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12#ifndef CNIC_IF_H
13#define CNIC_IF_H
14
15#include "bnx2x/bnx2x_mfw_req.h"
16
17#define CNIC_MODULE_VERSION "2.5.18"
18#define CNIC_MODULE_RELDATE "Sept 01, 2013"
19
20#define CNIC_ULP_RDMA 0
21#define CNIC_ULP_ISCSI 1
22#define CNIC_ULP_FCOE 2
23#define CNIC_ULP_L4 3
24#define MAX_CNIC_ULP_TYPE_EXT 3
25#define MAX_CNIC_ULP_TYPE 4
26
27struct kwqe {
28 u32 kwqe_op_flag;
29
30#define KWQE_QID_SHIFT 8
31#define KWQE_OPCODE_MASK 0x00ff0000
32#define KWQE_OPCODE_SHIFT 16
33#define KWQE_OPCODE(x) ((x & KWQE_OPCODE_MASK) >> KWQE_OPCODE_SHIFT)
34#define KWQE_LAYER_MASK 0x70000000
35#define KWQE_LAYER_SHIFT 28
36#define KWQE_FLAGS_LAYER_MASK_L2 (2<<28)
37#define KWQE_FLAGS_LAYER_MASK_L3 (3<<28)
38#define KWQE_FLAGS_LAYER_MASK_L4 (4<<28)
39#define KWQE_FLAGS_LAYER_MASK_L5_RDMA (5<<28)
40#define KWQE_FLAGS_LAYER_MASK_L5_ISCSI (6<<28)
41#define KWQE_FLAGS_LAYER_MASK_L5_FCOE (7<<28)
42
43 u32 kwqe_info0;
44 u32 kwqe_info1;
45 u32 kwqe_info2;
46 u32 kwqe_info3;
47 u32 kwqe_info4;
48 u32 kwqe_info5;
49 u32 kwqe_info6;
50};
51
52struct kwqe_16 {
53 u32 kwqe_info0;
54 u32 kwqe_info1;
55 u32 kwqe_info2;
56 u32 kwqe_info3;
57};
58
59struct kcqe {
60 u32 kcqe_info0;
61 u32 kcqe_info1;
62 u32 kcqe_info2;
63 u32 kcqe_info3;
64 u32 kcqe_info4;
65 u32 kcqe_info5;
66 u32 kcqe_info6;
67 u32 kcqe_op_flag;
68 #define KCQE_RAMROD_COMPLETION (0x1<<27)
69 #define KCQE_FLAGS_LAYER_MASK (0x7<<28)
70 #define KCQE_FLAGS_LAYER_MASK_MISC (0<<28)
71 #define KCQE_FLAGS_LAYER_MASK_L2 (2<<28)
72 #define KCQE_FLAGS_LAYER_MASK_L3 (3<<28)
73 #define KCQE_FLAGS_LAYER_MASK_L4 (4<<28)
74 #define KCQE_FLAGS_LAYER_MASK_L5_RDMA (5<<28)
75 #define KCQE_FLAGS_LAYER_MASK_L5_ISCSI (6<<28)
76 #define KCQE_FLAGS_LAYER_MASK_L5_FCOE (7<<28)
77 #define KCQE_FLAGS_NEXT (1<<31)
78 #define KCQE_FLAGS_OPCODE_MASK (0xff<<16)
79 #define KCQE_FLAGS_OPCODE_SHIFT (16)
80 #define KCQE_OPCODE(op) \
81 (((op) & KCQE_FLAGS_OPCODE_MASK) >> KCQE_FLAGS_OPCODE_SHIFT)
82};
83
84#define MAX_CNIC_CTL_DATA 64
85#define MAX_DRV_CTL_DATA 64
86
87#define CNIC_CTL_STOP_CMD 1
88#define CNIC_CTL_START_CMD 2
89#define CNIC_CTL_COMPLETION_CMD 3
90#define CNIC_CTL_STOP_ISCSI_CMD 4
91#define CNIC_CTL_FCOE_STATS_GET_CMD 5
92#define CNIC_CTL_ISCSI_STATS_GET_CMD 6
93
94#define DRV_CTL_IO_WR_CMD 0x101
95#define DRV_CTL_IO_RD_CMD 0x102
96#define DRV_CTL_CTX_WR_CMD 0x103
97#define DRV_CTL_CTXTBL_WR_CMD 0x104
98#define DRV_CTL_RET_L5_SPQ_CREDIT_CMD 0x105
99#define DRV_CTL_START_L2_CMD 0x106
100#define DRV_CTL_STOP_L2_CMD 0x107
101#define DRV_CTL_RET_L2_SPQ_CREDIT_CMD 0x10c
102#define DRV_CTL_ISCSI_STOPPED_CMD 0x10d
103#define DRV_CTL_ULP_REGISTER_CMD 0x10e
104#define DRV_CTL_ULP_UNREGISTER_CMD 0x10f
105
106struct cnic_ctl_completion {
107 u32 cid;
108 u8 opcode;
109 u8 error;
110};
111
112struct cnic_ctl_info {
113 int cmd;
114 union {
115 struct cnic_ctl_completion comp;
116 char bytes[MAX_CNIC_CTL_DATA];
117 } data;
118};
119
120struct drv_ctl_spq_credit {
121 u32 credit_count;
122};
123
124struct drv_ctl_io {
125 u32 cid_addr;
126 u32 offset;
127 u32 data;
128 dma_addr_t dma_addr;
129};
130
131struct drv_ctl_l2_ring {
132 u32 client_id;
133 u32 cid;
134};
135
136struct drv_ctl_register_data {
137 int ulp_type;
138 struct fcoe_capabilities fcoe_features;
139};
140
141struct drv_ctl_info {
142 int cmd;
143 union {
144 struct drv_ctl_spq_credit credit;
145 struct drv_ctl_io io;
146 struct drv_ctl_l2_ring ring;
147 int ulp_type;
148 struct drv_ctl_register_data register_data;
149 char bytes[MAX_DRV_CTL_DATA];
150 } data;
151};
152
153struct cnic_ops {
154 struct module *cnic_owner;
155
156
157
158
159 int (*cnic_handler)(void *, void *);
160 int (*cnic_ctl)(void *, struct cnic_ctl_info *);
161};
162
163#define MAX_CNIC_VEC 8
164
165struct cnic_irq {
166 unsigned int vector;
167 void *status_blk;
168 u32 status_blk_num;
169 u32 status_blk_num2;
170 u32 irq_flags;
171#define CNIC_IRQ_FL_MSIX 0x00000001
172};
173
174struct cnic_eth_dev {
175 struct module *drv_owner;
176 u32 drv_state;
177#define CNIC_DRV_STATE_REGD 0x00000001
178#define CNIC_DRV_STATE_USING_MSIX 0x00000002
179#define CNIC_DRV_STATE_NO_ISCSI_OOO 0x00000004
180#define CNIC_DRV_STATE_NO_ISCSI 0x00000008
181#define CNIC_DRV_STATE_NO_FCOE 0x00000010
182#define CNIC_DRV_STATE_HANDLES_IRQ 0x00000020
183 u32 chip_id;
184 u32 max_kwqe_pending;
185 struct pci_dev *pdev;
186 void __iomem *io_base;
187 void __iomem *io_base2;
188 const void *iro_arr;
189
190 u32 ctx_tbl_offset;
191 u32 ctx_tbl_len;
192 int ctx_blk_size;
193 u32 starting_cid;
194 u32 max_iscsi_conn;
195 u32 max_fcoe_conn;
196 u32 max_rdma_conn;
197 u32 fcoe_init_cid;
198 u32 max_fcoe_exchanges;
199 u32 fcoe_wwn_port_name_hi;
200 u32 fcoe_wwn_port_name_lo;
201 u32 fcoe_wwn_node_name_hi;
202 u32 fcoe_wwn_node_name_lo;
203
204 u16 iscsi_l2_client_id;
205 u16 iscsi_l2_cid;
206 u8 iscsi_mac[ETH_ALEN];
207
208 int num_irq;
209 struct cnic_irq irq_arr[MAX_CNIC_VEC];
210 int (*drv_register_cnic)(struct net_device *,
211 struct cnic_ops *, void *);
212 int (*drv_unregister_cnic)(struct net_device *);
213 int (*drv_submit_kwqes_32)(struct net_device *,
214 struct kwqe *[], u32);
215 int (*drv_submit_kwqes_16)(struct net_device *,
216 struct kwqe_16 *[], u32);
217 int (*drv_ctl)(struct net_device *, struct drv_ctl_info *);
218 unsigned long reserved1[2];
219 union drv_info_to_mcp *addr_drv_info_to_mcp;
220};
221
222struct cnic_sockaddr {
223 union {
224 struct sockaddr_in v4;
225 struct sockaddr_in6 v6;
226 } local;
227 union {
228 struct sockaddr_in v4;
229 struct sockaddr_in6 v6;
230 } remote;
231};
232
233struct cnic_sock {
234 struct cnic_dev *dev;
235 void *context;
236 u32 src_ip[4];
237 u32 dst_ip[4];
238 u16 src_port;
239 u16 dst_port;
240 u16 vlan_id;
241 unsigned char old_ha[ETH_ALEN];
242 unsigned char ha[ETH_ALEN];
243 u32 mtu;
244 u32 cid;
245 u32 l5_cid;
246 u32 pg_cid;
247 int ulp_type;
248
249 u32 ka_timeout;
250 u32 ka_interval;
251 u8 ka_max_probe_count;
252 u8 tos;
253 u8 ttl;
254 u8 snd_seq_scale;
255 u32 rcv_buf;
256 u32 snd_buf;
257 u32 seed;
258
259 unsigned long tcp_flags;
260#define SK_TCP_NO_DELAY_ACK 0x1
261#define SK_TCP_KEEP_ALIVE 0x2
262#define SK_TCP_NAGLE 0x4
263#define SK_TCP_TIMESTAMP 0x8
264#define SK_TCP_SACK 0x10
265#define SK_TCP_SEG_SCALING 0x20
266 unsigned long flags;
267#define SK_F_INUSE 0
268#define SK_F_OFFLD_COMPLETE 1
269#define SK_F_OFFLD_SCHED 2
270#define SK_F_PG_OFFLD_COMPLETE 3
271#define SK_F_CONNECT_START 4
272#define SK_F_IPV6 5
273#define SK_F_CLOSING 7
274#define SK_F_HW_ERR 8
275
276 atomic_t ref_count;
277 u32 state;
278 struct kwqe kwqe1;
279 struct kwqe kwqe2;
280 struct kwqe kwqe3;
281};
282
283struct cnic_dev {
284 struct net_device *netdev;
285 struct pci_dev *pcidev;
286 void __iomem *regview;
287 struct list_head list;
288
289 int (*register_device)(struct cnic_dev *dev, int ulp_type,
290 void *ulp_ctx);
291 int (*unregister_device)(struct cnic_dev *dev, int ulp_type);
292 int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[],
293 u32 num_wqes);
294 int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[],
295 u32 num_wqes);
296
297 int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **,
298 void *);
299 int (*cm_destroy)(struct cnic_sock *);
300 int (*cm_connect)(struct cnic_sock *, struct cnic_sockaddr *);
301 int (*cm_abort)(struct cnic_sock *);
302 int (*cm_close)(struct cnic_sock *);
303 struct cnic_dev *(*cm_select_dev)(struct sockaddr_in *, int ulp_type);
304 int (*iscsi_nl_msg_recv)(struct cnic_dev *dev, u32 msg_type,
305 char *data, u16 data_size);
306 unsigned long flags;
307#define CNIC_F_CNIC_UP 1
308#define CNIC_F_BNX2_CLASS 3
309#define CNIC_F_BNX2X_CLASS 4
310 atomic_t ref_count;
311 u8 mac_addr[ETH_ALEN];
312
313 int max_iscsi_conn;
314 int max_fcoe_conn;
315 int max_rdma_conn;
316
317 int max_fcoe_exchanges;
318
319 union drv_info_to_mcp *stats_addr;
320 struct fcoe_capabilities *fcoe_cap;
321
322 void *cnic_priv;
323};
324
325#define CNIC_WR(dev, off, val) writel(val, dev->regview + off)
326#define CNIC_WR16(dev, off, val) writew(val, dev->regview + off)
327#define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off)
328#define CNIC_RD(dev, off) readl(dev->regview + off)
329#define CNIC_RD16(dev, off) readw(dev->regview + off)
330
331struct cnic_ulp_ops {
332
333
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336
337 void (*cnic_init)(struct cnic_dev *dev);
338 void (*cnic_exit)(struct cnic_dev *dev);
339 void (*cnic_start)(void *ulp_ctx);
340 void (*cnic_stop)(void *ulp_ctx);
341 void (*indicate_kcqes)(void *ulp_ctx, struct kcqe *cqes[],
342 u32 num_cqes);
343 void (*indicate_netevent)(void *ulp_ctx, unsigned long event, u16 vid);
344 void (*cm_connect_complete)(struct cnic_sock *);
345 void (*cm_close_complete)(struct cnic_sock *);
346 void (*cm_abort_complete)(struct cnic_sock *);
347 void (*cm_remote_close)(struct cnic_sock *);
348 void (*cm_remote_abort)(struct cnic_sock *);
349 int (*iscsi_nl_send_msg)(void *ulp_ctx, u32 msg_type,
350 char *data, u16 data_size);
351 int (*cnic_get_stats)(void *ulp_ctx);
352 struct module *owner;
353 atomic_t ref_count;
354};
355
356extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
357
358extern int cnic_unregister_driver(int ulp_type);
359
360#endif
361
