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1 | /* | |
2 | * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. | |
3 | * Copyright (c) 2014- QLogic Corporation. | |
4 | * All rights reserved | |
5 | * www.qlogic.com | |
6 | * | |
7 | * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
11 | * published by the Free Software Foundation | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | */ | |
18 | ||
19 | /* | |
20 | * bfa_fcs.c BFA FCS main | |
21 | */ | |
22 | ||
23 | #include "bfad_drv.h" | |
24 | #include "bfad_im.h" | |
25 | #include "bfa_fcs.h" | |
26 | #include "bfa_fcbuild.h" | |
27 | ||
28 | BFA_TRC_FILE(FCS, FCS); | |
29 | ||
30 | /* | |
31 | * FCS sub-modules | |
32 | */ | |
33 | struct bfa_fcs_mod_s { | |
34 | void (*attach) (struct bfa_fcs_s *fcs); | |
35 | void (*modinit) (struct bfa_fcs_s *fcs); | |
36 | void (*modexit) (struct bfa_fcs_s *fcs); | |
37 | }; | |
38 | ||
39 | #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit } | |
40 | ||
41 | static struct bfa_fcs_mod_s fcs_modules[] = { | |
42 | { bfa_fcs_port_attach, NULL, NULL }, | |
43 | { bfa_fcs_uf_attach, NULL, NULL }, | |
44 | { bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit, | |
45 | bfa_fcs_fabric_modexit }, | |
46 | }; | |
47 | ||
48 | /* | |
49 | * fcs_api BFA FCS API | |
50 | */ | |
51 | ||
52 | static void | |
53 | bfa_fcs_exit_comp(void *fcs_cbarg) | |
54 | { | |
55 | struct bfa_fcs_s *fcs = fcs_cbarg; | |
56 | struct bfad_s *bfad = fcs->bfad; | |
57 | ||
58 | complete(&bfad->comp); | |
59 | } | |
60 | ||
61 | ||
62 | ||
63 | /* | |
64 | * fcs_api BFA FCS API | |
65 | */ | |
66 | ||
67 | /* | |
68 | * fcs attach -- called once to initialize data structures at driver attach time | |
69 | */ | |
70 | void | |
71 | bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad, | |
72 | bfa_boolean_t min_cfg) | |
73 | { | |
74 | int i; | |
75 | struct bfa_fcs_mod_s *mod; | |
76 | ||
77 | fcs->bfa = bfa; | |
78 | fcs->bfad = bfad; | |
79 | fcs->min_cfg = min_cfg; | |
80 | fcs->num_rport_logins = 0; | |
81 | ||
82 | bfa->fcs = BFA_TRUE; | |
83 | fcbuild_init(); | |
84 | ||
85 | for (i = 0; i < ARRAY_SIZE(fcs_modules); i++) { | |
86 | mod = &fcs_modules[i]; | |
87 | if (mod->attach) | |
88 | mod->attach(fcs); | |
89 | } | |
90 | } | |
91 | ||
92 | /* | |
93 | * fcs initialization, called once after bfa initialization is complete | |
94 | */ | |
95 | void | |
96 | bfa_fcs_init(struct bfa_fcs_s *fcs) | |
97 | { | |
98 | int i; | |
99 | struct bfa_fcs_mod_s *mod; | |
100 | ||
101 | for (i = 0; i < ARRAY_SIZE(fcs_modules); i++) { | |
102 | mod = &fcs_modules[i]; | |
103 | if (mod->modinit) | |
104 | mod->modinit(fcs); | |
105 | } | |
106 | } | |
107 | ||
108 | /* | |
109 | * FCS update cfg - reset the pwwn/nwwn of fabric base logical port | |
110 | * with values learned during bfa_init firmware GETATTR REQ. | |
111 | */ | |
112 | void | |
113 | bfa_fcs_update_cfg(struct bfa_fcs_s *fcs) | |
114 | { | |
115 | struct bfa_fcs_fabric_s *fabric = &fcs->fabric; | |
116 | struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg; | |
117 | struct bfa_ioc_s *ioc = &fabric->fcs->bfa->ioc; | |
118 | ||
119 | port_cfg->nwwn = ioc->attr->nwwn; | |
120 | port_cfg->pwwn = ioc->attr->pwwn; | |
121 | } | |
122 | ||
123 | /* | |
124 | * Stop FCS operations. | |
125 | */ | |
126 | void | |
127 | bfa_fcs_stop(struct bfa_fcs_s *fcs) | |
128 | { | |
129 | bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs); | |
130 | bfa_wc_up(&fcs->wc); | |
131 | bfa_fcs_fabric_modstop(fcs); | |
132 | bfa_wc_wait(&fcs->wc); | |
133 | } | |
134 | ||
135 | /* | |
136 | * fcs pbc vport initialization | |
137 | */ | |
138 | void | |
139 | bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs) | |
140 | { | |
141 | int i, npbc_vports; | |
142 | struct bfi_pbc_vport_s pbc_vports[BFI_PBC_MAX_VPORTS]; | |
143 | ||
144 | /* Initialize pbc vports */ | |
145 | if (!fcs->min_cfg) { | |
146 | npbc_vports = | |
147 | bfa_iocfc_get_pbc_vports(fcs->bfa, pbc_vports); | |
148 | for (i = 0; i < npbc_vports; i++) | |
149 | bfa_fcb_pbc_vport_create(fcs->bfa->bfad, pbc_vports[i]); | |
150 | } | |
151 | } | |
152 | ||
153 | /* | |
154 | * brief | |
155 | * FCS driver details initialization. | |
156 | * | |
157 | * param[in] fcs FCS instance | |
158 | * param[in] driver_info Driver Details | |
159 | * | |
160 | * return None | |
161 | */ | |
162 | void | |
163 | bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, | |
164 | struct bfa_fcs_driver_info_s *driver_info) | |
165 | { | |
166 | ||
167 | fcs->driver_info = *driver_info; | |
168 | ||
169 | bfa_fcs_fabric_psymb_init(&fcs->fabric); | |
170 | bfa_fcs_fabric_nsymb_init(&fcs->fabric); | |
171 | } | |
172 | ||
173 | /* | |
174 | * brief | |
175 | * FCS instance cleanup and exit. | |
176 | * | |
177 | * param[in] fcs FCS instance | |
178 | * return None | |
179 | */ | |
180 | void | |
181 | bfa_fcs_exit(struct bfa_fcs_s *fcs) | |
182 | { | |
183 | struct bfa_fcs_mod_s *mod; | |
184 | int nmods, i; | |
185 | ||
186 | bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs); | |
187 | ||
188 | nmods = ARRAY_SIZE(fcs_modules); | |
189 | ||
190 | for (i = 0; i < nmods; i++) { | |
191 | ||
192 | mod = &fcs_modules[i]; | |
193 | if (mod->modexit) { | |
194 | bfa_wc_up(&fcs->wc); | |
195 | mod->modexit(fcs); | |
196 | } | |
197 | } | |
198 | ||
199 | bfa_wc_wait(&fcs->wc); | |
200 | } | |
201 | ||
202 | ||
203 | /* | |
204 | * Fabric module implementation. | |
205 | */ | |
206 | ||
207 | #define BFA_FCS_FABRIC_RETRY_DELAY (2000) /* Milliseconds */ | |
208 | #define BFA_FCS_FABRIC_CLEANUP_DELAY (10000) /* Milliseconds */ | |
209 | ||
210 | #define bfa_fcs_fabric_set_opertype(__fabric) do { \ | |
211 | if (bfa_fcport_get_topology((__fabric)->fcs->bfa) \ | |
212 | == BFA_PORT_TOPOLOGY_P2P) { \ | |
213 | if (fabric->fab_type == BFA_FCS_FABRIC_SWITCHED) \ | |
214 | (__fabric)->oper_type = BFA_PORT_TYPE_NPORT; \ | |
215 | else \ | |
216 | (__fabric)->oper_type = BFA_PORT_TYPE_P2P; \ | |
217 | } else \ | |
218 | (__fabric)->oper_type = BFA_PORT_TYPE_NLPORT; \ | |
219 | } while (0) | |
220 | ||
221 | /* | |
222 | * forward declarations | |
223 | */ | |
224 | static void bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric); | |
225 | static void bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric); | |
226 | static void bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric); | |
227 | static void bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric); | |
228 | static void bfa_fcs_fabric_delay(void *cbarg); | |
229 | static void bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric); | |
230 | static void bfa_fcs_fabric_delete_comp(void *cbarg); | |
231 | static void bfa_fcs_fabric_stop(struct bfa_fcs_fabric_s *fabric); | |
232 | static void bfa_fcs_fabric_stop_comp(void *cbarg); | |
233 | static void bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, | |
234 | struct fchs_s *fchs, u16 len); | |
235 | static void bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, | |
236 | struct fchs_s *fchs, u16 len); | |
237 | static void bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric); | |
238 | static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg, | |
239 | struct bfa_fcxp_s *fcxp, void *cbarg, | |
240 | bfa_status_t status, | |
241 | u32 rsp_len, | |
242 | u32 resid_len, | |
243 | struct fchs_s *rspfchs); | |
244 | ||
245 | static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, | |
246 | enum bfa_fcs_fabric_event event); | |
247 | static void bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, | |
248 | enum bfa_fcs_fabric_event event); | |
249 | static void bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, | |
250 | enum bfa_fcs_fabric_event event); | |
251 | static void bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, | |
252 | enum bfa_fcs_fabric_event event); | |
253 | static void bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, | |
254 | enum bfa_fcs_fabric_event event); | |
255 | static void bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, | |
256 | enum bfa_fcs_fabric_event event); | |
257 | static void bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, | |
258 | enum bfa_fcs_fabric_event event); | |
259 | static void bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, | |
260 | enum bfa_fcs_fabric_event event); | |
261 | static void bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, | |
262 | enum bfa_fcs_fabric_event event); | |
263 | static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, | |
264 | enum bfa_fcs_fabric_event event); | |
265 | static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, | |
266 | enum bfa_fcs_fabric_event event); | |
267 | static void bfa_fcs_fabric_sm_stopping(struct bfa_fcs_fabric_s *fabric, | |
268 | enum bfa_fcs_fabric_event event); | |
269 | static void bfa_fcs_fabric_sm_cleanup(struct bfa_fcs_fabric_s *fabric, | |
270 | enum bfa_fcs_fabric_event event); | |
271 | /* | |
272 | * Beginning state before fabric creation. | |
273 | */ | |
274 | static void | |
275 | bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, | |
276 | enum bfa_fcs_fabric_event event) | |
277 | { | |
278 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
279 | bfa_trc(fabric->fcs, event); | |
280 | ||
281 | switch (event) { | |
282 | case BFA_FCS_FABRIC_SM_CREATE: | |
283 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created); | |
284 | bfa_fcs_fabric_init(fabric); | |
285 | bfa_fcs_lport_init(&fabric->bport, &fabric->bport.port_cfg); | |
286 | break; | |
287 | ||
288 | case BFA_FCS_FABRIC_SM_LINK_UP: | |
289 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
290 | break; | |
291 | ||
292 | default: | |
293 | bfa_sm_fault(fabric->fcs, event); | |
294 | } | |
295 | } | |
296 | ||
297 | /* | |
298 | * Beginning state before fabric creation. | |
299 | */ | |
300 | static void | |
301 | bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, | |
302 | enum bfa_fcs_fabric_event event) | |
303 | { | |
304 | struct bfa_s *bfa = fabric->fcs->bfa; | |
305 | ||
306 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
307 | bfa_trc(fabric->fcs, event); | |
308 | ||
309 | switch (event) { | |
310 | case BFA_FCS_FABRIC_SM_START: | |
311 | if (!bfa_fcport_is_linkup(fabric->fcs->bfa)) { | |
312 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
313 | break; | |
314 | } | |
315 | if (bfa_fcport_get_topology(bfa) == | |
316 | BFA_PORT_TOPOLOGY_LOOP) { | |
317 | fabric->fab_type = BFA_FCS_FABRIC_LOOP; | |
318 | fabric->bport.pid = bfa_fcport_get_myalpa(bfa); | |
319 | fabric->bport.pid = bfa_hton3b(fabric->bport.pid); | |
320 | bfa_sm_set_state(fabric, | |
321 | bfa_fcs_fabric_sm_online); | |
322 | bfa_fcs_fabric_set_opertype(fabric); | |
323 | bfa_fcs_lport_online(&fabric->bport); | |
324 | } else { | |
325 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); | |
326 | bfa_fcs_fabric_login(fabric); | |
327 | } | |
328 | break; | |
329 | ||
330 | case BFA_FCS_FABRIC_SM_LINK_UP: | |
331 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
332 | break; | |
333 | ||
334 | case BFA_FCS_FABRIC_SM_DELETE: | |
335 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
336 | bfa_fcs_fabric_delete(fabric); | |
337 | break; | |
338 | ||
339 | default: | |
340 | bfa_sm_fault(fabric->fcs, event); | |
341 | } | |
342 | } | |
343 | ||
344 | /* | |
345 | * Link is down, awaiting LINK UP event from port. This is also the | |
346 | * first state at fabric creation. | |
347 | */ | |
348 | static void | |
349 | bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, | |
350 | enum bfa_fcs_fabric_event event) | |
351 | { | |
352 | struct bfa_s *bfa = fabric->fcs->bfa; | |
353 | ||
354 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
355 | bfa_trc(fabric->fcs, event); | |
356 | ||
357 | switch (event) { | |
358 | case BFA_FCS_FABRIC_SM_LINK_UP: | |
359 | if (bfa_fcport_get_topology(bfa) != BFA_PORT_TOPOLOGY_LOOP) { | |
360 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); | |
361 | bfa_fcs_fabric_login(fabric); | |
362 | break; | |
363 | } | |
364 | fabric->fab_type = BFA_FCS_FABRIC_LOOP; | |
365 | fabric->bport.pid = bfa_fcport_get_myalpa(bfa); | |
366 | fabric->bport.pid = bfa_hton3b(fabric->bport.pid); | |
367 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); | |
368 | bfa_fcs_fabric_set_opertype(fabric); | |
369 | bfa_fcs_lport_online(&fabric->bport); | |
370 | break; | |
371 | ||
372 | case BFA_FCS_FABRIC_SM_RETRY_OP: | |
373 | case BFA_FCS_FABRIC_SM_LOOPBACK: | |
374 | break; | |
375 | ||
376 | case BFA_FCS_FABRIC_SM_DELETE: | |
377 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
378 | bfa_fcs_fabric_delete(fabric); | |
379 | break; | |
380 | ||
381 | case BFA_FCS_FABRIC_SM_STOP: | |
382 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_cleanup); | |
383 | bfa_fcs_fabric_stop(fabric); | |
384 | break; | |
385 | ||
386 | default: | |
387 | bfa_sm_fault(fabric->fcs, event); | |
388 | } | |
389 | } | |
390 | ||
391 | /* | |
392 | * FLOGI is in progress, awaiting FLOGI reply. | |
393 | */ | |
394 | static void | |
395 | bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, | |
396 | enum bfa_fcs_fabric_event event) | |
397 | { | |
398 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
399 | bfa_trc(fabric->fcs, event); | |
400 | ||
401 | switch (event) { | |
402 | case BFA_FCS_FABRIC_SM_CONT_OP: | |
403 | ||
404 | bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, | |
405 | fabric->bb_credit); | |
406 | fabric->fab_type = BFA_FCS_FABRIC_SWITCHED; | |
407 | ||
408 | if (fabric->auth_reqd && fabric->is_auth) { | |
409 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth); | |
410 | bfa_trc(fabric->fcs, event); | |
411 | } else { | |
412 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); | |
413 | bfa_fcs_fabric_notify_online(fabric); | |
414 | } | |
415 | break; | |
416 | ||
417 | case BFA_FCS_FABRIC_SM_RETRY_OP: | |
418 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi_retry); | |
419 | bfa_timer_start(fabric->fcs->bfa, &fabric->delay_timer, | |
420 | bfa_fcs_fabric_delay, fabric, | |
421 | BFA_FCS_FABRIC_RETRY_DELAY); | |
422 | break; | |
423 | ||
424 | case BFA_FCS_FABRIC_SM_LOOPBACK: | |
425 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_loopback); | |
426 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); | |
427 | bfa_fcs_fabric_set_opertype(fabric); | |
428 | break; | |
429 | ||
430 | case BFA_FCS_FABRIC_SM_NO_FABRIC: | |
431 | fabric->fab_type = BFA_FCS_FABRIC_N2N; | |
432 | bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, | |
433 | fabric->bb_credit); | |
434 | bfa_fcs_fabric_notify_online(fabric); | |
435 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric); | |
436 | break; | |
437 | ||
438 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
439 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
440 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); | |
441 | break; | |
442 | ||
443 | case BFA_FCS_FABRIC_SM_DELETE: | |
444 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
445 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); | |
446 | bfa_fcs_fabric_delete(fabric); | |
447 | break; | |
448 | ||
449 | default: | |
450 | bfa_sm_fault(fabric->fcs, event); | |
451 | } | |
452 | } | |
453 | ||
454 | ||
455 | static void | |
456 | bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, | |
457 | enum bfa_fcs_fabric_event event) | |
458 | { | |
459 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
460 | bfa_trc(fabric->fcs, event); | |
461 | ||
462 | switch (event) { | |
463 | case BFA_FCS_FABRIC_SM_DELAYED: | |
464 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); | |
465 | bfa_fcs_fabric_login(fabric); | |
466 | break; | |
467 | ||
468 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
469 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
470 | bfa_timer_stop(&fabric->delay_timer); | |
471 | break; | |
472 | ||
473 | case BFA_FCS_FABRIC_SM_DELETE: | |
474 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
475 | bfa_timer_stop(&fabric->delay_timer); | |
476 | bfa_fcs_fabric_delete(fabric); | |
477 | break; | |
478 | ||
479 | default: | |
480 | bfa_sm_fault(fabric->fcs, event); | |
481 | } | |
482 | } | |
483 | ||
484 | /* | |
485 | * Authentication is in progress, awaiting authentication results. | |
486 | */ | |
487 | static void | |
488 | bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, | |
489 | enum bfa_fcs_fabric_event event) | |
490 | { | |
491 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
492 | bfa_trc(fabric->fcs, event); | |
493 | ||
494 | switch (event) { | |
495 | case BFA_FCS_FABRIC_SM_AUTH_FAILED: | |
496 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); | |
497 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); | |
498 | break; | |
499 | ||
500 | case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: | |
501 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); | |
502 | bfa_fcs_fabric_notify_online(fabric); | |
503 | break; | |
504 | ||
505 | case BFA_FCS_FABRIC_SM_PERF_EVFP: | |
506 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp); | |
507 | break; | |
508 | ||
509 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
510 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
511 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); | |
512 | break; | |
513 | ||
514 | case BFA_FCS_FABRIC_SM_DELETE: | |
515 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
516 | bfa_fcs_fabric_delete(fabric); | |
517 | break; | |
518 | ||
519 | default: | |
520 | bfa_sm_fault(fabric->fcs, event); | |
521 | } | |
522 | } | |
523 | ||
524 | /* | |
525 | * Authentication failed | |
526 | */ | |
527 | void | |
528 | bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, | |
529 | enum bfa_fcs_fabric_event event) | |
530 | { | |
531 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
532 | bfa_trc(fabric->fcs, event); | |
533 | ||
534 | switch (event) { | |
535 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
536 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
537 | bfa_fcs_fabric_notify_offline(fabric); | |
538 | break; | |
539 | ||
540 | case BFA_FCS_FABRIC_SM_DELETE: | |
541 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
542 | bfa_fcs_fabric_delete(fabric); | |
543 | break; | |
544 | ||
545 | default: | |
546 | bfa_sm_fault(fabric->fcs, event); | |
547 | } | |
548 | } | |
549 | ||
550 | /* | |
551 | * Port is in loopback mode. | |
552 | */ | |
553 | void | |
554 | bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, | |
555 | enum bfa_fcs_fabric_event event) | |
556 | { | |
557 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
558 | bfa_trc(fabric->fcs, event); | |
559 | ||
560 | switch (event) { | |
561 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
562 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
563 | bfa_fcs_fabric_notify_offline(fabric); | |
564 | break; | |
565 | ||
566 | case BFA_FCS_FABRIC_SM_DELETE: | |
567 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
568 | bfa_fcs_fabric_delete(fabric); | |
569 | break; | |
570 | ||
571 | default: | |
572 | bfa_sm_fault(fabric->fcs, event); | |
573 | } | |
574 | } | |
575 | ||
576 | /* | |
577 | * There is no attached fabric - private loop or NPort-to-NPort topology. | |
578 | */ | |
579 | static void | |
580 | bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, | |
581 | enum bfa_fcs_fabric_event event) | |
582 | { | |
583 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
584 | bfa_trc(fabric->fcs, event); | |
585 | ||
586 | switch (event) { | |
587 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
588 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
589 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); | |
590 | bfa_fcs_fabric_notify_offline(fabric); | |
591 | break; | |
592 | ||
593 | case BFA_FCS_FABRIC_SM_DELETE: | |
594 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
595 | bfa_fcs_fabric_delete(fabric); | |
596 | break; | |
597 | ||
598 | case BFA_FCS_FABRIC_SM_NO_FABRIC: | |
599 | bfa_trc(fabric->fcs, fabric->bb_credit); | |
600 | bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, | |
601 | fabric->bb_credit); | |
602 | break; | |
603 | ||
604 | case BFA_FCS_FABRIC_SM_RETRY_OP: | |
605 | break; | |
606 | ||
607 | default: | |
608 | bfa_sm_fault(fabric->fcs, event); | |
609 | } | |
610 | } | |
611 | ||
612 | /* | |
613 | * Fabric is online - normal operating state. | |
614 | */ | |
615 | void | |
616 | bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, | |
617 | enum bfa_fcs_fabric_event event) | |
618 | { | |
619 | struct bfa_s *bfa = fabric->fcs->bfa; | |
620 | ||
621 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
622 | bfa_trc(fabric->fcs, event); | |
623 | ||
624 | switch (event) { | |
625 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
626 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
627 | if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) { | |
628 | bfa_fcs_lport_offline(&fabric->bport); | |
629 | } else { | |
630 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); | |
631 | bfa_fcs_fabric_notify_offline(fabric); | |
632 | } | |
633 | break; | |
634 | ||
635 | case BFA_FCS_FABRIC_SM_DELETE: | |
636 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
637 | bfa_fcs_fabric_delete(fabric); | |
638 | break; | |
639 | ||
640 | case BFA_FCS_FABRIC_SM_STOP: | |
641 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_stopping); | |
642 | bfa_fcs_fabric_stop(fabric); | |
643 | break; | |
644 | ||
645 | case BFA_FCS_FABRIC_SM_AUTH_FAILED: | |
646 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); | |
647 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); | |
648 | break; | |
649 | ||
650 | case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: | |
651 | break; | |
652 | ||
653 | default: | |
654 | bfa_sm_fault(fabric->fcs, event); | |
655 | } | |
656 | } | |
657 | ||
658 | /* | |
659 | * Exchanging virtual fabric parameters. | |
660 | */ | |
661 | static void | |
662 | bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, | |
663 | enum bfa_fcs_fabric_event event) | |
664 | { | |
665 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
666 | bfa_trc(fabric->fcs, event); | |
667 | ||
668 | switch (event) { | |
669 | case BFA_FCS_FABRIC_SM_CONT_OP: | |
670 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp_done); | |
671 | break; | |
672 | ||
673 | case BFA_FCS_FABRIC_SM_ISOLATE: | |
674 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_isolated); | |
675 | break; | |
676 | ||
677 | default: | |
678 | bfa_sm_fault(fabric->fcs, event); | |
679 | } | |
680 | } | |
681 | ||
682 | /* | |
683 | * EVFP exchange complete and VFT tagging is enabled. | |
684 | */ | |
685 | static void | |
686 | bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, | |
687 | enum bfa_fcs_fabric_event event) | |
688 | { | |
689 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
690 | bfa_trc(fabric->fcs, event); | |
691 | } | |
692 | ||
693 | /* | |
694 | * Port is isolated after EVFP exchange due to VF_ID mismatch (N and F). | |
695 | */ | |
696 | static void | |
697 | bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, | |
698 | enum bfa_fcs_fabric_event event) | |
699 | { | |
700 | struct bfad_s *bfad = (struct bfad_s *)fabric->fcs->bfad; | |
701 | char pwwn_ptr[BFA_STRING_32]; | |
702 | ||
703 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
704 | bfa_trc(fabric->fcs, event); | |
705 | wwn2str(pwwn_ptr, fabric->bport.port_cfg.pwwn); | |
706 | ||
707 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, | |
708 | "Port is isolated due to VF_ID mismatch. " | |
709 | "PWWN: %s Port VF_ID: %04x switch port VF_ID: %04x.", | |
710 | pwwn_ptr, fabric->fcs->port_vfid, | |
711 | fabric->event_arg.swp_vfid); | |
712 | } | |
713 | ||
714 | /* | |
715 | * Fabric is being deleted, awaiting vport delete completions. | |
716 | */ | |
717 | static void | |
718 | bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, | |
719 | enum bfa_fcs_fabric_event event) | |
720 | { | |
721 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
722 | bfa_trc(fabric->fcs, event); | |
723 | ||
724 | switch (event) { | |
725 | case BFA_FCS_FABRIC_SM_DELCOMP: | |
726 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); | |
727 | bfa_wc_down(&fabric->fcs->wc); | |
728 | break; | |
729 | ||
730 | case BFA_FCS_FABRIC_SM_LINK_UP: | |
731 | break; | |
732 | ||
733 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
734 | bfa_fcs_fabric_notify_offline(fabric); | |
735 | break; | |
736 | ||
737 | default: | |
738 | bfa_sm_fault(fabric->fcs, event); | |
739 | } | |
740 | } | |
741 | ||
742 | /* | |
743 | * Fabric is being stopped, awaiting vport stop completions. | |
744 | */ | |
745 | static void | |
746 | bfa_fcs_fabric_sm_stopping(struct bfa_fcs_fabric_s *fabric, | |
747 | enum bfa_fcs_fabric_event event) | |
748 | { | |
749 | struct bfa_s *bfa = fabric->fcs->bfa; | |
750 | ||
751 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
752 | bfa_trc(fabric->fcs, event); | |
753 | ||
754 | switch (event) { | |
755 | case BFA_FCS_FABRIC_SM_STOPCOMP: | |
756 | if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) { | |
757 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created); | |
758 | } else { | |
759 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_cleanup); | |
760 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_LOGOUT); | |
761 | } | |
762 | break; | |
763 | ||
764 | case BFA_FCS_FABRIC_SM_LINK_UP: | |
765 | break; | |
766 | ||
767 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
768 | if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) | |
769 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created); | |
770 | else | |
771 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_cleanup); | |
772 | break; | |
773 | ||
774 | default: | |
775 | bfa_sm_fault(fabric->fcs, event); | |
776 | } | |
777 | } | |
778 | ||
779 | /* | |
780 | * Fabric is being stopped, cleanup without FLOGO | |
781 | */ | |
782 | static void | |
783 | bfa_fcs_fabric_sm_cleanup(struct bfa_fcs_fabric_s *fabric, | |
784 | enum bfa_fcs_fabric_event event) | |
785 | { | |
786 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
787 | bfa_trc(fabric->fcs, event); | |
788 | ||
789 | switch (event) { | |
790 | case BFA_FCS_FABRIC_SM_STOPCOMP: | |
791 | case BFA_FCS_FABRIC_SM_LOGOCOMP: | |
792 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created); | |
793 | bfa_wc_down(&(fabric->fcs)->wc); | |
794 | break; | |
795 | ||
796 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
797 | /* | |
798 | * Ignore - can get this event if we get notified about IOC down | |
799 | * before the fabric completion callbk is done. | |
800 | */ | |
801 | break; | |
802 | ||
803 | default: | |
804 | bfa_sm_fault(fabric->fcs, event); | |
805 | } | |
806 | } | |
807 | ||
808 | /* | |
809 | * fcs_fabric_private fabric private functions | |
810 | */ | |
811 | ||
812 | static void | |
813 | bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric) | |
814 | { | |
815 | struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg; | |
816 | ||
817 | port_cfg->roles = BFA_LPORT_ROLE_FCP_IM; | |
818 | port_cfg->nwwn = fabric->fcs->bfa->ioc.attr->nwwn; | |
819 | port_cfg->pwwn = fabric->fcs->bfa->ioc.attr->pwwn; | |
820 | } | |
821 | ||
822 | /* | |
823 | * Port Symbolic Name Creation for base port. | |
824 | */ | |
825 | void | |
826 | bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric) | |
827 | { | |
828 | struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg; | |
829 | char model[BFA_ADAPTER_MODEL_NAME_LEN] = {0}; | |
830 | struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info; | |
831 | ||
832 | bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model); | |
833 | ||
834 | /* Model name/number */ | |
835 | strncpy((char *)&port_cfg->sym_name, model, | |
836 | BFA_FCS_PORT_SYMBNAME_MODEL_SZ); | |
837 | strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
838 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
839 | ||
840 | /* Driver Version */ | |
841 | strncat((char *)&port_cfg->sym_name, (char *)driver_info->version, | |
842 | BFA_FCS_PORT_SYMBNAME_VERSION_SZ); | |
843 | strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
844 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
845 | ||
846 | /* Host machine name */ | |
847 | strncat((char *)&port_cfg->sym_name, | |
848 | (char *)driver_info->host_machine_name, | |
849 | BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ); | |
850 | strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
851 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
852 | ||
853 | /* | |
854 | * Host OS Info : | |
855 | * If OS Patch Info is not there, do not truncate any bytes from the | |
856 | * OS name string and instead copy the entire OS info string (64 bytes). | |
857 | */ | |
858 | if (driver_info->host_os_patch[0] == '\0') { | |
859 | strncat((char *)&port_cfg->sym_name, | |
860 | (char *)driver_info->host_os_name, | |
861 | BFA_FCS_OS_STR_LEN); | |
862 | strncat((char *)&port_cfg->sym_name, | |
863 | BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
864 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
865 | } else { | |
866 | strncat((char *)&port_cfg->sym_name, | |
867 | (char *)driver_info->host_os_name, | |
868 | BFA_FCS_PORT_SYMBNAME_OSINFO_SZ); | |
869 | strncat((char *)&port_cfg->sym_name, | |
870 | BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
871 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
872 | ||
873 | /* Append host OS Patch Info */ | |
874 | strncat((char *)&port_cfg->sym_name, | |
875 | (char *)driver_info->host_os_patch, | |
876 | BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ); | |
877 | } | |
878 | ||
879 | /* null terminate */ | |
880 | port_cfg->sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0; | |
881 | } | |
882 | ||
883 | /* | |
884 | * Node Symbolic Name Creation for base port and all vports | |
885 | */ | |
886 | void | |
887 | bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric) | |
888 | { | |
889 | struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg; | |
890 | char model[BFA_ADAPTER_MODEL_NAME_LEN] = {0}; | |
891 | struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info; | |
892 | ||
893 | bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model); | |
894 | ||
895 | /* Model name/number */ | |
896 | strncpy((char *)&port_cfg->node_sym_name, model, | |
897 | BFA_FCS_PORT_SYMBNAME_MODEL_SZ); | |
898 | strncat((char *)&port_cfg->node_sym_name, | |
899 | BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
900 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
901 | ||
902 | /* Driver Version */ | |
903 | strncat((char *)&port_cfg->node_sym_name, (char *)driver_info->version, | |
904 | BFA_FCS_PORT_SYMBNAME_VERSION_SZ); | |
905 | strncat((char *)&port_cfg->node_sym_name, | |
906 | BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
907 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
908 | ||
909 | /* Host machine name */ | |
910 | strncat((char *)&port_cfg->node_sym_name, | |
911 | (char *)driver_info->host_machine_name, | |
912 | BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ); | |
913 | strncat((char *)&port_cfg->node_sym_name, | |
914 | BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
915 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
916 | ||
917 | /* null terminate */ | |
918 | port_cfg->node_sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0; | |
919 | } | |
920 | ||
921 | /* | |
922 | * bfa lps login completion callback | |
923 | */ | |
924 | void | |
925 | bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status) | |
926 | { | |
927 | struct bfa_fcs_fabric_s *fabric = uarg; | |
928 | ||
929 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
930 | bfa_trc(fabric->fcs, status); | |
931 | ||
932 | switch (status) { | |
933 | case BFA_STATUS_OK: | |
934 | fabric->stats.flogi_accepts++; | |
935 | break; | |
936 | ||
937 | case BFA_STATUS_INVALID_MAC: | |
938 | /* Only for CNA */ | |
939 | fabric->stats.flogi_acc_err++; | |
940 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); | |
941 | ||
942 | return; | |
943 | ||
944 | case BFA_STATUS_EPROTOCOL: | |
945 | switch (fabric->lps->ext_status) { | |
946 | case BFA_EPROTO_BAD_ACCEPT: | |
947 | fabric->stats.flogi_acc_err++; | |
948 | break; | |
949 | ||
950 | case BFA_EPROTO_UNKNOWN_RSP: | |
951 | fabric->stats.flogi_unknown_rsp++; | |
952 | break; | |
953 | ||
954 | default: | |
955 | break; | |
956 | } | |
957 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); | |
958 | ||
959 | return; | |
960 | ||
961 | case BFA_STATUS_FABRIC_RJT: | |
962 | fabric->stats.flogi_rejects++; | |
963 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); | |
964 | return; | |
965 | ||
966 | default: | |
967 | fabric->stats.flogi_rsp_err++; | |
968 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); | |
969 | return; | |
970 | } | |
971 | ||
972 | fabric->bb_credit = fabric->lps->pr_bbcred; | |
973 | bfa_trc(fabric->fcs, fabric->bb_credit); | |
974 | ||
975 | if (!(fabric->lps->brcd_switch)) | |
976 | fabric->fabric_name = fabric->lps->pr_nwwn; | |
977 | ||
978 | /* | |
979 | * Check port type. It should be 1 = F-port. | |
980 | */ | |
981 | if (fabric->lps->fport) { | |
982 | fabric->bport.pid = fabric->lps->lp_pid; | |
983 | fabric->is_npiv = fabric->lps->npiv_en; | |
984 | fabric->is_auth = fabric->lps->auth_req; | |
985 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_CONT_OP); | |
986 | } else { | |
987 | /* | |
988 | * Nport-2-Nport direct attached | |
989 | */ | |
990 | fabric->bport.port_topo.pn2n.rem_port_wwn = | |
991 | fabric->lps->pr_pwwn; | |
992 | fabric->fab_type = BFA_FCS_FABRIC_N2N; | |
993 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC); | |
994 | } | |
995 | ||
996 | bfa_trc(fabric->fcs, fabric->bport.pid); | |
997 | bfa_trc(fabric->fcs, fabric->is_npiv); | |
998 | bfa_trc(fabric->fcs, fabric->is_auth); | |
999 | } | |
1000 | /* | |
1001 | * Allocate and send FLOGI. | |
1002 | */ | |
1003 | static void | |
1004 | bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric) | |
1005 | { | |
1006 | struct bfa_s *bfa = fabric->fcs->bfa; | |
1007 | struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg; | |
1008 | u8 alpa = 0; | |
1009 | ||
1010 | ||
1011 | bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_fcport_get_maxfrsize(bfa), | |
1012 | pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd); | |
1013 | ||
1014 | fabric->stats.flogi_sent++; | |
1015 | } | |
1016 | ||
1017 | static void | |
1018 | bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric) | |
1019 | { | |
1020 | struct bfa_fcs_vport_s *vport; | |
1021 | struct list_head *qe, *qen; | |
1022 | ||
1023 | bfa_trc(fabric->fcs, fabric->fabric_name); | |
1024 | ||
1025 | bfa_fcs_fabric_set_opertype(fabric); | |
1026 | fabric->stats.fabric_onlines++; | |
1027 | ||
1028 | /* | |
1029 | * notify online event to base and then virtual ports | |
1030 | */ | |
1031 | bfa_fcs_lport_online(&fabric->bport); | |
1032 | ||
1033 | list_for_each_safe(qe, qen, &fabric->vport_q) { | |
1034 | vport = (struct bfa_fcs_vport_s *) qe; | |
1035 | bfa_fcs_vport_online(vport); | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | static void | |
1040 | bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric) | |
1041 | { | |
1042 | struct bfa_fcs_vport_s *vport; | |
1043 | struct list_head *qe, *qen; | |
1044 | ||
1045 | bfa_trc(fabric->fcs, fabric->fabric_name); | |
1046 | fabric->stats.fabric_offlines++; | |
1047 | ||
1048 | /* | |
1049 | * notify offline event first to vports and then base port. | |
1050 | */ | |
1051 | list_for_each_safe(qe, qen, &fabric->vport_q) { | |
1052 | vport = (struct bfa_fcs_vport_s *) qe; | |
1053 | bfa_fcs_vport_offline(vport); | |
1054 | } | |
1055 | ||
1056 | bfa_fcs_lport_offline(&fabric->bport); | |
1057 | ||
1058 | fabric->fabric_name = 0; | |
1059 | fabric->fabric_ip_addr[0] = 0; | |
1060 | } | |
1061 | ||
1062 | static void | |
1063 | bfa_fcs_fabric_delay(void *cbarg) | |
1064 | { | |
1065 | struct bfa_fcs_fabric_s *fabric = cbarg; | |
1066 | ||
1067 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELAYED); | |
1068 | } | |
1069 | ||
1070 | /* | |
1071 | * Stop all vports and wait for vport stop completions. | |
1072 | */ | |
1073 | static void | |
1074 | bfa_fcs_fabric_stop(struct bfa_fcs_fabric_s *fabric) | |
1075 | { | |
1076 | struct bfa_fcs_vport_s *vport; | |
1077 | struct list_head *qe, *qen; | |
1078 | ||
1079 | bfa_wc_init(&fabric->stop_wc, bfa_fcs_fabric_stop_comp, fabric); | |
1080 | ||
1081 | list_for_each_safe(qe, qen, &fabric->vport_q) { | |
1082 | vport = (struct bfa_fcs_vport_s *) qe; | |
1083 | bfa_wc_up(&fabric->stop_wc); | |
1084 | bfa_fcs_vport_fcs_stop(vport); | |
1085 | } | |
1086 | ||
1087 | bfa_wc_up(&fabric->stop_wc); | |
1088 | bfa_fcs_lport_stop(&fabric->bport); | |
1089 | bfa_wc_wait(&fabric->stop_wc); | |
1090 | } | |
1091 | ||
1092 | /* | |
1093 | * Delete all vports and wait for vport delete completions. | |
1094 | */ | |
1095 | static void | |
1096 | bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric) | |
1097 | { | |
1098 | struct bfa_fcs_vport_s *vport; | |
1099 | struct list_head *qe, *qen; | |
1100 | ||
1101 | list_for_each_safe(qe, qen, &fabric->vport_q) { | |
1102 | vport = (struct bfa_fcs_vport_s *) qe; | |
1103 | bfa_fcs_vport_fcs_delete(vport); | |
1104 | } | |
1105 | ||
1106 | bfa_fcs_lport_delete(&fabric->bport); | |
1107 | bfa_wc_wait(&fabric->wc); | |
1108 | } | |
1109 | ||
1110 | static void | |
1111 | bfa_fcs_fabric_delete_comp(void *cbarg) | |
1112 | { | |
1113 | struct bfa_fcs_fabric_s *fabric = cbarg; | |
1114 | ||
1115 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELCOMP); | |
1116 | } | |
1117 | ||
1118 | static void | |
1119 | bfa_fcs_fabric_stop_comp(void *cbarg) | |
1120 | { | |
1121 | struct bfa_fcs_fabric_s *fabric = cbarg; | |
1122 | ||
1123 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_STOPCOMP); | |
1124 | } | |
1125 | ||
1126 | /* | |
1127 | * fcs_fabric_public fabric public functions | |
1128 | */ | |
1129 | ||
1130 | /* | |
1131 | * Attach time initialization. | |
1132 | */ | |
1133 | void | |
1134 | bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs) | |
1135 | { | |
1136 | struct bfa_fcs_fabric_s *fabric; | |
1137 | ||
1138 | fabric = &fcs->fabric; | |
1139 | memset(fabric, 0, sizeof(struct bfa_fcs_fabric_s)); | |
1140 | ||
1141 | /* | |
1142 | * Initialize base fabric. | |
1143 | */ | |
1144 | fabric->fcs = fcs; | |
1145 | INIT_LIST_HEAD(&fabric->vport_q); | |
1146 | INIT_LIST_HEAD(&fabric->vf_q); | |
1147 | fabric->lps = bfa_lps_alloc(fcs->bfa); | |
1148 | WARN_ON(!fabric->lps); | |
1149 | ||
1150 | /* | |
1151 | * Initialize fabric delete completion handler. Fabric deletion is | |
1152 | * complete when the last vport delete is complete. | |
1153 | */ | |
1154 | bfa_wc_init(&fabric->wc, bfa_fcs_fabric_delete_comp, fabric); | |
1155 | bfa_wc_up(&fabric->wc); /* For the base port */ | |
1156 | ||
1157 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); | |
1158 | bfa_fcs_lport_attach(&fabric->bport, fabric->fcs, FC_VF_ID_NULL, NULL); | |
1159 | } | |
1160 | ||
1161 | void | |
1162 | bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs) | |
1163 | { | |
1164 | bfa_sm_send_event(&fcs->fabric, BFA_FCS_FABRIC_SM_CREATE); | |
1165 | bfa_trc(fcs, 0); | |
1166 | } | |
1167 | ||
1168 | /* | |
1169 | * Module cleanup | |
1170 | */ | |
1171 | void | |
1172 | bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs) | |
1173 | { | |
1174 | struct bfa_fcs_fabric_s *fabric; | |
1175 | ||
1176 | bfa_trc(fcs, 0); | |
1177 | ||
1178 | /* | |
1179 | * Cleanup base fabric. | |
1180 | */ | |
1181 | fabric = &fcs->fabric; | |
1182 | bfa_lps_delete(fabric->lps); | |
1183 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELETE); | |
1184 | } | |
1185 | ||
1186 | /* | |
1187 | * Fabric module stop -- stop FCS actions | |
1188 | */ | |
1189 | void | |
1190 | bfa_fcs_fabric_modstop(struct bfa_fcs_s *fcs) | |
1191 | { | |
1192 | struct bfa_fcs_fabric_s *fabric; | |
1193 | ||
1194 | bfa_trc(fcs, 0); | |
1195 | fabric = &fcs->fabric; | |
1196 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_STOP); | |
1197 | } | |
1198 | ||
1199 | /* | |
1200 | * Fabric module start -- kick starts FCS actions | |
1201 | */ | |
1202 | void | |
1203 | bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs) | |
1204 | { | |
1205 | struct bfa_fcs_fabric_s *fabric; | |
1206 | ||
1207 | bfa_trc(fcs, 0); | |
1208 | fabric = &fcs->fabric; | |
1209 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_START); | |
1210 | } | |
1211 | ||
1212 | ||
1213 | /* | |
1214 | * Link up notification from BFA physical port module. | |
1215 | */ | |
1216 | void | |
1217 | bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric) | |
1218 | { | |
1219 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
1220 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_UP); | |
1221 | } | |
1222 | ||
1223 | /* | |
1224 | * Link down notification from BFA physical port module. | |
1225 | */ | |
1226 | void | |
1227 | bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric) | |
1228 | { | |
1229 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
1230 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_DOWN); | |
1231 | } | |
1232 | ||
1233 | /* | |
1234 | * A child vport is being created in the fabric. | |
1235 | * | |
1236 | * Call from vport module at vport creation. A list of base port and vports | |
1237 | * belonging to a fabric is maintained to propagate link events. | |
1238 | * | |
1239 | * param[in] fabric - Fabric instance. This can be a base fabric or vf. | |
1240 | * param[in] vport - Vport being created. | |
1241 | * | |
1242 | * @return None (always succeeds) | |
1243 | */ | |
1244 | void | |
1245 | bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, | |
1246 | struct bfa_fcs_vport_s *vport) | |
1247 | { | |
1248 | /* | |
1249 | * - add vport to fabric's vport_q | |
1250 | */ | |
1251 | bfa_trc(fabric->fcs, fabric->vf_id); | |
1252 | ||
1253 | list_add_tail(&vport->qe, &fabric->vport_q); | |
1254 | fabric->num_vports++; | |
1255 | bfa_wc_up(&fabric->wc); | |
1256 | } | |
1257 | ||
1258 | /* | |
1259 | * A child vport is being deleted from fabric. | |
1260 | * | |
1261 | * Vport is being deleted. | |
1262 | */ | |
1263 | void | |
1264 | bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, | |
1265 | struct bfa_fcs_vport_s *vport) | |
1266 | { | |
1267 | list_del(&vport->qe); | |
1268 | fabric->num_vports--; | |
1269 | bfa_wc_down(&fabric->wc); | |
1270 | } | |
1271 | ||
1272 | ||
1273 | /* | |
1274 | * Lookup for a vport within a fabric given its pwwn | |
1275 | */ | |
1276 | struct bfa_fcs_vport_s * | |
1277 | bfa_fcs_fabric_vport_lookup(struct bfa_fcs_fabric_s *fabric, wwn_t pwwn) | |
1278 | { | |
1279 | struct bfa_fcs_vport_s *vport; | |
1280 | struct list_head *qe; | |
1281 | ||
1282 | list_for_each(qe, &fabric->vport_q) { | |
1283 | vport = (struct bfa_fcs_vport_s *) qe; | |
1284 | if (bfa_fcs_lport_get_pwwn(&vport->lport) == pwwn) | |
1285 | return vport; | |
1286 | } | |
1287 | ||
1288 | return NULL; | |
1289 | } | |
1290 | ||
1291 | ||
1292 | /* | |
1293 | * Get OUI of the attached switch. | |
1294 | * | |
1295 | * Note : Use of this function should be avoided as much as possible. | |
1296 | * This function should be used only if there is any requirement | |
1297 | * to check for FOS version below 6.3. | |
1298 | * To check if the attached fabric is a brocade fabric, use | |
1299 | * bfa_lps_is_brcd_fabric() which works for FOS versions 6.3 | |
1300 | * or above only. | |
1301 | */ | |
1302 | ||
1303 | u16 | |
1304 | bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric) | |
1305 | { | |
1306 | wwn_t fab_nwwn; | |
1307 | u8 *tmp; | |
1308 | u16 oui; | |
1309 | ||
1310 | fab_nwwn = fabric->lps->pr_nwwn; | |
1311 | ||
1312 | tmp = (u8 *)&fab_nwwn; | |
1313 | oui = (tmp[3] << 8) | tmp[4]; | |
1314 | ||
1315 | return oui; | |
1316 | } | |
1317 | /* | |
1318 | * Unsolicited frame receive handling. | |
1319 | */ | |
1320 | void | |
1321 | bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, | |
1322 | u16 len) | |
1323 | { | |
1324 | u32 pid = fchs->d_id; | |
1325 | struct bfa_fcs_vport_s *vport; | |
1326 | struct list_head *qe; | |
1327 | struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); | |
1328 | struct fc_logi_s *flogi = (struct fc_logi_s *) els_cmd; | |
1329 | ||
1330 | bfa_trc(fabric->fcs, len); | |
1331 | bfa_trc(fabric->fcs, pid); | |
1332 | ||
1333 | /* | |
1334 | * Look for our own FLOGI frames being looped back. This means an | |
1335 | * external loopback cable is in place. Our own FLOGI frames are | |
1336 | * sometimes looped back when switch port gets temporarily bypassed. | |
1337 | */ | |
1338 | if ((pid == bfa_ntoh3b(FC_FABRIC_PORT)) && | |
1339 | (els_cmd->els_code == FC_ELS_FLOGI) && | |
1340 | (flogi->port_name == bfa_fcs_lport_get_pwwn(&fabric->bport))) { | |
1341 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LOOPBACK); | |
1342 | return; | |
1343 | } | |
1344 | ||
1345 | /* | |
1346 | * FLOGI/EVFP exchanges should be consumed by base fabric. | |
1347 | */ | |
1348 | if (fchs->d_id == bfa_hton3b(FC_FABRIC_PORT)) { | |
1349 | bfa_trc(fabric->fcs, pid); | |
1350 | bfa_fcs_fabric_process_uf(fabric, fchs, len); | |
1351 | return; | |
1352 | } | |
1353 | ||
1354 | if (fabric->bport.pid == pid) { | |
1355 | /* | |
1356 | * All authentication frames should be routed to auth | |
1357 | */ | |
1358 | bfa_trc(fabric->fcs, els_cmd->els_code); | |
1359 | if (els_cmd->els_code == FC_ELS_AUTH) { | |
1360 | bfa_trc(fabric->fcs, els_cmd->els_code); | |
1361 | return; | |
1362 | } | |
1363 | ||
1364 | bfa_trc(fabric->fcs, *(u8 *) ((u8 *) fchs)); | |
1365 | bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len); | |
1366 | return; | |
1367 | } | |
1368 | ||
1369 | /* | |
1370 | * look for a matching local port ID | |
1371 | */ | |
1372 | list_for_each(qe, &fabric->vport_q) { | |
1373 | vport = (struct bfa_fcs_vport_s *) qe; | |
1374 | if (vport->lport.pid == pid) { | |
1375 | bfa_fcs_lport_uf_recv(&vport->lport, fchs, len); | |
1376 | return; | |
1377 | } | |
1378 | } | |
1379 | ||
1380 | if (!bfa_fcs_fabric_is_switched(fabric)) | |
1381 | bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len); | |
1382 | ||
1383 | bfa_trc(fabric->fcs, fchs->type); | |
1384 | } | |
1385 | ||
1386 | /* | |
1387 | * Unsolicited frames to be processed by fabric. | |
1388 | */ | |
1389 | static void | |
1390 | bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, | |
1391 | u16 len) | |
1392 | { | |
1393 | struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); | |
1394 | ||
1395 | bfa_trc(fabric->fcs, els_cmd->els_code); | |
1396 | ||
1397 | switch (els_cmd->els_code) { | |
1398 | case FC_ELS_FLOGI: | |
1399 | bfa_fcs_fabric_process_flogi(fabric, fchs, len); | |
1400 | break; | |
1401 | ||
1402 | default: | |
1403 | /* | |
1404 | * need to generate a LS_RJT | |
1405 | */ | |
1406 | break; | |
1407 | } | |
1408 | } | |
1409 | ||
1410 | /* | |
1411 | * Process incoming FLOGI | |
1412 | */ | |
1413 | static void | |
1414 | bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, | |
1415 | struct fchs_s *fchs, u16 len) | |
1416 | { | |
1417 | struct fc_logi_s *flogi = (struct fc_logi_s *) (fchs + 1); | |
1418 | struct bfa_fcs_lport_s *bport = &fabric->bport; | |
1419 | ||
1420 | bfa_trc(fabric->fcs, fchs->s_id); | |
1421 | ||
1422 | fabric->stats.flogi_rcvd++; | |
1423 | /* | |
1424 | * Check port type. It should be 0 = n-port. | |
1425 | */ | |
1426 | if (flogi->csp.port_type) { | |
1427 | /* | |
1428 | * @todo: may need to send a LS_RJT | |
1429 | */ | |
1430 | bfa_trc(fabric->fcs, flogi->port_name); | |
1431 | fabric->stats.flogi_rejected++; | |
1432 | return; | |
1433 | } | |
1434 | ||
1435 | fabric->bb_credit = be16_to_cpu(flogi->csp.bbcred); | |
1436 | bport->port_topo.pn2n.rem_port_wwn = flogi->port_name; | |
1437 | bport->port_topo.pn2n.reply_oxid = fchs->ox_id; | |
1438 | ||
1439 | /* | |
1440 | * Send a Flogi Acc | |
1441 | */ | |
1442 | bfa_fcs_fabric_send_flogi_acc(fabric); | |
1443 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC); | |
1444 | } | |
1445 | ||
1446 | static void | |
1447 | bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric) | |
1448 | { | |
1449 | struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg; | |
1450 | struct bfa_fcs_lport_n2n_s *n2n_port = &fabric->bport.port_topo.pn2n; | |
1451 | struct bfa_s *bfa = fabric->fcs->bfa; | |
1452 | struct bfa_fcxp_s *fcxp; | |
1453 | u16 reqlen; | |
1454 | struct fchs_s fchs; | |
1455 | ||
1456 | fcxp = bfa_fcs_fcxp_alloc(fabric->fcs, BFA_FALSE); | |
1457 | /* | |
1458 | * Do not expect this failure -- expect remote node to retry | |
1459 | */ | |
1460 | if (!fcxp) | |
1461 | return; | |
1462 | ||
1463 | reqlen = fc_flogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1464 | bfa_hton3b(FC_FABRIC_PORT), | |
1465 | n2n_port->reply_oxid, pcfg->pwwn, | |
1466 | pcfg->nwwn, | |
1467 | bfa_fcport_get_maxfrsize(bfa), | |
1468 | bfa_fcport_get_rx_bbcredit(bfa), 0); | |
1469 | ||
1470 | bfa_fcxp_send(fcxp, NULL, fabric->vf_id, fabric->lps->bfa_tag, | |
1471 | BFA_FALSE, FC_CLASS_3, | |
1472 | reqlen, &fchs, bfa_fcs_fabric_flogiacc_comp, fabric, | |
1473 | FC_MAX_PDUSZ, 0); | |
1474 | } | |
1475 | ||
1476 | /* | |
1477 | * Flogi Acc completion callback. | |
1478 | */ | |
1479 | static void | |
1480 | bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1481 | bfa_status_t status, u32 rsp_len, | |
1482 | u32 resid_len, struct fchs_s *rspfchs) | |
1483 | { | |
1484 | struct bfa_fcs_fabric_s *fabric = cbarg; | |
1485 | ||
1486 | bfa_trc(fabric->fcs, status); | |
1487 | } | |
1488 | ||
1489 | ||
1490 | /* | |
1491 | * Send AEN notification | |
1492 | */ | |
1493 | static void | |
1494 | bfa_fcs_fabric_aen_post(struct bfa_fcs_lport_s *port, | |
1495 | enum bfa_port_aen_event event) | |
1496 | { | |
1497 | struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad; | |
1498 | struct bfa_aen_entry_s *aen_entry; | |
1499 | ||
1500 | bfad_get_aen_entry(bfad, aen_entry); | |
1501 | if (!aen_entry) | |
1502 | return; | |
1503 | ||
1504 | aen_entry->aen_data.port.pwwn = bfa_fcs_lport_get_pwwn(port); | |
1505 | aen_entry->aen_data.port.fwwn = bfa_fcs_lport_get_fabric_name(port); | |
1506 | ||
1507 | /* Send the AEN notification */ | |
1508 | bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq, | |
1509 | BFA_AEN_CAT_PORT, event); | |
1510 | } | |
1511 | ||
1512 | /* | |
1513 | * | |
1514 | * @param[in] fabric - fabric | |
1515 | * @param[in] wwn_t - new fabric name | |
1516 | * | |
1517 | * @return - none | |
1518 | */ | |
1519 | void | |
1520 | bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, | |
1521 | wwn_t fabric_name) | |
1522 | { | |
1523 | struct bfad_s *bfad = (struct bfad_s *)fabric->fcs->bfad; | |
1524 | char pwwn_ptr[BFA_STRING_32]; | |
1525 | char fwwn_ptr[BFA_STRING_32]; | |
1526 | ||
1527 | bfa_trc(fabric->fcs, fabric_name); | |
1528 | ||
1529 | if (fabric->fabric_name == 0) { | |
1530 | /* | |
1531 | * With BRCD switches, we don't get Fabric Name in FLOGI. | |
1532 | * Don't generate a fabric name change event in this case. | |
1533 | */ | |
1534 | fabric->fabric_name = fabric_name; | |
1535 | } else { | |
1536 | fabric->fabric_name = fabric_name; | |
1537 | wwn2str(pwwn_ptr, bfa_fcs_lport_get_pwwn(&fabric->bport)); | |
1538 | wwn2str(fwwn_ptr, | |
1539 | bfa_fcs_lport_get_fabric_name(&fabric->bport)); | |
1540 | BFA_LOG(KERN_WARNING, bfad, bfa_log_level, | |
1541 | "Base port WWN = %s Fabric WWN = %s\n", | |
1542 | pwwn_ptr, fwwn_ptr); | |
1543 | bfa_fcs_fabric_aen_post(&fabric->bport, | |
1544 | BFA_PORT_AEN_FABRIC_NAME_CHANGE); | |
1545 | } | |
1546 | } | |
1547 | ||
1548 | void | |
1549 | bfa_cb_lps_flogo_comp(void *bfad, void *uarg) | |
1550 | { | |
1551 | struct bfa_fcs_fabric_s *fabric = uarg; | |
1552 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LOGOCOMP); | |
1553 | } | |
1554 | ||
1555 | /* | |
1556 | * Returns FCS vf structure for a given vf_id. | |
1557 | * | |
1558 | * param[in] vf_id - VF_ID | |
1559 | * | |
1560 | * return | |
1561 | * If lookup succeeds, retuns fcs vf object, otherwise returns NULL | |
1562 | */ | |
1563 | bfa_fcs_vf_t * | |
1564 | bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id) | |
1565 | { | |
1566 | bfa_trc(fcs, vf_id); | |
1567 | if (vf_id == FC_VF_ID_NULL) | |
1568 | return &fcs->fabric; | |
1569 | ||
1570 | return NULL; | |
1571 | } | |
1572 | ||
1573 | /* | |
1574 | * Return the list of local logical ports present in the given VF. | |
1575 | * | |
1576 | * @param[in] vf vf for which logical ports are returned | |
1577 | * @param[out] lpwwn returned logical port wwn list | |
1578 | * @param[in,out] nlports in:size of lpwwn list; | |
1579 | * out:total elements present, | |
1580 | * actual elements returned is limited by the size | |
1581 | */ | |
1582 | void | |
1583 | bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t lpwwn[], int *nlports) | |
1584 | { | |
1585 | struct list_head *qe; | |
1586 | struct bfa_fcs_vport_s *vport; | |
1587 | int i = 0; | |
1588 | struct bfa_fcs_s *fcs; | |
1589 | ||
1590 | if (vf == NULL || lpwwn == NULL || *nlports == 0) | |
1591 | return; | |
1592 | ||
1593 | fcs = vf->fcs; | |
1594 | ||
1595 | bfa_trc(fcs, vf->vf_id); | |
1596 | bfa_trc(fcs, (uint32_t) *nlports); | |
1597 | ||
1598 | lpwwn[i++] = vf->bport.port_cfg.pwwn; | |
1599 | ||
1600 | list_for_each(qe, &vf->vport_q) { | |
1601 | if (i >= *nlports) | |
1602 | break; | |
1603 | ||
1604 | vport = (struct bfa_fcs_vport_s *) qe; | |
1605 | lpwwn[i++] = vport->lport.port_cfg.pwwn; | |
1606 | } | |
1607 | ||
1608 | bfa_trc(fcs, i); | |
1609 | *nlports = i; | |
1610 | } | |
1611 | ||
1612 | /* | |
1613 | * BFA FCS PPORT ( physical port) | |
1614 | */ | |
1615 | static void | |
1616 | bfa_fcs_port_event_handler(void *cbarg, enum bfa_port_linkstate event) | |
1617 | { | |
1618 | struct bfa_fcs_s *fcs = cbarg; | |
1619 | ||
1620 | bfa_trc(fcs, event); | |
1621 | ||
1622 | switch (event) { | |
1623 | case BFA_PORT_LINKUP: | |
1624 | bfa_fcs_fabric_link_up(&fcs->fabric); | |
1625 | break; | |
1626 | ||
1627 | case BFA_PORT_LINKDOWN: | |
1628 | bfa_fcs_fabric_link_down(&fcs->fabric); | |
1629 | break; | |
1630 | ||
1631 | default: | |
1632 | WARN_ON(1); | |
1633 | } | |
1634 | } | |
1635 | ||
1636 | void | |
1637 | bfa_fcs_port_attach(struct bfa_fcs_s *fcs) | |
1638 | { | |
1639 | bfa_fcport_event_register(fcs->bfa, bfa_fcs_port_event_handler, fcs); | |
1640 | } | |
1641 | ||
1642 | /* | |
1643 | * BFA FCS UF ( Unsolicited Frames) | |
1644 | */ | |
1645 | ||
1646 | /* | |
1647 | * BFA callback for unsolicited frame receive handler. | |
1648 | * | |
1649 | * @param[in] cbarg callback arg for receive handler | |
1650 | * @param[in] uf unsolicited frame descriptor | |
1651 | * | |
1652 | * @return None | |
1653 | */ | |
1654 | static void | |
1655 | bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf) | |
1656 | { | |
1657 | struct bfa_fcs_s *fcs = (struct bfa_fcs_s *) cbarg; | |
1658 | struct fchs_s *fchs = bfa_uf_get_frmbuf(uf); | |
1659 | u16 len = bfa_uf_get_frmlen(uf); | |
1660 | struct fc_vft_s *vft; | |
1661 | struct bfa_fcs_fabric_s *fabric; | |
1662 | ||
1663 | /* | |
1664 | * check for VFT header | |
1665 | */ | |
1666 | if (fchs->routing == FC_RTG_EXT_HDR && | |
1667 | fchs->cat_info == FC_CAT_VFT_HDR) { | |
1668 | bfa_stats(fcs, uf.tagged); | |
1669 | vft = bfa_uf_get_frmbuf(uf); | |
1670 | if (fcs->port_vfid == vft->vf_id) | |
1671 | fabric = &fcs->fabric; | |
1672 | else | |
1673 | fabric = bfa_fcs_vf_lookup(fcs, (u16) vft->vf_id); | |
1674 | ||
1675 | /* | |
1676 | * drop frame if vfid is unknown | |
1677 | */ | |
1678 | if (!fabric) { | |
1679 | WARN_ON(1); | |
1680 | bfa_stats(fcs, uf.vfid_unknown); | |
1681 | bfa_uf_free(uf); | |
1682 | return; | |
1683 | } | |
1684 | ||
1685 | /* | |
1686 | * skip vft header | |
1687 | */ | |
1688 | fchs = (struct fchs_s *) (vft + 1); | |
1689 | len -= sizeof(struct fc_vft_s); | |
1690 | ||
1691 | bfa_trc(fcs, vft->vf_id); | |
1692 | } else { | |
1693 | bfa_stats(fcs, uf.untagged); | |
1694 | fabric = &fcs->fabric; | |
1695 | } | |
1696 | ||
1697 | bfa_trc(fcs, ((u32 *) fchs)[0]); | |
1698 | bfa_trc(fcs, ((u32 *) fchs)[1]); | |
1699 | bfa_trc(fcs, ((u32 *) fchs)[2]); | |
1700 | bfa_trc(fcs, ((u32 *) fchs)[3]); | |
1701 | bfa_trc(fcs, ((u32 *) fchs)[4]); | |
1702 | bfa_trc(fcs, ((u32 *) fchs)[5]); | |
1703 | bfa_trc(fcs, len); | |
1704 | ||
1705 | bfa_fcs_fabric_uf_recv(fabric, fchs, len); | |
1706 | bfa_uf_free(uf); | |
1707 | } | |
1708 | ||
1709 | void | |
1710 | bfa_fcs_uf_attach(struct bfa_fcs_s *fcs) | |
1711 | { | |
1712 | bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs); | |
1713 | } |