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a4636960 MC |
1 | /* cnic_if.h: Broadcom CNIC core network driver. |
2 | * | |
42bb8d56 | 3 | * Copyright (c) 2006-2011 Broadcom Corporation |
a4636960 MC |
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 | ||
fab0dc89 DK |
15 | #define CNIC_MODULE_VERSION "2.2.14" |
16 | #define CNIC_MODULE_RELDATE "Mar 30, 2011" | |
a4636960 MC |
17 | |
18 | #define CNIC_ULP_RDMA 0 | |
19 | #define CNIC_ULP_ISCSI 1 | |
e1928c86 MC |
20 | #define CNIC_ULP_FCOE 2 |
21 | #define CNIC_ULP_L4 3 | |
22 | #define MAX_CNIC_ULP_TYPE_EXT 3 | |
23 | #define MAX_CNIC_ULP_TYPE 4 | |
a4636960 MC |
24 | |
25 | struct kwqe { | |
26 | u32 kwqe_op_flag; | |
27 | ||
e1928c86 | 28 | #define KWQE_QID_SHIFT 8 |
a4636960 MC |
29 | #define KWQE_OPCODE_MASK 0x00ff0000 |
30 | #define KWQE_OPCODE_SHIFT 16 | |
a4636960 | 31 | #define KWQE_OPCODE(x) ((x & KWQE_OPCODE_MASK) >> KWQE_OPCODE_SHIFT) |
e1928c86 MC |
32 | #define KWQE_LAYER_MASK 0x70000000 |
33 | #define KWQE_LAYER_SHIFT 28 | |
34 | #define KWQE_FLAGS_LAYER_MASK_L2 (2<<28) | |
35 | #define KWQE_FLAGS_LAYER_MASK_L3 (3<<28) | |
36 | #define KWQE_FLAGS_LAYER_MASK_L4 (4<<28) | |
37 | #define KWQE_FLAGS_LAYER_MASK_L5_RDMA (5<<28) | |
38 | #define KWQE_FLAGS_LAYER_MASK_L5_ISCSI (6<<28) | |
39 | #define KWQE_FLAGS_LAYER_MASK_L5_FCOE (7<<28) | |
a4636960 MC |
40 | |
41 | u32 kwqe_info0; | |
42 | u32 kwqe_info1; | |
43 | u32 kwqe_info2; | |
44 | u32 kwqe_info3; | |
45 | u32 kwqe_info4; | |
46 | u32 kwqe_info5; | |
47 | u32 kwqe_info6; | |
48 | }; | |
49 | ||
50 | struct kwqe_16 { | |
51 | u32 kwqe_info0; | |
52 | u32 kwqe_info1; | |
53 | u32 kwqe_info2; | |
54 | u32 kwqe_info3; | |
55 | }; | |
56 | ||
57 | struct kcqe { | |
58 | u32 kcqe_info0; | |
59 | u32 kcqe_info1; | |
60 | u32 kcqe_info2; | |
61 | u32 kcqe_info3; | |
62 | u32 kcqe_info4; | |
63 | u32 kcqe_info5; | |
64 | u32 kcqe_info6; | |
65 | u32 kcqe_op_flag; | |
66 | #define KCQE_RAMROD_COMPLETION (0x1<<27) /* Everest */ | |
67 | #define KCQE_FLAGS_LAYER_MASK (0x7<<28) | |
68 | #define KCQE_FLAGS_LAYER_MASK_MISC (0<<28) | |
69 | #define KCQE_FLAGS_LAYER_MASK_L2 (2<<28) | |
70 | #define KCQE_FLAGS_LAYER_MASK_L3 (3<<28) | |
71 | #define KCQE_FLAGS_LAYER_MASK_L4 (4<<28) | |
72 | #define KCQE_FLAGS_LAYER_MASK_L5_RDMA (5<<28) | |
73 | #define KCQE_FLAGS_LAYER_MASK_L5_ISCSI (6<<28) | |
e1928c86 | 74 | #define KCQE_FLAGS_LAYER_MASK_L5_FCOE (7<<28) |
a4636960 MC |
75 | #define KCQE_FLAGS_NEXT (1<<31) |
76 | #define KCQE_FLAGS_OPCODE_MASK (0xff<<16) | |
77 | #define KCQE_FLAGS_OPCODE_SHIFT (16) | |
78 | #define KCQE_OPCODE(op) \ | |
79 | (((op) & KCQE_FLAGS_OPCODE_MASK) >> KCQE_FLAGS_OPCODE_SHIFT) | |
80 | }; | |
81 | ||
82 | #define MAX_CNIC_CTL_DATA 64 | |
83 | #define MAX_DRV_CTL_DATA 64 | |
84 | ||
85 | #define CNIC_CTL_STOP_CMD 1 | |
86 | #define CNIC_CTL_START_CMD 2 | |
87 | #define CNIC_CTL_COMPLETION_CMD 3 | |
fab0dc89 | 88 | #define CNIC_CTL_STOP_ISCSI_CMD 4 |
a4636960 MC |
89 | |
90 | #define DRV_CTL_IO_WR_CMD 0x101 | |
91 | #define DRV_CTL_IO_RD_CMD 0x102 | |
92 | #define DRV_CTL_CTX_WR_CMD 0x103 | |
93 | #define DRV_CTL_CTXTBL_WR_CMD 0x104 | |
c2bff63f | 94 | #define DRV_CTL_RET_L5_SPQ_CREDIT_CMD 0x105 |
993ac7b5 MC |
95 | #define DRV_CTL_START_L2_CMD 0x106 |
96 | #define DRV_CTL_STOP_L2_CMD 0x107 | |
c2bff63f | 97 | #define DRV_CTL_RET_L2_SPQ_CREDIT_CMD 0x10c |
fab0dc89 | 98 | #define DRV_CTL_ISCSI_STOPPED_CMD 0x10d |
a4636960 MC |
99 | |
100 | struct cnic_ctl_completion { | |
101 | u32 cid; | |
102 | }; | |
103 | ||
a4636960 MC |
104 | struct cnic_ctl_info { |
105 | int cmd; | |
106 | union { | |
107 | struct cnic_ctl_completion comp; | |
108 | char bytes[MAX_CNIC_CTL_DATA]; | |
109 | } data; | |
110 | }; | |
111 | ||
c2bff63f DK |
112 | struct drv_ctl_spq_credit { |
113 | u32 credit_count; | |
114 | }; | |
115 | ||
a4636960 MC |
116 | struct drv_ctl_io { |
117 | u32 cid_addr; | |
118 | u32 offset; | |
119 | u32 data; | |
120 | dma_addr_t dma_addr; | |
121 | }; | |
122 | ||
993ac7b5 MC |
123 | struct drv_ctl_l2_ring { |
124 | u32 client_id; | |
125 | u32 cid; | |
126 | }; | |
127 | ||
a4636960 MC |
128 | struct drv_ctl_info { |
129 | int cmd; | |
130 | union { | |
c2bff63f | 131 | struct drv_ctl_spq_credit credit; |
a4636960 | 132 | struct drv_ctl_io io; |
993ac7b5 | 133 | struct drv_ctl_l2_ring ring; |
a4636960 MC |
134 | char bytes[MAX_DRV_CTL_DATA]; |
135 | } data; | |
136 | }; | |
137 | ||
138 | struct cnic_ops { | |
139 | struct module *cnic_owner; | |
140 | /* Calls to these functions are protected by RCU. When | |
141 | * unregistering, we wait for any calls to complete before | |
142 | * continuing. | |
143 | */ | |
144 | int (*cnic_handler)(void *, void *); | |
145 | int (*cnic_ctl)(void *, struct cnic_ctl_info *); | |
146 | }; | |
147 | ||
148 | #define MAX_CNIC_VEC 8 | |
149 | ||
150 | struct cnic_irq { | |
151 | unsigned int vector; | |
152 | void *status_blk; | |
153 | u32 status_blk_num; | |
523224a3 | 154 | u32 status_blk_num2; |
a4636960 MC |
155 | u32 irq_flags; |
156 | #define CNIC_IRQ_FL_MSIX 0x00000001 | |
157 | }; | |
158 | ||
159 | struct cnic_eth_dev { | |
160 | struct module *drv_owner; | |
161 | u32 drv_state; | |
162 | #define CNIC_DRV_STATE_REGD 0x00000001 | |
163 | #define CNIC_DRV_STATE_USING_MSIX 0x00000002 | |
2ba45142 VZ |
164 | #define CNIC_DRV_STATE_NO_ISCSI_OOO 0x00000004 |
165 | #define CNIC_DRV_STATE_NO_ISCSI 0x00000008 | |
166 | #define CNIC_DRV_STATE_NO_FCOE 0x00000010 | |
a4636960 MC |
167 | u32 chip_id; |
168 | u32 max_kwqe_pending; | |
169 | struct pci_dev *pdev; | |
170 | void __iomem *io_base; | |
993ac7b5 | 171 | void __iomem *io_base2; |
523224a3 | 172 | void *iro_arr; |
a4636960 MC |
173 | |
174 | u32 ctx_tbl_offset; | |
175 | u32 ctx_tbl_len; | |
176 | int ctx_blk_size; | |
177 | u32 starting_cid; | |
178 | u32 max_iscsi_conn; | |
179 | u32 max_fcoe_conn; | |
180 | u32 max_rdma_conn; | |
c2bff63f DK |
181 | u32 fcoe_init_cid; |
182 | u16 iscsi_l2_client_id; | |
183 | u16 iscsi_l2_cid; | |
2ba45142 | 184 | u8 iscsi_mac[ETH_ALEN]; |
a4636960 MC |
185 | |
186 | int num_irq; | |
187 | struct cnic_irq irq_arr[MAX_CNIC_VEC]; | |
188 | int (*drv_register_cnic)(struct net_device *, | |
189 | struct cnic_ops *, void *); | |
190 | int (*drv_unregister_cnic)(struct net_device *); | |
191 | int (*drv_submit_kwqes_32)(struct net_device *, | |
192 | struct kwqe *[], u32); | |
193 | int (*drv_submit_kwqes_16)(struct net_device *, | |
194 | struct kwqe_16 *[], u32); | |
195 | int (*drv_ctl)(struct net_device *, struct drv_ctl_info *); | |
196 | unsigned long reserved1[2]; | |
197 | }; | |
198 | ||
199 | struct cnic_sockaddr { | |
200 | union { | |
201 | struct sockaddr_in v4; | |
202 | struct sockaddr_in6 v6; | |
203 | } local; | |
204 | union { | |
205 | struct sockaddr_in v4; | |
206 | struct sockaddr_in6 v6; | |
207 | } remote; | |
208 | }; | |
209 | ||
210 | struct cnic_sock { | |
211 | struct cnic_dev *dev; | |
212 | void *context; | |
213 | u32 src_ip[4]; | |
214 | u32 dst_ip[4]; | |
215 | u16 src_port; | |
216 | u16 dst_port; | |
217 | u16 vlan_id; | |
218 | unsigned char old_ha[6]; | |
219 | unsigned char ha[6]; | |
220 | u32 mtu; | |
221 | u32 cid; | |
222 | u32 l5_cid; | |
223 | u32 pg_cid; | |
224 | int ulp_type; | |
225 | ||
226 | u32 ka_timeout; | |
227 | u32 ka_interval; | |
228 | u8 ka_max_probe_count; | |
229 | u8 tos; | |
230 | u8 ttl; | |
231 | u8 snd_seq_scale; | |
232 | u32 rcv_buf; | |
233 | u32 snd_buf; | |
234 | u32 seed; | |
235 | ||
236 | unsigned long tcp_flags; | |
237 | #define SK_TCP_NO_DELAY_ACK 0x1 | |
238 | #define SK_TCP_KEEP_ALIVE 0x2 | |
239 | #define SK_TCP_NAGLE 0x4 | |
240 | #define SK_TCP_TIMESTAMP 0x8 | |
241 | #define SK_TCP_SACK 0x10 | |
242 | #define SK_TCP_SEG_SCALING 0x20 | |
243 | unsigned long flags; | |
244 | #define SK_F_INUSE 0 | |
245 | #define SK_F_OFFLD_COMPLETE 1 | |
246 | #define SK_F_OFFLD_SCHED 2 | |
247 | #define SK_F_PG_OFFLD_COMPLETE 3 | |
248 | #define SK_F_CONNECT_START 4 | |
249 | #define SK_F_IPV6 5 | |
250 | #define SK_F_CLOSING 7 | |
251 | ||
252 | atomic_t ref_count; | |
253 | u32 state; | |
254 | struct kwqe kwqe1; | |
255 | struct kwqe kwqe2; | |
256 | struct kwqe kwqe3; | |
257 | }; | |
258 | ||
259 | struct cnic_dev { | |
260 | struct net_device *netdev; | |
261 | struct pci_dev *pcidev; | |
262 | void __iomem *regview; | |
263 | struct list_head list; | |
264 | ||
265 | int (*register_device)(struct cnic_dev *dev, int ulp_type, | |
266 | void *ulp_ctx); | |
267 | int (*unregister_device)(struct cnic_dev *dev, int ulp_type); | |
268 | int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[], | |
269 | u32 num_wqes); | |
270 | int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[], | |
271 | u32 num_wqes); | |
272 | ||
273 | int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **, | |
274 | void *); | |
275 | int (*cm_destroy)(struct cnic_sock *); | |
276 | int (*cm_connect)(struct cnic_sock *, struct cnic_sockaddr *); | |
277 | int (*cm_abort)(struct cnic_sock *); | |
278 | int (*cm_close)(struct cnic_sock *); | |
279 | struct cnic_dev *(*cm_select_dev)(struct sockaddr_in *, int ulp_type); | |
280 | int (*iscsi_nl_msg_recv)(struct cnic_dev *dev, u32 msg_type, | |
281 | char *data, u16 data_size); | |
282 | unsigned long flags; | |
283 | #define CNIC_F_CNIC_UP 1 | |
284 | #define CNIC_F_BNX2_CLASS 3 | |
285 | #define CNIC_F_BNX2X_CLASS 4 | |
286 | atomic_t ref_count; | |
287 | u8 mac_addr[6]; | |
288 | ||
289 | int max_iscsi_conn; | |
290 | int max_fcoe_conn; | |
291 | int max_rdma_conn; | |
292 | ||
293 | void *cnic_priv; | |
294 | }; | |
295 | ||
296 | #define CNIC_WR(dev, off, val) writel(val, dev->regview + off) | |
297 | #define CNIC_WR16(dev, off, val) writew(val, dev->regview + off) | |
298 | #define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off) | |
299 | #define CNIC_RD(dev, off) readl(dev->regview + off) | |
300 | #define CNIC_RD16(dev, off) readw(dev->regview + off) | |
301 | ||
302 | struct cnic_ulp_ops { | |
303 | /* Calls to these functions are protected by RCU. When | |
304 | * unregistering, we wait for any calls to complete before | |
305 | * continuing. | |
306 | */ | |
307 | ||
308 | void (*cnic_init)(struct cnic_dev *dev); | |
309 | void (*cnic_exit)(struct cnic_dev *dev); | |
310 | void (*cnic_start)(void *ulp_ctx); | |
311 | void (*cnic_stop)(void *ulp_ctx); | |
312 | void (*indicate_kcqes)(void *ulp_ctx, struct kcqe *cqes[], | |
313 | u32 num_cqes); | |
314 | void (*indicate_netevent)(void *ulp_ctx, unsigned long event); | |
315 | void (*cm_connect_complete)(struct cnic_sock *); | |
316 | void (*cm_close_complete)(struct cnic_sock *); | |
317 | void (*cm_abort_complete)(struct cnic_sock *); | |
318 | void (*cm_remote_close)(struct cnic_sock *); | |
319 | void (*cm_remote_abort)(struct cnic_sock *); | |
939b82e5 | 320 | int (*iscsi_nl_send_msg)(void *ulp_ctx, u32 msg_type, |
a4636960 MC |
321 | char *data, u16 data_size); |
322 | struct module *owner; | |
7fc1ece4 | 323 | atomic_t ref_count; |
a4636960 MC |
324 | }; |
325 | ||
326 | extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops); | |
327 | ||
328 | extern int cnic_unregister_driver(int ulp_type); | |
329 | ||
e2ee3616 | 330 | extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev); |
993ac7b5 | 331 | extern struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev); |
e2ee3616 | 332 | |
a4636960 | 333 | #endif |