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Documentation/trace/events.txt: Remove obsolete sched_signal_send.
[mirror_ubuntu-bionic-kernel.git] / drivers / scsi / bfa / bfa_fcs_lport.c
1 /*
2 * Copyright (c) 2005-2010 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 #include "bfa_fcs.h"
19 #include "bfa_fcbuild.h"
20 #include "bfa_fc.h"
21 #include "bfad_drv.h"
22
23 BFA_TRC_FILE(FCS, PORT);
24
25 static void bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
26 struct fchs_s *rx_fchs, u8 reason_code,
27 u8 reason_code_expl);
28 static void bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
29 struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
30 static void bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
31 static void bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
32 static void bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
33 static void bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
34 static void bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
35 static void bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
36 static void bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
37 struct fchs_s *rx_fchs,
38 struct fc_echo_s *echo, u16 len);
39 static void bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
40 struct fchs_s *rx_fchs,
41 struct fc_rnid_cmd_s *rnid, u16 len);
42 static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
43 struct fc_rnid_general_topology_data_s *gen_topo_data);
44
45 static void bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
46 static void bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
47 static void bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
48
49 static void bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
50 static void bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
51 static void bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
52
53 static struct {
54 void (*init) (struct bfa_fcs_lport_s *port);
55 void (*online) (struct bfa_fcs_lport_s *port);
56 void (*offline) (struct bfa_fcs_lport_s *port);
57 } __port_action[] = {
58 {
59 bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
60 bfa_fcs_lport_unknown_offline}, {
61 bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
62 bfa_fcs_lport_fab_offline}, {
63 bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
64 bfa_fcs_lport_n2n_offline},
65 };
66
67 /*
68 * fcs_port_sm FCS logical port state machine
69 */
70
71 enum bfa_fcs_lport_event {
72 BFA_FCS_PORT_SM_CREATE = 1,
73 BFA_FCS_PORT_SM_ONLINE = 2,
74 BFA_FCS_PORT_SM_OFFLINE = 3,
75 BFA_FCS_PORT_SM_DELETE = 4,
76 BFA_FCS_PORT_SM_DELRPORT = 5,
77 };
78
79 static void bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
80 enum bfa_fcs_lport_event event);
81 static void bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
82 enum bfa_fcs_lport_event event);
83 static void bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
84 enum bfa_fcs_lport_event event);
85 static void bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
86 enum bfa_fcs_lport_event event);
87 static void bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
88 enum bfa_fcs_lport_event event);
89
90 static void
91 bfa_fcs_lport_sm_uninit(
92 struct bfa_fcs_lport_s *port,
93 enum bfa_fcs_lport_event event)
94 {
95 bfa_trc(port->fcs, port->port_cfg.pwwn);
96 bfa_trc(port->fcs, event);
97
98 switch (event) {
99 case BFA_FCS_PORT_SM_CREATE:
100 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
101 break;
102
103 default:
104 bfa_sm_fault(port->fcs, event);
105 }
106 }
107
108 static void
109 bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
110 enum bfa_fcs_lport_event event)
111 {
112 bfa_trc(port->fcs, port->port_cfg.pwwn);
113 bfa_trc(port->fcs, event);
114
115 switch (event) {
116 case BFA_FCS_PORT_SM_ONLINE:
117 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
118 bfa_fcs_lport_online_actions(port);
119 break;
120
121 case BFA_FCS_PORT_SM_DELETE:
122 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
123 bfa_fcs_lport_deleted(port);
124 break;
125
126 case BFA_FCS_PORT_SM_OFFLINE:
127 break;
128
129 default:
130 bfa_sm_fault(port->fcs, event);
131 }
132 }
133
134 static void
135 bfa_fcs_lport_sm_online(
136 struct bfa_fcs_lport_s *port,
137 enum bfa_fcs_lport_event event)
138 {
139 struct bfa_fcs_rport_s *rport;
140 struct list_head *qe, *qen;
141
142 bfa_trc(port->fcs, port->port_cfg.pwwn);
143 bfa_trc(port->fcs, event);
144
145 switch (event) {
146 case BFA_FCS_PORT_SM_OFFLINE:
147 bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
148 bfa_fcs_lport_offline_actions(port);
149 break;
150
151 case BFA_FCS_PORT_SM_DELETE:
152
153 __port_action[port->fabric->fab_type].offline(port);
154
155 if (port->num_rports == 0) {
156 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
157 bfa_fcs_lport_deleted(port);
158 } else {
159 bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
160 list_for_each_safe(qe, qen, &port->rport_q) {
161 rport = (struct bfa_fcs_rport_s *) qe;
162 bfa_fcs_rport_delete(rport);
163 }
164 }
165 break;
166
167 case BFA_FCS_PORT_SM_DELRPORT:
168 break;
169
170 default:
171 bfa_sm_fault(port->fcs, event);
172 }
173 }
174
175 static void
176 bfa_fcs_lport_sm_offline(
177 struct bfa_fcs_lport_s *port,
178 enum bfa_fcs_lport_event event)
179 {
180 struct bfa_fcs_rport_s *rport;
181 struct list_head *qe, *qen;
182
183 bfa_trc(port->fcs, port->port_cfg.pwwn);
184 bfa_trc(port->fcs, event);
185
186 switch (event) {
187 case BFA_FCS_PORT_SM_ONLINE:
188 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
189 bfa_fcs_lport_online_actions(port);
190 break;
191
192 case BFA_FCS_PORT_SM_DELETE:
193 if (port->num_rports == 0) {
194 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
195 bfa_fcs_lport_deleted(port);
196 } else {
197 bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
198 list_for_each_safe(qe, qen, &port->rport_q) {
199 rport = (struct bfa_fcs_rport_s *) qe;
200 bfa_fcs_rport_delete(rport);
201 }
202 }
203 break;
204
205 case BFA_FCS_PORT_SM_DELRPORT:
206 case BFA_FCS_PORT_SM_OFFLINE:
207 break;
208
209 default:
210 bfa_sm_fault(port->fcs, event);
211 }
212 }
213
214 static void
215 bfa_fcs_lport_sm_deleting(
216 struct bfa_fcs_lport_s *port,
217 enum bfa_fcs_lport_event event)
218 {
219 bfa_trc(port->fcs, port->port_cfg.pwwn);
220 bfa_trc(port->fcs, event);
221
222 switch (event) {
223 case BFA_FCS_PORT_SM_DELRPORT:
224 if (port->num_rports == 0) {
225 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
226 bfa_fcs_lport_deleted(port);
227 }
228 break;
229
230 default:
231 bfa_sm_fault(port->fcs, event);
232 }
233 }
234
235 /*
236 * fcs_port_pvt
237 */
238
239 /*
240 * Send a LS reject
241 */
242 static void
243 bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
244 u8 reason_code, u8 reason_code_expl)
245 {
246 struct fchs_s fchs;
247 struct bfa_fcxp_s *fcxp;
248 struct bfa_rport_s *bfa_rport = NULL;
249 int len;
250
251 bfa_trc(port->fcs, rx_fchs->d_id);
252 bfa_trc(port->fcs, rx_fchs->s_id);
253
254 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
255 if (!fcxp)
256 return;
257
258 len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
259 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
260 rx_fchs->ox_id, reason_code, reason_code_expl);
261
262 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
263 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
264 FC_MAX_PDUSZ, 0);
265 }
266
267 /*
268 * Process incoming plogi from a remote port.
269 */
270 static void
271 bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
272 struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
273 {
274 struct bfa_fcs_rport_s *rport;
275
276 bfa_trc(port->fcs, rx_fchs->d_id);
277 bfa_trc(port->fcs, rx_fchs->s_id);
278
279 /*
280 * If min cfg mode is enabled, drop any incoming PLOGIs
281 */
282 if (__fcs_min_cfg(port->fcs)) {
283 bfa_trc(port->fcs, rx_fchs->s_id);
284 return;
285 }
286
287 if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
288 bfa_trc(port->fcs, rx_fchs->s_id);
289 /*
290 * send a LS reject
291 */
292 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
293 FC_LS_RJT_RSN_PROTOCOL_ERROR,
294 FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
295 return;
296 }
297
298 /*
299 * Direct Attach P2P mode : verify address assigned by the r-port.
300 */
301 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
302 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
303 (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
304 if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
305 /* Address assigned to us cannot be a WKA */
306 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
307 FC_LS_RJT_RSN_PROTOCOL_ERROR,
308 FC_LS_RJT_EXP_INVALID_NPORT_ID);
309 return;
310 }
311 port->pid = rx_fchs->d_id;
312 }
313
314 /*
315 * First, check if we know the device by pwwn.
316 */
317 rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
318 if (rport) {
319 /*
320 * Direct Attach P2P mode : handle address assigned by r-port.
321 */
322 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
323 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
324 (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
325 port->pid = rx_fchs->d_id;
326 rport->pid = rx_fchs->s_id;
327 }
328 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
329 return;
330 }
331
332 /*
333 * Next, lookup rport by PID.
334 */
335 rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
336 if (!rport) {
337 /*
338 * Inbound PLOGI from a new device.
339 */
340 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
341 return;
342 }
343
344 /*
345 * Rport is known only by PID.
346 */
347 if (rport->pwwn) {
348 /*
349 * This is a different device with the same pid. Old device
350 * disappeared. Send implicit LOGO to old device.
351 */
352 bfa_assert(rport->pwwn != plogi->port_name);
353 bfa_fcs_rport_logo_imp(rport);
354
355 /*
356 * Inbound PLOGI from a new device (with old PID).
357 */
358 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
359 return;
360 }
361
362 /*
363 * PLOGI crossing each other.
364 */
365 bfa_assert(rport->pwwn == WWN_NULL);
366 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
367 }
368
369 /*
370 * Process incoming ECHO.
371 * Since it does not require a login, it is processed here.
372 */
373 static void
374 bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
375 struct fc_echo_s *echo, u16 rx_len)
376 {
377 struct fchs_s fchs;
378 struct bfa_fcxp_s *fcxp;
379 struct bfa_rport_s *bfa_rport = NULL;
380 int len, pyld_len;
381
382 bfa_trc(port->fcs, rx_fchs->s_id);
383 bfa_trc(port->fcs, rx_fchs->d_id);
384
385 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
386 if (!fcxp)
387 return;
388
389 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
390 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
391 rx_fchs->ox_id);
392
393 /*
394 * Copy the payload (if any) from the echo frame
395 */
396 pyld_len = rx_len - sizeof(struct fchs_s);
397 bfa_trc(port->fcs, rx_len);
398 bfa_trc(port->fcs, pyld_len);
399
400 if (pyld_len > len)
401 memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
402 sizeof(struct fc_echo_s), (echo + 1),
403 (pyld_len - sizeof(struct fc_echo_s)));
404
405 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
406 BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
407 FC_MAX_PDUSZ, 0);
408 }
409
410 /*
411 * Process incoming RNID.
412 * Since it does not require a login, it is processed here.
413 */
414 static void
415 bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
416 struct fc_rnid_cmd_s *rnid, u16 rx_len)
417 {
418 struct fc_rnid_common_id_data_s common_id_data;
419 struct fc_rnid_general_topology_data_s gen_topo_data;
420 struct fchs_s fchs;
421 struct bfa_fcxp_s *fcxp;
422 struct bfa_rport_s *bfa_rport = NULL;
423 u16 len;
424 u32 data_format;
425
426 bfa_trc(port->fcs, rx_fchs->s_id);
427 bfa_trc(port->fcs, rx_fchs->d_id);
428 bfa_trc(port->fcs, rx_len);
429
430 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
431 if (!fcxp)
432 return;
433
434 /*
435 * Check Node Indentification Data Format
436 * We only support General Topology Discovery Format.
437 * For any other requested Data Formats, we return Common Node Id Data
438 * only, as per FC-LS.
439 */
440 bfa_trc(port->fcs, rnid->node_id_data_format);
441 if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
442 data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
443 /*
444 * Get General topology data for this port
445 */
446 bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
447 } else {
448 data_format = RNID_NODEID_DATA_FORMAT_COMMON;
449 }
450
451 /*
452 * Copy the Node Id Info
453 */
454 common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
455 common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
456
457 len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
458 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
459 rx_fchs->ox_id, data_format, &common_id_data,
460 &gen_topo_data);
461
462 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
463 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
464 FC_MAX_PDUSZ, 0);
465 }
466
467 /*
468 * Fill out General Topolpgy Discovery Data for RNID ELS.
469 */
470 static void
471 bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
472 struct fc_rnid_general_topology_data_s *gen_topo_data)
473 {
474 memset(gen_topo_data, 0,
475 sizeof(struct fc_rnid_general_topology_data_s));
476
477 gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
478 gen_topo_data->phy_port_num = 0; /* @todo */
479 gen_topo_data->num_attached_nodes = cpu_to_be32(1);
480 }
481
482 static void
483 bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
484 {
485 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
486 char lpwwn_buf[BFA_STRING_32];
487
488 bfa_trc(port->fcs, port->fabric->oper_type);
489
490 __port_action[port->fabric->fab_type].init(port);
491 __port_action[port->fabric->fab_type].online(port);
492
493 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
494 BFA_LOG(KERN_INFO, bfad, log_level,
495 "Logical port online: WWN = %s Role = %s\n",
496 lpwwn_buf, "Initiator");
497
498 bfad->bfad_flags |= BFAD_PORT_ONLINE;
499 }
500
501 static void
502 bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
503 {
504 struct list_head *qe, *qen;
505 struct bfa_fcs_rport_s *rport;
506 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
507 char lpwwn_buf[BFA_STRING_32];
508
509 bfa_trc(port->fcs, port->fabric->oper_type);
510
511 __port_action[port->fabric->fab_type].offline(port);
512
513 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
514 if (bfa_fcs_fabric_is_online(port->fabric) == BFA_TRUE)
515 BFA_LOG(KERN_ERR, bfad, log_level,
516 "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
517 lpwwn_buf, "Initiator");
518 else
519 BFA_LOG(KERN_INFO, bfad, log_level,
520 "Logical port taken offline: WWN = %s Role = %s\n",
521 lpwwn_buf, "Initiator");
522
523 list_for_each_safe(qe, qen, &port->rport_q) {
524 rport = (struct bfa_fcs_rport_s *) qe;
525 bfa_fcs_rport_offline(rport);
526 }
527 }
528
529 static void
530 bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
531 {
532 bfa_assert(0);
533 }
534
535 static void
536 bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
537 {
538 bfa_assert(0);
539 }
540
541 static void
542 bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
543 {
544 bfa_assert(0);
545 }
546
547 static void
548 bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
549 {
550 struct fchs_s fchs;
551 struct bfa_fcxp_s *fcxp;
552 int len;
553
554 bfa_trc(port->fcs, rx_fchs->d_id);
555 bfa_trc(port->fcs, rx_fchs->s_id);
556
557 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
558 if (!fcxp)
559 return;
560
561 len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
562 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
563 rx_fchs->ox_id, 0);
564
565 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
566 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
567 FC_MAX_PDUSZ, 0);
568 }
569 static void
570 bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
571 {
572 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
573 char lpwwn_buf[BFA_STRING_32];
574
575 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
576 BFA_LOG(KERN_INFO, bfad, log_level,
577 "Logical port deleted: WWN = %s Role = %s\n",
578 lpwwn_buf, "Initiator");
579
580 /* Base port will be deleted by the OS driver */
581 if (port->vport) {
582 bfa_fcb_lport_delete(port->fcs->bfad, port->port_cfg.roles,
583 port->fabric->vf_drv,
584 port->vport ? port->vport->vport_drv : NULL);
585 bfa_fcs_vport_delete_comp(port->vport);
586 } else {
587 bfa_fcs_fabric_port_delete_comp(port->fabric);
588 }
589 }
590
591
592
593 /*
594 * fcs_lport_api BFA FCS port API
595 */
596 /*
597 * Module initialization
598 */
599 void
600 bfa_fcs_lport_modinit(struct bfa_fcs_s *fcs)
601 {
602
603 }
604
605 /*
606 * Module cleanup
607 */
608 void
609 bfa_fcs_lport_modexit(struct bfa_fcs_s *fcs)
610 {
611 bfa_fcs_modexit_comp(fcs);
612 }
613
614 /*
615 * Unsolicited frame receive handling.
616 */
617 void
618 bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
619 struct fchs_s *fchs, u16 len)
620 {
621 u32 pid = fchs->s_id;
622 struct bfa_fcs_rport_s *rport = NULL;
623 struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
624
625 bfa_stats(lport, uf_recvs);
626
627 if (!bfa_fcs_lport_is_online(lport)) {
628 bfa_stats(lport, uf_recv_drops);
629 return;
630 }
631
632 /*
633 * First, handle ELSs that donot require a login.
634 */
635 /*
636 * Handle PLOGI first
637 */
638 if ((fchs->type == FC_TYPE_ELS) &&
639 (els_cmd->els_code == FC_ELS_PLOGI)) {
640 bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
641 return;
642 }
643
644 /*
645 * Handle ECHO separately.
646 */
647 if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
648 bfa_fcs_lport_echo(lport, fchs,
649 (struct fc_echo_s *)els_cmd, len);
650 return;
651 }
652
653 /*
654 * Handle RNID separately.
655 */
656 if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
657 bfa_fcs_lport_rnid(lport, fchs,
658 (struct fc_rnid_cmd_s *) els_cmd, len);
659 return;
660 }
661
662 if (fchs->type == FC_TYPE_BLS) {
663 if ((fchs->routing == FC_RTG_BASIC_LINK) &&
664 (fchs->cat_info == FC_CAT_ABTS))
665 bfa_fcs_lport_abts_acc(lport, fchs);
666 return;
667 }
668 /*
669 * look for a matching remote port ID
670 */
671 rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
672 if (rport) {
673 bfa_trc(rport->fcs, fchs->s_id);
674 bfa_trc(rport->fcs, fchs->d_id);
675 bfa_trc(rport->fcs, fchs->type);
676
677 bfa_fcs_rport_uf_recv(rport, fchs, len);
678 return;
679 }
680
681 /*
682 * Only handles ELS frames for now.
683 */
684 if (fchs->type != FC_TYPE_ELS) {
685 bfa_trc(lport->fcs, fchs->type);
686 bfa_assert(0);
687 return;
688 }
689
690 bfa_trc(lport->fcs, els_cmd->els_code);
691 if (els_cmd->els_code == FC_ELS_RSCN) {
692 bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
693 return;
694 }
695
696 if (els_cmd->els_code == FC_ELS_LOGO) {
697 /*
698 * @todo Handle LOGO frames received.
699 */
700 return;
701 }
702
703 if (els_cmd->els_code == FC_ELS_PRLI) {
704 /*
705 * @todo Handle PRLI frames received.
706 */
707 return;
708 }
709
710 /*
711 * Unhandled ELS frames. Send a LS_RJT.
712 */
713 bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
714 FC_LS_RJT_EXP_NO_ADDL_INFO);
715
716 }
717
718 /*
719 * PID based Lookup for a R-Port in the Port R-Port Queue
720 */
721 struct bfa_fcs_rport_s *
722 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
723 {
724 struct bfa_fcs_rport_s *rport;
725 struct list_head *qe;
726
727 list_for_each(qe, &port->rport_q) {
728 rport = (struct bfa_fcs_rport_s *) qe;
729 if (rport->pid == pid)
730 return rport;
731 }
732
733 bfa_trc(port->fcs, pid);
734 return NULL;
735 }
736
737 /*
738 * PWWN based Lookup for a R-Port in the Port R-Port Queue
739 */
740 struct bfa_fcs_rport_s *
741 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
742 {
743 struct bfa_fcs_rport_s *rport;
744 struct list_head *qe;
745
746 list_for_each(qe, &port->rport_q) {
747 rport = (struct bfa_fcs_rport_s *) qe;
748 if (wwn_is_equal(rport->pwwn, pwwn))
749 return rport;
750 }
751
752 bfa_trc(port->fcs, pwwn);
753 return NULL;
754 }
755
756 /*
757 * NWWN based Lookup for a R-Port in the Port R-Port Queue
758 */
759 struct bfa_fcs_rport_s *
760 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
761 {
762 struct bfa_fcs_rport_s *rport;
763 struct list_head *qe;
764
765 list_for_each(qe, &port->rport_q) {
766 rport = (struct bfa_fcs_rport_s *) qe;
767 if (wwn_is_equal(rport->nwwn, nwwn))
768 return rport;
769 }
770
771 bfa_trc(port->fcs, nwwn);
772 return NULL;
773 }
774
775 /*
776 * Called by rport module when new rports are discovered.
777 */
778 void
779 bfa_fcs_lport_add_rport(
780 struct bfa_fcs_lport_s *port,
781 struct bfa_fcs_rport_s *rport)
782 {
783 list_add_tail(&rport->qe, &port->rport_q);
784 port->num_rports++;
785 }
786
787 /*
788 * Called by rport module to when rports are deleted.
789 */
790 void
791 bfa_fcs_lport_del_rport(
792 struct bfa_fcs_lport_s *port,
793 struct bfa_fcs_rport_s *rport)
794 {
795 bfa_assert(bfa_q_is_on_q(&port->rport_q, rport));
796 list_del(&rport->qe);
797 port->num_rports--;
798
799 bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
800 }
801
802 /*
803 * Called by fabric for base port when fabric login is complete.
804 * Called by vport for virtual ports when FDISC is complete.
805 */
806 void
807 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
808 {
809 bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
810 }
811
812 /*
813 * Called by fabric for base port when fabric goes offline.
814 * Called by vport for virtual ports when virtual port becomes offline.
815 */
816 void
817 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
818 {
819 bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
820 }
821
822 /*
823 * Called by fabric to delete base lport and associated resources.
824 *
825 * Called by vport to delete lport and associated resources. Should call
826 * bfa_fcs_vport_delete_comp() for vports on completion.
827 */
828 void
829 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
830 {
831 bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
832 }
833
834 /*
835 * Return TRUE if port is online, else return FALSE
836 */
837 bfa_boolean_t
838 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
839 {
840 return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
841 }
842
843 /*
844 * Attach time initialization of logical ports.
845 */
846 void
847 bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
848 u16 vf_id, struct bfa_fcs_vport_s *vport)
849 {
850 lport->fcs = fcs;
851 lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
852 lport->vport = vport;
853 lport->lp_tag = (vport) ? bfa_lps_get_tag(vport->lps) :
854 bfa_lps_get_tag(lport->fabric->lps);
855
856 INIT_LIST_HEAD(&lport->rport_q);
857 lport->num_rports = 0;
858 }
859
860 /*
861 * Logical port initialization of base or virtual port.
862 * Called by fabric for base port or by vport for virtual ports.
863 */
864
865 void
866 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
867 struct bfa_lport_cfg_s *port_cfg)
868 {
869 struct bfa_fcs_vport_s *vport = lport->vport;
870 struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
871 char lpwwn_buf[BFA_STRING_32];
872
873 lport->port_cfg = *port_cfg;
874
875 lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
876 lport->port_cfg.roles,
877 lport->fabric->vf_drv,
878 vport ? vport->vport_drv : NULL);
879
880 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
881 BFA_LOG(KERN_INFO, bfad, log_level,
882 "New logical port created: WWN = %s Role = %s\n",
883 lpwwn_buf, "Initiator");
884
885 bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
886 bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
887 }
888
889 /*
890 * fcs_lport_api
891 */
892
893 void
894 bfa_fcs_lport_get_attr(
895 struct bfa_fcs_lport_s *port,
896 struct bfa_lport_attr_s *port_attr)
897 {
898 if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
899 port_attr->pid = port->pid;
900 else
901 port_attr->pid = 0;
902
903 port_attr->port_cfg = port->port_cfg;
904
905 if (port->fabric) {
906 port_attr->port_type = bfa_fcs_fabric_port_type(port->fabric);
907 port_attr->loopback = bfa_fcs_fabric_is_loopback(port->fabric);
908 port_attr->authfail =
909 bfa_fcs_fabric_is_auth_failed(port->fabric);
910 port_attr->fabric_name = bfa_fcs_lport_get_fabric_name(port);
911 memcpy(port_attr->fabric_ip_addr,
912 bfa_fcs_lport_get_fabric_ipaddr(port),
913 BFA_FCS_FABRIC_IPADDR_SZ);
914
915 if (port->vport != NULL) {
916 port_attr->port_type = BFA_PORT_TYPE_VPORT;
917 port_attr->fpma_mac =
918 bfa_lps_get_lp_mac(port->vport->lps);
919 } else {
920 port_attr->fpma_mac =
921 bfa_lps_get_lp_mac(port->fabric->lps);
922 }
923 } else {
924 port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
925 port_attr->state = BFA_LPORT_UNINIT;
926 }
927 }
928
929 /*
930 * bfa_fcs_lport_fab port fab functions
931 */
932
933 /*
934 * Called by port to initialize fabric services of the base port.
935 */
936 static void
937 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
938 {
939 bfa_fcs_lport_ns_init(port);
940 bfa_fcs_lport_scn_init(port);
941 bfa_fcs_lport_ms_init(port);
942 }
943
944 /*
945 * Called by port to notify transition to online state.
946 */
947 static void
948 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
949 {
950 bfa_fcs_lport_ns_online(port);
951 bfa_fcs_lport_scn_online(port);
952 }
953
954 /*
955 * Called by port to notify transition to offline state.
956 */
957 static void
958 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
959 {
960 bfa_fcs_lport_ns_offline(port);
961 bfa_fcs_lport_scn_offline(port);
962 bfa_fcs_lport_ms_offline(port);
963 }
964
965 /*
966 * bfa_fcs_lport_n2n functions
967 */
968
969 /*
970 * Called by fcs/port to initialize N2N topology.
971 */
972 static void
973 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
974 {
975 }
976
977 /*
978 * Called by fcs/port to notify transition to online state.
979 */
980 static void
981 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
982 {
983 struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
984 struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
985 struct bfa_fcs_rport_s *rport;
986
987 bfa_trc(port->fcs, pcfg->pwwn);
988
989 /*
990 * If our PWWN is > than that of the r-port, we have to initiate PLOGI
991 * and assign an Address. if not, we need to wait for its PLOGI.
992 *
993 * If our PWWN is < than that of the remote port, it will send a PLOGI
994 * with the PIDs assigned. The rport state machine take care of this
995 * incoming PLOGI.
996 */
997 if (memcmp
998 ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
999 sizeof(wwn_t)) > 0) {
1000 port->pid = N2N_LOCAL_PID;
1001 /*
1002 * First, check if we know the device by pwwn.
1003 */
1004 rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1005 n2n_port->rem_port_wwn);
1006 if (rport) {
1007 bfa_trc(port->fcs, rport->pid);
1008 bfa_trc(port->fcs, rport->pwwn);
1009 rport->pid = N2N_REMOTE_PID;
1010 bfa_fcs_rport_online(rport);
1011 return;
1012 }
1013
1014 /*
1015 * In n2n there can be only one rport. Delete the old one
1016 * whose pid should be zero, because it is offline.
1017 */
1018 if (port->num_rports > 0) {
1019 rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1020 bfa_assert(rport != NULL);
1021 if (rport) {
1022 bfa_trc(port->fcs, rport->pwwn);
1023 bfa_fcs_rport_delete(rport);
1024 }
1025 }
1026 bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1027 }
1028 }
1029
1030 /*
1031 * Called by fcs/port to notify transition to offline state.
1032 */
1033 static void
1034 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1035 {
1036 struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1037
1038 bfa_trc(port->fcs, port->pid);
1039 port->pid = 0;
1040 n2n_port->rem_port_wwn = 0;
1041 n2n_port->reply_oxid = 0;
1042 }
1043
1044 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1045
1046 /*
1047 * forward declarations
1048 */
1049 static void bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
1050 struct bfa_fcxp_s *fcxp_alloced);
1051 static void bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
1052 struct bfa_fcxp_s *fcxp_alloced);
1053 static void bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
1054 struct bfa_fcxp_s *fcxp_alloced);
1055 static void bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
1056 struct bfa_fcxp_s *fcxp,
1057 void *cbarg,
1058 bfa_status_t req_status,
1059 u32 rsp_len,
1060 u32 resid_len,
1061 struct fchs_s *rsp_fchs);
1062 static void bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1063 struct bfa_fcxp_s *fcxp,
1064 void *cbarg,
1065 bfa_status_t req_status,
1066 u32 rsp_len,
1067 u32 resid_len,
1068 struct fchs_s *rsp_fchs);
1069 static void bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1070 struct bfa_fcxp_s *fcxp,
1071 void *cbarg,
1072 bfa_status_t req_status,
1073 u32 rsp_len,
1074 u32 resid_len,
1075 struct fchs_s *rsp_fchs);
1076 static void bfa_fcs_lport_fdmi_timeout(void *arg);
1077 static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1078 u8 *pyld);
1079 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1080 u8 *pyld);
1081 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1082 u8 *pyld);
1083 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
1084 fdmi, u8 *pyld);
1085 static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1086 struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
1087 static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1088 struct bfa_fcs_fdmi_port_attr_s *port_attr);
1089 /*
1090 * fcs_fdmi_sm FCS FDMI state machine
1091 */
1092
1093 /*
1094 * FDMI State Machine events
1095 */
1096 enum port_fdmi_event {
1097 FDMISM_EVENT_PORT_ONLINE = 1,
1098 FDMISM_EVENT_PORT_OFFLINE = 2,
1099 FDMISM_EVENT_RSP_OK = 4,
1100 FDMISM_EVENT_RSP_ERROR = 5,
1101 FDMISM_EVENT_TIMEOUT = 6,
1102 FDMISM_EVENT_RHBA_SENT = 7,
1103 FDMISM_EVENT_RPRT_SENT = 8,
1104 FDMISM_EVENT_RPA_SENT = 9,
1105 };
1106
1107 static void bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1108 enum port_fdmi_event event);
1109 static void bfa_fcs_lport_fdmi_sm_sending_rhba(
1110 struct bfa_fcs_lport_fdmi_s *fdmi,
1111 enum port_fdmi_event event);
1112 static void bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1113 enum port_fdmi_event event);
1114 static void bfa_fcs_lport_fdmi_sm_rhba_retry(
1115 struct bfa_fcs_lport_fdmi_s *fdmi,
1116 enum port_fdmi_event event);
1117 static void bfa_fcs_lport_fdmi_sm_sending_rprt(
1118 struct bfa_fcs_lport_fdmi_s *fdmi,
1119 enum port_fdmi_event event);
1120 static void bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1121 enum port_fdmi_event event);
1122 static void bfa_fcs_lport_fdmi_sm_rprt_retry(
1123 struct bfa_fcs_lport_fdmi_s *fdmi,
1124 enum port_fdmi_event event);
1125 static void bfa_fcs_lport_fdmi_sm_sending_rpa(
1126 struct bfa_fcs_lport_fdmi_s *fdmi,
1127 enum port_fdmi_event event);
1128 static void bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1129 enum port_fdmi_event event);
1130 static void bfa_fcs_lport_fdmi_sm_rpa_retry(
1131 struct bfa_fcs_lport_fdmi_s *fdmi,
1132 enum port_fdmi_event event);
1133 static void bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1134 enum port_fdmi_event event);
1135 static void bfa_fcs_lport_fdmi_sm_disabled(
1136 struct bfa_fcs_lport_fdmi_s *fdmi,
1137 enum port_fdmi_event event);
1138 /*
1139 * Start in offline state - awaiting MS to send start.
1140 */
1141 static void
1142 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1143 enum port_fdmi_event event)
1144 {
1145 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1146
1147 bfa_trc(port->fcs, port->port_cfg.pwwn);
1148 bfa_trc(port->fcs, event);
1149
1150 fdmi->retry_cnt = 0;
1151
1152 switch (event) {
1153 case FDMISM_EVENT_PORT_ONLINE:
1154 if (port->vport) {
1155 /*
1156 * For Vports, register a new port.
1157 */
1158 bfa_sm_set_state(fdmi,
1159 bfa_fcs_lport_fdmi_sm_sending_rprt);
1160 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1161 } else {
1162 /*
1163 * For a base port, we should first register the HBA
1164 * atribute. The HBA attribute also contains the base
1165 * port registration.
1166 */
1167 bfa_sm_set_state(fdmi,
1168 bfa_fcs_lport_fdmi_sm_sending_rhba);
1169 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1170 }
1171 break;
1172
1173 case FDMISM_EVENT_PORT_OFFLINE:
1174 break;
1175
1176 default:
1177 bfa_sm_fault(port->fcs, event);
1178 }
1179 }
1180
1181 static void
1182 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1183 enum port_fdmi_event event)
1184 {
1185 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1186
1187 bfa_trc(port->fcs, port->port_cfg.pwwn);
1188 bfa_trc(port->fcs, event);
1189
1190 switch (event) {
1191 case FDMISM_EVENT_RHBA_SENT:
1192 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
1193 break;
1194
1195 case FDMISM_EVENT_PORT_OFFLINE:
1196 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1197 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1198 &fdmi->fcxp_wqe);
1199 break;
1200
1201 default:
1202 bfa_sm_fault(port->fcs, event);
1203 }
1204 }
1205
1206 static void
1207 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1208 enum port_fdmi_event event)
1209 {
1210 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1211
1212 bfa_trc(port->fcs, port->port_cfg.pwwn);
1213 bfa_trc(port->fcs, event);
1214
1215 switch (event) {
1216 case FDMISM_EVENT_RSP_ERROR:
1217 /*
1218 * if max retries have not been reached, start timer for a
1219 * delayed retry
1220 */
1221 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1222 bfa_sm_set_state(fdmi,
1223 bfa_fcs_lport_fdmi_sm_rhba_retry);
1224 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1225 &fdmi->timer,
1226 bfa_fcs_lport_fdmi_timeout, fdmi,
1227 BFA_FCS_RETRY_TIMEOUT);
1228 } else {
1229 /*
1230 * set state to offline
1231 */
1232 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1233 }
1234 break;
1235
1236 case FDMISM_EVENT_RSP_OK:
1237 /*
1238 * Initiate Register Port Attributes
1239 */
1240 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1241 fdmi->retry_cnt = 0;
1242 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1243 break;
1244
1245 case FDMISM_EVENT_PORT_OFFLINE:
1246 bfa_fcxp_discard(fdmi->fcxp);
1247 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1248 break;
1249
1250 default:
1251 bfa_sm_fault(port->fcs, event);
1252 }
1253 }
1254
1255 static void
1256 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1257 enum port_fdmi_event event)
1258 {
1259 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1260
1261 bfa_trc(port->fcs, port->port_cfg.pwwn);
1262 bfa_trc(port->fcs, event);
1263
1264 switch (event) {
1265 case FDMISM_EVENT_TIMEOUT:
1266 /*
1267 * Retry Timer Expired. Re-send
1268 */
1269 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1270 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1271 break;
1272
1273 case FDMISM_EVENT_PORT_OFFLINE:
1274 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1275 bfa_timer_stop(&fdmi->timer);
1276 break;
1277
1278 default:
1279 bfa_sm_fault(port->fcs, event);
1280 }
1281 }
1282
1283 /*
1284 * RPRT : Register Port
1285 */
1286 static void
1287 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1288 enum port_fdmi_event event)
1289 {
1290 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1291
1292 bfa_trc(port->fcs, port->port_cfg.pwwn);
1293 bfa_trc(port->fcs, event);
1294
1295 switch (event) {
1296 case FDMISM_EVENT_RPRT_SENT:
1297 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
1298 break;
1299
1300 case FDMISM_EVENT_PORT_OFFLINE:
1301 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1302 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1303 &fdmi->fcxp_wqe);
1304 break;
1305
1306 default:
1307 bfa_sm_fault(port->fcs, event);
1308 }
1309 }
1310
1311 static void
1312 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1313 enum port_fdmi_event event)
1314 {
1315 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1316
1317 bfa_trc(port->fcs, port->port_cfg.pwwn);
1318 bfa_trc(port->fcs, event);
1319
1320 switch (event) {
1321 case FDMISM_EVENT_RSP_ERROR:
1322 /*
1323 * if max retries have not been reached, start timer for a
1324 * delayed retry
1325 */
1326 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1327 bfa_sm_set_state(fdmi,
1328 bfa_fcs_lport_fdmi_sm_rprt_retry);
1329 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1330 &fdmi->timer,
1331 bfa_fcs_lport_fdmi_timeout, fdmi,
1332 BFA_FCS_RETRY_TIMEOUT);
1333
1334 } else {
1335 /*
1336 * set state to offline
1337 */
1338 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1339 fdmi->retry_cnt = 0;
1340 }
1341 break;
1342
1343 case FDMISM_EVENT_RSP_OK:
1344 fdmi->retry_cnt = 0;
1345 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1346 break;
1347
1348 case FDMISM_EVENT_PORT_OFFLINE:
1349 bfa_fcxp_discard(fdmi->fcxp);
1350 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1351 break;
1352
1353 default:
1354 bfa_sm_fault(port->fcs, event);
1355 }
1356 }
1357
1358 static void
1359 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1360 enum port_fdmi_event event)
1361 {
1362 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1363
1364 bfa_trc(port->fcs, port->port_cfg.pwwn);
1365 bfa_trc(port->fcs, event);
1366
1367 switch (event) {
1368 case FDMISM_EVENT_TIMEOUT:
1369 /*
1370 * Retry Timer Expired. Re-send
1371 */
1372 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1373 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1374 break;
1375
1376 case FDMISM_EVENT_PORT_OFFLINE:
1377 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1378 bfa_timer_stop(&fdmi->timer);
1379 break;
1380
1381 default:
1382 bfa_sm_fault(port->fcs, event);
1383 }
1384 }
1385
1386 /*
1387 * Register Port Attributes
1388 */
1389 static void
1390 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1391 enum port_fdmi_event event)
1392 {
1393 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1394
1395 bfa_trc(port->fcs, port->port_cfg.pwwn);
1396 bfa_trc(port->fcs, event);
1397
1398 switch (event) {
1399 case FDMISM_EVENT_RPA_SENT:
1400 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
1401 break;
1402
1403 case FDMISM_EVENT_PORT_OFFLINE:
1404 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1405 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1406 &fdmi->fcxp_wqe);
1407 break;
1408
1409 default:
1410 bfa_sm_fault(port->fcs, event);
1411 }
1412 }
1413
1414 static void
1415 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1416 enum port_fdmi_event event)
1417 {
1418 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1419
1420 bfa_trc(port->fcs, port->port_cfg.pwwn);
1421 bfa_trc(port->fcs, event);
1422
1423 switch (event) {
1424 case FDMISM_EVENT_RSP_ERROR:
1425 /*
1426 * if max retries have not been reached, start timer for a
1427 * delayed retry
1428 */
1429 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1430 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
1431 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1432 &fdmi->timer,
1433 bfa_fcs_lport_fdmi_timeout, fdmi,
1434 BFA_FCS_RETRY_TIMEOUT);
1435 } else {
1436 /*
1437 * set state to offline
1438 */
1439 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1440 fdmi->retry_cnt = 0;
1441 }
1442 break;
1443
1444 case FDMISM_EVENT_RSP_OK:
1445 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1446 fdmi->retry_cnt = 0;
1447 break;
1448
1449 case FDMISM_EVENT_PORT_OFFLINE:
1450 bfa_fcxp_discard(fdmi->fcxp);
1451 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1452 break;
1453
1454 default:
1455 bfa_sm_fault(port->fcs, event);
1456 }
1457 }
1458
1459 static void
1460 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1461 enum port_fdmi_event event)
1462 {
1463 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1464
1465 bfa_trc(port->fcs, port->port_cfg.pwwn);
1466 bfa_trc(port->fcs, event);
1467
1468 switch (event) {
1469 case FDMISM_EVENT_TIMEOUT:
1470 /*
1471 * Retry Timer Expired. Re-send
1472 */
1473 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1474 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1475 break;
1476
1477 case FDMISM_EVENT_PORT_OFFLINE:
1478 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1479 bfa_timer_stop(&fdmi->timer);
1480 break;
1481
1482 default:
1483 bfa_sm_fault(port->fcs, event);
1484 }
1485 }
1486
1487 static void
1488 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1489 enum port_fdmi_event event)
1490 {
1491 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1492
1493 bfa_trc(port->fcs, port->port_cfg.pwwn);
1494 bfa_trc(port->fcs, event);
1495
1496 switch (event) {
1497 case FDMISM_EVENT_PORT_OFFLINE:
1498 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1499 break;
1500
1501 default:
1502 bfa_sm_fault(port->fcs, event);
1503 }
1504 }
1505 /*
1506 * FDMI is disabled state.
1507 */
1508 static void
1509 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1510 enum port_fdmi_event event)
1511 {
1512 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1513
1514 bfa_trc(port->fcs, port->port_cfg.pwwn);
1515 bfa_trc(port->fcs, event);
1516
1517 /* No op State. It can only be enabled at Driver Init. */
1518 }
1519
1520 /*
1521 * RHBA : Register HBA Attributes.
1522 */
1523 static void
1524 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1525 {
1526 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1527 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1528 struct fchs_s fchs;
1529 int len, attr_len;
1530 struct bfa_fcxp_s *fcxp;
1531 u8 *pyld;
1532
1533 bfa_trc(port->fcs, port->port_cfg.pwwn);
1534
1535 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1536 if (!fcxp) {
1537 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1538 bfa_fcs_lport_fdmi_send_rhba, fdmi);
1539 return;
1540 }
1541 fdmi->fcxp = fcxp;
1542
1543 pyld = bfa_fcxp_get_reqbuf(fcxp);
1544 memset(pyld, 0, FC_MAX_PDUSZ);
1545
1546 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1547 FDMI_RHBA);
1548
1549 attr_len =
1550 bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1551 (u8 *) ((struct ct_hdr_s *) pyld
1552 + 1));
1553
1554 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1555 FC_CLASS_3, (len + attr_len), &fchs,
1556 bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
1557 FC_MAX_PDUSZ, FC_FCCT_TOV);
1558
1559 bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1560 }
1561
1562 static u16
1563 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1564 {
1565 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1566 struct bfa_fcs_fdmi_hba_attr_s hba_attr;
1567 struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
1568 struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
1569 struct fdmi_attr_s *attr;
1570 u8 *curr_ptr;
1571 u16 len, count;
1572
1573 /*
1574 * get hba attributes
1575 */
1576 bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
1577
1578 rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
1579 rhba->port_list.num_ports = cpu_to_be32(1);
1580 rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
1581
1582 len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1583
1584 count = 0;
1585 len += sizeof(rhba->hba_attr_blk.attr_count);
1586
1587 /*
1588 * fill out the invididual entries of the HBA attrib Block
1589 */
1590 curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
1591
1592 /*
1593 * Node Name
1594 */
1595 attr = (struct fdmi_attr_s *) curr_ptr;
1596 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
1597 attr->len = sizeof(wwn_t);
1598 memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), attr->len);
1599 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1600 len += attr->len;
1601 count++;
1602 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1603 sizeof(attr->len));
1604
1605 /*
1606 * Manufacturer
1607 */
1608 attr = (struct fdmi_attr_s *) curr_ptr;
1609 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
1610 attr->len = (u16) strlen(fcs_hba_attr->manufacturer);
1611 memcpy(attr->value, fcs_hba_attr->manufacturer, attr->len);
1612 attr->len = fc_roundup(attr->len, sizeof(u32));
1613 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1614 len += attr->len;
1615 count++;
1616 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1617 sizeof(attr->len));
1618
1619 /*
1620 * Serial Number
1621 */
1622 attr = (struct fdmi_attr_s *) curr_ptr;
1623 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
1624 attr->len = (u16) strlen(fcs_hba_attr->serial_num);
1625 memcpy(attr->value, fcs_hba_attr->serial_num, attr->len);
1626 attr->len = fc_roundup(attr->len, sizeof(u32));
1627 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1628 len += attr->len;
1629 count++;
1630 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1631 sizeof(attr->len));
1632
1633 /*
1634 * Model
1635 */
1636 attr = (struct fdmi_attr_s *) curr_ptr;
1637 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
1638 attr->len = (u16) strlen(fcs_hba_attr->model);
1639 memcpy(attr->value, fcs_hba_attr->model, attr->len);
1640 attr->len = fc_roundup(attr->len, sizeof(u32));
1641 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1642 len += attr->len;
1643 count++;
1644 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1645 sizeof(attr->len));
1646
1647 /*
1648 * Model Desc
1649 */
1650 attr = (struct fdmi_attr_s *) curr_ptr;
1651 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
1652 attr->len = (u16) strlen(fcs_hba_attr->model_desc);
1653 memcpy(attr->value, fcs_hba_attr->model_desc, attr->len);
1654 attr->len = fc_roundup(attr->len, sizeof(u32));
1655 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1656 len += attr->len;
1657 count++;
1658 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1659 sizeof(attr->len));
1660
1661 /*
1662 * H/W Version
1663 */
1664 if (fcs_hba_attr->hw_version[0] != '\0') {
1665 attr = (struct fdmi_attr_s *) curr_ptr;
1666 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
1667 attr->len = (u16) strlen(fcs_hba_attr->hw_version);
1668 memcpy(attr->value, fcs_hba_attr->hw_version, attr->len);
1669 attr->len = fc_roundup(attr->len, sizeof(u32));
1670 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1671 len += attr->len;
1672 count++;
1673 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1674 sizeof(attr->len));
1675 }
1676
1677 /*
1678 * Driver Version
1679 */
1680 attr = (struct fdmi_attr_s *) curr_ptr;
1681 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
1682 attr->len = (u16) strlen(fcs_hba_attr->driver_version);
1683 memcpy(attr->value, fcs_hba_attr->driver_version, attr->len);
1684 attr->len = fc_roundup(attr->len, sizeof(u32));
1685 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1686 len += attr->len;;
1687 count++;
1688 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1689 sizeof(attr->len));
1690
1691 /*
1692 * Option Rom Version
1693 */
1694 if (fcs_hba_attr->option_rom_ver[0] != '\0') {
1695 attr = (struct fdmi_attr_s *) curr_ptr;
1696 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
1697 attr->len = (u16) strlen(fcs_hba_attr->option_rom_ver);
1698 memcpy(attr->value, fcs_hba_attr->option_rom_ver, attr->len);
1699 attr->len = fc_roundup(attr->len, sizeof(u32));
1700 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1701 len += attr->len;
1702 count++;
1703 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1704 sizeof(attr->len));
1705 }
1706
1707 /*
1708 * f/w Version = driver version
1709 */
1710 attr = (struct fdmi_attr_s *) curr_ptr;
1711 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
1712 attr->len = (u16) strlen(fcs_hba_attr->driver_version);
1713 memcpy(attr->value, fcs_hba_attr->driver_version, attr->len);
1714 attr->len = fc_roundup(attr->len, sizeof(u32));
1715 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1716 len += attr->len;
1717 count++;
1718 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1719 sizeof(attr->len));
1720
1721 /*
1722 * OS Name
1723 */
1724 if (fcs_hba_attr->os_name[0] != '\0') {
1725 attr = (struct fdmi_attr_s *) curr_ptr;
1726 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
1727 attr->len = (u16) strlen(fcs_hba_attr->os_name);
1728 memcpy(attr->value, fcs_hba_attr->os_name, attr->len);
1729 attr->len = fc_roundup(attr->len, sizeof(u32));
1730 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1731 len += attr->len;
1732 count++;
1733 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1734 sizeof(attr->len));
1735 }
1736
1737 /*
1738 * MAX_CT_PAYLOAD
1739 */
1740 attr = (struct fdmi_attr_s *) curr_ptr;
1741 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
1742 attr->len = sizeof(fcs_hba_attr->max_ct_pyld);
1743 memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, attr->len);
1744 len += attr->len;
1745 count++;
1746 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1747 sizeof(attr->len));
1748
1749 /*
1750 * Update size of payload
1751 */
1752 len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
1753
1754 rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
1755 return len;
1756 }
1757
1758 static void
1759 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
1760 void *cbarg, bfa_status_t req_status,
1761 u32 rsp_len, u32 resid_len,
1762 struct fchs_s *rsp_fchs)
1763 {
1764 struct bfa_fcs_lport_fdmi_s *fdmi =
1765 (struct bfa_fcs_lport_fdmi_s *) cbarg;
1766 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1767 struct ct_hdr_s *cthdr = NULL;
1768
1769 bfa_trc(port->fcs, port->port_cfg.pwwn);
1770
1771 /*
1772 * Sanity Checks
1773 */
1774 if (req_status != BFA_STATUS_OK) {
1775 bfa_trc(port->fcs, req_status);
1776 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
1777 return;
1778 }
1779
1780 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
1781 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
1782
1783 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
1784 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
1785 return;
1786 }
1787
1788 bfa_trc(port->fcs, cthdr->reason_code);
1789 bfa_trc(port->fcs, cthdr->exp_code);
1790 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
1791 }
1792
1793 /*
1794 * RPRT : Register Port
1795 */
1796 static void
1797 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1798 {
1799 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1800 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1801 struct fchs_s fchs;
1802 u16 len, attr_len;
1803 struct bfa_fcxp_s *fcxp;
1804 u8 *pyld;
1805
1806 bfa_trc(port->fcs, port->port_cfg.pwwn);
1807
1808 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1809 if (!fcxp) {
1810 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1811 bfa_fcs_lport_fdmi_send_rprt, fdmi);
1812 return;
1813 }
1814 fdmi->fcxp = fcxp;
1815
1816 pyld = bfa_fcxp_get_reqbuf(fcxp);
1817 memset(pyld, 0, FC_MAX_PDUSZ);
1818
1819 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1820 FDMI_RPRT);
1821
1822 attr_len =
1823 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
1824 (u8 *) ((struct ct_hdr_s *) pyld
1825 + 1));
1826
1827 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1828 FC_CLASS_3, len + attr_len, &fchs,
1829 bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
1830 FC_MAX_PDUSZ, FC_FCCT_TOV);
1831
1832 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
1833 }
1834
1835 /*
1836 * This routine builds Port Attribute Block that used in RPA, RPRT commands.
1837 */
1838 static u16
1839 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
1840 u8 *pyld)
1841 {
1842 struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
1843 struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
1844 struct fdmi_attr_s *attr;
1845 u8 *curr_ptr;
1846 u16 len;
1847 u8 count = 0;
1848
1849 /*
1850 * get port attributes
1851 */
1852 bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
1853
1854 len = sizeof(port_attrib->attr_count);
1855
1856 /*
1857 * fill out the invididual entries
1858 */
1859 curr_ptr = (u8 *) &port_attrib->port_attr;
1860
1861 /*
1862 * FC4 Types
1863 */
1864 attr = (struct fdmi_attr_s *) curr_ptr;
1865 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
1866 attr->len = sizeof(fcs_port_attr.supp_fc4_types);
1867 memcpy(attr->value, fcs_port_attr.supp_fc4_types, attr->len);
1868 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1869 len += attr->len;
1870 ++count;
1871 attr->len =
1872 cpu_to_be16(attr->len + sizeof(attr->type) +
1873 sizeof(attr->len));
1874
1875 /*
1876 * Supported Speed
1877 */
1878 attr = (struct fdmi_attr_s *) curr_ptr;
1879 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
1880 attr->len = sizeof(fcs_port_attr.supp_speed);
1881 memcpy(attr->value, &fcs_port_attr.supp_speed, attr->len);
1882 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1883 len += attr->len;
1884 ++count;
1885 attr->len =
1886 cpu_to_be16(attr->len + sizeof(attr->type) +
1887 sizeof(attr->len));
1888
1889 /*
1890 * current Port Speed
1891 */
1892 attr = (struct fdmi_attr_s *) curr_ptr;
1893 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
1894 attr->len = sizeof(fcs_port_attr.curr_speed);
1895 memcpy(attr->value, &fcs_port_attr.curr_speed, attr->len);
1896 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1897 len += attr->len;
1898 ++count;
1899 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1900 sizeof(attr->len));
1901
1902 /*
1903 * max frame size
1904 */
1905 attr = (struct fdmi_attr_s *) curr_ptr;
1906 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
1907 attr->len = sizeof(fcs_port_attr.max_frm_size);
1908 memcpy(attr->value, &fcs_port_attr.max_frm_size, attr->len);
1909 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1910 len += attr->len;
1911 ++count;
1912 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1913 sizeof(attr->len));
1914
1915 /*
1916 * OS Device Name
1917 */
1918 if (fcs_port_attr.os_device_name[0] != '\0') {
1919 attr = (struct fdmi_attr_s *) curr_ptr;
1920 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
1921 attr->len = (u16) strlen(fcs_port_attr.os_device_name);
1922 memcpy(attr->value, fcs_port_attr.os_device_name, attr->len);
1923 attr->len = fc_roundup(attr->len, sizeof(u32));
1924 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1925 len += attr->len;
1926 ++count;
1927 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1928 sizeof(attr->len));
1929 }
1930 /*
1931 * Host Name
1932 */
1933 if (fcs_port_attr.host_name[0] != '\0') {
1934 attr = (struct fdmi_attr_s *) curr_ptr;
1935 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
1936 attr->len = (u16) strlen(fcs_port_attr.host_name);
1937 memcpy(attr->value, fcs_port_attr.host_name, attr->len);
1938 attr->len = fc_roundup(attr->len, sizeof(u32));
1939 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1940 len += attr->len;
1941 ++count;
1942 attr->len = cpu_to_be16(attr->len + sizeof(attr->type) +
1943 sizeof(attr->len));
1944 }
1945
1946 /*
1947 * Update size of payload
1948 */
1949 port_attrib->attr_count = cpu_to_be32(count);
1950 len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
1951 return len;
1952 }
1953
1954 static u16
1955 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1956 {
1957 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1958 struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
1959 u16 len;
1960
1961 rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
1962 rprt->port_name = bfa_fcs_lport_get_pwwn(port);
1963
1964 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
1965 (u8 *) &rprt->port_attr_blk);
1966
1967 len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
1968
1969 return len;
1970 }
1971
1972 static void
1973 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
1974 void *cbarg, bfa_status_t req_status,
1975 u32 rsp_len, u32 resid_len,
1976 struct fchs_s *rsp_fchs)
1977 {
1978 struct bfa_fcs_lport_fdmi_s *fdmi =
1979 (struct bfa_fcs_lport_fdmi_s *) cbarg;
1980 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1981 struct ct_hdr_s *cthdr = NULL;
1982
1983 bfa_trc(port->fcs, port->port_cfg.pwwn);
1984
1985 /*
1986 * Sanity Checks
1987 */
1988 if (req_status != BFA_STATUS_OK) {
1989 bfa_trc(port->fcs, req_status);
1990 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
1991 return;
1992 }
1993
1994 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
1995 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
1996
1997 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
1998 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
1999 return;
2000 }
2001
2002 bfa_trc(port->fcs, cthdr->reason_code);
2003 bfa_trc(port->fcs, cthdr->exp_code);
2004 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2005 }
2006
2007 /*
2008 * RPA : Register Port Attributes.
2009 */
2010 static void
2011 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2012 {
2013 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2014 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2015 struct fchs_s fchs;
2016 u16 len, attr_len;
2017 struct bfa_fcxp_s *fcxp;
2018 u8 *pyld;
2019
2020 bfa_trc(port->fcs, port->port_cfg.pwwn);
2021
2022 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2023 if (!fcxp) {
2024 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2025 bfa_fcs_lport_fdmi_send_rpa, fdmi);
2026 return;
2027 }
2028 fdmi->fcxp = fcxp;
2029
2030 pyld = bfa_fcxp_get_reqbuf(fcxp);
2031 memset(pyld, 0, FC_MAX_PDUSZ);
2032
2033 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2034 FDMI_RPA);
2035
2036 attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2037 (u8 *) ((struct ct_hdr_s *) pyld + 1));
2038
2039 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2040 FC_CLASS_3, len + attr_len, &fchs,
2041 bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2042 FC_MAX_PDUSZ, FC_FCCT_TOV);
2043
2044 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2045 }
2046
2047 static u16
2048 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2049 {
2050 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2051 struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2052 u16 len;
2053
2054 rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2055
2056 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2057 (u8 *) &rpa->port_attr_blk);
2058
2059 len += sizeof(rpa->port_name);
2060
2061 return len;
2062 }
2063
2064 static void
2065 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2066 void *cbarg, bfa_status_t req_status, u32 rsp_len,
2067 u32 resid_len, struct fchs_s *rsp_fchs)
2068 {
2069 struct bfa_fcs_lport_fdmi_s *fdmi =
2070 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2071 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2072 struct ct_hdr_s *cthdr = NULL;
2073
2074 bfa_trc(port->fcs, port->port_cfg.pwwn);
2075
2076 /*
2077 * Sanity Checks
2078 */
2079 if (req_status != BFA_STATUS_OK) {
2080 bfa_trc(port->fcs, req_status);
2081 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2082 return;
2083 }
2084
2085 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2086 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2087
2088 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2089 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2090 return;
2091 }
2092
2093 bfa_trc(port->fcs, cthdr->reason_code);
2094 bfa_trc(port->fcs, cthdr->exp_code);
2095 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2096 }
2097
2098 static void
2099 bfa_fcs_lport_fdmi_timeout(void *arg)
2100 {
2101 struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2102
2103 bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2104 }
2105
2106 void
2107 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2108 struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2109 {
2110 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2111 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2112
2113 memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2114
2115 bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2116 hba_attr->manufacturer);
2117 bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2118 hba_attr->serial_num);
2119 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2120 hba_attr->model);
2121 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2122 hba_attr->model_desc);
2123 bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2124 hba_attr->hw_version);
2125 bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2126 hba_attr->option_rom_ver);
2127 bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2128 hba_attr->fw_version);
2129
2130 strncpy(hba_attr->driver_version, (char *)driver_info->version,
2131 sizeof(hba_attr->driver_version));
2132
2133 strncpy(hba_attr->os_name, driver_info->host_os_name,
2134 sizeof(hba_attr->os_name));
2135
2136 /*
2137 * If there is a patch level, append it
2138 * to the os name along with a separator
2139 */
2140 if (driver_info->host_os_patch[0] != '\0') {
2141 strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2142 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
2143 strncat(hba_attr->os_name, driver_info->host_os_patch,
2144 sizeof(driver_info->host_os_patch));
2145 }
2146
2147 hba_attr->max_ct_pyld = cpu_to_be32(FC_MAX_PDUSZ);
2148 }
2149
2150 void
2151 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2152 struct bfa_fcs_fdmi_port_attr_s *port_attr)
2153 {
2154 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2155 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2156 struct bfa_port_attr_s pport_attr;
2157
2158 memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2159
2160 /*
2161 * get pport attributes from hal
2162 */
2163 bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2164
2165 /*
2166 * get FC4 type Bitmask
2167 */
2168 fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2169
2170 /*
2171 * Supported Speeds
2172 */
2173 port_attr->supp_speed = cpu_to_be32(BFA_FCS_FDMI_SUPORTED_SPEEDS);
2174
2175 /*
2176 * Current Speed
2177 */
2178 port_attr->curr_speed = cpu_to_be32(pport_attr.speed);
2179
2180 /*
2181 * Max PDU Size.
2182 */
2183 port_attr->max_frm_size = cpu_to_be32(FC_MAX_PDUSZ);
2184
2185 /*
2186 * OS device Name
2187 */
2188 strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
2189 sizeof(port_attr->os_device_name));
2190
2191 /*
2192 * Host name
2193 */
2194 strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
2195 sizeof(port_attr->host_name));
2196
2197 }
2198
2199
2200 void
2201 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2202 {
2203 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2204
2205 fdmi->ms = ms;
2206 if (ms->port->fcs->fdmi_enabled)
2207 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2208 else
2209 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2210 }
2211
2212 void
2213 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2214 {
2215 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2216
2217 fdmi->ms = ms;
2218 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2219 }
2220
2221 void
2222 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2223 {
2224 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2225
2226 fdmi->ms = ms;
2227 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2228 }
2229
2230 #define BFA_FCS_MS_CMD_MAX_RETRIES 2
2231
2232 /*
2233 * forward declarations
2234 */
2235 static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2236 struct bfa_fcxp_s *fcxp_alloced);
2237 static void bfa_fcs_lport_ms_timeout(void *arg);
2238 static void bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2239 struct bfa_fcxp_s *fcxp,
2240 void *cbarg,
2241 bfa_status_t req_status,
2242 u32 rsp_len,
2243 u32 resid_len,
2244 struct fchs_s *rsp_fchs);
2245
2246 static void bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2247 struct bfa_fcxp_s *fcxp_alloced);
2248 static void bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2249 struct bfa_fcxp_s *fcxp,
2250 void *cbarg,
2251 bfa_status_t req_status,
2252 u32 rsp_len,
2253 u32 resid_len,
2254 struct fchs_s *rsp_fchs);
2255 static void bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2256 struct bfa_fcxp_s *fcxp_alloced);
2257 static void bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2258 struct bfa_fcxp_s *fcxp,
2259 void *cbarg,
2260 bfa_status_t req_status,
2261 u32 rsp_len,
2262 u32 resid_len,
2263 struct fchs_s *rsp_fchs);
2264 /*
2265 * fcs_ms_sm FCS MS state machine
2266 */
2267
2268 /*
2269 * MS State Machine events
2270 */
2271 enum port_ms_event {
2272 MSSM_EVENT_PORT_ONLINE = 1,
2273 MSSM_EVENT_PORT_OFFLINE = 2,
2274 MSSM_EVENT_RSP_OK = 3,
2275 MSSM_EVENT_RSP_ERROR = 4,
2276 MSSM_EVENT_TIMEOUT = 5,
2277 MSSM_EVENT_FCXP_SENT = 6,
2278 MSSM_EVENT_PORT_FABRIC_RSCN = 7
2279 };
2280
2281 static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2282 enum port_ms_event event);
2283 static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2284 enum port_ms_event event);
2285 static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2286 enum port_ms_event event);
2287 static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2288 enum port_ms_event event);
2289 static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2290 enum port_ms_event event);
2291 static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2292 enum port_ms_event event);
2293 static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2294 enum port_ms_event event);
2295 static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2296 enum port_ms_event event);
2297 static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2298 enum port_ms_event event);
2299 static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2300 enum port_ms_event event);
2301 static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2302 enum port_ms_event event);
2303 /*
2304 * Start in offline state - awaiting NS to send start.
2305 */
2306 static void
2307 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2308 enum port_ms_event event)
2309 {
2310 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2311 bfa_trc(ms->port->fcs, event);
2312
2313 switch (event) {
2314 case MSSM_EVENT_PORT_ONLINE:
2315 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2316 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2317 break;
2318
2319 case MSSM_EVENT_PORT_OFFLINE:
2320 break;
2321
2322 default:
2323 bfa_sm_fault(ms->port->fcs, event);
2324 }
2325 }
2326
2327 static void
2328 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2329 enum port_ms_event event)
2330 {
2331 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2332 bfa_trc(ms->port->fcs, event);
2333
2334 switch (event) {
2335 case MSSM_EVENT_FCXP_SENT:
2336 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2337 break;
2338
2339 case MSSM_EVENT_PORT_OFFLINE:
2340 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2341 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2342 &ms->fcxp_wqe);
2343 break;
2344
2345 default:
2346 bfa_sm_fault(ms->port->fcs, event);
2347 }
2348 }
2349
2350 static void
2351 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2352 enum port_ms_event event)
2353 {
2354 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2355 bfa_trc(ms->port->fcs, event);
2356
2357 switch (event) {
2358 case MSSM_EVENT_RSP_ERROR:
2359 /*
2360 * Start timer for a delayed retry
2361 */
2362 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2363 ms->port->stats.ms_retries++;
2364 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2365 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2366 BFA_FCS_RETRY_TIMEOUT);
2367 break;
2368
2369 case MSSM_EVENT_RSP_OK:
2370 /*
2371 * since plogi is done, now invoke MS related sub-modules
2372 */
2373 bfa_fcs_lport_fdmi_online(ms);
2374
2375 /*
2376 * if this is a Vport, go to online state.
2377 */
2378 if (ms->port->vport) {
2379 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2380 break;
2381 }
2382
2383 /*
2384 * For a base port we need to get the
2385 * switch's IP address.
2386 */
2387 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2388 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2389 break;
2390
2391 case MSSM_EVENT_PORT_OFFLINE:
2392 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2393 bfa_fcxp_discard(ms->fcxp);
2394 break;
2395
2396 default:
2397 bfa_sm_fault(ms->port->fcs, event);
2398 }
2399 }
2400
2401 static void
2402 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2403 enum port_ms_event event)
2404 {
2405 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2406 bfa_trc(ms->port->fcs, event);
2407
2408 switch (event) {
2409 case MSSM_EVENT_TIMEOUT:
2410 /*
2411 * Retry Timer Expired. Re-send
2412 */
2413 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2414 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2415 break;
2416
2417 case MSSM_EVENT_PORT_OFFLINE:
2418 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2419 bfa_timer_stop(&ms->timer);
2420 break;
2421
2422 default:
2423 bfa_sm_fault(ms->port->fcs, event);
2424 }
2425 }
2426
2427 static void
2428 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2429 enum port_ms_event event)
2430 {
2431 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2432 bfa_trc(ms->port->fcs, event);
2433
2434 switch (event) {
2435 case MSSM_EVENT_PORT_OFFLINE:
2436 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2437 break;
2438
2439 case MSSM_EVENT_PORT_FABRIC_RSCN:
2440 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2441 ms->retry_cnt = 0;
2442 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2443 break;
2444
2445 default:
2446 bfa_sm_fault(ms->port->fcs, event);
2447 }
2448 }
2449
2450 static void
2451 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2452 enum port_ms_event event)
2453 {
2454 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2455 bfa_trc(ms->port->fcs, event);
2456
2457 switch (event) {
2458 case MSSM_EVENT_FCXP_SENT:
2459 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
2460 break;
2461
2462 case MSSM_EVENT_PORT_OFFLINE:
2463 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2464 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2465 &ms->fcxp_wqe);
2466 break;
2467
2468 default:
2469 bfa_sm_fault(ms->port->fcs, event);
2470 }
2471 }
2472
2473 static void
2474 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2475 enum port_ms_event event)
2476 {
2477 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2478 bfa_trc(ms->port->fcs, event);
2479
2480 switch (event) {
2481 case MSSM_EVENT_RSP_ERROR:
2482 /*
2483 * Start timer for a delayed retry
2484 */
2485 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
2486 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
2487 ms->port->stats.ms_retries++;
2488 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2489 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2490 BFA_FCS_RETRY_TIMEOUT);
2491 } else {
2492 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2493 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2494 ms->retry_cnt = 0;
2495 }
2496 break;
2497
2498 case MSSM_EVENT_RSP_OK:
2499 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2500 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2501 break;
2502
2503 case MSSM_EVENT_PORT_OFFLINE:
2504 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2505 bfa_fcxp_discard(ms->fcxp);
2506 break;
2507
2508 default:
2509 bfa_sm_fault(ms->port->fcs, event);
2510 }
2511 }
2512
2513 static void
2514 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2515 enum port_ms_event event)
2516 {
2517 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2518 bfa_trc(ms->port->fcs, event);
2519
2520 switch (event) {
2521 case MSSM_EVENT_TIMEOUT:
2522 /*
2523 * Retry Timer Expired. Re-send
2524 */
2525 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2526 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2527 break;
2528
2529 case MSSM_EVENT_PORT_OFFLINE:
2530 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2531 bfa_timer_stop(&ms->timer);
2532 break;
2533
2534 default:
2535 bfa_sm_fault(ms->port->fcs, event);
2536 }
2537 }
2538 /*
2539 * ms_pvt MS local functions
2540 */
2541
2542 static void
2543 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2544 {
2545 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2546 bfa_fcs_lport_t *port = ms->port;
2547 struct fchs_s fchs;
2548 int len;
2549 struct bfa_fcxp_s *fcxp;
2550
2551 bfa_trc(port->fcs, port->pid);
2552
2553 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2554 if (!fcxp) {
2555 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2556 bfa_fcs_lport_ms_send_gmal, ms);
2557 return;
2558 }
2559 ms->fcxp = fcxp;
2560
2561 len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2562 bfa_fcs_lport_get_fcid(port),
2563 bfa_lps_get_peer_nwwn(port->fabric->lps));
2564
2565 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2566 FC_CLASS_3, len, &fchs,
2567 bfa_fcs_lport_ms_gmal_response, (void *)ms,
2568 FC_MAX_PDUSZ, FC_FCCT_TOV);
2569
2570 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2571 }
2572
2573 static void
2574 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2575 void *cbarg, bfa_status_t req_status,
2576 u32 rsp_len, u32 resid_len,
2577 struct fchs_s *rsp_fchs)
2578 {
2579 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2580 bfa_fcs_lport_t *port = ms->port;
2581 struct ct_hdr_s *cthdr = NULL;
2582 struct fcgs_gmal_resp_s *gmal_resp;
2583 struct fcgs_gmal_entry_s *gmal_entry;
2584 u32 num_entries;
2585 u8 *rsp_str;
2586
2587 bfa_trc(port->fcs, req_status);
2588 bfa_trc(port->fcs, port->port_cfg.pwwn);
2589
2590 /*
2591 * Sanity Checks
2592 */
2593 if (req_status != BFA_STATUS_OK) {
2594 bfa_trc(port->fcs, req_status);
2595 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2596 return;
2597 }
2598
2599 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2600 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2601
2602 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2603 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
2604
2605 num_entries = be32_to_cpu(gmal_resp->ms_len);
2606 if (num_entries == 0) {
2607 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2608 return;
2609 }
2610 /*
2611 * The response could contain multiple Entries.
2612 * Entries for SNMP interface, etc.
2613 * We look for the entry with a telnet prefix.
2614 * First "http://" entry refers to IP addr
2615 */
2616
2617 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
2618 while (num_entries > 0) {
2619 if (strncmp(gmal_entry->prefix,
2620 CT_GMAL_RESP_PREFIX_HTTP,
2621 sizeof(gmal_entry->prefix)) == 0) {
2622
2623 /*
2624 * if the IP address is terminating with a '/',
2625 * remove it.
2626 * Byte 0 consists of the length of the string.
2627 */
2628 rsp_str = &(gmal_entry->prefix[0]);
2629 if (rsp_str[gmal_entry->len-1] == '/')
2630 rsp_str[gmal_entry->len-1] = 0;
2631
2632 /* copy IP Address to fabric */
2633 strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
2634 gmal_entry->ip_addr,
2635 BFA_FCS_FABRIC_IPADDR_SZ);
2636 break;
2637 } else {
2638 --num_entries;
2639 ++gmal_entry;
2640 }
2641 }
2642
2643 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
2644 return;
2645 }
2646
2647 bfa_trc(port->fcs, cthdr->reason_code);
2648 bfa_trc(port->fcs, cthdr->exp_code);
2649 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2650 }
2651
2652 static void
2653 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2654 enum port_ms_event event)
2655 {
2656 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2657 bfa_trc(ms->port->fcs, event);
2658
2659 switch (event) {
2660 case MSSM_EVENT_FCXP_SENT:
2661 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
2662 break;
2663
2664 case MSSM_EVENT_PORT_OFFLINE:
2665 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2666 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2667 &ms->fcxp_wqe);
2668 break;
2669
2670 default:
2671 bfa_sm_fault(ms->port->fcs, event);
2672 }
2673 }
2674
2675 static void
2676 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2677 enum port_ms_event event)
2678 {
2679 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2680 bfa_trc(ms->port->fcs, event);
2681
2682 switch (event) {
2683 case MSSM_EVENT_RSP_ERROR:
2684 /*
2685 * Start timer for a delayed retry
2686 */
2687 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
2688 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
2689 ms->port->stats.ms_retries++;
2690 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2691 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2692 BFA_FCS_RETRY_TIMEOUT);
2693 } else {
2694 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2695 ms->retry_cnt = 0;
2696 }
2697 break;
2698
2699 case MSSM_EVENT_RSP_OK:
2700 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2701 break;
2702
2703 case MSSM_EVENT_PORT_OFFLINE:
2704 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2705 bfa_fcxp_discard(ms->fcxp);
2706 break;
2707
2708 default:
2709 bfa_sm_fault(ms->port->fcs, event);
2710 }
2711 }
2712
2713 static void
2714 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2715 enum port_ms_event event)
2716 {
2717 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2718 bfa_trc(ms->port->fcs, event);
2719
2720 switch (event) {
2721 case MSSM_EVENT_TIMEOUT:
2722 /*
2723 * Retry Timer Expired. Re-send
2724 */
2725 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2726 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2727 break;
2728
2729 case MSSM_EVENT_PORT_OFFLINE:
2730 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2731 bfa_timer_stop(&ms->timer);
2732 break;
2733
2734 default:
2735 bfa_sm_fault(ms->port->fcs, event);
2736 }
2737 }
2738 /*
2739 * ms_pvt MS local functions
2740 */
2741
2742 static void
2743 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2744 {
2745 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2746 bfa_fcs_lport_t *port = ms->port;
2747 struct fchs_s fchs;
2748 int len;
2749 struct bfa_fcxp_s *fcxp;
2750
2751 bfa_trc(port->fcs, port->pid);
2752
2753 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2754 if (!fcxp) {
2755 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2756 bfa_fcs_lport_ms_send_gfn, ms);
2757 return;
2758 }
2759 ms->fcxp = fcxp;
2760
2761 len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2762 bfa_fcs_lport_get_fcid(port),
2763 bfa_lps_get_peer_nwwn(port->fabric->lps));
2764
2765 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2766 FC_CLASS_3, len, &fchs,
2767 bfa_fcs_lport_ms_gfn_response, (void *)ms,
2768 FC_MAX_PDUSZ, FC_FCCT_TOV);
2769
2770 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2771 }
2772
2773 static void
2774 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2775 void *cbarg, bfa_status_t req_status, u32 rsp_len,
2776 u32 resid_len, struct fchs_s *rsp_fchs)
2777 {
2778 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2779 bfa_fcs_lport_t *port = ms->port;
2780 struct ct_hdr_s *cthdr = NULL;
2781 wwn_t *gfn_resp;
2782
2783 bfa_trc(port->fcs, req_status);
2784 bfa_trc(port->fcs, port->port_cfg.pwwn);
2785
2786 /*
2787 * Sanity Checks
2788 */
2789 if (req_status != BFA_STATUS_OK) {
2790 bfa_trc(port->fcs, req_status);
2791 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2792 return;
2793 }
2794
2795 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2796 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2797
2798 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2799 gfn_resp = (wwn_t *)(cthdr + 1);
2800 /* check if it has actually changed */
2801 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
2802 gfn_resp, sizeof(wwn_t)) != 0)) {
2803 bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
2804 }
2805 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
2806 return;
2807 }
2808
2809 bfa_trc(port->fcs, cthdr->reason_code);
2810 bfa_trc(port->fcs, cthdr->exp_code);
2811 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2812 }
2813
2814 /*
2815 * ms_pvt MS local functions
2816 */
2817
2818 static void
2819 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2820 {
2821 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2822 struct bfa_fcs_lport_s *port = ms->port;
2823 struct fchs_s fchs;
2824 int len;
2825 struct bfa_fcxp_s *fcxp;
2826
2827 bfa_trc(port->fcs, port->pid);
2828
2829 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2830 if (!fcxp) {
2831 port->stats.ms_plogi_alloc_wait++;
2832 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2833 bfa_fcs_lport_ms_send_plogi, ms);
2834 return;
2835 }
2836 ms->fcxp = fcxp;
2837
2838 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2839 bfa_os_hton3b(FC_MGMT_SERVER),
2840 bfa_fcs_lport_get_fcid(port), 0,
2841 port->port_cfg.pwwn, port->port_cfg.nwwn,
2842 bfa_fcport_get_maxfrsize(port->fcs->bfa));
2843
2844 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2845 FC_CLASS_3, len, &fchs,
2846 bfa_fcs_lport_ms_plogi_response, (void *)ms,
2847 FC_MAX_PDUSZ, FC_ELS_TOV);
2848
2849 port->stats.ms_plogi_sent++;
2850 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2851 }
2852
2853 static void
2854 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2855 void *cbarg, bfa_status_t req_status,
2856 u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
2857 {
2858 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2859 struct bfa_fcs_lport_s *port = ms->port;
2860 struct fc_els_cmd_s *els_cmd;
2861 struct fc_ls_rjt_s *ls_rjt;
2862
2863 bfa_trc(port->fcs, req_status);
2864 bfa_trc(port->fcs, port->port_cfg.pwwn);
2865
2866 /*
2867 * Sanity Checks
2868 */
2869 if (req_status != BFA_STATUS_OK) {
2870 port->stats.ms_plogi_rsp_err++;
2871 bfa_trc(port->fcs, req_status);
2872 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2873 return;
2874 }
2875
2876 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
2877
2878 switch (els_cmd->els_code) {
2879
2880 case FC_ELS_ACC:
2881 if (rsp_len < sizeof(struct fc_logi_s)) {
2882 bfa_trc(port->fcs, rsp_len);
2883 port->stats.ms_plogi_acc_err++;
2884 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2885 break;
2886 }
2887 port->stats.ms_plogi_accepts++;
2888 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
2889 break;
2890
2891 case FC_ELS_LS_RJT:
2892 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
2893
2894 bfa_trc(port->fcs, ls_rjt->reason_code);
2895 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
2896
2897 port->stats.ms_rejects++;
2898 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2899 break;
2900
2901 default:
2902 port->stats.ms_plogi_unknown_rsp++;
2903 bfa_trc(port->fcs, els_cmd->els_code);
2904 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2905 }
2906 }
2907
2908 static void
2909 bfa_fcs_lport_ms_timeout(void *arg)
2910 {
2911 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
2912
2913 ms->port->stats.ms_timeouts++;
2914 bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
2915 }
2916
2917
2918 void
2919 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
2920 {
2921 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
2922
2923 ms->port = port;
2924 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2925
2926 /*
2927 * Invoke init routines of sub modules.
2928 */
2929 bfa_fcs_lport_fdmi_init(ms);
2930 }
2931
2932 void
2933 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
2934 {
2935 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
2936
2937 ms->port = port;
2938 bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
2939 bfa_fcs_lport_fdmi_offline(ms);
2940 }
2941
2942 void
2943 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
2944 {
2945 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
2946
2947 ms->port = port;
2948 bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
2949 }
2950 void
2951 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
2952 {
2953 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
2954
2955 /* todo. Handle this only when in Online state */
2956 if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
2957 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
2958 }
2959
2960 /*
2961 * @page ns_sm_info VPORT NS State Machine
2962 *
2963 * @section ns_sm_interactions VPORT NS State Machine Interactions
2964 *
2965 * @section ns_sm VPORT NS State Machine
2966 * img ns_sm.jpg
2967 */
2968
2969 /*
2970 * forward declarations
2971 */
2972 static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
2973 struct bfa_fcxp_s *fcxp_alloced);
2974 static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
2975 struct bfa_fcxp_s *fcxp_alloced);
2976 static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
2977 struct bfa_fcxp_s *fcxp_alloced);
2978 static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
2979 struct bfa_fcxp_s *fcxp_alloced);
2980 static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
2981 struct bfa_fcxp_s *fcxp_alloced);
2982 static void bfa_fcs_lport_ns_timeout(void *arg);
2983 static void bfa_fcs_lport_ns_plogi_response(void *fcsarg,
2984 struct bfa_fcxp_s *fcxp,
2985 void *cbarg,
2986 bfa_status_t req_status,
2987 u32 rsp_len,
2988 u32 resid_len,
2989 struct fchs_s *rsp_fchs);
2990 static void bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
2991 struct bfa_fcxp_s *fcxp,
2992 void *cbarg,
2993 bfa_status_t req_status,
2994 u32 rsp_len,
2995 u32 resid_len,
2996 struct fchs_s *rsp_fchs);
2997 static void bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
2998 struct bfa_fcxp_s *fcxp,
2999 void *cbarg,
3000 bfa_status_t req_status,
3001 u32 rsp_len,
3002 u32 resid_len,
3003 struct fchs_s *rsp_fchs);
3004 static void bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3005 struct bfa_fcxp_s *fcxp,
3006 void *cbarg,
3007 bfa_status_t req_status,
3008 u32 rsp_len,
3009 u32 resid_len,
3010 struct fchs_s *rsp_fchs);
3011 static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3012 struct bfa_fcxp_s *fcxp,
3013 void *cbarg,
3014 bfa_status_t req_status,
3015 u32 rsp_len,
3016 u32 resid_len,
3017 struct fchs_s *rsp_fchs);
3018 static void bfa_fcs_lport_ns_process_gidft_pids(
3019 struct bfa_fcs_lport_s *port,
3020 u32 *pid_buf, u32 n_pids);
3021
3022 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3023 /*
3024 * fcs_ns_sm FCS nameserver interface state machine
3025 */
3026
3027 /*
3028 * VPort NS State Machine events
3029 */
3030 enum vport_ns_event {
3031 NSSM_EVENT_PORT_ONLINE = 1,
3032 NSSM_EVENT_PORT_OFFLINE = 2,
3033 NSSM_EVENT_PLOGI_SENT = 3,
3034 NSSM_EVENT_RSP_OK = 4,
3035 NSSM_EVENT_RSP_ERROR = 5,
3036 NSSM_EVENT_TIMEOUT = 6,
3037 NSSM_EVENT_NS_QUERY = 7,
3038 NSSM_EVENT_RSPNID_SENT = 8,
3039 NSSM_EVENT_RFTID_SENT = 9,
3040 NSSM_EVENT_RFFID_SENT = 10,
3041 NSSM_EVENT_GIDFT_SENT = 11,
3042 };
3043
3044 static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3045 enum vport_ns_event event);
3046 static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3047 enum vport_ns_event event);
3048 static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3049 enum vport_ns_event event);
3050 static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3051 enum vport_ns_event event);
3052 static void bfa_fcs_lport_ns_sm_sending_rspn_id(
3053 struct bfa_fcs_lport_ns_s *ns,
3054 enum vport_ns_event event);
3055 static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3056 enum vport_ns_event event);
3057 static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3058 enum vport_ns_event event);
3059 static void bfa_fcs_lport_ns_sm_sending_rft_id(
3060 struct bfa_fcs_lport_ns_s *ns,
3061 enum vport_ns_event event);
3062 static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3063 enum vport_ns_event event);
3064 static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3065 enum vport_ns_event event);
3066 static void bfa_fcs_lport_ns_sm_sending_rff_id(
3067 struct bfa_fcs_lport_ns_s *ns,
3068 enum vport_ns_event event);
3069 static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3070 enum vport_ns_event event);
3071 static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3072 enum vport_ns_event event);
3073 static void bfa_fcs_lport_ns_sm_sending_gid_ft(
3074 struct bfa_fcs_lport_ns_s *ns,
3075 enum vport_ns_event event);
3076 static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3077 enum vport_ns_event event);
3078 static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3079 enum vport_ns_event event);
3080 static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3081 enum vport_ns_event event);
3082 /*
3083 * Start in offline state - awaiting linkup
3084 */
3085 static void
3086 bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3087 enum vport_ns_event event)
3088 {
3089 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3090 bfa_trc(ns->port->fcs, event);
3091
3092 switch (event) {
3093 case NSSM_EVENT_PORT_ONLINE:
3094 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3095 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3096 break;
3097
3098 case NSSM_EVENT_PORT_OFFLINE:
3099 break;
3100
3101 default:
3102 bfa_sm_fault(ns->port->fcs, event);
3103 }
3104 }
3105
3106 static void
3107 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3108 enum vport_ns_event event)
3109 {
3110 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3111 bfa_trc(ns->port->fcs, event);
3112
3113 switch (event) {
3114 case NSSM_EVENT_PLOGI_SENT:
3115 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3116 break;
3117
3118 case NSSM_EVENT_PORT_OFFLINE:
3119 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3120 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3121 &ns->fcxp_wqe);
3122 break;
3123
3124 default:
3125 bfa_sm_fault(ns->port->fcs, event);
3126 }
3127 }
3128
3129 static void
3130 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3131 enum vport_ns_event event)
3132 {
3133 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3134 bfa_trc(ns->port->fcs, event);
3135
3136 switch (event) {
3137 case NSSM_EVENT_RSP_ERROR:
3138 /*
3139 * Start timer for a delayed retry
3140 */
3141 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3142 ns->port->stats.ns_retries++;
3143 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3144 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3145 BFA_FCS_RETRY_TIMEOUT);
3146 break;
3147
3148 case NSSM_EVENT_RSP_OK:
3149 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3150 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3151 break;
3152
3153 case NSSM_EVENT_PORT_OFFLINE:
3154 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3155 bfa_fcxp_discard(ns->fcxp);
3156 break;
3157
3158 default:
3159 bfa_sm_fault(ns->port->fcs, event);
3160 }
3161 }
3162
3163 static void
3164 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3165 enum vport_ns_event event)
3166 {
3167 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3168 bfa_trc(ns->port->fcs, event);
3169
3170 switch (event) {
3171 case NSSM_EVENT_TIMEOUT:
3172 /*
3173 * Retry Timer Expired. Re-send
3174 */
3175 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3176 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3177 break;
3178
3179 case NSSM_EVENT_PORT_OFFLINE:
3180 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3181 bfa_timer_stop(&ns->timer);
3182 break;
3183
3184 default:
3185 bfa_sm_fault(ns->port->fcs, event);
3186 }
3187 }
3188
3189 static void
3190 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3191 enum vport_ns_event event)
3192 {
3193 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3194 bfa_trc(ns->port->fcs, event);
3195
3196 switch (event) {
3197 case NSSM_EVENT_RSPNID_SENT:
3198 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
3199 break;
3200
3201 case NSSM_EVENT_PORT_OFFLINE:
3202 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3203 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3204 &ns->fcxp_wqe);
3205 break;
3206
3207 default:
3208 bfa_sm_fault(ns->port->fcs, event);
3209 }
3210 }
3211
3212 static void
3213 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3214 enum vport_ns_event event)
3215 {
3216 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3217 bfa_trc(ns->port->fcs, event);
3218
3219 switch (event) {
3220 case NSSM_EVENT_RSP_ERROR:
3221 /*
3222 * Start timer for a delayed retry
3223 */
3224 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
3225 ns->port->stats.ns_retries++;
3226 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3227 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3228 BFA_FCS_RETRY_TIMEOUT);
3229 break;
3230
3231 case NSSM_EVENT_RSP_OK:
3232 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3233 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3234 break;
3235
3236 case NSSM_EVENT_PORT_OFFLINE:
3237 bfa_fcxp_discard(ns->fcxp);
3238 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3239 break;
3240
3241 default:
3242 bfa_sm_fault(ns->port->fcs, event);
3243 }
3244 }
3245
3246 static void
3247 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3248 enum vport_ns_event event)
3249 {
3250 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3251 bfa_trc(ns->port->fcs, event);
3252
3253 switch (event) {
3254 case NSSM_EVENT_TIMEOUT:
3255 /*
3256 * Retry Timer Expired. Re-send
3257 */
3258 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3259 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3260 break;
3261
3262 case NSSM_EVENT_PORT_OFFLINE:
3263 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3264 bfa_timer_stop(&ns->timer);
3265 break;
3266
3267 default:
3268 bfa_sm_fault(ns->port->fcs, event);
3269 }
3270 }
3271
3272 static void
3273 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
3274 enum vport_ns_event event)
3275 {
3276 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3277 bfa_trc(ns->port->fcs, event);
3278
3279 switch (event) {
3280 case NSSM_EVENT_RFTID_SENT:
3281 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
3282 break;
3283
3284 case NSSM_EVENT_PORT_OFFLINE:
3285 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3286 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3287 &ns->fcxp_wqe);
3288 break;
3289
3290 default:
3291 bfa_sm_fault(ns->port->fcs, event);
3292 }
3293 }
3294
3295 static void
3296 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3297 enum vport_ns_event event)
3298 {
3299 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3300 bfa_trc(ns->port->fcs, event);
3301
3302 switch (event) {
3303 case NSSM_EVENT_RSP_OK:
3304 /* Now move to register FC4 Features */
3305 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
3306 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
3307 break;
3308
3309 case NSSM_EVENT_RSP_ERROR:
3310 /*
3311 * Start timer for a delayed retry
3312 */
3313 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
3314 ns->port->stats.ns_retries++;
3315 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3316 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3317 BFA_FCS_RETRY_TIMEOUT);
3318 break;
3319
3320 case NSSM_EVENT_PORT_OFFLINE:
3321 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3322 bfa_fcxp_discard(ns->fcxp);
3323 break;
3324
3325 default:
3326 bfa_sm_fault(ns->port->fcs, event);
3327 }
3328 }
3329
3330 static void
3331 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3332 enum vport_ns_event event)
3333 {
3334 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3335 bfa_trc(ns->port->fcs, event);
3336
3337 switch (event) {
3338 case NSSM_EVENT_TIMEOUT:
3339 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3340 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3341 break;
3342
3343 case NSSM_EVENT_PORT_OFFLINE:
3344 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3345 bfa_timer_stop(&ns->timer);
3346 break;
3347
3348 default:
3349 bfa_sm_fault(ns->port->fcs, event);
3350 }
3351 }
3352
3353 static void
3354 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
3355 enum vport_ns_event event)
3356 {
3357 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3358 bfa_trc(ns->port->fcs, event);
3359
3360 switch (event) {
3361 case NSSM_EVENT_RFFID_SENT:
3362 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
3363 break;
3364
3365 case NSSM_EVENT_PORT_OFFLINE:
3366 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3367 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3368 &ns->fcxp_wqe);
3369 break;
3370
3371 default:
3372 bfa_sm_fault(ns->port->fcs, event);
3373 }
3374 }
3375
3376 static void
3377 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3378 enum vport_ns_event event)
3379 {
3380 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3381 bfa_trc(ns->port->fcs, event);
3382
3383 switch (event) {
3384 case NSSM_EVENT_RSP_OK:
3385
3386 /*
3387 * If min cfg mode is enabled, we donot initiate rport
3388 * discovery with the fabric. Instead, we will retrieve the
3389 * boot targets from HAL/FW.
3390 */
3391 if (__fcs_min_cfg(ns->port->fcs)) {
3392 bfa_fcs_lport_ns_boot_target_disc(ns->port);
3393 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
3394 return;
3395 }
3396
3397 /*
3398 * If the port role is Initiator Mode issue NS query.
3399 * If it is Target Mode, skip this and go to online.
3400 */
3401 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
3402 bfa_sm_set_state(ns,
3403 bfa_fcs_lport_ns_sm_sending_gid_ft);
3404 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3405 }
3406 /*
3407 * kick off mgmt srvr state machine
3408 */
3409 bfa_fcs_lport_ms_online(ns->port);
3410 break;
3411
3412 case NSSM_EVENT_RSP_ERROR:
3413 /*
3414 * Start timer for a delayed retry
3415 */
3416 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
3417 ns->port->stats.ns_retries++;
3418 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3419 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3420 BFA_FCS_RETRY_TIMEOUT);
3421 break;
3422
3423 case NSSM_EVENT_PORT_OFFLINE:
3424 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3425 bfa_fcxp_discard(ns->fcxp);
3426 break;
3427
3428 default:
3429 bfa_sm_fault(ns->port->fcs, event);
3430 }
3431 }
3432
3433 static void
3434 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3435 enum vport_ns_event event)
3436 {
3437 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3438 bfa_trc(ns->port->fcs, event);
3439
3440 switch (event) {
3441 case NSSM_EVENT_TIMEOUT:
3442 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
3443 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
3444 break;
3445
3446 case NSSM_EVENT_PORT_OFFLINE:
3447 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3448 bfa_timer_stop(&ns->timer);
3449 break;
3450
3451 default:
3452 bfa_sm_fault(ns->port->fcs, event);
3453 }
3454 }
3455 static void
3456 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3457 enum vport_ns_event event)
3458 {
3459 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3460 bfa_trc(ns->port->fcs, event);
3461
3462 switch (event) {
3463 case NSSM_EVENT_GIDFT_SENT:
3464 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
3465 break;
3466
3467 case NSSM_EVENT_PORT_OFFLINE:
3468 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3469 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3470 &ns->fcxp_wqe);
3471 break;
3472
3473 default:
3474 bfa_sm_fault(ns->port->fcs, event);
3475 }
3476 }
3477
3478 static void
3479 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3480 enum vport_ns_event event)
3481 {
3482 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3483 bfa_trc(ns->port->fcs, event);
3484
3485 switch (event) {
3486 case NSSM_EVENT_RSP_OK:
3487 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
3488 break;
3489
3490 case NSSM_EVENT_RSP_ERROR:
3491 /*
3492 * TBD: for certain reject codes, we don't need to retry
3493 */
3494 /*
3495 * Start timer for a delayed retry
3496 */
3497 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
3498 ns->port->stats.ns_retries++;
3499 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3500 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3501 BFA_FCS_RETRY_TIMEOUT);
3502 break;
3503
3504 case NSSM_EVENT_PORT_OFFLINE:
3505 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3506 bfa_fcxp_discard(ns->fcxp);
3507 break;
3508
3509 case NSSM_EVENT_NS_QUERY:
3510 break;
3511
3512 default:
3513 bfa_sm_fault(ns->port->fcs, event);
3514 }
3515 }
3516
3517 static void
3518 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3519 enum vport_ns_event event)
3520 {
3521 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3522 bfa_trc(ns->port->fcs, event);
3523
3524 switch (event) {
3525 case NSSM_EVENT_TIMEOUT:
3526 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
3527 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3528 break;
3529
3530 case NSSM_EVENT_PORT_OFFLINE:
3531 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3532 bfa_timer_stop(&ns->timer);
3533 break;
3534
3535 default:
3536 bfa_sm_fault(ns->port->fcs, event);
3537 }
3538 }
3539
3540 static void
3541 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3542 enum vport_ns_event event)
3543 {
3544 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3545 bfa_trc(ns->port->fcs, event);
3546
3547 switch (event) {
3548 case NSSM_EVENT_PORT_OFFLINE:
3549 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3550 break;
3551
3552 case NSSM_EVENT_NS_QUERY:
3553 /*
3554 * If the port role is Initiator Mode issue NS query.
3555 * If it is Target Mode, skip this and go to online.
3556 */
3557 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
3558 bfa_sm_set_state(ns,
3559 bfa_fcs_lport_ns_sm_sending_gid_ft);
3560 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3561 };
3562 break;
3563
3564 default:
3565 bfa_sm_fault(ns->port->fcs, event);
3566 }
3567 }
3568
3569
3570
3571 /*
3572 * ns_pvt Nameserver local functions
3573 */
3574
3575 static void
3576 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3577 {
3578 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3579 struct bfa_fcs_lport_s *port = ns->port;
3580 struct fchs_s fchs;
3581 int len;
3582 struct bfa_fcxp_s *fcxp;
3583
3584 bfa_trc(port->fcs, port->pid);
3585
3586 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3587 if (!fcxp) {
3588 port->stats.ns_plogi_alloc_wait++;
3589 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3590 bfa_fcs_lport_ns_send_plogi, ns);
3591 return;
3592 }
3593 ns->fcxp = fcxp;
3594
3595 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3596 bfa_os_hton3b(FC_NAME_SERVER),
3597 bfa_fcs_lport_get_fcid(port), 0,
3598 port->port_cfg.pwwn, port->port_cfg.nwwn,
3599 bfa_fcport_get_maxfrsize(port->fcs->bfa));
3600
3601 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3602 FC_CLASS_3, len, &fchs,
3603 bfa_fcs_lport_ns_plogi_response, (void *)ns,
3604 FC_MAX_PDUSZ, FC_ELS_TOV);
3605 port->stats.ns_plogi_sent++;
3606
3607 bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
3608 }
3609
3610 static void
3611 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3612 void *cbarg, bfa_status_t req_status, u32 rsp_len,
3613 u32 resid_len, struct fchs_s *rsp_fchs)
3614 {
3615 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3616 struct bfa_fcs_lport_s *port = ns->port;
3617 /* struct fc_logi_s *plogi_resp; */
3618 struct fc_els_cmd_s *els_cmd;
3619 struct fc_ls_rjt_s *ls_rjt;
3620
3621 bfa_trc(port->fcs, req_status);
3622 bfa_trc(port->fcs, port->port_cfg.pwwn);
3623
3624 /*
3625 * Sanity Checks
3626 */
3627 if (req_status != BFA_STATUS_OK) {
3628 bfa_trc(port->fcs, req_status);
3629 port->stats.ns_plogi_rsp_err++;
3630 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3631 return;
3632 }
3633
3634 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3635
3636 switch (els_cmd->els_code) {
3637
3638 case FC_ELS_ACC:
3639 if (rsp_len < sizeof(struct fc_logi_s)) {
3640 bfa_trc(port->fcs, rsp_len);
3641 port->stats.ns_plogi_acc_err++;
3642 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3643 break;
3644 }
3645 port->stats.ns_plogi_accepts++;
3646 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3647 break;
3648
3649 case FC_ELS_LS_RJT:
3650 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3651
3652 bfa_trc(port->fcs, ls_rjt->reason_code);
3653 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3654
3655 port->stats.ns_rejects++;
3656
3657 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3658 break;
3659
3660 default:
3661 port->stats.ns_plogi_unknown_rsp++;
3662 bfa_trc(port->fcs, els_cmd->els_code);
3663 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3664 }
3665 }
3666
3667 /*
3668 * Register the symbolic port name.
3669 */
3670 static void
3671 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3672 {
3673 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3674 struct bfa_fcs_lport_s *port = ns->port;
3675 struct fchs_s fchs;
3676 int len;
3677 struct bfa_fcxp_s *fcxp;
3678 u8 symbl[256];
3679 u8 *psymbl = &symbl[0];
3680
3681 memset(symbl, 0, sizeof(symbl));
3682
3683 bfa_trc(port->fcs, port->port_cfg.pwwn);
3684
3685 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3686 if (!fcxp) {
3687 port->stats.ns_rspnid_alloc_wait++;
3688 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3689 bfa_fcs_lport_ns_send_rspn_id, ns);
3690 return;
3691 }
3692 ns->fcxp = fcxp;
3693
3694 /*
3695 * for V-Port, form a Port Symbolic Name
3696 */
3697 if (port->vport) {
3698 /*
3699 * For Vports, we append the vport's port symbolic name
3700 * to that of the base port.
3701 */
3702
3703 strncpy((char *)psymbl,
3704 (char *) &
3705 (bfa_fcs_lport_get_psym_name
3706 (bfa_fcs_get_base_port(port->fcs))),
3707 strlen((char *) &
3708 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
3709 (port->fcs))));
3710
3711 /* Ensure we have a null terminating string. */
3712 ((char *)psymbl)[strlen((char *) &
3713 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
3714 (port->fcs)))] = 0;
3715 strncat((char *)psymbl,
3716 (char *) &(bfa_fcs_lport_get_psym_name(port)),
3717 strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
3718 } else {
3719 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
3720 }
3721
3722 len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3723 bfa_fcs_lport_get_fcid(port), 0, psymbl);
3724
3725 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3726 FC_CLASS_3, len, &fchs,
3727 bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
3728 FC_MAX_PDUSZ, FC_FCCT_TOV);
3729
3730 port->stats.ns_rspnid_sent++;
3731
3732 bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
3733 }
3734
3735 static void
3736 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3737 void *cbarg, bfa_status_t req_status,
3738 u32 rsp_len, u32 resid_len,
3739 struct fchs_s *rsp_fchs)
3740 {
3741 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3742 struct bfa_fcs_lport_s *port = ns->port;
3743 struct ct_hdr_s *cthdr = NULL;
3744
3745 bfa_trc(port->fcs, port->port_cfg.pwwn);
3746
3747 /*
3748 * Sanity Checks
3749 */
3750 if (req_status != BFA_STATUS_OK) {
3751 bfa_trc(port->fcs, req_status);
3752 port->stats.ns_rspnid_rsp_err++;
3753 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3754 return;
3755 }
3756
3757 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3758 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3759
3760 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3761 port->stats.ns_rspnid_accepts++;
3762 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3763 return;
3764 }
3765
3766 port->stats.ns_rspnid_rejects++;
3767 bfa_trc(port->fcs, cthdr->reason_code);
3768 bfa_trc(port->fcs, cthdr->exp_code);
3769 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3770 }
3771
3772 /*
3773 * Register FC4-Types
3774 */
3775 static void
3776 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3777 {
3778 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3779 struct bfa_fcs_lport_s *port = ns->port;
3780 struct fchs_s fchs;
3781 int len;
3782 struct bfa_fcxp_s *fcxp;
3783
3784 bfa_trc(port->fcs, port->port_cfg.pwwn);
3785
3786 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3787 if (!fcxp) {
3788 port->stats.ns_rftid_alloc_wait++;
3789 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3790 bfa_fcs_lport_ns_send_rft_id, ns);
3791 return;
3792 }
3793 ns->fcxp = fcxp;
3794
3795 len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3796 bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
3797
3798 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3799 FC_CLASS_3, len, &fchs,
3800 bfa_fcs_lport_ns_rft_id_response, (void *)ns,
3801 FC_MAX_PDUSZ, FC_FCCT_TOV);
3802
3803 port->stats.ns_rftid_sent++;
3804 bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
3805 }
3806
3807 static void
3808 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3809 void *cbarg, bfa_status_t req_status,
3810 u32 rsp_len, u32 resid_len,
3811 struct fchs_s *rsp_fchs)
3812 {
3813 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3814 struct bfa_fcs_lport_s *port = ns->port;
3815 struct ct_hdr_s *cthdr = NULL;
3816
3817 bfa_trc(port->fcs, port->port_cfg.pwwn);
3818
3819 /*
3820 * Sanity Checks
3821 */
3822 if (req_status != BFA_STATUS_OK) {
3823 bfa_trc(port->fcs, req_status);
3824 port->stats.ns_rftid_rsp_err++;
3825 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3826 return;
3827 }
3828
3829 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3830 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3831
3832 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3833 port->stats.ns_rftid_accepts++;
3834 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3835 return;
3836 }
3837
3838 port->stats.ns_rftid_rejects++;
3839 bfa_trc(port->fcs, cthdr->reason_code);
3840 bfa_trc(port->fcs, cthdr->exp_code);
3841 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3842 }
3843
3844 /*
3845 * Register FC4-Features : Should be done after RFT_ID
3846 */
3847 static void
3848 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3849 {
3850 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3851 struct bfa_fcs_lport_s *port = ns->port;
3852 struct fchs_s fchs;
3853 int len;
3854 struct bfa_fcxp_s *fcxp;
3855 u8 fc4_ftrs = 0;
3856
3857 bfa_trc(port->fcs, port->port_cfg.pwwn);
3858
3859 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3860 if (!fcxp) {
3861 port->stats.ns_rffid_alloc_wait++;
3862 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3863 bfa_fcs_lport_ns_send_rff_id, ns);
3864 return;
3865 }
3866 ns->fcxp = fcxp;
3867
3868 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
3869 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
3870
3871 len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3872 bfa_fcs_lport_get_fcid(port), 0,
3873 FC_TYPE_FCP, fc4_ftrs);
3874
3875 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3876 FC_CLASS_3, len, &fchs,
3877 bfa_fcs_lport_ns_rff_id_response, (void *)ns,
3878 FC_MAX_PDUSZ, FC_FCCT_TOV);
3879
3880 port->stats.ns_rffid_sent++;
3881 bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
3882 }
3883
3884 static void
3885 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3886 void *cbarg, bfa_status_t req_status,
3887 u32 rsp_len, u32 resid_len,
3888 struct fchs_s *rsp_fchs)
3889 {
3890 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3891 struct bfa_fcs_lport_s *port = ns->port;
3892 struct ct_hdr_s *cthdr = NULL;
3893
3894 bfa_trc(port->fcs, port->port_cfg.pwwn);
3895
3896 /*
3897 * Sanity Checks
3898 */
3899 if (req_status != BFA_STATUS_OK) {
3900 bfa_trc(port->fcs, req_status);
3901 port->stats.ns_rffid_rsp_err++;
3902 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3903 return;
3904 }
3905
3906 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3907 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3908
3909 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3910 port->stats.ns_rffid_accepts++;
3911 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3912 return;
3913 }
3914
3915 port->stats.ns_rffid_rejects++;
3916 bfa_trc(port->fcs, cthdr->reason_code);
3917 bfa_trc(port->fcs, cthdr->exp_code);
3918
3919 if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
3920 /* if this command is not supported, we don't retry */
3921 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3922 } else
3923 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3924 }
3925 /*
3926 * Query Fabric for FC4-Types Devices.
3927 *
3928 * TBD : Need to use a local (FCS private) response buffer, since the response
3929 * can be larger than 2K.
3930 */
3931 static void
3932 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3933 {
3934 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3935 struct bfa_fcs_lport_s *port = ns->port;
3936 struct fchs_s fchs;
3937 int len;
3938 struct bfa_fcxp_s *fcxp;
3939
3940 bfa_trc(port->fcs, port->pid);
3941
3942 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3943 if (!fcxp) {
3944 port->stats.ns_gidft_alloc_wait++;
3945 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3946 bfa_fcs_lport_ns_send_gid_ft, ns);
3947 return;
3948 }
3949 ns->fcxp = fcxp;
3950
3951 /*
3952 * This query is only initiated for FCP initiator mode.
3953 */
3954 len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3955 ns->port->pid, FC_TYPE_FCP);
3956
3957 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3958 FC_CLASS_3, len, &fchs,
3959 bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
3960 bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
3961
3962 port->stats.ns_gidft_sent++;
3963
3964 bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
3965 }
3966
3967 static void
3968 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3969 void *cbarg, bfa_status_t req_status,
3970 u32 rsp_len, u32 resid_len,
3971 struct fchs_s *rsp_fchs)
3972 {
3973 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3974 struct bfa_fcs_lport_s *port = ns->port;
3975 struct ct_hdr_s *cthdr = NULL;
3976 u32 n_pids;
3977
3978 bfa_trc(port->fcs, port->port_cfg.pwwn);
3979
3980 /*
3981 * Sanity Checks
3982 */
3983 if (req_status != BFA_STATUS_OK) {
3984 bfa_trc(port->fcs, req_status);
3985 port->stats.ns_gidft_rsp_err++;
3986 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3987 return;
3988 }
3989
3990 if (resid_len != 0) {
3991 /*
3992 * TBD : we will need to allocate a larger buffer & retry the
3993 * command
3994 */
3995 bfa_trc(port->fcs, rsp_len);
3996 bfa_trc(port->fcs, resid_len);
3997 return;
3998 }
3999
4000 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4001 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4002
4003 switch (cthdr->cmd_rsp_code) {
4004
4005 case CT_RSP_ACCEPT:
4006
4007 port->stats.ns_gidft_accepts++;
4008 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4009 bfa_trc(port->fcs, n_pids);
4010 bfa_fcs_lport_ns_process_gidft_pids(port,
4011 (u32 *) (cthdr + 1),
4012 n_pids);
4013 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4014 break;
4015
4016 case CT_RSP_REJECT:
4017
4018 /*
4019 * Check the reason code & explanation.
4020 * There may not have been any FC4 devices in the fabric
4021 */
4022 port->stats.ns_gidft_rejects++;
4023 bfa_trc(port->fcs, cthdr->reason_code);
4024 bfa_trc(port->fcs, cthdr->exp_code);
4025
4026 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4027 && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4028
4029 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4030 } else {
4031 /*
4032 * for all other errors, retry
4033 */
4034 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4035 }
4036 break;
4037
4038 default:
4039 port->stats.ns_gidft_unknown_rsp++;
4040 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
4041 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4042 }
4043 }
4044
4045 /*
4046 * This routine will be called by bfa_timer on timer timeouts.
4047 *
4048 * param[in] port - pointer to bfa_fcs_lport_t.
4049 *
4050 * return
4051 * void
4052 *
4053 * Special Considerations:
4054 *
4055 * note
4056 */
4057 static void
4058 bfa_fcs_lport_ns_timeout(void *arg)
4059 {
4060 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
4061
4062 ns->port->stats.ns_timeouts++;
4063 bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
4064 }
4065
4066 /*
4067 * Process the PID list in GID_FT response
4068 */
4069 static void
4070 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
4071 u32 n_pids)
4072 {
4073 struct fcgs_gidft_resp_s *gidft_entry;
4074 struct bfa_fcs_rport_s *rport;
4075 u32 ii;
4076
4077 for (ii = 0; ii < n_pids; ii++) {
4078 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
4079
4080 if (gidft_entry->pid == port->pid)
4081 continue;
4082
4083 /*
4084 * Check if this rport already exists
4085 */
4086 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
4087 if (rport == NULL) {
4088 /*
4089 * this is a new device. create rport
4090 */
4091 rport = bfa_fcs_rport_create(port, gidft_entry->pid);
4092 } else {
4093 /*
4094 * this rport already exists
4095 */
4096 bfa_fcs_rport_scn(rport);
4097 }
4098
4099 bfa_trc(port->fcs, gidft_entry->pid);
4100
4101 /*
4102 * if the last entry bit is set, bail out.
4103 */
4104 if (gidft_entry->last)
4105 return;
4106 }
4107 }
4108
4109 /*
4110 * fcs_ns_public FCS nameserver public interfaces
4111 */
4112
4113 /*
4114 * Functions called by port/fab.
4115 * These will send relevant Events to the ns state machine.
4116 */
4117 void
4118 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
4119 {
4120 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4121
4122 ns->port = port;
4123 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4124 }
4125
4126 void
4127 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
4128 {
4129 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4130
4131 ns->port = port;
4132 bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
4133 }
4134
4135 void
4136 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
4137 {
4138 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4139
4140 ns->port = port;
4141 bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
4142 }
4143
4144 void
4145 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
4146 {
4147 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4148
4149 bfa_trc(port->fcs, port->pid);
4150 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
4151 }
4152
4153 void
4154 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
4155 {
4156
4157 struct bfa_fcs_rport_s *rport;
4158 u8 nwwns;
4159 wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
4160 int ii;
4161
4162 bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
4163
4164 for (ii = 0 ; ii < nwwns; ++ii) {
4165 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
4166 bfa_assert(rport);
4167 }
4168 }
4169
4170 /*
4171 * FCS SCN
4172 */
4173
4174 #define FC_QOS_RSCN_EVENT 0x0c
4175 #define FC_FABRIC_NAME_RSCN_EVENT 0x0d
4176
4177 /*
4178 * forward declarations
4179 */
4180 static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
4181 struct bfa_fcxp_s *fcxp_alloced);
4182 static void bfa_fcs_lport_scn_scr_response(void *fcsarg,
4183 struct bfa_fcxp_s *fcxp,
4184 void *cbarg,
4185 bfa_status_t req_status,
4186 u32 rsp_len,
4187 u32 resid_len,
4188 struct fchs_s *rsp_fchs);
4189 static void bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
4190 struct fchs_s *rx_fchs);
4191 static void bfa_fcs_lport_scn_timeout(void *arg);
4192
4193 /*
4194 * fcs_scm_sm FCS SCN state machine
4195 */
4196
4197 /*
4198 * VPort SCN State Machine events
4199 */
4200 enum port_scn_event {
4201 SCNSM_EVENT_PORT_ONLINE = 1,
4202 SCNSM_EVENT_PORT_OFFLINE = 2,
4203 SCNSM_EVENT_RSP_OK = 3,
4204 SCNSM_EVENT_RSP_ERROR = 4,
4205 SCNSM_EVENT_TIMEOUT = 5,
4206 SCNSM_EVENT_SCR_SENT = 6,
4207 };
4208
4209 static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
4210 enum port_scn_event event);
4211 static void bfa_fcs_lport_scn_sm_sending_scr(
4212 struct bfa_fcs_lport_scn_s *scn,
4213 enum port_scn_event event);
4214 static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
4215 enum port_scn_event event);
4216 static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
4217 enum port_scn_event event);
4218 static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
4219 enum port_scn_event event);
4220
4221 /*
4222 * Starting state - awaiting link up.
4223 */
4224 static void
4225 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
4226 enum port_scn_event event)
4227 {
4228 switch (event) {
4229 case SCNSM_EVENT_PORT_ONLINE:
4230 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
4231 bfa_fcs_lport_scn_send_scr(scn, NULL);
4232 break;
4233
4234 case SCNSM_EVENT_PORT_OFFLINE:
4235 break;
4236
4237 default:
4238 bfa_sm_fault(scn->port->fcs, event);
4239 }
4240 }
4241
4242 static void
4243 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
4244 enum port_scn_event event)
4245 {
4246 switch (event) {
4247 case SCNSM_EVENT_SCR_SENT:
4248 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
4249 break;
4250
4251 case SCNSM_EVENT_PORT_OFFLINE:
4252 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4253 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
4254 break;
4255
4256 default:
4257 bfa_sm_fault(scn->port->fcs, event);
4258 }
4259 }
4260
4261 static void
4262 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
4263 enum port_scn_event event)
4264 {
4265 struct bfa_fcs_lport_s *port = scn->port;
4266
4267 switch (event) {
4268 case SCNSM_EVENT_RSP_OK:
4269 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
4270 break;
4271
4272 case SCNSM_EVENT_RSP_ERROR:
4273 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
4274 bfa_timer_start(port->fcs->bfa, &scn->timer,
4275 bfa_fcs_lport_scn_timeout, scn,
4276 BFA_FCS_RETRY_TIMEOUT);
4277 break;
4278
4279 case SCNSM_EVENT_PORT_OFFLINE:
4280 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4281 bfa_fcxp_discard(scn->fcxp);
4282 break;
4283
4284 default:
4285 bfa_sm_fault(port->fcs, event);
4286 }
4287 }
4288
4289 static void
4290 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
4291 enum port_scn_event event)
4292 {
4293 switch (event) {
4294 case SCNSM_EVENT_TIMEOUT:
4295 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
4296 bfa_fcs_lport_scn_send_scr(scn, NULL);
4297 break;
4298
4299 case SCNSM_EVENT_PORT_OFFLINE:
4300 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4301 bfa_timer_stop(&scn->timer);
4302 break;
4303
4304 default:
4305 bfa_sm_fault(scn->port->fcs, event);
4306 }
4307 }
4308
4309 static void
4310 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
4311 enum port_scn_event event)
4312 {
4313 switch (event) {
4314 case SCNSM_EVENT_PORT_OFFLINE:
4315 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4316 break;
4317
4318 default:
4319 bfa_sm_fault(scn->port->fcs, event);
4320 }
4321 }
4322
4323
4324
4325 /*
4326 * fcs_scn_private FCS SCN private functions
4327 */
4328
4329 /*
4330 * This routine will be called to send a SCR command.
4331 */
4332 static void
4333 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4334 {
4335 struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
4336 struct bfa_fcs_lport_s *port = scn->port;
4337 struct fchs_s fchs;
4338 int len;
4339 struct bfa_fcxp_s *fcxp;
4340
4341 bfa_trc(port->fcs, port->pid);
4342 bfa_trc(port->fcs, port->port_cfg.pwwn);
4343
4344 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
4345 if (!fcxp) {
4346 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
4347 bfa_fcs_lport_scn_send_scr, scn);
4348 return;
4349 }
4350 scn->fcxp = fcxp;
4351
4352 /* Handle VU registrations for Base port only */
4353 if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
4354 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4355 bfa_lps_is_brcd_fabric(port->fabric->lps),
4356 port->pid, 0);
4357 } else {
4358 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4359 BFA_FALSE,
4360 port->pid, 0);
4361 }
4362
4363 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4364 FC_CLASS_3, len, &fchs,
4365 bfa_fcs_lport_scn_scr_response,
4366 (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
4367
4368 bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
4369 }
4370
4371 static void
4372 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4373 void *cbarg, bfa_status_t req_status, u32 rsp_len,
4374 u32 resid_len, struct fchs_s *rsp_fchs)
4375 {
4376 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
4377 struct bfa_fcs_lport_s *port = scn->port;
4378 struct fc_els_cmd_s *els_cmd;
4379 struct fc_ls_rjt_s *ls_rjt;
4380
4381 bfa_trc(port->fcs, port->port_cfg.pwwn);
4382
4383 /*
4384 * Sanity Checks
4385 */
4386 if (req_status != BFA_STATUS_OK) {
4387 bfa_trc(port->fcs, req_status);
4388 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
4389 return;
4390 }
4391
4392 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4393
4394 switch (els_cmd->els_code) {
4395
4396 case FC_ELS_ACC:
4397 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
4398 break;
4399
4400 case FC_ELS_LS_RJT:
4401
4402 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4403
4404 bfa_trc(port->fcs, ls_rjt->reason_code);
4405 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4406
4407 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
4408 break;
4409
4410 default:
4411 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
4412 }
4413 }
4414
4415 /*
4416 * Send a LS Accept
4417 */
4418 static void
4419 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
4420 struct fchs_s *rx_fchs)
4421 {
4422 struct fchs_s fchs;
4423 struct bfa_fcxp_s *fcxp;
4424 struct bfa_rport_s *bfa_rport = NULL;
4425 int len;
4426
4427 bfa_trc(port->fcs, rx_fchs->s_id);
4428
4429 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
4430 if (!fcxp)
4431 return;
4432
4433 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4434 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
4435 rx_fchs->ox_id);
4436
4437 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
4438 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
4439 FC_MAX_PDUSZ, 0);
4440 }
4441
4442 /*
4443 * This routine will be called by bfa_timer on timer timeouts.
4444 *
4445 * param[in] vport - pointer to bfa_fcs_lport_t.
4446 * param[out] vport_status - pointer to return vport status in
4447 *
4448 * return
4449 * void
4450 *
4451 * Special Considerations:
4452 *
4453 * note
4454 */
4455 static void
4456 bfa_fcs_lport_scn_timeout(void *arg)
4457 {
4458 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
4459
4460 bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
4461 }
4462
4463
4464
4465 /*
4466 * fcs_scn_public FCS state change notification public interfaces
4467 */
4468
4469 /*
4470 * Functions called by port/fab
4471 */
4472 void
4473 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
4474 {
4475 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
4476
4477 scn->port = port;
4478 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4479 }
4480
4481 void
4482 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
4483 {
4484 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
4485
4486 scn->port = port;
4487 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
4488 }
4489
4490 void
4491 bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *port)
4492 {
4493 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
4494
4495 scn->port = port;
4496 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
4497 }
4498
4499 static void
4500 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
4501 {
4502 struct bfa_fcs_rport_s *rport;
4503
4504 bfa_trc(port->fcs, rpid);
4505
4506 /*
4507 * If this is an unknown device, then it just came online.
4508 * Otherwise let rport handle the RSCN event.
4509 */
4510 rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
4511 if (rport == NULL) {
4512 /*
4513 * If min cfg mode is enabled, we donot need to
4514 * discover any new rports.
4515 */
4516 if (!__fcs_min_cfg(port->fcs))
4517 rport = bfa_fcs_rport_create(port, rpid);
4518 } else
4519 bfa_fcs_rport_scn(rport);
4520 }
4521
4522 /*
4523 * rscn format based PID comparison
4524 */
4525 #define __fc_pid_match(__c0, __c1, __fmt) \
4526 (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \
4527 (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \
4528 ((__c0)[0] == (__c1)[0])) || \
4529 (((__fmt) == FC_RSCN_FORMAT_AREA) && \
4530 ((__c0)[0] == (__c1)[0]) && \
4531 ((__c0)[1] == (__c1)[1])))
4532
4533 static void
4534 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
4535 enum fc_rscn_format format,
4536 u32 rscn_pid)
4537 {
4538 struct bfa_fcs_rport_s *rport;
4539 struct list_head *qe, *qe_next;
4540 u8 *c0, *c1;
4541
4542 bfa_trc(port->fcs, format);
4543 bfa_trc(port->fcs, rscn_pid);
4544
4545 c0 = (u8 *) &rscn_pid;
4546
4547 list_for_each_safe(qe, qe_next, &port->rport_q) {
4548 rport = (struct bfa_fcs_rport_s *) qe;
4549 c1 = (u8 *) &rport->pid;
4550 if (__fc_pid_match(c0, c1, format))
4551 bfa_fcs_rport_scn(rport);
4552 }
4553 }
4554
4555
4556 void
4557 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
4558 struct fchs_s *fchs, u32 len)
4559 {
4560 struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
4561 int num_entries;
4562 u32 rscn_pid;
4563 bfa_boolean_t nsquery = BFA_FALSE, found;
4564 int i = 0, j;
4565
4566 num_entries =
4567 (be16_to_cpu(rscn->payldlen) -
4568 sizeof(u32)) / sizeof(rscn->event[0]);
4569
4570 bfa_trc(port->fcs, num_entries);
4571
4572 port->stats.num_rscn++;
4573
4574 bfa_fcs_lport_scn_send_ls_acc(port, fchs);
4575
4576 for (i = 0; i < num_entries; i++) {
4577 rscn_pid = rscn->event[i].portid;
4578
4579 bfa_trc(port->fcs, rscn->event[i].format);
4580 bfa_trc(port->fcs, rscn_pid);
4581
4582 /* check for duplicate entries in the list */
4583 found = BFA_FALSE;
4584 for (j = 0; j < i; j++) {
4585 if (rscn->event[j].portid == rscn_pid) {
4586 found = BFA_TRUE;
4587 break;
4588 }
4589 }
4590
4591 /* if found in down the list, pid has been already processed */
4592 if (found) {
4593 bfa_trc(port->fcs, rscn_pid);
4594 continue;
4595 }
4596
4597 switch (rscn->event[i].format) {
4598 case FC_RSCN_FORMAT_PORTID:
4599 if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
4600 /*
4601 * Ignore this event.
4602 * f/w would have processed it
4603 */
4604 bfa_trc(port->fcs, rscn_pid);
4605 } else {
4606 port->stats.num_portid_rscn++;
4607 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
4608 }
4609 break;
4610
4611 case FC_RSCN_FORMAT_FABRIC:
4612 if (rscn->event[i].qualifier ==
4613 FC_FABRIC_NAME_RSCN_EVENT) {
4614 bfa_fcs_lport_ms_fabric_rscn(port);
4615 break;
4616 }
4617 /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
4618
4619 case FC_RSCN_FORMAT_AREA:
4620 case FC_RSCN_FORMAT_DOMAIN:
4621 nsquery = BFA_TRUE;
4622 bfa_fcs_lport_scn_multiport_rscn(port,
4623 rscn->event[i].format,
4624 rscn_pid);
4625 break;
4626
4627
4628 default:
4629 bfa_assert(0);
4630 nsquery = BFA_TRUE;
4631 }
4632 }
4633
4634 /*
4635 * If any of area, domain or fabric RSCN is received, do a fresh
4636 * discovery to find new devices.
4637 */
4638 if (nsquery)
4639 bfa_fcs_lport_ns_query(port);
4640 }
4641
4642 /*
4643 * BFA FCS port
4644 */
4645 /*
4646 * fcs_port_api BFA FCS port API
4647 */
4648 struct bfa_fcs_lport_s *
4649 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
4650 {
4651 return &fcs->fabric.bport;
4652 }
4653
4654 wwn_t
4655 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
4656 int nrports, bfa_boolean_t bwwn)
4657 {
4658 struct list_head *qh, *qe;
4659 struct bfa_fcs_rport_s *rport = NULL;
4660 int i;
4661 struct bfa_fcs_s *fcs;
4662
4663 if (port == NULL || nrports == 0)
4664 return (wwn_t) 0;
4665
4666 fcs = port->fcs;
4667 bfa_trc(fcs, (u32) nrports);
4668
4669 i = 0;
4670 qh = &port->rport_q;
4671 qe = bfa_q_first(qh);
4672
4673 while ((qe != qh) && (i < nrports)) {
4674 rport = (struct bfa_fcs_rport_s *) qe;
4675 if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) {
4676 qe = bfa_q_next(qe);
4677 bfa_trc(fcs, (u32) rport->pwwn);
4678 bfa_trc(fcs, rport->pid);
4679 bfa_trc(fcs, i);
4680 continue;
4681 }
4682
4683 if (bwwn) {
4684 if (!memcmp(&wwn, &rport->pwwn, 8))
4685 break;
4686 } else {
4687 if (i == index)
4688 break;
4689 }
4690
4691 i++;
4692 qe = bfa_q_next(qe);
4693 }
4694
4695 bfa_trc(fcs, i);
4696 if (rport)
4697 return rport->pwwn;
4698 else
4699 return (wwn_t) 0;
4700 }
4701
4702 void
4703 bfa_fcs_lport_get_rports(struct bfa_fcs_lport_s *port,
4704 wwn_t rport_wwns[], int *nrports)
4705 {
4706 struct list_head *qh, *qe;
4707 struct bfa_fcs_rport_s *rport = NULL;
4708 int i;
4709 struct bfa_fcs_s *fcs;
4710
4711 if (port == NULL || rport_wwns == NULL || *nrports == 0)
4712 return;
4713
4714 fcs = port->fcs;
4715 bfa_trc(fcs, (u32) *nrports);
4716
4717 i = 0;
4718 qh = &port->rport_q;
4719 qe = bfa_q_first(qh);
4720
4721 while ((qe != qh) && (i < *nrports)) {
4722 rport = (struct bfa_fcs_rport_s *) qe;
4723 if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) {
4724 qe = bfa_q_next(qe);
4725 bfa_trc(fcs, (u32) rport->pwwn);
4726 bfa_trc(fcs, rport->pid);
4727 bfa_trc(fcs, i);
4728 continue;
4729 }
4730
4731 rport_wwns[i] = rport->pwwn;
4732
4733 i++;
4734 qe = bfa_q_next(qe);
4735 }
4736
4737 bfa_trc(fcs, i);
4738 *nrports = i;
4739 }
4740
4741 /*
4742 * Iterate's through all the rport's in the given port to
4743 * determine the maximum operating speed.
4744 *
4745 * !!!! To be used in TRL Functionality only !!!!
4746 */
4747 bfa_port_speed_t
4748 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
4749 {
4750 struct list_head *qh, *qe;
4751 struct bfa_fcs_rport_s *rport = NULL;
4752 struct bfa_fcs_s *fcs;
4753 bfa_port_speed_t max_speed = 0;
4754 struct bfa_port_attr_s port_attr;
4755 bfa_port_speed_t port_speed, rport_speed;
4756 bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
4757
4758
4759 if (port == NULL)
4760 return 0;
4761
4762 fcs = port->fcs;
4763
4764 /* Get Physical port's current speed */
4765 bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
4766 port_speed = port_attr.speed;
4767 bfa_trc(fcs, port_speed);
4768
4769 qh = &port->rport_q;
4770 qe = bfa_q_first(qh);
4771
4772 while (qe != qh) {
4773 rport = (struct bfa_fcs_rport_s *) qe;
4774 if ((bfa_os_ntoh3b(rport->pid) > 0xFFF000) ||
4775 (bfa_fcs_rport_get_state(rport) ==
4776 BFA_RPORT_OFFLINE)) {
4777 qe = bfa_q_next(qe);
4778 continue;
4779 }
4780
4781 rport_speed = rport->rpf.rpsc_speed;
4782 if ((trl_enabled) && (rport_speed ==
4783 BFA_PORT_SPEED_UNKNOWN)) {
4784 /* Use default ratelim speed setting */
4785 rport_speed =
4786 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
4787 }
4788
4789 if ((rport_speed == BFA_PORT_SPEED_8GBPS) ||
4790 (rport_speed > port_speed)) {
4791 max_speed = rport_speed;
4792 break;
4793 } else if (rport_speed > max_speed) {
4794 max_speed = rport_speed;
4795 }
4796
4797 qe = bfa_q_next(qe);
4798 }
4799
4800 bfa_trc(fcs, max_speed);
4801 return max_speed;
4802 }
4803
4804 struct bfa_fcs_lport_s *
4805 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
4806 {
4807 struct bfa_fcs_vport_s *vport;
4808 bfa_fcs_vf_t *vf;
4809
4810 bfa_assert(fcs != NULL);
4811
4812 vf = bfa_fcs_vf_lookup(fcs, vf_id);
4813 if (vf == NULL) {
4814 bfa_trc(fcs, vf_id);
4815 return NULL;
4816 }
4817
4818 if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
4819 return &vf->bport;
4820
4821 vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
4822 if (vport)
4823 return &vport->lport;
4824
4825 return NULL;
4826 }
4827
4828 /*
4829 * API corresponding to NPIV_VPORT_GETINFO.
4830 */
4831 void
4832 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
4833 struct bfa_lport_info_s *port_info)
4834 {
4835
4836 bfa_trc(port->fcs, port->fabric->fabric_name);
4837
4838 if (port->vport == NULL) {
4839 /*
4840 * This is a Physical port
4841 */
4842 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
4843
4844 /*
4845 * @todo : need to fix the state & reason
4846 */
4847 port_info->port_state = 0;
4848 port_info->offline_reason = 0;
4849
4850 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
4851 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
4852
4853 port_info->max_vports_supp =
4854 bfa_lps_get_max_vport(port->fcs->bfa);
4855 port_info->num_vports_inuse =
4856 bfa_fcs_fabric_vport_count(port->fabric);
4857 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
4858 port_info->num_rports_inuse = port->num_rports;
4859 } else {
4860 /*
4861 * This is a virtual port
4862 */
4863 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
4864
4865 /*
4866 * @todo : need to fix the state & reason
4867 */
4868 port_info->port_state = 0;
4869 port_info->offline_reason = 0;
4870
4871 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
4872 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
4873 }
4874 }
4875
4876 void
4877 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
4878 struct bfa_lport_stats_s *port_stats)
4879 {
4880 *port_stats = fcs_port->stats;
4881 }
4882
4883 void
4884 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
4885 {
4886 memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
4887 }
4888
4889 /*
4890 * FCS virtual port state machine
4891 */
4892
4893 #define __vport_fcs(__vp) ((__vp)->lport.fcs)
4894 #define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
4895 #define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
4896 #define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
4897 #define __vport_fcid(__vp) ((__vp)->lport.pid)
4898 #define __vport_fabric(__vp) ((__vp)->lport.fabric)
4899 #define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
4900
4901 #define BFA_FCS_VPORT_MAX_RETRIES 5
4902 /*
4903 * Forward declarations
4904 */
4905 static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
4906 static void bfa_fcs_vport_timeout(void *vport_arg);
4907 static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
4908 static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
4909
4910 /*
4911 * fcs_vport_sm FCS virtual port state machine
4912 */
4913
4914 /*
4915 * VPort State Machine events
4916 */
4917 enum bfa_fcs_vport_event {
4918 BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
4919 BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
4920 BFA_FCS_VPORT_SM_START = 3, /* vport start request */
4921 BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
4922 BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
4923 BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
4924 BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
4925 BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
4926 BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
4927 BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
4928 BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
4929 BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/
4930 BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
4931 };
4932
4933 static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
4934 enum bfa_fcs_vport_event event);
4935 static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
4936 enum bfa_fcs_vport_event event);
4937 static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
4938 enum bfa_fcs_vport_event event);
4939 static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
4940 enum bfa_fcs_vport_event event);
4941 static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
4942 enum bfa_fcs_vport_event event);
4943 static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
4944 enum bfa_fcs_vport_event event);
4945 static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
4946 enum bfa_fcs_vport_event event);
4947 static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
4948 enum bfa_fcs_vport_event event);
4949 static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
4950 enum bfa_fcs_vport_event event);
4951 static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
4952 enum bfa_fcs_vport_event event);
4953
4954 static struct bfa_sm_table_s vport_sm_table[] = {
4955 {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
4956 {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
4957 {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
4958 {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
4959 {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
4960 {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
4961 {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
4962 {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
4963 {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
4964 {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
4965 };
4966
4967 /*
4968 * Beginning state.
4969 */
4970 static void
4971 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
4972 enum bfa_fcs_vport_event event)
4973 {
4974 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
4975 bfa_trc(__vport_fcs(vport), event);
4976
4977 switch (event) {
4978 case BFA_FCS_VPORT_SM_CREATE:
4979 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
4980 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
4981 break;
4982
4983 default:
4984 bfa_sm_fault(__vport_fcs(vport), event);
4985 }
4986 }
4987
4988 /*
4989 * Created state - a start event is required to start up the state machine.
4990 */
4991 static void
4992 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
4993 enum bfa_fcs_vport_event event)
4994 {
4995 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
4996 bfa_trc(__vport_fcs(vport), event);
4997
4998 switch (event) {
4999 case BFA_FCS_VPORT_SM_START:
5000 if (bfa_fcs_fabric_is_online(__vport_fabric(vport))
5001 && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
5002 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5003 bfa_fcs_vport_do_fdisc(vport);
5004 } else {
5005 /*
5006 * Fabric is offline or not NPIV capable, stay in
5007 * offline state.
5008 */
5009 vport->vport_stats.fab_no_npiv++;
5010 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5011 }
5012 break;
5013
5014 case BFA_FCS_VPORT_SM_DELETE:
5015 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5016 bfa_fcs_lport_delete(&vport->lport);
5017 break;
5018
5019 case BFA_FCS_VPORT_SM_ONLINE:
5020 case BFA_FCS_VPORT_SM_OFFLINE:
5021 /*
5022 * Ignore ONLINE/OFFLINE events from fabric
5023 * till vport is started.
5024 */
5025 break;
5026
5027 default:
5028 bfa_sm_fault(__vport_fcs(vport), event);
5029 }
5030 }
5031
5032 /*
5033 * Offline state - awaiting ONLINE event from fabric SM.
5034 */
5035 static void
5036 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5037 enum bfa_fcs_vport_event event)
5038 {
5039 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5040 bfa_trc(__vport_fcs(vport), event);
5041
5042 switch (event) {
5043 case BFA_FCS_VPORT_SM_DELETE:
5044 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5045 bfa_fcs_lport_delete(&vport->lport);
5046 break;
5047
5048 case BFA_FCS_VPORT_SM_ONLINE:
5049 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5050 vport->fdisc_retries = 0;
5051 bfa_fcs_vport_do_fdisc(vport);
5052 break;
5053
5054 case BFA_FCS_VPORT_SM_OFFLINE:
5055 /*
5056 * This can happen if the vport couldn't be initialzied
5057 * due the fact that the npiv was not enabled on the switch.
5058 * In that case we will put the vport in offline state.
5059 * However, the link can go down and cause the this event to
5060 * be sent when we are already offline. Ignore it.
5061 */
5062 break;
5063
5064 default:
5065 bfa_sm_fault(__vport_fcs(vport), event);
5066 }
5067 }
5068
5069
5070 /*
5071 * FDISC is sent and awaiting reply from fabric.
5072 */
5073 static void
5074 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
5075 enum bfa_fcs_vport_event event)
5076 {
5077 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5078 bfa_trc(__vport_fcs(vport), event);
5079
5080 switch (event) {
5081 case BFA_FCS_VPORT_SM_DELETE:
5082 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5083 bfa_lps_discard(vport->lps);
5084 bfa_fcs_lport_delete(&vport->lport);
5085 break;
5086
5087 case BFA_FCS_VPORT_SM_OFFLINE:
5088 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5089 bfa_lps_discard(vport->lps);
5090 break;
5091
5092 case BFA_FCS_VPORT_SM_RSP_OK:
5093 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
5094 bfa_fcs_lport_online(&vport->lport);
5095 break;
5096
5097 case BFA_FCS_VPORT_SM_RSP_ERROR:
5098 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
5099 bfa_timer_start(__vport_bfa(vport), &vport->timer,
5100 bfa_fcs_vport_timeout, vport,
5101 BFA_FCS_RETRY_TIMEOUT);
5102 break;
5103
5104 case BFA_FCS_VPORT_SM_RSP_FAILED:
5105 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5106 break;
5107
5108 case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
5109 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
5110 break;
5111
5112 default:
5113 bfa_sm_fault(__vport_fcs(vport), event);
5114 }
5115 }
5116
5117 /*
5118 * FDISC attempt failed - a timer is active to retry FDISC.
5119 */
5120 static void
5121 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
5122 enum bfa_fcs_vport_event event)
5123 {
5124 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5125 bfa_trc(__vport_fcs(vport), event);
5126
5127 switch (event) {
5128 case BFA_FCS_VPORT_SM_DELETE:
5129 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5130 bfa_timer_stop(&vport->timer);
5131 bfa_fcs_lport_delete(&vport->lport);
5132 break;
5133
5134 case BFA_FCS_VPORT_SM_OFFLINE:
5135 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5136 bfa_timer_stop(&vport->timer);
5137 break;
5138
5139 case BFA_FCS_VPORT_SM_TIMEOUT:
5140 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5141 vport->vport_stats.fdisc_retries++;
5142 vport->fdisc_retries++;
5143 bfa_fcs_vport_do_fdisc(vport);
5144 break;
5145
5146 default:
5147 bfa_sm_fault(__vport_fcs(vport), event);
5148 }
5149 }
5150
5151 /*
5152 * Vport is online (FDISC is complete).
5153 */
5154 static void
5155 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
5156 enum bfa_fcs_vport_event event)
5157 {
5158 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5159 bfa_trc(__vport_fcs(vport), event);
5160
5161 switch (event) {
5162 case BFA_FCS_VPORT_SM_DELETE:
5163 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
5164 bfa_fcs_lport_delete(&vport->lport);
5165 break;
5166
5167 case BFA_FCS_VPORT_SM_OFFLINE:
5168 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5169 bfa_lps_discard(vport->lps);
5170 bfa_fcs_lport_offline(&vport->lport);
5171 break;
5172
5173 default:
5174 bfa_sm_fault(__vport_fcs(vport), event);
5175 }
5176 }
5177
5178 /*
5179 * Vport is being deleted - awaiting lport delete completion to send
5180 * LOGO to fabric.
5181 */
5182 static void
5183 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
5184 enum bfa_fcs_vport_event event)
5185 {
5186 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5187 bfa_trc(__vport_fcs(vport), event);
5188
5189 switch (event) {
5190 case BFA_FCS_VPORT_SM_DELETE:
5191 break;
5192
5193 case BFA_FCS_VPORT_SM_DELCOMP:
5194 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
5195 bfa_fcs_vport_do_logo(vport);
5196 break;
5197
5198 case BFA_FCS_VPORT_SM_OFFLINE:
5199 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5200 break;
5201
5202 default:
5203 bfa_sm_fault(__vport_fcs(vport), event);
5204 }
5205 }
5206
5207 /*
5208 * Error State.
5209 * This state will be set when the Vport Creation fails due
5210 * to errors like Dup WWN. In this state only operation allowed
5211 * is a Vport Delete.
5212 */
5213 static void
5214 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
5215 enum bfa_fcs_vport_event event)
5216 {
5217 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5218 bfa_trc(__vport_fcs(vport), event);
5219
5220 switch (event) {
5221 case BFA_FCS_VPORT_SM_DELETE:
5222 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5223 bfa_fcs_lport_delete(&vport->lport);
5224 break;
5225
5226 default:
5227 bfa_trc(__vport_fcs(vport), event);
5228 }
5229 }
5230
5231 /*
5232 * Lport cleanup is in progress since vport is being deleted. Fabric is
5233 * offline, so no LOGO is needed to complete vport deletion.
5234 */
5235 static void
5236 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
5237 enum bfa_fcs_vport_event event)
5238 {
5239 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5240 bfa_trc(__vport_fcs(vport), event);
5241
5242 switch (event) {
5243 case BFA_FCS_VPORT_SM_DELCOMP:
5244 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
5245 bfa_fcs_vport_free(vport);
5246 break;
5247
5248 case BFA_FCS_VPORT_SM_DELETE:
5249 break;
5250
5251 default:
5252 bfa_sm_fault(__vport_fcs(vport), event);
5253 }
5254 }
5255
5256 /*
5257 * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
5258 * is done.
5259 */
5260 static void
5261 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
5262 enum bfa_fcs_vport_event event)
5263 {
5264 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5265 bfa_trc(__vport_fcs(vport), event);
5266
5267 switch (event) {
5268 case BFA_FCS_VPORT_SM_OFFLINE:
5269 bfa_lps_discard(vport->lps);
5270 /*
5271 * !!! fall through !!!
5272 */
5273
5274 case BFA_FCS_VPORT_SM_RSP_OK:
5275 case BFA_FCS_VPORT_SM_RSP_ERROR:
5276 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
5277 bfa_fcs_vport_free(vport);
5278 break;
5279
5280 case BFA_FCS_VPORT_SM_DELETE:
5281 break;
5282
5283 default:
5284 bfa_sm_fault(__vport_fcs(vport), event);
5285 }
5286 }
5287
5288
5289
5290 /*
5291 * fcs_vport_private FCS virtual port private functions
5292 */
5293 /*
5294 * This routine will be called to send a FDISC command.
5295 */
5296 static void
5297 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
5298 {
5299 bfa_lps_fdisc(vport->lps, vport,
5300 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
5301 __vport_pwwn(vport), __vport_nwwn(vport));
5302 vport->vport_stats.fdisc_sent++;
5303 }
5304
5305 static void
5306 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
5307 {
5308 u8 lsrjt_rsn = bfa_lps_get_lsrjt_rsn(vport->lps);
5309 u8 lsrjt_expl = bfa_lps_get_lsrjt_expl(vport->lps);
5310
5311 bfa_trc(__vport_fcs(vport), lsrjt_rsn);
5312 bfa_trc(__vport_fcs(vport), lsrjt_expl);
5313
5314 /* For certain reason codes, we don't want to retry. */
5315 switch (bfa_lps_get_lsrjt_expl(vport->lps)) {
5316 case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
5317 case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
5318 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
5319 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5320 else
5321 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
5322 break;
5323
5324 case FC_LS_RJT_EXP_INSUFF_RES:
5325 /*
5326 * This means max logins per port/switch setting on the
5327 * switch was exceeded.
5328 */
5329 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
5330 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5331 else
5332 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
5333 break;
5334
5335 default:
5336 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5337 }
5338 }
5339
5340 /*
5341 * Called to send a logout to the fabric. Used when a V-Port is
5342 * deleted/stopped.
5343 */
5344 static void
5345 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
5346 {
5347 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5348
5349 vport->vport_stats.logo_sent++;
5350 bfa_lps_fdisclogo(vport->lps);
5351 }
5352
5353
5354 /*
5355 * This routine will be called by bfa_timer on timer timeouts.
5356 *
5357 * param[in] vport - pointer to bfa_fcs_vport_t.
5358 * param[out] vport_status - pointer to return vport status in
5359 *
5360 * return
5361 * void
5362 *
5363 * Special Considerations:
5364 *
5365 * note
5366 */
5367 static void
5368 bfa_fcs_vport_timeout(void *vport_arg)
5369 {
5370 struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
5371
5372 vport->vport_stats.fdisc_timeouts++;
5373 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
5374 }
5375
5376 static void
5377 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
5378 {
5379 struct bfad_vport_s *vport_drv =
5380 (struct bfad_vport_s *)vport->vport_drv;
5381
5382 bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
5383
5384 if (vport_drv->comp_del)
5385 complete(vport_drv->comp_del);
5386
5387 bfa_lps_delete(vport->lps);
5388 }
5389
5390
5391
5392 /*
5393 * fcs_vport_public FCS virtual port public interfaces
5394 */
5395
5396 /*
5397 * Online notification from fabric SM.
5398 */
5399 void
5400 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
5401 {
5402 vport->vport_stats.fab_online++;
5403 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
5404 }
5405
5406 /*
5407 * Offline notification from fabric SM.
5408 */
5409 void
5410 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
5411 {
5412 vport->vport_stats.fab_offline++;
5413 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
5414 }
5415
5416 /*
5417 * Cleanup notification from fabric SM on link timer expiry.
5418 */
5419 void
5420 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
5421 {
5422 vport->vport_stats.fab_cleanup++;
5423 }
5424 /*
5425 * delete notification from fabric SM. To be invoked from within FCS.
5426 */
5427 void
5428 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
5429 {
5430 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
5431 }
5432
5433 /*
5434 * Delete completion callback from associated lport
5435 */
5436 void
5437 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
5438 {
5439 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
5440 }
5441
5442
5443
5444 /*
5445 * fcs_vport_api Virtual port API
5446 */
5447
5448 /*
5449 * Use this function to instantiate a new FCS vport object. This
5450 * function will not trigger any HW initialization process (which will be
5451 * done in vport_start() call)
5452 *
5453 * param[in] vport - pointer to bfa_fcs_vport_t. This space
5454 * needs to be allocated by the driver.
5455 * param[in] fcs - FCS instance
5456 * param[in] vport_cfg - vport configuration
5457 * param[in] vf_id - VF_ID if vport is created within a VF.
5458 * FC_VF_ID_NULL to specify base fabric.
5459 * param[in] vport_drv - Opaque handle back to the driver's vport
5460 * structure
5461 *
5462 * retval BFA_STATUS_OK - on success.
5463 * retval BFA_STATUS_FAILED - on failure.
5464 */
5465 bfa_status_t
5466 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
5467 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
5468 struct bfad_vport_s *vport_drv)
5469 {
5470 if (vport_cfg->pwwn == 0)
5471 return BFA_STATUS_INVALID_WWN;
5472
5473 if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
5474 return BFA_STATUS_VPORT_WWN_BP;
5475
5476 if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
5477 return BFA_STATUS_VPORT_EXISTS;
5478
5479 if (bfa_fcs_fabric_vport_count(&fcs->fabric) ==
5480 bfa_lps_get_max_vport(fcs->bfa))
5481 return BFA_STATUS_VPORT_MAX;
5482
5483 vport->lps = bfa_lps_alloc(fcs->bfa);
5484 if (!vport->lps)
5485 return BFA_STATUS_VPORT_MAX;
5486
5487 vport->vport_drv = vport_drv;
5488 vport_cfg->preboot_vp = BFA_FALSE;
5489
5490 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
5491 bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
5492 bfa_fcs_lport_init(&vport->lport, vport_cfg);
5493 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
5494
5495 return BFA_STATUS_OK;
5496 }
5497
5498 /*
5499 * Use this function to instantiate a new FCS PBC vport object. This
5500 * function will not trigger any HW initialization process (which will be
5501 * done in vport_start() call)
5502 *
5503 * param[in] vport - pointer to bfa_fcs_vport_t. This space
5504 * needs to be allocated by the driver.
5505 * param[in] fcs - FCS instance
5506 * param[in] vport_cfg - vport configuration
5507 * param[in] vf_id - VF_ID if vport is created within a VF.
5508 * FC_VF_ID_NULL to specify base fabric.
5509 * param[in] vport_drv - Opaque handle back to the driver's vport
5510 * structure
5511 *
5512 * retval BFA_STATUS_OK - on success.
5513 * retval BFA_STATUS_FAILED - on failure.
5514 */
5515 bfa_status_t
5516 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
5517 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
5518 struct bfad_vport_s *vport_drv)
5519 {
5520 bfa_status_t rc;
5521
5522 rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
5523 vport->lport.port_cfg.preboot_vp = BFA_TRUE;
5524
5525 return rc;
5526 }
5527
5528 /*
5529 * Use this function to findout if this is a pbc vport or not.
5530 *
5531 * @param[in] vport - pointer to bfa_fcs_vport_t.
5532 *
5533 * @returns None
5534 */
5535 bfa_boolean_t
5536 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
5537 {
5538
5539 if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
5540 return BFA_TRUE;
5541 else
5542 return BFA_FALSE;
5543
5544 }
5545
5546 /*
5547 * Use this function initialize the vport.
5548 *
5549 * @param[in] vport - pointer to bfa_fcs_vport_t.
5550 *
5551 * @returns None
5552 */
5553 bfa_status_t
5554 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
5555 {
5556 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
5557
5558 return BFA_STATUS_OK;
5559 }
5560
5561 /*
5562 * Use this function quiese the vport object. This function will return
5563 * immediately, when the vport is actually stopped, the
5564 * bfa_drv_vport_stop_cb() will be called.
5565 *
5566 * param[in] vport - pointer to bfa_fcs_vport_t.
5567 *
5568 * return None
5569 */
5570 bfa_status_t
5571 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
5572 {
5573 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
5574
5575 return BFA_STATUS_OK;
5576 }
5577
5578 /*
5579 * Use this function to delete a vport object. Fabric object should
5580 * be stopped before this function call.
5581 *
5582 * !!!!!!! Donot invoke this from within FCS !!!!!!!
5583 *
5584 * param[in] vport - pointer to bfa_fcs_vport_t.
5585 *
5586 * return None
5587 */
5588 bfa_status_t
5589 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
5590 {
5591
5592 if (vport->lport.port_cfg.preboot_vp)
5593 return BFA_STATUS_PBC;
5594
5595 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
5596
5597 return BFA_STATUS_OK;
5598 }
5599
5600 /*
5601 * Use this function to get vport's current status info.
5602 *
5603 * param[in] vport pointer to bfa_fcs_vport_t.
5604 * param[out] attr pointer to return vport attributes
5605 *
5606 * return None
5607 */
5608 void
5609 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
5610 struct bfa_vport_attr_s *attr)
5611 {
5612 if (vport == NULL || attr == NULL)
5613 return;
5614
5615 memset(attr, 0, sizeof(struct bfa_vport_attr_s));
5616
5617 bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
5618 attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
5619 }
5620
5621 /*
5622 * Use this function to get vport's statistics.
5623 *
5624 * param[in] vport pointer to bfa_fcs_vport_t.
5625 * param[out] stats pointer to return vport statistics in
5626 *
5627 * return None
5628 */
5629 void
5630 bfa_fcs_vport_get_stats(struct bfa_fcs_vport_s *vport,
5631 struct bfa_vport_stats_s *stats)
5632 {
5633 *stats = vport->vport_stats;
5634 }
5635
5636 /*
5637 * Use this function to clear vport's statistics.
5638 *
5639 * param[in] vport pointer to bfa_fcs_vport_t.
5640 *
5641 * return None
5642 */
5643 void
5644 bfa_fcs_vport_clr_stats(struct bfa_fcs_vport_s *vport)
5645 {
5646 memset(&vport->vport_stats, 0, sizeof(struct bfa_vport_stats_s));
5647 }
5648
5649 /*
5650 * Lookup a virtual port. Excludes base port from lookup.
5651 */
5652 struct bfa_fcs_vport_s *
5653 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
5654 {
5655 struct bfa_fcs_vport_s *vport;
5656 struct bfa_fcs_fabric_s *fabric;
5657
5658 bfa_trc(fcs, vf_id);
5659 bfa_trc(fcs, vpwwn);
5660
5661 fabric = bfa_fcs_vf_lookup(fcs, vf_id);
5662 if (!fabric) {
5663 bfa_trc(fcs, vf_id);
5664 return NULL;
5665 }
5666
5667 vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
5668 return vport;
5669 }
5670
5671 /*
5672 * FDISC Response
5673 */
5674 void
5675 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
5676 {
5677 struct bfa_fcs_vport_s *vport = uarg;
5678
5679 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5680 bfa_trc(__vport_fcs(vport), status);
5681
5682 switch (status) {
5683 case BFA_STATUS_OK:
5684 /*
5685 * Initialize the V-Port fields
5686 */
5687 __vport_fcid(vport) = bfa_lps_get_pid(vport->lps);
5688 vport->vport_stats.fdisc_accepts++;
5689 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
5690 break;
5691
5692 case BFA_STATUS_INVALID_MAC:
5693 /* Only for CNA */
5694 vport->vport_stats.fdisc_acc_bad++;
5695 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5696
5697 break;
5698
5699 case BFA_STATUS_EPROTOCOL:
5700 switch (bfa_lps_get_extstatus(vport->lps)) {
5701 case BFA_EPROTO_BAD_ACCEPT:
5702 vport->vport_stats.fdisc_acc_bad++;
5703 break;
5704
5705 case BFA_EPROTO_UNKNOWN_RSP:
5706 vport->vport_stats.fdisc_unknown_rsp++;
5707 break;
5708
5709 default:
5710 break;
5711 }
5712
5713 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5714 break;
5715
5716 case BFA_STATUS_FABRIC_RJT:
5717 vport->vport_stats.fdisc_rejects++;
5718 bfa_fcs_vport_fdisc_rejected(vport);
5719 break;
5720
5721 default:
5722 vport->vport_stats.fdisc_rsp_err++;
5723 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5724 }
5725 }
5726
5727 /*
5728 * LOGO response
5729 */
5730 void
5731 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
5732 {
5733 struct bfa_fcs_vport_s *vport = uarg;
5734 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
5735 }
5736
5737 /*
5738 * Received clear virtual link
5739 */
5740 void
5741 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
5742 {
5743 struct bfa_fcs_vport_s *vport = uarg;
5744
5745 /* Send an Offline followed by an ONLINE */
5746 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
5747 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
5748 }
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