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7725ccfd JH |
1 | /* |
2 | * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. | |
3 | * All rights reserved | |
4 | * www.brocade.com | |
5 | * | |
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
10 | * published by the Free Software Foundation | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | ||
18 | /** | |
19 | * rport.c Remote port implementation. | |
20 | */ | |
21 | ||
22 | #include <bfa.h> | |
23 | #include <bfa_svc.h> | |
24 | #include "fcbuild.h" | |
25 | #include "fcs_vport.h" | |
26 | #include "fcs_lport.h" | |
27 | #include "fcs_rport.h" | |
28 | #include "fcs_fcpim.h" | |
29 | #include "fcs_fcptm.h" | |
30 | #include "fcs_trcmod.h" | |
31 | #include "fcs_fcxp.h" | |
32 | #include "fcs.h" | |
33 | #include <fcb/bfa_fcb_rport.h> | |
34 | #include <aen/bfa_aen_rport.h> | |
35 | ||
36 | BFA_TRC_FILE(FCS, RPORT); | |
37 | ||
38 | #define BFA_FCS_RPORT_MAX_RETRIES (5) | |
39 | ||
40 | /* In millisecs */ | |
41 | static u32 bfa_fcs_rport_del_timeout = | |
42 | BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; | |
43 | ||
44 | /* | |
45 | * forward declarations | |
46 | */ | |
47 | static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, | |
48 | wwn_t pwwn, u32 rpid); | |
49 | static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); | |
50 | static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); | |
51 | static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport); | |
52 | static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport); | |
53 | static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, | |
54 | struct fc_logi_s *plogi); | |
55 | static void bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport); | |
56 | static void bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport); | |
57 | static void bfa_fcs_rport_timeout(void *arg); | |
58 | static void bfa_fcs_rport_send_plogi(void *rport_cbarg, | |
59 | struct bfa_fcxp_s *fcxp_alloced); | |
60 | static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, | |
61 | struct bfa_fcxp_s *fcxp_alloced); | |
62 | static void bfa_fcs_rport_plogi_response(void *fcsarg, | |
63 | struct bfa_fcxp_s *fcxp, | |
64 | void *cbarg, | |
65 | bfa_status_t req_status, | |
66 | u32 rsp_len, | |
67 | u32 resid_len, | |
68 | struct fchs_s *rsp_fchs); | |
69 | static void bfa_fcs_rport_send_adisc(void *rport_cbarg, | |
70 | struct bfa_fcxp_s *fcxp_alloced); | |
71 | static void bfa_fcs_rport_adisc_response(void *fcsarg, | |
72 | struct bfa_fcxp_s *fcxp, | |
73 | void *cbarg, | |
74 | bfa_status_t req_status, | |
75 | u32 rsp_len, | |
76 | u32 resid_len, | |
77 | struct fchs_s *rsp_fchs); | |
78 | static void bfa_fcs_rport_send_gidpn(void *rport_cbarg, | |
79 | struct bfa_fcxp_s *fcxp_alloced); | |
80 | static void bfa_fcs_rport_gidpn_response(void *fcsarg, | |
81 | struct bfa_fcxp_s *fcxp, | |
82 | void *cbarg, | |
83 | bfa_status_t req_status, | |
84 | u32 rsp_len, | |
85 | u32 resid_len, | |
86 | struct fchs_s *rsp_fchs); | |
87 | static void bfa_fcs_rport_send_logo(void *rport_cbarg, | |
88 | struct bfa_fcxp_s *fcxp_alloced); | |
89 | static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); | |
90 | static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, | |
91 | struct fchs_s *rx_fchs, u16 len); | |
92 | static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, | |
93 | struct fchs_s *rx_fchs, u8 reason_code, | |
94 | u8 reason_code_expl); | |
95 | static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, | |
96 | struct fchs_s *rx_fchs, u16 len); | |
97 | /** | |
98 | * fcs_rport_sm FCS rport state machine events | |
99 | */ | |
100 | ||
101 | enum rport_event { | |
102 | RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ | |
103 | RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ | |
104 | RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ | |
105 | RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ | |
106 | RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ | |
107 | RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ | |
108 | RPSM_EVENT_DELETE = 7, /* RPORT delete request */ | |
109 | RPSM_EVENT_SCN = 8, /* state change notification */ | |
110 | RPSM_EVENT_ACCEPTED = 9,/* Good response from remote device */ | |
111 | RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ | |
112 | RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ | |
113 | RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ | |
114 | RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ | |
115 | RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ | |
116 | RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ | |
117 | RPSM_EVENT_ADDRESS_DISC = 16 /* Need to Discover rport's PID */ | |
118 | }; | |
119 | ||
120 | static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, | |
121 | enum rport_event event); | |
122 | static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, | |
123 | enum rport_event event); | |
124 | static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, | |
125 | enum rport_event event); | |
126 | static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, | |
127 | enum rport_event event); | |
128 | static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, | |
129 | enum rport_event event); | |
130 | static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, | |
131 | enum rport_event event); | |
132 | static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, | |
133 | enum rport_event event); | |
134 | static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, | |
135 | enum rport_event event); | |
136 | static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, | |
137 | enum rport_event event); | |
138 | static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, | |
139 | enum rport_event event); | |
140 | static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, | |
141 | enum rport_event event); | |
142 | static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, | |
143 | enum rport_event event); | |
144 | static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, | |
145 | enum rport_event event); | |
146 | static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, | |
147 | enum rport_event event); | |
148 | static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, | |
149 | enum rport_event event); | |
150 | static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, | |
151 | enum rport_event event); | |
152 | static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, | |
153 | enum rport_event event); | |
154 | static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, | |
155 | enum rport_event event); | |
156 | static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, | |
157 | enum rport_event event); | |
158 | static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, | |
159 | enum rport_event event); | |
160 | static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, | |
161 | enum rport_event event); | |
162 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
163 | enum rport_event event); | |
164 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
165 | enum rport_event event); | |
166 | ||
167 | static struct bfa_sm_table_s rport_sm_table[] = { | |
168 | {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, | |
169 | {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, | |
170 | {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, | |
171 | {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, | |
172 | {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, | |
173 | {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, | |
174 | {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, | |
175 | {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, | |
176 | {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, | |
177 | {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, | |
178 | {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, | |
179 | {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, | |
180 | {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, | |
181 | {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, | |
182 | {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, | |
183 | {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, | |
184 | {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, | |
185 | {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, | |
186 | {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, | |
187 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, | |
188 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, | |
189 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, | |
190 | }; | |
191 | ||
192 | /** | |
193 | * Beginning state. | |
194 | */ | |
195 | static void | |
196 | bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
197 | { | |
198 | bfa_trc(rport->fcs, rport->pwwn); | |
199 | bfa_trc(rport->fcs, rport->pid); | |
200 | bfa_trc(rport->fcs, event); | |
201 | ||
202 | switch (event) { | |
203 | case RPSM_EVENT_PLOGI_SEND: | |
204 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
205 | rport->plogi_retries = 0; | |
206 | bfa_fcs_rport_send_plogi(rport, NULL); | |
207 | break; | |
208 | ||
209 | case RPSM_EVENT_PLOGI_RCVD: | |
210 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
211 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
212 | break; | |
213 | ||
214 | case RPSM_EVENT_PLOGI_COMP: | |
215 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
216 | bfa_fcs_rport_hal_online(rport); | |
217 | break; | |
218 | ||
219 | case RPSM_EVENT_ADDRESS_CHANGE: | |
220 | case RPSM_EVENT_ADDRESS_DISC: | |
221 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
222 | rport->ns_retries = 0; | |
223 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
224 | break; | |
225 | ||
226 | default: | |
227 | bfa_assert(0); | |
228 | } | |
229 | } | |
230 | ||
231 | /** | |
232 | * PLOGI is being sent. | |
233 | */ | |
234 | static void | |
235 | bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, | |
236 | enum rport_event event) | |
237 | { | |
238 | bfa_trc(rport->fcs, rport->pwwn); | |
239 | bfa_trc(rport->fcs, rport->pid); | |
240 | bfa_trc(rport->fcs, event); | |
241 | ||
242 | switch (event) { | |
243 | case RPSM_EVENT_FCXP_SENT: | |
244 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); | |
245 | break; | |
246 | ||
247 | case RPSM_EVENT_DELETE: | |
248 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
249 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
250 | bfa_fcs_rport_free(rport); | |
251 | break; | |
252 | ||
253 | case RPSM_EVENT_PLOGI_RCVD: | |
254 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
255 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
256 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
257 | break; | |
258 | ||
259 | case RPSM_EVENT_ADDRESS_CHANGE: | |
260 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
261 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
262 | rport->ns_retries = 0; | |
263 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
264 | break; | |
265 | ||
266 | case RPSM_EVENT_LOGO_IMP: | |
267 | rport->pid = 0; | |
268 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
269 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
270 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
271 | bfa_fcs_rport_timeout, rport, | |
272 | bfa_fcs_rport_del_timeout); | |
273 | break; | |
274 | ||
275 | case RPSM_EVENT_SCN: | |
276 | break; | |
277 | ||
278 | default: | |
279 | bfa_assert(0); | |
280 | } | |
281 | } | |
282 | ||
283 | /** | |
284 | * PLOGI is being sent. | |
285 | */ | |
286 | static void | |
287 | bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, | |
288 | enum rport_event event) | |
289 | { | |
290 | bfa_trc(rport->fcs, rport->pwwn); | |
291 | bfa_trc(rport->fcs, rport->pid); | |
292 | bfa_trc(rport->fcs, event); | |
293 | ||
294 | switch (event) { | |
295 | case RPSM_EVENT_FCXP_SENT: | |
296 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
297 | bfa_fcs_rport_hal_online(rport); | |
298 | break; | |
299 | ||
300 | case RPSM_EVENT_DELETE: | |
301 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
302 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
303 | bfa_fcs_rport_free(rport); | |
304 | break; | |
305 | ||
306 | case RPSM_EVENT_SCN: | |
307 | /** | |
308 | * Ignore, SCN is possibly online notification. | |
309 | */ | |
310 | break; | |
311 | ||
312 | case RPSM_EVENT_ADDRESS_CHANGE: | |
313 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
314 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
315 | rport->ns_retries = 0; | |
316 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
317 | break; | |
318 | ||
319 | case RPSM_EVENT_LOGO_IMP: | |
320 | rport->pid = 0; | |
321 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
322 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
323 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
324 | bfa_fcs_rport_timeout, rport, | |
325 | bfa_fcs_rport_del_timeout); | |
326 | break; | |
327 | ||
328 | case RPSM_EVENT_HCB_OFFLINE: | |
329 | /** | |
330 | * Ignore BFA callback, on a PLOGI receive we call bfa offline. | |
331 | */ | |
332 | break; | |
333 | ||
334 | default: | |
335 | bfa_assert(0); | |
336 | } | |
337 | } | |
338 | ||
339 | /** | |
340 | * PLOGI is sent. | |
341 | */ | |
342 | static void | |
343 | bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, | |
344 | enum rport_event event) | |
345 | { | |
346 | bfa_trc(rport->fcs, rport->pwwn); | |
347 | bfa_trc(rport->fcs, rport->pid); | |
348 | bfa_trc(rport->fcs, event); | |
349 | ||
350 | switch (event) { | |
351 | case RPSM_EVENT_SCN: | |
352 | bfa_timer_stop(&rport->timer); | |
353 | /* | |
354 | * !! fall through !! | |
355 | */ | |
356 | ||
357 | case RPSM_EVENT_TIMEOUT: | |
358 | rport->plogi_retries++; | |
359 | if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
360 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
361 | bfa_fcs_rport_send_plogi(rport, NULL); | |
362 | } else { | |
363 | rport->pid = 0; | |
364 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
365 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
366 | bfa_fcs_rport_timeout, rport, | |
367 | bfa_fcs_rport_del_timeout); | |
368 | } | |
369 | break; | |
370 | ||
371 | case RPSM_EVENT_DELETE: | |
372 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
373 | bfa_timer_stop(&rport->timer); | |
374 | bfa_fcs_rport_free(rport); | |
375 | break; | |
376 | ||
377 | case RPSM_EVENT_LOGO_RCVD: | |
378 | break; | |
379 | ||
380 | case RPSM_EVENT_PLOGI_RCVD: | |
381 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
382 | bfa_timer_stop(&rport->timer); | |
383 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
384 | break; | |
385 | ||
386 | case RPSM_EVENT_ADDRESS_CHANGE: | |
387 | bfa_timer_stop(&rport->timer); | |
388 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
389 | rport->ns_retries = 0; | |
390 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
391 | break; | |
392 | ||
393 | case RPSM_EVENT_LOGO_IMP: | |
394 | rport->pid = 0; | |
395 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
396 | bfa_timer_stop(&rport->timer); | |
397 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
398 | bfa_fcs_rport_timeout, rport, | |
399 | bfa_fcs_rport_del_timeout); | |
400 | break; | |
401 | ||
402 | case RPSM_EVENT_PLOGI_COMP: | |
403 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
404 | bfa_timer_stop(&rport->timer); | |
405 | bfa_fcs_rport_hal_online(rport); | |
406 | break; | |
407 | ||
408 | default: | |
409 | bfa_assert(0); | |
410 | } | |
411 | } | |
412 | ||
413 | /** | |
414 | * PLOGI is sent. | |
415 | */ | |
416 | static void | |
417 | bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
418 | { | |
419 | bfa_trc(rport->fcs, rport->pwwn); | |
420 | bfa_trc(rport->fcs, rport->pid); | |
421 | bfa_trc(rport->fcs, event); | |
422 | ||
423 | switch (event) { | |
424 | case RPSM_EVENT_ACCEPTED: | |
425 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
426 | rport->plogi_retries = 0; | |
427 | bfa_fcs_rport_hal_online(rport); | |
428 | break; | |
429 | ||
430 | case RPSM_EVENT_LOGO_RCVD: | |
431 | bfa_fcs_rport_send_logo_acc(rport); | |
432 | bfa_fcxp_discard(rport->fcxp); | |
433 | /* | |
434 | * !! fall through !! | |
435 | */ | |
436 | case RPSM_EVENT_FAILED: | |
437 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); | |
438 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
439 | bfa_fcs_rport_timeout, rport, | |
440 | BFA_FCS_RETRY_TIMEOUT); | |
441 | break; | |
442 | ||
443 | case RPSM_EVENT_LOGO_IMP: | |
444 | rport->pid = 0; | |
445 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
446 | bfa_fcxp_discard(rport->fcxp); | |
447 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
448 | bfa_fcs_rport_timeout, rport, | |
449 | bfa_fcs_rport_del_timeout); | |
450 | break; | |
451 | ||
452 | case RPSM_EVENT_ADDRESS_CHANGE: | |
453 | bfa_fcxp_discard(rport->fcxp); | |
454 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
455 | rport->ns_retries = 0; | |
456 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
457 | break; | |
458 | ||
459 | case RPSM_EVENT_PLOGI_RCVD: | |
460 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
461 | bfa_fcxp_discard(rport->fcxp); | |
462 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
463 | break; | |
464 | ||
465 | case RPSM_EVENT_SCN: | |
466 | /** | |
467 | * Ignore SCN - wait for PLOGI response. | |
468 | */ | |
469 | break; | |
470 | ||
471 | case RPSM_EVENT_DELETE: | |
472 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
473 | bfa_fcxp_discard(rport->fcxp); | |
474 | bfa_fcs_rport_free(rport); | |
475 | break; | |
476 | ||
477 | case RPSM_EVENT_PLOGI_COMP: | |
478 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
479 | bfa_fcxp_discard(rport->fcxp); | |
480 | bfa_fcs_rport_hal_online(rport); | |
481 | break; | |
482 | ||
483 | default: | |
484 | bfa_assert(0); | |
485 | } | |
486 | } | |
487 | ||
488 | /** | |
489 | * PLOGI is complete. Awaiting BFA rport online callback. FC-4s | |
490 | * are offline. | |
491 | */ | |
492 | static void | |
493 | bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, | |
494 | enum rport_event event) | |
495 | { | |
496 | bfa_trc(rport->fcs, rport->pwwn); | |
497 | bfa_trc(rport->fcs, rport->pid); | |
498 | bfa_trc(rport->fcs, event); | |
499 | ||
500 | switch (event) { | |
501 | case RPSM_EVENT_HCB_ONLINE: | |
502 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); | |
503 | bfa_fcs_rport_online_action(rport); | |
504 | break; | |
505 | ||
506 | case RPSM_EVENT_LOGO_RCVD: | |
507 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); | |
508 | bfa_rport_offline(rport->bfa_rport); | |
509 | break; | |
510 | ||
511 | case RPSM_EVENT_LOGO_IMP: | |
512 | case RPSM_EVENT_ADDRESS_CHANGE: | |
513 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
514 | bfa_rport_offline(rport->bfa_rport); | |
515 | break; | |
516 | ||
517 | case RPSM_EVENT_PLOGI_RCVD: | |
518 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
519 | bfa_rport_offline(rport->bfa_rport); | |
520 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
521 | break; | |
522 | ||
523 | case RPSM_EVENT_DELETE: | |
524 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
525 | bfa_rport_offline(rport->bfa_rport); | |
526 | break; | |
527 | ||
528 | case RPSM_EVENT_SCN: | |
529 | /** | |
530 | * @todo | |
531 | * Ignore SCN - PLOGI just completed, FC-4 login should detect | |
532 | * device failures. | |
533 | */ | |
534 | break; | |
535 | ||
536 | default: | |
537 | bfa_assert(0); | |
538 | } | |
539 | } | |
540 | ||
541 | /** | |
542 | * Rport is ONLINE. FC-4s active. | |
543 | */ | |
544 | static void | |
545 | bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
546 | { | |
547 | bfa_trc(rport->fcs, rport->pwwn); | |
548 | bfa_trc(rport->fcs, rport->pid); | |
549 | bfa_trc(rport->fcs, event); | |
550 | ||
551 | switch (event) { | |
552 | case RPSM_EVENT_SCN: | |
553 | /** | |
554 | * Pause FC-4 activity till rport is authenticated. | |
555 | * In switched fabrics, check presence of device in nameserver | |
556 | * first. | |
557 | */ | |
558 | bfa_fcs_rport_fc4_pause(rport); | |
559 | ||
560 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { | |
561 | bfa_sm_set_state(rport, | |
562 | bfa_fcs_rport_sm_nsquery_sending); | |
563 | rport->ns_retries = 0; | |
564 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
565 | } else { | |
566 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); | |
567 | bfa_fcs_rport_send_adisc(rport, NULL); | |
568 | } | |
569 | break; | |
570 | ||
571 | case RPSM_EVENT_PLOGI_RCVD: | |
572 | case RPSM_EVENT_LOGO_IMP: | |
573 | case RPSM_EVENT_ADDRESS_CHANGE: | |
574 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
575 | bfa_fcs_rport_offline_action(rport); | |
576 | break; | |
577 | ||
578 | case RPSM_EVENT_DELETE: | |
579 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
580 | bfa_fcs_rport_offline_action(rport); | |
581 | break; | |
582 | ||
583 | case RPSM_EVENT_LOGO_RCVD: | |
584 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); | |
585 | bfa_fcs_rport_offline_action(rport); | |
586 | break; | |
587 | ||
588 | case RPSM_EVENT_PLOGI_COMP: | |
589 | break; | |
590 | ||
591 | default: | |
592 | bfa_assert(0); | |
593 | } | |
594 | } | |
595 | ||
596 | /** | |
597 | * An SCN event is received in ONLINE state. NS query is being sent | |
598 | * prior to ADISC authentication with rport. FC-4s are paused. | |
599 | */ | |
600 | static void | |
601 | bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, | |
602 | enum rport_event event) | |
603 | { | |
604 | bfa_trc(rport->fcs, rport->pwwn); | |
605 | bfa_trc(rport->fcs, rport->pid); | |
606 | bfa_trc(rport->fcs, event); | |
607 | ||
608 | switch (event) { | |
609 | case RPSM_EVENT_FCXP_SENT: | |
610 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); | |
611 | break; | |
612 | ||
613 | case RPSM_EVENT_DELETE: | |
614 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
615 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
616 | bfa_fcs_rport_offline_action(rport); | |
617 | break; | |
618 | ||
619 | case RPSM_EVENT_SCN: | |
620 | /** | |
621 | * ignore SCN, wait for response to query itself | |
622 | */ | |
623 | break; | |
624 | ||
625 | case RPSM_EVENT_LOGO_RCVD: | |
626 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); | |
627 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
628 | bfa_fcs_rport_offline_action(rport); | |
629 | break; | |
630 | ||
631 | case RPSM_EVENT_LOGO_IMP: | |
632 | rport->pid = 0; | |
633 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
634 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
635 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
636 | bfa_fcs_rport_timeout, rport, | |
637 | bfa_fcs_rport_del_timeout); | |
638 | break; | |
639 | ||
640 | case RPSM_EVENT_PLOGI_RCVD: | |
641 | case RPSM_EVENT_ADDRESS_CHANGE: | |
642 | case RPSM_EVENT_PLOGI_COMP: | |
643 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
644 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
645 | bfa_fcs_rport_offline_action(rport); | |
646 | break; | |
647 | ||
648 | default: | |
649 | bfa_assert(0); | |
650 | } | |
651 | } | |
652 | ||
653 | /** | |
654 | * An SCN event is received in ONLINE state. NS query is sent to rport. | |
655 | * FC-4s are paused. | |
656 | */ | |
657 | static void | |
658 | bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
659 | { | |
660 | bfa_trc(rport->fcs, rport->pwwn); | |
661 | bfa_trc(rport->fcs, rport->pid); | |
662 | bfa_trc(rport->fcs, event); | |
663 | ||
664 | switch (event) { | |
665 | case RPSM_EVENT_ACCEPTED: | |
666 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); | |
667 | bfa_fcs_rport_send_adisc(rport, NULL); | |
668 | break; | |
669 | ||
670 | case RPSM_EVENT_FAILED: | |
671 | rport->ns_retries++; | |
672 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
673 | bfa_sm_set_state(rport, | |
674 | bfa_fcs_rport_sm_nsquery_sending); | |
675 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
676 | } else { | |
677 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
678 | bfa_fcs_rport_offline_action(rport); | |
679 | } | |
680 | break; | |
681 | ||
682 | case RPSM_EVENT_DELETE: | |
683 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
684 | bfa_fcxp_discard(rport->fcxp); | |
685 | bfa_fcs_rport_offline_action(rport); | |
686 | break; | |
687 | ||
688 | case RPSM_EVENT_SCN: | |
689 | break; | |
690 | ||
691 | case RPSM_EVENT_LOGO_RCVD: | |
692 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); | |
693 | bfa_fcxp_discard(rport->fcxp); | |
694 | bfa_fcs_rport_offline_action(rport); | |
695 | break; | |
696 | ||
697 | case RPSM_EVENT_PLOGI_COMP: | |
698 | case RPSM_EVENT_ADDRESS_CHANGE: | |
699 | case RPSM_EVENT_PLOGI_RCVD: | |
700 | case RPSM_EVENT_LOGO_IMP: | |
701 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
702 | bfa_fcxp_discard(rport->fcxp); | |
703 | bfa_fcs_rport_offline_action(rport); | |
704 | break; | |
705 | ||
706 | default: | |
707 | bfa_assert(0); | |
708 | } | |
709 | } | |
710 | ||
711 | /** | |
712 | * An SCN event is received in ONLINE state. ADISC is being sent for | |
713 | * authenticating with rport. FC-4s are paused. | |
714 | */ | |
715 | static void | |
716 | bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, | |
717 | enum rport_event event) | |
718 | { | |
719 | bfa_trc(rport->fcs, rport->pwwn); | |
720 | bfa_trc(rport->fcs, rport->pid); | |
721 | bfa_trc(rport->fcs, event); | |
722 | ||
723 | switch (event) { | |
724 | case RPSM_EVENT_FCXP_SENT: | |
725 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc); | |
726 | break; | |
727 | ||
728 | case RPSM_EVENT_DELETE: | |
729 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
730 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
731 | bfa_fcs_rport_offline_action(rport); | |
732 | break; | |
733 | ||
734 | case RPSM_EVENT_LOGO_IMP: | |
735 | case RPSM_EVENT_ADDRESS_CHANGE: | |
736 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
737 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
738 | bfa_fcs_rport_offline_action(rport); | |
739 | break; | |
740 | ||
741 | case RPSM_EVENT_LOGO_RCVD: | |
742 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); | |
743 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
744 | bfa_fcs_rport_offline_action(rport); | |
745 | break; | |
746 | ||
747 | case RPSM_EVENT_SCN: | |
748 | break; | |
749 | ||
750 | case RPSM_EVENT_PLOGI_RCVD: | |
751 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
752 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
753 | bfa_fcs_rport_offline_action(rport); | |
754 | break; | |
755 | ||
756 | default: | |
757 | bfa_assert(0); | |
758 | } | |
759 | } | |
760 | ||
761 | /** | |
762 | * An SCN event is received in ONLINE state. ADISC is to rport. | |
763 | * FC-4s are paused. | |
764 | */ | |
765 | static void | |
766 | bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
767 | { | |
768 | bfa_trc(rport->fcs, rport->pwwn); | |
769 | bfa_trc(rport->fcs, rport->pid); | |
770 | bfa_trc(rport->fcs, event); | |
771 | ||
772 | switch (event) { | |
773 | case RPSM_EVENT_ACCEPTED: | |
774 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); | |
775 | bfa_fcs_rport_fc4_resume(rport); | |
776 | break; | |
777 | ||
778 | case RPSM_EVENT_PLOGI_RCVD: | |
779 | /** | |
780 | * Too complex to cleanup FC-4 & rport and then acc to PLOGI. | |
781 | * At least go offline when a PLOGI is received. | |
782 | */ | |
783 | bfa_fcxp_discard(rport->fcxp); | |
784 | /* | |
785 | * !!! fall through !!! | |
786 | */ | |
787 | ||
788 | case RPSM_EVENT_FAILED: | |
789 | case RPSM_EVENT_ADDRESS_CHANGE: | |
790 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
791 | bfa_fcs_rport_offline_action(rport); | |
792 | break; | |
793 | ||
794 | case RPSM_EVENT_DELETE: | |
795 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
796 | bfa_fcxp_discard(rport->fcxp); | |
797 | bfa_fcs_rport_offline_action(rport); | |
798 | break; | |
799 | ||
800 | case RPSM_EVENT_SCN: | |
801 | /** | |
802 | * already processing RSCN | |
803 | */ | |
804 | break; | |
805 | ||
806 | case RPSM_EVENT_LOGO_IMP: | |
807 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
808 | bfa_fcxp_discard(rport->fcxp); | |
809 | bfa_fcs_rport_offline_action(rport); | |
810 | break; | |
811 | ||
812 | case RPSM_EVENT_LOGO_RCVD: | |
813 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); | |
814 | bfa_fcxp_discard(rport->fcxp); | |
815 | bfa_fcs_rport_offline_action(rport); | |
816 | break; | |
817 | ||
818 | default: | |
819 | bfa_assert(0); | |
820 | } | |
821 | } | |
822 | ||
823 | /** | |
824 | * Rport has sent LOGO. Awaiting FC-4 offline completion callback. | |
825 | */ | |
826 | static void | |
827 | bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, | |
828 | enum rport_event event) | |
829 | { | |
830 | bfa_trc(rport->fcs, rport->pwwn); | |
831 | bfa_trc(rport->fcs, rport->pid); | |
832 | bfa_trc(rport->fcs, event); | |
833 | ||
834 | switch (event) { | |
835 | case RPSM_EVENT_FC4_OFFLINE: | |
836 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); | |
837 | bfa_rport_offline(rport->bfa_rport); | |
838 | break; | |
839 | ||
840 | case RPSM_EVENT_DELETE: | |
841 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
842 | break; | |
843 | ||
844 | case RPSM_EVENT_LOGO_RCVD: | |
845 | case RPSM_EVENT_ADDRESS_CHANGE: | |
846 | break; | |
847 | ||
848 | default: | |
849 | bfa_assert(0); | |
850 | } | |
851 | } | |
852 | ||
853 | /** | |
854 | * LOGO needs to be sent to rport. Awaiting FC-4 offline completion | |
855 | * callback. | |
856 | */ | |
857 | static void | |
858 | bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, | |
859 | enum rport_event event) | |
860 | { | |
861 | bfa_trc(rport->fcs, rport->pwwn); | |
862 | bfa_trc(rport->fcs, rport->pid); | |
863 | bfa_trc(rport->fcs, event); | |
864 | ||
865 | switch (event) { | |
866 | case RPSM_EVENT_FC4_OFFLINE: | |
867 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
868 | bfa_rport_offline(rport->bfa_rport); | |
869 | break; | |
870 | ||
871 | default: | |
872 | bfa_assert(0); | |
873 | } | |
874 | } | |
875 | ||
876 | /** | |
877 | * Rport is going offline. Awaiting FC-4 offline completion callback. | |
878 | */ | |
879 | static void | |
880 | bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, | |
881 | enum rport_event event) | |
882 | { | |
883 | bfa_trc(rport->fcs, rport->pwwn); | |
884 | bfa_trc(rport->fcs, rport->pid); | |
885 | bfa_trc(rport->fcs, event); | |
886 | ||
887 | switch (event) { | |
888 | case RPSM_EVENT_FC4_OFFLINE: | |
889 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
890 | bfa_rport_offline(rport->bfa_rport); | |
891 | break; | |
892 | ||
893 | case RPSM_EVENT_SCN: | |
894 | case RPSM_EVENT_LOGO_IMP: | |
895 | case RPSM_EVENT_LOGO_RCVD: | |
896 | case RPSM_EVENT_ADDRESS_CHANGE: | |
897 | /** | |
898 | * rport is already going offline. | |
899 | * SCN - ignore and wait till transitioning to offline state | |
900 | */ | |
901 | break; | |
902 | ||
903 | case RPSM_EVENT_DELETE: | |
904 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
905 | break; | |
906 | ||
907 | default: | |
908 | bfa_assert(0); | |
909 | } | |
910 | } | |
911 | ||
912 | /** | |
913 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline | |
914 | * callback. | |
915 | */ | |
916 | static void | |
917 | bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, | |
918 | enum rport_event event) | |
919 | { | |
920 | bfa_trc(rport->fcs, rport->pwwn); | |
921 | bfa_trc(rport->fcs, rport->pid); | |
922 | bfa_trc(rport->fcs, event); | |
923 | ||
924 | switch (event) { | |
925 | case RPSM_EVENT_HCB_OFFLINE: | |
926 | case RPSM_EVENT_ADDRESS_CHANGE: | |
927 | if (bfa_fcs_port_is_online(rport->port)) { | |
928 | bfa_sm_set_state(rport, | |
929 | bfa_fcs_rport_sm_nsdisc_sending); | |
930 | rport->ns_retries = 0; | |
931 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
932 | } else { | |
933 | rport->pid = 0; | |
934 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
935 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
936 | bfa_fcs_rport_timeout, rport, | |
937 | bfa_fcs_rport_del_timeout); | |
938 | } | |
939 | break; | |
940 | ||
941 | case RPSM_EVENT_DELETE: | |
942 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
943 | bfa_fcs_rport_free(rport); | |
944 | break; | |
945 | ||
946 | case RPSM_EVENT_SCN: | |
947 | case RPSM_EVENT_LOGO_RCVD: | |
948 | /** | |
949 | * Ignore, already offline. | |
950 | */ | |
951 | break; | |
952 | ||
953 | default: | |
954 | bfa_assert(0); | |
955 | } | |
956 | } | |
957 | ||
958 | /** | |
959 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline | |
960 | * callback to send LOGO accept. | |
961 | */ | |
962 | static void | |
963 | bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, | |
964 | enum rport_event event) | |
965 | { | |
966 | bfa_trc(rport->fcs, rport->pwwn); | |
967 | bfa_trc(rport->fcs, rport->pid); | |
968 | bfa_trc(rport->fcs, event); | |
969 | ||
970 | switch (event) { | |
971 | case RPSM_EVENT_HCB_OFFLINE: | |
972 | case RPSM_EVENT_ADDRESS_CHANGE: | |
973 | if (rport->pid) | |
974 | bfa_fcs_rport_send_logo_acc(rport); | |
975 | /* | |
976 | * If the lport is online and if the rport is not a well known | |
977 | * address port, we try to re-discover the r-port. | |
978 | */ | |
979 | if (bfa_fcs_port_is_online(rport->port) | |
980 | && (!BFA_FCS_PID_IS_WKA(rport->pid))) { | |
981 | bfa_sm_set_state(rport, | |
982 | bfa_fcs_rport_sm_nsdisc_sending); | |
983 | rport->ns_retries = 0; | |
984 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
985 | } else { | |
986 | /* | |
987 | * if it is not a well known address, reset the pid to | |
988 | * | |
989 | */ | |
990 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
991 | rport->pid = 0; | |
992 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
993 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
994 | bfa_fcs_rport_timeout, rport, | |
995 | bfa_fcs_rport_del_timeout); | |
996 | } | |
997 | break; | |
998 | ||
999 | case RPSM_EVENT_DELETE: | |
1000 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
1001 | break; | |
1002 | ||
1003 | case RPSM_EVENT_LOGO_IMP: | |
1004 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
1005 | break; | |
1006 | ||
1007 | case RPSM_EVENT_LOGO_RCVD: | |
1008 | /** | |
1009 | * Ignore - already processing a LOGO. | |
1010 | */ | |
1011 | break; | |
1012 | ||
1013 | default: | |
1014 | bfa_assert(0); | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | /** | |
1019 | * Rport is being deleted. FC-4s are offline. Awaiting BFA rport offline | |
1020 | * callback to send LOGO. | |
1021 | */ | |
1022 | static void | |
1023 | bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, | |
1024 | enum rport_event event) | |
1025 | { | |
1026 | bfa_trc(rport->fcs, rport->pwwn); | |
1027 | bfa_trc(rport->fcs, rport->pid); | |
1028 | bfa_trc(rport->fcs, event); | |
1029 | ||
1030 | switch (event) { | |
1031 | case RPSM_EVENT_HCB_OFFLINE: | |
1032 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); | |
1033 | bfa_fcs_rport_send_logo(rport, NULL); | |
1034 | break; | |
1035 | ||
1036 | case RPSM_EVENT_LOGO_RCVD: | |
1037 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1038 | break; | |
1039 | ||
1040 | default: | |
1041 | bfa_assert(0); | |
1042 | } | |
1043 | } | |
1044 | ||
1045 | /** | |
1046 | * Rport is being deleted. FC-4s are offline. LOGO is being sent. | |
1047 | */ | |
1048 | static void | |
1049 | bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, | |
1050 | enum rport_event event) | |
1051 | { | |
1052 | bfa_trc(rport->fcs, rport->pwwn); | |
1053 | bfa_trc(rport->fcs, rport->pid); | |
1054 | bfa_trc(rport->fcs, event); | |
1055 | ||
1056 | switch (event) { | |
1057 | case RPSM_EVENT_FCXP_SENT: | |
1058 | /* | |
1059 | * Once LOGO is sent, we donot wait for the response | |
1060 | */ | |
1061 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1062 | bfa_fcs_rport_free(rport); | |
1063 | break; | |
1064 | ||
1065 | case RPSM_EVENT_SCN: | |
1066 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1067 | break; | |
1068 | ||
1069 | case RPSM_EVENT_LOGO_RCVD: | |
1070 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1071 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1072 | bfa_fcs_rport_free(rport); | |
1073 | break; | |
1074 | ||
1075 | default: | |
1076 | bfa_assert(0); | |
1077 | } | |
1078 | } | |
1079 | ||
1080 | /** | |
1081 | * Rport is offline. FC-4s are offline. BFA rport is offline. | |
1082 | * Timer active to delete stale rport. | |
1083 | */ | |
1084 | static void | |
1085 | bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
1086 | { | |
1087 | bfa_trc(rport->fcs, rport->pwwn); | |
1088 | bfa_trc(rport->fcs, rport->pid); | |
1089 | bfa_trc(rport->fcs, event); | |
1090 | ||
1091 | switch (event) { | |
1092 | case RPSM_EVENT_TIMEOUT: | |
1093 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1094 | bfa_fcs_rport_free(rport); | |
1095 | break; | |
1096 | ||
1097 | case RPSM_EVENT_SCN: | |
1098 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1099 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1100 | bfa_timer_stop(&rport->timer); | |
1101 | rport->ns_retries = 0; | |
1102 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
1103 | break; | |
1104 | ||
1105 | case RPSM_EVENT_DELETE: | |
1106 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1107 | bfa_timer_stop(&rport->timer); | |
1108 | bfa_fcs_rport_free(rport); | |
1109 | break; | |
1110 | ||
1111 | case RPSM_EVENT_PLOGI_RCVD: | |
1112 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1113 | bfa_timer_stop(&rport->timer); | |
1114 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1115 | break; | |
1116 | ||
1117 | case RPSM_EVENT_LOGO_RCVD: | |
1118 | case RPSM_EVENT_LOGO_IMP: | |
1119 | break; | |
1120 | ||
1121 | case RPSM_EVENT_PLOGI_COMP: | |
1122 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1123 | bfa_timer_stop(&rport->timer); | |
1124 | bfa_fcs_rport_hal_online(rport); | |
1125 | break; | |
1126 | ||
1127 | case RPSM_EVENT_PLOGI_SEND: | |
1128 | bfa_timer_stop(&rport->timer); | |
1129 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
1130 | rport->plogi_retries = 0; | |
1131 | bfa_fcs_rport_send_plogi(rport, NULL); | |
1132 | break; | |
1133 | ||
1134 | default: | |
1135 | bfa_assert(0); | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | /** | |
1140 | * Rport address has changed. Nameserver discovery request is being sent. | |
1141 | */ | |
1142 | static void | |
1143 | bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, | |
1144 | enum rport_event event) | |
1145 | { | |
1146 | bfa_trc(rport->fcs, rport->pwwn); | |
1147 | bfa_trc(rport->fcs, rport->pid); | |
1148 | bfa_trc(rport->fcs, event); | |
1149 | ||
1150 | switch (event) { | |
1151 | case RPSM_EVENT_FCXP_SENT: | |
1152 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); | |
1153 | break; | |
1154 | ||
1155 | case RPSM_EVENT_DELETE: | |
1156 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1157 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1158 | bfa_fcs_rport_free(rport); | |
1159 | break; | |
1160 | ||
1161 | case RPSM_EVENT_PLOGI_RCVD: | |
1162 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1163 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1164 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1165 | break; | |
1166 | ||
1167 | case RPSM_EVENT_SCN: | |
1168 | case RPSM_EVENT_LOGO_RCVD: | |
1169 | case RPSM_EVENT_PLOGI_SEND: | |
1170 | break; | |
1171 | ||
1172 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1173 | rport->ns_retries = 0; /* reset the retry count */ | |
1174 | break; | |
1175 | ||
1176 | case RPSM_EVENT_LOGO_IMP: | |
1177 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1178 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1179 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1180 | bfa_fcs_rport_timeout, rport, | |
1181 | bfa_fcs_rport_del_timeout); | |
1182 | break; | |
1183 | ||
1184 | case RPSM_EVENT_PLOGI_COMP: | |
1185 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1186 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1187 | bfa_fcs_rport_hal_online(rport); | |
1188 | break; | |
1189 | ||
1190 | default: | |
1191 | bfa_assert(0); | |
1192 | } | |
1193 | } | |
1194 | ||
1195 | /** | |
1196 | * Nameserver discovery failed. Waiting for timeout to retry. | |
1197 | */ | |
1198 | static void | |
1199 | bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, | |
1200 | enum rport_event event) | |
1201 | { | |
1202 | bfa_trc(rport->fcs, rport->pwwn); | |
1203 | bfa_trc(rport->fcs, rport->pid); | |
1204 | bfa_trc(rport->fcs, event); | |
1205 | ||
1206 | switch (event) { | |
1207 | case RPSM_EVENT_TIMEOUT: | |
1208 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1209 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
1210 | break; | |
1211 | ||
1212 | case RPSM_EVENT_SCN: | |
1213 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1214 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1215 | bfa_timer_stop(&rport->timer); | |
1216 | rport->ns_retries = 0; | |
1217 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
1218 | break; | |
1219 | ||
1220 | case RPSM_EVENT_DELETE: | |
1221 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1222 | bfa_timer_stop(&rport->timer); | |
1223 | bfa_fcs_rport_free(rport); | |
1224 | break; | |
1225 | ||
1226 | case RPSM_EVENT_PLOGI_RCVD: | |
1227 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1228 | bfa_timer_stop(&rport->timer); | |
1229 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1230 | break; | |
1231 | ||
1232 | case RPSM_EVENT_LOGO_IMP: | |
1233 | rport->pid = 0; | |
1234 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1235 | bfa_timer_stop(&rport->timer); | |
1236 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1237 | bfa_fcs_rport_timeout, rport, | |
1238 | bfa_fcs_rport_del_timeout); | |
1239 | break; | |
1240 | ||
1241 | case RPSM_EVENT_LOGO_RCVD: | |
1242 | bfa_fcs_rport_send_logo_acc(rport); | |
1243 | break; | |
1244 | ||
1245 | case RPSM_EVENT_PLOGI_COMP: | |
1246 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1247 | bfa_timer_stop(&rport->timer); | |
1248 | bfa_fcs_rport_hal_online(rport); | |
1249 | break; | |
1250 | ||
1251 | default: | |
1252 | bfa_assert(0); | |
1253 | } | |
1254 | } | |
1255 | ||
1256 | /** | |
1257 | * Rport address has changed. Nameserver discovery request is sent. | |
1258 | */ | |
1259 | static void | |
1260 | bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
1261 | enum rport_event event) | |
1262 | { | |
1263 | bfa_trc(rport->fcs, rport->pwwn); | |
1264 | bfa_trc(rport->fcs, rport->pid); | |
1265 | bfa_trc(rport->fcs, event); | |
1266 | ||
1267 | switch (event) { | |
1268 | case RPSM_EVENT_ACCEPTED: | |
1269 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1270 | if (rport->pid) { | |
1271 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
1272 | bfa_fcs_rport_send_plogi(rport, NULL); | |
1273 | } else { | |
1274 | bfa_sm_set_state(rport, | |
1275 | bfa_fcs_rport_sm_nsdisc_sending); | |
1276 | rport->ns_retries = 0; | |
1277 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
1278 | } | |
1279 | break; | |
1280 | ||
1281 | case RPSM_EVENT_FAILED: | |
1282 | rport->ns_retries++; | |
1283 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
1284 | bfa_sm_set_state(rport, | |
1285 | bfa_fcs_rport_sm_nsdisc_sending); | |
1286 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
1287 | } else { | |
1288 | rport->pid = 0; | |
1289 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1290 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1291 | bfa_fcs_rport_timeout, rport, | |
1292 | bfa_fcs_rport_del_timeout); | |
1293 | }; | |
1294 | break; | |
1295 | ||
1296 | case RPSM_EVENT_DELETE: | |
1297 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1298 | bfa_fcxp_discard(rport->fcxp); | |
1299 | bfa_fcs_rport_free(rport); | |
1300 | break; | |
1301 | ||
1302 | case RPSM_EVENT_PLOGI_RCVD: | |
1303 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1304 | bfa_fcxp_discard(rport->fcxp); | |
1305 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1306 | break; | |
1307 | ||
1308 | case RPSM_EVENT_LOGO_IMP: | |
1309 | rport->pid = 0; | |
1310 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1311 | bfa_fcxp_discard(rport->fcxp); | |
1312 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1313 | bfa_fcs_rport_timeout, rport, | |
1314 | bfa_fcs_rport_del_timeout); | |
1315 | break; | |
1316 | ||
1317 | case RPSM_EVENT_SCN: | |
1318 | /** | |
1319 | * ignore, wait for NS query response | |
1320 | */ | |
1321 | break; | |
1322 | ||
1323 | case RPSM_EVENT_LOGO_RCVD: | |
1324 | /** | |
1325 | * Not logged-in yet. Accept LOGO. | |
1326 | */ | |
1327 | bfa_fcs_rport_send_logo_acc(rport); | |
1328 | break; | |
1329 | ||
1330 | case RPSM_EVENT_PLOGI_COMP: | |
1331 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1332 | bfa_fcxp_discard(rport->fcxp); | |
1333 | bfa_fcs_rport_hal_online(rport); | |
1334 | break; | |
1335 | ||
1336 | default: | |
1337 | bfa_assert(0); | |
1338 | } | |
1339 | } | |
1340 | ||
1341 | ||
1342 | ||
1343 | /** | |
1344 | * fcs_rport_private FCS RPORT provate functions | |
1345 | */ | |
1346 | ||
1347 | static void | |
1348 | bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1349 | { | |
1350 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1351 | struct bfa_fcs_port_s *port = rport->port; | |
1352 | struct fchs_s fchs; | |
1353 | int len; | |
1354 | struct bfa_fcxp_s *fcxp; | |
1355 | ||
1356 | bfa_trc(rport->fcs, rport->pwwn); | |
1357 | ||
1358 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1359 | if (!fcxp) { | |
1360 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, | |
1361 | bfa_fcs_rport_send_plogi, rport); | |
1362 | return; | |
1363 | } | |
1364 | rport->fcxp = fcxp; | |
1365 | ||
1366 | len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
1367 | bfa_fcs_port_get_fcid(port), 0, | |
1368 | port->port_cfg.pwwn, port->port_cfg.nwwn, | |
1369 | bfa_pport_get_maxfrsize(port->fcs->bfa)); | |
1370 | ||
1371 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1372 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, | |
1373 | (void *)rport, FC_MAX_PDUSZ, FC_RA_TOV); | |
1374 | ||
1375 | rport->stats.plogis++; | |
1376 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1377 | } | |
1378 | ||
1379 | static void | |
1380 | bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1381 | bfa_status_t req_status, u32 rsp_len, | |
1382 | u32 resid_len, struct fchs_s *rsp_fchs) | |
1383 | { | |
1384 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
1385 | struct fc_logi_s *plogi_rsp; | |
1386 | struct fc_ls_rjt_s *ls_rjt; | |
1387 | struct bfa_fcs_rport_s *twin; | |
1388 | struct list_head *qe; | |
1389 | ||
1390 | bfa_trc(rport->fcs, rport->pwwn); | |
1391 | ||
1392 | /* | |
1393 | * Sanity Checks | |
1394 | */ | |
1395 | if (req_status != BFA_STATUS_OK) { | |
1396 | bfa_trc(rport->fcs, req_status); | |
1397 | rport->stats.plogi_failed++; | |
1398 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1399 | return; | |
1400 | } | |
1401 | ||
1402 | plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1403 | ||
1404 | /** | |
1405 | * Check for failure first. | |
1406 | */ | |
1407 | if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { | |
1408 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1409 | ||
1410 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
1411 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
1412 | ||
1413 | rport->stats.plogi_rejects++; | |
1414 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1415 | return; | |
1416 | } | |
1417 | ||
1418 | /** | |
1419 | * PLOGI is complete. Make sure this device is not one of the known | |
1420 | * device with a new FC port address. | |
1421 | */ | |
1422 | list_for_each(qe, &rport->port->rport_q) { | |
1423 | twin = (struct bfa_fcs_rport_s *)qe; | |
1424 | if (twin == rport) | |
1425 | continue; | |
1426 | if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { | |
1427 | bfa_trc(rport->fcs, twin->pid); | |
1428 | bfa_trc(rport->fcs, rport->pid); | |
1429 | ||
1430 | /* | |
1431 | * Update plogi stats in twin | |
1432 | */ | |
1433 | twin->stats.plogis += rport->stats.plogis; | |
1434 | twin->stats.plogi_rejects += rport->stats.plogi_rejects; | |
1435 | twin->stats.plogi_timeouts += | |
1436 | rport->stats.plogi_timeouts; | |
1437 | twin->stats.plogi_failed += rport->stats.plogi_failed; | |
1438 | twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; | |
1439 | twin->stats.plogi_accs++; | |
1440 | ||
1441 | bfa_fcs_rport_delete(rport); | |
1442 | ||
1443 | bfa_fcs_rport_update(twin, plogi_rsp); | |
1444 | twin->pid = rsp_fchs->s_id; | |
1445 | bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); | |
1446 | return; | |
1447 | } | |
1448 | } | |
1449 | ||
1450 | /** | |
1451 | * Normal login path -- no evil twins. | |
1452 | */ | |
1453 | rport->stats.plogi_accs++; | |
1454 | bfa_fcs_rport_update(rport, plogi_rsp); | |
1455 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1456 | } | |
1457 | ||
1458 | static void | |
1459 | bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1460 | { | |
1461 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1462 | struct bfa_fcs_port_s *port = rport->port; | |
1463 | struct fchs_s fchs; | |
1464 | int len; | |
1465 | struct bfa_fcxp_s *fcxp; | |
1466 | ||
1467 | bfa_trc(rport->fcs, rport->pwwn); | |
1468 | bfa_trc(rport->fcs, rport->reply_oxid); | |
1469 | ||
1470 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1471 | if (!fcxp) { | |
1472 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, | |
1473 | bfa_fcs_rport_send_plogiacc, rport); | |
1474 | return; | |
1475 | } | |
1476 | rport->fcxp = fcxp; | |
1477 | ||
1478 | len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
1479 | bfa_fcs_port_get_fcid(port), rport->reply_oxid, | |
1480 | port->port_cfg.pwwn, port->port_cfg.nwwn, | |
1481 | bfa_pport_get_maxfrsize(port->fcs->bfa)); | |
1482 | ||
1483 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1484 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | |
1485 | ||
1486 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1487 | } | |
1488 | ||
1489 | static void | |
1490 | bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1491 | { | |
1492 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1493 | struct bfa_fcs_port_s *port = rport->port; | |
1494 | struct fchs_s fchs; | |
1495 | int len; | |
1496 | struct bfa_fcxp_s *fcxp; | |
1497 | ||
1498 | bfa_trc(rport->fcs, rport->pwwn); | |
1499 | ||
1500 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1501 | if (!fcxp) { | |
1502 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, | |
1503 | bfa_fcs_rport_send_adisc, rport); | |
1504 | return; | |
1505 | } | |
1506 | rport->fcxp = fcxp; | |
1507 | ||
1508 | len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
1509 | bfa_fcs_port_get_fcid(port), 0, | |
1510 | port->port_cfg.pwwn, port->port_cfg.nwwn); | |
1511 | ||
1512 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1513 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, | |
1514 | rport, FC_MAX_PDUSZ, FC_RA_TOV); | |
1515 | ||
1516 | rport->stats.adisc_sent++; | |
1517 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1518 | } | |
1519 | ||
1520 | static void | |
1521 | bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1522 | bfa_status_t req_status, u32 rsp_len, | |
1523 | u32 resid_len, struct fchs_s *rsp_fchs) | |
1524 | { | |
1525 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
1526 | void *pld = bfa_fcxp_get_rspbuf(fcxp); | |
1527 | struct fc_ls_rjt_s *ls_rjt; | |
1528 | ||
1529 | if (req_status != BFA_STATUS_OK) { | |
1530 | bfa_trc(rport->fcs, req_status); | |
1531 | rport->stats.adisc_failed++; | |
1532 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1533 | return; | |
1534 | } | |
1535 | ||
1536 | if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, | |
1537 | rport->nwwn) == FC_PARSE_OK) { | |
1538 | rport->stats.adisc_accs++; | |
1539 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1540 | return; | |
1541 | } | |
1542 | ||
1543 | rport->stats.adisc_rejects++; | |
1544 | ls_rjt = pld; | |
1545 | bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); | |
1546 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
1547 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
1548 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1549 | } | |
1550 | ||
1551 | static void | |
1552 | bfa_fcs_rport_send_gidpn(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1553 | { | |
1554 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1555 | struct bfa_fcs_port_s *port = rport->port; | |
1556 | struct fchs_s fchs; | |
1557 | struct bfa_fcxp_s *fcxp; | |
1558 | int len; | |
1559 | ||
1560 | bfa_trc(rport->fcs, rport->pid); | |
1561 | ||
1562 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1563 | if (!fcxp) { | |
1564 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, | |
1565 | bfa_fcs_rport_send_gidpn, rport); | |
1566 | return; | |
1567 | } | |
1568 | rport->fcxp = fcxp; | |
1569 | ||
1570 | len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1571 | bfa_fcs_port_get_fcid(port), 0, rport->pwwn); | |
1572 | ||
1573 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1574 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_gidpn_response, | |
1575 | (void *)rport, FC_MAX_PDUSZ, FC_RA_TOV); | |
1576 | ||
1577 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1578 | } | |
1579 | ||
1580 | static void | |
1581 | bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1582 | bfa_status_t req_status, u32 rsp_len, | |
1583 | u32 resid_len, struct fchs_s *rsp_fchs) | |
1584 | { | |
1585 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
1586 | struct bfa_fcs_rport_s *twin; | |
1587 | struct list_head *qe; | |
1588 | struct ct_hdr_s *cthdr; | |
1589 | struct fcgs_gidpn_resp_s *gidpn_rsp; | |
1590 | ||
1591 | bfa_trc(rport->fcs, rport->pwwn); | |
1592 | ||
1593 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1594 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
1595 | ||
1596 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
1597 | /* | |
1598 | * Check if the pid is the same as before. | |
1599 | */ | |
1600 | gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); | |
1601 | ||
1602 | if (gidpn_rsp->dap == rport->pid) { | |
1603 | /* | |
1604 | * Device is online | |
1605 | */ | |
1606 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1607 | } else { | |
1608 | /* | |
1609 | * Device's PID has changed. We need to cleanup and | |
1610 | * re-login. If there is another device with the the | |
1611 | * newly discovered pid, send an scn notice so that its | |
1612 | * new pid can be discovered. | |
1613 | */ | |
1614 | list_for_each(qe, &rport->port->rport_q) { | |
1615 | twin = (struct bfa_fcs_rport_s *)qe; | |
1616 | if (twin == rport) | |
1617 | continue; | |
1618 | if (gidpn_rsp->dap == twin->pid) { | |
1619 | bfa_trc(rport->fcs, twin->pid); | |
1620 | bfa_trc(rport->fcs, rport->pid); | |
1621 | ||
1622 | twin->pid = 0; | |
1623 | bfa_sm_send_event(twin, | |
1624 | RPSM_EVENT_ADDRESS_CHANGE); | |
1625 | } | |
1626 | } | |
1627 | rport->pid = gidpn_rsp->dap; | |
1628 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); | |
1629 | } | |
1630 | return; | |
1631 | } | |
1632 | ||
1633 | /* | |
1634 | * Reject Response | |
1635 | */ | |
1636 | switch (cthdr->reason_code) { | |
1637 | case CT_RSN_LOGICAL_BUSY: | |
1638 | /* | |
1639 | * Need to retry | |
1640 | */ | |
1641 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); | |
1642 | break; | |
1643 | ||
1644 | case CT_RSN_UNABLE_TO_PERF: | |
1645 | /* | |
1646 | * device doesn't exist : Start timer to cleanup this later. | |
1647 | */ | |
1648 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1649 | break; | |
1650 | ||
1651 | default: | |
1652 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1653 | break; | |
1654 | } | |
1655 | } | |
1656 | ||
1657 | /** | |
1658 | * Called to send a logout to the rport. | |
1659 | */ | |
1660 | static void | |
1661 | bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1662 | { | |
1663 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1664 | struct bfa_fcs_port_s *port; | |
1665 | struct fchs_s fchs; | |
1666 | struct bfa_fcxp_s *fcxp; | |
1667 | u16 len; | |
1668 | ||
1669 | bfa_trc(rport->fcs, rport->pid); | |
1670 | ||
1671 | port = rport->port; | |
1672 | ||
1673 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1674 | if (!fcxp) { | |
1675 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, | |
1676 | bfa_fcs_rport_send_logo, rport); | |
1677 | return; | |
1678 | } | |
1679 | rport->fcxp = fcxp; | |
1680 | ||
1681 | len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
1682 | bfa_fcs_port_get_fcid(port), 0, | |
1683 | bfa_fcs_port_get_pwwn(port)); | |
1684 | ||
1685 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1686 | FC_CLASS_3, len, &fchs, NULL, rport, FC_MAX_PDUSZ, | |
1687 | FC_ED_TOV); | |
1688 | ||
1689 | rport->stats.logos++; | |
1690 | bfa_fcxp_discard(rport->fcxp); | |
1691 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1692 | } | |
1693 | ||
1694 | /** | |
1695 | * Send ACC for a LOGO received. | |
1696 | */ | |
1697 | static void | |
1698 | bfa_fcs_rport_send_logo_acc(void *rport_cbarg) | |
1699 | { | |
1700 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1701 | struct bfa_fcs_port_s *port; | |
1702 | struct fchs_s fchs; | |
1703 | struct bfa_fcxp_s *fcxp; | |
1704 | u16 len; | |
1705 | ||
1706 | bfa_trc(rport->fcs, rport->pid); | |
1707 | ||
1708 | port = rport->port; | |
1709 | ||
1710 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1711 | if (!fcxp) | |
1712 | return; | |
1713 | ||
1714 | rport->stats.logo_rcvd++; | |
1715 | len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
1716 | bfa_fcs_port_get_fcid(port), rport->reply_oxid); | |
1717 | ||
1718 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1719 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | |
1720 | } | |
1721 | ||
1722 | /** | |
1723 | * This routine will be called by bfa_timer on timer timeouts. | |
1724 | * | |
1725 | * param[in] rport - pointer to bfa_fcs_port_ns_t. | |
1726 | * param[out] rport_status - pointer to return vport status in | |
1727 | * | |
1728 | * return | |
1729 | * void | |
1730 | * | |
1731 | * Special Considerations: | |
1732 | * | |
1733 | * note | |
1734 | */ | |
1735 | static void | |
1736 | bfa_fcs_rport_timeout(void *arg) | |
1737 | { | |
1738 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)arg; | |
1739 | ||
1740 | rport->stats.plogi_timeouts++; | |
1741 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); | |
1742 | } | |
1743 | ||
1744 | static void | |
1745 | bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, | |
1746 | struct fchs_s *rx_fchs, u16 len) | |
1747 | { | |
1748 | struct bfa_fcxp_s *fcxp; | |
1749 | struct fchs_s fchs; | |
1750 | struct bfa_fcs_port_s *port = rport->port; | |
1751 | struct fc_prli_s *prli; | |
1752 | ||
1753 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1754 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1755 | ||
1756 | rport->stats.prli_rcvd++; | |
1757 | ||
1758 | if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) { | |
1759 | /* | |
1760 | * Target Mode : Let the fcptm handle it | |
1761 | */ | |
1762 | bfa_fcs_tin_rx_prli(rport->tin, rx_fchs, len); | |
1763 | return; | |
1764 | } | |
1765 | ||
1766 | /* | |
1767 | * We are either in Initiator or ipfc Mode | |
1768 | */ | |
1769 | prli = (struct fc_prli_s *) (rx_fchs + 1); | |
1770 | ||
1771 | if (prli->parampage.servparams.initiator) { | |
1772 | bfa_trc(rport->fcs, prli->parampage.type); | |
1773 | rport->scsi_function = BFA_RPORT_INITIATOR; | |
1774 | bfa_fcs_itnim_is_initiator(rport->itnim); | |
1775 | } else { | |
1776 | /* | |
1777 | * @todo: PRLI from a target ? | |
1778 | */ | |
1779 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1780 | rport->scsi_function = BFA_RPORT_TARGET; | |
1781 | } | |
1782 | ||
1783 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1784 | if (!fcxp) | |
1785 | return; | |
1786 | ||
1787 | len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, | |
1788 | bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, | |
1789 | port->port_cfg.roles); | |
1790 | ||
1791 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1792 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | |
1793 | } | |
1794 | ||
1795 | static void | |
1796 | bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, | |
1797 | struct fchs_s *rx_fchs, u16 len) | |
1798 | { | |
1799 | struct bfa_fcxp_s *fcxp; | |
1800 | struct fchs_s fchs; | |
1801 | struct bfa_fcs_port_s *port = rport->port; | |
1802 | struct fc_rpsc_speed_info_s speeds; | |
1803 | struct bfa_pport_attr_s pport_attr; | |
1804 | ||
1805 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1806 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1807 | ||
1808 | rport->stats.rpsc_rcvd++; | |
1809 | speeds.port_speed_cap = | |
1810 | RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | | |
1811 | RPSC_SPEED_CAP_8G; | |
1812 | ||
1813 | /* | |
1814 | * get curent speed from pport attributes from BFA | |
1815 | */ | |
1816 | bfa_pport_get_attr(port->fcs->bfa, &pport_attr); | |
1817 | ||
1818 | speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); | |
1819 | ||
1820 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1821 | if (!fcxp) | |
1822 | return; | |
1823 | ||
1824 | len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, | |
1825 | bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, | |
1826 | &speeds); | |
1827 | ||
1828 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1829 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | |
1830 | } | |
1831 | ||
1832 | static void | |
1833 | bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, | |
1834 | struct fchs_s *rx_fchs, u16 len) | |
1835 | { | |
1836 | struct bfa_fcxp_s *fcxp; | |
1837 | struct fchs_s fchs; | |
1838 | struct bfa_fcs_port_s *port = rport->port; | |
1839 | struct fc_adisc_s *adisc; | |
1840 | ||
1841 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1842 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1843 | ||
1844 | rport->stats.adisc_rcvd++; | |
1845 | ||
1846 | if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) { | |
1847 | /* | |
1848 | * @todo : Target Mode handling | |
1849 | */ | |
1850 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1851 | bfa_assert(0); | |
1852 | return; | |
1853 | } | |
1854 | ||
1855 | adisc = (struct fc_adisc_s *) (rx_fchs + 1); | |
1856 | ||
1857 | /* | |
1858 | * Accept if the itnim for this rport is online. Else reject the ADISC | |
1859 | */ | |
1860 | if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { | |
1861 | ||
1862 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1863 | if (!fcxp) | |
1864 | return; | |
1865 | ||
1866 | len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1867 | rx_fchs->s_id, | |
1868 | bfa_fcs_port_get_fcid(port), | |
1869 | rx_fchs->ox_id, port->port_cfg.pwwn, | |
1870 | port->port_cfg.nwwn); | |
1871 | ||
1872 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, | |
1873 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, | |
1874 | FC_MAX_PDUSZ, 0); | |
1875 | } else { | |
1876 | rport->stats.adisc_rejected++; | |
1877 | bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, | |
1878 | FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, | |
1879 | FC_LS_RJT_EXP_LOGIN_REQUIRED); | |
1880 | } | |
1881 | ||
1882 | } | |
1883 | ||
1884 | static void | |
1885 | bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) | |
1886 | { | |
1887 | struct bfa_fcs_port_s *port = rport->port; | |
1888 | struct bfa_rport_info_s rport_info; | |
1889 | ||
1890 | rport_info.pid = rport->pid; | |
1891 | rport_info.local_pid = port->pid; | |
1892 | rport_info.lp_tag = port->lp_tag; | |
1893 | rport_info.vf_id = port->fabric->vf_id; | |
1894 | rport_info.vf_en = port->fabric->is_vf; | |
1895 | rport_info.fc_class = rport->fc_cos; | |
1896 | rport_info.cisc = rport->cisc; | |
1897 | rport_info.max_frmsz = rport->maxfrsize; | |
1898 | bfa_rport_online(rport->bfa_rport, &rport_info); | |
1899 | } | |
1900 | ||
1901 | static void | |
1902 | bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport) | |
1903 | { | |
1904 | if (bfa_fcs_port_is_initiator(rport->port)) | |
1905 | bfa_fcs_itnim_pause(rport->itnim); | |
1906 | ||
1907 | if (bfa_fcs_port_is_target(rport->port)) | |
1908 | bfa_fcs_tin_pause(rport->tin); | |
1909 | } | |
1910 | ||
1911 | static void | |
1912 | bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport) | |
1913 | { | |
1914 | if (bfa_fcs_port_is_initiator(rport->port)) | |
1915 | bfa_fcs_itnim_resume(rport->itnim); | |
1916 | ||
1917 | if (bfa_fcs_port_is_target(rport->port)) | |
1918 | bfa_fcs_tin_resume(rport->tin); | |
1919 | } | |
1920 | ||
1921 | static struct bfa_fcs_rport_s * | |
1922 | bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, wwn_t pwwn, u32 rpid) | |
1923 | { | |
1924 | struct bfa_fcs_s *fcs = port->fcs; | |
1925 | struct bfa_fcs_rport_s *rport; | |
1926 | struct bfad_rport_s *rport_drv; | |
1927 | ||
1928 | /** | |
1929 | * allocate rport | |
1930 | */ | |
1931 | if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) | |
1932 | != BFA_STATUS_OK) { | |
1933 | bfa_trc(fcs, rpid); | |
1934 | return NULL; | |
1935 | } | |
1936 | ||
1937 | /* | |
1938 | * Initialize r-port | |
1939 | */ | |
1940 | rport->port = port; | |
1941 | rport->fcs = fcs; | |
1942 | rport->rp_drv = rport_drv; | |
1943 | rport->pid = rpid; | |
1944 | rport->pwwn = pwwn; | |
1945 | ||
1946 | /** | |
1947 | * allocate BFA rport | |
1948 | */ | |
1949 | rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); | |
1950 | if (!rport->bfa_rport) { | |
1951 | bfa_trc(fcs, rpid); | |
1952 | kfree(rport_drv); | |
1953 | return NULL; | |
1954 | } | |
1955 | ||
1956 | /** | |
1957 | * allocate FC-4s | |
1958 | */ | |
1959 | bfa_assert(bfa_fcs_port_is_initiator(port) ^ | |
1960 | bfa_fcs_port_is_target(port)); | |
1961 | ||
1962 | if (bfa_fcs_port_is_initiator(port)) { | |
1963 | rport->itnim = bfa_fcs_itnim_create(rport); | |
1964 | if (!rport->itnim) { | |
1965 | bfa_trc(fcs, rpid); | |
1966 | bfa_rport_delete(rport->bfa_rport); | |
1967 | kfree(rport_drv); | |
1968 | return NULL; | |
1969 | } | |
1970 | } | |
1971 | ||
1972 | if (bfa_fcs_port_is_target(port)) { | |
1973 | rport->tin = bfa_fcs_tin_create(rport); | |
1974 | if (!rport->tin) { | |
1975 | bfa_trc(fcs, rpid); | |
1976 | bfa_rport_delete(rport->bfa_rport); | |
1977 | kfree(rport_drv); | |
1978 | return NULL; | |
1979 | } | |
1980 | } | |
1981 | ||
1982 | bfa_fcs_port_add_rport(port, rport); | |
1983 | ||
1984 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1985 | ||
1986 | /* | |
1987 | * Initialize the Rport Features(RPF) Sub Module | |
1988 | */ | |
1989 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
1990 | bfa_fcs_rpf_init(rport); | |
1991 | ||
1992 | return rport; | |
1993 | } | |
1994 | ||
1995 | ||
1996 | static void | |
1997 | bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) | |
1998 | { | |
1999 | struct bfa_fcs_port_s *port = rport->port; | |
2000 | ||
2001 | /** | |
2002 | * - delete FC-4s | |
2003 | * - delete BFA rport | |
2004 | * - remove from queue of rports | |
2005 | */ | |
2006 | if (bfa_fcs_port_is_initiator(port)) | |
2007 | bfa_fcs_itnim_delete(rport->itnim); | |
2008 | ||
2009 | if (bfa_fcs_port_is_target(port)) | |
2010 | bfa_fcs_tin_delete(rport->tin); | |
2011 | ||
2012 | bfa_rport_delete(rport->bfa_rport); | |
2013 | bfa_fcs_port_del_rport(port, rport); | |
2014 | kfree(rport->rp_drv); | |
2015 | } | |
2016 | ||
2017 | static void | |
2018 | bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport, | |
2019 | enum bfa_rport_aen_event event, | |
2020 | struct bfa_rport_aen_data_s *data) | |
2021 | { | |
2022 | union bfa_aen_data_u aen_data; | |
2023 | struct bfa_log_mod_s *logmod = rport->fcs->logm; | |
2024 | wwn_t lpwwn = bfa_fcs_port_get_pwwn(rport->port); | |
2025 | wwn_t rpwwn = rport->pwwn; | |
2026 | char lpwwn_ptr[BFA_STRING_32]; | |
2027 | char rpwwn_ptr[BFA_STRING_32]; | |
2028 | char *prio_str[] = { "unknown", "high", "medium", "low" }; | |
2029 | ||
2030 | wwn2str(lpwwn_ptr, lpwwn); | |
2031 | wwn2str(rpwwn_ptr, rpwwn); | |
2032 | ||
2033 | switch (event) { | |
2034 | case BFA_RPORT_AEN_ONLINE: | |
2035 | bfa_log(logmod, BFA_AEN_RPORT_ONLINE, rpwwn_ptr, lpwwn_ptr); | |
2036 | break; | |
2037 | case BFA_RPORT_AEN_OFFLINE: | |
2038 | bfa_log(logmod, BFA_AEN_RPORT_OFFLINE, rpwwn_ptr, lpwwn_ptr); | |
2039 | break; | |
2040 | case BFA_RPORT_AEN_DISCONNECT: | |
2041 | bfa_log(logmod, BFA_AEN_RPORT_DISCONNECT, rpwwn_ptr, lpwwn_ptr); | |
2042 | break; | |
2043 | case BFA_RPORT_AEN_QOS_PRIO: | |
2044 | aen_data.rport.priv.qos = data->priv.qos; | |
2045 | bfa_log(logmod, BFA_AEN_RPORT_QOS_PRIO, | |
2046 | prio_str[aen_data.rport.priv.qos.qos_priority], | |
2047 | rpwwn_ptr, lpwwn_ptr); | |
2048 | break; | |
2049 | case BFA_RPORT_AEN_QOS_FLOWID: | |
2050 | aen_data.rport.priv.qos = data->priv.qos; | |
2051 | bfa_log(logmod, BFA_AEN_RPORT_QOS_FLOWID, | |
2052 | aen_data.rport.priv.qos.qos_flow_id, rpwwn_ptr, | |
2053 | lpwwn_ptr); | |
2054 | break; | |
2055 | default: | |
2056 | break; | |
2057 | } | |
2058 | ||
2059 | aen_data.rport.vf_id = rport->port->fabric->vf_id; | |
2060 | aen_data.rport.ppwwn = | |
2061 | bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(rport->fcs)); | |
2062 | aen_data.rport.lpwwn = lpwwn; | |
2063 | aen_data.rport.rpwwn = rpwwn; | |
2064 | } | |
2065 | ||
2066 | static void | |
2067 | bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) | |
2068 | { | |
2069 | struct bfa_fcs_port_s *port = rport->port; | |
2070 | ||
2071 | rport->stats.onlines++; | |
2072 | ||
2073 | if (bfa_fcs_port_is_initiator(port)) { | |
2074 | bfa_fcs_itnim_rport_online(rport->itnim); | |
2075 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2076 | bfa_fcs_rpf_rport_online(rport); | |
2077 | }; | |
2078 | ||
2079 | if (bfa_fcs_port_is_target(port)) | |
2080 | bfa_fcs_tin_rport_online(rport->tin); | |
2081 | ||
2082 | /* | |
2083 | * Don't post events for well known addresses | |
2084 | */ | |
2085 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2086 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL); | |
2087 | } | |
2088 | ||
2089 | static void | |
2090 | bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) | |
2091 | { | |
2092 | struct bfa_fcs_port_s *port = rport->port; | |
2093 | ||
2094 | rport->stats.offlines++; | |
2095 | ||
2096 | /* | |
2097 | * Don't post events for well known addresses | |
2098 | */ | |
2099 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) { | |
2100 | if (bfa_fcs_port_is_online(rport->port) == BFA_TRUE) { | |
2101 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_DISCONNECT, | |
2102 | NULL); | |
2103 | } else { | |
2104 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_OFFLINE, | |
2105 | NULL); | |
2106 | } | |
2107 | } | |
2108 | ||
2109 | if (bfa_fcs_port_is_initiator(port)) { | |
2110 | bfa_fcs_itnim_rport_offline(rport->itnim); | |
2111 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2112 | bfa_fcs_rpf_rport_offline(rport); | |
2113 | } | |
2114 | ||
2115 | if (bfa_fcs_port_is_target(port)) | |
2116 | bfa_fcs_tin_rport_offline(rport->tin); | |
2117 | } | |
2118 | ||
2119 | /** | |
2120 | * Update rport parameters from PLOGI or PLOGI accept. | |
2121 | */ | |
2122 | static void | |
2123 | bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) | |
2124 | { | |
2125 | struct bfa_fcs_port_s *port = rport->port; | |
2126 | ||
2127 | /** | |
2128 | * - port name | |
2129 | * - node name | |
2130 | */ | |
2131 | rport->pwwn = plogi->port_name; | |
2132 | rport->nwwn = plogi->node_name; | |
2133 | ||
2134 | /** | |
2135 | * - class of service | |
2136 | */ | |
2137 | rport->fc_cos = 0; | |
2138 | if (plogi->class3.class_valid) | |
2139 | rport->fc_cos = FC_CLASS_3; | |
2140 | ||
2141 | if (plogi->class2.class_valid) | |
2142 | rport->fc_cos |= FC_CLASS_2; | |
2143 | ||
2144 | /** | |
2145 | * - CISC | |
2146 | * - MAX receive frame size | |
2147 | */ | |
2148 | rport->cisc = plogi->csp.cisc; | |
2149 | rport->maxfrsize = bfa_os_ntohs(plogi->class3.rxsz); | |
2150 | ||
2151 | bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred)); | |
2152 | bfa_trc(port->fcs, port->fabric->bb_credit); | |
2153 | /** | |
2154 | * Direct Attach P2P mode : | |
2155 | * This is to handle a bug (233476) in IBM targets in Direct Attach | |
2156 | * Mode. Basically, in FLOGI Accept the target would have erroneously | |
2157 | * set the BB Credit to the value used in the FLOGI sent by the HBA. | |
2158 | * It uses the correct value (its own BB credit) in PLOGI. | |
2159 | */ | |
2160 | if ((!bfa_fcs_fabric_is_switched(port->fabric)) | |
2161 | && (bfa_os_ntohs(plogi->csp.bbcred) < port->fabric->bb_credit)) { | |
2162 | ||
2163 | bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred)); | |
2164 | bfa_trc(port->fcs, port->fabric->bb_credit); | |
2165 | ||
2166 | port->fabric->bb_credit = bfa_os_ntohs(plogi->csp.bbcred); | |
2167 | bfa_pport_set_tx_bbcredit(port->fcs->bfa, | |
2168 | port->fabric->bb_credit); | |
2169 | } | |
2170 | ||
2171 | } | |
2172 | ||
2173 | /** | |
2174 | * Called to handle LOGO received from an existing remote port. | |
2175 | */ | |
2176 | static void | |
2177 | bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) | |
2178 | { | |
2179 | rport->reply_oxid = fchs->ox_id; | |
2180 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2181 | ||
2182 | rport->stats.logo_rcvd++; | |
2183 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); | |
2184 | } | |
2185 | ||
2186 | ||
2187 | ||
2188 | /** | |
2189 | * fcs_rport_public FCS rport public interfaces | |
2190 | */ | |
2191 | ||
2192 | /** | |
2193 | * Called by bport/vport to create a remote port instance for a discovered | |
2194 | * remote device. | |
2195 | * | |
2196 | * @param[in] port - base port or vport | |
2197 | * @param[in] rpid - remote port ID | |
2198 | * | |
2199 | * @return None | |
2200 | */ | |
2201 | struct bfa_fcs_rport_s * | |
2202 | bfa_fcs_rport_create(struct bfa_fcs_port_s *port, u32 rpid) | |
2203 | { | |
2204 | struct bfa_fcs_rport_s *rport; | |
2205 | ||
2206 | bfa_trc(port->fcs, rpid); | |
2207 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); | |
2208 | if (!rport) | |
2209 | return NULL; | |
2210 | ||
2211 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); | |
2212 | return rport; | |
2213 | } | |
2214 | ||
2215 | /** | |
2216 | * Called to create a rport for which only the wwn is known. | |
2217 | * | |
2218 | * @param[in] port - base port | |
2219 | * @param[in] rpwwn - remote port wwn | |
2220 | * | |
2221 | * @return None | |
2222 | */ | |
2223 | struct bfa_fcs_rport_s * | |
2224 | bfa_fcs_rport_create_by_wwn(struct bfa_fcs_port_s *port, wwn_t rpwwn) | |
2225 | { | |
2226 | struct bfa_fcs_rport_s *rport; | |
2227 | ||
2228 | bfa_trc(port->fcs, rpwwn); | |
2229 | rport = bfa_fcs_rport_alloc(port, rpwwn, 0); | |
2230 | if (!rport) | |
2231 | return NULL; | |
2232 | ||
2233 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); | |
2234 | return rport; | |
2235 | } | |
2236 | ||
2237 | /** | |
2238 | * Called by bport in private loop topology to indicate that a | |
2239 | * rport has been discovered and plogi has been completed. | |
2240 | * | |
2241 | * @param[in] port - base port or vport | |
2242 | * @param[in] rpid - remote port ID | |
2243 | */ | |
2244 | void | |
2245 | bfa_fcs_rport_start(struct bfa_fcs_port_s *port, struct fchs_s *fchs, | |
2246 | struct fc_logi_s *plogi) | |
2247 | { | |
2248 | struct bfa_fcs_rport_s *rport; | |
2249 | ||
2250 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); | |
2251 | if (!rport) | |
2252 | return; | |
2253 | ||
2254 | bfa_fcs_rport_update(rport, plogi); | |
2255 | ||
2256 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); | |
2257 | } | |
2258 | ||
2259 | /** | |
2260 | * Called by bport/vport to handle PLOGI received from a new remote port. | |
2261 | * If an existing rport does a plogi, it will be handled separately. | |
2262 | */ | |
2263 | void | |
2264 | bfa_fcs_rport_plogi_create(struct bfa_fcs_port_s *port, struct fchs_s *fchs, | |
2265 | struct fc_logi_s *plogi) | |
2266 | { | |
2267 | struct bfa_fcs_rport_s *rport; | |
2268 | ||
2269 | rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); | |
2270 | if (!rport) | |
2271 | return; | |
2272 | ||
2273 | bfa_fcs_rport_update(rport, plogi); | |
2274 | ||
2275 | rport->reply_oxid = fchs->ox_id; | |
2276 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2277 | ||
2278 | rport->stats.plogi_rcvd++; | |
2279 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); | |
2280 | } | |
2281 | ||
2282 | static int | |
2283 | wwn_compare(wwn_t wwn1, wwn_t wwn2) | |
2284 | { | |
2285 | u8 *b1 = (u8 *) &wwn1; | |
2286 | u8 *b2 = (u8 *) &wwn2; | |
2287 | int i; | |
2288 | ||
2289 | for (i = 0; i < sizeof(wwn_t); i++) { | |
2290 | if (b1[i] < b2[i]) | |
2291 | return -1; | |
2292 | if (b1[i] > b2[i]) | |
2293 | return 1; | |
2294 | } | |
2295 | return 0; | |
2296 | } | |
2297 | ||
2298 | /** | |
2299 | * Called by bport/vport to handle PLOGI received from an existing | |
2300 | * remote port. | |
2301 | */ | |
2302 | void | |
2303 | bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, | |
2304 | struct fc_logi_s *plogi) | |
2305 | { | |
2306 | /** | |
2307 | * @todo Handle P2P and initiator-initiator. | |
2308 | */ | |
2309 | ||
2310 | bfa_fcs_rport_update(rport, plogi); | |
2311 | ||
2312 | rport->reply_oxid = rx_fchs->ox_id; | |
2313 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2314 | ||
2315 | /** | |
2316 | * In Switched fabric topology, | |
2317 | * PLOGI to each other. If our pwwn is smaller, ignore it, | |
2318 | * if it is not a well known address. | |
2319 | * If the link topology is N2N, | |
2320 | * this Plogi should be accepted. | |
2321 | */ | |
2322 | if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1) | |
2323 | && (bfa_fcs_fabric_is_switched(rport->port->fabric)) | |
2324 | && (!BFA_FCS_PID_IS_WKA(rport->pid))) { | |
2325 | bfa_trc(rport->fcs, rport->pid); | |
2326 | return; | |
2327 | } | |
2328 | ||
2329 | rport->stats.plogi_rcvd++; | |
2330 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); | |
2331 | } | |
2332 | ||
2333 | /** | |
2334 | * Called by bport/vport to delete a remote port instance. | |
2335 | * | |
2336 | * Rport delete is called under the following conditions: | |
2337 | * - vport is deleted | |
2338 | * - vf is deleted | |
2339 | * - explicit request from OS to delete rport (vmware) | |
2340 | */ | |
2341 | void | |
2342 | bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport) | |
2343 | { | |
2344 | bfa_sm_send_event(rport, RPSM_EVENT_DELETE); | |
2345 | } | |
2346 | ||
2347 | /** | |
2348 | * Called by bport/vport to when a target goes offline. | |
2349 | * | |
2350 | */ | |
2351 | void | |
2352 | bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport) | |
2353 | { | |
2354 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); | |
2355 | } | |
2356 | ||
2357 | /** | |
2358 | * Called by bport in n2n when a target (attached port) becomes online. | |
2359 | * | |
2360 | */ | |
2361 | void | |
2362 | bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport) | |
2363 | { | |
2364 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); | |
2365 | } | |
2366 | ||
2367 | /** | |
2368 | * Called by bport/vport to notify SCN for the remote port | |
2369 | */ | |
2370 | void | |
2371 | bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) | |
2372 | { | |
2373 | ||
2374 | rport->stats.rscns++; | |
2375 | bfa_sm_send_event(rport, RPSM_EVENT_SCN); | |
2376 | } | |
2377 | ||
2378 | /** | |
2379 | * Called by fcpim to notify that the ITN cleanup is done. | |
2380 | */ | |
2381 | void | |
2382 | bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport) | |
2383 | { | |
2384 | bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); | |
2385 | } | |
2386 | ||
2387 | /** | |
2388 | * Called by fcptm to notify that the ITN cleanup is done. | |
2389 | */ | |
2390 | void | |
2391 | bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport) | |
2392 | { | |
2393 | bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); | |
2394 | } | |
2395 | ||
2396 | /** | |
2397 | * This routine BFA callback for bfa_rport_online() call. | |
2398 | * | |
2399 | * param[in] cb_arg - rport struct. | |
2400 | * | |
2401 | * return | |
2402 | * void | |
2403 | * | |
2404 | * Special Considerations: | |
2405 | * | |
2406 | * note | |
2407 | */ | |
2408 | void | |
2409 | bfa_cb_rport_online(void *cbarg) | |
2410 | { | |
2411 | ||
2412 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
2413 | ||
2414 | bfa_trc(rport->fcs, rport->pwwn); | |
2415 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); | |
2416 | } | |
2417 | ||
2418 | /** | |
2419 | * This routine BFA callback for bfa_rport_offline() call. | |
2420 | * | |
2421 | * param[in] rport - | |
2422 | * | |
2423 | * return | |
2424 | * void | |
2425 | * | |
2426 | * Special Considerations: | |
2427 | * | |
2428 | * note | |
2429 | */ | |
2430 | void | |
2431 | bfa_cb_rport_offline(void *cbarg) | |
2432 | { | |
2433 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
2434 | ||
2435 | bfa_trc(rport->fcs, rport->pwwn); | |
2436 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); | |
2437 | } | |
2438 | ||
2439 | /** | |
2440 | * This routine is a static BFA callback when there is a QoS flow_id | |
2441 | * change notification | |
2442 | * | |
2443 | * @param[in] rport - | |
2444 | * | |
2445 | * @return void | |
2446 | * | |
2447 | * Special Considerations: | |
2448 | * | |
2449 | * @note | |
2450 | */ | |
2451 | void | |
2452 | bfa_cb_rport_qos_scn_flowid(void *cbarg, | |
2453 | struct bfa_rport_qos_attr_s old_qos_attr, | |
2454 | struct bfa_rport_qos_attr_s new_qos_attr) | |
2455 | { | |
2456 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
2457 | struct bfa_rport_aen_data_s aen_data; | |
2458 | ||
2459 | bfa_trc(rport->fcs, rport->pwwn); | |
2460 | aen_data.priv.qos = new_qos_attr; | |
2461 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data); | |
2462 | } | |
2463 | ||
2464 | /** | |
2465 | * This routine is a static BFA callback when there is a QoS priority | |
2466 | * change notification | |
2467 | * | |
2468 | * @param[in] rport - | |
2469 | * | |
2470 | * @return void | |
2471 | * | |
2472 | * Special Considerations: | |
2473 | * | |
2474 | * @note | |
2475 | */ | |
2476 | void | |
2477 | bfa_cb_rport_qos_scn_prio(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr, | |
2478 | struct bfa_rport_qos_attr_s new_qos_attr) | |
2479 | { | |
2480 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
2481 | struct bfa_rport_aen_data_s aen_data; | |
2482 | ||
2483 | bfa_trc(rport->fcs, rport->pwwn); | |
2484 | aen_data.priv.qos = new_qos_attr; | |
2485 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data); | |
2486 | } | |
2487 | ||
2488 | /** | |
2489 | * Called to process any unsolicted frames from this remote port | |
2490 | */ | |
2491 | void | |
2492 | bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport) | |
2493 | { | |
2494 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); | |
2495 | } | |
2496 | ||
2497 | /** | |
2498 | * Called to process any unsolicted frames from this remote port | |
2499 | */ | |
2500 | void | |
2501 | bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, | |
2502 | u16 len) | |
2503 | { | |
2504 | struct bfa_fcs_port_s *port = rport->port; | |
2505 | struct fc_els_cmd_s *els_cmd; | |
2506 | ||
2507 | bfa_trc(rport->fcs, fchs->s_id); | |
2508 | bfa_trc(rport->fcs, fchs->d_id); | |
2509 | bfa_trc(rport->fcs, fchs->type); | |
2510 | ||
2511 | if (fchs->type != FC_TYPE_ELS) | |
2512 | return; | |
2513 | ||
2514 | els_cmd = (struct fc_els_cmd_s *) (fchs + 1); | |
2515 | ||
2516 | bfa_trc(rport->fcs, els_cmd->els_code); | |
2517 | ||
2518 | switch (els_cmd->els_code) { | |
2519 | case FC_ELS_LOGO: | |
2520 | bfa_fcs_rport_process_logo(rport, fchs); | |
2521 | break; | |
2522 | ||
2523 | case FC_ELS_ADISC: | |
2524 | bfa_fcs_rport_process_adisc(rport, fchs, len); | |
2525 | break; | |
2526 | ||
2527 | case FC_ELS_PRLO: | |
2528 | if (bfa_fcs_port_is_initiator(port)) | |
2529 | bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); | |
2530 | ||
2531 | if (bfa_fcs_port_is_target(port)) | |
2532 | bfa_fcs_fcptm_uf_recv(rport->tin, fchs, len); | |
2533 | break; | |
2534 | ||
2535 | case FC_ELS_PRLI: | |
2536 | bfa_fcs_rport_process_prli(rport, fchs, len); | |
2537 | break; | |
2538 | ||
2539 | case FC_ELS_RPSC: | |
2540 | bfa_fcs_rport_process_rpsc(rport, fchs, len); | |
2541 | break; | |
2542 | ||
2543 | default: | |
2544 | bfa_fcs_rport_send_ls_rjt(rport, fchs, | |
2545 | FC_LS_RJT_RSN_CMD_NOT_SUPP, | |
2546 | FC_LS_RJT_EXP_NO_ADDL_INFO); | |
2547 | break; | |
2548 | } | |
2549 | } | |
2550 | ||
2551 | /* | |
2552 | * Send a LS reject | |
2553 | */ | |
2554 | static void | |
2555 | bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, | |
2556 | u8 reason_code, u8 reason_code_expl) | |
2557 | { | |
2558 | struct bfa_fcs_port_s *port = rport->port; | |
2559 | struct fchs_s fchs; | |
2560 | struct bfa_fcxp_s *fcxp; | |
2561 | int len; | |
2562 | ||
2563 | bfa_trc(rport->fcs, rx_fchs->s_id); | |
2564 | ||
2565 | fcxp = bfa_fcs_fcxp_alloc(rport->fcs); | |
2566 | if (!fcxp) | |
2567 | return; | |
2568 | ||
2569 | len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, | |
2570 | bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, | |
2571 | reason_code, reason_code_expl); | |
2572 | ||
2573 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
2574 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | |
2575 | } | |
2576 | ||
2577 | /** | |
2578 | * Module initialization | |
2579 | */ | |
2580 | void | |
2581 | bfa_fcs_rport_modinit(struct bfa_fcs_s *fcs) | |
2582 | { | |
2583 | } | |
2584 | ||
2585 | /** | |
2586 | * Module cleanup | |
2587 | */ | |
2588 | void | |
2589 | bfa_fcs_rport_modexit(struct bfa_fcs_s *fcs) | |
2590 | { | |
2591 | bfa_fcs_modexit_comp(fcs); | |
2592 | } | |
2593 | ||
2594 | /** | |
2595 | * Return state of rport. | |
2596 | */ | |
2597 | int | |
2598 | bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) | |
2599 | { | |
2600 | return bfa_sm_to_state(rport_sm_table, rport->sm); | |
2601 | } | |
2602 | ||
2603 | /** | |
2604 | * Called by the Driver to set rport delete/ageout timeout | |
2605 | * | |
2606 | * param[in] rport timeout value in seconds. | |
2607 | * | |
2608 | * return None | |
2609 | */ | |
2610 | void | |
2611 | bfa_fcs_rport_set_del_timeout(u8 rport_tmo) | |
2612 | { | |
2613 | /* | |
2614 | * convert to Millisecs | |
2615 | */ | |
2616 | if (rport_tmo > 0) | |
2617 | bfa_fcs_rport_del_timeout = rport_tmo * 1000; | |
2618 | } |