2 * Copyright (c) 2005-2009 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 * rport.c Remote port implementation.
25 #include "fcs_vport.h"
26 #include "fcs_lport.h"
27 #include "fcs_rport.h"
28 #include "fcs_fcpim.h"
29 #include "fcs_fcptm.h"
30 #include "fcs_trcmod.h"
33 #include <fcb/bfa_fcb_rport.h>
34 #include <aen/bfa_aen_rport.h>
36 BFA_TRC_FILE(FCS, RPORT);
38 #define BFA_FCS_RPORT_MAX_RETRIES (5)
41 static u32 bfa_fcs_rport_del_timeout =
42 BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000;
45 * forward declarations
47 static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port,
48 wwn_t pwwn, u32 rpid);
49 static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport);
50 static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport);
51 static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport);
52 static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport);
53 static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport,
54 struct fc_logi_s *plogi);
55 static void bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport);
56 static void bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport);
57 static void bfa_fcs_rport_timeout(void *arg);
58 static void bfa_fcs_rport_send_plogi(void *rport_cbarg,
59 struct bfa_fcxp_s *fcxp_alloced);
60 static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg,
61 struct bfa_fcxp_s *fcxp_alloced);
62 static void bfa_fcs_rport_plogi_response(void *fcsarg,
63 struct bfa_fcxp_s *fcxp,
65 bfa_status_t req_status,
68 struct fchs_s *rsp_fchs);
69 static void bfa_fcs_rport_send_adisc(void *rport_cbarg,
70 struct bfa_fcxp_s *fcxp_alloced);
71 static void bfa_fcs_rport_adisc_response(void *fcsarg,
72 struct bfa_fcxp_s *fcxp,
74 bfa_status_t req_status,
77 struct fchs_s *rsp_fchs);
78 static void bfa_fcs_rport_send_gidpn(void *rport_cbarg,
79 struct bfa_fcxp_s *fcxp_alloced);
80 static void bfa_fcs_rport_gidpn_response(void *fcsarg,
81 struct bfa_fcxp_s *fcxp,
83 bfa_status_t req_status,
86 struct fchs_s *rsp_fchs);
87 static void bfa_fcs_rport_send_logo(void *rport_cbarg,
88 struct bfa_fcxp_s *fcxp_alloced);
89 static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg);
90 static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport,
91 struct fchs_s *rx_fchs, u16 len);
92 static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport,
93 struct fchs_s *rx_fchs, u8 reason_code,
95 static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport,
96 struct fchs_s *rx_fchs, u16 len);
98 * fcs_rport_sm FCS rport state machine events
102 RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */
103 RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */
104 RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */
105 RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */
106 RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */
107 RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */
108 RPSM_EVENT_DELETE = 7, /* RPORT delete request */
109 RPSM_EVENT_SCN = 8, /* state change notification */
110 RPSM_EVENT_ACCEPTED = 9,/* Good response from remote device */
111 RPSM_EVENT_FAILED = 10, /* Request to rport failed. */
112 RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */
113 RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */
114 RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */
115 RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */
116 RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */
117 RPSM_EVENT_ADDRESS_DISC = 16 /* Need to Discover rport's PID */
120 static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport,
121 enum rport_event event);
122 static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport,
123 enum rport_event event);
124 static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
125 enum rport_event event);
126 static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport,
127 enum rport_event event);
128 static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport,
129 enum rport_event event);
130 static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
131 enum rport_event event);
132 static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport,
133 enum rport_event event);
134 static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
135 enum rport_event event);
136 static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport,
137 enum rport_event event);
138 static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport,
139 enum rport_event event);
140 static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport,
141 enum rport_event event);
142 static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
143 enum rport_event event);
144 static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
145 enum rport_event event);
146 static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
147 enum rport_event event);
148 static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
149 enum rport_event event);
150 static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
151 enum rport_event event);
152 static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
153 enum rport_event event);
154 static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
155 enum rport_event event);
156 static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport,
157 enum rport_event event);
158 static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport,
159 enum rport_event event);
160 static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport,
161 enum rport_event event);
162 static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
163 enum rport_event event);
164 static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
165 enum rport_event event);
167 static struct bfa_sm_table_s rport_sm_table[] = {
168 {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT},
169 {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI},
170 {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE},
171 {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY},
172 {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI},
173 {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE},
174 {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE},
175 {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY},
176 {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY},
177 {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC},
178 {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC},
179 {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV},
180 {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO},
181 {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE},
182 {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE},
183 {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV},
184 {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO},
185 {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO},
186 {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE},
187 {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC},
188 {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC},
189 {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC},
196 bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event)
198 bfa_trc(rport->fcs, rport->pwwn);
199 bfa_trc(rport->fcs, rport->pid);
200 bfa_trc(rport->fcs, event);
203 case RPSM_EVENT_PLOGI_SEND:
204 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
205 rport->plogi_retries = 0;
206 bfa_fcs_rport_send_plogi(rport, NULL);
209 case RPSM_EVENT_PLOGI_RCVD:
210 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
211 bfa_fcs_rport_send_plogiacc(rport, NULL);
214 case RPSM_EVENT_PLOGI_COMP:
215 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
216 bfa_fcs_rport_hal_online(rport);
219 case RPSM_EVENT_ADDRESS_CHANGE:
220 case RPSM_EVENT_ADDRESS_DISC:
221 bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
222 rport->ns_retries = 0;
223 bfa_fcs_rport_send_gidpn(rport, NULL);
232 * PLOGI is being sent.
235 bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport,
236 enum rport_event event)
238 bfa_trc(rport->fcs, rport->pwwn);
239 bfa_trc(rport->fcs, rport->pid);
240 bfa_trc(rport->fcs, event);
243 case RPSM_EVENT_FCXP_SENT:
244 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi);
247 case RPSM_EVENT_DELETE:
248 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
249 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
250 bfa_fcs_rport_free(rport);
253 case RPSM_EVENT_PLOGI_RCVD:
254 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
255 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
256 bfa_fcs_rport_send_plogiacc(rport, NULL);
259 case RPSM_EVENT_ADDRESS_CHANGE:
260 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
261 bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
262 rport->ns_retries = 0;
263 bfa_fcs_rport_send_gidpn(rport, NULL);
266 case RPSM_EVENT_LOGO_IMP:
268 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
269 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
270 bfa_timer_start(rport->fcs->bfa, &rport->timer,
271 bfa_fcs_rport_timeout, rport,
272 bfa_fcs_rport_del_timeout);
284 * PLOGI is being sent.
287 bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
288 enum rport_event event)
290 bfa_trc(rport->fcs, rport->pwwn);
291 bfa_trc(rport->fcs, rport->pid);
292 bfa_trc(rport->fcs, event);
295 case RPSM_EVENT_FCXP_SENT:
296 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
297 bfa_fcs_rport_hal_online(rport);
300 case RPSM_EVENT_DELETE:
301 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
302 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
303 bfa_fcs_rport_free(rport);
308 * Ignore, SCN is possibly online notification.
312 case RPSM_EVENT_ADDRESS_CHANGE:
313 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
314 bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
315 rport->ns_retries = 0;
316 bfa_fcs_rport_send_gidpn(rport, NULL);
319 case RPSM_EVENT_LOGO_IMP:
321 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
322 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
323 bfa_timer_start(rport->fcs->bfa, &rport->timer,
324 bfa_fcs_rport_timeout, rport,
325 bfa_fcs_rport_del_timeout);
328 case RPSM_EVENT_HCB_OFFLINE:
330 * Ignore BFA callback, on a PLOGI receive we call bfa offline.
343 bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport,
344 enum rport_event event)
346 bfa_trc(rport->fcs, rport->pwwn);
347 bfa_trc(rport->fcs, rport->pid);
348 bfa_trc(rport->fcs, event);
352 bfa_timer_stop(&rport->timer);
357 case RPSM_EVENT_TIMEOUT:
358 rport->plogi_retries++;
359 if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) {
360 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
361 bfa_fcs_rport_send_plogi(rport, NULL);
364 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
365 bfa_timer_start(rport->fcs->bfa, &rport->timer,
366 bfa_fcs_rport_timeout, rport,
367 bfa_fcs_rport_del_timeout);
371 case RPSM_EVENT_DELETE:
372 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
373 bfa_timer_stop(&rport->timer);
374 bfa_fcs_rport_free(rport);
377 case RPSM_EVENT_LOGO_RCVD:
380 case RPSM_EVENT_PLOGI_RCVD:
381 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
382 bfa_timer_stop(&rport->timer);
383 bfa_fcs_rport_send_plogiacc(rport, NULL);
386 case RPSM_EVENT_ADDRESS_CHANGE:
387 bfa_timer_stop(&rport->timer);
388 bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
389 rport->ns_retries = 0;
390 bfa_fcs_rport_send_gidpn(rport, NULL);
393 case RPSM_EVENT_LOGO_IMP:
395 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
396 bfa_timer_stop(&rport->timer);
397 bfa_timer_start(rport->fcs->bfa, &rport->timer,
398 bfa_fcs_rport_timeout, rport,
399 bfa_fcs_rport_del_timeout);
402 case RPSM_EVENT_PLOGI_COMP:
403 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
404 bfa_timer_stop(&rport->timer);
405 bfa_fcs_rport_hal_online(rport);
417 bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event)
419 bfa_trc(rport->fcs, rport->pwwn);
420 bfa_trc(rport->fcs, rport->pid);
421 bfa_trc(rport->fcs, event);
424 case RPSM_EVENT_ACCEPTED:
425 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
426 rport->plogi_retries = 0;
427 bfa_fcs_rport_hal_online(rport);
430 case RPSM_EVENT_LOGO_RCVD:
431 bfa_fcs_rport_send_logo_acc(rport);
432 bfa_fcxp_discard(rport->fcxp);
436 case RPSM_EVENT_FAILED:
437 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry);
438 bfa_timer_start(rport->fcs->bfa, &rport->timer,
439 bfa_fcs_rport_timeout, rport,
440 BFA_FCS_RETRY_TIMEOUT);
443 case RPSM_EVENT_LOGO_IMP:
445 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
446 bfa_fcxp_discard(rport->fcxp);
447 bfa_timer_start(rport->fcs->bfa, &rport->timer,
448 bfa_fcs_rport_timeout, rport,
449 bfa_fcs_rport_del_timeout);
452 case RPSM_EVENT_ADDRESS_CHANGE:
453 bfa_fcxp_discard(rport->fcxp);
454 bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
455 rport->ns_retries = 0;
456 bfa_fcs_rport_send_gidpn(rport, NULL);
459 case RPSM_EVENT_PLOGI_RCVD:
460 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
461 bfa_fcxp_discard(rport->fcxp);
462 bfa_fcs_rport_send_plogiacc(rport, NULL);
467 * Ignore SCN - wait for PLOGI response.
471 case RPSM_EVENT_DELETE:
472 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
473 bfa_fcxp_discard(rport->fcxp);
474 bfa_fcs_rport_free(rport);
477 case RPSM_EVENT_PLOGI_COMP:
478 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
479 bfa_fcxp_discard(rport->fcxp);
480 bfa_fcs_rport_hal_online(rport);
489 * PLOGI is complete. Awaiting BFA rport online callback. FC-4s
493 bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
494 enum rport_event event)
496 bfa_trc(rport->fcs, rport->pwwn);
497 bfa_trc(rport->fcs, rport->pid);
498 bfa_trc(rport->fcs, event);
501 case RPSM_EVENT_HCB_ONLINE:
502 bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
503 bfa_fcs_rport_online_action(rport);
506 case RPSM_EVENT_LOGO_RCVD:
507 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv);
508 bfa_rport_offline(rport->bfa_rport);
511 case RPSM_EVENT_LOGO_IMP:
512 case RPSM_EVENT_ADDRESS_CHANGE:
513 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
514 bfa_rport_offline(rport->bfa_rport);
517 case RPSM_EVENT_PLOGI_RCVD:
518 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
519 bfa_rport_offline(rport->bfa_rport);
520 bfa_fcs_rport_send_plogiacc(rport, NULL);
523 case RPSM_EVENT_DELETE:
524 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend);
525 bfa_rport_offline(rport->bfa_rport);
531 * Ignore SCN - PLOGI just completed, FC-4 login should detect
542 * Rport is ONLINE. FC-4s active.
545 bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event)
547 bfa_trc(rport->fcs, rport->pwwn);
548 bfa_trc(rport->fcs, rport->pid);
549 bfa_trc(rport->fcs, event);
554 * Pause FC-4 activity till rport is authenticated.
555 * In switched fabrics, check presence of device in nameserver
558 bfa_fcs_rport_fc4_pause(rport);
560 if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
561 bfa_sm_set_state(rport,
562 bfa_fcs_rport_sm_nsquery_sending);
563 rport->ns_retries = 0;
564 bfa_fcs_rport_send_gidpn(rport, NULL);
566 bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending);
567 bfa_fcs_rport_send_adisc(rport, NULL);
571 case RPSM_EVENT_PLOGI_RCVD:
572 case RPSM_EVENT_LOGO_IMP:
573 case RPSM_EVENT_ADDRESS_CHANGE:
574 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
575 bfa_fcs_rport_offline_action(rport);
578 case RPSM_EVENT_DELETE:
579 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
580 bfa_fcs_rport_offline_action(rport);
583 case RPSM_EVENT_LOGO_RCVD:
584 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
585 bfa_fcs_rport_offline_action(rport);
588 case RPSM_EVENT_PLOGI_COMP:
597 * An SCN event is received in ONLINE state. NS query is being sent
598 * prior to ADISC authentication with rport. FC-4s are paused.
601 bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
602 enum rport_event event)
604 bfa_trc(rport->fcs, rport->pwwn);
605 bfa_trc(rport->fcs, rport->pid);
606 bfa_trc(rport->fcs, event);
609 case RPSM_EVENT_FCXP_SENT:
610 bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery);
613 case RPSM_EVENT_DELETE:
614 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
615 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
616 bfa_fcs_rport_offline_action(rport);
621 * ignore SCN, wait for response to query itself
625 case RPSM_EVENT_LOGO_RCVD:
626 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
627 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
628 bfa_fcs_rport_offline_action(rport);
631 case RPSM_EVENT_LOGO_IMP:
633 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
634 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
635 bfa_timer_start(rport->fcs->bfa, &rport->timer,
636 bfa_fcs_rport_timeout, rport,
637 bfa_fcs_rport_del_timeout);
640 case RPSM_EVENT_PLOGI_RCVD:
641 case RPSM_EVENT_ADDRESS_CHANGE:
642 case RPSM_EVENT_PLOGI_COMP:
643 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
644 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
645 bfa_fcs_rport_offline_action(rport);
654 * An SCN event is received in ONLINE state. NS query is sent to rport.
658 bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event)
660 bfa_trc(rport->fcs, rport->pwwn);
661 bfa_trc(rport->fcs, rport->pid);
662 bfa_trc(rport->fcs, event);
665 case RPSM_EVENT_ACCEPTED:
666 bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending);
667 bfa_fcs_rport_send_adisc(rport, NULL);
670 case RPSM_EVENT_FAILED:
672 if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) {
673 bfa_sm_set_state(rport,
674 bfa_fcs_rport_sm_nsquery_sending);
675 bfa_fcs_rport_send_gidpn(rport, NULL);
677 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
678 bfa_fcs_rport_offline_action(rport);
682 case RPSM_EVENT_DELETE:
683 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
684 bfa_fcxp_discard(rport->fcxp);
685 bfa_fcs_rport_offline_action(rport);
691 case RPSM_EVENT_LOGO_RCVD:
692 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
693 bfa_fcxp_discard(rport->fcxp);
694 bfa_fcs_rport_offline_action(rport);
697 case RPSM_EVENT_PLOGI_COMP:
698 case RPSM_EVENT_ADDRESS_CHANGE:
699 case RPSM_EVENT_PLOGI_RCVD:
700 case RPSM_EVENT_LOGO_IMP:
701 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
702 bfa_fcxp_discard(rport->fcxp);
703 bfa_fcs_rport_offline_action(rport);
712 * An SCN event is received in ONLINE state. ADISC is being sent for
713 * authenticating with rport. FC-4s are paused.
716 bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport,
717 enum rport_event event)
719 bfa_trc(rport->fcs, rport->pwwn);
720 bfa_trc(rport->fcs, rport->pid);
721 bfa_trc(rport->fcs, event);
724 case RPSM_EVENT_FCXP_SENT:
725 bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc);
728 case RPSM_EVENT_DELETE:
729 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
730 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
731 bfa_fcs_rport_offline_action(rport);
734 case RPSM_EVENT_LOGO_IMP:
735 case RPSM_EVENT_ADDRESS_CHANGE:
736 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
737 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
738 bfa_fcs_rport_offline_action(rport);
741 case RPSM_EVENT_LOGO_RCVD:
742 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
743 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
744 bfa_fcs_rport_offline_action(rport);
750 case RPSM_EVENT_PLOGI_RCVD:
751 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
752 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
753 bfa_fcs_rport_offline_action(rport);
762 * An SCN event is received in ONLINE state. ADISC is to rport.
766 bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event)
768 bfa_trc(rport->fcs, rport->pwwn);
769 bfa_trc(rport->fcs, rport->pid);
770 bfa_trc(rport->fcs, event);
773 case RPSM_EVENT_ACCEPTED:
774 bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
775 bfa_fcs_rport_fc4_resume(rport);
778 case RPSM_EVENT_PLOGI_RCVD:
780 * Too complex to cleanup FC-4 & rport and then acc to PLOGI.
781 * At least go offline when a PLOGI is received.
783 bfa_fcxp_discard(rport->fcxp);
785 * !!! fall through !!!
788 case RPSM_EVENT_FAILED:
789 case RPSM_EVENT_ADDRESS_CHANGE:
790 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
791 bfa_fcs_rport_offline_action(rport);
794 case RPSM_EVENT_DELETE:
795 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
796 bfa_fcxp_discard(rport->fcxp);
797 bfa_fcs_rport_offline_action(rport);
802 * already processing RSCN
806 case RPSM_EVENT_LOGO_IMP:
807 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
808 bfa_fcxp_discard(rport->fcxp);
809 bfa_fcs_rport_offline_action(rport);
812 case RPSM_EVENT_LOGO_RCVD:
813 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
814 bfa_fcxp_discard(rport->fcxp);
815 bfa_fcs_rport_offline_action(rport);
824 * Rport has sent LOGO. Awaiting FC-4 offline completion callback.
827 bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
828 enum rport_event event)
830 bfa_trc(rport->fcs, rport->pwwn);
831 bfa_trc(rport->fcs, rport->pid);
832 bfa_trc(rport->fcs, event);
835 case RPSM_EVENT_FC4_OFFLINE:
836 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv);
837 bfa_rport_offline(rport->bfa_rport);
840 case RPSM_EVENT_DELETE:
841 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
844 case RPSM_EVENT_LOGO_RCVD:
845 case RPSM_EVENT_ADDRESS_CHANGE:
854 * LOGO needs to be sent to rport. Awaiting FC-4 offline completion
858 bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
859 enum rport_event event)
861 bfa_trc(rport->fcs, rport->pwwn);
862 bfa_trc(rport->fcs, rport->pid);
863 bfa_trc(rport->fcs, event);
866 case RPSM_EVENT_FC4_OFFLINE:
867 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend);
868 bfa_rport_offline(rport->bfa_rport);
877 * Rport is going offline. Awaiting FC-4 offline completion callback.
880 bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
881 enum rport_event event)
883 bfa_trc(rport->fcs, rport->pwwn);
884 bfa_trc(rport->fcs, rport->pid);
885 bfa_trc(rport->fcs, event);
888 case RPSM_EVENT_FC4_OFFLINE:
889 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
890 bfa_rport_offline(rport->bfa_rport);
894 case RPSM_EVENT_LOGO_IMP:
895 case RPSM_EVENT_LOGO_RCVD:
896 case RPSM_EVENT_ADDRESS_CHANGE:
898 * rport is already going offline.
899 * SCN - ignore and wait till transitioning to offline state
903 case RPSM_EVENT_DELETE:
904 bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
913 * Rport is offline. FC-4s are offline. Awaiting BFA rport offline
917 bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
918 enum rport_event event)
920 bfa_trc(rport->fcs, rport->pwwn);
921 bfa_trc(rport->fcs, rport->pid);
922 bfa_trc(rport->fcs, event);
925 case RPSM_EVENT_HCB_OFFLINE:
926 case RPSM_EVENT_ADDRESS_CHANGE:
927 if (bfa_fcs_port_is_online(rport->port)) {
928 bfa_sm_set_state(rport,
929 bfa_fcs_rport_sm_nsdisc_sending);
930 rport->ns_retries = 0;
931 bfa_fcs_rport_send_gidpn(rport, NULL);
934 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
935 bfa_timer_start(rport->fcs->bfa, &rport->timer,
936 bfa_fcs_rport_timeout, rport,
937 bfa_fcs_rport_del_timeout);
941 case RPSM_EVENT_DELETE:
942 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
943 bfa_fcs_rport_free(rport);
947 case RPSM_EVENT_LOGO_RCVD:
949 * Ignore, already offline.
959 * Rport is offline. FC-4s are offline. Awaiting BFA rport offline
960 * callback to send LOGO accept.
963 bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
964 enum rport_event event)
966 bfa_trc(rport->fcs, rport->pwwn);
967 bfa_trc(rport->fcs, rport->pid);
968 bfa_trc(rport->fcs, event);
971 case RPSM_EVENT_HCB_OFFLINE:
972 case RPSM_EVENT_ADDRESS_CHANGE:
974 bfa_fcs_rport_send_logo_acc(rport);
976 * If the lport is online and if the rport is not a well known
977 * address port, we try to re-discover the r-port.
979 if (bfa_fcs_port_is_online(rport->port)
980 && (!BFA_FCS_PID_IS_WKA(rport->pid))) {
981 bfa_sm_set_state(rport,
982 bfa_fcs_rport_sm_nsdisc_sending);
983 rport->ns_retries = 0;
984 bfa_fcs_rport_send_gidpn(rport, NULL);
987 * if it is not a well known address, reset the pid to
990 if (!BFA_FCS_PID_IS_WKA(rport->pid))
992 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
993 bfa_timer_start(rport->fcs->bfa, &rport->timer,
994 bfa_fcs_rport_timeout, rport,
995 bfa_fcs_rport_del_timeout);
999 case RPSM_EVENT_DELETE:
1000 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend);
1003 case RPSM_EVENT_LOGO_IMP:
1004 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
1007 case RPSM_EVENT_LOGO_RCVD:
1009 * Ignore - already processing a LOGO.
1019 * Rport is being deleted. FC-4s are offline. Awaiting BFA rport offline
1020 * callback to send LOGO.
1023 bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
1024 enum rport_event event)
1026 bfa_trc(rport->fcs, rport->pwwn);
1027 bfa_trc(rport->fcs, rport->pid);
1028 bfa_trc(rport->fcs, event);
1031 case RPSM_EVENT_HCB_OFFLINE:
1032 bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending);
1033 bfa_fcs_rport_send_logo(rport, NULL);
1036 case RPSM_EVENT_LOGO_RCVD:
1037 case RPSM_EVENT_ADDRESS_CHANGE:
1046 * Rport is being deleted. FC-4s are offline. LOGO is being sent.
1049 bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
1050 enum rport_event event)
1052 bfa_trc(rport->fcs, rport->pwwn);
1053 bfa_trc(rport->fcs, rport->pid);
1054 bfa_trc(rport->fcs, event);
1057 case RPSM_EVENT_FCXP_SENT:
1059 * Once LOGO is sent, we donot wait for the response
1061 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1062 bfa_fcs_rport_free(rport);
1065 case RPSM_EVENT_SCN:
1066 case RPSM_EVENT_ADDRESS_CHANGE:
1069 case RPSM_EVENT_LOGO_RCVD:
1070 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1071 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
1072 bfa_fcs_rport_free(rport);
1081 * Rport is offline. FC-4s are offline. BFA rport is offline.
1082 * Timer active to delete stale rport.
1085 bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event)
1087 bfa_trc(rport->fcs, rport->pwwn);
1088 bfa_trc(rport->fcs, rport->pid);
1089 bfa_trc(rport->fcs, event);
1092 case RPSM_EVENT_TIMEOUT:
1093 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1094 bfa_fcs_rport_free(rport);
1097 case RPSM_EVENT_SCN:
1098 case RPSM_EVENT_ADDRESS_CHANGE:
1099 bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
1100 bfa_timer_stop(&rport->timer);
1101 rport->ns_retries = 0;
1102 bfa_fcs_rport_send_gidpn(rport, NULL);
1105 case RPSM_EVENT_DELETE:
1106 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1107 bfa_timer_stop(&rport->timer);
1108 bfa_fcs_rport_free(rport);
1111 case RPSM_EVENT_PLOGI_RCVD:
1112 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
1113 bfa_timer_stop(&rport->timer);
1114 bfa_fcs_rport_send_plogiacc(rport, NULL);
1117 case RPSM_EVENT_LOGO_RCVD:
1118 case RPSM_EVENT_LOGO_IMP:
1121 case RPSM_EVENT_PLOGI_COMP:
1122 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
1123 bfa_timer_stop(&rport->timer);
1124 bfa_fcs_rport_hal_online(rport);
1127 case RPSM_EVENT_PLOGI_SEND:
1128 bfa_timer_stop(&rport->timer);
1129 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
1130 rport->plogi_retries = 0;
1131 bfa_fcs_rport_send_plogi(rport, NULL);
1140 * Rport address has changed. Nameserver discovery request is being sent.
1143 bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport,
1144 enum rport_event event)
1146 bfa_trc(rport->fcs, rport->pwwn);
1147 bfa_trc(rport->fcs, rport->pid);
1148 bfa_trc(rport->fcs, event);
1151 case RPSM_EVENT_FCXP_SENT:
1152 bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent);
1155 case RPSM_EVENT_DELETE:
1156 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1157 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
1158 bfa_fcs_rport_free(rport);
1161 case RPSM_EVENT_PLOGI_RCVD:
1162 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
1163 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
1164 bfa_fcs_rport_send_plogiacc(rport, NULL);
1167 case RPSM_EVENT_SCN:
1168 case RPSM_EVENT_LOGO_RCVD:
1169 case RPSM_EVENT_PLOGI_SEND:
1172 case RPSM_EVENT_ADDRESS_CHANGE:
1173 rport->ns_retries = 0; /* reset the retry count */
1176 case RPSM_EVENT_LOGO_IMP:
1177 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
1178 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
1179 bfa_timer_start(rport->fcs->bfa, &rport->timer,
1180 bfa_fcs_rport_timeout, rport,
1181 bfa_fcs_rport_del_timeout);
1184 case RPSM_EVENT_PLOGI_COMP:
1185 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
1186 bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
1187 bfa_fcs_rport_hal_online(rport);
1196 * Nameserver discovery failed. Waiting for timeout to retry.
1199 bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport,
1200 enum rport_event event)
1202 bfa_trc(rport->fcs, rport->pwwn);
1203 bfa_trc(rport->fcs, rport->pid);
1204 bfa_trc(rport->fcs, event);
1207 case RPSM_EVENT_TIMEOUT:
1208 bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
1209 bfa_fcs_rport_send_gidpn(rport, NULL);
1212 case RPSM_EVENT_SCN:
1213 case RPSM_EVENT_ADDRESS_CHANGE:
1214 bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
1215 bfa_timer_stop(&rport->timer);
1216 rport->ns_retries = 0;
1217 bfa_fcs_rport_send_gidpn(rport, NULL);
1220 case RPSM_EVENT_DELETE:
1221 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1222 bfa_timer_stop(&rport->timer);
1223 bfa_fcs_rport_free(rport);
1226 case RPSM_EVENT_PLOGI_RCVD:
1227 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
1228 bfa_timer_stop(&rport->timer);
1229 bfa_fcs_rport_send_plogiacc(rport, NULL);
1232 case RPSM_EVENT_LOGO_IMP:
1234 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
1235 bfa_timer_stop(&rport->timer);
1236 bfa_timer_start(rport->fcs->bfa, &rport->timer,
1237 bfa_fcs_rport_timeout, rport,
1238 bfa_fcs_rport_del_timeout);
1241 case RPSM_EVENT_LOGO_RCVD:
1242 bfa_fcs_rport_send_logo_acc(rport);
1245 case RPSM_EVENT_PLOGI_COMP:
1246 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
1247 bfa_timer_stop(&rport->timer);
1248 bfa_fcs_rport_hal_online(rport);
1257 * Rport address has changed. Nameserver discovery request is sent.
1260 bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
1261 enum rport_event event)
1263 bfa_trc(rport->fcs, rport->pwwn);
1264 bfa_trc(rport->fcs, rport->pid);
1265 bfa_trc(rport->fcs, event);
1268 case RPSM_EVENT_ACCEPTED:
1269 case RPSM_EVENT_ADDRESS_CHANGE:
1271 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
1272 bfa_fcs_rport_send_plogi(rport, NULL);
1274 bfa_sm_set_state(rport,
1275 bfa_fcs_rport_sm_nsdisc_sending);
1276 rport->ns_retries = 0;
1277 bfa_fcs_rport_send_gidpn(rport, NULL);
1281 case RPSM_EVENT_FAILED:
1282 rport->ns_retries++;
1283 if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) {
1284 bfa_sm_set_state(rport,
1285 bfa_fcs_rport_sm_nsdisc_sending);
1286 bfa_fcs_rport_send_gidpn(rport, NULL);
1289 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
1290 bfa_timer_start(rport->fcs->bfa, &rport->timer,
1291 bfa_fcs_rport_timeout, rport,
1292 bfa_fcs_rport_del_timeout);
1296 case RPSM_EVENT_DELETE:
1297 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1298 bfa_fcxp_discard(rport->fcxp);
1299 bfa_fcs_rport_free(rport);
1302 case RPSM_EVENT_PLOGI_RCVD:
1303 bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
1304 bfa_fcxp_discard(rport->fcxp);
1305 bfa_fcs_rport_send_plogiacc(rport, NULL);
1308 case RPSM_EVENT_LOGO_IMP:
1310 bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
1311 bfa_fcxp_discard(rport->fcxp);
1312 bfa_timer_start(rport->fcs->bfa, &rport->timer,
1313 bfa_fcs_rport_timeout, rport,
1314 bfa_fcs_rport_del_timeout);
1317 case RPSM_EVENT_SCN:
1319 * ignore, wait for NS query response
1323 case RPSM_EVENT_LOGO_RCVD:
1325 * Not logged-in yet. Accept LOGO.
1327 bfa_fcs_rport_send_logo_acc(rport);
1330 case RPSM_EVENT_PLOGI_COMP:
1331 bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
1332 bfa_fcxp_discard(rport->fcxp);
1333 bfa_fcs_rport_hal_online(rport);
1344 * fcs_rport_private FCS RPORT provate functions
1348 bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1350 struct bfa_fcs_rport_s *rport = rport_cbarg;
1351 struct bfa_fcs_port_s *port = rport->port;
1354 struct bfa_fcxp_s *fcxp;
1356 bfa_trc(rport->fcs, rport->pwwn);
1358 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1360 bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
1361 bfa_fcs_rport_send_plogi, rport);
1366 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
1367 bfa_fcs_port_get_fcid(port), 0,
1368 port->port_cfg.pwwn, port->port_cfg.nwwn,
1369 bfa_pport_get_maxfrsize(port->fcs->bfa));
1371 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1372 FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response,
1373 (void *)rport, FC_MAX_PDUSZ, FC_RA_TOV);
1375 rport->stats.plogis++;
1376 bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
1380 bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
1381 bfa_status_t req_status, u32 rsp_len,
1382 u32 resid_len, struct fchs_s *rsp_fchs)
1384 struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
1385 struct fc_logi_s *plogi_rsp;
1386 struct fc_ls_rjt_s *ls_rjt;
1387 struct bfa_fcs_rport_s *twin;
1388 struct list_head *qe;
1390 bfa_trc(rport->fcs, rport->pwwn);
1395 if (req_status != BFA_STATUS_OK) {
1396 bfa_trc(rport->fcs, req_status);
1397 rport->stats.plogi_failed++;
1398 bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
1402 plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp);
1405 * Check for failure first.
1407 if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) {
1408 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
1410 bfa_trc(rport->fcs, ls_rjt->reason_code);
1411 bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
1413 rport->stats.plogi_rejects++;
1414 bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
1419 * PLOGI is complete. Make sure this device is not one of the known
1420 * device with a new FC port address.
1422 list_for_each(qe, &rport->port->rport_q) {
1423 twin = (struct bfa_fcs_rport_s *)qe;
1426 if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) {
1427 bfa_trc(rport->fcs, twin->pid);
1428 bfa_trc(rport->fcs, rport->pid);
1431 * Update plogi stats in twin
1433 twin->stats.plogis += rport->stats.plogis;
1434 twin->stats.plogi_rejects += rport->stats.plogi_rejects;
1435 twin->stats.plogi_timeouts +=
1436 rport->stats.plogi_timeouts;
1437 twin->stats.plogi_failed += rport->stats.plogi_failed;
1438 twin->stats.plogi_rcvd += rport->stats.plogi_rcvd;
1439 twin->stats.plogi_accs++;
1441 bfa_fcs_rport_delete(rport);
1443 bfa_fcs_rport_update(twin, plogi_rsp);
1444 twin->pid = rsp_fchs->s_id;
1445 bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP);
1451 * Normal login path -- no evil twins.
1453 rport->stats.plogi_accs++;
1454 bfa_fcs_rport_update(rport, plogi_rsp);
1455 bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
1459 bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1461 struct bfa_fcs_rport_s *rport = rport_cbarg;
1462 struct bfa_fcs_port_s *port = rport->port;
1465 struct bfa_fcxp_s *fcxp;
1467 bfa_trc(rport->fcs, rport->pwwn);
1468 bfa_trc(rport->fcs, rport->reply_oxid);
1470 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1472 bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
1473 bfa_fcs_rport_send_plogiacc, rport);
1478 len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
1479 bfa_fcs_port_get_fcid(port), rport->reply_oxid,
1480 port->port_cfg.pwwn, port->port_cfg.nwwn,
1481 bfa_pport_get_maxfrsize(port->fcs->bfa));
1483 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1484 FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
1486 bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
1490 bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1492 struct bfa_fcs_rport_s *rport = rport_cbarg;
1493 struct bfa_fcs_port_s *port = rport->port;
1496 struct bfa_fcxp_s *fcxp;
1498 bfa_trc(rport->fcs, rport->pwwn);
1500 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1502 bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
1503 bfa_fcs_rport_send_adisc, rport);
1508 len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
1509 bfa_fcs_port_get_fcid(port), 0,
1510 port->port_cfg.pwwn, port->port_cfg.nwwn);
1512 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1513 FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response,
1514 rport, FC_MAX_PDUSZ, FC_RA_TOV);
1516 rport->stats.adisc_sent++;
1517 bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
1521 bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
1522 bfa_status_t req_status, u32 rsp_len,
1523 u32 resid_len, struct fchs_s *rsp_fchs)
1525 struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
1526 void *pld = bfa_fcxp_get_rspbuf(fcxp);
1527 struct fc_ls_rjt_s *ls_rjt;
1529 if (req_status != BFA_STATUS_OK) {
1530 bfa_trc(rport->fcs, req_status);
1531 rport->stats.adisc_failed++;
1532 bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
1536 if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn,
1537 rport->nwwn) == FC_PARSE_OK) {
1538 rport->stats.adisc_accs++;
1539 bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
1543 rport->stats.adisc_rejects++;
1545 bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code);
1546 bfa_trc(rport->fcs, ls_rjt->reason_code);
1547 bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
1548 bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
1552 bfa_fcs_rport_send_gidpn(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1554 struct bfa_fcs_rport_s *rport = rport_cbarg;
1555 struct bfa_fcs_port_s *port = rport->port;
1557 struct bfa_fcxp_s *fcxp;
1560 bfa_trc(rport->fcs, rport->pid);
1562 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1564 bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
1565 bfa_fcs_rport_send_gidpn, rport);
1570 len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
1571 bfa_fcs_port_get_fcid(port), 0, rport->pwwn);
1573 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1574 FC_CLASS_3, len, &fchs, bfa_fcs_rport_gidpn_response,
1575 (void *)rport, FC_MAX_PDUSZ, FC_RA_TOV);
1577 bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
1581 bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
1582 bfa_status_t req_status, u32 rsp_len,
1583 u32 resid_len, struct fchs_s *rsp_fchs)
1585 struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
1586 struct bfa_fcs_rport_s *twin;
1587 struct list_head *qe;
1588 struct ct_hdr_s *cthdr;
1589 struct fcgs_gidpn_resp_s *gidpn_rsp;
1591 bfa_trc(rport->fcs, rport->pwwn);
1593 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
1594 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
1596 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
1598 * Check if the pid is the same as before.
1600 gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1);
1602 if (gidpn_rsp->dap == rport->pid) {
1606 bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
1609 * Device's PID has changed. We need to cleanup and
1610 * re-login. If there is another device with the the
1611 * newly discovered pid, send an scn notice so that its
1612 * new pid can be discovered.
1614 list_for_each(qe, &rport->port->rport_q) {
1615 twin = (struct bfa_fcs_rport_s *)qe;
1618 if (gidpn_rsp->dap == twin->pid) {
1619 bfa_trc(rport->fcs, twin->pid);
1620 bfa_trc(rport->fcs, rport->pid);
1623 bfa_sm_send_event(twin,
1624 RPSM_EVENT_ADDRESS_CHANGE);
1627 rport->pid = gidpn_rsp->dap;
1628 bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE);
1636 switch (cthdr->reason_code) {
1637 case CT_RSN_LOGICAL_BUSY:
1641 bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT);
1644 case CT_RSN_UNABLE_TO_PERF:
1646 * device doesn't exist : Start timer to cleanup this later.
1648 bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
1652 bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
1658 * Called to send a logout to the rport.
1661 bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1663 struct bfa_fcs_rport_s *rport = rport_cbarg;
1664 struct bfa_fcs_port_s *port;
1666 struct bfa_fcxp_s *fcxp;
1669 bfa_trc(rport->fcs, rport->pid);
1673 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1675 bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
1676 bfa_fcs_rport_send_logo, rport);
1681 len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
1682 bfa_fcs_port_get_fcid(port), 0,
1683 bfa_fcs_port_get_pwwn(port));
1685 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1686 FC_CLASS_3, len, &fchs, NULL, rport, FC_MAX_PDUSZ,
1689 rport->stats.logos++;
1690 bfa_fcxp_discard(rport->fcxp);
1691 bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
1695 * Send ACC for a LOGO received.
1698 bfa_fcs_rport_send_logo_acc(void *rport_cbarg)
1700 struct bfa_fcs_rport_s *rport = rport_cbarg;
1701 struct bfa_fcs_port_s *port;
1703 struct bfa_fcxp_s *fcxp;
1706 bfa_trc(rport->fcs, rport->pid);
1710 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
1714 rport->stats.logo_rcvd++;
1715 len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
1716 bfa_fcs_port_get_fcid(port), rport->reply_oxid);
1718 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1719 FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
1723 * This routine will be called by bfa_timer on timer timeouts.
1725 * param[in] rport - pointer to bfa_fcs_port_ns_t.
1726 * param[out] rport_status - pointer to return vport status in
1731 * Special Considerations:
1736 bfa_fcs_rport_timeout(void *arg)
1738 struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)arg;
1740 rport->stats.plogi_timeouts++;
1741 bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT);
1745 bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport,
1746 struct fchs_s *rx_fchs, u16 len)
1748 struct bfa_fcxp_s *fcxp;
1750 struct bfa_fcs_port_s *port = rport->port;
1751 struct fc_prli_s *prli;
1753 bfa_trc(port->fcs, rx_fchs->s_id);
1754 bfa_trc(port->fcs, rx_fchs->d_id);
1756 rport->stats.prli_rcvd++;
1758 if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) {
1760 * Target Mode : Let the fcptm handle it
1762 bfa_fcs_tin_rx_prli(rport->tin, rx_fchs, len);
1767 * We are either in Initiator or ipfc Mode
1769 prli = (struct fc_prli_s *) (rx_fchs + 1);
1771 if (prli->parampage.servparams.initiator) {
1772 bfa_trc(rport->fcs, prli->parampage.type);
1773 rport->scsi_function = BFA_RPORT_INITIATOR;
1774 bfa_fcs_itnim_is_initiator(rport->itnim);
1777 * @todo: PRLI from a target ?
1779 bfa_trc(port->fcs, rx_fchs->s_id);
1780 rport->scsi_function = BFA_RPORT_TARGET;
1783 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
1787 len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id,
1788 bfa_fcs_port_get_fcid(port), rx_fchs->ox_id,
1789 port->port_cfg.roles);
1791 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1792 FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
1796 bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport,
1797 struct fchs_s *rx_fchs, u16 len)
1799 struct bfa_fcxp_s *fcxp;
1801 struct bfa_fcs_port_s *port = rport->port;
1802 struct fc_rpsc_speed_info_s speeds;
1803 struct bfa_pport_attr_s pport_attr;
1805 bfa_trc(port->fcs, rx_fchs->s_id);
1806 bfa_trc(port->fcs, rx_fchs->d_id);
1808 rport->stats.rpsc_rcvd++;
1809 speeds.port_speed_cap =
1810 RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G |
1814 * get curent speed from pport attributes from BFA
1816 bfa_pport_get_attr(port->fcs->bfa, &pport_attr);
1818 speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed);
1820 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
1824 len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id,
1825 bfa_fcs_port_get_fcid(port), rx_fchs->ox_id,
1828 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1829 FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
1833 bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport,
1834 struct fchs_s *rx_fchs, u16 len)
1836 struct bfa_fcxp_s *fcxp;
1838 struct bfa_fcs_port_s *port = rport->port;
1839 struct fc_adisc_s *adisc;
1841 bfa_trc(port->fcs, rx_fchs->s_id);
1842 bfa_trc(port->fcs, rx_fchs->d_id);
1844 rport->stats.adisc_rcvd++;
1846 if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) {
1848 * @todo : Target Mode handling
1850 bfa_trc(port->fcs, rx_fchs->d_id);
1855 adisc = (struct fc_adisc_s *) (rx_fchs + 1);
1858 * Accept if the itnim for this rport is online. Else reject the ADISC
1860 if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) {
1862 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
1866 len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
1868 bfa_fcs_port_get_fcid(port),
1869 rx_fchs->ox_id, port->port_cfg.pwwn,
1870 port->port_cfg.nwwn);
1872 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
1873 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
1876 rport->stats.adisc_rejected++;
1877 bfa_fcs_rport_send_ls_rjt(rport, rx_fchs,
1878 FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
1879 FC_LS_RJT_EXP_LOGIN_REQUIRED);
1885 bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport)
1887 struct bfa_fcs_port_s *port = rport->port;
1888 struct bfa_rport_info_s rport_info;
1890 rport_info.pid = rport->pid;
1891 rport_info.local_pid = port->pid;
1892 rport_info.lp_tag = port->lp_tag;
1893 rport_info.vf_id = port->fabric->vf_id;
1894 rport_info.vf_en = port->fabric->is_vf;
1895 rport_info.fc_class = rport->fc_cos;
1896 rport_info.cisc = rport->cisc;
1897 rport_info.max_frmsz = rport->maxfrsize;
1898 bfa_rport_online(rport->bfa_rport, &rport_info);
1902 bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport)
1904 if (bfa_fcs_port_is_initiator(rport->port))
1905 bfa_fcs_itnim_pause(rport->itnim);
1907 if (bfa_fcs_port_is_target(rport->port))
1908 bfa_fcs_tin_pause(rport->tin);
1912 bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport)
1914 if (bfa_fcs_port_is_initiator(rport->port))
1915 bfa_fcs_itnim_resume(rport->itnim);
1917 if (bfa_fcs_port_is_target(rport->port))
1918 bfa_fcs_tin_resume(rport->tin);
1921 static struct bfa_fcs_rport_s *
1922 bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, wwn_t pwwn, u32 rpid)
1924 struct bfa_fcs_s *fcs = port->fcs;
1925 struct bfa_fcs_rport_s *rport;
1926 struct bfad_rport_s *rport_drv;
1931 if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv)
1942 rport->rp_drv = rport_drv;
1947 * allocate BFA rport
1949 rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport);
1950 if (!rport->bfa_rport) {
1959 bfa_assert(bfa_fcs_port_is_initiator(port) ^
1960 bfa_fcs_port_is_target(port));
1962 if (bfa_fcs_port_is_initiator(port)) {
1963 rport->itnim = bfa_fcs_itnim_create(rport);
1964 if (!rport->itnim) {
1966 bfa_rport_delete(rport->bfa_rport);
1972 if (bfa_fcs_port_is_target(port)) {
1973 rport->tin = bfa_fcs_tin_create(rport);
1976 bfa_rport_delete(rport->bfa_rport);
1982 bfa_fcs_port_add_rport(port, rport);
1984 bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1987 * Initialize the Rport Features(RPF) Sub Module
1989 if (!BFA_FCS_PID_IS_WKA(rport->pid))
1990 bfa_fcs_rpf_init(rport);
1997 bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport)
1999 struct bfa_fcs_port_s *port = rport->port;
2003 * - delete BFA rport
2004 * - remove from queue of rports
2006 if (bfa_fcs_port_is_initiator(port))
2007 bfa_fcs_itnim_delete(rport->itnim);
2009 if (bfa_fcs_port_is_target(port))
2010 bfa_fcs_tin_delete(rport->tin);
2012 bfa_rport_delete(rport->bfa_rport);
2013 bfa_fcs_port_del_rport(port, rport);
2014 kfree(rport->rp_drv);
2018 bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport,
2019 enum bfa_rport_aen_event event,
2020 struct bfa_rport_aen_data_s *data)
2022 union bfa_aen_data_u aen_data;
2023 struct bfa_log_mod_s *logmod = rport->fcs->logm;
2024 wwn_t lpwwn = bfa_fcs_port_get_pwwn(rport->port);
2025 wwn_t rpwwn = rport->pwwn;
2026 char lpwwn_ptr[BFA_STRING_32];
2027 char rpwwn_ptr[BFA_STRING_32];
2028 char *prio_str[] = { "unknown", "high", "medium", "low" };
2030 wwn2str(lpwwn_ptr, lpwwn);
2031 wwn2str(rpwwn_ptr, rpwwn);
2034 case BFA_RPORT_AEN_ONLINE:
2035 bfa_log(logmod, BFA_AEN_RPORT_ONLINE, rpwwn_ptr, lpwwn_ptr);
2037 case BFA_RPORT_AEN_OFFLINE:
2038 bfa_log(logmod, BFA_AEN_RPORT_OFFLINE, rpwwn_ptr, lpwwn_ptr);
2040 case BFA_RPORT_AEN_DISCONNECT:
2041 bfa_log(logmod, BFA_AEN_RPORT_DISCONNECT, rpwwn_ptr, lpwwn_ptr);
2043 case BFA_RPORT_AEN_QOS_PRIO:
2044 aen_data.rport.priv.qos = data->priv.qos;
2045 bfa_log(logmod, BFA_AEN_RPORT_QOS_PRIO,
2046 prio_str[aen_data.rport.priv.qos.qos_priority],
2047 rpwwn_ptr, lpwwn_ptr);
2049 case BFA_RPORT_AEN_QOS_FLOWID:
2050 aen_data.rport.priv.qos = data->priv.qos;
2051 bfa_log(logmod, BFA_AEN_RPORT_QOS_FLOWID,
2052 aen_data.rport.priv.qos.qos_flow_id, rpwwn_ptr,
2059 aen_data.rport.vf_id = rport->port->fabric->vf_id;
2060 aen_data.rport.ppwwn =
2061 bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(rport->fcs));
2062 aen_data.rport.lpwwn = lpwwn;
2063 aen_data.rport.rpwwn = rpwwn;
2067 bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport)
2069 struct bfa_fcs_port_s *port = rport->port;
2071 rport->stats.onlines++;
2073 if (bfa_fcs_port_is_initiator(port)) {
2074 bfa_fcs_itnim_rport_online(rport->itnim);
2075 if (!BFA_FCS_PID_IS_WKA(rport->pid))
2076 bfa_fcs_rpf_rport_online(rport);
2079 if (bfa_fcs_port_is_target(port))
2080 bfa_fcs_tin_rport_online(rport->tin);
2083 * Don't post events for well known addresses
2085 if (!BFA_FCS_PID_IS_WKA(rport->pid))
2086 bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL);
2090 bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport)
2092 struct bfa_fcs_port_s *port = rport->port;
2094 rport->stats.offlines++;
2097 * Don't post events for well known addresses
2099 if (!BFA_FCS_PID_IS_WKA(rport->pid)) {
2100 if (bfa_fcs_port_is_online(rport->port) == BFA_TRUE) {
2101 bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_DISCONNECT,
2104 bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_OFFLINE,
2109 if (bfa_fcs_port_is_initiator(port)) {
2110 bfa_fcs_itnim_rport_offline(rport->itnim);
2111 if (!BFA_FCS_PID_IS_WKA(rport->pid))
2112 bfa_fcs_rpf_rport_offline(rport);
2115 if (bfa_fcs_port_is_target(port))
2116 bfa_fcs_tin_rport_offline(rport->tin);
2120 * Update rport parameters from PLOGI or PLOGI accept.
2123 bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi)
2125 struct bfa_fcs_port_s *port = rport->port;
2131 rport->pwwn = plogi->port_name;
2132 rport->nwwn = plogi->node_name;
2135 * - class of service
2138 if (plogi->class3.class_valid)
2139 rport->fc_cos = FC_CLASS_3;
2141 if (plogi->class2.class_valid)
2142 rport->fc_cos |= FC_CLASS_2;
2146 * - MAX receive frame size
2148 rport->cisc = plogi->csp.cisc;
2149 rport->maxfrsize = bfa_os_ntohs(plogi->class3.rxsz);
2151 bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred));
2152 bfa_trc(port->fcs, port->fabric->bb_credit);
2154 * Direct Attach P2P mode :
2155 * This is to handle a bug (233476) in IBM targets in Direct Attach
2156 * Mode. Basically, in FLOGI Accept the target would have erroneously
2157 * set the BB Credit to the value used in the FLOGI sent by the HBA.
2158 * It uses the correct value (its own BB credit) in PLOGI.
2160 if ((!bfa_fcs_fabric_is_switched(port->fabric))
2161 && (bfa_os_ntohs(plogi->csp.bbcred) < port->fabric->bb_credit)) {
2163 bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred));
2164 bfa_trc(port->fcs, port->fabric->bb_credit);
2166 port->fabric->bb_credit = bfa_os_ntohs(plogi->csp.bbcred);
2167 bfa_pport_set_tx_bbcredit(port->fcs->bfa,
2168 port->fabric->bb_credit);
2174 * Called to handle LOGO received from an existing remote port.
2177 bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs)
2179 rport->reply_oxid = fchs->ox_id;
2180 bfa_trc(rport->fcs, rport->reply_oxid);
2182 rport->stats.logo_rcvd++;
2183 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD);
2189 * fcs_rport_public FCS rport public interfaces
2193 * Called by bport/vport to create a remote port instance for a discovered
2196 * @param[in] port - base port or vport
2197 * @param[in] rpid - remote port ID
2201 struct bfa_fcs_rport_s *
2202 bfa_fcs_rport_create(struct bfa_fcs_port_s *port, u32 rpid)
2204 struct bfa_fcs_rport_s *rport;
2206 bfa_trc(port->fcs, rpid);
2207 rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid);
2211 bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
2216 * Called to create a rport for which only the wwn is known.
2218 * @param[in] port - base port
2219 * @param[in] rpwwn - remote port wwn
2223 struct bfa_fcs_rport_s *
2224 bfa_fcs_rport_create_by_wwn(struct bfa_fcs_port_s *port, wwn_t rpwwn)
2226 struct bfa_fcs_rport_s *rport;
2228 bfa_trc(port->fcs, rpwwn);
2229 rport = bfa_fcs_rport_alloc(port, rpwwn, 0);
2233 bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC);
2238 * Called by bport in private loop topology to indicate that a
2239 * rport has been discovered and plogi has been completed.
2241 * @param[in] port - base port or vport
2242 * @param[in] rpid - remote port ID
2245 bfa_fcs_rport_start(struct bfa_fcs_port_s *port, struct fchs_s *fchs,
2246 struct fc_logi_s *plogi)
2248 struct bfa_fcs_rport_s *rport;
2250 rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id);
2254 bfa_fcs_rport_update(rport, plogi);
2256 bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP);
2260 * Called by bport/vport to handle PLOGI received from a new remote port.
2261 * If an existing rport does a plogi, it will be handled separately.
2264 bfa_fcs_rport_plogi_create(struct bfa_fcs_port_s *port, struct fchs_s *fchs,
2265 struct fc_logi_s *plogi)
2267 struct bfa_fcs_rport_s *rport;
2269 rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id);
2273 bfa_fcs_rport_update(rport, plogi);
2275 rport->reply_oxid = fchs->ox_id;
2276 bfa_trc(rport->fcs, rport->reply_oxid);
2278 rport->stats.plogi_rcvd++;
2279 bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD);
2283 wwn_compare(wwn_t wwn1, wwn_t wwn2)
2285 u8 *b1 = (u8 *) &wwn1;
2286 u8 *b2 = (u8 *) &wwn2;
2289 for (i = 0; i < sizeof(wwn_t); i++) {
2299 * Called by bport/vport to handle PLOGI received from an existing
2303 bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs,
2304 struct fc_logi_s *plogi)
2307 * @todo Handle P2P and initiator-initiator.
2310 bfa_fcs_rport_update(rport, plogi);
2312 rport->reply_oxid = rx_fchs->ox_id;
2313 bfa_trc(rport->fcs, rport->reply_oxid);
2316 * In Switched fabric topology,
2317 * PLOGI to each other. If our pwwn is smaller, ignore it,
2318 * if it is not a well known address.
2319 * If the link topology is N2N,
2320 * this Plogi should be accepted.
2322 if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1)
2323 && (bfa_fcs_fabric_is_switched(rport->port->fabric))
2324 && (!BFA_FCS_PID_IS_WKA(rport->pid))) {
2325 bfa_trc(rport->fcs, rport->pid);
2329 rport->stats.plogi_rcvd++;
2330 bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD);
2334 * Called by bport/vport to delete a remote port instance.
2336 * Rport delete is called under the following conditions:
2337 * - vport is deleted
2339 * - explicit request from OS to delete rport (vmware)
2342 bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport)
2344 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
2348 * Called by bport/vport to when a target goes offline.
2352 bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport)
2354 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
2358 * Called by bport in n2n when a target (attached port) becomes online.
2362 bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport)
2364 bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
2368 * Called by bport/vport to notify SCN for the remote port
2371 bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport)
2374 rport->stats.rscns++;
2375 bfa_sm_send_event(rport, RPSM_EVENT_SCN);
2379 * Called by fcpim to notify that the ITN cleanup is done.
2382 bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport)
2384 bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE);
2388 * Called by fcptm to notify that the ITN cleanup is done.
2391 bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport)
2393 bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE);
2397 * This routine BFA callback for bfa_rport_online() call.
2399 * param[in] cb_arg - rport struct.
2404 * Special Considerations:
2409 bfa_cb_rport_online(void *cbarg)
2412 struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
2414 bfa_trc(rport->fcs, rport->pwwn);
2415 bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE);
2419 * This routine BFA callback for bfa_rport_offline() call.
2426 * Special Considerations:
2431 bfa_cb_rport_offline(void *cbarg)
2433 struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
2435 bfa_trc(rport->fcs, rport->pwwn);
2436 bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE);
2440 * This routine is a static BFA callback when there is a QoS flow_id
2441 * change notification
2443 * @param[in] rport -
2447 * Special Considerations:
2452 bfa_cb_rport_qos_scn_flowid(void *cbarg,
2453 struct bfa_rport_qos_attr_s old_qos_attr,
2454 struct bfa_rport_qos_attr_s new_qos_attr)
2456 struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
2457 struct bfa_rport_aen_data_s aen_data;
2459 bfa_trc(rport->fcs, rport->pwwn);
2460 aen_data.priv.qos = new_qos_attr;
2461 bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data);
2465 * This routine is a static BFA callback when there is a QoS priority
2466 * change notification
2468 * @param[in] rport -
2472 * Special Considerations:
2477 bfa_cb_rport_qos_scn_prio(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr,
2478 struct bfa_rport_qos_attr_s new_qos_attr)
2480 struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
2481 struct bfa_rport_aen_data_s aen_data;
2483 bfa_trc(rport->fcs, rport->pwwn);
2484 aen_data.priv.qos = new_qos_attr;
2485 bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data);
2489 * Called to process any unsolicted frames from this remote port
2492 bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport)
2494 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
2498 * Called to process any unsolicted frames from this remote port
2501 bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs,
2504 struct bfa_fcs_port_s *port = rport->port;
2505 struct fc_els_cmd_s *els_cmd;
2507 bfa_trc(rport->fcs, fchs->s_id);
2508 bfa_trc(rport->fcs, fchs->d_id);
2509 bfa_trc(rport->fcs, fchs->type);
2511 if (fchs->type != FC_TYPE_ELS)
2514 els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
2516 bfa_trc(rport->fcs, els_cmd->els_code);
2518 switch (els_cmd->els_code) {
2520 bfa_fcs_rport_process_logo(rport, fchs);
2524 bfa_fcs_rport_process_adisc(rport, fchs, len);
2528 if (bfa_fcs_port_is_initiator(port))
2529 bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len);
2531 if (bfa_fcs_port_is_target(port))
2532 bfa_fcs_fcptm_uf_recv(rport->tin, fchs, len);
2536 bfa_fcs_rport_process_prli(rport, fchs, len);
2540 bfa_fcs_rport_process_rpsc(rport, fchs, len);
2544 bfa_fcs_rport_send_ls_rjt(rport, fchs,
2545 FC_LS_RJT_RSN_CMD_NOT_SUPP,
2546 FC_LS_RJT_EXP_NO_ADDL_INFO);
2555 bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs,
2556 u8 reason_code, u8 reason_code_expl)
2558 struct bfa_fcs_port_s *port = rport->port;
2560 struct bfa_fcxp_s *fcxp;
2563 bfa_trc(rport->fcs, rx_fchs->s_id);
2565 fcxp = bfa_fcs_fcxp_alloc(rport->fcs);
2569 len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id,
2570 bfa_fcs_port_get_fcid(port), rx_fchs->ox_id,
2571 reason_code, reason_code_expl);
2573 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2574 FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
2578 * Module initialization
2581 bfa_fcs_rport_modinit(struct bfa_fcs_s *fcs)
2589 bfa_fcs_rport_modexit(struct bfa_fcs_s *fcs)
2591 bfa_fcs_modexit_comp(fcs);
2595 * Return state of rport.
2598 bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport)
2600 return bfa_sm_to_state(rport_sm_table, rport->sm);
2604 * Called by the Driver to set rport delete/ageout timeout
2606 * param[in] rport timeout value in seconds.
2611 bfa_fcs_rport_set_del_timeout(u8 rport_tmo)
2614 * convert to Millisecs
2617 bfa_fcs_rport_del_timeout = rport_tmo * 1000;