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Commit | Line | Data |
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7725ccfd | 1 | /* |
a36c61f9 | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
7725ccfd JH |
3 | * All rights reserved |
4 | * www.brocade.com | |
5 | * | |
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
10 | * published by the Free Software Foundation | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | ||
5fbe25c7 | 18 | /* |
7725ccfd JH |
19 | * rport.c Remote port implementation. |
20 | */ | |
21 | ||
f16a1750 | 22 | #include "bfad_drv.h" |
a36c61f9 KG |
23 | #include "bfa_fcs.h" |
24 | #include "bfa_fcbuild.h" | |
7725ccfd JH |
25 | |
26 | BFA_TRC_FILE(FCS, RPORT); | |
27 | ||
a36c61f9 KG |
28 | static u32 |
29 | bfa_fcs_rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; | |
30 | /* In millisecs */ | |
7725ccfd JH |
31 | /* |
32 | * forward declarations | |
33 | */ | |
a36c61f9 KG |
34 | static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc( |
35 | struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid); | |
36 | static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); | |
37 | static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); | |
38 | static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport); | |
39 | static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport); | |
40 | static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, | |
41 | struct fc_logi_s *plogi); | |
42 | static void bfa_fcs_rport_timeout(void *arg); | |
43 | static void bfa_fcs_rport_send_plogi(void *rport_cbarg, | |
7725ccfd | 44 | struct bfa_fcxp_s *fcxp_alloced); |
a36c61f9 KG |
45 | static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, |
46 | struct bfa_fcxp_s *fcxp_alloced); | |
47 | static void bfa_fcs_rport_plogi_response(void *fcsarg, | |
48 | struct bfa_fcxp_s *fcxp, void *cbarg, | |
49 | bfa_status_t req_status, u32 rsp_len, | |
50 | u32 resid_len, struct fchs_s *rsp_fchs); | |
51 | static void bfa_fcs_rport_send_adisc(void *rport_cbarg, | |
7725ccfd | 52 | struct bfa_fcxp_s *fcxp_alloced); |
a36c61f9 KG |
53 | static void bfa_fcs_rport_adisc_response(void *fcsarg, |
54 | struct bfa_fcxp_s *fcxp, void *cbarg, | |
55 | bfa_status_t req_status, u32 rsp_len, | |
56 | u32 resid_len, struct fchs_s *rsp_fchs); | |
57 | static void bfa_fcs_rport_send_nsdisc(void *rport_cbarg, | |
7725ccfd | 58 | struct bfa_fcxp_s *fcxp_alloced); |
a36c61f9 KG |
59 | static void bfa_fcs_rport_gidpn_response(void *fcsarg, |
60 | struct bfa_fcxp_s *fcxp, void *cbarg, | |
61 | bfa_status_t req_status, u32 rsp_len, | |
62 | u32 resid_len, struct fchs_s *rsp_fchs); | |
63 | static void bfa_fcs_rport_gpnid_response(void *fcsarg, | |
64 | struct bfa_fcxp_s *fcxp, void *cbarg, | |
65 | bfa_status_t req_status, u32 rsp_len, | |
66 | u32 resid_len, struct fchs_s *rsp_fchs); | |
67 | static void bfa_fcs_rport_send_logo(void *rport_cbarg, | |
7725ccfd | 68 | struct bfa_fcxp_s *fcxp_alloced); |
a36c61f9 KG |
69 | static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); |
70 | static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, | |
71 | struct fchs_s *rx_fchs, u16 len); | |
72 | static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, | |
73 | struct fchs_s *rx_fchs, u8 reason_code, | |
74 | u8 reason_code_expl); | |
75 | static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, | |
76 | struct fchs_s *rx_fchs, u16 len); | |
77 | static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport); | |
7725ccfd | 78 | |
a36c61f9 | 79 | static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, |
7725ccfd | 80 | enum rport_event event); |
a36c61f9 KG |
81 | static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, |
82 | enum rport_event event); | |
83 | static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 84 | enum rport_event event); |
a36c61f9 KG |
85 | static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, |
86 | enum rport_event event); | |
87 | static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 88 | enum rport_event event); |
a36c61f9 KG |
89 | static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, |
90 | enum rport_event event); | |
91 | static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, | |
92 | enum rport_event event); | |
93 | static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 94 | enum rport_event event); |
a36c61f9 | 95 | static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, |
7725ccfd | 96 | enum rport_event event); |
a36c61f9 KG |
97 | static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, |
98 | enum rport_event event); | |
99 | static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, | |
100 | enum rport_event event); | |
101 | static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, | |
102 | enum rport_event event); | |
103 | static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, | |
104 | enum rport_event event); | |
105 | static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, | |
106 | enum rport_event event); | |
107 | static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, | |
108 | enum rport_event event); | |
109 | static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, | |
110 | enum rport_event event); | |
111 | static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, | |
112 | enum rport_event event); | |
113 | static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, | |
114 | enum rport_event event); | |
115 | static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 116 | enum rport_event event); |
a36c61f9 KG |
117 | static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, |
118 | enum rport_event event); | |
119 | static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, | |
120 | enum rport_event event); | |
121 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
122 | enum rport_event event); | |
123 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 124 | enum rport_event event); |
7725ccfd JH |
125 | |
126 | static struct bfa_sm_table_s rport_sm_table[] = { | |
127 | {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, | |
128 | {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, | |
129 | {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, | |
130 | {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, | |
131 | {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, | |
132 | {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, | |
133 | {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, | |
134 | {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, | |
135 | {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, | |
136 | {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, | |
137 | {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, | |
138 | {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, | |
139 | {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, | |
140 | {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, | |
141 | {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, | |
142 | {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, | |
143 | {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, | |
144 | {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, | |
145 | {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, | |
146 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, | |
147 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, | |
148 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, | |
149 | }; | |
150 | ||
5fbe25c7 | 151 | /* |
a36c61f9 | 152 | * Beginning state. |
7725ccfd JH |
153 | */ |
154 | static void | |
155 | bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
156 | { | |
157 | bfa_trc(rport->fcs, rport->pwwn); | |
158 | bfa_trc(rport->fcs, rport->pid); | |
159 | bfa_trc(rport->fcs, event); | |
160 | ||
161 | switch (event) { | |
162 | case RPSM_EVENT_PLOGI_SEND: | |
163 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
164 | rport->plogi_retries = 0; | |
165 | bfa_fcs_rport_send_plogi(rport, NULL); | |
166 | break; | |
167 | ||
168 | case RPSM_EVENT_PLOGI_RCVD: | |
169 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
170 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
171 | break; | |
172 | ||
173 | case RPSM_EVENT_PLOGI_COMP: | |
174 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
175 | bfa_fcs_rport_hal_online(rport); | |
176 | break; | |
177 | ||
178 | case RPSM_EVENT_ADDRESS_CHANGE: | |
179 | case RPSM_EVENT_ADDRESS_DISC: | |
180 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
181 | rport->ns_retries = 0; | |
a36c61f9 | 182 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd | 183 | break; |
7725ccfd | 184 | default: |
e641de37 | 185 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
186 | } |
187 | } | |
188 | ||
5fbe25c7 | 189 | /* |
a36c61f9 | 190 | * PLOGI is being sent. |
7725ccfd JH |
191 | */ |
192 | static void | |
193 | bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 194 | enum rport_event event) |
7725ccfd JH |
195 | { |
196 | bfa_trc(rport->fcs, rport->pwwn); | |
197 | bfa_trc(rport->fcs, rport->pid); | |
198 | bfa_trc(rport->fcs, event); | |
199 | ||
200 | switch (event) { | |
201 | case RPSM_EVENT_FCXP_SENT: | |
202 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); | |
203 | break; | |
204 | ||
205 | case RPSM_EVENT_DELETE: | |
206 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
207 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
208 | bfa_fcs_rport_free(rport); | |
209 | break; | |
210 | ||
211 | case RPSM_EVENT_PLOGI_RCVD: | |
212 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
213 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
214 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
215 | break; | |
216 | ||
217 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 KG |
218 | case RPSM_EVENT_SCN: |
219 | /* query the NS */ | |
7725ccfd JH |
220 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
221 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
222 | rport->ns_retries = 0; | |
a36c61f9 | 223 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
224 | break; |
225 | ||
226 | case RPSM_EVENT_LOGO_IMP: | |
227 | rport->pid = 0; | |
228 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
229 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
230 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
231 | bfa_fcs_rport_timeout, rport, | |
232 | bfa_fcs_rport_del_timeout); | |
233 | break; | |
234 | ||
7725ccfd JH |
235 | |
236 | default: | |
e641de37 | 237 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
238 | } |
239 | } | |
240 | ||
5fbe25c7 | 241 | /* |
a36c61f9 | 242 | * PLOGI is being sent. |
7725ccfd JH |
243 | */ |
244 | static void | |
245 | bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 246 | enum rport_event event) |
7725ccfd JH |
247 | { |
248 | bfa_trc(rport->fcs, rport->pwwn); | |
249 | bfa_trc(rport->fcs, rport->pid); | |
250 | bfa_trc(rport->fcs, event); | |
251 | ||
252 | switch (event) { | |
253 | case RPSM_EVENT_FCXP_SENT: | |
254 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
255 | bfa_fcs_rport_hal_online(rport); | |
256 | break; | |
257 | ||
258 | case RPSM_EVENT_DELETE: | |
259 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
260 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
261 | bfa_fcs_rport_free(rport); | |
262 | break; | |
263 | ||
a36c61f9 | 264 | case RPSM_EVENT_PLOGI_RCVD: |
7725ccfd | 265 | case RPSM_EVENT_SCN: |
5fbe25c7 | 266 | /* |
7725ccfd JH |
267 | * Ignore, SCN is possibly online notification. |
268 | */ | |
269 | break; | |
270 | ||
271 | case RPSM_EVENT_ADDRESS_CHANGE: | |
272 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
273 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
274 | rport->ns_retries = 0; | |
a36c61f9 | 275 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
276 | break; |
277 | ||
278 | case RPSM_EVENT_LOGO_IMP: | |
279 | rport->pid = 0; | |
280 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
281 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
282 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
283 | bfa_fcs_rport_timeout, rport, | |
284 | bfa_fcs_rport_del_timeout); | |
285 | break; | |
286 | ||
287 | case RPSM_EVENT_HCB_OFFLINE: | |
5fbe25c7 | 288 | /* |
7725ccfd JH |
289 | * Ignore BFA callback, on a PLOGI receive we call bfa offline. |
290 | */ | |
291 | break; | |
292 | ||
293 | default: | |
e641de37 | 294 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
295 | } |
296 | } | |
297 | ||
5fbe25c7 | 298 | /* |
a36c61f9 | 299 | * PLOGI is sent. |
7725ccfd JH |
300 | */ |
301 | static void | |
302 | bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, | |
303 | enum rport_event event) | |
304 | { | |
305 | bfa_trc(rport->fcs, rport->pwwn); | |
306 | bfa_trc(rport->fcs, rport->pid); | |
307 | bfa_trc(rport->fcs, event); | |
308 | ||
309 | switch (event) { | |
7725ccfd | 310 | case RPSM_EVENT_TIMEOUT: |
a36c61f9 KG |
311 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
312 | bfa_fcs_rport_send_plogi(rport, NULL); | |
7725ccfd JH |
313 | break; |
314 | ||
315 | case RPSM_EVENT_DELETE: | |
316 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
317 | bfa_timer_stop(&rport->timer); | |
318 | bfa_fcs_rport_free(rport); | |
319 | break; | |
320 | ||
4b5e759d | 321 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
322 | case RPSM_EVENT_LOGO_RCVD: |
323 | break; | |
324 | ||
325 | case RPSM_EVENT_PLOGI_RCVD: | |
326 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
327 | bfa_timer_stop(&rport->timer); | |
328 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
329 | break; | |
330 | ||
331 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 332 | case RPSM_EVENT_SCN: |
7725ccfd JH |
333 | bfa_timer_stop(&rport->timer); |
334 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
335 | rport->ns_retries = 0; | |
a36c61f9 | 336 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
337 | break; |
338 | ||
339 | case RPSM_EVENT_LOGO_IMP: | |
340 | rport->pid = 0; | |
341 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
342 | bfa_timer_stop(&rport->timer); | |
343 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
344 | bfa_fcs_rport_timeout, rport, | |
345 | bfa_fcs_rport_del_timeout); | |
346 | break; | |
347 | ||
348 | case RPSM_EVENT_PLOGI_COMP: | |
349 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
350 | bfa_timer_stop(&rport->timer); | |
351 | bfa_fcs_rport_hal_online(rport); | |
352 | break; | |
353 | ||
354 | default: | |
e641de37 | 355 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
356 | } |
357 | } | |
358 | ||
5fbe25c7 | 359 | /* |
a36c61f9 | 360 | * PLOGI is sent. |
7725ccfd JH |
361 | */ |
362 | static void | |
363 | bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
364 | { | |
365 | bfa_trc(rport->fcs, rport->pwwn); | |
366 | bfa_trc(rport->fcs, rport->pid); | |
367 | bfa_trc(rport->fcs, event); | |
368 | ||
369 | switch (event) { | |
370 | case RPSM_EVENT_ACCEPTED: | |
371 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
372 | rport->plogi_retries = 0; | |
373 | bfa_fcs_rport_hal_online(rport); | |
374 | break; | |
375 | ||
376 | case RPSM_EVENT_LOGO_RCVD: | |
377 | bfa_fcs_rport_send_logo_acc(rport); | |
4b5e759d JH |
378 | /* |
379 | * !! fall through !! | |
380 | */ | |
381 | case RPSM_EVENT_PRLO_RCVD: | |
382 | if (rport->prlo == BFA_TRUE) | |
383 | bfa_fcs_rport_send_prlo_acc(rport); | |
384 | ||
7725ccfd JH |
385 | bfa_fcxp_discard(rport->fcxp); |
386 | /* | |
387 | * !! fall through !! | |
388 | */ | |
389 | case RPSM_EVENT_FAILED: | |
a36c61f9 KG |
390 | if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
391 | rport->plogi_retries++; | |
392 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); | |
393 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
394 | bfa_fcs_rport_timeout, rport, | |
395 | BFA_FCS_RETRY_TIMEOUT); | |
396 | } else { | |
397 | bfa_stats(rport->port, rport_del_max_plogi_retry); | |
398 | rport->pid = 0; | |
399 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
400 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
401 | bfa_fcs_rport_timeout, rport, | |
402 | bfa_fcs_rport_del_timeout); | |
403 | } | |
404 | break; | |
405 | ||
406 | case RPSM_EVENT_PLOGI_RETRY: | |
407 | rport->plogi_retries = 0; | |
7725ccfd JH |
408 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); |
409 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
410 | bfa_fcs_rport_timeout, rport, | |
a36c61f9 | 411 | (FC_RA_TOV * 1000)); |
7725ccfd JH |
412 | break; |
413 | ||
414 | case RPSM_EVENT_LOGO_IMP: | |
415 | rport->pid = 0; | |
416 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
417 | bfa_fcxp_discard(rport->fcxp); | |
418 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
419 | bfa_fcs_rport_timeout, rport, | |
420 | bfa_fcs_rport_del_timeout); | |
421 | break; | |
422 | ||
423 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 424 | case RPSM_EVENT_SCN: |
7725ccfd JH |
425 | bfa_fcxp_discard(rport->fcxp); |
426 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
427 | rport->ns_retries = 0; | |
a36c61f9 | 428 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
429 | break; |
430 | ||
431 | case RPSM_EVENT_PLOGI_RCVD: | |
432 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
433 | bfa_fcxp_discard(rport->fcxp); | |
434 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
435 | break; | |
436 | ||
7725ccfd JH |
437 | case RPSM_EVENT_DELETE: |
438 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
439 | bfa_fcxp_discard(rport->fcxp); | |
440 | bfa_fcs_rport_free(rport); | |
441 | break; | |
442 | ||
443 | case RPSM_EVENT_PLOGI_COMP: | |
444 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
445 | bfa_fcxp_discard(rport->fcxp); | |
446 | bfa_fcs_rport_hal_online(rport); | |
447 | break; | |
448 | ||
449 | default: | |
e641de37 | 450 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
451 | } |
452 | } | |
453 | ||
5fbe25c7 | 454 | /* |
a36c61f9 KG |
455 | * PLOGI is complete. Awaiting BFA rport online callback. FC-4s |
456 | * are offline. | |
7725ccfd JH |
457 | */ |
458 | static void | |
459 | bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, | |
460 | enum rport_event event) | |
461 | { | |
462 | bfa_trc(rport->fcs, rport->pwwn); | |
463 | bfa_trc(rport->fcs, rport->pid); | |
464 | bfa_trc(rport->fcs, event); | |
465 | ||
466 | switch (event) { | |
467 | case RPSM_EVENT_HCB_ONLINE: | |
468 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); | |
469 | bfa_fcs_rport_online_action(rport); | |
470 | break; | |
471 | ||
4b5e759d JH |
472 | case RPSM_EVENT_PRLO_RCVD: |
473 | break; | |
474 | ||
7725ccfd JH |
475 | case RPSM_EVENT_LOGO_RCVD: |
476 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); | |
f7f73812 | 477 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
478 | break; |
479 | ||
480 | case RPSM_EVENT_LOGO_IMP: | |
481 | case RPSM_EVENT_ADDRESS_CHANGE: | |
482 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
f7f73812 | 483 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
484 | break; |
485 | ||
486 | case RPSM_EVENT_PLOGI_RCVD: | |
487 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
f7f73812 | 488 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
489 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
490 | break; | |
491 | ||
492 | case RPSM_EVENT_DELETE: | |
493 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
f7f73812 | 494 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
495 | break; |
496 | ||
497 | case RPSM_EVENT_SCN: | |
5fbe25c7 | 498 | /* |
7725ccfd JH |
499 | * @todo |
500 | * Ignore SCN - PLOGI just completed, FC-4 login should detect | |
501 | * device failures. | |
502 | */ | |
503 | break; | |
504 | ||
505 | default: | |
e641de37 | 506 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
507 | } |
508 | } | |
509 | ||
5fbe25c7 | 510 | /* |
a36c61f9 | 511 | * Rport is ONLINE. FC-4s active. |
7725ccfd JH |
512 | */ |
513 | static void | |
514 | bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
515 | { | |
516 | bfa_trc(rport->fcs, rport->pwwn); | |
517 | bfa_trc(rport->fcs, rport->pid); | |
518 | bfa_trc(rport->fcs, event); | |
519 | ||
520 | switch (event) { | |
521 | case RPSM_EVENT_SCN: | |
7725ccfd JH |
522 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
523 | bfa_sm_set_state(rport, | |
524 | bfa_fcs_rport_sm_nsquery_sending); | |
525 | rport->ns_retries = 0; | |
a36c61f9 | 526 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
527 | } else { |
528 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); | |
529 | bfa_fcs_rport_send_adisc(rport, NULL); | |
530 | } | |
531 | break; | |
532 | ||
533 | case RPSM_EVENT_PLOGI_RCVD: | |
534 | case RPSM_EVENT_LOGO_IMP: | |
535 | case RPSM_EVENT_ADDRESS_CHANGE: | |
536 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
537 | bfa_fcs_rport_offline_action(rport); | |
538 | break; | |
539 | ||
540 | case RPSM_EVENT_DELETE: | |
541 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
542 | bfa_fcs_rport_offline_action(rport); | |
543 | break; | |
544 | ||
545 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 546 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
547 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
548 | bfa_fcs_rport_offline_action(rport); | |
549 | break; | |
550 | ||
551 | case RPSM_EVENT_PLOGI_COMP: | |
552 | break; | |
553 | ||
554 | default: | |
e641de37 | 555 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
556 | } |
557 | } | |
558 | ||
5fbe25c7 | 559 | /* |
a36c61f9 KG |
560 | * An SCN event is received in ONLINE state. NS query is being sent |
561 | * prior to ADISC authentication with rport. FC-4s are paused. | |
7725ccfd JH |
562 | */ |
563 | static void | |
564 | bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 565 | enum rport_event event) |
7725ccfd JH |
566 | { |
567 | bfa_trc(rport->fcs, rport->pwwn); | |
568 | bfa_trc(rport->fcs, rport->pid); | |
569 | bfa_trc(rport->fcs, event); | |
570 | ||
571 | switch (event) { | |
572 | case RPSM_EVENT_FCXP_SENT: | |
573 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); | |
574 | break; | |
575 | ||
576 | case RPSM_EVENT_DELETE: | |
577 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
578 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
579 | bfa_fcs_rport_offline_action(rport); | |
580 | break; | |
581 | ||
582 | case RPSM_EVENT_SCN: | |
5fbe25c7 | 583 | /* |
7725ccfd JH |
584 | * ignore SCN, wait for response to query itself |
585 | */ | |
586 | break; | |
587 | ||
588 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 589 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
590 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
591 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
592 | bfa_fcs_rport_offline_action(rport); | |
593 | break; | |
594 | ||
595 | case RPSM_EVENT_LOGO_IMP: | |
596 | rport->pid = 0; | |
597 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
598 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
599 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
600 | bfa_fcs_rport_timeout, rport, | |
601 | bfa_fcs_rport_del_timeout); | |
602 | break; | |
603 | ||
604 | case RPSM_EVENT_PLOGI_RCVD: | |
605 | case RPSM_EVENT_ADDRESS_CHANGE: | |
606 | case RPSM_EVENT_PLOGI_COMP: | |
607 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
608 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
609 | bfa_fcs_rport_offline_action(rport); | |
610 | break; | |
611 | ||
612 | default: | |
e641de37 | 613 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
614 | } |
615 | } | |
616 | ||
5fbe25c7 | 617 | /* |
a36c61f9 KG |
618 | * An SCN event is received in ONLINE state. NS query is sent to rport. |
619 | * FC-4s are paused. | |
7725ccfd JH |
620 | */ |
621 | static void | |
622 | bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
623 | { | |
624 | bfa_trc(rport->fcs, rport->pwwn); | |
625 | bfa_trc(rport->fcs, rport->pid); | |
626 | bfa_trc(rport->fcs, event); | |
627 | ||
628 | switch (event) { | |
629 | case RPSM_EVENT_ACCEPTED: | |
630 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); | |
631 | bfa_fcs_rport_send_adisc(rport, NULL); | |
632 | break; | |
633 | ||
634 | case RPSM_EVENT_FAILED: | |
635 | rport->ns_retries++; | |
636 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
637 | bfa_sm_set_state(rport, | |
638 | bfa_fcs_rport_sm_nsquery_sending); | |
a36c61f9 | 639 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
640 | } else { |
641 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
642 | bfa_fcs_rport_offline_action(rport); | |
643 | } | |
644 | break; | |
645 | ||
646 | case RPSM_EVENT_DELETE: | |
647 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
648 | bfa_fcxp_discard(rport->fcxp); | |
649 | bfa_fcs_rport_offline_action(rport); | |
650 | break; | |
651 | ||
652 | case RPSM_EVENT_SCN: | |
653 | break; | |
654 | ||
655 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 656 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
657 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
658 | bfa_fcxp_discard(rport->fcxp); | |
659 | bfa_fcs_rport_offline_action(rport); | |
660 | break; | |
661 | ||
662 | case RPSM_EVENT_PLOGI_COMP: | |
663 | case RPSM_EVENT_ADDRESS_CHANGE: | |
664 | case RPSM_EVENT_PLOGI_RCVD: | |
665 | case RPSM_EVENT_LOGO_IMP: | |
666 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
667 | bfa_fcxp_discard(rport->fcxp); | |
668 | bfa_fcs_rport_offline_action(rport); | |
669 | break; | |
670 | ||
671 | default: | |
e641de37 | 672 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
673 | } |
674 | } | |
675 | ||
5fbe25c7 | 676 | /* |
a36c61f9 KG |
677 | * An SCN event is received in ONLINE state. ADISC is being sent for |
678 | * authenticating with rport. FC-4s are paused. | |
7725ccfd JH |
679 | */ |
680 | static void | |
681 | bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 682 | enum rport_event event) |
7725ccfd JH |
683 | { |
684 | bfa_trc(rport->fcs, rport->pwwn); | |
685 | bfa_trc(rport->fcs, rport->pid); | |
686 | bfa_trc(rport->fcs, event); | |
687 | ||
688 | switch (event) { | |
689 | case RPSM_EVENT_FCXP_SENT: | |
690 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc); | |
691 | break; | |
692 | ||
693 | case RPSM_EVENT_DELETE: | |
694 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
695 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
696 | bfa_fcs_rport_offline_action(rport); | |
697 | break; | |
698 | ||
699 | case RPSM_EVENT_LOGO_IMP: | |
700 | case RPSM_EVENT_ADDRESS_CHANGE: | |
701 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
702 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
703 | bfa_fcs_rport_offline_action(rport); | |
704 | break; | |
705 | ||
706 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 707 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
708 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
709 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
710 | bfa_fcs_rport_offline_action(rport); | |
711 | break; | |
712 | ||
713 | case RPSM_EVENT_SCN: | |
714 | break; | |
715 | ||
716 | case RPSM_EVENT_PLOGI_RCVD: | |
717 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
718 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
719 | bfa_fcs_rport_offline_action(rport); | |
720 | break; | |
721 | ||
722 | default: | |
e641de37 | 723 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
724 | } |
725 | } | |
726 | ||
5fbe25c7 | 727 | /* |
a36c61f9 KG |
728 | * An SCN event is received in ONLINE state. ADISC is to rport. |
729 | * FC-4s are paused. | |
7725ccfd JH |
730 | */ |
731 | static void | |
732 | bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
733 | { | |
734 | bfa_trc(rport->fcs, rport->pwwn); | |
735 | bfa_trc(rport->fcs, rport->pid); | |
736 | bfa_trc(rport->fcs, event); | |
737 | ||
738 | switch (event) { | |
739 | case RPSM_EVENT_ACCEPTED: | |
740 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); | |
7725ccfd JH |
741 | break; |
742 | ||
743 | case RPSM_EVENT_PLOGI_RCVD: | |
5fbe25c7 | 744 | /* |
7725ccfd JH |
745 | * Too complex to cleanup FC-4 & rport and then acc to PLOGI. |
746 | * At least go offline when a PLOGI is received. | |
747 | */ | |
748 | bfa_fcxp_discard(rport->fcxp); | |
749 | /* | |
750 | * !!! fall through !!! | |
751 | */ | |
752 | ||
753 | case RPSM_EVENT_FAILED: | |
754 | case RPSM_EVENT_ADDRESS_CHANGE: | |
755 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
756 | bfa_fcs_rport_offline_action(rport); | |
757 | break; | |
758 | ||
759 | case RPSM_EVENT_DELETE: | |
760 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
761 | bfa_fcxp_discard(rport->fcxp); | |
762 | bfa_fcs_rport_offline_action(rport); | |
763 | break; | |
764 | ||
765 | case RPSM_EVENT_SCN: | |
5fbe25c7 | 766 | /* |
7725ccfd JH |
767 | * already processing RSCN |
768 | */ | |
769 | break; | |
770 | ||
771 | case RPSM_EVENT_LOGO_IMP: | |
772 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
773 | bfa_fcxp_discard(rport->fcxp); | |
774 | bfa_fcs_rport_offline_action(rport); | |
775 | break; | |
776 | ||
777 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 778 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
779 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
780 | bfa_fcxp_discard(rport->fcxp); | |
781 | bfa_fcs_rport_offline_action(rport); | |
782 | break; | |
783 | ||
784 | default: | |
e641de37 | 785 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
786 | } |
787 | } | |
788 | ||
5fbe25c7 | 789 | /* |
a36c61f9 | 790 | * Rport has sent LOGO. Awaiting FC-4 offline completion callback. |
7725ccfd JH |
791 | */ |
792 | static void | |
793 | bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, | |
794 | enum rport_event event) | |
795 | { | |
796 | bfa_trc(rport->fcs, rport->pwwn); | |
797 | bfa_trc(rport->fcs, rport->pid); | |
798 | bfa_trc(rport->fcs, event); | |
799 | ||
800 | switch (event) { | |
801 | case RPSM_EVENT_FC4_OFFLINE: | |
802 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); | |
f7f73812 | 803 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
804 | break; |
805 | ||
806 | case RPSM_EVENT_DELETE: | |
807 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
808 | break; | |
809 | ||
810 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 811 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
812 | case RPSM_EVENT_ADDRESS_CHANGE: |
813 | break; | |
814 | ||
815 | default: | |
e641de37 | 816 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
817 | } |
818 | } | |
819 | ||
5fbe25c7 | 820 | /* |
a36c61f9 KG |
821 | * LOGO needs to be sent to rport. Awaiting FC-4 offline completion |
822 | * callback. | |
7725ccfd JH |
823 | */ |
824 | static void | |
825 | bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 826 | enum rport_event event) |
7725ccfd JH |
827 | { |
828 | bfa_trc(rport->fcs, rport->pwwn); | |
829 | bfa_trc(rport->fcs, rport->pid); | |
830 | bfa_trc(rport->fcs, event); | |
831 | ||
832 | switch (event) { | |
833 | case RPSM_EVENT_FC4_OFFLINE: | |
834 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
f7f73812 | 835 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
836 | break; |
837 | ||
838 | default: | |
e641de37 | 839 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
840 | } |
841 | } | |
842 | ||
5fbe25c7 | 843 | /* |
a36c61f9 | 844 | * Rport is going offline. Awaiting FC-4 offline completion callback. |
7725ccfd JH |
845 | */ |
846 | static void | |
847 | bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, | |
848 | enum rport_event event) | |
849 | { | |
850 | bfa_trc(rport->fcs, rport->pwwn); | |
851 | bfa_trc(rport->fcs, rport->pid); | |
852 | bfa_trc(rport->fcs, event); | |
853 | ||
854 | switch (event) { | |
855 | case RPSM_EVENT_FC4_OFFLINE: | |
856 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
f7f73812 | 857 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
7725ccfd JH |
858 | break; |
859 | ||
860 | case RPSM_EVENT_SCN: | |
861 | case RPSM_EVENT_LOGO_IMP: | |
862 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 863 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd | 864 | case RPSM_EVENT_ADDRESS_CHANGE: |
5fbe25c7 | 865 | /* |
7725ccfd JH |
866 | * rport is already going offline. |
867 | * SCN - ignore and wait till transitioning to offline state | |
868 | */ | |
869 | break; | |
870 | ||
871 | case RPSM_EVENT_DELETE: | |
872 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
873 | break; | |
874 | ||
875 | default: | |
e641de37 | 876 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
877 | } |
878 | } | |
879 | ||
5fbe25c7 | 880 | /* |
a36c61f9 KG |
881 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
882 | * callback. | |
7725ccfd JH |
883 | */ |
884 | static void | |
885 | bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 886 | enum rport_event event) |
7725ccfd JH |
887 | { |
888 | bfa_trc(rport->fcs, rport->pwwn); | |
889 | bfa_trc(rport->fcs, rport->pid); | |
890 | bfa_trc(rport->fcs, event); | |
891 | ||
892 | switch (event) { | |
893 | case RPSM_EVENT_HCB_OFFLINE: | |
894 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 895 | if (bfa_fcs_lport_is_online(rport->port)) { |
72041ed8 KG |
896 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
897 | bfa_sm_set_state(rport, | |
898 | bfa_fcs_rport_sm_nsdisc_sending); | |
899 | rport->ns_retries = 0; | |
a36c61f9 | 900 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
72041ed8 KG |
901 | } else { |
902 | bfa_sm_set_state(rport, | |
903 | bfa_fcs_rport_sm_plogi_sending); | |
904 | rport->plogi_retries = 0; | |
905 | bfa_fcs_rport_send_plogi(rport, NULL); | |
906 | } | |
7725ccfd JH |
907 | } else { |
908 | rport->pid = 0; | |
909 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
910 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
911 | bfa_fcs_rport_timeout, rport, | |
912 | bfa_fcs_rport_del_timeout); | |
913 | } | |
914 | break; | |
915 | ||
916 | case RPSM_EVENT_DELETE: | |
917 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
918 | bfa_fcs_rport_free(rport); | |
919 | break; | |
920 | ||
921 | case RPSM_EVENT_SCN: | |
922 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 923 | case RPSM_EVENT_PRLO_RCVD: |
5fbe25c7 | 924 | /* |
7725ccfd JH |
925 | * Ignore, already offline. |
926 | */ | |
927 | break; | |
928 | ||
929 | default: | |
e641de37 | 930 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
931 | } |
932 | } | |
933 | ||
5fbe25c7 | 934 | /* |
a36c61f9 KG |
935 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
936 | * callback to send LOGO accept. | |
7725ccfd JH |
937 | */ |
938 | static void | |
939 | bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, | |
940 | enum rport_event event) | |
941 | { | |
942 | bfa_trc(rport->fcs, rport->pwwn); | |
943 | bfa_trc(rport->fcs, rport->pid); | |
944 | bfa_trc(rport->fcs, event); | |
945 | ||
946 | switch (event) { | |
947 | case RPSM_EVENT_HCB_OFFLINE: | |
948 | case RPSM_EVENT_ADDRESS_CHANGE: | |
4b5e759d JH |
949 | if (rport->pid && (rport->prlo == BFA_TRUE)) |
950 | bfa_fcs_rport_send_prlo_acc(rport); | |
951 | if (rport->pid && (rport->prlo == BFA_FALSE)) | |
7725ccfd JH |
952 | bfa_fcs_rport_send_logo_acc(rport); |
953 | /* | |
a36c61f9 KG |
954 | * If the lport is online and if the rport is not a well |
955 | * known address port, | |
956 | * we try to re-discover the r-port. | |
7725ccfd | 957 | */ |
a36c61f9 KG |
958 | if (bfa_fcs_lport_is_online(rport->port) && |
959 | (!BFA_FCS_PID_IS_WKA(rport->pid))) { | |
7725ccfd | 960 | bfa_sm_set_state(rport, |
a36c61f9 | 961 | bfa_fcs_rport_sm_nsdisc_sending); |
7725ccfd | 962 | rport->ns_retries = 0; |
a36c61f9 | 963 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
964 | } else { |
965 | /* | |
a36c61f9 KG |
966 | * if it is not a well known address, reset the |
967 | * pid to 0. | |
7725ccfd JH |
968 | */ |
969 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
970 | rport->pid = 0; | |
971 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
972 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
973 | bfa_fcs_rport_timeout, rport, | |
974 | bfa_fcs_rport_del_timeout); | |
975 | } | |
976 | break; | |
977 | ||
978 | case RPSM_EVENT_DELETE: | |
979 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
980 | break; | |
981 | ||
982 | case RPSM_EVENT_LOGO_IMP: | |
983 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
984 | break; | |
985 | ||
986 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 987 | case RPSM_EVENT_PRLO_RCVD: |
5fbe25c7 | 988 | /* |
7725ccfd JH |
989 | * Ignore - already processing a LOGO. |
990 | */ | |
991 | break; | |
992 | ||
993 | default: | |
e641de37 | 994 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
995 | } |
996 | } | |
997 | ||
5fbe25c7 | 998 | /* |
a36c61f9 KG |
999 | * Rport is being deleted. FC-4s are offline. |
1000 | * Awaiting BFA rport offline | |
1001 | * callback to send LOGO. | |
7725ccfd JH |
1002 | */ |
1003 | static void | |
1004 | bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1005 | enum rport_event event) |
7725ccfd JH |
1006 | { |
1007 | bfa_trc(rport->fcs, rport->pwwn); | |
1008 | bfa_trc(rport->fcs, rport->pid); | |
1009 | bfa_trc(rport->fcs, event); | |
1010 | ||
1011 | switch (event) { | |
1012 | case RPSM_EVENT_HCB_OFFLINE: | |
1013 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); | |
1014 | bfa_fcs_rport_send_logo(rport, NULL); | |
1015 | break; | |
1016 | ||
1017 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1018 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1019 | case RPSM_EVENT_ADDRESS_CHANGE: |
1020 | break; | |
1021 | ||
1022 | default: | |
e641de37 | 1023 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1024 | } |
1025 | } | |
1026 | ||
5fbe25c7 | 1027 | /* |
a36c61f9 | 1028 | * Rport is being deleted. FC-4s are offline. LOGO is being sent. |
7725ccfd JH |
1029 | */ |
1030 | static void | |
1031 | bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1032 | enum rport_event event) |
7725ccfd JH |
1033 | { |
1034 | bfa_trc(rport->fcs, rport->pwwn); | |
1035 | bfa_trc(rport->fcs, rport->pid); | |
1036 | bfa_trc(rport->fcs, event); | |
1037 | ||
1038 | switch (event) { | |
1039 | case RPSM_EVENT_FCXP_SENT: | |
a36c61f9 | 1040 | /* Once LOGO is sent, we donot wait for the response */ |
7725ccfd JH |
1041 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
1042 | bfa_fcs_rport_free(rport); | |
1043 | break; | |
1044 | ||
1045 | case RPSM_EVENT_SCN: | |
1046 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1047 | break; | |
1048 | ||
1049 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1050 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1051 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
1052 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1053 | bfa_fcs_rport_free(rport); | |
1054 | break; | |
1055 | ||
1056 | default: | |
e641de37 | 1057 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1058 | } |
1059 | } | |
1060 | ||
5fbe25c7 | 1061 | /* |
a36c61f9 KG |
1062 | * Rport is offline. FC-4s are offline. BFA rport is offline. |
1063 | * Timer active to delete stale rport. | |
7725ccfd JH |
1064 | */ |
1065 | static void | |
1066 | bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
1067 | { | |
1068 | bfa_trc(rport->fcs, rport->pwwn); | |
1069 | bfa_trc(rport->fcs, rport->pid); | |
1070 | bfa_trc(rport->fcs, event); | |
1071 | ||
1072 | switch (event) { | |
1073 | case RPSM_EVENT_TIMEOUT: | |
1074 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1075 | bfa_fcs_rport_free(rport); | |
1076 | break; | |
1077 | ||
1078 | case RPSM_EVENT_SCN: | |
1079 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1080 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1081 | bfa_timer_stop(&rport->timer); | |
1082 | rport->ns_retries = 0; | |
a36c61f9 | 1083 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1084 | break; |
1085 | ||
1086 | case RPSM_EVENT_DELETE: | |
1087 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1088 | bfa_timer_stop(&rport->timer); | |
1089 | bfa_fcs_rport_free(rport); | |
1090 | break; | |
1091 | ||
1092 | case RPSM_EVENT_PLOGI_RCVD: | |
1093 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1094 | bfa_timer_stop(&rport->timer); | |
1095 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1096 | break; | |
1097 | ||
1098 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1099 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1100 | case RPSM_EVENT_LOGO_IMP: |
1101 | break; | |
1102 | ||
1103 | case RPSM_EVENT_PLOGI_COMP: | |
1104 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1105 | bfa_timer_stop(&rport->timer); | |
1106 | bfa_fcs_rport_hal_online(rport); | |
1107 | break; | |
1108 | ||
1109 | case RPSM_EVENT_PLOGI_SEND: | |
1110 | bfa_timer_stop(&rport->timer); | |
1111 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
1112 | rport->plogi_retries = 0; | |
1113 | bfa_fcs_rport_send_plogi(rport, NULL); | |
1114 | break; | |
1115 | ||
1116 | default: | |
e641de37 | 1117 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1118 | } |
1119 | } | |
1120 | ||
5fbe25c7 | 1121 | /* |
a36c61f9 | 1122 | * Rport address has changed. Nameserver discovery request is being sent. |
7725ccfd JH |
1123 | */ |
1124 | static void | |
1125 | bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1126 | enum rport_event event) |
7725ccfd JH |
1127 | { |
1128 | bfa_trc(rport->fcs, rport->pwwn); | |
1129 | bfa_trc(rport->fcs, rport->pid); | |
1130 | bfa_trc(rport->fcs, event); | |
1131 | ||
1132 | switch (event) { | |
1133 | case RPSM_EVENT_FCXP_SENT: | |
1134 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); | |
1135 | break; | |
1136 | ||
1137 | case RPSM_EVENT_DELETE: | |
1138 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1139 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1140 | bfa_fcs_rport_free(rport); | |
1141 | break; | |
1142 | ||
1143 | case RPSM_EVENT_PLOGI_RCVD: | |
1144 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1145 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1146 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1147 | break; | |
1148 | ||
1149 | case RPSM_EVENT_SCN: | |
1150 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1151 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1152 | case RPSM_EVENT_PLOGI_SEND: |
1153 | break; | |
1154 | ||
1155 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 1156 | rport->ns_retries = 0; /* reset the retry count */ |
7725ccfd JH |
1157 | break; |
1158 | ||
1159 | case RPSM_EVENT_LOGO_IMP: | |
1160 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1161 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1162 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1163 | bfa_fcs_rport_timeout, rport, | |
1164 | bfa_fcs_rport_del_timeout); | |
1165 | break; | |
1166 | ||
1167 | case RPSM_EVENT_PLOGI_COMP: | |
1168 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1169 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1170 | bfa_fcs_rport_hal_online(rport); | |
1171 | break; | |
1172 | ||
1173 | default: | |
e641de37 | 1174 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1175 | } |
1176 | } | |
1177 | ||
5fbe25c7 | 1178 | /* |
a36c61f9 | 1179 | * Nameserver discovery failed. Waiting for timeout to retry. |
7725ccfd JH |
1180 | */ |
1181 | static void | |
1182 | bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1183 | enum rport_event event) |
7725ccfd JH |
1184 | { |
1185 | bfa_trc(rport->fcs, rport->pwwn); | |
1186 | bfa_trc(rport->fcs, rport->pid); | |
1187 | bfa_trc(rport->fcs, event); | |
1188 | ||
1189 | switch (event) { | |
1190 | case RPSM_EVENT_TIMEOUT: | |
1191 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
a36c61f9 | 1192 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1193 | break; |
1194 | ||
1195 | case RPSM_EVENT_SCN: | |
1196 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1197 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1198 | bfa_timer_stop(&rport->timer); | |
1199 | rport->ns_retries = 0; | |
a36c61f9 | 1200 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1201 | break; |
1202 | ||
1203 | case RPSM_EVENT_DELETE: | |
1204 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1205 | bfa_timer_stop(&rport->timer); | |
1206 | bfa_fcs_rport_free(rport); | |
1207 | break; | |
1208 | ||
1209 | case RPSM_EVENT_PLOGI_RCVD: | |
1210 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1211 | bfa_timer_stop(&rport->timer); | |
1212 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1213 | break; | |
1214 | ||
1215 | case RPSM_EVENT_LOGO_IMP: | |
1216 | rport->pid = 0; | |
1217 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1218 | bfa_timer_stop(&rport->timer); | |
1219 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1220 | bfa_fcs_rport_timeout, rport, | |
1221 | bfa_fcs_rport_del_timeout); | |
1222 | break; | |
1223 | ||
1224 | case RPSM_EVENT_LOGO_RCVD: | |
1225 | bfa_fcs_rport_send_logo_acc(rport); | |
1226 | break; | |
4b5e759d JH |
1227 | case RPSM_EVENT_PRLO_RCVD: |
1228 | bfa_fcs_rport_send_prlo_acc(rport); | |
1229 | break; | |
1230 | ||
7725ccfd JH |
1231 | case RPSM_EVENT_PLOGI_COMP: |
1232 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1233 | bfa_timer_stop(&rport->timer); | |
1234 | bfa_fcs_rport_hal_online(rport); | |
1235 | break; | |
1236 | ||
1237 | default: | |
e641de37 | 1238 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1239 | } |
1240 | } | |
1241 | ||
5fbe25c7 | 1242 | /* |
a36c61f9 | 1243 | * Rport address has changed. Nameserver discovery request is sent. |
7725ccfd JH |
1244 | */ |
1245 | static void | |
1246 | bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
1247 | enum rport_event event) | |
1248 | { | |
1249 | bfa_trc(rport->fcs, rport->pwwn); | |
1250 | bfa_trc(rport->fcs, rport->pid); | |
1251 | bfa_trc(rport->fcs, event); | |
1252 | ||
1253 | switch (event) { | |
1254 | case RPSM_EVENT_ACCEPTED: | |
1255 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1256 | if (rport->pid) { | |
1257 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
1258 | bfa_fcs_rport_send_plogi(rport, NULL); | |
1259 | } else { | |
1260 | bfa_sm_set_state(rport, | |
a36c61f9 | 1261 | bfa_fcs_rport_sm_nsdisc_sending); |
7725ccfd | 1262 | rport->ns_retries = 0; |
a36c61f9 | 1263 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1264 | } |
1265 | break; | |
1266 | ||
1267 | case RPSM_EVENT_FAILED: | |
1268 | rport->ns_retries++; | |
1269 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
1270 | bfa_sm_set_state(rport, | |
a36c61f9 KG |
1271 | bfa_fcs_rport_sm_nsdisc_sending); |
1272 | bfa_fcs_rport_send_nsdisc(rport, NULL); | |
7725ccfd JH |
1273 | } else { |
1274 | rport->pid = 0; | |
1275 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1276 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1277 | bfa_fcs_rport_timeout, rport, | |
1278 | bfa_fcs_rport_del_timeout); | |
1279 | }; | |
1280 | break; | |
1281 | ||
1282 | case RPSM_EVENT_DELETE: | |
1283 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1284 | bfa_fcxp_discard(rport->fcxp); | |
1285 | bfa_fcs_rport_free(rport); | |
1286 | break; | |
1287 | ||
1288 | case RPSM_EVENT_PLOGI_RCVD: | |
1289 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1290 | bfa_fcxp_discard(rport->fcxp); | |
1291 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1292 | break; | |
1293 | ||
1294 | case RPSM_EVENT_LOGO_IMP: | |
1295 | rport->pid = 0; | |
1296 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1297 | bfa_fcxp_discard(rport->fcxp); | |
1298 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1299 | bfa_fcs_rport_timeout, rport, | |
1300 | bfa_fcs_rport_del_timeout); | |
1301 | break; | |
1302 | ||
a36c61f9 | 1303 | |
4b5e759d JH |
1304 | case RPSM_EVENT_PRLO_RCVD: |
1305 | bfa_fcs_rport_send_prlo_acc(rport); | |
1306 | break; | |
7725ccfd | 1307 | case RPSM_EVENT_SCN: |
5fbe25c7 | 1308 | /* |
7725ccfd JH |
1309 | * ignore, wait for NS query response |
1310 | */ | |
1311 | break; | |
1312 | ||
1313 | case RPSM_EVENT_LOGO_RCVD: | |
5fbe25c7 | 1314 | /* |
7725ccfd JH |
1315 | * Not logged-in yet. Accept LOGO. |
1316 | */ | |
1317 | bfa_fcs_rport_send_logo_acc(rport); | |
1318 | break; | |
1319 | ||
1320 | case RPSM_EVENT_PLOGI_COMP: | |
1321 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1322 | bfa_fcxp_discard(rport->fcxp); | |
1323 | bfa_fcs_rport_hal_online(rport); | |
1324 | break; | |
1325 | ||
1326 | default: | |
e641de37 | 1327 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1328 | } |
1329 | } | |
1330 | ||
1331 | ||
1332 | ||
5fbe25c7 | 1333 | /* |
7725ccfd JH |
1334 | * fcs_rport_private FCS RPORT provate functions |
1335 | */ | |
1336 | ||
1337 | static void | |
1338 | bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1339 | { | |
1340 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1341 | struct bfa_fcs_lport_s *port = rport->port; |
1342 | struct fchs_s fchs; | |
1343 | int len; | |
7725ccfd JH |
1344 | struct bfa_fcxp_s *fcxp; |
1345 | ||
1346 | bfa_trc(rport->fcs, rport->pwwn); | |
1347 | ||
1348 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1349 | if (!fcxp) { | |
a36c61f9 KG |
1350 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1351 | bfa_fcs_rport_send_plogi, rport); | |
7725ccfd JH |
1352 | return; |
1353 | } | |
1354 | rport->fcxp = fcxp; | |
1355 | ||
1356 | len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
a36c61f9 KG |
1357 | bfa_fcs_lport_get_fcid(port), 0, |
1358 | port->port_cfg.pwwn, port->port_cfg.nwwn, | |
1359 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); | |
7725ccfd JH |
1360 | |
1361 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1362 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, |
1363 | (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV); | |
7725ccfd JH |
1364 | |
1365 | rport->stats.plogis++; | |
1366 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1367 | } | |
1368 | ||
1369 | static void | |
1370 | bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
a36c61f9 KG |
1371 | bfa_status_t req_status, u32 rsp_len, |
1372 | u32 resid_len, struct fchs_s *rsp_fchs) | |
7725ccfd | 1373 | { |
a36c61f9 | 1374 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
1375 | struct fc_logi_s *plogi_rsp; |
1376 | struct fc_ls_rjt_s *ls_rjt; | |
1377 | struct bfa_fcs_rport_s *twin; | |
a36c61f9 | 1378 | struct list_head *qe; |
7725ccfd JH |
1379 | |
1380 | bfa_trc(rport->fcs, rport->pwwn); | |
1381 | ||
1382 | /* | |
1383 | * Sanity Checks | |
1384 | */ | |
1385 | if (req_status != BFA_STATUS_OK) { | |
1386 | bfa_trc(rport->fcs, req_status); | |
1387 | rport->stats.plogi_failed++; | |
1388 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1389 | return; | |
1390 | } | |
1391 | ||
1392 | plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1393 | ||
5fbe25c7 | 1394 | /* |
7725ccfd JH |
1395 | * Check for failure first. |
1396 | */ | |
1397 | if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { | |
1398 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1399 | ||
1400 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
1401 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
1402 | ||
a36c61f9 KG |
1403 | if ((ls_rjt->reason_code == FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD) && |
1404 | (ls_rjt->reason_code_expl == FC_LS_RJT_EXP_INSUFF_RES)) { | |
1405 | rport->stats.rjt_insuff_res++; | |
1406 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RETRY); | |
1407 | return; | |
1408 | } | |
1409 | ||
7725ccfd JH |
1410 | rport->stats.plogi_rejects++; |
1411 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1412 | return; | |
1413 | } | |
1414 | ||
5fbe25c7 | 1415 | /* |
7725ccfd JH |
1416 | * PLOGI is complete. Make sure this device is not one of the known |
1417 | * device with a new FC port address. | |
1418 | */ | |
1419 | list_for_each(qe, &rport->port->rport_q) { | |
a36c61f9 | 1420 | twin = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
1421 | if (twin == rport) |
1422 | continue; | |
1423 | if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { | |
1424 | bfa_trc(rport->fcs, twin->pid); | |
1425 | bfa_trc(rport->fcs, rport->pid); | |
1426 | ||
a36c61f9 KG |
1427 | /* Update plogi stats in twin */ |
1428 | twin->stats.plogis += rport->stats.plogis; | |
1429 | twin->stats.plogi_rejects += | |
1430 | rport->stats.plogi_rejects; | |
1431 | twin->stats.plogi_timeouts += | |
1432 | rport->stats.plogi_timeouts; | |
1433 | twin->stats.plogi_failed += | |
1434 | rport->stats.plogi_failed; | |
1435 | twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; | |
7725ccfd JH |
1436 | twin->stats.plogi_accs++; |
1437 | ||
f7f73812 | 1438 | bfa_sm_send_event(rport, RPSM_EVENT_DELETE); |
7725ccfd JH |
1439 | |
1440 | bfa_fcs_rport_update(twin, plogi_rsp); | |
1441 | twin->pid = rsp_fchs->s_id; | |
1442 | bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); | |
1443 | return; | |
1444 | } | |
1445 | } | |
1446 | ||
5fbe25c7 | 1447 | /* |
7725ccfd JH |
1448 | * Normal login path -- no evil twins. |
1449 | */ | |
1450 | rport->stats.plogi_accs++; | |
1451 | bfa_fcs_rport_update(rport, plogi_rsp); | |
1452 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1453 | } | |
1454 | ||
1455 | static void | |
1456 | bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1457 | { | |
1458 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1459 | struct bfa_fcs_lport_s *port = rport->port; |
1460 | struct fchs_s fchs; | |
1461 | int len; | |
7725ccfd JH |
1462 | struct bfa_fcxp_s *fcxp; |
1463 | ||
1464 | bfa_trc(rport->fcs, rport->pwwn); | |
1465 | bfa_trc(rport->fcs, rport->reply_oxid); | |
1466 | ||
1467 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1468 | if (!fcxp) { | |
a36c61f9 KG |
1469 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1470 | bfa_fcs_rport_send_plogiacc, rport); | |
7725ccfd JH |
1471 | return; |
1472 | } | |
1473 | rport->fcxp = fcxp; | |
1474 | ||
a36c61f9 KG |
1475 | len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1476 | rport->pid, bfa_fcs_lport_get_fcid(port), | |
1477 | rport->reply_oxid, port->port_cfg.pwwn, | |
1478 | port->port_cfg.nwwn, | |
1c8a4c37 | 1479 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); |
7725ccfd JH |
1480 | |
1481 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1482 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1483 | |
1484 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1485 | } | |
1486 | ||
1487 | static void | |
1488 | bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1489 | { | |
1490 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1491 | struct bfa_fcs_lport_s *port = rport->port; |
1492 | struct fchs_s fchs; | |
1493 | int len; | |
7725ccfd JH |
1494 | struct bfa_fcxp_s *fcxp; |
1495 | ||
1496 | bfa_trc(rport->fcs, rport->pwwn); | |
1497 | ||
1498 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1499 | if (!fcxp) { | |
a36c61f9 KG |
1500 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1501 | bfa_fcs_rport_send_adisc, rport); | |
7725ccfd JH |
1502 | return; |
1503 | } | |
1504 | rport->fcxp = fcxp; | |
1505 | ||
1506 | len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
a36c61f9 KG |
1507 | bfa_fcs_lport_get_fcid(port), 0, |
1508 | port->port_cfg.pwwn, port->port_cfg.nwwn); | |
7725ccfd JH |
1509 | |
1510 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1511 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, |
1512 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); | |
7725ccfd JH |
1513 | |
1514 | rport->stats.adisc_sent++; | |
1515 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1516 | } | |
1517 | ||
1518 | static void | |
1519 | bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
a36c61f9 KG |
1520 | bfa_status_t req_status, u32 rsp_len, |
1521 | u32 resid_len, struct fchs_s *rsp_fchs) | |
7725ccfd | 1522 | { |
a36c61f9 KG |
1523 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
1524 | void *pld = bfa_fcxp_get_rspbuf(fcxp); | |
1525 | struct fc_ls_rjt_s *ls_rjt; | |
7725ccfd JH |
1526 | |
1527 | if (req_status != BFA_STATUS_OK) { | |
1528 | bfa_trc(rport->fcs, req_status); | |
1529 | rport->stats.adisc_failed++; | |
1530 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1531 | return; | |
1532 | } | |
1533 | ||
1534 | if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, | |
a36c61f9 | 1535 | rport->nwwn) == FC_PARSE_OK) { |
7725ccfd JH |
1536 | rport->stats.adisc_accs++; |
1537 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1538 | return; | |
1539 | } | |
1540 | ||
1541 | rport->stats.adisc_rejects++; | |
1542 | ls_rjt = pld; | |
1543 | bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); | |
1544 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
1545 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
1546 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1547 | } | |
1548 | ||
1549 | static void | |
a36c61f9 | 1550 | bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
7725ccfd JH |
1551 | { |
1552 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1553 | struct bfa_fcs_lport_s *port = rport->port; |
1554 | struct fchs_s fchs; | |
7725ccfd | 1555 | struct bfa_fcxp_s *fcxp; |
a36c61f9 KG |
1556 | int len; |
1557 | bfa_cb_fcxp_send_t cbfn; | |
7725ccfd JH |
1558 | |
1559 | bfa_trc(rport->fcs, rport->pid); | |
1560 | ||
1561 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1562 | if (!fcxp) { | |
a36c61f9 KG |
1563 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1564 | bfa_fcs_rport_send_nsdisc, rport); | |
7725ccfd JH |
1565 | return; |
1566 | } | |
1567 | rport->fcxp = fcxp; | |
1568 | ||
a36c61f9 KG |
1569 | if (rport->pwwn) { |
1570 | len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1571 | bfa_fcs_lport_get_fcid(port), 0, rport->pwwn); | |
1572 | cbfn = bfa_fcs_rport_gidpn_response; | |
1573 | } else { | |
1574 | len = fc_gpnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1575 | bfa_fcs_lport_get_fcid(port), 0, rport->pid); | |
1576 | cbfn = bfa_fcs_rport_gpnid_response; | |
1577 | } | |
7725ccfd JH |
1578 | |
1579 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1580 | FC_CLASS_3, len, &fchs, cbfn, |
1581 | (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV); | |
7725ccfd JH |
1582 | |
1583 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1584 | } | |
1585 | ||
1586 | static void | |
1587 | bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
a36c61f9 KG |
1588 | bfa_status_t req_status, u32 rsp_len, |
1589 | u32 resid_len, struct fchs_s *rsp_fchs) | |
7725ccfd | 1590 | { |
a36c61f9 KG |
1591 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
1592 | struct ct_hdr_s *cthdr; | |
7725ccfd | 1593 | struct fcgs_gidpn_resp_s *gidpn_rsp; |
a36c61f9 KG |
1594 | struct bfa_fcs_rport_s *twin; |
1595 | struct list_head *qe; | |
7725ccfd JH |
1596 | |
1597 | bfa_trc(rport->fcs, rport->pwwn); | |
1598 | ||
1599 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
ba816ea8 | 1600 | cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); |
7725ccfd JH |
1601 | |
1602 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
a36c61f9 | 1603 | /* Check if the pid is the same as before. */ |
7725ccfd JH |
1604 | gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); |
1605 | ||
1606 | if (gidpn_rsp->dap == rport->pid) { | |
a36c61f9 | 1607 | /* Device is online */ |
7725ccfd JH |
1608 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
1609 | } else { | |
1610 | /* | |
a36c61f9 KG |
1611 | * Device's PID has changed. We need to cleanup |
1612 | * and re-login. If there is another device with | |
1613 | * the the newly discovered pid, send an scn notice | |
1614 | * so that its new pid can be discovered. | |
7725ccfd JH |
1615 | */ |
1616 | list_for_each(qe, &rport->port->rport_q) { | |
a36c61f9 | 1617 | twin = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
1618 | if (twin == rport) |
1619 | continue; | |
1620 | if (gidpn_rsp->dap == twin->pid) { | |
1621 | bfa_trc(rport->fcs, twin->pid); | |
1622 | bfa_trc(rport->fcs, rport->pid); | |
1623 | ||
1624 | twin->pid = 0; | |
1625 | bfa_sm_send_event(twin, | |
a36c61f9 | 1626 | RPSM_EVENT_ADDRESS_CHANGE); |
7725ccfd JH |
1627 | } |
1628 | } | |
1629 | rport->pid = gidpn_rsp->dap; | |
1630 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); | |
1631 | } | |
1632 | return; | |
1633 | } | |
1634 | ||
1635 | /* | |
1636 | * Reject Response | |
1637 | */ | |
1638 | switch (cthdr->reason_code) { | |
1639 | case CT_RSN_LOGICAL_BUSY: | |
1640 | /* | |
1641 | * Need to retry | |
1642 | */ | |
1643 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); | |
1644 | break; | |
1645 | ||
1646 | case CT_RSN_UNABLE_TO_PERF: | |
1647 | /* | |
1648 | * device doesn't exist : Start timer to cleanup this later. | |
1649 | */ | |
1650 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1651 | break; | |
1652 | ||
1653 | default: | |
1654 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1655 | break; | |
1656 | } | |
1657 | } | |
1658 | ||
a36c61f9 KG |
1659 | static void |
1660 | bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1661 | bfa_status_t req_status, u32 rsp_len, | |
1662 | u32 resid_len, struct fchs_s *rsp_fchs) | |
1663 | { | |
1664 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; | |
1665 | struct ct_hdr_s *cthdr; | |
1666 | ||
1667 | bfa_trc(rport->fcs, rport->pwwn); | |
1668 | ||
1669 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
ba816ea8 | 1670 | cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); |
a36c61f9 KG |
1671 | |
1672 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
1673 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1674 | return; | |
1675 | } | |
1676 | ||
1677 | /* | |
1678 | * Reject Response | |
1679 | */ | |
1680 | switch (cthdr->reason_code) { | |
1681 | case CT_RSN_LOGICAL_BUSY: | |
1682 | /* | |
1683 | * Need to retry | |
1684 | */ | |
1685 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); | |
1686 | break; | |
1687 | ||
1688 | case CT_RSN_UNABLE_TO_PERF: | |
1689 | /* | |
1690 | * device doesn't exist : Start timer to cleanup this later. | |
1691 | */ | |
1692 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1693 | break; | |
1694 | ||
1695 | default: | |
1696 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1697 | break; | |
1698 | } | |
1699 | } | |
1700 | ||
5fbe25c7 | 1701 | /* |
a36c61f9 | 1702 | * Called to send a logout to the rport. |
7725ccfd JH |
1703 | */ |
1704 | static void | |
1705 | bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1706 | { | |
1707 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1708 | struct bfa_fcs_lport_s *port; |
1709 | struct fchs_s fchs; | |
7725ccfd | 1710 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 1711 | u16 len; |
7725ccfd JH |
1712 | |
1713 | bfa_trc(rport->fcs, rport->pid); | |
1714 | ||
1715 | port = rport->port; | |
1716 | ||
1717 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1718 | if (!fcxp) { | |
a36c61f9 KG |
1719 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1720 | bfa_fcs_rport_send_logo, rport); | |
7725ccfd JH |
1721 | return; |
1722 | } | |
1723 | rport->fcxp = fcxp; | |
1724 | ||
1725 | len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
a36c61f9 KG |
1726 | bfa_fcs_lport_get_fcid(port), 0, |
1727 | bfa_fcs_lport_get_pwwn(port)); | |
7725ccfd JH |
1728 | |
1729 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1730 | FC_CLASS_3, len, &fchs, NULL, |
1731 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); | |
7725ccfd JH |
1732 | |
1733 | rport->stats.logos++; | |
1734 | bfa_fcxp_discard(rport->fcxp); | |
1735 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1736 | } | |
1737 | ||
5fbe25c7 | 1738 | /* |
a36c61f9 | 1739 | * Send ACC for a LOGO received. |
7725ccfd JH |
1740 | */ |
1741 | static void | |
1742 | bfa_fcs_rport_send_logo_acc(void *rport_cbarg) | |
1743 | { | |
1744 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1745 | struct bfa_fcs_lport_s *port; |
1746 | struct fchs_s fchs; | |
7725ccfd | 1747 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 1748 | u16 len; |
7725ccfd JH |
1749 | |
1750 | bfa_trc(rport->fcs, rport->pid); | |
1751 | ||
1752 | port = rport->port; | |
1753 | ||
1754 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1755 | if (!fcxp) | |
1756 | return; | |
1757 | ||
1758 | rport->stats.logo_rcvd++; | |
a36c61f9 KG |
1759 | len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1760 | rport->pid, bfa_fcs_lport_get_fcid(port), | |
1761 | rport->reply_oxid); | |
7725ccfd JH |
1762 | |
1763 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1764 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1765 | } |
1766 | ||
5fbe25c7 | 1767 | /* |
a36c61f9 KG |
1768 | * brief |
1769 | * This routine will be called by bfa_timer on timer timeouts. | |
7725ccfd | 1770 | * |
a36c61f9 KG |
1771 | * param[in] rport - pointer to bfa_fcs_lport_ns_t. |
1772 | * param[out] rport_status - pointer to return vport status in | |
7725ccfd | 1773 | * |
a36c61f9 KG |
1774 | * return |
1775 | * void | |
7725ccfd | 1776 | * |
a36c61f9 | 1777 | * Special Considerations: |
7725ccfd | 1778 | * |
a36c61f9 | 1779 | * note |
7725ccfd JH |
1780 | */ |
1781 | static void | |
1782 | bfa_fcs_rport_timeout(void *arg) | |
1783 | { | |
a36c61f9 | 1784 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) arg; |
7725ccfd JH |
1785 | |
1786 | rport->stats.plogi_timeouts++; | |
a36c61f9 | 1787 | bfa_stats(rport->port, rport_plogi_timeouts); |
7725ccfd JH |
1788 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
1789 | } | |
1790 | ||
1791 | static void | |
1792 | bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, | |
1793 | struct fchs_s *rx_fchs, u16 len) | |
1794 | { | |
1795 | struct bfa_fcxp_s *fcxp; | |
a36c61f9 KG |
1796 | struct fchs_s fchs; |
1797 | struct bfa_fcs_lport_s *port = rport->port; | |
1798 | struct fc_prli_s *prli; | |
7725ccfd JH |
1799 | |
1800 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1801 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1802 | ||
1803 | rport->stats.prli_rcvd++; | |
1804 | ||
7725ccfd | 1805 | /* |
a36c61f9 | 1806 | * We are in Initiator Mode |
7725ccfd JH |
1807 | */ |
1808 | prli = (struct fc_prli_s *) (rx_fchs + 1); | |
1809 | ||
a36c61f9 | 1810 | if (prli->parampage.servparams.target) { |
7725ccfd | 1811 | /* |
a36c61f9 KG |
1812 | * PRLI from a target ? |
1813 | * Send the Acc. | |
1814 | * PRLI sent by us will be used to transition the IT nexus, | |
1815 | * once the response is received from the target. | |
7725ccfd JH |
1816 | */ |
1817 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1818 | rport->scsi_function = BFA_RPORT_TARGET; | |
a36c61f9 KG |
1819 | } else { |
1820 | bfa_trc(rport->fcs, prli->parampage.type); | |
1821 | rport->scsi_function = BFA_RPORT_INITIATOR; | |
1822 | bfa_fcs_itnim_is_initiator(rport->itnim); | |
7725ccfd JH |
1823 | } |
1824 | ||
1825 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1826 | if (!fcxp) | |
1827 | return; | |
1828 | ||
a36c61f9 KG |
1829 | len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1830 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
1831 | rx_fchs->ox_id, port->port_cfg.roles); | |
7725ccfd JH |
1832 | |
1833 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1834 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1835 | } |
1836 | ||
1837 | static void | |
1838 | bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, | |
1839 | struct fchs_s *rx_fchs, u16 len) | |
1840 | { | |
1841 | struct bfa_fcxp_s *fcxp; | |
a36c61f9 KG |
1842 | struct fchs_s fchs; |
1843 | struct bfa_fcs_lport_s *port = rport->port; | |
7725ccfd | 1844 | struct fc_rpsc_speed_info_s speeds; |
a36c61f9 | 1845 | struct bfa_port_attr_s pport_attr; |
7725ccfd JH |
1846 | |
1847 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1848 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1849 | ||
1850 | rport->stats.rpsc_rcvd++; | |
1851 | speeds.port_speed_cap = | |
1852 | RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | | |
1853 | RPSC_SPEED_CAP_8G; | |
1854 | ||
1855 | /* | |
1856 | * get curent speed from pport attributes from BFA | |
1857 | */ | |
1c8a4c37 | 1858 | bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); |
7725ccfd JH |
1859 | |
1860 | speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); | |
1861 | ||
1862 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1863 | if (!fcxp) | |
1864 | return; | |
1865 | ||
a36c61f9 KG |
1866 | len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1867 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
1868 | rx_fchs->ox_id, &speeds); | |
7725ccfd JH |
1869 | |
1870 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1871 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1872 | } |
1873 | ||
1874 | static void | |
1875 | bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, | |
1876 | struct fchs_s *rx_fchs, u16 len) | |
1877 | { | |
1878 | struct bfa_fcxp_s *fcxp; | |
a36c61f9 KG |
1879 | struct fchs_s fchs; |
1880 | struct bfa_fcs_lport_s *port = rport->port; | |
1881 | struct fc_adisc_s *adisc; | |
7725ccfd JH |
1882 | |
1883 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1884 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1885 | ||
1886 | rport->stats.adisc_rcvd++; | |
1887 | ||
7725ccfd JH |
1888 | adisc = (struct fc_adisc_s *) (rx_fchs + 1); |
1889 | ||
1890 | /* | |
a36c61f9 KG |
1891 | * Accept if the itnim for this rport is online. |
1892 | * Else reject the ADISC. | |
7725ccfd JH |
1893 | */ |
1894 | if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { | |
1895 | ||
1896 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1897 | if (!fcxp) | |
1898 | return; | |
1899 | ||
1900 | len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
a36c61f9 KG |
1901 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
1902 | rx_fchs->ox_id, port->port_cfg.pwwn, | |
1903 | port->port_cfg.nwwn); | |
7725ccfd JH |
1904 | |
1905 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, | |
a36c61f9 KG |
1906 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, |
1907 | FC_MAX_PDUSZ, 0); | |
7725ccfd JH |
1908 | } else { |
1909 | rport->stats.adisc_rejected++; | |
1910 | bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, | |
1911 | FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, | |
1912 | FC_LS_RJT_EXP_LOGIN_REQUIRED); | |
1913 | } | |
7725ccfd JH |
1914 | } |
1915 | ||
1916 | static void | |
1917 | bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) | |
1918 | { | |
a36c61f9 | 1919 | struct bfa_fcs_lport_s *port = rport->port; |
7725ccfd JH |
1920 | struct bfa_rport_info_s rport_info; |
1921 | ||
1922 | rport_info.pid = rport->pid; | |
1923 | rport_info.local_pid = port->pid; | |
1924 | rport_info.lp_tag = port->lp_tag; | |
1925 | rport_info.vf_id = port->fabric->vf_id; | |
1926 | rport_info.vf_en = port->fabric->is_vf; | |
1927 | rport_info.fc_class = rport->fc_cos; | |
1928 | rport_info.cisc = rport->cisc; | |
1929 | rport_info.max_frmsz = rport->maxfrsize; | |
1930 | bfa_rport_online(rport->bfa_rport, &rport_info); | |
1931 | } | |
1932 | ||
7725ccfd | 1933 | static struct bfa_fcs_rport_s * |
a36c61f9 | 1934 | bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) |
7725ccfd | 1935 | { |
a36c61f9 | 1936 | struct bfa_fcs_s *fcs = port->fcs; |
7725ccfd | 1937 | struct bfa_fcs_rport_s *rport; |
a36c61f9 | 1938 | struct bfad_rport_s *rport_drv; |
7725ccfd | 1939 | |
5fbe25c7 | 1940 | /* |
7725ccfd JH |
1941 | * allocate rport |
1942 | */ | |
1943 | if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) | |
a36c61f9 | 1944 | != BFA_STATUS_OK) { |
7725ccfd JH |
1945 | bfa_trc(fcs, rpid); |
1946 | return NULL; | |
1947 | } | |
1948 | ||
1949 | /* | |
1950 | * Initialize r-port | |
1951 | */ | |
1952 | rport->port = port; | |
1953 | rport->fcs = fcs; | |
1954 | rport->rp_drv = rport_drv; | |
1955 | rport->pid = rpid; | |
1956 | rport->pwwn = pwwn; | |
1957 | ||
5fbe25c7 | 1958 | /* |
7725ccfd JH |
1959 | * allocate BFA rport |
1960 | */ | |
1961 | rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); | |
1962 | if (!rport->bfa_rport) { | |
1963 | bfa_trc(fcs, rpid); | |
1964 | kfree(rport_drv); | |
1965 | return NULL; | |
1966 | } | |
1967 | ||
5fbe25c7 | 1968 | /* |
7725ccfd JH |
1969 | * allocate FC-4s |
1970 | */ | |
a36c61f9 | 1971 | bfa_assert(bfa_fcs_lport_is_initiator(port)); |
7725ccfd | 1972 | |
a36c61f9 | 1973 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd JH |
1974 | rport->itnim = bfa_fcs_itnim_create(rport); |
1975 | if (!rport->itnim) { | |
1976 | bfa_trc(fcs, rpid); | |
f7f73812 | 1977 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_DELETE); |
7725ccfd JH |
1978 | kfree(rport_drv); |
1979 | return NULL; | |
1980 | } | |
1981 | } | |
1982 | ||
a36c61f9 | 1983 | bfa_fcs_lport_add_rport(port, rport); |
7725ccfd JH |
1984 | |
1985 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1986 | ||
a36c61f9 | 1987 | /* Initialize the Rport Features(RPF) Sub Module */ |
7725ccfd JH |
1988 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
1989 | bfa_fcs_rpf_init(rport); | |
1990 | ||
1991 | return rport; | |
1992 | } | |
1993 | ||
1994 | ||
1995 | static void | |
1996 | bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) | |
1997 | { | |
a36c61f9 | 1998 | struct bfa_fcs_lport_s *port = rport->port; |
7725ccfd | 1999 | |
5fbe25c7 | 2000 | /* |
7725ccfd JH |
2001 | * - delete FC-4s |
2002 | * - delete BFA rport | |
2003 | * - remove from queue of rports | |
2004 | */ | |
a36c61f9 | 2005 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd | 2006 | bfa_fcs_itnim_delete(rport->itnim); |
a36c61f9 KG |
2007 | if (rport->pid != 0 && !BFA_FCS_PID_IS_WKA(rport->pid)) |
2008 | bfa_fcs_rpf_rport_offline(rport); | |
2009 | } | |
7725ccfd | 2010 | |
f7f73812 | 2011 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_DELETE); |
a36c61f9 | 2012 | bfa_fcs_lport_del_rport(port, rport); |
7725ccfd JH |
2013 | kfree(rport->rp_drv); |
2014 | } | |
2015 | ||
7725ccfd JH |
2016 | static void |
2017 | bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) | |
2018 | { | |
a36c61f9 KG |
2019 | struct bfa_fcs_lport_s *port = rport->port; |
2020 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; | |
2021 | char lpwwn_buf[BFA_STRING_32]; | |
2022 | char rpwwn_buf[BFA_STRING_32]; | |
7725ccfd JH |
2023 | |
2024 | rport->stats.onlines++; | |
2025 | ||
a36c61f9 | 2026 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd JH |
2027 | bfa_fcs_itnim_rport_online(rport->itnim); |
2028 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2029 | bfa_fcs_rpf_rport_online(rport); | |
2030 | }; | |
2031 | ||
a36c61f9 KG |
2032 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
2033 | wwn2str(rpwwn_buf, rport->pwwn); | |
7725ccfd | 2034 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
88166242 | 2035 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, |
a36c61f9 KG |
2036 | "Remote port (WWN = %s) online for logical port (WWN = %s)\n", |
2037 | rpwwn_buf, lpwwn_buf); | |
7725ccfd JH |
2038 | } |
2039 | ||
2040 | static void | |
2041 | bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) | |
2042 | { | |
a36c61f9 KG |
2043 | struct bfa_fcs_lport_s *port = rport->port; |
2044 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; | |
2045 | char lpwwn_buf[BFA_STRING_32]; | |
2046 | char rpwwn_buf[BFA_STRING_32]; | |
7725ccfd JH |
2047 | |
2048 | rport->stats.offlines++; | |
2049 | ||
a36c61f9 KG |
2050 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
2051 | wwn2str(rpwwn_buf, rport->pwwn); | |
7725ccfd | 2052 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) { |
a36c61f9 | 2053 | if (bfa_fcs_lport_is_online(rport->port) == BFA_TRUE) |
88166242 | 2054 | BFA_LOG(KERN_ERR, bfad, bfa_log_level, |
a36c61f9 KG |
2055 | "Remote port (WWN = %s) connectivity lost for " |
2056 | "logical port (WWN = %s)\n", | |
2057 | rpwwn_buf, lpwwn_buf); | |
2058 | else | |
88166242 | 2059 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, |
a36c61f9 KG |
2060 | "Remote port (WWN = %s) offlined by " |
2061 | "logical port (WWN = %s)\n", | |
2062 | rpwwn_buf, lpwwn_buf); | |
7725ccfd JH |
2063 | } |
2064 | ||
a36c61f9 | 2065 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd JH |
2066 | bfa_fcs_itnim_rport_offline(rport->itnim); |
2067 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2068 | bfa_fcs_rpf_rport_offline(rport); | |
2069 | } | |
7725ccfd JH |
2070 | } |
2071 | ||
5fbe25c7 | 2072 | /* |
7725ccfd JH |
2073 | * Update rport parameters from PLOGI or PLOGI accept. |
2074 | */ | |
2075 | static void | |
2076 | bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) | |
2077 | { | |
a36c61f9 | 2078 | bfa_fcs_lport_t *port = rport->port; |
7725ccfd | 2079 | |
5fbe25c7 | 2080 | /* |
7725ccfd JH |
2081 | * - port name |
2082 | * - node name | |
2083 | */ | |
2084 | rport->pwwn = plogi->port_name; | |
2085 | rport->nwwn = plogi->node_name; | |
2086 | ||
5fbe25c7 | 2087 | /* |
7725ccfd JH |
2088 | * - class of service |
2089 | */ | |
2090 | rport->fc_cos = 0; | |
2091 | if (plogi->class3.class_valid) | |
2092 | rport->fc_cos = FC_CLASS_3; | |
2093 | ||
2094 | if (plogi->class2.class_valid) | |
2095 | rport->fc_cos |= FC_CLASS_2; | |
2096 | ||
5fbe25c7 | 2097 | /* |
7725ccfd JH |
2098 | * - CISC |
2099 | * - MAX receive frame size | |
2100 | */ | |
2101 | rport->cisc = plogi->csp.cisc; | |
ba816ea8 | 2102 | rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz); |
7725ccfd | 2103 | |
ba816ea8 | 2104 | bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); |
7725ccfd | 2105 | bfa_trc(port->fcs, port->fabric->bb_credit); |
5fbe25c7 | 2106 | /* |
7725ccfd JH |
2107 | * Direct Attach P2P mode : |
2108 | * This is to handle a bug (233476) in IBM targets in Direct Attach | |
a36c61f9 KG |
2109 | * Mode. Basically, in FLOGI Accept the target would have |
2110 | * erroneously set the BB Credit to the value used in the FLOGI | |
2111 | * sent by the HBA. It uses the correct value (its own BB credit) | |
2112 | * in PLOGI. | |
7725ccfd | 2113 | */ |
a36c61f9 | 2114 | if ((!bfa_fcs_fabric_is_switched(port->fabric)) && |
ba816ea8 | 2115 | (be16_to_cpu(plogi->csp.bbcred) < port->fabric->bb_credit)) { |
7725ccfd | 2116 | |
ba816ea8 | 2117 | bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); |
7725ccfd JH |
2118 | bfa_trc(port->fcs, port->fabric->bb_credit); |
2119 | ||
ba816ea8 | 2120 | port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred); |
1c8a4c37 | 2121 | bfa_fcport_set_tx_bbcredit(port->fcs->bfa, |
7725ccfd JH |
2122 | port->fabric->bb_credit); |
2123 | } | |
2124 | ||
2125 | } | |
2126 | ||
5fbe25c7 | 2127 | /* |
a36c61f9 | 2128 | * Called to handle LOGO received from an existing remote port. |
7725ccfd JH |
2129 | */ |
2130 | static void | |
2131 | bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) | |
2132 | { | |
2133 | rport->reply_oxid = fchs->ox_id; | |
2134 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2135 | ||
4b5e759d | 2136 | rport->prlo = BFA_FALSE; |
7725ccfd JH |
2137 | rport->stats.logo_rcvd++; |
2138 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); | |
2139 | } | |
2140 | ||
2141 | ||
2142 | ||
5fbe25c7 | 2143 | /* |
7725ccfd JH |
2144 | * fcs_rport_public FCS rport public interfaces |
2145 | */ | |
2146 | ||
5fbe25c7 | 2147 | /* |
a36c61f9 KG |
2148 | * Called by bport/vport to create a remote port instance for a discovered |
2149 | * remote device. | |
7725ccfd JH |
2150 | * |
2151 | * @param[in] port - base port or vport | |
2152 | * @param[in] rpid - remote port ID | |
2153 | * | |
2154 | * @return None | |
2155 | */ | |
2156 | struct bfa_fcs_rport_s * | |
a36c61f9 | 2157 | bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid) |
7725ccfd JH |
2158 | { |
2159 | struct bfa_fcs_rport_s *rport; | |
2160 | ||
2161 | bfa_trc(port->fcs, rpid); | |
2162 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); | |
2163 | if (!rport) | |
2164 | return NULL; | |
2165 | ||
2166 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); | |
2167 | return rport; | |
2168 | } | |
2169 | ||
5fbe25c7 | 2170 | /* |
7725ccfd JH |
2171 | * Called to create a rport for which only the wwn is known. |
2172 | * | |
2173 | * @param[in] port - base port | |
2174 | * @param[in] rpwwn - remote port wwn | |
2175 | * | |
2176 | * @return None | |
2177 | */ | |
2178 | struct bfa_fcs_rport_s * | |
a36c61f9 | 2179 | bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn) |
7725ccfd JH |
2180 | { |
2181 | struct bfa_fcs_rport_s *rport; | |
7725ccfd JH |
2182 | bfa_trc(port->fcs, rpwwn); |
2183 | rport = bfa_fcs_rport_alloc(port, rpwwn, 0); | |
2184 | if (!rport) | |
2185 | return NULL; | |
2186 | ||
2187 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); | |
2188 | return rport; | |
2189 | } | |
5fbe25c7 | 2190 | /* |
7725ccfd JH |
2191 | * Called by bport in private loop topology to indicate that a |
2192 | * rport has been discovered and plogi has been completed. | |
2193 | * | |
2194 | * @param[in] port - base port or vport | |
2195 | * @param[in] rpid - remote port ID | |
2196 | */ | |
2197 | void | |
a36c61f9 KG |
2198 | bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, |
2199 | struct fc_logi_s *plogi) | |
7725ccfd JH |
2200 | { |
2201 | struct bfa_fcs_rport_s *rport; | |
2202 | ||
2203 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); | |
2204 | if (!rport) | |
2205 | return; | |
2206 | ||
2207 | bfa_fcs_rport_update(rport, plogi); | |
2208 | ||
2209 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); | |
2210 | } | |
2211 | ||
5fbe25c7 | 2212 | /* |
a36c61f9 KG |
2213 | * Called by bport/vport to handle PLOGI received from a new remote port. |
2214 | * If an existing rport does a plogi, it will be handled separately. | |
7725ccfd JH |
2215 | */ |
2216 | void | |
a36c61f9 KG |
2217 | bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, |
2218 | struct fc_logi_s *plogi) | |
7725ccfd JH |
2219 | { |
2220 | struct bfa_fcs_rport_s *rport; | |
2221 | ||
2222 | rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); | |
2223 | if (!rport) | |
2224 | return; | |
2225 | ||
2226 | bfa_fcs_rport_update(rport, plogi); | |
2227 | ||
2228 | rport->reply_oxid = fchs->ox_id; | |
2229 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2230 | ||
2231 | rport->stats.plogi_rcvd++; | |
2232 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); | |
2233 | } | |
2234 | ||
2235 | static int | |
2236 | wwn_compare(wwn_t wwn1, wwn_t wwn2) | |
2237 | { | |
a36c61f9 KG |
2238 | u8 *b1 = (u8 *) &wwn1; |
2239 | u8 *b2 = (u8 *) &wwn2; | |
2240 | int i; | |
7725ccfd JH |
2241 | |
2242 | for (i = 0; i < sizeof(wwn_t); i++) { | |
2243 | if (b1[i] < b2[i]) | |
2244 | return -1; | |
2245 | if (b1[i] > b2[i]) | |
2246 | return 1; | |
2247 | } | |
2248 | return 0; | |
2249 | } | |
2250 | ||
5fbe25c7 | 2251 | /* |
a36c61f9 KG |
2252 | * Called by bport/vport to handle PLOGI received from an existing |
2253 | * remote port. | |
7725ccfd JH |
2254 | */ |
2255 | void | |
2256 | bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, | |
a36c61f9 | 2257 | struct fc_logi_s *plogi) |
7725ccfd | 2258 | { |
5fbe25c7 | 2259 | /* |
7725ccfd JH |
2260 | * @todo Handle P2P and initiator-initiator. |
2261 | */ | |
2262 | ||
2263 | bfa_fcs_rport_update(rport, plogi); | |
2264 | ||
2265 | rport->reply_oxid = rx_fchs->ox_id; | |
2266 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2267 | ||
5fbe25c7 | 2268 | /* |
7725ccfd JH |
2269 | * In Switched fabric topology, |
2270 | * PLOGI to each other. If our pwwn is smaller, ignore it, | |
2271 | * if it is not a well known address. | |
2272 | * If the link topology is N2N, | |
2273 | * this Plogi should be accepted. | |
2274 | */ | |
a36c61f9 KG |
2275 | if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1) && |
2276 | (bfa_fcs_fabric_is_switched(rport->port->fabric)) && | |
2277 | (!BFA_FCS_PID_IS_WKA(rport->pid))) { | |
7725ccfd JH |
2278 | bfa_trc(rport->fcs, rport->pid); |
2279 | return; | |
2280 | } | |
2281 | ||
2282 | rport->stats.plogi_rcvd++; | |
2283 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); | |
2284 | } | |
2285 | ||
7725ccfd | 2286 | |
5fbe25c7 | 2287 | /* |
a36c61f9 | 2288 | * Called by bport/vport to notify SCN for the remote port |
7725ccfd JH |
2289 | */ |
2290 | void | |
2291 | bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) | |
2292 | { | |
7725ccfd JH |
2293 | rport->stats.rscns++; |
2294 | bfa_sm_send_event(rport, RPSM_EVENT_SCN); | |
2295 | } | |
2296 | ||
7725ccfd | 2297 | |
5fbe25c7 | 2298 | /* |
a36c61f9 KG |
2299 | * brief |
2300 | * This routine BFA callback for bfa_rport_online() call. | |
7725ccfd | 2301 | * |
a36c61f9 | 2302 | * param[in] cb_arg - rport struct. |
7725ccfd | 2303 | * |
a36c61f9 KG |
2304 | * return |
2305 | * void | |
7725ccfd | 2306 | * |
a36c61f9 | 2307 | * Special Considerations: |
7725ccfd | 2308 | * |
a36c61f9 | 2309 | * note |
7725ccfd JH |
2310 | */ |
2311 | void | |
2312 | bfa_cb_rport_online(void *cbarg) | |
2313 | { | |
2314 | ||
a36c61f9 | 2315 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
2316 | |
2317 | bfa_trc(rport->fcs, rport->pwwn); | |
2318 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); | |
2319 | } | |
2320 | ||
5fbe25c7 | 2321 | /* |
a36c61f9 KG |
2322 | * brief |
2323 | * This routine BFA callback for bfa_rport_offline() call. | |
7725ccfd | 2324 | * |
a36c61f9 | 2325 | * param[in] rport - |
7725ccfd | 2326 | * |
a36c61f9 KG |
2327 | * return |
2328 | * void | |
7725ccfd | 2329 | * |
a36c61f9 | 2330 | * Special Considerations: |
7725ccfd | 2331 | * |
a36c61f9 | 2332 | * note |
7725ccfd JH |
2333 | */ |
2334 | void | |
2335 | bfa_cb_rport_offline(void *cbarg) | |
2336 | { | |
a36c61f9 | 2337 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
2338 | |
2339 | bfa_trc(rport->fcs, rport->pwwn); | |
2340 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); | |
2341 | } | |
2342 | ||
5fbe25c7 | 2343 | /* |
a36c61f9 KG |
2344 | * brief |
2345 | * This routine is a static BFA callback when there is a QoS flow_id | |
2346 | * change notification | |
7725ccfd | 2347 | * |
a36c61f9 | 2348 | * param[in] rport - |
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_qos_scn_flowid(void *cbarg, | |
a36c61f9 KG |
2359 | struct bfa_rport_qos_attr_s old_qos_attr, |
2360 | struct bfa_rport_qos_attr_s new_qos_attr) | |
7725ccfd | 2361 | { |
a36c61f9 | 2362 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
2363 | |
2364 | bfa_trc(rport->fcs, rport->pwwn); | |
7725ccfd JH |
2365 | } |
2366 | ||
5fbe25c7 | 2367 | /* |
a36c61f9 KG |
2368 | * brief |
2369 | * This routine is a static BFA callback when there is a QoS priority | |
2370 | * change notification | |
7725ccfd | 2371 | * |
a36c61f9 | 2372 | * param[in] rport - |
7725ccfd | 2373 | * |
a36c61f9 KG |
2374 | * return |
2375 | * void | |
7725ccfd | 2376 | * |
a36c61f9 | 2377 | * Special Considerations: |
7725ccfd | 2378 | * |
a36c61f9 | 2379 | * note |
7725ccfd JH |
2380 | */ |
2381 | void | |
a36c61f9 KG |
2382 | bfa_cb_rport_qos_scn_prio(void *cbarg, |
2383 | struct bfa_rport_qos_attr_s old_qos_attr, | |
2384 | struct bfa_rport_qos_attr_s new_qos_attr) | |
7725ccfd | 2385 | { |
a36c61f9 | 2386 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
2387 | |
2388 | bfa_trc(rport->fcs, rport->pwwn); | |
7725ccfd JH |
2389 | } |
2390 | ||
5fbe25c7 | 2391 | /* |
a36c61f9 | 2392 | * Called to process any unsolicted frames from this remote port |
7725ccfd JH |
2393 | */ |
2394 | void | |
a36c61f9 KG |
2395 | bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, |
2396 | struct fchs_s *fchs, u16 len) | |
7725ccfd | 2397 | { |
a36c61f9 KG |
2398 | struct bfa_fcs_lport_s *port = rport->port; |
2399 | struct fc_els_cmd_s *els_cmd; | |
7725ccfd JH |
2400 | |
2401 | bfa_trc(rport->fcs, fchs->s_id); | |
2402 | bfa_trc(rport->fcs, fchs->d_id); | |
2403 | bfa_trc(rport->fcs, fchs->type); | |
2404 | ||
2405 | if (fchs->type != FC_TYPE_ELS) | |
2406 | return; | |
2407 | ||
2408 | els_cmd = (struct fc_els_cmd_s *) (fchs + 1); | |
2409 | ||
2410 | bfa_trc(rport->fcs, els_cmd->els_code); | |
2411 | ||
2412 | switch (els_cmd->els_code) { | |
2413 | case FC_ELS_LOGO: | |
a36c61f9 | 2414 | bfa_stats(port, plogi_rcvd); |
7725ccfd JH |
2415 | bfa_fcs_rport_process_logo(rport, fchs); |
2416 | break; | |
2417 | ||
2418 | case FC_ELS_ADISC: | |
a36c61f9 | 2419 | bfa_stats(port, adisc_rcvd); |
7725ccfd JH |
2420 | bfa_fcs_rport_process_adisc(rport, fchs, len); |
2421 | break; | |
2422 | ||
2423 | case FC_ELS_PRLO: | |
a36c61f9 KG |
2424 | bfa_stats(port, prlo_rcvd); |
2425 | if (bfa_fcs_lport_is_initiator(port)) | |
7725ccfd | 2426 | bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); |
7725ccfd JH |
2427 | break; |
2428 | ||
2429 | case FC_ELS_PRLI: | |
a36c61f9 | 2430 | bfa_stats(port, prli_rcvd); |
7725ccfd JH |
2431 | bfa_fcs_rport_process_prli(rport, fchs, len); |
2432 | break; | |
2433 | ||
2434 | case FC_ELS_RPSC: | |
a36c61f9 | 2435 | bfa_stats(port, rpsc_rcvd); |
7725ccfd JH |
2436 | bfa_fcs_rport_process_rpsc(rport, fchs, len); |
2437 | break; | |
2438 | ||
2439 | default: | |
a36c61f9 | 2440 | bfa_stats(port, un_handled_els_rcvd); |
7725ccfd JH |
2441 | bfa_fcs_rport_send_ls_rjt(rport, fchs, |
2442 | FC_LS_RJT_RSN_CMD_NOT_SUPP, | |
2443 | FC_LS_RJT_EXP_NO_ADDL_INFO); | |
2444 | break; | |
2445 | } | |
2446 | } | |
2447 | ||
a36c61f9 | 2448 | /* send best case acc to prlo */ |
4b5e759d JH |
2449 | static void |
2450 | bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) | |
2451 | { | |
a36c61f9 KG |
2452 | struct bfa_fcs_lport_s *port = rport->port; |
2453 | struct fchs_s fchs; | |
4b5e759d | 2454 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 2455 | int len; |
4b5e759d JH |
2456 | |
2457 | bfa_trc(rport->fcs, rport->pid); | |
2458 | ||
2459 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
2460 | if (!fcxp) | |
2461 | return; | |
4b5e759d | 2462 | len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
a36c61f9 | 2463 | rport->pid, bfa_fcs_lport_get_fcid(port), |
4b5e759d JH |
2464 | rport->reply_oxid, 0); |
2465 | ||
2466 | bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, | |
a36c61f9 KG |
2467 | port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, |
2468 | NULL, NULL, FC_MAX_PDUSZ, 0); | |
4b5e759d JH |
2469 | } |
2470 | ||
7725ccfd JH |
2471 | /* |
2472 | * Send a LS reject | |
2473 | */ | |
2474 | static void | |
2475 | bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, | |
2476 | u8 reason_code, u8 reason_code_expl) | |
2477 | { | |
a36c61f9 KG |
2478 | struct bfa_fcs_lport_s *port = rport->port; |
2479 | struct fchs_s fchs; | |
7725ccfd | 2480 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 2481 | int len; |
7725ccfd JH |
2482 | |
2483 | bfa_trc(rport->fcs, rx_fchs->s_id); | |
2484 | ||
2485 | fcxp = bfa_fcs_fcxp_alloc(rport->fcs); | |
2486 | if (!fcxp) | |
2487 | return; | |
2488 | ||
a36c61f9 KG |
2489 | len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
2490 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
2491 | rx_fchs->ox_id, reason_code, reason_code_expl); | |
7725ccfd | 2492 | |
a36c61f9 KG |
2493 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, |
2494 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, | |
2495 | FC_MAX_PDUSZ, 0); | |
7725ccfd JH |
2496 | } |
2497 | ||
5fbe25c7 | 2498 | /* |
7725ccfd JH |
2499 | * Return state of rport. |
2500 | */ | |
2501 | int | |
2502 | bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) | |
2503 | { | |
2504 | return bfa_sm_to_state(rport_sm_table, rport->sm); | |
2505 | } | |
2506 | ||
f7f73812 | 2507 | |
5fbe25c7 | 2508 | /* |
a36c61f9 KG |
2509 | * brief |
2510 | * Called by the Driver to set rport delete/ageout timeout | |
7725ccfd | 2511 | * |
a36c61f9 | 2512 | * param[in] rport timeout value in seconds. |
7725ccfd | 2513 | * |
a36c61f9 | 2514 | * return None |
7725ccfd JH |
2515 | */ |
2516 | void | |
2517 | bfa_fcs_rport_set_del_timeout(u8 rport_tmo) | |
2518 | { | |
a36c61f9 | 2519 | /* convert to Millisecs */ |
7725ccfd JH |
2520 | if (rport_tmo > 0) |
2521 | bfa_fcs_rport_del_timeout = rport_tmo * 1000; | |
2522 | } | |
4b5e759d | 2523 | void |
50444a34 | 2524 | bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id) |
4b5e759d JH |
2525 | { |
2526 | bfa_trc(rport->fcs, rport->pid); | |
2527 | ||
2528 | rport->prlo = BFA_TRUE; | |
2529 | rport->reply_oxid = ox_id; | |
2530 | bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD); | |
2531 | } | |
a36c61f9 KG |
2532 | |
2533 | ||
2534 | ||
5fbe25c7 | 2535 | /* |
a36c61f9 KG |
2536 | * Remote port implementation. |
2537 | */ | |
2538 | ||
5fbe25c7 | 2539 | /* |
a36c61f9 KG |
2540 | * fcs_rport_api FCS rport API. |
2541 | */ | |
2542 | ||
a36c61f9 KG |
2543 | struct bfa_fcs_rport_s * |
2544 | bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) | |
2545 | { | |
2546 | struct bfa_fcs_rport_s *rport; | |
2547 | ||
2548 | rport = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); | |
2549 | if (rport == NULL) { | |
2550 | /* | |
2551 | * TBD Error handling | |
2552 | */ | |
2553 | } | |
2554 | ||
2555 | return rport; | |
2556 | } | |
2557 | ||
2558 | struct bfa_fcs_rport_s * | |
2559 | bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) | |
2560 | { | |
2561 | struct bfa_fcs_rport_s *rport; | |
2562 | ||
2563 | rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn); | |
2564 | if (rport == NULL) { | |
2565 | /* | |
2566 | * TBD Error handling | |
2567 | */ | |
2568 | } | |
2569 | ||
2570 | return rport; | |
2571 | } | |
2572 | ||
5fbe25c7 | 2573 | /* |
a36c61f9 KG |
2574 | * Remote port features (RPF) implementation. |
2575 | */ | |
2576 | ||
2577 | #define BFA_FCS_RPF_RETRIES (3) | |
2578 | #define BFA_FCS_RPF_RETRY_TIMEOUT (1000) /* 1 sec (In millisecs) */ | |
2579 | ||
2580 | static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg, | |
2581 | struct bfa_fcxp_s *fcxp_alloced); | |
2582 | static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, | |
2583 | struct bfa_fcxp_s *fcxp, | |
2584 | void *cbarg, | |
2585 | bfa_status_t req_status, | |
2586 | u32 rsp_len, | |
2587 | u32 resid_len, | |
2588 | struct fchs_s *rsp_fchs); | |
2589 | ||
2590 | static void bfa_fcs_rpf_timeout(void *arg); | |
2591 | ||
5fbe25c7 | 2592 | /* |
a36c61f9 KG |
2593 | * fcs_rport_ftrs_sm FCS rport state machine events |
2594 | */ | |
2595 | ||
2596 | enum rpf_event { | |
2597 | RPFSM_EVENT_RPORT_OFFLINE = 1, /* Rport offline */ | |
2598 | RPFSM_EVENT_RPORT_ONLINE = 2, /* Rport online */ | |
2599 | RPFSM_EVENT_FCXP_SENT = 3, /* Frame from has been sent */ | |
2600 | RPFSM_EVENT_TIMEOUT = 4, /* Rport SM timeout event */ | |
2601 | RPFSM_EVENT_RPSC_COMP = 5, | |
2602 | RPFSM_EVENT_RPSC_FAIL = 6, | |
2603 | RPFSM_EVENT_RPSC_ERROR = 7, | |
2604 | }; | |
2605 | ||
2606 | static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, | |
2607 | enum rpf_event event); | |
2608 | static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, | |
2609 | enum rpf_event event); | |
2610 | static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, | |
2611 | enum rpf_event event); | |
2612 | static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, | |
2613 | enum rpf_event event); | |
2614 | static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, | |
2615 | enum rpf_event event); | |
2616 | static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, | |
2617 | enum rpf_event event); | |
2618 | ||
2619 | static void | |
2620 | bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2621 | { | |
2622 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2623 | struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric; | |
2624 | ||
2625 | bfa_trc(rport->fcs, rport->pwwn); | |
2626 | bfa_trc(rport->fcs, rport->pid); | |
2627 | bfa_trc(rport->fcs, event); | |
2628 | ||
2629 | switch (event) { | |
2630 | case RPFSM_EVENT_RPORT_ONLINE: | |
2631 | /* Send RPSC2 to a Brocade fabric only. */ | |
2632 | if ((!BFA_FCS_PID_IS_WKA(rport->pid)) && | |
f7f73812 | 2633 | ((rport->port->fabric->lps->brcd_switch) || |
a36c61f9 KG |
2634 | (bfa_fcs_fabric_get_switch_oui(fabric) == |
2635 | BFA_FCS_BRCD_SWITCH_OUI))) { | |
2636 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); | |
2637 | rpf->rpsc_retries = 0; | |
2638 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); | |
2639 | } | |
2640 | break; | |
2641 | ||
2642 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2643 | break; | |
2644 | ||
2645 | default: | |
2646 | bfa_sm_fault(rport->fcs, event); | |
2647 | } | |
2648 | } | |
2649 | ||
2650 | static void | |
2651 | bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2652 | { | |
2653 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2654 | ||
2655 | bfa_trc(rport->fcs, event); | |
2656 | ||
2657 | switch (event) { | |
2658 | case RPFSM_EVENT_FCXP_SENT: | |
2659 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc); | |
2660 | break; | |
2661 | ||
2662 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2663 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2664 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe); | |
2665 | rpf->rpsc_retries = 0; | |
2666 | break; | |
2667 | ||
2668 | default: | |
2669 | bfa_sm_fault(rport->fcs, event); | |
2670 | } | |
2671 | } | |
2672 | ||
2673 | static void | |
2674 | bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2675 | { | |
2676 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2677 | ||
2678 | bfa_trc(rport->fcs, rport->pid); | |
2679 | bfa_trc(rport->fcs, event); | |
2680 | ||
2681 | switch (event) { | |
2682 | case RPFSM_EVENT_RPSC_COMP: | |
2683 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); | |
2684 | /* Update speed info in f/w via BFA */ | |
2685 | if (rpf->rpsc_speed != BFA_PORT_SPEED_UNKNOWN) | |
2686 | bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed); | |
2687 | else if (rpf->assigned_speed != BFA_PORT_SPEED_UNKNOWN) | |
2688 | bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed); | |
2689 | break; | |
2690 | ||
2691 | case RPFSM_EVENT_RPSC_FAIL: | |
2692 | /* RPSC not supported by rport */ | |
2693 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); | |
2694 | break; | |
2695 | ||
2696 | case RPFSM_EVENT_RPSC_ERROR: | |
2697 | /* need to retry...delayed a bit. */ | |
2698 | if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) { | |
2699 | bfa_timer_start(rport->fcs->bfa, &rpf->timer, | |
2700 | bfa_fcs_rpf_timeout, rpf, | |
2701 | BFA_FCS_RPF_RETRY_TIMEOUT); | |
2702 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry); | |
2703 | } else { | |
2704 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); | |
2705 | } | |
2706 | break; | |
2707 | ||
2708 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2709 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2710 | bfa_fcxp_discard(rpf->fcxp); | |
2711 | rpf->rpsc_retries = 0; | |
2712 | break; | |
2713 | ||
2714 | default: | |
2715 | bfa_sm_fault(rport->fcs, event); | |
2716 | } | |
2717 | } | |
2718 | ||
2719 | static void | |
2720 | bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2721 | { | |
2722 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2723 | ||
2724 | bfa_trc(rport->fcs, rport->pid); | |
2725 | bfa_trc(rport->fcs, event); | |
2726 | ||
2727 | switch (event) { | |
2728 | case RPFSM_EVENT_TIMEOUT: | |
2729 | /* re-send the RPSC */ | |
2730 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); | |
2731 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); | |
2732 | break; | |
2733 | ||
2734 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2735 | bfa_timer_stop(&rpf->timer); | |
2736 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2737 | rpf->rpsc_retries = 0; | |
2738 | break; | |
2739 | ||
2740 | default: | |
2741 | bfa_sm_fault(rport->fcs, event); | |
2742 | } | |
2743 | } | |
2744 | ||
2745 | static void | |
2746 | bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2747 | { | |
2748 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2749 | ||
2750 | bfa_trc(rport->fcs, rport->pwwn); | |
2751 | bfa_trc(rport->fcs, rport->pid); | |
2752 | bfa_trc(rport->fcs, event); | |
2753 | ||
2754 | switch (event) { | |
2755 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2756 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2757 | rpf->rpsc_retries = 0; | |
2758 | break; | |
2759 | ||
2760 | default: | |
2761 | bfa_sm_fault(rport->fcs, event); | |
2762 | } | |
2763 | } | |
2764 | ||
2765 | static void | |
2766 | bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2767 | { | |
2768 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2769 | ||
2770 | bfa_trc(rport->fcs, rport->pwwn); | |
2771 | bfa_trc(rport->fcs, rport->pid); | |
2772 | bfa_trc(rport->fcs, event); | |
2773 | ||
2774 | switch (event) { | |
2775 | case RPFSM_EVENT_RPORT_ONLINE: | |
2776 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); | |
2777 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); | |
2778 | break; | |
2779 | ||
2780 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2781 | break; | |
2782 | ||
2783 | default: | |
2784 | bfa_sm_fault(rport->fcs, event); | |
2785 | } | |
2786 | } | |
5fbe25c7 | 2787 | /* |
a36c61f9 KG |
2788 | * Called when Rport is created. |
2789 | */ | |
2790 | void | |
2791 | bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport) | |
2792 | { | |
2793 | struct bfa_fcs_rpf_s *rpf = &rport->rpf; | |
2794 | ||
2795 | bfa_trc(rport->fcs, rport->pid); | |
2796 | rpf->rport = rport; | |
2797 | ||
2798 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit); | |
2799 | } | |
2800 | ||
5fbe25c7 | 2801 | /* |
a36c61f9 KG |
2802 | * Called when Rport becomes online |
2803 | */ | |
2804 | void | |
2805 | bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport) | |
2806 | { | |
2807 | bfa_trc(rport->fcs, rport->pid); | |
2808 | ||
2809 | if (__fcs_min_cfg(rport->port->fcs)) | |
2810 | return; | |
2811 | ||
2812 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) | |
2813 | bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE); | |
2814 | } | |
2815 | ||
5fbe25c7 | 2816 | /* |
a36c61f9 KG |
2817 | * Called when Rport becomes offline |
2818 | */ | |
2819 | void | |
2820 | bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport) | |
2821 | { | |
2822 | bfa_trc(rport->fcs, rport->pid); | |
2823 | ||
2824 | if (__fcs_min_cfg(rport->port->fcs)) | |
2825 | return; | |
2826 | ||
2827 | rport->rpf.rpsc_speed = 0; | |
2828 | bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE); | |
2829 | } | |
2830 | ||
2831 | static void | |
2832 | bfa_fcs_rpf_timeout(void *arg) | |
2833 | { | |
2834 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg; | |
2835 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2836 | ||
2837 | bfa_trc(rport->fcs, rport->pid); | |
2838 | bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT); | |
2839 | } | |
2840 | ||
2841 | static void | |
2842 | bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
2843 | { | |
2844 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg; | |
2845 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2846 | struct bfa_fcs_lport_s *port = rport->port; | |
2847 | struct fchs_s fchs; | |
2848 | int len; | |
2849 | struct bfa_fcxp_s *fcxp; | |
2850 | ||
2851 | bfa_trc(rport->fcs, rport->pwwn); | |
2852 | ||
2853 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
2854 | if (!fcxp) { | |
2855 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe, | |
2856 | bfa_fcs_rpf_send_rpsc2, rpf); | |
2857 | return; | |
2858 | } | |
2859 | rpf->fcxp = fcxp; | |
2860 | ||
2861 | len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
2862 | bfa_fcs_lport_get_fcid(port), &rport->pid, 1); | |
2863 | ||
2864 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
2865 | FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response, | |
2866 | rpf, FC_MAX_PDUSZ, FC_ELS_TOV); | |
2867 | rport->stats.rpsc_sent++; | |
2868 | bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT); | |
2869 | ||
2870 | } | |
2871 | ||
2872 | static void | |
2873 | bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
2874 | bfa_status_t req_status, u32 rsp_len, | |
2875 | u32 resid_len, struct fchs_s *rsp_fchs) | |
2876 | { | |
2877 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg; | |
2878 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2879 | struct fc_ls_rjt_s *ls_rjt; | |
2880 | struct fc_rpsc2_acc_s *rpsc2_acc; | |
2881 | u16 num_ents; | |
2882 | ||
2883 | bfa_trc(rport->fcs, req_status); | |
2884 | ||
2885 | if (req_status != BFA_STATUS_OK) { | |
2886 | bfa_trc(rport->fcs, req_status); | |
2887 | if (req_status == BFA_STATUS_ETIMER) | |
2888 | rport->stats.rpsc_failed++; | |
2889 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); | |
2890 | return; | |
2891 | } | |
2892 | ||
2893 | rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp); | |
2894 | if (rpsc2_acc->els_cmd == FC_ELS_ACC) { | |
2895 | rport->stats.rpsc_accs++; | |
ba816ea8 | 2896 | num_ents = be16_to_cpu(rpsc2_acc->num_pids); |
a36c61f9 KG |
2897 | bfa_trc(rport->fcs, num_ents); |
2898 | if (num_ents > 0) { | |
2899 | bfa_assert(rpsc2_acc->port_info[0].pid != rport->pid); | |
2900 | bfa_trc(rport->fcs, | |
ba816ea8 | 2901 | be16_to_cpu(rpsc2_acc->port_info[0].pid)); |
a36c61f9 | 2902 | bfa_trc(rport->fcs, |
ba816ea8 | 2903 | be16_to_cpu(rpsc2_acc->port_info[0].speed)); |
a36c61f9 | 2904 | bfa_trc(rport->fcs, |
ba816ea8 | 2905 | be16_to_cpu(rpsc2_acc->port_info[0].index)); |
a36c61f9 KG |
2906 | bfa_trc(rport->fcs, |
2907 | rpsc2_acc->port_info[0].type); | |
2908 | ||
2909 | if (rpsc2_acc->port_info[0].speed == 0) { | |
2910 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); | |
2911 | return; | |
2912 | } | |
2913 | ||
2914 | rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed( | |
ba816ea8 | 2915 | be16_to_cpu(rpsc2_acc->port_info[0].speed)); |
a36c61f9 KG |
2916 | |
2917 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP); | |
2918 | } | |
2919 | } else { | |
2920 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
2921 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
2922 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
2923 | rport->stats.rpsc_rejects++; | |
2924 | if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP) | |
2925 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL); | |
2926 | else | |
2927 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); | |
2928 | } | |
2929 | } |