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[deliverable/linux.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 /**
19 * bfa_fcs_lport.c BFA FCS port
20 */
21
22 #include "bfa_fcs.h"
23 #include "bfa_fcbuild.h"
24 #include "bfa_fc.h"
25 #include "bfad_drv.h"
26
27 BFA_TRC_FILE(FCS, PORT);
28
29 /**
30 * Forward declarations
31 */
32
33 static void bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
34 struct fchs_s *rx_fchs, u8 reason_code,
35 u8 reason_code_expl);
36 static void bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
37 struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
38 static void bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
39 static void bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
40 static void bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
41 static void bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
42 static void bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
43 static void bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
44 static void bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
45 struct fchs_s *rx_fchs,
46 struct fc_echo_s *echo, u16 len);
47 static void bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
48 struct fchs_s *rx_fchs,
49 struct fc_rnid_cmd_s *rnid, u16 len);
50 static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
51 struct fc_rnid_general_topology_data_s *gen_topo_data);
52
53 static void bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
54 static void bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
55 static void bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
56
57 static void bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
58 static void bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
59 static void bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
60
61 static struct {
62 void (*init) (struct bfa_fcs_lport_s *port);
63 void (*online) (struct bfa_fcs_lport_s *port);
64 void (*offline) (struct bfa_fcs_lport_s *port);
65 } __port_action[] = {
66 {
67 bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
68 bfa_fcs_lport_unknown_offline}, {
69 bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
70 bfa_fcs_lport_fab_offline}, {
71 bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
72 bfa_fcs_lport_n2n_offline},
73 };
74
75 /**
76 * fcs_port_sm FCS logical port state machine
77 */
78
79 enum bfa_fcs_lport_event {
80 BFA_FCS_PORT_SM_CREATE = 1,
81 BFA_FCS_PORT_SM_ONLINE = 2,
82 BFA_FCS_PORT_SM_OFFLINE = 3,
83 BFA_FCS_PORT_SM_DELETE = 4,
84 BFA_FCS_PORT_SM_DELRPORT = 5,
85 };
86
87 static void bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
88 enum bfa_fcs_lport_event event);
89 static void bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
90 enum bfa_fcs_lport_event event);
91 static void bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
92 enum bfa_fcs_lport_event event);
93 static void bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
94 enum bfa_fcs_lport_event event);
95 static void bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
96 enum bfa_fcs_lport_event event);
97
98 static void
99 bfa_fcs_lport_sm_uninit(
100 struct bfa_fcs_lport_s *port,
101 enum bfa_fcs_lport_event event)
102 {
103 bfa_trc(port->fcs, port->port_cfg.pwwn);
104 bfa_trc(port->fcs, event);
105
106 switch (event) {
107 case BFA_FCS_PORT_SM_CREATE:
108 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
109 break;
110
111 default:
112 bfa_sm_fault(port->fcs, event);
113 }
114 }
115
116 static void
117 bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
118 enum bfa_fcs_lport_event event)
119 {
120 bfa_trc(port->fcs, port->port_cfg.pwwn);
121 bfa_trc(port->fcs, event);
122
123 switch (event) {
124 case BFA_FCS_PORT_SM_ONLINE:
125 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
126 bfa_fcs_lport_online_actions(port);
127 break;
128
129 case BFA_FCS_PORT_SM_DELETE:
130 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
131 bfa_fcs_lport_deleted(port);
132 break;
133
134 case BFA_FCS_PORT_SM_OFFLINE:
135 break;
136
137 default:
138 bfa_sm_fault(port->fcs, event);
139 }
140 }
141
142 static void
143 bfa_fcs_lport_sm_online(
144 struct bfa_fcs_lport_s *port,
145 enum bfa_fcs_lport_event event)
146 {
147 struct bfa_fcs_rport_s *rport;
148 struct list_head *qe, *qen;
149
150 bfa_trc(port->fcs, port->port_cfg.pwwn);
151 bfa_trc(port->fcs, event);
152
153 switch (event) {
154 case BFA_FCS_PORT_SM_OFFLINE:
155 bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
156 bfa_fcs_lport_offline_actions(port);
157 break;
158
159 case BFA_FCS_PORT_SM_DELETE:
160
161 __port_action[port->fabric->fab_type].offline(port);
162
163 if (port->num_rports == 0) {
164 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
165 bfa_fcs_lport_deleted(port);
166 } else {
167 bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
168 list_for_each_safe(qe, qen, &port->rport_q) {
169 rport = (struct bfa_fcs_rport_s *) qe;
170 bfa_fcs_rport_delete(rport);
171 }
172 }
173 break;
174
175 case BFA_FCS_PORT_SM_DELRPORT:
176 break;
177
178 default:
179 bfa_sm_fault(port->fcs, event);
180 }
181 }
182
183 static void
184 bfa_fcs_lport_sm_offline(
185 struct bfa_fcs_lport_s *port,
186 enum bfa_fcs_lport_event event)
187 {
188 struct bfa_fcs_rport_s *rport;
189 struct list_head *qe, *qen;
190
191 bfa_trc(port->fcs, port->port_cfg.pwwn);
192 bfa_trc(port->fcs, event);
193
194 switch (event) {
195 case BFA_FCS_PORT_SM_ONLINE:
196 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
197 bfa_fcs_lport_online_actions(port);
198 break;
199
200 case BFA_FCS_PORT_SM_DELETE:
201 if (port->num_rports == 0) {
202 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
203 bfa_fcs_lport_deleted(port);
204 } else {
205 bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
206 list_for_each_safe(qe, qen, &port->rport_q) {
207 rport = (struct bfa_fcs_rport_s *) qe;
208 bfa_fcs_rport_delete(rport);
209 }
210 }
211 break;
212
213 case BFA_FCS_PORT_SM_DELRPORT:
214 case BFA_FCS_PORT_SM_OFFLINE:
215 break;
216
217 default:
218 bfa_sm_fault(port->fcs, event);
219 }
220 }
221
222 static void
223 bfa_fcs_lport_sm_deleting(
224 struct bfa_fcs_lport_s *port,
225 enum bfa_fcs_lport_event event)
226 {
227 bfa_trc(port->fcs, port->port_cfg.pwwn);
228 bfa_trc(port->fcs, event);
229
230 switch (event) {
231 case BFA_FCS_PORT_SM_DELRPORT:
232 if (port->num_rports == 0) {
233 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
234 bfa_fcs_lport_deleted(port);
235 }
236 break;
237
238 default:
239 bfa_sm_fault(port->fcs, event);
240 }
241 }
242
243 /**
244 * fcs_port_pvt
245 */
246
247 /*
248 * Send a LS reject
249 */
250 static void
251 bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
252 u8 reason_code, u8 reason_code_expl)
253 {
254 struct fchs_s fchs;
255 struct bfa_fcxp_s *fcxp;
256 struct bfa_rport_s *bfa_rport = NULL;
257 int len;
258
259 bfa_trc(port->fcs, rx_fchs->d_id);
260 bfa_trc(port->fcs, rx_fchs->s_id);
261
262 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
263 if (!fcxp)
264 return;
265
266 len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
267 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
268 rx_fchs->ox_id, reason_code, reason_code_expl);
269
270 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
271 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
272 FC_MAX_PDUSZ, 0);
273 }
274
275 /**
276 * Process incoming plogi from a remote port.
277 */
278 static void
279 bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
280 struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
281 {
282 struct bfa_fcs_rport_s *rport;
283
284 bfa_trc(port->fcs, rx_fchs->d_id);
285 bfa_trc(port->fcs, rx_fchs->s_id);
286
287 /*
288 * If min cfg mode is enabled, drop any incoming PLOGIs
289 */
290 if (__fcs_min_cfg(port->fcs)) {
291 bfa_trc(port->fcs, rx_fchs->s_id);
292 return;
293 }
294
295 if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
296 bfa_trc(port->fcs, rx_fchs->s_id);
297 /*
298 * send a LS reject
299 */
300 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
301 FC_LS_RJT_RSN_PROTOCOL_ERROR,
302 FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
303 return;
304 }
305
306 /**
307 * Direct Attach P2P mode : verify address assigned by the r-port.
308 */
309 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
310 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
311 (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
312 if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
313 /* Address assigned to us cannot be a WKA */
314 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
315 FC_LS_RJT_RSN_PROTOCOL_ERROR,
316 FC_LS_RJT_EXP_INVALID_NPORT_ID);
317 return;
318 }
319 port->pid = rx_fchs->d_id;
320 }
321
322 /**
323 * First, check if we know the device by pwwn.
324 */
325 rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
326 if (rport) {
327 /**
328 * Direct Attach P2P mode : handle address assigned by r-port.
329 */
330 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
331 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
332 (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
333 port->pid = rx_fchs->d_id;
334 rport->pid = rx_fchs->s_id;
335 }
336 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
337 return;
338 }
339
340 /**
341 * Next, lookup rport by PID.
342 */
343 rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
344 if (!rport) {
345 /**
346 * Inbound PLOGI from a new device.
347 */
348 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
349 return;
350 }
351
352 /**
353 * Rport is known only by PID.
354 */
355 if (rport->pwwn) {
356 /**
357 * This is a different device with the same pid. Old device
358 * disappeared. Send implicit LOGO to old device.
359 */
360 bfa_assert(rport->pwwn != plogi->port_name);
361 bfa_fcs_rport_logo_imp(rport);
362
363 /**
364 * Inbound PLOGI from a new device (with old PID).
365 */
366 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
367 return;
368 }
369
370 /**
371 * PLOGI crossing each other.
372 */
373 bfa_assert(rport->pwwn == WWN_NULL);
374 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
375 }
376
377 /*
378 * Process incoming ECHO.
379 * Since it does not require a login, it is processed here.
380 */
381 static void
382 bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
383 struct fc_echo_s *echo, u16 rx_len)
384 {
385 struct fchs_s fchs;
386 struct bfa_fcxp_s *fcxp;
387 struct bfa_rport_s *bfa_rport = NULL;
388 int len, pyld_len;
389
390 bfa_trc(port->fcs, rx_fchs->s_id);
391 bfa_trc(port->fcs, rx_fchs->d_id);
392
393 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
394 if (!fcxp)
395 return;
396
397 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
398 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
399 rx_fchs->ox_id);
400
401 /*
402 * Copy the payload (if any) from the echo frame
403 */
404 pyld_len = rx_len - sizeof(struct fchs_s);
405 bfa_trc(port->fcs, rx_len);
406 bfa_trc(port->fcs, pyld_len);
407
408 if (pyld_len > len)
409 memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
410 sizeof(struct fc_echo_s), (echo + 1),
411 (pyld_len - sizeof(struct fc_echo_s)));
412
413 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
414 BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
415 FC_MAX_PDUSZ, 0);
416 }
417
418 /*
419 * Process incoming RNID.
420 * Since it does not require a login, it is processed here.
421 */
422 static void
423 bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
424 struct fc_rnid_cmd_s *rnid, u16 rx_len)
425 {
426 struct fc_rnid_common_id_data_s common_id_data;
427 struct fc_rnid_general_topology_data_s gen_topo_data;
428 struct fchs_s fchs;
429 struct bfa_fcxp_s *fcxp;
430 struct bfa_rport_s *bfa_rport = NULL;
431 u16 len;
432 u32 data_format;
433
434 bfa_trc(port->fcs, rx_fchs->s_id);
435 bfa_trc(port->fcs, rx_fchs->d_id);
436 bfa_trc(port->fcs, rx_len);
437
438 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
439 if (!fcxp)
440 return;
441
442 /*
443 * Check Node Indentification Data Format
444 * We only support General Topology Discovery Format.
445 * For any other requested Data Formats, we return Common Node Id Data
446 * only, as per FC-LS.
447 */
448 bfa_trc(port->fcs, rnid->node_id_data_format);
449 if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
450 data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
451 /*
452 * Get General topology data for this port
453 */
454 bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
455 } else {
456 data_format = RNID_NODEID_DATA_FORMAT_COMMON;
457 }
458
459 /*
460 * Copy the Node Id Info
461 */
462 common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
463 common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
464
465 len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
466 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
467 rx_fchs->ox_id, data_format, &common_id_data,
468 &gen_topo_data);
469
470 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
471 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
472 FC_MAX_PDUSZ, 0);
473 }
474
475 /*
476 * Fill out General Topolpgy Discovery Data for RNID ELS.
477 */
478 static void
479 bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
480 struct fc_rnid_general_topology_data_s *gen_topo_data)
481 {
482 bfa_os_memset(gen_topo_data, 0,
483 sizeof(struct fc_rnid_general_topology_data_s));
484
485 gen_topo_data->asso_type = bfa_os_htonl(RNID_ASSOCIATED_TYPE_HOST);
486 gen_topo_data->phy_port_num = 0; /* @todo */
487 gen_topo_data->num_attached_nodes = bfa_os_htonl(1);
488 }
489
490 static void
491 bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
492 {
493 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
494 char lpwwn_buf[BFA_STRING_32];
495
496 bfa_trc(port->fcs, port->fabric->oper_type);
497
498 __port_action[port->fabric->fab_type].init(port);
499 __port_action[port->fabric->fab_type].online(port);
500
501 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
502 BFA_LOG(KERN_INFO, bfad, log_level,
503 "Logical port online: WWN = %s Role = %s\n",
504 lpwwn_buf, "Initiator");
505
506 bfad->bfad_flags |= BFAD_PORT_ONLINE;
507 }
508
509 static void
510 bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
511 {
512 struct list_head *qe, *qen;
513 struct bfa_fcs_rport_s *rport;
514 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
515 char lpwwn_buf[BFA_STRING_32];
516
517 bfa_trc(port->fcs, port->fabric->oper_type);
518
519 __port_action[port->fabric->fab_type].offline(port);
520
521 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
522 if (bfa_fcs_fabric_is_online(port->fabric) == BFA_TRUE)
523 BFA_LOG(KERN_ERR, bfad, log_level,
524 "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
525 lpwwn_buf, "Initiator");
526 else
527 BFA_LOG(KERN_INFO, bfad, log_level,
528 "Logical port taken offline: WWN = %s Role = %s\n",
529 lpwwn_buf, "Initiator");
530
531 list_for_each_safe(qe, qen, &port->rport_q) {
532 rport = (struct bfa_fcs_rport_s *) qe;
533 bfa_fcs_rport_offline(rport);
534 }
535 }
536
537 static void
538 bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
539 {
540 bfa_assert(0);
541 }
542
543 static void
544 bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
545 {
546 bfa_assert(0);
547 }
548
549 static void
550 bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
551 {
552 bfa_assert(0);
553 }
554
555 static void
556 bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
557 {
558 struct fchs_s fchs;
559 struct bfa_fcxp_s *fcxp;
560 int len;
561
562 bfa_trc(port->fcs, rx_fchs->d_id);
563 bfa_trc(port->fcs, rx_fchs->s_id);
564
565 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
566 if (!fcxp)
567 return;
568
569 len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
570 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
571 rx_fchs->ox_id, 0);
572
573 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
574 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
575 FC_MAX_PDUSZ, 0);
576 }
577 static void
578 bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
579 {
580 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
581 char lpwwn_buf[BFA_STRING_32];
582
583 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
584 BFA_LOG(KERN_INFO, bfad, log_level,
585 "Logical port deleted: WWN = %s Role = %s\n",
586 lpwwn_buf, "Initiator");
587
588 /* Base port will be deleted by the OS driver */
589 if (port->vport) {
590 bfa_fcb_lport_delete(port->fcs->bfad, port->port_cfg.roles,
591 port->fabric->vf_drv,
592 port->vport ? port->vport->vport_drv : NULL);
593 bfa_fcs_vport_delete_comp(port->vport);
594 } else {
595 bfa_fcs_fabric_port_delete_comp(port->fabric);
596 }
597 }
598
599
600
601 /**
602 * fcs_lport_api BFA FCS port API
603 */
604 /**
605 * Module initialization
606 */
607 void
608 bfa_fcs_lport_modinit(struct bfa_fcs_s *fcs)
609 {
610
611 }
612
613 /**
614 * Module cleanup
615 */
616 void
617 bfa_fcs_lport_modexit(struct bfa_fcs_s *fcs)
618 {
619 bfa_fcs_modexit_comp(fcs);
620 }
621
622 /**
623 * Unsolicited frame receive handling.
624 */
625 void
626 bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
627 struct fchs_s *fchs, u16 len)
628 {
629 u32 pid = fchs->s_id;
630 struct bfa_fcs_rport_s *rport = NULL;
631 struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
632
633 bfa_stats(lport, uf_recvs);
634
635 if (!bfa_fcs_lport_is_online(lport)) {
636 bfa_stats(lport, uf_recv_drops);
637 return;
638 }
639
640 /**
641 * First, handle ELSs that donot require a login.
642 */
643 /*
644 * Handle PLOGI first
645 */
646 if ((fchs->type == FC_TYPE_ELS) &&
647 (els_cmd->els_code == FC_ELS_PLOGI)) {
648 bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
649 return;
650 }
651
652 /*
653 * Handle ECHO separately.
654 */
655 if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
656 bfa_fcs_lport_echo(lport, fchs,
657 (struct fc_echo_s *)els_cmd, len);
658 return;
659 }
660
661 /*
662 * Handle RNID separately.
663 */
664 if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
665 bfa_fcs_lport_rnid(lport, fchs,
666 (struct fc_rnid_cmd_s *) els_cmd, len);
667 return;
668 }
669
670 if (fchs->type == FC_TYPE_BLS) {
671 if ((fchs->routing == FC_RTG_BASIC_LINK) &&
672 (fchs->cat_info == FC_CAT_ABTS))
673 bfa_fcs_lport_abts_acc(lport, fchs);
674 return;
675 }
676 /**
677 * look for a matching remote port ID
678 */
679 rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
680 if (rport) {
681 bfa_trc(rport->fcs, fchs->s_id);
682 bfa_trc(rport->fcs, fchs->d_id);
683 bfa_trc(rport->fcs, fchs->type);
684
685 bfa_fcs_rport_uf_recv(rport, fchs, len);
686 return;
687 }
688
689 /**
690 * Only handles ELS frames for now.
691 */
692 if (fchs->type != FC_TYPE_ELS) {
693 bfa_trc(lport->fcs, fchs->type);
694 bfa_assert(0);
695 return;
696 }
697
698 bfa_trc(lport->fcs, els_cmd->els_code);
699 if (els_cmd->els_code == FC_ELS_RSCN) {
700 bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
701 return;
702 }
703
704 if (els_cmd->els_code == FC_ELS_LOGO) {
705 /**
706 * @todo Handle LOGO frames received.
707 */
708 return;
709 }
710
711 if (els_cmd->els_code == FC_ELS_PRLI) {
712 /**
713 * @todo Handle PRLI frames received.
714 */
715 return;
716 }
717
718 /**
719 * Unhandled ELS frames. Send a LS_RJT.
720 */
721 bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
722 FC_LS_RJT_EXP_NO_ADDL_INFO);
723
724 }
725
726 /**
727 * PID based Lookup for a R-Port in the Port R-Port Queue
728 */
729 struct bfa_fcs_rport_s *
730 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
731 {
732 struct bfa_fcs_rport_s *rport;
733 struct list_head *qe;
734
735 list_for_each(qe, &port->rport_q) {
736 rport = (struct bfa_fcs_rport_s *) qe;
737 if (rport->pid == pid)
738 return rport;
739 }
740
741 bfa_trc(port->fcs, pid);
742 return NULL;
743 }
744
745 /**
746 * PWWN based Lookup for a R-Port in the Port R-Port Queue
747 */
748 struct bfa_fcs_rport_s *
749 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
750 {
751 struct bfa_fcs_rport_s *rport;
752 struct list_head *qe;
753
754 list_for_each(qe, &port->rport_q) {
755 rport = (struct bfa_fcs_rport_s *) qe;
756 if (wwn_is_equal(rport->pwwn, pwwn))
757 return rport;
758 }
759
760 bfa_trc(port->fcs, pwwn);
761 return NULL;
762 }
763
764 /**
765 * NWWN based Lookup for a R-Port in the Port R-Port Queue
766 */
767 struct bfa_fcs_rport_s *
768 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
769 {
770 struct bfa_fcs_rport_s *rport;
771 struct list_head *qe;
772
773 list_for_each(qe, &port->rport_q) {
774 rport = (struct bfa_fcs_rport_s *) qe;
775 if (wwn_is_equal(rport->nwwn, nwwn))
776 return rport;
777 }
778
779 bfa_trc(port->fcs, nwwn);
780 return NULL;
781 }
782
783 /**
784 * Called by rport module when new rports are discovered.
785 */
786 void
787 bfa_fcs_lport_add_rport(
788 struct bfa_fcs_lport_s *port,
789 struct bfa_fcs_rport_s *rport)
790 {
791 list_add_tail(&rport->qe, &port->rport_q);
792 port->num_rports++;
793 }
794
795 /**
796 * Called by rport module to when rports are deleted.
797 */
798 void
799 bfa_fcs_lport_del_rport(
800 struct bfa_fcs_lport_s *port,
801 struct bfa_fcs_rport_s *rport)
802 {
803 bfa_assert(bfa_q_is_on_q(&port->rport_q, rport));
804 list_del(&rport->qe);
805 port->num_rports--;
806
807 bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
808 }
809
810 /**
811 * Called by fabric for base port when fabric login is complete.
812 * Called by vport for virtual ports when FDISC is complete.
813 */
814 void
815 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
816 {
817 bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
818 }
819
820 /**
821 * Called by fabric for base port when fabric goes offline.
822 * Called by vport for virtual ports when virtual port becomes offline.
823 */
824 void
825 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
826 {
827 bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
828 }
829
830 /**
831 * Called by fabric to delete base lport and associated resources.
832 *
833 * Called by vport to delete lport and associated resources. Should call
834 * bfa_fcs_vport_delete_comp() for vports on completion.
835 */
836 void
837 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
838 {
839 bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
840 }
841
842 /**
843 * Return TRUE if port is online, else return FALSE
844 */
845 bfa_boolean_t
846 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
847 {
848 return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
849 }
850
851 /**
852 * Attach time initialization of logical ports.
853 */
854 void
855 bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
856 u16 vf_id, struct bfa_fcs_vport_s *vport)
857 {
858 lport->fcs = fcs;
859 lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
860 lport->vport = vport;
861 lport->lp_tag = (vport) ? bfa_lps_get_tag(vport->lps) :
862 bfa_lps_get_tag(lport->fabric->lps);
863
864 INIT_LIST_HEAD(&lport->rport_q);
865 lport->num_rports = 0;
866 }
867
868 /**
869 * Logical port initialization of base or virtual port.
870 * Called by fabric for base port or by vport for virtual ports.
871 */
872
873 void
874 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
875 struct bfa_lport_cfg_s *port_cfg)
876 {
877 struct bfa_fcs_vport_s *vport = lport->vport;
878 struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
879 char lpwwn_buf[BFA_STRING_32];
880
881 bfa_os_assign(lport->port_cfg, *port_cfg);
882
883 lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
884 lport->port_cfg.roles,
885 lport->fabric->vf_drv,
886 vport ? vport->vport_drv : NULL);
887
888 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
889 BFA_LOG(KERN_INFO, bfad, log_level,
890 "New logical port created: WWN = %s Role = %s\n",
891 lpwwn_buf, "Initiator");
892
893 bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
894 bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
895 }
896
897 /**
898 * fcs_lport_api
899 */
900
901 void
902 bfa_fcs_lport_get_attr(
903 struct bfa_fcs_lport_s *port,
904 struct bfa_lport_attr_s *port_attr)
905 {
906 if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
907 port_attr->pid = port->pid;
908 else
909 port_attr->pid = 0;
910
911 port_attr->port_cfg = port->port_cfg;
912
913 if (port->fabric) {
914 port_attr->port_type = bfa_fcs_fabric_port_type(port->fabric);
915 port_attr->loopback = bfa_fcs_fabric_is_loopback(port->fabric);
916 port_attr->authfail =
917 bfa_fcs_fabric_is_auth_failed(port->fabric);
918 port_attr->fabric_name = bfa_fcs_lport_get_fabric_name(port);
919 memcpy(port_attr->fabric_ip_addr,
920 bfa_fcs_lport_get_fabric_ipaddr(port),
921 BFA_FCS_FABRIC_IPADDR_SZ);
922
923 if (port->vport != NULL) {
924 port_attr->port_type = BFA_PORT_TYPE_VPORT;
925 port_attr->fpma_mac =
926 bfa_lps_get_lp_mac(port->vport->lps);
927 } else {
928 port_attr->fpma_mac =
929 bfa_lps_get_lp_mac(port->fabric->lps);
930 }
931 } else {
932 port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
933 port_attr->state = BFA_LPORT_UNINIT;
934 }
935 }
936
937 /**
938 * bfa_fcs_lport_fab port fab functions
939 */
940
941 /**
942 * Called by port to initialize fabric services of the base port.
943 */
944 static void
945 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
946 {
947 bfa_fcs_lport_ns_init(port);
948 bfa_fcs_lport_scn_init(port);
949 bfa_fcs_lport_ms_init(port);
950 }
951
952 /**
953 * Called by port to notify transition to online state.
954 */
955 static void
956 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
957 {
958 bfa_fcs_lport_ns_online(port);
959 bfa_fcs_lport_scn_online(port);
960 }
961
962 /**
963 * Called by port to notify transition to offline state.
964 */
965 static void
966 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
967 {
968 bfa_fcs_lport_ns_offline(port);
969 bfa_fcs_lport_scn_offline(port);
970 bfa_fcs_lport_ms_offline(port);
971 }
972
973 /**
974 * bfa_fcs_lport_n2n functions
975 */
976
977 /**
978 * Called by fcs/port to initialize N2N topology.
979 */
980 static void
981 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
982 {
983 }
984
985 /**
986 * Called by fcs/port to notify transition to online state.
987 */
988 static void
989 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
990 {
991 struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
992 struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
993 struct bfa_fcs_rport_s *rport;
994
995 bfa_trc(port->fcs, pcfg->pwwn);
996
997 /*
998 * If our PWWN is > than that of the r-port, we have to initiate PLOGI
999 * and assign an Address. if not, we need to wait for its PLOGI.
1000 *
1001 * If our PWWN is < than that of the remote port, it will send a PLOGI
1002 * with the PIDs assigned. The rport state machine take care of this
1003 * incoming PLOGI.
1004 */
1005 if (memcmp
1006 ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
1007 sizeof(wwn_t)) > 0) {
1008 port->pid = N2N_LOCAL_PID;
1009 /**
1010 * First, check if we know the device by pwwn.
1011 */
1012 rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1013 n2n_port->rem_port_wwn);
1014 if (rport) {
1015 bfa_trc(port->fcs, rport->pid);
1016 bfa_trc(port->fcs, rport->pwwn);
1017 rport->pid = N2N_REMOTE_PID;
1018 bfa_fcs_rport_online(rport);
1019 return;
1020 }
1021
1022 /*
1023 * In n2n there can be only one rport. Delete the old one
1024 * whose pid should be zero, because it is offline.
1025 */
1026 if (port->num_rports > 0) {
1027 rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1028 bfa_assert(rport != NULL);
1029 if (rport) {
1030 bfa_trc(port->fcs, rport->pwwn);
1031 bfa_fcs_rport_delete(rport);
1032 }
1033 }
1034 bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1035 }
1036 }
1037
1038 /**
1039 * Called by fcs/port to notify transition to offline state.
1040 */
1041 static void
1042 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1043 {
1044 struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1045
1046 bfa_trc(port->fcs, port->pid);
1047 port->pid = 0;
1048 n2n_port->rem_port_wwn = 0;
1049 n2n_port->reply_oxid = 0;
1050 }
1051
1052 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1053
1054 /*
1055 * forward declarations
1056 */
1057 static void bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
1058 struct bfa_fcxp_s *fcxp_alloced);
1059 static void bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
1060 struct bfa_fcxp_s *fcxp_alloced);
1061 static void bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
1062 struct bfa_fcxp_s *fcxp_alloced);
1063 static void bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
1064 struct bfa_fcxp_s *fcxp,
1065 void *cbarg,
1066 bfa_status_t req_status,
1067 u32 rsp_len,
1068 u32 resid_len,
1069 struct fchs_s *rsp_fchs);
1070 static void bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1071 struct bfa_fcxp_s *fcxp,
1072 void *cbarg,
1073 bfa_status_t req_status,
1074 u32 rsp_len,
1075 u32 resid_len,
1076 struct fchs_s *rsp_fchs);
1077 static void bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1078 struct bfa_fcxp_s *fcxp,
1079 void *cbarg,
1080 bfa_status_t req_status,
1081 u32 rsp_len,
1082 u32 resid_len,
1083 struct fchs_s *rsp_fchs);
1084 static void bfa_fcs_lport_fdmi_timeout(void *arg);
1085 static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1086 u8 *pyld);
1087 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1088 u8 *pyld);
1089 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1090 u8 *pyld);
1091 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
1092 fdmi, u8 *pyld);
1093 static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1094 struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
1095 static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1096 struct bfa_fcs_fdmi_port_attr_s *port_attr);
1097 /**
1098 * fcs_fdmi_sm FCS FDMI state machine
1099 */
1100
1101 /**
1102 * FDMI State Machine events
1103 */
1104 enum port_fdmi_event {
1105 FDMISM_EVENT_PORT_ONLINE = 1,
1106 FDMISM_EVENT_PORT_OFFLINE = 2,
1107 FDMISM_EVENT_RSP_OK = 4,
1108 FDMISM_EVENT_RSP_ERROR = 5,
1109 FDMISM_EVENT_TIMEOUT = 6,
1110 FDMISM_EVENT_RHBA_SENT = 7,
1111 FDMISM_EVENT_RPRT_SENT = 8,
1112 FDMISM_EVENT_RPA_SENT = 9,
1113 };
1114
1115 static void bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1116 enum port_fdmi_event event);
1117 static void bfa_fcs_lport_fdmi_sm_sending_rhba(
1118 struct bfa_fcs_lport_fdmi_s *fdmi,
1119 enum port_fdmi_event event);
1120 static void bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1121 enum port_fdmi_event event);
1122 static void bfa_fcs_lport_fdmi_sm_rhba_retry(
1123 struct bfa_fcs_lport_fdmi_s *fdmi,
1124 enum port_fdmi_event event);
1125 static void bfa_fcs_lport_fdmi_sm_sending_rprt(
1126 struct bfa_fcs_lport_fdmi_s *fdmi,
1127 enum port_fdmi_event event);
1128 static void bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1129 enum port_fdmi_event event);
1130 static void bfa_fcs_lport_fdmi_sm_rprt_retry(
1131 struct bfa_fcs_lport_fdmi_s *fdmi,
1132 enum port_fdmi_event event);
1133 static void bfa_fcs_lport_fdmi_sm_sending_rpa(
1134 struct bfa_fcs_lport_fdmi_s *fdmi,
1135 enum port_fdmi_event event);
1136 static void bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1137 enum port_fdmi_event event);
1138 static void bfa_fcs_lport_fdmi_sm_rpa_retry(
1139 struct bfa_fcs_lport_fdmi_s *fdmi,
1140 enum port_fdmi_event event);
1141 static void bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1142 enum port_fdmi_event event);
1143 static void bfa_fcs_lport_fdmi_sm_disabled(
1144 struct bfa_fcs_lport_fdmi_s *fdmi,
1145 enum port_fdmi_event event);
1146 /**
1147 * Start in offline state - awaiting MS to send start.
1148 */
1149 static void
1150 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1151 enum port_fdmi_event event)
1152 {
1153 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1154
1155 bfa_trc(port->fcs, port->port_cfg.pwwn);
1156 bfa_trc(port->fcs, event);
1157
1158 fdmi->retry_cnt = 0;
1159
1160 switch (event) {
1161 case FDMISM_EVENT_PORT_ONLINE:
1162 if (port->vport) {
1163 /*
1164 * For Vports, register a new port.
1165 */
1166 bfa_sm_set_state(fdmi,
1167 bfa_fcs_lport_fdmi_sm_sending_rprt);
1168 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1169 } else {
1170 /*
1171 * For a base port, we should first register the HBA
1172 * atribute. The HBA attribute also contains the base
1173 * port registration.
1174 */
1175 bfa_sm_set_state(fdmi,
1176 bfa_fcs_lport_fdmi_sm_sending_rhba);
1177 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1178 }
1179 break;
1180
1181 case FDMISM_EVENT_PORT_OFFLINE:
1182 break;
1183
1184 default:
1185 bfa_sm_fault(port->fcs, event);
1186 }
1187 }
1188
1189 static void
1190 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1191 enum port_fdmi_event event)
1192 {
1193 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1194
1195 bfa_trc(port->fcs, port->port_cfg.pwwn);
1196 bfa_trc(port->fcs, event);
1197
1198 switch (event) {
1199 case FDMISM_EVENT_RHBA_SENT:
1200 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
1201 break;
1202
1203 case FDMISM_EVENT_PORT_OFFLINE:
1204 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1205 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1206 &fdmi->fcxp_wqe);
1207 break;
1208
1209 default:
1210 bfa_sm_fault(port->fcs, event);
1211 }
1212 }
1213
1214 static void
1215 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1216 enum port_fdmi_event event)
1217 {
1218 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1219
1220 bfa_trc(port->fcs, port->port_cfg.pwwn);
1221 bfa_trc(port->fcs, event);
1222
1223 switch (event) {
1224 case FDMISM_EVENT_RSP_ERROR:
1225 /*
1226 * if max retries have not been reached, start timer for a
1227 * delayed retry
1228 */
1229 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1230 bfa_sm_set_state(fdmi,
1231 bfa_fcs_lport_fdmi_sm_rhba_retry);
1232 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1233 &fdmi->timer,
1234 bfa_fcs_lport_fdmi_timeout, fdmi,
1235 BFA_FCS_RETRY_TIMEOUT);
1236 } else {
1237 /*
1238 * set state to offline
1239 */
1240 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1241 }
1242 break;
1243
1244 case FDMISM_EVENT_RSP_OK:
1245 /*
1246 * Initiate Register Port Attributes
1247 */
1248 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1249 fdmi->retry_cnt = 0;
1250 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1251 break;
1252
1253 case FDMISM_EVENT_PORT_OFFLINE:
1254 bfa_fcxp_discard(fdmi->fcxp);
1255 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1256 break;
1257
1258 default:
1259 bfa_sm_fault(port->fcs, event);
1260 }
1261 }
1262
1263 static void
1264 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1265 enum port_fdmi_event event)
1266 {
1267 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1268
1269 bfa_trc(port->fcs, port->port_cfg.pwwn);
1270 bfa_trc(port->fcs, event);
1271
1272 switch (event) {
1273 case FDMISM_EVENT_TIMEOUT:
1274 /*
1275 * Retry Timer Expired. Re-send
1276 */
1277 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1278 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1279 break;
1280
1281 case FDMISM_EVENT_PORT_OFFLINE:
1282 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1283 bfa_timer_stop(&fdmi->timer);
1284 break;
1285
1286 default:
1287 bfa_sm_fault(port->fcs, event);
1288 }
1289 }
1290
1291 /*
1292 * RPRT : Register Port
1293 */
1294 static void
1295 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1296 enum port_fdmi_event event)
1297 {
1298 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1299
1300 bfa_trc(port->fcs, port->port_cfg.pwwn);
1301 bfa_trc(port->fcs, event);
1302
1303 switch (event) {
1304 case FDMISM_EVENT_RPRT_SENT:
1305 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
1306 break;
1307
1308 case FDMISM_EVENT_PORT_OFFLINE:
1309 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1310 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1311 &fdmi->fcxp_wqe);
1312 break;
1313
1314 default:
1315 bfa_sm_fault(port->fcs, event);
1316 }
1317 }
1318
1319 static void
1320 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1321 enum port_fdmi_event event)
1322 {
1323 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1324
1325 bfa_trc(port->fcs, port->port_cfg.pwwn);
1326 bfa_trc(port->fcs, event);
1327
1328 switch (event) {
1329 case FDMISM_EVENT_RSP_ERROR:
1330 /*
1331 * if max retries have not been reached, start timer for a
1332 * delayed retry
1333 */
1334 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1335 bfa_sm_set_state(fdmi,
1336 bfa_fcs_lport_fdmi_sm_rprt_retry);
1337 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1338 &fdmi->timer,
1339 bfa_fcs_lport_fdmi_timeout, fdmi,
1340 BFA_FCS_RETRY_TIMEOUT);
1341
1342 } else {
1343 /*
1344 * set state to offline
1345 */
1346 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1347 fdmi->retry_cnt = 0;
1348 }
1349 break;
1350
1351 case FDMISM_EVENT_RSP_OK:
1352 fdmi->retry_cnt = 0;
1353 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1354 break;
1355
1356 case FDMISM_EVENT_PORT_OFFLINE:
1357 bfa_fcxp_discard(fdmi->fcxp);
1358 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1359 break;
1360
1361 default:
1362 bfa_sm_fault(port->fcs, event);
1363 }
1364 }
1365
1366 static void
1367 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1368 enum port_fdmi_event event)
1369 {
1370 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1371
1372 bfa_trc(port->fcs, port->port_cfg.pwwn);
1373 bfa_trc(port->fcs, event);
1374
1375 switch (event) {
1376 case FDMISM_EVENT_TIMEOUT:
1377 /*
1378 * Retry Timer Expired. Re-send
1379 */
1380 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1381 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1382 break;
1383
1384 case FDMISM_EVENT_PORT_OFFLINE:
1385 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1386 bfa_timer_stop(&fdmi->timer);
1387 break;
1388
1389 default:
1390 bfa_sm_fault(port->fcs, event);
1391 }
1392 }
1393
1394 /*
1395 * Register Port Attributes
1396 */
1397 static void
1398 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1399 enum port_fdmi_event event)
1400 {
1401 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1402
1403 bfa_trc(port->fcs, port->port_cfg.pwwn);
1404 bfa_trc(port->fcs, event);
1405
1406 switch (event) {
1407 case FDMISM_EVENT_RPA_SENT:
1408 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
1409 break;
1410
1411 case FDMISM_EVENT_PORT_OFFLINE:
1412 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1413 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1414 &fdmi->fcxp_wqe);
1415 break;
1416
1417 default:
1418 bfa_sm_fault(port->fcs, event);
1419 }
1420 }
1421
1422 static void
1423 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1424 enum port_fdmi_event event)
1425 {
1426 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1427
1428 bfa_trc(port->fcs, port->port_cfg.pwwn);
1429 bfa_trc(port->fcs, event);
1430
1431 switch (event) {
1432 case FDMISM_EVENT_RSP_ERROR:
1433 /*
1434 * if max retries have not been reached, start timer for a
1435 * delayed retry
1436 */
1437 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1438 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
1439 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1440 &fdmi->timer,
1441 bfa_fcs_lport_fdmi_timeout, fdmi,
1442 BFA_FCS_RETRY_TIMEOUT);
1443 } else {
1444 /*
1445 * set state to offline
1446 */
1447 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1448 fdmi->retry_cnt = 0;
1449 }
1450 break;
1451
1452 case FDMISM_EVENT_RSP_OK:
1453 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1454 fdmi->retry_cnt = 0;
1455 break;
1456
1457 case FDMISM_EVENT_PORT_OFFLINE:
1458 bfa_fcxp_discard(fdmi->fcxp);
1459 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1460 break;
1461
1462 default:
1463 bfa_sm_fault(port->fcs, event);
1464 }
1465 }
1466
1467 static void
1468 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1469 enum port_fdmi_event event)
1470 {
1471 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1472
1473 bfa_trc(port->fcs, port->port_cfg.pwwn);
1474 bfa_trc(port->fcs, event);
1475
1476 switch (event) {
1477 case FDMISM_EVENT_TIMEOUT:
1478 /*
1479 * Retry Timer Expired. Re-send
1480 */
1481 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1482 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1483 break;
1484
1485 case FDMISM_EVENT_PORT_OFFLINE:
1486 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1487 bfa_timer_stop(&fdmi->timer);
1488 break;
1489
1490 default:
1491 bfa_sm_fault(port->fcs, event);
1492 }
1493 }
1494
1495 static void
1496 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1497 enum port_fdmi_event event)
1498 {
1499 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1500
1501 bfa_trc(port->fcs, port->port_cfg.pwwn);
1502 bfa_trc(port->fcs, event);
1503
1504 switch (event) {
1505 case FDMISM_EVENT_PORT_OFFLINE:
1506 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1507 break;
1508
1509 default:
1510 bfa_sm_fault(port->fcs, event);
1511 }
1512 }
1513 /**
1514 * FDMI is disabled state.
1515 */
1516 static void
1517 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1518 enum port_fdmi_event event)
1519 {
1520 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1521
1522 bfa_trc(port->fcs, port->port_cfg.pwwn);
1523 bfa_trc(port->fcs, event);
1524
1525 /* No op State. It can only be enabled at Driver Init. */
1526 }
1527
1528 /**
1529 * RHBA : Register HBA Attributes.
1530 */
1531 static void
1532 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1533 {
1534 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1535 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1536 struct fchs_s fchs;
1537 int len, attr_len;
1538 struct bfa_fcxp_s *fcxp;
1539 u8 *pyld;
1540
1541 bfa_trc(port->fcs, port->port_cfg.pwwn);
1542
1543 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1544 if (!fcxp) {
1545 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1546 bfa_fcs_lport_fdmi_send_rhba, fdmi);
1547 return;
1548 }
1549 fdmi->fcxp = fcxp;
1550
1551 pyld = bfa_fcxp_get_reqbuf(fcxp);
1552 bfa_os_memset(pyld, 0, FC_MAX_PDUSZ);
1553
1554 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1555 FDMI_RHBA);
1556
1557 attr_len =
1558 bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1559 (u8 *) ((struct ct_hdr_s *) pyld
1560 + 1));
1561
1562 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1563 FC_CLASS_3, (len + attr_len), &fchs,
1564 bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
1565 FC_MAX_PDUSZ, FC_FCCT_TOV);
1566
1567 bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1568 }
1569
1570 static u16
1571 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1572 {
1573 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1574 struct bfa_fcs_fdmi_hba_attr_s hba_attr;
1575 struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
1576 struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
1577 struct fdmi_attr_s *attr;
1578 u8 *curr_ptr;
1579 u16 len, count;
1580
1581 /*
1582 * get hba attributes
1583 */
1584 bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
1585
1586 rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
1587 rhba->port_list.num_ports = bfa_os_htonl(1);
1588 rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
1589
1590 len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1591
1592 count = 0;
1593 len += sizeof(rhba->hba_attr_blk.attr_count);
1594
1595 /*
1596 * fill out the invididual entries of the HBA attrib Block
1597 */
1598 curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
1599
1600 /*
1601 * Node Name
1602 */
1603 attr = (struct fdmi_attr_s *) curr_ptr;
1604 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_NODENAME);
1605 attr->len = sizeof(wwn_t);
1606 memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), attr->len);
1607 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1608 len += attr->len;
1609 count++;
1610 attr->len =
1611 bfa_os_htons(attr->len + sizeof(attr->type) +
1612 sizeof(attr->len));
1613
1614 /*
1615 * Manufacturer
1616 */
1617 attr = (struct fdmi_attr_s *) curr_ptr;
1618 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MANUFACTURER);
1619 attr->len = (u16) strlen(fcs_hba_attr->manufacturer);
1620 memcpy(attr->value, fcs_hba_attr->manufacturer, attr->len);
1621 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1622 *fields need
1623 *to be 4 byte
1624 *aligned */
1625 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1626 len += attr->len;
1627 count++;
1628 attr->len =
1629 bfa_os_htons(attr->len + sizeof(attr->type) +
1630 sizeof(attr->len));
1631
1632 /*
1633 * Serial Number
1634 */
1635 attr = (struct fdmi_attr_s *) curr_ptr;
1636 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_SERIALNUM);
1637 attr->len = (u16) strlen(fcs_hba_attr->serial_num);
1638 memcpy(attr->value, fcs_hba_attr->serial_num, attr->len);
1639 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1640 *fields need
1641 *to be 4 byte
1642 *aligned */
1643 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1644 len += attr->len;
1645 count++;
1646 attr->len =
1647 bfa_os_htons(attr->len + sizeof(attr->type) +
1648 sizeof(attr->len));
1649
1650 /*
1651 * Model
1652 */
1653 attr = (struct fdmi_attr_s *) curr_ptr;
1654 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL);
1655 attr->len = (u16) strlen(fcs_hba_attr->model);
1656 memcpy(attr->value, fcs_hba_attr->model, attr->len);
1657 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1658 *fields need
1659 *to be 4 byte
1660 *aligned */
1661 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1662 len += attr->len;
1663 count++;
1664 attr->len =
1665 bfa_os_htons(attr->len + sizeof(attr->type) +
1666 sizeof(attr->len));
1667
1668 /*
1669 * Model Desc
1670 */
1671 attr = (struct fdmi_attr_s *) curr_ptr;
1672 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL_DESC);
1673 attr->len = (u16) strlen(fcs_hba_attr->model_desc);
1674 memcpy(attr->value, fcs_hba_attr->model_desc, attr->len);
1675 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1676 *fields need
1677 *to be 4 byte
1678 *aligned */
1679 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1680 len += attr->len;
1681 count++;
1682 attr->len =
1683 bfa_os_htons(attr->len + sizeof(attr->type) +
1684 sizeof(attr->len));
1685
1686 /*
1687 * H/W Version
1688 */
1689 if (fcs_hba_attr->hw_version[0] != '\0') {
1690 attr = (struct fdmi_attr_s *) curr_ptr;
1691 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_HW_VERSION);
1692 attr->len = (u16) strlen(fcs_hba_attr->hw_version);
1693 memcpy(attr->value, fcs_hba_attr->hw_version, attr->len);
1694 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1695 *fields need
1696 *to be 4 byte
1697 *aligned */
1698 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1699 len += attr->len;
1700 count++;
1701 attr->len =
1702 bfa_os_htons(attr->len + sizeof(attr->type) +
1703 sizeof(attr->len));
1704 }
1705
1706 /*
1707 * Driver Version
1708 */
1709 attr = (struct fdmi_attr_s *) curr_ptr;
1710 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_DRIVER_VERSION);
1711 attr->len = (u16) strlen(fcs_hba_attr->driver_version);
1712 memcpy(attr->value, fcs_hba_attr->driver_version, attr->len);
1713 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1714 *fields need
1715 *to be 4 byte
1716 *aligned */
1717 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1718 len += attr->len;;
1719 count++;
1720 attr->len =
1721 bfa_os_htons(attr->len + sizeof(attr->type) +
1722 sizeof(attr->len));
1723
1724 /*
1725 * Option Rom Version
1726 */
1727 if (fcs_hba_attr->option_rom_ver[0] != '\0') {
1728 attr = (struct fdmi_attr_s *) curr_ptr;
1729 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_ROM_VERSION);
1730 attr->len = (u16) strlen(fcs_hba_attr->option_rom_ver);
1731 memcpy(attr->value, fcs_hba_attr->option_rom_ver, attr->len);
1732 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1733 *fields need
1734 *to be 4 byte
1735 *aligned */
1736 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1737 len += attr->len;
1738 count++;
1739 attr->len =
1740 bfa_os_htons(attr->len + sizeof(attr->type) +
1741 sizeof(attr->len));
1742 }
1743
1744 /*
1745 * f/w Version = driver version
1746 */
1747 attr = (struct fdmi_attr_s *) curr_ptr;
1748 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_FW_VERSION);
1749 attr->len = (u16) strlen(fcs_hba_attr->driver_version);
1750 memcpy(attr->value, fcs_hba_attr->driver_version, attr->len);
1751 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1752 *fields need
1753 *to be 4 byte
1754 *aligned */
1755 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1756 len += attr->len;
1757 count++;
1758 attr->len =
1759 bfa_os_htons(attr->len + sizeof(attr->type) +
1760 sizeof(attr->len));
1761
1762 /*
1763 * OS Name
1764 */
1765 if (fcs_hba_attr->os_name[0] != '\0') {
1766 attr = (struct fdmi_attr_s *) curr_ptr;
1767 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_OS_NAME);
1768 attr->len = (u16) strlen(fcs_hba_attr->os_name);
1769 memcpy(attr->value, fcs_hba_attr->os_name, attr->len);
1770 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1771 *fields need
1772 *to be 4 byte
1773 *aligned */
1774 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1775 len += attr->len;
1776 count++;
1777 attr->len =
1778 bfa_os_htons(attr->len + sizeof(attr->type) +
1779 sizeof(attr->len));
1780 }
1781
1782 /*
1783 * MAX_CT_PAYLOAD
1784 */
1785 attr = (struct fdmi_attr_s *) curr_ptr;
1786 attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MAX_CT);
1787 attr->len = sizeof(fcs_hba_attr->max_ct_pyld);
1788 memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, attr->len);
1789 len += attr->len;
1790 count++;
1791 attr->len =
1792 bfa_os_htons(attr->len + sizeof(attr->type) +
1793 sizeof(attr->len));
1794
1795 /*
1796 * Update size of payload
1797 */
1798 len += ((sizeof(attr->type) +
1799 sizeof(attr->len)) * count);
1800
1801 rhba->hba_attr_blk.attr_count = bfa_os_htonl(count);
1802 return len;
1803 }
1804
1805 static void
1806 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
1807 void *cbarg, bfa_status_t req_status,
1808 u32 rsp_len, u32 resid_len,
1809 struct fchs_s *rsp_fchs)
1810 {
1811 struct bfa_fcs_lport_fdmi_s *fdmi =
1812 (struct bfa_fcs_lport_fdmi_s *) cbarg;
1813 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1814 struct ct_hdr_s *cthdr = NULL;
1815
1816 bfa_trc(port->fcs, port->port_cfg.pwwn);
1817
1818 /*
1819 * Sanity Checks
1820 */
1821 if (req_status != BFA_STATUS_OK) {
1822 bfa_trc(port->fcs, req_status);
1823 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
1824 return;
1825 }
1826
1827 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
1828 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
1829
1830 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
1831 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
1832 return;
1833 }
1834
1835 bfa_trc(port->fcs, cthdr->reason_code);
1836 bfa_trc(port->fcs, cthdr->exp_code);
1837 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
1838 }
1839
1840 /**
1841 * RPRT : Register Port
1842 */
1843 static void
1844 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1845 {
1846 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1847 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1848 struct fchs_s fchs;
1849 u16 len, attr_len;
1850 struct bfa_fcxp_s *fcxp;
1851 u8 *pyld;
1852
1853 bfa_trc(port->fcs, port->port_cfg.pwwn);
1854
1855 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1856 if (!fcxp) {
1857 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1858 bfa_fcs_lport_fdmi_send_rprt, fdmi);
1859 return;
1860 }
1861 fdmi->fcxp = fcxp;
1862
1863 pyld = bfa_fcxp_get_reqbuf(fcxp);
1864 bfa_os_memset(pyld, 0, FC_MAX_PDUSZ);
1865
1866 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1867 FDMI_RPRT);
1868
1869 attr_len =
1870 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
1871 (u8 *) ((struct ct_hdr_s *) pyld
1872 + 1));
1873
1874 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1875 FC_CLASS_3, len + attr_len, &fchs,
1876 bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
1877 FC_MAX_PDUSZ, FC_FCCT_TOV);
1878
1879 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
1880 }
1881
1882 /**
1883 * This routine builds Port Attribute Block that used in RPA, RPRT commands.
1884 */
1885 static u16
1886 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
1887 u8 *pyld)
1888 {
1889 struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
1890 struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
1891 struct fdmi_attr_s *attr;
1892 u8 *curr_ptr;
1893 u16 len;
1894 u8 count = 0;
1895
1896 /*
1897 * get port attributes
1898 */
1899 bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
1900
1901 len = sizeof(port_attrib->attr_count);
1902
1903 /*
1904 * fill out the invididual entries
1905 */
1906 curr_ptr = (u8 *) &port_attrib->port_attr;
1907
1908 /*
1909 * FC4 Types
1910 */
1911 attr = (struct fdmi_attr_s *) curr_ptr;
1912 attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FC4_TYPES);
1913 attr->len = sizeof(fcs_port_attr.supp_fc4_types);
1914 memcpy(attr->value, fcs_port_attr.supp_fc4_types, attr->len);
1915 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1916 len += attr->len;
1917 ++count;
1918 attr->len =
1919 bfa_os_htons(attr->len + sizeof(attr->type) +
1920 sizeof(attr->len));
1921
1922 /*
1923 * Supported Speed
1924 */
1925 attr = (struct fdmi_attr_s *) curr_ptr;
1926 attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_SUPP_SPEED);
1927 attr->len = sizeof(fcs_port_attr.supp_speed);
1928 memcpy(attr->value, &fcs_port_attr.supp_speed, attr->len);
1929 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1930 len += attr->len;
1931 ++count;
1932 attr->len =
1933 bfa_os_htons(attr->len + sizeof(attr->type) +
1934 sizeof(attr->len));
1935
1936 /*
1937 * current Port Speed
1938 */
1939 attr = (struct fdmi_attr_s *) curr_ptr;
1940 attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_PORT_SPEED);
1941 attr->len = sizeof(fcs_port_attr.curr_speed);
1942 memcpy(attr->value, &fcs_port_attr.curr_speed, attr->len);
1943 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1944 len += attr->len;
1945 ++count;
1946 attr->len =
1947 bfa_os_htons(attr->len + sizeof(attr->type) +
1948 sizeof(attr->len));
1949
1950 /*
1951 * max frame size
1952 */
1953 attr = (struct fdmi_attr_s *) curr_ptr;
1954 attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FRAME_SIZE);
1955 attr->len = sizeof(fcs_port_attr.max_frm_size);
1956 memcpy(attr->value, &fcs_port_attr.max_frm_size, attr->len);
1957 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1958 len += attr->len;
1959 ++count;
1960 attr->len =
1961 bfa_os_htons(attr->len + sizeof(attr->type) +
1962 sizeof(attr->len));
1963
1964 /*
1965 * OS Device Name
1966 */
1967 if (fcs_port_attr.os_device_name[0] != '\0') {
1968 attr = (struct fdmi_attr_s *) curr_ptr;
1969 attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_DEV_NAME);
1970 attr->len = (u16) strlen(fcs_port_attr.os_device_name);
1971 memcpy(attr->value, fcs_port_attr.os_device_name, attr->len);
1972 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1973 *fields need
1974 *to be 4 byte
1975 *aligned */
1976 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1977 len += attr->len;
1978 ++count;
1979 attr->len =
1980 bfa_os_htons(attr->len + sizeof(attr->type) +
1981 sizeof(attr->len));
1982 }
1983 /*
1984 * Host Name
1985 */
1986 if (fcs_port_attr.host_name[0] != '\0') {
1987 attr = (struct fdmi_attr_s *) curr_ptr;
1988 attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_HOST_NAME);
1989 attr->len = (u16) strlen(fcs_port_attr.host_name);
1990 memcpy(attr->value, fcs_port_attr.host_name, attr->len);
1991 attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
1992 *fields need
1993 *to be 4 byte
1994 *aligned */
1995 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
1996 len += attr->len;
1997 ++count;
1998 attr->len =
1999 bfa_os_htons(attr->len + sizeof(attr->type) +
2000 sizeof(attr->len));
2001 }
2002
2003 /*
2004 * Update size of payload
2005 */
2006 port_attrib->attr_count = bfa_os_htonl(count);
2007 len += ((sizeof(attr->type) +
2008 sizeof(attr->len)) * count);
2009 return len;
2010 }
2011
2012 static u16
2013 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2014 {
2015 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2016 struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2017 u16 len;
2018
2019 rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2020 rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2021
2022 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2023 (u8 *) &rprt->port_attr_blk);
2024
2025 len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2026
2027 return len;
2028 }
2029
2030 static void
2031 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2032 void *cbarg, bfa_status_t req_status,
2033 u32 rsp_len, u32 resid_len,
2034 struct fchs_s *rsp_fchs)
2035 {
2036 struct bfa_fcs_lport_fdmi_s *fdmi =
2037 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2038 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2039 struct ct_hdr_s *cthdr = NULL;
2040
2041 bfa_trc(port->fcs, port->port_cfg.pwwn);
2042
2043 /*
2044 * Sanity Checks
2045 */
2046 if (req_status != BFA_STATUS_OK) {
2047 bfa_trc(port->fcs, req_status);
2048 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2049 return;
2050 }
2051
2052 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2053 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
2054
2055 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2056 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2057 return;
2058 }
2059
2060 bfa_trc(port->fcs, cthdr->reason_code);
2061 bfa_trc(port->fcs, cthdr->exp_code);
2062 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2063 }
2064
2065 /**
2066 * RPA : Register Port Attributes.
2067 */
2068 static void
2069 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2070 {
2071 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2072 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2073 struct fchs_s fchs;
2074 u16 len, attr_len;
2075 struct bfa_fcxp_s *fcxp;
2076 u8 *pyld;
2077
2078 bfa_trc(port->fcs, port->port_cfg.pwwn);
2079
2080 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2081 if (!fcxp) {
2082 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2083 bfa_fcs_lport_fdmi_send_rpa, fdmi);
2084 return;
2085 }
2086 fdmi->fcxp = fcxp;
2087
2088 pyld = bfa_fcxp_get_reqbuf(fcxp);
2089 bfa_os_memset(pyld, 0, FC_MAX_PDUSZ);
2090
2091 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2092 FDMI_RPA);
2093
2094 attr_len =
2095 bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2096 (u8 *) ((struct ct_hdr_s *) pyld
2097 + 1));
2098
2099 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2100 FC_CLASS_3, len + attr_len, &fchs,
2101 bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2102 FC_MAX_PDUSZ, FC_FCCT_TOV);
2103
2104 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2105 }
2106
2107 static u16
2108 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2109 {
2110 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2111 struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2112 u16 len;
2113
2114 rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2115
2116 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2117 (u8 *) &rpa->port_attr_blk);
2118
2119 len += sizeof(rpa->port_name);
2120
2121 return len;
2122 }
2123
2124 static void
2125 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2126 void *cbarg, bfa_status_t req_status, u32 rsp_len,
2127 u32 resid_len, struct fchs_s *rsp_fchs)
2128 {
2129 struct bfa_fcs_lport_fdmi_s *fdmi =
2130 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2131 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2132 struct ct_hdr_s *cthdr = NULL;
2133
2134 bfa_trc(port->fcs, port->port_cfg.pwwn);
2135
2136 /*
2137 * Sanity Checks
2138 */
2139 if (req_status != BFA_STATUS_OK) {
2140 bfa_trc(port->fcs, req_status);
2141 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2142 return;
2143 }
2144
2145 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2146 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
2147
2148 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2149 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2150 return;
2151 }
2152
2153 bfa_trc(port->fcs, cthdr->reason_code);
2154 bfa_trc(port->fcs, cthdr->exp_code);
2155 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2156 }
2157
2158 static void
2159 bfa_fcs_lport_fdmi_timeout(void *arg)
2160 {
2161 struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2162
2163 bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2164 }
2165
2166 void
2167 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2168 struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2169 {
2170 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2171 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2172
2173 bfa_os_memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2174
2175 bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2176 hba_attr->manufacturer);
2177 bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2178 hba_attr->serial_num);
2179 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2180 hba_attr->model);
2181 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2182 hba_attr->model_desc);
2183 bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2184 hba_attr->hw_version);
2185 bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2186 hba_attr->option_rom_ver);
2187 bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2188 hba_attr->fw_version);
2189
2190 strncpy(hba_attr->driver_version, (char *)driver_info->version,
2191 sizeof(hba_attr->driver_version));
2192
2193 strncpy(hba_attr->os_name, driver_info->host_os_name,
2194 sizeof(hba_attr->os_name));
2195
2196 /*
2197 * If there is a patch level, append it
2198 * to the os name along with a separator
2199 */
2200 if (driver_info->host_os_patch[0] != '\0') {
2201 strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2202 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
2203 strncat(hba_attr->os_name, driver_info->host_os_patch,
2204 sizeof(driver_info->host_os_patch));
2205 }
2206
2207 hba_attr->max_ct_pyld = bfa_os_htonl(FC_MAX_PDUSZ);
2208 }
2209
2210 void
2211 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2212 struct bfa_fcs_fdmi_port_attr_s *port_attr)
2213 {
2214 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2215 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2216 struct bfa_port_attr_s pport_attr;
2217
2218 bfa_os_memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2219
2220 /*
2221 * get pport attributes from hal
2222 */
2223 bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2224
2225 /*
2226 * get FC4 type Bitmask
2227 */
2228 fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2229
2230 /*
2231 * Supported Speeds
2232 */
2233 port_attr->supp_speed = bfa_os_htonl(BFA_FCS_FDMI_SUPORTED_SPEEDS);
2234
2235 /*
2236 * Current Speed
2237 */
2238 port_attr->curr_speed = bfa_os_htonl(pport_attr.speed);
2239
2240 /*
2241 * Max PDU Size.
2242 */
2243 port_attr->max_frm_size = bfa_os_htonl(FC_MAX_PDUSZ);
2244
2245 /*
2246 * OS device Name
2247 */
2248 strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
2249 sizeof(port_attr->os_device_name));
2250
2251 /*
2252 * Host name
2253 */
2254 strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
2255 sizeof(port_attr->host_name));
2256
2257 }
2258
2259
2260 void
2261 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2262 {
2263 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2264
2265 fdmi->ms = ms;
2266 if (ms->port->fcs->fdmi_enabled)
2267 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2268 else
2269 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2270 }
2271
2272 void
2273 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2274 {
2275 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2276
2277 fdmi->ms = ms;
2278 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2279 }
2280
2281 void
2282 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2283 {
2284 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2285
2286 fdmi->ms = ms;
2287 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2288 }
2289
2290 #define BFA_FCS_MS_CMD_MAX_RETRIES 2
2291
2292 /*
2293 * forward declarations
2294 */
2295 static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2296 struct bfa_fcxp_s *fcxp_alloced);
2297 static void bfa_fcs_lport_ms_timeout(void *arg);
2298 static void bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2299 struct bfa_fcxp_s *fcxp,
2300 void *cbarg,
2301 bfa_status_t req_status,
2302 u32 rsp_len,
2303 u32 resid_len,
2304 struct fchs_s *rsp_fchs);
2305
2306 static void bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2307 struct bfa_fcxp_s *fcxp_alloced);
2308 static void bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2309 struct bfa_fcxp_s *fcxp,
2310 void *cbarg,
2311 bfa_status_t req_status,
2312 u32 rsp_len,
2313 u32 resid_len,
2314 struct fchs_s *rsp_fchs);
2315 static void bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2316 struct bfa_fcxp_s *fcxp_alloced);
2317 static void bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2318 struct bfa_fcxp_s *fcxp,
2319 void *cbarg,
2320 bfa_status_t req_status,
2321 u32 rsp_len,
2322 u32 resid_len,
2323 struct fchs_s *rsp_fchs);
2324 /**
2325 * fcs_ms_sm FCS MS state machine
2326 */
2327
2328 /**
2329 * MS State Machine events
2330 */
2331 enum port_ms_event {
2332 MSSM_EVENT_PORT_ONLINE = 1,
2333 MSSM_EVENT_PORT_OFFLINE = 2,
2334 MSSM_EVENT_RSP_OK = 3,
2335 MSSM_EVENT_RSP_ERROR = 4,
2336 MSSM_EVENT_TIMEOUT = 5,
2337 MSSM_EVENT_FCXP_SENT = 6,
2338 MSSM_EVENT_PORT_FABRIC_RSCN = 7
2339 };
2340
2341 static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2342 enum port_ms_event event);
2343 static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2344 enum port_ms_event event);
2345 static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2346 enum port_ms_event event);
2347 static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2348 enum port_ms_event event);
2349 static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2350 enum port_ms_event event);
2351 static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2352 enum port_ms_event event);
2353 static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2354 enum port_ms_event event);
2355 static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2356 enum port_ms_event event);
2357 static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2358 enum port_ms_event event);
2359 static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2360 enum port_ms_event event);
2361 static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2362 enum port_ms_event event);
2363 /**
2364 * Start in offline state - awaiting NS to send start.
2365 */
2366 static void
2367 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2368 enum port_ms_event event)
2369 {
2370 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2371 bfa_trc(ms->port->fcs, event);
2372
2373 switch (event) {
2374 case MSSM_EVENT_PORT_ONLINE:
2375 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2376 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2377 break;
2378
2379 case MSSM_EVENT_PORT_OFFLINE:
2380 break;
2381
2382 default:
2383 bfa_sm_fault(ms->port->fcs, event);
2384 }
2385 }
2386
2387 static void
2388 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2389 enum port_ms_event event)
2390 {
2391 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2392 bfa_trc(ms->port->fcs, event);
2393
2394 switch (event) {
2395 case MSSM_EVENT_FCXP_SENT:
2396 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2397 break;
2398
2399 case MSSM_EVENT_PORT_OFFLINE:
2400 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2401 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2402 &ms->fcxp_wqe);
2403 break;
2404
2405 default:
2406 bfa_sm_fault(ms->port->fcs, event);
2407 }
2408 }
2409
2410 static void
2411 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2412 enum port_ms_event event)
2413 {
2414 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2415 bfa_trc(ms->port->fcs, event);
2416
2417 switch (event) {
2418 case MSSM_EVENT_RSP_ERROR:
2419 /*
2420 * Start timer for a delayed retry
2421 */
2422 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2423 ms->port->stats.ms_retries++;
2424 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2425 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2426 BFA_FCS_RETRY_TIMEOUT);
2427 break;
2428
2429 case MSSM_EVENT_RSP_OK:
2430 /*
2431 * since plogi is done, now invoke MS related sub-modules
2432 */
2433 bfa_fcs_lport_fdmi_online(ms);
2434
2435 /**
2436 * if this is a Vport, go to online state.
2437 */
2438 if (ms->port->vport) {
2439 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2440 break;
2441 }
2442
2443 /*
2444 * For a base port we need to get the
2445 * switch's IP address.
2446 */
2447 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2448 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2449 break;
2450
2451 case MSSM_EVENT_PORT_OFFLINE:
2452 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2453 bfa_fcxp_discard(ms->fcxp);
2454 break;
2455
2456 default:
2457 bfa_sm_fault(ms->port->fcs, event);
2458 }
2459 }
2460
2461 static void
2462 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2463 enum port_ms_event event)
2464 {
2465 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2466 bfa_trc(ms->port->fcs, event);
2467
2468 switch (event) {
2469 case MSSM_EVENT_TIMEOUT:
2470 /*
2471 * Retry Timer Expired. Re-send
2472 */
2473 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2474 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2475 break;
2476
2477 case MSSM_EVENT_PORT_OFFLINE:
2478 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2479 bfa_timer_stop(&ms->timer);
2480 break;
2481
2482 default:
2483 bfa_sm_fault(ms->port->fcs, event);
2484 }
2485 }
2486
2487 static void
2488 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2489 enum port_ms_event event)
2490 {
2491 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2492 bfa_trc(ms->port->fcs, event);
2493
2494 switch (event) {
2495 case MSSM_EVENT_PORT_OFFLINE:
2496 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2497 break;
2498
2499 case MSSM_EVENT_PORT_FABRIC_RSCN:
2500 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2501 ms->retry_cnt = 0;
2502 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2503 break;
2504
2505 default:
2506 bfa_sm_fault(ms->port->fcs, event);
2507 }
2508 }
2509
2510 static void
2511 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2512 enum port_ms_event event)
2513 {
2514 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2515 bfa_trc(ms->port->fcs, event);
2516
2517 switch (event) {
2518 case MSSM_EVENT_FCXP_SENT:
2519 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
2520 break;
2521
2522 case MSSM_EVENT_PORT_OFFLINE:
2523 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2524 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2525 &ms->fcxp_wqe);
2526 break;
2527
2528 default:
2529 bfa_sm_fault(ms->port->fcs, event);
2530 }
2531 }
2532
2533 static void
2534 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2535 enum port_ms_event event)
2536 {
2537 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2538 bfa_trc(ms->port->fcs, event);
2539
2540 switch (event) {
2541 case MSSM_EVENT_RSP_ERROR:
2542 /*
2543 * Start timer for a delayed retry
2544 */
2545 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
2546 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
2547 ms->port->stats.ms_retries++;
2548 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2549 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2550 BFA_FCS_RETRY_TIMEOUT);
2551 } else {
2552 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2553 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2554 ms->retry_cnt = 0;
2555 }
2556 break;
2557
2558 case MSSM_EVENT_RSP_OK:
2559 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2560 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2561 break;
2562
2563 case MSSM_EVENT_PORT_OFFLINE:
2564 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2565 bfa_fcxp_discard(ms->fcxp);
2566 break;
2567
2568 default:
2569 bfa_sm_fault(ms->port->fcs, event);
2570 }
2571 }
2572
2573 static void
2574 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2575 enum port_ms_event event)
2576 {
2577 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2578 bfa_trc(ms->port->fcs, event);
2579
2580 switch (event) {
2581 case MSSM_EVENT_TIMEOUT:
2582 /*
2583 * Retry Timer Expired. Re-send
2584 */
2585 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2586 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2587 break;
2588
2589 case MSSM_EVENT_PORT_OFFLINE:
2590 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2591 bfa_timer_stop(&ms->timer);
2592 break;
2593
2594 default:
2595 bfa_sm_fault(ms->port->fcs, event);
2596 }
2597 }
2598 /**
2599 * ms_pvt MS local functions
2600 */
2601
2602 static void
2603 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2604 {
2605 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2606 bfa_fcs_lport_t *port = ms->port;
2607 struct fchs_s fchs;
2608 int len;
2609 struct bfa_fcxp_s *fcxp;
2610
2611 bfa_trc(port->fcs, port->pid);
2612
2613 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2614 if (!fcxp) {
2615 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2616 bfa_fcs_lport_ms_send_gmal, ms);
2617 return;
2618 }
2619 ms->fcxp = fcxp;
2620
2621 len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2622 bfa_fcs_lport_get_fcid(port),
2623 bfa_lps_get_peer_nwwn(port->fabric->lps));
2624
2625 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2626 FC_CLASS_3, len, &fchs,
2627 bfa_fcs_lport_ms_gmal_response, (void *)ms,
2628 FC_MAX_PDUSZ, FC_FCCT_TOV);
2629
2630 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2631 }
2632
2633 static void
2634 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2635 void *cbarg, bfa_status_t req_status,
2636 u32 rsp_len, u32 resid_len,
2637 struct fchs_s *rsp_fchs)
2638 {
2639 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2640 bfa_fcs_lport_t *port = ms->port;
2641 struct ct_hdr_s *cthdr = NULL;
2642 struct fcgs_gmal_resp_s *gmal_resp;
2643 struct fcgs_gmal_entry_s *gmal_entry;
2644 u32 num_entries;
2645 u8 *rsp_str;
2646
2647 bfa_trc(port->fcs, req_status);
2648 bfa_trc(port->fcs, port->port_cfg.pwwn);
2649
2650 /*
2651 * Sanity Checks
2652 */
2653 if (req_status != BFA_STATUS_OK) {
2654 bfa_trc(port->fcs, req_status);
2655 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2656 return;
2657 }
2658
2659 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2660 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
2661
2662 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2663 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
2664
2665 num_entries = bfa_os_ntohl(gmal_resp->ms_len);
2666 if (num_entries == 0) {
2667 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2668 return;
2669 }
2670 /*
2671 * The response could contain multiple Entries.
2672 * Entries for SNMP interface, etc.
2673 * We look for the entry with a telnet prefix.
2674 * First "http://" entry refers to IP addr
2675 */
2676
2677 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
2678 while (num_entries > 0) {
2679 if (strncmp(gmal_entry->prefix,
2680 CT_GMAL_RESP_PREFIX_HTTP,
2681 sizeof(gmal_entry->prefix)) == 0) {
2682
2683 /*
2684 * if the IP address is terminating with a '/',
2685 * remove it.
2686 * Byte 0 consists of the length of the string.
2687 */
2688 rsp_str = &(gmal_entry->prefix[0]);
2689 if (rsp_str[gmal_entry->len-1] == '/')
2690 rsp_str[gmal_entry->len-1] = 0;
2691
2692 /* copy IP Address to fabric */
2693 strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
2694 gmal_entry->ip_addr,
2695 BFA_FCS_FABRIC_IPADDR_SZ);
2696 break;
2697 } else {
2698 --num_entries;
2699 ++gmal_entry;
2700 }
2701 }
2702
2703 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
2704 return;
2705 }
2706
2707 bfa_trc(port->fcs, cthdr->reason_code);
2708 bfa_trc(port->fcs, cthdr->exp_code);
2709 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2710 }
2711
2712 static void
2713 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2714 enum port_ms_event event)
2715 {
2716 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2717 bfa_trc(ms->port->fcs, event);
2718
2719 switch (event) {
2720 case MSSM_EVENT_FCXP_SENT:
2721 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
2722 break;
2723
2724 case MSSM_EVENT_PORT_OFFLINE:
2725 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2726 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2727 &ms->fcxp_wqe);
2728 break;
2729
2730 default:
2731 bfa_sm_fault(ms->port->fcs, event);
2732 }
2733 }
2734
2735 static void
2736 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2737 enum port_ms_event event)
2738 {
2739 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2740 bfa_trc(ms->port->fcs, event);
2741
2742 switch (event) {
2743 case MSSM_EVENT_RSP_ERROR:
2744 /*
2745 * Start timer for a delayed retry
2746 */
2747 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
2748 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
2749 ms->port->stats.ms_retries++;
2750 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2751 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2752 BFA_FCS_RETRY_TIMEOUT);
2753 } else {
2754 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2755 ms->retry_cnt = 0;
2756 }
2757 break;
2758
2759 case MSSM_EVENT_RSP_OK:
2760 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2761 break;
2762
2763 case MSSM_EVENT_PORT_OFFLINE:
2764 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2765 bfa_fcxp_discard(ms->fcxp);
2766 break;
2767
2768 default:
2769 bfa_sm_fault(ms->port->fcs, event);
2770 }
2771 }
2772
2773 static void
2774 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2775 enum port_ms_event event)
2776 {
2777 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2778 bfa_trc(ms->port->fcs, event);
2779
2780 switch (event) {
2781 case MSSM_EVENT_TIMEOUT:
2782 /*
2783 * Retry Timer Expired. Re-send
2784 */
2785 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2786 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2787 break;
2788
2789 case MSSM_EVENT_PORT_OFFLINE:
2790 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2791 bfa_timer_stop(&ms->timer);
2792 break;
2793
2794 default:
2795 bfa_sm_fault(ms->port->fcs, event);
2796 }
2797 }
2798 /**
2799 * ms_pvt MS local functions
2800 */
2801
2802 static void
2803 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2804 {
2805 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2806 bfa_fcs_lport_t *port = ms->port;
2807 struct fchs_s fchs;
2808 int len;
2809 struct bfa_fcxp_s *fcxp;
2810
2811 bfa_trc(port->fcs, port->pid);
2812
2813 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2814 if (!fcxp) {
2815 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2816 bfa_fcs_lport_ms_send_gfn, ms);
2817 return;
2818 }
2819 ms->fcxp = fcxp;
2820
2821 len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2822 bfa_fcs_lport_get_fcid(port),
2823 bfa_lps_get_peer_nwwn(port->fabric->lps));
2824
2825 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2826 FC_CLASS_3, len, &fchs,
2827 bfa_fcs_lport_ms_gfn_response, (void *)ms,
2828 FC_MAX_PDUSZ, FC_FCCT_TOV);
2829
2830 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2831 }
2832
2833 static void
2834 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2835 void *cbarg, bfa_status_t req_status, u32 rsp_len,
2836 u32 resid_len, struct fchs_s *rsp_fchs)
2837 {
2838 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2839 bfa_fcs_lport_t *port = ms->port;
2840 struct ct_hdr_s *cthdr = NULL;
2841 wwn_t *gfn_resp;
2842
2843 bfa_trc(port->fcs, req_status);
2844 bfa_trc(port->fcs, port->port_cfg.pwwn);
2845
2846 /*
2847 * Sanity Checks
2848 */
2849 if (req_status != BFA_STATUS_OK) {
2850 bfa_trc(port->fcs, req_status);
2851 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2852 return;
2853 }
2854
2855 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2856 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
2857
2858 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2859 gfn_resp = (wwn_t *)(cthdr + 1);
2860 /* check if it has actually changed */
2861 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
2862 gfn_resp, sizeof(wwn_t)) != 0)) {
2863 bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
2864 }
2865 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
2866 return;
2867 }
2868
2869 bfa_trc(port->fcs, cthdr->reason_code);
2870 bfa_trc(port->fcs, cthdr->exp_code);
2871 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2872 }
2873
2874 /**
2875 * ms_pvt MS local functions
2876 */
2877
2878 static void
2879 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2880 {
2881 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2882 struct bfa_fcs_lport_s *port = ms->port;
2883 struct fchs_s fchs;
2884 int len;
2885 struct bfa_fcxp_s *fcxp;
2886
2887 bfa_trc(port->fcs, port->pid);
2888
2889 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2890 if (!fcxp) {
2891 port->stats.ms_plogi_alloc_wait++;
2892 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2893 bfa_fcs_lport_ms_send_plogi, ms);
2894 return;
2895 }
2896 ms->fcxp = fcxp;
2897
2898 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2899 bfa_os_hton3b(FC_MGMT_SERVER),
2900 bfa_fcs_lport_get_fcid(port), 0,
2901 port->port_cfg.pwwn, port->port_cfg.nwwn,
2902 bfa_fcport_get_maxfrsize(port->fcs->bfa));
2903
2904 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2905 FC_CLASS_3, len, &fchs,
2906 bfa_fcs_lport_ms_plogi_response, (void *)ms,
2907 FC_MAX_PDUSZ, FC_ELS_TOV);
2908
2909 port->stats.ms_plogi_sent++;
2910 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2911 }
2912
2913 static void
2914 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2915 void *cbarg, bfa_status_t req_status,
2916 u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
2917 {
2918 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2919 struct bfa_fcs_lport_s *port = ms->port;
2920 struct fc_els_cmd_s *els_cmd;
2921 struct fc_ls_rjt_s *ls_rjt;
2922
2923 bfa_trc(port->fcs, req_status);
2924 bfa_trc(port->fcs, port->port_cfg.pwwn);
2925
2926 /*
2927 * Sanity Checks
2928 */
2929 if (req_status != BFA_STATUS_OK) {
2930 port->stats.ms_plogi_rsp_err++;
2931 bfa_trc(port->fcs, req_status);
2932 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2933 return;
2934 }
2935
2936 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
2937
2938 switch (els_cmd->els_code) {
2939
2940 case FC_ELS_ACC:
2941 if (rsp_len < sizeof(struct fc_logi_s)) {
2942 bfa_trc(port->fcs, rsp_len);
2943 port->stats.ms_plogi_acc_err++;
2944 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2945 break;
2946 }
2947 port->stats.ms_plogi_accepts++;
2948 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
2949 break;
2950
2951 case FC_ELS_LS_RJT:
2952 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
2953
2954 bfa_trc(port->fcs, ls_rjt->reason_code);
2955 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
2956
2957 port->stats.ms_rejects++;
2958 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2959 break;
2960
2961 default:
2962 port->stats.ms_plogi_unknown_rsp++;
2963 bfa_trc(port->fcs, els_cmd->els_code);
2964 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2965 }
2966 }
2967
2968 static void
2969 bfa_fcs_lport_ms_timeout(void *arg)
2970 {
2971 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
2972
2973 ms->port->stats.ms_timeouts++;
2974 bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
2975 }
2976
2977
2978 void
2979 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
2980 {
2981 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
2982
2983 ms->port = port;
2984 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2985
2986 /*
2987 * Invoke init routines of sub modules.
2988 */
2989 bfa_fcs_lport_fdmi_init(ms);
2990 }
2991
2992 void
2993 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
2994 {
2995 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
2996
2997 ms->port = port;
2998 bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
2999 bfa_fcs_lport_fdmi_offline(ms);
3000 }
3001
3002 void
3003 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3004 {
3005 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3006
3007 ms->port = port;
3008 bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3009 }
3010 void
3011 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3012 {
3013 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3014
3015 /* todo. Handle this only when in Online state */
3016 if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3017 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3018 }
3019
3020 /**
3021 * @page ns_sm_info VPORT NS State Machine
3022 *
3023 * @section ns_sm_interactions VPORT NS State Machine Interactions
3024 *
3025 * @section ns_sm VPORT NS State Machine
3026 * img ns_sm.jpg
3027 */
3028
3029 /*
3030 * forward declarations
3031 */
3032 static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3033 struct bfa_fcxp_s *fcxp_alloced);
3034 static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3035 struct bfa_fcxp_s *fcxp_alloced);
3036 static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3037 struct bfa_fcxp_s *fcxp_alloced);
3038 static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3039 struct bfa_fcxp_s *fcxp_alloced);
3040 static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3041 struct bfa_fcxp_s *fcxp_alloced);
3042 static void bfa_fcs_lport_ns_timeout(void *arg);
3043 static void bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3044 struct bfa_fcxp_s *fcxp,
3045 void *cbarg,
3046 bfa_status_t req_status,
3047 u32 rsp_len,
3048 u32 resid_len,
3049 struct fchs_s *rsp_fchs);
3050 static void bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3051 struct bfa_fcxp_s *fcxp,
3052 void *cbarg,
3053 bfa_status_t req_status,
3054 u32 rsp_len,
3055 u32 resid_len,
3056 struct fchs_s *rsp_fchs);
3057 static void bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3058 struct bfa_fcxp_s *fcxp,
3059 void *cbarg,
3060 bfa_status_t req_status,
3061 u32 rsp_len,
3062 u32 resid_len,
3063 struct fchs_s *rsp_fchs);
3064 static void bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3065 struct bfa_fcxp_s *fcxp,
3066 void *cbarg,
3067 bfa_status_t req_status,
3068 u32 rsp_len,
3069 u32 resid_len,
3070 struct fchs_s *rsp_fchs);
3071 static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3072 struct bfa_fcxp_s *fcxp,
3073 void *cbarg,
3074 bfa_status_t req_status,
3075 u32 rsp_len,
3076 u32 resid_len,
3077 struct fchs_s *rsp_fchs);
3078 static void bfa_fcs_lport_ns_process_gidft_pids(
3079 struct bfa_fcs_lport_s *port,
3080 u32 *pid_buf, u32 n_pids);
3081
3082 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3083 /**
3084 * fcs_ns_sm FCS nameserver interface state machine
3085 */
3086
3087 /**
3088 * VPort NS State Machine events
3089 */
3090 enum vport_ns_event {
3091 NSSM_EVENT_PORT_ONLINE = 1,
3092 NSSM_EVENT_PORT_OFFLINE = 2,
3093 NSSM_EVENT_PLOGI_SENT = 3,
3094 NSSM_EVENT_RSP_OK = 4,
3095 NSSM_EVENT_RSP_ERROR = 5,
3096 NSSM_EVENT_TIMEOUT = 6,
3097 NSSM_EVENT_NS_QUERY = 7,
3098 NSSM_EVENT_RSPNID_SENT = 8,
3099 NSSM_EVENT_RFTID_SENT = 9,
3100 NSSM_EVENT_RFFID_SENT = 10,
3101 NSSM_EVENT_GIDFT_SENT = 11,
3102 };
3103
3104 static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3105 enum vport_ns_event event);
3106 static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3107 enum vport_ns_event event);
3108 static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3109 enum vport_ns_event event);
3110 static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3111 enum vport_ns_event event);
3112 static void bfa_fcs_lport_ns_sm_sending_rspn_id(
3113 struct bfa_fcs_lport_ns_s *ns,
3114 enum vport_ns_event event);
3115 static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3116 enum vport_ns_event event);
3117 static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3118 enum vport_ns_event event);
3119 static void bfa_fcs_lport_ns_sm_sending_rft_id(
3120 struct bfa_fcs_lport_ns_s *ns,
3121 enum vport_ns_event event);
3122 static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3123 enum vport_ns_event event);
3124 static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3125 enum vport_ns_event event);
3126 static void bfa_fcs_lport_ns_sm_sending_rff_id(
3127 struct bfa_fcs_lport_ns_s *ns,
3128 enum vport_ns_event event);
3129 static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3130 enum vport_ns_event event);
3131 static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3132 enum vport_ns_event event);
3133 static void bfa_fcs_lport_ns_sm_sending_gid_ft(
3134 struct bfa_fcs_lport_ns_s *ns,
3135 enum vport_ns_event event);
3136 static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3137 enum vport_ns_event event);
3138 static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3139 enum vport_ns_event event);
3140 static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3141 enum vport_ns_event event);
3142 /**
3143 * Start in offline state - awaiting linkup
3144 */
3145 static void
3146 bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3147 enum vport_ns_event event)
3148 {
3149 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3150 bfa_trc(ns->port->fcs, event);
3151
3152 switch (event) {
3153 case NSSM_EVENT_PORT_ONLINE:
3154 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3155 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3156 break;
3157
3158 case NSSM_EVENT_PORT_OFFLINE:
3159 break;
3160
3161 default:
3162 bfa_sm_fault(ns->port->fcs, event);
3163 }
3164 }
3165
3166 static void
3167 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3168 enum vport_ns_event event)
3169 {
3170 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3171 bfa_trc(ns->port->fcs, event);
3172
3173 switch (event) {
3174 case NSSM_EVENT_PLOGI_SENT:
3175 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3176 break;
3177
3178 case NSSM_EVENT_PORT_OFFLINE:
3179 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3180 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3181 &ns->fcxp_wqe);
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_plogi(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_RSP_ERROR:
3198 /*
3199 * Start timer for a delayed retry
3200 */
3201 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3202 ns->port->stats.ns_retries++;
3203 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3204 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3205 BFA_FCS_RETRY_TIMEOUT);
3206 break;
3207
3208 case NSSM_EVENT_RSP_OK:
3209 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3210 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3211 break;
3212
3213 case NSSM_EVENT_PORT_OFFLINE:
3214 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3215 bfa_fcxp_discard(ns->fcxp);
3216 break;
3217
3218 default:
3219 bfa_sm_fault(ns->port->fcs, event);
3220 }
3221 }
3222
3223 static void
3224 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3225 enum vport_ns_event event)
3226 {
3227 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3228 bfa_trc(ns->port->fcs, event);
3229
3230 switch (event) {
3231 case NSSM_EVENT_TIMEOUT:
3232 /*
3233 * Retry Timer Expired. Re-send
3234 */
3235 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3236 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3237 break;
3238
3239 case NSSM_EVENT_PORT_OFFLINE:
3240 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3241 bfa_timer_stop(&ns->timer);
3242 break;
3243
3244 default:
3245 bfa_sm_fault(ns->port->fcs, event);
3246 }
3247 }
3248
3249 static void
3250 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3251 enum vport_ns_event event)
3252 {
3253 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3254 bfa_trc(ns->port->fcs, event);
3255
3256 switch (event) {
3257 case NSSM_EVENT_RSPNID_SENT:
3258 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
3259 break;
3260
3261 case NSSM_EVENT_PORT_OFFLINE:
3262 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3263 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3264 &ns->fcxp_wqe);
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_rspn_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_RSP_ERROR:
3281 /*
3282 * Start timer for a delayed retry
3283 */
3284 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
3285 ns->port->stats.ns_retries++;
3286 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3287 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3288 BFA_FCS_RETRY_TIMEOUT);
3289 break;
3290
3291 case NSSM_EVENT_RSP_OK:
3292 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3293 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3294 break;
3295
3296 case NSSM_EVENT_PORT_OFFLINE:
3297 bfa_fcxp_discard(ns->fcxp);
3298 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3299 break;
3300
3301 default:
3302 bfa_sm_fault(ns->port->fcs, event);
3303 }
3304 }
3305
3306 static void
3307 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3308 enum vport_ns_event event)
3309 {
3310 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3311 bfa_trc(ns->port->fcs, event);
3312
3313 switch (event) {
3314 case NSSM_EVENT_TIMEOUT:
3315 /*
3316 * Retry Timer Expired. Re-send
3317 */
3318 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3319 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3320 break;
3321
3322 case NSSM_EVENT_PORT_OFFLINE:
3323 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3324 bfa_timer_stop(&ns->timer);
3325 break;
3326
3327 default:
3328 bfa_sm_fault(ns->port->fcs, event);
3329 }
3330 }
3331
3332 static void
3333 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
3334 enum vport_ns_event event)
3335 {
3336 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3337 bfa_trc(ns->port->fcs, event);
3338
3339 switch (event) {
3340 case NSSM_EVENT_RFTID_SENT:
3341 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
3342 break;
3343
3344 case NSSM_EVENT_PORT_OFFLINE:
3345 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3346 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3347 &ns->fcxp_wqe);
3348 break;
3349
3350 default:
3351 bfa_sm_fault(ns->port->fcs, event);
3352 }
3353 }
3354
3355 static void
3356 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3357 enum vport_ns_event event)
3358 {
3359 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3360 bfa_trc(ns->port->fcs, event);
3361
3362 switch (event) {
3363 case NSSM_EVENT_RSP_OK:
3364 /* Now move to register FC4 Features */
3365 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
3366 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
3367 break;
3368
3369 case NSSM_EVENT_RSP_ERROR:
3370 /*
3371 * Start timer for a delayed retry
3372 */
3373 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
3374 ns->port->stats.ns_retries++;
3375 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3376 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3377 BFA_FCS_RETRY_TIMEOUT);
3378 break;
3379
3380 case NSSM_EVENT_PORT_OFFLINE:
3381 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3382 bfa_fcxp_discard(ns->fcxp);
3383 break;
3384
3385 default:
3386 bfa_sm_fault(ns->port->fcs, event);
3387 }
3388 }
3389
3390 static void
3391 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3392 enum vport_ns_event event)
3393 {
3394 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3395 bfa_trc(ns->port->fcs, event);
3396
3397 switch (event) {
3398 case NSSM_EVENT_TIMEOUT:
3399 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3400 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3401 break;
3402
3403 case NSSM_EVENT_PORT_OFFLINE:
3404 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3405 bfa_timer_stop(&ns->timer);
3406 break;
3407
3408 default:
3409 bfa_sm_fault(ns->port->fcs, event);
3410 }
3411 }
3412
3413 static void
3414 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
3415 enum vport_ns_event event)
3416 {
3417 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3418 bfa_trc(ns->port->fcs, event);
3419
3420 switch (event) {
3421 case NSSM_EVENT_RFFID_SENT:
3422 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
3423 break;
3424
3425 case NSSM_EVENT_PORT_OFFLINE:
3426 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3427 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3428 &ns->fcxp_wqe);
3429 break;
3430
3431 default:
3432 bfa_sm_fault(ns->port->fcs, event);
3433 }
3434 }
3435
3436 static void
3437 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3438 enum vport_ns_event event)
3439 {
3440 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3441 bfa_trc(ns->port->fcs, event);
3442
3443 switch (event) {
3444 case NSSM_EVENT_RSP_OK:
3445
3446 /*
3447 * If min cfg mode is enabled, we donot initiate rport
3448 * discovery with the fabric. Instead, we will retrieve the
3449 * boot targets from HAL/FW.
3450 */
3451 if (__fcs_min_cfg(ns->port->fcs)) {
3452 bfa_fcs_lport_ns_boot_target_disc(ns->port);
3453 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
3454 return;
3455 }
3456
3457 /*
3458 * If the port role is Initiator Mode issue NS query.
3459 * If it is Target Mode, skip this and go to online.
3460 */
3461 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
3462 bfa_sm_set_state(ns,
3463 bfa_fcs_lport_ns_sm_sending_gid_ft);
3464 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3465 }
3466 /*
3467 * kick off mgmt srvr state machine
3468 */
3469 bfa_fcs_lport_ms_online(ns->port);
3470 break;
3471
3472 case NSSM_EVENT_RSP_ERROR:
3473 /*
3474 * Start timer for a delayed retry
3475 */
3476 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
3477 ns->port->stats.ns_retries++;
3478 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3479 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3480 BFA_FCS_RETRY_TIMEOUT);
3481 break;
3482
3483 case NSSM_EVENT_PORT_OFFLINE:
3484 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3485 bfa_fcxp_discard(ns->fcxp);
3486 break;
3487
3488 default:
3489 bfa_sm_fault(ns->port->fcs, event);
3490 }
3491 }
3492
3493 static void
3494 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3495 enum vport_ns_event event)
3496 {
3497 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3498 bfa_trc(ns->port->fcs, event);
3499
3500 switch (event) {
3501 case NSSM_EVENT_TIMEOUT:
3502 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
3503 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
3504 break;
3505
3506 case NSSM_EVENT_PORT_OFFLINE:
3507 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3508 bfa_timer_stop(&ns->timer);
3509 break;
3510
3511 default:
3512 bfa_sm_fault(ns->port->fcs, event);
3513 }
3514 }
3515 static void
3516 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3517 enum vport_ns_event event)
3518 {
3519 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3520 bfa_trc(ns->port->fcs, event);
3521
3522 switch (event) {
3523 case NSSM_EVENT_GIDFT_SENT:
3524 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
3525 break;
3526
3527 case NSSM_EVENT_PORT_OFFLINE:
3528 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3529 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3530 &ns->fcxp_wqe);
3531 break;
3532
3533 default:
3534 bfa_sm_fault(ns->port->fcs, event);
3535 }
3536 }
3537
3538 static void
3539 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3540 enum vport_ns_event event)
3541 {
3542 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3543 bfa_trc(ns->port->fcs, event);
3544
3545 switch (event) {
3546 case NSSM_EVENT_RSP_OK:
3547 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
3548 break;
3549
3550 case NSSM_EVENT_RSP_ERROR:
3551 /*
3552 * TBD: for certain reject codes, we don't need to retry
3553 */
3554 /*
3555 * Start timer for a delayed retry
3556 */
3557 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
3558 ns->port->stats.ns_retries++;
3559 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3560 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3561 BFA_FCS_RETRY_TIMEOUT);
3562 break;
3563
3564 case NSSM_EVENT_PORT_OFFLINE:
3565 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3566 bfa_fcxp_discard(ns->fcxp);
3567 break;
3568
3569 case NSSM_EVENT_NS_QUERY:
3570 break;
3571
3572 default:
3573 bfa_sm_fault(ns->port->fcs, event);
3574 }
3575 }
3576
3577 static void
3578 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3579 enum vport_ns_event event)
3580 {
3581 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3582 bfa_trc(ns->port->fcs, event);
3583
3584 switch (event) {
3585 case NSSM_EVENT_TIMEOUT:
3586 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
3587 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3588 break;
3589
3590 case NSSM_EVENT_PORT_OFFLINE:
3591 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3592 bfa_timer_stop(&ns->timer);
3593 break;
3594
3595 default:
3596 bfa_sm_fault(ns->port->fcs, event);
3597 }
3598 }
3599
3600 static void
3601 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3602 enum vport_ns_event event)
3603 {
3604 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3605 bfa_trc(ns->port->fcs, event);
3606
3607 switch (event) {
3608 case NSSM_EVENT_PORT_OFFLINE:
3609 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3610 break;
3611
3612 case NSSM_EVENT_NS_QUERY:
3613 /*
3614 * If the port role is Initiator Mode issue NS query.
3615 * If it is Target Mode, skip this and go to online.
3616 */
3617 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
3618 bfa_sm_set_state(ns,
3619 bfa_fcs_lport_ns_sm_sending_gid_ft);
3620 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3621 };
3622 break;
3623
3624 default:
3625 bfa_sm_fault(ns->port->fcs, event);
3626 }
3627 }
3628
3629
3630
3631 /**
3632 * ns_pvt Nameserver local functions
3633 */
3634
3635 static void
3636 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3637 {
3638 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3639 struct bfa_fcs_lport_s *port = ns->port;
3640 struct fchs_s fchs;
3641 int len;
3642 struct bfa_fcxp_s *fcxp;
3643
3644 bfa_trc(port->fcs, port->pid);
3645
3646 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3647 if (!fcxp) {
3648 port->stats.ns_plogi_alloc_wait++;
3649 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3650 bfa_fcs_lport_ns_send_plogi, ns);
3651 return;
3652 }
3653 ns->fcxp = fcxp;
3654
3655 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3656 bfa_os_hton3b(FC_NAME_SERVER),
3657 bfa_fcs_lport_get_fcid(port), 0,
3658 port->port_cfg.pwwn, port->port_cfg.nwwn,
3659 bfa_fcport_get_maxfrsize(port->fcs->bfa));
3660
3661 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3662 FC_CLASS_3, len, &fchs,
3663 bfa_fcs_lport_ns_plogi_response, (void *)ns,
3664 FC_MAX_PDUSZ, FC_ELS_TOV);
3665 port->stats.ns_plogi_sent++;
3666
3667 bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
3668 }
3669
3670 static void
3671 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3672 void *cbarg, bfa_status_t req_status, u32 rsp_len,
3673 u32 resid_len, struct fchs_s *rsp_fchs)
3674 {
3675 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3676 struct bfa_fcs_lport_s *port = ns->port;
3677 /* struct fc_logi_s *plogi_resp; */
3678 struct fc_els_cmd_s *els_cmd;
3679 struct fc_ls_rjt_s *ls_rjt;
3680
3681 bfa_trc(port->fcs, req_status);
3682 bfa_trc(port->fcs, port->port_cfg.pwwn);
3683
3684 /*
3685 * Sanity Checks
3686 */
3687 if (req_status != BFA_STATUS_OK) {
3688 bfa_trc(port->fcs, req_status);
3689 port->stats.ns_plogi_rsp_err++;
3690 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3691 return;
3692 }
3693
3694 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3695
3696 switch (els_cmd->els_code) {
3697
3698 case FC_ELS_ACC:
3699 if (rsp_len < sizeof(struct fc_logi_s)) {
3700 bfa_trc(port->fcs, rsp_len);
3701 port->stats.ns_plogi_acc_err++;
3702 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3703 break;
3704 }
3705 port->stats.ns_plogi_accepts++;
3706 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3707 break;
3708
3709 case FC_ELS_LS_RJT:
3710 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3711
3712 bfa_trc(port->fcs, ls_rjt->reason_code);
3713 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3714
3715 port->stats.ns_rejects++;
3716
3717 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3718 break;
3719
3720 default:
3721 port->stats.ns_plogi_unknown_rsp++;
3722 bfa_trc(port->fcs, els_cmd->els_code);
3723 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3724 }
3725 }
3726
3727 /**
3728 * Register the symbolic port name.
3729 */
3730 static void
3731 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3732 {
3733 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3734 struct bfa_fcs_lport_s *port = ns->port;
3735 struct fchs_s fchs;
3736 int len;
3737 struct bfa_fcxp_s *fcxp;
3738 u8 symbl[256];
3739 u8 *psymbl = &symbl[0];
3740
3741 bfa_os_memset(symbl, 0, sizeof(symbl));
3742
3743 bfa_trc(port->fcs, port->port_cfg.pwwn);
3744
3745 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3746 if (!fcxp) {
3747 port->stats.ns_rspnid_alloc_wait++;
3748 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3749 bfa_fcs_lport_ns_send_rspn_id, ns);
3750 return;
3751 }
3752 ns->fcxp = fcxp;
3753
3754 /*
3755 * for V-Port, form a Port Symbolic Name
3756 */
3757 if (port->vport) {
3758 /**
3759 * For Vports, we append the vport's port symbolic name
3760 * to that of the base port.
3761 */
3762
3763 strncpy((char *)psymbl,
3764 (char *) &
3765 (bfa_fcs_lport_get_psym_name
3766 (bfa_fcs_get_base_port(port->fcs))),
3767 strlen((char *) &
3768 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
3769 (port->fcs))));
3770
3771 /* Ensure we have a null terminating string. */
3772 ((char *)psymbl)[strlen((char *) &
3773 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
3774 (port->fcs)))] = 0;
3775 strncat((char *)psymbl,
3776 (char *) &(bfa_fcs_lport_get_psym_name(port)),
3777 strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
3778 } else {
3779 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
3780 }
3781
3782 len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3783 bfa_fcs_lport_get_fcid(port), 0, psymbl);
3784
3785 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3786 FC_CLASS_3, len, &fchs,
3787 bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
3788 FC_MAX_PDUSZ, FC_FCCT_TOV);
3789
3790 port->stats.ns_rspnid_sent++;
3791
3792 bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
3793 }
3794
3795 static void
3796 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3797 void *cbarg, bfa_status_t req_status,
3798 u32 rsp_len, u32 resid_len,
3799 struct fchs_s *rsp_fchs)
3800 {
3801 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3802 struct bfa_fcs_lport_s *port = ns->port;
3803 struct ct_hdr_s *cthdr = NULL;
3804
3805 bfa_trc(port->fcs, port->port_cfg.pwwn);
3806
3807 /*
3808 * Sanity Checks
3809 */
3810 if (req_status != BFA_STATUS_OK) {
3811 bfa_trc(port->fcs, req_status);
3812 port->stats.ns_rspnid_rsp_err++;
3813 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3814 return;
3815 }
3816
3817 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3818 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
3819
3820 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3821 port->stats.ns_rspnid_accepts++;
3822 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3823 return;
3824 }
3825
3826 port->stats.ns_rspnid_rejects++;
3827 bfa_trc(port->fcs, cthdr->reason_code);
3828 bfa_trc(port->fcs, cthdr->exp_code);
3829 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3830 }
3831
3832 /**
3833 * Register FC4-Types
3834 */
3835 static void
3836 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3837 {
3838 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3839 struct bfa_fcs_lport_s *port = ns->port;
3840 struct fchs_s fchs;
3841 int len;
3842 struct bfa_fcxp_s *fcxp;
3843
3844 bfa_trc(port->fcs, port->port_cfg.pwwn);
3845
3846 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3847 if (!fcxp) {
3848 port->stats.ns_rftid_alloc_wait++;
3849 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3850 bfa_fcs_lport_ns_send_rft_id, ns);
3851 return;
3852 }
3853 ns->fcxp = fcxp;
3854
3855 len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3856 bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
3857
3858 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3859 FC_CLASS_3, len, &fchs,
3860 bfa_fcs_lport_ns_rft_id_response, (void *)ns,
3861 FC_MAX_PDUSZ, FC_FCCT_TOV);
3862
3863 port->stats.ns_rftid_sent++;
3864 bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
3865 }
3866
3867 static void
3868 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3869 void *cbarg, bfa_status_t req_status,
3870 u32 rsp_len, u32 resid_len,
3871 struct fchs_s *rsp_fchs)
3872 {
3873 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3874 struct bfa_fcs_lport_s *port = ns->port;
3875 struct ct_hdr_s *cthdr = NULL;
3876
3877 bfa_trc(port->fcs, port->port_cfg.pwwn);
3878
3879 /*
3880 * Sanity Checks
3881 */
3882 if (req_status != BFA_STATUS_OK) {
3883 bfa_trc(port->fcs, req_status);
3884 port->stats.ns_rftid_rsp_err++;
3885 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3886 return;
3887 }
3888
3889 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3890 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
3891
3892 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3893 port->stats.ns_rftid_accepts++;
3894 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3895 return;
3896 }
3897
3898 port->stats.ns_rftid_rejects++;
3899 bfa_trc(port->fcs, cthdr->reason_code);
3900 bfa_trc(port->fcs, cthdr->exp_code);
3901 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3902 }
3903
3904 /**
3905 * Register FC4-Features : Should be done after RFT_ID
3906 */
3907 static void
3908 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3909 {
3910 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3911 struct bfa_fcs_lport_s *port = ns->port;
3912 struct fchs_s fchs;
3913 int len;
3914 struct bfa_fcxp_s *fcxp;
3915 u8 fc4_ftrs = 0;
3916
3917 bfa_trc(port->fcs, port->port_cfg.pwwn);
3918
3919 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3920 if (!fcxp) {
3921 port->stats.ns_rffid_alloc_wait++;
3922 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3923 bfa_fcs_lport_ns_send_rff_id, ns);
3924 return;
3925 }
3926 ns->fcxp = fcxp;
3927
3928 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
3929 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
3930
3931 len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3932 bfa_fcs_lport_get_fcid(port), 0,
3933 FC_TYPE_FCP, fc4_ftrs);
3934
3935 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3936 FC_CLASS_3, len, &fchs,
3937 bfa_fcs_lport_ns_rff_id_response, (void *)ns,
3938 FC_MAX_PDUSZ, FC_FCCT_TOV);
3939
3940 port->stats.ns_rffid_sent++;
3941 bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
3942 }
3943
3944 static void
3945 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3946 void *cbarg, bfa_status_t req_status,
3947 u32 rsp_len, u32 resid_len,
3948 struct fchs_s *rsp_fchs)
3949 {
3950 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3951 struct bfa_fcs_lport_s *port = ns->port;
3952 struct ct_hdr_s *cthdr = NULL;
3953
3954 bfa_trc(port->fcs, port->port_cfg.pwwn);
3955
3956 /*
3957 * Sanity Checks
3958 */
3959 if (req_status != BFA_STATUS_OK) {
3960 bfa_trc(port->fcs, req_status);
3961 port->stats.ns_rffid_rsp_err++;
3962 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3963 return;
3964 }
3965
3966 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3967 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
3968
3969 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3970 port->stats.ns_rffid_accepts++;
3971 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3972 return;
3973 }
3974
3975 port->stats.ns_rffid_rejects++;
3976 bfa_trc(port->fcs, cthdr->reason_code);
3977 bfa_trc(port->fcs, cthdr->exp_code);
3978
3979 if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
3980 /* if this command is not supported, we don't retry */
3981 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3982 } else
3983 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3984 }
3985 /**
3986 * Query Fabric for FC4-Types Devices.
3987 *
3988 * TBD : Need to use a local (FCS private) response buffer, since the response
3989 * can be larger than 2K.
3990 */
3991 static void
3992 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3993 {
3994 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3995 struct bfa_fcs_lport_s *port = ns->port;
3996 struct fchs_s fchs;
3997 int len;
3998 struct bfa_fcxp_s *fcxp;
3999
4000 bfa_trc(port->fcs, port->pid);
4001
4002 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
4003 if (!fcxp) {
4004 port->stats.ns_gidft_alloc_wait++;
4005 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4006 bfa_fcs_lport_ns_send_gid_ft, ns);
4007 return;
4008 }
4009 ns->fcxp = fcxp;
4010
4011 /*
4012 * This query is only initiated for FCP initiator mode.
4013 */
4014 len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4015 ns->port->pid, FC_TYPE_FCP);
4016
4017 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4018 FC_CLASS_3, len, &fchs,
4019 bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4020 bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4021
4022 port->stats.ns_gidft_sent++;
4023
4024 bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4025 }
4026
4027 static void
4028 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4029 void *cbarg, bfa_status_t req_status,
4030 u32 rsp_len, u32 resid_len,
4031 struct fchs_s *rsp_fchs)
4032 {
4033 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4034 struct bfa_fcs_lport_s *port = ns->port;
4035 struct ct_hdr_s *cthdr = NULL;
4036 u32 n_pids;
4037
4038 bfa_trc(port->fcs, port->port_cfg.pwwn);
4039
4040 /*
4041 * Sanity Checks
4042 */
4043 if (req_status != BFA_STATUS_OK) {
4044 bfa_trc(port->fcs, req_status);
4045 port->stats.ns_gidft_rsp_err++;
4046 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4047 return;
4048 }
4049
4050 if (resid_len != 0) {
4051 /*
4052 * TBD : we will need to allocate a larger buffer & retry the
4053 * command
4054 */
4055 bfa_trc(port->fcs, rsp_len);
4056 bfa_trc(port->fcs, resid_len);
4057 return;
4058 }
4059
4060 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4061 cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
4062
4063 switch (cthdr->cmd_rsp_code) {
4064
4065 case CT_RSP_ACCEPT:
4066
4067 port->stats.ns_gidft_accepts++;
4068 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4069 bfa_trc(port->fcs, n_pids);
4070 bfa_fcs_lport_ns_process_gidft_pids(port,
4071 (u32 *) (cthdr + 1),
4072 n_pids);
4073 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4074 break;
4075
4076 case CT_RSP_REJECT:
4077
4078 /*
4079 * Check the reason code & explanation.
4080 * There may not have been any FC4 devices in the fabric
4081 */
4082 port->stats.ns_gidft_rejects++;
4083 bfa_trc(port->fcs, cthdr->reason_code);
4084 bfa_trc(port->fcs, cthdr->exp_code);
4085
4086 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4087 && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4088
4089 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4090 } else {
4091 /*
4092 * for all other errors, retry
4093 */
4094 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4095 }
4096 break;
4097
4098 default:
4099 port->stats.ns_gidft_unknown_rsp++;
4100 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
4101 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4102 }
4103 }
4104
4105 /**
4106 * This routine will be called by bfa_timer on timer timeouts.
4107 *
4108 * param[in] port - pointer to bfa_fcs_lport_t.
4109 *
4110 * return
4111 * void
4112 *
4113 * Special Considerations:
4114 *
4115 * note
4116 */
4117 static void
4118 bfa_fcs_lport_ns_timeout(void *arg)
4119 {
4120 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
4121
4122 ns->port->stats.ns_timeouts++;
4123 bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
4124 }
4125
4126 /*
4127 * Process the PID list in GID_FT response
4128 */
4129 static void
4130 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
4131 u32 n_pids)
4132 {
4133 struct fcgs_gidft_resp_s *gidft_entry;
4134 struct bfa_fcs_rport_s *rport;
4135 u32 ii;
4136
4137 for (ii = 0; ii < n_pids; ii++) {
4138 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
4139
4140 if (gidft_entry->pid == port->pid)
4141 continue;
4142
4143 /*
4144 * Check if this rport already exists
4145 */
4146 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
4147 if (rport == NULL) {
4148 /*
4149 * this is a new device. create rport
4150 */
4151 rport = bfa_fcs_rport_create(port, gidft_entry->pid);
4152 } else {
4153 /*
4154 * this rport already exists
4155 */
4156 bfa_fcs_rport_scn(rport);
4157 }
4158
4159 bfa_trc(port->fcs, gidft_entry->pid);
4160
4161 /*
4162 * if the last entry bit is set, bail out.
4163 */
4164 if (gidft_entry->last)
4165 return;
4166 }
4167 }
4168
4169 /**
4170 * fcs_ns_public FCS nameserver public interfaces
4171 */
4172
4173 /*
4174 * Functions called by port/fab.
4175 * These will send relevant Events to the ns state machine.
4176 */
4177 void
4178 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
4179 {
4180 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4181
4182 ns->port = port;
4183 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4184 }
4185
4186 void
4187 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
4188 {
4189 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4190
4191 ns->port = port;
4192 bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
4193 }
4194
4195 void
4196 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
4197 {
4198 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4199
4200 ns->port = port;
4201 bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
4202 }
4203
4204 void
4205 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
4206 {
4207 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4208
4209 bfa_trc(port->fcs, port->pid);
4210 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
4211 }
4212
4213 void
4214 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
4215 {
4216
4217 struct bfa_fcs_rport_s *rport;
4218 u8 nwwns;
4219 wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
4220 int ii;
4221
4222 bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
4223
4224 for (ii = 0 ; ii < nwwns; ++ii) {
4225 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
4226 bfa_assert(rport);
4227 }
4228 }
4229
4230 /**
4231 * FCS SCN
4232 */
4233
4234 #define FC_QOS_RSCN_EVENT 0x0c
4235 #define FC_FABRIC_NAME_RSCN_EVENT 0x0d
4236
4237 /*
4238 * forward declarations
4239 */
4240 static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
4241 struct bfa_fcxp_s *fcxp_alloced);
4242 static void bfa_fcs_lport_scn_scr_response(void *fcsarg,
4243 struct bfa_fcxp_s *fcxp,
4244 void *cbarg,
4245 bfa_status_t req_status,
4246 u32 rsp_len,
4247 u32 resid_len,
4248 struct fchs_s *rsp_fchs);
4249 static void bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
4250 struct fchs_s *rx_fchs);
4251 static void bfa_fcs_lport_scn_timeout(void *arg);
4252
4253 /**
4254 * fcs_scm_sm FCS SCN state machine
4255 */
4256
4257 /**
4258 * VPort SCN State Machine events
4259 */
4260 enum port_scn_event {
4261 SCNSM_EVENT_PORT_ONLINE = 1,
4262 SCNSM_EVENT_PORT_OFFLINE = 2,
4263 SCNSM_EVENT_RSP_OK = 3,
4264 SCNSM_EVENT_RSP_ERROR = 4,
4265 SCNSM_EVENT_TIMEOUT = 5,
4266 SCNSM_EVENT_SCR_SENT = 6,
4267 };
4268
4269 static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
4270 enum port_scn_event event);
4271 static void bfa_fcs_lport_scn_sm_sending_scr(
4272 struct bfa_fcs_lport_scn_s *scn,
4273 enum port_scn_event event);
4274 static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
4275 enum port_scn_event event);
4276 static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
4277 enum port_scn_event event);
4278 static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
4279 enum port_scn_event event);
4280
4281 /**
4282 * Starting state - awaiting link up.
4283 */
4284 static void
4285 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
4286 enum port_scn_event event)
4287 {
4288 switch (event) {
4289 case SCNSM_EVENT_PORT_ONLINE:
4290 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
4291 bfa_fcs_lport_scn_send_scr(scn, NULL);
4292 break;
4293
4294 case SCNSM_EVENT_PORT_OFFLINE:
4295 break;
4296
4297 default:
4298 bfa_sm_fault(scn->port->fcs, event);
4299 }
4300 }
4301
4302 static void
4303 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
4304 enum port_scn_event event)
4305 {
4306 switch (event) {
4307 case SCNSM_EVENT_SCR_SENT:
4308 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
4309 break;
4310
4311 case SCNSM_EVENT_PORT_OFFLINE:
4312 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4313 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
4314 break;
4315
4316 default:
4317 bfa_sm_fault(scn->port->fcs, event);
4318 }
4319 }
4320
4321 static void
4322 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
4323 enum port_scn_event event)
4324 {
4325 struct bfa_fcs_lport_s *port = scn->port;
4326
4327 switch (event) {
4328 case SCNSM_EVENT_RSP_OK:
4329 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
4330 break;
4331
4332 case SCNSM_EVENT_RSP_ERROR:
4333 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
4334 bfa_timer_start(port->fcs->bfa, &scn->timer,
4335 bfa_fcs_lport_scn_timeout, scn,
4336 BFA_FCS_RETRY_TIMEOUT);
4337 break;
4338
4339 case SCNSM_EVENT_PORT_OFFLINE:
4340 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4341 bfa_fcxp_discard(scn->fcxp);
4342 break;
4343
4344 default:
4345 bfa_sm_fault(port->fcs, event);
4346 }
4347 }
4348
4349 static void
4350 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
4351 enum port_scn_event event)
4352 {
4353 switch (event) {
4354 case SCNSM_EVENT_TIMEOUT:
4355 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
4356 bfa_fcs_lport_scn_send_scr(scn, NULL);
4357 break;
4358
4359 case SCNSM_EVENT_PORT_OFFLINE:
4360 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4361 bfa_timer_stop(&scn->timer);
4362 break;
4363
4364 default:
4365 bfa_sm_fault(scn->port->fcs, event);
4366 }
4367 }
4368
4369 static void
4370 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
4371 enum port_scn_event event)
4372 {
4373 switch (event) {
4374 case SCNSM_EVENT_PORT_OFFLINE:
4375 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4376 break;
4377
4378 default:
4379 bfa_sm_fault(scn->port->fcs, event);
4380 }
4381 }
4382
4383
4384
4385 /**
4386 * fcs_scn_private FCS SCN private functions
4387 */
4388
4389 /**
4390 * This routine will be called to send a SCR command.
4391 */
4392 static void
4393 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4394 {
4395 struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
4396 struct bfa_fcs_lport_s *port = scn->port;
4397 struct fchs_s fchs;
4398 int len;
4399 struct bfa_fcxp_s *fcxp;
4400
4401 bfa_trc(port->fcs, port->pid);
4402 bfa_trc(port->fcs, port->port_cfg.pwwn);
4403
4404 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
4405 if (!fcxp) {
4406 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
4407 bfa_fcs_lport_scn_send_scr, scn);
4408 return;
4409 }
4410 scn->fcxp = fcxp;
4411
4412 /* Handle VU registrations for Base port only */
4413 if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
4414 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4415 bfa_lps_is_brcd_fabric(port->fabric->lps),
4416 port->pid, 0);
4417 } else {
4418 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4419 BFA_FALSE,
4420 port->pid, 0);
4421 }
4422
4423 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4424 FC_CLASS_3, len, &fchs,
4425 bfa_fcs_lport_scn_scr_response,
4426 (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
4427
4428 bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
4429 }
4430
4431 static void
4432 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4433 void *cbarg, bfa_status_t req_status, u32 rsp_len,
4434 u32 resid_len, struct fchs_s *rsp_fchs)
4435 {
4436 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
4437 struct bfa_fcs_lport_s *port = scn->port;
4438 struct fc_els_cmd_s *els_cmd;
4439 struct fc_ls_rjt_s *ls_rjt;
4440
4441 bfa_trc(port->fcs, port->port_cfg.pwwn);
4442
4443 /*
4444 * Sanity Checks
4445 */
4446 if (req_status != BFA_STATUS_OK) {
4447 bfa_trc(port->fcs, req_status);
4448 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
4449 return;
4450 }
4451
4452 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4453
4454 switch (els_cmd->els_code) {
4455
4456 case FC_ELS_ACC:
4457 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
4458 break;
4459
4460 case FC_ELS_LS_RJT:
4461
4462 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4463
4464 bfa_trc(port->fcs, ls_rjt->reason_code);
4465 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4466
4467 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
4468 break;
4469
4470 default:
4471 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
4472 }
4473 }
4474
4475 /*
4476 * Send a LS Accept
4477 */
4478 static void
4479 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
4480 struct fchs_s *rx_fchs)
4481 {
4482 struct fchs_s fchs;
4483 struct bfa_fcxp_s *fcxp;
4484 struct bfa_rport_s *bfa_rport = NULL;
4485 int len;
4486
4487 bfa_trc(port->fcs, rx_fchs->s_id);
4488
4489 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
4490 if (!fcxp)
4491 return;
4492
4493 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4494 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
4495 rx_fchs->ox_id);
4496
4497 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
4498 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
4499 FC_MAX_PDUSZ, 0);
4500 }
4501
4502 /**
4503 * This routine will be called by bfa_timer on timer timeouts.
4504 *
4505 * param[in] vport - pointer to bfa_fcs_lport_t.
4506 * param[out] vport_status - pointer to return vport status in
4507 *
4508 * return
4509 * void
4510 *
4511 * Special Considerations:
4512 *
4513 * note
4514 */
4515 static void
4516 bfa_fcs_lport_scn_timeout(void *arg)
4517 {
4518 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
4519
4520 bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
4521 }
4522
4523
4524
4525 /**
4526 * fcs_scn_public FCS state change notification public interfaces
4527 */
4528
4529 /*
4530 * Functions called by port/fab
4531 */
4532 void
4533 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
4534 {
4535 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
4536
4537 scn->port = port;
4538 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4539 }
4540
4541 void
4542 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
4543 {
4544 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
4545
4546 scn->port = port;
4547 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
4548 }
4549
4550 void
4551 bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *port)
4552 {
4553 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
4554
4555 scn->port = port;
4556 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
4557 }
4558
4559 static void
4560 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
4561 {
4562 struct bfa_fcs_rport_s *rport;
4563
4564 bfa_trc(port->fcs, rpid);
4565
4566 /**
4567 * If this is an unknown device, then it just came online.
4568 * Otherwise let rport handle the RSCN event.
4569 */
4570 rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
4571 if (rport == NULL) {
4572 /*
4573 * If min cfg mode is enabled, we donot need to
4574 * discover any new rports.
4575 */
4576 if (!__fcs_min_cfg(port->fcs))
4577 rport = bfa_fcs_rport_create(port, rpid);
4578 } else
4579 bfa_fcs_rport_scn(rport);
4580 }
4581
4582 /**
4583 * rscn format based PID comparison
4584 */
4585 #define __fc_pid_match(__c0, __c1, __fmt) \
4586 (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \
4587 (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \
4588 ((__c0)[0] == (__c1)[0])) || \
4589 (((__fmt) == FC_RSCN_FORMAT_AREA) && \
4590 ((__c0)[0] == (__c1)[0]) && \
4591 ((__c0)[1] == (__c1)[1])))
4592
4593 static void
4594 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
4595 enum fc_rscn_format format,
4596 u32 rscn_pid)
4597 {
4598 struct bfa_fcs_rport_s *rport;
4599 struct list_head *qe, *qe_next;
4600 u8 *c0, *c1;
4601
4602 bfa_trc(port->fcs, format);
4603 bfa_trc(port->fcs, rscn_pid);
4604
4605 c0 = (u8 *) &rscn_pid;
4606
4607 list_for_each_safe(qe, qe_next, &port->rport_q) {
4608 rport = (struct bfa_fcs_rport_s *) qe;
4609 c1 = (u8 *) &rport->pid;
4610 if (__fc_pid_match(c0, c1, format))
4611 bfa_fcs_rport_scn(rport);
4612 }
4613 }
4614
4615
4616 void
4617 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
4618 struct fchs_s *fchs, u32 len)
4619 {
4620 struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
4621 int num_entries;
4622 u32 rscn_pid;
4623 bfa_boolean_t nsquery = BFA_FALSE, found;
4624 int i = 0, j;
4625
4626 num_entries =
4627 (bfa_os_ntohs(rscn->payldlen) -
4628 sizeof(u32)) / sizeof(rscn->event[0]);
4629
4630 bfa_trc(port->fcs, num_entries);
4631
4632 port->stats.num_rscn++;
4633
4634 bfa_fcs_lport_scn_send_ls_acc(port, fchs);
4635
4636 for (i = 0; i < num_entries; i++) {
4637 rscn_pid = rscn->event[i].portid;
4638
4639 bfa_trc(port->fcs, rscn->event[i].format);
4640 bfa_trc(port->fcs, rscn_pid);
4641
4642 /* check for duplicate entries in the list */
4643 found = BFA_FALSE;
4644 for (j = 0; j < i; j++) {
4645 if (rscn->event[j].portid == rscn_pid) {
4646 found = BFA_TRUE;
4647 break;
4648 }
4649 }
4650
4651 /* if found in down the list, pid has been already processed */
4652 if (found) {
4653 bfa_trc(port->fcs, rscn_pid);
4654 continue;
4655 }
4656
4657 switch (rscn->event[i].format) {
4658 case FC_RSCN_FORMAT_PORTID:
4659 if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
4660 /*
4661 * Ignore this event.
4662 * f/w would have processed it
4663 */
4664 bfa_trc(port->fcs, rscn_pid);
4665 } else {
4666 port->stats.num_portid_rscn++;
4667 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
4668 }
4669 break;
4670
4671 case FC_RSCN_FORMAT_FABRIC:
4672 if (rscn->event[i].qualifier ==
4673 FC_FABRIC_NAME_RSCN_EVENT) {
4674 bfa_fcs_lport_ms_fabric_rscn(port);
4675 break;
4676 }
4677 /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
4678
4679 case FC_RSCN_FORMAT_AREA:
4680 case FC_RSCN_FORMAT_DOMAIN:
4681 nsquery = BFA_TRUE;
4682 bfa_fcs_lport_scn_multiport_rscn(port,
4683 rscn->event[i].format,
4684 rscn_pid);
4685 break;
4686
4687
4688 default:
4689 bfa_assert(0);
4690 nsquery = BFA_TRUE;
4691 }
4692 }
4693
4694 /**
4695 * If any of area, domain or fabric RSCN is received, do a fresh discovery
4696 * to find new devices.
4697 */
4698 if (nsquery)
4699 bfa_fcs_lport_ns_query(port);
4700 }
4701
4702 /**
4703 * BFA FCS port
4704 */
4705 /**
4706 * fcs_port_api BFA FCS port API
4707 */
4708 struct bfa_fcs_lport_s *
4709 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
4710 {
4711 return &fcs->fabric.bport;
4712 }
4713
4714 wwn_t
4715 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
4716 int nrports, bfa_boolean_t bwwn)
4717 {
4718 struct list_head *qh, *qe;
4719 struct bfa_fcs_rport_s *rport = NULL;
4720 int i;
4721 struct bfa_fcs_s *fcs;
4722
4723 if (port == NULL || nrports == 0)
4724 return (wwn_t) 0;
4725
4726 fcs = port->fcs;
4727 bfa_trc(fcs, (u32) nrports);
4728
4729 i = 0;
4730 qh = &port->rport_q;
4731 qe = bfa_q_first(qh);
4732
4733 while ((qe != qh) && (i < nrports)) {
4734 rport = (struct bfa_fcs_rport_s *) qe;
4735 if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) {
4736 qe = bfa_q_next(qe);
4737 bfa_trc(fcs, (u32) rport->pwwn);
4738 bfa_trc(fcs, rport->pid);
4739 bfa_trc(fcs, i);
4740 continue;
4741 }
4742
4743 if (bwwn) {
4744 if (!memcmp(&wwn, &rport->pwwn, 8))
4745 break;
4746 } else {
4747 if (i == index)
4748 break;
4749 }
4750
4751 i++;
4752 qe = bfa_q_next(qe);
4753 }
4754
4755 bfa_trc(fcs, i);
4756 if (rport)
4757 return rport->pwwn;
4758 else
4759 return (wwn_t) 0;
4760 }
4761
4762 void
4763 bfa_fcs_lport_get_rports(struct bfa_fcs_lport_s *port,
4764 wwn_t rport_wwns[], int *nrports)
4765 {
4766 struct list_head *qh, *qe;
4767 struct bfa_fcs_rport_s *rport = NULL;
4768 int i;
4769 struct bfa_fcs_s *fcs;
4770
4771 if (port == NULL || rport_wwns == NULL || *nrports == 0)
4772 return;
4773
4774 fcs = port->fcs;
4775 bfa_trc(fcs, (u32) *nrports);
4776
4777 i = 0;
4778 qh = &port->rport_q;
4779 qe = bfa_q_first(qh);
4780
4781 while ((qe != qh) && (i < *nrports)) {
4782 rport = (struct bfa_fcs_rport_s *) qe;
4783 if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) {
4784 qe = bfa_q_next(qe);
4785 bfa_trc(fcs, (u32) rport->pwwn);
4786 bfa_trc(fcs, rport->pid);
4787 bfa_trc(fcs, i);
4788 continue;
4789 }
4790
4791 rport_wwns[i] = rport->pwwn;
4792
4793 i++;
4794 qe = bfa_q_next(qe);
4795 }
4796
4797 bfa_trc(fcs, i);
4798 *nrports = i;
4799 }
4800
4801 /*
4802 * Iterate's through all the rport's in the given port to
4803 * determine the maximum operating speed.
4804 *
4805 * !!!! To be used in TRL Functionality only !!!!
4806 */
4807 bfa_port_speed_t
4808 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
4809 {
4810 struct list_head *qh, *qe;
4811 struct bfa_fcs_rport_s *rport = NULL;
4812 struct bfa_fcs_s *fcs;
4813 bfa_port_speed_t max_speed = 0;
4814 struct bfa_port_attr_s port_attr;
4815 bfa_port_speed_t port_speed, rport_speed;
4816 bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
4817
4818
4819 if (port == NULL)
4820 return 0;
4821
4822 fcs = port->fcs;
4823
4824 /* Get Physical port's current speed */
4825 bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
4826 port_speed = port_attr.speed;
4827 bfa_trc(fcs, port_speed);
4828
4829 qh = &port->rport_q;
4830 qe = bfa_q_first(qh);
4831
4832 while (qe != qh) {
4833 rport = (struct bfa_fcs_rport_s *) qe;
4834 if ((bfa_os_ntoh3b(rport->pid) > 0xFFF000) ||
4835 (bfa_fcs_rport_get_state(rport) ==
4836 BFA_RPORT_OFFLINE)) {
4837 qe = bfa_q_next(qe);
4838 continue;
4839 }
4840
4841 rport_speed = rport->rpf.rpsc_speed;
4842 if ((trl_enabled) && (rport_speed ==
4843 BFA_PORT_SPEED_UNKNOWN)) {
4844 /* Use default ratelim speed setting */
4845 rport_speed =
4846 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
4847 }
4848
4849 if ((rport_speed == BFA_PORT_SPEED_8GBPS) ||
4850 (rport_speed > port_speed)) {
4851 max_speed = rport_speed;
4852 break;
4853 } else if (rport_speed > max_speed) {
4854 max_speed = rport_speed;
4855 }
4856
4857 qe = bfa_q_next(qe);
4858 }
4859
4860 bfa_trc(fcs, max_speed);
4861 return max_speed;
4862 }
4863
4864 struct bfa_fcs_lport_s *
4865 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
4866 {
4867 struct bfa_fcs_vport_s *vport;
4868 bfa_fcs_vf_t *vf;
4869
4870 bfa_assert(fcs != NULL);
4871
4872 vf = bfa_fcs_vf_lookup(fcs, vf_id);
4873 if (vf == NULL) {
4874 bfa_trc(fcs, vf_id);
4875 return NULL;
4876 }
4877
4878 if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
4879 return &vf->bport;
4880
4881 vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
4882 if (vport)
4883 return &vport->lport;
4884
4885 return NULL;
4886 }
4887
4888 /*
4889 * API corresponding to NPIV_VPORT_GETINFO.
4890 */
4891 void
4892 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
4893 struct bfa_lport_info_s *port_info)
4894 {
4895
4896 bfa_trc(port->fcs, port->fabric->fabric_name);
4897
4898 if (port->vport == NULL) {
4899 /*
4900 * This is a Physical port
4901 */
4902 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
4903
4904 /*
4905 * @todo : need to fix the state & reason
4906 */
4907 port_info->port_state = 0;
4908 port_info->offline_reason = 0;
4909
4910 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
4911 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
4912
4913 port_info->max_vports_supp =
4914 bfa_lps_get_max_vport(port->fcs->bfa);
4915 port_info->num_vports_inuse =
4916 bfa_fcs_fabric_vport_count(port->fabric);
4917 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
4918 port_info->num_rports_inuse = port->num_rports;
4919 } else {
4920 /*
4921 * This is a virtual port
4922 */
4923 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
4924
4925 /*
4926 * @todo : need to fix the state & reason
4927 */
4928 port_info->port_state = 0;
4929 port_info->offline_reason = 0;
4930
4931 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
4932 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
4933 }
4934 }
4935
4936 void
4937 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
4938 struct bfa_lport_stats_s *port_stats)
4939 {
4940 *port_stats = fcs_port->stats;
4941 }
4942
4943 void
4944 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
4945 {
4946 bfa_os_memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
4947 }
4948
4949 /**
4950 * FCS virtual port state machine
4951 */
4952
4953 #define __vport_fcs(__vp) ((__vp)->lport.fcs)
4954 #define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
4955 #define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
4956 #define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
4957 #define __vport_fcid(__vp) ((__vp)->lport.pid)
4958 #define __vport_fabric(__vp) ((__vp)->lport.fabric)
4959 #define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
4960
4961 #define BFA_FCS_VPORT_MAX_RETRIES 5
4962 /*
4963 * Forward declarations
4964 */
4965 static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
4966 static void bfa_fcs_vport_timeout(void *vport_arg);
4967 static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
4968 static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
4969
4970 /**
4971 * fcs_vport_sm FCS virtual port state machine
4972 */
4973
4974 /**
4975 * VPort State Machine events
4976 */
4977 enum bfa_fcs_vport_event {
4978 BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
4979 BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
4980 BFA_FCS_VPORT_SM_START = 3, /* vport start request */
4981 BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
4982 BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
4983 BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
4984 BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
4985 BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
4986 BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
4987 BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
4988 BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
4989 BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/
4990 BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
4991 };
4992
4993 static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
4994 enum bfa_fcs_vport_event event);
4995 static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
4996 enum bfa_fcs_vport_event event);
4997 static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
4998 enum bfa_fcs_vport_event event);
4999 static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
5000 enum bfa_fcs_vport_event event);
5001 static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
5002 enum bfa_fcs_vport_event event);
5003 static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
5004 enum bfa_fcs_vport_event event);
5005 static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
5006 enum bfa_fcs_vport_event event);
5007 static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
5008 enum bfa_fcs_vport_event event);
5009 static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
5010 enum bfa_fcs_vport_event event);
5011 static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
5012 enum bfa_fcs_vport_event event);
5013
5014 static struct bfa_sm_table_s vport_sm_table[] = {
5015 {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
5016 {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
5017 {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
5018 {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
5019 {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
5020 {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
5021 {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
5022 {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
5023 {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
5024 {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
5025 };
5026
5027 /**
5028 * Beginning state.
5029 */
5030 static void
5031 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5032 enum bfa_fcs_vport_event event)
5033 {
5034 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5035 bfa_trc(__vport_fcs(vport), event);
5036
5037 switch (event) {
5038 case BFA_FCS_VPORT_SM_CREATE:
5039 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
5040 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
5041 break;
5042
5043 default:
5044 bfa_sm_fault(__vport_fcs(vport), event);
5045 }
5046 }
5047
5048 /**
5049 * Created state - a start event is required to start up the state machine.
5050 */
5051 static void
5052 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5053 enum bfa_fcs_vport_event event)
5054 {
5055 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5056 bfa_trc(__vport_fcs(vport), event);
5057
5058 switch (event) {
5059 case BFA_FCS_VPORT_SM_START:
5060 if (bfa_fcs_fabric_is_online(__vport_fabric(vport))
5061 && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
5062 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5063 bfa_fcs_vport_do_fdisc(vport);
5064 } else {
5065 /**
5066 * Fabric is offline or not NPIV capable, stay in
5067 * offline state.
5068 */
5069 vport->vport_stats.fab_no_npiv++;
5070 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5071 }
5072 break;
5073
5074 case BFA_FCS_VPORT_SM_DELETE:
5075 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5076 bfa_fcs_lport_delete(&vport->lport);
5077 break;
5078
5079 case BFA_FCS_VPORT_SM_ONLINE:
5080 case BFA_FCS_VPORT_SM_OFFLINE:
5081 /**
5082 * Ignore ONLINE/OFFLINE events from fabric
5083 * till vport is started.
5084 */
5085 break;
5086
5087 default:
5088 bfa_sm_fault(__vport_fcs(vport), event);
5089 }
5090 }
5091
5092 /**
5093 * Offline state - awaiting ONLINE event from fabric SM.
5094 */
5095 static void
5096 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5097 enum bfa_fcs_vport_event event)
5098 {
5099 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5100 bfa_trc(__vport_fcs(vport), event);
5101
5102 switch (event) {
5103 case BFA_FCS_VPORT_SM_DELETE:
5104 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5105 bfa_fcs_lport_delete(&vport->lport);
5106 break;
5107
5108 case BFA_FCS_VPORT_SM_ONLINE:
5109 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5110 vport->fdisc_retries = 0;
5111 bfa_fcs_vport_do_fdisc(vport);
5112 break;
5113
5114 case BFA_FCS_VPORT_SM_OFFLINE:
5115 /*
5116 * This can happen if the vport couldn't be initialzied
5117 * due the fact that the npiv was not enabled on the switch.
5118 * In that case we will put the vport in offline state.
5119 * However, the link can go down and cause the this event to
5120 * be sent when we are already offline. Ignore it.
5121 */
5122 break;
5123
5124 default:
5125 bfa_sm_fault(__vport_fcs(vport), event);
5126 }
5127 }
5128
5129
5130 /**
5131 * FDISC is sent and awaiting reply from fabric.
5132 */
5133 static void
5134 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
5135 enum bfa_fcs_vport_event event)
5136 {
5137 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5138 bfa_trc(__vport_fcs(vport), event);
5139
5140 switch (event) {
5141 case BFA_FCS_VPORT_SM_DELETE:
5142 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5143 bfa_lps_discard(vport->lps);
5144 bfa_fcs_lport_delete(&vport->lport);
5145 break;
5146
5147 case BFA_FCS_VPORT_SM_OFFLINE:
5148 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5149 bfa_lps_discard(vport->lps);
5150 break;
5151
5152 case BFA_FCS_VPORT_SM_RSP_OK:
5153 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
5154 bfa_fcs_lport_online(&vport->lport);
5155 break;
5156
5157 case BFA_FCS_VPORT_SM_RSP_ERROR:
5158 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
5159 bfa_timer_start(__vport_bfa(vport), &vport->timer,
5160 bfa_fcs_vport_timeout, vport,
5161 BFA_FCS_RETRY_TIMEOUT);
5162 break;
5163
5164 case BFA_FCS_VPORT_SM_RSP_FAILED:
5165 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5166 break;
5167
5168 case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
5169 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
5170 break;
5171
5172 default:
5173 bfa_sm_fault(__vport_fcs(vport), event);
5174 }
5175 }
5176
5177 /**
5178 * FDISC attempt failed - a timer is active to retry FDISC.
5179 */
5180 static void
5181 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
5182 enum bfa_fcs_vport_event event)
5183 {
5184 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5185 bfa_trc(__vport_fcs(vport), event);
5186
5187 switch (event) {
5188 case BFA_FCS_VPORT_SM_DELETE:
5189 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5190 bfa_timer_stop(&vport->timer);
5191 bfa_fcs_lport_delete(&vport->lport);
5192 break;
5193
5194 case BFA_FCS_VPORT_SM_OFFLINE:
5195 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5196 bfa_timer_stop(&vport->timer);
5197 break;
5198
5199 case BFA_FCS_VPORT_SM_TIMEOUT:
5200 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5201 vport->vport_stats.fdisc_retries++;
5202 vport->fdisc_retries++;
5203 bfa_fcs_vport_do_fdisc(vport);
5204 break;
5205
5206 default:
5207 bfa_sm_fault(__vport_fcs(vport), event);
5208 }
5209 }
5210
5211 /**
5212 * Vport is online (FDISC is complete).
5213 */
5214 static void
5215 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
5216 enum bfa_fcs_vport_event event)
5217 {
5218 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5219 bfa_trc(__vport_fcs(vport), event);
5220
5221 switch (event) {
5222 case BFA_FCS_VPORT_SM_DELETE:
5223 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
5224 bfa_fcs_lport_delete(&vport->lport);
5225 break;
5226
5227 case BFA_FCS_VPORT_SM_OFFLINE:
5228 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5229 bfa_lps_discard(vport->lps);
5230 bfa_fcs_lport_offline(&vport->lport);
5231 break;
5232
5233 default:
5234 bfa_sm_fault(__vport_fcs(vport), event);
5235 }
5236 }
5237
5238 /**
5239 * Vport is being deleted - awaiting lport delete completion to send
5240 * LOGO to fabric.
5241 */
5242 static void
5243 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
5244 enum bfa_fcs_vport_event event)
5245 {
5246 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5247 bfa_trc(__vport_fcs(vport), event);
5248
5249 switch (event) {
5250 case BFA_FCS_VPORT_SM_DELETE:
5251 break;
5252
5253 case BFA_FCS_VPORT_SM_DELCOMP:
5254 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
5255 bfa_fcs_vport_do_logo(vport);
5256 break;
5257
5258 case BFA_FCS_VPORT_SM_OFFLINE:
5259 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5260 break;
5261
5262 default:
5263 bfa_sm_fault(__vport_fcs(vport), event);
5264 }
5265 }
5266
5267 /**
5268 * Error State.
5269 * This state will be set when the Vport Creation fails due
5270 * to errors like Dup WWN. In this state only operation allowed
5271 * is a Vport Delete.
5272 */
5273 static void
5274 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
5275 enum bfa_fcs_vport_event event)
5276 {
5277 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5278 bfa_trc(__vport_fcs(vport), event);
5279
5280 switch (event) {
5281 case BFA_FCS_VPORT_SM_DELETE:
5282 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5283 bfa_fcs_lport_delete(&vport->lport);
5284 break;
5285
5286 default:
5287 bfa_trc(__vport_fcs(vport), event);
5288 }
5289 }
5290
5291 /**
5292 * Lport cleanup is in progress since vport is being deleted. Fabric is
5293 * offline, so no LOGO is needed to complete vport deletion.
5294 */
5295 static void
5296 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
5297 enum bfa_fcs_vport_event event)
5298 {
5299 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5300 bfa_trc(__vport_fcs(vport), event);
5301
5302 switch (event) {
5303 case BFA_FCS_VPORT_SM_DELCOMP:
5304 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
5305 bfa_fcs_vport_free(vport);
5306 break;
5307
5308 case BFA_FCS_VPORT_SM_DELETE:
5309 break;
5310
5311 default:
5312 bfa_sm_fault(__vport_fcs(vport), event);
5313 }
5314 }
5315
5316 /**
5317 * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
5318 * is done.
5319 */
5320 static void
5321 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
5322 enum bfa_fcs_vport_event event)
5323 {
5324 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5325 bfa_trc(__vport_fcs(vport), event);
5326
5327 switch (event) {
5328 case BFA_FCS_VPORT_SM_OFFLINE:
5329 bfa_lps_discard(vport->lps);
5330 /*
5331 * !!! fall through !!!
5332 */
5333
5334 case BFA_FCS_VPORT_SM_RSP_OK:
5335 case BFA_FCS_VPORT_SM_RSP_ERROR:
5336 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
5337 bfa_fcs_vport_free(vport);
5338 break;
5339
5340 case BFA_FCS_VPORT_SM_DELETE:
5341 break;
5342
5343 default:
5344 bfa_sm_fault(__vport_fcs(vport), event);
5345 }
5346 }
5347
5348
5349
5350 /**
5351 * fcs_vport_private FCS virtual port private functions
5352 */
5353 /**
5354 * This routine will be called to send a FDISC command.
5355 */
5356 static void
5357 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
5358 {
5359 bfa_lps_fdisc(vport->lps, vport,
5360 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
5361 __vport_pwwn(vport), __vport_nwwn(vport));
5362 vport->vport_stats.fdisc_sent++;
5363 }
5364
5365 static void
5366 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
5367 {
5368 u8 lsrjt_rsn = bfa_lps_get_lsrjt_rsn(vport->lps);
5369 u8 lsrjt_expl = bfa_lps_get_lsrjt_expl(vport->lps);
5370
5371 bfa_trc(__vport_fcs(vport), lsrjt_rsn);
5372 bfa_trc(__vport_fcs(vport), lsrjt_expl);
5373
5374 /* For certain reason codes, we don't want to retry. */
5375 switch (bfa_lps_get_lsrjt_expl(vport->lps)) {
5376 case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
5377 case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
5378 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
5379 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5380 else
5381 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
5382 break;
5383
5384 case FC_LS_RJT_EXP_INSUFF_RES:
5385 /*
5386 * This means max logins per port/switch setting on the
5387 * switch was exceeded.
5388 */
5389 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
5390 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5391 else
5392 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
5393 break;
5394
5395 default:
5396 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5397 }
5398 }
5399
5400 /**
5401 * Called to send a logout to the fabric. Used when a V-Port is
5402 * deleted/stopped.
5403 */
5404 static void
5405 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
5406 {
5407 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5408
5409 vport->vport_stats.logo_sent++;
5410 bfa_lps_fdisclogo(vport->lps);
5411 }
5412
5413
5414 /**
5415 * This routine will be called by bfa_timer on timer timeouts.
5416 *
5417 * param[in] vport - pointer to bfa_fcs_vport_t.
5418 * param[out] vport_status - pointer to return vport status in
5419 *
5420 * return
5421 * void
5422 *
5423 * Special Considerations:
5424 *
5425 * note
5426 */
5427 static void
5428 bfa_fcs_vport_timeout(void *vport_arg)
5429 {
5430 struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
5431
5432 vport->vport_stats.fdisc_timeouts++;
5433 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
5434 }
5435
5436 static void
5437 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
5438 {
5439 struct bfad_vport_s *vport_drv =
5440 (struct bfad_vport_s *)vport->vport_drv;
5441
5442 bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
5443
5444 if (vport_drv->comp_del)
5445 complete(vport_drv->comp_del);
5446
5447 bfa_lps_delete(vport->lps);
5448 }
5449
5450
5451
5452 /**
5453 * fcs_vport_public FCS virtual port public interfaces
5454 */
5455
5456 /**
5457 * Online notification from fabric SM.
5458 */
5459 void
5460 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
5461 {
5462 vport->vport_stats.fab_online++;
5463 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
5464 }
5465
5466 /**
5467 * Offline notification from fabric SM.
5468 */
5469 void
5470 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
5471 {
5472 vport->vport_stats.fab_offline++;
5473 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
5474 }
5475
5476 /**
5477 * Cleanup notification from fabric SM on link timer expiry.
5478 */
5479 void
5480 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
5481 {
5482 vport->vport_stats.fab_cleanup++;
5483 }
5484 /**
5485 * delete notification from fabric SM. To be invoked from within FCS.
5486 */
5487 void
5488 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
5489 {
5490 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
5491 }
5492
5493 /**
5494 * Delete completion callback from associated lport
5495 */
5496 void
5497 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
5498 {
5499 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
5500 }
5501
5502
5503
5504 /**
5505 * fcs_vport_api Virtual port API
5506 */
5507
5508 /**
5509 * Use this function to instantiate a new FCS vport object. This
5510 * function will not trigger any HW initialization process (which will be
5511 * done in vport_start() call)
5512 *
5513 * param[in] vport - pointer to bfa_fcs_vport_t. This space
5514 * needs to be allocated by the driver.
5515 * param[in] fcs - FCS instance
5516 * param[in] vport_cfg - vport configuration
5517 * param[in] vf_id - VF_ID if vport is created within a VF.
5518 * FC_VF_ID_NULL to specify base fabric.
5519 * param[in] vport_drv - Opaque handle back to the driver's vport
5520 * structure
5521 *
5522 * retval BFA_STATUS_OK - on success.
5523 * retval BFA_STATUS_FAILED - on failure.
5524 */
5525 bfa_status_t
5526 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
5527 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
5528 struct bfad_vport_s *vport_drv)
5529 {
5530 if (vport_cfg->pwwn == 0)
5531 return BFA_STATUS_INVALID_WWN;
5532
5533 if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
5534 return BFA_STATUS_VPORT_WWN_BP;
5535
5536 if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
5537 return BFA_STATUS_VPORT_EXISTS;
5538
5539 if (bfa_fcs_fabric_vport_count(&fcs->fabric) ==
5540 bfa_lps_get_max_vport(fcs->bfa))
5541 return BFA_STATUS_VPORT_MAX;
5542
5543 vport->lps = bfa_lps_alloc(fcs->bfa);
5544 if (!vport->lps)
5545 return BFA_STATUS_VPORT_MAX;
5546
5547 vport->vport_drv = vport_drv;
5548 vport_cfg->preboot_vp = BFA_FALSE;
5549
5550 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
5551 bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
5552 bfa_fcs_lport_init(&vport->lport, vport_cfg);
5553 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
5554
5555 return BFA_STATUS_OK;
5556 }
5557
5558 /**
5559 * Use this function to instantiate a new FCS PBC vport object. This
5560 * function will not trigger any HW initialization process (which will be
5561 * done in vport_start() call)
5562 *
5563 * param[in] vport - pointer to bfa_fcs_vport_t. This space
5564 * needs to be allocated by the driver.
5565 * param[in] fcs - FCS instance
5566 * param[in] vport_cfg - vport configuration
5567 * param[in] vf_id - VF_ID if vport is created within a VF.
5568 * FC_VF_ID_NULL to specify base fabric.
5569 * param[in] vport_drv - Opaque handle back to the driver's vport
5570 * structure
5571 *
5572 * retval BFA_STATUS_OK - on success.
5573 * retval BFA_STATUS_FAILED - on failure.
5574 */
5575 bfa_status_t
5576 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
5577 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
5578 struct bfad_vport_s *vport_drv)
5579 {
5580 bfa_status_t rc;
5581
5582 rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
5583 vport->lport.port_cfg.preboot_vp = BFA_TRUE;
5584
5585 return rc;
5586 }
5587
5588 /**
5589 * Use this function to findout if this is a pbc vport or not.
5590 *
5591 * @param[in] vport - pointer to bfa_fcs_vport_t.
5592 *
5593 * @returns None
5594 */
5595 bfa_boolean_t
5596 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
5597 {
5598
5599 if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
5600 return BFA_TRUE;
5601 else
5602 return BFA_FALSE;
5603
5604 }
5605
5606 /**
5607 * Use this function initialize the vport.
5608 *
5609 * @param[in] vport - pointer to bfa_fcs_vport_t.
5610 *
5611 * @returns None
5612 */
5613 bfa_status_t
5614 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
5615 {
5616 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
5617
5618 return BFA_STATUS_OK;
5619 }
5620
5621 /**
5622 * Use this function quiese the vport object. This function will return
5623 * immediately, when the vport is actually stopped, the
5624 * bfa_drv_vport_stop_cb() will be called.
5625 *
5626 * param[in] vport - pointer to bfa_fcs_vport_t.
5627 *
5628 * return None
5629 */
5630 bfa_status_t
5631 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
5632 {
5633 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
5634
5635 return BFA_STATUS_OK;
5636 }
5637
5638 /**
5639 * Use this function to delete a vport object. Fabric object should
5640 * be stopped before this function call.
5641 *
5642 * !!!!!!! Donot invoke this from within FCS !!!!!!!
5643 *
5644 * param[in] vport - pointer to bfa_fcs_vport_t.
5645 *
5646 * return None
5647 */
5648 bfa_status_t
5649 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
5650 {
5651
5652 if (vport->lport.port_cfg.preboot_vp)
5653 return BFA_STATUS_PBC;
5654
5655 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
5656
5657 return BFA_STATUS_OK;
5658 }
5659
5660 /**
5661 * Use this function to get vport's current status info.
5662 *
5663 * param[in] vport pointer to bfa_fcs_vport_t.
5664 * param[out] attr pointer to return vport attributes
5665 *
5666 * return None
5667 */
5668 void
5669 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
5670 struct bfa_vport_attr_s *attr)
5671 {
5672 if (vport == NULL || attr == NULL)
5673 return;
5674
5675 bfa_os_memset(attr, 0, sizeof(struct bfa_vport_attr_s));
5676
5677 bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
5678 attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
5679 }
5680
5681 /**
5682 * Use this function to get vport's statistics.
5683 *
5684 * param[in] vport pointer to bfa_fcs_vport_t.
5685 * param[out] stats pointer to return vport statistics in
5686 *
5687 * return None
5688 */
5689 void
5690 bfa_fcs_vport_get_stats(struct bfa_fcs_vport_s *vport,
5691 struct bfa_vport_stats_s *stats)
5692 {
5693 *stats = vport->vport_stats;
5694 }
5695
5696 /**
5697 * Use this function to clear vport's statistics.
5698 *
5699 * param[in] vport pointer to bfa_fcs_vport_t.
5700 *
5701 * return None
5702 */
5703 void
5704 bfa_fcs_vport_clr_stats(struct bfa_fcs_vport_s *vport)
5705 {
5706 bfa_os_memset(&vport->vport_stats, 0, sizeof(struct bfa_vport_stats_s));
5707 }
5708
5709 /**
5710 * Lookup a virtual port. Excludes base port from lookup.
5711 */
5712 struct bfa_fcs_vport_s *
5713 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
5714 {
5715 struct bfa_fcs_vport_s *vport;
5716 struct bfa_fcs_fabric_s *fabric;
5717
5718 bfa_trc(fcs, vf_id);
5719 bfa_trc(fcs, vpwwn);
5720
5721 fabric = bfa_fcs_vf_lookup(fcs, vf_id);
5722 if (!fabric) {
5723 bfa_trc(fcs, vf_id);
5724 return NULL;
5725 }
5726
5727 vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
5728 return vport;
5729 }
5730
5731 /**
5732 * FDISC Response
5733 */
5734 void
5735 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
5736 {
5737 struct bfa_fcs_vport_s *vport = uarg;
5738
5739 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5740 bfa_trc(__vport_fcs(vport), status);
5741
5742 switch (status) {
5743 case BFA_STATUS_OK:
5744 /*
5745 * Initialize the V-Port fields
5746 */
5747 __vport_fcid(vport) = bfa_lps_get_pid(vport->lps);
5748 vport->vport_stats.fdisc_accepts++;
5749 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
5750 break;
5751
5752 case BFA_STATUS_INVALID_MAC:
5753 /* Only for CNA */
5754 vport->vport_stats.fdisc_acc_bad++;
5755 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5756
5757 break;
5758
5759 case BFA_STATUS_EPROTOCOL:
5760 switch (bfa_lps_get_extstatus(vport->lps)) {
5761 case BFA_EPROTO_BAD_ACCEPT:
5762 vport->vport_stats.fdisc_acc_bad++;
5763 break;
5764
5765 case BFA_EPROTO_UNKNOWN_RSP:
5766 vport->vport_stats.fdisc_unknown_rsp++;
5767 break;
5768
5769 default:
5770 break;
5771 }
5772
5773 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5774 break;
5775
5776 case BFA_STATUS_FABRIC_RJT:
5777 vport->vport_stats.fdisc_rejects++;
5778 bfa_fcs_vport_fdisc_rejected(vport);
5779 break;
5780
5781 default:
5782 vport->vport_stats.fdisc_rsp_err++;
5783 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5784 }
5785 }
5786
5787 /**
5788 * LOGO response
5789 */
5790 void
5791 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
5792 {
5793 struct bfa_fcs_vport_s *vport = uarg;
5794 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
5795 }
5796
5797 /**
5798 * Received clear virtual link
5799 */
5800 void
5801 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
5802 {
5803 struct bfa_fcs_vport_s *vport = uarg;
5804
5805 /* Send an Offline followed by an ONLINE */
5806 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
5807 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
5808 }
Linux kernel - Deliverables
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