1 /* cnic_if.h: Broadcom CNIC core network driver.
3 * Copyright (c) 2006-2012 Broadcom Corporation
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.
15 #include "bnx2x/bnx2x_mfw_req.h"
17 #define CNIC_MODULE_VERSION "2.5.13"
18 #define CNIC_MODULE_RELDATE "Sep 07, 2012"
20 #define CNIC_ULP_RDMA 0
21 #define CNIC_ULP_ISCSI 1
22 #define CNIC_ULP_FCOE 2
24 #define MAX_CNIC_ULP_TYPE_EXT 3
25 #define MAX_CNIC_ULP_TYPE 4
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)
68 #define KCQE_RAMROD_COMPLETION (0x1<<27) /* Everest */
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)
84 #define MAX_CNIC_CTL_DATA 64
85 #define MAX_DRV_CTL_DATA 64
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
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
106 struct cnic_ctl_completion
{
112 struct cnic_ctl_info
{
115 struct cnic_ctl_completion comp
;
116 char bytes
[MAX_CNIC_CTL_DATA
];
120 struct drv_ctl_spq_credit
{
131 struct drv_ctl_l2_ring
{
136 struct drv_ctl_register_data
{
138 struct fcoe_capabilities fcoe_features
;
141 struct drv_ctl_info
{
144 struct drv_ctl_spq_credit credit
;
145 struct drv_ctl_io io
;
146 struct drv_ctl_l2_ring ring
;
148 struct drv_ctl_register_data register_data
;
149 char bytes
[MAX_DRV_CTL_DATA
];
154 struct module
*cnic_owner
;
155 /* Calls to these functions are protected by RCU. When
156 * unregistering, we wait for any calls to complete before
159 int (*cnic_handler
)(void *, void *);
160 int (*cnic_ctl
)(void *, struct cnic_ctl_info
*);
163 #define MAX_CNIC_VEC 8
171 #define CNIC_IRQ_FL_MSIX 0x00000001
174 struct cnic_eth_dev
{
175 struct module
*drv_owner
;
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
183 u32 max_kwqe_pending
;
184 struct pci_dev
*pdev
;
185 void __iomem
*io_base
;
186 void __iomem
*io_base2
;
197 u32 fcoe_wwn_port_name_hi
;
198 u32 fcoe_wwn_port_name_lo
;
199 u32 fcoe_wwn_node_name_hi
;
200 u32 fcoe_wwn_node_name_lo
;
202 u16 iscsi_l2_client_id
;
204 u8 iscsi_mac
[ETH_ALEN
];
207 struct cnic_irq irq_arr
[MAX_CNIC_VEC
];
208 int (*drv_register_cnic
)(struct net_device
*,
209 struct cnic_ops
*, void *);
210 int (*drv_unregister_cnic
)(struct net_device
*);
211 int (*drv_submit_kwqes_32
)(struct net_device
*,
212 struct kwqe
*[], u32
);
213 int (*drv_submit_kwqes_16
)(struct net_device
*,
214 struct kwqe_16
*[], u32
);
215 int (*drv_ctl
)(struct net_device
*, struct drv_ctl_info
*);
216 unsigned long reserved1
[2];
217 union drv_info_to_mcp
*addr_drv_info_to_mcp
;
220 struct cnic_sockaddr
{
222 struct sockaddr_in v4
;
223 struct sockaddr_in6 v6
;
226 struct sockaddr_in v4
;
227 struct sockaddr_in6 v6
;
232 struct cnic_dev
*dev
;
239 unsigned char old_ha
[6];
249 u8 ka_max_probe_count
;
257 unsigned long tcp_flags
;
258 #define SK_TCP_NO_DELAY_ACK 0x1
259 #define SK_TCP_KEEP_ALIVE 0x2
260 #define SK_TCP_NAGLE 0x4
261 #define SK_TCP_TIMESTAMP 0x8
262 #define SK_TCP_SACK 0x10
263 #define SK_TCP_SEG_SCALING 0x20
266 #define SK_F_OFFLD_COMPLETE 1
267 #define SK_F_OFFLD_SCHED 2
268 #define SK_F_PG_OFFLD_COMPLETE 3
269 #define SK_F_CONNECT_START 4
271 #define SK_F_CLOSING 7
272 #define SK_F_HW_ERR 8
282 struct net_device
*netdev
;
283 struct pci_dev
*pcidev
;
284 void __iomem
*regview
;
285 struct list_head list
;
287 int (*register_device
)(struct cnic_dev
*dev
, int ulp_type
,
289 int (*unregister_device
)(struct cnic_dev
*dev
, int ulp_type
);
290 int (*submit_kwqes
)(struct cnic_dev
*dev
, struct kwqe
*wqes
[],
292 int (*submit_kwqes_16
)(struct cnic_dev
*dev
, struct kwqe_16
*wqes
[],
295 int (*cm_create
)(struct cnic_dev
*, int, u32
, u32
, struct cnic_sock
**,
297 int (*cm_destroy
)(struct cnic_sock
*);
298 int (*cm_connect
)(struct cnic_sock
*, struct cnic_sockaddr
*);
299 int (*cm_abort
)(struct cnic_sock
*);
300 int (*cm_close
)(struct cnic_sock
*);
301 struct cnic_dev
*(*cm_select_dev
)(struct sockaddr_in
*, int ulp_type
);
302 int (*iscsi_nl_msg_recv
)(struct cnic_dev
*dev
, u32 msg_type
,
303 char *data
, u16 data_size
);
305 #define CNIC_F_CNIC_UP 1
306 #define CNIC_F_BNX2_CLASS 3
307 #define CNIC_F_BNX2X_CLASS 4
315 union drv_info_to_mcp
*stats_addr
;
316 struct fcoe_capabilities
*fcoe_cap
;
321 #define CNIC_WR(dev, off, val) writel(val, dev->regview + off)
322 #define CNIC_WR16(dev, off, val) writew(val, dev->regview + off)
323 #define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off)
324 #define CNIC_RD(dev, off) readl(dev->regview + off)
325 #define CNIC_RD16(dev, off) readw(dev->regview + off)
327 struct cnic_ulp_ops
{
328 /* Calls to these functions are protected by RCU. When
329 * unregistering, we wait for any calls to complete before
333 void (*cnic_init
)(struct cnic_dev
*dev
);
334 void (*cnic_exit
)(struct cnic_dev
*dev
);
335 void (*cnic_start
)(void *ulp_ctx
);
336 void (*cnic_stop
)(void *ulp_ctx
);
337 void (*indicate_kcqes
)(void *ulp_ctx
, struct kcqe
*cqes
[],
339 void (*indicate_netevent
)(void *ulp_ctx
, unsigned long event
, u16 vid
);
340 void (*cm_connect_complete
)(struct cnic_sock
*);
341 void (*cm_close_complete
)(struct cnic_sock
*);
342 void (*cm_abort_complete
)(struct cnic_sock
*);
343 void (*cm_remote_close
)(struct cnic_sock
*);
344 void (*cm_remote_abort
)(struct cnic_sock
*);
345 int (*iscsi_nl_send_msg
)(void *ulp_ctx
, u32 msg_type
,
346 char *data
, u16 data_size
);
347 int (*cnic_get_stats
)(void *ulp_ctx
);
348 struct module
*owner
;
352 extern int cnic_register_driver(int ulp_type
, struct cnic_ulp_ops
*ulp_ops
);
354 extern int cnic_unregister_driver(int ulp_type
);
356 extern struct cnic_eth_dev
*bnx2_cnic_probe(struct net_device
*dev
);
357 extern struct cnic_eth_dev
*bnx2x_cnic_probe(struct net_device
*dev
);