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-rw-r--r--drivers/scsi/bfa/ms.c759
1 files changed, 759 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/ms.c b/drivers/scsi/bfa/ms.c
new file mode 100644
index 000000000000..c96b3ca007ae
--- /dev/null
+++ b/drivers/scsi/bfa/ms.c
@@ -0,0 +1,759 @@
1/*
2 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
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
11 *
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.
16 */
17
18
19#include <bfa.h>
20#include <bfa_svc.h>
21#include "fcs_lport.h"
22#include "fcs_rport.h"
23#include "fcs_trcmod.h"
24#include "fcs_fcxp.h"
25#include "lport_priv.h"
26
27BFA_TRC_FILE(FCS, MS);
28
29#define BFA_FCS_MS_CMD_MAX_RETRIES 2
30/*
31 * forward declarations
32 */
33static void bfa_fcs_port_ms_send_plogi(void *ms_cbarg,
34 struct bfa_fcxp_s *fcxp_alloced);
35static void bfa_fcs_port_ms_timeout(void *arg);
36static void bfa_fcs_port_ms_plogi_response(void *fcsarg,
37 struct bfa_fcxp_s *fcxp,
38 void *cbarg,
39 bfa_status_t req_status,
40 u32 rsp_len,
41 u32 resid_len,
42 struct fchs_s *rsp_fchs);
43
44static void bfa_fcs_port_ms_send_gmal(void *ms_cbarg,
45 struct bfa_fcxp_s *fcxp_alloced);
46static void bfa_fcs_port_ms_gmal_response(void *fcsarg,
47 struct bfa_fcxp_s *fcxp,
48 void *cbarg,
49 bfa_status_t req_status,
50 u32 rsp_len,
51 u32 resid_len,
52 struct fchs_s *rsp_fchs);
53static void bfa_fcs_port_ms_send_gfn(void *ms_cbarg,
54 struct bfa_fcxp_s *fcxp_alloced);
55static void bfa_fcs_port_ms_gfn_response(void *fcsarg,
56 struct bfa_fcxp_s *fcxp,
57 void *cbarg,
58 bfa_status_t req_status,
59 u32 rsp_len,
60 u32 resid_len,
61 struct fchs_s *rsp_fchs);
62/**
63 * fcs_ms_sm FCS MS state machine
64 */
65
66/**
67 * MS State Machine events
68 */
69enum port_ms_event {
70 MSSM_EVENT_PORT_ONLINE = 1,
71 MSSM_EVENT_PORT_OFFLINE = 2,
72 MSSM_EVENT_RSP_OK = 3,
73 MSSM_EVENT_RSP_ERROR = 4,
74 MSSM_EVENT_TIMEOUT = 5,
75 MSSM_EVENT_FCXP_SENT = 6,
76 MSSM_EVENT_PORT_FABRIC_RSCN = 7
77};
78
79static void bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms,
80 enum port_ms_event event);
81static void bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms,
82 enum port_ms_event event);
83static void bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms,
84 enum port_ms_event event);
85static void bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms,
86 enum port_ms_event event);
87static void bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms,
88 enum port_ms_event event);
89static void bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms,
90 enum port_ms_event event);
91static void bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms,
92 enum port_ms_event event);
93static void bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms,
94 enum port_ms_event event);
95static void bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms,
96 enum port_ms_event event);
97static void bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms,
98 enum port_ms_event event);
99static void bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms,
100 enum port_ms_event event);
101/**
102 * Start in offline state - awaiting NS to send start.
103 */
104static void
105bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms,
106 enum port_ms_event event)
107{
108 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
109 bfa_trc(ms->port->fcs, event);
110
111 switch (event) {
112 case MSSM_EVENT_PORT_ONLINE:
113 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_sending);
114 bfa_fcs_port_ms_send_plogi(ms, NULL);
115 break;
116
117 case MSSM_EVENT_PORT_OFFLINE:
118 break;
119
120 default:
121 bfa_assert(0);
122 }
123}
124
125static void
126bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms,
127 enum port_ms_event event)
128{
129 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
130 bfa_trc(ms->port->fcs, event);
131
132 switch (event) {
133 case MSSM_EVENT_FCXP_SENT:
134 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi);
135 break;
136
137 case MSSM_EVENT_PORT_OFFLINE:
138 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
139 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
140 &ms->fcxp_wqe);
141 break;
142
143 default:
144 bfa_assert(0);
145 }
146}
147
148static void
149bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
150{
151 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
152 bfa_trc(ms->port->fcs, event);
153
154 switch (event) {
155 case MSSM_EVENT_RSP_ERROR:
156 /*
157 * Start timer for a delayed retry
158 */
159 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_retry);
160 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), &ms->timer,
161 bfa_fcs_port_ms_timeout, ms,
162 BFA_FCS_RETRY_TIMEOUT);
163 break;
164
165 case MSSM_EVENT_RSP_OK:
166 /*
167 * since plogi is done, now invoke MS related sub-modules
168 */
169 bfa_fcs_port_fdmi_online(ms);
170
171 /**
172 * if this is a Vport, go to online state.
173 */
174 if (ms->port->vport) {
175 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
176 break;
177 }
178
179 /*
180 * For a base port we need to get the
181 * switch's IP address.
182 */
183 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending);
184 bfa_fcs_port_ms_send_gmal(ms, NULL);
185 break;
186
187 case MSSM_EVENT_PORT_OFFLINE:
188 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
189 bfa_fcxp_discard(ms->fcxp);
190 break;
191
192 default:
193 bfa_assert(0);
194 }
195}
196
197static void
198bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms,
199 enum port_ms_event event)
200{
201 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
202 bfa_trc(ms->port->fcs, event);
203
204 switch (event) {
205 case MSSM_EVENT_TIMEOUT:
206 /*
207 * Retry Timer Expired. Re-send
208 */
209 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_sending);
210 bfa_fcs_port_ms_send_plogi(ms, NULL);
211 break;
212
213 case MSSM_EVENT_PORT_OFFLINE:
214 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
215 bfa_timer_stop(&ms->timer);
216 break;
217
218 default:
219 bfa_assert(0);
220 }
221}
222
223static void
224bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms,
225 enum port_ms_event event)
226{
227 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
228 bfa_trc(ms->port->fcs, event);
229
230 switch (event) {
231 case MSSM_EVENT_PORT_OFFLINE:
232 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
233 /*
234 * now invoke MS related sub-modules
235 */
236 bfa_fcs_port_fdmi_offline(ms);
237 break;
238
239 case MSSM_EVENT_PORT_FABRIC_RSCN:
240 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
241 ms->retry_cnt = 0;
242 bfa_fcs_port_ms_send_gfn(ms, NULL);
243 break;
244
245 default:
246 bfa_assert(0);
247 }
248}
249
250static void
251bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms,
252 enum port_ms_event event)
253{
254 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
255 bfa_trc(ms->port->fcs, event);
256
257 switch (event) {
258 case MSSM_EVENT_FCXP_SENT:
259 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal);
260 break;
261
262 case MSSM_EVENT_PORT_OFFLINE:
263 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
264 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
265 &ms->fcxp_wqe);
266 break;
267
268 default:
269 bfa_assert(0);
270 }
271}
272
273static void
274bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
275{
276 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
277 bfa_trc(ms->port->fcs, event);
278
279 switch (event) {
280 case MSSM_EVENT_RSP_ERROR:
281 /*
282 * Start timer for a delayed retry
283 */
284 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
285 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_retry);
286 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
287 &ms->timer, bfa_fcs_port_ms_timeout, ms,
288 BFA_FCS_RETRY_TIMEOUT);
289 } else {
290 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
291 bfa_fcs_port_ms_send_gfn(ms, NULL);
292 ms->retry_cnt = 0;
293 }
294 break;
295
296 case MSSM_EVENT_RSP_OK:
297 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
298 bfa_fcs_port_ms_send_gfn(ms, NULL);
299 break;
300
301 case MSSM_EVENT_PORT_OFFLINE:
302 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
303 bfa_fcxp_discard(ms->fcxp);
304 break;
305
306 default:
307 bfa_assert(0);
308 }
309}
310
311static void
312bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms,
313 enum port_ms_event event)
314{
315 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
316 bfa_trc(ms->port->fcs, event);
317
318 switch (event) {
319 case MSSM_EVENT_TIMEOUT:
320 /*
321 * Retry Timer Expired. Re-send
322 */
323 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending);
324 bfa_fcs_port_ms_send_gmal(ms, NULL);
325 break;
326
327 case MSSM_EVENT_PORT_OFFLINE:
328 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
329 bfa_timer_stop(&ms->timer);
330 break;
331
332 default:
333 bfa_assert(0);
334 }
335}
336
337/**
338 * ms_pvt MS local functions
339 */
340
341static void
342bfa_fcs_port_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
343{
344 struct bfa_fcs_port_ms_s *ms = ms_cbarg;
345 struct bfa_fcs_port_s *port = ms->port;
346 struct fchs_s fchs;
347 int len;
348 struct bfa_fcxp_s *fcxp;
349
350 bfa_trc(port->fcs, port->pid);
351
352 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
353 if (!fcxp) {
354 bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
355 bfa_fcs_port_ms_send_gmal, ms);
356 return;
357 }
358 ms->fcxp = fcxp;
359
360 len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
361 bfa_fcs_port_get_fcid(port),
362 bfa_lps_get_peer_nwwn(port->fabric->lps));
363
364 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
365 FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gmal_response,
366 (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV);
367
368 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
369}
370
371static void
372bfa_fcs_port_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
373 void *cbarg, bfa_status_t req_status,
374 u32 rsp_len, u32 resid_len,
375 struct fchs_s *rsp_fchs)
376{
377 struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg;
378 struct bfa_fcs_port_s *port = ms->port;
379 struct ct_hdr_s *cthdr = NULL;
380 struct fcgs_gmal_resp_s *gmal_resp;
381 struct fc_gmal_entry_s *gmal_entry;
382 u32 num_entries;
383 u8 *rsp_str;
384
385 bfa_trc(port->fcs, req_status);
386 bfa_trc(port->fcs, port->port_cfg.pwwn);
387
388 /*
389 * Sanity Checks
390 */
391 if (req_status != BFA_STATUS_OK) {
392 bfa_trc(port->fcs, req_status);
393 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
394 return;
395 }
396
397 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
398 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
399
400 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
401 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
402 num_entries = bfa_os_ntohl(gmal_resp->ms_len);
403 if (num_entries == 0) {
404 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
405 return;
406 }
407 /*
408 * The response could contain multiple Entries.
409 * Entries for SNMP interface, etc.
410 * We look for the entry with a telnet prefix.
411 * First "http://" entry refers to IP addr
412 */
413
414 gmal_entry = (struct fc_gmal_entry_s *)gmal_resp->ms_ma;
415 while (num_entries > 0) {
416 if (strncmp
417 (gmal_entry->prefix, CT_GMAL_RESP_PREFIX_HTTP,
418 sizeof(gmal_entry->prefix)) == 0) {
419
420 /*
421 * if the IP address is terminating with a '/',
422 * remove it. *Byte 0 consists of the length
423 * of the string.
424 */
425 rsp_str = &(gmal_entry->prefix[0]);
426 if (rsp_str[gmal_entry->len - 1] == '/')
427 rsp_str[gmal_entry->len - 1] = 0;
428 /*
429 * copy IP Address to fabric
430 */
431 strncpy(bfa_fcs_port_get_fabric_ipaddr(port),
432 gmal_entry->ip_addr,
433 BFA_FCS_FABRIC_IPADDR_SZ);
434 break;
435 } else {
436 --num_entries;
437 ++gmal_entry;
438 }
439 }
440
441 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
442 return;
443 }
444
445 bfa_trc(port->fcs, cthdr->reason_code);
446 bfa_trc(port->fcs, cthdr->exp_code);
447 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
448}
449
450static void
451bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms,
452 enum port_ms_event event)
453{
454 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
455 bfa_trc(ms->port->fcs, event);
456
457 switch (event) {
458 case MSSM_EVENT_FCXP_SENT:
459 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn);
460 break;
461
462 case MSSM_EVENT_PORT_OFFLINE:
463 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
464 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
465 &ms->fcxp_wqe);
466 break;
467
468 default:
469 bfa_assert(0);
470 }
471}
472
473static void
474bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
475{
476 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
477 bfa_trc(ms->port->fcs, event);
478
479 switch (event) {
480 case MSSM_EVENT_RSP_ERROR:
481 /*
482 * Start timer for a delayed retry
483 */
484 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
485 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_retry);
486 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
487 &ms->timer, bfa_fcs_port_ms_timeout, ms,
488 BFA_FCS_RETRY_TIMEOUT);
489 } else {
490 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
491 ms->retry_cnt = 0;
492 }
493 break;
494
495 case MSSM_EVENT_RSP_OK:
496 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
497 break;
498
499 case MSSM_EVENT_PORT_OFFLINE:
500 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
501 bfa_fcxp_discard(ms->fcxp);
502 break;
503
504 default:
505 bfa_assert(0);
506 }
507}
508
509static void
510bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms,
511 enum port_ms_event event)
512{
513 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
514 bfa_trc(ms->port->fcs, event);
515
516 switch (event) {
517 case MSSM_EVENT_TIMEOUT:
518 /*
519 * Retry Timer Expired. Re-send
520 */
521 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
522 bfa_fcs_port_ms_send_gfn(ms, NULL);
523 break;
524
525 case MSSM_EVENT_PORT_OFFLINE:
526 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
527 bfa_timer_stop(&ms->timer);
528 break;
529
530 default:
531 bfa_assert(0);
532 }
533}
534
535/**
536 * ms_pvt MS local functions
537 */
538
539static void
540bfa_fcs_port_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
541{
542 struct bfa_fcs_port_ms_s *ms = ms_cbarg;
543 struct bfa_fcs_port_s *port = ms->port;
544 struct fchs_s fchs;
545 int len;
546 struct bfa_fcxp_s *fcxp;
547
548 bfa_trc(port->fcs, port->pid);
549
550 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
551 if (!fcxp) {
552 bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
553 bfa_fcs_port_ms_send_gfn, ms);
554 return;
555 }
556 ms->fcxp = fcxp;
557
558 len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
559 bfa_fcs_port_get_fcid(port),
560 bfa_lps_get_peer_nwwn(port->fabric->lps));
561
562 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
563 FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gfn_response,
564 (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV);
565
566 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
567}
568
569static void
570bfa_fcs_port_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
571 bfa_status_t req_status, u32 rsp_len,
572 u32 resid_len, struct fchs_s *rsp_fchs)
573{
574 struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg;
575 struct bfa_fcs_port_s *port = ms->port;
576 struct ct_hdr_s *cthdr = NULL;
577 wwn_t *gfn_resp;
578
579 bfa_trc(port->fcs, req_status);
580 bfa_trc(port->fcs, port->port_cfg.pwwn);
581
582 /*
583 * Sanity Checks
584 */
585 if (req_status != BFA_STATUS_OK) {
586 bfa_trc(port->fcs, req_status);
587 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
588 return;
589 }
590
591 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
592 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
593
594 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
595 gfn_resp = (wwn_t *) (cthdr + 1);
596 /*
597 * check if it has actually changed
598 */
599 if ((memcmp
600 ((void *)&bfa_fcs_port_get_fabric_name(port), gfn_resp,
601 sizeof(wwn_t)) != 0))
602 bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
603 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
604 return;
605 }
606
607 bfa_trc(port->fcs, cthdr->reason_code);
608 bfa_trc(port->fcs, cthdr->exp_code);
609 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
610}
611
612/**
613 * ms_pvt MS local functions
614 */
615
616static void
617bfa_fcs_port_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
618{
619 struct bfa_fcs_port_ms_s *ms = ms_cbarg;
620 struct bfa_fcs_port_s *port = ms->port;
621 struct fchs_s fchs;
622 int len;
623 struct bfa_fcxp_s *fcxp;
624
625 bfa_trc(port->fcs, port->pid);
626
627 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
628 if (!fcxp) {
629 port->stats.ms_plogi_alloc_wait++;
630 bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
631 bfa_fcs_port_ms_send_plogi, ms);
632 return;
633 }
634 ms->fcxp = fcxp;
635
636 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
637 bfa_os_hton3b(FC_MGMT_SERVER),
638 bfa_fcs_port_get_fcid(port), 0,
639 port->port_cfg.pwwn, port->port_cfg.nwwn,
640 bfa_pport_get_maxfrsize(port->fcs->bfa));
641
642 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
643 FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_plogi_response,
644 (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV);
645
646 port->stats.ms_plogi_sent++;
647 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
648}
649
650static void
651bfa_fcs_port_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
652 void *cbarg, bfa_status_t req_status,
653 u32 rsp_len, u32 resid_len,
654 struct fchs_s *rsp_fchs)
655{
656 struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg;
657
658 struct bfa_fcs_port_s *port = ms->port;
659 struct fc_els_cmd_s *els_cmd;
660 struct fc_ls_rjt_s *ls_rjt;
661
662 bfa_trc(port->fcs, req_status);
663 bfa_trc(port->fcs, port->port_cfg.pwwn);
664
665 /*
666 * Sanity Checks
667 */
668 if (req_status != BFA_STATUS_OK) {
669 port->stats.ms_plogi_rsp_err++;
670 bfa_trc(port->fcs, req_status);
671 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
672 return;
673 }
674
675 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
676
677 switch (els_cmd->els_code) {
678
679 case FC_ELS_ACC:
680 if (rsp_len < sizeof(struct fc_logi_s)) {
681 bfa_trc(port->fcs, rsp_len);
682 port->stats.ms_plogi_acc_err++;
683 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
684 break;
685 }
686 port->stats.ms_plogi_accepts++;
687 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
688 break;
689
690 case FC_ELS_LS_RJT:
691 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
692
693 bfa_trc(port->fcs, ls_rjt->reason_code);
694 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
695
696 port->stats.ms_rejects++;
697 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
698 break;
699
700 default:
701 port->stats.ms_plogi_unknown_rsp++;
702 bfa_trc(port->fcs, els_cmd->els_code);
703 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
704 }
705}
706
707static void
708bfa_fcs_port_ms_timeout(void *arg)
709{
710 struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)arg;
711
712 ms->port->stats.ms_timeouts++;
713 bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
714}
715
716
717void
718bfa_fcs_port_ms_init(struct bfa_fcs_port_s *port)
719{
720 struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
721
722 ms->port = port;
723 bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
724
725 /*
726 * Invoke init routines of sub modules.
727 */
728 bfa_fcs_port_fdmi_init(ms);
729}
730
731void
732bfa_fcs_port_ms_offline(struct bfa_fcs_port_s *port)
733{
734 struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
735
736 ms->port = port;
737 bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
738}
739
740void
741bfa_fcs_port_ms_online(struct bfa_fcs_port_s *port)
742{
743 struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
744
745 ms->port = port;
746 bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
747}
748
749void
750bfa_fcs_port_ms_fabric_rscn(struct bfa_fcs_port_s *port)
751{
752 struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
753
754 /*
755 * @todo. Handle this only when in Online state
756 */
757 if (bfa_sm_cmp_state(ms, bfa_fcs_port_ms_sm_online))
758 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
759}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-01 02:19:28 -0400