diff options
Diffstat (limited to 'drivers/net/cnic_if.h')
-rw-r--r-- | drivers/net/cnic_if.h | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/drivers/net/cnic_if.h b/drivers/net/cnic_if.h new file mode 100644 index 000000000000..06380963a34e --- /dev/null +++ b/drivers/net/cnic_if.h | |||
@@ -0,0 +1,299 @@ | |||
1 | /* cnic_if.h: Broadcom CNIC core network driver. | ||
2 | * | ||
3 | * Copyright (c) 2006 Broadcom Corporation | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License as published by | ||
7 | * the Free Software Foundation. | ||
8 | * | ||
9 | */ | ||
10 | |||
11 | |||
12 | #ifndef CNIC_IF_H | ||
13 | #define CNIC_IF_H | ||
14 | |||
15 | #define CNIC_MODULE_VERSION "2.0.0" | ||
16 | #define CNIC_MODULE_RELDATE "May 21, 2009" | ||
17 | |||
18 | #define CNIC_ULP_RDMA 0 | ||
19 | #define CNIC_ULP_ISCSI 1 | ||
20 | #define CNIC_ULP_L4 2 | ||
21 | #define MAX_CNIC_ULP_TYPE_EXT 2 | ||
22 | #define MAX_CNIC_ULP_TYPE 3 | ||
23 | |||
24 | struct kwqe { | ||
25 | u32 kwqe_op_flag; | ||
26 | |||
27 | #define KWQE_OPCODE_MASK 0x00ff0000 | ||
28 | #define KWQE_OPCODE_SHIFT 16 | ||
29 | #define KWQE_FLAGS_LAYER_SHIFT 28 | ||
30 | #define KWQE_OPCODE(x) ((x & KWQE_OPCODE_MASK) >> KWQE_OPCODE_SHIFT) | ||
31 | |||
32 | u32 kwqe_info0; | ||
33 | u32 kwqe_info1; | ||
34 | u32 kwqe_info2; | ||
35 | u32 kwqe_info3; | ||
36 | u32 kwqe_info4; | ||
37 | u32 kwqe_info5; | ||
38 | u32 kwqe_info6; | ||
39 | }; | ||
40 | |||
41 | struct kwqe_16 { | ||
42 | u32 kwqe_info0; | ||
43 | u32 kwqe_info1; | ||
44 | u32 kwqe_info2; | ||
45 | u32 kwqe_info3; | ||
46 | }; | ||
47 | |||
48 | struct kcqe { | ||
49 | u32 kcqe_info0; | ||
50 | u32 kcqe_info1; | ||
51 | u32 kcqe_info2; | ||
52 | u32 kcqe_info3; | ||
53 | u32 kcqe_info4; | ||
54 | u32 kcqe_info5; | ||
55 | u32 kcqe_info6; | ||
56 | u32 kcqe_op_flag; | ||
57 | #define KCQE_RAMROD_COMPLETION (0x1<<27) /* Everest */ | ||
58 | #define KCQE_FLAGS_LAYER_MASK (0x7<<28) | ||
59 | #define KCQE_FLAGS_LAYER_MASK_MISC (0<<28) | ||
60 | #define KCQE_FLAGS_LAYER_MASK_L2 (2<<28) | ||
61 | #define KCQE_FLAGS_LAYER_MASK_L3 (3<<28) | ||
62 | #define KCQE_FLAGS_LAYER_MASK_L4 (4<<28) | ||
63 | #define KCQE_FLAGS_LAYER_MASK_L5_RDMA (5<<28) | ||
64 | #define KCQE_FLAGS_LAYER_MASK_L5_ISCSI (6<<28) | ||
65 | #define KCQE_FLAGS_NEXT (1<<31) | ||
66 | #define KCQE_FLAGS_OPCODE_MASK (0xff<<16) | ||
67 | #define KCQE_FLAGS_OPCODE_SHIFT (16) | ||
68 | #define KCQE_OPCODE(op) \ | ||
69 | (((op) & KCQE_FLAGS_OPCODE_MASK) >> KCQE_FLAGS_OPCODE_SHIFT) | ||
70 | }; | ||
71 | |||
72 | #define MAX_CNIC_CTL_DATA 64 | ||
73 | #define MAX_DRV_CTL_DATA 64 | ||
74 | |||
75 | #define CNIC_CTL_STOP_CMD 1 | ||
76 | #define CNIC_CTL_START_CMD 2 | ||
77 | #define CNIC_CTL_COMPLETION_CMD 3 | ||
78 | |||
79 | #define DRV_CTL_IO_WR_CMD 0x101 | ||
80 | #define DRV_CTL_IO_RD_CMD 0x102 | ||
81 | #define DRV_CTL_CTX_WR_CMD 0x103 | ||
82 | #define DRV_CTL_CTXTBL_WR_CMD 0x104 | ||
83 | #define DRV_CTL_COMPLETION_CMD 0x105 | ||
84 | |||
85 | struct cnic_ctl_completion { | ||
86 | u32 cid; | ||
87 | }; | ||
88 | |||
89 | struct drv_ctl_completion { | ||
90 | u32 comp_count; | ||
91 | }; | ||
92 | |||
93 | struct cnic_ctl_info { | ||
94 | int cmd; | ||
95 | union { | ||
96 | struct cnic_ctl_completion comp; | ||
97 | char bytes[MAX_CNIC_CTL_DATA]; | ||
98 | } data; | ||
99 | }; | ||
100 | |||
101 | struct drv_ctl_io { | ||
102 | u32 cid_addr; | ||
103 | u32 offset; | ||
104 | u32 data; | ||
105 | dma_addr_t dma_addr; | ||
106 | }; | ||
107 | |||
108 | struct drv_ctl_info { | ||
109 | int cmd; | ||
110 | union { | ||
111 | struct drv_ctl_completion comp; | ||
112 | struct drv_ctl_io io; | ||
113 | char bytes[MAX_DRV_CTL_DATA]; | ||
114 | } data; | ||
115 | }; | ||
116 | |||
117 | struct cnic_ops { | ||
118 | struct module *cnic_owner; | ||
119 | /* Calls to these functions are protected by RCU. When | ||
120 | * unregistering, we wait for any calls to complete before | ||
121 | * continuing. | ||
122 | */ | ||
123 | int (*cnic_handler)(void *, void *); | ||
124 | int (*cnic_ctl)(void *, struct cnic_ctl_info *); | ||
125 | }; | ||
126 | |||
127 | #define MAX_CNIC_VEC 8 | ||
128 | |||
129 | struct cnic_irq { | ||
130 | unsigned int vector; | ||
131 | void *status_blk; | ||
132 | u32 status_blk_num; | ||
133 | u32 irq_flags; | ||
134 | #define CNIC_IRQ_FL_MSIX 0x00000001 | ||
135 | }; | ||
136 | |||
137 | struct cnic_eth_dev { | ||
138 | struct module *drv_owner; | ||
139 | u32 drv_state; | ||
140 | #define CNIC_DRV_STATE_REGD 0x00000001 | ||
141 | #define CNIC_DRV_STATE_USING_MSIX 0x00000002 | ||
142 | u32 chip_id; | ||
143 | u32 max_kwqe_pending; | ||
144 | struct pci_dev *pdev; | ||
145 | void __iomem *io_base; | ||
146 | |||
147 | u32 ctx_tbl_offset; | ||
148 | u32 ctx_tbl_len; | ||
149 | int ctx_blk_size; | ||
150 | u32 starting_cid; | ||
151 | u32 max_iscsi_conn; | ||
152 | u32 max_fcoe_conn; | ||
153 | u32 max_rdma_conn; | ||
154 | u32 reserved0[2]; | ||
155 | |||
156 | int num_irq; | ||
157 | struct cnic_irq irq_arr[MAX_CNIC_VEC]; | ||
158 | int (*drv_register_cnic)(struct net_device *, | ||
159 | struct cnic_ops *, void *); | ||
160 | int (*drv_unregister_cnic)(struct net_device *); | ||
161 | int (*drv_submit_kwqes_32)(struct net_device *, | ||
162 | struct kwqe *[], u32); | ||
163 | int (*drv_submit_kwqes_16)(struct net_device *, | ||
164 | struct kwqe_16 *[], u32); | ||
165 | int (*drv_ctl)(struct net_device *, struct drv_ctl_info *); | ||
166 | unsigned long reserved1[2]; | ||
167 | }; | ||
168 | |||
169 | struct cnic_sockaddr { | ||
170 | union { | ||
171 | struct sockaddr_in v4; | ||
172 | struct sockaddr_in6 v6; | ||
173 | } local; | ||
174 | union { | ||
175 | struct sockaddr_in v4; | ||
176 | struct sockaddr_in6 v6; | ||
177 | } remote; | ||
178 | }; | ||
179 | |||
180 | struct cnic_sock { | ||
181 | struct cnic_dev *dev; | ||
182 | void *context; | ||
183 | u32 src_ip[4]; | ||
184 | u32 dst_ip[4]; | ||
185 | u16 src_port; | ||
186 | u16 dst_port; | ||
187 | u16 vlan_id; | ||
188 | unsigned char old_ha[6]; | ||
189 | unsigned char ha[6]; | ||
190 | u32 mtu; | ||
191 | u32 cid; | ||
192 | u32 l5_cid; | ||
193 | u32 pg_cid; | ||
194 | int ulp_type; | ||
195 | |||
196 | u32 ka_timeout; | ||
197 | u32 ka_interval; | ||
198 | u8 ka_max_probe_count; | ||
199 | u8 tos; | ||
200 | u8 ttl; | ||
201 | u8 snd_seq_scale; | ||
202 | u32 rcv_buf; | ||
203 | u32 snd_buf; | ||
204 | u32 seed; | ||
205 | |||
206 | unsigned long tcp_flags; | ||
207 | #define SK_TCP_NO_DELAY_ACK 0x1 | ||
208 | #define SK_TCP_KEEP_ALIVE 0x2 | ||
209 | #define SK_TCP_NAGLE 0x4 | ||
210 | #define SK_TCP_TIMESTAMP 0x8 | ||
211 | #define SK_TCP_SACK 0x10 | ||
212 | #define SK_TCP_SEG_SCALING 0x20 | ||
213 | unsigned long flags; | ||
214 | #define SK_F_INUSE 0 | ||
215 | #define SK_F_OFFLD_COMPLETE 1 | ||
216 | #define SK_F_OFFLD_SCHED 2 | ||
217 | #define SK_F_PG_OFFLD_COMPLETE 3 | ||
218 | #define SK_F_CONNECT_START 4 | ||
219 | #define SK_F_IPV6 5 | ||
220 | #define SK_F_CLOSING 7 | ||
221 | |||
222 | atomic_t ref_count; | ||
223 | u32 state; | ||
224 | struct kwqe kwqe1; | ||
225 | struct kwqe kwqe2; | ||
226 | struct kwqe kwqe3; | ||
227 | }; | ||
228 | |||
229 | struct cnic_dev { | ||
230 | struct net_device *netdev; | ||
231 | struct pci_dev *pcidev; | ||
232 | void __iomem *regview; | ||
233 | struct list_head list; | ||
234 | |||
235 | int (*register_device)(struct cnic_dev *dev, int ulp_type, | ||
236 | void *ulp_ctx); | ||
237 | int (*unregister_device)(struct cnic_dev *dev, int ulp_type); | ||
238 | int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[], | ||
239 | u32 num_wqes); | ||
240 | int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[], | ||
241 | u32 num_wqes); | ||
242 | |||
243 | int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **, | ||
244 | void *); | ||
245 | int (*cm_destroy)(struct cnic_sock *); | ||
246 | int (*cm_connect)(struct cnic_sock *, struct cnic_sockaddr *); | ||
247 | int (*cm_abort)(struct cnic_sock *); | ||
248 | int (*cm_close)(struct cnic_sock *); | ||
249 | struct cnic_dev *(*cm_select_dev)(struct sockaddr_in *, int ulp_type); | ||
250 | int (*iscsi_nl_msg_recv)(struct cnic_dev *dev, u32 msg_type, | ||
251 | char *data, u16 data_size); | ||
252 | unsigned long flags; | ||
253 | #define CNIC_F_CNIC_UP 1 | ||
254 | #define CNIC_F_BNX2_CLASS 3 | ||
255 | #define CNIC_F_BNX2X_CLASS 4 | ||
256 | atomic_t ref_count; | ||
257 | u8 mac_addr[6]; | ||
258 | |||
259 | int max_iscsi_conn; | ||
260 | int max_fcoe_conn; | ||
261 | int max_rdma_conn; | ||
262 | |||
263 | void *cnic_priv; | ||
264 | }; | ||
265 | |||
266 | #define CNIC_WR(dev, off, val) writel(val, dev->regview + off) | ||
267 | #define CNIC_WR16(dev, off, val) writew(val, dev->regview + off) | ||
268 | #define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off) | ||
269 | #define CNIC_RD(dev, off) readl(dev->regview + off) | ||
270 | #define CNIC_RD16(dev, off) readw(dev->regview + off) | ||
271 | |||
272 | struct cnic_ulp_ops { | ||
273 | /* Calls to these functions are protected by RCU. When | ||
274 | * unregistering, we wait for any calls to complete before | ||
275 | * continuing. | ||
276 | */ | ||
277 | |||
278 | void (*cnic_init)(struct cnic_dev *dev); | ||
279 | void (*cnic_exit)(struct cnic_dev *dev); | ||
280 | void (*cnic_start)(void *ulp_ctx); | ||
281 | void (*cnic_stop)(void *ulp_ctx); | ||
282 | void (*indicate_kcqes)(void *ulp_ctx, struct kcqe *cqes[], | ||
283 | u32 num_cqes); | ||
284 | void (*indicate_netevent)(void *ulp_ctx, unsigned long event); | ||
285 | void (*cm_connect_complete)(struct cnic_sock *); | ||
286 | void (*cm_close_complete)(struct cnic_sock *); | ||
287 | void (*cm_abort_complete)(struct cnic_sock *); | ||
288 | void (*cm_remote_close)(struct cnic_sock *); | ||
289 | void (*cm_remote_abort)(struct cnic_sock *); | ||
290 | void (*iscsi_nl_send_msg)(struct cnic_dev *dev, u32 msg_type, | ||
291 | char *data, u16 data_size); | ||
292 | struct module *owner; | ||
293 | }; | ||
294 | |||
295 | extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops); | ||
296 | |||
297 | extern int cnic_unregister_driver(int ulp_type); | ||
298 | |||
299 | #endif | ||