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Commit | Line | Data |
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7725ccfd | 1 | /* |
a36c61f9 | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
7725ccfd JH |
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 | ||
5fbe25c7 | 18 | /* |
7725ccfd JH |
19 | * bfa_fcs.c BFA FCS main |
20 | */ | |
21 | ||
f16a1750 | 22 | #include "bfad_drv.h" |
a36c61f9 KG |
23 | #include "bfa_fcs.h" |
24 | #include "bfa_fcbuild.h" | |
a36c61f9 KG |
25 | |
26 | BFA_TRC_FILE(FCS, FCS); | |
7725ccfd | 27 | |
5fbe25c7 | 28 | /* |
7725ccfd JH |
29 | * FCS sub-modules |
30 | */ | |
31 | struct bfa_fcs_mod_s { | |
82794a2e | 32 | void (*attach) (struct bfa_fcs_s *fcs); |
a36c61f9 KG |
33 | void (*modinit) (struct bfa_fcs_s *fcs); |
34 | void (*modexit) (struct bfa_fcs_s *fcs); | |
7725ccfd JH |
35 | }; |
36 | ||
37 | #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit } | |
38 | ||
39 | static struct bfa_fcs_mod_s fcs_modules[] = { | |
a36c61f9 | 40 | { bfa_fcs_port_attach, NULL, NULL }, |
82794a2e KG |
41 | { bfa_fcs_uf_attach, NULL, NULL }, |
42 | { bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit, | |
a36c61f9 | 43 | bfa_fcs_fabric_modexit }, |
7725ccfd JH |
44 | }; |
45 | ||
5fbe25c7 | 46 | /* |
7725ccfd JH |
47 | * fcs_api BFA FCS API |
48 | */ | |
49 | ||
50 | static void | |
51 | bfa_fcs_exit_comp(void *fcs_cbarg) | |
52 | { | |
a36c61f9 KG |
53 | struct bfa_fcs_s *fcs = fcs_cbarg; |
54 | struct bfad_s *bfad = fcs->bfad; | |
7725ccfd JH |
55 | |
56 | complete(&bfad->comp); | |
57 | } | |
58 | ||
59 | ||
60 | ||
5fbe25c7 | 61 | /* |
7725ccfd JH |
62 | * fcs_api BFA FCS API |
63 | */ | |
64 | ||
5fbe25c7 | 65 | /* |
82794a2e | 66 | * fcs attach -- called once to initialize data structures at driver attach time |
7725ccfd JH |
67 | */ |
68 | void | |
82794a2e | 69 | bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad, |
a36c61f9 | 70 | bfa_boolean_t min_cfg) |
7725ccfd | 71 | { |
a36c61f9 | 72 | int i; |
7725ccfd JH |
73 | struct bfa_fcs_mod_s *mod; |
74 | ||
75 | fcs->bfa = bfa; | |
76 | fcs->bfad = bfad; | |
77 | fcs->min_cfg = min_cfg; | |
78 | ||
f7f73812 | 79 | bfa->fcs = BFA_TRUE; |
7725ccfd JH |
80 | fcbuild_init(); |
81 | ||
a36c61f9 | 82 | for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) { |
7725ccfd | 83 | mod = &fcs_modules[i]; |
82794a2e KG |
84 | if (mod->attach) |
85 | mod->attach(fcs); | |
86 | } | |
87 | } | |
88 | ||
5fbe25c7 | 89 | /* |
82794a2e KG |
90 | * fcs initialization, called once after bfa initialization is complete |
91 | */ | |
92 | void | |
93 | bfa_fcs_init(struct bfa_fcs_s *fcs) | |
94 | { | |
a36c61f9 | 95 | int i, npbc_vports; |
82794a2e | 96 | struct bfa_fcs_mod_s *mod; |
d9883548 | 97 | struct bfi_pbc_vport_s pbc_vports[BFI_PBC_MAX_VPORTS]; |
82794a2e | 98 | |
a36c61f9 | 99 | for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) { |
82794a2e KG |
100 | mod = &fcs_modules[i]; |
101 | if (mod->modinit) | |
102 | mod->modinit(fcs); | |
7725ccfd | 103 | } |
d9883548 JH |
104 | /* Initialize pbc vports */ |
105 | if (!fcs->min_cfg) { | |
106 | npbc_vports = | |
a36c61f9 | 107 | bfa_iocfc_get_pbc_vports(fcs->bfa, pbc_vports); |
d9883548 JH |
108 | for (i = 0; i < npbc_vports; i++) |
109 | bfa_fcb_pbc_vport_create(fcs->bfa->bfad, pbc_vports[i]); | |
110 | } | |
7725ccfd JH |
111 | } |
112 | ||
7725ccfd | 113 | |
5fbe25c7 | 114 | /* |
a36c61f9 KG |
115 | * brief |
116 | * FCS driver details initialization. | |
7725ccfd | 117 | * |
a36c61f9 KG |
118 | * param[in] fcs FCS instance |
119 | * param[in] driver_info Driver Details | |
7725ccfd | 120 | * |
a36c61f9 | 121 | * return None |
7725ccfd JH |
122 | */ |
123 | void | |
124 | bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, | |
125 | struct bfa_fcs_driver_info_s *driver_info) | |
126 | { | |
127 | ||
128 | fcs->driver_info = *driver_info; | |
129 | ||
130 | bfa_fcs_fabric_psymb_init(&fcs->fabric); | |
131 | } | |
132 | ||
5fbe25c7 | 133 | /* |
a36c61f9 KG |
134 | * brief |
135 | * FCS instance cleanup and exit. | |
7725ccfd | 136 | * |
a36c61f9 KG |
137 | * param[in] fcs FCS instance |
138 | * return None | |
7725ccfd JH |
139 | */ |
140 | void | |
141 | bfa_fcs_exit(struct bfa_fcs_s *fcs) | |
142 | { | |
143 | struct bfa_fcs_mod_s *mod; | |
a36c61f9 | 144 | int nmods, i; |
7725ccfd JH |
145 | |
146 | bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs); | |
147 | ||
a36c61f9 KG |
148 | nmods = sizeof(fcs_modules) / sizeof(fcs_modules[0]); |
149 | ||
150 | for (i = 0; i < nmods; i++) { | |
7725ccfd JH |
151 | |
152 | mod = &fcs_modules[i]; | |
82794a2e KG |
153 | if (mod->modexit) { |
154 | bfa_wc_up(&fcs->wc); | |
155 | mod->modexit(fcs); | |
156 | } | |
7725ccfd JH |
157 | } |
158 | ||
159 | bfa_wc_wait(&fcs->wc); | |
160 | } | |
161 | ||
162 | ||
5fbe25c7 | 163 | /* |
a36c61f9 KG |
164 | * Fabric module implementation. |
165 | */ | |
166 | ||
167 | #define BFA_FCS_FABRIC_RETRY_DELAY (2000) /* Milliseconds */ | |
168 | #define BFA_FCS_FABRIC_CLEANUP_DELAY (10000) /* Milliseconds */ | |
169 | ||
170 | #define bfa_fcs_fabric_set_opertype(__fabric) do { \ | |
171 | if (bfa_fcport_get_topology((__fabric)->fcs->bfa) \ | |
172 | == BFA_PORT_TOPOLOGY_P2P) \ | |
173 | (__fabric)->oper_type = BFA_PORT_TYPE_NPORT; \ | |
174 | else \ | |
175 | (__fabric)->oper_type = BFA_PORT_TYPE_NLPORT; \ | |
176 | } while (0) | |
177 | ||
178 | /* | |
179 | * forward declarations | |
180 | */ | |
181 | static void bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric); | |
182 | static void bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric); | |
183 | static void bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric); | |
184 | static void bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric); | |
185 | static void bfa_fcs_fabric_delay(void *cbarg); | |
186 | static void bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric); | |
187 | static void bfa_fcs_fabric_delete_comp(void *cbarg); | |
188 | static void bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, | |
189 | struct fchs_s *fchs, u16 len); | |
190 | static void bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, | |
191 | struct fchs_s *fchs, u16 len); | |
192 | static void bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric); | |
193 | static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg, | |
194 | struct bfa_fcxp_s *fcxp, void *cbarg, | |
195 | bfa_status_t status, | |
196 | u32 rsp_len, | |
197 | u32 resid_len, | |
198 | struct fchs_s *rspfchs); | |
be540a99 KG |
199 | static u8 bfa_fcs_fabric_oper_bbscn(struct bfa_fcs_fabric_s *fabric); |
200 | static bfa_boolean_t bfa_fcs_fabric_is_bbscn_enabled( | |
201 | struct bfa_fcs_fabric_s *fabric); | |
a36c61f9 KG |
202 | |
203 | static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, | |
204 | enum bfa_fcs_fabric_event event); | |
205 | static void bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, | |
206 | enum bfa_fcs_fabric_event event); | |
207 | static void bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, | |
208 | enum bfa_fcs_fabric_event event); | |
209 | static void bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, | |
210 | enum bfa_fcs_fabric_event event); | |
211 | static void bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, | |
212 | enum bfa_fcs_fabric_event event); | |
213 | static void bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, | |
214 | enum bfa_fcs_fabric_event event); | |
a36c61f9 KG |
215 | static void bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, |
216 | enum bfa_fcs_fabric_event event); | |
a36c61f9 KG |
217 | static void bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, |
218 | enum bfa_fcs_fabric_event event); | |
219 | static void bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, | |
220 | enum bfa_fcs_fabric_event event); | |
221 | static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, | |
222 | enum bfa_fcs_fabric_event event); | |
223 | static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, | |
224 | enum bfa_fcs_fabric_event event); | |
5fbe25c7 | 225 | /* |
a36c61f9 KG |
226 | * Beginning state before fabric creation. |
227 | */ | |
228 | static void | |
229 | bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, | |
230 | enum bfa_fcs_fabric_event event) | |
231 | { | |
232 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
233 | bfa_trc(fabric->fcs, event); | |
234 | ||
235 | switch (event) { | |
236 | case BFA_FCS_FABRIC_SM_CREATE: | |
237 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created); | |
238 | bfa_fcs_fabric_init(fabric); | |
239 | bfa_fcs_lport_init(&fabric->bport, &fabric->bport.port_cfg); | |
240 | break; | |
241 | ||
242 | case BFA_FCS_FABRIC_SM_LINK_UP: | |
243 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
244 | break; | |
245 | ||
246 | default: | |
247 | bfa_sm_fault(fabric->fcs, event); | |
248 | } | |
249 | } | |
250 | ||
5fbe25c7 | 251 | /* |
a36c61f9 KG |
252 | * Beginning state before fabric creation. |
253 | */ | |
254 | static void | |
255 | bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, | |
256 | enum bfa_fcs_fabric_event event) | |
257 | { | |
258 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
259 | bfa_trc(fabric->fcs, event); | |
260 | ||
261 | switch (event) { | |
262 | case BFA_FCS_FABRIC_SM_START: | |
263 | if (bfa_fcport_is_linkup(fabric->fcs->bfa)) { | |
264 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); | |
265 | bfa_fcs_fabric_login(fabric); | |
266 | } else | |
267 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
268 | break; | |
269 | ||
270 | case BFA_FCS_FABRIC_SM_LINK_UP: | |
271 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
272 | break; | |
273 | ||
274 | case BFA_FCS_FABRIC_SM_DELETE: | |
dd5aaf45 KG |
275 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); |
276 | bfa_fcs_fabric_delete(fabric); | |
a36c61f9 KG |
277 | break; |
278 | ||
279 | default: | |
280 | bfa_sm_fault(fabric->fcs, event); | |
281 | } | |
282 | } | |
283 | ||
5fbe25c7 | 284 | /* |
a36c61f9 KG |
285 | * Link is down, awaiting LINK UP event from port. This is also the |
286 | * first state at fabric creation. | |
287 | */ | |
288 | static void | |
289 | bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, | |
290 | enum bfa_fcs_fabric_event event) | |
291 | { | |
292 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
293 | bfa_trc(fabric->fcs, event); | |
294 | ||
295 | switch (event) { | |
296 | case BFA_FCS_FABRIC_SM_LINK_UP: | |
297 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); | |
298 | bfa_fcs_fabric_login(fabric); | |
299 | break; | |
300 | ||
301 | case BFA_FCS_FABRIC_SM_RETRY_OP: | |
302 | break; | |
303 | ||
304 | case BFA_FCS_FABRIC_SM_DELETE: | |
305 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
306 | bfa_fcs_fabric_delete(fabric); | |
307 | break; | |
308 | ||
309 | default: | |
310 | bfa_sm_fault(fabric->fcs, event); | |
311 | } | |
312 | } | |
313 | ||
5fbe25c7 | 314 | /* |
a36c61f9 KG |
315 | * FLOGI is in progress, awaiting FLOGI reply. |
316 | */ | |
317 | static void | |
318 | bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, | |
319 | enum bfa_fcs_fabric_event event) | |
320 | { | |
321 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
322 | bfa_trc(fabric->fcs, event); | |
323 | ||
324 | switch (event) { | |
325 | case BFA_FCS_FABRIC_SM_CONT_OP: | |
326 | ||
327 | bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, | |
be540a99 KG |
328 | fabric->bb_credit, |
329 | bfa_fcs_fabric_oper_bbscn(fabric)); | |
a36c61f9 KG |
330 | fabric->fab_type = BFA_FCS_FABRIC_SWITCHED; |
331 | ||
332 | if (fabric->auth_reqd && fabric->is_auth) { | |
333 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth); | |
334 | bfa_trc(fabric->fcs, event); | |
335 | } else { | |
336 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); | |
337 | bfa_fcs_fabric_notify_online(fabric); | |
338 | } | |
339 | break; | |
340 | ||
341 | case BFA_FCS_FABRIC_SM_RETRY_OP: | |
342 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi_retry); | |
343 | bfa_timer_start(fabric->fcs->bfa, &fabric->delay_timer, | |
344 | bfa_fcs_fabric_delay, fabric, | |
345 | BFA_FCS_FABRIC_RETRY_DELAY); | |
346 | break; | |
347 | ||
348 | case BFA_FCS_FABRIC_SM_LOOPBACK: | |
349 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_loopback); | |
f7f73812 | 350 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); |
a36c61f9 KG |
351 | bfa_fcs_fabric_set_opertype(fabric); |
352 | break; | |
353 | ||
354 | case BFA_FCS_FABRIC_SM_NO_FABRIC: | |
355 | fabric->fab_type = BFA_FCS_FABRIC_N2N; | |
356 | bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, | |
be540a99 KG |
357 | fabric->bb_credit, |
358 | bfa_fcs_fabric_oper_bbscn(fabric)); | |
a36c61f9 KG |
359 | bfa_fcs_fabric_notify_online(fabric); |
360 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric); | |
361 | break; | |
362 | ||
363 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
364 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
f7f73812 | 365 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); |
a36c61f9 KG |
366 | break; |
367 | ||
368 | case BFA_FCS_FABRIC_SM_DELETE: | |
369 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
f7f73812 | 370 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); |
a36c61f9 KG |
371 | bfa_fcs_fabric_delete(fabric); |
372 | break; | |
373 | ||
374 | default: | |
375 | bfa_sm_fault(fabric->fcs, event); | |
376 | } | |
377 | } | |
378 | ||
379 | ||
380 | static void | |
381 | bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, | |
382 | enum bfa_fcs_fabric_event event) | |
383 | { | |
384 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
385 | bfa_trc(fabric->fcs, event); | |
386 | ||
387 | switch (event) { | |
388 | case BFA_FCS_FABRIC_SM_DELAYED: | |
389 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); | |
390 | bfa_fcs_fabric_login(fabric); | |
391 | break; | |
392 | ||
393 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
394 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
395 | bfa_timer_stop(&fabric->delay_timer); | |
396 | break; | |
397 | ||
398 | case BFA_FCS_FABRIC_SM_DELETE: | |
399 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
400 | bfa_timer_stop(&fabric->delay_timer); | |
401 | bfa_fcs_fabric_delete(fabric); | |
402 | break; | |
403 | ||
404 | default: | |
405 | bfa_sm_fault(fabric->fcs, event); | |
406 | } | |
407 | } | |
408 | ||
5fbe25c7 | 409 | /* |
a36c61f9 KG |
410 | * Authentication is in progress, awaiting authentication results. |
411 | */ | |
412 | static void | |
413 | bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, | |
414 | enum bfa_fcs_fabric_event event) | |
415 | { | |
416 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
417 | bfa_trc(fabric->fcs, event); | |
418 | ||
419 | switch (event) { | |
420 | case BFA_FCS_FABRIC_SM_AUTH_FAILED: | |
421 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); | |
f7f73812 | 422 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); |
a36c61f9 KG |
423 | break; |
424 | ||
425 | case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: | |
426 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); | |
427 | bfa_fcs_fabric_notify_online(fabric); | |
428 | break; | |
429 | ||
430 | case BFA_FCS_FABRIC_SM_PERF_EVFP: | |
431 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp); | |
432 | break; | |
433 | ||
434 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
435 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
f7f73812 | 436 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); |
a36c61f9 KG |
437 | break; |
438 | ||
439 | case BFA_FCS_FABRIC_SM_DELETE: | |
440 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
441 | bfa_fcs_fabric_delete(fabric); | |
442 | break; | |
443 | ||
444 | default: | |
445 | bfa_sm_fault(fabric->fcs, event); | |
446 | } | |
447 | } | |
448 | ||
5fbe25c7 | 449 | /* |
a36c61f9 KG |
450 | * Authentication failed |
451 | */ | |
f7f73812 | 452 | void |
a36c61f9 KG |
453 | bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, |
454 | enum bfa_fcs_fabric_event event) | |
455 | { | |
456 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
457 | bfa_trc(fabric->fcs, event); | |
458 | ||
459 | switch (event) { | |
460 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
461 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
462 | bfa_fcs_fabric_notify_offline(fabric); | |
463 | break; | |
464 | ||
465 | case BFA_FCS_FABRIC_SM_DELETE: | |
466 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
467 | bfa_fcs_fabric_delete(fabric); | |
468 | break; | |
469 | ||
470 | default: | |
471 | bfa_sm_fault(fabric->fcs, event); | |
472 | } | |
473 | } | |
474 | ||
5fbe25c7 | 475 | /* |
a36c61f9 KG |
476 | * Port is in loopback mode. |
477 | */ | |
f7f73812 | 478 | void |
a36c61f9 KG |
479 | bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, |
480 | enum bfa_fcs_fabric_event event) | |
481 | { | |
482 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
483 | bfa_trc(fabric->fcs, event); | |
484 | ||
485 | switch (event) { | |
486 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
487 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
488 | bfa_fcs_fabric_notify_offline(fabric); | |
489 | break; | |
490 | ||
491 | case BFA_FCS_FABRIC_SM_DELETE: | |
492 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
493 | bfa_fcs_fabric_delete(fabric); | |
494 | break; | |
495 | ||
496 | default: | |
497 | bfa_sm_fault(fabric->fcs, event); | |
498 | } | |
499 | } | |
500 | ||
5fbe25c7 | 501 | /* |
a36c61f9 KG |
502 | * There is no attached fabric - private loop or NPort-to-NPort topology. |
503 | */ | |
504 | static void | |
505 | bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, | |
506 | enum bfa_fcs_fabric_event event) | |
507 | { | |
508 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
509 | bfa_trc(fabric->fcs, event); | |
510 | ||
511 | switch (event) { | |
512 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
513 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
f7f73812 | 514 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); |
a36c61f9 KG |
515 | bfa_fcs_fabric_notify_offline(fabric); |
516 | break; | |
517 | ||
518 | case BFA_FCS_FABRIC_SM_DELETE: | |
519 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
520 | bfa_fcs_fabric_delete(fabric); | |
521 | break; | |
522 | ||
523 | case BFA_FCS_FABRIC_SM_NO_FABRIC: | |
524 | bfa_trc(fabric->fcs, fabric->bb_credit); | |
525 | bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, | |
be540a99 KG |
526 | fabric->bb_credit, |
527 | bfa_fcs_fabric_oper_bbscn(fabric)); | |
a36c61f9 KG |
528 | break; |
529 | ||
530 | default: | |
531 | bfa_sm_fault(fabric->fcs, event); | |
532 | } | |
533 | } | |
534 | ||
5fbe25c7 | 535 | /* |
a36c61f9 KG |
536 | * Fabric is online - normal operating state. |
537 | */ | |
f7f73812 | 538 | void |
a36c61f9 KG |
539 | bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, |
540 | enum bfa_fcs_fabric_event event) | |
541 | { | |
542 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
543 | bfa_trc(fabric->fcs, event); | |
544 | ||
545 | switch (event) { | |
546 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
547 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); | |
f7f73812 | 548 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); |
a36c61f9 KG |
549 | bfa_fcs_fabric_notify_offline(fabric); |
550 | break; | |
551 | ||
552 | case BFA_FCS_FABRIC_SM_DELETE: | |
553 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); | |
554 | bfa_fcs_fabric_delete(fabric); | |
555 | break; | |
556 | ||
557 | case BFA_FCS_FABRIC_SM_AUTH_FAILED: | |
558 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); | |
f7f73812 | 559 | bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); |
a36c61f9 KG |
560 | break; |
561 | ||
562 | case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: | |
563 | break; | |
564 | ||
565 | default: | |
566 | bfa_sm_fault(fabric->fcs, event); | |
567 | } | |
568 | } | |
569 | ||
5fbe25c7 | 570 | /* |
a36c61f9 KG |
571 | * Exchanging virtual fabric parameters. |
572 | */ | |
573 | static void | |
574 | bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, | |
575 | enum bfa_fcs_fabric_event event) | |
576 | { | |
577 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
578 | bfa_trc(fabric->fcs, event); | |
579 | ||
580 | switch (event) { | |
581 | case BFA_FCS_FABRIC_SM_CONT_OP: | |
582 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp_done); | |
583 | break; | |
584 | ||
585 | case BFA_FCS_FABRIC_SM_ISOLATE: | |
586 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_isolated); | |
587 | break; | |
588 | ||
589 | default: | |
590 | bfa_sm_fault(fabric->fcs, event); | |
591 | } | |
592 | } | |
593 | ||
5fbe25c7 | 594 | /* |
a36c61f9 KG |
595 | * EVFP exchange complete and VFT tagging is enabled. |
596 | */ | |
597 | static void | |
598 | bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, | |
599 | enum bfa_fcs_fabric_event event) | |
600 | { | |
601 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
602 | bfa_trc(fabric->fcs, event); | |
603 | } | |
604 | ||
5fbe25c7 | 605 | /* |
a36c61f9 KG |
606 | * Port is isolated after EVFP exchange due to VF_ID mismatch (N and F). |
607 | */ | |
608 | static void | |
609 | bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, | |
610 | enum bfa_fcs_fabric_event event) | |
611 | { | |
612 | struct bfad_s *bfad = (struct bfad_s *)fabric->fcs->bfad; | |
613 | char pwwn_ptr[BFA_STRING_32]; | |
614 | ||
615 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
616 | bfa_trc(fabric->fcs, event); | |
617 | wwn2str(pwwn_ptr, fabric->bport.port_cfg.pwwn); | |
618 | ||
88166242 | 619 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, |
a36c61f9 KG |
620 | "Port is isolated due to VF_ID mismatch. " |
621 | "PWWN: %s Port VF_ID: %04x switch port VF_ID: %04x.", | |
622 | pwwn_ptr, fabric->fcs->port_vfid, | |
623 | fabric->event_arg.swp_vfid); | |
624 | } | |
625 | ||
5fbe25c7 | 626 | /* |
a36c61f9 KG |
627 | * Fabric is being deleted, awaiting vport delete completions. |
628 | */ | |
629 | static void | |
630 | bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, | |
631 | enum bfa_fcs_fabric_event event) | |
7725ccfd | 632 | { |
a36c61f9 KG |
633 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); |
634 | bfa_trc(fabric->fcs, event); | |
635 | ||
636 | switch (event) { | |
637 | case BFA_FCS_FABRIC_SM_DELCOMP: | |
638 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); | |
f7f73812 | 639 | bfa_wc_down(&fabric->fcs->wc); |
a36c61f9 KG |
640 | break; |
641 | ||
642 | case BFA_FCS_FABRIC_SM_LINK_UP: | |
643 | break; | |
644 | ||
645 | case BFA_FCS_FABRIC_SM_LINK_DOWN: | |
646 | bfa_fcs_fabric_notify_offline(fabric); | |
647 | break; | |
648 | ||
649 | default: | |
650 | bfa_sm_fault(fabric->fcs, event); | |
651 | } | |
7725ccfd JH |
652 | } |
653 | ||
654 | ||
a36c61f9 | 655 | |
5fbe25c7 | 656 | /* |
a36c61f9 KG |
657 | * fcs_fabric_private fabric private functions |
658 | */ | |
659 | ||
660 | static void | |
661 | bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric) | |
662 | { | |
663 | struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg; | |
664 | ||
665 | port_cfg->roles = BFA_LPORT_ROLE_FCP_IM; | |
f7f73812 MZ |
666 | port_cfg->nwwn = fabric->fcs->bfa->ioc.attr->nwwn; |
667 | port_cfg->pwwn = fabric->fcs->bfa->ioc.attr->pwwn; | |
a36c61f9 KG |
668 | } |
669 | ||
5fbe25c7 | 670 | /* |
a36c61f9 KG |
671 | * Port Symbolic Name Creation for base port. |
672 | */ | |
7725ccfd | 673 | void |
a36c61f9 | 674 | bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric) |
7725ccfd | 675 | { |
a36c61f9 KG |
676 | struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg; |
677 | char model[BFA_ADAPTER_MODEL_NAME_LEN] = {0}; | |
678 | struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info; | |
679 | ||
680 | bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model); | |
681 | ||
682 | /* Model name/number */ | |
683 | strncpy((char *)&port_cfg->sym_name, model, | |
684 | BFA_FCS_PORT_SYMBNAME_MODEL_SZ); | |
685 | strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
686 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
687 | ||
688 | /* Driver Version */ | |
689 | strncat((char *)&port_cfg->sym_name, (char *)driver_info->version, | |
690 | BFA_FCS_PORT_SYMBNAME_VERSION_SZ); | |
691 | strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
692 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
693 | ||
694 | /* Host machine name */ | |
695 | strncat((char *)&port_cfg->sym_name, | |
696 | (char *)driver_info->host_machine_name, | |
697 | BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ); | |
698 | strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
699 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
700 | ||
701 | /* | |
702 | * Host OS Info : | |
703 | * If OS Patch Info is not there, do not truncate any bytes from the | |
704 | * OS name string and instead copy the entire OS info string (64 bytes). | |
705 | */ | |
706 | if (driver_info->host_os_patch[0] == '\0') { | |
707 | strncat((char *)&port_cfg->sym_name, | |
708 | (char *)driver_info->host_os_name, | |
709 | BFA_FCS_OS_STR_LEN); | |
710 | strncat((char *)&port_cfg->sym_name, | |
711 | BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
712 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
713 | } else { | |
714 | strncat((char *)&port_cfg->sym_name, | |
715 | (char *)driver_info->host_os_name, | |
716 | BFA_FCS_PORT_SYMBNAME_OSINFO_SZ); | |
717 | strncat((char *)&port_cfg->sym_name, | |
718 | BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
719 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
720 | ||
721 | /* Append host OS Patch Info */ | |
722 | strncat((char *)&port_cfg->sym_name, | |
723 | (char *)driver_info->host_os_patch, | |
724 | BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ); | |
725 | } | |
726 | ||
727 | /* null terminate */ | |
728 | port_cfg->sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0; | |
7725ccfd JH |
729 | } |
730 | ||
5fbe25c7 | 731 | /* |
a36c61f9 KG |
732 | * bfa lps login completion callback |
733 | */ | |
7725ccfd | 734 | void |
a36c61f9 | 735 | bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status) |
7725ccfd | 736 | { |
a36c61f9 KG |
737 | struct bfa_fcs_fabric_s *fabric = uarg; |
738 | ||
739 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
740 | bfa_trc(fabric->fcs, status); | |
741 | ||
742 | switch (status) { | |
743 | case BFA_STATUS_OK: | |
744 | fabric->stats.flogi_accepts++; | |
745 | break; | |
746 | ||
747 | case BFA_STATUS_INVALID_MAC: | |
748 | /* Only for CNA */ | |
749 | fabric->stats.flogi_acc_err++; | |
750 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); | |
751 | ||
752 | return; | |
753 | ||
754 | case BFA_STATUS_EPROTOCOL: | |
f7f73812 | 755 | switch (fabric->lps->ext_status) { |
a36c61f9 KG |
756 | case BFA_EPROTO_BAD_ACCEPT: |
757 | fabric->stats.flogi_acc_err++; | |
758 | break; | |
759 | ||
760 | case BFA_EPROTO_UNKNOWN_RSP: | |
761 | fabric->stats.flogi_unknown_rsp++; | |
762 | break; | |
763 | ||
764 | default: | |
765 | break; | |
766 | } | |
767 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); | |
768 | ||
769 | return; | |
770 | ||
771 | case BFA_STATUS_FABRIC_RJT: | |
772 | fabric->stats.flogi_rejects++; | |
be540a99 KG |
773 | if (fabric->lps->lsrjt_rsn == FC_LS_RJT_RSN_LOGICAL_ERROR && |
774 | fabric->lps->lsrjt_expl == FC_LS_RJT_EXP_NO_ADDL_INFO) | |
775 | fabric->fcs->bbscn_flogi_rjt = BFA_TRUE; | |
776 | ||
a36c61f9 KG |
777 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); |
778 | return; | |
779 | ||
780 | default: | |
781 | fabric->stats.flogi_rsp_err++; | |
782 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); | |
783 | return; | |
784 | } | |
785 | ||
f7f73812 | 786 | fabric->bb_credit = fabric->lps->pr_bbcred; |
a36c61f9 KG |
787 | bfa_trc(fabric->fcs, fabric->bb_credit); |
788 | ||
f7f73812 MZ |
789 | if (!(fabric->lps->brcd_switch)) |
790 | fabric->fabric_name = fabric->lps->pr_nwwn; | |
a36c61f9 KG |
791 | |
792 | /* | |
793 | * Check port type. It should be 1 = F-port. | |
794 | */ | |
f7f73812 MZ |
795 | if (fabric->lps->fport) { |
796 | fabric->bport.pid = fabric->lps->lp_pid; | |
797 | fabric->is_npiv = fabric->lps->npiv_en; | |
798 | fabric->is_auth = fabric->lps->auth_req; | |
a36c61f9 KG |
799 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_CONT_OP); |
800 | } else { | |
801 | /* | |
802 | * Nport-2-Nport direct attached | |
803 | */ | |
804 | fabric->bport.port_topo.pn2n.rem_port_wwn = | |
f7f73812 | 805 | fabric->lps->pr_pwwn; |
a36c61f9 KG |
806 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC); |
807 | } | |
808 | ||
809 | bfa_trc(fabric->fcs, fabric->bport.pid); | |
810 | bfa_trc(fabric->fcs, fabric->is_npiv); | |
811 | bfa_trc(fabric->fcs, fabric->is_auth); | |
812 | } | |
5fbe25c7 | 813 | /* |
a36c61f9 KG |
814 | * Allocate and send FLOGI. |
815 | */ | |
816 | static void | |
817 | bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric) | |
818 | { | |
819 | struct bfa_s *bfa = fabric->fcs->bfa; | |
820 | struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg; | |
be540a99 | 821 | u8 alpa = 0, bb_scn = 0; |
a36c61f9 KG |
822 | |
823 | if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) | |
824 | alpa = bfa_fcport_get_myalpa(bfa); | |
825 | ||
be540a99 KG |
826 | if (bfa_fcs_fabric_is_bbscn_enabled(fabric) && |
827 | (!fabric->fcs->bbscn_flogi_rjt)) | |
828 | bb_scn = BFA_FCS_PORT_DEF_BB_SCN; | |
829 | ||
a36c61f9 | 830 | bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_fcport_get_maxfrsize(bfa), |
be540a99 | 831 | pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd, bb_scn); |
a36c61f9 KG |
832 | |
833 | fabric->stats.flogi_sent++; | |
834 | } | |
835 | ||
836 | static void | |
837 | bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric) | |
838 | { | |
839 | struct bfa_fcs_vport_s *vport; | |
840 | struct list_head *qe, *qen; | |
841 | ||
842 | bfa_trc(fabric->fcs, fabric->fabric_name); | |
843 | ||
844 | bfa_fcs_fabric_set_opertype(fabric); | |
845 | fabric->stats.fabric_onlines++; | |
846 | ||
5fbe25c7 | 847 | /* |
a36c61f9 KG |
848 | * notify online event to base and then virtual ports |
849 | */ | |
850 | bfa_fcs_lport_online(&fabric->bport); | |
851 | ||
852 | list_for_each_safe(qe, qen, &fabric->vport_q) { | |
853 | vport = (struct bfa_fcs_vport_s *) qe; | |
854 | bfa_fcs_vport_online(vport); | |
855 | } | |
856 | } | |
857 | ||
858 | static void | |
859 | bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric) | |
860 | { | |
861 | struct bfa_fcs_vport_s *vport; | |
862 | struct list_head *qe, *qen; | |
863 | ||
864 | bfa_trc(fabric->fcs, fabric->fabric_name); | |
865 | fabric->stats.fabric_offlines++; | |
866 | ||
5fbe25c7 | 867 | /* |
a36c61f9 KG |
868 | * notify offline event first to vports and then base port. |
869 | */ | |
870 | list_for_each_safe(qe, qen, &fabric->vport_q) { | |
871 | vport = (struct bfa_fcs_vport_s *) qe; | |
872 | bfa_fcs_vport_offline(vport); | |
873 | } | |
874 | ||
875 | bfa_fcs_lport_offline(&fabric->bport); | |
876 | ||
877 | fabric->fabric_name = 0; | |
878 | fabric->fabric_ip_addr[0] = 0; | |
879 | } | |
880 | ||
881 | static void | |
882 | bfa_fcs_fabric_delay(void *cbarg) | |
883 | { | |
884 | struct bfa_fcs_fabric_s *fabric = cbarg; | |
885 | ||
886 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELAYED); | |
887 | } | |
888 | ||
be540a99 KG |
889 | /* |
890 | * Computes operating BB_SCN value | |
891 | */ | |
892 | static u8 | |
893 | bfa_fcs_fabric_oper_bbscn(struct bfa_fcs_fabric_s *fabric) | |
894 | { | |
895 | u8 pr_bbscn = fabric->lps->pr_bbscn; | |
896 | ||
897 | if (!(fabric->fcs->bbscn_enabled && pr_bbscn)) | |
898 | return 0; | |
899 | ||
900 | /* return max of local/remote bb_scn values */ | |
901 | return ((pr_bbscn > BFA_FCS_PORT_DEF_BB_SCN) ? | |
902 | pr_bbscn : BFA_FCS_PORT_DEF_BB_SCN); | |
903 | } | |
904 | ||
905 | /* | |
906 | * Check if BB_SCN can be enabled. | |
907 | */ | |
908 | static bfa_boolean_t | |
909 | bfa_fcs_fabric_is_bbscn_enabled(struct bfa_fcs_fabric_s *fabric) | |
910 | { | |
911 | if (bfa_ioc_get_fcmode(&fabric->fcs->bfa->ioc) && | |
912 | fabric->fcs->bbscn_enabled && | |
913 | !bfa_fcport_is_qos_enabled(fabric->fcs->bfa) && | |
914 | !bfa_fcport_is_trunk_enabled(fabric->fcs->bfa)) | |
915 | return BFA_TRUE; | |
916 | else | |
917 | return BFA_FALSE; | |
918 | } | |
919 | ||
5fbe25c7 | 920 | /* |
a36c61f9 KG |
921 | * Delete all vports and wait for vport delete completions. |
922 | */ | |
923 | static void | |
924 | bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric) | |
925 | { | |
926 | struct bfa_fcs_vport_s *vport; | |
927 | struct list_head *qe, *qen; | |
928 | ||
929 | list_for_each_safe(qe, qen, &fabric->vport_q) { | |
930 | vport = (struct bfa_fcs_vport_s *) qe; | |
931 | bfa_fcs_vport_fcs_delete(vport); | |
932 | } | |
933 | ||
934 | bfa_fcs_lport_delete(&fabric->bport); | |
935 | bfa_wc_wait(&fabric->wc); | |
7725ccfd JH |
936 | } |
937 | ||
a36c61f9 KG |
938 | static void |
939 | bfa_fcs_fabric_delete_comp(void *cbarg) | |
940 | { | |
941 | struct bfa_fcs_fabric_s *fabric = cbarg; | |
942 | ||
943 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELCOMP); | |
944 | } | |
7725ccfd | 945 | |
5fbe25c7 | 946 | /* |
a36c61f9 KG |
947 | * fcs_fabric_public fabric public functions |
948 | */ | |
949 | ||
5fbe25c7 | 950 | /* |
a36c61f9 KG |
951 | * Attach time initialization. |
952 | */ | |
953 | void | |
954 | bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs) | |
955 | { | |
956 | struct bfa_fcs_fabric_s *fabric; | |
957 | ||
958 | fabric = &fcs->fabric; | |
6a18b167 | 959 | memset(fabric, 0, sizeof(struct bfa_fcs_fabric_s)); |
a36c61f9 | 960 | |
5fbe25c7 | 961 | /* |
a36c61f9 KG |
962 | * Initialize base fabric. |
963 | */ | |
964 | fabric->fcs = fcs; | |
965 | INIT_LIST_HEAD(&fabric->vport_q); | |
966 | INIT_LIST_HEAD(&fabric->vf_q); | |
967 | fabric->lps = bfa_lps_alloc(fcs->bfa); | |
d4b671c5 | 968 | WARN_ON(!fabric->lps); |
a36c61f9 | 969 | |
5fbe25c7 | 970 | /* |
a36c61f9 KG |
971 | * Initialize fabric delete completion handler. Fabric deletion is |
972 | * complete when the last vport delete is complete. | |
973 | */ | |
974 | bfa_wc_init(&fabric->wc, bfa_fcs_fabric_delete_comp, fabric); | |
975 | bfa_wc_up(&fabric->wc); /* For the base port */ | |
976 | ||
977 | bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); | |
978 | bfa_fcs_lport_attach(&fabric->bport, fabric->fcs, FC_VF_ID_NULL, NULL); | |
979 | } | |
980 | ||
981 | void | |
982 | bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs) | |
983 | { | |
984 | bfa_sm_send_event(&fcs->fabric, BFA_FCS_FABRIC_SM_CREATE); | |
985 | bfa_trc(fcs, 0); | |
986 | } | |
987 | ||
5fbe25c7 | 988 | /* |
a36c61f9 KG |
989 | * Module cleanup |
990 | */ | |
991 | void | |
992 | bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs) | |
993 | { | |
994 | struct bfa_fcs_fabric_s *fabric; | |
995 | ||
996 | bfa_trc(fcs, 0); | |
997 | ||
5fbe25c7 | 998 | /* |
a36c61f9 KG |
999 | * Cleanup base fabric. |
1000 | */ | |
1001 | fabric = &fcs->fabric; | |
1002 | bfa_lps_delete(fabric->lps); | |
1003 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELETE); | |
1004 | } | |
1005 | ||
5fbe25c7 | 1006 | /* |
a36c61f9 KG |
1007 | * Fabric module start -- kick starts FCS actions |
1008 | */ | |
1009 | void | |
1010 | bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs) | |
1011 | { | |
1012 | struct bfa_fcs_fabric_s *fabric; | |
1013 | ||
1014 | bfa_trc(fcs, 0); | |
1015 | fabric = &fcs->fabric; | |
1016 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_START); | |
1017 | } | |
1018 | ||
a36c61f9 | 1019 | |
5fbe25c7 | 1020 | /* |
a36c61f9 KG |
1021 | * Link up notification from BFA physical port module. |
1022 | */ | |
1023 | void | |
1024 | bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric) | |
1025 | { | |
1026 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
1027 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_UP); | |
1028 | } | |
1029 | ||
5fbe25c7 | 1030 | /* |
a36c61f9 KG |
1031 | * Link down notification from BFA physical port module. |
1032 | */ | |
1033 | void | |
1034 | bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric) | |
1035 | { | |
1036 | bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); | |
be540a99 | 1037 | fabric->fcs->bbscn_flogi_rjt = BFA_FALSE; |
a36c61f9 KG |
1038 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_DOWN); |
1039 | } | |
1040 | ||
5fbe25c7 | 1041 | /* |
a36c61f9 KG |
1042 | * A child vport is being created in the fabric. |
1043 | * | |
1044 | * Call from vport module at vport creation. A list of base port and vports | |
1045 | * belonging to a fabric is maintained to propagate link events. | |
1046 | * | |
1047 | * param[in] fabric - Fabric instance. This can be a base fabric or vf. | |
1048 | * param[in] vport - Vport being created. | |
1049 | * | |
1050 | * @return None (always succeeds) | |
1051 | */ | |
1052 | void | |
1053 | bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, | |
1054 | struct bfa_fcs_vport_s *vport) | |
1055 | { | |
5fbe25c7 | 1056 | /* |
a36c61f9 KG |
1057 | * - add vport to fabric's vport_q |
1058 | */ | |
1059 | bfa_trc(fabric->fcs, fabric->vf_id); | |
1060 | ||
1061 | list_add_tail(&vport->qe, &fabric->vport_q); | |
1062 | fabric->num_vports++; | |
1063 | bfa_wc_up(&fabric->wc); | |
1064 | } | |
1065 | ||
5fbe25c7 | 1066 | /* |
a36c61f9 KG |
1067 | * A child vport is being deleted from fabric. |
1068 | * | |
1069 | * Vport is being deleted. | |
1070 | */ | |
1071 | void | |
1072 | bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, | |
1073 | struct bfa_fcs_vport_s *vport) | |
1074 | { | |
1075 | list_del(&vport->qe); | |
1076 | fabric->num_vports--; | |
1077 | bfa_wc_down(&fabric->wc); | |
1078 | } | |
1079 | ||
a36c61f9 | 1080 | |
5fbe25c7 | 1081 | /* |
25985edc | 1082 | * Lookup for a vport within a fabric given its pwwn |
a36c61f9 KG |
1083 | */ |
1084 | struct bfa_fcs_vport_s * | |
1085 | bfa_fcs_fabric_vport_lookup(struct bfa_fcs_fabric_s *fabric, wwn_t pwwn) | |
1086 | { | |
1087 | struct bfa_fcs_vport_s *vport; | |
1088 | struct list_head *qe; | |
1089 | ||
1090 | list_for_each(qe, &fabric->vport_q) { | |
1091 | vport = (struct bfa_fcs_vport_s *) qe; | |
1092 | if (bfa_fcs_lport_get_pwwn(&vport->lport) == pwwn) | |
1093 | return vport; | |
1094 | } | |
1095 | ||
1096 | return NULL; | |
1097 | } | |
1098 | ||
a36c61f9 KG |
1099 | |
1100 | /* | |
1101 | * Get OUI of the attached switch. | |
1102 | * | |
1103 | * Note : Use of this function should be avoided as much as possible. | |
1104 | * This function should be used only if there is any requirement | |
1105 | * to check for FOS version below 6.3. | |
1106 | * To check if the attached fabric is a brocade fabric, use | |
1107 | * bfa_lps_is_brcd_fabric() which works for FOS versions 6.3 | |
1108 | * or above only. | |
1109 | */ | |
1110 | ||
1111 | u16 | |
1112 | bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric) | |
1113 | { | |
1114 | wwn_t fab_nwwn; | |
1115 | u8 *tmp; | |
1116 | u16 oui; | |
1117 | ||
f7f73812 | 1118 | fab_nwwn = fabric->lps->pr_nwwn; |
a36c61f9 KG |
1119 | |
1120 | tmp = (u8 *)&fab_nwwn; | |
1121 | oui = (tmp[3] << 8) | tmp[4]; | |
1122 | ||
1123 | return oui; | |
1124 | } | |
5fbe25c7 | 1125 | /* |
a36c61f9 KG |
1126 | * Unsolicited frame receive handling. |
1127 | */ | |
1128 | void | |
1129 | bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, | |
1130 | u16 len) | |
1131 | { | |
1132 | u32 pid = fchs->d_id; | |
1133 | struct bfa_fcs_vport_s *vport; | |
1134 | struct list_head *qe; | |
1135 | struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); | |
1136 | struct fc_logi_s *flogi = (struct fc_logi_s *) els_cmd; | |
1137 | ||
1138 | bfa_trc(fabric->fcs, len); | |
1139 | bfa_trc(fabric->fcs, pid); | |
1140 | ||
5fbe25c7 | 1141 | /* |
a36c61f9 KG |
1142 | * Look for our own FLOGI frames being looped back. This means an |
1143 | * external loopback cable is in place. Our own FLOGI frames are | |
1144 | * sometimes looped back when switch port gets temporarily bypassed. | |
1145 | */ | |
f16a1750 | 1146 | if ((pid == bfa_ntoh3b(FC_FABRIC_PORT)) && |
a36c61f9 KG |
1147 | (els_cmd->els_code == FC_ELS_FLOGI) && |
1148 | (flogi->port_name == bfa_fcs_lport_get_pwwn(&fabric->bport))) { | |
1149 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LOOPBACK); | |
1150 | return; | |
1151 | } | |
1152 | ||
5fbe25c7 | 1153 | /* |
a36c61f9 KG |
1154 | * FLOGI/EVFP exchanges should be consumed by base fabric. |
1155 | */ | |
f16a1750 | 1156 | if (fchs->d_id == bfa_hton3b(FC_FABRIC_PORT)) { |
a36c61f9 KG |
1157 | bfa_trc(fabric->fcs, pid); |
1158 | bfa_fcs_fabric_process_uf(fabric, fchs, len); | |
1159 | return; | |
1160 | } | |
1161 | ||
1162 | if (fabric->bport.pid == pid) { | |
5fbe25c7 | 1163 | /* |
a36c61f9 KG |
1164 | * All authentication frames should be routed to auth |
1165 | */ | |
1166 | bfa_trc(fabric->fcs, els_cmd->els_code); | |
1167 | if (els_cmd->els_code == FC_ELS_AUTH) { | |
1168 | bfa_trc(fabric->fcs, els_cmd->els_code); | |
1169 | return; | |
1170 | } | |
1171 | ||
1172 | bfa_trc(fabric->fcs, *(u8 *) ((u8 *) fchs)); | |
1173 | bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len); | |
1174 | return; | |
1175 | } | |
1176 | ||
5fbe25c7 | 1177 | /* |
a36c61f9 KG |
1178 | * look for a matching local port ID |
1179 | */ | |
1180 | list_for_each(qe, &fabric->vport_q) { | |
1181 | vport = (struct bfa_fcs_vport_s *) qe; | |
1182 | if (vport->lport.pid == pid) { | |
1183 | bfa_fcs_lport_uf_recv(&vport->lport, fchs, len); | |
1184 | return; | |
1185 | } | |
1186 | } | |
1187 | bfa_trc(fabric->fcs, els_cmd->els_code); | |
1188 | bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len); | |
1189 | } | |
1190 | ||
5fbe25c7 | 1191 | /* |
a36c61f9 KG |
1192 | * Unsolicited frames to be processed by fabric. |
1193 | */ | |
1194 | static void | |
1195 | bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, | |
1196 | u16 len) | |
1197 | { | |
1198 | struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); | |
1199 | ||
1200 | bfa_trc(fabric->fcs, els_cmd->els_code); | |
1201 | ||
1202 | switch (els_cmd->els_code) { | |
1203 | case FC_ELS_FLOGI: | |
1204 | bfa_fcs_fabric_process_flogi(fabric, fchs, len); | |
1205 | break; | |
1206 | ||
1207 | default: | |
1208 | /* | |
1209 | * need to generate a LS_RJT | |
1210 | */ | |
1211 | break; | |
1212 | } | |
1213 | } | |
1214 | ||
5fbe25c7 | 1215 | /* |
a36c61f9 KG |
1216 | * Process incoming FLOGI |
1217 | */ | |
1218 | static void | |
1219 | bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, | |
1220 | struct fchs_s *fchs, u16 len) | |
1221 | { | |
1222 | struct fc_logi_s *flogi = (struct fc_logi_s *) (fchs + 1); | |
1223 | struct bfa_fcs_lport_s *bport = &fabric->bport; | |
1224 | ||
1225 | bfa_trc(fabric->fcs, fchs->s_id); | |
1226 | ||
1227 | fabric->stats.flogi_rcvd++; | |
1228 | /* | |
1229 | * Check port type. It should be 0 = n-port. | |
1230 | */ | |
1231 | if (flogi->csp.port_type) { | |
1232 | /* | |
1233 | * @todo: may need to send a LS_RJT | |
1234 | */ | |
1235 | bfa_trc(fabric->fcs, flogi->port_name); | |
1236 | fabric->stats.flogi_rejected++; | |
1237 | return; | |
1238 | } | |
1239 | ||
ba816ea8 | 1240 | fabric->bb_credit = be16_to_cpu(flogi->csp.bbcred); |
be540a99 | 1241 | fabric->lps->pr_bbscn = (be16_to_cpu(flogi->csp.rxsz) >> 12); |
a36c61f9 KG |
1242 | bport->port_topo.pn2n.rem_port_wwn = flogi->port_name; |
1243 | bport->port_topo.pn2n.reply_oxid = fchs->ox_id; | |
1244 | ||
1245 | /* | |
1246 | * Send a Flogi Acc | |
1247 | */ | |
1248 | bfa_fcs_fabric_send_flogi_acc(fabric); | |
1249 | bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC); | |
1250 | } | |
1251 | ||
1252 | static void | |
1253 | bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric) | |
1254 | { | |
1255 | struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg; | |
1256 | struct bfa_fcs_lport_n2n_s *n2n_port = &fabric->bport.port_topo.pn2n; | |
1257 | struct bfa_s *bfa = fabric->fcs->bfa; | |
1258 | struct bfa_fcxp_s *fcxp; | |
1259 | u16 reqlen; | |
1260 | struct fchs_s fchs; | |
1261 | ||
1262 | fcxp = bfa_fcs_fcxp_alloc(fabric->fcs); | |
5fbe25c7 | 1263 | /* |
a36c61f9 KG |
1264 | * Do not expect this failure -- expect remote node to retry |
1265 | */ | |
1266 | if (!fcxp) | |
1267 | return; | |
1268 | ||
1269 | reqlen = fc_flogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
f16a1750 | 1270 | bfa_hton3b(FC_FABRIC_PORT), |
a36c61f9 KG |
1271 | n2n_port->reply_oxid, pcfg->pwwn, |
1272 | pcfg->nwwn, | |
1273 | bfa_fcport_get_maxfrsize(bfa), | |
be540a99 KG |
1274 | bfa_fcport_get_rx_bbcredit(bfa), |
1275 | bfa_fcs_fabric_oper_bbscn(fabric)); | |
a36c61f9 | 1276 | |
f7f73812 | 1277 | bfa_fcxp_send(fcxp, NULL, fabric->vf_id, fabric->lps->lp_tag, |
a36c61f9 KG |
1278 | BFA_FALSE, FC_CLASS_3, |
1279 | reqlen, &fchs, bfa_fcs_fabric_flogiacc_comp, fabric, | |
1280 | FC_MAX_PDUSZ, 0); | |
1281 | } | |
1282 | ||
5fbe25c7 | 1283 | /* |
a36c61f9 KG |
1284 | * Flogi Acc completion callback. |
1285 | */ | |
1286 | static void | |
1287 | bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1288 | bfa_status_t status, u32 rsp_len, | |
1289 | u32 resid_len, struct fchs_s *rspfchs) | |
1290 | { | |
1291 | struct bfa_fcs_fabric_s *fabric = cbarg; | |
1292 | ||
1293 | bfa_trc(fabric->fcs, status); | |
1294 | } | |
1295 | ||
1296 | /* | |
1297 | * | |
1298 | * @param[in] fabric - fabric | |
1299 | * @param[in] wwn_t - new fabric name | |
1300 | * | |
1301 | * @return - none | |
1302 | */ | |
1303 | void | |
1304 | bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, | |
1305 | wwn_t fabric_name) | |
1306 | { | |
1307 | struct bfad_s *bfad = (struct bfad_s *)fabric->fcs->bfad; | |
1308 | char pwwn_ptr[BFA_STRING_32]; | |
1309 | char fwwn_ptr[BFA_STRING_32]; | |
1310 | ||
1311 | bfa_trc(fabric->fcs, fabric_name); | |
1312 | ||
1313 | if (fabric->fabric_name == 0) { | |
1314 | /* | |
1315 | * With BRCD switches, we don't get Fabric Name in FLOGI. | |
1316 | * Don't generate a fabric name change event in this case. | |
1317 | */ | |
1318 | fabric->fabric_name = fabric_name; | |
1319 | } else { | |
1320 | fabric->fabric_name = fabric_name; | |
1321 | wwn2str(pwwn_ptr, bfa_fcs_lport_get_pwwn(&fabric->bport)); | |
1322 | wwn2str(fwwn_ptr, | |
1323 | bfa_fcs_lport_get_fabric_name(&fabric->bport)); | |
88166242 | 1324 | BFA_LOG(KERN_WARNING, bfad, bfa_log_level, |
a36c61f9 KG |
1325 | "Base port WWN = %s Fabric WWN = %s\n", |
1326 | pwwn_ptr, fwwn_ptr); | |
1327 | } | |
1328 | } | |
1329 | ||
5fbe25c7 | 1330 | /* |
a36c61f9 KG |
1331 | * Returns FCS vf structure for a given vf_id. |
1332 | * | |
1333 | * param[in] vf_id - VF_ID | |
1334 | * | |
1335 | * return | |
1336 | * If lookup succeeds, retuns fcs vf object, otherwise returns NULL | |
1337 | */ | |
1338 | bfa_fcs_vf_t * | |
1339 | bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id) | |
1340 | { | |
1341 | bfa_trc(fcs, vf_id); | |
1342 | if (vf_id == FC_VF_ID_NULL) | |
1343 | return &fcs->fabric; | |
1344 | ||
1345 | return NULL; | |
1346 | } | |
1347 | ||
5fbe25c7 | 1348 | /* |
a36c61f9 KG |
1349 | * BFA FCS PPORT ( physical port) |
1350 | */ | |
1351 | static void | |
1352 | bfa_fcs_port_event_handler(void *cbarg, enum bfa_port_linkstate event) | |
1353 | { | |
1354 | struct bfa_fcs_s *fcs = cbarg; | |
1355 | ||
1356 | bfa_trc(fcs, event); | |
1357 | ||
1358 | switch (event) { | |
1359 | case BFA_PORT_LINKUP: | |
1360 | bfa_fcs_fabric_link_up(&fcs->fabric); | |
1361 | break; | |
1362 | ||
1363 | case BFA_PORT_LINKDOWN: | |
1364 | bfa_fcs_fabric_link_down(&fcs->fabric); | |
1365 | break; | |
1366 | ||
1367 | default: | |
d4b671c5 | 1368 | WARN_ON(1); |
a36c61f9 KG |
1369 | } |
1370 | } | |
1371 | ||
1372 | void | |
1373 | bfa_fcs_port_attach(struct bfa_fcs_s *fcs) | |
1374 | { | |
1375 | bfa_fcport_event_register(fcs->bfa, bfa_fcs_port_event_handler, fcs); | |
1376 | } | |
1377 | ||
5fbe25c7 | 1378 | /* |
a36c61f9 KG |
1379 | * BFA FCS UF ( Unsolicited Frames) |
1380 | */ | |
1381 | ||
5fbe25c7 | 1382 | /* |
a36c61f9 KG |
1383 | * BFA callback for unsolicited frame receive handler. |
1384 | * | |
1385 | * @param[in] cbarg callback arg for receive handler | |
1386 | * @param[in] uf unsolicited frame descriptor | |
1387 | * | |
1388 | * @return None | |
1389 | */ | |
1390 | static void | |
1391 | bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf) | |
1392 | { | |
1393 | struct bfa_fcs_s *fcs = (struct bfa_fcs_s *) cbarg; | |
1394 | struct fchs_s *fchs = bfa_uf_get_frmbuf(uf); | |
1395 | u16 len = bfa_uf_get_frmlen(uf); | |
1396 | struct fc_vft_s *vft; | |
1397 | struct bfa_fcs_fabric_s *fabric; | |
1398 | ||
5fbe25c7 | 1399 | /* |
a36c61f9 KG |
1400 | * check for VFT header |
1401 | */ | |
1402 | if (fchs->routing == FC_RTG_EXT_HDR && | |
1403 | fchs->cat_info == FC_CAT_VFT_HDR) { | |
1404 | bfa_stats(fcs, uf.tagged); | |
1405 | vft = bfa_uf_get_frmbuf(uf); | |
1406 | if (fcs->port_vfid == vft->vf_id) | |
1407 | fabric = &fcs->fabric; | |
1408 | else | |
1409 | fabric = bfa_fcs_vf_lookup(fcs, (u16) vft->vf_id); | |
1410 | ||
5fbe25c7 | 1411 | /* |
a36c61f9 KG |
1412 | * drop frame if vfid is unknown |
1413 | */ | |
1414 | if (!fabric) { | |
d4b671c5 | 1415 | WARN_ON(1); |
a36c61f9 KG |
1416 | bfa_stats(fcs, uf.vfid_unknown); |
1417 | bfa_uf_free(uf); | |
1418 | return; | |
1419 | } | |
1420 | ||
5fbe25c7 | 1421 | /* |
a36c61f9 KG |
1422 | * skip vft header |
1423 | */ | |
1424 | fchs = (struct fchs_s *) (vft + 1); | |
1425 | len -= sizeof(struct fc_vft_s); | |
1426 | ||
1427 | bfa_trc(fcs, vft->vf_id); | |
1428 | } else { | |
1429 | bfa_stats(fcs, uf.untagged); | |
1430 | fabric = &fcs->fabric; | |
1431 | } | |
1432 | ||
1433 | bfa_trc(fcs, ((u32 *) fchs)[0]); | |
1434 | bfa_trc(fcs, ((u32 *) fchs)[1]); | |
1435 | bfa_trc(fcs, ((u32 *) fchs)[2]); | |
1436 | bfa_trc(fcs, ((u32 *) fchs)[3]); | |
1437 | bfa_trc(fcs, ((u32 *) fchs)[4]); | |
1438 | bfa_trc(fcs, ((u32 *) fchs)[5]); | |
1439 | bfa_trc(fcs, len); | |
1440 | ||
1441 | bfa_fcs_fabric_uf_recv(fabric, fchs, len); | |
1442 | bfa_uf_free(uf); | |
1443 | } | |
1444 | ||
1445 | void | |
1446 | bfa_fcs_uf_attach(struct bfa_fcs_s *fcs) | |
1447 | { | |
1448 | bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs); | |
1449 | } |