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Commit | Line | Data |
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17d87c45 | 1 | /* bnx2fc_fcoe.c: QLogic NetXtreme II Linux FCoE offload driver. |
853e2bd2 BG |
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 | * | |
cf122191 | 6 | * Copyright (c) 2008 - 2013 Broadcom Corporation |
17d87c45 | 7 | * Copyright (c) 2014, QLogic Corporation |
853e2bd2 BG |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation. | |
12 | * | |
13 | * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com) | |
14 | */ | |
15 | ||
16 | #include "bnx2fc.h" | |
17 | ||
18 | static struct list_head adapter_list; | |
aea71a02 | 19 | static struct list_head if_list; |
853e2bd2 BG |
20 | static u32 adapter_count; |
21 | static DEFINE_MUTEX(bnx2fc_dev_lock); | |
22 | DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu); | |
23 | ||
24 | #define DRV_MODULE_NAME "bnx2fc" | |
25 | #define DRV_MODULE_VERSION BNX2FC_VERSION | |
38e83bff | 26 | #define DRV_MODULE_RELDATE "Dec 11, 2013" |
853e2bd2 BG |
27 | |
28 | ||
6f039790 | 29 | static char version[] = |
17d87c45 | 30 | "QLogic NetXtreme II FCoE Driver " DRV_MODULE_NAME \ |
853e2bd2 BG |
31 | " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; |
32 | ||
33 | ||
34 | MODULE_AUTHOR("Bhanu Prakash Gollapudi <bprakash@broadcom.com>"); | |
17d87c45 | 35 | MODULE_DESCRIPTION("QLogic NetXtreme II BCM57710 FCoE Driver"); |
853e2bd2 BG |
36 | MODULE_LICENSE("GPL"); |
37 | MODULE_VERSION(DRV_MODULE_VERSION); | |
38 | ||
39 | #define BNX2FC_MAX_QUEUE_DEPTH 256 | |
40 | #define BNX2FC_MIN_QUEUE_DEPTH 32 | |
41 | #define FCOE_WORD_TO_BYTE 4 | |
42 | ||
43 | static struct scsi_transport_template *bnx2fc_transport_template; | |
44 | static struct scsi_transport_template *bnx2fc_vport_xport_template; | |
45 | ||
46 | struct workqueue_struct *bnx2fc_wq; | |
47 | ||
48 | /* bnx2fc structure needs only one instance of the fcoe_percpu_s structure. | |
49 | * Here the io threads are per cpu but the l2 thread is just one | |
50 | */ | |
51 | struct fcoe_percpu_s bnx2fc_global; | |
52 | DEFINE_SPINLOCK(bnx2fc_global_lock); | |
53 | ||
54 | static struct cnic_ulp_ops bnx2fc_cnic_cb; | |
55 | static struct libfc_function_template bnx2fc_libfc_fcn_templ; | |
56 | static struct scsi_host_template bnx2fc_shost_template; | |
57 | static struct fc_function_template bnx2fc_transport_function; | |
8d55e507 | 58 | static struct fcoe_sysfs_function_template bnx2fc_fcoe_sysfs_templ; |
853e2bd2 BG |
59 | static struct fc_function_template bnx2fc_vport_xport_function; |
60 | static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode); | |
eccdcd02 | 61 | static void __bnx2fc_destroy(struct bnx2fc_interface *interface); |
853e2bd2 BG |
62 | static int bnx2fc_destroy(struct net_device *net_device); |
63 | static int bnx2fc_enable(struct net_device *netdev); | |
64 | static int bnx2fc_disable(struct net_device *netdev); | |
65 | ||
6e89ea3f RL |
66 | /* fcoe_syfs control interface handlers */ |
67 | static int bnx2fc_ctlr_alloc(struct net_device *netdev); | |
68 | static int bnx2fc_ctlr_enabled(struct fcoe_ctlr_device *cdev); | |
69 | ||
853e2bd2 BG |
70 | static void bnx2fc_recv_frame(struct sk_buff *skb); |
71 | ||
aea71a02 | 72 | static void bnx2fc_start_disc(struct bnx2fc_interface *interface); |
853e2bd2 | 73 | static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev); |
853e2bd2 | 74 | static int bnx2fc_lport_config(struct fc_lport *lport); |
0eb43b4b | 75 | static int bnx2fc_em_config(struct fc_lport *lport, struct bnx2fc_hba *hba); |
853e2bd2 BG |
76 | static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba); |
77 | static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba); | |
78 | static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba); | |
79 | static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba); | |
aea71a02 | 80 | static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface, |
853e2bd2 BG |
81 | struct device *parent, int npiv); |
82 | static void bnx2fc_destroy_work(struct work_struct *work); | |
83 | ||
84 | static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev); | |
aea71a02 BPG |
85 | static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device |
86 | *phys_dev); | |
abc49a93 | 87 | static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface); |
853e2bd2 BG |
88 | static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic); |
89 | ||
90 | static int bnx2fc_fw_init(struct bnx2fc_hba *hba); | |
91 | static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba); | |
92 | ||
93 | static void bnx2fc_port_shutdown(struct fc_lport *lport); | |
aea71a02 | 94 | static void bnx2fc_stop(struct bnx2fc_interface *interface); |
853e2bd2 BG |
95 | static int __init bnx2fc_mod_init(void); |
96 | static void __exit bnx2fc_mod_exit(void); | |
97 | ||
98 | unsigned int bnx2fc_debug_level; | |
99 | module_param_named(debug_logging, bnx2fc_debug_level, int, S_IRUGO|S_IWUSR); | |
100 | ||
101 | static int bnx2fc_cpu_callback(struct notifier_block *nfb, | |
102 | unsigned long action, void *hcpu); | |
103 | /* notification function for CPU hotplug events */ | |
104 | static struct notifier_block bnx2fc_cpu_notifier = { | |
105 | .notifier_call = bnx2fc_cpu_callback, | |
106 | }; | |
107 | ||
f72f6979 BPG |
108 | static inline struct net_device *bnx2fc_netdev(const struct fc_lport *lport) |
109 | { | |
110 | return ((struct bnx2fc_interface *) | |
111 | ((struct fcoe_port *)lport_priv(lport))->priv)->netdev; | |
112 | } | |
113 | ||
8d55e507 RL |
114 | static void bnx2fc_fcf_get_vlan_id(struct fcoe_fcf_device *fcf_dev) |
115 | { | |
116 | struct fcoe_ctlr_device *ctlr_dev = | |
117 | fcoe_fcf_dev_to_ctlr_dev(fcf_dev); | |
118 | struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev); | |
119 | struct bnx2fc_interface *fcoe = fcoe_ctlr_priv(ctlr); | |
120 | ||
121 | fcf_dev->vlan_id = fcoe->vlan_id; | |
122 | } | |
123 | ||
853e2bd2 BG |
124 | static void bnx2fc_clean_rx_queue(struct fc_lport *lp) |
125 | { | |
126 | struct fcoe_percpu_s *bg; | |
127 | struct fcoe_rcv_info *fr; | |
128 | struct sk_buff_head *list; | |
129 | struct sk_buff *skb, *next; | |
130 | struct sk_buff *head; | |
131 | ||
132 | bg = &bnx2fc_global; | |
133 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
134 | list = &bg->fcoe_rx_list; | |
135 | head = list->next; | |
136 | for (skb = head; skb != (struct sk_buff *)list; | |
137 | skb = next) { | |
138 | next = skb->next; | |
139 | fr = fcoe_dev_from_skb(skb); | |
140 | if (fr->fr_dev == lp) { | |
141 | __skb_unlink(skb, list); | |
142 | kfree_skb(skb); | |
143 | } | |
144 | } | |
145 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
146 | } | |
147 | ||
148 | int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen) | |
149 | { | |
150 | int rc; | |
151 | spin_lock(&bnx2fc_global_lock); | |
152 | rc = fcoe_get_paged_crc_eof(skb, tlen, &bnx2fc_global); | |
153 | spin_unlock(&bnx2fc_global_lock); | |
154 | ||
155 | return rc; | |
156 | } | |
157 | ||
158 | static void bnx2fc_abort_io(struct fc_lport *lport) | |
159 | { | |
160 | /* | |
161 | * This function is no-op for bnx2fc, but we do | |
162 | * not want to leave it as NULL either, as libfc | |
163 | * can call the default function which is | |
164 | * fc_fcp_abort_io. | |
165 | */ | |
166 | } | |
167 | ||
168 | static void bnx2fc_cleanup(struct fc_lport *lport) | |
169 | { | |
170 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 BPG |
171 | struct bnx2fc_interface *interface = port->priv; |
172 | struct bnx2fc_hba *hba = interface->hba; | |
853e2bd2 BG |
173 | struct bnx2fc_rport *tgt; |
174 | int i; | |
175 | ||
176 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
177 | mutex_lock(&hba->hba_mutex); | |
178 | spin_lock_bh(&hba->hba_lock); | |
179 | for (i = 0; i < BNX2FC_NUM_MAX_SESS; i++) { | |
180 | tgt = hba->tgt_ofld_list[i]; | |
181 | if (tgt) { | |
182 | /* Cleanup IOs belonging to requested vport */ | |
183 | if (tgt->port == port) { | |
184 | spin_unlock_bh(&hba->hba_lock); | |
185 | BNX2FC_TGT_DBG(tgt, "flush/cleanup\n"); | |
186 | bnx2fc_flush_active_ios(tgt); | |
187 | spin_lock_bh(&hba->hba_lock); | |
188 | } | |
189 | } | |
190 | } | |
191 | spin_unlock_bh(&hba->hba_lock); | |
192 | mutex_unlock(&hba->hba_mutex); | |
193 | } | |
194 | ||
195 | static int bnx2fc_xmit_l2_frame(struct bnx2fc_rport *tgt, | |
196 | struct fc_frame *fp) | |
197 | { | |
198 | struct fc_rport_priv *rdata = tgt->rdata; | |
199 | struct fc_frame_header *fh; | |
200 | int rc = 0; | |
201 | ||
202 | fh = fc_frame_header_get(fp); | |
203 | BNX2FC_TGT_DBG(tgt, "Xmit L2 frame rport = 0x%x, oxid = 0x%x, " | |
204 | "r_ctl = 0x%x\n", rdata->ids.port_id, | |
205 | ntohs(fh->fh_ox_id), fh->fh_r_ctl); | |
206 | if ((fh->fh_type == FC_TYPE_ELS) && | |
207 | (fh->fh_r_ctl == FC_RCTL_ELS_REQ)) { | |
208 | ||
209 | switch (fc_frame_payload_op(fp)) { | |
210 | case ELS_ADISC: | |
211 | rc = bnx2fc_send_adisc(tgt, fp); | |
212 | break; | |
213 | case ELS_LOGO: | |
214 | rc = bnx2fc_send_logo(tgt, fp); | |
215 | break; | |
216 | case ELS_RLS: | |
217 | rc = bnx2fc_send_rls(tgt, fp); | |
218 | break; | |
219 | default: | |
220 | break; | |
221 | } | |
222 | } else if ((fh->fh_type == FC_TYPE_BLS) && | |
223 | (fh->fh_r_ctl == FC_RCTL_BA_ABTS)) | |
224 | BNX2FC_TGT_DBG(tgt, "ABTS frame\n"); | |
225 | else { | |
226 | BNX2FC_TGT_DBG(tgt, "Send L2 frame type 0x%x " | |
227 | "rctl 0x%x thru non-offload path\n", | |
228 | fh->fh_type, fh->fh_r_ctl); | |
229 | return -ENODEV; | |
230 | } | |
231 | if (rc) | |
232 | return -ENOMEM; | |
233 | else | |
234 | return 0; | |
235 | } | |
236 | ||
237 | /** | |
238 | * bnx2fc_xmit - bnx2fc's FCoE frame transmit function | |
239 | * | |
240 | * @lport: the associated local port | |
241 | * @fp: the fc_frame to be transmitted | |
242 | */ | |
243 | static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp) | |
244 | { | |
245 | struct ethhdr *eh; | |
246 | struct fcoe_crc_eof *cp; | |
247 | struct sk_buff *skb; | |
248 | struct fc_frame_header *fh; | |
aea71a02 | 249 | struct bnx2fc_interface *interface; |
fd8f8902 | 250 | struct fcoe_ctlr *ctlr; |
aea71a02 | 251 | struct bnx2fc_hba *hba; |
853e2bd2 BG |
252 | struct fcoe_port *port; |
253 | struct fcoe_hdr *hp; | |
254 | struct bnx2fc_rport *tgt; | |
1bd49b48 | 255 | struct fc_stats *stats; |
853e2bd2 BG |
256 | u8 sof, eof; |
257 | u32 crc; | |
258 | unsigned int hlen, tlen, elen; | |
259 | int wlen, rc = 0; | |
260 | ||
261 | port = (struct fcoe_port *)lport_priv(lport); | |
aea71a02 | 262 | interface = port->priv; |
fd8f8902 | 263 | ctlr = bnx2fc_to_ctlr(interface); |
aea71a02 | 264 | hba = interface->hba; |
853e2bd2 BG |
265 | |
266 | fh = fc_frame_header_get(fp); | |
267 | ||
268 | skb = fp_skb(fp); | |
269 | if (!lport->link_up) { | |
270 | BNX2FC_HBA_DBG(lport, "bnx2fc_xmit link down\n"); | |
271 | kfree_skb(skb); | |
272 | return 0; | |
273 | } | |
274 | ||
275 | if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ)) { | |
fd8f8902 | 276 | if (!ctlr->sel_fcf) { |
853e2bd2 BG |
277 | BNX2FC_HBA_DBG(lport, "FCF not selected yet!\n"); |
278 | kfree_skb(skb); | |
279 | return -EINVAL; | |
280 | } | |
fd8f8902 | 281 | if (fcoe_ctlr_els_send(ctlr, lport, skb)) |
853e2bd2 BG |
282 | return 0; |
283 | } | |
284 | ||
285 | sof = fr_sof(fp); | |
286 | eof = fr_eof(fp); | |
287 | ||
288 | /* | |
289 | * Snoop the frame header to check if the frame is for | |
290 | * an offloaded session | |
291 | */ | |
292 | /* | |
293 | * tgt_ofld_list access is synchronized using | |
294 | * both hba mutex and hba lock. Atleast hba mutex or | |
295 | * hba lock needs to be held for read access. | |
296 | */ | |
297 | ||
298 | spin_lock_bh(&hba->hba_lock); | |
299 | tgt = bnx2fc_tgt_lookup(port, ntoh24(fh->fh_d_id)); | |
300 | if (tgt && (test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags))) { | |
301 | /* This frame is for offloaded session */ | |
302 | BNX2FC_HBA_DBG(lport, "xmit: Frame is for offloaded session " | |
303 | "port_id = 0x%x\n", ntoh24(fh->fh_d_id)); | |
304 | spin_unlock_bh(&hba->hba_lock); | |
305 | rc = bnx2fc_xmit_l2_frame(tgt, fp); | |
306 | if (rc != -ENODEV) { | |
307 | kfree_skb(skb); | |
308 | return rc; | |
309 | } | |
310 | } else { | |
311 | spin_unlock_bh(&hba->hba_lock); | |
312 | } | |
313 | ||
314 | elen = sizeof(struct ethhdr); | |
315 | hlen = sizeof(struct fcoe_hdr); | |
316 | tlen = sizeof(struct fcoe_crc_eof); | |
317 | wlen = (skb->len - tlen + sizeof(crc)) / FCOE_WORD_TO_BYTE; | |
318 | ||
319 | skb->ip_summed = CHECKSUM_NONE; | |
320 | crc = fcoe_fc_crc(fp); | |
321 | ||
322 | /* copy port crc and eof to the skb buff */ | |
323 | if (skb_is_nonlinear(skb)) { | |
324 | skb_frag_t *frag; | |
325 | if (bnx2fc_get_paged_crc_eof(skb, tlen)) { | |
326 | kfree_skb(skb); | |
327 | return -ENOMEM; | |
328 | } | |
329 | frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1]; | |
77dfce07 | 330 | cp = kmap_atomic(skb_frag_page(frag)) + frag->page_offset; |
853e2bd2 BG |
331 | } else { |
332 | cp = (struct fcoe_crc_eof *)skb_put(skb, tlen); | |
333 | } | |
334 | ||
335 | memset(cp, 0, sizeof(*cp)); | |
336 | cp->fcoe_eof = eof; | |
337 | cp->fcoe_crc32 = cpu_to_le32(~crc); | |
338 | if (skb_is_nonlinear(skb)) { | |
77dfce07 | 339 | kunmap_atomic(cp); |
853e2bd2 BG |
340 | cp = NULL; |
341 | } | |
342 | ||
343 | /* adjust skb network/transport offsets to match mac/fcoe/port */ | |
344 | skb_push(skb, elen + hlen); | |
345 | skb_reset_mac_header(skb); | |
346 | skb_reset_network_header(skb); | |
347 | skb->mac_len = elen; | |
348 | skb->protocol = htons(ETH_P_FCOE); | |
aea71a02 | 349 | skb->dev = interface->netdev; |
853e2bd2 BG |
350 | |
351 | /* fill up mac and fcoe headers */ | |
352 | eh = eth_hdr(skb); | |
353 | eh->h_proto = htons(ETH_P_FCOE); | |
fd8f8902 | 354 | if (ctlr->map_dest) |
853e2bd2 BG |
355 | fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id); |
356 | else | |
357 | /* insert GW address */ | |
fd8f8902 | 358 | memcpy(eh->h_dest, ctlr->dest_addr, ETH_ALEN); |
853e2bd2 | 359 | |
fd8f8902 RL |
360 | if (unlikely(ctlr->flogi_oxid != FC_XID_UNKNOWN)) |
361 | memcpy(eh->h_source, ctlr->ctl_src_addr, ETH_ALEN); | |
853e2bd2 BG |
362 | else |
363 | memcpy(eh->h_source, port->data_src_addr, ETH_ALEN); | |
364 | ||
365 | hp = (struct fcoe_hdr *)(eh + 1); | |
366 | memset(hp, 0, sizeof(*hp)); | |
367 | if (FC_FCOE_VER) | |
368 | FC_FCOE_ENCAPS_VER(hp, FC_FCOE_VER); | |
369 | hp->fcoe_sof = sof; | |
370 | ||
371 | /* fcoe lso, mss is in max_payload which is non-zero for FCP data */ | |
372 | if (lport->seq_offload && fr_max_payload(fp)) { | |
373 | skb_shinfo(skb)->gso_type = SKB_GSO_FCOE; | |
374 | skb_shinfo(skb)->gso_size = fr_max_payload(fp); | |
375 | } else { | |
376 | skb_shinfo(skb)->gso_type = 0; | |
377 | skb_shinfo(skb)->gso_size = 0; | |
378 | } | |
379 | ||
380 | /*update tx stats */ | |
1bd49b48 | 381 | stats = per_cpu_ptr(lport->stats, get_cpu()); |
853e2bd2 BG |
382 | stats->TxFrames++; |
383 | stats->TxWords += wlen; | |
384 | put_cpu(); | |
385 | ||
386 | /* send down to lld */ | |
387 | fr_dev(fp) = lport; | |
388 | if (port->fcoe_pending_queue.qlen) | |
389 | fcoe_check_wait_queue(lport, skb); | |
390 | else if (fcoe_start_io(skb)) | |
391 | fcoe_check_wait_queue(lport, skb); | |
392 | ||
393 | return 0; | |
394 | } | |
395 | ||
396 | /** | |
397 | * bnx2fc_rcv - This is bnx2fc's receive function called by NET_RX_SOFTIRQ | |
398 | * | |
399 | * @skb: the receive socket buffer | |
400 | * @dev: associated net device | |
401 | * @ptype: context | |
402 | * @olddev: last device | |
403 | * | |
404 | * This function receives the packet and builds FC frame and passes it up | |
405 | */ | |
406 | static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev, | |
407 | struct packet_type *ptype, struct net_device *olddev) | |
408 | { | |
409 | struct fc_lport *lport; | |
aea71a02 | 410 | struct bnx2fc_interface *interface; |
fd8f8902 | 411 | struct fcoe_ctlr *ctlr; |
853e2bd2 BG |
412 | struct fc_frame_header *fh; |
413 | struct fcoe_rcv_info *fr; | |
414 | struct fcoe_percpu_s *bg; | |
01a4cc4d | 415 | struct sk_buff *tmp_skb; |
853e2bd2 BG |
416 | unsigned short oxid; |
417 | ||
aea71a02 BPG |
418 | interface = container_of(ptype, struct bnx2fc_interface, |
419 | fcoe_packet_type); | |
fd8f8902 RL |
420 | ctlr = bnx2fc_to_ctlr(interface); |
421 | lport = ctlr->lp; | |
853e2bd2 BG |
422 | |
423 | if (unlikely(lport == NULL)) { | |
b2a554ff | 424 | printk(KERN_ERR PFX "bnx2fc_rcv: lport is NULL\n"); |
853e2bd2 BG |
425 | goto err; |
426 | } | |
427 | ||
01a4cc4d ML |
428 | tmp_skb = skb_share_check(skb, GFP_ATOMIC); |
429 | if (!tmp_skb) | |
430 | goto err; | |
431 | ||
432 | skb = tmp_skb; | |
433 | ||
853e2bd2 | 434 | if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) { |
b2a554ff | 435 | printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n"); |
853e2bd2 BG |
436 | goto err; |
437 | } | |
438 | ||
439 | /* | |
440 | * Check for minimum frame length, and make sure required FCoE | |
441 | * and FC headers are pulled into the linear data area. | |
442 | */ | |
443 | if (unlikely((skb->len < FCOE_MIN_FRAME) || | |
444 | !pskb_may_pull(skb, FCOE_HEADER_LEN))) | |
445 | goto err; | |
446 | ||
447 | skb_set_transport_header(skb, sizeof(struct fcoe_hdr)); | |
448 | fh = (struct fc_frame_header *) skb_transport_header(skb); | |
449 | ||
450 | oxid = ntohs(fh->fh_ox_id); | |
451 | ||
452 | fr = fcoe_dev_from_skb(skb); | |
453 | fr->fr_dev = lport; | |
853e2bd2 BG |
454 | |
455 | bg = &bnx2fc_global; | |
fc05ab74 | 456 | spin_lock(&bg->fcoe_rx_list.lock); |
853e2bd2 BG |
457 | |
458 | __skb_queue_tail(&bg->fcoe_rx_list, skb); | |
459 | if (bg->fcoe_rx_list.qlen == 1) | |
460 | wake_up_process(bg->thread); | |
461 | ||
fc05ab74 | 462 | spin_unlock(&bg->fcoe_rx_list.lock); |
853e2bd2 BG |
463 | |
464 | return 0; | |
465 | err: | |
466 | kfree_skb(skb); | |
467 | return -1; | |
468 | } | |
469 | ||
470 | static int bnx2fc_l2_rcv_thread(void *arg) | |
471 | { | |
472 | struct fcoe_percpu_s *bg = arg; | |
473 | struct sk_buff *skb; | |
474 | ||
8698a745 | 475 | set_user_nice(current, MIN_NICE); |
853e2bd2 BG |
476 | set_current_state(TASK_INTERRUPTIBLE); |
477 | while (!kthread_should_stop()) { | |
478 | schedule(); | |
853e2bd2 BG |
479 | spin_lock_bh(&bg->fcoe_rx_list.lock); |
480 | while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL) { | |
481 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
482 | bnx2fc_recv_frame(skb); | |
483 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
484 | } | |
fee78712 | 485 | __set_current_state(TASK_INTERRUPTIBLE); |
853e2bd2 | 486 | spin_unlock_bh(&bg->fcoe_rx_list.lock); |
853e2bd2 | 487 | } |
fee78712 | 488 | __set_current_state(TASK_RUNNING); |
853e2bd2 BG |
489 | return 0; |
490 | } | |
491 | ||
492 | ||
493 | static void bnx2fc_recv_frame(struct sk_buff *skb) | |
494 | { | |
495 | u32 fr_len; | |
496 | struct fc_lport *lport; | |
497 | struct fcoe_rcv_info *fr; | |
1bd49b48 | 498 | struct fc_stats *stats; |
853e2bd2 BG |
499 | struct fc_frame_header *fh; |
500 | struct fcoe_crc_eof crc_eof; | |
501 | struct fc_frame *fp; | |
502 | struct fc_lport *vn_port; | |
503 | struct fcoe_port *port; | |
504 | u8 *mac = NULL; | |
505 | u8 *dest_mac = NULL; | |
506 | struct fcoe_hdr *hp; | |
507 | ||
508 | fr = fcoe_dev_from_skb(skb); | |
509 | lport = fr->fr_dev; | |
510 | if (unlikely(lport == NULL)) { | |
b2a554ff | 511 | printk(KERN_ERR PFX "Invalid lport struct\n"); |
853e2bd2 BG |
512 | kfree_skb(skb); |
513 | return; | |
514 | } | |
515 | ||
516 | if (skb_is_nonlinear(skb)) | |
517 | skb_linearize(skb); | |
518 | mac = eth_hdr(skb)->h_source; | |
519 | dest_mac = eth_hdr(skb)->h_dest; | |
520 | ||
521 | /* Pull the header */ | |
522 | hp = (struct fcoe_hdr *) skb_network_header(skb); | |
523 | fh = (struct fc_frame_header *) skb_transport_header(skb); | |
524 | skb_pull(skb, sizeof(struct fcoe_hdr)); | |
525 | fr_len = skb->len - sizeof(struct fcoe_crc_eof); | |
526 | ||
853e2bd2 BG |
527 | fp = (struct fc_frame *)skb; |
528 | fc_frame_init(fp); | |
529 | fr_dev(fp) = lport; | |
530 | fr_sof(fp) = hp->fcoe_sof; | |
531 | if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) { | |
853e2bd2 BG |
532 | kfree_skb(skb); |
533 | return; | |
534 | } | |
535 | fr_eof(fp) = crc_eof.fcoe_eof; | |
536 | fr_crc(fp) = crc_eof.fcoe_crc32; | |
537 | if (pskb_trim(skb, fr_len)) { | |
853e2bd2 BG |
538 | kfree_skb(skb); |
539 | return; | |
540 | } | |
541 | ||
542 | fh = fc_frame_header_get(fp); | |
543 | ||
544 | vn_port = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id)); | |
545 | if (vn_port) { | |
546 | port = lport_priv(vn_port); | |
6942df7f | 547 | if (!ether_addr_equal(port->data_src_addr, dest_mac)) { |
853e2bd2 | 548 | BNX2FC_HBA_DBG(lport, "fpma mismatch\n"); |
853e2bd2 BG |
549 | kfree_skb(skb); |
550 | return; | |
551 | } | |
552 | } | |
553 | if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA && | |
554 | fh->fh_type == FC_TYPE_FCP) { | |
555 | /* Drop FCP data. We dont this in L2 path */ | |
853e2bd2 BG |
556 | kfree_skb(skb); |
557 | return; | |
558 | } | |
559 | if (fh->fh_r_ctl == FC_RCTL_ELS_REQ && | |
560 | fh->fh_type == FC_TYPE_ELS) { | |
561 | switch (fc_frame_payload_op(fp)) { | |
562 | case ELS_LOGO: | |
563 | if (ntoh24(fh->fh_s_id) == FC_FID_FLOGI) { | |
564 | /* drop non-FIP LOGO */ | |
853e2bd2 BG |
565 | kfree_skb(skb); |
566 | return; | |
567 | } | |
568 | break; | |
569 | } | |
570 | } | |
3f8744d1 BPG |
571 | |
572 | if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) { | |
573 | /* Drop incoming ABTS */ | |
3f8744d1 BPG |
574 | kfree_skb(skb); |
575 | return; | |
576 | } | |
577 | ||
d576a5e8 NH |
578 | stats = per_cpu_ptr(lport->stats, smp_processor_id()); |
579 | stats->RxFrames++; | |
580 | stats->RxWords += fr_len / FCOE_WORD_TO_BYTE; | |
581 | ||
853e2bd2 BG |
582 | if (le32_to_cpu(fr_crc(fp)) != |
583 | ~crc32(~0, skb->data, fr_len)) { | |
584 | if (stats->InvalidCRCCount < 5) | |
585 | printk(KERN_WARNING PFX "dropping frame with " | |
586 | "CRC error\n"); | |
587 | stats->InvalidCRCCount++; | |
853e2bd2 BG |
588 | kfree_skb(skb); |
589 | return; | |
590 | } | |
853e2bd2 BG |
591 | fc_exch_recv(lport, fp); |
592 | } | |
593 | ||
594 | /** | |
595 | * bnx2fc_percpu_io_thread - thread per cpu for ios | |
596 | * | |
597 | * @arg: ptr to bnx2fc_percpu_info structure | |
598 | */ | |
599 | int bnx2fc_percpu_io_thread(void *arg) | |
600 | { | |
601 | struct bnx2fc_percpu_s *p = arg; | |
602 | struct bnx2fc_work *work, *tmp; | |
603 | LIST_HEAD(work_list); | |
604 | ||
8698a745 | 605 | set_user_nice(current, MIN_NICE); |
853e2bd2 BG |
606 | set_current_state(TASK_INTERRUPTIBLE); |
607 | while (!kthread_should_stop()) { | |
608 | schedule(); | |
853e2bd2 BG |
609 | spin_lock_bh(&p->fp_work_lock); |
610 | while (!list_empty(&p->work_list)) { | |
611 | list_splice_init(&p->work_list, &work_list); | |
612 | spin_unlock_bh(&p->fp_work_lock); | |
613 | ||
614 | list_for_each_entry_safe(work, tmp, &work_list, list) { | |
615 | list_del_init(&work->list); | |
616 | bnx2fc_process_cq_compl(work->tgt, work->wqe); | |
617 | kfree(work); | |
618 | } | |
619 | ||
620 | spin_lock_bh(&p->fp_work_lock); | |
621 | } | |
fee78712 | 622 | __set_current_state(TASK_INTERRUPTIBLE); |
853e2bd2 | 623 | spin_unlock_bh(&p->fp_work_lock); |
853e2bd2 | 624 | } |
fee78712 | 625 | __set_current_state(TASK_RUNNING); |
853e2bd2 BG |
626 | |
627 | return 0; | |
628 | } | |
629 | ||
630 | static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost) | |
631 | { | |
632 | struct fc_host_statistics *bnx2fc_stats; | |
633 | struct fc_lport *lport = shost_priv(shost); | |
634 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 BPG |
635 | struct bnx2fc_interface *interface = port->priv; |
636 | struct bnx2fc_hba *hba = interface->hba; | |
853e2bd2 BG |
637 | struct fcoe_statistics_params *fw_stats; |
638 | int rc = 0; | |
639 | ||
640 | fw_stats = (struct fcoe_statistics_params *)hba->stats_buffer; | |
641 | if (!fw_stats) | |
642 | return NULL; | |
643 | ||
644 | bnx2fc_stats = fc_get_host_stats(shost); | |
645 | ||
646 | init_completion(&hba->stat_req_done); | |
647 | if (bnx2fc_send_stat_req(hba)) | |
648 | return bnx2fc_stats; | |
649 | rc = wait_for_completion_timeout(&hba->stat_req_done, (2 * HZ)); | |
650 | if (!rc) { | |
651 | BNX2FC_HBA_DBG(lport, "FW stat req timed out\n"); | |
652 | return bnx2fc_stats; | |
653 | } | |
f246fe2a BPG |
654 | BNX2FC_STATS(hba, rx_stat2, fc_crc_cnt); |
655 | bnx2fc_stats->invalid_crc_count += hba->bfw_stats.fc_crc_cnt; | |
656 | BNX2FC_STATS(hba, tx_stat, fcoe_tx_pkt_cnt); | |
657 | bnx2fc_stats->tx_frames += hba->bfw_stats.fcoe_tx_pkt_cnt; | |
658 | BNX2FC_STATS(hba, tx_stat, fcoe_tx_byte_cnt); | |
659 | bnx2fc_stats->tx_words += ((hba->bfw_stats.fcoe_tx_byte_cnt) / 4); | |
660 | BNX2FC_STATS(hba, rx_stat0, fcoe_rx_pkt_cnt); | |
661 | bnx2fc_stats->rx_frames += hba->bfw_stats.fcoe_rx_pkt_cnt; | |
662 | BNX2FC_STATS(hba, rx_stat0, fcoe_rx_byte_cnt); | |
663 | bnx2fc_stats->rx_words += ((hba->bfw_stats.fcoe_rx_byte_cnt) / 4); | |
853e2bd2 BG |
664 | |
665 | bnx2fc_stats->dumped_frames = 0; | |
666 | bnx2fc_stats->lip_count = 0; | |
667 | bnx2fc_stats->nos_count = 0; | |
668 | bnx2fc_stats->loss_of_sync_count = 0; | |
669 | bnx2fc_stats->loss_of_signal_count = 0; | |
670 | bnx2fc_stats->prim_seq_protocol_err_count = 0; | |
671 | ||
f246fe2a BPG |
672 | memcpy(&hba->prev_stats, hba->stats_buffer, |
673 | sizeof(struct fcoe_statistics_params)); | |
853e2bd2 BG |
674 | return bnx2fc_stats; |
675 | } | |
676 | ||
677 | static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev) | |
678 | { | |
679 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 | 680 | struct bnx2fc_interface *interface = port->priv; |
c13d2b6d | 681 | struct bnx2fc_hba *hba = interface->hba; |
853e2bd2 BG |
682 | struct Scsi_Host *shost = lport->host; |
683 | int rc = 0; | |
684 | ||
685 | shost->max_cmd_len = BNX2FC_MAX_CMD_LEN; | |
686 | shost->max_lun = BNX2FC_MAX_LUN; | |
687 | shost->max_id = BNX2FC_MAX_FCP_TGT; | |
688 | shost->max_channel = 0; | |
689 | if (lport->vport) | |
690 | shost->transportt = bnx2fc_vport_xport_template; | |
691 | else | |
692 | shost->transportt = bnx2fc_transport_template; | |
693 | ||
694 | /* Add the new host to SCSI-ml */ | |
695 | rc = scsi_add_host(lport->host, dev); | |
696 | if (rc) { | |
697 | printk(KERN_ERR PFX "Error on scsi_add_host\n"); | |
698 | return rc; | |
699 | } | |
700 | if (!lport->vport) | |
701 | fc_host_max_npiv_vports(lport->host) = USHRT_MAX; | |
c13d2b6d | 702 | snprintf(fc_host_symbolic_name(lport->host), 256, |
17d87c45 | 703 | "%s (QLogic %s) v%s over %s", |
c13d2b6d | 704 | BNX2FC_NAME, hba->chip_num, BNX2FC_VERSION, |
aea71a02 | 705 | interface->netdev->name); |
853e2bd2 BG |
706 | |
707 | return 0; | |
708 | } | |
709 | ||
853e2bd2 BG |
710 | static int bnx2fc_link_ok(struct fc_lport *lport) |
711 | { | |
712 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 BPG |
713 | struct bnx2fc_interface *interface = port->priv; |
714 | struct bnx2fc_hba *hba = interface->hba; | |
853e2bd2 BG |
715 | struct net_device *dev = hba->phys_dev; |
716 | int rc = 0; | |
717 | ||
718 | if ((dev->flags & IFF_UP) && netif_carrier_ok(dev)) | |
719 | clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); | |
720 | else { | |
721 | set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); | |
722 | rc = -1; | |
723 | } | |
724 | return rc; | |
725 | } | |
726 | ||
727 | /** | |
728 | * bnx2fc_get_link_state - get network link state | |
729 | * | |
730 | * @hba: adapter instance pointer | |
731 | * | |
732 | * updates adapter structure flag based on netdev state | |
733 | */ | |
734 | void bnx2fc_get_link_state(struct bnx2fc_hba *hba) | |
735 | { | |
aea71a02 | 736 | if (test_bit(__LINK_STATE_NOCARRIER, &hba->phys_dev->state)) |
853e2bd2 BG |
737 | set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); |
738 | else | |
739 | clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); | |
740 | } | |
741 | ||
52439607 | 742 | static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev) |
853e2bd2 BG |
743 | { |
744 | struct bnx2fc_hba *hba; | |
aea71a02 | 745 | struct bnx2fc_interface *interface; |
fd8f8902 | 746 | struct fcoe_ctlr *ctlr; |
853e2bd2 BG |
747 | struct fcoe_port *port; |
748 | u64 wwnn, wwpn; | |
749 | ||
750 | port = lport_priv(lport); | |
aea71a02 | 751 | interface = port->priv; |
fd8f8902 | 752 | ctlr = bnx2fc_to_ctlr(interface); |
aea71a02 | 753 | hba = interface->hba; |
853e2bd2 BG |
754 | |
755 | /* require support for get_pauseparam ethtool op. */ | |
756 | if (!hba->phys_dev->ethtool_ops || | |
757 | !hba->phys_dev->ethtool_ops->get_pauseparam) | |
758 | return -EOPNOTSUPP; | |
759 | ||
1294bfe6 | 760 | if (fc_set_mfs(lport, BNX2FC_MFS)) |
853e2bd2 BG |
761 | return -EINVAL; |
762 | ||
763 | skb_queue_head_init(&port->fcoe_pending_queue); | |
764 | port->fcoe_pending_queue_active = 0; | |
765 | setup_timer(&port->timer, fcoe_queue_timer, (unsigned long) lport); | |
766 | ||
0e0f9cd6 | 767 | fcoe_link_speed_update(lport); |
853e2bd2 BG |
768 | |
769 | if (!lport->vport) { | |
52439607 | 770 | if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN)) |
fd8f8902 | 771 | wwnn = fcoe_wwn_from_mac(ctlr->ctl_src_addr, |
52439607 | 772 | 1, 0); |
853e2bd2 BG |
773 | BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn); |
774 | fc_set_wwnn(lport, wwnn); | |
775 | ||
52439607 | 776 | if (fcoe_get_wwn(netdev, &wwpn, NETDEV_FCOE_WWPN)) |
fd8f8902 | 777 | wwpn = fcoe_wwn_from_mac(ctlr->ctl_src_addr, |
52439607 BPG |
778 | 2, 0); |
779 | ||
853e2bd2 BG |
780 | BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn); |
781 | fc_set_wwpn(lport, wwpn); | |
782 | } | |
783 | ||
784 | return 0; | |
785 | } | |
786 | ||
787 | static void bnx2fc_destroy_timer(unsigned long data) | |
788 | { | |
789 | struct bnx2fc_hba *hba = (struct bnx2fc_hba *)data; | |
790 | ||
cd703ae7 BPG |
791 | printk(KERN_ERR PFX "ERROR:bnx2fc_destroy_timer - " |
792 | "Destroy compl not received!!\n"); | |
aea71a02 | 793 | set_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags); |
853e2bd2 BG |
794 | wake_up_interruptible(&hba->destroy_wait); |
795 | } | |
796 | ||
797 | /** | |
798 | * bnx2fc_indicate_netevent - Generic netdev event handler | |
799 | * | |
800 | * @context: adapter structure pointer | |
801 | * @event: event type | |
415199f2 | 802 | * @vlan_id: vlan id - associated vlan id with this event |
853e2bd2 BG |
803 | * |
804 | * Handles NETDEV_UP, NETDEV_DOWN, NETDEV_GOING_DOWN,NETDEV_CHANGE and | |
abc49a93 | 805 | * NETDEV_CHANGE_MTU events. Handle NETDEV_UNREGISTER only for vlans. |
853e2bd2 | 806 | */ |
415199f2 MC |
807 | static void bnx2fc_indicate_netevent(void *context, unsigned long event, |
808 | u16 vlan_id) | |
853e2bd2 BG |
809 | { |
810 | struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context; | |
6e89ea3f | 811 | struct fcoe_ctlr_device *cdev; |
aea71a02 | 812 | struct fc_lport *lport; |
853e2bd2 | 813 | struct fc_lport *vport; |
abc49a93 | 814 | struct bnx2fc_interface *interface, *tmp; |
fd8f8902 | 815 | struct fcoe_ctlr *ctlr; |
aea71a02 | 816 | int wait_for_upload = 0; |
853e2bd2 BG |
817 | u32 link_possible = 1; |
818 | ||
abc49a93 | 819 | if (vlan_id != 0 && event != NETDEV_UNREGISTER) |
415199f2 MC |
820 | return; |
821 | ||
853e2bd2 BG |
822 | switch (event) { |
823 | case NETDEV_UP: | |
853e2bd2 BG |
824 | if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state)) |
825 | printk(KERN_ERR "indicate_netevent: "\ | |
aea71a02 | 826 | "hba is not UP!!\n"); |
853e2bd2 BG |
827 | break; |
828 | ||
829 | case NETDEV_DOWN: | |
853e2bd2 BG |
830 | clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state); |
831 | clear_bit(ADAPTER_STATE_UP, &hba->adapter_state); | |
832 | link_possible = 0; | |
833 | break; | |
834 | ||
835 | case NETDEV_GOING_DOWN: | |
853e2bd2 BG |
836 | set_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state); |
837 | link_possible = 0; | |
838 | break; | |
839 | ||
840 | case NETDEV_CHANGE: | |
853e2bd2 BG |
841 | break; |
842 | ||
abc49a93 BPG |
843 | case NETDEV_UNREGISTER: |
844 | if (!vlan_id) | |
845 | return; | |
846 | mutex_lock(&bnx2fc_dev_lock); | |
847 | list_for_each_entry_safe(interface, tmp, &if_list, list) { | |
26b2982f NNS |
848 | if (interface->hba == hba && |
849 | interface->vlan_id == (vlan_id & VLAN_VID_MASK)) | |
850 | __bnx2fc_destroy(interface); | |
abc49a93 BPG |
851 | } |
852 | mutex_unlock(&bnx2fc_dev_lock); | |
06c4f20d EW |
853 | |
854 | /* Ensure ALL destroy work has been completed before return */ | |
855 | flush_workqueue(bnx2fc_wq); | |
abc49a93 BPG |
856 | return; |
857 | ||
853e2bd2 | 858 | default: |
59e13d48 | 859 | printk(KERN_ERR PFX "Unknown netevent %ld", event); |
853e2bd2 BG |
860 | return; |
861 | } | |
862 | ||
aea71a02 BPG |
863 | mutex_lock(&bnx2fc_dev_lock); |
864 | list_for_each_entry(interface, &if_list, list) { | |
853e2bd2 | 865 | |
aea71a02 BPG |
866 | if (interface->hba != hba) |
867 | continue; | |
868 | ||
fd8f8902 RL |
869 | ctlr = bnx2fc_to_ctlr(interface); |
870 | lport = ctlr->lp; | |
aea71a02 BPG |
871 | BNX2FC_HBA_DBG(lport, "netevent handler - event=%s %ld\n", |
872 | interface->netdev->name, event); | |
873 | ||
0e0f9cd6 | 874 | fcoe_link_speed_update(lport); |
aea71a02 | 875 | |
6e89ea3f | 876 | cdev = fcoe_ctlr_to_ctlr_dev(ctlr); |
aea71a02 BPG |
877 | |
878 | if (link_possible && !bnx2fc_link_ok(lport)) { | |
6e89ea3f RL |
879 | switch (cdev->enabled) { |
880 | case FCOE_CTLR_DISABLED: | |
881 | pr_info("Link up while interface is disabled.\n"); | |
882 | break; | |
883 | case FCOE_CTLR_ENABLED: | |
884 | case FCOE_CTLR_UNUSED: | |
885 | /* Reset max recv frame size to default */ | |
886 | fc_set_mfs(lport, BNX2FC_MFS); | |
887 | /* | |
888 | * ctlr link up will only be handled during | |
889 | * enable to avoid sending discovery | |
890 | * solicitation on a stale vlan | |
891 | */ | |
892 | if (interface->enabled) | |
893 | fcoe_ctlr_link_up(ctlr); | |
894 | }; | |
fd8f8902 | 895 | } else if (fcoe_ctlr_link_down(ctlr)) { |
6e89ea3f RL |
896 | switch (cdev->enabled) { |
897 | case FCOE_CTLR_DISABLED: | |
898 | pr_info("Link down while interface is disabled.\n"); | |
899 | break; | |
900 | case FCOE_CTLR_ENABLED: | |
901 | case FCOE_CTLR_UNUSED: | |
902 | mutex_lock(&lport->lp_mutex); | |
903 | list_for_each_entry(vport, &lport->vports, list) | |
904 | fc_host_port_type(vport->host) = | |
905 | FC_PORTTYPE_UNKNOWN; | |
906 | mutex_unlock(&lport->lp_mutex); | |
907 | fc_host_port_type(lport->host) = | |
908 | FC_PORTTYPE_UNKNOWN; | |
909 | per_cpu_ptr(lport->stats, | |
910 | get_cpu())->LinkFailureCount++; | |
911 | put_cpu(); | |
912 | fcoe_clean_pending_queue(lport); | |
913 | wait_for_upload = 1; | |
914 | }; | |
aea71a02 BPG |
915 | } |
916 | } | |
917 | mutex_unlock(&bnx2fc_dev_lock); | |
853e2bd2 | 918 | |
aea71a02 BPG |
919 | if (wait_for_upload) { |
920 | clear_bit(ADAPTER_STATE_READY, &hba->adapter_state); | |
921 | init_waitqueue_head(&hba->shutdown_wait); | |
922 | BNX2FC_MISC_DBG("indicate_netevent " | |
923 | "num_ofld_sess = %d\n", | |
924 | hba->num_ofld_sess); | |
925 | hba->wait_for_link_down = 1; | |
926 | wait_event_interruptible(hba->shutdown_wait, | |
927 | (hba->num_ofld_sess == 0)); | |
928 | BNX2FC_MISC_DBG("wakeup - num_ofld_sess = %d\n", | |
853e2bd2 | 929 | hba->num_ofld_sess); |
aea71a02 | 930 | hba->wait_for_link_down = 0; |
853e2bd2 | 931 | |
aea71a02 BPG |
932 | if (signal_pending(current)) |
933 | flush_signals(current); | |
853e2bd2 BG |
934 | } |
935 | } | |
936 | ||
937 | static int bnx2fc_libfc_config(struct fc_lport *lport) | |
938 | { | |
939 | ||
940 | /* Set the function pointers set by bnx2fc driver */ | |
941 | memcpy(&lport->tt, &bnx2fc_libfc_fcn_templ, | |
942 | sizeof(struct libfc_function_template)); | |
943 | fc_elsct_init(lport); | |
944 | fc_exch_init(lport); | |
945 | fc_rport_init(lport); | |
0807619d RL |
946 | fc_disc_init(lport); |
947 | fc_disc_config(lport, lport); | |
853e2bd2 BG |
948 | return 0; |
949 | } | |
950 | ||
0eb43b4b | 951 | static int bnx2fc_em_config(struct fc_lport *lport, struct bnx2fc_hba *hba) |
853e2bd2 | 952 | { |
0eb43b4b | 953 | int fcoe_min_xid, fcoe_max_xid; |
7d742f65 | 954 | |
0eb43b4b | 955 | fcoe_min_xid = hba->max_xid + 1; |
7d742f65 | 956 | if (nr_cpu_ids <= 2) |
0eb43b4b | 957 | fcoe_max_xid = hba->max_xid + FCOE_XIDS_PER_CPU_OFFSET; |
7d742f65 | 958 | else |
0eb43b4b BPG |
959 | fcoe_max_xid = hba->max_xid + FCOE_MAX_XID_OFFSET; |
960 | if (!fc_exch_mgr_alloc(lport, FC_CLASS_3, fcoe_min_xid, | |
961 | fcoe_max_xid, NULL)) { | |
853e2bd2 BG |
962 | printk(KERN_ERR PFX "em_config:fc_exch_mgr_alloc failed\n"); |
963 | return -ENOMEM; | |
964 | } | |
965 | ||
853e2bd2 BG |
966 | return 0; |
967 | } | |
968 | ||
969 | static int bnx2fc_lport_config(struct fc_lport *lport) | |
970 | { | |
971 | lport->link_up = 0; | |
972 | lport->qfull = 0; | |
44c570b5 BPG |
973 | lport->max_retry_count = BNX2FC_MAX_RETRY_CNT; |
974 | lport->max_rport_retry_count = BNX2FC_MAX_RPORT_RETRY_CNT; | |
853e2bd2 BG |
975 | lport->e_d_tov = 2 * 1000; |
976 | lport->r_a_tov = 10 * 1000; | |
977 | ||
853e2bd2 BG |
978 | lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS | |
979 | FCP_SPPF_RETRY | FCP_SPPF_CONF_COMPL); | |
853e2bd2 BG |
980 | lport->does_npiv = 1; |
981 | ||
982 | memset(&lport->rnid_gen, 0, sizeof(struct fc_els_rnid_gen)); | |
983 | lport->rnid_gen.rnid_atype = BNX2FC_RNID_HBA; | |
984 | ||
985 | /* alloc stats structure */ | |
986 | if (fc_lport_init_stats(lport)) | |
987 | return -ENOMEM; | |
988 | ||
989 | /* Finish fc_lport configuration */ | |
990 | fc_lport_config(lport); | |
991 | ||
992 | return 0; | |
993 | } | |
994 | ||
995 | /** | |
996 | * bnx2fc_fip_recv - handle a received FIP frame. | |
997 | * | |
998 | * @skb: the received skb | |
999 | * @dev: associated &net_device | |
1000 | * @ptype: the &packet_type structure which was used to register this handler. | |
1001 | * @orig_dev: original receive &net_device, in case @ dev is a bond. | |
1002 | * | |
1003 | * Returns: 0 for success | |
1004 | */ | |
1005 | static int bnx2fc_fip_recv(struct sk_buff *skb, struct net_device *dev, | |
1006 | struct packet_type *ptype, | |
1007 | struct net_device *orig_dev) | |
1008 | { | |
aea71a02 | 1009 | struct bnx2fc_interface *interface; |
fd8f8902 | 1010 | struct fcoe_ctlr *ctlr; |
aea71a02 BPG |
1011 | interface = container_of(ptype, struct bnx2fc_interface, |
1012 | fip_packet_type); | |
fd8f8902 RL |
1013 | ctlr = bnx2fc_to_ctlr(interface); |
1014 | fcoe_ctlr_recv(ctlr, skb); | |
853e2bd2 BG |
1015 | return 0; |
1016 | } | |
1017 | ||
1018 | /** | |
1019 | * bnx2fc_update_src_mac - Update Ethernet MAC filters. | |
1020 | * | |
1021 | * @fip: FCoE controller. | |
1022 | * @old: Unicast MAC address to delete if the MAC is non-zero. | |
1023 | * @new: Unicast MAC address to add. | |
1024 | * | |
1025 | * Remove any previously-set unicast MAC filter. | |
1026 | * Add secondary FCoE MAC address filter for our OUI. | |
1027 | */ | |
1028 | static void bnx2fc_update_src_mac(struct fc_lport *lport, u8 *addr) | |
1029 | { | |
1030 | struct fcoe_port *port = lport_priv(lport); | |
1031 | ||
1032 | memcpy(port->data_src_addr, addr, ETH_ALEN); | |
1033 | } | |
1034 | ||
1035 | /** | |
1036 | * bnx2fc_get_src_mac - return the ethernet source address for an lport | |
1037 | * | |
1038 | * @lport: libfc port | |
1039 | */ | |
1040 | static u8 *bnx2fc_get_src_mac(struct fc_lport *lport) | |
1041 | { | |
1042 | struct fcoe_port *port; | |
1043 | ||
1044 | port = (struct fcoe_port *)lport_priv(lport); | |
1045 | return port->data_src_addr; | |
1046 | } | |
1047 | ||
1048 | /** | |
1049 | * bnx2fc_fip_send - send an Ethernet-encapsulated FIP frame. | |
1050 | * | |
1051 | * @fip: FCoE controller. | |
1052 | * @skb: FIP Packet. | |
1053 | */ | |
1054 | static void bnx2fc_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb) | |
1055 | { | |
1056 | skb->dev = bnx2fc_from_ctlr(fip)->netdev; | |
1057 | dev_queue_xmit(skb); | |
1058 | } | |
1059 | ||
1060 | static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled) | |
1061 | { | |
1062 | struct Scsi_Host *shost = vport_to_shost(vport); | |
1063 | struct fc_lport *n_port = shost_priv(shost); | |
1064 | struct fcoe_port *port = lport_priv(n_port); | |
aea71a02 BPG |
1065 | struct bnx2fc_interface *interface = port->priv; |
1066 | struct net_device *netdev = interface->netdev; | |
853e2bd2 | 1067 | struct fc_lport *vn_port; |
861efc54 BPG |
1068 | int rc; |
1069 | char buf[32]; | |
1070 | ||
1071 | rc = fcoe_validate_vport_create(vport); | |
1072 | if (rc) { | |
1073 | fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf)); | |
1074 | printk(KERN_ERR PFX "Failed to create vport, " | |
1075 | "WWPN (0x%s) already exists\n", | |
1076 | buf); | |
1077 | return rc; | |
1078 | } | |
853e2bd2 | 1079 | |
aea71a02 | 1080 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) { |
853e2bd2 | 1081 | printk(KERN_ERR PFX "vn ports cannot be created on" |
aea71a02 | 1082 | "this interface\n"); |
853e2bd2 BG |
1083 | return -EIO; |
1084 | } | |
4bc71cb9 | 1085 | rtnl_lock(); |
853e2bd2 | 1086 | mutex_lock(&bnx2fc_dev_lock); |
aea71a02 | 1087 | vn_port = bnx2fc_if_create(interface, &vport->dev, 1); |
853e2bd2 | 1088 | mutex_unlock(&bnx2fc_dev_lock); |
4bc71cb9 | 1089 | rtnl_unlock(); |
853e2bd2 | 1090 | |
b6829c72 | 1091 | if (!vn_port) { |
853e2bd2 BG |
1092 | printk(KERN_ERR PFX "bnx2fc_vport_create (%s) failed\n", |
1093 | netdev->name); | |
1094 | return -EIO; | |
1095 | } | |
1096 | ||
1097 | if (disabled) { | |
1098 | fc_vport_set_state(vport, FC_VPORT_DISABLED); | |
1099 | } else { | |
1100 | vn_port->boot_time = jiffies; | |
1101 | fc_lport_init(vn_port); | |
1102 | fc_fabric_login(vn_port); | |
1103 | fc_vport_setlink(vn_port); | |
1104 | } | |
1105 | return 0; | |
1106 | } | |
1107 | ||
abc49a93 BPG |
1108 | static void bnx2fc_free_vport(struct bnx2fc_hba *hba, struct fc_lport *lport) |
1109 | { | |
1110 | struct bnx2fc_lport *blport, *tmp; | |
1111 | ||
1112 | spin_lock_bh(&hba->hba_lock); | |
1113 | list_for_each_entry_safe(blport, tmp, &hba->vports, list) { | |
1114 | if (blport->lport == lport) { | |
1115 | list_del(&blport->list); | |
1116 | kfree(blport); | |
1117 | } | |
1118 | } | |
1119 | spin_unlock_bh(&hba->hba_lock); | |
1120 | } | |
1121 | ||
853e2bd2 BG |
1122 | static int bnx2fc_vport_destroy(struct fc_vport *vport) |
1123 | { | |
1124 | struct Scsi_Host *shost = vport_to_shost(vport); | |
1125 | struct fc_lport *n_port = shost_priv(shost); | |
1126 | struct fc_lport *vn_port = vport->dd_data; | |
1127 | struct fcoe_port *port = lport_priv(vn_port); | |
abc49a93 | 1128 | struct bnx2fc_interface *interface = port->priv; |
cdf54668 BPG |
1129 | struct fc_lport *v_port; |
1130 | bool found = false; | |
853e2bd2 BG |
1131 | |
1132 | mutex_lock(&n_port->lp_mutex); | |
cdf54668 BPG |
1133 | list_for_each_entry(v_port, &n_port->vports, list) |
1134 | if (v_port->vport == vport) { | |
1135 | found = true; | |
1136 | break; | |
1137 | } | |
1138 | ||
1139 | if (!found) { | |
1140 | mutex_unlock(&n_port->lp_mutex); | |
1141 | return -ENOENT; | |
1142 | } | |
853e2bd2 BG |
1143 | list_del(&vn_port->list); |
1144 | mutex_unlock(&n_port->lp_mutex); | |
abc49a93 BPG |
1145 | bnx2fc_free_vport(interface->hba, port->lport); |
1146 | bnx2fc_port_shutdown(port->lport); | |
1147 | bnx2fc_interface_put(interface); | |
853e2bd2 BG |
1148 | queue_work(bnx2fc_wq, &port->destroy_work); |
1149 | return 0; | |
1150 | } | |
1151 | ||
1152 | static int bnx2fc_vport_disable(struct fc_vport *vport, bool disable) | |
1153 | { | |
1154 | struct fc_lport *lport = vport->dd_data; | |
1155 | ||
1156 | if (disable) { | |
1157 | fc_vport_set_state(vport, FC_VPORT_DISABLED); | |
1158 | fc_fabric_logoff(lport); | |
1159 | } else { | |
1160 | lport->boot_time = jiffies; | |
1161 | fc_fabric_login(lport); | |
1162 | fc_vport_setlink(lport); | |
1163 | } | |
1164 | return 0; | |
1165 | } | |
1166 | ||
1167 | ||
776cebca | 1168 | static int bnx2fc_interface_setup(struct bnx2fc_interface *interface) |
853e2bd2 | 1169 | { |
aea71a02 BPG |
1170 | struct net_device *netdev = interface->netdev; |
1171 | struct net_device *physdev = interface->hba->phys_dev; | |
fd8f8902 | 1172 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
853e2bd2 BG |
1173 | struct netdev_hw_addr *ha; |
1174 | int sel_san_mac = 0; | |
1175 | ||
853e2bd2 BG |
1176 | /* setup Source MAC Address */ |
1177 | rcu_read_lock(); | |
1178 | for_each_dev_addr(physdev, ha) { | |
1179 | BNX2FC_MISC_DBG("net_config: ha->type = %d, fip_mac = ", | |
1180 | ha->type); | |
1181 | printk(KERN_INFO "%2x:%2x:%2x:%2x:%2x:%2x\n", ha->addr[0], | |
1182 | ha->addr[1], ha->addr[2], ha->addr[3], | |
1183 | ha->addr[4], ha->addr[5]); | |
1184 | ||
1185 | if ((ha->type == NETDEV_HW_ADDR_T_SAN) && | |
1186 | (is_valid_ether_addr(ha->addr))) { | |
fd8f8902 | 1187 | memcpy(ctlr->ctl_src_addr, ha->addr, |
aea71a02 | 1188 | ETH_ALEN); |
853e2bd2 BG |
1189 | sel_san_mac = 1; |
1190 | BNX2FC_MISC_DBG("Found SAN MAC\n"); | |
1191 | } | |
1192 | } | |
1193 | rcu_read_unlock(); | |
1194 | ||
1195 | if (!sel_san_mac) | |
1196 | return -ENODEV; | |
1197 | ||
aea71a02 BPG |
1198 | interface->fip_packet_type.func = bnx2fc_fip_recv; |
1199 | interface->fip_packet_type.type = htons(ETH_P_FIP); | |
1200 | interface->fip_packet_type.dev = netdev; | |
1201 | dev_add_pack(&interface->fip_packet_type); | |
853e2bd2 | 1202 | |
aea71a02 BPG |
1203 | interface->fcoe_packet_type.func = bnx2fc_rcv; |
1204 | interface->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE); | |
1205 | interface->fcoe_packet_type.dev = netdev; | |
1206 | dev_add_pack(&interface->fcoe_packet_type); | |
853e2bd2 BG |
1207 | |
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | static int bnx2fc_attach_transport(void) | |
1212 | { | |
1213 | bnx2fc_transport_template = | |
1214 | fc_attach_transport(&bnx2fc_transport_function); | |
1215 | ||
1216 | if (bnx2fc_transport_template == NULL) { | |
1217 | printk(KERN_ERR PFX "Failed to attach FC transport\n"); | |
1218 | return -ENODEV; | |
1219 | } | |
1220 | ||
1221 | bnx2fc_vport_xport_template = | |
1222 | fc_attach_transport(&bnx2fc_vport_xport_function); | |
1223 | if (bnx2fc_vport_xport_template == NULL) { | |
1224 | printk(KERN_ERR PFX | |
1225 | "Failed to attach FC transport for vport\n"); | |
1226 | fc_release_transport(bnx2fc_transport_template); | |
1227 | bnx2fc_transport_template = NULL; | |
1228 | return -ENODEV; | |
1229 | } | |
1230 | return 0; | |
1231 | } | |
1232 | static void bnx2fc_release_transport(void) | |
1233 | { | |
1234 | fc_release_transport(bnx2fc_transport_template); | |
1235 | fc_release_transport(bnx2fc_vport_xport_template); | |
1236 | bnx2fc_transport_template = NULL; | |
1237 | bnx2fc_vport_xport_template = NULL; | |
1238 | } | |
1239 | ||
1240 | static void bnx2fc_interface_release(struct kref *kref) | |
1241 | { | |
8d55e507 | 1242 | struct fcoe_ctlr_device *ctlr_dev; |
aea71a02 | 1243 | struct bnx2fc_interface *interface; |
fd8f8902 | 1244 | struct fcoe_ctlr *ctlr; |
853e2bd2 | 1245 | struct net_device *netdev; |
853e2bd2 | 1246 | |
aea71a02 | 1247 | interface = container_of(kref, struct bnx2fc_interface, kref); |
068bdce4 | 1248 | BNX2FC_MISC_DBG("Interface is being released\n"); |
853e2bd2 | 1249 | |
fd8f8902 | 1250 | ctlr = bnx2fc_to_ctlr(interface); |
8d55e507 | 1251 | ctlr_dev = fcoe_ctlr_to_ctlr_dev(ctlr); |
aea71a02 | 1252 | netdev = interface->netdev; |
853e2bd2 BG |
1253 | |
1254 | /* tear-down FIP controller */ | |
aea71a02 | 1255 | if (test_and_clear_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags)) |
fd8f8902 | 1256 | fcoe_ctlr_destroy(ctlr); |
aea71a02 | 1257 | |
8d55e507 | 1258 | fcoe_ctlr_device_delete(ctlr_dev); |
853e2bd2 | 1259 | |
853e2bd2 BG |
1260 | dev_put(netdev); |
1261 | module_put(THIS_MODULE); | |
1262 | } | |
1263 | ||
aea71a02 | 1264 | static inline void bnx2fc_interface_get(struct bnx2fc_interface *interface) |
853e2bd2 | 1265 | { |
aea71a02 | 1266 | kref_get(&interface->kref); |
853e2bd2 BG |
1267 | } |
1268 | ||
aea71a02 | 1269 | static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface) |
853e2bd2 | 1270 | { |
aea71a02 | 1271 | kref_put(&interface->kref, bnx2fc_interface_release); |
853e2bd2 | 1272 | } |
aea71a02 | 1273 | static void bnx2fc_hba_destroy(struct bnx2fc_hba *hba) |
853e2bd2 | 1274 | { |
aea71a02 BPG |
1275 | /* Free the command manager */ |
1276 | if (hba->cmd_mgr) { | |
1277 | bnx2fc_cmd_mgr_free(hba->cmd_mgr); | |
1278 | hba->cmd_mgr = NULL; | |
1279 | } | |
1280 | kfree(hba->tgt_ofld_list); | |
853e2bd2 BG |
1281 | bnx2fc_unbind_pcidev(hba); |
1282 | kfree(hba); | |
1283 | } | |
1284 | ||
1285 | /** | |
aea71a02 | 1286 | * bnx2fc_hba_create - create a new bnx2fc hba |
853e2bd2 BG |
1287 | * |
1288 | * @cnic: pointer to cnic device | |
1289 | * | |
aea71a02 BPG |
1290 | * Creates a new FCoE hba on the given device. |
1291 | * | |
853e2bd2 | 1292 | */ |
aea71a02 | 1293 | static struct bnx2fc_hba *bnx2fc_hba_create(struct cnic_dev *cnic) |
853e2bd2 BG |
1294 | { |
1295 | struct bnx2fc_hba *hba; | |
2e499d3c | 1296 | struct fcoe_capabilities *fcoe_cap; |
853e2bd2 BG |
1297 | int rc; |
1298 | ||
1299 | hba = kzalloc(sizeof(*hba), GFP_KERNEL); | |
1300 | if (!hba) { | |
1301 | printk(KERN_ERR PFX "Unable to allocate hba structure\n"); | |
1302 | return NULL; | |
1303 | } | |
1304 | spin_lock_init(&hba->hba_lock); | |
1305 | mutex_init(&hba->hba_mutex); | |
1306 | ||
1307 | hba->cnic = cnic; | |
0eb43b4b BPG |
1308 | |
1309 | hba->max_tasks = cnic->max_fcoe_exchanges; | |
1310 | hba->elstm_xids = (hba->max_tasks / 2); | |
1311 | hba->max_outstanding_cmds = hba->elstm_xids; | |
1312 | hba->max_xid = (hba->max_tasks - 1); | |
1313 | ||
853e2bd2 | 1314 | rc = bnx2fc_bind_pcidev(hba); |
aea71a02 BPG |
1315 | if (rc) { |
1316 | printk(KERN_ERR PFX "create_adapter: bind error\n"); | |
853e2bd2 | 1317 | goto bind_err; |
aea71a02 | 1318 | } |
853e2bd2 | 1319 | hba->phys_dev = cnic->netdev; |
aea71a02 BPG |
1320 | hba->next_conn_id = 0; |
1321 | ||
1322 | hba->tgt_ofld_list = | |
1323 | kzalloc(sizeof(struct bnx2fc_rport *) * BNX2FC_NUM_MAX_SESS, | |
1324 | GFP_KERNEL); | |
1325 | if (!hba->tgt_ofld_list) { | |
1326 | printk(KERN_ERR PFX "Unable to allocate tgt offload list\n"); | |
1327 | goto tgtofld_err; | |
1328 | } | |
1329 | ||
1330 | hba->num_ofld_sess = 0; | |
1331 | ||
0eb43b4b | 1332 | hba->cmd_mgr = bnx2fc_cmd_mgr_alloc(hba); |
aea71a02 BPG |
1333 | if (!hba->cmd_mgr) { |
1334 | printk(KERN_ERR PFX "em_config:bnx2fc_cmd_mgr_alloc failed\n"); | |
1335 | goto cmgr_err; | |
1336 | } | |
2e499d3c BW |
1337 | fcoe_cap = &hba->fcoe_cap; |
1338 | ||
1339 | fcoe_cap->capability1 = BNX2FC_TM_MAX_SQES << | |
1340 | FCOE_IOS_PER_CONNECTION_SHIFT; | |
1341 | fcoe_cap->capability1 |= BNX2FC_NUM_MAX_SESS << | |
1342 | FCOE_LOGINS_PER_PORT_SHIFT; | |
0eb43b4b | 1343 | fcoe_cap->capability2 = hba->max_outstanding_cmds << |
2e499d3c BW |
1344 | FCOE_NUMBER_OF_EXCHANGES_SHIFT; |
1345 | fcoe_cap->capability2 |= BNX2FC_MAX_NPIV << | |
1346 | FCOE_NPIV_WWN_PER_PORT_SHIFT; | |
1347 | fcoe_cap->capability3 = BNX2FC_NUM_MAX_SESS << | |
1348 | FCOE_TARGETS_SUPPORTED_SHIFT; | |
0eb43b4b | 1349 | fcoe_cap->capability3 |= hba->max_outstanding_cmds << |
2e499d3c BW |
1350 | FCOE_OUTSTANDING_COMMANDS_SHIFT; |
1351 | fcoe_cap->capability4 = FCOE_CAPABILITY4_STATEFUL; | |
853e2bd2 BG |
1352 | |
1353 | init_waitqueue_head(&hba->shutdown_wait); | |
1354 | init_waitqueue_head(&hba->destroy_wait); | |
aea71a02 | 1355 | INIT_LIST_HEAD(&hba->vports); |
853e2bd2 BG |
1356 | |
1357 | return hba; | |
aea71a02 BPG |
1358 | |
1359 | cmgr_err: | |
1360 | kfree(hba->tgt_ofld_list); | |
1361 | tgtofld_err: | |
1362 | bnx2fc_unbind_pcidev(hba); | |
853e2bd2 | 1363 | bind_err: |
853e2bd2 BG |
1364 | kfree(hba); |
1365 | return NULL; | |
1366 | } | |
1367 | ||
aea71a02 BPG |
1368 | struct bnx2fc_interface *bnx2fc_interface_create(struct bnx2fc_hba *hba, |
1369 | struct net_device *netdev, | |
1370 | enum fip_state fip_mode) | |
853e2bd2 | 1371 | { |
8d55e507 | 1372 | struct fcoe_ctlr_device *ctlr_dev; |
aea71a02 | 1373 | struct bnx2fc_interface *interface; |
fd8f8902 RL |
1374 | struct fcoe_ctlr *ctlr; |
1375 | int size; | |
853e2bd2 | 1376 | int rc = 0; |
853e2bd2 | 1377 | |
fd8f8902 | 1378 | size = (sizeof(*interface) + sizeof(struct fcoe_ctlr)); |
8d55e507 RL |
1379 | ctlr_dev = fcoe_ctlr_device_add(&netdev->dev, &bnx2fc_fcoe_sysfs_templ, |
1380 | size); | |
1381 | if (!ctlr_dev) { | |
aea71a02 BPG |
1382 | printk(KERN_ERR PFX "Unable to allocate interface structure\n"); |
1383 | return NULL; | |
1384 | } | |
8d55e507 | 1385 | ctlr = fcoe_ctlr_device_priv(ctlr_dev); |
9d34876f | 1386 | ctlr->cdev = ctlr_dev; |
fd8f8902 | 1387 | interface = fcoe_ctlr_priv(ctlr); |
853e2bd2 | 1388 | dev_hold(netdev); |
aea71a02 BPG |
1389 | kref_init(&interface->kref); |
1390 | interface->hba = hba; | |
1391 | interface->netdev = netdev; | |
853e2bd2 BG |
1392 | |
1393 | /* Initialize FIP */ | |
fd8f8902 RL |
1394 | fcoe_ctlr_init(ctlr, fip_mode); |
1395 | ctlr->send = bnx2fc_fip_send; | |
1396 | ctlr->update_mac = bnx2fc_update_src_mac; | |
1397 | ctlr->get_src_addr = bnx2fc_get_src_mac; | |
aea71a02 | 1398 | set_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags); |
853e2bd2 | 1399 | |
776cebca | 1400 | rc = bnx2fc_interface_setup(interface); |
aea71a02 BPG |
1401 | if (!rc) |
1402 | return interface; | |
853e2bd2 | 1403 | |
fd8f8902 | 1404 | fcoe_ctlr_destroy(ctlr); |
853e2bd2 | 1405 | dev_put(netdev); |
8d55e507 | 1406 | fcoe_ctlr_device_delete(ctlr_dev); |
aea71a02 | 1407 | return NULL; |
853e2bd2 BG |
1408 | } |
1409 | ||
1410 | /** | |
1411 | * bnx2fc_if_create - Create FCoE instance on a given interface | |
1412 | * | |
aea71a02 | 1413 | * @interface: FCoE interface to create a local port on |
853e2bd2 BG |
1414 | * @parent: Device pointer to be the parent in sysfs for the SCSI host |
1415 | * @npiv: Indicates if the port is vport or not | |
1416 | * | |
1417 | * Creates a fc_lport instance and a Scsi_Host instance and configure them. | |
1418 | * | |
1419 | * Returns: Allocated fc_lport or an error pointer | |
1420 | */ | |
aea71a02 | 1421 | static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface, |
853e2bd2 BG |
1422 | struct device *parent, int npiv) |
1423 | { | |
fd8f8902 | 1424 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
134a4e27 | 1425 | struct fc_lport *lport, *n_port; |
853e2bd2 BG |
1426 | struct fcoe_port *port; |
1427 | struct Scsi_Host *shost; | |
1428 | struct fc_vport *vport = dev_to_vport(parent); | |
d36b3279 | 1429 | struct bnx2fc_lport *blport; |
0eb43b4b | 1430 | struct bnx2fc_hba *hba = interface->hba; |
853e2bd2 BG |
1431 | int rc = 0; |
1432 | ||
d36b3279 BPG |
1433 | blport = kzalloc(sizeof(struct bnx2fc_lport), GFP_KERNEL); |
1434 | if (!blport) { | |
fd8f8902 | 1435 | BNX2FC_HBA_DBG(ctlr->lp, "Unable to alloc blport\n"); |
d36b3279 BPG |
1436 | return NULL; |
1437 | } | |
1438 | ||
853e2bd2 | 1439 | /* Allocate Scsi_Host structure */ |
0eb43b4b | 1440 | bnx2fc_shost_template.can_queue = hba->max_outstanding_cmds; |
134a4e27 VD |
1441 | if (!npiv) |
1442 | lport = libfc_host_alloc(&bnx2fc_shost_template, sizeof(*port)); | |
1443 | else | |
1444 | lport = libfc_vport_create(vport, sizeof(*port)); | |
853e2bd2 BG |
1445 | |
1446 | if (!lport) { | |
1447 | printk(KERN_ERR PFX "could not allocate scsi host structure\n"); | |
d36b3279 | 1448 | goto free_blport; |
853e2bd2 BG |
1449 | } |
1450 | shost = lport->host; | |
1451 | port = lport_priv(lport); | |
1452 | port->lport = lport; | |
aea71a02 | 1453 | port->priv = interface; |
c3d7909b | 1454 | port->get_netdev = bnx2fc_netdev; |
853e2bd2 BG |
1455 | INIT_WORK(&port->destroy_work, bnx2fc_destroy_work); |
1456 | ||
1457 | /* Configure fcoe_port */ | |
1458 | rc = bnx2fc_lport_config(lport); | |
1459 | if (rc) | |
1460 | goto lp_config_err; | |
1461 | ||
1462 | if (npiv) { | |
853e2bd2 BG |
1463 | printk(KERN_ERR PFX "Setting vport names, 0x%llX 0x%llX\n", |
1464 | vport->node_name, vport->port_name); | |
1465 | fc_set_wwnn(lport, vport->node_name); | |
1466 | fc_set_wwpn(lport, vport->port_name); | |
1467 | } | |
1468 | /* Configure netdev and networking properties of the lport */ | |
52439607 | 1469 | rc = bnx2fc_net_config(lport, interface->netdev); |
853e2bd2 BG |
1470 | if (rc) { |
1471 | printk(KERN_ERR PFX "Error on bnx2fc_net_config\n"); | |
1472 | goto lp_config_err; | |
1473 | } | |
1474 | ||
1475 | rc = bnx2fc_shost_config(lport, parent); | |
1476 | if (rc) { | |
1477 | printk(KERN_ERR PFX "Couldnt configure shost for %s\n", | |
aea71a02 | 1478 | interface->netdev->name); |
853e2bd2 BG |
1479 | goto lp_config_err; |
1480 | } | |
1481 | ||
1482 | /* Initialize the libfc library */ | |
1483 | rc = bnx2fc_libfc_config(lport); | |
1484 | if (rc) { | |
1485 | printk(KERN_ERR PFX "Couldnt configure libfc\n"); | |
1486 | goto shost_err; | |
1487 | } | |
1488 | fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN; | |
1489 | ||
1490 | /* Allocate exchange manager */ | |
134a4e27 | 1491 | if (!npiv) |
0eb43b4b | 1492 | rc = bnx2fc_em_config(lport, hba); |
134a4e27 VD |
1493 | else { |
1494 | shost = vport_to_shost(vport); | |
1495 | n_port = shost_priv(shost); | |
1496 | rc = fc_exch_mgr_list_clone(n_port, lport); | |
1497 | } | |
1498 | ||
1499 | if (rc) { | |
1500 | printk(KERN_ERR PFX "Error on bnx2fc_em_config\n"); | |
1501 | goto shost_err; | |
853e2bd2 BG |
1502 | } |
1503 | ||
aea71a02 | 1504 | bnx2fc_interface_get(interface); |
d36b3279 BPG |
1505 | |
1506 | spin_lock_bh(&hba->hba_lock); | |
1507 | blport->lport = lport; | |
1508 | list_add_tail(&blport->list, &hba->vports); | |
1509 | spin_unlock_bh(&hba->hba_lock); | |
1510 | ||
853e2bd2 BG |
1511 | return lport; |
1512 | ||
1513 | shost_err: | |
1514 | scsi_remove_host(shost); | |
1515 | lp_config_err: | |
1516 | scsi_host_put(lport->host); | |
d36b3279 BPG |
1517 | free_blport: |
1518 | kfree(blport); | |
853e2bd2 BG |
1519 | return NULL; |
1520 | } | |
1521 | ||
013068fa | 1522 | static void bnx2fc_net_cleanup(struct bnx2fc_interface *interface) |
853e2bd2 BG |
1523 | { |
1524 | /* Dont listen for Ethernet packets anymore */ | |
aea71a02 BPG |
1525 | __dev_remove_pack(&interface->fcoe_packet_type); |
1526 | __dev_remove_pack(&interface->fip_packet_type); | |
853e2bd2 BG |
1527 | synchronize_net(); |
1528 | } | |
1529 | ||
776cebca | 1530 | static void bnx2fc_interface_cleanup(struct bnx2fc_interface *interface) |
853e2bd2 | 1531 | { |
fd8f8902 RL |
1532 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
1533 | struct fc_lport *lport = ctlr->lp; | |
853e2bd2 | 1534 | struct fcoe_port *port = lport_priv(lport); |
9be17fc4 | 1535 | struct bnx2fc_hba *hba = interface->hba; |
853e2bd2 | 1536 | |
853e2bd2 BG |
1537 | /* Stop the transmit retry timer */ |
1538 | del_timer_sync(&port->timer); | |
1539 | ||
1540 | /* Free existing transmit skbs */ | |
1541 | fcoe_clean_pending_queue(lport); | |
1542 | ||
013068fa | 1543 | bnx2fc_net_cleanup(interface); |
9be17fc4 | 1544 | |
abc49a93 | 1545 | bnx2fc_free_vport(hba, lport); |
9be17fc4 BPG |
1546 | } |
1547 | ||
1548 | static void bnx2fc_if_destroy(struct fc_lport *lport) | |
1549 | { | |
1550 | ||
853e2bd2 BG |
1551 | /* Free queued packets for the receive thread */ |
1552 | bnx2fc_clean_rx_queue(lport); | |
1553 | ||
1554 | /* Detach from scsi-ml */ | |
1555 | fc_remove_host(lport->host); | |
1556 | scsi_remove_host(lport->host); | |
1557 | ||
1558 | /* | |
1559 | * Note that only the physical lport will have the exchange manager. | |
1560 | * for vports, this function is NOP | |
1561 | */ | |
1562 | fc_exch_mgr_free(lport); | |
1563 | ||
1564 | /* Free memory used by statistical counters */ | |
1565 | fc_lport_free_stats(lport); | |
1566 | ||
1567 | /* Release Scsi_Host */ | |
1568 | scsi_host_put(lport->host); | |
1569 | } | |
1570 | ||
eccdcd02 | 1571 | static void __bnx2fc_destroy(struct bnx2fc_interface *interface) |
abc49a93 | 1572 | { |
fd8f8902 RL |
1573 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
1574 | struct fc_lport *lport = ctlr->lp; | |
0cbf32e1 | 1575 | struct fcoe_port *port = lport_priv(lport); |
abc49a93 BPG |
1576 | |
1577 | bnx2fc_interface_cleanup(interface); | |
1578 | bnx2fc_stop(interface); | |
abc49a93 | 1579 | list_del(&interface->list); |
abc49a93 | 1580 | bnx2fc_interface_put(interface); |
0cbf32e1 | 1581 | queue_work(bnx2fc_wq, &port->destroy_work); |
abc49a93 BPG |
1582 | } |
1583 | ||
853e2bd2 BG |
1584 | /** |
1585 | * bnx2fc_destroy - Destroy a bnx2fc FCoE interface | |
1586 | * | |
1587 | * @buffer: The name of the Ethernet interface to be destroyed | |
1588 | * @kp: The associated kernel parameter | |
1589 | * | |
1590 | * Called from sysfs. | |
1591 | * | |
1592 | * Returns: 0 for success | |
1593 | */ | |
1594 | static int bnx2fc_destroy(struct net_device *netdev) | |
1595 | { | |
aea71a02 | 1596 | struct bnx2fc_interface *interface = NULL; |
2a7b29c5 | 1597 | struct workqueue_struct *timer_work_queue; |
fd8f8902 | 1598 | struct fcoe_ctlr *ctlr; |
853e2bd2 BG |
1599 | int rc = 0; |
1600 | ||
6702ca1d | 1601 | rtnl_lock(); |
853e2bd2 | 1602 | mutex_lock(&bnx2fc_dev_lock); |
853e2bd2 | 1603 | |
aea71a02 | 1604 | interface = bnx2fc_interface_lookup(netdev); |
fd8f8902 RL |
1605 | ctlr = bnx2fc_to_ctlr(interface); |
1606 | if (!interface || !ctlr->lp) { | |
853e2bd2 | 1607 | rc = -ENODEV; |
aea71a02 | 1608 | printk(KERN_ERR PFX "bnx2fc_destroy: interface or lport not found\n"); |
853e2bd2 BG |
1609 | goto netdev_err; |
1610 | } | |
1611 | ||
2a7b29c5 | 1612 | timer_work_queue = interface->timer_work_queue; |
eccdcd02 | 1613 | __bnx2fc_destroy(interface); |
2a7b29c5 | 1614 | destroy_workqueue(timer_work_queue); |
853e2bd2 | 1615 | |
853e2bd2 BG |
1616 | netdev_err: |
1617 | mutex_unlock(&bnx2fc_dev_lock); | |
1618 | rtnl_unlock(); | |
1619 | return rc; | |
1620 | } | |
1621 | ||
1622 | static void bnx2fc_destroy_work(struct work_struct *work) | |
1623 | { | |
1624 | struct fcoe_port *port; | |
1625 | struct fc_lport *lport; | |
1626 | ||
1627 | port = container_of(work, struct fcoe_port, destroy_work); | |
1628 | lport = port->lport; | |
1629 | ||
1630 | BNX2FC_HBA_DBG(lport, "Entered bnx2fc_destroy_work\n"); | |
1631 | ||
9be17fc4 | 1632 | bnx2fc_if_destroy(lport); |
853e2bd2 BG |
1633 | } |
1634 | ||
1635 | static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba) | |
1636 | { | |
1637 | bnx2fc_free_fw_resc(hba); | |
1638 | bnx2fc_free_task_ctx(hba); | |
1639 | } | |
1640 | ||
1641 | /** | |
1642 | * bnx2fc_bind_adapter_devices - binds bnx2fc adapter with the associated | |
1643 | * pci structure | |
1644 | * | |
1645 | * @hba: Adapter instance | |
1646 | */ | |
1647 | static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba) | |
1648 | { | |
1649 | if (bnx2fc_setup_task_ctx(hba)) | |
1650 | goto mem_err; | |
1651 | ||
1652 | if (bnx2fc_setup_fw_resc(hba)) | |
1653 | goto mem_err; | |
1654 | ||
1655 | return 0; | |
1656 | mem_err: | |
1657 | bnx2fc_unbind_adapter_devices(hba); | |
1658 | return -ENOMEM; | |
1659 | } | |
1660 | ||
1661 | static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba) | |
1662 | { | |
1663 | struct cnic_dev *cnic; | |
c13d2b6d | 1664 | struct pci_dev *pdev; |
853e2bd2 BG |
1665 | |
1666 | if (!hba->cnic) { | |
1667 | printk(KERN_ERR PFX "cnic is NULL\n"); | |
1668 | return -ENODEV; | |
1669 | } | |
1670 | cnic = hba->cnic; | |
c13d2b6d BPG |
1671 | pdev = hba->pcidev = cnic->pcidev; |
1672 | if (!hba->pcidev) | |
1673 | return -ENODEV; | |
853e2bd2 | 1674 | |
c13d2b6d BPG |
1675 | switch (pdev->device) { |
1676 | case PCI_DEVICE_ID_NX2_57710: | |
1677 | strncpy(hba->chip_num, "BCM57710", BCM_CHIP_LEN); | |
1678 | break; | |
1679 | case PCI_DEVICE_ID_NX2_57711: | |
1680 | strncpy(hba->chip_num, "BCM57711", BCM_CHIP_LEN); | |
1681 | break; | |
1682 | case PCI_DEVICE_ID_NX2_57712: | |
1683 | case PCI_DEVICE_ID_NX2_57712_MF: | |
1684 | case PCI_DEVICE_ID_NX2_57712_VF: | |
1685 | strncpy(hba->chip_num, "BCM57712", BCM_CHIP_LEN); | |
1686 | break; | |
1687 | case PCI_DEVICE_ID_NX2_57800: | |
1688 | case PCI_DEVICE_ID_NX2_57800_MF: | |
1689 | case PCI_DEVICE_ID_NX2_57800_VF: | |
1690 | strncpy(hba->chip_num, "BCM57800", BCM_CHIP_LEN); | |
1691 | break; | |
1692 | case PCI_DEVICE_ID_NX2_57810: | |
1693 | case PCI_DEVICE_ID_NX2_57810_MF: | |
1694 | case PCI_DEVICE_ID_NX2_57810_VF: | |
1695 | strncpy(hba->chip_num, "BCM57810", BCM_CHIP_LEN); | |
1696 | break; | |
1697 | case PCI_DEVICE_ID_NX2_57840: | |
1698 | case PCI_DEVICE_ID_NX2_57840_MF: | |
1699 | case PCI_DEVICE_ID_NX2_57840_VF: | |
1700 | case PCI_DEVICE_ID_NX2_57840_2_20: | |
1701 | case PCI_DEVICE_ID_NX2_57840_4_10: | |
1702 | strncpy(hba->chip_num, "BCM57840", BCM_CHIP_LEN); | |
1703 | break; | |
1704 | default: | |
1705 | pr_err(PFX "Unknown device id 0x%x\n", pdev->device); | |
1706 | break; | |
1707 | } | |
1708 | pci_dev_get(hba->pcidev); | |
853e2bd2 BG |
1709 | return 0; |
1710 | } | |
1711 | ||
1712 | static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba) | |
1713 | { | |
c13d2b6d BPG |
1714 | if (hba->pcidev) { |
1715 | hba->chip_num[0] = '\0'; | |
853e2bd2 | 1716 | pci_dev_put(hba->pcidev); |
c13d2b6d | 1717 | } |
853e2bd2 BG |
1718 | hba->pcidev = NULL; |
1719 | } | |
1720 | ||
2e499d3c BW |
1721 | /** |
1722 | * bnx2fc_ulp_get_stats - cnic callback to populate FCoE stats | |
1723 | * | |
1724 | * @handle: transport handle pointing to adapter struture | |
1725 | */ | |
1726 | static int bnx2fc_ulp_get_stats(void *handle) | |
1727 | { | |
1728 | struct bnx2fc_hba *hba = handle; | |
1729 | struct cnic_dev *cnic; | |
1730 | struct fcoe_stats_info *stats_addr; | |
1731 | ||
1732 | if (!hba) | |
1733 | return -EINVAL; | |
1734 | ||
1735 | cnic = hba->cnic; | |
1736 | stats_addr = &cnic->stats_addr->fcoe_stat; | |
1737 | if (!stats_addr) | |
1738 | return -EINVAL; | |
1739 | ||
1740 | strncpy(stats_addr->version, BNX2FC_VERSION, | |
1741 | sizeof(stats_addr->version)); | |
1742 | stats_addr->txq_size = BNX2FC_SQ_WQES_MAX; | |
1743 | stats_addr->rxq_size = BNX2FC_CQ_WQES_MAX; | |
1744 | ||
1745 | return 0; | |
1746 | } | |
853e2bd2 BG |
1747 | |
1748 | ||
1749 | /** | |
1750 | * bnx2fc_ulp_start - cnic callback to initialize & start adapter instance | |
1751 | * | |
59e13d48 | 1752 | * @handle: transport handle pointing to adapter structure |
853e2bd2 BG |
1753 | * |
1754 | * This function maps adapter structure to pcidev structure and initiates | |
1755 | * firmware handshake to enable/initialize on-chip FCoE components. | |
1756 | * This bnx2fc - cnic interface api callback is used after following | |
1757 | * conditions are met - | |
1758 | * a) underlying network interface is up (marked by event NETDEV_UP | |
1759 | * from netdev | |
1760 | * b) bnx2fc adatper structure is registered. | |
1761 | */ | |
1762 | static void bnx2fc_ulp_start(void *handle) | |
1763 | { | |
1764 | struct bnx2fc_hba *hba = handle; | |
aea71a02 | 1765 | struct bnx2fc_interface *interface; |
fd8f8902 | 1766 | struct fcoe_ctlr *ctlr; |
aea71a02 | 1767 | struct fc_lport *lport; |
853e2bd2 | 1768 | |
853e2bd2 BG |
1769 | mutex_lock(&bnx2fc_dev_lock); |
1770 | ||
aea71a02 | 1771 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) |
853e2bd2 BG |
1772 | bnx2fc_fw_init(hba); |
1773 | ||
853e2bd2 BG |
1774 | BNX2FC_MISC_DBG("bnx2fc started.\n"); |
1775 | ||
aea71a02 BPG |
1776 | list_for_each_entry(interface, &if_list, list) { |
1777 | if (interface->hba == hba) { | |
fd8f8902 RL |
1778 | ctlr = bnx2fc_to_ctlr(interface); |
1779 | lport = ctlr->lp; | |
aea71a02 BPG |
1780 | /* Kick off Fabric discovery*/ |
1781 | printk(KERN_ERR PFX "ulp_init: start discovery\n"); | |
1782 | lport->tt.frame_send = bnx2fc_xmit; | |
1783 | bnx2fc_start_disc(interface); | |
1784 | } | |
853e2bd2 | 1785 | } |
aea71a02 BPG |
1786 | |
1787 | mutex_unlock(&bnx2fc_dev_lock); | |
853e2bd2 BG |
1788 | } |
1789 | ||
1790 | static void bnx2fc_port_shutdown(struct fc_lport *lport) | |
1791 | { | |
1792 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
1793 | fc_fabric_logoff(lport); | |
1794 | fc_lport_destroy(lport); | |
1795 | } | |
1796 | ||
aea71a02 | 1797 | static void bnx2fc_stop(struct bnx2fc_interface *interface) |
853e2bd2 | 1798 | { |
fd8f8902 | 1799 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
853e2bd2 BG |
1800 | struct fc_lport *lport; |
1801 | struct fc_lport *vport; | |
1802 | ||
aea71a02 BPG |
1803 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) |
1804 | return; | |
853e2bd2 | 1805 | |
fd8f8902 | 1806 | lport = ctlr->lp; |
aea71a02 BPG |
1807 | bnx2fc_port_shutdown(lport); |
1808 | ||
1809 | mutex_lock(&lport->lp_mutex); | |
1810 | list_for_each_entry(vport, &lport->vports, list) | |
1811 | fc_host_port_type(vport->host) = | |
1812 | FC_PORTTYPE_UNKNOWN; | |
1813 | mutex_unlock(&lport->lp_mutex); | |
1814 | fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN; | |
fd8f8902 | 1815 | fcoe_ctlr_link_down(ctlr); |
aea71a02 | 1816 | fcoe_clean_pending_queue(lport); |
853e2bd2 BG |
1817 | } |
1818 | ||
1819 | static int bnx2fc_fw_init(struct bnx2fc_hba *hba) | |
1820 | { | |
1821 | #define BNX2FC_INIT_POLL_TIME (1000 / HZ) | |
1822 | int rc = -1; | |
1823 | int i = HZ; | |
1824 | ||
1825 | rc = bnx2fc_bind_adapter_devices(hba); | |
1826 | if (rc) { | |
1827 | printk(KERN_ALERT PFX | |
1828 | "bnx2fc_bind_adapter_devices failed - rc = %d\n", rc); | |
1829 | goto err_out; | |
1830 | } | |
1831 | ||
1832 | rc = bnx2fc_send_fw_fcoe_init_msg(hba); | |
1833 | if (rc) { | |
1834 | printk(KERN_ALERT PFX | |
1835 | "bnx2fc_send_fw_fcoe_init_msg failed - rc = %d\n", rc); | |
1836 | goto err_unbind; | |
1837 | } | |
1838 | ||
1839 | /* | |
1840 | * Wait until the adapter init message is complete, and adapter | |
1841 | * state is UP. | |
1842 | */ | |
1843 | while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && i--) | |
1844 | msleep(BNX2FC_INIT_POLL_TIME); | |
1845 | ||
1846 | if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state)) { | |
1847 | printk(KERN_ERR PFX "bnx2fc_start: %s failed to initialize. " | |
1848 | "Ignoring...\n", | |
1849 | hba->cnic->netdev->name); | |
1850 | rc = -1; | |
1851 | goto err_unbind; | |
1852 | } | |
1853 | ||
1854 | ||
aea71a02 | 1855 | set_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags); |
853e2bd2 BG |
1856 | return 0; |
1857 | ||
1858 | err_unbind: | |
1859 | bnx2fc_unbind_adapter_devices(hba); | |
1860 | err_out: | |
1861 | return rc; | |
1862 | } | |
1863 | ||
1864 | static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba) | |
1865 | { | |
aea71a02 | 1866 | if (test_and_clear_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) { |
853e2bd2 BG |
1867 | if (bnx2fc_send_fw_fcoe_destroy_msg(hba) == 0) { |
1868 | init_timer(&hba->destroy_timer); | |
1869 | hba->destroy_timer.expires = BNX2FC_FW_TIMEOUT + | |
1870 | jiffies; | |
1871 | hba->destroy_timer.function = bnx2fc_destroy_timer; | |
1872 | hba->destroy_timer.data = (unsigned long)hba; | |
1873 | add_timer(&hba->destroy_timer); | |
1874 | wait_event_interruptible(hba->destroy_wait, | |
aea71a02 BPG |
1875 | test_bit(BNX2FC_FLAG_DESTROY_CMPL, |
1876 | &hba->flags)); | |
cd703ae7 | 1877 | clear_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags); |
853e2bd2 BG |
1878 | /* This should never happen */ |
1879 | if (signal_pending(current)) | |
1880 | flush_signals(current); | |
1881 | ||
1882 | del_timer_sync(&hba->destroy_timer); | |
1883 | } | |
1884 | bnx2fc_unbind_adapter_devices(hba); | |
1885 | } | |
1886 | } | |
1887 | ||
1888 | /** | |
1889 | * bnx2fc_ulp_stop - cnic callback to shutdown adapter instance | |
1890 | * | |
1891 | * @handle: transport handle pointing to adapter structure | |
1892 | * | |
1893 | * Driver checks if adapter is already in shutdown mode, if not start | |
1894 | * the shutdown process. | |
1895 | */ | |
1896 | static void bnx2fc_ulp_stop(void *handle) | |
1897 | { | |
aea71a02 BPG |
1898 | struct bnx2fc_hba *hba = handle; |
1899 | struct bnx2fc_interface *interface; | |
853e2bd2 BG |
1900 | |
1901 | printk(KERN_ERR "ULP_STOP\n"); | |
1902 | ||
1903 | mutex_lock(&bnx2fc_dev_lock); | |
aea71a02 BPG |
1904 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) |
1905 | goto exit; | |
1906 | list_for_each_entry(interface, &if_list, list) { | |
1907 | if (interface->hba == hba) | |
1908 | bnx2fc_stop(interface); | |
1909 | } | |
1910 | BUG_ON(hba->num_ofld_sess != 0); | |
1911 | ||
1912 | mutex_lock(&hba->hba_mutex); | |
1913 | clear_bit(ADAPTER_STATE_UP, &hba->adapter_state); | |
1914 | clear_bit(ADAPTER_STATE_GOING_DOWN, | |
1915 | &hba->adapter_state); | |
1916 | ||
1917 | clear_bit(ADAPTER_STATE_READY, &hba->adapter_state); | |
1918 | mutex_unlock(&hba->hba_mutex); | |
1919 | ||
853e2bd2 | 1920 | bnx2fc_fw_destroy(hba); |
aea71a02 | 1921 | exit: |
853e2bd2 BG |
1922 | mutex_unlock(&bnx2fc_dev_lock); |
1923 | } | |
1924 | ||
aea71a02 | 1925 | static void bnx2fc_start_disc(struct bnx2fc_interface *interface) |
853e2bd2 | 1926 | { |
fd8f8902 | 1927 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
853e2bd2 BG |
1928 | struct fc_lport *lport; |
1929 | int wait_cnt = 0; | |
1930 | ||
1931 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
1932 | /* Kick off FIP/FLOGI */ | |
aea71a02 | 1933 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) { |
853e2bd2 BG |
1934 | printk(KERN_ERR PFX "Init not done yet\n"); |
1935 | return; | |
1936 | } | |
1937 | ||
fd8f8902 | 1938 | lport = ctlr->lp; |
853e2bd2 BG |
1939 | BNX2FC_HBA_DBG(lport, "calling fc_fabric_login\n"); |
1940 | ||
8a5badf1 | 1941 | if (!bnx2fc_link_ok(lport) && interface->enabled) { |
853e2bd2 | 1942 | BNX2FC_HBA_DBG(lport, "ctlr_link_up\n"); |
fd8f8902 | 1943 | fcoe_ctlr_link_up(ctlr); |
853e2bd2 | 1944 | fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT; |
aea71a02 | 1945 | set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state); |
853e2bd2 BG |
1946 | } |
1947 | ||
1948 | /* wait for the FCF to be selected before issuing FLOGI */ | |
fd8f8902 | 1949 | while (!ctlr->sel_fcf) { |
853e2bd2 BG |
1950 | msleep(250); |
1951 | /* give up after 3 secs */ | |
1952 | if (++wait_cnt > 12) | |
1953 | break; | |
1954 | } | |
627e628f BPG |
1955 | |
1956 | /* Reset max receive frame size to default */ | |
1957 | if (fc_set_mfs(lport, BNX2FC_MFS)) | |
1958 | return; | |
1959 | ||
853e2bd2 BG |
1960 | fc_lport_init(lport); |
1961 | fc_fabric_login(lport); | |
1962 | } | |
1963 | ||
1964 | ||
1965 | /** | |
1966 | * bnx2fc_ulp_init - Initialize an adapter instance | |
1967 | * | |
1968 | * @dev : cnic device handle | |
1969 | * Called from cnic_register_driver() context to initialize all | |
1970 | * enumerated cnic devices. This routine allocates adapter structure | |
1971 | * and other device specific resources. | |
1972 | */ | |
1973 | static void bnx2fc_ulp_init(struct cnic_dev *dev) | |
1974 | { | |
1975 | struct bnx2fc_hba *hba; | |
1976 | int rc = 0; | |
1977 | ||
1978 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
1979 | /* bnx2fc works only when bnx2x is loaded */ | |
aea71a02 BPG |
1980 | if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags) || |
1981 | (dev->max_fcoe_conn == 0)) { | |
853e2bd2 | 1982 | printk(KERN_ERR PFX "bnx2fc FCoE not supported on %s," |
aea71a02 BPG |
1983 | " flags: %lx fcoe_conn: %d\n", |
1984 | dev->netdev->name, dev->flags, dev->max_fcoe_conn); | |
853e2bd2 BG |
1985 | return; |
1986 | } | |
1987 | ||
aea71a02 | 1988 | hba = bnx2fc_hba_create(dev); |
853e2bd2 BG |
1989 | if (!hba) { |
1990 | printk(KERN_ERR PFX "hba initialization failed\n"); | |
1991 | return; | |
1992 | } | |
1993 | ||
1994 | /* Add HBA to the adapter list */ | |
1995 | mutex_lock(&bnx2fc_dev_lock); | |
aea71a02 | 1996 | list_add_tail(&hba->list, &adapter_list); |
853e2bd2 BG |
1997 | adapter_count++; |
1998 | mutex_unlock(&bnx2fc_dev_lock); | |
1999 | ||
2e499d3c | 2000 | dev->fcoe_cap = &hba->fcoe_cap; |
853e2bd2 BG |
2001 | clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic); |
2002 | rc = dev->register_device(dev, CNIC_ULP_FCOE, | |
2003 | (void *) hba); | |
2004 | if (rc) | |
b2a554ff | 2005 | printk(KERN_ERR PFX "register_device failed, rc = %d\n", rc); |
853e2bd2 BG |
2006 | else |
2007 | set_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic); | |
2008 | } | |
2009 | ||
0680810c EW |
2010 | /* Assumes rtnl_lock and the bnx2fc_dev_lock are already taken */ |
2011 | static int __bnx2fc_disable(struct fcoe_ctlr *ctlr) | |
2012 | { | |
2013 | struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr); | |
2014 | ||
2015 | if (interface->enabled == true) { | |
2016 | if (!ctlr->lp) { | |
2017 | pr_err(PFX "__bnx2fc_disable: lport not found\n"); | |
2018 | return -ENODEV; | |
2019 | } else { | |
2020 | interface->enabled = false; | |
2021 | fcoe_ctlr_link_down(ctlr); | |
2022 | fcoe_clean_pending_queue(ctlr->lp); | |
2023 | } | |
2024 | } | |
2025 | return 0; | |
2026 | } | |
2027 | ||
6e89ea3f RL |
2028 | /** |
2029 | * Deperecated: Use bnx2fc_enabled() | |
2030 | */ | |
853e2bd2 BG |
2031 | static int bnx2fc_disable(struct net_device *netdev) |
2032 | { | |
aea71a02 | 2033 | struct bnx2fc_interface *interface; |
fd8f8902 | 2034 | struct fcoe_ctlr *ctlr; |
853e2bd2 BG |
2035 | int rc = 0; |
2036 | ||
6702ca1d | 2037 | rtnl_lock(); |
853e2bd2 BG |
2038 | mutex_lock(&bnx2fc_dev_lock); |
2039 | ||
aea71a02 | 2040 | interface = bnx2fc_interface_lookup(netdev); |
fd8f8902 | 2041 | ctlr = bnx2fc_to_ctlr(interface); |
0680810c EW |
2042 | |
2043 | if (!interface) { | |
853e2bd2 | 2044 | rc = -ENODEV; |
0680810c | 2045 | pr_err(PFX "bnx2fc_disable: interface not found\n"); |
853e2bd2 | 2046 | } else { |
0680810c | 2047 | rc = __bnx2fc_disable(ctlr); |
853e2bd2 | 2048 | } |
853e2bd2 BG |
2049 | mutex_unlock(&bnx2fc_dev_lock); |
2050 | rtnl_unlock(); | |
2051 | return rc; | |
2052 | } | |
2053 | ||
0680810c EW |
2054 | static int __bnx2fc_enable(struct fcoe_ctlr *ctlr) |
2055 | { | |
2056 | struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr); | |
2057 | ||
2058 | if (interface->enabled == false) { | |
2059 | if (!ctlr->lp) { | |
2060 | pr_err(PFX "__bnx2fc_enable: lport not found\n"); | |
2061 | return -ENODEV; | |
2062 | } else if (!bnx2fc_link_ok(ctlr->lp)) { | |
2063 | fcoe_ctlr_link_up(ctlr); | |
2064 | interface->enabled = true; | |
2065 | } | |
2066 | } | |
2067 | return 0; | |
2068 | } | |
2069 | ||
6e89ea3f RL |
2070 | /** |
2071 | * Deprecated: Use bnx2fc_enabled() | |
2072 | */ | |
853e2bd2 BG |
2073 | static int bnx2fc_enable(struct net_device *netdev) |
2074 | { | |
aea71a02 | 2075 | struct bnx2fc_interface *interface; |
fd8f8902 | 2076 | struct fcoe_ctlr *ctlr; |
853e2bd2 BG |
2077 | int rc = 0; |
2078 | ||
6702ca1d | 2079 | rtnl_lock(); |
853e2bd2 BG |
2080 | mutex_lock(&bnx2fc_dev_lock); |
2081 | ||
aea71a02 | 2082 | interface = bnx2fc_interface_lookup(netdev); |
fd8f8902 | 2083 | ctlr = bnx2fc_to_ctlr(interface); |
0680810c | 2084 | if (!interface) { |
853e2bd2 | 2085 | rc = -ENODEV; |
0680810c EW |
2086 | pr_err(PFX "bnx2fc_enable: interface not found\n"); |
2087 | } else { | |
2088 | rc = __bnx2fc_enable(ctlr); | |
8a5badf1 | 2089 | } |
853e2bd2 | 2090 | |
853e2bd2 BG |
2091 | mutex_unlock(&bnx2fc_dev_lock); |
2092 | rtnl_unlock(); | |
2093 | return rc; | |
2094 | } | |
2095 | ||
2096 | /** | |
6e89ea3f RL |
2097 | * bnx2fc_ctlr_enabled() - Enable or disable an FCoE Controller |
2098 | * @cdev: The FCoE Controller that is being enabled or disabled | |
853e2bd2 | 2099 | * |
6e89ea3f RL |
2100 | * fcoe_sysfs will ensure that the state of 'enabled' has |
2101 | * changed, so no checking is necessary here. This routine simply | |
2102 | * calls fcoe_enable or fcoe_disable, both of which are deprecated. | |
2103 | * When those routines are removed the functionality can be merged | |
2104 | * here. | |
2105 | */ | |
2106 | static int bnx2fc_ctlr_enabled(struct fcoe_ctlr_device *cdev) | |
2107 | { | |
2108 | struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(cdev); | |
6e89ea3f RL |
2109 | |
2110 | switch (cdev->enabled) { | |
2111 | case FCOE_CTLR_ENABLED: | |
0680810c | 2112 | return __bnx2fc_enable(ctlr); |
6e89ea3f | 2113 | case FCOE_CTLR_DISABLED: |
0680810c | 2114 | return __bnx2fc_disable(ctlr); |
6e89ea3f RL |
2115 | case FCOE_CTLR_UNUSED: |
2116 | default: | |
2117 | return -ENOTSUPP; | |
2118 | }; | |
2119 | } | |
2120 | ||
2121 | enum bnx2fc_create_link_state { | |
2122 | BNX2FC_CREATE_LINK_DOWN, | |
2123 | BNX2FC_CREATE_LINK_UP, | |
2124 | }; | |
2125 | ||
2126 | /** | |
2127 | * _bnx2fc_create() - Create bnx2fc FCoE interface | |
2128 | * @netdev : The net_device object the Ethernet interface to create on | |
2129 | * @fip_mode: The FIP mode for this creation | |
2130 | * @link_state: The ctlr link state on creation | |
853e2bd2 | 2131 | * |
6e89ea3f RL |
2132 | * Called from either the libfcoe 'create' module parameter |
2133 | * via fcoe_create or from fcoe_syfs's ctlr_create file. | |
853e2bd2 | 2134 | * |
6e89ea3f RL |
2135 | * libfcoe's 'create' module parameter is deprecated so some |
2136 | * consolidation of code can be done when that interface is | |
2137 | * removed. | |
853e2bd2 BG |
2138 | * |
2139 | * Returns: 0 for success | |
2140 | */ | |
6e89ea3f RL |
2141 | static int _bnx2fc_create(struct net_device *netdev, |
2142 | enum fip_state fip_mode, | |
2143 | enum bnx2fc_create_link_state link_state) | |
853e2bd2 | 2144 | { |
6e89ea3f | 2145 | struct fcoe_ctlr_device *cdev; |
fd8f8902 | 2146 | struct fcoe_ctlr *ctlr; |
aea71a02 | 2147 | struct bnx2fc_interface *interface; |
853e2bd2 | 2148 | struct bnx2fc_hba *hba; |
7adc5a37 | 2149 | struct net_device *phys_dev = netdev; |
853e2bd2 BG |
2150 | struct fc_lport *lport; |
2151 | struct ethtool_drvinfo drvinfo; | |
2152 | int rc = 0; | |
7adc5a37 | 2153 | int vlan_id = 0; |
853e2bd2 BG |
2154 | |
2155 | BNX2FC_MISC_DBG("Entered bnx2fc_create\n"); | |
2156 | if (fip_mode != FIP_MODE_FABRIC) { | |
2157 | printk(KERN_ERR "fip mode not FABRIC\n"); | |
2158 | return -EIO; | |
2159 | } | |
2160 | ||
6702ca1d NS |
2161 | rtnl_lock(); |
2162 | ||
853e2bd2 BG |
2163 | mutex_lock(&bnx2fc_dev_lock); |
2164 | ||
853e2bd2 BG |
2165 | if (!try_module_get(THIS_MODULE)) { |
2166 | rc = -EINVAL; | |
2167 | goto mod_err; | |
2168 | } | |
2169 | ||
2170 | /* obtain physical netdev */ | |
7adc5a37 | 2171 | if (netdev->priv_flags & IFF_802_1Q_VLAN) |
853e2bd2 | 2172 | phys_dev = vlan_dev_real_dev(netdev); |
7adc5a37 | 2173 | |
853e2bd2 BG |
2174 | /* verify if the physical device is a netxtreme2 device */ |
2175 | if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) { | |
2176 | memset(&drvinfo, 0, sizeof(drvinfo)); | |
2177 | phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo); | |
aea71a02 | 2178 | if (strncmp(drvinfo.driver, "bnx2x", strlen("bnx2x"))) { |
853e2bd2 BG |
2179 | printk(KERN_ERR PFX "Not a netxtreme2 device\n"); |
2180 | rc = -EINVAL; | |
2181 | goto netdev_err; | |
2182 | } | |
2183 | } else { | |
2184 | printk(KERN_ERR PFX "unable to obtain drv_info\n"); | |
2185 | rc = -EINVAL; | |
2186 | goto netdev_err; | |
2187 | } | |
2188 | ||
aea71a02 | 2189 | /* obtain interface and initialize rest of the structure */ |
853e2bd2 BG |
2190 | hba = bnx2fc_hba_lookup(phys_dev); |
2191 | if (!hba) { | |
2192 | rc = -ENODEV; | |
2193 | printk(KERN_ERR PFX "bnx2fc_create: hba not found\n"); | |
2194 | goto netdev_err; | |
2195 | } | |
2196 | ||
aea71a02 | 2197 | if (bnx2fc_interface_lookup(netdev)) { |
853e2bd2 BG |
2198 | rc = -EEXIST; |
2199 | goto netdev_err; | |
2200 | } | |
2201 | ||
aea71a02 BPG |
2202 | interface = bnx2fc_interface_create(hba, netdev, fip_mode); |
2203 | if (!interface) { | |
2204 | printk(KERN_ERR PFX "bnx2fc_interface_create failed\n"); | |
2043e1fd | 2205 | rc = -ENOMEM; |
853e2bd2 BG |
2206 | goto ifput_err; |
2207 | } | |
2208 | ||
7adc5a37 BPG |
2209 | if (netdev->priv_flags & IFF_802_1Q_VLAN) { |
2210 | vlan_id = vlan_dev_vlan_id(netdev); | |
2211 | interface->vlan_enabled = 1; | |
2212 | } | |
2213 | ||
fd8f8902 | 2214 | ctlr = bnx2fc_to_ctlr(interface); |
01bdcb62 | 2215 | cdev = fcoe_ctlr_to_ctlr_dev(ctlr); |
aea71a02 | 2216 | interface->vlan_id = vlan_id; |
aea71a02 BPG |
2217 | |
2218 | interface->timer_work_queue = | |
853e2bd2 | 2219 | create_singlethread_workqueue("bnx2fc_timer_wq"); |
aea71a02 | 2220 | if (!interface->timer_work_queue) { |
853e2bd2 BG |
2221 | printk(KERN_ERR PFX "ulp_init could not create timer_wq\n"); |
2222 | rc = -EINVAL; | |
2223 | goto ifput_err; | |
2224 | } | |
2225 | ||
01bdcb62 | 2226 | lport = bnx2fc_if_create(interface, &cdev->dev, 0); |
853e2bd2 BG |
2227 | if (!lport) { |
2228 | printk(KERN_ERR PFX "Failed to create interface (%s)\n", | |
2229 | netdev->name); | |
853e2bd2 BG |
2230 | rc = -EINVAL; |
2231 | goto if_create_err; | |
2232 | } | |
2233 | ||
aea71a02 BPG |
2234 | /* Add interface to if_list */ |
2235 | list_add_tail(&interface->list, &if_list); | |
2236 | ||
853e2bd2 BG |
2237 | lport->boot_time = jiffies; |
2238 | ||
2239 | /* Make this master N_port */ | |
fd8f8902 | 2240 | ctlr->lp = lport; |
853e2bd2 | 2241 | |
6e89ea3f RL |
2242 | if (link_state == BNX2FC_CREATE_LINK_UP) |
2243 | cdev->enabled = FCOE_CTLR_ENABLED; | |
2244 | else | |
2245 | cdev->enabled = FCOE_CTLR_DISABLED; | |
2246 | ||
2247 | if (link_state == BNX2FC_CREATE_LINK_UP && | |
2248 | !bnx2fc_link_ok(lport)) { | |
fd8f8902 | 2249 | fcoe_ctlr_link_up(ctlr); |
8a5badf1 BPG |
2250 | fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT; |
2251 | set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state); | |
2252 | } | |
2253 | ||
aea71a02 BPG |
2254 | BNX2FC_HBA_DBG(lport, "create: START DISC\n"); |
2255 | bnx2fc_start_disc(interface); | |
6e89ea3f RL |
2256 | |
2257 | if (link_state == BNX2FC_CREATE_LINK_UP) | |
2258 | interface->enabled = true; | |
2259 | ||
853e2bd2 BG |
2260 | /* |
2261 | * Release from kref_init in bnx2fc_interface_setup, on success | |
2262 | * lport should be holding a reference taken in bnx2fc_if_create | |
2263 | */ | |
aea71a02 | 2264 | bnx2fc_interface_put(interface); |
853e2bd2 BG |
2265 | /* put netdev that was held while calling dev_get_by_name */ |
2266 | mutex_unlock(&bnx2fc_dev_lock); | |
2267 | rtnl_unlock(); | |
2268 | return 0; | |
2269 | ||
2270 | if_create_err: | |
aea71a02 | 2271 | destroy_workqueue(interface->timer_work_queue); |
853e2bd2 | 2272 | ifput_err: |
013068fa | 2273 | bnx2fc_net_cleanup(interface); |
aea71a02 | 2274 | bnx2fc_interface_put(interface); |
7d742f65 | 2275 | goto mod_err; |
853e2bd2 BG |
2276 | netdev_err: |
2277 | module_put(THIS_MODULE); | |
2278 | mod_err: | |
2279 | mutex_unlock(&bnx2fc_dev_lock); | |
2280 | rtnl_unlock(); | |
2281 | return rc; | |
2282 | } | |
2283 | ||
6e89ea3f RL |
2284 | /** |
2285 | * bnx2fc_create() - Create a bnx2fc interface | |
2286 | * @netdev : The net_device object the Ethernet interface to create on | |
2287 | * @fip_mode: The FIP mode for this creation | |
2288 | * | |
2289 | * Called from fcoe transport | |
2290 | * | |
2291 | * Returns: 0 for success | |
2292 | */ | |
2293 | static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode) | |
2294 | { | |
2295 | return _bnx2fc_create(netdev, fip_mode, BNX2FC_CREATE_LINK_UP); | |
2296 | } | |
2297 | ||
2298 | /** | |
2299 | * bnx2fc_ctlr_alloc() - Allocate a bnx2fc interface from fcoe_sysfs | |
2300 | * @netdev: The net_device to be used by the allocated FCoE Controller | |
2301 | * | |
2302 | * This routine is called from fcoe_sysfs. It will start the fcoe_ctlr | |
2303 | * in a link_down state. The allows the user an opportunity to configure | |
2304 | * the FCoE Controller from sysfs before enabling the FCoE Controller. | |
2305 | * | |
2306 | * Creating in with this routine starts the FCoE Controller in Fabric | |
2307 | * mode. The user can change to VN2VN or another mode before enabling. | |
2308 | */ | |
2309 | static int bnx2fc_ctlr_alloc(struct net_device *netdev) | |
2310 | { | |
2311 | return _bnx2fc_create(netdev, FIP_MODE_FABRIC, | |
2312 | BNX2FC_CREATE_LINK_DOWN); | |
2313 | } | |
2314 | ||
853e2bd2 | 2315 | /** |
aea71a02 | 2316 | * bnx2fc_find_hba_for_cnic - maps cnic instance to bnx2fc hba instance |
853e2bd2 BG |
2317 | * |
2318 | * @cnic: Pointer to cnic device instance | |
2319 | * | |
2320 | **/ | |
2321 | static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic) | |
2322 | { | |
853e2bd2 BG |
2323 | struct bnx2fc_hba *hba; |
2324 | ||
2325 | /* Called with bnx2fc_dev_lock held */ | |
d71fb3bd | 2326 | list_for_each_entry(hba, &adapter_list, list) { |
853e2bd2 BG |
2327 | if (hba->cnic == cnic) |
2328 | return hba; | |
2329 | } | |
2330 | return NULL; | |
2331 | } | |
2332 | ||
aea71a02 BPG |
2333 | static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device |
2334 | *netdev) | |
2335 | { | |
2336 | struct bnx2fc_interface *interface; | |
2337 | ||
2338 | /* Called with bnx2fc_dev_lock held */ | |
2339 | list_for_each_entry(interface, &if_list, list) { | |
2340 | if (interface->netdev == netdev) | |
2341 | return interface; | |
2342 | } | |
2343 | return NULL; | |
2344 | } | |
2345 | ||
2346 | static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device | |
2347 | *phys_dev) | |
853e2bd2 | 2348 | { |
853e2bd2 BG |
2349 | struct bnx2fc_hba *hba; |
2350 | ||
2351 | /* Called with bnx2fc_dev_lock held */ | |
aea71a02 | 2352 | list_for_each_entry(hba, &adapter_list, list) { |
853e2bd2 BG |
2353 | if (hba->phys_dev == phys_dev) |
2354 | return hba; | |
2355 | } | |
aea71a02 | 2356 | printk(KERN_ERR PFX "adapter_lookup: hba NULL\n"); |
853e2bd2 BG |
2357 | return NULL; |
2358 | } | |
2359 | ||
2360 | /** | |
2361 | * bnx2fc_ulp_exit - shuts down adapter instance and frees all resources | |
2362 | * | |
2363 | * @dev cnic device handle | |
2364 | */ | |
2365 | static void bnx2fc_ulp_exit(struct cnic_dev *dev) | |
2366 | { | |
2367 | struct bnx2fc_hba *hba; | |
aea71a02 | 2368 | struct bnx2fc_interface *interface, *tmp; |
853e2bd2 BG |
2369 | |
2370 | BNX2FC_MISC_DBG("Entered bnx2fc_ulp_exit\n"); | |
2371 | ||
2372 | if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) { | |
2373 | printk(KERN_ERR PFX "bnx2fc port check: %s, flags: %lx\n", | |
2374 | dev->netdev->name, dev->flags); | |
2375 | return; | |
2376 | } | |
2377 | ||
2378 | mutex_lock(&bnx2fc_dev_lock); | |
2379 | hba = bnx2fc_find_hba_for_cnic(dev); | |
2380 | if (!hba) { | |
2381 | printk(KERN_ERR PFX "bnx2fc_ulp_exit: hba not found, dev 0%p\n", | |
2382 | dev); | |
2383 | mutex_unlock(&bnx2fc_dev_lock); | |
2384 | return; | |
2385 | } | |
2386 | ||
aea71a02 | 2387 | list_del_init(&hba->list); |
853e2bd2 BG |
2388 | adapter_count--; |
2389 | ||
abc49a93 | 2390 | list_for_each_entry_safe(interface, tmp, &if_list, list) |
853e2bd2 | 2391 | /* destroy not called yet, move to quiesced list */ |
abc49a93 | 2392 | if (interface->hba == hba) |
eccdcd02 | 2393 | __bnx2fc_destroy(interface); |
853e2bd2 BG |
2394 | mutex_unlock(&bnx2fc_dev_lock); |
2395 | ||
06c4f20d EW |
2396 | /* Ensure ALL destroy work has been completed before return */ |
2397 | flush_workqueue(bnx2fc_wq); | |
2398 | ||
853e2bd2 BG |
2399 | bnx2fc_ulp_stop(hba); |
2400 | /* unregister cnic device */ | |
2401 | if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic)) | |
2402 | hba->cnic->unregister_device(hba->cnic, CNIC_ULP_FCOE); | |
aea71a02 | 2403 | bnx2fc_hba_destroy(hba); |
853e2bd2 BG |
2404 | } |
2405 | ||
2406 | /** | |
2407 | * bnx2fc_fcoe_reset - Resets the fcoe | |
2408 | * | |
2409 | * @shost: shost the reset is from | |
2410 | * | |
2411 | * Returns: always 0 | |
2412 | */ | |
2413 | static int bnx2fc_fcoe_reset(struct Scsi_Host *shost) | |
2414 | { | |
2415 | struct fc_lport *lport = shost_priv(shost); | |
2416 | fc_lport_reset(lport); | |
2417 | return 0; | |
2418 | } | |
2419 | ||
2420 | ||
2421 | static bool bnx2fc_match(struct net_device *netdev) | |
2422 | { | |
7adc5a37 BPG |
2423 | struct net_device *phys_dev = netdev; |
2424 | ||
853e2bd2 | 2425 | mutex_lock(&bnx2fc_dev_lock); |
7adc5a37 BPG |
2426 | if (netdev->priv_flags & IFF_802_1Q_VLAN) |
2427 | phys_dev = vlan_dev_real_dev(netdev); | |
853e2bd2 | 2428 | |
7adc5a37 BPG |
2429 | if (bnx2fc_hba_lookup(phys_dev)) { |
2430 | mutex_unlock(&bnx2fc_dev_lock); | |
2431 | return true; | |
853e2bd2 | 2432 | } |
7adc5a37 | 2433 | |
853e2bd2 BG |
2434 | mutex_unlock(&bnx2fc_dev_lock); |
2435 | return false; | |
2436 | } | |
2437 | ||
2438 | ||
2439 | static struct fcoe_transport bnx2fc_transport = { | |
2440 | .name = {"bnx2fc"}, | |
2441 | .attached = false, | |
2442 | .list = LIST_HEAD_INIT(bnx2fc_transport.list), | |
6e89ea3f | 2443 | .alloc = bnx2fc_ctlr_alloc, |
853e2bd2 BG |
2444 | .match = bnx2fc_match, |
2445 | .create = bnx2fc_create, | |
2446 | .destroy = bnx2fc_destroy, | |
2447 | .enable = bnx2fc_enable, | |
2448 | .disable = bnx2fc_disable, | |
2449 | }; | |
2450 | ||
2451 | /** | |
2452 | * bnx2fc_percpu_thread_create - Create a receive thread for an | |
2453 | * online CPU | |
2454 | * | |
2455 | * @cpu: cpu index for the online cpu | |
2456 | */ | |
2457 | static void bnx2fc_percpu_thread_create(unsigned int cpu) | |
2458 | { | |
2459 | struct bnx2fc_percpu_s *p; | |
2460 | struct task_struct *thread; | |
2461 | ||
2462 | p = &per_cpu(bnx2fc_percpu, cpu); | |
2463 | ||
69614270 ED |
2464 | thread = kthread_create_on_node(bnx2fc_percpu_io_thread, |
2465 | (void *)p, cpu_to_node(cpu), | |
2466 | "bnx2fc_thread/%d", cpu); | |
853e2bd2 | 2467 | /* bind thread to the cpu */ |
32248763 | 2468 | if (likely(!IS_ERR(thread))) { |
853e2bd2 BG |
2469 | kthread_bind(thread, cpu); |
2470 | p->iothread = thread; | |
2471 | wake_up_process(thread); | |
2472 | } | |
2473 | } | |
2474 | ||
2475 | static void bnx2fc_percpu_thread_destroy(unsigned int cpu) | |
2476 | { | |
2477 | struct bnx2fc_percpu_s *p; | |
2478 | struct task_struct *thread; | |
2479 | struct bnx2fc_work *work, *tmp; | |
853e2bd2 BG |
2480 | |
2481 | BNX2FC_MISC_DBG("destroying io thread for CPU %d\n", cpu); | |
2482 | ||
2483 | /* Prevent any new work from being queued for this CPU */ | |
2484 | p = &per_cpu(bnx2fc_percpu, cpu); | |
2485 | spin_lock_bh(&p->fp_work_lock); | |
2486 | thread = p->iothread; | |
2487 | p->iothread = NULL; | |
2488 | ||
2489 | ||
2490 | /* Free all work in the list */ | |
32248763 | 2491 | list_for_each_entry_safe(work, tmp, &p->work_list, list) { |
853e2bd2 BG |
2492 | list_del_init(&work->list); |
2493 | bnx2fc_process_cq_compl(work->tgt, work->wqe); | |
2494 | kfree(work); | |
2495 | } | |
2496 | ||
2497 | spin_unlock_bh(&p->fp_work_lock); | |
2498 | ||
2499 | if (thread) | |
2500 | kthread_stop(thread); | |
2501 | } | |
2502 | ||
2503 | /** | |
2504 | * bnx2fc_cpu_callback - Handler for CPU hotplug events | |
2505 | * | |
2506 | * @nfb: The callback data block | |
2507 | * @action: The event triggering the callback | |
2508 | * @hcpu: The index of the CPU that the event is for | |
2509 | * | |
2510 | * This creates or destroys per-CPU data for fcoe | |
2511 | * | |
2512 | * Returns NOTIFY_OK always. | |
2513 | */ | |
2514 | static int bnx2fc_cpu_callback(struct notifier_block *nfb, | |
2515 | unsigned long action, void *hcpu) | |
2516 | { | |
2517 | unsigned cpu = (unsigned long)hcpu; | |
2518 | ||
2519 | switch (action) { | |
2520 | case CPU_ONLINE: | |
2521 | case CPU_ONLINE_FROZEN: | |
2522 | printk(PFX "CPU %x online: Create Rx thread\n", cpu); | |
2523 | bnx2fc_percpu_thread_create(cpu); | |
2524 | break; | |
2525 | case CPU_DEAD: | |
2526 | case CPU_DEAD_FROZEN: | |
2527 | printk(PFX "CPU %x offline: Remove Rx thread\n", cpu); | |
2528 | bnx2fc_percpu_thread_destroy(cpu); | |
2529 | break; | |
2530 | default: | |
2531 | break; | |
2532 | } | |
2533 | return NOTIFY_OK; | |
2534 | } | |
2535 | ||
2536 | /** | |
2537 | * bnx2fc_mod_init - module init entry point | |
2538 | * | |
2539 | * Initialize driver wide global data structures, and register | |
2540 | * with cnic module | |
2541 | **/ | |
2542 | static int __init bnx2fc_mod_init(void) | |
2543 | { | |
2544 | struct fcoe_percpu_s *bg; | |
2545 | struct task_struct *l2_thread; | |
2546 | int rc = 0; | |
2547 | unsigned int cpu = 0; | |
2548 | struct bnx2fc_percpu_s *p; | |
2549 | ||
2550 | printk(KERN_INFO PFX "%s", version); | |
2551 | ||
2552 | /* register as a fcoe transport */ | |
2553 | rc = fcoe_transport_attach(&bnx2fc_transport); | |
2554 | if (rc) { | |
2555 | printk(KERN_ERR "failed to register an fcoe transport, check " | |
2556 | "if libfcoe is loaded\n"); | |
2557 | goto out; | |
2558 | } | |
2559 | ||
2560 | INIT_LIST_HEAD(&adapter_list); | |
aea71a02 | 2561 | INIT_LIST_HEAD(&if_list); |
853e2bd2 BG |
2562 | mutex_init(&bnx2fc_dev_lock); |
2563 | adapter_count = 0; | |
2564 | ||
2565 | /* Attach FC transport template */ | |
2566 | rc = bnx2fc_attach_transport(); | |
2567 | if (rc) | |
2568 | goto detach_ft; | |
2569 | ||
2570 | bnx2fc_wq = alloc_workqueue("bnx2fc", 0, 0); | |
2571 | if (!bnx2fc_wq) { | |
2572 | rc = -ENOMEM; | |
2573 | goto release_bt; | |
2574 | } | |
2575 | ||
2576 | bg = &bnx2fc_global; | |
2577 | skb_queue_head_init(&bg->fcoe_rx_list); | |
2578 | l2_thread = kthread_create(bnx2fc_l2_rcv_thread, | |
2579 | (void *)bg, | |
2580 | "bnx2fc_l2_thread"); | |
2581 | if (IS_ERR(l2_thread)) { | |
2582 | rc = PTR_ERR(l2_thread); | |
2583 | goto free_wq; | |
2584 | } | |
2585 | wake_up_process(l2_thread); | |
2586 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
2587 | bg->thread = l2_thread; | |
2588 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
2589 | ||
2590 | for_each_possible_cpu(cpu) { | |
2591 | p = &per_cpu(bnx2fc_percpu, cpu); | |
2592 | INIT_LIST_HEAD(&p->work_list); | |
2593 | spin_lock_init(&p->fp_work_lock); | |
2594 | } | |
2595 | ||
7229b6d0 SB |
2596 | cpu_notifier_register_begin(); |
2597 | ||
853e2bd2 BG |
2598 | for_each_online_cpu(cpu) { |
2599 | bnx2fc_percpu_thread_create(cpu); | |
2600 | } | |
2601 | ||
2602 | /* Initialize per CPU interrupt thread */ | |
7229b6d0 SB |
2603 | __register_hotcpu_notifier(&bnx2fc_cpu_notifier); |
2604 | ||
2605 | cpu_notifier_register_done(); | |
853e2bd2 BG |
2606 | |
2607 | cnic_register_driver(CNIC_ULP_FCOE, &bnx2fc_cnic_cb); | |
2608 | ||
2609 | return 0; | |
2610 | ||
2611 | free_wq: | |
2612 | destroy_workqueue(bnx2fc_wq); | |
2613 | release_bt: | |
2614 | bnx2fc_release_transport(); | |
2615 | detach_ft: | |
2616 | fcoe_transport_detach(&bnx2fc_transport); | |
2617 | out: | |
2618 | return rc; | |
2619 | } | |
2620 | ||
2621 | static void __exit bnx2fc_mod_exit(void) | |
2622 | { | |
2623 | LIST_HEAD(to_be_deleted); | |
2624 | struct bnx2fc_hba *hba, *next; | |
2625 | struct fcoe_percpu_s *bg; | |
2626 | struct task_struct *l2_thread; | |
2627 | struct sk_buff *skb; | |
2628 | unsigned int cpu = 0; | |
2629 | ||
2630 | /* | |
2631 | * NOTE: Since cnic calls register_driver routine rtnl_lock, | |
2632 | * it will have higher precedence than bnx2fc_dev_lock. | |
2633 | * unregister_device() cannot be called with bnx2fc_dev_lock | |
2634 | * held. | |
2635 | */ | |
2636 | mutex_lock(&bnx2fc_dev_lock); | |
2637 | list_splice(&adapter_list, &to_be_deleted); | |
2638 | INIT_LIST_HEAD(&adapter_list); | |
2639 | adapter_count = 0; | |
2640 | mutex_unlock(&bnx2fc_dev_lock); | |
2641 | ||
2642 | /* Unregister with cnic */ | |
aea71a02 BPG |
2643 | list_for_each_entry_safe(hba, next, &to_be_deleted, list) { |
2644 | list_del_init(&hba->list); | |
2645 | printk(KERN_ERR PFX "MOD_EXIT:destroy hba = 0x%p\n", | |
2646 | hba); | |
853e2bd2 BG |
2647 | bnx2fc_ulp_stop(hba); |
2648 | /* unregister cnic device */ | |
2649 | if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, | |
2650 | &hba->reg_with_cnic)) | |
aea71a02 BPG |
2651 | hba->cnic->unregister_device(hba->cnic, |
2652 | CNIC_ULP_FCOE); | |
2653 | bnx2fc_hba_destroy(hba); | |
853e2bd2 BG |
2654 | } |
2655 | cnic_unregister_driver(CNIC_ULP_FCOE); | |
2656 | ||
2657 | /* Destroy global thread */ | |
2658 | bg = &bnx2fc_global; | |
2659 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
2660 | l2_thread = bg->thread; | |
2661 | bg->thread = NULL; | |
2662 | while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL) | |
2663 | kfree_skb(skb); | |
2664 | ||
2665 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
2666 | ||
2667 | if (l2_thread) | |
2668 | kthread_stop(l2_thread); | |
2669 | ||
7229b6d0 | 2670 | cpu_notifier_register_begin(); |
853e2bd2 BG |
2671 | |
2672 | /* Destroy per cpu threads */ | |
2673 | for_each_online_cpu(cpu) { | |
2674 | bnx2fc_percpu_thread_destroy(cpu); | |
2675 | } | |
2676 | ||
7229b6d0 SB |
2677 | __unregister_hotcpu_notifier(&bnx2fc_cpu_notifier); |
2678 | ||
2679 | cpu_notifier_register_done(); | |
2680 | ||
853e2bd2 BG |
2681 | destroy_workqueue(bnx2fc_wq); |
2682 | /* | |
2683 | * detach from scsi transport | |
2684 | * must happen after all destroys are done | |
2685 | */ | |
2686 | bnx2fc_release_transport(); | |
2687 | ||
2688 | /* detach from fcoe transport */ | |
2689 | fcoe_transport_detach(&bnx2fc_transport); | |
2690 | } | |
2691 | ||
2692 | module_init(bnx2fc_mod_init); | |
2693 | module_exit(bnx2fc_mod_exit); | |
2694 | ||
8d55e507 | 2695 | static struct fcoe_sysfs_function_template bnx2fc_fcoe_sysfs_templ = { |
6e89ea3f | 2696 | .set_fcoe_ctlr_enabled = bnx2fc_ctlr_enabled, |
b8b3e697 YZ |
2697 | .get_fcoe_ctlr_link_fail = fcoe_ctlr_get_lesb, |
2698 | .get_fcoe_ctlr_vlink_fail = fcoe_ctlr_get_lesb, | |
2699 | .get_fcoe_ctlr_miss_fka = fcoe_ctlr_get_lesb, | |
2700 | .get_fcoe_ctlr_symb_err = fcoe_ctlr_get_lesb, | |
2701 | .get_fcoe_ctlr_err_block = fcoe_ctlr_get_lesb, | |
2702 | .get_fcoe_ctlr_fcs_error = fcoe_ctlr_get_lesb, | |
8d55e507 RL |
2703 | |
2704 | .get_fcoe_fcf_selected = fcoe_fcf_get_selected, | |
2705 | .get_fcoe_fcf_vlan_id = bnx2fc_fcf_get_vlan_id, | |
2706 | }; | |
2707 | ||
853e2bd2 BG |
2708 | static struct fc_function_template bnx2fc_transport_function = { |
2709 | .show_host_node_name = 1, | |
2710 | .show_host_port_name = 1, | |
2711 | .show_host_supported_classes = 1, | |
2712 | .show_host_supported_fc4s = 1, | |
2713 | .show_host_active_fc4s = 1, | |
2714 | .show_host_maxframe_size = 1, | |
2715 | ||
2716 | .show_host_port_id = 1, | |
2717 | .show_host_supported_speeds = 1, | |
2718 | .get_host_speed = fc_get_host_speed, | |
2719 | .show_host_speed = 1, | |
2720 | .show_host_port_type = 1, | |
2721 | .get_host_port_state = fc_get_host_port_state, | |
2722 | .show_host_port_state = 1, | |
2723 | .show_host_symbolic_name = 1, | |
2724 | ||
2725 | .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) + | |
2726 | sizeof(struct bnx2fc_rport)), | |
2727 | .show_rport_maxframe_size = 1, | |
2728 | .show_rport_supported_classes = 1, | |
2729 | ||
2730 | .show_host_fabric_name = 1, | |
2731 | .show_starget_node_name = 1, | |
2732 | .show_starget_port_name = 1, | |
2733 | .show_starget_port_id = 1, | |
2734 | .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo, | |
2735 | .show_rport_dev_loss_tmo = 1, | |
2736 | .get_fc_host_stats = bnx2fc_get_host_stats, | |
2737 | ||
2738 | .issue_fc_host_lip = bnx2fc_fcoe_reset, | |
2739 | ||
2740 | .terminate_rport_io = fc_rport_terminate_io, | |
2741 | ||
2742 | .vport_create = bnx2fc_vport_create, | |
2743 | .vport_delete = bnx2fc_vport_destroy, | |
2744 | .vport_disable = bnx2fc_vport_disable, | |
e9a5289c | 2745 | .bsg_request = fc_lport_bsg_request, |
853e2bd2 BG |
2746 | }; |
2747 | ||
2748 | static struct fc_function_template bnx2fc_vport_xport_function = { | |
2749 | .show_host_node_name = 1, | |
2750 | .show_host_port_name = 1, | |
2751 | .show_host_supported_classes = 1, | |
2752 | .show_host_supported_fc4s = 1, | |
2753 | .show_host_active_fc4s = 1, | |
2754 | .show_host_maxframe_size = 1, | |
2755 | ||
2756 | .show_host_port_id = 1, | |
2757 | .show_host_supported_speeds = 1, | |
2758 | .get_host_speed = fc_get_host_speed, | |
2759 | .show_host_speed = 1, | |
2760 | .show_host_port_type = 1, | |
2761 | .get_host_port_state = fc_get_host_port_state, | |
2762 | .show_host_port_state = 1, | |
2763 | .show_host_symbolic_name = 1, | |
2764 | ||
2765 | .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) + | |
2766 | sizeof(struct bnx2fc_rport)), | |
2767 | .show_rport_maxframe_size = 1, | |
2768 | .show_rport_supported_classes = 1, | |
2769 | ||
2770 | .show_host_fabric_name = 1, | |
2771 | .show_starget_node_name = 1, | |
2772 | .show_starget_port_name = 1, | |
2773 | .show_starget_port_id = 1, | |
2774 | .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo, | |
2775 | .show_rport_dev_loss_tmo = 1, | |
2776 | .get_fc_host_stats = fc_get_host_stats, | |
2777 | .issue_fc_host_lip = bnx2fc_fcoe_reset, | |
2778 | .terminate_rport_io = fc_rport_terminate_io, | |
e9a5289c | 2779 | .bsg_request = fc_lport_bsg_request, |
853e2bd2 BG |
2780 | }; |
2781 | ||
2782 | /** | |
2783 | * scsi_host_template structure used while registering with SCSI-ml | |
2784 | */ | |
2785 | static struct scsi_host_template bnx2fc_shost_template = { | |
2786 | .module = THIS_MODULE, | |
17d87c45 | 2787 | .name = "QLogic Offload FCoE Initiator", |
853e2bd2 BG |
2788 | .queuecommand = bnx2fc_queuecommand, |
2789 | .eh_abort_handler = bnx2fc_eh_abort, /* abts */ | |
2790 | .eh_device_reset_handler = bnx2fc_eh_device_reset, /* lun reset */ | |
2791 | .eh_target_reset_handler = bnx2fc_eh_target_reset, /* tgt reset */ | |
2792 | .eh_host_reset_handler = fc_eh_host_reset, | |
2793 | .slave_alloc = fc_slave_alloc, | |
db5ed4df | 2794 | .change_queue_depth = scsi_change_queue_depth, |
853e2bd2 BG |
2795 | .this_id = -1, |
2796 | .cmd_per_lun = 3, | |
853e2bd2 BG |
2797 | .use_clustering = ENABLE_CLUSTERING, |
2798 | .sg_tablesize = BNX2FC_MAX_BDS_PER_CMD, | |
d450d778 | 2799 | .max_sectors = 1024, |
2ecb204d | 2800 | .use_blk_tags = 1, |
c40ecc12 | 2801 | .track_queue_depth = 1, |
853e2bd2 BG |
2802 | }; |
2803 | ||
2804 | static struct libfc_function_template bnx2fc_libfc_fcn_templ = { | |
2805 | .frame_send = bnx2fc_xmit, | |
2806 | .elsct_send = bnx2fc_elsct_send, | |
2807 | .fcp_abort_io = bnx2fc_abort_io, | |
2808 | .fcp_cleanup = bnx2fc_cleanup, | |
b8b3e697 | 2809 | .get_lesb = fcoe_get_lesb, |
853e2bd2 BG |
2810 | .rport_event_callback = bnx2fc_rport_event_handler, |
2811 | }; | |
2812 | ||
2813 | /** | |
2814 | * bnx2fc_cnic_cb - global template of bnx2fc - cnic driver interface | |
2815 | * structure carrying callback function pointers | |
2816 | */ | |
2817 | static struct cnic_ulp_ops bnx2fc_cnic_cb = { | |
2818 | .owner = THIS_MODULE, | |
2819 | .cnic_init = bnx2fc_ulp_init, | |
2820 | .cnic_exit = bnx2fc_ulp_exit, | |
2821 | .cnic_start = bnx2fc_ulp_start, | |
2822 | .cnic_stop = bnx2fc_ulp_stop, | |
2823 | .indicate_kcqes = bnx2fc_indicate_kcqe, | |
2824 | .indicate_netevent = bnx2fc_indicate_netevent, | |
2e499d3c | 2825 | .cnic_get_stats = bnx2fc_ulp_get_stats, |
853e2bd2 | 2826 | }; |