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 | ||
18 | /** | |
19 | * rport.c Remote port implementation. | |
20 | */ | |
21 | ||
a36c61f9 KG |
22 | #include "bfa_fcs.h" |
23 | #include "bfa_fcbuild.h" | |
24 | #include "bfad_drv.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 JH |
78 | /** |
79 | * fcs_rport_sm FCS rport state machine events | |
80 | */ | |
81 | ||
82 | enum rport_event { | |
a36c61f9 KG |
83 | RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ |
84 | RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ | |
85 | RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ | |
86 | RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ | |
87 | RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ | |
88 | RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ | |
89 | RPSM_EVENT_DELETE = 7, /* RPORT delete request */ | |
90 | RPSM_EVENT_SCN = 8, /* state change notification */ | |
91 | RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */ | |
92 | RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ | |
93 | RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ | |
94 | RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ | |
95 | RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ | |
96 | RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ | |
97 | RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ | |
4b5e759d | 98 | RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ |
a36c61f9 KG |
99 | RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ |
100 | RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continously */ | |
7725ccfd JH |
101 | }; |
102 | ||
a36c61f9 | 103 | static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, |
7725ccfd | 104 | enum rport_event event); |
a36c61f9 KG |
105 | static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, |
106 | enum rport_event event); | |
107 | static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 108 | enum rport_event event); |
a36c61f9 KG |
109 | static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, |
110 | enum rport_event event); | |
111 | static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 112 | enum rport_event event); |
a36c61f9 KG |
113 | static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, |
114 | enum rport_event event); | |
115 | static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, | |
116 | enum rport_event event); | |
117 | static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 118 | enum rport_event event); |
a36c61f9 | 119 | static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, |
7725ccfd | 120 | enum rport_event event); |
a36c61f9 KG |
121 | static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, |
122 | enum rport_event event); | |
123 | static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, | |
124 | enum rport_event event); | |
125 | static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, | |
126 | enum rport_event event); | |
127 | static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, | |
128 | enum rport_event event); | |
129 | static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, | |
130 | enum rport_event event); | |
131 | static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, | |
132 | enum rport_event event); | |
133 | static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, | |
134 | enum rport_event event); | |
135 | static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, | |
136 | enum rport_event event); | |
137 | static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, | |
138 | enum rport_event event); | |
139 | static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 140 | enum rport_event event); |
a36c61f9 KG |
141 | static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, |
142 | enum rport_event event); | |
143 | static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, | |
144 | enum rport_event event); | |
145 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
146 | enum rport_event event); | |
147 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
7725ccfd | 148 | enum rport_event event); |
7725ccfd JH |
149 | |
150 | static struct bfa_sm_table_s rport_sm_table[] = { | |
151 | {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, | |
152 | {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, | |
153 | {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, | |
154 | {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, | |
155 | {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, | |
156 | {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, | |
157 | {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, | |
158 | {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, | |
159 | {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, | |
160 | {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, | |
161 | {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, | |
162 | {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, | |
163 | {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, | |
164 | {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, | |
165 | {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, | |
166 | {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, | |
167 | {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, | |
168 | {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, | |
169 | {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, | |
170 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, | |
171 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, | |
172 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, | |
173 | }; | |
174 | ||
175 | /** | |
a36c61f9 | 176 | * Beginning state. |
7725ccfd JH |
177 | */ |
178 | static void | |
179 | bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
180 | { | |
181 | bfa_trc(rport->fcs, rport->pwwn); | |
182 | bfa_trc(rport->fcs, rport->pid); | |
183 | bfa_trc(rport->fcs, event); | |
184 | ||
185 | switch (event) { | |
186 | case RPSM_EVENT_PLOGI_SEND: | |
187 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
188 | rport->plogi_retries = 0; | |
189 | bfa_fcs_rport_send_plogi(rport, NULL); | |
190 | break; | |
191 | ||
192 | case RPSM_EVENT_PLOGI_RCVD: | |
193 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
194 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
195 | break; | |
196 | ||
197 | case RPSM_EVENT_PLOGI_COMP: | |
198 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
199 | bfa_fcs_rport_hal_online(rport); | |
200 | break; | |
201 | ||
202 | case RPSM_EVENT_ADDRESS_CHANGE: | |
203 | case RPSM_EVENT_ADDRESS_DISC: | |
204 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
205 | rport->ns_retries = 0; | |
a36c61f9 | 206 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd | 207 | break; |
7725ccfd | 208 | default: |
e641de37 | 209 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
210 | } |
211 | } | |
212 | ||
213 | /** | |
a36c61f9 | 214 | * PLOGI is being sent. |
7725ccfd JH |
215 | */ |
216 | static void | |
217 | bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 218 | enum rport_event event) |
7725ccfd JH |
219 | { |
220 | bfa_trc(rport->fcs, rport->pwwn); | |
221 | bfa_trc(rport->fcs, rport->pid); | |
222 | bfa_trc(rport->fcs, event); | |
223 | ||
224 | switch (event) { | |
225 | case RPSM_EVENT_FCXP_SENT: | |
226 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); | |
227 | break; | |
228 | ||
229 | case RPSM_EVENT_DELETE: | |
230 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
231 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
232 | bfa_fcs_rport_free(rport); | |
233 | break; | |
234 | ||
235 | case RPSM_EVENT_PLOGI_RCVD: | |
236 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
237 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
238 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
239 | break; | |
240 | ||
241 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 KG |
242 | case RPSM_EVENT_SCN: |
243 | /* query the NS */ | |
7725ccfd JH |
244 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
245 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
246 | rport->ns_retries = 0; | |
a36c61f9 | 247 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
248 | break; |
249 | ||
250 | case RPSM_EVENT_LOGO_IMP: | |
251 | rport->pid = 0; | |
252 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
253 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
254 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
255 | bfa_fcs_rport_timeout, rport, | |
256 | bfa_fcs_rport_del_timeout); | |
257 | break; | |
258 | ||
7725ccfd JH |
259 | |
260 | default: | |
e641de37 | 261 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
262 | } |
263 | } | |
264 | ||
265 | /** | |
a36c61f9 | 266 | * PLOGI is being sent. |
7725ccfd JH |
267 | */ |
268 | static void | |
269 | bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 270 | enum rport_event event) |
7725ccfd JH |
271 | { |
272 | bfa_trc(rport->fcs, rport->pwwn); | |
273 | bfa_trc(rport->fcs, rport->pid); | |
274 | bfa_trc(rport->fcs, event); | |
275 | ||
276 | switch (event) { | |
277 | case RPSM_EVENT_FCXP_SENT: | |
278 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
279 | bfa_fcs_rport_hal_online(rport); | |
280 | break; | |
281 | ||
282 | case RPSM_EVENT_DELETE: | |
283 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
284 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
285 | bfa_fcs_rport_free(rport); | |
286 | break; | |
287 | ||
a36c61f9 | 288 | case RPSM_EVENT_PLOGI_RCVD: |
7725ccfd JH |
289 | case RPSM_EVENT_SCN: |
290 | /** | |
291 | * Ignore, SCN is possibly online notification. | |
292 | */ | |
293 | break; | |
294 | ||
295 | case RPSM_EVENT_ADDRESS_CHANGE: | |
296 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
297 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
298 | rport->ns_retries = 0; | |
a36c61f9 | 299 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
300 | break; |
301 | ||
302 | case RPSM_EVENT_LOGO_IMP: | |
303 | rport->pid = 0; | |
304 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
305 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
306 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
307 | bfa_fcs_rport_timeout, rport, | |
308 | bfa_fcs_rport_del_timeout); | |
309 | break; | |
310 | ||
311 | case RPSM_EVENT_HCB_OFFLINE: | |
312 | /** | |
313 | * Ignore BFA callback, on a PLOGI receive we call bfa offline. | |
314 | */ | |
315 | break; | |
316 | ||
317 | default: | |
e641de37 | 318 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
319 | } |
320 | } | |
321 | ||
322 | /** | |
a36c61f9 | 323 | * PLOGI is sent. |
7725ccfd JH |
324 | */ |
325 | static void | |
326 | bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, | |
327 | enum rport_event event) | |
328 | { | |
329 | bfa_trc(rport->fcs, rport->pwwn); | |
330 | bfa_trc(rport->fcs, rport->pid); | |
331 | bfa_trc(rport->fcs, event); | |
332 | ||
333 | switch (event) { | |
7725ccfd | 334 | case RPSM_EVENT_TIMEOUT: |
a36c61f9 KG |
335 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
336 | bfa_fcs_rport_send_plogi(rport, NULL); | |
7725ccfd JH |
337 | break; |
338 | ||
339 | case RPSM_EVENT_DELETE: | |
340 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
341 | bfa_timer_stop(&rport->timer); | |
342 | bfa_fcs_rport_free(rport); | |
343 | break; | |
344 | ||
4b5e759d | 345 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
346 | case RPSM_EVENT_LOGO_RCVD: |
347 | break; | |
348 | ||
349 | case RPSM_EVENT_PLOGI_RCVD: | |
350 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
351 | bfa_timer_stop(&rport->timer); | |
352 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
353 | break; | |
354 | ||
355 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 356 | case RPSM_EVENT_SCN: |
7725ccfd JH |
357 | bfa_timer_stop(&rport->timer); |
358 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
359 | rport->ns_retries = 0; | |
a36c61f9 | 360 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
361 | break; |
362 | ||
363 | case RPSM_EVENT_LOGO_IMP: | |
364 | rport->pid = 0; | |
365 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
366 | bfa_timer_stop(&rport->timer); | |
367 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
368 | bfa_fcs_rport_timeout, rport, | |
369 | bfa_fcs_rport_del_timeout); | |
370 | break; | |
371 | ||
372 | case RPSM_EVENT_PLOGI_COMP: | |
373 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
374 | bfa_timer_stop(&rport->timer); | |
375 | bfa_fcs_rport_hal_online(rport); | |
376 | break; | |
377 | ||
378 | default: | |
e641de37 | 379 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
380 | } |
381 | } | |
382 | ||
383 | /** | |
a36c61f9 | 384 | * PLOGI is sent. |
7725ccfd JH |
385 | */ |
386 | static void | |
387 | bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
388 | { | |
389 | bfa_trc(rport->fcs, rport->pwwn); | |
390 | bfa_trc(rport->fcs, rport->pid); | |
391 | bfa_trc(rport->fcs, event); | |
392 | ||
393 | switch (event) { | |
394 | case RPSM_EVENT_ACCEPTED: | |
395 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
396 | rport->plogi_retries = 0; | |
397 | bfa_fcs_rport_hal_online(rport); | |
398 | break; | |
399 | ||
400 | case RPSM_EVENT_LOGO_RCVD: | |
401 | bfa_fcs_rport_send_logo_acc(rport); | |
4b5e759d JH |
402 | /* |
403 | * !! fall through !! | |
404 | */ | |
405 | case RPSM_EVENT_PRLO_RCVD: | |
406 | if (rport->prlo == BFA_TRUE) | |
407 | bfa_fcs_rport_send_prlo_acc(rport); | |
408 | ||
7725ccfd JH |
409 | bfa_fcxp_discard(rport->fcxp); |
410 | /* | |
411 | * !! fall through !! | |
412 | */ | |
413 | case RPSM_EVENT_FAILED: | |
a36c61f9 KG |
414 | if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
415 | rport->plogi_retries++; | |
416 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); | |
417 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
418 | bfa_fcs_rport_timeout, rport, | |
419 | BFA_FCS_RETRY_TIMEOUT); | |
420 | } else { | |
421 | bfa_stats(rport->port, rport_del_max_plogi_retry); | |
422 | rport->pid = 0; | |
423 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
424 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
425 | bfa_fcs_rport_timeout, rport, | |
426 | bfa_fcs_rport_del_timeout); | |
427 | } | |
428 | break; | |
429 | ||
430 | case RPSM_EVENT_PLOGI_RETRY: | |
431 | rport->plogi_retries = 0; | |
7725ccfd JH |
432 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); |
433 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
434 | bfa_fcs_rport_timeout, rport, | |
a36c61f9 | 435 | (FC_RA_TOV * 1000)); |
7725ccfd JH |
436 | break; |
437 | ||
438 | case RPSM_EVENT_LOGO_IMP: | |
439 | rport->pid = 0; | |
440 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
441 | bfa_fcxp_discard(rport->fcxp); | |
442 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
443 | bfa_fcs_rport_timeout, rport, | |
444 | bfa_fcs_rport_del_timeout); | |
445 | break; | |
446 | ||
447 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 448 | case RPSM_EVENT_SCN: |
7725ccfd JH |
449 | bfa_fcxp_discard(rport->fcxp); |
450 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
451 | rport->ns_retries = 0; | |
a36c61f9 | 452 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
453 | break; |
454 | ||
455 | case RPSM_EVENT_PLOGI_RCVD: | |
456 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
457 | bfa_fcxp_discard(rport->fcxp); | |
458 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
459 | break; | |
460 | ||
7725ccfd JH |
461 | case RPSM_EVENT_DELETE: |
462 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
463 | bfa_fcxp_discard(rport->fcxp); | |
464 | bfa_fcs_rport_free(rport); | |
465 | break; | |
466 | ||
467 | case RPSM_EVENT_PLOGI_COMP: | |
468 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
469 | bfa_fcxp_discard(rport->fcxp); | |
470 | bfa_fcs_rport_hal_online(rport); | |
471 | break; | |
472 | ||
473 | default: | |
e641de37 | 474 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
475 | } |
476 | } | |
477 | ||
478 | /** | |
a36c61f9 KG |
479 | * PLOGI is complete. Awaiting BFA rport online callback. FC-4s |
480 | * are offline. | |
7725ccfd JH |
481 | */ |
482 | static void | |
483 | bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, | |
484 | enum rport_event event) | |
485 | { | |
486 | bfa_trc(rport->fcs, rport->pwwn); | |
487 | bfa_trc(rport->fcs, rport->pid); | |
488 | bfa_trc(rport->fcs, event); | |
489 | ||
490 | switch (event) { | |
491 | case RPSM_EVENT_HCB_ONLINE: | |
492 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); | |
493 | bfa_fcs_rport_online_action(rport); | |
494 | break; | |
495 | ||
4b5e759d JH |
496 | case RPSM_EVENT_PRLO_RCVD: |
497 | break; | |
498 | ||
7725ccfd JH |
499 | case RPSM_EVENT_LOGO_RCVD: |
500 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); | |
501 | bfa_rport_offline(rport->bfa_rport); | |
502 | break; | |
503 | ||
504 | case RPSM_EVENT_LOGO_IMP: | |
505 | case RPSM_EVENT_ADDRESS_CHANGE: | |
506 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
507 | bfa_rport_offline(rport->bfa_rport); | |
508 | break; | |
509 | ||
510 | case RPSM_EVENT_PLOGI_RCVD: | |
511 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
512 | bfa_rport_offline(rport->bfa_rport); | |
513 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
514 | break; | |
515 | ||
516 | case RPSM_EVENT_DELETE: | |
517 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
518 | bfa_rport_offline(rport->bfa_rport); | |
519 | break; | |
520 | ||
521 | case RPSM_EVENT_SCN: | |
522 | /** | |
523 | * @todo | |
524 | * Ignore SCN - PLOGI just completed, FC-4 login should detect | |
525 | * device failures. | |
526 | */ | |
527 | break; | |
528 | ||
529 | default: | |
e641de37 | 530 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
531 | } |
532 | } | |
533 | ||
534 | /** | |
a36c61f9 | 535 | * Rport is ONLINE. FC-4s active. |
7725ccfd JH |
536 | */ |
537 | static void | |
538 | bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
539 | { | |
540 | bfa_trc(rport->fcs, rport->pwwn); | |
541 | bfa_trc(rport->fcs, rport->pid); | |
542 | bfa_trc(rport->fcs, event); | |
543 | ||
544 | switch (event) { | |
545 | case RPSM_EVENT_SCN: | |
7725ccfd JH |
546 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
547 | bfa_sm_set_state(rport, | |
548 | bfa_fcs_rport_sm_nsquery_sending); | |
549 | rport->ns_retries = 0; | |
a36c61f9 | 550 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
551 | } else { |
552 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); | |
553 | bfa_fcs_rport_send_adisc(rport, NULL); | |
554 | } | |
555 | break; | |
556 | ||
557 | case RPSM_EVENT_PLOGI_RCVD: | |
558 | case RPSM_EVENT_LOGO_IMP: | |
559 | case RPSM_EVENT_ADDRESS_CHANGE: | |
560 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
561 | bfa_fcs_rport_offline_action(rport); | |
562 | break; | |
563 | ||
564 | case RPSM_EVENT_DELETE: | |
565 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
566 | bfa_fcs_rport_offline_action(rport); | |
567 | break; | |
568 | ||
569 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 570 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
571 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
572 | bfa_fcs_rport_offline_action(rport); | |
573 | break; | |
574 | ||
575 | case RPSM_EVENT_PLOGI_COMP: | |
576 | break; | |
577 | ||
578 | default: | |
e641de37 | 579 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
580 | } |
581 | } | |
582 | ||
583 | /** | |
a36c61f9 KG |
584 | * An SCN event is received in ONLINE state. NS query is being sent |
585 | * prior to ADISC authentication with rport. FC-4s are paused. | |
7725ccfd JH |
586 | */ |
587 | static void | |
588 | bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 589 | enum rport_event event) |
7725ccfd JH |
590 | { |
591 | bfa_trc(rport->fcs, rport->pwwn); | |
592 | bfa_trc(rport->fcs, rport->pid); | |
593 | bfa_trc(rport->fcs, event); | |
594 | ||
595 | switch (event) { | |
596 | case RPSM_EVENT_FCXP_SENT: | |
597 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); | |
598 | break; | |
599 | ||
600 | case RPSM_EVENT_DELETE: | |
601 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
602 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
603 | bfa_fcs_rport_offline_action(rport); | |
604 | break; | |
605 | ||
606 | case RPSM_EVENT_SCN: | |
607 | /** | |
608 | * ignore SCN, wait for response to query itself | |
609 | */ | |
610 | break; | |
611 | ||
612 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 613 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
614 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
615 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
616 | bfa_fcs_rport_offline_action(rport); | |
617 | break; | |
618 | ||
619 | case RPSM_EVENT_LOGO_IMP: | |
620 | rport->pid = 0; | |
621 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
622 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
623 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
624 | bfa_fcs_rport_timeout, rport, | |
625 | bfa_fcs_rport_del_timeout); | |
626 | break; | |
627 | ||
628 | case RPSM_EVENT_PLOGI_RCVD: | |
629 | case RPSM_EVENT_ADDRESS_CHANGE: | |
630 | case RPSM_EVENT_PLOGI_COMP: | |
631 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
632 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
633 | bfa_fcs_rport_offline_action(rport); | |
634 | break; | |
635 | ||
636 | default: | |
e641de37 | 637 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
638 | } |
639 | } | |
640 | ||
641 | /** | |
a36c61f9 KG |
642 | * An SCN event is received in ONLINE state. NS query is sent to rport. |
643 | * FC-4s are paused. | |
7725ccfd JH |
644 | */ |
645 | static void | |
646 | bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
647 | { | |
648 | bfa_trc(rport->fcs, rport->pwwn); | |
649 | bfa_trc(rport->fcs, rport->pid); | |
650 | bfa_trc(rport->fcs, event); | |
651 | ||
652 | switch (event) { | |
653 | case RPSM_EVENT_ACCEPTED: | |
654 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); | |
655 | bfa_fcs_rport_send_adisc(rport, NULL); | |
656 | break; | |
657 | ||
658 | case RPSM_EVENT_FAILED: | |
659 | rport->ns_retries++; | |
660 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
661 | bfa_sm_set_state(rport, | |
662 | bfa_fcs_rport_sm_nsquery_sending); | |
a36c61f9 | 663 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
664 | } else { |
665 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
666 | bfa_fcs_rport_offline_action(rport); | |
667 | } | |
668 | break; | |
669 | ||
670 | case RPSM_EVENT_DELETE: | |
671 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
672 | bfa_fcxp_discard(rport->fcxp); | |
673 | bfa_fcs_rport_offline_action(rport); | |
674 | break; | |
675 | ||
676 | case RPSM_EVENT_SCN: | |
677 | break; | |
678 | ||
679 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 680 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
681 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
682 | bfa_fcxp_discard(rport->fcxp); | |
683 | bfa_fcs_rport_offline_action(rport); | |
684 | break; | |
685 | ||
686 | case RPSM_EVENT_PLOGI_COMP: | |
687 | case RPSM_EVENT_ADDRESS_CHANGE: | |
688 | case RPSM_EVENT_PLOGI_RCVD: | |
689 | case RPSM_EVENT_LOGO_IMP: | |
690 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
691 | bfa_fcxp_discard(rport->fcxp); | |
692 | bfa_fcs_rport_offline_action(rport); | |
693 | break; | |
694 | ||
695 | default: | |
e641de37 | 696 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
697 | } |
698 | } | |
699 | ||
700 | /** | |
a36c61f9 KG |
701 | * An SCN event is received in ONLINE state. ADISC is being sent for |
702 | * authenticating with rport. FC-4s are paused. | |
7725ccfd JH |
703 | */ |
704 | static void | |
705 | bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 706 | enum rport_event event) |
7725ccfd JH |
707 | { |
708 | bfa_trc(rport->fcs, rport->pwwn); | |
709 | bfa_trc(rport->fcs, rport->pid); | |
710 | bfa_trc(rport->fcs, event); | |
711 | ||
712 | switch (event) { | |
713 | case RPSM_EVENT_FCXP_SENT: | |
714 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc); | |
715 | break; | |
716 | ||
717 | case RPSM_EVENT_DELETE: | |
718 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
719 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
720 | bfa_fcs_rport_offline_action(rport); | |
721 | break; | |
722 | ||
723 | case RPSM_EVENT_LOGO_IMP: | |
724 | case RPSM_EVENT_ADDRESS_CHANGE: | |
725 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
726 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
727 | bfa_fcs_rport_offline_action(rport); | |
728 | break; | |
729 | ||
730 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 731 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
732 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
733 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
734 | bfa_fcs_rport_offline_action(rport); | |
735 | break; | |
736 | ||
737 | case RPSM_EVENT_SCN: | |
738 | break; | |
739 | ||
740 | case RPSM_EVENT_PLOGI_RCVD: | |
741 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
742 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
743 | bfa_fcs_rport_offline_action(rport); | |
744 | break; | |
745 | ||
746 | default: | |
e641de37 | 747 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
748 | } |
749 | } | |
750 | ||
751 | /** | |
a36c61f9 KG |
752 | * An SCN event is received in ONLINE state. ADISC is to rport. |
753 | * FC-4s are paused. | |
7725ccfd JH |
754 | */ |
755 | static void | |
756 | bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
757 | { | |
758 | bfa_trc(rport->fcs, rport->pwwn); | |
759 | bfa_trc(rport->fcs, rport->pid); | |
760 | bfa_trc(rport->fcs, event); | |
761 | ||
762 | switch (event) { | |
763 | case RPSM_EVENT_ACCEPTED: | |
764 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); | |
7725ccfd JH |
765 | break; |
766 | ||
767 | case RPSM_EVENT_PLOGI_RCVD: | |
768 | /** | |
769 | * Too complex to cleanup FC-4 & rport and then acc to PLOGI. | |
770 | * At least go offline when a PLOGI is received. | |
771 | */ | |
772 | bfa_fcxp_discard(rport->fcxp); | |
773 | /* | |
774 | * !!! fall through !!! | |
775 | */ | |
776 | ||
777 | case RPSM_EVENT_FAILED: | |
778 | case RPSM_EVENT_ADDRESS_CHANGE: | |
779 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
780 | bfa_fcs_rport_offline_action(rport); | |
781 | break; | |
782 | ||
783 | case RPSM_EVENT_DELETE: | |
784 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
785 | bfa_fcxp_discard(rport->fcxp); | |
786 | bfa_fcs_rport_offline_action(rport); | |
787 | break; | |
788 | ||
789 | case RPSM_EVENT_SCN: | |
790 | /** | |
791 | * already processing RSCN | |
792 | */ | |
793 | break; | |
794 | ||
795 | case RPSM_EVENT_LOGO_IMP: | |
796 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
797 | bfa_fcxp_discard(rport->fcxp); | |
798 | bfa_fcs_rport_offline_action(rport); | |
799 | break; | |
800 | ||
801 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 802 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
803 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
804 | bfa_fcxp_discard(rport->fcxp); | |
805 | bfa_fcs_rport_offline_action(rport); | |
806 | break; | |
807 | ||
808 | default: | |
e641de37 | 809 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
810 | } |
811 | } | |
812 | ||
813 | /** | |
a36c61f9 | 814 | * Rport has sent LOGO. Awaiting FC-4 offline completion callback. |
7725ccfd JH |
815 | */ |
816 | static void | |
817 | bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, | |
818 | enum rport_event event) | |
819 | { | |
820 | bfa_trc(rport->fcs, rport->pwwn); | |
821 | bfa_trc(rport->fcs, rport->pid); | |
822 | bfa_trc(rport->fcs, event); | |
823 | ||
824 | switch (event) { | |
825 | case RPSM_EVENT_FC4_OFFLINE: | |
826 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); | |
827 | bfa_rport_offline(rport->bfa_rport); | |
828 | break; | |
829 | ||
830 | case RPSM_EVENT_DELETE: | |
831 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
832 | break; | |
833 | ||
834 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 835 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
836 | case RPSM_EVENT_ADDRESS_CHANGE: |
837 | break; | |
838 | ||
839 | default: | |
e641de37 | 840 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
841 | } |
842 | } | |
843 | ||
844 | /** | |
a36c61f9 KG |
845 | * LOGO needs to be sent to rport. Awaiting FC-4 offline completion |
846 | * callback. | |
7725ccfd JH |
847 | */ |
848 | static void | |
849 | bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 850 | enum rport_event event) |
7725ccfd JH |
851 | { |
852 | bfa_trc(rport->fcs, rport->pwwn); | |
853 | bfa_trc(rport->fcs, rport->pid); | |
854 | bfa_trc(rport->fcs, event); | |
855 | ||
856 | switch (event) { | |
857 | case RPSM_EVENT_FC4_OFFLINE: | |
858 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
859 | bfa_rport_offline(rport->bfa_rport); | |
860 | break; | |
861 | ||
862 | default: | |
e641de37 | 863 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
864 | } |
865 | } | |
866 | ||
867 | /** | |
a36c61f9 | 868 | * Rport is going offline. Awaiting FC-4 offline completion callback. |
7725ccfd JH |
869 | */ |
870 | static void | |
871 | bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, | |
872 | enum rport_event event) | |
873 | { | |
874 | bfa_trc(rport->fcs, rport->pwwn); | |
875 | bfa_trc(rport->fcs, rport->pid); | |
876 | bfa_trc(rport->fcs, event); | |
877 | ||
878 | switch (event) { | |
879 | case RPSM_EVENT_FC4_OFFLINE: | |
880 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
881 | bfa_rport_offline(rport->bfa_rport); | |
882 | break; | |
883 | ||
884 | case RPSM_EVENT_SCN: | |
885 | case RPSM_EVENT_LOGO_IMP: | |
886 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 887 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
888 | case RPSM_EVENT_ADDRESS_CHANGE: |
889 | /** | |
890 | * rport is already going offline. | |
891 | * SCN - ignore and wait till transitioning to offline state | |
892 | */ | |
893 | break; | |
894 | ||
895 | case RPSM_EVENT_DELETE: | |
896 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
897 | break; | |
898 | ||
899 | default: | |
e641de37 | 900 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
901 | } |
902 | } | |
903 | ||
904 | /** | |
a36c61f9 KG |
905 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
906 | * callback. | |
7725ccfd JH |
907 | */ |
908 | static void | |
909 | bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 910 | enum rport_event event) |
7725ccfd JH |
911 | { |
912 | bfa_trc(rport->fcs, rport->pwwn); | |
913 | bfa_trc(rport->fcs, rport->pid); | |
914 | bfa_trc(rport->fcs, event); | |
915 | ||
916 | switch (event) { | |
917 | case RPSM_EVENT_HCB_OFFLINE: | |
918 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 919 | if (bfa_fcs_lport_is_online(rport->port)) { |
72041ed8 KG |
920 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
921 | bfa_sm_set_state(rport, | |
922 | bfa_fcs_rport_sm_nsdisc_sending); | |
923 | rport->ns_retries = 0; | |
a36c61f9 | 924 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
72041ed8 KG |
925 | } else { |
926 | bfa_sm_set_state(rport, | |
927 | bfa_fcs_rport_sm_plogi_sending); | |
928 | rport->plogi_retries = 0; | |
929 | bfa_fcs_rport_send_plogi(rport, NULL); | |
930 | } | |
7725ccfd JH |
931 | } else { |
932 | rport->pid = 0; | |
933 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
934 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
935 | bfa_fcs_rport_timeout, rport, | |
936 | bfa_fcs_rport_del_timeout); | |
937 | } | |
938 | break; | |
939 | ||
940 | case RPSM_EVENT_DELETE: | |
941 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
942 | bfa_fcs_rport_free(rport); | |
943 | break; | |
944 | ||
945 | case RPSM_EVENT_SCN: | |
946 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 947 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
948 | /** |
949 | * Ignore, already offline. | |
950 | */ | |
951 | break; | |
952 | ||
953 | default: | |
e641de37 | 954 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
955 | } |
956 | } | |
957 | ||
958 | /** | |
a36c61f9 KG |
959 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
960 | * callback to send LOGO accept. | |
7725ccfd JH |
961 | */ |
962 | static void | |
963 | bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, | |
964 | enum rport_event event) | |
965 | { | |
966 | bfa_trc(rport->fcs, rport->pwwn); | |
967 | bfa_trc(rport->fcs, rport->pid); | |
968 | bfa_trc(rport->fcs, event); | |
969 | ||
970 | switch (event) { | |
971 | case RPSM_EVENT_HCB_OFFLINE: | |
972 | case RPSM_EVENT_ADDRESS_CHANGE: | |
4b5e759d JH |
973 | if (rport->pid && (rport->prlo == BFA_TRUE)) |
974 | bfa_fcs_rport_send_prlo_acc(rport); | |
975 | if (rport->pid && (rport->prlo == BFA_FALSE)) | |
7725ccfd JH |
976 | bfa_fcs_rport_send_logo_acc(rport); |
977 | /* | |
a36c61f9 KG |
978 | * If the lport is online and if the rport is not a well |
979 | * known address port, | |
980 | * we try to re-discover the r-port. | |
7725ccfd | 981 | */ |
a36c61f9 KG |
982 | if (bfa_fcs_lport_is_online(rport->port) && |
983 | (!BFA_FCS_PID_IS_WKA(rport->pid))) { | |
7725ccfd | 984 | bfa_sm_set_state(rport, |
a36c61f9 | 985 | bfa_fcs_rport_sm_nsdisc_sending); |
7725ccfd | 986 | rport->ns_retries = 0; |
a36c61f9 | 987 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
988 | } else { |
989 | /* | |
a36c61f9 KG |
990 | * if it is not a well known address, reset the |
991 | * pid to 0. | |
7725ccfd JH |
992 | */ |
993 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
994 | rport->pid = 0; | |
995 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
996 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
997 | bfa_fcs_rport_timeout, rport, | |
998 | bfa_fcs_rport_del_timeout); | |
999 | } | |
1000 | break; | |
1001 | ||
1002 | case RPSM_EVENT_DELETE: | |
1003 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
1004 | break; | |
1005 | ||
1006 | case RPSM_EVENT_LOGO_IMP: | |
1007 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
1008 | break; | |
1009 | ||
1010 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1011 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1012 | /** |
1013 | * Ignore - already processing a LOGO. | |
1014 | */ | |
1015 | break; | |
1016 | ||
1017 | default: | |
e641de37 | 1018 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1019 | } |
1020 | } | |
1021 | ||
1022 | /** | |
a36c61f9 KG |
1023 | * Rport is being deleted. FC-4s are offline. |
1024 | * Awaiting BFA rport offline | |
1025 | * callback to send LOGO. | |
7725ccfd JH |
1026 | */ |
1027 | static void | |
1028 | bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1029 | enum rport_event event) |
7725ccfd JH |
1030 | { |
1031 | bfa_trc(rport->fcs, rport->pwwn); | |
1032 | bfa_trc(rport->fcs, rport->pid); | |
1033 | bfa_trc(rport->fcs, event); | |
1034 | ||
1035 | switch (event) { | |
1036 | case RPSM_EVENT_HCB_OFFLINE: | |
1037 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); | |
1038 | bfa_fcs_rport_send_logo(rport, NULL); | |
1039 | break; | |
1040 | ||
1041 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1042 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1043 | case RPSM_EVENT_ADDRESS_CHANGE: |
1044 | break; | |
1045 | ||
1046 | default: | |
e641de37 | 1047 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1048 | } |
1049 | } | |
1050 | ||
1051 | /** | |
a36c61f9 | 1052 | * Rport is being deleted. FC-4s are offline. LOGO is being sent. |
7725ccfd JH |
1053 | */ |
1054 | static void | |
1055 | bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1056 | enum rport_event event) |
7725ccfd JH |
1057 | { |
1058 | bfa_trc(rport->fcs, rport->pwwn); | |
1059 | bfa_trc(rport->fcs, rport->pid); | |
1060 | bfa_trc(rport->fcs, event); | |
1061 | ||
1062 | switch (event) { | |
1063 | case RPSM_EVENT_FCXP_SENT: | |
a36c61f9 | 1064 | /* Once LOGO is sent, we donot wait for the response */ |
7725ccfd JH |
1065 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
1066 | bfa_fcs_rport_free(rport); | |
1067 | break; | |
1068 | ||
1069 | case RPSM_EVENT_SCN: | |
1070 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1071 | break; | |
1072 | ||
1073 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1074 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1075 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
1076 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1077 | bfa_fcs_rport_free(rport); | |
1078 | break; | |
1079 | ||
1080 | default: | |
e641de37 | 1081 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1082 | } |
1083 | } | |
1084 | ||
1085 | /** | |
a36c61f9 KG |
1086 | * Rport is offline. FC-4s are offline. BFA rport is offline. |
1087 | * Timer active to delete stale rport. | |
7725ccfd JH |
1088 | */ |
1089 | static void | |
1090 | bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
1091 | { | |
1092 | bfa_trc(rport->fcs, rport->pwwn); | |
1093 | bfa_trc(rport->fcs, rport->pid); | |
1094 | bfa_trc(rport->fcs, event); | |
1095 | ||
1096 | switch (event) { | |
1097 | case RPSM_EVENT_TIMEOUT: | |
1098 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1099 | bfa_fcs_rport_free(rport); | |
1100 | break; | |
1101 | ||
1102 | case RPSM_EVENT_SCN: | |
1103 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1104 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1105 | bfa_timer_stop(&rport->timer); | |
1106 | rport->ns_retries = 0; | |
a36c61f9 | 1107 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1108 | break; |
1109 | ||
1110 | case RPSM_EVENT_DELETE: | |
1111 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1112 | bfa_timer_stop(&rport->timer); | |
1113 | bfa_fcs_rport_free(rport); | |
1114 | break; | |
1115 | ||
1116 | case RPSM_EVENT_PLOGI_RCVD: | |
1117 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1118 | bfa_timer_stop(&rport->timer); | |
1119 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1120 | break; | |
1121 | ||
1122 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1123 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1124 | case RPSM_EVENT_LOGO_IMP: |
1125 | break; | |
1126 | ||
1127 | case RPSM_EVENT_PLOGI_COMP: | |
1128 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1129 | bfa_timer_stop(&rport->timer); | |
1130 | bfa_fcs_rport_hal_online(rport); | |
1131 | break; | |
1132 | ||
1133 | case RPSM_EVENT_PLOGI_SEND: | |
1134 | bfa_timer_stop(&rport->timer); | |
1135 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
1136 | rport->plogi_retries = 0; | |
1137 | bfa_fcs_rport_send_plogi(rport, NULL); | |
1138 | break; | |
1139 | ||
1140 | default: | |
e641de37 | 1141 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1142 | } |
1143 | } | |
1144 | ||
1145 | /** | |
a36c61f9 | 1146 | * Rport address has changed. Nameserver discovery request is being sent. |
7725ccfd JH |
1147 | */ |
1148 | static void | |
1149 | bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1150 | enum rport_event event) |
7725ccfd JH |
1151 | { |
1152 | bfa_trc(rport->fcs, rport->pwwn); | |
1153 | bfa_trc(rport->fcs, rport->pid); | |
1154 | bfa_trc(rport->fcs, event); | |
1155 | ||
1156 | switch (event) { | |
1157 | case RPSM_EVENT_FCXP_SENT: | |
1158 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); | |
1159 | break; | |
1160 | ||
1161 | case RPSM_EVENT_DELETE: | |
1162 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1163 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1164 | bfa_fcs_rport_free(rport); | |
1165 | break; | |
1166 | ||
1167 | case RPSM_EVENT_PLOGI_RCVD: | |
1168 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1169 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1170 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1171 | break; | |
1172 | ||
1173 | case RPSM_EVENT_SCN: | |
1174 | case RPSM_EVENT_LOGO_RCVD: | |
4b5e759d | 1175 | case RPSM_EVENT_PRLO_RCVD: |
7725ccfd JH |
1176 | case RPSM_EVENT_PLOGI_SEND: |
1177 | break; | |
1178 | ||
1179 | case RPSM_EVENT_ADDRESS_CHANGE: | |
a36c61f9 | 1180 | rport->ns_retries = 0; /* reset the retry count */ |
7725ccfd JH |
1181 | break; |
1182 | ||
1183 | case RPSM_EVENT_LOGO_IMP: | |
1184 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1185 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1186 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1187 | bfa_fcs_rport_timeout, rport, | |
1188 | bfa_fcs_rport_del_timeout); | |
1189 | break; | |
1190 | ||
1191 | case RPSM_EVENT_PLOGI_COMP: | |
1192 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1193 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1194 | bfa_fcs_rport_hal_online(rport); | |
1195 | break; | |
1196 | ||
1197 | default: | |
e641de37 | 1198 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1199 | } |
1200 | } | |
1201 | ||
1202 | /** | |
a36c61f9 | 1203 | * Nameserver discovery failed. Waiting for timeout to retry. |
7725ccfd JH |
1204 | */ |
1205 | static void | |
1206 | bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, | |
a36c61f9 | 1207 | enum rport_event event) |
7725ccfd JH |
1208 | { |
1209 | bfa_trc(rport->fcs, rport->pwwn); | |
1210 | bfa_trc(rport->fcs, rport->pid); | |
1211 | bfa_trc(rport->fcs, event); | |
1212 | ||
1213 | switch (event) { | |
1214 | case RPSM_EVENT_TIMEOUT: | |
1215 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
a36c61f9 | 1216 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1217 | break; |
1218 | ||
1219 | case RPSM_EVENT_SCN: | |
1220 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1221 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1222 | bfa_timer_stop(&rport->timer); | |
1223 | rport->ns_retries = 0; | |
a36c61f9 | 1224 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1225 | break; |
1226 | ||
1227 | case RPSM_EVENT_DELETE: | |
1228 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1229 | bfa_timer_stop(&rport->timer); | |
1230 | bfa_fcs_rport_free(rport); | |
1231 | break; | |
1232 | ||
1233 | case RPSM_EVENT_PLOGI_RCVD: | |
1234 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1235 | bfa_timer_stop(&rport->timer); | |
1236 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1237 | break; | |
1238 | ||
1239 | case RPSM_EVENT_LOGO_IMP: | |
1240 | rport->pid = 0; | |
1241 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1242 | bfa_timer_stop(&rport->timer); | |
1243 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1244 | bfa_fcs_rport_timeout, rport, | |
1245 | bfa_fcs_rport_del_timeout); | |
1246 | break; | |
1247 | ||
1248 | case RPSM_EVENT_LOGO_RCVD: | |
1249 | bfa_fcs_rport_send_logo_acc(rport); | |
1250 | break; | |
4b5e759d JH |
1251 | case RPSM_EVENT_PRLO_RCVD: |
1252 | bfa_fcs_rport_send_prlo_acc(rport); | |
1253 | break; | |
1254 | ||
7725ccfd JH |
1255 | case RPSM_EVENT_PLOGI_COMP: |
1256 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1257 | bfa_timer_stop(&rport->timer); | |
1258 | bfa_fcs_rport_hal_online(rport); | |
1259 | break; | |
1260 | ||
1261 | default: | |
e641de37 | 1262 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1263 | } |
1264 | } | |
1265 | ||
1266 | /** | |
a36c61f9 | 1267 | * Rport address has changed. Nameserver discovery request is sent. |
7725ccfd JH |
1268 | */ |
1269 | static void | |
1270 | bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
1271 | enum rport_event event) | |
1272 | { | |
1273 | bfa_trc(rport->fcs, rport->pwwn); | |
1274 | bfa_trc(rport->fcs, rport->pid); | |
1275 | bfa_trc(rport->fcs, event); | |
1276 | ||
1277 | switch (event) { | |
1278 | case RPSM_EVENT_ACCEPTED: | |
1279 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1280 | if (rport->pid) { | |
1281 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
1282 | bfa_fcs_rport_send_plogi(rport, NULL); | |
1283 | } else { | |
1284 | bfa_sm_set_state(rport, | |
a36c61f9 | 1285 | bfa_fcs_rport_sm_nsdisc_sending); |
7725ccfd | 1286 | rport->ns_retries = 0; |
a36c61f9 | 1287 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
7725ccfd JH |
1288 | } |
1289 | break; | |
1290 | ||
1291 | case RPSM_EVENT_FAILED: | |
1292 | rport->ns_retries++; | |
1293 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
1294 | bfa_sm_set_state(rport, | |
a36c61f9 KG |
1295 | bfa_fcs_rport_sm_nsdisc_sending); |
1296 | bfa_fcs_rport_send_nsdisc(rport, NULL); | |
7725ccfd JH |
1297 | } else { |
1298 | rport->pid = 0; | |
1299 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1300 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1301 | bfa_fcs_rport_timeout, rport, | |
1302 | bfa_fcs_rport_del_timeout); | |
1303 | }; | |
1304 | break; | |
1305 | ||
1306 | case RPSM_EVENT_DELETE: | |
1307 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1308 | bfa_fcxp_discard(rport->fcxp); | |
1309 | bfa_fcs_rport_free(rport); | |
1310 | break; | |
1311 | ||
1312 | case RPSM_EVENT_PLOGI_RCVD: | |
1313 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1314 | bfa_fcxp_discard(rport->fcxp); | |
1315 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1316 | break; | |
1317 | ||
1318 | case RPSM_EVENT_LOGO_IMP: | |
1319 | rport->pid = 0; | |
1320 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1321 | bfa_fcxp_discard(rport->fcxp); | |
1322 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1323 | bfa_fcs_rport_timeout, rport, | |
1324 | bfa_fcs_rport_del_timeout); | |
1325 | break; | |
1326 | ||
a36c61f9 | 1327 | |
4b5e759d JH |
1328 | case RPSM_EVENT_PRLO_RCVD: |
1329 | bfa_fcs_rport_send_prlo_acc(rport); | |
1330 | break; | |
7725ccfd JH |
1331 | case RPSM_EVENT_SCN: |
1332 | /** | |
1333 | * ignore, wait for NS query response | |
1334 | */ | |
1335 | break; | |
1336 | ||
1337 | case RPSM_EVENT_LOGO_RCVD: | |
1338 | /** | |
1339 | * Not logged-in yet. Accept LOGO. | |
1340 | */ | |
1341 | bfa_fcs_rport_send_logo_acc(rport); | |
1342 | break; | |
1343 | ||
1344 | case RPSM_EVENT_PLOGI_COMP: | |
1345 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1346 | bfa_fcxp_discard(rport->fcxp); | |
1347 | bfa_fcs_rport_hal_online(rport); | |
1348 | break; | |
1349 | ||
1350 | default: | |
e641de37 | 1351 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1352 | } |
1353 | } | |
1354 | ||
1355 | ||
1356 | ||
1357 | /** | |
1358 | * fcs_rport_private FCS RPORT provate functions | |
1359 | */ | |
1360 | ||
1361 | static void | |
1362 | bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1363 | { | |
1364 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1365 | struct bfa_fcs_lport_s *port = rport->port; |
1366 | struct fchs_s fchs; | |
1367 | int len; | |
7725ccfd JH |
1368 | struct bfa_fcxp_s *fcxp; |
1369 | ||
1370 | bfa_trc(rport->fcs, rport->pwwn); | |
1371 | ||
1372 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1373 | if (!fcxp) { | |
a36c61f9 KG |
1374 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1375 | bfa_fcs_rport_send_plogi, rport); | |
7725ccfd JH |
1376 | return; |
1377 | } | |
1378 | rport->fcxp = fcxp; | |
1379 | ||
1380 | len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
a36c61f9 KG |
1381 | bfa_fcs_lport_get_fcid(port), 0, |
1382 | port->port_cfg.pwwn, port->port_cfg.nwwn, | |
1383 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); | |
7725ccfd JH |
1384 | |
1385 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1386 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, |
1387 | (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV); | |
7725ccfd JH |
1388 | |
1389 | rport->stats.plogis++; | |
1390 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1391 | } | |
1392 | ||
1393 | static void | |
1394 | bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
a36c61f9 KG |
1395 | bfa_status_t req_status, u32 rsp_len, |
1396 | u32 resid_len, struct fchs_s *rsp_fchs) | |
7725ccfd | 1397 | { |
a36c61f9 | 1398 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
1399 | struct fc_logi_s *plogi_rsp; |
1400 | struct fc_ls_rjt_s *ls_rjt; | |
1401 | struct bfa_fcs_rport_s *twin; | |
a36c61f9 | 1402 | struct list_head *qe; |
7725ccfd JH |
1403 | |
1404 | bfa_trc(rport->fcs, rport->pwwn); | |
1405 | ||
1406 | /* | |
1407 | * Sanity Checks | |
1408 | */ | |
1409 | if (req_status != BFA_STATUS_OK) { | |
1410 | bfa_trc(rport->fcs, req_status); | |
1411 | rport->stats.plogi_failed++; | |
1412 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1413 | return; | |
1414 | } | |
1415 | ||
1416 | plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1417 | ||
1418 | /** | |
1419 | * Check for failure first. | |
1420 | */ | |
1421 | if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { | |
1422 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1423 | ||
1424 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
1425 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
1426 | ||
a36c61f9 KG |
1427 | if ((ls_rjt->reason_code == FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD) && |
1428 | (ls_rjt->reason_code_expl == FC_LS_RJT_EXP_INSUFF_RES)) { | |
1429 | rport->stats.rjt_insuff_res++; | |
1430 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RETRY); | |
1431 | return; | |
1432 | } | |
1433 | ||
7725ccfd JH |
1434 | rport->stats.plogi_rejects++; |
1435 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1436 | return; | |
1437 | } | |
1438 | ||
1439 | /** | |
1440 | * PLOGI is complete. Make sure this device is not one of the known | |
1441 | * device with a new FC port address. | |
1442 | */ | |
1443 | list_for_each(qe, &rport->port->rport_q) { | |
a36c61f9 | 1444 | twin = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
1445 | if (twin == rport) |
1446 | continue; | |
1447 | if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { | |
1448 | bfa_trc(rport->fcs, twin->pid); | |
1449 | bfa_trc(rport->fcs, rport->pid); | |
1450 | ||
a36c61f9 KG |
1451 | /* Update plogi stats in twin */ |
1452 | twin->stats.plogis += rport->stats.plogis; | |
1453 | twin->stats.plogi_rejects += | |
1454 | rport->stats.plogi_rejects; | |
1455 | twin->stats.plogi_timeouts += | |
1456 | rport->stats.plogi_timeouts; | |
1457 | twin->stats.plogi_failed += | |
1458 | rport->stats.plogi_failed; | |
1459 | twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; | |
7725ccfd JH |
1460 | twin->stats.plogi_accs++; |
1461 | ||
1462 | bfa_fcs_rport_delete(rport); | |
1463 | ||
1464 | bfa_fcs_rport_update(twin, plogi_rsp); | |
1465 | twin->pid = rsp_fchs->s_id; | |
1466 | bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); | |
1467 | return; | |
1468 | } | |
1469 | } | |
1470 | ||
1471 | /** | |
1472 | * Normal login path -- no evil twins. | |
1473 | */ | |
1474 | rport->stats.plogi_accs++; | |
1475 | bfa_fcs_rport_update(rport, plogi_rsp); | |
1476 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1477 | } | |
1478 | ||
1479 | static void | |
1480 | bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1481 | { | |
1482 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1483 | struct bfa_fcs_lport_s *port = rport->port; |
1484 | struct fchs_s fchs; | |
1485 | int len; | |
7725ccfd JH |
1486 | struct bfa_fcxp_s *fcxp; |
1487 | ||
1488 | bfa_trc(rport->fcs, rport->pwwn); | |
1489 | bfa_trc(rport->fcs, rport->reply_oxid); | |
1490 | ||
1491 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1492 | if (!fcxp) { | |
a36c61f9 KG |
1493 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1494 | bfa_fcs_rport_send_plogiacc, rport); | |
7725ccfd JH |
1495 | return; |
1496 | } | |
1497 | rport->fcxp = fcxp; | |
1498 | ||
a36c61f9 KG |
1499 | len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1500 | rport->pid, bfa_fcs_lport_get_fcid(port), | |
1501 | rport->reply_oxid, port->port_cfg.pwwn, | |
1502 | port->port_cfg.nwwn, | |
1c8a4c37 | 1503 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); |
7725ccfd JH |
1504 | |
1505 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1506 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1507 | |
1508 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1509 | } | |
1510 | ||
1511 | static void | |
1512 | bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1513 | { | |
1514 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1515 | struct bfa_fcs_lport_s *port = rport->port; |
1516 | struct fchs_s fchs; | |
1517 | int len; | |
7725ccfd JH |
1518 | struct bfa_fcxp_s *fcxp; |
1519 | ||
1520 | bfa_trc(rport->fcs, rport->pwwn); | |
1521 | ||
1522 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1523 | if (!fcxp) { | |
a36c61f9 KG |
1524 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1525 | bfa_fcs_rport_send_adisc, rport); | |
7725ccfd JH |
1526 | return; |
1527 | } | |
1528 | rport->fcxp = fcxp; | |
1529 | ||
1530 | len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
a36c61f9 KG |
1531 | bfa_fcs_lport_get_fcid(port), 0, |
1532 | port->port_cfg.pwwn, port->port_cfg.nwwn); | |
7725ccfd JH |
1533 | |
1534 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1535 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, |
1536 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); | |
7725ccfd JH |
1537 | |
1538 | rport->stats.adisc_sent++; | |
1539 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1540 | } | |
1541 | ||
1542 | static void | |
1543 | bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
a36c61f9 KG |
1544 | bfa_status_t req_status, u32 rsp_len, |
1545 | u32 resid_len, struct fchs_s *rsp_fchs) | |
7725ccfd | 1546 | { |
a36c61f9 KG |
1547 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
1548 | void *pld = bfa_fcxp_get_rspbuf(fcxp); | |
1549 | struct fc_ls_rjt_s *ls_rjt; | |
7725ccfd JH |
1550 | |
1551 | if (req_status != BFA_STATUS_OK) { | |
1552 | bfa_trc(rport->fcs, req_status); | |
1553 | rport->stats.adisc_failed++; | |
1554 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1555 | return; | |
1556 | } | |
1557 | ||
1558 | if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, | |
a36c61f9 | 1559 | rport->nwwn) == FC_PARSE_OK) { |
7725ccfd JH |
1560 | rport->stats.adisc_accs++; |
1561 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1562 | return; | |
1563 | } | |
1564 | ||
1565 | rport->stats.adisc_rejects++; | |
1566 | ls_rjt = pld; | |
1567 | bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); | |
1568 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
1569 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
1570 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1571 | } | |
1572 | ||
1573 | static void | |
a36c61f9 | 1574 | bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
7725ccfd JH |
1575 | { |
1576 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1577 | struct bfa_fcs_lport_s *port = rport->port; |
1578 | struct fchs_s fchs; | |
7725ccfd | 1579 | struct bfa_fcxp_s *fcxp; |
a36c61f9 KG |
1580 | int len; |
1581 | bfa_cb_fcxp_send_t cbfn; | |
7725ccfd JH |
1582 | |
1583 | bfa_trc(rport->fcs, rport->pid); | |
1584 | ||
1585 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1586 | if (!fcxp) { | |
a36c61f9 KG |
1587 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1588 | bfa_fcs_rport_send_nsdisc, rport); | |
7725ccfd JH |
1589 | return; |
1590 | } | |
1591 | rport->fcxp = fcxp; | |
1592 | ||
a36c61f9 KG |
1593 | if (rport->pwwn) { |
1594 | len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1595 | bfa_fcs_lport_get_fcid(port), 0, rport->pwwn); | |
1596 | cbfn = bfa_fcs_rport_gidpn_response; | |
1597 | } else { | |
1598 | len = fc_gpnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1599 | bfa_fcs_lport_get_fcid(port), 0, rport->pid); | |
1600 | cbfn = bfa_fcs_rport_gpnid_response; | |
1601 | } | |
7725ccfd JH |
1602 | |
1603 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1604 | FC_CLASS_3, len, &fchs, cbfn, |
1605 | (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV); | |
7725ccfd JH |
1606 | |
1607 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1608 | } | |
1609 | ||
1610 | static void | |
1611 | bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
a36c61f9 KG |
1612 | bfa_status_t req_status, u32 rsp_len, |
1613 | u32 resid_len, struct fchs_s *rsp_fchs) | |
7725ccfd | 1614 | { |
a36c61f9 KG |
1615 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
1616 | struct ct_hdr_s *cthdr; | |
7725ccfd | 1617 | struct fcgs_gidpn_resp_s *gidpn_rsp; |
a36c61f9 KG |
1618 | struct bfa_fcs_rport_s *twin; |
1619 | struct list_head *qe; | |
7725ccfd JH |
1620 | |
1621 | bfa_trc(rport->fcs, rport->pwwn); | |
1622 | ||
1623 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
ba816ea8 | 1624 | cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); |
7725ccfd JH |
1625 | |
1626 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
a36c61f9 | 1627 | /* Check if the pid is the same as before. */ |
7725ccfd JH |
1628 | gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); |
1629 | ||
1630 | if (gidpn_rsp->dap == rport->pid) { | |
a36c61f9 | 1631 | /* Device is online */ |
7725ccfd JH |
1632 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
1633 | } else { | |
1634 | /* | |
a36c61f9 KG |
1635 | * Device's PID has changed. We need to cleanup |
1636 | * and re-login. If there is another device with | |
1637 | * the the newly discovered pid, send an scn notice | |
1638 | * so that its new pid can be discovered. | |
7725ccfd JH |
1639 | */ |
1640 | list_for_each(qe, &rport->port->rport_q) { | |
a36c61f9 | 1641 | twin = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
1642 | if (twin == rport) |
1643 | continue; | |
1644 | if (gidpn_rsp->dap == twin->pid) { | |
1645 | bfa_trc(rport->fcs, twin->pid); | |
1646 | bfa_trc(rport->fcs, rport->pid); | |
1647 | ||
1648 | twin->pid = 0; | |
1649 | bfa_sm_send_event(twin, | |
a36c61f9 | 1650 | RPSM_EVENT_ADDRESS_CHANGE); |
7725ccfd JH |
1651 | } |
1652 | } | |
1653 | rport->pid = gidpn_rsp->dap; | |
1654 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); | |
1655 | } | |
1656 | return; | |
1657 | } | |
1658 | ||
1659 | /* | |
1660 | * Reject Response | |
1661 | */ | |
1662 | switch (cthdr->reason_code) { | |
1663 | case CT_RSN_LOGICAL_BUSY: | |
1664 | /* | |
1665 | * Need to retry | |
1666 | */ | |
1667 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); | |
1668 | break; | |
1669 | ||
1670 | case CT_RSN_UNABLE_TO_PERF: | |
1671 | /* | |
1672 | * device doesn't exist : Start timer to cleanup this later. | |
1673 | */ | |
1674 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1675 | break; | |
1676 | ||
1677 | default: | |
1678 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1679 | break; | |
1680 | } | |
1681 | } | |
1682 | ||
a36c61f9 KG |
1683 | static void |
1684 | bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1685 | bfa_status_t req_status, u32 rsp_len, | |
1686 | u32 resid_len, struct fchs_s *rsp_fchs) | |
1687 | { | |
1688 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; | |
1689 | struct ct_hdr_s *cthdr; | |
1690 | ||
1691 | bfa_trc(rport->fcs, rport->pwwn); | |
1692 | ||
1693 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
ba816ea8 | 1694 | cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); |
a36c61f9 KG |
1695 | |
1696 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
1697 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1698 | return; | |
1699 | } | |
1700 | ||
1701 | /* | |
1702 | * Reject Response | |
1703 | */ | |
1704 | switch (cthdr->reason_code) { | |
1705 | case CT_RSN_LOGICAL_BUSY: | |
1706 | /* | |
1707 | * Need to retry | |
1708 | */ | |
1709 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); | |
1710 | break; | |
1711 | ||
1712 | case CT_RSN_UNABLE_TO_PERF: | |
1713 | /* | |
1714 | * device doesn't exist : Start timer to cleanup this later. | |
1715 | */ | |
1716 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1717 | break; | |
1718 | ||
1719 | default: | |
1720 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1721 | break; | |
1722 | } | |
1723 | } | |
1724 | ||
7725ccfd | 1725 | /** |
a36c61f9 | 1726 | * Called to send a logout to the rport. |
7725ccfd JH |
1727 | */ |
1728 | static void | |
1729 | bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1730 | { | |
1731 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1732 | struct bfa_fcs_lport_s *port; |
1733 | struct fchs_s fchs; | |
7725ccfd | 1734 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 1735 | u16 len; |
7725ccfd JH |
1736 | |
1737 | bfa_trc(rport->fcs, rport->pid); | |
1738 | ||
1739 | port = rport->port; | |
1740 | ||
1741 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1742 | if (!fcxp) { | |
a36c61f9 KG |
1743 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
1744 | bfa_fcs_rport_send_logo, rport); | |
7725ccfd JH |
1745 | return; |
1746 | } | |
1747 | rport->fcxp = fcxp; | |
1748 | ||
1749 | len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
a36c61f9 KG |
1750 | bfa_fcs_lport_get_fcid(port), 0, |
1751 | bfa_fcs_lport_get_pwwn(port)); | |
7725ccfd JH |
1752 | |
1753 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 KG |
1754 | FC_CLASS_3, len, &fchs, NULL, |
1755 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); | |
7725ccfd JH |
1756 | |
1757 | rport->stats.logos++; | |
1758 | bfa_fcxp_discard(rport->fcxp); | |
1759 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1760 | } | |
1761 | ||
1762 | /** | |
a36c61f9 | 1763 | * Send ACC for a LOGO received. |
7725ccfd JH |
1764 | */ |
1765 | static void | |
1766 | bfa_fcs_rport_send_logo_acc(void *rport_cbarg) | |
1767 | { | |
1768 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
a36c61f9 KG |
1769 | struct bfa_fcs_lport_s *port; |
1770 | struct fchs_s fchs; | |
7725ccfd | 1771 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 1772 | u16 len; |
7725ccfd JH |
1773 | |
1774 | bfa_trc(rport->fcs, rport->pid); | |
1775 | ||
1776 | port = rport->port; | |
1777 | ||
1778 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1779 | if (!fcxp) | |
1780 | return; | |
1781 | ||
1782 | rport->stats.logo_rcvd++; | |
a36c61f9 KG |
1783 | len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1784 | rport->pid, bfa_fcs_lport_get_fcid(port), | |
1785 | rport->reply_oxid); | |
7725ccfd JH |
1786 | |
1787 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1788 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1789 | } |
1790 | ||
1791 | /** | |
a36c61f9 KG |
1792 | * brief |
1793 | * This routine will be called by bfa_timer on timer timeouts. | |
7725ccfd | 1794 | * |
a36c61f9 KG |
1795 | * param[in] rport - pointer to bfa_fcs_lport_ns_t. |
1796 | * param[out] rport_status - pointer to return vport status in | |
7725ccfd | 1797 | * |
a36c61f9 KG |
1798 | * return |
1799 | * void | |
7725ccfd | 1800 | * |
a36c61f9 | 1801 | * Special Considerations: |
7725ccfd | 1802 | * |
a36c61f9 | 1803 | * note |
7725ccfd JH |
1804 | */ |
1805 | static void | |
1806 | bfa_fcs_rport_timeout(void *arg) | |
1807 | { | |
a36c61f9 | 1808 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) arg; |
7725ccfd JH |
1809 | |
1810 | rport->stats.plogi_timeouts++; | |
a36c61f9 | 1811 | bfa_stats(rport->port, rport_plogi_timeouts); |
7725ccfd JH |
1812 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
1813 | } | |
1814 | ||
1815 | static void | |
1816 | bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, | |
1817 | struct fchs_s *rx_fchs, u16 len) | |
1818 | { | |
1819 | struct bfa_fcxp_s *fcxp; | |
a36c61f9 KG |
1820 | struct fchs_s fchs; |
1821 | struct bfa_fcs_lport_s *port = rport->port; | |
1822 | struct fc_prli_s *prli; | |
7725ccfd JH |
1823 | |
1824 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1825 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1826 | ||
1827 | rport->stats.prli_rcvd++; | |
1828 | ||
7725ccfd | 1829 | /* |
a36c61f9 | 1830 | * We are in Initiator Mode |
7725ccfd JH |
1831 | */ |
1832 | prli = (struct fc_prli_s *) (rx_fchs + 1); | |
1833 | ||
a36c61f9 | 1834 | if (prli->parampage.servparams.target) { |
7725ccfd | 1835 | /* |
a36c61f9 KG |
1836 | * PRLI from a target ? |
1837 | * Send the Acc. | |
1838 | * PRLI sent by us will be used to transition the IT nexus, | |
1839 | * once the response is received from the target. | |
7725ccfd JH |
1840 | */ |
1841 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1842 | rport->scsi_function = BFA_RPORT_TARGET; | |
a36c61f9 KG |
1843 | } else { |
1844 | bfa_trc(rport->fcs, prli->parampage.type); | |
1845 | rport->scsi_function = BFA_RPORT_INITIATOR; | |
1846 | bfa_fcs_itnim_is_initiator(rport->itnim); | |
7725ccfd JH |
1847 | } |
1848 | ||
1849 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1850 | if (!fcxp) | |
1851 | return; | |
1852 | ||
a36c61f9 KG |
1853 | len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1854 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
1855 | rx_fchs->ox_id, port->port_cfg.roles); | |
7725ccfd JH |
1856 | |
1857 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1858 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1859 | } |
1860 | ||
1861 | static void | |
1862 | bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, | |
1863 | struct fchs_s *rx_fchs, u16 len) | |
1864 | { | |
1865 | struct bfa_fcxp_s *fcxp; | |
a36c61f9 KG |
1866 | struct fchs_s fchs; |
1867 | struct bfa_fcs_lport_s *port = rport->port; | |
7725ccfd | 1868 | struct fc_rpsc_speed_info_s speeds; |
a36c61f9 | 1869 | struct bfa_port_attr_s pport_attr; |
7725ccfd JH |
1870 | |
1871 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1872 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1873 | ||
1874 | rport->stats.rpsc_rcvd++; | |
1875 | speeds.port_speed_cap = | |
1876 | RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | | |
1877 | RPSC_SPEED_CAP_8G; | |
1878 | ||
1879 | /* | |
1880 | * get curent speed from pport attributes from BFA | |
1881 | */ | |
1c8a4c37 | 1882 | bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); |
7725ccfd JH |
1883 | |
1884 | speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); | |
1885 | ||
1886 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1887 | if (!fcxp) | |
1888 | return; | |
1889 | ||
a36c61f9 KG |
1890 | len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
1891 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
1892 | rx_fchs->ox_id, &speeds); | |
7725ccfd JH |
1893 | |
1894 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
a36c61f9 | 1895 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
7725ccfd JH |
1896 | } |
1897 | ||
1898 | static void | |
1899 | bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, | |
1900 | struct fchs_s *rx_fchs, u16 len) | |
1901 | { | |
1902 | struct bfa_fcxp_s *fcxp; | |
a36c61f9 KG |
1903 | struct fchs_s fchs; |
1904 | struct bfa_fcs_lport_s *port = rport->port; | |
1905 | struct fc_adisc_s *adisc; | |
7725ccfd JH |
1906 | |
1907 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1908 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1909 | ||
1910 | rport->stats.adisc_rcvd++; | |
1911 | ||
7725ccfd JH |
1912 | adisc = (struct fc_adisc_s *) (rx_fchs + 1); |
1913 | ||
1914 | /* | |
a36c61f9 KG |
1915 | * Accept if the itnim for this rport is online. |
1916 | * Else reject the ADISC. | |
7725ccfd JH |
1917 | */ |
1918 | if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { | |
1919 | ||
1920 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1921 | if (!fcxp) | |
1922 | return; | |
1923 | ||
1924 | len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
a36c61f9 KG |
1925 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
1926 | rx_fchs->ox_id, port->port_cfg.pwwn, | |
1927 | port->port_cfg.nwwn); | |
7725ccfd JH |
1928 | |
1929 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, | |
a36c61f9 KG |
1930 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, |
1931 | FC_MAX_PDUSZ, 0); | |
7725ccfd JH |
1932 | } else { |
1933 | rport->stats.adisc_rejected++; | |
1934 | bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, | |
1935 | FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, | |
1936 | FC_LS_RJT_EXP_LOGIN_REQUIRED); | |
1937 | } | |
7725ccfd JH |
1938 | } |
1939 | ||
1940 | static void | |
1941 | bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) | |
1942 | { | |
a36c61f9 | 1943 | struct bfa_fcs_lport_s *port = rport->port; |
7725ccfd JH |
1944 | struct bfa_rport_info_s rport_info; |
1945 | ||
1946 | rport_info.pid = rport->pid; | |
1947 | rport_info.local_pid = port->pid; | |
1948 | rport_info.lp_tag = port->lp_tag; | |
1949 | rport_info.vf_id = port->fabric->vf_id; | |
1950 | rport_info.vf_en = port->fabric->is_vf; | |
1951 | rport_info.fc_class = rport->fc_cos; | |
1952 | rport_info.cisc = rport->cisc; | |
1953 | rport_info.max_frmsz = rport->maxfrsize; | |
1954 | bfa_rport_online(rport->bfa_rport, &rport_info); | |
1955 | } | |
1956 | ||
7725ccfd | 1957 | static struct bfa_fcs_rport_s * |
a36c61f9 | 1958 | bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) |
7725ccfd | 1959 | { |
a36c61f9 | 1960 | struct bfa_fcs_s *fcs = port->fcs; |
7725ccfd | 1961 | struct bfa_fcs_rport_s *rport; |
a36c61f9 | 1962 | struct bfad_rport_s *rport_drv; |
7725ccfd JH |
1963 | |
1964 | /** | |
1965 | * allocate rport | |
1966 | */ | |
1967 | if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) | |
a36c61f9 | 1968 | != BFA_STATUS_OK) { |
7725ccfd JH |
1969 | bfa_trc(fcs, rpid); |
1970 | return NULL; | |
1971 | } | |
1972 | ||
1973 | /* | |
1974 | * Initialize r-port | |
1975 | */ | |
1976 | rport->port = port; | |
1977 | rport->fcs = fcs; | |
1978 | rport->rp_drv = rport_drv; | |
1979 | rport->pid = rpid; | |
1980 | rport->pwwn = pwwn; | |
1981 | ||
1982 | /** | |
1983 | * allocate BFA rport | |
1984 | */ | |
1985 | rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); | |
1986 | if (!rport->bfa_rport) { | |
1987 | bfa_trc(fcs, rpid); | |
1988 | kfree(rport_drv); | |
1989 | return NULL; | |
1990 | } | |
1991 | ||
1992 | /** | |
1993 | * allocate FC-4s | |
1994 | */ | |
a36c61f9 | 1995 | bfa_assert(bfa_fcs_lport_is_initiator(port)); |
7725ccfd | 1996 | |
a36c61f9 | 1997 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd JH |
1998 | rport->itnim = bfa_fcs_itnim_create(rport); |
1999 | if (!rport->itnim) { | |
2000 | bfa_trc(fcs, rpid); | |
2001 | bfa_rport_delete(rport->bfa_rport); | |
2002 | kfree(rport_drv); | |
2003 | return NULL; | |
2004 | } | |
2005 | } | |
2006 | ||
a36c61f9 | 2007 | bfa_fcs_lport_add_rport(port, rport); |
7725ccfd JH |
2008 | |
2009 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
2010 | ||
a36c61f9 | 2011 | /* Initialize the Rport Features(RPF) Sub Module */ |
7725ccfd JH |
2012 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
2013 | bfa_fcs_rpf_init(rport); | |
2014 | ||
2015 | return rport; | |
2016 | } | |
2017 | ||
2018 | ||
2019 | static void | |
2020 | bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) | |
2021 | { | |
a36c61f9 | 2022 | struct bfa_fcs_lport_s *port = rport->port; |
7725ccfd JH |
2023 | |
2024 | /** | |
2025 | * - delete FC-4s | |
2026 | * - delete BFA rport | |
2027 | * - remove from queue of rports | |
2028 | */ | |
a36c61f9 | 2029 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd | 2030 | bfa_fcs_itnim_delete(rport->itnim); |
a36c61f9 KG |
2031 | if (rport->pid != 0 && !BFA_FCS_PID_IS_WKA(rport->pid)) |
2032 | bfa_fcs_rpf_rport_offline(rport); | |
2033 | } | |
7725ccfd JH |
2034 | |
2035 | bfa_rport_delete(rport->bfa_rport); | |
a36c61f9 | 2036 | bfa_fcs_lport_del_rport(port, rport); |
7725ccfd JH |
2037 | kfree(rport->rp_drv); |
2038 | } | |
2039 | ||
7725ccfd JH |
2040 | static void |
2041 | bfa_fcs_rport_online_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.onlines++; | |
2049 | ||
a36c61f9 | 2050 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd JH |
2051 | bfa_fcs_itnim_rport_online(rport->itnim); |
2052 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2053 | bfa_fcs_rpf_rport_online(rport); | |
2054 | }; | |
2055 | ||
a36c61f9 KG |
2056 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
2057 | wwn2str(rpwwn_buf, rport->pwwn); | |
7725ccfd | 2058 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
a36c61f9 KG |
2059 | BFA_LOG(KERN_INFO, bfad, log_level, |
2060 | "Remote port (WWN = %s) online for logical port (WWN = %s)\n", | |
2061 | rpwwn_buf, lpwwn_buf); | |
7725ccfd JH |
2062 | } |
2063 | ||
2064 | static void | |
2065 | bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) | |
2066 | { | |
a36c61f9 KG |
2067 | struct bfa_fcs_lport_s *port = rport->port; |
2068 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; | |
2069 | char lpwwn_buf[BFA_STRING_32]; | |
2070 | char rpwwn_buf[BFA_STRING_32]; | |
7725ccfd JH |
2071 | |
2072 | rport->stats.offlines++; | |
2073 | ||
a36c61f9 KG |
2074 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
2075 | wwn2str(rpwwn_buf, rport->pwwn); | |
7725ccfd | 2076 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) { |
a36c61f9 KG |
2077 | if (bfa_fcs_lport_is_online(rport->port) == BFA_TRUE) |
2078 | BFA_LOG(KERN_ERR, bfad, log_level, | |
2079 | "Remote port (WWN = %s) connectivity lost for " | |
2080 | "logical port (WWN = %s)\n", | |
2081 | rpwwn_buf, lpwwn_buf); | |
2082 | else | |
2083 | BFA_LOG(KERN_INFO, bfad, log_level, | |
2084 | "Remote port (WWN = %s) offlined by " | |
2085 | "logical port (WWN = %s)\n", | |
2086 | rpwwn_buf, lpwwn_buf); | |
7725ccfd JH |
2087 | } |
2088 | ||
a36c61f9 | 2089 | if (bfa_fcs_lport_is_initiator(port)) { |
7725ccfd JH |
2090 | bfa_fcs_itnim_rport_offline(rport->itnim); |
2091 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2092 | bfa_fcs_rpf_rport_offline(rport); | |
2093 | } | |
7725ccfd JH |
2094 | } |
2095 | ||
2096 | /** | |
2097 | * Update rport parameters from PLOGI or PLOGI accept. | |
2098 | */ | |
2099 | static void | |
2100 | bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) | |
2101 | { | |
a36c61f9 | 2102 | bfa_fcs_lport_t *port = rport->port; |
7725ccfd JH |
2103 | |
2104 | /** | |
2105 | * - port name | |
2106 | * - node name | |
2107 | */ | |
2108 | rport->pwwn = plogi->port_name; | |
2109 | rport->nwwn = plogi->node_name; | |
2110 | ||
2111 | /** | |
2112 | * - class of service | |
2113 | */ | |
2114 | rport->fc_cos = 0; | |
2115 | if (plogi->class3.class_valid) | |
2116 | rport->fc_cos = FC_CLASS_3; | |
2117 | ||
2118 | if (plogi->class2.class_valid) | |
2119 | rport->fc_cos |= FC_CLASS_2; | |
2120 | ||
2121 | /** | |
2122 | * - CISC | |
2123 | * - MAX receive frame size | |
2124 | */ | |
2125 | rport->cisc = plogi->csp.cisc; | |
ba816ea8 | 2126 | rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz); |
7725ccfd | 2127 | |
ba816ea8 | 2128 | bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); |
7725ccfd JH |
2129 | bfa_trc(port->fcs, port->fabric->bb_credit); |
2130 | /** | |
2131 | * Direct Attach P2P mode : | |
2132 | * This is to handle a bug (233476) in IBM targets in Direct Attach | |
a36c61f9 KG |
2133 | * Mode. Basically, in FLOGI Accept the target would have |
2134 | * erroneously set the BB Credit to the value used in the FLOGI | |
2135 | * sent by the HBA. It uses the correct value (its own BB credit) | |
2136 | * in PLOGI. | |
7725ccfd | 2137 | */ |
a36c61f9 | 2138 | if ((!bfa_fcs_fabric_is_switched(port->fabric)) && |
ba816ea8 | 2139 | (be16_to_cpu(plogi->csp.bbcred) < port->fabric->bb_credit)) { |
7725ccfd | 2140 | |
ba816ea8 | 2141 | bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); |
7725ccfd JH |
2142 | bfa_trc(port->fcs, port->fabric->bb_credit); |
2143 | ||
ba816ea8 | 2144 | port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred); |
1c8a4c37 | 2145 | bfa_fcport_set_tx_bbcredit(port->fcs->bfa, |
7725ccfd JH |
2146 | port->fabric->bb_credit); |
2147 | } | |
2148 | ||
2149 | } | |
2150 | ||
2151 | /** | |
a36c61f9 | 2152 | * Called to handle LOGO received from an existing remote port. |
7725ccfd JH |
2153 | */ |
2154 | static void | |
2155 | bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) | |
2156 | { | |
2157 | rport->reply_oxid = fchs->ox_id; | |
2158 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2159 | ||
4b5e759d | 2160 | rport->prlo = BFA_FALSE; |
7725ccfd JH |
2161 | rport->stats.logo_rcvd++; |
2162 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); | |
2163 | } | |
2164 | ||
2165 | ||
2166 | ||
2167 | /** | |
2168 | * fcs_rport_public FCS rport public interfaces | |
2169 | */ | |
2170 | ||
2171 | /** | |
a36c61f9 KG |
2172 | * Called by bport/vport to create a remote port instance for a discovered |
2173 | * remote device. | |
7725ccfd JH |
2174 | * |
2175 | * @param[in] port - base port or vport | |
2176 | * @param[in] rpid - remote port ID | |
2177 | * | |
2178 | * @return None | |
2179 | */ | |
2180 | struct bfa_fcs_rport_s * | |
a36c61f9 | 2181 | bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid) |
7725ccfd JH |
2182 | { |
2183 | struct bfa_fcs_rport_s *rport; | |
2184 | ||
2185 | bfa_trc(port->fcs, rpid); | |
2186 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); | |
2187 | if (!rport) | |
2188 | return NULL; | |
2189 | ||
2190 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); | |
2191 | return rport; | |
2192 | } | |
2193 | ||
2194 | /** | |
2195 | * Called to create a rport for which only the wwn is known. | |
2196 | * | |
2197 | * @param[in] port - base port | |
2198 | * @param[in] rpwwn - remote port wwn | |
2199 | * | |
2200 | * @return None | |
2201 | */ | |
2202 | struct bfa_fcs_rport_s * | |
a36c61f9 | 2203 | bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn) |
7725ccfd JH |
2204 | { |
2205 | struct bfa_fcs_rport_s *rport; | |
7725ccfd JH |
2206 | bfa_trc(port->fcs, rpwwn); |
2207 | rport = bfa_fcs_rport_alloc(port, rpwwn, 0); | |
2208 | if (!rport) | |
2209 | return NULL; | |
2210 | ||
2211 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); | |
2212 | return rport; | |
2213 | } | |
7725ccfd JH |
2214 | /** |
2215 | * Called by bport in private loop topology to indicate that a | |
2216 | * rport has been discovered and plogi has been completed. | |
2217 | * | |
2218 | * @param[in] port - base port or vport | |
2219 | * @param[in] rpid - remote port ID | |
2220 | */ | |
2221 | void | |
a36c61f9 KG |
2222 | bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, |
2223 | struct fc_logi_s *plogi) | |
7725ccfd JH |
2224 | { |
2225 | struct bfa_fcs_rport_s *rport; | |
2226 | ||
2227 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); | |
2228 | if (!rport) | |
2229 | return; | |
2230 | ||
2231 | bfa_fcs_rport_update(rport, plogi); | |
2232 | ||
2233 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); | |
2234 | } | |
2235 | ||
2236 | /** | |
a36c61f9 KG |
2237 | * Called by bport/vport to handle PLOGI received from a new remote port. |
2238 | * If an existing rport does a plogi, it will be handled separately. | |
7725ccfd JH |
2239 | */ |
2240 | void | |
a36c61f9 KG |
2241 | bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, |
2242 | struct fc_logi_s *plogi) | |
7725ccfd JH |
2243 | { |
2244 | struct bfa_fcs_rport_s *rport; | |
2245 | ||
2246 | rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); | |
2247 | if (!rport) | |
2248 | return; | |
2249 | ||
2250 | bfa_fcs_rport_update(rport, plogi); | |
2251 | ||
2252 | rport->reply_oxid = fchs->ox_id; | |
2253 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2254 | ||
2255 | rport->stats.plogi_rcvd++; | |
2256 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); | |
2257 | } | |
2258 | ||
2259 | static int | |
2260 | wwn_compare(wwn_t wwn1, wwn_t wwn2) | |
2261 | { | |
a36c61f9 KG |
2262 | u8 *b1 = (u8 *) &wwn1; |
2263 | u8 *b2 = (u8 *) &wwn2; | |
2264 | int i; | |
7725ccfd JH |
2265 | |
2266 | for (i = 0; i < sizeof(wwn_t); i++) { | |
2267 | if (b1[i] < b2[i]) | |
2268 | return -1; | |
2269 | if (b1[i] > b2[i]) | |
2270 | return 1; | |
2271 | } | |
2272 | return 0; | |
2273 | } | |
2274 | ||
2275 | /** | |
a36c61f9 KG |
2276 | * Called by bport/vport to handle PLOGI received from an existing |
2277 | * remote port. | |
7725ccfd JH |
2278 | */ |
2279 | void | |
2280 | bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, | |
a36c61f9 | 2281 | struct fc_logi_s *plogi) |
7725ccfd JH |
2282 | { |
2283 | /** | |
2284 | * @todo Handle P2P and initiator-initiator. | |
2285 | */ | |
2286 | ||
2287 | bfa_fcs_rport_update(rport, plogi); | |
2288 | ||
2289 | rport->reply_oxid = rx_fchs->ox_id; | |
2290 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2291 | ||
2292 | /** | |
2293 | * In Switched fabric topology, | |
2294 | * PLOGI to each other. If our pwwn is smaller, ignore it, | |
2295 | * if it is not a well known address. | |
2296 | * If the link topology is N2N, | |
2297 | * this Plogi should be accepted. | |
2298 | */ | |
a36c61f9 KG |
2299 | if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1) && |
2300 | (bfa_fcs_fabric_is_switched(rport->port->fabric)) && | |
2301 | (!BFA_FCS_PID_IS_WKA(rport->pid))) { | |
7725ccfd JH |
2302 | bfa_trc(rport->fcs, rport->pid); |
2303 | return; | |
2304 | } | |
2305 | ||
2306 | rport->stats.plogi_rcvd++; | |
2307 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); | |
2308 | } | |
2309 | ||
2310 | /** | |
2311 | * Called by bport/vport to delete a remote port instance. | |
2312 | * | |
a36c61f9 KG |
2313 | * Rport delete is called under the following conditions: |
2314 | * - vport is deleted | |
2315 | * - vf is deleted | |
2316 | * - explicit request from OS to delete rport | |
7725ccfd JH |
2317 | */ |
2318 | void | |
2319 | bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport) | |
2320 | { | |
2321 | bfa_sm_send_event(rport, RPSM_EVENT_DELETE); | |
2322 | } | |
2323 | ||
2324 | /** | |
2325 | * Called by bport/vport to when a target goes offline. | |
2326 | * | |
2327 | */ | |
2328 | void | |
2329 | bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport) | |
2330 | { | |
2331 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); | |
2332 | } | |
2333 | ||
2334 | /** | |
2335 | * Called by bport in n2n when a target (attached port) becomes online. | |
2336 | * | |
2337 | */ | |
2338 | void | |
2339 | bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport) | |
2340 | { | |
2341 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); | |
2342 | } | |
7725ccfd | 2343 | /** |
a36c61f9 | 2344 | * Called by bport/vport to notify SCN for the remote port |
7725ccfd JH |
2345 | */ |
2346 | void | |
2347 | bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) | |
2348 | { | |
7725ccfd JH |
2349 | rport->stats.rscns++; |
2350 | bfa_sm_send_event(rport, RPSM_EVENT_SCN); | |
2351 | } | |
2352 | ||
2353 | /** | |
a36c61f9 | 2354 | * Called by fcpim to notify that the ITN cleanup is done. |
7725ccfd JH |
2355 | */ |
2356 | void | |
2357 | bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport) | |
2358 | { | |
2359 | bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); | |
2360 | } | |
2361 | ||
2362 | /** | |
a36c61f9 | 2363 | * Called by fcptm to notify that the ITN cleanup is done. |
7725ccfd JH |
2364 | */ |
2365 | void | |
2366 | bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport) | |
2367 | { | |
2368 | bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); | |
2369 | } | |
2370 | ||
2371 | /** | |
a36c61f9 KG |
2372 | * brief |
2373 | * This routine BFA callback for bfa_rport_online() call. | |
7725ccfd | 2374 | * |
a36c61f9 | 2375 | * param[in] cb_arg - rport struct. |
7725ccfd | 2376 | * |
a36c61f9 KG |
2377 | * return |
2378 | * void | |
7725ccfd | 2379 | * |
a36c61f9 | 2380 | * Special Considerations: |
7725ccfd | 2381 | * |
a36c61f9 | 2382 | * note |
7725ccfd JH |
2383 | */ |
2384 | void | |
2385 | bfa_cb_rport_online(void *cbarg) | |
2386 | { | |
2387 | ||
a36c61f9 | 2388 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
2389 | |
2390 | bfa_trc(rport->fcs, rport->pwwn); | |
2391 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); | |
2392 | } | |
2393 | ||
2394 | /** | |
a36c61f9 KG |
2395 | * brief |
2396 | * This routine BFA callback for bfa_rport_offline() call. | |
7725ccfd | 2397 | * |
a36c61f9 | 2398 | * param[in] rport - |
7725ccfd | 2399 | * |
a36c61f9 KG |
2400 | * return |
2401 | * void | |
7725ccfd | 2402 | * |
a36c61f9 | 2403 | * Special Considerations: |
7725ccfd | 2404 | * |
a36c61f9 | 2405 | * note |
7725ccfd JH |
2406 | */ |
2407 | void | |
2408 | bfa_cb_rport_offline(void *cbarg) | |
2409 | { | |
a36c61f9 | 2410 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
2411 | |
2412 | bfa_trc(rport->fcs, rport->pwwn); | |
2413 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); | |
2414 | } | |
2415 | ||
2416 | /** | |
a36c61f9 KG |
2417 | * brief |
2418 | * This routine is a static BFA callback when there is a QoS flow_id | |
2419 | * change notification | |
7725ccfd | 2420 | * |
a36c61f9 | 2421 | * param[in] rport - |
7725ccfd | 2422 | * |
a36c61f9 KG |
2423 | * return |
2424 | * void | |
7725ccfd | 2425 | * |
a36c61f9 | 2426 | * Special Considerations: |
7725ccfd | 2427 | * |
a36c61f9 | 2428 | * note |
7725ccfd JH |
2429 | */ |
2430 | void | |
2431 | bfa_cb_rport_qos_scn_flowid(void *cbarg, | |
a36c61f9 KG |
2432 | struct bfa_rport_qos_attr_s old_qos_attr, |
2433 | struct bfa_rport_qos_attr_s new_qos_attr) | |
7725ccfd | 2434 | { |
a36c61f9 | 2435 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
2436 | |
2437 | bfa_trc(rport->fcs, rport->pwwn); | |
7725ccfd JH |
2438 | } |
2439 | ||
2440 | /** | |
a36c61f9 KG |
2441 | * brief |
2442 | * This routine is a static BFA callback when there is a QoS priority | |
2443 | * change notification | |
7725ccfd | 2444 | * |
a36c61f9 | 2445 | * param[in] rport - |
7725ccfd | 2446 | * |
a36c61f9 KG |
2447 | * return |
2448 | * void | |
7725ccfd | 2449 | * |
a36c61f9 | 2450 | * Special Considerations: |
7725ccfd | 2451 | * |
a36c61f9 | 2452 | * note |
7725ccfd JH |
2453 | */ |
2454 | void | |
a36c61f9 KG |
2455 | bfa_cb_rport_qos_scn_prio(void *cbarg, |
2456 | struct bfa_rport_qos_attr_s old_qos_attr, | |
2457 | struct bfa_rport_qos_attr_s new_qos_attr) | |
7725ccfd | 2458 | { |
a36c61f9 | 2459 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
7725ccfd JH |
2460 | |
2461 | bfa_trc(rport->fcs, rport->pwwn); | |
7725ccfd JH |
2462 | } |
2463 | ||
2464 | /** | |
a36c61f9 | 2465 | * Called to process any unsolicted frames from this remote port |
7725ccfd JH |
2466 | */ |
2467 | void | |
2468 | bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport) | |
2469 | { | |
2470 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); | |
2471 | } | |
2472 | ||
2473 | /** | |
a36c61f9 | 2474 | * Called to process any unsolicted frames from this remote port |
7725ccfd JH |
2475 | */ |
2476 | void | |
a36c61f9 KG |
2477 | bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, |
2478 | struct fchs_s *fchs, u16 len) | |
7725ccfd | 2479 | { |
a36c61f9 KG |
2480 | struct bfa_fcs_lport_s *port = rport->port; |
2481 | struct fc_els_cmd_s *els_cmd; | |
7725ccfd JH |
2482 | |
2483 | bfa_trc(rport->fcs, fchs->s_id); | |
2484 | bfa_trc(rport->fcs, fchs->d_id); | |
2485 | bfa_trc(rport->fcs, fchs->type); | |
2486 | ||
2487 | if (fchs->type != FC_TYPE_ELS) | |
2488 | return; | |
2489 | ||
2490 | els_cmd = (struct fc_els_cmd_s *) (fchs + 1); | |
2491 | ||
2492 | bfa_trc(rport->fcs, els_cmd->els_code); | |
2493 | ||
2494 | switch (els_cmd->els_code) { | |
2495 | case FC_ELS_LOGO: | |
a36c61f9 | 2496 | bfa_stats(port, plogi_rcvd); |
7725ccfd JH |
2497 | bfa_fcs_rport_process_logo(rport, fchs); |
2498 | break; | |
2499 | ||
2500 | case FC_ELS_ADISC: | |
a36c61f9 | 2501 | bfa_stats(port, adisc_rcvd); |
7725ccfd JH |
2502 | bfa_fcs_rport_process_adisc(rport, fchs, len); |
2503 | break; | |
2504 | ||
2505 | case FC_ELS_PRLO: | |
a36c61f9 KG |
2506 | bfa_stats(port, prlo_rcvd); |
2507 | if (bfa_fcs_lport_is_initiator(port)) | |
7725ccfd | 2508 | bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); |
7725ccfd JH |
2509 | break; |
2510 | ||
2511 | case FC_ELS_PRLI: | |
a36c61f9 | 2512 | bfa_stats(port, prli_rcvd); |
7725ccfd JH |
2513 | bfa_fcs_rport_process_prli(rport, fchs, len); |
2514 | break; | |
2515 | ||
2516 | case FC_ELS_RPSC: | |
a36c61f9 | 2517 | bfa_stats(port, rpsc_rcvd); |
7725ccfd JH |
2518 | bfa_fcs_rport_process_rpsc(rport, fchs, len); |
2519 | break; | |
2520 | ||
2521 | default: | |
a36c61f9 | 2522 | bfa_stats(port, un_handled_els_rcvd); |
7725ccfd JH |
2523 | bfa_fcs_rport_send_ls_rjt(rport, fchs, |
2524 | FC_LS_RJT_RSN_CMD_NOT_SUPP, | |
2525 | FC_LS_RJT_EXP_NO_ADDL_INFO); | |
2526 | break; | |
2527 | } | |
2528 | } | |
2529 | ||
a36c61f9 | 2530 | /* send best case acc to prlo */ |
4b5e759d JH |
2531 | static void |
2532 | bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) | |
2533 | { | |
a36c61f9 KG |
2534 | struct bfa_fcs_lport_s *port = rport->port; |
2535 | struct fchs_s fchs; | |
4b5e759d | 2536 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 2537 | int len; |
4b5e759d JH |
2538 | |
2539 | bfa_trc(rport->fcs, rport->pid); | |
2540 | ||
2541 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
2542 | if (!fcxp) | |
2543 | return; | |
4b5e759d | 2544 | len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
a36c61f9 | 2545 | rport->pid, bfa_fcs_lport_get_fcid(port), |
4b5e759d JH |
2546 | rport->reply_oxid, 0); |
2547 | ||
2548 | bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, | |
a36c61f9 KG |
2549 | port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, |
2550 | NULL, NULL, FC_MAX_PDUSZ, 0); | |
4b5e759d JH |
2551 | } |
2552 | ||
7725ccfd JH |
2553 | /* |
2554 | * Send a LS reject | |
2555 | */ | |
2556 | static void | |
2557 | bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, | |
2558 | u8 reason_code, u8 reason_code_expl) | |
2559 | { | |
a36c61f9 KG |
2560 | struct bfa_fcs_lport_s *port = rport->port; |
2561 | struct fchs_s fchs; | |
7725ccfd | 2562 | struct bfa_fcxp_s *fcxp; |
a36c61f9 | 2563 | int len; |
7725ccfd JH |
2564 | |
2565 | bfa_trc(rport->fcs, rx_fchs->s_id); | |
2566 | ||
2567 | fcxp = bfa_fcs_fcxp_alloc(rport->fcs); | |
2568 | if (!fcxp) | |
2569 | return; | |
2570 | ||
a36c61f9 KG |
2571 | len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
2572 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
2573 | rx_fchs->ox_id, reason_code, reason_code_expl); | |
7725ccfd | 2574 | |
a36c61f9 KG |
2575 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, |
2576 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, | |
2577 | FC_MAX_PDUSZ, 0); | |
7725ccfd JH |
2578 | } |
2579 | ||
7725ccfd JH |
2580 | /** |
2581 | * Return state of rport. | |
2582 | */ | |
2583 | int | |
2584 | bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) | |
2585 | { | |
2586 | return bfa_sm_to_state(rport_sm_table, rport->sm); | |
2587 | } | |
2588 | ||
2589 | /** | |
a36c61f9 KG |
2590 | * brief |
2591 | * Called by the Driver to set rport delete/ageout timeout | |
7725ccfd | 2592 | * |
a36c61f9 | 2593 | * param[in] rport timeout value in seconds. |
7725ccfd | 2594 | * |
a36c61f9 | 2595 | * return None |
7725ccfd JH |
2596 | */ |
2597 | void | |
2598 | bfa_fcs_rport_set_del_timeout(u8 rport_tmo) | |
2599 | { | |
a36c61f9 | 2600 | /* convert to Millisecs */ |
7725ccfd JH |
2601 | if (rport_tmo > 0) |
2602 | bfa_fcs_rport_del_timeout = rport_tmo * 1000; | |
2603 | } | |
4b5e759d | 2604 | void |
a36c61f9 | 2605 | bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, u16 ox_id) |
4b5e759d JH |
2606 | { |
2607 | bfa_trc(rport->fcs, rport->pid); | |
2608 | ||
2609 | rport->prlo = BFA_TRUE; | |
2610 | rport->reply_oxid = ox_id; | |
2611 | bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD); | |
2612 | } | |
a36c61f9 KG |
2613 | |
2614 | ||
2615 | ||
2616 | /** | |
2617 | * Remote port implementation. | |
2618 | */ | |
2619 | ||
2620 | /** | |
2621 | * fcs_rport_api FCS rport API. | |
2622 | */ | |
2623 | ||
2624 | /** | |
2625 | * Direct API to add a target by port wwn. This interface is used, for | |
2626 | * example, by bios when target pwwn is known from boot lun configuration. | |
2627 | */ | |
2628 | bfa_status_t | |
2629 | bfa_fcs_rport_add(struct bfa_fcs_lport_s *port, wwn_t *pwwn, | |
2630 | struct bfa_fcs_rport_s *rport, struct bfad_rport_s *rport_drv) | |
2631 | { | |
2632 | bfa_trc(port->fcs, *pwwn); | |
2633 | ||
2634 | return BFA_STATUS_OK; | |
2635 | } | |
2636 | ||
2637 | /** | |
2638 | * Direct API to remove a target and its associated resources. This | |
2639 | * interface is used, for example, by driver to remove target | |
2640 | * ports from the target list for a VM. | |
2641 | */ | |
2642 | bfa_status_t | |
2643 | bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport_in) | |
2644 | { | |
2645 | ||
2646 | struct bfa_fcs_rport_s *rport; | |
2647 | ||
2648 | bfa_trc(rport_in->fcs, rport_in->pwwn); | |
2649 | ||
2650 | rport = bfa_fcs_lport_get_rport_by_pwwn(rport_in->port, rport_in->pwwn); | |
2651 | if (rport == NULL) { | |
2652 | /* | |
2653 | * TBD Error handling | |
2654 | */ | |
2655 | bfa_trc(rport_in->fcs, rport_in->pid); | |
2656 | return BFA_STATUS_UNKNOWN_RWWN; | |
2657 | } | |
2658 | ||
2659 | /* | |
2660 | * TBD if this remote port is online, send a logo | |
2661 | */ | |
2662 | return BFA_STATUS_OK; | |
2663 | ||
2664 | } | |
2665 | ||
2666 | /** | |
2667 | * Remote device status for display/debug. | |
2668 | */ | |
2669 | void | |
2670 | bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, | |
2671 | struct bfa_rport_attr_s *rport_attr) | |
2672 | { | |
2673 | struct bfa_rport_qos_attr_s qos_attr; | |
2674 | bfa_fcs_lport_t *port = rport->port; | |
2675 | bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed; | |
2676 | ||
6a18b167 | 2677 | memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); |
a36c61f9 KG |
2678 | |
2679 | rport_attr->pid = rport->pid; | |
2680 | rport_attr->pwwn = rport->pwwn; | |
2681 | rport_attr->nwwn = rport->nwwn; | |
2682 | rport_attr->cos_supported = rport->fc_cos; | |
2683 | rport_attr->df_sz = rport->maxfrsize; | |
2684 | rport_attr->state = bfa_fcs_rport_get_state(rport); | |
2685 | rport_attr->fc_cos = rport->fc_cos; | |
2686 | rport_attr->cisc = rport->cisc; | |
2687 | rport_attr->scsi_function = rport->scsi_function; | |
2688 | rport_attr->curr_speed = rport->rpf.rpsc_speed; | |
2689 | rport_attr->assigned_speed = rport->rpf.assigned_speed; | |
2690 | ||
2691 | bfa_rport_get_qos_attr(rport->bfa_rport, &qos_attr); | |
2692 | rport_attr->qos_attr = qos_attr; | |
2693 | ||
2694 | rport_attr->trl_enforced = BFA_FALSE; | |
2695 | if (bfa_fcport_is_ratelim(port->fcs->bfa)) { | |
2696 | if (rport_speed == BFA_PORT_SPEED_UNKNOWN) { | |
2697 | /* Use default ratelim speed setting */ | |
2698 | rport_speed = | |
2699 | bfa_fcport_get_ratelim_speed(rport->fcs->bfa); | |
2700 | } | |
2701 | ||
2702 | if (rport_speed < bfa_fcs_lport_get_rport_max_speed(port)) | |
2703 | rport_attr->trl_enforced = BFA_TRUE; | |
2704 | } | |
2705 | } | |
2706 | ||
2707 | /** | |
2708 | * Per remote device statistics. | |
2709 | */ | |
2710 | void | |
2711 | bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport, | |
2712 | struct bfa_rport_stats_s *stats) | |
2713 | { | |
2714 | *stats = rport->stats; | |
2715 | } | |
2716 | ||
2717 | void | |
2718 | bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport) | |
2719 | { | |
6a18b167 | 2720 | memset((char *)&rport->stats, 0, |
a36c61f9 KG |
2721 | sizeof(struct bfa_rport_stats_s)); |
2722 | } | |
2723 | ||
2724 | struct bfa_fcs_rport_s * | |
2725 | bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) | |
2726 | { | |
2727 | struct bfa_fcs_rport_s *rport; | |
2728 | ||
2729 | rport = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); | |
2730 | if (rport == NULL) { | |
2731 | /* | |
2732 | * TBD Error handling | |
2733 | */ | |
2734 | } | |
2735 | ||
2736 | return rport; | |
2737 | } | |
2738 | ||
2739 | struct bfa_fcs_rport_s * | |
2740 | bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) | |
2741 | { | |
2742 | struct bfa_fcs_rport_s *rport; | |
2743 | ||
2744 | rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn); | |
2745 | if (rport == NULL) { | |
2746 | /* | |
2747 | * TBD Error handling | |
2748 | */ | |
2749 | } | |
2750 | ||
2751 | return rport; | |
2752 | } | |
2753 | ||
2754 | /* | |
2755 | * This API is to set the Rport's speed. Should be used when RPSC is not | |
2756 | * supported by the rport. | |
2757 | */ | |
2758 | void | |
2759 | bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport, bfa_port_speed_t speed) | |
2760 | { | |
2761 | rport->rpf.assigned_speed = speed; | |
2762 | ||
2763 | /* Set this speed in f/w only if the RPSC speed is not available */ | |
2764 | if (rport->rpf.rpsc_speed == BFA_PORT_SPEED_UNKNOWN) | |
2765 | bfa_rport_speed(rport->bfa_rport, speed); | |
2766 | } | |
2767 | ||
2768 | ||
2769 | ||
2770 | /** | |
2771 | * Remote port features (RPF) implementation. | |
2772 | */ | |
2773 | ||
2774 | #define BFA_FCS_RPF_RETRIES (3) | |
2775 | #define BFA_FCS_RPF_RETRY_TIMEOUT (1000) /* 1 sec (In millisecs) */ | |
2776 | ||
2777 | static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg, | |
2778 | struct bfa_fcxp_s *fcxp_alloced); | |
2779 | static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, | |
2780 | struct bfa_fcxp_s *fcxp, | |
2781 | void *cbarg, | |
2782 | bfa_status_t req_status, | |
2783 | u32 rsp_len, | |
2784 | u32 resid_len, | |
2785 | struct fchs_s *rsp_fchs); | |
2786 | ||
2787 | static void bfa_fcs_rpf_timeout(void *arg); | |
2788 | ||
2789 | /** | |
2790 | * fcs_rport_ftrs_sm FCS rport state machine events | |
2791 | */ | |
2792 | ||
2793 | enum rpf_event { | |
2794 | RPFSM_EVENT_RPORT_OFFLINE = 1, /* Rport offline */ | |
2795 | RPFSM_EVENT_RPORT_ONLINE = 2, /* Rport online */ | |
2796 | RPFSM_EVENT_FCXP_SENT = 3, /* Frame from has been sent */ | |
2797 | RPFSM_EVENT_TIMEOUT = 4, /* Rport SM timeout event */ | |
2798 | RPFSM_EVENT_RPSC_COMP = 5, | |
2799 | RPFSM_EVENT_RPSC_FAIL = 6, | |
2800 | RPFSM_EVENT_RPSC_ERROR = 7, | |
2801 | }; | |
2802 | ||
2803 | static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, | |
2804 | enum rpf_event event); | |
2805 | static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, | |
2806 | enum rpf_event event); | |
2807 | static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, | |
2808 | enum rpf_event event); | |
2809 | static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, | |
2810 | enum rpf_event event); | |
2811 | static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, | |
2812 | enum rpf_event event); | |
2813 | static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, | |
2814 | enum rpf_event event); | |
2815 | ||
2816 | static void | |
2817 | bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2818 | { | |
2819 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2820 | struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric; | |
2821 | ||
2822 | bfa_trc(rport->fcs, rport->pwwn); | |
2823 | bfa_trc(rport->fcs, rport->pid); | |
2824 | bfa_trc(rport->fcs, event); | |
2825 | ||
2826 | switch (event) { | |
2827 | case RPFSM_EVENT_RPORT_ONLINE: | |
2828 | /* Send RPSC2 to a Brocade fabric only. */ | |
2829 | if ((!BFA_FCS_PID_IS_WKA(rport->pid)) && | |
2830 | ((bfa_lps_is_brcd_fabric(rport->port->fabric->lps)) || | |
2831 | (bfa_fcs_fabric_get_switch_oui(fabric) == | |
2832 | BFA_FCS_BRCD_SWITCH_OUI))) { | |
2833 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); | |
2834 | rpf->rpsc_retries = 0; | |
2835 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); | |
2836 | } | |
2837 | break; | |
2838 | ||
2839 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2840 | break; | |
2841 | ||
2842 | default: | |
2843 | bfa_sm_fault(rport->fcs, event); | |
2844 | } | |
2845 | } | |
2846 | ||
2847 | static void | |
2848 | bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2849 | { | |
2850 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2851 | ||
2852 | bfa_trc(rport->fcs, event); | |
2853 | ||
2854 | switch (event) { | |
2855 | case RPFSM_EVENT_FCXP_SENT: | |
2856 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc); | |
2857 | break; | |
2858 | ||
2859 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2860 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2861 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe); | |
2862 | rpf->rpsc_retries = 0; | |
2863 | break; | |
2864 | ||
2865 | default: | |
2866 | bfa_sm_fault(rport->fcs, event); | |
2867 | } | |
2868 | } | |
2869 | ||
2870 | static void | |
2871 | bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2872 | { | |
2873 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2874 | ||
2875 | bfa_trc(rport->fcs, rport->pid); | |
2876 | bfa_trc(rport->fcs, event); | |
2877 | ||
2878 | switch (event) { | |
2879 | case RPFSM_EVENT_RPSC_COMP: | |
2880 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); | |
2881 | /* Update speed info in f/w via BFA */ | |
2882 | if (rpf->rpsc_speed != BFA_PORT_SPEED_UNKNOWN) | |
2883 | bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed); | |
2884 | else if (rpf->assigned_speed != BFA_PORT_SPEED_UNKNOWN) | |
2885 | bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed); | |
2886 | break; | |
2887 | ||
2888 | case RPFSM_EVENT_RPSC_FAIL: | |
2889 | /* RPSC not supported by rport */ | |
2890 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); | |
2891 | break; | |
2892 | ||
2893 | case RPFSM_EVENT_RPSC_ERROR: | |
2894 | /* need to retry...delayed a bit. */ | |
2895 | if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) { | |
2896 | bfa_timer_start(rport->fcs->bfa, &rpf->timer, | |
2897 | bfa_fcs_rpf_timeout, rpf, | |
2898 | BFA_FCS_RPF_RETRY_TIMEOUT); | |
2899 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry); | |
2900 | } else { | |
2901 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); | |
2902 | } | |
2903 | break; | |
2904 | ||
2905 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2906 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2907 | bfa_fcxp_discard(rpf->fcxp); | |
2908 | rpf->rpsc_retries = 0; | |
2909 | break; | |
2910 | ||
2911 | default: | |
2912 | bfa_sm_fault(rport->fcs, event); | |
2913 | } | |
2914 | } | |
2915 | ||
2916 | static void | |
2917 | bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2918 | { | |
2919 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2920 | ||
2921 | bfa_trc(rport->fcs, rport->pid); | |
2922 | bfa_trc(rport->fcs, event); | |
2923 | ||
2924 | switch (event) { | |
2925 | case RPFSM_EVENT_TIMEOUT: | |
2926 | /* re-send the RPSC */ | |
2927 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); | |
2928 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); | |
2929 | break; | |
2930 | ||
2931 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2932 | bfa_timer_stop(&rpf->timer); | |
2933 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2934 | rpf->rpsc_retries = 0; | |
2935 | break; | |
2936 | ||
2937 | default: | |
2938 | bfa_sm_fault(rport->fcs, event); | |
2939 | } | |
2940 | } | |
2941 | ||
2942 | static void | |
2943 | bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2944 | { | |
2945 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2946 | ||
2947 | bfa_trc(rport->fcs, rport->pwwn); | |
2948 | bfa_trc(rport->fcs, rport->pid); | |
2949 | bfa_trc(rport->fcs, event); | |
2950 | ||
2951 | switch (event) { | |
2952 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2953 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); | |
2954 | rpf->rpsc_retries = 0; | |
2955 | break; | |
2956 | ||
2957 | default: | |
2958 | bfa_sm_fault(rport->fcs, event); | |
2959 | } | |
2960 | } | |
2961 | ||
2962 | static void | |
2963 | bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) | |
2964 | { | |
2965 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
2966 | ||
2967 | bfa_trc(rport->fcs, rport->pwwn); | |
2968 | bfa_trc(rport->fcs, rport->pid); | |
2969 | bfa_trc(rport->fcs, event); | |
2970 | ||
2971 | switch (event) { | |
2972 | case RPFSM_EVENT_RPORT_ONLINE: | |
2973 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); | |
2974 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); | |
2975 | break; | |
2976 | ||
2977 | case RPFSM_EVENT_RPORT_OFFLINE: | |
2978 | break; | |
2979 | ||
2980 | default: | |
2981 | bfa_sm_fault(rport->fcs, event); | |
2982 | } | |
2983 | } | |
2984 | /** | |
2985 | * Called when Rport is created. | |
2986 | */ | |
2987 | void | |
2988 | bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport) | |
2989 | { | |
2990 | struct bfa_fcs_rpf_s *rpf = &rport->rpf; | |
2991 | ||
2992 | bfa_trc(rport->fcs, rport->pid); | |
2993 | rpf->rport = rport; | |
2994 | ||
2995 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit); | |
2996 | } | |
2997 | ||
2998 | /** | |
2999 | * Called when Rport becomes online | |
3000 | */ | |
3001 | void | |
3002 | bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport) | |
3003 | { | |
3004 | bfa_trc(rport->fcs, rport->pid); | |
3005 | ||
3006 | if (__fcs_min_cfg(rport->port->fcs)) | |
3007 | return; | |
3008 | ||
3009 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) | |
3010 | bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE); | |
3011 | } | |
3012 | ||
3013 | /** | |
3014 | * Called when Rport becomes offline | |
3015 | */ | |
3016 | void | |
3017 | bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport) | |
3018 | { | |
3019 | bfa_trc(rport->fcs, rport->pid); | |
3020 | ||
3021 | if (__fcs_min_cfg(rport->port->fcs)) | |
3022 | return; | |
3023 | ||
3024 | rport->rpf.rpsc_speed = 0; | |
3025 | bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE); | |
3026 | } | |
3027 | ||
3028 | static void | |
3029 | bfa_fcs_rpf_timeout(void *arg) | |
3030 | { | |
3031 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg; | |
3032 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
3033 | ||
3034 | bfa_trc(rport->fcs, rport->pid); | |
3035 | bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT); | |
3036 | } | |
3037 | ||
3038 | static void | |
3039 | bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
3040 | { | |
3041 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg; | |
3042 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
3043 | struct bfa_fcs_lport_s *port = rport->port; | |
3044 | struct fchs_s fchs; | |
3045 | int len; | |
3046 | struct bfa_fcxp_s *fcxp; | |
3047 | ||
3048 | bfa_trc(rport->fcs, rport->pwwn); | |
3049 | ||
3050 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
3051 | if (!fcxp) { | |
3052 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe, | |
3053 | bfa_fcs_rpf_send_rpsc2, rpf); | |
3054 | return; | |
3055 | } | |
3056 | rpf->fcxp = fcxp; | |
3057 | ||
3058 | len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
3059 | bfa_fcs_lport_get_fcid(port), &rport->pid, 1); | |
3060 | ||
3061 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
3062 | FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response, | |
3063 | rpf, FC_MAX_PDUSZ, FC_ELS_TOV); | |
3064 | rport->stats.rpsc_sent++; | |
3065 | bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT); | |
3066 | ||
3067 | } | |
3068 | ||
3069 | static void | |
3070 | bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
3071 | bfa_status_t req_status, u32 rsp_len, | |
3072 | u32 resid_len, struct fchs_s *rsp_fchs) | |
3073 | { | |
3074 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg; | |
3075 | struct bfa_fcs_rport_s *rport = rpf->rport; | |
3076 | struct fc_ls_rjt_s *ls_rjt; | |
3077 | struct fc_rpsc2_acc_s *rpsc2_acc; | |
3078 | u16 num_ents; | |
3079 | ||
3080 | bfa_trc(rport->fcs, req_status); | |
3081 | ||
3082 | if (req_status != BFA_STATUS_OK) { | |
3083 | bfa_trc(rport->fcs, req_status); | |
3084 | if (req_status == BFA_STATUS_ETIMER) | |
3085 | rport->stats.rpsc_failed++; | |
3086 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); | |
3087 | return; | |
3088 | } | |
3089 | ||
3090 | rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp); | |
3091 | if (rpsc2_acc->els_cmd == FC_ELS_ACC) { | |
3092 | rport->stats.rpsc_accs++; | |
ba816ea8 | 3093 | num_ents = be16_to_cpu(rpsc2_acc->num_pids); |
a36c61f9 KG |
3094 | bfa_trc(rport->fcs, num_ents); |
3095 | if (num_ents > 0) { | |
3096 | bfa_assert(rpsc2_acc->port_info[0].pid != rport->pid); | |
3097 | bfa_trc(rport->fcs, | |
ba816ea8 | 3098 | be16_to_cpu(rpsc2_acc->port_info[0].pid)); |
a36c61f9 | 3099 | bfa_trc(rport->fcs, |
ba816ea8 | 3100 | be16_to_cpu(rpsc2_acc->port_info[0].speed)); |
a36c61f9 | 3101 | bfa_trc(rport->fcs, |
ba816ea8 | 3102 | be16_to_cpu(rpsc2_acc->port_info[0].index)); |
a36c61f9 KG |
3103 | bfa_trc(rport->fcs, |
3104 | rpsc2_acc->port_info[0].type); | |
3105 | ||
3106 | if (rpsc2_acc->port_info[0].speed == 0) { | |
3107 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); | |
3108 | return; | |
3109 | } | |
3110 | ||
3111 | rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed( | |
ba816ea8 | 3112 | be16_to_cpu(rpsc2_acc->port_info[0].speed)); |
a36c61f9 KG |
3113 | |
3114 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP); | |
3115 | } | |
3116 | } else { | |
3117 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
3118 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
3119 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
3120 | rport->stats.rpsc_rejects++; | |
3121 | if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP) | |
3122 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL); | |
3123 | else | |
3124 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); | |
3125 | } | |
3126 | } |