1 /* cnic_if.h: Broadcom CNIC core network driver.
3 * Copyright (c) 2006-2011 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 #define CNIC_MODULE_VERSION "2.5.6"
16 #define CNIC_MODULE_RELDATE "July 12, 2011"
18 #define CNIC_ULP_RDMA 0
19 #define CNIC_ULP_ISCSI 1
20 #define CNIC_ULP_FCOE 2
22 #define MAX_CNIC_ULP_TYPE_EXT 3
23 #define MAX_CNIC_ULP_TYPE 4
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)
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)
82 #define MAX_CNIC_CTL_DATA 64
83 #define MAX_DRV_CTL_DATA 64
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
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
94 #define DRV_CTL_RET_L5_SPQ_CREDIT_CMD 0x105
95 #define DRV_CTL_START_L2_CMD 0x106
96 #define DRV_CTL_STOP_L2_CMD 0x107
97 #define DRV_CTL_RET_L2_SPQ_CREDIT_CMD 0x10c
98 #define DRV_CTL_ISCSI_STOPPED_CMD 0x10d
100 struct cnic_ctl_completion {
106 struct cnic_ctl_info {
109 struct cnic_ctl_completion comp;
110 char bytes[MAX_CNIC_CTL_DATA];
114 struct drv_ctl_spq_credit {
125 struct drv_ctl_l2_ring {
130 struct drv_ctl_info {
133 struct drv_ctl_spq_credit credit;
134 struct drv_ctl_io io;
135 struct drv_ctl_l2_ring ring;
136 char bytes[MAX_DRV_CTL_DATA];
141 struct module *cnic_owner;
142 /* Calls to these functions are protected by RCU. When
143 * unregistering, we wait for any calls to complete before
146 int (*cnic_handler)(void *, void *);
147 int (*cnic_ctl)(void *, struct cnic_ctl_info *);
150 #define MAX_CNIC_VEC 8
158 #define CNIC_IRQ_FL_MSIX 0x00000001
161 struct cnic_eth_dev {
162 struct module *drv_owner;
164 #define CNIC_DRV_STATE_REGD 0x00000001
165 #define CNIC_DRV_STATE_USING_MSIX 0x00000002
166 #define CNIC_DRV_STATE_NO_ISCSI_OOO 0x00000004
167 #define CNIC_DRV_STATE_NO_ISCSI 0x00000008
168 #define CNIC_DRV_STATE_NO_FCOE 0x00000010
170 u32 max_kwqe_pending;
171 struct pci_dev *pdev;
172 void __iomem *io_base;
173 void __iomem *io_base2;
184 u32 fcoe_wwn_port_name_hi;
185 u32 fcoe_wwn_port_name_lo;
186 u32 fcoe_wwn_node_name_hi;
187 u32 fcoe_wwn_node_name_lo;
189 u16 iscsi_l2_client_id;
191 u8 iscsi_mac[ETH_ALEN];
194 struct cnic_irq irq_arr[MAX_CNIC_VEC];
195 int (*drv_register_cnic)(struct net_device *,
196 struct cnic_ops *, void *);
197 int (*drv_unregister_cnic)(struct net_device *);
198 int (*drv_submit_kwqes_32)(struct net_device *,
199 struct kwqe *[], u32);
200 int (*drv_submit_kwqes_16)(struct net_device *,
201 struct kwqe_16 *[], u32);
202 int (*drv_ctl)(struct net_device *, struct drv_ctl_info *);
203 unsigned long reserved1[2];
206 struct cnic_sockaddr {
208 struct sockaddr_in v4;
209 struct sockaddr_in6 v6;
212 struct sockaddr_in v4;
213 struct sockaddr_in6 v6;
218 struct cnic_dev *dev;
225 unsigned char old_ha[6];
235 u8 ka_max_probe_count;
243 unsigned long tcp_flags;
244 #define SK_TCP_NO_DELAY_ACK 0x1
245 #define SK_TCP_KEEP_ALIVE 0x2
246 #define SK_TCP_NAGLE 0x4
247 #define SK_TCP_TIMESTAMP 0x8
248 #define SK_TCP_SACK 0x10
249 #define SK_TCP_SEG_SCALING 0x20
252 #define SK_F_OFFLD_COMPLETE 1
253 #define SK_F_OFFLD_SCHED 2
254 #define SK_F_PG_OFFLD_COMPLETE 3
255 #define SK_F_CONNECT_START 4
257 #define SK_F_CLOSING 7
267 struct net_device *netdev;
268 struct pci_dev *pcidev;
269 void __iomem *regview;
270 struct list_head list;
272 int (*register_device)(struct cnic_dev *dev, int ulp_type,
274 int (*unregister_device)(struct cnic_dev *dev, int ulp_type);
275 int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[],
277 int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[],
280 int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **,
282 int (*cm_destroy)(struct cnic_sock *);
283 int (*cm_connect)(struct cnic_sock *, struct cnic_sockaddr *);
284 int (*cm_abort)(struct cnic_sock *);
285 int (*cm_close)(struct cnic_sock *);
286 struct cnic_dev *(*cm_select_dev)(struct sockaddr_in *, int ulp_type);
287 int (*iscsi_nl_msg_recv)(struct cnic_dev *dev, u32 msg_type,
288 char *data, u16 data_size);
290 #define CNIC_F_CNIC_UP 1
291 #define CNIC_F_BNX2_CLASS 3
292 #define CNIC_F_BNX2X_CLASS 4
303 #define CNIC_WR(dev, off, val) writel(val, dev->regview + off)
304 #define CNIC_WR16(dev, off, val) writew(val, dev->regview + off)
305 #define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off)
306 #define CNIC_RD(dev, off) readl(dev->regview + off)
307 #define CNIC_RD16(dev, off) readw(dev->regview + off)
309 struct cnic_ulp_ops {
310 /* Calls to these functions are protected by RCU. When
311 * unregistering, we wait for any calls to complete before
315 void (*cnic_init)(struct cnic_dev *dev);
316 void (*cnic_exit)(struct cnic_dev *dev);
317 void (*cnic_start)(void *ulp_ctx);
318 void (*cnic_stop)(void *ulp_ctx);
319 void (*indicate_kcqes)(void *ulp_ctx, struct kcqe *cqes[],
321 void (*indicate_netevent)(void *ulp_ctx, unsigned long event);
322 void (*cm_connect_complete)(struct cnic_sock *);
323 void (*cm_close_complete)(struct cnic_sock *);
324 void (*cm_abort_complete)(struct cnic_sock *);
325 void (*cm_remote_close)(struct cnic_sock *);
326 void (*cm_remote_abort)(struct cnic_sock *);
327 int (*iscsi_nl_send_msg)(void *ulp_ctx, u32 msg_type,
328 char *data, u16 data_size);
329 struct module *owner;
333 extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
335 extern int cnic_unregister_driver(int ulp_type);
337 extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev);
338 extern struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);