1 /* cnic_if.h: Broadcom CNIC core network driver.
3 * Copyright (c) 2006-2010 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 "2.2.6"
16 #define CNIC_MODULE_RELDATE "Oct 12, 2010"
18 #define CNIC_ULP_RDMA 0
19 #define CNIC_ULP_ISCSI 1
21 #define MAX_CNIC_ULP_TYPE_EXT 2
22 #define MAX_CNIC_ULP_TYPE 3
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)
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)
72 #define MAX_CNIC_CTL_DATA 64
73 #define MAX_DRV_CTL_DATA 64
75 #define CNIC_CTL_STOP_CMD 1
76 #define CNIC_CTL_START_CMD 2
77 #define CNIC_CTL_COMPLETION_CMD 3
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
83 #define DRV_CTL_RET_L5_SPQ_CREDIT_CMD 0x105
84 #define DRV_CTL_START_L2_CMD 0x106
85 #define DRV_CTL_STOP_L2_CMD 0x107
86 #define DRV_CTL_RET_L2_SPQ_CREDIT_CMD 0x10c
88 struct cnic_ctl_completion {
92 struct cnic_ctl_info {
95 struct cnic_ctl_completion comp;
96 char bytes[MAX_CNIC_CTL_DATA];
100 struct drv_ctl_spq_credit {
111 struct drv_ctl_l2_ring {
116 struct drv_ctl_info {
119 struct drv_ctl_spq_credit credit;
120 struct drv_ctl_io io;
121 struct drv_ctl_l2_ring ring;
122 char bytes[MAX_DRV_CTL_DATA];
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
132 int (*cnic_handler)(void *, void *);
133 int (*cnic_ctl)(void *, struct cnic_ctl_info *);
136 #define MAX_CNIC_VEC 8
144 #define CNIC_IRQ_FL_MSIX 0x00000001
147 struct cnic_eth_dev {
148 struct module *drv_owner;
150 #define CNIC_DRV_STATE_REGD 0x00000001
151 #define CNIC_DRV_STATE_USING_MSIX 0x00000002
153 u32 max_kwqe_pending;
154 struct pci_dev *pdev;
155 void __iomem *io_base;
156 void __iomem *io_base2;
167 u16 iscsi_l2_client_id;
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];
183 struct cnic_sockaddr {
185 struct sockaddr_in v4;
186 struct sockaddr_in6 v6;
189 struct sockaddr_in v4;
190 struct sockaddr_in6 v6;
195 struct cnic_dev *dev;
202 unsigned char old_ha[6];
212 u8 ka_max_probe_count;
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
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
234 #define SK_F_CLOSING 7
244 struct net_device *netdev;
245 struct pci_dev *pcidev;
246 void __iomem *regview;
247 struct list_head list;
249 int (*register_device)(struct cnic_dev *dev, int ulp_type,
251 int (*unregister_device)(struct cnic_dev *dev, int ulp_type);
252 int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[],
254 int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[],
257 int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **,
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);
267 #define CNIC_F_CNIC_UP 1
268 #define CNIC_F_BNX2_CLASS 3
269 #define CNIC_F_BNX2X_CLASS 4
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)
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
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[],
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;
310 extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
312 extern int cnic_unregister_driver(int ulp_type);
314 extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev);
315 extern struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);