drivers/scsi/bnx2fc/bnx2fc.h

   1 #ifndef _BNX2FC_H_
   2 #define _BNX2FC_H_
   3 /* bnx2fc.h: Broadcom NetXtreme II Linux FCoE offload driver.
   4  *
   5  * Copyright (c) 2008 - 2010 Broadcom Corporation
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation.
  10  *
  11  * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com)
  12  */
  13
  14 #include <linux/module.h>
  15 #include <linux/moduleparam.h>
  16 #include <linux/kernel.h>
  17 #include <linux/skbuff.h>
  18 #include <linux/netdevice.h>
  19 #include <linux/etherdevice.h>
  20 #include <linux/if_ether.h>
  21 #include <linux/if_vlan.h>
  22 #include <linux/kthread.h>
  23 #include <linux/crc32.h>
  24 #include <linux/cpu.h>
  25 #include <linux/types.h>
  26 #include <linux/list.h>
  27 #include <linux/delay.h>
  28 #include <linux/timer.h>
  29 #include <linux/errno.h>
  30 #include <linux/pci.h>
  31 #include <linux/init.h>
  32 #include <linux/dma-mapping.h>
  33 #include <linux/workqueue.h>
  34 #include <linux/mutex.h>
  35 #include <linux/spinlock.h>
  36 #include <linux/bitops.h>
  37 #include <linux/log2.h>
  38 #include <linux/interrupt.h>
  39 #include <linux/sched.h>
  40 #include <linux/io.h>
  41
  42 #include <scsi/scsi.h>
  43 #include <scsi/scsi_host.h>
  44 #include <scsi/scsi_device.h>
  45 #include <scsi/scsi_cmnd.h>
  46 #include <scsi/scsi_eh.h>
  47 #include <scsi/scsi_tcq.h>
  48 #include <scsi/libfc.h>
  49 #include <scsi/libfcoe.h>
  50 #include <scsi/fc_encode.h>
  51 #include <scsi/scsi_transport.h>
  52 #include <scsi/scsi_transport_fc.h>
  53 #include <scsi/fc/fc_fip.h>
  54 #include <scsi/fc/fc_fc2.h>
  55 #include <scsi/fc_frame.h>
  56 #include <scsi/fc/fc_fcoe.h>
  57 #include <scsi/fc/fc_fcp.h>
  58
  59 #include "57xx_hsi_bnx2fc.h"
  60 #include "bnx2fc_debug.h"
  61 #include "../../net/cnic_if.h"
  62 #include "bnx2fc_constants.h"
  63
  64 #define BNX2FC_NAME             "bnx2fc"
  65 #define BNX2FC_VERSION          "1.0.1"
  66
  67 #define PFX                     "bnx2fc: "
  68
  69 #define BNX2X_DOORBELL_PCI_BAR          2
  70
  71 #define BNX2FC_MAX_BD_LEN               0xffff
  72 #define BNX2FC_BD_SPLIT_SZ              0x8000
  73 #define BNX2FC_MAX_BDS_PER_CMD          256
  74
  75 #define BNX2FC_SQ_WQES_MAX      256
  76
  77 #define BNX2FC_SCSI_MAX_SQES    ((3 * BNX2FC_SQ_WQES_MAX) / 8)
  78 #define BNX2FC_TM_MAX_SQES      ((BNX2FC_SQ_WQES_MAX) / 2)
  79 #define BNX2FC_ELS_MAX_SQES     (BNX2FC_TM_MAX_SQES - 1)
  80
  81 #define BNX2FC_RQ_WQES_MAX      16
  82 #define BNX2FC_CQ_WQES_MAX      (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
  83
  84 #define BNX2FC_NUM_MAX_SESS     128
  85 #define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS))
  86
  87 #define BNX2FC_MAX_OUTSTANDING_CMNDS    2048
  88 #define BNX2FC_CAN_QUEUE                BNX2FC_MAX_OUTSTANDING_CMNDS
  89 #define BNX2FC_ELSTM_XIDS               BNX2FC_CAN_QUEUE
  90 #define BNX2FC_MIN_PAYLOAD              256
  91 #define BNX2FC_MAX_PAYLOAD              2048
  92 #define BNX2FC_MFS                      \
  93                         (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
  94 #define BNX2FC_MINI_JUMBO_MTU           2500
  95
  96
  97 #define BNX2FC_RQ_BUF_SZ                256
  98 #define BNX2FC_RQ_BUF_LOG_SZ            (ilog2(BNX2FC_RQ_BUF_SZ))
  99
 100 #define BNX2FC_SQ_WQE_SIZE              (sizeof(struct fcoe_sqe))
 101 #define BNX2FC_CQ_WQE_SIZE              (sizeof(struct fcoe_cqe))
 102 #define BNX2FC_RQ_WQE_SIZE              (BNX2FC_RQ_BUF_SZ)
 103 #define BNX2FC_XFERQ_WQE_SIZE           (sizeof(struct fcoe_xfrqe))
 104 #define BNX2FC_CONFQ_WQE_SIZE           (sizeof(struct fcoe_confqe))
 105 #define BNX2FC_5771X_DB_PAGE_SIZE       128
 106
 107 #define BNX2FC_MAX_TASKS                \
 108                              (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS)
 109 #define BNX2FC_TASK_SIZE                128
 110 #define BNX2FC_TASKS_PER_PAGE           (PAGE_SIZE/BNX2FC_TASK_SIZE)
 111 #define BNX2FC_TASK_CTX_ARR_SZ          (BNX2FC_MAX_TASKS/BNX2FC_TASKS_PER_PAGE)
 112
 113 #define BNX2FC_MAX_ROWS_IN_HASH_TBL     8
 114 #define BNX2FC_HASH_TBL_CHUNK_SIZE      (16 * 1024)
 115
 116 #define BNX2FC_MAX_SEQS                 255
 117
 118 #define BNX2FC_READ                     (1 << 1)
 119 #define BNX2FC_WRITE                    (1 << 0)
 120
 121 #define BNX2FC_MIN_XID                  0
 122 #define BNX2FC_MAX_XID                  \
 123                         (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS - 1)
 124 #define FCOE_MIN_XID                    (BNX2FC_MAX_XID + 1)
 125 #define FCOE_MAX_XID                    (FCOE_MIN_XID + 4095)
 126 #define BNX2FC_MAX_LUN                  0xFFFF
 127 #define BNX2FC_MAX_FCP_TGT              256
 128 #define BNX2FC_MAX_CMD_LEN              16
 129
 130 #define BNX2FC_TM_TIMEOUT               60      /* secs */
 131 #define BNX2FC_IO_TIMEOUT               20000UL /* msecs */
 132
 133 #define BNX2FC_WAIT_CNT                 1200
 134 #define BNX2FC_FW_TIMEOUT               (3 * HZ)
 135 #define PORT_MAX                        2
 136
 137 #define CMD_SCSI_STATUS(Cmnd)           ((Cmnd)->SCp.Status)
 138
 139 /* FC FCP Status */
 140 #define FC_GOOD                         0
 141
 142 #define BNX2FC_RNID_HBA                 0x7
 143
 144 /* bnx2fc driver uses only one instance of fcoe_percpu_s */
 145 extern struct fcoe_percpu_s bnx2fc_global;
 146
 147 extern struct workqueue_struct *bnx2fc_wq;
 148
 149 struct bnx2fc_percpu_s {
 150         struct task_struct *iothread;
 151         struct list_head work_list;
 152         spinlock_t fp_work_lock;
 153 };
 154
 155
 156 struct bnx2fc_hba {
 157         struct list_head link;
 158         struct cnic_dev *cnic;
 159         struct pci_dev *pcidev;
 160         struct net_device *netdev;
 161         struct net_device *phys_dev;
 162         unsigned long reg_with_cnic;
 163                 #define BNX2FC_CNIC_REGISTERED           1
 164         struct packet_type fcoe_packet_type;
 165         struct packet_type fip_packet_type;
 166         struct bnx2fc_cmd_mgr *cmd_mgr;
 167         struct workqueue_struct *timer_work_queue;
 168         struct kref kref;
 169         spinlock_t hba_lock;
 170         struct mutex hba_mutex;
 171         unsigned long adapter_state;
 172                 #define ADAPTER_STATE_UP                0
 173                 #define ADAPTER_STATE_GOING_DOWN        1
 174                 #define ADAPTER_STATE_LINK_DOWN         2
 175                 #define ADAPTER_STATE_READY             3
 176         u32 flags;
 177         unsigned long init_done;
 178                 #define BNX2FC_FW_INIT_DONE             0
 179                 #define BNX2FC_CTLR_INIT_DONE           1
 180                 #define BNX2FC_CREATE_DONE              2
 181         struct fcoe_ctlr ctlr;
 182         u8 vlan_enabled;
 183         int vlan_id;
 184         u32 next_conn_id;
 185         struct fcoe_task_ctx_entry **task_ctx;
 186         dma_addr_t *task_ctx_dma;
 187         struct regpair *task_ctx_bd_tbl;
 188         dma_addr_t task_ctx_bd_dma;
 189
 190         int hash_tbl_segment_count;
 191         void **hash_tbl_segments;
 192         void *hash_tbl_pbl;
 193         dma_addr_t hash_tbl_pbl_dma;
 194         struct fcoe_t2_hash_table_entry *t2_hash_tbl;
 195         dma_addr_t t2_hash_tbl_dma;
 196         char *t2_hash_tbl_ptr;
 197         dma_addr_t t2_hash_tbl_ptr_dma;
 198
 199         char *dummy_buffer;
 200         dma_addr_t dummy_buf_dma;
 201
 202         struct fcoe_statistics_params *stats_buffer;
 203         dma_addr_t stats_buf_dma;
 204
 205         /*
 206          * PCI related info.
 207          */
 208         u16 pci_did;
 209         u16 pci_vid;
 210         u16 pci_sdid;
 211         u16 pci_svid;
 212         u16 pci_func;
 213         u16 pci_devno;
 214
 215         struct task_struct *l2_thread;
 216
 217         /* linkdown handling */
 218         wait_queue_head_t shutdown_wait;
 219         int wait_for_link_down;
 220
 221         /*destroy handling */
 222         struct timer_list destroy_timer;
 223         wait_queue_head_t destroy_wait;
 224
 225         /* Active list of offloaded sessions */
 226         struct bnx2fc_rport *tgt_ofld_list[BNX2FC_NUM_MAX_SESS];
 227         int num_ofld_sess;
 228
 229         /* statistics */
 230         struct completion stat_req_done;
 231 };
 232
 233 #define bnx2fc_from_ctlr(fip) container_of(fip, struct bnx2fc_hba, ctlr)
 234
 235 struct bnx2fc_cmd_mgr {
 236         struct bnx2fc_hba *hba;
 237         u16 next_idx;
 238         struct list_head *free_list;
 239         spinlock_t *free_list_lock;
 240         struct io_bdt **io_bdt_pool;
 241         struct bnx2fc_cmd **cmds;
 242 };
 243
 244 struct bnx2fc_rport {
 245         struct fcoe_port *port;
 246         struct fc_rport *rport;
 247         struct fc_rport_priv *rdata;
 248         void __iomem *ctx_base;
 249 #define DPM_TRIGER_TYPE         0x40
 250         u32 fcoe_conn_id;
 251         u32 context_id;
 252         u32 sid;
 253
 254         unsigned long flags;
 255 #define BNX2FC_FLAG_SESSION_READY       0x1
 256 #define BNX2FC_FLAG_OFFLOADED           0x2
 257 #define BNX2FC_FLAG_DISABLED            0x3
 258 #define BNX2FC_FLAG_DESTROYED           0x4
 259 #define BNX2FC_FLAG_OFLD_REQ_CMPL       0x5
 260 #define BNX2FC_FLAG_DESTROY_CMPL        0x6
 261 #define BNX2FC_FLAG_CTX_ALLOC_FAILURE   0x7
 262 #define BNX2FC_FLAG_UPLD_REQ_COMPL      0x8
 263 #define BNX2FC_FLAG_EXPL_LOGO           0x9
 264
 265         u32 max_sqes;
 266         u32 max_rqes;
 267         u32 max_cqes;
 268
 269         struct fcoe_sqe *sq;
 270         dma_addr_t sq_dma;
 271         u16 sq_prod_idx;
 272         u8 sq_curr_toggle_bit;
 273         u32 sq_mem_size;
 274
 275         struct fcoe_cqe *cq;
 276         dma_addr_t cq_dma;
 277         u32 cq_cons_idx;
 278         u8 cq_curr_toggle_bit;
 279         u32 cq_mem_size;
 280
 281         void *rq;
 282         dma_addr_t rq_dma;
 283         u32 rq_prod_idx;
 284         u32 rq_cons_idx;
 285         u32 rq_mem_size;
 286
 287         void *rq_pbl;
 288         dma_addr_t rq_pbl_dma;
 289         u32 rq_pbl_size;
 290
 291         struct fcoe_xfrqe *xferq;
 292         dma_addr_t xferq_dma;
 293         u32 xferq_mem_size;
 294
 295         struct fcoe_confqe *confq;
 296         dma_addr_t confq_dma;
 297         u32 confq_mem_size;
 298
 299         void *confq_pbl;
 300         dma_addr_t confq_pbl_dma;
 301         u32 confq_pbl_size;
 302
 303         struct fcoe_conn_db *conn_db;
 304         dma_addr_t conn_db_dma;
 305         u32 conn_db_mem_size;
 306
 307         struct fcoe_sqe *lcq;
 308         dma_addr_t lcq_dma;
 309         u32 lcq_mem_size;
 310
 311         void *ofld_req[4];
 312         dma_addr_t ofld_req_dma[4];
 313         void *enbl_req;
 314         dma_addr_t enbl_req_dma;
 315
 316         spinlock_t tgt_lock;
 317         spinlock_t cq_lock;
 318         atomic_t num_active_ios;
 319         u32 flush_in_prog;
 320         unsigned long work_time_slice;
 321         unsigned long timestamp;
 322         struct list_head free_task_list;
 323         struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
 324         atomic_t pi;
 325         atomic_t ci;
 326         struct list_head active_cmd_queue;
 327         struct list_head els_queue;
 328         struct list_head io_retire_queue;
 329         struct list_head active_tm_queue;
 330
 331         struct timer_list ofld_timer;
 332         wait_queue_head_t ofld_wait;
 333
 334         struct timer_list upld_timer;
 335         wait_queue_head_t upld_wait;
 336 };
 337
 338 struct bnx2fc_mp_req {
 339         u8 tm_flags;
 340
 341         u32 req_len;
 342         void *req_buf;
 343         dma_addr_t req_buf_dma;
 344         struct fcoe_bd_ctx *mp_req_bd;
 345         dma_addr_t mp_req_bd_dma;
 346         struct fc_frame_header req_fc_hdr;
 347
 348         u32 resp_len;
 349         void *resp_buf;
 350         dma_addr_t resp_buf_dma;
 351         struct fcoe_bd_ctx *mp_resp_bd;
 352         dma_addr_t mp_resp_bd_dma;
 353         struct fc_frame_header resp_fc_hdr;
 354 };
 355
 356 struct bnx2fc_els_cb_arg {
 357         struct bnx2fc_cmd *aborted_io_req;
 358         struct bnx2fc_cmd *io_req;
 359         u16 l2_oxid;
 360 };
 361
 362 /* bnx2fc command structure */
 363 struct bnx2fc_cmd {
 364         struct list_head link;
 365         u8 on_active_queue;
 366         u8 on_tmf_queue;
 367         u8 cmd_type;
 368 #define BNX2FC_SCSI_CMD         1
 369 #define BNX2FC_TASK_MGMT_CMD            2
 370 #define BNX2FC_ABTS                     3
 371 #define BNX2FC_ELS                      4
 372 #define BNX2FC_CLEANUP                  5
 373         u8 io_req_flags;
 374         struct kref refcount;
 375         struct fcoe_port *port;
 376         struct bnx2fc_rport *tgt;
 377         struct scsi_cmnd *sc_cmd;
 378         struct bnx2fc_cmd_mgr *cmd_mgr;
 379         struct bnx2fc_mp_req mp_req;
 380         void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
 381         struct bnx2fc_els_cb_arg *cb_arg;
 382         struct delayed_work timeout_work; /* timer for ULP timeouts */
 383         struct completion tm_done;
 384         int wait_for_comp;
 385         u16 xid;
 386         struct fcoe_task_ctx_entry *task;
 387         struct io_bdt *bd_tbl;
 388         struct fcp_rsp *rsp;
 389         size_t data_xfer_len;
 390         unsigned long req_flags;
 391 #define BNX2FC_FLAG_ISSUE_RRQ           0x1
 392 #define BNX2FC_FLAG_ISSUE_ABTS          0x2
 393 #define BNX2FC_FLAG_ABTS_DONE           0x3
 394 #define BNX2FC_FLAG_TM_COMPL            0x4
 395 #define BNX2FC_FLAG_TM_TIMEOUT          0x5
 396 #define BNX2FC_FLAG_IO_CLEANUP          0x6
 397 #define BNX2FC_FLAG_RETIRE_OXID         0x7
 398 #define BNX2FC_FLAG_EH_ABORT            0x8
 399 #define BNX2FC_FLAG_IO_COMPL            0x9
 400 #define BNX2FC_FLAG_ELS_DONE            0xa
 401 #define BNX2FC_FLAG_ELS_TIMEOUT         0xb
 402         u32 fcp_resid;
 403         u32 fcp_rsp_len;
 404         u32 fcp_sns_len;
 405         u8 cdb_status; /* SCSI IO status */
 406         u8 fcp_status; /* FCP IO status */
 407         u8 fcp_rsp_code;
 408         u8 scsi_comp_flags;
 409 };
 410
 411 struct io_bdt {
 412         struct bnx2fc_cmd *io_req;
 413         struct fcoe_bd_ctx *bd_tbl;
 414         dma_addr_t bd_tbl_dma;
 415         u16 bd_valid;
 416 };
 417
 418 struct bnx2fc_work {
 419         struct list_head list;
 420         struct bnx2fc_rport *tgt;
 421         u16 wqe;
 422 };
 423 struct bnx2fc_unsol_els {
 424         struct fc_lport *lport;
 425         struct fc_frame *fp;
 426         struct work_struct unsol_els_work;
 427 };
 428
 429
 430
 431 struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
 432 void bnx2fc_cmd_release(struct kref *ref);
 433 int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
 434 int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
 435 int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
 436 int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
 437                                         struct bnx2fc_rport *tgt);
 438 int bnx2fc_send_session_disable_req(struct fcoe_port *port,
 439                                     struct bnx2fc_rport *tgt);
 440 int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
 441                                         struct bnx2fc_rport *tgt);
 442 int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
 443 void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
 444                                         u32 num_cqe);
 445 int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
 446 void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
 447 int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
 448 void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
 449 struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba,
 450                                                 u16 min_xid, u16 max_xid);
 451 void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
 452 void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
 453 char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
 454 void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
 455 int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
 456 int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
 457 int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
 458 int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp);
 459 int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
 460 int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
 461 int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
 462 void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
 463                           unsigned int timer_msec);
 464 int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
 465 void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
 466                               struct fcoe_task_ctx_entry *task,
 467                               u16 orig_xid);
 468 void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
 469                          struct fcoe_task_ctx_entry *task);
 470 void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
 471                              struct fcoe_task_ctx_entry *task);
 472 void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
 473 void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
 474 int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
 475 int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
 476 int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
 477 int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
 478 void bnx2fc_rport_event_handler(struct fc_lport *lport,
 479                                 struct fc_rport_priv *rport,
 480                                 enum fc_rport_event event);
 481 void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
 482                                    struct fcoe_task_ctx_entry *task,
 483                                    u8 num_rq);
 484 void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
 485                                struct fcoe_task_ctx_entry *task,
 486                                u8 num_rq);
 487 void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
 488                                struct fcoe_task_ctx_entry *task,
 489                                u8 num_rq);
 490 void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
 491                              struct fcoe_task_ctx_entry *task,
 492                              u8 num_rq);
 493 void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
 494                               struct fcoe_task_ctx_entry *task,
 495                               u8 num_rq);
 496 void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
 497                            struct fcp_cmnd *fcp_cmnd);
 498
 499
 500
 501 void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
 502 struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
 503                                       struct fc_frame *fp, unsigned int op,
 504                                       void (*resp)(struct fc_seq *,
 505                                                    struct fc_frame *,
 506                                                    void *),
 507                                       void *arg, u32 timeout);
 508 int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
 509 void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
 510 struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
 511                                              u32 port_id);
 512 void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
 513                                    unsigned char *buf,
 514                                    u32 frame_len, u16 l2_oxid);
 515 int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
 516
 517 #endif