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a4636960 MC |
1 | /* cnic_if.h: Broadcom CNIC core network driver. |
2 | * | |
1d9cfc4e | 3 | * Copyright (c) 2006-2010 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 | ||
ee87a82a MC |
15 | #define CNIC_MODULE_VERSION "2.2.6" |
16 | #define CNIC_MODULE_RELDATE "Oct 12, 2010" | |
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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 | |
c2bff63f | 83 | #define DRV_CTL_RET_L5_SPQ_CREDIT_CMD 0x105 |
993ac7b5 MC |
84 | #define DRV_CTL_START_L2_CMD 0x106 |
85 | #define DRV_CTL_STOP_L2_CMD 0x107 | |
c2bff63f | 86 | #define DRV_CTL_RET_L2_SPQ_CREDIT_CMD 0x10c |
a4636960 MC |
87 | |
88 | struct cnic_ctl_completion { | |
89 | u32 cid; | |
90 | }; | |
91 | ||
a4636960 MC |
92 | struct cnic_ctl_info { |
93 | int cmd; | |
94 | union { | |
95 | struct cnic_ctl_completion comp; | |
96 | char bytes[MAX_CNIC_CTL_DATA]; | |
97 | } data; | |
98 | }; | |
99 | ||
c2bff63f DK |
100 | struct drv_ctl_spq_credit { |
101 | u32 credit_count; | |
102 | }; | |
103 | ||
a4636960 MC |
104 | struct drv_ctl_io { |
105 | u32 cid_addr; | |
106 | u32 offset; | |
107 | u32 data; | |
108 | dma_addr_t dma_addr; | |
109 | }; | |
110 | ||
993ac7b5 MC |
111 | struct drv_ctl_l2_ring { |
112 | u32 client_id; | |
113 | u32 cid; | |
114 | }; | |
115 | ||
a4636960 MC |
116 | struct drv_ctl_info { |
117 | int cmd; | |
118 | union { | |
c2bff63f | 119 | struct drv_ctl_spq_credit credit; |
a4636960 | 120 | struct drv_ctl_io io; |
993ac7b5 | 121 | struct drv_ctl_l2_ring ring; |
a4636960 MC |
122 | char bytes[MAX_DRV_CTL_DATA]; |
123 | } data; | |
124 | }; | |
125 | ||
126 | struct cnic_ops { | |
127 | struct module *cnic_owner; | |
128 | /* Calls to these functions are protected by RCU. When | |
129 | * unregistering, we wait for any calls to complete before | |
130 | * continuing. | |
131 | */ | |
132 | int (*cnic_handler)(void *, void *); | |
133 | int (*cnic_ctl)(void *, struct cnic_ctl_info *); | |
134 | }; | |
135 | ||
136 | #define MAX_CNIC_VEC 8 | |
137 | ||
138 | struct cnic_irq { | |
139 | unsigned int vector; | |
140 | void *status_blk; | |
141 | u32 status_blk_num; | |
523224a3 | 142 | u32 status_blk_num2; |
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143 | u32 irq_flags; |
144 | #define CNIC_IRQ_FL_MSIX 0x00000001 | |
145 | }; | |
146 | ||
147 | struct cnic_eth_dev { | |
148 | struct module *drv_owner; | |
149 | u32 drv_state; | |
150 | #define CNIC_DRV_STATE_REGD 0x00000001 | |
151 | #define CNIC_DRV_STATE_USING_MSIX 0x00000002 | |
152 | u32 chip_id; | |
153 | u32 max_kwqe_pending; | |
154 | struct pci_dev *pdev; | |
155 | void __iomem *io_base; | |
993ac7b5 | 156 | void __iomem *io_base2; |
523224a3 | 157 | void *iro_arr; |
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158 | |
159 | u32 ctx_tbl_offset; | |
160 | u32 ctx_tbl_len; | |
161 | int ctx_blk_size; | |
162 | u32 starting_cid; | |
163 | u32 max_iscsi_conn; | |
164 | u32 max_fcoe_conn; | |
165 | u32 max_rdma_conn; | |
c2bff63f DK |
166 | u32 fcoe_init_cid; |
167 | u16 iscsi_l2_client_id; | |
168 | u16 iscsi_l2_cid; | |
a4636960 MC |
169 | |
170 | int num_irq; | |
171 | struct cnic_irq irq_arr[MAX_CNIC_VEC]; | |
172 | int (*drv_register_cnic)(struct net_device *, | |
173 | struct cnic_ops *, void *); | |
174 | int (*drv_unregister_cnic)(struct net_device *); | |
175 | int (*drv_submit_kwqes_32)(struct net_device *, | |
176 | struct kwqe *[], u32); | |
177 | int (*drv_submit_kwqes_16)(struct net_device *, | |
178 | struct kwqe_16 *[], u32); | |
179 | int (*drv_ctl)(struct net_device *, struct drv_ctl_info *); | |
180 | unsigned long reserved1[2]; | |
181 | }; | |
182 | ||
183 | struct cnic_sockaddr { | |
184 | union { | |
185 | struct sockaddr_in v4; | |
186 | struct sockaddr_in6 v6; | |
187 | } local; | |
188 | union { | |
189 | struct sockaddr_in v4; | |
190 | struct sockaddr_in6 v6; | |
191 | } remote; | |
192 | }; | |
193 | ||
194 | struct cnic_sock { | |
195 | struct cnic_dev *dev; | |
196 | void *context; | |
197 | u32 src_ip[4]; | |
198 | u32 dst_ip[4]; | |
199 | u16 src_port; | |
200 | u16 dst_port; | |
201 | u16 vlan_id; | |
202 | unsigned char old_ha[6]; | |
203 | unsigned char ha[6]; | |
204 | u32 mtu; | |
205 | u32 cid; | |
206 | u32 l5_cid; | |
207 | u32 pg_cid; | |
208 | int ulp_type; | |
209 | ||
210 | u32 ka_timeout; | |
211 | u32 ka_interval; | |
212 | u8 ka_max_probe_count; | |
213 | u8 tos; | |
214 | u8 ttl; | |
215 | u8 snd_seq_scale; | |
216 | u32 rcv_buf; | |
217 | u32 snd_buf; | |
218 | u32 seed; | |
219 | ||
220 | unsigned long tcp_flags; | |
221 | #define SK_TCP_NO_DELAY_ACK 0x1 | |
222 | #define SK_TCP_KEEP_ALIVE 0x2 | |
223 | #define SK_TCP_NAGLE 0x4 | |
224 | #define SK_TCP_TIMESTAMP 0x8 | |
225 | #define SK_TCP_SACK 0x10 | |
226 | #define SK_TCP_SEG_SCALING 0x20 | |
227 | unsigned long flags; | |
228 | #define SK_F_INUSE 0 | |
229 | #define SK_F_OFFLD_COMPLETE 1 | |
230 | #define SK_F_OFFLD_SCHED 2 | |
231 | #define SK_F_PG_OFFLD_COMPLETE 3 | |
232 | #define SK_F_CONNECT_START 4 | |
233 | #define SK_F_IPV6 5 | |
234 | #define SK_F_CLOSING 7 | |
235 | ||
236 | atomic_t ref_count; | |
237 | u32 state; | |
238 | struct kwqe kwqe1; | |
239 | struct kwqe kwqe2; | |
240 | struct kwqe kwqe3; | |
241 | }; | |
242 | ||
243 | struct cnic_dev { | |
244 | struct net_device *netdev; | |
245 | struct pci_dev *pcidev; | |
246 | void __iomem *regview; | |
247 | struct list_head list; | |
248 | ||
249 | int (*register_device)(struct cnic_dev *dev, int ulp_type, | |
250 | void *ulp_ctx); | |
251 | int (*unregister_device)(struct cnic_dev *dev, int ulp_type); | |
252 | int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[], | |
253 | u32 num_wqes); | |
254 | int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[], | |
255 | u32 num_wqes); | |
256 | ||
257 | int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **, | |
258 | void *); | |
259 | int (*cm_destroy)(struct cnic_sock *); | |
260 | int (*cm_connect)(struct cnic_sock *, struct cnic_sockaddr *); | |
261 | int (*cm_abort)(struct cnic_sock *); | |
262 | int (*cm_close)(struct cnic_sock *); | |
263 | struct cnic_dev *(*cm_select_dev)(struct sockaddr_in *, int ulp_type); | |
264 | int (*iscsi_nl_msg_recv)(struct cnic_dev *dev, u32 msg_type, | |
265 | char *data, u16 data_size); | |
266 | unsigned long flags; | |
267 | #define CNIC_F_CNIC_UP 1 | |
268 | #define CNIC_F_BNX2_CLASS 3 | |
269 | #define CNIC_F_BNX2X_CLASS 4 | |
270 | atomic_t ref_count; | |
271 | u8 mac_addr[6]; | |
272 | ||
273 | int max_iscsi_conn; | |
274 | int max_fcoe_conn; | |
275 | int max_rdma_conn; | |
276 | ||
277 | void *cnic_priv; | |
278 | }; | |
279 | ||
280 | #define CNIC_WR(dev, off, val) writel(val, dev->regview + off) | |
281 | #define CNIC_WR16(dev, off, val) writew(val, dev->regview + off) | |
282 | #define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off) | |
283 | #define CNIC_RD(dev, off) readl(dev->regview + off) | |
284 | #define CNIC_RD16(dev, off) readw(dev->regview + off) | |
285 | ||
286 | struct cnic_ulp_ops { | |
287 | /* Calls to these functions are protected by RCU. When | |
288 | * unregistering, we wait for any calls to complete before | |
289 | * continuing. | |
290 | */ | |
291 | ||
292 | void (*cnic_init)(struct cnic_dev *dev); | |
293 | void (*cnic_exit)(struct cnic_dev *dev); | |
294 | void (*cnic_start)(void *ulp_ctx); | |
295 | void (*cnic_stop)(void *ulp_ctx); | |
296 | void (*indicate_kcqes)(void *ulp_ctx, struct kcqe *cqes[], | |
297 | u32 num_cqes); | |
298 | void (*indicate_netevent)(void *ulp_ctx, unsigned long event); | |
299 | void (*cm_connect_complete)(struct cnic_sock *); | |
300 | void (*cm_close_complete)(struct cnic_sock *); | |
301 | void (*cm_abort_complete)(struct cnic_sock *); | |
302 | void (*cm_remote_close)(struct cnic_sock *); | |
303 | void (*cm_remote_abort)(struct cnic_sock *); | |
304 | void (*iscsi_nl_send_msg)(struct cnic_dev *dev, u32 msg_type, | |
305 | char *data, u16 data_size); | |
306 | struct module *owner; | |
7fc1ece4 | 307 | atomic_t ref_count; |
a4636960 MC |
308 | }; |
309 | ||
310 | extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops); | |
311 | ||
312 | extern int cnic_unregister_driver(int ulp_type); | |
313 | ||
e2ee3616 | 314 | extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev); |
993ac7b5 | 315 | extern struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev); |
e2ee3616 | 316 | |
a4636960 | 317 | #endif |