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-rw-r--r--drivers/net/ethernet/brocade/bna/Kconfig17
-rw-r--r--drivers/net/ethernet/brocade/bna/Makefile11
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_cee.c304
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_cee.h63
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_cs.h140
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_defs.h246
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_defs_cna.h223
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h222
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_defs_status.h216
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_ioc.c2326
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_ioc.h315
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c512
-rw-r--r--drivers/net/ethernet/brocade/bna/bfi.h400
-rw-r--r--drivers/net/ethernet/brocade/bna/bfi_cna.h199
-rw-r--r--drivers/net/ethernet/brocade/bna/bfi_ll.h438
-rw-r--r--drivers/net/ethernet/brocade/bna/bfi_reg.h452
-rw-r--r--drivers/net/ethernet/brocade/bna/bna.h548
-rw-r--r--drivers/net/ethernet/brocade/bna/bna_ctrl.c3076
-rw-r--r--drivers/net/ethernet/brocade/bna/bna_hw.h1492
-rw-r--r--drivers/net/ethernet/brocade/bna/bna_txrx.c4185
-rw-r--r--drivers/net/ethernet/brocade/bna/bna_types.h1127
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad.c3266
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad.h341
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad_ethtool.c895
-rw-r--r--drivers/net/ethernet/brocade/bna/cna.h80
-rw-r--r--drivers/net/ethernet/brocade/bna/cna_fwimg.c64
26 files changed, 21158 insertions, 0 deletions
diff --git a/drivers/net/ethernet/brocade/bna/Kconfig b/drivers/net/ethernet/brocade/bna/Kconfig
new file mode 100644
index 000000000000..dc2eb526fbf7
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/Kconfig
@@ -0,0 +1,17 @@
1#
2# Brocade network device configuration
3#
4
5config BNA
6 tristate "Brocade 1010/1020 10Gb Ethernet Driver support"
7 depends on PCI
8 ---help---
9 This driver supports Brocade 1010/1020 10Gb CEE capable Ethernet
10 cards.
11 To compile this driver as a module, choose M here: the module
12 will be called bna.
13
14 For general information and support, go to the Brocade support
15 website at:
16
17 <http://support.brocade.com>
diff --git a/drivers/net/ethernet/brocade/bna/Makefile b/drivers/net/ethernet/brocade/bna/Makefile
new file mode 100644
index 000000000000..a5d604de7fea
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/Makefile
@@ -0,0 +1,11 @@
1#
2# Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
3# All rights reserved.
4#
5
6obj-$(CONFIG_BNA) += bna.o
7
8bna-objs := bnad.o bnad_ethtool.o bna_ctrl.o bna_txrx.o
9bna-objs += bfa_ioc.o bfa_ioc_ct.o bfa_cee.o cna_fwimg.o
10
11EXTRA_CFLAGS := -Idrivers/net/bna
diff --git a/drivers/net/ethernet/brocade/bna/bfa_cee.c b/drivers/net/ethernet/brocade/bna/bfa_cee.c
new file mode 100644
index 000000000000..39e5ab9fde59
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_cee.c
@@ -0,0 +1,304 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#include "bfa_defs_cna.h"
20#include "cna.h"
21#include "bfa_cee.h"
22#include "bfi_cna.h"
23#include "bfa_ioc.h"
24
25#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
26#define bfa_lpuid(__arg) bfa_ioc_portid(&(__arg)->ioc)
27
28static void bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg);
29static void bfa_cee_format_cee_cfg(void *buffer);
30
31static void
32bfa_cee_format_cee_cfg(void *buffer)
33{
34 struct bfa_cee_attr *cee_cfg = buffer;
35 bfa_cee_format_lldp_cfg(&cee_cfg->lldp_remote);
36}
37
38static void
39bfa_cee_stats_swap(struct bfa_cee_stats *stats)
40{
41 u32 *buffer = (u32 *)stats;
42 int i;
43
44 for (i = 0; i < (sizeof(struct bfa_cee_stats) / sizeof(u32));
45 i++) {
46 buffer[i] = ntohl(buffer[i]);
47 }
48}
49
50static void
51bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg)
52{
53 lldp_cfg->time_to_live =
54 ntohs(lldp_cfg->time_to_live);
55 lldp_cfg->enabled_system_cap =
56 ntohs(lldp_cfg->enabled_system_cap);
57}
58
59/**
60 * bfa_cee_attr_meminfo()
61 *
62 * @brief Returns the size of the DMA memory needed by CEE attributes
63 *
64 * @param[in] void
65 *
66 * @return Size of DMA region
67 */
68static u32
69bfa_cee_attr_meminfo(void)
70{
71 return roundup(sizeof(struct bfa_cee_attr), BFA_DMA_ALIGN_SZ);
72}
73/**
74 * bfa_cee_stats_meminfo()
75 *
76 * @brief Returns the size of the DMA memory needed by CEE stats
77 *
78 * @param[in] void
79 *
80 * @return Size of DMA region
81 */
82static u32
83bfa_cee_stats_meminfo(void)
84{
85 return roundup(sizeof(struct bfa_cee_stats), BFA_DMA_ALIGN_SZ);
86}
87
88/**
89 * bfa_cee_get_attr_isr()
90 *
91 * @brief CEE ISR for get-attributes responses from f/w
92 *
93 * @param[in] cee - Pointer to the CEE module
94 * status - Return status from the f/w
95 *
96 * @return void
97 */
98static void
99bfa_cee_get_attr_isr(struct bfa_cee *cee, enum bfa_status status)
100{
101 cee->get_attr_status = status;
102 if (status == BFA_STATUS_OK) {
103 memcpy(cee->attr, cee->attr_dma.kva,
104 sizeof(struct bfa_cee_attr));
105 bfa_cee_format_cee_cfg(cee->attr);
106 }
107 cee->get_attr_pending = false;
108 if (cee->cbfn.get_attr_cbfn)
109 cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status);
110}
111
112/**
113 * bfa_cee_get_attr_isr()
114 *
115 * @brief CEE ISR for get-stats responses from f/w
116 *
117 * @param[in] cee - Pointer to the CEE module
118 * status - Return status from the f/w
119 *
120 * @return void
121 */
122static void
123bfa_cee_get_stats_isr(struct bfa_cee *cee, enum bfa_status status)
124{
125 cee->get_stats_status = status;
126 if (status == BFA_STATUS_OK) {
127 memcpy(cee->stats, cee->stats_dma.kva,
128 sizeof(struct bfa_cee_stats));
129 bfa_cee_stats_swap(cee->stats);
130 }
131 cee->get_stats_pending = false;
132 if (cee->cbfn.get_stats_cbfn)
133 cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status);
134}
135
136/**
137 * bfa_cee_get_attr_isr()
138 *
139 * @brief CEE ISR for reset-stats responses from f/w
140 *
141 * @param[in] cee - Pointer to the CEE module
142 * status - Return status from the f/w
143 *
144 * @return void
145 */
146static void
147bfa_cee_reset_stats_isr(struct bfa_cee *cee, enum bfa_status status)
148{
149 cee->reset_stats_status = status;
150 cee->reset_stats_pending = false;
151 if (cee->cbfn.reset_stats_cbfn)
152 cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status);
153}
154/**
155 * bfa_nw_cee_meminfo()
156 *
157 * @brief Returns the size of the DMA memory needed by CEE module
158 *
159 * @param[in] void
160 *
161 * @return Size of DMA region
162 */
163u32
164bfa_nw_cee_meminfo(void)
165{
166 return bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo();
167}
168
169/**
170 * bfa_nw_cee_mem_claim()
171 *
172 * @brief Initialized CEE DMA Memory
173 *
174 * @param[in] cee CEE module pointer
175 * dma_kva Kernel Virtual Address of CEE DMA Memory
176 * dma_pa Physical Address of CEE DMA Memory
177 *
178 * @return void
179 */
180void
181bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva, u64 dma_pa)
182{
183 cee->attr_dma.kva = dma_kva;
184 cee->attr_dma.pa = dma_pa;
185 cee->stats_dma.kva = dma_kva + bfa_cee_attr_meminfo();
186 cee->stats_dma.pa = dma_pa + bfa_cee_attr_meminfo();
187 cee->attr = (struct bfa_cee_attr *) dma_kva;
188 cee->stats = (struct bfa_cee_stats *)
189 (dma_kva + bfa_cee_attr_meminfo());
190}
191
192/**
193 * bfa_cee_isrs()
194 *
195 * @brief Handles Mail-box interrupts for CEE module.
196 *
197 * @param[in] Pointer to the CEE module data structure.
198 *
199 * @return void
200 */
201
202static void
203bfa_cee_isr(void *cbarg, struct bfi_mbmsg *m)
204{
205 union bfi_cee_i2h_msg_u *msg;
206 struct bfi_cee_get_rsp *get_rsp;
207 struct bfa_cee *cee = (struct bfa_cee *) cbarg;
208 msg = (union bfi_cee_i2h_msg_u *) m;
209 get_rsp = (struct bfi_cee_get_rsp *) m;
210 switch (msg->mh.msg_id) {
211 case BFI_CEE_I2H_GET_CFG_RSP:
212 bfa_cee_get_attr_isr(cee, get_rsp->cmd_status);
213 break;
214 case BFI_CEE_I2H_GET_STATS_RSP:
215 bfa_cee_get_stats_isr(cee, get_rsp->cmd_status);
216 break;
217 case BFI_CEE_I2H_RESET_STATS_RSP:
218 bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status);
219 break;
220 default:
221 BUG_ON(1);
222 }
223}
224
225/**
226 * bfa_cee_notify()
227 *
228 * @brief CEE module heart-beat failure handler.
229 * @brief CEE module IOC event handler.
230 *
231 * @param[in] IOC event type
232 *
233 * @return void
234 */
235
236static void
237bfa_cee_notify(void *arg, enum bfa_ioc_event event)
238{
239 struct bfa_cee *cee;
240 cee = (struct bfa_cee *) arg;
241
242 switch (event) {
243 case BFA_IOC_E_DISABLED:
244 case BFA_IOC_E_FAILED:
245 if (cee->get_attr_pending == true) {
246 cee->get_attr_status = BFA_STATUS_FAILED;
247 cee->get_attr_pending = false;
248 if (cee->cbfn.get_attr_cbfn) {
249 cee->cbfn.get_attr_cbfn(
250 cee->cbfn.get_attr_cbarg,
251 BFA_STATUS_FAILED);
252 }
253 }
254 if (cee->get_stats_pending == true) {
255 cee->get_stats_status = BFA_STATUS_FAILED;
256 cee->get_stats_pending = false;
257 if (cee->cbfn.get_stats_cbfn) {
258 cee->cbfn.get_stats_cbfn(
259 cee->cbfn.get_stats_cbarg,
260 BFA_STATUS_FAILED);
261 }
262 }
263 if (cee->reset_stats_pending == true) {
264 cee->reset_stats_status = BFA_STATUS_FAILED;
265 cee->reset_stats_pending = false;
266 if (cee->cbfn.reset_stats_cbfn) {
267 cee->cbfn.reset_stats_cbfn(
268 cee->cbfn.reset_stats_cbarg,
269 BFA_STATUS_FAILED);
270 }
271 }
272 break;
273
274 default:
275 break;
276 }
277}
278
279/**
280 * bfa_nw_cee_attach()
281 *
282 * @brief CEE module-attach API
283 *
284 * @param[in] cee - Pointer to the CEE module data structure
285 * ioc - Pointer to the ioc module data structure
286 * dev - Pointer to the device driver module data structure
287 * The device driver specific mbox ISR functions have
288 * this pointer as one of the parameters.
289 *
290 * @return void
291 */
292void
293bfa_nw_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc,
294 void *dev)
295{
296 BUG_ON(!(cee != NULL));
297 cee->dev = dev;
298 cee->ioc = ioc;
299
300 bfa_nw_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee);
301 bfa_q_qe_init(&cee->ioc_notify);
302 bfa_ioc_notify_init(&cee->ioc_notify, bfa_cee_notify, cee);
303 bfa_nw_ioc_notify_register(cee->ioc, &cee->ioc_notify);
304}
diff --git a/drivers/net/ethernet/brocade/bna/bfa_cee.h b/drivers/net/ethernet/brocade/bna/bfa_cee.h
new file mode 100644
index 000000000000..58d54e98d595
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_cee.h
@@ -0,0 +1,63 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#ifndef __BFA_CEE_H__
20#define __BFA_CEE_H__
21
22#include "bfa_defs_cna.h"
23#include "bfa_ioc.h"
24
25typedef void (*bfa_cee_get_attr_cbfn_t) (void *dev, enum bfa_status status);
26typedef void (*bfa_cee_get_stats_cbfn_t) (void *dev, enum bfa_status status);
27typedef void (*bfa_cee_reset_stats_cbfn_t) (void *dev, enum bfa_status status);
28
29struct bfa_cee_cbfn {
30 bfa_cee_get_attr_cbfn_t get_attr_cbfn;
31 void *get_attr_cbarg;
32 bfa_cee_get_stats_cbfn_t get_stats_cbfn;
33 void *get_stats_cbarg;
34 bfa_cee_reset_stats_cbfn_t reset_stats_cbfn;
35 void *reset_stats_cbarg;
36};
37
38struct bfa_cee {
39 void *dev;
40 bool get_attr_pending;
41 bool get_stats_pending;
42 bool reset_stats_pending;
43 enum bfa_status get_attr_status;
44 enum bfa_status get_stats_status;
45 enum bfa_status reset_stats_status;
46 struct bfa_cee_cbfn cbfn;
47 struct bfa_ioc_notify ioc_notify;
48 struct bfa_cee_attr *attr;
49 struct bfa_cee_stats *stats;
50 struct bfa_dma attr_dma;
51 struct bfa_dma stats_dma;
52 struct bfa_ioc *ioc;
53 struct bfa_mbox_cmd get_cfg_mb;
54 struct bfa_mbox_cmd get_stats_mb;
55 struct bfa_mbox_cmd reset_stats_mb;
56};
57
58u32 bfa_nw_cee_meminfo(void);
59void bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva,
60 u64 dma_pa);
61void bfa_nw_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc, void *dev);
62
63#endif /* __BFA_CEE_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bfa_cs.h b/drivers/net/ethernet/brocade/bna/bfa_cs.h
new file mode 100644
index 000000000000..3da1a946ccdd
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_cs.h
@@ -0,0 +1,140 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2011 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19/**
20 * @file bfa_cs.h BFA common services
21 */
22
23#ifndef __BFA_CS_H__
24#define __BFA_CS_H__
25
26#include "cna.h"
27
28/**
29 * @ BFA state machine interfaces
30 */
31
32typedef void (*bfa_sm_t)(void *sm, int event);
33
34/**
35 * oc - object class eg. bfa_ioc
36 * st - state, eg. reset
37 * otype - object type, eg. struct bfa_ioc
38 * etype - object type, eg. enum ioc_event
39 */
40#define bfa_sm_state_decl(oc, st, otype, etype) \
41 static void oc ## _sm_ ## st(otype * fsm, etype event)
42
43#define bfa_sm_set_state(_sm, _state) ((_sm)->sm = (bfa_sm_t)(_state))
44#define bfa_sm_send_event(_sm, _event) ((_sm)->sm((_sm), (_event)))
45#define bfa_sm_get_state(_sm) ((_sm)->sm)
46#define bfa_sm_cmp_state(_sm, _state) ((_sm)->sm == (bfa_sm_t)(_state))
47
48/**
49 * For converting from state machine function to state encoding.
50 */
51struct bfa_sm_table {
52 bfa_sm_t sm; /*!< state machine function */
53 int state; /*!< state machine encoding */
54 char *name; /*!< state name for display */
55};
56#define BFA_SM(_sm) ((bfa_sm_t)(_sm))
57
58/**
59 * State machine with entry actions.
60 */
61typedef void (*bfa_fsm_t)(void *fsm, int event);
62
63/**
64 * oc - object class eg. bfa_ioc
65 * st - state, eg. reset
66 * otype - object type, eg. struct bfa_ioc
67 * etype - object type, eg. enum ioc_event
68 */
69#define bfa_fsm_state_decl(oc, st, otype, etype) \
70 static void oc ## _sm_ ## st(otype * fsm, etype event); \
71 static void oc ## _sm_ ## st ## _entry(otype * fsm)
72
73#define bfa_fsm_set_state(_fsm, _state) do { \
74 (_fsm)->fsm = (bfa_fsm_t)(_state); \
75 _state ## _entry(_fsm); \
76} while (0)
77
78#define bfa_fsm_send_event(_fsm, _event) ((_fsm)->fsm((_fsm), (_event)))
79#define bfa_fsm_get_state(_fsm) ((_fsm)->fsm)
80#define bfa_fsm_cmp_state(_fsm, _state) \
81 ((_fsm)->fsm == (bfa_fsm_t)(_state))
82
83static inline int
84bfa_sm_to_state(const struct bfa_sm_table *smt, bfa_sm_t sm)
85{
86 int i = 0;
87
88 while (smt[i].sm && smt[i].sm != sm)
89 i++;
90 return smt[i].state;
91}
92
93/**
94 * @ Generic wait counter.
95 */
96
97typedef void (*bfa_wc_resume_t) (void *cbarg);
98
99struct bfa_wc {
100 bfa_wc_resume_t wc_resume;
101 void *wc_cbarg;
102 int wc_count;
103};
104
105static inline void
106bfa_wc_up(struct bfa_wc *wc)
107{
108 wc->wc_count++;
109}
110
111static inline void
112bfa_wc_down(struct bfa_wc *wc)
113{
114 wc->wc_count--;
115 if (wc->wc_count == 0)
116 wc->wc_resume(wc->wc_cbarg);
117}
118
119/**
120 * Initialize a waiting counter.
121 */
122static inline void
123bfa_wc_init(struct bfa_wc *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg)
124{
125 wc->wc_resume = wc_resume;
126 wc->wc_cbarg = wc_cbarg;
127 wc->wc_count = 0;
128 bfa_wc_up(wc);
129}
130
131/**
132 * Wait for counter to reach zero
133 */
134static inline void
135bfa_wc_wait(struct bfa_wc *wc)
136{
137 bfa_wc_down(wc);
138}
139
140#endif /* __BFA_CS_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs.h b/drivers/net/ethernet/brocade/bna/bfa_defs.h
new file mode 100644
index 000000000000..b080b3698f48
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_defs.h
@@ -0,0 +1,246 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#ifndef __BFA_DEFS_H__
20#define __BFA_DEFS_H__
21
22#include "cna.h"
23#include "bfa_defs_status.h"
24#include "bfa_defs_mfg_comm.h"
25
26#define BFA_STRING_32 32
27#define BFA_VERSION_LEN 64
28
29/**
30 * ---------------------- adapter definitions ------------
31 */
32
33/**
34 * BFA adapter level attributes.
35 */
36enum {
37 BFA_ADAPTER_SERIAL_NUM_LEN = STRSZ(BFA_MFG_SERIALNUM_SIZE),
38 /*
39 *!< adapter serial num length
40 */
41 BFA_ADAPTER_MODEL_NAME_LEN = 16, /*!< model name length */
42 BFA_ADAPTER_MODEL_DESCR_LEN = 128, /*!< model description length */
43 BFA_ADAPTER_MFG_NAME_LEN = 8, /*!< manufacturer name length */
44 BFA_ADAPTER_SYM_NAME_LEN = 64, /*!< adapter symbolic name length */
45 BFA_ADAPTER_OS_TYPE_LEN = 64, /*!< adapter os type length */
46};
47
48struct bfa_adapter_attr {
49 char manufacturer[BFA_ADAPTER_MFG_NAME_LEN];
50 char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
51 u32 card_type;
52 char model[BFA_ADAPTER_MODEL_NAME_LEN];
53 char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN];
54 u64 pwwn;
55 char node_symname[FC_SYMNAME_MAX];
56 char hw_ver[BFA_VERSION_LEN];
57 char fw_ver[BFA_VERSION_LEN];
58 char optrom_ver[BFA_VERSION_LEN];
59 char os_type[BFA_ADAPTER_OS_TYPE_LEN];
60 struct bfa_mfg_vpd vpd;
61 struct mac mac;
62
63 u8 nports;
64 u8 max_speed;
65 u8 prototype;
66 char asic_rev;
67
68 u8 pcie_gen;
69 u8 pcie_lanes_orig;
70 u8 pcie_lanes;
71 u8 cna_capable;
72
73 u8 is_mezz;
74 u8 trunk_capable;
75};
76
77/**
78 * ---------------------- IOC definitions ------------
79 */
80
81enum {
82 BFA_IOC_DRIVER_LEN = 16,
83 BFA_IOC_CHIP_REV_LEN = 8,
84};
85
86/**
87 * Driver and firmware versions.
88 */
89struct bfa_ioc_driver_attr {
90 char driver[BFA_IOC_DRIVER_LEN]; /*!< driver name */
91 char driver_ver[BFA_VERSION_LEN]; /*!< driver version */
92 char fw_ver[BFA_VERSION_LEN]; /*!< firmware version */
93 char bios_ver[BFA_VERSION_LEN]; /*!< bios version */
94 char efi_ver[BFA_VERSION_LEN]; /*!< EFI version */
95 char ob_ver[BFA_VERSION_LEN]; /*!< openboot version */
96};
97
98/**
99 * IOC PCI device attributes
100 */
101struct bfa_ioc_pci_attr {
102 u16 vendor_id; /*!< PCI vendor ID */
103 u16 device_id; /*!< PCI device ID */
104 u16 ssid; /*!< subsystem ID */
105 u16 ssvid; /*!< subsystem vendor ID */
106 u32 pcifn; /*!< PCI device function */
107 u32 rsvd; /* padding */
108 char chip_rev[BFA_IOC_CHIP_REV_LEN]; /*!< chip revision */
109};
110
111/**
112 * IOC states
113 */
114enum bfa_ioc_state {
115 BFA_IOC_UNINIT = 1, /*!< IOC is in uninit state */
116 BFA_IOC_RESET = 2, /*!< IOC is in reset state */
117 BFA_IOC_SEMWAIT = 3, /*!< Waiting for IOC h/w semaphore */
118 BFA_IOC_HWINIT = 4, /*!< IOC h/w is being initialized */
119 BFA_IOC_GETATTR = 5, /*!< IOC is being configured */
120 BFA_IOC_OPERATIONAL = 6, /*!< IOC is operational */
121 BFA_IOC_INITFAIL = 7, /*!< IOC hardware failure */
122 BFA_IOC_FAIL = 8, /*!< IOC heart-beat failure */
123 BFA_IOC_DISABLING = 9, /*!< IOC is being disabled */
124 BFA_IOC_DISABLED = 10, /*!< IOC is disabled */
125 BFA_IOC_FWMISMATCH = 11, /*!< IOC f/w different from drivers */
126 BFA_IOC_ENABLING = 12, /*!< IOC is being enabled */
127};
128
129/**
130 * IOC firmware stats
131 */
132struct bfa_fw_ioc_stats {
133 u32 enable_reqs;
134 u32 disable_reqs;
135 u32 get_attr_reqs;
136 u32 dbg_sync;
137 u32 dbg_dump;
138 u32 unknown_reqs;
139};
140
141/**
142 * IOC driver stats
143 */
144struct bfa_ioc_drv_stats {
145 u32 ioc_isrs;
146 u32 ioc_enables;
147 u32 ioc_disables;
148 u32 ioc_hbfails;
149 u32 ioc_boots;
150 u32 stats_tmos;
151 u32 hb_count;
152 u32 disable_reqs;
153 u32 enable_reqs;
154 u32 disable_replies;
155 u32 enable_replies;
156 u32 rsvd;
157};
158
159/**
160 * IOC statistics
161 */
162struct bfa_ioc_stats {
163 struct bfa_ioc_drv_stats drv_stats; /*!< driver IOC stats */
164 struct bfa_fw_ioc_stats fw_stats; /*!< firmware IOC stats */
165};
166
167enum bfa_ioc_type {
168 BFA_IOC_TYPE_FC = 1,
169 BFA_IOC_TYPE_FCoE = 2,
170 BFA_IOC_TYPE_LL = 3,
171};
172
173/**
174 * IOC attributes returned in queries
175 */
176struct bfa_ioc_attr {
177 enum bfa_ioc_type ioc_type;
178 enum bfa_ioc_state state; /*!< IOC state */
179 struct bfa_adapter_attr adapter_attr; /*!< HBA attributes */
180 struct bfa_ioc_driver_attr driver_attr; /*!< driver attr */
181 struct bfa_ioc_pci_attr pci_attr;
182 u8 port_id; /*!< port number */
183 u8 rsvd[7]; /*!< 64bit align */
184};
185
186/**
187 * ---------------------- mfg definitions ------------
188 */
189
190/**
191 * Checksum size
192 */
193#define BFA_MFG_CHKSUM_SIZE 16
194
195#define BFA_MFG_PARTNUM_SIZE 14
196#define BFA_MFG_SUPPLIER_ID_SIZE 10
197#define BFA_MFG_SUPPLIER_PARTNUM_SIZE 20
198#define BFA_MFG_SUPPLIER_SERIALNUM_SIZE 20
199#define BFA_MFG_SUPPLIER_REVISION_SIZE 4
200
201#pragma pack(1)
202
203/**
204 * @brief BFA adapter manufacturing block definition.
205 *
206 * All numerical fields are in big-endian format.
207 */
208struct bfa_mfg_block {
209 u8 version; /*!< manufacturing block version */
210 u8 mfg_sig[3]; /*!< characters 'M', 'F', 'G' */
211 u16 mfgsize; /*!< mfg block size */
212 u16 u16_chksum; /*!< old u16 checksum */
213 char brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)];
214 char brcd_partnum[STRSZ(BFA_MFG_PARTNUM_SIZE)];
215 u8 mfg_day; /*!< manufacturing day */
216 u8 mfg_month; /*!< manufacturing month */
217 u16 mfg_year; /*!< manufacturing year */
218 u64 mfg_wwn; /*!< wwn base for this adapter */
219 u8 num_wwn; /*!< number of wwns assigned */
220 u8 mfg_speeds; /*!< speeds allowed for this adapter */
221 u8 rsv[2];
222 char supplier_id[STRSZ(BFA_MFG_SUPPLIER_ID_SIZE)];
223 char supplier_partnum[STRSZ(BFA_MFG_SUPPLIER_PARTNUM_SIZE)];
224 char
225 supplier_serialnum[STRSZ(BFA_MFG_SUPPLIER_SERIALNUM_SIZE)];
226 char
227 supplier_revision[STRSZ(BFA_MFG_SUPPLIER_REVISION_SIZE)];
228 mac_t mfg_mac; /*!< mac address */
229 u8 num_mac; /*!< number of mac addresses */
230 u8 rsv2;
231 u32 mfg_type; /*!< card type */
232 u8 rsv3[108];
233 u8 md5_chksum[BFA_MFG_CHKSUM_SIZE]; /*!< md5 checksum */
234};
235
236#pragma pack()
237
238/**
239 * ---------------------- pci definitions ------------
240 */
241
242#define bfa_asic_id_ct(devid) \
243 ((devid) == PCI_DEVICE_ID_BROCADE_CT || \
244 (devid) == PCI_DEVICE_ID_BROCADE_CT_FC)
245
246#endif /* __BFA_DEFS_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h b/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h
new file mode 100644
index 000000000000..7e0a9187bdd5
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h
@@ -0,0 +1,223 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#ifndef __BFA_DEFS_CNA_H__
20#define __BFA_DEFS_CNA_H__
21
22#include "bfa_defs.h"
23
24/**
25 * @brief
26 * FC physical port statistics.
27 */
28struct bfa_port_fc_stats {
29 u64 secs_reset; /*!< Seconds since stats is reset */
30 u64 tx_frames; /*!< Tx frames */
31 u64 tx_words; /*!< Tx words */
32 u64 tx_lip; /*!< Tx LIP */
33 u64 tx_nos; /*!< Tx NOS */
34 u64 tx_ols; /*!< Tx OLS */
35 u64 tx_lr; /*!< Tx LR */
36 u64 tx_lrr; /*!< Tx LRR */
37 u64 rx_frames; /*!< Rx frames */
38 u64 rx_words; /*!< Rx words */
39 u64 lip_count; /*!< Rx LIP */
40 u64 nos_count; /*!< Rx NOS */
41 u64 ols_count; /*!< Rx OLS */
42 u64 lr_count; /*!< Rx LR */
43 u64 lrr_count; /*!< Rx LRR */
44 u64 invalid_crcs; /*!< Rx CRC err frames */
45 u64 invalid_crc_gd_eof; /*!< Rx CRC err good EOF frames */
46 u64 undersized_frm; /*!< Rx undersized frames */
47 u64 oversized_frm; /*!< Rx oversized frames */
48 u64 bad_eof_frm; /*!< Rx frames with bad EOF */
49 u64 error_frames; /*!< Errored frames */
50 u64 dropped_frames; /*!< Dropped frames */
51 u64 link_failures; /*!< Link Failure (LF) count */
52 u64 loss_of_syncs; /*!< Loss of sync count */
53 u64 loss_of_signals; /*!< Loss of signal count */
54 u64 primseq_errs; /*!< Primitive sequence protocol err. */
55 u64 bad_os_count; /*!< Invalid ordered sets */
56 u64 err_enc_out; /*!< Encoding err nonframe_8b10b */
57 u64 err_enc; /*!< Encoding err frame_8b10b */
58};
59
60/**
61 * @brief
62 * Eth Physical Port statistics.
63 */
64struct bfa_port_eth_stats {
65 u64 secs_reset; /*!< Seconds since stats is reset */
66 u64 frame_64; /*!< Frames 64 bytes */
67 u64 frame_65_127; /*!< Frames 65-127 bytes */
68 u64 frame_128_255; /*!< Frames 128-255 bytes */
69 u64 frame_256_511; /*!< Frames 256-511 bytes */
70 u64 frame_512_1023; /*!< Frames 512-1023 bytes */
71 u64 frame_1024_1518; /*!< Frames 1024-1518 bytes */
72 u64 frame_1519_1522; /*!< Frames 1519-1522 bytes */
73 u64 tx_bytes; /*!< Tx bytes */
74 u64 tx_packets; /*!< Tx packets */
75 u64 tx_mcast_packets; /*!< Tx multicast packets */
76 u64 tx_bcast_packets; /*!< Tx broadcast packets */
77 u64 tx_control_frame; /*!< Tx control frame */
78 u64 tx_drop; /*!< Tx drops */
79 u64 tx_jabber; /*!< Tx jabber */
80 u64 tx_fcs_error; /*!< Tx FCS errors */
81 u64 tx_fragments; /*!< Tx fragments */
82 u64 rx_bytes; /*!< Rx bytes */
83 u64 rx_packets; /*!< Rx packets */
84 u64 rx_mcast_packets; /*!< Rx multicast packets */
85 u64 rx_bcast_packets; /*!< Rx broadcast packets */
86 u64 rx_control_frames; /*!< Rx control frames */
87 u64 rx_unknown_opcode; /*!< Rx unknown opcode */
88 u64 rx_drop; /*!< Rx drops */
89 u64 rx_jabber; /*!< Rx jabber */
90 u64 rx_fcs_error; /*!< Rx FCS errors */
91 u64 rx_alignment_error; /*!< Rx alignment errors */
92 u64 rx_frame_length_error; /*!< Rx frame len errors */
93 u64 rx_code_error; /*!< Rx code errors */
94 u64 rx_fragments; /*!< Rx fragments */
95 u64 rx_pause; /*!< Rx pause */
96 u64 rx_zero_pause; /*!< Rx zero pause */
97 u64 tx_pause; /*!< Tx pause */
98 u64 tx_zero_pause; /*!< Tx zero pause */
99 u64 rx_fcoe_pause; /*!< Rx FCoE pause */
100 u64 rx_fcoe_zero_pause; /*!< Rx FCoE zero pause */
101 u64 tx_fcoe_pause; /*!< Tx FCoE pause */
102 u64 tx_fcoe_zero_pause; /*!< Tx FCoE zero pause */
103};
104
105/**
106 * @brief
107 * Port statistics.
108 */
109union bfa_port_stats_u {
110 struct bfa_port_fc_stats fc;
111 struct bfa_port_eth_stats eth;
112};
113
114#pragma pack(1)
115
116#define BFA_CEE_LLDP_MAX_STRING_LEN (128)
117#define BFA_CEE_DCBX_MAX_PRIORITY (8)
118#define BFA_CEE_DCBX_MAX_PGID (8)
119
120#define BFA_CEE_LLDP_SYS_CAP_OTHER 0x0001
121#define BFA_CEE_LLDP_SYS_CAP_REPEATER 0x0002
122#define BFA_CEE_LLDP_SYS_CAP_MAC_BRIDGE 0x0004
123#define BFA_CEE_LLDP_SYS_CAP_WLAN_AP 0x0008
124#define BFA_CEE_LLDP_SYS_CAP_ROUTER 0x0010
125#define BFA_CEE_LLDP_SYS_CAP_TELEPHONE 0x0020
126#define BFA_CEE_LLDP_SYS_CAP_DOCSIS_CD 0x0040
127#define BFA_CEE_LLDP_SYS_CAP_STATION 0x0080
128#define BFA_CEE_LLDP_SYS_CAP_CVLAN 0x0100
129#define BFA_CEE_LLDP_SYS_CAP_SVLAN 0x0200
130#define BFA_CEE_LLDP_SYS_CAP_TPMR 0x0400
131
132/* LLDP string type */
133struct bfa_cee_lldp_str {
134 u8 sub_type;
135 u8 len;
136 u8 rsvd[2];
137 u8 value[BFA_CEE_LLDP_MAX_STRING_LEN];
138};
139
140/* LLDP paramters */
141struct bfa_cee_lldp_cfg {
142 struct bfa_cee_lldp_str chassis_id;
143 struct bfa_cee_lldp_str port_id;
144 struct bfa_cee_lldp_str port_desc;
145 struct bfa_cee_lldp_str sys_name;
146 struct bfa_cee_lldp_str sys_desc;
147 struct bfa_cee_lldp_str mgmt_addr;
148 u16 time_to_live;
149 u16 enabled_system_cap;
150};
151
152enum bfa_cee_dcbx_version {
153 DCBX_PROTOCOL_PRECEE = 1,
154 DCBX_PROTOCOL_CEE = 2,
155};
156
157enum bfa_cee_lls {
158 /* LLS is down because the TLV not sent by the peer */
159 CEE_LLS_DOWN_NO_TLV = 0,
160 /* LLS is down as advertised by the peer */
161 CEE_LLS_DOWN = 1,
162 CEE_LLS_UP = 2,
163};
164
165/* CEE/DCBX parameters */
166struct bfa_cee_dcbx_cfg {
167 u8 pgid[BFA_CEE_DCBX_MAX_PRIORITY];
168 u8 pg_percentage[BFA_CEE_DCBX_MAX_PGID];
169 u8 pfc_primap; /* bitmap of priorties with PFC enabled */
170 u8 fcoe_primap; /* bitmap of priorities used for FcoE traffic */
171 u8 iscsi_primap; /* bitmap of priorities used for iSCSI traffic */
172 u8 dcbx_version; /* operating version:CEE or preCEE */
173 u8 lls_fcoe; /* FCoE Logical Link Status */
174 u8 lls_lan; /* LAN Logical Link Status */
175 u8 rsvd[2];
176};
177
178/* CEE status */
179/* Making this to tri-state for the benefit of port list command */
180enum bfa_cee_status {
181 CEE_UP = 0,
182 CEE_PHY_UP = 1,
183 CEE_LOOPBACK = 2,
184 CEE_PHY_DOWN = 3,
185};
186
187/* CEE Query */
188struct bfa_cee_attr {
189 u8 cee_status;
190 u8 error_reason;
191 struct bfa_cee_lldp_cfg lldp_remote;
192 struct bfa_cee_dcbx_cfg dcbx_remote;
193 mac_t src_mac;
194 u8 link_speed;
195 u8 nw_priority;
196 u8 filler[2];
197};
198
199/* LLDP/DCBX/CEE Statistics */
200struct bfa_cee_stats {
201 u32 lldp_tx_frames; /*!< LLDP Tx Frames */
202 u32 lldp_rx_frames; /*!< LLDP Rx Frames */
203 u32 lldp_rx_frames_invalid; /*!< LLDP Rx Frames invalid */
204 u32 lldp_rx_frames_new; /*!< LLDP Rx Frames new */
205 u32 lldp_tlvs_unrecognized; /*!< LLDP Rx unrecognized TLVs */
206 u32 lldp_rx_shutdown_tlvs; /*!< LLDP Rx shutdown TLVs */
207 u32 lldp_info_aged_out; /*!< LLDP remote info aged out */
208 u32 dcbx_phylink_ups; /*!< DCBX phy link ups */
209 u32 dcbx_phylink_downs; /*!< DCBX phy link downs */
210 u32 dcbx_rx_tlvs; /*!< DCBX Rx TLVs */
211 u32 dcbx_rx_tlvs_invalid; /*!< DCBX Rx TLVs invalid */
212 u32 dcbx_control_tlv_error; /*!< DCBX control TLV errors */
213 u32 dcbx_feature_tlv_error; /*!< DCBX feature TLV errors */
214 u32 dcbx_cee_cfg_new; /*!< DCBX new CEE cfg rcvd */
215 u32 cee_status_down; /*!< CEE status down */
216 u32 cee_status_up; /*!< CEE status up */
217 u32 cee_hw_cfg_changed; /*!< CEE hw cfg changed */
218 u32 cee_rx_invalid_cfg; /*!< CEE invalid cfg */
219};
220
221#pragma pack()
222
223#endif /* __BFA_DEFS_CNA_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h b/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h
new file mode 100644
index 000000000000..885ef3afdd4e
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h
@@ -0,0 +1,222 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#ifndef __BFA_DEFS_MFG_COMM_H__
19#define __BFA_DEFS_MFG_COMM_H__
20
21#include "cna.h"
22
23/**
24 * Manufacturing block version
25 */
26#define BFA_MFG_VERSION 2
27#define BFA_MFG_VERSION_UNINIT 0xFF
28
29/**
30 * Manufacturing block encrypted version
31 */
32#define BFA_MFG_ENC_VER 2
33
34/**
35 * Manufacturing block version 1 length
36 */
37#define BFA_MFG_VER1_LEN 128
38
39/**
40 * Manufacturing block header length
41 */
42#define BFA_MFG_HDR_LEN 4
43
44#define BFA_MFG_SERIALNUM_SIZE 11
45#define STRSZ(_n) (((_n) + 4) & ~3)
46
47/**
48 * Manufacturing card type
49 */
50enum {
51 BFA_MFG_TYPE_CB_MAX = 825, /*!< Crossbow card type max */
52 BFA_MFG_TYPE_FC8P2 = 825, /*!< 8G 2port FC card */
53 BFA_MFG_TYPE_FC8P1 = 815, /*!< 8G 1port FC card */
54 BFA_MFG_TYPE_FC4P2 = 425, /*!< 4G 2port FC card */
55 BFA_MFG_TYPE_FC4P1 = 415, /*!< 4G 1port FC card */
56 BFA_MFG_TYPE_CNA10P2 = 1020, /*!< 10G 2port CNA card */
57 BFA_MFG_TYPE_CNA10P1 = 1010, /*!< 10G 1port CNA card */
58 BFA_MFG_TYPE_JAYHAWK = 804, /*!< Jayhawk mezz card */
59 BFA_MFG_TYPE_WANCHESE = 1007, /*!< Wanchese mezz card */
60 BFA_MFG_TYPE_ASTRA = 807, /*!< Astra mezz card */
61 BFA_MFG_TYPE_LIGHTNING_P0 = 902, /*!< Lightning mezz card - old */
62 BFA_MFG_TYPE_LIGHTNING = 1741, /*!< Lightning mezz card */
63 BFA_MFG_TYPE_INVALID = 0, /*!< Invalid card type */
64};
65
66#pragma pack(1)
67
68/**
69 * Check if 1-port card
70 */
71#define bfa_mfg_is_1port(type) (( \
72 (type) == BFA_MFG_TYPE_FC8P1 || \
73 (type) == BFA_MFG_TYPE_FC4P1 || \
74 (type) == BFA_MFG_TYPE_CNA10P1))
75
76/**
77 * Check if Mezz card
78 */
79#define bfa_mfg_is_mezz(type) (( \
80 (type) == BFA_MFG_TYPE_JAYHAWK || \
81 (type) == BFA_MFG_TYPE_WANCHESE || \
82 (type) == BFA_MFG_TYPE_ASTRA || \
83 (type) == BFA_MFG_TYPE_LIGHTNING_P0 || \
84 (type) == BFA_MFG_TYPE_LIGHTNING))
85
86/**
87 * Check if card type valid
88 */
89#define bfa_mfg_is_card_type_valid(type) (( \
90 (type) == BFA_MFG_TYPE_FC8P2 || \
91 (type) == BFA_MFG_TYPE_FC8P1 || \
92 (type) == BFA_MFG_TYPE_FC4P2 || \
93 (type) == BFA_MFG_TYPE_FC4P1 || \
94 (type) == BFA_MFG_TYPE_CNA10P2 || \
95 (type) == BFA_MFG_TYPE_CNA10P1 || \
96 bfa_mfg_is_mezz(type)))
97
98#define bfa_mfg_adapter_prop_init_flash(card_type, prop) \
99do { \
100 switch ((card_type)) { \
101 case BFA_MFG_TYPE_FC8P2: \
102 case BFA_MFG_TYPE_JAYHAWK: \
103 case BFA_MFG_TYPE_ASTRA: \
104 (prop) = BFI_ADAPTER_SETP(NPORTS, 2) | \
105 BFI_ADAPTER_SETP(SPEED, 8); \
106 break; \
107 case BFA_MFG_TYPE_FC8P1: \
108 (prop) = BFI_ADAPTER_SETP(NPORTS, 1) | \
109 BFI_ADAPTER_SETP(SPEED, 8); \
110 break; \
111 case BFA_MFG_TYPE_FC4P2: \
112 (prop) = BFI_ADAPTER_SETP(NPORTS, 2) | \
113 BFI_ADAPTER_SETP(SPEED, 4); \
114 break; \
115 case BFA_MFG_TYPE_FC4P1: \
116 (prop) = BFI_ADAPTER_SETP(NPORTS, 1) | \
117 BFI_ADAPTER_SETP(SPEED, 4); \
118 break; \
119 case BFA_MFG_TYPE_CNA10P2: \
120 case BFA_MFG_TYPE_WANCHESE: \
121 case BFA_MFG_TYPE_LIGHTNING_P0: \
122 case BFA_MFG_TYPE_LIGHTNING: \
123 (prop) = BFI_ADAPTER_SETP(NPORTS, 2); \
124 (prop) |= BFI_ADAPTER_SETP(SPEED, 10); \
125 break; \
126 case BFA_MFG_TYPE_CNA10P1: \
127 (prop) = BFI_ADAPTER_SETP(NPORTS, 1); \
128 (prop) |= BFI_ADAPTER_SETP(SPEED, 10); \
129 break; \
130 default: \
131 (prop) = BFI_ADAPTER_UNSUPP; \
132 } \
133} while (0)
134
135enum {
136 CB_GPIO_TTV = (1), /*!< TTV debug capable cards */
137 CB_GPIO_FC8P2 = (2), /*!< 8G 2port FC card */
138 CB_GPIO_FC8P1 = (3), /*!< 8G 1port FC card */
139 CB_GPIO_FC4P2 = (4), /*!< 4G 2port FC card */
140 CB_GPIO_FC4P1 = (5), /*!< 4G 1port FC card */
141 CB_GPIO_DFLY = (6), /*!< 8G 2port FC mezzanine card */
142 CB_GPIO_PROTO = (1 << 7) /*!< 8G 2port FC prototypes */
143};
144
145#define bfa_mfg_adapter_prop_init_gpio(gpio, card_type, prop) \
146do { \
147 if ((gpio) & CB_GPIO_PROTO) { \
148 (prop) |= BFI_ADAPTER_PROTO; \
149 (gpio) &= ~CB_GPIO_PROTO; \
150 } \
151 switch ((gpio)) { \
152 case CB_GPIO_TTV: \
153 (prop) |= BFI_ADAPTER_TTV; \
154 case CB_GPIO_DFLY: \
155 case CB_GPIO_FC8P2: \
156 (prop) |= BFI_ADAPTER_SETP(NPORTS, 2); \
157 (prop) |= BFI_ADAPTER_SETP(SPEED, 8); \
158 (card_type) = BFA_MFG_TYPE_FC8P2; \
159 break; \
160 case CB_GPIO_FC8P1: \
161 (prop) |= BFI_ADAPTER_SETP(NPORTS, 1); \
162 (prop) |= BFI_ADAPTER_SETP(SPEED, 8); \
163 (card_type) = BFA_MFG_TYPE_FC8P1; \
164 break; \
165 case CB_GPIO_FC4P2: \
166 (prop) |= BFI_ADAPTER_SETP(NPORTS, 2); \
167 (prop) |= BFI_ADAPTER_SETP(SPEED, 4); \
168 (card_type) = BFA_MFG_TYPE_FC4P2; \
169 break; \
170 case CB_GPIO_FC4P1: \
171 (prop) |= BFI_ADAPTER_SETP(NPORTS, 1); \
172 (prop) |= BFI_ADAPTER_SETP(SPEED, 4); \
173 (card_type) = BFA_MFG_TYPE_FC4P1; \
174 break; \
175 default: \
176 (prop) |= BFI_ADAPTER_UNSUPP; \
177 (card_type) = BFA_MFG_TYPE_INVALID; \
178 } \
179} while (0)
180
181/**
182 * VPD data length
183 */
184#define BFA_MFG_VPD_LEN 512
185#define BFA_MFG_VPD_LEN_INVALID 0
186
187#define BFA_MFG_VPD_PCI_HDR_OFF 137
188#define BFA_MFG_VPD_PCI_VER_MASK 0x07 /*!< version mask 3 bits */
189#define BFA_MFG_VPD_PCI_VDR_MASK 0xf8 /*!< vendor mask 5 bits */
190
191/**
192 * VPD vendor tag
193 */
194enum {
195 BFA_MFG_VPD_UNKNOWN = 0, /*!< vendor unknown */
196 BFA_MFG_VPD_IBM = 1, /*!< vendor IBM */
197 BFA_MFG_VPD_HP = 2, /*!< vendor HP */
198 BFA_MFG_VPD_DELL = 3, /*!< vendor DELL */
199 BFA_MFG_VPD_PCI_IBM = 0x08, /*!< PCI VPD IBM */
200 BFA_MFG_VPD_PCI_HP = 0x10, /*!< PCI VPD HP */
201 BFA_MFG_VPD_PCI_DELL = 0x20, /*!< PCI VPD DELL */
202 BFA_MFG_VPD_PCI_BRCD = 0xf8, /*!< PCI VPD Brocade */
203};
204
205/**
206 * @brief BFA adapter flash vpd data definition.
207 *
208 * All numerical fields are in big-endian format.
209 */
210struct bfa_mfg_vpd {
211 u8 version; /*!< vpd data version */
212 u8 vpd_sig[3]; /*!< characters 'V', 'P', 'D' */
213 u8 chksum; /*!< u8 checksum */
214 u8 vendor; /*!< vendor */
215 u8 len; /*!< vpd data length excluding header */
216 u8 rsv;
217 u8 data[BFA_MFG_VPD_LEN]; /*!< vpd data */
218};
219
220#pragma pack()
221
222#endif /* __BFA_DEFS_MFG_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_status.h b/drivers/net/ethernet/brocade/bna/bfa_defs_status.h
new file mode 100644
index 000000000000..7c5fe6c2e80e
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_defs_status.h
@@ -0,0 +1,216 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#ifndef __BFA_DEFS_STATUS_H__
19#define __BFA_DEFS_STATUS_H__
20
21/**
22 * API status return values
23 *
24 * NOTE: The error msgs are auto generated from the comments. Only singe line
25 * comments are supported
26 */
27enum bfa_status {
28 BFA_STATUS_OK = 0,
29 BFA_STATUS_FAILED = 1,
30 BFA_STATUS_EINVAL = 2,
31 BFA_STATUS_ENOMEM = 3,
32 BFA_STATUS_ENOSYS = 4,
33 BFA_STATUS_ETIMER = 5,
34 BFA_STATUS_EPROTOCOL = 6,
35 BFA_STATUS_ENOFCPORTS = 7,
36 BFA_STATUS_NOFLASH = 8,
37 BFA_STATUS_BADFLASH = 9,
38 BFA_STATUS_SFP_UNSUPP = 10,
39 BFA_STATUS_UNKNOWN_VFID = 11,
40 BFA_STATUS_DATACORRUPTED = 12,
41 BFA_STATUS_DEVBUSY = 13,
42 BFA_STATUS_ABORTED = 14,
43 BFA_STATUS_NODEV = 15,
44 BFA_STATUS_HDMA_FAILED = 16,
45 BFA_STATUS_FLASH_BAD_LEN = 17,
46 BFA_STATUS_UNKNOWN_LWWN = 18,
47 BFA_STATUS_UNKNOWN_RWWN = 19,
48 BFA_STATUS_FCPT_LS_RJT = 20,
49 BFA_STATUS_VPORT_EXISTS = 21,
50 BFA_STATUS_VPORT_MAX = 22,
51 BFA_STATUS_UNSUPP_SPEED = 23,
52 BFA_STATUS_INVLD_DFSZ = 24,
53 BFA_STATUS_CNFG_FAILED = 25,
54 BFA_STATUS_CMD_NOTSUPP = 26,
55 BFA_STATUS_NO_ADAPTER = 27,
56 BFA_STATUS_LINKDOWN = 28,
57 BFA_STATUS_FABRIC_RJT = 29,
58 BFA_STATUS_UNKNOWN_VWWN = 30,
59 BFA_STATUS_NSLOGIN_FAILED = 31,
60 BFA_STATUS_NO_RPORTS = 32,
61 BFA_STATUS_NSQUERY_FAILED = 33,
62 BFA_STATUS_PORT_OFFLINE = 34,
63 BFA_STATUS_RPORT_OFFLINE = 35,
64 BFA_STATUS_TGTOPEN_FAILED = 36,
65 BFA_STATUS_BAD_LUNS = 37,
66 BFA_STATUS_IO_FAILURE = 38,
67 BFA_STATUS_NO_FABRIC = 39,
68 BFA_STATUS_EBADF = 40,
69 BFA_STATUS_EINTR = 41,
70 BFA_STATUS_EIO = 42,
71 BFA_STATUS_ENOTTY = 43,
72 BFA_STATUS_ENXIO = 44,
73 BFA_STATUS_EFOPEN = 45,
74 BFA_STATUS_VPORT_WWN_BP = 46,
75 BFA_STATUS_PORT_NOT_DISABLED = 47,
76 BFA_STATUS_BADFRMHDR = 48,
77 BFA_STATUS_BADFRMSZ = 49,
78 BFA_STATUS_MISSINGFRM = 50,
79 BFA_STATUS_LINKTIMEOUT = 51,
80 BFA_STATUS_NO_FCPIM_NEXUS = 52,
81 BFA_STATUS_CHECKSUM_FAIL = 53,
82 BFA_STATUS_GZME_FAILED = 54,
83 BFA_STATUS_SCSISTART_REQD = 55,
84 BFA_STATUS_IOC_FAILURE = 56,
85 BFA_STATUS_INVALID_WWN = 57,
86 BFA_STATUS_MISMATCH = 58,
87 BFA_STATUS_IOC_ENABLED = 59,
88 BFA_STATUS_ADAPTER_ENABLED = 60,
89 BFA_STATUS_IOC_NON_OP = 61,
90 BFA_STATUS_ADDR_MAP_FAILURE = 62,
91 BFA_STATUS_SAME_NAME = 63,
92 BFA_STATUS_PENDING = 64,
93 BFA_STATUS_8G_SPD = 65,
94 BFA_STATUS_4G_SPD = 66,
95 BFA_STATUS_AD_IS_ENABLE = 67,
96 BFA_STATUS_EINVAL_TOV = 68,
97 BFA_STATUS_EINVAL_QDEPTH = 69,
98 BFA_STATUS_VERSION_FAIL = 70,
99 BFA_STATUS_DIAG_BUSY = 71,
100 BFA_STATUS_BEACON_ON = 72,
101 BFA_STATUS_BEACON_OFF = 73,
102 BFA_STATUS_LBEACON_ON = 74,
103 BFA_STATUS_LBEACON_OFF = 75,
104 BFA_STATUS_PORT_NOT_INITED = 76,
105 BFA_STATUS_RPSC_ENABLED = 77,
106 BFA_STATUS_ENOFSAVE = 78,
107 BFA_STATUS_BAD_FILE = 79,
108 BFA_STATUS_RLIM_EN = 80,
109 BFA_STATUS_RLIM_DIS = 81,
110 BFA_STATUS_IOC_DISABLED = 82,
111 BFA_STATUS_ADAPTER_DISABLED = 83,
112 BFA_STATUS_BIOS_DISABLED = 84,
113 BFA_STATUS_AUTH_ENABLED = 85,
114 BFA_STATUS_AUTH_DISABLED = 86,
115 BFA_STATUS_ERROR_TRL_ENABLED = 87,
116 BFA_STATUS_ERROR_QOS_ENABLED = 88,
117 BFA_STATUS_NO_SFP_DEV = 89,
118 BFA_STATUS_MEMTEST_FAILED = 90,
119 BFA_STATUS_INVALID_DEVID = 91,
120 BFA_STATUS_QOS_ENABLED = 92,
121 BFA_STATUS_QOS_DISABLED = 93,
122 BFA_STATUS_INCORRECT_DRV_CONFIG = 94,
123 BFA_STATUS_REG_FAIL = 95,
124 BFA_STATUS_IM_INV_CODE = 96,
125 BFA_STATUS_IM_INV_VLAN = 97,
126 BFA_STATUS_IM_INV_ADAPT_NAME = 98,
127 BFA_STATUS_IM_LOW_RESOURCES = 99,
128 BFA_STATUS_IM_VLANID_IS_PVID = 100,
129 BFA_STATUS_IM_VLANID_EXISTS = 101,
130 BFA_STATUS_IM_FW_UPDATE_FAIL = 102,
131 BFA_STATUS_PORTLOG_ENABLED = 103,
132 BFA_STATUS_PORTLOG_DISABLED = 104,
133 BFA_STATUS_FILE_NOT_FOUND = 105,
134 BFA_STATUS_QOS_FC_ONLY = 106,
135 BFA_STATUS_RLIM_FC_ONLY = 107,
136 BFA_STATUS_CT_SPD = 108,
137 BFA_STATUS_LEDTEST_OP = 109,
138 BFA_STATUS_CEE_NOT_DN = 110,
139 BFA_STATUS_10G_SPD = 111,
140 BFA_STATUS_IM_INV_TEAM_NAME = 112,
141 BFA_STATUS_IM_DUP_TEAM_NAME = 113,
142 BFA_STATUS_IM_ADAPT_ALREADY_IN_TEAM = 114,
143 BFA_STATUS_IM_ADAPT_HAS_VLANS = 115,
144 BFA_STATUS_IM_PVID_MISMATCH = 116,
145 BFA_STATUS_IM_LINK_SPEED_MISMATCH = 117,
146 BFA_STATUS_IM_MTU_MISMATCH = 118,
147 BFA_STATUS_IM_RSS_MISMATCH = 119,
148 BFA_STATUS_IM_HDS_MISMATCH = 120,
149 BFA_STATUS_IM_OFFLOAD_MISMATCH = 121,
150 BFA_STATUS_IM_PORT_PARAMS = 122,
151 BFA_STATUS_IM_PORT_NOT_IN_TEAM = 123,
152 BFA_STATUS_IM_CANNOT_REM_PRI = 124,
153 BFA_STATUS_IM_MAX_PORTS_REACHED = 125,
154 BFA_STATUS_IM_LAST_PORT_DELETE = 126,
155 BFA_STATUS_IM_NO_DRIVER = 127,
156 BFA_STATUS_IM_MAX_VLANS_REACHED = 128,
157 BFA_STATUS_TOMCAT_SPD_NOT_ALLOWED = 129,
158 BFA_STATUS_NO_MINPORT_DRIVER = 130,
159 BFA_STATUS_CARD_TYPE_MISMATCH = 131,
160 BFA_STATUS_BAD_ASICBLK = 132,
161 BFA_STATUS_NO_DRIVER = 133,
162 BFA_STATUS_INVALID_MAC = 134,
163 BFA_STATUS_IM_NO_VLAN = 135,
164 BFA_STATUS_IM_ETH_LB_FAILED = 136,
165 BFA_STATUS_IM_PVID_REMOVE = 137,
166 BFA_STATUS_IM_PVID_EDIT = 138,
167 BFA_STATUS_CNA_NO_BOOT = 139,
168 BFA_STATUS_IM_PVID_NON_ZERO = 140,
169 BFA_STATUS_IM_INETCFG_LOCK_FAILED = 141,
170 BFA_STATUS_IM_GET_INETCFG_FAILED = 142,
171 BFA_STATUS_IM_NOT_BOUND = 143,
172 BFA_STATUS_INSUFFICIENT_PERMS = 144,
173 BFA_STATUS_IM_INV_VLAN_NAME = 145,
174 BFA_STATUS_CMD_NOTSUPP_CNA = 146,
175 BFA_STATUS_IM_PASSTHRU_EDIT = 147,
176 BFA_STATUS_IM_BIND_FAILED = 148,
177 BFA_STATUS_IM_UNBIND_FAILED = 149,
178 BFA_STATUS_IM_PORT_IN_TEAM = 150,
179 BFA_STATUS_IM_VLAN_NOT_FOUND = 151,
180 BFA_STATUS_IM_TEAM_NOT_FOUND = 152,
181 BFA_STATUS_IM_TEAM_CFG_NOT_ALLOWED = 153,
182 BFA_STATUS_PBC = 154,
183 BFA_STATUS_DEVID_MISSING = 155,
184 BFA_STATUS_BAD_FWCFG = 156,
185 BFA_STATUS_CREATE_FILE = 157,
186 BFA_STATUS_INVALID_VENDOR = 158,
187 BFA_STATUS_SFP_NOT_READY = 159,
188 BFA_STATUS_FLASH_UNINIT = 160,
189 BFA_STATUS_FLASH_EMPTY = 161,
190 BFA_STATUS_FLASH_CKFAIL = 162,
191 BFA_STATUS_TRUNK_UNSUPP = 163,
192 BFA_STATUS_TRUNK_ENABLED = 164,
193 BFA_STATUS_TRUNK_DISABLED = 165,
194 BFA_STATUS_TRUNK_ERROR_TRL_ENABLED = 166,
195 BFA_STATUS_BOOT_CODE_UPDATED = 167,
196 BFA_STATUS_BOOT_VERSION = 168,
197 BFA_STATUS_CARDTYPE_MISSING = 169,
198 BFA_STATUS_INVALID_CARDTYPE = 170,
199 BFA_STATUS_NO_TOPOLOGY_FOR_CNA = 171,
200 BFA_STATUS_IM_VLAN_OVER_TEAM_DELETE_FAILED = 172,
201 BFA_STATUS_ETHBOOT_ENABLED = 173,
202 BFA_STATUS_ETHBOOT_DISABLED = 174,
203 BFA_STATUS_IOPROFILE_OFF = 175,
204 BFA_STATUS_NO_PORT_INSTANCE = 176,
205 BFA_STATUS_BOOT_CODE_TIMEDOUT = 177,
206 BFA_STATUS_NO_VPORT_LOCK = 178,
207 BFA_STATUS_VPORT_NO_CNFG = 179,
208 BFA_STATUS_MAX_VAL
209};
210
211enum bfa_eproto_status {
212 BFA_EPROTO_BAD_ACCEPT = 0,
213 BFA_EPROTO_UNKNOWN_RSP = 1
214};
215
216#endif /* __BFA_DEFS_STATUS_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c
new file mode 100644
index 000000000000..3cdea65aee12
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c
@@ -0,0 +1,2326 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#include "bfa_ioc.h"
20#include "cna.h"
21#include "bfi.h"
22#include "bfi_reg.h"
23#include "bfa_defs.h"
24
25/**
26 * IOC local definitions
27 */
28
29/**
30 * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details.
31 */
32
33#define bfa_ioc_firmware_lock(__ioc) \
34 ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc))
35#define bfa_ioc_firmware_unlock(__ioc) \
36 ((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc))
37#define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc))
38#define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc))
39#define bfa_ioc_notify_fail(__ioc) \
40 ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc))
41#define bfa_ioc_sync_start(__ioc) \
42 ((__ioc)->ioc_hwif->ioc_sync_start(__ioc))
43#define bfa_ioc_sync_join(__ioc) \
44 ((__ioc)->ioc_hwif->ioc_sync_join(__ioc))
45#define bfa_ioc_sync_leave(__ioc) \
46 ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc))
47#define bfa_ioc_sync_ack(__ioc) \
48 ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc))
49#define bfa_ioc_sync_complete(__ioc) \
50 ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc))
51
52#define bfa_ioc_mbox_cmd_pending(__ioc) \
53 (!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \
54 readl((__ioc)->ioc_regs.hfn_mbox_cmd))
55
56static bool bfa_nw_auto_recover = true;
57
58/*
59 * forward declarations
60 */
61static void bfa_ioc_hw_sem_init(struct bfa_ioc *ioc);
62static void bfa_ioc_hw_sem_get(struct bfa_ioc *ioc);
63static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc);
64static void bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force);
65static void bfa_ioc_send_enable(struct bfa_ioc *ioc);
66static void bfa_ioc_send_disable(struct bfa_ioc *ioc);
67static void bfa_ioc_send_getattr(struct bfa_ioc *ioc);
68static void bfa_ioc_hb_monitor(struct bfa_ioc *ioc);
69static void bfa_ioc_hb_stop(struct bfa_ioc *ioc);
70static void bfa_ioc_reset(struct bfa_ioc *ioc, bool force);
71static void bfa_ioc_mbox_poll(struct bfa_ioc *ioc);
72static void bfa_ioc_mbox_flush(struct bfa_ioc *ioc);
73static void bfa_ioc_recover(struct bfa_ioc *ioc);
74static void bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc);
75static void bfa_ioc_event_notify(struct bfa_ioc *, enum bfa_ioc_event);
76static void bfa_ioc_disable_comp(struct bfa_ioc *ioc);
77static void bfa_ioc_lpu_stop(struct bfa_ioc *ioc);
78static void bfa_ioc_fail_notify(struct bfa_ioc *ioc);
79static void bfa_ioc_pf_enabled(struct bfa_ioc *ioc);
80static void bfa_ioc_pf_disabled(struct bfa_ioc *ioc);
81static void bfa_ioc_pf_initfailed(struct bfa_ioc *ioc);
82static void bfa_ioc_pf_failed(struct bfa_ioc *ioc);
83static void bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc);
84static void bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type,
85 u32 boot_param);
86static u32 bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr);
87static void bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc,
88 char *serial_num);
89static void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc,
90 char *fw_ver);
91static void bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc,
92 char *chip_rev);
93static void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc,
94 char *optrom_ver);
95static void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc,
96 char *manufacturer);
97static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model);
98static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc);
99
100/**
101 * IOC state machine definitions/declarations
102 */
103enum ioc_event {
104 IOC_E_RESET = 1, /*!< IOC reset request */
105 IOC_E_ENABLE = 2, /*!< IOC enable request */
106 IOC_E_DISABLE = 3, /*!< IOC disable request */
107 IOC_E_DETACH = 4, /*!< driver detach cleanup */
108 IOC_E_ENABLED = 5, /*!< f/w enabled */
109 IOC_E_FWRSP_GETATTR = 6, /*!< IOC get attribute response */
110 IOC_E_DISABLED = 7, /*!< f/w disabled */
111 IOC_E_INITFAILED = 8, /*!< failure notice by iocpf sm */
112 IOC_E_PFFAILED = 9, /*!< failure notice by iocpf sm */
113 IOC_E_HBFAIL = 10, /*!< heartbeat failure */
114 IOC_E_HWERROR = 11, /*!< hardware error interrupt */
115 IOC_E_TIMEOUT = 12, /*!< timeout */
116};
117
118bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc, enum ioc_event);
119bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc, enum ioc_event);
120bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc, enum ioc_event);
121bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc, enum ioc_event);
122bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc, enum ioc_event);
123bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc, enum ioc_event);
124bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc, enum ioc_event);
125bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc, enum ioc_event);
126bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc, enum ioc_event);
127
128static struct bfa_sm_table ioc_sm_table[] = {
129 {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT},
130 {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET},
131 {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING},
132 {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR},
133 {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL},
134 {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL},
135 {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL},
136 {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING},
137 {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED},
138};
139
140/**
141 * IOCPF state machine definitions/declarations
142 */
143
144/*
145 * Forward declareations for iocpf state machine
146 */
147static void bfa_iocpf_enable(struct bfa_ioc *ioc);
148static void bfa_iocpf_disable(struct bfa_ioc *ioc);
149static void bfa_iocpf_fail(struct bfa_ioc *ioc);
150static void bfa_iocpf_initfail(struct bfa_ioc *ioc);
151static void bfa_iocpf_getattrfail(struct bfa_ioc *ioc);
152static void bfa_iocpf_stop(struct bfa_ioc *ioc);
153
154/**
155 * IOCPF state machine events
156 */
157enum iocpf_event {
158 IOCPF_E_ENABLE = 1, /*!< IOCPF enable request */
159 IOCPF_E_DISABLE = 2, /*!< IOCPF disable request */
160 IOCPF_E_STOP = 3, /*!< stop on driver detach */
161 IOCPF_E_FWREADY = 4, /*!< f/w initialization done */
162 IOCPF_E_FWRSP_ENABLE = 5, /*!< enable f/w response */
163 IOCPF_E_FWRSP_DISABLE = 6, /*!< disable f/w response */
164 IOCPF_E_FAIL = 7, /*!< failure notice by ioc sm */
165 IOCPF_E_INITFAIL = 8, /*!< init fail notice by ioc sm */
166 IOCPF_E_GETATTRFAIL = 9, /*!< init fail notice by ioc sm */
167 IOCPF_E_SEMLOCKED = 10, /*!< h/w semaphore is locked */
168 IOCPF_E_TIMEOUT = 11, /*!< f/w response timeout */
169};
170
171/**
172 * IOCPF states
173 */
174enum bfa_iocpf_state {
175 BFA_IOCPF_RESET = 1, /*!< IOC is in reset state */
176 BFA_IOCPF_SEMWAIT = 2, /*!< Waiting for IOC h/w semaphore */
177 BFA_IOCPF_HWINIT = 3, /*!< IOC h/w is being initialized */
178 BFA_IOCPF_READY = 4, /*!< IOCPF is initialized */
179 BFA_IOCPF_INITFAIL = 5, /*!< IOCPF failed */
180 BFA_IOCPF_FAIL = 6, /*!< IOCPF failed */
181 BFA_IOCPF_DISABLING = 7, /*!< IOCPF is being disabled */
182 BFA_IOCPF_DISABLED = 8, /*!< IOCPF is disabled */
183 BFA_IOCPF_FWMISMATCH = 9, /*!< IOC f/w different from drivers */
184};
185
186bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf, enum iocpf_event);
187bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf, enum iocpf_event);
188bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf, enum iocpf_event);
189bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf, enum iocpf_event);
190bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf, enum iocpf_event);
191bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf, enum iocpf_event);
192bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf, enum iocpf_event);
193bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf,
194 enum iocpf_event);
195bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf, enum iocpf_event);
196bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf, enum iocpf_event);
197bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf, enum iocpf_event);
198bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf, enum iocpf_event);
199bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf,
200 enum iocpf_event);
201bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf, enum iocpf_event);
202
203static struct bfa_sm_table iocpf_sm_table[] = {
204 {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET},
205 {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH},
206 {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH},
207 {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT},
208 {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT},
209 {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT},
210 {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY},
211 {BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL},
212 {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL},
213 {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL},
214 {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL},
215 {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING},
216 {BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING},
217 {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED},
218};
219
220/**
221 * IOC State Machine
222 */
223
224/**
225 * Beginning state. IOC uninit state.
226 */
227static void
228bfa_ioc_sm_uninit_entry(struct bfa_ioc *ioc)
229{
230}
231
232/**
233 * IOC is in uninit state.
234 */
235static void
236bfa_ioc_sm_uninit(struct bfa_ioc *ioc, enum ioc_event event)
237{
238 switch (event) {
239 case IOC_E_RESET:
240 bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
241 break;
242
243 default:
244 bfa_sm_fault(event);
245 }
246}
247
248/**
249 * Reset entry actions -- initialize state machine
250 */
251static void
252bfa_ioc_sm_reset_entry(struct bfa_ioc *ioc)
253{
254 bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset);
255}
256
257/**
258 * IOC is in reset state.
259 */
260static void
261bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event)
262{
263 switch (event) {
264 case IOC_E_ENABLE:
265 bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling);
266 break;
267
268 case IOC_E_DISABLE:
269 bfa_ioc_disable_comp(ioc);
270 break;
271
272 case IOC_E_DETACH:
273 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
274 break;
275
276 default:
277 bfa_sm_fault(event);
278 }
279}
280
281static void
282bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc)
283{
284 bfa_iocpf_enable(ioc);
285}
286
287/**
288 * Host IOC function is being enabled, awaiting response from firmware.
289 * Semaphore is acquired.
290 */
291static void
292bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event)
293{
294 switch (event) {
295 case IOC_E_ENABLED:
296 bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
297 break;
298
299 case IOC_E_PFFAILED:
300 /* !!! fall through !!! */
301 case IOC_E_HWERROR:
302 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
303 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
304 if (event != IOC_E_PFFAILED)
305 bfa_iocpf_initfail(ioc);
306 break;
307
308 case IOC_E_DISABLE:
309 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
310 break;
311
312 case IOC_E_DETACH:
313 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
314 bfa_iocpf_stop(ioc);
315 break;
316
317 case IOC_E_ENABLE:
318 break;
319
320 default:
321 bfa_sm_fault(event);
322 }
323}
324
325/**
326 * Semaphore should be acquired for version check.
327 */
328static void
329bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc)
330{
331 mod_timer(&ioc->ioc_timer, jiffies +
332 msecs_to_jiffies(BFA_IOC_TOV));
333 bfa_ioc_send_getattr(ioc);
334}
335
336/**
337 * IOC configuration in progress. Timer is active.
338 */
339static void
340bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event)
341{
342 switch (event) {
343 case IOC_E_FWRSP_GETATTR:
344 del_timer(&ioc->ioc_timer);
345 bfa_ioc_check_attr_wwns(ioc);
346 bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
347 break;
348
349 case IOC_E_PFFAILED:
350 case IOC_E_HWERROR:
351 del_timer(&ioc->ioc_timer);
352 /* fall through */
353 case IOC_E_TIMEOUT:
354 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
355 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
356 if (event != IOC_E_PFFAILED)
357 bfa_iocpf_getattrfail(ioc);
358 break;
359
360 case IOC_E_DISABLE:
361 del_timer(&ioc->ioc_timer);
362 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
363 break;
364
365 case IOC_E_ENABLE:
366 break;
367
368 default:
369 bfa_sm_fault(event);
370 }
371}
372
373static void
374bfa_ioc_sm_op_entry(struct bfa_ioc *ioc)
375{
376 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK);
377 bfa_ioc_hb_monitor(ioc);
378}
379
380static void
381bfa_ioc_sm_op(struct bfa_ioc *ioc, enum ioc_event event)
382{
383 switch (event) {
384 case IOC_E_ENABLE:
385 break;
386
387 case IOC_E_DISABLE:
388 bfa_ioc_hb_stop(ioc);
389 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
390 break;
391
392 case IOC_E_PFFAILED:
393 case IOC_E_HWERROR:
394 bfa_ioc_hb_stop(ioc);
395 /* !!! fall through !!! */
396 case IOC_E_HBFAIL:
397 bfa_ioc_fail_notify(ioc);
398 if (ioc->iocpf.auto_recover)
399 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
400 else
401 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
402
403 if (event != IOC_E_PFFAILED)
404 bfa_iocpf_fail(ioc);
405 break;
406
407 default:
408 bfa_sm_fault(event);
409 }
410}
411
412static void
413bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc)
414{
415 bfa_iocpf_disable(ioc);
416}
417
418/**
419 * IOC is being desabled
420 */
421static void
422bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event)
423{
424 switch (event) {
425 case IOC_E_DISABLED:
426 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
427 break;
428
429 case IOC_E_HWERROR:
430 /*
431 * No state change. Will move to disabled state
432 * after iocpf sm completes failure processing and
433 * moves to disabled state.
434 */
435 bfa_iocpf_fail(ioc);
436 break;
437
438 default:
439 bfa_sm_fault(event);
440 }
441}
442
443/**
444 * IOC desable completion entry.
445 */
446static void
447bfa_ioc_sm_disabled_entry(struct bfa_ioc *ioc)
448{
449 bfa_ioc_disable_comp(ioc);
450}
451
452static void
453bfa_ioc_sm_disabled(struct bfa_ioc *ioc, enum ioc_event event)
454{
455 switch (event) {
456 case IOC_E_ENABLE:
457 bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling);
458 break;
459
460 case IOC_E_DISABLE:
461 ioc->cbfn->disable_cbfn(ioc->bfa);
462 break;
463
464 case IOC_E_DETACH:
465 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
466 bfa_iocpf_stop(ioc);
467 break;
468
469 default:
470 bfa_sm_fault(event);
471 }
472}
473
474static void
475bfa_ioc_sm_fail_retry_entry(struct bfa_ioc *ioc)
476{
477}
478
479/**
480 * Hardware initialization retry.
481 */
482static void
483bfa_ioc_sm_fail_retry(struct bfa_ioc *ioc, enum ioc_event event)
484{
485 switch (event) {
486 case IOC_E_ENABLED:
487 bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
488 break;
489
490 case IOC_E_PFFAILED:
491 case IOC_E_HWERROR:
492 /**
493 * Initialization retry failed.
494 */
495 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
496 if (event != IOC_E_PFFAILED)
497 bfa_iocpf_initfail(ioc);
498 break;
499
500 case IOC_E_INITFAILED:
501 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
502 break;
503
504 case IOC_E_ENABLE:
505 break;
506
507 case IOC_E_DISABLE:
508 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
509 break;
510
511 case IOC_E_DETACH:
512 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
513 bfa_iocpf_stop(ioc);
514 break;
515
516 default:
517 bfa_sm_fault(event);
518 }
519}
520
521static void
522bfa_ioc_sm_fail_entry(struct bfa_ioc *ioc)
523{
524}
525
526/**
527 * IOC failure.
528 */
529static void
530bfa_ioc_sm_fail(struct bfa_ioc *ioc, enum ioc_event event)
531{
532 switch (event) {
533 case IOC_E_ENABLE:
534 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
535 break;
536
537 case IOC_E_DISABLE:
538 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
539 break;
540
541 case IOC_E_DETACH:
542 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
543 bfa_iocpf_stop(ioc);
544 break;
545
546 case IOC_E_HWERROR:
547 /* HB failure notification, ignore. */
548 break;
549
550 default:
551 bfa_sm_fault(event);
552 }
553}
554
555/**
556 * IOCPF State Machine
557 */
558
559/**
560 * Reset entry actions -- initialize state machine
561 */
562static void
563bfa_iocpf_sm_reset_entry(struct bfa_iocpf *iocpf)
564{
565 iocpf->retry_count = 0;
566 iocpf->auto_recover = bfa_nw_auto_recover;
567}
568
569/**
570 * Beginning state. IOC is in reset state.
571 */
572static void
573bfa_iocpf_sm_reset(struct bfa_iocpf *iocpf, enum iocpf_event event)
574{
575 switch (event) {
576 case IOCPF_E_ENABLE:
577 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck);
578 break;
579
580 case IOCPF_E_STOP:
581 break;
582
583 default:
584 bfa_sm_fault(event);
585 }
586}
587
588/**
589 * Semaphore should be acquired for version check.
590 */
591static void
592bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf *iocpf)
593{
594 bfa_ioc_hw_sem_init(iocpf->ioc);
595 bfa_ioc_hw_sem_get(iocpf->ioc);
596}
597
598/**
599 * Awaiting h/w semaphore to continue with version check.
600 */
601static void
602bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event)
603{
604 struct bfa_ioc *ioc = iocpf->ioc;
605
606 switch (event) {
607 case IOCPF_E_SEMLOCKED:
608 if (bfa_ioc_firmware_lock(ioc)) {
609 if (bfa_ioc_sync_start(ioc)) {
610 iocpf->retry_count = 0;
611 bfa_ioc_sync_join(ioc);
612 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
613 } else {
614 bfa_ioc_firmware_unlock(ioc);
615 bfa_nw_ioc_hw_sem_release(ioc);
616 mod_timer(&ioc->sem_timer, jiffies +
617 msecs_to_jiffies(BFA_IOC_HWSEM_TOV));
618 }
619 } else {
620 bfa_nw_ioc_hw_sem_release(ioc);
621 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch);
622 }
623 break;
624
625 case IOCPF_E_DISABLE:
626 bfa_ioc_hw_sem_get_cancel(ioc);
627 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
628 bfa_ioc_pf_disabled(ioc);
629 break;
630
631 case IOCPF_E_STOP:
632 bfa_ioc_hw_sem_get_cancel(ioc);
633 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
634 break;
635
636 default:
637 bfa_sm_fault(event);
638 }
639}
640
641/**
642 * Notify enable completion callback
643 */
644static void
645bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf)
646{
647 /* Call only the first time sm enters fwmismatch state. */
648 if (iocpf->retry_count == 0)
649 bfa_ioc_pf_fwmismatch(iocpf->ioc);
650
651 iocpf->retry_count++;
652 mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
653 msecs_to_jiffies(BFA_IOC_TOV));
654}
655
656/**
657 * Awaiting firmware version match.
658 */
659static void
660bfa_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event)
661{
662 struct bfa_ioc *ioc = iocpf->ioc;
663
664 switch (event) {
665 case IOCPF_E_TIMEOUT:
666 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck);
667 break;
668
669 case IOCPF_E_DISABLE:
670 del_timer(&ioc->iocpf_timer);
671 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
672 bfa_ioc_pf_disabled(ioc);
673 break;
674
675 case IOCPF_E_STOP:
676 del_timer(&ioc->iocpf_timer);
677 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
678 break;
679
680 default:
681 bfa_sm_fault(event);
682 }
683}
684
685/**
686 * Request for semaphore.
687 */
688static void
689bfa_iocpf_sm_semwait_entry(struct bfa_iocpf *iocpf)
690{
691 bfa_ioc_hw_sem_get(iocpf->ioc);
692}
693
694/**
695 * Awaiting semaphore for h/w initialzation.
696 */
697static void
698bfa_iocpf_sm_semwait(struct bfa_iocpf *iocpf, enum iocpf_event event)
699{
700 struct bfa_ioc *ioc = iocpf->ioc;
701
702 switch (event) {
703 case IOCPF_E_SEMLOCKED:
704 if (bfa_ioc_sync_complete(ioc)) {
705 bfa_ioc_sync_join(ioc);
706 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
707 } else {
708 bfa_nw_ioc_hw_sem_release(ioc);
709 mod_timer(&ioc->sem_timer, jiffies +
710 msecs_to_jiffies(BFA_IOC_HWSEM_TOV));
711 }
712 break;
713
714 case IOCPF_E_DISABLE:
715 bfa_ioc_hw_sem_get_cancel(ioc);
716 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
717 break;
718
719 default:
720 bfa_sm_fault(event);
721 }
722}
723
724static void
725bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf *iocpf)
726{
727 mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
728 msecs_to_jiffies(BFA_IOC_TOV));
729 bfa_ioc_reset(iocpf->ioc, 0);
730}
731
732/**
733 * Hardware is being initialized. Interrupts are enabled.
734 * Holding hardware semaphore lock.
735 */
736static void
737bfa_iocpf_sm_hwinit(struct bfa_iocpf *iocpf, enum iocpf_event event)
738{
739 struct bfa_ioc *ioc = iocpf->ioc;
740
741 switch (event) {
742 case IOCPF_E_FWREADY:
743 del_timer(&ioc->iocpf_timer);
744 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling);
745 break;
746
747 case IOCPF_E_INITFAIL:
748 del_timer(&ioc->iocpf_timer);
749 /*
750 * !!! fall through !!!
751 */
752
753 case IOCPF_E_TIMEOUT:
754 bfa_nw_ioc_hw_sem_release(ioc);
755 if (event == IOCPF_E_TIMEOUT)
756 bfa_ioc_pf_failed(ioc);
757 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
758 break;
759
760 case IOCPF_E_DISABLE:
761 del_timer(&ioc->iocpf_timer);
762 bfa_ioc_sync_leave(ioc);
763 bfa_nw_ioc_hw_sem_release(ioc);
764 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
765 break;
766
767 default:
768 bfa_sm_fault(event);
769 }
770}
771
772static void
773bfa_iocpf_sm_enabling_entry(struct bfa_iocpf *iocpf)
774{
775 mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
776 msecs_to_jiffies(BFA_IOC_TOV));
777 bfa_ioc_send_enable(iocpf->ioc);
778}
779
780/**
781 * Host IOC function is being enabled, awaiting response from firmware.
782 * Semaphore is acquired.
783 */
784static void
785bfa_iocpf_sm_enabling(struct bfa_iocpf *iocpf, enum iocpf_event event)
786{
787 struct bfa_ioc *ioc = iocpf->ioc;
788
789 switch (event) {
790 case IOCPF_E_FWRSP_ENABLE:
791 del_timer(&ioc->iocpf_timer);
792 bfa_nw_ioc_hw_sem_release(ioc);
793 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready);
794 break;
795
796 case IOCPF_E_INITFAIL:
797 del_timer(&ioc->iocpf_timer);
798 /*
799 * !!! fall through !!!
800 */
801 case IOCPF_E_TIMEOUT:
802 bfa_nw_ioc_hw_sem_release(ioc);
803 if (event == IOCPF_E_TIMEOUT)
804 bfa_ioc_pf_failed(ioc);
805 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
806 break;
807
808 case IOCPF_E_DISABLE:
809 del_timer(&ioc->iocpf_timer);
810 bfa_nw_ioc_hw_sem_release(ioc);
811 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling);
812 break;
813
814 case IOCPF_E_FWREADY:
815 bfa_ioc_send_enable(ioc);
816 break;
817
818 default:
819 bfa_sm_fault(event);
820 }
821}
822
823static bool
824bfa_nw_ioc_is_operational(struct bfa_ioc *ioc)
825{
826 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op);
827}
828
829static void
830bfa_iocpf_sm_ready_entry(struct bfa_iocpf *iocpf)
831{
832 bfa_ioc_pf_enabled(iocpf->ioc);
833}
834
835static void
836bfa_iocpf_sm_ready(struct bfa_iocpf *iocpf, enum iocpf_event event)
837{
838 struct bfa_ioc *ioc = iocpf->ioc;
839
840 switch (event) {
841 case IOCPF_E_DISABLE:
842 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling);
843 break;
844
845 case IOCPF_E_GETATTRFAIL:
846 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
847 break;
848
849 case IOCPF_E_FAIL:
850 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync);
851 break;
852
853 case IOCPF_E_FWREADY:
854 bfa_ioc_pf_failed(ioc);
855 if (bfa_nw_ioc_is_operational(ioc))
856 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync);
857 else
858 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
859 break;
860
861 default:
862 bfa_sm_fault(event);
863 }
864}
865
866static void
867bfa_iocpf_sm_disabling_entry(struct bfa_iocpf *iocpf)
868{
869 mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
870 msecs_to_jiffies(BFA_IOC_TOV));
871 bfa_ioc_send_disable(iocpf->ioc);
872}
873
874/**
875 * IOC is being disabled
876 */
877static void
878bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event)
879{
880 struct bfa_ioc *ioc = iocpf->ioc;
881
882 switch (event) {
883 case IOCPF_E_FWRSP_DISABLE:
884 case IOCPF_E_FWREADY:
885 del_timer(&ioc->iocpf_timer);
886 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
887 break;
888
889 case IOCPF_E_FAIL:
890 del_timer(&ioc->iocpf_timer);
891 /*
892 * !!! fall through !!!
893 */
894
895 case IOCPF_E_TIMEOUT:
896 writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
897 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
898 break;
899
900 case IOCPF_E_FWRSP_ENABLE:
901 break;
902
903 default:
904 bfa_sm_fault(event);
905 }
906}
907
908static void
909bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf *iocpf)
910{
911 bfa_ioc_hw_sem_get(iocpf->ioc);
912}
913
914/**
915 * IOC hb ack request is being removed.
916 */
917static void
918bfa_iocpf_sm_disabling_sync(struct bfa_iocpf *iocpf, enum iocpf_event event)
919{
920 struct bfa_ioc *ioc = iocpf->ioc;
921
922 switch (event) {
923 case IOCPF_E_SEMLOCKED:
924 bfa_ioc_sync_leave(ioc);
925 bfa_nw_ioc_hw_sem_release(ioc);
926 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
927 break;
928
929 case IOCPF_E_FAIL:
930 break;
931
932 default:
933 bfa_sm_fault(event);
934 }
935}
936
937/**
938 * IOC disable completion entry.
939 */
940static void
941bfa_iocpf_sm_disabled_entry(struct bfa_iocpf *iocpf)
942{
943 bfa_ioc_mbox_flush(iocpf->ioc);
944 bfa_ioc_pf_disabled(iocpf->ioc);
945}
946
947static void
948bfa_iocpf_sm_disabled(struct bfa_iocpf *iocpf, enum iocpf_event event)
949{
950 struct bfa_ioc *ioc = iocpf->ioc;
951
952 switch (event) {
953 case IOCPF_E_ENABLE:
954 iocpf->retry_count = 0;
955 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
956 break;
957
958 case IOCPF_E_STOP:
959 bfa_ioc_firmware_unlock(ioc);
960 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
961 break;
962
963 default:
964 bfa_sm_fault(event);
965 }
966}
967
968static void
969bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf *iocpf)
970{
971 bfa_ioc_hw_sem_get(iocpf->ioc);
972}
973
974/**
975 * Hardware initialization failed.
976 */
977static void
978bfa_iocpf_sm_initfail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event)
979{
980 struct bfa_ioc *ioc = iocpf->ioc;
981
982 switch (event) {
983 case IOCPF_E_SEMLOCKED:
984 bfa_ioc_notify_fail(ioc);
985 bfa_ioc_sync_ack(ioc);
986 iocpf->retry_count++;
987 if (iocpf->retry_count >= BFA_IOC_HWINIT_MAX) {
988 bfa_ioc_sync_leave(ioc);
989 bfa_nw_ioc_hw_sem_release(ioc);
990 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail);
991 } else {
992 if (bfa_ioc_sync_complete(ioc))
993 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
994 else {
995 bfa_nw_ioc_hw_sem_release(ioc);
996 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
997 }
998 }
999 break;
1000
1001 case IOCPF_E_DISABLE:
1002 bfa_ioc_hw_sem_get_cancel(ioc);
1003 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
1004 break;
1005
1006 case IOCPF_E_STOP:
1007 bfa_ioc_hw_sem_get_cancel(ioc);
1008 bfa_ioc_firmware_unlock(ioc);
1009 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
1010 break;
1011
1012 case IOCPF_E_FAIL:
1013 break;
1014
1015 default:
1016 bfa_sm_fault(event);
1017 }
1018}
1019
1020static void
1021bfa_iocpf_sm_initfail_entry(struct bfa_iocpf *iocpf)
1022{
1023 bfa_ioc_pf_initfailed(iocpf->ioc);
1024}
1025
1026/**
1027 * Hardware initialization failed.
1028 */
1029static void
1030bfa_iocpf_sm_initfail(struct bfa_iocpf *iocpf, enum iocpf_event event)
1031{
1032 struct bfa_ioc *ioc = iocpf->ioc;
1033
1034 switch (event) {
1035 case IOCPF_E_DISABLE:
1036 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
1037 break;
1038
1039 case IOCPF_E_STOP:
1040 bfa_ioc_firmware_unlock(ioc);
1041 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
1042 break;
1043
1044 default:
1045 bfa_sm_fault(event);
1046 }
1047}
1048
1049static void
1050bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf *iocpf)
1051{
1052 /**
1053 * Mark IOC as failed in hardware and stop firmware.
1054 */
1055 bfa_ioc_lpu_stop(iocpf->ioc);
1056
1057 /**
1058 * Flush any queued up mailbox requests.
1059 */
1060 bfa_ioc_mbox_flush(iocpf->ioc);
1061 bfa_ioc_hw_sem_get(iocpf->ioc);
1062}
1063
1064/**
1065 * IOC is in failed state.
1066 */
1067static void
1068bfa_iocpf_sm_fail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event)
1069{
1070 struct bfa_ioc *ioc = iocpf->ioc;
1071
1072 switch (event) {
1073 case IOCPF_E_SEMLOCKED:
1074 iocpf->retry_count = 0;
1075 bfa_ioc_sync_ack(ioc);
1076 bfa_ioc_notify_fail(ioc);
1077 if (!iocpf->auto_recover) {
1078 bfa_ioc_sync_leave(ioc);
1079 bfa_nw_ioc_hw_sem_release(ioc);
1080 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
1081 } else {
1082 if (bfa_ioc_sync_complete(ioc))
1083 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
1084 else {
1085 bfa_nw_ioc_hw_sem_release(ioc);
1086 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
1087 }
1088 }
1089 break;
1090
1091 case IOCPF_E_DISABLE:
1092 bfa_ioc_hw_sem_get_cancel(ioc);
1093 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
1094 break;
1095
1096 case IOCPF_E_FAIL:
1097 break;
1098
1099 default:
1100 bfa_sm_fault(event);
1101 }
1102}
1103
1104static void
1105bfa_iocpf_sm_fail_entry(struct bfa_iocpf *iocpf)
1106{
1107}
1108
1109/**
1110 * @brief
1111 * IOC is in failed state.
1112 */
1113static void
1114bfa_iocpf_sm_fail(struct bfa_iocpf *iocpf, enum iocpf_event event)
1115{
1116 switch (event) {
1117 case IOCPF_E_DISABLE:
1118 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
1119 break;
1120
1121 default:
1122 bfa_sm_fault(event);
1123 }
1124}
1125
1126/**
1127 * BFA IOC private functions
1128 */
1129
1130/**
1131 * Notify common modules registered for notification.
1132 */
1133static void
1134bfa_ioc_event_notify(struct bfa_ioc *ioc, enum bfa_ioc_event event)
1135{
1136 struct bfa_ioc_notify *notify;
1137 struct list_head *qe;
1138
1139 list_for_each(qe, &ioc->notify_q) {
1140 notify = (struct bfa_ioc_notify *)qe;
1141 notify->cbfn(notify->cbarg, event);
1142 }
1143}
1144
1145static void
1146bfa_ioc_disable_comp(struct bfa_ioc *ioc)
1147{
1148 ioc->cbfn->disable_cbfn(ioc->bfa);
1149 bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED);
1150}
1151
1152bool
1153bfa_nw_ioc_sem_get(void __iomem *sem_reg)
1154{
1155 u32 r32;
1156 int cnt = 0;
1157#define BFA_SEM_SPINCNT 3000
1158
1159 r32 = readl(sem_reg);
1160
1161 while (r32 && (cnt < BFA_SEM_SPINCNT)) {
1162 cnt++;
1163 udelay(2);
1164 r32 = readl(sem_reg);
1165 }
1166
1167 if (r32 == 0)
1168 return true;
1169
1170 BUG_ON(!(cnt < BFA_SEM_SPINCNT));
1171 return false;
1172}
1173
1174void
1175bfa_nw_ioc_sem_release(void __iomem *sem_reg)
1176{
1177 writel(1, sem_reg);
1178}
1179
1180static void
1181bfa_ioc_hw_sem_init(struct bfa_ioc *ioc)
1182{
1183 struct bfi_ioc_image_hdr fwhdr;
1184 u32 fwstate = readl(ioc->ioc_regs.ioc_fwstate);
1185
1186 if (fwstate == BFI_IOC_UNINIT)
1187 return;
1188
1189 bfa_nw_ioc_fwver_get(ioc, &fwhdr);
1190
1191 if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL)
1192 return;
1193
1194 writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate);
1195
1196 /*
1197 * Try to lock and then unlock the semaphore.
1198 */
1199 readl(ioc->ioc_regs.ioc_sem_reg);
1200 writel(1, ioc->ioc_regs.ioc_sem_reg);
1201}
1202
1203static void
1204bfa_ioc_hw_sem_get(struct bfa_ioc *ioc)
1205{
1206 u32 r32;
1207
1208 /**
1209 * First read to the semaphore register will return 0, subsequent reads
1210 * will return 1. Semaphore is released by writing 1 to the register
1211 */
1212 r32 = readl(ioc->ioc_regs.ioc_sem_reg);
1213 if (r32 == 0) {
1214 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED);
1215 return;
1216 }
1217
1218 mod_timer(&ioc->sem_timer, jiffies +
1219 msecs_to_jiffies(BFA_IOC_HWSEM_TOV));
1220}
1221
1222void
1223bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc)
1224{
1225 writel(1, ioc->ioc_regs.ioc_sem_reg);
1226}
1227
1228static void
1229bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc)
1230{
1231 del_timer(&ioc->sem_timer);
1232}
1233
1234/**
1235 * @brief
1236 * Initialize LPU local memory (aka secondary memory / SRAM)
1237 */
1238static void
1239bfa_ioc_lmem_init(struct bfa_ioc *ioc)
1240{
1241 u32 pss_ctl;
1242 int i;
1243#define PSS_LMEM_INIT_TIME 10000
1244
1245 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1246 pss_ctl &= ~__PSS_LMEM_RESET;
1247 pss_ctl |= __PSS_LMEM_INIT_EN;
1248
1249 /*
1250 * i2c workaround 12.5khz clock
1251 */
1252 pss_ctl |= __PSS_I2C_CLK_DIV(3UL);
1253 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1254
1255 /**
1256 * wait for memory initialization to be complete
1257 */
1258 i = 0;
1259 do {
1260 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1261 i++;
1262 } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME));
1263
1264 /**
1265 * If memory initialization is not successful, IOC timeout will catch
1266 * such failures.
1267 */
1268 BUG_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE));
1269
1270 pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN);
1271 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1272}
1273
1274static void
1275bfa_ioc_lpu_start(struct bfa_ioc *ioc)
1276{
1277 u32 pss_ctl;
1278
1279 /**
1280 * Take processor out of reset.
1281 */
1282 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1283 pss_ctl &= ~__PSS_LPU0_RESET;
1284
1285 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1286}
1287
1288static void
1289bfa_ioc_lpu_stop(struct bfa_ioc *ioc)
1290{
1291 u32 pss_ctl;
1292
1293 /**
1294 * Put processors in reset.
1295 */
1296 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1297 pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET);
1298
1299 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1300}
1301
1302/**
1303 * Get driver and firmware versions.
1304 */
1305void
1306bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr)
1307{
1308 u32 pgnum;
1309 u32 loff = 0;
1310 int i;
1311 u32 *fwsig = (u32 *) fwhdr;
1312
1313 pgnum = bfa_ioc_smem_pgnum(ioc, loff);
1314 writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1315
1316 for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr) / sizeof(u32));
1317 i++) {
1318 fwsig[i] =
1319 swab32(readl((loff) + (ioc->ioc_regs.smem_page_start)));
1320 loff += sizeof(u32);
1321 }
1322}
1323
1324/**
1325 * Returns TRUE if same.
1326 */
1327bool
1328bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr)
1329{
1330 struct bfi_ioc_image_hdr *drv_fwhdr;
1331 int i;
1332
1333 drv_fwhdr = (struct bfi_ioc_image_hdr *)
1334 bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0);
1335
1336 for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) {
1337 if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i])
1338 return false;
1339 }
1340
1341 return true;
1342}
1343
1344/**
1345 * Return true if current running version is valid. Firmware signature and
1346 * execution context (driver/bios) must match.
1347 */
1348static bool
1349bfa_ioc_fwver_valid(struct bfa_ioc *ioc, u32 boot_env)
1350{
1351 struct bfi_ioc_image_hdr fwhdr, *drv_fwhdr;
1352
1353 bfa_nw_ioc_fwver_get(ioc, &fwhdr);
1354 drv_fwhdr = (struct bfi_ioc_image_hdr *)
1355 bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0);
1356
1357 if (fwhdr.signature != drv_fwhdr->signature)
1358 return false;
1359
1360 if (swab32(fwhdr.param) != boot_env)
1361 return false;
1362
1363 return bfa_nw_ioc_fwver_cmp(ioc, &fwhdr);
1364}
1365
1366/**
1367 * Conditionally flush any pending message from firmware at start.
1368 */
1369static void
1370bfa_ioc_msgflush(struct bfa_ioc *ioc)
1371{
1372 u32 r32;
1373
1374 r32 = readl(ioc->ioc_regs.lpu_mbox_cmd);
1375 if (r32)
1376 writel(1, ioc->ioc_regs.lpu_mbox_cmd);
1377}
1378
1379/**
1380 * @img ioc_init_logic.jpg
1381 */
1382static void
1383bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force)
1384{
1385 enum bfi_ioc_state ioc_fwstate;
1386 bool fwvalid;
1387 u32 boot_env;
1388
1389 ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate);
1390
1391 boot_env = BFI_BOOT_LOADER_OS;
1392
1393 if (force)
1394 ioc_fwstate = BFI_IOC_UNINIT;
1395
1396 /**
1397 * check if firmware is valid
1398 */
1399 fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ?
1400 false : bfa_ioc_fwver_valid(ioc, boot_env);
1401
1402 if (!fwvalid) {
1403 bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, boot_env);
1404 return;
1405 }
1406
1407 /**
1408 * If hardware initialization is in progress (initialized by other IOC),
1409 * just wait for an initialization completion interrupt.
1410 */
1411 if (ioc_fwstate == BFI_IOC_INITING) {
1412 ioc->cbfn->reset_cbfn(ioc->bfa);
1413 return;
1414 }
1415
1416 /**
1417 * If IOC function is disabled and firmware version is same,
1418 * just re-enable IOC.
1419 */
1420 if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) {
1421 /**
1422 * When using MSI-X any pending firmware ready event should
1423 * be flushed. Otherwise MSI-X interrupts are not delivered.
1424 */
1425 bfa_ioc_msgflush(ioc);
1426 ioc->cbfn->reset_cbfn(ioc->bfa);
1427 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY);
1428 return;
1429 }
1430
1431 /**
1432 * Initialize the h/w for any other states.
1433 */
1434 bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, boot_env);
1435}
1436
1437void
1438bfa_nw_ioc_timeout(void *ioc_arg)
1439{
1440 struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg;
1441
1442 bfa_fsm_send_event(ioc, IOC_E_TIMEOUT);
1443}
1444
1445static void
1446bfa_ioc_mbox_send(struct bfa_ioc *ioc, void *ioc_msg, int len)
1447{
1448 u32 *msgp = (u32 *) ioc_msg;
1449 u32 i;
1450
1451 BUG_ON(!(len <= BFI_IOC_MSGLEN_MAX));
1452
1453 /*
1454 * first write msg to mailbox registers
1455 */
1456 for (i = 0; i < len / sizeof(u32); i++)
1457 writel(cpu_to_le32(msgp[i]),
1458 ioc->ioc_regs.hfn_mbox + i * sizeof(u32));
1459
1460 for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++)
1461 writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32));
1462
1463 /*
1464 * write 1 to mailbox CMD to trigger LPU event
1465 */
1466 writel(1, ioc->ioc_regs.hfn_mbox_cmd);
1467 (void) readl(ioc->ioc_regs.hfn_mbox_cmd);
1468}
1469
1470static void
1471bfa_ioc_send_enable(struct bfa_ioc *ioc)
1472{
1473 struct bfi_ioc_ctrl_req enable_req;
1474 struct timeval tv;
1475
1476 bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ,
1477 bfa_ioc_portid(ioc));
1478 enable_req.ioc_class = ioc->ioc_mc;
1479 do_gettimeofday(&tv);
1480 enable_req.tv_sec = ntohl(tv.tv_sec);
1481 bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req));
1482}
1483
1484static void
1485bfa_ioc_send_disable(struct bfa_ioc *ioc)
1486{
1487 struct bfi_ioc_ctrl_req disable_req;
1488
1489 bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ,
1490 bfa_ioc_portid(ioc));
1491 bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req));
1492}
1493
1494static void
1495bfa_ioc_send_getattr(struct bfa_ioc *ioc)
1496{
1497 struct bfi_ioc_getattr_req attr_req;
1498
1499 bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ,
1500 bfa_ioc_portid(ioc));
1501 bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa);
1502 bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req));
1503}
1504
1505void
1506bfa_nw_ioc_hb_check(void *cbarg)
1507{
1508 struct bfa_ioc *ioc = cbarg;
1509 u32 hb_count;
1510
1511 hb_count = readl(ioc->ioc_regs.heartbeat);
1512 if (ioc->hb_count == hb_count) {
1513 bfa_ioc_recover(ioc);
1514 return;
1515 } else {
1516 ioc->hb_count = hb_count;
1517 }
1518
1519 bfa_ioc_mbox_poll(ioc);
1520 mod_timer(&ioc->hb_timer, jiffies +
1521 msecs_to_jiffies(BFA_IOC_HB_TOV));
1522}
1523
1524static void
1525bfa_ioc_hb_monitor(struct bfa_ioc *ioc)
1526{
1527 ioc->hb_count = readl(ioc->ioc_regs.heartbeat);
1528 mod_timer(&ioc->hb_timer, jiffies +
1529 msecs_to_jiffies(BFA_IOC_HB_TOV));
1530}
1531
1532static void
1533bfa_ioc_hb_stop(struct bfa_ioc *ioc)
1534{
1535 del_timer(&ioc->hb_timer);
1536}
1537
1538/**
1539 * @brief
1540 * Initiate a full firmware download.
1541 */
1542static void
1543bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type,
1544 u32 boot_env)
1545{
1546 u32 *fwimg;
1547 u32 pgnum;
1548 u32 loff = 0;
1549 u32 chunkno = 0;
1550 u32 i;
1551
1552 /**
1553 * Initialize LMEM first before code download
1554 */
1555 bfa_ioc_lmem_init(ioc);
1556
1557 fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), chunkno);
1558
1559 pgnum = bfa_ioc_smem_pgnum(ioc, loff);
1560
1561 writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1562
1563 for (i = 0; i < bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)); i++) {
1564 if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) {
1565 chunkno = BFA_IOC_FLASH_CHUNK_NO(i);
1566 fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc),
1567 BFA_IOC_FLASH_CHUNK_ADDR(chunkno));
1568 }
1569
1570 /**
1571 * write smem
1572 */
1573 writel((swab32(fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)])),
1574 ((ioc->ioc_regs.smem_page_start) + (loff)));
1575
1576 loff += sizeof(u32);
1577
1578 /**
1579 * handle page offset wrap around
1580 */
1581 loff = PSS_SMEM_PGOFF(loff);
1582 if (loff == 0) {
1583 pgnum++;
1584 writel(pgnum,
1585 ioc->ioc_regs.host_page_num_fn);
1586 }
1587 }
1588
1589 writel(bfa_ioc_smem_pgnum(ioc, 0),
1590 ioc->ioc_regs.host_page_num_fn);
1591
1592 /*
1593 * Set boot type and boot param at the end.
1594 */
1595 writel(boot_type, ((ioc->ioc_regs.smem_page_start)
1596 + (BFI_BOOT_TYPE_OFF)));
1597 writel(boot_env, ((ioc->ioc_regs.smem_page_start)
1598 + (BFI_BOOT_LOADER_OFF)));
1599}
1600
1601static void
1602bfa_ioc_reset(struct bfa_ioc *ioc, bool force)
1603{
1604 bfa_ioc_hwinit(ioc, force);
1605}
1606
1607/**
1608 * @brief
1609 * Update BFA configuration from firmware configuration.
1610 */
1611static void
1612bfa_ioc_getattr_reply(struct bfa_ioc *ioc)
1613{
1614 struct bfi_ioc_attr *attr = ioc->attr;
1615
1616 attr->adapter_prop = ntohl(attr->adapter_prop);
1617 attr->card_type = ntohl(attr->card_type);
1618 attr->maxfrsize = ntohs(attr->maxfrsize);
1619
1620 bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR);
1621}
1622
1623/**
1624 * Attach time initialization of mbox logic.
1625 */
1626static void
1627bfa_ioc_mbox_attach(struct bfa_ioc *ioc)
1628{
1629 struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
1630 int mc;
1631
1632 INIT_LIST_HEAD(&mod->cmd_q);
1633 for (mc = 0; mc < BFI_MC_MAX; mc++) {
1634 mod->mbhdlr[mc].cbfn = NULL;
1635 mod->mbhdlr[mc].cbarg = ioc->bfa;
1636 }
1637}
1638
1639/**
1640 * Mbox poll timer -- restarts any pending mailbox requests.
1641 */
1642static void
1643bfa_ioc_mbox_poll(struct bfa_ioc *ioc)
1644{
1645 struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
1646 struct bfa_mbox_cmd *cmd;
1647 u32 stat;
1648
1649 /**
1650 * If no command pending, do nothing
1651 */
1652 if (list_empty(&mod->cmd_q))
1653 return;
1654
1655 /**
1656 * If previous command is not yet fetched by firmware, do nothing
1657 */
1658 stat = readl(ioc->ioc_regs.hfn_mbox_cmd);
1659 if (stat)
1660 return;
1661
1662 /**
1663 * Enqueue command to firmware.
1664 */
1665 bfa_q_deq(&mod->cmd_q, &cmd);
1666 bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg));
1667}
1668
1669/**
1670 * Cleanup any pending requests.
1671 */
1672static void
1673bfa_ioc_mbox_flush(struct bfa_ioc *ioc)
1674{
1675 struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
1676 struct bfa_mbox_cmd *cmd;
1677
1678 while (!list_empty(&mod->cmd_q))
1679 bfa_q_deq(&mod->cmd_q, &cmd);
1680}
1681
1682static void
1683bfa_ioc_fail_notify(struct bfa_ioc *ioc)
1684{
1685 /**
1686 * Notify driver and common modules registered for notification.
1687 */
1688 ioc->cbfn->hbfail_cbfn(ioc->bfa);
1689 bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED);
1690}
1691
1692static void
1693bfa_ioc_pf_enabled(struct bfa_ioc *ioc)
1694{
1695 bfa_fsm_send_event(ioc, IOC_E_ENABLED);
1696}
1697
1698static void
1699bfa_ioc_pf_disabled(struct bfa_ioc *ioc)
1700{
1701 bfa_fsm_send_event(ioc, IOC_E_DISABLED);
1702}
1703
1704static void
1705bfa_ioc_pf_initfailed(struct bfa_ioc *ioc)
1706{
1707 bfa_fsm_send_event(ioc, IOC_E_INITFAILED);
1708}
1709
1710static void
1711bfa_ioc_pf_failed(struct bfa_ioc *ioc)
1712{
1713 bfa_fsm_send_event(ioc, IOC_E_PFFAILED);
1714}
1715
1716static void
1717bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc)
1718{
1719 /**
1720 * Provide enable completion callback and AEN notification.
1721 */
1722 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
1723}
1724
1725/**
1726 * IOC public
1727 */
1728static enum bfa_status
1729bfa_ioc_pll_init(struct bfa_ioc *ioc)
1730{
1731 /*
1732 * Hold semaphore so that nobody can access the chip during init.
1733 */
1734 bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg);
1735
1736 bfa_ioc_pll_init_asic(ioc);
1737
1738 ioc->pllinit = true;
1739 /*
1740 * release semaphore.
1741 */
1742 bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg);
1743
1744 return BFA_STATUS_OK;
1745}
1746
1747/**
1748 * Interface used by diag module to do firmware boot with memory test
1749 * as the entry vector.
1750 */
1751static void
1752bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, u32 boot_env)
1753{
1754 void __iomem *rb;
1755
1756 bfa_ioc_stats(ioc, ioc_boots);
1757
1758 if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK)
1759 return;
1760
1761 /**
1762 * Initialize IOC state of all functions on a chip reset.
1763 */
1764 rb = ioc->pcidev.pci_bar_kva;
1765 if (boot_type == BFI_BOOT_TYPE_MEMTEST) {
1766 writel(BFI_IOC_MEMTEST, (rb + BFA_IOC0_STATE_REG));
1767 writel(BFI_IOC_MEMTEST, (rb + BFA_IOC1_STATE_REG));
1768 } else {
1769 writel(BFI_IOC_INITING, (rb + BFA_IOC0_STATE_REG));
1770 writel(BFI_IOC_INITING, (rb + BFA_IOC1_STATE_REG));
1771 }
1772
1773 bfa_ioc_msgflush(ioc);
1774 bfa_ioc_download_fw(ioc, boot_type, boot_env);
1775
1776 /**
1777 * Enable interrupts just before starting LPU
1778 */
1779 ioc->cbfn->reset_cbfn(ioc->bfa);
1780 bfa_ioc_lpu_start(ioc);
1781}
1782
1783/**
1784 * Enable/disable IOC failure auto recovery.
1785 */
1786void
1787bfa_nw_ioc_auto_recover(bool auto_recover)
1788{
1789 bfa_nw_auto_recover = auto_recover;
1790}
1791
1792static void
1793bfa_ioc_msgget(struct bfa_ioc *ioc, void *mbmsg)
1794{
1795 u32 *msgp = mbmsg;
1796 u32 r32;
1797 int i;
1798
1799 /**
1800 * read the MBOX msg
1801 */
1802 for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32));
1803 i++) {
1804 r32 = readl(ioc->ioc_regs.lpu_mbox +
1805 i * sizeof(u32));
1806 msgp[i] = htonl(r32);
1807 }
1808
1809 /**
1810 * turn off mailbox interrupt by clearing mailbox status
1811 */
1812 writel(1, ioc->ioc_regs.lpu_mbox_cmd);
1813 readl(ioc->ioc_regs.lpu_mbox_cmd);
1814}
1815
1816static void
1817bfa_ioc_isr(struct bfa_ioc *ioc, struct bfi_mbmsg *m)
1818{
1819 union bfi_ioc_i2h_msg_u *msg;
1820 struct bfa_iocpf *iocpf = &ioc->iocpf;
1821
1822 msg = (union bfi_ioc_i2h_msg_u *) m;
1823
1824 bfa_ioc_stats(ioc, ioc_isrs);
1825
1826 switch (msg->mh.msg_id) {
1827 case BFI_IOC_I2H_HBEAT:
1828 break;
1829
1830 case BFI_IOC_I2H_READY_EVENT:
1831 bfa_fsm_send_event(iocpf, IOCPF_E_FWREADY);
1832 break;
1833
1834 case BFI_IOC_I2H_ENABLE_REPLY:
1835 bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE);
1836 break;
1837
1838 case BFI_IOC_I2H_DISABLE_REPLY:
1839 bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE);
1840 break;
1841
1842 case BFI_IOC_I2H_GETATTR_REPLY:
1843 bfa_ioc_getattr_reply(ioc);
1844 break;
1845
1846 default:
1847 BUG_ON(1);
1848 }
1849}
1850
1851/**
1852 * IOC attach time initialization and setup.
1853 *
1854 * @param[in] ioc memory for IOC
1855 * @param[in] bfa driver instance structure
1856 */
1857void
1858bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, struct bfa_ioc_cbfn *cbfn)
1859{
1860 ioc->bfa = bfa;
1861 ioc->cbfn = cbfn;
1862 ioc->fcmode = false;
1863 ioc->pllinit = false;
1864 ioc->dbg_fwsave_once = true;
1865 ioc->iocpf.ioc = ioc;
1866
1867 bfa_ioc_mbox_attach(ioc);
1868 INIT_LIST_HEAD(&ioc->notify_q);
1869
1870 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
1871 bfa_fsm_send_event(ioc, IOC_E_RESET);
1872}
1873
1874/**
1875 * Driver detach time IOC cleanup.
1876 */
1877void
1878bfa_nw_ioc_detach(struct bfa_ioc *ioc)
1879{
1880 bfa_fsm_send_event(ioc, IOC_E_DETACH);
1881}
1882
1883/**
1884 * Setup IOC PCI properties.
1885 *
1886 * @param[in] pcidev PCI device information for this IOC
1887 */
1888void
1889bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev,
1890 enum bfi_mclass mc)
1891{
1892 ioc->ioc_mc = mc;
1893 ioc->pcidev = *pcidev;
1894 ioc->ctdev = bfa_asic_id_ct(ioc->pcidev.device_id);
1895 ioc->cna = ioc->ctdev && !ioc->fcmode;
1896
1897 bfa_nw_ioc_set_ct_hwif(ioc);
1898
1899 bfa_ioc_map_port(ioc);
1900 bfa_ioc_reg_init(ioc);
1901}
1902
1903/**
1904 * Initialize IOC dma memory
1905 *
1906 * @param[in] dm_kva kernel virtual address of IOC dma memory
1907 * @param[in] dm_pa physical address of IOC dma memory
1908 */
1909void
1910bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa)
1911{
1912 /**
1913 * dma memory for firmware attribute
1914 */
1915 ioc->attr_dma.kva = dm_kva;
1916 ioc->attr_dma.pa = dm_pa;
1917 ioc->attr = (struct bfi_ioc_attr *) dm_kva;
1918}
1919
1920/**
1921 * Return size of dma memory required.
1922 */
1923u32
1924bfa_nw_ioc_meminfo(void)
1925{
1926 return roundup(sizeof(struct bfi_ioc_attr), BFA_DMA_ALIGN_SZ);
1927}
1928
1929void
1930bfa_nw_ioc_enable(struct bfa_ioc *ioc)
1931{
1932 bfa_ioc_stats(ioc, ioc_enables);
1933 ioc->dbg_fwsave_once = true;
1934
1935 bfa_fsm_send_event(ioc, IOC_E_ENABLE);
1936}
1937
1938void
1939bfa_nw_ioc_disable(struct bfa_ioc *ioc)
1940{
1941 bfa_ioc_stats(ioc, ioc_disables);
1942 bfa_fsm_send_event(ioc, IOC_E_DISABLE);
1943}
1944
1945static u32
1946bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr)
1947{
1948 return PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, fmaddr);
1949}
1950
1951/**
1952 * Register mailbox message handler function, to be called by common modules
1953 */
1954void
1955bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc,
1956 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg)
1957{
1958 struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
1959
1960 mod->mbhdlr[mc].cbfn = cbfn;
1961 mod->mbhdlr[mc].cbarg = cbarg;
1962}
1963
1964/**
1965 * Queue a mailbox command request to firmware. Waits if mailbox is busy.
1966 * Responsibility of caller to serialize
1967 *
1968 * @param[in] ioc IOC instance
1969 * @param[i] cmd Mailbox command
1970 */
1971void
1972bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd)
1973{
1974 struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
1975 u32 stat;
1976
1977 /**
1978 * If a previous command is pending, queue new command
1979 */
1980 if (!list_empty(&mod->cmd_q)) {
1981 list_add_tail(&cmd->qe, &mod->cmd_q);
1982 return;
1983 }
1984
1985 /**
1986 * If mailbox is busy, queue command for poll timer
1987 */
1988 stat = readl(ioc->ioc_regs.hfn_mbox_cmd);
1989 if (stat) {
1990 list_add_tail(&cmd->qe, &mod->cmd_q);
1991 return;
1992 }
1993
1994 /**
1995 * mailbox is free -- queue command to firmware
1996 */
1997 bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg));
1998
1999 return;
2000}
2001
2002/**
2003 * Handle mailbox interrupts
2004 */
2005void
2006bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc)
2007{
2008 struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
2009 struct bfi_mbmsg m;
2010 int mc;
2011
2012 bfa_ioc_msgget(ioc, &m);
2013
2014 /**
2015 * Treat IOC message class as special.
2016 */
2017 mc = m.mh.msg_class;
2018 if (mc == BFI_MC_IOC) {
2019 bfa_ioc_isr(ioc, &m);
2020 return;
2021 }
2022
2023 if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL))
2024 return;
2025
2026 mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m);
2027}
2028
2029void
2030bfa_nw_ioc_error_isr(struct bfa_ioc *ioc)
2031{
2032 bfa_ioc_stats(ioc, ioc_hbfails);
2033 bfa_ioc_stats_hb_count(ioc, ioc->hb_count);
2034 bfa_fsm_send_event(ioc, IOC_E_HWERROR);
2035}
2036
2037/**
2038 * return true if IOC is disabled
2039 */
2040bool
2041bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc)
2042{
2043 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) ||
2044 bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled);
2045}
2046
2047/**
2048 * Add to IOC heartbeat failure notification queue. To be used by common
2049 * modules such as cee, port, diag.
2050 */
2051void
2052bfa_nw_ioc_notify_register(struct bfa_ioc *ioc,
2053 struct bfa_ioc_notify *notify)
2054{
2055 list_add_tail(&notify->qe, &ioc->notify_q);
2056}
2057
2058#define BFA_MFG_NAME "Brocade"
2059static void
2060bfa_ioc_get_adapter_attr(struct bfa_ioc *ioc,
2061 struct bfa_adapter_attr *ad_attr)
2062{
2063 struct bfi_ioc_attr *ioc_attr;
2064
2065 ioc_attr = ioc->attr;
2066
2067 bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num);
2068 bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver);
2069 bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver);
2070 bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer);
2071 memcpy(&ad_attr->vpd, &ioc_attr->vpd,
2072 sizeof(struct bfa_mfg_vpd));
2073
2074 ad_attr->nports = bfa_ioc_get_nports(ioc);
2075 ad_attr->max_speed = bfa_ioc_speed_sup(ioc);
2076
2077 bfa_ioc_get_adapter_model(ioc, ad_attr->model);
2078 /* For now, model descr uses same model string */
2079 bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr);
2080
2081 ad_attr->card_type = ioc_attr->card_type;
2082 ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type);
2083
2084 if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop))
2085 ad_attr->prototype = 1;
2086 else
2087 ad_attr->prototype = 0;
2088
2089 ad_attr->pwwn = bfa_ioc_get_pwwn(ioc);
2090 ad_attr->mac = bfa_nw_ioc_get_mac(ioc);
2091
2092 ad_attr->pcie_gen = ioc_attr->pcie_gen;
2093 ad_attr->pcie_lanes = ioc_attr->pcie_lanes;
2094 ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig;
2095 ad_attr->asic_rev = ioc_attr->asic_rev;
2096
2097 bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver);
2098
2099 ad_attr->cna_capable = ioc->cna;
2100 ad_attr->trunk_capable = (ad_attr->nports > 1) && !ioc->cna;
2101}
2102
2103static enum bfa_ioc_type
2104bfa_ioc_get_type(struct bfa_ioc *ioc)
2105{
2106 if (!ioc->ctdev || ioc->fcmode)
2107 return BFA_IOC_TYPE_FC;
2108 else if (ioc->ioc_mc == BFI_MC_IOCFC)
2109 return BFA_IOC_TYPE_FCoE;
2110 else if (ioc->ioc_mc == BFI_MC_LL)
2111 return BFA_IOC_TYPE_LL;
2112 else {
2113 BUG_ON(!(ioc->ioc_mc == BFI_MC_LL));
2114 return BFA_IOC_TYPE_LL;
2115 }
2116}
2117
2118static void
2119bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, char *serial_num)
2120{
2121 memset(serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN);
2122 memcpy(serial_num,
2123 (void *)ioc->attr->brcd_serialnum,
2124 BFA_ADAPTER_SERIAL_NUM_LEN);
2125}
2126
2127static void
2128bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, char *fw_ver)
2129{
2130 memset(fw_ver, 0, BFA_VERSION_LEN);
2131 memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN);
2132}
2133
2134static void
2135bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, char *chip_rev)
2136{
2137 BUG_ON(!(chip_rev));
2138
2139 memset(chip_rev, 0, BFA_IOC_CHIP_REV_LEN);
2140
2141 chip_rev[0] = 'R';
2142 chip_rev[1] = 'e';
2143 chip_rev[2] = 'v';
2144 chip_rev[3] = '-';
2145 chip_rev[4] = ioc->attr->asic_rev;
2146 chip_rev[5] = '\0';
2147}
2148
2149static void
2150bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, char *optrom_ver)
2151{
2152 memset(optrom_ver, 0, BFA_VERSION_LEN);
2153 memcpy(optrom_ver, ioc->attr->optrom_version,
2154 BFA_VERSION_LEN);
2155}
2156
2157static void
2158bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, char *manufacturer)
2159{
2160 memset(manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN);
2161 memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN);
2162}
2163
2164static void
2165bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model)
2166{
2167 struct bfi_ioc_attr *ioc_attr;
2168
2169 BUG_ON(!(model));
2170 memset(model, 0, BFA_ADAPTER_MODEL_NAME_LEN);
2171
2172 ioc_attr = ioc->attr;
2173
2174 /**
2175 * model name
2176 */
2177 snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u",
2178 BFA_MFG_NAME, ioc_attr->card_type);
2179}
2180
2181static enum bfa_ioc_state
2182bfa_ioc_get_state(struct bfa_ioc *ioc)
2183{
2184 enum bfa_iocpf_state iocpf_st;
2185 enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm);
2186
2187 if (ioc_st == BFA_IOC_ENABLING ||
2188 ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) {
2189
2190 iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm);
2191
2192 switch (iocpf_st) {
2193 case BFA_IOCPF_SEMWAIT:
2194 ioc_st = BFA_IOC_SEMWAIT;
2195 break;
2196
2197 case BFA_IOCPF_HWINIT:
2198 ioc_st = BFA_IOC_HWINIT;
2199 break;
2200
2201 case BFA_IOCPF_FWMISMATCH:
2202 ioc_st = BFA_IOC_FWMISMATCH;
2203 break;
2204
2205 case BFA_IOCPF_FAIL:
2206 ioc_st = BFA_IOC_FAIL;
2207 break;
2208
2209 case BFA_IOCPF_INITFAIL:
2210 ioc_st = BFA_IOC_INITFAIL;
2211 break;
2212
2213 default:
2214 break;
2215 }
2216 }
2217 return ioc_st;
2218}
2219
2220void
2221bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr)
2222{
2223 memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr));
2224
2225 ioc_attr->state = bfa_ioc_get_state(ioc);
2226 ioc_attr->port_id = ioc->port_id;
2227
2228 ioc_attr->ioc_type = bfa_ioc_get_type(ioc);
2229
2230 bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr);
2231
2232 ioc_attr->pci_attr.device_id = ioc->pcidev.device_id;
2233 ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func;
2234 bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev);
2235}
2236
2237/**
2238 * WWN public
2239 */
2240static u64
2241bfa_ioc_get_pwwn(struct bfa_ioc *ioc)
2242{
2243 return ioc->attr->pwwn;
2244}
2245
2246mac_t
2247bfa_nw_ioc_get_mac(struct bfa_ioc *ioc)
2248{
2249 return ioc->attr->mac;
2250}
2251
2252/**
2253 * Firmware failure detected. Start recovery actions.
2254 */
2255static void
2256bfa_ioc_recover(struct bfa_ioc *ioc)
2257{
2258 pr_crit("Heart Beat of IOC has failed\n");
2259 bfa_ioc_stats(ioc, ioc_hbfails);
2260 bfa_ioc_stats_hb_count(ioc, ioc->hb_count);
2261 bfa_fsm_send_event(ioc, IOC_E_HBFAIL);
2262}
2263
2264static void
2265bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc)
2266{
2267 if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_LL)
2268 return;
2269}
2270
2271/**
2272 * @dg hal_iocpf_pvt BFA IOC PF private functions
2273 * @{
2274 */
2275
2276static void
2277bfa_iocpf_enable(struct bfa_ioc *ioc)
2278{
2279 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE);
2280}
2281
2282static void
2283bfa_iocpf_disable(struct bfa_ioc *ioc)
2284{
2285 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE);
2286}
2287
2288static void
2289bfa_iocpf_fail(struct bfa_ioc *ioc)
2290{
2291 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL);
2292}
2293
2294static void
2295bfa_iocpf_initfail(struct bfa_ioc *ioc)
2296{
2297 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
2298}
2299
2300static void
2301bfa_iocpf_getattrfail(struct bfa_ioc *ioc)
2302{
2303 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL);
2304}
2305
2306static void
2307bfa_iocpf_stop(struct bfa_ioc *ioc)
2308{
2309 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
2310}
2311
2312void
2313bfa_nw_iocpf_timeout(void *ioc_arg)
2314{
2315 struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg;
2316
2317 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT);
2318}
2319
2320void
2321bfa_nw_iocpf_sem_timeout(void *ioc_arg)
2322{
2323 struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg;
2324
2325 bfa_ioc_hw_sem_get(ioc);
2326}
diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.h b/drivers/net/ethernet/brocade/bna/bfa_ioc.h
new file mode 100644
index 000000000000..bda866ba6e90
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.h
@@ -0,0 +1,315 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#ifndef __BFA_IOC_H__
20#define __BFA_IOC_H__
21
22#include "bfa_cs.h"
23#include "bfi.h"
24#include "cna.h"
25
26#define BFA_IOC_TOV 3000 /* msecs */
27#define BFA_IOC_HWSEM_TOV 500 /* msecs */
28#define BFA_IOC_HB_TOV 500 /* msecs */
29#define BFA_IOC_HWINIT_MAX 5
30
31/**
32 * PCI device information required by IOC
33 */
34struct bfa_pcidev {
35 int pci_slot;
36 u8 pci_func;
37 u16 device_id;
38 void __iomem *pci_bar_kva;
39};
40
41/**
42 * Structure used to remember the DMA-able memory block's KVA and Physical
43 * Address
44 */
45struct bfa_dma {
46 void *kva; /* ! Kernel virtual address */
47 u64 pa; /* ! Physical address */
48};
49
50#define BFA_DMA_ALIGN_SZ 256
51
52/**
53 * smem size for Crossbow and Catapult
54 */
55#define BFI_SMEM_CB_SIZE 0x200000U /* ! 2MB for crossbow */
56#define BFI_SMEM_CT_SIZE 0x280000U /* ! 2.5MB for catapult */
57
58/**
59 * @brief BFA dma address assignment macro. (big endian format)
60 */
61#define bfa_dma_be_addr_set(dma_addr, pa) \
62 __bfa_dma_be_addr_set(&dma_addr, (u64)pa)
63static inline void
64__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
65{
66 dma_addr->a32.addr_lo = (u32) htonl(pa);
67 dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa));
68}
69
70struct bfa_ioc_regs {
71 void __iomem *hfn_mbox_cmd;
72 void __iomem *hfn_mbox;
73 void __iomem *lpu_mbox_cmd;
74 void __iomem *lpu_mbox;
75 void __iomem *pss_ctl_reg;
76 void __iomem *pss_err_status_reg;
77 void __iomem *app_pll_fast_ctl_reg;
78 void __iomem *app_pll_slow_ctl_reg;
79 void __iomem *ioc_sem_reg;
80 void __iomem *ioc_usage_sem_reg;
81 void __iomem *ioc_init_sem_reg;
82 void __iomem *ioc_usage_reg;
83 void __iomem *host_page_num_fn;
84 void __iomem *heartbeat;
85 void __iomem *ioc_fwstate;
86 void __iomem *alt_ioc_fwstate;
87 void __iomem *ll_halt;
88 void __iomem *alt_ll_halt;
89 void __iomem *err_set;
90 void __iomem *ioc_fail_sync;
91 void __iomem *shirq_isr_next;
92 void __iomem *shirq_msk_next;
93 void __iomem *smem_page_start;
94 u32 smem_pg0;
95};
96
97/**
98 * IOC Mailbox structures
99 */
100typedef void (*bfa_mbox_cmd_cbfn_t)(void *cbarg);
101struct bfa_mbox_cmd {
102 struct list_head qe;
103 bfa_mbox_cmd_cbfn_t cbfn;
104 void *cbarg;
105 u32 msg[BFI_IOC_MSGSZ];
106};
107
108/**
109 * IOC mailbox module
110 */
111typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m);
112struct bfa_ioc_mbox_mod {
113 struct list_head cmd_q; /*!< pending mbox queue */
114 int nmclass; /*!< number of handlers */
115 struct {
116 bfa_ioc_mbox_mcfunc_t cbfn; /*!< message handlers */
117 void *cbarg;
118 } mbhdlr[BFI_MC_MAX];
119};
120
121/**
122 * IOC callback function interfaces
123 */
124typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status);
125typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa);
126typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa);
127typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa);
128struct bfa_ioc_cbfn {
129 bfa_ioc_enable_cbfn_t enable_cbfn;
130 bfa_ioc_disable_cbfn_t disable_cbfn;
131 bfa_ioc_hbfail_cbfn_t hbfail_cbfn;
132 bfa_ioc_reset_cbfn_t reset_cbfn;
133};
134
135/**
136 * IOC event notification mechanism.
137 */
138enum bfa_ioc_event {
139 BFA_IOC_E_ENABLED = 1,
140 BFA_IOC_E_DISABLED = 2,
141 BFA_IOC_E_FAILED = 3,
142};
143
144typedef void (*bfa_ioc_notify_cbfn_t)(void *, enum bfa_ioc_event);
145
146struct bfa_ioc_notify {
147 struct list_head qe;
148 bfa_ioc_notify_cbfn_t cbfn;
149 void *cbarg;
150};
151
152/**
153 * Heartbeat failure notification queue element.
154 */
155struct bfa_ioc_hbfail_notify {
156 struct list_head qe;
157 bfa_ioc_hbfail_cbfn_t cbfn;
158 void *cbarg;
159};
160
161/**
162 * Initialize a heartbeat failure notification structure
163 */
164#define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do { \
165 (__notify)->cbfn = (__cbfn); \
166 (__notify)->cbarg = (__cbarg); \
167} while (0)
168
169struct bfa_iocpf {
170 bfa_fsm_t fsm;
171 struct bfa_ioc *ioc;
172 u32 retry_count;
173 bool auto_recover;
174};
175
176struct bfa_ioc {
177 bfa_fsm_t fsm;
178 struct bfa *bfa;
179 struct bfa_pcidev pcidev;
180 struct timer_list ioc_timer;
181 struct timer_list iocpf_timer;
182 struct timer_list sem_timer;
183 struct timer_list hb_timer;
184 u32 hb_count;
185 struct list_head notify_q;
186 void *dbg_fwsave;
187 int dbg_fwsave_len;
188 bool dbg_fwsave_once;
189 enum bfi_mclass ioc_mc;
190 struct bfa_ioc_regs ioc_regs;
191 struct bfa_ioc_drv_stats stats;
192 bool fcmode;
193 bool ctdev;
194 bool cna;
195 bool pllinit;
196 bool stats_busy; /*!< outstanding stats */
197 u8 port_id;
198
199 struct bfa_dma attr_dma;
200 struct bfi_ioc_attr *attr;
201 struct bfa_ioc_cbfn *cbfn;
202 struct bfa_ioc_mbox_mod mbox_mod;
203 struct bfa_ioc_hwif *ioc_hwif;
204 struct bfa_iocpf iocpf;
205};
206
207struct bfa_ioc_hwif {
208 enum bfa_status (*ioc_pll_init) (void __iomem *rb, bool fcmode);
209 bool (*ioc_firmware_lock) (struct bfa_ioc *ioc);
210 void (*ioc_firmware_unlock) (struct bfa_ioc *ioc);
211 void (*ioc_reg_init) (struct bfa_ioc *ioc);
212 void (*ioc_map_port) (struct bfa_ioc *ioc);
213 void (*ioc_isr_mode_set) (struct bfa_ioc *ioc,
214 bool msix);
215 void (*ioc_notify_fail) (struct bfa_ioc *ioc);
216 void (*ioc_ownership_reset) (struct bfa_ioc *ioc);
217 bool (*ioc_sync_start) (struct bfa_ioc *ioc);
218 void (*ioc_sync_join) (struct bfa_ioc *ioc);
219 void (*ioc_sync_leave) (struct bfa_ioc *ioc);
220 void (*ioc_sync_ack) (struct bfa_ioc *ioc);
221 bool (*ioc_sync_complete) (struct bfa_ioc *ioc);
222};
223
224#define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func)
225#define bfa_ioc_devid(__ioc) ((__ioc)->pcidev.device_id)
226#define bfa_ioc_bar0(__ioc) ((__ioc)->pcidev.pci_bar_kva)
227#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
228#define bfa_ioc_fetch_stats(__ioc, __stats) \
229 (((__stats)->drv_stats) = (__ioc)->stats)
230#define bfa_ioc_clr_stats(__ioc) \
231 memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats))
232#define bfa_ioc_maxfrsize(__ioc) ((__ioc)->attr->maxfrsize)
233#define bfa_ioc_rx_bbcredit(__ioc) ((__ioc)->attr->rx_bbcredit)
234#define bfa_ioc_speed_sup(__ioc) \
235 BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
236#define bfa_ioc_get_nports(__ioc) \
237 BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop)
238
239#define bfa_ioc_stats(_ioc, _stats) ((_ioc)->stats._stats++)
240#define bfa_ioc_stats_hb_count(_ioc, _hb_count) \
241 ((_ioc)->stats.hb_count = (_hb_count))
242#define BFA_IOC_FWIMG_MINSZ (16 * 1024)
243#define BFA_IOC_FWIMG_TYPE(__ioc) \
244 (((__ioc)->ctdev) ? \
245 (((__ioc)->fcmode) ? BFI_IMAGE_CT_FC : BFI_IMAGE_CT_CNA) : \
246 BFI_IMAGE_CB_FC)
247#define BFA_IOC_FW_SMEM_SIZE(__ioc) \
248 (((__ioc)->ctdev) ? BFI_SMEM_CT_SIZE : BFI_SMEM_CB_SIZE)
249#define BFA_IOC_FLASH_CHUNK_NO(off) (off / BFI_FLASH_CHUNK_SZ_WORDS)
250#define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off) (off % BFI_FLASH_CHUNK_SZ_WORDS)
251#define BFA_IOC_FLASH_CHUNK_ADDR(chunkno) (chunkno * BFI_FLASH_CHUNK_SZ_WORDS)
252
253/**
254 * IOC mailbox interface
255 */
256void bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd);
257void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc);
258void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc,
259 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);
260
261/**
262 * IOC interfaces
263 */
264
265#define bfa_ioc_pll_init_asic(__ioc) \
266 ((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \
267 (__ioc)->fcmode))
268
269#define bfa_ioc_isr_mode_set(__ioc, __msix) \
270 ((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix))
271#define bfa_ioc_ownership_reset(__ioc) \
272 ((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc))
273
274void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc);
275
276void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa,
277 struct bfa_ioc_cbfn *cbfn);
278void bfa_nw_ioc_auto_recover(bool auto_recover);
279void bfa_nw_ioc_detach(struct bfa_ioc *ioc);
280void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev,
281 enum bfi_mclass mc);
282u32 bfa_nw_ioc_meminfo(void);
283void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa);
284void bfa_nw_ioc_enable(struct bfa_ioc *ioc);
285void bfa_nw_ioc_disable(struct bfa_ioc *ioc);
286
287void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc);
288bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc);
289void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr);
290void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc,
291 struct bfa_ioc_notify *notify);
292bool bfa_nw_ioc_sem_get(void __iomem *sem_reg);
293void bfa_nw_ioc_sem_release(void __iomem *sem_reg);
294void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc);
295void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc,
296 struct bfi_ioc_image_hdr *fwhdr);
297bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc,
298 struct bfi_ioc_image_hdr *fwhdr);
299mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc);
300
301/*
302 * Timeout APIs
303 */
304void bfa_nw_ioc_timeout(void *ioc);
305void bfa_nw_ioc_hb_check(void *ioc);
306void bfa_nw_iocpf_timeout(void *ioc);
307void bfa_nw_iocpf_sem_timeout(void *ioc);
308
309/*
310 * F/W Image Size & Chunk
311 */
312u32 *bfa_cb_image_get_chunk(int type, u32 off);
313u32 bfa_cb_image_get_size(int type);
314
315#endif /* __BFA_IOC_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c b/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c
new file mode 100644
index 000000000000..209f1f320343
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c
@@ -0,0 +1,512 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#include "bfa_ioc.h"
20#include "cna.h"
21#include "bfi.h"
22#include "bfi_reg.h"
23#include "bfa_defs.h"
24
25#define bfa_ioc_ct_sync_pos(__ioc) \
26 ((u32) (1 << bfa_ioc_pcifn(__ioc)))
27#define BFA_IOC_SYNC_REQD_SH 16
28#define bfa_ioc_ct_get_sync_ackd(__val) (__val & 0x0000ffff)
29#define bfa_ioc_ct_clear_sync_ackd(__val) (__val & 0xffff0000)
30#define bfa_ioc_ct_get_sync_reqd(__val) (__val >> BFA_IOC_SYNC_REQD_SH)
31#define bfa_ioc_ct_sync_reqd_pos(__ioc) \
32 (bfa_ioc_ct_sync_pos(__ioc) << BFA_IOC_SYNC_REQD_SH)
33
34/*
35 * forward declarations
36 */
37static bool bfa_ioc_ct_firmware_lock(struct bfa_ioc *ioc);
38static void bfa_ioc_ct_firmware_unlock(struct bfa_ioc *ioc);
39static void bfa_ioc_ct_reg_init(struct bfa_ioc *ioc);
40static void bfa_ioc_ct_map_port(struct bfa_ioc *ioc);
41static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc *ioc, bool msix);
42static void bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc);
43static void bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc);
44static bool bfa_ioc_ct_sync_start(struct bfa_ioc *ioc);
45static void bfa_ioc_ct_sync_join(struct bfa_ioc *ioc);
46static void bfa_ioc_ct_sync_leave(struct bfa_ioc *ioc);
47static void bfa_ioc_ct_sync_ack(struct bfa_ioc *ioc);
48static bool bfa_ioc_ct_sync_complete(struct bfa_ioc *ioc);
49static enum bfa_status bfa_ioc_ct_pll_init(void __iomem *rb, bool fcmode);
50
51static struct bfa_ioc_hwif nw_hwif_ct;
52
53static void
54bfa_ioc_set_ctx_hwif(struct bfa_ioc *ioc, struct bfa_ioc_hwif *hwif)
55{
56 hwif->ioc_firmware_lock = bfa_ioc_ct_firmware_lock;
57 hwif->ioc_firmware_unlock = bfa_ioc_ct_firmware_unlock;
58 hwif->ioc_notify_fail = bfa_ioc_ct_notify_fail;
59 hwif->ioc_ownership_reset = bfa_ioc_ct_ownership_reset;
60 hwif->ioc_sync_start = bfa_ioc_ct_sync_start;
61 hwif->ioc_sync_join = bfa_ioc_ct_sync_join;
62 hwif->ioc_sync_leave = bfa_ioc_ct_sync_leave;
63 hwif->ioc_sync_ack = bfa_ioc_ct_sync_ack;
64 hwif->ioc_sync_complete = bfa_ioc_ct_sync_complete;
65}
66
67/**
68 * Called from bfa_ioc_attach() to map asic specific calls.
69 */
70void
71bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc)
72{
73 bfa_ioc_set_ctx_hwif(ioc, &nw_hwif_ct);
74
75 nw_hwif_ct.ioc_pll_init = bfa_ioc_ct_pll_init;
76 nw_hwif_ct.ioc_reg_init = bfa_ioc_ct_reg_init;
77 nw_hwif_ct.ioc_map_port = bfa_ioc_ct_map_port;
78 nw_hwif_ct.ioc_isr_mode_set = bfa_ioc_ct_isr_mode_set;
79 ioc->ioc_hwif = &nw_hwif_ct;
80}
81
82/**
83 * Return true if firmware of current driver matches the running firmware.
84 */
85static bool
86bfa_ioc_ct_firmware_lock(struct bfa_ioc *ioc)
87{
88 enum bfi_ioc_state ioc_fwstate;
89 u32 usecnt;
90 struct bfi_ioc_image_hdr fwhdr;
91
92 /**
93 * If bios boot (flash based) -- do not increment usage count
94 */
95 if (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) <
96 BFA_IOC_FWIMG_MINSZ)
97 return true;
98
99 bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
100 usecnt = readl(ioc->ioc_regs.ioc_usage_reg);
101
102 /**
103 * If usage count is 0, always return TRUE.
104 */
105 if (usecnt == 0) {
106 writel(1, ioc->ioc_regs.ioc_usage_reg);
107 bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
108 writel(0, ioc->ioc_regs.ioc_fail_sync);
109 return true;
110 }
111
112 ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate);
113
114 /**
115 * Use count cannot be non-zero and chip in uninitialized state.
116 */
117 BUG_ON(!(ioc_fwstate != BFI_IOC_UNINIT));
118
119 /**
120 * Check if another driver with a different firmware is active
121 */
122 bfa_nw_ioc_fwver_get(ioc, &fwhdr);
123 if (!bfa_nw_ioc_fwver_cmp(ioc, &fwhdr)) {
124 bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
125 return false;
126 }
127
128 /**
129 * Same firmware version. Increment the reference count.
130 */
131 usecnt++;
132 writel(usecnt, ioc->ioc_regs.ioc_usage_reg);
133 bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
134 return true;
135}
136
137static void
138bfa_ioc_ct_firmware_unlock(struct bfa_ioc *ioc)
139{
140 u32 usecnt;
141
142 /**
143 * If bios boot (flash based) -- do not decrement usage count
144 */
145 if (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)) <
146 BFA_IOC_FWIMG_MINSZ)
147 return;
148
149 /**
150 * decrement usage count
151 */
152 bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
153 usecnt = readl(ioc->ioc_regs.ioc_usage_reg);
154 BUG_ON(!(usecnt > 0));
155
156 usecnt--;
157 writel(usecnt, ioc->ioc_regs.ioc_usage_reg);
158
159 bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
160}
161
162/**
163 * Notify other functions on HB failure.
164 */
165static void
166bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc)
167{
168 if (ioc->cna) {
169 writel(__FW_INIT_HALT_P, ioc->ioc_regs.ll_halt);
170 writel(__FW_INIT_HALT_P, ioc->ioc_regs.alt_ll_halt);
171 /* Wait for halt to take effect */
172 readl(ioc->ioc_regs.ll_halt);
173 readl(ioc->ioc_regs.alt_ll_halt);
174 } else {
175 writel(~0U, ioc->ioc_regs.err_set);
176 readl(ioc->ioc_regs.err_set);
177 }
178}
179
180/**
181 * Host to LPU mailbox message addresses
182 */
183static struct { u32 hfn_mbox, lpu_mbox, hfn_pgn; } iocreg_fnreg[] = {
184 { HOSTFN0_LPU_MBOX0_0, LPU_HOSTFN0_MBOX0_0, HOST_PAGE_NUM_FN0 },
185 { HOSTFN1_LPU_MBOX0_8, LPU_HOSTFN1_MBOX0_8, HOST_PAGE_NUM_FN1 },
186 { HOSTFN2_LPU_MBOX0_0, LPU_HOSTFN2_MBOX0_0, HOST_PAGE_NUM_FN2 },
187 { HOSTFN3_LPU_MBOX0_8, LPU_HOSTFN3_MBOX0_8, HOST_PAGE_NUM_FN3 }
188};
189
190/**
191 * Host <-> LPU mailbox command/status registers - port 0
192 */
193static struct { u32 hfn, lpu; } ct_p0reg[] = {
194 { HOSTFN0_LPU0_CMD_STAT, LPU0_HOSTFN0_CMD_STAT },
195 { HOSTFN1_LPU0_CMD_STAT, LPU0_HOSTFN1_CMD_STAT },
196 { HOSTFN2_LPU0_CMD_STAT, LPU0_HOSTFN2_CMD_STAT },
197 { HOSTFN3_LPU0_CMD_STAT, LPU0_HOSTFN3_CMD_STAT }
198};
199
200/**
201 * Host <-> LPU mailbox command/status registers - port 1
202 */
203static struct { u32 hfn, lpu; } ct_p1reg[] = {
204 { HOSTFN0_LPU1_CMD_STAT, LPU1_HOSTFN0_CMD_STAT },
205 { HOSTFN1_LPU1_CMD_STAT, LPU1_HOSTFN1_CMD_STAT },
206 { HOSTFN2_LPU1_CMD_STAT, LPU1_HOSTFN2_CMD_STAT },
207 { HOSTFN3_LPU1_CMD_STAT, LPU1_HOSTFN3_CMD_STAT }
208};
209
210static void
211bfa_ioc_ct_reg_init(struct bfa_ioc *ioc)
212{
213 void __iomem *rb;
214 int pcifn = bfa_ioc_pcifn(ioc);
215
216 rb = bfa_ioc_bar0(ioc);
217
218 ioc->ioc_regs.hfn_mbox = rb + iocreg_fnreg[pcifn].hfn_mbox;
219 ioc->ioc_regs.lpu_mbox = rb + iocreg_fnreg[pcifn].lpu_mbox;
220 ioc->ioc_regs.host_page_num_fn = rb + iocreg_fnreg[pcifn].hfn_pgn;
221
222 if (ioc->port_id == 0) {
223 ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG;
224 ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG;
225 ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC1_STATE_REG;
226 ioc->ioc_regs.hfn_mbox_cmd = rb + ct_p0reg[pcifn].hfn;
227 ioc->ioc_regs.lpu_mbox_cmd = rb + ct_p0reg[pcifn].lpu;
228 ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P0;
229 ioc->ioc_regs.alt_ll_halt = rb + FW_INIT_HALT_P1;
230 } else {
231 ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG);
232 ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG);
233 ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC0_STATE_REG;
234 ioc->ioc_regs.hfn_mbox_cmd = rb + ct_p1reg[pcifn].hfn;
235 ioc->ioc_regs.lpu_mbox_cmd = rb + ct_p1reg[pcifn].lpu;
236 ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P1;
237 ioc->ioc_regs.alt_ll_halt = rb + FW_INIT_HALT_P0;
238 }
239
240 /*
241 * PSS control registers
242 */
243 ioc->ioc_regs.pss_ctl_reg = (rb + PSS_CTL_REG);
244 ioc->ioc_regs.pss_err_status_reg = (rb + PSS_ERR_STATUS_REG);
245 ioc->ioc_regs.app_pll_fast_ctl_reg = (rb + APP_PLL_LCLK_CTL_REG);
246 ioc->ioc_regs.app_pll_slow_ctl_reg = (rb + APP_PLL_SCLK_CTL_REG);
247
248 /*
249 * IOC semaphore registers and serialization
250 */
251 ioc->ioc_regs.ioc_sem_reg = (rb + HOST_SEM0_REG);
252 ioc->ioc_regs.ioc_usage_sem_reg = (rb + HOST_SEM1_REG);
253 ioc->ioc_regs.ioc_init_sem_reg = (rb + HOST_SEM2_REG);
254 ioc->ioc_regs.ioc_usage_reg = (rb + BFA_FW_USE_COUNT);
255 ioc->ioc_regs.ioc_fail_sync = (rb + BFA_IOC_FAIL_SYNC);
256
257 /**
258 * sram memory access
259 */
260 ioc->ioc_regs.smem_page_start = (rb + PSS_SMEM_PAGE_START);
261 ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CT;
262
263 /*
264 * err set reg : for notification of hb failure in fcmode
265 */
266 ioc->ioc_regs.err_set = (rb + ERR_SET_REG);
267}
268
269/**
270 * Initialize IOC to port mapping.
271 */
272
273#define FNC_PERS_FN_SHIFT(__fn) ((__fn) * 8)
274static void
275bfa_ioc_ct_map_port(struct bfa_ioc *ioc)
276{
277 void __iomem *rb = ioc->pcidev.pci_bar_kva;
278 u32 r32;
279
280 /**
281 * For catapult, base port id on personality register and IOC type
282 */
283 r32 = readl(rb + FNC_PERS_REG);
284 r32 >>= FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc));
285 ioc->port_id = (r32 & __F0_PORT_MAP_MK) >> __F0_PORT_MAP_SH;
286
287}
288
289/**
290 * Set interrupt mode for a function: INTX or MSIX
291 */
292static void
293bfa_ioc_ct_isr_mode_set(struct bfa_ioc *ioc, bool msix)
294{
295 void __iomem *rb = ioc->pcidev.pci_bar_kva;
296 u32 r32, mode;
297
298 r32 = readl(rb + FNC_PERS_REG);
299
300 mode = (r32 >> FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))) &
301 __F0_INTX_STATUS;
302
303 /**
304 * If already in desired mode, do not change anything
305 */
306 if ((!msix && mode) || (msix && !mode))
307 return;
308
309 if (msix)
310 mode = __F0_INTX_STATUS_MSIX;
311 else
312 mode = __F0_INTX_STATUS_INTA;
313
314 r32 &= ~(__F0_INTX_STATUS << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)));
315 r32 |= (mode << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)));
316
317 writel(r32, rb + FNC_PERS_REG);
318}
319
320/**
321 * Cleanup hw semaphore and usecnt registers
322 */
323static void
324bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc)
325{
326 if (ioc->cna) {
327 bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
328 writel(0, ioc->ioc_regs.ioc_usage_reg);
329 bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
330 }
331
332 /*
333 * Read the hw sem reg to make sure that it is locked
334 * before we clear it. If it is not locked, writing 1
335 * will lock it instead of clearing it.
336 */
337 readl(ioc->ioc_regs.ioc_sem_reg);
338 bfa_nw_ioc_hw_sem_release(ioc);
339}
340
341/**
342 * Synchronized IOC failure processing routines
343 */
344static bool
345bfa_ioc_ct_sync_start(struct bfa_ioc *ioc)
346{
347 u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync);
348 u32 sync_reqd = bfa_ioc_ct_get_sync_reqd(r32);
349
350 /*
351 * Driver load time. If the sync required bit for this PCI fn
352 * is set, it is due to an unclean exit by the driver for this
353 * PCI fn in the previous incarnation. Whoever comes here first
354 * should clean it up, no matter which PCI fn.
355 */
356
357 if (sync_reqd & bfa_ioc_ct_sync_pos(ioc)) {
358 writel(0, ioc->ioc_regs.ioc_fail_sync);
359 writel(1, ioc->ioc_regs.ioc_usage_reg);
360 writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate);
361 writel(BFI_IOC_UNINIT, ioc->ioc_regs.alt_ioc_fwstate);
362 return true;
363 }
364
365 return bfa_ioc_ct_sync_complete(ioc);
366}
367/**
368 * Synchronized IOC failure processing routines
369 */
370static void
371bfa_ioc_ct_sync_join(struct bfa_ioc *ioc)
372{
373 u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync);
374 u32 sync_pos = bfa_ioc_ct_sync_reqd_pos(ioc);
375
376 writel((r32 | sync_pos), ioc->ioc_regs.ioc_fail_sync);
377}
378
379static void
380bfa_ioc_ct_sync_leave(struct bfa_ioc *ioc)
381{
382 u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync);
383 u32 sync_msk = bfa_ioc_ct_sync_reqd_pos(ioc) |
384 bfa_ioc_ct_sync_pos(ioc);
385
386 writel((r32 & ~sync_msk), ioc->ioc_regs.ioc_fail_sync);
387}
388
389static void
390bfa_ioc_ct_sync_ack(struct bfa_ioc *ioc)
391{
392 u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync);
393
394 writel((r32 | bfa_ioc_ct_sync_pos(ioc)), ioc->ioc_regs.ioc_fail_sync);
395}
396
397static bool
398bfa_ioc_ct_sync_complete(struct bfa_ioc *ioc)
399{
400 u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync);
401 u32 sync_reqd = bfa_ioc_ct_get_sync_reqd(r32);
402 u32 sync_ackd = bfa_ioc_ct_get_sync_ackd(r32);
403 u32 tmp_ackd;
404
405 if (sync_ackd == 0)
406 return true;
407
408 /**
409 * The check below is to see whether any other PCI fn
410 * has reinitialized the ASIC (reset sync_ackd bits)
411 * and failed again while this IOC was waiting for hw
412 * semaphore (in bfa_iocpf_sm_semwait()).
413 */
414 tmp_ackd = sync_ackd;
415 if ((sync_reqd & bfa_ioc_ct_sync_pos(ioc)) &&
416 !(sync_ackd & bfa_ioc_ct_sync_pos(ioc)))
417 sync_ackd |= bfa_ioc_ct_sync_pos(ioc);
418
419 if (sync_reqd == sync_ackd) {
420 writel(bfa_ioc_ct_clear_sync_ackd(r32),
421 ioc->ioc_regs.ioc_fail_sync);
422 writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
423 writel(BFI_IOC_FAIL, ioc->ioc_regs.alt_ioc_fwstate);
424 return true;
425 }
426
427 /**
428 * If another PCI fn reinitialized and failed again while
429 * this IOC was waiting for hw sem, the sync_ackd bit for
430 * this IOC need to be set again to allow reinitialization.
431 */
432 if (tmp_ackd != sync_ackd)
433 writel((r32 | sync_ackd), ioc->ioc_regs.ioc_fail_sync);
434
435 return false;
436}
437
438static enum bfa_status
439bfa_ioc_ct_pll_init(void __iomem *rb, bool fcmode)
440{
441 u32 pll_sclk, pll_fclk, r32;
442
443 pll_sclk = __APP_PLL_SCLK_LRESETN | __APP_PLL_SCLK_ENARST |
444 __APP_PLL_SCLK_RSEL200500 | __APP_PLL_SCLK_P0_1(3U) |
445 __APP_PLL_SCLK_JITLMT0_1(3U) |
446 __APP_PLL_SCLK_CNTLMT0_1(1U);
447 pll_fclk = __APP_PLL_LCLK_LRESETN | __APP_PLL_LCLK_ENARST |
448 __APP_PLL_LCLK_RSEL200500 | __APP_PLL_LCLK_P0_1(3U) |
449 __APP_PLL_LCLK_JITLMT0_1(3U) |
450 __APP_PLL_LCLK_CNTLMT0_1(1U);
451
452 if (fcmode) {
453 writel(0, (rb + OP_MODE));
454 writel(__APP_EMS_CMLCKSEL |
455 __APP_EMS_REFCKBUFEN2 |
456 __APP_EMS_CHANNEL_SEL,
457 (rb + ETH_MAC_SER_REG));
458 } else {
459 writel(__GLOBAL_FCOE_MODE, (rb + OP_MODE));
460 writel(__APP_EMS_REFCKBUFEN1,
461 (rb + ETH_MAC_SER_REG));
462 }
463 writel(BFI_IOC_UNINIT, (rb + BFA_IOC0_STATE_REG));
464 writel(BFI_IOC_UNINIT, (rb + BFA_IOC1_STATE_REG));
465 writel(0xffffffffU, (rb + HOSTFN0_INT_MSK));
466 writel(0xffffffffU, (rb + HOSTFN1_INT_MSK));
467 writel(0xffffffffU, (rb + HOSTFN0_INT_STATUS));
468 writel(0xffffffffU, (rb + HOSTFN1_INT_STATUS));
469 writel(0xffffffffU, (rb + HOSTFN0_INT_MSK));
470 writel(0xffffffffU, (rb + HOSTFN1_INT_MSK));
471 writel(pll_sclk |
472 __APP_PLL_SCLK_LOGIC_SOFT_RESET,
473 rb + APP_PLL_SCLK_CTL_REG);
474 writel(pll_fclk |
475 __APP_PLL_LCLK_LOGIC_SOFT_RESET,
476 rb + APP_PLL_LCLK_CTL_REG);
477 writel(pll_sclk |
478 __APP_PLL_SCLK_LOGIC_SOFT_RESET | __APP_PLL_SCLK_ENABLE,
479 rb + APP_PLL_SCLK_CTL_REG);
480 writel(pll_fclk |
481 __APP_PLL_LCLK_LOGIC_SOFT_RESET | __APP_PLL_LCLK_ENABLE,
482 rb + APP_PLL_LCLK_CTL_REG);
483 readl(rb + HOSTFN0_INT_MSK);
484 udelay(2000);
485 writel(0xffffffffU, (rb + HOSTFN0_INT_STATUS));
486 writel(0xffffffffU, (rb + HOSTFN1_INT_STATUS));
487 writel(pll_sclk |
488 __APP_PLL_SCLK_ENABLE,
489 rb + APP_PLL_SCLK_CTL_REG);
490 writel(pll_fclk |
491 __APP_PLL_LCLK_ENABLE,
492 rb + APP_PLL_LCLK_CTL_REG);
493
494 if (!fcmode) {
495 writel(__PMM_1T_RESET_P, (rb + PMM_1T_RESET_REG_P0));
496 writel(__PMM_1T_RESET_P, (rb + PMM_1T_RESET_REG_P1));
497 }
498 r32 = readl((rb + PSS_CTL_REG));
499 r32 &= ~__PSS_LMEM_RESET;
500 writel(r32, (rb + PSS_CTL_REG));
501 udelay(1000);
502 if (!fcmode) {
503 writel(0, (rb + PMM_1T_RESET_REG_P0));
504 writel(0, (rb + PMM_1T_RESET_REG_P1));
505 }
506
507 writel(__EDRAM_BISTR_START, (rb + MBIST_CTL_REG));
508 udelay(1000);
509 r32 = readl((rb + MBIST_STAT_REG));
510 writel(0, (rb + MBIST_CTL_REG));
511 return BFA_STATUS_OK;
512}
diff --git a/drivers/net/ethernet/brocade/bna/bfi.h b/drivers/net/ethernet/brocade/bna/bfi.h
new file mode 100644
index 000000000000..088211c2724f
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfi.h
@@ -0,0 +1,400 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#ifndef __BFI_H__
20#define __BFI_H__
21
22#include "bfa_defs.h"
23
24#pragma pack(1)
25
26/**
27 * BFI FW image type
28 */
29#define BFI_FLASH_CHUNK_SZ 256 /*!< Flash chunk size */
30#define BFI_FLASH_CHUNK_SZ_WORDS (BFI_FLASH_CHUNK_SZ/sizeof(u32))
31enum {
32 BFI_IMAGE_CB_FC,
33 BFI_IMAGE_CT_FC,
34 BFI_IMAGE_CT_CNA,
35 BFI_IMAGE_MAX,
36};
37
38/**
39 * Msg header common to all msgs
40 */
41struct bfi_mhdr {
42 u8 msg_class; /*!< @ref enum bfi_mclass */
43 u8 msg_id; /*!< msg opcode with in the class */
44 union {
45 struct {
46 u8 rsvd;
47 u8 lpu_id; /*!< msg destination */
48 } h2i;
49 u16 i2htok; /*!< token in msgs to host */
50 } mtag;
51};
52
53#define bfi_h2i_set(_mh, _mc, _op, _lpuid) do { \
54 (_mh).msg_class = (_mc); \
55 (_mh).msg_id = (_op); \
56 (_mh).mtag.h2i.lpu_id = (_lpuid); \
57} while (0)
58
59#define bfi_i2h_set(_mh, _mc, _op, _i2htok) do { \
60 (_mh).msg_class = (_mc); \
61 (_mh).msg_id = (_op); \
62 (_mh).mtag.i2htok = (_i2htok); \
63} while (0)
64
65/*
66 * Message opcodes: 0-127 to firmware, 128-255 to host
67 */
68#define BFI_I2H_OPCODE_BASE 128
69#define BFA_I2HM(_x) ((_x) + BFI_I2H_OPCODE_BASE)
70
71/**
72 ****************************************************************************
73 *
74 * Scatter Gather Element and Page definition
75 *
76 ****************************************************************************
77 */
78
79#define BFI_SGE_INLINE 1
80#define BFI_SGE_INLINE_MAX (BFI_SGE_INLINE + 1)
81
82/**
83 * SG Flags
84 */
85enum {
86 BFI_SGE_DATA = 0, /*!< data address, not last */
87 BFI_SGE_DATA_CPL = 1, /*!< data addr, last in current page */
88 BFI_SGE_DATA_LAST = 3, /*!< data address, last */
89 BFI_SGE_LINK = 2, /*!< link address */
90 BFI_SGE_PGDLEN = 2, /*!< cumulative data length for page */
91};
92
93/**
94 * DMA addresses
95 */
96union bfi_addr_u {
97 struct {
98 u32 addr_lo;
99 u32 addr_hi;
100 } a32;
101};
102
103/**
104 * Scatter Gather Element
105 */
106struct bfi_sge {
107#ifdef __BIGENDIAN
108 u32 flags:2,
109 rsvd:2,
110 sg_len:28;
111#else
112 u32 sg_len:28,
113 rsvd:2,
114 flags:2;
115#endif
116 union bfi_addr_u sga;
117};
118
119/**
120 * Scatter Gather Page
121 */
122#define BFI_SGPG_DATA_SGES 7
123#define BFI_SGPG_SGES_MAX (BFI_SGPG_DATA_SGES + 1)
124#define BFI_SGPG_RSVD_WD_LEN 8
125struct bfi_sgpg {
126 struct bfi_sge sges[BFI_SGPG_SGES_MAX];
127 u32 rsvd[BFI_SGPG_RSVD_WD_LEN];
128};
129
130/*
131 * Large Message structure - 128 Bytes size Msgs
132 */
133#define BFI_LMSG_SZ 128
134#define BFI_LMSG_PL_WSZ \
135 ((BFI_LMSG_SZ - sizeof(struct bfi_mhdr)) / 4)
136
137struct bfi_msg {
138 struct bfi_mhdr mhdr;
139 u32 pl[BFI_LMSG_PL_WSZ];
140};
141
142/**
143 * Mailbox message structure
144 */
145#define BFI_MBMSG_SZ 7
146struct bfi_mbmsg {
147 struct bfi_mhdr mh;
148 u32 pl[BFI_MBMSG_SZ];
149};
150
151/**
152 * Message Classes
153 */
154enum bfi_mclass {
155 BFI_MC_IOC = 1, /*!< IO Controller (IOC) */
156 BFI_MC_DIAG = 2, /*!< Diagnostic Msgs */
157 BFI_MC_FLASH = 3, /*!< Flash message class */
158 BFI_MC_CEE = 4, /*!< CEE */
159 BFI_MC_FCPORT = 5, /*!< FC port */
160 BFI_MC_IOCFC = 6, /*!< FC - IO Controller (IOC) */
161 BFI_MC_LL = 7, /*!< Link Layer */
162 BFI_MC_UF = 8, /*!< Unsolicited frame receive */
163 BFI_MC_FCXP = 9, /*!< FC Transport */
164 BFI_MC_LPS = 10, /*!< lport fc login services */
165 BFI_MC_RPORT = 11, /*!< Remote port */
166 BFI_MC_ITNIM = 12, /*!< I-T nexus (Initiator mode) */
167 BFI_MC_IOIM_READ = 13, /*!< read IO (Initiator mode) */
168 BFI_MC_IOIM_WRITE = 14, /*!< write IO (Initiator mode) */
169 BFI_MC_IOIM_IO = 15, /*!< IO (Initiator mode) */
170 BFI_MC_IOIM = 16, /*!< IO (Initiator mode) */
171 BFI_MC_IOIM_IOCOM = 17, /*!< good IO completion */
172 BFI_MC_TSKIM = 18, /*!< Initiator Task management */
173 BFI_MC_SBOOT = 19, /*!< SAN boot services */
174 BFI_MC_IPFC = 20, /*!< IP over FC Msgs */
175 BFI_MC_PORT = 21, /*!< Physical port */
176 BFI_MC_SFP = 22, /*!< SFP module */
177 BFI_MC_MSGQ = 23, /*!< MSGQ */
178 BFI_MC_ENET = 24, /*!< ENET commands/responses */
179 BFI_MC_MAX = 32
180};
181
182#define BFI_IOC_MAX_CQS 4
183#define BFI_IOC_MAX_CQS_ASIC 8
184#define BFI_IOC_MSGLEN_MAX 32 /* 32 bytes */
185
186#define BFI_BOOT_TYPE_OFF 8
187#define BFI_BOOT_LOADER_OFF 12
188
189#define BFI_BOOT_TYPE_NORMAL 0
190#define BFI_BOOT_TYPE_FLASH 1
191#define BFI_BOOT_TYPE_MEMTEST 2
192
193#define BFI_BOOT_LOADER_OS 0
194
195#define BFI_BOOT_MEMTEST_RES_ADDR 0x900
196#define BFI_BOOT_MEMTEST_RES_SIG 0xA0A1A2A3
197
198/**
199 *----------------------------------------------------------------------
200 * IOC
201 *----------------------------------------------------------------------
202 */
203
204enum bfi_ioc_h2i_msgs {
205 BFI_IOC_H2I_ENABLE_REQ = 1,
206 BFI_IOC_H2I_DISABLE_REQ = 2,
207 BFI_IOC_H2I_GETATTR_REQ = 3,
208 BFI_IOC_H2I_DBG_SYNC = 4,
209 BFI_IOC_H2I_DBG_DUMP = 5,
210};
211
212enum bfi_ioc_i2h_msgs {
213 BFI_IOC_I2H_ENABLE_REPLY = BFA_I2HM(1),
214 BFI_IOC_I2H_DISABLE_REPLY = BFA_I2HM(2),
215 BFI_IOC_I2H_GETATTR_REPLY = BFA_I2HM(3),
216 BFI_IOC_I2H_READY_EVENT = BFA_I2HM(4),
217 BFI_IOC_I2H_HBEAT = BFA_I2HM(5),
218};
219
220/**
221 * BFI_IOC_H2I_GETATTR_REQ message
222 */
223struct bfi_ioc_getattr_req {
224 struct bfi_mhdr mh;
225 union bfi_addr_u attr_addr;
226};
227
228struct bfi_ioc_attr {
229 u64 mfg_pwwn; /*!< Mfg port wwn */
230 u64 mfg_nwwn; /*!< Mfg node wwn */
231 mac_t mfg_mac; /*!< Mfg mac */
232 u16 rsvd_a;
233 u64 pwwn;
234 u64 nwwn;
235 mac_t mac; /*!< PBC or Mfg mac */
236 u16 rsvd_b;
237 mac_t fcoe_mac;
238 u16 rsvd_c;
239 char brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)];
240 u8 pcie_gen;
241 u8 pcie_lanes_orig;
242 u8 pcie_lanes;
243 u8 rx_bbcredit; /*!< receive buffer credits */
244 u32 adapter_prop; /*!< adapter properties */
245 u16 maxfrsize; /*!< max receive frame size */
246 char asic_rev;
247 u8 rsvd_d;
248 char fw_version[BFA_VERSION_LEN];
249 char optrom_version[BFA_VERSION_LEN];
250 struct bfa_mfg_vpd vpd;
251 u32 card_type; /*!< card type */
252};
253
254/**
255 * BFI_IOC_I2H_GETATTR_REPLY message
256 */
257struct bfi_ioc_getattr_reply {
258 struct bfi_mhdr mh; /*!< Common msg header */
259 u8 status; /*!< cfg reply status */
260 u8 rsvd[3];
261};
262
263/**
264 * Firmware memory page offsets
265 */
266#define BFI_IOC_SMEM_PG0_CB (0x40)
267#define BFI_IOC_SMEM_PG0_CT (0x180)
268
269/**
270 * Firmware statistic offset
271 */
272#define BFI_IOC_FWSTATS_OFF (0x6B40)
273#define BFI_IOC_FWSTATS_SZ (4096)
274
275/**
276 * Firmware trace offset
277 */
278#define BFI_IOC_TRC_OFF (0x4b00)
279#define BFI_IOC_TRC_ENTS 256
280
281#define BFI_IOC_FW_SIGNATURE (0xbfadbfad)
282#define BFI_IOC_MD5SUM_SZ 4
283struct bfi_ioc_image_hdr {
284 u32 signature; /*!< constant signature */
285 u32 rsvd_a;
286 u32 exec; /*!< exec vector */
287 u32 param; /*!< parameters */
288 u32 rsvd_b[4];
289 u32 md5sum[BFI_IOC_MD5SUM_SZ];
290};
291
292enum bfi_fwboot_type {
293 BFI_FWBOOT_TYPE_NORMAL = 0,
294 BFI_FWBOOT_TYPE_FLASH = 1,
295 BFI_FWBOOT_TYPE_MEMTEST = 2,
296};
297
298/**
299 * BFI_IOC_I2H_READY_EVENT message
300 */
301struct bfi_ioc_rdy_event {
302 struct bfi_mhdr mh; /*!< common msg header */
303 u8 init_status; /*!< init event status */
304 u8 rsvd[3];
305};
306
307struct bfi_ioc_hbeat {
308 struct bfi_mhdr mh; /*!< common msg header */
309 u32 hb_count; /*!< current heart beat count */
310};
311
312/**
313 * IOC hardware/firmware state
314 */
315enum bfi_ioc_state {
316 BFI_IOC_UNINIT = 0, /*!< not initialized */
317 BFI_IOC_INITING = 1, /*!< h/w is being initialized */
318 BFI_IOC_HWINIT = 2, /*!< h/w is initialized */
319 BFI_IOC_CFG = 3, /*!< IOC configuration in progress */
320 BFI_IOC_OP = 4, /*!< IOC is operational */
321 BFI_IOC_DISABLING = 5, /*!< IOC is being disabled */
322 BFI_IOC_DISABLED = 6, /*!< IOC is disabled */
323 BFI_IOC_CFG_DISABLED = 7, /*!< IOC is being disabled;transient */
324 BFI_IOC_FAIL = 8, /*!< IOC heart-beat failure */
325 BFI_IOC_MEMTEST = 9, /*!< IOC is doing memtest */
326};
327
328#define BFI_IOC_ENDIAN_SIG 0x12345678
329
330enum {
331 BFI_ADAPTER_TYPE_FC = 0x01, /*!< FC adapters */
332 BFI_ADAPTER_TYPE_MK = 0x0f0000, /*!< adapter type mask */
333 BFI_ADAPTER_TYPE_SH = 16, /*!< adapter type shift */
334 BFI_ADAPTER_NPORTS_MK = 0xff00, /*!< number of ports mask */
335 BFI_ADAPTER_NPORTS_SH = 8, /*!< number of ports shift */
336 BFI_ADAPTER_SPEED_MK = 0xff, /*!< adapter speed mask */
337 BFI_ADAPTER_SPEED_SH = 0, /*!< adapter speed shift */
338 BFI_ADAPTER_PROTO = 0x100000, /*!< prototype adapaters */
339 BFI_ADAPTER_TTV = 0x200000, /*!< TTV debug capable */
340 BFI_ADAPTER_UNSUPP = 0x400000, /*!< unknown adapter type */
341};
342
343#define BFI_ADAPTER_GETP(__prop, __adap_prop) \
344 (((__adap_prop) & BFI_ADAPTER_ ## __prop ## _MK) >> \
345 BFI_ADAPTER_ ## __prop ## _SH)
346#define BFI_ADAPTER_SETP(__prop, __val) \
347 ((__val) << BFI_ADAPTER_ ## __prop ## _SH)
348#define BFI_ADAPTER_IS_PROTO(__adap_type) \
349 ((__adap_type) & BFI_ADAPTER_PROTO)
350#define BFI_ADAPTER_IS_TTV(__adap_type) \
351 ((__adap_type) & BFI_ADAPTER_TTV)
352#define BFI_ADAPTER_IS_UNSUPP(__adap_type) \
353 ((__adap_type) & BFI_ADAPTER_UNSUPP)
354#define BFI_ADAPTER_IS_SPECIAL(__adap_type) \
355 ((__adap_type) & (BFI_ADAPTER_TTV | BFI_ADAPTER_PROTO | \
356 BFI_ADAPTER_UNSUPP))
357
358/**
359 * BFI_IOC_H2I_ENABLE_REQ & BFI_IOC_H2I_DISABLE_REQ messages
360 */
361struct bfi_ioc_ctrl_req {
362 struct bfi_mhdr mh;
363 u8 ioc_class;
364 u8 rsvd[3];
365 u32 tv_sec;
366};
367
368/**
369 * BFI_IOC_I2H_ENABLE_REPLY & BFI_IOC_I2H_DISABLE_REPLY messages
370 */
371struct bfi_ioc_ctrl_reply {
372 struct bfi_mhdr mh; /*!< Common msg header */
373 u8 status; /*!< enable/disable status */
374 u8 rsvd[3];
375};
376
377#define BFI_IOC_MSGSZ 8
378/**
379 * H2I Messages
380 */
381union bfi_ioc_h2i_msg_u {
382 struct bfi_mhdr mh;
383 struct bfi_ioc_ctrl_req enable_req;
384 struct bfi_ioc_ctrl_req disable_req;
385 struct bfi_ioc_getattr_req getattr_req;
386 u32 mboxmsg[BFI_IOC_MSGSZ];
387};
388
389/**
390 * I2H Messages
391 */
392union bfi_ioc_i2h_msg_u {
393 struct bfi_mhdr mh;
394 struct bfi_ioc_rdy_event rdy_event;
395 u32 mboxmsg[BFI_IOC_MSGSZ];
396};
397
398#pragma pack()
399
400#endif /* __BFI_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bfi_cna.h b/drivers/net/ethernet/brocade/bna/bfi_cna.h
new file mode 100644
index 000000000000..4eecabea397b
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfi_cna.h
@@ -0,0 +1,199 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#ifndef __BFI_CNA_H__
19#define __BFI_CNA_H__
20
21#include "bfi.h"
22#include "bfa_defs_cna.h"
23
24#pragma pack(1)
25
26enum bfi_port_h2i {
27 BFI_PORT_H2I_ENABLE_REQ = (1),
28 BFI_PORT_H2I_DISABLE_REQ = (2),
29 BFI_PORT_H2I_GET_STATS_REQ = (3),
30 BFI_PORT_H2I_CLEAR_STATS_REQ = (4),
31};
32
33enum bfi_port_i2h {
34 BFI_PORT_I2H_ENABLE_RSP = BFA_I2HM(1),
35 BFI_PORT_I2H_DISABLE_RSP = BFA_I2HM(2),
36 BFI_PORT_I2H_GET_STATS_RSP = BFA_I2HM(3),
37 BFI_PORT_I2H_CLEAR_STATS_RSP = BFA_I2HM(4),
38};
39
40/**
41 * Generic REQ type
42 */
43struct bfi_port_generic_req {
44 struct bfi_mhdr mh; /*!< msg header */
45 u32 msgtag; /*!< msgtag for reply */
46 u32 rsvd;
47};
48
49/**
50 * Generic RSP type
51 */
52struct bfi_port_generic_rsp {
53 struct bfi_mhdr mh; /*!< common msg header */
54 u8 status; /*!< port enable status */
55 u8 rsvd[3];
56 u32 msgtag; /*!< msgtag for reply */
57};
58
59/**
60 * @todo
61 * BFI_PORT_H2I_ENABLE_REQ
62 */
63
64/**
65 * @todo
66 * BFI_PORT_I2H_ENABLE_RSP
67 */
68
69/**
70 * BFI_PORT_H2I_DISABLE_REQ
71 */
72
73/**
74 * BFI_PORT_I2H_DISABLE_RSP
75 */
76
77/**
78 * BFI_PORT_H2I_GET_STATS_REQ
79 */
80struct bfi_port_get_stats_req {
81 struct bfi_mhdr mh; /*!< common msg header */
82 union bfi_addr_u dma_addr;
83};
84
85/**
86 * BFI_PORT_I2H_GET_STATS_RSP
87 */
88
89/**
90 * BFI_PORT_H2I_CLEAR_STATS_REQ
91 */
92
93/**
94 * BFI_PORT_I2H_CLEAR_STATS_RSP
95 */
96
97union bfi_port_h2i_msg_u {
98 struct bfi_mhdr mh;
99 struct bfi_port_generic_req enable_req;
100 struct bfi_port_generic_req disable_req;
101 struct bfi_port_get_stats_req getstats_req;
102 struct bfi_port_generic_req clearstats_req;
103};
104
105union bfi_port_i2h_msg_u {
106 struct bfi_mhdr mh;
107 struct bfi_port_generic_rsp enable_rsp;
108 struct bfi_port_generic_rsp disable_rsp;
109 struct bfi_port_generic_rsp getstats_rsp;
110 struct bfi_port_generic_rsp clearstats_rsp;
111};
112
113/* @brief Mailbox commands from host to (DCBX/LLDP) firmware */
114enum bfi_cee_h2i_msgs {
115 BFI_CEE_H2I_GET_CFG_REQ = 1,
116 BFI_CEE_H2I_RESET_STATS = 2,
117 BFI_CEE_H2I_GET_STATS_REQ = 3,
118};
119
120/* @brief Mailbox reply and AEN messages from DCBX/LLDP firmware to host */
121enum bfi_cee_i2h_msgs {
122 BFI_CEE_I2H_GET_CFG_RSP = BFA_I2HM(1),
123 BFI_CEE_I2H_RESET_STATS_RSP = BFA_I2HM(2),
124 BFI_CEE_I2H_GET_STATS_RSP = BFA_I2HM(3),
125};
126
127/* Data structures */
128
129/*
130 * @brief H2I command structure for resetting the stats.
131 * BFI_CEE_H2I_RESET_STATS
132 */
133struct bfi_lldp_reset_stats {
134 struct bfi_mhdr mh;
135};
136
137/*
138 * @brief H2I command structure for resetting the stats.
139 * BFI_CEE_H2I_RESET_STATS
140 */
141struct bfi_cee_reset_stats {
142 struct bfi_mhdr mh;
143};
144
145/*
146 * @brief get configuration command from host
147 * BFI_CEE_H2I_GET_CFG_REQ
148 */
149struct bfi_cee_get_req {
150 struct bfi_mhdr mh;
151 union bfi_addr_u dma_addr;
152};
153
154/*
155 * @brief reply message from firmware
156 * BFI_CEE_I2H_GET_CFG_RSP
157 */
158struct bfi_cee_get_rsp {
159 struct bfi_mhdr mh;
160 u8 cmd_status;
161 u8 rsvd[3];
162};
163
164/*
165 * @brief get configuration command from host
166 * BFI_CEE_H2I_GET_STATS_REQ
167 */
168struct bfi_cee_stats_req {
169 struct bfi_mhdr mh;
170 union bfi_addr_u dma_addr;
171};
172
173/*
174 * @brief reply message from firmware
175 * BFI_CEE_I2H_GET_STATS_RSP
176 */
177struct bfi_cee_stats_rsp {
178 struct bfi_mhdr mh;
179 u8 cmd_status;
180 u8 rsvd[3];
181};
182
183/* @brief mailbox command structures from host to firmware */
184union bfi_cee_h2i_msg_u {
185 struct bfi_mhdr mh;
186 struct bfi_cee_get_req get_req;
187 struct bfi_cee_stats_req stats_req;
188};
189
190/* @brief mailbox message structures from firmware to host */
191union bfi_cee_i2h_msg_u {
192 struct bfi_mhdr mh;
193 struct bfi_cee_get_rsp get_rsp;
194 struct bfi_cee_stats_rsp stats_rsp;
195};
196
197#pragma pack()
198
199#endif /* __BFI_CNA_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bfi_ll.h b/drivers/net/ethernet/brocade/bna/bfi_ll.h
new file mode 100644
index 000000000000..bee4d054066a
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfi_ll.h
@@ -0,0 +1,438 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#ifndef __BFI_LL_H__
19#define __BFI_LL_H__
20
21#include "bfi.h"
22
23#pragma pack(1)
24
25/**
26 * @brief
27 * "enums" for all LL mailbox messages other than IOC
28 */
29enum {
30 BFI_LL_H2I_MAC_UCAST_SET_REQ = 1,
31 BFI_LL_H2I_MAC_UCAST_ADD_REQ = 2,
32 BFI_LL_H2I_MAC_UCAST_DEL_REQ = 3,
33
34 BFI_LL_H2I_MAC_MCAST_ADD_REQ = 4,
35 BFI_LL_H2I_MAC_MCAST_DEL_REQ = 5,
36 BFI_LL_H2I_MAC_MCAST_FILTER_REQ = 6,
37 BFI_LL_H2I_MAC_MCAST_DEL_ALL_REQ = 7,
38
39 BFI_LL_H2I_PORT_ADMIN_REQ = 8,
40 BFI_LL_H2I_STATS_GET_REQ = 9,
41 BFI_LL_H2I_STATS_CLEAR_REQ = 10,
42
43 BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ = 11,
44 BFI_LL_H2I_RXF_DEFAULT_SET_REQ = 12,
45
46 BFI_LL_H2I_TXQ_STOP_REQ = 13,
47 BFI_LL_H2I_RXQ_STOP_REQ = 14,
48
49 BFI_LL_H2I_DIAG_LOOPBACK_REQ = 15,
50
51 BFI_LL_H2I_SET_PAUSE_REQ = 16,
52 BFI_LL_H2I_MTU_INFO_REQ = 17,
53
54 BFI_LL_H2I_RX_REQ = 18,
55} ;
56
57enum {
58 BFI_LL_I2H_MAC_UCAST_SET_RSP = BFA_I2HM(1),
59 BFI_LL_I2H_MAC_UCAST_ADD_RSP = BFA_I2HM(2),
60 BFI_LL_I2H_MAC_UCAST_DEL_RSP = BFA_I2HM(3),
61
62 BFI_LL_I2H_MAC_MCAST_ADD_RSP = BFA_I2HM(4),
63 BFI_LL_I2H_MAC_MCAST_DEL_RSP = BFA_I2HM(5),
64 BFI_LL_I2H_MAC_MCAST_FILTER_RSP = BFA_I2HM(6),
65 BFI_LL_I2H_MAC_MCAST_DEL_ALL_RSP = BFA_I2HM(7),
66
67 BFI_LL_I2H_PORT_ADMIN_RSP = BFA_I2HM(8),
68 BFI_LL_I2H_STATS_GET_RSP = BFA_I2HM(9),
69 BFI_LL_I2H_STATS_CLEAR_RSP = BFA_I2HM(10),
70
71 BFI_LL_I2H_RXF_PROMISCUOUS_SET_RSP = BFA_I2HM(11),
72 BFI_LL_I2H_RXF_DEFAULT_SET_RSP = BFA_I2HM(12),
73
74 BFI_LL_I2H_TXQ_STOP_RSP = BFA_I2HM(13),
75 BFI_LL_I2H_RXQ_STOP_RSP = BFA_I2HM(14),
76
77 BFI_LL_I2H_DIAG_LOOPBACK_RSP = BFA_I2HM(15),
78
79 BFI_LL_I2H_SET_PAUSE_RSP = BFA_I2HM(16),
80
81 BFI_LL_I2H_MTU_INFO_RSP = BFA_I2HM(17),
82 BFI_LL_I2H_RX_RSP = BFA_I2HM(18),
83
84 BFI_LL_I2H_LINK_DOWN_AEN = BFA_I2HM(19),
85 BFI_LL_I2H_LINK_UP_AEN = BFA_I2HM(20),
86
87 BFI_LL_I2H_PORT_ENABLE_AEN = BFA_I2HM(21),
88 BFI_LL_I2H_PORT_DISABLE_AEN = BFA_I2HM(22),
89} ;
90
91/**
92 * @brief bfi_ll_mac_addr_req is used by:
93 * BFI_LL_H2I_MAC_UCAST_SET_REQ
94 * BFI_LL_H2I_MAC_UCAST_ADD_REQ
95 * BFI_LL_H2I_MAC_UCAST_DEL_REQ
96 * BFI_LL_H2I_MAC_MCAST_ADD_REQ
97 * BFI_LL_H2I_MAC_MCAST_DEL_REQ
98 */
99struct bfi_ll_mac_addr_req {
100 struct bfi_mhdr mh; /*!< common msg header */
101 u8 rxf_id;
102 u8 rsvd1[3];
103 mac_t mac_addr;
104 u8 rsvd2[2];
105};
106
107/**
108 * @brief bfi_ll_mcast_filter_req is used by:
109 * BFI_LL_H2I_MAC_MCAST_FILTER_REQ
110 */
111struct bfi_ll_mcast_filter_req {
112 struct bfi_mhdr mh; /*!< common msg header */
113 u8 rxf_id;
114 u8 enable;
115 u8 rsvd[2];
116};
117
118/**
119 * @brief bfi_ll_mcast_del_all is used by:
120 * BFI_LL_H2I_MAC_MCAST_DEL_ALL_REQ
121 */
122struct bfi_ll_mcast_del_all_req {
123 struct bfi_mhdr mh; /*!< common msg header */
124 u8 rxf_id;
125 u8 rsvd[3];
126};
127
128/**
129 * @brief bfi_ll_q_stop_req is used by:
130 * BFI_LL_H2I_TXQ_STOP_REQ
131 * BFI_LL_H2I_RXQ_STOP_REQ
132 */
133struct bfi_ll_q_stop_req {
134 struct bfi_mhdr mh; /*!< common msg header */
135 u32 q_id_mask[2]; /* !< bit-mask for queue ids */
136};
137
138/**
139 * @brief bfi_ll_stats_req is used by:
140 * BFI_LL_I2H_STATS_GET_REQ
141 * BFI_LL_I2H_STATS_CLEAR_REQ
142 */
143struct bfi_ll_stats_req {
144 struct bfi_mhdr mh; /*!< common msg header */
145 u16 stats_mask; /* !< bit-mask for non-function statistics */
146 u8 rsvd[2];
147 u32 rxf_id_mask[2]; /* !< bit-mask for RxF Statistics */
148 u32 txf_id_mask[2]; /* !< bit-mask for TxF Statistics */
149 union bfi_addr_u host_buffer; /* !< where statistics are returned */
150};
151
152/**
153 * @brief defines for "stats_mask" above.
154 */
155#define BFI_LL_STATS_MAC (1 << 0) /* !< MAC Statistics */
156#define BFI_LL_STATS_BPC (1 << 1) /* !< Pause Stats from BPC */
157#define BFI_LL_STATS_RAD (1 << 2) /* !< Rx Admission Statistics */
158#define BFI_LL_STATS_RX_FC (1 << 3) /* !< Rx FC Stats from RxA */
159#define BFI_LL_STATS_TX_FC (1 << 4) /* !< Tx FC Stats from TxA */
160
161#define BFI_LL_STATS_ALL 0x1f
162
163/**
164 * @brief bfi_ll_port_admin_req
165 */
166struct bfi_ll_port_admin_req {
167 struct bfi_mhdr mh; /*!< common msg header */
168 u8 up;
169 u8 rsvd[3];
170};
171
172/**
173 * @brief bfi_ll_rxf_req is used by:
174 * BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ
175 * BFI_LL_H2I_RXF_DEFAULT_SET_REQ
176 */
177struct bfi_ll_rxf_req {
178 struct bfi_mhdr mh; /*!< common msg header */
179 u8 rxf_id;
180 u8 enable;
181 u8 rsvd[2];
182};
183
184/**
185 * @brief bfi_ll_rxf_multi_req is used by:
186 * BFI_LL_H2I_RX_REQ
187 */
188struct bfi_ll_rxf_multi_req {
189 struct bfi_mhdr mh; /*!< common msg header */
190 u32 rxf_id_mask[2];
191 u8 enable;
192 u8 rsvd[3];
193};
194
195/**
196 * @brief enum for Loopback opmodes
197 */
198enum {
199 BFI_LL_DIAG_LB_OPMODE_EXT = 0,
200 BFI_LL_DIAG_LB_OPMODE_CBL = 1,
201};
202
203/**
204 * @brief bfi_ll_set_pause_req is used by:
205 * BFI_LL_H2I_SET_PAUSE_REQ
206 */
207struct bfi_ll_set_pause_req {
208 struct bfi_mhdr mh;
209 u8 tx_pause; /* 1 = enable, 0 = disable */
210 u8 rx_pause; /* 1 = enable, 0 = disable */
211 u8 rsvd[2];
212};
213
214/**
215 * @brief bfi_ll_mtu_info_req is used by:
216 * BFI_LL_H2I_MTU_INFO_REQ
217 */
218struct bfi_ll_mtu_info_req {
219 struct bfi_mhdr mh;
220 u16 mtu;
221 u8 rsvd[2];
222};
223
224/**
225 * @brief
226 * Response header format used by all responses
227 * For both responses and asynchronous notifications
228 */
229struct bfi_ll_rsp {
230 struct bfi_mhdr mh; /*!< common msg header */
231 u8 error;
232 u8 rsvd[3];
233};
234
235/**
236 * @brief bfi_ll_cee_aen is used by:
237 * BFI_LL_I2H_LINK_DOWN_AEN
238 * BFI_LL_I2H_LINK_UP_AEN
239 */
240struct bfi_ll_aen {
241 struct bfi_mhdr mh; /*!< common msg header */
242 u32 reason;
243 u8 cee_linkup;
244 u8 prio_map; /*!< LL priority bit-map */
245 u8 rsvd[2];
246};
247
248/**
249 * @brief
250 * The following error codes can be returned
251 * by the mbox commands
252 */
253enum {
254 BFI_LL_CMD_OK = 0,
255 BFI_LL_CMD_FAIL = 1,
256 BFI_LL_CMD_DUP_ENTRY = 2, /* !< Duplicate entry in CAM */
257 BFI_LL_CMD_CAM_FULL = 3, /* !< CAM is full */
258 BFI_LL_CMD_NOT_OWNER = 4, /* !< Not permitted, b'cos not owner */
259 BFI_LL_CMD_NOT_EXEC = 5, /* !< Was not sent to f/w at all */
260 BFI_LL_CMD_WAITING = 6, /* !< Waiting for completion (VMware) */
261 BFI_LL_CMD_PORT_DISABLED = 7, /* !< port in disabled state */
262} ;
263
264/* Statistics */
265#define BFI_LL_TXF_ID_MAX 64
266#define BFI_LL_RXF_ID_MAX 64
267
268/* TxF Frame Statistics */
269struct bfi_ll_stats_txf {
270 u64 ucast_octets;
271 u64 ucast;
272 u64 ucast_vlan;
273
274 u64 mcast_octets;
275 u64 mcast;
276 u64 mcast_vlan;
277
278 u64 bcast_octets;
279 u64 bcast;
280 u64 bcast_vlan;
281
282 u64 errors;
283 u64 filter_vlan; /* frames filtered due to VLAN */
284 u64 filter_mac_sa; /* frames filtered due to SA check */
285};
286
287/* RxF Frame Statistics */
288struct bfi_ll_stats_rxf {
289 u64 ucast_octets;
290 u64 ucast;
291 u64 ucast_vlan;
292
293 u64 mcast_octets;
294 u64 mcast;
295 u64 mcast_vlan;
296
297 u64 bcast_octets;
298 u64 bcast;
299 u64 bcast_vlan;
300 u64 frame_drops;
301};
302
303/* FC Tx Frame Statistics */
304struct bfi_ll_stats_fc_tx {
305 u64 txf_ucast_octets;
306 u64 txf_ucast;
307 u64 txf_ucast_vlan;
308
309 u64 txf_mcast_octets;
310 u64 txf_mcast;
311 u64 txf_mcast_vlan;
312
313 u64 txf_bcast_octets;
314 u64 txf_bcast;
315 u64 txf_bcast_vlan;
316
317 u64 txf_parity_errors;
318 u64 txf_timeout;
319 u64 txf_fid_parity_errors;
320};
321
322/* FC Rx Frame Statistics */
323struct bfi_ll_stats_fc_rx {
324 u64 rxf_ucast_octets;
325 u64 rxf_ucast;
326 u64 rxf_ucast_vlan;
327
328 u64 rxf_mcast_octets;
329 u64 rxf_mcast;
330 u64 rxf_mcast_vlan;
331
332 u64 rxf_bcast_octets;
333 u64 rxf_bcast;
334 u64 rxf_bcast_vlan;
335};
336
337/* RAD Frame Statistics */
338struct bfi_ll_stats_rad {
339 u64 rx_frames;
340 u64 rx_octets;
341 u64 rx_vlan_frames;
342
343 u64 rx_ucast;
344 u64 rx_ucast_octets;
345 u64 rx_ucast_vlan;
346
347 u64 rx_mcast;
348 u64 rx_mcast_octets;
349 u64 rx_mcast_vlan;
350
351 u64 rx_bcast;
352 u64 rx_bcast_octets;
353 u64 rx_bcast_vlan;
354
355 u64 rx_drops;
356};
357
358/* BPC Tx Registers */
359struct bfi_ll_stats_bpc {
360 /* transmit stats */
361 u64 tx_pause[8];
362 u64 tx_zero_pause[8]; /*!< Pause cancellation */
363 /*!<Pause initiation rather than retention */
364 u64 tx_first_pause[8];
365
366 /* receive stats */
367 u64 rx_pause[8];
368 u64 rx_zero_pause[8]; /*!< Pause cancellation */
369 /*!<Pause initiation rather than retention */
370 u64 rx_first_pause[8];
371};
372
373/* MAC Rx Statistics */
374struct bfi_ll_stats_mac {
375 u64 frame_64; /* both rx and tx counter */
376 u64 frame_65_127; /* both rx and tx counter */
377 u64 frame_128_255; /* both rx and tx counter */
378 u64 frame_256_511; /* both rx and tx counter */
379 u64 frame_512_1023; /* both rx and tx counter */
380 u64 frame_1024_1518; /* both rx and tx counter */
381 u64 frame_1519_1522; /* both rx and tx counter */
382
383 /* receive stats */
384 u64 rx_bytes;
385 u64 rx_packets;
386 u64 rx_fcs_error;
387 u64 rx_multicast;
388 u64 rx_broadcast;
389 u64 rx_control_frames;
390 u64 rx_pause;
391 u64 rx_unknown_opcode;
392 u64 rx_alignment_error;
393 u64 rx_frame_length_error;
394 u64 rx_code_error;
395 u64 rx_carrier_sense_error;
396 u64 rx_undersize;
397 u64 rx_oversize;
398 u64 rx_fragments;
399 u64 rx_jabber;
400 u64 rx_drop;
401
402 /* transmit stats */
403 u64 tx_bytes;
404 u64 tx_packets;
405 u64 tx_multicast;
406 u64 tx_broadcast;
407 u64 tx_pause;
408 u64 tx_deferral;
409 u64 tx_excessive_deferral;
410 u64 tx_single_collision;
411 u64 tx_muliple_collision;
412 u64 tx_late_collision;
413 u64 tx_excessive_collision;
414 u64 tx_total_collision;
415 u64 tx_pause_honored;
416 u64 tx_drop;
417 u64 tx_jabber;
418 u64 tx_fcs_error;
419 u64 tx_control_frame;
420 u64 tx_oversize;
421 u64 tx_undersize;
422 u64 tx_fragments;
423};
424
425/* Complete statistics */
426struct bfi_ll_stats {
427 struct bfi_ll_stats_mac mac_stats;
428 struct bfi_ll_stats_bpc bpc_stats;
429 struct bfi_ll_stats_rad rad_stats;
430 struct bfi_ll_stats_fc_rx fc_rx_stats;
431 struct bfi_ll_stats_fc_tx fc_tx_stats;
432 struct bfi_ll_stats_rxf rxf_stats[BFI_LL_RXF_ID_MAX];
433 struct bfi_ll_stats_txf txf_stats[BFI_LL_TXF_ID_MAX];
434};
435
436#pragma pack()
437
438#endif /* __BFI_LL_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bfi_reg.h b/drivers/net/ethernet/brocade/bna/bfi_reg.h
new file mode 100644
index 000000000000..efacff3ab51d
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfi_reg.h
@@ -0,0 +1,452 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2011 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19/*
20 * bfi_reg.h ASIC register defines for all Brocade adapter ASICs
21 */
22
23#ifndef __BFI_REG_H__
24#define __BFI_REG_H__
25
26#define HOSTFN0_INT_STATUS 0x00014000 /* cb/ct */
27#define HOSTFN1_INT_STATUS 0x00014100 /* cb/ct */
28#define HOSTFN2_INT_STATUS 0x00014300 /* ct */
29#define HOSTFN3_INT_STATUS 0x00014400 /* ct */
30#define HOSTFN0_INT_MSK 0x00014004 /* cb/ct */
31#define HOSTFN1_INT_MSK 0x00014104 /* cb/ct */
32#define HOSTFN2_INT_MSK 0x00014304 /* ct */
33#define HOSTFN3_INT_MSK 0x00014404 /* ct */
34
35#define HOST_PAGE_NUM_FN0 0x00014008 /* cb/ct */
36#define HOST_PAGE_NUM_FN1 0x00014108 /* cb/ct */
37#define HOST_PAGE_NUM_FN2 0x00014308 /* ct */
38#define HOST_PAGE_NUM_FN3 0x00014408 /* ct */
39
40#define APP_PLL_LCLK_CTL_REG 0x00014204 /* cb/ct */
41#define __P_LCLK_PLL_LOCK 0x80000000
42#define __APP_PLL_LCLK_SRAM_USE_100MHZ 0x00100000
43#define __APP_PLL_LCLK_RESET_TIMER_MK 0x000e0000
44#define __APP_PLL_LCLK_RESET_TIMER_SH 17
45#define __APP_PLL_LCLK_RESET_TIMER(_v) ((_v) << __APP_PLL_LCLK_RESET_TIMER_SH)
46#define __APP_PLL_LCLK_LOGIC_SOFT_RESET 0x00010000
47#define __APP_PLL_LCLK_CNTLMT0_1_MK 0x0000c000
48#define __APP_PLL_LCLK_CNTLMT0_1_SH 14
49#define __APP_PLL_LCLK_CNTLMT0_1(_v) ((_v) << __APP_PLL_LCLK_CNTLMT0_1_SH)
50#define __APP_PLL_LCLK_JITLMT0_1_MK 0x00003000
51#define __APP_PLL_LCLK_JITLMT0_1_SH 12
52#define __APP_PLL_LCLK_JITLMT0_1(_v) ((_v) << __APP_PLL_LCLK_JITLMT0_1_SH)
53#define __APP_PLL_LCLK_HREF 0x00000800
54#define __APP_PLL_LCLK_HDIV 0x00000400
55#define __APP_PLL_LCLK_P0_1_MK 0x00000300
56#define __APP_PLL_LCLK_P0_1_SH 8
57#define __APP_PLL_LCLK_P0_1(_v) ((_v) << __APP_PLL_LCLK_P0_1_SH)
58#define __APP_PLL_LCLK_Z0_2_MK 0x000000e0
59#define __APP_PLL_LCLK_Z0_2_SH 5
60#define __APP_PLL_LCLK_Z0_2(_v) ((_v) << __APP_PLL_LCLK_Z0_2_SH)
61#define __APP_PLL_LCLK_RSEL200500 0x00000010
62#define __APP_PLL_LCLK_ENARST 0x00000008
63#define __APP_PLL_LCLK_BYPASS 0x00000004
64#define __APP_PLL_LCLK_LRESETN 0x00000002
65#define __APP_PLL_LCLK_ENABLE 0x00000001
66#define APP_PLL_SCLK_CTL_REG 0x00014208 /* cb/ct */
67#define __P_SCLK_PLL_LOCK 0x80000000
68#define __APP_PLL_SCLK_RESET_TIMER_MK 0x000e0000
69#define __APP_PLL_SCLK_RESET_TIMER_SH 17
70#define __APP_PLL_SCLK_RESET_TIMER(_v) ((_v) << __APP_PLL_SCLK_RESET_TIMER_SH)
71#define __APP_PLL_SCLK_LOGIC_SOFT_RESET 0x00010000
72#define __APP_PLL_SCLK_CNTLMT0_1_MK 0x0000c000
73#define __APP_PLL_SCLK_CNTLMT0_1_SH 14
74#define __APP_PLL_SCLK_CNTLMT0_1(_v) ((_v) << __APP_PLL_SCLK_CNTLMT0_1_SH)
75#define __APP_PLL_SCLK_JITLMT0_1_MK 0x00003000
76#define __APP_PLL_SCLK_JITLMT0_1_SH 12
77#define __APP_PLL_SCLK_JITLMT0_1(_v) ((_v) << __APP_PLL_SCLK_JITLMT0_1_SH)
78#define __APP_PLL_SCLK_HREF 0x00000800
79#define __APP_PLL_SCLK_HDIV 0x00000400
80#define __APP_PLL_SCLK_P0_1_MK 0x00000300
81#define __APP_PLL_SCLK_P0_1_SH 8
82#define __APP_PLL_SCLK_P0_1(_v) ((_v) << __APP_PLL_SCLK_P0_1_SH)
83#define __APP_PLL_SCLK_Z0_2_MK 0x000000e0
84#define __APP_PLL_SCLK_Z0_2_SH 5
85#define __APP_PLL_SCLK_Z0_2(_v) ((_v) << __APP_PLL_SCLK_Z0_2_SH)
86#define __APP_PLL_SCLK_RSEL200500 0x00000010
87#define __APP_PLL_SCLK_ENARST 0x00000008
88#define __APP_PLL_SCLK_BYPASS 0x00000004
89#define __APP_PLL_SCLK_LRESETN 0x00000002
90#define __APP_PLL_SCLK_ENABLE 0x00000001
91#define __ENABLE_MAC_AHB_1 0x00800000 /* ct */
92#define __ENABLE_MAC_AHB_0 0x00400000 /* ct */
93#define __ENABLE_MAC_1 0x00200000 /* ct */
94#define __ENABLE_MAC_0 0x00100000 /* ct */
95
96#define HOST_SEM0_REG 0x00014230 /* cb/ct */
97#define HOST_SEM1_REG 0x00014234 /* cb/ct */
98#define HOST_SEM2_REG 0x00014238 /* cb/ct */
99#define HOST_SEM3_REG 0x0001423c /* cb/ct */
100#define HOST_SEM4_REG 0x00014610 /* cb/ct */
101#define HOST_SEM5_REG 0x00014614 /* cb/ct */
102#define HOST_SEM6_REG 0x00014618 /* cb/ct */
103#define HOST_SEM7_REG 0x0001461c /* cb/ct */
104#define HOST_SEM0_INFO_REG 0x00014240 /* cb/ct */
105#define HOST_SEM1_INFO_REG 0x00014244 /* cb/ct */
106#define HOST_SEM2_INFO_REG 0x00014248 /* cb/ct */
107#define HOST_SEM3_INFO_REG 0x0001424c /* cb/ct */
108#define HOST_SEM4_INFO_REG 0x00014620 /* cb/ct */
109#define HOST_SEM5_INFO_REG 0x00014624 /* cb/ct */
110#define HOST_SEM6_INFO_REG 0x00014628 /* cb/ct */
111#define HOST_SEM7_INFO_REG 0x0001462c /* cb/ct */
112
113#define HOSTFN0_LPU0_CMD_STAT 0x00019000 /* cb/ct */
114#define HOSTFN0_LPU1_CMD_STAT 0x00019004 /* cb/ct */
115#define HOSTFN1_LPU0_CMD_STAT 0x00019010 /* cb/ct */
116#define HOSTFN1_LPU1_CMD_STAT 0x00019014 /* cb/ct */
117#define HOSTFN2_LPU0_CMD_STAT 0x00019150 /* ct */
118#define HOSTFN2_LPU1_CMD_STAT 0x00019154 /* ct */
119#define HOSTFN3_LPU0_CMD_STAT 0x00019160 /* ct */
120#define HOSTFN3_LPU1_CMD_STAT 0x00019164 /* ct */
121#define LPU0_HOSTFN0_CMD_STAT 0x00019008 /* cb/ct */
122#define LPU1_HOSTFN0_CMD_STAT 0x0001900c /* cb/ct */
123#define LPU0_HOSTFN1_CMD_STAT 0x00019018 /* cb/ct */
124#define LPU1_HOSTFN1_CMD_STAT 0x0001901c /* cb/ct */
125#define LPU0_HOSTFN2_CMD_STAT 0x00019158 /* ct */
126#define LPU1_HOSTFN2_CMD_STAT 0x0001915c /* ct */
127#define LPU0_HOSTFN3_CMD_STAT 0x00019168 /* ct */
128#define LPU1_HOSTFN3_CMD_STAT 0x0001916c /* ct */
129
130#define PSS_CTL_REG 0x00018800 /* cb/ct */
131#define __PSS_I2C_CLK_DIV_MK 0x007f0000
132#define __PSS_I2C_CLK_DIV_SH 16
133#define __PSS_I2C_CLK_DIV(_v) ((_v) << __PSS_I2C_CLK_DIV_SH)
134#define __PSS_LMEM_INIT_DONE 0x00001000
135#define __PSS_LMEM_RESET 0x00000200
136#define __PSS_LMEM_INIT_EN 0x00000100
137#define __PSS_LPU1_RESET 0x00000002
138#define __PSS_LPU0_RESET 0x00000001
139#define PSS_ERR_STATUS_REG 0x00018810 /* cb/ct */
140#define ERR_SET_REG 0x00018818 /* cb/ct */
141#define PSS_GPIO_OUT_REG 0x000188c0 /* cb/ct */
142#define __PSS_GPIO_OUT_REG 0x00000fff
143#define PSS_GPIO_OE_REG 0x000188c8 /* cb/ct */
144#define __PSS_GPIO_OE_REG 0x000000ff
145
146#define HOSTFN0_LPU_MBOX0_0 0x00019200 /* cb/ct */
147#define HOSTFN1_LPU_MBOX0_8 0x00019260 /* cb/ct */
148#define LPU_HOSTFN0_MBOX0_0 0x00019280 /* cb/ct */
149#define LPU_HOSTFN1_MBOX0_8 0x000192e0 /* cb/ct */
150#define HOSTFN2_LPU_MBOX0_0 0x00019400 /* ct */
151#define HOSTFN3_LPU_MBOX0_8 0x00019460 /* ct */
152#define LPU_HOSTFN2_MBOX0_0 0x00019480 /* ct */
153#define LPU_HOSTFN3_MBOX0_8 0x000194e0 /* ct */
154
155#define HOST_MSIX_ERR_INDEX_FN0 0x0001400c /* ct */
156#define HOST_MSIX_ERR_INDEX_FN1 0x0001410c /* ct */
157#define HOST_MSIX_ERR_INDEX_FN2 0x0001430c /* ct */
158#define HOST_MSIX_ERR_INDEX_FN3 0x0001440c /* ct */
159
160#define MBIST_CTL_REG 0x00014220 /* ct */
161#define __EDRAM_BISTR_START 0x00000004
162#define MBIST_STAT_REG 0x00014224 /* ct */
163#define ETH_MAC_SER_REG 0x00014288 /* ct */
164#define __APP_EMS_CKBUFAMPIN 0x00000020
165#define __APP_EMS_REFCLKSEL 0x00000010
166#define __APP_EMS_CMLCKSEL 0x00000008
167#define __APP_EMS_REFCKBUFEN2 0x00000004
168#define __APP_EMS_REFCKBUFEN1 0x00000002
169#define __APP_EMS_CHANNEL_SEL 0x00000001
170#define FNC_PERS_REG 0x00014604 /* ct */
171#define __F3_FUNCTION_ACTIVE 0x80000000
172#define __F3_FUNCTION_MODE 0x40000000
173#define __F3_PORT_MAP_MK 0x30000000
174#define __F3_PORT_MAP_SH 28
175#define __F3_PORT_MAP(_v) ((_v) << __F3_PORT_MAP_SH)
176#define __F3_VM_MODE 0x08000000
177#define __F3_INTX_STATUS_MK 0x07000000
178#define __F3_INTX_STATUS_SH 24
179#define __F3_INTX_STATUS(_v) ((_v) << __F3_INTX_STATUS_SH)
180#define __F2_FUNCTION_ACTIVE 0x00800000
181#define __F2_FUNCTION_MODE 0x00400000
182#define __F2_PORT_MAP_MK 0x00300000
183#define __F2_PORT_MAP_SH 20
184#define __F2_PORT_MAP(_v) ((_v) << __F2_PORT_MAP_SH)
185#define __F2_VM_MODE 0x00080000
186#define __F2_INTX_STATUS_MK 0x00070000
187#define __F2_INTX_STATUS_SH 16
188#define __F2_INTX_STATUS(_v) ((_v) << __F2_INTX_STATUS_SH)
189#define __F1_FUNCTION_ACTIVE 0x00008000
190#define __F1_FUNCTION_MODE 0x00004000
191#define __F1_PORT_MAP_MK 0x00003000
192#define __F1_PORT_MAP_SH 12
193#define __F1_PORT_MAP(_v) ((_v) << __F1_PORT_MAP_SH)
194#define __F1_VM_MODE 0x00000800
195#define __F1_INTX_STATUS_MK 0x00000700
196#define __F1_INTX_STATUS_SH 8
197#define __F1_INTX_STATUS(_v) ((_v) << __F1_INTX_STATUS_SH)
198#define __F0_FUNCTION_ACTIVE 0x00000080
199#define __F0_FUNCTION_MODE 0x00000040
200#define __F0_PORT_MAP_MK 0x00000030
201#define __F0_PORT_MAP_SH 4
202#define __F0_PORT_MAP(_v) ((_v) << __F0_PORT_MAP_SH)
203#define __F0_VM_MODE 0x00000008
204#define __F0_INTX_STATUS 0x00000007
205enum {
206 __F0_INTX_STATUS_MSIX = 0x0,
207 __F0_INTX_STATUS_INTA = 0x1,
208 __F0_INTX_STATUS_INTB = 0x2,
209 __F0_INTX_STATUS_INTC = 0x3,
210 __F0_INTX_STATUS_INTD = 0x4,
211};
212
213#define OP_MODE 0x0001460c
214#define __APP_ETH_CLK_LOWSPEED 0x00000004
215#define __GLOBAL_CORECLK_HALFSPEED 0x00000002
216#define __GLOBAL_FCOE_MODE 0x00000001
217#define FW_INIT_HALT_P0 0x000191ac
218#define __FW_INIT_HALT_P 0x00000001
219#define FW_INIT_HALT_P1 0x000191bc
220#define PMM_1T_RESET_REG_P0 0x0002381c
221#define __PMM_1T_RESET_P 0x00000001
222#define PMM_1T_RESET_REG_P1 0x00023c1c
223
224/**
225 * Brocade 1860 Adapter specific defines
226 */
227#define CT2_PCI_CPQ_BASE 0x00030000
228#define CT2_PCI_APP_BASE 0x00030100
229#define CT2_PCI_ETH_BASE 0x00030400
230
231/*
232 * APP block registers
233 */
234#define CT2_HOSTFN_INT_STATUS (CT2_PCI_APP_BASE + 0x00)
235#define CT2_HOSTFN_INTR_MASK (CT2_PCI_APP_BASE + 0x04)
236#define CT2_HOSTFN_PERSONALITY0 (CT2_PCI_APP_BASE + 0x08)
237#define __PME_STATUS_ 0x00200000
238#define __PF_VF_BAR_SIZE_MODE__MK 0x00180000
239#define __PF_VF_BAR_SIZE_MODE__SH 19
240#define __PF_VF_BAR_SIZE_MODE_(_v) ((_v) << __PF_VF_BAR_SIZE_MODE__SH)
241#define __FC_LL_PORT_MAP__MK 0x00060000
242#define __FC_LL_PORT_MAP__SH 17
243#define __FC_LL_PORT_MAP_(_v) ((_v) << __FC_LL_PORT_MAP__SH)
244#define __PF_VF_ACTIVE_ 0x00010000
245#define __PF_VF_CFG_RDY_ 0x00008000
246#define __PF_VF_ENABLE_ 0x00004000
247#define __PF_DRIVER_ACTIVE_ 0x00002000
248#define __PF_PME_SEND_ENABLE_ 0x00001000
249#define __PF_EXROM_OFFSET__MK 0x00000ff0
250#define __PF_EXROM_OFFSET__SH 4
251#define __PF_EXROM_OFFSET_(_v) ((_v) << __PF_EXROM_OFFSET__SH)
252#define __FC_LL_MODE_ 0x00000008
253#define __PF_INTX_PIN_ 0x00000007
254#define CT2_HOSTFN_PERSONALITY1 (CT2_PCI_APP_BASE + 0x0C)
255#define __PF_NUM_QUEUES1__MK 0xff000000
256#define __PF_NUM_QUEUES1__SH 24
257#define __PF_NUM_QUEUES1_(_v) ((_v) << __PF_NUM_QUEUES1__SH)
258#define __PF_VF_QUE_OFFSET1__MK 0x00ff0000
259#define __PF_VF_QUE_OFFSET1__SH 16
260#define __PF_VF_QUE_OFFSET1_(_v) ((_v) << __PF_VF_QUE_OFFSET1__SH)
261#define __PF_VF_NUM_QUEUES__MK 0x0000ff00
262#define __PF_VF_NUM_QUEUES__SH 8
263#define __PF_VF_NUM_QUEUES_(_v) ((_v) << __PF_VF_NUM_QUEUES__SH)
264#define __PF_VF_QUE_OFFSET_ 0x000000ff
265#define CT2_HOSTFN_PAGE_NUM (CT2_PCI_APP_BASE + 0x18)
266#define CT2_HOSTFN_MSIX_VT_INDEX_MBOX_ERR (CT2_PCI_APP_BASE + 0x38)
267
268/*
269 * Brocade 1860 adapter CPQ block registers
270 */
271#define CT2_HOSTFN_LPU0_MBOX0 (CT2_PCI_CPQ_BASE + 0x00)
272#define CT2_HOSTFN_LPU1_MBOX0 (CT2_PCI_CPQ_BASE + 0x20)
273#define CT2_LPU0_HOSTFN_MBOX0 (CT2_PCI_CPQ_BASE + 0x40)
274#define CT2_LPU1_HOSTFN_MBOX0 (CT2_PCI_CPQ_BASE + 0x60)
275#define CT2_HOSTFN_LPU0_CMD_STAT (CT2_PCI_CPQ_BASE + 0x80)
276#define CT2_HOSTFN_LPU1_CMD_STAT (CT2_PCI_CPQ_BASE + 0x84)
277#define CT2_LPU0_HOSTFN_CMD_STAT (CT2_PCI_CPQ_BASE + 0x88)
278#define CT2_LPU1_HOSTFN_CMD_STAT (CT2_PCI_CPQ_BASE + 0x8c)
279#define CT2_HOSTFN_LPU0_READ_STAT (CT2_PCI_CPQ_BASE + 0x90)
280#define CT2_HOSTFN_LPU1_READ_STAT (CT2_PCI_CPQ_BASE + 0x94)
281#define CT2_LPU0_HOSTFN_MBOX0_MSK (CT2_PCI_CPQ_BASE + 0x98)
282#define CT2_LPU1_HOSTFN_MBOX0_MSK (CT2_PCI_CPQ_BASE + 0x9C)
283#define CT2_HOST_SEM0_REG 0x000148f0
284#define CT2_HOST_SEM1_REG 0x000148f4
285#define CT2_HOST_SEM2_REG 0x000148f8
286#define CT2_HOST_SEM3_REG 0x000148fc
287#define CT2_HOST_SEM4_REG 0x00014900
288#define CT2_HOST_SEM5_REG 0x00014904
289#define CT2_HOST_SEM6_REG 0x00014908
290#define CT2_HOST_SEM7_REG 0x0001490c
291#define CT2_HOST_SEM0_INFO_REG 0x000148b0
292#define CT2_HOST_SEM1_INFO_REG 0x000148b4
293#define CT2_HOST_SEM2_INFO_REG 0x000148b8
294#define CT2_HOST_SEM3_INFO_REG 0x000148bc
295#define CT2_HOST_SEM4_INFO_REG 0x000148c0
296#define CT2_HOST_SEM5_INFO_REG 0x000148c4
297#define CT2_HOST_SEM6_INFO_REG 0x000148c8
298#define CT2_HOST_SEM7_INFO_REG 0x000148cc
299
300#define CT2_APP_PLL_LCLK_CTL_REG 0x00014808
301#define __APP_LPUCLK_HALFSPEED 0x40000000
302#define __APP_PLL_LCLK_LOAD 0x20000000
303#define __APP_PLL_LCLK_FBCNT_MK 0x1fe00000
304#define __APP_PLL_LCLK_FBCNT_SH 21
305#define __APP_PLL_LCLK_FBCNT(_v) ((_v) << __APP_PLL_SCLK_FBCNT_SH)
306enum {
307 __APP_PLL_LCLK_FBCNT_425_MHZ = 6,
308 __APP_PLL_LCLK_FBCNT_468_MHZ = 4,
309};
310#define __APP_PLL_LCLK_EXTFB 0x00000800
311#define __APP_PLL_LCLK_ENOUTS 0x00000400
312#define __APP_PLL_LCLK_RATE 0x00000010
313#define CT2_APP_PLL_SCLK_CTL_REG 0x0001480c
314#define __P_SCLK_PLL_LOCK 0x80000000
315#define __APP_PLL_SCLK_REFCLK_SEL 0x40000000
316#define __APP_PLL_SCLK_CLK_DIV2 0x20000000
317#define __APP_PLL_SCLK_LOAD 0x10000000
318#define __APP_PLL_SCLK_FBCNT_MK 0x0ff00000
319#define __APP_PLL_SCLK_FBCNT_SH 20
320#define __APP_PLL_SCLK_FBCNT(_v) ((_v) << __APP_PLL_SCLK_FBCNT_SH)
321enum {
322 __APP_PLL_SCLK_FBCNT_NORM = 6,
323 __APP_PLL_SCLK_FBCNT_10G_FC = 10,
324};
325#define __APP_PLL_SCLK_EXTFB 0x00000800
326#define __APP_PLL_SCLK_ENOUTS 0x00000400
327#define __APP_PLL_SCLK_RATE 0x00000010
328#define CT2_PCIE_MISC_REG 0x00014804
329#define __ETH_CLK_ENABLE_PORT1 0x00000010
330#define CT2_CHIP_MISC_PRG 0x000148a4
331#define __ETH_CLK_ENABLE_PORT0 0x00004000
332#define __APP_LPU_SPEED 0x00000002
333#define CT2_MBIST_STAT_REG 0x00014818
334#define CT2_MBIST_CTL_REG 0x0001481c
335#define CT2_PMM_1T_CONTROL_REG_P0 0x0002381c
336#define __PMM_1T_PNDB_P 0x00000002
337#define CT2_PMM_1T_CONTROL_REG_P1 0x00023c1c
338#define CT2_WGN_STATUS 0x00014990
339#define __A2T_AHB_LOAD 0x00000800
340#define __WGN_READY 0x00000400
341#define __GLBL_PF_VF_CFG_RDY 0x00000200
342#define CT2_NFC_CSR_SET_REG 0x00027424
343#define __HALT_NFC_CONTROLLER 0x00000002
344#define __NFC_CONTROLLER_HALTED 0x00001000
345
346#define CT2_CSI_MAC0_CONTROL_REG 0x000270d0
347#define __CSI_MAC_RESET 0x00000010
348#define __CSI_MAC_AHB_RESET 0x00000008
349#define CT2_CSI_MAC1_CONTROL_REG 0x000270d4
350#define CT2_CSI_MAC_CONTROL_REG(__n) \
351 (CT2_CSI_MAC0_CONTROL_REG + \
352 (__n) * (CT2_CSI_MAC1_CONTROL_REG - CT2_CSI_MAC0_CONTROL_REG))
353
354/*
355 * Name semaphore registers based on usage
356 */
357#define BFA_IOC0_HBEAT_REG HOST_SEM0_INFO_REG
358#define BFA_IOC0_STATE_REG HOST_SEM1_INFO_REG
359#define BFA_IOC1_HBEAT_REG HOST_SEM2_INFO_REG
360#define BFA_IOC1_STATE_REG HOST_SEM3_INFO_REG
361#define BFA_FW_USE_COUNT HOST_SEM4_INFO_REG
362#define BFA_IOC_FAIL_SYNC HOST_SEM5_INFO_REG
363
364/*
365 * CT2 semaphore register locations changed
366 */
367#define CT2_BFA_IOC0_HBEAT_REG CT2_HOST_SEM0_INFO_REG
368#define CT2_BFA_IOC0_STATE_REG CT2_HOST_SEM1_INFO_REG
369#define CT2_BFA_IOC1_HBEAT_REG CT2_HOST_SEM2_INFO_REG
370#define CT2_BFA_IOC1_STATE_REG CT2_HOST_SEM3_INFO_REG
371#define CT2_BFA_FW_USE_COUNT CT2_HOST_SEM4_INFO_REG
372#define CT2_BFA_IOC_FAIL_SYNC CT2_HOST_SEM5_INFO_REG
373
374#define CPE_Q_NUM(__fn, __q) (((__fn) << 2) + (__q))
375#define RME_Q_NUM(__fn, __q) (((__fn) << 2) + (__q))
376
377/*
378 * And corresponding host interrupt status bit field defines
379 */
380#define __HFN_INT_CPE_Q0 0x00000001U
381#define __HFN_INT_CPE_Q1 0x00000002U
382#define __HFN_INT_CPE_Q2 0x00000004U
383#define __HFN_INT_CPE_Q3 0x00000008U
384#define __HFN_INT_CPE_Q4 0x00000010U
385#define __HFN_INT_CPE_Q5 0x00000020U
386#define __HFN_INT_CPE_Q6 0x00000040U
387#define __HFN_INT_CPE_Q7 0x00000080U
388#define __HFN_INT_RME_Q0 0x00000100U
389#define __HFN_INT_RME_Q1 0x00000200U
390#define __HFN_INT_RME_Q2 0x00000400U
391#define __HFN_INT_RME_Q3 0x00000800U
392#define __HFN_INT_RME_Q4 0x00001000U
393#define __HFN_INT_RME_Q5 0x00002000U
394#define __HFN_INT_RME_Q6 0x00004000U
395#define __HFN_INT_RME_Q7 0x00008000U
396#define __HFN_INT_ERR_EMC 0x00010000U
397#define __HFN_INT_ERR_LPU0 0x00020000U
398#define __HFN_INT_ERR_LPU1 0x00040000U
399#define __HFN_INT_ERR_PSS 0x00080000U
400#define __HFN_INT_MBOX_LPU0 0x00100000U
401#define __HFN_INT_MBOX_LPU1 0x00200000U
402#define __HFN_INT_MBOX1_LPU0 0x00400000U
403#define __HFN_INT_MBOX1_LPU1 0x00800000U
404#define __HFN_INT_LL_HALT 0x01000000U
405#define __HFN_INT_CPE_MASK 0x000000ffU
406#define __HFN_INT_RME_MASK 0x0000ff00U
407#define __HFN_INT_ERR_MASK \
408 (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 | __HFN_INT_ERR_LPU1 | \
409 __HFN_INT_ERR_PSS | __HFN_INT_LL_HALT)
410#define __HFN_INT_FN0_MASK \
411 (__HFN_INT_CPE_Q0 | __HFN_INT_CPE_Q1 | __HFN_INT_CPE_Q2 | \
412 __HFN_INT_CPE_Q3 | __HFN_INT_RME_Q0 | __HFN_INT_RME_Q1 | \
413 __HFN_INT_RME_Q2 | __HFN_INT_RME_Q3 | __HFN_INT_MBOX_LPU0)
414#define __HFN_INT_FN1_MASK \
415 (__HFN_INT_CPE_Q4 | __HFN_INT_CPE_Q5 | __HFN_INT_CPE_Q6 | \
416 __HFN_INT_CPE_Q7 | __HFN_INT_RME_Q4 | __HFN_INT_RME_Q5 | \
417 __HFN_INT_RME_Q6 | __HFN_INT_RME_Q7 | __HFN_INT_MBOX_LPU1)
418
419/*
420 * Host interrupt status defines for 1860
421 */
422#define __HFN_INT_MBOX_LPU0_CT2 0x00010000U
423#define __HFN_INT_MBOX_LPU1_CT2 0x00020000U
424#define __HFN_INT_ERR_PSS_CT2 0x00040000U
425#define __HFN_INT_ERR_LPU0_CT2 0x00080000U
426#define __HFN_INT_ERR_LPU1_CT2 0x00100000U
427#define __HFN_INT_CPQ_HALT_CT2 0x00200000U
428#define __HFN_INT_ERR_WGN_CT2 0x00400000U
429#define __HFN_INT_ERR_LEHRX_CT2 0x00800000U
430#define __HFN_INT_ERR_LEHTX_CT2 0x01000000U
431#define __HFN_INT_ERR_MASK_CT2 \
432 (__HFN_INT_ERR_PSS_CT2 | __HFN_INT_ERR_LPU0_CT2 | \
433 __HFN_INT_ERR_LPU1_CT2 | __HFN_INT_CPQ_HALT_CT2 | \
434 __HFN_INT_ERR_WGN_CT2 | __HFN_INT_ERR_LEHRX_CT2 | \
435 __HFN_INT_ERR_LEHTX_CT2)
436#define __HFN_INT_FN0_MASK_CT2 \
437 (__HFN_INT_CPE_Q0 | __HFN_INT_CPE_Q1 | __HFN_INT_CPE_Q2 | \
438 __HFN_INT_CPE_Q3 | __HFN_INT_RME_Q0 | __HFN_INT_RME_Q1 | \
439 __HFN_INT_RME_Q2 | __HFN_INT_RME_Q3 | __HFN_INT_MBOX_LPU0_CT2)
440#define __HFN_INT_FN1_MASK_CT2 \
441 (__HFN_INT_CPE_Q4 | __HFN_INT_CPE_Q5 | __HFN_INT_CPE_Q6 | \
442 __HFN_INT_CPE_Q7 | __HFN_INT_RME_Q4 | __HFN_INT_RME_Q5 | \
443 __HFN_INT_RME_Q6 | __HFN_INT_RME_Q7 | __HFN_INT_MBOX_LPU1_CT2)
444
445/*
446 * asic memory map.
447 */
448#define PSS_SMEM_PAGE_START 0x8000
449#define PSS_SMEM_PGNUM(_pg0, _ma) ((_pg0) + ((_ma) >> 15))
450#define PSS_SMEM_PGOFF(_ma) ((_ma) & 0x7fff)
451
452#endif /* __BFI_REG_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bna.h b/drivers/net/ethernet/brocade/bna/bna.h
new file mode 100644
index 000000000000..21e9155d6e56
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bna.h
@@ -0,0 +1,548 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13#ifndef __BNA_H__
14#define __BNA_H__
15
16#include "bfa_cs.h"
17#include "bfa_ioc.h"
18#include "cna.h"
19#include "bfi_ll.h"
20#include "bna_types.h"
21
22extern const u32 bna_napi_dim_vector[][BNA_BIAS_T_MAX];
23
24/**
25 *
26 * Macros and constants
27 *
28 */
29
30#define BNA_IOC_TIMER_FREQ 200
31
32/* Log string size */
33#define BNA_MESSAGE_SIZE 256
34
35/* MBOX API for PORT, TX, RX */
36#define bna_mbox_qe_fill(_qe, _cmd, _cmd_len, _cbfn, _cbarg) \
37do { \
38 memcpy(&((_qe)->cmd.msg[0]), (_cmd), (_cmd_len)); \
39 (_qe)->cbfn = (_cbfn); \
40 (_qe)->cbarg = (_cbarg); \
41} while (0)
42
43#define bna_is_small_rxq(rcb) ((rcb)->id == 1)
44
45#define BNA_MAC_IS_EQUAL(_mac1, _mac2) \
46 (!memcmp((_mac1), (_mac2), sizeof(mac_t)))
47
48#define BNA_POWER_OF_2(x) (((x) & ((x) - 1)) == 0)
49
50#define BNA_TO_POWER_OF_2(x) \
51do { \
52 int _shift = 0; \
53 while ((x) && (x) != 1) { \
54 (x) >>= 1; \
55 _shift++; \
56 } \
57 (x) <<= _shift; \
58} while (0)
59
60#define BNA_TO_POWER_OF_2_HIGH(x) \
61do { \
62 int n = 1; \
63 while (n < (x)) \
64 n <<= 1; \
65 (x) = n; \
66} while (0)
67
68/*
69 * input : _addr-> os dma addr in host endian format,
70 * output : _bna_dma_addr-> pointer to hw dma addr
71 */
72#define BNA_SET_DMA_ADDR(_addr, _bna_dma_addr) \
73do { \
74 u64 tmp_addr = \
75 cpu_to_be64((u64)(_addr)); \
76 (_bna_dma_addr)->msb = ((struct bna_dma_addr *)&tmp_addr)->msb; \
77 (_bna_dma_addr)->lsb = ((struct bna_dma_addr *)&tmp_addr)->lsb; \
78} while (0)
79
80/*
81 * input : _bna_dma_addr-> pointer to hw dma addr
82 * output : _addr-> os dma addr in host endian format
83 */
84#define BNA_GET_DMA_ADDR(_bna_dma_addr, _addr) \
85do { \
86 (_addr) = ((((u64)ntohl((_bna_dma_addr)->msb))) << 32) \
87 | ((ntohl((_bna_dma_addr)->lsb) & 0xffffffff)); \
88} while (0)
89
90#define containing_rec(addr, type, field) \
91 ((type *)((unsigned char *)(addr) - \
92 (unsigned char *)(&((type *)0)->field)))
93
94#define BNA_TXQ_WI_NEEDED(_vectors) (((_vectors) + 3) >> 2)
95
96/* TxQ element is 64 bytes */
97#define BNA_TXQ_PAGE_INDEX_MAX (PAGE_SIZE >> 6)
98#define BNA_TXQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 6)
99
100#define BNA_TXQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \
101{ \
102 unsigned int page_index; /* index within a page */ \
103 void *page_addr; \
104 page_index = (_qe_idx) & (BNA_TXQ_PAGE_INDEX_MAX - 1); \
105 (_qe_ptr_range) = (BNA_TXQ_PAGE_INDEX_MAX - page_index); \
106 page_addr = (_qpt_ptr)[((_qe_idx) >> BNA_TXQ_PAGE_INDEX_MAX_SHIFT)];\
107 (_qe_ptr) = &((struct bna_txq_entry *)(page_addr))[page_index]; \
108}
109
110/* RxQ element is 8 bytes */
111#define BNA_RXQ_PAGE_INDEX_MAX (PAGE_SIZE >> 3)
112#define BNA_RXQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 3)
113
114#define BNA_RXQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \
115{ \
116 unsigned int page_index; /* index within a page */ \
117 void *page_addr; \
118 page_index = (_qe_idx) & (BNA_RXQ_PAGE_INDEX_MAX - 1); \
119 (_qe_ptr_range) = (BNA_RXQ_PAGE_INDEX_MAX - page_index); \
120 page_addr = (_qpt_ptr)[((_qe_idx) >> \
121 BNA_RXQ_PAGE_INDEX_MAX_SHIFT)]; \
122 (_qe_ptr) = &((struct bna_rxq_entry *)(page_addr))[page_index]; \
123}
124
125/* CQ element is 16 bytes */
126#define BNA_CQ_PAGE_INDEX_MAX (PAGE_SIZE >> 4)
127#define BNA_CQ_PAGE_INDEX_MAX_SHIFT (PAGE_SHIFT - 4)
128
129#define BNA_CQ_QPGE_PTR_GET(_qe_idx, _qpt_ptr, _qe_ptr, _qe_ptr_range) \
130{ \
131 unsigned int page_index; /* index within a page */ \
132 void *page_addr; \
133 \
134 page_index = (_qe_idx) & (BNA_CQ_PAGE_INDEX_MAX - 1); \
135 (_qe_ptr_range) = (BNA_CQ_PAGE_INDEX_MAX - page_index); \
136 page_addr = (_qpt_ptr)[((_qe_idx) >> \
137 BNA_CQ_PAGE_INDEX_MAX_SHIFT)]; \
138 (_qe_ptr) = &((struct bna_cq_entry *)(page_addr))[page_index];\
139}
140
141#define BNA_QE_INDX_2_PTR(_cast, _qe_idx, _q_base) \
142 (&((_cast *)(_q_base))[(_qe_idx)])
143
144#define BNA_QE_INDX_RANGE(_qe_idx, _q_depth) ((_q_depth) - (_qe_idx))
145
146#define BNA_QE_INDX_ADD(_qe_idx, _qe_num, _q_depth) \
147 ((_qe_idx) = ((_qe_idx) + (_qe_num)) & ((_q_depth) - 1))
148
149#define BNA_Q_INDEX_CHANGE(_old_idx, _updated_idx, _q_depth) \
150 (((_updated_idx) - (_old_idx)) & ((_q_depth) - 1))
151
152#define BNA_QE_FREE_CNT(_q_ptr, _q_depth) \
153 (((_q_ptr)->consumer_index - (_q_ptr)->producer_index - 1) & \
154 ((_q_depth) - 1))
155
156#define BNA_QE_IN_USE_CNT(_q_ptr, _q_depth) \
157 ((((_q_ptr)->producer_index - (_q_ptr)->consumer_index)) & \
158 (_q_depth - 1))
159
160#define BNA_Q_GET_CI(_q_ptr) ((_q_ptr)->q.consumer_index)
161
162#define BNA_Q_GET_PI(_q_ptr) ((_q_ptr)->q.producer_index)
163
164#define BNA_Q_PI_ADD(_q_ptr, _num) \
165 (_q_ptr)->q.producer_index = \
166 (((_q_ptr)->q.producer_index + (_num)) & \
167 ((_q_ptr)->q.q_depth - 1))
168
169#define BNA_Q_CI_ADD(_q_ptr, _num) \
170 (_q_ptr)->q.consumer_index = \
171 (((_q_ptr)->q.consumer_index + (_num)) \
172 & ((_q_ptr)->q.q_depth - 1))
173
174#define BNA_Q_FREE_COUNT(_q_ptr) \
175 (BNA_QE_FREE_CNT(&((_q_ptr)->q), (_q_ptr)->q.q_depth))
176
177#define BNA_Q_IN_USE_COUNT(_q_ptr) \
178 (BNA_QE_IN_USE_CNT(&(_q_ptr)->q, (_q_ptr)->q.q_depth))
179
180/* These macros build the data portion of the TxQ/RxQ doorbell */
181#define BNA_DOORBELL_Q_PRD_IDX(_pi) (0x80000000 | (_pi))
182#define BNA_DOORBELL_Q_STOP (0x40000000)
183
184/* These macros build the data portion of the IB doorbell */
185#define BNA_DOORBELL_IB_INT_ACK(_timeout, _events) \
186 (0x80000000 | ((_timeout) << 16) | (_events))
187#define BNA_DOORBELL_IB_INT_DISABLE (0x40000000)
188
189/* Set the coalescing timer for the given ib */
190#define bna_ib_coalescing_timer_set(_i_dbell, _cls_timer) \
191 ((_i_dbell)->doorbell_ack = BNA_DOORBELL_IB_INT_ACK((_cls_timer), 0));
192
193/* Acks 'events' # of events for a given ib */
194#define bna_ib_ack(_i_dbell, _events) \
195 (writel(((_i_dbell)->doorbell_ack | (_events)), \
196 (_i_dbell)->doorbell_addr));
197
198#define bna_txq_prod_indx_doorbell(_tcb) \
199 (writel(BNA_DOORBELL_Q_PRD_IDX((_tcb)->producer_index), \
200 (_tcb)->q_dbell));
201
202#define bna_rxq_prod_indx_doorbell(_rcb) \
203 (writel(BNA_DOORBELL_Q_PRD_IDX((_rcb)->producer_index), \
204 (_rcb)->q_dbell));
205
206#define BNA_LARGE_PKT_SIZE 1000
207
208#define BNA_UPDATE_PKT_CNT(_pkt, _len) \
209do { \
210 if ((_len) > BNA_LARGE_PKT_SIZE) { \
211 (_pkt)->large_pkt_cnt++; \
212 } else { \
213 (_pkt)->small_pkt_cnt++; \
214 } \
215} while (0)
216
217#define call_rxf_stop_cbfn(rxf, status) \
218 if ((rxf)->stop_cbfn) { \
219 (*(rxf)->stop_cbfn)((rxf)->stop_cbarg, (status)); \
220 (rxf)->stop_cbfn = NULL; \
221 (rxf)->stop_cbarg = NULL; \
222 }
223
224#define call_rxf_start_cbfn(rxf, status) \
225 if ((rxf)->start_cbfn) { \
226 (*(rxf)->start_cbfn)((rxf)->start_cbarg, (status)); \
227 (rxf)->start_cbfn = NULL; \
228 (rxf)->start_cbarg = NULL; \
229 }
230
231#define call_rxf_cam_fltr_cbfn(rxf, status) \
232 if ((rxf)->cam_fltr_cbfn) { \
233 (*(rxf)->cam_fltr_cbfn)((rxf)->cam_fltr_cbarg, rxf->rx, \
234 (status)); \
235 (rxf)->cam_fltr_cbfn = NULL; \
236 (rxf)->cam_fltr_cbarg = NULL; \
237 }
238
239#define call_rxf_pause_cbfn(rxf, status) \
240 if ((rxf)->oper_state_cbfn) { \
241 (*(rxf)->oper_state_cbfn)((rxf)->oper_state_cbarg, rxf->rx,\
242 (status)); \
243 (rxf)->rxf_flags &= ~BNA_RXF_FL_OPERSTATE_CHANGED; \
244 (rxf)->oper_state_cbfn = NULL; \
245 (rxf)->oper_state_cbarg = NULL; \
246 }
247
248#define call_rxf_resume_cbfn(rxf, status) call_rxf_pause_cbfn(rxf, status)
249
250#define is_xxx_enable(mode, bitmask, xxx) ((bitmask & xxx) && (mode & xxx))
251
252#define is_xxx_disable(mode, bitmask, xxx) ((bitmask & xxx) && !(mode & xxx))
253
254#define xxx_enable(mode, bitmask, xxx) \
255do { \
256 bitmask |= xxx; \
257 mode |= xxx; \
258} while (0)
259
260#define xxx_disable(mode, bitmask, xxx) \
261do { \
262 bitmask |= xxx; \
263 mode &= ~xxx; \
264} while (0)
265
266#define xxx_inactive(mode, bitmask, xxx) \
267do { \
268 bitmask &= ~xxx; \
269 mode &= ~xxx; \
270} while (0)
271
272#define is_promisc_enable(mode, bitmask) \
273 is_xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC)
274
275#define is_promisc_disable(mode, bitmask) \
276 is_xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC)
277
278#define promisc_enable(mode, bitmask) \
279 xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC)
280
281#define promisc_disable(mode, bitmask) \
282 xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC)
283
284#define promisc_inactive(mode, bitmask) \
285 xxx_inactive(mode, bitmask, BNA_RXMODE_PROMISC)
286
287#define is_default_enable(mode, bitmask) \
288 is_xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT)
289
290#define is_default_disable(mode, bitmask) \
291 is_xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT)
292
293#define default_enable(mode, bitmask) \
294 xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT)
295
296#define default_disable(mode, bitmask) \
297 xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT)
298
299#define default_inactive(mode, bitmask) \
300 xxx_inactive(mode, bitmask, BNA_RXMODE_DEFAULT)
301
302#define is_allmulti_enable(mode, bitmask) \
303 is_xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI)
304
305#define is_allmulti_disable(mode, bitmask) \
306 is_xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI)
307
308#define allmulti_enable(mode, bitmask) \
309 xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI)
310
311#define allmulti_disable(mode, bitmask) \
312 xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI)
313
314#define allmulti_inactive(mode, bitmask) \
315 xxx_inactive(mode, bitmask, BNA_RXMODE_ALLMULTI)
316
317#define GET_RXQS(rxp, q0, q1) do { \
318 switch ((rxp)->type) { \
319 case BNA_RXP_SINGLE: \
320 (q0) = rxp->rxq.single.only; \
321 (q1) = NULL; \
322 break; \
323 case BNA_RXP_SLR: \
324 (q0) = rxp->rxq.slr.large; \
325 (q1) = rxp->rxq.slr.small; \
326 break; \
327 case BNA_RXP_HDS: \
328 (q0) = rxp->rxq.hds.data; \
329 (q1) = rxp->rxq.hds.hdr; \
330 break; \
331 } \
332} while (0)
333
334/**
335 *
336 * Function prototypes
337 *
338 */
339
340/**
341 * BNA
342 */
343
344/* APIs for BNAD */
345void bna_res_req(struct bna_res_info *res_info);
346void bna_init(struct bna *bna, struct bnad *bnad,
347 struct bfa_pcidev *pcidev,
348 struct bna_res_info *res_info);
349void bna_uninit(struct bna *bna);
350void bna_stats_get(struct bna *bna);
351void bna_get_perm_mac(struct bna *bna, u8 *mac);
352
353/* APIs for Rx */
354int bna_rit_mod_can_satisfy(struct bna_rit_mod *rit_mod, int seg_size);
355
356/* APIs for RxF */
357struct bna_mac *bna_ucam_mod_mac_get(struct bna_ucam_mod *ucam_mod);
358void bna_ucam_mod_mac_put(struct bna_ucam_mod *ucam_mod,
359 struct bna_mac *mac);
360struct bna_mac *bna_mcam_mod_mac_get(struct bna_mcam_mod *mcam_mod);
361void bna_mcam_mod_mac_put(struct bna_mcam_mod *mcam_mod,
362 struct bna_mac *mac);
363struct bna_rit_segment *
364bna_rit_mod_seg_get(struct bna_rit_mod *rit_mod, int seg_size);
365void bna_rit_mod_seg_put(struct bna_rit_mod *rit_mod,
366 struct bna_rit_segment *seg);
367
368/**
369 * DEVICE
370 */
371
372/* APIs for BNAD */
373void bna_device_enable(struct bna_device *device);
374void bna_device_disable(struct bna_device *device,
375 enum bna_cleanup_type type);
376
377/**
378 * MBOX
379 */
380
381/* APIs for PORT, TX, RX */
382void bna_mbox_handler(struct bna *bna, u32 intr_status);
383void bna_mbox_send(struct bna *bna, struct bna_mbox_qe *mbox_qe);
384
385/**
386 * PORT
387 */
388
389/* API for RX */
390int bna_port_mtu_get(struct bna_port *port);
391void bna_llport_rx_started(struct bna_llport *llport);
392void bna_llport_rx_stopped(struct bna_llport *llport);
393
394/* API for BNAD */
395void bna_port_enable(struct bna_port *port);
396void bna_port_disable(struct bna_port *port, enum bna_cleanup_type type,
397 void (*cbfn)(void *, enum bna_cb_status));
398void bna_port_pause_config(struct bna_port *port,
399 struct bna_pause_config *pause_config,
400 void (*cbfn)(struct bnad *, enum bna_cb_status));
401void bna_port_mtu_set(struct bna_port *port, int mtu,
402 void (*cbfn)(struct bnad *, enum bna_cb_status));
403void bna_port_mac_get(struct bna_port *port, mac_t *mac);
404
405/* Callbacks for TX, RX */
406void bna_port_cb_tx_stopped(struct bna_port *port,
407 enum bna_cb_status status);
408void bna_port_cb_rx_stopped(struct bna_port *port,
409 enum bna_cb_status status);
410
411/**
412 * IB
413 */
414
415/* APIs for BNA */
416void bna_ib_mod_init(struct bna_ib_mod *ib_mod, struct bna *bna,
417 struct bna_res_info *res_info);
418void bna_ib_mod_uninit(struct bna_ib_mod *ib_mod);
419
420/**
421 * TX MODULE AND TX
422 */
423
424/* APIs for BNA */
425void bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna,
426 struct bna_res_info *res_info);
427void bna_tx_mod_uninit(struct bna_tx_mod *tx_mod);
428int bna_tx_state_get(struct bna_tx *tx);
429
430/* APIs for PORT */
431void bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type);
432void bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type);
433void bna_tx_mod_fail(struct bna_tx_mod *tx_mod);
434void bna_tx_mod_prio_changed(struct bna_tx_mod *tx_mod, int prio);
435void bna_tx_mod_cee_link_status(struct bna_tx_mod *tx_mod, int cee_link);
436
437/* APIs for BNAD */
438void bna_tx_res_req(int num_txq, int txq_depth,
439 struct bna_res_info *res_info);
440struct bna_tx *bna_tx_create(struct bna *bna, struct bnad *bnad,
441 struct bna_tx_config *tx_cfg,
442 struct bna_tx_event_cbfn *tx_cbfn,
443 struct bna_res_info *res_info, void *priv);
444void bna_tx_destroy(struct bna_tx *tx);
445void bna_tx_enable(struct bna_tx *tx);
446void bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type,
447 void (*cbfn)(void *, struct bna_tx *,
448 enum bna_cb_status));
449void bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo);
450
451/**
452 * RX MODULE, RX, RXF
453 */
454
455/* Internal APIs */
456void rxf_cb_cam_fltr_mbox_cmd(void *arg, int status);
457void rxf_cam_mbox_cmd(struct bna_rxf *rxf, u8 cmd,
458 const struct bna_mac *mac_addr);
459void __rxf_vlan_filter_set(struct bna_rxf *rxf, enum bna_status status);
460void bna_rxf_adv_init(struct bna_rxf *rxf,
461 struct bna_rx *rx,
462 struct bna_rx_config *q_config);
463int rxf_process_packet_filter_ucast(struct bna_rxf *rxf);
464int rxf_process_packet_filter_promisc(struct bna_rxf *rxf);
465int rxf_process_packet_filter_default(struct bna_rxf *rxf);
466int rxf_process_packet_filter_allmulti(struct bna_rxf *rxf);
467int rxf_clear_packet_filter_ucast(struct bna_rxf *rxf);
468int rxf_clear_packet_filter_promisc(struct bna_rxf *rxf);
469int rxf_clear_packet_filter_default(struct bna_rxf *rxf);
470int rxf_clear_packet_filter_allmulti(struct bna_rxf *rxf);
471void rxf_reset_packet_filter_ucast(struct bna_rxf *rxf);
472void rxf_reset_packet_filter_promisc(struct bna_rxf *rxf);
473void rxf_reset_packet_filter_default(struct bna_rxf *rxf);
474void rxf_reset_packet_filter_allmulti(struct bna_rxf *rxf);
475
476/* APIs for BNA */
477void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna,
478 struct bna_res_info *res_info);
479void bna_rx_mod_uninit(struct bna_rx_mod *rx_mod);
480int bna_rx_state_get(struct bna_rx *rx);
481int bna_rxf_state_get(struct bna_rxf *rxf);
482
483/* APIs for PORT */
484void bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type);
485void bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type);
486void bna_rx_mod_fail(struct bna_rx_mod *rx_mod);
487
488/* APIs for BNAD */
489void bna_rx_res_req(struct bna_rx_config *rx_config,
490 struct bna_res_info *res_info);
491struct bna_rx *bna_rx_create(struct bna *bna, struct bnad *bnad,
492 struct bna_rx_config *rx_cfg,
493 struct bna_rx_event_cbfn *rx_cbfn,
494 struct bna_res_info *res_info, void *priv);
495void bna_rx_destroy(struct bna_rx *rx);
496void bna_rx_enable(struct bna_rx *rx);
497void bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type,
498 void (*cbfn)(void *, struct bna_rx *,
499 enum bna_cb_status));
500void bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo);
501void bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX]);
502void bna_rx_dim_update(struct bna_ccb *ccb);
503enum bna_cb_status
504bna_rx_ucast_set(struct bna_rx *rx, u8 *ucmac,
505 void (*cbfn)(struct bnad *, struct bna_rx *,
506 enum bna_cb_status));
507enum bna_cb_status
508bna_rx_mcast_add(struct bna_rx *rx, u8 *mcmac,
509 void (*cbfn)(struct bnad *, struct bna_rx *,
510 enum bna_cb_status));
511enum bna_cb_status
512bna_rx_mcast_listset(struct bna_rx *rx, int count, u8 *mcmac,
513 void (*cbfn)(struct bnad *, struct bna_rx *,
514 enum bna_cb_status));
515enum bna_cb_status
516bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode rxmode,
517 enum bna_rxmode bitmask,
518 void (*cbfn)(struct bnad *, struct bna_rx *,
519 enum bna_cb_status));
520void bna_rx_vlan_add(struct bna_rx *rx, int vlan_id);
521void bna_rx_vlan_del(struct bna_rx *rx, int vlan_id);
522void bna_rx_vlanfilter_enable(struct bna_rx *rx);
523void bna_rx_hds_enable(struct bna_rx *rx, struct bna_rxf_hds *hds_config,
524 void (*cbfn)(struct bnad *, struct bna_rx *,
525 enum bna_cb_status));
526void bna_rx_hds_disable(struct bna_rx *rx,
527 void (*cbfn)(struct bnad *, struct bna_rx *,
528 enum bna_cb_status));
529
530/**
531 * BNAD
532 */
533
534/* Callbacks for BNA */
535void bnad_cb_stats_get(struct bnad *bnad, enum bna_cb_status status,
536 struct bna_stats *stats);
537
538/* Callbacks for DEVICE */
539void bnad_cb_device_enabled(struct bnad *bnad, enum bna_cb_status status);
540void bnad_cb_device_disabled(struct bnad *bnad, enum bna_cb_status status);
541void bnad_cb_device_enable_mbox_intr(struct bnad *bnad);
542void bnad_cb_device_disable_mbox_intr(struct bnad *bnad);
543
544/* Callbacks for port */
545void bnad_cb_port_link_status(struct bnad *bnad,
546 enum bna_link_status status);
547
548#endif /* __BNA_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bna_ctrl.c b/drivers/net/ethernet/brocade/bna/bna_ctrl.c
new file mode 100644
index 000000000000..cb2594c564dc
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bna_ctrl.c
@@ -0,0 +1,3076 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#include "bna.h"
19#include "bfa_cs.h"
20
21static void bna_device_cb_port_stopped(void *arg, enum bna_cb_status status);
22
23static void
24bna_port_cb_link_up(struct bna_port *port, struct bfi_ll_aen *aen,
25 int status)
26{
27 int i;
28 u8 prio_map;
29
30 port->llport.link_status = BNA_LINK_UP;
31 if (aen->cee_linkup)
32 port->llport.link_status = BNA_CEE_UP;
33
34 /* Compute the priority */
35 prio_map = aen->prio_map;
36 if (prio_map) {
37 for (i = 0; i < 8; i++) {
38 if ((prio_map >> i) & 0x1)
39 break;
40 }
41 port->priority = i;
42 } else
43 port->priority = 0;
44
45 /* Dispatch events */
46 bna_tx_mod_cee_link_status(&port->bna->tx_mod, aen->cee_linkup);
47 bna_tx_mod_prio_changed(&port->bna->tx_mod, port->priority);
48 port->link_cbfn(port->bna->bnad, port->llport.link_status);
49}
50
51static void
52bna_port_cb_link_down(struct bna_port *port, int status)
53{
54 port->llport.link_status = BNA_LINK_DOWN;
55
56 /* Dispatch events */
57 bna_tx_mod_cee_link_status(&port->bna->tx_mod, BNA_LINK_DOWN);
58 port->link_cbfn(port->bna->bnad, BNA_LINK_DOWN);
59}
60
61static inline int
62llport_can_be_up(struct bna_llport *llport)
63{
64 int ready = 0;
65 if (llport->type == BNA_PORT_T_REGULAR)
66 ready = ((llport->flags & BNA_LLPORT_F_ADMIN_UP) &&
67 (llport->flags & BNA_LLPORT_F_RX_STARTED) &&
68 (llport->flags & BNA_LLPORT_F_PORT_ENABLED));
69 else
70 ready = ((llport->flags & BNA_LLPORT_F_ADMIN_UP) &&
71 (llport->flags & BNA_LLPORT_F_RX_STARTED) &&
72 !(llport->flags & BNA_LLPORT_F_PORT_ENABLED));
73 return ready;
74}
75
76#define llport_is_up llport_can_be_up
77
78enum bna_llport_event {
79 LLPORT_E_START = 1,
80 LLPORT_E_STOP = 2,
81 LLPORT_E_FAIL = 3,
82 LLPORT_E_UP = 4,
83 LLPORT_E_DOWN = 5,
84 LLPORT_E_FWRESP_UP_OK = 6,
85 LLPORT_E_FWRESP_UP_FAIL = 7,
86 LLPORT_E_FWRESP_DOWN = 8
87};
88
89static void
90bna_llport_cb_port_enabled(struct bna_llport *llport)
91{
92 llport->flags |= BNA_LLPORT_F_PORT_ENABLED;
93
94 if (llport_can_be_up(llport))
95 bfa_fsm_send_event(llport, LLPORT_E_UP);
96}
97
98static void
99bna_llport_cb_port_disabled(struct bna_llport *llport)
100{
101 int llport_up = llport_is_up(llport);
102
103 llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED;
104
105 if (llport_up)
106 bfa_fsm_send_event(llport, LLPORT_E_DOWN);
107}
108
109/**
110 * MBOX
111 */
112static int
113bna_is_aen(u8 msg_id)
114{
115 switch (msg_id) {
116 case BFI_LL_I2H_LINK_DOWN_AEN:
117 case BFI_LL_I2H_LINK_UP_AEN:
118 case BFI_LL_I2H_PORT_ENABLE_AEN:
119 case BFI_LL_I2H_PORT_DISABLE_AEN:
120 return 1;
121
122 default:
123 return 0;
124 }
125}
126
127static void
128bna_mbox_aen_callback(struct bna *bna, struct bfi_mbmsg *msg)
129{
130 struct bfi_ll_aen *aen = (struct bfi_ll_aen *)(msg);
131
132 switch (aen->mh.msg_id) {
133 case BFI_LL_I2H_LINK_UP_AEN:
134 bna_port_cb_link_up(&bna->port, aen, aen->reason);
135 break;
136 case BFI_LL_I2H_LINK_DOWN_AEN:
137 bna_port_cb_link_down(&bna->port, aen->reason);
138 break;
139 case BFI_LL_I2H_PORT_ENABLE_AEN:
140 bna_llport_cb_port_enabled(&bna->port.llport);
141 break;
142 case BFI_LL_I2H_PORT_DISABLE_AEN:
143 bna_llport_cb_port_disabled(&bna->port.llport);
144 break;
145 default:
146 break;
147 }
148}
149
150static void
151bna_ll_isr(void *llarg, struct bfi_mbmsg *msg)
152{
153 struct bna *bna = (struct bna *)(llarg);
154 struct bfi_ll_rsp *mb_rsp = (struct bfi_ll_rsp *)(msg);
155 struct bfi_mhdr *cmd_h, *rsp_h;
156 struct bna_mbox_qe *mb_qe = NULL;
157 int to_post = 0;
158 u8 aen = 0;
159 char message[BNA_MESSAGE_SIZE];
160
161 aen = bna_is_aen(mb_rsp->mh.msg_id);
162
163 if (!aen) {
164 mb_qe = bfa_q_first(&bna->mbox_mod.posted_q);
165 cmd_h = (struct bfi_mhdr *)(&mb_qe->cmd.msg[0]);
166 rsp_h = (struct bfi_mhdr *)(&mb_rsp->mh);
167
168 if ((BFA_I2HM(cmd_h->msg_id) == rsp_h->msg_id) &&
169 (cmd_h->mtag.i2htok == rsp_h->mtag.i2htok)) {
170 /* Remove the request from posted_q, update state */
171 list_del(&mb_qe->qe);
172 bna->mbox_mod.msg_pending--;
173 if (list_empty(&bna->mbox_mod.posted_q))
174 bna->mbox_mod.state = BNA_MBOX_FREE;
175 else
176 to_post = 1;
177
178 /* Dispatch the cbfn */
179 if (mb_qe->cbfn)
180 mb_qe->cbfn(mb_qe->cbarg, mb_rsp->error);
181
182 /* Post the next entry, if needed */
183 if (to_post) {
184 mb_qe = bfa_q_first(&bna->mbox_mod.posted_q);
185 bfa_nw_ioc_mbox_queue(&bna->device.ioc,
186 &mb_qe->cmd);
187 }
188 } else {
189 snprintf(message, BNA_MESSAGE_SIZE,
190 "No matching rsp for [%d:%d:%d]\n",
191 mb_rsp->mh.msg_class, mb_rsp->mh.msg_id,
192 mb_rsp->mh.mtag.i2htok);
193 pr_info("%s", message);
194 }
195
196 } else
197 bna_mbox_aen_callback(bna, msg);
198}
199
200static void
201bna_err_handler(struct bna *bna, u32 intr_status)
202{
203 u32 init_halt;
204
205 if (intr_status & __HALT_STATUS_BITS) {
206 init_halt = readl(bna->device.ioc.ioc_regs.ll_halt);
207 init_halt &= ~__FW_INIT_HALT_P;
208 writel(init_halt, bna->device.ioc.ioc_regs.ll_halt);
209 }
210
211 bfa_nw_ioc_error_isr(&bna->device.ioc);
212}
213
214void
215bna_mbox_handler(struct bna *bna, u32 intr_status)
216{
217 if (BNA_IS_ERR_INTR(intr_status)) {
218 bna_err_handler(bna, intr_status);
219 return;
220 }
221 if (BNA_IS_MBOX_INTR(intr_status))
222 bfa_nw_ioc_mbox_isr(&bna->device.ioc);
223}
224
225void
226bna_mbox_send(struct bna *bna, struct bna_mbox_qe *mbox_qe)
227{
228 struct bfi_mhdr *mh;
229
230 mh = (struct bfi_mhdr *)(&mbox_qe->cmd.msg[0]);
231
232 mh->mtag.i2htok = htons(bna->mbox_mod.msg_ctr);
233 bna->mbox_mod.msg_ctr++;
234 bna->mbox_mod.msg_pending++;
235 if (bna->mbox_mod.state == BNA_MBOX_FREE) {
236 list_add_tail(&mbox_qe->qe, &bna->mbox_mod.posted_q);
237 bfa_nw_ioc_mbox_queue(&bna->device.ioc, &mbox_qe->cmd);
238 bna->mbox_mod.state = BNA_MBOX_POSTED;
239 } else {
240 list_add_tail(&mbox_qe->qe, &bna->mbox_mod.posted_q);
241 }
242}
243
244static void
245bna_mbox_flush_q(struct bna *bna, struct list_head *q)
246{
247 struct bna_mbox_qe *mb_qe = NULL;
248 struct list_head *mb_q;
249 void (*cbfn)(void *arg, int status);
250 void *cbarg;
251
252 mb_q = &bna->mbox_mod.posted_q;
253
254 while (!list_empty(mb_q)) {
255 bfa_q_deq(mb_q, &mb_qe);
256 cbfn = mb_qe->cbfn;
257 cbarg = mb_qe->cbarg;
258 bfa_q_qe_init(mb_qe);
259 bna->mbox_mod.msg_pending--;
260
261 if (cbfn)
262 cbfn(cbarg, BNA_CB_NOT_EXEC);
263 }
264
265 bna->mbox_mod.state = BNA_MBOX_FREE;
266}
267
268static void
269bna_mbox_mod_start(struct bna_mbox_mod *mbox_mod)
270{
271}
272
273static void
274bna_mbox_mod_stop(struct bna_mbox_mod *mbox_mod)
275{
276 bna_mbox_flush_q(mbox_mod->bna, &mbox_mod->posted_q);
277}
278
279static void
280bna_mbox_mod_init(struct bna_mbox_mod *mbox_mod, struct bna *bna)
281{
282 bfa_nw_ioc_mbox_regisr(&bna->device.ioc, BFI_MC_LL, bna_ll_isr, bna);
283 mbox_mod->state = BNA_MBOX_FREE;
284 mbox_mod->msg_ctr = mbox_mod->msg_pending = 0;
285 INIT_LIST_HEAD(&mbox_mod->posted_q);
286 mbox_mod->bna = bna;
287}
288
289static void
290bna_mbox_mod_uninit(struct bna_mbox_mod *mbox_mod)
291{
292 mbox_mod->bna = NULL;
293}
294
295/**
296 * LLPORT
297 */
298#define call_llport_stop_cbfn(llport, status)\
299do {\
300 if ((llport)->stop_cbfn)\
301 (llport)->stop_cbfn(&(llport)->bna->port, status);\
302 (llport)->stop_cbfn = NULL;\
303} while (0)
304
305static void bna_fw_llport_up(struct bna_llport *llport);
306static void bna_fw_cb_llport_up(void *arg, int status);
307static void bna_fw_llport_down(struct bna_llport *llport);
308static void bna_fw_cb_llport_down(void *arg, int status);
309static void bna_llport_start(struct bna_llport *llport);
310static void bna_llport_stop(struct bna_llport *llport);
311static void bna_llport_fail(struct bna_llport *llport);
312
313enum bna_llport_state {
314 BNA_LLPORT_STOPPED = 1,
315 BNA_LLPORT_DOWN = 2,
316 BNA_LLPORT_UP_RESP_WAIT = 3,
317 BNA_LLPORT_DOWN_RESP_WAIT = 4,
318 BNA_LLPORT_UP = 5,
319 BNA_LLPORT_LAST_RESP_WAIT = 6
320};
321
322bfa_fsm_state_decl(bna_llport, stopped, struct bna_llport,
323 enum bna_llport_event);
324bfa_fsm_state_decl(bna_llport, down, struct bna_llport,
325 enum bna_llport_event);
326bfa_fsm_state_decl(bna_llport, up_resp_wait, struct bna_llport,
327 enum bna_llport_event);
328bfa_fsm_state_decl(bna_llport, down_resp_wait, struct bna_llport,
329 enum bna_llport_event);
330bfa_fsm_state_decl(bna_llport, up, struct bna_llport,
331 enum bna_llport_event);
332bfa_fsm_state_decl(bna_llport, last_resp_wait, struct bna_llport,
333 enum bna_llport_event);
334
335static struct bfa_sm_table llport_sm_table[] = {
336 {BFA_SM(bna_llport_sm_stopped), BNA_LLPORT_STOPPED},
337 {BFA_SM(bna_llport_sm_down), BNA_LLPORT_DOWN},
338 {BFA_SM(bna_llport_sm_up_resp_wait), BNA_LLPORT_UP_RESP_WAIT},
339 {BFA_SM(bna_llport_sm_down_resp_wait), BNA_LLPORT_DOWN_RESP_WAIT},
340 {BFA_SM(bna_llport_sm_up), BNA_LLPORT_UP},
341 {BFA_SM(bna_llport_sm_last_resp_wait), BNA_LLPORT_LAST_RESP_WAIT}
342};
343
344static void
345bna_llport_sm_stopped_entry(struct bna_llport *llport)
346{
347 llport->bna->port.link_cbfn((llport)->bna->bnad, BNA_LINK_DOWN);
348 call_llport_stop_cbfn(llport, BNA_CB_SUCCESS);
349}
350
351static void
352bna_llport_sm_stopped(struct bna_llport *llport,
353 enum bna_llport_event event)
354{
355 switch (event) {
356 case LLPORT_E_START:
357 bfa_fsm_set_state(llport, bna_llport_sm_down);
358 break;
359
360 case LLPORT_E_STOP:
361 call_llport_stop_cbfn(llport, BNA_CB_SUCCESS);
362 break;
363
364 case LLPORT_E_FAIL:
365 break;
366
367 case LLPORT_E_DOWN:
368 /* This event is received due to Rx objects failing */
369 /* No-op */
370 break;
371
372 case LLPORT_E_FWRESP_UP_OK:
373 case LLPORT_E_FWRESP_DOWN:
374 /**
375 * These events are received due to flushing of mbox when
376 * device fails
377 */
378 /* No-op */
379 break;
380
381 default:
382 bfa_sm_fault(event);
383 }
384}
385
386static void
387bna_llport_sm_down_entry(struct bna_llport *llport)
388{
389 bnad_cb_port_link_status((llport)->bna->bnad, BNA_LINK_DOWN);
390}
391
392static void
393bna_llport_sm_down(struct bna_llport *llport,
394 enum bna_llport_event event)
395{
396 switch (event) {
397 case LLPORT_E_STOP:
398 bfa_fsm_set_state(llport, bna_llport_sm_stopped);
399 break;
400
401 case LLPORT_E_FAIL:
402 bfa_fsm_set_state(llport, bna_llport_sm_stopped);
403 break;
404
405 case LLPORT_E_UP:
406 bfa_fsm_set_state(llport, bna_llport_sm_up_resp_wait);
407 bna_fw_llport_up(llport);
408 break;
409
410 default:
411 bfa_sm_fault(event);
412 }
413}
414
415static void
416bna_llport_sm_up_resp_wait_entry(struct bna_llport *llport)
417{
418 BUG_ON(!llport_can_be_up(llport));
419 /**
420 * NOTE: Do not call bna_fw_llport_up() here. That will over step
421 * mbox due to down_resp_wait -> up_resp_wait transition on event
422 * LLPORT_E_UP
423 */
424}
425
426static void
427bna_llport_sm_up_resp_wait(struct bna_llport *llport,
428 enum bna_llport_event event)
429{
430 switch (event) {
431 case LLPORT_E_STOP:
432 bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait);
433 break;
434
435 case LLPORT_E_FAIL:
436 bfa_fsm_set_state(llport, bna_llport_sm_stopped);
437 break;
438
439 case LLPORT_E_DOWN:
440 bfa_fsm_set_state(llport, bna_llport_sm_down_resp_wait);
441 break;
442
443 case LLPORT_E_FWRESP_UP_OK:
444 bfa_fsm_set_state(llport, bna_llport_sm_up);
445 break;
446
447 case LLPORT_E_FWRESP_UP_FAIL:
448 bfa_fsm_set_state(llport, bna_llport_sm_down);
449 break;
450
451 case LLPORT_E_FWRESP_DOWN:
452 /* down_resp_wait -> up_resp_wait transition on LLPORT_E_UP */
453 bna_fw_llport_up(llport);
454 break;
455
456 default:
457 bfa_sm_fault(event);
458 }
459}
460
461static void
462bna_llport_sm_down_resp_wait_entry(struct bna_llport *llport)
463{
464 /**
465 * NOTE: Do not call bna_fw_llport_down() here. That will over step
466 * mbox due to up_resp_wait -> down_resp_wait transition on event
467 * LLPORT_E_DOWN
468 */
469}
470
471static void
472bna_llport_sm_down_resp_wait(struct bna_llport *llport,
473 enum bna_llport_event event)
474{
475 switch (event) {
476 case LLPORT_E_STOP:
477 bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait);
478 break;
479
480 case LLPORT_E_FAIL:
481 bfa_fsm_set_state(llport, bna_llport_sm_stopped);
482 break;
483
484 case LLPORT_E_UP:
485 bfa_fsm_set_state(llport, bna_llport_sm_up_resp_wait);
486 break;
487
488 case LLPORT_E_FWRESP_UP_OK:
489 /* up_resp_wait->down_resp_wait transition on LLPORT_E_DOWN */
490 bna_fw_llport_down(llport);
491 break;
492
493 case LLPORT_E_FWRESP_UP_FAIL:
494 case LLPORT_E_FWRESP_DOWN:
495 bfa_fsm_set_state(llport, bna_llport_sm_down);
496 break;
497
498 default:
499 bfa_sm_fault(event);
500 }
501}
502
503static void
504bna_llport_sm_up_entry(struct bna_llport *llport)
505{
506}
507
508static void
509bna_llport_sm_up(struct bna_llport *llport,
510 enum bna_llport_event event)
511{
512 switch (event) {
513 case LLPORT_E_STOP:
514 bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait);
515 bna_fw_llport_down(llport);
516 break;
517
518 case LLPORT_E_FAIL:
519 bfa_fsm_set_state(llport, bna_llport_sm_stopped);
520 break;
521
522 case LLPORT_E_DOWN:
523 bfa_fsm_set_state(llport, bna_llport_sm_down_resp_wait);
524 bna_fw_llport_down(llport);
525 break;
526
527 default:
528 bfa_sm_fault(event);
529 }
530}
531
532static void
533bna_llport_sm_last_resp_wait_entry(struct bna_llport *llport)
534{
535}
536
537static void
538bna_llport_sm_last_resp_wait(struct bna_llport *llport,
539 enum bna_llport_event event)
540{
541 switch (event) {
542 case LLPORT_E_FAIL:
543 bfa_fsm_set_state(llport, bna_llport_sm_stopped);
544 break;
545
546 case LLPORT_E_DOWN:
547 /**
548 * This event is received due to Rx objects stopping in
549 * parallel to llport
550 */
551 /* No-op */
552 break;
553
554 case LLPORT_E_FWRESP_UP_OK:
555 /* up_resp_wait->last_resp_wait transition on LLPORT_T_STOP */
556 bna_fw_llport_down(llport);
557 break;
558
559 case LLPORT_E_FWRESP_UP_FAIL:
560 case LLPORT_E_FWRESP_DOWN:
561 bfa_fsm_set_state(llport, bna_llport_sm_stopped);
562 break;
563
564 default:
565 bfa_sm_fault(event);
566 }
567}
568
569static void
570bna_fw_llport_admin_up(struct bna_llport *llport)
571{
572 struct bfi_ll_port_admin_req ll_req;
573
574 memset(&ll_req, 0, sizeof(ll_req));
575 ll_req.mh.msg_class = BFI_MC_LL;
576 ll_req.mh.msg_id = BFI_LL_H2I_PORT_ADMIN_REQ;
577 ll_req.mh.mtag.h2i.lpu_id = 0;
578
579 ll_req.up = BNA_STATUS_T_ENABLED;
580
581 bna_mbox_qe_fill(&llport->mbox_qe, &ll_req, sizeof(ll_req),
582 bna_fw_cb_llport_up, llport);
583
584 bna_mbox_send(llport->bna, &llport->mbox_qe);
585}
586
587static void
588bna_fw_llport_up(struct bna_llport *llport)
589{
590 if (llport->type == BNA_PORT_T_REGULAR)
591 bna_fw_llport_admin_up(llport);
592}
593
594static void
595bna_fw_cb_llport_up(void *arg, int status)
596{
597 struct bna_llport *llport = (struct bna_llport *)arg;
598
599 bfa_q_qe_init(&llport->mbox_qe.qe);
600 if (status == BFI_LL_CMD_FAIL) {
601 if (llport->type == BNA_PORT_T_REGULAR)
602 llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED;
603 else
604 llport->flags &= ~BNA_LLPORT_F_ADMIN_UP;
605 bfa_fsm_send_event(llport, LLPORT_E_FWRESP_UP_FAIL);
606 } else
607 bfa_fsm_send_event(llport, LLPORT_E_FWRESP_UP_OK);
608}
609
610static void
611bna_fw_llport_admin_down(struct bna_llport *llport)
612{
613 struct bfi_ll_port_admin_req ll_req;
614
615 memset(&ll_req, 0, sizeof(ll_req));
616 ll_req.mh.msg_class = BFI_MC_LL;
617 ll_req.mh.msg_id = BFI_LL_H2I_PORT_ADMIN_REQ;
618 ll_req.mh.mtag.h2i.lpu_id = 0;
619
620 ll_req.up = BNA_STATUS_T_DISABLED;
621
622 bna_mbox_qe_fill(&llport->mbox_qe, &ll_req, sizeof(ll_req),
623 bna_fw_cb_llport_down, llport);
624
625 bna_mbox_send(llport->bna, &llport->mbox_qe);
626}
627
628static void
629bna_fw_llport_down(struct bna_llport *llport)
630{
631 if (llport->type == BNA_PORT_T_REGULAR)
632 bna_fw_llport_admin_down(llport);
633}
634
635static void
636bna_fw_cb_llport_down(void *arg, int status)
637{
638 struct bna_llport *llport = (struct bna_llport *)arg;
639
640 bfa_q_qe_init(&llport->mbox_qe.qe);
641 bfa_fsm_send_event(llport, LLPORT_E_FWRESP_DOWN);
642}
643
644static void
645bna_port_cb_llport_stopped(struct bna_port *port,
646 enum bna_cb_status status)
647{
648 bfa_wc_down(&port->chld_stop_wc);
649}
650
651static void
652bna_llport_init(struct bna_llport *llport, struct bna *bna)
653{
654 llport->flags |= BNA_LLPORT_F_ADMIN_UP;
655 llport->flags |= BNA_LLPORT_F_PORT_ENABLED;
656 llport->type = BNA_PORT_T_REGULAR;
657 llport->bna = bna;
658
659 llport->link_status = BNA_LINK_DOWN;
660
661 llport->rx_started_count = 0;
662
663 llport->stop_cbfn = NULL;
664
665 bfa_q_qe_init(&llport->mbox_qe.qe);
666
667 bfa_fsm_set_state(llport, bna_llport_sm_stopped);
668}
669
670static void
671bna_llport_uninit(struct bna_llport *llport)
672{
673 llport->flags &= ~BNA_LLPORT_F_ADMIN_UP;
674 llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED;
675
676 llport->bna = NULL;
677}
678
679static void
680bna_llport_start(struct bna_llport *llport)
681{
682 bfa_fsm_send_event(llport, LLPORT_E_START);
683}
684
685static void
686bna_llport_stop(struct bna_llport *llport)
687{
688 llport->stop_cbfn = bna_port_cb_llport_stopped;
689
690 bfa_fsm_send_event(llport, LLPORT_E_STOP);
691}
692
693static void
694bna_llport_fail(struct bna_llport *llport)
695{
696 /* Reset the physical port status to enabled */
697 llport->flags |= BNA_LLPORT_F_PORT_ENABLED;
698 bfa_fsm_send_event(llport, LLPORT_E_FAIL);
699}
700
701static int
702bna_llport_state_get(struct bna_llport *llport)
703{
704 return bfa_sm_to_state(llport_sm_table, llport->fsm);
705}
706
707void
708bna_llport_rx_started(struct bna_llport *llport)
709{
710 llport->rx_started_count++;
711
712 if (llport->rx_started_count == 1) {
713
714 llport->flags |= BNA_LLPORT_F_RX_STARTED;
715
716 if (llport_can_be_up(llport))
717 bfa_fsm_send_event(llport, LLPORT_E_UP);
718 }
719}
720
721void
722bna_llport_rx_stopped(struct bna_llport *llport)
723{
724 int llport_up = llport_is_up(llport);
725
726 llport->rx_started_count--;
727
728 if (llport->rx_started_count == 0) {
729
730 llport->flags &= ~BNA_LLPORT_F_RX_STARTED;
731
732 if (llport_up)
733 bfa_fsm_send_event(llport, LLPORT_E_DOWN);
734 }
735}
736
737/**
738 * PORT
739 */
740#define bna_port_chld_start(port)\
741do {\
742 enum bna_tx_type tx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
743 BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK;\
744 enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
745 BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\
746 bna_llport_start(&(port)->llport);\
747 bna_tx_mod_start(&(port)->bna->tx_mod, tx_type);\
748 bna_rx_mod_start(&(port)->bna->rx_mod, rx_type);\
749} while (0)
750
751#define bna_port_chld_stop(port)\
752do {\
753 enum bna_tx_type tx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
754 BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK;\
755 enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
756 BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\
757 bfa_wc_up(&(port)->chld_stop_wc);\
758 bfa_wc_up(&(port)->chld_stop_wc);\
759 bfa_wc_up(&(port)->chld_stop_wc);\
760 bna_llport_stop(&(port)->llport);\
761 bna_tx_mod_stop(&(port)->bna->tx_mod, tx_type);\
762 bna_rx_mod_stop(&(port)->bna->rx_mod, rx_type);\
763} while (0)
764
765#define bna_port_chld_fail(port)\
766do {\
767 bna_llport_fail(&(port)->llport);\
768 bna_tx_mod_fail(&(port)->bna->tx_mod);\
769 bna_rx_mod_fail(&(port)->bna->rx_mod);\
770} while (0)
771
772#define bna_port_rx_start(port)\
773do {\
774 enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
775 BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\
776 bna_rx_mod_start(&(port)->bna->rx_mod, rx_type);\
777} while (0)
778
779#define bna_port_rx_stop(port)\
780do {\
781 enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
782 BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\
783 bfa_wc_up(&(port)->chld_stop_wc);\
784 bna_rx_mod_stop(&(port)->bna->rx_mod, rx_type);\
785} while (0)
786
787#define call_port_stop_cbfn(port, status)\
788do {\
789 if ((port)->stop_cbfn)\
790 (port)->stop_cbfn((port)->stop_cbarg, status);\
791 (port)->stop_cbfn = NULL;\
792 (port)->stop_cbarg = NULL;\
793} while (0)
794
795#define call_port_pause_cbfn(port, status)\
796do {\
797 if ((port)->pause_cbfn)\
798 (port)->pause_cbfn((port)->bna->bnad, status);\
799 (port)->pause_cbfn = NULL;\
800} while (0)
801
802#define call_port_mtu_cbfn(port, status)\
803do {\
804 if ((port)->mtu_cbfn)\
805 (port)->mtu_cbfn((port)->bna->bnad, status);\
806 (port)->mtu_cbfn = NULL;\
807} while (0)
808
809static void bna_fw_pause_set(struct bna_port *port);
810static void bna_fw_cb_pause_set(void *arg, int status);
811static void bna_fw_mtu_set(struct bna_port *port);
812static void bna_fw_cb_mtu_set(void *arg, int status);
813
814enum bna_port_event {
815 PORT_E_START = 1,
816 PORT_E_STOP = 2,
817 PORT_E_FAIL = 3,
818 PORT_E_PAUSE_CFG = 4,
819 PORT_E_MTU_CFG = 5,
820 PORT_E_CHLD_STOPPED = 6,
821 PORT_E_FWRESP_PAUSE = 7,
822 PORT_E_FWRESP_MTU = 8
823};
824
825enum bna_port_state {
826 BNA_PORT_STOPPED = 1,
827 BNA_PORT_MTU_INIT_WAIT = 2,
828 BNA_PORT_PAUSE_INIT_WAIT = 3,
829 BNA_PORT_LAST_RESP_WAIT = 4,
830 BNA_PORT_STARTED = 5,
831 BNA_PORT_PAUSE_CFG_WAIT = 6,
832 BNA_PORT_RX_STOP_WAIT = 7,
833 BNA_PORT_MTU_CFG_WAIT = 8,
834 BNA_PORT_CHLD_STOP_WAIT = 9
835};
836
837bfa_fsm_state_decl(bna_port, stopped, struct bna_port,
838 enum bna_port_event);
839bfa_fsm_state_decl(bna_port, mtu_init_wait, struct bna_port,
840 enum bna_port_event);
841bfa_fsm_state_decl(bna_port, pause_init_wait, struct bna_port,
842 enum bna_port_event);
843bfa_fsm_state_decl(bna_port, last_resp_wait, struct bna_port,
844 enum bna_port_event);
845bfa_fsm_state_decl(bna_port, started, struct bna_port,
846 enum bna_port_event);
847bfa_fsm_state_decl(bna_port, pause_cfg_wait, struct bna_port,
848 enum bna_port_event);
849bfa_fsm_state_decl(bna_port, rx_stop_wait, struct bna_port,
850 enum bna_port_event);
851bfa_fsm_state_decl(bna_port, mtu_cfg_wait, struct bna_port,
852 enum bna_port_event);
853bfa_fsm_state_decl(bna_port, chld_stop_wait, struct bna_port,
854 enum bna_port_event);
855
856static struct bfa_sm_table port_sm_table[] = {
857 {BFA_SM(bna_port_sm_stopped), BNA_PORT_STOPPED},
858 {BFA_SM(bna_port_sm_mtu_init_wait), BNA_PORT_MTU_INIT_WAIT},
859 {BFA_SM(bna_port_sm_pause_init_wait), BNA_PORT_PAUSE_INIT_WAIT},
860 {BFA_SM(bna_port_sm_last_resp_wait), BNA_PORT_LAST_RESP_WAIT},
861 {BFA_SM(bna_port_sm_started), BNA_PORT_STARTED},
862 {BFA_SM(bna_port_sm_pause_cfg_wait), BNA_PORT_PAUSE_CFG_WAIT},
863 {BFA_SM(bna_port_sm_rx_stop_wait), BNA_PORT_RX_STOP_WAIT},
864 {BFA_SM(bna_port_sm_mtu_cfg_wait), BNA_PORT_MTU_CFG_WAIT},
865 {BFA_SM(bna_port_sm_chld_stop_wait), BNA_PORT_CHLD_STOP_WAIT}
866};
867
868static void
869bna_port_sm_stopped_entry(struct bna_port *port)
870{
871 call_port_pause_cbfn(port, BNA_CB_SUCCESS);
872 call_port_mtu_cbfn(port, BNA_CB_SUCCESS);
873 call_port_stop_cbfn(port, BNA_CB_SUCCESS);
874}
875
876static void
877bna_port_sm_stopped(struct bna_port *port, enum bna_port_event event)
878{
879 switch (event) {
880 case PORT_E_START:
881 bfa_fsm_set_state(port, bna_port_sm_mtu_init_wait);
882 break;
883
884 case PORT_E_STOP:
885 call_port_stop_cbfn(port, BNA_CB_SUCCESS);
886 break;
887
888 case PORT_E_FAIL:
889 /* No-op */
890 break;
891
892 case PORT_E_PAUSE_CFG:
893 call_port_pause_cbfn(port, BNA_CB_SUCCESS);
894 break;
895
896 case PORT_E_MTU_CFG:
897 call_port_mtu_cbfn(port, BNA_CB_SUCCESS);
898 break;
899
900 case PORT_E_CHLD_STOPPED:
901 /**
902 * This event is received due to LLPort, Tx and Rx objects
903 * failing
904 */
905 /* No-op */
906 break;
907
908 case PORT_E_FWRESP_PAUSE:
909 case PORT_E_FWRESP_MTU:
910 /**
911 * These events are received due to flushing of mbox when
912 * device fails
913 */
914 /* No-op */
915 break;
916
917 default:
918 bfa_sm_fault(event);
919 }
920}
921
922static void
923bna_port_sm_mtu_init_wait_entry(struct bna_port *port)
924{
925 bna_fw_mtu_set(port);
926}
927
928static void
929bna_port_sm_mtu_init_wait(struct bna_port *port, enum bna_port_event event)
930{
931 switch (event) {
932 case PORT_E_STOP:
933 bfa_fsm_set_state(port, bna_port_sm_last_resp_wait);
934 break;
935
936 case PORT_E_FAIL:
937 bfa_fsm_set_state(port, bna_port_sm_stopped);
938 break;
939
940 case PORT_E_PAUSE_CFG:
941 /* No-op */
942 break;
943
944 case PORT_E_MTU_CFG:
945 port->flags |= BNA_PORT_F_MTU_CHANGED;
946 break;
947
948 case PORT_E_FWRESP_MTU:
949 if (port->flags & BNA_PORT_F_MTU_CHANGED) {
950 port->flags &= ~BNA_PORT_F_MTU_CHANGED;
951 bna_fw_mtu_set(port);
952 } else {
953 bfa_fsm_set_state(port, bna_port_sm_pause_init_wait);
954 }
955 break;
956
957 default:
958 bfa_sm_fault(event);
959 }
960}
961
962static void
963bna_port_sm_pause_init_wait_entry(struct bna_port *port)
964{
965 bna_fw_pause_set(port);
966}
967
968static void
969bna_port_sm_pause_init_wait(struct bna_port *port,
970 enum bna_port_event event)
971{
972 switch (event) {
973 case PORT_E_STOP:
974 bfa_fsm_set_state(port, bna_port_sm_last_resp_wait);
975 break;
976
977 case PORT_E_FAIL:
978 bfa_fsm_set_state(port, bna_port_sm_stopped);
979 break;
980
981 case PORT_E_PAUSE_CFG:
982 port->flags |= BNA_PORT_F_PAUSE_CHANGED;
983 break;
984
985 case PORT_E_MTU_CFG:
986 port->flags |= BNA_PORT_F_MTU_CHANGED;
987 break;
988
989 case PORT_E_FWRESP_PAUSE:
990 if (port->flags & BNA_PORT_F_PAUSE_CHANGED) {
991 port->flags &= ~BNA_PORT_F_PAUSE_CHANGED;
992 bna_fw_pause_set(port);
993 } else if (port->flags & BNA_PORT_F_MTU_CHANGED) {
994 port->flags &= ~BNA_PORT_F_MTU_CHANGED;
995 bfa_fsm_set_state(port, bna_port_sm_mtu_init_wait);
996 } else {
997 bfa_fsm_set_state(port, bna_port_sm_started);
998 bna_port_chld_start(port);
999 }
1000 break;
1001
1002 default:
1003 bfa_sm_fault(event);
1004 }
1005}
1006
1007static void
1008bna_port_sm_last_resp_wait_entry(struct bna_port *port)
1009{
1010}
1011
1012static void
1013bna_port_sm_last_resp_wait(struct bna_port *port,
1014 enum bna_port_event event)
1015{
1016 switch (event) {
1017 case PORT_E_FAIL:
1018 case PORT_E_FWRESP_PAUSE:
1019 case PORT_E_FWRESP_MTU:
1020 bfa_fsm_set_state(port, bna_port_sm_stopped);
1021 break;
1022
1023 default:
1024 bfa_sm_fault(event);
1025 }
1026}
1027
1028static void
1029bna_port_sm_started_entry(struct bna_port *port)
1030{
1031 /**
1032 * NOTE: Do not call bna_port_chld_start() here, since it will be
1033 * inadvertently called during pause_cfg_wait->started transition
1034 * as well
1035 */
1036 call_port_pause_cbfn(port, BNA_CB_SUCCESS);
1037 call_port_mtu_cbfn(port, BNA_CB_SUCCESS);
1038}
1039
1040static void
1041bna_port_sm_started(struct bna_port *port,
1042 enum bna_port_event event)
1043{
1044 switch (event) {
1045 case PORT_E_STOP:
1046 bfa_fsm_set_state(port, bna_port_sm_chld_stop_wait);
1047 break;
1048
1049 case PORT_E_FAIL:
1050 bfa_fsm_set_state(port, bna_port_sm_stopped);
1051 bna_port_chld_fail(port);
1052 break;
1053
1054 case PORT_E_PAUSE_CFG:
1055 bfa_fsm_set_state(port, bna_port_sm_pause_cfg_wait);
1056 break;
1057
1058 case PORT_E_MTU_CFG:
1059 bfa_fsm_set_state(port, bna_port_sm_rx_stop_wait);
1060 break;
1061
1062 default:
1063 bfa_sm_fault(event);
1064 }
1065}
1066
1067static void
1068bna_port_sm_pause_cfg_wait_entry(struct bna_port *port)
1069{
1070 bna_fw_pause_set(port);
1071}
1072
1073static void
1074bna_port_sm_pause_cfg_wait(struct bna_port *port,
1075 enum bna_port_event event)
1076{
1077 switch (event) {
1078 case PORT_E_FAIL:
1079 bfa_fsm_set_state(port, bna_port_sm_stopped);
1080 bna_port_chld_fail(port);
1081 break;
1082
1083 case PORT_E_FWRESP_PAUSE:
1084 bfa_fsm_set_state(port, bna_port_sm_started);
1085 break;
1086
1087 default:
1088 bfa_sm_fault(event);
1089 }
1090}
1091
1092static void
1093bna_port_sm_rx_stop_wait_entry(struct bna_port *port)
1094{
1095 bna_port_rx_stop(port);
1096}
1097
1098static void
1099bna_port_sm_rx_stop_wait(struct bna_port *port,
1100 enum bna_port_event event)
1101{
1102 switch (event) {
1103 case PORT_E_FAIL:
1104 bfa_fsm_set_state(port, bna_port_sm_stopped);
1105 bna_port_chld_fail(port);
1106 break;
1107
1108 case PORT_E_CHLD_STOPPED:
1109 bfa_fsm_set_state(port, bna_port_sm_mtu_cfg_wait);
1110 break;
1111
1112 default:
1113 bfa_sm_fault(event);
1114 }
1115}
1116
1117static void
1118bna_port_sm_mtu_cfg_wait_entry(struct bna_port *port)
1119{
1120 bna_fw_mtu_set(port);
1121}
1122
1123static void
1124bna_port_sm_mtu_cfg_wait(struct bna_port *port, enum bna_port_event event)
1125{
1126 switch (event) {
1127 case PORT_E_FAIL:
1128 bfa_fsm_set_state(port, bna_port_sm_stopped);
1129 bna_port_chld_fail(port);
1130 break;
1131
1132 case PORT_E_FWRESP_MTU:
1133 bfa_fsm_set_state(port, bna_port_sm_started);
1134 bna_port_rx_start(port);
1135 break;
1136
1137 default:
1138 bfa_sm_fault(event);
1139 }
1140}
1141
1142static void
1143bna_port_sm_chld_stop_wait_entry(struct bna_port *port)
1144{
1145 bna_port_chld_stop(port);
1146}
1147
1148static void
1149bna_port_sm_chld_stop_wait(struct bna_port *port,
1150 enum bna_port_event event)
1151{
1152 switch (event) {
1153 case PORT_E_FAIL:
1154 bfa_fsm_set_state(port, bna_port_sm_stopped);
1155 bna_port_chld_fail(port);
1156 break;
1157
1158 case PORT_E_CHLD_STOPPED:
1159 bfa_fsm_set_state(port, bna_port_sm_stopped);
1160 break;
1161
1162 default:
1163 bfa_sm_fault(event);
1164 }
1165}
1166
1167static void
1168bna_fw_pause_set(struct bna_port *port)
1169{
1170 struct bfi_ll_set_pause_req ll_req;
1171
1172 memset(&ll_req, 0, sizeof(ll_req));
1173 ll_req.mh.msg_class = BFI_MC_LL;
1174 ll_req.mh.msg_id = BFI_LL_H2I_SET_PAUSE_REQ;
1175 ll_req.mh.mtag.h2i.lpu_id = 0;
1176
1177 ll_req.tx_pause = port->pause_config.tx_pause;
1178 ll_req.rx_pause = port->pause_config.rx_pause;
1179
1180 bna_mbox_qe_fill(&port->mbox_qe, &ll_req, sizeof(ll_req),
1181 bna_fw_cb_pause_set, port);
1182
1183 bna_mbox_send(port->bna, &port->mbox_qe);
1184}
1185
1186static void
1187bna_fw_cb_pause_set(void *arg, int status)
1188{
1189 struct bna_port *port = (struct bna_port *)arg;
1190
1191 bfa_q_qe_init(&port->mbox_qe.qe);
1192 bfa_fsm_send_event(port, PORT_E_FWRESP_PAUSE);
1193}
1194
1195void
1196bna_fw_mtu_set(struct bna_port *port)
1197{
1198 struct bfi_ll_mtu_info_req ll_req;
1199
1200 bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_MTU_INFO_REQ, 0);
1201 ll_req.mtu = htons((u16)port->mtu);
1202
1203 bna_mbox_qe_fill(&port->mbox_qe, &ll_req, sizeof(ll_req),
1204 bna_fw_cb_mtu_set, port);
1205 bna_mbox_send(port->bna, &port->mbox_qe);
1206}
1207
1208void
1209bna_fw_cb_mtu_set(void *arg, int status)
1210{
1211 struct bna_port *port = (struct bna_port *)arg;
1212
1213 bfa_q_qe_init(&port->mbox_qe.qe);
1214 bfa_fsm_send_event(port, PORT_E_FWRESP_MTU);
1215}
1216
1217static void
1218bna_port_cb_chld_stopped(void *arg)
1219{
1220 struct bna_port *port = (struct bna_port *)arg;
1221
1222 bfa_fsm_send_event(port, PORT_E_CHLD_STOPPED);
1223}
1224
1225static void
1226bna_port_init(struct bna_port *port, struct bna *bna)
1227{
1228 port->bna = bna;
1229 port->flags = 0;
1230 port->mtu = 0;
1231 port->type = BNA_PORT_T_REGULAR;
1232
1233 port->link_cbfn = bnad_cb_port_link_status;
1234
1235 port->chld_stop_wc.wc_resume = bna_port_cb_chld_stopped;
1236 port->chld_stop_wc.wc_cbarg = port;
1237 port->chld_stop_wc.wc_count = 0;
1238
1239 port->stop_cbfn = NULL;
1240 port->stop_cbarg = NULL;
1241
1242 port->pause_cbfn = NULL;
1243
1244 port->mtu_cbfn = NULL;
1245
1246 bfa_q_qe_init(&port->mbox_qe.qe);
1247
1248 bfa_fsm_set_state(port, bna_port_sm_stopped);
1249
1250 bna_llport_init(&port->llport, bna);
1251}
1252
1253static void
1254bna_port_uninit(struct bna_port *port)
1255{
1256 bna_llport_uninit(&port->llport);
1257
1258 port->flags = 0;
1259
1260 port->bna = NULL;
1261}
1262
1263static int
1264bna_port_state_get(struct bna_port *port)
1265{
1266 return bfa_sm_to_state(port_sm_table, port->fsm);
1267}
1268
1269static void
1270bna_port_start(struct bna_port *port)
1271{
1272 port->flags |= BNA_PORT_F_DEVICE_READY;
1273 if (port->flags & BNA_PORT_F_ENABLED)
1274 bfa_fsm_send_event(port, PORT_E_START);
1275}
1276
1277static void
1278bna_port_stop(struct bna_port *port)
1279{
1280 port->stop_cbfn = bna_device_cb_port_stopped;
1281 port->stop_cbarg = &port->bna->device;
1282
1283 port->flags &= ~BNA_PORT_F_DEVICE_READY;
1284 bfa_fsm_send_event(port, PORT_E_STOP);
1285}
1286
1287static void
1288bna_port_fail(struct bna_port *port)
1289{
1290 port->flags &= ~BNA_PORT_F_DEVICE_READY;
1291 bfa_fsm_send_event(port, PORT_E_FAIL);
1292}
1293
1294void
1295bna_port_cb_tx_stopped(struct bna_port *port, enum bna_cb_status status)
1296{
1297 bfa_wc_down(&port->chld_stop_wc);
1298}
1299
1300void
1301bna_port_cb_rx_stopped(struct bna_port *port, enum bna_cb_status status)
1302{
1303 bfa_wc_down(&port->chld_stop_wc);
1304}
1305
1306int
1307bna_port_mtu_get(struct bna_port *port)
1308{
1309 return port->mtu;
1310}
1311
1312void
1313bna_port_enable(struct bna_port *port)
1314{
1315 if (port->fsm != (bfa_sm_t)bna_port_sm_stopped)
1316 return;
1317
1318 port->flags |= BNA_PORT_F_ENABLED;
1319
1320 if (port->flags & BNA_PORT_F_DEVICE_READY)
1321 bfa_fsm_send_event(port, PORT_E_START);
1322}
1323
1324void
1325bna_port_disable(struct bna_port *port, enum bna_cleanup_type type,
1326 void (*cbfn)(void *, enum bna_cb_status))
1327{
1328 if (type == BNA_SOFT_CLEANUP) {
1329 (*cbfn)(port->bna->bnad, BNA_CB_SUCCESS);
1330 return;
1331 }
1332
1333 port->stop_cbfn = cbfn;
1334 port->stop_cbarg = port->bna->bnad;
1335
1336 port->flags &= ~BNA_PORT_F_ENABLED;
1337
1338 bfa_fsm_send_event(port, PORT_E_STOP);
1339}
1340
1341void
1342bna_port_pause_config(struct bna_port *port,
1343 struct bna_pause_config *pause_config,
1344 void (*cbfn)(struct bnad *, enum bna_cb_status))
1345{
1346 port->pause_config = *pause_config;
1347
1348 port->pause_cbfn = cbfn;
1349
1350 bfa_fsm_send_event(port, PORT_E_PAUSE_CFG);
1351}
1352
1353void
1354bna_port_mtu_set(struct bna_port *port, int mtu,
1355 void (*cbfn)(struct bnad *, enum bna_cb_status))
1356{
1357 port->mtu = mtu;
1358
1359 port->mtu_cbfn = cbfn;
1360
1361 bfa_fsm_send_event(port, PORT_E_MTU_CFG);
1362}
1363
1364void
1365bna_port_mac_get(struct bna_port *port, mac_t *mac)
1366{
1367 *mac = bfa_nw_ioc_get_mac(&port->bna->device.ioc);
1368}
1369
1370/**
1371 * DEVICE
1372 */
1373#define enable_mbox_intr(_device)\
1374do {\
1375 u32 intr_status;\
1376 bna_intr_status_get((_device)->bna, intr_status);\
1377 bnad_cb_device_enable_mbox_intr((_device)->bna->bnad);\
1378 bna_mbox_intr_enable((_device)->bna);\
1379} while (0)
1380
1381#define disable_mbox_intr(_device)\
1382do {\
1383 bna_mbox_intr_disable((_device)->bna);\
1384 bnad_cb_device_disable_mbox_intr((_device)->bna->bnad);\
1385} while (0)
1386
1387static const struct bna_chip_regs_offset reg_offset[] =
1388{{HOST_PAGE_NUM_FN0, HOSTFN0_INT_STATUS,
1389 HOSTFN0_INT_MASK, HOST_MSIX_ERR_INDEX_FN0},
1390{HOST_PAGE_NUM_FN1, HOSTFN1_INT_STATUS,
1391 HOSTFN1_INT_MASK, HOST_MSIX_ERR_INDEX_FN1},
1392{HOST_PAGE_NUM_FN2, HOSTFN2_INT_STATUS,
1393 HOSTFN2_INT_MASK, HOST_MSIX_ERR_INDEX_FN2},
1394{HOST_PAGE_NUM_FN3, HOSTFN3_INT_STATUS,
1395 HOSTFN3_INT_MASK, HOST_MSIX_ERR_INDEX_FN3},
1396};
1397
1398enum bna_device_event {
1399 DEVICE_E_ENABLE = 1,
1400 DEVICE_E_DISABLE = 2,
1401 DEVICE_E_IOC_READY = 3,
1402 DEVICE_E_IOC_FAILED = 4,
1403 DEVICE_E_IOC_DISABLED = 5,
1404 DEVICE_E_IOC_RESET = 6,
1405 DEVICE_E_PORT_STOPPED = 7,
1406};
1407
1408enum bna_device_state {
1409 BNA_DEVICE_STOPPED = 1,
1410 BNA_DEVICE_IOC_READY_WAIT = 2,
1411 BNA_DEVICE_READY = 3,
1412 BNA_DEVICE_PORT_STOP_WAIT = 4,
1413 BNA_DEVICE_IOC_DISABLE_WAIT = 5,
1414 BNA_DEVICE_FAILED = 6
1415};
1416
1417bfa_fsm_state_decl(bna_device, stopped, struct bna_device,
1418 enum bna_device_event);
1419bfa_fsm_state_decl(bna_device, ioc_ready_wait, struct bna_device,
1420 enum bna_device_event);
1421bfa_fsm_state_decl(bna_device, ready, struct bna_device,
1422 enum bna_device_event);
1423bfa_fsm_state_decl(bna_device, port_stop_wait, struct bna_device,
1424 enum bna_device_event);
1425bfa_fsm_state_decl(bna_device, ioc_disable_wait, struct bna_device,
1426 enum bna_device_event);
1427bfa_fsm_state_decl(bna_device, failed, struct bna_device,
1428 enum bna_device_event);
1429
1430static struct bfa_sm_table device_sm_table[] = {
1431 {BFA_SM(bna_device_sm_stopped), BNA_DEVICE_STOPPED},
1432 {BFA_SM(bna_device_sm_ioc_ready_wait), BNA_DEVICE_IOC_READY_WAIT},
1433 {BFA_SM(bna_device_sm_ready), BNA_DEVICE_READY},
1434 {BFA_SM(bna_device_sm_port_stop_wait), BNA_DEVICE_PORT_STOP_WAIT},
1435 {BFA_SM(bna_device_sm_ioc_disable_wait), BNA_DEVICE_IOC_DISABLE_WAIT},
1436 {BFA_SM(bna_device_sm_failed), BNA_DEVICE_FAILED},
1437};
1438
1439static void
1440bna_device_sm_stopped_entry(struct bna_device *device)
1441{
1442 if (device->stop_cbfn)
1443 device->stop_cbfn(device->stop_cbarg, BNA_CB_SUCCESS);
1444
1445 device->stop_cbfn = NULL;
1446 device->stop_cbarg = NULL;
1447}
1448
1449static void
1450bna_device_sm_stopped(struct bna_device *device,
1451 enum bna_device_event event)
1452{
1453 switch (event) {
1454 case DEVICE_E_ENABLE:
1455 if (device->intr_type == BNA_INTR_T_MSIX)
1456 bna_mbox_msix_idx_set(device);
1457 bfa_nw_ioc_enable(&device->ioc);
1458 bfa_fsm_set_state(device, bna_device_sm_ioc_ready_wait);
1459 break;
1460
1461 case DEVICE_E_DISABLE:
1462 bfa_fsm_set_state(device, bna_device_sm_stopped);
1463 break;
1464
1465 case DEVICE_E_IOC_RESET:
1466 enable_mbox_intr(device);
1467 break;
1468
1469 case DEVICE_E_IOC_FAILED:
1470 bfa_fsm_set_state(device, bna_device_sm_failed);
1471 break;
1472
1473 default:
1474 bfa_sm_fault(event);
1475 }
1476}
1477
1478static void
1479bna_device_sm_ioc_ready_wait_entry(struct bna_device *device)
1480{
1481 /**
1482 * Do not call bfa_ioc_enable() here. It must be called in the
1483 * previous state due to failed -> ioc_ready_wait transition.
1484 */
1485}
1486
1487static void
1488bna_device_sm_ioc_ready_wait(struct bna_device *device,
1489 enum bna_device_event event)
1490{
1491 switch (event) {
1492 case DEVICE_E_DISABLE:
1493 if (device->ready_cbfn)
1494 device->ready_cbfn(device->ready_cbarg,
1495 BNA_CB_INTERRUPT);
1496 device->ready_cbfn = NULL;
1497 device->ready_cbarg = NULL;
1498 bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait);
1499 break;
1500
1501 case DEVICE_E_IOC_READY:
1502 bfa_fsm_set_state(device, bna_device_sm_ready);
1503 break;
1504
1505 case DEVICE_E_IOC_FAILED:
1506 bfa_fsm_set_state(device, bna_device_sm_failed);
1507 break;
1508
1509 case DEVICE_E_IOC_RESET:
1510 enable_mbox_intr(device);
1511 break;
1512
1513 default:
1514 bfa_sm_fault(event);
1515 }
1516}
1517
1518static void
1519bna_device_sm_ready_entry(struct bna_device *device)
1520{
1521 bna_mbox_mod_start(&device->bna->mbox_mod);
1522 bna_port_start(&device->bna->port);
1523
1524 if (device->ready_cbfn)
1525 device->ready_cbfn(device->ready_cbarg,
1526 BNA_CB_SUCCESS);
1527 device->ready_cbfn = NULL;
1528 device->ready_cbarg = NULL;
1529}
1530
1531static void
1532bna_device_sm_ready(struct bna_device *device, enum bna_device_event event)
1533{
1534 switch (event) {
1535 case DEVICE_E_DISABLE:
1536 bfa_fsm_set_state(device, bna_device_sm_port_stop_wait);
1537 break;
1538
1539 case DEVICE_E_IOC_FAILED:
1540 bfa_fsm_set_state(device, bna_device_sm_failed);
1541 break;
1542
1543 default:
1544 bfa_sm_fault(event);
1545 }
1546}
1547
1548static void
1549bna_device_sm_port_stop_wait_entry(struct bna_device *device)
1550{
1551 bna_port_stop(&device->bna->port);
1552}
1553
1554static void
1555bna_device_sm_port_stop_wait(struct bna_device *device,
1556 enum bna_device_event event)
1557{
1558 switch (event) {
1559 case DEVICE_E_PORT_STOPPED:
1560 bna_mbox_mod_stop(&device->bna->mbox_mod);
1561 bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait);
1562 break;
1563
1564 case DEVICE_E_IOC_FAILED:
1565 disable_mbox_intr(device);
1566 bna_port_fail(&device->bna->port);
1567 break;
1568
1569 default:
1570 bfa_sm_fault(event);
1571 }
1572}
1573
1574static void
1575bna_device_sm_ioc_disable_wait_entry(struct bna_device *device)
1576{
1577 bfa_nw_ioc_disable(&device->ioc);
1578}
1579
1580static void
1581bna_device_sm_ioc_disable_wait(struct bna_device *device,
1582 enum bna_device_event event)
1583{
1584 switch (event) {
1585 case DEVICE_E_IOC_DISABLED:
1586 disable_mbox_intr(device);
1587 bfa_fsm_set_state(device, bna_device_sm_stopped);
1588 break;
1589
1590 default:
1591 bfa_sm_fault(event);
1592 }
1593}
1594
1595static void
1596bna_device_sm_failed_entry(struct bna_device *device)
1597{
1598 disable_mbox_intr(device);
1599 bna_port_fail(&device->bna->port);
1600 bna_mbox_mod_stop(&device->bna->mbox_mod);
1601
1602 if (device->ready_cbfn)
1603 device->ready_cbfn(device->ready_cbarg,
1604 BNA_CB_FAIL);
1605 device->ready_cbfn = NULL;
1606 device->ready_cbarg = NULL;
1607}
1608
1609static void
1610bna_device_sm_failed(struct bna_device *device,
1611 enum bna_device_event event)
1612{
1613 switch (event) {
1614 case DEVICE_E_DISABLE:
1615 bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait);
1616 break;
1617
1618 case DEVICE_E_IOC_RESET:
1619 enable_mbox_intr(device);
1620 bfa_fsm_set_state(device, bna_device_sm_ioc_ready_wait);
1621 break;
1622
1623 default:
1624 bfa_sm_fault(event);
1625 }
1626}
1627
1628/* IOC callback functions */
1629
1630static void
1631bna_device_cb_iocll_ready(void *dev, enum bfa_status error)
1632{
1633 struct bna_device *device = (struct bna_device *)dev;
1634
1635 if (error)
1636 bfa_fsm_send_event(device, DEVICE_E_IOC_FAILED);
1637 else
1638 bfa_fsm_send_event(device, DEVICE_E_IOC_READY);
1639}
1640
1641static void
1642bna_device_cb_iocll_disabled(void *dev)
1643{
1644 struct bna_device *device = (struct bna_device *)dev;
1645
1646 bfa_fsm_send_event(device, DEVICE_E_IOC_DISABLED);
1647}
1648
1649static void
1650bna_device_cb_iocll_failed(void *dev)
1651{
1652 struct bna_device *device = (struct bna_device *)dev;
1653
1654 bfa_fsm_send_event(device, DEVICE_E_IOC_FAILED);
1655}
1656
1657static void
1658bna_device_cb_iocll_reset(void *dev)
1659{
1660 struct bna_device *device = (struct bna_device *)dev;
1661
1662 bfa_fsm_send_event(device, DEVICE_E_IOC_RESET);
1663}
1664
1665static struct bfa_ioc_cbfn bfa_iocll_cbfn = {
1666 bna_device_cb_iocll_ready,
1667 bna_device_cb_iocll_disabled,
1668 bna_device_cb_iocll_failed,
1669 bna_device_cb_iocll_reset
1670};
1671
1672/* device */
1673static void
1674bna_adv_device_init(struct bna_device *device, struct bna *bna,
1675 struct bna_res_info *res_info)
1676{
1677 u8 *kva;
1678 u64 dma;
1679
1680 device->bna = bna;
1681
1682 kva = res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mdl[0].kva;
1683
1684 /**
1685 * Attach common modules (Diag, SFP, CEE, Port) and claim respective
1686 * DMA memory.
1687 */
1688 BNA_GET_DMA_ADDR(
1689 &res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].dma, dma);
1690 kva = res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].kva;
1691
1692 bfa_nw_cee_attach(&bna->cee, &device->ioc, bna);
1693 bfa_nw_cee_mem_claim(&bna->cee, kva, dma);
1694 kva += bfa_nw_cee_meminfo();
1695 dma += bfa_nw_cee_meminfo();
1696
1697}
1698
1699static void
1700bna_device_init(struct bna_device *device, struct bna *bna,
1701 struct bna_res_info *res_info)
1702{
1703 u64 dma;
1704
1705 device->bna = bna;
1706
1707 /**
1708 * Attach IOC and claim:
1709 * 1. DMA memory for IOC attributes
1710 * 2. Kernel memory for FW trace
1711 */
1712 bfa_nw_ioc_attach(&device->ioc, device, &bfa_iocll_cbfn);
1713 bfa_nw_ioc_pci_init(&device->ioc, &bna->pcidev, BFI_MC_LL);
1714
1715 BNA_GET_DMA_ADDR(
1716 &res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].dma, dma);
1717 bfa_nw_ioc_mem_claim(&device->ioc,
1718 res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].kva,
1719 dma);
1720
1721 bna_adv_device_init(device, bna, res_info);
1722 /*
1723 * Initialize mbox_mod only after IOC, so that mbox handler
1724 * registration goes through
1725 */
1726 device->intr_type =
1727 res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.intr_type;
1728 device->vector =
1729 res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.idl[0].vector;
1730 bna_mbox_mod_init(&bna->mbox_mod, bna);
1731
1732 device->ready_cbfn = device->stop_cbfn = NULL;
1733 device->ready_cbarg = device->stop_cbarg = NULL;
1734
1735 bfa_fsm_set_state(device, bna_device_sm_stopped);
1736}
1737
1738static void
1739bna_device_uninit(struct bna_device *device)
1740{
1741 bna_mbox_mod_uninit(&device->bna->mbox_mod);
1742
1743 bfa_nw_ioc_detach(&device->ioc);
1744
1745 device->bna = NULL;
1746}
1747
1748static void
1749bna_device_cb_port_stopped(void *arg, enum bna_cb_status status)
1750{
1751 struct bna_device *device = (struct bna_device *)arg;
1752
1753 bfa_fsm_send_event(device, DEVICE_E_PORT_STOPPED);
1754}
1755
1756static int
1757bna_device_status_get(struct bna_device *device)
1758{
1759 return device->fsm == (bfa_fsm_t)bna_device_sm_ready;
1760}
1761
1762void
1763bna_device_enable(struct bna_device *device)
1764{
1765 if (device->fsm != (bfa_fsm_t)bna_device_sm_stopped) {
1766 bnad_cb_device_enabled(device->bna->bnad, BNA_CB_BUSY);
1767 return;
1768 }
1769
1770 device->ready_cbfn = bnad_cb_device_enabled;
1771 device->ready_cbarg = device->bna->bnad;
1772
1773 bfa_fsm_send_event(device, DEVICE_E_ENABLE);
1774}
1775
1776void
1777bna_device_disable(struct bna_device *device, enum bna_cleanup_type type)
1778{
1779 if (type == BNA_SOFT_CLEANUP) {
1780 bnad_cb_device_disabled(device->bna->bnad, BNA_CB_SUCCESS);
1781 return;
1782 }
1783
1784 device->stop_cbfn = bnad_cb_device_disabled;
1785 device->stop_cbarg = device->bna->bnad;
1786
1787 bfa_fsm_send_event(device, DEVICE_E_DISABLE);
1788}
1789
1790static int
1791bna_device_state_get(struct bna_device *device)
1792{
1793 return bfa_sm_to_state(device_sm_table, device->fsm);
1794}
1795
1796const u32 bna_napi_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = {
1797 {12, 12},
1798 {6, 10},
1799 {5, 10},
1800 {4, 8},
1801 {3, 6},
1802 {3, 6},
1803 {2, 4},
1804 {1, 2},
1805};
1806
1807/* utils */
1808
1809static void
1810bna_adv_res_req(struct bna_res_info *res_info)
1811{
1812 /* DMA memory for COMMON_MODULE */
1813 res_info[BNA_RES_MEM_T_COM].res_type = BNA_RES_T_MEM;
1814 res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
1815 res_info[BNA_RES_MEM_T_COM].res_u.mem_info.num = 1;
1816 res_info[BNA_RES_MEM_T_COM].res_u.mem_info.len = ALIGN(
1817 bfa_nw_cee_meminfo(), PAGE_SIZE);
1818
1819 /* Virtual memory for retreiving fw_trc */
1820 res_info[BNA_RES_MEM_T_FWTRC].res_type = BNA_RES_T_MEM;
1821 res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mem_type = BNA_MEM_T_KVA;
1822 res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.num = 0;
1823 res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.len = 0;
1824
1825 /* DMA memory for retreiving stats */
1826 res_info[BNA_RES_MEM_T_STATS].res_type = BNA_RES_T_MEM;
1827 res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
1828 res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.num = 1;
1829 res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.len =
1830 ALIGN(BFI_HW_STATS_SIZE, PAGE_SIZE);
1831
1832 /* Virtual memory for soft stats */
1833 res_info[BNA_RES_MEM_T_SWSTATS].res_type = BNA_RES_T_MEM;
1834 res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.mem_type = BNA_MEM_T_KVA;
1835 res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.num = 1;
1836 res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.len =
1837 sizeof(struct bna_sw_stats);
1838}
1839
1840static void
1841bna_sw_stats_get(struct bna *bna, struct bna_sw_stats *sw_stats)
1842{
1843 struct bna_tx *tx;
1844 struct bna_txq *txq;
1845 struct bna_rx *rx;
1846 struct bna_rxp *rxp;
1847 struct list_head *qe;
1848 struct list_head *txq_qe;
1849 struct list_head *rxp_qe;
1850 struct list_head *mac_qe;
1851 int i;
1852
1853 sw_stats->device_state = bna_device_state_get(&bna->device);
1854 sw_stats->port_state = bna_port_state_get(&bna->port);
1855 sw_stats->port_flags = bna->port.flags;
1856 sw_stats->llport_state = bna_llport_state_get(&bna->port.llport);
1857 sw_stats->priority = bna->port.priority;
1858
1859 i = 0;
1860 list_for_each(qe, &bna->tx_mod.tx_active_q) {
1861 tx = (struct bna_tx *)qe;
1862 sw_stats->tx_stats[i].tx_state = bna_tx_state_get(tx);
1863 sw_stats->tx_stats[i].tx_flags = tx->flags;
1864
1865 sw_stats->tx_stats[i].num_txqs = 0;
1866 sw_stats->tx_stats[i].txq_bmap[0] = 0;
1867 sw_stats->tx_stats[i].txq_bmap[1] = 0;
1868 list_for_each(txq_qe, &tx->txq_q) {
1869 txq = (struct bna_txq *)txq_qe;
1870 if (txq->txq_id < 32)
1871 sw_stats->tx_stats[i].txq_bmap[0] |=
1872 ((u32)1 << txq->txq_id);
1873 else
1874 sw_stats->tx_stats[i].txq_bmap[1] |=
1875 ((u32)
1876 1 << (txq->txq_id - 32));
1877 sw_stats->tx_stats[i].num_txqs++;
1878 }
1879
1880 sw_stats->tx_stats[i].txf_id = tx->txf.txf_id;
1881
1882 i++;
1883 }
1884 sw_stats->num_active_tx = i;
1885
1886 i = 0;
1887 list_for_each(qe, &bna->rx_mod.rx_active_q) {
1888 rx = (struct bna_rx *)qe;
1889 sw_stats->rx_stats[i].rx_state = bna_rx_state_get(rx);
1890 sw_stats->rx_stats[i].rx_flags = rx->rx_flags;
1891
1892 sw_stats->rx_stats[i].num_rxps = 0;
1893 sw_stats->rx_stats[i].num_rxqs = 0;
1894 sw_stats->rx_stats[i].rxq_bmap[0] = 0;
1895 sw_stats->rx_stats[i].rxq_bmap[1] = 0;
1896 sw_stats->rx_stats[i].cq_bmap[0] = 0;
1897 sw_stats->rx_stats[i].cq_bmap[1] = 0;
1898 list_for_each(rxp_qe, &rx->rxp_q) {
1899 rxp = (struct bna_rxp *)rxp_qe;
1900
1901 sw_stats->rx_stats[i].num_rxqs += 1;
1902
1903 if (rxp->type == BNA_RXP_SINGLE) {
1904 if (rxp->rxq.single.only->rxq_id < 32) {
1905 sw_stats->rx_stats[i].rxq_bmap[0] |=
1906 ((u32)1 <<
1907 rxp->rxq.single.only->rxq_id);
1908 } else {
1909 sw_stats->rx_stats[i].rxq_bmap[1] |=
1910 ((u32)1 <<
1911 (rxp->rxq.single.only->rxq_id - 32));
1912 }
1913 } else {
1914 if (rxp->rxq.slr.large->rxq_id < 32) {
1915 sw_stats->rx_stats[i].rxq_bmap[0] |=
1916 ((u32)1 <<
1917 rxp->rxq.slr.large->rxq_id);
1918 } else {
1919 sw_stats->rx_stats[i].rxq_bmap[1] |=
1920 ((u32)1 <<
1921 (rxp->rxq.slr.large->rxq_id - 32));
1922 }
1923
1924 if (rxp->rxq.slr.small->rxq_id < 32) {
1925 sw_stats->rx_stats[i].rxq_bmap[0] |=
1926 ((u32)1 <<
1927 rxp->rxq.slr.small->rxq_id);
1928 } else {
1929 sw_stats->rx_stats[i].rxq_bmap[1] |=
1930 ((u32)1 <<
1931 (rxp->rxq.slr.small->rxq_id - 32));
1932 }
1933 sw_stats->rx_stats[i].num_rxqs += 1;
1934 }
1935
1936 if (rxp->cq.cq_id < 32)
1937 sw_stats->rx_stats[i].cq_bmap[0] |=
1938 (1 << rxp->cq.cq_id);
1939 else
1940 sw_stats->rx_stats[i].cq_bmap[1] |=
1941 (1 << (rxp->cq.cq_id - 32));
1942
1943 sw_stats->rx_stats[i].num_rxps++;
1944 }
1945
1946 sw_stats->rx_stats[i].rxf_id = rx->rxf.rxf_id;
1947 sw_stats->rx_stats[i].rxf_state = bna_rxf_state_get(&rx->rxf);
1948 sw_stats->rx_stats[i].rxf_oper_state = rx->rxf.rxf_oper_state;
1949
1950 sw_stats->rx_stats[i].num_active_ucast = 0;
1951 if (rx->rxf.ucast_active_mac)
1952 sw_stats->rx_stats[i].num_active_ucast++;
1953 list_for_each(mac_qe, &rx->rxf.ucast_active_q)
1954 sw_stats->rx_stats[i].num_active_ucast++;
1955
1956 sw_stats->rx_stats[i].num_active_mcast = 0;
1957 list_for_each(mac_qe, &rx->rxf.mcast_active_q)
1958 sw_stats->rx_stats[i].num_active_mcast++;
1959
1960 sw_stats->rx_stats[i].rxmode_active = rx->rxf.rxmode_active;
1961 sw_stats->rx_stats[i].vlan_filter_status =
1962 rx->rxf.vlan_filter_status;
1963 memcpy(sw_stats->rx_stats[i].vlan_filter_table,
1964 rx->rxf.vlan_filter_table,
1965 sizeof(u32) * ((BFI_MAX_VLAN + 1) / 32));
1966
1967 sw_stats->rx_stats[i].rss_status = rx->rxf.rss_status;
1968 sw_stats->rx_stats[i].hds_status = rx->rxf.hds_status;
1969
1970 i++;
1971 }
1972 sw_stats->num_active_rx = i;
1973}
1974
1975static void
1976bna_fw_cb_stats_get(void *arg, int status)
1977{
1978 struct bna *bna = (struct bna *)arg;
1979 u64 *p_stats;
1980 int i, count;
1981 int rxf_count, txf_count;
1982 u64 rxf_bmap, txf_bmap;
1983
1984 bfa_q_qe_init(&bna->mbox_qe.qe);
1985
1986 if (status == 0) {
1987 p_stats = (u64 *)bna->stats.hw_stats;
1988 count = sizeof(struct bfi_ll_stats) / sizeof(u64);
1989 for (i = 0; i < count; i++)
1990 p_stats[i] = cpu_to_be64(p_stats[i]);
1991
1992 rxf_count = 0;
1993 rxf_bmap = (u64)bna->stats.rxf_bmap[0] |
1994 ((u64)bna->stats.rxf_bmap[1] << 32);
1995 for (i = 0; i < BFI_LL_RXF_ID_MAX; i++)
1996 if (rxf_bmap & ((u64)1 << i))
1997 rxf_count++;
1998
1999 txf_count = 0;
2000 txf_bmap = (u64)bna->stats.txf_bmap[0] |
2001 ((u64)bna->stats.txf_bmap[1] << 32);
2002 for (i = 0; i < BFI_LL_TXF_ID_MAX; i++)
2003 if (txf_bmap & ((u64)1 << i))
2004 txf_count++;
2005
2006 p_stats = (u64 *)&bna->stats.hw_stats->rxf_stats[0] +
2007 ((rxf_count * sizeof(struct bfi_ll_stats_rxf) +
2008 txf_count * sizeof(struct bfi_ll_stats_txf))/
2009 sizeof(u64));
2010
2011 /* Populate the TXF stats from the firmware DMAed copy */
2012 for (i = (BFI_LL_TXF_ID_MAX - 1); i >= 0; i--)
2013 if (txf_bmap & ((u64)1 << i)) {
2014 p_stats -= sizeof(struct bfi_ll_stats_txf)/
2015 sizeof(u64);
2016 memcpy(&bna->stats.hw_stats->txf_stats[i],
2017 p_stats,
2018 sizeof(struct bfi_ll_stats_txf));
2019 }
2020
2021 /* Populate the RXF stats from the firmware DMAed copy */
2022 for (i = (BFI_LL_RXF_ID_MAX - 1); i >= 0; i--)
2023 if (rxf_bmap & ((u64)1 << i)) {
2024 p_stats -= sizeof(struct bfi_ll_stats_rxf)/
2025 sizeof(u64);
2026 memcpy(&bna->stats.hw_stats->rxf_stats[i],
2027 p_stats,
2028 sizeof(struct bfi_ll_stats_rxf));
2029 }
2030
2031 bna_sw_stats_get(bna, bna->stats.sw_stats);
2032 bnad_cb_stats_get(bna->bnad, BNA_CB_SUCCESS, &bna->stats);
2033 } else
2034 bnad_cb_stats_get(bna->bnad, BNA_CB_FAIL, &bna->stats);
2035}
2036
2037static void
2038bna_fw_stats_get(struct bna *bna)
2039{
2040 struct bfi_ll_stats_req ll_req;
2041
2042 bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_GET_REQ, 0);
2043 ll_req.stats_mask = htons(BFI_LL_STATS_ALL);
2044
2045 ll_req.rxf_id_mask[0] = htonl(bna->rx_mod.rxf_bmap[0]);
2046 ll_req.rxf_id_mask[1] = htonl(bna->rx_mod.rxf_bmap[1]);
2047 ll_req.txf_id_mask[0] = htonl(bna->tx_mod.txf_bmap[0]);
2048 ll_req.txf_id_mask[1] = htonl(bna->tx_mod.txf_bmap[1]);
2049
2050 ll_req.host_buffer.a32.addr_hi = bna->hw_stats_dma.msb;
2051 ll_req.host_buffer.a32.addr_lo = bna->hw_stats_dma.lsb;
2052
2053 bna_mbox_qe_fill(&bna->mbox_qe, &ll_req, sizeof(ll_req),
2054 bna_fw_cb_stats_get, bna);
2055 bna_mbox_send(bna, &bna->mbox_qe);
2056
2057 bna->stats.rxf_bmap[0] = bna->rx_mod.rxf_bmap[0];
2058 bna->stats.rxf_bmap[1] = bna->rx_mod.rxf_bmap[1];
2059 bna->stats.txf_bmap[0] = bna->tx_mod.txf_bmap[0];
2060 bna->stats.txf_bmap[1] = bna->tx_mod.txf_bmap[1];
2061}
2062
2063void
2064bna_stats_get(struct bna *bna)
2065{
2066 if (bna_device_status_get(&bna->device))
2067 bna_fw_stats_get(bna);
2068 else
2069 bnad_cb_stats_get(bna->bnad, BNA_CB_FAIL, &bna->stats);
2070}
2071
2072/* IB */
2073static void
2074bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo)
2075{
2076 ib->ib_config.coalescing_timeo = coalescing_timeo;
2077
2078 if (ib->start_count)
2079 ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK(
2080 (u32)ib->ib_config.coalescing_timeo, 0);
2081}
2082
2083/* RxF */
2084void
2085bna_rxf_adv_init(struct bna_rxf *rxf,
2086 struct bna_rx *rx,
2087 struct bna_rx_config *q_config)
2088{
2089 switch (q_config->rxp_type) {
2090 case BNA_RXP_SINGLE:
2091 /* No-op */
2092 break;
2093 case BNA_RXP_SLR:
2094 rxf->ctrl_flags |= BNA_RXF_CF_SM_LG_RXQ;
2095 break;
2096 case BNA_RXP_HDS:
2097 rxf->hds_cfg.hdr_type = q_config->hds_config.hdr_type;
2098 rxf->hds_cfg.header_size =
2099 q_config->hds_config.header_size;
2100 rxf->forced_offset = 0;
2101 break;
2102 default:
2103 break;
2104 }
2105
2106 if (q_config->rss_status == BNA_STATUS_T_ENABLED) {
2107 rxf->ctrl_flags |= BNA_RXF_CF_RSS_ENABLE;
2108 rxf->rss_cfg.hash_type = q_config->rss_config.hash_type;
2109 rxf->rss_cfg.hash_mask = q_config->rss_config.hash_mask;
2110 memcpy(&rxf->rss_cfg.toeplitz_hash_key[0],
2111 &q_config->rss_config.toeplitz_hash_key[0],
2112 sizeof(rxf->rss_cfg.toeplitz_hash_key));
2113 }
2114}
2115
2116static void
2117rxf_fltr_mbox_cmd(struct bna_rxf *rxf, u8 cmd, enum bna_status status)
2118{
2119 struct bfi_ll_rxf_req req;
2120
2121 bfi_h2i_set(req.mh, BFI_MC_LL, cmd, 0);
2122
2123 req.rxf_id = rxf->rxf_id;
2124 req.enable = status;
2125
2126 bna_mbox_qe_fill(&rxf->mbox_qe, &req, sizeof(req),
2127 rxf_cb_cam_fltr_mbox_cmd, rxf);
2128
2129 bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
2130}
2131
2132int
2133rxf_process_packet_filter_ucast(struct bna_rxf *rxf)
2134{
2135 struct bna_mac *mac = NULL;
2136 struct list_head *qe;
2137
2138 /* Add additional MAC entries */
2139 if (!list_empty(&rxf->ucast_pending_add_q)) {
2140 bfa_q_deq(&rxf->ucast_pending_add_q, &qe);
2141 bfa_q_qe_init(qe);
2142 mac = (struct bna_mac *)qe;
2143 rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_ADD_REQ, mac);
2144 list_add_tail(&mac->qe, &rxf->ucast_active_q);
2145 return 1;
2146 }
2147
2148 /* Delete MAC addresses previousely added */
2149 if (!list_empty(&rxf->ucast_pending_del_q)) {
2150 bfa_q_deq(&rxf->ucast_pending_del_q, &qe);
2151 bfa_q_qe_init(qe);
2152 mac = (struct bna_mac *)qe;
2153 rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac);
2154 bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
2155 return 1;
2156 }
2157
2158 return 0;
2159}
2160
2161int
2162rxf_process_packet_filter_promisc(struct bna_rxf *rxf)
2163{
2164 struct bna *bna = rxf->rx->bna;
2165
2166 /* Enable/disable promiscuous mode */
2167 if (is_promisc_enable(rxf->rxmode_pending,
2168 rxf->rxmode_pending_bitmask)) {
2169 /* move promisc configuration from pending -> active */
2170 promisc_inactive(rxf->rxmode_pending,
2171 rxf->rxmode_pending_bitmask);
2172 rxf->rxmode_active |= BNA_RXMODE_PROMISC;
2173
2174 /* Disable VLAN filter to allow all VLANs */
2175 __rxf_vlan_filter_set(rxf, BNA_STATUS_T_DISABLED);
2176 rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ,
2177 BNA_STATUS_T_ENABLED);
2178 return 1;
2179 } else if (is_promisc_disable(rxf->rxmode_pending,
2180 rxf->rxmode_pending_bitmask)) {
2181 /* move promisc configuration from pending -> active */
2182 promisc_inactive(rxf->rxmode_pending,
2183 rxf->rxmode_pending_bitmask);
2184 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
2185 bna->rxf_promisc_id = BFI_MAX_RXF;
2186
2187 /* Revert VLAN filter */
2188 __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status);
2189 rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ,
2190 BNA_STATUS_T_DISABLED);
2191 return 1;
2192 }
2193
2194 return 0;
2195}
2196
2197int
2198rxf_process_packet_filter_allmulti(struct bna_rxf *rxf)
2199{
2200 /* Enable/disable allmulti mode */
2201 if (is_allmulti_enable(rxf->rxmode_pending,
2202 rxf->rxmode_pending_bitmask)) {
2203 /* move allmulti configuration from pending -> active */
2204 allmulti_inactive(rxf->rxmode_pending,
2205 rxf->rxmode_pending_bitmask);
2206 rxf->rxmode_active |= BNA_RXMODE_ALLMULTI;
2207
2208 rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ,
2209 BNA_STATUS_T_ENABLED);
2210 return 1;
2211 } else if (is_allmulti_disable(rxf->rxmode_pending,
2212 rxf->rxmode_pending_bitmask)) {
2213 /* move allmulti configuration from pending -> active */
2214 allmulti_inactive(rxf->rxmode_pending,
2215 rxf->rxmode_pending_bitmask);
2216 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
2217
2218 rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ,
2219 BNA_STATUS_T_DISABLED);
2220 return 1;
2221 }
2222
2223 return 0;
2224}
2225
2226int
2227rxf_clear_packet_filter_ucast(struct bna_rxf *rxf)
2228{
2229 struct bna_mac *mac = NULL;
2230 struct list_head *qe;
2231
2232 /* 1. delete pending ucast entries */
2233 if (!list_empty(&rxf->ucast_pending_del_q)) {
2234 bfa_q_deq(&rxf->ucast_pending_del_q, &qe);
2235 bfa_q_qe_init(qe);
2236 mac = (struct bna_mac *)qe;
2237 rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac);
2238 bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
2239 return 1;
2240 }
2241
2242 /* 2. clear active ucast entries; move them to pending_add_q */
2243 if (!list_empty(&rxf->ucast_active_q)) {
2244 bfa_q_deq(&rxf->ucast_active_q, &qe);
2245 bfa_q_qe_init(qe);
2246 mac = (struct bna_mac *)qe;
2247 rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac);
2248 list_add_tail(&mac->qe, &rxf->ucast_pending_add_q);
2249 return 1;
2250 }
2251
2252 return 0;
2253}
2254
2255int
2256rxf_clear_packet_filter_promisc(struct bna_rxf *rxf)
2257{
2258 struct bna *bna = rxf->rx->bna;
2259
2260 /* 6. Execute pending promisc mode disable command */
2261 if (is_promisc_disable(rxf->rxmode_pending,
2262 rxf->rxmode_pending_bitmask)) {
2263 /* move promisc configuration from pending -> active */
2264 promisc_inactive(rxf->rxmode_pending,
2265 rxf->rxmode_pending_bitmask);
2266 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
2267 bna->rxf_promisc_id = BFI_MAX_RXF;
2268
2269 /* Revert VLAN filter */
2270 __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status);
2271 rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ,
2272 BNA_STATUS_T_DISABLED);
2273 return 1;
2274 }
2275
2276 /* 7. Clear active promisc mode; move it to pending enable */
2277 if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
2278 /* move promisc configuration from active -> pending */
2279 promisc_enable(rxf->rxmode_pending,
2280 rxf->rxmode_pending_bitmask);
2281 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
2282
2283 /* Revert VLAN filter */
2284 __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status);
2285 rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ,
2286 BNA_STATUS_T_DISABLED);
2287 return 1;
2288 }
2289
2290 return 0;
2291}
2292
2293int
2294rxf_clear_packet_filter_allmulti(struct bna_rxf *rxf)
2295{
2296 /* 10. Execute pending allmulti mode disable command */
2297 if (is_allmulti_disable(rxf->rxmode_pending,
2298 rxf->rxmode_pending_bitmask)) {
2299 /* move allmulti configuration from pending -> active */
2300 allmulti_inactive(rxf->rxmode_pending,
2301 rxf->rxmode_pending_bitmask);
2302 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
2303 rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ,
2304 BNA_STATUS_T_DISABLED);
2305 return 1;
2306 }
2307
2308 /* 11. Clear active allmulti mode; move it to pending enable */
2309 if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
2310 /* move allmulti configuration from active -> pending */
2311 allmulti_enable(rxf->rxmode_pending,
2312 rxf->rxmode_pending_bitmask);
2313 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
2314 rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ,
2315 BNA_STATUS_T_DISABLED);
2316 return 1;
2317 }
2318
2319 return 0;
2320}
2321
2322void
2323rxf_reset_packet_filter_ucast(struct bna_rxf *rxf)
2324{
2325 struct list_head *qe;
2326 struct bna_mac *mac;
2327
2328 /* 1. Move active ucast entries to pending_add_q */
2329 while (!list_empty(&rxf->ucast_active_q)) {
2330 bfa_q_deq(&rxf->ucast_active_q, &qe);
2331 bfa_q_qe_init(qe);
2332 list_add_tail(qe, &rxf->ucast_pending_add_q);
2333 }
2334
2335 /* 2. Throw away delete pending ucast entries */
2336 while (!list_empty(&rxf->ucast_pending_del_q)) {
2337 bfa_q_deq(&rxf->ucast_pending_del_q, &qe);
2338 bfa_q_qe_init(qe);
2339 mac = (struct bna_mac *)qe;
2340 bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
2341 }
2342}
2343
2344void
2345rxf_reset_packet_filter_promisc(struct bna_rxf *rxf)
2346{
2347 struct bna *bna = rxf->rx->bna;
2348
2349 /* 6. Clear pending promisc mode disable */
2350 if (is_promisc_disable(rxf->rxmode_pending,
2351 rxf->rxmode_pending_bitmask)) {
2352 promisc_inactive(rxf->rxmode_pending,
2353 rxf->rxmode_pending_bitmask);
2354 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
2355 bna->rxf_promisc_id = BFI_MAX_RXF;
2356 }
2357
2358 /* 7. Move promisc mode config from active -> pending */
2359 if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
2360 promisc_enable(rxf->rxmode_pending,
2361 rxf->rxmode_pending_bitmask);
2362 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
2363 }
2364
2365}
2366
2367void
2368rxf_reset_packet_filter_allmulti(struct bna_rxf *rxf)
2369{
2370 /* 10. Clear pending allmulti mode disable */
2371 if (is_allmulti_disable(rxf->rxmode_pending,
2372 rxf->rxmode_pending_bitmask)) {
2373 allmulti_inactive(rxf->rxmode_pending,
2374 rxf->rxmode_pending_bitmask);
2375 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
2376 }
2377
2378 /* 11. Move allmulti mode config from active -> pending */
2379 if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
2380 allmulti_enable(rxf->rxmode_pending,
2381 rxf->rxmode_pending_bitmask);
2382 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
2383 }
2384}
2385
2386/**
2387 * Should only be called by bna_rxf_mode_set.
2388 * Helps deciding if h/w configuration is needed or not.
2389 * Returns:
2390 * 0 = no h/w change
2391 * 1 = need h/w change
2392 */
2393static int
2394rxf_promisc_enable(struct bna_rxf *rxf)
2395{
2396 struct bna *bna = rxf->rx->bna;
2397 int ret = 0;
2398
2399 /* There can not be any pending disable command */
2400
2401 /* Do nothing if pending enable or already enabled */
2402 if (is_promisc_enable(rxf->rxmode_pending,
2403 rxf->rxmode_pending_bitmask) ||
2404 (rxf->rxmode_active & BNA_RXMODE_PROMISC)) {
2405 /* Schedule enable */
2406 } else {
2407 /* Promisc mode should not be active in the system */
2408 promisc_enable(rxf->rxmode_pending,
2409 rxf->rxmode_pending_bitmask);
2410 bna->rxf_promisc_id = rxf->rxf_id;
2411 ret = 1;
2412 }
2413
2414 return ret;
2415}
2416
2417/**
2418 * Should only be called by bna_rxf_mode_set.
2419 * Helps deciding if h/w configuration is needed or not.
2420 * Returns:
2421 * 0 = no h/w change
2422 * 1 = need h/w change
2423 */
2424static int
2425rxf_promisc_disable(struct bna_rxf *rxf)
2426{
2427 struct bna *bna = rxf->rx->bna;
2428 int ret = 0;
2429
2430 /* There can not be any pending disable */
2431
2432 /* Turn off pending enable command , if any */
2433 if (is_promisc_enable(rxf->rxmode_pending,
2434 rxf->rxmode_pending_bitmask)) {
2435 /* Promisc mode should not be active */
2436 /* system promisc state should be pending */
2437 promisc_inactive(rxf->rxmode_pending,
2438 rxf->rxmode_pending_bitmask);
2439 /* Remove the promisc state from the system */
2440 bna->rxf_promisc_id = BFI_MAX_RXF;
2441
2442 /* Schedule disable */
2443 } else if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
2444 /* Promisc mode should be active in the system */
2445 promisc_disable(rxf->rxmode_pending,
2446 rxf->rxmode_pending_bitmask);
2447 ret = 1;
2448
2449 /* Do nothing if already disabled */
2450 } else {
2451 }
2452
2453 return ret;
2454}
2455
2456/**
2457 * Should only be called by bna_rxf_mode_set.
2458 * Helps deciding if h/w configuration is needed or not.
2459 * Returns:
2460 * 0 = no h/w change
2461 * 1 = need h/w change
2462 */
2463static int
2464rxf_allmulti_enable(struct bna_rxf *rxf)
2465{
2466 int ret = 0;
2467
2468 /* There can not be any pending disable command */
2469
2470 /* Do nothing if pending enable or already enabled */
2471 if (is_allmulti_enable(rxf->rxmode_pending,
2472 rxf->rxmode_pending_bitmask) ||
2473 (rxf->rxmode_active & BNA_RXMODE_ALLMULTI)) {
2474 /* Schedule enable */
2475 } else {
2476 allmulti_enable(rxf->rxmode_pending,
2477 rxf->rxmode_pending_bitmask);
2478 ret = 1;
2479 }
2480
2481 return ret;
2482}
2483
2484/**
2485 * Should only be called by bna_rxf_mode_set.
2486 * Helps deciding if h/w configuration is needed or not.
2487 * Returns:
2488 * 0 = no h/w change
2489 * 1 = need h/w change
2490 */
2491static int
2492rxf_allmulti_disable(struct bna_rxf *rxf)
2493{
2494 int ret = 0;
2495
2496 /* There can not be any pending disable */
2497
2498 /* Turn off pending enable command , if any */
2499 if (is_allmulti_enable(rxf->rxmode_pending,
2500 rxf->rxmode_pending_bitmask)) {
2501 /* Allmulti mode should not be active */
2502 allmulti_inactive(rxf->rxmode_pending,
2503 rxf->rxmode_pending_bitmask);
2504
2505 /* Schedule disable */
2506 } else if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
2507 allmulti_disable(rxf->rxmode_pending,
2508 rxf->rxmode_pending_bitmask);
2509 ret = 1;
2510 }
2511
2512 return ret;
2513}
2514
2515/* RxF <- bnad */
2516enum bna_cb_status
2517bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode new_mode,
2518 enum bna_rxmode bitmask,
2519 void (*cbfn)(struct bnad *, struct bna_rx *,
2520 enum bna_cb_status))
2521{
2522 struct bna_rxf *rxf = &rx->rxf;
2523 int need_hw_config = 0;
2524
2525 /* Process the commands */
2526
2527 if (is_promisc_enable(new_mode, bitmask)) {
2528 /* If promisc mode is already enabled elsewhere in the system */
2529 if ((rx->bna->rxf_promisc_id != BFI_MAX_RXF) &&
2530 (rx->bna->rxf_promisc_id != rxf->rxf_id))
2531 goto err_return;
2532 if (rxf_promisc_enable(rxf))
2533 need_hw_config = 1;
2534 } else if (is_promisc_disable(new_mode, bitmask)) {
2535 if (rxf_promisc_disable(rxf))
2536 need_hw_config = 1;
2537 }
2538
2539 if (is_allmulti_enable(new_mode, bitmask)) {
2540 if (rxf_allmulti_enable(rxf))
2541 need_hw_config = 1;
2542 } else if (is_allmulti_disable(new_mode, bitmask)) {
2543 if (rxf_allmulti_disable(rxf))
2544 need_hw_config = 1;
2545 }
2546
2547 /* Trigger h/w if needed */
2548
2549 if (need_hw_config) {
2550 rxf->cam_fltr_cbfn = cbfn;
2551 rxf->cam_fltr_cbarg = rx->bna->bnad;
2552 bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
2553 } else if (cbfn)
2554 (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
2555
2556 return BNA_CB_SUCCESS;
2557
2558err_return:
2559 return BNA_CB_FAIL;
2560}
2561
2562void
2563/* RxF <- bnad */
2564bna_rx_vlanfilter_enable(struct bna_rx *rx)
2565{
2566 struct bna_rxf *rxf = &rx->rxf;
2567
2568 if (rxf->vlan_filter_status == BNA_STATUS_T_DISABLED) {
2569 rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
2570 rxf->vlan_filter_status = BNA_STATUS_T_ENABLED;
2571 bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
2572 }
2573}
2574
2575/* Rx */
2576
2577/* Rx <- bnad */
2578void
2579bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo)
2580{
2581 struct bna_rxp *rxp;
2582 struct list_head *qe;
2583
2584 list_for_each(qe, &rx->rxp_q) {
2585 rxp = (struct bna_rxp *)qe;
2586 rxp->cq.ccb->rx_coalescing_timeo = coalescing_timeo;
2587 bna_ib_coalescing_timeo_set(rxp->cq.ib, coalescing_timeo);
2588 }
2589}
2590
2591/* Rx <- bnad */
2592void
2593bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX])
2594{
2595 int i, j;
2596
2597 for (i = 0; i < BNA_LOAD_T_MAX; i++)
2598 for (j = 0; j < BNA_BIAS_T_MAX; j++)
2599 bna->rx_mod.dim_vector[i][j] = vector[i][j];
2600}
2601
2602/* Rx <- bnad */
2603void
2604bna_rx_dim_update(struct bna_ccb *ccb)
2605{
2606 struct bna *bna = ccb->cq->rx->bna;
2607 u32 load, bias;
2608 u32 pkt_rt, small_rt, large_rt;
2609 u8 coalescing_timeo;
2610
2611 if ((ccb->pkt_rate.small_pkt_cnt == 0) &&
2612 (ccb->pkt_rate.large_pkt_cnt == 0))
2613 return;
2614
2615 /* Arrive at preconfigured coalescing timeo value based on pkt rate */
2616
2617 small_rt = ccb->pkt_rate.small_pkt_cnt;
2618 large_rt = ccb->pkt_rate.large_pkt_cnt;
2619
2620 pkt_rt = small_rt + large_rt;
2621
2622 if (pkt_rt < BNA_PKT_RATE_10K)
2623 load = BNA_LOAD_T_LOW_4;
2624 else if (pkt_rt < BNA_PKT_RATE_20K)
2625 load = BNA_LOAD_T_LOW_3;
2626 else if (pkt_rt < BNA_PKT_RATE_30K)
2627 load = BNA_LOAD_T_LOW_2;
2628 else if (pkt_rt < BNA_PKT_RATE_40K)
2629 load = BNA_LOAD_T_LOW_1;
2630 else if (pkt_rt < BNA_PKT_RATE_50K)
2631 load = BNA_LOAD_T_HIGH_1;
2632 else if (pkt_rt < BNA_PKT_RATE_60K)
2633 load = BNA_LOAD_T_HIGH_2;
2634 else if (pkt_rt < BNA_PKT_RATE_80K)
2635 load = BNA_LOAD_T_HIGH_3;
2636 else
2637 load = BNA_LOAD_T_HIGH_4;
2638
2639 if (small_rt > (large_rt << 1))
2640 bias = 0;
2641 else
2642 bias = 1;
2643
2644 ccb->pkt_rate.small_pkt_cnt = 0;
2645 ccb->pkt_rate.large_pkt_cnt = 0;
2646
2647 coalescing_timeo = bna->rx_mod.dim_vector[load][bias];
2648 ccb->rx_coalescing_timeo = coalescing_timeo;
2649
2650 /* Set it to IB */
2651 bna_ib_coalescing_timeo_set(ccb->cq->ib, coalescing_timeo);
2652}
2653
2654/* Tx */
2655/* TX <- bnad */
2656void
2657bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo)
2658{
2659 struct bna_txq *txq;
2660 struct list_head *qe;
2661
2662 list_for_each(qe, &tx->txq_q) {
2663 txq = (struct bna_txq *)qe;
2664 bna_ib_coalescing_timeo_set(txq->ib, coalescing_timeo);
2665 }
2666}
2667
2668/*
2669 * Private data
2670 */
2671
2672struct bna_ritseg_pool_cfg {
2673 u32 pool_size;
2674 u32 pool_entry_size;
2675};
2676init_ritseg_pool(ritseg_pool_cfg);
2677
2678/*
2679 * Private functions
2680 */
2681static void
2682bna_ucam_mod_init(struct bna_ucam_mod *ucam_mod, struct bna *bna,
2683 struct bna_res_info *res_info)
2684{
2685 int i;
2686
2687 ucam_mod->ucmac = (struct bna_mac *)
2688 res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mdl[0].kva;
2689
2690 INIT_LIST_HEAD(&ucam_mod->free_q);
2691 for (i = 0; i < BFI_MAX_UCMAC; i++) {
2692 bfa_q_qe_init(&ucam_mod->ucmac[i].qe);
2693 list_add_tail(&ucam_mod->ucmac[i].qe, &ucam_mod->free_q);
2694 }
2695
2696 ucam_mod->bna = bna;
2697}
2698
2699static void
2700bna_ucam_mod_uninit(struct bna_ucam_mod *ucam_mod)
2701{
2702 struct list_head *qe;
2703 int i = 0;
2704
2705 list_for_each(qe, &ucam_mod->free_q)
2706 i++;
2707
2708 ucam_mod->bna = NULL;
2709}
2710
2711static void
2712bna_mcam_mod_init(struct bna_mcam_mod *mcam_mod, struct bna *bna,
2713 struct bna_res_info *res_info)
2714{
2715 int i;
2716
2717 mcam_mod->mcmac = (struct bna_mac *)
2718 res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mdl[0].kva;
2719
2720 INIT_LIST_HEAD(&mcam_mod->free_q);
2721 for (i = 0; i < BFI_MAX_MCMAC; i++) {
2722 bfa_q_qe_init(&mcam_mod->mcmac[i].qe);
2723 list_add_tail(&mcam_mod->mcmac[i].qe, &mcam_mod->free_q);
2724 }
2725
2726 mcam_mod->bna = bna;
2727}
2728
2729static void
2730bna_mcam_mod_uninit(struct bna_mcam_mod *mcam_mod)
2731{
2732 struct list_head *qe;
2733 int i = 0;
2734
2735 list_for_each(qe, &mcam_mod->free_q)
2736 i++;
2737
2738 mcam_mod->bna = NULL;
2739}
2740
2741static void
2742bna_rit_mod_init(struct bna_rit_mod *rit_mod,
2743 struct bna_res_info *res_info)
2744{
2745 int i;
2746 int j;
2747 int count;
2748 int offset;
2749
2750 rit_mod->rit = (struct bna_rit_entry *)
2751 res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.mdl[0].kva;
2752 rit_mod->rit_segment = (struct bna_rit_segment *)
2753 res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.mdl[0].kva;
2754
2755 count = 0;
2756 offset = 0;
2757 for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) {
2758 INIT_LIST_HEAD(&rit_mod->rit_seg_pool[i]);
2759 for (j = 0; j < ritseg_pool_cfg[i].pool_size; j++) {
2760 bfa_q_qe_init(&rit_mod->rit_segment[count].qe);
2761 rit_mod->rit_segment[count].max_rit_size =
2762 ritseg_pool_cfg[i].pool_entry_size;
2763 rit_mod->rit_segment[count].rit_offset = offset;
2764 rit_mod->rit_segment[count].rit =
2765 &rit_mod->rit[offset];
2766 list_add_tail(&rit_mod->rit_segment[count].qe,
2767 &rit_mod->rit_seg_pool[i]);
2768 count++;
2769 offset += ritseg_pool_cfg[i].pool_entry_size;
2770 }
2771 }
2772}
2773
2774/*
2775 * Public functions
2776 */
2777
2778/* Called during probe(), before calling bna_init() */
2779void
2780bna_res_req(struct bna_res_info *res_info)
2781{
2782 bna_adv_res_req(res_info);
2783
2784 /* DMA memory for retrieving IOC attributes */
2785 res_info[BNA_RES_MEM_T_ATTR].res_type = BNA_RES_T_MEM;
2786 res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
2787 res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.num = 1;
2788 res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.len =
2789 ALIGN(bfa_nw_ioc_meminfo(), PAGE_SIZE);
2790
2791 /* DMA memory for index segment of an IB */
2792 res_info[BNA_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM;
2793 res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
2794 res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.len =
2795 BFI_IBIDX_SIZE * BFI_IBIDX_MAX_SEGSIZE;
2796 res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.num = BFI_MAX_IB;
2797
2798 /* Virtual memory for IB objects - stored by IB module */
2799 res_info[BNA_RES_MEM_T_IB_ARRAY].res_type = BNA_RES_T_MEM;
2800 res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.mem_type =
2801 BNA_MEM_T_KVA;
2802 res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.num = 1;
2803 res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.len =
2804 BFI_MAX_IB * sizeof(struct bna_ib);
2805
2806 /* Virtual memory for intr objects - stored by IB module */
2807 res_info[BNA_RES_MEM_T_INTR_ARRAY].res_type = BNA_RES_T_MEM;
2808 res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.mem_type =
2809 BNA_MEM_T_KVA;
2810 res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.num = 1;
2811 res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.len =
2812 BFI_MAX_IB * sizeof(struct bna_intr);
2813
2814 /* Virtual memory for idx_seg objects - stored by IB module */
2815 res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_type = BNA_RES_T_MEM;
2816 res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.mem_type =
2817 BNA_MEM_T_KVA;
2818 res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.num = 1;
2819 res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.len =
2820 BFI_IBIDX_TOTAL_SEGS * sizeof(struct bna_ibidx_seg);
2821
2822 /* Virtual memory for Tx objects - stored by Tx module */
2823 res_info[BNA_RES_MEM_T_TX_ARRAY].res_type = BNA_RES_T_MEM;
2824 res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.mem_type =
2825 BNA_MEM_T_KVA;
2826 res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.num = 1;
2827 res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.len =
2828 BFI_MAX_TXQ * sizeof(struct bna_tx);
2829
2830 /* Virtual memory for TxQ - stored by Tx module */
2831 res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_type = BNA_RES_T_MEM;
2832 res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mem_type =
2833 BNA_MEM_T_KVA;
2834 res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.num = 1;
2835 res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.len =
2836 BFI_MAX_TXQ * sizeof(struct bna_txq);
2837
2838 /* Virtual memory for Rx objects - stored by Rx module */
2839 res_info[BNA_RES_MEM_T_RX_ARRAY].res_type = BNA_RES_T_MEM;
2840 res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.mem_type =
2841 BNA_MEM_T_KVA;
2842 res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.num = 1;
2843 res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.len =
2844 BFI_MAX_RXQ * sizeof(struct bna_rx);
2845
2846 /* Virtual memory for RxPath - stored by Rx module */
2847 res_info[BNA_RES_MEM_T_RXP_ARRAY].res_type = BNA_RES_T_MEM;
2848 res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mem_type =
2849 BNA_MEM_T_KVA;
2850 res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.num = 1;
2851 res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.len =
2852 BFI_MAX_RXQ * sizeof(struct bna_rxp);
2853
2854 /* Virtual memory for RxQ - stored by Rx module */
2855 res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_type = BNA_RES_T_MEM;
2856 res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mem_type =
2857 BNA_MEM_T_KVA;
2858 res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.num = 1;
2859 res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.len =
2860 BFI_MAX_RXQ * sizeof(struct bna_rxq);
2861
2862 /* Virtual memory for Unicast MAC address - stored by ucam module */
2863 res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_type = BNA_RES_T_MEM;
2864 res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mem_type =
2865 BNA_MEM_T_KVA;
2866 res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.num = 1;
2867 res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.len =
2868 BFI_MAX_UCMAC * sizeof(struct bna_mac);
2869
2870 /* Virtual memory for Multicast MAC address - stored by mcam module */
2871 res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_type = BNA_RES_T_MEM;
2872 res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mem_type =
2873 BNA_MEM_T_KVA;
2874 res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.num = 1;
2875 res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.len =
2876 BFI_MAX_MCMAC * sizeof(struct bna_mac);
2877
2878 /* Virtual memory for RIT entries */
2879 res_info[BNA_RES_MEM_T_RIT_ENTRY].res_type = BNA_RES_T_MEM;
2880 res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.mem_type =
2881 BNA_MEM_T_KVA;
2882 res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.num = 1;
2883 res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.len =
2884 BFI_MAX_RIT_SIZE * sizeof(struct bna_rit_entry);
2885
2886 /* Virtual memory for RIT segment table */
2887 res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_type = BNA_RES_T_MEM;
2888 res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.mem_type =
2889 BNA_MEM_T_KVA;
2890 res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.num = 1;
2891 res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.len =
2892 BFI_RIT_TOTAL_SEGS * sizeof(struct bna_rit_segment);
2893
2894 /* Interrupt resource for mailbox interrupt */
2895 res_info[BNA_RES_INTR_T_MBOX].res_type = BNA_RES_T_INTR;
2896 res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.intr_type =
2897 BNA_INTR_T_MSIX;
2898 res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.num = 1;
2899}
2900
2901/* Called during probe() */
2902void
2903bna_init(struct bna *bna, struct bnad *bnad, struct bfa_pcidev *pcidev,
2904 struct bna_res_info *res_info)
2905{
2906 bna->bnad = bnad;
2907 bna->pcidev = *pcidev;
2908
2909 bna->stats.hw_stats = (struct bfi_ll_stats *)
2910 res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].kva;
2911 bna->hw_stats_dma.msb =
2912 res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.msb;
2913 bna->hw_stats_dma.lsb =
2914 res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.lsb;
2915 bna->stats.sw_stats = (struct bna_sw_stats *)
2916 res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.mdl[0].kva;
2917
2918 bna->regs.page_addr = bna->pcidev.pci_bar_kva +
2919 reg_offset[bna->pcidev.pci_func].page_addr;
2920 bna->regs.fn_int_status = bna->pcidev.pci_bar_kva +
2921 reg_offset[bna->pcidev.pci_func].fn_int_status;
2922 bna->regs.fn_int_mask = bna->pcidev.pci_bar_kva +
2923 reg_offset[bna->pcidev.pci_func].fn_int_mask;
2924
2925 if (bna->pcidev.pci_func < 3)
2926 bna->port_num = 0;
2927 else
2928 bna->port_num = 1;
2929
2930 /* Also initializes diag, cee, sfp, phy_port and mbox_mod */
2931 bna_device_init(&bna->device, bna, res_info);
2932
2933 bna_port_init(&bna->port, bna);
2934
2935 bna_tx_mod_init(&bna->tx_mod, bna, res_info);
2936
2937 bna_rx_mod_init(&bna->rx_mod, bna, res_info);
2938
2939 bna_ib_mod_init(&bna->ib_mod, bna, res_info);
2940
2941 bna_rit_mod_init(&bna->rit_mod, res_info);
2942
2943 bna_ucam_mod_init(&bna->ucam_mod, bna, res_info);
2944
2945 bna_mcam_mod_init(&bna->mcam_mod, bna, res_info);
2946
2947 bna->rxf_promisc_id = BFI_MAX_RXF;
2948
2949 /* Mbox q element for posting stat request to f/w */
2950 bfa_q_qe_init(&bna->mbox_qe.qe);
2951}
2952
2953void
2954bna_uninit(struct bna *bna)
2955{
2956 bna_mcam_mod_uninit(&bna->mcam_mod);
2957
2958 bna_ucam_mod_uninit(&bna->ucam_mod);
2959
2960 bna_ib_mod_uninit(&bna->ib_mod);
2961
2962 bna_rx_mod_uninit(&bna->rx_mod);
2963
2964 bna_tx_mod_uninit(&bna->tx_mod);
2965
2966 bna_port_uninit(&bna->port);
2967
2968 bna_device_uninit(&bna->device);
2969
2970 bna->bnad = NULL;
2971}
2972
2973struct bna_mac *
2974bna_ucam_mod_mac_get(struct bna_ucam_mod *ucam_mod)
2975{
2976 struct list_head *qe;
2977
2978 if (list_empty(&ucam_mod->free_q))
2979 return NULL;
2980
2981 bfa_q_deq(&ucam_mod->free_q, &qe);
2982
2983 return (struct bna_mac *)qe;
2984}
2985
2986void
2987bna_ucam_mod_mac_put(struct bna_ucam_mod *ucam_mod, struct bna_mac *mac)
2988{
2989 list_add_tail(&mac->qe, &ucam_mod->free_q);
2990}
2991
2992struct bna_mac *
2993bna_mcam_mod_mac_get(struct bna_mcam_mod *mcam_mod)
2994{
2995 struct list_head *qe;
2996
2997 if (list_empty(&mcam_mod->free_q))
2998 return NULL;
2999
3000 bfa_q_deq(&mcam_mod->free_q, &qe);
3001
3002 return (struct bna_mac *)qe;
3003}
3004
3005void
3006bna_mcam_mod_mac_put(struct bna_mcam_mod *mcam_mod, struct bna_mac *mac)
3007{
3008 list_add_tail(&mac->qe, &mcam_mod->free_q);
3009}
3010
3011/**
3012 * Note: This should be called in the same locking context as the call to
3013 * bna_rit_mod_seg_get()
3014 */
3015int
3016bna_rit_mod_can_satisfy(struct bna_rit_mod *rit_mod, int seg_size)
3017{
3018 int i;
3019
3020 /* Select the pool for seg_size */
3021 for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) {
3022 if (seg_size <= ritseg_pool_cfg[i].pool_entry_size)
3023 break;
3024 }
3025
3026 if (i == BFI_RIT_SEG_TOTAL_POOLS)
3027 return 0;
3028
3029 if (list_empty(&rit_mod->rit_seg_pool[i]))
3030 return 0;
3031
3032 return 1;
3033}
3034
3035struct bna_rit_segment *
3036bna_rit_mod_seg_get(struct bna_rit_mod *rit_mod, int seg_size)
3037{
3038 struct bna_rit_segment *seg;
3039 struct list_head *qe;
3040 int i;
3041
3042 /* Select the pool for seg_size */
3043 for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) {
3044 if (seg_size <= ritseg_pool_cfg[i].pool_entry_size)
3045 break;
3046 }
3047
3048 if (i == BFI_RIT_SEG_TOTAL_POOLS)
3049 return NULL;
3050
3051 if (list_empty(&rit_mod->rit_seg_pool[i]))
3052 return NULL;
3053
3054 bfa_q_deq(&rit_mod->rit_seg_pool[i], &qe);
3055 seg = (struct bna_rit_segment *)qe;
3056 bfa_q_qe_init(&seg->qe);
3057 seg->rit_size = seg_size;
3058
3059 return seg;
3060}
3061
3062void
3063bna_rit_mod_seg_put(struct bna_rit_mod *rit_mod,
3064 struct bna_rit_segment *seg)
3065{
3066 int i;
3067
3068 /* Select the pool for seg->max_rit_size */
3069 for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) {
3070 if (seg->max_rit_size == ritseg_pool_cfg[i].pool_entry_size)
3071 break;
3072 }
3073
3074 seg->rit_size = 0;
3075 list_add_tail(&seg->qe, &rit_mod->rit_seg_pool[i]);
3076}
diff --git a/drivers/net/ethernet/brocade/bna/bna_hw.h b/drivers/net/ethernet/brocade/bna/bna_hw.h
new file mode 100644
index 000000000000..16a5eed4a03b
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bna_hw.h
@@ -0,0 +1,1492 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19/**
20 * File for interrupt macros and functions
21 */
22
23#ifndef __BNA_HW_H__
24#define __BNA_HW_H__
25
26#include "bfi_reg.h"
27
28/**
29 *
30 * SW imposed limits
31 *
32 */
33
34#ifndef BNA_BIOS_BUILD
35
36#define BFI_MAX_TXQ 64
37#define BFI_MAX_RXQ 64
38#define BFI_MAX_RXF 64
39#define BFI_MAX_IB 128
40#define BFI_MAX_RIT_SIZE 256
41#define BFI_RSS_RIT_SIZE 64
42#define BFI_NONRSS_RIT_SIZE 1
43#define BFI_MAX_UCMAC 256
44#define BFI_MAX_MCMAC 512
45#define BFI_IBIDX_SIZE 4
46#define BFI_MAX_VLAN 4095
47
48/**
49 * There are 2 free IB index pools:
50 * pool1: 120 segments of 1 index each
51 * pool8: 1 segment of 8 indexes
52 */
53#define BFI_IBIDX_POOL1_SIZE 116
54#define BFI_IBIDX_POOL1_ENTRY_SIZE 1
55#define BFI_IBIDX_POOL2_SIZE 2
56#define BFI_IBIDX_POOL2_ENTRY_SIZE 2
57#define BFI_IBIDX_POOL8_SIZE 1
58#define BFI_IBIDX_POOL8_ENTRY_SIZE 8
59#define BFI_IBIDX_TOTAL_POOLS 3
60#define BFI_IBIDX_TOTAL_SEGS 119 /* (POOL1 + POOL2 + POOL8)_SIZE */
61#define BFI_IBIDX_MAX_SEGSIZE 8
62#define init_ibidx_pool(name) \
63static struct bna_ibidx_pool name[BFI_IBIDX_TOTAL_POOLS] = \
64{ \
65 { BFI_IBIDX_POOL1_SIZE, BFI_IBIDX_POOL1_ENTRY_SIZE }, \
66 { BFI_IBIDX_POOL2_SIZE, BFI_IBIDX_POOL2_ENTRY_SIZE }, \
67 { BFI_IBIDX_POOL8_SIZE, BFI_IBIDX_POOL8_ENTRY_SIZE } \
68}
69
70/**
71 * There are 2 free RIT segment pools:
72 * Pool1: 192 segments of 1 RIT entry each
73 * Pool2: 1 segment of 64 RIT entry
74 */
75#define BFI_RIT_SEG_POOL1_SIZE 192
76#define BFI_RIT_SEG_POOL1_ENTRY_SIZE 1
77#define BFI_RIT_SEG_POOLRSS_SIZE 1
78#define BFI_RIT_SEG_POOLRSS_ENTRY_SIZE 64
79#define BFI_RIT_SEG_TOTAL_POOLS 2
80#define BFI_RIT_TOTAL_SEGS 193 /* POOL1_SIZE + POOLRSS_SIZE */
81#define init_ritseg_pool(name) \
82static struct bna_ritseg_pool_cfg name[BFI_RIT_SEG_TOTAL_POOLS] = \
83{ \
84 { BFI_RIT_SEG_POOL1_SIZE, BFI_RIT_SEG_POOL1_ENTRY_SIZE }, \
85 { BFI_RIT_SEG_POOLRSS_SIZE, BFI_RIT_SEG_POOLRSS_ENTRY_SIZE } \
86}
87
88#else /* BNA_BIOS_BUILD */
89
90#define BFI_MAX_TXQ 1
91#define BFI_MAX_RXQ 1
92#define BFI_MAX_RXF 1
93#define BFI_MAX_IB 2
94#define BFI_MAX_RIT_SIZE 2
95#define BFI_RSS_RIT_SIZE 64
96#define BFI_NONRSS_RIT_SIZE 1
97#define BFI_MAX_UCMAC 1
98#define BFI_MAX_MCMAC 8
99#define BFI_IBIDX_SIZE 4
100#define BFI_MAX_VLAN 4095
101/* There is one free pool: 2 segments of 1 index each */
102#define BFI_IBIDX_POOL1_SIZE 2
103#define BFI_IBIDX_POOL1_ENTRY_SIZE 1
104#define BFI_IBIDX_TOTAL_POOLS 1
105#define BFI_IBIDX_TOTAL_SEGS 2 /* POOL1_SIZE */
106#define BFI_IBIDX_MAX_SEGSIZE 1
107#define init_ibidx_pool(name) \
108static struct bna_ibidx_pool name[BFI_IBIDX_TOTAL_POOLS] = \
109{ \
110 { BFI_IBIDX_POOL1_SIZE, BFI_IBIDX_POOL1_ENTRY_SIZE } \
111}
112
113#define BFI_RIT_SEG_POOL1_SIZE 1
114#define BFI_RIT_SEG_POOL1_ENTRY_SIZE 1
115#define BFI_RIT_SEG_TOTAL_POOLS 1
116#define BFI_RIT_TOTAL_SEGS 1 /* POOL1_SIZE */
117#define init_ritseg_pool(name) \
118static struct bna_ritseg_pool_cfg name[BFI_RIT_SEG_TOTAL_POOLS] = \
119{ \
120 { BFI_RIT_SEG_POOL1_SIZE, BFI_RIT_SEG_POOL1_ENTRY_SIZE } \
121}
122
123#endif /* BNA_BIOS_BUILD */
124
125#define BFI_RSS_HASH_KEY_LEN 10
126
127#define BFI_COALESCING_TIMER_UNIT 5 /* 5us */
128#define BFI_MAX_COALESCING_TIMEO 0xFF /* in 5us units */
129#define BFI_MAX_INTERPKT_COUNT 0xFF
130#define BFI_MAX_INTERPKT_TIMEO 0xF /* in 0.5us units */
131#define BFI_TX_COALESCING_TIMEO 20 /* 20 * 5 = 100us */
132#define BFI_TX_INTERPKT_COUNT 32
133#define BFI_RX_COALESCING_TIMEO 12 /* 12 * 5 = 60us */
134#define BFI_RX_INTERPKT_COUNT 6 /* Pkt Cnt = 6 */
135#define BFI_RX_INTERPKT_TIMEO 3 /* 3 * 0.5 = 1.5us */
136
137#define BFI_TXQ_WI_SIZE 64 /* bytes */
138#define BFI_RXQ_WI_SIZE 8 /* bytes */
139#define BFI_CQ_WI_SIZE 16 /* bytes */
140#define BFI_TX_MAX_WRR_QUOTA 0xFFF
141
142#define BFI_TX_MAX_VECTORS_PER_WI 4
143#define BFI_TX_MAX_VECTORS_PER_PKT 0xFF
144#define BFI_TX_MAX_DATA_PER_VECTOR 0xFFFF
145#define BFI_TX_MAX_DATA_PER_PKT 0xFFFFFF
146
147/* Small Q buffer size */
148#define BFI_SMALL_RXBUF_SIZE 128
149
150/* Defined separately since BFA_FLASH_DMA_BUF_SZ is in bfa_flash.c */
151#define BFI_FLASH_DMA_BUF_SZ 0x010000 /* 64K DMA */
152#define BFI_HW_STATS_SIZE 0x4000 /* 16K DMA */
153
154/**
155 *
156 * HW register offsets, macros
157 *
158 */
159
160/* DMA Block Register Host Window Start Address */
161#define DMA_BLK_REG_ADDR 0x00013000
162
163/* DMA Block Internal Registers */
164#define DMA_CTRL_REG0 (DMA_BLK_REG_ADDR + 0x000)
165#define DMA_CTRL_REG1 (DMA_BLK_REG_ADDR + 0x004)
166#define DMA_ERR_INT_STATUS (DMA_BLK_REG_ADDR + 0x008)
167#define DMA_ERR_INT_ENABLE (DMA_BLK_REG_ADDR + 0x00c)
168#define DMA_ERR_INT_STATUS_SET (DMA_BLK_REG_ADDR + 0x010)
169
170/* APP Block Register Address Offset from BAR0 */
171#define APP_BLK_REG_ADDR 0x00014000
172
173/* Host Function Interrupt Mask Registers */
174#define HOSTFN0_INT_MASK (APP_BLK_REG_ADDR + 0x004)
175#define HOSTFN1_INT_MASK (APP_BLK_REG_ADDR + 0x104)
176#define HOSTFN2_INT_MASK (APP_BLK_REG_ADDR + 0x304)
177#define HOSTFN3_INT_MASK (APP_BLK_REG_ADDR + 0x404)
178
179/**
180 * Host Function PCIe Error Registers
181 * Duplicates "Correctable" & "Uncorrectable"
182 * registers in PCIe Config space.
183 */
184#define FN0_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x014)
185#define FN1_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x114)
186#define FN2_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x314)
187#define FN3_PCIE_ERR_REG (APP_BLK_REG_ADDR + 0x414)
188
189/* Host Function Error Type Status Registers */
190#define FN0_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x018)
191#define FN1_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x118)
192#define FN2_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x318)
193#define FN3_ERR_TYPE_STATUS_REG (APP_BLK_REG_ADDR + 0x418)
194
195/* Host Function Error Type Mask Registers */
196#define FN0_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x01c)
197#define FN1_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x11c)
198#define FN2_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x31c)
199#define FN3_ERR_TYPE_MSK_STATUS_REG (APP_BLK_REG_ADDR + 0x41c)
200
201/* Catapult Host Semaphore Status Registers (App block) */
202#define HOST_SEM_STS0_REG (APP_BLK_REG_ADDR + 0x630)
203#define HOST_SEM_STS1_REG (APP_BLK_REG_ADDR + 0x634)
204#define HOST_SEM_STS2_REG (APP_BLK_REG_ADDR + 0x638)
205#define HOST_SEM_STS3_REG (APP_BLK_REG_ADDR + 0x63c)
206#define HOST_SEM_STS4_REG (APP_BLK_REG_ADDR + 0x640)
207#define HOST_SEM_STS5_REG (APP_BLK_REG_ADDR + 0x644)
208#define HOST_SEM_STS6_REG (APP_BLK_REG_ADDR + 0x648)
209#define HOST_SEM_STS7_REG (APP_BLK_REG_ADDR + 0x64c)
210
211/* PCIe Misc Register */
212#define PCIE_MISC_REG (APP_BLK_REG_ADDR + 0x200)
213
214/* Temp Sensor Control Registers */
215#define TEMPSENSE_CNTL_REG (APP_BLK_REG_ADDR + 0x250)
216#define TEMPSENSE_STAT_REG (APP_BLK_REG_ADDR + 0x254)
217
218/* APP Block local error registers */
219#define APP_LOCAL_ERR_STAT (APP_BLK_REG_ADDR + 0x258)
220#define APP_LOCAL_ERR_MSK (APP_BLK_REG_ADDR + 0x25c)
221
222/* PCIe Link Error registers */
223#define PCIE_LNK_ERR_STAT (APP_BLK_REG_ADDR + 0x260)
224#define PCIE_LNK_ERR_MSK (APP_BLK_REG_ADDR + 0x264)
225
226/**
227 * FCoE/FIP Ethertype Register
228 * 31:16 -- Chip wide value for FIP type
229 * 15:0 -- Chip wide value for FCoE type
230 */
231#define FCOE_FIP_ETH_TYPE (APP_BLK_REG_ADDR + 0x280)
232
233/**
234 * Reserved Ethertype Register
235 * 31:16 -- Reserved
236 * 15:0 -- Other ethertype
237 */
238#define RESV_ETH_TYPE (APP_BLK_REG_ADDR + 0x284)
239
240/**
241 * Host Command Status Registers
242 * Each set consists of 3 registers :
243 * clear, set, cmd
244 * 16 such register sets in all
245 * See catapult_spec.pdf for detailed functionality
246 * Put each type in a single macro accessed by _num ?
247 */
248#define HOST_CMDSTS0_CLR_REG (APP_BLK_REG_ADDR + 0x500)
249#define HOST_CMDSTS0_SET_REG (APP_BLK_REG_ADDR + 0x504)
250#define HOST_CMDSTS0_REG (APP_BLK_REG_ADDR + 0x508)
251#define HOST_CMDSTS1_CLR_REG (APP_BLK_REG_ADDR + 0x510)
252#define HOST_CMDSTS1_SET_REG (APP_BLK_REG_ADDR + 0x514)
253#define HOST_CMDSTS1_REG (APP_BLK_REG_ADDR + 0x518)
254#define HOST_CMDSTS2_CLR_REG (APP_BLK_REG_ADDR + 0x520)
255#define HOST_CMDSTS2_SET_REG (APP_BLK_REG_ADDR + 0x524)
256#define HOST_CMDSTS2_REG (APP_BLK_REG_ADDR + 0x528)
257#define HOST_CMDSTS3_CLR_REG (APP_BLK_REG_ADDR + 0x530)
258#define HOST_CMDSTS3_SET_REG (APP_BLK_REG_ADDR + 0x534)
259#define HOST_CMDSTS3_REG (APP_BLK_REG_ADDR + 0x538)
260#define HOST_CMDSTS4_CLR_REG (APP_BLK_REG_ADDR + 0x540)
261#define HOST_CMDSTS4_SET_REG (APP_BLK_REG_ADDR + 0x544)
262#define HOST_CMDSTS4_REG (APP_BLK_REG_ADDR + 0x548)
263#define HOST_CMDSTS5_CLR_REG (APP_BLK_REG_ADDR + 0x550)
264#define HOST_CMDSTS5_SET_REG (APP_BLK_REG_ADDR + 0x554)
265#define HOST_CMDSTS5_REG (APP_BLK_REG_ADDR + 0x558)
266#define HOST_CMDSTS6_CLR_REG (APP_BLK_REG_ADDR + 0x560)
267#define HOST_CMDSTS6_SET_REG (APP_BLK_REG_ADDR + 0x564)
268#define HOST_CMDSTS6_REG (APP_BLK_REG_ADDR + 0x568)
269#define HOST_CMDSTS7_CLR_REG (APP_BLK_REG_ADDR + 0x570)
270#define HOST_CMDSTS7_SET_REG (APP_BLK_REG_ADDR + 0x574)
271#define HOST_CMDSTS7_REG (APP_BLK_REG_ADDR + 0x578)
272#define HOST_CMDSTS8_CLR_REG (APP_BLK_REG_ADDR + 0x580)
273#define HOST_CMDSTS8_SET_REG (APP_BLK_REG_ADDR + 0x584)
274#define HOST_CMDSTS8_REG (APP_BLK_REG_ADDR + 0x588)
275#define HOST_CMDSTS9_CLR_REG (APP_BLK_REG_ADDR + 0x590)
276#define HOST_CMDSTS9_SET_REG (APP_BLK_REG_ADDR + 0x594)
277#define HOST_CMDSTS9_REG (APP_BLK_REG_ADDR + 0x598)
278#define HOST_CMDSTS10_CLR_REG (APP_BLK_REG_ADDR + 0x5A0)
279#define HOST_CMDSTS10_SET_REG (APP_BLK_REG_ADDR + 0x5A4)
280#define HOST_CMDSTS10_REG (APP_BLK_REG_ADDR + 0x5A8)
281#define HOST_CMDSTS11_CLR_REG (APP_BLK_REG_ADDR + 0x5B0)
282#define HOST_CMDSTS11_SET_REG (APP_BLK_REG_ADDR + 0x5B4)
283#define HOST_CMDSTS11_REG (APP_BLK_REG_ADDR + 0x5B8)
284#define HOST_CMDSTS12_CLR_REG (APP_BLK_REG_ADDR + 0x5C0)
285#define HOST_CMDSTS12_SET_REG (APP_BLK_REG_ADDR + 0x5C4)
286#define HOST_CMDSTS12_REG (APP_BLK_REG_ADDR + 0x5C8)
287#define HOST_CMDSTS13_CLR_REG (APP_BLK_REG_ADDR + 0x5D0)
288#define HOST_CMDSTS13_SET_REG (APP_BLK_REG_ADDR + 0x5D4)
289#define HOST_CMDSTS13_REG (APP_BLK_REG_ADDR + 0x5D8)
290#define HOST_CMDSTS14_CLR_REG (APP_BLK_REG_ADDR + 0x5E0)
291#define HOST_CMDSTS14_SET_REG (APP_BLK_REG_ADDR + 0x5E4)
292#define HOST_CMDSTS14_REG (APP_BLK_REG_ADDR + 0x5E8)
293#define HOST_CMDSTS15_CLR_REG (APP_BLK_REG_ADDR + 0x5F0)
294#define HOST_CMDSTS15_SET_REG (APP_BLK_REG_ADDR + 0x5F4)
295#define HOST_CMDSTS15_REG (APP_BLK_REG_ADDR + 0x5F8)
296
297/**
298 * LPU0 Block Register Address Offset from BAR0
299 * Range 0x18000 - 0x18033
300 */
301#define LPU0_BLK_REG_ADDR 0x00018000
302
303/**
304 * LPU0 Registers
305 * Should they be directly used from host,
306 * except for diagnostics ?
307 * CTL_REG : Control register
308 * CMD_REG : Triggers exec. of cmd. in
309 * Mailbox memory
310 */
311#define LPU0_MBOX_CTL_REG (LPU0_BLK_REG_ADDR + 0x000)
312#define LPU0_MBOX_CMD_REG (LPU0_BLK_REG_ADDR + 0x004)
313#define LPU0_MBOX_LINK_0REG (LPU0_BLK_REG_ADDR + 0x008)
314#define LPU1_MBOX_LINK_0REG (LPU0_BLK_REG_ADDR + 0x00c)
315#define LPU0_MBOX_STATUS_0REG (LPU0_BLK_REG_ADDR + 0x010)
316#define LPU1_MBOX_STATUS_0REG (LPU0_BLK_REG_ADDR + 0x014)
317#define LPU0_ERR_STATUS_REG (LPU0_BLK_REG_ADDR + 0x018)
318#define LPU0_ERR_SET_REG (LPU0_BLK_REG_ADDR + 0x020)
319
320/**
321 * LPU1 Block Register Address Offset from BAR0
322 * Range 0x18400 - 0x18433
323 */
324#define LPU1_BLK_REG_ADDR 0x00018400
325
326/**
327 * LPU1 Registers
328 * Same as LPU0 registers above
329 */
330#define LPU1_MBOX_CTL_REG (LPU1_BLK_REG_ADDR + 0x000)
331#define LPU1_MBOX_CMD_REG (LPU1_BLK_REG_ADDR + 0x004)
332#define LPU0_MBOX_LINK_1REG (LPU1_BLK_REG_ADDR + 0x008)
333#define LPU1_MBOX_LINK_1REG (LPU1_BLK_REG_ADDR + 0x00c)
334#define LPU0_MBOX_STATUS_1REG (LPU1_BLK_REG_ADDR + 0x010)
335#define LPU1_MBOX_STATUS_1REG (LPU1_BLK_REG_ADDR + 0x014)
336#define LPU1_ERR_STATUS_REG (LPU1_BLK_REG_ADDR + 0x018)
337#define LPU1_ERR_SET_REG (LPU1_BLK_REG_ADDR + 0x020)
338
339/**
340 * PSS Block Register Address Offset from BAR0
341 * Range 0x18800 - 0x188DB
342 */
343#define PSS_BLK_REG_ADDR 0x00018800
344
345/**
346 * PSS Registers
347 * For details, see catapult_spec.pdf
348 * ERR_STATUS_REG : Indicates error in PSS module
349 * RAM_ERR_STATUS_REG : Indicates RAM module that detected error
350 */
351#define ERR_STATUS_SET (PSS_BLK_REG_ADDR + 0x018)
352#define PSS_RAM_ERR_STATUS_REG (PSS_BLK_REG_ADDR + 0x01C)
353
354/**
355 * PSS Semaphore Lock Registers, total 16
356 * First read when unlocked returns 0,
357 * and is set to 1, atomically.
358 * Subsequent reads returns 1.
359 * To clear set the value to 0.
360 * Range : 0x20 to 0x5c
361 */
362#define PSS_SEM_LOCK_REG(_num) \
363 (PSS_BLK_REG_ADDR + 0x020 + ((_num) << 2))
364
365/**
366 * PSS Semaphore Status Registers,
367 * corresponding to the lock registers above
368 */
369#define PSS_SEM_STATUS_REG(_num) \
370 (PSS_BLK_REG_ADDR + 0x060 + ((_num) << 2))
371
372/**
373 * Catapult CPQ Registers
374 * Defines for Mailbox Registers
375 * Used to send mailbox commands to firmware from
376 * host. The data part is written to the MBox
377 * memory, registers are used to indicate that
378 * a commnad is resident in memory.
379 *
380 * Note : LPU0<->LPU1 mailboxes are not listed here
381 */
382#define CPQ_BLK_REG_ADDR 0x00019000
383
384#define HOSTFN0_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x130)
385#define HOSTFN0_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x134)
386#define LPU0_HOSTFN0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x138)
387#define LPU1_HOSTFN0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x13C)
388
389#define HOSTFN1_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x140)
390#define HOSTFN1_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x144)
391#define LPU0_HOSTFN1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x148)
392#define LPU1_HOSTFN1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x14C)
393
394#define HOSTFN2_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x170)
395#define HOSTFN2_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x174)
396#define LPU0_HOSTFN2_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x178)
397#define LPU1_HOSTFN2_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x17C)
398
399#define HOSTFN3_LPU0_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x180)
400#define HOSTFN3_LPU1_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x184)
401#define LPU0_HOSTFN3_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x188)
402#define LPU1_HOSTFN3_MBOX1_CMD_STAT (CPQ_BLK_REG_ADDR + 0x18C)
403
404/* Host Function Force Parity Error Registers */
405#define HOSTFN0_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x120)
406#define HOSTFN1_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x124)
407#define HOSTFN2_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x128)
408#define HOSTFN3_LPU_FORCE_PERR (CPQ_BLK_REG_ADDR + 0x12C)
409
410/* LL Port[0|1] Halt Mask Registers */
411#define LL_HALT_MSK_P0 (CPQ_BLK_REG_ADDR + 0x1A0)
412#define LL_HALT_MSK_P1 (CPQ_BLK_REG_ADDR + 0x1B0)
413
414/* LL Port[0|1] Error Mask Registers */
415#define LL_ERR_MSK_P0 (CPQ_BLK_REG_ADDR + 0x1D0)
416#define LL_ERR_MSK_P1 (CPQ_BLK_REG_ADDR + 0x1D4)
417
418/* EMC FLI (Flash Controller) Block Register Address Offset from BAR0 */
419#define FLI_BLK_REG_ADDR 0x0001D000
420
421/* EMC FLI Registers */
422#define FLI_CMD_REG (FLI_BLK_REG_ADDR + 0x000)
423#define FLI_ADDR_REG (FLI_BLK_REG_ADDR + 0x004)
424#define FLI_CTL_REG (FLI_BLK_REG_ADDR + 0x008)
425#define FLI_WRDATA_REG (FLI_BLK_REG_ADDR + 0x00C)
426#define FLI_RDDATA_REG (FLI_BLK_REG_ADDR + 0x010)
427#define FLI_DEV_STATUS_REG (FLI_BLK_REG_ADDR + 0x014)
428#define FLI_SIG_WD_REG (FLI_BLK_REG_ADDR + 0x018)
429
430/**
431 * RO register
432 * 31:16 -- Vendor Id
433 * 15:0 -- Device Id
434 */
435#define FLI_DEV_VENDOR_REG (FLI_BLK_REG_ADDR + 0x01C)
436#define FLI_ERR_STATUS_REG (FLI_BLK_REG_ADDR + 0x020)
437
438/**
439 * RAD (RxAdm) Block Register Address Offset from BAR0
440 * RAD0 Range : 0x20000 - 0x203FF
441 * RAD1 Range : 0x20400 - 0x207FF
442 */
443#define RAD0_BLK_REG_ADDR 0x00020000
444#define RAD1_BLK_REG_ADDR 0x00020400
445
446/* RAD0 Registers */
447#define RAD0_CTL_REG (RAD0_BLK_REG_ADDR + 0x000)
448#define RAD0_PE_PARM_REG (RAD0_BLK_REG_ADDR + 0x004)
449#define RAD0_BCN_REG (RAD0_BLK_REG_ADDR + 0x008)
450
451/* Default function ID register */
452#define RAD0_DEFAULT_REG (RAD0_BLK_REG_ADDR + 0x00C)
453
454/* Default promiscuous ID register */
455#define RAD0_PROMISC_REG (RAD0_BLK_REG_ADDR + 0x010)
456
457#define RAD0_BCNQ_REG (RAD0_BLK_REG_ADDR + 0x014)
458
459/*
460 * This register selects 1 of 8 PM Q's using
461 * VLAN pri, for non-BCN packets without a VLAN tag
462 */
463#define RAD0_DEFAULTQ_REG (RAD0_BLK_REG_ADDR + 0x018)
464
465#define RAD0_ERR_STS (RAD0_BLK_REG_ADDR + 0x01C)
466#define RAD0_SET_ERR_STS (RAD0_BLK_REG_ADDR + 0x020)
467#define RAD0_ERR_INT_EN (RAD0_BLK_REG_ADDR + 0x024)
468#define RAD0_FIRST_ERR (RAD0_BLK_REG_ADDR + 0x028)
469#define RAD0_FORCE_ERR (RAD0_BLK_REG_ADDR + 0x02C)
470
471#define RAD0_IF_RCVD (RAD0_BLK_REG_ADDR + 0x030)
472#define RAD0_IF_RCVD_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x034)
473#define RAD0_IF_RCVD_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x038)
474#define RAD0_IF_RCVD_VLAN (RAD0_BLK_REG_ADDR + 0x03C)
475#define RAD0_IF_RCVD_UCAST (RAD0_BLK_REG_ADDR + 0x040)
476#define RAD0_IF_RCVD_UCAST_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x044)
477#define RAD0_IF_RCVD_UCAST_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x048)
478#define RAD0_IF_RCVD_UCAST_VLAN (RAD0_BLK_REG_ADDR + 0x04C)
479#define RAD0_IF_RCVD_MCAST (RAD0_BLK_REG_ADDR + 0x050)
480#define RAD0_IF_RCVD_MCAST_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x054)
481#define RAD0_IF_RCVD_MCAST_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x058)
482#define RAD0_IF_RCVD_MCAST_VLAN (RAD0_BLK_REG_ADDR + 0x05C)
483#define RAD0_IF_RCVD_BCAST (RAD0_BLK_REG_ADDR + 0x060)
484#define RAD0_IF_RCVD_BCAST_OCTETS_HIGH (RAD0_BLK_REG_ADDR + 0x064)
485#define RAD0_IF_RCVD_BCAST_OCTETS_LOW (RAD0_BLK_REG_ADDR + 0x068)
486#define RAD0_IF_RCVD_BCAST_VLAN (RAD0_BLK_REG_ADDR + 0x06C)
487#define RAD0_DROPPED_FRAMES (RAD0_BLK_REG_ADDR + 0x070)
488
489#define RAD0_MAC_MAN_1H (RAD0_BLK_REG_ADDR + 0x080)
490#define RAD0_MAC_MAN_1L (RAD0_BLK_REG_ADDR + 0x084)
491#define RAD0_MAC_MAN_2H (RAD0_BLK_REG_ADDR + 0x088)
492#define RAD0_MAC_MAN_2L (RAD0_BLK_REG_ADDR + 0x08C)
493#define RAD0_MAC_MAN_3H (RAD0_BLK_REG_ADDR + 0x090)
494#define RAD0_MAC_MAN_3L (RAD0_BLK_REG_ADDR + 0x094)
495#define RAD0_MAC_MAN_4H (RAD0_BLK_REG_ADDR + 0x098)
496#define RAD0_MAC_MAN_4L (RAD0_BLK_REG_ADDR + 0x09C)
497
498#define RAD0_LAST4_IP (RAD0_BLK_REG_ADDR + 0x100)
499
500/* RAD1 Registers */
501#define RAD1_CTL_REG (RAD1_BLK_REG_ADDR + 0x000)
502#define RAD1_PE_PARM_REG (RAD1_BLK_REG_ADDR + 0x004)
503#define RAD1_BCN_REG (RAD1_BLK_REG_ADDR + 0x008)
504
505/* Default function ID register */
506#define RAD1_DEFAULT_REG (RAD1_BLK_REG_ADDR + 0x00C)
507
508/* Promiscuous function ID register */
509#define RAD1_PROMISC_REG (RAD1_BLK_REG_ADDR + 0x010)
510
511#define RAD1_BCNQ_REG (RAD1_BLK_REG_ADDR + 0x014)
512
513/*
514 * This register selects 1 of 8 PM Q's using
515 * VLAN pri, for non-BCN packets without a VLAN tag
516 */
517#define RAD1_DEFAULTQ_REG (RAD1_BLK_REG_ADDR + 0x018)
518
519#define RAD1_ERR_STS (RAD1_BLK_REG_ADDR + 0x01C)
520#define RAD1_SET_ERR_STS (RAD1_BLK_REG_ADDR + 0x020)
521#define RAD1_ERR_INT_EN (RAD1_BLK_REG_ADDR + 0x024)
522
523/**
524 * TXA Block Register Address Offset from BAR0
525 * TXA0 Range : 0x21000 - 0x213FF
526 * TXA1 Range : 0x21400 - 0x217FF
527 */
528#define TXA0_BLK_REG_ADDR 0x00021000
529#define TXA1_BLK_REG_ADDR 0x00021400
530
531/* TXA Registers */
532#define TXA0_CTRL_REG (TXA0_BLK_REG_ADDR + 0x000)
533#define TXA1_CTRL_REG (TXA1_BLK_REG_ADDR + 0x000)
534
535/**
536 * TSO Sequence # Registers (RO)
537 * Total 8 (for 8 queues)
538 * Holds the last seq.# for TSO frames
539 * See catapult_spec.pdf for more details
540 */
541#define TXA0_TSO_TCP_SEQ_REG(_num) \
542 (TXA0_BLK_REG_ADDR + 0x020 + ((_num) << 2))
543
544#define TXA1_TSO_TCP_SEQ_REG(_num) \
545 (TXA1_BLK_REG_ADDR + 0x020 + ((_num) << 2))
546
547/**
548 * TSO IP ID # Registers (RO)
549 * Total 8 (for 8 queues)
550 * Holds the last IP ID for TSO frames
551 * See catapult_spec.pdf for more details
552 */
553#define TXA0_TSO_IP_INFO_REG(_num) \
554 (TXA0_BLK_REG_ADDR + 0x040 + ((_num) << 2))
555
556#define TXA1_TSO_IP_INFO_REG(_num) \
557 (TXA1_BLK_REG_ADDR + 0x040 + ((_num) << 2))
558
559/**
560 * RXA Block Register Address Offset from BAR0
561 * RXA0 Range : 0x21800 - 0x21BFF
562 * RXA1 Range : 0x21C00 - 0x21FFF
563 */
564#define RXA0_BLK_REG_ADDR 0x00021800
565#define RXA1_BLK_REG_ADDR 0x00021C00
566
567/* RXA Registers */
568#define RXA0_CTL_REG (RXA0_BLK_REG_ADDR + 0x040)
569#define RXA1_CTL_REG (RXA1_BLK_REG_ADDR + 0x040)
570
571/**
572 * PPLB Block Register Address Offset from BAR0
573 * PPLB0 Range : 0x22000 - 0x223FF
574 * PPLB1 Range : 0x22400 - 0x227FF
575 */
576#define PLB0_BLK_REG_ADDR 0x00022000
577#define PLB1_BLK_REG_ADDR 0x00022400
578
579/**
580 * PLB Registers
581 * Holds RL timer used time stamps in RLT tagged frames
582 */
583#define PLB0_ECM_TIMER_REG (PLB0_BLK_REG_ADDR + 0x05C)
584#define PLB1_ECM_TIMER_REG (PLB1_BLK_REG_ADDR + 0x05C)
585
586/* Controls the rate-limiter on each of the priority class */
587#define PLB0_RL_CTL (PLB0_BLK_REG_ADDR + 0x060)
588#define PLB1_RL_CTL (PLB1_BLK_REG_ADDR + 0x060)
589
590/**
591 * Max byte register, total 8, 0-7
592 * see catapult_spec.pdf for details
593 */
594#define PLB0_RL_MAX_BC(_num) \
595 (PLB0_BLK_REG_ADDR + 0x064 + ((_num) << 2))
596#define PLB1_RL_MAX_BC(_num) \
597 (PLB1_BLK_REG_ADDR + 0x064 + ((_num) << 2))
598
599/**
600 * RL Time Unit Register for priority 0-7
601 * 4 bits per priority
602 * (2^rl_unit)*1us is the actual time period
603 */
604#define PLB0_RL_TU_PRIO (PLB0_BLK_REG_ADDR + 0x084)
605#define PLB1_RL_TU_PRIO (PLB1_BLK_REG_ADDR + 0x084)
606
607/**
608 * RL byte count register,
609 * bytes transmitted in (rl_unit*1)us time period
610 * 1 per priority, 8 in all, 0-7.
611 */
612#define PLB0_RL_BYTE_CNT(_num) \
613 (PLB0_BLK_REG_ADDR + 0x088 + ((_num) << 2))
614#define PLB1_RL_BYTE_CNT(_num) \
615 (PLB1_BLK_REG_ADDR + 0x088 + ((_num) << 2))
616
617/**
618 * RL Min factor register
619 * 2 bits per priority,
620 * 4 factors possible: 1, 0.5, 0.25, 0
621 * 2'b00 - 0; 2'b01 - 0.25; 2'b10 - 0.5; 2'b11 - 1
622 */
623#define PLB0_RL_MIN_REG (PLB0_BLK_REG_ADDR + 0x0A8)
624#define PLB1_RL_MIN_REG (PLB1_BLK_REG_ADDR + 0x0A8)
625
626/**
627 * RL Max factor register
628 * 2 bits per priority,
629 * 4 factors possible: 1, 0.5, 0.25, 0
630 * 2'b00 - 0; 2'b01 - 0.25; 2'b10 - 0.5; 2'b11 - 1
631 */
632#define PLB0_RL_MAX_REG (PLB0_BLK_REG_ADDR + 0x0AC)
633#define PLB1_RL_MAX_REG (PLB1_BLK_REG_ADDR + 0x0AC)
634
635/* MAC SERDES Address Paging register */
636#define PLB0_EMS_ADD_REG (PLB0_BLK_REG_ADDR + 0xD0)
637#define PLB1_EMS_ADD_REG (PLB1_BLK_REG_ADDR + 0xD0)
638
639/* LL EMS Registers */
640#define LL_EMS0_BLK_REG_ADDR 0x00026800
641#define LL_EMS1_BLK_REG_ADDR 0x00026C00
642
643/**
644 * BPC Block Register Address Offset from BAR0
645 * BPC0 Range : 0x23000 - 0x233FF
646 * BPC1 Range : 0x23400 - 0x237FF
647 */
648#define BPC0_BLK_REG_ADDR 0x00023000
649#define BPC1_BLK_REG_ADDR 0x00023400
650
651/**
652 * PMM Block Register Address Offset from BAR0
653 * PMM0 Range : 0x23800 - 0x23BFF
654 * PMM1 Range : 0x23C00 - 0x23FFF
655 */
656#define PMM0_BLK_REG_ADDR 0x00023800
657#define PMM1_BLK_REG_ADDR 0x00023C00
658
659/**
660 * HQM Block Register Address Offset from BAR0
661 * HQM0 Range : 0x24000 - 0x243FF
662 * HQM1 Range : 0x24400 - 0x247FF
663 */
664#define HQM0_BLK_REG_ADDR 0x00024000
665#define HQM1_BLK_REG_ADDR 0x00024400
666
667/**
668 * HQM Control Register
669 * Controls some aspects of IB
670 * See catapult_spec.pdf for details
671 */
672#define HQM0_CTL_REG (HQM0_BLK_REG_ADDR + 0x000)
673#define HQM1_CTL_REG (HQM1_BLK_REG_ADDR + 0x000)
674
675/**
676 * HQM Stop Q Semaphore Registers.
677 * Only one Queue resource can be stopped at
678 * any given time. This register controls access
679 * to the single stop Q resource.
680 * See catapult_spec.pdf for details
681 */
682#define HQM0_RXQ_STOP_SEM (HQM0_BLK_REG_ADDR + 0x028)
683#define HQM0_TXQ_STOP_SEM (HQM0_BLK_REG_ADDR + 0x02C)
684#define HQM1_RXQ_STOP_SEM (HQM1_BLK_REG_ADDR + 0x028)
685#define HQM1_TXQ_STOP_SEM (HQM1_BLK_REG_ADDR + 0x02C)
686
687/**
688 * LUT Block Register Address Offset from BAR0
689 * LUT0 Range : 0x25800 - 0x25BFF
690 * LUT1 Range : 0x25C00 - 0x25FFF
691 */
692#define LUT0_BLK_REG_ADDR 0x00025800
693#define LUT1_BLK_REG_ADDR 0x00025C00
694
695/**
696 * LUT Registers
697 * See catapult_spec.pdf for details
698 */
699#define LUT0_ERR_STS (LUT0_BLK_REG_ADDR + 0x000)
700#define LUT1_ERR_STS (LUT1_BLK_REG_ADDR + 0x000)
701#define LUT0_SET_ERR_STS (LUT0_BLK_REG_ADDR + 0x004)
702#define LUT1_SET_ERR_STS (LUT1_BLK_REG_ADDR + 0x004)
703
704/**
705 * TRC (Debug/Trace) Register Offset from BAR0
706 * Range : 0x26000 -- 0x263FFF
707 */
708#define TRC_BLK_REG_ADDR 0x00026000
709
710/**
711 * TRC Registers
712 * See catapult_spec.pdf for details of each
713 */
714#define TRC_CTL_REG (TRC_BLK_REG_ADDR + 0x000)
715#define TRC_MODS_REG (TRC_BLK_REG_ADDR + 0x004)
716#define TRC_TRGC_REG (TRC_BLK_REG_ADDR + 0x008)
717#define TRC_CNT1_REG (TRC_BLK_REG_ADDR + 0x010)
718#define TRC_CNT2_REG (TRC_BLK_REG_ADDR + 0x014)
719#define TRC_NXTS_REG (TRC_BLK_REG_ADDR + 0x018)
720#define TRC_DIRR_REG (TRC_BLK_REG_ADDR + 0x01C)
721
722/**
723 * TRC Trigger match filters, total 10
724 * Determines the trigger condition
725 */
726#define TRC_TRGM_REG(_num) \
727 (TRC_BLK_REG_ADDR + 0x040 + ((_num) << 2))
728
729/**
730 * TRC Next State filters, total 10
731 * Determines the next state conditions
732 */
733#define TRC_NXTM_REG(_num) \
734 (TRC_BLK_REG_ADDR + 0x080 + ((_num) << 2))
735
736/**
737 * TRC Store Match filters, total 10
738 * Determines the store conditions
739 */
740#define TRC_STRM_REG(_num) \
741 (TRC_BLK_REG_ADDR + 0x0C0 + ((_num) << 2))
742
743/* DOORBELLS ACCESS */
744
745/**
746 * Catapult doorbells
747 * Each doorbell-queue set has
748 * 1 RxQ, 1 TxQ, 2 IBs in that order
749 * Size of each entry in 32 bytes, even though only 1 word
750 * is used. For Non-VM case each doorbell-q set is
751 * separated by 128 bytes, for VM case it is separated
752 * by 4K bytes
753 * Non VM case Range : 0x38000 - 0x39FFF
754 * VM case Range : 0x100000 - 0x11FFFF
755 * The range applies to both HQMs
756 */
757#define HQM_DOORBELL_BLK_BASE_ADDR 0x00038000
758#define HQM_DOORBELL_VM_BLK_BASE_ADDR 0x00100000
759
760/* MEMORY ACCESS */
761
762/**
763 * Catapult H/W Block Memory Access Address
764 * To the host a memory space of 32K (page) is visible
765 * at a time. The address range is from 0x08000 to 0x0FFFF
766 */
767#define HW_BLK_HOST_MEM_ADDR 0x08000
768
769/**
770 * Catapult LUT Memory Access Page Numbers
771 * Range : LUT0 0xa0-0xa1
772 * LUT1 0xa2-0xa3
773 */
774#define LUT0_MEM_BLK_BASE_PG_NUM 0x000000A0
775#define LUT1_MEM_BLK_BASE_PG_NUM 0x000000A2
776
777/**
778 * Catapult RxFn Database Memory Block Base Offset
779 *
780 * The Rx function database exists in LUT block.
781 * In PCIe space this is accessible as a 256x32
782 * bit block. Each entry in this database is 4
783 * (4 byte) words. Max. entries is 64.
784 * Address of an entry corresponding to a function
785 * = base_addr + (function_no. * 16)
786 */
787#define RX_FNDB_RAM_BASE_OFFSET 0x0000B400
788
789/**
790 * Catapult TxFn Database Memory Block Base Offset Address
791 *
792 * The Tx function database exists in LUT block.
793 * In PCIe space this is accessible as a 64x32
794 * bit block. Each entry in this database is 1
795 * (4 byte) word. Max. entries is 64.
796 * Address of an entry corresponding to a function
797 * = base_addr + (function_no. * 4)
798 */
799#define TX_FNDB_RAM_BASE_OFFSET 0x0000B800
800
801/**
802 * Catapult Unicast CAM Base Offset Address
803 *
804 * Exists in LUT memory space.
805 * Shared by both the LL & FCoE driver.
806 * Size is 256x48 bits; mapped to PCIe space
807 * 512x32 bit blocks. For each address, bits
808 * are written in the order : [47:32] and then
809 * [31:0].
810 */
811#define UCAST_CAM_BASE_OFFSET 0x0000A800
812
813/**
814 * Catapult Unicast RAM Base Offset Address
815 *
816 * Exists in LUT memory space.
817 * Shared by both the LL & FCoE driver.
818 * Size is 256x9 bits.
819 */
820#define UCAST_RAM_BASE_OFFSET 0x0000B000
821
822/**
823 * Catapult Mulicast CAM Base Offset Address
824 *
825 * Exists in LUT memory space.
826 * Shared by both the LL & FCoE driver.
827 * Size is 256x48 bits; mapped to PCIe space
828 * 512x32 bit blocks. For each address, bits
829 * are written in the order : [47:32] and then
830 * [31:0].
831 */
832#define MCAST_CAM_BASE_OFFSET 0x0000A000
833
834/**
835 * Catapult VLAN RAM Base Offset Address
836 *
837 * Exists in LUT memory space.
838 * Size is 4096x66 bits; mapped to PCIe space as
839 * 8192x32 bit blocks.
840 * All the 4K entries are within the address range
841 * 0x0000 to 0x8000, so in the first LUT page.
842 */
843#define VLAN_RAM_BASE_OFFSET 0x00000000
844
845/**
846 * Catapult Tx Stats RAM Base Offset Address
847 *
848 * Exists in LUT memory space.
849 * Size is 1024x33 bits;
850 * Each Tx function has 64 bytes of space
851 */
852#define TX_STATS_RAM_BASE_OFFSET 0x00009000
853
854/**
855 * Catapult Rx Stats RAM Base Offset Address
856 *
857 * Exists in LUT memory space.
858 * Size is 1024x33 bits;
859 * Each Rx function has 64 bytes of space
860 */
861#define RX_STATS_RAM_BASE_OFFSET 0x00008000
862
863/* Catapult RXA Memory Access Page Numbers */
864#define RXA0_MEM_BLK_BASE_PG_NUM 0x0000008C
865#define RXA1_MEM_BLK_BASE_PG_NUM 0x0000008D
866
867/**
868 * Catapult Multicast Vector Table Base Offset Address
869 *
870 * Exists in RxA memory space.
871 * Organized as 512x65 bit block.
872 * However for each entry 16 bytes allocated (power of 2)
873 * Total size 512*16 bytes.
874 * There are two logical divisions, 256 entries each :
875 * a) Entries 0x00 to 0xff (256) -- Approx. MVT
876 * Offset 0x000 to 0xFFF
877 * b) Entries 0x100 to 0x1ff (256) -- Exact MVT
878 * Offsets 0x1000 to 0x1FFF
879 */
880#define MCAST_APPROX_MVT_BASE_OFFSET 0x00000000
881#define MCAST_EXACT_MVT_BASE_OFFSET 0x00001000
882
883/**
884 * Catapult RxQ Translate Table (RIT) Base Offset Address
885 *
886 * Exists in RxA memory space
887 * Total no. of entries 64
888 * Each entry is 1 (4 byte) word.
889 * 31:12 -- Reserved
890 * 11:0 -- Two 6 bit RxQ Ids
891 */
892#define FUNCTION_TO_RXQ_TRANSLATE 0x00002000
893
894/* Catapult RxAdm (RAD) Memory Access Page Numbers */
895#define RAD0_MEM_BLK_BASE_PG_NUM 0x00000086
896#define RAD1_MEM_BLK_BASE_PG_NUM 0x00000087
897
898/**
899 * Catapult RSS Table Base Offset Address
900 *
901 * Exists in RAD memory space.
902 * Each entry is 352 bits, but aligned on
903 * 64 byte (512 bit) boundary. Accessed
904 * 4 byte words, the whole entry can be
905 * broken into 11 word accesses.
906 */
907#define RSS_TABLE_BASE_OFFSET 0x00000800
908
909/**
910 * Catapult CPQ Block Page Number
911 * This value is written to the page number registers
912 * to access the memory associated with the mailboxes.
913 */
914#define CPQ_BLK_PG_NUM 0x00000005
915
916/**
917 * Clarification :
918 * LL functions are 2 & 3; can HostFn0/HostFn1
919 * <-> LPU0/LPU1 memories be used ?
920 */
921/**
922 * Catapult HostFn0/HostFn1 to LPU0/LPU1 Mbox memory
923 * Per catapult_spec.pdf, the offset of the mbox
924 * memory is in the register space at an offset of 0x200
925 */
926#define CPQ_BLK_REG_MBOX_ADDR (CPQ_BLK_REG_ADDR + 0x200)
927
928#define HOSTFN_LPU_MBOX (CPQ_BLK_REG_MBOX_ADDR + 0x000)
929
930/* Catapult LPU0/LPU1 to HostFn0/HostFn1 Mbox memory */
931#define LPU_HOSTFN_MBOX (CPQ_BLK_REG_MBOX_ADDR + 0x080)
932
933/**
934 * Catapult HQM Block Page Number
935 * This is written to the page number register for
936 * the appropriate function to access the memory
937 * associated with HQM
938 */
939#define HQM0_BLK_PG_NUM 0x00000096
940#define HQM1_BLK_PG_NUM 0x00000097
941
942/**
943 * Note that TxQ and RxQ entries are interlaced
944 * the HQM memory, i.e RXQ0, TXQ0, RXQ1, TXQ1.. etc.
945 */
946
947#define HQM_RXTX_Q_RAM_BASE_OFFSET 0x00004000
948
949/**
950 * CQ Memory
951 * Exists in HQM Memory space
952 * Each entry is 16 (4 byte) words of which
953 * only 12 words are used for configuration
954 * Total 64 entries per HQM memory space
955 */
956#define HQM_CQ_RAM_BASE_OFFSET 0x00006000
957
958/**
959 * Interrupt Block (IB) Memory
960 * Exists in HQM Memory space
961 * Each entry is 8 (4 byte) words of which
962 * only 5 words are used for configuration
963 * Total 128 entries per HQM memory space
964 */
965#define HQM_IB_RAM_BASE_OFFSET 0x00001000
966
967/**
968 * Index Table (IT) Memory
969 * Exists in HQM Memory space
970 * Each entry is 1 (4 byte) word which
971 * is used for configuration
972 * Total 128 entries per HQM memory space
973 */
974#define HQM_INDX_TBL_RAM_BASE_OFFSET 0x00002000
975
976/**
977 * PSS Block Memory Page Number
978 * This is written to the appropriate page number
979 * register to access the CPU memory.
980 * Also known as the PSS secondary memory (SMEM).
981 * Range : 0x180 to 0x1CF
982 * See catapult_spec.pdf for details
983 */
984#define PSS_BLK_PG_NUM 0x00000180
985
986/**
987 * Offsets of different instances of PSS SMEM
988 * 2.5M of continuous 1T memory space : 2 blocks
989 * of 1M each (32 pages each, page=32KB) and 4 smaller
990 * blocks of 128K each (4 pages each, page=32KB)
991 * PSS_LMEM_INST0 is used for firmware download
992 */
993#define PSS_LMEM_INST0 0x00000000
994#define PSS_LMEM_INST1 0x00100000
995#define PSS_LMEM_INST2 0x00200000
996#define PSS_LMEM_INST3 0x00220000
997#define PSS_LMEM_INST4 0x00240000
998#define PSS_LMEM_INST5 0x00260000
999
1000#define BNA_PCI_REG_CT_ADDRSZ (0x40000)
1001
1002#define BNA_GET_PAGE_NUM(_base_page, _offset) \
1003 ((_base_page) + ((_offset) >> 15))
1004
1005#define BNA_GET_PAGE_OFFSET(_offset) \
1006 ((_offset) & 0x7fff)
1007
1008#define BNA_GET_MEM_BASE_ADDR(_bar0, _base_offset) \
1009 ((_bar0) + HW_BLK_HOST_MEM_ADDR \
1010 + BNA_GET_PAGE_OFFSET((_base_offset)))
1011
1012#define BNA_GET_VLAN_MEM_ENTRY_ADDR(_bar0, _fn_id, _vlan_id)\
1013 (_bar0 + (HW_BLK_HOST_MEM_ADDR) \
1014 + (BNA_GET_PAGE_OFFSET(VLAN_RAM_BASE_OFFSET)) \
1015 + (((_fn_id) & 0x3f) << 9) \
1016 + (((_vlan_id) & 0xfe0) >> 3))
1017
1018/**
1019 *
1020 * Interrupt related bits, flags and macros
1021 *
1022 */
1023
1024#define __LPU02HOST_MBOX0_STATUS_BITS 0x00100000
1025#define __LPU12HOST_MBOX0_STATUS_BITS 0x00200000
1026#define __LPU02HOST_MBOX1_STATUS_BITS 0x00400000
1027#define __LPU12HOST_MBOX1_STATUS_BITS 0x00800000
1028
1029#define __LPU02HOST_MBOX0_MASK_BITS 0x00100000
1030#define __LPU12HOST_MBOX0_MASK_BITS 0x00200000
1031#define __LPU02HOST_MBOX1_MASK_BITS 0x00400000
1032#define __LPU12HOST_MBOX1_MASK_BITS 0x00800000
1033
1034#define __LPU2HOST_MBOX_MASK_BITS \
1035 (__LPU02HOST_MBOX0_MASK_BITS | __LPU02HOST_MBOX1_MASK_BITS | \
1036 __LPU12HOST_MBOX0_MASK_BITS | __LPU12HOST_MBOX1_MASK_BITS)
1037
1038#define __LPU2HOST_IB_STATUS_BITS 0x0000ffff
1039
1040#define BNA_IS_LPU0_MBOX_INTR(_intr_status) \
1041 ((_intr_status) & (__LPU02HOST_MBOX0_STATUS_BITS | \
1042 __LPU02HOST_MBOX1_STATUS_BITS))
1043
1044#define BNA_IS_LPU1_MBOX_INTR(_intr_status) \
1045 ((_intr_status) & (__LPU12HOST_MBOX0_STATUS_BITS | \
1046 __LPU12HOST_MBOX1_STATUS_BITS))
1047
1048#define BNA_IS_MBOX_INTR(_intr_status) \
1049 ((_intr_status) & \
1050 (__LPU02HOST_MBOX0_STATUS_BITS | \
1051 __LPU02HOST_MBOX1_STATUS_BITS | \
1052 __LPU12HOST_MBOX0_STATUS_BITS | \
1053 __LPU12HOST_MBOX1_STATUS_BITS))
1054
1055#define __EMC_ERROR_STATUS_BITS 0x00010000
1056#define __LPU0_ERROR_STATUS_BITS 0x00020000
1057#define __LPU1_ERROR_STATUS_BITS 0x00040000
1058#define __PSS_ERROR_STATUS_BITS 0x00080000
1059
1060#define __HALT_STATUS_BITS 0x01000000
1061
1062#define __EMC_ERROR_MASK_BITS 0x00010000
1063#define __LPU0_ERROR_MASK_BITS 0x00020000
1064#define __LPU1_ERROR_MASK_BITS 0x00040000
1065#define __PSS_ERROR_MASK_BITS 0x00080000
1066
1067#define __HALT_MASK_BITS 0x01000000
1068
1069#define __ERROR_MASK_BITS \
1070 (__EMC_ERROR_MASK_BITS | __LPU0_ERROR_MASK_BITS | \
1071 __LPU1_ERROR_MASK_BITS | __PSS_ERROR_MASK_BITS | \
1072 __HALT_MASK_BITS)
1073
1074#define BNA_IS_ERR_INTR(_intr_status) \
1075 ((_intr_status) & \
1076 (__EMC_ERROR_STATUS_BITS | \
1077 __LPU0_ERROR_STATUS_BITS | \
1078 __LPU1_ERROR_STATUS_BITS | \
1079 __PSS_ERROR_STATUS_BITS | \
1080 __HALT_STATUS_BITS))
1081
1082#define BNA_IS_MBOX_ERR_INTR(_intr_status) \
1083 (BNA_IS_MBOX_INTR((_intr_status)) | \
1084 BNA_IS_ERR_INTR((_intr_status)))
1085
1086#define BNA_IS_INTX_DATA_INTR(_intr_status) \
1087 ((_intr_status) & __LPU2HOST_IB_STATUS_BITS)
1088
1089#define BNA_INTR_STATUS_MBOX_CLR(_intr_status) \
1090do { \
1091 (_intr_status) &= ~(__LPU02HOST_MBOX0_STATUS_BITS | \
1092 __LPU02HOST_MBOX1_STATUS_BITS | \
1093 __LPU12HOST_MBOX0_STATUS_BITS | \
1094 __LPU12HOST_MBOX1_STATUS_BITS); \
1095} while (0)
1096
1097#define BNA_INTR_STATUS_ERR_CLR(_intr_status) \
1098do { \
1099 (_intr_status) &= ~(__EMC_ERROR_STATUS_BITS | \
1100 __LPU0_ERROR_STATUS_BITS | \
1101 __LPU1_ERROR_STATUS_BITS | \
1102 __PSS_ERROR_STATUS_BITS | \
1103 __HALT_STATUS_BITS); \
1104} while (0)
1105
1106#define bna_intx_disable(_bna, _cur_mask) \
1107{ \
1108 (_cur_mask) = readl((_bna)->regs.fn_int_mask);\
1109 writel(0xffffffff, (_bna)->regs.fn_int_mask);\
1110}
1111
1112#define bna_intx_enable(bna, new_mask) \
1113 writel((new_mask), (bna)->regs.fn_int_mask)
1114
1115#define bna_mbox_intr_disable(bna) \
1116 writel((readl((bna)->regs.fn_int_mask) | \
1117 (__LPU2HOST_MBOX_MASK_BITS | __ERROR_MASK_BITS)), \
1118 (bna)->regs.fn_int_mask)
1119
1120#define bna_mbox_intr_enable(bna) \
1121 writel((readl((bna)->regs.fn_int_mask) & \
1122 ~(__LPU2HOST_MBOX_MASK_BITS | __ERROR_MASK_BITS)), \
1123 (bna)->regs.fn_int_mask)
1124
1125#define bna_intr_status_get(_bna, _status) \
1126{ \
1127 (_status) = readl((_bna)->regs.fn_int_status); \
1128 if ((_status)) { \
1129 writel((_status) & ~(__LPU02HOST_MBOX0_STATUS_BITS |\
1130 __LPU02HOST_MBOX1_STATUS_BITS |\
1131 __LPU12HOST_MBOX0_STATUS_BITS |\
1132 __LPU12HOST_MBOX1_STATUS_BITS), \
1133 (_bna)->regs.fn_int_status);\
1134 } \
1135}
1136
1137#define bna_intr_status_get_no_clr(_bna, _status) \
1138 (_status) = readl((_bna)->regs.fn_int_status)
1139
1140#define bna_intr_mask_get(bna, mask) \
1141 (*mask) = readl((bna)->regs.fn_int_mask)
1142
1143#define bna_intr_ack(bna, intr_bmap) \
1144 writel((intr_bmap), (bna)->regs.fn_int_status)
1145
1146#define bna_ib_intx_disable(bna, ib_id) \
1147 writel(readl((bna)->regs.fn_int_mask) | \
1148 (1 << (ib_id)), \
1149 (bna)->regs.fn_int_mask)
1150
1151#define bna_ib_intx_enable(bna, ib_id) \
1152 writel(readl((bna)->regs.fn_int_mask) & \
1153 ~(1 << (ib_id)), \
1154 (bna)->regs.fn_int_mask)
1155
1156#define bna_mbox_msix_idx_set(_device) \
1157do {\
1158 writel(((_device)->vector & 0x000001FF), \
1159 (_device)->bna->pcidev.pci_bar_kva + \
1160 reg_offset[(_device)->bna->pcidev.pci_func].msix_idx);\
1161} while (0)
1162
1163/**
1164 *
1165 * TxQ, RxQ, CQ related bits, offsets, macros
1166 *
1167 */
1168
1169#define BNA_Q_IDLE_STATE 0x00008001
1170
1171#define BNA_GET_DOORBELL_BASE_ADDR(_bar0) \
1172 ((_bar0) + HQM_DOORBELL_BLK_BASE_ADDR)
1173
1174#define BNA_GET_DOORBELL_ENTRY_OFFSET(_entry) \
1175 ((HQM_DOORBELL_BLK_BASE_ADDR) \
1176 + (_entry << 7))
1177
1178#define BNA_DOORBELL_IB_INT_ACK(_timeout, _events) \
1179 (0x80000000 | ((_timeout) << 16) | (_events))
1180
1181#define BNA_DOORBELL_IB_INT_DISABLE (0x40000000)
1182
1183/* TxQ Entry Opcodes */
1184#define BNA_TXQ_WI_SEND (0x402) /* Single Frame Transmission */
1185#define BNA_TXQ_WI_SEND_LSO (0x403) /* Multi-Frame Transmission */
1186#define BNA_TXQ_WI_EXTENSION (0x104) /* Extension WI */
1187
1188/* TxQ Entry Control Flags */
1189#define BNA_TXQ_WI_CF_FCOE_CRC (1 << 8)
1190#define BNA_TXQ_WI_CF_IPID_MODE (1 << 5)
1191#define BNA_TXQ_WI_CF_INS_PRIO (1 << 4)
1192#define BNA_TXQ_WI_CF_INS_VLAN (1 << 3)
1193#define BNA_TXQ_WI_CF_UDP_CKSUM (1 << 2)
1194#define BNA_TXQ_WI_CF_TCP_CKSUM (1 << 1)
1195#define BNA_TXQ_WI_CF_IP_CKSUM (1 << 0)
1196
1197#define BNA_TXQ_WI_L4_HDR_N_OFFSET(_hdr_size, _offset) \
1198 (((_hdr_size) << 10) | ((_offset) & 0x3FF))
1199
1200/*
1201 * Completion Q defines
1202 */
1203/* CQ Entry Flags */
1204#define BNA_CQ_EF_MAC_ERROR (1 << 0)
1205#define BNA_CQ_EF_FCS_ERROR (1 << 1)
1206#define BNA_CQ_EF_TOO_LONG (1 << 2)
1207#define BNA_CQ_EF_FC_CRC_OK (1 << 3)
1208
1209#define BNA_CQ_EF_RSVD1 (1 << 4)
1210#define BNA_CQ_EF_L4_CKSUM_OK (1 << 5)
1211#define BNA_CQ_EF_L3_CKSUM_OK (1 << 6)
1212#define BNA_CQ_EF_HDS_HEADER (1 << 7)
1213
1214#define BNA_CQ_EF_UDP (1 << 8)
1215#define BNA_CQ_EF_TCP (1 << 9)
1216#define BNA_CQ_EF_IP_OPTIONS (1 << 10)
1217#define BNA_CQ_EF_IPV6 (1 << 11)
1218
1219#define BNA_CQ_EF_IPV4 (1 << 12)
1220#define BNA_CQ_EF_VLAN (1 << 13)
1221#define BNA_CQ_EF_RSS (1 << 14)
1222#define BNA_CQ_EF_RSVD2 (1 << 15)
1223
1224#define BNA_CQ_EF_MCAST_MATCH (1 << 16)
1225#define BNA_CQ_EF_MCAST (1 << 17)
1226#define BNA_CQ_EF_BCAST (1 << 18)
1227#define BNA_CQ_EF_REMOTE (1 << 19)
1228
1229#define BNA_CQ_EF_LOCAL (1 << 20)
1230
1231/**
1232 *
1233 * Data structures
1234 *
1235 */
1236
1237enum txf_flags {
1238 BFI_TXF_CF_ENABLE = 1 << 0,
1239 BFI_TXF_CF_VLAN_FILTER = 1 << 8,
1240 BFI_TXF_CF_VLAN_ADMIT = 1 << 9,
1241 BFI_TXF_CF_VLAN_INSERT = 1 << 10,
1242 BFI_TXF_CF_RSVD1 = 1 << 11,
1243 BFI_TXF_CF_MAC_SA_CHECK = 1 << 12,
1244 BFI_TXF_CF_VLAN_WI_BASED = 1 << 13,
1245 BFI_TXF_CF_VSWITCH_MCAST = 1 << 14,
1246 BFI_TXF_CF_VSWITCH_UCAST = 1 << 15,
1247 BFI_TXF_CF_RSVD2 = 0x7F << 1
1248};
1249
1250enum ib_flags {
1251 BFI_IB_CF_MASTER_ENABLE = (1 << 0),
1252 BFI_IB_CF_MSIX_MODE = (1 << 1),
1253 BFI_IB_CF_COALESCING_MODE = (1 << 2),
1254 BFI_IB_CF_INTER_PKT_ENABLE = (1 << 3),
1255 BFI_IB_CF_INT_ENABLE = (1 << 4),
1256 BFI_IB_CF_INTER_PKT_DMA = (1 << 5),
1257 BFI_IB_CF_ACK_PENDING = (1 << 6),
1258 BFI_IB_CF_RESERVED1 = (1 << 7)
1259};
1260
1261enum rss_hash_type {
1262 BFI_RSS_T_V4_TCP = (1 << 11),
1263 BFI_RSS_T_V4_IP = (1 << 10),
1264 BFI_RSS_T_V6_TCP = (1 << 9),
1265 BFI_RSS_T_V6_IP = (1 << 8)
1266};
1267enum hds_header_type {
1268 BNA_HDS_T_V4_TCP = (1 << 11),
1269 BNA_HDS_T_V4_UDP = (1 << 10),
1270 BNA_HDS_T_V6_TCP = (1 << 9),
1271 BNA_HDS_T_V6_UDP = (1 << 8),
1272 BNA_HDS_FORCED = (1 << 7),
1273};
1274enum rxf_flags {
1275 BNA_RXF_CF_SM_LG_RXQ = (1 << 15),
1276 BNA_RXF_CF_DEFAULT_VLAN = (1 << 14),
1277 BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE = (1 << 13),
1278 BNA_RXF_CF_VLAN_STRIP = (1 << 12),
1279 BNA_RXF_CF_RSS_ENABLE = (1 << 8)
1280};
1281struct bna_chip_regs_offset {
1282 u32 page_addr;
1283 u32 fn_int_status;
1284 u32 fn_int_mask;
1285 u32 msix_idx;
1286};
1287
1288struct bna_chip_regs {
1289 void __iomem *page_addr;
1290 void __iomem *fn_int_status;
1291 void __iomem *fn_int_mask;
1292};
1293
1294struct bna_txq_mem {
1295 u32 pg_tbl_addr_lo;
1296 u32 pg_tbl_addr_hi;
1297 u32 cur_q_entry_lo;
1298 u32 cur_q_entry_hi;
1299 u32 reserved1;
1300 u32 reserved2;
1301 u32 pg_cnt_n_prd_ptr; /* 31:16->total page count */
1302 /* 15:0 ->producer pointer (index?) */
1303 u32 entry_n_pg_size; /* 31:16->entry size */
1304 /* 15:0 ->page size */
1305 u32 int_blk_n_cns_ptr; /* 31:24->Int Blk Id; */
1306 /* 23:16->Int Blk Offset */
1307 /* 15:0 ->consumer pointer(index?) */
1308 u32 cns_ptr2_n_q_state; /* 31:16->cons. ptr 2; 15:0-> Q state */
1309 u32 nxt_qid_n_fid_n_pri; /* 17:10->next */
1310 /* QId;9:3->FID;2:0->Priority */
1311 u32 wvc_n_cquota_n_rquota; /* 31:24->WI Vector Count; */
1312 /* 23:12->Cfg Quota; */
1313 /* 11:0 ->Run Quota */
1314 u32 reserved3[4];
1315};
1316
1317struct bna_rxq_mem {
1318 u32 pg_tbl_addr_lo;
1319 u32 pg_tbl_addr_hi;
1320 u32 cur_q_entry_lo;
1321 u32 cur_q_entry_hi;
1322 u32 reserved1;
1323 u32 reserved2;
1324 u32 pg_cnt_n_prd_ptr; /* 31:16->total page count */
1325 /* 15:0 ->producer pointer (index?) */
1326 u32 entry_n_pg_size; /* 31:16->entry size */
1327 /* 15:0 ->page size */
1328 u32 sg_n_cq_n_cns_ptr; /* 31:28->reserved; 27:24->sg count */
1329 /* 23:16->CQ; */
1330 /* 15:0->consumer pointer(index?) */
1331 u32 buf_sz_n_q_state; /* 31:16->buffer size; 15:0-> Q state */
1332 u32 next_qid; /* 17:10->next QId */
1333 u32 reserved3;
1334 u32 reserved4[4];
1335};
1336
1337struct bna_rxtx_q_mem {
1338 struct bna_rxq_mem rxq;
1339 struct bna_txq_mem txq;
1340};
1341
1342struct bna_cq_mem {
1343 u32 pg_tbl_addr_lo;
1344 u32 pg_tbl_addr_hi;
1345 u32 cur_q_entry_lo;
1346 u32 cur_q_entry_hi;
1347
1348 u32 reserved1;
1349 u32 reserved2;
1350 u32 pg_cnt_n_prd_ptr; /* 31:16->total page count */
1351 /* 15:0 ->producer pointer (index?) */
1352 u32 entry_n_pg_size; /* 31:16->entry size */
1353 /* 15:0 ->page size */
1354 u32 int_blk_n_cns_ptr; /* 31:24->Int Blk Id; */
1355 /* 23:16->Int Blk Offset */
1356 /* 15:0 ->consumer pointer(index?) */
1357 u32 q_state; /* 31:16->reserved; 15:0-> Q state */
1358 u32 reserved3[2];
1359 u32 reserved4[4];
1360};
1361
1362struct bna_ib_blk_mem {
1363 u32 host_addr_lo;
1364 u32 host_addr_hi;
1365 u32 clsc_n_ctrl_n_msix; /* 31:24->coalescing; */
1366 /* 23:16->coalescing cfg; */
1367 /* 15:8 ->control; */
1368 /* 7:0 ->msix; */
1369 u32 ipkt_n_ent_n_idxof;
1370 u32 ipkt_cnt_cfg_n_unacked;
1371
1372 u32 reserved[3];
1373};
1374
1375struct bna_idx_tbl_mem {
1376 u32 idx; /* !< 31:16->res;15:0->idx; */
1377};
1378
1379struct bna_doorbell_qset {
1380 u32 rxq[0x20 >> 2];
1381 u32 txq[0x20 >> 2];
1382 u32 ib0[0x20 >> 2];
1383 u32 ib1[0x20 >> 2];
1384};
1385
1386struct bna_rx_fndb_ram {
1387 u32 rss_prop;
1388 u32 size_routing_props;
1389 u32 rit_hds_mcastq;
1390 u32 control_flags;
1391};
1392
1393struct bna_tx_fndb_ram {
1394 u32 vlan_n_ctrl_flags;
1395};
1396
1397/**
1398 * @brief
1399 * Structure which maps to RxFn Indirection Table (RIT)
1400 * Size : 1 word
1401 * See catapult_spec.pdf, RxA for details
1402 */
1403struct bna_rit_mem {
1404 u32 rxq_ids; /* !< 31:12->res;11:0->two 6 bit RxQ Ids */
1405};
1406
1407/**
1408 * @brief
1409 * Structure which maps to RSS Table entry
1410 * Size : 16 words
1411 * See catapult_spec.pdf, RAD for details
1412 */
1413struct bna_rss_mem {
1414 /*
1415 * 31:12-> res
1416 * 11:8 -> protocol type
1417 * 7:0 -> hash index
1418 */
1419 u32 type_n_hash;
1420 u32 hash_key[10]; /* !< 40 byte Toeplitz hash key */
1421 u32 reserved[5];
1422};
1423
1424/* TxQ Vector (a.k.a. Tx-Buffer Descriptor) */
1425struct bna_dma_addr {
1426 u32 msb;
1427 u32 lsb;
1428};
1429
1430struct bna_txq_wi_vector {
1431 u16 reserved;
1432 u16 length; /* Only 14 LSB are valid */
1433 struct bna_dma_addr host_addr; /* Tx-Buf DMA addr */
1434};
1435
1436typedef u16 bna_txq_wi_opcode_t;
1437
1438typedef u16 bna_txq_wi_ctrl_flag_t;
1439
1440/**
1441 * TxQ Entry Structure
1442 *
1443 * BEWARE: Load values into this structure with correct endianess.
1444 */
1445struct bna_txq_entry {
1446 union {
1447 struct {
1448 u8 reserved;
1449 u8 num_vectors; /* number of vectors present */
1450 bna_txq_wi_opcode_t opcode; /* Either */
1451 /* BNA_TXQ_WI_SEND or */
1452 /* BNA_TXQ_WI_SEND_LSO */
1453 bna_txq_wi_ctrl_flag_t flags; /* OR of all the flags */
1454 u16 l4_hdr_size_n_offset;
1455 u16 vlan_tag;
1456 u16 lso_mss; /* Only 14 LSB are valid */
1457 u32 frame_length; /* Only 24 LSB are valid */
1458 } wi;
1459
1460 struct {
1461 u16 reserved;
1462 bna_txq_wi_opcode_t opcode; /* Must be */
1463 /* BNA_TXQ_WI_EXTENSION */
1464 u32 reserved2[3]; /* Place holder for */
1465 /* removed vector (12 bytes) */
1466 } wi_ext;
1467 } hdr;
1468 struct bna_txq_wi_vector vector[4];
1469};
1470#define wi_hdr hdr.wi
1471#define wi_ext_hdr hdr.wi_ext
1472
1473/* RxQ Entry Structure */
1474struct bna_rxq_entry { /* Rx-Buffer */
1475 struct bna_dma_addr host_addr; /* Rx-Buffer DMA address */
1476};
1477
1478typedef u32 bna_cq_e_flag_t;
1479
1480/* CQ Entry Structure */
1481struct bna_cq_entry {
1482 bna_cq_e_flag_t flags;
1483 u16 vlan_tag;
1484 u16 length;
1485 u32 rss_hash;
1486 u8 valid;
1487 u8 reserved1;
1488 u8 reserved2;
1489 u8 rxq_id;
1490};
1491
1492#endif /* __BNA_HW_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bna_txrx.c b/drivers/net/ethernet/brocade/bna/bna_txrx.c
new file mode 100644
index 000000000000..f0983c832447
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bna_txrx.c
@@ -0,0 +1,4185 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#include "bna.h"
19#include "bfa_cs.h"
20#include "bfi.h"
21
22/**
23 * IB
24 */
25#define bna_ib_find_free_ibidx(_mask, _pos)\
26do {\
27 (_pos) = 0;\
28 while (((_pos) < (BFI_IBIDX_MAX_SEGSIZE)) &&\
29 ((1 << (_pos)) & (_mask)))\
30 (_pos)++;\
31} while (0)
32
33#define bna_ib_count_ibidx(_mask, _count)\
34do {\
35 int pos = 0;\
36 (_count) = 0;\
37 while (pos < (BFI_IBIDX_MAX_SEGSIZE)) {\
38 if ((1 << pos) & (_mask))\
39 (_count) = pos + 1;\
40 pos++;\
41 } \
42} while (0)
43
44#define bna_ib_select_segpool(_count, _q_idx)\
45do {\
46 int i;\
47 (_q_idx) = -1;\
48 for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {\
49 if ((_count <= ibidx_pool[i].pool_entry_size)) {\
50 (_q_idx) = i;\
51 break;\
52 } \
53 } \
54} while (0)
55
56struct bna_ibidx_pool {
57 int pool_size;
58 int pool_entry_size;
59};
60init_ibidx_pool(ibidx_pool);
61
62static struct bna_intr *
63bna_intr_get(struct bna_ib_mod *ib_mod, enum bna_intr_type intr_type,
64 int vector)
65{
66 struct bna_intr *intr;
67 struct list_head *qe;
68
69 list_for_each(qe, &ib_mod->intr_active_q) {
70 intr = (struct bna_intr *)qe;
71
72 if ((intr->intr_type == intr_type) &&
73 (intr->vector == vector)) {
74 intr->ref_count++;
75 return intr;
76 }
77 }
78
79 if (list_empty(&ib_mod->intr_free_q))
80 return NULL;
81
82 bfa_q_deq(&ib_mod->intr_free_q, &intr);
83 bfa_q_qe_init(&intr->qe);
84
85 intr->ref_count = 1;
86 intr->intr_type = intr_type;
87 intr->vector = vector;
88
89 list_add_tail(&intr->qe, &ib_mod->intr_active_q);
90
91 return intr;
92}
93
94static void
95bna_intr_put(struct bna_ib_mod *ib_mod,
96 struct bna_intr *intr)
97{
98 intr->ref_count--;
99
100 if (intr->ref_count == 0) {
101 intr->ib = NULL;
102 list_del(&intr->qe);
103 bfa_q_qe_init(&intr->qe);
104 list_add_tail(&intr->qe, &ib_mod->intr_free_q);
105 }
106}
107
108void
109bna_ib_mod_init(struct bna_ib_mod *ib_mod, struct bna *bna,
110 struct bna_res_info *res_info)
111{
112 int i;
113 int j;
114 int count;
115 u8 offset;
116 struct bna_doorbell_qset *qset;
117 unsigned long off;
118
119 ib_mod->bna = bna;
120
121 ib_mod->ib = (struct bna_ib *)
122 res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.mdl[0].kva;
123 ib_mod->intr = (struct bna_intr *)
124 res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.mdl[0].kva;
125 ib_mod->idx_seg = (struct bna_ibidx_seg *)
126 res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.mdl[0].kva;
127
128 INIT_LIST_HEAD(&ib_mod->ib_free_q);
129 INIT_LIST_HEAD(&ib_mod->intr_free_q);
130 INIT_LIST_HEAD(&ib_mod->intr_active_q);
131
132 for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++)
133 INIT_LIST_HEAD(&ib_mod->ibidx_seg_pool[i]);
134
135 for (i = 0; i < BFI_MAX_IB; i++) {
136 ib_mod->ib[i].ib_id = i;
137
138 ib_mod->ib[i].ib_seg_host_addr_kva =
139 res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
140 ib_mod->ib[i].ib_seg_host_addr.lsb =
141 res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
142 ib_mod->ib[i].ib_seg_host_addr.msb =
143 res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
144
145 qset = (struct bna_doorbell_qset *)0;
146 off = (unsigned long)(&qset[i >> 1].ib0[(i & 0x1)
147 * (0x20 >> 2)]);
148 ib_mod->ib[i].door_bell.doorbell_addr = off +
149 BNA_GET_DOORBELL_BASE_ADDR(bna->pcidev.pci_bar_kva);
150
151 bfa_q_qe_init(&ib_mod->ib[i].qe);
152 list_add_tail(&ib_mod->ib[i].qe, &ib_mod->ib_free_q);
153
154 bfa_q_qe_init(&ib_mod->intr[i].qe);
155 list_add_tail(&ib_mod->intr[i].qe, &ib_mod->intr_free_q);
156 }
157
158 count = 0;
159 offset = 0;
160 for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {
161 for (j = 0; j < ibidx_pool[i].pool_size; j++) {
162 bfa_q_qe_init(&ib_mod->idx_seg[count]);
163 ib_mod->idx_seg[count].ib_seg_size =
164 ibidx_pool[i].pool_entry_size;
165 ib_mod->idx_seg[count].ib_idx_tbl_offset = offset;
166 list_add_tail(&ib_mod->idx_seg[count].qe,
167 &ib_mod->ibidx_seg_pool[i]);
168 count++;
169 offset += ibidx_pool[i].pool_entry_size;
170 }
171 }
172}
173
174void
175bna_ib_mod_uninit(struct bna_ib_mod *ib_mod)
176{
177 int i;
178 int j;
179 struct list_head *qe;
180
181 i = 0;
182 list_for_each(qe, &ib_mod->ib_free_q)
183 i++;
184
185 i = 0;
186 list_for_each(qe, &ib_mod->intr_free_q)
187 i++;
188
189 for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {
190 j = 0;
191 list_for_each(qe, &ib_mod->ibidx_seg_pool[i])
192 j++;
193 }
194
195 ib_mod->bna = NULL;
196}
197
198static struct bna_ib *
199bna_ib_get(struct bna_ib_mod *ib_mod,
200 enum bna_intr_type intr_type,
201 int vector)
202{
203 struct bna_ib *ib;
204 struct bna_intr *intr;
205
206 if (intr_type == BNA_INTR_T_INTX)
207 vector = (1 << vector);
208
209 intr = bna_intr_get(ib_mod, intr_type, vector);
210 if (intr == NULL)
211 return NULL;
212
213 if (intr->ib) {
214 if (intr->ib->ref_count == BFI_IBIDX_MAX_SEGSIZE) {
215 bna_intr_put(ib_mod, intr);
216 return NULL;
217 }
218 intr->ib->ref_count++;
219 return intr->ib;
220 }
221
222 if (list_empty(&ib_mod->ib_free_q)) {
223 bna_intr_put(ib_mod, intr);
224 return NULL;
225 }
226
227 bfa_q_deq(&ib_mod->ib_free_q, &ib);
228 bfa_q_qe_init(&ib->qe);
229
230 ib->ref_count = 1;
231 ib->start_count = 0;
232 ib->idx_mask = 0;
233
234 ib->intr = intr;
235 ib->idx_seg = NULL;
236 intr->ib = ib;
237
238 ib->bna = ib_mod->bna;
239
240 return ib;
241}
242
243static void
244bna_ib_put(struct bna_ib_mod *ib_mod, struct bna_ib *ib)
245{
246 bna_intr_put(ib_mod, ib->intr);
247
248 ib->ref_count--;
249
250 if (ib->ref_count == 0) {
251 ib->intr = NULL;
252 ib->bna = NULL;
253 list_add_tail(&ib->qe, &ib_mod->ib_free_q);
254 }
255}
256
257/* Returns index offset - starting from 0 */
258static int
259bna_ib_reserve_idx(struct bna_ib *ib)
260{
261 struct bna_ib_mod *ib_mod = &ib->bna->ib_mod;
262 struct bna_ibidx_seg *idx_seg;
263 int idx;
264 int num_idx;
265 int q_idx;
266
267 /* Find the first free index position */
268 bna_ib_find_free_ibidx(ib->idx_mask, idx);
269 if (idx == BFI_IBIDX_MAX_SEGSIZE)
270 return -1;
271
272 /*
273 * Calculate the total number of indexes held by this IB,
274 * including the index newly reserved above.
275 */
276 bna_ib_count_ibidx((ib->idx_mask | (1 << idx)), num_idx);
277
278 /* See if there is a free space in the index segment held by this IB */
279 if (ib->idx_seg && (num_idx <= ib->idx_seg->ib_seg_size)) {
280 ib->idx_mask |= (1 << idx);
281 return idx;
282 }
283
284 if (ib->start_count)
285 return -1;
286
287 /* Allocate a new segment */
288 bna_ib_select_segpool(num_idx, q_idx);
289 while (1) {
290 if (q_idx == BFI_IBIDX_TOTAL_POOLS)
291 return -1;
292 if (!list_empty(&ib_mod->ibidx_seg_pool[q_idx]))
293 break;
294 q_idx++;
295 }
296 bfa_q_deq(&ib_mod->ibidx_seg_pool[q_idx], &idx_seg);
297 bfa_q_qe_init(&idx_seg->qe);
298
299 /* Free the old segment */
300 if (ib->idx_seg) {
301 bna_ib_select_segpool(ib->idx_seg->ib_seg_size, q_idx);
302 list_add_tail(&ib->idx_seg->qe, &ib_mod->ibidx_seg_pool[q_idx]);
303 }
304
305 ib->idx_seg = idx_seg;
306
307 ib->idx_mask |= (1 << idx);
308
309 return idx;
310}
311
312static void
313bna_ib_release_idx(struct bna_ib *ib, int idx)
314{
315 struct bna_ib_mod *ib_mod = &ib->bna->ib_mod;
316 struct bna_ibidx_seg *idx_seg;
317 int num_idx;
318 int cur_q_idx;
319 int new_q_idx;
320
321 ib->idx_mask &= ~(1 << idx);
322
323 if (ib->start_count)
324 return;
325
326 bna_ib_count_ibidx(ib->idx_mask, num_idx);
327
328 /*
329 * Free the segment, if there are no more indexes in the segment
330 * held by this IB
331 */
332 if (!num_idx) {
333 bna_ib_select_segpool(ib->idx_seg->ib_seg_size, cur_q_idx);
334 list_add_tail(&ib->idx_seg->qe,
335 &ib_mod->ibidx_seg_pool[cur_q_idx]);
336 ib->idx_seg = NULL;
337 return;
338 }
339
340 /* See if we can move to a smaller segment */
341 bna_ib_select_segpool(num_idx, new_q_idx);
342 bna_ib_select_segpool(ib->idx_seg->ib_seg_size, cur_q_idx);
343 while (new_q_idx < cur_q_idx) {
344 if (!list_empty(&ib_mod->ibidx_seg_pool[new_q_idx]))
345 break;
346 new_q_idx++;
347 }
348 if (new_q_idx < cur_q_idx) {
349 /* Select the new smaller segment */
350 bfa_q_deq(&ib_mod->ibidx_seg_pool[new_q_idx], &idx_seg);
351 bfa_q_qe_init(&idx_seg->qe);
352 /* Free the old segment */
353 list_add_tail(&ib->idx_seg->qe,
354 &ib_mod->ibidx_seg_pool[cur_q_idx]);
355 ib->idx_seg = idx_seg;
356 }
357}
358
359static int
360bna_ib_config(struct bna_ib *ib, struct bna_ib_config *ib_config)
361{
362 if (ib->start_count)
363 return -1;
364
365 ib->ib_config.coalescing_timeo = ib_config->coalescing_timeo;
366 ib->ib_config.interpkt_timeo = ib_config->interpkt_timeo;
367 ib->ib_config.interpkt_count = ib_config->interpkt_count;
368 ib->ib_config.ctrl_flags = ib_config->ctrl_flags;
369
370 ib->ib_config.ctrl_flags |= BFI_IB_CF_MASTER_ENABLE;
371 if (ib->intr->intr_type == BNA_INTR_T_MSIX)
372 ib->ib_config.ctrl_flags |= BFI_IB_CF_MSIX_MODE;
373
374 return 0;
375}
376
377static void
378bna_ib_start(struct bna_ib *ib)
379{
380 struct bna_ib_blk_mem ib_cfg;
381 struct bna_ib_blk_mem *ib_mem;
382 u32 pg_num;
383 u32 intx_mask;
384 int i;
385 void __iomem *base_addr;
386 unsigned long off;
387
388 ib->start_count++;
389
390 if (ib->start_count > 1)
391 return;
392
393 ib_cfg.host_addr_lo = (u32)(ib->ib_seg_host_addr.lsb);
394 ib_cfg.host_addr_hi = (u32)(ib->ib_seg_host_addr.msb);
395
396 ib_cfg.clsc_n_ctrl_n_msix = (((u32)
397 ib->ib_config.coalescing_timeo << 16) |
398 ((u32)ib->ib_config.ctrl_flags << 8) |
399 (ib->intr->vector));
400 ib_cfg.ipkt_n_ent_n_idxof =
401 ((u32)
402 (ib->ib_config.interpkt_timeo & 0xf) << 16) |
403 ((u32)ib->idx_seg->ib_seg_size << 8) |
404 (ib->idx_seg->ib_idx_tbl_offset);
405 ib_cfg.ipkt_cnt_cfg_n_unacked = ((u32)
406 ib->ib_config.interpkt_count << 24);
407
408 pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + ib->bna->port_num,
409 HQM_IB_RAM_BASE_OFFSET);
410 writel(pg_num, ib->bna->regs.page_addr);
411
412 base_addr = BNA_GET_MEM_BASE_ADDR(ib->bna->pcidev.pci_bar_kva,
413 HQM_IB_RAM_BASE_OFFSET);
414
415 ib_mem = (struct bna_ib_blk_mem *)0;
416 off = (unsigned long)&ib_mem[ib->ib_id].host_addr_lo;
417 writel(htonl(ib_cfg.host_addr_lo), base_addr + off);
418
419 off = (unsigned long)&ib_mem[ib->ib_id].host_addr_hi;
420 writel(htonl(ib_cfg.host_addr_hi), base_addr + off);
421
422 off = (unsigned long)&ib_mem[ib->ib_id].clsc_n_ctrl_n_msix;
423 writel(ib_cfg.clsc_n_ctrl_n_msix, base_addr + off);
424
425 off = (unsigned long)&ib_mem[ib->ib_id].ipkt_n_ent_n_idxof;
426 writel(ib_cfg.ipkt_n_ent_n_idxof, base_addr + off);
427
428 off = (unsigned long)&ib_mem[ib->ib_id].ipkt_cnt_cfg_n_unacked;
429 writel(ib_cfg.ipkt_cnt_cfg_n_unacked, base_addr + off);
430
431 ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK(
432 (u32)ib->ib_config.coalescing_timeo, 0);
433
434 pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + ib->bna->port_num,
435 HQM_INDX_TBL_RAM_BASE_OFFSET);
436 writel(pg_num, ib->bna->regs.page_addr);
437
438 base_addr = BNA_GET_MEM_BASE_ADDR(ib->bna->pcidev.pci_bar_kva,
439 HQM_INDX_TBL_RAM_BASE_OFFSET);
440 for (i = 0; i < ib->idx_seg->ib_seg_size; i++) {
441 off = (unsigned long)
442 ((ib->idx_seg->ib_idx_tbl_offset + i) * BFI_IBIDX_SIZE);
443 writel(0, base_addr + off);
444 }
445
446 if (ib->intr->intr_type == BNA_INTR_T_INTX) {
447 bna_intx_disable(ib->bna, intx_mask);
448 intx_mask &= ~(ib->intr->vector);
449 bna_intx_enable(ib->bna, intx_mask);
450 }
451}
452
453static void
454bna_ib_stop(struct bna_ib *ib)
455{
456 u32 intx_mask;
457
458 ib->start_count--;
459
460 if (ib->start_count == 0) {
461 writel(BNA_DOORBELL_IB_INT_DISABLE,
462 ib->door_bell.doorbell_addr);
463 if (ib->intr->intr_type == BNA_INTR_T_INTX) {
464 bna_intx_disable(ib->bna, intx_mask);
465 intx_mask |= (ib->intr->vector);
466 bna_intx_enable(ib->bna, intx_mask);
467 }
468 }
469}
470
471static void
472bna_ib_fail(struct bna_ib *ib)
473{
474 ib->start_count = 0;
475}
476
477/**
478 * RXF
479 */
480static void rxf_enable(struct bna_rxf *rxf);
481static void rxf_disable(struct bna_rxf *rxf);
482static void __rxf_config_set(struct bna_rxf *rxf);
483static void __rxf_rit_set(struct bna_rxf *rxf);
484static void __bna_rxf_stat_clr(struct bna_rxf *rxf);
485static int rxf_process_packet_filter(struct bna_rxf *rxf);
486static int rxf_clear_packet_filter(struct bna_rxf *rxf);
487static void rxf_reset_packet_filter(struct bna_rxf *rxf);
488static void rxf_cb_enabled(void *arg, int status);
489static void rxf_cb_disabled(void *arg, int status);
490static void bna_rxf_cb_stats_cleared(void *arg, int status);
491static void __rxf_enable(struct bna_rxf *rxf);
492static void __rxf_disable(struct bna_rxf *rxf);
493
494bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf,
495 enum bna_rxf_event);
496bfa_fsm_state_decl(bna_rxf, start_wait, struct bna_rxf,
497 enum bna_rxf_event);
498bfa_fsm_state_decl(bna_rxf, cam_fltr_mod_wait, struct bna_rxf,
499 enum bna_rxf_event);
500bfa_fsm_state_decl(bna_rxf, started, struct bna_rxf,
501 enum bna_rxf_event);
502bfa_fsm_state_decl(bna_rxf, cam_fltr_clr_wait, struct bna_rxf,
503 enum bna_rxf_event);
504bfa_fsm_state_decl(bna_rxf, stop_wait, struct bna_rxf,
505 enum bna_rxf_event);
506bfa_fsm_state_decl(bna_rxf, pause_wait, struct bna_rxf,
507 enum bna_rxf_event);
508bfa_fsm_state_decl(bna_rxf, resume_wait, struct bna_rxf,
509 enum bna_rxf_event);
510bfa_fsm_state_decl(bna_rxf, stat_clr_wait, struct bna_rxf,
511 enum bna_rxf_event);
512
513static struct bfa_sm_table rxf_sm_table[] = {
514 {BFA_SM(bna_rxf_sm_stopped), BNA_RXF_STOPPED},
515 {BFA_SM(bna_rxf_sm_start_wait), BNA_RXF_START_WAIT},
516 {BFA_SM(bna_rxf_sm_cam_fltr_mod_wait), BNA_RXF_CAM_FLTR_MOD_WAIT},
517 {BFA_SM(bna_rxf_sm_started), BNA_RXF_STARTED},
518 {BFA_SM(bna_rxf_sm_cam_fltr_clr_wait), BNA_RXF_CAM_FLTR_CLR_WAIT},
519 {BFA_SM(bna_rxf_sm_stop_wait), BNA_RXF_STOP_WAIT},
520 {BFA_SM(bna_rxf_sm_pause_wait), BNA_RXF_PAUSE_WAIT},
521 {BFA_SM(bna_rxf_sm_resume_wait), BNA_RXF_RESUME_WAIT},
522 {BFA_SM(bna_rxf_sm_stat_clr_wait), BNA_RXF_STAT_CLR_WAIT}
523};
524
525static void
526bna_rxf_sm_stopped_entry(struct bna_rxf *rxf)
527{
528 call_rxf_stop_cbfn(rxf, BNA_CB_SUCCESS);
529}
530
531static void
532bna_rxf_sm_stopped(struct bna_rxf *rxf, enum bna_rxf_event event)
533{
534 switch (event) {
535 case RXF_E_START:
536 bfa_fsm_set_state(rxf, bna_rxf_sm_start_wait);
537 break;
538
539 case RXF_E_STOP:
540 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
541 break;
542
543 case RXF_E_FAIL:
544 /* No-op */
545 break;
546
547 case RXF_E_CAM_FLTR_MOD:
548 call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
549 break;
550
551 case RXF_E_STARTED:
552 case RXF_E_STOPPED:
553 case RXF_E_CAM_FLTR_RESP:
554 /**
555 * These events are received due to flushing of mbox
556 * when device fails
557 */
558 /* No-op */
559 break;
560
561 case RXF_E_PAUSE:
562 rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED;
563 call_rxf_pause_cbfn(rxf, BNA_CB_SUCCESS);
564 break;
565
566 case RXF_E_RESUME:
567 rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING;
568 call_rxf_resume_cbfn(rxf, BNA_CB_SUCCESS);
569 break;
570
571 default:
572 bfa_sm_fault(event);
573 }
574}
575
576static void
577bna_rxf_sm_start_wait_entry(struct bna_rxf *rxf)
578{
579 __rxf_config_set(rxf);
580 __rxf_rit_set(rxf);
581 rxf_enable(rxf);
582}
583
584static void
585bna_rxf_sm_start_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
586{
587 switch (event) {
588 case RXF_E_STOP:
589 /**
590 * STOP is originated from bnad. When this happens,
591 * it can not be waiting for filter update
592 */
593 call_rxf_start_cbfn(rxf, BNA_CB_INTERRUPT);
594 bfa_fsm_set_state(rxf, bna_rxf_sm_stop_wait);
595 break;
596
597 case RXF_E_FAIL:
598 call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
599 call_rxf_start_cbfn(rxf, BNA_CB_FAIL);
600 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
601 break;
602
603 case RXF_E_CAM_FLTR_MOD:
604 /* No-op */
605 break;
606
607 case RXF_E_STARTED:
608 /**
609 * Force rxf_process_filter() to go through initial
610 * config
611 */
612 if ((rxf->ucast_active_mac != NULL) &&
613 (rxf->ucast_pending_set == 0))
614 rxf->ucast_pending_set = 1;
615
616 if (rxf->rss_status == BNA_STATUS_T_ENABLED)
617 rxf->rxf_flags |= BNA_RXF_FL_RSS_CONFIG_PENDING;
618
619 rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
620
621 bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_mod_wait);
622 break;
623
624 case RXF_E_PAUSE:
625 case RXF_E_RESUME:
626 rxf->rxf_flags |= BNA_RXF_FL_OPERSTATE_CHANGED;
627 break;
628
629 default:
630 bfa_sm_fault(event);
631 }
632}
633
634static void
635bna_rxf_sm_cam_fltr_mod_wait_entry(struct bna_rxf *rxf)
636{
637 if (!rxf_process_packet_filter(rxf)) {
638 /* No more pending CAM entries to update */
639 bfa_fsm_set_state(rxf, bna_rxf_sm_started);
640 }
641}
642
643static void
644bna_rxf_sm_cam_fltr_mod_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
645{
646 switch (event) {
647 case RXF_E_STOP:
648 /**
649 * STOP is originated from bnad. When this happens,
650 * it can not be waiting for filter update
651 */
652 call_rxf_start_cbfn(rxf, BNA_CB_INTERRUPT);
653 bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_clr_wait);
654 break;
655
656 case RXF_E_FAIL:
657 rxf_reset_packet_filter(rxf);
658 call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
659 call_rxf_start_cbfn(rxf, BNA_CB_FAIL);
660 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
661 break;
662
663 case RXF_E_CAM_FLTR_MOD:
664 /* No-op */
665 break;
666
667 case RXF_E_CAM_FLTR_RESP:
668 if (!rxf_process_packet_filter(rxf)) {
669 /* No more pending CAM entries to update */
670 call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
671 bfa_fsm_set_state(rxf, bna_rxf_sm_started);
672 }
673 break;
674
675 case RXF_E_PAUSE:
676 case RXF_E_RESUME:
677 rxf->rxf_flags |= BNA_RXF_FL_OPERSTATE_CHANGED;
678 break;
679
680 default:
681 bfa_sm_fault(event);
682 }
683}
684
685static void
686bna_rxf_sm_started_entry(struct bna_rxf *rxf)
687{
688 call_rxf_start_cbfn(rxf, BNA_CB_SUCCESS);
689
690 if (rxf->rxf_flags & BNA_RXF_FL_OPERSTATE_CHANGED) {
691 if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED)
692 bfa_fsm_send_event(rxf, RXF_E_PAUSE);
693 else
694 bfa_fsm_send_event(rxf, RXF_E_RESUME);
695 }
696
697}
698
699static void
700bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event)
701{
702 switch (event) {
703 case RXF_E_STOP:
704 bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_clr_wait);
705 /* Hack to get FSM start clearing CAM entries */
706 bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_RESP);
707 break;
708
709 case RXF_E_FAIL:
710 rxf_reset_packet_filter(rxf);
711 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
712 break;
713
714 case RXF_E_CAM_FLTR_MOD:
715 bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_mod_wait);
716 break;
717
718 case RXF_E_PAUSE:
719 bfa_fsm_set_state(rxf, bna_rxf_sm_pause_wait);
720 break;
721
722 case RXF_E_RESUME:
723 bfa_fsm_set_state(rxf, bna_rxf_sm_resume_wait);
724 break;
725
726 default:
727 bfa_sm_fault(event);
728 }
729}
730
731static void
732bna_rxf_sm_cam_fltr_clr_wait_entry(struct bna_rxf *rxf)
733{
734 /**
735 * Note: Do not add rxf_clear_packet_filter here.
736 * It will overstep mbox when this transition happens:
737 * cam_fltr_mod_wait -> cam_fltr_clr_wait on RXF_E_STOP event
738 */
739}
740
741static void
742bna_rxf_sm_cam_fltr_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
743{
744 switch (event) {
745 case RXF_E_FAIL:
746 /**
747 * FSM was in the process of stopping, initiated by
748 * bnad. When this happens, no one can be waiting for
749 * start or filter update
750 */
751 rxf_reset_packet_filter(rxf);
752 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
753 break;
754
755 case RXF_E_CAM_FLTR_RESP:
756 if (!rxf_clear_packet_filter(rxf)) {
757 /* No more pending CAM entries to clear */
758 bfa_fsm_set_state(rxf, bna_rxf_sm_stop_wait);
759 rxf_disable(rxf);
760 }
761 break;
762
763 default:
764 bfa_sm_fault(event);
765 }
766}
767
768static void
769bna_rxf_sm_stop_wait_entry(struct bna_rxf *rxf)
770{
771 /**
772 * NOTE: Do not add rxf_disable here.
773 * It will overstep mbox when this transition happens:
774 * start_wait -> stop_wait on RXF_E_STOP event
775 */
776}
777
778static void
779bna_rxf_sm_stop_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
780{
781 switch (event) {
782 case RXF_E_FAIL:
783 /**
784 * FSM was in the process of stopping, initiated by
785 * bnad. When this happens, no one can be waiting for
786 * start or filter update
787 */
788 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
789 break;
790
791 case RXF_E_STARTED:
792 /**
793 * This event is received due to abrupt transition from
794 * bna_rxf_sm_start_wait state on receiving
795 * RXF_E_STOP event
796 */
797 rxf_disable(rxf);
798 break;
799
800 case RXF_E_STOPPED:
801 /**
802 * FSM was in the process of stopping, initiated by
803 * bnad. When this happens, no one can be waiting for
804 * start or filter update
805 */
806 bfa_fsm_set_state(rxf, bna_rxf_sm_stat_clr_wait);
807 break;
808
809 case RXF_E_PAUSE:
810 rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED;
811 break;
812
813 case RXF_E_RESUME:
814 rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING;
815 break;
816
817 default:
818 bfa_sm_fault(event);
819 }
820}
821
822static void
823bna_rxf_sm_pause_wait_entry(struct bna_rxf *rxf)
824{
825 rxf->rxf_flags &=
826 ~(BNA_RXF_FL_OPERSTATE_CHANGED | BNA_RXF_FL_RXF_ENABLED);
827 __rxf_disable(rxf);
828}
829
830static void
831bna_rxf_sm_pause_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
832{
833 switch (event) {
834 case RXF_E_FAIL:
835 /**
836 * FSM was in the process of disabling rxf, initiated by
837 * bnad.
838 */
839 call_rxf_pause_cbfn(rxf, BNA_CB_FAIL);
840 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
841 break;
842
843 case RXF_E_STOPPED:
844 rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED;
845 call_rxf_pause_cbfn(rxf, BNA_CB_SUCCESS);
846 bfa_fsm_set_state(rxf, bna_rxf_sm_started);
847 break;
848
849 /*
850 * Since PAUSE/RESUME can only be sent by bnad, we don't expect
851 * any other event during these states
852 */
853 default:
854 bfa_sm_fault(event);
855 }
856}
857
858static void
859bna_rxf_sm_resume_wait_entry(struct bna_rxf *rxf)
860{
861 rxf->rxf_flags &= ~(BNA_RXF_FL_OPERSTATE_CHANGED);
862 rxf->rxf_flags |= BNA_RXF_FL_RXF_ENABLED;
863 __rxf_enable(rxf);
864}
865
866static void
867bna_rxf_sm_resume_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
868{
869 switch (event) {
870 case RXF_E_FAIL:
871 /**
872 * FSM was in the process of disabling rxf, initiated by
873 * bnad.
874 */
875 call_rxf_resume_cbfn(rxf, BNA_CB_FAIL);
876 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
877 break;
878
879 case RXF_E_STARTED:
880 rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING;
881 call_rxf_resume_cbfn(rxf, BNA_CB_SUCCESS);
882 bfa_fsm_set_state(rxf, bna_rxf_sm_started);
883 break;
884
885 /*
886 * Since PAUSE/RESUME can only be sent by bnad, we don't expect
887 * any other event during these states
888 */
889 default:
890 bfa_sm_fault(event);
891 }
892}
893
894static void
895bna_rxf_sm_stat_clr_wait_entry(struct bna_rxf *rxf)
896{
897 __bna_rxf_stat_clr(rxf);
898}
899
900static void
901bna_rxf_sm_stat_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
902{
903 switch (event) {
904 case RXF_E_FAIL:
905 case RXF_E_STAT_CLEARED:
906 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
907 break;
908
909 default:
910 bfa_sm_fault(event);
911 }
912}
913
914static void
915__rxf_enable(struct bna_rxf *rxf)
916{
917 struct bfi_ll_rxf_multi_req ll_req;
918 u32 bm[2] = {0, 0};
919
920 if (rxf->rxf_id < 32)
921 bm[0] = 1 << rxf->rxf_id;
922 else
923 bm[1] = 1 << (rxf->rxf_id - 32);
924
925 bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RX_REQ, 0);
926 ll_req.rxf_id_mask[0] = htonl(bm[0]);
927 ll_req.rxf_id_mask[1] = htonl(bm[1]);
928 ll_req.enable = 1;
929
930 bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req),
931 rxf_cb_enabled, rxf);
932
933 bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
934}
935
936static void
937__rxf_disable(struct bna_rxf *rxf)
938{
939 struct bfi_ll_rxf_multi_req ll_req;
940 u32 bm[2] = {0, 0};
941
942 if (rxf->rxf_id < 32)
943 bm[0] = 1 << rxf->rxf_id;
944 else
945 bm[1] = 1 << (rxf->rxf_id - 32);
946
947 bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RX_REQ, 0);
948 ll_req.rxf_id_mask[0] = htonl(bm[0]);
949 ll_req.rxf_id_mask[1] = htonl(bm[1]);
950 ll_req.enable = 0;
951
952 bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req),
953 rxf_cb_disabled, rxf);
954
955 bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
956}
957
958static void
959__rxf_config_set(struct bna_rxf *rxf)
960{
961 u32 i;
962 struct bna_rss_mem *rss_mem;
963 struct bna_rx_fndb_ram *rx_fndb_ram;
964 struct bna *bna = rxf->rx->bna;
965 void __iomem *base_addr;
966 unsigned long off;
967
968 base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
969 RSS_TABLE_BASE_OFFSET);
970
971 rss_mem = (struct bna_rss_mem *)0;
972
973 /* Configure RSS if required */
974 if (rxf->ctrl_flags & BNA_RXF_CF_RSS_ENABLE) {
975 /* configure RSS Table */
976 writel(BNA_GET_PAGE_NUM(RAD0_MEM_BLK_BASE_PG_NUM +
977 bna->port_num, RSS_TABLE_BASE_OFFSET),
978 bna->regs.page_addr);
979
980 /* temporarily disable RSS, while hash value is written */
981 off = (unsigned long)&rss_mem[0].type_n_hash;
982 writel(0, base_addr + off);
983
984 for (i = 0; i < BFI_RSS_HASH_KEY_LEN; i++) {
985 off = (unsigned long)
986 &rss_mem[0].hash_key[(BFI_RSS_HASH_KEY_LEN - 1) - i];
987 writel(htonl(rxf->rss_cfg.toeplitz_hash_key[i]),
988 base_addr + off);
989 }
990
991 off = (unsigned long)&rss_mem[0].type_n_hash;
992 writel(rxf->rss_cfg.hash_type | rxf->rss_cfg.hash_mask,
993 base_addr + off);
994 }
995
996 /* Configure RxF */
997 writel(BNA_GET_PAGE_NUM(
998 LUT0_MEM_BLK_BASE_PG_NUM + (bna->port_num * 2),
999 RX_FNDB_RAM_BASE_OFFSET),
1000 bna->regs.page_addr);
1001
1002 base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
1003 RX_FNDB_RAM_BASE_OFFSET);
1004
1005 rx_fndb_ram = (struct bna_rx_fndb_ram *)0;
1006
1007 /* We always use RSS table 0 */
1008 off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].rss_prop;
1009 writel(rxf->ctrl_flags & BNA_RXF_CF_RSS_ENABLE,
1010 base_addr + off);
1011
1012 /* small large buffer enable/disable */
1013 off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].size_routing_props;
1014 writel((rxf->ctrl_flags & BNA_RXF_CF_SM_LG_RXQ) | 0x80,
1015 base_addr + off);
1016
1017 /* RIT offset, HDS forced offset, multicast RxQ Id */
1018 off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].rit_hds_mcastq;
1019 writel((rxf->rit_segment->rit_offset << 16) |
1020 (rxf->forced_offset << 8) |
1021 (rxf->hds_cfg.hdr_type & BNA_HDS_FORCED) | rxf->mcast_rxq_id,
1022 base_addr + off);
1023
1024 /*
1025 * default vlan tag, default function enable, strip vlan bytes,
1026 * HDS type, header size
1027 */
1028
1029 off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].control_flags;
1030 writel(((u32)rxf->default_vlan_tag << 16) |
1031 (rxf->ctrl_flags &
1032 (BNA_RXF_CF_DEFAULT_VLAN |
1033 BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE |
1034 BNA_RXF_CF_VLAN_STRIP)) |
1035 (rxf->hds_cfg.hdr_type & ~BNA_HDS_FORCED) |
1036 rxf->hds_cfg.header_size,
1037 base_addr + off);
1038}
1039
1040void
1041__rxf_vlan_filter_set(struct bna_rxf *rxf, enum bna_status status)
1042{
1043 struct bna *bna = rxf->rx->bna;
1044 int i;
1045
1046 writel(BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM +
1047 (bna->port_num * 2), VLAN_RAM_BASE_OFFSET),
1048 bna->regs.page_addr);
1049
1050 if (status == BNA_STATUS_T_ENABLED) {
1051 /* enable VLAN filtering on this function */
1052 for (i = 0; i <= BFI_MAX_VLAN / 32; i++) {
1053 writel(rxf->vlan_filter_table[i],
1054 BNA_GET_VLAN_MEM_ENTRY_ADDR
1055 (bna->pcidev.pci_bar_kva, rxf->rxf_id,
1056 i * 32));
1057 }
1058 } else {
1059 /* disable VLAN filtering on this function */
1060 for (i = 0; i <= BFI_MAX_VLAN / 32; i++) {
1061 writel(0xffffffff,
1062 BNA_GET_VLAN_MEM_ENTRY_ADDR
1063 (bna->pcidev.pci_bar_kva, rxf->rxf_id,
1064 i * 32));
1065 }
1066 }
1067}
1068
1069static void
1070__rxf_rit_set(struct bna_rxf *rxf)
1071{
1072 struct bna *bna = rxf->rx->bna;
1073 struct bna_rit_mem *rit_mem;
1074 int i;
1075 void __iomem *base_addr;
1076 unsigned long off;
1077
1078 base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
1079 FUNCTION_TO_RXQ_TRANSLATE);
1080
1081 rit_mem = (struct bna_rit_mem *)0;
1082
1083 writel(BNA_GET_PAGE_NUM(RXA0_MEM_BLK_BASE_PG_NUM + bna->port_num,
1084 FUNCTION_TO_RXQ_TRANSLATE),
1085 bna->regs.page_addr);
1086
1087 for (i = 0; i < rxf->rit_segment->rit_size; i++) {
1088 off = (unsigned long)&rit_mem[i + rxf->rit_segment->rit_offset];
1089 writel(rxf->rit_segment->rit[i].large_rxq_id << 6 |
1090 rxf->rit_segment->rit[i].small_rxq_id,
1091 base_addr + off);
1092 }
1093}
1094
1095static void
1096__bna_rxf_stat_clr(struct bna_rxf *rxf)
1097{
1098 struct bfi_ll_stats_req ll_req;
1099 u32 bm[2] = {0, 0};
1100
1101 if (rxf->rxf_id < 32)
1102 bm[0] = 1 << rxf->rxf_id;
1103 else
1104 bm[1] = 1 << (rxf->rxf_id - 32);
1105
1106 bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0);
1107 ll_req.stats_mask = 0;
1108 ll_req.txf_id_mask[0] = 0;
1109 ll_req.txf_id_mask[1] = 0;
1110
1111 ll_req.rxf_id_mask[0] = htonl(bm[0]);
1112 ll_req.rxf_id_mask[1] = htonl(bm[1]);
1113
1114 bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req),
1115 bna_rxf_cb_stats_cleared, rxf);
1116 bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
1117}
1118
1119static void
1120rxf_enable(struct bna_rxf *rxf)
1121{
1122 if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED)
1123 bfa_fsm_send_event(rxf, RXF_E_STARTED);
1124 else {
1125 rxf->rxf_flags |= BNA_RXF_FL_RXF_ENABLED;
1126 __rxf_enable(rxf);
1127 }
1128}
1129
1130static void
1131rxf_cb_enabled(void *arg, int status)
1132{
1133 struct bna_rxf *rxf = (struct bna_rxf *)arg;
1134
1135 bfa_q_qe_init(&rxf->mbox_qe.qe);
1136 bfa_fsm_send_event(rxf, RXF_E_STARTED);
1137}
1138
1139static void
1140rxf_disable(struct bna_rxf *rxf)
1141{
1142 if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED)
1143 bfa_fsm_send_event(rxf, RXF_E_STOPPED);
1144 else
1145 rxf->rxf_flags &= ~BNA_RXF_FL_RXF_ENABLED;
1146 __rxf_disable(rxf);
1147}
1148
1149static void
1150rxf_cb_disabled(void *arg, int status)
1151{
1152 struct bna_rxf *rxf = (struct bna_rxf *)arg;
1153
1154 bfa_q_qe_init(&rxf->mbox_qe.qe);
1155 bfa_fsm_send_event(rxf, RXF_E_STOPPED);
1156}
1157
1158void
1159rxf_cb_cam_fltr_mbox_cmd(void *arg, int status)
1160{
1161 struct bna_rxf *rxf = (struct bna_rxf *)arg;
1162
1163 bfa_q_qe_init(&rxf->mbox_qe.qe);
1164
1165 bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_RESP);
1166}
1167
1168static void
1169bna_rxf_cb_stats_cleared(void *arg, int status)
1170{
1171 struct bna_rxf *rxf = (struct bna_rxf *)arg;
1172
1173 bfa_q_qe_init(&rxf->mbox_qe.qe);
1174 bfa_fsm_send_event(rxf, RXF_E_STAT_CLEARED);
1175}
1176
1177void
1178rxf_cam_mbox_cmd(struct bna_rxf *rxf, u8 cmd,
1179 const struct bna_mac *mac_addr)
1180{
1181 struct bfi_ll_mac_addr_req req;
1182
1183 bfi_h2i_set(req.mh, BFI_MC_LL, cmd, 0);
1184
1185 req.rxf_id = rxf->rxf_id;
1186 memcpy(&req.mac_addr, (void *)&mac_addr->addr, ETH_ALEN);
1187
1188 bna_mbox_qe_fill(&rxf->mbox_qe, &req, sizeof(req),
1189 rxf_cb_cam_fltr_mbox_cmd, rxf);
1190
1191 bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
1192}
1193
1194static int
1195rxf_process_packet_filter_mcast(struct bna_rxf *rxf)
1196{
1197 struct bna_mac *mac = NULL;
1198 struct list_head *qe;
1199
1200 /* Add multicast entries */
1201 if (!list_empty(&rxf->mcast_pending_add_q)) {
1202 bfa_q_deq(&rxf->mcast_pending_add_q, &qe);
1203 bfa_q_qe_init(qe);
1204 mac = (struct bna_mac *)qe;
1205 rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_ADD_REQ, mac);
1206 list_add_tail(&mac->qe, &rxf->mcast_active_q);
1207 return 1;
1208 }
1209
1210 /* Delete multicast entries previousely added */
1211 if (!list_empty(&rxf->mcast_pending_del_q)) {
1212 bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
1213 bfa_q_qe_init(qe);
1214 mac = (struct bna_mac *)qe;
1215 rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac);
1216 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
1217 return 1;
1218 }
1219
1220 return 0;
1221}
1222
1223static int
1224rxf_process_packet_filter_vlan(struct bna_rxf *rxf)
1225{
1226 /* Apply the VLAN filter */
1227 if (rxf->rxf_flags & BNA_RXF_FL_VLAN_CONFIG_PENDING) {
1228 rxf->rxf_flags &= ~BNA_RXF_FL_VLAN_CONFIG_PENDING;
1229 if (!(rxf->rxmode_active & BNA_RXMODE_PROMISC))
1230 __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status);
1231 }
1232
1233 /* Apply RSS configuration */
1234 if (rxf->rxf_flags & BNA_RXF_FL_RSS_CONFIG_PENDING) {
1235 rxf->rxf_flags &= ~BNA_RXF_FL_RSS_CONFIG_PENDING;
1236 if (rxf->rss_status == BNA_STATUS_T_DISABLED) {
1237 /* RSS is being disabled */
1238 rxf->ctrl_flags &= ~BNA_RXF_CF_RSS_ENABLE;
1239 __rxf_rit_set(rxf);
1240 __rxf_config_set(rxf);
1241 } else {
1242 /* RSS is being enabled or reconfigured */
1243 rxf->ctrl_flags |= BNA_RXF_CF_RSS_ENABLE;
1244 __rxf_rit_set(rxf);
1245 __rxf_config_set(rxf);
1246 }
1247 }
1248
1249 return 0;
1250}
1251
1252/**
1253 * Processes pending ucast, mcast entry addition/deletion and issues mailbox
1254 * command. Also processes pending filter configuration - promiscuous mode,
1255 * default mode, allmutli mode and issues mailbox command or directly applies
1256 * to h/w
1257 */
1258static int
1259rxf_process_packet_filter(struct bna_rxf *rxf)
1260{
1261 /* Set the default MAC first */
1262 if (rxf->ucast_pending_set > 0) {
1263 rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_SET_REQ,
1264 rxf->ucast_active_mac);
1265 rxf->ucast_pending_set--;
1266 return 1;
1267 }
1268
1269 if (rxf_process_packet_filter_ucast(rxf))
1270 return 1;
1271
1272 if (rxf_process_packet_filter_mcast(rxf))
1273 return 1;
1274
1275 if (rxf_process_packet_filter_promisc(rxf))
1276 return 1;
1277
1278 if (rxf_process_packet_filter_allmulti(rxf))
1279 return 1;
1280
1281 if (rxf_process_packet_filter_vlan(rxf))
1282 return 1;
1283
1284 return 0;
1285}
1286
1287static int
1288rxf_clear_packet_filter_mcast(struct bna_rxf *rxf)
1289{
1290 struct bna_mac *mac = NULL;
1291 struct list_head *qe;
1292
1293 /* 3. delete pending mcast entries */
1294 if (!list_empty(&rxf->mcast_pending_del_q)) {
1295 bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
1296 bfa_q_qe_init(qe);
1297 mac = (struct bna_mac *)qe;
1298 rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac);
1299 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
1300 return 1;
1301 }
1302
1303 /* 4. clear active mcast entries; move them to pending_add_q */
1304 if (!list_empty(&rxf->mcast_active_q)) {
1305 bfa_q_deq(&rxf->mcast_active_q, &qe);
1306 bfa_q_qe_init(qe);
1307 mac = (struct bna_mac *)qe;
1308 rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac);
1309 list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
1310 return 1;
1311 }
1312
1313 return 0;
1314}
1315
1316/**
1317 * In the rxf stop path, processes pending ucast/mcast delete queue and issues
1318 * the mailbox command. Moves the active ucast/mcast entries to pending add q,
1319 * so that they are added to CAM again in the rxf start path. Moves the current
1320 * filter settings - promiscuous, default, allmutli - to pending filter
1321 * configuration
1322 */
1323static int
1324rxf_clear_packet_filter(struct bna_rxf *rxf)
1325{
1326 if (rxf_clear_packet_filter_ucast(rxf))
1327 return 1;
1328
1329 if (rxf_clear_packet_filter_mcast(rxf))
1330 return 1;
1331
1332 /* 5. clear active default MAC in the CAM */
1333 if (rxf->ucast_pending_set > 0)
1334 rxf->ucast_pending_set = 0;
1335
1336 if (rxf_clear_packet_filter_promisc(rxf))
1337 return 1;
1338
1339 if (rxf_clear_packet_filter_allmulti(rxf))
1340 return 1;
1341
1342 return 0;
1343}
1344
1345static void
1346rxf_reset_packet_filter_mcast(struct bna_rxf *rxf)
1347{
1348 struct list_head *qe;
1349 struct bna_mac *mac;
1350
1351 /* 3. Move active mcast entries to pending_add_q */
1352 while (!list_empty(&rxf->mcast_active_q)) {
1353 bfa_q_deq(&rxf->mcast_active_q, &qe);
1354 bfa_q_qe_init(qe);
1355 list_add_tail(qe, &rxf->mcast_pending_add_q);
1356 }
1357
1358 /* 4. Throw away delete pending mcast entries */
1359 while (!list_empty(&rxf->mcast_pending_del_q)) {
1360 bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
1361 bfa_q_qe_init(qe);
1362 mac = (struct bna_mac *)qe;
1363 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
1364 }
1365}
1366
1367/**
1368 * In the rxf fail path, throws away the ucast/mcast entries pending for
1369 * deletion, moves all active ucast/mcast entries to pending queue so that
1370 * they are added back to CAM in the rxf start path. Also moves the current
1371 * filter configuration to pending filter configuration.
1372 */
1373static void
1374rxf_reset_packet_filter(struct bna_rxf *rxf)
1375{
1376 rxf_reset_packet_filter_ucast(rxf);
1377
1378 rxf_reset_packet_filter_mcast(rxf);
1379
1380 /* 5. Turn off ucast set flag */
1381 rxf->ucast_pending_set = 0;
1382
1383 rxf_reset_packet_filter_promisc(rxf);
1384
1385 rxf_reset_packet_filter_allmulti(rxf);
1386}
1387
1388static void
1389bna_rxf_init(struct bna_rxf *rxf,
1390 struct bna_rx *rx,
1391 struct bna_rx_config *q_config)
1392{
1393 struct list_head *qe;
1394 struct bna_rxp *rxp;
1395
1396 /* rxf_id is initialized during rx_mod init */
1397 rxf->rx = rx;
1398
1399 INIT_LIST_HEAD(&rxf->ucast_pending_add_q);
1400 INIT_LIST_HEAD(&rxf->ucast_pending_del_q);
1401 rxf->ucast_pending_set = 0;
1402 INIT_LIST_HEAD(&rxf->ucast_active_q);
1403 rxf->ucast_active_mac = NULL;
1404
1405 INIT_LIST_HEAD(&rxf->mcast_pending_add_q);
1406 INIT_LIST_HEAD(&rxf->mcast_pending_del_q);
1407 INIT_LIST_HEAD(&rxf->mcast_active_q);
1408
1409 bfa_q_qe_init(&rxf->mbox_qe.qe);
1410
1411 if (q_config->vlan_strip_status == BNA_STATUS_T_ENABLED)
1412 rxf->ctrl_flags |= BNA_RXF_CF_VLAN_STRIP;
1413
1414 rxf->rxf_oper_state = (q_config->paused) ?
1415 BNA_RXF_OPER_STATE_PAUSED : BNA_RXF_OPER_STATE_RUNNING;
1416
1417 bna_rxf_adv_init(rxf, rx, q_config);
1418
1419 rxf->rit_segment = bna_rit_mod_seg_get(&rxf->rx->bna->rit_mod,
1420 q_config->num_paths);
1421
1422 list_for_each(qe, &rx->rxp_q) {
1423 rxp = (struct bna_rxp *)qe;
1424 if (q_config->rxp_type == BNA_RXP_SINGLE)
1425 rxf->mcast_rxq_id = rxp->rxq.single.only->rxq_id;
1426 else
1427 rxf->mcast_rxq_id = rxp->rxq.slr.large->rxq_id;
1428 break;
1429 }
1430
1431 rxf->vlan_filter_status = BNA_STATUS_T_DISABLED;
1432 memset(rxf->vlan_filter_table, 0,
1433 (sizeof(u32) * ((BFI_MAX_VLAN + 1) / 32)));
1434
1435 /* Set up VLAN 0 for pure priority tagged packets */
1436 rxf->vlan_filter_table[0] |= 1;
1437
1438 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
1439}
1440
1441static void
1442bna_rxf_uninit(struct bna_rxf *rxf)
1443{
1444 struct bna *bna = rxf->rx->bna;
1445 struct bna_mac *mac;
1446
1447 bna_rit_mod_seg_put(&rxf->rx->bna->rit_mod, rxf->rit_segment);
1448 rxf->rit_segment = NULL;
1449
1450 rxf->ucast_pending_set = 0;
1451
1452 while (!list_empty(&rxf->ucast_pending_add_q)) {
1453 bfa_q_deq(&rxf->ucast_pending_add_q, &mac);
1454 bfa_q_qe_init(&mac->qe);
1455 bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
1456 }
1457
1458 if (rxf->ucast_active_mac) {
1459 bfa_q_qe_init(&rxf->ucast_active_mac->qe);
1460 bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod,
1461 rxf->ucast_active_mac);
1462 rxf->ucast_active_mac = NULL;
1463 }
1464
1465 while (!list_empty(&rxf->mcast_pending_add_q)) {
1466 bfa_q_deq(&rxf->mcast_pending_add_q, &mac);
1467 bfa_q_qe_init(&mac->qe);
1468 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
1469 }
1470
1471 /* Turn off pending promisc mode */
1472 if (is_promisc_enable(rxf->rxmode_pending,
1473 rxf->rxmode_pending_bitmask)) {
1474 /* system promisc state should be pending */
1475 BUG_ON(!(bna->rxf_promisc_id == rxf->rxf_id));
1476 promisc_inactive(rxf->rxmode_pending,
1477 rxf->rxmode_pending_bitmask);
1478 bna->rxf_promisc_id = BFI_MAX_RXF;
1479 }
1480 /* Promisc mode should not be active */
1481 BUG_ON(rxf->rxmode_active & BNA_RXMODE_PROMISC);
1482
1483 /* Turn off pending all-multi mode */
1484 if (is_allmulti_enable(rxf->rxmode_pending,
1485 rxf->rxmode_pending_bitmask)) {
1486 allmulti_inactive(rxf->rxmode_pending,
1487 rxf->rxmode_pending_bitmask);
1488 }
1489 /* Allmulti mode should not be active */
1490 BUG_ON(rxf->rxmode_active & BNA_RXMODE_ALLMULTI);
1491
1492 rxf->rx = NULL;
1493}
1494
1495static void
1496bna_rx_cb_rxf_started(struct bna_rx *rx, enum bna_cb_status status)
1497{
1498 bfa_fsm_send_event(rx, RX_E_RXF_STARTED);
1499 if (rx->rxf.rxf_id < 32)
1500 rx->bna->rx_mod.rxf_bmap[0] |= ((u32)1 << rx->rxf.rxf_id);
1501 else
1502 rx->bna->rx_mod.rxf_bmap[1] |= ((u32)
1503 1 << (rx->rxf.rxf_id - 32));
1504}
1505
1506static void
1507bna_rxf_start(struct bna_rxf *rxf)
1508{
1509 rxf->start_cbfn = bna_rx_cb_rxf_started;
1510 rxf->start_cbarg = rxf->rx;
1511 rxf->rxf_flags &= ~BNA_RXF_FL_FAILED;
1512 bfa_fsm_send_event(rxf, RXF_E_START);
1513}
1514
1515static void
1516bna_rx_cb_rxf_stopped(struct bna_rx *rx, enum bna_cb_status status)
1517{
1518 bfa_fsm_send_event(rx, RX_E_RXF_STOPPED);
1519 if (rx->rxf.rxf_id < 32)
1520 rx->bna->rx_mod.rxf_bmap[0] &= ~(u32)1 << rx->rxf.rxf_id;
1521 else
1522 rx->bna->rx_mod.rxf_bmap[1] &= ~(u32)
1523 1 << (rx->rxf.rxf_id - 32);
1524}
1525
1526static void
1527bna_rxf_stop(struct bna_rxf *rxf)
1528{
1529 rxf->stop_cbfn = bna_rx_cb_rxf_stopped;
1530 rxf->stop_cbarg = rxf->rx;
1531 bfa_fsm_send_event(rxf, RXF_E_STOP);
1532}
1533
1534static void
1535bna_rxf_fail(struct bna_rxf *rxf)
1536{
1537 rxf->rxf_flags |= BNA_RXF_FL_FAILED;
1538 bfa_fsm_send_event(rxf, RXF_E_FAIL);
1539}
1540
1541int
1542bna_rxf_state_get(struct bna_rxf *rxf)
1543{
1544 return bfa_sm_to_state(rxf_sm_table, rxf->fsm);
1545}
1546
1547enum bna_cb_status
1548bna_rx_ucast_set(struct bna_rx *rx, u8 *ucmac,
1549 void (*cbfn)(struct bnad *, struct bna_rx *,
1550 enum bna_cb_status))
1551{
1552 struct bna_rxf *rxf = &rx->rxf;
1553
1554 if (rxf->ucast_active_mac == NULL) {
1555 rxf->ucast_active_mac =
1556 bna_ucam_mod_mac_get(&rxf->rx->bna->ucam_mod);
1557 if (rxf->ucast_active_mac == NULL)
1558 return BNA_CB_UCAST_CAM_FULL;
1559 bfa_q_qe_init(&rxf->ucast_active_mac->qe);
1560 }
1561
1562 memcpy(rxf->ucast_active_mac->addr, ucmac, ETH_ALEN);
1563 rxf->ucast_pending_set++;
1564 rxf->cam_fltr_cbfn = cbfn;
1565 rxf->cam_fltr_cbarg = rx->bna->bnad;
1566
1567 bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
1568
1569 return BNA_CB_SUCCESS;
1570}
1571
1572enum bna_cb_status
1573bna_rx_mcast_add(struct bna_rx *rx, u8 *addr,
1574 void (*cbfn)(struct bnad *, struct bna_rx *,
1575 enum bna_cb_status))
1576{
1577 struct bna_rxf *rxf = &rx->rxf;
1578 struct list_head *qe;
1579 struct bna_mac *mac;
1580
1581 /* Check if already added */
1582 list_for_each(qe, &rxf->mcast_active_q) {
1583 mac = (struct bna_mac *)qe;
1584 if (BNA_MAC_IS_EQUAL(mac->addr, addr)) {
1585 if (cbfn)
1586 (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
1587 return BNA_CB_SUCCESS;
1588 }
1589 }
1590
1591 /* Check if pending addition */
1592 list_for_each(qe, &rxf->mcast_pending_add_q) {
1593 mac = (struct bna_mac *)qe;
1594 if (BNA_MAC_IS_EQUAL(mac->addr, addr)) {
1595 if (cbfn)
1596 (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
1597 return BNA_CB_SUCCESS;
1598 }
1599 }
1600
1601 mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod);
1602 if (mac == NULL)
1603 return BNA_CB_MCAST_LIST_FULL;
1604 bfa_q_qe_init(&mac->qe);
1605 memcpy(mac->addr, addr, ETH_ALEN);
1606 list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
1607
1608 rxf->cam_fltr_cbfn = cbfn;
1609 rxf->cam_fltr_cbarg = rx->bna->bnad;
1610
1611 bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
1612
1613 return BNA_CB_SUCCESS;
1614}
1615
1616enum bna_cb_status
1617bna_rx_mcast_listset(struct bna_rx *rx, int count, u8 *mclist,
1618 void (*cbfn)(struct bnad *, struct bna_rx *,
1619 enum bna_cb_status))
1620{
1621 struct bna_rxf *rxf = &rx->rxf;
1622 struct list_head list_head;
1623 struct list_head *qe;
1624 u8 *mcaddr;
1625 struct bna_mac *mac;
1626 struct bna_mac *mac1;
1627 int skip;
1628 int delete;
1629 int need_hw_config = 0;
1630 int i;
1631
1632 /* Allocate nodes */
1633 INIT_LIST_HEAD(&list_head);
1634 for (i = 0, mcaddr = mclist; i < count; i++) {
1635 mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod);
1636 if (mac == NULL)
1637 goto err_return;
1638 bfa_q_qe_init(&mac->qe);
1639 memcpy(mac->addr, mcaddr, ETH_ALEN);
1640 list_add_tail(&mac->qe, &list_head);
1641
1642 mcaddr += ETH_ALEN;
1643 }
1644
1645 /* Schedule for addition */
1646 while (!list_empty(&list_head)) {
1647 bfa_q_deq(&list_head, &qe);
1648 mac = (struct bna_mac *)qe;
1649 bfa_q_qe_init(&mac->qe);
1650
1651 skip = 0;
1652
1653 /* Skip if already added */
1654 list_for_each(qe, &rxf->mcast_active_q) {
1655 mac1 = (struct bna_mac *)qe;
1656 if (BNA_MAC_IS_EQUAL(mac1->addr, mac->addr)) {
1657 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod,
1658 mac);
1659 skip = 1;
1660 break;
1661 }
1662 }
1663
1664 if (skip)
1665 continue;
1666
1667 /* Skip if pending addition */
1668 list_for_each(qe, &rxf->mcast_pending_add_q) {
1669 mac1 = (struct bna_mac *)qe;
1670 if (BNA_MAC_IS_EQUAL(mac1->addr, mac->addr)) {
1671 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod,
1672 mac);
1673 skip = 1;
1674 break;
1675 }
1676 }
1677
1678 if (skip)
1679 continue;
1680
1681 need_hw_config = 1;
1682 list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
1683 }
1684
1685 /**
1686 * Delete the entries that are in the pending_add_q but not
1687 * in the new list
1688 */
1689 while (!list_empty(&rxf->mcast_pending_add_q)) {
1690 bfa_q_deq(&rxf->mcast_pending_add_q, &qe);
1691 mac = (struct bna_mac *)qe;
1692 bfa_q_qe_init(&mac->qe);
1693 for (i = 0, mcaddr = mclist, delete = 1; i < count; i++) {
1694 if (BNA_MAC_IS_EQUAL(mcaddr, mac->addr)) {
1695 delete = 0;
1696 break;
1697 }
1698 mcaddr += ETH_ALEN;
1699 }
1700 if (delete)
1701 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
1702 else
1703 list_add_tail(&mac->qe, &list_head);
1704 }
1705 while (!list_empty(&list_head)) {
1706 bfa_q_deq(&list_head, &qe);
1707 mac = (struct bna_mac *)qe;
1708 bfa_q_qe_init(&mac->qe);
1709 list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
1710 }
1711
1712 /**
1713 * Schedule entries for deletion that are in the active_q but not
1714 * in the new list
1715 */
1716 while (!list_empty(&rxf->mcast_active_q)) {
1717 bfa_q_deq(&rxf->mcast_active_q, &qe);
1718 mac = (struct bna_mac *)qe;
1719 bfa_q_qe_init(&mac->qe);
1720 for (i = 0, mcaddr = mclist, delete = 1; i < count; i++) {
1721 if (BNA_MAC_IS_EQUAL(mcaddr, mac->addr)) {
1722 delete = 0;
1723 break;
1724 }
1725 mcaddr += ETH_ALEN;
1726 }
1727 if (delete) {
1728 list_add_tail(&mac->qe, &rxf->mcast_pending_del_q);
1729 need_hw_config = 1;
1730 } else {
1731 list_add_tail(&mac->qe, &list_head);
1732 }
1733 }
1734 while (!list_empty(&list_head)) {
1735 bfa_q_deq(&list_head, &qe);
1736 mac = (struct bna_mac *)qe;
1737 bfa_q_qe_init(&mac->qe);
1738 list_add_tail(&mac->qe, &rxf->mcast_active_q);
1739 }
1740
1741 if (need_hw_config) {
1742 rxf->cam_fltr_cbfn = cbfn;
1743 rxf->cam_fltr_cbarg = rx->bna->bnad;
1744 bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
1745 } else if (cbfn)
1746 (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
1747
1748 return BNA_CB_SUCCESS;
1749
1750err_return:
1751 while (!list_empty(&list_head)) {
1752 bfa_q_deq(&list_head, &qe);
1753 mac = (struct bna_mac *)qe;
1754 bfa_q_qe_init(&mac->qe);
1755 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
1756 }
1757
1758 return BNA_CB_MCAST_LIST_FULL;
1759}
1760
1761void
1762bna_rx_vlan_add(struct bna_rx *rx, int vlan_id)
1763{
1764 struct bna_rxf *rxf = &rx->rxf;
1765 int index = (vlan_id >> 5);
1766 int bit = (1 << (vlan_id & 0x1F));
1767
1768 rxf->vlan_filter_table[index] |= bit;
1769 if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
1770 rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
1771 bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
1772 }
1773}
1774
1775void
1776bna_rx_vlan_del(struct bna_rx *rx, int vlan_id)
1777{
1778 struct bna_rxf *rxf = &rx->rxf;
1779 int index = (vlan_id >> 5);
1780 int bit = (1 << (vlan_id & 0x1F));
1781
1782 rxf->vlan_filter_table[index] &= ~bit;
1783 if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
1784 rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
1785 bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
1786 }
1787}
1788
1789/**
1790 * RX
1791 */
1792#define RXQ_RCB_INIT(q, rxp, qdepth, bna, _id, unmapq_mem) do { \
1793 struct bna_doorbell_qset *_qset; \
1794 unsigned long off; \
1795 (q)->rcb->producer_index = (q)->rcb->consumer_index = 0; \
1796 (q)->rcb->q_depth = (qdepth); \
1797 (q)->rcb->unmap_q = unmapq_mem; \
1798 (q)->rcb->rxq = (q); \
1799 (q)->rcb->cq = &(rxp)->cq; \
1800 (q)->rcb->bnad = (bna)->bnad; \
1801 _qset = (struct bna_doorbell_qset *)0; \
1802 off = (unsigned long)&_qset[(q)->rxq_id].rxq[0]; \
1803 (q)->rcb->q_dbell = off + \
1804 BNA_GET_DOORBELL_BASE_ADDR((bna)->pcidev.pci_bar_kva); \
1805 (q)->rcb->id = _id; \
1806} while (0)
1807
1808#define BNA_GET_RXQS(qcfg) (((qcfg)->rxp_type == BNA_RXP_SINGLE) ? \
1809 (qcfg)->num_paths : ((qcfg)->num_paths * 2))
1810
1811#define SIZE_TO_PAGES(size) (((size) >> PAGE_SHIFT) + ((((size) &\
1812 (PAGE_SIZE - 1)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT))
1813
1814#define call_rx_stop_callback(rx, status) \
1815 if ((rx)->stop_cbfn) { \
1816 (*(rx)->stop_cbfn)((rx)->stop_cbarg, rx, (status)); \
1817 (rx)->stop_cbfn = NULL; \
1818 (rx)->stop_cbarg = NULL; \
1819 }
1820
1821/*
1822 * Since rx_enable is synchronous callback, there is no start_cbfn required.
1823 * Instead, we'll call bnad_rx_post(rxp) so that bnad can post the buffers
1824 * for each rxpath.
1825 */
1826
1827#define call_rx_disable_cbfn(rx, status) \
1828 if ((rx)->disable_cbfn) { \
1829 (*(rx)->disable_cbfn)((rx)->disable_cbarg, \
1830 status); \
1831 (rx)->disable_cbfn = NULL; \
1832 (rx)->disable_cbarg = NULL; \
1833 } \
1834
1835#define rxqs_reqd(type, num_rxqs) \
1836 (((type) == BNA_RXP_SINGLE) ? (num_rxqs) : ((num_rxqs) * 2))
1837
1838#define rx_ib_fail(rx) \
1839do { \
1840 struct bna_rxp *rxp; \
1841 struct list_head *qe; \
1842 list_for_each(qe, &(rx)->rxp_q) { \
1843 rxp = (struct bna_rxp *)qe; \
1844 bna_ib_fail(rxp->cq.ib); \
1845 } \
1846} while (0)
1847
1848static void __bna_multi_rxq_stop(struct bna_rxp *, u32 *);
1849static void __bna_rxq_start(struct bna_rxq *rxq);
1850static void __bna_cq_start(struct bna_cq *cq);
1851static void bna_rit_create(struct bna_rx *rx);
1852static void bna_rx_cb_multi_rxq_stopped(void *arg, int status);
1853static void bna_rx_cb_rxq_stopped_all(void *arg);
1854
1855bfa_fsm_state_decl(bna_rx, stopped,
1856 struct bna_rx, enum bna_rx_event);
1857bfa_fsm_state_decl(bna_rx, rxf_start_wait,
1858 struct bna_rx, enum bna_rx_event);
1859bfa_fsm_state_decl(bna_rx, started,
1860 struct bna_rx, enum bna_rx_event);
1861bfa_fsm_state_decl(bna_rx, rxf_stop_wait,
1862 struct bna_rx, enum bna_rx_event);
1863bfa_fsm_state_decl(bna_rx, rxq_stop_wait,
1864 struct bna_rx, enum bna_rx_event);
1865
1866static const struct bfa_sm_table rx_sm_table[] = {
1867 {BFA_SM(bna_rx_sm_stopped), BNA_RX_STOPPED},
1868 {BFA_SM(bna_rx_sm_rxf_start_wait), BNA_RX_RXF_START_WAIT},
1869 {BFA_SM(bna_rx_sm_started), BNA_RX_STARTED},
1870 {BFA_SM(bna_rx_sm_rxf_stop_wait), BNA_RX_RXF_STOP_WAIT},
1871 {BFA_SM(bna_rx_sm_rxq_stop_wait), BNA_RX_RXQ_STOP_WAIT},
1872};
1873
1874static void bna_rx_sm_stopped_entry(struct bna_rx *rx)
1875{
1876 struct bna_rxp *rxp;
1877 struct list_head *qe_rxp;
1878
1879 list_for_each(qe_rxp, &rx->rxp_q) {
1880 rxp = (struct bna_rxp *)qe_rxp;
1881 rx->rx_cleanup_cbfn(rx->bna->bnad, rxp->cq.ccb);
1882 }
1883
1884 call_rx_stop_callback(rx, BNA_CB_SUCCESS);
1885}
1886
1887static void bna_rx_sm_stopped(struct bna_rx *rx,
1888 enum bna_rx_event event)
1889{
1890 switch (event) {
1891 case RX_E_START:
1892 bfa_fsm_set_state(rx, bna_rx_sm_rxf_start_wait);
1893 break;
1894 case RX_E_STOP:
1895 call_rx_stop_callback(rx, BNA_CB_SUCCESS);
1896 break;
1897 case RX_E_FAIL:
1898 /* no-op */
1899 break;
1900 default:
1901 bfa_sm_fault(event);
1902 break;
1903 }
1904
1905}
1906
1907static void bna_rx_sm_rxf_start_wait_entry(struct bna_rx *rx)
1908{
1909 struct bna_rxp *rxp;
1910 struct list_head *qe_rxp;
1911 struct bna_rxq *q0 = NULL, *q1 = NULL;
1912
1913 /* Setup the RIT */
1914 bna_rit_create(rx);
1915
1916 list_for_each(qe_rxp, &rx->rxp_q) {
1917 rxp = (struct bna_rxp *)qe_rxp;
1918 bna_ib_start(rxp->cq.ib);
1919 GET_RXQS(rxp, q0, q1);
1920 q0->buffer_size = bna_port_mtu_get(&rx->bna->port);
1921 __bna_rxq_start(q0);
1922 rx->rx_post_cbfn(rx->bna->bnad, q0->rcb);
1923 if (q1) {
1924 __bna_rxq_start(q1);
1925 rx->rx_post_cbfn(rx->bna->bnad, q1->rcb);
1926 }
1927 __bna_cq_start(&rxp->cq);
1928 }
1929
1930 bna_rxf_start(&rx->rxf);
1931}
1932
1933static void bna_rx_sm_rxf_start_wait(struct bna_rx *rx,
1934 enum bna_rx_event event)
1935{
1936 switch (event) {
1937 case RX_E_STOP:
1938 bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
1939 break;
1940 case RX_E_FAIL:
1941 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
1942 rx_ib_fail(rx);
1943 bna_rxf_fail(&rx->rxf);
1944 break;
1945 case RX_E_RXF_STARTED:
1946 bfa_fsm_set_state(rx, bna_rx_sm_started);
1947 break;
1948 default:
1949 bfa_sm_fault(event);
1950 break;
1951 }
1952}
1953
1954void
1955bna_rx_sm_started_entry(struct bna_rx *rx)
1956{
1957 struct bna_rxp *rxp;
1958 struct list_head *qe_rxp;
1959
1960 /* Start IB */
1961 list_for_each(qe_rxp, &rx->rxp_q) {
1962 rxp = (struct bna_rxp *)qe_rxp;
1963 bna_ib_ack(&rxp->cq.ib->door_bell, 0);
1964 }
1965
1966 bna_llport_rx_started(&rx->bna->port.llport);
1967}
1968
1969void
1970bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event)
1971{
1972 switch (event) {
1973 case RX_E_FAIL:
1974 bna_llport_rx_stopped(&rx->bna->port.llport);
1975 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
1976 rx_ib_fail(rx);
1977 bna_rxf_fail(&rx->rxf);
1978 break;
1979 case RX_E_STOP:
1980 bna_llport_rx_stopped(&rx->bna->port.llport);
1981 bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
1982 break;
1983 default:
1984 bfa_sm_fault(event);
1985 break;
1986 }
1987}
1988
1989void
1990bna_rx_sm_rxf_stop_wait_entry(struct bna_rx *rx)
1991{
1992 bna_rxf_stop(&rx->rxf);
1993}
1994
1995void
1996bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
1997{
1998 switch (event) {
1999 case RX_E_RXF_STOPPED:
2000 bfa_fsm_set_state(rx, bna_rx_sm_rxq_stop_wait);
2001 break;
2002 case RX_E_RXF_STARTED:
2003 /**
2004 * RxF was in the process of starting up when
2005 * RXF_E_STOP was issued. Ignore this event
2006 */
2007 break;
2008 case RX_E_FAIL:
2009 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
2010 rx_ib_fail(rx);
2011 bna_rxf_fail(&rx->rxf);
2012 break;
2013 default:
2014 bfa_sm_fault(event);
2015 break;
2016 }
2017
2018}
2019
2020void
2021bna_rx_sm_rxq_stop_wait_entry(struct bna_rx *rx)
2022{
2023 struct bna_rxp *rxp = NULL;
2024 struct bna_rxq *q0 = NULL;
2025 struct bna_rxq *q1 = NULL;
2026 struct list_head *qe;
2027 u32 rxq_mask[2] = {0, 0};
2028
2029 /* Only one call to multi-rxq-stop for all RXPs in this RX */
2030 bfa_wc_up(&rx->rxq_stop_wc);
2031 list_for_each(qe, &rx->rxp_q) {
2032 rxp = (struct bna_rxp *)qe;
2033 GET_RXQS(rxp, q0, q1);
2034 if (q0->rxq_id < 32)
2035 rxq_mask[0] |= ((u32)1 << q0->rxq_id);
2036 else
2037 rxq_mask[1] |= ((u32)1 << (q0->rxq_id - 32));
2038 if (q1) {
2039 if (q1->rxq_id < 32)
2040 rxq_mask[0] |= ((u32)1 << q1->rxq_id);
2041 else
2042 rxq_mask[1] |= ((u32)
2043 1 << (q1->rxq_id - 32));
2044 }
2045 }
2046
2047 __bna_multi_rxq_stop(rxp, rxq_mask);
2048}
2049
2050void
2051bna_rx_sm_rxq_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
2052{
2053 struct bna_rxp *rxp = NULL;
2054 struct list_head *qe;
2055
2056 switch (event) {
2057 case RX_E_RXQ_STOPPED:
2058 list_for_each(qe, &rx->rxp_q) {
2059 rxp = (struct bna_rxp *)qe;
2060 bna_ib_stop(rxp->cq.ib);
2061 }
2062 /* Fall through */
2063 case RX_E_FAIL:
2064 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
2065 break;
2066 default:
2067 bfa_sm_fault(event);
2068 break;
2069 }
2070}
2071
2072void
2073__bna_multi_rxq_stop(struct bna_rxp *rxp, u32 * rxq_id_mask)
2074{
2075 struct bfi_ll_q_stop_req ll_req;
2076
2077 bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RXQ_STOP_REQ, 0);
2078 ll_req.q_id_mask[0] = htonl(rxq_id_mask[0]);
2079 ll_req.q_id_mask[1] = htonl(rxq_id_mask[1]);
2080 bna_mbox_qe_fill(&rxp->mbox_qe, &ll_req, sizeof(ll_req),
2081 bna_rx_cb_multi_rxq_stopped, rxp);
2082 bna_mbox_send(rxp->rx->bna, &rxp->mbox_qe);
2083}
2084
2085void
2086__bna_rxq_start(struct bna_rxq *rxq)
2087{
2088 struct bna_rxtx_q_mem *q_mem;
2089 struct bna_rxq_mem rxq_cfg, *rxq_mem;
2090 struct bna_dma_addr cur_q_addr;
2091 /* struct bna_doorbell_qset *qset; */
2092 struct bna_qpt *qpt;
2093 u32 pg_num;
2094 struct bna *bna = rxq->rx->bna;
2095 void __iomem *base_addr;
2096 unsigned long off;
2097
2098 qpt = &rxq->qpt;
2099 cur_q_addr = *((struct bna_dma_addr *)(qpt->kv_qpt_ptr));
2100
2101 rxq_cfg.pg_tbl_addr_lo = qpt->hw_qpt_ptr.lsb;
2102 rxq_cfg.pg_tbl_addr_hi = qpt->hw_qpt_ptr.msb;
2103 rxq_cfg.cur_q_entry_lo = cur_q_addr.lsb;
2104 rxq_cfg.cur_q_entry_hi = cur_q_addr.msb;
2105
2106 rxq_cfg.pg_cnt_n_prd_ptr = ((u32)qpt->page_count << 16) | 0x0;
2107 rxq_cfg.entry_n_pg_size = ((u32)(BFI_RXQ_WI_SIZE >> 2) << 16) |
2108 (qpt->page_size >> 2);
2109 rxq_cfg.sg_n_cq_n_cns_ptr =
2110 ((u32)(rxq->rxp->cq.cq_id & 0xff) << 16) | 0x0;
2111 rxq_cfg.buf_sz_n_q_state = ((u32)rxq->buffer_size << 16) |
2112 BNA_Q_IDLE_STATE;
2113 rxq_cfg.next_qid = 0x0 | (0x3 << 8);
2114
2115 /* Write the page number register */
2116 pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + bna->port_num,
2117 HQM_RXTX_Q_RAM_BASE_OFFSET);
2118 writel(pg_num, bna->regs.page_addr);
2119
2120 /* Write to h/w */
2121 base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
2122 HQM_RXTX_Q_RAM_BASE_OFFSET);
2123
2124 q_mem = (struct bna_rxtx_q_mem *)0;
2125 rxq_mem = &q_mem[rxq->rxq_id].rxq;
2126
2127 off = (unsigned long)&rxq_mem->pg_tbl_addr_lo;
2128 writel(htonl(rxq_cfg.pg_tbl_addr_lo), base_addr + off);
2129
2130 off = (unsigned long)&rxq_mem->pg_tbl_addr_hi;
2131 writel(htonl(rxq_cfg.pg_tbl_addr_hi), base_addr + off);
2132
2133 off = (unsigned long)&rxq_mem->cur_q_entry_lo;
2134 writel(htonl(rxq_cfg.cur_q_entry_lo), base_addr + off);
2135
2136 off = (unsigned long)&rxq_mem->cur_q_entry_hi;
2137 writel(htonl(rxq_cfg.cur_q_entry_hi), base_addr + off);
2138
2139 off = (unsigned long)&rxq_mem->pg_cnt_n_prd_ptr;
2140 writel(rxq_cfg.pg_cnt_n_prd_ptr, base_addr + off);
2141
2142 off = (unsigned long)&rxq_mem->entry_n_pg_size;
2143 writel(rxq_cfg.entry_n_pg_size, base_addr + off);
2144
2145 off = (unsigned long)&rxq_mem->sg_n_cq_n_cns_ptr;
2146 writel(rxq_cfg.sg_n_cq_n_cns_ptr, base_addr + off);
2147
2148 off = (unsigned long)&rxq_mem->buf_sz_n_q_state;
2149 writel(rxq_cfg.buf_sz_n_q_state, base_addr + off);
2150
2151 off = (unsigned long)&rxq_mem->next_qid;
2152 writel(rxq_cfg.next_qid, base_addr + off);
2153
2154 rxq->rcb->producer_index = 0;
2155 rxq->rcb->consumer_index = 0;
2156}
2157
2158void
2159__bna_cq_start(struct bna_cq *cq)
2160{
2161 struct bna_cq_mem cq_cfg, *cq_mem;
2162 const struct bna_qpt *qpt;
2163 struct bna_dma_addr cur_q_addr;
2164 u32 pg_num;
2165 struct bna *bna = cq->rx->bna;
2166 void __iomem *base_addr;
2167 unsigned long off;
2168
2169 qpt = &cq->qpt;
2170 cur_q_addr = *((struct bna_dma_addr *)(qpt->kv_qpt_ptr));
2171
2172 /*
2173 * Fill out structure, to be subsequently written
2174 * to hardware
2175 */
2176 cq_cfg.pg_tbl_addr_lo = qpt->hw_qpt_ptr.lsb;
2177 cq_cfg.pg_tbl_addr_hi = qpt->hw_qpt_ptr.msb;
2178 cq_cfg.cur_q_entry_lo = cur_q_addr.lsb;
2179 cq_cfg.cur_q_entry_hi = cur_q_addr.msb;
2180
2181 cq_cfg.pg_cnt_n_prd_ptr = (qpt->page_count << 16) | 0x0;
2182 cq_cfg.entry_n_pg_size =
2183 ((u32)(BFI_CQ_WI_SIZE >> 2) << 16) | (qpt->page_size >> 2);
2184 cq_cfg.int_blk_n_cns_ptr = ((((u32)cq->ib_seg_offset) << 24) |
2185 ((u32)(cq->ib->ib_id & 0xff) << 16) | 0x0);
2186 cq_cfg.q_state = BNA_Q_IDLE_STATE;
2187
2188 /* Write the page number register */
2189 pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + bna->port_num,
2190 HQM_CQ_RAM_BASE_OFFSET);
2191
2192 writel(pg_num, bna->regs.page_addr);
2193
2194 /* H/W write */
2195 base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
2196 HQM_CQ_RAM_BASE_OFFSET);
2197
2198 cq_mem = (struct bna_cq_mem *)0;
2199
2200 off = (unsigned long)&cq_mem[cq->cq_id].pg_tbl_addr_lo;
2201 writel(htonl(cq_cfg.pg_tbl_addr_lo), base_addr + off);
2202
2203 off = (unsigned long)&cq_mem[cq->cq_id].pg_tbl_addr_hi;
2204 writel(htonl(cq_cfg.pg_tbl_addr_hi), base_addr + off);
2205
2206 off = (unsigned long)&cq_mem[cq->cq_id].cur_q_entry_lo;
2207 writel(htonl(cq_cfg.cur_q_entry_lo), base_addr + off);
2208
2209 off = (unsigned long)&cq_mem[cq->cq_id].cur_q_entry_hi;
2210 writel(htonl(cq_cfg.cur_q_entry_hi), base_addr + off);
2211
2212 off = (unsigned long)&cq_mem[cq->cq_id].pg_cnt_n_prd_ptr;
2213 writel(cq_cfg.pg_cnt_n_prd_ptr, base_addr + off);
2214
2215 off = (unsigned long)&cq_mem[cq->cq_id].entry_n_pg_size;
2216 writel(cq_cfg.entry_n_pg_size, base_addr + off);
2217
2218 off = (unsigned long)&cq_mem[cq->cq_id].int_blk_n_cns_ptr;
2219 writel(cq_cfg.int_blk_n_cns_ptr, base_addr + off);
2220
2221 off = (unsigned long)&cq_mem[cq->cq_id].q_state;
2222 writel(cq_cfg.q_state, base_addr + off);
2223
2224 cq->ccb->producer_index = 0;
2225 *(cq->ccb->hw_producer_index) = 0;
2226}
2227
2228void
2229bna_rit_create(struct bna_rx *rx)
2230{
2231 struct list_head *qe_rxp;
2232 struct bna_rxp *rxp;
2233 struct bna_rxq *q0 = NULL;
2234 struct bna_rxq *q1 = NULL;
2235 int offset;
2236
2237 offset = 0;
2238 list_for_each(qe_rxp, &rx->rxp_q) {
2239 rxp = (struct bna_rxp *)qe_rxp;
2240 GET_RXQS(rxp, q0, q1);
2241 rx->rxf.rit_segment->rit[offset].large_rxq_id = q0->rxq_id;
2242 rx->rxf.rit_segment->rit[offset].small_rxq_id =
2243 (q1 ? q1->rxq_id : 0);
2244 offset++;
2245 }
2246}
2247
2248static int
2249_rx_can_satisfy(struct bna_rx_mod *rx_mod,
2250 struct bna_rx_config *rx_cfg)
2251{
2252 if ((rx_mod->rx_free_count == 0) ||
2253 (rx_mod->rxp_free_count == 0) ||
2254 (rx_mod->rxq_free_count == 0))
2255 return 0;
2256
2257 if (rx_cfg->rxp_type == BNA_RXP_SINGLE) {
2258 if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
2259 (rx_mod->rxq_free_count < rx_cfg->num_paths))
2260 return 0;
2261 } else {
2262 if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
2263 (rx_mod->rxq_free_count < (2 * rx_cfg->num_paths)))
2264 return 0;
2265 }
2266
2267 if (!bna_rit_mod_can_satisfy(&rx_mod->bna->rit_mod, rx_cfg->num_paths))
2268 return 0;
2269
2270 return 1;
2271}
2272
2273static struct bna_rxq *
2274_get_free_rxq(struct bna_rx_mod *rx_mod)
2275{
2276 struct bna_rxq *rxq = NULL;
2277 struct list_head *qe = NULL;
2278
2279 bfa_q_deq(&rx_mod->rxq_free_q, &qe);
2280 if (qe) {
2281 rx_mod->rxq_free_count--;
2282 rxq = (struct bna_rxq *)qe;
2283 }
2284 return rxq;
2285}
2286
2287static void
2288_put_free_rxq(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq)
2289{
2290 bfa_q_qe_init(&rxq->qe);
2291 list_add_tail(&rxq->qe, &rx_mod->rxq_free_q);
2292 rx_mod->rxq_free_count++;
2293}
2294
2295static struct bna_rxp *
2296_get_free_rxp(struct bna_rx_mod *rx_mod)
2297{
2298 struct list_head *qe = NULL;
2299 struct bna_rxp *rxp = NULL;
2300
2301 bfa_q_deq(&rx_mod->rxp_free_q, &qe);
2302 if (qe) {
2303 rx_mod->rxp_free_count--;
2304
2305 rxp = (struct bna_rxp *)qe;
2306 }
2307
2308 return rxp;
2309}
2310
2311static void
2312_put_free_rxp(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp)
2313{
2314 bfa_q_qe_init(&rxp->qe);
2315 list_add_tail(&rxp->qe, &rx_mod->rxp_free_q);
2316 rx_mod->rxp_free_count++;
2317}
2318
2319static struct bna_rx *
2320_get_free_rx(struct bna_rx_mod *rx_mod)
2321{
2322 struct list_head *qe = NULL;
2323 struct bna_rx *rx = NULL;
2324
2325 bfa_q_deq(&rx_mod->rx_free_q, &qe);
2326 if (qe) {
2327 rx_mod->rx_free_count--;
2328
2329 rx = (struct bna_rx *)qe;
2330 bfa_q_qe_init(qe);
2331 list_add_tail(&rx->qe, &rx_mod->rx_active_q);
2332 }
2333
2334 return rx;
2335}
2336
2337static void
2338_put_free_rx(struct bna_rx_mod *rx_mod, struct bna_rx *rx)
2339{
2340 bfa_q_qe_init(&rx->qe);
2341 list_add_tail(&rx->qe, &rx_mod->rx_free_q);
2342 rx_mod->rx_free_count++;
2343}
2344
2345static void
2346_rx_init(struct bna_rx *rx, struct bna *bna)
2347{
2348 rx->bna = bna;
2349 rx->rx_flags = 0;
2350
2351 INIT_LIST_HEAD(&rx->rxp_q);
2352
2353 rx->rxq_stop_wc.wc_resume = bna_rx_cb_rxq_stopped_all;
2354 rx->rxq_stop_wc.wc_cbarg = rx;
2355 rx->rxq_stop_wc.wc_count = 0;
2356
2357 rx->stop_cbfn = NULL;
2358 rx->stop_cbarg = NULL;
2359}
2360
2361static void
2362_rxp_add_rxqs(struct bna_rxp *rxp,
2363 struct bna_rxq *q0,
2364 struct bna_rxq *q1)
2365{
2366 switch (rxp->type) {
2367 case BNA_RXP_SINGLE:
2368 rxp->rxq.single.only = q0;
2369 rxp->rxq.single.reserved = NULL;
2370 break;
2371 case BNA_RXP_SLR:
2372 rxp->rxq.slr.large = q0;
2373 rxp->rxq.slr.small = q1;
2374 break;
2375 case BNA_RXP_HDS:
2376 rxp->rxq.hds.data = q0;
2377 rxp->rxq.hds.hdr = q1;
2378 break;
2379 default:
2380 break;
2381 }
2382}
2383
2384static void
2385_rxq_qpt_init(struct bna_rxq *rxq,
2386 struct bna_rxp *rxp,
2387 u32 page_count,
2388 u32 page_size,
2389 struct bna_mem_descr *qpt_mem,
2390 struct bna_mem_descr *swqpt_mem,
2391 struct bna_mem_descr *page_mem)
2392{
2393 int i;
2394
2395 rxq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
2396 rxq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
2397 rxq->qpt.kv_qpt_ptr = qpt_mem->kva;
2398 rxq->qpt.page_count = page_count;
2399 rxq->qpt.page_size = page_size;
2400
2401 rxq->rcb->sw_qpt = (void **) swqpt_mem->kva;
2402
2403 for (i = 0; i < rxq->qpt.page_count; i++) {
2404 rxq->rcb->sw_qpt[i] = page_mem[i].kva;
2405 ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb =
2406 page_mem[i].dma.lsb;
2407 ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb =
2408 page_mem[i].dma.msb;
2409
2410 }
2411}
2412
2413static void
2414_rxp_cqpt_setup(struct bna_rxp *rxp,
2415 u32 page_count,
2416 u32 page_size,
2417 struct bna_mem_descr *qpt_mem,
2418 struct bna_mem_descr *swqpt_mem,
2419 struct bna_mem_descr *page_mem)
2420{
2421 int i;
2422
2423 rxp->cq.qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
2424 rxp->cq.qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
2425 rxp->cq.qpt.kv_qpt_ptr = qpt_mem->kva;
2426 rxp->cq.qpt.page_count = page_count;
2427 rxp->cq.qpt.page_size = page_size;
2428
2429 rxp->cq.ccb->sw_qpt = (void **) swqpt_mem->kva;
2430
2431 for (i = 0; i < rxp->cq.qpt.page_count; i++) {
2432 rxp->cq.ccb->sw_qpt[i] = page_mem[i].kva;
2433
2434 ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb =
2435 page_mem[i].dma.lsb;
2436 ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb =
2437 page_mem[i].dma.msb;
2438
2439 }
2440}
2441
2442static void
2443_rx_add_rxp(struct bna_rx *rx, struct bna_rxp *rxp)
2444{
2445 list_add_tail(&rxp->qe, &rx->rxp_q);
2446}
2447
2448static void
2449_init_rxmod_queues(struct bna_rx_mod *rx_mod)
2450{
2451 INIT_LIST_HEAD(&rx_mod->rx_free_q);
2452 INIT_LIST_HEAD(&rx_mod->rxq_free_q);
2453 INIT_LIST_HEAD(&rx_mod->rxp_free_q);
2454 INIT_LIST_HEAD(&rx_mod->rx_active_q);
2455
2456 rx_mod->rx_free_count = 0;
2457 rx_mod->rxq_free_count = 0;
2458 rx_mod->rxp_free_count = 0;
2459}
2460
2461static void
2462_rx_ctor(struct bna_rx *rx, int id)
2463{
2464 bfa_q_qe_init(&rx->qe);
2465 INIT_LIST_HEAD(&rx->rxp_q);
2466 rx->bna = NULL;
2467
2468 rx->rxf.rxf_id = id;
2469
2470 /* FIXME: mbox_qe ctor()?? */
2471 bfa_q_qe_init(&rx->mbox_qe.qe);
2472
2473 rx->stop_cbfn = NULL;
2474 rx->stop_cbarg = NULL;
2475}
2476
2477void
2478bna_rx_cb_multi_rxq_stopped(void *arg, int status)
2479{
2480 struct bna_rxp *rxp = (struct bna_rxp *)arg;
2481
2482 bfa_wc_down(&rxp->rx->rxq_stop_wc);
2483}
2484
2485void
2486bna_rx_cb_rxq_stopped_all(void *arg)
2487{
2488 struct bna_rx *rx = (struct bna_rx *)arg;
2489
2490 bfa_fsm_send_event(rx, RX_E_RXQ_STOPPED);
2491}
2492
2493static void
2494bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx,
2495 enum bna_cb_status status)
2496{
2497 struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;
2498
2499 bfa_wc_down(&rx_mod->rx_stop_wc);
2500}
2501
2502static void
2503bna_rx_mod_cb_rx_stopped_all(void *arg)
2504{
2505 struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;
2506
2507 if (rx_mod->stop_cbfn)
2508 rx_mod->stop_cbfn(&rx_mod->bna->port, BNA_CB_SUCCESS);
2509 rx_mod->stop_cbfn = NULL;
2510}
2511
2512static void
2513bna_rx_start(struct bna_rx *rx)
2514{
2515 rx->rx_flags |= BNA_RX_F_PORT_ENABLED;
2516 if (rx->rx_flags & BNA_RX_F_ENABLE)
2517 bfa_fsm_send_event(rx, RX_E_START);
2518}
2519
2520static void
2521bna_rx_stop(struct bna_rx *rx)
2522{
2523 rx->rx_flags &= ~BNA_RX_F_PORT_ENABLED;
2524 if (rx->fsm == (bfa_fsm_t) bna_rx_sm_stopped)
2525 bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx, BNA_CB_SUCCESS);
2526 else {
2527 rx->stop_cbfn = bna_rx_mod_cb_rx_stopped;
2528 rx->stop_cbarg = &rx->bna->rx_mod;
2529 bfa_fsm_send_event(rx, RX_E_STOP);
2530 }
2531}
2532
2533static void
2534bna_rx_fail(struct bna_rx *rx)
2535{
2536 /* Indicate port is not enabled, and failed */
2537 rx->rx_flags &= ~BNA_RX_F_PORT_ENABLED;
2538 rx->rx_flags |= BNA_RX_F_PORT_FAILED;
2539 bfa_fsm_send_event(rx, RX_E_FAIL);
2540}
2541
2542void
2543bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
2544{
2545 struct bna_rx *rx;
2546 struct list_head *qe;
2547
2548 rx_mod->flags |= BNA_RX_MOD_F_PORT_STARTED;
2549 if (type == BNA_RX_T_LOOPBACK)
2550 rx_mod->flags |= BNA_RX_MOD_F_PORT_LOOPBACK;
2551
2552 list_for_each(qe, &rx_mod->rx_active_q) {
2553 rx = (struct bna_rx *)qe;
2554 if (rx->type == type)
2555 bna_rx_start(rx);
2556 }
2557}
2558
2559void
2560bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
2561{
2562 struct bna_rx *rx;
2563 struct list_head *qe;
2564
2565 rx_mod->flags &= ~BNA_RX_MOD_F_PORT_STARTED;
2566 rx_mod->flags &= ~BNA_RX_MOD_F_PORT_LOOPBACK;
2567
2568 rx_mod->stop_cbfn = bna_port_cb_rx_stopped;
2569
2570 /**
2571 * Before calling bna_rx_stop(), increment rx_stop_wc as many times
2572 * as we are going to call bna_rx_stop
2573 */
2574 list_for_each(qe, &rx_mod->rx_active_q) {
2575 rx = (struct bna_rx *)qe;
2576 if (rx->type == type)
2577 bfa_wc_up(&rx_mod->rx_stop_wc);
2578 }
2579
2580 if (rx_mod->rx_stop_wc.wc_count == 0) {
2581 rx_mod->stop_cbfn(&rx_mod->bna->port, BNA_CB_SUCCESS);
2582 rx_mod->stop_cbfn = NULL;
2583 return;
2584 }
2585
2586 list_for_each(qe, &rx_mod->rx_active_q) {
2587 rx = (struct bna_rx *)qe;
2588 if (rx->type == type)
2589 bna_rx_stop(rx);
2590 }
2591}
2592
2593void
2594bna_rx_mod_fail(struct bna_rx_mod *rx_mod)
2595{
2596 struct bna_rx *rx;
2597 struct list_head *qe;
2598
2599 rx_mod->flags &= ~BNA_RX_MOD_F_PORT_STARTED;
2600 rx_mod->flags &= ~BNA_RX_MOD_F_PORT_LOOPBACK;
2601
2602 list_for_each(qe, &rx_mod->rx_active_q) {
2603 rx = (struct bna_rx *)qe;
2604 bna_rx_fail(rx);
2605 }
2606}
2607
2608void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna,
2609 struct bna_res_info *res_info)
2610{
2611 int index;
2612 struct bna_rx *rx_ptr;
2613 struct bna_rxp *rxp_ptr;
2614 struct bna_rxq *rxq_ptr;
2615
2616 rx_mod->bna = bna;
2617 rx_mod->flags = 0;
2618
2619 rx_mod->rx = (struct bna_rx *)
2620 res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.mdl[0].kva;
2621 rx_mod->rxp = (struct bna_rxp *)
2622 res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mdl[0].kva;
2623 rx_mod->rxq = (struct bna_rxq *)
2624 res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mdl[0].kva;
2625
2626 /* Initialize the queues */
2627 _init_rxmod_queues(rx_mod);
2628
2629 /* Build RX queues */
2630 for (index = 0; index < BFI_MAX_RXQ; index++) {
2631 rx_ptr = &rx_mod->rx[index];
2632 _rx_ctor(rx_ptr, index);
2633 list_add_tail(&rx_ptr->qe, &rx_mod->rx_free_q);
2634 rx_mod->rx_free_count++;
2635 }
2636
2637 /* build RX-path queue */
2638 for (index = 0; index < BFI_MAX_RXQ; index++) {
2639 rxp_ptr = &rx_mod->rxp[index];
2640 rxp_ptr->cq.cq_id = index;
2641 bfa_q_qe_init(&rxp_ptr->qe);
2642 list_add_tail(&rxp_ptr->qe, &rx_mod->rxp_free_q);
2643 rx_mod->rxp_free_count++;
2644 }
2645
2646 /* build RXQ queue */
2647 for (index = 0; index < BFI_MAX_RXQ; index++) {
2648 rxq_ptr = &rx_mod->rxq[index];
2649 rxq_ptr->rxq_id = index;
2650
2651 bfa_q_qe_init(&rxq_ptr->qe);
2652 list_add_tail(&rxq_ptr->qe, &rx_mod->rxq_free_q);
2653 rx_mod->rxq_free_count++;
2654 }
2655
2656 rx_mod->rx_stop_wc.wc_resume = bna_rx_mod_cb_rx_stopped_all;
2657 rx_mod->rx_stop_wc.wc_cbarg = rx_mod;
2658 rx_mod->rx_stop_wc.wc_count = 0;
2659}
2660
2661void
2662bna_rx_mod_uninit(struct bna_rx_mod *rx_mod)
2663{
2664 struct list_head *qe;
2665 int i;
2666
2667 i = 0;
2668 list_for_each(qe, &rx_mod->rx_free_q)
2669 i++;
2670
2671 i = 0;
2672 list_for_each(qe, &rx_mod->rxp_free_q)
2673 i++;
2674
2675 i = 0;
2676 list_for_each(qe, &rx_mod->rxq_free_q)
2677 i++;
2678
2679 rx_mod->bna = NULL;
2680}
2681
2682int
2683bna_rx_state_get(struct bna_rx *rx)
2684{
2685 return bfa_sm_to_state(rx_sm_table, rx->fsm);
2686}
2687
2688void
2689bna_rx_res_req(struct bna_rx_config *q_cfg, struct bna_res_info *res_info)
2690{
2691 u32 cq_size, hq_size, dq_size;
2692 u32 cpage_count, hpage_count, dpage_count;
2693 struct bna_mem_info *mem_info;
2694 u32 cq_depth;
2695 u32 hq_depth;
2696 u32 dq_depth;
2697
2698 dq_depth = q_cfg->q_depth;
2699 hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q_depth);
2700 cq_depth = dq_depth + hq_depth;
2701
2702 BNA_TO_POWER_OF_2_HIGH(cq_depth);
2703 cq_size = cq_depth * BFI_CQ_WI_SIZE;
2704 cq_size = ALIGN(cq_size, PAGE_SIZE);
2705 cpage_count = SIZE_TO_PAGES(cq_size);
2706
2707 BNA_TO_POWER_OF_2_HIGH(dq_depth);
2708 dq_size = dq_depth * BFI_RXQ_WI_SIZE;
2709 dq_size = ALIGN(dq_size, PAGE_SIZE);
2710 dpage_count = SIZE_TO_PAGES(dq_size);
2711
2712 if (BNA_RXP_SINGLE != q_cfg->rxp_type) {
2713 BNA_TO_POWER_OF_2_HIGH(hq_depth);
2714 hq_size = hq_depth * BFI_RXQ_WI_SIZE;
2715 hq_size = ALIGN(hq_size, PAGE_SIZE);
2716 hpage_count = SIZE_TO_PAGES(hq_size);
2717 } else {
2718 hpage_count = 0;
2719 }
2720
2721 /* CCB structures */
2722 res_info[BNA_RX_RES_MEM_T_CCB].res_type = BNA_RES_T_MEM;
2723 mem_info = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info;
2724 mem_info->mem_type = BNA_MEM_T_KVA;
2725 mem_info->len = sizeof(struct bna_ccb);
2726 mem_info->num = q_cfg->num_paths;
2727
2728 /* RCB structures */
2729 res_info[BNA_RX_RES_MEM_T_RCB].res_type = BNA_RES_T_MEM;
2730 mem_info = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info;
2731 mem_info->mem_type = BNA_MEM_T_KVA;
2732 mem_info->len = sizeof(struct bna_rcb);
2733 mem_info->num = BNA_GET_RXQS(q_cfg);
2734
2735 /* Completion QPT */
2736 res_info[BNA_RX_RES_MEM_T_CQPT].res_type = BNA_RES_T_MEM;
2737 mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info;
2738 mem_info->mem_type = BNA_MEM_T_DMA;
2739 mem_info->len = cpage_count * sizeof(struct bna_dma_addr);
2740 mem_info->num = q_cfg->num_paths;
2741
2742 /* Completion s/w QPT */
2743 res_info[BNA_RX_RES_MEM_T_CSWQPT].res_type = BNA_RES_T_MEM;
2744 mem_info = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info;
2745 mem_info->mem_type = BNA_MEM_T_KVA;
2746 mem_info->len = cpage_count * sizeof(void *);
2747 mem_info->num = q_cfg->num_paths;
2748
2749 /* Completion QPT pages */
2750 res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_type = BNA_RES_T_MEM;
2751 mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info;
2752 mem_info->mem_type = BNA_MEM_T_DMA;
2753 mem_info->len = PAGE_SIZE;
2754 mem_info->num = cpage_count * q_cfg->num_paths;
2755
2756 /* Data QPTs */
2757 res_info[BNA_RX_RES_MEM_T_DQPT].res_type = BNA_RES_T_MEM;
2758 mem_info = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info;
2759 mem_info->mem_type = BNA_MEM_T_DMA;
2760 mem_info->len = dpage_count * sizeof(struct bna_dma_addr);
2761 mem_info->num = q_cfg->num_paths;
2762
2763 /* Data s/w QPTs */
2764 res_info[BNA_RX_RES_MEM_T_DSWQPT].res_type = BNA_RES_T_MEM;
2765 mem_info = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info;
2766 mem_info->mem_type = BNA_MEM_T_KVA;
2767 mem_info->len = dpage_count * sizeof(void *);
2768 mem_info->num = q_cfg->num_paths;
2769
2770 /* Data QPT pages */
2771 res_info[BNA_RX_RES_MEM_T_DPAGE].res_type = BNA_RES_T_MEM;
2772 mem_info = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info;
2773 mem_info->mem_type = BNA_MEM_T_DMA;
2774 mem_info->len = PAGE_SIZE;
2775 mem_info->num = dpage_count * q_cfg->num_paths;
2776
2777 /* Hdr QPTs */
2778 res_info[BNA_RX_RES_MEM_T_HQPT].res_type = BNA_RES_T_MEM;
2779 mem_info = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info;
2780 mem_info->mem_type = BNA_MEM_T_DMA;
2781 mem_info->len = hpage_count * sizeof(struct bna_dma_addr);
2782 mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
2783
2784 /* Hdr s/w QPTs */
2785 res_info[BNA_RX_RES_MEM_T_HSWQPT].res_type = BNA_RES_T_MEM;
2786 mem_info = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info;
2787 mem_info->mem_type = BNA_MEM_T_KVA;
2788 mem_info->len = hpage_count * sizeof(void *);
2789 mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
2790
2791 /* Hdr QPT pages */
2792 res_info[BNA_RX_RES_MEM_T_HPAGE].res_type = BNA_RES_T_MEM;
2793 mem_info = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info;
2794 mem_info->mem_type = BNA_MEM_T_DMA;
2795 mem_info->len = (hpage_count ? PAGE_SIZE : 0);
2796 mem_info->num = (hpage_count ? (hpage_count * q_cfg->num_paths) : 0);
2797
2798 /* RX Interrupts */
2799 res_info[BNA_RX_RES_T_INTR].res_type = BNA_RES_T_INTR;
2800 res_info[BNA_RX_RES_T_INTR].res_u.intr_info.intr_type = BNA_INTR_T_MSIX;
2801 res_info[BNA_RX_RES_T_INTR].res_u.intr_info.num = q_cfg->num_paths;
2802}
2803
2804struct bna_rx *
2805bna_rx_create(struct bna *bna, struct bnad *bnad,
2806 struct bna_rx_config *rx_cfg,
2807 struct bna_rx_event_cbfn *rx_cbfn,
2808 struct bna_res_info *res_info,
2809 void *priv)
2810{
2811 struct bna_rx_mod *rx_mod = &bna->rx_mod;
2812 struct bna_rx *rx;
2813 struct bna_rxp *rxp;
2814 struct bna_rxq *q0;
2815 struct bna_rxq *q1;
2816 struct bna_intr_info *intr_info;
2817 u32 page_count;
2818 struct bna_mem_descr *ccb_mem;
2819 struct bna_mem_descr *rcb_mem;
2820 struct bna_mem_descr *unmapq_mem;
2821 struct bna_mem_descr *cqpt_mem;
2822 struct bna_mem_descr *cswqpt_mem;
2823 struct bna_mem_descr *cpage_mem;
2824 struct bna_mem_descr *hqpt_mem; /* Header/Small Q qpt */
2825 struct bna_mem_descr *dqpt_mem; /* Data/Large Q qpt */
2826 struct bna_mem_descr *hsqpt_mem; /* s/w qpt for hdr */
2827 struct bna_mem_descr *dsqpt_mem; /* s/w qpt for data */
2828 struct bna_mem_descr *hpage_mem; /* hdr page mem */
2829 struct bna_mem_descr *dpage_mem; /* data page mem */
2830 int i, cpage_idx = 0, dpage_idx = 0, hpage_idx = 0;
2831 int dpage_count, hpage_count, rcb_idx;
2832 struct bna_ib_config ibcfg;
2833 /* Fail if we don't have enough RXPs, RXQs */
2834 if (!_rx_can_satisfy(rx_mod, rx_cfg))
2835 return NULL;
2836
2837 /* Initialize resource pointers */
2838 intr_info = &res_info[BNA_RX_RES_T_INTR].res_u.intr_info;
2839 ccb_mem = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info.mdl[0];
2840 rcb_mem = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info.mdl[0];
2841 unmapq_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[0];
2842 cqpt_mem = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info.mdl[0];
2843 cswqpt_mem = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info.mdl[0];
2844 cpage_mem = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.mdl[0];
2845 hqpt_mem = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info.mdl[0];
2846 dqpt_mem = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info.mdl[0];
2847 hsqpt_mem = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info.mdl[0];
2848 dsqpt_mem = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info.mdl[0];
2849 hpage_mem = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.mdl[0];
2850 dpage_mem = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.mdl[0];
2851
2852 /* Compute q depth & page count */
2853 page_count = res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.num /
2854 rx_cfg->num_paths;
2855
2856 dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.num /
2857 rx_cfg->num_paths;
2858
2859 hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.num /
2860 rx_cfg->num_paths;
2861 /* Get RX pointer */
2862 rx = _get_free_rx(rx_mod);
2863 _rx_init(rx, bna);
2864 rx->priv = priv;
2865 rx->type = rx_cfg->rx_type;
2866
2867 rx->rcb_setup_cbfn = rx_cbfn->rcb_setup_cbfn;
2868 rx->rcb_destroy_cbfn = rx_cbfn->rcb_destroy_cbfn;
2869 rx->ccb_setup_cbfn = rx_cbfn->ccb_setup_cbfn;
2870 rx->ccb_destroy_cbfn = rx_cbfn->ccb_destroy_cbfn;
2871 /* Following callbacks are mandatory */
2872 rx->rx_cleanup_cbfn = rx_cbfn->rx_cleanup_cbfn;
2873 rx->rx_post_cbfn = rx_cbfn->rx_post_cbfn;
2874
2875 if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_PORT_STARTED) {
2876 switch (rx->type) {
2877 case BNA_RX_T_REGULAR:
2878 if (!(rx->bna->rx_mod.flags &
2879 BNA_RX_MOD_F_PORT_LOOPBACK))
2880 rx->rx_flags |= BNA_RX_F_PORT_ENABLED;
2881 break;
2882 case BNA_RX_T_LOOPBACK:
2883 if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_PORT_LOOPBACK)
2884 rx->rx_flags |= BNA_RX_F_PORT_ENABLED;
2885 break;
2886 }
2887 }
2888
2889 for (i = 0, rcb_idx = 0; i < rx_cfg->num_paths; i++) {
2890 rxp = _get_free_rxp(rx_mod);
2891 rxp->type = rx_cfg->rxp_type;
2892 rxp->rx = rx;
2893 rxp->cq.rx = rx;
2894
2895 /* Get required RXQs, and queue them to rx-path */
2896 q0 = _get_free_rxq(rx_mod);
2897 if (BNA_RXP_SINGLE == rx_cfg->rxp_type)
2898 q1 = NULL;
2899 else
2900 q1 = _get_free_rxq(rx_mod);
2901
2902 /* Initialize IB */
2903 if (1 == intr_info->num) {
2904 rxp->cq.ib = bna_ib_get(&bna->ib_mod,
2905 intr_info->intr_type,
2906 intr_info->idl[0].vector);
2907 rxp->vector = intr_info->idl[0].vector;
2908 } else {
2909 rxp->cq.ib = bna_ib_get(&bna->ib_mod,
2910 intr_info->intr_type,
2911 intr_info->idl[i].vector);
2912
2913 /* Map the MSI-x vector used for this RXP */
2914 rxp->vector = intr_info->idl[i].vector;
2915 }
2916
2917 rxp->cq.ib_seg_offset = bna_ib_reserve_idx(rxp->cq.ib);
2918
2919 ibcfg.coalescing_timeo = BFI_RX_COALESCING_TIMEO;
2920 ibcfg.interpkt_count = BFI_RX_INTERPKT_COUNT;
2921 ibcfg.interpkt_timeo = BFI_RX_INTERPKT_TIMEO;
2922 ibcfg.ctrl_flags = BFI_IB_CF_INT_ENABLE;
2923
2924 bna_ib_config(rxp->cq.ib, &ibcfg);
2925
2926 /* Link rxqs to rxp */
2927 _rxp_add_rxqs(rxp, q0, q1);
2928
2929 /* Link rxp to rx */
2930 _rx_add_rxp(rx, rxp);
2931
2932 q0->rx = rx;
2933 q0->rxp = rxp;
2934
2935 /* Initialize RCB for the large / data q */
2936 q0->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
2937 RXQ_RCB_INIT(q0, rxp, rx_cfg->q_depth, bna, 0,
2938 (void *)unmapq_mem[rcb_idx].kva);
2939 rcb_idx++;
2940 (q0)->rx_packets = (q0)->rx_bytes = 0;
2941 (q0)->rx_packets_with_error = (q0)->rxbuf_alloc_failed = 0;
2942
2943 /* Initialize RXQs */
2944 _rxq_qpt_init(q0, rxp, dpage_count, PAGE_SIZE,
2945 &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[dpage_idx]);
2946 q0->rcb->page_idx = dpage_idx;
2947 q0->rcb->page_count = dpage_count;
2948 dpage_idx += dpage_count;
2949
2950 /* Call bnad to complete rcb setup */
2951 if (rx->rcb_setup_cbfn)
2952 rx->rcb_setup_cbfn(bnad, q0->rcb);
2953
2954 if (q1) {
2955 q1->rx = rx;
2956 q1->rxp = rxp;
2957
2958 q1->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
2959 RXQ_RCB_INIT(q1, rxp, rx_cfg->q_depth, bna, 1,
2960 (void *)unmapq_mem[rcb_idx].kva);
2961 rcb_idx++;
2962 (q1)->buffer_size = (rx_cfg)->small_buff_size;
2963 (q1)->rx_packets = (q1)->rx_bytes = 0;
2964 (q1)->rx_packets_with_error =
2965 (q1)->rxbuf_alloc_failed = 0;
2966
2967 _rxq_qpt_init(q1, rxp, hpage_count, PAGE_SIZE,
2968 &hqpt_mem[i], &hsqpt_mem[i],
2969 &hpage_mem[hpage_idx]);
2970 q1->rcb->page_idx = hpage_idx;
2971 q1->rcb->page_count = hpage_count;
2972 hpage_idx += hpage_count;
2973
2974 /* Call bnad to complete rcb setup */
2975 if (rx->rcb_setup_cbfn)
2976 rx->rcb_setup_cbfn(bnad, q1->rcb);
2977 }
2978 /* Setup RXP::CQ */
2979 rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva;
2980 _rxp_cqpt_setup(rxp, page_count, PAGE_SIZE,
2981 &cqpt_mem[i], &cswqpt_mem[i], &cpage_mem[cpage_idx]);
2982 rxp->cq.ccb->page_idx = cpage_idx;
2983 rxp->cq.ccb->page_count = page_count;
2984 cpage_idx += page_count;
2985
2986 rxp->cq.ccb->pkt_rate.small_pkt_cnt = 0;
2987 rxp->cq.ccb->pkt_rate.large_pkt_cnt = 0;
2988
2989 rxp->cq.ccb->producer_index = 0;
2990 rxp->cq.ccb->q_depth = rx_cfg->q_depth +
2991 ((rx_cfg->rxp_type == BNA_RXP_SINGLE) ?
2992 0 : rx_cfg->q_depth);
2993 rxp->cq.ccb->i_dbell = &rxp->cq.ib->door_bell;
2994 rxp->cq.ccb->rcb[0] = q0->rcb;
2995 if (q1)
2996 rxp->cq.ccb->rcb[1] = q1->rcb;
2997 rxp->cq.ccb->cq = &rxp->cq;
2998 rxp->cq.ccb->bnad = bna->bnad;
2999 rxp->cq.ccb->hw_producer_index =
3000 ((volatile u32 *)rxp->cq.ib->ib_seg_host_addr_kva +
3001 (rxp->cq.ib_seg_offset * BFI_IBIDX_SIZE));
3002 *(rxp->cq.ccb->hw_producer_index) = 0;
3003 rxp->cq.ccb->intr_type = intr_info->intr_type;
3004 rxp->cq.ccb->intr_vector = (intr_info->num == 1) ?
3005 intr_info->idl[0].vector :
3006 intr_info->idl[i].vector;
3007 rxp->cq.ccb->rx_coalescing_timeo =
3008 rxp->cq.ib->ib_config.coalescing_timeo;
3009 rxp->cq.ccb->id = i;
3010
3011 /* Call bnad to complete CCB setup */
3012 if (rx->ccb_setup_cbfn)
3013 rx->ccb_setup_cbfn(bnad, rxp->cq.ccb);
3014
3015 } /* for each rx-path */
3016
3017 bna_rxf_init(&rx->rxf, rx, rx_cfg);
3018
3019 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
3020
3021 return rx;
3022}
3023
3024void
3025bna_rx_destroy(struct bna_rx *rx)
3026{
3027 struct bna_rx_mod *rx_mod = &rx->bna->rx_mod;
3028 struct bna_ib_mod *ib_mod = &rx->bna->ib_mod;
3029 struct bna_rxq *q0 = NULL;
3030 struct bna_rxq *q1 = NULL;
3031 struct bna_rxp *rxp;
3032 struct list_head *qe;
3033
3034 bna_rxf_uninit(&rx->rxf);
3035
3036 while (!list_empty(&rx->rxp_q)) {
3037 bfa_q_deq(&rx->rxp_q, &rxp);
3038 GET_RXQS(rxp, q0, q1);
3039 /* Callback to bnad for destroying RCB */
3040 if (rx->rcb_destroy_cbfn)
3041 rx->rcb_destroy_cbfn(rx->bna->bnad, q0->rcb);
3042 q0->rcb = NULL;
3043 q0->rxp = NULL;
3044 q0->rx = NULL;
3045 _put_free_rxq(rx_mod, q0);
3046 if (q1) {
3047 /* Callback to bnad for destroying RCB */
3048 if (rx->rcb_destroy_cbfn)
3049 rx->rcb_destroy_cbfn(rx->bna->bnad, q1->rcb);
3050 q1->rcb = NULL;
3051 q1->rxp = NULL;
3052 q1->rx = NULL;
3053 _put_free_rxq(rx_mod, q1);
3054 }
3055 rxp->rxq.slr.large = NULL;
3056 rxp->rxq.slr.small = NULL;
3057 if (rxp->cq.ib) {
3058 if (rxp->cq.ib_seg_offset != 0xff)
3059 bna_ib_release_idx(rxp->cq.ib,
3060 rxp->cq.ib_seg_offset);
3061 bna_ib_put(ib_mod, rxp->cq.ib);
3062 rxp->cq.ib = NULL;
3063 }
3064 /* Callback to bnad for destroying CCB */
3065 if (rx->ccb_destroy_cbfn)
3066 rx->ccb_destroy_cbfn(rx->bna->bnad, rxp->cq.ccb);
3067 rxp->cq.ccb = NULL;
3068 rxp->rx = NULL;
3069 _put_free_rxp(rx_mod, rxp);
3070 }
3071
3072 list_for_each(qe, &rx_mod->rx_active_q) {
3073 if (qe == &rx->qe) {
3074 list_del(&rx->qe);
3075 bfa_q_qe_init(&rx->qe);
3076 break;
3077 }
3078 }
3079
3080 rx->bna = NULL;
3081 rx->priv = NULL;
3082 _put_free_rx(rx_mod, rx);
3083}
3084
3085void
3086bna_rx_enable(struct bna_rx *rx)
3087{
3088 if (rx->fsm != (bfa_sm_t)bna_rx_sm_stopped)
3089 return;
3090
3091 rx->rx_flags |= BNA_RX_F_ENABLE;
3092 if (rx->rx_flags & BNA_RX_F_PORT_ENABLED)
3093 bfa_fsm_send_event(rx, RX_E_START);
3094}
3095
3096void
3097bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type,
3098 void (*cbfn)(void *, struct bna_rx *,
3099 enum bna_cb_status))
3100{
3101 if (type == BNA_SOFT_CLEANUP) {
3102 /* h/w should not be accessed. Treat we're stopped */
3103 (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
3104 } else {
3105 rx->stop_cbfn = cbfn;
3106 rx->stop_cbarg = rx->bna->bnad;
3107
3108 rx->rx_flags &= ~BNA_RX_F_ENABLE;
3109
3110 bfa_fsm_send_event(rx, RX_E_STOP);
3111 }
3112}
3113
3114/**
3115 * TX
3116 */
3117#define call_tx_stop_cbfn(tx, status)\
3118do {\
3119 if ((tx)->stop_cbfn)\
3120 (tx)->stop_cbfn((tx)->stop_cbarg, (tx), status);\
3121 (tx)->stop_cbfn = NULL;\
3122 (tx)->stop_cbarg = NULL;\
3123} while (0)
3124
3125#define call_tx_prio_change_cbfn(tx, status)\
3126do {\
3127 if ((tx)->prio_change_cbfn)\
3128 (tx)->prio_change_cbfn((tx)->bna->bnad, (tx), status);\
3129 (tx)->prio_change_cbfn = NULL;\
3130} while (0)
3131
3132static void bna_tx_mod_cb_tx_stopped(void *tx_mod, struct bna_tx *tx,
3133 enum bna_cb_status status);
3134static void bna_tx_cb_txq_stopped(void *arg, int status);
3135static void bna_tx_cb_stats_cleared(void *arg, int status);
3136static void __bna_tx_stop(struct bna_tx *tx);
3137static void __bna_tx_start(struct bna_tx *tx);
3138static void __bna_txf_stat_clr(struct bna_tx *tx);
3139
3140enum bna_tx_event {
3141 TX_E_START = 1,
3142 TX_E_STOP = 2,
3143 TX_E_FAIL = 3,
3144 TX_E_TXQ_STOPPED = 4,
3145 TX_E_PRIO_CHANGE = 5,
3146 TX_E_STAT_CLEARED = 6,
3147};
3148
3149enum bna_tx_state {
3150 BNA_TX_STOPPED = 1,
3151 BNA_TX_STARTED = 2,
3152 BNA_TX_TXQ_STOP_WAIT = 3,
3153 BNA_TX_PRIO_STOP_WAIT = 4,
3154 BNA_TX_STAT_CLR_WAIT = 5,
3155};
3156
3157bfa_fsm_state_decl(bna_tx, stopped, struct bna_tx,
3158 enum bna_tx_event);
3159bfa_fsm_state_decl(bna_tx, started, struct bna_tx,
3160 enum bna_tx_event);
3161bfa_fsm_state_decl(bna_tx, txq_stop_wait, struct bna_tx,
3162 enum bna_tx_event);
3163bfa_fsm_state_decl(bna_tx, prio_stop_wait, struct bna_tx,
3164 enum bna_tx_event);
3165bfa_fsm_state_decl(bna_tx, stat_clr_wait, struct bna_tx,
3166 enum bna_tx_event);
3167
3168static struct bfa_sm_table tx_sm_table[] = {
3169 {BFA_SM(bna_tx_sm_stopped), BNA_TX_STOPPED},
3170 {BFA_SM(bna_tx_sm_started), BNA_TX_STARTED},
3171 {BFA_SM(bna_tx_sm_txq_stop_wait), BNA_TX_TXQ_STOP_WAIT},
3172 {BFA_SM(bna_tx_sm_prio_stop_wait), BNA_TX_PRIO_STOP_WAIT},
3173 {BFA_SM(bna_tx_sm_stat_clr_wait), BNA_TX_STAT_CLR_WAIT},
3174};
3175
3176static void
3177bna_tx_sm_stopped_entry(struct bna_tx *tx)
3178{
3179 struct bna_txq *txq;
3180 struct list_head *qe;
3181
3182 list_for_each(qe, &tx->txq_q) {
3183 txq = (struct bna_txq *)qe;
3184 (tx->tx_cleanup_cbfn)(tx->bna->bnad, txq->tcb);
3185 }
3186
3187 call_tx_stop_cbfn(tx, BNA_CB_SUCCESS);
3188}
3189
3190static void
3191bna_tx_sm_stopped(struct bna_tx *tx, enum bna_tx_event event)
3192{
3193 switch (event) {
3194 case TX_E_START:
3195 bfa_fsm_set_state(tx, bna_tx_sm_started);
3196 break;
3197
3198 case TX_E_STOP:
3199 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3200 break;
3201
3202 case TX_E_FAIL:
3203 /* No-op */
3204 break;
3205
3206 case TX_E_PRIO_CHANGE:
3207 call_tx_prio_change_cbfn(tx, BNA_CB_SUCCESS);
3208 break;
3209
3210 case TX_E_TXQ_STOPPED:
3211 /**
3212 * This event is received due to flushing of mbox when
3213 * device fails
3214 */
3215 /* No-op */
3216 break;
3217
3218 default:
3219 bfa_sm_fault(event);
3220 }
3221}
3222
3223static void
3224bna_tx_sm_started_entry(struct bna_tx *tx)
3225{
3226 struct bna_txq *txq;
3227 struct list_head *qe;
3228
3229 __bna_tx_start(tx);
3230
3231 /* Start IB */
3232 list_for_each(qe, &tx->txq_q) {
3233 txq = (struct bna_txq *)qe;
3234 bna_ib_ack(&txq->ib->door_bell, 0);
3235 }
3236}
3237
3238static void
3239bna_tx_sm_started(struct bna_tx *tx, enum bna_tx_event event)
3240{
3241 struct bna_txq *txq;
3242 struct list_head *qe;
3243
3244 switch (event) {
3245 case TX_E_STOP:
3246 bfa_fsm_set_state(tx, bna_tx_sm_txq_stop_wait);
3247 __bna_tx_stop(tx);
3248 break;
3249
3250 case TX_E_FAIL:
3251 list_for_each(qe, &tx->txq_q) {
3252 txq = (struct bna_txq *)qe;
3253 bna_ib_fail(txq->ib);
3254 (tx->tx_stall_cbfn)(tx->bna->bnad, txq->tcb);
3255 }
3256 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3257 break;
3258
3259 case TX_E_PRIO_CHANGE:
3260 bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
3261 break;
3262
3263 default:
3264 bfa_sm_fault(event);
3265 }
3266}
3267
3268static void
3269bna_tx_sm_txq_stop_wait_entry(struct bna_tx *tx)
3270{
3271}
3272
3273static void
3274bna_tx_sm_txq_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
3275{
3276 struct bna_txq *txq;
3277 struct list_head *qe;
3278
3279 switch (event) {
3280 case TX_E_FAIL:
3281 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3282 break;
3283
3284 case TX_E_TXQ_STOPPED:
3285 list_for_each(qe, &tx->txq_q) {
3286 txq = (struct bna_txq *)qe;
3287 bna_ib_stop(txq->ib);
3288 }
3289 bfa_fsm_set_state(tx, bna_tx_sm_stat_clr_wait);
3290 break;
3291
3292 case TX_E_PRIO_CHANGE:
3293 /* No-op */
3294 break;
3295
3296 default:
3297 bfa_sm_fault(event);
3298 }
3299}
3300
3301static void
3302bna_tx_sm_prio_stop_wait_entry(struct bna_tx *tx)
3303{
3304 __bna_tx_stop(tx);
3305}
3306
3307static void
3308bna_tx_sm_prio_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
3309{
3310 struct bna_txq *txq;
3311 struct list_head *qe;
3312
3313 switch (event) {
3314 case TX_E_STOP:
3315 bfa_fsm_set_state(tx, bna_tx_sm_txq_stop_wait);
3316 break;
3317
3318 case TX_E_FAIL:
3319 call_tx_prio_change_cbfn(tx, BNA_CB_FAIL);
3320 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3321 break;
3322
3323 case TX_E_TXQ_STOPPED:
3324 list_for_each(qe, &tx->txq_q) {
3325 txq = (struct bna_txq *)qe;
3326 bna_ib_stop(txq->ib);
3327 (tx->tx_cleanup_cbfn)(tx->bna->bnad, txq->tcb);
3328 }
3329 call_tx_prio_change_cbfn(tx, BNA_CB_SUCCESS);
3330 bfa_fsm_set_state(tx, bna_tx_sm_started);
3331 break;
3332
3333 case TX_E_PRIO_CHANGE:
3334 /* No-op */
3335 break;
3336
3337 default:
3338 bfa_sm_fault(event);
3339 }
3340}
3341
3342static void
3343bna_tx_sm_stat_clr_wait_entry(struct bna_tx *tx)
3344{
3345 __bna_txf_stat_clr(tx);
3346}
3347
3348static void
3349bna_tx_sm_stat_clr_wait(struct bna_tx *tx, enum bna_tx_event event)
3350{
3351 switch (event) {
3352 case TX_E_FAIL:
3353 case TX_E_STAT_CLEARED:
3354 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3355 break;
3356
3357 default:
3358 bfa_sm_fault(event);
3359 }
3360}
3361
3362static void
3363__bna_txq_start(struct bna_tx *tx, struct bna_txq *txq)
3364{
3365 struct bna_rxtx_q_mem *q_mem;
3366 struct bna_txq_mem txq_cfg;
3367 struct bna_txq_mem *txq_mem;
3368 struct bna_dma_addr cur_q_addr;
3369 u32 pg_num;
3370 void __iomem *base_addr;
3371 unsigned long off;
3372
3373 /* Fill out structure, to be subsequently written to hardware */
3374 txq_cfg.pg_tbl_addr_lo = txq->qpt.hw_qpt_ptr.lsb;
3375 txq_cfg.pg_tbl_addr_hi = txq->qpt.hw_qpt_ptr.msb;
3376 cur_q_addr = *((struct bna_dma_addr *)(txq->qpt.kv_qpt_ptr));
3377 txq_cfg.cur_q_entry_lo = cur_q_addr.lsb;
3378 txq_cfg.cur_q_entry_hi = cur_q_addr.msb;
3379
3380 txq_cfg.pg_cnt_n_prd_ptr = (txq->qpt.page_count << 16) | 0x0;
3381
3382 txq_cfg.entry_n_pg_size = ((u32)(BFI_TXQ_WI_SIZE >> 2) << 16) |
3383 (txq->qpt.page_size >> 2);
3384 txq_cfg.int_blk_n_cns_ptr = ((((u32)txq->ib_seg_offset) << 24) |
3385 ((u32)(txq->ib->ib_id & 0xff) << 16) | 0x0);
3386
3387 txq_cfg.cns_ptr2_n_q_state = BNA_Q_IDLE_STATE;
3388 txq_cfg.nxt_qid_n_fid_n_pri = (((tx->txf.txf_id & 0x3f) << 3) |
3389 (txq->priority & 0x7));
3390 txq_cfg.wvc_n_cquota_n_rquota =
3391 ((((u32)BFI_TX_MAX_WRR_QUOTA & 0xfff) << 12) |
3392 (BFI_TX_MAX_WRR_QUOTA & 0xfff));
3393
3394 /* Setup the page and write to H/W */
3395
3396 pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + tx->bna->port_num,
3397 HQM_RXTX_Q_RAM_BASE_OFFSET);
3398 writel(pg_num, tx->bna->regs.page_addr);
3399
3400 base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva,
3401 HQM_RXTX_Q_RAM_BASE_OFFSET);
3402 q_mem = (struct bna_rxtx_q_mem *)0;
3403 txq_mem = &q_mem[txq->txq_id].txq;
3404
3405 /*
3406 * The following 4 lines, is a hack b'cos the H/W needs to read
3407 * these DMA addresses as little endian
3408 */
3409
3410 off = (unsigned long)&txq_mem->pg_tbl_addr_lo;
3411 writel(htonl(txq_cfg.pg_tbl_addr_lo), base_addr + off);
3412
3413 off = (unsigned long)&txq_mem->pg_tbl_addr_hi;
3414 writel(htonl(txq_cfg.pg_tbl_addr_hi), base_addr + off);
3415
3416 off = (unsigned long)&txq_mem->cur_q_entry_lo;
3417 writel(htonl(txq_cfg.cur_q_entry_lo), base_addr + off);
3418
3419 off = (unsigned long)&txq_mem->cur_q_entry_hi;
3420 writel(htonl(txq_cfg.cur_q_entry_hi), base_addr + off);
3421
3422 off = (unsigned long)&txq_mem->pg_cnt_n_prd_ptr;
3423 writel(txq_cfg.pg_cnt_n_prd_ptr, base_addr + off);
3424
3425 off = (unsigned long)&txq_mem->entry_n_pg_size;
3426 writel(txq_cfg.entry_n_pg_size, base_addr + off);
3427
3428 off = (unsigned long)&txq_mem->int_blk_n_cns_ptr;
3429 writel(txq_cfg.int_blk_n_cns_ptr, base_addr + off);
3430
3431 off = (unsigned long)&txq_mem->cns_ptr2_n_q_state;
3432 writel(txq_cfg.cns_ptr2_n_q_state, base_addr + off);
3433
3434 off = (unsigned long)&txq_mem->nxt_qid_n_fid_n_pri;
3435 writel(txq_cfg.nxt_qid_n_fid_n_pri, base_addr + off);
3436
3437 off = (unsigned long)&txq_mem->wvc_n_cquota_n_rquota;
3438 writel(txq_cfg.wvc_n_cquota_n_rquota, base_addr + off);
3439
3440 txq->tcb->producer_index = 0;
3441 txq->tcb->consumer_index = 0;
3442 *(txq->tcb->hw_consumer_index) = 0;
3443
3444}
3445
3446static void
3447__bna_txq_stop(struct bna_tx *tx, struct bna_txq *txq)
3448{
3449 struct bfi_ll_q_stop_req ll_req;
3450 u32 bit_mask[2] = {0, 0};
3451 if (txq->txq_id < 32)
3452 bit_mask[0] = (u32)1 << txq->txq_id;
3453 else
3454 bit_mask[1] = (u32)1 << (txq->txq_id - 32);
3455
3456 memset(&ll_req, 0, sizeof(ll_req));
3457 ll_req.mh.msg_class = BFI_MC_LL;
3458 ll_req.mh.msg_id = BFI_LL_H2I_TXQ_STOP_REQ;
3459 ll_req.mh.mtag.h2i.lpu_id = 0;
3460 ll_req.q_id_mask[0] = htonl(bit_mask[0]);
3461 ll_req.q_id_mask[1] = htonl(bit_mask[1]);
3462
3463 bna_mbox_qe_fill(&tx->mbox_qe, &ll_req, sizeof(ll_req),
3464 bna_tx_cb_txq_stopped, tx);
3465
3466 bna_mbox_send(tx->bna, &tx->mbox_qe);
3467}
3468
3469static void
3470__bna_txf_start(struct bna_tx *tx)
3471{
3472 struct bna_tx_fndb_ram *tx_fndb;
3473 struct bna_txf *txf = &tx->txf;
3474 void __iomem *base_addr;
3475 unsigned long off;
3476
3477 writel(BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM +
3478 (tx->bna->port_num * 2), TX_FNDB_RAM_BASE_OFFSET),
3479 tx->bna->regs.page_addr);
3480
3481 base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva,
3482 TX_FNDB_RAM_BASE_OFFSET);
3483
3484 tx_fndb = (struct bna_tx_fndb_ram *)0;
3485 off = (unsigned long)&tx_fndb[txf->txf_id].vlan_n_ctrl_flags;
3486
3487 writel(((u32)txf->vlan << 16) | txf->ctrl_flags,
3488 base_addr + off);
3489
3490 if (tx->txf.txf_id < 32)
3491 tx->bna->tx_mod.txf_bmap[0] |= ((u32)1 << tx->txf.txf_id);
3492 else
3493 tx->bna->tx_mod.txf_bmap[1] |= ((u32)
3494 1 << (tx->txf.txf_id - 32));
3495}
3496
3497static void
3498__bna_txf_stop(struct bna_tx *tx)
3499{
3500 struct bna_tx_fndb_ram *tx_fndb;
3501 u32 page_num;
3502 u32 ctl_flags;
3503 struct bna_txf *txf = &tx->txf;
3504 void __iomem *base_addr;
3505 unsigned long off;
3506
3507 /* retrieve the running txf_flags & turn off enable bit */
3508 page_num = BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM +
3509 (tx->bna->port_num * 2), TX_FNDB_RAM_BASE_OFFSET);
3510 writel(page_num, tx->bna->regs.page_addr);
3511
3512 base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva,
3513 TX_FNDB_RAM_BASE_OFFSET);
3514 tx_fndb = (struct bna_tx_fndb_ram *)0;
3515 off = (unsigned long)&tx_fndb[txf->txf_id].vlan_n_ctrl_flags;
3516
3517 ctl_flags = readl(base_addr + off);
3518 ctl_flags &= ~BFI_TXF_CF_ENABLE;
3519
3520 writel(ctl_flags, base_addr + off);
3521
3522 if (tx->txf.txf_id < 32)
3523 tx->bna->tx_mod.txf_bmap[0] &= ~((u32)1 << tx->txf.txf_id);
3524 else
3525 tx->bna->tx_mod.txf_bmap[0] &= ~((u32)
3526 1 << (tx->txf.txf_id - 32));
3527}
3528
3529static void
3530__bna_txf_stat_clr(struct bna_tx *tx)
3531{
3532 struct bfi_ll_stats_req ll_req;
3533 u32 txf_bmap[2] = {0, 0};
3534 if (tx->txf.txf_id < 32)
3535 txf_bmap[0] = ((u32)1 << tx->txf.txf_id);
3536 else
3537 txf_bmap[1] = ((u32)1 << (tx->txf.txf_id - 32));
3538 bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0);
3539 ll_req.stats_mask = 0;
3540 ll_req.rxf_id_mask[0] = 0;
3541 ll_req.rxf_id_mask[1] = 0;
3542 ll_req.txf_id_mask[0] = htonl(txf_bmap[0]);
3543 ll_req.txf_id_mask[1] = htonl(txf_bmap[1]);
3544
3545 bna_mbox_qe_fill(&tx->mbox_qe, &ll_req, sizeof(ll_req),
3546 bna_tx_cb_stats_cleared, tx);
3547 bna_mbox_send(tx->bna, &tx->mbox_qe);
3548}
3549
3550static void
3551__bna_tx_start(struct bna_tx *tx)
3552{
3553 struct bna_txq *txq;
3554 struct list_head *qe;
3555
3556 list_for_each(qe, &tx->txq_q) {
3557 txq = (struct bna_txq *)qe;
3558 bna_ib_start(txq->ib);
3559 __bna_txq_start(tx, txq);
3560 }
3561
3562 __bna_txf_start(tx);
3563
3564 list_for_each(qe, &tx->txq_q) {
3565 txq = (struct bna_txq *)qe;
3566 txq->tcb->priority = txq->priority;
3567 (tx->tx_resume_cbfn)(tx->bna->bnad, txq->tcb);
3568 }
3569}
3570
3571static void
3572__bna_tx_stop(struct bna_tx *tx)
3573{
3574 struct bna_txq *txq;
3575 struct list_head *qe;
3576
3577 list_for_each(qe, &tx->txq_q) {
3578 txq = (struct bna_txq *)qe;
3579 (tx->tx_stall_cbfn)(tx->bna->bnad, txq->tcb);
3580 }
3581
3582 __bna_txf_stop(tx);
3583
3584 list_for_each(qe, &tx->txq_q) {
3585 txq = (struct bna_txq *)qe;
3586 bfa_wc_up(&tx->txq_stop_wc);
3587 }
3588
3589 list_for_each(qe, &tx->txq_q) {
3590 txq = (struct bna_txq *)qe;
3591 __bna_txq_stop(tx, txq);
3592 }
3593}
3594
3595static void
3596bna_txq_qpt_setup(struct bna_txq *txq, int page_count, int page_size,
3597 struct bna_mem_descr *qpt_mem,
3598 struct bna_mem_descr *swqpt_mem,
3599 struct bna_mem_descr *page_mem)
3600{
3601 int i;
3602
3603 txq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
3604 txq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
3605 txq->qpt.kv_qpt_ptr = qpt_mem->kva;
3606 txq->qpt.page_count = page_count;
3607 txq->qpt.page_size = page_size;
3608
3609 txq->tcb->sw_qpt = (void **) swqpt_mem->kva;
3610
3611 for (i = 0; i < page_count; i++) {
3612 txq->tcb->sw_qpt[i] = page_mem[i].kva;
3613
3614 ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb =
3615 page_mem[i].dma.lsb;
3616 ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb =
3617 page_mem[i].dma.msb;
3618
3619 }
3620}
3621
3622static void
3623bna_tx_free(struct bna_tx *tx)
3624{
3625 struct bna_tx_mod *tx_mod = &tx->bna->tx_mod;
3626 struct bna_txq *txq;
3627 struct bna_ib_mod *ib_mod = &tx->bna->ib_mod;
3628 struct list_head *qe;
3629
3630 while (!list_empty(&tx->txq_q)) {
3631 bfa_q_deq(&tx->txq_q, &txq);
3632 bfa_q_qe_init(&txq->qe);
3633 if (txq->ib) {
3634 if (txq->ib_seg_offset != -1)
3635 bna_ib_release_idx(txq->ib,
3636 txq->ib_seg_offset);
3637 bna_ib_put(ib_mod, txq->ib);
3638 txq->ib = NULL;
3639 }
3640 txq->tcb = NULL;
3641 txq->tx = NULL;
3642 list_add_tail(&txq->qe, &tx_mod->txq_free_q);
3643 }
3644
3645 list_for_each(qe, &tx_mod->tx_active_q) {
3646 if (qe == &tx->qe) {
3647 list_del(&tx->qe);
3648 bfa_q_qe_init(&tx->qe);
3649 break;
3650 }
3651 }
3652
3653 tx->bna = NULL;
3654 tx->priv = NULL;
3655 list_add_tail(&tx->qe, &tx_mod->tx_free_q);
3656}
3657
3658static void
3659bna_tx_cb_txq_stopped(void *arg, int status)
3660{
3661 struct bna_tx *tx = (struct bna_tx *)arg;
3662
3663 bfa_q_qe_init(&tx->mbox_qe.qe);
3664 bfa_wc_down(&tx->txq_stop_wc);
3665}
3666
3667static void
3668bna_tx_cb_txq_stopped_all(void *arg)
3669{
3670 struct bna_tx *tx = (struct bna_tx *)arg;
3671
3672 bfa_fsm_send_event(tx, TX_E_TXQ_STOPPED);
3673}
3674
3675static void
3676bna_tx_cb_stats_cleared(void *arg, int status)
3677{
3678 struct bna_tx *tx = (struct bna_tx *)arg;
3679
3680 bfa_q_qe_init(&tx->mbox_qe.qe);
3681
3682 bfa_fsm_send_event(tx, TX_E_STAT_CLEARED);
3683}
3684
3685static void
3686bna_tx_start(struct bna_tx *tx)
3687{
3688 tx->flags |= BNA_TX_F_PORT_STARTED;
3689 if (tx->flags & BNA_TX_F_ENABLED)
3690 bfa_fsm_send_event(tx, TX_E_START);
3691}
3692
3693static void
3694bna_tx_stop(struct bna_tx *tx)
3695{
3696 tx->stop_cbfn = bna_tx_mod_cb_tx_stopped;
3697 tx->stop_cbarg = &tx->bna->tx_mod;
3698
3699 tx->flags &= ~BNA_TX_F_PORT_STARTED;
3700 bfa_fsm_send_event(tx, TX_E_STOP);
3701}
3702
3703static void
3704bna_tx_fail(struct bna_tx *tx)
3705{
3706 tx->flags &= ~BNA_TX_F_PORT_STARTED;
3707 bfa_fsm_send_event(tx, TX_E_FAIL);
3708}
3709
3710static void
3711bna_tx_prio_changed(struct bna_tx *tx, int prio)
3712{
3713 struct bna_txq *txq;
3714 struct list_head *qe;
3715
3716 list_for_each(qe, &tx->txq_q) {
3717 txq = (struct bna_txq *)qe;
3718 txq->priority = prio;
3719 }
3720
3721 bfa_fsm_send_event(tx, TX_E_PRIO_CHANGE);
3722}
3723
3724static void
3725bna_tx_cee_link_status(struct bna_tx *tx, int cee_link)
3726{
3727 if (cee_link)
3728 tx->flags |= BNA_TX_F_PRIO_LOCK;
3729 else
3730 tx->flags &= ~BNA_TX_F_PRIO_LOCK;
3731}
3732
3733static void
3734bna_tx_mod_cb_tx_stopped(void *arg, struct bna_tx *tx,
3735 enum bna_cb_status status)
3736{
3737 struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;
3738
3739 bfa_wc_down(&tx_mod->tx_stop_wc);
3740}
3741
3742static void
3743bna_tx_mod_cb_tx_stopped_all(void *arg)
3744{
3745 struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;
3746
3747 if (tx_mod->stop_cbfn)
3748 tx_mod->stop_cbfn(&tx_mod->bna->port, BNA_CB_SUCCESS);
3749 tx_mod->stop_cbfn = NULL;
3750}
3751
3752void
3753bna_tx_res_req(int num_txq, int txq_depth, struct bna_res_info *res_info)
3754{
3755 u32 q_size;
3756 u32 page_count;
3757 struct bna_mem_info *mem_info;
3758
3759 res_info[BNA_TX_RES_MEM_T_TCB].res_type = BNA_RES_T_MEM;
3760 mem_info = &res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info;
3761 mem_info->mem_type = BNA_MEM_T_KVA;
3762 mem_info->len = sizeof(struct bna_tcb);
3763 mem_info->num = num_txq;
3764
3765 q_size = txq_depth * BFI_TXQ_WI_SIZE;
3766 q_size = ALIGN(q_size, PAGE_SIZE);
3767 page_count = q_size >> PAGE_SHIFT;
3768
3769 res_info[BNA_TX_RES_MEM_T_QPT].res_type = BNA_RES_T_MEM;
3770 mem_info = &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info;
3771 mem_info->mem_type = BNA_MEM_T_DMA;
3772 mem_info->len = page_count * sizeof(struct bna_dma_addr);
3773 mem_info->num = num_txq;
3774
3775 res_info[BNA_TX_RES_MEM_T_SWQPT].res_type = BNA_RES_T_MEM;
3776 mem_info = &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info;
3777 mem_info->mem_type = BNA_MEM_T_KVA;
3778 mem_info->len = page_count * sizeof(void *);
3779 mem_info->num = num_txq;
3780
3781 res_info[BNA_TX_RES_MEM_T_PAGE].res_type = BNA_RES_T_MEM;
3782 mem_info = &res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info;
3783 mem_info->mem_type = BNA_MEM_T_DMA;
3784 mem_info->len = PAGE_SIZE;
3785 mem_info->num = num_txq * page_count;
3786
3787 res_info[BNA_TX_RES_INTR_T_TXCMPL].res_type = BNA_RES_T_INTR;
3788 res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.intr_type =
3789 BNA_INTR_T_MSIX;
3790 res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.num = num_txq;
3791}
3792
3793struct bna_tx *
3794bna_tx_create(struct bna *bna, struct bnad *bnad,
3795 struct bna_tx_config *tx_cfg,
3796 struct bna_tx_event_cbfn *tx_cbfn,
3797 struct bna_res_info *res_info, void *priv)
3798{
3799 struct bna_intr_info *intr_info;
3800 struct bna_tx_mod *tx_mod = &bna->tx_mod;
3801 struct bna_tx *tx;
3802 struct bna_txq *txq;
3803 struct list_head *qe;
3804 struct bna_ib_mod *ib_mod = &bna->ib_mod;
3805 struct bna_doorbell_qset *qset;
3806 struct bna_ib_config ib_config;
3807 int page_count;
3808 int page_size;
3809 int page_idx;
3810 int i;
3811 unsigned long off;
3812
3813 intr_info = &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info;
3814 page_count = (res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.num) /
3815 tx_cfg->num_txq;
3816 page_size = res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len;
3817
3818 /**
3819 * Get resources
3820 */
3821
3822 if ((intr_info->num != 1) && (intr_info->num != tx_cfg->num_txq))
3823 return NULL;
3824
3825 /* Tx */
3826
3827 if (list_empty(&tx_mod->tx_free_q))
3828 return NULL;
3829 bfa_q_deq(&tx_mod->tx_free_q, &tx);
3830 bfa_q_qe_init(&tx->qe);
3831
3832 /* TxQs */
3833
3834 INIT_LIST_HEAD(&tx->txq_q);
3835 for (i = 0; i < tx_cfg->num_txq; i++) {
3836 if (list_empty(&tx_mod->txq_free_q))
3837 goto err_return;
3838
3839 bfa_q_deq(&tx_mod->txq_free_q, &txq);
3840 bfa_q_qe_init(&txq->qe);
3841 list_add_tail(&txq->qe, &tx->txq_q);
3842 txq->ib = NULL;
3843 txq->ib_seg_offset = -1;
3844 txq->tx = tx;
3845 }
3846
3847 /* IBs */
3848 i = 0;
3849 list_for_each(qe, &tx->txq_q) {
3850 txq = (struct bna_txq *)qe;
3851
3852 if (intr_info->num == 1)
3853 txq->ib = bna_ib_get(ib_mod, intr_info->intr_type,
3854 intr_info->idl[0].vector);
3855 else
3856 txq->ib = bna_ib_get(ib_mod, intr_info->intr_type,
3857 intr_info->idl[i].vector);
3858
3859 if (txq->ib == NULL)
3860 goto err_return;
3861
3862 txq->ib_seg_offset = bna_ib_reserve_idx(txq->ib);
3863 if (txq->ib_seg_offset == -1)
3864 goto err_return;
3865
3866 i++;
3867 }
3868
3869 /*
3870 * Initialize
3871 */
3872
3873 /* Tx */
3874
3875 tx->tcb_setup_cbfn = tx_cbfn->tcb_setup_cbfn;
3876 tx->tcb_destroy_cbfn = tx_cbfn->tcb_destroy_cbfn;
3877 /* Following callbacks are mandatory */
3878 tx->tx_stall_cbfn = tx_cbfn->tx_stall_cbfn;
3879 tx->tx_resume_cbfn = tx_cbfn->tx_resume_cbfn;
3880 tx->tx_cleanup_cbfn = tx_cbfn->tx_cleanup_cbfn;
3881
3882 list_add_tail(&tx->qe, &tx_mod->tx_active_q);
3883 tx->bna = bna;
3884 tx->priv = priv;
3885 tx->txq_stop_wc.wc_resume = bna_tx_cb_txq_stopped_all;
3886 tx->txq_stop_wc.wc_cbarg = tx;
3887 tx->txq_stop_wc.wc_count = 0;
3888
3889 tx->type = tx_cfg->tx_type;
3890
3891 tx->flags = 0;
3892 if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_PORT_STARTED) {
3893 switch (tx->type) {
3894 case BNA_TX_T_REGULAR:
3895 if (!(tx->bna->tx_mod.flags &
3896 BNA_TX_MOD_F_PORT_LOOPBACK))
3897 tx->flags |= BNA_TX_F_PORT_STARTED;
3898 break;
3899 case BNA_TX_T_LOOPBACK:
3900 if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_PORT_LOOPBACK)
3901 tx->flags |= BNA_TX_F_PORT_STARTED;
3902 break;
3903 }
3904 }
3905 if (tx->bna->tx_mod.cee_link)
3906 tx->flags |= BNA_TX_F_PRIO_LOCK;
3907
3908 /* TxQ */
3909
3910 i = 0;
3911 page_idx = 0;
3912 list_for_each(qe, &tx->txq_q) {
3913 txq = (struct bna_txq *)qe;
3914 txq->priority = tx_mod->priority;
3915 txq->tcb = (struct bna_tcb *)
3916 res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info.mdl[i].kva;
3917 txq->tx_packets = 0;
3918 txq->tx_bytes = 0;
3919
3920 /* IB */
3921
3922 ib_config.coalescing_timeo = BFI_TX_COALESCING_TIMEO;
3923 ib_config.interpkt_timeo = 0; /* Not used */
3924 ib_config.interpkt_count = BFI_TX_INTERPKT_COUNT;
3925 ib_config.ctrl_flags = (BFI_IB_CF_INTER_PKT_DMA |
3926 BFI_IB_CF_INT_ENABLE |
3927 BFI_IB_CF_COALESCING_MODE);
3928 bna_ib_config(txq->ib, &ib_config);
3929
3930 /* TCB */
3931
3932 txq->tcb->producer_index = 0;
3933 txq->tcb->consumer_index = 0;
3934 txq->tcb->hw_consumer_index = (volatile u32 *)
3935 ((volatile u8 *)txq->ib->ib_seg_host_addr_kva +
3936 (txq->ib_seg_offset * BFI_IBIDX_SIZE));
3937 *(txq->tcb->hw_consumer_index) = 0;
3938 txq->tcb->q_depth = tx_cfg->txq_depth;
3939 txq->tcb->unmap_q = (void *)
3940 res_info[BNA_TX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[i].kva;
3941 qset = (struct bna_doorbell_qset *)0;
3942 off = (unsigned long)&qset[txq->txq_id].txq[0];
3943 txq->tcb->q_dbell = off +
3944 BNA_GET_DOORBELL_BASE_ADDR(bna->pcidev.pci_bar_kva);
3945 txq->tcb->i_dbell = &txq->ib->door_bell;
3946 txq->tcb->intr_type = intr_info->intr_type;
3947 txq->tcb->intr_vector = (intr_info->num == 1) ?
3948 intr_info->idl[0].vector :
3949 intr_info->idl[i].vector;
3950 txq->tcb->txq = txq;
3951 txq->tcb->bnad = bnad;
3952 txq->tcb->id = i;
3953
3954 /* QPT, SWQPT, Pages */
3955 bna_txq_qpt_setup(txq, page_count, page_size,
3956 &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info.mdl[i],
3957 &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info.mdl[i],
3958 &res_info[BNA_TX_RES_MEM_T_PAGE].
3959 res_u.mem_info.mdl[page_idx]);
3960 txq->tcb->page_idx = page_idx;
3961 txq->tcb->page_count = page_count;
3962 page_idx += page_count;
3963
3964 /* Callback to bnad for setting up TCB */
3965 if (tx->tcb_setup_cbfn)
3966 (tx->tcb_setup_cbfn)(bna->bnad, txq->tcb);
3967
3968 i++;
3969 }
3970
3971 /* TxF */
3972
3973 tx->txf.ctrl_flags = BFI_TXF_CF_ENABLE | BFI_TXF_CF_VLAN_WI_BASED;
3974 tx->txf.vlan = 0;
3975
3976 /* Mbox element */
3977 bfa_q_qe_init(&tx->mbox_qe.qe);
3978
3979 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3980
3981 return tx;
3982
3983err_return:
3984 bna_tx_free(tx);
3985 return NULL;
3986}
3987
3988void
3989bna_tx_destroy(struct bna_tx *tx)
3990{
3991 /* Callback to bnad for destroying TCB */
3992 if (tx->tcb_destroy_cbfn) {
3993 struct bna_txq *txq;
3994 struct list_head *qe;
3995
3996 list_for_each(qe, &tx->txq_q) {
3997 txq = (struct bna_txq *)qe;
3998 (tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb);
3999 }
4000 }
4001
4002 bna_tx_free(tx);
4003}
4004
4005void
4006bna_tx_enable(struct bna_tx *tx)
4007{
4008 if (tx->fsm != (bfa_sm_t)bna_tx_sm_stopped)
4009 return;
4010
4011 tx->flags |= BNA_TX_F_ENABLED;
4012
4013 if (tx->flags & BNA_TX_F_PORT_STARTED)
4014 bfa_fsm_send_event(tx, TX_E_START);
4015}
4016
4017void
4018bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type,
4019 void (*cbfn)(void *, struct bna_tx *, enum bna_cb_status))
4020{
4021 if (type == BNA_SOFT_CLEANUP) {
4022 (*cbfn)(tx->bna->bnad, tx, BNA_CB_SUCCESS);
4023 return;
4024 }
4025
4026 tx->stop_cbfn = cbfn;
4027 tx->stop_cbarg = tx->bna->bnad;
4028
4029 tx->flags &= ~BNA_TX_F_ENABLED;
4030
4031 bfa_fsm_send_event(tx, TX_E_STOP);
4032}
4033
4034int
4035bna_tx_state_get(struct bna_tx *tx)
4036{
4037 return bfa_sm_to_state(tx_sm_table, tx->fsm);
4038}
4039
4040void
4041bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna,
4042 struct bna_res_info *res_info)
4043{
4044 int i;
4045
4046 tx_mod->bna = bna;
4047 tx_mod->flags = 0;
4048
4049 tx_mod->tx = (struct bna_tx *)
4050 res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.mdl[0].kva;
4051 tx_mod->txq = (struct bna_txq *)
4052 res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mdl[0].kva;
4053
4054 INIT_LIST_HEAD(&tx_mod->tx_free_q);
4055 INIT_LIST_HEAD(&tx_mod->tx_active_q);
4056
4057 INIT_LIST_HEAD(&tx_mod->txq_free_q);
4058
4059 for (i = 0; i < BFI_MAX_TXQ; i++) {
4060 tx_mod->tx[i].txf.txf_id = i;
4061 bfa_q_qe_init(&tx_mod->tx[i].qe);
4062 list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q);
4063
4064 tx_mod->txq[i].txq_id = i;
4065 bfa_q_qe_init(&tx_mod->txq[i].qe);
4066 list_add_tail(&tx_mod->txq[i].qe, &tx_mod->txq_free_q);
4067 }
4068
4069 tx_mod->tx_stop_wc.wc_resume = bna_tx_mod_cb_tx_stopped_all;
4070 tx_mod->tx_stop_wc.wc_cbarg = tx_mod;
4071 tx_mod->tx_stop_wc.wc_count = 0;
4072}
4073
4074void
4075bna_tx_mod_uninit(struct bna_tx_mod *tx_mod)
4076{
4077 struct list_head *qe;
4078 int i;
4079
4080 i = 0;
4081 list_for_each(qe, &tx_mod->tx_free_q)
4082 i++;
4083
4084 i = 0;
4085 list_for_each(qe, &tx_mod->txq_free_q)
4086 i++;
4087
4088 tx_mod->bna = NULL;
4089}
4090
4091void
4092bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
4093{
4094 struct bna_tx *tx;
4095 struct list_head *qe;
4096
4097 tx_mod->flags |= BNA_TX_MOD_F_PORT_STARTED;
4098 if (type == BNA_TX_T_LOOPBACK)
4099 tx_mod->flags |= BNA_TX_MOD_F_PORT_LOOPBACK;
4100
4101 list_for_each(qe, &tx_mod->tx_active_q) {
4102 tx = (struct bna_tx *)qe;
4103 if (tx->type == type)
4104 bna_tx_start(tx);
4105 }
4106}
4107
4108void
4109bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
4110{
4111 struct bna_tx *tx;
4112 struct list_head *qe;
4113
4114 tx_mod->flags &= ~BNA_TX_MOD_F_PORT_STARTED;
4115 tx_mod->flags &= ~BNA_TX_MOD_F_PORT_LOOPBACK;
4116
4117 tx_mod->stop_cbfn = bna_port_cb_tx_stopped;
4118
4119 /**
4120 * Before calling bna_tx_stop(), increment tx_stop_wc as many times
4121 * as we are going to call bna_tx_stop
4122 */
4123 list_for_each(qe, &tx_mod->tx_active_q) {
4124 tx = (struct bna_tx *)qe;
4125 if (tx->type == type)
4126 bfa_wc_up(&tx_mod->tx_stop_wc);
4127 }
4128
4129 if (tx_mod->tx_stop_wc.wc_count == 0) {
4130 tx_mod->stop_cbfn(&tx_mod->bna->port, BNA_CB_SUCCESS);
4131 tx_mod->stop_cbfn = NULL;
4132 return;
4133 }
4134
4135 list_for_each(qe, &tx_mod->tx_active_q) {
4136 tx = (struct bna_tx *)qe;
4137 if (tx->type == type)
4138 bna_tx_stop(tx);
4139 }
4140}
4141
4142void
4143bna_tx_mod_fail(struct bna_tx_mod *tx_mod)
4144{
4145 struct bna_tx *tx;
4146 struct list_head *qe;
4147
4148 tx_mod->flags &= ~BNA_TX_MOD_F_PORT_STARTED;
4149 tx_mod->flags &= ~BNA_TX_MOD_F_PORT_LOOPBACK;
4150
4151 list_for_each(qe, &tx_mod->tx_active_q) {
4152 tx = (struct bna_tx *)qe;
4153 bna_tx_fail(tx);
4154 }
4155}
4156
4157void
4158bna_tx_mod_prio_changed(struct bna_tx_mod *tx_mod, int prio)
4159{
4160 struct bna_tx *tx;
4161 struct list_head *qe;
4162
4163 if (prio != tx_mod->priority) {
4164 tx_mod->priority = prio;
4165
4166 list_for_each(qe, &tx_mod->tx_active_q) {
4167 tx = (struct bna_tx *)qe;
4168 bna_tx_prio_changed(tx, prio);
4169 }
4170 }
4171}
4172
4173void
4174bna_tx_mod_cee_link_status(struct bna_tx_mod *tx_mod, int cee_link)
4175{
4176 struct bna_tx *tx;
4177 struct list_head *qe;
4178
4179 tx_mod->cee_link = cee_link;
4180
4181 list_for_each(qe, &tx_mod->tx_active_q) {
4182 tx = (struct bna_tx *)qe;
4183 bna_tx_cee_link_status(tx, cee_link);
4184 }
4185}
diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h
new file mode 100644
index 000000000000..2f89cb235248
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bna_types.h
@@ -0,0 +1,1127 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#ifndef __BNA_TYPES_H__
19#define __BNA_TYPES_H__
20
21#include "cna.h"
22#include "bna_hw.h"
23#include "bfa_cee.h"
24
25/**
26 *
27 * Forward declarations
28 *
29 */
30
31struct bna_txq;
32struct bna_tx;
33struct bna_rxq;
34struct bna_cq;
35struct bna_rx;
36struct bna_rxf;
37struct bna_port;
38struct bna;
39struct bnad;
40
41/**
42 *
43 * Enums, primitive data types
44 *
45 */
46
47enum bna_status {
48 BNA_STATUS_T_DISABLED = 0,
49 BNA_STATUS_T_ENABLED = 1
50};
51
52enum bna_cleanup_type {
53 BNA_HARD_CLEANUP = 0,
54 BNA_SOFT_CLEANUP = 1
55};
56
57enum bna_cb_status {
58 BNA_CB_SUCCESS = 0,
59 BNA_CB_FAIL = 1,
60 BNA_CB_INTERRUPT = 2,
61 BNA_CB_BUSY = 3,
62 BNA_CB_INVALID_MAC = 4,
63 BNA_CB_MCAST_LIST_FULL = 5,
64 BNA_CB_UCAST_CAM_FULL = 6,
65 BNA_CB_WAITING = 7,
66 BNA_CB_NOT_EXEC = 8
67};
68
69enum bna_res_type {
70 BNA_RES_T_MEM = 1,
71 BNA_RES_T_INTR = 2
72};
73
74enum bna_mem_type {
75 BNA_MEM_T_KVA = 1,
76 BNA_MEM_T_DMA = 2
77};
78
79enum bna_intr_type {
80 BNA_INTR_T_INTX = 1,
81 BNA_INTR_T_MSIX = 2
82};
83
84enum bna_res_req_type {
85 BNA_RES_MEM_T_COM = 0,
86 BNA_RES_MEM_T_ATTR = 1,
87 BNA_RES_MEM_T_FWTRC = 2,
88 BNA_RES_MEM_T_STATS = 3,
89 BNA_RES_MEM_T_SWSTATS = 4,
90 BNA_RES_MEM_T_IBIDX = 5,
91 BNA_RES_MEM_T_IB_ARRAY = 6,
92 BNA_RES_MEM_T_INTR_ARRAY = 7,
93 BNA_RES_MEM_T_IDXSEG_ARRAY = 8,
94 BNA_RES_MEM_T_TX_ARRAY = 9,
95 BNA_RES_MEM_T_TXQ_ARRAY = 10,
96 BNA_RES_MEM_T_RX_ARRAY = 11,
97 BNA_RES_MEM_T_RXP_ARRAY = 12,
98 BNA_RES_MEM_T_RXQ_ARRAY = 13,
99 BNA_RES_MEM_T_UCMAC_ARRAY = 14,
100 BNA_RES_MEM_T_MCMAC_ARRAY = 15,
101 BNA_RES_MEM_T_RIT_ENTRY = 16,
102 BNA_RES_MEM_T_RIT_SEGMENT = 17,
103 BNA_RES_INTR_T_MBOX = 18,
104 BNA_RES_T_MAX
105};
106
107enum bna_tx_res_req_type {
108 BNA_TX_RES_MEM_T_TCB = 0,
109 BNA_TX_RES_MEM_T_UNMAPQ = 1,
110 BNA_TX_RES_MEM_T_QPT = 2,
111 BNA_TX_RES_MEM_T_SWQPT = 3,
112 BNA_TX_RES_MEM_T_PAGE = 4,
113 BNA_TX_RES_INTR_T_TXCMPL = 5,
114 BNA_TX_RES_T_MAX,
115};
116
117enum bna_rx_mem_type {
118 BNA_RX_RES_MEM_T_CCB = 0, /* CQ context */
119 BNA_RX_RES_MEM_T_RCB = 1, /* CQ context */
120 BNA_RX_RES_MEM_T_UNMAPQ = 2, /* UnmapQ for RxQs */
121 BNA_RX_RES_MEM_T_CQPT = 3, /* CQ QPT */
122 BNA_RX_RES_MEM_T_CSWQPT = 4, /* S/W QPT */
123 BNA_RX_RES_MEM_T_CQPT_PAGE = 5, /* CQPT page */
124 BNA_RX_RES_MEM_T_HQPT = 6, /* RX QPT */
125 BNA_RX_RES_MEM_T_DQPT = 7, /* RX QPT */
126 BNA_RX_RES_MEM_T_HSWQPT = 8, /* RX s/w QPT */
127 BNA_RX_RES_MEM_T_DSWQPT = 9, /* RX s/w QPT */
128 BNA_RX_RES_MEM_T_DPAGE = 10, /* RX s/w QPT */
129 BNA_RX_RES_MEM_T_HPAGE = 11, /* RX s/w QPT */
130 BNA_RX_RES_T_INTR = 12, /* Rx interrupts */
131 BNA_RX_RES_T_MAX = 13
132};
133
134enum bna_mbox_state {
135 BNA_MBOX_FREE = 0,
136 BNA_MBOX_POSTED = 1
137};
138
139enum bna_tx_type {
140 BNA_TX_T_REGULAR = 0,
141 BNA_TX_T_LOOPBACK = 1,
142};
143
144enum bna_tx_flags {
145 BNA_TX_F_PORT_STARTED = 1,
146 BNA_TX_F_ENABLED = 2,
147 BNA_TX_F_PRIO_LOCK = 4,
148};
149
150enum bna_tx_mod_flags {
151 BNA_TX_MOD_F_PORT_STARTED = 1,
152 BNA_TX_MOD_F_PORT_LOOPBACK = 2,
153};
154
155enum bna_rx_type {
156 BNA_RX_T_REGULAR = 0,
157 BNA_RX_T_LOOPBACK = 1,
158};
159
160enum bna_rxp_type {
161 BNA_RXP_SINGLE = 1,
162 BNA_RXP_SLR = 2,
163 BNA_RXP_HDS = 3
164};
165
166enum bna_rxmode {
167 BNA_RXMODE_PROMISC = 1,
168 BNA_RXMODE_ALLMULTI = 2
169};
170
171enum bna_rx_event {
172 RX_E_START = 1,
173 RX_E_STOP = 2,
174 RX_E_FAIL = 3,
175 RX_E_RXF_STARTED = 4,
176 RX_E_RXF_STOPPED = 5,
177 RX_E_RXQ_STOPPED = 6,
178};
179
180enum bna_rx_state {
181 BNA_RX_STOPPED = 1,
182 BNA_RX_RXF_START_WAIT = 2,
183 BNA_RX_STARTED = 3,
184 BNA_RX_RXF_STOP_WAIT = 4,
185 BNA_RX_RXQ_STOP_WAIT = 5,
186};
187
188enum bna_rx_flags {
189 BNA_RX_F_ENABLE = 0x01, /* bnad enabled rxf */
190 BNA_RX_F_PORT_ENABLED = 0x02, /* Port object is enabled */
191 BNA_RX_F_PORT_FAILED = 0x04, /* Port in failed state */
192};
193
194enum bna_rx_mod_flags {
195 BNA_RX_MOD_F_PORT_STARTED = 1,
196 BNA_RX_MOD_F_PORT_LOOPBACK = 2,
197};
198
199enum bna_rxf_oper_state {
200 BNA_RXF_OPER_STATE_RUNNING = 0x01, /* rxf operational */
201 BNA_RXF_OPER_STATE_PAUSED = 0x02, /* rxf in PAUSED state */
202};
203
204enum bna_rxf_flags {
205 BNA_RXF_FL_STOP_PENDING = 0x01,
206 BNA_RXF_FL_FAILED = 0x02,
207 BNA_RXF_FL_RSS_CONFIG_PENDING = 0x04,
208 BNA_RXF_FL_OPERSTATE_CHANGED = 0x08,
209 BNA_RXF_FL_RXF_ENABLED = 0x10,
210 BNA_RXF_FL_VLAN_CONFIG_PENDING = 0x20,
211};
212
213enum bna_rxf_event {
214 RXF_E_START = 1,
215 RXF_E_STOP = 2,
216 RXF_E_FAIL = 3,
217 RXF_E_CAM_FLTR_MOD = 4,
218 RXF_E_STARTED = 5,
219 RXF_E_STOPPED = 6,
220 RXF_E_CAM_FLTR_RESP = 7,
221 RXF_E_PAUSE = 8,
222 RXF_E_RESUME = 9,
223 RXF_E_STAT_CLEARED = 10,
224};
225
226enum bna_rxf_state {
227 BNA_RXF_STOPPED = 1,
228 BNA_RXF_START_WAIT = 2,
229 BNA_RXF_CAM_FLTR_MOD_WAIT = 3,
230 BNA_RXF_STARTED = 4,
231 BNA_RXF_CAM_FLTR_CLR_WAIT = 5,
232 BNA_RXF_STOP_WAIT = 6,
233 BNA_RXF_PAUSE_WAIT = 7,
234 BNA_RXF_RESUME_WAIT = 8,
235 BNA_RXF_STAT_CLR_WAIT = 9,
236};
237
238enum bna_port_type {
239 BNA_PORT_T_REGULAR = 0,
240 BNA_PORT_T_LOOPBACK_INTERNAL = 1,
241 BNA_PORT_T_LOOPBACK_EXTERNAL = 2,
242};
243
244enum bna_link_status {
245 BNA_LINK_DOWN = 0,
246 BNA_LINK_UP = 1,
247 BNA_CEE_UP = 2
248};
249
250enum bna_llport_flags {
251 BNA_LLPORT_F_ADMIN_UP = 1,
252 BNA_LLPORT_F_PORT_ENABLED = 2,
253 BNA_LLPORT_F_RX_STARTED = 4
254};
255
256enum bna_port_flags {
257 BNA_PORT_F_DEVICE_READY = 1,
258 BNA_PORT_F_ENABLED = 2,
259 BNA_PORT_F_PAUSE_CHANGED = 4,
260 BNA_PORT_F_MTU_CHANGED = 8
261};
262
263enum bna_pkt_rates {
264 BNA_PKT_RATE_10K = 10000,
265 BNA_PKT_RATE_20K = 20000,
266 BNA_PKT_RATE_30K = 30000,
267 BNA_PKT_RATE_40K = 40000,
268 BNA_PKT_RATE_50K = 50000,
269 BNA_PKT_RATE_60K = 60000,
270 BNA_PKT_RATE_70K = 70000,
271 BNA_PKT_RATE_80K = 80000,
272};
273
274enum bna_dim_load_types {
275 BNA_LOAD_T_HIGH_4 = 0, /* 80K <= r */
276 BNA_LOAD_T_HIGH_3 = 1, /* 60K <= r < 80K */
277 BNA_LOAD_T_HIGH_2 = 2, /* 50K <= r < 60K */
278 BNA_LOAD_T_HIGH_1 = 3, /* 40K <= r < 50K */
279 BNA_LOAD_T_LOW_1 = 4, /* 30K <= r < 40K */
280 BNA_LOAD_T_LOW_2 = 5, /* 20K <= r < 30K */
281 BNA_LOAD_T_LOW_3 = 6, /* 10K <= r < 20K */
282 BNA_LOAD_T_LOW_4 = 7, /* r < 10K */
283 BNA_LOAD_T_MAX = 8
284};
285
286enum bna_dim_bias_types {
287 BNA_BIAS_T_SMALL = 0, /* small pkts > (large pkts * 2) */
288 BNA_BIAS_T_LARGE = 1, /* Not BNA_BIAS_T_SMALL */
289 BNA_BIAS_T_MAX = 2
290};
291
292struct bna_mac {
293 /* This should be the first one */
294 struct list_head qe;
295 u8 addr[ETH_ALEN];
296};
297
298struct bna_mem_descr {
299 u32 len;
300 void *kva;
301 struct bna_dma_addr dma;
302};
303
304struct bna_mem_info {
305 enum bna_mem_type mem_type;
306 u32 len;
307 u32 num;
308 u32 align_sz; /* 0/1 = no alignment */
309 struct bna_mem_descr *mdl;
310 void *cookie; /* For bnad to unmap dma later */
311};
312
313struct bna_intr_descr {
314 int vector;
315};
316
317struct bna_intr_info {
318 enum bna_intr_type intr_type;
319 int num;
320 struct bna_intr_descr *idl;
321};
322
323union bna_res_u {
324 struct bna_mem_info mem_info;
325 struct bna_intr_info intr_info;
326};
327
328struct bna_res_info {
329 enum bna_res_type res_type;
330 union bna_res_u res_u;
331};
332
333/* HW QPT */
334struct bna_qpt {
335 struct bna_dma_addr hw_qpt_ptr;
336 void *kv_qpt_ptr;
337 u32 page_count;
338 u32 page_size;
339};
340
341/**
342 *
343 * Device
344 *
345 */
346
347struct bna_device {
348 bfa_fsm_t fsm;
349 struct bfa_ioc ioc;
350
351 enum bna_intr_type intr_type;
352 int vector;
353
354 void (*ready_cbfn)(struct bnad *bnad, enum bna_cb_status status);
355 struct bnad *ready_cbarg;
356
357 void (*stop_cbfn)(struct bnad *bnad, enum bna_cb_status status);
358 struct bnad *stop_cbarg;
359
360 struct bna *bna;
361};
362
363/**
364 *
365 * Mail box
366 *
367 */
368
369struct bna_mbox_qe {
370 /* This should be the first one */
371 struct list_head qe;
372
373 struct bfa_mbox_cmd cmd;
374 u32 cmd_len;
375 /* Callback for port, tx, rx, rxf */
376 void (*cbfn)(void *arg, int status);
377 void *cbarg;
378};
379
380struct bna_mbox_mod {
381 enum bna_mbox_state state;
382 struct list_head posted_q;
383 u32 msg_pending;
384 u32 msg_ctr;
385 struct bna *bna;
386};
387
388/**
389 *
390 * Port
391 *
392 */
393
394/* Pause configuration */
395struct bna_pause_config {
396 enum bna_status tx_pause;
397 enum bna_status rx_pause;
398};
399
400struct bna_llport {
401 bfa_fsm_t fsm;
402 enum bna_llport_flags flags;
403
404 enum bna_port_type type;
405
406 enum bna_link_status link_status;
407
408 int rx_started_count;
409
410 void (*stop_cbfn)(struct bna_port *, enum bna_cb_status);
411
412 struct bna_mbox_qe mbox_qe;
413
414 struct bna *bna;
415};
416
417struct bna_port {
418 bfa_fsm_t fsm;
419 enum bna_port_flags flags;
420
421 enum bna_port_type type;
422
423 struct bna_llport llport;
424
425 struct bna_pause_config pause_config;
426 u8 priority;
427 int mtu;
428
429 /* Callback for bna_port_disable(), port_stop() */
430 void (*stop_cbfn)(void *, enum bna_cb_status);
431 void *stop_cbarg;
432
433 /* Callback for bna_port_pause_config() */
434 void (*pause_cbfn)(struct bnad *, enum bna_cb_status);
435
436 /* Callback for bna_port_mtu_set() */
437 void (*mtu_cbfn)(struct bnad *, enum bna_cb_status);
438
439 void (*link_cbfn)(struct bnad *, enum bna_link_status);
440
441 struct bfa_wc chld_stop_wc;
442
443 struct bna_mbox_qe mbox_qe;
444
445 struct bna *bna;
446};
447
448/**
449 *
450 * Interrupt Block
451 *
452 */
453
454/* IB index segment structure */
455struct bna_ibidx_seg {
456 /* This should be the first one */
457 struct list_head qe;
458
459 u8 ib_seg_size;
460 u8 ib_idx_tbl_offset;
461};
462
463/* Interrupt structure */
464struct bna_intr {
465 /* This should be the first one */
466 struct list_head qe;
467 int ref_count;
468
469 enum bna_intr_type intr_type;
470 int vector;
471
472 struct bna_ib *ib;
473};
474
475/* Doorbell structure */
476struct bna_ib_dbell {
477 void *__iomem doorbell_addr;
478 u32 doorbell_ack;
479};
480
481/* Interrupt timer configuration */
482struct bna_ib_config {
483 u8 coalescing_timeo; /* Unit is 5usec. */
484
485 int interpkt_count;
486 int interpkt_timeo;
487
488 enum ib_flags ctrl_flags;
489};
490
491/* IB structure */
492struct bna_ib {
493 /* This should be the first one */
494 struct list_head qe;
495
496 int ib_id;
497
498 int ref_count;
499 int start_count;
500
501 struct bna_dma_addr ib_seg_host_addr;
502 void *ib_seg_host_addr_kva;
503 u32 idx_mask; /* Size >= BNA_IBIDX_MAX_SEGSIZE */
504
505 struct bna_ibidx_seg *idx_seg;
506
507 struct bna_ib_dbell door_bell;
508
509 struct bna_intr *intr;
510
511 struct bna_ib_config ib_config;
512
513 struct bna *bna;
514};
515
516/* IB module - keeps track of IBs and interrupts */
517struct bna_ib_mod {
518 struct bna_ib *ib; /* BFI_MAX_IB entries */
519 struct bna_intr *intr; /* BFI_MAX_IB entries */
520 struct bna_ibidx_seg *idx_seg; /* BNA_IBIDX_TOTAL_SEGS */
521
522 struct list_head ib_free_q;
523
524 struct list_head ibidx_seg_pool[BFI_IBIDX_TOTAL_POOLS];
525
526 struct list_head intr_free_q;
527 struct list_head intr_active_q;
528
529 struct bna *bna;
530};
531
532/**
533 *
534 * Tx object
535 *
536 */
537
538/* Tx datapath control structure */
539#define BNA_Q_NAME_SIZE 16
540struct bna_tcb {
541 /* Fast path */
542 void **sw_qpt;
543 void *unmap_q;
544 u32 producer_index;
545 u32 consumer_index;
546 volatile u32 *hw_consumer_index;
547 u32 q_depth;
548 void *__iomem q_dbell;
549 struct bna_ib_dbell *i_dbell;
550 int page_idx;
551 int page_count;
552 /* Control path */
553 struct bna_txq *txq;
554 struct bnad *bnad;
555 enum bna_intr_type intr_type;
556 int intr_vector;
557 u8 priority; /* Current priority */
558 unsigned long flags; /* Used by bnad as required */
559 int id;
560 char name[BNA_Q_NAME_SIZE];
561};
562
563/* TxQ QPT and configuration */
564struct bna_txq {
565 /* This should be the first one */
566 struct list_head qe;
567
568 int txq_id;
569
570 u8 priority;
571
572 struct bna_qpt qpt;
573 struct bna_tcb *tcb;
574 struct bna_ib *ib;
575 int ib_seg_offset;
576
577 struct bna_tx *tx;
578
579 u64 tx_packets;
580 u64 tx_bytes;
581};
582
583/* TxF structure (hardware Tx Function) */
584struct bna_txf {
585 int txf_id;
586 enum txf_flags ctrl_flags;
587 u16 vlan;
588};
589
590/* Tx object */
591struct bna_tx {
592 /* This should be the first one */
593 struct list_head qe;
594
595 bfa_fsm_t fsm;
596 enum bna_tx_flags flags;
597
598 enum bna_tx_type type;
599
600 struct list_head txq_q;
601 struct bna_txf txf;
602
603 /* Tx event handlers */
604 void (*tcb_setup_cbfn)(struct bnad *, struct bna_tcb *);
605 void (*tcb_destroy_cbfn)(struct bnad *, struct bna_tcb *);
606 void (*tx_stall_cbfn)(struct bnad *, struct bna_tcb *);
607 void (*tx_resume_cbfn)(struct bnad *, struct bna_tcb *);
608 void (*tx_cleanup_cbfn)(struct bnad *, struct bna_tcb *);
609
610 /* callback for bna_tx_disable(), bna_tx_stop() */
611 void (*stop_cbfn)(void *arg, struct bna_tx *tx,
612 enum bna_cb_status status);
613 void *stop_cbarg;
614
615 /* callback for bna_tx_prio_set() */
616 void (*prio_change_cbfn)(struct bnad *bnad, struct bna_tx *tx,
617 enum bna_cb_status status);
618
619 struct bfa_wc txq_stop_wc;
620
621 struct bna_mbox_qe mbox_qe;
622
623 struct bna *bna;
624 void *priv; /* bnad's cookie */
625};
626
627struct bna_tx_config {
628 int num_txq;
629 int txq_depth;
630 enum bna_tx_type tx_type;
631};
632
633struct bna_tx_event_cbfn {
634 /* Optional */
635 void (*tcb_setup_cbfn)(struct bnad *, struct bna_tcb *);
636 void (*tcb_destroy_cbfn)(struct bnad *, struct bna_tcb *);
637 /* Mandatory */
638 void (*tx_stall_cbfn)(struct bnad *, struct bna_tcb *);
639 void (*tx_resume_cbfn)(struct bnad *, struct bna_tcb *);
640 void (*tx_cleanup_cbfn)(struct bnad *, struct bna_tcb *);
641};
642
643/* Tx module - keeps track of free, active tx objects */
644struct bna_tx_mod {
645 struct bna_tx *tx; /* BFI_MAX_TXQ entries */
646 struct bna_txq *txq; /* BFI_MAX_TXQ entries */
647
648 struct list_head tx_free_q;
649 struct list_head tx_active_q;
650
651 struct list_head txq_free_q;
652
653 /* callback for bna_tx_mod_stop() */
654 void (*stop_cbfn)(struct bna_port *port,
655 enum bna_cb_status status);
656
657 struct bfa_wc tx_stop_wc;
658
659 enum bna_tx_mod_flags flags;
660
661 int priority;
662 int cee_link;
663
664 u32 txf_bmap[2];
665
666 struct bna *bna;
667};
668
669/**
670 *
671 * Receive Indirection Table
672 *
673 */
674
675/* One row of RIT table */
676struct bna_rit_entry {
677 u8 large_rxq_id; /* used for either large or data buffers */
678 u8 small_rxq_id; /* used for either small or header buffers */
679};
680
681/* RIT segment */
682struct bna_rit_segment {
683 struct list_head qe;
684
685 u32 rit_offset;
686 u32 rit_size;
687 /**
688 * max_rit_size: Varies per RIT segment depending on how RIT is
689 * partitioned
690 */
691 u32 max_rit_size;
692
693 struct bna_rit_entry *rit;
694};
695
696struct bna_rit_mod {
697 struct bna_rit_entry *rit;
698 struct bna_rit_segment *rit_segment;
699
700 struct list_head rit_seg_pool[BFI_RIT_SEG_TOTAL_POOLS];
701};
702
703/**
704 *
705 * Rx object
706 *
707 */
708
709/* Rx datapath control structure */
710struct bna_rcb {
711 /* Fast path */
712 void **sw_qpt;
713 void *unmap_q;
714 u32 producer_index;
715 u32 consumer_index;
716 u32 q_depth;
717 void *__iomem q_dbell;
718 int page_idx;
719 int page_count;
720 /* Control path */
721 struct bna_rxq *rxq;
722 struct bna_cq *cq;
723 struct bnad *bnad;
724 unsigned long flags;
725 int id;
726};
727
728/* RxQ structure - QPT, configuration */
729struct bna_rxq {
730 struct list_head qe;
731 int rxq_id;
732
733 int buffer_size;
734 int q_depth;
735
736 struct bna_qpt qpt;
737 struct bna_rcb *rcb;
738
739 struct bna_rxp *rxp;
740 struct bna_rx *rx;
741
742 u64 rx_packets;
743 u64 rx_bytes;
744 u64 rx_packets_with_error;
745 u64 rxbuf_alloc_failed;
746};
747
748/* RxQ pair */
749union bna_rxq_u {
750 struct {
751 struct bna_rxq *hdr;
752 struct bna_rxq *data;
753 } hds;
754 struct {
755 struct bna_rxq *small;
756 struct bna_rxq *large;
757 } slr;
758 struct {
759 struct bna_rxq *only;
760 struct bna_rxq *reserved;
761 } single;
762};
763
764/* Packet rate for Dynamic Interrupt Moderation */
765struct bna_pkt_rate {
766 u32 small_pkt_cnt;
767 u32 large_pkt_cnt;
768};
769
770/* Completion control structure */
771struct bna_ccb {
772 /* Fast path */
773 void **sw_qpt;
774 u32 producer_index;
775 volatile u32 *hw_producer_index;
776 u32 q_depth;
777 struct bna_ib_dbell *i_dbell;
778 struct bna_rcb *rcb[2];
779 void *ctrl; /* For bnad */
780 struct bna_pkt_rate pkt_rate;
781 int page_idx;
782 int page_count;
783
784 /* Control path */
785 struct bna_cq *cq;
786 struct bnad *bnad;
787 enum bna_intr_type intr_type;
788 int intr_vector;
789 u8 rx_coalescing_timeo; /* For NAPI */
790 int id;
791 char name[BNA_Q_NAME_SIZE];
792};
793
794/* CQ QPT, configuration */
795struct bna_cq {
796 int cq_id;
797
798 struct bna_qpt qpt;
799 struct bna_ccb *ccb;
800
801 struct bna_ib *ib;
802 u8 ib_seg_offset;
803
804 struct bna_rx *rx;
805};
806
807struct bna_rss_config {
808 enum rss_hash_type hash_type;
809 u8 hash_mask;
810 u32 toeplitz_hash_key[BFI_RSS_HASH_KEY_LEN];
811};
812
813struct bna_hds_config {
814 enum hds_header_type hdr_type;
815 int header_size;
816};
817
818/* This structure is used during RX creation */
819struct bna_rx_config {
820 enum bna_rx_type rx_type;
821 int num_paths;
822 enum bna_rxp_type rxp_type;
823 int paused;
824 int q_depth;
825 /*
826 * Small/Large (or Header/Data) buffer size to be configured
827 * for SLR and HDS queue type. Large buffer size comes from
828 * port->mtu.
829 */
830 int small_buff_size;
831
832 enum bna_status rss_status;
833 struct bna_rss_config rss_config;
834
835 enum bna_status hds_status;
836 struct bna_hds_config hds_config;
837
838 enum bna_status vlan_strip_status;
839};
840
841/* Rx Path structure - one per MSIX vector/CPU */
842struct bna_rxp {
843 /* This should be the first one */
844 struct list_head qe;
845
846 enum bna_rxp_type type;
847 union bna_rxq_u rxq;
848 struct bna_cq cq;
849
850 struct bna_rx *rx;
851
852 /* MSI-x vector number for configuring RSS */
853 int vector;
854
855 struct bna_mbox_qe mbox_qe;
856};
857
858/* HDS configuration structure */
859struct bna_rxf_hds {
860 enum hds_header_type hdr_type;
861 int header_size;
862};
863
864/* RSS configuration structure */
865struct bna_rxf_rss {
866 enum rss_hash_type hash_type;
867 u8 hash_mask;
868 u32 toeplitz_hash_key[BFI_RSS_HASH_KEY_LEN];
869};
870
871/* RxF structure (hardware Rx Function) */
872struct bna_rxf {
873 bfa_fsm_t fsm;
874 int rxf_id;
875 enum rxf_flags ctrl_flags;
876 u16 default_vlan_tag;
877 enum bna_rxf_oper_state rxf_oper_state;
878 enum bna_status hds_status;
879 struct bna_rxf_hds hds_cfg;
880 enum bna_status rss_status;
881 struct bna_rxf_rss rss_cfg;
882 struct bna_rit_segment *rit_segment;
883 struct bna_rx *rx;
884 u32 forced_offset;
885 struct bna_mbox_qe mbox_qe;
886 int mcast_rxq_id;
887
888 /* callback for bna_rxf_start() */
889 void (*start_cbfn) (struct bna_rx *rx, enum bna_cb_status status);
890 struct bna_rx *start_cbarg;
891
892 /* callback for bna_rxf_stop() */
893 void (*stop_cbfn) (struct bna_rx *rx, enum bna_cb_status status);
894 struct bna_rx *stop_cbarg;
895
896 /* callback for bna_rxf_receive_enable() / bna_rxf_receive_disable() */
897 void (*oper_state_cbfn) (struct bnad *bnad, struct bna_rx *rx,
898 enum bna_cb_status status);
899 struct bnad *oper_state_cbarg;
900
901 /**
902 * callback for:
903 * bna_rxf_ucast_set()
904 * bna_rxf_{ucast/mcast}_add(),
905 * bna_rxf_{ucast/mcast}_del(),
906 * bna_rxf_mode_set()
907 */
908 void (*cam_fltr_cbfn)(struct bnad *bnad, struct bna_rx *rx,
909 enum bna_cb_status status);
910 struct bnad *cam_fltr_cbarg;
911
912 enum bna_rxf_flags rxf_flags;
913
914 /* List of unicast addresses yet to be applied to h/w */
915 struct list_head ucast_pending_add_q;
916 struct list_head ucast_pending_del_q;
917 int ucast_pending_set;
918 /* ucast addresses applied to the h/w */
919 struct list_head ucast_active_q;
920 struct bna_mac *ucast_active_mac;
921
922 /* List of multicast addresses yet to be applied to h/w */
923 struct list_head mcast_pending_add_q;
924 struct list_head mcast_pending_del_q;
925 /* multicast addresses applied to the h/w */
926 struct list_head mcast_active_q;
927
928 /* Rx modes yet to be applied to h/w */
929 enum bna_rxmode rxmode_pending;
930 enum bna_rxmode rxmode_pending_bitmask;
931 /* Rx modes applied to h/w */
932 enum bna_rxmode rxmode_active;
933
934 enum bna_status vlan_filter_status;
935 u32 vlan_filter_table[(BFI_MAX_VLAN + 1) / 32];
936};
937
938/* Rx object */
939struct bna_rx {
940 /* This should be the first one */
941 struct list_head qe;
942
943 bfa_fsm_t fsm;
944
945 enum bna_rx_type type;
946
947 /* list-head for RX path objects */
948 struct list_head rxp_q;
949
950 struct bna_rxf rxf;
951
952 enum bna_rx_flags rx_flags;
953
954 struct bna_mbox_qe mbox_qe;
955
956 struct bfa_wc rxq_stop_wc;
957
958 /* Rx event handlers */
959 void (*rcb_setup_cbfn)(struct bnad *, struct bna_rcb *);
960 void (*rcb_destroy_cbfn)(struct bnad *, struct bna_rcb *);
961 void (*ccb_setup_cbfn)(struct bnad *, struct bna_ccb *);
962 void (*ccb_destroy_cbfn)(struct bnad *, struct bna_ccb *);
963 void (*rx_cleanup_cbfn)(struct bnad *, struct bna_ccb *);
964 void (*rx_post_cbfn)(struct bnad *, struct bna_rcb *);
965
966 /* callback for bna_rx_disable(), bna_rx_stop() */
967 void (*stop_cbfn)(void *arg, struct bna_rx *rx,
968 enum bna_cb_status status);
969 void *stop_cbarg;
970
971 struct bna *bna;
972 void *priv; /* bnad's cookie */
973};
974
975struct bna_rx_event_cbfn {
976 /* Optional */
977 void (*rcb_setup_cbfn)(struct bnad *, struct bna_rcb *);
978 void (*rcb_destroy_cbfn)(struct bnad *, struct bna_rcb *);
979 void (*ccb_setup_cbfn)(struct bnad *, struct bna_ccb *);
980 void (*ccb_destroy_cbfn)(struct bnad *, struct bna_ccb *);
981 /* Mandatory */
982 void (*rx_cleanup_cbfn)(struct bnad *, struct bna_ccb *);
983 void (*rx_post_cbfn)(struct bnad *, struct bna_rcb *);
984};
985
986/* Rx module - keeps track of free, active rx objects */
987struct bna_rx_mod {
988 struct bna *bna; /* back pointer to parent */
989 struct bna_rx *rx; /* BFI_MAX_RXQ entries */
990 struct bna_rxp *rxp; /* BFI_MAX_RXQ entries */
991 struct bna_rxq *rxq; /* BFI_MAX_RXQ entries */
992
993 struct list_head rx_free_q;
994 struct list_head rx_active_q;
995 int rx_free_count;
996
997 struct list_head rxp_free_q;
998 int rxp_free_count;
999
1000 struct list_head rxq_free_q;
1001 int rxq_free_count;
1002
1003 enum bna_rx_mod_flags flags;
1004
1005 /* callback for bna_rx_mod_stop() */
1006 void (*stop_cbfn)(struct bna_port *port,
1007 enum bna_cb_status status);
1008
1009 struct bfa_wc rx_stop_wc;
1010 u32 dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX];
1011 u32 rxf_bmap[2];
1012};
1013
1014/**
1015 *
1016 * CAM
1017 *
1018 */
1019
1020struct bna_ucam_mod {
1021 struct bna_mac *ucmac; /* BFI_MAX_UCMAC entries */
1022 struct list_head free_q;
1023
1024 struct bna *bna;
1025};
1026
1027struct bna_mcam_mod {
1028 struct bna_mac *mcmac; /* BFI_MAX_MCMAC entries */
1029 struct list_head free_q;
1030
1031 struct bna *bna;
1032};
1033
1034/**
1035 *
1036 * Statistics
1037 *
1038 */
1039
1040struct bna_tx_stats {
1041 int tx_state;
1042 int tx_flags;
1043 int num_txqs;
1044 u32 txq_bmap[2];
1045 int txf_id;
1046};
1047
1048struct bna_rx_stats {
1049 int rx_state;
1050 int rx_flags;
1051 int num_rxps;
1052 int num_rxqs;
1053 u32 rxq_bmap[2];
1054 u32 cq_bmap[2];
1055 int rxf_id;
1056 int rxf_state;
1057 int rxf_oper_state;
1058 int num_active_ucast;
1059 int num_active_mcast;
1060 int rxmode_active;
1061 int vlan_filter_status;
1062 u32 vlan_filter_table[(BFI_MAX_VLAN + 1) / 32];
1063 int rss_status;
1064 int hds_status;
1065};
1066
1067struct bna_sw_stats {
1068 int device_state;
1069 int port_state;
1070 int port_flags;
1071 int llport_state;
1072 int priority;
1073 int num_active_tx;
1074 int num_active_rx;
1075 struct bna_tx_stats tx_stats[BFI_MAX_TXQ];
1076 struct bna_rx_stats rx_stats[BFI_MAX_RXQ];
1077};
1078
1079struct bna_stats {
1080 u32 txf_bmap[2];
1081 u32 rxf_bmap[2];
1082 struct bfi_ll_stats *hw_stats;
1083 struct bna_sw_stats *sw_stats;
1084};
1085
1086/**
1087 *
1088 * BNA
1089 *
1090 */
1091
1092struct bna {
1093 struct bfa_pcidev pcidev;
1094
1095 int port_num;
1096
1097 struct bna_chip_regs regs;
1098
1099 struct bna_dma_addr hw_stats_dma;
1100 struct bna_stats stats;
1101
1102 struct bna_device device;
1103 struct bfa_cee cee;
1104
1105 struct bna_mbox_mod mbox_mod;
1106
1107 struct bna_port port;
1108
1109 struct bna_tx_mod tx_mod;
1110
1111 struct bna_rx_mod rx_mod;
1112
1113 struct bna_ib_mod ib_mod;
1114
1115 struct bna_ucam_mod ucam_mod;
1116 struct bna_mcam_mod mcam_mod;
1117
1118 struct bna_rit_mod rit_mod;
1119
1120 int rxf_promisc_id;
1121
1122 struct bna_mbox_qe mbox_qe;
1123
1124 struct bnad *bnad;
1125};
1126
1127#endif /* __BNA_TYPES_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
new file mode 100644
index 000000000000..8e35b2596f93
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -0,0 +1,3266 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#include <linux/bitops.h>
19#include <linux/netdevice.h>
20#include <linux/skbuff.h>
21#include <linux/etherdevice.h>
22#include <linux/in.h>
23#include <linux/ethtool.h>
24#include <linux/if_vlan.h>
25#include <linux/if_ether.h>
26#include <linux/ip.h>
27#include <linux/prefetch.h>
28
29#include "bnad.h"
30#include "bna.h"
31#include "cna.h"
32
33static DEFINE_MUTEX(bnad_fwimg_mutex);
34
35/*
36 * Module params
37 */
38static uint bnad_msix_disable;
39module_param(bnad_msix_disable, uint, 0444);
40MODULE_PARM_DESC(bnad_msix_disable, "Disable MSIX mode");
41
42static uint bnad_ioc_auto_recover = 1;
43module_param(bnad_ioc_auto_recover, uint, 0444);
44MODULE_PARM_DESC(bnad_ioc_auto_recover, "Enable / Disable auto recovery");
45
46/*
47 * Global variables
48 */
49u32 bnad_rxqs_per_cq = 2;
50
51static const u8 bnad_bcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
52
53/*
54 * Local MACROS
55 */
56#define BNAD_TX_UNMAPQ_DEPTH (bnad->txq_depth * 2)
57
58#define BNAD_RX_UNMAPQ_DEPTH (bnad->rxq_depth)
59
60#define BNAD_GET_MBOX_IRQ(_bnad) \
61 (((_bnad)->cfg_flags & BNAD_CF_MSIX) ? \
62 ((_bnad)->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector) : \
63 ((_bnad)->pcidev->irq))
64
65#define BNAD_FILL_UNMAPQ_MEM_REQ(_res_info, _num, _depth) \
66do { \
67 (_res_info)->res_type = BNA_RES_T_MEM; \
68 (_res_info)->res_u.mem_info.mem_type = BNA_MEM_T_KVA; \
69 (_res_info)->res_u.mem_info.num = (_num); \
70 (_res_info)->res_u.mem_info.len = \
71 sizeof(struct bnad_unmap_q) + \
72 (sizeof(struct bnad_skb_unmap) * ((_depth) - 1)); \
73} while (0)
74
75#define BNAD_TXRX_SYNC_MDELAY 250 /* 250 msecs */
76
77/*
78 * Reinitialize completions in CQ, once Rx is taken down
79 */
80static void
81bnad_cq_cmpl_init(struct bnad *bnad, struct bna_ccb *ccb)
82{
83 struct bna_cq_entry *cmpl, *next_cmpl;
84 unsigned int wi_range, wis = 0, ccb_prod = 0;
85 int i;
86
87 BNA_CQ_QPGE_PTR_GET(ccb_prod, ccb->sw_qpt, cmpl,
88 wi_range);
89
90 for (i = 0; i < ccb->q_depth; i++) {
91 wis++;
92 if (likely(--wi_range))
93 next_cmpl = cmpl + 1;
94 else {
95 BNA_QE_INDX_ADD(ccb_prod, wis, ccb->q_depth);
96 wis = 0;
97 BNA_CQ_QPGE_PTR_GET(ccb_prod, ccb->sw_qpt,
98 next_cmpl, wi_range);
99 }
100 cmpl->valid = 0;
101 cmpl = next_cmpl;
102 }
103}
104
105/*
106 * Frees all pending Tx Bufs
107 * At this point no activity is expected on the Q,
108 * so DMA unmap & freeing is fine.
109 */
110static void
111bnad_free_all_txbufs(struct bnad *bnad,
112 struct bna_tcb *tcb)
113{
114 u32 unmap_cons;
115 struct bnad_unmap_q *unmap_q = tcb->unmap_q;
116 struct bnad_skb_unmap *unmap_array;
117 struct sk_buff *skb = NULL;
118 int i;
119
120 unmap_array = unmap_q->unmap_array;
121
122 unmap_cons = 0;
123 while (unmap_cons < unmap_q->q_depth) {
124 skb = unmap_array[unmap_cons].skb;
125 if (!skb) {
126 unmap_cons++;
127 continue;
128 }
129 unmap_array[unmap_cons].skb = NULL;
130
131 dma_unmap_single(&bnad->pcidev->dev,
132 dma_unmap_addr(&unmap_array[unmap_cons],
133 dma_addr), skb_headlen(skb),
134 DMA_TO_DEVICE);
135
136 dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, 0);
137 if (++unmap_cons >= unmap_q->q_depth)
138 break;
139
140 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
141 dma_unmap_page(&bnad->pcidev->dev,
142 dma_unmap_addr(&unmap_array[unmap_cons],
143 dma_addr),
144 skb_shinfo(skb)->frags[i].size,
145 DMA_TO_DEVICE);
146 dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr,
147 0);
148 if (++unmap_cons >= unmap_q->q_depth)
149 break;
150 }
151 dev_kfree_skb_any(skb);
152 }
153}
154
155/* Data Path Handlers */
156
157/*
158 * bnad_free_txbufs : Frees the Tx bufs on Tx completion
159 * Can be called in a) Interrupt context
160 * b) Sending context
161 * c) Tasklet context
162 */
163static u32
164bnad_free_txbufs(struct bnad *bnad,
165 struct bna_tcb *tcb)
166{
167 u32 sent_packets = 0, sent_bytes = 0;
168 u16 wis, unmap_cons, updated_hw_cons;
169 struct bnad_unmap_q *unmap_q = tcb->unmap_q;
170 struct bnad_skb_unmap *unmap_array;
171 struct sk_buff *skb;
172 int i;
173
174 /*
175 * Just return if TX is stopped. This check is useful
176 * when bnad_free_txbufs() runs out of a tasklet scheduled
177 * before bnad_cb_tx_cleanup() cleared BNAD_TXQ_TX_STARTED bit
178 * but this routine runs actually after the cleanup has been
179 * executed.
180 */
181 if (!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))
182 return 0;
183
184 updated_hw_cons = *(tcb->hw_consumer_index);
185
186 wis = BNA_Q_INDEX_CHANGE(tcb->consumer_index,
187 updated_hw_cons, tcb->q_depth);
188
189 BUG_ON(!(wis <= BNA_QE_IN_USE_CNT(tcb, tcb->q_depth)));
190
191 unmap_array = unmap_q->unmap_array;
192 unmap_cons = unmap_q->consumer_index;
193
194 prefetch(&unmap_array[unmap_cons + 1]);
195 while (wis) {
196 skb = unmap_array[unmap_cons].skb;
197
198 unmap_array[unmap_cons].skb = NULL;
199
200 sent_packets++;
201 sent_bytes += skb->len;
202 wis -= BNA_TXQ_WI_NEEDED(1 + skb_shinfo(skb)->nr_frags);
203
204 dma_unmap_single(&bnad->pcidev->dev,
205 dma_unmap_addr(&unmap_array[unmap_cons],
206 dma_addr), skb_headlen(skb),
207 DMA_TO_DEVICE);
208 dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr, 0);
209 BNA_QE_INDX_ADD(unmap_cons, 1, unmap_q->q_depth);
210
211 prefetch(&unmap_array[unmap_cons + 1]);
212 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
213 prefetch(&unmap_array[unmap_cons + 1]);
214
215 dma_unmap_page(&bnad->pcidev->dev,
216 dma_unmap_addr(&unmap_array[unmap_cons],
217 dma_addr),
218 skb_shinfo(skb)->frags[i].size,
219 DMA_TO_DEVICE);
220 dma_unmap_addr_set(&unmap_array[unmap_cons], dma_addr,
221 0);
222 BNA_QE_INDX_ADD(unmap_cons, 1, unmap_q->q_depth);
223 }
224 dev_kfree_skb_any(skb);
225 }
226
227 /* Update consumer pointers. */
228 tcb->consumer_index = updated_hw_cons;
229 unmap_q->consumer_index = unmap_cons;
230
231 tcb->txq->tx_packets += sent_packets;
232 tcb->txq->tx_bytes += sent_bytes;
233
234 return sent_packets;
235}
236
237/* Tx Free Tasklet function */
238/* Frees for all the tcb's in all the Tx's */
239/*
240 * Scheduled from sending context, so that
241 * the fat Tx lock is not held for too long
242 * in the sending context.
243 */
244static void
245bnad_tx_free_tasklet(unsigned long bnad_ptr)
246{
247 struct bnad *bnad = (struct bnad *)bnad_ptr;
248 struct bna_tcb *tcb;
249 u32 acked = 0;
250 int i, j;
251
252 for (i = 0; i < bnad->num_tx; i++) {
253 for (j = 0; j < bnad->num_txq_per_tx; j++) {
254 tcb = bnad->tx_info[i].tcb[j];
255 if (!tcb)
256 continue;
257 if (((u16) (*tcb->hw_consumer_index) !=
258 tcb->consumer_index) &&
259 (!test_and_set_bit(BNAD_TXQ_FREE_SENT,
260 &tcb->flags))) {
261 acked = bnad_free_txbufs(bnad, tcb);
262 if (likely(test_bit(BNAD_TXQ_TX_STARTED,
263 &tcb->flags)))
264 bna_ib_ack(tcb->i_dbell, acked);
265 smp_mb__before_clear_bit();
266 clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags);
267 }
268 if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED,
269 &tcb->flags)))
270 continue;
271 if (netif_queue_stopped(bnad->netdev)) {
272 if (acked && netif_carrier_ok(bnad->netdev) &&
273 BNA_QE_FREE_CNT(tcb, tcb->q_depth) >=
274 BNAD_NETIF_WAKE_THRESHOLD) {
275 netif_wake_queue(bnad->netdev);
276 /* TODO */
277 /* Counters for individual TxQs? */
278 BNAD_UPDATE_CTR(bnad,
279 netif_queue_wakeup);
280 }
281 }
282 }
283 }
284}
285
286static u32
287bnad_tx(struct bnad *bnad, struct bna_tcb *tcb)
288{
289 struct net_device *netdev = bnad->netdev;
290 u32 sent = 0;
291
292 if (test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags))
293 return 0;
294
295 sent = bnad_free_txbufs(bnad, tcb);
296 if (sent) {
297 if (netif_queue_stopped(netdev) &&
298 netif_carrier_ok(netdev) &&
299 BNA_QE_FREE_CNT(tcb, tcb->q_depth) >=
300 BNAD_NETIF_WAKE_THRESHOLD) {
301 if (test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)) {
302 netif_wake_queue(netdev);
303 BNAD_UPDATE_CTR(bnad, netif_queue_wakeup);
304 }
305 }
306 }
307
308 if (likely(test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)))
309 bna_ib_ack(tcb->i_dbell, sent);
310
311 smp_mb__before_clear_bit();
312 clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags);
313
314 return sent;
315}
316
317/* MSIX Tx Completion Handler */
318static irqreturn_t
319bnad_msix_tx(int irq, void *data)
320{
321 struct bna_tcb *tcb = (struct bna_tcb *)data;
322 struct bnad *bnad = tcb->bnad;
323
324 bnad_tx(bnad, tcb);
325
326 return IRQ_HANDLED;
327}
328
329static void
330bnad_reset_rcb(struct bnad *bnad, struct bna_rcb *rcb)
331{
332 struct bnad_unmap_q *unmap_q = rcb->unmap_q;
333
334 rcb->producer_index = 0;
335 rcb->consumer_index = 0;
336
337 unmap_q->producer_index = 0;
338 unmap_q->consumer_index = 0;
339}
340
341static void
342bnad_free_all_rxbufs(struct bnad *bnad, struct bna_rcb *rcb)
343{
344 struct bnad_unmap_q *unmap_q;
345 struct bnad_skb_unmap *unmap_array;
346 struct sk_buff *skb;
347 int unmap_cons;
348
349 unmap_q = rcb->unmap_q;
350 unmap_array = unmap_q->unmap_array;
351 for (unmap_cons = 0; unmap_cons < unmap_q->q_depth; unmap_cons++) {
352 skb = unmap_array[unmap_cons].skb;
353 if (!skb)
354 continue;
355 unmap_array[unmap_cons].skb = NULL;
356 dma_unmap_single(&bnad->pcidev->dev,
357 dma_unmap_addr(&unmap_array[unmap_cons],
358 dma_addr),
359 rcb->rxq->buffer_size,
360 DMA_FROM_DEVICE);
361 dev_kfree_skb(skb);
362 }
363 bnad_reset_rcb(bnad, rcb);
364}
365
366static void
367bnad_alloc_n_post_rxbufs(struct bnad *bnad, struct bna_rcb *rcb)
368{
369 u16 to_alloc, alloced, unmap_prod, wi_range;
370 struct bnad_unmap_q *unmap_q = rcb->unmap_q;
371 struct bnad_skb_unmap *unmap_array;
372 struct bna_rxq_entry *rxent;
373 struct sk_buff *skb;
374 dma_addr_t dma_addr;
375
376 alloced = 0;
377 to_alloc =
378 BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth);
379
380 unmap_array = unmap_q->unmap_array;
381 unmap_prod = unmap_q->producer_index;
382
383 BNA_RXQ_QPGE_PTR_GET(unmap_prod, rcb->sw_qpt, rxent, wi_range);
384
385 while (to_alloc--) {
386 if (!wi_range) {
387 BNA_RXQ_QPGE_PTR_GET(unmap_prod, rcb->sw_qpt, rxent,
388 wi_range);
389 }
390 skb = netdev_alloc_skb_ip_align(bnad->netdev,
391 rcb->rxq->buffer_size);
392 if (unlikely(!skb)) {
393 BNAD_UPDATE_CTR(bnad, rxbuf_alloc_failed);
394 goto finishing;
395 }
396 unmap_array[unmap_prod].skb = skb;
397 dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data,
398 rcb->rxq->buffer_size,
399 DMA_FROM_DEVICE);
400 dma_unmap_addr_set(&unmap_array[unmap_prod], dma_addr,
401 dma_addr);
402 BNA_SET_DMA_ADDR(dma_addr, &rxent->host_addr);
403 BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth);
404
405 rxent++;
406 wi_range--;
407 alloced++;
408 }
409
410finishing:
411 if (likely(alloced)) {
412 unmap_q->producer_index = unmap_prod;
413 rcb->producer_index = unmap_prod;
414 smp_mb();
415 if (likely(test_bit(BNAD_RXQ_STARTED, &rcb->flags)))
416 bna_rxq_prod_indx_doorbell(rcb);
417 }
418}
419
420static inline void
421bnad_refill_rxq(struct bnad *bnad, struct bna_rcb *rcb)
422{
423 struct bnad_unmap_q *unmap_q = rcb->unmap_q;
424
425 if (!test_and_set_bit(BNAD_RXQ_REFILL, &rcb->flags)) {
426 if (BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth)
427 >> BNAD_RXQ_REFILL_THRESHOLD_SHIFT)
428 bnad_alloc_n_post_rxbufs(bnad, rcb);
429 smp_mb__before_clear_bit();
430 clear_bit(BNAD_RXQ_REFILL, &rcb->flags);
431 }
432}
433
434static u32
435bnad_poll_cq(struct bnad *bnad, struct bna_ccb *ccb, int budget)
436{
437 struct bna_cq_entry *cmpl, *next_cmpl;
438 struct bna_rcb *rcb = NULL;
439 unsigned int wi_range, packets = 0, wis = 0;
440 struct bnad_unmap_q *unmap_q;
441 struct bnad_skb_unmap *unmap_array;
442 struct sk_buff *skb;
443 u32 flags, unmap_cons;
444 u32 qid0 = ccb->rcb[0]->rxq->rxq_id;
445 struct bna_pkt_rate *pkt_rt = &ccb->pkt_rate;
446
447 if (!test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags))
448 return 0;
449
450 prefetch(bnad->netdev);
451 BNA_CQ_QPGE_PTR_GET(ccb->producer_index, ccb->sw_qpt, cmpl,
452 wi_range);
453 BUG_ON(!(wi_range <= ccb->q_depth));
454 while (cmpl->valid && packets < budget) {
455 packets++;
456 BNA_UPDATE_PKT_CNT(pkt_rt, ntohs(cmpl->length));
457
458 if (qid0 == cmpl->rxq_id)
459 rcb = ccb->rcb[0];
460 else
461 rcb = ccb->rcb[1];
462
463 unmap_q = rcb->unmap_q;
464 unmap_array = unmap_q->unmap_array;
465 unmap_cons = unmap_q->consumer_index;
466
467 skb = unmap_array[unmap_cons].skb;
468 BUG_ON(!(skb));
469 unmap_array[unmap_cons].skb = NULL;
470 dma_unmap_single(&bnad->pcidev->dev,
471 dma_unmap_addr(&unmap_array[unmap_cons],
472 dma_addr),
473 rcb->rxq->buffer_size,
474 DMA_FROM_DEVICE);
475 BNA_QE_INDX_ADD(unmap_q->consumer_index, 1, unmap_q->q_depth);
476
477 /* Should be more efficient ? Performance ? */
478 BNA_QE_INDX_ADD(rcb->consumer_index, 1, rcb->q_depth);
479
480 wis++;
481 if (likely(--wi_range))
482 next_cmpl = cmpl + 1;
483 else {
484 BNA_QE_INDX_ADD(ccb->producer_index, wis, ccb->q_depth);
485 wis = 0;
486 BNA_CQ_QPGE_PTR_GET(ccb->producer_index, ccb->sw_qpt,
487 next_cmpl, wi_range);
488 BUG_ON(!(wi_range <= ccb->q_depth));
489 }
490 prefetch(next_cmpl);
491
492 flags = ntohl(cmpl->flags);
493 if (unlikely
494 (flags &
495 (BNA_CQ_EF_MAC_ERROR | BNA_CQ_EF_FCS_ERROR |
496 BNA_CQ_EF_TOO_LONG))) {
497 dev_kfree_skb_any(skb);
498 rcb->rxq->rx_packets_with_error++;
499 goto next;
500 }
501
502 skb_put(skb, ntohs(cmpl->length));
503 if (likely
504 ((bnad->netdev->features & NETIF_F_RXCSUM) &&
505 (((flags & BNA_CQ_EF_IPV4) &&
506 (flags & BNA_CQ_EF_L3_CKSUM_OK)) ||
507 (flags & BNA_CQ_EF_IPV6)) &&
508 (flags & (BNA_CQ_EF_TCP | BNA_CQ_EF_UDP)) &&
509 (flags & BNA_CQ_EF_L4_CKSUM_OK)))
510 skb->ip_summed = CHECKSUM_UNNECESSARY;
511 else
512 skb_checksum_none_assert(skb);
513
514 rcb->rxq->rx_packets++;
515 rcb->rxq->rx_bytes += skb->len;
516 skb->protocol = eth_type_trans(skb, bnad->netdev);
517
518 if (flags & BNA_CQ_EF_VLAN)
519 __vlan_hwaccel_put_tag(skb, ntohs(cmpl->vlan_tag));
520
521 if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
522 struct bnad_rx_ctrl *rx_ctrl;
523
524 rx_ctrl = (struct bnad_rx_ctrl *) ccb->ctrl;
525 napi_gro_receive(&rx_ctrl->napi, skb);
526 } else {
527 netif_receive_skb(skb);
528 }
529
530next:
531 cmpl->valid = 0;
532 cmpl = next_cmpl;
533 }
534
535 BNA_QE_INDX_ADD(ccb->producer_index, wis, ccb->q_depth);
536
537 if (likely(ccb)) {
538 if (likely(test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags)))
539 bna_ib_ack(ccb->i_dbell, packets);
540 bnad_refill_rxq(bnad, ccb->rcb[0]);
541 if (ccb->rcb[1])
542 bnad_refill_rxq(bnad, ccb->rcb[1]);
543 } else {
544 if (likely(test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags)))
545 bna_ib_ack(ccb->i_dbell, 0);
546 }
547
548 return packets;
549}
550
551static void
552bnad_disable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb)
553{
554 if (unlikely(!test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags)))
555 return;
556
557 bna_ib_coalescing_timer_set(ccb->i_dbell, 0);
558 bna_ib_ack(ccb->i_dbell, 0);
559}
560
561static void
562bnad_enable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb)
563{
564 unsigned long flags;
565
566 /* Because of polling context */
567 spin_lock_irqsave(&bnad->bna_lock, flags);
568 bnad_enable_rx_irq_unsafe(ccb);
569 spin_unlock_irqrestore(&bnad->bna_lock, flags);
570}
571
572static void
573bnad_netif_rx_schedule_poll(struct bnad *bnad, struct bna_ccb *ccb)
574{
575 struct bnad_rx_ctrl *rx_ctrl = (struct bnad_rx_ctrl *)(ccb->ctrl);
576 struct napi_struct *napi = &rx_ctrl->napi;
577
578 if (likely(napi_schedule_prep(napi))) {
579 bnad_disable_rx_irq(bnad, ccb);
580 __napi_schedule(napi);
581 }
582 BNAD_UPDATE_CTR(bnad, netif_rx_schedule);
583}
584
585/* MSIX Rx Path Handler */
586static irqreturn_t
587bnad_msix_rx(int irq, void *data)
588{
589 struct bna_ccb *ccb = (struct bna_ccb *)data;
590 struct bnad *bnad = ccb->bnad;
591
592 bnad_netif_rx_schedule_poll(bnad, ccb);
593
594 return IRQ_HANDLED;
595}
596
597/* Interrupt handlers */
598
599/* Mbox Interrupt Handlers */
600static irqreturn_t
601bnad_msix_mbox_handler(int irq, void *data)
602{
603 u32 intr_status;
604 unsigned long flags;
605 struct bnad *bnad = (struct bnad *)data;
606
607 if (unlikely(test_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags)))
608 return IRQ_HANDLED;
609
610 spin_lock_irqsave(&bnad->bna_lock, flags);
611
612 bna_intr_status_get(&bnad->bna, intr_status);
613
614 if (BNA_IS_MBOX_ERR_INTR(intr_status))
615 bna_mbox_handler(&bnad->bna, intr_status);
616
617 spin_unlock_irqrestore(&bnad->bna_lock, flags);
618
619 return IRQ_HANDLED;
620}
621
622static irqreturn_t
623bnad_isr(int irq, void *data)
624{
625 int i, j;
626 u32 intr_status;
627 unsigned long flags;
628 struct bnad *bnad = (struct bnad *)data;
629 struct bnad_rx_info *rx_info;
630 struct bnad_rx_ctrl *rx_ctrl;
631
632 if (unlikely(test_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags)))
633 return IRQ_NONE;
634
635 bna_intr_status_get(&bnad->bna, intr_status);
636
637 if (unlikely(!intr_status))
638 return IRQ_NONE;
639
640 spin_lock_irqsave(&bnad->bna_lock, flags);
641
642 if (BNA_IS_MBOX_ERR_INTR(intr_status))
643 bna_mbox_handler(&bnad->bna, intr_status);
644
645 spin_unlock_irqrestore(&bnad->bna_lock, flags);
646
647 if (!BNA_IS_INTX_DATA_INTR(intr_status))
648 return IRQ_HANDLED;
649
650 /* Process data interrupts */
651 /* Tx processing */
652 for (i = 0; i < bnad->num_tx; i++) {
653 for (j = 0; j < bnad->num_txq_per_tx; j++)
654 bnad_tx(bnad, bnad->tx_info[i].tcb[j]);
655 }
656 /* Rx processing */
657 for (i = 0; i < bnad->num_rx; i++) {
658 rx_info = &bnad->rx_info[i];
659 if (!rx_info->rx)
660 continue;
661 for (j = 0; j < bnad->num_rxp_per_rx; j++) {
662 rx_ctrl = &rx_info->rx_ctrl[j];
663 if (rx_ctrl->ccb)
664 bnad_netif_rx_schedule_poll(bnad,
665 rx_ctrl->ccb);
666 }
667 }
668 return IRQ_HANDLED;
669}
670
671/*
672 * Called in interrupt / callback context
673 * with bna_lock held, so cfg_flags access is OK
674 */
675static void
676bnad_enable_mbox_irq(struct bnad *bnad)
677{
678 clear_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags);
679
680 BNAD_UPDATE_CTR(bnad, mbox_intr_enabled);
681}
682
683/*
684 * Called with bnad->bna_lock held b'cos of
685 * bnad->cfg_flags access.
686 */
687static void
688bnad_disable_mbox_irq(struct bnad *bnad)
689{
690 set_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags);
691
692 BNAD_UPDATE_CTR(bnad, mbox_intr_disabled);
693}
694
695static void
696bnad_set_netdev_perm_addr(struct bnad *bnad)
697{
698 struct net_device *netdev = bnad->netdev;
699
700 memcpy(netdev->perm_addr, &bnad->perm_addr, netdev->addr_len);
701 if (is_zero_ether_addr(netdev->dev_addr))
702 memcpy(netdev->dev_addr, &bnad->perm_addr, netdev->addr_len);
703}
704
705/* Control Path Handlers */
706
707/* Callbacks */
708void
709bnad_cb_device_enable_mbox_intr(struct bnad *bnad)
710{
711 bnad_enable_mbox_irq(bnad);
712}
713
714void
715bnad_cb_device_disable_mbox_intr(struct bnad *bnad)
716{
717 bnad_disable_mbox_irq(bnad);
718}
719
720void
721bnad_cb_device_enabled(struct bnad *bnad, enum bna_cb_status status)
722{
723 complete(&bnad->bnad_completions.ioc_comp);
724 bnad->bnad_completions.ioc_comp_status = status;
725}
726
727void
728bnad_cb_device_disabled(struct bnad *bnad, enum bna_cb_status status)
729{
730 complete(&bnad->bnad_completions.ioc_comp);
731 bnad->bnad_completions.ioc_comp_status = status;
732}
733
734static void
735bnad_cb_port_disabled(void *arg, enum bna_cb_status status)
736{
737 struct bnad *bnad = (struct bnad *)arg;
738
739 complete(&bnad->bnad_completions.port_comp);
740
741 netif_carrier_off(bnad->netdev);
742}
743
744void
745bnad_cb_port_link_status(struct bnad *bnad,
746 enum bna_link_status link_status)
747{
748 bool link_up = 0;
749
750 link_up = (link_status == BNA_LINK_UP) || (link_status == BNA_CEE_UP);
751
752 if (link_status == BNA_CEE_UP) {
753 set_bit(BNAD_RF_CEE_RUNNING, &bnad->run_flags);
754 BNAD_UPDATE_CTR(bnad, cee_up);
755 } else
756 clear_bit(BNAD_RF_CEE_RUNNING, &bnad->run_flags);
757
758 if (link_up) {
759 if (!netif_carrier_ok(bnad->netdev)) {
760 struct bna_tcb *tcb = bnad->tx_info[0].tcb[0];
761 if (!tcb)
762 return;
763 pr_warn("bna: %s link up\n",
764 bnad->netdev->name);
765 netif_carrier_on(bnad->netdev);
766 BNAD_UPDATE_CTR(bnad, link_toggle);
767 if (test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)) {
768 /* Force an immediate Transmit Schedule */
769 pr_info("bna: %s TX_STARTED\n",
770 bnad->netdev->name);
771 netif_wake_queue(bnad->netdev);
772 BNAD_UPDATE_CTR(bnad, netif_queue_wakeup);
773 } else {
774 netif_stop_queue(bnad->netdev);
775 BNAD_UPDATE_CTR(bnad, netif_queue_stop);
776 }
777 }
778 } else {
779 if (netif_carrier_ok(bnad->netdev)) {
780 pr_warn("bna: %s link down\n",
781 bnad->netdev->name);
782 netif_carrier_off(bnad->netdev);
783 BNAD_UPDATE_CTR(bnad, link_toggle);
784 }
785 }
786}
787
788static void
789bnad_cb_tx_disabled(void *arg, struct bna_tx *tx,
790 enum bna_cb_status status)
791{
792 struct bnad *bnad = (struct bnad *)arg;
793
794 complete(&bnad->bnad_completions.tx_comp);
795}
796
797static void
798bnad_cb_tcb_setup(struct bnad *bnad, struct bna_tcb *tcb)
799{
800 struct bnad_tx_info *tx_info =
801 (struct bnad_tx_info *)tcb->txq->tx->priv;
802 struct bnad_unmap_q *unmap_q = tcb->unmap_q;
803
804 tx_info->tcb[tcb->id] = tcb;
805 unmap_q->producer_index = 0;
806 unmap_q->consumer_index = 0;
807 unmap_q->q_depth = BNAD_TX_UNMAPQ_DEPTH;
808}
809
810static void
811bnad_cb_tcb_destroy(struct bnad *bnad, struct bna_tcb *tcb)
812{
813 struct bnad_tx_info *tx_info =
814 (struct bnad_tx_info *)tcb->txq->tx->priv;
815 struct bnad_unmap_q *unmap_q = tcb->unmap_q;
816
817 while (test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags))
818 cpu_relax();
819
820 bnad_free_all_txbufs(bnad, tcb);
821
822 unmap_q->producer_index = 0;
823 unmap_q->consumer_index = 0;
824
825 smp_mb__before_clear_bit();
826 clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags);
827
828 tx_info->tcb[tcb->id] = NULL;
829}
830
831static void
832bnad_cb_rcb_setup(struct bnad *bnad, struct bna_rcb *rcb)
833{
834 struct bnad_unmap_q *unmap_q = rcb->unmap_q;
835
836 unmap_q->producer_index = 0;
837 unmap_q->consumer_index = 0;
838 unmap_q->q_depth = BNAD_RX_UNMAPQ_DEPTH;
839}
840
841static void
842bnad_cb_rcb_destroy(struct bnad *bnad, struct bna_rcb *rcb)
843{
844 bnad_free_all_rxbufs(bnad, rcb);
845}
846
847static void
848bnad_cb_ccb_setup(struct bnad *bnad, struct bna_ccb *ccb)
849{
850 struct bnad_rx_info *rx_info =
851 (struct bnad_rx_info *)ccb->cq->rx->priv;
852
853 rx_info->rx_ctrl[ccb->id].ccb = ccb;
854 ccb->ctrl = &rx_info->rx_ctrl[ccb->id];
855}
856
857static void
858bnad_cb_ccb_destroy(struct bnad *bnad, struct bna_ccb *ccb)
859{
860 struct bnad_rx_info *rx_info =
861 (struct bnad_rx_info *)ccb->cq->rx->priv;
862
863 rx_info->rx_ctrl[ccb->id].ccb = NULL;
864}
865
866static void
867bnad_cb_tx_stall(struct bnad *bnad, struct bna_tcb *tcb)
868{
869 struct bnad_tx_info *tx_info =
870 (struct bnad_tx_info *)tcb->txq->tx->priv;
871
872 if (tx_info != &bnad->tx_info[0])
873 return;
874
875 clear_bit(BNAD_TXQ_TX_STARTED, &tcb->flags);
876 netif_stop_queue(bnad->netdev);
877 pr_info("bna: %s TX_STOPPED\n", bnad->netdev->name);
878}
879
880static void
881bnad_cb_tx_resume(struct bnad *bnad, struct bna_tcb *tcb)
882{
883 struct bnad_unmap_q *unmap_q = tcb->unmap_q;
884
885 if (test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))
886 return;
887
888 clear_bit(BNAD_RF_TX_SHUTDOWN_DELAYED, &bnad->run_flags);
889
890 while (test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags))
891 cpu_relax();
892
893 bnad_free_all_txbufs(bnad, tcb);
894
895 unmap_q->producer_index = 0;
896 unmap_q->consumer_index = 0;
897
898 smp_mb__before_clear_bit();
899 clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags);
900
901 /*
902 * Workaround for first device enable failure & we
903 * get a 0 MAC address. We try to get the MAC address
904 * again here.
905 */
906 if (is_zero_ether_addr(&bnad->perm_addr.mac[0])) {
907 bna_port_mac_get(&bnad->bna.port, &bnad->perm_addr);
908 bnad_set_netdev_perm_addr(bnad);
909 }
910
911 set_bit(BNAD_TXQ_TX_STARTED, &tcb->flags);
912
913 if (netif_carrier_ok(bnad->netdev)) {
914 pr_info("bna: %s TX_STARTED\n", bnad->netdev->name);
915 netif_wake_queue(bnad->netdev);
916 BNAD_UPDATE_CTR(bnad, netif_queue_wakeup);
917 }
918}
919
920static void
921bnad_cb_tx_cleanup(struct bnad *bnad, struct bna_tcb *tcb)
922{
923 /* Delay only once for the whole Tx Path Shutdown */
924 if (!test_and_set_bit(BNAD_RF_TX_SHUTDOWN_DELAYED, &bnad->run_flags))
925 mdelay(BNAD_TXRX_SYNC_MDELAY);
926}
927
928static void
929bnad_cb_rx_cleanup(struct bnad *bnad,
930 struct bna_ccb *ccb)
931{
932 clear_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags);
933
934 if (ccb->rcb[1])
935 clear_bit(BNAD_RXQ_STARTED, &ccb->rcb[1]->flags);
936
937 if (!test_and_set_bit(BNAD_RF_RX_SHUTDOWN_DELAYED, &bnad->run_flags))
938 mdelay(BNAD_TXRX_SYNC_MDELAY);
939}
940
941static void
942bnad_cb_rx_post(struct bnad *bnad, struct bna_rcb *rcb)
943{
944 struct bnad_unmap_q *unmap_q = rcb->unmap_q;
945
946 clear_bit(BNAD_RF_RX_SHUTDOWN_DELAYED, &bnad->run_flags);
947
948 if (rcb == rcb->cq->ccb->rcb[0])
949 bnad_cq_cmpl_init(bnad, rcb->cq->ccb);
950
951 bnad_free_all_rxbufs(bnad, rcb);
952
953 set_bit(BNAD_RXQ_STARTED, &rcb->flags);
954
955 /* Now allocate & post buffers for this RCB */
956 /* !!Allocation in callback context */
957 if (!test_and_set_bit(BNAD_RXQ_REFILL, &rcb->flags)) {
958 if (BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth)
959 >> BNAD_RXQ_REFILL_THRESHOLD_SHIFT)
960 bnad_alloc_n_post_rxbufs(bnad, rcb);
961 smp_mb__before_clear_bit();
962 clear_bit(BNAD_RXQ_REFILL, &rcb->flags);
963 }
964}
965
966static void
967bnad_cb_rx_disabled(void *arg, struct bna_rx *rx,
968 enum bna_cb_status status)
969{
970 struct bnad *bnad = (struct bnad *)arg;
971
972 complete(&bnad->bnad_completions.rx_comp);
973}
974
975static void
976bnad_cb_rx_mcast_add(struct bnad *bnad, struct bna_rx *rx,
977 enum bna_cb_status status)
978{
979 bnad->bnad_completions.mcast_comp_status = status;
980 complete(&bnad->bnad_completions.mcast_comp);
981}
982
983void
984bnad_cb_stats_get(struct bnad *bnad, enum bna_cb_status status,
985 struct bna_stats *stats)
986{
987 if (status == BNA_CB_SUCCESS)
988 BNAD_UPDATE_CTR(bnad, hw_stats_updates);
989
990 if (!netif_running(bnad->netdev) ||
991 !test_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags))
992 return;
993
994 mod_timer(&bnad->stats_timer,
995 jiffies + msecs_to_jiffies(BNAD_STATS_TIMER_FREQ));
996}
997
998/* Resource allocation, free functions */
999
1000static void
1001bnad_mem_free(struct bnad *bnad,
1002 struct bna_mem_info *mem_info)
1003{
1004 int i;
1005 dma_addr_t dma_pa;
1006
1007 if (mem_info->mdl == NULL)
1008 return;
1009
1010 for (i = 0; i < mem_info->num; i++) {
1011 if (mem_info->mdl[i].kva != NULL) {
1012 if (mem_info->mem_type == BNA_MEM_T_DMA) {
1013 BNA_GET_DMA_ADDR(&(mem_info->mdl[i].dma),
1014 dma_pa);
1015 dma_free_coherent(&bnad->pcidev->dev,
1016 mem_info->mdl[i].len,
1017 mem_info->mdl[i].kva, dma_pa);
1018 } else
1019 kfree(mem_info->mdl[i].kva);
1020 }
1021 }
1022 kfree(mem_info->mdl);
1023 mem_info->mdl = NULL;
1024}
1025
1026static int
1027bnad_mem_alloc(struct bnad *bnad,
1028 struct bna_mem_info *mem_info)
1029{
1030 int i;
1031 dma_addr_t dma_pa;
1032
1033 if ((mem_info->num == 0) || (mem_info->len == 0)) {
1034 mem_info->mdl = NULL;
1035 return 0;
1036 }
1037
1038 mem_info->mdl = kcalloc(mem_info->num, sizeof(struct bna_mem_descr),
1039 GFP_KERNEL);
1040 if (mem_info->mdl == NULL)
1041 return -ENOMEM;
1042
1043 if (mem_info->mem_type == BNA_MEM_T_DMA) {
1044 for (i = 0; i < mem_info->num; i++) {
1045 mem_info->mdl[i].len = mem_info->len;
1046 mem_info->mdl[i].kva =
1047 dma_alloc_coherent(&bnad->pcidev->dev,
1048 mem_info->len, &dma_pa,
1049 GFP_KERNEL);
1050
1051 if (mem_info->mdl[i].kva == NULL)
1052 goto err_return;
1053
1054 BNA_SET_DMA_ADDR(dma_pa,
1055 &(mem_info->mdl[i].dma));
1056 }
1057 } else {
1058 for (i = 0; i < mem_info->num; i++) {
1059 mem_info->mdl[i].len = mem_info->len;
1060 mem_info->mdl[i].kva = kzalloc(mem_info->len,
1061 GFP_KERNEL);
1062 if (mem_info->mdl[i].kva == NULL)
1063 goto err_return;
1064 }
1065 }
1066
1067 return 0;
1068
1069err_return:
1070 bnad_mem_free(bnad, mem_info);
1071 return -ENOMEM;
1072}
1073
1074/* Free IRQ for Mailbox */
1075static void
1076bnad_mbox_irq_free(struct bnad *bnad,
1077 struct bna_intr_info *intr_info)
1078{
1079 int irq;
1080 unsigned long flags;
1081
1082 if (intr_info->idl == NULL)
1083 return;
1084
1085 spin_lock_irqsave(&bnad->bna_lock, flags);
1086 bnad_disable_mbox_irq(bnad);
1087 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1088
1089 irq = BNAD_GET_MBOX_IRQ(bnad);
1090 free_irq(irq, bnad);
1091
1092 kfree(intr_info->idl);
1093}
1094
1095/*
1096 * Allocates IRQ for Mailbox, but keep it disabled
1097 * This will be enabled once we get the mbox enable callback
1098 * from bna
1099 */
1100static int
1101bnad_mbox_irq_alloc(struct bnad *bnad,
1102 struct bna_intr_info *intr_info)
1103{
1104 int err = 0;
1105 unsigned long irq_flags, flags;
1106 u32 irq;
1107 irq_handler_t irq_handler;
1108
1109 /* Mbox should use only 1 vector */
1110
1111 intr_info->idl = kzalloc(sizeof(*(intr_info->idl)), GFP_KERNEL);
1112 if (!intr_info->idl)
1113 return -ENOMEM;
1114
1115 spin_lock_irqsave(&bnad->bna_lock, flags);
1116 if (bnad->cfg_flags & BNAD_CF_MSIX) {
1117 irq_handler = (irq_handler_t)bnad_msix_mbox_handler;
1118 irq = bnad->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector;
1119 irq_flags = 0;
1120 intr_info->intr_type = BNA_INTR_T_MSIX;
1121 intr_info->idl[0].vector = BNAD_MAILBOX_MSIX_INDEX;
1122 } else {
1123 irq_handler = (irq_handler_t)bnad_isr;
1124 irq = bnad->pcidev->irq;
1125 irq_flags = IRQF_SHARED;
1126 intr_info->intr_type = BNA_INTR_T_INTX;
1127 }
1128
1129 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1130 sprintf(bnad->mbox_irq_name, "%s", BNAD_NAME);
1131
1132 /*
1133 * Set the Mbox IRQ disable flag, so that the IRQ handler
1134 * called from request_irq() for SHARED IRQs do not execute
1135 */
1136 set_bit(BNAD_RF_MBOX_IRQ_DISABLED, &bnad->run_flags);
1137
1138 BNAD_UPDATE_CTR(bnad, mbox_intr_disabled);
1139
1140 err = request_irq(irq, irq_handler, irq_flags,
1141 bnad->mbox_irq_name, bnad);
1142
1143 if (err) {
1144 kfree(intr_info->idl);
1145 intr_info->idl = NULL;
1146 }
1147
1148 return err;
1149}
1150
1151static void
1152bnad_txrx_irq_free(struct bnad *bnad, struct bna_intr_info *intr_info)
1153{
1154 kfree(intr_info->idl);
1155 intr_info->idl = NULL;
1156}
1157
1158/* Allocates Interrupt Descriptor List for MSIX/INT-X vectors */
1159static int
1160bnad_txrx_irq_alloc(struct bnad *bnad, enum bnad_intr_source src,
1161 uint txrx_id, struct bna_intr_info *intr_info)
1162{
1163 int i, vector_start = 0;
1164 u32 cfg_flags;
1165 unsigned long flags;
1166
1167 spin_lock_irqsave(&bnad->bna_lock, flags);
1168 cfg_flags = bnad->cfg_flags;
1169 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1170
1171 if (cfg_flags & BNAD_CF_MSIX) {
1172 intr_info->intr_type = BNA_INTR_T_MSIX;
1173 intr_info->idl = kcalloc(intr_info->num,
1174 sizeof(struct bna_intr_descr),
1175 GFP_KERNEL);
1176 if (!intr_info->idl)
1177 return -ENOMEM;
1178
1179 switch (src) {
1180 case BNAD_INTR_TX:
1181 vector_start = BNAD_MAILBOX_MSIX_VECTORS + txrx_id;
1182 break;
1183
1184 case BNAD_INTR_RX:
1185 vector_start = BNAD_MAILBOX_MSIX_VECTORS +
1186 (bnad->num_tx * bnad->num_txq_per_tx) +
1187 txrx_id;
1188 break;
1189
1190 default:
1191 BUG();
1192 }
1193
1194 for (i = 0; i < intr_info->num; i++)
1195 intr_info->idl[i].vector = vector_start + i;
1196 } else {
1197 intr_info->intr_type = BNA_INTR_T_INTX;
1198 intr_info->num = 1;
1199 intr_info->idl = kcalloc(intr_info->num,
1200 sizeof(struct bna_intr_descr),
1201 GFP_KERNEL);
1202 if (!intr_info->idl)
1203 return -ENOMEM;
1204
1205 switch (src) {
1206 case BNAD_INTR_TX:
1207 intr_info->idl[0].vector = BNAD_INTX_TX_IB_BITMASK;
1208 break;
1209
1210 case BNAD_INTR_RX:
1211 intr_info->idl[0].vector = BNAD_INTX_RX_IB_BITMASK;
1212 break;
1213 }
1214 }
1215 return 0;
1216}
1217
1218/**
1219 * NOTE: Should be called for MSIX only
1220 * Unregisters Tx MSIX vector(s) from the kernel
1221 */
1222static void
1223bnad_tx_msix_unregister(struct bnad *bnad, struct bnad_tx_info *tx_info,
1224 int num_txqs)
1225{
1226 int i;
1227 int vector_num;
1228
1229 for (i = 0; i < num_txqs; i++) {
1230 if (tx_info->tcb[i] == NULL)
1231 continue;
1232
1233 vector_num = tx_info->tcb[i]->intr_vector;
1234 free_irq(bnad->msix_table[vector_num].vector, tx_info->tcb[i]);
1235 }
1236}
1237
1238/**
1239 * NOTE: Should be called for MSIX only
1240 * Registers Tx MSIX vector(s) and ISR(s), cookie with the kernel
1241 */
1242static int
1243bnad_tx_msix_register(struct bnad *bnad, struct bnad_tx_info *tx_info,
1244 uint tx_id, int num_txqs)
1245{
1246 int i;
1247 int err;
1248 int vector_num;
1249
1250 for (i = 0; i < num_txqs; i++) {
1251 vector_num = tx_info->tcb[i]->intr_vector;
1252 sprintf(tx_info->tcb[i]->name, "%s TXQ %d", bnad->netdev->name,
1253 tx_id + tx_info->tcb[i]->id);
1254 err = request_irq(bnad->msix_table[vector_num].vector,
1255 (irq_handler_t)bnad_msix_tx, 0,
1256 tx_info->tcb[i]->name,
1257 tx_info->tcb[i]);
1258 if (err)
1259 goto err_return;
1260 }
1261
1262 return 0;
1263
1264err_return:
1265 if (i > 0)
1266 bnad_tx_msix_unregister(bnad, tx_info, (i - 1));
1267 return -1;
1268}
1269
1270/**
1271 * NOTE: Should be called for MSIX only
1272 * Unregisters Rx MSIX vector(s) from the kernel
1273 */
1274static void
1275bnad_rx_msix_unregister(struct bnad *bnad, struct bnad_rx_info *rx_info,
1276 int num_rxps)
1277{
1278 int i;
1279 int vector_num;
1280
1281 for (i = 0; i < num_rxps; i++) {
1282 if (rx_info->rx_ctrl[i].ccb == NULL)
1283 continue;
1284
1285 vector_num = rx_info->rx_ctrl[i].ccb->intr_vector;
1286 free_irq(bnad->msix_table[vector_num].vector,
1287 rx_info->rx_ctrl[i].ccb);
1288 }
1289}
1290
1291/**
1292 * NOTE: Should be called for MSIX only
1293 * Registers Tx MSIX vector(s) and ISR(s), cookie with the kernel
1294 */
1295static int
1296bnad_rx_msix_register(struct bnad *bnad, struct bnad_rx_info *rx_info,
1297 uint rx_id, int num_rxps)
1298{
1299 int i;
1300 int err;
1301 int vector_num;
1302
1303 for (i = 0; i < num_rxps; i++) {
1304 vector_num = rx_info->rx_ctrl[i].ccb->intr_vector;
1305 sprintf(rx_info->rx_ctrl[i].ccb->name, "%s CQ %d",
1306 bnad->netdev->name,
1307 rx_id + rx_info->rx_ctrl[i].ccb->id);
1308 err = request_irq(bnad->msix_table[vector_num].vector,
1309 (irq_handler_t)bnad_msix_rx, 0,
1310 rx_info->rx_ctrl[i].ccb->name,
1311 rx_info->rx_ctrl[i].ccb);
1312 if (err)
1313 goto err_return;
1314 }
1315
1316 return 0;
1317
1318err_return:
1319 if (i > 0)
1320 bnad_rx_msix_unregister(bnad, rx_info, (i - 1));
1321 return -1;
1322}
1323
1324/* Free Tx object Resources */
1325static void
1326bnad_tx_res_free(struct bnad *bnad, struct bna_res_info *res_info)
1327{
1328 int i;
1329
1330 for (i = 0; i < BNA_TX_RES_T_MAX; i++) {
1331 if (res_info[i].res_type == BNA_RES_T_MEM)
1332 bnad_mem_free(bnad, &res_info[i].res_u.mem_info);
1333 else if (res_info[i].res_type == BNA_RES_T_INTR)
1334 bnad_txrx_irq_free(bnad, &res_info[i].res_u.intr_info);
1335 }
1336}
1337
1338/* Allocates memory and interrupt resources for Tx object */
1339static int
1340bnad_tx_res_alloc(struct bnad *bnad, struct bna_res_info *res_info,
1341 uint tx_id)
1342{
1343 int i, err = 0;
1344
1345 for (i = 0; i < BNA_TX_RES_T_MAX; i++) {
1346 if (res_info[i].res_type == BNA_RES_T_MEM)
1347 err = bnad_mem_alloc(bnad,
1348 &res_info[i].res_u.mem_info);
1349 else if (res_info[i].res_type == BNA_RES_T_INTR)
1350 err = bnad_txrx_irq_alloc(bnad, BNAD_INTR_TX, tx_id,
1351 &res_info[i].res_u.intr_info);
1352 if (err)
1353 goto err_return;
1354 }
1355 return 0;
1356
1357err_return:
1358 bnad_tx_res_free(bnad, res_info);
1359 return err;
1360}
1361
1362/* Free Rx object Resources */
1363static void
1364bnad_rx_res_free(struct bnad *bnad, struct bna_res_info *res_info)
1365{
1366 int i;
1367
1368 for (i = 0; i < BNA_RX_RES_T_MAX; i++) {
1369 if (res_info[i].res_type == BNA_RES_T_MEM)
1370 bnad_mem_free(bnad, &res_info[i].res_u.mem_info);
1371 else if (res_info[i].res_type == BNA_RES_T_INTR)
1372 bnad_txrx_irq_free(bnad, &res_info[i].res_u.intr_info);
1373 }
1374}
1375
1376/* Allocates memory and interrupt resources for Rx object */
1377static int
1378bnad_rx_res_alloc(struct bnad *bnad, struct bna_res_info *res_info,
1379 uint rx_id)
1380{
1381 int i, err = 0;
1382
1383 /* All memory needs to be allocated before setup_ccbs */
1384 for (i = 0; i < BNA_RX_RES_T_MAX; i++) {
1385 if (res_info[i].res_type == BNA_RES_T_MEM)
1386 err = bnad_mem_alloc(bnad,
1387 &res_info[i].res_u.mem_info);
1388 else if (res_info[i].res_type == BNA_RES_T_INTR)
1389 err = bnad_txrx_irq_alloc(bnad, BNAD_INTR_RX, rx_id,
1390 &res_info[i].res_u.intr_info);
1391 if (err)
1392 goto err_return;
1393 }
1394 return 0;
1395
1396err_return:
1397 bnad_rx_res_free(bnad, res_info);
1398 return err;
1399}
1400
1401/* Timer callbacks */
1402/* a) IOC timer */
1403static void
1404bnad_ioc_timeout(unsigned long data)
1405{
1406 struct bnad *bnad = (struct bnad *)data;
1407 unsigned long flags;
1408
1409 spin_lock_irqsave(&bnad->bna_lock, flags);
1410 bfa_nw_ioc_timeout((void *) &bnad->bna.device.ioc);
1411 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1412}
1413
1414static void
1415bnad_ioc_hb_check(unsigned long data)
1416{
1417 struct bnad *bnad = (struct bnad *)data;
1418 unsigned long flags;
1419
1420 spin_lock_irqsave(&bnad->bna_lock, flags);
1421 bfa_nw_ioc_hb_check((void *) &bnad->bna.device.ioc);
1422 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1423}
1424
1425static void
1426bnad_iocpf_timeout(unsigned long data)
1427{
1428 struct bnad *bnad = (struct bnad *)data;
1429 unsigned long flags;
1430
1431 spin_lock_irqsave(&bnad->bna_lock, flags);
1432 bfa_nw_iocpf_timeout((void *) &bnad->bna.device.ioc);
1433 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1434}
1435
1436static void
1437bnad_iocpf_sem_timeout(unsigned long data)
1438{
1439 struct bnad *bnad = (struct bnad *)data;
1440 unsigned long flags;
1441
1442 spin_lock_irqsave(&bnad->bna_lock, flags);
1443 bfa_nw_iocpf_sem_timeout((void *) &bnad->bna.device.ioc);
1444 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1445}
1446
1447/*
1448 * All timer routines use bnad->bna_lock to protect against
1449 * the following race, which may occur in case of no locking:
1450 * Time CPU m CPU n
1451 * 0 1 = test_bit
1452 * 1 clear_bit
1453 * 2 del_timer_sync
1454 * 3 mod_timer
1455 */
1456
1457/* b) Dynamic Interrupt Moderation Timer */
1458static void
1459bnad_dim_timeout(unsigned long data)
1460{
1461 struct bnad *bnad = (struct bnad *)data;
1462 struct bnad_rx_info *rx_info;
1463 struct bnad_rx_ctrl *rx_ctrl;
1464 int i, j;
1465 unsigned long flags;
1466
1467 if (!netif_carrier_ok(bnad->netdev))
1468 return;
1469
1470 spin_lock_irqsave(&bnad->bna_lock, flags);
1471 for (i = 0; i < bnad->num_rx; i++) {
1472 rx_info = &bnad->rx_info[i];
1473 if (!rx_info->rx)
1474 continue;
1475 for (j = 0; j < bnad->num_rxp_per_rx; j++) {
1476 rx_ctrl = &rx_info->rx_ctrl[j];
1477 if (!rx_ctrl->ccb)
1478 continue;
1479 bna_rx_dim_update(rx_ctrl->ccb);
1480 }
1481 }
1482
1483 /* Check for BNAD_CF_DIM_ENABLED, does not eleminate a race */
1484 if (test_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags))
1485 mod_timer(&bnad->dim_timer,
1486 jiffies + msecs_to_jiffies(BNAD_DIM_TIMER_FREQ));
1487 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1488}
1489
1490/* c) Statistics Timer */
1491static void
1492bnad_stats_timeout(unsigned long data)
1493{
1494 struct bnad *bnad = (struct bnad *)data;
1495 unsigned long flags;
1496
1497 if (!netif_running(bnad->netdev) ||
1498 !test_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags))
1499 return;
1500
1501 spin_lock_irqsave(&bnad->bna_lock, flags);
1502 bna_stats_get(&bnad->bna);
1503 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1504}
1505
1506/*
1507 * Set up timer for DIM
1508 * Called with bnad->bna_lock held
1509 */
1510void
1511bnad_dim_timer_start(struct bnad *bnad)
1512{
1513 if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED &&
1514 !test_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags)) {
1515 setup_timer(&bnad->dim_timer, bnad_dim_timeout,
1516 (unsigned long)bnad);
1517 set_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags);
1518 mod_timer(&bnad->dim_timer,
1519 jiffies + msecs_to_jiffies(BNAD_DIM_TIMER_FREQ));
1520 }
1521}
1522
1523/*
1524 * Set up timer for statistics
1525 * Called with mutex_lock(&bnad->conf_mutex) held
1526 */
1527static void
1528bnad_stats_timer_start(struct bnad *bnad)
1529{
1530 unsigned long flags;
1531
1532 spin_lock_irqsave(&bnad->bna_lock, flags);
1533 if (!test_and_set_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags)) {
1534 setup_timer(&bnad->stats_timer, bnad_stats_timeout,
1535 (unsigned long)bnad);
1536 mod_timer(&bnad->stats_timer,
1537 jiffies + msecs_to_jiffies(BNAD_STATS_TIMER_FREQ));
1538 }
1539 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1540}
1541
1542/*
1543 * Stops the stats timer
1544 * Called with mutex_lock(&bnad->conf_mutex) held
1545 */
1546static void
1547bnad_stats_timer_stop(struct bnad *bnad)
1548{
1549 int to_del = 0;
1550 unsigned long flags;
1551
1552 spin_lock_irqsave(&bnad->bna_lock, flags);
1553 if (test_and_clear_bit(BNAD_RF_STATS_TIMER_RUNNING, &bnad->run_flags))
1554 to_del = 1;
1555 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1556 if (to_del)
1557 del_timer_sync(&bnad->stats_timer);
1558}
1559
1560/* Utilities */
1561
1562static void
1563bnad_netdev_mc_list_get(struct net_device *netdev, u8 *mc_list)
1564{
1565 int i = 1; /* Index 0 has broadcast address */
1566 struct netdev_hw_addr *mc_addr;
1567
1568 netdev_for_each_mc_addr(mc_addr, netdev) {
1569 memcpy(&mc_list[i * ETH_ALEN], &mc_addr->addr[0],
1570 ETH_ALEN);
1571 i++;
1572 }
1573}
1574
1575static int
1576bnad_napi_poll_rx(struct napi_struct *napi, int budget)
1577{
1578 struct bnad_rx_ctrl *rx_ctrl =
1579 container_of(napi, struct bnad_rx_ctrl, napi);
1580 struct bna_ccb *ccb;
1581 struct bnad *bnad;
1582 int rcvd = 0;
1583
1584 ccb = rx_ctrl->ccb;
1585
1586 bnad = ccb->bnad;
1587
1588 if (!netif_carrier_ok(bnad->netdev))
1589 goto poll_exit;
1590
1591 rcvd = bnad_poll_cq(bnad, ccb, budget);
1592 if (rcvd == budget)
1593 return rcvd;
1594
1595poll_exit:
1596 napi_complete((napi));
1597
1598 BNAD_UPDATE_CTR(bnad, netif_rx_complete);
1599
1600 bnad_enable_rx_irq(bnad, ccb);
1601 return rcvd;
1602}
1603
1604static void
1605bnad_napi_enable(struct bnad *bnad, u32 rx_id)
1606{
1607 struct bnad_rx_ctrl *rx_ctrl;
1608 int i;
1609
1610 /* Initialize & enable NAPI */
1611 for (i = 0; i < bnad->num_rxp_per_rx; i++) {
1612 rx_ctrl = &bnad->rx_info[rx_id].rx_ctrl[i];
1613
1614 netif_napi_add(bnad->netdev, &rx_ctrl->napi,
1615 bnad_napi_poll_rx, 64);
1616
1617 napi_enable(&rx_ctrl->napi);
1618 }
1619}
1620
1621static void
1622bnad_napi_disable(struct bnad *bnad, u32 rx_id)
1623{
1624 int i;
1625
1626 /* First disable and then clean up */
1627 for (i = 0; i < bnad->num_rxp_per_rx; i++) {
1628 napi_disable(&bnad->rx_info[rx_id].rx_ctrl[i].napi);
1629 netif_napi_del(&bnad->rx_info[rx_id].rx_ctrl[i].napi);
1630 }
1631}
1632
1633/* Should be held with conf_lock held */
1634void
1635bnad_cleanup_tx(struct bnad *bnad, uint tx_id)
1636{
1637 struct bnad_tx_info *tx_info = &bnad->tx_info[tx_id];
1638 struct bna_res_info *res_info = &bnad->tx_res_info[tx_id].res_info[0];
1639 unsigned long flags;
1640
1641 if (!tx_info->tx)
1642 return;
1643
1644 init_completion(&bnad->bnad_completions.tx_comp);
1645 spin_lock_irqsave(&bnad->bna_lock, flags);
1646 bna_tx_disable(tx_info->tx, BNA_HARD_CLEANUP, bnad_cb_tx_disabled);
1647 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1648 wait_for_completion(&bnad->bnad_completions.tx_comp);
1649
1650 if (tx_info->tcb[0]->intr_type == BNA_INTR_T_MSIX)
1651 bnad_tx_msix_unregister(bnad, tx_info,
1652 bnad->num_txq_per_tx);
1653
1654 spin_lock_irqsave(&bnad->bna_lock, flags);
1655 bna_tx_destroy(tx_info->tx);
1656 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1657
1658 tx_info->tx = NULL;
1659
1660 if (0 == tx_id)
1661 tasklet_kill(&bnad->tx_free_tasklet);
1662
1663 bnad_tx_res_free(bnad, res_info);
1664}
1665
1666/* Should be held with conf_lock held */
1667int
1668bnad_setup_tx(struct bnad *bnad, uint tx_id)
1669{
1670 int err;
1671 struct bnad_tx_info *tx_info = &bnad->tx_info[tx_id];
1672 struct bna_res_info *res_info = &bnad->tx_res_info[tx_id].res_info[0];
1673 struct bna_intr_info *intr_info =
1674 &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info;
1675 struct bna_tx_config *tx_config = &bnad->tx_config[tx_id];
1676 struct bna_tx_event_cbfn tx_cbfn;
1677 struct bna_tx *tx;
1678 unsigned long flags;
1679
1680 /* Initialize the Tx object configuration */
1681 tx_config->num_txq = bnad->num_txq_per_tx;
1682 tx_config->txq_depth = bnad->txq_depth;
1683 tx_config->tx_type = BNA_TX_T_REGULAR;
1684
1685 /* Initialize the tx event handlers */
1686 tx_cbfn.tcb_setup_cbfn = bnad_cb_tcb_setup;
1687 tx_cbfn.tcb_destroy_cbfn = bnad_cb_tcb_destroy;
1688 tx_cbfn.tx_stall_cbfn = bnad_cb_tx_stall;
1689 tx_cbfn.tx_resume_cbfn = bnad_cb_tx_resume;
1690 tx_cbfn.tx_cleanup_cbfn = bnad_cb_tx_cleanup;
1691
1692 /* Get BNA's resource requirement for one tx object */
1693 spin_lock_irqsave(&bnad->bna_lock, flags);
1694 bna_tx_res_req(bnad->num_txq_per_tx,
1695 bnad->txq_depth, res_info);
1696 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1697
1698 /* Fill Unmap Q memory requirements */
1699 BNAD_FILL_UNMAPQ_MEM_REQ(
1700 &res_info[BNA_TX_RES_MEM_T_UNMAPQ],
1701 bnad->num_txq_per_tx,
1702 BNAD_TX_UNMAPQ_DEPTH);
1703
1704 /* Allocate resources */
1705 err = bnad_tx_res_alloc(bnad, res_info, tx_id);
1706 if (err)
1707 return err;
1708
1709 /* Ask BNA to create one Tx object, supplying required resources */
1710 spin_lock_irqsave(&bnad->bna_lock, flags);
1711 tx = bna_tx_create(&bnad->bna, bnad, tx_config, &tx_cbfn, res_info,
1712 tx_info);
1713 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1714 if (!tx)
1715 goto err_return;
1716 tx_info->tx = tx;
1717
1718 /* Register ISR for the Tx object */
1719 if (intr_info->intr_type == BNA_INTR_T_MSIX) {
1720 err = bnad_tx_msix_register(bnad, tx_info,
1721 tx_id, bnad->num_txq_per_tx);
1722 if (err)
1723 goto err_return;
1724 }
1725
1726 spin_lock_irqsave(&bnad->bna_lock, flags);
1727 bna_tx_enable(tx);
1728 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1729
1730 return 0;
1731
1732err_return:
1733 bnad_tx_res_free(bnad, res_info);
1734 return err;
1735}
1736
1737/* Setup the rx config for bna_rx_create */
1738/* bnad decides the configuration */
1739static void
1740bnad_init_rx_config(struct bnad *bnad, struct bna_rx_config *rx_config)
1741{
1742 rx_config->rx_type = BNA_RX_T_REGULAR;
1743 rx_config->num_paths = bnad->num_rxp_per_rx;
1744
1745 if (bnad->num_rxp_per_rx > 1) {
1746 rx_config->rss_status = BNA_STATUS_T_ENABLED;
1747 rx_config->rss_config.hash_type =
1748 (BFI_RSS_T_V4_TCP |
1749 BFI_RSS_T_V6_TCP |
1750 BFI_RSS_T_V4_IP |
1751 BFI_RSS_T_V6_IP);
1752 rx_config->rss_config.hash_mask =
1753 bnad->num_rxp_per_rx - 1;
1754 get_random_bytes(rx_config->rss_config.toeplitz_hash_key,
1755 sizeof(rx_config->rss_config.toeplitz_hash_key));
1756 } else {
1757 rx_config->rss_status = BNA_STATUS_T_DISABLED;
1758 memset(&rx_config->rss_config, 0,
1759 sizeof(rx_config->rss_config));
1760 }
1761 rx_config->rxp_type = BNA_RXP_SLR;
1762 rx_config->q_depth = bnad->rxq_depth;
1763
1764 rx_config->small_buff_size = BFI_SMALL_RXBUF_SIZE;
1765
1766 rx_config->vlan_strip_status = BNA_STATUS_T_ENABLED;
1767}
1768
1769/* Called with mutex_lock(&bnad->conf_mutex) held */
1770void
1771bnad_cleanup_rx(struct bnad *bnad, uint rx_id)
1772{
1773 struct bnad_rx_info *rx_info = &bnad->rx_info[rx_id];
1774 struct bna_rx_config *rx_config = &bnad->rx_config[rx_id];
1775 struct bna_res_info *res_info = &bnad->rx_res_info[rx_id].res_info[0];
1776 unsigned long flags;
1777 int dim_timer_del = 0;
1778
1779 if (!rx_info->rx)
1780 return;
1781
1782 if (0 == rx_id) {
1783 spin_lock_irqsave(&bnad->bna_lock, flags);
1784 dim_timer_del = bnad_dim_timer_running(bnad);
1785 if (dim_timer_del)
1786 clear_bit(BNAD_RF_DIM_TIMER_RUNNING, &bnad->run_flags);
1787 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1788 if (dim_timer_del)
1789 del_timer_sync(&bnad->dim_timer);
1790 }
1791
1792 bnad_napi_disable(bnad, rx_id);
1793
1794 init_completion(&bnad->bnad_completions.rx_comp);
1795 spin_lock_irqsave(&bnad->bna_lock, flags);
1796 bna_rx_disable(rx_info->rx, BNA_HARD_CLEANUP, bnad_cb_rx_disabled);
1797 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1798 wait_for_completion(&bnad->bnad_completions.rx_comp);
1799
1800 if (rx_info->rx_ctrl[0].ccb->intr_type == BNA_INTR_T_MSIX)
1801 bnad_rx_msix_unregister(bnad, rx_info, rx_config->num_paths);
1802
1803 spin_lock_irqsave(&bnad->bna_lock, flags);
1804 bna_rx_destroy(rx_info->rx);
1805 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1806
1807 rx_info->rx = NULL;
1808
1809 bnad_rx_res_free(bnad, res_info);
1810}
1811
1812/* Called with mutex_lock(&bnad->conf_mutex) held */
1813int
1814bnad_setup_rx(struct bnad *bnad, uint rx_id)
1815{
1816 int err;
1817 struct bnad_rx_info *rx_info = &bnad->rx_info[rx_id];
1818 struct bna_res_info *res_info = &bnad->rx_res_info[rx_id].res_info[0];
1819 struct bna_intr_info *intr_info =
1820 &res_info[BNA_RX_RES_T_INTR].res_u.intr_info;
1821 struct bna_rx_config *rx_config = &bnad->rx_config[rx_id];
1822 struct bna_rx_event_cbfn rx_cbfn;
1823 struct bna_rx *rx;
1824 unsigned long flags;
1825
1826 /* Initialize the Rx object configuration */
1827 bnad_init_rx_config(bnad, rx_config);
1828
1829 /* Initialize the Rx event handlers */
1830 rx_cbfn.rcb_setup_cbfn = bnad_cb_rcb_setup;
1831 rx_cbfn.rcb_destroy_cbfn = bnad_cb_rcb_destroy;
1832 rx_cbfn.ccb_setup_cbfn = bnad_cb_ccb_setup;
1833 rx_cbfn.ccb_destroy_cbfn = bnad_cb_ccb_destroy;
1834 rx_cbfn.rx_cleanup_cbfn = bnad_cb_rx_cleanup;
1835 rx_cbfn.rx_post_cbfn = bnad_cb_rx_post;
1836
1837 /* Get BNA's resource requirement for one Rx object */
1838 spin_lock_irqsave(&bnad->bna_lock, flags);
1839 bna_rx_res_req(rx_config, res_info);
1840 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1841
1842 /* Fill Unmap Q memory requirements */
1843 BNAD_FILL_UNMAPQ_MEM_REQ(
1844 &res_info[BNA_RX_RES_MEM_T_UNMAPQ],
1845 rx_config->num_paths +
1846 ((rx_config->rxp_type == BNA_RXP_SINGLE) ? 0 :
1847 rx_config->num_paths), BNAD_RX_UNMAPQ_DEPTH);
1848
1849 /* Allocate resource */
1850 err = bnad_rx_res_alloc(bnad, res_info, rx_id);
1851 if (err)
1852 return err;
1853
1854 /* Ask BNA to create one Rx object, supplying required resources */
1855 spin_lock_irqsave(&bnad->bna_lock, flags);
1856 rx = bna_rx_create(&bnad->bna, bnad, rx_config, &rx_cbfn, res_info,
1857 rx_info);
1858 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1859 if (!rx)
1860 goto err_return;
1861 rx_info->rx = rx;
1862
1863 /* Register ISR for the Rx object */
1864 if (intr_info->intr_type == BNA_INTR_T_MSIX) {
1865 err = bnad_rx_msix_register(bnad, rx_info, rx_id,
1866 rx_config->num_paths);
1867 if (err)
1868 goto err_return;
1869 }
1870
1871 /* Enable NAPI */
1872 bnad_napi_enable(bnad, rx_id);
1873
1874 spin_lock_irqsave(&bnad->bna_lock, flags);
1875 if (0 == rx_id) {
1876 /* Set up Dynamic Interrupt Moderation Vector */
1877 if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED)
1878 bna_rx_dim_reconfig(&bnad->bna, bna_napi_dim_vector);
1879
1880 /* Enable VLAN filtering only on the default Rx */
1881 bna_rx_vlanfilter_enable(rx);
1882
1883 /* Start the DIM timer */
1884 bnad_dim_timer_start(bnad);
1885 }
1886
1887 bna_rx_enable(rx);
1888 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1889
1890 return 0;
1891
1892err_return:
1893 bnad_cleanup_rx(bnad, rx_id);
1894 return err;
1895}
1896
1897/* Called with conf_lock & bnad->bna_lock held */
1898void
1899bnad_tx_coalescing_timeo_set(struct bnad *bnad)
1900{
1901 struct bnad_tx_info *tx_info;
1902
1903 tx_info = &bnad->tx_info[0];
1904 if (!tx_info->tx)
1905 return;
1906
1907 bna_tx_coalescing_timeo_set(tx_info->tx, bnad->tx_coalescing_timeo);
1908}
1909
1910/* Called with conf_lock & bnad->bna_lock held */
1911void
1912bnad_rx_coalescing_timeo_set(struct bnad *bnad)
1913{
1914 struct bnad_rx_info *rx_info;
1915 int i;
1916
1917 for (i = 0; i < bnad->num_rx; i++) {
1918 rx_info = &bnad->rx_info[i];
1919 if (!rx_info->rx)
1920 continue;
1921 bna_rx_coalescing_timeo_set(rx_info->rx,
1922 bnad->rx_coalescing_timeo);
1923 }
1924}
1925
1926/*
1927 * Called with bnad->bna_lock held
1928 */
1929static int
1930bnad_mac_addr_set_locked(struct bnad *bnad, u8 *mac_addr)
1931{
1932 int ret;
1933
1934 if (!is_valid_ether_addr(mac_addr))
1935 return -EADDRNOTAVAIL;
1936
1937 /* If datapath is down, pretend everything went through */
1938 if (!bnad->rx_info[0].rx)
1939 return 0;
1940
1941 ret = bna_rx_ucast_set(bnad->rx_info[0].rx, mac_addr, NULL);
1942 if (ret != BNA_CB_SUCCESS)
1943 return -EADDRNOTAVAIL;
1944
1945 return 0;
1946}
1947
1948/* Should be called with conf_lock held */
1949static int
1950bnad_enable_default_bcast(struct bnad *bnad)
1951{
1952 struct bnad_rx_info *rx_info = &bnad->rx_info[0];
1953 int ret;
1954 unsigned long flags;
1955
1956 init_completion(&bnad->bnad_completions.mcast_comp);
1957
1958 spin_lock_irqsave(&bnad->bna_lock, flags);
1959 ret = bna_rx_mcast_add(rx_info->rx, (u8 *)bnad_bcast_addr,
1960 bnad_cb_rx_mcast_add);
1961 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1962
1963 if (ret == BNA_CB_SUCCESS)
1964 wait_for_completion(&bnad->bnad_completions.mcast_comp);
1965 else
1966 return -ENODEV;
1967
1968 if (bnad->bnad_completions.mcast_comp_status != BNA_CB_SUCCESS)
1969 return -ENODEV;
1970
1971 return 0;
1972}
1973
1974/* Called with bnad_conf_lock() held */
1975static void
1976bnad_restore_vlans(struct bnad *bnad, u32 rx_id)
1977{
1978 u16 vid;
1979 unsigned long flags;
1980
1981 BUG_ON(!(VLAN_N_VID == (BFI_MAX_VLAN + 1)));
1982
1983 for_each_set_bit(vid, bnad->active_vlans, VLAN_N_VID) {
1984 spin_lock_irqsave(&bnad->bna_lock, flags);
1985 bna_rx_vlan_add(bnad->rx_info[rx_id].rx, vid);
1986 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1987 }
1988}
1989
1990/* Statistics utilities */
1991void
1992bnad_netdev_qstats_fill(struct bnad *bnad, struct rtnl_link_stats64 *stats)
1993{
1994 int i, j;
1995
1996 for (i = 0; i < bnad->num_rx; i++) {
1997 for (j = 0; j < bnad->num_rxp_per_rx; j++) {
1998 if (bnad->rx_info[i].rx_ctrl[j].ccb) {
1999 stats->rx_packets += bnad->rx_info[i].
2000 rx_ctrl[j].ccb->rcb[0]->rxq->rx_packets;
2001 stats->rx_bytes += bnad->rx_info[i].
2002 rx_ctrl[j].ccb->rcb[0]->rxq->rx_bytes;
2003 if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
2004 bnad->rx_info[i].rx_ctrl[j].ccb->
2005 rcb[1]->rxq) {
2006 stats->rx_packets +=
2007 bnad->rx_info[i].rx_ctrl[j].
2008 ccb->rcb[1]->rxq->rx_packets;
2009 stats->rx_bytes +=
2010 bnad->rx_info[i].rx_ctrl[j].
2011 ccb->rcb[1]->rxq->rx_bytes;
2012 }
2013 }
2014 }
2015 }
2016 for (i = 0; i < bnad->num_tx; i++) {
2017 for (j = 0; j < bnad->num_txq_per_tx; j++) {
2018 if (bnad->tx_info[i].tcb[j]) {
2019 stats->tx_packets +=
2020 bnad->tx_info[i].tcb[j]->txq->tx_packets;
2021 stats->tx_bytes +=
2022 bnad->tx_info[i].tcb[j]->txq->tx_bytes;
2023 }
2024 }
2025 }
2026}
2027
2028/*
2029 * Must be called with the bna_lock held.
2030 */
2031void
2032bnad_netdev_hwstats_fill(struct bnad *bnad, struct rtnl_link_stats64 *stats)
2033{
2034 struct bfi_ll_stats_mac *mac_stats;
2035 u64 bmap;
2036 int i;
2037
2038 mac_stats = &bnad->stats.bna_stats->hw_stats->mac_stats;
2039 stats->rx_errors =
2040 mac_stats->rx_fcs_error + mac_stats->rx_alignment_error +
2041 mac_stats->rx_frame_length_error + mac_stats->rx_code_error +
2042 mac_stats->rx_undersize;
2043 stats->tx_errors = mac_stats->tx_fcs_error +
2044 mac_stats->tx_undersize;
2045 stats->rx_dropped = mac_stats->rx_drop;
2046 stats->tx_dropped = mac_stats->tx_drop;
2047 stats->multicast = mac_stats->rx_multicast;
2048 stats->collisions = mac_stats->tx_total_collision;
2049
2050 stats->rx_length_errors = mac_stats->rx_frame_length_error;
2051
2052 /* receive ring buffer overflow ?? */
2053
2054 stats->rx_crc_errors = mac_stats->rx_fcs_error;
2055 stats->rx_frame_errors = mac_stats->rx_alignment_error;
2056 /* recv'r fifo overrun */
2057 bmap = (u64)bnad->stats.bna_stats->rxf_bmap[0] |
2058 ((u64)bnad->stats.bna_stats->rxf_bmap[1] << 32);
2059 for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) {
2060 if (bmap & 1) {
2061 stats->rx_fifo_errors +=
2062 bnad->stats.bna_stats->
2063 hw_stats->rxf_stats[i].frame_drops;
2064 break;
2065 }
2066 bmap >>= 1;
2067 }
2068}
2069
2070static void
2071bnad_mbox_irq_sync(struct bnad *bnad)
2072{
2073 u32 irq;
2074 unsigned long flags;
2075
2076 spin_lock_irqsave(&bnad->bna_lock, flags);
2077 if (bnad->cfg_flags & BNAD_CF_MSIX)
2078 irq = bnad->msix_table[BNAD_MAILBOX_MSIX_INDEX].vector;
2079 else
2080 irq = bnad->pcidev->irq;
2081 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2082
2083 synchronize_irq(irq);
2084}
2085
2086/* Utility used by bnad_start_xmit, for doing TSO */
2087static int
2088bnad_tso_prepare(struct bnad *bnad, struct sk_buff *skb)
2089{
2090 int err;
2091
2092 /* SKB_GSO_TCPV4 and SKB_GSO_TCPV6 is defined since 2.6.18. */
2093 BUG_ON(!(skb_shinfo(skb)->gso_type == SKB_GSO_TCPV4 ||
2094 skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6));
2095 if (skb_header_cloned(skb)) {
2096 err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
2097 if (err) {
2098 BNAD_UPDATE_CTR(bnad, tso_err);
2099 return err;
2100 }
2101 }
2102
2103 /*
2104 * For TSO, the TCP checksum field is seeded with pseudo-header sum
2105 * excluding the length field.
2106 */
2107 if (skb->protocol == htons(ETH_P_IP)) {
2108 struct iphdr *iph = ip_hdr(skb);
2109
2110 /* Do we really need these? */
2111 iph->tot_len = 0;
2112 iph->check = 0;
2113
2114 tcp_hdr(skb)->check =
2115 ~csum_tcpudp_magic(iph->saddr, iph->daddr, 0,
2116 IPPROTO_TCP, 0);
2117 BNAD_UPDATE_CTR(bnad, tso4);
2118 } else {
2119 struct ipv6hdr *ipv6h = ipv6_hdr(skb);
2120
2121 BUG_ON(!(skb->protocol == htons(ETH_P_IPV6)));
2122 ipv6h->payload_len = 0;
2123 tcp_hdr(skb)->check =
2124 ~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr, 0,
2125 IPPROTO_TCP, 0);
2126 BNAD_UPDATE_CTR(bnad, tso6);
2127 }
2128
2129 return 0;
2130}
2131
2132/*
2133 * Initialize Q numbers depending on Rx Paths
2134 * Called with bnad->bna_lock held, because of cfg_flags
2135 * access.
2136 */
2137static void
2138bnad_q_num_init(struct bnad *bnad)
2139{
2140 int rxps;
2141
2142 rxps = min((uint)num_online_cpus(),
2143 (uint)(BNAD_MAX_RXS * BNAD_MAX_RXPS_PER_RX));
2144
2145 if (!(bnad->cfg_flags & BNAD_CF_MSIX))
2146 rxps = 1; /* INTx */
2147
2148 bnad->num_rx = 1;
2149 bnad->num_tx = 1;
2150 bnad->num_rxp_per_rx = rxps;
2151 bnad->num_txq_per_tx = BNAD_TXQ_NUM;
2152}
2153
2154/*
2155 * Adjusts the Q numbers, given a number of msix vectors
2156 * Give preference to RSS as opposed to Tx priority Queues,
2157 * in such a case, just use 1 Tx Q
2158 * Called with bnad->bna_lock held b'cos of cfg_flags access
2159 */
2160static void
2161bnad_q_num_adjust(struct bnad *bnad, int msix_vectors)
2162{
2163 bnad->num_txq_per_tx = 1;
2164 if ((msix_vectors >= (bnad->num_tx * bnad->num_txq_per_tx) +
2165 bnad_rxqs_per_cq + BNAD_MAILBOX_MSIX_VECTORS) &&
2166 (bnad->cfg_flags & BNAD_CF_MSIX)) {
2167 bnad->num_rxp_per_rx = msix_vectors -
2168 (bnad->num_tx * bnad->num_txq_per_tx) -
2169 BNAD_MAILBOX_MSIX_VECTORS;
2170 } else
2171 bnad->num_rxp_per_rx = 1;
2172}
2173
2174/* Enable / disable device */
2175static void
2176bnad_device_disable(struct bnad *bnad)
2177{
2178 unsigned long flags;
2179
2180 init_completion(&bnad->bnad_completions.ioc_comp);
2181
2182 spin_lock_irqsave(&bnad->bna_lock, flags);
2183 bna_device_disable(&bnad->bna.device, BNA_HARD_CLEANUP);
2184 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2185
2186 wait_for_completion(&bnad->bnad_completions.ioc_comp);
2187}
2188
2189static int
2190bnad_device_enable(struct bnad *bnad)
2191{
2192 int err = 0;
2193 unsigned long flags;
2194
2195 init_completion(&bnad->bnad_completions.ioc_comp);
2196
2197 spin_lock_irqsave(&bnad->bna_lock, flags);
2198 bna_device_enable(&bnad->bna.device);
2199 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2200
2201 wait_for_completion(&bnad->bnad_completions.ioc_comp);
2202
2203 if (bnad->bnad_completions.ioc_comp_status)
2204 err = bnad->bnad_completions.ioc_comp_status;
2205
2206 return err;
2207}
2208
2209/* Free BNA resources */
2210static void
2211bnad_res_free(struct bnad *bnad)
2212{
2213 int i;
2214 struct bna_res_info *res_info = &bnad->res_info[0];
2215
2216 for (i = 0; i < BNA_RES_T_MAX; i++) {
2217 if (res_info[i].res_type == BNA_RES_T_MEM)
2218 bnad_mem_free(bnad, &res_info[i].res_u.mem_info);
2219 else
2220 bnad_mbox_irq_free(bnad, &res_info[i].res_u.intr_info);
2221 }
2222}
2223
2224/* Allocates memory and interrupt resources for BNA */
2225static int
2226bnad_res_alloc(struct bnad *bnad)
2227{
2228 int i, err;
2229 struct bna_res_info *res_info = &bnad->res_info[0];
2230
2231 for (i = 0; i < BNA_RES_T_MAX; i++) {
2232 if (res_info[i].res_type == BNA_RES_T_MEM)
2233 err = bnad_mem_alloc(bnad, &res_info[i].res_u.mem_info);
2234 else
2235 err = bnad_mbox_irq_alloc(bnad,
2236 &res_info[i].res_u.intr_info);
2237 if (err)
2238 goto err_return;
2239 }
2240 return 0;
2241
2242err_return:
2243 bnad_res_free(bnad);
2244 return err;
2245}
2246
2247/* Interrupt enable / disable */
2248static void
2249bnad_enable_msix(struct bnad *bnad)
2250{
2251 int i, ret;
2252 unsigned long flags;
2253
2254 spin_lock_irqsave(&bnad->bna_lock, flags);
2255 if (!(bnad->cfg_flags & BNAD_CF_MSIX)) {
2256 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2257 return;
2258 }
2259 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2260
2261 if (bnad->msix_table)
2262 return;
2263
2264 bnad->msix_table =
2265 kcalloc(bnad->msix_num, sizeof(struct msix_entry), GFP_KERNEL);
2266
2267 if (!bnad->msix_table)
2268 goto intx_mode;
2269
2270 for (i = 0; i < bnad->msix_num; i++)
2271 bnad->msix_table[i].entry = i;
2272
2273 ret = pci_enable_msix(bnad->pcidev, bnad->msix_table, bnad->msix_num);
2274 if (ret > 0) {
2275 /* Not enough MSI-X vectors. */
2276
2277 spin_lock_irqsave(&bnad->bna_lock, flags);
2278 /* ret = #of vectors that we got */
2279 bnad_q_num_adjust(bnad, ret);
2280 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2281
2282 bnad->msix_num = (bnad->num_tx * bnad->num_txq_per_tx)
2283 + (bnad->num_rx
2284 * bnad->num_rxp_per_rx) +
2285 BNAD_MAILBOX_MSIX_VECTORS;
2286
2287 /* Try once more with adjusted numbers */
2288 /* If this fails, fall back to INTx */
2289 ret = pci_enable_msix(bnad->pcidev, bnad->msix_table,
2290 bnad->msix_num);
2291 if (ret)
2292 goto intx_mode;
2293
2294 } else if (ret < 0)
2295 goto intx_mode;
2296 return;
2297
2298intx_mode:
2299
2300 kfree(bnad->msix_table);
2301 bnad->msix_table = NULL;
2302 bnad->msix_num = 0;
2303 spin_lock_irqsave(&bnad->bna_lock, flags);
2304 bnad->cfg_flags &= ~BNAD_CF_MSIX;
2305 bnad_q_num_init(bnad);
2306 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2307}
2308
2309static void
2310bnad_disable_msix(struct bnad *bnad)
2311{
2312 u32 cfg_flags;
2313 unsigned long flags;
2314
2315 spin_lock_irqsave(&bnad->bna_lock, flags);
2316 cfg_flags = bnad->cfg_flags;
2317 if (bnad->cfg_flags & BNAD_CF_MSIX)
2318 bnad->cfg_flags &= ~BNAD_CF_MSIX;
2319 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2320
2321 if (cfg_flags & BNAD_CF_MSIX) {
2322 pci_disable_msix(bnad->pcidev);
2323 kfree(bnad->msix_table);
2324 bnad->msix_table = NULL;
2325 }
2326}
2327
2328/* Netdev entry points */
2329static int
2330bnad_open(struct net_device *netdev)
2331{
2332 int err;
2333 struct bnad *bnad = netdev_priv(netdev);
2334 struct bna_pause_config pause_config;
2335 int mtu;
2336 unsigned long flags;
2337
2338 mutex_lock(&bnad->conf_mutex);
2339
2340 /* Tx */
2341 err = bnad_setup_tx(bnad, 0);
2342 if (err)
2343 goto err_return;
2344
2345 /* Rx */
2346 err = bnad_setup_rx(bnad, 0);
2347 if (err)
2348 goto cleanup_tx;
2349
2350 /* Port */
2351 pause_config.tx_pause = 0;
2352 pause_config.rx_pause = 0;
2353
2354 mtu = ETH_HLEN + bnad->netdev->mtu + ETH_FCS_LEN;
2355
2356 spin_lock_irqsave(&bnad->bna_lock, flags);
2357 bna_port_mtu_set(&bnad->bna.port, mtu, NULL);
2358 bna_port_pause_config(&bnad->bna.port, &pause_config, NULL);
2359 bna_port_enable(&bnad->bna.port);
2360 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2361
2362 /* Enable broadcast */
2363 bnad_enable_default_bcast(bnad);
2364
2365 /* Restore VLANs, if any */
2366 bnad_restore_vlans(bnad, 0);
2367
2368 /* Set the UCAST address */
2369 spin_lock_irqsave(&bnad->bna_lock, flags);
2370 bnad_mac_addr_set_locked(bnad, netdev->dev_addr);
2371 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2372
2373 /* Start the stats timer */
2374 bnad_stats_timer_start(bnad);
2375
2376 mutex_unlock(&bnad->conf_mutex);
2377
2378 return 0;
2379
2380cleanup_tx:
2381 bnad_cleanup_tx(bnad, 0);
2382
2383err_return:
2384 mutex_unlock(&bnad->conf_mutex);
2385 return err;
2386}
2387
2388static int
2389bnad_stop(struct net_device *netdev)
2390{
2391 struct bnad *bnad = netdev_priv(netdev);
2392 unsigned long flags;
2393
2394 mutex_lock(&bnad->conf_mutex);
2395
2396 /* Stop the stats timer */
2397 bnad_stats_timer_stop(bnad);
2398
2399 init_completion(&bnad->bnad_completions.port_comp);
2400
2401 spin_lock_irqsave(&bnad->bna_lock, flags);
2402 bna_port_disable(&bnad->bna.port, BNA_HARD_CLEANUP,
2403 bnad_cb_port_disabled);
2404 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2405
2406 wait_for_completion(&bnad->bnad_completions.port_comp);
2407
2408 bnad_cleanup_tx(bnad, 0);
2409 bnad_cleanup_rx(bnad, 0);
2410
2411 /* Synchronize mailbox IRQ */
2412 bnad_mbox_irq_sync(bnad);
2413
2414 mutex_unlock(&bnad->conf_mutex);
2415
2416 return 0;
2417}
2418
2419/* TX */
2420/*
2421 * bnad_start_xmit : Netdev entry point for Transmit
2422 * Called under lock held by net_device
2423 */
2424static netdev_tx_t
2425bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
2426{
2427 struct bnad *bnad = netdev_priv(netdev);
2428
2429 u16 txq_prod, vlan_tag = 0;
2430 u32 unmap_prod, wis, wis_used, wi_range;
2431 u32 vectors, vect_id, i, acked;
2432 u32 tx_id;
2433 int err;
2434
2435 struct bnad_tx_info *tx_info;
2436 struct bna_tcb *tcb;
2437 struct bnad_unmap_q *unmap_q;
2438 dma_addr_t dma_addr;
2439 struct bna_txq_entry *txqent;
2440 bna_txq_wi_ctrl_flag_t flags;
2441
2442 if (unlikely
2443 (skb->len <= ETH_HLEN || skb->len > BFI_TX_MAX_DATA_PER_PKT)) {
2444 dev_kfree_skb(skb);
2445 return NETDEV_TX_OK;
2446 }
2447
2448 tx_id = 0;
2449
2450 tx_info = &bnad->tx_info[tx_id];
2451 tcb = tx_info->tcb[tx_id];
2452 unmap_q = tcb->unmap_q;
2453
2454 /*
2455 * Takes care of the Tx that is scheduled between clearing the flag
2456 * and the netif_stop_queue() call.
2457 */
2458 if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) {
2459 dev_kfree_skb(skb);
2460 return NETDEV_TX_OK;
2461 }
2462
2463 vectors = 1 + skb_shinfo(skb)->nr_frags;
2464 if (vectors > BFI_TX_MAX_VECTORS_PER_PKT) {
2465 dev_kfree_skb(skb);
2466 return NETDEV_TX_OK;
2467 }
2468 wis = BNA_TXQ_WI_NEEDED(vectors); /* 4 vectors per work item */
2469 acked = 0;
2470 if (unlikely
2471 (wis > BNA_QE_FREE_CNT(tcb, tcb->q_depth) ||
2472 vectors > BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth))) {
2473 if ((u16) (*tcb->hw_consumer_index) !=
2474 tcb->consumer_index &&
2475 !test_and_set_bit(BNAD_TXQ_FREE_SENT, &tcb->flags)) {
2476 acked = bnad_free_txbufs(bnad, tcb);
2477 if (likely(test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)))
2478 bna_ib_ack(tcb->i_dbell, acked);
2479 smp_mb__before_clear_bit();
2480 clear_bit(BNAD_TXQ_FREE_SENT, &tcb->flags);
2481 } else {
2482 netif_stop_queue(netdev);
2483 BNAD_UPDATE_CTR(bnad, netif_queue_stop);
2484 }
2485
2486 smp_mb();
2487 /*
2488 * Check again to deal with race condition between
2489 * netif_stop_queue here, and netif_wake_queue in
2490 * interrupt handler which is not inside netif tx lock.
2491 */
2492 if (likely
2493 (wis > BNA_QE_FREE_CNT(tcb, tcb->q_depth) ||
2494 vectors > BNA_QE_FREE_CNT(unmap_q, unmap_q->q_depth))) {
2495 BNAD_UPDATE_CTR(bnad, netif_queue_stop);
2496 return NETDEV_TX_BUSY;
2497 } else {
2498 netif_wake_queue(netdev);
2499 BNAD_UPDATE_CTR(bnad, netif_queue_wakeup);
2500 }
2501 }
2502
2503 unmap_prod = unmap_q->producer_index;
2504 wis_used = 1;
2505 vect_id = 0;
2506 flags = 0;
2507
2508 txq_prod = tcb->producer_index;
2509 BNA_TXQ_QPGE_PTR_GET(txq_prod, tcb->sw_qpt, txqent, wi_range);
2510 BUG_ON(!(wi_range <= tcb->q_depth));
2511 txqent->hdr.wi.reserved = 0;
2512 txqent->hdr.wi.num_vectors = vectors;
2513 txqent->hdr.wi.opcode =
2514 htons((skb_is_gso(skb) ? BNA_TXQ_WI_SEND_LSO :
2515 BNA_TXQ_WI_SEND));
2516
2517 if (vlan_tx_tag_present(skb)) {
2518 vlan_tag = (u16) vlan_tx_tag_get(skb);
2519 flags |= (BNA_TXQ_WI_CF_INS_PRIO | BNA_TXQ_WI_CF_INS_VLAN);
2520 }
2521 if (test_bit(BNAD_RF_CEE_RUNNING, &bnad->run_flags)) {
2522 vlan_tag =
2523 (tcb->priority & 0x7) << 13 | (vlan_tag & 0x1fff);
2524 flags |= (BNA_TXQ_WI_CF_INS_PRIO | BNA_TXQ_WI_CF_INS_VLAN);
2525 }
2526
2527 txqent->hdr.wi.vlan_tag = htons(vlan_tag);
2528
2529 if (skb_is_gso(skb)) {
2530 err = bnad_tso_prepare(bnad, skb);
2531 if (err) {
2532 dev_kfree_skb(skb);
2533 return NETDEV_TX_OK;
2534 }
2535 txqent->hdr.wi.lso_mss = htons(skb_is_gso(skb));
2536 flags |= (BNA_TXQ_WI_CF_IP_CKSUM | BNA_TXQ_WI_CF_TCP_CKSUM);
2537 txqent->hdr.wi.l4_hdr_size_n_offset =
2538 htons(BNA_TXQ_WI_L4_HDR_N_OFFSET
2539 (tcp_hdrlen(skb) >> 2,
2540 skb_transport_offset(skb)));
2541 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
2542 u8 proto = 0;
2543
2544 txqent->hdr.wi.lso_mss = 0;
2545
2546 if (skb->protocol == htons(ETH_P_IP))
2547 proto = ip_hdr(skb)->protocol;
2548 else if (skb->protocol == htons(ETH_P_IPV6)) {
2549 /* nexthdr may not be TCP immediately. */
2550 proto = ipv6_hdr(skb)->nexthdr;
2551 }
2552 if (proto == IPPROTO_TCP) {
2553 flags |= BNA_TXQ_WI_CF_TCP_CKSUM;
2554 txqent->hdr.wi.l4_hdr_size_n_offset =
2555 htons(BNA_TXQ_WI_L4_HDR_N_OFFSET
2556 (0, skb_transport_offset(skb)));
2557
2558 BNAD_UPDATE_CTR(bnad, tcpcsum_offload);
2559
2560 BUG_ON(!(skb_headlen(skb) >=
2561 skb_transport_offset(skb) + tcp_hdrlen(skb)));
2562
2563 } else if (proto == IPPROTO_UDP) {
2564 flags |= BNA_TXQ_WI_CF_UDP_CKSUM;
2565 txqent->hdr.wi.l4_hdr_size_n_offset =
2566 htons(BNA_TXQ_WI_L4_HDR_N_OFFSET
2567 (0, skb_transport_offset(skb)));
2568
2569 BNAD_UPDATE_CTR(bnad, udpcsum_offload);
2570
2571 BUG_ON(!(skb_headlen(skb) >=
2572 skb_transport_offset(skb) +
2573 sizeof(struct udphdr)));
2574 } else {
2575 err = skb_checksum_help(skb);
2576 BNAD_UPDATE_CTR(bnad, csum_help);
2577 if (err) {
2578 dev_kfree_skb(skb);
2579 BNAD_UPDATE_CTR(bnad, csum_help_err);
2580 return NETDEV_TX_OK;
2581 }
2582 }
2583 } else {
2584 txqent->hdr.wi.lso_mss = 0;
2585 txqent->hdr.wi.l4_hdr_size_n_offset = 0;
2586 }
2587
2588 txqent->hdr.wi.flags = htons(flags);
2589
2590 txqent->hdr.wi.frame_length = htonl(skb->len);
2591
2592 unmap_q->unmap_array[unmap_prod].skb = skb;
2593 BUG_ON(!(skb_headlen(skb) <= BFI_TX_MAX_DATA_PER_VECTOR));
2594 txqent->vector[vect_id].length = htons(skb_headlen(skb));
2595 dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data,
2596 skb_headlen(skb), DMA_TO_DEVICE);
2597 dma_unmap_addr_set(&unmap_q->unmap_array[unmap_prod], dma_addr,
2598 dma_addr);
2599
2600 BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr);
2601 BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth);
2602
2603 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
2604 struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
2605 u32 size = frag->size;
2606
2607 if (++vect_id == BFI_TX_MAX_VECTORS_PER_WI) {
2608 vect_id = 0;
2609 if (--wi_range)
2610 txqent++;
2611 else {
2612 BNA_QE_INDX_ADD(txq_prod, wis_used,
2613 tcb->q_depth);
2614 wis_used = 0;
2615 BNA_TXQ_QPGE_PTR_GET(txq_prod, tcb->sw_qpt,
2616 txqent, wi_range);
2617 BUG_ON(!(wi_range <= tcb->q_depth));
2618 }
2619 wis_used++;
2620 txqent->hdr.wi_ext.opcode = htons(BNA_TXQ_WI_EXTENSION);
2621 }
2622
2623 BUG_ON(!(size <= BFI_TX_MAX_DATA_PER_VECTOR));
2624 txqent->vector[vect_id].length = htons(size);
2625 dma_addr = dma_map_page(&bnad->pcidev->dev, frag->page,
2626 frag->page_offset, size, DMA_TO_DEVICE);
2627 dma_unmap_addr_set(&unmap_q->unmap_array[unmap_prod], dma_addr,
2628 dma_addr);
2629 BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr);
2630 BNA_QE_INDX_ADD(unmap_prod, 1, unmap_q->q_depth);
2631 }
2632
2633 unmap_q->producer_index = unmap_prod;
2634 BNA_QE_INDX_ADD(txq_prod, wis_used, tcb->q_depth);
2635 tcb->producer_index = txq_prod;
2636
2637 smp_mb();
2638
2639 if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags)))
2640 return NETDEV_TX_OK;
2641
2642 bna_txq_prod_indx_doorbell(tcb);
2643
2644 if ((u16) (*tcb->hw_consumer_index) != tcb->consumer_index)
2645 tasklet_schedule(&bnad->tx_free_tasklet);
2646
2647 return NETDEV_TX_OK;
2648}
2649
2650/*
2651 * Used spin_lock to synchronize reading of stats structures, which
2652 * is written by BNA under the same lock.
2653 */
2654static struct rtnl_link_stats64 *
2655bnad_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
2656{
2657 struct bnad *bnad = netdev_priv(netdev);
2658 unsigned long flags;
2659
2660 spin_lock_irqsave(&bnad->bna_lock, flags);
2661
2662 bnad_netdev_qstats_fill(bnad, stats);
2663 bnad_netdev_hwstats_fill(bnad, stats);
2664
2665 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2666
2667 return stats;
2668}
2669
2670static void
2671bnad_set_rx_mode(struct net_device *netdev)
2672{
2673 struct bnad *bnad = netdev_priv(netdev);
2674 u32 new_mask, valid_mask;
2675 unsigned long flags;
2676
2677 spin_lock_irqsave(&bnad->bna_lock, flags);
2678
2679 new_mask = valid_mask = 0;
2680
2681 if (netdev->flags & IFF_PROMISC) {
2682 if (!(bnad->cfg_flags & BNAD_CF_PROMISC)) {
2683 new_mask = BNAD_RXMODE_PROMISC_DEFAULT;
2684 valid_mask = BNAD_RXMODE_PROMISC_DEFAULT;
2685 bnad->cfg_flags |= BNAD_CF_PROMISC;
2686 }
2687 } else {
2688 if (bnad->cfg_flags & BNAD_CF_PROMISC) {
2689 new_mask = ~BNAD_RXMODE_PROMISC_DEFAULT;
2690 valid_mask = BNAD_RXMODE_PROMISC_DEFAULT;
2691 bnad->cfg_flags &= ~BNAD_CF_PROMISC;
2692 }
2693 }
2694
2695 if (netdev->flags & IFF_ALLMULTI) {
2696 if (!(bnad->cfg_flags & BNAD_CF_ALLMULTI)) {
2697 new_mask |= BNA_RXMODE_ALLMULTI;
2698 valid_mask |= BNA_RXMODE_ALLMULTI;
2699 bnad->cfg_flags |= BNAD_CF_ALLMULTI;
2700 }
2701 } else {
2702 if (bnad->cfg_flags & BNAD_CF_ALLMULTI) {
2703 new_mask &= ~BNA_RXMODE_ALLMULTI;
2704 valid_mask |= BNA_RXMODE_ALLMULTI;
2705 bnad->cfg_flags &= ~BNAD_CF_ALLMULTI;
2706 }
2707 }
2708
2709 bna_rx_mode_set(bnad->rx_info[0].rx, new_mask, valid_mask, NULL);
2710
2711 if (!netdev_mc_empty(netdev)) {
2712 u8 *mcaddr_list;
2713 int mc_count = netdev_mc_count(netdev);
2714
2715 /* Index 0 holds the broadcast address */
2716 mcaddr_list =
2717 kzalloc((mc_count + 1) * ETH_ALEN,
2718 GFP_ATOMIC);
2719 if (!mcaddr_list)
2720 goto unlock;
2721
2722 memcpy(&mcaddr_list[0], &bnad_bcast_addr[0], ETH_ALEN);
2723
2724 /* Copy rest of the MC addresses */
2725 bnad_netdev_mc_list_get(netdev, mcaddr_list);
2726
2727 bna_rx_mcast_listset(bnad->rx_info[0].rx, mc_count + 1,
2728 mcaddr_list, NULL);
2729
2730 /* Should we enable BNAD_CF_ALLMULTI for err != 0 ? */
2731 kfree(mcaddr_list);
2732 }
2733unlock:
2734 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2735}
2736
2737/*
2738 * bna_lock is used to sync writes to netdev->addr
2739 * conf_lock cannot be used since this call may be made
2740 * in a non-blocking context.
2741 */
2742static int
2743bnad_set_mac_address(struct net_device *netdev, void *mac_addr)
2744{
2745 int err;
2746 struct bnad *bnad = netdev_priv(netdev);
2747 struct sockaddr *sa = (struct sockaddr *)mac_addr;
2748 unsigned long flags;
2749
2750 spin_lock_irqsave(&bnad->bna_lock, flags);
2751
2752 err = bnad_mac_addr_set_locked(bnad, sa->sa_data);
2753
2754 if (!err)
2755 memcpy(netdev->dev_addr, sa->sa_data, netdev->addr_len);
2756
2757 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2758
2759 return err;
2760}
2761
2762static int
2763bnad_change_mtu(struct net_device *netdev, int new_mtu)
2764{
2765 int mtu, err = 0;
2766 unsigned long flags;
2767
2768 struct bnad *bnad = netdev_priv(netdev);
2769
2770 if (new_mtu + ETH_HLEN < ETH_ZLEN || new_mtu > BNAD_JUMBO_MTU)
2771 return -EINVAL;
2772
2773 mutex_lock(&bnad->conf_mutex);
2774
2775 netdev->mtu = new_mtu;
2776
2777 mtu = ETH_HLEN + new_mtu + ETH_FCS_LEN;
2778
2779 spin_lock_irqsave(&bnad->bna_lock, flags);
2780 bna_port_mtu_set(&bnad->bna.port, mtu, NULL);
2781 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2782
2783 mutex_unlock(&bnad->conf_mutex);
2784 return err;
2785}
2786
2787static void
2788bnad_vlan_rx_add_vid(struct net_device *netdev,
2789 unsigned short vid)
2790{
2791 struct bnad *bnad = netdev_priv(netdev);
2792 unsigned long flags;
2793
2794 if (!bnad->rx_info[0].rx)
2795 return;
2796
2797 mutex_lock(&bnad->conf_mutex);
2798
2799 spin_lock_irqsave(&bnad->bna_lock, flags);
2800 bna_rx_vlan_add(bnad->rx_info[0].rx, vid);
2801 set_bit(vid, bnad->active_vlans);
2802 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2803
2804 mutex_unlock(&bnad->conf_mutex);
2805}
2806
2807static void
2808bnad_vlan_rx_kill_vid(struct net_device *netdev,
2809 unsigned short vid)
2810{
2811 struct bnad *bnad = netdev_priv(netdev);
2812 unsigned long flags;
2813
2814 if (!bnad->rx_info[0].rx)
2815 return;
2816
2817 mutex_lock(&bnad->conf_mutex);
2818
2819 spin_lock_irqsave(&bnad->bna_lock, flags);
2820 clear_bit(vid, bnad->active_vlans);
2821 bna_rx_vlan_del(bnad->rx_info[0].rx, vid);
2822 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2823
2824 mutex_unlock(&bnad->conf_mutex);
2825}
2826
2827#ifdef CONFIG_NET_POLL_CONTROLLER
2828static void
2829bnad_netpoll(struct net_device *netdev)
2830{
2831 struct bnad *bnad = netdev_priv(netdev);
2832 struct bnad_rx_info *rx_info;
2833 struct bnad_rx_ctrl *rx_ctrl;
2834 u32 curr_mask;
2835 int i, j;
2836
2837 if (!(bnad->cfg_flags & BNAD_CF_MSIX)) {
2838 bna_intx_disable(&bnad->bna, curr_mask);
2839 bnad_isr(bnad->pcidev->irq, netdev);
2840 bna_intx_enable(&bnad->bna, curr_mask);
2841 } else {
2842 for (i = 0; i < bnad->num_rx; i++) {
2843 rx_info = &bnad->rx_info[i];
2844 if (!rx_info->rx)
2845 continue;
2846 for (j = 0; j < bnad->num_rxp_per_rx; j++) {
2847 rx_ctrl = &rx_info->rx_ctrl[j];
2848 if (rx_ctrl->ccb) {
2849 bnad_disable_rx_irq(bnad,
2850 rx_ctrl->ccb);
2851 bnad_netif_rx_schedule_poll(bnad,
2852 rx_ctrl->ccb);
2853 }
2854 }
2855 }
2856 }
2857}
2858#endif
2859
2860static const struct net_device_ops bnad_netdev_ops = {
2861 .ndo_open = bnad_open,
2862 .ndo_stop = bnad_stop,
2863 .ndo_start_xmit = bnad_start_xmit,
2864 .ndo_get_stats64 = bnad_get_stats64,
2865 .ndo_set_rx_mode = bnad_set_rx_mode,
2866 .ndo_set_multicast_list = bnad_set_rx_mode,
2867 .ndo_validate_addr = eth_validate_addr,
2868 .ndo_set_mac_address = bnad_set_mac_address,
2869 .ndo_change_mtu = bnad_change_mtu,
2870 .ndo_vlan_rx_add_vid = bnad_vlan_rx_add_vid,
2871 .ndo_vlan_rx_kill_vid = bnad_vlan_rx_kill_vid,
2872#ifdef CONFIG_NET_POLL_CONTROLLER
2873 .ndo_poll_controller = bnad_netpoll
2874#endif
2875};
2876
2877static void
2878bnad_netdev_init(struct bnad *bnad, bool using_dac)
2879{
2880 struct net_device *netdev = bnad->netdev;
2881
2882 netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM |
2883 NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
2884 NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_TX;
2885
2886 netdev->vlan_features = NETIF_F_SG | NETIF_F_HIGHDMA |
2887 NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
2888 NETIF_F_TSO | NETIF_F_TSO6;
2889
2890 netdev->features |= netdev->hw_features |
2891 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
2892
2893 if (using_dac)
2894 netdev->features |= NETIF_F_HIGHDMA;
2895
2896 netdev->mem_start = bnad->mmio_start;
2897 netdev->mem_end = bnad->mmio_start + bnad->mmio_len - 1;
2898
2899 netdev->netdev_ops = &bnad_netdev_ops;
2900 bnad_set_ethtool_ops(netdev);
2901}
2902
2903/*
2904 * 1. Initialize the bnad structure
2905 * 2. Setup netdev pointer in pci_dev
2906 * 3. Initialze Tx free tasklet
2907 * 4. Initialize no. of TxQ & CQs & MSIX vectors
2908 */
2909static int
2910bnad_init(struct bnad *bnad,
2911 struct pci_dev *pdev, struct net_device *netdev)
2912{
2913 unsigned long flags;
2914
2915 SET_NETDEV_DEV(netdev, &pdev->dev);
2916 pci_set_drvdata(pdev, netdev);
2917
2918 bnad->netdev = netdev;
2919 bnad->pcidev = pdev;
2920 bnad->mmio_start = pci_resource_start(pdev, 0);
2921 bnad->mmio_len = pci_resource_len(pdev, 0);
2922 bnad->bar0 = ioremap_nocache(bnad->mmio_start, bnad->mmio_len);
2923 if (!bnad->bar0) {
2924 dev_err(&pdev->dev, "ioremap for bar0 failed\n");
2925 pci_set_drvdata(pdev, NULL);
2926 return -ENOMEM;
2927 }
2928 pr_info("bar0 mapped to %p, len %llu\n", bnad->bar0,
2929 (unsigned long long) bnad->mmio_len);
2930
2931 spin_lock_irqsave(&bnad->bna_lock, flags);
2932 if (!bnad_msix_disable)
2933 bnad->cfg_flags = BNAD_CF_MSIX;
2934
2935 bnad->cfg_flags |= BNAD_CF_DIM_ENABLED;
2936
2937 bnad_q_num_init(bnad);
2938 spin_unlock_irqrestore(&bnad->bna_lock, flags);
2939
2940 bnad->msix_num = (bnad->num_tx * bnad->num_txq_per_tx) +
2941 (bnad->num_rx * bnad->num_rxp_per_rx) +
2942 BNAD_MAILBOX_MSIX_VECTORS;
2943
2944 bnad->txq_depth = BNAD_TXQ_DEPTH;
2945 bnad->rxq_depth = BNAD_RXQ_DEPTH;
2946
2947 bnad->tx_coalescing_timeo = BFI_TX_COALESCING_TIMEO;
2948 bnad->rx_coalescing_timeo = BFI_RX_COALESCING_TIMEO;
2949
2950 tasklet_init(&bnad->tx_free_tasklet, bnad_tx_free_tasklet,
2951 (unsigned long)bnad);
2952
2953 return 0;
2954}
2955
2956/*
2957 * Must be called after bnad_pci_uninit()
2958 * so that iounmap() and pci_set_drvdata(NULL)
2959 * happens only after PCI uninitialization.
2960 */
2961static void
2962bnad_uninit(struct bnad *bnad)
2963{
2964 if (bnad->bar0)
2965 iounmap(bnad->bar0);
2966 pci_set_drvdata(bnad->pcidev, NULL);
2967}
2968
2969/*
2970 * Initialize locks
2971 a) Per device mutes used for serializing configuration
2972 changes from OS interface
2973 b) spin lock used to protect bna state machine
2974 */
2975static void
2976bnad_lock_init(struct bnad *bnad)
2977{
2978 spin_lock_init(&bnad->bna_lock);
2979 mutex_init(&bnad->conf_mutex);
2980}
2981
2982static void
2983bnad_lock_uninit(struct bnad *bnad)
2984{
2985 mutex_destroy(&bnad->conf_mutex);
2986}
2987
2988/* PCI Initialization */
2989static int
2990bnad_pci_init(struct bnad *bnad,
2991 struct pci_dev *pdev, bool *using_dac)
2992{
2993 int err;
2994
2995 err = pci_enable_device(pdev);
2996 if (err)
2997 return err;
2998 err = pci_request_regions(pdev, BNAD_NAME);
2999 if (err)
3000 goto disable_device;
3001 if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) &&
3002 !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) {
3003 *using_dac = 1;
3004 } else {
3005 err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
3006 if (err) {
3007 err = dma_set_coherent_mask(&pdev->dev,
3008 DMA_BIT_MASK(32));
3009 if (err)
3010 goto release_regions;
3011 }
3012 *using_dac = 0;
3013 }
3014 pci_set_master(pdev);
3015 return 0;
3016
3017release_regions:
3018 pci_release_regions(pdev);
3019disable_device:
3020 pci_disable_device(pdev);
3021
3022 return err;
3023}
3024
3025static void
3026bnad_pci_uninit(struct pci_dev *pdev)
3027{
3028 pci_release_regions(pdev);
3029 pci_disable_device(pdev);
3030}
3031
3032static int __devinit
3033bnad_pci_probe(struct pci_dev *pdev,
3034 const struct pci_device_id *pcidev_id)
3035{
3036 bool using_dac = false;
3037 int err;
3038 struct bnad *bnad;
3039 struct bna *bna;
3040 struct net_device *netdev;
3041 struct bfa_pcidev pcidev_info;
3042 unsigned long flags;
3043
3044 pr_info("bnad_pci_probe : (0x%p, 0x%p) PCI Func : (%d)\n",
3045 pdev, pcidev_id, PCI_FUNC(pdev->devfn));
3046
3047 mutex_lock(&bnad_fwimg_mutex);
3048 if (!cna_get_firmware_buf(pdev)) {
3049 mutex_unlock(&bnad_fwimg_mutex);
3050 pr_warn("Failed to load Firmware Image!\n");
3051 return -ENODEV;
3052 }
3053 mutex_unlock(&bnad_fwimg_mutex);
3054
3055 /*
3056 * Allocates sizeof(struct net_device + struct bnad)
3057 * bnad = netdev->priv
3058 */
3059 netdev = alloc_etherdev(sizeof(struct bnad));
3060 if (!netdev) {
3061 dev_err(&pdev->dev, "alloc_etherdev failed\n");
3062 err = -ENOMEM;
3063 return err;
3064 }
3065 bnad = netdev_priv(netdev);
3066
3067 /*
3068 * PCI initialization
3069 * Output : using_dac = 1 for 64 bit DMA
3070 * = 0 for 32 bit DMA
3071 */
3072 err = bnad_pci_init(bnad, pdev, &using_dac);
3073 if (err)
3074 goto free_netdev;
3075
3076 bnad_lock_init(bnad);
3077 /*
3078 * Initialize bnad structure
3079 * Setup relation between pci_dev & netdev
3080 * Init Tx free tasklet
3081 */
3082 err = bnad_init(bnad, pdev, netdev);
3083 if (err)
3084 goto pci_uninit;
3085 /* Initialize netdev structure, set up ethtool ops */
3086 bnad_netdev_init(bnad, using_dac);
3087
3088 /* Set link to down state */
3089 netif_carrier_off(netdev);
3090
3091 bnad_enable_msix(bnad);
3092
3093 /* Get resource requirement form bna */
3094 bna_res_req(&bnad->res_info[0]);
3095
3096 /* Allocate resources from bna */
3097 err = bnad_res_alloc(bnad);
3098 if (err)
3099 goto free_netdev;
3100
3101 bna = &bnad->bna;
3102
3103 /* Setup pcidev_info for bna_init() */
3104 pcidev_info.pci_slot = PCI_SLOT(bnad->pcidev->devfn);
3105 pcidev_info.pci_func = PCI_FUNC(bnad->pcidev->devfn);
3106 pcidev_info.device_id = bnad->pcidev->device;
3107 pcidev_info.pci_bar_kva = bnad->bar0;
3108
3109 mutex_lock(&bnad->conf_mutex);
3110
3111 spin_lock_irqsave(&bnad->bna_lock, flags);
3112 bna_init(bna, bnad, &pcidev_info, &bnad->res_info[0]);
3113 spin_unlock_irqrestore(&bnad->bna_lock, flags);
3114
3115 bnad->stats.bna_stats = &bna->stats;
3116
3117 /* Set up timers */
3118 setup_timer(&bnad->bna.device.ioc.ioc_timer, bnad_ioc_timeout,
3119 ((unsigned long)bnad));
3120 setup_timer(&bnad->bna.device.ioc.hb_timer, bnad_ioc_hb_check,
3121 ((unsigned long)bnad));
3122 setup_timer(&bnad->bna.device.ioc.iocpf_timer, bnad_iocpf_timeout,
3123 ((unsigned long)bnad));
3124 setup_timer(&bnad->bna.device.ioc.sem_timer, bnad_iocpf_sem_timeout,
3125 ((unsigned long)bnad));
3126
3127 /* Now start the timer before calling IOC */
3128 mod_timer(&bnad->bna.device.ioc.iocpf_timer,
3129 jiffies + msecs_to_jiffies(BNA_IOC_TIMER_FREQ));
3130
3131 /*
3132 * Start the chip
3133 * Don't care even if err != 0, bna state machine will
3134 * deal with it
3135 */
3136 err = bnad_device_enable(bnad);
3137
3138 /* Get the burnt-in mac */
3139 spin_lock_irqsave(&bnad->bna_lock, flags);
3140 bna_port_mac_get(&bna->port, &bnad->perm_addr);
3141 bnad_set_netdev_perm_addr(bnad);
3142 spin_unlock_irqrestore(&bnad->bna_lock, flags);
3143
3144 mutex_unlock(&bnad->conf_mutex);
3145
3146 /* Finally, reguister with net_device layer */
3147 err = register_netdev(netdev);
3148 if (err) {
3149 pr_err("BNA : Registering with netdev failed\n");
3150 goto disable_device;
3151 }
3152
3153 return 0;
3154
3155disable_device:
3156 mutex_lock(&bnad->conf_mutex);
3157 bnad_device_disable(bnad);
3158 del_timer_sync(&bnad->bna.device.ioc.ioc_timer);
3159 del_timer_sync(&bnad->bna.device.ioc.sem_timer);
3160 del_timer_sync(&bnad->bna.device.ioc.hb_timer);
3161 spin_lock_irqsave(&bnad->bna_lock, flags);
3162 bna_uninit(bna);
3163 spin_unlock_irqrestore(&bnad->bna_lock, flags);
3164 mutex_unlock(&bnad->conf_mutex);
3165
3166 bnad_res_free(bnad);
3167 bnad_disable_msix(bnad);
3168pci_uninit:
3169 bnad_pci_uninit(pdev);
3170 bnad_lock_uninit(bnad);
3171 bnad_uninit(bnad);
3172free_netdev:
3173 free_netdev(netdev);
3174 return err;
3175}
3176
3177static void __devexit
3178bnad_pci_remove(struct pci_dev *pdev)
3179{
3180 struct net_device *netdev = pci_get_drvdata(pdev);
3181 struct bnad *bnad;
3182 struct bna *bna;
3183 unsigned long flags;
3184
3185 if (!netdev)
3186 return;
3187
3188 pr_info("%s bnad_pci_remove\n", netdev->name);
3189 bnad = netdev_priv(netdev);
3190 bna = &bnad->bna;
3191
3192 unregister_netdev(netdev);
3193
3194 mutex_lock(&bnad->conf_mutex);
3195 bnad_device_disable(bnad);
3196 del_timer_sync(&bnad->bna.device.ioc.ioc_timer);
3197 del_timer_sync(&bnad->bna.device.ioc.sem_timer);
3198 del_timer_sync(&bnad->bna.device.ioc.hb_timer);
3199 spin_lock_irqsave(&bnad->bna_lock, flags);
3200 bna_uninit(bna);
3201 spin_unlock_irqrestore(&bnad->bna_lock, flags);
3202 mutex_unlock(&bnad->conf_mutex);
3203
3204 bnad_res_free(bnad);
3205 bnad_disable_msix(bnad);
3206 bnad_pci_uninit(pdev);
3207 bnad_lock_uninit(bnad);
3208 bnad_uninit(bnad);
3209 free_netdev(netdev);
3210}
3211
3212static DEFINE_PCI_DEVICE_TABLE(bnad_pci_id_table) = {
3213 {
3214 PCI_DEVICE(PCI_VENDOR_ID_BROCADE,
3215 PCI_DEVICE_ID_BROCADE_CT),
3216 .class = PCI_CLASS_NETWORK_ETHERNET << 8,
3217 .class_mask = 0xffff00
3218 }, {0, }
3219};
3220
3221MODULE_DEVICE_TABLE(pci, bnad_pci_id_table);
3222
3223static struct pci_driver bnad_pci_driver = {
3224 .name = BNAD_NAME,
3225 .id_table = bnad_pci_id_table,
3226 .probe = bnad_pci_probe,
3227 .remove = __devexit_p(bnad_pci_remove),
3228};
3229
3230static int __init
3231bnad_module_init(void)
3232{
3233 int err;
3234
3235 pr_info("Brocade 10G Ethernet driver - version: %s\n",
3236 BNAD_VERSION);
3237
3238 bfa_nw_ioc_auto_recover(bnad_ioc_auto_recover);
3239
3240 err = pci_register_driver(&bnad_pci_driver);
3241 if (err < 0) {
3242 pr_err("bna : PCI registration failed in module init "
3243 "(%d)\n", err);
3244 return err;
3245 }
3246
3247 return 0;
3248}
3249
3250static void __exit
3251bnad_module_exit(void)
3252{
3253 pci_unregister_driver(&bnad_pci_driver);
3254
3255 if (bfi_fw)
3256 release_firmware(bfi_fw);
3257}
3258
3259module_init(bnad_module_init);
3260module_exit(bnad_module_exit);
3261
3262MODULE_AUTHOR("Brocade");
3263MODULE_LICENSE("GPL");
3264MODULE_DESCRIPTION("Brocade 10G PCIe Ethernet driver");
3265MODULE_VERSION(BNAD_VERSION);
3266MODULE_FIRMWARE(CNA_FW_FILE_CT);
diff --git a/drivers/net/ethernet/brocade/bna/bnad.h b/drivers/net/ethernet/brocade/bna/bnad.h
new file mode 100644
index 000000000000..458eb30371b5
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bnad.h
@@ -0,0 +1,341 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#ifndef __BNAD_H__
19#define __BNAD_H__
20
21#include <linux/rtnetlink.h>
22#include <linux/workqueue.h>
23#include <linux/ipv6.h>
24#include <linux/etherdevice.h>
25#include <linux/mutex.h>
26#include <linux/firmware.h>
27#include <linux/if_vlan.h>
28
29/* Fix for IA64 */
30#include <asm/checksum.h>
31#include <net/ip6_checksum.h>
32
33#include <net/ip.h>
34#include <net/tcp.h>
35
36#include "bna.h"
37
38#define BNAD_TXQ_DEPTH 2048
39#define BNAD_RXQ_DEPTH 2048
40
41#define BNAD_MAX_TXS 1
42#define BNAD_MAX_TXQ_PER_TX 8 /* 8 priority queues */
43#define BNAD_TXQ_NUM 1
44
45#define BNAD_MAX_RXS 1
46#define BNAD_MAX_RXPS_PER_RX 16
47
48/*
49 * Control structure pointed to ccb->ctrl, which
50 * determines the NAPI / LRO behavior CCB
51 * There is 1:1 corres. between ccb & ctrl
52 */
53struct bnad_rx_ctrl {
54 struct bna_ccb *ccb;
55 unsigned long flags;
56 struct napi_struct napi;
57};
58
59#define BNAD_RXMODE_PROMISC_DEFAULT BNA_RXMODE_PROMISC
60
61#define BNAD_GET_TX_ID(_skb) (0)
62
63/*
64 * GLOBAL #defines (CONSTANTS)
65 */
66#define BNAD_NAME "bna"
67#define BNAD_NAME_LEN 64
68
69#define BNAD_VERSION "2.3.2.3"
70
71#define BNAD_MAILBOX_MSIX_INDEX 0
72#define BNAD_MAILBOX_MSIX_VECTORS 1
73#define BNAD_INTX_TX_IB_BITMASK 0x1
74#define BNAD_INTX_RX_IB_BITMASK 0x2
75
76#define BNAD_STATS_TIMER_FREQ 1000 /* in msecs */
77#define BNAD_DIM_TIMER_FREQ 1000 /* in msecs */
78
79#define BNAD_MAX_Q_DEPTH 0x10000
80#define BNAD_MIN_Q_DEPTH 0x200
81
82#define BNAD_JUMBO_MTU 9000
83
84#define BNAD_NETIF_WAKE_THRESHOLD 8
85
86#define BNAD_RXQ_REFILL_THRESHOLD_SHIFT 3
87
88/* Bit positions for tcb->flags */
89#define BNAD_TXQ_FREE_SENT 0
90#define BNAD_TXQ_TX_STARTED 1
91
92/* Bit positions for rcb->flags */
93#define BNAD_RXQ_REFILL 0
94#define BNAD_RXQ_STARTED 1
95
96/*
97 * DATA STRUCTURES
98 */
99
100/* enums */
101enum bnad_intr_source {
102 BNAD_INTR_TX = 1,
103 BNAD_INTR_RX = 2
104};
105
106enum bnad_link_state {
107 BNAD_LS_DOWN = 0,
108 BNAD_LS_UP = 1
109};
110
111struct bnad_completion {
112 struct completion ioc_comp;
113 struct completion ucast_comp;
114 struct completion mcast_comp;
115 struct completion tx_comp;
116 struct completion rx_comp;
117 struct completion stats_comp;
118 struct completion port_comp;
119
120 u8 ioc_comp_status;
121 u8 ucast_comp_status;
122 u8 mcast_comp_status;
123 u8 tx_comp_status;
124 u8 rx_comp_status;
125 u8 stats_comp_status;
126 u8 port_comp_status;
127};
128
129/* Tx Rx Control Stats */
130struct bnad_drv_stats {
131 u64 netif_queue_stop;
132 u64 netif_queue_wakeup;
133 u64 netif_queue_stopped;
134 u64 tso4;
135 u64 tso6;
136 u64 tso_err;
137 u64 tcpcsum_offload;
138 u64 udpcsum_offload;
139 u64 csum_help;
140 u64 csum_help_err;
141
142 u64 hw_stats_updates;
143 u64 netif_rx_schedule;
144 u64 netif_rx_complete;
145 u64 netif_rx_dropped;
146
147 u64 link_toggle;
148 u64 cee_up;
149
150 u64 rxp_info_alloc_failed;
151 u64 mbox_intr_disabled;
152 u64 mbox_intr_enabled;
153 u64 tx_unmap_q_alloc_failed;
154 u64 rx_unmap_q_alloc_failed;
155
156 u64 rxbuf_alloc_failed;
157};
158
159/* Complete driver stats */
160struct bnad_stats {
161 struct bnad_drv_stats drv_stats;
162 struct bna_stats *bna_stats;
163};
164
165/* Tx / Rx Resources */
166struct bnad_tx_res_info {
167 struct bna_res_info res_info[BNA_TX_RES_T_MAX];
168};
169
170struct bnad_rx_res_info {
171 struct bna_res_info res_info[BNA_RX_RES_T_MAX];
172};
173
174struct bnad_tx_info {
175 struct bna_tx *tx; /* 1:1 between tx_info & tx */
176 struct bna_tcb *tcb[BNAD_MAX_TXQ_PER_TX];
177} ____cacheline_aligned;
178
179struct bnad_rx_info {
180 struct bna_rx *rx; /* 1:1 between rx_info & rx */
181
182 struct bnad_rx_ctrl rx_ctrl[BNAD_MAX_RXPS_PER_RX];
183} ____cacheline_aligned;
184
185/* Unmap queues for Tx / Rx cleanup */
186struct bnad_skb_unmap {
187 struct sk_buff *skb;
188 DEFINE_DMA_UNMAP_ADDR(dma_addr);
189};
190
191struct bnad_unmap_q {
192 u32 producer_index;
193 u32 consumer_index;
194 u32 q_depth;
195 /* This should be the last one */
196 struct bnad_skb_unmap unmap_array[1];
197};
198
199/* Bit mask values for bnad->cfg_flags */
200#define BNAD_CF_DIM_ENABLED 0x01 /* DIM */
201#define BNAD_CF_PROMISC 0x02
202#define BNAD_CF_ALLMULTI 0x04
203#define BNAD_CF_MSIX 0x08 /* If in MSIx mode */
204
205/* Defines for run_flags bit-mask */
206/* Set, tested & cleared using xxx_bit() functions */
207/* Values indicated bit positions */
208#define BNAD_RF_CEE_RUNNING 1
209#define BNAD_RF_MBOX_IRQ_DISABLED 2
210#define BNAD_RF_RX_STARTED 3
211#define BNAD_RF_DIM_TIMER_RUNNING 4
212#define BNAD_RF_STATS_TIMER_RUNNING 5
213#define BNAD_RF_TX_SHUTDOWN_DELAYED 6
214#define BNAD_RF_RX_SHUTDOWN_DELAYED 7
215
216struct bnad {
217 struct net_device *netdev;
218
219 /* Data path */
220 struct bnad_tx_info tx_info[BNAD_MAX_TXS];
221 struct bnad_rx_info rx_info[BNAD_MAX_RXS];
222
223 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
224 /*
225 * These q numbers are global only because
226 * they are used to calculate MSIx vectors.
227 * Actually the exact # of queues are per Tx/Rx
228 * object.
229 */
230 u32 num_tx;
231 u32 num_rx;
232 u32 num_txq_per_tx;
233 u32 num_rxp_per_rx;
234
235 u32 txq_depth;
236 u32 rxq_depth;
237
238 u8 tx_coalescing_timeo;
239 u8 rx_coalescing_timeo;
240
241 struct bna_rx_config rx_config[BNAD_MAX_RXS];
242 struct bna_tx_config tx_config[BNAD_MAX_TXS];
243
244 void __iomem *bar0; /* BAR0 address */
245
246 struct bna bna;
247
248 u32 cfg_flags;
249 unsigned long run_flags;
250
251 struct pci_dev *pcidev;
252 u64 mmio_start;
253 u64 mmio_len;
254
255 u32 msix_num;
256 struct msix_entry *msix_table;
257
258 struct mutex conf_mutex;
259 spinlock_t bna_lock ____cacheline_aligned;
260
261 /* Timers */
262 struct timer_list ioc_timer;
263 struct timer_list dim_timer;
264 struct timer_list stats_timer;
265
266 /* Control path resources, memory & irq */
267 struct bna_res_info res_info[BNA_RES_T_MAX];
268 struct bnad_tx_res_info tx_res_info[BNAD_MAX_TXS];
269 struct bnad_rx_res_info rx_res_info[BNAD_MAX_RXS];
270
271 struct bnad_completion bnad_completions;
272
273 /* Burnt in MAC address */
274 mac_t perm_addr;
275
276 struct tasklet_struct tx_free_tasklet;
277
278 /* Statistics */
279 struct bnad_stats stats;
280
281 struct bnad_diag *diag;
282
283 char adapter_name[BNAD_NAME_LEN];
284 char port_name[BNAD_NAME_LEN];
285 char mbox_irq_name[BNAD_NAME_LEN];
286};
287
288/*
289 * EXTERN VARIABLES
290 */
291extern struct firmware *bfi_fw;
292extern u32 bnad_rxqs_per_cq;
293
294/*
295 * EXTERN PROTOTYPES
296 */
297extern u32 *cna_get_firmware_buf(struct pci_dev *pdev);
298/* Netdev entry point prototypes */
299extern void bnad_set_ethtool_ops(struct net_device *netdev);
300
301/* Configuration & setup */
302extern void bnad_tx_coalescing_timeo_set(struct bnad *bnad);
303extern void bnad_rx_coalescing_timeo_set(struct bnad *bnad);
304
305extern int bnad_setup_rx(struct bnad *bnad, uint rx_id);
306extern int bnad_setup_tx(struct bnad *bnad, uint tx_id);
307extern void bnad_cleanup_tx(struct bnad *bnad, uint tx_id);
308extern void bnad_cleanup_rx(struct bnad *bnad, uint rx_id);
309
310/* Timer start/stop protos */
311extern void bnad_dim_timer_start(struct bnad *bnad);
312
313/* Statistics */
314extern void bnad_netdev_qstats_fill(struct bnad *bnad,
315 struct rtnl_link_stats64 *stats);
316extern void bnad_netdev_hwstats_fill(struct bnad *bnad,
317 struct rtnl_link_stats64 *stats);
318
319/**
320 * MACROS
321 */
322/* To set & get the stats counters */
323#define BNAD_UPDATE_CTR(_bnad, _ctr) \
324 (((_bnad)->stats.drv_stats._ctr)++)
325
326#define BNAD_GET_CTR(_bnad, _ctr) ((_bnad)->stats.drv_stats._ctr)
327
328#define bnad_enable_rx_irq_unsafe(_ccb) \
329{ \
330 if (likely(test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags))) {\
331 bna_ib_coalescing_timer_set((_ccb)->i_dbell, \
332 (_ccb)->rx_coalescing_timeo); \
333 bna_ib_ack((_ccb)->i_dbell, 0); \
334 } \
335}
336
337#define bnad_dim_timer_running(_bnad) \
338 (((_bnad)->cfg_flags & BNAD_CF_DIM_ENABLED) && \
339 (test_bit(BNAD_RF_DIM_TIMER_RUNNING, &((_bnad)->run_flags))))
340
341#endif /* __BNAD_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
new file mode 100644
index 000000000000..49174f87f4d1
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
@@ -0,0 +1,895 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#include "cna.h"
20
21#include <linux/netdevice.h>
22#include <linux/skbuff.h>
23#include <linux/ethtool.h>
24#include <linux/rtnetlink.h>
25
26#include "bna.h"
27
28#include "bnad.h"
29
30#define BNAD_NUM_TXF_COUNTERS 12
31#define BNAD_NUM_RXF_COUNTERS 10
32#define BNAD_NUM_CQ_COUNTERS 3
33#define BNAD_NUM_RXQ_COUNTERS 6
34#define BNAD_NUM_TXQ_COUNTERS 5
35
36#define BNAD_ETHTOOL_STATS_NUM \
37 (sizeof(struct rtnl_link_stats64) / sizeof(u64) + \
38 sizeof(struct bnad_drv_stats) / sizeof(u64) + \
39 offsetof(struct bfi_ll_stats, rxf_stats[0]) / sizeof(u64))
40
41static char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = {
42 "rx_packets",
43 "tx_packets",
44 "rx_bytes",
45 "tx_bytes",
46 "rx_errors",
47 "tx_errors",
48 "rx_dropped",
49 "tx_dropped",
50 "multicast",
51 "collisions",
52
53 "rx_length_errors",
54 "rx_over_errors",
55 "rx_crc_errors",
56 "rx_frame_errors",
57 "rx_fifo_errors",
58 "rx_missed_errors",
59
60 "tx_aborted_errors",
61 "tx_carrier_errors",
62 "tx_fifo_errors",
63 "tx_heartbeat_errors",
64 "tx_window_errors",
65
66 "rx_compressed",
67 "tx_compressed",
68
69 "netif_queue_stop",
70 "netif_queue_wakeup",
71 "netif_queue_stopped",
72 "tso4",
73 "tso6",
74 "tso_err",
75 "tcpcsum_offload",
76 "udpcsum_offload",
77 "csum_help",
78 "csum_help_err",
79 "hw_stats_updates",
80 "netif_rx_schedule",
81 "netif_rx_complete",
82 "netif_rx_dropped",
83
84 "link_toggle",
85 "cee_up",
86
87 "rxp_info_alloc_failed",
88 "mbox_intr_disabled",
89 "mbox_intr_enabled",
90 "tx_unmap_q_alloc_failed",
91 "rx_unmap_q_alloc_failed",
92 "rxbuf_alloc_failed",
93
94 "mac_frame_64",
95 "mac_frame_65_127",
96 "mac_frame_128_255",
97 "mac_frame_256_511",
98 "mac_frame_512_1023",
99 "mac_frame_1024_1518",
100 "mac_frame_1518_1522",
101 "mac_rx_bytes",
102 "mac_rx_packets",
103 "mac_rx_fcs_error",
104 "mac_rx_multicast",
105 "mac_rx_broadcast",
106 "mac_rx_control_frames",
107 "mac_rx_pause",
108 "mac_rx_unknown_opcode",
109 "mac_rx_alignment_error",
110 "mac_rx_frame_length_error",
111 "mac_rx_code_error",
112 "mac_rx_carrier_sense_error",
113 "mac_rx_undersize",
114 "mac_rx_oversize",
115 "mac_rx_fragments",
116 "mac_rx_jabber",
117 "mac_rx_drop",
118
119 "mac_tx_bytes",
120 "mac_tx_packets",
121 "mac_tx_multicast",
122 "mac_tx_broadcast",
123 "mac_tx_pause",
124 "mac_tx_deferral",
125 "mac_tx_excessive_deferral",
126 "mac_tx_single_collision",
127 "mac_tx_muliple_collision",
128 "mac_tx_late_collision",
129 "mac_tx_excessive_collision",
130 "mac_tx_total_collision",
131 "mac_tx_pause_honored",
132 "mac_tx_drop",
133 "mac_tx_jabber",
134 "mac_tx_fcs_error",
135 "mac_tx_control_frame",
136 "mac_tx_oversize",
137 "mac_tx_undersize",
138 "mac_tx_fragments",
139
140 "bpc_tx_pause_0",
141 "bpc_tx_pause_1",
142 "bpc_tx_pause_2",
143 "bpc_tx_pause_3",
144 "bpc_tx_pause_4",
145 "bpc_tx_pause_5",
146 "bpc_tx_pause_6",
147 "bpc_tx_pause_7",
148 "bpc_tx_zero_pause_0",
149 "bpc_tx_zero_pause_1",
150 "bpc_tx_zero_pause_2",
151 "bpc_tx_zero_pause_3",
152 "bpc_tx_zero_pause_4",
153 "bpc_tx_zero_pause_5",
154 "bpc_tx_zero_pause_6",
155 "bpc_tx_zero_pause_7",
156 "bpc_tx_first_pause_0",
157 "bpc_tx_first_pause_1",
158 "bpc_tx_first_pause_2",
159 "bpc_tx_first_pause_3",
160 "bpc_tx_first_pause_4",
161 "bpc_tx_first_pause_5",
162 "bpc_tx_first_pause_6",
163 "bpc_tx_first_pause_7",
164
165 "bpc_rx_pause_0",
166 "bpc_rx_pause_1",
167 "bpc_rx_pause_2",
168 "bpc_rx_pause_3",
169 "bpc_rx_pause_4",
170 "bpc_rx_pause_5",
171 "bpc_rx_pause_6",
172 "bpc_rx_pause_7",
173 "bpc_rx_zero_pause_0",
174 "bpc_rx_zero_pause_1",
175 "bpc_rx_zero_pause_2",
176 "bpc_rx_zero_pause_3",
177 "bpc_rx_zero_pause_4",
178 "bpc_rx_zero_pause_5",
179 "bpc_rx_zero_pause_6",
180 "bpc_rx_zero_pause_7",
181 "bpc_rx_first_pause_0",
182 "bpc_rx_first_pause_1",
183 "bpc_rx_first_pause_2",
184 "bpc_rx_first_pause_3",
185 "bpc_rx_first_pause_4",
186 "bpc_rx_first_pause_5",
187 "bpc_rx_first_pause_6",
188 "bpc_rx_first_pause_7",
189
190 "rad_rx_frames",
191 "rad_rx_octets",
192 "rad_rx_vlan_frames",
193 "rad_rx_ucast",
194 "rad_rx_ucast_octets",
195 "rad_rx_ucast_vlan",
196 "rad_rx_mcast",
197 "rad_rx_mcast_octets",
198 "rad_rx_mcast_vlan",
199 "rad_rx_bcast",
200 "rad_rx_bcast_octets",
201 "rad_rx_bcast_vlan",
202 "rad_rx_drops",
203
204 "fc_rx_ucast_octets",
205 "fc_rx_ucast",
206 "fc_rx_ucast_vlan",
207 "fc_rx_mcast_octets",
208 "fc_rx_mcast",
209 "fc_rx_mcast_vlan",
210 "fc_rx_bcast_octets",
211 "fc_rx_bcast",
212 "fc_rx_bcast_vlan",
213
214 "fc_tx_ucast_octets",
215 "fc_tx_ucast",
216 "fc_tx_ucast_vlan",
217 "fc_tx_mcast_octets",
218 "fc_tx_mcast",
219 "fc_tx_mcast_vlan",
220 "fc_tx_bcast_octets",
221 "fc_tx_bcast",
222 "fc_tx_bcast_vlan",
223 "fc_tx_parity_errors",
224 "fc_tx_timeout",
225 "fc_tx_fid_parity_errors",
226};
227
228static int
229bnad_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
230{
231 cmd->supported = SUPPORTED_10000baseT_Full;
232 cmd->advertising = ADVERTISED_10000baseT_Full;
233 cmd->autoneg = AUTONEG_DISABLE;
234 cmd->supported |= SUPPORTED_FIBRE;
235 cmd->advertising |= ADVERTISED_FIBRE;
236 cmd->port = PORT_FIBRE;
237 cmd->phy_address = 0;
238
239 if (netif_carrier_ok(netdev)) {
240 ethtool_cmd_speed_set(cmd, SPEED_10000);
241 cmd->duplex = DUPLEX_FULL;
242 } else {
243 ethtool_cmd_speed_set(cmd, -1);
244 cmd->duplex = -1;
245 }
246 cmd->transceiver = XCVR_EXTERNAL;
247 cmd->maxtxpkt = 0;
248 cmd->maxrxpkt = 0;
249
250 return 0;
251}
252
253static int
254bnad_set_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
255{
256 /* 10G full duplex setting supported only */
257 if (cmd->autoneg == AUTONEG_ENABLE)
258 return -EOPNOTSUPP; else {
259 if ((ethtool_cmd_speed(cmd) == SPEED_10000)
260 && (cmd->duplex == DUPLEX_FULL))
261 return 0;
262 }
263
264 return -EOPNOTSUPP;
265}
266
267static void
268bnad_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
269{
270 struct bnad *bnad = netdev_priv(netdev);
271 struct bfa_ioc_attr *ioc_attr;
272 unsigned long flags;
273
274 strcpy(drvinfo->driver, BNAD_NAME);
275 strcpy(drvinfo->version, BNAD_VERSION);
276
277 ioc_attr = kzalloc(sizeof(*ioc_attr), GFP_KERNEL);
278 if (ioc_attr) {
279 spin_lock_irqsave(&bnad->bna_lock, flags);
280 bfa_nw_ioc_get_attr(&bnad->bna.device.ioc, ioc_attr);
281 spin_unlock_irqrestore(&bnad->bna_lock, flags);
282
283 strncpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver,
284 sizeof(drvinfo->fw_version) - 1);
285 kfree(ioc_attr);
286 }
287
288 strncpy(drvinfo->bus_info, pci_name(bnad->pcidev), ETHTOOL_BUSINFO_LEN);
289}
290
291static void
292bnad_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wolinfo)
293{
294 wolinfo->supported = 0;
295 wolinfo->wolopts = 0;
296}
297
298static int
299bnad_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
300{
301 struct bnad *bnad = netdev_priv(netdev);
302 unsigned long flags;
303
304 /* Lock rqd. to access bnad->bna_lock */
305 spin_lock_irqsave(&bnad->bna_lock, flags);
306 coalesce->use_adaptive_rx_coalesce =
307 (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) ? true : false;
308 spin_unlock_irqrestore(&bnad->bna_lock, flags);
309
310 coalesce->rx_coalesce_usecs = bnad->rx_coalescing_timeo *
311 BFI_COALESCING_TIMER_UNIT;
312 coalesce->tx_coalesce_usecs = bnad->tx_coalescing_timeo *
313 BFI_COALESCING_TIMER_UNIT;
314 coalesce->tx_max_coalesced_frames = BFI_TX_INTERPKT_COUNT;
315
316 return 0;
317}
318
319static int
320bnad_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
321{
322 struct bnad *bnad = netdev_priv(netdev);
323 unsigned long flags;
324 int dim_timer_del = 0;
325
326 if (coalesce->rx_coalesce_usecs == 0 ||
327 coalesce->rx_coalesce_usecs >
328 BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT)
329 return -EINVAL;
330
331 if (coalesce->tx_coalesce_usecs == 0 ||
332 coalesce->tx_coalesce_usecs >
333 BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT)
334 return -EINVAL;
335
336 mutex_lock(&bnad->conf_mutex);
337 /*
338 * Do not need to store rx_coalesce_usecs here
339 * Every time DIM is disabled, we can get it from the
340 * stack.
341 */
342 spin_lock_irqsave(&bnad->bna_lock, flags);
343 if (coalesce->use_adaptive_rx_coalesce) {
344 if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) {
345 bnad->cfg_flags |= BNAD_CF_DIM_ENABLED;
346 bnad_dim_timer_start(bnad);
347 }
348 } else {
349 if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) {
350 bnad->cfg_flags &= ~BNAD_CF_DIM_ENABLED;
351 dim_timer_del = bnad_dim_timer_running(bnad);
352 if (dim_timer_del) {
353 clear_bit(BNAD_RF_DIM_TIMER_RUNNING,
354 &bnad->run_flags);
355 spin_unlock_irqrestore(&bnad->bna_lock, flags);
356 del_timer_sync(&bnad->dim_timer);
357 spin_lock_irqsave(&bnad->bna_lock, flags);
358 }
359 bnad_rx_coalescing_timeo_set(bnad);
360 }
361 }
362 if (bnad->tx_coalescing_timeo != coalesce->tx_coalesce_usecs /
363 BFI_COALESCING_TIMER_UNIT) {
364 bnad->tx_coalescing_timeo = coalesce->tx_coalesce_usecs /
365 BFI_COALESCING_TIMER_UNIT;
366 bnad_tx_coalescing_timeo_set(bnad);
367 }
368
369 if (bnad->rx_coalescing_timeo != coalesce->rx_coalesce_usecs /
370 BFI_COALESCING_TIMER_UNIT) {
371 bnad->rx_coalescing_timeo = coalesce->rx_coalesce_usecs /
372 BFI_COALESCING_TIMER_UNIT;
373
374 if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED))
375 bnad_rx_coalescing_timeo_set(bnad);
376
377 }
378
379 /* Add Tx Inter-pkt DMA count? */
380
381 spin_unlock_irqrestore(&bnad->bna_lock, flags);
382
383 mutex_unlock(&bnad->conf_mutex);
384 return 0;
385}
386
387static void
388bnad_get_ringparam(struct net_device *netdev,
389 struct ethtool_ringparam *ringparam)
390{
391 struct bnad *bnad = netdev_priv(netdev);
392
393 ringparam->rx_max_pending = BNAD_MAX_Q_DEPTH / bnad_rxqs_per_cq;
394 ringparam->rx_mini_max_pending = 0;
395 ringparam->rx_jumbo_max_pending = 0;
396 ringparam->tx_max_pending = BNAD_MAX_Q_DEPTH;
397
398 ringparam->rx_pending = bnad->rxq_depth;
399 ringparam->rx_mini_max_pending = 0;
400 ringparam->rx_jumbo_max_pending = 0;
401 ringparam->tx_pending = bnad->txq_depth;
402}
403
404static int
405bnad_set_ringparam(struct net_device *netdev,
406 struct ethtool_ringparam *ringparam)
407{
408 int i, current_err, err = 0;
409 struct bnad *bnad = netdev_priv(netdev);
410
411 mutex_lock(&bnad->conf_mutex);
412 if (ringparam->rx_pending == bnad->rxq_depth &&
413 ringparam->tx_pending == bnad->txq_depth) {
414 mutex_unlock(&bnad->conf_mutex);
415 return 0;
416 }
417
418 if (ringparam->rx_pending < BNAD_MIN_Q_DEPTH ||
419 ringparam->rx_pending > BNAD_MAX_Q_DEPTH / bnad_rxqs_per_cq ||
420 !BNA_POWER_OF_2(ringparam->rx_pending)) {
421 mutex_unlock(&bnad->conf_mutex);
422 return -EINVAL;
423 }
424 if (ringparam->tx_pending < BNAD_MIN_Q_DEPTH ||
425 ringparam->tx_pending > BNAD_MAX_Q_DEPTH ||
426 !BNA_POWER_OF_2(ringparam->tx_pending)) {
427 mutex_unlock(&bnad->conf_mutex);
428 return -EINVAL;
429 }
430
431 if (ringparam->rx_pending != bnad->rxq_depth) {
432 bnad->rxq_depth = ringparam->rx_pending;
433 for (i = 0; i < bnad->num_rx; i++) {
434 if (!bnad->rx_info[i].rx)
435 continue;
436 bnad_cleanup_rx(bnad, i);
437 current_err = bnad_setup_rx(bnad, i);
438 if (current_err && !err)
439 err = current_err;
440 }
441 }
442 if (ringparam->tx_pending != bnad->txq_depth) {
443 bnad->txq_depth = ringparam->tx_pending;
444 for (i = 0; i < bnad->num_tx; i++) {
445 if (!bnad->tx_info[i].tx)
446 continue;
447 bnad_cleanup_tx(bnad, i);
448 current_err = bnad_setup_tx(bnad, i);
449 if (current_err && !err)
450 err = current_err;
451 }
452 }
453
454 mutex_unlock(&bnad->conf_mutex);
455 return err;
456}
457
458static void
459bnad_get_pauseparam(struct net_device *netdev,
460 struct ethtool_pauseparam *pauseparam)
461{
462 struct bnad *bnad = netdev_priv(netdev);
463
464 pauseparam->autoneg = 0;
465 pauseparam->rx_pause = bnad->bna.port.pause_config.rx_pause;
466 pauseparam->tx_pause = bnad->bna.port.pause_config.tx_pause;
467}
468
469static int
470bnad_set_pauseparam(struct net_device *netdev,
471 struct ethtool_pauseparam *pauseparam)
472{
473 struct bnad *bnad = netdev_priv(netdev);
474 struct bna_pause_config pause_config;
475 unsigned long flags;
476
477 if (pauseparam->autoneg == AUTONEG_ENABLE)
478 return -EINVAL;
479
480 mutex_lock(&bnad->conf_mutex);
481 if (pauseparam->rx_pause != bnad->bna.port.pause_config.rx_pause ||
482 pauseparam->tx_pause != bnad->bna.port.pause_config.tx_pause) {
483 pause_config.rx_pause = pauseparam->rx_pause;
484 pause_config.tx_pause = pauseparam->tx_pause;
485 spin_lock_irqsave(&bnad->bna_lock, flags);
486 bna_port_pause_config(&bnad->bna.port, &pause_config, NULL);
487 spin_unlock_irqrestore(&bnad->bna_lock, flags);
488 }
489 mutex_unlock(&bnad->conf_mutex);
490 return 0;
491}
492
493static void
494bnad_get_strings(struct net_device *netdev, u32 stringset, u8 * string)
495{
496 struct bnad *bnad = netdev_priv(netdev);
497 int i, j, q_num;
498 u64 bmap;
499
500 mutex_lock(&bnad->conf_mutex);
501
502 switch (stringset) {
503 case ETH_SS_STATS:
504 for (i = 0; i < BNAD_ETHTOOL_STATS_NUM; i++) {
505 BUG_ON(!(strlen(bnad_net_stats_strings[i]) <
506 ETH_GSTRING_LEN));
507 memcpy(string, bnad_net_stats_strings[i],
508 ETH_GSTRING_LEN);
509 string += ETH_GSTRING_LEN;
510 }
511 bmap = (u64)bnad->bna.tx_mod.txf_bmap[0] |
512 ((u64)bnad->bna.tx_mod.txf_bmap[1] << 32);
513 for (i = 0; bmap && (i < BFI_LL_TXF_ID_MAX); i++) {
514 if (bmap & 1) {
515 sprintf(string, "txf%d_ucast_octets", i);
516 string += ETH_GSTRING_LEN;
517 sprintf(string, "txf%d_ucast", i);
518 string += ETH_GSTRING_LEN;
519 sprintf(string, "txf%d_ucast_vlan", i);
520 string += ETH_GSTRING_LEN;
521 sprintf(string, "txf%d_mcast_octets", i);
522 string += ETH_GSTRING_LEN;
523 sprintf(string, "txf%d_mcast", i);
524 string += ETH_GSTRING_LEN;
525 sprintf(string, "txf%d_mcast_vlan", i);
526 string += ETH_GSTRING_LEN;
527 sprintf(string, "txf%d_bcast_octets", i);
528 string += ETH_GSTRING_LEN;
529 sprintf(string, "txf%d_bcast", i);
530 string += ETH_GSTRING_LEN;
531 sprintf(string, "txf%d_bcast_vlan", i);
532 string += ETH_GSTRING_LEN;
533 sprintf(string, "txf%d_errors", i);
534 string += ETH_GSTRING_LEN;
535 sprintf(string, "txf%d_filter_vlan", i);
536 string += ETH_GSTRING_LEN;
537 sprintf(string, "txf%d_filter_mac_sa", i);
538 string += ETH_GSTRING_LEN;
539 }
540 bmap >>= 1;
541 }
542
543 bmap = (u64)bnad->bna.rx_mod.rxf_bmap[0] |
544 ((u64)bnad->bna.rx_mod.rxf_bmap[1] << 32);
545 for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) {
546 if (bmap & 1) {
547 sprintf(string, "rxf%d_ucast_octets", i);
548 string += ETH_GSTRING_LEN;
549 sprintf(string, "rxf%d_ucast", i);
550 string += ETH_GSTRING_LEN;
551 sprintf(string, "rxf%d_ucast_vlan", i);
552 string += ETH_GSTRING_LEN;
553 sprintf(string, "rxf%d_mcast_octets", i);
554 string += ETH_GSTRING_LEN;
555 sprintf(string, "rxf%d_mcast", i);
556 string += ETH_GSTRING_LEN;
557 sprintf(string, "rxf%d_mcast_vlan", i);
558 string += ETH_GSTRING_LEN;
559 sprintf(string, "rxf%d_bcast_octets", i);
560 string += ETH_GSTRING_LEN;
561 sprintf(string, "rxf%d_bcast", i);
562 string += ETH_GSTRING_LEN;
563 sprintf(string, "rxf%d_bcast_vlan", i);
564 string += ETH_GSTRING_LEN;
565 sprintf(string, "rxf%d_frame_drops", i);
566 string += ETH_GSTRING_LEN;
567 }
568 bmap >>= 1;
569 }
570
571 q_num = 0;
572 for (i = 0; i < bnad->num_rx; i++) {
573 if (!bnad->rx_info[i].rx)
574 continue;
575 for (j = 0; j < bnad->num_rxp_per_rx; j++) {
576 sprintf(string, "cq%d_producer_index", q_num);
577 string += ETH_GSTRING_LEN;
578 sprintf(string, "cq%d_consumer_index", q_num);
579 string += ETH_GSTRING_LEN;
580 sprintf(string, "cq%d_hw_producer_index",
581 q_num);
582 string += ETH_GSTRING_LEN;
583 q_num++;
584 }
585 }
586
587 q_num = 0;
588 for (i = 0; i < bnad->num_rx; i++) {
589 if (!bnad->rx_info[i].rx)
590 continue;
591 for (j = 0; j < bnad->num_rxp_per_rx; j++) {
592 sprintf(string, "rxq%d_packets", q_num);
593 string += ETH_GSTRING_LEN;
594 sprintf(string, "rxq%d_bytes", q_num);
595 string += ETH_GSTRING_LEN;
596 sprintf(string, "rxq%d_packets_with_error",
597 q_num);
598 string += ETH_GSTRING_LEN;
599 sprintf(string, "rxq%d_allocbuf_failed", q_num);
600 string += ETH_GSTRING_LEN;
601 sprintf(string, "rxq%d_producer_index", q_num);
602 string += ETH_GSTRING_LEN;
603 sprintf(string, "rxq%d_consumer_index", q_num);
604 string += ETH_GSTRING_LEN;
605 q_num++;
606 if (bnad->rx_info[i].rx_ctrl[j].ccb &&
607 bnad->rx_info[i].rx_ctrl[j].ccb->
608 rcb[1] &&
609 bnad->rx_info[i].rx_ctrl[j].ccb->
610 rcb[1]->rxq) {
611 sprintf(string, "rxq%d_packets", q_num);
612 string += ETH_GSTRING_LEN;
613 sprintf(string, "rxq%d_bytes", q_num);
614 string += ETH_GSTRING_LEN;
615 sprintf(string,
616 "rxq%d_packets_with_error", q_num);
617 string += ETH_GSTRING_LEN;
618 sprintf(string, "rxq%d_allocbuf_failed",
619 q_num);
620 string += ETH_GSTRING_LEN;
621 sprintf(string, "rxq%d_producer_index",
622 q_num);
623 string += ETH_GSTRING_LEN;
624 sprintf(string, "rxq%d_consumer_index",
625 q_num);
626 string += ETH_GSTRING_LEN;
627 q_num++;
628 }
629 }
630 }
631
632 q_num = 0;
633 for (i = 0; i < bnad->num_tx; i++) {
634 if (!bnad->tx_info[i].tx)
635 continue;
636 for (j = 0; j < bnad->num_txq_per_tx; j++) {
637 sprintf(string, "txq%d_packets", q_num);
638 string += ETH_GSTRING_LEN;
639 sprintf(string, "txq%d_bytes", q_num);
640 string += ETH_GSTRING_LEN;
641 sprintf(string, "txq%d_producer_index", q_num);
642 string += ETH_GSTRING_LEN;
643 sprintf(string, "txq%d_consumer_index", q_num);
644 string += ETH_GSTRING_LEN;
645 sprintf(string, "txq%d_hw_consumer_index",
646 q_num);
647 string += ETH_GSTRING_LEN;
648 q_num++;
649 }
650 }
651
652 break;
653
654 default:
655 break;
656 }
657
658 mutex_unlock(&bnad->conf_mutex);
659}
660
661static int
662bnad_get_stats_count_locked(struct net_device *netdev)
663{
664 struct bnad *bnad = netdev_priv(netdev);
665 int i, j, count, rxf_active_num = 0, txf_active_num = 0;
666 u64 bmap;
667
668 bmap = (u64)bnad->bna.tx_mod.txf_bmap[0] |
669 ((u64)bnad->bna.tx_mod.txf_bmap[1] << 32);
670 for (i = 0; bmap && (i < BFI_LL_TXF_ID_MAX); i++) {
671 if (bmap & 1)
672 txf_active_num++;
673 bmap >>= 1;
674 }
675 bmap = (u64)bnad->bna.rx_mod.rxf_bmap[0] |
676 ((u64)bnad->bna.rx_mod.rxf_bmap[1] << 32);
677 for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) {
678 if (bmap & 1)
679 rxf_active_num++;
680 bmap >>= 1;
681 }
682 count = BNAD_ETHTOOL_STATS_NUM +
683 txf_active_num * BNAD_NUM_TXF_COUNTERS +
684 rxf_active_num * BNAD_NUM_RXF_COUNTERS;
685
686 for (i = 0; i < bnad->num_rx; i++) {
687 if (!bnad->rx_info[i].rx)
688 continue;
689 count += bnad->num_rxp_per_rx * BNAD_NUM_CQ_COUNTERS;
690 count += bnad->num_rxp_per_rx * BNAD_NUM_RXQ_COUNTERS;
691 for (j = 0; j < bnad->num_rxp_per_rx; j++)
692 if (bnad->rx_info[i].rx_ctrl[j].ccb &&
693 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
694 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1]->rxq)
695 count += BNAD_NUM_RXQ_COUNTERS;
696 }
697
698 for (i = 0; i < bnad->num_tx; i++) {
699 if (!bnad->tx_info[i].tx)
700 continue;
701 count += bnad->num_txq_per_tx * BNAD_NUM_TXQ_COUNTERS;
702 }
703 return count;
704}
705
706static int
707bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi)
708{
709 int i, j;
710 struct bna_rcb *rcb = NULL;
711 struct bna_tcb *tcb = NULL;
712
713 for (i = 0; i < bnad->num_rx; i++) {
714 if (!bnad->rx_info[i].rx)
715 continue;
716 for (j = 0; j < bnad->num_rxp_per_rx; j++)
717 if (bnad->rx_info[i].rx_ctrl[j].ccb &&
718 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] &&
719 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0]->rxq) {
720 buf[bi++] = bnad->rx_info[i].rx_ctrl[j].
721 ccb->producer_index;
722 buf[bi++] = 0; /* ccb->consumer_index */
723 buf[bi++] = *(bnad->rx_info[i].rx_ctrl[j].
724 ccb->hw_producer_index);
725 }
726 }
727 for (i = 0; i < bnad->num_rx; i++) {
728 if (!bnad->rx_info[i].rx)
729 continue;
730 for (j = 0; j < bnad->num_rxp_per_rx; j++)
731 if (bnad->rx_info[i].rx_ctrl[j].ccb) {
732 if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] &&
733 bnad->rx_info[i].rx_ctrl[j].ccb->
734 rcb[0]->rxq) {
735 rcb = bnad->rx_info[i].rx_ctrl[j].
736 ccb->rcb[0];
737 buf[bi++] = rcb->rxq->rx_packets;
738 buf[bi++] = rcb->rxq->rx_bytes;
739 buf[bi++] = rcb->rxq->
740 rx_packets_with_error;
741 buf[bi++] = rcb->rxq->
742 rxbuf_alloc_failed;
743 buf[bi++] = rcb->producer_index;
744 buf[bi++] = rcb->consumer_index;
745 }
746 if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
747 bnad->rx_info[i].rx_ctrl[j].ccb->
748 rcb[1]->rxq) {
749 rcb = bnad->rx_info[i].rx_ctrl[j].
750 ccb->rcb[1];
751 buf[bi++] = rcb->rxq->rx_packets;
752 buf[bi++] = rcb->rxq->rx_bytes;
753 buf[bi++] = rcb->rxq->
754 rx_packets_with_error;
755 buf[bi++] = rcb->rxq->
756 rxbuf_alloc_failed;
757 buf[bi++] = rcb->producer_index;
758 buf[bi++] = rcb->consumer_index;
759 }
760 }
761 }
762
763 for (i = 0; i < bnad->num_tx; i++) {
764 if (!bnad->tx_info[i].tx)
765 continue;
766 for (j = 0; j < bnad->num_txq_per_tx; j++)
767 if (bnad->tx_info[i].tcb[j] &&
768 bnad->tx_info[i].tcb[j]->txq) {
769 tcb = bnad->tx_info[i].tcb[j];
770 buf[bi++] = tcb->txq->tx_packets;
771 buf[bi++] = tcb->txq->tx_bytes;
772 buf[bi++] = tcb->producer_index;
773 buf[bi++] = tcb->consumer_index;
774 buf[bi++] = *(tcb->hw_consumer_index);
775 }
776 }
777
778 return bi;
779}
780
781static void
782bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats,
783 u64 *buf)
784{
785 struct bnad *bnad = netdev_priv(netdev);
786 int i, j, bi;
787 unsigned long flags;
788 struct rtnl_link_stats64 *net_stats64;
789 u64 *stats64;
790 u64 bmap;
791
792 mutex_lock(&bnad->conf_mutex);
793 if (bnad_get_stats_count_locked(netdev) != stats->n_stats) {
794 mutex_unlock(&bnad->conf_mutex);
795 return;
796 }
797
798 /*
799 * Used bna_lock to sync reads from bna_stats, which is written
800 * under the same lock
801 */
802 spin_lock_irqsave(&bnad->bna_lock, flags);
803 bi = 0;
804 memset(buf, 0, stats->n_stats * sizeof(u64));
805
806 net_stats64 = (struct rtnl_link_stats64 *)buf;
807 bnad_netdev_qstats_fill(bnad, net_stats64);
808 bnad_netdev_hwstats_fill(bnad, net_stats64);
809
810 bi = sizeof(*net_stats64) / sizeof(u64);
811
812 /* Get netif_queue_stopped from stack */
813 bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev);
814
815 /* Fill driver stats into ethtool buffers */
816 stats64 = (u64 *)&bnad->stats.drv_stats;
817 for (i = 0; i < sizeof(struct bnad_drv_stats) / sizeof(u64); i++)
818 buf[bi++] = stats64[i];
819
820 /* Fill hardware stats excluding the rxf/txf into ethtool bufs */
821 stats64 = (u64 *) bnad->stats.bna_stats->hw_stats;
822 for (i = 0;
823 i < offsetof(struct bfi_ll_stats, rxf_stats[0]) / sizeof(u64);
824 i++)
825 buf[bi++] = stats64[i];
826
827 /* Fill txf stats into ethtool buffers */
828 bmap = (u64)bnad->bna.tx_mod.txf_bmap[0] |
829 ((u64)bnad->bna.tx_mod.txf_bmap[1] << 32);
830 for (i = 0; bmap && (i < BFI_LL_TXF_ID_MAX); i++) {
831 if (bmap & 1) {
832 stats64 = (u64 *)&bnad->stats.bna_stats->
833 hw_stats->txf_stats[i];
834 for (j = 0; j < sizeof(struct bfi_ll_stats_txf) /
835 sizeof(u64); j++)
836 buf[bi++] = stats64[j];
837 }
838 bmap >>= 1;
839 }
840
841 /* Fill rxf stats into ethtool buffers */
842 bmap = (u64)bnad->bna.rx_mod.rxf_bmap[0] |
843 ((u64)bnad->bna.rx_mod.rxf_bmap[1] << 32);
844 for (i = 0; bmap && (i < BFI_LL_RXF_ID_MAX); i++) {
845 if (bmap & 1) {
846 stats64 = (u64 *)&bnad->stats.bna_stats->
847 hw_stats->rxf_stats[i];
848 for (j = 0; j < sizeof(struct bfi_ll_stats_rxf) /
849 sizeof(u64); j++)
850 buf[bi++] = stats64[j];
851 }
852 bmap >>= 1;
853 }
854
855 /* Fill per Q stats into ethtool buffers */
856 bi = bnad_per_q_stats_fill(bnad, buf, bi);
857
858 spin_unlock_irqrestore(&bnad->bna_lock, flags);
859
860 mutex_unlock(&bnad->conf_mutex);
861}
862
863static int
864bnad_get_sset_count(struct net_device *netdev, int sset)
865{
866 switch (sset) {
867 case ETH_SS_STATS:
868 return bnad_get_stats_count_locked(netdev);
869 default:
870 return -EOPNOTSUPP;
871 }
872}
873
874static struct ethtool_ops bnad_ethtool_ops = {
875 .get_settings = bnad_get_settings,
876 .set_settings = bnad_set_settings,
877 .get_drvinfo = bnad_get_drvinfo,
878 .get_wol = bnad_get_wol,
879 .get_link = ethtool_op_get_link,
880 .get_coalesce = bnad_get_coalesce,
881 .set_coalesce = bnad_set_coalesce,
882 .get_ringparam = bnad_get_ringparam,
883 .set_ringparam = bnad_set_ringparam,
884 .get_pauseparam = bnad_get_pauseparam,
885 .set_pauseparam = bnad_set_pauseparam,
886 .get_strings = bnad_get_strings,
887 .get_ethtool_stats = bnad_get_ethtool_stats,
888 .get_sset_count = bnad_get_sset_count
889};
890
891void
892bnad_set_ethtool_ops(struct net_device *netdev)
893{
894 SET_ETHTOOL_OPS(netdev, &bnad_ethtool_ops);
895}
diff --git a/drivers/net/ethernet/brocade/bna/cna.h b/drivers/net/ethernet/brocade/bna/cna.h
new file mode 100644
index 000000000000..a679e038747b
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/cna.h
@@ -0,0 +1,80 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2006-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#ifndef __CNA_H__
20#define __CNA_H__
21
22#include <linux/kernel.h>
23#include <linux/types.h>
24#include <linux/pci.h>
25#include <linux/delay.h>
26#include <linux/bitops.h>
27#include <linux/timer.h>
28#include <linux/interrupt.h>
29#include <linux/if_ether.h>
30#include <asm/page.h>
31#include <asm/io.h>
32#include <asm/string.h>
33
34#include <linux/list.h>
35
36#define bfa_sm_fault(__event) do { \
37 pr_err("SM Assertion failure: %s: %d: event = %d", __FILE__, __LINE__, \
38 __event); \
39} while (0)
40
41extern char bfa_version[];
42
43#define CNA_FW_FILE_CT "ctfw_cna.bin"
44#define FC_SYMNAME_MAX 256 /*!< max name server symbolic name size */
45
46#pragma pack(1)
47
48#define MAC_ADDRLEN (6)
49typedef struct mac { u8 mac[MAC_ADDRLEN]; } mac_t;
50
51#pragma pack()
52
53#define bfa_q_first(_q) ((void *)(((struct list_head *) (_q))->next))
54#define bfa_q_next(_qe) (((struct list_head *) (_qe))->next)
55#define bfa_q_prev(_qe) (((struct list_head *) (_qe))->prev)
56
57/*
58 * bfa_q_qe_init - to initialize a queue element
59 */
60#define bfa_q_qe_init(_qe) { \
61 bfa_q_next(_qe) = (struct list_head *) NULL; \
62 bfa_q_prev(_qe) = (struct list_head *) NULL; \
63}
64
65/*
66 * bfa_q_deq - dequeue an element from head of the queue
67 */
68#define bfa_q_deq(_q, _qe) { \
69 if (!list_empty(_q)) { \
70 (*((struct list_head **) (_qe))) = bfa_q_next(_q); \
71 bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) = \
72 (struct list_head *) (_q); \
73 bfa_q_next(_q) = bfa_q_next(*((struct list_head **) _qe)); \
74 bfa_q_qe_init(*((struct list_head **) _qe)); \
75 } else { \
76 *((struct list_head **)(_qe)) = NULL; \
77 } \
78}
79
80#endif /* __CNA_H__ */
diff --git a/drivers/net/ethernet/brocade/bna/cna_fwimg.c b/drivers/net/ethernet/brocade/bna/cna_fwimg.c
new file mode 100644
index 000000000000..e8f4ecd9ebb5
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/cna_fwimg.c
@@ -0,0 +1,64 @@
1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18#include <linux/firmware.h>
19#include "cna.h"
20
21const struct firmware *bfi_fw;
22static u32 *bfi_image_ct_cna;
23static u32 bfi_image_ct_cna_size;
24
25static u32 *
26cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
27 u32 *bfi_image_size, char *fw_name)
28{
29 const struct firmware *fw;
30
31 if (request_firmware(&fw, fw_name, &pdev->dev)) {
32 pr_alert("Can't locate firmware %s\n", fw_name);
33 goto error;
34 }
35
36 *bfi_image = (u32 *)fw->data;
37 *bfi_image_size = fw->size/sizeof(u32);
38 bfi_fw = fw;
39
40 return *bfi_image;
41error:
42 return NULL;
43}
44
45u32 *
46cna_get_firmware_buf(struct pci_dev *pdev)
47{
48 if (bfi_image_ct_cna_size == 0)
49 cna_read_firmware(pdev, &bfi_image_ct_cna,
50 &bfi_image_ct_cna_size, CNA_FW_FILE_CT);
51 return bfi_image_ct_cna;
52}
53
54u32 *
55bfa_cb_image_get_chunk(int type, u32 off)
56{
57 return (u32 *)(bfi_image_ct_cna + off);
58}
59
60u32
61bfa_cb_image_get_size(int type)
62{
63 return bfi_image_ct_cna_size;
64}
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-17 06:08:25 -0500