Commit | Line | Data |
---|---|---|
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 | * | |
9b35baae | 6 | * Copyright (c) 2008 - 2011 Broadcom Corporation |
853e2bd2 BG |
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 | ||
17 | static struct list_head adapter_list; | |
aea71a02 | 18 | static struct list_head if_list; |
853e2bd2 BG |
19 | static u32 adapter_count; |
20 | static DEFINE_MUTEX(bnx2fc_dev_lock); | |
21 | DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu); | |
22 | ||
23 | #define DRV_MODULE_NAME "bnx2fc" | |
24 | #define DRV_MODULE_VERSION BNX2FC_VERSION | |
9b35baae | 25 | #define DRV_MODULE_RELDATE "Jun 23, 2011" |
853e2bd2 BG |
26 | |
27 | ||
28 | static char version[] __devinitdata = | |
29 | "Broadcom NetXtreme II FCoE Driver " DRV_MODULE_NAME \ | |
30 | " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; | |
31 | ||
32 | ||
33 | MODULE_AUTHOR("Bhanu Prakash Gollapudi <bprakash@broadcom.com>"); | |
34 | MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 FCoE Driver"); | |
35 | MODULE_LICENSE("GPL"); | |
36 | MODULE_VERSION(DRV_MODULE_VERSION); | |
37 | ||
38 | #define BNX2FC_MAX_QUEUE_DEPTH 256 | |
39 | #define BNX2FC_MIN_QUEUE_DEPTH 32 | |
40 | #define FCOE_WORD_TO_BYTE 4 | |
41 | ||
42 | static struct scsi_transport_template *bnx2fc_transport_template; | |
43 | static struct scsi_transport_template *bnx2fc_vport_xport_template; | |
44 | ||
45 | struct workqueue_struct *bnx2fc_wq; | |
46 | ||
47 | /* bnx2fc structure needs only one instance of the fcoe_percpu_s structure. | |
48 | * Here the io threads are per cpu but the l2 thread is just one | |
49 | */ | |
50 | struct fcoe_percpu_s bnx2fc_global; | |
51 | DEFINE_SPINLOCK(bnx2fc_global_lock); | |
52 | ||
53 | static struct cnic_ulp_ops bnx2fc_cnic_cb; | |
54 | static struct libfc_function_template bnx2fc_libfc_fcn_templ; | |
55 | static struct scsi_host_template bnx2fc_shost_template; | |
56 | static struct fc_function_template bnx2fc_transport_function; | |
57 | static struct fc_function_template bnx2fc_vport_xport_function; | |
58 | static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode); | |
59 | static int bnx2fc_destroy(struct net_device *net_device); | |
60 | static int bnx2fc_enable(struct net_device *netdev); | |
61 | static int bnx2fc_disable(struct net_device *netdev); | |
62 | ||
63 | static void bnx2fc_recv_frame(struct sk_buff *skb); | |
64 | ||
aea71a02 | 65 | static void bnx2fc_start_disc(struct bnx2fc_interface *interface); |
853e2bd2 BG |
66 | static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev); |
67 | static int bnx2fc_net_config(struct fc_lport *lp); | |
68 | static int bnx2fc_lport_config(struct fc_lport *lport); | |
69 | static int bnx2fc_em_config(struct fc_lport *lport); | |
70 | static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba); | |
71 | static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba); | |
72 | static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba); | |
73 | static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba); | |
aea71a02 | 74 | static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface, |
853e2bd2 BG |
75 | struct device *parent, int npiv); |
76 | static void bnx2fc_destroy_work(struct work_struct *work); | |
77 | ||
78 | static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev); | |
aea71a02 BPG |
79 | static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device |
80 | *phys_dev); | |
853e2bd2 BG |
81 | static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic); |
82 | ||
83 | static int bnx2fc_fw_init(struct bnx2fc_hba *hba); | |
84 | static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba); | |
85 | ||
86 | static void bnx2fc_port_shutdown(struct fc_lport *lport); | |
aea71a02 | 87 | static void bnx2fc_stop(struct bnx2fc_interface *interface); |
853e2bd2 BG |
88 | static int __init bnx2fc_mod_init(void); |
89 | static void __exit bnx2fc_mod_exit(void); | |
90 | ||
91 | unsigned int bnx2fc_debug_level; | |
92 | module_param_named(debug_logging, bnx2fc_debug_level, int, S_IRUGO|S_IWUSR); | |
93 | ||
94 | static int bnx2fc_cpu_callback(struct notifier_block *nfb, | |
95 | unsigned long action, void *hcpu); | |
96 | /* notification function for CPU hotplug events */ | |
97 | static struct notifier_block bnx2fc_cpu_notifier = { | |
98 | .notifier_call = bnx2fc_cpu_callback, | |
99 | }; | |
100 | ||
101 | static void bnx2fc_clean_rx_queue(struct fc_lport *lp) | |
102 | { | |
103 | struct fcoe_percpu_s *bg; | |
104 | struct fcoe_rcv_info *fr; | |
105 | struct sk_buff_head *list; | |
106 | struct sk_buff *skb, *next; | |
107 | struct sk_buff *head; | |
108 | ||
109 | bg = &bnx2fc_global; | |
110 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
111 | list = &bg->fcoe_rx_list; | |
112 | head = list->next; | |
113 | for (skb = head; skb != (struct sk_buff *)list; | |
114 | skb = next) { | |
115 | next = skb->next; | |
116 | fr = fcoe_dev_from_skb(skb); | |
117 | if (fr->fr_dev == lp) { | |
118 | __skb_unlink(skb, list); | |
119 | kfree_skb(skb); | |
120 | } | |
121 | } | |
122 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
123 | } | |
124 | ||
125 | int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen) | |
126 | { | |
127 | int rc; | |
128 | spin_lock(&bnx2fc_global_lock); | |
129 | rc = fcoe_get_paged_crc_eof(skb, tlen, &bnx2fc_global); | |
130 | spin_unlock(&bnx2fc_global_lock); | |
131 | ||
132 | return rc; | |
133 | } | |
134 | ||
135 | static void bnx2fc_abort_io(struct fc_lport *lport) | |
136 | { | |
137 | /* | |
138 | * This function is no-op for bnx2fc, but we do | |
139 | * not want to leave it as NULL either, as libfc | |
140 | * can call the default function which is | |
141 | * fc_fcp_abort_io. | |
142 | */ | |
143 | } | |
144 | ||
145 | static void bnx2fc_cleanup(struct fc_lport *lport) | |
146 | { | |
147 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 BPG |
148 | struct bnx2fc_interface *interface = port->priv; |
149 | struct bnx2fc_hba *hba = interface->hba; | |
853e2bd2 BG |
150 | struct bnx2fc_rport *tgt; |
151 | int i; | |
152 | ||
153 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
154 | mutex_lock(&hba->hba_mutex); | |
155 | spin_lock_bh(&hba->hba_lock); | |
156 | for (i = 0; i < BNX2FC_NUM_MAX_SESS; i++) { | |
157 | tgt = hba->tgt_ofld_list[i]; | |
158 | if (tgt) { | |
159 | /* Cleanup IOs belonging to requested vport */ | |
160 | if (tgt->port == port) { | |
161 | spin_unlock_bh(&hba->hba_lock); | |
162 | BNX2FC_TGT_DBG(tgt, "flush/cleanup\n"); | |
163 | bnx2fc_flush_active_ios(tgt); | |
164 | spin_lock_bh(&hba->hba_lock); | |
165 | } | |
166 | } | |
167 | } | |
168 | spin_unlock_bh(&hba->hba_lock); | |
169 | mutex_unlock(&hba->hba_mutex); | |
170 | } | |
171 | ||
172 | static int bnx2fc_xmit_l2_frame(struct bnx2fc_rport *tgt, | |
173 | struct fc_frame *fp) | |
174 | { | |
175 | struct fc_rport_priv *rdata = tgt->rdata; | |
176 | struct fc_frame_header *fh; | |
177 | int rc = 0; | |
178 | ||
179 | fh = fc_frame_header_get(fp); | |
180 | BNX2FC_TGT_DBG(tgt, "Xmit L2 frame rport = 0x%x, oxid = 0x%x, " | |
181 | "r_ctl = 0x%x\n", rdata->ids.port_id, | |
182 | ntohs(fh->fh_ox_id), fh->fh_r_ctl); | |
183 | if ((fh->fh_type == FC_TYPE_ELS) && | |
184 | (fh->fh_r_ctl == FC_RCTL_ELS_REQ)) { | |
185 | ||
186 | switch (fc_frame_payload_op(fp)) { | |
187 | case ELS_ADISC: | |
188 | rc = bnx2fc_send_adisc(tgt, fp); | |
189 | break; | |
190 | case ELS_LOGO: | |
191 | rc = bnx2fc_send_logo(tgt, fp); | |
192 | break; | |
193 | case ELS_RLS: | |
194 | rc = bnx2fc_send_rls(tgt, fp); | |
195 | break; | |
196 | default: | |
197 | break; | |
198 | } | |
199 | } else if ((fh->fh_type == FC_TYPE_BLS) && | |
200 | (fh->fh_r_ctl == FC_RCTL_BA_ABTS)) | |
201 | BNX2FC_TGT_DBG(tgt, "ABTS frame\n"); | |
202 | else { | |
203 | BNX2FC_TGT_DBG(tgt, "Send L2 frame type 0x%x " | |
204 | "rctl 0x%x thru non-offload path\n", | |
205 | fh->fh_type, fh->fh_r_ctl); | |
206 | return -ENODEV; | |
207 | } | |
208 | if (rc) | |
209 | return -ENOMEM; | |
210 | else | |
211 | return 0; | |
212 | } | |
213 | ||
214 | /** | |
215 | * bnx2fc_xmit - bnx2fc's FCoE frame transmit function | |
216 | * | |
217 | * @lport: the associated local port | |
218 | * @fp: the fc_frame to be transmitted | |
219 | */ | |
220 | static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp) | |
221 | { | |
222 | struct ethhdr *eh; | |
223 | struct fcoe_crc_eof *cp; | |
224 | struct sk_buff *skb; | |
225 | struct fc_frame_header *fh; | |
aea71a02 BPG |
226 | struct bnx2fc_interface *interface; |
227 | struct bnx2fc_hba *hba; | |
853e2bd2 BG |
228 | struct fcoe_port *port; |
229 | struct fcoe_hdr *hp; | |
230 | struct bnx2fc_rport *tgt; | |
231 | struct fcoe_dev_stats *stats; | |
232 | u8 sof, eof; | |
233 | u32 crc; | |
234 | unsigned int hlen, tlen, elen; | |
235 | int wlen, rc = 0; | |
236 | ||
237 | port = (struct fcoe_port *)lport_priv(lport); | |
aea71a02 BPG |
238 | interface = port->priv; |
239 | hba = interface->hba; | |
853e2bd2 BG |
240 | |
241 | fh = fc_frame_header_get(fp); | |
242 | ||
243 | skb = fp_skb(fp); | |
244 | if (!lport->link_up) { | |
245 | BNX2FC_HBA_DBG(lport, "bnx2fc_xmit link down\n"); | |
246 | kfree_skb(skb); | |
247 | return 0; | |
248 | } | |
249 | ||
250 | if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ)) { | |
aea71a02 | 251 | if (!interface->ctlr.sel_fcf) { |
853e2bd2 BG |
252 | BNX2FC_HBA_DBG(lport, "FCF not selected yet!\n"); |
253 | kfree_skb(skb); | |
254 | return -EINVAL; | |
255 | } | |
aea71a02 | 256 | if (fcoe_ctlr_els_send(&interface->ctlr, lport, skb)) |
853e2bd2 BG |
257 | return 0; |
258 | } | |
259 | ||
260 | sof = fr_sof(fp); | |
261 | eof = fr_eof(fp); | |
262 | ||
263 | /* | |
264 | * Snoop the frame header to check if the frame is for | |
265 | * an offloaded session | |
266 | */ | |
267 | /* | |
268 | * tgt_ofld_list access is synchronized using | |
269 | * both hba mutex and hba lock. Atleast hba mutex or | |
270 | * hba lock needs to be held for read access. | |
271 | */ | |
272 | ||
273 | spin_lock_bh(&hba->hba_lock); | |
274 | tgt = bnx2fc_tgt_lookup(port, ntoh24(fh->fh_d_id)); | |
275 | if (tgt && (test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags))) { | |
276 | /* This frame is for offloaded session */ | |
277 | BNX2FC_HBA_DBG(lport, "xmit: Frame is for offloaded session " | |
278 | "port_id = 0x%x\n", ntoh24(fh->fh_d_id)); | |
279 | spin_unlock_bh(&hba->hba_lock); | |
280 | rc = bnx2fc_xmit_l2_frame(tgt, fp); | |
281 | if (rc != -ENODEV) { | |
282 | kfree_skb(skb); | |
283 | return rc; | |
284 | } | |
285 | } else { | |
286 | spin_unlock_bh(&hba->hba_lock); | |
287 | } | |
288 | ||
289 | elen = sizeof(struct ethhdr); | |
290 | hlen = sizeof(struct fcoe_hdr); | |
291 | tlen = sizeof(struct fcoe_crc_eof); | |
292 | wlen = (skb->len - tlen + sizeof(crc)) / FCOE_WORD_TO_BYTE; | |
293 | ||
294 | skb->ip_summed = CHECKSUM_NONE; | |
295 | crc = fcoe_fc_crc(fp); | |
296 | ||
297 | /* copy port crc and eof to the skb buff */ | |
298 | if (skb_is_nonlinear(skb)) { | |
299 | skb_frag_t *frag; | |
300 | if (bnx2fc_get_paged_crc_eof(skb, tlen)) { | |
301 | kfree_skb(skb); | |
302 | return -ENOMEM; | |
303 | } | |
304 | frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1]; | |
94b06fdb | 305 | cp = kmap_atomic(skb_frag_page(frag), KM_SKB_DATA_SOFTIRQ) |
853e2bd2 BG |
306 | + frag->page_offset; |
307 | } else { | |
308 | cp = (struct fcoe_crc_eof *)skb_put(skb, tlen); | |
309 | } | |
310 | ||
311 | memset(cp, 0, sizeof(*cp)); | |
312 | cp->fcoe_eof = eof; | |
313 | cp->fcoe_crc32 = cpu_to_le32(~crc); | |
314 | if (skb_is_nonlinear(skb)) { | |
315 | kunmap_atomic(cp, KM_SKB_DATA_SOFTIRQ); | |
316 | cp = NULL; | |
317 | } | |
318 | ||
319 | /* adjust skb network/transport offsets to match mac/fcoe/port */ | |
320 | skb_push(skb, elen + hlen); | |
321 | skb_reset_mac_header(skb); | |
322 | skb_reset_network_header(skb); | |
323 | skb->mac_len = elen; | |
324 | skb->protocol = htons(ETH_P_FCOE); | |
aea71a02 | 325 | skb->dev = interface->netdev; |
853e2bd2 BG |
326 | |
327 | /* fill up mac and fcoe headers */ | |
328 | eh = eth_hdr(skb); | |
329 | eh->h_proto = htons(ETH_P_FCOE); | |
aea71a02 | 330 | if (interface->ctlr.map_dest) |
853e2bd2 BG |
331 | fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id); |
332 | else | |
333 | /* insert GW address */ | |
aea71a02 | 334 | memcpy(eh->h_dest, interface->ctlr.dest_addr, ETH_ALEN); |
853e2bd2 | 335 | |
aea71a02 BPG |
336 | if (unlikely(interface->ctlr.flogi_oxid != FC_XID_UNKNOWN)) |
337 | memcpy(eh->h_source, interface->ctlr.ctl_src_addr, ETH_ALEN); | |
853e2bd2 BG |
338 | else |
339 | memcpy(eh->h_source, port->data_src_addr, ETH_ALEN); | |
340 | ||
341 | hp = (struct fcoe_hdr *)(eh + 1); | |
342 | memset(hp, 0, sizeof(*hp)); | |
343 | if (FC_FCOE_VER) | |
344 | FC_FCOE_ENCAPS_VER(hp, FC_FCOE_VER); | |
345 | hp->fcoe_sof = sof; | |
346 | ||
347 | /* fcoe lso, mss is in max_payload which is non-zero for FCP data */ | |
348 | if (lport->seq_offload && fr_max_payload(fp)) { | |
349 | skb_shinfo(skb)->gso_type = SKB_GSO_FCOE; | |
350 | skb_shinfo(skb)->gso_size = fr_max_payload(fp); | |
351 | } else { | |
352 | skb_shinfo(skb)->gso_type = 0; | |
353 | skb_shinfo(skb)->gso_size = 0; | |
354 | } | |
355 | ||
356 | /*update tx stats */ | |
357 | stats = per_cpu_ptr(lport->dev_stats, get_cpu()); | |
358 | stats->TxFrames++; | |
359 | stats->TxWords += wlen; | |
360 | put_cpu(); | |
361 | ||
362 | /* send down to lld */ | |
363 | fr_dev(fp) = lport; | |
364 | if (port->fcoe_pending_queue.qlen) | |
365 | fcoe_check_wait_queue(lport, skb); | |
366 | else if (fcoe_start_io(skb)) | |
367 | fcoe_check_wait_queue(lport, skb); | |
368 | ||
369 | return 0; | |
370 | } | |
371 | ||
372 | /** | |
373 | * bnx2fc_rcv - This is bnx2fc's receive function called by NET_RX_SOFTIRQ | |
374 | * | |
375 | * @skb: the receive socket buffer | |
376 | * @dev: associated net device | |
377 | * @ptype: context | |
378 | * @olddev: last device | |
379 | * | |
380 | * This function receives the packet and builds FC frame and passes it up | |
381 | */ | |
382 | static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev, | |
383 | struct packet_type *ptype, struct net_device *olddev) | |
384 | { | |
385 | struct fc_lport *lport; | |
aea71a02 | 386 | struct bnx2fc_interface *interface; |
853e2bd2 BG |
387 | struct fc_frame_header *fh; |
388 | struct fcoe_rcv_info *fr; | |
389 | struct fcoe_percpu_s *bg; | |
390 | unsigned short oxid; | |
391 | ||
aea71a02 BPG |
392 | interface = container_of(ptype, struct bnx2fc_interface, |
393 | fcoe_packet_type); | |
394 | lport = interface->ctlr.lp; | |
853e2bd2 BG |
395 | |
396 | if (unlikely(lport == NULL)) { | |
b2a554ff | 397 | printk(KERN_ERR PFX "bnx2fc_rcv: lport is NULL\n"); |
853e2bd2 BG |
398 | goto err; |
399 | } | |
400 | ||
401 | if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) { | |
b2a554ff | 402 | printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n"); |
853e2bd2 BG |
403 | goto err; |
404 | } | |
405 | ||
406 | /* | |
407 | * Check for minimum frame length, and make sure required FCoE | |
408 | * and FC headers are pulled into the linear data area. | |
409 | */ | |
410 | if (unlikely((skb->len < FCOE_MIN_FRAME) || | |
411 | !pskb_may_pull(skb, FCOE_HEADER_LEN))) | |
412 | goto err; | |
413 | ||
414 | skb_set_transport_header(skb, sizeof(struct fcoe_hdr)); | |
415 | fh = (struct fc_frame_header *) skb_transport_header(skb); | |
416 | ||
417 | oxid = ntohs(fh->fh_ox_id); | |
418 | ||
419 | fr = fcoe_dev_from_skb(skb); | |
420 | fr->fr_dev = lport; | |
853e2bd2 BG |
421 | |
422 | bg = &bnx2fc_global; | |
423 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
424 | ||
425 | __skb_queue_tail(&bg->fcoe_rx_list, skb); | |
426 | if (bg->fcoe_rx_list.qlen == 1) | |
427 | wake_up_process(bg->thread); | |
428 | ||
429 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
430 | ||
431 | return 0; | |
432 | err: | |
433 | kfree_skb(skb); | |
434 | return -1; | |
435 | } | |
436 | ||
437 | static int bnx2fc_l2_rcv_thread(void *arg) | |
438 | { | |
439 | struct fcoe_percpu_s *bg = arg; | |
440 | struct sk_buff *skb; | |
441 | ||
442 | set_user_nice(current, -20); | |
443 | set_current_state(TASK_INTERRUPTIBLE); | |
444 | while (!kthread_should_stop()) { | |
445 | schedule(); | |
853e2bd2 BG |
446 | spin_lock_bh(&bg->fcoe_rx_list.lock); |
447 | while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL) { | |
448 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
449 | bnx2fc_recv_frame(skb); | |
450 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
451 | } | |
fee78712 | 452 | __set_current_state(TASK_INTERRUPTIBLE); |
853e2bd2 | 453 | spin_unlock_bh(&bg->fcoe_rx_list.lock); |
853e2bd2 | 454 | } |
fee78712 | 455 | __set_current_state(TASK_RUNNING); |
853e2bd2 BG |
456 | return 0; |
457 | } | |
458 | ||
459 | ||
460 | static void bnx2fc_recv_frame(struct sk_buff *skb) | |
461 | { | |
462 | u32 fr_len; | |
463 | struct fc_lport *lport; | |
464 | struct fcoe_rcv_info *fr; | |
465 | struct fcoe_dev_stats *stats; | |
466 | struct fc_frame_header *fh; | |
467 | struct fcoe_crc_eof crc_eof; | |
468 | struct fc_frame *fp; | |
469 | struct fc_lport *vn_port; | |
470 | struct fcoe_port *port; | |
471 | u8 *mac = NULL; | |
472 | u8 *dest_mac = NULL; | |
473 | struct fcoe_hdr *hp; | |
474 | ||
475 | fr = fcoe_dev_from_skb(skb); | |
476 | lport = fr->fr_dev; | |
477 | if (unlikely(lport == NULL)) { | |
b2a554ff | 478 | printk(KERN_ERR PFX "Invalid lport struct\n"); |
853e2bd2 BG |
479 | kfree_skb(skb); |
480 | return; | |
481 | } | |
482 | ||
483 | if (skb_is_nonlinear(skb)) | |
484 | skb_linearize(skb); | |
485 | mac = eth_hdr(skb)->h_source; | |
486 | dest_mac = eth_hdr(skb)->h_dest; | |
487 | ||
488 | /* Pull the header */ | |
489 | hp = (struct fcoe_hdr *) skb_network_header(skb); | |
490 | fh = (struct fc_frame_header *) skb_transport_header(skb); | |
491 | skb_pull(skb, sizeof(struct fcoe_hdr)); | |
492 | fr_len = skb->len - sizeof(struct fcoe_crc_eof); | |
493 | ||
494 | stats = per_cpu_ptr(lport->dev_stats, get_cpu()); | |
495 | stats->RxFrames++; | |
496 | stats->RxWords += fr_len / FCOE_WORD_TO_BYTE; | |
497 | ||
498 | fp = (struct fc_frame *)skb; | |
499 | fc_frame_init(fp); | |
500 | fr_dev(fp) = lport; | |
501 | fr_sof(fp) = hp->fcoe_sof; | |
502 | if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) { | |
503 | put_cpu(); | |
504 | kfree_skb(skb); | |
505 | return; | |
506 | } | |
507 | fr_eof(fp) = crc_eof.fcoe_eof; | |
508 | fr_crc(fp) = crc_eof.fcoe_crc32; | |
509 | if (pskb_trim(skb, fr_len)) { | |
510 | put_cpu(); | |
511 | kfree_skb(skb); | |
512 | return; | |
513 | } | |
514 | ||
515 | fh = fc_frame_header_get(fp); | |
516 | ||
517 | vn_port = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id)); | |
518 | if (vn_port) { | |
519 | port = lport_priv(vn_port); | |
520 | if (compare_ether_addr(port->data_src_addr, dest_mac) | |
521 | != 0) { | |
522 | BNX2FC_HBA_DBG(lport, "fpma mismatch\n"); | |
523 | put_cpu(); | |
524 | kfree_skb(skb); | |
525 | return; | |
526 | } | |
527 | } | |
528 | if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA && | |
529 | fh->fh_type == FC_TYPE_FCP) { | |
530 | /* Drop FCP data. We dont this in L2 path */ | |
531 | put_cpu(); | |
532 | kfree_skb(skb); | |
533 | return; | |
534 | } | |
535 | if (fh->fh_r_ctl == FC_RCTL_ELS_REQ && | |
536 | fh->fh_type == FC_TYPE_ELS) { | |
537 | switch (fc_frame_payload_op(fp)) { | |
538 | case ELS_LOGO: | |
539 | if (ntoh24(fh->fh_s_id) == FC_FID_FLOGI) { | |
540 | /* drop non-FIP LOGO */ | |
541 | put_cpu(); | |
542 | kfree_skb(skb); | |
543 | return; | |
544 | } | |
545 | break; | |
546 | } | |
547 | } | |
548 | if (le32_to_cpu(fr_crc(fp)) != | |
549 | ~crc32(~0, skb->data, fr_len)) { | |
550 | if (stats->InvalidCRCCount < 5) | |
551 | printk(KERN_WARNING PFX "dropping frame with " | |
552 | "CRC error\n"); | |
553 | stats->InvalidCRCCount++; | |
554 | put_cpu(); | |
555 | kfree_skb(skb); | |
556 | return; | |
557 | } | |
558 | put_cpu(); | |
559 | fc_exch_recv(lport, fp); | |
560 | } | |
561 | ||
562 | /** | |
563 | * bnx2fc_percpu_io_thread - thread per cpu for ios | |
564 | * | |
565 | * @arg: ptr to bnx2fc_percpu_info structure | |
566 | */ | |
567 | int bnx2fc_percpu_io_thread(void *arg) | |
568 | { | |
569 | struct bnx2fc_percpu_s *p = arg; | |
570 | struct bnx2fc_work *work, *tmp; | |
571 | LIST_HEAD(work_list); | |
572 | ||
573 | set_user_nice(current, -20); | |
574 | set_current_state(TASK_INTERRUPTIBLE); | |
575 | while (!kthread_should_stop()) { | |
576 | schedule(); | |
853e2bd2 BG |
577 | spin_lock_bh(&p->fp_work_lock); |
578 | while (!list_empty(&p->work_list)) { | |
579 | list_splice_init(&p->work_list, &work_list); | |
580 | spin_unlock_bh(&p->fp_work_lock); | |
581 | ||
582 | list_for_each_entry_safe(work, tmp, &work_list, list) { | |
583 | list_del_init(&work->list); | |
584 | bnx2fc_process_cq_compl(work->tgt, work->wqe); | |
585 | kfree(work); | |
586 | } | |
587 | ||
588 | spin_lock_bh(&p->fp_work_lock); | |
589 | } | |
fee78712 | 590 | __set_current_state(TASK_INTERRUPTIBLE); |
853e2bd2 | 591 | spin_unlock_bh(&p->fp_work_lock); |
853e2bd2 | 592 | } |
fee78712 | 593 | __set_current_state(TASK_RUNNING); |
853e2bd2 BG |
594 | |
595 | return 0; | |
596 | } | |
597 | ||
598 | static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost) | |
599 | { | |
600 | struct fc_host_statistics *bnx2fc_stats; | |
601 | struct fc_lport *lport = shost_priv(shost); | |
602 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 BPG |
603 | struct bnx2fc_interface *interface = port->priv; |
604 | struct bnx2fc_hba *hba = interface->hba; | |
853e2bd2 BG |
605 | struct fcoe_statistics_params *fw_stats; |
606 | int rc = 0; | |
607 | ||
608 | fw_stats = (struct fcoe_statistics_params *)hba->stats_buffer; | |
609 | if (!fw_stats) | |
610 | return NULL; | |
611 | ||
612 | bnx2fc_stats = fc_get_host_stats(shost); | |
613 | ||
614 | init_completion(&hba->stat_req_done); | |
615 | if (bnx2fc_send_stat_req(hba)) | |
616 | return bnx2fc_stats; | |
617 | rc = wait_for_completion_timeout(&hba->stat_req_done, (2 * HZ)); | |
618 | if (!rc) { | |
619 | BNX2FC_HBA_DBG(lport, "FW stat req timed out\n"); | |
620 | return bnx2fc_stats; | |
621 | } | |
619c5cb6 | 622 | bnx2fc_stats->invalid_crc_count += fw_stats->rx_stat2.fc_crc_cnt; |
853e2bd2 BG |
623 | bnx2fc_stats->tx_frames += fw_stats->tx_stat.fcoe_tx_pkt_cnt; |
624 | bnx2fc_stats->tx_words += (fw_stats->tx_stat.fcoe_tx_byte_cnt) / 4; | |
625 | bnx2fc_stats->rx_frames += fw_stats->rx_stat0.fcoe_rx_pkt_cnt; | |
626 | bnx2fc_stats->rx_words += (fw_stats->rx_stat0.fcoe_rx_byte_cnt) / 4; | |
627 | ||
628 | bnx2fc_stats->dumped_frames = 0; | |
629 | bnx2fc_stats->lip_count = 0; | |
630 | bnx2fc_stats->nos_count = 0; | |
631 | bnx2fc_stats->loss_of_sync_count = 0; | |
632 | bnx2fc_stats->loss_of_signal_count = 0; | |
633 | bnx2fc_stats->prim_seq_protocol_err_count = 0; | |
634 | ||
635 | return bnx2fc_stats; | |
636 | } | |
637 | ||
638 | static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev) | |
639 | { | |
640 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 | 641 | struct bnx2fc_interface *interface = port->priv; |
853e2bd2 BG |
642 | struct Scsi_Host *shost = lport->host; |
643 | int rc = 0; | |
644 | ||
645 | shost->max_cmd_len = BNX2FC_MAX_CMD_LEN; | |
646 | shost->max_lun = BNX2FC_MAX_LUN; | |
647 | shost->max_id = BNX2FC_MAX_FCP_TGT; | |
648 | shost->max_channel = 0; | |
649 | if (lport->vport) | |
650 | shost->transportt = bnx2fc_vport_xport_template; | |
651 | else | |
652 | shost->transportt = bnx2fc_transport_template; | |
653 | ||
654 | /* Add the new host to SCSI-ml */ | |
655 | rc = scsi_add_host(lport->host, dev); | |
656 | if (rc) { | |
657 | printk(KERN_ERR PFX "Error on scsi_add_host\n"); | |
658 | return rc; | |
659 | } | |
660 | if (!lport->vport) | |
661 | fc_host_max_npiv_vports(lport->host) = USHRT_MAX; | |
662 | sprintf(fc_host_symbolic_name(lport->host), "%s v%s over %s", | |
663 | BNX2FC_NAME, BNX2FC_VERSION, | |
aea71a02 | 664 | interface->netdev->name); |
853e2bd2 BG |
665 | |
666 | return 0; | |
667 | } | |
668 | ||
853e2bd2 BG |
669 | static void bnx2fc_link_speed_update(struct fc_lport *lport) |
670 | { | |
671 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 BPG |
672 | struct bnx2fc_interface *interface = port->priv; |
673 | struct net_device *netdev = interface->netdev; | |
8ae6daca | 674 | struct ethtool_cmd ecmd; |
853e2bd2 | 675 | |
4bc71cb9 | 676 | if (!__ethtool_get_settings(netdev, &ecmd)) { |
853e2bd2 BG |
677 | lport->link_supported_speeds &= |
678 | ~(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT); | |
679 | if (ecmd.supported & (SUPPORTED_1000baseT_Half | | |
680 | SUPPORTED_1000baseT_Full)) | |
681 | lport->link_supported_speeds |= FC_PORTSPEED_1GBIT; | |
682 | if (ecmd.supported & SUPPORTED_10000baseT_Full) | |
683 | lport->link_supported_speeds |= FC_PORTSPEED_10GBIT; | |
684 | ||
8ae6daca DD |
685 | switch (ethtool_cmd_speed(&ecmd)) { |
686 | case SPEED_1000: | |
853e2bd2 | 687 | lport->link_speed = FC_PORTSPEED_1GBIT; |
8ae6daca | 688 | break; |
a4dc08ce BPG |
689 | case SPEED_2500: |
690 | lport->link_speed = FC_PORTSPEED_2GBIT; | |
691 | break; | |
8ae6daca | 692 | case SPEED_10000: |
853e2bd2 | 693 | lport->link_speed = FC_PORTSPEED_10GBIT; |
8ae6daca DD |
694 | break; |
695 | } | |
853e2bd2 | 696 | } |
853e2bd2 BG |
697 | } |
698 | static int bnx2fc_link_ok(struct fc_lport *lport) | |
699 | { | |
700 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 BPG |
701 | struct bnx2fc_interface *interface = port->priv; |
702 | struct bnx2fc_hba *hba = interface->hba; | |
853e2bd2 BG |
703 | struct net_device *dev = hba->phys_dev; |
704 | int rc = 0; | |
705 | ||
706 | if ((dev->flags & IFF_UP) && netif_carrier_ok(dev)) | |
707 | clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); | |
708 | else { | |
709 | set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); | |
710 | rc = -1; | |
711 | } | |
712 | return rc; | |
713 | } | |
714 | ||
715 | /** | |
716 | * bnx2fc_get_link_state - get network link state | |
717 | * | |
718 | * @hba: adapter instance pointer | |
719 | * | |
720 | * updates adapter structure flag based on netdev state | |
721 | */ | |
722 | void bnx2fc_get_link_state(struct bnx2fc_hba *hba) | |
723 | { | |
aea71a02 | 724 | if (test_bit(__LINK_STATE_NOCARRIER, &hba->phys_dev->state)) |
853e2bd2 BG |
725 | set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); |
726 | else | |
727 | clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); | |
728 | } | |
729 | ||
730 | static int bnx2fc_net_config(struct fc_lport *lport) | |
731 | { | |
732 | struct bnx2fc_hba *hba; | |
aea71a02 | 733 | struct bnx2fc_interface *interface; |
853e2bd2 BG |
734 | struct fcoe_port *port; |
735 | u64 wwnn, wwpn; | |
736 | ||
737 | port = lport_priv(lport); | |
aea71a02 BPG |
738 | interface = port->priv; |
739 | hba = interface->hba; | |
853e2bd2 BG |
740 | |
741 | /* require support for get_pauseparam ethtool op. */ | |
742 | if (!hba->phys_dev->ethtool_ops || | |
743 | !hba->phys_dev->ethtool_ops->get_pauseparam) | |
744 | return -EOPNOTSUPP; | |
745 | ||
1294bfe6 | 746 | if (fc_set_mfs(lport, BNX2FC_MFS)) |
853e2bd2 BG |
747 | return -EINVAL; |
748 | ||
749 | skb_queue_head_init(&port->fcoe_pending_queue); | |
750 | port->fcoe_pending_queue_active = 0; | |
751 | setup_timer(&port->timer, fcoe_queue_timer, (unsigned long) lport); | |
752 | ||
753 | bnx2fc_link_speed_update(lport); | |
754 | ||
755 | if (!lport->vport) { | |
aea71a02 | 756 | wwnn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr, 1, 0); |
853e2bd2 BG |
757 | BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn); |
758 | fc_set_wwnn(lport, wwnn); | |
759 | ||
aea71a02 | 760 | wwpn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr, 2, 0); |
853e2bd2 BG |
761 | BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn); |
762 | fc_set_wwpn(lport, wwpn); | |
763 | } | |
764 | ||
765 | return 0; | |
766 | } | |
767 | ||
768 | static void bnx2fc_destroy_timer(unsigned long data) | |
769 | { | |
770 | struct bnx2fc_hba *hba = (struct bnx2fc_hba *)data; | |
771 | ||
aea71a02 | 772 | BNX2FC_MISC_DBG("ERROR:bnx2fc_destroy_timer - " |
853e2bd2 | 773 | "Destroy compl not received!!\n"); |
aea71a02 | 774 | set_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags); |
853e2bd2 BG |
775 | wake_up_interruptible(&hba->destroy_wait); |
776 | } | |
777 | ||
778 | /** | |
779 | * bnx2fc_indicate_netevent - Generic netdev event handler | |
780 | * | |
781 | * @context: adapter structure pointer | |
782 | * @event: event type | |
415199f2 | 783 | * @vlan_id: vlan id - associated vlan id with this event |
853e2bd2 BG |
784 | * |
785 | * Handles NETDEV_UP, NETDEV_DOWN, NETDEV_GOING_DOWN,NETDEV_CHANGE and | |
786 | * NETDEV_CHANGE_MTU events | |
787 | */ | |
415199f2 MC |
788 | static void bnx2fc_indicate_netevent(void *context, unsigned long event, |
789 | u16 vlan_id) | |
853e2bd2 BG |
790 | { |
791 | struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context; | |
aea71a02 | 792 | struct fc_lport *lport; |
853e2bd2 | 793 | struct fc_lport *vport; |
aea71a02 BPG |
794 | struct bnx2fc_interface *interface; |
795 | int wait_for_upload = 0; | |
853e2bd2 BG |
796 | u32 link_possible = 1; |
797 | ||
415199f2 MC |
798 | /* Ignore vlans for now */ |
799 | if (vlan_id != 0) | |
800 | return; | |
801 | ||
853e2bd2 BG |
802 | switch (event) { |
803 | case NETDEV_UP: | |
853e2bd2 BG |
804 | if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state)) |
805 | printk(KERN_ERR "indicate_netevent: "\ | |
aea71a02 | 806 | "hba is not UP!!\n"); |
853e2bd2 BG |
807 | break; |
808 | ||
809 | case NETDEV_DOWN: | |
853e2bd2 BG |
810 | clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state); |
811 | clear_bit(ADAPTER_STATE_UP, &hba->adapter_state); | |
812 | link_possible = 0; | |
813 | break; | |
814 | ||
815 | case NETDEV_GOING_DOWN: | |
853e2bd2 BG |
816 | set_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state); |
817 | link_possible = 0; | |
818 | break; | |
819 | ||
820 | case NETDEV_CHANGE: | |
853e2bd2 BG |
821 | break; |
822 | ||
823 | default: | |
824 | printk(KERN_ERR PFX "Unkonwn netevent %ld", event); | |
825 | return; | |
826 | } | |
827 | ||
aea71a02 BPG |
828 | mutex_lock(&bnx2fc_dev_lock); |
829 | list_for_each_entry(interface, &if_list, list) { | |
853e2bd2 | 830 | |
aea71a02 BPG |
831 | if (interface->hba != hba) |
832 | continue; | |
833 | ||
834 | lport = interface->ctlr.lp; | |
835 | BNX2FC_HBA_DBG(lport, "netevent handler - event=%s %ld\n", | |
836 | interface->netdev->name, event); | |
837 | ||
838 | bnx2fc_link_speed_update(lport); | |
839 | ||
840 | if (link_possible && !bnx2fc_link_ok(lport)) { | |
841 | printk(KERN_ERR "indicate_netevent: ctlr_link_up\n"); | |
842 | fcoe_ctlr_link_up(&interface->ctlr); | |
843 | } else if (fcoe_ctlr_link_down(&interface->ctlr)) { | |
853e2bd2 BG |
844 | mutex_lock(&lport->lp_mutex); |
845 | list_for_each_entry(vport, &lport->vports, list) | |
846 | fc_host_port_type(vport->host) = | |
847 | FC_PORTTYPE_UNKNOWN; | |
848 | mutex_unlock(&lport->lp_mutex); | |
849 | fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN; | |
850 | per_cpu_ptr(lport->dev_stats, | |
851 | get_cpu())->LinkFailureCount++; | |
852 | put_cpu(); | |
853 | fcoe_clean_pending_queue(lport); | |
aea71a02 BPG |
854 | wait_for_upload = 1; |
855 | } | |
856 | } | |
857 | mutex_unlock(&bnx2fc_dev_lock); | |
853e2bd2 | 858 | |
aea71a02 BPG |
859 | if (wait_for_upload) { |
860 | clear_bit(ADAPTER_STATE_READY, &hba->adapter_state); | |
861 | init_waitqueue_head(&hba->shutdown_wait); | |
862 | BNX2FC_MISC_DBG("indicate_netevent " | |
863 | "num_ofld_sess = %d\n", | |
864 | hba->num_ofld_sess); | |
865 | hba->wait_for_link_down = 1; | |
866 | wait_event_interruptible(hba->shutdown_wait, | |
867 | (hba->num_ofld_sess == 0)); | |
868 | BNX2FC_MISC_DBG("wakeup - num_ofld_sess = %d\n", | |
853e2bd2 | 869 | hba->num_ofld_sess); |
aea71a02 | 870 | hba->wait_for_link_down = 0; |
853e2bd2 | 871 | |
aea71a02 BPG |
872 | if (signal_pending(current)) |
873 | flush_signals(current); | |
853e2bd2 BG |
874 | } |
875 | } | |
876 | ||
877 | static int bnx2fc_libfc_config(struct fc_lport *lport) | |
878 | { | |
879 | ||
880 | /* Set the function pointers set by bnx2fc driver */ | |
881 | memcpy(&lport->tt, &bnx2fc_libfc_fcn_templ, | |
882 | sizeof(struct libfc_function_template)); | |
883 | fc_elsct_init(lport); | |
884 | fc_exch_init(lport); | |
885 | fc_rport_init(lport); | |
886 | fc_disc_init(lport); | |
887 | return 0; | |
888 | } | |
889 | ||
890 | static int bnx2fc_em_config(struct fc_lport *lport) | |
891 | { | |
853e2bd2 BG |
892 | if (!fc_exch_mgr_alloc(lport, FC_CLASS_3, FCOE_MIN_XID, |
893 | FCOE_MAX_XID, NULL)) { | |
894 | printk(KERN_ERR PFX "em_config:fc_exch_mgr_alloc failed\n"); | |
895 | return -ENOMEM; | |
896 | } | |
897 | ||
853e2bd2 BG |
898 | return 0; |
899 | } | |
900 | ||
901 | static int bnx2fc_lport_config(struct fc_lport *lport) | |
902 | { | |
903 | lport->link_up = 0; | |
904 | lport->qfull = 0; | |
905 | lport->max_retry_count = 3; | |
906 | lport->max_rport_retry_count = 3; | |
907 | lport->e_d_tov = 2 * 1000; | |
908 | lport->r_a_tov = 10 * 1000; | |
909 | ||
853e2bd2 BG |
910 | lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS | |
911 | FCP_SPPF_RETRY | FCP_SPPF_CONF_COMPL); | |
853e2bd2 BG |
912 | lport->does_npiv = 1; |
913 | ||
914 | memset(&lport->rnid_gen, 0, sizeof(struct fc_els_rnid_gen)); | |
915 | lport->rnid_gen.rnid_atype = BNX2FC_RNID_HBA; | |
916 | ||
917 | /* alloc stats structure */ | |
918 | if (fc_lport_init_stats(lport)) | |
919 | return -ENOMEM; | |
920 | ||
921 | /* Finish fc_lport configuration */ | |
922 | fc_lport_config(lport); | |
923 | ||
924 | return 0; | |
925 | } | |
926 | ||
927 | /** | |
928 | * bnx2fc_fip_recv - handle a received FIP frame. | |
929 | * | |
930 | * @skb: the received skb | |
931 | * @dev: associated &net_device | |
932 | * @ptype: the &packet_type structure which was used to register this handler. | |
933 | * @orig_dev: original receive &net_device, in case @ dev is a bond. | |
934 | * | |
935 | * Returns: 0 for success | |
936 | */ | |
937 | static int bnx2fc_fip_recv(struct sk_buff *skb, struct net_device *dev, | |
938 | struct packet_type *ptype, | |
939 | struct net_device *orig_dev) | |
940 | { | |
aea71a02 BPG |
941 | struct bnx2fc_interface *interface; |
942 | interface = container_of(ptype, struct bnx2fc_interface, | |
943 | fip_packet_type); | |
944 | fcoe_ctlr_recv(&interface->ctlr, skb); | |
853e2bd2 BG |
945 | return 0; |
946 | } | |
947 | ||
948 | /** | |
949 | * bnx2fc_update_src_mac - Update Ethernet MAC filters. | |
950 | * | |
951 | * @fip: FCoE controller. | |
952 | * @old: Unicast MAC address to delete if the MAC is non-zero. | |
953 | * @new: Unicast MAC address to add. | |
954 | * | |
955 | * Remove any previously-set unicast MAC filter. | |
956 | * Add secondary FCoE MAC address filter for our OUI. | |
957 | */ | |
958 | static void bnx2fc_update_src_mac(struct fc_lport *lport, u8 *addr) | |
959 | { | |
960 | struct fcoe_port *port = lport_priv(lport); | |
961 | ||
962 | memcpy(port->data_src_addr, addr, ETH_ALEN); | |
963 | } | |
964 | ||
965 | /** | |
966 | * bnx2fc_get_src_mac - return the ethernet source address for an lport | |
967 | * | |
968 | * @lport: libfc port | |
969 | */ | |
970 | static u8 *bnx2fc_get_src_mac(struct fc_lport *lport) | |
971 | { | |
972 | struct fcoe_port *port; | |
973 | ||
974 | port = (struct fcoe_port *)lport_priv(lport); | |
975 | return port->data_src_addr; | |
976 | } | |
977 | ||
978 | /** | |
979 | * bnx2fc_fip_send - send an Ethernet-encapsulated FIP frame. | |
980 | * | |
981 | * @fip: FCoE controller. | |
982 | * @skb: FIP Packet. | |
983 | */ | |
984 | static void bnx2fc_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb) | |
985 | { | |
986 | skb->dev = bnx2fc_from_ctlr(fip)->netdev; | |
987 | dev_queue_xmit(skb); | |
988 | } | |
989 | ||
990 | static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled) | |
991 | { | |
992 | struct Scsi_Host *shost = vport_to_shost(vport); | |
993 | struct fc_lport *n_port = shost_priv(shost); | |
994 | struct fcoe_port *port = lport_priv(n_port); | |
aea71a02 BPG |
995 | struct bnx2fc_interface *interface = port->priv; |
996 | struct net_device *netdev = interface->netdev; | |
853e2bd2 BG |
997 | struct fc_lport *vn_port; |
998 | ||
aea71a02 | 999 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) { |
853e2bd2 | 1000 | printk(KERN_ERR PFX "vn ports cannot be created on" |
aea71a02 | 1001 | "this interface\n"); |
853e2bd2 BG |
1002 | return -EIO; |
1003 | } | |
4bc71cb9 | 1004 | rtnl_lock(); |
853e2bd2 | 1005 | mutex_lock(&bnx2fc_dev_lock); |
aea71a02 | 1006 | vn_port = bnx2fc_if_create(interface, &vport->dev, 1); |
853e2bd2 | 1007 | mutex_unlock(&bnx2fc_dev_lock); |
4bc71cb9 | 1008 | rtnl_unlock(); |
853e2bd2 BG |
1009 | |
1010 | if (IS_ERR(vn_port)) { | |
1011 | printk(KERN_ERR PFX "bnx2fc_vport_create (%s) failed\n", | |
1012 | netdev->name); | |
1013 | return -EIO; | |
1014 | } | |
1015 | ||
1016 | if (disabled) { | |
1017 | fc_vport_set_state(vport, FC_VPORT_DISABLED); | |
1018 | } else { | |
1019 | vn_port->boot_time = jiffies; | |
1020 | fc_lport_init(vn_port); | |
1021 | fc_fabric_login(vn_port); | |
1022 | fc_vport_setlink(vn_port); | |
1023 | } | |
1024 | return 0; | |
1025 | } | |
1026 | ||
1027 | static int bnx2fc_vport_destroy(struct fc_vport *vport) | |
1028 | { | |
1029 | struct Scsi_Host *shost = vport_to_shost(vport); | |
1030 | struct fc_lport *n_port = shost_priv(shost); | |
1031 | struct fc_lport *vn_port = vport->dd_data; | |
1032 | struct fcoe_port *port = lport_priv(vn_port); | |
1033 | ||
1034 | mutex_lock(&n_port->lp_mutex); | |
1035 | list_del(&vn_port->list); | |
1036 | mutex_unlock(&n_port->lp_mutex); | |
1037 | queue_work(bnx2fc_wq, &port->destroy_work); | |
1038 | return 0; | |
1039 | } | |
1040 | ||
1041 | static int bnx2fc_vport_disable(struct fc_vport *vport, bool disable) | |
1042 | { | |
1043 | struct fc_lport *lport = vport->dd_data; | |
1044 | ||
1045 | if (disable) { | |
1046 | fc_vport_set_state(vport, FC_VPORT_DISABLED); | |
1047 | fc_fabric_logoff(lport); | |
1048 | } else { | |
1049 | lport->boot_time = jiffies; | |
1050 | fc_fabric_login(lport); | |
1051 | fc_vport_setlink(lport); | |
1052 | } | |
1053 | return 0; | |
1054 | } | |
1055 | ||
1056 | ||
aea71a02 | 1057 | static int bnx2fc_netdev_setup(struct bnx2fc_interface *interface) |
853e2bd2 | 1058 | { |
aea71a02 BPG |
1059 | struct net_device *netdev = interface->netdev; |
1060 | struct net_device *physdev = interface->hba->phys_dev; | |
853e2bd2 BG |
1061 | struct netdev_hw_addr *ha; |
1062 | int sel_san_mac = 0; | |
1063 | ||
853e2bd2 BG |
1064 | /* setup Source MAC Address */ |
1065 | rcu_read_lock(); | |
1066 | for_each_dev_addr(physdev, ha) { | |
1067 | BNX2FC_MISC_DBG("net_config: ha->type = %d, fip_mac = ", | |
1068 | ha->type); | |
1069 | printk(KERN_INFO "%2x:%2x:%2x:%2x:%2x:%2x\n", ha->addr[0], | |
1070 | ha->addr[1], ha->addr[2], ha->addr[3], | |
1071 | ha->addr[4], ha->addr[5]); | |
1072 | ||
1073 | if ((ha->type == NETDEV_HW_ADDR_T_SAN) && | |
1074 | (is_valid_ether_addr(ha->addr))) { | |
aea71a02 BPG |
1075 | memcpy(interface->ctlr.ctl_src_addr, ha->addr, |
1076 | ETH_ALEN); | |
853e2bd2 BG |
1077 | sel_san_mac = 1; |
1078 | BNX2FC_MISC_DBG("Found SAN MAC\n"); | |
1079 | } | |
1080 | } | |
1081 | rcu_read_unlock(); | |
1082 | ||
1083 | if (!sel_san_mac) | |
1084 | return -ENODEV; | |
1085 | ||
aea71a02 BPG |
1086 | interface->fip_packet_type.func = bnx2fc_fip_recv; |
1087 | interface->fip_packet_type.type = htons(ETH_P_FIP); | |
1088 | interface->fip_packet_type.dev = netdev; | |
1089 | dev_add_pack(&interface->fip_packet_type); | |
853e2bd2 | 1090 | |
aea71a02 BPG |
1091 | interface->fcoe_packet_type.func = bnx2fc_rcv; |
1092 | interface->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE); | |
1093 | interface->fcoe_packet_type.dev = netdev; | |
1094 | dev_add_pack(&interface->fcoe_packet_type); | |
853e2bd2 BG |
1095 | |
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | static int bnx2fc_attach_transport(void) | |
1100 | { | |
1101 | bnx2fc_transport_template = | |
1102 | fc_attach_transport(&bnx2fc_transport_function); | |
1103 | ||
1104 | if (bnx2fc_transport_template == NULL) { | |
1105 | printk(KERN_ERR PFX "Failed to attach FC transport\n"); | |
1106 | return -ENODEV; | |
1107 | } | |
1108 | ||
1109 | bnx2fc_vport_xport_template = | |
1110 | fc_attach_transport(&bnx2fc_vport_xport_function); | |
1111 | if (bnx2fc_vport_xport_template == NULL) { | |
1112 | printk(KERN_ERR PFX | |
1113 | "Failed to attach FC transport for vport\n"); | |
1114 | fc_release_transport(bnx2fc_transport_template); | |
1115 | bnx2fc_transport_template = NULL; | |
1116 | return -ENODEV; | |
1117 | } | |
1118 | return 0; | |
1119 | } | |
1120 | static void bnx2fc_release_transport(void) | |
1121 | { | |
1122 | fc_release_transport(bnx2fc_transport_template); | |
1123 | fc_release_transport(bnx2fc_vport_xport_template); | |
1124 | bnx2fc_transport_template = NULL; | |
1125 | bnx2fc_vport_xport_template = NULL; | |
1126 | } | |
1127 | ||
1128 | static void bnx2fc_interface_release(struct kref *kref) | |
1129 | { | |
aea71a02 | 1130 | struct bnx2fc_interface *interface; |
853e2bd2 | 1131 | struct net_device *netdev; |
853e2bd2 | 1132 | |
aea71a02 | 1133 | interface = container_of(kref, struct bnx2fc_interface, kref); |
068bdce4 | 1134 | BNX2FC_MISC_DBG("Interface is being released\n"); |
853e2bd2 | 1135 | |
aea71a02 | 1136 | netdev = interface->netdev; |
853e2bd2 BG |
1137 | |
1138 | /* tear-down FIP controller */ | |
aea71a02 BPG |
1139 | if (test_and_clear_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags)) |
1140 | fcoe_ctlr_destroy(&interface->ctlr); | |
1141 | ||
1142 | kfree(interface); | |
853e2bd2 | 1143 | |
853e2bd2 BG |
1144 | dev_put(netdev); |
1145 | module_put(THIS_MODULE); | |
1146 | } | |
1147 | ||
aea71a02 | 1148 | static inline void bnx2fc_interface_get(struct bnx2fc_interface *interface) |
853e2bd2 | 1149 | { |
aea71a02 | 1150 | kref_get(&interface->kref); |
853e2bd2 BG |
1151 | } |
1152 | ||
aea71a02 | 1153 | static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface) |
853e2bd2 | 1154 | { |
aea71a02 | 1155 | kref_put(&interface->kref, bnx2fc_interface_release); |
853e2bd2 | 1156 | } |
aea71a02 | 1157 | static void bnx2fc_hba_destroy(struct bnx2fc_hba *hba) |
853e2bd2 | 1158 | { |
aea71a02 BPG |
1159 | /* Free the command manager */ |
1160 | if (hba->cmd_mgr) { | |
1161 | bnx2fc_cmd_mgr_free(hba->cmd_mgr); | |
1162 | hba->cmd_mgr = NULL; | |
1163 | } | |
1164 | kfree(hba->tgt_ofld_list); | |
853e2bd2 BG |
1165 | bnx2fc_unbind_pcidev(hba); |
1166 | kfree(hba); | |
1167 | } | |
1168 | ||
1169 | /** | |
aea71a02 | 1170 | * bnx2fc_hba_create - create a new bnx2fc hba |
853e2bd2 BG |
1171 | * |
1172 | * @cnic: pointer to cnic device | |
1173 | * | |
aea71a02 BPG |
1174 | * Creates a new FCoE hba on the given device. |
1175 | * | |
853e2bd2 | 1176 | */ |
aea71a02 | 1177 | static struct bnx2fc_hba *bnx2fc_hba_create(struct cnic_dev *cnic) |
853e2bd2 BG |
1178 | { |
1179 | struct bnx2fc_hba *hba; | |
1180 | int rc; | |
1181 | ||
1182 | hba = kzalloc(sizeof(*hba), GFP_KERNEL); | |
1183 | if (!hba) { | |
1184 | printk(KERN_ERR PFX "Unable to allocate hba structure\n"); | |
1185 | return NULL; | |
1186 | } | |
1187 | spin_lock_init(&hba->hba_lock); | |
1188 | mutex_init(&hba->hba_mutex); | |
1189 | ||
1190 | hba->cnic = cnic; | |
1191 | rc = bnx2fc_bind_pcidev(hba); | |
aea71a02 BPG |
1192 | if (rc) { |
1193 | printk(KERN_ERR PFX "create_adapter: bind error\n"); | |
853e2bd2 | 1194 | goto bind_err; |
aea71a02 | 1195 | } |
853e2bd2 | 1196 | hba->phys_dev = cnic->netdev; |
aea71a02 BPG |
1197 | hba->next_conn_id = 0; |
1198 | ||
1199 | hba->tgt_ofld_list = | |
1200 | kzalloc(sizeof(struct bnx2fc_rport *) * BNX2FC_NUM_MAX_SESS, | |
1201 | GFP_KERNEL); | |
1202 | if (!hba->tgt_ofld_list) { | |
1203 | printk(KERN_ERR PFX "Unable to allocate tgt offload list\n"); | |
1204 | goto tgtofld_err; | |
1205 | } | |
1206 | ||
1207 | hba->num_ofld_sess = 0; | |
1208 | ||
1209 | hba->cmd_mgr = bnx2fc_cmd_mgr_alloc(hba, BNX2FC_MIN_XID, | |
1210 | BNX2FC_MAX_XID); | |
1211 | if (!hba->cmd_mgr) { | |
1212 | printk(KERN_ERR PFX "em_config:bnx2fc_cmd_mgr_alloc failed\n"); | |
1213 | goto cmgr_err; | |
1214 | } | |
853e2bd2 BG |
1215 | |
1216 | init_waitqueue_head(&hba->shutdown_wait); | |
1217 | init_waitqueue_head(&hba->destroy_wait); | |
aea71a02 | 1218 | INIT_LIST_HEAD(&hba->vports); |
853e2bd2 BG |
1219 | |
1220 | return hba; | |
aea71a02 BPG |
1221 | |
1222 | cmgr_err: | |
1223 | kfree(hba->tgt_ofld_list); | |
1224 | tgtofld_err: | |
1225 | bnx2fc_unbind_pcidev(hba); | |
853e2bd2 | 1226 | bind_err: |
853e2bd2 BG |
1227 | kfree(hba); |
1228 | return NULL; | |
1229 | } | |
1230 | ||
aea71a02 BPG |
1231 | struct bnx2fc_interface *bnx2fc_interface_create(struct bnx2fc_hba *hba, |
1232 | struct net_device *netdev, | |
1233 | enum fip_state fip_mode) | |
853e2bd2 | 1234 | { |
aea71a02 | 1235 | struct bnx2fc_interface *interface; |
853e2bd2 | 1236 | int rc = 0; |
853e2bd2 | 1237 | |
aea71a02 BPG |
1238 | interface = kzalloc(sizeof(*interface), GFP_KERNEL); |
1239 | if (!interface) { | |
1240 | printk(KERN_ERR PFX "Unable to allocate interface structure\n"); | |
1241 | return NULL; | |
1242 | } | |
853e2bd2 | 1243 | dev_hold(netdev); |
aea71a02 BPG |
1244 | kref_init(&interface->kref); |
1245 | interface->hba = hba; | |
1246 | interface->netdev = netdev; | |
853e2bd2 BG |
1247 | |
1248 | /* Initialize FIP */ | |
aea71a02 BPG |
1249 | fcoe_ctlr_init(&interface->ctlr, fip_mode); |
1250 | interface->ctlr.send = bnx2fc_fip_send; | |
1251 | interface->ctlr.update_mac = bnx2fc_update_src_mac; | |
1252 | interface->ctlr.get_src_addr = bnx2fc_get_src_mac; | |
1253 | set_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags); | |
853e2bd2 | 1254 | |
aea71a02 BPG |
1255 | rc = bnx2fc_netdev_setup(interface); |
1256 | if (!rc) | |
1257 | return interface; | |
853e2bd2 | 1258 | |
aea71a02 | 1259 | fcoe_ctlr_destroy(&interface->ctlr); |
853e2bd2 | 1260 | dev_put(netdev); |
aea71a02 BPG |
1261 | kfree(interface); |
1262 | return NULL; | |
853e2bd2 BG |
1263 | } |
1264 | ||
1265 | /** | |
1266 | * bnx2fc_if_create - Create FCoE instance on a given interface | |
1267 | * | |
aea71a02 | 1268 | * @interface: FCoE interface to create a local port on |
853e2bd2 BG |
1269 | * @parent: Device pointer to be the parent in sysfs for the SCSI host |
1270 | * @npiv: Indicates if the port is vport or not | |
1271 | * | |
1272 | * Creates a fc_lport instance and a Scsi_Host instance and configure them. | |
1273 | * | |
1274 | * Returns: Allocated fc_lport or an error pointer | |
1275 | */ | |
aea71a02 | 1276 | static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface, |
853e2bd2 BG |
1277 | struct device *parent, int npiv) |
1278 | { | |
134a4e27 | 1279 | struct fc_lport *lport, *n_port; |
853e2bd2 BG |
1280 | struct fcoe_port *port; |
1281 | struct Scsi_Host *shost; | |
1282 | struct fc_vport *vport = dev_to_vport(parent); | |
d36b3279 | 1283 | struct bnx2fc_lport *blport; |
aea71a02 | 1284 | struct bnx2fc_hba *hba; |
853e2bd2 BG |
1285 | int rc = 0; |
1286 | ||
d36b3279 BPG |
1287 | blport = kzalloc(sizeof(struct bnx2fc_lport), GFP_KERNEL); |
1288 | if (!blport) { | |
aea71a02 | 1289 | BNX2FC_HBA_DBG(interface->ctlr.lp, "Unable to alloc blport\n"); |
d36b3279 BPG |
1290 | return NULL; |
1291 | } | |
1292 | ||
853e2bd2 | 1293 | /* Allocate Scsi_Host structure */ |
134a4e27 VD |
1294 | if (!npiv) |
1295 | lport = libfc_host_alloc(&bnx2fc_shost_template, sizeof(*port)); | |
1296 | else | |
1297 | lport = libfc_vport_create(vport, sizeof(*port)); | |
853e2bd2 BG |
1298 | |
1299 | if (!lport) { | |
1300 | printk(KERN_ERR PFX "could not allocate scsi host structure\n"); | |
d36b3279 | 1301 | goto free_blport; |
853e2bd2 BG |
1302 | } |
1303 | shost = lport->host; | |
1304 | port = lport_priv(lport); | |
1305 | port->lport = lport; | |
aea71a02 | 1306 | port->priv = interface; |
853e2bd2 BG |
1307 | INIT_WORK(&port->destroy_work, bnx2fc_destroy_work); |
1308 | ||
1309 | /* Configure fcoe_port */ | |
1310 | rc = bnx2fc_lport_config(lport); | |
1311 | if (rc) | |
1312 | goto lp_config_err; | |
1313 | ||
1314 | if (npiv) { | |
853e2bd2 BG |
1315 | printk(KERN_ERR PFX "Setting vport names, 0x%llX 0x%llX\n", |
1316 | vport->node_name, vport->port_name); | |
1317 | fc_set_wwnn(lport, vport->node_name); | |
1318 | fc_set_wwpn(lport, vport->port_name); | |
1319 | } | |
1320 | /* Configure netdev and networking properties of the lport */ | |
1321 | rc = bnx2fc_net_config(lport); | |
1322 | if (rc) { | |
1323 | printk(KERN_ERR PFX "Error on bnx2fc_net_config\n"); | |
1324 | goto lp_config_err; | |
1325 | } | |
1326 | ||
1327 | rc = bnx2fc_shost_config(lport, parent); | |
1328 | if (rc) { | |
1329 | printk(KERN_ERR PFX "Couldnt configure shost for %s\n", | |
aea71a02 | 1330 | interface->netdev->name); |
853e2bd2 BG |
1331 | goto lp_config_err; |
1332 | } | |
1333 | ||
1334 | /* Initialize the libfc library */ | |
1335 | rc = bnx2fc_libfc_config(lport); | |
1336 | if (rc) { | |
1337 | printk(KERN_ERR PFX "Couldnt configure libfc\n"); | |
1338 | goto shost_err; | |
1339 | } | |
1340 | fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN; | |
1341 | ||
1342 | /* Allocate exchange manager */ | |
134a4e27 | 1343 | if (!npiv) |
853e2bd2 | 1344 | rc = bnx2fc_em_config(lport); |
134a4e27 VD |
1345 | else { |
1346 | shost = vport_to_shost(vport); | |
1347 | n_port = shost_priv(shost); | |
1348 | rc = fc_exch_mgr_list_clone(n_port, lport); | |
1349 | } | |
1350 | ||
1351 | if (rc) { | |
1352 | printk(KERN_ERR PFX "Error on bnx2fc_em_config\n"); | |
1353 | goto shost_err; | |
853e2bd2 BG |
1354 | } |
1355 | ||
aea71a02 | 1356 | bnx2fc_interface_get(interface); |
d36b3279 | 1357 | |
aea71a02 | 1358 | hba = interface->hba; |
d36b3279 BPG |
1359 | spin_lock_bh(&hba->hba_lock); |
1360 | blport->lport = lport; | |
1361 | list_add_tail(&blport->list, &hba->vports); | |
1362 | spin_unlock_bh(&hba->hba_lock); | |
1363 | ||
853e2bd2 BG |
1364 | return lport; |
1365 | ||
1366 | shost_err: | |
1367 | scsi_remove_host(shost); | |
1368 | lp_config_err: | |
1369 | scsi_host_put(lport->host); | |
d36b3279 BPG |
1370 | free_blport: |
1371 | kfree(blport); | |
853e2bd2 BG |
1372 | return NULL; |
1373 | } | |
1374 | ||
aea71a02 | 1375 | static void bnx2fc_netdev_cleanup(struct bnx2fc_interface *interface) |
853e2bd2 BG |
1376 | { |
1377 | /* Dont listen for Ethernet packets anymore */ | |
aea71a02 BPG |
1378 | __dev_remove_pack(&interface->fcoe_packet_type); |
1379 | __dev_remove_pack(&interface->fip_packet_type); | |
853e2bd2 BG |
1380 | synchronize_net(); |
1381 | } | |
1382 | ||
aea71a02 | 1383 | static void bnx2fc_if_destroy(struct fc_lport *lport, struct bnx2fc_hba *hba) |
853e2bd2 BG |
1384 | { |
1385 | struct fcoe_port *port = lport_priv(lport); | |
d36b3279 | 1386 | struct bnx2fc_lport *blport, *tmp; |
853e2bd2 | 1387 | |
853e2bd2 BG |
1388 | /* Stop the transmit retry timer */ |
1389 | del_timer_sync(&port->timer); | |
1390 | ||
1391 | /* Free existing transmit skbs */ | |
1392 | fcoe_clean_pending_queue(lport); | |
1393 | ||
853e2bd2 BG |
1394 | /* Free queued packets for the receive thread */ |
1395 | bnx2fc_clean_rx_queue(lport); | |
1396 | ||
1397 | /* Detach from scsi-ml */ | |
1398 | fc_remove_host(lport->host); | |
1399 | scsi_remove_host(lport->host); | |
1400 | ||
1401 | /* | |
1402 | * Note that only the physical lport will have the exchange manager. | |
1403 | * for vports, this function is NOP | |
1404 | */ | |
1405 | fc_exch_mgr_free(lport); | |
1406 | ||
1407 | /* Free memory used by statistical counters */ | |
1408 | fc_lport_free_stats(lport); | |
1409 | ||
d36b3279 BPG |
1410 | spin_lock_bh(&hba->hba_lock); |
1411 | list_for_each_entry_safe(blport, tmp, &hba->vports, list) { | |
1412 | if (blport->lport == lport) { | |
1413 | list_del(&blport->list); | |
1414 | kfree(blport); | |
1415 | } | |
1416 | } | |
1417 | spin_unlock_bh(&hba->hba_lock); | |
1418 | ||
853e2bd2 BG |
1419 | /* Release Scsi_Host */ |
1420 | scsi_host_put(lport->host); | |
1421 | } | |
1422 | ||
1423 | /** | |
1424 | * bnx2fc_destroy - Destroy a bnx2fc FCoE interface | |
1425 | * | |
1426 | * @buffer: The name of the Ethernet interface to be destroyed | |
1427 | * @kp: The associated kernel parameter | |
1428 | * | |
1429 | * Called from sysfs. | |
1430 | * | |
1431 | * Returns: 0 for success | |
1432 | */ | |
1433 | static int bnx2fc_destroy(struct net_device *netdev) | |
1434 | { | |
aea71a02 BPG |
1435 | struct bnx2fc_interface *interface = NULL; |
1436 | struct bnx2fc_hba *hba; | |
1437 | struct fc_lport *lport; | |
853e2bd2 BG |
1438 | int rc = 0; |
1439 | ||
6702ca1d | 1440 | rtnl_lock(); |
853e2bd2 | 1441 | mutex_lock(&bnx2fc_dev_lock); |
853e2bd2 | 1442 | |
aea71a02 BPG |
1443 | interface = bnx2fc_interface_lookup(netdev); |
1444 | if (!interface || !interface->ctlr.lp) { | |
853e2bd2 | 1445 | rc = -ENODEV; |
aea71a02 | 1446 | printk(KERN_ERR PFX "bnx2fc_destroy: interface or lport not found\n"); |
853e2bd2 BG |
1447 | goto netdev_err; |
1448 | } | |
1449 | ||
aea71a02 | 1450 | hba = interface->hba; |
853e2bd2 | 1451 | |
aea71a02 BPG |
1452 | bnx2fc_netdev_cleanup(interface); |
1453 | lport = interface->ctlr.lp; | |
1454 | bnx2fc_stop(interface); | |
1455 | list_del(&interface->list); | |
1456 | destroy_workqueue(interface->timer_work_queue); | |
1457 | bnx2fc_interface_put(interface); | |
1458 | bnx2fc_if_destroy(lport, hba); | |
853e2bd2 | 1459 | |
853e2bd2 BG |
1460 | netdev_err: |
1461 | mutex_unlock(&bnx2fc_dev_lock); | |
1462 | rtnl_unlock(); | |
1463 | return rc; | |
1464 | } | |
1465 | ||
1466 | static void bnx2fc_destroy_work(struct work_struct *work) | |
1467 | { | |
1468 | struct fcoe_port *port; | |
1469 | struct fc_lport *lport; | |
aea71a02 BPG |
1470 | struct bnx2fc_interface *interface; |
1471 | struct bnx2fc_hba *hba; | |
853e2bd2 BG |
1472 | |
1473 | port = container_of(work, struct fcoe_port, destroy_work); | |
1474 | lport = port->lport; | |
aea71a02 BPG |
1475 | interface = port->priv; |
1476 | hba = interface->hba; | |
853e2bd2 BG |
1477 | |
1478 | BNX2FC_HBA_DBG(lport, "Entered bnx2fc_destroy_work\n"); | |
1479 | ||
1480 | bnx2fc_port_shutdown(lport); | |
1481 | rtnl_lock(); | |
1482 | mutex_lock(&bnx2fc_dev_lock); | |
aea71a02 | 1483 | bnx2fc_if_destroy(lport, hba); |
853e2bd2 BG |
1484 | mutex_unlock(&bnx2fc_dev_lock); |
1485 | rtnl_unlock(); | |
1486 | } | |
1487 | ||
1488 | static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba) | |
1489 | { | |
1490 | bnx2fc_free_fw_resc(hba); | |
1491 | bnx2fc_free_task_ctx(hba); | |
1492 | } | |
1493 | ||
1494 | /** | |
1495 | * bnx2fc_bind_adapter_devices - binds bnx2fc adapter with the associated | |
1496 | * pci structure | |
1497 | * | |
1498 | * @hba: Adapter instance | |
1499 | */ | |
1500 | static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba) | |
1501 | { | |
1502 | if (bnx2fc_setup_task_ctx(hba)) | |
1503 | goto mem_err; | |
1504 | ||
1505 | if (bnx2fc_setup_fw_resc(hba)) | |
1506 | goto mem_err; | |
1507 | ||
1508 | return 0; | |
1509 | mem_err: | |
1510 | bnx2fc_unbind_adapter_devices(hba); | |
1511 | return -ENOMEM; | |
1512 | } | |
1513 | ||
1514 | static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba) | |
1515 | { | |
1516 | struct cnic_dev *cnic; | |
1517 | ||
1518 | if (!hba->cnic) { | |
1519 | printk(KERN_ERR PFX "cnic is NULL\n"); | |
1520 | return -ENODEV; | |
1521 | } | |
1522 | cnic = hba->cnic; | |
1523 | hba->pcidev = cnic->pcidev; | |
1524 | if (hba->pcidev) | |
1525 | pci_dev_get(hba->pcidev); | |
1526 | ||
1527 | return 0; | |
1528 | } | |
1529 | ||
1530 | static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba) | |
1531 | { | |
1532 | if (hba->pcidev) | |
1533 | pci_dev_put(hba->pcidev); | |
1534 | hba->pcidev = NULL; | |
1535 | } | |
1536 | ||
1537 | ||
1538 | ||
1539 | /** | |
1540 | * bnx2fc_ulp_start - cnic callback to initialize & start adapter instance | |
1541 | * | |
1542 | * @handle: transport handle pointing to adapter struture | |
1543 | * | |
1544 | * This function maps adapter structure to pcidev structure and initiates | |
1545 | * firmware handshake to enable/initialize on-chip FCoE components. | |
1546 | * This bnx2fc - cnic interface api callback is used after following | |
1547 | * conditions are met - | |
1548 | * a) underlying network interface is up (marked by event NETDEV_UP | |
1549 | * from netdev | |
1550 | * b) bnx2fc adatper structure is registered. | |
1551 | */ | |
1552 | static void bnx2fc_ulp_start(void *handle) | |
1553 | { | |
1554 | struct bnx2fc_hba *hba = handle; | |
aea71a02 BPG |
1555 | struct bnx2fc_interface *interface; |
1556 | struct fc_lport *lport; | |
853e2bd2 | 1557 | |
853e2bd2 BG |
1558 | mutex_lock(&bnx2fc_dev_lock); |
1559 | ||
aea71a02 | 1560 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) |
853e2bd2 BG |
1561 | bnx2fc_fw_init(hba); |
1562 | ||
853e2bd2 BG |
1563 | BNX2FC_MISC_DBG("bnx2fc started.\n"); |
1564 | ||
aea71a02 BPG |
1565 | list_for_each_entry(interface, &if_list, list) { |
1566 | if (interface->hba == hba) { | |
1567 | lport = interface->ctlr.lp; | |
1568 | /* Kick off Fabric discovery*/ | |
1569 | printk(KERN_ERR PFX "ulp_init: start discovery\n"); | |
1570 | lport->tt.frame_send = bnx2fc_xmit; | |
1571 | bnx2fc_start_disc(interface); | |
1572 | } | |
853e2bd2 | 1573 | } |
aea71a02 BPG |
1574 | |
1575 | mutex_unlock(&bnx2fc_dev_lock); | |
853e2bd2 BG |
1576 | } |
1577 | ||
1578 | static void bnx2fc_port_shutdown(struct fc_lport *lport) | |
1579 | { | |
1580 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
1581 | fc_fabric_logoff(lport); | |
1582 | fc_lport_destroy(lport); | |
1583 | } | |
1584 | ||
aea71a02 | 1585 | static void bnx2fc_stop(struct bnx2fc_interface *interface) |
853e2bd2 BG |
1586 | { |
1587 | struct fc_lport *lport; | |
1588 | struct fc_lport *vport; | |
1589 | ||
aea71a02 BPG |
1590 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) |
1591 | return; | |
853e2bd2 | 1592 | |
aea71a02 BPG |
1593 | lport = interface->ctlr.lp; |
1594 | bnx2fc_port_shutdown(lport); | |
1595 | ||
1596 | mutex_lock(&lport->lp_mutex); | |
1597 | list_for_each_entry(vport, &lport->vports, list) | |
1598 | fc_host_port_type(vport->host) = | |
1599 | FC_PORTTYPE_UNKNOWN; | |
1600 | mutex_unlock(&lport->lp_mutex); | |
1601 | fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN; | |
1602 | fcoe_ctlr_link_down(&interface->ctlr); | |
1603 | fcoe_clean_pending_queue(lport); | |
853e2bd2 BG |
1604 | } |
1605 | ||
1606 | static int bnx2fc_fw_init(struct bnx2fc_hba *hba) | |
1607 | { | |
1608 | #define BNX2FC_INIT_POLL_TIME (1000 / HZ) | |
1609 | int rc = -1; | |
1610 | int i = HZ; | |
1611 | ||
1612 | rc = bnx2fc_bind_adapter_devices(hba); | |
1613 | if (rc) { | |
1614 | printk(KERN_ALERT PFX | |
1615 | "bnx2fc_bind_adapter_devices failed - rc = %d\n", rc); | |
1616 | goto err_out; | |
1617 | } | |
1618 | ||
1619 | rc = bnx2fc_send_fw_fcoe_init_msg(hba); | |
1620 | if (rc) { | |
1621 | printk(KERN_ALERT PFX | |
1622 | "bnx2fc_send_fw_fcoe_init_msg failed - rc = %d\n", rc); | |
1623 | goto err_unbind; | |
1624 | } | |
1625 | ||
1626 | /* | |
1627 | * Wait until the adapter init message is complete, and adapter | |
1628 | * state is UP. | |
1629 | */ | |
1630 | while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && i--) | |
1631 | msleep(BNX2FC_INIT_POLL_TIME); | |
1632 | ||
1633 | if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state)) { | |
1634 | printk(KERN_ERR PFX "bnx2fc_start: %s failed to initialize. " | |
1635 | "Ignoring...\n", | |
1636 | hba->cnic->netdev->name); | |
1637 | rc = -1; | |
1638 | goto err_unbind; | |
1639 | } | |
1640 | ||
1641 | ||
aea71a02 | 1642 | set_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags); |
853e2bd2 BG |
1643 | return 0; |
1644 | ||
1645 | err_unbind: | |
1646 | bnx2fc_unbind_adapter_devices(hba); | |
1647 | err_out: | |
1648 | return rc; | |
1649 | } | |
1650 | ||
1651 | static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba) | |
1652 | { | |
aea71a02 | 1653 | if (test_and_clear_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) { |
853e2bd2 BG |
1654 | if (bnx2fc_send_fw_fcoe_destroy_msg(hba) == 0) { |
1655 | init_timer(&hba->destroy_timer); | |
1656 | hba->destroy_timer.expires = BNX2FC_FW_TIMEOUT + | |
1657 | jiffies; | |
1658 | hba->destroy_timer.function = bnx2fc_destroy_timer; | |
1659 | hba->destroy_timer.data = (unsigned long)hba; | |
1660 | add_timer(&hba->destroy_timer); | |
1661 | wait_event_interruptible(hba->destroy_wait, | |
aea71a02 BPG |
1662 | test_bit(BNX2FC_FLAG_DESTROY_CMPL, |
1663 | &hba->flags)); | |
853e2bd2 BG |
1664 | /* This should never happen */ |
1665 | if (signal_pending(current)) | |
1666 | flush_signals(current); | |
1667 | ||
1668 | del_timer_sync(&hba->destroy_timer); | |
1669 | } | |
1670 | bnx2fc_unbind_adapter_devices(hba); | |
1671 | } | |
1672 | } | |
1673 | ||
1674 | /** | |
1675 | * bnx2fc_ulp_stop - cnic callback to shutdown adapter instance | |
1676 | * | |
1677 | * @handle: transport handle pointing to adapter structure | |
1678 | * | |
1679 | * Driver checks if adapter is already in shutdown mode, if not start | |
1680 | * the shutdown process. | |
1681 | */ | |
1682 | static void bnx2fc_ulp_stop(void *handle) | |
1683 | { | |
aea71a02 BPG |
1684 | struct bnx2fc_hba *hba = handle; |
1685 | struct bnx2fc_interface *interface; | |
853e2bd2 BG |
1686 | |
1687 | printk(KERN_ERR "ULP_STOP\n"); | |
1688 | ||
1689 | mutex_lock(&bnx2fc_dev_lock); | |
aea71a02 BPG |
1690 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) |
1691 | goto exit; | |
1692 | list_for_each_entry(interface, &if_list, list) { | |
1693 | if (interface->hba == hba) | |
1694 | bnx2fc_stop(interface); | |
1695 | } | |
1696 | BUG_ON(hba->num_ofld_sess != 0); | |
1697 | ||
1698 | mutex_lock(&hba->hba_mutex); | |
1699 | clear_bit(ADAPTER_STATE_UP, &hba->adapter_state); | |
1700 | clear_bit(ADAPTER_STATE_GOING_DOWN, | |
1701 | &hba->adapter_state); | |
1702 | ||
1703 | clear_bit(ADAPTER_STATE_READY, &hba->adapter_state); | |
1704 | mutex_unlock(&hba->hba_mutex); | |
1705 | ||
853e2bd2 | 1706 | bnx2fc_fw_destroy(hba); |
aea71a02 | 1707 | exit: |
853e2bd2 BG |
1708 | mutex_unlock(&bnx2fc_dev_lock); |
1709 | } | |
1710 | ||
aea71a02 | 1711 | static void bnx2fc_start_disc(struct bnx2fc_interface *interface) |
853e2bd2 BG |
1712 | { |
1713 | struct fc_lport *lport; | |
1714 | int wait_cnt = 0; | |
1715 | ||
1716 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
1717 | /* Kick off FIP/FLOGI */ | |
aea71a02 | 1718 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) { |
853e2bd2 BG |
1719 | printk(KERN_ERR PFX "Init not done yet\n"); |
1720 | return; | |
1721 | } | |
1722 | ||
aea71a02 | 1723 | lport = interface->ctlr.lp; |
853e2bd2 BG |
1724 | BNX2FC_HBA_DBG(lport, "calling fc_fabric_login\n"); |
1725 | ||
1726 | if (!bnx2fc_link_ok(lport)) { | |
1727 | BNX2FC_HBA_DBG(lport, "ctlr_link_up\n"); | |
aea71a02 | 1728 | fcoe_ctlr_link_up(&interface->ctlr); |
853e2bd2 | 1729 | fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT; |
aea71a02 | 1730 | set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state); |
853e2bd2 BG |
1731 | } |
1732 | ||
1733 | /* wait for the FCF to be selected before issuing FLOGI */ | |
aea71a02 | 1734 | while (!interface->ctlr.sel_fcf) { |
853e2bd2 BG |
1735 | msleep(250); |
1736 | /* give up after 3 secs */ | |
1737 | if (++wait_cnt > 12) | |
1738 | break; | |
1739 | } | |
1740 | fc_lport_init(lport); | |
1741 | fc_fabric_login(lport); | |
1742 | } | |
1743 | ||
1744 | ||
1745 | /** | |
1746 | * bnx2fc_ulp_init - Initialize an adapter instance | |
1747 | * | |
1748 | * @dev : cnic device handle | |
1749 | * Called from cnic_register_driver() context to initialize all | |
1750 | * enumerated cnic devices. This routine allocates adapter structure | |
1751 | * and other device specific resources. | |
1752 | */ | |
1753 | static void bnx2fc_ulp_init(struct cnic_dev *dev) | |
1754 | { | |
1755 | struct bnx2fc_hba *hba; | |
1756 | int rc = 0; | |
1757 | ||
1758 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
1759 | /* bnx2fc works only when bnx2x is loaded */ | |
aea71a02 BPG |
1760 | if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags) || |
1761 | (dev->max_fcoe_conn == 0)) { | |
853e2bd2 | 1762 | printk(KERN_ERR PFX "bnx2fc FCoE not supported on %s," |
aea71a02 BPG |
1763 | " flags: %lx fcoe_conn: %d\n", |
1764 | dev->netdev->name, dev->flags, dev->max_fcoe_conn); | |
853e2bd2 BG |
1765 | return; |
1766 | } | |
1767 | ||
aea71a02 | 1768 | hba = bnx2fc_hba_create(dev); |
853e2bd2 BG |
1769 | if (!hba) { |
1770 | printk(KERN_ERR PFX "hba initialization failed\n"); | |
1771 | return; | |
1772 | } | |
1773 | ||
1774 | /* Add HBA to the adapter list */ | |
1775 | mutex_lock(&bnx2fc_dev_lock); | |
aea71a02 | 1776 | list_add_tail(&hba->list, &adapter_list); |
853e2bd2 BG |
1777 | adapter_count++; |
1778 | mutex_unlock(&bnx2fc_dev_lock); | |
1779 | ||
1780 | clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic); | |
1781 | rc = dev->register_device(dev, CNIC_ULP_FCOE, | |
1782 | (void *) hba); | |
1783 | if (rc) | |
b2a554ff | 1784 | printk(KERN_ERR PFX "register_device failed, rc = %d\n", rc); |
853e2bd2 BG |
1785 | else |
1786 | set_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic); | |
1787 | } | |
1788 | ||
1789 | ||
1790 | static int bnx2fc_disable(struct net_device *netdev) | |
1791 | { | |
aea71a02 | 1792 | struct bnx2fc_interface *interface; |
853e2bd2 BG |
1793 | int rc = 0; |
1794 | ||
6702ca1d | 1795 | rtnl_lock(); |
853e2bd2 BG |
1796 | mutex_lock(&bnx2fc_dev_lock); |
1797 | ||
aea71a02 BPG |
1798 | interface = bnx2fc_interface_lookup(netdev); |
1799 | if (!interface || !interface->ctlr.lp) { | |
853e2bd2 | 1800 | rc = -ENODEV; |
aea71a02 | 1801 | printk(KERN_ERR PFX "bnx2fc_disable: interface or lport not found\n"); |
853e2bd2 | 1802 | } else { |
aea71a02 BPG |
1803 | fcoe_ctlr_link_down(&interface->ctlr); |
1804 | fcoe_clean_pending_queue(interface->ctlr.lp); | |
853e2bd2 BG |
1805 | } |
1806 | ||
853e2bd2 BG |
1807 | mutex_unlock(&bnx2fc_dev_lock); |
1808 | rtnl_unlock(); | |
1809 | return rc; | |
1810 | } | |
1811 | ||
1812 | ||
1813 | static int bnx2fc_enable(struct net_device *netdev) | |
1814 | { | |
aea71a02 | 1815 | struct bnx2fc_interface *interface; |
853e2bd2 BG |
1816 | int rc = 0; |
1817 | ||
6702ca1d | 1818 | rtnl_lock(); |
853e2bd2 BG |
1819 | mutex_lock(&bnx2fc_dev_lock); |
1820 | ||
aea71a02 BPG |
1821 | interface = bnx2fc_interface_lookup(netdev); |
1822 | if (!interface || !interface->ctlr.lp) { | |
853e2bd2 | 1823 | rc = -ENODEV; |
aea71a02 BPG |
1824 | printk(KERN_ERR PFX "bnx2fc_enable: interface or lport not found\n"); |
1825 | } else if (!bnx2fc_link_ok(interface->ctlr.lp)) | |
1826 | fcoe_ctlr_link_up(&interface->ctlr); | |
853e2bd2 | 1827 | |
853e2bd2 BG |
1828 | mutex_unlock(&bnx2fc_dev_lock); |
1829 | rtnl_unlock(); | |
1830 | return rc; | |
1831 | } | |
1832 | ||
1833 | /** | |
1834 | * bnx2fc_create - Create bnx2fc FCoE interface | |
1835 | * | |
1836 | * @buffer: The name of Ethernet interface to create on | |
1837 | * @kp: The associated kernel param | |
1838 | * | |
1839 | * Called from sysfs. | |
1840 | * | |
1841 | * Returns: 0 for success | |
1842 | */ | |
1843 | static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode) | |
1844 | { | |
aea71a02 | 1845 | struct bnx2fc_interface *interface; |
853e2bd2 BG |
1846 | struct bnx2fc_hba *hba; |
1847 | struct net_device *phys_dev; | |
1848 | struct fc_lport *lport; | |
1849 | struct ethtool_drvinfo drvinfo; | |
1850 | int rc = 0; | |
1851 | int vlan_id; | |
1852 | ||
1853 | BNX2FC_MISC_DBG("Entered bnx2fc_create\n"); | |
1854 | if (fip_mode != FIP_MODE_FABRIC) { | |
1855 | printk(KERN_ERR "fip mode not FABRIC\n"); | |
1856 | return -EIO; | |
1857 | } | |
1858 | ||
6702ca1d NS |
1859 | rtnl_lock(); |
1860 | ||
853e2bd2 BG |
1861 | mutex_lock(&bnx2fc_dev_lock); |
1862 | ||
853e2bd2 BG |
1863 | if (!try_module_get(THIS_MODULE)) { |
1864 | rc = -EINVAL; | |
1865 | goto mod_err; | |
1866 | } | |
1867 | ||
1868 | /* obtain physical netdev */ | |
1869 | if (netdev->priv_flags & IFF_802_1Q_VLAN) { | |
1870 | phys_dev = vlan_dev_real_dev(netdev); | |
1871 | vlan_id = vlan_dev_vlan_id(netdev); | |
1872 | } else { | |
1873 | printk(KERN_ERR PFX "Not a vlan device\n"); | |
1874 | rc = -EINVAL; | |
1875 | goto netdev_err; | |
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); | |
aea71a02 | 1881 | if (strncmp(drvinfo.driver, "bnx2x", strlen("bnx2x"))) { |
853e2bd2 BG |
1882 | printk(KERN_ERR PFX "Not a netxtreme2 device\n"); |
1883 | rc = -EINVAL; | |
1884 | goto netdev_err; | |
1885 | } | |
1886 | } else { | |
1887 | printk(KERN_ERR PFX "unable to obtain drv_info\n"); | |
1888 | rc = -EINVAL; | |
1889 | goto netdev_err; | |
1890 | } | |
1891 | ||
aea71a02 | 1892 | /* obtain interface and initialize rest of the structure */ |
853e2bd2 BG |
1893 | hba = bnx2fc_hba_lookup(phys_dev); |
1894 | if (!hba) { | |
1895 | rc = -ENODEV; | |
1896 | printk(KERN_ERR PFX "bnx2fc_create: hba not found\n"); | |
1897 | goto netdev_err; | |
1898 | } | |
1899 | ||
aea71a02 | 1900 | if (bnx2fc_interface_lookup(netdev)) { |
853e2bd2 BG |
1901 | rc = -EEXIST; |
1902 | goto netdev_err; | |
1903 | } | |
1904 | ||
aea71a02 BPG |
1905 | interface = bnx2fc_interface_create(hba, netdev, fip_mode); |
1906 | if (!interface) { | |
1907 | printk(KERN_ERR PFX "bnx2fc_interface_create failed\n"); | |
853e2bd2 BG |
1908 | goto ifput_err; |
1909 | } | |
1910 | ||
aea71a02 BPG |
1911 | interface->vlan_id = vlan_id; |
1912 | interface->vlan_enabled = 1; | |
1913 | ||
1914 | interface->timer_work_queue = | |
853e2bd2 | 1915 | create_singlethread_workqueue("bnx2fc_timer_wq"); |
aea71a02 | 1916 | if (!interface->timer_work_queue) { |
853e2bd2 BG |
1917 | printk(KERN_ERR PFX "ulp_init could not create timer_wq\n"); |
1918 | rc = -EINVAL; | |
1919 | goto ifput_err; | |
1920 | } | |
1921 | ||
aea71a02 | 1922 | lport = bnx2fc_if_create(interface, &interface->hba->pcidev->dev, 0); |
853e2bd2 BG |
1923 | if (!lport) { |
1924 | printk(KERN_ERR PFX "Failed to create interface (%s)\n", | |
1925 | netdev->name); | |
aea71a02 | 1926 | bnx2fc_netdev_cleanup(interface); |
853e2bd2 BG |
1927 | rc = -EINVAL; |
1928 | goto if_create_err; | |
1929 | } | |
1930 | ||
aea71a02 BPG |
1931 | /* Add interface to if_list */ |
1932 | list_add_tail(&interface->list, &if_list); | |
1933 | ||
853e2bd2 BG |
1934 | lport->boot_time = jiffies; |
1935 | ||
1936 | /* Make this master N_port */ | |
aea71a02 | 1937 | interface->ctlr.lp = lport; |
853e2bd2 | 1938 | |
aea71a02 BPG |
1939 | BNX2FC_HBA_DBG(lport, "create: START DISC\n"); |
1940 | bnx2fc_start_disc(interface); | |
853e2bd2 BG |
1941 | /* |
1942 | * Release from kref_init in bnx2fc_interface_setup, on success | |
1943 | * lport should be holding a reference taken in bnx2fc_if_create | |
1944 | */ | |
aea71a02 | 1945 | bnx2fc_interface_put(interface); |
853e2bd2 BG |
1946 | /* put netdev that was held while calling dev_get_by_name */ |
1947 | mutex_unlock(&bnx2fc_dev_lock); | |
1948 | rtnl_unlock(); | |
1949 | return 0; | |
1950 | ||
1951 | if_create_err: | |
aea71a02 | 1952 | destroy_workqueue(interface->timer_work_queue); |
853e2bd2 | 1953 | ifput_err: |
aea71a02 | 1954 | bnx2fc_interface_put(interface); |
853e2bd2 BG |
1955 | netdev_err: |
1956 | module_put(THIS_MODULE); | |
1957 | mod_err: | |
1958 | mutex_unlock(&bnx2fc_dev_lock); | |
1959 | rtnl_unlock(); | |
1960 | return rc; | |
1961 | } | |
1962 | ||
1963 | /** | |
aea71a02 | 1964 | * bnx2fc_find_hba_for_cnic - maps cnic instance to bnx2fc hba instance |
853e2bd2 BG |
1965 | * |
1966 | * @cnic: Pointer to cnic device instance | |
1967 | * | |
1968 | **/ | |
1969 | static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic) | |
1970 | { | |
1971 | struct list_head *list; | |
1972 | struct list_head *temp; | |
1973 | struct bnx2fc_hba *hba; | |
1974 | ||
1975 | /* Called with bnx2fc_dev_lock held */ | |
1976 | list_for_each_safe(list, temp, &adapter_list) { | |
1977 | hba = (struct bnx2fc_hba *)list; | |
1978 | if (hba->cnic == cnic) | |
1979 | return hba; | |
1980 | } | |
1981 | return NULL; | |
1982 | } | |
1983 | ||
aea71a02 BPG |
1984 | static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device |
1985 | *netdev) | |
1986 | { | |
1987 | struct bnx2fc_interface *interface; | |
1988 | ||
1989 | /* Called with bnx2fc_dev_lock held */ | |
1990 | list_for_each_entry(interface, &if_list, list) { | |
1991 | if (interface->netdev == netdev) | |
1992 | return interface; | |
1993 | } | |
1994 | return NULL; | |
1995 | } | |
1996 | ||
1997 | static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device | |
1998 | *phys_dev) | |
853e2bd2 | 1999 | { |
853e2bd2 BG |
2000 | struct bnx2fc_hba *hba; |
2001 | ||
2002 | /* Called with bnx2fc_dev_lock held */ | |
aea71a02 | 2003 | list_for_each_entry(hba, &adapter_list, list) { |
853e2bd2 BG |
2004 | if (hba->phys_dev == phys_dev) |
2005 | return hba; | |
2006 | } | |
aea71a02 | 2007 | printk(KERN_ERR PFX "adapter_lookup: hba NULL\n"); |
853e2bd2 BG |
2008 | return NULL; |
2009 | } | |
2010 | ||
2011 | /** | |
2012 | * bnx2fc_ulp_exit - shuts down adapter instance and frees all resources | |
2013 | * | |
2014 | * @dev cnic device handle | |
2015 | */ | |
2016 | static void bnx2fc_ulp_exit(struct cnic_dev *dev) | |
2017 | { | |
2018 | struct bnx2fc_hba *hba; | |
aea71a02 BPG |
2019 | struct bnx2fc_interface *interface, *tmp; |
2020 | struct fc_lport *lport; | |
853e2bd2 BG |
2021 | |
2022 | BNX2FC_MISC_DBG("Entered bnx2fc_ulp_exit\n"); | |
2023 | ||
2024 | if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) { | |
2025 | printk(KERN_ERR PFX "bnx2fc port check: %s, flags: %lx\n", | |
2026 | dev->netdev->name, dev->flags); | |
2027 | return; | |
2028 | } | |
2029 | ||
2030 | mutex_lock(&bnx2fc_dev_lock); | |
2031 | hba = bnx2fc_find_hba_for_cnic(dev); | |
2032 | if (!hba) { | |
2033 | printk(KERN_ERR PFX "bnx2fc_ulp_exit: hba not found, dev 0%p\n", | |
2034 | dev); | |
2035 | mutex_unlock(&bnx2fc_dev_lock); | |
2036 | return; | |
2037 | } | |
2038 | ||
aea71a02 | 2039 | list_del_init(&hba->list); |
853e2bd2 BG |
2040 | adapter_count--; |
2041 | ||
aea71a02 | 2042 | list_for_each_entry_safe(interface, tmp, &if_list, list) { |
853e2bd2 | 2043 | /* destroy not called yet, move to quiesced list */ |
aea71a02 BPG |
2044 | if (interface->hba == hba) { |
2045 | bnx2fc_netdev_cleanup(interface); | |
2046 | bnx2fc_stop(interface); | |
2047 | ||
2048 | list_del(&interface->list); | |
2049 | lport = interface->ctlr.lp; | |
2050 | bnx2fc_interface_put(interface); | |
2051 | bnx2fc_if_destroy(lport, hba); | |
2052 | } | |
853e2bd2 BG |
2053 | } |
2054 | mutex_unlock(&bnx2fc_dev_lock); | |
2055 | ||
2056 | bnx2fc_ulp_stop(hba); | |
2057 | /* unregister cnic device */ | |
2058 | if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic)) | |
2059 | hba->cnic->unregister_device(hba->cnic, CNIC_ULP_FCOE); | |
aea71a02 | 2060 | bnx2fc_hba_destroy(hba); |
853e2bd2 BG |
2061 | } |
2062 | ||
2063 | /** | |
2064 | * bnx2fc_fcoe_reset - Resets the fcoe | |
2065 | * | |
2066 | * @shost: shost the reset is from | |
2067 | * | |
2068 | * Returns: always 0 | |
2069 | */ | |
2070 | static int bnx2fc_fcoe_reset(struct Scsi_Host *shost) | |
2071 | { | |
2072 | struct fc_lport *lport = shost_priv(shost); | |
2073 | fc_lport_reset(lport); | |
2074 | return 0; | |
2075 | } | |
2076 | ||
2077 | ||
2078 | static bool bnx2fc_match(struct net_device *netdev) | |
2079 | { | |
2080 | mutex_lock(&bnx2fc_dev_lock); | |
2081 | if (netdev->priv_flags & IFF_802_1Q_VLAN) { | |
2082 | struct net_device *phys_dev = vlan_dev_real_dev(netdev); | |
2083 | ||
2084 | if (bnx2fc_hba_lookup(phys_dev)) { | |
2085 | mutex_unlock(&bnx2fc_dev_lock); | |
2086 | return true; | |
2087 | } | |
2088 | } | |
2089 | mutex_unlock(&bnx2fc_dev_lock); | |
2090 | return false; | |
2091 | } | |
2092 | ||
2093 | ||
2094 | static struct fcoe_transport bnx2fc_transport = { | |
2095 | .name = {"bnx2fc"}, | |
2096 | .attached = false, | |
2097 | .list = LIST_HEAD_INIT(bnx2fc_transport.list), | |
2098 | .match = bnx2fc_match, | |
2099 | .create = bnx2fc_create, | |
2100 | .destroy = bnx2fc_destroy, | |
2101 | .enable = bnx2fc_enable, | |
2102 | .disable = bnx2fc_disable, | |
2103 | }; | |
2104 | ||
2105 | /** | |
2106 | * bnx2fc_percpu_thread_create - Create a receive thread for an | |
2107 | * online CPU | |
2108 | * | |
2109 | * @cpu: cpu index for the online cpu | |
2110 | */ | |
2111 | static void bnx2fc_percpu_thread_create(unsigned int cpu) | |
2112 | { | |
2113 | struct bnx2fc_percpu_s *p; | |
2114 | struct task_struct *thread; | |
2115 | ||
2116 | p = &per_cpu(bnx2fc_percpu, cpu); | |
2117 | ||
2118 | thread = kthread_create(bnx2fc_percpu_io_thread, | |
2119 | (void *)p, | |
2120 | "bnx2fc_thread/%d", cpu); | |
2121 | /* bind thread to the cpu */ | |
2122 | if (likely(!IS_ERR(p->iothread))) { | |
2123 | kthread_bind(thread, cpu); | |
2124 | p->iothread = thread; | |
2125 | wake_up_process(thread); | |
2126 | } | |
2127 | } | |
2128 | ||
2129 | static void bnx2fc_percpu_thread_destroy(unsigned int cpu) | |
2130 | { | |
2131 | struct bnx2fc_percpu_s *p; | |
2132 | struct task_struct *thread; | |
2133 | struct bnx2fc_work *work, *tmp; | |
2134 | LIST_HEAD(work_list); | |
2135 | ||
2136 | BNX2FC_MISC_DBG("destroying io thread for CPU %d\n", cpu); | |
2137 | ||
2138 | /* Prevent any new work from being queued for this CPU */ | |
2139 | p = &per_cpu(bnx2fc_percpu, cpu); | |
2140 | spin_lock_bh(&p->fp_work_lock); | |
2141 | thread = p->iothread; | |
2142 | p->iothread = NULL; | |
2143 | ||
2144 | ||
2145 | /* Free all work in the list */ | |
2146 | list_for_each_entry_safe(work, tmp, &work_list, list) { | |
2147 | list_del_init(&work->list); | |
2148 | bnx2fc_process_cq_compl(work->tgt, work->wqe); | |
2149 | kfree(work); | |
2150 | } | |
2151 | ||
2152 | spin_unlock_bh(&p->fp_work_lock); | |
2153 | ||
2154 | if (thread) | |
2155 | kthread_stop(thread); | |
2156 | } | |
2157 | ||
2158 | /** | |
2159 | * bnx2fc_cpu_callback - Handler for CPU hotplug events | |
2160 | * | |
2161 | * @nfb: The callback data block | |
2162 | * @action: The event triggering the callback | |
2163 | * @hcpu: The index of the CPU that the event is for | |
2164 | * | |
2165 | * This creates or destroys per-CPU data for fcoe | |
2166 | * | |
2167 | * Returns NOTIFY_OK always. | |
2168 | */ | |
2169 | static int bnx2fc_cpu_callback(struct notifier_block *nfb, | |
2170 | unsigned long action, void *hcpu) | |
2171 | { | |
2172 | unsigned cpu = (unsigned long)hcpu; | |
2173 | ||
2174 | switch (action) { | |
2175 | case CPU_ONLINE: | |
2176 | case CPU_ONLINE_FROZEN: | |
2177 | printk(PFX "CPU %x online: Create Rx thread\n", cpu); | |
2178 | bnx2fc_percpu_thread_create(cpu); | |
2179 | break; | |
2180 | case CPU_DEAD: | |
2181 | case CPU_DEAD_FROZEN: | |
2182 | printk(PFX "CPU %x offline: Remove Rx thread\n", cpu); | |
2183 | bnx2fc_percpu_thread_destroy(cpu); | |
2184 | break; | |
2185 | default: | |
2186 | break; | |
2187 | } | |
2188 | return NOTIFY_OK; | |
2189 | } | |
2190 | ||
2191 | /** | |
2192 | * bnx2fc_mod_init - module init entry point | |
2193 | * | |
2194 | * Initialize driver wide global data structures, and register | |
2195 | * with cnic module | |
2196 | **/ | |
2197 | static int __init bnx2fc_mod_init(void) | |
2198 | { | |
2199 | struct fcoe_percpu_s *bg; | |
2200 | struct task_struct *l2_thread; | |
2201 | int rc = 0; | |
2202 | unsigned int cpu = 0; | |
2203 | struct bnx2fc_percpu_s *p; | |
2204 | ||
2205 | printk(KERN_INFO PFX "%s", version); | |
2206 | ||
2207 | /* register as a fcoe transport */ | |
2208 | rc = fcoe_transport_attach(&bnx2fc_transport); | |
2209 | if (rc) { | |
2210 | printk(KERN_ERR "failed to register an fcoe transport, check " | |
2211 | "if libfcoe is loaded\n"); | |
2212 | goto out; | |
2213 | } | |
2214 | ||
2215 | INIT_LIST_HEAD(&adapter_list); | |
aea71a02 | 2216 | INIT_LIST_HEAD(&if_list); |
853e2bd2 BG |
2217 | mutex_init(&bnx2fc_dev_lock); |
2218 | adapter_count = 0; | |
2219 | ||
2220 | /* Attach FC transport template */ | |
2221 | rc = bnx2fc_attach_transport(); | |
2222 | if (rc) | |
2223 | goto detach_ft; | |
2224 | ||
2225 | bnx2fc_wq = alloc_workqueue("bnx2fc", 0, 0); | |
2226 | if (!bnx2fc_wq) { | |
2227 | rc = -ENOMEM; | |
2228 | goto release_bt; | |
2229 | } | |
2230 | ||
2231 | bg = &bnx2fc_global; | |
2232 | skb_queue_head_init(&bg->fcoe_rx_list); | |
2233 | l2_thread = kthread_create(bnx2fc_l2_rcv_thread, | |
2234 | (void *)bg, | |
2235 | "bnx2fc_l2_thread"); | |
2236 | if (IS_ERR(l2_thread)) { | |
2237 | rc = PTR_ERR(l2_thread); | |
2238 | goto free_wq; | |
2239 | } | |
2240 | wake_up_process(l2_thread); | |
2241 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
2242 | bg->thread = l2_thread; | |
2243 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
2244 | ||
2245 | for_each_possible_cpu(cpu) { | |
2246 | p = &per_cpu(bnx2fc_percpu, cpu); | |
2247 | INIT_LIST_HEAD(&p->work_list); | |
2248 | spin_lock_init(&p->fp_work_lock); | |
2249 | } | |
2250 | ||
2251 | for_each_online_cpu(cpu) { | |
2252 | bnx2fc_percpu_thread_create(cpu); | |
2253 | } | |
2254 | ||
2255 | /* Initialize per CPU interrupt thread */ | |
2256 | register_hotcpu_notifier(&bnx2fc_cpu_notifier); | |
2257 | ||
2258 | cnic_register_driver(CNIC_ULP_FCOE, &bnx2fc_cnic_cb); | |
2259 | ||
2260 | return 0; | |
2261 | ||
2262 | free_wq: | |
2263 | destroy_workqueue(bnx2fc_wq); | |
2264 | release_bt: | |
2265 | bnx2fc_release_transport(); | |
2266 | detach_ft: | |
2267 | fcoe_transport_detach(&bnx2fc_transport); | |
2268 | out: | |
2269 | return rc; | |
2270 | } | |
2271 | ||
2272 | static void __exit bnx2fc_mod_exit(void) | |
2273 | { | |
2274 | LIST_HEAD(to_be_deleted); | |
2275 | struct bnx2fc_hba *hba, *next; | |
2276 | struct fcoe_percpu_s *bg; | |
2277 | struct task_struct *l2_thread; | |
2278 | struct sk_buff *skb; | |
2279 | unsigned int cpu = 0; | |
2280 | ||
2281 | /* | |
2282 | * NOTE: Since cnic calls register_driver routine rtnl_lock, | |
2283 | * it will have higher precedence than bnx2fc_dev_lock. | |
2284 | * unregister_device() cannot be called with bnx2fc_dev_lock | |
2285 | * held. | |
2286 | */ | |
2287 | mutex_lock(&bnx2fc_dev_lock); | |
2288 | list_splice(&adapter_list, &to_be_deleted); | |
2289 | INIT_LIST_HEAD(&adapter_list); | |
2290 | adapter_count = 0; | |
2291 | mutex_unlock(&bnx2fc_dev_lock); | |
2292 | ||
2293 | /* Unregister with cnic */ | |
aea71a02 BPG |
2294 | list_for_each_entry_safe(hba, next, &to_be_deleted, list) { |
2295 | list_del_init(&hba->list); | |
2296 | printk(KERN_ERR PFX "MOD_EXIT:destroy hba = 0x%p\n", | |
2297 | hba); | |
853e2bd2 BG |
2298 | bnx2fc_ulp_stop(hba); |
2299 | /* unregister cnic device */ | |
2300 | if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, | |
2301 | &hba->reg_with_cnic)) | |
aea71a02 BPG |
2302 | hba->cnic->unregister_device(hba->cnic, |
2303 | CNIC_ULP_FCOE); | |
2304 | bnx2fc_hba_destroy(hba); | |
853e2bd2 BG |
2305 | } |
2306 | cnic_unregister_driver(CNIC_ULP_FCOE); | |
2307 | ||
2308 | /* Destroy global thread */ | |
2309 | bg = &bnx2fc_global; | |
2310 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
2311 | l2_thread = bg->thread; | |
2312 | bg->thread = NULL; | |
2313 | while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL) | |
2314 | kfree_skb(skb); | |
2315 | ||
2316 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
2317 | ||
2318 | if (l2_thread) | |
2319 | kthread_stop(l2_thread); | |
2320 | ||
2321 | unregister_hotcpu_notifier(&bnx2fc_cpu_notifier); | |
2322 | ||
2323 | /* Destroy per cpu threads */ | |
2324 | for_each_online_cpu(cpu) { | |
2325 | bnx2fc_percpu_thread_destroy(cpu); | |
2326 | } | |
2327 | ||
2328 | destroy_workqueue(bnx2fc_wq); | |
2329 | /* | |
2330 | * detach from scsi transport | |
2331 | * must happen after all destroys are done | |
2332 | */ | |
2333 | bnx2fc_release_transport(); | |
2334 | ||
2335 | /* detach from fcoe transport */ | |
2336 | fcoe_transport_detach(&bnx2fc_transport); | |
2337 | } | |
2338 | ||
2339 | module_init(bnx2fc_mod_init); | |
2340 | module_exit(bnx2fc_mod_exit); | |
2341 | ||
2342 | static struct fc_function_template bnx2fc_transport_function = { | |
2343 | .show_host_node_name = 1, | |
2344 | .show_host_port_name = 1, | |
2345 | .show_host_supported_classes = 1, | |
2346 | .show_host_supported_fc4s = 1, | |
2347 | .show_host_active_fc4s = 1, | |
2348 | .show_host_maxframe_size = 1, | |
2349 | ||
2350 | .show_host_port_id = 1, | |
2351 | .show_host_supported_speeds = 1, | |
2352 | .get_host_speed = fc_get_host_speed, | |
2353 | .show_host_speed = 1, | |
2354 | .show_host_port_type = 1, | |
2355 | .get_host_port_state = fc_get_host_port_state, | |
2356 | .show_host_port_state = 1, | |
2357 | .show_host_symbolic_name = 1, | |
2358 | ||
2359 | .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) + | |
2360 | sizeof(struct bnx2fc_rport)), | |
2361 | .show_rport_maxframe_size = 1, | |
2362 | .show_rport_supported_classes = 1, | |
2363 | ||
2364 | .show_host_fabric_name = 1, | |
2365 | .show_starget_node_name = 1, | |
2366 | .show_starget_port_name = 1, | |
2367 | .show_starget_port_id = 1, | |
2368 | .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo, | |
2369 | .show_rport_dev_loss_tmo = 1, | |
2370 | .get_fc_host_stats = bnx2fc_get_host_stats, | |
2371 | ||
2372 | .issue_fc_host_lip = bnx2fc_fcoe_reset, | |
2373 | ||
2374 | .terminate_rport_io = fc_rport_terminate_io, | |
2375 | ||
2376 | .vport_create = bnx2fc_vport_create, | |
2377 | .vport_delete = bnx2fc_vport_destroy, | |
2378 | .vport_disable = bnx2fc_vport_disable, | |
2379 | }; | |
2380 | ||
2381 | static struct fc_function_template bnx2fc_vport_xport_function = { | |
2382 | .show_host_node_name = 1, | |
2383 | .show_host_port_name = 1, | |
2384 | .show_host_supported_classes = 1, | |
2385 | .show_host_supported_fc4s = 1, | |
2386 | .show_host_active_fc4s = 1, | |
2387 | .show_host_maxframe_size = 1, | |
2388 | ||
2389 | .show_host_port_id = 1, | |
2390 | .show_host_supported_speeds = 1, | |
2391 | .get_host_speed = fc_get_host_speed, | |
2392 | .show_host_speed = 1, | |
2393 | .show_host_port_type = 1, | |
2394 | .get_host_port_state = fc_get_host_port_state, | |
2395 | .show_host_port_state = 1, | |
2396 | .show_host_symbolic_name = 1, | |
2397 | ||
2398 | .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) + | |
2399 | sizeof(struct bnx2fc_rport)), | |
2400 | .show_rport_maxframe_size = 1, | |
2401 | .show_rport_supported_classes = 1, | |
2402 | ||
2403 | .show_host_fabric_name = 1, | |
2404 | .show_starget_node_name = 1, | |
2405 | .show_starget_port_name = 1, | |
2406 | .show_starget_port_id = 1, | |
2407 | .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo, | |
2408 | .show_rport_dev_loss_tmo = 1, | |
2409 | .get_fc_host_stats = fc_get_host_stats, | |
2410 | .issue_fc_host_lip = bnx2fc_fcoe_reset, | |
2411 | .terminate_rport_io = fc_rport_terminate_io, | |
2412 | }; | |
2413 | ||
2414 | /** | |
2415 | * scsi_host_template structure used while registering with SCSI-ml | |
2416 | */ | |
2417 | static struct scsi_host_template bnx2fc_shost_template = { | |
2418 | .module = THIS_MODULE, | |
2419 | .name = "Broadcom Offload FCoE Initiator", | |
2420 | .queuecommand = bnx2fc_queuecommand, | |
2421 | .eh_abort_handler = bnx2fc_eh_abort, /* abts */ | |
2422 | .eh_device_reset_handler = bnx2fc_eh_device_reset, /* lun reset */ | |
2423 | .eh_target_reset_handler = bnx2fc_eh_target_reset, /* tgt reset */ | |
2424 | .eh_host_reset_handler = fc_eh_host_reset, | |
2425 | .slave_alloc = fc_slave_alloc, | |
2426 | .change_queue_depth = fc_change_queue_depth, | |
2427 | .change_queue_type = fc_change_queue_type, | |
2428 | .this_id = -1, | |
2429 | .cmd_per_lun = 3, | |
0ea5c275 | 2430 | .can_queue = BNX2FC_CAN_QUEUE, |
853e2bd2 BG |
2431 | .use_clustering = ENABLE_CLUSTERING, |
2432 | .sg_tablesize = BNX2FC_MAX_BDS_PER_CMD, | |
2433 | .max_sectors = 512, | |
2434 | }; | |
2435 | ||
2436 | static struct libfc_function_template bnx2fc_libfc_fcn_templ = { | |
2437 | .frame_send = bnx2fc_xmit, | |
2438 | .elsct_send = bnx2fc_elsct_send, | |
2439 | .fcp_abort_io = bnx2fc_abort_io, | |
2440 | .fcp_cleanup = bnx2fc_cleanup, | |
2441 | .rport_event_callback = bnx2fc_rport_event_handler, | |
2442 | }; | |
2443 | ||
2444 | /** | |
2445 | * bnx2fc_cnic_cb - global template of bnx2fc - cnic driver interface | |
2446 | * structure carrying callback function pointers | |
2447 | */ | |
2448 | static struct cnic_ulp_ops bnx2fc_cnic_cb = { | |
2449 | .owner = THIS_MODULE, | |
2450 | .cnic_init = bnx2fc_ulp_init, | |
2451 | .cnic_exit = bnx2fc_ulp_exit, | |
2452 | .cnic_start = bnx2fc_ulp_start, | |
2453 | .cnic_stop = bnx2fc_ulp_stop, | |
2454 | .indicate_kcqes = bnx2fc_indicate_kcqe, | |
2455 | .indicate_netevent = bnx2fc_indicate_netevent, | |
2456 | }; |