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Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[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 #include "bfad_drv.h"
19 #include "bfad_im.h"
20 #include "bfa_fcs.h"
21 #include "bfa_fcbuild.h"
22 #include "bfa_fc.h"
23
24 BFA_TRC_FILE(FCS, PORT);
25
26 static void bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
27 struct fchs_s *rx_fchs, u8 reason_code,
28 u8 reason_code_expl);
29 static void bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
30 struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
31 static void bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
32 static void bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
33 static void bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
34 static void bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
35 static void bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
36 static void bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
37 static void bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
38 struct fchs_s *rx_fchs,
39 struct fc_echo_s *echo, u16 len);
40 static void bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
41 struct fchs_s *rx_fchs,
42 struct fc_rnid_cmd_s *rnid, u16 len);
43 static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
44 struct fc_rnid_general_topology_data_s *gen_topo_data);
45
46 static void bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
47 static void bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
48 static void bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
49
50 static void bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
51 static void bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
52 static void bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
53
54 static struct {
55 void (*init) (struct bfa_fcs_lport_s *port);
56 void (*online) (struct bfa_fcs_lport_s *port);
57 void (*offline) (struct bfa_fcs_lport_s *port);
58 } __port_action[] = {
59 {
60 bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
61 bfa_fcs_lport_unknown_offline}, {
62 bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
63 bfa_fcs_lport_fab_offline}, {
64 bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
65 bfa_fcs_lport_n2n_offline},
66 };
67
68 /*
69 * fcs_port_sm FCS logical port state machine
70 */
71
72 enum bfa_fcs_lport_event {
73 BFA_FCS_PORT_SM_CREATE = 1,
74 BFA_FCS_PORT_SM_ONLINE = 2,
75 BFA_FCS_PORT_SM_OFFLINE = 3,
76 BFA_FCS_PORT_SM_DELETE = 4,
77 BFA_FCS_PORT_SM_DELRPORT = 5,
78 BFA_FCS_PORT_SM_STOP = 6,
79 };
80
81 static void bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
82 enum bfa_fcs_lport_event event);
83 static void bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
84 enum bfa_fcs_lport_event event);
85 static void bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
86 enum bfa_fcs_lport_event event);
87 static void bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
88 enum bfa_fcs_lport_event event);
89 static void bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
90 enum bfa_fcs_lport_event event);
91 static void bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
92 enum bfa_fcs_lport_event event);
93
94 static void
95 bfa_fcs_lport_sm_uninit(
96 struct bfa_fcs_lport_s *port,
97 enum bfa_fcs_lport_event event)
98 {
99 bfa_trc(port->fcs, port->port_cfg.pwwn);
100 bfa_trc(port->fcs, event);
101
102 switch (event) {
103 case BFA_FCS_PORT_SM_CREATE:
104 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
105 break;
106
107 default:
108 bfa_sm_fault(port->fcs, event);
109 }
110 }
111
112 static void
113 bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
114 enum bfa_fcs_lport_event event)
115 {
116 bfa_trc(port->fcs, port->port_cfg.pwwn);
117 bfa_trc(port->fcs, event);
118
119 switch (event) {
120 case BFA_FCS_PORT_SM_ONLINE:
121 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
122 bfa_fcs_lport_online_actions(port);
123 break;
124
125 case BFA_FCS_PORT_SM_DELETE:
126 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
127 bfa_fcs_lport_deleted(port);
128 break;
129
130 case BFA_FCS_PORT_SM_STOP:
131 /* If vport - send completion call back */
132 if (port->vport)
133 bfa_fcs_vport_stop_comp(port->vport);
134 break;
135
136 case BFA_FCS_PORT_SM_OFFLINE:
137 break;
138
139 default:
140 bfa_sm_fault(port->fcs, event);
141 }
142 }
143
144 static void
145 bfa_fcs_lport_sm_online(
146 struct bfa_fcs_lport_s *port,
147 enum bfa_fcs_lport_event event)
148 {
149 struct bfa_fcs_rport_s *rport;
150 struct list_head *qe, *qen;
151
152 bfa_trc(port->fcs, port->port_cfg.pwwn);
153 bfa_trc(port->fcs, event);
154
155 switch (event) {
156 case BFA_FCS_PORT_SM_OFFLINE:
157 bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
158 bfa_fcs_lport_offline_actions(port);
159 break;
160
161 case BFA_FCS_PORT_SM_STOP:
162 __port_action[port->fabric->fab_type].offline(port);
163
164 if (port->num_rports == 0) {
165 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
166 /* If vport - send completion call back */
167 if (port->vport)
168 bfa_fcs_vport_stop_comp(port->vport);
169 } else {
170 bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
171 list_for_each_safe(qe, qen, &port->rport_q) {
172 rport = (struct bfa_fcs_rport_s *) qe;
173 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
174 }
175 }
176 break;
177
178 case BFA_FCS_PORT_SM_DELETE:
179
180 __port_action[port->fabric->fab_type].offline(port);
181
182 if (port->num_rports == 0) {
183 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
184 bfa_fcs_lport_deleted(port);
185 } else {
186 bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
187 list_for_each_safe(qe, qen, &port->rport_q) {
188 rport = (struct bfa_fcs_rport_s *) qe;
189 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
190 }
191 }
192 break;
193
194 case BFA_FCS_PORT_SM_DELRPORT:
195 break;
196
197 default:
198 bfa_sm_fault(port->fcs, event);
199 }
200 }
201
202 static void
203 bfa_fcs_lport_sm_offline(
204 struct bfa_fcs_lport_s *port,
205 enum bfa_fcs_lport_event event)
206 {
207 struct bfa_fcs_rport_s *rport;
208 struct list_head *qe, *qen;
209
210 bfa_trc(port->fcs, port->port_cfg.pwwn);
211 bfa_trc(port->fcs, event);
212
213 switch (event) {
214 case BFA_FCS_PORT_SM_ONLINE:
215 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
216 bfa_fcs_lport_online_actions(port);
217 break;
218
219 case BFA_FCS_PORT_SM_STOP:
220 if (port->num_rports == 0) {
221 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
222 /* If vport - send completion call back */
223 if (port->vport)
224 bfa_fcs_vport_stop_comp(port->vport);
225 } else {
226 bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
227 list_for_each_safe(qe, qen, &port->rport_q) {
228 rport = (struct bfa_fcs_rport_s *) qe;
229 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
230 }
231 }
232 break;
233
234 case BFA_FCS_PORT_SM_DELETE:
235 if (port->num_rports == 0) {
236 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
237 bfa_fcs_lport_deleted(port);
238 } else {
239 bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
240 list_for_each_safe(qe, qen, &port->rport_q) {
241 rport = (struct bfa_fcs_rport_s *) qe;
242 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
243 }
244 }
245 break;
246
247 case BFA_FCS_PORT_SM_DELRPORT:
248 case BFA_FCS_PORT_SM_OFFLINE:
249 break;
250
251 default:
252 bfa_sm_fault(port->fcs, event);
253 }
254 }
255
256 static void
257 bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
258 enum bfa_fcs_lport_event event)
259 {
260 bfa_trc(port->fcs, port->port_cfg.pwwn);
261 bfa_trc(port->fcs, event);
262
263 switch (event) {
264 case BFA_FCS_PORT_SM_DELRPORT:
265 if (port->num_rports == 0) {
266 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
267 /* If vport - send completion call back */
268 if (port->vport)
269 bfa_fcs_vport_stop_comp(port->vport);
270 }
271 break;
272
273 default:
274 bfa_sm_fault(port->fcs, event);
275 }
276 }
277
278 static void
279 bfa_fcs_lport_sm_deleting(
280 struct bfa_fcs_lport_s *port,
281 enum bfa_fcs_lport_event event)
282 {
283 bfa_trc(port->fcs, port->port_cfg.pwwn);
284 bfa_trc(port->fcs, event);
285
286 switch (event) {
287 case BFA_FCS_PORT_SM_DELRPORT:
288 if (port->num_rports == 0) {
289 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
290 bfa_fcs_lport_deleted(port);
291 }
292 break;
293
294 default:
295 bfa_sm_fault(port->fcs, event);
296 }
297 }
298
299 /*
300 * fcs_port_pvt
301 */
302
303 /*
304 * Send AEN notification
305 */
306 static void
307 bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
308 enum bfa_lport_aen_event event)
309 {
310 struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
311 struct bfa_aen_entry_s *aen_entry;
312
313 bfad_get_aen_entry(bfad, aen_entry);
314 if (!aen_entry)
315 return;
316
317 aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
318 aen_entry->aen_data.lport.roles = port->port_cfg.roles;
319 aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
320 bfa_fcs_get_base_port(port->fcs));
321 aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
322
323 /* Send the AEN notification */
324 bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
325 BFA_AEN_CAT_LPORT, event);
326 }
327
328 /*
329 * Send a LS reject
330 */
331 static void
332 bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
333 u8 reason_code, u8 reason_code_expl)
334 {
335 struct fchs_s fchs;
336 struct bfa_fcxp_s *fcxp;
337 struct bfa_rport_s *bfa_rport = NULL;
338 int len;
339
340 bfa_trc(port->fcs, rx_fchs->d_id);
341 bfa_trc(port->fcs, rx_fchs->s_id);
342
343 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
344 if (!fcxp)
345 return;
346
347 len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
348 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
349 rx_fchs->ox_id, reason_code, reason_code_expl);
350
351 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
352 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
353 FC_MAX_PDUSZ, 0);
354 }
355
356 /*
357 * Send a FCCT Reject
358 */
359 static void
360 bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port,
361 struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl)
362 {
363 struct fchs_s fchs;
364 struct bfa_fcxp_s *fcxp;
365 struct bfa_rport_s *bfa_rport = NULL;
366 int len;
367 struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
368 struct ct_hdr_s *ct_hdr;
369
370 bfa_trc(port->fcs, rx_fchs->d_id);
371 bfa_trc(port->fcs, rx_fchs->s_id);
372
373 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
374 if (!fcxp)
375 return;
376
377 ct_hdr = bfa_fcxp_get_reqbuf(fcxp);
378 ct_hdr->gs_type = rx_cthdr->gs_type;
379 ct_hdr->gs_sub_type = rx_cthdr->gs_sub_type;
380
381 len = fc_gs_rjt_build(&fchs, ct_hdr, rx_fchs->s_id,
382 bfa_fcs_lport_get_fcid(port),
383 rx_fchs->ox_id, reason_code, reason_code_expl);
384
385 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
386 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
387 FC_MAX_PDUSZ, 0);
388 }
389
390 /*
391 * Process incoming plogi from a remote port.
392 */
393 static void
394 bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
395 struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
396 {
397 struct bfa_fcs_rport_s *rport;
398
399 bfa_trc(port->fcs, rx_fchs->d_id);
400 bfa_trc(port->fcs, rx_fchs->s_id);
401
402 /*
403 * If min cfg mode is enabled, drop any incoming PLOGIs
404 */
405 if (__fcs_min_cfg(port->fcs)) {
406 bfa_trc(port->fcs, rx_fchs->s_id);
407 return;
408 }
409
410 if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
411 bfa_trc(port->fcs, rx_fchs->s_id);
412 /*
413 * send a LS reject
414 */
415 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
416 FC_LS_RJT_RSN_PROTOCOL_ERROR,
417 FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
418 return;
419 }
420
421 /*
422 * Direct Attach P2P mode : verify address assigned by the r-port.
423 */
424 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
425 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
426 (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
427 if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
428 /* Address assigned to us cannot be a WKA */
429 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
430 FC_LS_RJT_RSN_PROTOCOL_ERROR,
431 FC_LS_RJT_EXP_INVALID_NPORT_ID);
432 return;
433 }
434 port->pid = rx_fchs->d_id;
435 bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
436 }
437
438 /*
439 * First, check if we know the device by pwwn.
440 */
441 rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
442 if (rport) {
443 /*
444 * Direct Attach P2P mode : handle address assigned by r-port.
445 */
446 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
447 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
448 (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
449 port->pid = rx_fchs->d_id;
450 bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
451 rport->pid = rx_fchs->s_id;
452 }
453 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
454 return;
455 }
456
457 /*
458 * Next, lookup rport by PID.
459 */
460 rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
461 if (!rport) {
462 /*
463 * Inbound PLOGI from a new device.
464 */
465 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
466 return;
467 }
468
469 /*
470 * Rport is known only by PID.
471 */
472 if (rport->pwwn) {
473 /*
474 * This is a different device with the same pid. Old device
475 * disappeared. Send implicit LOGO to old device.
476 */
477 WARN_ON(rport->pwwn == plogi->port_name);
478 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
479
480 /*
481 * Inbound PLOGI from a new device (with old PID).
482 */
483 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
484 return;
485 }
486
487 /*
488 * PLOGI crossing each other.
489 */
490 WARN_ON(rport->pwwn != WWN_NULL);
491 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
492 }
493
494 /*
495 * Process incoming ECHO.
496 * Since it does not require a login, it is processed here.
497 */
498 static void
499 bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
500 struct fc_echo_s *echo, u16 rx_len)
501 {
502 struct fchs_s fchs;
503 struct bfa_fcxp_s *fcxp;
504 struct bfa_rport_s *bfa_rport = NULL;
505 int len, pyld_len;
506
507 bfa_trc(port->fcs, rx_fchs->s_id);
508 bfa_trc(port->fcs, rx_fchs->d_id);
509
510 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
511 if (!fcxp)
512 return;
513
514 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
515 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
516 rx_fchs->ox_id);
517
518 /*
519 * Copy the payload (if any) from the echo frame
520 */
521 pyld_len = rx_len - sizeof(struct fchs_s);
522 bfa_trc(port->fcs, rx_len);
523 bfa_trc(port->fcs, pyld_len);
524
525 if (pyld_len > len)
526 memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
527 sizeof(struct fc_echo_s), (echo + 1),
528 (pyld_len - sizeof(struct fc_echo_s)));
529
530 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
531 BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
532 FC_MAX_PDUSZ, 0);
533 }
534
535 /*
536 * Process incoming RNID.
537 * Since it does not require a login, it is processed here.
538 */
539 static void
540 bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
541 struct fc_rnid_cmd_s *rnid, u16 rx_len)
542 {
543 struct fc_rnid_common_id_data_s common_id_data;
544 struct fc_rnid_general_topology_data_s gen_topo_data;
545 struct fchs_s fchs;
546 struct bfa_fcxp_s *fcxp;
547 struct bfa_rport_s *bfa_rport = NULL;
548 u16 len;
549 u32 data_format;
550
551 bfa_trc(port->fcs, rx_fchs->s_id);
552 bfa_trc(port->fcs, rx_fchs->d_id);
553 bfa_trc(port->fcs, rx_len);
554
555 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
556 if (!fcxp)
557 return;
558
559 /*
560 * Check Node Indentification Data Format
561 * We only support General Topology Discovery Format.
562 * For any other requested Data Formats, we return Common Node Id Data
563 * only, as per FC-LS.
564 */
565 bfa_trc(port->fcs, rnid->node_id_data_format);
566 if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
567 data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
568 /*
569 * Get General topology data for this port
570 */
571 bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
572 } else {
573 data_format = RNID_NODEID_DATA_FORMAT_COMMON;
574 }
575
576 /*
577 * Copy the Node Id Info
578 */
579 common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
580 common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
581
582 len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
583 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
584 rx_fchs->ox_id, data_format, &common_id_data,
585 &gen_topo_data);
586
587 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
588 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
589 FC_MAX_PDUSZ, 0);
590 }
591
592 /*
593 * Fill out General Topolpgy Discovery Data for RNID ELS.
594 */
595 static void
596 bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
597 struct fc_rnid_general_topology_data_s *gen_topo_data)
598 {
599 memset(gen_topo_data, 0,
600 sizeof(struct fc_rnid_general_topology_data_s));
601
602 gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
603 gen_topo_data->phy_port_num = 0; /* @todo */
604 gen_topo_data->num_attached_nodes = cpu_to_be32(1);
605 }
606
607 static void
608 bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
609 {
610 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
611 char lpwwn_buf[BFA_STRING_32];
612
613 bfa_trc(port->fcs, port->fabric->oper_type);
614
615 __port_action[port->fabric->fab_type].init(port);
616 __port_action[port->fabric->fab_type].online(port);
617
618 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
619 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
620 "Logical port online: WWN = %s Role = %s\n",
621 lpwwn_buf, "Initiator");
622 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_ONLINE);
623
624 bfad->bfad_flags |= BFAD_PORT_ONLINE;
625 }
626
627 static void
628 bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
629 {
630 struct list_head *qe, *qen;
631 struct bfa_fcs_rport_s *rport;
632 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
633 char lpwwn_buf[BFA_STRING_32];
634
635 bfa_trc(port->fcs, port->fabric->oper_type);
636
637 __port_action[port->fabric->fab_type].offline(port);
638
639 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
640 if (bfa_sm_cmp_state(port->fabric,
641 bfa_fcs_fabric_sm_online) == BFA_TRUE) {
642 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
643 "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
644 lpwwn_buf, "Initiator");
645 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
646 } else {
647 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
648 "Logical port taken offline: WWN = %s Role = %s\n",
649 lpwwn_buf, "Initiator");
650 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_OFFLINE);
651 }
652
653 list_for_each_safe(qe, qen, &port->rport_q) {
654 rport = (struct bfa_fcs_rport_s *) qe;
655 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
656 }
657 }
658
659 static void
660 bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
661 {
662 WARN_ON(1);
663 }
664
665 static void
666 bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
667 {
668 WARN_ON(1);
669 }
670
671 static void
672 bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
673 {
674 WARN_ON(1);
675 }
676
677 static void
678 bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
679 {
680 struct fchs_s fchs;
681 struct bfa_fcxp_s *fcxp;
682 int len;
683
684 bfa_trc(port->fcs, rx_fchs->d_id);
685 bfa_trc(port->fcs, rx_fchs->s_id);
686
687 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
688 if (!fcxp)
689 return;
690
691 len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
692 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
693 rx_fchs->ox_id, 0);
694
695 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
696 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
697 FC_MAX_PDUSZ, 0);
698 }
699 static void
700 bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
701 {
702 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
703 char lpwwn_buf[BFA_STRING_32];
704
705 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
706 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
707 "Logical port deleted: WWN = %s Role = %s\n",
708 lpwwn_buf, "Initiator");
709 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DELETE);
710
711 /* Base port will be deleted by the OS driver */
712 if (port->vport)
713 bfa_fcs_vport_delete_comp(port->vport);
714 else
715 bfa_wc_down(&port->fabric->wc);
716 }
717
718
719 /*
720 * Unsolicited frame receive handling.
721 */
722 void
723 bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
724 struct fchs_s *fchs, u16 len)
725 {
726 u32 pid = fchs->s_id;
727 struct bfa_fcs_rport_s *rport = NULL;
728 struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
729
730 bfa_stats(lport, uf_recvs);
731 bfa_trc(lport->fcs, fchs->type);
732
733 if (!bfa_fcs_lport_is_online(lport)) {
734 bfa_stats(lport, uf_recv_drops);
735 return;
736 }
737
738 /*
739 * First, handle ELSs that donot require a login.
740 */
741 /*
742 * Handle PLOGI first
743 */
744 if ((fchs->type == FC_TYPE_ELS) &&
745 (els_cmd->els_code == FC_ELS_PLOGI)) {
746 bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
747 return;
748 }
749
750 /*
751 * Handle ECHO separately.
752 */
753 if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
754 bfa_fcs_lport_echo(lport, fchs,
755 (struct fc_echo_s *)els_cmd, len);
756 return;
757 }
758
759 /*
760 * Handle RNID separately.
761 */
762 if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
763 bfa_fcs_lport_rnid(lport, fchs,
764 (struct fc_rnid_cmd_s *) els_cmd, len);
765 return;
766 }
767
768 if (fchs->type == FC_TYPE_BLS) {
769 if ((fchs->routing == FC_RTG_BASIC_LINK) &&
770 (fchs->cat_info == FC_CAT_ABTS))
771 bfa_fcs_lport_abts_acc(lport, fchs);
772 return;
773 }
774
775 if (fchs->type == FC_TYPE_SERVICES) {
776 /*
777 * Unhandled FC-GS frames. Send a FC-CT Reject
778 */
779 bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
780 CT_NS_EXP_NOADDITIONAL);
781 return;
782 }
783
784 /*
785 * look for a matching remote port ID
786 */
787 rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
788 if (rport) {
789 bfa_trc(rport->fcs, fchs->s_id);
790 bfa_trc(rport->fcs, fchs->d_id);
791 bfa_trc(rport->fcs, fchs->type);
792
793 bfa_fcs_rport_uf_recv(rport, fchs, len);
794 return;
795 }
796
797 /*
798 * Only handles ELS frames for now.
799 */
800 if (fchs->type != FC_TYPE_ELS) {
801 bfa_trc(lport->fcs, fchs->s_id);
802 bfa_trc(lport->fcs, fchs->d_id);
803 /* ignore type FC_TYPE_FC_FSS */
804 if (fchs->type != FC_TYPE_FC_FSS)
805 bfa_sm_fault(lport->fcs, fchs->type);
806 return;
807 }
808
809 bfa_trc(lport->fcs, els_cmd->els_code);
810 if (els_cmd->els_code == FC_ELS_RSCN) {
811 bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
812 return;
813 }
814
815 if (els_cmd->els_code == FC_ELS_LOGO) {
816 /*
817 * @todo Handle LOGO frames received.
818 */
819 return;
820 }
821
822 if (els_cmd->els_code == FC_ELS_PRLI) {
823 /*
824 * @todo Handle PRLI frames received.
825 */
826 return;
827 }
828
829 /*
830 * Unhandled ELS frames. Send a LS_RJT.
831 */
832 bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
833 FC_LS_RJT_EXP_NO_ADDL_INFO);
834
835 }
836
837 /*
838 * PID based Lookup for a R-Port in the Port R-Port Queue
839 */
840 struct bfa_fcs_rport_s *
841 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
842 {
843 struct bfa_fcs_rport_s *rport;
844 struct list_head *qe;
845
846 list_for_each(qe, &port->rport_q) {
847 rport = (struct bfa_fcs_rport_s *) qe;
848 if (rport->pid == pid)
849 return rport;
850 }
851
852 bfa_trc(port->fcs, pid);
853 return NULL;
854 }
855
856 /*
857 * PWWN based Lookup for a R-Port in the Port R-Port Queue
858 */
859 struct bfa_fcs_rport_s *
860 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
861 {
862 struct bfa_fcs_rport_s *rport;
863 struct list_head *qe;
864
865 list_for_each(qe, &port->rport_q) {
866 rport = (struct bfa_fcs_rport_s *) qe;
867 if (wwn_is_equal(rport->pwwn, pwwn))
868 return rport;
869 }
870
871 bfa_trc(port->fcs, pwwn);
872 return NULL;
873 }
874
875 /*
876 * NWWN based Lookup for a R-Port in the Port R-Port Queue
877 */
878 struct bfa_fcs_rport_s *
879 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
880 {
881 struct bfa_fcs_rport_s *rport;
882 struct list_head *qe;
883
884 list_for_each(qe, &port->rport_q) {
885 rport = (struct bfa_fcs_rport_s *) qe;
886 if (wwn_is_equal(rport->nwwn, nwwn))
887 return rport;
888 }
889
890 bfa_trc(port->fcs, nwwn);
891 return NULL;
892 }
893
894 /*
895 * Called by rport module when new rports are discovered.
896 */
897 void
898 bfa_fcs_lport_add_rport(
899 struct bfa_fcs_lport_s *port,
900 struct bfa_fcs_rport_s *rport)
901 {
902 list_add_tail(&rport->qe, &port->rport_q);
903 port->num_rports++;
904 }
905
906 /*
907 * Called by rport module to when rports are deleted.
908 */
909 void
910 bfa_fcs_lport_del_rport(
911 struct bfa_fcs_lport_s *port,
912 struct bfa_fcs_rport_s *rport)
913 {
914 WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
915 list_del(&rport->qe);
916 port->num_rports--;
917
918 bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
919 }
920
921 /*
922 * Called by fabric for base port when fabric login is complete.
923 * Called by vport for virtual ports when FDISC is complete.
924 */
925 void
926 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
927 {
928 bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
929 }
930
931 /*
932 * Called by fabric for base port when fabric goes offline.
933 * Called by vport for virtual ports when virtual port becomes offline.
934 */
935 void
936 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
937 {
938 bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
939 }
940
941 /*
942 * Called by fabric to delete base lport and associated resources.
943 *
944 * Called by vport to delete lport and associated resources. Should call
945 * bfa_fcs_vport_delete_comp() for vports on completion.
946 */
947 void
948 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
949 {
950 bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
951 }
952
953 /*
954 * Return TRUE if port is online, else return FALSE
955 */
956 bfa_boolean_t
957 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
958 {
959 return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
960 }
961
962 /*
963 * Attach time initialization of logical ports.
964 */
965 void
966 bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
967 u16 vf_id, struct bfa_fcs_vport_s *vport)
968 {
969 lport->fcs = fcs;
970 lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
971 lport->vport = vport;
972 lport->lp_tag = (vport) ? vport->lps->bfa_tag :
973 lport->fabric->lps->bfa_tag;
974
975 INIT_LIST_HEAD(&lport->rport_q);
976 lport->num_rports = 0;
977 }
978
979 /*
980 * Logical port initialization of base or virtual port.
981 * Called by fabric for base port or by vport for virtual ports.
982 */
983
984 void
985 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
986 struct bfa_lport_cfg_s *port_cfg)
987 {
988 struct bfa_fcs_vport_s *vport = lport->vport;
989 struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
990 char lpwwn_buf[BFA_STRING_32];
991
992 lport->port_cfg = *port_cfg;
993
994 lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
995 lport->port_cfg.roles,
996 lport->fabric->vf_drv,
997 vport ? vport->vport_drv : NULL);
998
999 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
1000 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
1001 "New logical port created: WWN = %s Role = %s\n",
1002 lpwwn_buf, "Initiator");
1003 bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);
1004
1005 bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
1006 bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
1007 }
1008
1009 /*
1010 * fcs_lport_api
1011 */
1012
1013 void
1014 bfa_fcs_lport_get_attr(
1015 struct bfa_fcs_lport_s *port,
1016 struct bfa_lport_attr_s *port_attr)
1017 {
1018 if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1019 port_attr->pid = port->pid;
1020 else
1021 port_attr->pid = 0;
1022
1023 port_attr->port_cfg = port->port_cfg;
1024
1025 if (port->fabric) {
1026 port_attr->port_type = port->fabric->oper_type;
1027 port_attr->loopback = bfa_sm_cmp_state(port->fabric,
1028 bfa_fcs_fabric_sm_loopback);
1029 port_attr->authfail =
1030 bfa_sm_cmp_state(port->fabric,
1031 bfa_fcs_fabric_sm_auth_failed);
1032 port_attr->fabric_name = bfa_fcs_lport_get_fabric_name(port);
1033 memcpy(port_attr->fabric_ip_addr,
1034 bfa_fcs_lport_get_fabric_ipaddr(port),
1035 BFA_FCS_FABRIC_IPADDR_SZ);
1036
1037 if (port->vport != NULL) {
1038 port_attr->port_type = BFA_PORT_TYPE_VPORT;
1039 port_attr->fpma_mac =
1040 port->vport->lps->lp_mac;
1041 } else {
1042 port_attr->fpma_mac =
1043 port->fabric->lps->lp_mac;
1044 }
1045 } else {
1046 port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
1047 port_attr->state = BFA_LPORT_UNINIT;
1048 }
1049 }
1050
1051 /*
1052 * bfa_fcs_lport_fab port fab functions
1053 */
1054
1055 /*
1056 * Called by port to initialize fabric services of the base port.
1057 */
1058 static void
1059 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
1060 {
1061 bfa_fcs_lport_ns_init(port);
1062 bfa_fcs_lport_scn_init(port);
1063 bfa_fcs_lport_ms_init(port);
1064 }
1065
1066 /*
1067 * Called by port to notify transition to online state.
1068 */
1069 static void
1070 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
1071 {
1072 bfa_fcs_lport_ns_online(port);
1073 bfa_fcs_lport_scn_online(port);
1074 }
1075
1076 /*
1077 * Called by port to notify transition to offline state.
1078 */
1079 static void
1080 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
1081 {
1082 bfa_fcs_lport_ns_offline(port);
1083 bfa_fcs_lport_scn_offline(port);
1084 bfa_fcs_lport_ms_offline(port);
1085 }
1086
1087 /*
1088 * bfa_fcs_lport_n2n functions
1089 */
1090
1091 /*
1092 * Called by fcs/port to initialize N2N topology.
1093 */
1094 static void
1095 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
1096 {
1097 }
1098
1099 /*
1100 * Called by fcs/port to notify transition to online state.
1101 */
1102 static void
1103 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
1104 {
1105 struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1106 struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
1107 struct bfa_fcs_rport_s *rport;
1108
1109 bfa_trc(port->fcs, pcfg->pwwn);
1110
1111 /*
1112 * If our PWWN is > than that of the r-port, we have to initiate PLOGI
1113 * and assign an Address. if not, we need to wait for its PLOGI.
1114 *
1115 * If our PWWN is < than that of the remote port, it will send a PLOGI
1116 * with the PIDs assigned. The rport state machine take care of this
1117 * incoming PLOGI.
1118 */
1119 if (memcmp
1120 ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
1121 sizeof(wwn_t)) > 0) {
1122 port->pid = N2N_LOCAL_PID;
1123 bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
1124 /*
1125 * First, check if we know the device by pwwn.
1126 */
1127 rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1128 n2n_port->rem_port_wwn);
1129 if (rport) {
1130 bfa_trc(port->fcs, rport->pid);
1131 bfa_trc(port->fcs, rport->pwwn);
1132 rport->pid = N2N_REMOTE_PID;
1133 bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
1134 return;
1135 }
1136
1137 /*
1138 * In n2n there can be only one rport. Delete the old one
1139 * whose pid should be zero, because it is offline.
1140 */
1141 if (port->num_rports > 0) {
1142 rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1143 WARN_ON(rport == NULL);
1144 if (rport) {
1145 bfa_trc(port->fcs, rport->pwwn);
1146 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
1147 }
1148 }
1149 bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1150 }
1151 }
1152
1153 /*
1154 * Called by fcs/port to notify transition to offline state.
1155 */
1156 static void
1157 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1158 {
1159 struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1160
1161 bfa_trc(port->fcs, port->pid);
1162 port->pid = 0;
1163 n2n_port->rem_port_wwn = 0;
1164 n2n_port->reply_oxid = 0;
1165 }
1166
1167 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1168
1169 /*
1170 * forward declarations
1171 */
1172 static void bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
1173 struct bfa_fcxp_s *fcxp_alloced);
1174 static void bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
1175 struct bfa_fcxp_s *fcxp_alloced);
1176 static void bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
1177 struct bfa_fcxp_s *fcxp_alloced);
1178 static void bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
1179 struct bfa_fcxp_s *fcxp,
1180 void *cbarg,
1181 bfa_status_t req_status,
1182 u32 rsp_len,
1183 u32 resid_len,
1184 struct fchs_s *rsp_fchs);
1185 static void bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1186 struct bfa_fcxp_s *fcxp,
1187 void *cbarg,
1188 bfa_status_t req_status,
1189 u32 rsp_len,
1190 u32 resid_len,
1191 struct fchs_s *rsp_fchs);
1192 static void bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1193 struct bfa_fcxp_s *fcxp,
1194 void *cbarg,
1195 bfa_status_t req_status,
1196 u32 rsp_len,
1197 u32 resid_len,
1198 struct fchs_s *rsp_fchs);
1199 static void bfa_fcs_lport_fdmi_timeout(void *arg);
1200 static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1201 u8 *pyld);
1202 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1203 u8 *pyld);
1204 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1205 u8 *pyld);
1206 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
1207 fdmi, u8 *pyld);
1208 static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1209 struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
1210 static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1211 struct bfa_fcs_fdmi_port_attr_s *port_attr);
1212 u32 bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
1213
1214 /*
1215 * fcs_fdmi_sm FCS FDMI state machine
1216 */
1217
1218 /*
1219 * FDMI State Machine events
1220 */
1221 enum port_fdmi_event {
1222 FDMISM_EVENT_PORT_ONLINE = 1,
1223 FDMISM_EVENT_PORT_OFFLINE = 2,
1224 FDMISM_EVENT_RSP_OK = 4,
1225 FDMISM_EVENT_RSP_ERROR = 5,
1226 FDMISM_EVENT_TIMEOUT = 6,
1227 FDMISM_EVENT_RHBA_SENT = 7,
1228 FDMISM_EVENT_RPRT_SENT = 8,
1229 FDMISM_EVENT_RPA_SENT = 9,
1230 };
1231
1232 static void bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1233 enum port_fdmi_event event);
1234 static void bfa_fcs_lport_fdmi_sm_sending_rhba(
1235 struct bfa_fcs_lport_fdmi_s *fdmi,
1236 enum port_fdmi_event event);
1237 static void bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1238 enum port_fdmi_event event);
1239 static void bfa_fcs_lport_fdmi_sm_rhba_retry(
1240 struct bfa_fcs_lport_fdmi_s *fdmi,
1241 enum port_fdmi_event event);
1242 static void bfa_fcs_lport_fdmi_sm_sending_rprt(
1243 struct bfa_fcs_lport_fdmi_s *fdmi,
1244 enum port_fdmi_event event);
1245 static void bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1246 enum port_fdmi_event event);
1247 static void bfa_fcs_lport_fdmi_sm_rprt_retry(
1248 struct bfa_fcs_lport_fdmi_s *fdmi,
1249 enum port_fdmi_event event);
1250 static void bfa_fcs_lport_fdmi_sm_sending_rpa(
1251 struct bfa_fcs_lport_fdmi_s *fdmi,
1252 enum port_fdmi_event event);
1253 static void bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1254 enum port_fdmi_event event);
1255 static void bfa_fcs_lport_fdmi_sm_rpa_retry(
1256 struct bfa_fcs_lport_fdmi_s *fdmi,
1257 enum port_fdmi_event event);
1258 static void bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1259 enum port_fdmi_event event);
1260 static void bfa_fcs_lport_fdmi_sm_disabled(
1261 struct bfa_fcs_lport_fdmi_s *fdmi,
1262 enum port_fdmi_event event);
1263 /*
1264 * Start in offline state - awaiting MS to send start.
1265 */
1266 static void
1267 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1268 enum port_fdmi_event event)
1269 {
1270 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1271
1272 bfa_trc(port->fcs, port->port_cfg.pwwn);
1273 bfa_trc(port->fcs, event);
1274
1275 fdmi->retry_cnt = 0;
1276
1277 switch (event) {
1278 case FDMISM_EVENT_PORT_ONLINE:
1279 if (port->vport) {
1280 /*
1281 * For Vports, register a new port.
1282 */
1283 bfa_sm_set_state(fdmi,
1284 bfa_fcs_lport_fdmi_sm_sending_rprt);
1285 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1286 } else {
1287 /*
1288 * For a base port, we should first register the HBA
1289 * attribute. The HBA attribute also contains the base
1290 * port registration.
1291 */
1292 bfa_sm_set_state(fdmi,
1293 bfa_fcs_lport_fdmi_sm_sending_rhba);
1294 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1295 }
1296 break;
1297
1298 case FDMISM_EVENT_PORT_OFFLINE:
1299 break;
1300
1301 default:
1302 bfa_sm_fault(port->fcs, event);
1303 }
1304 }
1305
1306 static void
1307 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1308 enum port_fdmi_event event)
1309 {
1310 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1311
1312 bfa_trc(port->fcs, port->port_cfg.pwwn);
1313 bfa_trc(port->fcs, event);
1314
1315 switch (event) {
1316 case FDMISM_EVENT_RHBA_SENT:
1317 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
1318 break;
1319
1320 case FDMISM_EVENT_PORT_OFFLINE:
1321 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1322 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1323 &fdmi->fcxp_wqe);
1324 break;
1325
1326 default:
1327 bfa_sm_fault(port->fcs, event);
1328 }
1329 }
1330
1331 static void
1332 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1333 enum port_fdmi_event event)
1334 {
1335 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1336
1337 bfa_trc(port->fcs, port->port_cfg.pwwn);
1338 bfa_trc(port->fcs, event);
1339
1340 switch (event) {
1341 case FDMISM_EVENT_RSP_ERROR:
1342 /*
1343 * if max retries have not been reached, start timer for a
1344 * delayed retry
1345 */
1346 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1347 bfa_sm_set_state(fdmi,
1348 bfa_fcs_lport_fdmi_sm_rhba_retry);
1349 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1350 &fdmi->timer,
1351 bfa_fcs_lport_fdmi_timeout, fdmi,
1352 BFA_FCS_RETRY_TIMEOUT);
1353 } else {
1354 /*
1355 * set state to offline
1356 */
1357 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1358 }
1359 break;
1360
1361 case FDMISM_EVENT_RSP_OK:
1362 /*
1363 * Initiate Register Port Attributes
1364 */
1365 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1366 fdmi->retry_cnt = 0;
1367 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1368 break;
1369
1370 case FDMISM_EVENT_PORT_OFFLINE:
1371 bfa_fcxp_discard(fdmi->fcxp);
1372 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1373 break;
1374
1375 default:
1376 bfa_sm_fault(port->fcs, event);
1377 }
1378 }
1379
1380 static void
1381 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1382 enum port_fdmi_event event)
1383 {
1384 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1385
1386 bfa_trc(port->fcs, port->port_cfg.pwwn);
1387 bfa_trc(port->fcs, event);
1388
1389 switch (event) {
1390 case FDMISM_EVENT_TIMEOUT:
1391 /*
1392 * Retry Timer Expired. Re-send
1393 */
1394 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1395 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1396 break;
1397
1398 case FDMISM_EVENT_PORT_OFFLINE:
1399 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1400 bfa_timer_stop(&fdmi->timer);
1401 break;
1402
1403 default:
1404 bfa_sm_fault(port->fcs, event);
1405 }
1406 }
1407
1408 /*
1409 * RPRT : Register Port
1410 */
1411 static void
1412 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1413 enum port_fdmi_event event)
1414 {
1415 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1416
1417 bfa_trc(port->fcs, port->port_cfg.pwwn);
1418 bfa_trc(port->fcs, event);
1419
1420 switch (event) {
1421 case FDMISM_EVENT_RPRT_SENT:
1422 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
1423 break;
1424
1425 case FDMISM_EVENT_PORT_OFFLINE:
1426 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1427 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1428 &fdmi->fcxp_wqe);
1429 break;
1430
1431 default:
1432 bfa_sm_fault(port->fcs, event);
1433 }
1434 }
1435
1436 static void
1437 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1438 enum port_fdmi_event event)
1439 {
1440 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1441
1442 bfa_trc(port->fcs, port->port_cfg.pwwn);
1443 bfa_trc(port->fcs, event);
1444
1445 switch (event) {
1446 case FDMISM_EVENT_RSP_ERROR:
1447 /*
1448 * if max retries have not been reached, start timer for a
1449 * delayed retry
1450 */
1451 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1452 bfa_sm_set_state(fdmi,
1453 bfa_fcs_lport_fdmi_sm_rprt_retry);
1454 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1455 &fdmi->timer,
1456 bfa_fcs_lport_fdmi_timeout, fdmi,
1457 BFA_FCS_RETRY_TIMEOUT);
1458
1459 } else {
1460 /*
1461 * set state to offline
1462 */
1463 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1464 fdmi->retry_cnt = 0;
1465 }
1466 break;
1467
1468 case FDMISM_EVENT_RSP_OK:
1469 fdmi->retry_cnt = 0;
1470 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1471 break;
1472
1473 case FDMISM_EVENT_PORT_OFFLINE:
1474 bfa_fcxp_discard(fdmi->fcxp);
1475 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1476 break;
1477
1478 default:
1479 bfa_sm_fault(port->fcs, event);
1480 }
1481 }
1482
1483 static void
1484 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1485 enum port_fdmi_event event)
1486 {
1487 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1488
1489 bfa_trc(port->fcs, port->port_cfg.pwwn);
1490 bfa_trc(port->fcs, event);
1491
1492 switch (event) {
1493 case FDMISM_EVENT_TIMEOUT:
1494 /*
1495 * Retry Timer Expired. Re-send
1496 */
1497 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1498 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1499 break;
1500
1501 case FDMISM_EVENT_PORT_OFFLINE:
1502 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1503 bfa_timer_stop(&fdmi->timer);
1504 break;
1505
1506 default:
1507 bfa_sm_fault(port->fcs, event);
1508 }
1509 }
1510
1511 /*
1512 * Register Port Attributes
1513 */
1514 static void
1515 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1516 enum port_fdmi_event event)
1517 {
1518 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1519
1520 bfa_trc(port->fcs, port->port_cfg.pwwn);
1521 bfa_trc(port->fcs, event);
1522
1523 switch (event) {
1524 case FDMISM_EVENT_RPA_SENT:
1525 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
1526 break;
1527
1528 case FDMISM_EVENT_PORT_OFFLINE:
1529 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1530 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1531 &fdmi->fcxp_wqe);
1532 break;
1533
1534 default:
1535 bfa_sm_fault(port->fcs, event);
1536 }
1537 }
1538
1539 static void
1540 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1541 enum port_fdmi_event event)
1542 {
1543 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1544
1545 bfa_trc(port->fcs, port->port_cfg.pwwn);
1546 bfa_trc(port->fcs, event);
1547
1548 switch (event) {
1549 case FDMISM_EVENT_RSP_ERROR:
1550 /*
1551 * if max retries have not been reached, start timer for a
1552 * delayed retry
1553 */
1554 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1555 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
1556 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1557 &fdmi->timer,
1558 bfa_fcs_lport_fdmi_timeout, fdmi,
1559 BFA_FCS_RETRY_TIMEOUT);
1560 } else {
1561 /*
1562 * set state to offline
1563 */
1564 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1565 fdmi->retry_cnt = 0;
1566 }
1567 break;
1568
1569 case FDMISM_EVENT_RSP_OK:
1570 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1571 fdmi->retry_cnt = 0;
1572 break;
1573
1574 case FDMISM_EVENT_PORT_OFFLINE:
1575 bfa_fcxp_discard(fdmi->fcxp);
1576 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1577 break;
1578
1579 default:
1580 bfa_sm_fault(port->fcs, event);
1581 }
1582 }
1583
1584 static void
1585 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1586 enum port_fdmi_event event)
1587 {
1588 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1589
1590 bfa_trc(port->fcs, port->port_cfg.pwwn);
1591 bfa_trc(port->fcs, event);
1592
1593 switch (event) {
1594 case FDMISM_EVENT_TIMEOUT:
1595 /*
1596 * Retry Timer Expired. Re-send
1597 */
1598 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1599 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1600 break;
1601
1602 case FDMISM_EVENT_PORT_OFFLINE:
1603 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1604 bfa_timer_stop(&fdmi->timer);
1605 break;
1606
1607 default:
1608 bfa_sm_fault(port->fcs, event);
1609 }
1610 }
1611
1612 static void
1613 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1614 enum port_fdmi_event event)
1615 {
1616 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1617
1618 bfa_trc(port->fcs, port->port_cfg.pwwn);
1619 bfa_trc(port->fcs, event);
1620
1621 switch (event) {
1622 case FDMISM_EVENT_PORT_OFFLINE:
1623 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1624 break;
1625
1626 default:
1627 bfa_sm_fault(port->fcs, event);
1628 }
1629 }
1630 /*
1631 * FDMI is disabled state.
1632 */
1633 static void
1634 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1635 enum port_fdmi_event event)
1636 {
1637 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1638
1639 bfa_trc(port->fcs, port->port_cfg.pwwn);
1640 bfa_trc(port->fcs, event);
1641
1642 /* No op State. It can only be enabled at Driver Init. */
1643 }
1644
1645 /*
1646 * RHBA : Register HBA Attributes.
1647 */
1648 static void
1649 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1650 {
1651 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1652 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1653 struct fchs_s fchs;
1654 int len, attr_len;
1655 struct bfa_fcxp_s *fcxp;
1656 u8 *pyld;
1657
1658 bfa_trc(port->fcs, port->port_cfg.pwwn);
1659
1660 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1661 if (!fcxp) {
1662 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1663 bfa_fcs_lport_fdmi_send_rhba, fdmi);
1664 return;
1665 }
1666 fdmi->fcxp = fcxp;
1667
1668 pyld = bfa_fcxp_get_reqbuf(fcxp);
1669 memset(pyld, 0, FC_MAX_PDUSZ);
1670
1671 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1672 FDMI_RHBA);
1673
1674 attr_len =
1675 bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1676 (u8 *) ((struct ct_hdr_s *) pyld
1677 + 1));
1678
1679 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1680 FC_CLASS_3, (len + attr_len), &fchs,
1681 bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
1682 FC_MAX_PDUSZ, FC_FCCT_TOV);
1683
1684 bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1685 }
1686
1687 static u16
1688 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1689 {
1690 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1691 struct bfa_fcs_fdmi_hba_attr_s hba_attr;
1692 struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
1693 struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
1694 struct fdmi_attr_s *attr;
1695 u8 *curr_ptr;
1696 u16 len, count;
1697 u16 templen;
1698
1699 /*
1700 * get hba attributes
1701 */
1702 bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
1703
1704 rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
1705 rhba->port_list.num_ports = cpu_to_be32(1);
1706 rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
1707
1708 len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1709
1710 count = 0;
1711 len += sizeof(rhba->hba_attr_blk.attr_count);
1712
1713 /*
1714 * fill out the invididual entries of the HBA attrib Block
1715 */
1716 curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
1717
1718 /*
1719 * Node Name
1720 */
1721 attr = (struct fdmi_attr_s *) curr_ptr;
1722 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
1723 templen = sizeof(wwn_t);
1724 memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
1725 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1726 len += templen;
1727 count++;
1728 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1729 sizeof(templen));
1730
1731 /*
1732 * Manufacturer
1733 */
1734 attr = (struct fdmi_attr_s *) curr_ptr;
1735 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
1736 templen = (u16) strlen(fcs_hba_attr->manufacturer);
1737 memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
1738 templen = fc_roundup(templen, sizeof(u32));
1739 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1740 len += templen;
1741 count++;
1742 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1743 sizeof(templen));
1744
1745 /*
1746 * Serial Number
1747 */
1748 attr = (struct fdmi_attr_s *) curr_ptr;
1749 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
1750 templen = (u16) strlen(fcs_hba_attr->serial_num);
1751 memcpy(attr->value, fcs_hba_attr->serial_num, templen);
1752 templen = fc_roundup(templen, sizeof(u32));
1753 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1754 len += templen;
1755 count++;
1756 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1757 sizeof(templen));
1758
1759 /*
1760 * Model
1761 */
1762 attr = (struct fdmi_attr_s *) curr_ptr;
1763 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
1764 templen = (u16) strlen(fcs_hba_attr->model);
1765 memcpy(attr->value, fcs_hba_attr->model, templen);
1766 templen = fc_roundup(templen, sizeof(u32));
1767 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1768 len += templen;
1769 count++;
1770 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1771 sizeof(templen));
1772
1773 /*
1774 * Model Desc
1775 */
1776 attr = (struct fdmi_attr_s *) curr_ptr;
1777 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
1778 templen = (u16) strlen(fcs_hba_attr->model_desc);
1779 memcpy(attr->value, fcs_hba_attr->model_desc, templen);
1780 templen = fc_roundup(templen, sizeof(u32));
1781 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1782 len += templen;
1783 count++;
1784 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1785 sizeof(templen));
1786
1787 /*
1788 * H/W Version
1789 */
1790 if (fcs_hba_attr->hw_version[0] != '\0') {
1791 attr = (struct fdmi_attr_s *) curr_ptr;
1792 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
1793 templen = (u16) strlen(fcs_hba_attr->hw_version);
1794 memcpy(attr->value, fcs_hba_attr->hw_version, templen);
1795 templen = fc_roundup(templen, sizeof(u32));
1796 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1797 len += templen;
1798 count++;
1799 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1800 sizeof(templen));
1801 }
1802
1803 /*
1804 * Driver Version
1805 */
1806 attr = (struct fdmi_attr_s *) curr_ptr;
1807 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
1808 templen = (u16) strlen(fcs_hba_attr->driver_version);
1809 memcpy(attr->value, fcs_hba_attr->driver_version, templen);
1810 templen = fc_roundup(templen, sizeof(u32));
1811 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1812 len += templen;
1813 count++;
1814 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1815 sizeof(templen));
1816
1817 /*
1818 * Option Rom Version
1819 */
1820 if (fcs_hba_attr->option_rom_ver[0] != '\0') {
1821 attr = (struct fdmi_attr_s *) curr_ptr;
1822 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
1823 templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
1824 memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
1825 templen = fc_roundup(templen, sizeof(u32));
1826 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1827 len += templen;
1828 count++;
1829 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1830 sizeof(templen));
1831 }
1832
1833 /*
1834 * f/w Version = driver version
1835 */
1836 attr = (struct fdmi_attr_s *) curr_ptr;
1837 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
1838 templen = (u16) strlen(fcs_hba_attr->driver_version);
1839 memcpy(attr->value, fcs_hba_attr->driver_version, templen);
1840 templen = fc_roundup(templen, sizeof(u32));
1841 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1842 len += templen;
1843 count++;
1844 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1845 sizeof(templen));
1846
1847 /*
1848 * OS Name
1849 */
1850 if (fcs_hba_attr->os_name[0] != '\0') {
1851 attr = (struct fdmi_attr_s *) curr_ptr;
1852 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
1853 templen = (u16) strlen(fcs_hba_attr->os_name);
1854 memcpy(attr->value, fcs_hba_attr->os_name, templen);
1855 templen = fc_roundup(templen, sizeof(u32));
1856 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1857 len += templen;
1858 count++;
1859 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1860 sizeof(templen));
1861 }
1862
1863 /*
1864 * MAX_CT_PAYLOAD
1865 */
1866 attr = (struct fdmi_attr_s *) curr_ptr;
1867 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
1868 templen = sizeof(fcs_hba_attr->max_ct_pyld);
1869 memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
1870 len += templen;
1871 count++;
1872 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1873 sizeof(templen));
1874
1875 /*
1876 * Update size of payload
1877 */
1878 len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
1879
1880 rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
1881 return len;
1882 }
1883
1884 static void
1885 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
1886 void *cbarg, bfa_status_t req_status,
1887 u32 rsp_len, u32 resid_len,
1888 struct fchs_s *rsp_fchs)
1889 {
1890 struct bfa_fcs_lport_fdmi_s *fdmi =
1891 (struct bfa_fcs_lport_fdmi_s *) cbarg;
1892 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1893 struct ct_hdr_s *cthdr = NULL;
1894
1895 bfa_trc(port->fcs, port->port_cfg.pwwn);
1896
1897 /*
1898 * Sanity Checks
1899 */
1900 if (req_status != BFA_STATUS_OK) {
1901 bfa_trc(port->fcs, req_status);
1902 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
1903 return;
1904 }
1905
1906 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
1907 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
1908
1909 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
1910 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
1911 return;
1912 }
1913
1914 bfa_trc(port->fcs, cthdr->reason_code);
1915 bfa_trc(port->fcs, cthdr->exp_code);
1916 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
1917 }
1918
1919 /*
1920 * RPRT : Register Port
1921 */
1922 static void
1923 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1924 {
1925 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1926 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1927 struct fchs_s fchs;
1928 u16 len, attr_len;
1929 struct bfa_fcxp_s *fcxp;
1930 u8 *pyld;
1931
1932 bfa_trc(port->fcs, port->port_cfg.pwwn);
1933
1934 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
1935 if (!fcxp) {
1936 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1937 bfa_fcs_lport_fdmi_send_rprt, fdmi);
1938 return;
1939 }
1940 fdmi->fcxp = fcxp;
1941
1942 pyld = bfa_fcxp_get_reqbuf(fcxp);
1943 memset(pyld, 0, FC_MAX_PDUSZ);
1944
1945 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1946 FDMI_RPRT);
1947
1948 attr_len =
1949 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
1950 (u8 *) ((struct ct_hdr_s *) pyld
1951 + 1));
1952
1953 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1954 FC_CLASS_3, len + attr_len, &fchs,
1955 bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
1956 FC_MAX_PDUSZ, FC_FCCT_TOV);
1957
1958 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
1959 }
1960
1961 /*
1962 * This routine builds Port Attribute Block that used in RPA, RPRT commands.
1963 */
1964 static u16
1965 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
1966 u8 *pyld)
1967 {
1968 struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
1969 struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
1970 struct fdmi_attr_s *attr;
1971 u8 *curr_ptr;
1972 u16 len;
1973 u8 count = 0;
1974 u16 templen;
1975
1976 /*
1977 * get port attributes
1978 */
1979 bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
1980
1981 len = sizeof(port_attrib->attr_count);
1982
1983 /*
1984 * fill out the invididual entries
1985 */
1986 curr_ptr = (u8 *) &port_attrib->port_attr;
1987
1988 /*
1989 * FC4 Types
1990 */
1991 attr = (struct fdmi_attr_s *) curr_ptr;
1992 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
1993 templen = sizeof(fcs_port_attr.supp_fc4_types);
1994 memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
1995 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1996 len += templen;
1997 ++count;
1998 attr->len =
1999 cpu_to_be16(templen + sizeof(attr->type) +
2000 sizeof(templen));
2001
2002 /*
2003 * Supported Speed
2004 */
2005 attr = (struct fdmi_attr_s *) curr_ptr;
2006 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
2007 templen = sizeof(fcs_port_attr.supp_speed);
2008 memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
2009 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2010 len += templen;
2011 ++count;
2012 attr->len =
2013 cpu_to_be16(templen + sizeof(attr->type) +
2014 sizeof(templen));
2015
2016 /*
2017 * current Port Speed
2018 */
2019 attr = (struct fdmi_attr_s *) curr_ptr;
2020 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
2021 templen = sizeof(fcs_port_attr.curr_speed);
2022 memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
2023 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2024 len += templen;
2025 ++count;
2026 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2027 sizeof(templen));
2028
2029 /*
2030 * max frame size
2031 */
2032 attr = (struct fdmi_attr_s *) curr_ptr;
2033 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
2034 templen = sizeof(fcs_port_attr.max_frm_size);
2035 memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
2036 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2037 len += templen;
2038 ++count;
2039 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2040 sizeof(templen));
2041
2042 /*
2043 * OS Device Name
2044 */
2045 if (fcs_port_attr.os_device_name[0] != '\0') {
2046 attr = (struct fdmi_attr_s *) curr_ptr;
2047 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
2048 templen = (u16) strlen(fcs_port_attr.os_device_name);
2049 memcpy(attr->value, fcs_port_attr.os_device_name, templen);
2050 templen = fc_roundup(templen, sizeof(u32));
2051 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2052 len += templen;
2053 ++count;
2054 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2055 sizeof(templen));
2056 }
2057 /*
2058 * Host Name
2059 */
2060 if (fcs_port_attr.host_name[0] != '\0') {
2061 attr = (struct fdmi_attr_s *) curr_ptr;
2062 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
2063 templen = (u16) strlen(fcs_port_attr.host_name);
2064 memcpy(attr->value, fcs_port_attr.host_name, templen);
2065 templen = fc_roundup(templen, sizeof(u32));
2066 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2067 len += templen;
2068 ++count;
2069 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2070 sizeof(templen));
2071 }
2072
2073 /*
2074 * Update size of payload
2075 */
2076 port_attrib->attr_count = cpu_to_be32(count);
2077 len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2078 return len;
2079 }
2080
2081 static u16
2082 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2083 {
2084 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2085 struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2086 u16 len;
2087
2088 rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2089 rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2090
2091 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2092 (u8 *) &rprt->port_attr_blk);
2093
2094 len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2095
2096 return len;
2097 }
2098
2099 static void
2100 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2101 void *cbarg, bfa_status_t req_status,
2102 u32 rsp_len, u32 resid_len,
2103 struct fchs_s *rsp_fchs)
2104 {
2105 struct bfa_fcs_lport_fdmi_s *fdmi =
2106 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2107 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2108 struct ct_hdr_s *cthdr = NULL;
2109
2110 bfa_trc(port->fcs, port->port_cfg.pwwn);
2111
2112 /*
2113 * Sanity Checks
2114 */
2115 if (req_status != BFA_STATUS_OK) {
2116 bfa_trc(port->fcs, req_status);
2117 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2118 return;
2119 }
2120
2121 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2122 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2123
2124 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2125 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2126 return;
2127 }
2128
2129 bfa_trc(port->fcs, cthdr->reason_code);
2130 bfa_trc(port->fcs, cthdr->exp_code);
2131 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2132 }
2133
2134 /*
2135 * RPA : Register Port Attributes.
2136 */
2137 static void
2138 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2139 {
2140 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2141 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2142 struct fchs_s fchs;
2143 u16 len, attr_len;
2144 struct bfa_fcxp_s *fcxp;
2145 u8 *pyld;
2146
2147 bfa_trc(port->fcs, port->port_cfg.pwwn);
2148
2149 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2150 if (!fcxp) {
2151 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2152 bfa_fcs_lport_fdmi_send_rpa, fdmi);
2153 return;
2154 }
2155 fdmi->fcxp = fcxp;
2156
2157 pyld = bfa_fcxp_get_reqbuf(fcxp);
2158 memset(pyld, 0, FC_MAX_PDUSZ);
2159
2160 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2161 FDMI_RPA);
2162
2163 attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2164 (u8 *) ((struct ct_hdr_s *) pyld + 1));
2165
2166 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2167 FC_CLASS_3, len + attr_len, &fchs,
2168 bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2169 FC_MAX_PDUSZ, FC_FCCT_TOV);
2170
2171 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2172 }
2173
2174 static u16
2175 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2176 {
2177 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2178 struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2179 u16 len;
2180
2181 rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2182
2183 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2184 (u8 *) &rpa->port_attr_blk);
2185
2186 len += sizeof(rpa->port_name);
2187
2188 return len;
2189 }
2190
2191 static void
2192 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2193 void *cbarg, bfa_status_t req_status, u32 rsp_len,
2194 u32 resid_len, struct fchs_s *rsp_fchs)
2195 {
2196 struct bfa_fcs_lport_fdmi_s *fdmi =
2197 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2198 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2199 struct ct_hdr_s *cthdr = NULL;
2200
2201 bfa_trc(port->fcs, port->port_cfg.pwwn);
2202
2203 /*
2204 * Sanity Checks
2205 */
2206 if (req_status != BFA_STATUS_OK) {
2207 bfa_trc(port->fcs, req_status);
2208 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2209 return;
2210 }
2211
2212 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2213 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2214
2215 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2216 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2217 return;
2218 }
2219
2220 bfa_trc(port->fcs, cthdr->reason_code);
2221 bfa_trc(port->fcs, cthdr->exp_code);
2222 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2223 }
2224
2225 static void
2226 bfa_fcs_lport_fdmi_timeout(void *arg)
2227 {
2228 struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2229
2230 bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2231 }
2232
2233 static void
2234 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2235 struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2236 {
2237 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2238 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2239
2240 memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2241
2242 bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2243 hba_attr->manufacturer);
2244 bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2245 hba_attr->serial_num);
2246 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2247 hba_attr->model);
2248 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2249 hba_attr->model_desc);
2250 bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2251 hba_attr->hw_version);
2252 bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2253 hba_attr->option_rom_ver);
2254 bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2255 hba_attr->fw_version);
2256
2257 strncpy(hba_attr->driver_version, (char *)driver_info->version,
2258 sizeof(hba_attr->driver_version));
2259
2260 strncpy(hba_attr->os_name, driver_info->host_os_name,
2261 sizeof(hba_attr->os_name));
2262
2263 /*
2264 * If there is a patch level, append it
2265 * to the os name along with a separator
2266 */
2267 if (driver_info->host_os_patch[0] != '\0') {
2268 strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2269 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
2270 strncat(hba_attr->os_name, driver_info->host_os_patch,
2271 sizeof(driver_info->host_os_patch));
2272 }
2273
2274 hba_attr->max_ct_pyld = cpu_to_be32(FC_MAX_PDUSZ);
2275 }
2276
2277 static void
2278 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2279 struct bfa_fcs_fdmi_port_attr_s *port_attr)
2280 {
2281 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2282 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2283 struct bfa_port_attr_s pport_attr;
2284
2285 memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2286
2287 /*
2288 * get pport attributes from hal
2289 */
2290 bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2291
2292 /*
2293 * get FC4 type Bitmask
2294 */
2295 fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2296
2297 /*
2298 * Supported Speeds
2299 */
2300 switch (pport_attr.speed_supported) {
2301 case BFA_PORT_SPEED_16GBPS:
2302 port_attr->supp_speed =
2303 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
2304 break;
2305
2306 case BFA_PORT_SPEED_10GBPS:
2307 port_attr->supp_speed =
2308 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
2309 break;
2310
2311 case BFA_PORT_SPEED_8GBPS:
2312 port_attr->supp_speed =
2313 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
2314 break;
2315
2316 case BFA_PORT_SPEED_4GBPS:
2317 port_attr->supp_speed =
2318 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
2319 break;
2320
2321 default:
2322 bfa_sm_fault(port->fcs, pport_attr.speed_supported);
2323 }
2324
2325 /*
2326 * Current Speed
2327 */
2328 port_attr->curr_speed = cpu_to_be32(
2329 bfa_fcs_fdmi_convert_speed(pport_attr.speed));
2330
2331 /*
2332 * Max PDU Size.
2333 */
2334 port_attr->max_frm_size = cpu_to_be32(FC_MAX_PDUSZ);
2335
2336 /*
2337 * OS device Name
2338 */
2339 strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
2340 sizeof(port_attr->os_device_name));
2341
2342 /*
2343 * Host name
2344 */
2345 strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
2346 sizeof(port_attr->host_name));
2347
2348 }
2349
2350 /*
2351 * Convert BFA speed to FDMI format.
2352 */
2353 u32
2354 bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
2355 {
2356 u32 ret;
2357
2358 switch (pport_speed) {
2359 case BFA_PORT_SPEED_1GBPS:
2360 case BFA_PORT_SPEED_2GBPS:
2361 ret = pport_speed;
2362 break;
2363
2364 case BFA_PORT_SPEED_4GBPS:
2365 ret = FDMI_TRANS_SPEED_4G;
2366 break;
2367
2368 case BFA_PORT_SPEED_8GBPS:
2369 ret = FDMI_TRANS_SPEED_8G;
2370 break;
2371
2372 case BFA_PORT_SPEED_10GBPS:
2373 ret = FDMI_TRANS_SPEED_10G;
2374 break;
2375
2376 case BFA_PORT_SPEED_16GBPS:
2377 ret = FDMI_TRANS_SPEED_16G;
2378 break;
2379
2380 default:
2381 ret = FDMI_TRANS_SPEED_UNKNOWN;
2382 }
2383 return ret;
2384 }
2385
2386 void
2387 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2388 {
2389 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2390
2391 fdmi->ms = ms;
2392 if (ms->port->fcs->fdmi_enabled)
2393 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2394 else
2395 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2396 }
2397
2398 void
2399 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2400 {
2401 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2402
2403 fdmi->ms = ms;
2404 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2405 }
2406
2407 void
2408 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2409 {
2410 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2411
2412 fdmi->ms = ms;
2413 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2414 }
2415
2416 #define BFA_FCS_MS_CMD_MAX_RETRIES 2
2417
2418 /*
2419 * forward declarations
2420 */
2421 static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2422 struct bfa_fcxp_s *fcxp_alloced);
2423 static void bfa_fcs_lport_ms_timeout(void *arg);
2424 static void bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2425 struct bfa_fcxp_s *fcxp,
2426 void *cbarg,
2427 bfa_status_t req_status,
2428 u32 rsp_len,
2429 u32 resid_len,
2430 struct fchs_s *rsp_fchs);
2431
2432 static void bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2433 struct bfa_fcxp_s *fcxp_alloced);
2434 static void bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2435 struct bfa_fcxp_s *fcxp,
2436 void *cbarg,
2437 bfa_status_t req_status,
2438 u32 rsp_len,
2439 u32 resid_len,
2440 struct fchs_s *rsp_fchs);
2441 static void bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2442 struct bfa_fcxp_s *fcxp_alloced);
2443 static void bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2444 struct bfa_fcxp_s *fcxp,
2445 void *cbarg,
2446 bfa_status_t req_status,
2447 u32 rsp_len,
2448 u32 resid_len,
2449 struct fchs_s *rsp_fchs);
2450 /*
2451 * fcs_ms_sm FCS MS state machine
2452 */
2453
2454 /*
2455 * MS State Machine events
2456 */
2457 enum port_ms_event {
2458 MSSM_EVENT_PORT_ONLINE = 1,
2459 MSSM_EVENT_PORT_OFFLINE = 2,
2460 MSSM_EVENT_RSP_OK = 3,
2461 MSSM_EVENT_RSP_ERROR = 4,
2462 MSSM_EVENT_TIMEOUT = 5,
2463 MSSM_EVENT_FCXP_SENT = 6,
2464 MSSM_EVENT_PORT_FABRIC_RSCN = 7
2465 };
2466
2467 static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2468 enum port_ms_event event);
2469 static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2470 enum port_ms_event event);
2471 static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2472 enum port_ms_event event);
2473 static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2474 enum port_ms_event event);
2475 static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2476 enum port_ms_event event);
2477 static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2478 enum port_ms_event event);
2479 static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2480 enum port_ms_event event);
2481 static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2482 enum port_ms_event event);
2483 static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2484 enum port_ms_event event);
2485 static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2486 enum port_ms_event event);
2487 static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2488 enum port_ms_event event);
2489 /*
2490 * Start in offline state - awaiting NS to send start.
2491 */
2492 static void
2493 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2494 enum port_ms_event event)
2495 {
2496 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2497 bfa_trc(ms->port->fcs, event);
2498
2499 switch (event) {
2500 case MSSM_EVENT_PORT_ONLINE:
2501 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2502 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2503 break;
2504
2505 case MSSM_EVENT_PORT_OFFLINE:
2506 break;
2507
2508 default:
2509 bfa_sm_fault(ms->port->fcs, event);
2510 }
2511 }
2512
2513 static void
2514 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2515 enum port_ms_event event)
2516 {
2517 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2518 bfa_trc(ms->port->fcs, event);
2519
2520 switch (event) {
2521 case MSSM_EVENT_FCXP_SENT:
2522 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2523 break;
2524
2525 case MSSM_EVENT_PORT_OFFLINE:
2526 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2527 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2528 &ms->fcxp_wqe);
2529 break;
2530
2531 default:
2532 bfa_sm_fault(ms->port->fcs, event);
2533 }
2534 }
2535
2536 static void
2537 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2538 enum port_ms_event event)
2539 {
2540 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2541 bfa_trc(ms->port->fcs, event);
2542
2543 switch (event) {
2544 case MSSM_EVENT_RSP_ERROR:
2545 /*
2546 * Start timer for a delayed retry
2547 */
2548 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2549 ms->port->stats.ms_retries++;
2550 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2551 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2552 BFA_FCS_RETRY_TIMEOUT);
2553 break;
2554
2555 case MSSM_EVENT_RSP_OK:
2556 /*
2557 * since plogi is done, now invoke MS related sub-modules
2558 */
2559 bfa_fcs_lport_fdmi_online(ms);
2560
2561 /*
2562 * if this is a Vport, go to online state.
2563 */
2564 if (ms->port->vport) {
2565 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2566 break;
2567 }
2568
2569 /*
2570 * For a base port we need to get the
2571 * switch's IP address.
2572 */
2573 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2574 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2575 break;
2576
2577 case MSSM_EVENT_PORT_OFFLINE:
2578 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2579 bfa_fcxp_discard(ms->fcxp);
2580 break;
2581
2582 default:
2583 bfa_sm_fault(ms->port->fcs, event);
2584 }
2585 }
2586
2587 static void
2588 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2589 enum port_ms_event event)
2590 {
2591 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2592 bfa_trc(ms->port->fcs, event);
2593
2594 switch (event) {
2595 case MSSM_EVENT_TIMEOUT:
2596 /*
2597 * Retry Timer Expired. Re-send
2598 */
2599 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2600 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2601 break;
2602
2603 case MSSM_EVENT_PORT_OFFLINE:
2604 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2605 bfa_timer_stop(&ms->timer);
2606 break;
2607
2608 default:
2609 bfa_sm_fault(ms->port->fcs, event);
2610 }
2611 }
2612
2613 static void
2614 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2615 enum port_ms_event event)
2616 {
2617 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2618 bfa_trc(ms->port->fcs, event);
2619
2620 switch (event) {
2621 case MSSM_EVENT_PORT_OFFLINE:
2622 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2623 break;
2624
2625 case MSSM_EVENT_PORT_FABRIC_RSCN:
2626 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2627 ms->retry_cnt = 0;
2628 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2629 break;
2630
2631 default:
2632 bfa_sm_fault(ms->port->fcs, event);
2633 }
2634 }
2635
2636 static void
2637 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2638 enum port_ms_event event)
2639 {
2640 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2641 bfa_trc(ms->port->fcs, event);
2642
2643 switch (event) {
2644 case MSSM_EVENT_FCXP_SENT:
2645 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
2646 break;
2647
2648 case MSSM_EVENT_PORT_OFFLINE:
2649 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2650 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2651 &ms->fcxp_wqe);
2652 break;
2653
2654 default:
2655 bfa_sm_fault(ms->port->fcs, event);
2656 }
2657 }
2658
2659 static void
2660 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2661 enum port_ms_event event)
2662 {
2663 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2664 bfa_trc(ms->port->fcs, event);
2665
2666 switch (event) {
2667 case MSSM_EVENT_RSP_ERROR:
2668 /*
2669 * Start timer for a delayed retry
2670 */
2671 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
2672 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
2673 ms->port->stats.ms_retries++;
2674 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2675 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2676 BFA_FCS_RETRY_TIMEOUT);
2677 } else {
2678 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2679 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2680 ms->retry_cnt = 0;
2681 }
2682 break;
2683
2684 case MSSM_EVENT_RSP_OK:
2685 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2686 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2687 break;
2688
2689 case MSSM_EVENT_PORT_OFFLINE:
2690 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2691 bfa_fcxp_discard(ms->fcxp);
2692 break;
2693
2694 default:
2695 bfa_sm_fault(ms->port->fcs, event);
2696 }
2697 }
2698
2699 static void
2700 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2701 enum port_ms_event event)
2702 {
2703 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2704 bfa_trc(ms->port->fcs, event);
2705
2706 switch (event) {
2707 case MSSM_EVENT_TIMEOUT:
2708 /*
2709 * Retry Timer Expired. Re-send
2710 */
2711 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2712 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2713 break;
2714
2715 case MSSM_EVENT_PORT_OFFLINE:
2716 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2717 bfa_timer_stop(&ms->timer);
2718 break;
2719
2720 default:
2721 bfa_sm_fault(ms->port->fcs, event);
2722 }
2723 }
2724 /*
2725 * ms_pvt MS local functions
2726 */
2727
2728 static void
2729 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2730 {
2731 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2732 bfa_fcs_lport_t *port = ms->port;
2733 struct fchs_s fchs;
2734 int len;
2735 struct bfa_fcxp_s *fcxp;
2736
2737 bfa_trc(port->fcs, port->pid);
2738
2739 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2740 if (!fcxp) {
2741 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2742 bfa_fcs_lport_ms_send_gmal, ms);
2743 return;
2744 }
2745 ms->fcxp = fcxp;
2746
2747 len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2748 bfa_fcs_lport_get_fcid(port),
2749 port->fabric->lps->pr_nwwn);
2750
2751 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2752 FC_CLASS_3, len, &fchs,
2753 bfa_fcs_lport_ms_gmal_response, (void *)ms,
2754 FC_MAX_PDUSZ, FC_FCCT_TOV);
2755
2756 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2757 }
2758
2759 static void
2760 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2761 void *cbarg, bfa_status_t req_status,
2762 u32 rsp_len, u32 resid_len,
2763 struct fchs_s *rsp_fchs)
2764 {
2765 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2766 bfa_fcs_lport_t *port = ms->port;
2767 struct ct_hdr_s *cthdr = NULL;
2768 struct fcgs_gmal_resp_s *gmal_resp;
2769 struct fcgs_gmal_entry_s *gmal_entry;
2770 u32 num_entries;
2771 u8 *rsp_str;
2772
2773 bfa_trc(port->fcs, req_status);
2774 bfa_trc(port->fcs, port->port_cfg.pwwn);
2775
2776 /*
2777 * Sanity Checks
2778 */
2779 if (req_status != BFA_STATUS_OK) {
2780 bfa_trc(port->fcs, req_status);
2781 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2782 return;
2783 }
2784
2785 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2786 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2787
2788 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2789 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
2790
2791 num_entries = be32_to_cpu(gmal_resp->ms_len);
2792 if (num_entries == 0) {
2793 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2794 return;
2795 }
2796 /*
2797 * The response could contain multiple Entries.
2798 * Entries for SNMP interface, etc.
2799 * We look for the entry with a telnet prefix.
2800 * First "http://" entry refers to IP addr
2801 */
2802
2803 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
2804 while (num_entries > 0) {
2805 if (strncmp(gmal_entry->prefix,
2806 CT_GMAL_RESP_PREFIX_HTTP,
2807 sizeof(gmal_entry->prefix)) == 0) {
2808
2809 /*
2810 * if the IP address is terminating with a '/',
2811 * remove it.
2812 * Byte 0 consists of the length of the string.
2813 */
2814 rsp_str = &(gmal_entry->prefix[0]);
2815 if (rsp_str[gmal_entry->len-1] == '/')
2816 rsp_str[gmal_entry->len-1] = 0;
2817
2818 /* copy IP Address to fabric */
2819 strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
2820 gmal_entry->ip_addr,
2821 BFA_FCS_FABRIC_IPADDR_SZ);
2822 break;
2823 } else {
2824 --num_entries;
2825 ++gmal_entry;
2826 }
2827 }
2828
2829 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
2830 return;
2831 }
2832
2833 bfa_trc(port->fcs, cthdr->reason_code);
2834 bfa_trc(port->fcs, cthdr->exp_code);
2835 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2836 }
2837
2838 static void
2839 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2840 enum port_ms_event event)
2841 {
2842 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2843 bfa_trc(ms->port->fcs, event);
2844
2845 switch (event) {
2846 case MSSM_EVENT_FCXP_SENT:
2847 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
2848 break;
2849
2850 case MSSM_EVENT_PORT_OFFLINE:
2851 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2852 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2853 &ms->fcxp_wqe);
2854 break;
2855
2856 default:
2857 bfa_sm_fault(ms->port->fcs, event);
2858 }
2859 }
2860
2861 static void
2862 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2863 enum port_ms_event event)
2864 {
2865 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2866 bfa_trc(ms->port->fcs, event);
2867
2868 switch (event) {
2869 case MSSM_EVENT_RSP_ERROR:
2870 /*
2871 * Start timer for a delayed retry
2872 */
2873 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
2874 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
2875 ms->port->stats.ms_retries++;
2876 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2877 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2878 BFA_FCS_RETRY_TIMEOUT);
2879 } else {
2880 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2881 ms->retry_cnt = 0;
2882 }
2883 break;
2884
2885 case MSSM_EVENT_RSP_OK:
2886 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2887 break;
2888
2889 case MSSM_EVENT_PORT_OFFLINE:
2890 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2891 bfa_fcxp_discard(ms->fcxp);
2892 break;
2893
2894 default:
2895 bfa_sm_fault(ms->port->fcs, event);
2896 }
2897 }
2898
2899 static void
2900 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2901 enum port_ms_event event)
2902 {
2903 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2904 bfa_trc(ms->port->fcs, event);
2905
2906 switch (event) {
2907 case MSSM_EVENT_TIMEOUT:
2908 /*
2909 * Retry Timer Expired. Re-send
2910 */
2911 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2912 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2913 break;
2914
2915 case MSSM_EVENT_PORT_OFFLINE:
2916 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2917 bfa_timer_stop(&ms->timer);
2918 break;
2919
2920 default:
2921 bfa_sm_fault(ms->port->fcs, event);
2922 }
2923 }
2924 /*
2925 * ms_pvt MS local functions
2926 */
2927
2928 static void
2929 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2930 {
2931 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2932 bfa_fcs_lport_t *port = ms->port;
2933 struct fchs_s fchs;
2934 int len;
2935 struct bfa_fcxp_s *fcxp;
2936
2937 bfa_trc(port->fcs, port->pid);
2938
2939 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
2940 if (!fcxp) {
2941 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2942 bfa_fcs_lport_ms_send_gfn, ms);
2943 return;
2944 }
2945 ms->fcxp = fcxp;
2946
2947 len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2948 bfa_fcs_lport_get_fcid(port),
2949 port->fabric->lps->pr_nwwn);
2950
2951 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2952 FC_CLASS_3, len, &fchs,
2953 bfa_fcs_lport_ms_gfn_response, (void *)ms,
2954 FC_MAX_PDUSZ, FC_FCCT_TOV);
2955
2956 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2957 }
2958
2959 static void
2960 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2961 void *cbarg, bfa_status_t req_status, u32 rsp_len,
2962 u32 resid_len, struct fchs_s *rsp_fchs)
2963 {
2964 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2965 bfa_fcs_lport_t *port = ms->port;
2966 struct ct_hdr_s *cthdr = NULL;
2967 wwn_t *gfn_resp;
2968
2969 bfa_trc(port->fcs, req_status);
2970 bfa_trc(port->fcs, port->port_cfg.pwwn);
2971
2972 /*
2973 * Sanity Checks
2974 */
2975 if (req_status != BFA_STATUS_OK) {
2976 bfa_trc(port->fcs, req_status);
2977 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2978 return;
2979 }
2980
2981 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2982 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2983
2984 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2985 gfn_resp = (wwn_t *)(cthdr + 1);
2986 /* check if it has actually changed */
2987 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
2988 gfn_resp, sizeof(wwn_t)) != 0)) {
2989 bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
2990 }
2991 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
2992 return;
2993 }
2994
2995 bfa_trc(port->fcs, cthdr->reason_code);
2996 bfa_trc(port->fcs, cthdr->exp_code);
2997 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2998 }
2999
3000 /*
3001 * ms_pvt MS local functions
3002 */
3003
3004 static void
3005 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3006 {
3007 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3008 struct bfa_fcs_lport_s *port = ms->port;
3009 struct fchs_s fchs;
3010 int len;
3011 struct bfa_fcxp_s *fcxp;
3012
3013 bfa_trc(port->fcs, port->pid);
3014
3015 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3016 if (!fcxp) {
3017 port->stats.ms_plogi_alloc_wait++;
3018 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3019 bfa_fcs_lport_ms_send_plogi, ms);
3020 return;
3021 }
3022 ms->fcxp = fcxp;
3023
3024 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3025 bfa_hton3b(FC_MGMT_SERVER),
3026 bfa_fcs_lport_get_fcid(port), 0,
3027 port->port_cfg.pwwn, port->port_cfg.nwwn,
3028 bfa_fcport_get_maxfrsize(port->fcs->bfa),
3029 bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3030
3031 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3032 FC_CLASS_3, len, &fchs,
3033 bfa_fcs_lport_ms_plogi_response, (void *)ms,
3034 FC_MAX_PDUSZ, FC_ELS_TOV);
3035
3036 port->stats.ms_plogi_sent++;
3037 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3038 }
3039
3040 static void
3041 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3042 void *cbarg, bfa_status_t req_status,
3043 u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
3044 {
3045 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3046 struct bfa_fcs_lport_s *port = ms->port;
3047 struct fc_els_cmd_s *els_cmd;
3048 struct fc_ls_rjt_s *ls_rjt;
3049
3050 bfa_trc(port->fcs, req_status);
3051 bfa_trc(port->fcs, port->port_cfg.pwwn);
3052
3053 /*
3054 * Sanity Checks
3055 */
3056 if (req_status != BFA_STATUS_OK) {
3057 port->stats.ms_plogi_rsp_err++;
3058 bfa_trc(port->fcs, req_status);
3059 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3060 return;
3061 }
3062
3063 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3064
3065 switch (els_cmd->els_code) {
3066
3067 case FC_ELS_ACC:
3068 if (rsp_len < sizeof(struct fc_logi_s)) {
3069 bfa_trc(port->fcs, rsp_len);
3070 port->stats.ms_plogi_acc_err++;
3071 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3072 break;
3073 }
3074 port->stats.ms_plogi_accepts++;
3075 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3076 break;
3077
3078 case FC_ELS_LS_RJT:
3079 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3080
3081 bfa_trc(port->fcs, ls_rjt->reason_code);
3082 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3083
3084 port->stats.ms_rejects++;
3085 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3086 break;
3087
3088 default:
3089 port->stats.ms_plogi_unknown_rsp++;
3090 bfa_trc(port->fcs, els_cmd->els_code);
3091 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3092 }
3093 }
3094
3095 static void
3096 bfa_fcs_lport_ms_timeout(void *arg)
3097 {
3098 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
3099
3100 ms->port->stats.ms_timeouts++;
3101 bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
3102 }
3103
3104
3105 void
3106 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
3107 {
3108 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3109
3110 ms->port = port;
3111 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3112
3113 /*
3114 * Invoke init routines of sub modules.
3115 */
3116 bfa_fcs_lport_fdmi_init(ms);
3117 }
3118
3119 void
3120 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
3121 {
3122 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3123
3124 ms->port = port;
3125 bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
3126 bfa_fcs_lport_fdmi_offline(ms);
3127 }
3128
3129 void
3130 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3131 {
3132 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3133
3134 ms->port = port;
3135 bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3136 }
3137 void
3138 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3139 {
3140 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3141
3142 /* todo. Handle this only when in Online state */
3143 if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3144 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3145 }
3146
3147 /*
3148 * @page ns_sm_info VPORT NS State Machine
3149 *
3150 * @section ns_sm_interactions VPORT NS State Machine Interactions
3151 *
3152 * @section ns_sm VPORT NS State Machine
3153 * img ns_sm.jpg
3154 */
3155
3156 /*
3157 * forward declarations
3158 */
3159 static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3160 struct bfa_fcxp_s *fcxp_alloced);
3161 static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3162 struct bfa_fcxp_s *fcxp_alloced);
3163 static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3164 struct bfa_fcxp_s *fcxp_alloced);
3165 static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3166 struct bfa_fcxp_s *fcxp_alloced);
3167 static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3168 struct bfa_fcxp_s *fcxp_alloced);
3169 static void bfa_fcs_lport_ns_timeout(void *arg);
3170 static void bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3171 struct bfa_fcxp_s *fcxp,
3172 void *cbarg,
3173 bfa_status_t req_status,
3174 u32 rsp_len,
3175 u32 resid_len,
3176 struct fchs_s *rsp_fchs);
3177 static void bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3178 struct bfa_fcxp_s *fcxp,
3179 void *cbarg,
3180 bfa_status_t req_status,
3181 u32 rsp_len,
3182 u32 resid_len,
3183 struct fchs_s *rsp_fchs);
3184 static void bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3185 struct bfa_fcxp_s *fcxp,
3186 void *cbarg,
3187 bfa_status_t req_status,
3188 u32 rsp_len,
3189 u32 resid_len,
3190 struct fchs_s *rsp_fchs);
3191 static void bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3192 struct bfa_fcxp_s *fcxp,
3193 void *cbarg,
3194 bfa_status_t req_status,
3195 u32 rsp_len,
3196 u32 resid_len,
3197 struct fchs_s *rsp_fchs);
3198 static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3199 struct bfa_fcxp_s *fcxp,
3200 void *cbarg,
3201 bfa_status_t req_status,
3202 u32 rsp_len,
3203 u32 resid_len,
3204 struct fchs_s *rsp_fchs);
3205 static void bfa_fcs_lport_ns_process_gidft_pids(
3206 struct bfa_fcs_lport_s *port,
3207 u32 *pid_buf, u32 n_pids);
3208
3209 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3210 /*
3211 * fcs_ns_sm FCS nameserver interface state machine
3212 */
3213
3214 /*
3215 * VPort NS State Machine events
3216 */
3217 enum vport_ns_event {
3218 NSSM_EVENT_PORT_ONLINE = 1,
3219 NSSM_EVENT_PORT_OFFLINE = 2,
3220 NSSM_EVENT_PLOGI_SENT = 3,
3221 NSSM_EVENT_RSP_OK = 4,
3222 NSSM_EVENT_RSP_ERROR = 5,
3223 NSSM_EVENT_TIMEOUT = 6,
3224 NSSM_EVENT_NS_QUERY = 7,
3225 NSSM_EVENT_RSPNID_SENT = 8,
3226 NSSM_EVENT_RFTID_SENT = 9,
3227 NSSM_EVENT_RFFID_SENT = 10,
3228 NSSM_EVENT_GIDFT_SENT = 11,
3229 };
3230
3231 static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3232 enum vport_ns_event event);
3233 static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3234 enum vport_ns_event event);
3235 static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3236 enum vport_ns_event event);
3237 static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3238 enum vport_ns_event event);
3239 static void bfa_fcs_lport_ns_sm_sending_rspn_id(
3240 struct bfa_fcs_lport_ns_s *ns,
3241 enum vport_ns_event event);
3242 static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3243 enum vport_ns_event event);
3244 static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3245 enum vport_ns_event event);
3246 static void bfa_fcs_lport_ns_sm_sending_rft_id(
3247 struct bfa_fcs_lport_ns_s *ns,
3248 enum vport_ns_event event);
3249 static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3250 enum vport_ns_event event);
3251 static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3252 enum vport_ns_event event);
3253 static void bfa_fcs_lport_ns_sm_sending_rff_id(
3254 struct bfa_fcs_lport_ns_s *ns,
3255 enum vport_ns_event event);
3256 static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3257 enum vport_ns_event event);
3258 static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3259 enum vport_ns_event event);
3260 static void bfa_fcs_lport_ns_sm_sending_gid_ft(
3261 struct bfa_fcs_lport_ns_s *ns,
3262 enum vport_ns_event event);
3263 static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3264 enum vport_ns_event event);
3265 static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3266 enum vport_ns_event event);
3267 static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3268 enum vport_ns_event event);
3269 /*
3270 * Start in offline state - awaiting linkup
3271 */
3272 static void
3273 bfa_fcs_lport_ns_sm_offline(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_PORT_ONLINE:
3281 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3282 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3283 break;
3284
3285 case NSSM_EVENT_PORT_OFFLINE:
3286 break;
3287
3288 default:
3289 bfa_sm_fault(ns->port->fcs, event);
3290 }
3291 }
3292
3293 static void
3294 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3295 enum vport_ns_event event)
3296 {
3297 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3298 bfa_trc(ns->port->fcs, event);
3299
3300 switch (event) {
3301 case NSSM_EVENT_PLOGI_SENT:
3302 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3303 break;
3304
3305 case NSSM_EVENT_PORT_OFFLINE:
3306 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3307 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3308 &ns->fcxp_wqe);
3309 break;
3310
3311 default:
3312 bfa_sm_fault(ns->port->fcs, event);
3313 }
3314 }
3315
3316 static void
3317 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3318 enum vport_ns_event event)
3319 {
3320 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3321 bfa_trc(ns->port->fcs, event);
3322
3323 switch (event) {
3324 case NSSM_EVENT_RSP_ERROR:
3325 /*
3326 * Start timer for a delayed retry
3327 */
3328 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3329 ns->port->stats.ns_retries++;
3330 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3331 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3332 BFA_FCS_RETRY_TIMEOUT);
3333 break;
3334
3335 case NSSM_EVENT_RSP_OK:
3336 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3337 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3338 break;
3339
3340 case NSSM_EVENT_PORT_OFFLINE:
3341 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3342 bfa_fcxp_discard(ns->fcxp);
3343 break;
3344
3345 default:
3346 bfa_sm_fault(ns->port->fcs, event);
3347 }
3348 }
3349
3350 static void
3351 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3352 enum vport_ns_event event)
3353 {
3354 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3355 bfa_trc(ns->port->fcs, event);
3356
3357 switch (event) {
3358 case NSSM_EVENT_TIMEOUT:
3359 /*
3360 * Retry Timer Expired. Re-send
3361 */
3362 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3363 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3364 break;
3365
3366 case NSSM_EVENT_PORT_OFFLINE:
3367 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3368 bfa_timer_stop(&ns->timer);
3369 break;
3370
3371 default:
3372 bfa_sm_fault(ns->port->fcs, event);
3373 }
3374 }
3375
3376 static void
3377 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3378 enum vport_ns_event event)
3379 {
3380 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3381 bfa_trc(ns->port->fcs, event);
3382
3383 switch (event) {
3384 case NSSM_EVENT_RSPNID_SENT:
3385 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
3386 break;
3387
3388 case NSSM_EVENT_PORT_OFFLINE:
3389 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3390 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3391 &ns->fcxp_wqe);
3392 break;
3393
3394 default:
3395 bfa_sm_fault(ns->port->fcs, event);
3396 }
3397 }
3398
3399 static void
3400 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3401 enum vport_ns_event event)
3402 {
3403 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3404 bfa_trc(ns->port->fcs, event);
3405
3406 switch (event) {
3407 case NSSM_EVENT_RSP_ERROR:
3408 /*
3409 * Start timer for a delayed retry
3410 */
3411 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
3412 ns->port->stats.ns_retries++;
3413 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3414 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3415 BFA_FCS_RETRY_TIMEOUT);
3416 break;
3417
3418 case NSSM_EVENT_RSP_OK:
3419 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3420 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3421 break;
3422
3423 case NSSM_EVENT_PORT_OFFLINE:
3424 bfa_fcxp_discard(ns->fcxp);
3425 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3426 break;
3427
3428 default:
3429 bfa_sm_fault(ns->port->fcs, event);
3430 }
3431 }
3432
3433 static void
3434 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3435 enum vport_ns_event event)
3436 {
3437 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3438 bfa_trc(ns->port->fcs, event);
3439
3440 switch (event) {
3441 case NSSM_EVENT_TIMEOUT:
3442 /*
3443 * Retry Timer Expired. Re-send
3444 */
3445 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3446 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3447 break;
3448
3449 case NSSM_EVENT_PORT_OFFLINE:
3450 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3451 bfa_timer_stop(&ns->timer);
3452 break;
3453
3454 default:
3455 bfa_sm_fault(ns->port->fcs, event);
3456 }
3457 }
3458
3459 static void
3460 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
3461 enum vport_ns_event event)
3462 {
3463 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3464 bfa_trc(ns->port->fcs, event);
3465
3466 switch (event) {
3467 case NSSM_EVENT_RFTID_SENT:
3468 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
3469 break;
3470
3471 case NSSM_EVENT_PORT_OFFLINE:
3472 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3473 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3474 &ns->fcxp_wqe);
3475 break;
3476
3477 default:
3478 bfa_sm_fault(ns->port->fcs, event);
3479 }
3480 }
3481
3482 static void
3483 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3484 enum vport_ns_event event)
3485 {
3486 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3487 bfa_trc(ns->port->fcs, event);
3488
3489 switch (event) {
3490 case NSSM_EVENT_RSP_OK:
3491 /* Now move to register FC4 Features */
3492 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
3493 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
3494 break;
3495
3496 case NSSM_EVENT_RSP_ERROR:
3497 /*
3498 * Start timer for a delayed retry
3499 */
3500 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
3501 ns->port->stats.ns_retries++;
3502 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3503 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3504 BFA_FCS_RETRY_TIMEOUT);
3505 break;
3506
3507 case NSSM_EVENT_PORT_OFFLINE:
3508 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3509 bfa_fcxp_discard(ns->fcxp);
3510 break;
3511
3512 default:
3513 bfa_sm_fault(ns->port->fcs, event);
3514 }
3515 }
3516
3517 static void
3518 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3519 enum vport_ns_event event)
3520 {
3521 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3522 bfa_trc(ns->port->fcs, event);
3523
3524 switch (event) {
3525 case NSSM_EVENT_TIMEOUT:
3526 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3527 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3528 break;
3529
3530 case NSSM_EVENT_PORT_OFFLINE:
3531 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3532 bfa_timer_stop(&ns->timer);
3533 break;
3534
3535 default:
3536 bfa_sm_fault(ns->port->fcs, event);
3537 }
3538 }
3539
3540 static void
3541 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
3542 enum vport_ns_event event)
3543 {
3544 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3545 bfa_trc(ns->port->fcs, event);
3546
3547 switch (event) {
3548 case NSSM_EVENT_RFFID_SENT:
3549 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
3550 break;
3551
3552 case NSSM_EVENT_PORT_OFFLINE:
3553 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3554 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3555 &ns->fcxp_wqe);
3556 break;
3557
3558 default:
3559 bfa_sm_fault(ns->port->fcs, event);
3560 }
3561 }
3562
3563 static void
3564 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3565 enum vport_ns_event event)
3566 {
3567 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3568 bfa_trc(ns->port->fcs, event);
3569
3570 switch (event) {
3571 case NSSM_EVENT_RSP_OK:
3572
3573 /*
3574 * If min cfg mode is enabled, we donot initiate rport
3575 * discovery with the fabric. Instead, we will retrieve the
3576 * boot targets from HAL/FW.
3577 */
3578 if (__fcs_min_cfg(ns->port->fcs)) {
3579 bfa_fcs_lport_ns_boot_target_disc(ns->port);
3580 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
3581 return;
3582 }
3583
3584 /*
3585 * If the port role is Initiator Mode issue NS query.
3586 * If it is Target Mode, skip this and go to online.
3587 */
3588 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
3589 bfa_sm_set_state(ns,
3590 bfa_fcs_lport_ns_sm_sending_gid_ft);
3591 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3592 }
3593 /*
3594 * kick off mgmt srvr state machine
3595 */
3596 bfa_fcs_lport_ms_online(ns->port);
3597 break;
3598
3599 case NSSM_EVENT_RSP_ERROR:
3600 /*
3601 * Start timer for a delayed retry
3602 */
3603 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
3604 ns->port->stats.ns_retries++;
3605 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3606 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3607 BFA_FCS_RETRY_TIMEOUT);
3608 break;
3609
3610 case NSSM_EVENT_PORT_OFFLINE:
3611 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3612 bfa_fcxp_discard(ns->fcxp);
3613 break;
3614
3615 default:
3616 bfa_sm_fault(ns->port->fcs, event);
3617 }
3618 }
3619
3620 static void
3621 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3622 enum vport_ns_event event)
3623 {
3624 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3625 bfa_trc(ns->port->fcs, event);
3626
3627 switch (event) {
3628 case NSSM_EVENT_TIMEOUT:
3629 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
3630 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
3631 break;
3632
3633 case NSSM_EVENT_PORT_OFFLINE:
3634 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3635 bfa_timer_stop(&ns->timer);
3636 break;
3637
3638 default:
3639 bfa_sm_fault(ns->port->fcs, event);
3640 }
3641 }
3642 static void
3643 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3644 enum vport_ns_event event)
3645 {
3646 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3647 bfa_trc(ns->port->fcs, event);
3648
3649 switch (event) {
3650 case NSSM_EVENT_GIDFT_SENT:
3651 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
3652 break;
3653
3654 case NSSM_EVENT_PORT_OFFLINE:
3655 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3656 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3657 &ns->fcxp_wqe);
3658 break;
3659
3660 default:
3661 bfa_sm_fault(ns->port->fcs, event);
3662 }
3663 }
3664
3665 static void
3666 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3667 enum vport_ns_event event)
3668 {
3669 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3670 bfa_trc(ns->port->fcs, event);
3671
3672 switch (event) {
3673 case NSSM_EVENT_RSP_OK:
3674 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
3675 break;
3676
3677 case NSSM_EVENT_RSP_ERROR:
3678 /*
3679 * TBD: for certain reject codes, we don't need to retry
3680 */
3681 /*
3682 * Start timer for a delayed retry
3683 */
3684 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
3685 ns->port->stats.ns_retries++;
3686 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3687 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3688 BFA_FCS_RETRY_TIMEOUT);
3689 break;
3690
3691 case NSSM_EVENT_PORT_OFFLINE:
3692 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3693 bfa_fcxp_discard(ns->fcxp);
3694 break;
3695
3696 case NSSM_EVENT_NS_QUERY:
3697 break;
3698
3699 default:
3700 bfa_sm_fault(ns->port->fcs, event);
3701 }
3702 }
3703
3704 static void
3705 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3706 enum vport_ns_event event)
3707 {
3708 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3709 bfa_trc(ns->port->fcs, event);
3710
3711 switch (event) {
3712 case NSSM_EVENT_TIMEOUT:
3713 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
3714 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3715 break;
3716
3717 case NSSM_EVENT_PORT_OFFLINE:
3718 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3719 bfa_timer_stop(&ns->timer);
3720 break;
3721
3722 default:
3723 bfa_sm_fault(ns->port->fcs, event);
3724 }
3725 }
3726
3727 static void
3728 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3729 enum vport_ns_event event)
3730 {
3731 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3732 bfa_trc(ns->port->fcs, event);
3733
3734 switch (event) {
3735 case NSSM_EVENT_PORT_OFFLINE:
3736 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3737 break;
3738
3739 case NSSM_EVENT_NS_QUERY:
3740 /*
3741 * If the port role is Initiator Mode issue NS query.
3742 * If it is Target Mode, skip this and go to online.
3743 */
3744 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
3745 bfa_sm_set_state(ns,
3746 bfa_fcs_lport_ns_sm_sending_gid_ft);
3747 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3748 };
3749 break;
3750
3751 default:
3752 bfa_sm_fault(ns->port->fcs, event);
3753 }
3754 }
3755
3756
3757
3758 /*
3759 * ns_pvt Nameserver local functions
3760 */
3761
3762 static void
3763 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3764 {
3765 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3766 struct bfa_fcs_lport_s *port = ns->port;
3767 struct fchs_s fchs;
3768 int len;
3769 struct bfa_fcxp_s *fcxp;
3770
3771 bfa_trc(port->fcs, port->pid);
3772
3773 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3774 if (!fcxp) {
3775 port->stats.ns_plogi_alloc_wait++;
3776 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3777 bfa_fcs_lport_ns_send_plogi, ns);
3778 return;
3779 }
3780 ns->fcxp = fcxp;
3781
3782 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3783 bfa_hton3b(FC_NAME_SERVER),
3784 bfa_fcs_lport_get_fcid(port), 0,
3785 port->port_cfg.pwwn, port->port_cfg.nwwn,
3786 bfa_fcport_get_maxfrsize(port->fcs->bfa),
3787 bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3788
3789 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3790 FC_CLASS_3, len, &fchs,
3791 bfa_fcs_lport_ns_plogi_response, (void *)ns,
3792 FC_MAX_PDUSZ, FC_ELS_TOV);
3793 port->stats.ns_plogi_sent++;
3794
3795 bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
3796 }
3797
3798 static void
3799 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3800 void *cbarg, bfa_status_t req_status, u32 rsp_len,
3801 u32 resid_len, struct fchs_s *rsp_fchs)
3802 {
3803 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3804 struct bfa_fcs_lport_s *port = ns->port;
3805 /* struct fc_logi_s *plogi_resp; */
3806 struct fc_els_cmd_s *els_cmd;
3807 struct fc_ls_rjt_s *ls_rjt;
3808
3809 bfa_trc(port->fcs, req_status);
3810 bfa_trc(port->fcs, port->port_cfg.pwwn);
3811
3812 /*
3813 * Sanity Checks
3814 */
3815 if (req_status != BFA_STATUS_OK) {
3816 bfa_trc(port->fcs, req_status);
3817 port->stats.ns_plogi_rsp_err++;
3818 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3819 return;
3820 }
3821
3822 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3823
3824 switch (els_cmd->els_code) {
3825
3826 case FC_ELS_ACC:
3827 if (rsp_len < sizeof(struct fc_logi_s)) {
3828 bfa_trc(port->fcs, rsp_len);
3829 port->stats.ns_plogi_acc_err++;
3830 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3831 break;
3832 }
3833 port->stats.ns_plogi_accepts++;
3834 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3835 break;
3836
3837 case FC_ELS_LS_RJT:
3838 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3839
3840 bfa_trc(port->fcs, ls_rjt->reason_code);
3841 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3842
3843 port->stats.ns_rejects++;
3844
3845 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3846 break;
3847
3848 default:
3849 port->stats.ns_plogi_unknown_rsp++;
3850 bfa_trc(port->fcs, els_cmd->els_code);
3851 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3852 }
3853 }
3854
3855 /*
3856 * Register the symbolic port name.
3857 */
3858 static void
3859 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3860 {
3861 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3862 struct bfa_fcs_lport_s *port = ns->port;
3863 struct fchs_s fchs;
3864 int len;
3865 struct bfa_fcxp_s *fcxp;
3866 u8 symbl[256];
3867 u8 *psymbl = &symbl[0];
3868
3869 memset(symbl, 0, sizeof(symbl));
3870
3871 bfa_trc(port->fcs, port->port_cfg.pwwn);
3872
3873 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3874 if (!fcxp) {
3875 port->stats.ns_rspnid_alloc_wait++;
3876 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3877 bfa_fcs_lport_ns_send_rspn_id, ns);
3878 return;
3879 }
3880 ns->fcxp = fcxp;
3881
3882 /*
3883 * for V-Port, form a Port Symbolic Name
3884 */
3885 if (port->vport) {
3886 /*
3887 * For Vports, we append the vport's port symbolic name
3888 * to that of the base port.
3889 */
3890
3891 strncpy((char *)psymbl,
3892 (char *) &
3893 (bfa_fcs_lport_get_psym_name
3894 (bfa_fcs_get_base_port(port->fcs))),
3895 strlen((char *) &
3896 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
3897 (port->fcs))));
3898
3899 /* Ensure we have a null terminating string. */
3900 ((char *)psymbl)[strlen((char *) &
3901 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
3902 (port->fcs)))] = 0;
3903 strncat((char *)psymbl,
3904 (char *) &(bfa_fcs_lport_get_psym_name(port)),
3905 strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
3906 } else {
3907 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
3908 }
3909
3910 len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3911 bfa_fcs_lport_get_fcid(port), 0, psymbl);
3912
3913 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3914 FC_CLASS_3, len, &fchs,
3915 bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
3916 FC_MAX_PDUSZ, FC_FCCT_TOV);
3917
3918 port->stats.ns_rspnid_sent++;
3919
3920 bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
3921 }
3922
3923 static void
3924 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3925 void *cbarg, bfa_status_t req_status,
3926 u32 rsp_len, u32 resid_len,
3927 struct fchs_s *rsp_fchs)
3928 {
3929 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
3930 struct bfa_fcs_lport_s *port = ns->port;
3931 struct ct_hdr_s *cthdr = NULL;
3932
3933 bfa_trc(port->fcs, port->port_cfg.pwwn);
3934
3935 /*
3936 * Sanity Checks
3937 */
3938 if (req_status != BFA_STATUS_OK) {
3939 bfa_trc(port->fcs, req_status);
3940 port->stats.ns_rspnid_rsp_err++;
3941 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3942 return;
3943 }
3944
3945 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3946 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3947
3948 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3949 port->stats.ns_rspnid_accepts++;
3950 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
3951 return;
3952 }
3953
3954 port->stats.ns_rspnid_rejects++;
3955 bfa_trc(port->fcs, cthdr->reason_code);
3956 bfa_trc(port->fcs, cthdr->exp_code);
3957 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
3958 }
3959
3960 /*
3961 * Register FC4-Types
3962 */
3963 static void
3964 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3965 {
3966 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
3967 struct bfa_fcs_lport_s *port = ns->port;
3968 struct fchs_s fchs;
3969 int len;
3970 struct bfa_fcxp_s *fcxp;
3971
3972 bfa_trc(port->fcs, port->port_cfg.pwwn);
3973
3974 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
3975 if (!fcxp) {
3976 port->stats.ns_rftid_alloc_wait++;
3977 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
3978 bfa_fcs_lport_ns_send_rft_id, ns);
3979 return;
3980 }
3981 ns->fcxp = fcxp;
3982
3983 len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3984 bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
3985
3986 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3987 FC_CLASS_3, len, &fchs,
3988 bfa_fcs_lport_ns_rft_id_response, (void *)ns,
3989 FC_MAX_PDUSZ, FC_FCCT_TOV);
3990
3991 port->stats.ns_rftid_sent++;
3992 bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
3993 }
3994
3995 static void
3996 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3997 void *cbarg, bfa_status_t req_status,
3998 u32 rsp_len, u32 resid_len,
3999 struct fchs_s *rsp_fchs)
4000 {
4001 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4002 struct bfa_fcs_lport_s *port = ns->port;
4003 struct ct_hdr_s *cthdr = NULL;
4004
4005 bfa_trc(port->fcs, port->port_cfg.pwwn);
4006
4007 /*
4008 * Sanity Checks
4009 */
4010 if (req_status != BFA_STATUS_OK) {
4011 bfa_trc(port->fcs, req_status);
4012 port->stats.ns_rftid_rsp_err++;
4013 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4014 return;
4015 }
4016
4017 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4018 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4019
4020 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4021 port->stats.ns_rftid_accepts++;
4022 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4023 return;
4024 }
4025
4026 port->stats.ns_rftid_rejects++;
4027 bfa_trc(port->fcs, cthdr->reason_code);
4028 bfa_trc(port->fcs, cthdr->exp_code);
4029 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4030 }
4031
4032 /*
4033 * Register FC4-Features : Should be done after RFT_ID
4034 */
4035 static void
4036 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4037 {
4038 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4039 struct bfa_fcs_lport_s *port = ns->port;
4040 struct fchs_s fchs;
4041 int len;
4042 struct bfa_fcxp_s *fcxp;
4043 u8 fc4_ftrs = 0;
4044
4045 bfa_trc(port->fcs, port->port_cfg.pwwn);
4046
4047 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
4048 if (!fcxp) {
4049 port->stats.ns_rffid_alloc_wait++;
4050 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4051 bfa_fcs_lport_ns_send_rff_id, ns);
4052 return;
4053 }
4054 ns->fcxp = fcxp;
4055
4056 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
4057 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
4058
4059 len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4060 bfa_fcs_lport_get_fcid(port), 0,
4061 FC_TYPE_FCP, fc4_ftrs);
4062
4063 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4064 FC_CLASS_3, len, &fchs,
4065 bfa_fcs_lport_ns_rff_id_response, (void *)ns,
4066 FC_MAX_PDUSZ, FC_FCCT_TOV);
4067
4068 port->stats.ns_rffid_sent++;
4069 bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
4070 }
4071
4072 static void
4073 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4074 void *cbarg, bfa_status_t req_status,
4075 u32 rsp_len, u32 resid_len,
4076 struct fchs_s *rsp_fchs)
4077 {
4078 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4079 struct bfa_fcs_lport_s *port = ns->port;
4080 struct ct_hdr_s *cthdr = NULL;
4081
4082 bfa_trc(port->fcs, port->port_cfg.pwwn);
4083
4084 /*
4085 * Sanity Checks
4086 */
4087 if (req_status != BFA_STATUS_OK) {
4088 bfa_trc(port->fcs, req_status);
4089 port->stats.ns_rffid_rsp_err++;
4090 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4091 return;
4092 }
4093
4094 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4095 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4096
4097 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4098 port->stats.ns_rffid_accepts++;
4099 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4100 return;
4101 }
4102
4103 port->stats.ns_rffid_rejects++;
4104 bfa_trc(port->fcs, cthdr->reason_code);
4105 bfa_trc(port->fcs, cthdr->exp_code);
4106
4107 if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
4108 /* if this command is not supported, we don't retry */
4109 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4110 } else
4111 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4112 }
4113 /*
4114 * Query Fabric for FC4-Types Devices.
4115 *
4116 * TBD : Need to use a local (FCS private) response buffer, since the response
4117 * can be larger than 2K.
4118 */
4119 static void
4120 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4121 {
4122 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4123 struct bfa_fcs_lport_s *port = ns->port;
4124 struct fchs_s fchs;
4125 int len;
4126 struct bfa_fcxp_s *fcxp;
4127
4128 bfa_trc(port->fcs, port->pid);
4129
4130 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
4131 if (!fcxp) {
4132 port->stats.ns_gidft_alloc_wait++;
4133 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4134 bfa_fcs_lport_ns_send_gid_ft, ns);
4135 return;
4136 }
4137 ns->fcxp = fcxp;
4138
4139 /*
4140 * This query is only initiated for FCP initiator mode.
4141 */
4142 len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4143 ns->port->pid, FC_TYPE_FCP);
4144
4145 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4146 FC_CLASS_3, len, &fchs,
4147 bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4148 bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4149
4150 port->stats.ns_gidft_sent++;
4151
4152 bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4153 }
4154
4155 static void
4156 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4157 void *cbarg, bfa_status_t req_status,
4158 u32 rsp_len, u32 resid_len,
4159 struct fchs_s *rsp_fchs)
4160 {
4161 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4162 struct bfa_fcs_lport_s *port = ns->port;
4163 struct ct_hdr_s *cthdr = NULL;
4164 u32 n_pids;
4165
4166 bfa_trc(port->fcs, port->port_cfg.pwwn);
4167
4168 /*
4169 * Sanity Checks
4170 */
4171 if (req_status != BFA_STATUS_OK) {
4172 bfa_trc(port->fcs, req_status);
4173 port->stats.ns_gidft_rsp_err++;
4174 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4175 return;
4176 }
4177
4178 if (resid_len != 0) {
4179 /*
4180 * TBD : we will need to allocate a larger buffer & retry the
4181 * command
4182 */
4183 bfa_trc(port->fcs, rsp_len);
4184 bfa_trc(port->fcs, resid_len);
4185 return;
4186 }
4187
4188 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4189 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4190
4191 switch (cthdr->cmd_rsp_code) {
4192
4193 case CT_RSP_ACCEPT:
4194
4195 port->stats.ns_gidft_accepts++;
4196 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4197 bfa_trc(port->fcs, n_pids);
4198 bfa_fcs_lport_ns_process_gidft_pids(port,
4199 (u32 *) (cthdr + 1),
4200 n_pids);
4201 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4202 break;
4203
4204 case CT_RSP_REJECT:
4205
4206 /*
4207 * Check the reason code & explanation.
4208 * There may not have been any FC4 devices in the fabric
4209 */
4210 port->stats.ns_gidft_rejects++;
4211 bfa_trc(port->fcs, cthdr->reason_code);
4212 bfa_trc(port->fcs, cthdr->exp_code);
4213
4214 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4215 && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4216
4217 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4218 } else {
4219 /*
4220 * for all other errors, retry
4221 */
4222 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4223 }
4224 break;
4225
4226 default:
4227 port->stats.ns_gidft_unknown_rsp++;
4228 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
4229 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4230 }
4231 }
4232
4233 /*
4234 * This routine will be called by bfa_timer on timer timeouts.
4235 *
4236 * param[in] port - pointer to bfa_fcs_lport_t.
4237 *
4238 * return
4239 * void
4240 *
4241 * Special Considerations:
4242 *
4243 * note
4244 */
4245 static void
4246 bfa_fcs_lport_ns_timeout(void *arg)
4247 {
4248 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
4249
4250 ns->port->stats.ns_timeouts++;
4251 bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
4252 }
4253
4254 /*
4255 * Process the PID list in GID_FT response
4256 */
4257 static void
4258 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
4259 u32 n_pids)
4260 {
4261 struct fcgs_gidft_resp_s *gidft_entry;
4262 struct bfa_fcs_rport_s *rport;
4263 u32 ii;
4264
4265 for (ii = 0; ii < n_pids; ii++) {
4266 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
4267
4268 if (gidft_entry->pid == port->pid)
4269 continue;
4270
4271 /*
4272 * Check if this rport already exists
4273 */
4274 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
4275 if (rport == NULL) {
4276 /*
4277 * this is a new device. create rport
4278 */
4279 rport = bfa_fcs_rport_create(port, gidft_entry->pid);
4280 } else {
4281 /*
4282 * this rport already exists
4283 */
4284 bfa_fcs_rport_scn(rport);
4285 }
4286
4287 bfa_trc(port->fcs, gidft_entry->pid);
4288
4289 /*
4290 * if the last entry bit is set, bail out.
4291 */
4292 if (gidft_entry->last)
4293 return;
4294 }
4295 }
4296
4297 /*
4298 * fcs_ns_public FCS nameserver public interfaces
4299 */
4300
4301 /*
4302 * Functions called by port/fab.
4303 * These will send relevant Events to the ns state machine.
4304 */
4305 void
4306 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
4307 {
4308 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4309
4310 ns->port = port;
4311 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4312 }
4313
4314 void
4315 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
4316 {
4317 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4318
4319 ns->port = port;
4320 bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
4321 }
4322
4323 void
4324 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
4325 {
4326 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4327
4328 ns->port = port;
4329 bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
4330 }
4331
4332 void
4333 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
4334 {
4335 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4336
4337 bfa_trc(port->fcs, port->pid);
4338 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
4339 }
4340
4341 static void
4342 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
4343 {
4344
4345 struct bfa_fcs_rport_s *rport;
4346 u8 nwwns;
4347 wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
4348 int ii;
4349
4350 bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
4351
4352 for (ii = 0 ; ii < nwwns; ++ii) {
4353 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
4354 WARN_ON(!rport);
4355 }
4356 }
4357
4358 /*
4359 * FCS SCN
4360 */
4361
4362 #define FC_QOS_RSCN_EVENT 0x0c
4363 #define FC_FABRIC_NAME_RSCN_EVENT 0x0d
4364
4365 /*
4366 * forward declarations
4367 */
4368 static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
4369 struct bfa_fcxp_s *fcxp_alloced);
4370 static void bfa_fcs_lport_scn_scr_response(void *fcsarg,
4371 struct bfa_fcxp_s *fcxp,
4372 void *cbarg,
4373 bfa_status_t req_status,
4374 u32 rsp_len,
4375 u32 resid_len,
4376 struct fchs_s *rsp_fchs);
4377 static void bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
4378 struct fchs_s *rx_fchs);
4379 static void bfa_fcs_lport_scn_timeout(void *arg);
4380
4381 /*
4382 * fcs_scm_sm FCS SCN state machine
4383 */
4384
4385 /*
4386 * VPort SCN State Machine events
4387 */
4388 enum port_scn_event {
4389 SCNSM_EVENT_PORT_ONLINE = 1,
4390 SCNSM_EVENT_PORT_OFFLINE = 2,
4391 SCNSM_EVENT_RSP_OK = 3,
4392 SCNSM_EVENT_RSP_ERROR = 4,
4393 SCNSM_EVENT_TIMEOUT = 5,
4394 SCNSM_EVENT_SCR_SENT = 6,
4395 };
4396
4397 static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
4398 enum port_scn_event event);
4399 static void bfa_fcs_lport_scn_sm_sending_scr(
4400 struct bfa_fcs_lport_scn_s *scn,
4401 enum port_scn_event event);
4402 static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
4403 enum port_scn_event event);
4404 static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
4405 enum port_scn_event event);
4406 static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
4407 enum port_scn_event event);
4408
4409 /*
4410 * Starting state - awaiting link up.
4411 */
4412 static void
4413 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
4414 enum port_scn_event event)
4415 {
4416 switch (event) {
4417 case SCNSM_EVENT_PORT_ONLINE:
4418 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
4419 bfa_fcs_lport_scn_send_scr(scn, NULL);
4420 break;
4421
4422 case SCNSM_EVENT_PORT_OFFLINE:
4423 break;
4424
4425 default:
4426 bfa_sm_fault(scn->port->fcs, event);
4427 }
4428 }
4429
4430 static void
4431 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
4432 enum port_scn_event event)
4433 {
4434 switch (event) {
4435 case SCNSM_EVENT_SCR_SENT:
4436 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
4437 break;
4438
4439 case SCNSM_EVENT_PORT_OFFLINE:
4440 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4441 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
4442 break;
4443
4444 default:
4445 bfa_sm_fault(scn->port->fcs, event);
4446 }
4447 }
4448
4449 static void
4450 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
4451 enum port_scn_event event)
4452 {
4453 struct bfa_fcs_lport_s *port = scn->port;
4454
4455 switch (event) {
4456 case SCNSM_EVENT_RSP_OK:
4457 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
4458 break;
4459
4460 case SCNSM_EVENT_RSP_ERROR:
4461 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
4462 bfa_timer_start(port->fcs->bfa, &scn->timer,
4463 bfa_fcs_lport_scn_timeout, scn,
4464 BFA_FCS_RETRY_TIMEOUT);
4465 break;
4466
4467 case SCNSM_EVENT_PORT_OFFLINE:
4468 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4469 bfa_fcxp_discard(scn->fcxp);
4470 break;
4471
4472 default:
4473 bfa_sm_fault(port->fcs, event);
4474 }
4475 }
4476
4477 static void
4478 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
4479 enum port_scn_event event)
4480 {
4481 switch (event) {
4482 case SCNSM_EVENT_TIMEOUT:
4483 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
4484 bfa_fcs_lport_scn_send_scr(scn, NULL);
4485 break;
4486
4487 case SCNSM_EVENT_PORT_OFFLINE:
4488 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4489 bfa_timer_stop(&scn->timer);
4490 break;
4491
4492 default:
4493 bfa_sm_fault(scn->port->fcs, event);
4494 }
4495 }
4496
4497 static void
4498 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
4499 enum port_scn_event event)
4500 {
4501 switch (event) {
4502 case SCNSM_EVENT_PORT_OFFLINE:
4503 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4504 break;
4505
4506 default:
4507 bfa_sm_fault(scn->port->fcs, event);
4508 }
4509 }
4510
4511
4512
4513 /*
4514 * fcs_scn_private FCS SCN private functions
4515 */
4516
4517 /*
4518 * This routine will be called to send a SCR command.
4519 */
4520 static void
4521 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4522 {
4523 struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
4524 struct bfa_fcs_lport_s *port = scn->port;
4525 struct fchs_s fchs;
4526 int len;
4527 struct bfa_fcxp_s *fcxp;
4528
4529 bfa_trc(port->fcs, port->pid);
4530 bfa_trc(port->fcs, port->port_cfg.pwwn);
4531
4532 fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
4533 if (!fcxp) {
4534 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
4535 bfa_fcs_lport_scn_send_scr, scn);
4536 return;
4537 }
4538 scn->fcxp = fcxp;
4539
4540 /* Handle VU registrations for Base port only */
4541 if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
4542 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4543 port->fabric->lps->brcd_switch,
4544 port->pid, 0);
4545 } else {
4546 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4547 BFA_FALSE,
4548 port->pid, 0);
4549 }
4550
4551 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4552 FC_CLASS_3, len, &fchs,
4553 bfa_fcs_lport_scn_scr_response,
4554 (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
4555
4556 bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
4557 }
4558
4559 static void
4560 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4561 void *cbarg, bfa_status_t req_status, u32 rsp_len,
4562 u32 resid_len, struct fchs_s *rsp_fchs)
4563 {
4564 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
4565 struct bfa_fcs_lport_s *port = scn->port;
4566 struct fc_els_cmd_s *els_cmd;
4567 struct fc_ls_rjt_s *ls_rjt;
4568
4569 bfa_trc(port->fcs, port->port_cfg.pwwn);
4570
4571 /*
4572 * Sanity Checks
4573 */
4574 if (req_status != BFA_STATUS_OK) {
4575 bfa_trc(port->fcs, req_status);
4576 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
4577 return;
4578 }
4579
4580 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4581
4582 switch (els_cmd->els_code) {
4583
4584 case FC_ELS_ACC:
4585 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
4586 break;
4587
4588 case FC_ELS_LS_RJT:
4589
4590 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4591
4592 bfa_trc(port->fcs, ls_rjt->reason_code);
4593 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4594
4595 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
4596 break;
4597
4598 default:
4599 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
4600 }
4601 }
4602
4603 /*
4604 * Send a LS Accept
4605 */
4606 static void
4607 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
4608 struct fchs_s *rx_fchs)
4609 {
4610 struct fchs_s fchs;
4611 struct bfa_fcxp_s *fcxp;
4612 struct bfa_rport_s *bfa_rport = NULL;
4613 int len;
4614
4615 bfa_trc(port->fcs, rx_fchs->s_id);
4616
4617 fcxp = bfa_fcs_fcxp_alloc(port->fcs);
4618 if (!fcxp)
4619 return;
4620
4621 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4622 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
4623 rx_fchs->ox_id);
4624
4625 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
4626 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
4627 FC_MAX_PDUSZ, 0);
4628 }
4629
4630 /*
4631 * This routine will be called by bfa_timer on timer timeouts.
4632 *
4633 * param[in] vport - pointer to bfa_fcs_lport_t.
4634 * param[out] vport_status - pointer to return vport status in
4635 *
4636 * return
4637 * void
4638 *
4639 * Special Considerations:
4640 *
4641 * note
4642 */
4643 static void
4644 bfa_fcs_lport_scn_timeout(void *arg)
4645 {
4646 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
4647
4648 bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
4649 }
4650
4651
4652
4653 /*
4654 * fcs_scn_public FCS state change notification public interfaces
4655 */
4656
4657 /*
4658 * Functions called by port/fab
4659 */
4660 void
4661 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
4662 {
4663 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
4664
4665 scn->port = port;
4666 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
4667 }
4668
4669 void
4670 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
4671 {
4672 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
4673
4674 scn->port = port;
4675 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
4676 }
4677
4678 void
4679 bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *port)
4680 {
4681 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
4682
4683 scn->port = port;
4684 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
4685 }
4686
4687 static void
4688 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
4689 {
4690 struct bfa_fcs_rport_s *rport;
4691
4692 bfa_trc(port->fcs, rpid);
4693
4694 /*
4695 * If this is an unknown device, then it just came online.
4696 * Otherwise let rport handle the RSCN event.
4697 */
4698 rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
4699 if (rport == NULL) {
4700 /*
4701 * If min cfg mode is enabled, we donot need to
4702 * discover any new rports.
4703 */
4704 if (!__fcs_min_cfg(port->fcs))
4705 rport = bfa_fcs_rport_create(port, rpid);
4706 } else
4707 bfa_fcs_rport_scn(rport);
4708 }
4709
4710 /*
4711 * rscn format based PID comparison
4712 */
4713 #define __fc_pid_match(__c0, __c1, __fmt) \
4714 (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \
4715 (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \
4716 ((__c0)[0] == (__c1)[0])) || \
4717 (((__fmt) == FC_RSCN_FORMAT_AREA) && \
4718 ((__c0)[0] == (__c1)[0]) && \
4719 ((__c0)[1] == (__c1)[1])))
4720
4721 static void
4722 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
4723 enum fc_rscn_format format,
4724 u32 rscn_pid)
4725 {
4726 struct bfa_fcs_rport_s *rport;
4727 struct list_head *qe, *qe_next;
4728 u8 *c0, *c1;
4729
4730 bfa_trc(port->fcs, format);
4731 bfa_trc(port->fcs, rscn_pid);
4732
4733 c0 = (u8 *) &rscn_pid;
4734
4735 list_for_each_safe(qe, qe_next, &port->rport_q) {
4736 rport = (struct bfa_fcs_rport_s *) qe;
4737 c1 = (u8 *) &rport->pid;
4738 if (__fc_pid_match(c0, c1, format))
4739 bfa_fcs_rport_scn(rport);
4740 }
4741 }
4742
4743
4744 void
4745 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
4746 struct fchs_s *fchs, u32 len)
4747 {
4748 struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
4749 int num_entries;
4750 u32 rscn_pid;
4751 bfa_boolean_t nsquery = BFA_FALSE, found;
4752 int i = 0, j;
4753
4754 num_entries =
4755 (be16_to_cpu(rscn->payldlen) -
4756 sizeof(u32)) / sizeof(rscn->event[0]);
4757
4758 bfa_trc(port->fcs, num_entries);
4759
4760 port->stats.num_rscn++;
4761
4762 bfa_fcs_lport_scn_send_ls_acc(port, fchs);
4763
4764 for (i = 0; i < num_entries; i++) {
4765 rscn_pid = rscn->event[i].portid;
4766
4767 bfa_trc(port->fcs, rscn->event[i].format);
4768 bfa_trc(port->fcs, rscn_pid);
4769
4770 /* check for duplicate entries in the list */
4771 found = BFA_FALSE;
4772 for (j = 0; j < i; j++) {
4773 if (rscn->event[j].portid == rscn_pid) {
4774 found = BFA_TRUE;
4775 break;
4776 }
4777 }
4778
4779 /* if found in down the list, pid has been already processed */
4780 if (found) {
4781 bfa_trc(port->fcs, rscn_pid);
4782 continue;
4783 }
4784
4785 switch (rscn->event[i].format) {
4786 case FC_RSCN_FORMAT_PORTID:
4787 if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
4788 /*
4789 * Ignore this event.
4790 * f/w would have processed it
4791 */
4792 bfa_trc(port->fcs, rscn_pid);
4793 } else {
4794 port->stats.num_portid_rscn++;
4795 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
4796 }
4797 break;
4798
4799 case FC_RSCN_FORMAT_FABRIC:
4800 if (rscn->event[i].qualifier ==
4801 FC_FABRIC_NAME_RSCN_EVENT) {
4802 bfa_fcs_lport_ms_fabric_rscn(port);
4803 break;
4804 }
4805 /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
4806
4807 case FC_RSCN_FORMAT_AREA:
4808 case FC_RSCN_FORMAT_DOMAIN:
4809 nsquery = BFA_TRUE;
4810 bfa_fcs_lport_scn_multiport_rscn(port,
4811 rscn->event[i].format,
4812 rscn_pid);
4813 break;
4814
4815
4816 default:
4817 WARN_ON(1);
4818 nsquery = BFA_TRUE;
4819 }
4820 }
4821
4822 /*
4823 * If any of area, domain or fabric RSCN is received, do a fresh
4824 * discovery to find new devices.
4825 */
4826 if (nsquery)
4827 bfa_fcs_lport_ns_query(port);
4828 }
4829
4830 /*
4831 * BFA FCS port
4832 */
4833 /*
4834 * fcs_port_api BFA FCS port API
4835 */
4836 struct bfa_fcs_lport_s *
4837 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
4838 {
4839 return &fcs->fabric.bport;
4840 }
4841
4842 wwn_t
4843 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
4844 int nrports, bfa_boolean_t bwwn)
4845 {
4846 struct list_head *qh, *qe;
4847 struct bfa_fcs_rport_s *rport = NULL;
4848 int i;
4849 struct bfa_fcs_s *fcs;
4850
4851 if (port == NULL || nrports == 0)
4852 return (wwn_t) 0;
4853
4854 fcs = port->fcs;
4855 bfa_trc(fcs, (u32) nrports);
4856
4857 i = 0;
4858 qh = &port->rport_q;
4859 qe = bfa_q_first(qh);
4860
4861 while ((qe != qh) && (i < nrports)) {
4862 rport = (struct bfa_fcs_rport_s *) qe;
4863 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
4864 qe = bfa_q_next(qe);
4865 bfa_trc(fcs, (u32) rport->pwwn);
4866 bfa_trc(fcs, rport->pid);
4867 bfa_trc(fcs, i);
4868 continue;
4869 }
4870
4871 if (bwwn) {
4872 if (!memcmp(&wwn, &rport->pwwn, 8))
4873 break;
4874 } else {
4875 if (i == index)
4876 break;
4877 }
4878
4879 i++;
4880 qe = bfa_q_next(qe);
4881 }
4882
4883 bfa_trc(fcs, i);
4884 if (rport)
4885 return rport->pwwn;
4886 else
4887 return (wwn_t) 0;
4888 }
4889
4890 void
4891 bfa_fcs_lport_get_rports(struct bfa_fcs_lport_s *port,
4892 wwn_t rport_wwns[], int *nrports)
4893 {
4894 struct list_head *qh, *qe;
4895 struct bfa_fcs_rport_s *rport = NULL;
4896 int i;
4897 struct bfa_fcs_s *fcs;
4898
4899 if (port == NULL || rport_wwns == NULL || *nrports == 0)
4900 return;
4901
4902 fcs = port->fcs;
4903 bfa_trc(fcs, (u32) *nrports);
4904
4905 i = 0;
4906 qh = &port->rport_q;
4907 qe = bfa_q_first(qh);
4908
4909 while ((qe != qh) && (i < *nrports)) {
4910 rport = (struct bfa_fcs_rport_s *) qe;
4911 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
4912 qe = bfa_q_next(qe);
4913 bfa_trc(fcs, (u32) rport->pwwn);
4914 bfa_trc(fcs, rport->pid);
4915 bfa_trc(fcs, i);
4916 continue;
4917 }
4918
4919 rport_wwns[i] = rport->pwwn;
4920
4921 i++;
4922 qe = bfa_q_next(qe);
4923 }
4924
4925 bfa_trc(fcs, i);
4926 *nrports = i;
4927 }
4928
4929 /*
4930 * Iterate's through all the rport's in the given port to
4931 * determine the maximum operating speed.
4932 *
4933 * !!!! To be used in TRL Functionality only !!!!
4934 */
4935 bfa_port_speed_t
4936 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
4937 {
4938 struct list_head *qh, *qe;
4939 struct bfa_fcs_rport_s *rport = NULL;
4940 struct bfa_fcs_s *fcs;
4941 bfa_port_speed_t max_speed = 0;
4942 struct bfa_port_attr_s port_attr;
4943 bfa_port_speed_t port_speed, rport_speed;
4944 bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
4945
4946
4947 if (port == NULL)
4948 return 0;
4949
4950 fcs = port->fcs;
4951
4952 /* Get Physical port's current speed */
4953 bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
4954 port_speed = port_attr.speed;
4955 bfa_trc(fcs, port_speed);
4956
4957 qh = &port->rport_q;
4958 qe = bfa_q_first(qh);
4959
4960 while (qe != qh) {
4961 rport = (struct bfa_fcs_rport_s *) qe;
4962 if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
4963 (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
4964 (rport->scsi_function != BFA_RPORT_TARGET)) {
4965 qe = bfa_q_next(qe);
4966 continue;
4967 }
4968
4969 rport_speed = rport->rpf.rpsc_speed;
4970 if ((trl_enabled) && (rport_speed ==
4971 BFA_PORT_SPEED_UNKNOWN)) {
4972 /* Use default ratelim speed setting */
4973 rport_speed =
4974 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
4975 }
4976
4977 if (rport_speed > max_speed)
4978 max_speed = rport_speed;
4979
4980 qe = bfa_q_next(qe);
4981 }
4982
4983 if (max_speed > port_speed)
4984 max_speed = port_speed;
4985
4986 bfa_trc(fcs, max_speed);
4987 return max_speed;
4988 }
4989
4990 struct bfa_fcs_lport_s *
4991 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
4992 {
4993 struct bfa_fcs_vport_s *vport;
4994 bfa_fcs_vf_t *vf;
4995
4996 WARN_ON(fcs == NULL);
4997
4998 vf = bfa_fcs_vf_lookup(fcs, vf_id);
4999 if (vf == NULL) {
5000 bfa_trc(fcs, vf_id);
5001 return NULL;
5002 }
5003
5004 if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
5005 return &vf->bport;
5006
5007 vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
5008 if (vport)
5009 return &vport->lport;
5010
5011 return NULL;
5012 }
5013
5014 /*
5015 * API corresponding to NPIV_VPORT_GETINFO.
5016 */
5017 void
5018 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
5019 struct bfa_lport_info_s *port_info)
5020 {
5021
5022 bfa_trc(port->fcs, port->fabric->fabric_name);
5023
5024 if (port->vport == NULL) {
5025 /*
5026 * This is a Physical port
5027 */
5028 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
5029
5030 /*
5031 * @todo : need to fix the state & reason
5032 */
5033 port_info->port_state = 0;
5034 port_info->offline_reason = 0;
5035
5036 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5037 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5038
5039 port_info->max_vports_supp =
5040 bfa_lps_get_max_vport(port->fcs->bfa);
5041 port_info->num_vports_inuse =
5042 port->fabric->num_vports;
5043 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
5044 port_info->num_rports_inuse = port->num_rports;
5045 } else {
5046 /*
5047 * This is a virtual port
5048 */
5049 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
5050
5051 /*
5052 * @todo : need to fix the state & reason
5053 */
5054 port_info->port_state = 0;
5055 port_info->offline_reason = 0;
5056
5057 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5058 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5059 }
5060 }
5061
5062 void
5063 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
5064 struct bfa_lport_stats_s *port_stats)
5065 {
5066 *port_stats = fcs_port->stats;
5067 }
5068
5069 void
5070 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
5071 {
5072 memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
5073 }
5074
5075 /*
5076 * FCS virtual port state machine
5077 */
5078
5079 #define __vport_fcs(__vp) ((__vp)->lport.fcs)
5080 #define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
5081 #define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
5082 #define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
5083 #define __vport_fcid(__vp) ((__vp)->lport.pid)
5084 #define __vport_fabric(__vp) ((__vp)->lport.fabric)
5085 #define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
5086
5087 #define BFA_FCS_VPORT_MAX_RETRIES 5
5088 /*
5089 * Forward declarations
5090 */
5091 static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
5092 static void bfa_fcs_vport_timeout(void *vport_arg);
5093 static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
5094 static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
5095
5096 /*
5097 * fcs_vport_sm FCS virtual port state machine
5098 */
5099
5100 /*
5101 * VPort State Machine events
5102 */
5103 enum bfa_fcs_vport_event {
5104 BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
5105 BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
5106 BFA_FCS_VPORT_SM_START = 3, /* vport start request */
5107 BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
5108 BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
5109 BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
5110 BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
5111 BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
5112 BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
5113 BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
5114 BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
5115 BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/
5116 BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
5117 BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
5118 };
5119
5120 static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5121 enum bfa_fcs_vport_event event);
5122 static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5123 enum bfa_fcs_vport_event event);
5124 static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5125 enum bfa_fcs_vport_event event);
5126 static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
5127 enum bfa_fcs_vport_event event);
5128 static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
5129 enum bfa_fcs_vport_event event);
5130 static void bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
5131 enum bfa_fcs_vport_event event);
5132 static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
5133 enum bfa_fcs_vport_event event);
5134 static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
5135 enum bfa_fcs_vport_event event);
5136 static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
5137 enum bfa_fcs_vport_event event);
5138 static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
5139 enum bfa_fcs_vport_event event);
5140 static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
5141 enum bfa_fcs_vport_event event);
5142 static void bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
5143 enum bfa_fcs_vport_event event);
5144 static void bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
5145 enum bfa_fcs_vport_event event);
5146
5147 static struct bfa_sm_table_s vport_sm_table[] = {
5148 {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
5149 {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
5150 {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
5151 {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
5152 {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
5153 {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
5154 {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
5155 {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
5156 {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
5157 {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
5158 {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
5159 };
5160
5161 /*
5162 * Beginning state.
5163 */
5164 static void
5165 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5166 enum bfa_fcs_vport_event event)
5167 {
5168 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5169 bfa_trc(__vport_fcs(vport), event);
5170
5171 switch (event) {
5172 case BFA_FCS_VPORT_SM_CREATE:
5173 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
5174 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
5175 break;
5176
5177 default:
5178 bfa_sm_fault(__vport_fcs(vport), event);
5179 }
5180 }
5181
5182 /*
5183 * Created state - a start event is required to start up the state machine.
5184 */
5185 static void
5186 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5187 enum bfa_fcs_vport_event event)
5188 {
5189 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5190 bfa_trc(__vport_fcs(vport), event);
5191
5192 switch (event) {
5193 case BFA_FCS_VPORT_SM_START:
5194 if (bfa_sm_cmp_state(__vport_fabric(vport),
5195 bfa_fcs_fabric_sm_online)
5196 && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
5197 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5198 bfa_fcs_vport_do_fdisc(vport);
5199 } else {
5200 /*
5201 * Fabric is offline or not NPIV capable, stay in
5202 * offline state.
5203 */
5204 vport->vport_stats.fab_no_npiv++;
5205 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5206 }
5207 break;
5208
5209 case BFA_FCS_VPORT_SM_DELETE:
5210 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5211 bfa_fcs_lport_delete(&vport->lport);
5212 break;
5213
5214 case BFA_FCS_VPORT_SM_ONLINE:
5215 case BFA_FCS_VPORT_SM_OFFLINE:
5216 /*
5217 * Ignore ONLINE/OFFLINE events from fabric
5218 * till vport is started.
5219 */
5220 break;
5221
5222 default:
5223 bfa_sm_fault(__vport_fcs(vport), event);
5224 }
5225 }
5226
5227 /*
5228 * Offline state - awaiting ONLINE event from fabric SM.
5229 */
5230 static void
5231 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5232 enum bfa_fcs_vport_event event)
5233 {
5234 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5235 bfa_trc(__vport_fcs(vport), event);
5236
5237 switch (event) {
5238 case BFA_FCS_VPORT_SM_DELETE:
5239 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5240 bfa_fcs_lport_delete(&vport->lport);
5241 break;
5242
5243 case BFA_FCS_VPORT_SM_ONLINE:
5244 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5245 vport->fdisc_retries = 0;
5246 bfa_fcs_vport_do_fdisc(vport);
5247 break;
5248
5249 case BFA_FCS_VPORT_SM_STOP:
5250 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5251 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
5252 break;
5253
5254 case BFA_FCS_VPORT_SM_OFFLINE:
5255 /*
5256 * This can happen if the vport couldn't be initialzied
5257 * due the fact that the npiv was not enabled on the switch.
5258 * In that case we will put the vport in offline state.
5259 * However, the link can go down and cause the this event to
5260 * be sent when we are already offline. Ignore it.
5261 */
5262 break;
5263
5264 default:
5265 bfa_sm_fault(__vport_fcs(vport), event);
5266 }
5267 }
5268
5269
5270 /*
5271 * FDISC is sent and awaiting reply from fabric.
5272 */
5273 static void
5274 bfa_fcs_vport_sm_fdisc(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_fdisc_rsp_wait);
5283 break;
5284
5285 case BFA_FCS_VPORT_SM_OFFLINE:
5286 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5287 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
5288 break;
5289
5290 case BFA_FCS_VPORT_SM_RSP_OK:
5291 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
5292 bfa_fcs_lport_online(&vport->lport);
5293 break;
5294
5295 case BFA_FCS_VPORT_SM_RSP_ERROR:
5296 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
5297 bfa_timer_start(__vport_bfa(vport), &vport->timer,
5298 bfa_fcs_vport_timeout, vport,
5299 BFA_FCS_RETRY_TIMEOUT);
5300 break;
5301
5302 case BFA_FCS_VPORT_SM_RSP_FAILED:
5303 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5304 break;
5305
5306 case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
5307 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
5308 break;
5309
5310 default:
5311 bfa_sm_fault(__vport_fcs(vport), event);
5312 }
5313 }
5314
5315 /*
5316 * FDISC attempt failed - a timer is active to retry FDISC.
5317 */
5318 static void
5319 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
5320 enum bfa_fcs_vport_event event)
5321 {
5322 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5323 bfa_trc(__vport_fcs(vport), event);
5324
5325 switch (event) {
5326 case BFA_FCS_VPORT_SM_DELETE:
5327 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5328 bfa_timer_stop(&vport->timer);
5329 bfa_fcs_lport_delete(&vport->lport);
5330 break;
5331
5332 case BFA_FCS_VPORT_SM_OFFLINE:
5333 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5334 bfa_timer_stop(&vport->timer);
5335 break;
5336
5337 case BFA_FCS_VPORT_SM_TIMEOUT:
5338 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5339 vport->vport_stats.fdisc_retries++;
5340 vport->fdisc_retries++;
5341 bfa_fcs_vport_do_fdisc(vport);
5342 break;
5343
5344 default:
5345 bfa_sm_fault(__vport_fcs(vport), event);
5346 }
5347 }
5348
5349 /*
5350 * FDISC is in progress and we got a vport delete request -
5351 * this is a wait state while we wait for fdisc response and
5352 * we will transition to the appropriate state - on rsp status.
5353 */
5354 static void
5355 bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
5356 enum bfa_fcs_vport_event event)
5357 {
5358 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5359 bfa_trc(__vport_fcs(vport), event);
5360
5361 switch (event) {
5362 case BFA_FCS_VPORT_SM_RSP_OK:
5363 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
5364 bfa_fcs_lport_delete(&vport->lport);
5365 break;
5366
5367 case BFA_FCS_VPORT_SM_DELETE:
5368 break;
5369
5370 case BFA_FCS_VPORT_SM_OFFLINE:
5371 case BFA_FCS_VPORT_SM_RSP_ERROR:
5372 case BFA_FCS_VPORT_SM_RSP_FAILED:
5373 case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
5374 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5375 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
5376 bfa_fcs_lport_delete(&vport->lport);
5377 break;
5378
5379 default:
5380 bfa_sm_fault(__vport_fcs(vport), event);
5381 }
5382 }
5383
5384 /*
5385 * Vport is online (FDISC is complete).
5386 */
5387 static void
5388 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
5389 enum bfa_fcs_vport_event event)
5390 {
5391 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5392 bfa_trc(__vport_fcs(vport), event);
5393
5394 switch (event) {
5395 case BFA_FCS_VPORT_SM_DELETE:
5396 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
5397 bfa_fcs_lport_delete(&vport->lport);
5398 break;
5399
5400 case BFA_FCS_VPORT_SM_STOP:
5401 bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
5402 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
5403 break;
5404
5405 case BFA_FCS_VPORT_SM_OFFLINE:
5406 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5407 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
5408 bfa_fcs_lport_offline(&vport->lport);
5409 break;
5410
5411 default:
5412 bfa_sm_fault(__vport_fcs(vport), event);
5413 }
5414 }
5415
5416 /*
5417 * Vport is being stopped - awaiting lport stop completion to send
5418 * LOGO to fabric.
5419 */
5420 static void
5421 bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
5422 enum bfa_fcs_vport_event event)
5423 {
5424 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5425 bfa_trc(__vport_fcs(vport), event);
5426
5427 switch (event) {
5428 case BFA_FCS_VPORT_SM_STOPCOMP:
5429 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
5430 bfa_fcs_vport_do_logo(vport);
5431 break;
5432
5433 case BFA_FCS_VPORT_SM_OFFLINE:
5434 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5435 break;
5436
5437 default:
5438 bfa_sm_fault(__vport_fcs(vport), event);
5439 }
5440 }
5441
5442 /*
5443 * Vport is being deleted - awaiting lport delete completion to send
5444 * LOGO to fabric.
5445 */
5446 static void
5447 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
5448 enum bfa_fcs_vport_event event)
5449 {
5450 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5451 bfa_trc(__vport_fcs(vport), event);
5452
5453 switch (event) {
5454 case BFA_FCS_VPORT_SM_DELETE:
5455 break;
5456
5457 case BFA_FCS_VPORT_SM_DELCOMP:
5458 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
5459 bfa_fcs_vport_do_logo(vport);
5460 break;
5461
5462 case BFA_FCS_VPORT_SM_OFFLINE:
5463 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5464 break;
5465
5466 default:
5467 bfa_sm_fault(__vport_fcs(vport), event);
5468 }
5469 }
5470
5471 /*
5472 * Error State.
5473 * This state will be set when the Vport Creation fails due
5474 * to errors like Dup WWN. In this state only operation allowed
5475 * is a Vport Delete.
5476 */
5477 static void
5478 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
5479 enum bfa_fcs_vport_event event)
5480 {
5481 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5482 bfa_trc(__vport_fcs(vport), event);
5483
5484 switch (event) {
5485 case BFA_FCS_VPORT_SM_DELETE:
5486 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5487 bfa_fcs_lport_delete(&vport->lport);
5488 break;
5489
5490 default:
5491 bfa_trc(__vport_fcs(vport), event);
5492 }
5493 }
5494
5495 /*
5496 * Lport cleanup is in progress since vport is being deleted. Fabric is
5497 * offline, so no LOGO is needed to complete vport deletion.
5498 */
5499 static void
5500 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
5501 enum bfa_fcs_vport_event event)
5502 {
5503 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5504 bfa_trc(__vport_fcs(vport), event);
5505
5506 switch (event) {
5507 case BFA_FCS_VPORT_SM_DELCOMP:
5508 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
5509 bfa_fcs_vport_free(vport);
5510 break;
5511
5512 case BFA_FCS_VPORT_SM_STOPCOMP:
5513 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
5514 break;
5515
5516 case BFA_FCS_VPORT_SM_DELETE:
5517 break;
5518
5519 default:
5520 bfa_sm_fault(__vport_fcs(vport), event);
5521 }
5522 }
5523
5524 /*
5525 * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
5526 * is done.
5527 */
5528 static void
5529 bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
5530 enum bfa_fcs_vport_event event)
5531 {
5532 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5533 bfa_trc(__vport_fcs(vport), event);
5534
5535 switch (event) {
5536 case BFA_FCS_VPORT_SM_OFFLINE:
5537 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
5538 /*
5539 * !!! fall through !!!
5540 */
5541
5542 case BFA_FCS_VPORT_SM_RSP_OK:
5543 case BFA_FCS_VPORT_SM_RSP_ERROR:
5544 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
5545 break;
5546
5547 default:
5548 bfa_sm_fault(__vport_fcs(vport), event);
5549 }
5550 }
5551
5552 /*
5553 * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
5554 * is done.
5555 */
5556 static void
5557 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
5558 enum bfa_fcs_vport_event event)
5559 {
5560 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5561 bfa_trc(__vport_fcs(vport), event);
5562
5563 switch (event) {
5564 case BFA_FCS_VPORT_SM_OFFLINE:
5565 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
5566 /*
5567 * !!! fall through !!!
5568 */
5569
5570 case BFA_FCS_VPORT_SM_RSP_OK:
5571 case BFA_FCS_VPORT_SM_RSP_ERROR:
5572 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
5573 bfa_fcs_vport_free(vport);
5574 break;
5575
5576 case BFA_FCS_VPORT_SM_DELETE:
5577 break;
5578
5579 default:
5580 bfa_sm_fault(__vport_fcs(vport), event);
5581 }
5582 }
5583
5584
5585
5586 /*
5587 * fcs_vport_private FCS virtual port private functions
5588 */
5589 /*
5590 * Send AEN notification
5591 */
5592 static void
5593 bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
5594 enum bfa_lport_aen_event event)
5595 {
5596 struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
5597 struct bfa_aen_entry_s *aen_entry;
5598
5599 bfad_get_aen_entry(bfad, aen_entry);
5600 if (!aen_entry)
5601 return;
5602
5603 aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
5604 aen_entry->aen_data.lport.roles = port->port_cfg.roles;
5605 aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
5606 bfa_fcs_get_base_port(port->fcs));
5607 aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
5608
5609 /* Send the AEN notification */
5610 bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
5611 BFA_AEN_CAT_LPORT, event);
5612 }
5613
5614 /*
5615 * This routine will be called to send a FDISC command.
5616 */
5617 static void
5618 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
5619 {
5620 bfa_lps_fdisc(vport->lps, vport,
5621 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
5622 __vport_pwwn(vport), __vport_nwwn(vport));
5623 vport->vport_stats.fdisc_sent++;
5624 }
5625
5626 static void
5627 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
5628 {
5629 u8 lsrjt_rsn = vport->lps->lsrjt_rsn;
5630 u8 lsrjt_expl = vport->lps->lsrjt_expl;
5631
5632 bfa_trc(__vport_fcs(vport), lsrjt_rsn);
5633 bfa_trc(__vport_fcs(vport), lsrjt_expl);
5634
5635 /* For certain reason codes, we don't want to retry. */
5636 switch (vport->lps->lsrjt_expl) {
5637 case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
5638 case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
5639 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
5640 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5641 else {
5642 bfa_fcs_vport_aen_post(&vport->lport,
5643 BFA_LPORT_AEN_NPIV_DUP_WWN);
5644 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
5645 }
5646 break;
5647
5648 case FC_LS_RJT_EXP_INSUFF_RES:
5649 /*
5650 * This means max logins per port/switch setting on the
5651 * switch was exceeded.
5652 */
5653 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
5654 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5655 else {
5656 bfa_fcs_vport_aen_post(&vport->lport,
5657 BFA_LPORT_AEN_NPIV_FABRIC_MAX);
5658 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
5659 }
5660 break;
5661
5662 default:
5663 if (vport->fdisc_retries == 0)
5664 bfa_fcs_vport_aen_post(&vport->lport,
5665 BFA_LPORT_AEN_NPIV_UNKNOWN);
5666 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
5667 }
5668 }
5669
5670 /*
5671 * Called to send a logout to the fabric. Used when a V-Port is
5672 * deleted/stopped.
5673 */
5674 static void
5675 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
5676 {
5677 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5678
5679 vport->vport_stats.logo_sent++;
5680 bfa_lps_fdisclogo(vport->lps);
5681 }
5682
5683
5684 /*
5685 * This routine will be called by bfa_timer on timer timeouts.
5686 *
5687 * param[in] vport - pointer to bfa_fcs_vport_t.
5688 * param[out] vport_status - pointer to return vport status in
5689 *
5690 * return
5691 * void
5692 *
5693 * Special Considerations:
5694 *
5695 * note
5696 */
5697 static void
5698 bfa_fcs_vport_timeout(void *vport_arg)
5699 {
5700 struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
5701
5702 vport->vport_stats.fdisc_timeouts++;
5703 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
5704 }
5705
5706 static void
5707 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
5708 {
5709 struct bfad_vport_s *vport_drv =
5710 (struct bfad_vport_s *)vport->vport_drv;
5711
5712 bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
5713 bfa_lps_delete(vport->lps);
5714
5715 if (vport_drv->comp_del) {
5716 complete(vport_drv->comp_del);
5717 return;
5718 }
5719
5720 /*
5721 * We queue the vport delete work to the IM work_q from here.
5722 * The memory for the bfad_vport_s is freed from the FC function
5723 * template vport_delete entry point.
5724 */
5725 bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
5726 }
5727
5728 /*
5729 * fcs_vport_public FCS virtual port public interfaces
5730 */
5731
5732 /*
5733 * Online notification from fabric SM.
5734 */
5735 void
5736 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
5737 {
5738 vport->vport_stats.fab_online++;
5739 if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
5740 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
5741 else
5742 vport->vport_stats.fab_no_npiv++;
5743 }
5744
5745 /*
5746 * Offline notification from fabric SM.
5747 */
5748 void
5749 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
5750 {
5751 vport->vport_stats.fab_offline++;
5752 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
5753 }
5754
5755 /*
5756 * Cleanup notification from fabric SM on link timer expiry.
5757 */
5758 void
5759 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
5760 {
5761 vport->vport_stats.fab_cleanup++;
5762 }
5763 /*
5764 * delete notification from fabric SM. To be invoked from within FCS.
5765 */
5766 void
5767 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
5768 {
5769 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
5770 }
5771
5772 /*
5773 * Stop completion callback from associated lport
5774 */
5775 void
5776 bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
5777 {
5778 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
5779 }
5780
5781 /*
5782 * Delete completion callback from associated lport
5783 */
5784 void
5785 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
5786 {
5787 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
5788 }
5789
5790
5791
5792 /*
5793 * fcs_vport_api Virtual port API
5794 */
5795
5796 /*
5797 * Use this function to instantiate a new FCS vport object. This
5798 * function will not trigger any HW initialization process (which will be
5799 * done in vport_start() call)
5800 *
5801 * param[in] vport - pointer to bfa_fcs_vport_t. This space
5802 * needs to be allocated by the driver.
5803 * param[in] fcs - FCS instance
5804 * param[in] vport_cfg - vport configuration
5805 * param[in] vf_id - VF_ID if vport is created within a VF.
5806 * FC_VF_ID_NULL to specify base fabric.
5807 * param[in] vport_drv - Opaque handle back to the driver's vport
5808 * structure
5809 *
5810 * retval BFA_STATUS_OK - on success.
5811 * retval BFA_STATUS_FAILED - on failure.
5812 */
5813 bfa_status_t
5814 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
5815 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
5816 struct bfad_vport_s *vport_drv)
5817 {
5818 if (vport_cfg->pwwn == 0)
5819 return BFA_STATUS_INVALID_WWN;
5820
5821 if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
5822 return BFA_STATUS_VPORT_WWN_BP;
5823
5824 if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
5825 return BFA_STATUS_VPORT_EXISTS;
5826
5827 if (fcs->fabric.num_vports ==
5828 bfa_lps_get_max_vport(fcs->bfa))
5829 return BFA_STATUS_VPORT_MAX;
5830
5831 vport->lps = bfa_lps_alloc(fcs->bfa);
5832 if (!vport->lps)
5833 return BFA_STATUS_VPORT_MAX;
5834
5835 vport->vport_drv = vport_drv;
5836 vport_cfg->preboot_vp = BFA_FALSE;
5837
5838 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
5839 bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
5840 bfa_fcs_lport_init(&vport->lport, vport_cfg);
5841 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
5842
5843 return BFA_STATUS_OK;
5844 }
5845
5846 /*
5847 * Use this function to instantiate a new FCS PBC vport object. This
5848 * function will not trigger any HW initialization process (which will be
5849 * done in vport_start() call)
5850 *
5851 * param[in] vport - pointer to bfa_fcs_vport_t. This space
5852 * needs to be allocated by the driver.
5853 * param[in] fcs - FCS instance
5854 * param[in] vport_cfg - vport configuration
5855 * param[in] vf_id - VF_ID if vport is created within a VF.
5856 * FC_VF_ID_NULL to specify base fabric.
5857 * param[in] vport_drv - Opaque handle back to the driver's vport
5858 * structure
5859 *
5860 * retval BFA_STATUS_OK - on success.
5861 * retval BFA_STATUS_FAILED - on failure.
5862 */
5863 bfa_status_t
5864 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
5865 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
5866 struct bfad_vport_s *vport_drv)
5867 {
5868 bfa_status_t rc;
5869
5870 rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
5871 vport->lport.port_cfg.preboot_vp = BFA_TRUE;
5872
5873 return rc;
5874 }
5875
5876 /*
5877 * Use this function to findout if this is a pbc vport or not.
5878 *
5879 * @param[in] vport - pointer to bfa_fcs_vport_t.
5880 *
5881 * @returns None
5882 */
5883 bfa_boolean_t
5884 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
5885 {
5886
5887 if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
5888 return BFA_TRUE;
5889 else
5890 return BFA_FALSE;
5891
5892 }
5893
5894 /*
5895 * Use this function initialize the vport.
5896 *
5897 * @param[in] vport - pointer to bfa_fcs_vport_t.
5898 *
5899 * @returns None
5900 */
5901 bfa_status_t
5902 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
5903 {
5904 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
5905
5906 return BFA_STATUS_OK;
5907 }
5908
5909 /*
5910 * Use this function quiese the vport object. This function will return
5911 * immediately, when the vport is actually stopped, the
5912 * bfa_drv_vport_stop_cb() will be called.
5913 *
5914 * param[in] vport - pointer to bfa_fcs_vport_t.
5915 *
5916 * return None
5917 */
5918 bfa_status_t
5919 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
5920 {
5921 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
5922
5923 return BFA_STATUS_OK;
5924 }
5925
5926 /*
5927 * Use this function to delete a vport object. Fabric object should
5928 * be stopped before this function call.
5929 *
5930 * !!!!!!! Donot invoke this from within FCS !!!!!!!
5931 *
5932 * param[in] vport - pointer to bfa_fcs_vport_t.
5933 *
5934 * return None
5935 */
5936 bfa_status_t
5937 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
5938 {
5939
5940 if (vport->lport.port_cfg.preboot_vp)
5941 return BFA_STATUS_PBC;
5942
5943 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
5944
5945 return BFA_STATUS_OK;
5946 }
5947
5948 /*
5949 * Use this function to get vport's current status info.
5950 *
5951 * param[in] vport pointer to bfa_fcs_vport_t.
5952 * param[out] attr pointer to return vport attributes
5953 *
5954 * return None
5955 */
5956 void
5957 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
5958 struct bfa_vport_attr_s *attr)
5959 {
5960 if (vport == NULL || attr == NULL)
5961 return;
5962
5963 memset(attr, 0, sizeof(struct bfa_vport_attr_s));
5964
5965 bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
5966 attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
5967 }
5968
5969
5970 /*
5971 * Lookup a virtual port. Excludes base port from lookup.
5972 */
5973 struct bfa_fcs_vport_s *
5974 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
5975 {
5976 struct bfa_fcs_vport_s *vport;
5977 struct bfa_fcs_fabric_s *fabric;
5978
5979 bfa_trc(fcs, vf_id);
5980 bfa_trc(fcs, vpwwn);
5981
5982 fabric = bfa_fcs_vf_lookup(fcs, vf_id);
5983 if (!fabric) {
5984 bfa_trc(fcs, vf_id);
5985 return NULL;
5986 }
5987
5988 vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
5989 return vport;
5990 }
5991
5992 /*
5993 * FDISC Response
5994 */
5995 void
5996 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
5997 {
5998 struct bfa_fcs_vport_s *vport = uarg;
5999
6000 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6001 bfa_trc(__vport_fcs(vport), status);
6002
6003 switch (status) {
6004 case BFA_STATUS_OK:
6005 /*
6006 * Initialize the V-Port fields
6007 */
6008 __vport_fcid(vport) = vport->lps->lp_pid;
6009 vport->vport_stats.fdisc_accepts++;
6010 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6011 break;
6012
6013 case BFA_STATUS_INVALID_MAC:
6014 /* Only for CNA */
6015 vport->vport_stats.fdisc_acc_bad++;
6016 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6017
6018 break;
6019
6020 case BFA_STATUS_EPROTOCOL:
6021 switch (vport->lps->ext_status) {
6022 case BFA_EPROTO_BAD_ACCEPT:
6023 vport->vport_stats.fdisc_acc_bad++;
6024 break;
6025
6026 case BFA_EPROTO_UNKNOWN_RSP:
6027 vport->vport_stats.fdisc_unknown_rsp++;
6028 break;
6029
6030 default:
6031 break;
6032 }
6033
6034 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6035 break;
6036
6037 case BFA_STATUS_FABRIC_RJT:
6038 vport->vport_stats.fdisc_rejects++;
6039 bfa_fcs_vport_fdisc_rejected(vport);
6040 break;
6041
6042 default:
6043 vport->vport_stats.fdisc_rsp_err++;
6044 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6045 }
6046 }
6047
6048 /*
6049 * LOGO response
6050 */
6051 void
6052 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
6053 {
6054 struct bfa_fcs_vport_s *vport = uarg;
6055 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6056 }
6057
6058 /*
6059 * Received clear virtual link
6060 */
6061 void
6062 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
6063 {
6064 struct bfa_fcs_vport_s *vport = uarg;
6065
6066 /* Send an Offline followed by an ONLINE */
6067 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6068 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6069 }
Linux kernel - Deliverables
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