1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
|
/*
* This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet
* driver for Linux.
*
* Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __T4VF_COMMON_H__
#define __T4VF_COMMON_H__
#include "../cxgb4/t4fw_api.h"
#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
#define CHELSIO_CHIP_VERSION(code) ((code) >> 4)
#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
#define CHELSIO_T4 0x4
#define CHELSIO_T5 0x5
enum chip_type {
T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 0),
T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
T4_A3 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
T4_FIRST_REV = T4_A1,
T4_LAST_REV = T4_A3,
T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
T5_FIRST_REV = T5_A1,
T5_LAST_REV = T5_A1,
};
/*
* The "len16" field of a Firmware Command Structure ...
*/
#define FW_LEN16(fw_struct) FW_CMD_LEN16(sizeof(fw_struct) / 16)
/*
* Per-VF statistics.
*/
struct t4vf_port_stats {
/*
* TX statistics.
*/
u64 tx_bcast_bytes; /* broadcast */
u64 tx_bcast_frames;
u64 tx_mcast_bytes; /* multicast */
u64 tx_mcast_frames;
u64 tx_ucast_bytes; /* unicast */
u64 tx_ucast_frames;
u64 tx_drop_frames; /* TX dropped frames */
u64 tx_offload_bytes; /* offload */
u64 tx_offload_frames;
/*
* RX statistics.
*/
u64 rx_bcast_bytes; /* broadcast */
u64 rx_bcast_frames;
u64 rx_mcast_bytes; /* multicast */
u64 rx_mcast_frames;
u64 rx_ucast_bytes;
u64 rx_ucast_frames; /* unicast */
u64 rx_err_frames; /* RX error frames */
};
/*
* Per-"port" (Virtual Interface) link configuration ...
*/
struct link_config {
unsigned int supported; /* link capabilities */
unsigned int advertising; /* advertised capabilities */
unsigned short requested_speed; /* speed user has requested */
unsigned short speed; /* actual link speed */
unsigned char requested_fc; /* flow control user has requested */
unsigned char fc; /* actual link flow control */
unsigned char autoneg; /* autonegotiating? */
unsigned char link_ok; /* link up? */
};
enum {
PAUSE_RX = 1 << 0,
PAUSE_TX = 1 << 1,
PAUSE_AUTONEG = 1 << 2
};
/*
* General device parameters ...
*/
struct dev_params {
u32 fwrev; /* firmware version */
u32 tprev; /* TP Microcode Version */
};
/*
* Scatter Gather Engine parameters. These are almost all determined by the
* Physical Function Driver. We just need to grab them to see within which
* environment we're playing ...
*/
struct sge_params {
u32 sge_control; /* padding, boundaries, lengths, etc. */
u32 sge_host_page_size; /* RDMA page sizes */
u32 sge_queues_per_page; /* RDMA queues/page */
u32 sge_user_mode_limits; /* limits for BAR2 user mode accesses */
u32 sge_fl_buffer_size[16]; /* free list buffer sizes */
u32 sge_ingress_rx_threshold; /* RX counter interrupt threshold[4] */
u32 sge_timer_value_0_and_1; /* interrupt coalescing timer values */
u32 sge_timer_value_2_and_3;
u32 sge_timer_value_4_and_5;
};
/*
* Vital Product Data parameters.
*/
struct vpd_params {
u32 cclk; /* Core Clock (KHz) */
};
/*
* Global Receive Side Scaling (RSS) parameters in host-native format.
*/
struct rss_params {
unsigned int mode; /* RSS mode */
union {
struct {
unsigned int synmapen:1; /* SYN Map Enable */
unsigned int syn4tupenipv6:1; /* enable hashing 4-tuple IPv6 SYNs */
unsigned int syn2tupenipv6:1; /* enable hashing 2-tuple IPv6 SYNs */
unsigned int syn4tupenipv4:1; /* enable hashing 4-tuple IPv4 SYNs */
unsigned int syn2tupenipv4:1; /* enable hashing 2-tuple IPv4 SYNs */
unsigned int ofdmapen:1; /* Offload Map Enable */
unsigned int tnlmapen:1; /* Tunnel Map Enable */
unsigned int tnlalllookup:1; /* Tunnel All Lookup */
unsigned int hashtoeplitz:1; /* use Toeplitz hash */
} basicvirtual;
} u;
};
/*
* Virtual Interface RSS Configuration in host-native format.
*/
union rss_vi_config {
struct {
u16 defaultq; /* Ingress Queue ID for !tnlalllookup */
unsigned int ip6fourtupen:1; /* hash 4-tuple IPv6 ingress packets */
unsigned int ip6twotupen:1; /* hash 2-tuple IPv6 ingress packets */
unsigned int ip4fourtupen:1; /* hash 4-tuple IPv4 ingress packets */
unsigned int ip4twotupen:1; /* hash 2-tuple IPv4 ingress packets */
int udpen; /* hash 4-tuple UDP ingress packets */
} basicvirtual;
};
/*
* Maximum resources provisioned for a PCI VF.
*/
struct vf_resources {
unsigned int nvi; /* N virtual interfaces */
unsigned int neq; /* N egress Qs */
unsigned int nethctrl; /* N egress ETH or CTRL Qs */
unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */
unsigned int niq; /* N ingress Qs */
unsigned int tc; /* PCI-E traffic class */
unsigned int pmask; /* port access rights mask */
unsigned int nexactf; /* N exact MPS filters */
unsigned int r_caps; /* read capabilities */
unsigned int wx_caps; /* write/execute capabilities */
};
/*
* Per-"adapter" (Virtual Function) parameters.
*/
struct adapter_params {
struct dev_params dev; /* general device parameters */
struct sge_params sge; /* Scatter Gather Engine */
struct vpd_params vpd; /* Vital Product Data */
struct rss_params rss; /* Receive Side Scaling */
struct vf_resources vfres; /* Virtual Function Resource limits */
u8 nports; /* # of Ethernet "ports" */
};
#include "adapter.h"
#ifndef PCI_VENDOR_ID_CHELSIO
# define PCI_VENDOR_ID_CHELSIO 0x1425
#endif
#define for_each_port(adapter, iter) \
for (iter = 0; iter < (adapter)->params.nports; iter++)
static inline bool is_10g_port(const struct link_config *lc)
{
return (lc->supported & SUPPORTED_10000baseT_Full) != 0;
}
static inline unsigned int core_ticks_per_usec(const struct adapter *adapter)
{
return adapter->params.vpd.cclk / 1000;
}
static inline unsigned int us_to_core_ticks(const struct adapter *adapter,
unsigned int us)
{
return (us * adapter->params.vpd.cclk) / 1000;
}
static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
unsigned int ticks)
{
return (ticks * 1000) / adapter->params.vpd.cclk;
}
int t4vf_wr_mbox_core(struct adapter *, const void *, int, void *, bool);
static inline int t4vf_wr_mbox(struct adapter *adapter, const void *cmd,
int size, void *rpl)
{
return t4vf_wr_mbox_core(adapter, cmd, size, rpl, true);
}
static inline int t4vf_wr_mbox_ns(struct adapter *adapter, const void *cmd,
int size, void *rpl)
{
return t4vf_wr_mbox_core(adapter, cmd, size, rpl, false);
}
static inline int is_t4(enum chip_type chip)
{
return (chip >= T4_FIRST_REV && chip <= T4_LAST_REV);
}
int t4vf_wait_dev_ready(struct adapter *);
int t4vf_port_init(struct adapter *, int);
int t4vf_fw_reset(struct adapter *);
int t4vf_query_params(struct adapter *, unsigned int, const u32 *, u32 *);
int t4vf_set_params(struct adapter *, unsigned int, const u32 *, const u32 *);
int t4vf_get_sge_params(struct adapter *);
int t4vf_get_vpd_params(struct adapter *);
int t4vf_get_dev_params(struct adapter *);
int t4vf_get_rss_glb_config(struct adapter *);
int t4vf_get_vfres(struct adapter *);
int t4vf_read_rss_vi_config(struct adapter *, unsigned int,
union rss_vi_config *);
int t4vf_write_rss_vi_config(struct adapter *, unsigned int,
union rss_vi_config *);
int t4vf_config_rss_range(struct adapter *, unsigned int, int, int,
const u16 *, int);
int t4vf_alloc_vi(struct adapter *, int);
int t4vf_free_vi(struct adapter *, int);
int t4vf_enable_vi(struct adapter *, unsigned int, bool, bool);
int t4vf_identify_port(struct adapter *, unsigned int, unsigned int);
int t4vf_set_rxmode(struct adapter *, unsigned int, int, int, int, int, int,
bool);
int t4vf_alloc_mac_filt(struct adapter *, unsigned int, bool, unsigned int,
const u8 **, u16 *, u64 *, bool);
int t4vf_change_mac(struct adapter *, unsigned int, int, const u8 *, bool);
int t4vf_set_addr_hash(struct adapter *, unsigned int, bool, u64, bool);
int t4vf_get_port_stats(struct adapter *, int, struct t4vf_port_stats *);
int t4vf_iq_free(struct adapter *, unsigned int, unsigned int, unsigned int,
unsigned int);
int t4vf_eth_eq_free(struct adapter *, unsigned int);
int t4vf_handle_fw_rpl(struct adapter *, const __be64 *);
#endif /* __T4VF_COMMON_H__ */
|
