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 #include <linux/ethtool.h>
  20
  21 static struct list_head adapter_list;
  22 static struct list_head if_list;
  23 static u32 adapter_count;
  24 static DEFINE_MUTEX(bnx2fc_dev_lock);
  25 DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu);
  26
  27 #define DRV_MODULE_NAME         "bnx2fc"
  28 #define DRV_MODULE_VERSION      BNX2FC_VERSION
  29 #define DRV_MODULE_RELDATE      "October 15, 2015"
  30
  31
  32 static char version[] =
  33                 "QLogic FCoE Driver " DRV_MODULE_NAME \
  34                 " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
  35
  36
  37 MODULE_AUTHOR("Bhanu Prakash Gollapudi <bprakash@broadcom.com>");
  38 MODULE_DESCRIPTION("QLogic FCoE Driver");
  39 MODULE_LICENSE("GPL");
  40 MODULE_VERSION(DRV_MODULE_VERSION);
  41
  42 #define BNX2FC_MAX_QUEUE_DEPTH  256
  43 #define BNX2FC_MIN_QUEUE_DEPTH  32
  44 #define FCOE_WORD_TO_BYTE  4
  45
  46 static struct scsi_transport_template   *bnx2fc_transport_template;
  47 static struct scsi_transport_template   *bnx2fc_vport_xport_template;
  48
  49 struct workqueue_struct *bnx2fc_wq;
  50
  51 /* bnx2fc structure needs only one instance of the fcoe_percpu_s structure.
  52  * Here the io threads are per cpu but the l2 thread is just one
  53  */
  54 struct fcoe_percpu_s bnx2fc_global;
  55 static DEFINE_SPINLOCK(bnx2fc_global_lock);
  56
  57 static struct cnic_ulp_ops bnx2fc_cnic_cb;
  58 static struct libfc_function_template bnx2fc_libfc_fcn_templ;
  59 static struct scsi_host_template bnx2fc_shost_template;
  60 static struct fc_function_template bnx2fc_transport_function;
  61 static struct fcoe_sysfs_function_template bnx2fc_fcoe_sysfs_templ;
  62 static struct fc_function_template bnx2fc_vport_xport_function;
  63 static int bnx2fc_create(struct net_device *netdev, enum fip_mode fip_mode);
  64 static void __bnx2fc_destroy(struct bnx2fc_interface *interface);
  65 static int bnx2fc_destroy(struct net_device *net_device);
  66 static int bnx2fc_enable(struct net_device *netdev);
  67 static int bnx2fc_disable(struct net_device *netdev);
  68
  69 /* fcoe_syfs control interface handlers */
  70 static int bnx2fc_ctlr_alloc(struct net_device *netdev);
  71 static int bnx2fc_ctlr_enabled(struct fcoe_ctlr_device *cdev);
  72
  73 static void bnx2fc_recv_frame(struct sk_buff *skb);
  74
  75 static void bnx2fc_start_disc(struct bnx2fc_interface *interface);
  76 static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev);
  77 static int bnx2fc_lport_config(struct fc_lport *lport);
  78 static int bnx2fc_em_config(struct fc_lport *lport, struct bnx2fc_hba *hba);
  79 static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba);
  80 static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba);
  81 static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba);
  82 static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba);
  83 static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
  84                                   struct device *parent, int npiv);
  85 static void bnx2fc_port_destroy(struct fcoe_port *port);
  86
  87 static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev);
  88 static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device
  89                                                         *phys_dev);
  90 static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface);
  91 static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic);
  92
  93 static int bnx2fc_fw_init(struct bnx2fc_hba *hba);
  94 static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba);
  95
  96 static void bnx2fc_port_shutdown(struct fc_lport *lport);
  97 static void bnx2fc_stop(struct bnx2fc_interface *interface);
  98 static int __init bnx2fc_mod_init(void);
  99 static void __exit bnx2fc_mod_exit(void);
 100
 101 unsigned int bnx2fc_debug_level;
 102 module_param_named(debug_logging, bnx2fc_debug_level, int, S_IRUGO|S_IWUSR);
 103 MODULE_PARM_DESC(debug_logging,
 104                 "Option to enable extended logging,\n"
 105                 "\t\tDefault is 0 - no logging.\n"
 106                 "\t\t0x01 - SCSI cmd error, cleanup.\n"
 107                 "\t\t0x02 - Session setup, cleanup, etc.\n"
 108                 "\t\t0x04 - lport events, link, mtu, etc.\n"
 109                 "\t\t0x08 - ELS logs.\n"
 110                 "\t\t0x10 - fcoe L2 fame related logs.\n"
 111                 "\t\t0xff - LOG all messages.");
 112
 113 static uint bnx2fc_devloss_tmo;
 114 module_param_named(devloss_tmo, bnx2fc_devloss_tmo, uint, S_IRUGO);
 115 MODULE_PARM_DESC(devloss_tmo, " Change devloss_tmo for the remote ports "
 116         "attached via bnx2fc.");
 117
 118 static uint bnx2fc_max_luns = BNX2FC_MAX_LUN;
 119 module_param_named(max_luns, bnx2fc_max_luns, uint, S_IRUGO);
 120 MODULE_PARM_DESC(max_luns, " Change the default max_lun per SCSI host. Default "
 121         "0xffff.");
 122
 123 static uint bnx2fc_queue_depth;
 124 module_param_named(queue_depth, bnx2fc_queue_depth, uint, S_IRUGO);
 125 MODULE_PARM_DESC(queue_depth, " Change the default queue depth of SCSI devices "
 126         "attached via bnx2fc.");
 127
 128 static uint bnx2fc_log_fka;
 129 module_param_named(log_fka, bnx2fc_log_fka, uint, S_IRUGO|S_IWUSR);
 130 MODULE_PARM_DESC(log_fka, " Print message to kernel log when fcoe is "
 131         "initiating a FIP keep alive when debug logging is enabled.");
 132
 133 static inline struct net_device *bnx2fc_netdev(const struct fc_lport *lport)
 134 {
 135         return ((struct bnx2fc_interface *)
 136                 ((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
 137 }
 138
 139 static void bnx2fc_fcf_get_vlan_id(struct fcoe_fcf_device *fcf_dev)
 140 {
 141         struct fcoe_ctlr_device *ctlr_dev =
 142                 fcoe_fcf_dev_to_ctlr_dev(fcf_dev);
 143         struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev);
 144         struct bnx2fc_interface *fcoe = fcoe_ctlr_priv(ctlr);
 145
 146         fcf_dev->vlan_id = fcoe->vlan_id;
 147 }
 148
 149 static void bnx2fc_clean_rx_queue(struct fc_lport *lp)
 150 {
 151         struct fcoe_percpu_s *bg;
 152         struct fcoe_rcv_info *fr;
 153         struct sk_buff_head *list;
 154         struct sk_buff *skb, *next;
 155
 156         bg = &bnx2fc_global;
 157         spin_lock_bh(&bg->fcoe_rx_list.lock);
 158         list = &bg->fcoe_rx_list;
 159         skb_queue_walk_safe(list, skb, next) {
 160                 fr = fcoe_dev_from_skb(skb);
 161                 if (fr->fr_dev == lp) {
 162                         __skb_unlink(skb, list);
 163                         kfree_skb(skb);
 164                 }
 165         }
 166         spin_unlock_bh(&bg->fcoe_rx_list.lock);
 167 }
 168
 169 int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen)
 170 {
 171         int rc;
 172         spin_lock(&bnx2fc_global_lock);
 173         rc = fcoe_get_paged_crc_eof(skb, tlen, &bnx2fc_global);
 174         spin_unlock(&bnx2fc_global_lock);
 175
 176         return rc;
 177 }
 178
 179 static void bnx2fc_abort_io(struct fc_lport *lport)
 180 {
 181         /*
 182          * This function is no-op for bnx2fc, but we do
 183          * not want to leave it as NULL either, as libfc
 184          * can call the default function which is
 185          * fc_fcp_abort_io.
 186          */
 187 }
 188
 189 static void bnx2fc_cleanup(struct fc_lport *lport)
 190 {
 191         struct fcoe_port *port = lport_priv(lport);
 192         struct bnx2fc_interface *interface = port->priv;
 193         struct bnx2fc_hba *hba = interface->hba;
 194         struct bnx2fc_rport *tgt;
 195         int i;
 196
 197         BNX2FC_MISC_DBG("Entered %s\n", __func__);
 198         mutex_lock(&hba->hba_mutex);
 199         spin_lock_bh(&hba->hba_lock);
 200         for (i = 0; i < BNX2FC_NUM_MAX_SESS; i++) {
 201                 tgt = hba->tgt_ofld_list[i];
 202                 if (tgt) {
 203                         /* Cleanup IOs belonging to requested vport */
 204                         if (tgt->port == port) {
 205                                 spin_unlock_bh(&hba->hba_lock);
 206                                 BNX2FC_TGT_DBG(tgt, "flush/cleanup\n");
 207                                 bnx2fc_flush_active_ios(tgt);
 208                                 spin_lock_bh(&hba->hba_lock);
 209                         }
 210                 }
 211         }
 212         spin_unlock_bh(&hba->hba_lock);
 213         mutex_unlock(&hba->hba_mutex);
 214 }
 215
 216 static int bnx2fc_xmit_l2_frame(struct bnx2fc_rport *tgt,
 217                              struct fc_frame *fp)
 218 {
 219         struct fc_rport_priv *rdata = tgt->rdata;
 220         struct fc_frame_header *fh;
 221         int rc = 0;
 222
 223         fh = fc_frame_header_get(fp);
 224         BNX2FC_TGT_DBG(tgt, "Xmit L2 frame rport = 0x%x, oxid = 0x%x, "
 225                         "r_ctl = 0x%x\n", rdata->ids.port_id,
 226                         ntohs(fh->fh_ox_id), fh->fh_r_ctl);
 227         if ((fh->fh_type == FC_TYPE_ELS) &&
 228             (fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
 229
 230                 switch (fc_frame_payload_op(fp)) {
 231                 case ELS_ADISC:
 232                         rc = bnx2fc_send_adisc(tgt, fp);
 233                         break;
 234                 case ELS_LOGO:
 235                         rc = bnx2fc_send_logo(tgt, fp);
 236                         break;
 237                 case ELS_RLS:
 238                         rc = bnx2fc_send_rls(tgt, fp);
 239                         break;
 240                 default:
 241                         break;
 242                 }
 243         } else if ((fh->fh_type ==  FC_TYPE_BLS) &&
 244             (fh->fh_r_ctl == FC_RCTL_BA_ABTS))
 245                 BNX2FC_TGT_DBG(tgt, "ABTS frame\n");
 246         else {
 247                 BNX2FC_TGT_DBG(tgt, "Send L2 frame type 0x%x "
 248                                 "rctl 0x%x thru non-offload path\n",
 249                                 fh->fh_type, fh->fh_r_ctl);
 250                 return -ENODEV;
 251         }
 252         if (rc)
 253                 return -ENOMEM;
 254         else
 255                 return 0;
 256 }
 257
 258 /**
 259  * bnx2fc_xmit - bnx2fc's FCoE frame transmit function
 260  *
 261  * @lport:      the associated local port
 262  * @fp: the fc_frame to be transmitted
 263  */
 264 static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
 265 {
 266         struct ethhdr           *eh;
 267         struct fcoe_crc_eof     *cp;
 268         struct sk_buff          *skb;
 269         struct fc_frame_header  *fh;
 270         struct bnx2fc_interface *interface;
 271         struct fcoe_ctlr        *ctlr;
 272         struct bnx2fc_hba *hba;
 273         struct fcoe_port        *port;
 274         struct fcoe_hdr         *hp;
 275         struct bnx2fc_rport     *tgt;
 276         struct fc_stats         *stats;
 277         u8                      sof, eof;
 278         u32                     crc;
 279         unsigned int            hlen, tlen, elen;
 280         int                     wlen, rc = 0;
 281
 282         port = (struct fcoe_port *)lport_priv(lport);
 283         interface = port->priv;
 284         ctlr = bnx2fc_to_ctlr(interface);
 285         hba = interface->hba;
 286
 287         fh = fc_frame_header_get(fp);
 288
 289         skb = fp_skb(fp);
 290         if (!lport->link_up) {
 291                 BNX2FC_HBA_DBG(lport, "bnx2fc_xmit link down\n");
 292                 kfree_skb(skb);
 293                 return 0;
 294         }
 295
 296         if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
 297                 if (!ctlr->sel_fcf) {
 298                         BNX2FC_HBA_DBG(lport, "FCF not selected yet!\n");
 299                         kfree_skb(skb);
 300                         return -EINVAL;
 301                 }
 302                 if (fcoe_ctlr_els_send(ctlr, lport, skb))
 303                         return 0;
 304         }
 305
 306         sof = fr_sof(fp);
 307         eof = fr_eof(fp);
 308
 309         /*
 310          * Snoop the frame header to check if the frame is for
 311          * an offloaded session
 312          */
 313         /*
 314          * tgt_ofld_list access is synchronized using
 315          * both hba mutex and hba lock. Atleast hba mutex or
 316          * hba lock needs to be held for read access.
 317          */
 318
 319         spin_lock_bh(&hba->hba_lock);
 320         tgt = bnx2fc_tgt_lookup(port, ntoh24(fh->fh_d_id));
 321         if (tgt && (test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags))) {
 322                 /* This frame is for offloaded session */
 323                 BNX2FC_HBA_DBG(lport, "xmit: Frame is for offloaded session "
 324                                 "port_id = 0x%x\n", ntoh24(fh->fh_d_id));
 325                 spin_unlock_bh(&hba->hba_lock);
 326                 rc = bnx2fc_xmit_l2_frame(tgt, fp);
 327                 if (rc != -ENODEV) {
 328                         kfree_skb(skb);
 329                         return rc;
 330                 }
 331         } else {
 332                 spin_unlock_bh(&hba->hba_lock);
 333         }
 334
 335         elen = sizeof(struct ethhdr);
 336         hlen = sizeof(struct fcoe_hdr);
 337         tlen = sizeof(struct fcoe_crc_eof);
 338         wlen = (skb->len - tlen + sizeof(crc)) / FCOE_WORD_TO_BYTE;
 339
 340         skb->ip_summed = CHECKSUM_NONE;
 341         crc = fcoe_fc_crc(fp);
 342
 343         /* copy port crc and eof to the skb buff */
 344         if (skb_is_nonlinear(skb)) {
 345                 skb_frag_t *frag;
 346                 if (bnx2fc_get_paged_crc_eof(skb, tlen)) {
 347                         kfree_skb(skb);
 348                         return -ENOMEM;
 349                 }
 350                 frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
 351                 cp = kmap_atomic(skb_frag_page(frag)) + skb_frag_off(frag);
 352         } else {
 353                 cp = skb_put(skb, tlen);
 354         }
 355
 356         memset(cp, 0, sizeof(*cp));
 357         cp->fcoe_eof = eof;
 358         cp->fcoe_crc32 = cpu_to_le32(~crc);
 359         if (skb_is_nonlinear(skb)) {
 360                 kunmap_atomic(cp);
 361                 cp = NULL;
 362         }
 363
 364         /* adjust skb network/transport offsets to match mac/fcoe/port */
 365         skb_push(skb, elen + hlen);
 366         skb_reset_mac_header(skb);
 367         skb_reset_network_header(skb);
 368         skb->mac_len = elen;
 369         skb->protocol = htons(ETH_P_FCOE);
 370         skb->dev = interface->netdev;
 371
 372         /* fill up mac and fcoe headers */
 373         eh = eth_hdr(skb);
 374         eh->h_proto = htons(ETH_P_FCOE);
 375         if (ctlr->map_dest)
 376                 fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id);
 377         else
 378                 /* insert GW address */
 379                 memcpy(eh->h_dest, ctlr->dest_addr, ETH_ALEN);
 380
 381         if (unlikely(ctlr->flogi_oxid != FC_XID_UNKNOWN))
 382                 memcpy(eh->h_source, ctlr->ctl_src_addr, ETH_ALEN);
 383         else
 384                 memcpy(eh->h_source, port->data_src_addr, ETH_ALEN);
 385
 386         hp = (struct fcoe_hdr *)(eh + 1);
 387         memset(hp, 0, sizeof(*hp));
 388         if (FC_FCOE_VER)
 389                 FC_FCOE_ENCAPS_VER(hp, FC_FCOE_VER);
 390         hp->fcoe_sof = sof;
 391
 392         /* fcoe lso, mss is in max_payload which is non-zero for FCP data */
 393         if (lport->seq_offload && fr_max_payload(fp)) {
 394                 skb_shinfo(skb)->gso_type = SKB_GSO_FCOE;
 395                 skb_shinfo(skb)->gso_size = fr_max_payload(fp);
 396         } else {
 397                 skb_shinfo(skb)->gso_type = 0;
 398                 skb_shinfo(skb)->gso_size = 0;
 399         }
 400
 401         /*update tx stats */
 402         stats = per_cpu_ptr(lport->stats, get_cpu());
 403         stats->TxFrames++;
 404         stats->TxWords += wlen;
 405         put_cpu();
 406
 407         /* send down to lld */
 408         fr_dev(fp) = lport;
 409         if (port->fcoe_pending_queue.qlen)
 410                 fcoe_check_wait_queue(lport, skb);
 411         else if (fcoe_start_io(skb))
 412                 fcoe_check_wait_queue(lport, skb);
 413
 414         return 0;
 415 }
 416
 417 /**
 418  * bnx2fc_rcv - This is bnx2fc's receive function called by NET_RX_SOFTIRQ
 419  *
 420  * @skb:        the receive socket buffer
 421  * @dev:        associated net device
 422  * @ptype:      context
 423  * @olddev:     last device
 424  *
 425  * This function receives the packet and builds FC frame and passes it up
 426  */
 427 static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
 428                 struct packet_type *ptype, struct net_device *olddev)
 429 {
 430         struct fc_lport *lport;
 431         struct bnx2fc_interface *interface;
 432         struct fcoe_ctlr *ctlr;
 433         struct fcoe_rcv_info *fr;
 434         struct fcoe_percpu_s *bg;
 435         struct sk_buff *tmp_skb;
 436
 437         interface = container_of(ptype, struct bnx2fc_interface,
 438                                  fcoe_packet_type);
 439         ctlr = bnx2fc_to_ctlr(interface);
 440         lport = ctlr->lp;
 441
 442         if (unlikely(lport == NULL)) {
 443                 printk(KERN_ERR PFX "bnx2fc_rcv: lport is NULL\n");
 444                 goto err;
 445         }
 446
 447         tmp_skb = skb_share_check(skb, GFP_ATOMIC);
 448         if (!tmp_skb)
 449                 goto err;
 450
 451         skb = tmp_skb;
 452
 453         if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
 454                 printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n");
 455                 goto err;
 456         }
 457
 458         /*
 459          * Check for minimum frame length, and make sure required FCoE
 460          * and FC headers are pulled into the linear data area.
 461          */
 462         if (unlikely((skb->len < FCOE_MIN_FRAME) ||
 463             !pskb_may_pull(skb, FCOE_HEADER_LEN)))
 464                 goto err;
 465
 466         skb_set_transport_header(skb, sizeof(struct fcoe_hdr));
 467
 468         fr = fcoe_dev_from_skb(skb);
 469         fr->fr_dev = lport;
 470
 471         bg = &bnx2fc_global;
 472         spin_lock(&bg->fcoe_rx_list.lock);
 473
 474         __skb_queue_tail(&bg->fcoe_rx_list, skb);
 475         if (bg->fcoe_rx_list.qlen == 1)
 476                 wake_up_process(bg->kthread);
 477
 478         spin_unlock(&bg->fcoe_rx_list.lock);
 479
 480         return 0;
 481 err:
 482         kfree_skb(skb);
 483         return -1;
 484 }
 485
 486 static int bnx2fc_l2_rcv_thread(void *arg)
 487 {
 488         struct fcoe_percpu_s *bg = arg;
 489         struct sk_buff *skb;
 490
 491         set_user_nice(current, MIN_NICE);
 492         set_current_state(TASK_INTERRUPTIBLE);
 493         while (!kthread_should_stop()) {
 494                 schedule();
 495                 spin_lock_bh(&bg->fcoe_rx_list.lock);
 496                 while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL) {
 497                         spin_unlock_bh(&bg->fcoe_rx_list.lock);
 498                         bnx2fc_recv_frame(skb);
 499                         spin_lock_bh(&bg->fcoe_rx_list.lock);
 500                 }
 501                 __set_current_state(TASK_INTERRUPTIBLE);
 502                 spin_unlock_bh(&bg->fcoe_rx_list.lock);
 503         }
 504         __set_current_state(TASK_RUNNING);
 505         return 0;
 506 }
 507
 508
 509 static void bnx2fc_recv_frame(struct sk_buff *skb)
 510 {
 511         u64 crc_err;
 512         u32 fr_len, fr_crc;
 513         struct fc_lport *lport;
 514         struct fcoe_rcv_info *fr;
 515         struct fc_stats *stats;
 516         struct fc_frame_header *fh;
 517         struct fcoe_crc_eof crc_eof;
 518         struct fc_frame *fp;
 519         struct fc_lport *vn_port;
 520         struct fcoe_port *port, *phys_port;
 521         u8 *mac = NULL;
 522         u8 *dest_mac = NULL;
 523         struct fcoe_hdr *hp;
 524         struct bnx2fc_interface *interface;
 525         struct fcoe_ctlr *ctlr;
 526
 527         fr = fcoe_dev_from_skb(skb);
 528         lport = fr->fr_dev;
 529         if (unlikely(lport == NULL)) {
 530                 printk(KERN_ERR PFX "Invalid lport struct\n");
 531                 kfree_skb(skb);
 532                 return;
 533         }
 534
 535         if (skb_is_nonlinear(skb))
 536                 skb_linearize(skb);
 537         mac = eth_hdr(skb)->h_source;
 538         dest_mac = eth_hdr(skb)->h_dest;
 539
 540         /* Pull the header */
 541         hp = (struct fcoe_hdr *) skb_network_header(skb);
 542         fh = (struct fc_frame_header *) skb_transport_header(skb);
 543         skb_pull(skb, sizeof(struct fcoe_hdr));
 544         fr_len = skb->len - sizeof(struct fcoe_crc_eof);
 545
 546         stats = per_cpu_ptr(lport->stats, get_cpu());
 547         stats->RxFrames++;
 548         stats->RxWords += fr_len / FCOE_WORD_TO_BYTE;
 549         put_cpu();
 550
 551         fp = (struct fc_frame *)skb;
 552         fc_frame_init(fp);
 553         fr_dev(fp) = lport;
 554         fr_sof(fp) = hp->fcoe_sof;
 555         if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) {
 556                 kfree_skb(skb);
 557                 return;
 558         }
 559         fr_eof(fp) = crc_eof.fcoe_eof;
 560         fr_crc(fp) = crc_eof.fcoe_crc32;
 561         if (pskb_trim(skb, fr_len)) {
 562                 kfree_skb(skb);
 563                 return;
 564         }
 565
 566         phys_port = lport_priv(lport);
 567         interface = phys_port->priv;
 568         ctlr = bnx2fc_to_ctlr(interface);
 569
 570         fh = fc_frame_header_get(fp);
 571
 572         if (ntoh24(&dest_mac[3]) != ntoh24(fh->fh_d_id)) {
 573                 BNX2FC_HBA_DBG(lport, "FC frame d_id mismatch with MAC %pM.\n",
 574                     dest_mac);
 575                 kfree_skb(skb);
 576                 return;
 577         }
 578
 579         vn_port = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id));
 580         if (vn_port) {
 581                 port = lport_priv(vn_port);
 582                 if (!ether_addr_equal(port->data_src_addr, dest_mac)) {
 583                         BNX2FC_HBA_DBG(lport, "fpma mismatch\n");
 584                         kfree_skb(skb);
 585                         return;
 586                 }
 587         }
 588         if (ctlr->state) {
 589                 if (!ether_addr_equal(mac, ctlr->dest_addr)) {
 590                         BNX2FC_HBA_DBG(lport, "Wrong source address: mac:%pM dest_addr:%pM.\n",
 591                             mac, ctlr->dest_addr);
 592                         kfree_skb(skb);
 593                         return;
 594                 }
 595         }
 596         if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA &&
 597             fh->fh_type == FC_TYPE_FCP) {
 598                 /* Drop FCP data. We dont this in L2 path */
 599                 kfree_skb(skb);
 600                 return;
 601         }
 602         if (fh->fh_r_ctl == FC_RCTL_ELS_REQ &&
 603             fh->fh_type == FC_TYPE_ELS) {
 604                 switch (fc_frame_payload_op(fp)) {
 605                 case ELS_LOGO:
 606                         if (ntoh24(fh->fh_s_id) == FC_FID_FLOGI) {
 607                                 /* drop non-FIP LOGO */
 608                                 kfree_skb(skb);
 609                                 return;
 610                         }
 611                         break;
 612                 }
 613         }
 614
 615         if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) {
 616                 /* Drop incoming ABTS */
 617                 kfree_skb(skb);
 618                 return;
 619         }
 620
 621         /*
 622          * If the destination ID from the frame header does not match what we
 623          * have on record for lport and the search for a NPIV port came up
 624          * empty then this is not addressed to our port so simply drop it.
 625          */
 626         if (lport->port_id != ntoh24(fh->fh_d_id) && !vn_port) {
 627                 BNX2FC_HBA_DBG(lport, "Dropping frame due to destination mismatch: lport->port_id=%x fh->d_id=%x.\n",
 628                     lport->port_id, ntoh24(fh->fh_d_id));
 629                 kfree_skb(skb);
 630                 return;
 631         }
 632
 633         fr_crc = le32_to_cpu(fr_crc(fp));
 634
 635         if (unlikely(fr_crc != ~crc32(~0, skb->data, fr_len))) {
 636                 stats = per_cpu_ptr(lport->stats, get_cpu());
 637                 crc_err = (stats->InvalidCRCCount++);
 638                 put_cpu();
 639                 if (crc_err < 5)
 640                         printk(KERN_WARNING PFX "dropping frame with "
 641                                "CRC error\n");
 642                 kfree_skb(skb);
 643                 return;
 644         }
 645         fc_exch_recv(lport, fp);
 646 }
 647
 648 /**
 649  * bnx2fc_percpu_io_thread - thread per cpu for ios
 650  *
 651  * @arg:        ptr to bnx2fc_percpu_info structure
 652  */
 653 static int bnx2fc_percpu_io_thread(void *arg)
 654 {
 655         struct bnx2fc_percpu_s *p = arg;
 656         struct bnx2fc_work *work, *tmp;
 657         LIST_HEAD(work_list);
 658
 659         set_user_nice(current, MIN_NICE);
 660         set_current_state(TASK_INTERRUPTIBLE);
 661         while (!kthread_should_stop()) {
 662                 schedule();
 663                 spin_lock_bh(&p->fp_work_lock);
 664                 while (!list_empty(&p->work_list)) {
 665                         list_splice_init(&p->work_list, &work_list);
 666                         spin_unlock_bh(&p->fp_work_lock);
 667
 668                         list_for_each_entry_safe(work, tmp, &work_list, list) {
 669                                 list_del_init(&work->list);
 670                                 bnx2fc_process_cq_compl(work->tgt, work->wqe,
 671                                                         work->rq_data,
 672                                                         work->num_rq,
 673                                                         work->task);
 674                                 kfree(work);
 675                         }
 676
 677                         spin_lock_bh(&p->fp_work_lock);
 678                 }
 679                 __set_current_state(TASK_INTERRUPTIBLE);
 680                 spin_unlock_bh(&p->fp_work_lock);
 681         }
 682         __set_current_state(TASK_RUNNING);
 683
 684         return 0;
 685 }
 686
 687 static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost)
 688 {
 689         struct fc_host_statistics *bnx2fc_stats;
 690         struct fc_lport *lport = shost_priv(shost);
 691         struct fcoe_port *port = lport_priv(lport);
 692         struct bnx2fc_interface *interface = port->priv;
 693         struct bnx2fc_hba *hba = interface->hba;
 694         struct fcoe_statistics_params *fw_stats;
 695         int rc = 0;
 696
 697         fw_stats = (struct fcoe_statistics_params *)hba->stats_buffer;
 698         if (!fw_stats)
 699                 return NULL;
 700
 701         mutex_lock(&hba->hba_stats_mutex);
 702
 703         bnx2fc_stats = fc_get_host_stats(shost);
 704
 705         init_completion(&hba->stat_req_done);
 706         if (bnx2fc_send_stat_req(hba))
 707                 goto unlock_stats_mutex;
 708         rc = wait_for_completion_timeout(&hba->stat_req_done, (2 * HZ));
 709         if (!rc) {
 710                 BNX2FC_HBA_DBG(lport, "FW stat req timed out\n");
 711                 goto unlock_stats_mutex;
 712         }
 713         BNX2FC_STATS(hba, rx_stat2, fc_crc_cnt);
 714         bnx2fc_stats->invalid_crc_count += hba->bfw_stats.fc_crc_cnt;
 715         BNX2FC_STATS(hba, tx_stat, fcoe_tx_pkt_cnt);
 716         bnx2fc_stats->tx_frames += hba->bfw_stats.fcoe_tx_pkt_cnt;
 717         BNX2FC_STATS(hba, tx_stat, fcoe_tx_byte_cnt);
 718         bnx2fc_stats->tx_words += ((hba->bfw_stats.fcoe_tx_byte_cnt) / 4);
 719         BNX2FC_STATS(hba, rx_stat0, fcoe_rx_pkt_cnt);
 720         bnx2fc_stats->rx_frames += hba->bfw_stats.fcoe_rx_pkt_cnt;
 721         BNX2FC_STATS(hba, rx_stat0, fcoe_rx_byte_cnt);
 722         bnx2fc_stats->rx_words += ((hba->bfw_stats.fcoe_rx_byte_cnt) / 4);
 723
 724         bnx2fc_stats->dumped_frames = 0;
 725         bnx2fc_stats->lip_count = 0;
 726         bnx2fc_stats->nos_count = 0;
 727         bnx2fc_stats->loss_of_sync_count = 0;
 728         bnx2fc_stats->loss_of_signal_count = 0;
 729         bnx2fc_stats->prim_seq_protocol_err_count = 0;
 730
 731         memcpy(&hba->prev_stats, hba->stats_buffer,
 732                sizeof(struct fcoe_statistics_params));
 733
 734 unlock_stats_mutex:
 735         mutex_unlock(&hba->hba_stats_mutex);
 736         return bnx2fc_stats;
 737 }
 738
 739 static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev)
 740 {
 741         struct fcoe_port *port = lport_priv(lport);
 742         struct bnx2fc_interface *interface = port->priv;
 743         struct bnx2fc_hba *hba = interface->hba;
 744         struct Scsi_Host *shost = lport->host;
 745         int rc = 0;
 746
 747         shost->max_cmd_len = BNX2FC_MAX_CMD_LEN;
 748         shost->max_lun = bnx2fc_max_luns;
 749         shost->max_id = BNX2FC_MAX_FCP_TGT;
 750         shost->max_channel = 0;
 751         if (lport->vport)
 752                 shost->transportt = bnx2fc_vport_xport_template;
 753         else
 754                 shost->transportt = bnx2fc_transport_template;
 755
 756         /* Add the new host to SCSI-ml */
 757         rc = scsi_add_host(lport->host, dev);
 758         if (rc) {
 759                 printk(KERN_ERR PFX "Error on scsi_add_host\n");
 760                 return rc;
 761         }
 762         if (!lport->vport)
 763                 fc_host_max_npiv_vports(lport->host) = USHRT_MAX;
 764         snprintf(fc_host_symbolic_name(lport->host), 256,
 765                  "%s (QLogic %s) v%s over %s",
 766                 BNX2FC_NAME, hba->chip_num, BNX2FC_VERSION,
 767                 interface->netdev->name);
 768
 769         return 0;
 770 }
 771
 772 static int bnx2fc_link_ok(struct fc_lport *lport)
 773 {
 774         struct fcoe_port *port = lport_priv(lport);
 775         struct bnx2fc_interface *interface = port->priv;
 776         struct bnx2fc_hba *hba = interface->hba;
 777         struct net_device *dev = hba->phys_dev;
 778         int rc = 0;
 779
 780         if ((dev->flags & IFF_UP) && netif_carrier_ok(dev))
 781                 clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 782         else {
 783                 set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 784                 rc = -1;
 785         }
 786         return rc;
 787 }
 788
 789 /**
 790  * bnx2fc_get_link_state - get network link state
 791  *
 792  * @hba:        adapter instance pointer
 793  *
 794  * updates adapter structure flag based on netdev state
 795  */
 796 void bnx2fc_get_link_state(struct bnx2fc_hba *hba)
 797 {
 798         if (test_bit(__LINK_STATE_NOCARRIER, &hba->phys_dev->state))
 799                 set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 800         else
 801                 clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 802 }
 803
 804 static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev)
 805 {
 806         struct bnx2fc_hba *hba;
 807         struct bnx2fc_interface *interface;
 808         struct fcoe_ctlr *ctlr;
 809         struct fcoe_port *port;
 810         u64 wwnn, wwpn;
 811
 812         port = lport_priv(lport);
 813         interface = port->priv;
 814         ctlr = bnx2fc_to_ctlr(interface);
 815         hba = interface->hba;
 816
 817         /* require support for get_pauseparam ethtool op. */
 818         if (!hba->phys_dev->ethtool_ops ||
 819             !hba->phys_dev->ethtool_ops->get_pauseparam)
 820                 return -EOPNOTSUPP;
 821
 822         if (fc_set_mfs(lport, BNX2FC_MFS))
 823                 return -EINVAL;
 824
 825         skb_queue_head_init(&port->fcoe_pending_queue);
 826         port->fcoe_pending_queue_active = 0;
 827         timer_setup(&port->timer, fcoe_queue_timer, 0);
 828
 829         fcoe_link_speed_update(lport);
 830
 831         if (!lport->vport) {
 832                 if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN))
 833                         wwnn = fcoe_wwn_from_mac(ctlr->ctl_src_addr,
 834                                                  1, 0);
 835                 BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn);
 836                 fc_set_wwnn(lport, wwnn);
 837
 838                 if (fcoe_get_wwn(netdev, &wwpn, NETDEV_FCOE_WWPN))
 839                         wwpn = fcoe_wwn_from_mac(ctlr->ctl_src_addr,
 840                                                  2, 0);
 841
 842                 BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn);
 843                 fc_set_wwpn(lport, wwpn);
 844         }
 845
 846         return 0;
 847 }
 848
 849 static void bnx2fc_destroy_timer(struct timer_list *t)
 850 {
 851         struct bnx2fc_hba *hba = from_timer(hba, t, destroy_timer);
 852
 853         printk(KERN_ERR PFX "ERROR:bnx2fc_destroy_timer - "
 854                "Destroy compl not received!!\n");
 855         set_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags);
 856         wake_up_interruptible(&hba->destroy_wait);
 857 }
 858
 859 /**
 860  * bnx2fc_indicate_netevent - Generic netdev event handler
 861  *
 862  * @context:    adapter structure pointer
 863  * @event:      event type
 864  * @vlan_id:    vlan id - associated vlan id with this event
 865  *
 866  * Handles NETDEV_UP, NETDEV_DOWN, NETDEV_GOING_DOWN,NETDEV_CHANGE and
 867  * NETDEV_CHANGE_MTU events. Handle NETDEV_UNREGISTER only for vlans.
 868  */
 869 static void bnx2fc_indicate_netevent(void *context, unsigned long event,
 870                                      u16 vlan_id)
 871 {
 872         struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context;
 873         struct fcoe_ctlr_device *cdev;
 874         struct fc_lport *lport;
 875         struct fc_lport *vport;
 876         struct bnx2fc_interface *interface, *tmp;
 877         struct fcoe_ctlr *ctlr;
 878         int wait_for_upload = 0;
 879         u32 link_possible = 1;
 880
 881         if (vlan_id != 0 && event != NETDEV_UNREGISTER)
 882                 return;
 883
 884         switch (event) {
 885         case NETDEV_UP:
 886                 if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state))
 887                         printk(KERN_ERR "indicate_netevent: "\
 888                                         "hba is not UP!!\n");
 889                 break;
 890
 891         case NETDEV_DOWN:
 892                 clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
 893                 clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
 894                 link_possible = 0;
 895                 break;
 896
 897         case NETDEV_GOING_DOWN:
 898                 set_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
 899                 link_possible = 0;
 900                 break;
 901
 902         case NETDEV_CHANGE:
 903                 break;
 904
 905         case NETDEV_UNREGISTER:
 906                 if (!vlan_id)
 907                         return;
 908                 mutex_lock(&bnx2fc_dev_lock);
 909                 list_for_each_entry_safe(interface, tmp, &if_list, list) {
 910                         if (interface->hba == hba &&
 911                             interface->vlan_id == (vlan_id & VLAN_VID_MASK))
 912                                 __bnx2fc_destroy(interface);
 913                 }
 914                 mutex_unlock(&bnx2fc_dev_lock);
 915                 return;
 916
 917         default:
 918                 return;
 919         }
 920
 921         mutex_lock(&bnx2fc_dev_lock);
 922         list_for_each_entry(interface, &if_list, list) {
 923
 924                 if (interface->hba != hba)
 925                         continue;
 926
 927                 ctlr = bnx2fc_to_ctlr(interface);
 928                 lport = ctlr->lp;
 929                 BNX2FC_HBA_DBG(lport, "netevent handler - event=%s %ld\n",
 930                                 interface->netdev->name, event);
 931
 932                 fcoe_link_speed_update(lport);
 933
 934                 cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
 935
 936                 if (link_possible && !bnx2fc_link_ok(lport)) {
 937                         switch (cdev->enabled) {
 938                         case FCOE_CTLR_DISABLED:
 939                                 pr_info("Link up while interface is disabled.\n");
 940                                 break;
 941                         case FCOE_CTLR_ENABLED:
 942                         case FCOE_CTLR_UNUSED:
 943                                 /* Reset max recv frame size to default */
 944                                 fc_set_mfs(lport, BNX2FC_MFS);
 945                                 /*
 946                                  * ctlr link up will only be handled during
 947                                  * enable to avoid sending discovery
 948                                  * solicitation on a stale vlan
 949                                  */
 950                                 if (interface->enabled)
 951                                         fcoe_ctlr_link_up(ctlr);
 952                         }
 953                 } else if (fcoe_ctlr_link_down(ctlr)) {
 954                         switch (cdev->enabled) {
 955                         case FCOE_CTLR_DISABLED:
 956                                 pr_info("Link down while interface is disabled.\n");
 957                                 break;
 958                         case FCOE_CTLR_ENABLED:
 959                         case FCOE_CTLR_UNUSED:
 960                                 mutex_lock(&lport->lp_mutex);
 961                                 list_for_each_entry(vport, &lport->vports, list)
 962                                         fc_host_port_type(vport->host) =
 963                                         FC_PORTTYPE_UNKNOWN;
 964                                 mutex_unlock(&lport->lp_mutex);
 965                                 fc_host_port_type(lport->host) =
 966                                         FC_PORTTYPE_UNKNOWN;
 967                                 per_cpu_ptr(lport->stats,
 968                                             get_cpu())->LinkFailureCount++;
 969                                 put_cpu();
 970                                 fcoe_clean_pending_queue(lport);
 971                                 wait_for_upload = 1;
 972                         }
 973                 }
 974         }
 975         mutex_unlock(&bnx2fc_dev_lock);
 976
 977         if (wait_for_upload) {
 978                 clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
 979                 init_waitqueue_head(&hba->shutdown_wait);
 980                 BNX2FC_MISC_DBG("indicate_netevent "
 981                                 "num_ofld_sess = %d\n",
 982                                 hba->num_ofld_sess);
 983                 hba->wait_for_link_down = 1;
 984                 wait_event_interruptible(hba->shutdown_wait,
 985                                          (hba->num_ofld_sess == 0));
 986                 BNX2FC_MISC_DBG("wakeup - num_ofld_sess = %d\n",
 987                                 hba->num_ofld_sess);
 988                 hba->wait_for_link_down = 0;
 989
 990                 if (signal_pending(current))
 991                         flush_signals(current);
 992         }
 993 }
 994
 995 static int bnx2fc_libfc_config(struct fc_lport *lport)
 996 {
 997
 998         /* Set the function pointers set by bnx2fc driver */
 999         memcpy(&lport->tt, &bnx2fc_libfc_fcn_templ,
1000                 sizeof(struct libfc_function_template));
1001         fc_elsct_init(lport);
1002         fc_exch_init(lport);
1003         fc_disc_init(lport);
1004         fc_disc_config(lport, lport);
1005         return 0;
1006 }
1007
1008 static int bnx2fc_em_config(struct fc_lport *lport, struct bnx2fc_hba *hba)
1009 {
1010         int fcoe_min_xid, fcoe_max_xid;
1011
1012         fcoe_min_xid = hba->max_xid + 1;
1013         if (nr_cpu_ids <= 2)
1014                 fcoe_max_xid = hba->max_xid + FCOE_XIDS_PER_CPU_OFFSET;
1015         else
1016                 fcoe_max_xid = hba->max_xid + FCOE_MAX_XID_OFFSET;
1017         if (!fc_exch_mgr_alloc(lport, FC_CLASS_3, fcoe_min_xid,
1018                                fcoe_max_xid, NULL)) {
1019                 printk(KERN_ERR PFX "em_config:fc_exch_mgr_alloc failed\n");
1020                 return -ENOMEM;
1021         }
1022
1023         return 0;
1024 }
1025
1026 static int bnx2fc_lport_config(struct fc_lport *lport)
1027 {
1028         lport->link_up = 0;
1029         lport->qfull = 0;
1030         lport->max_retry_count = BNX2FC_MAX_RETRY_CNT;
1031         lport->max_rport_retry_count = BNX2FC_MAX_RPORT_RETRY_CNT;
1032         lport->e_d_tov = 2 * 1000;
1033         lport->r_a_tov = 10 * 1000;
1034
1035         lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
1036                                 FCP_SPPF_RETRY | FCP_SPPF_CONF_COMPL);
1037         lport->does_npiv = 1;
1038
1039         memset(&lport->rnid_gen, 0, sizeof(struct fc_els_rnid_gen));
1040         lport->rnid_gen.rnid_atype = BNX2FC_RNID_HBA;
1041
1042         /* alloc stats structure */
1043         if (fc_lport_init_stats(lport))
1044                 return -ENOMEM;
1045
1046         /* Finish fc_lport configuration */
1047         fc_lport_config(lport);
1048
1049         return 0;
1050 }
1051
1052 /**
1053  * bnx2fc_fip_recv - handle a received FIP frame.
1054  *
1055  * @skb: the received skb
1056  * @dev: associated &net_device
1057  * @ptype: the &packet_type structure which was used to register this handler.
1058  * @orig_dev: original receive &net_device, in case @ dev is a bond.
1059  *
1060  * Returns: 0 for success
1061  */
1062 static int bnx2fc_fip_recv(struct sk_buff *skb, struct net_device *dev,
1063                            struct packet_type *ptype,
1064                            struct net_device *orig_dev)
1065 {
1066         struct bnx2fc_interface *interface;
1067         struct fcoe_ctlr *ctlr;
1068         interface = container_of(ptype, struct bnx2fc_interface,
1069                                  fip_packet_type);
1070         ctlr = bnx2fc_to_ctlr(interface);
1071         fcoe_ctlr_recv(ctlr, skb);
1072         return 0;
1073 }
1074
1075 /**
1076  * bnx2fc_update_src_mac - Update Ethernet MAC filters.
1077  *
1078  * @lport: The local port
1079  * @addr: Location of data to copy
1080  *
1081  * Remove any previously-set unicast MAC filter.
1082  * Add secondary FCoE MAC address filter for our OUI.
1083  */
1084 static void bnx2fc_update_src_mac(struct fc_lport *lport, u8 *addr)
1085 {
1086         struct fcoe_port *port = lport_priv(lport);
1087
1088         memcpy(port->data_src_addr, addr, ETH_ALEN);
1089 }
1090
1091 /**
1092  * bnx2fc_get_src_mac - return the ethernet source address for an lport
1093  *
1094  * @lport: libfc port
1095  */
1096 static u8 *bnx2fc_get_src_mac(struct fc_lport *lport)
1097 {
1098         struct fcoe_port *port;
1099
1100         port = (struct fcoe_port *)lport_priv(lport);
1101         return port->data_src_addr;
1102 }
1103
1104 /**
1105  * bnx2fc_fip_send - send an Ethernet-encapsulated FIP frame.
1106  *
1107  * @fip: FCoE controller.
1108  * @skb: FIP Packet.
1109  */
1110 static void bnx2fc_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
1111 {
1112         struct fip_header *fiph;
1113         struct ethhdr *eth_hdr;
1114         u16 op;
1115         u8 sub;
1116
1117         fiph = (struct fip_header *) ((void *)skb->data + 2 * ETH_ALEN + 2);
1118         eth_hdr = (struct ethhdr *)skb_mac_header(skb);
1119         op = ntohs(fiph->fip_op);
1120         sub = fiph->fip_subcode;
1121
1122         if (op == FIP_OP_CTRL && sub == FIP_SC_SOL && bnx2fc_log_fka)
1123                 BNX2FC_MISC_DBG("Sending FKA from %pM to %pM.\n",
1124                     eth_hdr->h_source, eth_hdr->h_dest);
1125
1126         skb->dev = bnx2fc_from_ctlr(fip)->netdev;
1127         dev_queue_xmit(skb);
1128 }
1129
1130 static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled)
1131 {
1132         struct Scsi_Host *shost = vport_to_shost(vport);
1133         struct fc_lport *n_port = shost_priv(shost);
1134         struct fcoe_port *port = lport_priv(n_port);
1135         struct bnx2fc_interface *interface = port->priv;
1136         struct net_device *netdev = interface->netdev;
1137         struct fc_lport *vn_port;
1138         int rc;
1139         char buf[32];
1140
1141         rc = fcoe_validate_vport_create(vport);
1142         if (rc) {
1143                 fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
1144                 printk(KERN_ERR PFX "Failed to create vport, "
1145                        "WWPN (0x%s) already exists\n",
1146                        buf);
1147                 return rc;
1148         }
1149
1150         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {
1151                 printk(KERN_ERR PFX "vn ports cannot be created on"
1152                         "this interface\n");
1153                 return -EIO;
1154         }
1155         rtnl_lock();
1156         mutex_lock(&bnx2fc_dev_lock);
1157         vn_port = bnx2fc_if_create(interface, &vport->dev, 1);
1158         mutex_unlock(&bnx2fc_dev_lock);
1159         rtnl_unlock();
1160
1161         if (!vn_port) {
1162                 printk(KERN_ERR PFX "bnx2fc_vport_create (%s) failed\n",
1163                         netdev->name);
1164                 return -EIO;
1165         }
1166
1167         if (bnx2fc_devloss_tmo)
1168                 fc_host_dev_loss_tmo(vn_port->host) = bnx2fc_devloss_tmo;
1169
1170         if (disabled) {
1171                 fc_vport_set_state(vport, FC_VPORT_DISABLED);
1172         } else {
1173                 vn_port->boot_time = jiffies;
1174                 fc_lport_init(vn_port);
1175                 fc_fabric_login(vn_port);
1176                 fc_vport_setlink(vn_port);
1177         }
1178         return 0;
1179 }
1180
1181 static void bnx2fc_free_vport(struct bnx2fc_hba *hba, struct fc_lport *lport)
1182 {
1183         struct bnx2fc_lport *blport, *tmp;
1184
1185         spin_lock_bh(&hba->hba_lock);
1186         list_for_each_entry_safe(blport, tmp, &hba->vports, list) {
1187                 if (blport->lport == lport) {
1188                         list_del(&blport->list);
1189                         kfree(blport);
1190                 }
1191         }
1192         spin_unlock_bh(&hba->hba_lock);
1193 }
1194
1195 static int bnx2fc_vport_destroy(struct fc_vport *vport)
1196 {
1197         struct Scsi_Host *shost = vport_to_shost(vport);
1198         struct fc_lport *n_port = shost_priv(shost);
1199         struct fc_lport *vn_port = vport->dd_data;
1200         struct fcoe_port *port = lport_priv(vn_port);
1201         struct bnx2fc_interface *interface = port->priv;
1202         struct fc_lport *v_port;
1203         bool found = false;
1204
1205         mutex_lock(&n_port->lp_mutex);
1206         list_for_each_entry(v_port, &n_port->vports, list)
1207                 if (v_port->vport == vport) {
1208                         found = true;
1209                         break;
1210                 }
1211
1212         if (!found) {
1213                 mutex_unlock(&n_port->lp_mutex);
1214                 return -ENOENT;
1215         }
1216         list_del(&vn_port->list);
1217         mutex_unlock(&n_port->lp_mutex);
1218         bnx2fc_free_vport(interface->hba, port->lport);
1219         bnx2fc_port_shutdown(port->lport);
1220         bnx2fc_port_destroy(port);
1221         bnx2fc_interface_put(interface);
1222         return 0;
1223 }
1224
1225 static int bnx2fc_vport_disable(struct fc_vport *vport, bool disable)
1226 {
1227         struct fc_lport *lport = vport->dd_data;
1228
1229         if (disable) {
1230                 fc_vport_set_state(vport, FC_VPORT_DISABLED);
1231                 fc_fabric_logoff(lport);
1232         } else {
1233                 lport->boot_time = jiffies;
1234                 fc_fabric_login(lport);
1235                 fc_vport_setlink(lport);
1236         }
1237         return 0;
1238 }
1239
1240
1241 static int bnx2fc_interface_setup(struct bnx2fc_interface *interface)
1242 {
1243         struct net_device *netdev = interface->netdev;
1244         struct net_device *physdev = interface->hba->phys_dev;
1245         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1246         struct netdev_hw_addr *ha;
1247         int sel_san_mac = 0;
1248
1249         /* setup Source MAC Address */
1250         rcu_read_lock();
1251         for_each_dev_addr(physdev, ha) {
1252                 BNX2FC_MISC_DBG("net_config: ha->type = %d, fip_mac = ",
1253                                 ha->type);
1254                 printk(KERN_INFO "%2x:%2x:%2x:%2x:%2x:%2x\n", ha->addr[0],
1255                                 ha->addr[1], ha->addr[2], ha->addr[3],
1256                                 ha->addr[4], ha->addr[5]);
1257
1258                 if ((ha->type == NETDEV_HW_ADDR_T_SAN) &&
1259                     (is_valid_ether_addr(ha->addr))) {
1260                         memcpy(ctlr->ctl_src_addr, ha->addr,
1261                                ETH_ALEN);
1262                         sel_san_mac = 1;
1263                         BNX2FC_MISC_DBG("Found SAN MAC\n");
1264                 }
1265         }
1266         rcu_read_unlock();
1267
1268         if (!sel_san_mac)
1269                 return -ENODEV;
1270
1271         interface->fip_packet_type.func = bnx2fc_fip_recv;
1272         interface->fip_packet_type.type = htons(ETH_P_FIP);
1273         interface->fip_packet_type.dev = netdev;
1274         dev_add_pack(&interface->fip_packet_type);
1275
1276         interface->fcoe_packet_type.func = bnx2fc_rcv;
1277         interface->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE);
1278         interface->fcoe_packet_type.dev = netdev;
1279         dev_add_pack(&interface->fcoe_packet_type);
1280
1281         return 0;
1282 }
1283
1284 static int bnx2fc_attach_transport(void)
1285 {
1286         bnx2fc_transport_template =
1287                 fc_attach_transport(&bnx2fc_transport_function);
1288
1289         if (bnx2fc_transport_template == NULL) {
1290                 printk(KERN_ERR PFX "Failed to attach FC transport\n");
1291                 return -ENODEV;
1292         }
1293
1294         bnx2fc_vport_xport_template =
1295                 fc_attach_transport(&bnx2fc_vport_xport_function);
1296         if (bnx2fc_vport_xport_template == NULL) {
1297                 printk(KERN_ERR PFX
1298                        "Failed to attach FC transport for vport\n");
1299                 fc_release_transport(bnx2fc_transport_template);
1300                 bnx2fc_transport_template = NULL;
1301                 return -ENODEV;
1302         }
1303         return 0;
1304 }
1305 static void bnx2fc_release_transport(void)
1306 {
1307         fc_release_transport(bnx2fc_transport_template);
1308         fc_release_transport(bnx2fc_vport_xport_template);
1309         bnx2fc_transport_template = NULL;
1310         bnx2fc_vport_xport_template = NULL;
1311 }
1312
1313 static void bnx2fc_interface_release(struct kref *kref)
1314 {
1315         struct fcoe_ctlr_device *ctlr_dev;
1316         struct bnx2fc_interface *interface;
1317         struct fcoe_ctlr *ctlr;
1318         struct net_device *netdev;
1319
1320         interface = container_of(kref, struct bnx2fc_interface, kref);
1321         BNX2FC_MISC_DBG("Interface is being released\n");
1322
1323         ctlr = bnx2fc_to_ctlr(interface);
1324         ctlr_dev = fcoe_ctlr_to_ctlr_dev(ctlr);
1325         netdev = interface->netdev;
1326
1327         /* tear-down FIP controller */
1328         if (test_and_clear_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags))
1329                 fcoe_ctlr_destroy(ctlr);
1330
1331         fcoe_ctlr_device_delete(ctlr_dev);
1332
1333         dev_put(netdev);
1334         module_put(THIS_MODULE);
1335 }
1336
1337 static inline void bnx2fc_interface_get(struct bnx2fc_interface *interface)
1338 {
1339         kref_get(&interface->kref);
1340 }
1341
1342 static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface)
1343 {
1344         kref_put(&interface->kref, bnx2fc_interface_release);
1345 }
1346 static void bnx2fc_hba_destroy(struct bnx2fc_hba *hba)
1347 {
1348         /* Free the command manager */
1349         if (hba->cmd_mgr) {
1350                 bnx2fc_cmd_mgr_free(hba->cmd_mgr);
1351                 hba->cmd_mgr = NULL;
1352         }
1353         kfree(hba->tgt_ofld_list);
1354         bnx2fc_unbind_pcidev(hba);
1355         kfree(hba);
1356 }
1357
1358 /**
1359  * bnx2fc_hba_create - create a new bnx2fc hba
1360  *
1361  * @cnic:       pointer to cnic device
1362  *
1363  * Creates a new FCoE hba on the given device.
1364  *
1365  */
1366 static struct bnx2fc_hba *bnx2fc_hba_create(struct cnic_dev *cnic)
1367 {
1368         struct bnx2fc_hba *hba;
1369         struct fcoe_capabilities *fcoe_cap;
1370         int rc;
1371
1372         hba = kzalloc(sizeof(*hba), GFP_KERNEL);
1373         if (!hba) {
1374                 printk(KERN_ERR PFX "Unable to allocate hba structure\n");
1375                 return NULL;
1376         }
1377         spin_lock_init(&hba->hba_lock);
1378         mutex_init(&hba->hba_mutex);
1379         mutex_init(&hba->hba_stats_mutex);
1380
1381         hba->cnic = cnic;
1382
1383         hba->max_tasks = cnic->max_fcoe_exchanges;
1384         hba->elstm_xids = (hba->max_tasks / 2);
1385         hba->max_outstanding_cmds = hba->elstm_xids;
1386         hba->max_xid = (hba->max_tasks - 1);
1387
1388         rc = bnx2fc_bind_pcidev(hba);
1389         if (rc) {
1390                 printk(KERN_ERR PFX "create_adapter:  bind error\n");
1391                 goto bind_err;
1392         }
1393         hba->phys_dev = cnic->netdev;
1394         hba->next_conn_id = 0;
1395
1396         hba->tgt_ofld_list =
1397                 kcalloc(BNX2FC_NUM_MAX_SESS, sizeof(struct bnx2fc_rport *),
1398                         GFP_KERNEL);
1399         if (!hba->tgt_ofld_list) {
1400                 printk(KERN_ERR PFX "Unable to allocate tgt offload list\n");
1401                 goto tgtofld_err;
1402         }
1403
1404         hba->num_ofld_sess = 0;
1405
1406         hba->cmd_mgr = bnx2fc_cmd_mgr_alloc(hba);
1407         if (!hba->cmd_mgr) {
1408                 printk(KERN_ERR PFX "em_config:bnx2fc_cmd_mgr_alloc failed\n");
1409                 goto cmgr_err;
1410         }
1411         fcoe_cap = &hba->fcoe_cap;
1412
1413         fcoe_cap->capability1 = BNX2FC_TM_MAX_SQES <<
1414                                         FCOE_IOS_PER_CONNECTION_SHIFT;
1415         fcoe_cap->capability1 |= BNX2FC_NUM_MAX_SESS <<
1416                                         FCOE_LOGINS_PER_PORT_SHIFT;
1417         fcoe_cap->capability2 = hba->max_outstanding_cmds <<
1418                                         FCOE_NUMBER_OF_EXCHANGES_SHIFT;
1419         fcoe_cap->capability2 |= BNX2FC_MAX_NPIV <<
1420                                         FCOE_NPIV_WWN_PER_PORT_SHIFT;
1421         fcoe_cap->capability3 = BNX2FC_NUM_MAX_SESS <<
1422                                         FCOE_TARGETS_SUPPORTED_SHIFT;
1423         fcoe_cap->capability3 |= hba->max_outstanding_cmds <<
1424                                         FCOE_OUTSTANDING_COMMANDS_SHIFT;
1425         fcoe_cap->capability4 = FCOE_CAPABILITY4_STATEFUL;
1426
1427         init_waitqueue_head(&hba->shutdown_wait);
1428         init_waitqueue_head(&hba->destroy_wait);
1429         INIT_LIST_HEAD(&hba->vports);
1430
1431         return hba;
1432
1433 cmgr_err:
1434         kfree(hba->tgt_ofld_list);
1435 tgtofld_err:
1436         bnx2fc_unbind_pcidev(hba);
1437 bind_err:
1438         kfree(hba);
1439         return NULL;
1440 }
1441
1442 static struct bnx2fc_interface *
1443 bnx2fc_interface_create(struct bnx2fc_hba *hba,
1444                         struct net_device *netdev,
1445                         enum fip_mode fip_mode)
1446 {
1447         struct fcoe_ctlr_device *ctlr_dev;
1448         struct bnx2fc_interface *interface;
1449         struct fcoe_ctlr *ctlr;
1450         int size;
1451         int rc = 0;
1452
1453         size = (sizeof(*interface) + sizeof(struct fcoe_ctlr));
1454         ctlr_dev = fcoe_ctlr_device_add(&netdev->dev, &bnx2fc_fcoe_sysfs_templ,
1455                                          size);
1456         if (!ctlr_dev) {
1457                 printk(KERN_ERR PFX "Unable to allocate interface structure\n");
1458                 return NULL;
1459         }
1460         ctlr = fcoe_ctlr_device_priv(ctlr_dev);
1461         ctlr->cdev = ctlr_dev;
1462         interface = fcoe_ctlr_priv(ctlr);
1463         dev_hold(netdev);
1464         kref_init(&interface->kref);
1465         interface->hba = hba;
1466         interface->netdev = netdev;
1467
1468         /* Initialize FIP */
1469         fcoe_ctlr_init(ctlr, fip_mode);
1470         ctlr->send = bnx2fc_fip_send;
1471         ctlr->update_mac = bnx2fc_update_src_mac;
1472         ctlr->get_src_addr = bnx2fc_get_src_mac;
1473         set_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags);
1474
1475         rc = bnx2fc_interface_setup(interface);
1476         if (!rc)
1477                 return interface;
1478
1479         fcoe_ctlr_destroy(ctlr);
1480         dev_put(netdev);
1481         fcoe_ctlr_device_delete(ctlr_dev);
1482         return NULL;
1483 }
1484
1485 /**
1486  * bnx2fc_if_create - Create FCoE instance on a given interface
1487  *
1488  * @interface:  FCoE interface to create a local port on
1489  * @parent:     Device pointer to be the parent in sysfs for the SCSI host
1490  * @npiv:       Indicates if the port is vport or not
1491  *
1492  * Creates a fc_lport instance and a Scsi_Host instance and configure them.
1493  *
1494  * Returns:     Allocated fc_lport or an error pointer
1495  */
1496 static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
1497                                   struct device *parent, int npiv)
1498 {
1499         struct fcoe_ctlr        *ctlr = bnx2fc_to_ctlr(interface);
1500         struct fc_lport         *lport, *n_port;
1501         struct fcoe_port        *port;
1502         struct Scsi_Host        *shost;
1503         struct fc_vport         *vport = dev_to_vport(parent);
1504         struct bnx2fc_lport     *blport;
1505         struct bnx2fc_hba       *hba = interface->hba;
1506         int                     rc = 0;
1507
1508         blport = kzalloc(sizeof(struct bnx2fc_lport), GFP_KERNEL);
1509         if (!blport) {
1510                 BNX2FC_HBA_DBG(ctlr->lp, "Unable to alloc blport\n");
1511                 return NULL;
1512         }
1513
1514         /* Allocate Scsi_Host structure */
1515         bnx2fc_shost_template.can_queue = hba->max_outstanding_cmds;
1516         if (!npiv)
1517                 lport = libfc_host_alloc(&bnx2fc_shost_template, sizeof(*port));
1518         else
1519                 lport = libfc_vport_create(vport, sizeof(*port));
1520
1521         if (!lport) {
1522                 printk(KERN_ERR PFX "could not allocate scsi host structure\n");
1523                 goto free_blport;
1524         }
1525         shost = lport->host;
1526         port = lport_priv(lport);
1527         port->lport = lport;
1528         port->priv = interface;
1529         port->get_netdev = bnx2fc_netdev;
1530
1531         /* Configure fcoe_port */
1532         rc = bnx2fc_lport_config(lport);
1533         if (rc)
1534                 goto lp_config_err;
1535
1536         if (npiv) {
1537                 printk(KERN_ERR PFX "Setting vport names, 0x%llX 0x%llX\n",
1538                         vport->node_name, vport->port_name);
1539                 fc_set_wwnn(lport, vport->node_name);
1540                 fc_set_wwpn(lport, vport->port_name);
1541         }
1542         /* Configure netdev and networking properties of the lport */
1543         rc = bnx2fc_net_config(lport, interface->netdev);
1544         if (rc) {
1545                 printk(KERN_ERR PFX "Error on bnx2fc_net_config\n");
1546                 goto lp_config_err;
1547         }
1548
1549         rc = bnx2fc_shost_config(lport, parent);
1550         if (rc) {
1551                 printk(KERN_ERR PFX "Couldn't configure shost for %s\n",
1552                         interface->netdev->name);
1553                 goto lp_config_err;
1554         }
1555
1556         /* Initialize the libfc library */
1557         rc = bnx2fc_libfc_config(lport);
1558         if (rc) {
1559                 printk(KERN_ERR PFX "Couldn't configure libfc\n");
1560                 goto shost_err;
1561         }
1562         fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
1563
1564         if (bnx2fc_devloss_tmo)
1565                 fc_host_dev_loss_tmo(shost) = bnx2fc_devloss_tmo;
1566
1567         /* Allocate exchange manager */
1568         if (!npiv)
1569                 rc = bnx2fc_em_config(lport, hba);
1570         else {
1571                 shost = vport_to_shost(vport);
1572                 n_port = shost_priv(shost);
1573                 rc = fc_exch_mgr_list_clone(n_port, lport);
1574         }
1575
1576         if (rc) {
1577                 printk(KERN_ERR PFX "Error on bnx2fc_em_config\n");
1578                 goto shost_err;
1579         }
1580
1581         bnx2fc_interface_get(interface);
1582
1583         spin_lock_bh(&hba->hba_lock);
1584         blport->lport = lport;
1585         list_add_tail(&blport->list, &hba->vports);
1586         spin_unlock_bh(&hba->hba_lock);
1587
1588         return lport;
1589
1590 shost_err:
1591         scsi_remove_host(shost);
1592 lp_config_err:
1593         scsi_host_put(lport->host);
1594 free_blport:
1595         kfree(blport);
1596         return NULL;
1597 }
1598
1599 static void bnx2fc_net_cleanup(struct bnx2fc_interface *interface)
1600 {
1601         /* Dont listen for Ethernet packets anymore */
1602         __dev_remove_pack(&interface->fcoe_packet_type);
1603         __dev_remove_pack(&interface->fip_packet_type);
1604         synchronize_net();
1605 }
1606
1607 static void bnx2fc_interface_cleanup(struct bnx2fc_interface *interface)
1608 {
1609         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1610         struct fc_lport *lport = ctlr->lp;
1611         struct fcoe_port *port = lport_priv(lport);
1612         struct bnx2fc_hba *hba = interface->hba;
1613
1614         /* Stop the transmit retry timer */
1615         del_timer_sync(&port->timer);
1616
1617         /* Free existing transmit skbs */
1618         fcoe_clean_pending_queue(lport);
1619
1620         bnx2fc_net_cleanup(interface);
1621
1622         bnx2fc_free_vport(hba, lport);
1623 }
1624
1625 static void bnx2fc_if_destroy(struct fc_lport *lport)
1626 {
1627
1628         /* Free queued packets for the receive thread */
1629         bnx2fc_clean_rx_queue(lport);
1630
1631         /* Detach from scsi-ml */
1632         fc_remove_host(lport->host);
1633         scsi_remove_host(lport->host);
1634
1635         /*
1636          * Note that only the physical lport will have the exchange manager.
1637          * for vports, this function is NOP
1638          */
1639         fc_exch_mgr_free(lport);
1640
1641         /* Free memory used by statistical counters */
1642         fc_lport_free_stats(lport);
1643
1644         /* Release Scsi_Host */
1645         scsi_host_put(lport->host);
1646 }
1647
1648 static void __bnx2fc_destroy(struct bnx2fc_interface *interface)
1649 {
1650         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1651         struct fc_lport *lport = ctlr->lp;
1652         struct fcoe_port *port = lport_priv(lport);
1653
1654         bnx2fc_interface_cleanup(interface);
1655         bnx2fc_stop(interface);
1656         list_del(&interface->list);
1657         bnx2fc_port_destroy(port);
1658         bnx2fc_interface_put(interface);
1659 }
1660
1661 /**
1662  * bnx2fc_destroy - Destroy a bnx2fc FCoE interface
1663  *
1664  * @netdev: The net device that the FCoE interface is on
1665  *
1666  * Called from sysfs.
1667  *
1668  * Returns: 0 for success
1669  */
1670 static int bnx2fc_destroy(struct net_device *netdev)
1671 {
1672         struct bnx2fc_interface *interface = NULL;
1673         struct workqueue_struct *timer_work_queue;
1674         struct fcoe_ctlr *ctlr;
1675         int rc = 0;
1676
1677         rtnl_lock();
1678         mutex_lock(&bnx2fc_dev_lock);
1679
1680         interface = bnx2fc_interface_lookup(netdev);
1681         ctlr = bnx2fc_to_ctlr(interface);
1682         if (!interface || !ctlr->lp) {
1683                 rc = -ENODEV;
1684                 printk(KERN_ERR PFX "bnx2fc_destroy: interface or lport not found\n");
1685                 goto netdev_err;
1686         }
1687
1688         timer_work_queue = interface->timer_work_queue;
1689         __bnx2fc_destroy(interface);
1690         destroy_workqueue(timer_work_queue);
1691
1692 netdev_err:
1693         mutex_unlock(&bnx2fc_dev_lock);
1694         rtnl_unlock();
1695         return rc;
1696 }
1697
1698 static void bnx2fc_port_destroy(struct fcoe_port *port)
1699 {
1700         struct fc_lport *lport;
1701
1702         lport = port->lport;
1703         BNX2FC_HBA_DBG(lport, "Entered %s, destroying lport %p\n", __func__, lport);
1704
1705         bnx2fc_if_destroy(lport);
1706 }
1707
1708 static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba)
1709 {
1710         bnx2fc_free_fw_resc(hba);
1711         bnx2fc_free_task_ctx(hba);
1712 }
1713
1714 /**
1715  * bnx2fc_bind_adapter_devices - binds bnx2fc adapter with the associated
1716  *                      pci structure
1717  *
1718  * @hba:                Adapter instance
1719  */
1720 static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba)
1721 {
1722         if (bnx2fc_setup_task_ctx(hba))
1723                 goto mem_err;
1724
1725         if (bnx2fc_setup_fw_resc(hba))
1726                 goto mem_err;
1727
1728         return 0;
1729 mem_err:
1730         bnx2fc_unbind_adapter_devices(hba);
1731         return -ENOMEM;
1732 }
1733
1734 static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba)
1735 {
1736         struct cnic_dev *cnic;
1737         struct pci_dev *pdev;
1738
1739         if (!hba->cnic) {
1740                 printk(KERN_ERR PFX "cnic is NULL\n");
1741                 return -ENODEV;
1742         }
1743         cnic = hba->cnic;
1744         pdev = hba->pcidev = cnic->pcidev;
1745         if (!hba->pcidev)
1746                 return -ENODEV;
1747
1748         switch (pdev->device) {
1749         case PCI_DEVICE_ID_NX2_57710:
1750                 strncpy(hba->chip_num, "BCM57710", BCM_CHIP_LEN);
1751                 break;
1752         case PCI_DEVICE_ID_NX2_57711:
1753                 strncpy(hba->chip_num, "BCM57711", BCM_CHIP_LEN);
1754                 break;
1755         case PCI_DEVICE_ID_NX2_57712:
1756         case PCI_DEVICE_ID_NX2_57712_MF:
1757         case PCI_DEVICE_ID_NX2_57712_VF:
1758                 strncpy(hba->chip_num, "BCM57712", BCM_CHIP_LEN);
1759                 break;
1760         case PCI_DEVICE_ID_NX2_57800:
1761         case PCI_DEVICE_ID_NX2_57800_MF:
1762         case PCI_DEVICE_ID_NX2_57800_VF:
1763                 strncpy(hba->chip_num, "BCM57800", BCM_CHIP_LEN);
1764                 break;
1765         case PCI_DEVICE_ID_NX2_57810:
1766         case PCI_DEVICE_ID_NX2_57810_MF:
1767         case PCI_DEVICE_ID_NX2_57810_VF:
1768                 strncpy(hba->chip_num, "BCM57810", BCM_CHIP_LEN);
1769                 break;
1770         case PCI_DEVICE_ID_NX2_57840:
1771         case PCI_DEVICE_ID_NX2_57840_MF:
1772         case PCI_DEVICE_ID_NX2_57840_VF:
1773         case PCI_DEVICE_ID_NX2_57840_2_20:
1774         case PCI_DEVICE_ID_NX2_57840_4_10:
1775                 strncpy(hba->chip_num, "BCM57840", BCM_CHIP_LEN);
1776                 break;
1777         default:
1778                 pr_err(PFX "Unknown device id 0x%x\n", pdev->device);
1779                 break;
1780         }
1781         pci_dev_get(hba->pcidev);
1782         return 0;
1783 }
1784
1785 static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba)
1786 {
1787         if (hba->pcidev) {
1788                 hba->chip_num[0] = '\0';
1789                 pci_dev_put(hba->pcidev);
1790         }
1791         hba->pcidev = NULL;
1792 }
1793
1794 /**
1795  * bnx2fc_ulp_get_stats - cnic callback to populate FCoE stats
1796  *
1797  * @handle:    transport handle pointing to adapter structure
1798  */
1799 static int bnx2fc_ulp_get_stats(void *handle)
1800 {
1801         struct bnx2fc_hba *hba = handle;
1802         struct cnic_dev *cnic;
1803         struct fcoe_stats_info *stats_addr;
1804
1805         if (!hba)
1806                 return -EINVAL;
1807
1808         cnic = hba->cnic;
1809         stats_addr = &cnic->stats_addr->fcoe_stat;
1810         if (!stats_addr)
1811                 return -EINVAL;
1812
1813         strncpy(stats_addr->version, BNX2FC_VERSION,
1814                 sizeof(stats_addr->version));
1815         stats_addr->txq_size = BNX2FC_SQ_WQES_MAX;
1816         stats_addr->rxq_size = BNX2FC_CQ_WQES_MAX;
1817
1818         return 0;
1819 }
1820
1821
1822 /**
1823  * bnx2fc_ulp_start - cnic callback to initialize & start adapter instance
1824  *
1825  * @handle:     transport handle pointing to adapter structure
1826  *
1827  * This function maps adapter structure to pcidev structure and initiates
1828  *      firmware handshake to enable/initialize on-chip FCoE components.
1829  *      This bnx2fc - cnic interface api callback is used after following
1830  *      conditions are met -
1831  *      a) underlying network interface is up (marked by event NETDEV_UP
1832  *              from netdev
1833  *      b) bnx2fc adatper structure is registered.
1834  */
1835 static void bnx2fc_ulp_start(void *handle)
1836 {
1837         struct bnx2fc_hba *hba = handle;
1838         struct bnx2fc_interface *interface;
1839         struct fcoe_ctlr *ctlr;
1840         struct fc_lport *lport;
1841
1842         mutex_lock(&bnx2fc_dev_lock);
1843
1844         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags))
1845                 bnx2fc_fw_init(hba);
1846
1847         BNX2FC_MISC_DBG("bnx2fc started.\n");
1848
1849         list_for_each_entry(interface, &if_list, list) {
1850                 if (interface->hba == hba) {
1851                         ctlr = bnx2fc_to_ctlr(interface);
1852                         lport = ctlr->lp;
1853                         /* Kick off Fabric discovery*/
1854                         printk(KERN_ERR PFX "ulp_init: start discovery\n");
1855                         lport->tt.frame_send = bnx2fc_xmit;
1856                         bnx2fc_start_disc(interface);
1857                 }
1858         }
1859
1860         mutex_unlock(&bnx2fc_dev_lock);
1861 }
1862
1863 static void bnx2fc_port_shutdown(struct fc_lport *lport)
1864 {
1865         BNX2FC_MISC_DBG("Entered %s\n", __func__);
1866         fc_fabric_logoff(lport);
1867         fc_lport_destroy(lport);
1868 }
1869
1870 static void bnx2fc_stop(struct bnx2fc_interface *interface)
1871 {
1872         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
1873         struct fc_lport *lport;
1874         struct fc_lport *vport;
1875
1876         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags))
1877                 return;
1878
1879         lport = ctlr->lp;
1880         bnx2fc_port_shutdown(lport);
1881
1882         mutex_lock(&lport->lp_mutex);
1883         list_for_each_entry(vport, &lport->vports, list)
1884                 fc_host_port_type(vport->host) =
1885                                         FC_PORTTYPE_UNKNOWN;
1886         mutex_unlock(&lport->lp_mutex);
1887         fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
1888         fcoe_ctlr_link_down(ctlr);
1889         fcoe_clean_pending_queue(lport);
1890 }
1891
1892 static int bnx2fc_fw_init(struct bnx2fc_hba *hba)
1893 {
1894 #define BNX2FC_INIT_POLL_TIME           (1000 / HZ)
1895         int rc = -1;
1896         int i = HZ;
1897
1898         rc = bnx2fc_bind_adapter_devices(hba);
1899         if (rc) {
1900                 printk(KERN_ALERT PFX
1901                         "bnx2fc_bind_adapter_devices failed - rc = %d\n", rc);
1902                 goto err_out;
1903         }
1904
1905         rc = bnx2fc_send_fw_fcoe_init_msg(hba);
1906         if (rc) {
1907                 printk(KERN_ALERT PFX
1908                         "bnx2fc_send_fw_fcoe_init_msg failed - rc = %d\n", rc);
1909                 goto err_unbind;
1910         }
1911
1912         /*
1913          * Wait until the adapter init message is complete, and adapter
1914          * state is UP.
1915          */
1916         while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && i--)
1917                 msleep(BNX2FC_INIT_POLL_TIME);
1918
1919         if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state)) {
1920                 printk(KERN_ERR PFX "bnx2fc_start: %s failed to initialize.  "
1921                                 "Ignoring...\n",
1922                                 hba->cnic->netdev->name);
1923                 rc = -1;
1924                 goto err_unbind;
1925         }
1926
1927
1928         set_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags);
1929         return 0;
1930
1931 err_unbind:
1932         bnx2fc_unbind_adapter_devices(hba);
1933 err_out:
1934         return rc;
1935 }
1936
1937 static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba)
1938 {
1939         if (test_and_clear_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) {
1940                 if (bnx2fc_send_fw_fcoe_destroy_msg(hba) == 0) {
1941                         timer_setup(&hba->destroy_timer, bnx2fc_destroy_timer,
1942                                     0);
1943                         hba->destroy_timer.expires = BNX2FC_FW_TIMEOUT +
1944                                                                 jiffies;
1945                         add_timer(&hba->destroy_timer);
1946                         wait_event_interruptible(hba->destroy_wait,
1947                                         test_bit(BNX2FC_FLAG_DESTROY_CMPL,
1948                                                  &hba->flags));
1949                         clear_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags);
1950                         /* This should never happen */
1951                         if (signal_pending(current))
1952                                 flush_signals(current);
1953
1954                         del_timer_sync(&hba->destroy_timer);
1955                 }
1956                 bnx2fc_unbind_adapter_devices(hba);
1957         }
1958 }
1959
1960 /**
1961  * bnx2fc_ulp_stop - cnic callback to shutdown adapter instance
1962  *
1963  * @handle:     transport handle pointing to adapter structure
1964  *
1965  * Driver checks if adapter is already in shutdown mode, if not start
1966  *      the shutdown process.
1967  */
1968 static void bnx2fc_ulp_stop(void *handle)
1969 {
1970         struct bnx2fc_hba *hba = handle;
1971         struct bnx2fc_interface *interface;
1972
1973         printk(KERN_ERR "ULP_STOP\n");
1974
1975         mutex_lock(&bnx2fc_dev_lock);
1976         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags))
1977                 goto exit;
1978         list_for_each_entry(interface, &if_list, list) {
1979                 if (interface->hba == hba)
1980                         bnx2fc_stop(interface);
1981         }
1982         BUG_ON(hba->num_ofld_sess != 0);
1983
1984         mutex_lock(&hba->hba_mutex);
1985         clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
1986         clear_bit(ADAPTER_STATE_GOING_DOWN,
1987                   &hba->adapter_state);
1988
1989         clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
1990         mutex_unlock(&hba->hba_mutex);
1991
1992         bnx2fc_fw_destroy(hba);
1993 exit:
1994         mutex_unlock(&bnx2fc_dev_lock);
1995 }
1996
1997 static void bnx2fc_start_disc(struct bnx2fc_interface *interface)
1998 {
1999         struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface);
2000         struct fc_lport *lport;
2001         int wait_cnt = 0;
2002
2003         BNX2FC_MISC_DBG("Entered %s\n", __func__);
2004         /* Kick off FIP/FLOGI */
2005         if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {
2006                 printk(KERN_ERR PFX "Init not done yet\n");
2007                 return;
2008         }
2009
2010         lport = ctlr->lp;
2011         BNX2FC_HBA_DBG(lport, "calling fc_fabric_login\n");
2012
2013         if (!bnx2fc_link_ok(lport) && interface->enabled) {
2014                 BNX2FC_HBA_DBG(lport, "ctlr_link_up\n");
2015                 fcoe_ctlr_link_up(ctlr);
2016                 fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
2017                 set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state);
2018         }
2019
2020         /* wait for the FCF to be selected before issuing FLOGI */
2021         while (!ctlr->sel_fcf) {
2022                 msleep(250);
2023                 /* give up after 3 secs */
2024                 if (++wait_cnt > 12)
2025                         break;
2026         }
2027
2028         /* Reset max receive frame size to default */
2029         if (fc_set_mfs(lport, BNX2FC_MFS))
2030                 return;
2031
2032         fc_lport_init(lport);
2033         fc_fabric_login(lport);
2034 }
2035
2036
2037 /**
2038  * bnx2fc_ulp_init - Initialize an adapter instance
2039  *
2040  * @dev :       cnic device handle
2041  * Called from cnic_register_driver() context to initialize all
2042  *      enumerated cnic devices. This routine allocates adapter structure
2043  *      and other device specific resources.
2044  */
2045 static void bnx2fc_ulp_init(struct cnic_dev *dev)
2046 {
2047         struct bnx2fc_hba *hba;
2048         int rc = 0;
2049
2050         BNX2FC_MISC_DBG("Entered %s\n", __func__);
2051         /* bnx2fc works only when bnx2x is loaded */
2052         if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags) ||
2053             (dev->max_fcoe_conn == 0)) {
2054                 printk(KERN_ERR PFX "bnx2fc FCoE not supported on %s,"
2055                                     " flags: %lx fcoe_conn: %d\n",
2056                         dev->netdev->name, dev->flags, dev->max_fcoe_conn);
2057                 return;
2058         }
2059
2060         hba = bnx2fc_hba_create(dev);
2061         if (!hba) {
2062                 printk(KERN_ERR PFX "hba initialization failed\n");
2063                 return;
2064         }
2065
2066         pr_info(PFX "FCoE initialized for %s.\n", dev->netdev->name);
2067
2068         /* Add HBA to the adapter list */
2069         mutex_lock(&bnx2fc_dev_lock);
2070         list_add_tail(&hba->list, &adapter_list);
2071         adapter_count++;
2072         mutex_unlock(&bnx2fc_dev_lock);
2073
2074         dev->fcoe_cap = &hba->fcoe_cap;
2075         clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic);
2076         rc = dev->register_device(dev, CNIC_ULP_FCOE,
2077                                                 (void *) hba);
2078         if (rc)
2079                 printk(KERN_ERR PFX "register_device failed, rc = %d\n", rc);
2080         else
2081                 set_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic);
2082 }
2083
2084 /* Assumes rtnl_lock and the bnx2fc_dev_lock are already taken */
2085 static int __bnx2fc_disable(struct fcoe_ctlr *ctlr)
2086 {
2087         struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr);
2088
2089         if (interface->enabled) {
2090                 if (!ctlr->lp) {
2091                         pr_err(PFX "__bnx2fc_disable: lport not found\n");
2092                         return -ENODEV;
2093                 } else {
2094                         interface->enabled = false;
2095                         fcoe_ctlr_link_down(ctlr);
2096                         fcoe_clean_pending_queue(ctlr->lp);
2097                 }
2098         }
2099         return 0;
2100 }
2101
2102 /*
2103  * Deperecated: Use bnx2fc_enabled()
2104  */
2105 static int bnx2fc_disable(struct net_device *netdev)
2106 {
2107         struct bnx2fc_interface *interface;
2108         struct fcoe_ctlr *ctlr;
2109         int rc = 0;
2110
2111         rtnl_lock();
2112         mutex_lock(&bnx2fc_dev_lock);
2113
2114         interface = bnx2fc_interface_lookup(netdev);
2115         ctlr = bnx2fc_to_ctlr(interface);
2116
2117         if (!interface) {
2118                 rc = -ENODEV;
2119                 pr_err(PFX "bnx2fc_disable: interface not found\n");
2120         } else {
2121                 rc = __bnx2fc_disable(ctlr);
2122         }
2123         mutex_unlock(&bnx2fc_dev_lock);
2124         rtnl_unlock();
2125         return rc;
2126 }
2127
2128 static uint bnx2fc_npiv_create_vports(struct fc_lport *lport,
2129                                       struct cnic_fc_npiv_tbl *npiv_tbl)
2130 {
2131         struct fc_vport_identifiers vpid;
2132         uint i, created = 0;
2133         u64 wwnn = 0;
2134         char wwpn_str[32];
2135         char wwnn_str[32];
2136
2137         if (npiv_tbl->count > MAX_NPIV_ENTRIES) {
2138                 BNX2FC_HBA_DBG(lport, "Exceeded count max of npiv table\n");
2139                 goto done;
2140         }
2141
2142         /* Sanity check the first entry to make sure it's not 0 */
2143         if (wwn_to_u64(npiv_tbl->wwnn[0]) == 0 &&
2144             wwn_to_u64(npiv_tbl->wwpn[0]) == 0) {
2145                 BNX2FC_HBA_DBG(lport, "First NPIV table entries invalid.\n");
2146                 goto done;
2147         }
2148
2149         vpid.roles = FC_PORT_ROLE_FCP_INITIATOR;
2150         vpid.vport_type = FC_PORTTYPE_NPIV;
2151         vpid.disable = false;
2152
2153         for (i = 0; i < npiv_tbl->count; i++) {
2154                 wwnn = wwn_to_u64(npiv_tbl->wwnn[i]);
2155                 if (wwnn == 0) {
2156                         /*
2157                          * If we get a 0 element from for the WWNN then assume
2158                          * the WWNN should be the same as the physical port.
2159                          */
2160                         wwnn = lport->wwnn;
2161                 }
2162                 vpid.node_name = wwnn;
2163                 vpid.port_name = wwn_to_u64(npiv_tbl->wwpn[i]);
2164                 scnprintf(vpid.symbolic_name, sizeof(vpid.symbolic_name),
2165                     "NPIV[%u]:%016llx-%016llx",
2166                     created, vpid.port_name, vpid.node_name);
2167                 fcoe_wwn_to_str(vpid.node_name, wwnn_str, sizeof(wwnn_str));
2168                 fcoe_wwn_to_str(vpid.port_name, wwpn_str, sizeof(wwpn_str));
2169                 BNX2FC_HBA_DBG(lport, "Creating vport %s:%s.\n", wwnn_str,
2170                     wwpn_str);
2171                 if (fc_vport_create(lport->host, 0, &vpid))
2172                         created++;
2173                 else
2174                         BNX2FC_HBA_DBG(lport, "Failed to create vport\n");
2175         }
2176 done:
2177         return created;
2178 }
2179
2180 static int __bnx2fc_enable(struct fcoe_ctlr *ctlr)
2181 {
2182         struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr);
2183         struct bnx2fc_hba *hba;
2184         struct cnic_fc_npiv_tbl *npiv_tbl;
2185         struct fc_lport *lport;
2186
2187         if (!interface->enabled) {
2188                 if (!ctlr->lp) {
2189                         pr_err(PFX "__bnx2fc_enable: lport not found\n");
2190                         return -ENODEV;
2191                 } else if (!bnx2fc_link_ok(ctlr->lp)) {
2192                         fcoe_ctlr_link_up(ctlr);
2193                         interface->enabled = true;
2194                 }
2195         }
2196
2197         /* Create static NPIV ports if any are contained in NVRAM */
2198         hba = interface->hba;
2199         lport = ctlr->lp;
2200
2201         if (!hba)
2202                 goto done;
2203
2204         if (!hba->cnic)
2205                 goto done;
2206
2207         if (!lport)
2208                 goto done;
2209
2210         if (!lport->host)
2211                 goto done;
2212
2213         if (!hba->cnic->get_fc_npiv_tbl)
2214                 goto done;
2215
2216         npiv_tbl = kzalloc(sizeof(struct cnic_fc_npiv_tbl), GFP_KERNEL);
2217         if (!npiv_tbl)
2218                 goto done;
2219
2220         if (hba->cnic->get_fc_npiv_tbl(hba->cnic, npiv_tbl))
2221                 goto done_free;
2222
2223         bnx2fc_npiv_create_vports(lport, npiv_tbl);
2224 done_free:
2225         kfree(npiv_tbl);
2226 done:
2227         return 0;
2228 }
2229
2230 /*
2231  * Deprecated: Use bnx2fc_enabled()
2232  */
2233 static int bnx2fc_enable(struct net_device *netdev)
2234 {
2235         struct bnx2fc_interface *interface;
2236         struct fcoe_ctlr *ctlr;
2237         int rc = 0;
2238
2239         rtnl_lock();
2240         mutex_lock(&bnx2fc_dev_lock);
2241
2242         interface = bnx2fc_interface_lookup(netdev);
2243         ctlr = bnx2fc_to_ctlr(interface);
2244         if (!interface) {
2245                 rc = -ENODEV;
2246                 pr_err(PFX "bnx2fc_enable: interface not found\n");
2247         } else {
2248                 rc = __bnx2fc_enable(ctlr);
2249         }
2250
2251         mutex_unlock(&bnx2fc_dev_lock);
2252         rtnl_unlock();
2253         return rc;
2254 }
2255
2256 /**
2257  * bnx2fc_ctlr_enabled() - Enable or disable an FCoE Controller
2258  * @cdev: The FCoE Controller that is being enabled or disabled
2259  *
2260  * fcoe_sysfs will ensure that the state of 'enabled' has
2261  * changed, so no checking is necessary here. This routine simply
2262  * calls fcoe_enable or fcoe_disable, both of which are deprecated.
2263  * When those routines are removed the functionality can be merged
2264  * here.
2265  */
2266 static int bnx2fc_ctlr_enabled(struct fcoe_ctlr_device *cdev)
2267 {
2268         struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(cdev);
2269
2270         switch (cdev->enabled) {
2271         case FCOE_CTLR_ENABLED:
2272                 return __bnx2fc_enable(ctlr);
2273         case FCOE_CTLR_DISABLED:
2274                 return __bnx2fc_disable(ctlr);
2275         case FCOE_CTLR_UNUSED:
2276         default:
2277                 return -ENOTSUPP;
2278         }
2279 }
2280
2281 enum bnx2fc_create_link_state {
2282         BNX2FC_CREATE_LINK_DOWN,
2283         BNX2FC_CREATE_LINK_UP,
2284 };
2285
2286 /**
2287  * _bnx2fc_create() - Create bnx2fc FCoE interface
2288  * @netdev  :   The net_device object the Ethernet interface to create on
2289  * @fip_mode:   The FIP mode for this creation
2290  * @link_state: The ctlr link state on creation
2291  *
2292  * Called from either the libfcoe 'create' module parameter
2293  * via fcoe_create or from fcoe_syfs's ctlr_create file.
2294  *
2295  * libfcoe's 'create' module parameter is deprecated so some
2296  * consolidation of code can be done when that interface is
2297  * removed.
2298  *
2299  * Returns: 0 for success
2300  */
2301 static int _bnx2fc_create(struct net_device *netdev,
2302                           enum fip_mode fip_mode,
2303                           enum bnx2fc_create_link_state link_state)
2304 {
2305         struct fcoe_ctlr_device *cdev;
2306         struct fcoe_ctlr *ctlr;
2307         struct bnx2fc_interface *interface;
2308         struct bnx2fc_hba *hba;
2309         struct net_device *phys_dev = netdev;
2310         struct fc_lport *lport;
2311         struct ethtool_drvinfo drvinfo;
2312         int rc = 0;
2313         int vlan_id = 0;
2314
2315         BNX2FC_MISC_DBG("Entered bnx2fc_create\n");
2316         if (fip_mode != FIP_MODE_FABRIC) {
2317                 printk(KERN_ERR "fip mode not FABRIC\n");
2318                 return -EIO;
2319         }
2320
2321         rtnl_lock();
2322
2323         mutex_lock(&bnx2fc_dev_lock);
2324
2325         if (!try_module_get(THIS_MODULE)) {
2326                 rc = -EINVAL;
2327                 goto mod_err;
2328         }
2329
2330         /* obtain physical netdev */
2331         if (is_vlan_dev(netdev))
2332                 phys_dev = vlan_dev_real_dev(netdev);
2333
2334         /* verify if the physical device is a netxtreme2 device */
2335         if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) {
2336                 memset(&drvinfo, 0, sizeof(drvinfo));
2337                 phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo);
2338                 if (strncmp(drvinfo.driver, "bnx2x", strlen("bnx2x"))) {
2339                         printk(KERN_ERR PFX "Not a netxtreme2 device\n");
2340                         rc = -EINVAL;
2341                         goto netdev_err;
2342                 }
2343         } else {
2344                 printk(KERN_ERR PFX "unable to obtain drv_info\n");
2345                 rc = -EINVAL;
2346                 goto netdev_err;
2347         }
2348
2349         /* obtain interface and initialize rest of the structure */
2350         hba = bnx2fc_hba_lookup(phys_dev);
2351         if (!hba) {
2352                 rc = -ENODEV;
2353                 printk(KERN_ERR PFX "bnx2fc_create: hba not found\n");
2354                 goto netdev_err;
2355         }
2356
2357         if (bnx2fc_interface_lookup(netdev)) {
2358                 rc = -EEXIST;
2359                 goto netdev_err;
2360         }
2361
2362         interface = bnx2fc_interface_create(hba, netdev, fip_mode);
2363         if (!interface) {
2364                 printk(KERN_ERR PFX "bnx2fc_interface_create failed\n");
2365                 rc = -ENOMEM;
2366                 goto netdev_err;
2367         }
2368
2369         if (is_vlan_dev(netdev)) {
2370                 vlan_id = vlan_dev_vlan_id(netdev);
2371                 interface->vlan_enabled = 1;
2372         }
2373
2374         ctlr = bnx2fc_to_ctlr(interface);
2375         cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
2376         interface->vlan_id = vlan_id;
2377         interface->tm_timeout = BNX2FC_TM_TIMEOUT;
2378
2379         interface->timer_work_queue =
2380                         create_singlethread_workqueue("bnx2fc_timer_wq");
2381         if (!interface->timer_work_queue) {
2382                 printk(KERN_ERR PFX "ulp_init could not create timer_wq\n");
2383                 rc = -EINVAL;
2384                 goto ifput_err;
2385         }
2386
2387         lport = bnx2fc_if_create(interface, &cdev->dev, 0);
2388         if (!lport) {
2389                 printk(KERN_ERR PFX "Failed to create interface (%s)\n",
2390                         netdev->name);
2391                 rc = -EINVAL;
2392                 goto if_create_err;
2393         }
2394
2395         /* Add interface to if_list */
2396         list_add_tail(&interface->list, &if_list);
2397
2398         lport->boot_time = jiffies;
2399
2400         /* Make this master N_port */
2401         ctlr->lp = lport;
2402
2403         if (link_state == BNX2FC_CREATE_LINK_UP)
2404                 cdev->enabled = FCOE_CTLR_ENABLED;
2405         else
2406                 cdev->enabled = FCOE_CTLR_DISABLED;
2407
2408         if (link_state == BNX2FC_CREATE_LINK_UP &&
2409             !bnx2fc_link_ok(lport)) {
2410                 fcoe_ctlr_link_up(ctlr);
2411                 fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
2412                 set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state);
2413         }
2414
2415         BNX2FC_HBA_DBG(lport, "create: START DISC\n");
2416         bnx2fc_start_disc(interface);
2417
2418         if (link_state == BNX2FC_CREATE_LINK_UP)
2419                 interface->enabled = true;
2420
2421         /*
2422          * Release from kref_init in bnx2fc_interface_setup, on success
2423          * lport should be holding a reference taken in bnx2fc_if_create
2424          */
2425         bnx2fc_interface_put(interface);
2426         /* put netdev that was held while calling dev_get_by_name */
2427         mutex_unlock(&bnx2fc_dev_lock);
2428         rtnl_unlock();
2429         return 0;
2430
2431 if_create_err:
2432         destroy_workqueue(interface->timer_work_queue);
2433 ifput_err:
2434         bnx2fc_net_cleanup(interface);
2435         bnx2fc_interface_put(interface);
2436         goto mod_err;
2437 netdev_err:
2438         module_put(THIS_MODULE);
2439 mod_err:
2440         mutex_unlock(&bnx2fc_dev_lock);
2441         rtnl_unlock();
2442         return rc;
2443 }
2444
2445 /**
2446  * bnx2fc_create() - Create a bnx2fc interface
2447  * @netdev  : The net_device object the Ethernet interface to create on
2448  * @fip_mode: The FIP mode for this creation
2449  *
2450  * Called from fcoe transport
2451  *
2452  * Returns: 0 for success
2453  */
2454 static int bnx2fc_create(struct net_device *netdev, enum fip_mode fip_mode)
2455 {
2456         return _bnx2fc_create(netdev, fip_mode, BNX2FC_CREATE_LINK_UP);
2457 }
2458
2459 /**
2460  * bnx2fc_ctlr_alloc() - Allocate a bnx2fc interface from fcoe_sysfs
2461  * @netdev: The net_device to be used by the allocated FCoE Controller
2462  *
2463  * This routine is called from fcoe_sysfs. It will start the fcoe_ctlr
2464  * in a link_down state. The allows the user an opportunity to configure
2465  * the FCoE Controller from sysfs before enabling the FCoE Controller.
2466  *
2467  * Creating in with this routine starts the FCoE Controller in Fabric
2468  * mode. The user can change to VN2VN or another mode before enabling.
2469  */
2470 static int bnx2fc_ctlr_alloc(struct net_device *netdev)
2471 {
2472         return _bnx2fc_create(netdev, FIP_MODE_FABRIC,
2473                               BNX2FC_CREATE_LINK_DOWN);
2474 }
2475
2476 /**
2477  * bnx2fc_find_hba_for_cnic - maps cnic instance to bnx2fc hba instance
2478  *
2479  * @cnic:       Pointer to cnic device instance
2480  *
2481  **/
2482 static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic)
2483 {
2484         struct bnx2fc_hba *hba;
2485
2486         /* Called with bnx2fc_dev_lock held */
2487         list_for_each_entry(hba, &adapter_list, list) {
2488                 if (hba->cnic == cnic)
2489                         return hba;
2490         }
2491         return NULL;
2492 }
2493
2494 static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device
2495                                                         *netdev)
2496 {
2497         struct bnx2fc_interface *interface;
2498
2499         /* Called with bnx2fc_dev_lock held */
2500         list_for_each_entry(interface, &if_list, list) {
2501                 if (interface->netdev == netdev)
2502                         return interface;
2503         }
2504         return NULL;
2505 }
2506
2507 static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device
2508                                                       *phys_dev)
2509 {
2510         struct bnx2fc_hba *hba;
2511
2512         /* Called with bnx2fc_dev_lock held */
2513         list_for_each_entry(hba, &adapter_list, list) {
2514                 if (hba->phys_dev == phys_dev)
2515                         return hba;
2516         }
2517         printk(KERN_ERR PFX "adapter_lookup: hba NULL\n");
2518         return NULL;
2519 }
2520
2521 /**
2522  * bnx2fc_ulp_exit - shuts down adapter instance and frees all resources
2523  *
2524  * @dev:        cnic device handle
2525  */
2526 static void bnx2fc_ulp_exit(struct cnic_dev *dev)
2527 {
2528         struct bnx2fc_hba *hba;
2529         struct bnx2fc_interface *interface, *tmp;
2530
2531         BNX2FC_MISC_DBG("Entered bnx2fc_ulp_exit\n");
2532
2533         if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
2534                 printk(KERN_ERR PFX "bnx2fc port check: %s, flags: %lx\n",
2535                         dev->netdev->name, dev->flags);
2536                 return;
2537         }
2538
2539         mutex_lock(&bnx2fc_dev_lock);
2540         hba = bnx2fc_find_hba_for_cnic(dev);
2541         if (!hba) {
2542                 printk(KERN_ERR PFX "bnx2fc_ulp_exit: hba not found, dev 0%p\n",
2543                        dev);
2544                 mutex_unlock(&bnx2fc_dev_lock);
2545                 return;
2546         }
2547
2548         list_del_init(&hba->list);
2549         adapter_count--;
2550
2551         list_for_each_entry_safe(interface, tmp, &if_list, list)
2552                 /* destroy not called yet, move to quiesced list */
2553                 if (interface->hba == hba)
2554                         __bnx2fc_destroy(interface);
2555         mutex_unlock(&bnx2fc_dev_lock);
2556
2557         bnx2fc_ulp_stop(hba);
2558         /* unregister cnic device */
2559         if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic))
2560                 hba->cnic->unregister_device(hba->cnic, CNIC_ULP_FCOE);
2561         bnx2fc_hba_destroy(hba);
2562 }
2563
2564 static void bnx2fc_rport_terminate_io(struct fc_rport *rport)
2565 {
2566         /* This is a no-op */
2567 }
2568
2569 /**
2570  * bnx2fc_fcoe_reset - Resets the fcoe
2571  *
2572  * @shost: shost the reset is from
2573  *
2574  * Returns: always 0
2575  */
2576 static int bnx2fc_fcoe_reset(struct Scsi_Host *shost)
2577 {
2578         struct fc_lport *lport = shost_priv(shost);
2579         fc_lport_reset(lport);
2580         return 0;
2581 }
2582
2583
2584 static bool bnx2fc_match(struct net_device *netdev)
2585 {
2586         struct net_device *phys_dev = netdev;
2587
2588         mutex_lock(&bnx2fc_dev_lock);
2589         if (is_vlan_dev(netdev))
2590                 phys_dev = vlan_dev_real_dev(netdev);
2591
2592         if (bnx2fc_hba_lookup(phys_dev)) {
2593                 mutex_unlock(&bnx2fc_dev_lock);
2594                 return true;
2595         }
2596
2597         mutex_unlock(&bnx2fc_dev_lock);
2598         return false;
2599 }
2600
2601
2602 static struct fcoe_transport bnx2fc_transport = {
2603         .name = {"bnx2fc"},
2604         .attached = false,
2605         .list = LIST_HEAD_INIT(bnx2fc_transport.list),
2606         .alloc = bnx2fc_ctlr_alloc,
2607         .match = bnx2fc_match,
2608         .create = bnx2fc_create,
2609         .destroy = bnx2fc_destroy,
2610         .enable = bnx2fc_enable,
2611         .disable = bnx2fc_disable,
2612 };
2613
2614 /**
2615  * bnx2fc_cpu_online - Create a receive thread for an  online CPU
2616  *
2617  * @cpu: cpu index for the online cpu
2618  */
2619 static int bnx2fc_cpu_online(unsigned int cpu)
2620 {
2621         struct bnx2fc_percpu_s *p;
2622         struct task_struct *thread;
2623
2624         p = &per_cpu(bnx2fc_percpu, cpu);
2625
2626         thread = kthread_create_on_node(bnx2fc_percpu_io_thread,
2627                                         (void *)p, cpu_to_node(cpu),
2628                                         "bnx2fc_thread/%d", cpu);
2629         if (IS_ERR(thread))
2630                 return PTR_ERR(thread);
2631
2632         /* bind thread to the cpu */
2633         kthread_bind(thread, cpu);
2634         p->iothread = thread;
2635         wake_up_process(thread);
2636         return 0;
2637 }
2638
2639 static int bnx2fc_cpu_offline(unsigned int cpu)
2640 {
2641         struct bnx2fc_percpu_s *p;
2642         struct task_struct *thread;
2643         struct bnx2fc_work *work, *tmp;
2644
2645         BNX2FC_MISC_DBG("destroying io thread for CPU %d\n", cpu);
2646
2647         /* Prevent any new work from being queued for this CPU */
2648         p = &per_cpu(bnx2fc_percpu, cpu);
2649         spin_lock_bh(&p->fp_work_lock);
2650         thread = p->iothread;
2651         p->iothread = NULL;
2652
2653         /* Free all work in the list */
2654         list_for_each_entry_safe(work, tmp, &p->work_list, list) {
2655                 list_del_init(&work->list);
2656                 bnx2fc_process_cq_compl(work->tgt, work->wqe, work->rq_data,
2657                                         work->num_rq, work->task);
2658                 kfree(work);
2659         }
2660
2661         spin_unlock_bh(&p->fp_work_lock);
2662
2663         if (thread)
2664                 kthread_stop(thread);
2665         return 0;
2666 }
2667
2668 static int bnx2fc_slave_configure(struct scsi_device *sdev)
2669 {
2670         if (!bnx2fc_queue_depth)
2671                 return 0;
2672
2673         scsi_change_queue_depth(sdev, bnx2fc_queue_depth);
2674         return 0;
2675 }
2676
2677 static enum cpuhp_state bnx2fc_online_state;
2678
2679 /**
2680  * bnx2fc_mod_init - module init entry point
2681  *
2682  * Initialize driver wide global data structures, and register
2683  * with cnic module
2684  **/
2685 static int __init bnx2fc_mod_init(void)
2686 {
2687         struct fcoe_percpu_s *bg;
2688         struct task_struct *l2_thread;
2689         int rc = 0;
2690         unsigned int cpu = 0;
2691         struct bnx2fc_percpu_s *p;
2692
2693         printk(KERN_INFO PFX "%s", version);
2694
2695         /* register as a fcoe transport */
2696         rc = fcoe_transport_attach(&bnx2fc_transport);
2697         if (rc) {
2698                 printk(KERN_ERR "failed to register an fcoe transport, check "
2699                         "if libfcoe is loaded\n");
2700                 goto out;
2701         }
2702
2703         INIT_LIST_HEAD(&adapter_list);
2704         INIT_LIST_HEAD(&if_list);
2705         mutex_init(&bnx2fc_dev_lock);
2706         adapter_count = 0;
2707
2708         /* Attach FC transport template */
2709         rc = bnx2fc_attach_transport();
2710         if (rc)
2711                 goto detach_ft;
2712
2713         bnx2fc_wq = alloc_workqueue("bnx2fc", 0, 0);
2714         if (!bnx2fc_wq) {
2715                 rc = -ENOMEM;
2716                 goto release_bt;
2717         }
2718
2719         bg = &bnx2fc_global;
2720         skb_queue_head_init(&bg->fcoe_rx_list);
2721         l2_thread = kthread_create(bnx2fc_l2_rcv_thread,
2722                                    (void *)bg,
2723                                    "bnx2fc_l2_thread");
2724         if (IS_ERR(l2_thread)) {
2725                 rc = PTR_ERR(l2_thread);
2726                 goto free_wq;
2727         }
2728         wake_up_process(l2_thread);
2729         spin_lock_bh(&bg->fcoe_rx_list.lock);
2730         bg->kthread = l2_thread;
2731         spin_unlock_bh(&bg->fcoe_rx_list.lock);
2732
2733         for_each_possible_cpu(cpu) {
2734                 p = &per_cpu(bnx2fc_percpu, cpu);
2735                 INIT_LIST_HEAD(&p->work_list);
2736                 spin_lock_init(&p->fp_work_lock);
2737         }
2738
2739         rc = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "scsi/bnx2fc:online",
2740                                bnx2fc_cpu_online, bnx2fc_cpu_offline);
2741         if (rc < 0)
2742                 goto stop_thread;
2743         bnx2fc_online_state = rc;
2744
2745         cnic_register_driver(CNIC_ULP_FCOE, &bnx2fc_cnic_cb);
2746         return 0;
2747
2748 stop_thread:
2749         kthread_stop(l2_thread);
2750 free_wq:
2751         destroy_workqueue(bnx2fc_wq);
2752 release_bt:
2753         bnx2fc_release_transport();
2754 detach_ft:
2755         fcoe_transport_detach(&bnx2fc_transport);
2756 out:
2757         return rc;
2758 }
2759
2760 static void __exit bnx2fc_mod_exit(void)
2761 {
2762         LIST_HEAD(to_be_deleted);
2763         struct bnx2fc_hba *hba, *next;
2764         struct fcoe_percpu_s *bg;
2765         struct task_struct *l2_thread;
2766         struct sk_buff *skb;
2767
2768         /*
2769          * NOTE: Since cnic calls register_driver routine rtnl_lock,
2770          * it will have higher precedence than bnx2fc_dev_lock.
2771          * unregister_device() cannot be called with bnx2fc_dev_lock
2772          * held.
2773          */
2774         mutex_lock(&bnx2fc_dev_lock);
2775         list_splice_init(&adapter_list, &to_be_deleted);
2776         adapter_count = 0;
2777         mutex_unlock(&bnx2fc_dev_lock);
2778
2779         /* Unregister with cnic */
2780         list_for_each_entry_safe(hba, next, &to_be_deleted, list) {
2781                 list_del_init(&hba->list);
2782                 printk(KERN_ERR PFX "MOD_EXIT:destroy hba = 0x%p\n",
2783                        hba);
2784                 bnx2fc_ulp_stop(hba);
2785                 /* unregister cnic device */
2786                 if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED,
2787                                        &hba->reg_with_cnic))
2788                         hba->cnic->unregister_device(hba->cnic,
2789                                                          CNIC_ULP_FCOE);
2790                 bnx2fc_hba_destroy(hba);
2791         }
2792         cnic_unregister_driver(CNIC_ULP_FCOE);
2793
2794         /* Destroy global thread */
2795         bg = &bnx2fc_global;
2796         spin_lock_bh(&bg->fcoe_rx_list.lock);
2797         l2_thread = bg->kthread;
2798         bg->kthread = NULL;
2799         while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL)
2800                 kfree_skb(skb);
2801
2802         spin_unlock_bh(&bg->fcoe_rx_list.lock);
2803
2804         if (l2_thread)
2805                 kthread_stop(l2_thread);
2806
2807         cpuhp_remove_state(bnx2fc_online_state);
2808
2809         destroy_workqueue(bnx2fc_wq);
2810         /*
2811          * detach from scsi transport
2812          * must happen after all destroys are done
2813          */
2814         bnx2fc_release_transport();
2815
2816         /* detach from fcoe transport */
2817         fcoe_transport_detach(&bnx2fc_transport);
2818 }
2819
2820 module_init(bnx2fc_mod_init);
2821 module_exit(bnx2fc_mod_exit);
2822
2823 static struct fcoe_sysfs_function_template bnx2fc_fcoe_sysfs_templ = {
2824         .set_fcoe_ctlr_enabled = bnx2fc_ctlr_enabled,
2825         .get_fcoe_ctlr_link_fail = fcoe_ctlr_get_lesb,
2826         .get_fcoe_ctlr_vlink_fail = fcoe_ctlr_get_lesb,
2827         .get_fcoe_ctlr_miss_fka = fcoe_ctlr_get_lesb,
2828         .get_fcoe_ctlr_symb_err = fcoe_ctlr_get_lesb,
2829         .get_fcoe_ctlr_err_block = fcoe_ctlr_get_lesb,
2830         .get_fcoe_ctlr_fcs_error = fcoe_ctlr_get_lesb,
2831
2832         .get_fcoe_fcf_selected = fcoe_fcf_get_selected,
2833         .get_fcoe_fcf_vlan_id = bnx2fc_fcf_get_vlan_id,
2834 };
2835
2836 static struct fc_function_template bnx2fc_transport_function = {
2837         .show_host_node_name = 1,
2838         .show_host_port_name = 1,
2839         .show_host_supported_classes = 1,
2840         .show_host_supported_fc4s = 1,
2841         .show_host_active_fc4s = 1,
2842         .show_host_maxframe_size = 1,
2843
2844         .show_host_port_id = 1,
2845         .show_host_supported_speeds = 1,
2846         .get_host_speed = fc_get_host_speed,
2847         .show_host_speed = 1,
2848         .show_host_port_type = 1,
2849         .get_host_port_state = fc_get_host_port_state,
2850         .show_host_port_state = 1,
2851         .show_host_symbolic_name = 1,
2852
2853         .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) +
2854                                 sizeof(struct bnx2fc_rport)),
2855         .show_rport_maxframe_size = 1,
2856         .show_rport_supported_classes = 1,
2857
2858         .show_host_fabric_name = 1,
2859         .show_starget_node_name = 1,
2860         .show_starget_port_name = 1,
2861         .show_starget_port_id = 1,
2862         .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo,
2863         .show_rport_dev_loss_tmo = 1,
2864         .get_fc_host_stats = bnx2fc_get_host_stats,
2865
2866         .issue_fc_host_lip = bnx2fc_fcoe_reset,
2867
2868         .terminate_rport_io = bnx2fc_rport_terminate_io,
2869
2870         .vport_create = bnx2fc_vport_create,
2871         .vport_delete = bnx2fc_vport_destroy,
2872         .vport_disable = bnx2fc_vport_disable,
2873         .bsg_request = fc_lport_bsg_request,
2874 };
2875
2876 static struct fc_function_template bnx2fc_vport_xport_function = {
2877         .show_host_node_name = 1,
2878         .show_host_port_name = 1,
2879         .show_host_supported_classes = 1,
2880         .show_host_supported_fc4s = 1,
2881         .show_host_active_fc4s = 1,
2882         .show_host_maxframe_size = 1,
2883
2884         .show_host_port_id = 1,
2885         .show_host_supported_speeds = 1,
2886         .get_host_speed = fc_get_host_speed,
2887         .show_host_speed = 1,
2888         .show_host_port_type = 1,
2889         .get_host_port_state = fc_get_host_port_state,
2890         .show_host_port_state = 1,
2891         .show_host_symbolic_name = 1,
2892
2893         .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) +
2894                                 sizeof(struct bnx2fc_rport)),
2895         .show_rport_maxframe_size = 1,
2896         .show_rport_supported_classes = 1,
2897
2898         .show_host_fabric_name = 1,
2899         .show_starget_node_name = 1,
2900         .show_starget_port_name = 1,
2901         .show_starget_port_id = 1,
2902         .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo,
2903         .show_rport_dev_loss_tmo = 1,
2904         .get_fc_host_stats = fc_get_host_stats,
2905         .issue_fc_host_lip = bnx2fc_fcoe_reset,
2906         .terminate_rport_io = fc_rport_terminate_io,
2907         .bsg_request = fc_lport_bsg_request,
2908 };
2909
2910 /*
2911  * Additional scsi_host attributes.
2912  */
2913 static ssize_t
2914 bnx2fc_tm_timeout_show(struct device *dev, struct device_attribute *attr,
2915         char *buf)
2916 {
2917         struct Scsi_Host *shost = class_to_shost(dev);
2918         struct fc_lport *lport = shost_priv(shost);
2919         struct fcoe_port *port = lport_priv(lport);
2920         struct bnx2fc_interface *interface = port->priv;
2921
2922         sprintf(buf, "%u\n", interface->tm_timeout);
2923         return strlen(buf);
2924 }
2925
2926 static ssize_t
2927 bnx2fc_tm_timeout_store(struct device *dev,
2928         struct device_attribute *attr, const char *buf, size_t count)
2929 {
2930         struct Scsi_Host *shost = class_to_shost(dev);
2931         struct fc_lport *lport = shost_priv(shost);
2932         struct fcoe_port *port = lport_priv(lport);
2933         struct bnx2fc_interface *interface = port->priv;
2934         int rval, val;
2935
2936         rval = kstrtouint(buf, 10, &val);
2937         if (rval)
2938                 return rval;
2939         if (val > 255)
2940                 return -ERANGE;
2941
2942         interface->tm_timeout = (u8)val;
2943         return strlen(buf);
2944 }
2945
2946 static DEVICE_ATTR(tm_timeout, S_IRUGO|S_IWUSR, bnx2fc_tm_timeout_show,
2947         bnx2fc_tm_timeout_store);
2948
2949 static struct attribute *bnx2fc_host_attrs[] = {
2950         &dev_attr_tm_timeout.attr,
2951         NULL,
2952 };
2953
2954 ATTRIBUTE_GROUPS(bnx2fc_host);
2955
2956 /*
2957  * scsi_host_template structure used while registering with SCSI-ml
2958  */
2959 static struct scsi_host_template bnx2fc_shost_template = {
2960         .module                 = THIS_MODULE,
2961         .name                   = "QLogic Offload FCoE Initiator",
2962         .queuecommand           = bnx2fc_queuecommand,
2963         .eh_timed_out           = fc_eh_timed_out,
2964         .eh_abort_handler       = bnx2fc_eh_abort,        /* abts */
2965         .eh_device_reset_handler = bnx2fc_eh_device_reset, /* lun reset */
2966         .eh_target_reset_handler = bnx2fc_eh_target_reset, /* tgt reset */
2967         .eh_host_reset_handler  = fc_eh_host_reset,
2968         .slave_alloc            = fc_slave_alloc,
2969         .change_queue_depth     = scsi_change_queue_depth,
2970         .this_id                = -1,
2971         .cmd_per_lun            = 3,
2972         .sg_tablesize           = BNX2FC_MAX_BDS_PER_CMD,
2973         .dma_boundary           = 0x7fff,
2974         .max_sectors            = 0x3fbf,
2975         .track_queue_depth      = 1,
2976         .slave_configure        = bnx2fc_slave_configure,
2977         .shost_groups           = bnx2fc_host_groups,
2978 };
2979
2980 static struct libfc_function_template bnx2fc_libfc_fcn_templ = {
2981         .frame_send             = bnx2fc_xmit,
2982         .elsct_send             = bnx2fc_elsct_send,
2983         .fcp_abort_io           = bnx2fc_abort_io,
2984         .fcp_cleanup            = bnx2fc_cleanup,
2985         .get_lesb               = fcoe_get_lesb,
2986         .rport_event_callback   = bnx2fc_rport_event_handler,
2987 };
2988
2989 /*
2990  * bnx2fc_cnic_cb - global template of bnx2fc - cnic driver interface
2991  *                      structure carrying callback function pointers
2992  */
2993 static struct cnic_ulp_ops bnx2fc_cnic_cb = {
2994         .owner                  = THIS_MODULE,
2995         .cnic_init              = bnx2fc_ulp_init,
2996         .cnic_exit              = bnx2fc_ulp_exit,
2997         .cnic_start             = bnx2fc_ulp_start,
2998         .cnic_stop              = bnx2fc_ulp_stop,
2999         .indicate_kcqes         = bnx2fc_indicate_kcqe,
3000         .indicate_netevent      = bnx2fc_indicate_netevent,
3001         .cnic_get_stats         = bnx2fc_ulp_get_stats,
3002 };