Commit | Line | Data |
---|---|---|
de909d87 | 1 | /* bnx2fc_fcoe.c: QLogic 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 | * | |
97586090 CD |
6 | * Copyright (c) 2008-2013 Broadcom Corporation |
7 | * Copyright (c) 2014-2015 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 | |
edb394b5 | 26 | #define DRV_MODULE_RELDATE "October 15, 2015" |
853e2bd2 BG |
27 | |
28 | ||
6f039790 | 29 | static char version[] = |
de909d87 | 30 | "QLogic 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>"); | |
de909d87 | 35 | MODULE_DESCRIPTION("QLogic 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); | |
d4faee08 JC |
100 | MODULE_PARM_DESC(debug_logging, |
101 | "Option to enable extended logging,\n" | |
102 | "\t\tDefault is 0 - no logging.\n" | |
103 | "\t\t0x01 - SCSI cmd error, cleanup.\n" | |
104 | "\t\t0x02 - Session setup, cleanup, etc.\n" | |
105 | "\t\t0x04 - lport events, link, mtu, etc.\n" | |
106 | "\t\t0x08 - ELS logs.\n" | |
107 | "\t\t0x10 - fcoe L2 fame related logs.\n" | |
108 | "\t\t0xff - LOG all messages."); | |
853e2bd2 BG |
109 | |
110 | static int bnx2fc_cpu_callback(struct notifier_block *nfb, | |
111 | unsigned long action, void *hcpu); | |
112 | /* notification function for CPU hotplug events */ | |
113 | static struct notifier_block bnx2fc_cpu_notifier = { | |
114 | .notifier_call = bnx2fc_cpu_callback, | |
115 | }; | |
116 | ||
f72f6979 BPG |
117 | static inline struct net_device *bnx2fc_netdev(const struct fc_lport *lport) |
118 | { | |
119 | return ((struct bnx2fc_interface *) | |
120 | ((struct fcoe_port *)lport_priv(lport))->priv)->netdev; | |
121 | } | |
122 | ||
8d55e507 RL |
123 | static void bnx2fc_fcf_get_vlan_id(struct fcoe_fcf_device *fcf_dev) |
124 | { | |
125 | struct fcoe_ctlr_device *ctlr_dev = | |
126 | fcoe_fcf_dev_to_ctlr_dev(fcf_dev); | |
127 | struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev); | |
128 | struct bnx2fc_interface *fcoe = fcoe_ctlr_priv(ctlr); | |
129 | ||
130 | fcf_dev->vlan_id = fcoe->vlan_id; | |
131 | } | |
132 | ||
853e2bd2 BG |
133 | static void bnx2fc_clean_rx_queue(struct fc_lport *lp) |
134 | { | |
135 | struct fcoe_percpu_s *bg; | |
136 | struct fcoe_rcv_info *fr; | |
137 | struct sk_buff_head *list; | |
138 | struct sk_buff *skb, *next; | |
139 | struct sk_buff *head; | |
140 | ||
141 | bg = &bnx2fc_global; | |
142 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
143 | list = &bg->fcoe_rx_list; | |
144 | head = list->next; | |
145 | for (skb = head; skb != (struct sk_buff *)list; | |
146 | skb = next) { | |
147 | next = skb->next; | |
148 | fr = fcoe_dev_from_skb(skb); | |
149 | if (fr->fr_dev == lp) { | |
150 | __skb_unlink(skb, list); | |
151 | kfree_skb(skb); | |
152 | } | |
153 | } | |
154 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
155 | } | |
156 | ||
157 | int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen) | |
158 | { | |
159 | int rc; | |
160 | spin_lock(&bnx2fc_global_lock); | |
161 | rc = fcoe_get_paged_crc_eof(skb, tlen, &bnx2fc_global); | |
162 | spin_unlock(&bnx2fc_global_lock); | |
163 | ||
164 | return rc; | |
165 | } | |
166 | ||
167 | static void bnx2fc_abort_io(struct fc_lport *lport) | |
168 | { | |
169 | /* | |
170 | * This function is no-op for bnx2fc, but we do | |
171 | * not want to leave it as NULL either, as libfc | |
172 | * can call the default function which is | |
173 | * fc_fcp_abort_io. | |
174 | */ | |
175 | } | |
176 | ||
177 | static void bnx2fc_cleanup(struct fc_lport *lport) | |
178 | { | |
179 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 BPG |
180 | struct bnx2fc_interface *interface = port->priv; |
181 | struct bnx2fc_hba *hba = interface->hba; | |
853e2bd2 BG |
182 | struct bnx2fc_rport *tgt; |
183 | int i; | |
184 | ||
185 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
186 | mutex_lock(&hba->hba_mutex); | |
187 | spin_lock_bh(&hba->hba_lock); | |
188 | for (i = 0; i < BNX2FC_NUM_MAX_SESS; i++) { | |
189 | tgt = hba->tgt_ofld_list[i]; | |
190 | if (tgt) { | |
191 | /* Cleanup IOs belonging to requested vport */ | |
192 | if (tgt->port == port) { | |
193 | spin_unlock_bh(&hba->hba_lock); | |
194 | BNX2FC_TGT_DBG(tgt, "flush/cleanup\n"); | |
195 | bnx2fc_flush_active_ios(tgt); | |
196 | spin_lock_bh(&hba->hba_lock); | |
197 | } | |
198 | } | |
199 | } | |
200 | spin_unlock_bh(&hba->hba_lock); | |
201 | mutex_unlock(&hba->hba_mutex); | |
202 | } | |
203 | ||
204 | static int bnx2fc_xmit_l2_frame(struct bnx2fc_rport *tgt, | |
205 | struct fc_frame *fp) | |
206 | { | |
207 | struct fc_rport_priv *rdata = tgt->rdata; | |
208 | struct fc_frame_header *fh; | |
209 | int rc = 0; | |
210 | ||
211 | fh = fc_frame_header_get(fp); | |
212 | BNX2FC_TGT_DBG(tgt, "Xmit L2 frame rport = 0x%x, oxid = 0x%x, " | |
213 | "r_ctl = 0x%x\n", rdata->ids.port_id, | |
214 | ntohs(fh->fh_ox_id), fh->fh_r_ctl); | |
215 | if ((fh->fh_type == FC_TYPE_ELS) && | |
216 | (fh->fh_r_ctl == FC_RCTL_ELS_REQ)) { | |
217 | ||
218 | switch (fc_frame_payload_op(fp)) { | |
219 | case ELS_ADISC: | |
220 | rc = bnx2fc_send_adisc(tgt, fp); | |
221 | break; | |
222 | case ELS_LOGO: | |
223 | rc = bnx2fc_send_logo(tgt, fp); | |
224 | break; | |
225 | case ELS_RLS: | |
226 | rc = bnx2fc_send_rls(tgt, fp); | |
227 | break; | |
228 | default: | |
229 | break; | |
230 | } | |
231 | } else if ((fh->fh_type == FC_TYPE_BLS) && | |
232 | (fh->fh_r_ctl == FC_RCTL_BA_ABTS)) | |
233 | BNX2FC_TGT_DBG(tgt, "ABTS frame\n"); | |
234 | else { | |
235 | BNX2FC_TGT_DBG(tgt, "Send L2 frame type 0x%x " | |
236 | "rctl 0x%x thru non-offload path\n", | |
237 | fh->fh_type, fh->fh_r_ctl); | |
238 | return -ENODEV; | |
239 | } | |
240 | if (rc) | |
241 | return -ENOMEM; | |
242 | else | |
243 | return 0; | |
244 | } | |
245 | ||
246 | /** | |
247 | * bnx2fc_xmit - bnx2fc's FCoE frame transmit function | |
248 | * | |
249 | * @lport: the associated local port | |
250 | * @fp: the fc_frame to be transmitted | |
251 | */ | |
252 | static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp) | |
253 | { | |
254 | struct ethhdr *eh; | |
255 | struct fcoe_crc_eof *cp; | |
256 | struct sk_buff *skb; | |
257 | struct fc_frame_header *fh; | |
aea71a02 | 258 | struct bnx2fc_interface *interface; |
fd8f8902 | 259 | struct fcoe_ctlr *ctlr; |
aea71a02 | 260 | struct bnx2fc_hba *hba; |
853e2bd2 BG |
261 | struct fcoe_port *port; |
262 | struct fcoe_hdr *hp; | |
263 | struct bnx2fc_rport *tgt; | |
1bd49b48 | 264 | struct fc_stats *stats; |
853e2bd2 BG |
265 | u8 sof, eof; |
266 | u32 crc; | |
267 | unsigned int hlen, tlen, elen; | |
268 | int wlen, rc = 0; | |
269 | ||
270 | port = (struct fcoe_port *)lport_priv(lport); | |
aea71a02 | 271 | interface = port->priv; |
fd8f8902 | 272 | ctlr = bnx2fc_to_ctlr(interface); |
aea71a02 | 273 | hba = interface->hba; |
853e2bd2 BG |
274 | |
275 | fh = fc_frame_header_get(fp); | |
276 | ||
277 | skb = fp_skb(fp); | |
278 | if (!lport->link_up) { | |
279 | BNX2FC_HBA_DBG(lport, "bnx2fc_xmit link down\n"); | |
280 | kfree_skb(skb); | |
281 | return 0; | |
282 | } | |
283 | ||
284 | if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ)) { | |
fd8f8902 | 285 | if (!ctlr->sel_fcf) { |
853e2bd2 BG |
286 | BNX2FC_HBA_DBG(lport, "FCF not selected yet!\n"); |
287 | kfree_skb(skb); | |
288 | return -EINVAL; | |
289 | } | |
fd8f8902 | 290 | if (fcoe_ctlr_els_send(ctlr, lport, skb)) |
853e2bd2 BG |
291 | return 0; |
292 | } | |
293 | ||
294 | sof = fr_sof(fp); | |
295 | eof = fr_eof(fp); | |
296 | ||
297 | /* | |
298 | * Snoop the frame header to check if the frame is for | |
299 | * an offloaded session | |
300 | */ | |
301 | /* | |
302 | * tgt_ofld_list access is synchronized using | |
303 | * both hba mutex and hba lock. Atleast hba mutex or | |
304 | * hba lock needs to be held for read access. | |
305 | */ | |
306 | ||
307 | spin_lock_bh(&hba->hba_lock); | |
308 | tgt = bnx2fc_tgt_lookup(port, ntoh24(fh->fh_d_id)); | |
309 | if (tgt && (test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags))) { | |
310 | /* This frame is for offloaded session */ | |
311 | BNX2FC_HBA_DBG(lport, "xmit: Frame is for offloaded session " | |
312 | "port_id = 0x%x\n", ntoh24(fh->fh_d_id)); | |
313 | spin_unlock_bh(&hba->hba_lock); | |
314 | rc = bnx2fc_xmit_l2_frame(tgt, fp); | |
315 | if (rc != -ENODEV) { | |
316 | kfree_skb(skb); | |
317 | return rc; | |
318 | } | |
319 | } else { | |
320 | spin_unlock_bh(&hba->hba_lock); | |
321 | } | |
322 | ||
323 | elen = sizeof(struct ethhdr); | |
324 | hlen = sizeof(struct fcoe_hdr); | |
325 | tlen = sizeof(struct fcoe_crc_eof); | |
326 | wlen = (skb->len - tlen + sizeof(crc)) / FCOE_WORD_TO_BYTE; | |
327 | ||
328 | skb->ip_summed = CHECKSUM_NONE; | |
329 | crc = fcoe_fc_crc(fp); | |
330 | ||
331 | /* copy port crc and eof to the skb buff */ | |
332 | if (skb_is_nonlinear(skb)) { | |
333 | skb_frag_t *frag; | |
334 | if (bnx2fc_get_paged_crc_eof(skb, tlen)) { | |
335 | kfree_skb(skb); | |
336 | return -ENOMEM; | |
337 | } | |
338 | frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1]; | |
77dfce07 | 339 | cp = kmap_atomic(skb_frag_page(frag)) + frag->page_offset; |
853e2bd2 BG |
340 | } else { |
341 | cp = (struct fcoe_crc_eof *)skb_put(skb, tlen); | |
342 | } | |
343 | ||
344 | memset(cp, 0, sizeof(*cp)); | |
345 | cp->fcoe_eof = eof; | |
346 | cp->fcoe_crc32 = cpu_to_le32(~crc); | |
347 | if (skb_is_nonlinear(skb)) { | |
77dfce07 | 348 | kunmap_atomic(cp); |
853e2bd2 BG |
349 | cp = NULL; |
350 | } | |
351 | ||
352 | /* adjust skb network/transport offsets to match mac/fcoe/port */ | |
353 | skb_push(skb, elen + hlen); | |
354 | skb_reset_mac_header(skb); | |
355 | skb_reset_network_header(skb); | |
356 | skb->mac_len = elen; | |
357 | skb->protocol = htons(ETH_P_FCOE); | |
aea71a02 | 358 | skb->dev = interface->netdev; |
853e2bd2 BG |
359 | |
360 | /* fill up mac and fcoe headers */ | |
361 | eh = eth_hdr(skb); | |
362 | eh->h_proto = htons(ETH_P_FCOE); | |
fd8f8902 | 363 | if (ctlr->map_dest) |
853e2bd2 BG |
364 | fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id); |
365 | else | |
366 | /* insert GW address */ | |
fd8f8902 | 367 | memcpy(eh->h_dest, ctlr->dest_addr, ETH_ALEN); |
853e2bd2 | 368 | |
fd8f8902 RL |
369 | if (unlikely(ctlr->flogi_oxid != FC_XID_UNKNOWN)) |
370 | memcpy(eh->h_source, ctlr->ctl_src_addr, ETH_ALEN); | |
853e2bd2 BG |
371 | else |
372 | memcpy(eh->h_source, port->data_src_addr, ETH_ALEN); | |
373 | ||
374 | hp = (struct fcoe_hdr *)(eh + 1); | |
375 | memset(hp, 0, sizeof(*hp)); | |
376 | if (FC_FCOE_VER) | |
377 | FC_FCOE_ENCAPS_VER(hp, FC_FCOE_VER); | |
378 | hp->fcoe_sof = sof; | |
379 | ||
380 | /* fcoe lso, mss is in max_payload which is non-zero for FCP data */ | |
381 | if (lport->seq_offload && fr_max_payload(fp)) { | |
382 | skb_shinfo(skb)->gso_type = SKB_GSO_FCOE; | |
383 | skb_shinfo(skb)->gso_size = fr_max_payload(fp); | |
384 | } else { | |
385 | skb_shinfo(skb)->gso_type = 0; | |
386 | skb_shinfo(skb)->gso_size = 0; | |
387 | } | |
388 | ||
389 | /*update tx stats */ | |
1bd49b48 | 390 | stats = per_cpu_ptr(lport->stats, get_cpu()); |
853e2bd2 BG |
391 | stats->TxFrames++; |
392 | stats->TxWords += wlen; | |
393 | put_cpu(); | |
394 | ||
395 | /* send down to lld */ | |
396 | fr_dev(fp) = lport; | |
397 | if (port->fcoe_pending_queue.qlen) | |
398 | fcoe_check_wait_queue(lport, skb); | |
399 | else if (fcoe_start_io(skb)) | |
400 | fcoe_check_wait_queue(lport, skb); | |
401 | ||
402 | return 0; | |
403 | } | |
404 | ||
405 | /** | |
406 | * bnx2fc_rcv - This is bnx2fc's receive function called by NET_RX_SOFTIRQ | |
407 | * | |
408 | * @skb: the receive socket buffer | |
409 | * @dev: associated net device | |
410 | * @ptype: context | |
411 | * @olddev: last device | |
412 | * | |
413 | * This function receives the packet and builds FC frame and passes it up | |
414 | */ | |
415 | static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev, | |
416 | struct packet_type *ptype, struct net_device *olddev) | |
417 | { | |
418 | struct fc_lport *lport; | |
aea71a02 | 419 | struct bnx2fc_interface *interface; |
fd8f8902 | 420 | struct fcoe_ctlr *ctlr; |
853e2bd2 BG |
421 | struct fc_frame_header *fh; |
422 | struct fcoe_rcv_info *fr; | |
423 | struct fcoe_percpu_s *bg; | |
01a4cc4d | 424 | struct sk_buff *tmp_skb; |
853e2bd2 BG |
425 | unsigned short oxid; |
426 | ||
aea71a02 BPG |
427 | interface = container_of(ptype, struct bnx2fc_interface, |
428 | fcoe_packet_type); | |
fd8f8902 RL |
429 | ctlr = bnx2fc_to_ctlr(interface); |
430 | lport = ctlr->lp; | |
853e2bd2 BG |
431 | |
432 | if (unlikely(lport == NULL)) { | |
b2a554ff | 433 | printk(KERN_ERR PFX "bnx2fc_rcv: lport is NULL\n"); |
853e2bd2 BG |
434 | goto err; |
435 | } | |
436 | ||
01a4cc4d ML |
437 | tmp_skb = skb_share_check(skb, GFP_ATOMIC); |
438 | if (!tmp_skb) | |
439 | goto err; | |
440 | ||
441 | skb = tmp_skb; | |
442 | ||
853e2bd2 | 443 | if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) { |
b2a554ff | 444 | printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n"); |
853e2bd2 BG |
445 | goto err; |
446 | } | |
447 | ||
448 | /* | |
449 | * Check for minimum frame length, and make sure required FCoE | |
450 | * and FC headers are pulled into the linear data area. | |
451 | */ | |
452 | if (unlikely((skb->len < FCOE_MIN_FRAME) || | |
453 | !pskb_may_pull(skb, FCOE_HEADER_LEN))) | |
454 | goto err; | |
455 | ||
456 | skb_set_transport_header(skb, sizeof(struct fcoe_hdr)); | |
457 | fh = (struct fc_frame_header *) skb_transport_header(skb); | |
458 | ||
459 | oxid = ntohs(fh->fh_ox_id); | |
460 | ||
461 | fr = fcoe_dev_from_skb(skb); | |
462 | fr->fr_dev = lport; | |
853e2bd2 BG |
463 | |
464 | bg = &bnx2fc_global; | |
fc05ab74 | 465 | spin_lock(&bg->fcoe_rx_list.lock); |
853e2bd2 BG |
466 | |
467 | __skb_queue_tail(&bg->fcoe_rx_list, skb); | |
468 | if (bg->fcoe_rx_list.qlen == 1) | |
469 | wake_up_process(bg->thread); | |
470 | ||
fc05ab74 | 471 | spin_unlock(&bg->fcoe_rx_list.lock); |
853e2bd2 BG |
472 | |
473 | return 0; | |
474 | err: | |
475 | kfree_skb(skb); | |
476 | return -1; | |
477 | } | |
478 | ||
479 | static int bnx2fc_l2_rcv_thread(void *arg) | |
480 | { | |
481 | struct fcoe_percpu_s *bg = arg; | |
482 | struct sk_buff *skb; | |
483 | ||
8698a745 | 484 | set_user_nice(current, MIN_NICE); |
853e2bd2 BG |
485 | set_current_state(TASK_INTERRUPTIBLE); |
486 | while (!kthread_should_stop()) { | |
487 | schedule(); | |
853e2bd2 BG |
488 | spin_lock_bh(&bg->fcoe_rx_list.lock); |
489 | while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL) { | |
490 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
491 | bnx2fc_recv_frame(skb); | |
492 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
493 | } | |
fee78712 | 494 | __set_current_state(TASK_INTERRUPTIBLE); |
853e2bd2 | 495 | spin_unlock_bh(&bg->fcoe_rx_list.lock); |
853e2bd2 | 496 | } |
fee78712 | 497 | __set_current_state(TASK_RUNNING); |
853e2bd2 BG |
498 | return 0; |
499 | } | |
500 | ||
501 | ||
502 | static void bnx2fc_recv_frame(struct sk_buff *skb) | |
503 | { | |
504 | u32 fr_len; | |
505 | struct fc_lport *lport; | |
506 | struct fcoe_rcv_info *fr; | |
1bd49b48 | 507 | struct fc_stats *stats; |
853e2bd2 BG |
508 | struct fc_frame_header *fh; |
509 | struct fcoe_crc_eof crc_eof; | |
510 | struct fc_frame *fp; | |
511 | struct fc_lport *vn_port; | |
512 | struct fcoe_port *port; | |
513 | u8 *mac = NULL; | |
514 | u8 *dest_mac = NULL; | |
515 | struct fcoe_hdr *hp; | |
516 | ||
517 | fr = fcoe_dev_from_skb(skb); | |
518 | lport = fr->fr_dev; | |
519 | if (unlikely(lport == NULL)) { | |
b2a554ff | 520 | printk(KERN_ERR PFX "Invalid lport struct\n"); |
853e2bd2 BG |
521 | kfree_skb(skb); |
522 | return; | |
523 | } | |
524 | ||
525 | if (skb_is_nonlinear(skb)) | |
526 | skb_linearize(skb); | |
527 | mac = eth_hdr(skb)->h_source; | |
528 | dest_mac = eth_hdr(skb)->h_dest; | |
529 | ||
530 | /* Pull the header */ | |
531 | hp = (struct fcoe_hdr *) skb_network_header(skb); | |
532 | fh = (struct fc_frame_header *) skb_transport_header(skb); | |
533 | skb_pull(skb, sizeof(struct fcoe_hdr)); | |
534 | fr_len = skb->len - sizeof(struct fcoe_crc_eof); | |
535 | ||
853e2bd2 BG |
536 | fp = (struct fc_frame *)skb; |
537 | fc_frame_init(fp); | |
538 | fr_dev(fp) = lport; | |
539 | fr_sof(fp) = hp->fcoe_sof; | |
540 | if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) { | |
853e2bd2 BG |
541 | kfree_skb(skb); |
542 | return; | |
543 | } | |
544 | fr_eof(fp) = crc_eof.fcoe_eof; | |
545 | fr_crc(fp) = crc_eof.fcoe_crc32; | |
546 | if (pskb_trim(skb, fr_len)) { | |
853e2bd2 BG |
547 | kfree_skb(skb); |
548 | return; | |
549 | } | |
550 | ||
551 | fh = fc_frame_header_get(fp); | |
552 | ||
553 | vn_port = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id)); | |
554 | if (vn_port) { | |
555 | port = lport_priv(vn_port); | |
6942df7f | 556 | if (!ether_addr_equal(port->data_src_addr, dest_mac)) { |
853e2bd2 | 557 | BNX2FC_HBA_DBG(lport, "fpma mismatch\n"); |
853e2bd2 BG |
558 | kfree_skb(skb); |
559 | return; | |
560 | } | |
561 | } | |
562 | if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA && | |
563 | fh->fh_type == FC_TYPE_FCP) { | |
564 | /* Drop FCP data. We dont this in L2 path */ | |
853e2bd2 BG |
565 | kfree_skb(skb); |
566 | return; | |
567 | } | |
568 | if (fh->fh_r_ctl == FC_RCTL_ELS_REQ && | |
569 | fh->fh_type == FC_TYPE_ELS) { | |
570 | switch (fc_frame_payload_op(fp)) { | |
571 | case ELS_LOGO: | |
572 | if (ntoh24(fh->fh_s_id) == FC_FID_FLOGI) { | |
573 | /* drop non-FIP LOGO */ | |
853e2bd2 BG |
574 | kfree_skb(skb); |
575 | return; | |
576 | } | |
577 | break; | |
578 | } | |
579 | } | |
3f8744d1 BPG |
580 | |
581 | if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) { | |
582 | /* Drop incoming ABTS */ | |
3f8744d1 BPG |
583 | kfree_skb(skb); |
584 | return; | |
585 | } | |
586 | ||
d576a5e8 NH |
587 | stats = per_cpu_ptr(lport->stats, smp_processor_id()); |
588 | stats->RxFrames++; | |
589 | stats->RxWords += fr_len / FCOE_WORD_TO_BYTE; | |
590 | ||
853e2bd2 BG |
591 | if (le32_to_cpu(fr_crc(fp)) != |
592 | ~crc32(~0, skb->data, fr_len)) { | |
593 | if (stats->InvalidCRCCount < 5) | |
594 | printk(KERN_WARNING PFX "dropping frame with " | |
595 | "CRC error\n"); | |
596 | stats->InvalidCRCCount++; | |
853e2bd2 BG |
597 | kfree_skb(skb); |
598 | return; | |
599 | } | |
853e2bd2 BG |
600 | fc_exch_recv(lport, fp); |
601 | } | |
602 | ||
603 | /** | |
604 | * bnx2fc_percpu_io_thread - thread per cpu for ios | |
605 | * | |
606 | * @arg: ptr to bnx2fc_percpu_info structure | |
607 | */ | |
608 | int bnx2fc_percpu_io_thread(void *arg) | |
609 | { | |
610 | struct bnx2fc_percpu_s *p = arg; | |
611 | struct bnx2fc_work *work, *tmp; | |
612 | LIST_HEAD(work_list); | |
613 | ||
8698a745 | 614 | set_user_nice(current, MIN_NICE); |
853e2bd2 BG |
615 | set_current_state(TASK_INTERRUPTIBLE); |
616 | while (!kthread_should_stop()) { | |
617 | schedule(); | |
853e2bd2 BG |
618 | spin_lock_bh(&p->fp_work_lock); |
619 | while (!list_empty(&p->work_list)) { | |
620 | list_splice_init(&p->work_list, &work_list); | |
621 | spin_unlock_bh(&p->fp_work_lock); | |
622 | ||
623 | list_for_each_entry_safe(work, tmp, &work_list, list) { | |
624 | list_del_init(&work->list); | |
625 | bnx2fc_process_cq_compl(work->tgt, work->wqe); | |
626 | kfree(work); | |
627 | } | |
628 | ||
629 | spin_lock_bh(&p->fp_work_lock); | |
630 | } | |
fee78712 | 631 | __set_current_state(TASK_INTERRUPTIBLE); |
853e2bd2 | 632 | spin_unlock_bh(&p->fp_work_lock); |
853e2bd2 | 633 | } |
fee78712 | 634 | __set_current_state(TASK_RUNNING); |
853e2bd2 BG |
635 | |
636 | return 0; | |
637 | } | |
638 | ||
639 | static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost) | |
640 | { | |
641 | struct fc_host_statistics *bnx2fc_stats; | |
642 | struct fc_lport *lport = shost_priv(shost); | |
643 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 BPG |
644 | struct bnx2fc_interface *interface = port->priv; |
645 | struct bnx2fc_hba *hba = interface->hba; | |
853e2bd2 BG |
646 | struct fcoe_statistics_params *fw_stats; |
647 | int rc = 0; | |
648 | ||
649 | fw_stats = (struct fcoe_statistics_params *)hba->stats_buffer; | |
650 | if (!fw_stats) | |
651 | return NULL; | |
652 | ||
653 | bnx2fc_stats = fc_get_host_stats(shost); | |
654 | ||
655 | init_completion(&hba->stat_req_done); | |
656 | if (bnx2fc_send_stat_req(hba)) | |
657 | return bnx2fc_stats; | |
658 | rc = wait_for_completion_timeout(&hba->stat_req_done, (2 * HZ)); | |
659 | if (!rc) { | |
660 | BNX2FC_HBA_DBG(lport, "FW stat req timed out\n"); | |
661 | return bnx2fc_stats; | |
662 | } | |
f246fe2a BPG |
663 | BNX2FC_STATS(hba, rx_stat2, fc_crc_cnt); |
664 | bnx2fc_stats->invalid_crc_count += hba->bfw_stats.fc_crc_cnt; | |
665 | BNX2FC_STATS(hba, tx_stat, fcoe_tx_pkt_cnt); | |
666 | bnx2fc_stats->tx_frames += hba->bfw_stats.fcoe_tx_pkt_cnt; | |
667 | BNX2FC_STATS(hba, tx_stat, fcoe_tx_byte_cnt); | |
668 | bnx2fc_stats->tx_words += ((hba->bfw_stats.fcoe_tx_byte_cnt) / 4); | |
669 | BNX2FC_STATS(hba, rx_stat0, fcoe_rx_pkt_cnt); | |
670 | bnx2fc_stats->rx_frames += hba->bfw_stats.fcoe_rx_pkt_cnt; | |
671 | BNX2FC_STATS(hba, rx_stat0, fcoe_rx_byte_cnt); | |
672 | bnx2fc_stats->rx_words += ((hba->bfw_stats.fcoe_rx_byte_cnt) / 4); | |
853e2bd2 BG |
673 | |
674 | bnx2fc_stats->dumped_frames = 0; | |
675 | bnx2fc_stats->lip_count = 0; | |
676 | bnx2fc_stats->nos_count = 0; | |
677 | bnx2fc_stats->loss_of_sync_count = 0; | |
678 | bnx2fc_stats->loss_of_signal_count = 0; | |
679 | bnx2fc_stats->prim_seq_protocol_err_count = 0; | |
680 | ||
f246fe2a BPG |
681 | memcpy(&hba->prev_stats, hba->stats_buffer, |
682 | sizeof(struct fcoe_statistics_params)); | |
853e2bd2 BG |
683 | return bnx2fc_stats; |
684 | } | |
685 | ||
686 | static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev) | |
687 | { | |
688 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 | 689 | struct bnx2fc_interface *interface = port->priv; |
c13d2b6d | 690 | struct bnx2fc_hba *hba = interface->hba; |
853e2bd2 BG |
691 | struct Scsi_Host *shost = lport->host; |
692 | int rc = 0; | |
693 | ||
694 | shost->max_cmd_len = BNX2FC_MAX_CMD_LEN; | |
695 | shost->max_lun = BNX2FC_MAX_LUN; | |
696 | shost->max_id = BNX2FC_MAX_FCP_TGT; | |
697 | shost->max_channel = 0; | |
698 | if (lport->vport) | |
699 | shost->transportt = bnx2fc_vport_xport_template; | |
700 | else | |
701 | shost->transportt = bnx2fc_transport_template; | |
702 | ||
703 | /* Add the new host to SCSI-ml */ | |
704 | rc = scsi_add_host(lport->host, dev); | |
705 | if (rc) { | |
706 | printk(KERN_ERR PFX "Error on scsi_add_host\n"); | |
707 | return rc; | |
708 | } | |
709 | if (!lport->vport) | |
710 | fc_host_max_npiv_vports(lport->host) = USHRT_MAX; | |
c13d2b6d | 711 | snprintf(fc_host_symbolic_name(lport->host), 256, |
17d87c45 | 712 | "%s (QLogic %s) v%s over %s", |
c13d2b6d | 713 | BNX2FC_NAME, hba->chip_num, BNX2FC_VERSION, |
aea71a02 | 714 | interface->netdev->name); |
853e2bd2 BG |
715 | |
716 | return 0; | |
717 | } | |
718 | ||
853e2bd2 BG |
719 | static int bnx2fc_link_ok(struct fc_lport *lport) |
720 | { | |
721 | struct fcoe_port *port = lport_priv(lport); | |
aea71a02 BPG |
722 | struct bnx2fc_interface *interface = port->priv; |
723 | struct bnx2fc_hba *hba = interface->hba; | |
853e2bd2 BG |
724 | struct net_device *dev = hba->phys_dev; |
725 | int rc = 0; | |
726 | ||
727 | if ((dev->flags & IFF_UP) && netif_carrier_ok(dev)) | |
728 | clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); | |
729 | else { | |
730 | set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); | |
731 | rc = -1; | |
732 | } | |
733 | return rc; | |
734 | } | |
735 | ||
736 | /** | |
737 | * bnx2fc_get_link_state - get network link state | |
738 | * | |
739 | * @hba: adapter instance pointer | |
740 | * | |
741 | * updates adapter structure flag based on netdev state | |
742 | */ | |
743 | void bnx2fc_get_link_state(struct bnx2fc_hba *hba) | |
744 | { | |
aea71a02 | 745 | if (test_bit(__LINK_STATE_NOCARRIER, &hba->phys_dev->state)) |
853e2bd2 BG |
746 | set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); |
747 | else | |
748 | clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); | |
749 | } | |
750 | ||
52439607 | 751 | static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev) |
853e2bd2 BG |
752 | { |
753 | struct bnx2fc_hba *hba; | |
aea71a02 | 754 | struct bnx2fc_interface *interface; |
fd8f8902 | 755 | struct fcoe_ctlr *ctlr; |
853e2bd2 BG |
756 | struct fcoe_port *port; |
757 | u64 wwnn, wwpn; | |
758 | ||
759 | port = lport_priv(lport); | |
aea71a02 | 760 | interface = port->priv; |
fd8f8902 | 761 | ctlr = bnx2fc_to_ctlr(interface); |
aea71a02 | 762 | hba = interface->hba; |
853e2bd2 BG |
763 | |
764 | /* require support for get_pauseparam ethtool op. */ | |
765 | if (!hba->phys_dev->ethtool_ops || | |
766 | !hba->phys_dev->ethtool_ops->get_pauseparam) | |
767 | return -EOPNOTSUPP; | |
768 | ||
1294bfe6 | 769 | if (fc_set_mfs(lport, BNX2FC_MFS)) |
853e2bd2 BG |
770 | return -EINVAL; |
771 | ||
772 | skb_queue_head_init(&port->fcoe_pending_queue); | |
773 | port->fcoe_pending_queue_active = 0; | |
774 | setup_timer(&port->timer, fcoe_queue_timer, (unsigned long) lport); | |
775 | ||
0e0f9cd6 | 776 | fcoe_link_speed_update(lport); |
853e2bd2 BG |
777 | |
778 | if (!lport->vport) { | |
52439607 | 779 | if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN)) |
fd8f8902 | 780 | wwnn = fcoe_wwn_from_mac(ctlr->ctl_src_addr, |
52439607 | 781 | 1, 0); |
853e2bd2 BG |
782 | BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn); |
783 | fc_set_wwnn(lport, wwnn); | |
784 | ||
52439607 | 785 | if (fcoe_get_wwn(netdev, &wwpn, NETDEV_FCOE_WWPN)) |
fd8f8902 | 786 | wwpn = fcoe_wwn_from_mac(ctlr->ctl_src_addr, |
52439607 BPG |
787 | 2, 0); |
788 | ||
853e2bd2 BG |
789 | BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn); |
790 | fc_set_wwpn(lport, wwpn); | |
791 | } | |
792 | ||
793 | return 0; | |
794 | } | |
795 | ||
796 | static void bnx2fc_destroy_timer(unsigned long data) | |
797 | { | |
798 | struct bnx2fc_hba *hba = (struct bnx2fc_hba *)data; | |
799 | ||
cd703ae7 BPG |
800 | printk(KERN_ERR PFX "ERROR:bnx2fc_destroy_timer - " |
801 | "Destroy compl not received!!\n"); | |
aea71a02 | 802 | set_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags); |
853e2bd2 BG |
803 | wake_up_interruptible(&hba->destroy_wait); |
804 | } | |
805 | ||
806 | /** | |
807 | * bnx2fc_indicate_netevent - Generic netdev event handler | |
808 | * | |
809 | * @context: adapter structure pointer | |
810 | * @event: event type | |
415199f2 | 811 | * @vlan_id: vlan id - associated vlan id with this event |
853e2bd2 BG |
812 | * |
813 | * Handles NETDEV_UP, NETDEV_DOWN, NETDEV_GOING_DOWN,NETDEV_CHANGE and | |
abc49a93 | 814 | * NETDEV_CHANGE_MTU events. Handle NETDEV_UNREGISTER only for vlans. |
853e2bd2 | 815 | */ |
415199f2 MC |
816 | static void bnx2fc_indicate_netevent(void *context, unsigned long event, |
817 | u16 vlan_id) | |
853e2bd2 BG |
818 | { |
819 | struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context; | |
6e89ea3f | 820 | struct fcoe_ctlr_device *cdev; |
aea71a02 | 821 | struct fc_lport *lport; |
853e2bd2 | 822 | struct fc_lport *vport; |
abc49a93 | 823 | struct bnx2fc_interface *interface, *tmp; |
fd8f8902 | 824 | struct fcoe_ctlr *ctlr; |
aea71a02 | 825 | int wait_for_upload = 0; |
853e2bd2 BG |
826 | u32 link_possible = 1; |
827 | ||
abc49a93 | 828 | if (vlan_id != 0 && event != NETDEV_UNREGISTER) |
415199f2 MC |
829 | return; |
830 | ||
853e2bd2 BG |
831 | switch (event) { |
832 | case NETDEV_UP: | |
853e2bd2 BG |
833 | if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state)) |
834 | printk(KERN_ERR "indicate_netevent: "\ | |
aea71a02 | 835 | "hba is not UP!!\n"); |
853e2bd2 BG |
836 | break; |
837 | ||
838 | case NETDEV_DOWN: | |
853e2bd2 BG |
839 | clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state); |
840 | clear_bit(ADAPTER_STATE_UP, &hba->adapter_state); | |
841 | link_possible = 0; | |
842 | break; | |
843 | ||
844 | case NETDEV_GOING_DOWN: | |
853e2bd2 BG |
845 | set_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state); |
846 | link_possible = 0; | |
847 | break; | |
848 | ||
849 | case NETDEV_CHANGE: | |
853e2bd2 BG |
850 | break; |
851 | ||
abc49a93 BPG |
852 | case NETDEV_UNREGISTER: |
853 | if (!vlan_id) | |
854 | return; | |
855 | mutex_lock(&bnx2fc_dev_lock); | |
856 | list_for_each_entry_safe(interface, tmp, &if_list, list) { | |
26b2982f NNS |
857 | if (interface->hba == hba && |
858 | interface->vlan_id == (vlan_id & VLAN_VID_MASK)) | |
859 | __bnx2fc_destroy(interface); | |
abc49a93 BPG |
860 | } |
861 | mutex_unlock(&bnx2fc_dev_lock); | |
06c4f20d EW |
862 | |
863 | /* Ensure ALL destroy work has been completed before return */ | |
864 | flush_workqueue(bnx2fc_wq); | |
abc49a93 BPG |
865 | return; |
866 | ||
853e2bd2 | 867 | default: |
853e2bd2 BG |
868 | return; |
869 | } | |
870 | ||
aea71a02 BPG |
871 | mutex_lock(&bnx2fc_dev_lock); |
872 | list_for_each_entry(interface, &if_list, list) { | |
853e2bd2 | 873 | |
aea71a02 BPG |
874 | if (interface->hba != hba) |
875 | continue; | |
876 | ||
fd8f8902 RL |
877 | ctlr = bnx2fc_to_ctlr(interface); |
878 | lport = ctlr->lp; | |
aea71a02 BPG |
879 | BNX2FC_HBA_DBG(lport, "netevent handler - event=%s %ld\n", |
880 | interface->netdev->name, event); | |
881 | ||
0e0f9cd6 | 882 | fcoe_link_speed_update(lport); |
aea71a02 | 883 | |
6e89ea3f | 884 | cdev = fcoe_ctlr_to_ctlr_dev(ctlr); |
aea71a02 BPG |
885 | |
886 | if (link_possible && !bnx2fc_link_ok(lport)) { | |
6e89ea3f RL |
887 | switch (cdev->enabled) { |
888 | case FCOE_CTLR_DISABLED: | |
889 | pr_info("Link up while interface is disabled.\n"); | |
890 | break; | |
891 | case FCOE_CTLR_ENABLED: | |
892 | case FCOE_CTLR_UNUSED: | |
893 | /* Reset max recv frame size to default */ | |
894 | fc_set_mfs(lport, BNX2FC_MFS); | |
895 | /* | |
896 | * ctlr link up will only be handled during | |
897 | * enable to avoid sending discovery | |
898 | * solicitation on a stale vlan | |
899 | */ | |
900 | if (interface->enabled) | |
901 | fcoe_ctlr_link_up(ctlr); | |
902 | }; | |
fd8f8902 | 903 | } else if (fcoe_ctlr_link_down(ctlr)) { |
6e89ea3f RL |
904 | switch (cdev->enabled) { |
905 | case FCOE_CTLR_DISABLED: | |
906 | pr_info("Link down while interface is disabled.\n"); | |
907 | break; | |
908 | case FCOE_CTLR_ENABLED: | |
909 | case FCOE_CTLR_UNUSED: | |
910 | mutex_lock(&lport->lp_mutex); | |
911 | list_for_each_entry(vport, &lport->vports, list) | |
912 | fc_host_port_type(vport->host) = | |
913 | FC_PORTTYPE_UNKNOWN; | |
914 | mutex_unlock(&lport->lp_mutex); | |
915 | fc_host_port_type(lport->host) = | |
916 | FC_PORTTYPE_UNKNOWN; | |
917 | per_cpu_ptr(lport->stats, | |
918 | get_cpu())->LinkFailureCount++; | |
919 | put_cpu(); | |
920 | fcoe_clean_pending_queue(lport); | |
921 | wait_for_upload = 1; | |
922 | }; | |
aea71a02 BPG |
923 | } |
924 | } | |
925 | mutex_unlock(&bnx2fc_dev_lock); | |
853e2bd2 | 926 | |
aea71a02 BPG |
927 | if (wait_for_upload) { |
928 | clear_bit(ADAPTER_STATE_READY, &hba->adapter_state); | |
929 | init_waitqueue_head(&hba->shutdown_wait); | |
930 | BNX2FC_MISC_DBG("indicate_netevent " | |
931 | "num_ofld_sess = %d\n", | |
932 | hba->num_ofld_sess); | |
933 | hba->wait_for_link_down = 1; | |
934 | wait_event_interruptible(hba->shutdown_wait, | |
935 | (hba->num_ofld_sess == 0)); | |
936 | BNX2FC_MISC_DBG("wakeup - num_ofld_sess = %d\n", | |
853e2bd2 | 937 | hba->num_ofld_sess); |
aea71a02 | 938 | hba->wait_for_link_down = 0; |
853e2bd2 | 939 | |
aea71a02 BPG |
940 | if (signal_pending(current)) |
941 | flush_signals(current); | |
853e2bd2 BG |
942 | } |
943 | } | |
944 | ||
945 | static int bnx2fc_libfc_config(struct fc_lport *lport) | |
946 | { | |
947 | ||
948 | /* Set the function pointers set by bnx2fc driver */ | |
949 | memcpy(&lport->tt, &bnx2fc_libfc_fcn_templ, | |
950 | sizeof(struct libfc_function_template)); | |
951 | fc_elsct_init(lport); | |
952 | fc_exch_init(lport); | |
953 | fc_rport_init(lport); | |
0807619d RL |
954 | fc_disc_init(lport); |
955 | fc_disc_config(lport, lport); | |
853e2bd2 BG |
956 | return 0; |
957 | } | |
958 | ||
0eb43b4b | 959 | static int bnx2fc_em_config(struct fc_lport *lport, struct bnx2fc_hba *hba) |
853e2bd2 | 960 | { |
0eb43b4b | 961 | int fcoe_min_xid, fcoe_max_xid; |
7d742f65 | 962 | |
0eb43b4b | 963 | fcoe_min_xid = hba->max_xid + 1; |
7d742f65 | 964 | if (nr_cpu_ids <= 2) |
0eb43b4b | 965 | fcoe_max_xid = hba->max_xid + FCOE_XIDS_PER_CPU_OFFSET; |
7d742f65 | 966 | else |
0eb43b4b BPG |
967 | fcoe_max_xid = hba->max_xid + FCOE_MAX_XID_OFFSET; |
968 | if (!fc_exch_mgr_alloc(lport, FC_CLASS_3, fcoe_min_xid, | |
969 | fcoe_max_xid, NULL)) { | |
853e2bd2 BG |
970 | printk(KERN_ERR PFX "em_config:fc_exch_mgr_alloc failed\n"); |
971 | return -ENOMEM; | |
972 | } | |
973 | ||
853e2bd2 BG |
974 | return 0; |
975 | } | |
976 | ||
977 | static int bnx2fc_lport_config(struct fc_lport *lport) | |
978 | { | |
979 | lport->link_up = 0; | |
980 | lport->qfull = 0; | |
44c570b5 BPG |
981 | lport->max_retry_count = BNX2FC_MAX_RETRY_CNT; |
982 | lport->max_rport_retry_count = BNX2FC_MAX_RPORT_RETRY_CNT; | |
853e2bd2 BG |
983 | lport->e_d_tov = 2 * 1000; |
984 | lport->r_a_tov = 10 * 1000; | |
985 | ||
853e2bd2 BG |
986 | lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS | |
987 | FCP_SPPF_RETRY | FCP_SPPF_CONF_COMPL); | |
853e2bd2 BG |
988 | lport->does_npiv = 1; |
989 | ||
990 | memset(&lport->rnid_gen, 0, sizeof(struct fc_els_rnid_gen)); | |
991 | lport->rnid_gen.rnid_atype = BNX2FC_RNID_HBA; | |
992 | ||
993 | /* alloc stats structure */ | |
994 | if (fc_lport_init_stats(lport)) | |
995 | return -ENOMEM; | |
996 | ||
997 | /* Finish fc_lport configuration */ | |
998 | fc_lport_config(lport); | |
999 | ||
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | /** | |
1004 | * bnx2fc_fip_recv - handle a received FIP frame. | |
1005 | * | |
1006 | * @skb: the received skb | |
1007 | * @dev: associated &net_device | |
1008 | * @ptype: the &packet_type structure which was used to register this handler. | |
1009 | * @orig_dev: original receive &net_device, in case @ dev is a bond. | |
1010 | * | |
1011 | * Returns: 0 for success | |
1012 | */ | |
1013 | static int bnx2fc_fip_recv(struct sk_buff *skb, struct net_device *dev, | |
1014 | struct packet_type *ptype, | |
1015 | struct net_device *orig_dev) | |
1016 | { | |
aea71a02 | 1017 | struct bnx2fc_interface *interface; |
fd8f8902 | 1018 | struct fcoe_ctlr *ctlr; |
aea71a02 BPG |
1019 | interface = container_of(ptype, struct bnx2fc_interface, |
1020 | fip_packet_type); | |
fd8f8902 RL |
1021 | ctlr = bnx2fc_to_ctlr(interface); |
1022 | fcoe_ctlr_recv(ctlr, skb); | |
853e2bd2 BG |
1023 | return 0; |
1024 | } | |
1025 | ||
1026 | /** | |
1027 | * bnx2fc_update_src_mac - Update Ethernet MAC filters. | |
1028 | * | |
1029 | * @fip: FCoE controller. | |
1030 | * @old: Unicast MAC address to delete if the MAC is non-zero. | |
1031 | * @new: Unicast MAC address to add. | |
1032 | * | |
1033 | * Remove any previously-set unicast MAC filter. | |
1034 | * Add secondary FCoE MAC address filter for our OUI. | |
1035 | */ | |
1036 | static void bnx2fc_update_src_mac(struct fc_lport *lport, u8 *addr) | |
1037 | { | |
1038 | struct fcoe_port *port = lport_priv(lport); | |
1039 | ||
1040 | memcpy(port->data_src_addr, addr, ETH_ALEN); | |
1041 | } | |
1042 | ||
1043 | /** | |
1044 | * bnx2fc_get_src_mac - return the ethernet source address for an lport | |
1045 | * | |
1046 | * @lport: libfc port | |
1047 | */ | |
1048 | static u8 *bnx2fc_get_src_mac(struct fc_lport *lport) | |
1049 | { | |
1050 | struct fcoe_port *port; | |
1051 | ||
1052 | port = (struct fcoe_port *)lport_priv(lport); | |
1053 | return port->data_src_addr; | |
1054 | } | |
1055 | ||
1056 | /** | |
1057 | * bnx2fc_fip_send - send an Ethernet-encapsulated FIP frame. | |
1058 | * | |
1059 | * @fip: FCoE controller. | |
1060 | * @skb: FIP Packet. | |
1061 | */ | |
1062 | static void bnx2fc_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb) | |
1063 | { | |
1064 | skb->dev = bnx2fc_from_ctlr(fip)->netdev; | |
1065 | dev_queue_xmit(skb); | |
1066 | } | |
1067 | ||
1068 | static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled) | |
1069 | { | |
1070 | struct Scsi_Host *shost = vport_to_shost(vport); | |
1071 | struct fc_lport *n_port = shost_priv(shost); | |
1072 | struct fcoe_port *port = lport_priv(n_port); | |
aea71a02 BPG |
1073 | struct bnx2fc_interface *interface = port->priv; |
1074 | struct net_device *netdev = interface->netdev; | |
853e2bd2 | 1075 | struct fc_lport *vn_port; |
861efc54 BPG |
1076 | int rc; |
1077 | char buf[32]; | |
1078 | ||
1079 | rc = fcoe_validate_vport_create(vport); | |
1080 | if (rc) { | |
1081 | fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf)); | |
1082 | printk(KERN_ERR PFX "Failed to create vport, " | |
1083 | "WWPN (0x%s) already exists\n", | |
1084 | buf); | |
1085 | return rc; | |
1086 | } | |
853e2bd2 | 1087 | |
aea71a02 | 1088 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) { |
853e2bd2 | 1089 | printk(KERN_ERR PFX "vn ports cannot be created on" |
aea71a02 | 1090 | "this interface\n"); |
853e2bd2 BG |
1091 | return -EIO; |
1092 | } | |
4bc71cb9 | 1093 | rtnl_lock(); |
853e2bd2 | 1094 | mutex_lock(&bnx2fc_dev_lock); |
aea71a02 | 1095 | vn_port = bnx2fc_if_create(interface, &vport->dev, 1); |
853e2bd2 | 1096 | mutex_unlock(&bnx2fc_dev_lock); |
4bc71cb9 | 1097 | rtnl_unlock(); |
853e2bd2 | 1098 | |
b6829c72 | 1099 | if (!vn_port) { |
853e2bd2 BG |
1100 | printk(KERN_ERR PFX "bnx2fc_vport_create (%s) failed\n", |
1101 | netdev->name); | |
1102 | return -EIO; | |
1103 | } | |
1104 | ||
1105 | if (disabled) { | |
1106 | fc_vport_set_state(vport, FC_VPORT_DISABLED); | |
1107 | } else { | |
1108 | vn_port->boot_time = jiffies; | |
1109 | fc_lport_init(vn_port); | |
1110 | fc_fabric_login(vn_port); | |
1111 | fc_vport_setlink(vn_port); | |
1112 | } | |
1113 | return 0; | |
1114 | } | |
1115 | ||
abc49a93 BPG |
1116 | static void bnx2fc_free_vport(struct bnx2fc_hba *hba, struct fc_lport *lport) |
1117 | { | |
1118 | struct bnx2fc_lport *blport, *tmp; | |
1119 | ||
1120 | spin_lock_bh(&hba->hba_lock); | |
1121 | list_for_each_entry_safe(blport, tmp, &hba->vports, list) { | |
1122 | if (blport->lport == lport) { | |
1123 | list_del(&blport->list); | |
1124 | kfree(blport); | |
1125 | } | |
1126 | } | |
1127 | spin_unlock_bh(&hba->hba_lock); | |
1128 | } | |
1129 | ||
853e2bd2 BG |
1130 | static int bnx2fc_vport_destroy(struct fc_vport *vport) |
1131 | { | |
1132 | struct Scsi_Host *shost = vport_to_shost(vport); | |
1133 | struct fc_lport *n_port = shost_priv(shost); | |
1134 | struct fc_lport *vn_port = vport->dd_data; | |
1135 | struct fcoe_port *port = lport_priv(vn_port); | |
abc49a93 | 1136 | struct bnx2fc_interface *interface = port->priv; |
cdf54668 BPG |
1137 | struct fc_lport *v_port; |
1138 | bool found = false; | |
853e2bd2 BG |
1139 | |
1140 | mutex_lock(&n_port->lp_mutex); | |
cdf54668 BPG |
1141 | list_for_each_entry(v_port, &n_port->vports, list) |
1142 | if (v_port->vport == vport) { | |
1143 | found = true; | |
1144 | break; | |
1145 | } | |
1146 | ||
1147 | if (!found) { | |
1148 | mutex_unlock(&n_port->lp_mutex); | |
1149 | return -ENOENT; | |
1150 | } | |
853e2bd2 BG |
1151 | list_del(&vn_port->list); |
1152 | mutex_unlock(&n_port->lp_mutex); | |
abc49a93 BPG |
1153 | bnx2fc_free_vport(interface->hba, port->lport); |
1154 | bnx2fc_port_shutdown(port->lport); | |
1155 | bnx2fc_interface_put(interface); | |
853e2bd2 BG |
1156 | queue_work(bnx2fc_wq, &port->destroy_work); |
1157 | return 0; | |
1158 | } | |
1159 | ||
1160 | static int bnx2fc_vport_disable(struct fc_vport *vport, bool disable) | |
1161 | { | |
1162 | struct fc_lport *lport = vport->dd_data; | |
1163 | ||
1164 | if (disable) { | |
1165 | fc_vport_set_state(vport, FC_VPORT_DISABLED); | |
1166 | fc_fabric_logoff(lport); | |
1167 | } else { | |
1168 | lport->boot_time = jiffies; | |
1169 | fc_fabric_login(lport); | |
1170 | fc_vport_setlink(lport); | |
1171 | } | |
1172 | return 0; | |
1173 | } | |
1174 | ||
1175 | ||
776cebca | 1176 | static int bnx2fc_interface_setup(struct bnx2fc_interface *interface) |
853e2bd2 | 1177 | { |
aea71a02 BPG |
1178 | struct net_device *netdev = interface->netdev; |
1179 | struct net_device *physdev = interface->hba->phys_dev; | |
fd8f8902 | 1180 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
853e2bd2 BG |
1181 | struct netdev_hw_addr *ha; |
1182 | int sel_san_mac = 0; | |
1183 | ||
853e2bd2 BG |
1184 | /* setup Source MAC Address */ |
1185 | rcu_read_lock(); | |
1186 | for_each_dev_addr(physdev, ha) { | |
1187 | BNX2FC_MISC_DBG("net_config: ha->type = %d, fip_mac = ", | |
1188 | ha->type); | |
1189 | printk(KERN_INFO "%2x:%2x:%2x:%2x:%2x:%2x\n", ha->addr[0], | |
1190 | ha->addr[1], ha->addr[2], ha->addr[3], | |
1191 | ha->addr[4], ha->addr[5]); | |
1192 | ||
1193 | if ((ha->type == NETDEV_HW_ADDR_T_SAN) && | |
1194 | (is_valid_ether_addr(ha->addr))) { | |
fd8f8902 | 1195 | memcpy(ctlr->ctl_src_addr, ha->addr, |
aea71a02 | 1196 | ETH_ALEN); |
853e2bd2 BG |
1197 | sel_san_mac = 1; |
1198 | BNX2FC_MISC_DBG("Found SAN MAC\n"); | |
1199 | } | |
1200 | } | |
1201 | rcu_read_unlock(); | |
1202 | ||
1203 | if (!sel_san_mac) | |
1204 | return -ENODEV; | |
1205 | ||
aea71a02 BPG |
1206 | interface->fip_packet_type.func = bnx2fc_fip_recv; |
1207 | interface->fip_packet_type.type = htons(ETH_P_FIP); | |
1208 | interface->fip_packet_type.dev = netdev; | |
1209 | dev_add_pack(&interface->fip_packet_type); | |
853e2bd2 | 1210 | |
aea71a02 BPG |
1211 | interface->fcoe_packet_type.func = bnx2fc_rcv; |
1212 | interface->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE); | |
1213 | interface->fcoe_packet_type.dev = netdev; | |
1214 | dev_add_pack(&interface->fcoe_packet_type); | |
853e2bd2 BG |
1215 | |
1216 | return 0; | |
1217 | } | |
1218 | ||
1219 | static int bnx2fc_attach_transport(void) | |
1220 | { | |
1221 | bnx2fc_transport_template = | |
1222 | fc_attach_transport(&bnx2fc_transport_function); | |
1223 | ||
1224 | if (bnx2fc_transport_template == NULL) { | |
1225 | printk(KERN_ERR PFX "Failed to attach FC transport\n"); | |
1226 | return -ENODEV; | |
1227 | } | |
1228 | ||
1229 | bnx2fc_vport_xport_template = | |
1230 | fc_attach_transport(&bnx2fc_vport_xport_function); | |
1231 | if (bnx2fc_vport_xport_template == NULL) { | |
1232 | printk(KERN_ERR PFX | |
1233 | "Failed to attach FC transport for vport\n"); | |
1234 | fc_release_transport(bnx2fc_transport_template); | |
1235 | bnx2fc_transport_template = NULL; | |
1236 | return -ENODEV; | |
1237 | } | |
1238 | return 0; | |
1239 | } | |
1240 | static void bnx2fc_release_transport(void) | |
1241 | { | |
1242 | fc_release_transport(bnx2fc_transport_template); | |
1243 | fc_release_transport(bnx2fc_vport_xport_template); | |
1244 | bnx2fc_transport_template = NULL; | |
1245 | bnx2fc_vport_xport_template = NULL; | |
1246 | } | |
1247 | ||
1248 | static void bnx2fc_interface_release(struct kref *kref) | |
1249 | { | |
8d55e507 | 1250 | struct fcoe_ctlr_device *ctlr_dev; |
aea71a02 | 1251 | struct bnx2fc_interface *interface; |
fd8f8902 | 1252 | struct fcoe_ctlr *ctlr; |
853e2bd2 | 1253 | struct net_device *netdev; |
853e2bd2 | 1254 | |
aea71a02 | 1255 | interface = container_of(kref, struct bnx2fc_interface, kref); |
068bdce4 | 1256 | BNX2FC_MISC_DBG("Interface is being released\n"); |
853e2bd2 | 1257 | |
fd8f8902 | 1258 | ctlr = bnx2fc_to_ctlr(interface); |
8d55e507 | 1259 | ctlr_dev = fcoe_ctlr_to_ctlr_dev(ctlr); |
aea71a02 | 1260 | netdev = interface->netdev; |
853e2bd2 BG |
1261 | |
1262 | /* tear-down FIP controller */ | |
aea71a02 | 1263 | if (test_and_clear_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags)) |
fd8f8902 | 1264 | fcoe_ctlr_destroy(ctlr); |
aea71a02 | 1265 | |
8d55e507 | 1266 | fcoe_ctlr_device_delete(ctlr_dev); |
853e2bd2 | 1267 | |
853e2bd2 BG |
1268 | dev_put(netdev); |
1269 | module_put(THIS_MODULE); | |
1270 | } | |
1271 | ||
aea71a02 | 1272 | static inline void bnx2fc_interface_get(struct bnx2fc_interface *interface) |
853e2bd2 | 1273 | { |
aea71a02 | 1274 | kref_get(&interface->kref); |
853e2bd2 BG |
1275 | } |
1276 | ||
aea71a02 | 1277 | static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface) |
853e2bd2 | 1278 | { |
aea71a02 | 1279 | kref_put(&interface->kref, bnx2fc_interface_release); |
853e2bd2 | 1280 | } |
aea71a02 | 1281 | static void bnx2fc_hba_destroy(struct bnx2fc_hba *hba) |
853e2bd2 | 1282 | { |
aea71a02 BPG |
1283 | /* Free the command manager */ |
1284 | if (hba->cmd_mgr) { | |
1285 | bnx2fc_cmd_mgr_free(hba->cmd_mgr); | |
1286 | hba->cmd_mgr = NULL; | |
1287 | } | |
1288 | kfree(hba->tgt_ofld_list); | |
853e2bd2 BG |
1289 | bnx2fc_unbind_pcidev(hba); |
1290 | kfree(hba); | |
1291 | } | |
1292 | ||
1293 | /** | |
aea71a02 | 1294 | * bnx2fc_hba_create - create a new bnx2fc hba |
853e2bd2 BG |
1295 | * |
1296 | * @cnic: pointer to cnic device | |
1297 | * | |
aea71a02 BPG |
1298 | * Creates a new FCoE hba on the given device. |
1299 | * | |
853e2bd2 | 1300 | */ |
aea71a02 | 1301 | static struct bnx2fc_hba *bnx2fc_hba_create(struct cnic_dev *cnic) |
853e2bd2 BG |
1302 | { |
1303 | struct bnx2fc_hba *hba; | |
2e499d3c | 1304 | struct fcoe_capabilities *fcoe_cap; |
853e2bd2 BG |
1305 | int rc; |
1306 | ||
1307 | hba = kzalloc(sizeof(*hba), GFP_KERNEL); | |
1308 | if (!hba) { | |
1309 | printk(KERN_ERR PFX "Unable to allocate hba structure\n"); | |
1310 | return NULL; | |
1311 | } | |
1312 | spin_lock_init(&hba->hba_lock); | |
1313 | mutex_init(&hba->hba_mutex); | |
1314 | ||
1315 | hba->cnic = cnic; | |
0eb43b4b BPG |
1316 | |
1317 | hba->max_tasks = cnic->max_fcoe_exchanges; | |
1318 | hba->elstm_xids = (hba->max_tasks / 2); | |
1319 | hba->max_outstanding_cmds = hba->elstm_xids; | |
1320 | hba->max_xid = (hba->max_tasks - 1); | |
1321 | ||
853e2bd2 | 1322 | rc = bnx2fc_bind_pcidev(hba); |
aea71a02 BPG |
1323 | if (rc) { |
1324 | printk(KERN_ERR PFX "create_adapter: bind error\n"); | |
853e2bd2 | 1325 | goto bind_err; |
aea71a02 | 1326 | } |
853e2bd2 | 1327 | hba->phys_dev = cnic->netdev; |
aea71a02 BPG |
1328 | hba->next_conn_id = 0; |
1329 | ||
1330 | hba->tgt_ofld_list = | |
1331 | kzalloc(sizeof(struct bnx2fc_rport *) * BNX2FC_NUM_MAX_SESS, | |
1332 | GFP_KERNEL); | |
1333 | if (!hba->tgt_ofld_list) { | |
1334 | printk(KERN_ERR PFX "Unable to allocate tgt offload list\n"); | |
1335 | goto tgtofld_err; | |
1336 | } | |
1337 | ||
1338 | hba->num_ofld_sess = 0; | |
1339 | ||
0eb43b4b | 1340 | hba->cmd_mgr = bnx2fc_cmd_mgr_alloc(hba); |
aea71a02 BPG |
1341 | if (!hba->cmd_mgr) { |
1342 | printk(KERN_ERR PFX "em_config:bnx2fc_cmd_mgr_alloc failed\n"); | |
1343 | goto cmgr_err; | |
1344 | } | |
2e499d3c BW |
1345 | fcoe_cap = &hba->fcoe_cap; |
1346 | ||
1347 | fcoe_cap->capability1 = BNX2FC_TM_MAX_SQES << | |
1348 | FCOE_IOS_PER_CONNECTION_SHIFT; | |
1349 | fcoe_cap->capability1 |= BNX2FC_NUM_MAX_SESS << | |
1350 | FCOE_LOGINS_PER_PORT_SHIFT; | |
0eb43b4b | 1351 | fcoe_cap->capability2 = hba->max_outstanding_cmds << |
2e499d3c BW |
1352 | FCOE_NUMBER_OF_EXCHANGES_SHIFT; |
1353 | fcoe_cap->capability2 |= BNX2FC_MAX_NPIV << | |
1354 | FCOE_NPIV_WWN_PER_PORT_SHIFT; | |
1355 | fcoe_cap->capability3 = BNX2FC_NUM_MAX_SESS << | |
1356 | FCOE_TARGETS_SUPPORTED_SHIFT; | |
0eb43b4b | 1357 | fcoe_cap->capability3 |= hba->max_outstanding_cmds << |
2e499d3c BW |
1358 | FCOE_OUTSTANDING_COMMANDS_SHIFT; |
1359 | fcoe_cap->capability4 = FCOE_CAPABILITY4_STATEFUL; | |
853e2bd2 BG |
1360 | |
1361 | init_waitqueue_head(&hba->shutdown_wait); | |
1362 | init_waitqueue_head(&hba->destroy_wait); | |
aea71a02 | 1363 | INIT_LIST_HEAD(&hba->vports); |
853e2bd2 BG |
1364 | |
1365 | return hba; | |
aea71a02 BPG |
1366 | |
1367 | cmgr_err: | |
1368 | kfree(hba->tgt_ofld_list); | |
1369 | tgtofld_err: | |
1370 | bnx2fc_unbind_pcidev(hba); | |
853e2bd2 | 1371 | bind_err: |
853e2bd2 BG |
1372 | kfree(hba); |
1373 | return NULL; | |
1374 | } | |
1375 | ||
aea71a02 BPG |
1376 | struct bnx2fc_interface *bnx2fc_interface_create(struct bnx2fc_hba *hba, |
1377 | struct net_device *netdev, | |
1378 | enum fip_state fip_mode) | |
853e2bd2 | 1379 | { |
8d55e507 | 1380 | struct fcoe_ctlr_device *ctlr_dev; |
aea71a02 | 1381 | struct bnx2fc_interface *interface; |
fd8f8902 RL |
1382 | struct fcoe_ctlr *ctlr; |
1383 | int size; | |
853e2bd2 | 1384 | int rc = 0; |
853e2bd2 | 1385 | |
fd8f8902 | 1386 | size = (sizeof(*interface) + sizeof(struct fcoe_ctlr)); |
8d55e507 RL |
1387 | ctlr_dev = fcoe_ctlr_device_add(&netdev->dev, &bnx2fc_fcoe_sysfs_templ, |
1388 | size); | |
1389 | if (!ctlr_dev) { | |
aea71a02 BPG |
1390 | printk(KERN_ERR PFX "Unable to allocate interface structure\n"); |
1391 | return NULL; | |
1392 | } | |
8d55e507 | 1393 | ctlr = fcoe_ctlr_device_priv(ctlr_dev); |
9d34876f | 1394 | ctlr->cdev = ctlr_dev; |
fd8f8902 | 1395 | interface = fcoe_ctlr_priv(ctlr); |
853e2bd2 | 1396 | dev_hold(netdev); |
aea71a02 BPG |
1397 | kref_init(&interface->kref); |
1398 | interface->hba = hba; | |
1399 | interface->netdev = netdev; | |
853e2bd2 BG |
1400 | |
1401 | /* Initialize FIP */ | |
fd8f8902 RL |
1402 | fcoe_ctlr_init(ctlr, fip_mode); |
1403 | ctlr->send = bnx2fc_fip_send; | |
1404 | ctlr->update_mac = bnx2fc_update_src_mac; | |
1405 | ctlr->get_src_addr = bnx2fc_get_src_mac; | |
aea71a02 | 1406 | set_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags); |
853e2bd2 | 1407 | |
776cebca | 1408 | rc = bnx2fc_interface_setup(interface); |
aea71a02 BPG |
1409 | if (!rc) |
1410 | return interface; | |
853e2bd2 | 1411 | |
fd8f8902 | 1412 | fcoe_ctlr_destroy(ctlr); |
853e2bd2 | 1413 | dev_put(netdev); |
8d55e507 | 1414 | fcoe_ctlr_device_delete(ctlr_dev); |
aea71a02 | 1415 | return NULL; |
853e2bd2 BG |
1416 | } |
1417 | ||
1418 | /** | |
1419 | * bnx2fc_if_create - Create FCoE instance on a given interface | |
1420 | * | |
aea71a02 | 1421 | * @interface: FCoE interface to create a local port on |
853e2bd2 BG |
1422 | * @parent: Device pointer to be the parent in sysfs for the SCSI host |
1423 | * @npiv: Indicates if the port is vport or not | |
1424 | * | |
1425 | * Creates a fc_lport instance and a Scsi_Host instance and configure them. | |
1426 | * | |
1427 | * Returns: Allocated fc_lport or an error pointer | |
1428 | */ | |
aea71a02 | 1429 | static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface, |
853e2bd2 BG |
1430 | struct device *parent, int npiv) |
1431 | { | |
fd8f8902 | 1432 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
134a4e27 | 1433 | struct fc_lport *lport, *n_port; |
853e2bd2 BG |
1434 | struct fcoe_port *port; |
1435 | struct Scsi_Host *shost; | |
1436 | struct fc_vport *vport = dev_to_vport(parent); | |
d36b3279 | 1437 | struct bnx2fc_lport *blport; |
0eb43b4b | 1438 | struct bnx2fc_hba *hba = interface->hba; |
853e2bd2 BG |
1439 | int rc = 0; |
1440 | ||
d36b3279 BPG |
1441 | blport = kzalloc(sizeof(struct bnx2fc_lport), GFP_KERNEL); |
1442 | if (!blport) { | |
fd8f8902 | 1443 | BNX2FC_HBA_DBG(ctlr->lp, "Unable to alloc blport\n"); |
d36b3279 BPG |
1444 | return NULL; |
1445 | } | |
1446 | ||
853e2bd2 | 1447 | /* Allocate Scsi_Host structure */ |
0eb43b4b | 1448 | bnx2fc_shost_template.can_queue = hba->max_outstanding_cmds; |
134a4e27 VD |
1449 | if (!npiv) |
1450 | lport = libfc_host_alloc(&bnx2fc_shost_template, sizeof(*port)); | |
1451 | else | |
1452 | lport = libfc_vport_create(vport, sizeof(*port)); | |
853e2bd2 BG |
1453 | |
1454 | if (!lport) { | |
1455 | printk(KERN_ERR PFX "could not allocate scsi host structure\n"); | |
d36b3279 | 1456 | goto free_blport; |
853e2bd2 BG |
1457 | } |
1458 | shost = lport->host; | |
1459 | port = lport_priv(lport); | |
1460 | port->lport = lport; | |
aea71a02 | 1461 | port->priv = interface; |
c3d7909b | 1462 | port->get_netdev = bnx2fc_netdev; |
853e2bd2 BG |
1463 | INIT_WORK(&port->destroy_work, bnx2fc_destroy_work); |
1464 | ||
1465 | /* Configure fcoe_port */ | |
1466 | rc = bnx2fc_lport_config(lport); | |
1467 | if (rc) | |
1468 | goto lp_config_err; | |
1469 | ||
1470 | if (npiv) { | |
853e2bd2 BG |
1471 | printk(KERN_ERR PFX "Setting vport names, 0x%llX 0x%llX\n", |
1472 | vport->node_name, vport->port_name); | |
1473 | fc_set_wwnn(lport, vport->node_name); | |
1474 | fc_set_wwpn(lport, vport->port_name); | |
1475 | } | |
1476 | /* Configure netdev and networking properties of the lport */ | |
52439607 | 1477 | rc = bnx2fc_net_config(lport, interface->netdev); |
853e2bd2 BG |
1478 | if (rc) { |
1479 | printk(KERN_ERR PFX "Error on bnx2fc_net_config\n"); | |
1480 | goto lp_config_err; | |
1481 | } | |
1482 | ||
1483 | rc = bnx2fc_shost_config(lport, parent); | |
1484 | if (rc) { | |
1485 | printk(KERN_ERR PFX "Couldnt configure shost for %s\n", | |
aea71a02 | 1486 | interface->netdev->name); |
853e2bd2 BG |
1487 | goto lp_config_err; |
1488 | } | |
1489 | ||
1490 | /* Initialize the libfc library */ | |
1491 | rc = bnx2fc_libfc_config(lport); | |
1492 | if (rc) { | |
1493 | printk(KERN_ERR PFX "Couldnt configure libfc\n"); | |
1494 | goto shost_err; | |
1495 | } | |
1496 | fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN; | |
1497 | ||
1498 | /* Allocate exchange manager */ | |
134a4e27 | 1499 | if (!npiv) |
0eb43b4b | 1500 | rc = bnx2fc_em_config(lport, hba); |
134a4e27 VD |
1501 | else { |
1502 | shost = vport_to_shost(vport); | |
1503 | n_port = shost_priv(shost); | |
1504 | rc = fc_exch_mgr_list_clone(n_port, lport); | |
1505 | } | |
1506 | ||
1507 | if (rc) { | |
1508 | printk(KERN_ERR PFX "Error on bnx2fc_em_config\n"); | |
1509 | goto shost_err; | |
853e2bd2 BG |
1510 | } |
1511 | ||
aea71a02 | 1512 | bnx2fc_interface_get(interface); |
d36b3279 BPG |
1513 | |
1514 | spin_lock_bh(&hba->hba_lock); | |
1515 | blport->lport = lport; | |
1516 | list_add_tail(&blport->list, &hba->vports); | |
1517 | spin_unlock_bh(&hba->hba_lock); | |
1518 | ||
853e2bd2 BG |
1519 | return lport; |
1520 | ||
1521 | shost_err: | |
1522 | scsi_remove_host(shost); | |
1523 | lp_config_err: | |
1524 | scsi_host_put(lport->host); | |
d36b3279 BPG |
1525 | free_blport: |
1526 | kfree(blport); | |
853e2bd2 BG |
1527 | return NULL; |
1528 | } | |
1529 | ||
013068fa | 1530 | static void bnx2fc_net_cleanup(struct bnx2fc_interface *interface) |
853e2bd2 BG |
1531 | { |
1532 | /* Dont listen for Ethernet packets anymore */ | |
aea71a02 BPG |
1533 | __dev_remove_pack(&interface->fcoe_packet_type); |
1534 | __dev_remove_pack(&interface->fip_packet_type); | |
853e2bd2 BG |
1535 | synchronize_net(); |
1536 | } | |
1537 | ||
776cebca | 1538 | static void bnx2fc_interface_cleanup(struct bnx2fc_interface *interface) |
853e2bd2 | 1539 | { |
fd8f8902 RL |
1540 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
1541 | struct fc_lport *lport = ctlr->lp; | |
853e2bd2 | 1542 | struct fcoe_port *port = lport_priv(lport); |
9be17fc4 | 1543 | struct bnx2fc_hba *hba = interface->hba; |
853e2bd2 | 1544 | |
853e2bd2 BG |
1545 | /* Stop the transmit retry timer */ |
1546 | del_timer_sync(&port->timer); | |
1547 | ||
1548 | /* Free existing transmit skbs */ | |
1549 | fcoe_clean_pending_queue(lport); | |
1550 | ||
013068fa | 1551 | bnx2fc_net_cleanup(interface); |
9be17fc4 | 1552 | |
abc49a93 | 1553 | bnx2fc_free_vport(hba, lport); |
9be17fc4 BPG |
1554 | } |
1555 | ||
1556 | static void bnx2fc_if_destroy(struct fc_lport *lport) | |
1557 | { | |
1558 | ||
853e2bd2 BG |
1559 | /* Free queued packets for the receive thread */ |
1560 | bnx2fc_clean_rx_queue(lport); | |
1561 | ||
1562 | /* Detach from scsi-ml */ | |
1563 | fc_remove_host(lport->host); | |
1564 | scsi_remove_host(lport->host); | |
1565 | ||
1566 | /* | |
1567 | * Note that only the physical lport will have the exchange manager. | |
1568 | * for vports, this function is NOP | |
1569 | */ | |
1570 | fc_exch_mgr_free(lport); | |
1571 | ||
1572 | /* Free memory used by statistical counters */ | |
1573 | fc_lport_free_stats(lport); | |
1574 | ||
1575 | /* Release Scsi_Host */ | |
1576 | scsi_host_put(lport->host); | |
1577 | } | |
1578 | ||
eccdcd02 | 1579 | static void __bnx2fc_destroy(struct bnx2fc_interface *interface) |
abc49a93 | 1580 | { |
fd8f8902 RL |
1581 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
1582 | struct fc_lport *lport = ctlr->lp; | |
0cbf32e1 | 1583 | struct fcoe_port *port = lport_priv(lport); |
abc49a93 BPG |
1584 | |
1585 | bnx2fc_interface_cleanup(interface); | |
1586 | bnx2fc_stop(interface); | |
abc49a93 | 1587 | list_del(&interface->list); |
abc49a93 | 1588 | bnx2fc_interface_put(interface); |
0cbf32e1 | 1589 | queue_work(bnx2fc_wq, &port->destroy_work); |
abc49a93 BPG |
1590 | } |
1591 | ||
853e2bd2 BG |
1592 | /** |
1593 | * bnx2fc_destroy - Destroy a bnx2fc FCoE interface | |
1594 | * | |
1595 | * @buffer: The name of the Ethernet interface to be destroyed | |
1596 | * @kp: The associated kernel parameter | |
1597 | * | |
1598 | * Called from sysfs. | |
1599 | * | |
1600 | * Returns: 0 for success | |
1601 | */ | |
1602 | static int bnx2fc_destroy(struct net_device *netdev) | |
1603 | { | |
aea71a02 | 1604 | struct bnx2fc_interface *interface = NULL; |
2a7b29c5 | 1605 | struct workqueue_struct *timer_work_queue; |
fd8f8902 | 1606 | struct fcoe_ctlr *ctlr; |
853e2bd2 BG |
1607 | int rc = 0; |
1608 | ||
6702ca1d | 1609 | rtnl_lock(); |
853e2bd2 | 1610 | mutex_lock(&bnx2fc_dev_lock); |
853e2bd2 | 1611 | |
aea71a02 | 1612 | interface = bnx2fc_interface_lookup(netdev); |
fd8f8902 RL |
1613 | ctlr = bnx2fc_to_ctlr(interface); |
1614 | if (!interface || !ctlr->lp) { | |
853e2bd2 | 1615 | rc = -ENODEV; |
aea71a02 | 1616 | printk(KERN_ERR PFX "bnx2fc_destroy: interface or lport not found\n"); |
853e2bd2 BG |
1617 | goto netdev_err; |
1618 | } | |
1619 | ||
2a7b29c5 | 1620 | timer_work_queue = interface->timer_work_queue; |
eccdcd02 | 1621 | __bnx2fc_destroy(interface); |
2a7b29c5 | 1622 | destroy_workqueue(timer_work_queue); |
853e2bd2 | 1623 | |
853e2bd2 BG |
1624 | netdev_err: |
1625 | mutex_unlock(&bnx2fc_dev_lock); | |
1626 | rtnl_unlock(); | |
1627 | return rc; | |
1628 | } | |
1629 | ||
1630 | static void bnx2fc_destroy_work(struct work_struct *work) | |
1631 | { | |
1632 | struct fcoe_port *port; | |
1633 | struct fc_lport *lport; | |
1634 | ||
1635 | port = container_of(work, struct fcoe_port, destroy_work); | |
1636 | lport = port->lport; | |
1637 | ||
1638 | BNX2FC_HBA_DBG(lport, "Entered bnx2fc_destroy_work\n"); | |
1639 | ||
9be17fc4 | 1640 | bnx2fc_if_destroy(lport); |
853e2bd2 BG |
1641 | } |
1642 | ||
1643 | static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba) | |
1644 | { | |
1645 | bnx2fc_free_fw_resc(hba); | |
1646 | bnx2fc_free_task_ctx(hba); | |
1647 | } | |
1648 | ||
1649 | /** | |
1650 | * bnx2fc_bind_adapter_devices - binds bnx2fc adapter with the associated | |
1651 | * pci structure | |
1652 | * | |
1653 | * @hba: Adapter instance | |
1654 | */ | |
1655 | static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba) | |
1656 | { | |
1657 | if (bnx2fc_setup_task_ctx(hba)) | |
1658 | goto mem_err; | |
1659 | ||
1660 | if (bnx2fc_setup_fw_resc(hba)) | |
1661 | goto mem_err; | |
1662 | ||
1663 | return 0; | |
1664 | mem_err: | |
1665 | bnx2fc_unbind_adapter_devices(hba); | |
1666 | return -ENOMEM; | |
1667 | } | |
1668 | ||
1669 | static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba) | |
1670 | { | |
1671 | struct cnic_dev *cnic; | |
c13d2b6d | 1672 | struct pci_dev *pdev; |
853e2bd2 BG |
1673 | |
1674 | if (!hba->cnic) { | |
1675 | printk(KERN_ERR PFX "cnic is NULL\n"); | |
1676 | return -ENODEV; | |
1677 | } | |
1678 | cnic = hba->cnic; | |
c13d2b6d BPG |
1679 | pdev = hba->pcidev = cnic->pcidev; |
1680 | if (!hba->pcidev) | |
1681 | return -ENODEV; | |
853e2bd2 | 1682 | |
c13d2b6d BPG |
1683 | switch (pdev->device) { |
1684 | case PCI_DEVICE_ID_NX2_57710: | |
1685 | strncpy(hba->chip_num, "BCM57710", BCM_CHIP_LEN); | |
1686 | break; | |
1687 | case PCI_DEVICE_ID_NX2_57711: | |
1688 | strncpy(hba->chip_num, "BCM57711", BCM_CHIP_LEN); | |
1689 | break; | |
1690 | case PCI_DEVICE_ID_NX2_57712: | |
1691 | case PCI_DEVICE_ID_NX2_57712_MF: | |
1692 | case PCI_DEVICE_ID_NX2_57712_VF: | |
1693 | strncpy(hba->chip_num, "BCM57712", BCM_CHIP_LEN); | |
1694 | break; | |
1695 | case PCI_DEVICE_ID_NX2_57800: | |
1696 | case PCI_DEVICE_ID_NX2_57800_MF: | |
1697 | case PCI_DEVICE_ID_NX2_57800_VF: | |
1698 | strncpy(hba->chip_num, "BCM57800", BCM_CHIP_LEN); | |
1699 | break; | |
1700 | case PCI_DEVICE_ID_NX2_57810: | |
1701 | case PCI_DEVICE_ID_NX2_57810_MF: | |
1702 | case PCI_DEVICE_ID_NX2_57810_VF: | |
1703 | strncpy(hba->chip_num, "BCM57810", BCM_CHIP_LEN); | |
1704 | break; | |
1705 | case PCI_DEVICE_ID_NX2_57840: | |
1706 | case PCI_DEVICE_ID_NX2_57840_MF: | |
1707 | case PCI_DEVICE_ID_NX2_57840_VF: | |
1708 | case PCI_DEVICE_ID_NX2_57840_2_20: | |
1709 | case PCI_DEVICE_ID_NX2_57840_4_10: | |
1710 | strncpy(hba->chip_num, "BCM57840", BCM_CHIP_LEN); | |
1711 | break; | |
1712 | default: | |
1713 | pr_err(PFX "Unknown device id 0x%x\n", pdev->device); | |
1714 | break; | |
1715 | } | |
1716 | pci_dev_get(hba->pcidev); | |
853e2bd2 BG |
1717 | return 0; |
1718 | } | |
1719 | ||
1720 | static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba) | |
1721 | { | |
c13d2b6d BPG |
1722 | if (hba->pcidev) { |
1723 | hba->chip_num[0] = '\0'; | |
853e2bd2 | 1724 | pci_dev_put(hba->pcidev); |
c13d2b6d | 1725 | } |
853e2bd2 BG |
1726 | hba->pcidev = NULL; |
1727 | } | |
1728 | ||
2e499d3c BW |
1729 | /** |
1730 | * bnx2fc_ulp_get_stats - cnic callback to populate FCoE stats | |
1731 | * | |
1732 | * @handle: transport handle pointing to adapter struture | |
1733 | */ | |
1734 | static int bnx2fc_ulp_get_stats(void *handle) | |
1735 | { | |
1736 | struct bnx2fc_hba *hba = handle; | |
1737 | struct cnic_dev *cnic; | |
1738 | struct fcoe_stats_info *stats_addr; | |
1739 | ||
1740 | if (!hba) | |
1741 | return -EINVAL; | |
1742 | ||
1743 | cnic = hba->cnic; | |
1744 | stats_addr = &cnic->stats_addr->fcoe_stat; | |
1745 | if (!stats_addr) | |
1746 | return -EINVAL; | |
1747 | ||
1748 | strncpy(stats_addr->version, BNX2FC_VERSION, | |
1749 | sizeof(stats_addr->version)); | |
1750 | stats_addr->txq_size = BNX2FC_SQ_WQES_MAX; | |
1751 | stats_addr->rxq_size = BNX2FC_CQ_WQES_MAX; | |
1752 | ||
1753 | return 0; | |
1754 | } | |
853e2bd2 BG |
1755 | |
1756 | ||
1757 | /** | |
1758 | * bnx2fc_ulp_start - cnic callback to initialize & start adapter instance | |
1759 | * | |
59e13d48 | 1760 | * @handle: transport handle pointing to adapter structure |
853e2bd2 BG |
1761 | * |
1762 | * This function maps adapter structure to pcidev structure and initiates | |
1763 | * firmware handshake to enable/initialize on-chip FCoE components. | |
1764 | * This bnx2fc - cnic interface api callback is used after following | |
1765 | * conditions are met - | |
1766 | * a) underlying network interface is up (marked by event NETDEV_UP | |
1767 | * from netdev | |
1768 | * b) bnx2fc adatper structure is registered. | |
1769 | */ | |
1770 | static void bnx2fc_ulp_start(void *handle) | |
1771 | { | |
1772 | struct bnx2fc_hba *hba = handle; | |
aea71a02 | 1773 | struct bnx2fc_interface *interface; |
fd8f8902 | 1774 | struct fcoe_ctlr *ctlr; |
aea71a02 | 1775 | struct fc_lport *lport; |
853e2bd2 | 1776 | |
853e2bd2 BG |
1777 | mutex_lock(&bnx2fc_dev_lock); |
1778 | ||
aea71a02 | 1779 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) |
853e2bd2 BG |
1780 | bnx2fc_fw_init(hba); |
1781 | ||
853e2bd2 BG |
1782 | BNX2FC_MISC_DBG("bnx2fc started.\n"); |
1783 | ||
aea71a02 BPG |
1784 | list_for_each_entry(interface, &if_list, list) { |
1785 | if (interface->hba == hba) { | |
fd8f8902 RL |
1786 | ctlr = bnx2fc_to_ctlr(interface); |
1787 | lport = ctlr->lp; | |
aea71a02 BPG |
1788 | /* Kick off Fabric discovery*/ |
1789 | printk(KERN_ERR PFX "ulp_init: start discovery\n"); | |
1790 | lport->tt.frame_send = bnx2fc_xmit; | |
1791 | bnx2fc_start_disc(interface); | |
1792 | } | |
853e2bd2 | 1793 | } |
aea71a02 BPG |
1794 | |
1795 | mutex_unlock(&bnx2fc_dev_lock); | |
853e2bd2 BG |
1796 | } |
1797 | ||
1798 | static void bnx2fc_port_shutdown(struct fc_lport *lport) | |
1799 | { | |
1800 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
1801 | fc_fabric_logoff(lport); | |
1802 | fc_lport_destroy(lport); | |
1803 | } | |
1804 | ||
aea71a02 | 1805 | static void bnx2fc_stop(struct bnx2fc_interface *interface) |
853e2bd2 | 1806 | { |
fd8f8902 | 1807 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
853e2bd2 BG |
1808 | struct fc_lport *lport; |
1809 | struct fc_lport *vport; | |
1810 | ||
aea71a02 BPG |
1811 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) |
1812 | return; | |
853e2bd2 | 1813 | |
fd8f8902 | 1814 | lport = ctlr->lp; |
aea71a02 BPG |
1815 | bnx2fc_port_shutdown(lport); |
1816 | ||
1817 | mutex_lock(&lport->lp_mutex); | |
1818 | list_for_each_entry(vport, &lport->vports, list) | |
1819 | fc_host_port_type(vport->host) = | |
1820 | FC_PORTTYPE_UNKNOWN; | |
1821 | mutex_unlock(&lport->lp_mutex); | |
1822 | fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN; | |
fd8f8902 | 1823 | fcoe_ctlr_link_down(ctlr); |
aea71a02 | 1824 | fcoe_clean_pending_queue(lport); |
853e2bd2 BG |
1825 | } |
1826 | ||
1827 | static int bnx2fc_fw_init(struct bnx2fc_hba *hba) | |
1828 | { | |
1829 | #define BNX2FC_INIT_POLL_TIME (1000 / HZ) | |
1830 | int rc = -1; | |
1831 | int i = HZ; | |
1832 | ||
1833 | rc = bnx2fc_bind_adapter_devices(hba); | |
1834 | if (rc) { | |
1835 | printk(KERN_ALERT PFX | |
1836 | "bnx2fc_bind_adapter_devices failed - rc = %d\n", rc); | |
1837 | goto err_out; | |
1838 | } | |
1839 | ||
1840 | rc = bnx2fc_send_fw_fcoe_init_msg(hba); | |
1841 | if (rc) { | |
1842 | printk(KERN_ALERT PFX | |
1843 | "bnx2fc_send_fw_fcoe_init_msg failed - rc = %d\n", rc); | |
1844 | goto err_unbind; | |
1845 | } | |
1846 | ||
1847 | /* | |
1848 | * Wait until the adapter init message is complete, and adapter | |
1849 | * state is UP. | |
1850 | */ | |
1851 | while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && i--) | |
1852 | msleep(BNX2FC_INIT_POLL_TIME); | |
1853 | ||
1854 | if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state)) { | |
1855 | printk(KERN_ERR PFX "bnx2fc_start: %s failed to initialize. " | |
1856 | "Ignoring...\n", | |
1857 | hba->cnic->netdev->name); | |
1858 | rc = -1; | |
1859 | goto err_unbind; | |
1860 | } | |
1861 | ||
1862 | ||
aea71a02 | 1863 | set_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags); |
853e2bd2 BG |
1864 | return 0; |
1865 | ||
1866 | err_unbind: | |
1867 | bnx2fc_unbind_adapter_devices(hba); | |
1868 | err_out: | |
1869 | return rc; | |
1870 | } | |
1871 | ||
1872 | static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba) | |
1873 | { | |
aea71a02 | 1874 | if (test_and_clear_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) { |
853e2bd2 BG |
1875 | if (bnx2fc_send_fw_fcoe_destroy_msg(hba) == 0) { |
1876 | init_timer(&hba->destroy_timer); | |
1877 | hba->destroy_timer.expires = BNX2FC_FW_TIMEOUT + | |
1878 | jiffies; | |
1879 | hba->destroy_timer.function = bnx2fc_destroy_timer; | |
1880 | hba->destroy_timer.data = (unsigned long)hba; | |
1881 | add_timer(&hba->destroy_timer); | |
1882 | wait_event_interruptible(hba->destroy_wait, | |
aea71a02 BPG |
1883 | test_bit(BNX2FC_FLAG_DESTROY_CMPL, |
1884 | &hba->flags)); | |
cd703ae7 | 1885 | clear_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags); |
853e2bd2 BG |
1886 | /* This should never happen */ |
1887 | if (signal_pending(current)) | |
1888 | flush_signals(current); | |
1889 | ||
1890 | del_timer_sync(&hba->destroy_timer); | |
1891 | } | |
1892 | bnx2fc_unbind_adapter_devices(hba); | |
1893 | } | |
1894 | } | |
1895 | ||
1896 | /** | |
1897 | * bnx2fc_ulp_stop - cnic callback to shutdown adapter instance | |
1898 | * | |
1899 | * @handle: transport handle pointing to adapter structure | |
1900 | * | |
1901 | * Driver checks if adapter is already in shutdown mode, if not start | |
1902 | * the shutdown process. | |
1903 | */ | |
1904 | static void bnx2fc_ulp_stop(void *handle) | |
1905 | { | |
aea71a02 BPG |
1906 | struct bnx2fc_hba *hba = handle; |
1907 | struct bnx2fc_interface *interface; | |
853e2bd2 BG |
1908 | |
1909 | printk(KERN_ERR "ULP_STOP\n"); | |
1910 | ||
1911 | mutex_lock(&bnx2fc_dev_lock); | |
aea71a02 BPG |
1912 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) |
1913 | goto exit; | |
1914 | list_for_each_entry(interface, &if_list, list) { | |
1915 | if (interface->hba == hba) | |
1916 | bnx2fc_stop(interface); | |
1917 | } | |
1918 | BUG_ON(hba->num_ofld_sess != 0); | |
1919 | ||
1920 | mutex_lock(&hba->hba_mutex); | |
1921 | clear_bit(ADAPTER_STATE_UP, &hba->adapter_state); | |
1922 | clear_bit(ADAPTER_STATE_GOING_DOWN, | |
1923 | &hba->adapter_state); | |
1924 | ||
1925 | clear_bit(ADAPTER_STATE_READY, &hba->adapter_state); | |
1926 | mutex_unlock(&hba->hba_mutex); | |
1927 | ||
853e2bd2 | 1928 | bnx2fc_fw_destroy(hba); |
aea71a02 | 1929 | exit: |
853e2bd2 BG |
1930 | mutex_unlock(&bnx2fc_dev_lock); |
1931 | } | |
1932 | ||
aea71a02 | 1933 | static void bnx2fc_start_disc(struct bnx2fc_interface *interface) |
853e2bd2 | 1934 | { |
fd8f8902 | 1935 | struct fcoe_ctlr *ctlr = bnx2fc_to_ctlr(interface); |
853e2bd2 BG |
1936 | struct fc_lport *lport; |
1937 | int wait_cnt = 0; | |
1938 | ||
1939 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
1940 | /* Kick off FIP/FLOGI */ | |
aea71a02 | 1941 | if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) { |
853e2bd2 BG |
1942 | printk(KERN_ERR PFX "Init not done yet\n"); |
1943 | return; | |
1944 | } | |
1945 | ||
fd8f8902 | 1946 | lport = ctlr->lp; |
853e2bd2 BG |
1947 | BNX2FC_HBA_DBG(lport, "calling fc_fabric_login\n"); |
1948 | ||
8a5badf1 | 1949 | if (!bnx2fc_link_ok(lport) && interface->enabled) { |
853e2bd2 | 1950 | BNX2FC_HBA_DBG(lport, "ctlr_link_up\n"); |
fd8f8902 | 1951 | fcoe_ctlr_link_up(ctlr); |
853e2bd2 | 1952 | fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT; |
aea71a02 | 1953 | set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state); |
853e2bd2 BG |
1954 | } |
1955 | ||
1956 | /* wait for the FCF to be selected before issuing FLOGI */ | |
fd8f8902 | 1957 | while (!ctlr->sel_fcf) { |
853e2bd2 BG |
1958 | msleep(250); |
1959 | /* give up after 3 secs */ | |
1960 | if (++wait_cnt > 12) | |
1961 | break; | |
1962 | } | |
627e628f BPG |
1963 | |
1964 | /* Reset max receive frame size to default */ | |
1965 | if (fc_set_mfs(lport, BNX2FC_MFS)) | |
1966 | return; | |
1967 | ||
853e2bd2 BG |
1968 | fc_lport_init(lport); |
1969 | fc_fabric_login(lport); | |
1970 | } | |
1971 | ||
1972 | ||
1973 | /** | |
1974 | * bnx2fc_ulp_init - Initialize an adapter instance | |
1975 | * | |
1976 | * @dev : cnic device handle | |
1977 | * Called from cnic_register_driver() context to initialize all | |
1978 | * enumerated cnic devices. This routine allocates adapter structure | |
1979 | * and other device specific resources. | |
1980 | */ | |
1981 | static void bnx2fc_ulp_init(struct cnic_dev *dev) | |
1982 | { | |
1983 | struct bnx2fc_hba *hba; | |
1984 | int rc = 0; | |
1985 | ||
1986 | BNX2FC_MISC_DBG("Entered %s\n", __func__); | |
1987 | /* bnx2fc works only when bnx2x is loaded */ | |
aea71a02 BPG |
1988 | if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags) || |
1989 | (dev->max_fcoe_conn == 0)) { | |
853e2bd2 | 1990 | printk(KERN_ERR PFX "bnx2fc FCoE not supported on %s," |
aea71a02 BPG |
1991 | " flags: %lx fcoe_conn: %d\n", |
1992 | dev->netdev->name, dev->flags, dev->max_fcoe_conn); | |
853e2bd2 BG |
1993 | return; |
1994 | } | |
1995 | ||
aea71a02 | 1996 | hba = bnx2fc_hba_create(dev); |
853e2bd2 BG |
1997 | if (!hba) { |
1998 | printk(KERN_ERR PFX "hba initialization failed\n"); | |
1999 | return; | |
2000 | } | |
2001 | ||
2002 | /* Add HBA to the adapter list */ | |
2003 | mutex_lock(&bnx2fc_dev_lock); | |
aea71a02 | 2004 | list_add_tail(&hba->list, &adapter_list); |
853e2bd2 BG |
2005 | adapter_count++; |
2006 | mutex_unlock(&bnx2fc_dev_lock); | |
2007 | ||
2e499d3c | 2008 | dev->fcoe_cap = &hba->fcoe_cap; |
853e2bd2 BG |
2009 | clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic); |
2010 | rc = dev->register_device(dev, CNIC_ULP_FCOE, | |
2011 | (void *) hba); | |
2012 | if (rc) | |
b2a554ff | 2013 | printk(KERN_ERR PFX "register_device failed, rc = %d\n", rc); |
853e2bd2 BG |
2014 | else |
2015 | set_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic); | |
2016 | } | |
2017 | ||
0680810c EW |
2018 | /* Assumes rtnl_lock and the bnx2fc_dev_lock are already taken */ |
2019 | static int __bnx2fc_disable(struct fcoe_ctlr *ctlr) | |
2020 | { | |
2021 | struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr); | |
2022 | ||
2023 | if (interface->enabled == true) { | |
2024 | if (!ctlr->lp) { | |
2025 | pr_err(PFX "__bnx2fc_disable: lport not found\n"); | |
2026 | return -ENODEV; | |
2027 | } else { | |
2028 | interface->enabled = false; | |
2029 | fcoe_ctlr_link_down(ctlr); | |
2030 | fcoe_clean_pending_queue(ctlr->lp); | |
2031 | } | |
2032 | } | |
2033 | return 0; | |
2034 | } | |
2035 | ||
6e89ea3f RL |
2036 | /** |
2037 | * Deperecated: Use bnx2fc_enabled() | |
2038 | */ | |
853e2bd2 BG |
2039 | static int bnx2fc_disable(struct net_device *netdev) |
2040 | { | |
aea71a02 | 2041 | struct bnx2fc_interface *interface; |
fd8f8902 | 2042 | struct fcoe_ctlr *ctlr; |
853e2bd2 BG |
2043 | int rc = 0; |
2044 | ||
6702ca1d | 2045 | rtnl_lock(); |
853e2bd2 BG |
2046 | mutex_lock(&bnx2fc_dev_lock); |
2047 | ||
aea71a02 | 2048 | interface = bnx2fc_interface_lookup(netdev); |
fd8f8902 | 2049 | ctlr = bnx2fc_to_ctlr(interface); |
0680810c EW |
2050 | |
2051 | if (!interface) { | |
853e2bd2 | 2052 | rc = -ENODEV; |
0680810c | 2053 | pr_err(PFX "bnx2fc_disable: interface not found\n"); |
853e2bd2 | 2054 | } else { |
0680810c | 2055 | rc = __bnx2fc_disable(ctlr); |
853e2bd2 | 2056 | } |
853e2bd2 BG |
2057 | mutex_unlock(&bnx2fc_dev_lock); |
2058 | rtnl_unlock(); | |
2059 | return rc; | |
2060 | } | |
2061 | ||
2971ff67 JC |
2062 | static uint bnx2fc_npiv_create_vports(struct fc_lport *lport, |
2063 | struct cnic_fc_npiv_tbl *npiv_tbl) | |
2064 | { | |
2065 | struct fc_vport_identifiers vpid; | |
2066 | uint i, created = 0; | |
2067 | ||
2068 | if (npiv_tbl->count > MAX_NPIV_ENTRIES) { | |
2069 | BNX2FC_HBA_DBG(lport, "Exceeded count max of npiv table\n"); | |
2070 | goto done; | |
2071 | } | |
2072 | ||
2073 | /* Sanity check the first entry to make sure it's not 0 */ | |
2074 | if (wwn_to_u64(npiv_tbl->wwnn[0]) == 0 && | |
2075 | wwn_to_u64(npiv_tbl->wwpn[0]) == 0) { | |
2076 | BNX2FC_HBA_DBG(lport, "First NPIV table entries invalid.\n"); | |
2077 | goto done; | |
2078 | } | |
2079 | ||
2080 | vpid.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
2081 | vpid.vport_type = FC_PORTTYPE_NPIV; | |
2082 | vpid.disable = false; | |
2083 | ||
2084 | for (i = 0; i < npiv_tbl->count; i++) { | |
2085 | vpid.node_name = wwn_to_u64(npiv_tbl->wwnn[i]); | |
2086 | vpid.port_name = wwn_to_u64(npiv_tbl->wwpn[i]); | |
2087 | scnprintf(vpid.symbolic_name, sizeof(vpid.symbolic_name), | |
2088 | "NPIV[%u]:%016llx-%016llx", | |
2089 | created, vpid.port_name, vpid.node_name); | |
2090 | if (fc_vport_create(lport->host, 0, &vpid)) | |
2091 | created++; | |
2092 | else | |
2093 | BNX2FC_HBA_DBG(lport, "Failed to create vport\n"); | |
2094 | } | |
2095 | done: | |
2096 | return created; | |
2097 | } | |
2098 | ||
0680810c EW |
2099 | static int __bnx2fc_enable(struct fcoe_ctlr *ctlr) |
2100 | { | |
2101 | struct bnx2fc_interface *interface = fcoe_ctlr_priv(ctlr); | |
2971ff67 | 2102 | struct bnx2fc_hba *hba; |
720ba808 | 2103 | struct cnic_fc_npiv_tbl *npiv_tbl; |
2971ff67 | 2104 | struct fc_lport *lport; |
0680810c EW |
2105 | |
2106 | if (interface->enabled == false) { | |
2107 | if (!ctlr->lp) { | |
2108 | pr_err(PFX "__bnx2fc_enable: lport not found\n"); | |
2109 | return -ENODEV; | |
2110 | } else if (!bnx2fc_link_ok(ctlr->lp)) { | |
2111 | fcoe_ctlr_link_up(ctlr); | |
2112 | interface->enabled = true; | |
2113 | } | |
2114 | } | |
2971ff67 JC |
2115 | |
2116 | /* Create static NPIV ports if any are contained in NVRAM */ | |
2117 | hba = interface->hba; | |
2118 | lport = ctlr->lp; | |
2119 | ||
2120 | if (!hba) | |
2121 | goto done; | |
2122 | ||
2123 | if (!hba->cnic) | |
2124 | goto done; | |
2125 | ||
2126 | if (!lport) | |
2127 | goto done; | |
2128 | ||
2129 | if (!lport->host) | |
2130 | goto done; | |
2131 | ||
2132 | if (!hba->cnic->get_fc_npiv_tbl) | |
2133 | goto done; | |
2134 | ||
720ba808 AB |
2135 | npiv_tbl = kzalloc(sizeof(struct cnic_fc_npiv_tbl), GFP_KERNEL); |
2136 | if (!npiv_tbl) | |
2971ff67 JC |
2137 | goto done; |
2138 | ||
720ba808 AB |
2139 | if (hba->cnic->get_fc_npiv_tbl(hba->cnic, npiv_tbl)) |
2140 | goto done_free; | |
2141 | ||
2142 | bnx2fc_npiv_create_vports(lport, npiv_tbl); | |
2143 | done_free: | |
2144 | kfree(npiv_tbl); | |
2971ff67 | 2145 | done: |
0680810c EW |
2146 | return 0; |
2147 | } | |
2148 | ||
6e89ea3f RL |
2149 | /** |
2150 | * Deprecated: Use bnx2fc_enabled() | |
2151 | */ | |
853e2bd2 BG |
2152 | static int bnx2fc_enable(struct net_device *netdev) |
2153 | { | |
aea71a02 | 2154 | struct bnx2fc_interface *interface; |
fd8f8902 | 2155 | struct fcoe_ctlr *ctlr; |
853e2bd2 BG |
2156 | int rc = 0; |
2157 | ||
6702ca1d | 2158 | rtnl_lock(); |
853e2bd2 BG |
2159 | mutex_lock(&bnx2fc_dev_lock); |
2160 | ||
aea71a02 | 2161 | interface = bnx2fc_interface_lookup(netdev); |
fd8f8902 | 2162 | ctlr = bnx2fc_to_ctlr(interface); |
0680810c | 2163 | if (!interface) { |
853e2bd2 | 2164 | rc = -ENODEV; |
0680810c EW |
2165 | pr_err(PFX "bnx2fc_enable: interface not found\n"); |
2166 | } else { | |
2167 | rc = __bnx2fc_enable(ctlr); | |
8a5badf1 | 2168 | } |
853e2bd2 | 2169 | |
853e2bd2 BG |
2170 | mutex_unlock(&bnx2fc_dev_lock); |
2171 | rtnl_unlock(); | |
2172 | return rc; | |
2173 | } | |
2174 | ||
2175 | /** | |
6e89ea3f RL |
2176 | * bnx2fc_ctlr_enabled() - Enable or disable an FCoE Controller |
2177 | * @cdev: The FCoE Controller that is being enabled or disabled | |
853e2bd2 | 2178 | * |
6e89ea3f RL |
2179 | * fcoe_sysfs will ensure that the state of 'enabled' has |
2180 | * changed, so no checking is necessary here. This routine simply | |
2181 | * calls fcoe_enable or fcoe_disable, both of which are deprecated. | |
2182 | * When those routines are removed the functionality can be merged | |
2183 | * here. | |
2184 | */ | |
2185 | static int bnx2fc_ctlr_enabled(struct fcoe_ctlr_device *cdev) | |
2186 | { | |
2187 | struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(cdev); | |
6e89ea3f RL |
2188 | |
2189 | switch (cdev->enabled) { | |
2190 | case FCOE_CTLR_ENABLED: | |
0680810c | 2191 | return __bnx2fc_enable(ctlr); |
6e89ea3f | 2192 | case FCOE_CTLR_DISABLED: |
0680810c | 2193 | return __bnx2fc_disable(ctlr); |
6e89ea3f RL |
2194 | case FCOE_CTLR_UNUSED: |
2195 | default: | |
2196 | return -ENOTSUPP; | |
2197 | }; | |
2198 | } | |
2199 | ||
2200 | enum bnx2fc_create_link_state { | |
2201 | BNX2FC_CREATE_LINK_DOWN, | |
2202 | BNX2FC_CREATE_LINK_UP, | |
2203 | }; | |
2204 | ||
2205 | /** | |
2206 | * _bnx2fc_create() - Create bnx2fc FCoE interface | |
2207 | * @netdev : The net_device object the Ethernet interface to create on | |
2208 | * @fip_mode: The FIP mode for this creation | |
2209 | * @link_state: The ctlr link state on creation | |
853e2bd2 | 2210 | * |
6e89ea3f RL |
2211 | * Called from either the libfcoe 'create' module parameter |
2212 | * via fcoe_create or from fcoe_syfs's ctlr_create file. | |
853e2bd2 | 2213 | * |
6e89ea3f RL |
2214 | * libfcoe's 'create' module parameter is deprecated so some |
2215 | * consolidation of code can be done when that interface is | |
2216 | * removed. | |
853e2bd2 BG |
2217 | * |
2218 | * Returns: 0 for success | |
2219 | */ | |
6e89ea3f RL |
2220 | static int _bnx2fc_create(struct net_device *netdev, |
2221 | enum fip_state fip_mode, | |
2222 | enum bnx2fc_create_link_state link_state) | |
853e2bd2 | 2223 | { |
6e89ea3f | 2224 | struct fcoe_ctlr_device *cdev; |
fd8f8902 | 2225 | struct fcoe_ctlr *ctlr; |
aea71a02 | 2226 | struct bnx2fc_interface *interface; |
853e2bd2 | 2227 | struct bnx2fc_hba *hba; |
7adc5a37 | 2228 | struct net_device *phys_dev = netdev; |
853e2bd2 BG |
2229 | struct fc_lport *lport; |
2230 | struct ethtool_drvinfo drvinfo; | |
2231 | int rc = 0; | |
7adc5a37 | 2232 | int vlan_id = 0; |
853e2bd2 BG |
2233 | |
2234 | BNX2FC_MISC_DBG("Entered bnx2fc_create\n"); | |
2235 | if (fip_mode != FIP_MODE_FABRIC) { | |
2236 | printk(KERN_ERR "fip mode not FABRIC\n"); | |
2237 | return -EIO; | |
2238 | } | |
2239 | ||
6702ca1d NS |
2240 | rtnl_lock(); |
2241 | ||
853e2bd2 BG |
2242 | mutex_lock(&bnx2fc_dev_lock); |
2243 | ||
853e2bd2 BG |
2244 | if (!try_module_get(THIS_MODULE)) { |
2245 | rc = -EINVAL; | |
2246 | goto mod_err; | |
2247 | } | |
2248 | ||
2249 | /* obtain physical netdev */ | |
7adc5a37 | 2250 | if (netdev->priv_flags & IFF_802_1Q_VLAN) |
853e2bd2 | 2251 | phys_dev = vlan_dev_real_dev(netdev); |
7adc5a37 | 2252 | |
853e2bd2 BG |
2253 | /* verify if the physical device is a netxtreme2 device */ |
2254 | if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) { | |
2255 | memset(&drvinfo, 0, sizeof(drvinfo)); | |
2256 | phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo); | |
aea71a02 | 2257 | if (strncmp(drvinfo.driver, "bnx2x", strlen("bnx2x"))) { |
853e2bd2 BG |
2258 | printk(KERN_ERR PFX "Not a netxtreme2 device\n"); |
2259 | rc = -EINVAL; | |
2260 | goto netdev_err; | |
2261 | } | |
2262 | } else { | |
2263 | printk(KERN_ERR PFX "unable to obtain drv_info\n"); | |
2264 | rc = -EINVAL; | |
2265 | goto netdev_err; | |
2266 | } | |
2267 | ||
aea71a02 | 2268 | /* obtain interface and initialize rest of the structure */ |
853e2bd2 BG |
2269 | hba = bnx2fc_hba_lookup(phys_dev); |
2270 | if (!hba) { | |
2271 | rc = -ENODEV; | |
2272 | printk(KERN_ERR PFX "bnx2fc_create: hba not found\n"); | |
2273 | goto netdev_err; | |
2274 | } | |
2275 | ||
aea71a02 | 2276 | if (bnx2fc_interface_lookup(netdev)) { |
853e2bd2 BG |
2277 | rc = -EEXIST; |
2278 | goto netdev_err; | |
2279 | } | |
2280 | ||
aea71a02 BPG |
2281 | interface = bnx2fc_interface_create(hba, netdev, fip_mode); |
2282 | if (!interface) { | |
2283 | printk(KERN_ERR PFX "bnx2fc_interface_create failed\n"); | |
2043e1fd | 2284 | rc = -ENOMEM; |
853e2bd2 BG |
2285 | goto ifput_err; |
2286 | } | |
2287 | ||
7adc5a37 BPG |
2288 | if (netdev->priv_flags & IFF_802_1Q_VLAN) { |
2289 | vlan_id = vlan_dev_vlan_id(netdev); | |
2290 | interface->vlan_enabled = 1; | |
2291 | } | |
2292 | ||
fd8f8902 | 2293 | ctlr = bnx2fc_to_ctlr(interface); |
01bdcb62 | 2294 | cdev = fcoe_ctlr_to_ctlr_dev(ctlr); |
aea71a02 | 2295 | interface->vlan_id = vlan_id; |
aea71a02 BPG |
2296 | |
2297 | interface->timer_work_queue = | |
853e2bd2 | 2298 | create_singlethread_workqueue("bnx2fc_timer_wq"); |
aea71a02 | 2299 | if (!interface->timer_work_queue) { |
853e2bd2 BG |
2300 | printk(KERN_ERR PFX "ulp_init could not create timer_wq\n"); |
2301 | rc = -EINVAL; | |
2302 | goto ifput_err; | |
2303 | } | |
2304 | ||
01bdcb62 | 2305 | lport = bnx2fc_if_create(interface, &cdev->dev, 0); |
853e2bd2 BG |
2306 | if (!lport) { |
2307 | printk(KERN_ERR PFX "Failed to create interface (%s)\n", | |
2308 | netdev->name); | |
853e2bd2 BG |
2309 | rc = -EINVAL; |
2310 | goto if_create_err; | |
2311 | } | |
2312 | ||
aea71a02 BPG |
2313 | /* Add interface to if_list */ |
2314 | list_add_tail(&interface->list, &if_list); | |
2315 | ||
853e2bd2 BG |
2316 | lport->boot_time = jiffies; |
2317 | ||
2318 | /* Make this master N_port */ | |
fd8f8902 | 2319 | ctlr->lp = lport; |
853e2bd2 | 2320 | |
6e89ea3f RL |
2321 | if (link_state == BNX2FC_CREATE_LINK_UP) |
2322 | cdev->enabled = FCOE_CTLR_ENABLED; | |
2323 | else | |
2324 | cdev->enabled = FCOE_CTLR_DISABLED; | |
2325 | ||
2326 | if (link_state == BNX2FC_CREATE_LINK_UP && | |
2327 | !bnx2fc_link_ok(lport)) { | |
fd8f8902 | 2328 | fcoe_ctlr_link_up(ctlr); |
8a5badf1 BPG |
2329 | fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT; |
2330 | set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state); | |
2331 | } | |
2332 | ||
aea71a02 BPG |
2333 | BNX2FC_HBA_DBG(lport, "create: START DISC\n"); |
2334 | bnx2fc_start_disc(interface); | |
6e89ea3f RL |
2335 | |
2336 | if (link_state == BNX2FC_CREATE_LINK_UP) | |
2337 | interface->enabled = true; | |
2338 | ||
853e2bd2 BG |
2339 | /* |
2340 | * Release from kref_init in bnx2fc_interface_setup, on success | |
2341 | * lport should be holding a reference taken in bnx2fc_if_create | |
2342 | */ | |
aea71a02 | 2343 | bnx2fc_interface_put(interface); |
853e2bd2 BG |
2344 | /* put netdev that was held while calling dev_get_by_name */ |
2345 | mutex_unlock(&bnx2fc_dev_lock); | |
2346 | rtnl_unlock(); | |
2347 | return 0; | |
2348 | ||
2349 | if_create_err: | |
aea71a02 | 2350 | destroy_workqueue(interface->timer_work_queue); |
853e2bd2 | 2351 | ifput_err: |
013068fa | 2352 | bnx2fc_net_cleanup(interface); |
aea71a02 | 2353 | bnx2fc_interface_put(interface); |
7d742f65 | 2354 | goto mod_err; |
853e2bd2 BG |
2355 | netdev_err: |
2356 | module_put(THIS_MODULE); | |
2357 | mod_err: | |
2358 | mutex_unlock(&bnx2fc_dev_lock); | |
2359 | rtnl_unlock(); | |
2360 | return rc; | |
2361 | } | |
2362 | ||
6e89ea3f RL |
2363 | /** |
2364 | * bnx2fc_create() - Create a bnx2fc interface | |
2365 | * @netdev : The net_device object the Ethernet interface to create on | |
2366 | * @fip_mode: The FIP mode for this creation | |
2367 | * | |
2368 | * Called from fcoe transport | |
2369 | * | |
2370 | * Returns: 0 for success | |
2371 | */ | |
2372 | static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode) | |
2373 | { | |
2374 | return _bnx2fc_create(netdev, fip_mode, BNX2FC_CREATE_LINK_UP); | |
2375 | } | |
2376 | ||
2377 | /** | |
2378 | * bnx2fc_ctlr_alloc() - Allocate a bnx2fc interface from fcoe_sysfs | |
2379 | * @netdev: The net_device to be used by the allocated FCoE Controller | |
2380 | * | |
2381 | * This routine is called from fcoe_sysfs. It will start the fcoe_ctlr | |
2382 | * in a link_down state. The allows the user an opportunity to configure | |
2383 | * the FCoE Controller from sysfs before enabling the FCoE Controller. | |
2384 | * | |
2385 | * Creating in with this routine starts the FCoE Controller in Fabric | |
2386 | * mode. The user can change to VN2VN or another mode before enabling. | |
2387 | */ | |
2388 | static int bnx2fc_ctlr_alloc(struct net_device *netdev) | |
2389 | { | |
2390 | return _bnx2fc_create(netdev, FIP_MODE_FABRIC, | |
2391 | BNX2FC_CREATE_LINK_DOWN); | |
2392 | } | |
2393 | ||
853e2bd2 | 2394 | /** |
aea71a02 | 2395 | * bnx2fc_find_hba_for_cnic - maps cnic instance to bnx2fc hba instance |
853e2bd2 BG |
2396 | * |
2397 | * @cnic: Pointer to cnic device instance | |
2398 | * | |
2399 | **/ | |
2400 | static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic) | |
2401 | { | |
853e2bd2 BG |
2402 | struct bnx2fc_hba *hba; |
2403 | ||
2404 | /* Called with bnx2fc_dev_lock held */ | |
d71fb3bd | 2405 | list_for_each_entry(hba, &adapter_list, list) { |
853e2bd2 BG |
2406 | if (hba->cnic == cnic) |
2407 | return hba; | |
2408 | } | |
2409 | return NULL; | |
2410 | } | |
2411 | ||
aea71a02 BPG |
2412 | static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device |
2413 | *netdev) | |
2414 | { | |
2415 | struct bnx2fc_interface *interface; | |
2416 | ||
2417 | /* Called with bnx2fc_dev_lock held */ | |
2418 | list_for_each_entry(interface, &if_list, list) { | |
2419 | if (interface->netdev == netdev) | |
2420 | return interface; | |
2421 | } | |
2422 | return NULL; | |
2423 | } | |
2424 | ||
2425 | static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device | |
2426 | *phys_dev) | |
853e2bd2 | 2427 | { |
853e2bd2 BG |
2428 | struct bnx2fc_hba *hba; |
2429 | ||
2430 | /* Called with bnx2fc_dev_lock held */ | |
aea71a02 | 2431 | list_for_each_entry(hba, &adapter_list, list) { |
853e2bd2 BG |
2432 | if (hba->phys_dev == phys_dev) |
2433 | return hba; | |
2434 | } | |
aea71a02 | 2435 | printk(KERN_ERR PFX "adapter_lookup: hba NULL\n"); |
853e2bd2 BG |
2436 | return NULL; |
2437 | } | |
2438 | ||
2439 | /** | |
2440 | * bnx2fc_ulp_exit - shuts down adapter instance and frees all resources | |
2441 | * | |
2442 | * @dev cnic device handle | |
2443 | */ | |
2444 | static void bnx2fc_ulp_exit(struct cnic_dev *dev) | |
2445 | { | |
2446 | struct bnx2fc_hba *hba; | |
aea71a02 | 2447 | struct bnx2fc_interface *interface, *tmp; |
853e2bd2 BG |
2448 | |
2449 | BNX2FC_MISC_DBG("Entered bnx2fc_ulp_exit\n"); | |
2450 | ||
2451 | if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) { | |
2452 | printk(KERN_ERR PFX "bnx2fc port check: %s, flags: %lx\n", | |
2453 | dev->netdev->name, dev->flags); | |
2454 | return; | |
2455 | } | |
2456 | ||
2457 | mutex_lock(&bnx2fc_dev_lock); | |
2458 | hba = bnx2fc_find_hba_for_cnic(dev); | |
2459 | if (!hba) { | |
2460 | printk(KERN_ERR PFX "bnx2fc_ulp_exit: hba not found, dev 0%p\n", | |
2461 | dev); | |
2462 | mutex_unlock(&bnx2fc_dev_lock); | |
2463 | return; | |
2464 | } | |
2465 | ||
aea71a02 | 2466 | list_del_init(&hba->list); |
853e2bd2 BG |
2467 | adapter_count--; |
2468 | ||
abc49a93 | 2469 | list_for_each_entry_safe(interface, tmp, &if_list, list) |
853e2bd2 | 2470 | /* destroy not called yet, move to quiesced list */ |
abc49a93 | 2471 | if (interface->hba == hba) |
eccdcd02 | 2472 | __bnx2fc_destroy(interface); |
853e2bd2 BG |
2473 | mutex_unlock(&bnx2fc_dev_lock); |
2474 | ||
06c4f20d EW |
2475 | /* Ensure ALL destroy work has been completed before return */ |
2476 | flush_workqueue(bnx2fc_wq); | |
2477 | ||
853e2bd2 BG |
2478 | bnx2fc_ulp_stop(hba); |
2479 | /* unregister cnic device */ | |
2480 | if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic)) | |
2481 | hba->cnic->unregister_device(hba->cnic, CNIC_ULP_FCOE); | |
aea71a02 | 2482 | bnx2fc_hba_destroy(hba); |
853e2bd2 BG |
2483 | } |
2484 | ||
2485 | /** | |
2486 | * bnx2fc_fcoe_reset - Resets the fcoe | |
2487 | * | |
2488 | * @shost: shost the reset is from | |
2489 | * | |
2490 | * Returns: always 0 | |
2491 | */ | |
2492 | static int bnx2fc_fcoe_reset(struct Scsi_Host *shost) | |
2493 | { | |
2494 | struct fc_lport *lport = shost_priv(shost); | |
2495 | fc_lport_reset(lport); | |
2496 | return 0; | |
2497 | } | |
2498 | ||
2499 | ||
2500 | static bool bnx2fc_match(struct net_device *netdev) | |
2501 | { | |
7adc5a37 BPG |
2502 | struct net_device *phys_dev = netdev; |
2503 | ||
853e2bd2 | 2504 | mutex_lock(&bnx2fc_dev_lock); |
7adc5a37 BPG |
2505 | if (netdev->priv_flags & IFF_802_1Q_VLAN) |
2506 | phys_dev = vlan_dev_real_dev(netdev); | |
853e2bd2 | 2507 | |
7adc5a37 BPG |
2508 | if (bnx2fc_hba_lookup(phys_dev)) { |
2509 | mutex_unlock(&bnx2fc_dev_lock); | |
2510 | return true; | |
853e2bd2 | 2511 | } |
7adc5a37 | 2512 | |
853e2bd2 BG |
2513 | mutex_unlock(&bnx2fc_dev_lock); |
2514 | return false; | |
2515 | } | |
2516 | ||
2517 | ||
2518 | static struct fcoe_transport bnx2fc_transport = { | |
2519 | .name = {"bnx2fc"}, | |
2520 | .attached = false, | |
2521 | .list = LIST_HEAD_INIT(bnx2fc_transport.list), | |
6e89ea3f | 2522 | .alloc = bnx2fc_ctlr_alloc, |
853e2bd2 BG |
2523 | .match = bnx2fc_match, |
2524 | .create = bnx2fc_create, | |
2525 | .destroy = bnx2fc_destroy, | |
2526 | .enable = bnx2fc_enable, | |
2527 | .disable = bnx2fc_disable, | |
2528 | }; | |
2529 | ||
2530 | /** | |
2531 | * bnx2fc_percpu_thread_create - Create a receive thread for an | |
2532 | * online CPU | |
2533 | * | |
2534 | * @cpu: cpu index for the online cpu | |
2535 | */ | |
2536 | static void bnx2fc_percpu_thread_create(unsigned int cpu) | |
2537 | { | |
2538 | struct bnx2fc_percpu_s *p; | |
2539 | struct task_struct *thread; | |
2540 | ||
2541 | p = &per_cpu(bnx2fc_percpu, cpu); | |
2542 | ||
69614270 ED |
2543 | thread = kthread_create_on_node(bnx2fc_percpu_io_thread, |
2544 | (void *)p, cpu_to_node(cpu), | |
2545 | "bnx2fc_thread/%d", cpu); | |
853e2bd2 | 2546 | /* bind thread to the cpu */ |
32248763 | 2547 | if (likely(!IS_ERR(thread))) { |
853e2bd2 BG |
2548 | kthread_bind(thread, cpu); |
2549 | p->iothread = thread; | |
2550 | wake_up_process(thread); | |
2551 | } | |
2552 | } | |
2553 | ||
2554 | static void bnx2fc_percpu_thread_destroy(unsigned int cpu) | |
2555 | { | |
2556 | struct bnx2fc_percpu_s *p; | |
2557 | struct task_struct *thread; | |
2558 | struct bnx2fc_work *work, *tmp; | |
853e2bd2 BG |
2559 | |
2560 | BNX2FC_MISC_DBG("destroying io thread for CPU %d\n", cpu); | |
2561 | ||
2562 | /* Prevent any new work from being queued for this CPU */ | |
2563 | p = &per_cpu(bnx2fc_percpu, cpu); | |
2564 | spin_lock_bh(&p->fp_work_lock); | |
2565 | thread = p->iothread; | |
2566 | p->iothread = NULL; | |
2567 | ||
2568 | ||
2569 | /* Free all work in the list */ | |
32248763 | 2570 | list_for_each_entry_safe(work, tmp, &p->work_list, list) { |
853e2bd2 BG |
2571 | list_del_init(&work->list); |
2572 | bnx2fc_process_cq_compl(work->tgt, work->wqe); | |
2573 | kfree(work); | |
2574 | } | |
2575 | ||
2576 | spin_unlock_bh(&p->fp_work_lock); | |
2577 | ||
2578 | if (thread) | |
2579 | kthread_stop(thread); | |
2580 | } | |
2581 | ||
2582 | /** | |
2583 | * bnx2fc_cpu_callback - Handler for CPU hotplug events | |
2584 | * | |
2585 | * @nfb: The callback data block | |
2586 | * @action: The event triggering the callback | |
2587 | * @hcpu: The index of the CPU that the event is for | |
2588 | * | |
2589 | * This creates or destroys per-CPU data for fcoe | |
2590 | * | |
2591 | * Returns NOTIFY_OK always. | |
2592 | */ | |
2593 | static int bnx2fc_cpu_callback(struct notifier_block *nfb, | |
2594 | unsigned long action, void *hcpu) | |
2595 | { | |
2596 | unsigned cpu = (unsigned long)hcpu; | |
2597 | ||
2598 | switch (action) { | |
2599 | case CPU_ONLINE: | |
2600 | case CPU_ONLINE_FROZEN: | |
2601 | printk(PFX "CPU %x online: Create Rx thread\n", cpu); | |
2602 | bnx2fc_percpu_thread_create(cpu); | |
2603 | break; | |
2604 | case CPU_DEAD: | |
2605 | case CPU_DEAD_FROZEN: | |
2606 | printk(PFX "CPU %x offline: Remove Rx thread\n", cpu); | |
2607 | bnx2fc_percpu_thread_destroy(cpu); | |
2608 | break; | |
2609 | default: | |
2610 | break; | |
2611 | } | |
2612 | return NOTIFY_OK; | |
2613 | } | |
2614 | ||
2615 | /** | |
2616 | * bnx2fc_mod_init - module init entry point | |
2617 | * | |
2618 | * Initialize driver wide global data structures, and register | |
2619 | * with cnic module | |
2620 | **/ | |
2621 | static int __init bnx2fc_mod_init(void) | |
2622 | { | |
2623 | struct fcoe_percpu_s *bg; | |
2624 | struct task_struct *l2_thread; | |
2625 | int rc = 0; | |
2626 | unsigned int cpu = 0; | |
2627 | struct bnx2fc_percpu_s *p; | |
2628 | ||
2629 | printk(KERN_INFO PFX "%s", version); | |
2630 | ||
2631 | /* register as a fcoe transport */ | |
2632 | rc = fcoe_transport_attach(&bnx2fc_transport); | |
2633 | if (rc) { | |
2634 | printk(KERN_ERR "failed to register an fcoe transport, check " | |
2635 | "if libfcoe is loaded\n"); | |
2636 | goto out; | |
2637 | } | |
2638 | ||
2639 | INIT_LIST_HEAD(&adapter_list); | |
aea71a02 | 2640 | INIT_LIST_HEAD(&if_list); |
853e2bd2 BG |
2641 | mutex_init(&bnx2fc_dev_lock); |
2642 | adapter_count = 0; | |
2643 | ||
2644 | /* Attach FC transport template */ | |
2645 | rc = bnx2fc_attach_transport(); | |
2646 | if (rc) | |
2647 | goto detach_ft; | |
2648 | ||
2649 | bnx2fc_wq = alloc_workqueue("bnx2fc", 0, 0); | |
2650 | if (!bnx2fc_wq) { | |
2651 | rc = -ENOMEM; | |
2652 | goto release_bt; | |
2653 | } | |
2654 | ||
2655 | bg = &bnx2fc_global; | |
2656 | skb_queue_head_init(&bg->fcoe_rx_list); | |
2657 | l2_thread = kthread_create(bnx2fc_l2_rcv_thread, | |
2658 | (void *)bg, | |
2659 | "bnx2fc_l2_thread"); | |
2660 | if (IS_ERR(l2_thread)) { | |
2661 | rc = PTR_ERR(l2_thread); | |
2662 | goto free_wq; | |
2663 | } | |
2664 | wake_up_process(l2_thread); | |
2665 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
2666 | bg->thread = l2_thread; | |
2667 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
2668 | ||
2669 | for_each_possible_cpu(cpu) { | |
2670 | p = &per_cpu(bnx2fc_percpu, cpu); | |
2671 | INIT_LIST_HEAD(&p->work_list); | |
2672 | spin_lock_init(&p->fp_work_lock); | |
2673 | } | |
2674 | ||
7229b6d0 SB |
2675 | cpu_notifier_register_begin(); |
2676 | ||
853e2bd2 BG |
2677 | for_each_online_cpu(cpu) { |
2678 | bnx2fc_percpu_thread_create(cpu); | |
2679 | } | |
2680 | ||
2681 | /* Initialize per CPU interrupt thread */ | |
7229b6d0 SB |
2682 | __register_hotcpu_notifier(&bnx2fc_cpu_notifier); |
2683 | ||
2684 | cpu_notifier_register_done(); | |
853e2bd2 BG |
2685 | |
2686 | cnic_register_driver(CNIC_ULP_FCOE, &bnx2fc_cnic_cb); | |
2687 | ||
2688 | return 0; | |
2689 | ||
2690 | free_wq: | |
2691 | destroy_workqueue(bnx2fc_wq); | |
2692 | release_bt: | |
2693 | bnx2fc_release_transport(); | |
2694 | detach_ft: | |
2695 | fcoe_transport_detach(&bnx2fc_transport); | |
2696 | out: | |
2697 | return rc; | |
2698 | } | |
2699 | ||
2700 | static void __exit bnx2fc_mod_exit(void) | |
2701 | { | |
2702 | LIST_HEAD(to_be_deleted); | |
2703 | struct bnx2fc_hba *hba, *next; | |
2704 | struct fcoe_percpu_s *bg; | |
2705 | struct task_struct *l2_thread; | |
2706 | struct sk_buff *skb; | |
2707 | unsigned int cpu = 0; | |
2708 | ||
2709 | /* | |
2710 | * NOTE: Since cnic calls register_driver routine rtnl_lock, | |
2711 | * it will have higher precedence than bnx2fc_dev_lock. | |
2712 | * unregister_device() cannot be called with bnx2fc_dev_lock | |
2713 | * held. | |
2714 | */ | |
2715 | mutex_lock(&bnx2fc_dev_lock); | |
2716 | list_splice(&adapter_list, &to_be_deleted); | |
2717 | INIT_LIST_HEAD(&adapter_list); | |
2718 | adapter_count = 0; | |
2719 | mutex_unlock(&bnx2fc_dev_lock); | |
2720 | ||
2721 | /* Unregister with cnic */ | |
aea71a02 BPG |
2722 | list_for_each_entry_safe(hba, next, &to_be_deleted, list) { |
2723 | list_del_init(&hba->list); | |
2724 | printk(KERN_ERR PFX "MOD_EXIT:destroy hba = 0x%p\n", | |
2725 | hba); | |
853e2bd2 BG |
2726 | bnx2fc_ulp_stop(hba); |
2727 | /* unregister cnic device */ | |
2728 | if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, | |
2729 | &hba->reg_with_cnic)) | |
aea71a02 BPG |
2730 | hba->cnic->unregister_device(hba->cnic, |
2731 | CNIC_ULP_FCOE); | |
2732 | bnx2fc_hba_destroy(hba); | |
853e2bd2 BG |
2733 | } |
2734 | cnic_unregister_driver(CNIC_ULP_FCOE); | |
2735 | ||
2736 | /* Destroy global thread */ | |
2737 | bg = &bnx2fc_global; | |
2738 | spin_lock_bh(&bg->fcoe_rx_list.lock); | |
2739 | l2_thread = bg->thread; | |
2740 | bg->thread = NULL; | |
2741 | while ((skb = __skb_dequeue(&bg->fcoe_rx_list)) != NULL) | |
2742 | kfree_skb(skb); | |
2743 | ||
2744 | spin_unlock_bh(&bg->fcoe_rx_list.lock); | |
2745 | ||
2746 | if (l2_thread) | |
2747 | kthread_stop(l2_thread); | |
2748 | ||
7229b6d0 | 2749 | cpu_notifier_register_begin(); |
853e2bd2 BG |
2750 | |
2751 | /* Destroy per cpu threads */ | |
2752 | for_each_online_cpu(cpu) { | |
2753 | bnx2fc_percpu_thread_destroy(cpu); | |
2754 | } | |
2755 | ||
7229b6d0 SB |
2756 | __unregister_hotcpu_notifier(&bnx2fc_cpu_notifier); |
2757 | ||
2758 | cpu_notifier_register_done(); | |
2759 | ||
853e2bd2 BG |
2760 | destroy_workqueue(bnx2fc_wq); |
2761 | /* | |
2762 | * detach from scsi transport | |
2763 | * must happen after all destroys are done | |
2764 | */ | |
2765 | bnx2fc_release_transport(); | |
2766 | ||
2767 | /* detach from fcoe transport */ | |
2768 | fcoe_transport_detach(&bnx2fc_transport); | |
2769 | } | |
2770 | ||
2771 | module_init(bnx2fc_mod_init); | |
2772 | module_exit(bnx2fc_mod_exit); | |
2773 | ||
8d55e507 | 2774 | static struct fcoe_sysfs_function_template bnx2fc_fcoe_sysfs_templ = { |
6e89ea3f | 2775 | .set_fcoe_ctlr_enabled = bnx2fc_ctlr_enabled, |
b8b3e697 YZ |
2776 | .get_fcoe_ctlr_link_fail = fcoe_ctlr_get_lesb, |
2777 | .get_fcoe_ctlr_vlink_fail = fcoe_ctlr_get_lesb, | |
2778 | .get_fcoe_ctlr_miss_fka = fcoe_ctlr_get_lesb, | |
2779 | .get_fcoe_ctlr_symb_err = fcoe_ctlr_get_lesb, | |
2780 | .get_fcoe_ctlr_err_block = fcoe_ctlr_get_lesb, | |
2781 | .get_fcoe_ctlr_fcs_error = fcoe_ctlr_get_lesb, | |
8d55e507 RL |
2782 | |
2783 | .get_fcoe_fcf_selected = fcoe_fcf_get_selected, | |
2784 | .get_fcoe_fcf_vlan_id = bnx2fc_fcf_get_vlan_id, | |
2785 | }; | |
2786 | ||
853e2bd2 BG |
2787 | static struct fc_function_template bnx2fc_transport_function = { |
2788 | .show_host_node_name = 1, | |
2789 | .show_host_port_name = 1, | |
2790 | .show_host_supported_classes = 1, | |
2791 | .show_host_supported_fc4s = 1, | |
2792 | .show_host_active_fc4s = 1, | |
2793 | .show_host_maxframe_size = 1, | |
2794 | ||
2795 | .show_host_port_id = 1, | |
2796 | .show_host_supported_speeds = 1, | |
2797 | .get_host_speed = fc_get_host_speed, | |
2798 | .show_host_speed = 1, | |
2799 | .show_host_port_type = 1, | |
2800 | .get_host_port_state = fc_get_host_port_state, | |
2801 | .show_host_port_state = 1, | |
2802 | .show_host_symbolic_name = 1, | |
2803 | ||
2804 | .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) + | |
2805 | sizeof(struct bnx2fc_rport)), | |
2806 | .show_rport_maxframe_size = 1, | |
2807 | .show_rport_supported_classes = 1, | |
2808 | ||
2809 | .show_host_fabric_name = 1, | |
2810 | .show_starget_node_name = 1, | |
2811 | .show_starget_port_name = 1, | |
2812 | .show_starget_port_id = 1, | |
2813 | .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo, | |
2814 | .show_rport_dev_loss_tmo = 1, | |
2815 | .get_fc_host_stats = bnx2fc_get_host_stats, | |
2816 | ||
2817 | .issue_fc_host_lip = bnx2fc_fcoe_reset, | |
2818 | ||
2819 | .terminate_rport_io = fc_rport_terminate_io, | |
2820 | ||
2821 | .vport_create = bnx2fc_vport_create, | |
2822 | .vport_delete = bnx2fc_vport_destroy, | |
2823 | .vport_disable = bnx2fc_vport_disable, | |
e9a5289c | 2824 | .bsg_request = fc_lport_bsg_request, |
853e2bd2 BG |
2825 | }; |
2826 | ||
2827 | static struct fc_function_template bnx2fc_vport_xport_function = { | |
2828 | .show_host_node_name = 1, | |
2829 | .show_host_port_name = 1, | |
2830 | .show_host_supported_classes = 1, | |
2831 | .show_host_supported_fc4s = 1, | |
2832 | .show_host_active_fc4s = 1, | |
2833 | .show_host_maxframe_size = 1, | |
2834 | ||
2835 | .show_host_port_id = 1, | |
2836 | .show_host_supported_speeds = 1, | |
2837 | .get_host_speed = fc_get_host_speed, | |
2838 | .show_host_speed = 1, | |
2839 | .show_host_port_type = 1, | |
2840 | .get_host_port_state = fc_get_host_port_state, | |
2841 | .show_host_port_state = 1, | |
2842 | .show_host_symbolic_name = 1, | |
2843 | ||
2844 | .dd_fcrport_size = (sizeof(struct fc_rport_libfc_priv) + | |
2845 | sizeof(struct bnx2fc_rport)), | |
2846 | .show_rport_maxframe_size = 1, | |
2847 | .show_rport_supported_classes = 1, | |
2848 | ||
2849 | .show_host_fabric_name = 1, | |
2850 | .show_starget_node_name = 1, | |
2851 | .show_starget_port_name = 1, | |
2852 | .show_starget_port_id = 1, | |
2853 | .set_rport_dev_loss_tmo = fc_set_rport_loss_tmo, | |
2854 | .show_rport_dev_loss_tmo = 1, | |
2855 | .get_fc_host_stats = fc_get_host_stats, | |
2856 | .issue_fc_host_lip = bnx2fc_fcoe_reset, | |
2857 | .terminate_rport_io = fc_rport_terminate_io, | |
e9a5289c | 2858 | .bsg_request = fc_lport_bsg_request, |
853e2bd2 BG |
2859 | }; |
2860 | ||
2861 | /** | |
2862 | * scsi_host_template structure used while registering with SCSI-ml | |
2863 | */ | |
2864 | static struct scsi_host_template bnx2fc_shost_template = { | |
2865 | .module = THIS_MODULE, | |
17d87c45 | 2866 | .name = "QLogic Offload FCoE Initiator", |
853e2bd2 BG |
2867 | .queuecommand = bnx2fc_queuecommand, |
2868 | .eh_abort_handler = bnx2fc_eh_abort, /* abts */ | |
2869 | .eh_device_reset_handler = bnx2fc_eh_device_reset, /* lun reset */ | |
2870 | .eh_target_reset_handler = bnx2fc_eh_target_reset, /* tgt reset */ | |
2871 | .eh_host_reset_handler = fc_eh_host_reset, | |
2872 | .slave_alloc = fc_slave_alloc, | |
db5ed4df | 2873 | .change_queue_depth = scsi_change_queue_depth, |
853e2bd2 BG |
2874 | .this_id = -1, |
2875 | .cmd_per_lun = 3, | |
853e2bd2 BG |
2876 | .use_clustering = ENABLE_CLUSTERING, |
2877 | .sg_tablesize = BNX2FC_MAX_BDS_PER_CMD, | |
d450d778 | 2878 | .max_sectors = 1024, |
c40ecc12 | 2879 | .track_queue_depth = 1, |
853e2bd2 BG |
2880 | }; |
2881 | ||
2882 | static struct libfc_function_template bnx2fc_libfc_fcn_templ = { | |
2883 | .frame_send = bnx2fc_xmit, | |
2884 | .elsct_send = bnx2fc_elsct_send, | |
2885 | .fcp_abort_io = bnx2fc_abort_io, | |
2886 | .fcp_cleanup = bnx2fc_cleanup, | |
b8b3e697 | 2887 | .get_lesb = fcoe_get_lesb, |
853e2bd2 BG |
2888 | .rport_event_callback = bnx2fc_rport_event_handler, |
2889 | }; | |
2890 | ||
2891 | /** | |
2892 | * bnx2fc_cnic_cb - global template of bnx2fc - cnic driver interface | |
2893 | * structure carrying callback function pointers | |
2894 | */ | |
2895 | static struct cnic_ulp_ops bnx2fc_cnic_cb = { | |
2896 | .owner = THIS_MODULE, | |
2897 | .cnic_init = bnx2fc_ulp_init, | |
2898 | .cnic_exit = bnx2fc_ulp_exit, | |
2899 | .cnic_start = bnx2fc_ulp_start, | |
2900 | .cnic_stop = bnx2fc_ulp_stop, | |
2901 | .indicate_kcqes = bnx2fc_indicate_kcqe, | |
2902 | .indicate_netevent = bnx2fc_indicate_netevent, | |
2e499d3c | 2903 | .cnic_get_stats = bnx2fc_ulp_get_stats, |
853e2bd2 | 2904 | }; |