2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
19 * bfa_fcs.c BFA FCS main
25 #include "bfa_fcbuild.h"
27 BFA_TRC_FILE(FCS, FCS);
32 struct bfa_fcs_mod_s {
33 void (*attach) (struct bfa_fcs_s *fcs);
34 void (*modinit) (struct bfa_fcs_s *fcs);
35 void (*modexit) (struct bfa_fcs_s *fcs);
38 #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit }
40 static struct bfa_fcs_mod_s fcs_modules[] = {
41 { bfa_fcs_port_attach, NULL, NULL },
42 { bfa_fcs_uf_attach, NULL, NULL },
43 { bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit,
44 bfa_fcs_fabric_modexit },
52 bfa_fcs_exit_comp(void *fcs_cbarg)
54 struct bfa_fcs_s *fcs = fcs_cbarg;
55 struct bfad_s *bfad = fcs->bfad;
57 complete(&bfad->comp);
67 * fcs attach -- called once to initialize data structures at driver attach time
70 bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
71 bfa_boolean_t min_cfg)
74 struct bfa_fcs_mod_s *mod;
78 fcs->min_cfg = min_cfg;
83 for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
84 mod = &fcs_modules[i];
91 * fcs initialization, called once after bfa initialization is complete
94 bfa_fcs_init(struct bfa_fcs_s *fcs)
97 struct bfa_fcs_mod_s *mod;
99 for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
100 mod = &fcs_modules[i];
107 * FCS update cfg - reset the pwwn/nwwn of fabric base logical port
108 * with values learned during bfa_init firmware GETATTR REQ.
111 bfa_fcs_update_cfg(struct bfa_fcs_s *fcs)
113 struct bfa_fcs_fabric_s *fabric = &fcs->fabric;
114 struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg;
115 struct bfa_ioc_s *ioc = &fabric->fcs->bfa->ioc;
117 port_cfg->nwwn = ioc->attr->nwwn;
118 port_cfg->pwwn = ioc->attr->pwwn;
122 * fcs pbc vport initialization
125 bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs)
128 struct bfi_pbc_vport_s pbc_vports[BFI_PBC_MAX_VPORTS];
130 /* Initialize pbc vports */
133 bfa_iocfc_get_pbc_vports(fcs->bfa, pbc_vports);
134 for (i = 0; i < npbc_vports; i++)
135 bfa_fcb_pbc_vport_create(fcs->bfa->bfad, pbc_vports[i]);
141 * FCS driver details initialization.
143 * param[in] fcs FCS instance
144 * param[in] driver_info Driver Details
149 bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
150 struct bfa_fcs_driver_info_s *driver_info)
153 fcs->driver_info = *driver_info;
155 bfa_fcs_fabric_psymb_init(&fcs->fabric);
160 * FCS instance cleanup and exit.
162 * param[in] fcs FCS instance
166 bfa_fcs_exit(struct bfa_fcs_s *fcs)
168 struct bfa_fcs_mod_s *mod;
171 bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs);
173 nmods = sizeof(fcs_modules) / sizeof(fcs_modules[0]);
175 for (i = 0; i < nmods; i++) {
177 mod = &fcs_modules[i];
184 bfa_wc_wait(&fcs->wc);
189 * Fabric module implementation.
192 #define BFA_FCS_FABRIC_RETRY_DELAY (2000) /* Milliseconds */
193 #define BFA_FCS_FABRIC_CLEANUP_DELAY (10000) /* Milliseconds */
195 #define bfa_fcs_fabric_set_opertype(__fabric) do { \
196 if (bfa_fcport_get_topology((__fabric)->fcs->bfa) \
197 == BFA_PORT_TOPOLOGY_P2P) { \
198 if (fabric->fab_type == BFA_FCS_FABRIC_SWITCHED) \
199 (__fabric)->oper_type = BFA_PORT_TYPE_NPORT; \
201 (__fabric)->oper_type = BFA_PORT_TYPE_P2P; \
203 (__fabric)->oper_type = BFA_PORT_TYPE_NLPORT; \
207 * forward declarations
209 static void bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric);
210 static void bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric);
211 static void bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric);
212 static void bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric);
213 static void bfa_fcs_fabric_delay(void *cbarg);
214 static void bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric);
215 static void bfa_fcs_fabric_delete_comp(void *cbarg);
216 static void bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric,
217 struct fchs_s *fchs, u16 len);
218 static void bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric,
219 struct fchs_s *fchs, u16 len);
220 static void bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric);
221 static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg,
222 struct bfa_fcxp_s *fcxp, void *cbarg,
226 struct fchs_s *rspfchs);
227 static u8 bfa_fcs_fabric_oper_bbscn(struct bfa_fcs_fabric_s *fabric);
228 static bfa_boolean_t bfa_fcs_fabric_is_bbscn_enabled(
229 struct bfa_fcs_fabric_s *fabric);
231 static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric,
232 enum bfa_fcs_fabric_event event);
233 static void bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric,
234 enum bfa_fcs_fabric_event event);
235 static void bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric,
236 enum bfa_fcs_fabric_event event);
237 static void bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric,
238 enum bfa_fcs_fabric_event event);
239 static void bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric,
240 enum bfa_fcs_fabric_event event);
241 static void bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric,
242 enum bfa_fcs_fabric_event event);
243 static void bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric,
244 enum bfa_fcs_fabric_event event);
245 static void bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric,
246 enum bfa_fcs_fabric_event event);
247 static void bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric,
248 enum bfa_fcs_fabric_event event);
249 static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric,
250 enum bfa_fcs_fabric_event event);
251 static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric,
252 enum bfa_fcs_fabric_event event);
254 * Beginning state before fabric creation.
257 bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric,
258 enum bfa_fcs_fabric_event event)
260 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
261 bfa_trc(fabric->fcs, event);
264 case BFA_FCS_FABRIC_SM_CREATE:
265 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created);
266 bfa_fcs_fabric_init(fabric);
267 bfa_fcs_lport_init(&fabric->bport, &fabric->bport.port_cfg);
270 case BFA_FCS_FABRIC_SM_LINK_UP:
271 case BFA_FCS_FABRIC_SM_LINK_DOWN:
275 bfa_sm_fault(fabric->fcs, event);
280 * Beginning state before fabric creation.
283 bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric,
284 enum bfa_fcs_fabric_event event)
286 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
287 bfa_trc(fabric->fcs, event);
290 case BFA_FCS_FABRIC_SM_START:
291 if (bfa_fcport_is_linkup(fabric->fcs->bfa)) {
292 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi);
293 bfa_fcs_fabric_login(fabric);
295 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
298 case BFA_FCS_FABRIC_SM_LINK_UP:
299 case BFA_FCS_FABRIC_SM_LINK_DOWN:
302 case BFA_FCS_FABRIC_SM_DELETE:
303 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
304 bfa_fcs_fabric_delete(fabric);
308 bfa_sm_fault(fabric->fcs, event);
313 * Link is down, awaiting LINK UP event from port. This is also the
314 * first state at fabric creation.
317 bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric,
318 enum bfa_fcs_fabric_event event)
320 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
321 bfa_trc(fabric->fcs, event);
324 case BFA_FCS_FABRIC_SM_LINK_UP:
325 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi);
326 bfa_fcs_fabric_login(fabric);
329 case BFA_FCS_FABRIC_SM_RETRY_OP:
332 case BFA_FCS_FABRIC_SM_DELETE:
333 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
334 bfa_fcs_fabric_delete(fabric);
338 bfa_sm_fault(fabric->fcs, event);
343 * FLOGI is in progress, awaiting FLOGI reply.
346 bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric,
347 enum bfa_fcs_fabric_event event)
349 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
350 bfa_trc(fabric->fcs, event);
353 case BFA_FCS_FABRIC_SM_CONT_OP:
355 bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa,
357 bfa_fcs_fabric_oper_bbscn(fabric));
358 fabric->fab_type = BFA_FCS_FABRIC_SWITCHED;
360 if (fabric->auth_reqd && fabric->is_auth) {
361 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth);
362 bfa_trc(fabric->fcs, event);
364 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online);
365 bfa_fcs_fabric_notify_online(fabric);
369 case BFA_FCS_FABRIC_SM_RETRY_OP:
370 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi_retry);
371 bfa_timer_start(fabric->fcs->bfa, &fabric->delay_timer,
372 bfa_fcs_fabric_delay, fabric,
373 BFA_FCS_FABRIC_RETRY_DELAY);
376 case BFA_FCS_FABRIC_SM_LOOPBACK:
377 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_loopback);
378 bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
379 bfa_fcs_fabric_set_opertype(fabric);
382 case BFA_FCS_FABRIC_SM_NO_FABRIC:
383 fabric->fab_type = BFA_FCS_FABRIC_N2N;
384 bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa,
386 bfa_fcs_fabric_oper_bbscn(fabric));
387 bfa_fcs_fabric_notify_online(fabric);
388 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric);
391 case BFA_FCS_FABRIC_SM_LINK_DOWN:
392 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
393 bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
396 case BFA_FCS_FABRIC_SM_DELETE:
397 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
398 bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
399 bfa_fcs_fabric_delete(fabric);
403 bfa_sm_fault(fabric->fcs, event);
409 bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric,
410 enum bfa_fcs_fabric_event event)
412 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
413 bfa_trc(fabric->fcs, event);
416 case BFA_FCS_FABRIC_SM_DELAYED:
417 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi);
418 bfa_fcs_fabric_login(fabric);
421 case BFA_FCS_FABRIC_SM_LINK_DOWN:
422 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
423 bfa_timer_stop(&fabric->delay_timer);
426 case BFA_FCS_FABRIC_SM_DELETE:
427 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
428 bfa_timer_stop(&fabric->delay_timer);
429 bfa_fcs_fabric_delete(fabric);
433 bfa_sm_fault(fabric->fcs, event);
438 * Authentication is in progress, awaiting authentication results.
441 bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric,
442 enum bfa_fcs_fabric_event event)
444 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
445 bfa_trc(fabric->fcs, event);
448 case BFA_FCS_FABRIC_SM_AUTH_FAILED:
449 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed);
450 bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
453 case BFA_FCS_FABRIC_SM_AUTH_SUCCESS:
454 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online);
455 bfa_fcs_fabric_notify_online(fabric);
458 case BFA_FCS_FABRIC_SM_PERF_EVFP:
459 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp);
462 case BFA_FCS_FABRIC_SM_LINK_DOWN:
463 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
464 bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
467 case BFA_FCS_FABRIC_SM_DELETE:
468 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
469 bfa_fcs_fabric_delete(fabric);
473 bfa_sm_fault(fabric->fcs, event);
478 * Authentication failed
481 bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric,
482 enum bfa_fcs_fabric_event event)
484 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
485 bfa_trc(fabric->fcs, event);
488 case BFA_FCS_FABRIC_SM_LINK_DOWN:
489 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
490 bfa_fcs_fabric_notify_offline(fabric);
493 case BFA_FCS_FABRIC_SM_DELETE:
494 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
495 bfa_fcs_fabric_delete(fabric);
499 bfa_sm_fault(fabric->fcs, event);
504 * Port is in loopback mode.
507 bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric,
508 enum bfa_fcs_fabric_event event)
510 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
511 bfa_trc(fabric->fcs, event);
514 case BFA_FCS_FABRIC_SM_LINK_DOWN:
515 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
516 bfa_fcs_fabric_notify_offline(fabric);
519 case BFA_FCS_FABRIC_SM_DELETE:
520 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
521 bfa_fcs_fabric_delete(fabric);
525 bfa_sm_fault(fabric->fcs, event);
530 * There is no attached fabric - private loop or NPort-to-NPort topology.
533 bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric,
534 enum bfa_fcs_fabric_event event)
536 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
537 bfa_trc(fabric->fcs, event);
540 case BFA_FCS_FABRIC_SM_LINK_DOWN:
541 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
542 bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
543 bfa_fcs_fabric_notify_offline(fabric);
546 case BFA_FCS_FABRIC_SM_DELETE:
547 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
548 bfa_fcs_fabric_delete(fabric);
551 case BFA_FCS_FABRIC_SM_NO_FABRIC:
552 bfa_trc(fabric->fcs, fabric->bb_credit);
553 bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa,
555 bfa_fcs_fabric_oper_bbscn(fabric));
558 case BFA_FCS_FABRIC_SM_RETRY_OP:
562 bfa_sm_fault(fabric->fcs, event);
567 * Fabric is online - normal operating state.
570 bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric,
571 enum bfa_fcs_fabric_event event)
573 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
574 bfa_trc(fabric->fcs, event);
577 case BFA_FCS_FABRIC_SM_LINK_DOWN:
578 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
579 bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
580 bfa_fcs_fabric_notify_offline(fabric);
583 case BFA_FCS_FABRIC_SM_DELETE:
584 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
585 bfa_fcs_fabric_delete(fabric);
588 case BFA_FCS_FABRIC_SM_AUTH_FAILED:
589 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed);
590 bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
593 case BFA_FCS_FABRIC_SM_AUTH_SUCCESS:
597 bfa_sm_fault(fabric->fcs, event);
602 * Exchanging virtual fabric parameters.
605 bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric,
606 enum bfa_fcs_fabric_event event)
608 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
609 bfa_trc(fabric->fcs, event);
612 case BFA_FCS_FABRIC_SM_CONT_OP:
613 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp_done);
616 case BFA_FCS_FABRIC_SM_ISOLATE:
617 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_isolated);
621 bfa_sm_fault(fabric->fcs, event);
626 * EVFP exchange complete and VFT tagging is enabled.
629 bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric,
630 enum bfa_fcs_fabric_event event)
632 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
633 bfa_trc(fabric->fcs, event);
637 * Port is isolated after EVFP exchange due to VF_ID mismatch (N and F).
640 bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric,
641 enum bfa_fcs_fabric_event event)
643 struct bfad_s *bfad = (struct bfad_s *)fabric->fcs->bfad;
644 char pwwn_ptr[BFA_STRING_32];
646 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
647 bfa_trc(fabric->fcs, event);
648 wwn2str(pwwn_ptr, fabric->bport.port_cfg.pwwn);
650 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
651 "Port is isolated due to VF_ID mismatch. "
652 "PWWN: %s Port VF_ID: %04x switch port VF_ID: %04x.",
653 pwwn_ptr, fabric->fcs->port_vfid,
654 fabric->event_arg.swp_vfid);
658 * Fabric is being deleted, awaiting vport delete completions.
661 bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric,
662 enum bfa_fcs_fabric_event event)
664 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
665 bfa_trc(fabric->fcs, event);
668 case BFA_FCS_FABRIC_SM_DELCOMP:
669 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit);
670 bfa_wc_down(&fabric->fcs->wc);
673 case BFA_FCS_FABRIC_SM_LINK_UP:
676 case BFA_FCS_FABRIC_SM_LINK_DOWN:
677 bfa_fcs_fabric_notify_offline(fabric);
681 bfa_sm_fault(fabric->fcs, event);
688 * fcs_fabric_private fabric private functions
692 bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric)
694 struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg;
696 port_cfg->roles = BFA_LPORT_ROLE_FCP_IM;
697 port_cfg->nwwn = fabric->fcs->bfa->ioc.attr->nwwn;
698 port_cfg->pwwn = fabric->fcs->bfa->ioc.attr->pwwn;
702 * Port Symbolic Name Creation for base port.
705 bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric)
707 struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg;
708 char model[BFA_ADAPTER_MODEL_NAME_LEN] = {0};
709 struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info;
711 bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model);
713 /* Model name/number */
714 strncpy((char *)&port_cfg->sym_name, model,
715 BFA_FCS_PORT_SYMBNAME_MODEL_SZ);
716 strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
717 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
720 strncat((char *)&port_cfg->sym_name, (char *)driver_info->version,
721 BFA_FCS_PORT_SYMBNAME_VERSION_SZ);
722 strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
723 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
725 /* Host machine name */
726 strncat((char *)&port_cfg->sym_name,
727 (char *)driver_info->host_machine_name,
728 BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ);
729 strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
730 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
734 * If OS Patch Info is not there, do not truncate any bytes from the
735 * OS name string and instead copy the entire OS info string (64 bytes).
737 if (driver_info->host_os_patch[0] == '\0') {
738 strncat((char *)&port_cfg->sym_name,
739 (char *)driver_info->host_os_name,
741 strncat((char *)&port_cfg->sym_name,
742 BFA_FCS_PORT_SYMBNAME_SEPARATOR,
743 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
745 strncat((char *)&port_cfg->sym_name,
746 (char *)driver_info->host_os_name,
747 BFA_FCS_PORT_SYMBNAME_OSINFO_SZ);
748 strncat((char *)&port_cfg->sym_name,
749 BFA_FCS_PORT_SYMBNAME_SEPARATOR,
750 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
752 /* Append host OS Patch Info */
753 strncat((char *)&port_cfg->sym_name,
754 (char *)driver_info->host_os_patch,
755 BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ);
759 port_cfg->sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0;
763 * bfa lps login completion callback
766 bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status)
768 struct bfa_fcs_fabric_s *fabric = uarg;
770 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
771 bfa_trc(fabric->fcs, status);
775 fabric->stats.flogi_accepts++;
778 case BFA_STATUS_INVALID_MAC:
780 fabric->stats.flogi_acc_err++;
781 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP);
785 case BFA_STATUS_EPROTOCOL:
786 switch (fabric->lps->ext_status) {
787 case BFA_EPROTO_BAD_ACCEPT:
788 fabric->stats.flogi_acc_err++;
791 case BFA_EPROTO_UNKNOWN_RSP:
792 fabric->stats.flogi_unknown_rsp++;
798 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP);
802 case BFA_STATUS_FABRIC_RJT:
803 fabric->stats.flogi_rejects++;
804 if (fabric->lps->lsrjt_rsn == FC_LS_RJT_RSN_LOGICAL_ERROR &&
805 fabric->lps->lsrjt_expl == FC_LS_RJT_EXP_NO_ADDL_INFO)
806 fabric->fcs->bbscn_flogi_rjt = BFA_TRUE;
808 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP);
812 fabric->stats.flogi_rsp_err++;
813 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP);
817 fabric->bb_credit = fabric->lps->pr_bbcred;
818 bfa_trc(fabric->fcs, fabric->bb_credit);
820 if (!(fabric->lps->brcd_switch))
821 fabric->fabric_name = fabric->lps->pr_nwwn;
824 * Check port type. It should be 1 = F-port.
826 if (fabric->lps->fport) {
827 fabric->bport.pid = fabric->lps->lp_pid;
828 fabric->is_npiv = fabric->lps->npiv_en;
829 fabric->is_auth = fabric->lps->auth_req;
830 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_CONT_OP);
833 * Nport-2-Nport direct attached
835 fabric->bport.port_topo.pn2n.rem_port_wwn =
836 fabric->lps->pr_pwwn;
837 fabric->fab_type = BFA_FCS_FABRIC_N2N;
838 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC);
841 bfa_trc(fabric->fcs, fabric->bport.pid);
842 bfa_trc(fabric->fcs, fabric->is_npiv);
843 bfa_trc(fabric->fcs, fabric->is_auth);
846 * Allocate and send FLOGI.
849 bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric)
851 struct bfa_s *bfa = fabric->fcs->bfa;
852 struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg;
853 u8 alpa = 0, bb_scn = 0;
855 if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP)
856 alpa = bfa_fcport_get_myalpa(bfa);
858 if (bfa_fcs_fabric_is_bbscn_enabled(fabric) &&
859 (!fabric->fcs->bbscn_flogi_rjt))
860 bb_scn = BFA_FCS_PORT_DEF_BB_SCN;
862 bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_fcport_get_maxfrsize(bfa),
863 pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd, bb_scn);
865 fabric->stats.flogi_sent++;
869 bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric)
871 struct bfa_fcs_vport_s *vport;
872 struct list_head *qe, *qen;
874 bfa_trc(fabric->fcs, fabric->fabric_name);
876 bfa_fcs_fabric_set_opertype(fabric);
877 fabric->stats.fabric_onlines++;
880 * notify online event to base and then virtual ports
882 bfa_fcs_lport_online(&fabric->bport);
884 list_for_each_safe(qe, qen, &fabric->vport_q) {
885 vport = (struct bfa_fcs_vport_s *) qe;
886 bfa_fcs_vport_online(vport);
891 bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric)
893 struct bfa_fcs_vport_s *vport;
894 struct list_head *qe, *qen;
896 bfa_trc(fabric->fcs, fabric->fabric_name);
897 fabric->stats.fabric_offlines++;
900 * notify offline event first to vports and then base port.
902 list_for_each_safe(qe, qen, &fabric->vport_q) {
903 vport = (struct bfa_fcs_vport_s *) qe;
904 bfa_fcs_vport_offline(vport);
907 bfa_fcs_lport_offline(&fabric->bport);
909 fabric->fabric_name = 0;
910 fabric->fabric_ip_addr[0] = 0;
914 bfa_fcs_fabric_delay(void *cbarg)
916 struct bfa_fcs_fabric_s *fabric = cbarg;
918 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELAYED);
922 * Computes operating BB_SCN value
925 bfa_fcs_fabric_oper_bbscn(struct bfa_fcs_fabric_s *fabric)
927 u8 pr_bbscn = fabric->lps->pr_bbscn;
928 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fabric->fcs->bfa);
930 if (!(fcport->cfg.bb_scn_state && pr_bbscn))
933 /* return max of local/remote bb_scn values */
934 return ((pr_bbscn > BFA_FCS_PORT_DEF_BB_SCN) ?
935 pr_bbscn : BFA_FCS_PORT_DEF_BB_SCN);
939 * Check if BB_SCN can be enabled.
942 bfa_fcs_fabric_is_bbscn_enabled(struct bfa_fcs_fabric_s *fabric)
944 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fabric->fcs->bfa);
946 if (bfa_ioc_get_fcmode(&fabric->fcs->bfa->ioc) &&
947 fcport->cfg.bb_scn_state &&
948 !bfa_fcport_is_qos_enabled(fabric->fcs->bfa) &&
949 !bfa_fcport_is_trunk_enabled(fabric->fcs->bfa))
956 * Delete all vports and wait for vport delete completions.
959 bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric)
961 struct bfa_fcs_vport_s *vport;
962 struct list_head *qe, *qen;
964 list_for_each_safe(qe, qen, &fabric->vport_q) {
965 vport = (struct bfa_fcs_vport_s *) qe;
966 bfa_fcs_vport_fcs_delete(vport);
969 bfa_fcs_lport_delete(&fabric->bport);
970 bfa_wc_wait(&fabric->wc);
974 bfa_fcs_fabric_delete_comp(void *cbarg)
976 struct bfa_fcs_fabric_s *fabric = cbarg;
978 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELCOMP);
982 * fcs_fabric_public fabric public functions
986 * Attach time initialization.
989 bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs)
991 struct bfa_fcs_fabric_s *fabric;
993 fabric = &fcs->fabric;
994 memset(fabric, 0, sizeof(struct bfa_fcs_fabric_s));
997 * Initialize base fabric.
1000 INIT_LIST_HEAD(&fabric->vport_q);
1001 INIT_LIST_HEAD(&fabric->vf_q);
1002 fabric->lps = bfa_lps_alloc(fcs->bfa);
1003 WARN_ON(!fabric->lps);
1006 * Initialize fabric delete completion handler. Fabric deletion is
1007 * complete when the last vport delete is complete.
1009 bfa_wc_init(&fabric->wc, bfa_fcs_fabric_delete_comp, fabric);
1010 bfa_wc_up(&fabric->wc); /* For the base port */
1012 bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit);
1013 bfa_fcs_lport_attach(&fabric->bport, fabric->fcs, FC_VF_ID_NULL, NULL);
1017 bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs)
1019 bfa_sm_send_event(&fcs->fabric, BFA_FCS_FABRIC_SM_CREATE);
1027 bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs)
1029 struct bfa_fcs_fabric_s *fabric;
1034 * Cleanup base fabric.
1036 fabric = &fcs->fabric;
1037 bfa_lps_delete(fabric->lps);
1038 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELETE);
1042 * Fabric module start -- kick starts FCS actions
1045 bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs)
1047 struct bfa_fcs_fabric_s *fabric;
1050 fabric = &fcs->fabric;
1051 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_START);
1056 * Link up notification from BFA physical port module.
1059 bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric)
1061 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
1062 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_UP);
1066 * Link down notification from BFA physical port module.
1069 bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric)
1071 bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
1072 fabric->fcs->bbscn_flogi_rjt = BFA_FALSE;
1073 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_DOWN);
1077 * A child vport is being created in the fabric.
1079 * Call from vport module at vport creation. A list of base port and vports
1080 * belonging to a fabric is maintained to propagate link events.
1082 * param[in] fabric - Fabric instance. This can be a base fabric or vf.
1083 * param[in] vport - Vport being created.
1085 * @return None (always succeeds)
1088 bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric,
1089 struct bfa_fcs_vport_s *vport)
1092 * - add vport to fabric's vport_q
1094 bfa_trc(fabric->fcs, fabric->vf_id);
1096 list_add_tail(&vport->qe, &fabric->vport_q);
1097 fabric->num_vports++;
1098 bfa_wc_up(&fabric->wc);
1102 * A child vport is being deleted from fabric.
1104 * Vport is being deleted.
1107 bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric,
1108 struct bfa_fcs_vport_s *vport)
1110 list_del(&vport->qe);
1111 fabric->num_vports--;
1112 bfa_wc_down(&fabric->wc);
1117 * Lookup for a vport within a fabric given its pwwn
1119 struct bfa_fcs_vport_s *
1120 bfa_fcs_fabric_vport_lookup(struct bfa_fcs_fabric_s *fabric, wwn_t pwwn)
1122 struct bfa_fcs_vport_s *vport;
1123 struct list_head *qe;
1125 list_for_each(qe, &fabric->vport_q) {
1126 vport = (struct bfa_fcs_vport_s *) qe;
1127 if (bfa_fcs_lport_get_pwwn(&vport->lport) == pwwn)
1136 * Get OUI of the attached switch.
1138 * Note : Use of this function should be avoided as much as possible.
1139 * This function should be used only if there is any requirement
1140 * to check for FOS version below 6.3.
1141 * To check if the attached fabric is a brocade fabric, use
1142 * bfa_lps_is_brcd_fabric() which works for FOS versions 6.3
1147 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric)
1153 fab_nwwn = fabric->lps->pr_nwwn;
1155 tmp = (u8 *)&fab_nwwn;
1156 oui = (tmp[3] << 8) | tmp[4];
1161 * Unsolicited frame receive handling.
1164 bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs,
1167 u32 pid = fchs->d_id;
1168 struct bfa_fcs_vport_s *vport;
1169 struct list_head *qe;
1170 struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
1171 struct fc_logi_s *flogi = (struct fc_logi_s *) els_cmd;
1173 bfa_trc(fabric->fcs, len);
1174 bfa_trc(fabric->fcs, pid);
1177 * Look for our own FLOGI frames being looped back. This means an
1178 * external loopback cable is in place. Our own FLOGI frames are
1179 * sometimes looped back when switch port gets temporarily bypassed.
1181 if ((pid == bfa_ntoh3b(FC_FABRIC_PORT)) &&
1182 (els_cmd->els_code == FC_ELS_FLOGI) &&
1183 (flogi->port_name == bfa_fcs_lport_get_pwwn(&fabric->bport))) {
1184 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LOOPBACK);
1189 * FLOGI/EVFP exchanges should be consumed by base fabric.
1191 if (fchs->d_id == bfa_hton3b(FC_FABRIC_PORT)) {
1192 bfa_trc(fabric->fcs, pid);
1193 bfa_fcs_fabric_process_uf(fabric, fchs, len);
1197 if (fabric->bport.pid == pid) {
1199 * All authentication frames should be routed to auth
1201 bfa_trc(fabric->fcs, els_cmd->els_code);
1202 if (els_cmd->els_code == FC_ELS_AUTH) {
1203 bfa_trc(fabric->fcs, els_cmd->els_code);
1207 bfa_trc(fabric->fcs, *(u8 *) ((u8 *) fchs));
1208 bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len);
1213 * look for a matching local port ID
1215 list_for_each(qe, &fabric->vport_q) {
1216 vport = (struct bfa_fcs_vport_s *) qe;
1217 if (vport->lport.pid == pid) {
1218 bfa_fcs_lport_uf_recv(&vport->lport, fchs, len);
1222 bfa_trc(fabric->fcs, els_cmd->els_code);
1223 bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len);
1227 * Unsolicited frames to be processed by fabric.
1230 bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs,
1233 struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
1235 bfa_trc(fabric->fcs, els_cmd->els_code);
1237 switch (els_cmd->els_code) {
1239 bfa_fcs_fabric_process_flogi(fabric, fchs, len);
1244 * need to generate a LS_RJT
1251 * Process incoming FLOGI
1254 bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric,
1255 struct fchs_s *fchs, u16 len)
1257 struct fc_logi_s *flogi = (struct fc_logi_s *) (fchs + 1);
1258 struct bfa_fcs_lport_s *bport = &fabric->bport;
1260 bfa_trc(fabric->fcs, fchs->s_id);
1262 fabric->stats.flogi_rcvd++;
1264 * Check port type. It should be 0 = n-port.
1266 if (flogi->csp.port_type) {
1268 * @todo: may need to send a LS_RJT
1270 bfa_trc(fabric->fcs, flogi->port_name);
1271 fabric->stats.flogi_rejected++;
1275 fabric->bb_credit = be16_to_cpu(flogi->csp.bbcred);
1276 fabric->lps->pr_bbscn = (be16_to_cpu(flogi->csp.rxsz) >> 12);
1277 bport->port_topo.pn2n.rem_port_wwn = flogi->port_name;
1278 bport->port_topo.pn2n.reply_oxid = fchs->ox_id;
1283 bfa_fcs_fabric_send_flogi_acc(fabric);
1284 bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC);
1288 bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric)
1290 struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg;
1291 struct bfa_fcs_lport_n2n_s *n2n_port = &fabric->bport.port_topo.pn2n;
1292 struct bfa_s *bfa = fabric->fcs->bfa;
1293 struct bfa_fcxp_s *fcxp;
1297 fcxp = bfa_fcs_fcxp_alloc(fabric->fcs);
1299 * Do not expect this failure -- expect remote node to retry
1304 reqlen = fc_flogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
1305 bfa_hton3b(FC_FABRIC_PORT),
1306 n2n_port->reply_oxid, pcfg->pwwn,
1308 bfa_fcport_get_maxfrsize(bfa),
1309 bfa_fcport_get_rx_bbcredit(bfa),
1310 bfa_fcs_fabric_oper_bbscn(fabric));
1312 bfa_fcxp_send(fcxp, NULL, fabric->vf_id, fabric->lps->bfa_tag,
1313 BFA_FALSE, FC_CLASS_3,
1314 reqlen, &fchs, bfa_fcs_fabric_flogiacc_comp, fabric,
1319 * Flogi Acc completion callback.
1322 bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
1323 bfa_status_t status, u32 rsp_len,
1324 u32 resid_len, struct fchs_s *rspfchs)
1326 struct bfa_fcs_fabric_s *fabric = cbarg;
1328 bfa_trc(fabric->fcs, status);
1333 * Send AEN notification
1336 bfa_fcs_fabric_aen_post(struct bfa_fcs_lport_s *port,
1337 enum bfa_port_aen_event event)
1339 struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
1340 struct bfa_aen_entry_s *aen_entry;
1342 bfad_get_aen_entry(bfad, aen_entry);
1346 aen_entry->aen_data.port.pwwn = bfa_fcs_lport_get_pwwn(port);
1347 aen_entry->aen_data.port.fwwn = bfa_fcs_lport_get_fabric_name(port);
1349 /* Send the AEN notification */
1350 bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
1351 BFA_AEN_CAT_PORT, event);
1356 * @param[in] fabric - fabric
1357 * @param[in] wwn_t - new fabric name
1362 bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric,
1365 struct bfad_s *bfad = (struct bfad_s *)fabric->fcs->bfad;
1366 char pwwn_ptr[BFA_STRING_32];
1367 char fwwn_ptr[BFA_STRING_32];
1369 bfa_trc(fabric->fcs, fabric_name);
1371 if (fabric->fabric_name == 0) {
1373 * With BRCD switches, we don't get Fabric Name in FLOGI.
1374 * Don't generate a fabric name change event in this case.
1376 fabric->fabric_name = fabric_name;
1378 fabric->fabric_name = fabric_name;
1379 wwn2str(pwwn_ptr, bfa_fcs_lport_get_pwwn(&fabric->bport));
1381 bfa_fcs_lport_get_fabric_name(&fabric->bport));
1382 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
1383 "Base port WWN = %s Fabric WWN = %s\n",
1384 pwwn_ptr, fwwn_ptr);
1385 bfa_fcs_fabric_aen_post(&fabric->bport,
1386 BFA_PORT_AEN_FABRIC_NAME_CHANGE);
1391 * Returns FCS vf structure for a given vf_id.
1393 * param[in] vf_id - VF_ID
1396 * If lookup succeeds, retuns fcs vf object, otherwise returns NULL
1399 bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id)
1401 bfa_trc(fcs, vf_id);
1402 if (vf_id == FC_VF_ID_NULL)
1403 return &fcs->fabric;
1409 * Return the list of local logical ports present in the given VF.
1411 * @param[in] vf vf for which logical ports are returned
1412 * @param[out] lpwwn returned logical port wwn list
1413 * @param[in,out] nlports in:size of lpwwn list;
1414 * out:total elements present,
1415 * actual elements returned is limited by the size
1418 bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t lpwwn[], int *nlports)
1420 struct list_head *qe;
1421 struct bfa_fcs_vport_s *vport;
1423 struct bfa_fcs_s *fcs;
1425 if (vf == NULL || lpwwn == NULL || *nlports == 0)
1430 bfa_trc(fcs, vf->vf_id);
1431 bfa_trc(fcs, (uint32_t) *nlports);
1433 lpwwn[i++] = vf->bport.port_cfg.pwwn;
1435 list_for_each(qe, &vf->vport_q) {
1439 vport = (struct bfa_fcs_vport_s *) qe;
1440 lpwwn[i++] = vport->lport.port_cfg.pwwn;
1448 * BFA FCS PPORT ( physical port)
1451 bfa_fcs_port_event_handler(void *cbarg, enum bfa_port_linkstate event)
1453 struct bfa_fcs_s *fcs = cbarg;
1455 bfa_trc(fcs, event);
1458 case BFA_PORT_LINKUP:
1459 bfa_fcs_fabric_link_up(&fcs->fabric);
1462 case BFA_PORT_LINKDOWN:
1463 bfa_fcs_fabric_link_down(&fcs->fabric);
1472 bfa_fcs_port_attach(struct bfa_fcs_s *fcs)
1474 bfa_fcport_event_register(fcs->bfa, bfa_fcs_port_event_handler, fcs);
1478 * BFA FCS UF ( Unsolicited Frames)
1482 * BFA callback for unsolicited frame receive handler.
1484 * @param[in] cbarg callback arg for receive handler
1485 * @param[in] uf unsolicited frame descriptor
1490 bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf)
1492 struct bfa_fcs_s *fcs = (struct bfa_fcs_s *) cbarg;
1493 struct fchs_s *fchs = bfa_uf_get_frmbuf(uf);
1494 u16 len = bfa_uf_get_frmlen(uf);
1495 struct fc_vft_s *vft;
1496 struct bfa_fcs_fabric_s *fabric;
1499 * check for VFT header
1501 if (fchs->routing == FC_RTG_EXT_HDR &&
1502 fchs->cat_info == FC_CAT_VFT_HDR) {
1503 bfa_stats(fcs, uf.tagged);
1504 vft = bfa_uf_get_frmbuf(uf);
1505 if (fcs->port_vfid == vft->vf_id)
1506 fabric = &fcs->fabric;
1508 fabric = bfa_fcs_vf_lookup(fcs, (u16) vft->vf_id);
1511 * drop frame if vfid is unknown
1515 bfa_stats(fcs, uf.vfid_unknown);
1523 fchs = (struct fchs_s *) (vft + 1);
1524 len -= sizeof(struct fc_vft_s);
1526 bfa_trc(fcs, vft->vf_id);
1528 bfa_stats(fcs, uf.untagged);
1529 fabric = &fcs->fabric;
1532 bfa_trc(fcs, ((u32 *) fchs)[0]);
1533 bfa_trc(fcs, ((u32 *) fchs)[1]);
1534 bfa_trc(fcs, ((u32 *) fchs)[2]);
1535 bfa_trc(fcs, ((u32 *) fchs)[3]);
1536 bfa_trc(fcs, ((u32 *) fchs)[4]);
1537 bfa_trc(fcs, ((u32 *) fchs)[5]);
1540 bfa_fcs_fabric_uf_recv(fabric, fchs, len);
1545 bfa_fcs_uf_attach(struct bfa_fcs_s *fcs)
1547 bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs);