1/* cnic_if.h: Broadcom CNIC core network driver. 2 * 3 * Copyright (c) 2006-2010 Broadcom Corporation 4 * 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. 8 * 9 */ 10 11 12#ifndef CNIC_IF_H 13#define CNIC_IF_H 14 15#define CNIC_MODULE_VERSION "2.1.3" 16#define CNIC_MODULE_RELDATE "June 24, 2010" 17 18#define CNIC_ULP_RDMA 0 19#define CNIC_ULP_ISCSI 1 20#define CNIC_ULP_L4 2 21#define MAX_CNIC_ULP_TYPE_EXT 2 22#define MAX_CNIC_ULP_TYPE 3 23 24struct kwqe { 25 u32 kwqe_op_flag; 26 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) 31 32 u32 kwqe_info0; 33 u32 kwqe_info1; 34 u32 kwqe_info2; 35 u32 kwqe_info3; 36 u32 kwqe_info4; 37 u32 kwqe_info5; 38 u32 kwqe_info6; 39}; 40 41struct kwqe_16 { 42 u32 kwqe_info0; 43 u32 kwqe_info1; 44 u32 kwqe_info2; 45 u32 kwqe_info3; 46}; 47 48struct kcqe { 49 u32 kcqe_info0; 50 u32 kcqe_info1; 51 u32 kcqe_info2; 52 u32 kcqe_info3; 53 u32 kcqe_info4; 54 u32 kcqe_info5; 55 u32 kcqe_info6; 56 u32 kcqe_op_flag; 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) 70}; 71 72#define MAX_CNIC_CTL_DATA 64 73#define MAX_DRV_CTL_DATA 64 74 75#define CNIC_CTL_STOP_CMD 1 76#define CNIC_CTL_START_CMD 2 77#define CNIC_CTL_COMPLETION_CMD 3 78 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_COMPLETION_CMD 0x105 84#define DRV_CTL_START_L2_CMD 0x106 85#define DRV_CTL_STOP_L2_CMD 0x107 86 87struct cnic_ctl_completion { 88 u32 cid; 89}; 90 91struct drv_ctl_completion { 92 u32 comp_count; 93}; 94 95struct cnic_ctl_info { 96 int cmd; 97 union { 98 struct cnic_ctl_completion comp; 99 char bytes[MAX_CNIC_CTL_DATA]; 100 } data; 101}; 102 103struct drv_ctl_io { 104 u32 cid_addr; 105 u32 offset; 106 u32 data; 107 dma_addr_t dma_addr; 108}; 109 110struct drv_ctl_l2_ring { 111 u32 client_id; 112 u32 cid; 113}; 114 115struct drv_ctl_info { 116 int cmd; 117 union { 118 struct drv_ctl_completion comp; 119 struct drv_ctl_io io; 120 struct drv_ctl_l2_ring ring; 121 char bytes[MAX_DRV_CTL_DATA]; 122 } data; 123}; 124 125struct cnic_ops { 126 struct module *cnic_owner; 127 /* Calls to these functions are protected by RCU. When 128 * unregistering, we wait for any calls to complete before 129 * continuing. 130 */ 131 int (*cnic_handler)(void *, void *); 132 int (*cnic_ctl)(void *, struct cnic_ctl_info *); 133}; 134 135#define MAX_CNIC_VEC 8 136 137struct cnic_irq { 138 unsigned int vector; 139 void *status_blk; 140 u32 status_blk_num; 141 u32 irq_flags; 142#define CNIC_IRQ_FL_MSIX 0x00000001 143}; 144 145struct cnic_eth_dev { 146 struct module *drv_owner; 147 u32 drv_state; 148#define CNIC_DRV_STATE_REGD 0x00000001 149#define CNIC_DRV_STATE_USING_MSIX 0x00000002 150 u32 chip_id; 151 u32 max_kwqe_pending; 152 struct pci_dev *pdev; 153 void __iomem *io_base; 154 void __iomem *io_base2; 155 156 u32 ctx_tbl_offset; 157 u32 ctx_tbl_len; 158 int ctx_blk_size; 159 u32 starting_cid; 160 u32 max_iscsi_conn; 161 u32 max_fcoe_conn; 162 u32 max_rdma_conn; 163 u32 reserved0[2]; 164 165 int num_irq; 166 struct cnic_irq irq_arr[MAX_CNIC_VEC]; 167 int (*drv_register_cnic)(struct net_device *, 168 struct cnic_ops *, void *); 169 int (*drv_unregister_cnic)(struct net_device *); 170 int (*drv_submit_kwqes_32)(struct net_device *, 171 struct kwqe *[], u32); 172 int (*drv_submit_kwqes_16)(struct net_device *, 173 struct kwqe_16 *[], u32); 174 int (*drv_ctl)(struct net_device *, struct drv_ctl_info *); 175 unsigned long reserved1[2]; 176}; 177 178struct cnic_sockaddr { 179 union { 180 struct sockaddr_in v4; 181 struct sockaddr_in6 v6; 182 } local; 183 union { 184 struct sockaddr_in v4; 185 struct sockaddr_in6 v6; 186 } remote; 187}; 188 189struct cnic_sock { 190 struct cnic_dev *dev; 191 void *context; 192 u32 src_ip[4]; 193 u32 dst_ip[4]; 194 u16 src_port; 195 u16 dst_port; 196 u16 vlan_id; 197 unsigned char old_ha[6]; 198 unsigned char ha[6]; 199 u32 mtu; 200 u32 cid; 201 u32 l5_cid; 202 u32 pg_cid; 203 int ulp_type; 204 205 u32 ka_timeout; 206 u32 ka_interval; 207 u8 ka_max_probe_count; 208 u8 tos; 209 u8 ttl; 210 u8 snd_seq_scale; 211 u32 rcv_buf; 212 u32 snd_buf; 213 u32 seed; 214 215 unsigned long tcp_flags; 216#define SK_TCP_NO_DELAY_ACK 0x1 217#define SK_TCP_KEEP_ALIVE 0x2 218#define SK_TCP_NAGLE 0x4 219#define SK_TCP_TIMESTAMP 0x8 220#define SK_TCP_SACK 0x10 221#define SK_TCP_SEG_SCALING 0x20 222 unsigned long flags; 223#define SK_F_INUSE 0 224#define SK_F_OFFLD_COMPLETE 1 225#define SK_F_OFFLD_SCHED 2 226#define SK_F_PG_OFFLD_COMPLETE 3 227#define SK_F_CONNECT_START 4 228#define SK_F_IPV6 5 229#define SK_F_CLOSING 7 230 231 atomic_t ref_count; 232 u32 state; 233 struct kwqe kwqe1; 234 struct kwqe kwqe2; 235 struct kwqe kwqe3; 236}; 237 238struct cnic_dev { 239 struct net_device *netdev; 240 struct pci_dev *pcidev; 241 void __iomem *regview; 242 struct list_head list; 243 244 int (*register_device)(struct cnic_dev *dev, int ulp_type, 245 void *ulp_ctx); 246 int (*unregister_device)(struct cnic_dev *dev, int ulp_type); 247 int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[], 248 u32 num_wqes); 249 int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[], 250 u32 num_wqes); 251 252 int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **, 253 void *); 254 int (*cm_destroy)(struct cnic_sock *); 255 int (*cm_connect)(struct cnic_sock *, struct cnic_sockaddr *); 256 int (*cm_abort)(struct cnic_sock *); 257 int (*cm_close)(struct cnic_sock *); 258 struct cnic_dev *(*cm_select_dev)(struct sockaddr_in *, int ulp_type); 259 int (*iscsi_nl_msg_recv)(struct cnic_dev *dev, u32 msg_type, 260 char *data, u16 data_size); 261 unsigned long flags; 262#define CNIC_F_CNIC_UP 1 263#define CNIC_F_BNX2_CLASS 3 264#define CNIC_F_BNX2X_CLASS 4 265 atomic_t ref_count; 266 u8 mac_addr[6]; 267 268 int max_iscsi_conn; 269 int max_fcoe_conn; 270 int max_rdma_conn; 271 272 void *cnic_priv; 273}; 274 275#define CNIC_WR(dev, off, val) writel(val, dev->regview + off) 276#define CNIC_WR16(dev, off, val) writew(val, dev->regview + off) 277#define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off) 278#define CNIC_RD(dev, off) readl(dev->regview + off) 279#define CNIC_RD16(dev, off) readw(dev->regview + off) 280 281struct cnic_ulp_ops { 282 /* Calls to these functions are protected by RCU. When 283 * unregistering, we wait for any calls to complete before 284 * continuing. 285 */ 286 287 void (*cnic_init)(struct cnic_dev *dev); 288 void (*cnic_exit)(struct cnic_dev *dev); 289 void (*cnic_start)(void *ulp_ctx); 290 void (*cnic_stop)(void *ulp_ctx); 291 void (*indicate_kcqes)(void *ulp_ctx, struct kcqe *cqes[], 292 u32 num_cqes); 293 void (*indicate_netevent)(void *ulp_ctx, unsigned long event); 294 void (*cm_connect_complete)(struct cnic_sock *); 295 void (*cm_close_complete)(struct cnic_sock *); 296 void (*cm_abort_complete)(struct cnic_sock *); 297 void (*cm_remote_close)(struct cnic_sock *); 298 void (*cm_remote_abort)(struct cnic_sock *); 299 void (*iscsi_nl_send_msg)(struct cnic_dev *dev, u32 msg_type, 300 char *data, u16 data_size); 301 struct module *owner; 302 atomic_t ref_count; 303}; 304 305extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops); 306 307extern int cnic_unregister_driver(int ulp_type); 308 309extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev); 310extern struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev); 311 312#endif 313