1 /* cnic_if.h: Broadcom CNIC core network driver.
3 * Copyright (c) 2006-2013 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 "2.5.19"
18 #define CNIC_MODULE_RELDATE "December 19, 2013"
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
182 #define CNIC_DRV_STATE_HANDLES_IRQ 0x00000020
184 u32 max_kwqe_pending;
185 struct pci_dev *pdev;
186 void __iomem *io_base;
187 void __iomem *io_base2;
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;
204 u16 iscsi_l2_client_id;
206 u8 iscsi_mac[ETH_ALEN];
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;
222 struct cnic_sockaddr {
224 struct sockaddr_in v4;
225 struct sockaddr_in6 v6;
228 struct sockaddr_in v4;
229 struct sockaddr_in6 v6;
234 struct cnic_dev *dev;
241 unsigned char old_ha[ETH_ALEN];
242 unsigned char ha[ETH_ALEN];
251 u8 ka_max_probe_count;
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
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
273 #define SK_F_CLOSING 7
274 #define SK_F_HW_ERR 8
284 struct net_device *netdev;
285 struct pci_dev *pcidev;
286 void __iomem *regview;
287 struct list_head list;
289 int (*register_device)(struct cnic_dev *dev, int ulp_type,
291 int (*unregister_device)(struct cnic_dev *dev, int ulp_type);
292 int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[],
294 int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[],
297 int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **,
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);
307 #define CNIC_F_CNIC_UP 1
308 #define CNIC_F_BNX2_CLASS 3
309 #define CNIC_F_BNX2X_CLASS 4
311 u8 mac_addr[ETH_ALEN];
317 int max_fcoe_exchanges;
319 union drv_info_to_mcp *stats_addr;
320 struct fcoe_capabilities *fcoe_cap;
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)
331 struct cnic_ulp_ops {
332 /* Calls to these functions are protected by RCU. When
333 * unregistering, we wait for any calls to complete before
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[],
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;
356 int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
358 int cnic_unregister_driver(int ulp_type);