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[SCSI] bnx2fc: Remove network bonding checking
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / bnx2fc / bnx2fc_fcoe.c
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853e2bd2
BG		 1/* bnx2fc_fcoe.c: Broadcom NetXtreme II 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 - 2010 Broadcom Corporation
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation.
11 *
12 * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com)
13 */
14
15#include "bnx2fc.h"
16
17static struct list_head adapter_list;
18static u32 adapter_count;
19static DEFINE_MUTEX(bnx2fc_dev_lock);
20DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu);
21
22#define DRV_MODULE_NAME "bnx2fc"
23#define DRV_MODULE_VERSION BNX2FC_VERSION
24#define DRV_MODULE_RELDATE "Jan 25, 2011"
25
26
27static char version[] __devinitdata =
28 "Broadcom NetXtreme II FCoE Driver " DRV_MODULE_NAME \
29 " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
30
31
32MODULE_AUTHOR("Bhanu Prakash Gollapudi <bprakash@broadcom.com>");
33MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 FCoE Driver");
34MODULE_LICENSE("GPL");
35MODULE_VERSION(DRV_MODULE_VERSION);
36
37#define BNX2FC_MAX_QUEUE_DEPTH 256
38#define BNX2FC_MIN_QUEUE_DEPTH 32
39#define FCOE_WORD_TO_BYTE 4
40
41static struct scsi_transport_template *bnx2fc_transport_template;
42static struct scsi_transport_template *bnx2fc_vport_xport_template;
43
44struct workqueue_struct *bnx2fc_wq;
45
46/* bnx2fc structure needs only one instance of the fcoe_percpu_s structure.
47 * Here the io threads are per cpu but the l2 thread is just one
48 */
49struct fcoe_percpu_s bnx2fc_global;
50DEFINE_SPINLOCK(bnx2fc_global_lock);
51
52static struct cnic_ulp_ops bnx2fc_cnic_cb;
53static struct libfc_function_template bnx2fc_libfc_fcn_templ;
54static struct scsi_host_template bnx2fc_shost_template;
55static struct fc_function_template bnx2fc_transport_function;
56static struct fc_function_template bnx2fc_vport_xport_function;
57static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode);
58static int bnx2fc_destroy(struct net_device *net_device);
59static int bnx2fc_enable(struct net_device *netdev);
60static int bnx2fc_disable(struct net_device *netdev);
61
62static void bnx2fc_recv_frame(struct sk_buff *skb);
63
64static void bnx2fc_start_disc(struct bnx2fc_hba *hba);
65static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev);
66static int bnx2fc_net_config(struct fc_lport *lp);
67static int bnx2fc_lport_config(struct fc_lport *lport);
68static int bnx2fc_em_config(struct fc_lport *lport);
69static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba);
70static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba);
71static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba);
72static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba);
73static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
74 struct device *parent, int npiv);
75static void bnx2fc_destroy_work(struct work_struct *work);
76
77static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev);
78static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic);
79
80static int bnx2fc_fw_init(struct bnx2fc_hba *hba);
81static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba);
82
83static void bnx2fc_port_shutdown(struct fc_lport *lport);
84static void bnx2fc_stop(struct bnx2fc_hba *hba);
85static int __init bnx2fc_mod_init(void);
86static void __exit bnx2fc_mod_exit(void);
87
88unsigned int bnx2fc_debug_level;
89module_param_named(debug_logging, bnx2fc_debug_level, int, S_IRUGO|S_IWUSR);
90
91static int bnx2fc_cpu_callback(struct notifier_block *nfb,
92 unsigned long action, void *hcpu);
93/* notification function for CPU hotplug events */
94static struct notifier_block bnx2fc_cpu_notifier = {
95 .notifier_call = bnx2fc_cpu_callback,
96};
97
98static void bnx2fc_clean_rx_queue(struct fc_lport *lp)
99{
100 struct fcoe_percpu_s *bg;
101 struct fcoe_rcv_info *fr;
102 struct sk_buff_head *list;
103 struct sk_buff *skb, *next;
104 struct sk_buff *head;
105
106 bg = &bnx2fc_global;
107 spin_lock_bh(&bg->fcoe_rx_list.lock);
108 list = &bg->fcoe_rx_list;
109 head = list->next;
110 for (skb = head; skb != (struct sk_buff *)list;
111 skb = next) {
112 next = skb->next;
113 fr = fcoe_dev_from_skb(skb);
114 if (fr->fr_dev == lp) {
115 __skb_unlink(skb, list);
116 kfree_skb(skb);
117 }
118 }
119 spin_unlock_bh(&bg->fcoe_rx_list.lock);
120}
121
122int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen)
123{
124 int rc;
125 spin_lock(&bnx2fc_global_lock);
126 rc = fcoe_get_paged_crc_eof(skb, tlen, &bnx2fc_global);
127 spin_unlock(&bnx2fc_global_lock);
128
129 return rc;
130}
131
132static void bnx2fc_abort_io(struct fc_lport *lport)
133{
134 /*
135 * This function is no-op for bnx2fc, but we do
136 * not want to leave it as NULL either, as libfc
137 * can call the default function which is
138 * fc_fcp_abort_io.
139 */
140}
141
142static void bnx2fc_cleanup(struct fc_lport *lport)
143{
144 struct fcoe_port *port = lport_priv(lport);
145 struct bnx2fc_hba *hba = port->priv;
146 struct bnx2fc_rport *tgt;
147 int i;
148
149 BNX2FC_MISC_DBG("Entered %s\n", __func__);
150 mutex_lock(&hba->hba_mutex);
151 spin_lock_bh(&hba->hba_lock);
152 for (i = 0; i < BNX2FC_NUM_MAX_SESS; i++) {
153 tgt = hba->tgt_ofld_list[i];
154 if (tgt) {
155 /* Cleanup IOs belonging to requested vport */
156 if (tgt->port == port) {
157 spin_unlock_bh(&hba->hba_lock);
158 BNX2FC_TGT_DBG(tgt, "flush/cleanup\n");
159 bnx2fc_flush_active_ios(tgt);
160 spin_lock_bh(&hba->hba_lock);
161 }
162 }
163 }
164 spin_unlock_bh(&hba->hba_lock);
165 mutex_unlock(&hba->hba_mutex);
166}
167
168static int bnx2fc_xmit_l2_frame(struct bnx2fc_rport *tgt,
169 struct fc_frame *fp)
170{
171 struct fc_rport_priv *rdata = tgt->rdata;
172 struct fc_frame_header *fh;
173 int rc = 0;
174
175 fh = fc_frame_header_get(fp);
176 BNX2FC_TGT_DBG(tgt, "Xmit L2 frame rport = 0x%x, oxid = 0x%x, "
177 "r_ctl = 0x%x\n", rdata->ids.port_id,
178 ntohs(fh->fh_ox_id), fh->fh_r_ctl);
179 if ((fh->fh_type == FC_TYPE_ELS) &&
180 (fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
181
182 switch (fc_frame_payload_op(fp)) {
183 case ELS_ADISC:
184 rc = bnx2fc_send_adisc(tgt, fp);
185 break;
186 case ELS_LOGO:
187 rc = bnx2fc_send_logo(tgt, fp);
188 break;
189 case ELS_RLS:
190 rc = bnx2fc_send_rls(tgt, fp);
191 break;
192 default:
193 break;
194 }
195 } else if ((fh->fh_type == FC_TYPE_BLS) &&
196 (fh->fh_r_ctl == FC_RCTL_BA_ABTS))
197 BNX2FC_TGT_DBG(tgt, "ABTS frame\n");
198 else {
199 BNX2FC_TGT_DBG(tgt, "Send L2 frame type 0x%x "
200 "rctl 0x%x thru non-offload path\n",
201 fh->fh_type, fh->fh_r_ctl);
202 return -ENODEV;
203 }
204 if (rc)
205 return -ENOMEM;
206 else
207 return 0;
208}
209
210/**
211 * bnx2fc_xmit - bnx2fc's FCoE frame transmit function
212 *
213 * @lport: the associated local port
214 * @fp: the fc_frame to be transmitted
215 */
216static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
217{
218 struct ethhdr *eh;
219 struct fcoe_crc_eof *cp;
220 struct sk_buff *skb;
221 struct fc_frame_header *fh;
222 struct bnx2fc_hba *hba;
223 struct fcoe_port *port;
224 struct fcoe_hdr *hp;
225 struct bnx2fc_rport *tgt;
226 struct fcoe_dev_stats *stats;
227 u8 sof, eof;
228 u32 crc;
229 unsigned int hlen, tlen, elen;
230 int wlen, rc = 0;
231
232 port = (struct fcoe_port *)lport_priv(lport);
233 hba = port->priv;
234
235 fh = fc_frame_header_get(fp);
236
237 skb = fp_skb(fp);
238 if (!lport->link_up) {
239 BNX2FC_HBA_DBG(lport, "bnx2fc_xmit link down\n");
240 kfree_skb(skb);
241 return 0;
242 }
243
244 if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
245 if (!hba->ctlr.sel_fcf) {
246 BNX2FC_HBA_DBG(lport, "FCF not selected yet!\n");
247 kfree_skb(skb);
248 return -EINVAL;
249 }
250 if (fcoe_ctlr_els_send(&hba->ctlr, lport, skb))
251 return 0;
252 }
253
254 sof = fr_sof(fp);
255 eof = fr_eof(fp);
256
257 /*
258 * Snoop the frame header to check if the frame is for
259 * an offloaded session
260 */
261 /*
262 * tgt_ofld_list access is synchronized using
263 * both hba mutex and hba lock. Atleast hba mutex or
264 * hba lock needs to be held for read access.
265 */
266
267 spin_lock_bh(&hba->hba_lock);
268 tgt = bnx2fc_tgt_lookup(port, ntoh24(fh->fh_d_id));
269 if (tgt && (test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags))) {
270 /* This frame is for offloaded session */
271 BNX2FC_HBA_DBG(lport, "xmit: Frame is for offloaded session "
272 "port_id = 0x%x\n", ntoh24(fh->fh_d_id));
273 spin_unlock_bh(&hba->hba_lock);
274 rc = bnx2fc_xmit_l2_frame(tgt, fp);
275 if (rc != -ENODEV) {
276 kfree_skb(skb);
277 return rc;
278 }
279 } else {
280 spin_unlock_bh(&hba->hba_lock);
281 }
282
283 elen = sizeof(struct ethhdr);
284 hlen = sizeof(struct fcoe_hdr);
285 tlen = sizeof(struct fcoe_crc_eof);
286 wlen = (skb->len - tlen + sizeof(crc)) / FCOE_WORD_TO_BYTE;
287
288 skb->ip_summed = CHECKSUM_NONE;
289 crc = fcoe_fc_crc(fp);
290
291 /* copy port crc and eof to the skb buff */
292 if (skb_is_nonlinear(skb)) {
293 skb_frag_t *frag;
294 if (bnx2fc_get_paged_crc_eof(skb, tlen)) {
295 kfree_skb(skb);
296 return -ENOMEM;
297 }
298 frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
299 cp = kmap_atomic(frag->page, KM_SKB_DATA_SOFTIRQ)
300 + frag->page_offset;
301 } else {
302 cp = (struct fcoe_crc_eof *)skb_put(skb, tlen);
303 }
304
305 memset(cp, 0, sizeof(*cp));
306 cp->fcoe_eof = eof;
307 cp->fcoe_crc32 = cpu_to_le32(~crc);
308 if (skb_is_nonlinear(skb)) {
309 kunmap_atomic(cp, KM_SKB_DATA_SOFTIRQ);
310 cp = NULL;
311 }
312
313 /* adjust skb network/transport offsets to match mac/fcoe/port */
314 skb_push(skb, elen + hlen);
315 skb_reset_mac_header(skb);
316 skb_reset_network_header(skb);
317 skb->mac_len = elen;
318 skb->protocol = htons(ETH_P_FCOE);
319 skb->dev = hba->netdev;
320
321 /* fill up mac and fcoe headers */
322 eh = eth_hdr(skb);
323 eh->h_proto = htons(ETH_P_FCOE);
324 if (hba->ctlr.map_dest)
325 fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id);
326 else
327 /* insert GW address */
328 memcpy(eh->h_dest, hba->ctlr.dest_addr, ETH_ALEN);
329
330 if (unlikely(hba->ctlr.flogi_oxid != FC_XID_UNKNOWN))
331 memcpy(eh->h_source, hba->ctlr.ctl_src_addr, ETH_ALEN);
332 else
333 memcpy(eh->h_source, port->data_src_addr, ETH_ALEN);
334
335 hp = (struct fcoe_hdr *)(eh + 1);
336 memset(hp, 0, sizeof(*hp));
337 if (FC_FCOE_VER)
338 FC_FCOE_ENCAPS_VER(hp, FC_FCOE_VER);
339 hp->fcoe_sof = sof;
340
341 /* fcoe lso, mss is in max_payload which is non-zero for FCP data */
342 if (lport->seq_offload && fr_max_payload(fp)) {
343 skb_shinfo(skb)->gso_type = SKB_GSO_FCOE;
344 skb_shinfo(skb)->gso_size = fr_max_payload(fp);
345 } else {
346 skb_shinfo(skb)->gso_type = 0;
347 skb_shinfo(skb)->gso_size = 0;
348 }
349
350 /*update tx stats */
351 stats = per_cpu_ptr(lport->dev_stats, get_cpu());
352 stats->TxFrames++;
353 stats->TxWords += wlen;
354 put_cpu();
355
356 /* send down to lld */
357 fr_dev(fp) = lport;
358 if (port->fcoe_pending_queue.qlen)
359 fcoe_check_wait_queue(lport, skb);
360 else if (fcoe_start_io(skb))
361 fcoe_check_wait_queue(lport, skb);
362
363 return 0;
364}
365
366/**
367 * bnx2fc_rcv - This is bnx2fc's receive function called by NET_RX_SOFTIRQ
368 *
369 * @skb: the receive socket buffer
370 * @dev: associated net device
371 * @ptype: context
372 * @olddev: last device
373 *
374 * This function receives the packet and builds FC frame and passes it up
375 */
376static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
377 struct packet_type *ptype, struct net_device *olddev)
378{
379 struct fc_lport *lport;
380 struct bnx2fc_hba *hba;
381 struct fc_frame_header *fh;
382 struct fcoe_rcv_info *fr;
383 struct fcoe_percpu_s *bg;
384 unsigned short oxid;
385
386 hba = container_of(ptype, struct bnx2fc_hba, fcoe_packet_type);
387 lport = hba->ctlr.lp;
388
389 if (unlikely(lport == NULL)) {
390 printk(KERN_ALERT PFX "bnx2fc_rcv: lport is NULL\n");
391 goto err;
392 }
393
394 if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
395 printk(KERN_ALERT PFX "bnx2fc_rcv: Wrong FC type frame\n");
396 goto err;
397 }
398
399 /*
400 * Check for minimum frame length, and make sure required FCoE
401 * and FC headers are pulled into the linear data area.
402 */
403 if (unlikely((skb->len < FCOE_MIN_FRAME) ||
404 !pskb_may_pull(skb, FCOE_HEADER_LEN)))
405 goto err;
406
407 skb_set_transport_header(skb, sizeof(struct fcoe_hdr));
408 fh = (struct fc_frame_header *) skb_transport_header(skb);
409
410 oxid = ntohs(fh->fh_ox_id);
411
412 fr = fcoe_dev_from_skb(skb);
413 fr->fr_dev = lport;
414 fr->ptype = ptype;
415
416 bg = &bnx2fc_global;
417 spin_lock_bh(&bg->fcoe_rx_list.lock);
418
419 __skb_queue_tail(&bg->fcoe_rx_list, skb);
420 if (bg->fcoe_rx_list.qlen == 1)
421 wake_up_process(bg->thread);
422
423 spin_unlock_bh(&bg->fcoe_rx_list.lock);
424
425 return 0;
426err:
427 kfree_skb(skb);
428 return -1;
429}
430
431static int bnx2fc_l2_rcv_thread(void *arg)
432{
433 struct fcoe_percpu_s *bg = arg;
434 struct sk_buff *skb;
435
436 set_user_nice(current, -20);
437 set_current_state(TASK_INTERRUPTIBLE);
438 while (!kthread_should_stop()) {
439 schedule();
440 set_current_state(TASK_RUNNING);
441 spin_lock_bh(&bg->fcoe_rx_list.lock);
442 while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL) {
443 spin_unlock_bh(&bg->fcoe_rx_list.lock);
444 bnx2fc_recv_frame(skb);
445 spin_lock_bh(&bg->fcoe_rx_list.lock);
446 }
447 spin_unlock_bh(&bg->fcoe_rx_list.lock);
448 set_current_state(TASK_INTERRUPTIBLE);
449 }
450 set_current_state(TASK_RUNNING);
451 return 0;
452}
453
454
455static void bnx2fc_recv_frame(struct sk_buff *skb)
456{
457 u32 fr_len;
458 struct fc_lport *lport;
459 struct fcoe_rcv_info *fr;
460 struct fcoe_dev_stats *stats;
461 struct fc_frame_header *fh;
462 struct fcoe_crc_eof crc_eof;
463 struct fc_frame *fp;
464 struct fc_lport *vn_port;
465 struct fcoe_port *port;
466 u8 *mac = NULL;
467 u8 *dest_mac = NULL;
468 struct fcoe_hdr *hp;
469
470 fr = fcoe_dev_from_skb(skb);
471 lport = fr->fr_dev;
472 if (unlikely(lport == NULL)) {
473 printk(KERN_ALERT PFX "Invalid lport struct\n");
474 kfree_skb(skb);
475 return;
476 }
477
478 if (skb_is_nonlinear(skb))
479 skb_linearize(skb);
480 mac = eth_hdr(skb)->h_source;
481 dest_mac = eth_hdr(skb)->h_dest;
482
483 /* Pull the header */
484 hp = (struct fcoe_hdr *) skb_network_header(skb);
485 fh = (struct fc_frame_header *) skb_transport_header(skb);
486 skb_pull(skb, sizeof(struct fcoe_hdr));
487 fr_len = skb->len - sizeof(struct fcoe_crc_eof);
488
489 stats = per_cpu_ptr(lport->dev_stats, get_cpu());
490 stats->RxFrames++;
491 stats->RxWords += fr_len / FCOE_WORD_TO_BYTE;
492
493 fp = (struct fc_frame *)skb;
494 fc_frame_init(fp);
495 fr_dev(fp) = lport;
496 fr_sof(fp) = hp->fcoe_sof;
497 if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) {
498 put_cpu();
499 kfree_skb(skb);
500 return;
501 }
502 fr_eof(fp) = crc_eof.fcoe_eof;
503 fr_crc(fp) = crc_eof.fcoe_crc32;
504 if (pskb_trim(skb, fr_len)) {
505 put_cpu();
506 kfree_skb(skb);
507 return;
508 }
509
510 fh = fc_frame_header_get(fp);
511
512 vn_port = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id));
513 if (vn_port) {
514 port = lport_priv(vn_port);
515 if (compare_ether_addr(port->data_src_addr, dest_mac)
516 != 0) {
517 BNX2FC_HBA_DBG(lport, "fpma mismatch\n");
518 put_cpu();
519 kfree_skb(skb);
520 return;
521 }
522 }
523 if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA &&
524 fh->fh_type == FC_TYPE_FCP) {
525 /* Drop FCP data. We dont this in L2 path */
526 put_cpu();
527 kfree_skb(skb);
528 return;
529 }
530 if (fh->fh_r_ctl == FC_RCTL_ELS_REQ &&
531 fh->fh_type == FC_TYPE_ELS) {
532 switch (fc_frame_payload_op(fp)) {
533 case ELS_LOGO:
534 if (ntoh24(fh->fh_s_id) == FC_FID_FLOGI) {
535 /* drop non-FIP LOGO */
536 put_cpu();
537 kfree_skb(skb);
538 return;
539 }
540 break;
541 }
542 }
543 if (le32_to_cpu(fr_crc(fp)) !=
544 ~crc32(~0, skb->data, fr_len)) {
545 if (stats->InvalidCRCCount < 5)
546 printk(KERN_WARNING PFX "dropping frame with "
547 "CRC error\n");
548 stats->InvalidCRCCount++;
549 put_cpu();
550 kfree_skb(skb);
551 return;
552 }
553 put_cpu();
554 fc_exch_recv(lport, fp);
555}
556
557/**
558 * bnx2fc_percpu_io_thread - thread per cpu for ios
559 *
560 * @arg: ptr to bnx2fc_percpu_info structure
561 */
562int bnx2fc_percpu_io_thread(void *arg)
563{
564 struct bnx2fc_percpu_s *p = arg;
565 struct bnx2fc_work *work, *tmp;
566 LIST_HEAD(work_list);
567
568 set_user_nice(current, -20);
569 set_current_state(TASK_INTERRUPTIBLE);
570 while (!kthread_should_stop()) {
571 schedule();
572 set_current_state(TASK_RUNNING);
573 spin_lock_bh(&p->fp_work_lock);
574 while (!list_empty(&p->work_list)) {
575 list_splice_init(&p->work_list, &work_list);
576 spin_unlock_bh(&p->fp_work_lock);
577
578 list_for_each_entry_safe(work, tmp, &work_list, list) {
579 list_del_init(&work->list);
580 bnx2fc_process_cq_compl(work->tgt, work->wqe);
581 kfree(work);
582 }
583
584 spin_lock_bh(&p->fp_work_lock);
585 }
586 spin_unlock_bh(&p->fp_work_lock);
587 set_current_state(TASK_INTERRUPTIBLE);
588 }
589 set_current_state(TASK_RUNNING);
590
591 return 0;
592}
593
594static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost)
595{
596 struct fc_host_statistics *bnx2fc_stats;
597 struct fc_lport *lport = shost_priv(shost);
598 struct fcoe_port *port = lport_priv(lport);
599 struct bnx2fc_hba *hba = port->priv;
600 struct fcoe_statistics_params *fw_stats;
601 int rc = 0;
602
603 fw_stats = (struct fcoe_statistics_params *)hba->stats_buffer;
604 if (!fw_stats)
605 return NULL;
606
607 bnx2fc_stats = fc_get_host_stats(shost);
608
609 init_completion(&hba->stat_req_done);
610 if (bnx2fc_send_stat_req(hba))
611 return bnx2fc_stats;
612 rc = wait_for_completion_timeout(&hba->stat_req_done, (2 * HZ));
613 if (!rc) {
614 BNX2FC_HBA_DBG(lport, "FW stat req timed out\n");
615 return bnx2fc_stats;
616 }
617 bnx2fc_stats->invalid_crc_count += fw_stats->rx_stat1.fc_crc_cnt;
618 bnx2fc_stats->tx_frames += fw_stats->tx_stat.fcoe_tx_pkt_cnt;
619 bnx2fc_stats->tx_words += (fw_stats->tx_stat.fcoe_tx_byte_cnt) / 4;
620 bnx2fc_stats->rx_frames += fw_stats->rx_stat0.fcoe_rx_pkt_cnt;
621 bnx2fc_stats->rx_words += (fw_stats->rx_stat0.fcoe_rx_byte_cnt) / 4;
622
623 bnx2fc_stats->dumped_frames = 0;
624 bnx2fc_stats->lip_count = 0;
625 bnx2fc_stats->nos_count = 0;
626 bnx2fc_stats->loss_of_sync_count = 0;
627 bnx2fc_stats->loss_of_signal_count = 0;
628 bnx2fc_stats->prim_seq_protocol_err_count = 0;
629
630 return bnx2fc_stats;
631}
632
633static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev)
634{
635 struct fcoe_port *port = lport_priv(lport);
636 struct bnx2fc_hba *hba = port->priv;
637 struct Scsi_Host *shost = lport->host;
638 int rc = 0;
639
640 shost->max_cmd_len = BNX2FC_MAX_CMD_LEN;
641 shost->max_lun = BNX2FC_MAX_LUN;
642 shost->max_id = BNX2FC_MAX_FCP_TGT;
643 shost->max_channel = 0;
644 if (lport->vport)
645 shost->transportt = bnx2fc_vport_xport_template;
646 else
647 shost->transportt = bnx2fc_transport_template;
648
649 /* Add the new host to SCSI-ml */
650 rc = scsi_add_host(lport->host, dev);
651 if (rc) {
652 printk(KERN_ERR PFX "Error on scsi_add_host\n");
653 return rc;
654 }
655 if (!lport->vport)
656 fc_host_max_npiv_vports(lport->host) = USHRT_MAX;
657 sprintf(fc_host_symbolic_name(lport->host), "%s v%s over %s",
658 BNX2FC_NAME, BNX2FC_VERSION,
659 hba->netdev->name);
660
661 return 0;
662}
663
664static int bnx2fc_mfs_update(struct fc_lport *lport)
665{
666 struct fcoe_port *port = lport_priv(lport);
667 struct bnx2fc_hba *hba = port->priv;
668 struct net_device *netdev = hba->netdev;
669 u32 mfs;
670 u32 max_mfs;
671
672 mfs = netdev->mtu - (sizeof(struct fcoe_hdr) +
673 sizeof(struct fcoe_crc_eof));
674 max_mfs = BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header);
675 BNX2FC_HBA_DBG(lport, "mfs = %d, max_mfs = %d\n", mfs, max_mfs);
676 if (mfs > max_mfs)
677 mfs = max_mfs;
678
679 /* Adjust mfs to be a multiple of 256 bytes */
680 mfs = (((mfs - sizeof(struct fc_frame_header)) / BNX2FC_MIN_PAYLOAD) *
681 BNX2FC_MIN_PAYLOAD);
682 mfs = mfs + sizeof(struct fc_frame_header);
683
684 BNX2FC_HBA_DBG(lport, "Set MFS = %d\n", mfs);
685 if (fc_set_mfs(lport, mfs))
686 return -EINVAL;
687 return 0;
688}
689static void bnx2fc_link_speed_update(struct fc_lport *lport)
690{
691 struct fcoe_port *port = lport_priv(lport);
692 struct bnx2fc_hba *hba = port->priv;
693 struct net_device *netdev = hba->netdev;
694 struct ethtool_cmd ecmd = { ETHTOOL_GSET };
695
696 if (!dev_ethtool_get_settings(netdev, &ecmd)) {
697 lport->link_supported_speeds &=
698 ~(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT);
699 if (ecmd.supported & (SUPPORTED_1000baseT_Half |
700 SUPPORTED_1000baseT_Full))
701 lport->link_supported_speeds |= FC_PORTSPEED_1GBIT;
702 if (ecmd.supported & SUPPORTED_10000baseT_Full)
703 lport->link_supported_speeds |= FC_PORTSPEED_10GBIT;
704
705 if (ecmd.speed == SPEED_1000)
706 lport->link_speed = FC_PORTSPEED_1GBIT;
707 if (ecmd.speed == SPEED_10000)
708 lport->link_speed = FC_PORTSPEED_10GBIT;
709 }
710 return;
711}
712static int bnx2fc_link_ok(struct fc_lport *lport)
713{
714 struct fcoe_port *port = lport_priv(lport);
715 struct bnx2fc_hba *hba = port->priv;
716 struct net_device *dev = hba->phys_dev;
717 int rc = 0;
718
719 if ((dev->flags & IFF_UP) && netif_carrier_ok(dev))
720 clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
721 else {
722 set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
723 rc = -1;
724 }
725 return rc;
726}
727
728/**
729 * bnx2fc_get_link_state - get network link state
730 *
731 * @hba: adapter instance pointer
732 *
733 * updates adapter structure flag based on netdev state
734 */
735void bnx2fc_get_link_state(struct bnx2fc_hba *hba)
736{
737 if (test_bit(__LINK_STATE_NOCARRIER, &hba->netdev->state))
738 set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
739 else
740 clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
741}
742
743static int bnx2fc_net_config(struct fc_lport *lport)
744{
745 struct bnx2fc_hba *hba;
746 struct fcoe_port *port;
747 u64 wwnn, wwpn;
748
749 port = lport_priv(lport);
750 hba = port->priv;
751
752 /* require support for get_pauseparam ethtool op. */
753 if (!hba->phys_dev->ethtool_ops ||
754 !hba->phys_dev->ethtool_ops->get_pauseparam)
755 return -EOPNOTSUPP;
756
757 if (bnx2fc_mfs_update(lport))
758 return -EINVAL;
759
760 skb_queue_head_init(&port->fcoe_pending_queue);
761 port->fcoe_pending_queue_active = 0;
762 setup_timer(&port->timer, fcoe_queue_timer, (unsigned long) lport);
763
764 bnx2fc_link_speed_update(lport);
765
766 if (!lport->vport) {
767 wwnn = fcoe_wwn_from_mac(hba->ctlr.ctl_src_addr, 1, 0);
768 BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn);
769 fc_set_wwnn(lport, wwnn);
770
771 wwpn = fcoe_wwn_from_mac(hba->ctlr.ctl_src_addr, 2, 0);
772 BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn);
773 fc_set_wwpn(lport, wwpn);
774 }
775
776 return 0;
777}
778
779static void bnx2fc_destroy_timer(unsigned long data)
780{
781 struct bnx2fc_hba *hba = (struct bnx2fc_hba *)data;
782
783 BNX2FC_HBA_DBG(hba->ctlr.lp, "ERROR:bnx2fc_destroy_timer - "
784 "Destroy compl not received!!\n");
785 hba->flags |= BNX2FC_FLAG_DESTROY_CMPL;
786 wake_up_interruptible(&hba->destroy_wait);
787}
788
789/**
790 * bnx2fc_indicate_netevent - Generic netdev event handler
791 *
792 * @context: adapter structure pointer
793 * @event: event type
794 *
795 * Handles NETDEV_UP, NETDEV_DOWN, NETDEV_GOING_DOWN,NETDEV_CHANGE and
796 * NETDEV_CHANGE_MTU events
797 */
798static void bnx2fc_indicate_netevent(void *context, unsigned long event)
799{
800 struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context;
801 struct fc_lport *lport = hba->ctlr.lp;
802 struct fc_lport *vport;
803 u32 link_possible = 1;
804
805 if (!test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
806 BNX2FC_MISC_DBG("driver not ready. event=%s %ld\n",
807 hba->netdev->name, event);
808 return;
809 }
810
811 /*
812 * ASSUMPTION:
813 * indicate_netevent cannot be called from cnic unless bnx2fc
814 * does register_device
815 */
816 BUG_ON(!lport);
817
818 BNX2FC_HBA_DBG(lport, "enter netevent handler - event=%s %ld\n",
819 hba->netdev->name, event);
820
821 switch (event) {
822 case NETDEV_UP:
823 BNX2FC_HBA_DBG(lport, "Port up, adapter_state = %ld\n",
824 hba->adapter_state);
825 if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state))
826 printk(KERN_ERR "indicate_netevent: "\
827 "adapter is not UP!!\n");
828 /* fall thru to update mfs if MTU has changed */
829 case NETDEV_CHANGEMTU:
830 BNX2FC_HBA_DBG(lport, "NETDEV_CHANGEMTU event\n");
831 bnx2fc_mfs_update(lport);
832 mutex_lock(&lport->lp_mutex);
833 list_for_each_entry(vport, &lport->vports, list)
834 bnx2fc_mfs_update(vport);
835 mutex_unlock(&lport->lp_mutex);
836 break;
837
838 case NETDEV_DOWN:
839 BNX2FC_HBA_DBG(lport, "Port down\n");
840 clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
841 clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
842 link_possible = 0;
843 break;
844
845 case NETDEV_GOING_DOWN:
846 BNX2FC_HBA_DBG(lport, "Port going down\n");
847 set_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
848 link_possible = 0;
849 break;
850
851 case NETDEV_CHANGE:
852 BNX2FC_HBA_DBG(lport, "NETDEV_CHANGE\n");
853 break;
854
855 default:
856 printk(KERN_ERR PFX "Unkonwn netevent %ld", event);
857 return;
858 }
859
860 bnx2fc_link_speed_update(lport);
861
862 if (link_possible && !bnx2fc_link_ok(lport)) {
863 printk(KERN_ERR "indicate_netevent: call ctlr_link_up\n");
864 fcoe_ctlr_link_up(&hba->ctlr);
865 } else {
866 printk(KERN_ERR "indicate_netevent: call ctlr_link_down\n");
867 if (fcoe_ctlr_link_down(&hba->ctlr)) {
868 clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
869 mutex_lock(&lport->lp_mutex);
870 list_for_each_entry(vport, &lport->vports, list)
871 fc_host_port_type(vport->host) =
872 FC_PORTTYPE_UNKNOWN;
873 mutex_unlock(&lport->lp_mutex);
874 fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
875 per_cpu_ptr(lport->dev_stats,
876 get_cpu())->LinkFailureCount++;
877 put_cpu();
878 fcoe_clean_pending_queue(lport);
879
880 init_waitqueue_head(&hba->shutdown_wait);
881 BNX2FC_HBA_DBG(lport, "indicate_netevent "
882 "num_ofld_sess = %d\n",
883 hba->num_ofld_sess);
884 hba->wait_for_link_down = 1;
885 BNX2FC_HBA_DBG(lport, "waiting for uploads to "
886 "compl proc = %s\n",
887 current->comm);
888 wait_event_interruptible(hba->shutdown_wait,
889 (hba->num_ofld_sess == 0));
890 BNX2FC_HBA_DBG(lport, "wakeup - num_ofld_sess = %d\n",
891 hba->num_ofld_sess);
892 hba->wait_for_link_down = 0;
893
894 if (signal_pending(current))
895 flush_signals(current);
896 }
897 }
898}
899
900static int bnx2fc_libfc_config(struct fc_lport *lport)
901{
902
903 /* Set the function pointers set by bnx2fc driver */
904 memcpy(&lport->tt, &bnx2fc_libfc_fcn_templ,
905 sizeof(struct libfc_function_template));
906 fc_elsct_init(lport);
907 fc_exch_init(lport);
908 fc_rport_init(lport);
909 fc_disc_init(lport);
910 return 0;
911}
912
913static int bnx2fc_em_config(struct fc_lport *lport)
914{
915 struct fcoe_port *port = lport_priv(lport);
916 struct bnx2fc_hba *hba = port->priv;
917
918 if (!fc_exch_mgr_alloc(lport, FC_CLASS_3, FCOE_MIN_XID,
919 FCOE_MAX_XID, NULL)) {
920 printk(KERN_ERR PFX "em_config:fc_exch_mgr_alloc failed\n");
921 return -ENOMEM;
922 }
923
924 hba->cmd_mgr = bnx2fc_cmd_mgr_alloc(hba, BNX2FC_MIN_XID,
925 BNX2FC_MAX_XID);
926
927 if (!hba->cmd_mgr) {
928 printk(KERN_ERR PFX "em_config:bnx2fc_cmd_mgr_alloc failed\n");
929 fc_exch_mgr_free(lport);
930 return -ENOMEM;
931 }
932 return 0;
933}
934
935static int bnx2fc_lport_config(struct fc_lport *lport)
936{
937 lport->link_up = 0;
938 lport->qfull = 0;
939 lport->max_retry_count = 3;
940 lport->max_rport_retry_count = 3;
941 lport->e_d_tov = 2 * 1000;
942 lport->r_a_tov = 10 * 1000;
943
944 /* REVISIT: enable when supporting tape devices
945 lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
946 FCP_SPPF_RETRY | FCP_SPPF_CONF_COMPL);
947 */
948 lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS);
949 lport->does_npiv = 1;
950
951 memset(&lport->rnid_gen, 0, sizeof(struct fc_els_rnid_gen));
952 lport->rnid_gen.rnid_atype = BNX2FC_RNID_HBA;
953
954 /* alloc stats structure */
955 if (fc_lport_init_stats(lport))
956 return -ENOMEM;
957
958 /* Finish fc_lport configuration */
959 fc_lport_config(lport);
960
961 return 0;
962}
963
964/**
965 * bnx2fc_fip_recv - handle a received FIP frame.
966 *
967 * @skb: the received skb
968 * @dev: associated &net_device
969 * @ptype: the &packet_type structure which was used to register this handler.
970 * @orig_dev: original receive &net_device, in case @ dev is a bond.
971 *
972 * Returns: 0 for success
973 */
974static int bnx2fc_fip_recv(struct sk_buff *skb, struct net_device *dev,
975 struct packet_type *ptype,
976 struct net_device *orig_dev)
977{
978 struct bnx2fc_hba *hba;
979 hba = container_of(ptype, struct bnx2fc_hba, fip_packet_type);
980 fcoe_ctlr_recv(&hba->ctlr, skb);
981 return 0;
982}
983
984/**
985 * bnx2fc_update_src_mac - Update Ethernet MAC filters.
986 *
987 * @fip: FCoE controller.
988 * @old: Unicast MAC address to delete if the MAC is non-zero.
989 * @new: Unicast MAC address to add.
990 *
991 * Remove any previously-set unicast MAC filter.
992 * Add secondary FCoE MAC address filter for our OUI.
993 */
994static void bnx2fc_update_src_mac(struct fc_lport *lport, u8 *addr)
995{
996 struct fcoe_port *port = lport_priv(lport);
997
998 memcpy(port->data_src_addr, addr, ETH_ALEN);
999}
1000
1001/**
1002 * bnx2fc_get_src_mac - return the ethernet source address for an lport
1003 *
1004 * @lport: libfc port
1005 */
1006static u8 *bnx2fc_get_src_mac(struct fc_lport *lport)
1007{
1008 struct fcoe_port *port;
1009
1010 port = (struct fcoe_port *)lport_priv(lport);
1011 return port->data_src_addr;
1012}
1013
1014/**
1015 * bnx2fc_fip_send - send an Ethernet-encapsulated FIP frame.
1016 *
1017 * @fip: FCoE controller.
1018 * @skb: FIP Packet.
1019 */
1020static void bnx2fc_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
1021{
1022 skb->dev = bnx2fc_from_ctlr(fip)->netdev;
1023 dev_queue_xmit(skb);
1024}
1025
1026static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled)
1027{
1028 struct Scsi_Host *shost = vport_to_shost(vport);
1029 struct fc_lport *n_port = shost_priv(shost);
1030 struct fcoe_port *port = lport_priv(n_port);
1031 struct bnx2fc_hba *hba = port->priv;
1032 struct net_device *netdev = hba->netdev;
1033 struct fc_lport *vn_port;
1034
1035 if (!test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done)) {
1036 printk(KERN_ERR PFX "vn ports cannot be created on"
1037 "this hba\n");
1038 return -EIO;
1039 }
1040 mutex_lock(&bnx2fc_dev_lock);
1041 vn_port = bnx2fc_if_create(hba, &vport->dev, 1);
1042 mutex_unlock(&bnx2fc_dev_lock);
1043
1044 if (IS_ERR(vn_port)) {
1045 printk(KERN_ERR PFX "bnx2fc_vport_create (%s) failed\n",
1046 netdev->name);
1047 return -EIO;
1048 }
1049
1050 if (disabled) {
1051 fc_vport_set_state(vport, FC_VPORT_DISABLED);
1052 } else {
1053 vn_port->boot_time = jiffies;
1054 fc_lport_init(vn_port);
1055 fc_fabric_login(vn_port);
1056 fc_vport_setlink(vn_port);
1057 }
1058 return 0;
1059}
1060
1061static int bnx2fc_vport_destroy(struct fc_vport *vport)
1062{
1063 struct Scsi_Host *shost = vport_to_shost(vport);
1064 struct fc_lport *n_port = shost_priv(shost);
1065 struct fc_lport *vn_port = vport->dd_data;
1066 struct fcoe_port *port = lport_priv(vn_port);
1067
1068 mutex_lock(&n_port->lp_mutex);
1069 list_del(&vn_port->list);
1070 mutex_unlock(&n_port->lp_mutex);
1071 queue_work(bnx2fc_wq, &port->destroy_work);
1072 return 0;
1073}
1074
1075static int bnx2fc_vport_disable(struct fc_vport *vport, bool disable)
1076{
1077 struct fc_lport *lport = vport->dd_data;
1078
1079 if (disable) {
1080 fc_vport_set_state(vport, FC_VPORT_DISABLED);
1081 fc_fabric_logoff(lport);
1082 } else {
1083 lport->boot_time = jiffies;
1084 fc_fabric_login(lport);
1085 fc_vport_setlink(lport);
1086 }
1087 return 0;
1088}
1089
1090
1091static int bnx2fc_netdev_setup(struct bnx2fc_hba *hba)
1092{
1093 struct net_device *netdev = hba->netdev;
1094 struct net_device *physdev = hba->phys_dev;
1095 struct netdev_hw_addr *ha;
1096 int sel_san_mac = 0;
1097
853e2bd2
BG		 1098 /* setup Source MAC Address */
1099 rcu_read_lock();
1100 for_each_dev_addr(physdev, ha) {
1101 BNX2FC_MISC_DBG("net_config: ha->type = %d, fip_mac = ",
1102 ha->type);
1103 printk(KERN_INFO "%2x:%2x:%2x:%2x:%2x:%2x\n", ha->addr[0],
1104 ha->addr[1], ha->addr[2], ha->addr[3],
1105 ha->addr[4], ha->addr[5]);
1106
1107 if ((ha->type == NETDEV_HW_ADDR_T_SAN) &&
1108 (is_valid_ether_addr(ha->addr))) {
1109 memcpy(hba->ctlr.ctl_src_addr, ha->addr, ETH_ALEN);
1110 sel_san_mac = 1;
1111 BNX2FC_MISC_DBG("Found SAN MAC\n");
1112 }
1113 }
1114 rcu_read_unlock();
1115
1116 if (!sel_san_mac)
1117 return -ENODEV;
1118
1119 hba->fip_packet_type.func = bnx2fc_fip_recv;
1120 hba->fip_packet_type.type = htons(ETH_P_FIP);
1121 hba->fip_packet_type.dev = netdev;
1122 dev_add_pack(&hba->fip_packet_type);
1123
1124 hba->fcoe_packet_type.func = bnx2fc_rcv;
1125 hba->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE);
1126 hba->fcoe_packet_type.dev = netdev;
1127 dev_add_pack(&hba->fcoe_packet_type);
1128
1129 return 0;
1130}
1131
1132static int bnx2fc_attach_transport(void)
1133{
1134 bnx2fc_transport_template =
1135 fc_attach_transport(&bnx2fc_transport_function);
1136
1137 if (bnx2fc_transport_template == NULL) {
1138 printk(KERN_ERR PFX "Failed to attach FC transport\n");
1139 return -ENODEV;
1140 }
1141
1142 bnx2fc_vport_xport_template =
1143 fc_attach_transport(&bnx2fc_vport_xport_function);
1144 if (bnx2fc_vport_xport_template == NULL) {
1145 printk(KERN_ERR PFX
1146 "Failed to attach FC transport for vport\n");
1147 fc_release_transport(bnx2fc_transport_template);
1148 bnx2fc_transport_template = NULL;
1149 return -ENODEV;
1150 }
1151 return 0;
1152}
1153static void bnx2fc_release_transport(void)
1154{
1155 fc_release_transport(bnx2fc_transport_template);
1156 fc_release_transport(bnx2fc_vport_xport_template);
1157 bnx2fc_transport_template = NULL;
1158 bnx2fc_vport_xport_template = NULL;
1159}
1160
1161static void bnx2fc_interface_release(struct kref *kref)
1162{
1163 struct bnx2fc_hba *hba;
1164 struct net_device *netdev;
1165 struct net_device *phys_dev;
1166
1167 hba = container_of(kref, struct bnx2fc_hba, kref);
1168 BNX2FC_HBA_DBG(hba->ctlr.lp, "Interface is being released\n");
1169
1170 netdev = hba->netdev;
1171 phys_dev = hba->phys_dev;
1172
1173 /* tear-down FIP controller */
1174 if (test_and_clear_bit(BNX2FC_CTLR_INIT_DONE, &hba->init_done))
1175 fcoe_ctlr_destroy(&hba->ctlr);
1176
1177 /* Free the command manager */
1178 if (hba->cmd_mgr) {
1179 bnx2fc_cmd_mgr_free(hba->cmd_mgr);
1180 hba->cmd_mgr = NULL;
1181 }
1182 dev_put(netdev);
1183 module_put(THIS_MODULE);
1184}
1185
1186static inline void bnx2fc_interface_get(struct bnx2fc_hba *hba)
1187{
1188 kref_get(&hba->kref);
1189}
1190
1191static inline void bnx2fc_interface_put(struct bnx2fc_hba *hba)
1192{
1193 kref_put(&hba->kref, bnx2fc_interface_release);
1194}
1195static void bnx2fc_interface_destroy(struct bnx2fc_hba *hba)
1196{
1197 bnx2fc_unbind_pcidev(hba);
1198 kfree(hba);
1199}
1200
1201/**
1202 * bnx2fc_interface_create - create a new fcoe instance
1203 *
1204 * @cnic: pointer to cnic device
1205 *
1206 * Creates a new FCoE instance on the given device which include allocating
1207 * hba structure, scsi_host and lport structures.
1208 */
1209static struct bnx2fc_hba *bnx2fc_interface_create(struct cnic_dev *cnic)
1210{
1211 struct bnx2fc_hba *hba;
1212 int rc;
1213
1214 hba = kzalloc(sizeof(*hba), GFP_KERNEL);
1215 if (!hba) {
1216 printk(KERN_ERR PFX "Unable to allocate hba structure\n");
1217 return NULL;
1218 }
1219 spin_lock_init(&hba->hba_lock);
1220 mutex_init(&hba->hba_mutex);
1221
1222 hba->cnic = cnic;
1223 rc = bnx2fc_bind_pcidev(hba);
1224 if (rc)
1225 goto bind_err;
1226 hba->phys_dev = cnic->netdev;
1227 /* will get overwritten after we do vlan discovery */
1228 hba->netdev = hba->phys_dev;
1229
1230 init_waitqueue_head(&hba->shutdown_wait);
1231 init_waitqueue_head(&hba->destroy_wait);
1232
1233 return hba;
1234bind_err:
1235 printk(KERN_ERR PFX "create_interface: bind error\n");
1236 kfree(hba);
1237 return NULL;
1238}
1239
1240static int bnx2fc_interface_setup(struct bnx2fc_hba *hba,
1241 enum fip_state fip_mode)
1242{
1243 int rc = 0;
1244 struct net_device *netdev = hba->netdev;
1245 struct fcoe_ctlr *fip = &hba->ctlr;
1246
1247 dev_hold(netdev);
1248 kref_init(&hba->kref);
1249
1250 hba->flags = 0;
1251
1252 /* Initialize FIP */
1253 memset(fip, 0, sizeof(*fip));
1254 fcoe_ctlr_init(fip, fip_mode);
1255 hba->ctlr.send = bnx2fc_fip_send;
1256 hba->ctlr.update_mac = bnx2fc_update_src_mac;
1257 hba->ctlr.get_src_addr = bnx2fc_get_src_mac;
1258 set_bit(BNX2FC_CTLR_INIT_DONE, &hba->init_done);
1259
1260 rc = bnx2fc_netdev_setup(hba);
1261 if (rc)
1262 goto setup_err;
1263
1264 hba->next_conn_id = 0;
1265
1266 memset(hba->tgt_ofld_list, 0, sizeof(hba->tgt_ofld_list));
1267 hba->num_ofld_sess = 0;
1268
1269 return 0;
1270
1271setup_err:
1272 fcoe_ctlr_destroy(&hba->ctlr);
1273 dev_put(netdev);
1274 bnx2fc_interface_put(hba);
1275 return rc;
1276}
1277
1278/**
1279 * bnx2fc_if_create - Create FCoE instance on a given interface
1280 *
1281 * @hba: FCoE interface to create a local port on
1282 * @parent: Device pointer to be the parent in sysfs for the SCSI host
1283 * @npiv: Indicates if the port is vport or not
1284 *
1285 * Creates a fc_lport instance and a Scsi_Host instance and configure them.
1286 *
1287 * Returns: Allocated fc_lport or an error pointer
1288 */
1289static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
1290 struct device *parent, int npiv)
1291{
1292 struct fc_lport *lport = NULL;
1293 struct fcoe_port *port;
1294 struct Scsi_Host *shost;
1295 struct fc_vport *vport = dev_to_vport(parent);
1296 int rc = 0;
1297
1298 /* Allocate Scsi_Host structure */
1299 if (!npiv) {
1300 lport = libfc_host_alloc(&bnx2fc_shost_template,
1301 sizeof(struct fcoe_port));
1302 } else {
1303 lport = libfc_vport_create(vport,
1304 sizeof(struct fcoe_port));
1305 }
1306
1307 if (!lport) {
1308 printk(KERN_ERR PFX "could not allocate scsi host structure\n");
1309 return NULL;
1310 }
1311 shost = lport->host;
1312 port = lport_priv(lport);
1313 port->lport = lport;
1314 port->priv = hba;
1315 INIT_WORK(&port->destroy_work, bnx2fc_destroy_work);
1316
1317 /* Configure fcoe_port */
1318 rc = bnx2fc_lport_config(lport);
1319 if (rc)
1320 goto lp_config_err;
1321
1322 if (npiv) {
1323 vport = dev_to_vport(parent);
1324 printk(KERN_ERR PFX "Setting vport names, 0x%llX 0x%llX\n",
1325 vport->node_name, vport->port_name);
1326 fc_set_wwnn(lport, vport->node_name);
1327 fc_set_wwpn(lport, vport->port_name);
1328 }
1329 /* Configure netdev and networking properties of the lport */
1330 rc = bnx2fc_net_config(lport);
1331 if (rc) {
1332 printk(KERN_ERR PFX "Error on bnx2fc_net_config\n");
1333 goto lp_config_err;
1334 }
1335
1336 rc = bnx2fc_shost_config(lport, parent);
1337 if (rc) {
1338 printk(KERN_ERR PFX "Couldnt configure shost for %s\n",
1339 hba->netdev->name);
1340 goto lp_config_err;
1341 }
1342
1343 /* Initialize the libfc library */
1344 rc = bnx2fc_libfc_config(lport);
1345 if (rc) {
1346 printk(KERN_ERR PFX "Couldnt configure libfc\n");
1347 goto shost_err;
1348 }
1349 fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
1350
1351 /* Allocate exchange manager */
1352 if (!npiv) {
1353 rc = bnx2fc_em_config(lport);
1354 if (rc) {
1355 printk(KERN_ERR PFX "Error on bnx2fc_em_config\n");
1356 goto shost_err;
1357 }
1358 }
1359
1360 bnx2fc_interface_get(hba);
1361 return lport;
1362
1363shost_err:
1364 scsi_remove_host(shost);
1365lp_config_err:
1366 scsi_host_put(lport->host);
1367 return NULL;
1368}
1369
1370static void bnx2fc_netdev_cleanup(struct bnx2fc_hba *hba)
1371{
1372 /* Dont listen for Ethernet packets anymore */
1373 __dev_remove_pack(&hba->fcoe_packet_type);
1374 __dev_remove_pack(&hba->fip_packet_type);
1375 synchronize_net();
1376}
1377
1378static void bnx2fc_if_destroy(struct fc_lport *lport)
1379{
1380 struct fcoe_port *port = lport_priv(lport);
1381 struct bnx2fc_hba *hba = port->priv;
1382
1383 BNX2FC_HBA_DBG(hba->ctlr.lp, "ENTERED bnx2fc_if_destroy\n");
1384 /* Stop the transmit retry timer */
1385 del_timer_sync(&port->timer);
1386
1387 /* Free existing transmit skbs */
1388 fcoe_clean_pending_queue(lport);
1389
1390 bnx2fc_interface_put(hba);
1391
1392 /* Free queued packets for the receive thread */
1393 bnx2fc_clean_rx_queue(lport);
1394
1395 /* Detach from scsi-ml */
1396 fc_remove_host(lport->host);
1397 scsi_remove_host(lport->host);
1398
1399 /*
1400 * Note that only the physical lport will have the exchange manager.
1401 * for vports, this function is NOP
1402 */
1403 fc_exch_mgr_free(lport);
1404
1405 /* Free memory used by statistical counters */
1406 fc_lport_free_stats(lport);
1407
1408 /* Release Scsi_Host */
1409 scsi_host_put(lport->host);
1410}
1411
1412/**
1413 * bnx2fc_destroy - Destroy a bnx2fc FCoE interface
1414 *
1415 * @buffer: The name of the Ethernet interface to be destroyed
1416 * @kp: The associated kernel parameter
1417 *
1418 * Called from sysfs.
1419 *
1420 * Returns: 0 for success
1421 */
1422static int bnx2fc_destroy(struct net_device *netdev)
1423{
1424 struct bnx2fc_hba *hba = NULL;
1425 struct net_device *phys_dev;
1426 int rc = 0;
1427
6702ca1d 1428 rtnl_lock();
853e2bd2
BG		 1429
1430 mutex_lock(&bnx2fc_dev_lock);
1431#ifdef CONFIG_SCSI_BNX2X_FCOE_MODULE
1432 if (THIS_MODULE->state != MODULE_STATE_LIVE) {
1433 rc = -ENODEV;
1434 goto netdev_err;
1435 }
1436#endif
1437 /* obtain physical netdev */
1438 if (netdev->priv_flags & IFF_802_1Q_VLAN)
1439 phys_dev = vlan_dev_real_dev(netdev);
1440 else {
1441 printk(KERN_ERR PFX "Not a vlan device\n");
1442 rc = -ENODEV;
1443 goto netdev_err;
1444 }
1445
1446 hba = bnx2fc_hba_lookup(phys_dev);
1447 if (!hba || !hba->ctlr.lp) {
1448 rc = -ENODEV;
1449 printk(KERN_ERR PFX "bnx2fc_destroy: hba or lport not found\n");
1450 goto netdev_err;
1451 }
1452
1453 if (!test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
1454 printk(KERN_ERR PFX "bnx2fc_destroy: Create not called\n");
1455 goto netdev_err;
1456 }
1457
1458 bnx2fc_netdev_cleanup(hba);
1459
1460 bnx2fc_stop(hba);
1461
1462 bnx2fc_if_destroy(hba->ctlr.lp);
1463
1464 destroy_workqueue(hba->timer_work_queue);
1465
1466 if (test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done))
1467 bnx2fc_fw_destroy(hba);
1468
1469 clear_bit(BNX2FC_CREATE_DONE, &hba->init_done);
1470netdev_err:
1471 mutex_unlock(&bnx2fc_dev_lock);
1472 rtnl_unlock();
1473 return rc;
1474}
1475
1476static void bnx2fc_destroy_work(struct work_struct *work)
1477{
1478 struct fcoe_port *port;
1479 struct fc_lport *lport;
1480
1481 port = container_of(work, struct fcoe_port, destroy_work);
1482 lport = port->lport;
1483
1484 BNX2FC_HBA_DBG(lport, "Entered bnx2fc_destroy_work\n");
1485
1486 bnx2fc_port_shutdown(lport);
1487 rtnl_lock();
1488 mutex_lock(&bnx2fc_dev_lock);
1489 bnx2fc_if_destroy(lport);
1490 mutex_unlock(&bnx2fc_dev_lock);
1491 rtnl_unlock();
1492}
1493
1494static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba)
1495{
1496 bnx2fc_free_fw_resc(hba);
1497 bnx2fc_free_task_ctx(hba);
1498}
1499
1500/**
1501 * bnx2fc_bind_adapter_devices - binds bnx2fc adapter with the associated
1502 * pci structure
1503 *
1504 * @hba: Adapter instance
1505 */
1506static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba)
1507{
1508 if (bnx2fc_setup_task_ctx(hba))
1509 goto mem_err;
1510
1511 if (bnx2fc_setup_fw_resc(hba))
1512 goto mem_err;
1513
1514 return 0;
1515mem_err:
1516 bnx2fc_unbind_adapter_devices(hba);
1517 return -ENOMEM;
1518}
1519
1520static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba)
1521{
1522 struct cnic_dev *cnic;
1523
1524 if (!hba->cnic) {
1525 printk(KERN_ERR PFX "cnic is NULL\n");
1526 return -ENODEV;
1527 }
1528 cnic = hba->cnic;
1529 hba->pcidev = cnic->pcidev;
1530 if (hba->pcidev)
1531 pci_dev_get(hba->pcidev);
1532
1533 return 0;
1534}
1535
1536static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba)
1537{
1538 if (hba->pcidev)
1539 pci_dev_put(hba->pcidev);
1540 hba->pcidev = NULL;
1541}
1542
1543
1544
1545/**
1546 * bnx2fc_ulp_start - cnic callback to initialize & start adapter instance
1547 *
1548 * @handle: transport handle pointing to adapter struture
1549 *
1550 * This function maps adapter structure to pcidev structure and initiates
1551 * firmware handshake to enable/initialize on-chip FCoE components.
1552 * This bnx2fc - cnic interface api callback is used after following
1553 * conditions are met -
1554 * a) underlying network interface is up (marked by event NETDEV_UP
1555 * from netdev
1556 * b) bnx2fc adatper structure is registered.
1557 */
1558static void bnx2fc_ulp_start(void *handle)
1559{
1560 struct bnx2fc_hba *hba = handle;
1561 struct fc_lport *lport = hba->ctlr.lp;
1562
1563 BNX2FC_MISC_DBG("Entered %s\n", __func__);
1564 mutex_lock(&bnx2fc_dev_lock);
1565
1566 if (test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done))
1567 goto start_disc;
1568
1569 if (test_bit(BNX2FC_CREATE_DONE, &hba->init_done))
1570 bnx2fc_fw_init(hba);
1571
1572start_disc:
1573 mutex_unlock(&bnx2fc_dev_lock);
1574
1575 BNX2FC_MISC_DBG("bnx2fc started.\n");
1576
1577 /* Kick off Fabric discovery*/
1578 if (test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
1579 printk(KERN_ERR PFX "ulp_init: start discovery\n");
1580 lport->tt.frame_send = bnx2fc_xmit;
1581 bnx2fc_start_disc(hba);
1582 }
1583}
1584
1585static void bnx2fc_port_shutdown(struct fc_lport *lport)
1586{
1587 BNX2FC_MISC_DBG("Entered %s\n", __func__);
1588 fc_fabric_logoff(lport);
1589 fc_lport_destroy(lport);
1590}
1591
1592static void bnx2fc_stop(struct bnx2fc_hba *hba)
1593{
1594 struct fc_lport *lport;
1595 struct fc_lport *vport;
1596
1597 BNX2FC_MISC_DBG("ENTERED %s - init_done = %ld\n", __func__,
1598 hba->init_done);
1599 if (test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done) &&
1600 test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
1601 lport = hba->ctlr.lp;
1602 bnx2fc_port_shutdown(lport);
1603 BNX2FC_HBA_DBG(lport, "bnx2fc_stop: waiting for %d "
1604 "offloaded sessions\n",
1605 hba->num_ofld_sess);
1606 wait_event_interruptible(hba->shutdown_wait,
1607 (hba->num_ofld_sess == 0));
1608 mutex_lock(&lport->lp_mutex);
1609 list_for_each_entry(vport, &lport->vports, list)
1610 fc_host_port_type(vport->host) = FC_PORTTYPE_UNKNOWN;
1611 mutex_unlock(&lport->lp_mutex);
1612 fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
1613 fcoe_ctlr_link_down(&hba->ctlr);
1614 fcoe_clean_pending_queue(lport);
1615
1616 mutex_lock(&hba->hba_mutex);
1617 clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
1618 clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
1619
1620 clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
1621 mutex_unlock(&hba->hba_mutex);
1622 }
1623}
1624
1625static int bnx2fc_fw_init(struct bnx2fc_hba *hba)
1626{
1627#define BNX2FC_INIT_POLL_TIME (1000 / HZ)
1628 int rc = -1;
1629 int i = HZ;
1630
1631 rc = bnx2fc_bind_adapter_devices(hba);
1632 if (rc) {
1633 printk(KERN_ALERT PFX
1634 "bnx2fc_bind_adapter_devices failed - rc = %d\n", rc);
1635 goto err_out;
1636 }
1637
1638 rc = bnx2fc_send_fw_fcoe_init_msg(hba);
1639 if (rc) {
1640 printk(KERN_ALERT PFX
1641 "bnx2fc_send_fw_fcoe_init_msg failed - rc = %d\n", rc);
1642 goto err_unbind;
1643 }
1644
1645 /*
1646 * Wait until the adapter init message is complete, and adapter
1647 * state is UP.
1648 */
1649 while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && i--)
1650 msleep(BNX2FC_INIT_POLL_TIME);
1651
1652 if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state)) {
1653 printk(KERN_ERR PFX "bnx2fc_start: %s failed to initialize. "
1654 "Ignoring...\n",
1655 hba->cnic->netdev->name);
1656 rc = -1;
1657 goto err_unbind;
1658 }
1659
1660
1661 /* Mark HBA to indicate that the FW INIT is done */
1662 set_bit(BNX2FC_FW_INIT_DONE, &hba->init_done);
1663 return 0;
1664
1665err_unbind:
1666 bnx2fc_unbind_adapter_devices(hba);
1667err_out:
1668 return rc;
1669}
1670
1671static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba)
1672{
1673 if (test_and_clear_bit(BNX2FC_FW_INIT_DONE, &hba->init_done)) {
1674 if (bnx2fc_send_fw_fcoe_destroy_msg(hba) == 0) {
1675 init_timer(&hba->destroy_timer);
1676 hba->destroy_timer.expires = BNX2FC_FW_TIMEOUT +
1677 jiffies;
1678 hba->destroy_timer.function = bnx2fc_destroy_timer;
1679 hba->destroy_timer.data = (unsigned long)hba;
1680 add_timer(&hba->destroy_timer);
1681 wait_event_interruptible(hba->destroy_wait,
1682 (hba->flags &
1683 BNX2FC_FLAG_DESTROY_CMPL));
1684 /* This should never happen */
1685 if (signal_pending(current))
1686 flush_signals(current);
1687
1688 del_timer_sync(&hba->destroy_timer);
1689 }
1690 bnx2fc_unbind_adapter_devices(hba);
1691 }
1692}
1693
1694/**
1695 * bnx2fc_ulp_stop - cnic callback to shutdown adapter instance
1696 *
1697 * @handle: transport handle pointing to adapter structure
1698 *
1699 * Driver checks if adapter is already in shutdown mode, if not start
1700 * the shutdown process.
1701 */
1702static void bnx2fc_ulp_stop(void *handle)
1703{
1704 struct bnx2fc_hba *hba = (struct bnx2fc_hba *)handle;
1705
1706 printk(KERN_ERR "ULP_STOP\n");
1707
1708 mutex_lock(&bnx2fc_dev_lock);
1709 bnx2fc_stop(hba);
1710 bnx2fc_fw_destroy(hba);
1711 mutex_unlock(&bnx2fc_dev_lock);
1712}
1713
1714static void bnx2fc_start_disc(struct bnx2fc_hba *hba)
1715{
1716 struct fc_lport *lport;
1717 int wait_cnt = 0;
1718
1719 BNX2FC_MISC_DBG("Entered %s\n", __func__);
1720 /* Kick off FIP/FLOGI */
1721 if (!test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done)) {
1722 printk(KERN_ERR PFX "Init not done yet\n");
1723 return;
1724 }
1725
1726 lport = hba->ctlr.lp;
1727 BNX2FC_HBA_DBG(lport, "calling fc_fabric_login\n");
1728
1729 if (!bnx2fc_link_ok(lport)) {
1730 BNX2FC_HBA_DBG(lport, "ctlr_link_up\n");
1731 fcoe_ctlr_link_up(&hba->ctlr);
1732 fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
1733 set_bit(ADAPTER_STATE_READY, &hba->adapter_state);
1734 }
1735
1736 /* wait for the FCF to be selected before issuing FLOGI */
1737 while (!hba->ctlr.sel_fcf) {
1738 msleep(250);
1739 /* give up after 3 secs */
1740 if (++wait_cnt > 12)
1741 break;
1742 }
1743 fc_lport_init(lport);
1744 fc_fabric_login(lport);
1745}
1746
1747
1748/**
1749 * bnx2fc_ulp_init - Initialize an adapter instance
1750 *
1751 * @dev : cnic device handle
1752 * Called from cnic_register_driver() context to initialize all
1753 * enumerated cnic devices. This routine allocates adapter structure
1754 * and other device specific resources.
1755 */
1756static void bnx2fc_ulp_init(struct cnic_dev *dev)
1757{
1758 struct bnx2fc_hba *hba;
1759 int rc = 0;
1760
1761 BNX2FC_MISC_DBG("Entered %s\n", __func__);
1762 /* bnx2fc works only when bnx2x is loaded */
1763 if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
1764 printk(KERN_ERR PFX "bnx2fc FCoE not supported on %s,"
1765 " flags: %lx\n",
1766 dev->netdev->name, dev->flags);
1767 return;
1768 }
1769
1770 /* Configure FCoE interface */
1771 hba = bnx2fc_interface_create(dev);
1772 if (!hba) {
1773 printk(KERN_ERR PFX "hba initialization failed\n");
1774 return;
1775 }
1776
1777 /* Add HBA to the adapter list */
1778 mutex_lock(&bnx2fc_dev_lock);
1779 list_add_tail(&hba->link, &adapter_list);
1780 adapter_count++;
1781 mutex_unlock(&bnx2fc_dev_lock);
1782
1783 clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic);
1784 rc = dev->register_device(dev, CNIC_ULP_FCOE,
1785 (void *) hba);
1786 if (rc)
1787 printk(KERN_ALERT PFX "register_device failed, rc = %d\n", rc);
1788 else
1789 set_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic);
1790}
1791
1792
1793static int bnx2fc_disable(struct net_device *netdev)
1794{
1795 struct bnx2fc_hba *hba;
1796 struct net_device *phys_dev;
1797 struct ethtool_drvinfo drvinfo;
1798 int rc = 0;
1799
6702ca1d 1800 rtnl_lock();
853e2bd2
BG		 1801
1802 mutex_lock(&bnx2fc_dev_lock);
1803
1804 if (THIS_MODULE->state != MODULE_STATE_LIVE) {
1805 rc = -ENODEV;
1806 goto nodev;
1807 }
1808
1809 /* obtain physical netdev */
1810 if (netdev->priv_flags & IFF_802_1Q_VLAN)
1811 phys_dev = vlan_dev_real_dev(netdev);
1812 else {
1813 printk(KERN_ERR PFX "Not a vlan device\n");
1814 rc = -ENODEV;
1815 goto nodev;
1816 }
1817
1818 /* verify if the physical device is a netxtreme2 device */
1819 if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) {
1820 memset(&drvinfo, 0, sizeof(drvinfo));
1821 phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo);
1822 if (strcmp(drvinfo.driver, "bnx2x")) {
1823 printk(KERN_ERR PFX "Not a netxtreme2 device\n");
1824 rc = -ENODEV;
1825 goto nodev;
1826 }
1827 } else {
1828 printk(KERN_ERR PFX "unable to obtain drv_info\n");
1829 rc = -ENODEV;
1830 goto nodev;
1831 }
1832
1833 printk(KERN_ERR PFX "phys_dev is netxtreme2 device\n");
1834
1835 /* obtain hba and initialize rest of the structure */
1836 hba = bnx2fc_hba_lookup(phys_dev);
1837 if (!hba || !hba->ctlr.lp) {
1838 rc = -ENODEV;
1839 printk(KERN_ERR PFX "bnx2fc_disable: hba or lport not found\n");
1840 } else {
1841 fcoe_ctlr_link_down(&hba->ctlr);
1842 fcoe_clean_pending_queue(hba->ctlr.lp);
1843 }
1844
1845nodev:
1846 mutex_unlock(&bnx2fc_dev_lock);
1847 rtnl_unlock();
1848 return rc;
1849}
1850
1851
1852static int bnx2fc_enable(struct net_device *netdev)
1853{
1854 struct bnx2fc_hba *hba;
1855 struct net_device *phys_dev;
1856 struct ethtool_drvinfo drvinfo;
1857 int rc = 0;
1858
6702ca1d 1859 rtnl_lock();
853e2bd2
BG		 1860
1861 BNX2FC_MISC_DBG("Entered %s\n", __func__);
1862 mutex_lock(&bnx2fc_dev_lock);
1863
1864 if (THIS_MODULE->state != MODULE_STATE_LIVE) {
1865 rc = -ENODEV;
1866 goto nodev;
1867 }
1868
1869 /* obtain physical netdev */
1870 if (netdev->priv_flags & IFF_802_1Q_VLAN)
1871 phys_dev = vlan_dev_real_dev(netdev);
1872 else {
1873 printk(KERN_ERR PFX "Not a vlan device\n");
1874 rc = -ENODEV;
1875 goto nodev;
1876 }
1877 /* verify if the physical device is a netxtreme2 device */
1878 if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) {
1879 memset(&drvinfo, 0, sizeof(drvinfo));
1880 phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo);
1881 if (strcmp(drvinfo.driver, "bnx2x")) {
1882 printk(KERN_ERR PFX "Not a netxtreme2 device\n");
1883 rc = -ENODEV;
1884 goto nodev;
1885 }
1886 } else {
1887 printk(KERN_ERR PFX "unable to obtain drv_info\n");
1888 rc = -ENODEV;
1889 goto nodev;
1890 }
1891
1892 /* obtain hba and initialize rest of the structure */
1893 hba = bnx2fc_hba_lookup(phys_dev);
1894 if (!hba || !hba->ctlr.lp) {
1895 rc = -ENODEV;
1896 printk(KERN_ERR PFX "bnx2fc_enable: hba or lport not found\n");
1897 } else if (!bnx2fc_link_ok(hba->ctlr.lp))
1898 fcoe_ctlr_link_up(&hba->ctlr);
1899
1900nodev:
1901 mutex_unlock(&bnx2fc_dev_lock);
1902 rtnl_unlock();
1903 return rc;
1904}
1905
1906/**
1907 * bnx2fc_create - Create bnx2fc FCoE interface
1908 *
1909 * @buffer: The name of Ethernet interface to create on
1910 * @kp: The associated kernel param
1911 *
1912 * Called from sysfs.
1913 *
1914 * Returns: 0 for success
1915 */
1916static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
1917{
1918 struct bnx2fc_hba *hba;
1919 struct net_device *phys_dev;
1920 struct fc_lport *lport;
1921 struct ethtool_drvinfo drvinfo;
1922 int rc = 0;
1923 int vlan_id;
1924
1925 BNX2FC_MISC_DBG("Entered bnx2fc_create\n");
1926 if (fip_mode != FIP_MODE_FABRIC) {
1927 printk(KERN_ERR "fip mode not FABRIC\n");
1928 return -EIO;
1929 }
1930
6702ca1d
NS		 1931 rtnl_lock();
1932
853e2bd2
BG		 1933 mutex_lock(&bnx2fc_dev_lock);
1934
1935#ifdef CONFIG_SCSI_BNX2X_FCOE_MODULE
1936 if (THIS_MODULE->state != MODULE_STATE_LIVE) {
1937 rc = -ENODEV;
1938 goto mod_err;
1939 }
1940#endif
1941
1942 if (!try_module_get(THIS_MODULE)) {
1943 rc = -EINVAL;
1944 goto mod_err;
1945 }
1946
1947 /* obtain physical netdev */
1948 if (netdev->priv_flags & IFF_802_1Q_VLAN) {
1949 phys_dev = vlan_dev_real_dev(netdev);
1950 vlan_id = vlan_dev_vlan_id(netdev);
1951 } else {
1952 printk(KERN_ERR PFX "Not a vlan device\n");
1953 rc = -EINVAL;
1954 goto netdev_err;
1955 }
1956 /* verify if the physical device is a netxtreme2 device */
1957 if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) {
1958 memset(&drvinfo, 0, sizeof(drvinfo));
1959 phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo);
1960 if (strcmp(drvinfo.driver, "bnx2x")) {
1961 printk(KERN_ERR PFX "Not a netxtreme2 device\n");
1962 rc = -EINVAL;
1963 goto netdev_err;
1964 }
1965 } else {
1966 printk(KERN_ERR PFX "unable to obtain drv_info\n");
1967 rc = -EINVAL;
1968 goto netdev_err;
1969 }
1970
1971 /* obtain hba and initialize rest of the structure */
1972 hba = bnx2fc_hba_lookup(phys_dev);
1973 if (!hba) {
1974 rc = -ENODEV;
1975 printk(KERN_ERR PFX "bnx2fc_create: hba not found\n");
1976 goto netdev_err;
1977 }
1978
1979 if (!test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done)) {
1980 rc = bnx2fc_fw_init(hba);
1981 if (rc)
1982 goto netdev_err;
1983 }
1984
1985 if (test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
1986 rc = -EEXIST;
1987 goto netdev_err;
1988 }
1989
1990 /* update netdev with vlan netdev */
1991 hba->netdev = netdev;
1992 hba->vlan_id = vlan_id;
1993 hba->vlan_enabled = 1;
1994
1995 rc = bnx2fc_interface_setup(hba, fip_mode);
1996 if (rc) {
1997 printk(KERN_ERR PFX "bnx2fc_interface_setup failed\n");
1998 goto ifput_err;
1999 }
2000
2001 hba->timer_work_queue =
2002 create_singlethread_workqueue("bnx2fc_timer_wq");
2003 if (!hba->timer_work_queue) {
2004 printk(KERN_ERR PFX "ulp_init could not create timer_wq\n");
2005 rc = -EINVAL;
2006 goto ifput_err;
2007 }
2008
2009 lport = bnx2fc_if_create(hba, &hba->pcidev->dev, 0);
2010 if (!lport) {
2011 printk(KERN_ERR PFX "Failed to create interface (%s)\n",
2012 netdev->name);
2013 bnx2fc_netdev_cleanup(hba);
2014 rc = -EINVAL;
2015 goto if_create_err;
2016 }
2017
2018 lport->boot_time = jiffies;
2019
2020 /* Make this master N_port */
2021 hba->ctlr.lp = lport;
2022
2023 set_bit(BNX2FC_CREATE_DONE, &hba->init_done);
2024 printk(KERN_ERR PFX "create: START DISC\n");
2025 bnx2fc_start_disc(hba);
2026 /*
2027 * Release from kref_init in bnx2fc_interface_setup, on success
2028 * lport should be holding a reference taken in bnx2fc_if_create
2029 */
2030 bnx2fc_interface_put(hba);
2031 /* put netdev that was held while calling dev_get_by_name */
2032 mutex_unlock(&bnx2fc_dev_lock);
2033 rtnl_unlock();
2034 return 0;
2035
2036if_create_err:
2037 destroy_workqueue(hba->timer_work_queue);
2038ifput_err:
2039 bnx2fc_interface_put(hba);
2040netdev_err:
2041 module_put(THIS_MODULE);
2042mod_err:
2043 mutex_unlock(&bnx2fc_dev_lock);
2044 rtnl_unlock();
2045 return rc;
2046}
2047
2048/**
2049 * bnx2fc_find_hba_for_cnic - maps cnic instance to bnx2fc adapter instance
2050 *
2051 * @cnic: Pointer to cnic device instance
2052 *
2053 **/
2054static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic)
2055{
2056 struct list_head *list;
2057 struct list_head *temp;
2058 struct bnx2fc_hba *hba;
2059
2060 /* Called with bnx2fc_dev_lock held */
2061 list_for_each_safe(list, temp, &adapter_list) {
2062 hba = (struct bnx2fc_hba *)list;
2063 if (hba->cnic == cnic)
2064 return hba;
2065 }
2066 return NULL;
2067}
2068
2069static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev)
2070{
2071 struct list_head *list;
2072 struct list_head *temp;
2073 struct bnx2fc_hba *hba;
2074
2075 /* Called with bnx2fc_dev_lock held */
2076 list_for_each_safe(list, temp, &adapter_list) {
2077 hba = (struct bnx2fc_hba *)list;
2078 if (hba->phys_dev == phys_dev)
2079 return hba;
2080 }
2081 printk(KERN_ERR PFX "hba_lookup: hba NULL\n");
2082 return NULL;
2083}
2084
2085/**
2086 * bnx2fc_ulp_exit - shuts down adapter instance and frees all resources
2087 *
2088 * @dev cnic device handle
2089 */
2090static void bnx2fc_ulp_exit(struct cnic_dev *dev)
2091{
2092 struct bnx2fc_hba *hba;
2093
2094 BNX2FC_MISC_DBG("Entered bnx2fc_ulp_exit\n");
2095
2096 if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
2097 printk(KERN_ERR PFX "bnx2fc port check: %s, flags: %lx\n",
2098 dev->netdev->name, dev->flags);
2099 return;
2100 }
2101
2102 mutex_lock(&bnx2fc_dev_lock);
2103 hba = bnx2fc_find_hba_for_cnic(dev);
2104 if (!hba) {
2105 printk(KERN_ERR PFX "bnx2fc_ulp_exit: hba not found, dev 0%p\n",
2106 dev);
2107 mutex_unlock(&bnx2fc_dev_lock);
2108 return;
2109 }
2110
2111 list_del_init(&hba->link);
2112 adapter_count--;
2113
2114 if (test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
2115 /* destroy not called yet, move to quiesced list */
2116 bnx2fc_netdev_cleanup(hba);
2117 bnx2fc_if_destroy(hba->ctlr.lp);
2118 }
2119 mutex_unlock(&bnx2fc_dev_lock);
2120
2121 bnx2fc_ulp_stop(hba);
2122 /* unregister cnic device */
2123 if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic))
2124 hba->cnic->unregister_device(hba->cnic, CNIC_ULP_FCOE);
2125 bnx2fc_interface_destroy(hba);
2126}
2127
2128/**
2129 * bnx2fc_fcoe_reset - Resets the fcoe
2130 *
2131 * @shost: shost the reset is from
2132 *
2133 * Returns: always 0
2134 */
2135static int bnx2fc_fcoe_reset(struct Scsi_Host *shost)
2136{
2137 struct fc_lport *lport = shost_priv(shost);
2138 fc_lport_reset(lport);
2139 return 0;
2140}
2141
2142
2143static bool bnx2fc_match(struct net_device *netdev)
2144{
2145 mutex_lock(&bnx2fc_dev_lock);
2146 if (netdev->priv_flags & IFF_802_1Q_VLAN) {
2147 struct net_device *phys_dev = vlan_dev_real_dev(netdev);
2148
2149 if (bnx2fc_hba_lookup(phys_dev)) {
2150 mutex_unlock(&bnx2fc_dev_lock);
2151 return true;
2152 }
2153 }
2154 mutex_unlock(&bnx2fc_dev_lock);
2155 return false;
2156}
2157
2158
2159static struct fcoe_transport bnx2fc_transport = {
2160 .name = {"bnx2fc"},
2161 .attached = false,
2162 .list = LIST_HEAD_INIT(bnx2fc_transport.list),
2163 .match = bnx2fc_match,
2164 .create = bnx2fc_create,
2165 .destroy = bnx2fc_destroy,
2166 .enable = bnx2fc_enable,
2167 .disable = bnx2fc_disable,
2168};
2169
2170/**
2171 * bnx2fc_percpu_thread_create - Create a receive thread for an
2172 * online CPU
2173 *
2174 * @cpu: cpu index for the online cpu
2175 */
2176static void bnx2fc_percpu_thread_create(unsigned int cpu)
2177{
2178 struct bnx2fc_percpu_s *p;
2179 struct task_struct *thread;
2180
2181 p = &per_cpu(bnx2fc_percpu, cpu);
2182
2183 thread = kthread_create(bnx2fc_percpu_io_thread,
2184 (void *)p,
2185 "bnx2fc_thread/%d", cpu);
2186 /* bind thread to the cpu */
2187 if (likely(!IS_ERR(p->iothread))) {
2188 kthread_bind(thread, cpu);
2189 p->iothread = thread;
2190 wake_up_process(thread);
2191 }
2192}
2193
2194static void bnx2fc_percpu_thread_destroy(unsigned int cpu)
2195{
2196 struct bnx2fc_percpu_s *p;
2197 struct task_struct *thread;
2198 struct bnx2fc_work *work, *tmp;
2199 LIST_HEAD(work_list);
2200
2201 BNX2FC_MISC_DBG("destroying io thread for CPU %d\n", cpu);
2202
2203 /* Prevent any new work from being queued for this CPU */
2204 p = &per_cpu(bnx2fc_percpu, cpu);
2205 spin_lock_bh(&p->fp_work_lock);
2206 thread = p->iothread;
2207 p->iothread = NULL;
2208
2209
2210 /* Free all work in the list */
2211 list_for_each_entry_safe(work, tmp, &work_list, list) {
2212 list_del_init(&work->list);
2213 bnx2fc_process_cq_compl(work->tgt, work->wqe);
2214 kfree(work);
2215 }
2216
2217 spin_unlock_bh(&p->fp_work_lock);
2218
2219 if (thread)
2220 kthread_stop(thread);
2221}
2222
2223/**
2224 * bnx2fc_cpu_callback - Handler for CPU hotplug events
2225 *
2226 * @nfb: The callback data block
2227 * @action: The event triggering the callback
2228 * @hcpu: The index of the CPU that the event is for
2229 *
2230 * This creates or destroys per-CPU data for fcoe
2231 *
2232 * Returns NOTIFY_OK always.
2233 */
2234static int bnx2fc_cpu_callback(struct notifier_block *nfb,
2235 unsigned long action, void *hcpu)
2236{
2237 unsigned cpu = (unsigned long)hcpu;
2238
2239 switch (action) {
2240 case CPU_ONLINE:
2241 case CPU_ONLINE_FROZEN:
2242 printk(PFX "CPU %x online: Create Rx thread\n", cpu);
2243 bnx2fc_percpu_thread_create(cpu);
2244 break;
2245 case CPU_DEAD:
2246 case CPU_DEAD_FROZEN:
2247 printk(PFX "CPU %x offline: Remove Rx thread\n", cpu);
2248 bnx2fc_percpu_thread_destroy(cpu);
2249 break;
2250 default:
2251 break;
2252 }
2253 return NOTIFY_OK;
2254}
2255
2256/**
2257 * bnx2fc_mod_init - module init entry point
2258 *
2259 * Initialize driver wide global data structures, and register
2260 * with cnic module
2261 **/
2262static int __init bnx2fc_mod_init(void)
2263{
2264 struct fcoe_percpu_s *bg;
2265 struct task_struct *l2_thread;
2266 int rc = 0;
2267 unsigned int cpu = 0;
2268 struct bnx2fc_percpu_s *p;
2269
2270 printk(KERN_INFO PFX "%s", version);
2271
2272 /* register as a fcoe transport */
2273 rc = fcoe_transport_attach(&bnx2fc_transport);
2274 if (rc) {
2275 printk(KERN_ERR "failed to register an fcoe transport, check "
2276 "if libfcoe is loaded\n");
2277 goto out;
2278 }
2279
2280 INIT_LIST_HEAD(&adapter_list);
2281 mutex_init(&bnx2fc_dev_lock);
2282 adapter_count = 0;
2283
2284 /* Attach FC transport template */
2285 rc = bnx2fc_attach_transport();
2286 if (rc)
2287 goto detach_ft;
2288
2289 bnx2fc_wq = alloc_workqueue("bnx2fc", 0, 0);
2290 if (!bnx2fc_wq) {
2291 rc = -ENOMEM;
2292 goto release_bt;
2293 }
2294
2295 bg = &bnx2fc_global;
2296 skb_queue_head_init(&bg->fcoe_rx_list);
2297 l2_thread = kthread_create(bnx2fc_l2_rcv_thread,
2298 (void *)bg,
2299 "bnx2fc_l2_thread");
2300 if (IS_ERR(l2_thread)) {
2301 rc = PTR_ERR(l2_thread);
2302 goto free_wq;
2303 }
2304 wake_up_process(l2_thread);
2305 spin_lock_bh(&bg->fcoe_rx_list.lock);
2306 bg->thread = l2_thread;
2307 spin_unlock_bh(&bg->fcoe_rx_list.lock);
2308
2309 for_each_possible_cpu(cpu) {
2310 p = &per_cpu(bnx2fc_percpu, cpu);
2311 INIT_LIST_HEAD(&p->work_list);
2312 spin_lock_init(&p->fp_work_lock);
2313 }
2314
2315 for_each_online_cpu(cpu) {
2316 bnx2fc_percpu_thread_create(cpu);
2317 }
2318
2319 /* Initialize per CPU interrupt thread */
2320 register_hotcpu_notifier(&bnx2fc_cpu_notifier);
2321
2322 cnic_register_driver(CNIC_ULP_FCOE, &bnx2fc_cnic_cb);
2323
2324 return 0;
2325
2326free_wq:
2327 destroy_workqueue(bnx2fc_wq);
2328release_bt:
2329 bnx2fc_release_transport();
2330detach_ft:
2331 fcoe_transport_detach(&bnx2fc_transport);
2332out:
2333 return rc;
2334}
2335
2336static void __exit bnx2fc_mod_exit(void)
2337{
2338 LIST_HEAD(to_be_deleted);
2339 struct bnx2fc_hba *hba, *next;
2340 struct fcoe_percpu_s *bg;
2341 struct task_struct *l2_thread;
2342 struct sk_buff *skb;
2343 unsigned int cpu = 0;
2344
2345 /*
2346 * NOTE: Since cnic calls register_driver routine rtnl_lock,
2347 * it will have higher precedence than bnx2fc_dev_lock.
2348 * unregister_device() cannot be called with bnx2fc_dev_lock
2349 * held.
2350 */
2351 mutex_lock(&bnx2fc_dev_lock);
2352 list_splice(&adapter_list, &to_be_deleted);
2353 INIT_LIST_HEAD(&adapter_list);
2354 adapter_count = 0;
2355 mutex_unlock(&bnx2fc_dev_lock);
2356
2357 /* Unregister with cnic */
2358 list_for_each_entry_safe(hba, next, &to_be_deleted, link) {
2359 list_del_init(&hba->link);
2360 printk(KERN_ERR PFX "MOD_EXIT:destroy hba = 0x%p, kref = %d\n",
2361 hba, atomic_read(&hba->kref.refcount));
2362 bnx2fc_ulp_stop(hba);
2363 /* unregister cnic device */
2364 if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED,
2365 &hba->reg_with_cnic))
2366 hba->cnic->unregister_device(hba->cnic, CNIC_ULP_FCOE);
2367 bnx2fc_interface_destroy(hba);
2368 }
2369 cnic_unregister_driver(CNIC_ULP_FCOE);
2370
2371 /* Destroy global thread */
2372 bg = &bnx2fc_global;
2373 spin_lock_bh(&bg->fcoe_rx_list.lock);
2374 l2_thread = bg->thread;
2375 bg->thread = NULL;
2376 while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL)
2377 kfree_skb(skb);
2378
2379 spin_unlock_bh(&bg->fcoe_rx_list.lock);
2380
2381 if (l2_thread)
2382 kthread_stop(l2_thread);
2383
2384 unregister_hotcpu_notifier(&bnx2fc_cpu_notifier);
2385
2386 /* Destroy per cpu threads */
2387 for_each_online_cpu(cpu) {
2388 bnx2fc_percpu_thread_destroy(cpu);
2389 }
2390
2391 destroy_workqueue(bnx2fc_wq);
2392 /*
2393 * detach from scsi transport
2394 * must happen after all destroys are done
2395 */
2396 bnx2fc_release_transport();
2397
2398 /* detach from fcoe transport */
2399 fcoe_transport_detach(&bnx2fc_transport);
2400}
2401
2402module_init(bnx2fc_mod_init);
2403module_exit(bnx2fc_mod_exit);
2404
2405static struct fc_function_template bnx2fc_transport_function = {
2406 .show_host_node_name = 1,
2407 .show_host_port_name = 1,
2408 .show_host_supported_classes = 1,
2409 .show_host_supported_fc4s = 1,
2410 .show_host_active_fc4s = 1,
2411 .show_host_maxframe_size = 1,
2412
2413 .show_host_port_id = 1,
2414 .show_host_supported_speeds = 1,
2415 .get_host_speed = fc_get_host_speed,
2416 .show_host_speed = 1,
2417 .show_host_port_type = 1,
2418 .get_host_port_state = fc_get_host_port_state,
2419 .show_host_port_state = 1,
2420 .show_host_symbolic_name = 1,
2421
2422 .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) +
2423 sizeof(struct bnx2fc_rport)),
2424 .show_rport_maxframe_size = 1,
2425 .show_rport_supported_classes = 1,
2426
2427 .show_host_fabric_name = 1,
2428 .show_starget_node_name = 1,
2429 .show_starget_port_name = 1,
2430 .show_starget_port_id = 1,
2431 .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo,
2432 .show_rport_dev_loss_tmo = 1,
2433 .get_fc_host_stats = bnx2fc_get_host_stats,
2434
2435 .issue_fc_host_lip = bnx2fc_fcoe_reset,
2436
2437 .terminate_rport_io = fc_rport_terminate_io,
2438
2439 .vport_create = bnx2fc_vport_create,
2440 .vport_delete = bnx2fc_vport_destroy,
2441 .vport_disable = bnx2fc_vport_disable,
2442};
2443
2444static struct fc_function_template bnx2fc_vport_xport_function = {
2445 .show_host_node_name = 1,
2446 .show_host_port_name = 1,
2447 .show_host_supported_classes = 1,
2448 .show_host_supported_fc4s = 1,
2449 .show_host_active_fc4s = 1,
2450 .show_host_maxframe_size = 1,
2451
2452 .show_host_port_id = 1,
2453 .show_host_supported_speeds = 1,
2454 .get_host_speed = fc_get_host_speed,
2455 .show_host_speed = 1,
2456 .show_host_port_type = 1,
2457 .get_host_port_state = fc_get_host_port_state,
2458 .show_host_port_state = 1,
2459 .show_host_symbolic_name = 1,
2460
2461 .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) +
2462 sizeof(struct bnx2fc_rport)),
2463 .show_rport_maxframe_size = 1,
2464 .show_rport_supported_classes = 1,
2465
2466 .show_host_fabric_name = 1,
2467 .show_starget_node_name = 1,
2468 .show_starget_port_name = 1,
2469 .show_starget_port_id = 1,
2470 .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo,
2471 .show_rport_dev_loss_tmo = 1,
2472 .get_fc_host_stats = fc_get_host_stats,
2473 .issue_fc_host_lip = bnx2fc_fcoe_reset,
2474 .terminate_rport_io = fc_rport_terminate_io,
2475};
2476
2477/**
2478 * scsi_host_template structure used while registering with SCSI-ml
2479 */
2480static struct scsi_host_template bnx2fc_shost_template = {
2481 .module = THIS_MODULE,
2482 .name = "Broadcom Offload FCoE Initiator",
2483 .queuecommand = bnx2fc_queuecommand,
2484 .eh_abort_handler = bnx2fc_eh_abort, /* abts */
2485 .eh_device_reset_handler = bnx2fc_eh_device_reset, /* lun reset */
2486 .eh_target_reset_handler = bnx2fc_eh_target_reset, /* tgt reset */
2487 .eh_host_reset_handler = fc_eh_host_reset,
2488 .slave_alloc = fc_slave_alloc,
2489 .change_queue_depth = fc_change_queue_depth,
2490 .change_queue_type = fc_change_queue_type,
2491 .this_id = -1,
2492 .cmd_per_lun = 3,
0ea5c275 2493 .can_queue = BNX2FC_CAN_QUEUE,
853e2bd2
BG		 2494 .use_clustering = ENABLE_CLUSTERING,
2495 .sg_tablesize = BNX2FC_MAX_BDS_PER_CMD,
2496 .max_sectors = 512,
2497};
2498
2499static struct libfc_function_template bnx2fc_libfc_fcn_templ = {
2500 .frame_send = bnx2fc_xmit,
2501 .elsct_send = bnx2fc_elsct_send,
2502 .fcp_abort_io = bnx2fc_abort_io,
2503 .fcp_cleanup = bnx2fc_cleanup,
2504 .rport_event_callback = bnx2fc_rport_event_handler,
2505};
2506
2507/**
2508 * bnx2fc_cnic_cb - global template of bnx2fc - cnic driver interface
2509 * structure carrying callback function pointers
2510 */
2511static struct cnic_ulp_ops bnx2fc_cnic_cb = {
2512 .owner = THIS_MODULE,
2513 .cnic_init = bnx2fc_ulp_init,
2514 .cnic_exit = bnx2fc_ulp_exit,
2515 .cnic_start = bnx2fc_ulp_start,
2516 .cnic_stop = bnx2fc_ulp_stop,
2517 .indicate_kcqes = bnx2fc_indicate_kcqe,
2518 .indicate_netevent = bnx2fc_indicate_netevent,
2519};
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