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Merge tag 'v3.3.7' into 3.3/master
[zen-stable.git] / drivers / net / ethernet / broadcom / cnic_if.h
blob1517763d4e555507146de73464ce3abe347863b6
1 /* cnic_if.h: Broadcom CNIC core network driver.
2 *
3 * Copyright (c) 2006-2012 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 "2.5.8"
16 #define CNIC_MODULE_RELDATE "Jan 3, 2012"
17
18 #define CNIC_ULP_RDMA 0
19 #define CNIC_ULP_ISCSI 1
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
24
25 struct kwqe {
26 u32 kwqe_op_flag;
27
28 #define KWQE_QID_SHIFT 8
29 #define KWQE_OPCODE_MASK 0x00ff0000
30 #define KWQE_OPCODE_SHIFT 16
31 #define KWQE_OPCODE(x) ((x & KWQE_OPCODE_MASK) >> KWQE_OPCODE_SHIFT)
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)
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)
74 #define KCQE_FLAGS_LAYER_MASK_L5_FCOE (7<<28)
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
88 #define CNIC_CTL_STOP_ISCSI_CMD 4
89 #define CNIC_CTL_FCOE_STATS_GET_CMD 5
90 #define CNIC_CTL_ISCSI_STATS_GET_CMD 6
91
92 #define DRV_CTL_IO_WR_CMD 0x101
93 #define DRV_CTL_IO_RD_CMD 0x102
94 #define DRV_CTL_CTX_WR_CMD 0x103
95 #define DRV_CTL_CTXTBL_WR_CMD 0x104
96 #define DRV_CTL_RET_L5_SPQ_CREDIT_CMD 0x105
97 #define DRV_CTL_START_L2_CMD 0x106
98 #define DRV_CTL_STOP_L2_CMD 0x107
99 #define DRV_CTL_RET_L2_SPQ_CREDIT_CMD 0x10c
100 #define DRV_CTL_ISCSI_STOPPED_CMD 0x10d
101 #define DRV_CTL_ULP_REGISTER_CMD 0x10e
102 #define DRV_CTL_ULP_UNREGISTER_CMD 0x10f
103
104 struct cnic_ctl_completion {
105 u32 cid;
106 u8 opcode;
107 u8 error;
108 };
109
110 struct cnic_ctl_info {
111 int cmd;
112 union {
113 struct cnic_ctl_completion comp;
114 char bytes[MAX_CNIC_CTL_DATA];
115 } data;
116 };
117
118 struct drv_ctl_spq_credit {
119 u32 credit_count;
120 };
121
122 struct drv_ctl_io {
123 u32 cid_addr;
124 u32 offset;
125 u32 data;
126 dma_addr_t dma_addr;
127 };
128
129 struct drv_ctl_l2_ring {
130 u32 client_id;
131 u32 cid;
132 };
133
134 struct drv_ctl_info {
135 int cmd;
136 union {
137 struct drv_ctl_spq_credit credit;
138 struct drv_ctl_io io;
139 struct drv_ctl_l2_ring ring;
140 int ulp_type;
141 char bytes[MAX_DRV_CTL_DATA];
142 } data;
143 };
144
145 struct cnic_ops {
146 struct module *cnic_owner;
147 /* Calls to these functions are protected by RCU. When
148 * unregistering, we wait for any calls to complete before
149 * continuing.
150 */
151 int (*cnic_handler)(void *, void *);
152 int (*cnic_ctl)(void *, struct cnic_ctl_info *);
153 };
154
155 #define MAX_CNIC_VEC 8
156
157 struct cnic_irq {
158 unsigned int vector;
159 void *status_blk;
160 u32 status_blk_num;
161 u32 status_blk_num2;
162 u32 irq_flags;
163 #define CNIC_IRQ_FL_MSIX 0x00000001
164 };
165
166 struct cnic_eth_dev {
167 struct module *drv_owner;
168 u32 drv_state;
169 #define CNIC_DRV_STATE_REGD 0x00000001
170 #define CNIC_DRV_STATE_USING_MSIX 0x00000002
171 #define CNIC_DRV_STATE_NO_ISCSI_OOO 0x00000004
172 #define CNIC_DRV_STATE_NO_ISCSI 0x00000008
173 #define CNIC_DRV_STATE_NO_FCOE 0x00000010
174 u32 chip_id;
175 u32 max_kwqe_pending;
176 struct pci_dev *pdev;
177 void __iomem *io_base;
178 void __iomem *io_base2;
179 const void *iro_arr;
180
181 u32 ctx_tbl_offset;
182 u32 ctx_tbl_len;
183 int ctx_blk_size;
184 u32 starting_cid;
185 u32 max_iscsi_conn;
186 u32 max_fcoe_conn;
187 u32 max_rdma_conn;
188 u32 fcoe_init_cid;
189 u32 fcoe_wwn_port_name_hi;
190 u32 fcoe_wwn_port_name_lo;
191 u32 fcoe_wwn_node_name_hi;
192 u32 fcoe_wwn_node_name_lo;
193
194 u16 iscsi_l2_client_id;
195 u16 iscsi_l2_cid;
196 u8 iscsi_mac[ETH_ALEN];
197
198 int num_irq;
199 struct cnic_irq irq_arr[MAX_CNIC_VEC];
200 int (*drv_register_cnic)(struct net_device *,
201 struct cnic_ops *, void *);
202 int (*drv_unregister_cnic)(struct net_device *);
203 int (*drv_submit_kwqes_32)(struct net_device *,
204 struct kwqe *[], u32);
205 int (*drv_submit_kwqes_16)(struct net_device *,
206 struct kwqe_16 *[], u32);
207 int (*drv_ctl)(struct net_device *, struct drv_ctl_info *);
208 unsigned long reserved1[2];
209 union drv_info_to_mcp *addr_drv_info_to_mcp;
210 };
211
212 struct cnic_sockaddr {
213 union {
214 struct sockaddr_in v4;
215 struct sockaddr_in6 v6;
216 } local;
217 union {
218 struct sockaddr_in v4;
219 struct sockaddr_in6 v6;
220 } remote;
221 };
222
223 struct cnic_sock {
224 struct cnic_dev *dev;
225 void *context;
226 u32 src_ip[4];
227 u32 dst_ip[4];
228 u16 src_port;
229 u16 dst_port;
230 u16 vlan_id;
231 unsigned char old_ha[6];
232 unsigned char ha[6];
233 u32 mtu;
234 u32 cid;
235 u32 l5_cid;
236 u32 pg_cid;
237 int ulp_type;
238
239 u32 ka_timeout;
240 u32 ka_interval;
241 u8 ka_max_probe_count;
242 u8 tos;
243 u8 ttl;
244 u8 snd_seq_scale;
245 u32 rcv_buf;
246 u32 snd_buf;
247 u32 seed;
248
249 unsigned long tcp_flags;
250 #define SK_TCP_NO_DELAY_ACK 0x1
251 #define SK_TCP_KEEP_ALIVE 0x2
252 #define SK_TCP_NAGLE 0x4
253 #define SK_TCP_TIMESTAMP 0x8
254 #define SK_TCP_SACK 0x10
255 #define SK_TCP_SEG_SCALING 0x20
256 unsigned long flags;
257 #define SK_F_INUSE 0
258 #define SK_F_OFFLD_COMPLETE 1
259 #define SK_F_OFFLD_SCHED 2
260 #define SK_F_PG_OFFLD_COMPLETE 3
261 #define SK_F_CONNECT_START 4
262 #define SK_F_IPV6 5
263 #define SK_F_CLOSING 7
264 #define SK_F_HW_ERR 8
265
266 atomic_t ref_count;
267 u32 state;
268 struct kwqe kwqe1;
269 struct kwqe kwqe2;
270 struct kwqe kwqe3;
271 };
272
273 struct cnic_dev {
274 struct net_device *netdev;
275 struct pci_dev *pcidev;
276 void __iomem *regview;
277 struct list_head list;
278
279 int (*register_device)(struct cnic_dev *dev, int ulp_type,
280 void *ulp_ctx);
281 int (*unregister_device)(struct cnic_dev *dev, int ulp_type);
282 int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[],
283 u32 num_wqes);
284 int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[],
285 u32 num_wqes);
286
287 int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **,
288 void *);
289 int (*cm_destroy)(struct cnic_sock *);
290 int (*cm_connect)(struct cnic_sock *, struct cnic_sockaddr *);
291 int (*cm_abort)(struct cnic_sock *);
292 int (*cm_close)(struct cnic_sock *);
293 struct cnic_dev *(*cm_select_dev)(struct sockaddr_in *, int ulp_type);
294 int (*iscsi_nl_msg_recv)(struct cnic_dev *dev, u32 msg_type,
295 char *data, u16 data_size);
296 unsigned long flags;
297 #define CNIC_F_CNIC_UP 1
298 #define CNIC_F_BNX2_CLASS 3
299 #define CNIC_F_BNX2X_CLASS 4
300 atomic_t ref_count;
301 u8 mac_addr[6];
302
303 int max_iscsi_conn;
304 int max_fcoe_conn;
305 int max_rdma_conn;
306
307 union drv_info_to_mcp *stats_addr;
308
309 void *cnic_priv;
310 };
311
312 #define CNIC_WR(dev, off, val) writel(val, dev->regview + off)
313 #define CNIC_WR16(dev, off, val) writew(val, dev->regview + off)
314 #define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off)
315 #define CNIC_RD(dev, off) readl(dev->regview + off)
316 #define CNIC_RD16(dev, off) readw(dev->regview + off)
317
318 struct cnic_ulp_ops {
319 /* Calls to these functions are protected by RCU. When
320 * unregistering, we wait for any calls to complete before
321 * continuing.
322 */
323
324 void (*cnic_init)(struct cnic_dev *dev);
325 void (*cnic_exit)(struct cnic_dev *dev);
326 void (*cnic_start)(void *ulp_ctx);
327 void (*cnic_stop)(void *ulp_ctx);
328 void (*indicate_kcqes)(void *ulp_ctx, struct kcqe *cqes[],
329 u32 num_cqes);
330 void (*indicate_netevent)(void *ulp_ctx, unsigned long event, u16 vid);
331 void (*cm_connect_complete)(struct cnic_sock *);
332 void (*cm_close_complete)(struct cnic_sock *);
333 void (*cm_abort_complete)(struct cnic_sock *);
334 void (*cm_remote_close)(struct cnic_sock *);
335 void (*cm_remote_abort)(struct cnic_sock *);
336 int (*iscsi_nl_send_msg)(void *ulp_ctx, u32 msg_type,
337 char *data, u16 data_size);
338 int (*cnic_get_stats)(void *ulp_ctx);
339 struct module *owner;
340 atomic_t ref_count;
341 };
342
343 extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
344
345 extern int cnic_unregister_driver(int ulp_type);
346
347 extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev);
348 extern struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);
349
350 #endif