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7725ccfd JH |
1 | /* |
2 | * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. | |
3 | * All rights reserved | |
4 | * www.brocade.com | |
5 | * | |
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
10 | * published by the Free Software Foundation | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | ||
18 | /** | |
19 | * rport.c Remote port implementation. | |
20 | */ | |
21 | ||
5a0e3ad6 | 22 | #include <linux/slab.h> |
7725ccfd JH |
23 | #include <bfa.h> |
24 | #include <bfa_svc.h> | |
25 | #include "fcbuild.h" | |
26 | #include "fcs_vport.h" | |
27 | #include "fcs_lport.h" | |
28 | #include "fcs_rport.h" | |
29 | #include "fcs_fcpim.h" | |
30 | #include "fcs_fcptm.h" | |
31 | #include "fcs_trcmod.h" | |
32 | #include "fcs_fcxp.h" | |
33 | #include "fcs.h" | |
34 | #include <fcb/bfa_fcb_rport.h> | |
35 | #include <aen/bfa_aen_rport.h> | |
36 | ||
37 | BFA_TRC_FILE(FCS, RPORT); | |
38 | ||
39 | #define BFA_FCS_RPORT_MAX_RETRIES (5) | |
40 | ||
41 | /* In millisecs */ | |
42 | static u32 bfa_fcs_rport_del_timeout = | |
43 | BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; | |
44 | ||
45 | /* | |
46 | * forward declarations | |
47 | */ | |
48 | static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, | |
49 | wwn_t pwwn, u32 rpid); | |
50 | static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); | |
51 | static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); | |
52 | static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport); | |
53 | static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport); | |
54 | static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, | |
55 | struct fc_logi_s *plogi); | |
56 | static void bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport); | |
57 | static void bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport); | |
58 | static void bfa_fcs_rport_timeout(void *arg); | |
59 | static void bfa_fcs_rport_send_plogi(void *rport_cbarg, | |
60 | struct bfa_fcxp_s *fcxp_alloced); | |
61 | static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, | |
62 | struct bfa_fcxp_s *fcxp_alloced); | |
63 | static void bfa_fcs_rport_plogi_response(void *fcsarg, | |
64 | struct bfa_fcxp_s *fcxp, | |
65 | void *cbarg, | |
66 | bfa_status_t req_status, | |
67 | u32 rsp_len, | |
68 | u32 resid_len, | |
69 | struct fchs_s *rsp_fchs); | |
70 | static void bfa_fcs_rport_send_adisc(void *rport_cbarg, | |
71 | struct bfa_fcxp_s *fcxp_alloced); | |
72 | static void bfa_fcs_rport_adisc_response(void *fcsarg, | |
73 | struct bfa_fcxp_s *fcxp, | |
74 | void *cbarg, | |
75 | bfa_status_t req_status, | |
76 | u32 rsp_len, | |
77 | u32 resid_len, | |
78 | struct fchs_s *rsp_fchs); | |
79 | static void bfa_fcs_rport_send_gidpn(void *rport_cbarg, | |
80 | struct bfa_fcxp_s *fcxp_alloced); | |
81 | static void bfa_fcs_rport_gidpn_response(void *fcsarg, | |
82 | struct bfa_fcxp_s *fcxp, | |
83 | void *cbarg, | |
84 | bfa_status_t req_status, | |
85 | u32 rsp_len, | |
86 | u32 resid_len, | |
87 | struct fchs_s *rsp_fchs); | |
88 | static void bfa_fcs_rport_send_logo(void *rport_cbarg, | |
89 | struct bfa_fcxp_s *fcxp_alloced); | |
90 | static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); | |
91 | static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, | |
92 | struct fchs_s *rx_fchs, u16 len); | |
93 | static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, | |
94 | struct fchs_s *rx_fchs, u8 reason_code, | |
95 | u8 reason_code_expl); | |
96 | static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, | |
97 | struct fchs_s *rx_fchs, u16 len); | |
98 | /** | |
99 | * fcs_rport_sm FCS rport state machine events | |
100 | */ | |
101 | ||
102 | enum rport_event { | |
103 | RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ | |
104 | RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ | |
105 | RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ | |
106 | RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ | |
107 | RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ | |
108 | RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ | |
109 | RPSM_EVENT_DELETE = 7, /* RPORT delete request */ | |
110 | RPSM_EVENT_SCN = 8, /* state change notification */ | |
111 | RPSM_EVENT_ACCEPTED = 9,/* Good response from remote device */ | |
112 | RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ | |
113 | RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ | |
114 | RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ | |
115 | RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ | |
116 | RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ | |
117 | RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ | |
118 | RPSM_EVENT_ADDRESS_DISC = 16 /* Need to Discover rport's PID */ | |
119 | }; | |
120 | ||
121 | static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, | |
122 | enum rport_event event); | |
123 | static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, | |
124 | enum rport_event event); | |
125 | static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, | |
126 | enum rport_event event); | |
127 | static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, | |
128 | enum rport_event event); | |
129 | static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, | |
130 | enum rport_event event); | |
131 | static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, | |
132 | enum rport_event event); | |
133 | static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, | |
134 | enum rport_event event); | |
135 | static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, | |
136 | enum rport_event event); | |
137 | static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, | |
138 | enum rport_event event); | |
139 | static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, | |
140 | enum rport_event event); | |
141 | static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, | |
142 | enum rport_event event); | |
143 | static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, | |
144 | enum rport_event event); | |
145 | static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, | |
146 | enum rport_event event); | |
147 | static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, | |
148 | enum rport_event event); | |
149 | static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, | |
150 | enum rport_event event); | |
151 | static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, | |
152 | enum rport_event event); | |
153 | static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, | |
154 | enum rport_event event); | |
155 | static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, | |
156 | enum rport_event event); | |
157 | static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, | |
158 | enum rport_event event); | |
159 | static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, | |
160 | enum rport_event event); | |
161 | static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, | |
162 | enum rport_event event); | |
163 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
164 | enum rport_event event); | |
165 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
166 | enum rport_event event); | |
167 | ||
168 | static struct bfa_sm_table_s rport_sm_table[] = { | |
169 | {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, | |
170 | {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, | |
171 | {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, | |
172 | {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, | |
173 | {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, | |
174 | {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, | |
175 | {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, | |
176 | {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, | |
177 | {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, | |
178 | {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, | |
179 | {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, | |
180 | {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, | |
181 | {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, | |
182 | {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, | |
183 | {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, | |
184 | {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, | |
185 | {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, | |
186 | {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, | |
187 | {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, | |
188 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, | |
189 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, | |
190 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, | |
191 | }; | |
192 | ||
193 | /** | |
194 | * Beginning state. | |
195 | */ | |
196 | static void | |
197 | bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
198 | { | |
199 | bfa_trc(rport->fcs, rport->pwwn); | |
200 | bfa_trc(rport->fcs, rport->pid); | |
201 | bfa_trc(rport->fcs, event); | |
202 | ||
203 | switch (event) { | |
204 | case RPSM_EVENT_PLOGI_SEND: | |
205 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
206 | rport->plogi_retries = 0; | |
207 | bfa_fcs_rport_send_plogi(rport, NULL); | |
208 | break; | |
209 | ||
210 | case RPSM_EVENT_PLOGI_RCVD: | |
211 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
212 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
213 | break; | |
214 | ||
215 | case RPSM_EVENT_PLOGI_COMP: | |
216 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
217 | bfa_fcs_rport_hal_online(rport); | |
218 | break; | |
219 | ||
220 | case RPSM_EVENT_ADDRESS_CHANGE: | |
221 | case RPSM_EVENT_ADDRESS_DISC: | |
222 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
223 | rport->ns_retries = 0; | |
224 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
225 | break; | |
226 | ||
227 | default: | |
e641de37 | 228 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
229 | } |
230 | } | |
231 | ||
232 | /** | |
233 | * PLOGI is being sent. | |
234 | */ | |
235 | static void | |
236 | bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, | |
237 | enum rport_event event) | |
238 | { | |
239 | bfa_trc(rport->fcs, rport->pwwn); | |
240 | bfa_trc(rport->fcs, rport->pid); | |
241 | bfa_trc(rport->fcs, event); | |
242 | ||
243 | switch (event) { | |
244 | case RPSM_EVENT_FCXP_SENT: | |
245 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); | |
246 | break; | |
247 | ||
248 | case RPSM_EVENT_DELETE: | |
249 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
250 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
251 | bfa_fcs_rport_free(rport); | |
252 | break; | |
253 | ||
254 | case RPSM_EVENT_PLOGI_RCVD: | |
255 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
256 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
257 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
258 | break; | |
259 | ||
260 | case RPSM_EVENT_ADDRESS_CHANGE: | |
261 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
262 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
263 | rport->ns_retries = 0; | |
264 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
265 | break; | |
266 | ||
267 | case RPSM_EVENT_LOGO_IMP: | |
268 | rport->pid = 0; | |
269 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
270 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
271 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
272 | bfa_fcs_rport_timeout, rport, | |
273 | bfa_fcs_rport_del_timeout); | |
274 | break; | |
275 | ||
276 | case RPSM_EVENT_SCN: | |
277 | break; | |
278 | ||
279 | default: | |
e641de37 | 280 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
281 | } |
282 | } | |
283 | ||
284 | /** | |
285 | * PLOGI is being sent. | |
286 | */ | |
287 | static void | |
288 | bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, | |
289 | enum rport_event event) | |
290 | { | |
291 | bfa_trc(rport->fcs, rport->pwwn); | |
292 | bfa_trc(rport->fcs, rport->pid); | |
293 | bfa_trc(rport->fcs, event); | |
294 | ||
295 | switch (event) { | |
296 | case RPSM_EVENT_FCXP_SENT: | |
297 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
298 | bfa_fcs_rport_hal_online(rport); | |
299 | break; | |
300 | ||
301 | case RPSM_EVENT_DELETE: | |
302 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
303 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
304 | bfa_fcs_rport_free(rport); | |
305 | break; | |
306 | ||
307 | case RPSM_EVENT_SCN: | |
308 | /** | |
309 | * Ignore, SCN is possibly online notification. | |
310 | */ | |
311 | break; | |
312 | ||
313 | case RPSM_EVENT_ADDRESS_CHANGE: | |
314 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
315 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
316 | rport->ns_retries = 0; | |
317 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
318 | break; | |
319 | ||
320 | case RPSM_EVENT_LOGO_IMP: | |
321 | rport->pid = 0; | |
322 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
323 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
324 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
325 | bfa_fcs_rport_timeout, rport, | |
326 | bfa_fcs_rport_del_timeout); | |
327 | break; | |
328 | ||
329 | case RPSM_EVENT_HCB_OFFLINE: | |
330 | /** | |
331 | * Ignore BFA callback, on a PLOGI receive we call bfa offline. | |
332 | */ | |
333 | break; | |
334 | ||
335 | default: | |
e641de37 | 336 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
337 | } |
338 | } | |
339 | ||
340 | /** | |
341 | * PLOGI is sent. | |
342 | */ | |
343 | static void | |
344 | bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, | |
345 | enum rport_event event) | |
346 | { | |
347 | bfa_trc(rport->fcs, rport->pwwn); | |
348 | bfa_trc(rport->fcs, rport->pid); | |
349 | bfa_trc(rport->fcs, event); | |
350 | ||
351 | switch (event) { | |
352 | case RPSM_EVENT_SCN: | |
353 | bfa_timer_stop(&rport->timer); | |
354 | /* | |
355 | * !! fall through !! | |
356 | */ | |
357 | ||
358 | case RPSM_EVENT_TIMEOUT: | |
359 | rport->plogi_retries++; | |
360 | if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
361 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
362 | bfa_fcs_rport_send_plogi(rport, NULL); | |
363 | } else { | |
364 | rport->pid = 0; | |
365 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
366 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
367 | bfa_fcs_rport_timeout, rport, | |
368 | bfa_fcs_rport_del_timeout); | |
369 | } | |
370 | break; | |
371 | ||
372 | case RPSM_EVENT_DELETE: | |
373 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
374 | bfa_timer_stop(&rport->timer); | |
375 | bfa_fcs_rport_free(rport); | |
376 | break; | |
377 | ||
378 | case RPSM_EVENT_LOGO_RCVD: | |
379 | break; | |
380 | ||
381 | case RPSM_EVENT_PLOGI_RCVD: | |
382 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
383 | bfa_timer_stop(&rport->timer); | |
384 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
385 | break; | |
386 | ||
387 | case RPSM_EVENT_ADDRESS_CHANGE: | |
388 | bfa_timer_stop(&rport->timer); | |
389 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
390 | rport->ns_retries = 0; | |
391 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
392 | break; | |
393 | ||
394 | case RPSM_EVENT_LOGO_IMP: | |
395 | rport->pid = 0; | |
396 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
397 | bfa_timer_stop(&rport->timer); | |
398 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
399 | bfa_fcs_rport_timeout, rport, | |
400 | bfa_fcs_rport_del_timeout); | |
401 | break; | |
402 | ||
403 | case RPSM_EVENT_PLOGI_COMP: | |
404 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
405 | bfa_timer_stop(&rport->timer); | |
406 | bfa_fcs_rport_hal_online(rport); | |
407 | break; | |
408 | ||
409 | default: | |
e641de37 | 410 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
411 | } |
412 | } | |
413 | ||
414 | /** | |
415 | * PLOGI is sent. | |
416 | */ | |
417 | static void | |
418 | bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
419 | { | |
420 | bfa_trc(rport->fcs, rport->pwwn); | |
421 | bfa_trc(rport->fcs, rport->pid); | |
422 | bfa_trc(rport->fcs, event); | |
423 | ||
424 | switch (event) { | |
425 | case RPSM_EVENT_ACCEPTED: | |
426 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
427 | rport->plogi_retries = 0; | |
428 | bfa_fcs_rport_hal_online(rport); | |
429 | break; | |
430 | ||
431 | case RPSM_EVENT_LOGO_RCVD: | |
432 | bfa_fcs_rport_send_logo_acc(rport); | |
433 | bfa_fcxp_discard(rport->fcxp); | |
434 | /* | |
435 | * !! fall through !! | |
436 | */ | |
437 | case RPSM_EVENT_FAILED: | |
438 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); | |
439 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
440 | bfa_fcs_rport_timeout, rport, | |
441 | BFA_FCS_RETRY_TIMEOUT); | |
442 | break; | |
443 | ||
444 | case RPSM_EVENT_LOGO_IMP: | |
445 | rport->pid = 0; | |
446 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
447 | bfa_fcxp_discard(rport->fcxp); | |
448 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
449 | bfa_fcs_rport_timeout, rport, | |
450 | bfa_fcs_rport_del_timeout); | |
451 | break; | |
452 | ||
453 | case RPSM_EVENT_ADDRESS_CHANGE: | |
454 | bfa_fcxp_discard(rport->fcxp); | |
455 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
456 | rport->ns_retries = 0; | |
457 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
458 | break; | |
459 | ||
460 | case RPSM_EVENT_PLOGI_RCVD: | |
461 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
462 | bfa_fcxp_discard(rport->fcxp); | |
463 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
464 | break; | |
465 | ||
466 | case RPSM_EVENT_SCN: | |
467 | /** | |
468 | * Ignore SCN - wait for PLOGI response. | |
469 | */ | |
470 | break; | |
471 | ||
472 | case RPSM_EVENT_DELETE: | |
473 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
474 | bfa_fcxp_discard(rport->fcxp); | |
475 | bfa_fcs_rport_free(rport); | |
476 | break; | |
477 | ||
478 | case RPSM_EVENT_PLOGI_COMP: | |
479 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
480 | bfa_fcxp_discard(rport->fcxp); | |
481 | bfa_fcs_rport_hal_online(rport); | |
482 | break; | |
483 | ||
484 | default: | |
e641de37 | 485 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
486 | } |
487 | } | |
488 | ||
489 | /** | |
490 | * PLOGI is complete. Awaiting BFA rport online callback. FC-4s | |
491 | * are offline. | |
492 | */ | |
493 | static void | |
494 | bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, | |
495 | enum rport_event event) | |
496 | { | |
497 | bfa_trc(rport->fcs, rport->pwwn); | |
498 | bfa_trc(rport->fcs, rport->pid); | |
499 | bfa_trc(rport->fcs, event); | |
500 | ||
501 | switch (event) { | |
502 | case RPSM_EVENT_HCB_ONLINE: | |
503 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); | |
504 | bfa_fcs_rport_online_action(rport); | |
505 | break; | |
506 | ||
507 | case RPSM_EVENT_LOGO_RCVD: | |
508 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); | |
509 | bfa_rport_offline(rport->bfa_rport); | |
510 | break; | |
511 | ||
512 | case RPSM_EVENT_LOGO_IMP: | |
513 | case RPSM_EVENT_ADDRESS_CHANGE: | |
514 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
515 | bfa_rport_offline(rport->bfa_rport); | |
516 | break; | |
517 | ||
518 | case RPSM_EVENT_PLOGI_RCVD: | |
519 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
520 | bfa_rport_offline(rport->bfa_rport); | |
521 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
522 | break; | |
523 | ||
524 | case RPSM_EVENT_DELETE: | |
525 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
526 | bfa_rport_offline(rport->bfa_rport); | |
527 | break; | |
528 | ||
529 | case RPSM_EVENT_SCN: | |
530 | /** | |
531 | * @todo | |
532 | * Ignore SCN - PLOGI just completed, FC-4 login should detect | |
533 | * device failures. | |
534 | */ | |
535 | break; | |
536 | ||
537 | default: | |
e641de37 | 538 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
539 | } |
540 | } | |
541 | ||
542 | /** | |
543 | * Rport is ONLINE. FC-4s active. | |
544 | */ | |
545 | static void | |
546 | bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
547 | { | |
548 | bfa_trc(rport->fcs, rport->pwwn); | |
549 | bfa_trc(rport->fcs, rport->pid); | |
550 | bfa_trc(rport->fcs, event); | |
551 | ||
552 | switch (event) { | |
553 | case RPSM_EVENT_SCN: | |
554 | /** | |
555 | * Pause FC-4 activity till rport is authenticated. | |
556 | * In switched fabrics, check presence of device in nameserver | |
557 | * first. | |
558 | */ | |
559 | bfa_fcs_rport_fc4_pause(rport); | |
560 | ||
561 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { | |
562 | bfa_sm_set_state(rport, | |
563 | bfa_fcs_rport_sm_nsquery_sending); | |
564 | rport->ns_retries = 0; | |
565 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
566 | } else { | |
567 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); | |
568 | bfa_fcs_rport_send_adisc(rport, NULL); | |
569 | } | |
570 | break; | |
571 | ||
572 | case RPSM_EVENT_PLOGI_RCVD: | |
573 | case RPSM_EVENT_LOGO_IMP: | |
574 | case RPSM_EVENT_ADDRESS_CHANGE: | |
575 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
576 | bfa_fcs_rport_offline_action(rport); | |
577 | break; | |
578 | ||
579 | case RPSM_EVENT_DELETE: | |
580 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
581 | bfa_fcs_rport_offline_action(rport); | |
582 | break; | |
583 | ||
584 | case RPSM_EVENT_LOGO_RCVD: | |
585 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); | |
586 | bfa_fcs_rport_offline_action(rport); | |
587 | break; | |
588 | ||
589 | case RPSM_EVENT_PLOGI_COMP: | |
590 | break; | |
591 | ||
592 | default: | |
e641de37 | 593 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
594 | } |
595 | } | |
596 | ||
597 | /** | |
598 | * An SCN event is received in ONLINE state. NS query is being sent | |
599 | * prior to ADISC authentication with rport. FC-4s are paused. | |
600 | */ | |
601 | static void | |
602 | bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, | |
603 | enum rport_event event) | |
604 | { | |
605 | bfa_trc(rport->fcs, rport->pwwn); | |
606 | bfa_trc(rport->fcs, rport->pid); | |
607 | bfa_trc(rport->fcs, event); | |
608 | ||
609 | switch (event) { | |
610 | case RPSM_EVENT_FCXP_SENT: | |
611 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); | |
612 | break; | |
613 | ||
614 | case RPSM_EVENT_DELETE: | |
615 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
616 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
617 | bfa_fcs_rport_offline_action(rport); | |
618 | break; | |
619 | ||
620 | case RPSM_EVENT_SCN: | |
621 | /** | |
622 | * ignore SCN, wait for response to query itself | |
623 | */ | |
624 | break; | |
625 | ||
626 | case RPSM_EVENT_LOGO_RCVD: | |
627 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); | |
628 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
629 | bfa_fcs_rport_offline_action(rport); | |
630 | break; | |
631 | ||
632 | case RPSM_EVENT_LOGO_IMP: | |
633 | rport->pid = 0; | |
634 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
635 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
636 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
637 | bfa_fcs_rport_timeout, rport, | |
638 | bfa_fcs_rport_del_timeout); | |
639 | break; | |
640 | ||
641 | case RPSM_EVENT_PLOGI_RCVD: | |
642 | case RPSM_EVENT_ADDRESS_CHANGE: | |
643 | case RPSM_EVENT_PLOGI_COMP: | |
644 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
645 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
646 | bfa_fcs_rport_offline_action(rport); | |
647 | break; | |
648 | ||
649 | default: | |
e641de37 | 650 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
651 | } |
652 | } | |
653 | ||
654 | /** | |
655 | * An SCN event is received in ONLINE state. NS query is sent to rport. | |
656 | * FC-4s are paused. | |
657 | */ | |
658 | static void | |
659 | bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
660 | { | |
661 | bfa_trc(rport->fcs, rport->pwwn); | |
662 | bfa_trc(rport->fcs, rport->pid); | |
663 | bfa_trc(rport->fcs, event); | |
664 | ||
665 | switch (event) { | |
666 | case RPSM_EVENT_ACCEPTED: | |
667 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); | |
668 | bfa_fcs_rport_send_adisc(rport, NULL); | |
669 | break; | |
670 | ||
671 | case RPSM_EVENT_FAILED: | |
672 | rport->ns_retries++; | |
673 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
674 | bfa_sm_set_state(rport, | |
675 | bfa_fcs_rport_sm_nsquery_sending); | |
676 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
677 | } else { | |
678 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
679 | bfa_fcs_rport_offline_action(rport); | |
680 | } | |
681 | break; | |
682 | ||
683 | case RPSM_EVENT_DELETE: | |
684 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
685 | bfa_fcxp_discard(rport->fcxp); | |
686 | bfa_fcs_rport_offline_action(rport); | |
687 | break; | |
688 | ||
689 | case RPSM_EVENT_SCN: | |
690 | break; | |
691 | ||
692 | case RPSM_EVENT_LOGO_RCVD: | |
693 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); | |
694 | bfa_fcxp_discard(rport->fcxp); | |
695 | bfa_fcs_rport_offline_action(rport); | |
696 | break; | |
697 | ||
698 | case RPSM_EVENT_PLOGI_COMP: | |
699 | case RPSM_EVENT_ADDRESS_CHANGE: | |
700 | case RPSM_EVENT_PLOGI_RCVD: | |
701 | case RPSM_EVENT_LOGO_IMP: | |
702 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
703 | bfa_fcxp_discard(rport->fcxp); | |
704 | bfa_fcs_rport_offline_action(rport); | |
705 | break; | |
706 | ||
707 | default: | |
e641de37 | 708 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
709 | } |
710 | } | |
711 | ||
712 | /** | |
713 | * An SCN event is received in ONLINE state. ADISC is being sent for | |
714 | * authenticating with rport. FC-4s are paused. | |
715 | */ | |
716 | static void | |
717 | bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, | |
718 | enum rport_event event) | |
719 | { | |
720 | bfa_trc(rport->fcs, rport->pwwn); | |
721 | bfa_trc(rport->fcs, rport->pid); | |
722 | bfa_trc(rport->fcs, event); | |
723 | ||
724 | switch (event) { | |
725 | case RPSM_EVENT_FCXP_SENT: | |
726 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc); | |
727 | break; | |
728 | ||
729 | case RPSM_EVENT_DELETE: | |
730 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
731 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
732 | bfa_fcs_rport_offline_action(rport); | |
733 | break; | |
734 | ||
735 | case RPSM_EVENT_LOGO_IMP: | |
736 | case RPSM_EVENT_ADDRESS_CHANGE: | |
737 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
738 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
739 | bfa_fcs_rport_offline_action(rport); | |
740 | break; | |
741 | ||
742 | case RPSM_EVENT_LOGO_RCVD: | |
743 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); | |
744 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
745 | bfa_fcs_rport_offline_action(rport); | |
746 | break; | |
747 | ||
748 | case RPSM_EVENT_SCN: | |
749 | break; | |
750 | ||
751 | case RPSM_EVENT_PLOGI_RCVD: | |
752 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
753 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
754 | bfa_fcs_rport_offline_action(rport); | |
755 | break; | |
756 | ||
757 | default: | |
e641de37 | 758 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
759 | } |
760 | } | |
761 | ||
762 | /** | |
763 | * An SCN event is received in ONLINE state. ADISC is to rport. | |
764 | * FC-4s are paused. | |
765 | */ | |
766 | static void | |
767 | bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
768 | { | |
769 | bfa_trc(rport->fcs, rport->pwwn); | |
770 | bfa_trc(rport->fcs, rport->pid); | |
771 | bfa_trc(rport->fcs, event); | |
772 | ||
773 | switch (event) { | |
774 | case RPSM_EVENT_ACCEPTED: | |
775 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); | |
776 | bfa_fcs_rport_fc4_resume(rport); | |
777 | break; | |
778 | ||
779 | case RPSM_EVENT_PLOGI_RCVD: | |
780 | /** | |
781 | * Too complex to cleanup FC-4 & rport and then acc to PLOGI. | |
782 | * At least go offline when a PLOGI is received. | |
783 | */ | |
784 | bfa_fcxp_discard(rport->fcxp); | |
785 | /* | |
786 | * !!! fall through !!! | |
787 | */ | |
788 | ||
789 | case RPSM_EVENT_FAILED: | |
790 | case RPSM_EVENT_ADDRESS_CHANGE: | |
791 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
792 | bfa_fcs_rport_offline_action(rport); | |
793 | break; | |
794 | ||
795 | case RPSM_EVENT_DELETE: | |
796 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
797 | bfa_fcxp_discard(rport->fcxp); | |
798 | bfa_fcs_rport_offline_action(rport); | |
799 | break; | |
800 | ||
801 | case RPSM_EVENT_SCN: | |
802 | /** | |
803 | * already processing RSCN | |
804 | */ | |
805 | break; | |
806 | ||
807 | case RPSM_EVENT_LOGO_IMP: | |
808 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); | |
809 | bfa_fcxp_discard(rport->fcxp); | |
810 | bfa_fcs_rport_offline_action(rport); | |
811 | break; | |
812 | ||
813 | case RPSM_EVENT_LOGO_RCVD: | |
814 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); | |
815 | bfa_fcxp_discard(rport->fcxp); | |
816 | bfa_fcs_rport_offline_action(rport); | |
817 | break; | |
818 | ||
819 | default: | |
e641de37 | 820 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
821 | } |
822 | } | |
823 | ||
824 | /** | |
825 | * Rport has sent LOGO. Awaiting FC-4 offline completion callback. | |
826 | */ | |
827 | static void | |
828 | bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, | |
829 | enum rport_event event) | |
830 | { | |
831 | bfa_trc(rport->fcs, rport->pwwn); | |
832 | bfa_trc(rport->fcs, rport->pid); | |
833 | bfa_trc(rport->fcs, event); | |
834 | ||
835 | switch (event) { | |
836 | case RPSM_EVENT_FC4_OFFLINE: | |
837 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); | |
838 | bfa_rport_offline(rport->bfa_rport); | |
839 | break; | |
840 | ||
841 | case RPSM_EVENT_DELETE: | |
842 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
843 | break; | |
844 | ||
845 | case RPSM_EVENT_LOGO_RCVD: | |
846 | case RPSM_EVENT_ADDRESS_CHANGE: | |
847 | break; | |
848 | ||
849 | default: | |
e641de37 | 850 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
851 | } |
852 | } | |
853 | ||
854 | /** | |
855 | * LOGO needs to be sent to rport. Awaiting FC-4 offline completion | |
856 | * callback. | |
857 | */ | |
858 | static void | |
859 | bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, | |
860 | enum rport_event event) | |
861 | { | |
862 | bfa_trc(rport->fcs, rport->pwwn); | |
863 | bfa_trc(rport->fcs, rport->pid); | |
864 | bfa_trc(rport->fcs, event); | |
865 | ||
866 | switch (event) { | |
867 | case RPSM_EVENT_FC4_OFFLINE: | |
868 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
869 | bfa_rport_offline(rport->bfa_rport); | |
870 | break; | |
871 | ||
872 | default: | |
e641de37 | 873 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
874 | } |
875 | } | |
876 | ||
877 | /** | |
878 | * Rport is going offline. Awaiting FC-4 offline completion callback. | |
879 | */ | |
880 | static void | |
881 | bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, | |
882 | enum rport_event event) | |
883 | { | |
884 | bfa_trc(rport->fcs, rport->pwwn); | |
885 | bfa_trc(rport->fcs, rport->pid); | |
886 | bfa_trc(rport->fcs, event); | |
887 | ||
888 | switch (event) { | |
889 | case RPSM_EVENT_FC4_OFFLINE: | |
890 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
891 | bfa_rport_offline(rport->bfa_rport); | |
892 | break; | |
893 | ||
894 | case RPSM_EVENT_SCN: | |
895 | case RPSM_EVENT_LOGO_IMP: | |
896 | case RPSM_EVENT_LOGO_RCVD: | |
897 | case RPSM_EVENT_ADDRESS_CHANGE: | |
898 | /** | |
899 | * rport is already going offline. | |
900 | * SCN - ignore and wait till transitioning to offline state | |
901 | */ | |
902 | break; | |
903 | ||
904 | case RPSM_EVENT_DELETE: | |
905 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); | |
906 | break; | |
907 | ||
908 | default: | |
e641de37 | 909 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
910 | } |
911 | } | |
912 | ||
913 | /** | |
914 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline | |
915 | * callback. | |
916 | */ | |
917 | static void | |
918 | bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, | |
919 | enum rport_event event) | |
920 | { | |
921 | bfa_trc(rport->fcs, rport->pwwn); | |
922 | bfa_trc(rport->fcs, rport->pid); | |
923 | bfa_trc(rport->fcs, event); | |
924 | ||
925 | switch (event) { | |
926 | case RPSM_EVENT_HCB_OFFLINE: | |
927 | case RPSM_EVENT_ADDRESS_CHANGE: | |
928 | if (bfa_fcs_port_is_online(rport->port)) { | |
72041ed8 KG |
929 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
930 | bfa_sm_set_state(rport, | |
931 | bfa_fcs_rport_sm_nsdisc_sending); | |
932 | rport->ns_retries = 0; | |
933 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
934 | } else { | |
935 | bfa_sm_set_state(rport, | |
936 | bfa_fcs_rport_sm_plogi_sending); | |
937 | rport->plogi_retries = 0; | |
938 | bfa_fcs_rport_send_plogi(rport, NULL); | |
939 | } | |
7725ccfd JH |
940 | } else { |
941 | rport->pid = 0; | |
942 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
943 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
944 | bfa_fcs_rport_timeout, rport, | |
945 | bfa_fcs_rport_del_timeout); | |
946 | } | |
947 | break; | |
948 | ||
949 | case RPSM_EVENT_DELETE: | |
950 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
951 | bfa_fcs_rport_free(rport); | |
952 | break; | |
953 | ||
954 | case RPSM_EVENT_SCN: | |
955 | case RPSM_EVENT_LOGO_RCVD: | |
956 | /** | |
957 | * Ignore, already offline. | |
958 | */ | |
959 | break; | |
960 | ||
961 | default: | |
e641de37 | 962 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
963 | } |
964 | } | |
965 | ||
966 | /** | |
967 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline | |
968 | * callback to send LOGO accept. | |
969 | */ | |
970 | static void | |
971 | bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, | |
972 | enum rport_event event) | |
973 | { | |
974 | bfa_trc(rport->fcs, rport->pwwn); | |
975 | bfa_trc(rport->fcs, rport->pid); | |
976 | bfa_trc(rport->fcs, event); | |
977 | ||
978 | switch (event) { | |
979 | case RPSM_EVENT_HCB_OFFLINE: | |
980 | case RPSM_EVENT_ADDRESS_CHANGE: | |
981 | if (rport->pid) | |
982 | bfa_fcs_rport_send_logo_acc(rport); | |
983 | /* | |
984 | * If the lport is online and if the rport is not a well known | |
985 | * address port, we try to re-discover the r-port. | |
986 | */ | |
987 | if (bfa_fcs_port_is_online(rport->port) | |
988 | && (!BFA_FCS_PID_IS_WKA(rport->pid))) { | |
989 | bfa_sm_set_state(rport, | |
990 | bfa_fcs_rport_sm_nsdisc_sending); | |
991 | rport->ns_retries = 0; | |
992 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
993 | } else { | |
994 | /* | |
995 | * if it is not a well known address, reset the pid to | |
996 | * | |
997 | */ | |
998 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
999 | rport->pid = 0; | |
1000 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1001 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1002 | bfa_fcs_rport_timeout, rport, | |
1003 | bfa_fcs_rport_del_timeout); | |
1004 | } | |
1005 | break; | |
1006 | ||
1007 | case RPSM_EVENT_DELETE: | |
1008 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); | |
1009 | break; | |
1010 | ||
1011 | case RPSM_EVENT_LOGO_IMP: | |
1012 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); | |
1013 | break; | |
1014 | ||
1015 | case RPSM_EVENT_LOGO_RCVD: | |
1016 | /** | |
1017 | * Ignore - already processing a LOGO. | |
1018 | */ | |
1019 | break; | |
1020 | ||
1021 | default: | |
e641de37 | 1022 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1023 | } |
1024 | } | |
1025 | ||
1026 | /** | |
1027 | * Rport is being deleted. FC-4s are offline. Awaiting BFA rport offline | |
1028 | * callback to send LOGO. | |
1029 | */ | |
1030 | static void | |
1031 | bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, | |
1032 | enum rport_event event) | |
1033 | { | |
1034 | bfa_trc(rport->fcs, rport->pwwn); | |
1035 | bfa_trc(rport->fcs, rport->pid); | |
1036 | bfa_trc(rport->fcs, event); | |
1037 | ||
1038 | switch (event) { | |
1039 | case RPSM_EVENT_HCB_OFFLINE: | |
1040 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); | |
1041 | bfa_fcs_rport_send_logo(rport, NULL); | |
1042 | break; | |
1043 | ||
1044 | case RPSM_EVENT_LOGO_RCVD: | |
1045 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1046 | break; | |
1047 | ||
1048 | default: | |
e641de37 | 1049 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1050 | } |
1051 | } | |
1052 | ||
1053 | /** | |
1054 | * Rport is being deleted. FC-4s are offline. LOGO is being sent. | |
1055 | */ | |
1056 | static void | |
1057 | bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, | |
1058 | enum rport_event event) | |
1059 | { | |
1060 | bfa_trc(rport->fcs, rport->pwwn); | |
1061 | bfa_trc(rport->fcs, rport->pid); | |
1062 | bfa_trc(rport->fcs, event); | |
1063 | ||
1064 | switch (event) { | |
1065 | case RPSM_EVENT_FCXP_SENT: | |
1066 | /* | |
1067 | * Once LOGO is sent, we donot wait for the response | |
1068 | */ | |
1069 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1070 | bfa_fcs_rport_free(rport); | |
1071 | break; | |
1072 | ||
1073 | case RPSM_EVENT_SCN: | |
1074 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1075 | break; | |
1076 | ||
1077 | case RPSM_EVENT_LOGO_RCVD: | |
1078 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1079 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1080 | bfa_fcs_rport_free(rport); | |
1081 | break; | |
1082 | ||
1083 | default: | |
e641de37 | 1084 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1085 | } |
1086 | } | |
1087 | ||
1088 | /** | |
1089 | * Rport is offline. FC-4s are offline. BFA rport is offline. | |
1090 | * Timer active to delete stale rport. | |
1091 | */ | |
1092 | static void | |
1093 | bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) | |
1094 | { | |
1095 | bfa_trc(rport->fcs, rport->pwwn); | |
1096 | bfa_trc(rport->fcs, rport->pid); | |
1097 | bfa_trc(rport->fcs, event); | |
1098 | ||
1099 | switch (event) { | |
1100 | case RPSM_EVENT_TIMEOUT: | |
1101 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1102 | bfa_fcs_rport_free(rport); | |
1103 | break; | |
1104 | ||
1105 | case RPSM_EVENT_SCN: | |
1106 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1107 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1108 | bfa_timer_stop(&rport->timer); | |
1109 | rport->ns_retries = 0; | |
1110 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
1111 | break; | |
1112 | ||
1113 | case RPSM_EVENT_DELETE: | |
1114 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1115 | bfa_timer_stop(&rport->timer); | |
1116 | bfa_fcs_rport_free(rport); | |
1117 | break; | |
1118 | ||
1119 | case RPSM_EVENT_PLOGI_RCVD: | |
1120 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1121 | bfa_timer_stop(&rport->timer); | |
1122 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1123 | break; | |
1124 | ||
1125 | case RPSM_EVENT_LOGO_RCVD: | |
1126 | case RPSM_EVENT_LOGO_IMP: | |
1127 | break; | |
1128 | ||
1129 | case RPSM_EVENT_PLOGI_COMP: | |
1130 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1131 | bfa_timer_stop(&rport->timer); | |
1132 | bfa_fcs_rport_hal_online(rport); | |
1133 | break; | |
1134 | ||
1135 | case RPSM_EVENT_PLOGI_SEND: | |
1136 | bfa_timer_stop(&rport->timer); | |
1137 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
1138 | rport->plogi_retries = 0; | |
1139 | bfa_fcs_rport_send_plogi(rport, NULL); | |
1140 | break; | |
1141 | ||
1142 | default: | |
e641de37 | 1143 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1144 | } |
1145 | } | |
1146 | ||
1147 | /** | |
1148 | * Rport address has changed. Nameserver discovery request is being sent. | |
1149 | */ | |
1150 | static void | |
1151 | bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, | |
1152 | enum rport_event event) | |
1153 | { | |
1154 | bfa_trc(rport->fcs, rport->pwwn); | |
1155 | bfa_trc(rport->fcs, rport->pid); | |
1156 | bfa_trc(rport->fcs, event); | |
1157 | ||
1158 | switch (event) { | |
1159 | case RPSM_EVENT_FCXP_SENT: | |
1160 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); | |
1161 | break; | |
1162 | ||
1163 | case RPSM_EVENT_DELETE: | |
1164 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1165 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1166 | bfa_fcs_rport_free(rport); | |
1167 | break; | |
1168 | ||
1169 | case RPSM_EVENT_PLOGI_RCVD: | |
1170 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1171 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1172 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1173 | break; | |
1174 | ||
1175 | case RPSM_EVENT_SCN: | |
1176 | case RPSM_EVENT_LOGO_RCVD: | |
1177 | case RPSM_EVENT_PLOGI_SEND: | |
1178 | break; | |
1179 | ||
1180 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1181 | rport->ns_retries = 0; /* reset the retry count */ | |
1182 | break; | |
1183 | ||
1184 | case RPSM_EVENT_LOGO_IMP: | |
1185 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1186 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1187 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1188 | bfa_fcs_rport_timeout, rport, | |
1189 | bfa_fcs_rport_del_timeout); | |
1190 | break; | |
1191 | ||
1192 | case RPSM_EVENT_PLOGI_COMP: | |
1193 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1194 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); | |
1195 | bfa_fcs_rport_hal_online(rport); | |
1196 | break; | |
1197 | ||
1198 | default: | |
e641de37 | 1199 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1200 | } |
1201 | } | |
1202 | ||
1203 | /** | |
1204 | * Nameserver discovery failed. Waiting for timeout to retry. | |
1205 | */ | |
1206 | static void | |
1207 | bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, | |
1208 | enum rport_event event) | |
1209 | { | |
1210 | bfa_trc(rport->fcs, rport->pwwn); | |
1211 | bfa_trc(rport->fcs, rport->pid); | |
1212 | bfa_trc(rport->fcs, event); | |
1213 | ||
1214 | switch (event) { | |
1215 | case RPSM_EVENT_TIMEOUT: | |
1216 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1217 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
1218 | break; | |
1219 | ||
1220 | case RPSM_EVENT_SCN: | |
1221 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1222 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); | |
1223 | bfa_timer_stop(&rport->timer); | |
1224 | rport->ns_retries = 0; | |
1225 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
1226 | break; | |
1227 | ||
1228 | case RPSM_EVENT_DELETE: | |
1229 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1230 | bfa_timer_stop(&rport->timer); | |
1231 | bfa_fcs_rport_free(rport); | |
1232 | break; | |
1233 | ||
1234 | case RPSM_EVENT_PLOGI_RCVD: | |
1235 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1236 | bfa_timer_stop(&rport->timer); | |
1237 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1238 | break; | |
1239 | ||
1240 | case RPSM_EVENT_LOGO_IMP: | |
1241 | rport->pid = 0; | |
1242 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1243 | bfa_timer_stop(&rport->timer); | |
1244 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1245 | bfa_fcs_rport_timeout, rport, | |
1246 | bfa_fcs_rport_del_timeout); | |
1247 | break; | |
1248 | ||
1249 | case RPSM_EVENT_LOGO_RCVD: | |
1250 | bfa_fcs_rport_send_logo_acc(rport); | |
1251 | break; | |
1252 | ||
1253 | case RPSM_EVENT_PLOGI_COMP: | |
1254 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1255 | bfa_timer_stop(&rport->timer); | |
1256 | bfa_fcs_rport_hal_online(rport); | |
1257 | break; | |
1258 | ||
1259 | default: | |
e641de37 | 1260 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1261 | } |
1262 | } | |
1263 | ||
1264 | /** | |
1265 | * Rport address has changed. Nameserver discovery request is sent. | |
1266 | */ | |
1267 | static void | |
1268 | bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, | |
1269 | enum rport_event event) | |
1270 | { | |
1271 | bfa_trc(rport->fcs, rport->pwwn); | |
1272 | bfa_trc(rport->fcs, rport->pid); | |
1273 | bfa_trc(rport->fcs, event); | |
1274 | ||
1275 | switch (event) { | |
1276 | case RPSM_EVENT_ACCEPTED: | |
1277 | case RPSM_EVENT_ADDRESS_CHANGE: | |
1278 | if (rport->pid) { | |
1279 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); | |
1280 | bfa_fcs_rport_send_plogi(rport, NULL); | |
1281 | } else { | |
1282 | bfa_sm_set_state(rport, | |
1283 | bfa_fcs_rport_sm_nsdisc_sending); | |
1284 | rport->ns_retries = 0; | |
1285 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
1286 | } | |
1287 | break; | |
1288 | ||
1289 | case RPSM_EVENT_FAILED: | |
1290 | rport->ns_retries++; | |
1291 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { | |
1292 | bfa_sm_set_state(rport, | |
1293 | bfa_fcs_rport_sm_nsdisc_sending); | |
1294 | bfa_fcs_rport_send_gidpn(rport, NULL); | |
1295 | } else { | |
1296 | rport->pid = 0; | |
1297 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1298 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1299 | bfa_fcs_rport_timeout, rport, | |
1300 | bfa_fcs_rport_del_timeout); | |
1301 | }; | |
1302 | break; | |
1303 | ||
1304 | case RPSM_EVENT_DELETE: | |
1305 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1306 | bfa_fcxp_discard(rport->fcxp); | |
1307 | bfa_fcs_rport_free(rport); | |
1308 | break; | |
1309 | ||
1310 | case RPSM_EVENT_PLOGI_RCVD: | |
1311 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); | |
1312 | bfa_fcxp_discard(rport->fcxp); | |
1313 | bfa_fcs_rport_send_plogiacc(rport, NULL); | |
1314 | break; | |
1315 | ||
1316 | case RPSM_EVENT_LOGO_IMP: | |
1317 | rport->pid = 0; | |
1318 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); | |
1319 | bfa_fcxp_discard(rport->fcxp); | |
1320 | bfa_timer_start(rport->fcs->bfa, &rport->timer, | |
1321 | bfa_fcs_rport_timeout, rport, | |
1322 | bfa_fcs_rport_del_timeout); | |
1323 | break; | |
1324 | ||
1325 | case RPSM_EVENT_SCN: | |
1326 | /** | |
1327 | * ignore, wait for NS query response | |
1328 | */ | |
1329 | break; | |
1330 | ||
1331 | case RPSM_EVENT_LOGO_RCVD: | |
1332 | /** | |
1333 | * Not logged-in yet. Accept LOGO. | |
1334 | */ | |
1335 | bfa_fcs_rport_send_logo_acc(rport); | |
1336 | break; | |
1337 | ||
1338 | case RPSM_EVENT_PLOGI_COMP: | |
1339 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); | |
1340 | bfa_fcxp_discard(rport->fcxp); | |
1341 | bfa_fcs_rport_hal_online(rport); | |
1342 | break; | |
1343 | ||
1344 | default: | |
e641de37 | 1345 | bfa_sm_fault(rport->fcs, event); |
7725ccfd JH |
1346 | } |
1347 | } | |
1348 | ||
1349 | ||
1350 | ||
1351 | /** | |
1352 | * fcs_rport_private FCS RPORT provate functions | |
1353 | */ | |
1354 | ||
1355 | static void | |
1356 | bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1357 | { | |
1358 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1359 | struct bfa_fcs_port_s *port = rport->port; | |
1360 | struct fchs_s fchs; | |
1361 | int len; | |
1362 | struct bfa_fcxp_s *fcxp; | |
1363 | ||
1364 | bfa_trc(rport->fcs, rport->pwwn); | |
1365 | ||
1366 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1367 | if (!fcxp) { | |
1368 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, | |
1369 | bfa_fcs_rport_send_plogi, rport); | |
1370 | return; | |
1371 | } | |
1372 | rport->fcxp = fcxp; | |
1373 | ||
1374 | len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
1375 | bfa_fcs_port_get_fcid(port), 0, | |
1376 | port->port_cfg.pwwn, port->port_cfg.nwwn, | |
1c8a4c37 | 1377 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); |
7725ccfd JH |
1378 | |
1379 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1380 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, | |
1381 | (void *)rport, FC_MAX_PDUSZ, FC_RA_TOV); | |
1382 | ||
1383 | rport->stats.plogis++; | |
1384 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1385 | } | |
1386 | ||
1387 | static void | |
1388 | bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1389 | bfa_status_t req_status, u32 rsp_len, | |
1390 | u32 resid_len, struct fchs_s *rsp_fchs) | |
1391 | { | |
1392 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
1393 | struct fc_logi_s *plogi_rsp; | |
1394 | struct fc_ls_rjt_s *ls_rjt; | |
1395 | struct bfa_fcs_rport_s *twin; | |
1396 | struct list_head *qe; | |
1397 | ||
1398 | bfa_trc(rport->fcs, rport->pwwn); | |
1399 | ||
1400 | /* | |
1401 | * Sanity Checks | |
1402 | */ | |
1403 | if (req_status != BFA_STATUS_OK) { | |
1404 | bfa_trc(rport->fcs, req_status); | |
1405 | rport->stats.plogi_failed++; | |
1406 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1407 | return; | |
1408 | } | |
1409 | ||
1410 | plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1411 | ||
1412 | /** | |
1413 | * Check for failure first. | |
1414 | */ | |
1415 | if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { | |
1416 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1417 | ||
1418 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
1419 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
1420 | ||
1421 | rport->stats.plogi_rejects++; | |
1422 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1423 | return; | |
1424 | } | |
1425 | ||
1426 | /** | |
1427 | * PLOGI is complete. Make sure this device is not one of the known | |
1428 | * device with a new FC port address. | |
1429 | */ | |
1430 | list_for_each(qe, &rport->port->rport_q) { | |
1431 | twin = (struct bfa_fcs_rport_s *)qe; | |
1432 | if (twin == rport) | |
1433 | continue; | |
1434 | if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { | |
1435 | bfa_trc(rport->fcs, twin->pid); | |
1436 | bfa_trc(rport->fcs, rport->pid); | |
1437 | ||
1438 | /* | |
1439 | * Update plogi stats in twin | |
1440 | */ | |
1441 | twin->stats.plogis += rport->stats.plogis; | |
1442 | twin->stats.plogi_rejects += rport->stats.plogi_rejects; | |
1443 | twin->stats.plogi_timeouts += | |
1444 | rport->stats.plogi_timeouts; | |
1445 | twin->stats.plogi_failed += rport->stats.plogi_failed; | |
1446 | twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; | |
1447 | twin->stats.plogi_accs++; | |
1448 | ||
1449 | bfa_fcs_rport_delete(rport); | |
1450 | ||
1451 | bfa_fcs_rport_update(twin, plogi_rsp); | |
1452 | twin->pid = rsp_fchs->s_id; | |
1453 | bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); | |
1454 | return; | |
1455 | } | |
1456 | } | |
1457 | ||
1458 | /** | |
1459 | * Normal login path -- no evil twins. | |
1460 | */ | |
1461 | rport->stats.plogi_accs++; | |
1462 | bfa_fcs_rport_update(rport, plogi_rsp); | |
1463 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1464 | } | |
1465 | ||
1466 | static void | |
1467 | bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1468 | { | |
1469 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1470 | struct bfa_fcs_port_s *port = rport->port; | |
1471 | struct fchs_s fchs; | |
1472 | int len; | |
1473 | struct bfa_fcxp_s *fcxp; | |
1474 | ||
1475 | bfa_trc(rport->fcs, rport->pwwn); | |
1476 | bfa_trc(rport->fcs, rport->reply_oxid); | |
1477 | ||
1478 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1479 | if (!fcxp) { | |
1480 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, | |
1481 | bfa_fcs_rport_send_plogiacc, rport); | |
1482 | return; | |
1483 | } | |
1484 | rport->fcxp = fcxp; | |
1485 | ||
1486 | len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
1487 | bfa_fcs_port_get_fcid(port), rport->reply_oxid, | |
1488 | port->port_cfg.pwwn, port->port_cfg.nwwn, | |
1c8a4c37 | 1489 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); |
7725ccfd JH |
1490 | |
1491 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1492 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | |
1493 | ||
1494 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1495 | } | |
1496 | ||
1497 | static void | |
1498 | bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1499 | { | |
1500 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1501 | struct bfa_fcs_port_s *port = rport->port; | |
1502 | struct fchs_s fchs; | |
1503 | int len; | |
1504 | struct bfa_fcxp_s *fcxp; | |
1505 | ||
1506 | bfa_trc(rport->fcs, rport->pwwn); | |
1507 | ||
1508 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1509 | if (!fcxp) { | |
1510 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, | |
1511 | bfa_fcs_rport_send_adisc, rport); | |
1512 | return; | |
1513 | } | |
1514 | rport->fcxp = fcxp; | |
1515 | ||
1516 | len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
1517 | bfa_fcs_port_get_fcid(port), 0, | |
1518 | port->port_cfg.pwwn, port->port_cfg.nwwn); | |
1519 | ||
1520 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1521 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, | |
1522 | rport, FC_MAX_PDUSZ, FC_RA_TOV); | |
1523 | ||
1524 | rport->stats.adisc_sent++; | |
1525 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1526 | } | |
1527 | ||
1528 | static void | |
1529 | bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1530 | bfa_status_t req_status, u32 rsp_len, | |
1531 | u32 resid_len, struct fchs_s *rsp_fchs) | |
1532 | { | |
1533 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
1534 | void *pld = bfa_fcxp_get_rspbuf(fcxp); | |
1535 | struct fc_ls_rjt_s *ls_rjt; | |
1536 | ||
1537 | if (req_status != BFA_STATUS_OK) { | |
1538 | bfa_trc(rport->fcs, req_status); | |
1539 | rport->stats.adisc_failed++; | |
1540 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1541 | return; | |
1542 | } | |
1543 | ||
1544 | if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, | |
1545 | rport->nwwn) == FC_PARSE_OK) { | |
1546 | rport->stats.adisc_accs++; | |
1547 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1548 | return; | |
1549 | } | |
1550 | ||
1551 | rport->stats.adisc_rejects++; | |
1552 | ls_rjt = pld; | |
1553 | bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); | |
1554 | bfa_trc(rport->fcs, ls_rjt->reason_code); | |
1555 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); | |
1556 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1557 | } | |
1558 | ||
1559 | static void | |
1560 | bfa_fcs_rport_send_gidpn(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1561 | { | |
1562 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1563 | struct bfa_fcs_port_s *port = rport->port; | |
1564 | struct fchs_s fchs; | |
1565 | struct bfa_fcxp_s *fcxp; | |
1566 | int len; | |
1567 | ||
1568 | bfa_trc(rport->fcs, rport->pid); | |
1569 | ||
1570 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1571 | if (!fcxp) { | |
1572 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, | |
1573 | bfa_fcs_rport_send_gidpn, rport); | |
1574 | return; | |
1575 | } | |
1576 | rport->fcxp = fcxp; | |
1577 | ||
1578 | len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1579 | bfa_fcs_port_get_fcid(port), 0, rport->pwwn); | |
1580 | ||
1581 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1582 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_gidpn_response, | |
1583 | (void *)rport, FC_MAX_PDUSZ, FC_RA_TOV); | |
1584 | ||
1585 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1586 | } | |
1587 | ||
1588 | static void | |
1589 | bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, | |
1590 | bfa_status_t req_status, u32 rsp_len, | |
1591 | u32 resid_len, struct fchs_s *rsp_fchs) | |
1592 | { | |
1593 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
1594 | struct bfa_fcs_rport_s *twin; | |
1595 | struct list_head *qe; | |
1596 | struct ct_hdr_s *cthdr; | |
1597 | struct fcgs_gidpn_resp_s *gidpn_rsp; | |
1598 | ||
1599 | bfa_trc(rport->fcs, rport->pwwn); | |
1600 | ||
1601 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1602 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
1603 | ||
1604 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
1605 | /* | |
1606 | * Check if the pid is the same as before. | |
1607 | */ | |
1608 | gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); | |
1609 | ||
1610 | if (gidpn_rsp->dap == rport->pid) { | |
1611 | /* | |
1612 | * Device is online | |
1613 | */ | |
1614 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); | |
1615 | } else { | |
1616 | /* | |
1617 | * Device's PID has changed. We need to cleanup and | |
1618 | * re-login. If there is another device with the the | |
1619 | * newly discovered pid, send an scn notice so that its | |
1620 | * new pid can be discovered. | |
1621 | */ | |
1622 | list_for_each(qe, &rport->port->rport_q) { | |
1623 | twin = (struct bfa_fcs_rport_s *)qe; | |
1624 | if (twin == rport) | |
1625 | continue; | |
1626 | if (gidpn_rsp->dap == twin->pid) { | |
1627 | bfa_trc(rport->fcs, twin->pid); | |
1628 | bfa_trc(rport->fcs, rport->pid); | |
1629 | ||
1630 | twin->pid = 0; | |
1631 | bfa_sm_send_event(twin, | |
1632 | RPSM_EVENT_ADDRESS_CHANGE); | |
1633 | } | |
1634 | } | |
1635 | rport->pid = gidpn_rsp->dap; | |
1636 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); | |
1637 | } | |
1638 | return; | |
1639 | } | |
1640 | ||
1641 | /* | |
1642 | * Reject Response | |
1643 | */ | |
1644 | switch (cthdr->reason_code) { | |
1645 | case CT_RSN_LOGICAL_BUSY: | |
1646 | /* | |
1647 | * Need to retry | |
1648 | */ | |
1649 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); | |
1650 | break; | |
1651 | ||
1652 | case CT_RSN_UNABLE_TO_PERF: | |
1653 | /* | |
1654 | * device doesn't exist : Start timer to cleanup this later. | |
1655 | */ | |
1656 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1657 | break; | |
1658 | ||
1659 | default: | |
1660 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); | |
1661 | break; | |
1662 | } | |
1663 | } | |
1664 | ||
1665 | /** | |
1666 | * Called to send a logout to the rport. | |
1667 | */ | |
1668 | static void | |
1669 | bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1670 | { | |
1671 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1672 | struct bfa_fcs_port_s *port; | |
1673 | struct fchs_s fchs; | |
1674 | struct bfa_fcxp_s *fcxp; | |
1675 | u16 len; | |
1676 | ||
1677 | bfa_trc(rport->fcs, rport->pid); | |
1678 | ||
1679 | port = rport->port; | |
1680 | ||
1681 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1682 | if (!fcxp) { | |
1683 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, | |
1684 | bfa_fcs_rport_send_logo, rport); | |
1685 | return; | |
1686 | } | |
1687 | rport->fcxp = fcxp; | |
1688 | ||
1689 | len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
1690 | bfa_fcs_port_get_fcid(port), 0, | |
1691 | bfa_fcs_port_get_pwwn(port)); | |
1692 | ||
1693 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1694 | FC_CLASS_3, len, &fchs, NULL, rport, FC_MAX_PDUSZ, | |
1695 | FC_ED_TOV); | |
1696 | ||
1697 | rport->stats.logos++; | |
1698 | bfa_fcxp_discard(rport->fcxp); | |
1699 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); | |
1700 | } | |
1701 | ||
1702 | /** | |
1703 | * Send ACC for a LOGO received. | |
1704 | */ | |
1705 | static void | |
1706 | bfa_fcs_rport_send_logo_acc(void *rport_cbarg) | |
1707 | { | |
1708 | struct bfa_fcs_rport_s *rport = rport_cbarg; | |
1709 | struct bfa_fcs_port_s *port; | |
1710 | struct fchs_s fchs; | |
1711 | struct bfa_fcxp_s *fcxp; | |
1712 | u16 len; | |
1713 | ||
1714 | bfa_trc(rport->fcs, rport->pid); | |
1715 | ||
1716 | port = rport->port; | |
1717 | ||
1718 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1719 | if (!fcxp) | |
1720 | return; | |
1721 | ||
1722 | rport->stats.logo_rcvd++; | |
1723 | len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, | |
1724 | bfa_fcs_port_get_fcid(port), rport->reply_oxid); | |
1725 | ||
1726 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1727 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | |
1728 | } | |
1729 | ||
1730 | /** | |
1731 | * This routine will be called by bfa_timer on timer timeouts. | |
1732 | * | |
1733 | * param[in] rport - pointer to bfa_fcs_port_ns_t. | |
1734 | * param[out] rport_status - pointer to return vport status in | |
1735 | * | |
1736 | * return | |
1737 | * void | |
1738 | * | |
1739 | * Special Considerations: | |
1740 | * | |
1741 | * note | |
1742 | */ | |
1743 | static void | |
1744 | bfa_fcs_rport_timeout(void *arg) | |
1745 | { | |
1746 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)arg; | |
1747 | ||
1748 | rport->stats.plogi_timeouts++; | |
1749 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); | |
1750 | } | |
1751 | ||
1752 | static void | |
1753 | bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, | |
1754 | struct fchs_s *rx_fchs, u16 len) | |
1755 | { | |
1756 | struct bfa_fcxp_s *fcxp; | |
1757 | struct fchs_s fchs; | |
1758 | struct bfa_fcs_port_s *port = rport->port; | |
1759 | struct fc_prli_s *prli; | |
1760 | ||
1761 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1762 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1763 | ||
1764 | rport->stats.prli_rcvd++; | |
1765 | ||
1766 | if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) { | |
1767 | /* | |
1768 | * Target Mode : Let the fcptm handle it | |
1769 | */ | |
1770 | bfa_fcs_tin_rx_prli(rport->tin, rx_fchs, len); | |
1771 | return; | |
1772 | } | |
1773 | ||
1774 | /* | |
1775 | * We are either in Initiator or ipfc Mode | |
1776 | */ | |
1777 | prli = (struct fc_prli_s *) (rx_fchs + 1); | |
1778 | ||
1779 | if (prli->parampage.servparams.initiator) { | |
1780 | bfa_trc(rport->fcs, prli->parampage.type); | |
1781 | rport->scsi_function = BFA_RPORT_INITIATOR; | |
1782 | bfa_fcs_itnim_is_initiator(rport->itnim); | |
1783 | } else { | |
1784 | /* | |
1785 | * @todo: PRLI from a target ? | |
1786 | */ | |
1787 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1788 | rport->scsi_function = BFA_RPORT_TARGET; | |
1789 | } | |
1790 | ||
1791 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1792 | if (!fcxp) | |
1793 | return; | |
1794 | ||
1795 | len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, | |
1796 | bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, | |
1797 | port->port_cfg.roles); | |
1798 | ||
1799 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1800 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | |
1801 | } | |
1802 | ||
1803 | static void | |
1804 | bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, | |
1805 | struct fchs_s *rx_fchs, u16 len) | |
1806 | { | |
1807 | struct bfa_fcxp_s *fcxp; | |
1808 | struct fchs_s fchs; | |
1809 | struct bfa_fcs_port_s *port = rport->port; | |
1810 | struct fc_rpsc_speed_info_s speeds; | |
1811 | struct bfa_pport_attr_s pport_attr; | |
1812 | ||
1813 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1814 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1815 | ||
1816 | rport->stats.rpsc_rcvd++; | |
1817 | speeds.port_speed_cap = | |
1818 | RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | | |
1819 | RPSC_SPEED_CAP_8G; | |
1820 | ||
1821 | /* | |
1822 | * get curent speed from pport attributes from BFA | |
1823 | */ | |
1c8a4c37 | 1824 | bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); |
7725ccfd JH |
1825 | |
1826 | speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); | |
1827 | ||
1828 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1829 | if (!fcxp) | |
1830 | return; | |
1831 | ||
1832 | len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, | |
1833 | bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, | |
1834 | &speeds); | |
1835 | ||
1836 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1837 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | |
1838 | } | |
1839 | ||
1840 | static void | |
1841 | bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, | |
1842 | struct fchs_s *rx_fchs, u16 len) | |
1843 | { | |
1844 | struct bfa_fcxp_s *fcxp; | |
1845 | struct fchs_s fchs; | |
1846 | struct bfa_fcs_port_s *port = rport->port; | |
1847 | struct fc_adisc_s *adisc; | |
1848 | ||
1849 | bfa_trc(port->fcs, rx_fchs->s_id); | |
1850 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1851 | ||
1852 | rport->stats.adisc_rcvd++; | |
1853 | ||
1854 | if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) { | |
1855 | /* | |
1856 | * @todo : Target Mode handling | |
1857 | */ | |
1858 | bfa_trc(port->fcs, rx_fchs->d_id); | |
1859 | bfa_assert(0); | |
1860 | return; | |
1861 | } | |
1862 | ||
1863 | adisc = (struct fc_adisc_s *) (rx_fchs + 1); | |
1864 | ||
1865 | /* | |
1866 | * Accept if the itnim for this rport is online. Else reject the ADISC | |
1867 | */ | |
1868 | if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { | |
1869 | ||
1870 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
1871 | if (!fcxp) | |
1872 | return; | |
1873 | ||
1874 | len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
1875 | rx_fchs->s_id, | |
1876 | bfa_fcs_port_get_fcid(port), | |
1877 | rx_fchs->ox_id, port->port_cfg.pwwn, | |
1878 | port->port_cfg.nwwn); | |
1879 | ||
1880 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, | |
1881 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, | |
1882 | FC_MAX_PDUSZ, 0); | |
1883 | } else { | |
1884 | rport->stats.adisc_rejected++; | |
1885 | bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, | |
1886 | FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, | |
1887 | FC_LS_RJT_EXP_LOGIN_REQUIRED); | |
1888 | } | |
1889 | ||
1890 | } | |
1891 | ||
1892 | static void | |
1893 | bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) | |
1894 | { | |
1895 | struct bfa_fcs_port_s *port = rport->port; | |
1896 | struct bfa_rport_info_s rport_info; | |
1897 | ||
1898 | rport_info.pid = rport->pid; | |
1899 | rport_info.local_pid = port->pid; | |
1900 | rport_info.lp_tag = port->lp_tag; | |
1901 | rport_info.vf_id = port->fabric->vf_id; | |
1902 | rport_info.vf_en = port->fabric->is_vf; | |
1903 | rport_info.fc_class = rport->fc_cos; | |
1904 | rport_info.cisc = rport->cisc; | |
1905 | rport_info.max_frmsz = rport->maxfrsize; | |
1906 | bfa_rport_online(rport->bfa_rport, &rport_info); | |
1907 | } | |
1908 | ||
1909 | static void | |
1910 | bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport) | |
1911 | { | |
1912 | if (bfa_fcs_port_is_initiator(rport->port)) | |
1913 | bfa_fcs_itnim_pause(rport->itnim); | |
1914 | ||
1915 | if (bfa_fcs_port_is_target(rport->port)) | |
1916 | bfa_fcs_tin_pause(rport->tin); | |
1917 | } | |
1918 | ||
1919 | static void | |
1920 | bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport) | |
1921 | { | |
1922 | if (bfa_fcs_port_is_initiator(rport->port)) | |
1923 | bfa_fcs_itnim_resume(rport->itnim); | |
1924 | ||
1925 | if (bfa_fcs_port_is_target(rport->port)) | |
1926 | bfa_fcs_tin_resume(rport->tin); | |
1927 | } | |
1928 | ||
1929 | static struct bfa_fcs_rport_s * | |
1930 | bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, wwn_t pwwn, u32 rpid) | |
1931 | { | |
1932 | struct bfa_fcs_s *fcs = port->fcs; | |
1933 | struct bfa_fcs_rport_s *rport; | |
1934 | struct bfad_rport_s *rport_drv; | |
1935 | ||
1936 | /** | |
1937 | * allocate rport | |
1938 | */ | |
1939 | if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) | |
1940 | != BFA_STATUS_OK) { | |
1941 | bfa_trc(fcs, rpid); | |
1942 | return NULL; | |
1943 | } | |
1944 | ||
1945 | /* | |
1946 | * Initialize r-port | |
1947 | */ | |
1948 | rport->port = port; | |
1949 | rport->fcs = fcs; | |
1950 | rport->rp_drv = rport_drv; | |
1951 | rport->pid = rpid; | |
1952 | rport->pwwn = pwwn; | |
1953 | ||
1954 | /** | |
1955 | * allocate BFA rport | |
1956 | */ | |
1957 | rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); | |
1958 | if (!rport->bfa_rport) { | |
1959 | bfa_trc(fcs, rpid); | |
1960 | kfree(rport_drv); | |
1961 | return NULL; | |
1962 | } | |
1963 | ||
1964 | /** | |
1965 | * allocate FC-4s | |
1966 | */ | |
1967 | bfa_assert(bfa_fcs_port_is_initiator(port) ^ | |
1968 | bfa_fcs_port_is_target(port)); | |
1969 | ||
1970 | if (bfa_fcs_port_is_initiator(port)) { | |
1971 | rport->itnim = bfa_fcs_itnim_create(rport); | |
1972 | if (!rport->itnim) { | |
1973 | bfa_trc(fcs, rpid); | |
1974 | bfa_rport_delete(rport->bfa_rport); | |
1975 | kfree(rport_drv); | |
1976 | return NULL; | |
1977 | } | |
1978 | } | |
1979 | ||
1980 | if (bfa_fcs_port_is_target(port)) { | |
1981 | rport->tin = bfa_fcs_tin_create(rport); | |
1982 | if (!rport->tin) { | |
1983 | bfa_trc(fcs, rpid); | |
1984 | bfa_rport_delete(rport->bfa_rport); | |
1985 | kfree(rport_drv); | |
1986 | return NULL; | |
1987 | } | |
1988 | } | |
1989 | ||
1990 | bfa_fcs_port_add_rport(port, rport); | |
1991 | ||
1992 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); | |
1993 | ||
1994 | /* | |
1995 | * Initialize the Rport Features(RPF) Sub Module | |
1996 | */ | |
1997 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
1998 | bfa_fcs_rpf_init(rport); | |
1999 | ||
2000 | return rport; | |
2001 | } | |
2002 | ||
2003 | ||
2004 | static void | |
2005 | bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) | |
2006 | { | |
2007 | struct bfa_fcs_port_s *port = rport->port; | |
2008 | ||
2009 | /** | |
2010 | * - delete FC-4s | |
2011 | * - delete BFA rport | |
2012 | * - remove from queue of rports | |
2013 | */ | |
2014 | if (bfa_fcs_port_is_initiator(port)) | |
2015 | bfa_fcs_itnim_delete(rport->itnim); | |
2016 | ||
2017 | if (bfa_fcs_port_is_target(port)) | |
2018 | bfa_fcs_tin_delete(rport->tin); | |
2019 | ||
2020 | bfa_rport_delete(rport->bfa_rport); | |
2021 | bfa_fcs_port_del_rport(port, rport); | |
2022 | kfree(rport->rp_drv); | |
2023 | } | |
2024 | ||
2025 | static void | |
2026 | bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport, | |
2027 | enum bfa_rport_aen_event event, | |
2028 | struct bfa_rport_aen_data_s *data) | |
2029 | { | |
2030 | union bfa_aen_data_u aen_data; | |
2031 | struct bfa_log_mod_s *logmod = rport->fcs->logm; | |
2032 | wwn_t lpwwn = bfa_fcs_port_get_pwwn(rport->port); | |
2033 | wwn_t rpwwn = rport->pwwn; | |
2034 | char lpwwn_ptr[BFA_STRING_32]; | |
2035 | char rpwwn_ptr[BFA_STRING_32]; | |
2036 | char *prio_str[] = { "unknown", "high", "medium", "low" }; | |
2037 | ||
2038 | wwn2str(lpwwn_ptr, lpwwn); | |
2039 | wwn2str(rpwwn_ptr, rpwwn); | |
2040 | ||
2041 | switch (event) { | |
2042 | case BFA_RPORT_AEN_ONLINE: | |
7725ccfd | 2043 | case BFA_RPORT_AEN_OFFLINE: |
7725ccfd | 2044 | case BFA_RPORT_AEN_DISCONNECT: |
0a4b1fc0 KG |
2045 | bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_RPORT, event), |
2046 | rpwwn_ptr, lpwwn_ptr); | |
7725ccfd JH |
2047 | break; |
2048 | case BFA_RPORT_AEN_QOS_PRIO: | |
2049 | aen_data.rport.priv.qos = data->priv.qos; | |
2050 | bfa_log(logmod, BFA_AEN_RPORT_QOS_PRIO, | |
2051 | prio_str[aen_data.rport.priv.qos.qos_priority], | |
2052 | rpwwn_ptr, lpwwn_ptr); | |
2053 | break; | |
2054 | case BFA_RPORT_AEN_QOS_FLOWID: | |
2055 | aen_data.rport.priv.qos = data->priv.qos; | |
2056 | bfa_log(logmod, BFA_AEN_RPORT_QOS_FLOWID, | |
2057 | aen_data.rport.priv.qos.qos_flow_id, rpwwn_ptr, | |
2058 | lpwwn_ptr); | |
2059 | break; | |
2060 | default: | |
2061 | break; | |
2062 | } | |
2063 | ||
2064 | aen_data.rport.vf_id = rport->port->fabric->vf_id; | |
2065 | aen_data.rport.ppwwn = | |
2066 | bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(rport->fcs)); | |
2067 | aen_data.rport.lpwwn = lpwwn; | |
2068 | aen_data.rport.rpwwn = rpwwn; | |
2069 | } | |
2070 | ||
2071 | static void | |
2072 | bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) | |
2073 | { | |
2074 | struct bfa_fcs_port_s *port = rport->port; | |
2075 | ||
2076 | rport->stats.onlines++; | |
2077 | ||
2078 | if (bfa_fcs_port_is_initiator(port)) { | |
2079 | bfa_fcs_itnim_rport_online(rport->itnim); | |
2080 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2081 | bfa_fcs_rpf_rport_online(rport); | |
2082 | }; | |
2083 | ||
2084 | if (bfa_fcs_port_is_target(port)) | |
2085 | bfa_fcs_tin_rport_online(rport->tin); | |
2086 | ||
2087 | /* | |
2088 | * Don't post events for well known addresses | |
2089 | */ | |
2090 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2091 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL); | |
2092 | } | |
2093 | ||
2094 | static void | |
2095 | bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) | |
2096 | { | |
2097 | struct bfa_fcs_port_s *port = rport->port; | |
2098 | ||
2099 | rport->stats.offlines++; | |
2100 | ||
2101 | /* | |
2102 | * Don't post events for well known addresses | |
2103 | */ | |
2104 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) { | |
2105 | if (bfa_fcs_port_is_online(rport->port) == BFA_TRUE) { | |
2106 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_DISCONNECT, | |
2107 | NULL); | |
2108 | } else { | |
2109 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_OFFLINE, | |
2110 | NULL); | |
2111 | } | |
2112 | } | |
2113 | ||
2114 | if (bfa_fcs_port_is_initiator(port)) { | |
2115 | bfa_fcs_itnim_rport_offline(rport->itnim); | |
2116 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) | |
2117 | bfa_fcs_rpf_rport_offline(rport); | |
2118 | } | |
2119 | ||
2120 | if (bfa_fcs_port_is_target(port)) | |
2121 | bfa_fcs_tin_rport_offline(rport->tin); | |
2122 | } | |
2123 | ||
2124 | /** | |
2125 | * Update rport parameters from PLOGI or PLOGI accept. | |
2126 | */ | |
2127 | static void | |
2128 | bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) | |
2129 | { | |
2130 | struct bfa_fcs_port_s *port = rport->port; | |
2131 | ||
2132 | /** | |
2133 | * - port name | |
2134 | * - node name | |
2135 | */ | |
2136 | rport->pwwn = plogi->port_name; | |
2137 | rport->nwwn = plogi->node_name; | |
2138 | ||
2139 | /** | |
2140 | * - class of service | |
2141 | */ | |
2142 | rport->fc_cos = 0; | |
2143 | if (plogi->class3.class_valid) | |
2144 | rport->fc_cos = FC_CLASS_3; | |
2145 | ||
2146 | if (plogi->class2.class_valid) | |
2147 | rport->fc_cos |= FC_CLASS_2; | |
2148 | ||
2149 | /** | |
2150 | * - CISC | |
2151 | * - MAX receive frame size | |
2152 | */ | |
2153 | rport->cisc = plogi->csp.cisc; | |
2154 | rport->maxfrsize = bfa_os_ntohs(plogi->class3.rxsz); | |
2155 | ||
2156 | bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred)); | |
2157 | bfa_trc(port->fcs, port->fabric->bb_credit); | |
2158 | /** | |
2159 | * Direct Attach P2P mode : | |
2160 | * This is to handle a bug (233476) in IBM targets in Direct Attach | |
2161 | * Mode. Basically, in FLOGI Accept the target would have erroneously | |
2162 | * set the BB Credit to the value used in the FLOGI sent by the HBA. | |
2163 | * It uses the correct value (its own BB credit) in PLOGI. | |
2164 | */ | |
2165 | if ((!bfa_fcs_fabric_is_switched(port->fabric)) | |
2166 | && (bfa_os_ntohs(plogi->csp.bbcred) < port->fabric->bb_credit)) { | |
2167 | ||
2168 | bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred)); | |
2169 | bfa_trc(port->fcs, port->fabric->bb_credit); | |
2170 | ||
2171 | port->fabric->bb_credit = bfa_os_ntohs(plogi->csp.bbcred); | |
1c8a4c37 | 2172 | bfa_fcport_set_tx_bbcredit(port->fcs->bfa, |
7725ccfd JH |
2173 | port->fabric->bb_credit); |
2174 | } | |
2175 | ||
2176 | } | |
2177 | ||
2178 | /** | |
2179 | * Called to handle LOGO received from an existing remote port. | |
2180 | */ | |
2181 | static void | |
2182 | bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) | |
2183 | { | |
2184 | rport->reply_oxid = fchs->ox_id; | |
2185 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2186 | ||
2187 | rport->stats.logo_rcvd++; | |
2188 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); | |
2189 | } | |
2190 | ||
2191 | ||
2192 | ||
2193 | /** | |
2194 | * fcs_rport_public FCS rport public interfaces | |
2195 | */ | |
2196 | ||
2197 | /** | |
2198 | * Called by bport/vport to create a remote port instance for a discovered | |
2199 | * remote device. | |
2200 | * | |
2201 | * @param[in] port - base port or vport | |
2202 | * @param[in] rpid - remote port ID | |
2203 | * | |
2204 | * @return None | |
2205 | */ | |
2206 | struct bfa_fcs_rport_s * | |
2207 | bfa_fcs_rport_create(struct bfa_fcs_port_s *port, u32 rpid) | |
2208 | { | |
2209 | struct bfa_fcs_rport_s *rport; | |
2210 | ||
2211 | bfa_trc(port->fcs, rpid); | |
2212 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); | |
2213 | if (!rport) | |
2214 | return NULL; | |
2215 | ||
2216 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); | |
2217 | return rport; | |
2218 | } | |
2219 | ||
2220 | /** | |
2221 | * Called to create a rport for which only the wwn is known. | |
2222 | * | |
2223 | * @param[in] port - base port | |
2224 | * @param[in] rpwwn - remote port wwn | |
2225 | * | |
2226 | * @return None | |
2227 | */ | |
2228 | struct bfa_fcs_rport_s * | |
2229 | bfa_fcs_rport_create_by_wwn(struct bfa_fcs_port_s *port, wwn_t rpwwn) | |
2230 | { | |
2231 | struct bfa_fcs_rport_s *rport; | |
2232 | ||
2233 | bfa_trc(port->fcs, rpwwn); | |
2234 | rport = bfa_fcs_rport_alloc(port, rpwwn, 0); | |
2235 | if (!rport) | |
2236 | return NULL; | |
2237 | ||
2238 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); | |
2239 | return rport; | |
2240 | } | |
2241 | ||
2242 | /** | |
2243 | * Called by bport in private loop topology to indicate that a | |
2244 | * rport has been discovered and plogi has been completed. | |
2245 | * | |
2246 | * @param[in] port - base port or vport | |
2247 | * @param[in] rpid - remote port ID | |
2248 | */ | |
2249 | void | |
2250 | bfa_fcs_rport_start(struct bfa_fcs_port_s *port, struct fchs_s *fchs, | |
2251 | struct fc_logi_s *plogi) | |
2252 | { | |
2253 | struct bfa_fcs_rport_s *rport; | |
2254 | ||
2255 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); | |
2256 | if (!rport) | |
2257 | return; | |
2258 | ||
2259 | bfa_fcs_rport_update(rport, plogi); | |
2260 | ||
2261 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); | |
2262 | } | |
2263 | ||
2264 | /** | |
2265 | * Called by bport/vport to handle PLOGI received from a new remote port. | |
2266 | * If an existing rport does a plogi, it will be handled separately. | |
2267 | */ | |
2268 | void | |
2269 | bfa_fcs_rport_plogi_create(struct bfa_fcs_port_s *port, struct fchs_s *fchs, | |
2270 | struct fc_logi_s *plogi) | |
2271 | { | |
2272 | struct bfa_fcs_rport_s *rport; | |
2273 | ||
2274 | rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); | |
2275 | if (!rport) | |
2276 | return; | |
2277 | ||
2278 | bfa_fcs_rport_update(rport, plogi); | |
2279 | ||
2280 | rport->reply_oxid = fchs->ox_id; | |
2281 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2282 | ||
2283 | rport->stats.plogi_rcvd++; | |
2284 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); | |
2285 | } | |
2286 | ||
2287 | static int | |
2288 | wwn_compare(wwn_t wwn1, wwn_t wwn2) | |
2289 | { | |
2290 | u8 *b1 = (u8 *) &wwn1; | |
2291 | u8 *b2 = (u8 *) &wwn2; | |
2292 | int i; | |
2293 | ||
2294 | for (i = 0; i < sizeof(wwn_t); i++) { | |
2295 | if (b1[i] < b2[i]) | |
2296 | return -1; | |
2297 | if (b1[i] > b2[i]) | |
2298 | return 1; | |
2299 | } | |
2300 | return 0; | |
2301 | } | |
2302 | ||
2303 | /** | |
2304 | * Called by bport/vport to handle PLOGI received from an existing | |
2305 | * remote port. | |
2306 | */ | |
2307 | void | |
2308 | bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, | |
2309 | struct fc_logi_s *plogi) | |
2310 | { | |
2311 | /** | |
2312 | * @todo Handle P2P and initiator-initiator. | |
2313 | */ | |
2314 | ||
2315 | bfa_fcs_rport_update(rport, plogi); | |
2316 | ||
2317 | rport->reply_oxid = rx_fchs->ox_id; | |
2318 | bfa_trc(rport->fcs, rport->reply_oxid); | |
2319 | ||
2320 | /** | |
2321 | * In Switched fabric topology, | |
2322 | * PLOGI to each other. If our pwwn is smaller, ignore it, | |
2323 | * if it is not a well known address. | |
2324 | * If the link topology is N2N, | |
2325 | * this Plogi should be accepted. | |
2326 | */ | |
2327 | if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1) | |
2328 | && (bfa_fcs_fabric_is_switched(rport->port->fabric)) | |
2329 | && (!BFA_FCS_PID_IS_WKA(rport->pid))) { | |
2330 | bfa_trc(rport->fcs, rport->pid); | |
2331 | return; | |
2332 | } | |
2333 | ||
2334 | rport->stats.plogi_rcvd++; | |
2335 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); | |
2336 | } | |
2337 | ||
2338 | /** | |
2339 | * Called by bport/vport to delete a remote port instance. | |
2340 | * | |
2341 | * Rport delete is called under the following conditions: | |
2342 | * - vport is deleted | |
2343 | * - vf is deleted | |
2344 | * - explicit request from OS to delete rport (vmware) | |
2345 | */ | |
2346 | void | |
2347 | bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport) | |
2348 | { | |
2349 | bfa_sm_send_event(rport, RPSM_EVENT_DELETE); | |
2350 | } | |
2351 | ||
2352 | /** | |
2353 | * Called by bport/vport to when a target goes offline. | |
2354 | * | |
2355 | */ | |
2356 | void | |
2357 | bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport) | |
2358 | { | |
2359 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); | |
2360 | } | |
2361 | ||
2362 | /** | |
2363 | * Called by bport in n2n when a target (attached port) becomes online. | |
2364 | * | |
2365 | */ | |
2366 | void | |
2367 | bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport) | |
2368 | { | |
2369 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); | |
2370 | } | |
2371 | ||
2372 | /** | |
2373 | * Called by bport/vport to notify SCN for the remote port | |
2374 | */ | |
2375 | void | |
2376 | bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) | |
2377 | { | |
2378 | ||
2379 | rport->stats.rscns++; | |
2380 | bfa_sm_send_event(rport, RPSM_EVENT_SCN); | |
2381 | } | |
2382 | ||
2383 | /** | |
2384 | * Called by fcpim to notify that the ITN cleanup is done. | |
2385 | */ | |
2386 | void | |
2387 | bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport) | |
2388 | { | |
2389 | bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); | |
2390 | } | |
2391 | ||
2392 | /** | |
2393 | * Called by fcptm to notify that the ITN cleanup is done. | |
2394 | */ | |
2395 | void | |
2396 | bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport) | |
2397 | { | |
2398 | bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); | |
2399 | } | |
2400 | ||
2401 | /** | |
2402 | * This routine BFA callback for bfa_rport_online() call. | |
2403 | * | |
2404 | * param[in] cb_arg - rport struct. | |
2405 | * | |
2406 | * return | |
2407 | * void | |
2408 | * | |
2409 | * Special Considerations: | |
2410 | * | |
2411 | * note | |
2412 | */ | |
2413 | void | |
2414 | bfa_cb_rport_online(void *cbarg) | |
2415 | { | |
2416 | ||
2417 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
2418 | ||
2419 | bfa_trc(rport->fcs, rport->pwwn); | |
2420 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); | |
2421 | } | |
2422 | ||
2423 | /** | |
2424 | * This routine BFA callback for bfa_rport_offline() call. | |
2425 | * | |
2426 | * param[in] rport - | |
2427 | * | |
2428 | * return | |
2429 | * void | |
2430 | * | |
2431 | * Special Considerations: | |
2432 | * | |
2433 | * note | |
2434 | */ | |
2435 | void | |
2436 | bfa_cb_rport_offline(void *cbarg) | |
2437 | { | |
2438 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
2439 | ||
2440 | bfa_trc(rport->fcs, rport->pwwn); | |
2441 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); | |
2442 | } | |
2443 | ||
2444 | /** | |
2445 | * This routine is a static BFA callback when there is a QoS flow_id | |
2446 | * change notification | |
2447 | * | |
2448 | * @param[in] rport - | |
2449 | * | |
2450 | * @return void | |
2451 | * | |
2452 | * Special Considerations: | |
2453 | * | |
2454 | * @note | |
2455 | */ | |
2456 | void | |
2457 | bfa_cb_rport_qos_scn_flowid(void *cbarg, | |
2458 | struct bfa_rport_qos_attr_s old_qos_attr, | |
2459 | struct bfa_rport_qos_attr_s new_qos_attr) | |
2460 | { | |
2461 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
2462 | struct bfa_rport_aen_data_s aen_data; | |
2463 | ||
2464 | bfa_trc(rport->fcs, rport->pwwn); | |
2465 | aen_data.priv.qos = new_qos_attr; | |
2466 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data); | |
2467 | } | |
2468 | ||
2469 | /** | |
2470 | * This routine is a static BFA callback when there is a QoS priority | |
2471 | * change notification | |
2472 | * | |
2473 | * @param[in] rport - | |
2474 | * | |
2475 | * @return void | |
2476 | * | |
2477 | * Special Considerations: | |
2478 | * | |
2479 | * @note | |
2480 | */ | |
2481 | void | |
2482 | bfa_cb_rport_qos_scn_prio(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr, | |
2483 | struct bfa_rport_qos_attr_s new_qos_attr) | |
2484 | { | |
2485 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; | |
2486 | struct bfa_rport_aen_data_s aen_data; | |
2487 | ||
2488 | bfa_trc(rport->fcs, rport->pwwn); | |
2489 | aen_data.priv.qos = new_qos_attr; | |
2490 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data); | |
2491 | } | |
2492 | ||
2493 | /** | |
2494 | * Called to process any unsolicted frames from this remote port | |
2495 | */ | |
2496 | void | |
2497 | bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport) | |
2498 | { | |
2499 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); | |
2500 | } | |
2501 | ||
2502 | /** | |
2503 | * Called to process any unsolicted frames from this remote port | |
2504 | */ | |
2505 | void | |
2506 | bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, | |
2507 | u16 len) | |
2508 | { | |
2509 | struct bfa_fcs_port_s *port = rport->port; | |
2510 | struct fc_els_cmd_s *els_cmd; | |
2511 | ||
2512 | bfa_trc(rport->fcs, fchs->s_id); | |
2513 | bfa_trc(rport->fcs, fchs->d_id); | |
2514 | bfa_trc(rport->fcs, fchs->type); | |
2515 | ||
2516 | if (fchs->type != FC_TYPE_ELS) | |
2517 | return; | |
2518 | ||
2519 | els_cmd = (struct fc_els_cmd_s *) (fchs + 1); | |
2520 | ||
2521 | bfa_trc(rport->fcs, els_cmd->els_code); | |
2522 | ||
2523 | switch (els_cmd->els_code) { | |
2524 | case FC_ELS_LOGO: | |
2525 | bfa_fcs_rport_process_logo(rport, fchs); | |
2526 | break; | |
2527 | ||
2528 | case FC_ELS_ADISC: | |
2529 | bfa_fcs_rport_process_adisc(rport, fchs, len); | |
2530 | break; | |
2531 | ||
2532 | case FC_ELS_PRLO: | |
2533 | if (bfa_fcs_port_is_initiator(port)) | |
2534 | bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); | |
2535 | ||
2536 | if (bfa_fcs_port_is_target(port)) | |
2537 | bfa_fcs_fcptm_uf_recv(rport->tin, fchs, len); | |
2538 | break; | |
2539 | ||
2540 | case FC_ELS_PRLI: | |
2541 | bfa_fcs_rport_process_prli(rport, fchs, len); | |
2542 | break; | |
2543 | ||
2544 | case FC_ELS_RPSC: | |
2545 | bfa_fcs_rport_process_rpsc(rport, fchs, len); | |
2546 | break; | |
2547 | ||
2548 | default: | |
2549 | bfa_fcs_rport_send_ls_rjt(rport, fchs, | |
2550 | FC_LS_RJT_RSN_CMD_NOT_SUPP, | |
2551 | FC_LS_RJT_EXP_NO_ADDL_INFO); | |
2552 | break; | |
2553 | } | |
2554 | } | |
2555 | ||
2556 | /* | |
2557 | * Send a LS reject | |
2558 | */ | |
2559 | static void | |
2560 | bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, | |
2561 | u8 reason_code, u8 reason_code_expl) | |
2562 | { | |
2563 | struct bfa_fcs_port_s *port = rport->port; | |
2564 | struct fchs_s fchs; | |
2565 | struct bfa_fcxp_s *fcxp; | |
2566 | int len; | |
2567 | ||
2568 | bfa_trc(rport->fcs, rx_fchs->s_id); | |
2569 | ||
2570 | fcxp = bfa_fcs_fcxp_alloc(rport->fcs); | |
2571 | if (!fcxp) | |
2572 | return; | |
2573 | ||
2574 | len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, | |
2575 | bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, | |
2576 | reason_code, reason_code_expl); | |
2577 | ||
2578 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
2579 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); | |
2580 | } | |
2581 | ||
7725ccfd JH |
2582 | /** |
2583 | * Return state of rport. | |
2584 | */ | |
2585 | int | |
2586 | bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) | |
2587 | { | |
2588 | return bfa_sm_to_state(rport_sm_table, rport->sm); | |
2589 | } | |
2590 | ||
2591 | /** | |
2592 | * Called by the Driver to set rport delete/ageout timeout | |
2593 | * | |
2594 | * param[in] rport timeout value in seconds. | |
2595 | * | |
2596 | * return None | |
2597 | */ | |
2598 | void | |
2599 | bfa_fcs_rport_set_del_timeout(u8 rport_tmo) | |
2600 | { | |
2601 | /* | |
2602 | * convert to Millisecs | |
2603 | */ | |
2604 | if (rport_tmo > 0) | |
2605 | bfa_fcs_rport_del_timeout = rport_tmo * 1000; | |
2606 | } |