1 /* cnic_if.h: Broadcom CNIC core network driver.
3 * Copyright (c) 2006-2014 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 "2.5.20"
18 #define CNIC_MODULE_RELDATE "March 14, 2014"
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
27 /* Use CPU native page size up to 16K for cnic ring sizes. */
29 #define CNIC_PAGE_BITS 14
31 #define CNIC_PAGE_BITS PAGE_SHIFT
33 #define CNIC_PAGE_SIZE (1 << (CNIC_PAGE_BITS))
34 #define CNIC_PAGE_ALIGN(addr) ALIGN(addr, CNIC_PAGE_SIZE)
35 #define CNIC_PAGE_MASK (~((CNIC_PAGE_SIZE) - 1))
40 #define KWQE_QID_SHIFT 8
41 #define KWQE_OPCODE_MASK 0x00ff0000
42 #define KWQE_OPCODE_SHIFT 16
43 #define KWQE_OPCODE(x) ((x & KWQE_OPCODE_MASK) >> KWQE_OPCODE_SHIFT)
44 #define KWQE_LAYER_MASK 0x70000000
45 #define KWQE_LAYER_SHIFT 28
46 #define KWQE_FLAGS_LAYER_MASK_L2 (2<<28)
47 #define KWQE_FLAGS_LAYER_MASK_L3 (3<<28)
48 #define KWQE_FLAGS_LAYER_MASK_L4 (4<<28)
49 #define KWQE_FLAGS_LAYER_MASK_L5_RDMA (5<<28)
50 #define KWQE_FLAGS_LAYER_MASK_L5_ISCSI (6<<28)
51 #define KWQE_FLAGS_LAYER_MASK_L5_FCOE (7<<28)
78 #define KCQE_RAMROD_COMPLETION (0x1<<27) /* Everest */
79 #define KCQE_FLAGS_LAYER_MASK (0x7<<28)
80 #define KCQE_FLAGS_LAYER_MASK_MISC (0<<28)
81 #define KCQE_FLAGS_LAYER_MASK_L2 (2<<28)
82 #define KCQE_FLAGS_LAYER_MASK_L3 (3<<28)
83 #define KCQE_FLAGS_LAYER_MASK_L4 (4<<28)
84 #define KCQE_FLAGS_LAYER_MASK_L5_RDMA (5<<28)
85 #define KCQE_FLAGS_LAYER_MASK_L5_ISCSI (6<<28)
86 #define KCQE_FLAGS_LAYER_MASK_L5_FCOE (7<<28)
87 #define KCQE_FLAGS_NEXT (1<<31)
88 #define KCQE_FLAGS_OPCODE_MASK (0xff<<16)
89 #define KCQE_FLAGS_OPCODE_SHIFT (16)
90 #define KCQE_OPCODE(op) \
91 (((op) & KCQE_FLAGS_OPCODE_MASK) >> KCQE_FLAGS_OPCODE_SHIFT)
94 #define MAX_CNIC_CTL_DATA 64
95 #define MAX_DRV_CTL_DATA 64
97 #define CNIC_CTL_STOP_CMD 1
98 #define CNIC_CTL_START_CMD 2
99 #define CNIC_CTL_COMPLETION_CMD 3
100 #define CNIC_CTL_STOP_ISCSI_CMD 4
101 #define CNIC_CTL_FCOE_STATS_GET_CMD 5
102 #define CNIC_CTL_ISCSI_STATS_GET_CMD 6
104 #define DRV_CTL_IO_WR_CMD 0x101
105 #define DRV_CTL_IO_RD_CMD 0x102
106 #define DRV_CTL_CTX_WR_CMD 0x103
107 #define DRV_CTL_CTXTBL_WR_CMD 0x104
108 #define DRV_CTL_RET_L5_SPQ_CREDIT_CMD 0x105
109 #define DRV_CTL_START_L2_CMD 0x106
110 #define DRV_CTL_STOP_L2_CMD 0x107
111 #define DRV_CTL_RET_L2_SPQ_CREDIT_CMD 0x10c
112 #define DRV_CTL_ISCSI_STOPPED_CMD 0x10d
113 #define DRV_CTL_ULP_REGISTER_CMD 0x10e
114 #define DRV_CTL_ULP_UNREGISTER_CMD 0x10f
116 struct cnic_ctl_completion {
122 struct cnic_ctl_info {
125 struct cnic_ctl_completion comp;
126 char bytes[MAX_CNIC_CTL_DATA];
130 struct drv_ctl_spq_credit {
141 struct drv_ctl_l2_ring {
146 struct drv_ctl_register_data {
148 struct fcoe_capabilities fcoe_features;
151 struct drv_ctl_info {
154 struct drv_ctl_spq_credit credit;
155 struct drv_ctl_io io;
156 struct drv_ctl_l2_ring ring;
158 struct drv_ctl_register_data register_data;
159 char bytes[MAX_DRV_CTL_DATA];
164 struct module *cnic_owner;
165 /* Calls to these functions are protected by RCU. When
166 * unregistering, we wait for any calls to complete before
169 int (*cnic_handler)(void *, void *);
170 int (*cnic_ctl)(void *, struct cnic_ctl_info *);
173 #define MAX_CNIC_VEC 8
181 #define CNIC_IRQ_FL_MSIX 0x00000001
184 struct cnic_eth_dev {
185 struct module *drv_owner;
187 #define CNIC_DRV_STATE_REGD 0x00000001
188 #define CNIC_DRV_STATE_USING_MSIX 0x00000002
189 #define CNIC_DRV_STATE_NO_ISCSI_OOO 0x00000004
190 #define CNIC_DRV_STATE_NO_ISCSI 0x00000008
191 #define CNIC_DRV_STATE_NO_FCOE 0x00000010
192 #define CNIC_DRV_STATE_HANDLES_IRQ 0x00000020
194 u32 max_kwqe_pending;
195 struct pci_dev *pdev;
196 void __iomem *io_base;
197 void __iomem *io_base2;
208 u32 max_fcoe_exchanges;
209 u32 fcoe_wwn_port_name_hi;
210 u32 fcoe_wwn_port_name_lo;
211 u32 fcoe_wwn_node_name_hi;
212 u32 fcoe_wwn_node_name_lo;
214 u16 iscsi_l2_client_id;
216 u8 iscsi_mac[ETH_ALEN];
219 struct cnic_irq irq_arr[MAX_CNIC_VEC];
220 int (*drv_register_cnic)(struct net_device *,
221 struct cnic_ops *, void *);
222 int (*drv_unregister_cnic)(struct net_device *);
223 int (*drv_submit_kwqes_32)(struct net_device *,
224 struct kwqe *[], u32);
225 int (*drv_submit_kwqes_16)(struct net_device *,
226 struct kwqe_16 *[], u32);
227 int (*drv_ctl)(struct net_device *, struct drv_ctl_info *);
228 unsigned long reserved1[2];
229 union drv_info_to_mcp *addr_drv_info_to_mcp;
232 struct cnic_sockaddr {
234 struct sockaddr_in v4;
235 struct sockaddr_in6 v6;
238 struct sockaddr_in v4;
239 struct sockaddr_in6 v6;
244 struct cnic_dev *dev;
251 unsigned char old_ha[ETH_ALEN];
252 unsigned char ha[ETH_ALEN];
261 u8 ka_max_probe_count;
269 unsigned long tcp_flags;
270 #define SK_TCP_NO_DELAY_ACK 0x1
271 #define SK_TCP_KEEP_ALIVE 0x2
272 #define SK_TCP_NAGLE 0x4
273 #define SK_TCP_TIMESTAMP 0x8
274 #define SK_TCP_SACK 0x10
275 #define SK_TCP_SEG_SCALING 0x20
278 #define SK_F_OFFLD_COMPLETE 1
279 #define SK_F_OFFLD_SCHED 2
280 #define SK_F_PG_OFFLD_COMPLETE 3
281 #define SK_F_CONNECT_START 4
283 #define SK_F_CLOSING 7
284 #define SK_F_HW_ERR 8
294 struct net_device *netdev;
295 struct pci_dev *pcidev;
296 void __iomem *regview;
297 struct list_head list;
299 int (*register_device)(struct cnic_dev *dev, int ulp_type,
301 int (*unregister_device)(struct cnic_dev *dev, int ulp_type);
302 int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[],
304 int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[],
307 int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **,
309 int (*cm_destroy)(struct cnic_sock *);
310 int (*cm_connect)(struct cnic_sock *, struct cnic_sockaddr *);
311 int (*cm_abort)(struct cnic_sock *);
312 int (*cm_close)(struct cnic_sock *);
313 struct cnic_dev *(*cm_select_dev)(struct sockaddr_in *, int ulp_type);
314 int (*iscsi_nl_msg_recv)(struct cnic_dev *dev, u32 msg_type,
315 char *data, u16 data_size);
317 #define CNIC_F_CNIC_UP 1
318 #define CNIC_F_BNX2_CLASS 3
319 #define CNIC_F_BNX2X_CLASS 4
321 u8 mac_addr[ETH_ALEN];
327 int max_fcoe_exchanges;
329 union drv_info_to_mcp *stats_addr;
330 struct fcoe_capabilities *fcoe_cap;
335 #define CNIC_WR(dev, off, val) writel(val, dev->regview + off)
336 #define CNIC_WR16(dev, off, val) writew(val, dev->regview + off)
337 #define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off)
338 #define CNIC_RD(dev, off) readl(dev->regview + off)
339 #define CNIC_RD16(dev, off) readw(dev->regview + off)
341 struct cnic_ulp_ops {
342 /* Calls to these functions are protected by RCU. When
343 * unregistering, we wait for any calls to complete before
347 void (*cnic_init)(struct cnic_dev *dev);
348 void (*cnic_exit)(struct cnic_dev *dev);
349 void (*cnic_start)(void *ulp_ctx);
350 void (*cnic_stop)(void *ulp_ctx);
351 void (*indicate_kcqes)(void *ulp_ctx, struct kcqe *cqes[],
353 void (*indicate_netevent)(void *ulp_ctx, unsigned long event, u16 vid);
354 void (*cm_connect_complete)(struct cnic_sock *);
355 void (*cm_close_complete)(struct cnic_sock *);
356 void (*cm_abort_complete)(struct cnic_sock *);
357 void (*cm_remote_close)(struct cnic_sock *);
358 void (*cm_remote_abort)(struct cnic_sock *);
359 int (*iscsi_nl_send_msg)(void *ulp_ctx, u32 msg_type,
360 char *data, u16 data_size);
361 int (*cnic_get_stats)(void *ulp_ctx);
362 struct module *owner;
366 int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
368 int cnic_unregister_driver(int ulp_type);