Commit | Line | Data |
---|---|---|
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 | * rport.c Remote port implementation. |
20 | */ | |
21 | ||
f16a1750 | 22 | #include "bfad_drv.h" |
7826f304 | 23 | #include "bfad_im.h" |
a36c61f9 KG |
24 | #include "bfa_fcs.h" |
25 | #include "bfa_fcbuild.h" | |
7725ccfd JH |
26 | |
27 | BFA_TRC_FILE(FCS, RPORT); | |
28 | ||
a36c61f9 KG |
29 | static u32 |
30 | bfa_fcs_rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; | |
31 | /* In millisecs */ | |
7725ccfd JH |
32 | /* |
33 | * forward declarations | |
34 | */ | |
a36c61f9 KG |
35 | static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc( |
36 | struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid); | |
37 | static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); | |
38 | static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); | |
39 | static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport); | |
40 | static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport); | |
41 | static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, | |
42 | struct fc_logi_s *plogi); | |
43 | static void bfa_fcs_rport_timeout(void *arg); | |
44 | static void bfa_fcs_rport_send_plogi(void *rport_cbarg, | |
7725ccfd | 45 | struct bfa_fcxp_s *fcxp_alloced); |
a36c61f9 KG |
46 | static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, |
47 | struct bfa_fcxp_s *fcxp_alloced); | |
48 | static void bfa_fcs_rport_plogi_response(void *fcsarg, | |
49 | struct bfa_fcxp_s *fcxp, void *cbarg, | |
50 | bfa_status_t req_status, u32 rsp_len, | |
51 | u32 resid_len, struct fchs_s *rsp_fchs); | |
52 | static void bfa_fcs_rport_send_adisc(void *rport_cbarg, | |
7725ccfd | 53 | struct bfa_fcxp_s *fcxp_alloced); |
a36c61f9 KG |
54 | static void bfa_fcs_rport_adisc_response(void *fcsarg, |
55 | struct bfa_fcxp_s *fcxp, void *cbarg, | |
56 | bfa_status_t req_status, u32 rsp_len, | |
57 | u32 resid_len, struct fchs_s *rsp_fchs); | |
58 | static void bfa_fcs_rport_send_nsdisc(void *rport_cbarg, | |
7725ccfd | 59 | struct bfa_fcxp_s *fcxp_alloced); |
a36c61f9 KG |
60 | static void bfa_fcs_rport_gidpn_response(void *fcsarg, |
61 | struct bfa_fcxp_s *fcxp, void *cbarg, | |
62 | bfa_status_t req_status, u32 rsp_len, | |
63 | u32 resid_len, struct fchs_s *rsp_fchs); | |
64 | static void bfa_fcs_rport_gpnid_response(void *fcsarg, | |
65 | struct bfa_fcxp_s *fcxp, void *cbarg, | |
66 | bfa_status_t req_status, u32 rsp_len, | |
67 | u32 resid_len, struct fchs_s *rsp_fchs); | |
68 | static void bfa_fcs_rport_send_logo(void *rport_cbarg, | |
7725ccfd | 69 | struct bfa_fcxp_s *fcxp_alloced); |
a36c61f9 KG |
70 | static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); |
71 | static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, | |
72 | struct fchs_s *rx_fchs, u16 len); | |
73 | static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, | |
74 | struct fchs_s *rx_fchs, u8 reason_code, | |
75 | u8 reason_code_expl); | |
76 | static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, | |
77 | struct fchs_s *rx_fchs, u16 len); | |
78 | static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport); | |
7725ccfd | 79 | |
a36c61f9 | 80 | static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, |
7725ccfd | 81 | enum rport_event event); |
a36c61f9 KG |
82 | static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, |
83 | enum rport_event event); | |
84 | static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 85 | enum rport_event event); |
a36c61f9 KG |
86 | static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, |
87 | enum rport_event event); | |
88 | static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 89 | enum rport_event event); |
a36c61f9 KG |
90 | static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, |
91 | enum rport_event event); | |
92 | static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, | |
93 | enum rport_event event); | |
94 | static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 95 | enum rport_event event); |
a36c61f9 | 96 | static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, |
7725ccfd | 97 | enum rport_event event); |
a36c61f9 KG |
98 | static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, |
99 | enum rport_event event); | |
100 | static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, | |
101 | enum rport_event event); | |
102 | static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, | |
103 | enum rport_event event); | |
104 | static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, | |
105 | enum rport_event event); | |
106 | static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, | |
107 | enum rport_event event); | |
108 | static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, | |
109 | enum rport_event event); | |
110 | static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, | |
111 | enum rport_event event); | |
112 | static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, | |
113 | enum rport_event event); | |
114 | static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, | |
115 | enum rport_event event); | |
116 | static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 117 | enum rport_event event); |
a36c61f9 KG |
118 | static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, |
119 | enum rport_event event); | |
120 | static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, | |
121 | enum rport_event event); | |
122 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
123 | enum rport_event event); | |
124 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 125 | enum rport_event event); |
7725ccfd JH |
126 | |
127 | static struct bfa_sm_table_s rport_sm_table[] = { | |
128 | {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, | |
129 | {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, | |
130 | {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, | |
131 | {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, | |
132 | {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, | |
133 | {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, | |
134 | {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, | |
135 | {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, | |
136 | {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, | |
137 | {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, | |
138 | {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, | |
139 | {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, | |
140 | {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, | |
141 | {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, | |
142 | {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, | |
143 | {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, | |
144 | {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, | |
145 | {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, | |
146 | {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, | |
147 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, | |
148 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, | |
149 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, | |
150 | }; | |
151 | ||
5fbe25c7 | 152 | /* |
a36c61f9 | 153 | * Beginning state. |
7725ccfd JH |
154 | */ |
155 | static void | |
156 | bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
157 | { | |
158 | bfa_trc(rport->fcs, rport->pwwn); | |
159 | bfa_trc(rport->fcs, rport->pid); | |
160 | bfa_trc(rport->fcs, event); | |
161 | ||
162 | switch (event) { | |
163 | case RPSM_EVENT_PLOGI_SEND: | |
164 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
165 | rport->plogi_retries = 0; | |
166 | bfa_fcs_rport_send_plogi(rport, NULL); | |
167 | break; | |
168 | ||
169 | case RPSM_EVENT_PLOGI_RCVD: | |
170 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
171 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
172 | break; | |
173 | ||
174 | case RPSM_EVENT_PLOGI_COMP: | |
175 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
176 | bfa_fcs_rport_hal_online(rport); | |
177 | break; | |
178 | ||
179 | case RPSM_EVENT_ADDRESS_CHANGE: | |
180 | case RPSM_EVENT_ADDRESS_DISC: | |
181 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
182 | rport->ns_retries = 0; | |
a36c61f9 | 183 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd | 184 | break; |
7725ccfd | 185 | default: |
e641de37 | 186 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
187 | } |
188 | } | |
189 | ||
5fbe25c7 | 190 | /* |
a36c61f9 | 191 | * PLOGI is being sent. |
7725ccfd JH |
192 | */ |
193 | static void | |
194 | bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 195 | enum rport_event event) |
7725ccfd JH |
196 | { |
197 | bfa_trc(rport->fcs, rport->pwwn); | |
198 | bfa_trc(rport->fcs, rport->pid); | |
199 | bfa_trc(rport->fcs, event); | |
200 | ||
201 | switch (event) { | |
202 | case RPSM_EVENT_FCXP_SENT: | |
203 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); | |
204 | break; | |
205 | ||
206 | case RPSM_EVENT_DELETE: | |
207 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
208 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
209 | bfa_fcs_rport_free(rport); | |
210 | break; | |
211 | ||
212 | case RPSM_EVENT_PLOGI_RCVD: | |
213 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
214 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
215 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
216 | break; | |
217 | ||
218 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 KG |
219 | case RPSM_EVENT_SCN: |
220 | /* query the NS */ | |
7725ccfd JH |
221 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
222 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
223 | rport->ns_retries = 0; | |
a36c61f9 | 224 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
225 | break; |
226 | ||
227 | case RPSM_EVENT_LOGO_IMP: | |
228 | rport->pid = 0; | |
229 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
230 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
231 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
232 | bfa_fcs_rport_timeout, rport, | |
233 | bfa_fcs_rport_del_timeout); | |
234 | break; | |
235 | ||
7725ccfd JH |
236 | |
237 | default: | |
e641de37 | 238 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
239 | } |
240 | } | |
241 | ||
5fbe25c7 | 242 | /* |
a36c61f9 | 243 | * PLOGI is being sent. |
7725ccfd JH |
244 | */ |
245 | static void | |
246 | bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 247 | enum rport_event event) |
7725ccfd JH |
248 | { |
249 | bfa_trc(rport->fcs, rport->pwwn); | |
250 | bfa_trc(rport->fcs, rport->pid); | |
251 | bfa_trc(rport->fcs, event); | |
252 | ||
253 | switch (event) { | |
254 | case RPSM_EVENT_FCXP_SENT: | |
255 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
256 | bfa_fcs_rport_hal_online(rport); | |
257 | break; | |
258 | ||
259 | case RPSM_EVENT_DELETE: | |
260 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
261 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
262 | bfa_fcs_rport_free(rport); | |
263 | break; | |
264 | ||
a36c61f9 | 265 | case RPSM_EVENT_PLOGI_RCVD: |
d7be54cc | 266 | case RPSM_EVENT_PLOGI_COMP: |
7725ccfd | 267 | case RPSM_EVENT_SCN: |
5fbe25c7 | 268 | /* |
7725ccfd JH |
269 | * Ignore, SCN is possibly online notification. |
270 | */ | |
271 | break; | |
272 | ||
273 | case RPSM_EVENT_ADDRESS_CHANGE: | |
274 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
275 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
276 | rport->ns_retries = 0; | |
a36c61f9 | 277 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
278 | break; |
279 | ||
280 | case RPSM_EVENT_LOGO_IMP: | |
281 | rport->pid = 0; | |
282 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
283 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
284 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
285 | bfa_fcs_rport_timeout, rport, | |
286 | bfa_fcs_rport_del_timeout); | |
287 | break; | |
288 | ||
289 | case RPSM_EVENT_HCB_OFFLINE: | |
5fbe25c7 | 290 | /* |
7725ccfd JH |
291 | * Ignore BFA callback, on a PLOGI receive we call bfa offline. |
292 | */ | |
293 | break; | |
294 | ||
295 | default: | |
e641de37 | 296 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
297 | } |
298 | } | |
299 | ||
5fbe25c7 | 300 | /* |
a36c61f9 | 301 | * PLOGI is sent. |
7725ccfd JH |
302 | */ |
303 | static void | |
304 | bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, | |
305 | enum rport_event event) | |
306 | { | |
307 | bfa_trc(rport->fcs, rport->pwwn); | |
308 | bfa_trc(rport->fcs, rport->pid); | |
309 | bfa_trc(rport->fcs, event); | |
310 | ||
311 | switch (event) { | |
7725ccfd | 312 | case RPSM_EVENT_TIMEOUT: |
a36c61f9 KG |
313 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
314 | bfa_fcs_rport_send_plogi(rport, NULL); | |
7725ccfd JH |
315 | break; |
316 | ||
317 | case RPSM_EVENT_DELETE: | |
318 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
319 | bfa_timer_stop(&rport->timer); | |
320 | bfa_fcs_rport_free(rport); | |
321 | break; | |
322 | ||
4b5e759d | 323 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
324 | case RPSM_EVENT_LOGO_RCVD: |
325 | break; | |
326 | ||
327 | case RPSM_EVENT_PLOGI_RCVD: | |
328 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
329 | bfa_timer_stop(&rport->timer); | |
330 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
331 | break; | |
332 | ||
333 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 334 | case RPSM_EVENT_SCN: |
7725ccfd JH |
335 | bfa_timer_stop(&rport->timer); |
336 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
337 | rport->ns_retries = 0; | |
a36c61f9 | 338 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
339 | break; |
340 | ||
341 | case RPSM_EVENT_LOGO_IMP: | |
342 | rport->pid = 0; | |
343 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
344 | bfa_timer_stop(&rport->timer); | |
345 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
346 | bfa_fcs_rport_timeout, rport, | |
347 | bfa_fcs_rport_del_timeout); | |
348 | break; | |
349 | ||
350 | case RPSM_EVENT_PLOGI_COMP: | |
351 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
352 | bfa_timer_stop(&rport->timer); | |
353 | bfa_fcs_rport_hal_online(rport); | |
354 | break; | |
355 | ||
356 | default: | |
e641de37 | 357 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
358 | } |
359 | } | |
360 | ||
5fbe25c7 | 361 | /* |
a36c61f9 | 362 | * PLOGI is sent. |
7725ccfd JH |
363 | */ |
364 | static void | |
365 | bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
366 | { | |
367 | bfa_trc(rport->fcs, rport->pwwn); | |
368 | bfa_trc(rport->fcs, rport->pid); | |
369 | bfa_trc(rport->fcs, event); | |
370 | ||
371 | switch (event) { | |
372 | case RPSM_EVENT_ACCEPTED: | |
373 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
374 | rport->plogi_retries = 0; | |
375 | bfa_fcs_rport_hal_online(rport); | |
376 | break; | |
377 | ||
378 | case RPSM_EVENT_LOGO_RCVD: | |
379 | bfa_fcs_rport_send_logo_acc(rport); | |
4b5e759d JH |
380 | /* |
381 | * !! fall through !! | |
382 | */ | |
383 | case RPSM_EVENT_PRLO_RCVD: | |
384 | if (rport->prlo == BFA_TRUE) | |
385 | bfa_fcs_rport_send_prlo_acc(rport); | |
386 | ||
7725ccfd JH |
387 | bfa_fcxp_discard(rport->fcxp); |
388 | /* | |
389 | * !! fall through !! | |
390 | */ | |
391 | case RPSM_EVENT_FAILED: | |
a36c61f9 KG |
392 | if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
393 | rport->plogi_retries++; | |
394 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); | |
395 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
396 | bfa_fcs_rport_timeout, rport, | |
397 | BFA_FCS_RETRY_TIMEOUT); | |
398 | } else { | |
399 | bfa_stats(rport->port, rport_del_max_plogi_retry); | |
400 | rport->pid = 0; | |
401 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
402 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
403 | bfa_fcs_rport_timeout, rport, | |
404 | bfa_fcs_rport_del_timeout); | |
405 | } | |
406 | break; | |
407 | ||
408 | case RPSM_EVENT_PLOGI_RETRY: | |
409 | rport->plogi_retries = 0; | |
7725ccfd JH |
410 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); |
411 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
412 | bfa_fcs_rport_timeout, rport, | |
a36c61f9 | 413 | (FC_RA_TOV * 1000)); |
7725ccfd JH |
414 | break; |
415 | ||
416 | case RPSM_EVENT_LOGO_IMP: | |
417 | rport->pid = 0; | |
418 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
419 | bfa_fcxp_discard(rport->fcxp); | |
420 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
421 | bfa_fcs_rport_timeout, rport, | |
422 | bfa_fcs_rport_del_timeout); | |
423 | break; | |
424 | ||
425 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 426 | case RPSM_EVENT_SCN: |
7725ccfd JH |
427 | bfa_fcxp_discard(rport->fcxp); |
428 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
429 | rport->ns_retries = 0; | |
a36c61f9 | 430 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
431 | break; |
432 | ||
433 | case RPSM_EVENT_PLOGI_RCVD: | |
434 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
435 | bfa_fcxp_discard(rport->fcxp); | |
436 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
437 | break; | |
438 | ||
7725ccfd JH |
439 | case RPSM_EVENT_DELETE: |
440 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
441 | bfa_fcxp_discard(rport->fcxp); | |
442 | bfa_fcs_rport_free(rport); | |
443 | break; | |
444 | ||
445 | case RPSM_EVENT_PLOGI_COMP: | |
446 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
447 | bfa_fcxp_discard(rport->fcxp); | |
448 | bfa_fcs_rport_hal_online(rport); | |
449 | break; | |
450 | ||
451 | default: | |
e641de37 | 452 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
453 | } |
454 | } | |
455 | ||
5fbe25c7 | 456 | /* |
a36c61f9 KG |
457 | * PLOGI is complete. Awaiting BFA rport online callback. FC-4s |
458 | * are offline. | |
7725ccfd JH |
459 | */ |
460 | static void | |
461 | bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, | |
462 | enum rport_event event) | |
463 | { | |
464 | bfa_trc(rport->fcs, rport->pwwn); | |
465 | bfa_trc(rport->fcs, rport->pid); | |
466 | bfa_trc(rport->fcs, event); | |
467 | ||
468 | switch (event) { | |
469 | case RPSM_EVENT_HCB_ONLINE: | |
470 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); | |
471 | bfa_fcs_rport_online_action(rport); | |
472 | break; | |
473 | ||
4b5e759d | 474 | case RPSM_EVENT_PRLO_RCVD: |
d7be54cc | 475 | case RPSM_EVENT_PLOGI_COMP: |
4b5e759d JH |
476 | break; |
477 | ||
7725ccfd JH |
478 | case RPSM_EVENT_LOGO_RCVD: |
479 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); | |
f7f73812 | 480 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
481 | break; |
482 | ||
483 | case RPSM_EVENT_LOGO_IMP: | |
484 | case RPSM_EVENT_ADDRESS_CHANGE: | |
485 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
f7f73812 | 486 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
487 | break; |
488 | ||
489 | case RPSM_EVENT_PLOGI_RCVD: | |
d7be54cc KG |
490 | rport->plogi_pending = BFA_TRUE; |
491 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
f7f73812 | 492 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
493 | break; |
494 | ||
495 | case RPSM_EVENT_DELETE: | |
496 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
f7f73812 | 497 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
498 | break; |
499 | ||
500 | case RPSM_EVENT_SCN: | |
5fbe25c7 | 501 | /* |
7725ccfd JH |
502 | * @todo |
503 | * Ignore SCN - PLOGI just completed, FC-4 login should detect | |
504 | * device failures. | |
505 | */ | |
506 | break; | |
507 | ||
508 | default: | |
e641de37 | 509 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
510 | } |
511 | } | |
512 | ||
5fbe25c7 | 513 | /* |
a36c61f9 | 514 | * Rport is ONLINE. FC-4s active. |
7725ccfd JH |
515 | */ |
516 | static void | |
517 | bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
518 | { | |
519 | bfa_trc(rport->fcs, rport->pwwn); | |
520 | bfa_trc(rport->fcs, rport->pid); | |
521 | bfa_trc(rport->fcs, event); | |
522 | ||
523 | switch (event) { | |
524 | case RPSM_EVENT_SCN: | |
7725ccfd JH |
525 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
526 | bfa_sm_set_state(rport, | |
527 | bfa_fcs_rport_sm_nsquery_sending); | |
528 | rport->ns_retries = 0; | |
a36c61f9 | 529 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
530 | } else { |
531 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); | |
532 | bfa_fcs_rport_send_adisc(rport, NULL); | |
533 | } | |
534 | break; | |
535 | ||
536 | case RPSM_EVENT_PLOGI_RCVD: | |
537 | case RPSM_EVENT_LOGO_IMP: | |
538 | case RPSM_EVENT_ADDRESS_CHANGE: | |
539 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
540 | bfa_fcs_rport_offline_action(rport); | |
541 | break; | |
542 | ||
543 | case RPSM_EVENT_DELETE: | |
544 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
545 | bfa_fcs_rport_offline_action(rport); | |
546 | break; | |
547 | ||
548 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 549 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
550 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
551 | bfa_fcs_rport_offline_action(rport); | |
552 | break; | |
553 | ||
554 | case RPSM_EVENT_PLOGI_COMP: | |
555 | break; | |
556 | ||
557 | default: | |
e641de37 | 558 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
559 | } |
560 | } | |
561 | ||
5fbe25c7 | 562 | /* |
a36c61f9 KG |
563 | * An SCN event is received in ONLINE state. NS query is being sent |
564 | * prior to ADISC authentication with rport. FC-4s are paused. | |
7725ccfd JH |
565 | */ |
566 | static void | |
567 | bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 568 | enum rport_event event) |
7725ccfd JH |
569 | { |
570 | bfa_trc(rport->fcs, rport->pwwn); | |
571 | bfa_trc(rport->fcs, rport->pid); | |
572 | bfa_trc(rport->fcs, event); | |
573 | ||
574 | switch (event) { | |
575 | case RPSM_EVENT_FCXP_SENT: | |
576 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); | |
577 | break; | |
578 | ||
579 | case RPSM_EVENT_DELETE: | |
580 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
581 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
582 | bfa_fcs_rport_offline_action(rport); | |
583 | break; | |
584 | ||
585 | case RPSM_EVENT_SCN: | |
5fbe25c7 | 586 | /* |
7725ccfd JH |
587 | * ignore SCN, wait for response to query itself |
588 | */ | |
589 | break; | |
590 | ||
591 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 592 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
593 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
594 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
595 | bfa_fcs_rport_offline_action(rport); | |
596 | break; | |
597 | ||
598 | case RPSM_EVENT_LOGO_IMP: | |
599 | rport->pid = 0; | |
600 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
601 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
602 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
603 | bfa_fcs_rport_timeout, rport, | |
604 | bfa_fcs_rport_del_timeout); | |
605 | break; | |
606 | ||
607 | case RPSM_EVENT_PLOGI_RCVD: | |
608 | case RPSM_EVENT_ADDRESS_CHANGE: | |
609 | case RPSM_EVENT_PLOGI_COMP: | |
610 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
611 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
612 | bfa_fcs_rport_offline_action(rport); | |
613 | break; | |
614 | ||
615 | default: | |
e641de37 | 616 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
617 | } |
618 | } | |
619 | ||
5fbe25c7 | 620 | /* |
a36c61f9 KG |
621 | * An SCN event is received in ONLINE state. NS query is sent to rport. |
622 | * FC-4s are paused. | |
7725ccfd JH |
623 | */ |
624 | static void | |
625 | bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
626 | { | |
627 | bfa_trc(rport->fcs, rport->pwwn); | |
628 | bfa_trc(rport->fcs, rport->pid); | |
629 | bfa_trc(rport->fcs, event); | |
630 | ||
631 | switch (event) { | |
632 | case RPSM_EVENT_ACCEPTED: | |
633 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); | |
634 | bfa_fcs_rport_send_adisc(rport, NULL); | |
635 | break; | |
636 | ||
637 | case RPSM_EVENT_FAILED: | |
638 | rport->ns_retries++; | |
639 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
640 | bfa_sm_set_state(rport, | |
641 | bfa_fcs_rport_sm_nsquery_sending); | |
a36c61f9 | 642 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
643 | } else { |
644 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
645 | bfa_fcs_rport_offline_action(rport); | |
646 | } | |
647 | break; | |
648 | ||
649 | case RPSM_EVENT_DELETE: | |
650 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
651 | bfa_fcxp_discard(rport->fcxp); | |
652 | bfa_fcs_rport_offline_action(rport); | |
653 | break; | |
654 | ||
655 | case RPSM_EVENT_SCN: | |
656 | break; | |
657 | ||
658 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 659 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
660 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
661 | bfa_fcxp_discard(rport->fcxp); | |
662 | bfa_fcs_rport_offline_action(rport); | |
663 | break; | |
664 | ||
665 | case RPSM_EVENT_PLOGI_COMP: | |
666 | case RPSM_EVENT_ADDRESS_CHANGE: | |
667 | case RPSM_EVENT_PLOGI_RCVD: | |
668 | case RPSM_EVENT_LOGO_IMP: | |
669 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
670 | bfa_fcxp_discard(rport->fcxp); | |
671 | bfa_fcs_rport_offline_action(rport); | |
672 | break; | |
673 | ||
674 | default: | |
e641de37 | 675 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
676 | } |
677 | } | |
678 | ||
5fbe25c7 | 679 | /* |
a36c61f9 KG |
680 | * An SCN event is received in ONLINE state. ADISC is being sent for |
681 | * authenticating with rport. FC-4s are paused. | |
7725ccfd JH |
682 | */ |
683 | static void | |
684 | bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 685 | enum rport_event event) |
7725ccfd JH |
686 | { |
687 | bfa_trc(rport->fcs, rport->pwwn); | |
688 | bfa_trc(rport->fcs, rport->pid); | |
689 | bfa_trc(rport->fcs, event); | |
690 | ||
691 | switch (event) { | |
692 | case RPSM_EVENT_FCXP_SENT: | |
693 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc); | |
694 | break; | |
695 | ||
696 | case RPSM_EVENT_DELETE: | |
697 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
698 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
699 | bfa_fcs_rport_offline_action(rport); | |
700 | break; | |
701 | ||
702 | case RPSM_EVENT_LOGO_IMP: | |
703 | case RPSM_EVENT_ADDRESS_CHANGE: | |
704 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
705 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
706 | bfa_fcs_rport_offline_action(rport); | |
707 | break; | |
708 | ||
709 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 710 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
711 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
712 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
713 | bfa_fcs_rport_offline_action(rport); | |
714 | break; | |
715 | ||
716 | case RPSM_EVENT_SCN: | |
717 | break; | |
718 | ||
719 | case RPSM_EVENT_PLOGI_RCVD: | |
720 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
721 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
722 | bfa_fcs_rport_offline_action(rport); | |
723 | break; | |
724 | ||
725 | default: | |
e641de37 | 726 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
727 | } |
728 | } | |
729 | ||
5fbe25c7 | 730 | /* |
a36c61f9 KG |
731 | * An SCN event is received in ONLINE state. ADISC is to rport. |
732 | * FC-4s are paused. | |
7725ccfd JH |
733 | */ |
734 | static void | |
735 | bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
736 | { | |
737 | bfa_trc(rport->fcs, rport->pwwn); | |
738 | bfa_trc(rport->fcs, rport->pid); | |
739 | bfa_trc(rport->fcs, event); | |
740 | ||
741 | switch (event) { | |
742 | case RPSM_EVENT_ACCEPTED: | |
743 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); | |
7725ccfd JH |
744 | break; |
745 | ||
746 | case RPSM_EVENT_PLOGI_RCVD: | |
5fbe25c7 | 747 | /* |
7725ccfd JH |
748 | * Too complex to cleanup FC-4 & rport and then acc to PLOGI. |
749 | * At least go offline when a PLOGI is received. | |
750 | */ | |
751 | bfa_fcxp_discard(rport->fcxp); | |
752 | /* | |
753 | * !!! fall through !!! | |
754 | */ | |
755 | ||
756 | case RPSM_EVENT_FAILED: | |
757 | case RPSM_EVENT_ADDRESS_CHANGE: | |
758 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
759 | bfa_fcs_rport_offline_action(rport); | |
760 | break; | |
761 | ||
762 | case RPSM_EVENT_DELETE: | |
763 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
764 | bfa_fcxp_discard(rport->fcxp); | |
765 | bfa_fcs_rport_offline_action(rport); | |
766 | break; | |
767 | ||
768 | case RPSM_EVENT_SCN: | |
5fbe25c7 | 769 | /* |
7725ccfd JH |
770 | * already processing RSCN |
771 | */ | |
772 | break; | |
773 | ||
774 | case RPSM_EVENT_LOGO_IMP: | |
775 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
776 | bfa_fcxp_discard(rport->fcxp); | |
777 | bfa_fcs_rport_offline_action(rport); | |
778 | break; | |
779 | ||
780 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 781 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
782 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
783 | bfa_fcxp_discard(rport->fcxp); | |
784 | bfa_fcs_rport_offline_action(rport); | |
785 | break; | |
786 | ||
787 | default: | |
e641de37 | 788 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
789 | } |
790 | } | |
791 | ||
5fbe25c7 | 792 | /* |
a36c61f9 | 793 | * Rport has sent LOGO. Awaiting FC-4 offline completion callback. |
7725ccfd JH |
794 | */ |
795 | static void | |
796 | bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, | |
797 | enum rport_event event) | |
798 | { | |
799 | bfa_trc(rport->fcs, rport->pwwn); | |
800 | bfa_trc(rport->fcs, rport->pid); | |
801 | bfa_trc(rport->fcs, event); | |
802 | ||
803 | switch (event) { | |
804 | case RPSM_EVENT_FC4_OFFLINE: | |
805 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); | |
f7f73812 | 806 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
807 | break; |
808 | ||
809 | case RPSM_EVENT_DELETE: | |
810 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
811 | break; | |
812 | ||
813 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 814 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
815 | case RPSM_EVENT_ADDRESS_CHANGE: |
816 | break; | |
817 | ||
818 | default: | |
e641de37 | 819 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
820 | } |
821 | } | |
822 | ||
5fbe25c7 | 823 | /* |
a36c61f9 KG |
824 | * LOGO needs to be sent to rport. Awaiting FC-4 offline completion |
825 | * callback. | |
7725ccfd JH |
826 | */ |
827 | static void | |
828 | bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 829 | enum rport_event event) |
7725ccfd JH |
830 | { |
831 | bfa_trc(rport->fcs, rport->pwwn); | |
832 | bfa_trc(rport->fcs, rport->pid); | |
833 | bfa_trc(rport->fcs, event); | |
834 | ||
835 | switch (event) { | |
836 | case RPSM_EVENT_FC4_OFFLINE: | |
837 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
f7f73812 | 838 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
839 | break; |
840 | ||
841 | default: | |
e641de37 | 842 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
843 | } |
844 | } | |
845 | ||
5fbe25c7 | 846 | /* |
a36c61f9 | 847 | * Rport is going offline. Awaiting FC-4 offline completion callback. |
7725ccfd JH |
848 | */ |
849 | static void | |
850 | bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, | |
851 | enum rport_event event) | |
852 | { | |
853 | bfa_trc(rport->fcs, rport->pwwn); | |
854 | bfa_trc(rport->fcs, rport->pid); | |
855 | bfa_trc(rport->fcs, event); | |
856 | ||
857 | switch (event) { | |
858 | case RPSM_EVENT_FC4_OFFLINE: | |
859 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
f7f73812 | 860 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
861 | break; |
862 | ||
863 | case RPSM_EVENT_SCN: | |
864 | case RPSM_EVENT_LOGO_IMP: | |
865 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 866 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd | 867 | case RPSM_EVENT_ADDRESS_CHANGE: |
5fbe25c7 | 868 | /* |
7725ccfd JH |
869 | * rport is already going offline. |
870 | * SCN - ignore and wait till transitioning to offline state | |
871 | */ | |
872 | break; | |
873 | ||
874 | case RPSM_EVENT_DELETE: | |
875 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
876 | break; | |
877 | ||
878 | default: | |
e641de37 | 879 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
880 | } |
881 | } | |
882 | ||
5fbe25c7 | 883 | /* |
a36c61f9 KG |
884 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
885 | * callback. | |
7725ccfd JH |
886 | */ |
887 | static void | |
888 | bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 889 | enum rport_event event) |
7725ccfd JH |
890 | { |
891 | bfa_trc(rport->fcs, rport->pwwn); | |
892 | bfa_trc(rport->fcs, rport->pid); | |
893 | bfa_trc(rport->fcs, event); | |
894 | ||
895 | switch (event) { | |
896 | case RPSM_EVENT_HCB_OFFLINE: | |
d7be54cc KG |
897 | if (bfa_fcs_lport_is_online(rport->port) && |
898 | (rport->plogi_pending)) { | |
899 | rport->plogi_pending = BFA_FALSE; | |
900 | bfa_sm_set_state(rport, | |
901 | bfa_fcs_rport_sm_plogiacc_sending); | |
902 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
903 | break; | |
904 | } | |
905 | /* | |
906 | * !! fall through !! | |
907 | */ | |
908 | ||
7725ccfd | 909 | case RPSM_EVENT_ADDRESS_CHANGE: |
a36c61f9 | 910 | if (bfa_fcs_lport_is_online(rport->port)) { |
72041ed8 KG |
911 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
912 | bfa_sm_set_state(rport, | |
913 | bfa_fcs_rport_sm_nsdisc_sending); | |
914 | rport->ns_retries = 0; | |
a36c61f9 | 915 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
72041ed8 KG |
916 | } else { |
917 | bfa_sm_set_state(rport, | |
918 | bfa_fcs_rport_sm_plogi_sending); | |
919 | rport->plogi_retries = 0; | |
920 | bfa_fcs_rport_send_plogi(rport, NULL); | |
921 | } | |
7725ccfd JH |
922 | } else { |
923 | rport->pid = 0; | |
924 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
925 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
926 | bfa_fcs_rport_timeout, rport, | |
927 | bfa_fcs_rport_del_timeout); | |
928 | } | |
929 | break; | |
930 | ||
931 | case RPSM_EVENT_DELETE: | |
932 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
933 | bfa_fcs_rport_free(rport); | |
934 | break; | |
935 | ||
936 | case RPSM_EVENT_SCN: | |
937 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 938 | case RPSM_EVENT_PRLO_RCVD: |
d7be54cc KG |
939 | case RPSM_EVENT_PLOGI_RCVD: |
940 | case RPSM_EVENT_LOGO_IMP: | |
5fbe25c7 | 941 | /* |
7725ccfd JH |
942 | * Ignore, already offline. |
943 | */ | |
944 | break; | |
945 | ||
946 | default: | |
e641de37 | 947 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
948 | } |
949 | } | |
950 | ||
5fbe25c7 | 951 | /* |
a36c61f9 KG |
952 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
953 | * callback to send LOGO accept. | |
7725ccfd JH |
954 | */ |
955 | static void | |
956 | bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, | |
957 | enum rport_event event) | |
958 | { | |
959 | bfa_trc(rport->fcs, rport->pwwn); | |
960 | bfa_trc(rport->fcs, rport->pid); | |
961 | bfa_trc(rport->fcs, event); | |
962 | ||
963 | switch (event) { | |
964 | case RPSM_EVENT_HCB_OFFLINE: | |
965 | case RPSM_EVENT_ADDRESS_CHANGE: | |
4b5e759d JH |
966 | if (rport->pid && (rport->prlo == BFA_TRUE)) |
967 | bfa_fcs_rport_send_prlo_acc(rport); | |
968 | if (rport->pid && (rport->prlo == BFA_FALSE)) | |
7725ccfd JH |
969 | bfa_fcs_rport_send_logo_acc(rport); |
970 | /* | |
a36c61f9 KG |
971 | * If the lport is online and if the rport is not a well |
972 | * known address port, | |
973 | * we try to re-discover the r-port. | |
7725ccfd | 974 | */ |
a36c61f9 KG |
975 | if (bfa_fcs_lport_is_online(rport->port) && |
976 | (!BFA_FCS_PID_IS_WKA(rport->pid))) { | |
d7be54cc KG |
977 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
978 | bfa_sm_set_state(rport, | |
979 | bfa_fcs_rport_sm_nsdisc_sending); | |
980 | rport->ns_retries = 0; | |
981 | bfa_fcs_rport_send_nsdisc(rport, NULL); | |
982 | } else { | |
983 | /* For N2N Direct Attach, try to re-login */ | |
984 | bfa_sm_set_state(rport, | |
985 | bfa_fcs_rport_sm_plogi_sending); | |
986 | rport->plogi_retries = 0; | |
987 | bfa_fcs_rport_send_plogi(rport, NULL); | |
988 | } | |
7725ccfd JH |
989 | } else { |
990 | /* | |
a36c61f9 KG |
991 | * if it is not a well known address, reset the |
992 | * pid to 0. | |
7725ccfd JH |
993 | */ |
994 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
995 | rport->pid = 0; | |
996 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
997 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
998 | bfa_fcs_rport_timeout, rport, | |
999 | bfa_fcs_rport_del_timeout); | |
1000 | } | |
1001 | break; | |
1002 | ||
1003 | case RPSM_EVENT_DELETE: | |
1004 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
1005 | break; | |
1006 | ||
1007 | case RPSM_EVENT_LOGO_IMP: | |
1008 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
1009 | break; | |
1010 | ||
1011 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1012 | case RPSM_EVENT_PRLO_RCVD: |
5fbe25c7 | 1013 | /* |
7725ccfd JH |
1014 | * Ignore - already processing a LOGO. |
1015 | */ | |
1016 | break; | |
1017 | ||
1018 | default: | |
e641de37 | 1019 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1020 | } |
1021 | } | |
1022 | ||
5fbe25c7 | 1023 | /* |
a36c61f9 KG |
1024 | * Rport is being deleted. FC-4s are offline. |
1025 | * Awaiting BFA rport offline | |
1026 | * callback to send LOGO. | |
7725ccfd JH |
1027 | */ |
1028 | static void | |
1029 | bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1030 | enum rport_event event) |
7725ccfd JH |
1031 | { |
1032 | bfa_trc(rport->fcs, rport->pwwn); | |
1033 | bfa_trc(rport->fcs, rport->pid); | |
1034 | bfa_trc(rport->fcs, event); | |
1035 | ||
1036 | switch (event) { | |
1037 | case RPSM_EVENT_HCB_OFFLINE: | |
1038 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); | |
1039 | bfa_fcs_rport_send_logo(rport, NULL); | |
1040 | break; | |
1041 | ||
1042 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1043 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1044 | case RPSM_EVENT_ADDRESS_CHANGE: |
1045 | break; | |
1046 | ||
1047 | default: | |
e641de37 | 1048 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1049 | } |
1050 | } | |
1051 | ||
5fbe25c7 | 1052 | /* |
a36c61f9 | 1053 | * Rport is being deleted. FC-4s are offline. LOGO is being sent. |
7725ccfd JH |
1054 | */ |
1055 | static void | |
1056 | bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1057 | enum rport_event event) |
7725ccfd JH |
1058 | { |
1059 | bfa_trc(rport->fcs, rport->pwwn); | |
1060 | bfa_trc(rport->fcs, rport->pid); | |
1061 | bfa_trc(rport->fcs, event); | |
1062 | ||
1063 | switch (event) { | |
1064 | case RPSM_EVENT_FCXP_SENT: | |
a36c61f9 | 1065 | /* Once LOGO is sent, we donot wait for the response */ |
7725ccfd JH |
1066 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
1067 | bfa_fcs_rport_free(rport); | |
1068 | break; | |
1069 | ||
1070 | case RPSM_EVENT_SCN: | |
1071 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1072 | break; | |
1073 | ||
1074 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1075 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1076 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
1077 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1078 | bfa_fcs_rport_free(rport); | |
1079 | break; | |
1080 | ||
1081 | default: | |
e641de37 | 1082 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1083 | } |
1084 | } | |
1085 | ||
5fbe25c7 | 1086 | /* |
a36c61f9 KG |
1087 | * Rport is offline. FC-4s are offline. BFA rport is offline. |
1088 | * Timer active to delete stale rport. | |
7725ccfd JH |
1089 | */ |
1090 | static void | |
1091 | bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
1092 | { | |
1093 | bfa_trc(rport->fcs, rport->pwwn); | |
1094 | bfa_trc(rport->fcs, rport->pid); | |
1095 | bfa_trc(rport->fcs, event); | |
1096 | ||
1097 | switch (event) { | |
1098 | case RPSM_EVENT_TIMEOUT: | |
1099 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1100 | bfa_fcs_rport_free(rport); | |
1101 | break; | |
1102 | ||
1103 | case RPSM_EVENT_SCN: | |
1104 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1105 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1106 | bfa_timer_stop(&rport->timer); | |
1107 | rport->ns_retries = 0; | |
a36c61f9 | 1108 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1109 | break; |
1110 | ||
1111 | case RPSM_EVENT_DELETE: | |
1112 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1113 | bfa_timer_stop(&rport->timer); | |
1114 | bfa_fcs_rport_free(rport); | |
1115 | break; | |
1116 | ||
1117 | case RPSM_EVENT_PLOGI_RCVD: | |
1118 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1119 | bfa_timer_stop(&rport->timer); | |
1120 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1121 | break; | |
1122 | ||
1123 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1124 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1125 | case RPSM_EVENT_LOGO_IMP: |
1126 | break; | |
1127 | ||
1128 | case RPSM_EVENT_PLOGI_COMP: | |
1129 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1130 | bfa_timer_stop(&rport->timer); | |
1131 | bfa_fcs_rport_hal_online(rport); | |
1132 | break; | |
1133 | ||
1134 | case RPSM_EVENT_PLOGI_SEND: | |
1135 | bfa_timer_stop(&rport->timer); | |
1136 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
1137 | rport->plogi_retries = 0; | |
1138 | bfa_fcs_rport_send_plogi(rport, NULL); | |
1139 | break; | |
1140 | ||
1141 | default: | |
e641de37 | 1142 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1143 | } |
1144 | } | |
1145 | ||
5fbe25c7 | 1146 | /* |
a36c61f9 | 1147 | * Rport address has changed. Nameserver discovery request is being sent. |
7725ccfd JH |
1148 | */ |
1149 | static void | |
1150 | bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1151 | enum rport_event event) |
7725ccfd JH |
1152 | { |
1153 | bfa_trc(rport->fcs, rport->pwwn); | |
1154 | bfa_trc(rport->fcs, rport->pid); | |
1155 | bfa_trc(rport->fcs, event); | |
1156 | ||
1157 | switch (event) { | |
1158 | case RPSM_EVENT_FCXP_SENT: | |
1159 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); | |
1160 | break; | |
1161 | ||
1162 | case RPSM_EVENT_DELETE: | |
1163 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1164 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1165 | bfa_fcs_rport_free(rport); | |
1166 | break; | |
1167 | ||
1168 | case RPSM_EVENT_PLOGI_RCVD: | |
1169 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1170 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1171 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1172 | break; | |
1173 | ||
1174 | case RPSM_EVENT_SCN: | |
1175 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1176 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1177 | case RPSM_EVENT_PLOGI_SEND: |
1178 | break; | |
1179 | ||
1180 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 1181 | rport->ns_retries = 0; /* reset the retry count */ |
7725ccfd JH |
1182 | break; |
1183 | ||
1184 | case RPSM_EVENT_LOGO_IMP: | |
1185 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1186 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1187 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1188 | bfa_fcs_rport_timeout, rport, | |
1189 | bfa_fcs_rport_del_timeout); | |
1190 | break; | |
1191 | ||
1192 | case RPSM_EVENT_PLOGI_COMP: | |
1193 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1194 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1195 | bfa_fcs_rport_hal_online(rport); | |
1196 | break; | |
1197 | ||
1198 | default: | |
e641de37 | 1199 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1200 | } |
1201 | } | |
1202 | ||
5fbe25c7 | 1203 | /* |
a36c61f9 | 1204 | * Nameserver discovery failed. Waiting for timeout to retry. |
7725ccfd JH |
1205 | */ |
1206 | static void | |
1207 | bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1208 | enum rport_event event) |
7725ccfd JH |
1209 | { |
1210 | bfa_trc(rport->fcs, rport->pwwn); | |
1211 | bfa_trc(rport->fcs, rport->pid); | |
1212 | bfa_trc(rport->fcs, event); | |
1213 | ||
1214 | switch (event) { | |
1215 | case RPSM_EVENT_TIMEOUT: | |
1216 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
a36c61f9 | 1217 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1218 | break; |
1219 | ||
1220 | case RPSM_EVENT_SCN: | |
1221 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1222 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1223 | bfa_timer_stop(&rport->timer); | |
1224 | rport->ns_retries = 0; | |
a36c61f9 | 1225 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1226 | break; |
1227 | ||
1228 | case RPSM_EVENT_DELETE: | |
1229 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1230 | bfa_timer_stop(&rport->timer); | |
1231 | bfa_fcs_rport_free(rport); | |
1232 | break; | |
1233 | ||
1234 | case RPSM_EVENT_PLOGI_RCVD: | |
1235 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1236 | bfa_timer_stop(&rport->timer); | |
1237 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1238 | break; | |
1239 | ||
1240 | case RPSM_EVENT_LOGO_IMP: | |
1241 | rport->pid = 0; | |
1242 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1243 | bfa_timer_stop(&rport->timer); | |
1244 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1245 | bfa_fcs_rport_timeout, rport, | |
1246 | bfa_fcs_rport_del_timeout); | |
1247 | break; | |
1248 | ||
1249 | case RPSM_EVENT_LOGO_RCVD: | |
1250 | bfa_fcs_rport_send_logo_acc(rport); | |
1251 | break; | |
4b5e759d JH |
1252 | case RPSM_EVENT_PRLO_RCVD: |
1253 | bfa_fcs_rport_send_prlo_acc(rport); | |
1254 | break; | |
1255 | ||
7725ccfd JH |
1256 | case RPSM_EVENT_PLOGI_COMP: |
1257 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1258 | bfa_timer_stop(&rport->timer); | |
1259 | bfa_fcs_rport_hal_online(rport); | |
1260 | break; | |
1261 | ||
1262 | default: | |
e641de37 | 1263 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1264 | } |
1265 | } | |
1266 | ||
5fbe25c7 | 1267 | /* |
a36c61f9 | 1268 | * Rport address has changed. Nameserver discovery request is sent. |
7725ccfd JH |
1269 | */ |
1270 | static void | |
1271 | bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
1272 | enum rport_event event) | |
1273 | { | |
1274 | bfa_trc(rport->fcs, rport->pwwn); | |
1275 | bfa_trc(rport->fcs, rport->pid); | |
1276 | bfa_trc(rport->fcs, event); | |
1277 | ||
1278 | switch (event) { | |
1279 | case RPSM_EVENT_ACCEPTED: | |
1280 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1281 | if (rport->pid) { | |
1282 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
1283 | bfa_fcs_rport_send_plogi(rport, NULL); | |
1284 | } else { | |
1285 | bfa_sm_set_state(rport, | |
a36c61f9 | 1286 | bfa_fcs_rport_sm_nsdisc_sending); |
7725ccfd | 1287 | rport->ns_retries = 0; |
a36c61f9 | 1288 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1289 | } |
1290 | break; | |
1291 | ||
1292 | case RPSM_EVENT_FAILED: | |
1293 | rport->ns_retries++; | |
1294 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
1295 | bfa_sm_set_state(rport, | |
a36c61f9 KG |
1296 | bfa_fcs_rport_sm_nsdisc_sending); |
1297 | bfa_fcs_rport_send_nsdisc(rport, NULL); | |
7725ccfd JH |
1298 | } else { |
1299 | rport->pid = 0; | |
1300 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1301 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1302 | bfa_fcs_rport_timeout, rport, | |
1303 | bfa_fcs_rport_del_timeout); | |
1304 | }; | |
1305 | break; | |
1306 | ||
1307 | case RPSM_EVENT_DELETE: | |
1308 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1309 | bfa_fcxp_discard(rport->fcxp); | |
1310 | bfa_fcs_rport_free(rport); | |
1311 | break; | |
1312 | ||
1313 | case RPSM_EVENT_PLOGI_RCVD: | |
1314 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1315 | bfa_fcxp_discard(rport->fcxp); | |
1316 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1317 | break; | |
1318 | ||
1319 | case RPSM_EVENT_LOGO_IMP: | |
1320 | rport->pid = 0; | |
1321 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1322 | bfa_fcxp_discard(rport->fcxp); | |
1323 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1324 | bfa_fcs_rport_timeout, rport, | |
1325 | bfa_fcs_rport_del_timeout); | |
1326 | break; | |
1327 | ||
a36c61f9 | 1328 | |
4b5e759d JH |
1329 | case RPSM_EVENT_PRLO_RCVD: |
1330 | bfa_fcs_rport_send_prlo_acc(rport); | |
1331 | break; | |
7725ccfd | 1332 | case RPSM_EVENT_SCN: |
5fbe25c7 | 1333 | /* |
7725ccfd JH |
1334 | * ignore, wait for NS query response |
1335 | */ | |
1336 | break; | |
1337 | ||
1338 | case RPSM_EVENT_LOGO_RCVD: | |
5fbe25c7 | 1339 | /* |
7725ccfd JH |
1340 | * Not logged-in yet. Accept LOGO. |
1341 | */ | |
1342 | bfa_fcs_rport_send_logo_acc(rport); | |
1343 | break; | |
1344 | ||
1345 | case RPSM_EVENT_PLOGI_COMP: | |
1346 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1347 | bfa_fcxp_discard(rport->fcxp); | |
1348 | bfa_fcs_rport_hal_online(rport); | |
1349 | break; | |
1350 | ||
1351 | default: | |
e641de37 | 1352 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1353 | } |
1354 | } | |
1355 | ||
1356 | ||
1357 | ||
5fbe25c7 | 1358 | /* |
7725ccfd JH |
1359 | * fcs_rport_private FCS RPORT provate functions |
1360 | */ | |
1361 | ||
1362 | static void | |
1363 | bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1364 | { | |
1365 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1366 | struct bfa_fcs_lport_s *port = rport->port; |
1367 | struct fchs_s fchs; | |
1368 | int len; | |
7725ccfd JH |
1369 | struct bfa_fcxp_s *fcxp; |
1370 | ||
1371 | bfa_trc(rport->fcs, rport->pwwn); | |
1372 | ||
1373 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1374 | if (!fcxp) { | |
a36c61f9 KG |
1375 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1376 | bfa_fcs_rport_send_plogi, rport); | |
7725ccfd JH |
1377 | return; |
1378 | } | |
1379 | rport->fcxp = fcxp; | |
1380 | ||
1381 | len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
a36c61f9 KG |
1382 | bfa_fcs_lport_get_fcid(port), 0, |
1383 | port->port_cfg.pwwn, port->port_cfg.nwwn, | |
be540a99 KG |
1384 | bfa_fcport_get_maxfrsize(port->fcs->bfa), |
1385 | bfa_fcport_get_rx_bbcredit(port->fcs->bfa)); | |
7725ccfd JH |
1386 | |
1387 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1388 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, |
1389 | (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV); | |
7725ccfd JH |
1390 | |
1391 | rport->stats.plogis++; | |
1392 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1393 | } | |
1394 | ||
1395 | static void | |
1396 | bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
a36c61f9 KG |
1397 | bfa_status_t req_status, u32 rsp_len, |
1398 | u32 resid_len, struct fchs_s *rsp_fchs) | |
7725ccfd | 1399 | { |
a36c61f9 | 1400 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
1401 | struct fc_logi_s *plogi_rsp; |
1402 | struct fc_ls_rjt_s *ls_rjt; | |
1403 | struct bfa_fcs_rport_s *twin; | |
a36c61f9 | 1404 | struct list_head *qe; |
7725ccfd JH |
1405 | |
1406 | bfa_trc(rport->fcs, rport->pwwn); | |
1407 | ||
1408 | /* | |
1409 | * Sanity Checks | |
1410 | */ | |
1411 | if (req_status != BFA_STATUS_OK) { | |
1412 | bfa_trc(rport->fcs, req_status); | |
1413 | rport->stats.plogi_failed++; | |
1414 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1415 | return; | |
1416 | } | |
1417 | ||
1418 | plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1419 | ||
5fbe25c7 | 1420 | /* |
7725ccfd JH |
1421 | * Check for failure first. |
1422 | */ | |
1423 | if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { | |
1424 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1425 | ||
1426 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
1427 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
1428 | ||
a36c61f9 KG |
1429 | if ((ls_rjt->reason_code == FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD) && |
1430 | (ls_rjt->reason_code_expl == FC_LS_RJT_EXP_INSUFF_RES)) { | |
1431 | rport->stats.rjt_insuff_res++; | |
1432 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RETRY); | |
1433 | return; | |
1434 | } | |
1435 | ||
7725ccfd JH |
1436 | rport->stats.plogi_rejects++; |
1437 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1438 | return; | |
1439 | } | |
1440 | ||
5fbe25c7 | 1441 | /* |
7725ccfd JH |
1442 | * PLOGI is complete. Make sure this device is not one of the known |
1443 | * device with a new FC port address. | |
1444 | */ | |
1445 | list_for_each(qe, &rport->port->rport_q) { | |
a36c61f9 | 1446 | twin = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
1447 | if (twin == rport) |
1448 | continue; | |
1449 | if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { | |
1450 | bfa_trc(rport->fcs, twin->pid); | |
1451 | bfa_trc(rport->fcs, rport->pid); | |
1452 | ||
a36c61f9 KG |
1453 | /* Update plogi stats in twin */ |
1454 | twin->stats.plogis += rport->stats.plogis; | |
1455 | twin->stats.plogi_rejects += | |
1456 | rport->stats.plogi_rejects; | |
1457 | twin->stats.plogi_timeouts += | |
1458 | rport->stats.plogi_timeouts; | |
1459 | twin->stats.plogi_failed += | |
1460 | rport->stats.plogi_failed; | |
1461 | twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; | |
7725ccfd JH |
1462 | twin->stats.plogi_accs++; |
1463 | ||
f7f73812 | 1464 | bfa_sm_send_event(rport, RPSM_EVENT_DELETE); |
7725ccfd JH |
1465 | |
1466 | bfa_fcs_rport_update(twin, plogi_rsp); | |
1467 | twin->pid = rsp_fchs->s_id; | |
1468 | bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); | |
1469 | return; | |
1470 | } | |
1471 | } | |
1472 | ||
5fbe25c7 | 1473 | /* |
7725ccfd JH |
1474 | * Normal login path -- no evil twins. |
1475 | */ | |
1476 | rport->stats.plogi_accs++; | |
1477 | bfa_fcs_rport_update(rport, plogi_rsp); | |
1478 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1479 | } | |
1480 | ||
1481 | static void | |
1482 | bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1483 | { | |
1484 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1485 | struct bfa_fcs_lport_s *port = rport->port; |
1486 | struct fchs_s fchs; | |
1487 | int len; | |
7725ccfd JH |
1488 | struct bfa_fcxp_s *fcxp; |
1489 | ||
1490 | bfa_trc(rport->fcs, rport->pwwn); | |
1491 | bfa_trc(rport->fcs, rport->reply_oxid); | |
1492 | ||
1493 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1494 | if (!fcxp) { | |
a36c61f9 KG |
1495 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1496 | bfa_fcs_rport_send_plogiacc, rport); | |
7725ccfd JH |
1497 | return; |
1498 | } | |
1499 | rport->fcxp = fcxp; | |
1500 | ||
a36c61f9 KG |
1501 | len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1502 | rport->pid, bfa_fcs_lport_get_fcid(port), | |
1503 | rport->reply_oxid, port->port_cfg.pwwn, | |
1504 | port->port_cfg.nwwn, | |
be540a99 KG |
1505 | bfa_fcport_get_maxfrsize(port->fcs->bfa), |
1506 | bfa_fcport_get_rx_bbcredit(port->fcs->bfa)); | |
7725ccfd JH |
1507 | |
1508 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1509 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1510 | |
1511 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1512 | } | |
1513 | ||
1514 | static void | |
1515 | bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1516 | { | |
1517 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1518 | struct bfa_fcs_lport_s *port = rport->port; |
1519 | struct fchs_s fchs; | |
1520 | int len; | |
7725ccfd JH |
1521 | struct bfa_fcxp_s *fcxp; |
1522 | ||
1523 | bfa_trc(rport->fcs, rport->pwwn); | |
1524 | ||
1525 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1526 | if (!fcxp) { | |
a36c61f9 KG |
1527 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1528 | bfa_fcs_rport_send_adisc, rport); | |
7725ccfd JH |
1529 | return; |
1530 | } | |
1531 | rport->fcxp = fcxp; | |
1532 | ||
1533 | len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
a36c61f9 KG |
1534 | bfa_fcs_lport_get_fcid(port), 0, |
1535 | port->port_cfg.pwwn, port->port_cfg.nwwn); | |
7725ccfd JH |
1536 | |
1537 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1538 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, |
1539 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); | |
7725ccfd JH |
1540 | |
1541 | rport->stats.adisc_sent++; | |
1542 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1543 | } | |
1544 | ||
1545 | static void | |
1546 | bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
a36c61f9 KG |
1547 | bfa_status_t req_status, u32 rsp_len, |
1548 | u32 resid_len, struct fchs_s *rsp_fchs) | |
7725ccfd | 1549 | { |
a36c61f9 KG |
1550 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
1551 | void *pld = bfa_fcxp_get_rspbuf(fcxp); | |
1552 | struct fc_ls_rjt_s *ls_rjt; | |
7725ccfd JH |
1553 | |
1554 | if (req_status != BFA_STATUS_OK) { | |
1555 | bfa_trc(rport->fcs, req_status); | |
1556 | rport->stats.adisc_failed++; | |
1557 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1558 | return; | |
1559 | } | |
1560 | ||
1561 | if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, | |
a36c61f9 | 1562 | rport->nwwn) == FC_PARSE_OK) { |
7725ccfd JH |
1563 | rport->stats.adisc_accs++; |
1564 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1565 | return; | |
1566 | } | |
1567 | ||
1568 | rport->stats.adisc_rejects++; | |
1569 | ls_rjt = pld; | |
1570 | bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); | |
1571 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
1572 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
1573 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1574 | } | |
1575 | ||
1576 | static void | |
a36c61f9 | 1577 | bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
7725ccfd JH |
1578 | { |
1579 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1580 | struct bfa_fcs_lport_s *port = rport->port; |
1581 | struct fchs_s fchs; | |
7725ccfd | 1582 | struct bfa_fcxp_s *fcxp; |
a36c61f9 KG |
1583 | int len; |
1584 | bfa_cb_fcxp_send_t cbfn; | |
7725ccfd JH |
1585 | |
1586 | bfa_trc(rport->fcs, rport->pid); | |
1587 | ||
1588 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1589 | if (!fcxp) { | |
a36c61f9 KG |
1590 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1591 | bfa_fcs_rport_send_nsdisc, rport); | |
7725ccfd JH |
1592 | return; |
1593 | } | |
1594 | rport->fcxp = fcxp; | |
1595 | ||
a36c61f9 KG |
1596 | if (rport->pwwn) { |
1597 | len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1598 | bfa_fcs_lport_get_fcid(port), 0, rport->pwwn); | |
1599 | cbfn = bfa_fcs_rport_gidpn_response; | |
1600 | } else { | |
1601 | len = fc_gpnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1602 | bfa_fcs_lport_get_fcid(port), 0, rport->pid); | |
1603 | cbfn = bfa_fcs_rport_gpnid_response; | |
1604 | } | |
7725ccfd JH |
1605 | |
1606 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1607 | FC_CLASS_3, len, &fchs, cbfn, |
1608 | (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV); | |
7725ccfd JH |
1609 | |
1610 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1611 | } | |
1612 | ||
1613 | static void | |
1614 | bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
a36c61f9 KG |
1615 | bfa_status_t req_status, u32 rsp_len, |
1616 | u32 resid_len, struct fchs_s *rsp_fchs) | |
7725ccfd | 1617 | { |
a36c61f9 KG |
1618 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
1619 | struct ct_hdr_s *cthdr; | |
7725ccfd | 1620 | struct fcgs_gidpn_resp_s *gidpn_rsp; |
a36c61f9 KG |
1621 | struct bfa_fcs_rport_s *twin; |
1622 | struct list_head *qe; | |
7725ccfd JH |
1623 | |
1624 | bfa_trc(rport->fcs, rport->pwwn); | |
1625 | ||
1626 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
ba816ea8 | 1627 | cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); |
7725ccfd JH |
1628 | |
1629 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
a36c61f9 | 1630 | /* Check if the pid is the same as before. */ |
7725ccfd JH |
1631 | gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); |
1632 | ||
1633 | if (gidpn_rsp->dap == rport->pid) { | |
a36c61f9 | 1634 | /* Device is online */ |
7725ccfd JH |
1635 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
1636 | } else { | |
1637 | /* | |
a36c61f9 KG |
1638 | * Device's PID has changed. We need to cleanup |
1639 | * and re-login. If there is another device with | |
1640 | * the the newly discovered pid, send an scn notice | |
1641 | * so that its new pid can be discovered. | |
7725ccfd JH |
1642 | */ |
1643 | list_for_each(qe, &rport->port->rport_q) { | |
a36c61f9 | 1644 | twin = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
1645 | if (twin == rport) |
1646 | continue; | |
1647 | if (gidpn_rsp->dap == twin->pid) { | |
1648 | bfa_trc(rport->fcs, twin->pid); | |
1649 | bfa_trc(rport->fcs, rport->pid); | |
1650 | ||
1651 | twin->pid = 0; | |
1652 | bfa_sm_send_event(twin, | |
a36c61f9 | 1653 | RPSM_EVENT_ADDRESS_CHANGE); |
7725ccfd JH |
1654 | } |
1655 | } | |
1656 | rport->pid = gidpn_rsp->dap; | |
1657 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); | |
1658 | } | |
1659 | return; | |
1660 | } | |
1661 | ||
1662 | /* | |
1663 | * Reject Response | |
1664 | */ | |
1665 | switch (cthdr->reason_code) { | |
1666 | case CT_RSN_LOGICAL_BUSY: | |
1667 | /* | |
1668 | * Need to retry | |
1669 | */ | |
1670 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); | |
1671 | break; | |
1672 | ||
1673 | case CT_RSN_UNABLE_TO_PERF: | |
1674 | /* | |
1675 | * device doesn't exist : Start timer to cleanup this later. | |
1676 | */ | |
1677 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1678 | break; | |
1679 | ||
1680 | default: | |
1681 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1682 | break; | |
1683 | } | |
1684 | } | |
1685 | ||
a36c61f9 KG |
1686 | static void |
1687 | bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1688 | bfa_status_t req_status, u32 rsp_len, | |
1689 | u32 resid_len, struct fchs_s *rsp_fchs) | |
1690 | { | |
1691 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; | |
1692 | struct ct_hdr_s *cthdr; | |
1693 | ||
1694 | bfa_trc(rport->fcs, rport->pwwn); | |
1695 | ||
1696 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
ba816ea8 | 1697 | cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); |
a36c61f9 KG |
1698 | |
1699 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
1700 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1701 | return; | |
1702 | } | |
1703 | ||
1704 | /* | |
1705 | * Reject Response | |
1706 | */ | |
1707 | switch (cthdr->reason_code) { | |
1708 | case CT_RSN_LOGICAL_BUSY: | |
1709 | /* | |
1710 | * Need to retry | |
1711 | */ | |
1712 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); | |
1713 | break; | |
1714 | ||
1715 | case CT_RSN_UNABLE_TO_PERF: | |
1716 | /* | |
1717 | * device doesn't exist : Start timer to cleanup this later. | |
1718 | */ | |
1719 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1720 | break; | |
1721 | ||
1722 | default: | |
1723 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1724 | break; | |
1725 | } | |
1726 | } | |
1727 | ||
5fbe25c7 | 1728 | /* |
a36c61f9 | 1729 | * Called to send a logout to the rport. |
7725ccfd JH |
1730 | */ |
1731 | static void | |
1732 | bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1733 | { | |
1734 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1735 | struct bfa_fcs_lport_s *port; |
1736 | struct fchs_s fchs; | |
7725ccfd | 1737 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 1738 | u16 len; |
7725ccfd JH |
1739 | |
1740 | bfa_trc(rport->fcs, rport->pid); | |
1741 | ||
1742 | port = rport->port; | |
1743 | ||
1744 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1745 | if (!fcxp) { | |
a36c61f9 KG |
1746 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1747 | bfa_fcs_rport_send_logo, rport); | |
7725ccfd JH |
1748 | return; |
1749 | } | |
1750 | rport->fcxp = fcxp; | |
1751 | ||
1752 | len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
a36c61f9 KG |
1753 | bfa_fcs_lport_get_fcid(port), 0, |
1754 | bfa_fcs_lport_get_pwwn(port)); | |
7725ccfd JH |
1755 | |
1756 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1757 | FC_CLASS_3, len, &fchs, NULL, |
1758 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); | |
7725ccfd JH |
1759 | |
1760 | rport->stats.logos++; | |
1761 | bfa_fcxp_discard(rport->fcxp); | |
1762 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1763 | } | |
1764 | ||
5fbe25c7 | 1765 | /* |
a36c61f9 | 1766 | * Send ACC for a LOGO received. |
7725ccfd JH |
1767 | */ |
1768 | static void | |
1769 | bfa_fcs_rport_send_logo_acc(void *rport_cbarg) | |
1770 | { | |
1771 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1772 | struct bfa_fcs_lport_s *port; |
1773 | struct fchs_s fchs; | |
7725ccfd | 1774 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 1775 | u16 len; |
7725ccfd JH |
1776 | |
1777 | bfa_trc(rport->fcs, rport->pid); | |
1778 | ||
1779 | port = rport->port; | |
1780 | ||
1781 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1782 | if (!fcxp) | |
1783 | return; | |
1784 | ||
1785 | rport->stats.logo_rcvd++; | |
a36c61f9 KG |
1786 | len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1787 | rport->pid, bfa_fcs_lport_get_fcid(port), | |
1788 | rport->reply_oxid); | |
7725ccfd JH |
1789 | |
1790 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1791 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1792 | } |
1793 | ||
5fbe25c7 | 1794 | /* |
a36c61f9 KG |
1795 | * brief |
1796 | * This routine will be called by bfa_timer on timer timeouts. | |
7725ccfd | 1797 | * |
a36c61f9 KG |
1798 | * param[in] rport - pointer to bfa_fcs_lport_ns_t. |
1799 | * param[out] rport_status - pointer to return vport status in | |
7725ccfd | 1800 | * |
a36c61f9 KG |
1801 | * return |
1802 | * void | |
7725ccfd | 1803 | * |
a36c61f9 | 1804 | * Special Considerations: |
7725ccfd | 1805 | * |
a36c61f9 | 1806 | * note |
7725ccfd JH |
1807 | */ |
1808 | static void | |
1809 | bfa_fcs_rport_timeout(void *arg) | |
1810 | { | |
a36c61f9 | 1811 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) arg; |
7725ccfd JH |
1812 | |
1813 | rport->stats.plogi_timeouts++; | |
a36c61f9 | 1814 | bfa_stats(rport->port, rport_plogi_timeouts); |
7725ccfd JH |
1815 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
1816 | } | |
1817 | ||
1818 | static void | |
1819 | bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, | |
1820 | struct fchs_s *rx_fchs, u16 len) | |
1821 | { | |
1822 | struct bfa_fcxp_s *fcxp; | |
a36c61f9 KG |
1823 | struct fchs_s fchs; |
1824 | struct bfa_fcs_lport_s *port = rport->port; | |
1825 | struct fc_prli_s *prli; | |
7725ccfd JH |
1826 | |
1827 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1828 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1829 | ||
1830 | rport->stats.prli_rcvd++; | |
1831 | ||
7725ccfd | 1832 | /* |
a36c61f9 | 1833 | * We are in Initiator Mode |
7725ccfd JH |
1834 | */ |
1835 | prli = (struct fc_prli_s *) (rx_fchs + 1); | |
1836 | ||
a36c61f9 | 1837 | if (prli->parampage.servparams.target) { |
7725ccfd | 1838 | /* |
a36c61f9 KG |
1839 | * PRLI from a target ? |
1840 | * Send the Acc. | |
1841 | * PRLI sent by us will be used to transition the IT nexus, | |
1842 | * once the response is received from the target. | |
7725ccfd JH |
1843 | */ |
1844 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1845 | rport->scsi_function = BFA_RPORT_TARGET; | |
a36c61f9 KG |
1846 | } else { |
1847 | bfa_trc(rport->fcs, prli->parampage.type); | |
1848 | rport->scsi_function = BFA_RPORT_INITIATOR; | |
1849 | bfa_fcs_itnim_is_initiator(rport->itnim); | |
7725ccfd JH |
1850 | } |
1851 | ||
1852 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1853 | if (!fcxp) | |
1854 | return; | |
1855 | ||
a36c61f9 KG |
1856 | len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1857 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
1858 | rx_fchs->ox_id, port->port_cfg.roles); | |
7725ccfd JH |
1859 | |
1860 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1861 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1862 | } |
1863 | ||
1864 | static void | |
1865 | bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, | |
1866 | struct fchs_s *rx_fchs, u16 len) | |
1867 | { | |
1868 | struct bfa_fcxp_s *fcxp; | |
a36c61f9 KG |
1869 | struct fchs_s fchs; |
1870 | struct bfa_fcs_lport_s *port = rport->port; | |
7725ccfd | 1871 | struct fc_rpsc_speed_info_s speeds; |
a36c61f9 | 1872 | struct bfa_port_attr_s pport_attr; |
7725ccfd JH |
1873 | |
1874 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1875 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1876 | ||
1877 | rport->stats.rpsc_rcvd++; | |
1878 | speeds.port_speed_cap = | |
1879 | RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | | |
1880 | RPSC_SPEED_CAP_8G; | |
1881 | ||
1882 | /* | |
1883 | * get curent speed from pport attributes from BFA | |
1884 | */ | |
1c8a4c37 | 1885 | bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); |
7725ccfd JH |
1886 | |
1887 | speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); | |
1888 | ||
1889 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1890 | if (!fcxp) | |
1891 | return; | |
1892 | ||
a36c61f9 KG |
1893 | len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1894 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
1895 | rx_fchs->ox_id, &speeds); | |
7725ccfd JH |
1896 | |
1897 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1898 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1899 | } |
1900 | ||
1901 | static void | |
1902 | bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, | |
1903 | struct fchs_s *rx_fchs, u16 len) | |
1904 | { | |
1905 | struct bfa_fcxp_s *fcxp; | |
a36c61f9 KG |
1906 | struct fchs_s fchs; |
1907 | struct bfa_fcs_lport_s *port = rport->port; | |
1908 | struct fc_adisc_s *adisc; | |
7725ccfd JH |
1909 | |
1910 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1911 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1912 | ||
1913 | rport->stats.adisc_rcvd++; | |
1914 | ||
7725ccfd JH |
1915 | adisc = (struct fc_adisc_s *) (rx_fchs + 1); |
1916 | ||
1917 | /* | |
a36c61f9 KG |
1918 | * Accept if the itnim for this rport is online. |
1919 | * Else reject the ADISC. | |
7725ccfd JH |
1920 | */ |
1921 | if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { | |
1922 | ||
1923 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1924 | if (!fcxp) | |
1925 | return; | |
1926 | ||
1927 | len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
a36c61f9 KG |
1928 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
1929 | rx_fchs->ox_id, port->port_cfg.pwwn, | |
1930 | port->port_cfg.nwwn); | |
7725ccfd JH |
1931 | |
1932 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, | |
a36c61f9 KG |
1933 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, |
1934 | FC_MAX_PDUSZ, 0); | |
7725ccfd JH |
1935 | } else { |
1936 | rport->stats.adisc_rejected++; | |
1937 | bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, | |
1938 | FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, | |
1939 | FC_LS_RJT_EXP_LOGIN_REQUIRED); | |
1940 | } | |
7725ccfd JH |
1941 | } |
1942 | ||
1943 | static void | |
1944 | bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) | |
1945 | { | |
a36c61f9 | 1946 | struct bfa_fcs_lport_s *port = rport->port; |
7725ccfd JH |
1947 | struct bfa_rport_info_s rport_info; |
1948 | ||
1949 | rport_info.pid = rport->pid; | |
1950 | rport_info.local_pid = port->pid; | |
1951 | rport_info.lp_tag = port->lp_tag; | |
1952 | rport_info.vf_id = port->fabric->vf_id; | |
1953 | rport_info.vf_en = port->fabric->is_vf; | |
1954 | rport_info.fc_class = rport->fc_cos; | |
1955 | rport_info.cisc = rport->cisc; | |
1956 | rport_info.max_frmsz = rport->maxfrsize; | |
1957 | bfa_rport_online(rport->bfa_rport, &rport_info); | |
1958 | } | |
1959 | ||
7725ccfd | 1960 | static struct bfa_fcs_rport_s * |
a36c61f9 | 1961 | bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) |
7725ccfd | 1962 | { |
a36c61f9 | 1963 | struct bfa_fcs_s *fcs = port->fcs; |
7725ccfd | 1964 | struct bfa_fcs_rport_s *rport; |
a36c61f9 | 1965 | struct bfad_rport_s *rport_drv; |
7725ccfd | 1966 | |
5fbe25c7 | 1967 | /* |
7725ccfd JH |
1968 | * allocate rport |
1969 | */ | |
1970 | if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) | |
a36c61f9 | 1971 | != BFA_STATUS_OK) { |
7725ccfd JH |
1972 | bfa_trc(fcs, rpid); |
1973 | return NULL; | |
1974 | } | |
1975 | ||
1976 | /* | |
1977 | * Initialize r-port | |
1978 | */ | |
1979 | rport->port = port; | |
1980 | rport->fcs = fcs; | |
1981 | rport->rp_drv = rport_drv; | |
1982 | rport->pid = rpid; | |
1983 | rport->pwwn = pwwn; | |
1984 | ||
5fbe25c7 | 1985 | /* |
7725ccfd JH |
1986 | * allocate BFA rport |
1987 | */ | |
1988 | rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); | |
1989 | if (!rport->bfa_rport) { | |
1990 | bfa_trc(fcs, rpid); | |
1991 | kfree(rport_drv); | |
1992 | return NULL; | |
1993 | } | |
1994 | ||
5fbe25c7 | 1995 | /* |
7725ccfd JH |
1996 | * allocate FC-4s |
1997 | */ | |
d4b671c5 | 1998 | WARN_ON(!bfa_fcs_lport_is_initiator(port)); |
7725ccfd | 1999 | |
a36c61f9 | 2000 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd JH |
2001 | rport->itnim = bfa_fcs_itnim_create(rport); |
2002 | if (!rport->itnim) { | |
2003 | bfa_trc(fcs, rpid); | |
da99dcc9 MZ |
2004 | bfa_sm_send_event(rport->bfa_rport, |
2005 | BFA_RPORT_SM_DELETE); | |
7725ccfd JH |
2006 | kfree(rport_drv); |
2007 | return NULL; | |
2008 | } | |
2009 | } | |
2010 | ||
a36c61f9 | 2011 | bfa_fcs_lport_add_rport(port, rport); |
7725ccfd JH |
2012 | |
2013 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
2014 | ||
a36c61f9 | 2015 | /* Initialize the Rport Features(RPF) Sub Module */ |
7725ccfd JH |
2016 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
2017 | bfa_fcs_rpf_init(rport); | |
2018 | ||
2019 | return rport; | |
2020 | } | |
2021 | ||
2022 | ||
2023 | static void | |
2024 | bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) | |
2025 | { | |
a36c61f9 | 2026 | struct bfa_fcs_lport_s *port = rport->port; |
7725ccfd | 2027 | |
5fbe25c7 | 2028 | /* |
7725ccfd JH |
2029 | * - delete FC-4s |
2030 | * - delete BFA rport | |
2031 | * - remove from queue of rports | |
2032 | */ | |
a36c61f9 | 2033 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd | 2034 | bfa_fcs_itnim_delete(rport->itnim); |
a36c61f9 KG |
2035 | if (rport->pid != 0 && !BFA_FCS_PID_IS_WKA(rport->pid)) |
2036 | bfa_fcs_rpf_rport_offline(rport); | |
2037 | } | |
7725ccfd | 2038 | |
f7f73812 | 2039 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_DELETE); |
a36c61f9 | 2040 | bfa_fcs_lport_del_rport(port, rport); |
7725ccfd JH |
2041 | kfree(rport->rp_drv); |
2042 | } | |
2043 | ||
7826f304 KG |
2044 | static void |
2045 | bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport, | |
2046 | enum bfa_rport_aen_event event, | |
2047 | struct bfa_rport_aen_data_s *data) | |
2048 | { | |
2049 | struct bfa_fcs_lport_s *port = rport->port; | |
2050 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; | |
2051 | struct bfa_aen_entry_s *aen_entry; | |
2052 | ||
2053 | bfad_get_aen_entry(bfad, aen_entry); | |
2054 | if (!aen_entry) | |
2055 | return; | |
2056 | ||
2057 | if (event == BFA_RPORT_AEN_QOS_PRIO) | |
2058 | aen_entry->aen_data.rport.priv.qos = data->priv.qos; | |
2059 | else if (event == BFA_RPORT_AEN_QOS_FLOWID) | |
2060 | aen_entry->aen_data.rport.priv.qos = data->priv.qos; | |
2061 | ||
2062 | aen_entry->aen_data.rport.vf_id = rport->port->fabric->vf_id; | |
2063 | aen_entry->aen_data.rport.ppwwn = bfa_fcs_lport_get_pwwn( | |
2064 | bfa_fcs_get_base_port(rport->fcs)); | |
2065 | aen_entry->aen_data.rport.lpwwn = bfa_fcs_lport_get_pwwn(rport->port); | |
2066 | aen_entry->aen_data.rport.rpwwn = rport->pwwn; | |
2067 | ||
2068 | /* Send the AEN notification */ | |
2069 | bfad_im_post_vendor_event(aen_entry, bfad, ++rport->fcs->fcs_aen_seq, | |
2070 | BFA_AEN_CAT_RPORT, event); | |
2071 | } | |
2072 | ||
7725ccfd JH |
2073 | static void |
2074 | bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) | |
2075 | { | |
a36c61f9 KG |
2076 | struct bfa_fcs_lport_s *port = rport->port; |
2077 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; | |
2078 | char lpwwn_buf[BFA_STRING_32]; | |
2079 | char rpwwn_buf[BFA_STRING_32]; | |
7725ccfd JH |
2080 | |
2081 | rport->stats.onlines++; | |
2082 | ||
d7be54cc KG |
2083 | if ((!rport->pid) || (!rport->pwwn)) { |
2084 | bfa_trc(rport->fcs, rport->pid); | |
2085 | bfa_sm_fault(rport->fcs, rport->pid); | |
2086 | } | |
2087 | ||
a36c61f9 | 2088 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd JH |
2089 | bfa_fcs_itnim_rport_online(rport->itnim); |
2090 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2091 | bfa_fcs_rpf_rport_online(rport); | |
2092 | }; | |
2093 | ||
a36c61f9 KG |
2094 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
2095 | wwn2str(rpwwn_buf, rport->pwwn); | |
7826f304 | 2096 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) { |
88166242 | 2097 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, |
a36c61f9 KG |
2098 | "Remote port (WWN = %s) online for logical port (WWN = %s)\n", |
2099 | rpwwn_buf, lpwwn_buf); | |
7826f304 KG |
2100 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL); |
2101 | } | |
7725ccfd JH |
2102 | } |
2103 | ||
2104 | static void | |
2105 | bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) | |
2106 | { | |
a36c61f9 KG |
2107 | struct bfa_fcs_lport_s *port = rport->port; |
2108 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; | |
2109 | char lpwwn_buf[BFA_STRING_32]; | |
2110 | char rpwwn_buf[BFA_STRING_32]; | |
7725ccfd JH |
2111 | |
2112 | rport->stats.offlines++; | |
d7be54cc | 2113 | rport->plogi_pending = BFA_FALSE; |
7725ccfd | 2114 | |
a36c61f9 KG |
2115 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
2116 | wwn2str(rpwwn_buf, rport->pwwn); | |
7725ccfd | 2117 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) { |
7826f304 | 2118 | if (bfa_fcs_lport_is_online(rport->port) == BFA_TRUE) { |
88166242 | 2119 | BFA_LOG(KERN_ERR, bfad, bfa_log_level, |
a36c61f9 KG |
2120 | "Remote port (WWN = %s) connectivity lost for " |
2121 | "logical port (WWN = %s)\n", | |
2122 | rpwwn_buf, lpwwn_buf); | |
7826f304 KG |
2123 | bfa_fcs_rport_aen_post(rport, |
2124 | BFA_RPORT_AEN_DISCONNECT, NULL); | |
2125 | } else { | |
88166242 | 2126 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, |
a36c61f9 KG |
2127 | "Remote port (WWN = %s) offlined by " |
2128 | "logical port (WWN = %s)\n", | |
2129 | rpwwn_buf, lpwwn_buf); | |
7826f304 KG |
2130 | bfa_fcs_rport_aen_post(rport, |
2131 | BFA_RPORT_AEN_OFFLINE, NULL); | |
2132 | } | |
7725ccfd JH |
2133 | } |
2134 | ||
a36c61f9 | 2135 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd JH |
2136 | bfa_fcs_itnim_rport_offline(rport->itnim); |
2137 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2138 | bfa_fcs_rpf_rport_offline(rport); | |
2139 | } | |
7725ccfd JH |
2140 | } |
2141 | ||
5fbe25c7 | 2142 | /* |
7725ccfd JH |
2143 | * Update rport parameters from PLOGI or PLOGI accept. |
2144 | */ | |
2145 | static void | |
2146 | bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) | |
2147 | { | |
a36c61f9 | 2148 | bfa_fcs_lport_t *port = rport->port; |
7725ccfd | 2149 | |
5fbe25c7 | 2150 | /* |
7725ccfd JH |
2151 | * - port name |
2152 | * - node name | |
2153 | */ | |
2154 | rport->pwwn = plogi->port_name; | |
2155 | rport->nwwn = plogi->node_name; | |
2156 | ||
5fbe25c7 | 2157 | /* |
7725ccfd JH |
2158 | * - class of service |
2159 | */ | |
2160 | rport->fc_cos = 0; | |
2161 | if (plogi->class3.class_valid) | |
2162 | rport->fc_cos = FC_CLASS_3; | |
2163 | ||
2164 | if (plogi->class2.class_valid) | |
2165 | rport->fc_cos |= FC_CLASS_2; | |
2166 | ||
5fbe25c7 | 2167 | /* |
7725ccfd JH |
2168 | * - CISC |
2169 | * - MAX receive frame size | |
2170 | */ | |
2171 | rport->cisc = plogi->csp.cisc; | |
bd5a0260 KG |
2172 | if (be16_to_cpu(plogi->class3.rxsz) < be16_to_cpu(plogi->csp.rxsz)) |
2173 | rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz); | |
2174 | else | |
2175 | rport->maxfrsize = be16_to_cpu(plogi->csp.rxsz); | |
7725ccfd | 2176 | |
ba816ea8 | 2177 | bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); |
7725ccfd | 2178 | bfa_trc(port->fcs, port->fabric->bb_credit); |
5fbe25c7 | 2179 | /* |
7725ccfd JH |
2180 | * Direct Attach P2P mode : |
2181 | * This is to handle a bug (233476) in IBM targets in Direct Attach | |
a36c61f9 KG |
2182 | * Mode. Basically, in FLOGI Accept the target would have |
2183 | * erroneously set the BB Credit to the value used in the FLOGI | |
2184 | * sent by the HBA. It uses the correct value (its own BB credit) | |
2185 | * in PLOGI. | |
7725ccfd | 2186 | */ |
a36c61f9 | 2187 | if ((!bfa_fcs_fabric_is_switched(port->fabric)) && |
ba816ea8 | 2188 | (be16_to_cpu(plogi->csp.bbcred) < port->fabric->bb_credit)) { |
7725ccfd | 2189 | |
ba816ea8 | 2190 | bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); |
7725ccfd JH |
2191 | bfa_trc(port->fcs, port->fabric->bb_credit); |
2192 | ||
ba816ea8 | 2193 | port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred); |
1c8a4c37 | 2194 | bfa_fcport_set_tx_bbcredit(port->fcs->bfa, |
be540a99 | 2195 | port->fabric->bb_credit, 0); |
7725ccfd JH |
2196 | } |
2197 | ||
2198 | } | |
2199 | ||
5fbe25c7 | 2200 | /* |
a36c61f9 | 2201 | * Called to handle LOGO received from an existing remote port. |
7725ccfd JH |
2202 | */ |
2203 | static void | |
2204 | bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) | |
2205 | { | |
2206 | rport->reply_oxid = fchs->ox_id; | |
2207 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2208 | ||
4b5e759d | 2209 | rport->prlo = BFA_FALSE; |
7725ccfd JH |
2210 | rport->stats.logo_rcvd++; |
2211 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); | |
2212 | } | |
2213 | ||
2214 | ||
2215 | ||
5fbe25c7 | 2216 | /* |
7725ccfd JH |
2217 | * fcs_rport_public FCS rport public interfaces |
2218 | */ | |
2219 | ||
5fbe25c7 | 2220 | /* |
a36c61f9 KG |
2221 | * Called by bport/vport to create a remote port instance for a discovered |
2222 | * remote device. | |
7725ccfd JH |
2223 | * |
2224 | * @param[in] port - base port or vport | |
2225 | * @param[in] rpid - remote port ID | |
2226 | * | |
2227 | * @return None | |
2228 | */ | |
2229 | struct bfa_fcs_rport_s * | |
a36c61f9 | 2230 | bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid) |
7725ccfd JH |
2231 | { |
2232 | struct bfa_fcs_rport_s *rport; | |
2233 | ||
2234 | bfa_trc(port->fcs, rpid); | |
2235 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); | |
2236 | if (!rport) | |
2237 | return NULL; | |
2238 | ||
2239 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); | |
2240 | return rport; | |
2241 | } | |
2242 | ||
5fbe25c7 | 2243 | /* |
7725ccfd JH |
2244 | * Called to create a rport for which only the wwn is known. |
2245 | * | |
2246 | * @param[in] port - base port | |
2247 | * @param[in] rpwwn - remote port wwn | |
2248 | * | |
2249 | * @return None | |
2250 | */ | |
2251 | struct bfa_fcs_rport_s * | |
a36c61f9 | 2252 | bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn) |
7725ccfd JH |
2253 | { |
2254 | struct bfa_fcs_rport_s *rport; | |
7725ccfd JH |
2255 | bfa_trc(port->fcs, rpwwn); |
2256 | rport = bfa_fcs_rport_alloc(port, rpwwn, 0); | |
2257 | if (!rport) | |
2258 | return NULL; | |
2259 | ||
2260 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); | |
2261 | return rport; | |
2262 | } | |
5fbe25c7 | 2263 | /* |
7725ccfd JH |
2264 | * Called by bport in private loop topology to indicate that a |
2265 | * rport has been discovered and plogi has been completed. | |
2266 | * | |
2267 | * @param[in] port - base port or vport | |
2268 | * @param[in] rpid - remote port ID | |
2269 | */ | |
2270 | void | |
a36c61f9 KG |
2271 | bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, |
2272 | struct fc_logi_s *plogi) | |
7725ccfd JH |
2273 | { |
2274 | struct bfa_fcs_rport_s *rport; | |
2275 | ||
2276 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); | |
2277 | if (!rport) | |
2278 | return; | |
2279 | ||
2280 | bfa_fcs_rport_update(rport, plogi); | |
2281 | ||
2282 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); | |
2283 | } | |
2284 | ||
5fbe25c7 | 2285 | /* |
a36c61f9 KG |
2286 | * Called by bport/vport to handle PLOGI received from a new remote port. |
2287 | * If an existing rport does a plogi, it will be handled separately. | |
7725ccfd JH |
2288 | */ |
2289 | void | |
a36c61f9 KG |
2290 | bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, |
2291 | struct fc_logi_s *plogi) | |
7725ccfd JH |
2292 | { |
2293 | struct bfa_fcs_rport_s *rport; | |
2294 | ||
2295 | rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); | |
2296 | if (!rport) | |
2297 | return; | |
2298 | ||
2299 | bfa_fcs_rport_update(rport, plogi); | |
2300 | ||
2301 | rport->reply_oxid = fchs->ox_id; | |
2302 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2303 | ||
2304 | rport->stats.plogi_rcvd++; | |
2305 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); | |
2306 | } | |
2307 | ||
5fbe25c7 | 2308 | /* |
a36c61f9 KG |
2309 | * Called by bport/vport to handle PLOGI received from an existing |
2310 | * remote port. | |
7725ccfd JH |
2311 | */ |
2312 | void | |
2313 | bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, | |
a36c61f9 | 2314 | struct fc_logi_s *plogi) |
7725ccfd | 2315 | { |
5fbe25c7 | 2316 | /* |
7725ccfd JH |
2317 | * @todo Handle P2P and initiator-initiator. |
2318 | */ | |
2319 | ||
2320 | bfa_fcs_rport_update(rport, plogi); | |
2321 | ||
2322 | rport->reply_oxid = rx_fchs->ox_id; | |
2323 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2324 | ||
d7be54cc KG |
2325 | rport->pid = rx_fchs->s_id; |
2326 | bfa_trc(rport->fcs, rport->pid); | |
2327 | ||
7725ccfd JH |
2328 | rport->stats.plogi_rcvd++; |
2329 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); | |
2330 | } | |
2331 | ||
7725ccfd | 2332 | |
5fbe25c7 | 2333 | /* |
a36c61f9 | 2334 | * Called by bport/vport to notify SCN for the remote port |
7725ccfd JH |
2335 | */ |
2336 | void | |
2337 | bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) | |
2338 | { | |
7725ccfd JH |
2339 | rport->stats.rscns++; |
2340 | bfa_sm_send_event(rport, RPSM_EVENT_SCN); | |
2341 | } | |
2342 | ||
7725ccfd | 2343 | |
5fbe25c7 | 2344 | /* |
a36c61f9 KG |
2345 | * brief |
2346 | * This routine BFA callback for bfa_rport_online() call. | |
7725ccfd | 2347 | * |
a36c61f9 | 2348 | * param[in] cb_arg - rport struct. |
7725ccfd | 2349 | * |
a36c61f9 KG |
2350 | * return |
2351 | * void | |
7725ccfd | 2352 | * |
a36c61f9 | 2353 | * Special Considerations: |
7725ccfd | 2354 | * |
a36c61f9 | 2355 | * note |
7725ccfd JH |
2356 | */ |
2357 | void | |
2358 | bfa_cb_rport_online(void *cbarg) | |
2359 | { | |
2360 | ||
a36c61f9 | 2361 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
2362 | |
2363 | bfa_trc(rport->fcs, rport->pwwn); | |
2364 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); | |
2365 | } | |
2366 | ||
5fbe25c7 | 2367 | /* |
a36c61f9 KG |
2368 | * brief |
2369 | * This routine BFA callback for bfa_rport_offline() call. | |
7725ccfd | 2370 | * |
a36c61f9 | 2371 | * param[in] rport - |
7725ccfd | 2372 | * |
a36c61f9 KG |
2373 | * return |
2374 | * void | |
7725ccfd | 2375 | * |
a36c61f9 | 2376 | * Special Considerations: |
7725ccfd | 2377 | * |
a36c61f9 | 2378 | * note |
7725ccfd JH |
2379 | */ |
2380 | void | |
2381 | bfa_cb_rport_offline(void *cbarg) | |
2382 | { | |
a36c61f9 | 2383 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
2384 | |
2385 | bfa_trc(rport->fcs, rport->pwwn); | |
2386 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); | |
2387 | } | |
2388 | ||
5fbe25c7 | 2389 | /* |
a36c61f9 KG |
2390 | * brief |
2391 | * This routine is a static BFA callback when there is a QoS flow_id | |
2392 | * change notification | |
7725ccfd | 2393 | * |
a36c61f9 | 2394 | * param[in] rport - |
7725ccfd | 2395 | * |
a36c61f9 KG |
2396 | * return |
2397 | * void | |
7725ccfd | 2398 | * |
a36c61f9 | 2399 | * Special Considerations: |
7725ccfd | 2400 | * |
a36c61f9 | 2401 | * note |
7725ccfd JH |
2402 | */ |
2403 | void | |
2404 | bfa_cb_rport_qos_scn_flowid(void *cbarg, | |
a36c61f9 KG |
2405 | struct bfa_rport_qos_attr_s old_qos_attr, |
2406 | struct bfa_rport_qos_attr_s new_qos_attr) | |
7725ccfd | 2407 | { |
a36c61f9 | 2408 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7826f304 | 2409 | struct bfa_rport_aen_data_s aen_data; |
7725ccfd JH |
2410 | |
2411 | bfa_trc(rport->fcs, rport->pwwn); | |
7826f304 KG |
2412 | aen_data.priv.qos = new_qos_attr; |
2413 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data); | |
7725ccfd JH |
2414 | } |
2415 | ||
5fbe25c7 | 2416 | /* |
a36c61f9 KG |
2417 | * brief |
2418 | * This routine is a static BFA callback when there is a QoS priority | |
2419 | * change notification | |
7725ccfd | 2420 | * |
a36c61f9 | 2421 | * param[in] rport - |
7725ccfd | 2422 | * |
a36c61f9 KG |
2423 | * return |
2424 | * void | |
7725ccfd | 2425 | * |
a36c61f9 | 2426 | * Special Considerations: |
7725ccfd | 2427 | * |
a36c61f9 | 2428 | * note |
7725ccfd JH |
2429 | */ |
2430 | void | |
a36c61f9 KG |
2431 | bfa_cb_rport_qos_scn_prio(void *cbarg, |
2432 | struct bfa_rport_qos_attr_s old_qos_attr, | |
2433 | struct bfa_rport_qos_attr_s new_qos_attr) | |
7725ccfd | 2434 | { |
a36c61f9 | 2435 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7826f304 | 2436 | struct bfa_rport_aen_data_s aen_data; |
7725ccfd JH |
2437 | |
2438 | bfa_trc(rport->fcs, rport->pwwn); | |
7826f304 KG |
2439 | aen_data.priv.qos = new_qos_attr; |
2440 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data); | |
7725ccfd JH |
2441 | } |
2442 | ||
5fbe25c7 | 2443 | /* |
a36c61f9 | 2444 | * Called to process any unsolicted frames from this remote port |
7725ccfd JH |
2445 | */ |
2446 | void | |
a36c61f9 KG |
2447 | bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, |
2448 | struct fchs_s *fchs, u16 len) | |
7725ccfd | 2449 | { |
a36c61f9 KG |
2450 | struct bfa_fcs_lport_s *port = rport->port; |
2451 | struct fc_els_cmd_s *els_cmd; | |
7725ccfd JH |
2452 | |
2453 | bfa_trc(rport->fcs, fchs->s_id); | |
2454 | bfa_trc(rport->fcs, fchs->d_id); | |
2455 | bfa_trc(rport->fcs, fchs->type); | |
2456 | ||
2457 | if (fchs->type != FC_TYPE_ELS) | |
2458 | return; | |
2459 | ||
2460 | els_cmd = (struct fc_els_cmd_s *) (fchs + 1); | |
2461 | ||
2462 | bfa_trc(rport->fcs, els_cmd->els_code); | |
2463 | ||
2464 | switch (els_cmd->els_code) { | |
2465 | case FC_ELS_LOGO: | |
a36c61f9 | 2466 | bfa_stats(port, plogi_rcvd); |
7725ccfd JH |
2467 | bfa_fcs_rport_process_logo(rport, fchs); |
2468 | break; | |
2469 | ||
2470 | case FC_ELS_ADISC: | |
a36c61f9 | 2471 | bfa_stats(port, adisc_rcvd); |
7725ccfd JH |
2472 | bfa_fcs_rport_process_adisc(rport, fchs, len); |
2473 | break; | |
2474 | ||
2475 | case FC_ELS_PRLO: | |
a36c61f9 KG |
2476 | bfa_stats(port, prlo_rcvd); |
2477 | if (bfa_fcs_lport_is_initiator(port)) | |
7725ccfd | 2478 | bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); |
7725ccfd JH |
2479 | break; |
2480 | ||
2481 | case FC_ELS_PRLI: | |
a36c61f9 | 2482 | bfa_stats(port, prli_rcvd); |
7725ccfd JH |
2483 | bfa_fcs_rport_process_prli(rport, fchs, len); |
2484 | break; | |
2485 | ||
2486 | case FC_ELS_RPSC: | |
a36c61f9 | 2487 | bfa_stats(port, rpsc_rcvd); |
7725ccfd JH |
2488 | bfa_fcs_rport_process_rpsc(rport, fchs, len); |
2489 | break; | |
2490 | ||
2491 | default: | |
a36c61f9 | 2492 | bfa_stats(port, un_handled_els_rcvd); |
7725ccfd JH |
2493 | bfa_fcs_rport_send_ls_rjt(rport, fchs, |
2494 | FC_LS_RJT_RSN_CMD_NOT_SUPP, | |
2495 | FC_LS_RJT_EXP_NO_ADDL_INFO); | |
2496 | break; | |
2497 | } | |
2498 | } | |
2499 | ||
a36c61f9 | 2500 | /* send best case acc to prlo */ |
4b5e759d JH |
2501 | static void |
2502 | bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) | |
2503 | { | |
a36c61f9 KG |
2504 | struct bfa_fcs_lport_s *port = rport->port; |
2505 | struct fchs_s fchs; | |
4b5e759d | 2506 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 2507 | int len; |
4b5e759d JH |
2508 | |
2509 | bfa_trc(rport->fcs, rport->pid); | |
2510 | ||
2511 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
2512 | if (!fcxp) | |
2513 | return; | |
4b5e759d | 2514 | len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
a36c61f9 | 2515 | rport->pid, bfa_fcs_lport_get_fcid(port), |
4b5e759d JH |
2516 | rport->reply_oxid, 0); |
2517 | ||
2518 | bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, | |
a36c61f9 KG |
2519 | port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, |
2520 | NULL, NULL, FC_MAX_PDUSZ, 0); | |
4b5e759d JH |
2521 | } |
2522 | ||
7725ccfd JH |
2523 | /* |
2524 | * Send a LS reject | |
2525 | */ | |
2526 | static void | |
2527 | bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, | |
2528 | u8 reason_code, u8 reason_code_expl) | |
2529 | { | |
a36c61f9 KG |
2530 | struct bfa_fcs_lport_s *port = rport->port; |
2531 | struct fchs_s fchs; | |
7725ccfd | 2532 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 2533 | int len; |
7725ccfd JH |
2534 | |
2535 | bfa_trc(rport->fcs, rx_fchs->s_id); | |
2536 | ||
2537 | fcxp = bfa_fcs_fcxp_alloc(rport->fcs); | |
2538 | if (!fcxp) | |
2539 | return; | |
2540 | ||
a36c61f9 KG |
2541 | len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
2542 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
2543 | rx_fchs->ox_id, reason_code, reason_code_expl); | |
7725ccfd | 2544 | |
a36c61f9 KG |
2545 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, |
2546 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, | |
2547 | FC_MAX_PDUSZ, 0); | |
7725ccfd JH |
2548 | } |
2549 | ||
5fbe25c7 | 2550 | /* |
7725ccfd JH |
2551 | * Return state of rport. |
2552 | */ | |
2553 | int | |
2554 | bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) | |
2555 | { | |
2556 | return bfa_sm_to_state(rport_sm_table, rport->sm); | |
2557 | } | |
2558 | ||
f7f73812 | 2559 | |
5fbe25c7 | 2560 | /* |
a36c61f9 KG |
2561 | * brief |
2562 | * Called by the Driver to set rport delete/ageout timeout | |
7725ccfd | 2563 | * |
a36c61f9 | 2564 | * param[in] rport timeout value in seconds. |
7725ccfd | 2565 | * |
a36c61f9 | 2566 | * return None |
7725ccfd JH |
2567 | */ |
2568 | void | |
2569 | bfa_fcs_rport_set_del_timeout(u8 rport_tmo) | |
2570 | { | |
a36c61f9 | 2571 | /* convert to Millisecs */ |
7725ccfd JH |
2572 | if (rport_tmo > 0) |
2573 | bfa_fcs_rport_del_timeout = rport_tmo * 1000; | |
2574 | } | |
4b5e759d | 2575 | void |
50444a34 | 2576 | bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id) |
4b5e759d JH |
2577 | { |
2578 | bfa_trc(rport->fcs, rport->pid); | |
2579 | ||
2580 | rport->prlo = BFA_TRUE; | |
2581 | rport->reply_oxid = ox_id; | |
2582 | bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD); | |
2583 | } | |
a36c61f9 | 2584 | |
60138066 KG |
2585 | void |
2586 | bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, | |
2587 | struct bfa_rport_attr_s *rport_attr) | |
2588 | { | |
2589 | struct bfa_rport_qos_attr_s qos_attr; | |
2590 | struct bfa_fcs_lport_s *port = rport->port; | |
2591 | bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed; | |
2592 | ||
2593 | memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); | |
2594 | memset(&qos_attr, 0, sizeof(struct bfa_rport_qos_attr_s)); | |
2595 | ||
2596 | rport_attr->pid = rport->pid; | |
2597 | rport_attr->pwwn = rport->pwwn; | |
2598 | rport_attr->nwwn = rport->nwwn; | |
2599 | rport_attr->cos_supported = rport->fc_cos; | |
2600 | rport_attr->df_sz = rport->maxfrsize; | |
2601 | rport_attr->state = bfa_fcs_rport_get_state(rport); | |
2602 | rport_attr->fc_cos = rport->fc_cos; | |
2603 | rport_attr->cisc = rport->cisc; | |
2604 | rport_attr->scsi_function = rport->scsi_function; | |
2605 | rport_attr->curr_speed = rport->rpf.rpsc_speed; | |
2606 | rport_attr->assigned_speed = rport->rpf.assigned_speed; | |
2607 | ||
2608 | qos_attr.qos_priority = rport->bfa_rport->qos_attr.qos_priority; | |
2609 | qos_attr.qos_flow_id = | |
2610 | cpu_to_be32(rport->bfa_rport->qos_attr.qos_flow_id); | |
2611 | rport_attr->qos_attr = qos_attr; | |
2612 | ||
2613 | rport_attr->trl_enforced = BFA_FALSE; | |
2614 | if (bfa_fcport_is_ratelim(port->fcs->bfa) && | |
2615 | (rport->scsi_function == BFA_RPORT_TARGET)) { | |
2616 | if (rport_speed == BFA_PORT_SPEED_UNKNOWN) | |
2617 | rport_speed = | |
2618 | bfa_fcport_get_ratelim_speed(rport->fcs->bfa); | |
2619 | ||
2620 | if (rport_speed < bfa_fcs_lport_get_rport_max_speed(port)) | |
2621 | rport_attr->trl_enforced = BFA_TRUE; | |
2622 | } | |
2623 | } | |
a36c61f9 | 2624 | |
5fbe25c7 | 2625 | /* |
a36c61f9 KG |
2626 | * Remote port implementation. |
2627 | */ | |
2628 | ||
5fbe25c7 | 2629 | /* |
a36c61f9 KG |
2630 | * fcs_rport_api FCS rport API. |
2631 | */ | |
2632 | ||
a36c61f9 KG |
2633 | struct bfa_fcs_rport_s * |
2634 | bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) | |
2635 | { | |
2636 | struct bfa_fcs_rport_s *rport; | |
2637 | ||
2638 | rport = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); | |
2639 | if (rport == NULL) { | |
2640 | /* | |
2641 | * TBD Error handling | |
2642 | */ | |
2643 | } | |
2644 | ||
2645 | return rport; | |
2646 | } | |
2647 | ||
2648 | struct bfa_fcs_rport_s * | |
2649 | bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) | |
2650 | { | |
2651 | struct bfa_fcs_rport_s *rport; | |
2652 | ||
2653 | rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn); | |
2654 | if (rport == NULL) { | |
2655 | /* | |
2656 | * TBD Error handling | |
2657 | */ | |
2658 | } | |
2659 | ||
2660 | return rport; | |
2661 | } | |
2662 | ||
5fbe25c7 | 2663 | /* |
a36c61f9 KG |
2664 | * Remote port features (RPF) implementation. |
2665 | */ | |
2666 | ||
2667 | #define BFA_FCS_RPF_RETRIES (3) | |
2668 | #define BFA_FCS_RPF_RETRY_TIMEOUT (1000) /* 1 sec (In millisecs) */ | |
2669 | ||
2670 | static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg, | |
2671 | struct bfa_fcxp_s *fcxp_alloced); | |
2672 | static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, | |
2673 | struct bfa_fcxp_s *fcxp, | |
2674 | void *cbarg, | |
2675 | bfa_status_t req_status, | |
2676 | u32 rsp_len, | |
2677 | u32 resid_len, | |
2678 | struct fchs_s *rsp_fchs); | |
2679 | ||
2680 | static void bfa_fcs_rpf_timeout(void *arg); | |
2681 | ||
5fbe25c7 | 2682 | /* |
a36c61f9 KG |
2683 | * fcs_rport_ftrs_sm FCS rport state machine events |
2684 | */ | |
2685 | ||
2686 | enum rpf_event { | |
2687 | RPFSM_EVENT_RPORT_OFFLINE = 1, /* Rport offline */ | |
2688 | RPFSM_EVENT_RPORT_ONLINE = 2, /* Rport online */ | |
2689 | RPFSM_EVENT_FCXP_SENT = 3, /* Frame from has been sent */ | |
2690 | RPFSM_EVENT_TIMEOUT = 4, /* Rport SM timeout event */ | |
2691 | RPFSM_EVENT_RPSC_COMP = 5, | |
2692 | RPFSM_EVENT_RPSC_FAIL = 6, | |
2693 | RPFSM_EVENT_RPSC_ERROR = 7, | |
2694 | }; | |
2695 | ||
2696 | static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, | |
2697 | enum rpf_event event); | |
2698 | static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, | |
2699 | enum rpf_event event); | |
2700 | static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, | |
2701 | enum rpf_event event); | |
2702 | static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, | |
2703 | enum rpf_event event); | |
2704 | static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, | |
2705 | enum rpf_event event); | |
2706 | static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, | |
2707 | enum rpf_event event); | |
2708 | ||
2709 | static void | |
2710 | bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2711 | { | |
2712 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2713 | struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric; | |
2714 | ||
2715 | bfa_trc(rport->fcs, rport->pwwn); | |
2716 | bfa_trc(rport->fcs, rport->pid); | |
2717 | bfa_trc(rport->fcs, event); | |
2718 | ||
2719 | switch (event) { | |
2720 | case RPFSM_EVENT_RPORT_ONLINE: | |
2721 | /* Send RPSC2 to a Brocade fabric only. */ | |
2722 | if ((!BFA_FCS_PID_IS_WKA(rport->pid)) && | |
f7f73812 | 2723 | ((rport->port->fabric->lps->brcd_switch) || |
a36c61f9 KG |
2724 | (bfa_fcs_fabric_get_switch_oui(fabric) == |
2725 | BFA_FCS_BRCD_SWITCH_OUI))) { | |
2726 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); | |
2727 | rpf->rpsc_retries = 0; | |
2728 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); | |
2729 | } | |
2730 | break; | |
2731 | ||
2732 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2733 | break; | |
2734 | ||
2735 | default: | |
2736 | bfa_sm_fault(rport->fcs, event); | |
2737 | } | |
2738 | } | |
2739 | ||
2740 | static void | |
2741 | bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2742 | { | |
2743 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2744 | ||
2745 | bfa_trc(rport->fcs, event); | |
2746 | ||
2747 | switch (event) { | |
2748 | case RPFSM_EVENT_FCXP_SENT: | |
2749 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc); | |
2750 | break; | |
2751 | ||
2752 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2753 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2754 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe); | |
2755 | rpf->rpsc_retries = 0; | |
2756 | break; | |
2757 | ||
2758 | default: | |
2759 | bfa_sm_fault(rport->fcs, event); | |
2760 | } | |
2761 | } | |
2762 | ||
2763 | static void | |
2764 | bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2765 | { | |
2766 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2767 | ||
2768 | bfa_trc(rport->fcs, rport->pid); | |
2769 | bfa_trc(rport->fcs, event); | |
2770 | ||
2771 | switch (event) { | |
2772 | case RPFSM_EVENT_RPSC_COMP: | |
2773 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); | |
2774 | /* Update speed info in f/w via BFA */ | |
2775 | if (rpf->rpsc_speed != BFA_PORT_SPEED_UNKNOWN) | |
2776 | bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed); | |
2777 | else if (rpf->assigned_speed != BFA_PORT_SPEED_UNKNOWN) | |
2778 | bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed); | |
2779 | break; | |
2780 | ||
2781 | case RPFSM_EVENT_RPSC_FAIL: | |
2782 | /* RPSC not supported by rport */ | |
2783 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); | |
2784 | break; | |
2785 | ||
2786 | case RPFSM_EVENT_RPSC_ERROR: | |
2787 | /* need to retry...delayed a bit. */ | |
2788 | if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) { | |
2789 | bfa_timer_start(rport->fcs->bfa, &rpf->timer, | |
2790 | bfa_fcs_rpf_timeout, rpf, | |
2791 | BFA_FCS_RPF_RETRY_TIMEOUT); | |
2792 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry); | |
2793 | } else { | |
2794 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); | |
2795 | } | |
2796 | break; | |
2797 | ||
2798 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2799 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2800 | bfa_fcxp_discard(rpf->fcxp); | |
2801 | rpf->rpsc_retries = 0; | |
2802 | break; | |
2803 | ||
2804 | default: | |
2805 | bfa_sm_fault(rport->fcs, event); | |
2806 | } | |
2807 | } | |
2808 | ||
2809 | static void | |
2810 | bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2811 | { | |
2812 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2813 | ||
2814 | bfa_trc(rport->fcs, rport->pid); | |
2815 | bfa_trc(rport->fcs, event); | |
2816 | ||
2817 | switch (event) { | |
2818 | case RPFSM_EVENT_TIMEOUT: | |
2819 | /* re-send the RPSC */ | |
2820 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); | |
2821 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); | |
2822 | break; | |
2823 | ||
2824 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2825 | bfa_timer_stop(&rpf->timer); | |
2826 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2827 | rpf->rpsc_retries = 0; | |
2828 | break; | |
2829 | ||
2830 | default: | |
2831 | bfa_sm_fault(rport->fcs, event); | |
2832 | } | |
2833 | } | |
2834 | ||
2835 | static void | |
2836 | bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2837 | { | |
2838 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2839 | ||
2840 | bfa_trc(rport->fcs, rport->pwwn); | |
2841 | bfa_trc(rport->fcs, rport->pid); | |
2842 | bfa_trc(rport->fcs, event); | |
2843 | ||
2844 | switch (event) { | |
2845 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2846 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2847 | rpf->rpsc_retries = 0; | |
2848 | break; | |
2849 | ||
2850 | default: | |
2851 | bfa_sm_fault(rport->fcs, event); | |
2852 | } | |
2853 | } | |
2854 | ||
2855 | static void | |
2856 | bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2857 | { | |
2858 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2859 | ||
2860 | bfa_trc(rport->fcs, rport->pwwn); | |
2861 | bfa_trc(rport->fcs, rport->pid); | |
2862 | bfa_trc(rport->fcs, event); | |
2863 | ||
2864 | switch (event) { | |
2865 | case RPFSM_EVENT_RPORT_ONLINE: | |
2866 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); | |
2867 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); | |
2868 | break; | |
2869 | ||
2870 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2871 | break; | |
2872 | ||
2873 | default: | |
2874 | bfa_sm_fault(rport->fcs, event); | |
2875 | } | |
2876 | } | |
5fbe25c7 | 2877 | /* |
a36c61f9 KG |
2878 | * Called when Rport is created. |
2879 | */ | |
2880 | void | |
2881 | bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport) | |
2882 | { | |
2883 | struct bfa_fcs_rpf_s *rpf = &rport->rpf; | |
2884 | ||
2885 | bfa_trc(rport->fcs, rport->pid); | |
2886 | rpf->rport = rport; | |
2887 | ||
2888 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit); | |
2889 | } | |
2890 | ||
5fbe25c7 | 2891 | /* |
a36c61f9 KG |
2892 | * Called when Rport becomes online |
2893 | */ | |
2894 | void | |
2895 | bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport) | |
2896 | { | |
2897 | bfa_trc(rport->fcs, rport->pid); | |
2898 | ||
2899 | if (__fcs_min_cfg(rport->port->fcs)) | |
2900 | return; | |
2901 | ||
2902 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) | |
2903 | bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE); | |
2904 | } | |
2905 | ||
5fbe25c7 | 2906 | /* |
a36c61f9 KG |
2907 | * Called when Rport becomes offline |
2908 | */ | |
2909 | void | |
2910 | bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport) | |
2911 | { | |
2912 | bfa_trc(rport->fcs, rport->pid); | |
2913 | ||
2914 | if (__fcs_min_cfg(rport->port->fcs)) | |
2915 | return; | |
2916 | ||
2917 | rport->rpf.rpsc_speed = 0; | |
2918 | bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE); | |
2919 | } | |
2920 | ||
2921 | static void | |
2922 | bfa_fcs_rpf_timeout(void *arg) | |
2923 | { | |
2924 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg; | |
2925 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2926 | ||
2927 | bfa_trc(rport->fcs, rport->pid); | |
2928 | bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT); | |
2929 | } | |
2930 | ||
2931 | static void | |
2932 | bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
2933 | { | |
2934 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg; | |
2935 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2936 | struct bfa_fcs_lport_s *port = rport->port; | |
2937 | struct fchs_s fchs; | |
2938 | int len; | |
2939 | struct bfa_fcxp_s *fcxp; | |
2940 | ||
2941 | bfa_trc(rport->fcs, rport->pwwn); | |
2942 | ||
2943 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
2944 | if (!fcxp) { | |
2945 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe, | |
2946 | bfa_fcs_rpf_send_rpsc2, rpf); | |
2947 | return; | |
2948 | } | |
2949 | rpf->fcxp = fcxp; | |
2950 | ||
2951 | len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
2952 | bfa_fcs_lport_get_fcid(port), &rport->pid, 1); | |
2953 | ||
2954 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
2955 | FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response, | |
2956 | rpf, FC_MAX_PDUSZ, FC_ELS_TOV); | |
2957 | rport->stats.rpsc_sent++; | |
2958 | bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT); | |
2959 | ||
2960 | } | |
2961 | ||
2962 | static void | |
2963 | bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
2964 | bfa_status_t req_status, u32 rsp_len, | |
2965 | u32 resid_len, struct fchs_s *rsp_fchs) | |
2966 | { | |
2967 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg; | |
2968 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2969 | struct fc_ls_rjt_s *ls_rjt; | |
2970 | struct fc_rpsc2_acc_s *rpsc2_acc; | |
2971 | u16 num_ents; | |
2972 | ||
2973 | bfa_trc(rport->fcs, req_status); | |
2974 | ||
2975 | if (req_status != BFA_STATUS_OK) { | |
2976 | bfa_trc(rport->fcs, req_status); | |
2977 | if (req_status == BFA_STATUS_ETIMER) | |
2978 | rport->stats.rpsc_failed++; | |
2979 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); | |
2980 | return; | |
2981 | } | |
2982 | ||
2983 | rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp); | |
2984 | if (rpsc2_acc->els_cmd == FC_ELS_ACC) { | |
2985 | rport->stats.rpsc_accs++; | |
ba816ea8 | 2986 | num_ents = be16_to_cpu(rpsc2_acc->num_pids); |
a36c61f9 KG |
2987 | bfa_trc(rport->fcs, num_ents); |
2988 | if (num_ents > 0) { | |
d4b671c5 | 2989 | WARN_ON(rpsc2_acc->port_info[0].pid == rport->pid); |
a36c61f9 | 2990 | bfa_trc(rport->fcs, |
ba816ea8 | 2991 | be16_to_cpu(rpsc2_acc->port_info[0].pid)); |
a36c61f9 | 2992 | bfa_trc(rport->fcs, |
ba816ea8 | 2993 | be16_to_cpu(rpsc2_acc->port_info[0].speed)); |
a36c61f9 | 2994 | bfa_trc(rport->fcs, |
ba816ea8 | 2995 | be16_to_cpu(rpsc2_acc->port_info[0].index)); |
a36c61f9 KG |
2996 | bfa_trc(rport->fcs, |
2997 | rpsc2_acc->port_info[0].type); | |
2998 | ||
2999 | if (rpsc2_acc->port_info[0].speed == 0) { | |
3000 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); | |
3001 | return; | |
3002 | } | |
3003 | ||
3004 | rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed( | |
ba816ea8 | 3005 | be16_to_cpu(rpsc2_acc->port_info[0].speed)); |
a36c61f9 KG |
3006 | |
3007 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP); | |
3008 | } | |
3009 | } else { | |
3010 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
3011 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
3012 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
3013 | rport->stats.rpsc_rejects++; | |
3014 | if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP) | |
3015 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL); | |
3016 | else | |
3017 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); | |
3018 | } | |
3019 | } |