drivers/scsi/bnx2fc/bnx2fc_fcoe.c

   1 /* bnx2fc_fcoe.c: QLogic Linux FCoE offload driver.
   2  * This file contains the code that interacts with libfc, libfcoe,
   3  * cnic modules to create FCoE instances, send/receive non-offloaded
   4  * FIP/FCoE packets, listen to link events etc.
   5  *
   6  * Copyright (c) 2008-2013 Broadcom Corporation
   7  * Copyright (c) 2014-2016 QLogic Corporation
   8  * Copyright (c) 2016-2017 Cavium Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation.
  13  *
  14  * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com)
  15  */
  16
  17 #include "bnx2fc.h"
  18
  19 static struct list_head adapter_list;
  20 static struct list_head if_list;
  21 static u32 adapter_count;
  22 static DEFINE_MUTEX(bnx2fc_dev_lock);
  23 DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu);
  24
  25 #define DRV_MODULE_NAME         "bnx2fc"
  26 #define DRV_MODULE_VERSION      BNX2FC_VERSION
  27 #define DRV_MODULE_RELDATE      "October 15, 2015"
  28
  29
  30 static char version[] =
  31                 "QLogic FCoE Driver " DRV_MODULE_NAME \
  32                 " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  33
  34
  35 MODULE_AUTHOR("Bhanu Prakash Gollapudi <bprakash@broadcom.com>");
  36 MODULE_DESCRIPTION("QLogic FCoE Driver");
  37 MODULE_LICENSE("GPL");
  38 MODULE_VERSION(DRV_MODULE_VERSION);
  39
  40 #define BNX2FC_MAX_QUEUE_DEPTH  256
  41 #define BNX2FC_MIN_QUEUE_DEPTH  32
  42 #define FCOE_WORD_TO_BYTE  4
  43
  44 static struct scsi_transport_template   *bnx2fc_transport_template;
  45 static struct scsi_transport_template   *bnx2fc_vport_xport_template;
  46
  47 struct workqueue_struct *bnx2fc_wq;
  48
  49 /* bnx2fc structure needs only one instance of the fcoe_percpu_s structure.
  50  * Here the io threads are per cpu but the l2 thread is just one
  51  */
  52 struct fcoe_percpu_s bnx2fc_global;
  53 DEFINE_SPINLOCK(bnx2fc_global_lock);
  54
  55 static struct cnic_ulp_ops bnx2fc_cnic_cb;
  56 static struct libfc_function_template bnx2fc_libfc_fcn_templ;
  57 static struct scsi_host_template bnx2fc_shost_template;
  58 static struct fc_function_template bnx2fc_transport_function;
  59 static struct fcoe_sysfs_function_template bnx2fc_fcoe_sysfs_templ;
  60 static struct fc_function_template bnx2fc_vport_xport_function;
  61 static int bnx2fc_create(struct net_device *netdev, enum fip_mode fip_mode);
  62 static void __bnx2fc_destroy(struct bnx2fc_interface *interface);
  63 static int bnx2fc_destroy(struct net_device *net_device);
  64 static int bnx2fc_enable(struct net_device *netdev);
  65 static int bnx2fc_disable(struct net_device *netdev);
  66
  67 /* fcoe_syfs control interface handlers */
  68 static int bnx2fc_ctlr_alloc(struct net_device *netdev);
  69 static int bnx2fc_ctlr_enabled(struct fcoe_ctlr_device *cdev);
  70
  71 static void bnx2fc_recv_frame(struct sk_buff *skb);
  72
  73 static void bnx2fc_start_disc(struct bnx2fc_interface *interface);
  74 static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev);
  75 static int bnx2fc_lport_config(struct fc_lport *lport);
  76 static int bnx2fc_em_config(struct fc_lport *lport, struct bnx2fc_hba *hba);
  77 static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba);
  78 static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba);
  79 static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba);
  80 static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba);
  81 static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
  82                                   struct device *parent, int npiv);
  83 static void bnx2fc_port_destroy(struct fcoe_port *port);
  84
  85 static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev);
  86 static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device
  87                                                         *phys_dev);
  88 static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface);
  89 static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic);
  90
  91 static int bnx2fc_fw_init(struct bnx2fc_hba *hba);
  92 static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba);
  93
  94 static void bnx2fc_port_shutdown(struct fc_lport *lport);
  95 static void bnx2fc_stop(struct bnx2fc_interface *interface);
  96 static int __init bnx2fc_mod_init(void);
  97 static void __exit bnx2fc_mod_exit(void);
  98
  99 unsigned int bnx2fc_debug_level;
 100 module_param_named(debug_logging, bnx2fc_debug_level, int, S_IRUGO|S_IWUSR);
 101 MODULE_PARM_DESC(debug_logging,
 102                 "Option to enable extended logging,\n"
 103                 "\t\tDefault is 0 - no logging.\n"
 104                 "\t\t0x01 - SCSI cmd error, cleanup.\n"
 105                 "\t\t0x02 - Session setup, cleanup, etc.\n"
 106                 "\t\t0x04 - lport events, link, mtu, etc.\n"
 107                 "\t\t0x08 - ELS logs.\n"
 108                 "\t\t0x10 - fcoe L2 fame related logs.\n"
 109                 "\t\t0xff - LOG all messages.");
 110
 111 uint bnx2fc_devloss_tmo;
 112 module_param_named(devloss_tmo, bnx2fc_devloss_tmo, uint, S_IRUGO);
 113 MODULE_PARM_DESC(devloss_tmo, " Change devloss_tmo for the remote ports "
 114         "attached via bnx2fc.");
 115
 116 uint bnx2fc_max_luns = BNX2FC_MAX_LUN;
 117 module_param_named(max_luns, bnx2fc_max_luns, uint, S_IRUGO);
 118 MODULE_PARM_DESC(max_luns, " Change the default max_lun per SCSI host. Default "
 119         "0xffff.");
 120
 121 uint bnx2fc_queue_depth;
 122 module_param_named(queue_depth, bnx2fc_queue_depth, uint, S_IRUGO);
 123 MODULE_PARM_DESC(queue_depth, " Change the default queue depth of SCSI devices "
 124         "attached via bnx2fc.");
 125
 126 uint bnx2fc_log_fka;
 127 module_param_named(log_fka, bnx2fc_log_fka, uint, S_IRUGO|S_IWUSR);
 128 MODULE_PARM_DESC(log_fka, " Print message to kernel log when fcoe is "
 129         "initiating a FIP keep alive when debug logging is enabled.");
 130
 131 static inline struct net_device *bnx2fc_netdev(const struct fc_lport *lport)
 132 {
 133         return ((struct bnx2fc_interface *)
 134                 ((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
 135 }
 136
 137 static void bnx2fc_fcf_get_vlan_id(struct fcoe_fcf_device *fcf_dev)
 138 {
 139         struct fcoe_ctlr_device *ctlr_dev =
 140                 fcoe_fcf_dev_to_ctlr_dev(fcf_dev);
 141         struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev);
 142         struct bnx2fc_interface *fcoe = fcoe_ctlr_priv(ctlr);
 143
 144         fcf_dev->vlan_id = fcoe->vlan_id;
 145 }
 146
 147 static void bnx2fc_clean_rx_queue(struct fc_lport *lp)
 148 {
 149         struct fcoe_percpu_s *bg;
 150         struct fcoe_rcv_info *fr;
 151         struct sk_buff_head *list;
 152         struct sk_buff *skb, *next;
 153         struct sk_buff *head;
 154
 155         bg = &bnx2fc_global;
 156         spin_lock_bh(&bg->fcoe_rx_list.lock);
 157         list = &bg->fcoe_rx_list;
 158         head = list->next;
 159         for (skb = head; skb != (struct sk_buff *)list;
 160              skb = next) {
 161                 next = skb->next;
 162                 fr = fcoe_dev_from_skb(skb);
 163                 if (fr->fr_dev == lp) {
 164                         __skb_unlink(skb, list);
 165                         kfree_skb(skb);
 166                 }
 167         }
 168         spin_unlock_bh(&bg->fcoe_rx_list.lock);
 169 }
 170
 171 int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen)
 172 {
 173         int rc;
 174         spin_lock(&bnx2fc_global_lock);
 175         rc = fcoe_get_paged_crc_eof(skb, tlen, &bnx2fc_global);
 176         spin_unlock(&bnx2fc_global_lock);
 177
 178         return rc;
 179 }
 180
 181 static void bnx2fc_abort_io(struct fc_lport *lport)
 182 {
 183         /*
 184          * This function is no-op for bnx2fc, but we do
 185          * not want to leave it as NULL either, as libfc
 186          * can call the default function which is
 187          * fc_fcp_abort_io.
 188          */
 189 }
 190
 191 static void bnx2fc_cleanup(struct fc_lport *lport)
 192 {
 193         struct fcoe_port *port = lport_priv(lport);
 194         struct bnx2fc_interface *interface = port->priv;
 195         struct bnx2fc_hba *hba = interface->hba;
 196         struct bnx2fc_rport *tgt;
 197         int i;
 198
 199         BNX2FC_MISC_DBG("Entered %s\n", __func__);
 200         mutex_lock(&hba->hba_mutex);
 201         spin_lock_bh(&hba->hba_lock);
 202         for (i = 0; i < BNX2FC_NUM_MAX_SESS; i++) {
 203                 tgt = hba->tgt_ofld_list[i];
 204                 if (tgt) {
 205                         /* Cleanup IOs belonging to requested vport */
 206                         if (tgt->port == port) {
 207                                 spin_unlock_bh(&hba->hba_lock);
 208                                 BNX2FC_TGT_DBG(tgt, "flush/cleanup\n");
 209                                 bnx2fc_flush_active_ios(tgt);
 210                                 spin_lock_bh(&hba->hba_lock);
 211                         }
 212                 }
 213         }
 214         spin_unlock_bh(&hba->hba_lock);
 215         mutex_unlock(&hba->hba_mutex);
 216 }
 217
 218 static int bnx2fc_xmit_l2_frame(struct bnx2fc_rport *tgt,
 219                              struct fc_frame *fp)
 220 {
 221         struct fc_rport_priv *rdata = tgt->rdata;
 222         struct fc_frame_header *fh;
 223         int rc = 0;
 224
 225         fh = fc_frame_header_get(fp);
 226         BNX2FC_TGT_DBG(tgt, "Xmit L2 frame rport = 0x%x, oxid = 0x%x, "
 227                         "r_ctl = 0x%x\n", rdata->ids.port_id,
 228                         ntohs(fh->fh_ox_id), fh->fh_r_ctl);
 229         if ((fh->fh_type == FC_TYPE_ELS) &&
 230             (fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
 231
 232                 switch (fc_frame_payload_op(fp)) {
 233                 case ELS_ADISC:
 234                         rc = bnx2fc_send_adisc(tgt, fp);
 235                         break;
 236                 case ELS_LOGO:
 237                         rc = bnx2fc_send_logo(tgt, fp);
 238                         break;
 239                 case ELS_RLS:
 240                         rc = bnx2fc_send_rls(tgt, fp);
 241                         break;
 242                 default:
 243                         break;
 244                 }
 245         } else if ((fh->fh_type ==  FC_TYPE_BLS) &&
 246             (fh->fh_r_ctl == FC_RCTL_BA_ABTS))
 247                 BNX2FC_TGT_DBG(tgt, "ABTS frame\n");
 248         else {
 249                 BNX2FC_TGT_DBG(tgt, "Send L2 frame type 0x%x "
 250                                 "rctl 0x%x thru non-offload path\n",
 251                                 fh->fh_type, fh->fh_r_ctl);
 252                 return -ENODEV;
 253         }
 254         if (rc)
 255                 return -ENOMEM;
 256         else
 257                 return 0;
 258 }
 259
 260 /**
 261  * bnx2fc_xmit - bnx2fc's FCoE frame transmit function
 262  *
 263  * @lport:      the associated local port
 264  * @fp: the fc_frame to be transmitted
 265  */
 266 static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
 267 {
 268         struct ethhdr           *eh;
 269         struct fcoe_crc_eof     *cp;
 270         struct sk_buff          *skb;
 271         struct fc_frame_header  *fh;
 272         struct bnx2fc_interface *interface;
 273         struct fcoe_ctlr        *ctlr;
 274         struct bnx2fc_hba *hba;
 275         struct fcoe_port        *port;
 276         struct fcoe_hdr         *hp;
 277         struct bnx2fc_rport     *tgt;
 278         struct fc_stats         *stats;
 279         u8                      sof, eof;
 280         u32                     crc;
 281         unsigned int            hlen, tlen, elen;
 282         int                     wlen, rc = 0;
 283
 284         port = (struct fcoe_port *)lport_priv(lport);
 285         interface = port->priv;
 286         ctlr = bnx2fc_to_ctlr(interface);
 287         hba = interface->hba;
 288
 289         fh = fc_frame_header_get(fp);
 290
 291         skb = fp_skb(fp);
 292         if (!lport->link_up) {
 293                 BNX2FC_HBA_DBG(lport, "bnx2fc_xmit link down\n");
 294                 kfree_skb(skb);
 295                 return 0;
 296         }
 297
 298         if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
 299                 if (!ctlr->sel_fcf) {
 300                         BNX2FC_HBA_DBG(lport, "FCF not selected yet!\n");
 301                         kfree_skb(skb);
 302                         return -EINVAL;
 303                 }
 304                 if (fcoe_ctlr_els_send(ctlr, lport, skb))
 305                         return 0;
 306         }
 307
 308         sof = fr_sof(fp);
 309         eof = fr_eof(fp);
 310
 311         /*
 312          * Snoop the frame header to check if the frame is for
 313          * an offloaded session
 314          */
 315         /*
 316          * tgt_ofld_list access is synchronized using
 317          * both hba mutex and hba lock. Atleast hba mutex or
 318          * hba lock needs to be held for read access.
 319          */
 320
 321         spin_lock_bh(&hba->hba_lock);
 322         tgt = bnx2fc_tgt_lookup(port, ntoh24(fh->fh_d_id));
 323         if (tgt && (test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags))) {
 324                 /* This frame is for offloaded session */
 325                 BNX2FC_HBA_DBG(lport, "xmit: Frame is for offloaded session "
 326                                 "port_id = 0x%x\n", ntoh24(fh->fh_d_id));
 327                 spin_unlock_bh(&hba->hba_lock);
 328                 rc = bnx2fc_xmit_l2_frame(tgt, fp);
 329                 if (rc != -ENODEV) {
 330                         kfree_skb(skb);
 331                         return rc;
 332                 }
 333         } else {
 334                 spin_unlock_bh(&hba->hba_lock);
 335         }
 336
 337         elen = sizeof(struct ethhdr);
 338         hlen = sizeof(struct fcoe_hdr);
 339         tlen = sizeof(struct fcoe_crc_eof);
 340         wlen = (skb->len - tlen + sizeof(crc)) / FCOE_WORD_TO_BYTE;
 341
 342         skb->ip_summed = CHECKSUM_NONE;
 343         crc = fcoe_fc_crc(fp);
 344
 345         /* copy port crc and eof to the skb buff */
 346         if (skb_is_nonlinear(skb)) {
 347                 skb_frag_t *frag;
 348                 if (bnx2fc_get_paged_crc_eof(skb, tlen)) {
 349                         kfree_skb(skb);
 350                         return -ENOMEM;
 351                 }
 352                 frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
 353                 cp = kmap_atomic(skb_frag_page(frag)) + frag->page_offset;
 354         } else {
 355                 cp = skb_put(skb, tlen);
 356         }
 357
 358         memset(cp, 0, sizeof(*cp));
 359         cp->fcoe_eof = eof;
 360         cp->fcoe_crc32 = cpu_to_le32(~crc);
 361         if (skb_is_nonlinear(skb)) {
 362                 kunmap_atomic(cp);
 363                 cp = NULL;
 364         }
 365
 366         /* adjust skb network/transport offsets to match mac/fcoe/port */
 367         skb_push(skb, elen + hlen);
 368         skb_reset_mac_header(skb);
 369         skb_reset_network_header(skb);
 370         skb->mac_len = elen;
 371         skb->protocol = htons(ETH_P_FCOE);
 372         skb->dev = interface->netdev;
 373
 374         /* fill up mac and fcoe headers */
 375         eh = eth_hdr(skb);
 376         eh->h_proto = htons(ETH_P_FCOE);
 377         if (ctlr->map_dest)
 378                 fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id);
 379         else
 380                 /* insert GW address */
 381                 memcpy(eh->h_dest, ctlr->dest_addr, ETH_ALEN);
 382
 383         if (unlikely(ctlr->flogi_oxid != FC_XID_UNKNOWN))
 384                 memcpy(eh->h_source, ctlr->ctl_src_addr, ETH_ALEN);
 385         else
 386                 memcpy(eh->h_source, port->data_src_addr, ETH_ALEN);
 387
 388         hp = (struct fcoe_hdr *)(eh + 1);
 389         memset(hp, 0, sizeof(*hp));
 390         if (FC_FCOE_VER)
 391                 FC_FCOE_ENCAPS_VER(hp, FC_FCOE_VER);
 392         hp->fcoe_sof = sof;
 393
 394         /* fcoe lso, mss is in max_payload which is non-zero for FCP data */
 395         if (lport->seq_offload && fr_max_payload(fp)) {
 396                 skb_shinfo(skb)->gso_type = SKB_GSO_FCOE;
 397                 skb_shinfo(skb)->gso_size = fr_max_payload(fp);
 398         } else {
 399                 skb_shinfo(skb)->gso_type = 0;
 400                 skb_shinfo(skb)->gso_size = 0;
 401         }
 402
 403         /*update tx stats */
 404         stats = per_cpu_ptr(lport->stats, get_cpu());
 405         stats->TxFrames++;
 406         stats->TxWords += wlen;
 407         put_cpu();
 408
 409         /* send down to lld */
 410         fr_dev(fp) = lport;
 411         if (port->fcoe_pending_queue.qlen)
 412                 fcoe_check_wait_queue(lport, skb);
 413         else if (fcoe_start_io(skb))
 414                 fcoe_check_wait_queue(lport, skb);
 415
 416         return 0;
 417 }
 418
 419 /**
 420  * bnx2fc_rcv - This is bnx2fc's receive function called by NET_RX_SOFTIRQ
 421  *
 422  * @skb:        the receive socket buffer
 423  * @dev:        associated net device
 424  * @ptype:      context
 425  * @olddev:     last device
 426  *
 427  * This function receives the packet and builds FC frame and passes it up
 428  */
 429 static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
 430                 struct packet_type *ptype, struct net_device *olddev)
 431 {
 432         struct fc_lport *lport;
 433         struct bnx2fc_interface *interface;
 434         struct fcoe_ctlr *ctlr;
 435         struct fc_frame_header *fh;
 436         struct fcoe_rcv_info *fr;
 437         struct fcoe_percpu_s *bg;
 438         struct sk_buff *tmp_skb;
 439         unsigned short oxid;
 440
 441         interface = container_of(ptype, struct bnx2fc_interface,
 442                                  fcoe_packet_type);
 443         ctlr = bnx2fc_to_ctlr(interface);
 444         lport = ctlr->lp;
 445
 446         if (unlikely(lport == NULL)) {
 447                 printk(KERN_ERR PFX "bnx2fc_rcv: lport is NULL\n");
 448                 goto err;
 449         }
 450
 451         tmp_skb = skb_share_check(skb, GFP_ATOMIC);
 452         if (!tmp_skb)
 453                 goto err;
 454
 455         skb = tmp_skb;
 456
 457         if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
 458                 printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n");
 459                 goto err;
 460         }
 461
 462         /*
 463          * Check for minimum frame length, and make sure required FCoE
 464          * and FC headers are pulled into the linear data area.
 465          */
 466         if (unlikely((skb->len < FCOE_MIN_FRAME) ||
 467             !pskb_may_pull(skb, FCOE_HEADER_LEN)))
 468                 goto err;
 469
 470         skb_set_transport_header(skb, sizeof(struct fcoe_hdr));
 471         fh = (struct fc_frame_header *) skb_transport_header(skb);
 472
 473         oxid = ntohs(fh->fh_ox_id);
 474
 475         fr = fcoe_dev_from_skb(skb);
 476         fr->fr_dev = lport;
 477
 478         bg = &bnx2fc_global;
 479         spin_lock(&bg->fcoe_rx_list.lock);
 480
 481         __skb_queue_tail(&bg->fcoe_rx_list, skb);
 482         if (bg->fcoe_rx_list.qlen == 1)
 483                 wake_up_process(bg->kthread);
 484
 485         spin_unlock(&bg->fcoe_rx_list.lock);
 486
 487         return 0;
 488 err:
 489         kfree_skb(skb);
 490         return -1;
 491 }
 492
 493 static int bnx2fc_l2_rcv_thread(void *arg)
 494 {
 495         struct fcoe_percpu_s *bg = arg;
 496         struct sk_buff *skb;
 497
 498         set_user_nice(current, MIN_NICE);
 499         set_current_state(TASK_INTERRUPTIBLE);
 500         while (!kthread_should_stop()) {
 501                 schedule();
 502                 spin_lock_bh(&bg->fcoe_rx_list.lock);
 503                 while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL) {
 504                         spin_unlock_bh(&bg->fcoe_rx_list.lock);
 505                         bnx2fc_recv_frame(skb);
 506                         spin_lock_bh(&bg->fcoe_rx_list.lock);
 507                 }
 508                 __set_current_state(TASK_INTERRUPTIBLE);
 509                 spin_unlock_bh(&bg->fcoe_rx_list.lock);
 510         }
 511         __set_current_state(TASK_RUNNING);
 512         return 0;
 513 }
 514
 515
 516 static void bnx2fc_recv_frame(struct sk_buff *skb)
 517 {
 518         u64 crc_err;
 519         u32 fr_len, fr_crc;
 520         struct fc_lport *lport;
 521         struct fcoe_rcv_info *fr;
 522         struct fc_stats *stats;
 523         struct fc_frame_header *fh;
 524         struct fcoe_crc_eof crc_eof;
 525         struct fc_frame *fp;
 526         struct fc_lport *vn_port;
 527         struct fcoe_port *port, *phys_port;
 528         u8 *mac = NULL;
 529         u8 *dest_mac = NULL;
 530         struct fcoe_hdr *hp;
 531         struct bnx2fc_interface *interface;
 532         struct fcoe_ctlr *ctlr;
 533
 534         fr = fcoe_dev_from_skb(skb);
 535         lport = fr->fr_dev;
 536         if (unlikely(lport == NULL)) {
 537                 printk(KERN_ERR PFX "Invalid lport struct\n");
 538                 kfree_skb(skb);
 539                 return;
 540         }
 541
 542         if (skb_is_nonlinear(skb))
 543                 skb_linearize(skb);
 544         mac = eth_hdr(skb)->h_source;
 545         dest_mac = eth_hdr(skb)->h_dest;
 546
 547         /* Pull the header */
 548         hp = (struct fcoe_hdr *) skb_network_header(skb);
 549         fh = (struct fc_frame_header *) skb_transport_header(skb);
 550         skb_pull(skb, sizeof(struct fcoe_hdr));
 551         fr_len = skb->len - sizeof(struct fcoe_crc_eof);
 552
 553         stats = per_cpu_ptr(lport->stats, get_cpu());
 554         stats->RxFrames++;
 555         stats->RxWords += fr_len / FCOE_WORD_TO_BYTE;
 556         put_cpu();
 557
 558         fp = (struct fc_frame *)skb;
 559         fc_frame_init(fp);
 560         fr_dev(fp) = lport;
 561         fr_sof(fp) = hp->fcoe_sof;
 562         if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) {
 563                 kfree_skb(skb);
 564                 return;
 565         }
 566         fr_eof(fp) = crc_eof.fcoe_eof;
 567         fr_crc(fp) = crc_eof.fcoe_crc32;
 568         if (pskb_trim(skb, fr_len)) {
 569                 kfree_skb(skb);
 570                 return;
 571         }
 572
 573         phys_port = lport_priv(lport);
 574         interface = phys_port->priv;
 575         ctlr = bnx2fc_to_ctlr(interface);
 576
 577         fh = fc_frame_header_get(fp);
 578
 579         if (ntoh24(&dest_mac[3]) != ntoh24(fh->fh_d_id)) {
 580                 BNX2FC_HBA_DBG(lport, "FC frame d_id mismatch with MAC %pM.\n",
 581                     dest_mac);
 582                 kfree_skb(skb);
 583                 return;
 584         }
 585
 586         vn_port = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id));
 587         if (vn_port) {
 588                 port = lport_priv(vn_port);
 589                 if (!ether_addr_equal(port->data_src_addr, dest_mac)) {
 590                         BNX2FC_HBA_DBG(lport, "fpma mismatch\n");
 591                         kfree_skb(skb);
 592                         return;
 593                 }
 594         }
 595         if (ctlr->state) {
 596                 if (!ether_addr_equal(mac, ctlr->dest_addr)) {
 597                         BNX2FC_HBA_DBG(lport, "Wrong source address: mac:%pM dest_addr:%pM.\n",
 598                             mac, ctlr->dest_addr);
 599                         kfree_skb(skb);
 600                         return;
 601                 }
 602         }
 603         if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA &&
 604             fh->fh_type == FC_TYPE_FCP) {
 605                 /* Drop FCP data. We dont this in L2 path */
 606                 kfree_skb(skb);
 607                 return;
 608         }
 609         if (fh->fh_r_ctl == FC_RCTL_ELS_REQ &&
 610             fh->fh_type == FC_TYPE_ELS) {
 611                 switch (fc_frame_payload_op(fp)) {
 612                 case ELS_LOGO:
 613                         if (ntoh24(fh->fh_s_id) == FC_FID_FLOGI) {
 614                                 /* drop non-FIP LOGO */
 615                                 kfree_skb(skb);
 616                                 return;
 617                         }
 618                         break;
 619                 }
 620         }
 621
 622         if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) {
 623                 /* Drop incoming ABTS */
 624                 kfree_skb(skb);
 625                 return;
 626         }
 627
 628         /*
 629          * If the destination ID from the frame header does not match what we
 630          * have on record for lport and the search for a NPIV port came up
 631          * empty then this is not addressed to our port so simply drop it.
 632          */
 633         if (lport->port_id != ntoh24(fh->fh_d_id) && !vn_port) {
 634                 BNX2FC_HBA_DBG(lport, "Dropping frame due to destination mismatch: lport->port_id=%x fh->d_id=%x.\n",
 635                     lport->port_id, ntoh24(fh->fh_d_id));
 636                 kfree_skb(skb);
 637                 return;
 638         }
 639
 640         fr_crc = le32_to_cpu(fr_crc(fp));
 641
 642         if (unlikely(fr_crc != ~crc32(~0, skb->data, fr_len))) {
 643                 stats = per_cpu_ptr(lport->stats, get_cpu());
 644                 crc_err = (stats->InvalidCRCCount++);
 645                 put_cpu();
 646                 if (crc_err < 5)
 647                         printk(KERN_WARNING PFX "dropping frame with "
 648                                "CRC error\n");
 649                 kfree_skb(skb);
 650                 return;
 651         }
 652         fc_exch_recv(lport, fp);
 653 }
 654
 655 /**
 656  * bnx2fc_percpu_io_thread - thread per cpu for ios
 657  *
 658  * @arg:        ptr to bnx2fc_percpu_info structure
 659  */
 660 static int bnx2fc_percpu_io_thread(void *arg)
 661 {
 662         struct bnx2fc_percpu_s *p = arg;
 663         struct bnx2fc_work *work, *tmp;
 664         LIST_HEAD(work_list);
 665
 666         set_user_nice(current, MIN_NICE);
 667         set_current_state(TASK_INTERRUPTIBLE);
 668         while (!kthread_should_stop()) {
 669                 schedule();
 670                 spin_lock_bh(&p->fp_work_lock);
 671                 while (!list_empty(&p->work_list)) {
 672                         list_splice_init(&p->work_list, &work_list);
 673                         spin_unlock_bh(&p->fp_work_lock);
 674
 675                         list_for_each_entry_safe(work, tmp, &work_list, list) {
 676                                 list_del_init(&work->list);
 677                                 bnx2fc_process_cq_compl(work->tgt, work->wqe);
 678                                 kfree(work);
 679                         }
 680
 681                         spin_lock_bh(&p->fp_work_lock);
 682                 }
 683                 __set_current_state(TASK_INTERRUPTIBLE);
 684                 spin_unlock_bh(&p->fp_work_lock);
 685         }
 686         __set_current_state(TASK_RUNNING);
 687
 688         return 0;
 689 }
 690
 691 static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost)
 692 {
 693         struct fc_host_statistics *bnx2fc_stats;
 694         struct fc_lport *lport = shost_priv(shost);
 695         struct fcoe_port *port = lport_priv(lport);
 696         struct bnx2fc_interface *interface = port->priv;
 697         struct bnx2fc_hba *hba = interface->hba;
 698         struct fcoe_statistics_params *fw_stats;
 699         int rc = 0;
 700
 701         fw_stats = (struct fcoe_statistics_params *)hba->stats_buffer;
 702         if (!fw_stats)
 703                 return NULL;
 704
 705         mutex_lock(&hba->hba_stats_mutex);
 706
 707         bnx2fc_stats = fc_get_host_stats(shost);
 708
 709         init_completion(&hba->stat_req_done);
 710         if (bnx2fc_send_stat_req(hba))
 711                 goto unlock_stats_mutex;
 712         rc = wait_for_completion_timeout(&hba->stat_req_done, (2 * HZ));
 713         if (!rc) {
 714                 BNX2FC_HBA_DBG(lport, "FW stat req timed out\n");
 715                 goto unlock_stats_mutex;
 716         }
 717         BNX2FC_STATS(hba, rx_stat2, fc_crc_cnt);
 718         bnx2fc_stats->invalid_crc_count += hba->bfw_stats.fc_crc_cnt;
 719         BNX2FC_STATS(hba, tx_stat, fcoe_tx_pkt_cnt);
 720         bnx2fc_stats->tx_frames += hba->bfw_stats.fcoe_tx_pkt_cnt;
 721         BNX2FC_STATS(hba, tx_stat, fcoe_tx_byte_cnt);
 722         bnx2fc_stats->tx_words += ((hba->bfw_stats.fcoe_tx_byte_cnt) / 4);
 723         BNX2FC_STATS(hba, rx_stat0, fcoe_rx_pkt_cnt);
 724         bnx2fc_stats->rx_frames += hba->bfw_stats.fcoe_rx_pkt_cnt;
 725         BNX2FC_STATS(hba, rx_stat0, fcoe_rx_byte_cnt);
 726         bnx2fc_stats->rx_words += ((hba->bfw_stats.fcoe_rx_byte_cnt) / 4);
 727
 728         bnx2fc_stats->dumped_frames = 0;
 729         bnx2fc_stats->lip_count = 0;
 730         bnx2fc_stats->nos_count = 0;
 731         bnx2fc_stats->loss_of_sync_count = 0;
 732         bnx2fc_stats->loss_of_signal_count = 0;
 733         bnx2fc_stats->prim_seq_protocol_err_count = 0;
 734
 735         memcpy(&hba->prev_stats, hba->stats_buffer,
 736                sizeof(struct fcoe_statistics_params));
 737
 738 unlock_stats_mutex:
 739         mutex_unlock(&hba->hba_stats_mutex);
 740         return bnx2fc_stats;
 741 }
 742
 743 static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev)
 744 {
 745         struct fcoe_port *port = lport_priv(lport);
 746         struct bnx2fc_interface *interface = port->priv;
 747         struct bnx2fc_hba *hba = interface->hba;
 748         struct Scsi_Host *shost = lport->host;
 749         int rc = 0;
 750
 751         shost->max_cmd_len = BNX2FC_MAX_CMD_LEN;
 752         shost->max_lun = bnx2fc_max_luns;
 753         shost->max_id = BNX2FC_MAX_FCP_TGT;
 754         shost->max_channel = 0;
 755         if (lport->vport)
 756                 shost->transportt = bnx2fc_vport_xport_template;
 757         else
 758                 shost->transportt = bnx2fc_transport_template;
 759
 760         /* Add the new host to SCSI-ml */
 761         rc = scsi_add_host(lport->host, dev);
 762         if (rc) {
 763                 printk(KERN_ERR PFX "Error on scsi_add_host\n");
 764                 return rc;
 765         }
 766         if (!lport->vport)
 767                 fc_host_max_npiv_vports(lport->host) = USHRT_MAX;
 768         snprintf(fc_host_symbolic_name(lport->host), 256,
 769                  "%s (QLogic %s) v%s over %s",
 770                 BNX2FC_NAME, hba->chip_num, BNX2FC_VERSION,
 771                 interface->netdev->name);
 772
 773         return 0;
 774 }
 775
 776 static int bnx2fc_link_ok(struct fc_lport *lport)
 777 {
 778         struct fcoe_port *port = lport_priv(lport);
 779         struct bnx2fc_interface *interface = port->priv;
 780         struct bnx2fc_hba *hba = interface->hba;
 781         struct net_device *dev = hba->phys_dev;
 782         int rc = 0;
 783
 784         if ((dev->flags & IFF_UP) && netif_carrier_ok(dev))
 785                 clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 786         else {
 787                 set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 788                 rc = -1;
 789         }
 790         return rc;
 791 }
 792
 793 /**
 794  * bnx2fc_get_link_state - get network link state
 795  *
 796  * @hba:        adapter instance pointer
 797  *
 798  * updates adapter structure flag based on netdev state
 799  */
 800 void bnx2fc_get_link_state(struct bnx2fc_hba *hba)
 801 {
 802         if (test_bit(__LINK_STATE_NOCARRIER, &hba->phys_dev->state))
 803                 set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 804         else
 805                 clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 806 }
 807
 808 static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev)
 809 {
 810         struct bnx2fc_hba *hba;
 811         struct bnx2fc_interface *interface;
 812         struct fcoe_ctlr *ctlr;
 813         struct fcoe_port *port;
 814         u64 wwnn, wwpn;
 815
 816         port = lport_priv(lport);
 817         interface = port->priv;
 818         ctlr = bnx2fc_to_ctlr(interface);
 819         hba = interface->hba;
 820
 821         /* require support for get_pauseparam ethtool op. */
 822         if (!hba->phys_dev->ethtool_ops ||
 823             !hba->phys_dev->ethtool_ops->get_pauseparam)
 824                 return -EOPNOTSUPP;
 825
 826         if (fc_set_mfs(lport, BNX2FC_MFS))
 827                 return -EINVAL;
 828
 829         skb_queue_head_init(&port->fcoe_pending_queue);
 830         port->fcoe_pending_queue_active = 0;
 831         timer_setup(&port->timer, fcoe_queue_timer, 0);
 832
 833         fcoe_link_speed_update(lport);
 834
 835         if (!lport->vport) {
 836                 if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN))
 837                         wwnn = fcoe_wwn_from_mac(ctlr->ctl_src_addr,
 838                                                  1, 0);
 839                 BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn);
 840                 fc_set_wwnn(lport, wwnn);
 841
 842                 if (fcoe_get_wwn(netdev, &wwpn, NETDEV_FCOE_WWPN))
 843                         wwpn = fcoe_wwn_from_mac(ctlr->ctl_src_addr,
 844                                                  2, 0);
 845
 846                 BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn);
 847                 fc_set_wwpn(lport, wwpn);
 848         }
 849
 850         return 0;
 851 }
 852
 853 static void bnx2fc_destroy_timer(struct timer_list *t)
 854 {
 855         struct bnx2fc_hba *hba = from_timer(hba, t, destroy_timer);
 856
 857         printk(KERN_ERR PFX "ERROR:bnx2fc_destroy_timer - "
 858                "Destroy compl not received!!\n");
 859         set_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags);
 860         wake_up_interruptible(&hba->destroy_wait);
 861 }
 862
 863 /**
 864  * bnx2fc_indicate_netevent - Generic netdev event handler
 865  *
 866  * @context:    adapter structure pointer
 867  * @event:      event type
 868  * @vlan_id:    vlan id - associated vlan id with this event
 869  *
 870  * Handles NETDEV_UP, NETDEV_DOWN, NETDEV_GOING_DOWN,NETDEV_CHANGE and
 871  * NETDEV_CHANGE_MTU events. Handle NETDEV_UNREGISTER only for vlans.
 872  */
 873 static void bnx2fc_indicate_netevent(void *context, unsigned long event,
 874                                      u16 vlan_id)
 875 {
 876         struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context;
 877         struct fcoe_ctlr_device *cdev;
 878         struct fc_lport *lport;
 879         struct fc_lport *vport;
 880         struct bnx2fc_interface *interface, *tmp;
 881         struct fcoe_ctlr *ctlr;
 882         int wait_for_upload = 0;
 883         u32 link_possible = 1;
 884
 885         if (vlan_id != 0 && event != NETDEV_UNREGISTER)
 886                 return;
 887
 888         switch (event) {
 889         case NETDEV_UP:
 890                 if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state))
 891                         printk(KERN_ERR "indicate_netevent: "\
 892                                         "hba is not UP!!\n");
 893                 break;
 894
 895         case NETDEV_DOWN:
 896                 clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
 897                 clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
 898                 link_possible = 0;
 899                 break;
 900
 901         case NETDEV_GOING_DOWN:
 902                 set_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
 903                 link_possible = 0;
 904                 break;
 905
 906         case NETDEV_CHANGE:
 907                 break;
 908
 909         case NETDEV_UNREGISTER:
 910                 if (!vlan_id)
 911                         return;
 912                 mutex_lock(&bnx2fc_dev_lock);
 913                 list_for_each_entry_safe(interface, tmp, &if_list, list) {
 914                         if (interface->hba == hba &&
 915                             interface->vlan_id == (vlan_id & VLAN_VID_MASK))
 916                                 __bnx2fc_destroy(interface);
 917                 }
 918                 mutex_unlock(&bnx2fc_dev_lock);
 919                 return;
 920
 921         default:
 922                 return;
 923         }
 924
 925         mutex_lock(&bnx2fc_dev_lock);
 926         list_for_each_entry(interface, &if_list, list) {
 927
 928                 if (interface->hba != hba)
 929                         continue;
 930
 931                 ctlr = bnx2fc_to_ctlr(interface);
 932                 lport = ctlr->lp;
 933                 BNX2FC_HBA_DBG(lport, "netevent handler - event=%s %ld\n",
 934                                 interface->netdev->name, event);
 935
 936                 fcoe_link_speed_update(lport);
 937
 938                 cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
 939
 940                 if (link_possible && !bnx2fc_link_ok(lport)) {
 941                         switch (cdev->enabled) {
 942                         case FCOE_CTLR_DISABLED:
 943                                 pr_info("Link up while interface is disabled.\n");
 944                                 break;
 945                         case FCOE_CTLR_ENABLED:
 946                         case FCOE_CTLR_UNUSED:
 947                                 /* Reset max recv frame size to default */
 948                                 fc_set_mfs(lport, BNX2FC_MFS);
 949                                 /*
 950                                  * ctlr link up will only be handled during
 951                                  * enable to avoid sending discovery
 952                                  * solicitation on a stale vlan
 953                                  */
 954                                 if (interface->enabled)
 955                                         fcoe_ctlr_link_up(ctlr);
 956                         };
 957                 } else if (fcoe_ctlr_link_down(ctlr)) {
 958                         switch (cdev->enabled) {
 959                         case FCOE_CTLR_DISABLED:
 960                                 pr_info("Link down while interface is disabled.\n");
 961                                 break;
 962                         case FCOE_CTLR_ENABLED:
 963                         case FCOE_CTLR_UNUSED:
 964                                 mutex_lock(&lport->lp_mutex);
 965                                 list_for_each_entry(vport, &lport->vports, list)
 966                                         fc_host_port_type(vport->host) =
 967                                         FC_PORTTYPE_UNKNOWN;
 968                                 mutex_unlock(&lport->lp_mutex);
 969                                 fc_host_port_type(lport->host) =
 970                                         FC_PORTTYPE_UNKNOWN;
 971                                 per_cpu_ptr(lport->stats,
 972                                             get_cpu())->LinkFailureCount++;
 973                                 put_cpu();
 974                                 fcoe_clean_pending_queue(lport);
 975                                 wait_for_upload = 1;
 976                         };
 977                 }
 978         }
 979         mutex_unlock(&bnx2fc_dev_lock);
 980
 981         if (wait_for_upload) {
 982                 clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
 983                 init_waitqueue_head(&hba->shutdown_wait);
 984                 BNX2FC_MISC_DBG("indicate_netevent "
 985                                 "num_ofld_sess = %d\n",
 986                                 hba->num_ofld_sess);
 987                 hba->wait_for_link_down = 1;
 988                 wait_event_interruptible(hba->shutdown_wait,
 989                                          (hba->num_ofld_sess == 0));
 990                 BNX2FC_MISC_DBG("wakeup - num_ofld_sess = %d\n",
 991                                 hba->num_ofld_sess);
 992                 hba->wait_for_link_down = 0;
 993
 994                 if (signal_pending(current))
 995                         flush_signals(current);
 996         }
 997 }
 998
 999 static int bnx2fc_libfc_config(struct fc_lport *lport)
1000 {
1001
1002         /* Set the function pointers set by bnx2fc driver */
1003         memcpy(&lport->tt, &bnx2fc_libfc_fcn_templ,
1004                 sizeof(struct libfc_function_template));
1005         fc_elsct_init(lport);
1006         fc_exch_init(lport);
1007         fc_disc_init(lport);
1008         fc_disc_config(lport, lport);
1009         return 0;
1010 }
1011
1012 static int bnx2fc_em_config(struct fc_lport *lport, struct bnx2fc_hba *hba)
1013 {
1014         int fcoe_min_xid, fcoe_max_xid;
1015
1016         fcoe_min_xid = hba->max_xid + 1;
1017         if (nr_cpu_ids <= 2)
1018                 fcoe_max_xid = hba->max_xid + FCOE_XIDS_PER_CPU_OFFSET;
1019         else
1020                 fcoe_max_xid = hba->max_xid + FCOE_MAX_XID_OFFSET;
1021         if (!fc_exch_mgr_alloc(lport, FC_CLASS_3, fcoe_min_xid,
1022                                fcoe_max_xid, NULL)) {
1023                 printk(KERN_ERR PFX "em_config:fc_exch_mgr_alloc failed\n");
1024                 return -ENOMEM;
1025         }
1026
1027         return 0;
1028 }
1029
1030 static int bnx2fc_lport_config(struct fc_lport *lport)
1031 {
1032         lport->link_up = 0;
1033         lport->qfull = 0;
1034         lport->max_retry_count = BNX2FC_MAX_RETRY_CNT;
1035         lport->max_rport_retry_count = BNX2FC_MAX_RPORT_RETRY_CNT;
1036         lport->e_d_tov = 2 * 1000;
1037         lport->r_a_tov = 10 * 1000;
1038
1039         lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
1040                                 FCP_SPPF_RETRY | FCP_SPPF_CONF_COMPL);
1041         lport->does_npiv = 1;
1042
1043         memset(&lport->rnid_gen, 0, sizeof(struct fc_els_rnid_gen));
1044         lport->rnid_gen.rnid_atype = BNX2FC_RNID_HBA;
1045
1046         /* alloc stats structure */
1047         if (fc_lport_init_stats(lport))
1048                 return -ENOMEM;
1049
1050         /* Finish fc_lport configuration */
1051         fc_lport_config(lport);
1052
1053         return 0;
1054 }
1055
1056 /**
1057  * bnx2fc_fip_recv - handle a received FIP frame.
1058  *
1059  * @skb: the received skb
1060  * @dev: associated &net_device
1061  * @ptype: the &packet_type structure which was used to register this handler.
1062  * @orig_dev: original receive &net_device, in case @ dev is a bond.
1063  *
1064  * Returns: 0 for success
1065  */
1066 static int bnx2fc_fip_recv(struct sk_buff *skb, struct net_device *dev,
1067                            struct packet_type *ptype,
1068                            struct net_device *orig_dev)
1069 {
1070         struct bnx2fc_interface *interface;
1071         struct fcoe_ctlr *ctlr;
1072         interface = container_of(ptype, struct bnx2fc_interface,
1073                                  fip_packet_type);
1074         ctlr = bnx2fc_to_ctlr(interface);
1075         fcoe_ctlr_recv(ctlr, skb);
1076         return 0;
1077 }
1078
1079 /**
1080  * bnx2fc_update_src_mac - Update Ethernet MAC filters.
1081  *
1082  * @fip: FCoE controller.
1083  * @old: Unicast MAC address to delete if the MAC is non-zero.
1084  * @new: Unicast MAC address to add.
1085  *
1086  * Remove any previously-set unicast MAC filter.
1087  * Add secondary FCoE MAC address filter for our OUI.
1088  */
1089 static void bnx2fc_update_src_mac(struct fc_lport *lport, u8 *addr)
1090 {
1091         struct fcoe_port *port = lport_priv(lport);
1092
1093         memcpy(port->data_src_addr, addr, ETH_ALEN);
1094 }
1095
1096 /**
1097  * bnx2fc_get_src_mac - return the ethernet source address for an lport
1098  *
1099  * @lport: libfc port
1100  */
1101 static u8 *bnx2fc_get_src_mac(struct fc_lport *lport)
1102 {
1103         struct fcoe_port *port;
1104
1105         port = (struct fcoe_port *)lport_priv(lport);
1106         return port->data_src_addr;
1107 }
1108
1109 /**
1110  * bnx2fc_fip_send - send an Ethernet-encapsulated FIP frame.
1111  *
1112  * @fip: FCoE controller.
1113  * @skb: FIP Packet.
1114  */
1115 static void bnx2fc_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
1116 {
1117         struct fip_header *fiph;
1118         struct ethhdr *eth_hdr;
1119         u16 op;
1120         u8 sub;
1121
1122         fiph = (struct fip_header *) ((void *)skb->data + 2 * ETH_ALEN + 2);
1123         eth_hdr = (struct ethhdr *)skb_mac_header(skb);
1124         op = ntohs(fiph->fip_op);
1125         sub = fiph->fip_subcode;
1126
1127         if (op == FIP_OP_CTRL && sub == FIP_SC_SOL && bnx2fc_log_fka)
1128                 BNX2FC_MISC_DBG("Sending FKA from %pM to %pM.\n",
1129                     eth_hdr->h_source, eth_hdr->h_dest);
1130
1131         skb->dev = bnx2fc_from_ctlr(fip)->netdev;
1132         dev_queue_xmit(skb);
1133 }
1134
1135 static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled)
1136 {
1137         struct Scsi_Host *shost = vport_to_shost(vport);
1138         struct fc_lport *n_port = shost_priv(shost);
1139         struct fcoe_port *port = lport_priv(n_port);
1140         struct bnx2fc_interface *interface = port->priv;
1141         struct net_device *netdev = interface->netdev;
1142         struct fc_lport *vn_port;
1143         int rc;
1144         char buf[32];
1145
1146         rc = fcoe_validate_vport_create(vport);
1147         if (rc) {
1148                 fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
1149                 printk(KERN_ERR PFX "Failed to create vport, "
1150                        "WWPN (0x%s) already exists\n",
1151                        buf);
1152                 return rc;
1153         }
1154
1155         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {
1156                 printk(KERN_ERR PFX "vn ports cannot be created on"
1157                         "this interface\n");
1158                 return -EIO;
1159         }
1160         rtnl_lock();
1161         mutex_lock(&bnx2fc_dev_lock);
1162         vn_port = bnx2fc_if_create(interface, &vport->dev, 1);
1163         mutex_unlock(&bnx2fc_dev_lock);
1164         rtnl_unlock();
1165
1166         if (!vn_port) {
1167                 printk(KERN_ERR PFX "bnx2fc_vport_create (%s) failed\n",
1168                         netdev->name);
1169                 return -EIO;
1170         }
1171
1172         if (bnx2fc_devloss_tmo)
1173                 fc_host_dev_loss_tmo(vn_port->host) = bnx2fc_devloss_tmo;
1174
1175         if (disabled) {
1176                 fc_vport_set_state(vport, FC_VPORT_DISABLED);
1177         } else {
1178                 vn_port->boot_time = jiffies;
1179                 fc_lport_init(vn_port);
1180                 fc_fabric_login(vn_port);
1181                 fc_vport_setlink(vn_port);
1182         }
1183         return 0;
1184 }
1185
1186 static void bnx2fc_free_vport(struct bnx2fc_hba *hba, struct fc_lport *lport)
1187 {
1188         struct bnx2fc_lport *blport, *tmp;
1189
1190         spin_lock_bh(&hba->hba_lock);
1191         list_for_each_entry_safe(blport, tmp, &hba->vports, list) {
1192                 if (blport->lport == lport) {
1193                         list_del(&blport->list);
1194                         kfree(blport);
1195                 }
1196         }
1197         spin_unlock_bh(&hba->hba_lock);
1198 }
1199
1200 static int bnx2fc_vport_destroy(struct fc_vport *vport)
1201 {
1202         struct Scsi_Host *shost = vport_to_shost(vport);
1203         struct fc_lport *n_port = shost_priv(shost);
1204         struct fc_lport *vn_port = vport->dd_data;
1205         struct fcoe_port *port = lport_priv(vn_port);
1206         struct bnx2fc_interface *interface = port->priv;
1207         struct fc_lport *v_port;
1208         bool found = false;
1209
1210         mutex_lock(&n_port->lp_mutex);
1211         list_for_each_entry(v_port, &n_port->vports, list)
1212                 if (v_port->vport == vport) {
1213                         found = true;
1214                         break;
1215                 }
1216
1217         if (!found) {
1218                 mutex_unlock(&n_port->lp_mutex);
1219                 return -ENOENT;
1220         }
1221         list_del(&vn_port->list);
1222         mutex_unlock(&n_port->lp_mutex);
1223         bnx2fc_free_vport(interface->hba, port->lport);
1224         bnx2fc_port_shutdown(port->lport);
1225         bnx2fc_port_destroy(port);
1226         bnx2fc_interface_put(interface);
1227         return 0;
1228 }
1229
1230 static int bnx2fc_vport_disable(struct fc_vport *vport, bool disable)
1231 {
1232         struct fc_lport *lport = vport->dd_data;
1233
1234         if (disable) {
1235                 fc_vport_set_state(vport, FC_VPORT_DISABLED);
1236                 fc_fabric_logoff(lport);
1237         } else {
1238                 lport->boot_time = jiffies;
1239                 fc_fabric_login(lport);
1240                 fc_vport_setlink(lport);
1241         }
1242         return 0;
1243 }
1244
1245
1246 static int bnx2fc_interface_setup(struct bnx2fc_interface *interface)
1247 {
1248         struct net_device *netdev = interface->netdev;
1249         struct net_device *physdev = interface->hba->phys_dev;
1250         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1251         struct netdev_hw_addr *ha;
1252         int sel_san_mac = 0;
1253
1254         /* setup Source MAC Address */
1255         rcu_read_lock();
1256         for_each_dev_addr(physdev, ha) {
1257                 BNX2FC_MISC_DBG("net_config: ha->type = %d, fip_mac = ",
1258                                 ha->type);
1259                 printk(KERN_INFO "%2x:%2x:%2x:%2x:%2x:%2x\n", ha->addr[0],
1260                                 ha->addr[1], ha->addr[2], ha->addr[3],
1261                                 ha->addr[4], ha->addr[5]);
1262
1263                 if ((ha->type == NETDEV_HW_ADDR_T_SAN) &&
1264                     (is_valid_ether_addr(ha->addr))) {
1265                         memcpy(ctlr->ctl_src_addr, ha->addr,
1266                                ETH_ALEN);
1267                         sel_san_mac = 1;
1268                         BNX2FC_MISC_DBG("Found SAN MAC\n");
1269                 }
1270         }
1271         rcu_read_unlock();
1272
1273         if (!sel_san_mac)
1274                 return -ENODEV;
1275
1276         interface->fip_packet_type.func = bnx2fc_fip_recv;
1277         interface->fip_packet_type.type = htons(ETH_P_FIP);
1278         interface->fip_packet_type.dev = netdev;
1279         dev_add_pack(&interface->fip_packet_type);
1280
1281         interface->fcoe_packet_type.func = bnx2fc_rcv;
1282         interface->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE);
1283         interface->fcoe_packet_type.dev = netdev;
1284         dev_add_pack(&interface->fcoe_packet_type);
1285
1286         return 0;
1287 }
1288
1289 static int bnx2fc_attach_transport(void)
1290 {
1291         bnx2fc_transport_template =
1292                 fc_attach_transport(&bnx2fc_transport_function);
1293
1294         if (bnx2fc_transport_template == NULL) {
1295                 printk(KERN_ERR PFX "Failed to attach FC transport\n");
1296                 return -ENODEV;
1297         }
1298
1299         bnx2fc_vport_xport_template =
1300                 fc_attach_transport(&bnx2fc_vport_xport_function);
1301         if (bnx2fc_vport_xport_template == NULL) {
1302                 printk(KERN_ERR PFX
1303                        "Failed to attach FC transport for vport\n");
1304                 fc_release_transport(bnx2fc_transport_template);
1305                 bnx2fc_transport_template = NULL;
1306                 return -ENODEV;
1307         }
1308         return 0;
1309 }
1310 static void bnx2fc_release_transport(void)
1311 {
1312         fc_release_transport(bnx2fc_transport_template);
1313         fc_release_transport(bnx2fc_vport_xport_template);
1314         bnx2fc_transport_template = NULL;
1315         bnx2fc_vport_xport_template = NULL;
1316 }
1317
1318 static void bnx2fc_interface_release(struct kref *kref)
1319 {
1320         struct fcoe_ctlr_device *ctlr_dev;
1321         struct bnx2fc_interface *interface;
1322         struct fcoe_ctlr *ctlr;
1323         struct net_device *netdev;
1324
1325         interface = container_of(kref, struct bnx2fc_interface, kref);
1326         BNX2FC_MISC_DBG("Interface is being released\n");
1327
1328         ctlr = bnx2fc_to_ctlr(interface);
1329         ctlr_dev = fcoe_ctlr_to_ctlr_dev(ctlr);
1330         netdev = interface->netdev;
1331
1332         /* tear-down FIP controller */
1333         if (test_and_clear_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags))
1334                 fcoe_ctlr_destroy(ctlr);
1335
1336         fcoe_ctlr_device_delete(ctlr_dev);
1337
1338         dev_put(netdev);
1339         module_put(THIS_MODULE);
1340 }
1341
1342 static inline void bnx2fc_interface_get(struct bnx2fc_interface *interface)
1343 {
1344         kref_get(&interface->kref);
1345 }
1346
1347 static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface)
1348 {
1349         kref_put(&interface->kref, bnx2fc_interface_release);
1350 }
1351 static void bnx2fc_hba_destroy(struct bnx2fc_hba *hba)
1352 {
1353         /* Free the command manager */
1354         if (hba->cmd_mgr) {
1355                 bnx2fc_cmd_mgr_free(hba->cmd_mgr);
1356                 hba->cmd_mgr = NULL;
1357         }
1358         kfree(hba->tgt_ofld_list);
1359         bnx2fc_unbind_pcidev(hba);
1360         kfree(hba);
1361 }
1362
1363 /**
1364  * bnx2fc_hba_create - create a new bnx2fc hba
1365  *
1366  * @cnic:       pointer to cnic device
1367  *
1368  * Creates a new FCoE hba on the given device.
1369  *
1370  */
1371 static struct bnx2fc_hba *bnx2fc_hba_create(struct cnic_dev *cnic)
1372 {
1373         struct bnx2fc_hba *hba;
1374         struct fcoe_capabilities *fcoe_cap;
1375         int rc;
1376
1377         hba = kzalloc(sizeof(*hba), GFP_KERNEL);
1378         if (!hba) {
1379                 printk(KERN_ERR PFX "Unable to allocate hba structure\n");
1380                 return NULL;
1381         }
1382         spin_lock_init(&hba->hba_lock);
1383         mutex_init(&hba->hba_mutex);
1384         mutex_init(&hba->hba_stats_mutex);
1385
1386         hba->cnic = cnic;
1387
1388         hba->max_tasks = cnic->max_fcoe_exchanges;
1389         hba->elstm_xids = (hba->max_tasks / 2);
1390         hba->max_outstanding_cmds = hba->elstm_xids;
1391         hba->max_xid = (hba->max_tasks - 1);
1392
1393         rc = bnx2fc_bind_pcidev(hba);
1394         if (rc) {
1395                 printk(KERN_ERR PFX "create_adapter:  bind error\n");
1396                 goto bind_err;
1397         }
1398         hba->phys_dev = cnic->netdev;
1399         hba->next_conn_id = 0;
1400
1401         hba->tgt_ofld_list =
1402                 kcalloc(BNX2FC_NUM_MAX_SESS, sizeof(struct bnx2fc_rport *),
1403                         GFP_KERNEL);
1404         if (!hba->tgt_ofld_list) {
1405                 printk(KERN_ERR PFX "Unable to allocate tgt offload list\n");
1406                 goto tgtofld_err;
1407         }
1408
1409         hba->num_ofld_sess = 0;
1410
1411         hba->cmd_mgr = bnx2fc_cmd_mgr_alloc(hba);
1412         if (!hba->cmd_mgr) {
1413                 printk(KERN_ERR PFX "em_config:bnx2fc_cmd_mgr_alloc failed\n");
1414                 goto cmgr_err;
1415         }
1416         fcoe_cap = &hba->fcoe_cap;
1417
1418         fcoe_cap->capability1 = BNX2FC_TM_MAX_SQES <<
1419                                         FCOE_IOS_PER_CONNECTION_SHIFT;
1420         fcoe_cap->capability1 |= BNX2FC_NUM_MAX_SESS <<
1421                                         FCOE_LOGINS_PER_PORT_SHIFT;
1422         fcoe_cap->capability2 = hba->max_outstanding_cmds <<
1423                                         FCOE_NUMBER_OF_EXCHANGES_SHIFT;
1424         fcoe_cap->capability2 |= BNX2FC_MAX_NPIV <<
1425                                         FCOE_NPIV_WWN_PER_PORT_SHIFT;
1426         fcoe_cap->capability3 = BNX2FC_NUM_MAX_SESS <<
1427                                         FCOE_TARGETS_SUPPORTED_SHIFT;
1428         fcoe_cap->capability3 |= hba->max_outstanding_cmds <<
1429                                         FCOE_OUTSTANDING_COMMANDS_SHIFT;
1430         fcoe_cap->capability4 = FCOE_CAPABILITY4_STATEFUL;
1431
1432         init_waitqueue_head(&hba->shutdown_wait);
1433         init_waitqueue_head(&hba->destroy_wait);
1434         INIT_LIST_HEAD(&hba->vports);
1435
1436         return hba;
1437
1438 cmgr_err:
1439         kfree(hba->tgt_ofld_list);
1440 tgtofld_err:
1441         bnx2fc_unbind_pcidev(hba);
1442 bind_err:
1443         kfree(hba);
1444         return NULL;
1445 }
1446
1447 static struct bnx2fc_interface *
1448 bnx2fc_interface_create(struct bnx2fc_hba *hba,
1449                         struct net_device *netdev,
1450                         enum fip_mode fip_mode)
1451 {
1452         struct fcoe_ctlr_device *ctlr_dev;
1453         struct bnx2fc_interface *interface;
1454         struct fcoe_ctlr *ctlr;
1455         int size;
1456         int rc = 0;
1457
1458         size = (sizeof(*interface) + sizeof(struct fcoe_ctlr));
1459         ctlr_dev = fcoe_ctlr_device_add(&netdev->dev, &bnx2fc_fcoe_sysfs_templ,
1460                                          size);
1461         if (!ctlr_dev) {
1462                 printk(KERN_ERR PFX "Unable to allocate interface structure\n");
1463                 return NULL;
1464         }
1465         ctlr = fcoe_ctlr_device_priv(ctlr_dev);
1466         ctlr->cdev = ctlr_dev;
1467         interface = fcoe_ctlr_priv(ctlr);
1468         dev_hold(netdev);
1469         kref_init(&interface->kref);
1470         interface->hba = hba;
1471         interface->netdev = netdev;
1472
1473         /* Initialize FIP */
1474         fcoe_ctlr_init(ctlr, fip_mode);
1475         ctlr->send = bnx2fc_fip_send;
1476         ctlr->update_mac = bnx2fc_update_src_mac;
1477         ctlr->get_src_addr = bnx2fc_get_src_mac;
1478         set_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags);
1479
1480         rc = bnx2fc_interface_setup(interface);
1481         if (!rc)
1482                 return interface;
1483
1484         fcoe_ctlr_destroy(ctlr);
1485         dev_put(netdev);
1486         fcoe_ctlr_device_delete(ctlr_dev);
1487         return NULL;
1488 }
1489
1490 /**
1491  * bnx2fc_if_create - Create FCoE instance on a given interface
1492  *
1493  * @interface:  FCoE interface to create a local port on
1494  * @parent:     Device pointer to be the parent in sysfs for the SCSI host
1495  * @npiv:       Indicates if the port is vport or not
1496  *
1497  * Creates a fc_lport instance and a Scsi_Host instance and configure them.
1498  *
1499  * Returns:     Allocated fc_lport or an error pointer
1500  */
1501 static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
1502                                   struct device *parent, int npiv)
1503 {
1504         struct fcoe_ctlr        *ctlr = bnx2fc_to_ctlr(interface);
1505         struct fc_lport         *lport, *n_port;
1506         struct fcoe_port        *port;
1507         struct Scsi_Host        *shost;
1508         struct fc_vport         *vport = dev_to_vport(parent);
1509         struct bnx2fc_lport     *blport;
1510         struct bnx2fc_hba       *hba = interface->hba;
1511         int                     rc = 0;
1512
1513         blport = kzalloc(sizeof(struct bnx2fc_lport), GFP_KERNEL);
1514         if (!blport) {
1515                 BNX2FC_HBA_DBG(ctlr->lp, "Unable to alloc blport\n");
1516                 return NULL;
1517         }
1518
1519         /* Allocate Scsi_Host structure */
1520         bnx2fc_shost_template.can_queue = hba->max_outstanding_cmds;
1521         if (!npiv)
1522                 lport = libfc_host_alloc(&bnx2fc_shost_template, sizeof(*port));
1523         else
1524                 lport = libfc_vport_create(vport, sizeof(*port));
1525
1526         if (!lport) {
1527                 printk(KERN_ERR PFX "could not allocate scsi host structure\n");
1528                 goto free_blport;
1529         }
1530         shost = lport->host;
1531         port = lport_priv(lport);
1532         port->lport = lport;
1533         port->priv = interface;
1534         port->get_netdev = bnx2fc_netdev;
1535
1536         /* Configure fcoe_port */
1537         rc = bnx2fc_lport_config(lport);
1538         if (rc)
1539                 goto lp_config_err;
1540
1541         if (npiv) {
1542                 printk(KERN_ERR PFX "Setting vport names, 0x%llX 0x%llX\n",
1543                         vport->node_name, vport->port_name);
1544                 fc_set_wwnn(lport, vport->node_name);
1545                 fc_set_wwpn(lport, vport->port_name);
1546         }
1547         /* Configure netdev and networking properties of the lport */
1548         rc = bnx2fc_net_config(lport, interface->netdev);
1549         if (rc) {
1550                 printk(KERN_ERR PFX "Error on bnx2fc_net_config\n");
1551                 goto lp_config_err;
1552         }
1553
1554         rc = bnx2fc_shost_config(lport, parent);
1555         if (rc) {
1556                 printk(KERN_ERR PFX "Couldn't configure shost for %s\n",
1557                         interface->netdev->name);
1558                 goto lp_config_err;
1559         }
1560
1561         /* Initialize the libfc library */
1562         rc = bnx2fc_libfc_config(lport);
1563         if (rc) {
1564                 printk(KERN_ERR PFX "Couldn't configure libfc\n");
1565                 goto shost_err;
1566         }
1567         fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
1568
1569         if (bnx2fc_devloss_tmo)
1570                 fc_host_dev_loss_tmo(shost) = bnx2fc_devloss_tmo;
1571
1572         /* Allocate exchange manager */
1573         if (!npiv)
1574                 rc = bnx2fc_em_config(lport, hba);
1575         else {
1576                 shost = vport_to_shost(vport);
1577                 n_port = shost_priv(shost);
1578                 rc = fc_exch_mgr_list_clone(n_port, lport);
1579         }
1580
1581         if (rc) {
1582                 printk(KERN_ERR PFX "Error on bnx2fc_em_config\n");
1583                 goto shost_err;
1584         }
1585
1586         bnx2fc_interface_get(interface);
1587
1588         spin_lock_bh(&hba->hba_lock);
1589         blport->lport = lport;
1590         list_add_tail(&blport->list, &hba->vports);
1591         spin_unlock_bh(&hba->hba_lock);
1592
1593         return lport;
1594
1595 shost_err:
1596         scsi_remove_host(shost);
1597 lp_config_err:
1598         scsi_host_put(lport->host);
1599 free_blport:
1600         kfree(blport);
1601         return NULL;
1602 }
1603
1604 static void bnx2fc_net_cleanup(struct bnx2fc_interface *interface)
1605 {
1606         /* Dont listen for Ethernet packets anymore */
1607         __dev_remove_pack(&interface->fcoe_packet_type);
1608         __dev_remove_pack(&interface->fip_packet_type);
1609         synchronize_net();
1610 }
1611
1612 static void bnx2fc_interface_cleanup(struct bnx2fc_interface *interface)
1613 {
1614         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1615         struct fc_lport *lport = ctlr->lp;
1616         struct fcoe_port *port = lport_priv(lport);
1617         struct bnx2fc_hba *hba = interface->hba;
1618
1619         /* Stop the transmit retry timer */
1620         del_timer_sync(&port->timer);
1621
1622         /* Free existing transmit skbs */
1623         fcoe_clean_pending_queue(lport);
1624
1625         bnx2fc_net_cleanup(interface);
1626
1627         bnx2fc_free_vport(hba, lport);
1628 }
1629
1630 static void bnx2fc_if_destroy(struct fc_lport *lport)
1631 {
1632
1633         /* Free queued packets for the receive thread */
1634         bnx2fc_clean_rx_queue(lport);
1635
1636         /* Detach from scsi-ml */
1637         fc_remove_host(lport->host);
1638         scsi_remove_host(lport->host);
1639
1640         /*
1641          * Note that only the physical lport will have the exchange manager.
1642          * for vports, this function is NOP
1643          */
1644         fc_exch_mgr_free(lport);
1645
1646         /* Free memory used by statistical counters */
1647         fc_lport_free_stats(lport);
1648
1649         /* Release Scsi_Host */
1650         scsi_host_put(lport->host);
1651 }
1652
1653 static void __bnx2fc_destroy(struct bnx2fc_interface *interface)
1654 {
1655         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1656         struct fc_lport *lport = ctlr->lp;
1657         struct fcoe_port *port = lport_priv(lport);
1658
1659         bnx2fc_interface_cleanup(interface);
1660         bnx2fc_stop(interface);
1661         list_del(&interface->list);
1662         bnx2fc_port_destroy(port);
1663         bnx2fc_interface_put(interface);
1664 }
1665
1666 /**
1667  * bnx2fc_destroy - Destroy a bnx2fc FCoE interface
1668  *
1669  * @buffer: The name of the Ethernet interface to be destroyed
1670  * @kp:     The associated kernel parameter
1671  *
1672  * Called from sysfs.
1673  *
1674  * Returns: 0 for success
1675  */
1676 static int bnx2fc_destroy(struct net_device *netdev)
1677 {
1678         struct bnx2fc_interface *interface = NULL;
1679         struct workqueue_struct *timer_work_queue;
1680         struct fcoe_ctlr *ctlr;
1681         int rc = 0;
1682
1683         rtnl_lock();
1684         mutex_lock(&bnx2fc_dev_lock);
1685
1686         interface = bnx2fc_interface_lookup(netdev);
1687         ctlr = bnx2fc_to_ctlr(interface);
1688         if (!interface || !ctlr->lp) {
1689                 rc = -ENODEV;
1690                 printk(KERN_ERR PFX "bnx2fc_destroy: interface or lport not found\n");
1691                 goto netdev_err;
1692         }
1693
1694         timer_work_queue = interface->timer_work_queue;
1695         __bnx2fc_destroy(interface);
1696         destroy_workqueue(timer_work_queue);
1697
1698 netdev_err:
1699         mutex_unlock(&bnx2fc_dev_lock);
1700         rtnl_unlock();
1701         return rc;
1702 }
1703
1704 static void bnx2fc_port_destroy(struct fcoe_port *port)
1705 {
1706         struct fc_lport *lport;
1707
1708         lport = port->lport;
1709         BNX2FC_HBA_DBG(lport, "Entered %s, destroying lport %p\n", __func__, lport);
1710
1711         bnx2fc_if_destroy(lport);
1712 }
1713
1714 static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba)
1715 {
1716         bnx2fc_free_fw_resc(hba);
1717         bnx2fc_free_task_ctx(hba);
1718 }
1719
1720 /**
1721  * bnx2fc_bind_adapter_devices - binds bnx2fc adapter with the associated
1722  *                      pci structure
1723  *
1724  * @hba:                Adapter instance
1725  */
1726 static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba)
1727 {
1728         if (bnx2fc_setup_task_ctx(hba))
1729                 goto mem_err;
1730
1731         if (bnx2fc_setup_fw_resc(hba))
1732                 goto mem_err;
1733
1734         return 0;
1735 mem_err:
1736         bnx2fc_unbind_adapter_devices(hba);
1737         return -ENOMEM;
1738 }
1739
1740 static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba)
1741 {
1742         struct cnic_dev *cnic;
1743         struct pci_dev *pdev;
1744
1745         if (!hba->cnic) {
1746                 printk(KERN_ERR PFX "cnic is NULL\n");
1747                 return -ENODEV;
1748         }
1749         cnic = hba->cnic;
1750         pdev = hba->pcidev = cnic->pcidev;
1751         if (!hba->pcidev)
1752                 return -ENODEV;
1753
1754         switch (pdev->device) {
1755         case PCI_DEVICE_ID_NX2_57710:
1756                 strncpy(hba->chip_num, "BCM57710", BCM_CHIP_LEN);
1757                 break;
1758         case PCI_DEVICE_ID_NX2_57711:
1759                 strncpy(hba->chip_num, "BCM57711", BCM_CHIP_LEN);
1760                 break;
1761         case PCI_DEVICE_ID_NX2_57712:
1762         case PCI_DEVICE_ID_NX2_57712_MF:
1763         case PCI_DEVICE_ID_NX2_57712_VF:
1764                 strncpy(hba->chip_num, "BCM57712", BCM_CHIP_LEN);
1765                 break;
1766         case PCI_DEVICE_ID_NX2_57800:
1767         case PCI_DEVICE_ID_NX2_57800_MF:
1768         case PCI_DEVICE_ID_NX2_57800_VF:
1769                 strncpy(hba->chip_num, "BCM57800", BCM_CHIP_LEN);
1770                 break;
1771         case PCI_DEVICE_ID_NX2_57810:
1772         case PCI_DEVICE_ID_NX2_57810_MF:
1773         case PCI_DEVICE_ID_NX2_57810_VF:
1774                 strncpy(hba->chip_num, "BCM57810", BCM_CHIP_LEN);
1775                 break;
1776         case PCI_DEVICE_ID_NX2_57840:
1777         case PCI_DEVICE_ID_NX2_57840_MF:
1778         case PCI_DEVICE_ID_NX2_57840_VF:
1779         case PCI_DEVICE_ID_NX2_57840_2_20:
1780         case PCI_DEVICE_ID_NX2_57840_4_10:
1781                 strncpy(hba->chip_num, "BCM57840", BCM_CHIP_LEN);
1782                 break;
1783         default:
1784                 pr_err(PFX "Unknown device id 0x%x\n", pdev->device);
1785                 break;
1786         }
1787         pci_dev_get(hba->pcidev);
1788         return 0;
1789 }
1790
1791 static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba)
1792 {
1793         if (hba->pcidev) {
1794                 hba->chip_num[0] = '\0';
1795                 pci_dev_put(hba->pcidev);
1796         }
1797         hba->pcidev = NULL;
1798 }
1799
1800 /**
1801  * bnx2fc_ulp_get_stats - cnic callback to populate FCoE stats
1802  *
1803  * @handle:    transport handle pointing to adapter struture
1804  */
1805 static int bnx2fc_ulp_get_stats(void *handle)
1806 {
1807         struct bnx2fc_hba *hba = handle;
1808         struct cnic_dev *cnic;
1809         struct fcoe_stats_info *stats_addr;
1810
1811         if (!hba)
1812                 return -EINVAL;
1813
1814         cnic = hba->cnic;
1815         stats_addr = &cnic->stats_addr->fcoe_stat;
1816         if (!stats_addr)
1817                 return -EINVAL;
1818
1819         strncpy(stats_addr->version, BNX2FC_VERSION,
1820                 sizeof(stats_addr->version));
1821         stats_addr->txq_size = BNX2FC_SQ_WQES_MAX;
1822         stats_addr->rxq_size = BNX2FC_CQ_WQES_MAX;
1823
1824         return 0;
1825 }
1826
1827
1828 /**
1829  * bnx2fc_ulp_start - cnic callback to initialize & start adapter instance
1830  *
1831  * @handle:     transport handle pointing to adapter structure
1832  *
1833  * This function maps adapter structure to pcidev structure and initiates
1834  *      firmware handshake to enable/initialize on-chip FCoE components.
1835  *      This bnx2fc - cnic interface api callback is used after following
1836  *      conditions are met -
1837  *      a) underlying network interface is up (marked by event NETDEV_UP
1838  *              from netdev
1839  *      b) bnx2fc adatper structure is registered.
1840  */
1841 static void bnx2fc_ulp_start(void *handle)
1842 {
1843         struct bnx2fc_hba *hba = handle;
1844         struct bnx2fc_interface *interface;
1845         struct fcoe_ctlr *ctlr;
1846         struct fc_lport *lport;
1847
1848         mutex_lock(&bnx2fc_dev_lock);
1849
1850         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags))
1851                 bnx2fc_fw_init(hba);
1852
1853         BNX2FC_MISC_DBG("bnx2fc started.\n");
1854
1855         list_for_each_entry(interface, &if_list, list) {
1856                 if (interface->hba == hba) {
1857                         ctlr = bnx2fc_to_ctlr(interface);
1858                         lport = ctlr->lp;
1859                         /* Kick off Fabric discovery*/
1860                         printk(KERN_ERR PFX "ulp_init: start discovery\n");
1861                         lport->tt.frame_send = bnx2fc_xmit;
1862                         bnx2fc_start_disc(interface);
1863                 }
1864         }
1865
1866         mutex_unlock(&bnx2fc_dev_lock);
1867 }
1868
1869 static void bnx2fc_port_shutdown(struct fc_lport *lport)
1870 {
1871         BNX2FC_MISC_DBG("Entered %s\n", __func__);
1872         fc_fabric_logoff(lport);
1873         fc_lport_destroy(lport);
1874 }
1875
1876 static void bnx2fc_stop(struct bnx2fc_interface *interface)
1877 {
1878         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1879         struct fc_lport *lport;
1880         struct fc_lport *vport;
1881
1882         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags))
1883                 return;
1884
1885         lport = ctlr->lp;
1886         bnx2fc_port_shutdown(lport);
1887
1888         mutex_lock(&lport->lp_mutex);
1889         list_for_each_entry(vport, &lport->vports, list)
1890                 fc_host_port_type(vport->host) =
1891                                         FC_PORTTYPE_UNKNOWN;
1892         mutex_unlock(&lport->lp_mutex);
1893         fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
1894         fcoe_ctlr_link_down(ctlr);
1895         fcoe_clean_pending_queue(lport);
1896 }
1897
1898 static int bnx2fc_fw_init(struct bnx2fc_hba *hba)
1899 {
1900 #define BNX2FC_INIT_POLL_TIME           (1000 / HZ)
1901         int rc = -1;
1902         int i = HZ;
1903
1904         rc = bnx2fc_bind_adapter_devices(hba);
1905         if (rc) {
1906                 printk(KERN_ALERT PFX
1907                         "bnx2fc_bind_adapter_devices failed - rc = %d\n", rc);
1908                 goto err_out;
1909         }
1910
1911         rc = bnx2fc_send_fw_fcoe_init_msg(hba);
1912         if (rc) {
1913                 printk(KERN_ALERT PFX
1914                         "bnx2fc_send_fw_fcoe_init_msg failed - rc = %d\n", rc);
1915                 goto err_unbind;
1916         }
1917
1918         /*
1919          * Wait until the adapter init message is complete, and adapter
1920          * state is UP.
1921          */
1922         while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && i--)
1923                 msleep(BNX2FC_INIT_POLL_TIME);
1924
1925         if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state)) {
1926                 printk(KERN_ERR PFX "bnx2fc_start: %s failed to initialize.  "
1927                                 "Ignoring...\n",
1928                                 hba->cnic->netdev->name);
1929                 rc = -1;
1930                 goto err_unbind;
1931         }
1932
1933
1934         set_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags);
1935         return 0;
1936
1937 err_unbind:
1938         bnx2fc_unbind_adapter_devices(hba);
1939 err_out:
1940         return rc;
1941 }
1942
1943 static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba)
1944 {
1945         if (test_and_clear_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) {
1946                 if (bnx2fc_send_fw_fcoe_destroy_msg(hba) == 0) {
1947                         timer_setup(&hba->destroy_timer, bnx2fc_destroy_timer,
1948                                     0);
1949                         hba->destroy_timer.expires = BNX2FC_FW_TIMEOUT +
1950                                                                 jiffies;
1951                         add_timer(&hba->destroy_timer);
1952                         wait_event_interruptible(hba->destroy_wait,
1953                                         test_bit(BNX2FC_FLAG_DESTROY_CMPL,
1954                                                  &hba->flags));
1955                         clear_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags);
1956                         /* This should never happen */
1957                         if (signal_pending(current))
1958                                 flush_signals(current);
1959
1960                         del_timer_sync(&hba->destroy_timer);
1961                 }
1962                 bnx2fc_unbind_adapter_devices(hba);
1963         }
1964 }
1965
1966 /**
1967  * bnx2fc_ulp_stop - cnic callback to shutdown adapter instance
1968  *
1969  * @handle:     transport handle pointing to adapter structure
1970  *
1971  * Driver checks if adapter is already in shutdown mode, if not start
1972  *      the shutdown process.
1973  */
1974 static void bnx2fc_ulp_stop(void *handle)
1975 {
1976         struct bnx2fc_hba *hba = handle;
1977         struct bnx2fc_interface *interface;
1978
1979         printk(KERN_ERR "ULP_STOP\n");
1980
1981         mutex_lock(&bnx2fc_dev_lock);
1982         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags))
1983                 goto exit;
1984         list_for_each_entry(interface, &if_list, list) {
1985                 if (interface->hba == hba)
1986                         bnx2fc_stop(interface);
1987         }
1988         BUG_ON(hba->num_ofld_sess != 0);
1989
1990         mutex_lock(&hba->hba_mutex);
1991         clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
1992         clear_bit(ADAPTER_STATE_GOING_DOWN,
1993                   &hba->adapter_state);
1994
1995         clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
1996         mutex_unlock(&hba->hba_mutex);
1997
1998         bnx2fc_fw_destroy(hba);
1999 exit:
2000         mutex_unlock(&bnx2fc_dev_lock);
2001 }
2002
2003 static void bnx2fc_start_disc(struct bnx2fc_interface *interface)
2004 {
2005         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
2006         struct fc_lport *lport;
2007         int wait_cnt = 0;
2008
2009         BNX2FC_MISC_DBG("Entered %s\n", __func__);
2010         /* Kick off FIP/FLOGI */
2011         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {
2012                 printk(KERN_ERR PFX "Init not done yet\n");
2013                 return;
2014         }
2015
2016         lport = ctlr->lp;
2017         BNX2FC_HBA_DBG(lport, "calling fc_fabric_login\n");
2018
2019         if (!bnx2fc_link_ok(lport) && interface->enabled) {
2020                 BNX2FC_HBA_DBG(lport, "ctlr_link_up\n");
2021                 fcoe_ctlr_link_up(ctlr);
2022                 fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
2023                 set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state);
2024         }
2025
2026         /* wait for the FCF to be selected before issuing FLOGI */
2027         while (!ctlr->sel_fcf) {
2028                 msleep(250);
2029                 /* give up after 3 secs */
2030                 if (++wait_cnt > 12)
2031                         break;
2032         }
2033
2034         /* Reset max receive frame size to default */
2035         if (fc_set_mfs(lport, BNX2FC_MFS))
2036                 return;
2037
2038         fc_lport_init(lport);
2039         fc_fabric_login(lport);
2040 }
2041
2042
2043 /**
2044  * bnx2fc_ulp_init - Initialize an adapter instance
2045  *
2046  * @dev :       cnic device handle
2047  * Called from cnic_register_driver() context to initialize all
2048  *      enumerated cnic devices. This routine allocates adapter structure
2049  *      and other device specific resources.
2050  */
2051 static void bnx2fc_ulp_init(struct cnic_dev *dev)
2052 {
2053         struct bnx2fc_hba *hba;
2054         int rc = 0;
2055
2056         BNX2FC_MISC_DBG("Entered %s\n", __func__);
2057         /* bnx2fc works only when bnx2x is loaded */
2058         if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags) ||
2059             (dev->max_fcoe_conn == 0)) {
2060                 printk(KERN_ERR PFX "bnx2fc FCoE not supported on %s,"
2061                                     " flags: %lx fcoe_conn: %d\n",
2062                         dev->netdev->name, dev->flags, dev->max_fcoe_conn);
2063                 return;
2064         }
2065
2066         hba = bnx2fc_hba_create(dev);
2067         if (!hba) {
2068                 printk(KERN_ERR PFX "hba initialization failed\n");
2069                 return;
2070         }
2071
2072         pr_info(PFX "FCoE initialized for %s.\n", dev->netdev->name);
2073
2074         /* Add HBA to the adapter list */
2075         mutex_lock(&bnx2fc_dev_lock);
2076         list_add_tail(&hba->list, &adapter_list);
2077         adapter_count++;
2078         mutex_unlock(&bnx2fc_dev_lock);
2079
2080         dev->fcoe_cap = &hba->fcoe_cap;
2081         clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic);
2082         rc = dev->register_device(dev, CNIC_ULP_FCOE,
2083                                                 (void *) hba);
2084         if (rc)
2085                 printk(KERN_ERR PFX "register_device failed, rc = %d\n", rc);
2086         else
2087                 set_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic);
2088 }
2089
2090 /* Assumes rtnl_lock and the bnx2fc_dev_lock are already taken */
2091 static int __bnx2fc_disable(struct fcoe_ctlr *ctlr)
2092 {
2093         struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr);
2094
2095         if (interface->enabled == true) {
2096                 if (!ctlr->lp) {
2097                         pr_err(PFX "__bnx2fc_disable: lport not found\n");
2098                         return -ENODEV;
2099                 } else {
2100                         interface->enabled = false;
2101                         fcoe_ctlr_link_down(ctlr);
2102                         fcoe_clean_pending_queue(ctlr->lp);
2103                 }
2104         }
2105         return 0;
2106 }
2107
2108 /**
2109  * Deperecated: Use bnx2fc_enabled()
2110  */
2111 static int bnx2fc_disable(struct net_device *netdev)
2112 {
2113         struct bnx2fc_interface *interface;
2114         struct fcoe_ctlr *ctlr;
2115         int rc = 0;
2116
2117         rtnl_lock();
2118         mutex_lock(&bnx2fc_dev_lock);
2119
2120         interface = bnx2fc_interface_lookup(netdev);
2121         ctlr = bnx2fc_to_ctlr(interface);
2122
2123         if (!interface) {
2124                 rc = -ENODEV;
2125                 pr_err(PFX "bnx2fc_disable: interface not found\n");
2126         } else {
2127                 rc = __bnx2fc_disable(ctlr);
2128         }
2129         mutex_unlock(&bnx2fc_dev_lock);
2130         rtnl_unlock();
2131         return rc;
2132 }
2133
2134 static uint bnx2fc_npiv_create_vports(struct fc_lport *lport,
2135                                       struct cnic_fc_npiv_tbl *npiv_tbl)
2136 {
2137         struct fc_vport_identifiers vpid;
2138         uint i, created = 0;
2139         u64 wwnn = 0;
2140         char wwpn_str[32];
2141         char wwnn_str[32];
2142
2143         if (npiv_tbl->count > MAX_NPIV_ENTRIES) {
2144                 BNX2FC_HBA_DBG(lport, "Exceeded count max of npiv table\n");
2145                 goto done;
2146         }
2147
2148         /* Sanity check the first entry to make sure it's not 0 */
2149         if (wwn_to_u64(npiv_tbl->wwnn[0]) == 0 &&
2150             wwn_to_u64(npiv_tbl->wwpn[0]) == 0) {
2151                 BNX2FC_HBA_DBG(lport, "First NPIV table entries invalid.\n");
2152                 goto done;
2153         }
2154
2155         vpid.roles = FC_PORT_ROLE_FCP_INITIATOR;
2156         vpid.vport_type = FC_PORTTYPE_NPIV;
2157         vpid.disable = false;
2158
2159         for (i = 0; i < npiv_tbl->count; i++) {
2160                 wwnn = wwn_to_u64(npiv_tbl->wwnn[i]);
2161                 if (wwnn == 0) {
2162                         /*
2163                          * If we get a 0 element from for the WWNN then assume
2164                          * the WWNN should be the same as the physical port.
2165                          */
2166                         wwnn = lport->wwnn;
2167                 }
2168                 vpid.node_name = wwnn;
2169                 vpid.port_name = wwn_to_u64(npiv_tbl->wwpn[i]);
2170                 scnprintf(vpid.symbolic_name, sizeof(vpid.symbolic_name),
2171                     "NPIV[%u]:%016llx-%016llx",
2172                     created, vpid.port_name, vpid.node_name);
2173                 fcoe_wwn_to_str(vpid.node_name, wwnn_str, sizeof(wwnn_str));
2174                 fcoe_wwn_to_str(vpid.port_name, wwpn_str, sizeof(wwpn_str));
2175                 BNX2FC_HBA_DBG(lport, "Creating vport %s:%s.\n", wwnn_str,
2176                     wwpn_str);
2177                 if (fc_vport_create(lport->host, 0, &vpid))
2178                         created++;
2179                 else
2180                         BNX2FC_HBA_DBG(lport, "Failed to create vport\n");
2181         }
2182 done:
2183         return created;
2184 }
2185
2186 static int __bnx2fc_enable(struct fcoe_ctlr *ctlr)
2187 {
2188         struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr);
2189         struct bnx2fc_hba *hba;
2190         struct cnic_fc_npiv_tbl *npiv_tbl;
2191         struct fc_lport *lport;
2192
2193         if (interface->enabled == false) {
2194                 if (!ctlr->lp) {
2195                         pr_err(PFX "__bnx2fc_enable: lport not found\n");
2196                         return -ENODEV;
2197                 } else if (!bnx2fc_link_ok(ctlr->lp)) {
2198                         fcoe_ctlr_link_up(ctlr);
2199                         interface->enabled = true;
2200                 }
2201         }
2202
2203         /* Create static NPIV ports if any are contained in NVRAM */
2204         hba = interface->hba;
2205         lport = ctlr->lp;
2206
2207         if (!hba)
2208                 goto done;
2209
2210         if (!hba->cnic)
2211                 goto done;
2212
2213         if (!lport)
2214                 goto done;
2215
2216         if (!lport->host)
2217                 goto done;
2218
2219         if (!hba->cnic->get_fc_npiv_tbl)
2220                 goto done;
2221
2222         npiv_tbl = kzalloc(sizeof(struct cnic_fc_npiv_tbl), GFP_KERNEL);
2223         if (!npiv_tbl)
2224                 goto done;
2225
2226         if (hba->cnic->get_fc_npiv_tbl(hba->cnic, npiv_tbl))
2227                 goto done_free;
2228
2229         bnx2fc_npiv_create_vports(lport, npiv_tbl);
2230 done_free:
2231         kfree(npiv_tbl);
2232 done:
2233         return 0;
2234 }
2235
2236 /**
2237  * Deprecated: Use bnx2fc_enabled()
2238  */
2239 static int bnx2fc_enable(struct net_device *netdev)
2240 {
2241         struct bnx2fc_interface *interface;
2242         struct fcoe_ctlr *ctlr;
2243         int rc = 0;
2244
2245         rtnl_lock();
2246         mutex_lock(&bnx2fc_dev_lock);
2247
2248         interface = bnx2fc_interface_lookup(netdev);
2249         ctlr = bnx2fc_to_ctlr(interface);
2250         if (!interface) {
2251                 rc = -ENODEV;
2252                 pr_err(PFX "bnx2fc_enable: interface not found\n");
2253         } else {
2254                 rc = __bnx2fc_enable(ctlr);
2255         }
2256
2257         mutex_unlock(&bnx2fc_dev_lock);
2258         rtnl_unlock();
2259         return rc;
2260 }
2261
2262 /**
2263  * bnx2fc_ctlr_enabled() - Enable or disable an FCoE Controller
2264  * @cdev: The FCoE Controller that is being enabled or disabled
2265  *
2266  * fcoe_sysfs will ensure that the state of 'enabled' has
2267  * changed, so no checking is necessary here. This routine simply
2268  * calls fcoe_enable or fcoe_disable, both of which are deprecated.
2269  * When those routines are removed the functionality can be merged
2270  * here.
2271  */
2272 static int bnx2fc_ctlr_enabled(struct fcoe_ctlr_device *cdev)
2273 {
2274         struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(cdev);
2275
2276         switch (cdev->enabled) {
2277         case FCOE_CTLR_ENABLED:
2278                 return __bnx2fc_enable(ctlr);
2279         case FCOE_CTLR_DISABLED:
2280                 return __bnx2fc_disable(ctlr);
2281         case FCOE_CTLR_UNUSED:
2282         default:
2283                 return -ENOTSUPP;
2284         };
2285 }
2286
2287 enum bnx2fc_create_link_state {
2288         BNX2FC_CREATE_LINK_DOWN,
2289         BNX2FC_CREATE_LINK_UP,
2290 };
2291
2292 /**
2293  * _bnx2fc_create() - Create bnx2fc FCoE interface
2294  * @netdev  :   The net_device object the Ethernet interface to create on
2295  * @fip_mode:   The FIP mode for this creation
2296  * @link_state: The ctlr link state on creation
2297  *
2298  * Called from either the libfcoe 'create' module parameter
2299  * via fcoe_create or from fcoe_syfs's ctlr_create file.
2300  *
2301  * libfcoe's 'create' module parameter is deprecated so some
2302  * consolidation of code can be done when that interface is
2303  * removed.
2304  *
2305  * Returns: 0 for success
2306  */
2307 static int _bnx2fc_create(struct net_device *netdev,
2308                           enum fip_mode fip_mode,
2309                           enum bnx2fc_create_link_state link_state)
2310 {
2311         struct fcoe_ctlr_device *cdev;
2312         struct fcoe_ctlr *ctlr;
2313         struct bnx2fc_interface *interface;
2314         struct bnx2fc_hba *hba;
2315         struct net_device *phys_dev = netdev;
2316         struct fc_lport *lport;
2317         struct ethtool_drvinfo drvinfo;
2318         int rc = 0;
2319         int vlan_id = 0;
2320
2321         BNX2FC_MISC_DBG("Entered bnx2fc_create\n");
2322         if (fip_mode != FIP_MODE_FABRIC) {
2323                 printk(KERN_ERR "fip mode not FABRIC\n");
2324                 return -EIO;
2325         }
2326
2327         rtnl_lock();
2328
2329         mutex_lock(&bnx2fc_dev_lock);
2330
2331         if (!try_module_get(THIS_MODULE)) {
2332                 rc = -EINVAL;
2333                 goto mod_err;
2334         }
2335
2336         /* obtain physical netdev */
2337         if (is_vlan_dev(netdev))
2338                 phys_dev = vlan_dev_real_dev(netdev);
2339
2340         /* verify if the physical device is a netxtreme2 device */
2341         if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) {
2342                 memset(&drvinfo, 0, sizeof(drvinfo));
2343                 phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo);
2344                 if (strncmp(drvinfo.driver, "bnx2x", strlen("bnx2x"))) {
2345                         printk(KERN_ERR PFX "Not a netxtreme2 device\n");
2346                         rc = -EINVAL;
2347                         goto netdev_err;
2348                 }
2349         } else {
2350                 printk(KERN_ERR PFX "unable to obtain drv_info\n");
2351                 rc = -EINVAL;
2352                 goto netdev_err;
2353         }
2354
2355         /* obtain interface and initialize rest of the structure */
2356         hba = bnx2fc_hba_lookup(phys_dev);
2357         if (!hba) {
2358                 rc = -ENODEV;
2359                 printk(KERN_ERR PFX "bnx2fc_create: hba not found\n");
2360                 goto netdev_err;
2361         }
2362
2363         if (bnx2fc_interface_lookup(netdev)) {
2364                 rc = -EEXIST;
2365                 goto netdev_err;
2366         }
2367
2368         interface = bnx2fc_interface_create(hba, netdev, fip_mode);
2369         if (!interface) {
2370                 printk(KERN_ERR PFX "bnx2fc_interface_create failed\n");
2371                 rc = -ENOMEM;
2372                 goto netdev_err;
2373         }
2374
2375         if (is_vlan_dev(netdev)) {
2376                 vlan_id = vlan_dev_vlan_id(netdev);
2377                 interface->vlan_enabled = 1;
2378         }
2379
2380         ctlr = bnx2fc_to_ctlr(interface);
2381         cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
2382         interface->vlan_id = vlan_id;
2383         interface->tm_timeout = BNX2FC_TM_TIMEOUT;
2384
2385         interface->timer_work_queue =
2386                         create_singlethread_workqueue("bnx2fc_timer_wq");
2387         if (!interface->timer_work_queue) {
2388                 printk(KERN_ERR PFX "ulp_init could not create timer_wq\n");
2389                 rc = -EINVAL;
2390                 goto ifput_err;
2391         }
2392
2393         lport = bnx2fc_if_create(interface, &cdev->dev, 0);
2394         if (!lport) {
2395                 printk(KERN_ERR PFX "Failed to create interface (%s)\n",
2396                         netdev->name);
2397                 rc = -EINVAL;
2398                 goto if_create_err;
2399         }
2400
2401         /* Add interface to if_list */
2402         list_add_tail(&interface->list, &if_list);
2403
2404         lport->boot_time = jiffies;
2405
2406         /* Make this master N_port */
2407         ctlr->lp = lport;
2408
2409         if (link_state == BNX2FC_CREATE_LINK_UP)
2410                 cdev->enabled = FCOE_CTLR_ENABLED;
2411         else
2412                 cdev->enabled = FCOE_CTLR_DISABLED;
2413
2414         if (link_state == BNX2FC_CREATE_LINK_UP &&
2415             !bnx2fc_link_ok(lport)) {
2416                 fcoe_ctlr_link_up(ctlr);
2417                 fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
2418                 set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state);
2419         }
2420
2421         BNX2FC_HBA_DBG(lport, "create: START DISC\n");
2422         bnx2fc_start_disc(interface);
2423
2424         if (link_state == BNX2FC_CREATE_LINK_UP)
2425                 interface->enabled = true;
2426
2427         /*
2428          * Release from kref_init in bnx2fc_interface_setup, on success
2429          * lport should be holding a reference taken in bnx2fc_if_create
2430          */
2431         bnx2fc_interface_put(interface);
2432         /* put netdev that was held while calling dev_get_by_name */
2433         mutex_unlock(&bnx2fc_dev_lock);
2434         rtnl_unlock();
2435         return 0;
2436
2437 if_create_err:
2438         destroy_workqueue(interface->timer_work_queue);
2439 ifput_err:
2440         bnx2fc_net_cleanup(interface);
2441         bnx2fc_interface_put(interface);
2442         goto mod_err;
2443 netdev_err:
2444         module_put(THIS_MODULE);
2445 mod_err:
2446         mutex_unlock(&bnx2fc_dev_lock);
2447         rtnl_unlock();
2448         return rc;
2449 }
2450
2451 /**
2452  * bnx2fc_create() - Create a bnx2fc interface
2453  * @netdev  : The net_device object the Ethernet interface to create on
2454  * @fip_mode: The FIP mode for this creation
2455  *
2456  * Called from fcoe transport
2457  *
2458  * Returns: 0 for success
2459  */
2460 static int bnx2fc_create(struct net_device *netdev, enum fip_mode fip_mode)
2461 {
2462         return _bnx2fc_create(netdev, fip_mode, BNX2FC_CREATE_LINK_UP);
2463 }
2464
2465 /**
2466  * bnx2fc_ctlr_alloc() - Allocate a bnx2fc interface from fcoe_sysfs
2467  * @netdev: The net_device to be used by the allocated FCoE Controller
2468  *
2469  * This routine is called from fcoe_sysfs. It will start the fcoe_ctlr
2470  * in a link_down state. The allows the user an opportunity to configure
2471  * the FCoE Controller from sysfs before enabling the FCoE Controller.
2472  *
2473  * Creating in with this routine starts the FCoE Controller in Fabric
2474  * mode. The user can change to VN2VN or another mode before enabling.
2475  */
2476 static int bnx2fc_ctlr_alloc(struct net_device *netdev)
2477 {
2478         return _bnx2fc_create(netdev, FIP_MODE_FABRIC,
2479                               BNX2FC_CREATE_LINK_DOWN);
2480 }
2481
2482 /**
2483  * bnx2fc_find_hba_for_cnic - maps cnic instance to bnx2fc hba instance
2484  *
2485  * @cnic:       Pointer to cnic device instance
2486  *
2487  **/
2488 static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic)
2489 {
2490         struct bnx2fc_hba *hba;
2491
2492         /* Called with bnx2fc_dev_lock held */
2493         list_for_each_entry(hba, &adapter_list, list) {
2494                 if (hba->cnic == cnic)
2495                         return hba;
2496         }
2497         return NULL;
2498 }
2499
2500 static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device
2501                                                         *netdev)
2502 {
2503         struct bnx2fc_interface *interface;
2504
2505         /* Called with bnx2fc_dev_lock held */
2506         list_for_each_entry(interface, &if_list, list) {
2507                 if (interface->netdev == netdev)
2508                         return interface;
2509         }
2510         return NULL;
2511 }
2512
2513 static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device
2514                                                       *phys_dev)
2515 {
2516         struct bnx2fc_hba *hba;
2517
2518         /* Called with bnx2fc_dev_lock held */
2519         list_for_each_entry(hba, &adapter_list, list) {
2520                 if (hba->phys_dev == phys_dev)
2521                         return hba;
2522         }
2523         printk(KERN_ERR PFX "adapter_lookup: hba NULL\n");
2524         return NULL;
2525 }
2526
2527 /**
2528  * bnx2fc_ulp_exit - shuts down adapter instance and frees all resources
2529  *
2530  * @dev         cnic device handle
2531  */
2532 static void bnx2fc_ulp_exit(struct cnic_dev *dev)
2533 {
2534         struct bnx2fc_hba *hba;
2535         struct bnx2fc_interface *interface, *tmp;
2536
2537         BNX2FC_MISC_DBG("Entered bnx2fc_ulp_exit\n");
2538
2539         if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
2540                 printk(KERN_ERR PFX "bnx2fc port check: %s, flags: %lx\n",
2541                         dev->netdev->name, dev->flags);
2542                 return;
2543         }
2544
2545         mutex_lock(&bnx2fc_dev_lock);
2546         hba = bnx2fc_find_hba_for_cnic(dev);
2547         if (!hba) {
2548                 printk(KERN_ERR PFX "bnx2fc_ulp_exit: hba not found, dev 0%p\n",
2549                        dev);
2550                 mutex_unlock(&bnx2fc_dev_lock);
2551                 return;
2552         }
2553
2554         list_del_init(&hba->list);
2555         adapter_count--;
2556
2557         list_for_each_entry_safe(interface, tmp, &if_list, list)
2558                 /* destroy not called yet, move to quiesced list */
2559                 if (interface->hba == hba)
2560                         __bnx2fc_destroy(interface);
2561         mutex_unlock(&bnx2fc_dev_lock);
2562
2563         bnx2fc_ulp_stop(hba);
2564         /* unregister cnic device */
2565         if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic))
2566                 hba->cnic->unregister_device(hba->cnic, CNIC_ULP_FCOE);
2567         bnx2fc_hba_destroy(hba);
2568 }
2569
2570 static void bnx2fc_rport_terminate_io(struct fc_rport *rport)
2571 {
2572         /* This is a no-op */
2573 }
2574
2575 /**
2576  * bnx2fc_fcoe_reset - Resets the fcoe
2577  *
2578  * @shost: shost the reset is from
2579  *
2580  * Returns: always 0
2581  */
2582 static int bnx2fc_fcoe_reset(struct Scsi_Host *shost)
2583 {
2584         struct fc_lport *lport = shost_priv(shost);
2585         fc_lport_reset(lport);
2586         return 0;
2587 }
2588
2589
2590 static bool bnx2fc_match(struct net_device *netdev)
2591 {
2592         struct net_device *phys_dev = netdev;
2593
2594         mutex_lock(&bnx2fc_dev_lock);
2595         if (is_vlan_dev(netdev))
2596                 phys_dev = vlan_dev_real_dev(netdev);
2597
2598         if (bnx2fc_hba_lookup(phys_dev)) {
2599                 mutex_unlock(&bnx2fc_dev_lock);
2600                 return true;
2601         }
2602
2603         mutex_unlock(&bnx2fc_dev_lock);
2604         return false;
2605 }
2606
2607
2608 static struct fcoe_transport bnx2fc_transport = {
2609         .name = {"bnx2fc"},
2610         .attached = false,
2611         .list = LIST_HEAD_INIT(bnx2fc_transport.list),
2612         .alloc = bnx2fc_ctlr_alloc,
2613         .match = bnx2fc_match,
2614         .create = bnx2fc_create,
2615         .destroy = bnx2fc_destroy,
2616         .enable = bnx2fc_enable,
2617         .disable = bnx2fc_disable,
2618 };
2619
2620 /**
2621  * bnx2fc_cpu_online - Create a receive thread for an  online CPU
2622  *
2623  * @cpu: cpu index for the online cpu
2624  */
2625 static int bnx2fc_cpu_online(unsigned int cpu)
2626 {
2627         struct bnx2fc_percpu_s *p;
2628         struct task_struct *thread;
2629
2630         p = &per_cpu(bnx2fc_percpu, cpu);
2631
2632         thread = kthread_create_on_node(bnx2fc_percpu_io_thread,
2633                                         (void *)p, cpu_to_node(cpu),
2634                                         "bnx2fc_thread/%d", cpu);
2635         if (IS_ERR(thread))
2636                 return PTR_ERR(thread);
2637
2638         /* bind thread to the cpu */
2639         kthread_bind(thread, cpu);
2640         p->iothread = thread;
2641         wake_up_process(thread);
2642         return 0;
2643 }
2644
2645 static int bnx2fc_cpu_offline(unsigned int cpu)
2646 {
2647         struct bnx2fc_percpu_s *p;
2648         struct task_struct *thread;
2649         struct bnx2fc_work *work, *tmp;
2650
2651         BNX2FC_MISC_DBG("destroying io thread for CPU %d\n", cpu);
2652
2653         /* Prevent any new work from being queued for this CPU */
2654         p = &per_cpu(bnx2fc_percpu, cpu);
2655         spin_lock_bh(&p->fp_work_lock);
2656         thread = p->iothread;
2657         p->iothread = NULL;
2658
2659         /* Free all work in the list */
2660         list_for_each_entry_safe(work, tmp, &p->work_list, list) {
2661                 list_del_init(&work->list);
2662                 bnx2fc_process_cq_compl(work->tgt, work->wqe);
2663                 kfree(work);
2664         }
2665
2666         spin_unlock_bh(&p->fp_work_lock);
2667
2668         if (thread)
2669                 kthread_stop(thread);
2670         return 0;
2671 }
2672
2673 static int bnx2fc_slave_configure(struct scsi_device *sdev)
2674 {
2675         if (!bnx2fc_queue_depth)
2676                 return 0;
2677
2678         scsi_change_queue_depth(sdev, bnx2fc_queue_depth);
2679         return 0;
2680 }
2681
2682 static enum cpuhp_state bnx2fc_online_state;
2683
2684 /**
2685  * bnx2fc_mod_init - module init entry point
2686  *
2687  * Initialize driver wide global data structures, and register
2688  * with cnic module
2689  **/
2690 static int __init bnx2fc_mod_init(void)
2691 {
2692         struct fcoe_percpu_s *bg;
2693         struct task_struct *l2_thread;
2694         int rc = 0;
2695         unsigned int cpu = 0;
2696         struct bnx2fc_percpu_s *p;
2697
2698         printk(KERN_INFO PFX "%s", version);
2699
2700         /* register as a fcoe transport */
2701         rc = fcoe_transport_attach(&bnx2fc_transport);
2702         if (rc) {
2703                 printk(KERN_ERR "failed to register an fcoe transport, check "
2704                         "if libfcoe is loaded\n");
2705                 goto out;
2706         }
2707
2708         INIT_LIST_HEAD(&adapter_list);
2709         INIT_LIST_HEAD(&if_list);
2710         mutex_init(&bnx2fc_dev_lock);
2711         adapter_count = 0;
2712
2713         /* Attach FC transport template */
2714         rc = bnx2fc_attach_transport();
2715         if (rc)
2716                 goto detach_ft;
2717
2718         bnx2fc_wq = alloc_workqueue("bnx2fc", 0, 0);
2719         if (!bnx2fc_wq) {
2720                 rc = -ENOMEM;
2721                 goto release_bt;
2722         }
2723
2724         bg = &bnx2fc_global;
2725         skb_queue_head_init(&bg->fcoe_rx_list);
2726         l2_thread = kthread_create(bnx2fc_l2_rcv_thread,
2727                                    (void *)bg,
2728                                    "bnx2fc_l2_thread");
2729         if (IS_ERR(l2_thread)) {
2730                 rc = PTR_ERR(l2_thread);
2731                 goto free_wq;
2732         }
2733         wake_up_process(l2_thread);
2734         spin_lock_bh(&bg->fcoe_rx_list.lock);
2735         bg->kthread = l2_thread;
2736         spin_unlock_bh(&bg->fcoe_rx_list.lock);
2737
2738         for_each_possible_cpu(cpu) {
2739                 p = &per_cpu(bnx2fc_percpu, cpu);
2740                 INIT_LIST_HEAD(&p->work_list);
2741                 spin_lock_init(&p->fp_work_lock);
2742         }
2743
2744         rc = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "scsi/bnx2fc:online",
2745                                bnx2fc_cpu_online, bnx2fc_cpu_offline);
2746         if (rc < 0)
2747                 goto stop_thread;
2748         bnx2fc_online_state = rc;
2749
2750         cnic_register_driver(CNIC_ULP_FCOE, &bnx2fc_cnic_cb);
2751         return 0;
2752
2753 stop_thread:
2754         kthread_stop(l2_thread);
2755 free_wq:
2756         destroy_workqueue(bnx2fc_wq);
2757 release_bt:
2758         bnx2fc_release_transport();
2759 detach_ft:
2760         fcoe_transport_detach(&bnx2fc_transport);
2761 out:
2762         return rc;
2763 }
2764
2765 static void __exit bnx2fc_mod_exit(void)
2766 {
2767         LIST_HEAD(to_be_deleted);
2768         struct bnx2fc_hba *hba, *next;
2769         struct fcoe_percpu_s *bg;
2770         struct task_struct *l2_thread;
2771         struct sk_buff *skb;
2772
2773         /*
2774          * NOTE: Since cnic calls register_driver routine rtnl_lock,
2775          * it will have higher precedence than bnx2fc_dev_lock.
2776          * unregister_device() cannot be called with bnx2fc_dev_lock
2777          * held.
2778          */
2779         mutex_lock(&bnx2fc_dev_lock);
2780         list_splice_init(&adapter_list, &to_be_deleted);
2781         adapter_count = 0;
2782         mutex_unlock(&bnx2fc_dev_lock);
2783
2784         /* Unregister with cnic */
2785         list_for_each_entry_safe(hba, next, &to_be_deleted, list) {
2786                 list_del_init(&hba->list);
2787                 printk(KERN_ERR PFX "MOD_EXIT:destroy hba = 0x%p\n",
2788                        hba);
2789                 bnx2fc_ulp_stop(hba);
2790                 /* unregister cnic device */
2791                 if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED,
2792                                        &hba->reg_with_cnic))
2793                         hba->cnic->unregister_device(hba->cnic,
2794                                                          CNIC_ULP_FCOE);
2795                 bnx2fc_hba_destroy(hba);
2796         }
2797         cnic_unregister_driver(CNIC_ULP_FCOE);
2798
2799         /* Destroy global thread */
2800         bg = &bnx2fc_global;
2801         spin_lock_bh(&bg->fcoe_rx_list.lock);
2802         l2_thread = bg->kthread;
2803         bg->kthread = NULL;
2804         while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL)
2805                 kfree_skb(skb);
2806
2807         spin_unlock_bh(&bg->fcoe_rx_list.lock);
2808
2809         if (l2_thread)
2810                 kthread_stop(l2_thread);
2811
2812         cpuhp_remove_state(bnx2fc_online_state);
2813
2814         destroy_workqueue(bnx2fc_wq);
2815         /*
2816          * detach from scsi transport
2817          * must happen after all destroys are done
2818          */
2819         bnx2fc_release_transport();
2820
2821         /* detach from fcoe transport */
2822         fcoe_transport_detach(&bnx2fc_transport);
2823 }
2824
2825 module_init(bnx2fc_mod_init);
2826 module_exit(bnx2fc_mod_exit);
2827
2828 static struct fcoe_sysfs_function_template bnx2fc_fcoe_sysfs_templ = {
2829         .set_fcoe_ctlr_enabled = bnx2fc_ctlr_enabled,
2830         .get_fcoe_ctlr_link_fail = fcoe_ctlr_get_lesb,
2831         .get_fcoe_ctlr_vlink_fail = fcoe_ctlr_get_lesb,
2832         .get_fcoe_ctlr_miss_fka = fcoe_ctlr_get_lesb,
2833         .get_fcoe_ctlr_symb_err = fcoe_ctlr_get_lesb,
2834         .get_fcoe_ctlr_err_block = fcoe_ctlr_get_lesb,
2835         .get_fcoe_ctlr_fcs_error = fcoe_ctlr_get_lesb,
2836
2837         .get_fcoe_fcf_selected = fcoe_fcf_get_selected,
2838         .get_fcoe_fcf_vlan_id = bnx2fc_fcf_get_vlan_id,
2839 };
2840
2841 static struct fc_function_template bnx2fc_transport_function = {
2842         .show_host_node_name = 1,
2843         .show_host_port_name = 1,
2844         .show_host_supported_classes = 1,
2845         .show_host_supported_fc4s = 1,
2846         .show_host_active_fc4s = 1,
2847         .show_host_maxframe_size = 1,
2848
2849         .show_host_port_id = 1,
2850         .show_host_supported_speeds = 1,
2851         .get_host_speed = fc_get_host_speed,
2852         .show_host_speed = 1,
2853         .show_host_port_type = 1,
2854         .get_host_port_state = fc_get_host_port_state,
2855         .show_host_port_state = 1,
2856         .show_host_symbolic_name = 1,
2857
2858         .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) +
2859                                 sizeof(struct bnx2fc_rport)),
2860         .show_rport_maxframe_size = 1,
2861         .show_rport_supported_classes = 1,
2862
2863         .show_host_fabric_name = 1,
2864         .show_starget_node_name = 1,
2865         .show_starget_port_name = 1,
2866         .show_starget_port_id = 1,
2867         .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo,
2868         .show_rport_dev_loss_tmo = 1,
2869         .get_fc_host_stats = bnx2fc_get_host_stats,
2870
2871         .issue_fc_host_lip = bnx2fc_fcoe_reset,
2872
2873         .terminate_rport_io = bnx2fc_rport_terminate_io,
2874
2875         .vport_create = bnx2fc_vport_create,
2876         .vport_delete = bnx2fc_vport_destroy,
2877         .vport_disable = bnx2fc_vport_disable,
2878         .bsg_request = fc_lport_bsg_request,
2879 };
2880
2881 static struct fc_function_template bnx2fc_vport_xport_function = {
2882         .show_host_node_name = 1,
2883         .show_host_port_name = 1,
2884         .show_host_supported_classes = 1,
2885         .show_host_supported_fc4s = 1,
2886         .show_host_active_fc4s = 1,
2887         .show_host_maxframe_size = 1,
2888
2889         .show_host_port_id = 1,
2890         .show_host_supported_speeds = 1,
2891         .get_host_speed = fc_get_host_speed,
2892         .show_host_speed = 1,
2893         .show_host_port_type = 1,
2894         .get_host_port_state = fc_get_host_port_state,
2895         .show_host_port_state = 1,
2896         .show_host_symbolic_name = 1,
2897
2898         .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) +
2899                                 sizeof(struct bnx2fc_rport)),
2900         .show_rport_maxframe_size = 1,
2901         .show_rport_supported_classes = 1,
2902
2903         .show_host_fabric_name = 1,
2904         .show_starget_node_name = 1,
2905         .show_starget_port_name = 1,
2906         .show_starget_port_id = 1,
2907         .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo,
2908         .show_rport_dev_loss_tmo = 1,
2909         .get_fc_host_stats = fc_get_host_stats,
2910         .issue_fc_host_lip = bnx2fc_fcoe_reset,
2911         .terminate_rport_io = fc_rport_terminate_io,
2912         .bsg_request = fc_lport_bsg_request,
2913 };
2914
2915 /*
2916  * Additional scsi_host attributes.
2917  */
2918 static ssize_t
2919 bnx2fc_tm_timeout_show(struct device *dev, struct device_attribute *attr,
2920         char *buf)
2921 {
2922         struct Scsi_Host *shost = class_to_shost(dev);
2923         struct fc_lport *lport = shost_priv(shost);
2924         struct fcoe_port *port = lport_priv(lport);
2925         struct bnx2fc_interface *interface = port->priv;
2926
2927         sprintf(buf, "%u\n", interface->tm_timeout);
2928         return strlen(buf);
2929 }
2930
2931 static ssize_t
2932 bnx2fc_tm_timeout_store(struct device *dev,
2933         struct device_attribute *attr, const char *buf, size_t count)
2934 {
2935         struct Scsi_Host *shost = class_to_shost(dev);
2936         struct fc_lport *lport = shost_priv(shost);
2937         struct fcoe_port *port = lport_priv(lport);
2938         struct bnx2fc_interface *interface = port->priv;
2939         int rval, val;
2940
2941         rval = kstrtouint(buf, 10, &val);
2942         if (rval)
2943                 return rval;
2944         if (val > 255)
2945                 return -ERANGE;
2946
2947         interface->tm_timeout = (u8)val;
2948         return strlen(buf);
2949 }
2950
2951 static DEVICE_ATTR(tm_timeout, S_IRUGO|S_IWUSR, bnx2fc_tm_timeout_show,
2952         bnx2fc_tm_timeout_store);
2953
2954 static struct device_attribute *bnx2fc_host_attrs[] = {
2955         &dev_attr_tm_timeout,
2956         NULL,
2957 };
2958
2959 /**
2960  * scsi_host_template structure used while registering with SCSI-ml
2961  */
2962 static struct scsi_host_template bnx2fc_shost_template = {
2963         .module                 = THIS_MODULE,
2964         .name                   = "QLogic Offload FCoE Initiator",
2965         .queuecommand           = bnx2fc_queuecommand,
2966         .eh_timed_out           = fc_eh_timed_out,
2967         .eh_abort_handler       = bnx2fc_eh_abort,        /* abts */
2968         .eh_device_reset_handler = bnx2fc_eh_device_reset, /* lun reset */
2969         .eh_target_reset_handler = bnx2fc_eh_target_reset, /* tgt reset */
2970         .eh_host_reset_handler  = fc_eh_host_reset,
2971         .slave_alloc            = fc_slave_alloc,
2972         .change_queue_depth     = scsi_change_queue_depth,
2973         .this_id                = -1,
2974         .cmd_per_lun            = 3,
2975         .use_clustering         = ENABLE_CLUSTERING,
2976         .sg_tablesize           = BNX2FC_MAX_BDS_PER_CMD,
2977         .max_sectors            = 1024,
2978         .track_queue_depth      = 1,
2979         .slave_configure        = bnx2fc_slave_configure,
2980         .shost_attrs            = bnx2fc_host_attrs,
2981 };
2982
2983 static struct libfc_function_template bnx2fc_libfc_fcn_templ = {
2984         .frame_send             = bnx2fc_xmit,
2985         .elsct_send             = bnx2fc_elsct_send,
2986         .fcp_abort_io           = bnx2fc_abort_io,
2987         .fcp_cleanup            = bnx2fc_cleanup,
2988         .get_lesb               = fcoe_get_lesb,
2989         .rport_event_callback   = bnx2fc_rport_event_handler,
2990 };
2991
2992 /**
2993  * bnx2fc_cnic_cb - global template of bnx2fc - cnic driver interface
2994  *                      structure carrying callback function pointers
2995  */
2996 static struct cnic_ulp_ops bnx2fc_cnic_cb = {
2997         .owner                  = THIS_MODULE,
2998         .cnic_init              = bnx2fc_ulp_init,
2999         .cnic_exit              = bnx2fc_ulp_exit,
3000         .cnic_start             = bnx2fc_ulp_start,
3001         .cnic_stop              = bnx2fc_ulp_stop,
3002         .indicate_kcqes         = bnx2fc_indicate_kcqe,
3003         .indicate_netevent      = bnx2fc_indicate_netevent,
3004         .cnic_get_stats         = bnx2fc_ulp_get_stats,
3005 };