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_destroy_work(struct work_struct *work);
  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
 154         bg = &bnx2fc_global;
 155         spin_lock_bh(&bg->fcoe_rx_list.lock);
 156         list = &bg->fcoe_rx_list;
 157         skb_queue_walk_safe(list, skb, next) {
 158                 fr = fcoe_dev_from_skb(skb);
 159                 if (fr->fr_dev == lp) {
 160                         __skb_unlink(skb, list);
 161                         kfree_skb(skb);
 162                 }
 163         }
 164         spin_unlock_bh(&bg->fcoe_rx_list.lock);
 165 }
 166
 167 int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen)
 168 {
 169         int rc;
 170         spin_lock(&bnx2fc_global_lock);
 171         rc = fcoe_get_paged_crc_eof(skb, tlen, &bnx2fc_global);
 172         spin_unlock(&bnx2fc_global_lock);
 173
 174         return rc;
 175 }
 176
 177 static void bnx2fc_abort_io(struct fc_lport *lport)
 178 {
 179         /*
 180          * This function is no-op for bnx2fc, but we do
 181          * not want to leave it as NULL either, as libfc
 182          * can call the default function which is
 183          * fc_fcp_abort_io.
 184          */
 185 }
 186
 187 static void bnx2fc_cleanup(struct fc_lport *lport)
 188 {
 189         struct fcoe_port *port = lport_priv(lport);
 190         struct bnx2fc_interface *interface = port->priv;
 191         struct bnx2fc_hba *hba = interface->hba;
 192         struct bnx2fc_rport *tgt;
 193         int i;
 194
 195         BNX2FC_MISC_DBG("Entered %s\n", __func__);
 196         mutex_lock(&hba->hba_mutex);
 197         spin_lock_bh(&hba->hba_lock);
 198         for (i = 0; i < BNX2FC_NUM_MAX_SESS; i++) {
 199                 tgt = hba->tgt_ofld_list[i];
 200                 if (tgt) {
 201                         /* Cleanup IOs belonging to requested vport */
 202                         if (tgt->port == port) {
 203                                 spin_unlock_bh(&hba->hba_lock);
 204                                 BNX2FC_TGT_DBG(tgt, "flush/cleanup\n");
 205                                 bnx2fc_flush_active_ios(tgt);
 206                                 spin_lock_bh(&hba->hba_lock);
 207                         }
 208                 }
 209         }
 210         spin_unlock_bh(&hba->hba_lock);
 211         mutex_unlock(&hba->hba_mutex);
 212 }
 213
 214 static int bnx2fc_xmit_l2_frame(struct bnx2fc_rport *tgt,
 215                              struct fc_frame *fp)
 216 {
 217         struct fc_rport_priv *rdata = tgt->rdata;
 218         struct fc_frame_header *fh;
 219         int rc = 0;
 220
 221         fh = fc_frame_header_get(fp);
 222         BNX2FC_TGT_DBG(tgt, "Xmit L2 frame rport = 0x%x, oxid = 0x%x, "
 223                         "r_ctl = 0x%x\n", rdata->ids.port_id,
 224                         ntohs(fh->fh_ox_id), fh->fh_r_ctl);
 225         if ((fh->fh_type == FC_TYPE_ELS) &&
 226             (fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
 227
 228                 switch (fc_frame_payload_op(fp)) {
 229                 case ELS_ADISC:
 230                         rc = bnx2fc_send_adisc(tgt, fp);
 231                         break;
 232                 case ELS_LOGO:
 233                         rc = bnx2fc_send_logo(tgt, fp);
 234                         break;
 235                 case ELS_RLS:
 236                         rc = bnx2fc_send_rls(tgt, fp);
 237                         break;
 238                 default:
 239                         break;
 240                 }
 241         } else if ((fh->fh_type ==  FC_TYPE_BLS) &&
 242             (fh->fh_r_ctl == FC_RCTL_BA_ABTS))
 243                 BNX2FC_TGT_DBG(tgt, "ABTS frame\n");
 244         else {
 245                 BNX2FC_TGT_DBG(tgt, "Send L2 frame type 0x%x "
 246                                 "rctl 0x%x thru non-offload path\n",
 247                                 fh->fh_type, fh->fh_r_ctl);
 248                 return -ENODEV;
 249         }
 250         if (rc)
 251                 return -ENOMEM;
 252         else
 253                 return 0;
 254 }
 255
 256 /**
 257  * bnx2fc_xmit - bnx2fc's FCoE frame transmit function
 258  *
 259  * @lport:      the associated local port
 260  * @fp: the fc_frame to be transmitted
 261  */
 262 static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
 263 {
 264         struct ethhdr           *eh;
 265         struct fcoe_crc_eof     *cp;
 266         struct sk_buff          *skb;
 267         struct fc_frame_header  *fh;
 268         struct bnx2fc_interface *interface;
 269         struct fcoe_ctlr        *ctlr;
 270         struct bnx2fc_hba *hba;
 271         struct fcoe_port        *port;
 272         struct fcoe_hdr         *hp;
 273         struct bnx2fc_rport     *tgt;
 274         struct fc_stats         *stats;
 275         u8                      sof, eof;
 276         u32                     crc;
 277         unsigned int            hlen, tlen, elen;
 278         int                     wlen, rc = 0;
 279
 280         port = (struct fcoe_port *)lport_priv(lport);
 281         interface = port->priv;
 282         ctlr = bnx2fc_to_ctlr(interface);
 283         hba = interface->hba;
 284
 285         fh = fc_frame_header_get(fp);
 286
 287         skb = fp_skb(fp);
 288         if (!lport->link_up) {
 289                 BNX2FC_HBA_DBG(lport, "bnx2fc_xmit link down\n");
 290                 kfree_skb(skb);
 291                 return 0;
 292         }
 293
 294         if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
 295                 if (!ctlr->sel_fcf) {
 296                         BNX2FC_HBA_DBG(lport, "FCF not selected yet!\n");
 297                         kfree_skb(skb);
 298                         return -EINVAL;
 299                 }
 300                 if (fcoe_ctlr_els_send(ctlr, lport, skb))
 301                         return 0;
 302         }
 303
 304         sof = fr_sof(fp);
 305         eof = fr_eof(fp);
 306
 307         /*
 308          * Snoop the frame header to check if the frame is for
 309          * an offloaded session
 310          */
 311         /*
 312          * tgt_ofld_list access is synchronized using
 313          * both hba mutex and hba lock. Atleast hba mutex or
 314          * hba lock needs to be held for read access.
 315          */
 316
 317         spin_lock_bh(&hba->hba_lock);
 318         tgt = bnx2fc_tgt_lookup(port, ntoh24(fh->fh_d_id));
 319         if (tgt && (test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags))) {
 320                 /* This frame is for offloaded session */
 321                 BNX2FC_HBA_DBG(lport, "xmit: Frame is for offloaded session "
 322                                 "port_id = 0x%x\n", ntoh24(fh->fh_d_id));
 323                 spin_unlock_bh(&hba->hba_lock);
 324                 rc = bnx2fc_xmit_l2_frame(tgt, fp);
 325                 if (rc != -ENODEV) {
 326                         kfree_skb(skb);
 327                         return rc;
 328                 }
 329         } else {
 330                 spin_unlock_bh(&hba->hba_lock);
 331         }
 332
 333         elen = sizeof(struct ethhdr);
 334         hlen = sizeof(struct fcoe_hdr);
 335         tlen = sizeof(struct fcoe_crc_eof);
 336         wlen = (skb->len - tlen + sizeof(crc)) / FCOE_WORD_TO_BYTE;
 337
 338         skb->ip_summed = CHECKSUM_NONE;
 339         crc = fcoe_fc_crc(fp);
 340
 341         /* copy port crc and eof to the skb buff */
 342         if (skb_is_nonlinear(skb)) {
 343                 skb_frag_t *frag;
 344                 if (bnx2fc_get_paged_crc_eof(skb, tlen)) {
 345                         kfree_skb(skb);
 346                         return -ENOMEM;
 347                 }
 348                 frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
 349                 cp = kmap_atomic(skb_frag_page(frag)) + skb_frag_off(frag);
 350         } else {
 351                 cp = skb_put(skb, tlen);
 352         }
 353
 354         memset(cp, 0, sizeof(*cp));
 355         cp->fcoe_eof = eof;
 356         cp->fcoe_crc32 = cpu_to_le32(~crc);
 357         if (skb_is_nonlinear(skb)) {
 358                 kunmap_atomic(cp);
 359                 cp = NULL;
 360         }
 361
 362         /* adjust skb network/transport offsets to match mac/fcoe/port */
 363         skb_push(skb, elen + hlen);
 364         skb_reset_mac_header(skb);
 365         skb_reset_network_header(skb);
 366         skb->mac_len = elen;
 367         skb->protocol = htons(ETH_P_FCOE);
 368         skb->dev = interface->netdev;
 369
 370         /* fill up mac and fcoe headers */
 371         eh = eth_hdr(skb);
 372         eh->h_proto = htons(ETH_P_FCOE);
 373         if (ctlr->map_dest)
 374                 fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id);
 375         else
 376                 /* insert GW address */
 377                 memcpy(eh->h_dest, ctlr->dest_addr, ETH_ALEN);
 378
 379         if (unlikely(ctlr->flogi_oxid != FC_XID_UNKNOWN))
 380                 memcpy(eh->h_source, ctlr->ctl_src_addr, ETH_ALEN);
 381         else
 382                 memcpy(eh->h_source, port->data_src_addr, ETH_ALEN);
 383
 384         hp = (struct fcoe_hdr *)(eh + 1);
 385         memset(hp, 0, sizeof(*hp));
 386         if (FC_FCOE_VER)
 387                 FC_FCOE_ENCAPS_VER(hp, FC_FCOE_VER);
 388         hp->fcoe_sof = sof;
 389
 390         /* fcoe lso, mss is in max_payload which is non-zero for FCP data */
 391         if (lport->seq_offload && fr_max_payload(fp)) {
 392                 skb_shinfo(skb)->gso_type = SKB_GSO_FCOE;
 393                 skb_shinfo(skb)->gso_size = fr_max_payload(fp);
 394         } else {
 395                 skb_shinfo(skb)->gso_type = 0;
 396                 skb_shinfo(skb)->gso_size = 0;
 397         }
 398
 399         /*update tx stats */
 400         stats = per_cpu_ptr(lport->stats, get_cpu());
 401         stats->TxFrames++;
 402         stats->TxWords += wlen;
 403         put_cpu();
 404
 405         /* send down to lld */
 406         fr_dev(fp) = lport;
 407         if (port->fcoe_pending_queue.qlen)
 408                 fcoe_check_wait_queue(lport, skb);
 409         else if (fcoe_start_io(skb))
 410                 fcoe_check_wait_queue(lport, skb);
 411
 412         return 0;
 413 }
 414
 415 /**
 416  * bnx2fc_rcv - This is bnx2fc's receive function called by NET_RX_SOFTIRQ
 417  *
 418  * @skb:        the receive socket buffer
 419  * @dev:        associated net device
 420  * @ptype:      context
 421  * @olddev:     last device
 422  *
 423  * This function receives the packet and builds FC frame and passes it up
 424  */
 425 static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
 426                 struct packet_type *ptype, struct net_device *olddev)
 427 {
 428         struct fc_lport *lport;
 429         struct bnx2fc_interface *interface;
 430         struct fcoe_ctlr *ctlr;
 431         struct fcoe_rcv_info *fr;
 432         struct fcoe_percpu_s *bg;
 433         struct sk_buff *tmp_skb;
 434
 435         interface = container_of(ptype, struct bnx2fc_interface,
 436                                  fcoe_packet_type);
 437         ctlr = bnx2fc_to_ctlr(interface);
 438         lport = ctlr->lp;
 439
 440         if (unlikely(lport == NULL)) {
 441                 printk(KERN_ERR PFX "bnx2fc_rcv: lport is NULL\n");
 442                 goto err;
 443         }
 444
 445         tmp_skb = skb_share_check(skb, GFP_ATOMIC);
 446         if (!tmp_skb)
 447                 goto err;
 448
 449         skb = tmp_skb;
 450
 451         if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
 452                 printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n");
 453                 goto err;
 454         }
 455
 456         /*
 457          * Check for minimum frame length, and make sure required FCoE
 458          * and FC headers are pulled into the linear data area.
 459          */
 460         if (unlikely((skb->len < FCOE_MIN_FRAME) ||
 461             !pskb_may_pull(skb, FCOE_HEADER_LEN)))
 462                 goto err;
 463
 464         skb_set_transport_header(skb, sizeof(struct fcoe_hdr));
 465
 466         fr = fcoe_dev_from_skb(skb);
 467         fr->fr_dev = lport;
 468
 469         bg = &bnx2fc_global;
 470         spin_lock(&bg->fcoe_rx_list.lock);
 471
 472         __skb_queue_tail(&bg->fcoe_rx_list, skb);
 473         if (bg->fcoe_rx_list.qlen == 1)
 474                 wake_up_process(bg->kthread);
 475
 476         spin_unlock(&bg->fcoe_rx_list.lock);
 477
 478         return 0;
 479 err:
 480         kfree_skb(skb);
 481         return -1;
 482 }
 483
 484 static int bnx2fc_l2_rcv_thread(void *arg)
 485 {
 486         struct fcoe_percpu_s *bg = arg;
 487         struct sk_buff *skb;
 488
 489         set_user_nice(current, MIN_NICE);
 490         set_current_state(TASK_INTERRUPTIBLE);
 491         while (!kthread_should_stop()) {
 492                 schedule();
 493                 spin_lock_bh(&bg->fcoe_rx_list.lock);
 494                 while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL) {
 495                         spin_unlock_bh(&bg->fcoe_rx_list.lock);
 496                         bnx2fc_recv_frame(skb);
 497                         spin_lock_bh(&bg->fcoe_rx_list.lock);
 498                 }
 499                 __set_current_state(TASK_INTERRUPTIBLE);
 500                 spin_unlock_bh(&bg->fcoe_rx_list.lock);
 501         }
 502         __set_current_state(TASK_RUNNING);
 503         return 0;
 504 }
 505
 506
 507 static void bnx2fc_recv_frame(struct sk_buff *skb)
 508 {
 509         u32 fr_len;
 510         struct fc_lport *lport;
 511         struct fcoe_rcv_info *fr;
 512         struct fc_stats *stats;
 513         struct fc_frame_header *fh;
 514         struct fcoe_crc_eof crc_eof;
 515         struct fc_frame *fp;
 516         struct fc_lport *vn_port;
 517         struct fcoe_port *port, *phys_port;
 518         u8 *mac = NULL;
 519         u8 *dest_mac = NULL;
 520         struct fcoe_hdr *hp;
 521         struct bnx2fc_interface *interface;
 522         struct fcoe_ctlr *ctlr;
 523
 524         fr = fcoe_dev_from_skb(skb);
 525         lport = fr->fr_dev;
 526         if (unlikely(lport == NULL)) {
 527                 printk(KERN_ERR PFX "Invalid lport struct\n");
 528                 kfree_skb(skb);
 529                 return;
 530         }
 531
 532         if (skb_is_nonlinear(skb))
 533                 skb_linearize(skb);
 534         mac = eth_hdr(skb)->h_source;
 535         dest_mac = eth_hdr(skb)->h_dest;
 536
 537         /* Pull the header */
 538         hp = (struct fcoe_hdr *) skb_network_header(skb);
 539         fh = (struct fc_frame_header *) skb_transport_header(skb);
 540         skb_pull(skb, sizeof(struct fcoe_hdr));
 541         fr_len = skb->len - sizeof(struct fcoe_crc_eof);
 542
 543         fp = (struct fc_frame *)skb;
 544         fc_frame_init(fp);
 545         fr_dev(fp) = lport;
 546         fr_sof(fp) = hp->fcoe_sof;
 547         if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) {
 548                 kfree_skb(skb);
 549                 return;
 550         }
 551         fr_eof(fp) = crc_eof.fcoe_eof;
 552         fr_crc(fp) = crc_eof.fcoe_crc32;
 553         if (pskb_trim(skb, fr_len)) {
 554                 kfree_skb(skb);
 555                 return;
 556         }
 557
 558         phys_port = lport_priv(lport);
 559         interface = phys_port->priv;
 560         ctlr = bnx2fc_to_ctlr(interface);
 561
 562         fh = fc_frame_header_get(fp);
 563
 564         if (ntoh24(&dest_mac[3]) != ntoh24(fh->fh_d_id)) {
 565                 BNX2FC_HBA_DBG(lport, "FC frame d_id mismatch with MAC %pM.\n",
 566                     dest_mac);
 567                 kfree_skb(skb);
 568                 return;
 569         }
 570
 571         vn_port = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id));
 572         if (vn_port) {
 573                 port = lport_priv(vn_port);
 574                 if (!ether_addr_equal(port->data_src_addr, dest_mac)) {
 575                         BNX2FC_HBA_DBG(lport, "fpma mismatch\n");
 576                         kfree_skb(skb);
 577                         return;
 578                 }
 579         }
 580         if (ctlr->state) {
 581                 if (!ether_addr_equal(mac, ctlr->dest_addr)) {
 582                         BNX2FC_HBA_DBG(lport, "Wrong source address: mac:%pM dest_addr:%pM.\n",
 583                             mac, ctlr->dest_addr);
 584                         kfree_skb(skb);
 585                         return;
 586                 }
 587         }
 588         if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA &&
 589             fh->fh_type == FC_TYPE_FCP) {
 590                 /* Drop FCP data. We dont this in L2 path */
 591                 kfree_skb(skb);
 592                 return;
 593         }
 594         if (fh->fh_r_ctl == FC_RCTL_ELS_REQ &&
 595             fh->fh_type == FC_TYPE_ELS) {
 596                 switch (fc_frame_payload_op(fp)) {
 597                 case ELS_LOGO:
 598                         if (ntoh24(fh->fh_s_id) == FC_FID_FLOGI) {
 599                                 /* drop non-FIP LOGO */
 600                                 kfree_skb(skb);
 601                                 return;
 602                         }
 603                         break;
 604                 }
 605         }
 606
 607         if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) {
 608                 /* Drop incoming ABTS */
 609                 kfree_skb(skb);
 610                 return;
 611         }
 612
 613         /*
 614          * If the destination ID from the frame header does not match what we
 615          * have on record for lport and the search for a NPIV port came up
 616          * empty then this is not addressed to our port so simply drop it.
 617          */
 618         if (lport->port_id != ntoh24(fh->fh_d_id) && !vn_port) {
 619                 BNX2FC_HBA_DBG(lport, "Dropping frame due to destination mismatch: lport->port_id=%x fh->d_id=%x.\n",
 620                     lport->port_id, ntoh24(fh->fh_d_id));
 621                 kfree_skb(skb);
 622                 return;
 623         }
 624
 625         stats = per_cpu_ptr(lport->stats, smp_processor_id());
 626         stats->RxFrames++;
 627         stats->RxWords += fr_len / FCOE_WORD_TO_BYTE;
 628
 629         if (le32_to_cpu(fr_crc(fp)) !=
 630                         ~crc32(~0, skb->data, fr_len)) {
 631                 if (stats->InvalidCRCCount < 5)
 632                         printk(KERN_WARNING PFX "dropping frame with "
 633                                "CRC error\n");
 634                 stats->InvalidCRCCount++;
 635                 kfree_skb(skb);
 636                 return;
 637         }
 638         fc_exch_recv(lport, fp);
 639 }
 640
 641 /**
 642  * bnx2fc_percpu_io_thread - thread per cpu for ios
 643  *
 644  * @arg:        ptr to bnx2fc_percpu_info structure
 645  */
 646 static int bnx2fc_percpu_io_thread(void *arg)
 647 {
 648         struct bnx2fc_percpu_s *p = arg;
 649         struct bnx2fc_work *work, *tmp;
 650         LIST_HEAD(work_list);
 651
 652         set_user_nice(current, MIN_NICE);
 653         set_current_state(TASK_INTERRUPTIBLE);
 654         while (!kthread_should_stop()) {
 655                 schedule();
 656                 spin_lock_bh(&p->fp_work_lock);
 657                 while (!list_empty(&p->work_list)) {
 658                         list_splice_init(&p->work_list, &work_list);
 659                         spin_unlock_bh(&p->fp_work_lock);
 660
 661                         list_for_each_entry_safe(work, tmp, &work_list, list) {
 662                                 list_del_init(&work->list);
 663                                 bnx2fc_process_cq_compl(work->tgt, work->wqe);
 664                                 kfree(work);
 665                         }
 666
 667                         spin_lock_bh(&p->fp_work_lock);
 668                 }
 669                 __set_current_state(TASK_INTERRUPTIBLE);
 670                 spin_unlock_bh(&p->fp_work_lock);
 671         }
 672         __set_current_state(TASK_RUNNING);
 673
 674         return 0;
 675 }
 676
 677 static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost)
 678 {
 679         struct fc_host_statistics *bnx2fc_stats;
 680         struct fc_lport *lport = shost_priv(shost);
 681         struct fcoe_port *port = lport_priv(lport);
 682         struct bnx2fc_interface *interface = port->priv;
 683         struct bnx2fc_hba *hba = interface->hba;
 684         struct fcoe_statistics_params *fw_stats;
 685         int rc = 0;
 686
 687         fw_stats = (struct fcoe_statistics_params *)hba->stats_buffer;
 688         if (!fw_stats)
 689                 return NULL;
 690
 691         mutex_lock(&hba->hba_stats_mutex);
 692
 693         bnx2fc_stats = fc_get_host_stats(shost);
 694
 695         init_completion(&hba->stat_req_done);
 696         if (bnx2fc_send_stat_req(hba))
 697                 goto unlock_stats_mutex;
 698         rc = wait_for_completion_timeout(&hba->stat_req_done, (2 * HZ));
 699         if (!rc) {
 700                 BNX2FC_HBA_DBG(lport, "FW stat req timed out\n");
 701                 goto unlock_stats_mutex;
 702         }
 703         BNX2FC_STATS(hba, rx_stat2, fc_crc_cnt);
 704         bnx2fc_stats->invalid_crc_count += hba->bfw_stats.fc_crc_cnt;
 705         BNX2FC_STATS(hba, tx_stat, fcoe_tx_pkt_cnt);
 706         bnx2fc_stats->tx_frames += hba->bfw_stats.fcoe_tx_pkt_cnt;
 707         BNX2FC_STATS(hba, tx_stat, fcoe_tx_byte_cnt);
 708         bnx2fc_stats->tx_words += ((hba->bfw_stats.fcoe_tx_byte_cnt) / 4);
 709         BNX2FC_STATS(hba, rx_stat0, fcoe_rx_pkt_cnt);
 710         bnx2fc_stats->rx_frames += hba->bfw_stats.fcoe_rx_pkt_cnt;
 711         BNX2FC_STATS(hba, rx_stat0, fcoe_rx_byte_cnt);
 712         bnx2fc_stats->rx_words += ((hba->bfw_stats.fcoe_rx_byte_cnt) / 4);
 713
 714         bnx2fc_stats->dumped_frames = 0;
 715         bnx2fc_stats->lip_count = 0;
 716         bnx2fc_stats->nos_count = 0;
 717         bnx2fc_stats->loss_of_sync_count = 0;
 718         bnx2fc_stats->loss_of_signal_count = 0;
 719         bnx2fc_stats->prim_seq_protocol_err_count = 0;
 720
 721         memcpy(&hba->prev_stats, hba->stats_buffer,
 722                sizeof(struct fcoe_statistics_params));
 723
 724 unlock_stats_mutex:
 725         mutex_unlock(&hba->hba_stats_mutex);
 726         return bnx2fc_stats;
 727 }
 728
 729 static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev)
 730 {
 731         struct fcoe_port *port = lport_priv(lport);
 732         struct bnx2fc_interface *interface = port->priv;
 733         struct bnx2fc_hba *hba = interface->hba;
 734         struct Scsi_Host *shost = lport->host;
 735         int rc = 0;
 736
 737         shost->max_cmd_len = BNX2FC_MAX_CMD_LEN;
 738         shost->max_lun = bnx2fc_max_luns;
 739         shost->max_id = BNX2FC_MAX_FCP_TGT;
 740         shost->max_channel = 0;
 741         if (lport->vport)
 742                 shost->transportt = bnx2fc_vport_xport_template;
 743         else
 744                 shost->transportt = bnx2fc_transport_template;
 745
 746         /* Add the new host to SCSI-ml */
 747         rc = scsi_add_host(lport->host, dev);
 748         if (rc) {
 749                 printk(KERN_ERR PFX "Error on scsi_add_host\n");
 750                 return rc;
 751         }
 752         if (!lport->vport)
 753                 fc_host_max_npiv_vports(lport->host) = USHRT_MAX;
 754         snprintf(fc_host_symbolic_name(lport->host), 256,
 755                  "%s (QLogic %s) v%s over %s",
 756                 BNX2FC_NAME, hba->chip_num, BNX2FC_VERSION,
 757                 interface->netdev->name);
 758
 759         return 0;
 760 }
 761
 762 static int bnx2fc_link_ok(struct fc_lport *lport)
 763 {
 764         struct fcoe_port *port = lport_priv(lport);
 765         struct bnx2fc_interface *interface = port->priv;
 766         struct bnx2fc_hba *hba = interface->hba;
 767         struct net_device *dev = hba->phys_dev;
 768         int rc = 0;
 769
 770         if ((dev->flags & IFF_UP) && netif_carrier_ok(dev))
 771                 clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 772         else {
 773                 set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 774                 rc = -1;
 775         }
 776         return rc;
 777 }
 778
 779 /**
 780  * bnx2fc_get_link_state - get network link state
 781  *
 782  * @hba:        adapter instance pointer
 783  *
 784  * updates adapter structure flag based on netdev state
 785  */
 786 void bnx2fc_get_link_state(struct bnx2fc_hba *hba)
 787 {
 788         if (test_bit(__LINK_STATE_NOCARRIER, &hba->phys_dev->state))
 789                 set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 790         else
 791                 clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 792 }
 793
 794 static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev)
 795 {
 796         struct bnx2fc_hba *hba;
 797         struct bnx2fc_interface *interface;
 798         struct fcoe_ctlr *ctlr;
 799         struct fcoe_port *port;
 800         u64 wwnn, wwpn;
 801
 802         port = lport_priv(lport);
 803         interface = port->priv;
 804         ctlr = bnx2fc_to_ctlr(interface);
 805         hba = interface->hba;
 806
 807         /* require support for get_pauseparam ethtool op. */
 808         if (!hba->phys_dev->ethtool_ops ||
 809             !hba->phys_dev->ethtool_ops->get_pauseparam)
 810                 return -EOPNOTSUPP;
 811
 812         if (fc_set_mfs(lport, BNX2FC_MFS))
 813                 return -EINVAL;
 814
 815         skb_queue_head_init(&port->fcoe_pending_queue);
 816         port->fcoe_pending_queue_active = 0;
 817         timer_setup(&port->timer, fcoe_queue_timer, 0);
 818
 819         fcoe_link_speed_update(lport);
 820
 821         if (!lport->vport) {
 822                 if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN))
 823                         wwnn = fcoe_wwn_from_mac(ctlr->ctl_src_addr,
 824                                                  1, 0);
 825                 BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn);
 826                 fc_set_wwnn(lport, wwnn);
 827
 828                 if (fcoe_get_wwn(netdev, &wwpn, NETDEV_FCOE_WWPN))
 829                         wwpn = fcoe_wwn_from_mac(ctlr->ctl_src_addr,
 830                                                  2, 0);
 831
 832                 BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn);
 833                 fc_set_wwpn(lport, wwpn);
 834         }
 835
 836         return 0;
 837 }
 838
 839 static void bnx2fc_destroy_timer(struct timer_list *t)
 840 {
 841         struct bnx2fc_hba *hba = from_timer(hba, t, destroy_timer);
 842
 843         printk(KERN_ERR PFX "ERROR:bnx2fc_destroy_timer - "
 844                "Destroy compl not received!!\n");
 845         set_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags);
 846         wake_up_interruptible(&hba->destroy_wait);
 847 }
 848
 849 /**
 850  * bnx2fc_indicate_netevent - Generic netdev event handler
 851  *
 852  * @context:    adapter structure pointer
 853  * @event:      event type
 854  * @vlan_id:    vlan id - associated vlan id with this event
 855  *
 856  * Handles NETDEV_UP, NETDEV_DOWN, NETDEV_GOING_DOWN,NETDEV_CHANGE and
 857  * NETDEV_CHANGE_MTU events. Handle NETDEV_UNREGISTER only for vlans.
 858  */
 859 static void bnx2fc_indicate_netevent(void *context, unsigned long event,
 860                                      u16 vlan_id)
 861 {
 862         struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context;
 863         struct fcoe_ctlr_device *cdev;
 864         struct fc_lport *lport;
 865         struct fc_lport *vport;
 866         struct bnx2fc_interface *interface, *tmp;
 867         struct fcoe_ctlr *ctlr;
 868         int wait_for_upload = 0;
 869         u32 link_possible = 1;
 870
 871         if (vlan_id != 0 && event != NETDEV_UNREGISTER)
 872                 return;
 873
 874         switch (event) {
 875         case NETDEV_UP:
 876                 if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state))
 877                         printk(KERN_ERR "indicate_netevent: "\
 878                                         "hba is not UP!!\n");
 879                 break;
 880
 881         case NETDEV_DOWN:
 882                 clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
 883                 clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
 884                 link_possible = 0;
 885                 break;
 886
 887         case NETDEV_GOING_DOWN:
 888                 set_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
 889                 link_possible = 0;
 890                 break;
 891
 892         case NETDEV_CHANGE:
 893                 break;
 894
 895         case NETDEV_UNREGISTER:
 896                 if (!vlan_id)
 897                         return;
 898                 mutex_lock(&bnx2fc_dev_lock);
 899                 list_for_each_entry_safe(interface, tmp, &if_list, list) {
 900                         if (interface->hba == hba &&
 901                             interface->vlan_id == (vlan_id & VLAN_VID_MASK))
 902                                 __bnx2fc_destroy(interface);
 903                 }
 904                 mutex_unlock(&bnx2fc_dev_lock);
 905
 906                 /* Ensure ALL destroy work has been completed before return */
 907                 flush_workqueue(bnx2fc_wq);
 908                 return;
 909
 910         default:
 911                 return;
 912         }
 913
 914         mutex_lock(&bnx2fc_dev_lock);
 915         list_for_each_entry(interface, &if_list, list) {
 916
 917                 if (interface->hba != hba)
 918                         continue;
 919
 920                 ctlr = bnx2fc_to_ctlr(interface);
 921                 lport = ctlr->lp;
 922                 BNX2FC_HBA_DBG(lport, "netevent handler - event=%s %ld\n",
 923                                 interface->netdev->name, event);
 924
 925                 fcoe_link_speed_update(lport);
 926
 927                 cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
 928
 929                 if (link_possible && !bnx2fc_link_ok(lport)) {
 930                         switch (cdev->enabled) {
 931                         case FCOE_CTLR_DISABLED:
 932                                 pr_info("Link up while interface is disabled.\n");
 933                                 break;
 934                         case FCOE_CTLR_ENABLED:
 935                         case FCOE_CTLR_UNUSED:
 936                                 /* Reset max recv frame size to default */
 937                                 fc_set_mfs(lport, BNX2FC_MFS);
 938                                 /*
 939                                  * ctlr link up will only be handled during
 940                                  * enable to avoid sending discovery
 941                                  * solicitation on a stale vlan
 942                                  */
 943                                 if (interface->enabled)
 944                                         fcoe_ctlr_link_up(ctlr);
 945                         };
 946                 } else if (fcoe_ctlr_link_down(ctlr)) {
 947                         switch (cdev->enabled) {
 948                         case FCOE_CTLR_DISABLED:
 949                                 pr_info("Link down while interface is disabled.\n");
 950                                 break;
 951                         case FCOE_CTLR_ENABLED:
 952                         case FCOE_CTLR_UNUSED:
 953                                 mutex_lock(&lport->lp_mutex);
 954                                 list_for_each_entry(vport, &lport->vports, list)
 955                                         fc_host_port_type(vport->host) =
 956                                         FC_PORTTYPE_UNKNOWN;
 957                                 mutex_unlock(&lport->lp_mutex);
 958                                 fc_host_port_type(lport->host) =
 959                                         FC_PORTTYPE_UNKNOWN;
 960                                 per_cpu_ptr(lport->stats,
 961                                             get_cpu())->LinkFailureCount++;
 962                                 put_cpu();
 963                                 fcoe_clean_pending_queue(lport);
 964                                 wait_for_upload = 1;
 965                         };
 966                 }
 967         }
 968         mutex_unlock(&bnx2fc_dev_lock);
 969
 970         if (wait_for_upload) {
 971                 clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
 972                 init_waitqueue_head(&hba->shutdown_wait);
 973                 BNX2FC_MISC_DBG("indicate_netevent "
 974                                 "num_ofld_sess = %d\n",
 975                                 hba->num_ofld_sess);
 976                 hba->wait_for_link_down = 1;
 977                 wait_event_interruptible(hba->shutdown_wait,
 978                                          (hba->num_ofld_sess == 0));
 979                 BNX2FC_MISC_DBG("wakeup - num_ofld_sess = %d\n",
 980                                 hba->num_ofld_sess);
 981                 hba->wait_for_link_down = 0;
 982
 983                 if (signal_pending(current))
 984                         flush_signals(current);
 985         }
 986 }
 987
 988 static int bnx2fc_libfc_config(struct fc_lport *lport)
 989 {
 990
 991         /* Set the function pointers set by bnx2fc driver */
 992         memcpy(&lport->tt, &bnx2fc_libfc_fcn_templ,
 993                 sizeof(struct libfc_function_template));
 994         fc_elsct_init(lport);
 995         fc_exch_init(lport);
 996         fc_disc_init(lport);
 997         fc_disc_config(lport, lport);
 998         return 0;
 999 }
1000
1001 static int bnx2fc_em_config(struct fc_lport *lport, struct bnx2fc_hba *hba)
1002 {
1003         int fcoe_min_xid, fcoe_max_xid;
1004
1005         fcoe_min_xid = hba->max_xid + 1;
1006         if (nr_cpu_ids <= 2)
1007                 fcoe_max_xid = hba->max_xid + FCOE_XIDS_PER_CPU_OFFSET;
1008         else
1009                 fcoe_max_xid = hba->max_xid + FCOE_MAX_XID_OFFSET;
1010         if (!fc_exch_mgr_alloc(lport, FC_CLASS_3, fcoe_min_xid,
1011                                fcoe_max_xid, NULL)) {
1012                 printk(KERN_ERR PFX "em_config:fc_exch_mgr_alloc failed\n");
1013                 return -ENOMEM;
1014         }
1015
1016         return 0;
1017 }
1018
1019 static int bnx2fc_lport_config(struct fc_lport *lport)
1020 {
1021         lport->link_up = 0;
1022         lport->qfull = 0;
1023         lport->max_retry_count = BNX2FC_MAX_RETRY_CNT;
1024         lport->max_rport_retry_count = BNX2FC_MAX_RPORT_RETRY_CNT;
1025         lport->e_d_tov = 2 * 1000;
1026         lport->r_a_tov = 10 * 1000;
1027
1028         lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
1029                                 FCP_SPPF_RETRY | FCP_SPPF_CONF_COMPL);
1030         lport->does_npiv = 1;
1031
1032         memset(&lport->rnid_gen, 0, sizeof(struct fc_els_rnid_gen));
1033         lport->rnid_gen.rnid_atype = BNX2FC_RNID_HBA;
1034
1035         /* alloc stats structure */
1036         if (fc_lport_init_stats(lport))
1037                 return -ENOMEM;
1038
1039         /* Finish fc_lport configuration */
1040         fc_lport_config(lport);
1041
1042         return 0;
1043 }
1044
1045 /**
1046  * bnx2fc_fip_recv - handle a received FIP frame.
1047  *
1048  * @skb: the received skb
1049  * @dev: associated &net_device
1050  * @ptype: the &packet_type structure which was used to register this handler.
1051  * @orig_dev: original receive &net_device, in case @ dev is a bond.
1052  *
1053  * Returns: 0 for success
1054  */
1055 static int bnx2fc_fip_recv(struct sk_buff *skb, struct net_device *dev,
1056                            struct packet_type *ptype,
1057                            struct net_device *orig_dev)
1058 {
1059         struct bnx2fc_interface *interface;
1060         struct fcoe_ctlr *ctlr;
1061         interface = container_of(ptype, struct bnx2fc_interface,
1062                                  fip_packet_type);
1063         ctlr = bnx2fc_to_ctlr(interface);
1064         fcoe_ctlr_recv(ctlr, skb);
1065         return 0;
1066 }
1067
1068 /**
1069  * bnx2fc_update_src_mac - Update Ethernet MAC filters.
1070  *
1071  * @fip: FCoE controller.
1072  * @old: Unicast MAC address to delete if the MAC is non-zero.
1073  * @new: Unicast MAC address to add.
1074  *
1075  * Remove any previously-set unicast MAC filter.
1076  * Add secondary FCoE MAC address filter for our OUI.
1077  */
1078 static void bnx2fc_update_src_mac(struct fc_lport *lport, u8 *addr)
1079 {
1080         struct fcoe_port *port = lport_priv(lport);
1081
1082         memcpy(port->data_src_addr, addr, ETH_ALEN);
1083 }
1084
1085 /**
1086  * bnx2fc_get_src_mac - return the ethernet source address for an lport
1087  *
1088  * @lport: libfc port
1089  */
1090 static u8 *bnx2fc_get_src_mac(struct fc_lport *lport)
1091 {
1092         struct fcoe_port *port;
1093
1094         port = (struct fcoe_port *)lport_priv(lport);
1095         return port->data_src_addr;
1096 }
1097
1098 /**
1099  * bnx2fc_fip_send - send an Ethernet-encapsulated FIP frame.
1100  *
1101  * @fip: FCoE controller.
1102  * @skb: FIP Packet.
1103  */
1104 static void bnx2fc_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
1105 {
1106         struct fip_header *fiph;
1107         struct ethhdr *eth_hdr;
1108         u16 op;
1109         u8 sub;
1110
1111         fiph = (struct fip_header *) ((void *)skb->data + 2 * ETH_ALEN + 2);
1112         eth_hdr = (struct ethhdr *)skb_mac_header(skb);
1113         op = ntohs(fiph->fip_op);
1114         sub = fiph->fip_subcode;
1115
1116         if (op == FIP_OP_CTRL && sub == FIP_SC_SOL && bnx2fc_log_fka)
1117                 BNX2FC_MISC_DBG("Sending FKA from %pM to %pM.\n",
1118                     eth_hdr->h_source, eth_hdr->h_dest);
1119
1120         skb->dev = bnx2fc_from_ctlr(fip)->netdev;
1121         dev_queue_xmit(skb);
1122 }
1123
1124 static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled)
1125 {
1126         struct Scsi_Host *shost = vport_to_shost(vport);
1127         struct fc_lport *n_port = shost_priv(shost);
1128         struct fcoe_port *port = lport_priv(n_port);
1129         struct bnx2fc_interface *interface = port->priv;
1130         struct net_device *netdev = interface->netdev;
1131         struct fc_lport *vn_port;
1132         int rc;
1133         char buf[32];
1134
1135         rc = fcoe_validate_vport_create(vport);
1136         if (rc) {
1137                 fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
1138                 printk(KERN_ERR PFX "Failed to create vport, "
1139                        "WWPN (0x%s) already exists\n",
1140                        buf);
1141                 return rc;
1142         }
1143
1144         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {
1145                 printk(KERN_ERR PFX "vn ports cannot be created on"
1146                         "this interface\n");
1147                 return -EIO;
1148         }
1149         rtnl_lock();
1150         mutex_lock(&bnx2fc_dev_lock);
1151         vn_port = bnx2fc_if_create(interface, &vport->dev, 1);
1152         mutex_unlock(&bnx2fc_dev_lock);
1153         rtnl_unlock();
1154
1155         if (!vn_port) {
1156                 printk(KERN_ERR PFX "bnx2fc_vport_create (%s) failed\n",
1157                         netdev->name);
1158                 return -EIO;
1159         }
1160
1161         if (bnx2fc_devloss_tmo)
1162                 fc_host_dev_loss_tmo(vn_port->host) = bnx2fc_devloss_tmo;
1163
1164         if (disabled) {
1165                 fc_vport_set_state(vport, FC_VPORT_DISABLED);
1166         } else {
1167                 vn_port->boot_time = jiffies;
1168                 fc_lport_init(vn_port);
1169                 fc_fabric_login(vn_port);
1170                 fc_vport_setlink(vn_port);
1171         }
1172         return 0;
1173 }
1174
1175 static void bnx2fc_free_vport(struct bnx2fc_hba *hba, struct fc_lport *lport)
1176 {
1177         struct bnx2fc_lport *blport, *tmp;
1178
1179         spin_lock_bh(&hba->hba_lock);
1180         list_for_each_entry_safe(blport, tmp, &hba->vports, list) {
1181                 if (blport->lport == lport) {
1182                         list_del(&blport->list);
1183                         kfree(blport);
1184                 }
1185         }
1186         spin_unlock_bh(&hba->hba_lock);
1187 }
1188
1189 static int bnx2fc_vport_destroy(struct fc_vport *vport)
1190 {
1191         struct Scsi_Host *shost = vport_to_shost(vport);
1192         struct fc_lport *n_port = shost_priv(shost);
1193         struct fc_lport *vn_port = vport->dd_data;
1194         struct fcoe_port *port = lport_priv(vn_port);
1195         struct bnx2fc_interface *interface = port->priv;
1196         struct fc_lport *v_port;
1197         bool found = false;
1198
1199         mutex_lock(&n_port->lp_mutex);
1200         list_for_each_entry(v_port, &n_port->vports, list)
1201                 if (v_port->vport == vport) {
1202                         found = true;
1203                         break;
1204                 }
1205
1206         if (!found) {
1207                 mutex_unlock(&n_port->lp_mutex);
1208                 return -ENOENT;
1209         }
1210         list_del(&vn_port->list);
1211         mutex_unlock(&n_port->lp_mutex);
1212         bnx2fc_free_vport(interface->hba, port->lport);
1213         bnx2fc_port_shutdown(port->lport);
1214         bnx2fc_interface_put(interface);
1215         queue_work(bnx2fc_wq, &port->destroy_work);
1216         return 0;
1217 }
1218
1219 static int bnx2fc_vport_disable(struct fc_vport *vport, bool disable)
1220 {
1221         struct fc_lport *lport = vport->dd_data;
1222
1223         if (disable) {
1224                 fc_vport_set_state(vport, FC_VPORT_DISABLED);
1225                 fc_fabric_logoff(lport);
1226         } else {
1227                 lport->boot_time = jiffies;
1228                 fc_fabric_login(lport);
1229                 fc_vport_setlink(lport);
1230         }
1231         return 0;
1232 }
1233
1234
1235 static int bnx2fc_interface_setup(struct bnx2fc_interface *interface)
1236 {
1237         struct net_device *netdev = interface->netdev;
1238         struct net_device *physdev = interface->hba->phys_dev;
1239         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1240         struct netdev_hw_addr *ha;
1241         int sel_san_mac = 0;
1242
1243         /* setup Source MAC Address */
1244         rcu_read_lock();
1245         for_each_dev_addr(physdev, ha) {
1246                 BNX2FC_MISC_DBG("net_config: ha->type = %d, fip_mac = ",
1247                                 ha->type);
1248                 printk(KERN_INFO "%2x:%2x:%2x:%2x:%2x:%2x\n", ha->addr[0],
1249                                 ha->addr[1], ha->addr[2], ha->addr[3],
1250                                 ha->addr[4], ha->addr[5]);
1251
1252                 if ((ha->type == NETDEV_HW_ADDR_T_SAN) &&
1253                     (is_valid_ether_addr(ha->addr))) {
1254                         memcpy(ctlr->ctl_src_addr, ha->addr,
1255                                ETH_ALEN);
1256                         sel_san_mac = 1;
1257                         BNX2FC_MISC_DBG("Found SAN MAC\n");
1258                 }
1259         }
1260         rcu_read_unlock();
1261
1262         if (!sel_san_mac)
1263                 return -ENODEV;
1264
1265         interface->fip_packet_type.func = bnx2fc_fip_recv;
1266         interface->fip_packet_type.type = htons(ETH_P_FIP);
1267         interface->fip_packet_type.dev = netdev;
1268         dev_add_pack(&interface->fip_packet_type);
1269
1270         interface->fcoe_packet_type.func = bnx2fc_rcv;
1271         interface->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE);
1272         interface->fcoe_packet_type.dev = netdev;
1273         dev_add_pack(&interface->fcoe_packet_type);
1274
1275         return 0;
1276 }
1277
1278 static int bnx2fc_attach_transport(void)
1279 {
1280         bnx2fc_transport_template =
1281                 fc_attach_transport(&bnx2fc_transport_function);
1282
1283         if (bnx2fc_transport_template == NULL) {
1284                 printk(KERN_ERR PFX "Failed to attach FC transport\n");
1285                 return -ENODEV;
1286         }
1287
1288         bnx2fc_vport_xport_template =
1289                 fc_attach_transport(&bnx2fc_vport_xport_function);
1290         if (bnx2fc_vport_xport_template == NULL) {
1291                 printk(KERN_ERR PFX
1292                        "Failed to attach FC transport for vport\n");
1293                 fc_release_transport(bnx2fc_transport_template);
1294                 bnx2fc_transport_template = NULL;
1295                 return -ENODEV;
1296         }
1297         return 0;
1298 }
1299 static void bnx2fc_release_transport(void)
1300 {
1301         fc_release_transport(bnx2fc_transport_template);
1302         fc_release_transport(bnx2fc_vport_xport_template);
1303         bnx2fc_transport_template = NULL;
1304         bnx2fc_vport_xport_template = NULL;
1305 }
1306
1307 static void bnx2fc_interface_release(struct kref *kref)
1308 {
1309         struct fcoe_ctlr_device *ctlr_dev;
1310         struct bnx2fc_interface *interface;
1311         struct fcoe_ctlr *ctlr;
1312         struct net_device *netdev;
1313
1314         interface = container_of(kref, struct bnx2fc_interface, kref);
1315         BNX2FC_MISC_DBG("Interface is being released\n");
1316
1317         ctlr = bnx2fc_to_ctlr(interface);
1318         ctlr_dev = fcoe_ctlr_to_ctlr_dev(ctlr);
1319         netdev = interface->netdev;
1320
1321         /* tear-down FIP controller */
1322         if (test_and_clear_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags))
1323                 fcoe_ctlr_destroy(ctlr);
1324
1325         fcoe_ctlr_device_delete(ctlr_dev);
1326
1327         dev_put(netdev);
1328         module_put(THIS_MODULE);
1329 }
1330
1331 static inline void bnx2fc_interface_get(struct bnx2fc_interface *interface)
1332 {
1333         kref_get(&interface->kref);
1334 }
1335
1336 static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface)
1337 {
1338         kref_put(&interface->kref, bnx2fc_interface_release);
1339 }
1340 static void bnx2fc_hba_destroy(struct bnx2fc_hba *hba)
1341 {
1342         /* Free the command manager */
1343         if (hba->cmd_mgr) {
1344                 bnx2fc_cmd_mgr_free(hba->cmd_mgr);
1345                 hba->cmd_mgr = NULL;
1346         }
1347         kfree(hba->tgt_ofld_list);
1348         bnx2fc_unbind_pcidev(hba);
1349         kfree(hba);
1350 }
1351
1352 /**
1353  * bnx2fc_hba_create - create a new bnx2fc hba
1354  *
1355  * @cnic:       pointer to cnic device
1356  *
1357  * Creates a new FCoE hba on the given device.
1358  *
1359  */
1360 static struct bnx2fc_hba *bnx2fc_hba_create(struct cnic_dev *cnic)
1361 {
1362         struct bnx2fc_hba *hba;
1363         struct fcoe_capabilities *fcoe_cap;
1364         int rc;
1365
1366         hba = kzalloc(sizeof(*hba), GFP_KERNEL);
1367         if (!hba) {
1368                 printk(KERN_ERR PFX "Unable to allocate hba structure\n");
1369                 return NULL;
1370         }
1371         spin_lock_init(&hba->hba_lock);
1372         mutex_init(&hba->hba_mutex);
1373         mutex_init(&hba->hba_stats_mutex);
1374
1375         hba->cnic = cnic;
1376
1377         hba->max_tasks = cnic->max_fcoe_exchanges;
1378         hba->elstm_xids = (hba->max_tasks / 2);
1379         hba->max_outstanding_cmds = hba->elstm_xids;
1380         hba->max_xid = (hba->max_tasks - 1);
1381
1382         rc = bnx2fc_bind_pcidev(hba);
1383         if (rc) {
1384                 printk(KERN_ERR PFX "create_adapter:  bind error\n");
1385                 goto bind_err;
1386         }
1387         hba->phys_dev = cnic->netdev;
1388         hba->next_conn_id = 0;
1389
1390         hba->tgt_ofld_list =
1391                 kcalloc(BNX2FC_NUM_MAX_SESS, sizeof(struct bnx2fc_rport *),
1392                         GFP_KERNEL);
1393         if (!hba->tgt_ofld_list) {
1394                 printk(KERN_ERR PFX "Unable to allocate tgt offload list\n");
1395                 goto tgtofld_err;
1396         }
1397
1398         hba->num_ofld_sess = 0;
1399
1400         hba->cmd_mgr = bnx2fc_cmd_mgr_alloc(hba);
1401         if (!hba->cmd_mgr) {
1402                 printk(KERN_ERR PFX "em_config:bnx2fc_cmd_mgr_alloc failed\n");
1403                 goto cmgr_err;
1404         }
1405         fcoe_cap = &hba->fcoe_cap;
1406
1407         fcoe_cap->capability1 = BNX2FC_TM_MAX_SQES <<
1408                                         FCOE_IOS_PER_CONNECTION_SHIFT;
1409         fcoe_cap->capability1 |= BNX2FC_NUM_MAX_SESS <<
1410                                         FCOE_LOGINS_PER_PORT_SHIFT;
1411         fcoe_cap->capability2 = hba->max_outstanding_cmds <<
1412                                         FCOE_NUMBER_OF_EXCHANGES_SHIFT;
1413         fcoe_cap->capability2 |= BNX2FC_MAX_NPIV <<
1414                                         FCOE_NPIV_WWN_PER_PORT_SHIFT;
1415         fcoe_cap->capability3 = BNX2FC_NUM_MAX_SESS <<
1416                                         FCOE_TARGETS_SUPPORTED_SHIFT;
1417         fcoe_cap->capability3 |= hba->max_outstanding_cmds <<
1418                                         FCOE_OUTSTANDING_COMMANDS_SHIFT;
1419         fcoe_cap->capability4 = FCOE_CAPABILITY4_STATEFUL;
1420
1421         init_waitqueue_head(&hba->shutdown_wait);
1422         init_waitqueue_head(&hba->destroy_wait);
1423         INIT_LIST_HEAD(&hba->vports);
1424
1425         return hba;
1426
1427 cmgr_err:
1428         kfree(hba->tgt_ofld_list);
1429 tgtofld_err:
1430         bnx2fc_unbind_pcidev(hba);
1431 bind_err:
1432         kfree(hba);
1433         return NULL;
1434 }
1435
1436 static struct bnx2fc_interface *
1437 bnx2fc_interface_create(struct bnx2fc_hba *hba,
1438                         struct net_device *netdev,
1439                         enum fip_mode fip_mode)
1440 {
1441         struct fcoe_ctlr_device *ctlr_dev;
1442         struct bnx2fc_interface *interface;
1443         struct fcoe_ctlr *ctlr;
1444         int size;
1445         int rc = 0;
1446
1447         size = (sizeof(*interface) + sizeof(struct fcoe_ctlr));
1448         ctlr_dev = fcoe_ctlr_device_add(&netdev->dev, &bnx2fc_fcoe_sysfs_templ,
1449                                          size);
1450         if (!ctlr_dev) {
1451                 printk(KERN_ERR PFX "Unable to allocate interface structure\n");
1452                 return NULL;
1453         }
1454         ctlr = fcoe_ctlr_device_priv(ctlr_dev);
1455         ctlr->cdev = ctlr_dev;
1456         interface = fcoe_ctlr_priv(ctlr);
1457         dev_hold(netdev);
1458         kref_init(&interface->kref);
1459         interface->hba = hba;
1460         interface->netdev = netdev;
1461
1462         /* Initialize FIP */
1463         fcoe_ctlr_init(ctlr, fip_mode);
1464         ctlr->send = bnx2fc_fip_send;
1465         ctlr->update_mac = bnx2fc_update_src_mac;
1466         ctlr->get_src_addr = bnx2fc_get_src_mac;
1467         set_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags);
1468
1469         rc = bnx2fc_interface_setup(interface);
1470         if (!rc)
1471                 return interface;
1472
1473         fcoe_ctlr_destroy(ctlr);
1474         dev_put(netdev);
1475         fcoe_ctlr_device_delete(ctlr_dev);
1476         return NULL;
1477 }
1478
1479 /**
1480  * bnx2fc_if_create - Create FCoE instance on a given interface
1481  *
1482  * @interface:  FCoE interface to create a local port on
1483  * @parent:     Device pointer to be the parent in sysfs for the SCSI host
1484  * @npiv:       Indicates if the port is vport or not
1485  *
1486  * Creates a fc_lport instance and a Scsi_Host instance and configure them.
1487  *
1488  * Returns:     Allocated fc_lport or an error pointer
1489  */
1490 static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
1491                                   struct device *parent, int npiv)
1492 {
1493         struct fcoe_ctlr        *ctlr = bnx2fc_to_ctlr(interface);
1494         struct fc_lport         *lport, *n_port;
1495         struct fcoe_port        *port;
1496         struct Scsi_Host        *shost;
1497         struct fc_vport         *vport = dev_to_vport(parent);
1498         struct bnx2fc_lport     *blport;
1499         struct bnx2fc_hba       *hba = interface->hba;
1500         int                     rc = 0;
1501
1502         blport = kzalloc(sizeof(struct bnx2fc_lport), GFP_KERNEL);
1503         if (!blport) {
1504                 BNX2FC_HBA_DBG(ctlr->lp, "Unable to alloc blport\n");
1505                 return NULL;
1506         }
1507
1508         /* Allocate Scsi_Host structure */
1509         bnx2fc_shost_template.can_queue = hba->max_outstanding_cmds;
1510         if (!npiv)
1511                 lport = libfc_host_alloc(&bnx2fc_shost_template, sizeof(*port));
1512         else
1513                 lport = libfc_vport_create(vport, sizeof(*port));
1514
1515         if (!lport) {
1516                 printk(KERN_ERR PFX "could not allocate scsi host structure\n");
1517                 goto free_blport;
1518         }
1519         shost = lport->host;
1520         port = lport_priv(lport);
1521         port->lport = lport;
1522         port->priv = interface;
1523         port->get_netdev = bnx2fc_netdev;
1524         INIT_WORK(&port->destroy_work, bnx2fc_destroy_work);
1525
1526         /* Configure fcoe_port */
1527         rc = bnx2fc_lport_config(lport);
1528         if (rc)
1529                 goto lp_config_err;
1530
1531         if (npiv) {
1532                 printk(KERN_ERR PFX "Setting vport names, 0x%llX 0x%llX\n",
1533                         vport->node_name, vport->port_name);
1534                 fc_set_wwnn(lport, vport->node_name);
1535                 fc_set_wwpn(lport, vport->port_name);
1536         }
1537         /* Configure netdev and networking properties of the lport */
1538         rc = bnx2fc_net_config(lport, interface->netdev);
1539         if (rc) {
1540                 printk(KERN_ERR PFX "Error on bnx2fc_net_config\n");
1541                 goto lp_config_err;
1542         }
1543
1544         rc = bnx2fc_shost_config(lport, parent);
1545         if (rc) {
1546                 printk(KERN_ERR PFX "Couldn't configure shost for %s\n",
1547                         interface->netdev->name);
1548                 goto lp_config_err;
1549         }
1550
1551         /* Initialize the libfc library */
1552         rc = bnx2fc_libfc_config(lport);
1553         if (rc) {
1554                 printk(KERN_ERR PFX "Couldn't configure libfc\n");
1555                 goto shost_err;
1556         }
1557         fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
1558
1559         if (bnx2fc_devloss_tmo)
1560                 fc_host_dev_loss_tmo(shost) = bnx2fc_devloss_tmo;
1561
1562         /* Allocate exchange manager */
1563         if (!npiv)
1564                 rc = bnx2fc_em_config(lport, hba);
1565         else {
1566                 shost = vport_to_shost(vport);
1567                 n_port = shost_priv(shost);
1568                 rc = fc_exch_mgr_list_clone(n_port, lport);
1569         }
1570
1571         if (rc) {
1572                 printk(KERN_ERR PFX "Error on bnx2fc_em_config\n");
1573                 goto shost_err;
1574         }
1575
1576         bnx2fc_interface_get(interface);
1577
1578         spin_lock_bh(&hba->hba_lock);
1579         blport->lport = lport;
1580         list_add_tail(&blport->list, &hba->vports);
1581         spin_unlock_bh(&hba->hba_lock);
1582
1583         return lport;
1584
1585 shost_err:
1586         scsi_remove_host(shost);
1587 lp_config_err:
1588         scsi_host_put(lport->host);
1589 free_blport:
1590         kfree(blport);
1591         return NULL;
1592 }
1593
1594 static void bnx2fc_net_cleanup(struct bnx2fc_interface *interface)
1595 {
1596         /* Dont listen for Ethernet packets anymore */
1597         __dev_remove_pack(&interface->fcoe_packet_type);
1598         __dev_remove_pack(&interface->fip_packet_type);
1599         synchronize_net();
1600 }
1601
1602 static void bnx2fc_interface_cleanup(struct bnx2fc_interface *interface)
1603 {
1604         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1605         struct fc_lport *lport = ctlr->lp;
1606         struct fcoe_port *port = lport_priv(lport);
1607         struct bnx2fc_hba *hba = interface->hba;
1608
1609         /* Stop the transmit retry timer */
1610         del_timer_sync(&port->timer);
1611
1612         /* Free existing transmit skbs */
1613         fcoe_clean_pending_queue(lport);
1614
1615         bnx2fc_net_cleanup(interface);
1616
1617         bnx2fc_free_vport(hba, lport);
1618 }
1619
1620 static void bnx2fc_if_destroy(struct fc_lport *lport)
1621 {
1622
1623         /* Free queued packets for the receive thread */
1624         bnx2fc_clean_rx_queue(lport);
1625
1626         /* Detach from scsi-ml */
1627         fc_remove_host(lport->host);
1628         scsi_remove_host(lport->host);
1629
1630         /*
1631          * Note that only the physical lport will have the exchange manager.
1632          * for vports, this function is NOP
1633          */
1634         fc_exch_mgr_free(lport);
1635
1636         /* Free memory used by statistical counters */
1637         fc_lport_free_stats(lport);
1638
1639         /* Release Scsi_Host */
1640         scsi_host_put(lport->host);
1641 }
1642
1643 static void __bnx2fc_destroy(struct bnx2fc_interface *interface)
1644 {
1645         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1646         struct fc_lport *lport = ctlr->lp;
1647         struct fcoe_port *port = lport_priv(lport);
1648
1649         bnx2fc_interface_cleanup(interface);
1650         bnx2fc_stop(interface);
1651         list_del(&interface->list);
1652         bnx2fc_interface_put(interface);
1653         queue_work(bnx2fc_wq, &port->destroy_work);
1654 }
1655
1656 /**
1657  * bnx2fc_destroy - Destroy a bnx2fc FCoE interface
1658  *
1659  * @buffer: The name of the Ethernet interface to be destroyed
1660  * @kp:     The associated kernel parameter
1661  *
1662  * Called from sysfs.
1663  *
1664  * Returns: 0 for success
1665  */
1666 static int bnx2fc_destroy(struct net_device *netdev)
1667 {
1668         struct bnx2fc_interface *interface = NULL;
1669         struct workqueue_struct *timer_work_queue;
1670         struct fcoe_ctlr *ctlr;
1671         int rc = 0;
1672
1673         rtnl_lock();
1674         mutex_lock(&bnx2fc_dev_lock);
1675
1676         interface = bnx2fc_interface_lookup(netdev);
1677         ctlr = bnx2fc_to_ctlr(interface);
1678         if (!interface || !ctlr->lp) {
1679                 rc = -ENODEV;
1680                 printk(KERN_ERR PFX "bnx2fc_destroy: interface or lport not found\n");
1681                 goto netdev_err;
1682         }
1683
1684         timer_work_queue = interface->timer_work_queue;
1685         __bnx2fc_destroy(interface);
1686         destroy_workqueue(timer_work_queue);
1687
1688 netdev_err:
1689         mutex_unlock(&bnx2fc_dev_lock);
1690         rtnl_unlock();
1691         return rc;
1692 }
1693
1694 static void bnx2fc_destroy_work(struct work_struct *work)
1695 {
1696         struct fcoe_port *port;
1697         struct fc_lport *lport;
1698
1699         port = container_of(work, struct fcoe_port, destroy_work);
1700         lport = port->lport;
1701
1702         BNX2FC_HBA_DBG(lport, "Entered bnx2fc_destroy_work\n");
1703
1704         bnx2fc_if_destroy(lport);
1705 }
1706
1707 static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba)
1708 {
1709         bnx2fc_free_fw_resc(hba);
1710         bnx2fc_free_task_ctx(hba);
1711 }
1712
1713 /**
1714  * bnx2fc_bind_adapter_devices - binds bnx2fc adapter with the associated
1715  *                      pci structure
1716  *
1717  * @hba:                Adapter instance
1718  */
1719 static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba)
1720 {
1721         if (bnx2fc_setup_task_ctx(hba))
1722                 goto mem_err;
1723
1724         if (bnx2fc_setup_fw_resc(hba))
1725                 goto mem_err;
1726
1727         return 0;
1728 mem_err:
1729         bnx2fc_unbind_adapter_devices(hba);
1730         return -ENOMEM;
1731 }
1732
1733 static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba)
1734 {
1735         struct cnic_dev *cnic;
1736         struct pci_dev *pdev;
1737
1738         if (!hba->cnic) {
1739                 printk(KERN_ERR PFX "cnic is NULL\n");
1740                 return -ENODEV;
1741         }
1742         cnic = hba->cnic;
1743         pdev = hba->pcidev = cnic->pcidev;
1744         if (!hba->pcidev)
1745                 return -ENODEV;
1746
1747         switch (pdev->device) {
1748         case PCI_DEVICE_ID_NX2_57710:
1749                 strncpy(hba->chip_num, "BCM57710", BCM_CHIP_LEN);
1750                 break;
1751         case PCI_DEVICE_ID_NX2_57711:
1752                 strncpy(hba->chip_num, "BCM57711", BCM_CHIP_LEN);
1753                 break;
1754         case PCI_DEVICE_ID_NX2_57712:
1755         case PCI_DEVICE_ID_NX2_57712_MF:
1756         case PCI_DEVICE_ID_NX2_57712_VF:
1757                 strncpy(hba->chip_num, "BCM57712", BCM_CHIP_LEN);
1758                 break;
1759         case PCI_DEVICE_ID_NX2_57800:
1760         case PCI_DEVICE_ID_NX2_57800_MF:
1761         case PCI_DEVICE_ID_NX2_57800_VF:
1762                 strncpy(hba->chip_num, "BCM57800", BCM_CHIP_LEN);
1763                 break;
1764         case PCI_DEVICE_ID_NX2_57810:
1765         case PCI_DEVICE_ID_NX2_57810_MF:
1766         case PCI_DEVICE_ID_NX2_57810_VF:
1767                 strncpy(hba->chip_num, "BCM57810", BCM_CHIP_LEN);
1768                 break;
1769         case PCI_DEVICE_ID_NX2_57840:
1770         case PCI_DEVICE_ID_NX2_57840_MF:
1771         case PCI_DEVICE_ID_NX2_57840_VF:
1772         case PCI_DEVICE_ID_NX2_57840_2_20:
1773         case PCI_DEVICE_ID_NX2_57840_4_10:
1774                 strncpy(hba->chip_num, "BCM57840", BCM_CHIP_LEN);
1775                 break;
1776         default:
1777                 pr_err(PFX "Unknown device id 0x%x\n", pdev->device);
1778                 break;
1779         }
1780         pci_dev_get(hba->pcidev);
1781         return 0;
1782 }
1783
1784 static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba)
1785 {
1786         if (hba->pcidev) {
1787                 hba->chip_num[0] = '\0';
1788                 pci_dev_put(hba->pcidev);
1789         }
1790         hba->pcidev = NULL;
1791 }
1792
1793 /**
1794  * bnx2fc_ulp_get_stats - cnic callback to populate FCoE stats
1795  *
1796  * @handle:    transport handle pointing to adapter struture
1797  */
1798 static int bnx2fc_ulp_get_stats(void *handle)
1799 {
1800         struct bnx2fc_hba *hba = handle;
1801         struct cnic_dev *cnic;
1802         struct fcoe_stats_info *stats_addr;
1803
1804         if (!hba)
1805                 return -EINVAL;
1806
1807         cnic = hba->cnic;
1808         stats_addr = &cnic->stats_addr->fcoe_stat;
1809         if (!stats_addr)
1810                 return -EINVAL;
1811
1812         strncpy(stats_addr->version, BNX2FC_VERSION,
1813                 sizeof(stats_addr->version));
1814         stats_addr->txq_size = BNX2FC_SQ_WQES_MAX;
1815         stats_addr->rxq_size = BNX2FC_CQ_WQES_MAX;
1816
1817         return 0;
1818 }
1819
1820
1821 /**
1822  * bnx2fc_ulp_start - cnic callback to initialize & start adapter instance
1823  *
1824  * @handle:     transport handle pointing to adapter structure
1825  *
1826  * This function maps adapter structure to pcidev structure and initiates
1827  *      firmware handshake to enable/initialize on-chip FCoE components.
1828  *      This bnx2fc - cnic interface api callback is used after following
1829  *      conditions are met -
1830  *      a) underlying network interface is up (marked by event NETDEV_UP
1831  *              from netdev
1832  *      b) bnx2fc adatper structure is registered.
1833  */
1834 static void bnx2fc_ulp_start(void *handle)
1835 {
1836         struct bnx2fc_hba *hba = handle;
1837         struct bnx2fc_interface *interface;
1838         struct fcoe_ctlr *ctlr;
1839         struct fc_lport *lport;
1840
1841         mutex_lock(&bnx2fc_dev_lock);
1842
1843         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags))
1844                 bnx2fc_fw_init(hba);
1845
1846         BNX2FC_MISC_DBG("bnx2fc started.\n");
1847
1848         list_for_each_entry(interface, &if_list, list) {
1849                 if (interface->hba == hba) {
1850                         ctlr = bnx2fc_to_ctlr(interface);
1851                         lport = ctlr->lp;
1852                         /* Kick off Fabric discovery*/
1853                         printk(KERN_ERR PFX "ulp_init: start discovery\n");
1854                         lport->tt.frame_send = bnx2fc_xmit;
1855                         bnx2fc_start_disc(interface);
1856                 }
1857         }
1858
1859         mutex_unlock(&bnx2fc_dev_lock);
1860 }
1861
1862 static void bnx2fc_port_shutdown(struct fc_lport *lport)
1863 {
1864         BNX2FC_MISC_DBG("Entered %s\n", __func__);
1865         fc_fabric_logoff(lport);
1866         fc_lport_destroy(lport);
1867 }
1868
1869 static void bnx2fc_stop(struct bnx2fc_interface *interface)
1870 {
1871         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1872         struct fc_lport *lport;
1873         struct fc_lport *vport;
1874
1875         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags))
1876                 return;
1877
1878         lport = ctlr->lp;
1879         bnx2fc_port_shutdown(lport);
1880
1881         mutex_lock(&lport->lp_mutex);
1882         list_for_each_entry(vport, &lport->vports, list)
1883                 fc_host_port_type(vport->host) =
1884                                         FC_PORTTYPE_UNKNOWN;
1885         mutex_unlock(&lport->lp_mutex);
1886         fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
1887         fcoe_ctlr_link_down(ctlr);
1888         fcoe_clean_pending_queue(lport);
1889 }
1890
1891 static int bnx2fc_fw_init(struct bnx2fc_hba *hba)
1892 {
1893 #define BNX2FC_INIT_POLL_TIME           (1000 / HZ)
1894         int rc = -1;
1895         int i = HZ;
1896
1897         rc = bnx2fc_bind_adapter_devices(hba);
1898         if (rc) {
1899                 printk(KERN_ALERT PFX
1900                         "bnx2fc_bind_adapter_devices failed - rc = %d\n", rc);
1901                 goto err_out;
1902         }
1903
1904         rc = bnx2fc_send_fw_fcoe_init_msg(hba);
1905         if (rc) {
1906                 printk(KERN_ALERT PFX
1907                         "bnx2fc_send_fw_fcoe_init_msg failed - rc = %d\n", rc);
1908                 goto err_unbind;
1909         }
1910
1911         /*
1912          * Wait until the adapter init message is complete, and adapter
1913          * state is UP.
1914          */
1915         while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && i--)
1916                 msleep(BNX2FC_INIT_POLL_TIME);
1917
1918         if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state)) {
1919                 printk(KERN_ERR PFX "bnx2fc_start: %s failed to initialize.  "
1920                                 "Ignoring...\n",
1921                                 hba->cnic->netdev->name);
1922                 rc = -1;
1923                 goto err_unbind;
1924         }
1925
1926
1927         set_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags);
1928         return 0;
1929
1930 err_unbind:
1931         bnx2fc_unbind_adapter_devices(hba);
1932 err_out:
1933         return rc;
1934 }
1935
1936 static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba)
1937 {
1938         if (test_and_clear_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) {
1939                 if (bnx2fc_send_fw_fcoe_destroy_msg(hba) == 0) {
1940                         timer_setup(&hba->destroy_timer, bnx2fc_destroy_timer,
1941                                     0);
1942                         hba->destroy_timer.expires = BNX2FC_FW_TIMEOUT +
1943                                                                 jiffies;
1944                         add_timer(&hba->destroy_timer);
1945                         wait_event_interruptible(hba->destroy_wait,
1946                                         test_bit(BNX2FC_FLAG_DESTROY_CMPL,
1947                                                  &hba->flags));
1948                         clear_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags);
1949                         /* This should never happen */
1950                         if (signal_pending(current))
1951                                 flush_signals(current);
1952
1953                         del_timer_sync(&hba->destroy_timer);
1954                 }
1955                 bnx2fc_unbind_adapter_devices(hba);
1956         }
1957 }
1958
1959 /**
1960  * bnx2fc_ulp_stop - cnic callback to shutdown adapter instance
1961  *
1962  * @handle:     transport handle pointing to adapter structure
1963  *
1964  * Driver checks if adapter is already in shutdown mode, if not start
1965  *      the shutdown process.
1966  */
1967 static void bnx2fc_ulp_stop(void *handle)
1968 {
1969         struct bnx2fc_hba *hba = handle;
1970         struct bnx2fc_interface *interface;
1971
1972         printk(KERN_ERR "ULP_STOP\n");
1973
1974         mutex_lock(&bnx2fc_dev_lock);
1975         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags))
1976                 goto exit;
1977         list_for_each_entry(interface, &if_list, list) {
1978                 if (interface->hba == hba)
1979                         bnx2fc_stop(interface);
1980         }
1981         BUG_ON(hba->num_ofld_sess != 0);
1982
1983         mutex_lock(&hba->hba_mutex);
1984         clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
1985         clear_bit(ADAPTER_STATE_GOING_DOWN,
1986                   &hba->adapter_state);
1987
1988         clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
1989         mutex_unlock(&hba->hba_mutex);
1990
1991         bnx2fc_fw_destroy(hba);
1992 exit:
1993         mutex_unlock(&bnx2fc_dev_lock);
1994 }
1995
1996 static void bnx2fc_start_disc(struct bnx2fc_interface *interface)
1997 {
1998         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1999         struct fc_lport *lport;
2000         int wait_cnt = 0;
2001
2002         BNX2FC_MISC_DBG("Entered %s\n", __func__);
2003         /* Kick off FIP/FLOGI */
2004         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {
2005                 printk(KERN_ERR PFX "Init not done yet\n");
2006                 return;
2007         }
2008
2009         lport = ctlr->lp;
2010         BNX2FC_HBA_DBG(lport, "calling fc_fabric_login\n");
2011
2012         if (!bnx2fc_link_ok(lport) && interface->enabled) {
2013                 BNX2FC_HBA_DBG(lport, "ctlr_link_up\n");
2014                 fcoe_ctlr_link_up(ctlr);
2015                 fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
2016                 set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state);
2017         }
2018
2019         /* wait for the FCF to be selected before issuing FLOGI */
2020         while (!ctlr->sel_fcf) {
2021                 msleep(250);
2022                 /* give up after 3 secs */
2023                 if (++wait_cnt > 12)
2024                         break;
2025         }
2026
2027         /* Reset max receive frame size to default */
2028         if (fc_set_mfs(lport, BNX2FC_MFS))
2029                 return;
2030
2031         fc_lport_init(lport);
2032         fc_fabric_login(lport);
2033 }
2034
2035
2036 /**
2037  * bnx2fc_ulp_init - Initialize an adapter instance
2038  *
2039  * @dev :       cnic device handle
2040  * Called from cnic_register_driver() context to initialize all
2041  *      enumerated cnic devices. This routine allocates adapter structure
2042  *      and other device specific resources.
2043  */
2044 static void bnx2fc_ulp_init(struct cnic_dev *dev)
2045 {
2046         struct bnx2fc_hba *hba;
2047         int rc = 0;
2048
2049         BNX2FC_MISC_DBG("Entered %s\n", __func__);
2050         /* bnx2fc works only when bnx2x is loaded */
2051         if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags) ||
2052             (dev->max_fcoe_conn == 0)) {
2053                 printk(KERN_ERR PFX "bnx2fc FCoE not supported on %s,"
2054                                     " flags: %lx fcoe_conn: %d\n",
2055                         dev->netdev->name, dev->flags, dev->max_fcoe_conn);
2056                 return;
2057         }
2058
2059         hba = bnx2fc_hba_create(dev);
2060         if (!hba) {
2061                 printk(KERN_ERR PFX "hba initialization failed\n");
2062                 return;
2063         }
2064
2065         pr_info(PFX "FCoE initialized for %s.\n", dev->netdev->name);
2066
2067         /* Add HBA to the adapter list */
2068         mutex_lock(&bnx2fc_dev_lock);
2069         list_add_tail(&hba->list, &adapter_list);
2070         adapter_count++;
2071         mutex_unlock(&bnx2fc_dev_lock);
2072
2073         dev->fcoe_cap = &hba->fcoe_cap;
2074         clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic);
2075         rc = dev->register_device(dev, CNIC_ULP_FCOE,
2076                                                 (void *) hba);
2077         if (rc)
2078                 printk(KERN_ERR PFX "register_device failed, rc = %d\n", rc);
2079         else
2080                 set_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic);
2081 }
2082
2083 /* Assumes rtnl_lock and the bnx2fc_dev_lock are already taken */
2084 static int __bnx2fc_disable(struct fcoe_ctlr *ctlr)
2085 {
2086         struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr);
2087
2088         if (interface->enabled == true) {
2089                 if (!ctlr->lp) {
2090                         pr_err(PFX "__bnx2fc_disable: lport not found\n");
2091                         return -ENODEV;
2092                 } else {
2093                         interface->enabled = false;
2094                         fcoe_ctlr_link_down(ctlr);
2095                         fcoe_clean_pending_queue(ctlr->lp);
2096                 }
2097         }
2098         return 0;
2099 }
2100
2101 /**
2102  * Deperecated: Use bnx2fc_enabled()
2103  */
2104 static int bnx2fc_disable(struct net_device *netdev)
2105 {
2106         struct bnx2fc_interface *interface;
2107         struct fcoe_ctlr *ctlr;
2108         int rc = 0;
2109
2110         rtnl_lock();
2111         mutex_lock(&bnx2fc_dev_lock);
2112
2113         interface = bnx2fc_interface_lookup(netdev);
2114         ctlr = bnx2fc_to_ctlr(interface);
2115
2116         if (!interface) {
2117                 rc = -ENODEV;
2118                 pr_err(PFX "bnx2fc_disable: interface not found\n");
2119         } else {
2120                 rc = __bnx2fc_disable(ctlr);
2121         }
2122         mutex_unlock(&bnx2fc_dev_lock);
2123         rtnl_unlock();
2124         return rc;
2125 }
2126
2127 static uint bnx2fc_npiv_create_vports(struct fc_lport *lport,
2128                                       struct cnic_fc_npiv_tbl *npiv_tbl)
2129 {
2130         struct fc_vport_identifiers vpid;
2131         uint i, created = 0;
2132         u64 wwnn = 0;
2133         char wwpn_str[32];
2134         char wwnn_str[32];
2135
2136         if (npiv_tbl->count > MAX_NPIV_ENTRIES) {
2137                 BNX2FC_HBA_DBG(lport, "Exceeded count max of npiv table\n");
2138                 goto done;
2139         }
2140
2141         /* Sanity check the first entry to make sure it's not 0 */
2142         if (wwn_to_u64(npiv_tbl->wwnn[0]) == 0 &&
2143             wwn_to_u64(npiv_tbl->wwpn[0]) == 0) {
2144                 BNX2FC_HBA_DBG(lport, "First NPIV table entries invalid.\n");
2145                 goto done;
2146         }
2147
2148         vpid.roles = FC_PORT_ROLE_FCP_INITIATOR;
2149         vpid.vport_type = FC_PORTTYPE_NPIV;
2150         vpid.disable = false;
2151
2152         for (i = 0; i < npiv_tbl->count; i++) {
2153                 wwnn = wwn_to_u64(npiv_tbl->wwnn[i]);
2154                 if (wwnn == 0) {
2155                         /*
2156                          * If we get a 0 element from for the WWNN then assume
2157                          * the WWNN should be the same as the physical port.
2158                          */
2159                         wwnn = lport->wwnn;
2160                 }
2161                 vpid.node_name = wwnn;
2162                 vpid.port_name = wwn_to_u64(npiv_tbl->wwpn[i]);
2163                 scnprintf(vpid.symbolic_name, sizeof(vpid.symbolic_name),
2164                     "NPIV[%u]:%016llx-%016llx",
2165                     created, vpid.port_name, vpid.node_name);
2166                 fcoe_wwn_to_str(vpid.node_name, wwnn_str, sizeof(wwnn_str));
2167                 fcoe_wwn_to_str(vpid.port_name, wwpn_str, sizeof(wwpn_str));
2168                 BNX2FC_HBA_DBG(lport, "Creating vport %s:%s.\n", wwnn_str,
2169                     wwpn_str);
2170                 if (fc_vport_create(lport->host, 0, &vpid))
2171                         created++;
2172                 else
2173                         BNX2FC_HBA_DBG(lport, "Failed to create vport\n");
2174         }
2175 done:
2176         return created;
2177 }
2178
2179 static int __bnx2fc_enable(struct fcoe_ctlr *ctlr)
2180 {
2181         struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr);
2182         struct bnx2fc_hba *hba;
2183         struct cnic_fc_npiv_tbl *npiv_tbl;
2184         struct fc_lport *lport;
2185
2186         if (interface->enabled == false) {
2187                 if (!ctlr->lp) {
2188                         pr_err(PFX "__bnx2fc_enable: lport not found\n");
2189                         return -ENODEV;
2190                 } else if (!bnx2fc_link_ok(ctlr->lp)) {
2191                         fcoe_ctlr_link_up(ctlr);
2192                         interface->enabled = true;
2193                 }
2194         }
2195
2196         /* Create static NPIV ports if any are contained in NVRAM */
2197         hba = interface->hba;
2198         lport = ctlr->lp;
2199
2200         if (!hba)
2201                 goto done;
2202
2203         if (!hba->cnic)
2204                 goto done;
2205
2206         if (!lport)
2207                 goto done;
2208
2209         if (!lport->host)
2210                 goto done;
2211
2212         if (!hba->cnic->get_fc_npiv_tbl)
2213                 goto done;
2214
2215         npiv_tbl = kzalloc(sizeof(struct cnic_fc_npiv_tbl), GFP_KERNEL);
2216         if (!npiv_tbl)
2217                 goto done;
2218
2219         if (hba->cnic->get_fc_npiv_tbl(hba->cnic, npiv_tbl))
2220                 goto done_free;
2221
2222         bnx2fc_npiv_create_vports(lport, npiv_tbl);
2223 done_free:
2224         kfree(npiv_tbl);
2225 done:
2226         return 0;
2227 }
2228
2229 /**
2230  * Deprecated: Use bnx2fc_enabled()
2231  */
2232 static int bnx2fc_enable(struct net_device *netdev)
2233 {
2234         struct bnx2fc_interface *interface;
2235         struct fcoe_ctlr *ctlr;
2236         int rc = 0;
2237
2238         rtnl_lock();
2239         mutex_lock(&bnx2fc_dev_lock);
2240
2241         interface = bnx2fc_interface_lookup(netdev);
2242         ctlr = bnx2fc_to_ctlr(interface);
2243         if (!interface) {
2244                 rc = -ENODEV;
2245                 pr_err(PFX "bnx2fc_enable: interface not found\n");
2246         } else {
2247                 rc = __bnx2fc_enable(ctlr);
2248         }
2249
2250         mutex_unlock(&bnx2fc_dev_lock);
2251         rtnl_unlock();
2252         return rc;
2253 }
2254
2255 /**
2256  * bnx2fc_ctlr_enabled() - Enable or disable an FCoE Controller
2257  * @cdev: The FCoE Controller that is being enabled or disabled
2258  *
2259  * fcoe_sysfs will ensure that the state of 'enabled' has
2260  * changed, so no checking is necessary here. This routine simply
2261  * calls fcoe_enable or fcoe_disable, both of which are deprecated.
2262  * When those routines are removed the functionality can be merged
2263  * here.
2264  */
2265 static int bnx2fc_ctlr_enabled(struct fcoe_ctlr_device *cdev)
2266 {
2267         struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(cdev);
2268
2269         switch (cdev->enabled) {
2270         case FCOE_CTLR_ENABLED:
2271                 return __bnx2fc_enable(ctlr);
2272         case FCOE_CTLR_DISABLED:
2273                 return __bnx2fc_disable(ctlr);
2274         case FCOE_CTLR_UNUSED:
2275         default:
2276                 return -ENOTSUPP;
2277         };
2278 }
2279
2280 enum bnx2fc_create_link_state {
2281         BNX2FC_CREATE_LINK_DOWN,
2282         BNX2FC_CREATE_LINK_UP,
2283 };
2284
2285 /**
2286  * _bnx2fc_create() - Create bnx2fc FCoE interface
2287  * @netdev  :   The net_device object the Ethernet interface to create on
2288  * @fip_mode:   The FIP mode for this creation
2289  * @link_state: The ctlr link state on creation
2290  *
2291  * Called from either the libfcoe 'create' module parameter
2292  * via fcoe_create or from fcoe_syfs's ctlr_create file.
2293  *
2294  * libfcoe's 'create' module parameter is deprecated so some
2295  * consolidation of code can be done when that interface is
2296  * removed.
2297  *
2298  * Returns: 0 for success
2299  */
2300 static int _bnx2fc_create(struct net_device *netdev,
2301                           enum fip_mode fip_mode,
2302                           enum bnx2fc_create_link_state link_state)
2303 {
2304         struct fcoe_ctlr_device *cdev;
2305         struct fcoe_ctlr *ctlr;
2306         struct bnx2fc_interface *interface;
2307         struct bnx2fc_hba *hba;
2308         struct net_device *phys_dev = netdev;
2309         struct fc_lport *lport;
2310         struct ethtool_drvinfo drvinfo;
2311         int rc = 0;
2312         int vlan_id = 0;
2313
2314         BNX2FC_MISC_DBG("Entered bnx2fc_create\n");
2315         if (fip_mode != FIP_MODE_FABRIC) {
2316                 printk(KERN_ERR "fip mode not FABRIC\n");
2317                 return -EIO;
2318         }
2319
2320         rtnl_lock();
2321
2322         mutex_lock(&bnx2fc_dev_lock);
2323
2324         if (!try_module_get(THIS_MODULE)) {
2325                 rc = -EINVAL;
2326                 goto mod_err;
2327         }
2328
2329         /* obtain physical netdev */
2330         if (is_vlan_dev(netdev))
2331                 phys_dev = vlan_dev_real_dev(netdev);
2332
2333         /* verify if the physical device is a netxtreme2 device */
2334         if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) {
2335                 memset(&drvinfo, 0, sizeof(drvinfo));
2336                 phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo);
2337                 if (strncmp(drvinfo.driver, "bnx2x", strlen("bnx2x"))) {
2338                         printk(KERN_ERR PFX "Not a netxtreme2 device\n");
2339                         rc = -EINVAL;
2340                         goto netdev_err;
2341                 }
2342         } else {
2343                 printk(KERN_ERR PFX "unable to obtain drv_info\n");
2344                 rc = -EINVAL;
2345                 goto netdev_err;
2346         }
2347
2348         /* obtain interface and initialize rest of the structure */
2349         hba = bnx2fc_hba_lookup(phys_dev);
2350         if (!hba) {
2351                 rc = -ENODEV;
2352                 printk(KERN_ERR PFX "bnx2fc_create: hba not found\n");
2353                 goto netdev_err;
2354         }
2355
2356         if (bnx2fc_interface_lookup(netdev)) {
2357                 rc = -EEXIST;
2358                 goto netdev_err;
2359         }
2360
2361         interface = bnx2fc_interface_create(hba, netdev, fip_mode);
2362         if (!interface) {
2363                 printk(KERN_ERR PFX "bnx2fc_interface_create failed\n");
2364                 rc = -ENOMEM;
2365                 goto netdev_err;
2366         }
2367
2368         if (is_vlan_dev(netdev)) {
2369                 vlan_id = vlan_dev_vlan_id(netdev);
2370                 interface->vlan_enabled = 1;
2371         }
2372
2373         ctlr = bnx2fc_to_ctlr(interface);
2374         cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
2375         interface->vlan_id = vlan_id;
2376         interface->tm_timeout = BNX2FC_TM_TIMEOUT;
2377
2378         interface->timer_work_queue =
2379                         create_singlethread_workqueue("bnx2fc_timer_wq");
2380         if (!interface->timer_work_queue) {
2381                 printk(KERN_ERR PFX "ulp_init could not create timer_wq\n");
2382                 rc = -EINVAL;
2383                 goto ifput_err;
2384         }
2385
2386         lport = bnx2fc_if_create(interface, &cdev->dev, 0);
2387         if (!lport) {
2388                 printk(KERN_ERR PFX "Failed to create interface (%s)\n",
2389                         netdev->name);
2390                 rc = -EINVAL;
2391                 goto if_create_err;
2392         }
2393
2394         /* Add interface to if_list */
2395         list_add_tail(&interface->list, &if_list);
2396
2397         lport->boot_time = jiffies;
2398
2399         /* Make this master N_port */
2400         ctlr->lp = lport;
2401
2402         if (link_state == BNX2FC_CREATE_LINK_UP)
2403                 cdev->enabled = FCOE_CTLR_ENABLED;
2404         else
2405                 cdev->enabled = FCOE_CTLR_DISABLED;
2406
2407         if (link_state == BNX2FC_CREATE_LINK_UP &&
2408             !bnx2fc_link_ok(lport)) {
2409                 fcoe_ctlr_link_up(ctlr);
2410                 fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
2411                 set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state);
2412         }
2413
2414         BNX2FC_HBA_DBG(lport, "create: START DISC\n");
2415         bnx2fc_start_disc(interface);
2416
2417         if (link_state == BNX2FC_CREATE_LINK_UP)
2418                 interface->enabled = true;
2419
2420         /*
2421          * Release from kref_init in bnx2fc_interface_setup, on success
2422          * lport should be holding a reference taken in bnx2fc_if_create
2423          */
2424         bnx2fc_interface_put(interface);
2425         /* put netdev that was held while calling dev_get_by_name */
2426         mutex_unlock(&bnx2fc_dev_lock);
2427         rtnl_unlock();
2428         return 0;
2429
2430 if_create_err:
2431         destroy_workqueue(interface->timer_work_queue);
2432 ifput_err:
2433         bnx2fc_net_cleanup(interface);
2434         bnx2fc_interface_put(interface);
2435         goto mod_err;
2436 netdev_err:
2437         module_put(THIS_MODULE);
2438 mod_err:
2439         mutex_unlock(&bnx2fc_dev_lock);
2440         rtnl_unlock();
2441         return rc;
2442 }
2443
2444 /**
2445  * bnx2fc_create() - Create a bnx2fc interface
2446  * @netdev  : The net_device object the Ethernet interface to create on
2447  * @fip_mode: The FIP mode for this creation
2448  *
2449  * Called from fcoe transport
2450  *
2451  * Returns: 0 for success
2452  */
2453 static int bnx2fc_create(struct net_device *netdev, enum fip_mode fip_mode)
2454 {
2455         return _bnx2fc_create(netdev, fip_mode, BNX2FC_CREATE_LINK_UP);
2456 }
2457
2458 /**
2459  * bnx2fc_ctlr_alloc() - Allocate a bnx2fc interface from fcoe_sysfs
2460  * @netdev: The net_device to be used by the allocated FCoE Controller
2461  *
2462  * This routine is called from fcoe_sysfs. It will start the fcoe_ctlr
2463  * in a link_down state. The allows the user an opportunity to configure
2464  * the FCoE Controller from sysfs before enabling the FCoE Controller.
2465  *
2466  * Creating in with this routine starts the FCoE Controller in Fabric
2467  * mode. The user can change to VN2VN or another mode before enabling.
2468  */
2469 static int bnx2fc_ctlr_alloc(struct net_device *netdev)
2470 {
2471         return _bnx2fc_create(netdev, FIP_MODE_FABRIC,
2472                               BNX2FC_CREATE_LINK_DOWN);
2473 }
2474
2475 /**
2476  * bnx2fc_find_hba_for_cnic - maps cnic instance to bnx2fc hba instance
2477  *
2478  * @cnic:       Pointer to cnic device instance
2479  *
2480  **/
2481 static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic)
2482 {
2483         struct bnx2fc_hba *hba;
2484
2485         /* Called with bnx2fc_dev_lock held */
2486         list_for_each_entry(hba, &adapter_list, list) {
2487                 if (hba->cnic == cnic)
2488                         return hba;
2489         }
2490         return NULL;
2491 }
2492
2493 static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device
2494                                                         *netdev)
2495 {
2496         struct bnx2fc_interface *interface;
2497
2498         /* Called with bnx2fc_dev_lock held */
2499         list_for_each_entry(interface, &if_list, list) {
2500                 if (interface->netdev == netdev)
2501                         return interface;
2502         }
2503         return NULL;
2504 }
2505
2506 static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device
2507                                                       *phys_dev)
2508 {
2509         struct bnx2fc_hba *hba;
2510
2511         /* Called with bnx2fc_dev_lock held */
2512         list_for_each_entry(hba, &adapter_list, list) {
2513                 if (hba->phys_dev == phys_dev)
2514                         return hba;
2515         }
2516         printk(KERN_ERR PFX "adapter_lookup: hba NULL\n");
2517         return NULL;
2518 }
2519
2520 /**
2521  * bnx2fc_ulp_exit - shuts down adapter instance and frees all resources
2522  *
2523  * @dev         cnic device handle
2524  */
2525 static void bnx2fc_ulp_exit(struct cnic_dev *dev)
2526 {
2527         struct bnx2fc_hba *hba;
2528         struct bnx2fc_interface *interface, *tmp;
2529
2530         BNX2FC_MISC_DBG("Entered bnx2fc_ulp_exit\n");
2531
2532         if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
2533                 printk(KERN_ERR PFX "bnx2fc port check: %s, flags: %lx\n",
2534                         dev->netdev->name, dev->flags);
2535                 return;
2536         }
2537
2538         mutex_lock(&bnx2fc_dev_lock);
2539         hba = bnx2fc_find_hba_for_cnic(dev);
2540         if (!hba) {
2541                 printk(KERN_ERR PFX "bnx2fc_ulp_exit: hba not found, dev 0%p\n",
2542                        dev);
2543                 mutex_unlock(&bnx2fc_dev_lock);
2544                 return;
2545         }
2546
2547         list_del_init(&hba->list);
2548         adapter_count--;
2549
2550         list_for_each_entry_safe(interface, tmp, &if_list, list)
2551                 /* destroy not called yet, move to quiesced list */
2552                 if (interface->hba == hba)
2553                         __bnx2fc_destroy(interface);
2554         mutex_unlock(&bnx2fc_dev_lock);
2555
2556         /* Ensure ALL destroy work has been completed before return */
2557         flush_workqueue(bnx2fc_wq);
2558
2559         bnx2fc_ulp_stop(hba);
2560         /* unregister cnic device */
2561         if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic))
2562                 hba->cnic->unregister_device(hba->cnic, CNIC_ULP_FCOE);
2563         bnx2fc_hba_destroy(hba);
2564 }
2565
2566 static void bnx2fc_rport_terminate_io(struct fc_rport *rport)
2567 {
2568         /* This is a no-op */
2569 }
2570
2571 /**
2572  * bnx2fc_fcoe_reset - Resets the fcoe
2573  *
2574  * @shost: shost the reset is from
2575  *
2576  * Returns: always 0
2577  */
2578 static int bnx2fc_fcoe_reset(struct Scsi_Host *shost)
2579 {
2580         struct fc_lport *lport = shost_priv(shost);
2581         fc_lport_reset(lport);
2582         return 0;
2583 }
2584
2585
2586 static bool bnx2fc_match(struct net_device *netdev)
2587 {
2588         struct net_device *phys_dev = netdev;
2589
2590         mutex_lock(&bnx2fc_dev_lock);
2591         if (is_vlan_dev(netdev))
2592                 phys_dev = vlan_dev_real_dev(netdev);
2593
2594         if (bnx2fc_hba_lookup(phys_dev)) {
2595                 mutex_unlock(&bnx2fc_dev_lock);
2596                 return true;
2597         }
2598
2599         mutex_unlock(&bnx2fc_dev_lock);
2600         return false;
2601 }
2602
2603
2604 static struct fcoe_transport bnx2fc_transport = {
2605         .name = {"bnx2fc"},
2606         .attached = false,
2607         .list = LIST_HEAD_INIT(bnx2fc_transport.list),
2608         .alloc = bnx2fc_ctlr_alloc,
2609         .match = bnx2fc_match,
2610         .create = bnx2fc_create,
2611         .destroy = bnx2fc_destroy,
2612         .enable = bnx2fc_enable,
2613         .disable = bnx2fc_disable,
2614 };
2615
2616 /**
2617  * bnx2fc_cpu_online - Create a receive thread for an  online CPU
2618  *
2619  * @cpu: cpu index for the online cpu
2620  */
2621 static int bnx2fc_cpu_online(unsigned int cpu)
2622 {
2623         struct bnx2fc_percpu_s *p;
2624         struct task_struct *thread;
2625
2626         p = &per_cpu(bnx2fc_percpu, cpu);
2627
2628         thread = kthread_create_on_node(bnx2fc_percpu_io_thread,
2629                                         (void *)p, cpu_to_node(cpu),
2630                                         "bnx2fc_thread/%d", cpu);
2631         if (IS_ERR(thread))
2632                 return PTR_ERR(thread);
2633
2634         /* bind thread to the cpu */
2635         kthread_bind(thread, cpu);
2636         p->iothread = thread;
2637         wake_up_process(thread);
2638         return 0;
2639 }
2640
2641 static int bnx2fc_cpu_offline(unsigned int cpu)
2642 {
2643         struct bnx2fc_percpu_s *p;
2644         struct task_struct *thread;
2645         struct bnx2fc_work *work, *tmp;
2646
2647         BNX2FC_MISC_DBG("destroying io thread for CPU %d\n", cpu);
2648
2649         /* Prevent any new work from being queued for this CPU */
2650         p = &per_cpu(bnx2fc_percpu, cpu);
2651         spin_lock_bh(&p->fp_work_lock);
2652         thread = p->iothread;
2653         p->iothread = NULL;
2654
2655         /* Free all work in the list */
2656         list_for_each_entry_safe(work, tmp, &p->work_list, list) {
2657                 list_del_init(&work->list);
2658                 bnx2fc_process_cq_compl(work->tgt, work->wqe);
2659                 kfree(work);
2660         }
2661
2662         spin_unlock_bh(&p->fp_work_lock);
2663
2664         if (thread)
2665                 kthread_stop(thread);
2666         return 0;
2667 }
2668
2669 static int bnx2fc_slave_configure(struct scsi_device *sdev)
2670 {
2671         if (!bnx2fc_queue_depth)
2672                 return 0;
2673
2674         scsi_change_queue_depth(sdev, bnx2fc_queue_depth);
2675         return 0;
2676 }
2677
2678 static enum cpuhp_state bnx2fc_online_state;
2679
2680 /**
2681  * bnx2fc_mod_init - module init entry point
2682  *
2683  * Initialize driver wide global data structures, and register
2684  * with cnic module
2685  **/
2686 static int __init bnx2fc_mod_init(void)
2687 {
2688         struct fcoe_percpu_s *bg;
2689         struct task_struct *l2_thread;
2690         int rc = 0;
2691         unsigned int cpu = 0;
2692         struct bnx2fc_percpu_s *p;
2693
2694         printk(KERN_INFO PFX "%s", version);
2695
2696         /* register as a fcoe transport */
2697         rc = fcoe_transport_attach(&bnx2fc_transport);
2698         if (rc) {
2699                 printk(KERN_ERR "failed to register an fcoe transport, check "
2700                         "if libfcoe is loaded\n");
2701                 goto out;
2702         }
2703
2704         INIT_LIST_HEAD(&adapter_list);
2705         INIT_LIST_HEAD(&if_list);
2706         mutex_init(&bnx2fc_dev_lock);
2707         adapter_count = 0;
2708
2709         /* Attach FC transport template */
2710         rc = bnx2fc_attach_transport();
2711         if (rc)
2712                 goto detach_ft;
2713
2714         bnx2fc_wq = alloc_workqueue("bnx2fc", 0, 0);
2715         if (!bnx2fc_wq) {
2716                 rc = -ENOMEM;
2717                 goto release_bt;
2718         }
2719
2720         bg = &bnx2fc_global;
2721         skb_queue_head_init(&bg->fcoe_rx_list);
2722         l2_thread = kthread_create(bnx2fc_l2_rcv_thread,
2723                                    (void *)bg,
2724                                    "bnx2fc_l2_thread");
2725         if (IS_ERR(l2_thread)) {
2726                 rc = PTR_ERR(l2_thread);
2727                 goto free_wq;
2728         }
2729         wake_up_process(l2_thread);
2730         spin_lock_bh(&bg->fcoe_rx_list.lock);
2731         bg->kthread = l2_thread;
2732         spin_unlock_bh(&bg->fcoe_rx_list.lock);
2733
2734         for_each_possible_cpu(cpu) {
2735                 p = &per_cpu(bnx2fc_percpu, cpu);
2736                 INIT_LIST_HEAD(&p->work_list);
2737                 spin_lock_init(&p->fp_work_lock);
2738         }
2739
2740         rc = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "scsi/bnx2fc:online",
2741                                bnx2fc_cpu_online, bnx2fc_cpu_offline);
2742         if (rc < 0)
2743                 goto stop_thread;
2744         bnx2fc_online_state = rc;
2745
2746         cnic_register_driver(CNIC_ULP_FCOE, &bnx2fc_cnic_cb);
2747         return 0;
2748
2749 stop_thread:
2750         kthread_stop(l2_thread);
2751 free_wq:
2752         destroy_workqueue(bnx2fc_wq);
2753 release_bt:
2754         bnx2fc_release_transport();
2755 detach_ft:
2756         fcoe_transport_detach(&bnx2fc_transport);
2757 out:
2758         return rc;
2759 }
2760
2761 static void __exit bnx2fc_mod_exit(void)
2762 {
2763         LIST_HEAD(to_be_deleted);
2764         struct bnx2fc_hba *hba, *next;
2765         struct fcoe_percpu_s *bg;
2766         struct task_struct *l2_thread;
2767         struct sk_buff *skb;
2768
2769         /*
2770          * NOTE: Since cnic calls register_driver routine rtnl_lock,
2771          * it will have higher precedence than bnx2fc_dev_lock.
2772          * unregister_device() cannot be called with bnx2fc_dev_lock
2773          * held.
2774          */
2775         mutex_lock(&bnx2fc_dev_lock);
2776         list_splice_init(&adapter_list, &to_be_deleted);
2777         adapter_count = 0;
2778         mutex_unlock(&bnx2fc_dev_lock);
2779
2780         /* Unregister with cnic */
2781         list_for_each_entry_safe(hba, next, &to_be_deleted, list) {
2782                 list_del_init(&hba->list);
2783                 printk(KERN_ERR PFX "MOD_EXIT:destroy hba = 0x%p\n",
2784                        hba);
2785                 bnx2fc_ulp_stop(hba);
2786                 /* unregister cnic device */
2787                 if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED,
2788                                        &hba->reg_with_cnic))
2789                         hba->cnic->unregister_device(hba->cnic,
2790                                                          CNIC_ULP_FCOE);
2791                 bnx2fc_hba_destroy(hba);
2792         }
2793         cnic_unregister_driver(CNIC_ULP_FCOE);
2794
2795         /* Destroy global thread */
2796         bg = &bnx2fc_global;
2797         spin_lock_bh(&bg->fcoe_rx_list.lock);
2798         l2_thread = bg->kthread;
2799         bg->kthread = NULL;
2800         while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL)
2801                 kfree_skb(skb);
2802
2803         spin_unlock_bh(&bg->fcoe_rx_list.lock);
2804
2805         if (l2_thread)
2806                 kthread_stop(l2_thread);
2807
2808         cpuhp_remove_state(bnx2fc_online_state);
2809
2810         destroy_workqueue(bnx2fc_wq);
2811         /*
2812          * detach from scsi transport
2813          * must happen after all destroys are done
2814          */
2815         bnx2fc_release_transport();
2816
2817         /* detach from fcoe transport */
2818         fcoe_transport_detach(&bnx2fc_transport);
2819 }
2820
2821 module_init(bnx2fc_mod_init);
2822 module_exit(bnx2fc_mod_exit);
2823
2824 static struct fcoe_sysfs_function_template bnx2fc_fcoe_sysfs_templ = {
2825         .set_fcoe_ctlr_enabled = bnx2fc_ctlr_enabled,
2826         .get_fcoe_ctlr_link_fail = fcoe_ctlr_get_lesb,
2827         .get_fcoe_ctlr_vlink_fail = fcoe_ctlr_get_lesb,
2828         .get_fcoe_ctlr_miss_fka = fcoe_ctlr_get_lesb,
2829         .get_fcoe_ctlr_symb_err = fcoe_ctlr_get_lesb,
2830         .get_fcoe_ctlr_err_block = fcoe_ctlr_get_lesb,
2831         .get_fcoe_ctlr_fcs_error = fcoe_ctlr_get_lesb,
2832
2833         .get_fcoe_fcf_selected = fcoe_fcf_get_selected,
2834         .get_fcoe_fcf_vlan_id = bnx2fc_fcf_get_vlan_id,
2835 };
2836
2837 static struct fc_function_template bnx2fc_transport_function = {
2838         .show_host_node_name = 1,
2839         .show_host_port_name = 1,
2840         .show_host_supported_classes = 1,
2841         .show_host_supported_fc4s = 1,
2842         .show_host_active_fc4s = 1,
2843         .show_host_maxframe_size = 1,
2844
2845         .show_host_port_id = 1,
2846         .show_host_supported_speeds = 1,
2847         .get_host_speed = fc_get_host_speed,
2848         .show_host_speed = 1,
2849         .show_host_port_type = 1,
2850         .get_host_port_state = fc_get_host_port_state,
2851         .show_host_port_state = 1,
2852         .show_host_symbolic_name = 1,
2853
2854         .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) +
2855                                 sizeof(struct bnx2fc_rport)),
2856         .show_rport_maxframe_size = 1,
2857         .show_rport_supported_classes = 1,
2858
2859         .show_host_fabric_name = 1,
2860         .show_starget_node_name = 1,
2861         .show_starget_port_name = 1,
2862         .show_starget_port_id = 1,
2863         .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo,
2864         .show_rport_dev_loss_tmo = 1,
2865         .get_fc_host_stats = bnx2fc_get_host_stats,
2866
2867         .issue_fc_host_lip = bnx2fc_fcoe_reset,
2868
2869         .terminate_rport_io = bnx2fc_rport_terminate_io,
2870
2871         .vport_create = bnx2fc_vport_create,
2872         .vport_delete = bnx2fc_vport_destroy,
2873         .vport_disable = bnx2fc_vport_disable,
2874         .bsg_request = fc_lport_bsg_request,
2875 };
2876
2877 static struct fc_function_template bnx2fc_vport_xport_function = {
2878         .show_host_node_name = 1,
2879         .show_host_port_name = 1,
2880         .show_host_supported_classes = 1,
2881         .show_host_supported_fc4s = 1,
2882         .show_host_active_fc4s = 1,
2883         .show_host_maxframe_size = 1,
2884
2885         .show_host_port_id = 1,
2886         .show_host_supported_speeds = 1,
2887         .get_host_speed = fc_get_host_speed,
2888         .show_host_speed = 1,
2889         .show_host_port_type = 1,
2890         .get_host_port_state = fc_get_host_port_state,
2891         .show_host_port_state = 1,
2892         .show_host_symbolic_name = 1,
2893
2894         .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) +
2895                                 sizeof(struct bnx2fc_rport)),
2896         .show_rport_maxframe_size = 1,
2897         .show_rport_supported_classes = 1,
2898
2899         .show_host_fabric_name = 1,
2900         .show_starget_node_name = 1,
2901         .show_starget_port_name = 1,
2902         .show_starget_port_id = 1,
2903         .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo,
2904         .show_rport_dev_loss_tmo = 1,
2905         .get_fc_host_stats = fc_get_host_stats,
2906         .issue_fc_host_lip = bnx2fc_fcoe_reset,
2907         .terminate_rport_io = fc_rport_terminate_io,
2908         .bsg_request = fc_lport_bsg_request,
2909 };
2910
2911 /*
2912  * Additional scsi_host attributes.
2913  */
2914 static ssize_t
2915 bnx2fc_tm_timeout_show(struct device *dev, struct device_attribute *attr,
2916         char *buf)
2917 {
2918         struct Scsi_Host *shost = class_to_shost(dev);
2919         struct fc_lport *lport = shost_priv(shost);
2920         struct fcoe_port *port = lport_priv(lport);
2921         struct bnx2fc_interface *interface = port->priv;
2922
2923         sprintf(buf, "%u\n", interface->tm_timeout);
2924         return strlen(buf);
2925 }
2926
2927 static ssize_t
2928 bnx2fc_tm_timeout_store(struct device *dev,
2929         struct device_attribute *attr, const char *buf, size_t count)
2930 {
2931         struct Scsi_Host *shost = class_to_shost(dev);
2932         struct fc_lport *lport = shost_priv(shost);
2933         struct fcoe_port *port = lport_priv(lport);
2934         struct bnx2fc_interface *interface = port->priv;
2935         int rval, val;
2936
2937         rval = kstrtouint(buf, 10, &val);
2938         if (rval)
2939                 return rval;
2940         if (val > 255)
2941                 return -ERANGE;
2942
2943         interface->tm_timeout = (u8)val;
2944         return strlen(buf);
2945 }
2946
2947 static DEVICE_ATTR(tm_timeout, S_IRUGO|S_IWUSR, bnx2fc_tm_timeout_show,
2948         bnx2fc_tm_timeout_store);
2949
2950 static struct device_attribute *bnx2fc_host_attrs[] = {
2951         &dev_attr_tm_timeout,
2952         NULL,
2953 };
2954
2955 /**
2956  * scsi_host_template structure used while registering with SCSI-ml
2957  */
2958 static struct scsi_host_template bnx2fc_shost_template = {
2959         .module                 = THIS_MODULE,
2960         .name                   = "QLogic Offload FCoE Initiator",
2961         .queuecommand           = bnx2fc_queuecommand,
2962         .eh_timed_out           = fc_eh_timed_out,
2963         .eh_abort_handler       = bnx2fc_eh_abort,        /* abts */
2964         .eh_device_reset_handler = bnx2fc_eh_device_reset, /* lun reset */
2965         .eh_target_reset_handler = bnx2fc_eh_target_reset, /* tgt reset */
2966         .eh_host_reset_handler  = fc_eh_host_reset,
2967         .slave_alloc            = fc_slave_alloc,
2968         .change_queue_depth     = scsi_change_queue_depth,
2969         .this_id                = -1,
2970         .cmd_per_lun            = 3,
2971         .sg_tablesize           = BNX2FC_MAX_BDS_PER_CMD,
2972         .dma_boundary           = 0x7fff,
2973         .max_sectors            = 0x3fbf,
2974         .track_queue_depth      = 1,
2975         .slave_configure        = bnx2fc_slave_configure,
2976         .shost_attrs            = bnx2fc_host_attrs,
2977 };
2978
2979 static struct libfc_function_template bnx2fc_libfc_fcn_templ = {
2980         .frame_send             = bnx2fc_xmit,
2981         .elsct_send             = bnx2fc_elsct_send,
2982         .fcp_abort_io           = bnx2fc_abort_io,
2983         .fcp_cleanup            = bnx2fc_cleanup,
2984         .get_lesb               = fcoe_get_lesb,
2985         .rport_event_callback   = bnx2fc_rport_event_handler,
2986 };
2987
2988 /**
2989  * bnx2fc_cnic_cb - global template of bnx2fc - cnic driver interface
2990  *                      structure carrying callback function pointers
2991  */
2992 static struct cnic_ulp_ops bnx2fc_cnic_cb = {
2993         .owner                  = THIS_MODULE,
2994         .cnic_init              = bnx2fc_ulp_init,
2995         .cnic_exit              = bnx2fc_ulp_exit,
2996         .cnic_start             = bnx2fc_ulp_start,
2997         .cnic_stop              = bnx2fc_ulp_stop,
2998         .indicate_kcqes         = bnx2fc_indicate_kcqe,
2999         .indicate_netevent      = bnx2fc_indicate_netevent,
3000         .cnic_get_stats         = bnx2fc_ulp_get_stats,
3001 };