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 | /** | |
a36c61f9 | 19 | * bfa_fcs_lport.c BFA FCS port |
7725ccfd JH |
20 | */ |
21 | ||
a36c61f9 KG |
22 | #include "bfa_fcs.h" |
23 | #include "bfa_fcbuild.h" | |
24 | #include "bfa_fc.h" | |
25 | #include "bfad_drv.h" | |
7725ccfd JH |
26 | |
27 | BFA_TRC_FILE(FCS, PORT); | |
28 | ||
29 | /** | |
30 | * Forward declarations | |
31 | */ | |
32 | ||
a36c61f9 KG |
33 | static void bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, |
34 | struct fchs_s *rx_fchs, u8 reason_code, | |
35 | u8 reason_code_expl); | |
36 | static void bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port, | |
37 | struct fchs_s *rx_fchs, struct fc_logi_s *plogi); | |
38 | static void bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port); | |
39 | static void bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port); | |
40 | static void bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port); | |
41 | static void bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port); | |
42 | static void bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port); | |
43 | static void bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port); | |
44 | static void bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, | |
7725ccfd JH |
45 | struct fchs_s *rx_fchs, |
46 | struct fc_echo_s *echo, u16 len); | |
a36c61f9 | 47 | static void bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, |
7725ccfd JH |
48 | struct fchs_s *rx_fchs, |
49 | struct fc_rnid_cmd_s *rnid, u16 len); | |
a36c61f9 | 50 | static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port, |
7725ccfd JH |
51 | struct fc_rnid_general_topology_data_s *gen_topo_data); |
52 | ||
a36c61f9 KG |
53 | static void bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port); |
54 | static void bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port); | |
55 | static void bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port); | |
56 | ||
57 | static void bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port); | |
58 | static void bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port); | |
59 | static void bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port); | |
60 | ||
7725ccfd | 61 | static struct { |
a36c61f9 KG |
62 | void (*init) (struct bfa_fcs_lport_s *port); |
63 | void (*online) (struct bfa_fcs_lport_s *port); | |
64 | void (*offline) (struct bfa_fcs_lport_s *port); | |
7725ccfd JH |
65 | } __port_action[] = { |
66 | { | |
a36c61f9 KG |
67 | bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online, |
68 | bfa_fcs_lport_unknown_offline}, { | |
69 | bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online, | |
70 | bfa_fcs_lport_fab_offline}, { | |
71 | bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online, | |
72 | bfa_fcs_lport_n2n_offline}, | |
73 | }; | |
7725ccfd JH |
74 | |
75 | /** | |
76 | * fcs_port_sm FCS logical port state machine | |
77 | */ | |
78 | ||
a36c61f9 | 79 | enum bfa_fcs_lport_event { |
7725ccfd JH |
80 | BFA_FCS_PORT_SM_CREATE = 1, |
81 | BFA_FCS_PORT_SM_ONLINE = 2, | |
82 | BFA_FCS_PORT_SM_OFFLINE = 3, | |
83 | BFA_FCS_PORT_SM_DELETE = 4, | |
84 | BFA_FCS_PORT_SM_DELRPORT = 5, | |
85 | }; | |
86 | ||
a36c61f9 KG |
87 | static void bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port, |
88 | enum bfa_fcs_lport_event event); | |
89 | static void bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port, | |
90 | enum bfa_fcs_lport_event event); | |
91 | static void bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port, | |
92 | enum bfa_fcs_lport_event event); | |
93 | static void bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port, | |
94 | enum bfa_fcs_lport_event event); | |
95 | static void bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port, | |
96 | enum bfa_fcs_lport_event event); | |
7725ccfd JH |
97 | |
98 | static void | |
a36c61f9 KG |
99 | bfa_fcs_lport_sm_uninit( |
100 | struct bfa_fcs_lport_s *port, | |
101 | enum bfa_fcs_lport_event event) | |
7725ccfd JH |
102 | { |
103 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
104 | bfa_trc(port->fcs, event); | |
105 | ||
106 | switch (event) { | |
107 | case BFA_FCS_PORT_SM_CREATE: | |
a36c61f9 | 108 | bfa_sm_set_state(port, bfa_fcs_lport_sm_init); |
7725ccfd JH |
109 | break; |
110 | ||
111 | default: | |
e641de37 | 112 | bfa_sm_fault(port->fcs, event); |
7725ccfd JH |
113 | } |
114 | } | |
115 | ||
116 | static void | |
a36c61f9 KG |
117 | bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port, |
118 | enum bfa_fcs_lport_event event) | |
7725ccfd JH |
119 | { |
120 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
121 | bfa_trc(port->fcs, event); | |
122 | ||
123 | switch (event) { | |
124 | case BFA_FCS_PORT_SM_ONLINE: | |
a36c61f9 KG |
125 | bfa_sm_set_state(port, bfa_fcs_lport_sm_online); |
126 | bfa_fcs_lport_online_actions(port); | |
7725ccfd JH |
127 | break; |
128 | ||
129 | case BFA_FCS_PORT_SM_DELETE: | |
a36c61f9 KG |
130 | bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit); |
131 | bfa_fcs_lport_deleted(port); | |
7725ccfd JH |
132 | break; |
133 | ||
3e98cc01 JH |
134 | case BFA_FCS_PORT_SM_OFFLINE: |
135 | break; | |
136 | ||
7725ccfd | 137 | default: |
e641de37 | 138 | bfa_sm_fault(port->fcs, event); |
7725ccfd JH |
139 | } |
140 | } | |
141 | ||
142 | static void | |
a36c61f9 KG |
143 | bfa_fcs_lport_sm_online( |
144 | struct bfa_fcs_lport_s *port, | |
145 | enum bfa_fcs_lport_event event) | |
7725ccfd JH |
146 | { |
147 | struct bfa_fcs_rport_s *rport; | |
a36c61f9 | 148 | struct list_head *qe, *qen; |
7725ccfd JH |
149 | |
150 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
151 | bfa_trc(port->fcs, event); | |
152 | ||
153 | switch (event) { | |
154 | case BFA_FCS_PORT_SM_OFFLINE: | |
a36c61f9 KG |
155 | bfa_sm_set_state(port, bfa_fcs_lport_sm_offline); |
156 | bfa_fcs_lport_offline_actions(port); | |
7725ccfd JH |
157 | break; |
158 | ||
159 | case BFA_FCS_PORT_SM_DELETE: | |
160 | ||
161 | __port_action[port->fabric->fab_type].offline(port); | |
162 | ||
163 | if (port->num_rports == 0) { | |
a36c61f9 KG |
164 | bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit); |
165 | bfa_fcs_lport_deleted(port); | |
7725ccfd | 166 | } else { |
a36c61f9 | 167 | bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting); |
7725ccfd | 168 | list_for_each_safe(qe, qen, &port->rport_q) { |
a36c61f9 | 169 | rport = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
170 | bfa_fcs_rport_delete(rport); |
171 | } | |
172 | } | |
173 | break; | |
174 | ||
175 | case BFA_FCS_PORT_SM_DELRPORT: | |
176 | break; | |
177 | ||
178 | default: | |
e641de37 | 179 | bfa_sm_fault(port->fcs, event); |
7725ccfd JH |
180 | } |
181 | } | |
182 | ||
183 | static void | |
a36c61f9 KG |
184 | bfa_fcs_lport_sm_offline( |
185 | struct bfa_fcs_lport_s *port, | |
186 | enum bfa_fcs_lport_event event) | |
7725ccfd JH |
187 | { |
188 | struct bfa_fcs_rport_s *rport; | |
a36c61f9 | 189 | struct list_head *qe, *qen; |
7725ccfd JH |
190 | |
191 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
192 | bfa_trc(port->fcs, event); | |
193 | ||
194 | switch (event) { | |
195 | case BFA_FCS_PORT_SM_ONLINE: | |
a36c61f9 KG |
196 | bfa_sm_set_state(port, bfa_fcs_lport_sm_online); |
197 | bfa_fcs_lport_online_actions(port); | |
7725ccfd JH |
198 | break; |
199 | ||
200 | case BFA_FCS_PORT_SM_DELETE: | |
201 | if (port->num_rports == 0) { | |
a36c61f9 KG |
202 | bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit); |
203 | bfa_fcs_lport_deleted(port); | |
7725ccfd | 204 | } else { |
a36c61f9 | 205 | bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting); |
7725ccfd | 206 | list_for_each_safe(qe, qen, &port->rport_q) { |
a36c61f9 | 207 | rport = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
208 | bfa_fcs_rport_delete(rport); |
209 | } | |
210 | } | |
211 | break; | |
212 | ||
213 | case BFA_FCS_PORT_SM_DELRPORT: | |
214 | case BFA_FCS_PORT_SM_OFFLINE: | |
215 | break; | |
216 | ||
217 | default: | |
e641de37 | 218 | bfa_sm_fault(port->fcs, event); |
7725ccfd JH |
219 | } |
220 | } | |
221 | ||
222 | static void | |
a36c61f9 KG |
223 | bfa_fcs_lport_sm_deleting( |
224 | struct bfa_fcs_lport_s *port, | |
225 | enum bfa_fcs_lport_event event) | |
7725ccfd JH |
226 | { |
227 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
228 | bfa_trc(port->fcs, event); | |
229 | ||
230 | switch (event) { | |
231 | case BFA_FCS_PORT_SM_DELRPORT: | |
232 | if (port->num_rports == 0) { | |
a36c61f9 KG |
233 | bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit); |
234 | bfa_fcs_lport_deleted(port); | |
7725ccfd JH |
235 | } |
236 | break; | |
237 | ||
238 | default: | |
e641de37 | 239 | bfa_sm_fault(port->fcs, event); |
7725ccfd JH |
240 | } |
241 | } | |
242 | ||
7725ccfd JH |
243 | /** |
244 | * fcs_port_pvt | |
245 | */ | |
246 | ||
7725ccfd JH |
247 | /* |
248 | * Send a LS reject | |
249 | */ | |
250 | static void | |
a36c61f9 | 251 | bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, |
7725ccfd JH |
252 | u8 reason_code, u8 reason_code_expl) |
253 | { | |
a36c61f9 | 254 | struct fchs_s fchs; |
7725ccfd JH |
255 | struct bfa_fcxp_s *fcxp; |
256 | struct bfa_rport_s *bfa_rport = NULL; | |
a36c61f9 | 257 | int len; |
7725ccfd | 258 | |
a36c61f9 | 259 | bfa_trc(port->fcs, rx_fchs->d_id); |
7725ccfd JH |
260 | bfa_trc(port->fcs, rx_fchs->s_id); |
261 | ||
262 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
263 | if (!fcxp) | |
264 | return; | |
265 | ||
a36c61f9 KG |
266 | len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
267 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
268 | rx_fchs->ox_id, reason_code, reason_code_expl); | |
7725ccfd JH |
269 | |
270 | bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, | |
a36c61f9 KG |
271 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, |
272 | FC_MAX_PDUSZ, 0); | |
7725ccfd JH |
273 | } |
274 | ||
275 | /** | |
276 | * Process incoming plogi from a remote port. | |
277 | */ | |
278 | static void | |
a36c61f9 KG |
279 | bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port, |
280 | struct fchs_s *rx_fchs, struct fc_logi_s *plogi) | |
7725ccfd JH |
281 | { |
282 | struct bfa_fcs_rport_s *rport; | |
283 | ||
284 | bfa_trc(port->fcs, rx_fchs->d_id); | |
285 | bfa_trc(port->fcs, rx_fchs->s_id); | |
286 | ||
287 | /* | |
288 | * If min cfg mode is enabled, drop any incoming PLOGIs | |
289 | */ | |
290 | if (__fcs_min_cfg(port->fcs)) { | |
291 | bfa_trc(port->fcs, rx_fchs->s_id); | |
292 | return; | |
293 | } | |
294 | ||
295 | if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) { | |
296 | bfa_trc(port->fcs, rx_fchs->s_id); | |
297 | /* | |
298 | * send a LS reject | |
299 | */ | |
a36c61f9 KG |
300 | bfa_fcs_lport_send_ls_rjt(port, rx_fchs, |
301 | FC_LS_RJT_RSN_PROTOCOL_ERROR, | |
302 | FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS); | |
7725ccfd JH |
303 | return; |
304 | } | |
305 | ||
306 | /** | |
a36c61f9 | 307 | * Direct Attach P2P mode : verify address assigned by the r-port. |
7725ccfd | 308 | */ |
a36c61f9 KG |
309 | if ((!bfa_fcs_fabric_is_switched(port->fabric)) && |
310 | (memcmp((void *)&bfa_fcs_lport_get_pwwn(port), | |
311 | (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) { | |
7725ccfd | 312 | if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) { |
a36c61f9 KG |
313 | /* Address assigned to us cannot be a WKA */ |
314 | bfa_fcs_lport_send_ls_rjt(port, rx_fchs, | |
7725ccfd JH |
315 | FC_LS_RJT_RSN_PROTOCOL_ERROR, |
316 | FC_LS_RJT_EXP_INVALID_NPORT_ID); | |
317 | return; | |
318 | } | |
a36c61f9 | 319 | port->pid = rx_fchs->d_id; |
7725ccfd JH |
320 | } |
321 | ||
322 | /** | |
323 | * First, check if we know the device by pwwn. | |
324 | */ | |
a36c61f9 | 325 | rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name); |
7725ccfd JH |
326 | if (rport) { |
327 | /** | |
a36c61f9 KG |
328 | * Direct Attach P2P mode : handle address assigned by r-port. |
329 | */ | |
330 | if ((!bfa_fcs_fabric_is_switched(port->fabric)) && | |
331 | (memcmp((void *)&bfa_fcs_lport_get_pwwn(port), | |
332 | (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) { | |
333 | port->pid = rx_fchs->d_id; | |
7725ccfd JH |
334 | rport->pid = rx_fchs->s_id; |
335 | } | |
336 | bfa_fcs_rport_plogi(rport, rx_fchs, plogi); | |
337 | return; | |
338 | } | |
339 | ||
340 | /** | |
341 | * Next, lookup rport by PID. | |
342 | */ | |
a36c61f9 | 343 | rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id); |
7725ccfd JH |
344 | if (!rport) { |
345 | /** | |
346 | * Inbound PLOGI from a new device. | |
347 | */ | |
348 | bfa_fcs_rport_plogi_create(port, rx_fchs, plogi); | |
349 | return; | |
350 | } | |
351 | ||
352 | /** | |
353 | * Rport is known only by PID. | |
354 | */ | |
355 | if (rport->pwwn) { | |
356 | /** | |
357 | * This is a different device with the same pid. Old device | |
358 | * disappeared. Send implicit LOGO to old device. | |
359 | */ | |
360 | bfa_assert(rport->pwwn != plogi->port_name); | |
361 | bfa_fcs_rport_logo_imp(rport); | |
362 | ||
363 | /** | |
364 | * Inbound PLOGI from a new device (with old PID). | |
365 | */ | |
366 | bfa_fcs_rport_plogi_create(port, rx_fchs, plogi); | |
367 | return; | |
368 | } | |
369 | ||
370 | /** | |
371 | * PLOGI crossing each other. | |
372 | */ | |
373 | bfa_assert(rport->pwwn == WWN_NULL); | |
374 | bfa_fcs_rport_plogi(rport, rx_fchs, plogi); | |
375 | } | |
376 | ||
377 | /* | |
378 | * Process incoming ECHO. | |
379 | * Since it does not require a login, it is processed here. | |
380 | */ | |
381 | static void | |
a36c61f9 KG |
382 | bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, |
383 | struct fc_echo_s *echo, u16 rx_len) | |
7725ccfd | 384 | { |
a36c61f9 KG |
385 | struct fchs_s fchs; |
386 | struct bfa_fcxp_s *fcxp; | |
387 | struct bfa_rport_s *bfa_rport = NULL; | |
388 | int len, pyld_len; | |
7725ccfd JH |
389 | |
390 | bfa_trc(port->fcs, rx_fchs->s_id); | |
391 | bfa_trc(port->fcs, rx_fchs->d_id); | |
7725ccfd JH |
392 | |
393 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
394 | if (!fcxp) | |
395 | return; | |
396 | ||
a36c61f9 KG |
397 | len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
398 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
399 | rx_fchs->ox_id); | |
7725ccfd JH |
400 | |
401 | /* | |
402 | * Copy the payload (if any) from the echo frame | |
403 | */ | |
404 | pyld_len = rx_len - sizeof(struct fchs_s); | |
a36c61f9 | 405 | bfa_trc(port->fcs, rx_len); |
7725ccfd JH |
406 | bfa_trc(port->fcs, pyld_len); |
407 | ||
408 | if (pyld_len > len) | |
409 | memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) + | |
a36c61f9 KG |
410 | sizeof(struct fc_echo_s), (echo + 1), |
411 | (pyld_len - sizeof(struct fc_echo_s))); | |
7725ccfd JH |
412 | |
413 | bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, | |
a36c61f9 KG |
414 | BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL, |
415 | FC_MAX_PDUSZ, 0); | |
7725ccfd JH |
416 | } |
417 | ||
418 | /* | |
419 | * Process incoming RNID. | |
420 | * Since it does not require a login, it is processed here. | |
421 | */ | |
422 | static void | |
a36c61f9 KG |
423 | bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, |
424 | struct fc_rnid_cmd_s *rnid, u16 rx_len) | |
7725ccfd JH |
425 | { |
426 | struct fc_rnid_common_id_data_s common_id_data; | |
427 | struct fc_rnid_general_topology_data_s gen_topo_data; | |
a36c61f9 | 428 | struct fchs_s fchs; |
7725ccfd JH |
429 | struct bfa_fcxp_s *fcxp; |
430 | struct bfa_rport_s *bfa_rport = NULL; | |
a36c61f9 KG |
431 | u16 len; |
432 | u32 data_format; | |
7725ccfd JH |
433 | |
434 | bfa_trc(port->fcs, rx_fchs->s_id); | |
435 | bfa_trc(port->fcs, rx_fchs->d_id); | |
436 | bfa_trc(port->fcs, rx_len); | |
437 | ||
438 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
439 | if (!fcxp) | |
440 | return; | |
441 | ||
442 | /* | |
443 | * Check Node Indentification Data Format | |
444 | * We only support General Topology Discovery Format. | |
445 | * For any other requested Data Formats, we return Common Node Id Data | |
446 | * only, as per FC-LS. | |
447 | */ | |
448 | bfa_trc(port->fcs, rnid->node_id_data_format); | |
449 | if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) { | |
450 | data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY; | |
451 | /* | |
452 | * Get General topology data for this port | |
453 | */ | |
454 | bfa_fs_port_get_gen_topo_data(port, &gen_topo_data); | |
455 | } else { | |
456 | data_format = RNID_NODEID_DATA_FORMAT_COMMON; | |
457 | } | |
458 | ||
459 | /* | |
460 | * Copy the Node Id Info | |
461 | */ | |
a36c61f9 KG |
462 | common_id_data.port_name = bfa_fcs_lport_get_pwwn(port); |
463 | common_id_data.node_name = bfa_fcs_lport_get_nwwn(port); | |
7725ccfd | 464 | |
a36c61f9 KG |
465 | len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
466 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
467 | rx_fchs->ox_id, data_format, &common_id_data, | |
468 | &gen_topo_data); | |
7725ccfd JH |
469 | |
470 | bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, | |
a36c61f9 KG |
471 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, |
472 | FC_MAX_PDUSZ, 0); | |
7725ccfd JH |
473 | } |
474 | ||
475 | /* | |
476 | * Fill out General Topolpgy Discovery Data for RNID ELS. | |
477 | */ | |
478 | static void | |
a36c61f9 | 479 | bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port, |
7725ccfd JH |
480 | struct fc_rnid_general_topology_data_s *gen_topo_data) |
481 | { | |
7725ccfd JH |
482 | bfa_os_memset(gen_topo_data, 0, |
483 | sizeof(struct fc_rnid_general_topology_data_s)); | |
484 | ||
485 | gen_topo_data->asso_type = bfa_os_htonl(RNID_ASSOCIATED_TYPE_HOST); | |
486 | gen_topo_data->phy_port_num = 0; /* @todo */ | |
487 | gen_topo_data->num_attached_nodes = bfa_os_htonl(1); | |
488 | } | |
489 | ||
490 | static void | |
a36c61f9 | 491 | bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port) |
7725ccfd | 492 | { |
a36c61f9 KG |
493 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; |
494 | char lpwwn_buf[BFA_STRING_32]; | |
495 | ||
7725ccfd JH |
496 | bfa_trc(port->fcs, port->fabric->oper_type); |
497 | ||
498 | __port_action[port->fabric->fab_type].init(port); | |
499 | __port_action[port->fabric->fab_type].online(port); | |
500 | ||
a36c61f9 KG |
501 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
502 | BFA_LOG(KERN_INFO, bfad, log_level, | |
503 | "Logical port online: WWN = %s Role = %s\n", | |
504 | lpwwn_buf, "Initiator"); | |
505 | ||
506 | bfad->bfad_flags |= BFAD_PORT_ONLINE; | |
7725ccfd JH |
507 | } |
508 | ||
509 | static void | |
a36c61f9 | 510 | bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port) |
7725ccfd | 511 | { |
a36c61f9 | 512 | struct list_head *qe, *qen; |
7725ccfd | 513 | struct bfa_fcs_rport_s *rport; |
a36c61f9 KG |
514 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; |
515 | char lpwwn_buf[BFA_STRING_32]; | |
7725ccfd JH |
516 | |
517 | bfa_trc(port->fcs, port->fabric->oper_type); | |
518 | ||
519 | __port_action[port->fabric->fab_type].offline(port); | |
520 | ||
a36c61f9 | 521 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
f8ceafde | 522 | if (bfa_fcs_fabric_is_online(port->fabric) == BFA_TRUE) |
a36c61f9 KG |
523 | BFA_LOG(KERN_ERR, bfad, log_level, |
524 | "Logical port lost fabric connectivity: WWN = %s Role = %s\n", | |
525 | lpwwn_buf, "Initiator"); | |
f8ceafde | 526 | else |
a36c61f9 KG |
527 | BFA_LOG(KERN_INFO, bfad, log_level, |
528 | "Logical port taken offline: WWN = %s Role = %s\n", | |
529 | lpwwn_buf, "Initiator"); | |
7725ccfd JH |
530 | |
531 | list_for_each_safe(qe, qen, &port->rport_q) { | |
a36c61f9 | 532 | rport = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
533 | bfa_fcs_rport_offline(rport); |
534 | } | |
535 | } | |
536 | ||
537 | static void | |
a36c61f9 | 538 | bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port) |
7725ccfd JH |
539 | { |
540 | bfa_assert(0); | |
541 | } | |
542 | ||
543 | static void | |
a36c61f9 | 544 | bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port) |
7725ccfd JH |
545 | { |
546 | bfa_assert(0); | |
547 | } | |
548 | ||
549 | static void | |
a36c61f9 | 550 | bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port) |
7725ccfd JH |
551 | { |
552 | bfa_assert(0); | |
553 | } | |
554 | ||
555 | static void | |
a36c61f9 | 556 | bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs) |
7725ccfd | 557 | { |
a36c61f9 KG |
558 | struct fchs_s fchs; |
559 | struct bfa_fcxp_s *fcxp; | |
560 | int len; | |
7725ccfd | 561 | |
a36c61f9 KG |
562 | bfa_trc(port->fcs, rx_fchs->d_id); |
563 | bfa_trc(port->fcs, rx_fchs->s_id); | |
564 | ||
565 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
566 | if (!fcxp) | |
567 | return; | |
568 | ||
569 | len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
570 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
571 | rx_fchs->ox_id, 0); | |
572 | ||
573 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, | |
574 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, | |
575 | FC_MAX_PDUSZ, 0); | |
576 | } | |
577 | static void | |
578 | bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port) | |
579 | { | |
580 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; | |
581 | char lpwwn_buf[BFA_STRING_32]; | |
582 | ||
583 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); | |
584 | BFA_LOG(KERN_INFO, bfad, log_level, | |
585 | "Logical port deleted: WWN = %s Role = %s\n", | |
586 | lpwwn_buf, "Initiator"); | |
587 | ||
588 | /* Base port will be deleted by the OS driver */ | |
7725ccfd | 589 | if (port->vport) { |
a36c61f9 KG |
590 | bfa_fcb_lport_delete(port->fcs->bfad, port->port_cfg.roles, |
591 | port->fabric->vf_drv, | |
592 | port->vport ? port->vport->vport_drv : NULL); | |
7725ccfd JH |
593 | bfa_fcs_vport_delete_comp(port->vport); |
594 | } else { | |
a36c61f9 | 595 | bfa_fcs_fabric_port_delete_comp(port->fabric); |
7725ccfd JH |
596 | } |
597 | } | |
598 | ||
599 | ||
600 | ||
601 | /** | |
602 | * fcs_lport_api BFA FCS port API | |
603 | */ | |
604 | /** | |
605 | * Module initialization | |
606 | */ | |
607 | void | |
a36c61f9 | 608 | bfa_fcs_lport_modinit(struct bfa_fcs_s *fcs) |
7725ccfd JH |
609 | { |
610 | ||
611 | } | |
612 | ||
613 | /** | |
614 | * Module cleanup | |
615 | */ | |
616 | void | |
a36c61f9 | 617 | bfa_fcs_lport_modexit(struct bfa_fcs_s *fcs) |
7725ccfd JH |
618 | { |
619 | bfa_fcs_modexit_comp(fcs); | |
620 | } | |
621 | ||
622 | /** | |
a36c61f9 | 623 | * Unsolicited frame receive handling. |
7725ccfd JH |
624 | */ |
625 | void | |
a36c61f9 KG |
626 | bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, |
627 | struct fchs_s *fchs, u16 len) | |
7725ccfd | 628 | { |
a36c61f9 | 629 | u32 pid = fchs->s_id; |
7725ccfd | 630 | struct bfa_fcs_rport_s *rport = NULL; |
a36c61f9 | 631 | struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); |
7725ccfd JH |
632 | |
633 | bfa_stats(lport, uf_recvs); | |
634 | ||
a36c61f9 | 635 | if (!bfa_fcs_lport_is_online(lport)) { |
7725ccfd JH |
636 | bfa_stats(lport, uf_recv_drops); |
637 | return; | |
638 | } | |
639 | ||
640 | /** | |
641 | * First, handle ELSs that donot require a login. | |
642 | */ | |
643 | /* | |
644 | * Handle PLOGI first | |
645 | */ | |
646 | if ((fchs->type == FC_TYPE_ELS) && | |
647 | (els_cmd->els_code == FC_ELS_PLOGI)) { | |
a36c61f9 | 648 | bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd); |
7725ccfd JH |
649 | return; |
650 | } | |
651 | ||
652 | /* | |
653 | * Handle ECHO separately. | |
654 | */ | |
655 | if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) { | |
a36c61f9 KG |
656 | bfa_fcs_lport_echo(lport, fchs, |
657 | (struct fc_echo_s *)els_cmd, len); | |
7725ccfd JH |
658 | return; |
659 | } | |
660 | ||
661 | /* | |
662 | * Handle RNID separately. | |
663 | */ | |
664 | if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) { | |
a36c61f9 | 665 | bfa_fcs_lport_rnid(lport, fchs, |
7725ccfd JH |
666 | (struct fc_rnid_cmd_s *) els_cmd, len); |
667 | return; | |
668 | } | |
669 | ||
a36c61f9 KG |
670 | if (fchs->type == FC_TYPE_BLS) { |
671 | if ((fchs->routing == FC_RTG_BASIC_LINK) && | |
672 | (fchs->cat_info == FC_CAT_ABTS)) | |
673 | bfa_fcs_lport_abts_acc(lport, fchs); | |
674 | return; | |
675 | } | |
7725ccfd JH |
676 | /** |
677 | * look for a matching remote port ID | |
678 | */ | |
a36c61f9 | 679 | rport = bfa_fcs_lport_get_rport_by_pid(lport, pid); |
7725ccfd JH |
680 | if (rport) { |
681 | bfa_trc(rport->fcs, fchs->s_id); | |
682 | bfa_trc(rport->fcs, fchs->d_id); | |
683 | bfa_trc(rport->fcs, fchs->type); | |
684 | ||
685 | bfa_fcs_rport_uf_recv(rport, fchs, len); | |
686 | return; | |
687 | } | |
688 | ||
689 | /** | |
690 | * Only handles ELS frames for now. | |
691 | */ | |
692 | if (fchs->type != FC_TYPE_ELS) { | |
693 | bfa_trc(lport->fcs, fchs->type); | |
694 | bfa_assert(0); | |
695 | return; | |
696 | } | |
697 | ||
698 | bfa_trc(lport->fcs, els_cmd->els_code); | |
699 | if (els_cmd->els_code == FC_ELS_RSCN) { | |
a36c61f9 | 700 | bfa_fcs_lport_scn_process_rscn(lport, fchs, len); |
7725ccfd JH |
701 | return; |
702 | } | |
703 | ||
704 | if (els_cmd->els_code == FC_ELS_LOGO) { | |
705 | /** | |
706 | * @todo Handle LOGO frames received. | |
707 | */ | |
7725ccfd JH |
708 | return; |
709 | } | |
710 | ||
711 | if (els_cmd->els_code == FC_ELS_PRLI) { | |
712 | /** | |
713 | * @todo Handle PRLI frames received. | |
714 | */ | |
7725ccfd JH |
715 | return; |
716 | } | |
717 | ||
718 | /** | |
719 | * Unhandled ELS frames. Send a LS_RJT. | |
720 | */ | |
a36c61f9 | 721 | bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP, |
7725ccfd JH |
722 | FC_LS_RJT_EXP_NO_ADDL_INFO); |
723 | ||
724 | } | |
725 | ||
726 | /** | |
727 | * PID based Lookup for a R-Port in the Port R-Port Queue | |
728 | */ | |
729 | struct bfa_fcs_rport_s * | |
a36c61f9 | 730 | bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid) |
7725ccfd JH |
731 | { |
732 | struct bfa_fcs_rport_s *rport; | |
a36c61f9 | 733 | struct list_head *qe; |
7725ccfd JH |
734 | |
735 | list_for_each(qe, &port->rport_q) { | |
a36c61f9 | 736 | rport = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
737 | if (rport->pid == pid) |
738 | return rport; | |
739 | } | |
740 | ||
741 | bfa_trc(port->fcs, pid); | |
742 | return NULL; | |
743 | } | |
744 | ||
745 | /** | |
746 | * PWWN based Lookup for a R-Port in the Port R-Port Queue | |
747 | */ | |
748 | struct bfa_fcs_rport_s * | |
a36c61f9 | 749 | bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn) |
7725ccfd JH |
750 | { |
751 | struct bfa_fcs_rport_s *rport; | |
a36c61f9 | 752 | struct list_head *qe; |
7725ccfd JH |
753 | |
754 | list_for_each(qe, &port->rport_q) { | |
a36c61f9 | 755 | rport = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
756 | if (wwn_is_equal(rport->pwwn, pwwn)) |
757 | return rport; | |
758 | } | |
759 | ||
760 | bfa_trc(port->fcs, pwwn); | |
f8ceafde | 761 | return NULL; |
7725ccfd JH |
762 | } |
763 | ||
764 | /** | |
765 | * NWWN based Lookup for a R-Port in the Port R-Port Queue | |
766 | */ | |
767 | struct bfa_fcs_rport_s * | |
a36c61f9 | 768 | bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn) |
7725ccfd JH |
769 | { |
770 | struct bfa_fcs_rport_s *rport; | |
a36c61f9 | 771 | struct list_head *qe; |
7725ccfd JH |
772 | |
773 | list_for_each(qe, &port->rport_q) { | |
a36c61f9 | 774 | rport = (struct bfa_fcs_rport_s *) qe; |
7725ccfd JH |
775 | if (wwn_is_equal(rport->nwwn, nwwn)) |
776 | return rport; | |
777 | } | |
778 | ||
779 | bfa_trc(port->fcs, nwwn); | |
f8ceafde | 780 | return NULL; |
7725ccfd JH |
781 | } |
782 | ||
783 | /** | |
784 | * Called by rport module when new rports are discovered. | |
785 | */ | |
786 | void | |
a36c61f9 KG |
787 | bfa_fcs_lport_add_rport( |
788 | struct bfa_fcs_lport_s *port, | |
789 | struct bfa_fcs_rport_s *rport) | |
7725ccfd JH |
790 | { |
791 | list_add_tail(&rport->qe, &port->rport_q); | |
792 | port->num_rports++; | |
793 | } | |
794 | ||
795 | /** | |
796 | * Called by rport module to when rports are deleted. | |
797 | */ | |
798 | void | |
a36c61f9 KG |
799 | bfa_fcs_lport_del_rport( |
800 | struct bfa_fcs_lport_s *port, | |
801 | struct bfa_fcs_rport_s *rport) | |
7725ccfd JH |
802 | { |
803 | bfa_assert(bfa_q_is_on_q(&port->rport_q, rport)); | |
804 | list_del(&rport->qe); | |
805 | port->num_rports--; | |
806 | ||
807 | bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT); | |
808 | } | |
809 | ||
810 | /** | |
811 | * Called by fabric for base port when fabric login is complete. | |
812 | * Called by vport for virtual ports when FDISC is complete. | |
813 | */ | |
814 | void | |
a36c61f9 | 815 | bfa_fcs_lport_online(struct bfa_fcs_lport_s *port) |
7725ccfd JH |
816 | { |
817 | bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE); | |
818 | } | |
819 | ||
820 | /** | |
821 | * Called by fabric for base port when fabric goes offline. | |
822 | * Called by vport for virtual ports when virtual port becomes offline. | |
823 | */ | |
824 | void | |
a36c61f9 | 825 | bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port) |
7725ccfd JH |
826 | { |
827 | bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE); | |
828 | } | |
829 | ||
830 | /** | |
831 | * Called by fabric to delete base lport and associated resources. | |
832 | * | |
833 | * Called by vport to delete lport and associated resources. Should call | |
834 | * bfa_fcs_vport_delete_comp() for vports on completion. | |
835 | */ | |
836 | void | |
a36c61f9 | 837 | bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port) |
7725ccfd JH |
838 | { |
839 | bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE); | |
840 | } | |
841 | ||
7725ccfd JH |
842 | /** |
843 | * Return TRUE if port is online, else return FALSE | |
844 | */ | |
845 | bfa_boolean_t | |
a36c61f9 | 846 | bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port) |
7725ccfd | 847 | { |
a36c61f9 | 848 | return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online); |
7725ccfd JH |
849 | } |
850 | ||
851 | /** | |
a36c61f9 | 852 | * Attach time initialization of logical ports. |
7725ccfd JH |
853 | */ |
854 | void | |
a36c61f9 KG |
855 | bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs, |
856 | u16 vf_id, struct bfa_fcs_vport_s *vport) | |
7725ccfd JH |
857 | { |
858 | lport->fcs = fcs; | |
859 | lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id); | |
7725ccfd JH |
860 | lport->vport = vport; |
861 | lport->lp_tag = (vport) ? bfa_lps_get_tag(vport->lps) : | |
a36c61f9 | 862 | bfa_lps_get_tag(lport->fabric->lps); |
7725ccfd JH |
863 | |
864 | INIT_LIST_HEAD(&lport->rport_q); | |
865 | lport->num_rports = 0; | |
e6714324 KG |
866 | } |
867 | ||
868 | /** | |
869 | * Logical port initialization of base or virtual port. | |
870 | * Called by fabric for base port or by vport for virtual ports. | |
871 | */ | |
7725ccfd | 872 | |
e6714324 | 873 | void |
a36c61f9 KG |
874 | bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport, |
875 | struct bfa_lport_cfg_s *port_cfg) | |
e6714324 KG |
876 | { |
877 | struct bfa_fcs_vport_s *vport = lport->vport; | |
a36c61f9 KG |
878 | struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad; |
879 | char lpwwn_buf[BFA_STRING_32]; | |
e6714324 KG |
880 | |
881 | bfa_os_assign(lport->port_cfg, *port_cfg); | |
882 | ||
a36c61f9 KG |
883 | lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport, |
884 | lport->port_cfg.roles, | |
885 | lport->fabric->vf_drv, | |
886 | vport ? vport->vport_drv : NULL); | |
e6714324 | 887 | |
a36c61f9 KG |
888 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport)); |
889 | BFA_LOG(KERN_INFO, bfad, log_level, | |
890 | "New logical port created: WWN = %s Role = %s\n", | |
891 | lpwwn_buf, "Initiator"); | |
7725ccfd | 892 | |
a36c61f9 | 893 | bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit); |
7725ccfd JH |
894 | bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE); |
895 | } | |
896 | ||
7725ccfd JH |
897 | /** |
898 | * fcs_lport_api | |
899 | */ | |
900 | ||
901 | void | |
a36c61f9 KG |
902 | bfa_fcs_lport_get_attr( |
903 | struct bfa_fcs_lport_s *port, | |
904 | struct bfa_lport_attr_s *port_attr) | |
7725ccfd | 905 | { |
a36c61f9 | 906 | if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online)) |
7725ccfd JH |
907 | port_attr->pid = port->pid; |
908 | else | |
909 | port_attr->pid = 0; | |
910 | ||
911 | port_attr->port_cfg = port->port_cfg; | |
912 | ||
913 | if (port->fabric) { | |
914 | port_attr->port_type = bfa_fcs_fabric_port_type(port->fabric); | |
915 | port_attr->loopback = bfa_fcs_fabric_is_loopback(port->fabric); | |
f926a05f | 916 | port_attr->authfail = |
a36c61f9 KG |
917 | bfa_fcs_fabric_is_auth_failed(port->fabric); |
918 | port_attr->fabric_name = bfa_fcs_lport_get_fabric_name(port); | |
7725ccfd | 919 | memcpy(port_attr->fabric_ip_addr, |
a36c61f9 KG |
920 | bfa_fcs_lport_get_fabric_ipaddr(port), |
921 | BFA_FCS_FABRIC_IPADDR_SZ); | |
7725ccfd | 922 | |
86e32dab | 923 | if (port->vport != NULL) { |
a36c61f9 | 924 | port_attr->port_type = BFA_PORT_TYPE_VPORT; |
86e32dab KG |
925 | port_attr->fpma_mac = |
926 | bfa_lps_get_lp_mac(port->vport->lps); | |
a36c61f9 | 927 | } else { |
86e32dab KG |
928 | port_attr->fpma_mac = |
929 | bfa_lps_get_lp_mac(port->fabric->lps); | |
a36c61f9 | 930 | } |
7725ccfd | 931 | } else { |
a36c61f9 KG |
932 | port_attr->port_type = BFA_PORT_TYPE_UNKNOWN; |
933 | port_attr->state = BFA_LPORT_UNINIT; | |
934 | } | |
935 | } | |
936 | ||
937 | /** | |
938 | * bfa_fcs_lport_fab port fab functions | |
939 | */ | |
940 | ||
941 | /** | |
942 | * Called by port to initialize fabric services of the base port. | |
943 | */ | |
944 | static void | |
945 | bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port) | |
946 | { | |
947 | bfa_fcs_lport_ns_init(port); | |
948 | bfa_fcs_lport_scn_init(port); | |
949 | bfa_fcs_lport_ms_init(port); | |
950 | } | |
951 | ||
952 | /** | |
953 | * Called by port to notify transition to online state. | |
954 | */ | |
955 | static void | |
956 | bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port) | |
957 | { | |
958 | bfa_fcs_lport_ns_online(port); | |
959 | bfa_fcs_lport_scn_online(port); | |
960 | } | |
961 | ||
962 | /** | |
963 | * Called by port to notify transition to offline state. | |
964 | */ | |
965 | static void | |
966 | bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port) | |
967 | { | |
968 | bfa_fcs_lport_ns_offline(port); | |
969 | bfa_fcs_lport_scn_offline(port); | |
970 | bfa_fcs_lport_ms_offline(port); | |
971 | } | |
972 | ||
973 | /** | |
974 | * bfa_fcs_lport_n2n functions | |
975 | */ | |
976 | ||
977 | /** | |
978 | * Called by fcs/port to initialize N2N topology. | |
979 | */ | |
980 | static void | |
981 | bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port) | |
982 | { | |
983 | } | |
984 | ||
985 | /** | |
986 | * Called by fcs/port to notify transition to online state. | |
987 | */ | |
988 | static void | |
989 | bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port) | |
990 | { | |
991 | struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n; | |
992 | struct bfa_lport_cfg_s *pcfg = &port->port_cfg; | |
993 | struct bfa_fcs_rport_s *rport; | |
994 | ||
995 | bfa_trc(port->fcs, pcfg->pwwn); | |
996 | ||
997 | /* | |
998 | * If our PWWN is > than that of the r-port, we have to initiate PLOGI | |
999 | * and assign an Address. if not, we need to wait for its PLOGI. | |
1000 | * | |
1001 | * If our PWWN is < than that of the remote port, it will send a PLOGI | |
1002 | * with the PIDs assigned. The rport state machine take care of this | |
1003 | * incoming PLOGI. | |
1004 | */ | |
1005 | if (memcmp | |
1006 | ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn, | |
1007 | sizeof(wwn_t)) > 0) { | |
1008 | port->pid = N2N_LOCAL_PID; | |
1009 | /** | |
1010 | * First, check if we know the device by pwwn. | |
1011 | */ | |
1012 | rport = bfa_fcs_lport_get_rport_by_pwwn(port, | |
1013 | n2n_port->rem_port_wwn); | |
1014 | if (rport) { | |
1015 | bfa_trc(port->fcs, rport->pid); | |
1016 | bfa_trc(port->fcs, rport->pwwn); | |
1017 | rport->pid = N2N_REMOTE_PID; | |
1018 | bfa_fcs_rport_online(rport); | |
1019 | return; | |
1020 | } | |
1021 | ||
1022 | /* | |
1023 | * In n2n there can be only one rport. Delete the old one | |
1024 | * whose pid should be zero, because it is offline. | |
1025 | */ | |
1026 | if (port->num_rports > 0) { | |
1027 | rport = bfa_fcs_lport_get_rport_by_pid(port, 0); | |
1028 | bfa_assert(rport != NULL); | |
1029 | if (rport) { | |
1030 | bfa_trc(port->fcs, rport->pwwn); | |
1031 | bfa_fcs_rport_delete(rport); | |
1032 | } | |
1033 | } | |
1034 | bfa_fcs_rport_create(port, N2N_REMOTE_PID); | |
1035 | } | |
1036 | } | |
1037 | ||
1038 | /** | |
1039 | * Called by fcs/port to notify transition to offline state. | |
1040 | */ | |
1041 | static void | |
1042 | bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port) | |
1043 | { | |
1044 | struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n; | |
1045 | ||
1046 | bfa_trc(port->fcs, port->pid); | |
1047 | port->pid = 0; | |
1048 | n2n_port->rem_port_wwn = 0; | |
1049 | n2n_port->reply_oxid = 0; | |
1050 | } | |
1051 | ||
1052 | #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2 | |
1053 | ||
1054 | /* | |
1055 | * forward declarations | |
1056 | */ | |
1057 | static void bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, | |
1058 | struct bfa_fcxp_s *fcxp_alloced); | |
1059 | static void bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, | |
1060 | struct bfa_fcxp_s *fcxp_alloced); | |
1061 | static void bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, | |
1062 | struct bfa_fcxp_s *fcxp_alloced); | |
1063 | static void bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, | |
1064 | struct bfa_fcxp_s *fcxp, | |
1065 | void *cbarg, | |
1066 | bfa_status_t req_status, | |
1067 | u32 rsp_len, | |
1068 | u32 resid_len, | |
1069 | struct fchs_s *rsp_fchs); | |
1070 | static void bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, | |
1071 | struct bfa_fcxp_s *fcxp, | |
1072 | void *cbarg, | |
1073 | bfa_status_t req_status, | |
1074 | u32 rsp_len, | |
1075 | u32 resid_len, | |
1076 | struct fchs_s *rsp_fchs); | |
1077 | static void bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, | |
1078 | struct bfa_fcxp_s *fcxp, | |
1079 | void *cbarg, | |
1080 | bfa_status_t req_status, | |
1081 | u32 rsp_len, | |
1082 | u32 resid_len, | |
1083 | struct fchs_s *rsp_fchs); | |
1084 | static void bfa_fcs_lport_fdmi_timeout(void *arg); | |
1085 | static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1086 | u8 *pyld); | |
1087 | static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1088 | u8 *pyld); | |
1089 | static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1090 | u8 *pyld); | |
1091 | static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s * | |
1092 | fdmi, u8 *pyld); | |
1093 | static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1094 | struct bfa_fcs_fdmi_hba_attr_s *hba_attr); | |
1095 | static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1096 | struct bfa_fcs_fdmi_port_attr_s *port_attr); | |
1097 | /** | |
1098 | * fcs_fdmi_sm FCS FDMI state machine | |
1099 | */ | |
1100 | ||
1101 | /** | |
1102 | * FDMI State Machine events | |
1103 | */ | |
1104 | enum port_fdmi_event { | |
1105 | FDMISM_EVENT_PORT_ONLINE = 1, | |
1106 | FDMISM_EVENT_PORT_OFFLINE = 2, | |
1107 | FDMISM_EVENT_RSP_OK = 4, | |
1108 | FDMISM_EVENT_RSP_ERROR = 5, | |
1109 | FDMISM_EVENT_TIMEOUT = 6, | |
1110 | FDMISM_EVENT_RHBA_SENT = 7, | |
1111 | FDMISM_EVENT_RPRT_SENT = 8, | |
1112 | FDMISM_EVENT_RPA_SENT = 9, | |
1113 | }; | |
1114 | ||
1115 | static void bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1116 | enum port_fdmi_event event); | |
1117 | static void bfa_fcs_lport_fdmi_sm_sending_rhba( | |
1118 | struct bfa_fcs_lport_fdmi_s *fdmi, | |
1119 | enum port_fdmi_event event); | |
1120 | static void bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1121 | enum port_fdmi_event event); | |
1122 | static void bfa_fcs_lport_fdmi_sm_rhba_retry( | |
1123 | struct bfa_fcs_lport_fdmi_s *fdmi, | |
1124 | enum port_fdmi_event event); | |
1125 | static void bfa_fcs_lport_fdmi_sm_sending_rprt( | |
1126 | struct bfa_fcs_lport_fdmi_s *fdmi, | |
1127 | enum port_fdmi_event event); | |
1128 | static void bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1129 | enum port_fdmi_event event); | |
1130 | static void bfa_fcs_lport_fdmi_sm_rprt_retry( | |
1131 | struct bfa_fcs_lport_fdmi_s *fdmi, | |
1132 | enum port_fdmi_event event); | |
1133 | static void bfa_fcs_lport_fdmi_sm_sending_rpa( | |
1134 | struct bfa_fcs_lport_fdmi_s *fdmi, | |
1135 | enum port_fdmi_event event); | |
1136 | static void bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1137 | enum port_fdmi_event event); | |
1138 | static void bfa_fcs_lport_fdmi_sm_rpa_retry( | |
1139 | struct bfa_fcs_lport_fdmi_s *fdmi, | |
1140 | enum port_fdmi_event event); | |
1141 | static void bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1142 | enum port_fdmi_event event); | |
1143 | static void bfa_fcs_lport_fdmi_sm_disabled( | |
1144 | struct bfa_fcs_lport_fdmi_s *fdmi, | |
1145 | enum port_fdmi_event event); | |
1146 | /** | |
1147 | * Start in offline state - awaiting MS to send start. | |
1148 | */ | |
1149 | static void | |
1150 | bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1151 | enum port_fdmi_event event) | |
1152 | { | |
1153 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1154 | ||
1155 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1156 | bfa_trc(port->fcs, event); | |
1157 | ||
1158 | fdmi->retry_cnt = 0; | |
1159 | ||
1160 | switch (event) { | |
1161 | case FDMISM_EVENT_PORT_ONLINE: | |
1162 | if (port->vport) { | |
1163 | /* | |
1164 | * For Vports, register a new port. | |
1165 | */ | |
1166 | bfa_sm_set_state(fdmi, | |
1167 | bfa_fcs_lport_fdmi_sm_sending_rprt); | |
1168 | bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL); | |
1169 | } else { | |
1170 | /* | |
1171 | * For a base port, we should first register the HBA | |
1172 | * atribute. The HBA attribute also contains the base | |
1173 | * port registration. | |
1174 | */ | |
1175 | bfa_sm_set_state(fdmi, | |
1176 | bfa_fcs_lport_fdmi_sm_sending_rhba); | |
1177 | bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL); | |
1178 | } | |
1179 | break; | |
1180 | ||
1181 | case FDMISM_EVENT_PORT_OFFLINE: | |
1182 | break; | |
1183 | ||
1184 | default: | |
1185 | bfa_sm_fault(port->fcs, event); | |
1186 | } | |
1187 | } | |
1188 | ||
1189 | static void | |
1190 | bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1191 | enum port_fdmi_event event) | |
1192 | { | |
1193 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1194 | ||
1195 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1196 | bfa_trc(port->fcs, event); | |
1197 | ||
1198 | switch (event) { | |
1199 | case FDMISM_EVENT_RHBA_SENT: | |
1200 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba); | |
1201 | break; | |
1202 | ||
1203 | case FDMISM_EVENT_PORT_OFFLINE: | |
1204 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1205 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), | |
1206 | &fdmi->fcxp_wqe); | |
1207 | break; | |
1208 | ||
1209 | default: | |
1210 | bfa_sm_fault(port->fcs, event); | |
1211 | } | |
1212 | } | |
1213 | ||
1214 | static void | |
1215 | bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1216 | enum port_fdmi_event event) | |
1217 | { | |
1218 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1219 | ||
1220 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1221 | bfa_trc(port->fcs, event); | |
1222 | ||
1223 | switch (event) { | |
1224 | case FDMISM_EVENT_RSP_ERROR: | |
1225 | /* | |
1226 | * if max retries have not been reached, start timer for a | |
1227 | * delayed retry | |
1228 | */ | |
1229 | if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { | |
1230 | bfa_sm_set_state(fdmi, | |
1231 | bfa_fcs_lport_fdmi_sm_rhba_retry); | |
1232 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), | |
1233 | &fdmi->timer, | |
1234 | bfa_fcs_lport_fdmi_timeout, fdmi, | |
1235 | BFA_FCS_RETRY_TIMEOUT); | |
1236 | } else { | |
1237 | /* | |
1238 | * set state to offline | |
1239 | */ | |
1240 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1241 | } | |
1242 | break; | |
1243 | ||
1244 | case FDMISM_EVENT_RSP_OK: | |
1245 | /* | |
1246 | * Initiate Register Port Attributes | |
1247 | */ | |
1248 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa); | |
1249 | fdmi->retry_cnt = 0; | |
1250 | bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL); | |
1251 | break; | |
1252 | ||
1253 | case FDMISM_EVENT_PORT_OFFLINE: | |
1254 | bfa_fcxp_discard(fdmi->fcxp); | |
1255 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1256 | break; | |
1257 | ||
1258 | default: | |
1259 | bfa_sm_fault(port->fcs, event); | |
1260 | } | |
1261 | } | |
1262 | ||
1263 | static void | |
1264 | bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1265 | enum port_fdmi_event event) | |
1266 | { | |
1267 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1268 | ||
1269 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1270 | bfa_trc(port->fcs, event); | |
1271 | ||
1272 | switch (event) { | |
1273 | case FDMISM_EVENT_TIMEOUT: | |
1274 | /* | |
1275 | * Retry Timer Expired. Re-send | |
1276 | */ | |
1277 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba); | |
1278 | bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL); | |
1279 | break; | |
1280 | ||
1281 | case FDMISM_EVENT_PORT_OFFLINE: | |
1282 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1283 | bfa_timer_stop(&fdmi->timer); | |
1284 | break; | |
1285 | ||
1286 | default: | |
1287 | bfa_sm_fault(port->fcs, event); | |
1288 | } | |
1289 | } | |
1290 | ||
1291 | /* | |
1292 | * RPRT : Register Port | |
1293 | */ | |
1294 | static void | |
1295 | bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1296 | enum port_fdmi_event event) | |
1297 | { | |
1298 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1299 | ||
1300 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1301 | bfa_trc(port->fcs, event); | |
1302 | ||
1303 | switch (event) { | |
1304 | case FDMISM_EVENT_RPRT_SENT: | |
1305 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt); | |
1306 | break; | |
1307 | ||
1308 | case FDMISM_EVENT_PORT_OFFLINE: | |
1309 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1310 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), | |
1311 | &fdmi->fcxp_wqe); | |
1312 | break; | |
1313 | ||
1314 | default: | |
1315 | bfa_sm_fault(port->fcs, event); | |
7725ccfd | 1316 | } |
a36c61f9 KG |
1317 | } |
1318 | ||
1319 | static void | |
1320 | bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1321 | enum port_fdmi_event event) | |
1322 | { | |
1323 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1324 | ||
1325 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1326 | bfa_trc(port->fcs, event); | |
1327 | ||
1328 | switch (event) { | |
1329 | case FDMISM_EVENT_RSP_ERROR: | |
1330 | /* | |
1331 | * if max retries have not been reached, start timer for a | |
1332 | * delayed retry | |
1333 | */ | |
1334 | if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { | |
1335 | bfa_sm_set_state(fdmi, | |
1336 | bfa_fcs_lport_fdmi_sm_rprt_retry); | |
1337 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), | |
1338 | &fdmi->timer, | |
1339 | bfa_fcs_lport_fdmi_timeout, fdmi, | |
1340 | BFA_FCS_RETRY_TIMEOUT); | |
7725ccfd | 1341 | |
a36c61f9 KG |
1342 | } else { |
1343 | /* | |
1344 | * set state to offline | |
1345 | */ | |
1346 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1347 | fdmi->retry_cnt = 0; | |
1348 | } | |
1349 | break; | |
1350 | ||
1351 | case FDMISM_EVENT_RSP_OK: | |
1352 | fdmi->retry_cnt = 0; | |
1353 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online); | |
1354 | break; | |
1355 | ||
1356 | case FDMISM_EVENT_PORT_OFFLINE: | |
1357 | bfa_fcxp_discard(fdmi->fcxp); | |
1358 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1359 | break; | |
1360 | ||
1361 | default: | |
1362 | bfa_sm_fault(port->fcs, event); | |
1363 | } | |
7725ccfd JH |
1364 | } |
1365 | ||
a36c61f9 KG |
1366 | static void |
1367 | bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1368 | enum port_fdmi_event event) | |
1369 | { | |
1370 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
7725ccfd | 1371 | |
a36c61f9 KG |
1372 | bfa_trc(port->fcs, port->port_cfg.pwwn); |
1373 | bfa_trc(port->fcs, event); | |
1374 | ||
1375 | switch (event) { | |
1376 | case FDMISM_EVENT_TIMEOUT: | |
1377 | /* | |
1378 | * Retry Timer Expired. Re-send | |
1379 | */ | |
1380 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt); | |
1381 | bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL); | |
1382 | break; | |
1383 | ||
1384 | case FDMISM_EVENT_PORT_OFFLINE: | |
1385 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1386 | bfa_timer_stop(&fdmi->timer); | |
1387 | break; | |
1388 | ||
1389 | default: | |
1390 | bfa_sm_fault(port->fcs, event); | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | /* | |
1395 | * Register Port Attributes | |
1396 | */ | |
1397 | static void | |
1398 | bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1399 | enum port_fdmi_event event) | |
1400 | { | |
1401 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1402 | ||
1403 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1404 | bfa_trc(port->fcs, event); | |
1405 | ||
1406 | switch (event) { | |
1407 | case FDMISM_EVENT_RPA_SENT: | |
1408 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa); | |
1409 | break; | |
1410 | ||
1411 | case FDMISM_EVENT_PORT_OFFLINE: | |
1412 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1413 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), | |
1414 | &fdmi->fcxp_wqe); | |
1415 | break; | |
1416 | ||
1417 | default: | |
1418 | bfa_sm_fault(port->fcs, event); | |
1419 | } | |
1420 | } | |
1421 | ||
1422 | static void | |
1423 | bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1424 | enum port_fdmi_event event) | |
1425 | { | |
1426 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1427 | ||
1428 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1429 | bfa_trc(port->fcs, event); | |
1430 | ||
1431 | switch (event) { | |
1432 | case FDMISM_EVENT_RSP_ERROR: | |
1433 | /* | |
1434 | * if max retries have not been reached, start timer for a | |
1435 | * delayed retry | |
1436 | */ | |
1437 | if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { | |
1438 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry); | |
1439 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), | |
1440 | &fdmi->timer, | |
1441 | bfa_fcs_lport_fdmi_timeout, fdmi, | |
1442 | BFA_FCS_RETRY_TIMEOUT); | |
1443 | } else { | |
1444 | /* | |
1445 | * set state to offline | |
1446 | */ | |
1447 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1448 | fdmi->retry_cnt = 0; | |
1449 | } | |
1450 | break; | |
1451 | ||
1452 | case FDMISM_EVENT_RSP_OK: | |
1453 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online); | |
1454 | fdmi->retry_cnt = 0; | |
1455 | break; | |
1456 | ||
1457 | case FDMISM_EVENT_PORT_OFFLINE: | |
1458 | bfa_fcxp_discard(fdmi->fcxp); | |
1459 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1460 | break; | |
1461 | ||
1462 | default: | |
1463 | bfa_sm_fault(port->fcs, event); | |
1464 | } | |
1465 | } | |
1466 | ||
1467 | static void | |
1468 | bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1469 | enum port_fdmi_event event) | |
1470 | { | |
1471 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1472 | ||
1473 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1474 | bfa_trc(port->fcs, event); | |
1475 | ||
1476 | switch (event) { | |
1477 | case FDMISM_EVENT_TIMEOUT: | |
1478 | /* | |
1479 | * Retry Timer Expired. Re-send | |
1480 | */ | |
1481 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa); | |
1482 | bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL); | |
1483 | break; | |
1484 | ||
1485 | case FDMISM_EVENT_PORT_OFFLINE: | |
1486 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1487 | bfa_timer_stop(&fdmi->timer); | |
1488 | break; | |
1489 | ||
1490 | default: | |
1491 | bfa_sm_fault(port->fcs, event); | |
1492 | } | |
1493 | } | |
1494 | ||
1495 | static void | |
1496 | bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1497 | enum port_fdmi_event event) | |
1498 | { | |
1499 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1500 | ||
1501 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1502 | bfa_trc(port->fcs, event); | |
1503 | ||
1504 | switch (event) { | |
1505 | case FDMISM_EVENT_PORT_OFFLINE: | |
1506 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
1507 | break; | |
1508 | ||
1509 | default: | |
1510 | bfa_sm_fault(port->fcs, event); | |
1511 | } | |
1512 | } | |
1513 | /** | |
1514 | * FDMI is disabled state. | |
1515 | */ | |
1516 | static void | |
1517 | bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1518 | enum port_fdmi_event event) | |
1519 | { | |
1520 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1521 | ||
1522 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1523 | bfa_trc(port->fcs, event); | |
1524 | ||
1525 | /* No op State. It can only be enabled at Driver Init. */ | |
1526 | } | |
1527 | ||
1528 | /** | |
1529 | * RHBA : Register HBA Attributes. | |
1530 | */ | |
1531 | static void | |
1532 | bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1533 | { | |
1534 | struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg; | |
1535 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1536 | struct fchs_s fchs; | |
1537 | int len, attr_len; | |
1538 | struct bfa_fcxp_s *fcxp; | |
1539 | u8 *pyld; | |
1540 | ||
1541 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1542 | ||
1543 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1544 | if (!fcxp) { | |
1545 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, | |
1546 | bfa_fcs_lport_fdmi_send_rhba, fdmi); | |
1547 | return; | |
1548 | } | |
1549 | fdmi->fcxp = fcxp; | |
1550 | ||
1551 | pyld = bfa_fcxp_get_reqbuf(fcxp); | |
1552 | bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); | |
1553 | ||
1554 | len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port), | |
1555 | FDMI_RHBA); | |
1556 | ||
1557 | attr_len = | |
1558 | bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi, | |
1559 | (u8 *) ((struct ct_hdr_s *) pyld | |
1560 | + 1)); | |
1561 | ||
1562 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1563 | FC_CLASS_3, (len + attr_len), &fchs, | |
1564 | bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi, | |
1565 | FC_MAX_PDUSZ, FC_FCCT_TOV); | |
1566 | ||
1567 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT); | |
1568 | } | |
1569 | ||
1570 | static u16 | |
1571 | bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld) | |
1572 | { | |
1573 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1574 | struct bfa_fcs_fdmi_hba_attr_s hba_attr; | |
1575 | struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr; | |
1576 | struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld; | |
1577 | struct fdmi_attr_s *attr; | |
1578 | u8 *curr_ptr; | |
1579 | u16 len, count; | |
1580 | ||
1581 | /* | |
1582 | * get hba attributes | |
1583 | */ | |
1584 | bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr); | |
1585 | ||
1586 | rhba->hba_id = bfa_fcs_lport_get_pwwn(port); | |
1587 | rhba->port_list.num_ports = bfa_os_htonl(1); | |
1588 | rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port); | |
1589 | ||
1590 | len = sizeof(rhba->hba_id) + sizeof(rhba->port_list); | |
1591 | ||
1592 | count = 0; | |
1593 | len += sizeof(rhba->hba_attr_blk.attr_count); | |
1594 | ||
1595 | /* | |
1596 | * fill out the invididual entries of the HBA attrib Block | |
1597 | */ | |
1598 | curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr; | |
1599 | ||
1600 | /* | |
1601 | * Node Name | |
1602 | */ | |
1603 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1604 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_NODENAME); | |
1605 | attr->len = sizeof(wwn_t); | |
1606 | memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), attr->len); | |
1607 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1608 | len += attr->len; | |
1609 | count++; | |
1610 | attr->len = | |
1611 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1612 | sizeof(attr->len)); | |
1613 | ||
1614 | /* | |
1615 | * Manufacturer | |
1616 | */ | |
1617 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1618 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MANUFACTURER); | |
1619 | attr->len = (u16) strlen(fcs_hba_attr->manufacturer); | |
1620 | memcpy(attr->value, fcs_hba_attr->manufacturer, attr->len); | |
1621 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1622 | *fields need | |
1623 | *to be 4 byte | |
1624 | *aligned */ | |
1625 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1626 | len += attr->len; | |
1627 | count++; | |
1628 | attr->len = | |
1629 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1630 | sizeof(attr->len)); | |
1631 | ||
1632 | /* | |
1633 | * Serial Number | |
1634 | */ | |
1635 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1636 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_SERIALNUM); | |
1637 | attr->len = (u16) strlen(fcs_hba_attr->serial_num); | |
1638 | memcpy(attr->value, fcs_hba_attr->serial_num, attr->len); | |
1639 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1640 | *fields need | |
1641 | *to be 4 byte | |
1642 | *aligned */ | |
1643 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1644 | len += attr->len; | |
1645 | count++; | |
1646 | attr->len = | |
1647 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1648 | sizeof(attr->len)); | |
1649 | ||
1650 | /* | |
1651 | * Model | |
1652 | */ | |
1653 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1654 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL); | |
1655 | attr->len = (u16) strlen(fcs_hba_attr->model); | |
1656 | memcpy(attr->value, fcs_hba_attr->model, attr->len); | |
1657 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1658 | *fields need | |
1659 | *to be 4 byte | |
1660 | *aligned */ | |
1661 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1662 | len += attr->len; | |
1663 | count++; | |
1664 | attr->len = | |
1665 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1666 | sizeof(attr->len)); | |
1667 | ||
1668 | /* | |
1669 | * Model Desc | |
1670 | */ | |
1671 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1672 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL_DESC); | |
1673 | attr->len = (u16) strlen(fcs_hba_attr->model_desc); | |
1674 | memcpy(attr->value, fcs_hba_attr->model_desc, attr->len); | |
1675 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1676 | *fields need | |
1677 | *to be 4 byte | |
1678 | *aligned */ | |
1679 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1680 | len += attr->len; | |
1681 | count++; | |
1682 | attr->len = | |
1683 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1684 | sizeof(attr->len)); | |
1685 | ||
1686 | /* | |
1687 | * H/W Version | |
1688 | */ | |
1689 | if (fcs_hba_attr->hw_version[0] != '\0') { | |
1690 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1691 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_HW_VERSION); | |
1692 | attr->len = (u16) strlen(fcs_hba_attr->hw_version); | |
1693 | memcpy(attr->value, fcs_hba_attr->hw_version, attr->len); | |
1694 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1695 | *fields need | |
1696 | *to be 4 byte | |
1697 | *aligned */ | |
1698 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1699 | len += attr->len; | |
1700 | count++; | |
1701 | attr->len = | |
1702 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1703 | sizeof(attr->len)); | |
1704 | } | |
1705 | ||
1706 | /* | |
1707 | * Driver Version | |
1708 | */ | |
1709 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1710 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_DRIVER_VERSION); | |
1711 | attr->len = (u16) strlen(fcs_hba_attr->driver_version); | |
1712 | memcpy(attr->value, fcs_hba_attr->driver_version, attr->len); | |
1713 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1714 | *fields need | |
1715 | *to be 4 byte | |
1716 | *aligned */ | |
1717 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1718 | len += attr->len;; | |
1719 | count++; | |
1720 | attr->len = | |
1721 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1722 | sizeof(attr->len)); | |
1723 | ||
1724 | /* | |
1725 | * Option Rom Version | |
1726 | */ | |
1727 | if (fcs_hba_attr->option_rom_ver[0] != '\0') { | |
1728 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1729 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_ROM_VERSION); | |
1730 | attr->len = (u16) strlen(fcs_hba_attr->option_rom_ver); | |
1731 | memcpy(attr->value, fcs_hba_attr->option_rom_ver, attr->len); | |
1732 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1733 | *fields need | |
1734 | *to be 4 byte | |
1735 | *aligned */ | |
1736 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1737 | len += attr->len; | |
1738 | count++; | |
1739 | attr->len = | |
1740 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1741 | sizeof(attr->len)); | |
1742 | } | |
1743 | ||
1744 | /* | |
1745 | * f/w Version = driver version | |
1746 | */ | |
1747 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1748 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_FW_VERSION); | |
1749 | attr->len = (u16) strlen(fcs_hba_attr->driver_version); | |
1750 | memcpy(attr->value, fcs_hba_attr->driver_version, attr->len); | |
1751 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1752 | *fields need | |
1753 | *to be 4 byte | |
1754 | *aligned */ | |
1755 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1756 | len += attr->len; | |
1757 | count++; | |
1758 | attr->len = | |
1759 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1760 | sizeof(attr->len)); | |
1761 | ||
1762 | /* | |
1763 | * OS Name | |
1764 | */ | |
1765 | if (fcs_hba_attr->os_name[0] != '\0') { | |
1766 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1767 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_OS_NAME); | |
1768 | attr->len = (u16) strlen(fcs_hba_attr->os_name); | |
1769 | memcpy(attr->value, fcs_hba_attr->os_name, attr->len); | |
1770 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1771 | *fields need | |
1772 | *to be 4 byte | |
1773 | *aligned */ | |
1774 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1775 | len += attr->len; | |
1776 | count++; | |
1777 | attr->len = | |
1778 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1779 | sizeof(attr->len)); | |
1780 | } | |
1781 | ||
1782 | /* | |
1783 | * MAX_CT_PAYLOAD | |
1784 | */ | |
1785 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1786 | attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MAX_CT); | |
1787 | attr->len = sizeof(fcs_hba_attr->max_ct_pyld); | |
1788 | memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, attr->len); | |
1789 | len += attr->len; | |
1790 | count++; | |
1791 | attr->len = | |
1792 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1793 | sizeof(attr->len)); | |
1794 | ||
1795 | /* | |
1796 | * Update size of payload | |
1797 | */ | |
1798 | len += ((sizeof(attr->type) + | |
1799 | sizeof(attr->len)) * count); | |
1800 | ||
1801 | rhba->hba_attr_blk.attr_count = bfa_os_htonl(count); | |
1802 | return len; | |
1803 | } | |
1804 | ||
1805 | static void | |
1806 | bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
1807 | void *cbarg, bfa_status_t req_status, | |
1808 | u32 rsp_len, u32 resid_len, | |
1809 | struct fchs_s *rsp_fchs) | |
1810 | { | |
1811 | struct bfa_fcs_lport_fdmi_s *fdmi = | |
1812 | (struct bfa_fcs_lport_fdmi_s *) cbarg; | |
1813 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1814 | struct ct_hdr_s *cthdr = NULL; | |
1815 | ||
1816 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1817 | ||
1818 | /* | |
1819 | * Sanity Checks | |
1820 | */ | |
1821 | if (req_status != BFA_STATUS_OK) { | |
1822 | bfa_trc(port->fcs, req_status); | |
1823 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); | |
1824 | return; | |
1825 | } | |
1826 | ||
1827 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
1828 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
1829 | ||
1830 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
1831 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); | |
1832 | return; | |
1833 | } | |
1834 | ||
1835 | bfa_trc(port->fcs, cthdr->reason_code); | |
1836 | bfa_trc(port->fcs, cthdr->exp_code); | |
1837 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); | |
1838 | } | |
1839 | ||
1840 | /** | |
1841 | * RPRT : Register Port | |
1842 | */ | |
1843 | static void | |
1844 | bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
1845 | { | |
1846 | struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg; | |
1847 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
1848 | struct fchs_s fchs; | |
1849 | u16 len, attr_len; | |
1850 | struct bfa_fcxp_s *fcxp; | |
1851 | u8 *pyld; | |
1852 | ||
1853 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
1854 | ||
1855 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
1856 | if (!fcxp) { | |
1857 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, | |
1858 | bfa_fcs_lport_fdmi_send_rprt, fdmi); | |
1859 | return; | |
1860 | } | |
1861 | fdmi->fcxp = fcxp; | |
1862 | ||
1863 | pyld = bfa_fcxp_get_reqbuf(fcxp); | |
1864 | bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); | |
1865 | ||
1866 | len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port), | |
1867 | FDMI_RPRT); | |
1868 | ||
1869 | attr_len = | |
1870 | bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi, | |
1871 | (u8 *) ((struct ct_hdr_s *) pyld | |
1872 | + 1)); | |
1873 | ||
1874 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
1875 | FC_CLASS_3, len + attr_len, &fchs, | |
1876 | bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi, | |
1877 | FC_MAX_PDUSZ, FC_FCCT_TOV); | |
1878 | ||
1879 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT); | |
1880 | } | |
1881 | ||
1882 | /** | |
1883 | * This routine builds Port Attribute Block that used in RPA, RPRT commands. | |
1884 | */ | |
1885 | static u16 | |
1886 | bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi, | |
1887 | u8 *pyld) | |
1888 | { | |
1889 | struct bfa_fcs_fdmi_port_attr_s fcs_port_attr; | |
1890 | struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld; | |
1891 | struct fdmi_attr_s *attr; | |
1892 | u8 *curr_ptr; | |
1893 | u16 len; | |
1894 | u8 count = 0; | |
1895 | ||
1896 | /* | |
1897 | * get port attributes | |
1898 | */ | |
1899 | bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr); | |
1900 | ||
1901 | len = sizeof(port_attrib->attr_count); | |
1902 | ||
1903 | /* | |
1904 | * fill out the invididual entries | |
1905 | */ | |
1906 | curr_ptr = (u8 *) &port_attrib->port_attr; | |
1907 | ||
1908 | /* | |
1909 | * FC4 Types | |
1910 | */ | |
1911 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1912 | attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FC4_TYPES); | |
1913 | attr->len = sizeof(fcs_port_attr.supp_fc4_types); | |
1914 | memcpy(attr->value, fcs_port_attr.supp_fc4_types, attr->len); | |
1915 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1916 | len += attr->len; | |
1917 | ++count; | |
1918 | attr->len = | |
1919 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1920 | sizeof(attr->len)); | |
1921 | ||
1922 | /* | |
1923 | * Supported Speed | |
1924 | */ | |
1925 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1926 | attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_SUPP_SPEED); | |
1927 | attr->len = sizeof(fcs_port_attr.supp_speed); | |
1928 | memcpy(attr->value, &fcs_port_attr.supp_speed, attr->len); | |
1929 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1930 | len += attr->len; | |
1931 | ++count; | |
1932 | attr->len = | |
1933 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1934 | sizeof(attr->len)); | |
1935 | ||
1936 | /* | |
1937 | * current Port Speed | |
1938 | */ | |
1939 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1940 | attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_PORT_SPEED); | |
1941 | attr->len = sizeof(fcs_port_attr.curr_speed); | |
1942 | memcpy(attr->value, &fcs_port_attr.curr_speed, attr->len); | |
1943 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1944 | len += attr->len; | |
1945 | ++count; | |
1946 | attr->len = | |
1947 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1948 | sizeof(attr->len)); | |
1949 | ||
1950 | /* | |
1951 | * max frame size | |
1952 | */ | |
1953 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1954 | attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FRAME_SIZE); | |
1955 | attr->len = sizeof(fcs_port_attr.max_frm_size); | |
1956 | memcpy(attr->value, &fcs_port_attr.max_frm_size, attr->len); | |
1957 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1958 | len += attr->len; | |
1959 | ++count; | |
1960 | attr->len = | |
1961 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1962 | sizeof(attr->len)); | |
1963 | ||
1964 | /* | |
1965 | * OS Device Name | |
1966 | */ | |
1967 | if (fcs_port_attr.os_device_name[0] != '\0') { | |
1968 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1969 | attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_DEV_NAME); | |
1970 | attr->len = (u16) strlen(fcs_port_attr.os_device_name); | |
1971 | memcpy(attr->value, fcs_port_attr.os_device_name, attr->len); | |
1972 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1973 | *fields need | |
1974 | *to be 4 byte | |
1975 | *aligned */ | |
1976 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1977 | len += attr->len; | |
1978 | ++count; | |
1979 | attr->len = | |
1980 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
1981 | sizeof(attr->len)); | |
1982 | } | |
1983 | /* | |
1984 | * Host Name | |
1985 | */ | |
1986 | if (fcs_port_attr.host_name[0] != '\0') { | |
1987 | attr = (struct fdmi_attr_s *) curr_ptr; | |
1988 | attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_HOST_NAME); | |
1989 | attr->len = (u16) strlen(fcs_port_attr.host_name); | |
1990 | memcpy(attr->value, fcs_port_attr.host_name, attr->len); | |
1991 | attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable | |
1992 | *fields need | |
1993 | *to be 4 byte | |
1994 | *aligned */ | |
1995 | curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; | |
1996 | len += attr->len; | |
1997 | ++count; | |
1998 | attr->len = | |
1999 | bfa_os_htons(attr->len + sizeof(attr->type) + | |
2000 | sizeof(attr->len)); | |
2001 | } | |
2002 | ||
2003 | /* | |
2004 | * Update size of payload | |
2005 | */ | |
2006 | port_attrib->attr_count = bfa_os_htonl(count); | |
2007 | len += ((sizeof(attr->type) + | |
2008 | sizeof(attr->len)) * count); | |
2009 | return len; | |
2010 | } | |
2011 | ||
2012 | static u16 | |
2013 | bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld) | |
2014 | { | |
2015 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
2016 | struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld; | |
2017 | u16 len; | |
2018 | ||
2019 | rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs)); | |
2020 | rprt->port_name = bfa_fcs_lport_get_pwwn(port); | |
2021 | ||
2022 | len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi, | |
2023 | (u8 *) &rprt->port_attr_blk); | |
2024 | ||
2025 | len += sizeof(rprt->hba_id) + sizeof(rprt->port_name); | |
2026 | ||
2027 | return len; | |
2028 | } | |
2029 | ||
2030 | static void | |
2031 | bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
2032 | void *cbarg, bfa_status_t req_status, | |
2033 | u32 rsp_len, u32 resid_len, | |
2034 | struct fchs_s *rsp_fchs) | |
2035 | { | |
2036 | struct bfa_fcs_lport_fdmi_s *fdmi = | |
2037 | (struct bfa_fcs_lport_fdmi_s *) cbarg; | |
2038 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
2039 | struct ct_hdr_s *cthdr = NULL; | |
2040 | ||
2041 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
2042 | ||
2043 | /* | |
2044 | * Sanity Checks | |
2045 | */ | |
2046 | if (req_status != BFA_STATUS_OK) { | |
2047 | bfa_trc(port->fcs, req_status); | |
2048 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); | |
2049 | return; | |
2050 | } | |
2051 | ||
2052 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
2053 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
2054 | ||
2055 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
2056 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); | |
2057 | return; | |
2058 | } | |
2059 | ||
2060 | bfa_trc(port->fcs, cthdr->reason_code); | |
2061 | bfa_trc(port->fcs, cthdr->exp_code); | |
2062 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); | |
2063 | } | |
2064 | ||
2065 | /** | |
2066 | * RPA : Register Port Attributes. | |
2067 | */ | |
2068 | static void | |
2069 | bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
2070 | { | |
2071 | struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg; | |
2072 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
2073 | struct fchs_s fchs; | |
2074 | u16 len, attr_len; | |
2075 | struct bfa_fcxp_s *fcxp; | |
2076 | u8 *pyld; | |
2077 | ||
2078 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
2079 | ||
2080 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
2081 | if (!fcxp) { | |
2082 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, | |
2083 | bfa_fcs_lport_fdmi_send_rpa, fdmi); | |
2084 | return; | |
2085 | } | |
2086 | fdmi->fcxp = fcxp; | |
2087 | ||
2088 | pyld = bfa_fcxp_get_reqbuf(fcxp); | |
2089 | bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); | |
2090 | ||
2091 | len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port), | |
2092 | FDMI_RPA); | |
2093 | ||
2094 | attr_len = | |
2095 | bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi, | |
2096 | (u8 *) ((struct ct_hdr_s *) pyld | |
2097 | + 1)); | |
2098 | ||
2099 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
2100 | FC_CLASS_3, len + attr_len, &fchs, | |
2101 | bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi, | |
2102 | FC_MAX_PDUSZ, FC_FCCT_TOV); | |
2103 | ||
2104 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT); | |
2105 | } | |
2106 | ||
2107 | static u16 | |
2108 | bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld) | |
2109 | { | |
2110 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
2111 | struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld; | |
2112 | u16 len; | |
2113 | ||
2114 | rpa->port_name = bfa_fcs_lport_get_pwwn(port); | |
2115 | ||
2116 | len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi, | |
2117 | (u8 *) &rpa->port_attr_blk); | |
2118 | ||
2119 | len += sizeof(rpa->port_name); | |
2120 | ||
2121 | return len; | |
2122 | } | |
2123 | ||
2124 | static void | |
2125 | bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
2126 | void *cbarg, bfa_status_t req_status, u32 rsp_len, | |
2127 | u32 resid_len, struct fchs_s *rsp_fchs) | |
2128 | { | |
2129 | struct bfa_fcs_lport_fdmi_s *fdmi = | |
2130 | (struct bfa_fcs_lport_fdmi_s *) cbarg; | |
2131 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
2132 | struct ct_hdr_s *cthdr = NULL; | |
2133 | ||
2134 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
2135 | ||
2136 | /* | |
2137 | * Sanity Checks | |
2138 | */ | |
2139 | if (req_status != BFA_STATUS_OK) { | |
2140 | bfa_trc(port->fcs, req_status); | |
2141 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); | |
2142 | return; | |
2143 | } | |
2144 | ||
2145 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
2146 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
2147 | ||
2148 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
2149 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); | |
2150 | return; | |
2151 | } | |
2152 | ||
2153 | bfa_trc(port->fcs, cthdr->reason_code); | |
2154 | bfa_trc(port->fcs, cthdr->exp_code); | |
2155 | bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); | |
2156 | } | |
2157 | ||
2158 | static void | |
2159 | bfa_fcs_lport_fdmi_timeout(void *arg) | |
2160 | { | |
2161 | struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg; | |
2162 | ||
2163 | bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT); | |
2164 | } | |
2165 | ||
2166 | void | |
2167 | bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi, | |
2168 | struct bfa_fcs_fdmi_hba_attr_s *hba_attr) | |
2169 | { | |
2170 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
2171 | struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info; | |
2172 | ||
2173 | bfa_os_memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s)); | |
2174 | ||
2175 | bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc, | |
2176 | hba_attr->manufacturer); | |
2177 | bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc, | |
2178 | hba_attr->serial_num); | |
2179 | bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc, | |
2180 | hba_attr->model); | |
2181 | bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc, | |
2182 | hba_attr->model_desc); | |
2183 | bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc, | |
2184 | hba_attr->hw_version); | |
2185 | bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc, | |
2186 | hba_attr->option_rom_ver); | |
2187 | bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc, | |
2188 | hba_attr->fw_version); | |
2189 | ||
2190 | strncpy(hba_attr->driver_version, (char *)driver_info->version, | |
2191 | sizeof(hba_attr->driver_version)); | |
2192 | ||
2193 | strncpy(hba_attr->os_name, driver_info->host_os_name, | |
2194 | sizeof(hba_attr->os_name)); | |
2195 | ||
2196 | /* | |
2197 | * If there is a patch level, append it | |
2198 | * to the os name along with a separator | |
2199 | */ | |
2200 | if (driver_info->host_os_patch[0] != '\0') { | |
2201 | strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, | |
2202 | sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); | |
2203 | strncat(hba_attr->os_name, driver_info->host_os_patch, | |
2204 | sizeof(driver_info->host_os_patch)); | |
2205 | } | |
2206 | ||
2207 | hba_attr->max_ct_pyld = bfa_os_htonl(FC_MAX_PDUSZ); | |
2208 | } | |
2209 | ||
2210 | void | |
2211 | bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi, | |
2212 | struct bfa_fcs_fdmi_port_attr_s *port_attr) | |
2213 | { | |
2214 | struct bfa_fcs_lport_s *port = fdmi->ms->port; | |
2215 | struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info; | |
2216 | struct bfa_port_attr_s pport_attr; | |
2217 | ||
2218 | bfa_os_memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s)); | |
2219 | ||
2220 | /* | |
2221 | * get pport attributes from hal | |
2222 | */ | |
2223 | bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); | |
2224 | ||
2225 | /* | |
2226 | * get FC4 type Bitmask | |
2227 | */ | |
2228 | fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types); | |
2229 | ||
2230 | /* | |
2231 | * Supported Speeds | |
2232 | */ | |
2233 | port_attr->supp_speed = bfa_os_htonl(BFA_FCS_FDMI_SUPORTED_SPEEDS); | |
2234 | ||
2235 | /* | |
2236 | * Current Speed | |
2237 | */ | |
2238 | port_attr->curr_speed = bfa_os_htonl(pport_attr.speed); | |
2239 | ||
2240 | /* | |
2241 | * Max PDU Size. | |
2242 | */ | |
2243 | port_attr->max_frm_size = bfa_os_htonl(FC_MAX_PDUSZ); | |
2244 | ||
2245 | /* | |
2246 | * OS device Name | |
2247 | */ | |
2248 | strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name, | |
2249 | sizeof(port_attr->os_device_name)); | |
2250 | ||
2251 | /* | |
2252 | * Host name | |
2253 | */ | |
2254 | strncpy(port_attr->host_name, (char *)driver_info->host_machine_name, | |
2255 | sizeof(port_attr->host_name)); | |
2256 | ||
2257 | } | |
2258 | ||
2259 | ||
2260 | void | |
2261 | bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms) | |
2262 | { | |
2263 | struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi; | |
2264 | ||
2265 | fdmi->ms = ms; | |
2266 | if (ms->port->fcs->fdmi_enabled) | |
2267 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); | |
2268 | else | |
2269 | bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled); | |
2270 | } | |
2271 | ||
2272 | void | |
2273 | bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms) | |
2274 | { | |
2275 | struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi; | |
2276 | ||
2277 | fdmi->ms = ms; | |
2278 | bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE); | |
2279 | } | |
2280 | ||
2281 | void | |
2282 | bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms) | |
2283 | { | |
2284 | struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi; | |
2285 | ||
2286 | fdmi->ms = ms; | |
2287 | bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE); | |
2288 | } | |
2289 | ||
2290 | #define BFA_FCS_MS_CMD_MAX_RETRIES 2 | |
2291 | ||
2292 | /* | |
2293 | * forward declarations | |
2294 | */ | |
2295 | static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, | |
2296 | struct bfa_fcxp_s *fcxp_alloced); | |
2297 | static void bfa_fcs_lport_ms_timeout(void *arg); | |
2298 | static void bfa_fcs_lport_ms_plogi_response(void *fcsarg, | |
2299 | struct bfa_fcxp_s *fcxp, | |
2300 | void *cbarg, | |
2301 | bfa_status_t req_status, | |
2302 | u32 rsp_len, | |
2303 | u32 resid_len, | |
2304 | struct fchs_s *rsp_fchs); | |
2305 | ||
2306 | static void bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, | |
2307 | struct bfa_fcxp_s *fcxp_alloced); | |
2308 | static void bfa_fcs_lport_ms_gmal_response(void *fcsarg, | |
2309 | struct bfa_fcxp_s *fcxp, | |
2310 | void *cbarg, | |
2311 | bfa_status_t req_status, | |
2312 | u32 rsp_len, | |
2313 | u32 resid_len, | |
2314 | struct fchs_s *rsp_fchs); | |
2315 | static void bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, | |
2316 | struct bfa_fcxp_s *fcxp_alloced); | |
2317 | static void bfa_fcs_lport_ms_gfn_response(void *fcsarg, | |
2318 | struct bfa_fcxp_s *fcxp, | |
2319 | void *cbarg, | |
2320 | bfa_status_t req_status, | |
2321 | u32 rsp_len, | |
2322 | u32 resid_len, | |
2323 | struct fchs_s *rsp_fchs); | |
2324 | /** | |
2325 | * fcs_ms_sm FCS MS state machine | |
2326 | */ | |
2327 | ||
2328 | /** | |
2329 | * MS State Machine events | |
2330 | */ | |
2331 | enum port_ms_event { | |
2332 | MSSM_EVENT_PORT_ONLINE = 1, | |
2333 | MSSM_EVENT_PORT_OFFLINE = 2, | |
2334 | MSSM_EVENT_RSP_OK = 3, | |
2335 | MSSM_EVENT_RSP_ERROR = 4, | |
2336 | MSSM_EVENT_TIMEOUT = 5, | |
2337 | MSSM_EVENT_FCXP_SENT = 6, | |
2338 | MSSM_EVENT_PORT_FABRIC_RSCN = 7 | |
2339 | }; | |
2340 | ||
2341 | static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms, | |
2342 | enum port_ms_event event); | |
2343 | static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms, | |
2344 | enum port_ms_event event); | |
2345 | static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms, | |
2346 | enum port_ms_event event); | |
2347 | static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms, | |
2348 | enum port_ms_event event); | |
2349 | static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms, | |
2350 | enum port_ms_event event); | |
2351 | static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms, | |
2352 | enum port_ms_event event); | |
2353 | static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms, | |
2354 | enum port_ms_event event); | |
2355 | static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms, | |
2356 | enum port_ms_event event); | |
2357 | static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms, | |
2358 | enum port_ms_event event); | |
2359 | static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms, | |
2360 | enum port_ms_event event); | |
2361 | static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms, | |
2362 | enum port_ms_event event); | |
2363 | /** | |
2364 | * Start in offline state - awaiting NS to send start. | |
2365 | */ | |
2366 | static void | |
2367 | bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms, | |
2368 | enum port_ms_event event) | |
2369 | { | |
2370 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2371 | bfa_trc(ms->port->fcs, event); | |
2372 | ||
2373 | switch (event) { | |
2374 | case MSSM_EVENT_PORT_ONLINE: | |
2375 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending); | |
2376 | bfa_fcs_lport_ms_send_plogi(ms, NULL); | |
2377 | break; | |
2378 | ||
2379 | case MSSM_EVENT_PORT_OFFLINE: | |
2380 | break; | |
2381 | ||
2382 | default: | |
2383 | bfa_sm_fault(ms->port->fcs, event); | |
2384 | } | |
2385 | } | |
2386 | ||
2387 | static void | |
2388 | bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms, | |
2389 | enum port_ms_event event) | |
2390 | { | |
2391 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2392 | bfa_trc(ms->port->fcs, event); | |
2393 | ||
2394 | switch (event) { | |
2395 | case MSSM_EVENT_FCXP_SENT: | |
2396 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi); | |
2397 | break; | |
2398 | ||
2399 | case MSSM_EVENT_PORT_OFFLINE: | |
2400 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2401 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), | |
2402 | &ms->fcxp_wqe); | |
2403 | break; | |
2404 | ||
2405 | default: | |
2406 | bfa_sm_fault(ms->port->fcs, event); | |
2407 | } | |
2408 | } | |
2409 | ||
2410 | static void | |
2411 | bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms, | |
2412 | enum port_ms_event event) | |
2413 | { | |
2414 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2415 | bfa_trc(ms->port->fcs, event); | |
2416 | ||
2417 | switch (event) { | |
2418 | case MSSM_EVENT_RSP_ERROR: | |
2419 | /* | |
2420 | * Start timer for a delayed retry | |
2421 | */ | |
2422 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry); | |
2423 | ms->port->stats.ms_retries++; | |
2424 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), | |
2425 | &ms->timer, bfa_fcs_lport_ms_timeout, ms, | |
2426 | BFA_FCS_RETRY_TIMEOUT); | |
2427 | break; | |
2428 | ||
2429 | case MSSM_EVENT_RSP_OK: | |
2430 | /* | |
2431 | * since plogi is done, now invoke MS related sub-modules | |
2432 | */ | |
2433 | bfa_fcs_lport_fdmi_online(ms); | |
2434 | ||
2435 | /** | |
2436 | * if this is a Vport, go to online state. | |
2437 | */ | |
2438 | if (ms->port->vport) { | |
2439 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online); | |
2440 | break; | |
2441 | } | |
2442 | ||
2443 | /* | |
2444 | * For a base port we need to get the | |
2445 | * switch's IP address. | |
2446 | */ | |
2447 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending); | |
2448 | bfa_fcs_lport_ms_send_gmal(ms, NULL); | |
2449 | break; | |
2450 | ||
2451 | case MSSM_EVENT_PORT_OFFLINE: | |
2452 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2453 | bfa_fcxp_discard(ms->fcxp); | |
2454 | break; | |
2455 | ||
2456 | default: | |
2457 | bfa_sm_fault(ms->port->fcs, event); | |
2458 | } | |
2459 | } | |
2460 | ||
2461 | static void | |
2462 | bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms, | |
2463 | enum port_ms_event event) | |
2464 | { | |
2465 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2466 | bfa_trc(ms->port->fcs, event); | |
2467 | ||
2468 | switch (event) { | |
2469 | case MSSM_EVENT_TIMEOUT: | |
2470 | /* | |
2471 | * Retry Timer Expired. Re-send | |
2472 | */ | |
2473 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending); | |
2474 | bfa_fcs_lport_ms_send_plogi(ms, NULL); | |
2475 | break; | |
2476 | ||
2477 | case MSSM_EVENT_PORT_OFFLINE: | |
2478 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2479 | bfa_timer_stop(&ms->timer); | |
2480 | break; | |
2481 | ||
2482 | default: | |
2483 | bfa_sm_fault(ms->port->fcs, event); | |
2484 | } | |
2485 | } | |
2486 | ||
2487 | static void | |
2488 | bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms, | |
2489 | enum port_ms_event event) | |
2490 | { | |
2491 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2492 | bfa_trc(ms->port->fcs, event); | |
2493 | ||
2494 | switch (event) { | |
2495 | case MSSM_EVENT_PORT_OFFLINE: | |
2496 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2497 | break; | |
2498 | ||
2499 | case MSSM_EVENT_PORT_FABRIC_RSCN: | |
2500 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending); | |
2501 | ms->retry_cnt = 0; | |
2502 | bfa_fcs_lport_ms_send_gfn(ms, NULL); | |
2503 | break; | |
2504 | ||
2505 | default: | |
2506 | bfa_sm_fault(ms->port->fcs, event); | |
2507 | } | |
2508 | } | |
2509 | ||
2510 | static void | |
2511 | bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms, | |
2512 | enum port_ms_event event) | |
2513 | { | |
2514 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2515 | bfa_trc(ms->port->fcs, event); | |
2516 | ||
2517 | switch (event) { | |
2518 | case MSSM_EVENT_FCXP_SENT: | |
2519 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal); | |
2520 | break; | |
2521 | ||
2522 | case MSSM_EVENT_PORT_OFFLINE: | |
2523 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2524 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), | |
2525 | &ms->fcxp_wqe); | |
2526 | break; | |
2527 | ||
2528 | default: | |
2529 | bfa_sm_fault(ms->port->fcs, event); | |
2530 | } | |
2531 | } | |
2532 | ||
2533 | static void | |
2534 | bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms, | |
2535 | enum port_ms_event event) | |
2536 | { | |
2537 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2538 | bfa_trc(ms->port->fcs, event); | |
2539 | ||
2540 | switch (event) { | |
2541 | case MSSM_EVENT_RSP_ERROR: | |
2542 | /* | |
2543 | * Start timer for a delayed retry | |
2544 | */ | |
2545 | if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) { | |
2546 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry); | |
2547 | ms->port->stats.ms_retries++; | |
2548 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), | |
2549 | &ms->timer, bfa_fcs_lport_ms_timeout, ms, | |
2550 | BFA_FCS_RETRY_TIMEOUT); | |
2551 | } else { | |
2552 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending); | |
2553 | bfa_fcs_lport_ms_send_gfn(ms, NULL); | |
2554 | ms->retry_cnt = 0; | |
2555 | } | |
2556 | break; | |
2557 | ||
2558 | case MSSM_EVENT_RSP_OK: | |
2559 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending); | |
2560 | bfa_fcs_lport_ms_send_gfn(ms, NULL); | |
2561 | break; | |
2562 | ||
2563 | case MSSM_EVENT_PORT_OFFLINE: | |
2564 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2565 | bfa_fcxp_discard(ms->fcxp); | |
2566 | break; | |
2567 | ||
2568 | default: | |
2569 | bfa_sm_fault(ms->port->fcs, event); | |
2570 | } | |
2571 | } | |
2572 | ||
2573 | static void | |
2574 | bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms, | |
2575 | enum port_ms_event event) | |
2576 | { | |
2577 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2578 | bfa_trc(ms->port->fcs, event); | |
2579 | ||
2580 | switch (event) { | |
2581 | case MSSM_EVENT_TIMEOUT: | |
2582 | /* | |
2583 | * Retry Timer Expired. Re-send | |
2584 | */ | |
2585 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending); | |
2586 | bfa_fcs_lport_ms_send_gmal(ms, NULL); | |
2587 | break; | |
2588 | ||
2589 | case MSSM_EVENT_PORT_OFFLINE: | |
2590 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2591 | bfa_timer_stop(&ms->timer); | |
2592 | break; | |
2593 | ||
2594 | default: | |
2595 | bfa_sm_fault(ms->port->fcs, event); | |
2596 | } | |
2597 | } | |
2598 | /** | |
2599 | * ms_pvt MS local functions | |
2600 | */ | |
2601 | ||
2602 | static void | |
2603 | bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
2604 | { | |
2605 | struct bfa_fcs_lport_ms_s *ms = ms_cbarg; | |
2606 | bfa_fcs_lport_t *port = ms->port; | |
2607 | struct fchs_s fchs; | |
2608 | int len; | |
2609 | struct bfa_fcxp_s *fcxp; | |
2610 | ||
2611 | bfa_trc(port->fcs, port->pid); | |
2612 | ||
2613 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
2614 | if (!fcxp) { | |
2615 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, | |
2616 | bfa_fcs_lport_ms_send_gmal, ms); | |
2617 | return; | |
2618 | } | |
2619 | ms->fcxp = fcxp; | |
2620 | ||
2621 | len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
2622 | bfa_fcs_lport_get_fcid(port), | |
2623 | bfa_lps_get_peer_nwwn(port->fabric->lps)); | |
2624 | ||
2625 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
2626 | FC_CLASS_3, len, &fchs, | |
2627 | bfa_fcs_lport_ms_gmal_response, (void *)ms, | |
2628 | FC_MAX_PDUSZ, FC_FCCT_TOV); | |
2629 | ||
2630 | bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); | |
2631 | } | |
2632 | ||
2633 | static void | |
2634 | bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
2635 | void *cbarg, bfa_status_t req_status, | |
2636 | u32 rsp_len, u32 resid_len, | |
2637 | struct fchs_s *rsp_fchs) | |
2638 | { | |
2639 | struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg; | |
2640 | bfa_fcs_lport_t *port = ms->port; | |
2641 | struct ct_hdr_s *cthdr = NULL; | |
2642 | struct fcgs_gmal_resp_s *gmal_resp; | |
2643 | struct fcgs_gmal_entry_s *gmal_entry; | |
2644 | u32 num_entries; | |
2645 | u8 *rsp_str; | |
2646 | ||
2647 | bfa_trc(port->fcs, req_status); | |
2648 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
2649 | ||
2650 | /* | |
2651 | * Sanity Checks | |
2652 | */ | |
2653 | if (req_status != BFA_STATUS_OK) { | |
2654 | bfa_trc(port->fcs, req_status); | |
2655 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); | |
2656 | return; | |
2657 | } | |
2658 | ||
2659 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
2660 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
2661 | ||
2662 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
2663 | gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1); | |
2664 | ||
2665 | num_entries = bfa_os_ntohl(gmal_resp->ms_len); | |
2666 | if (num_entries == 0) { | |
2667 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); | |
2668 | return; | |
2669 | } | |
2670 | /* | |
2671 | * The response could contain multiple Entries. | |
2672 | * Entries for SNMP interface, etc. | |
2673 | * We look for the entry with a telnet prefix. | |
2674 | * First "http://" entry refers to IP addr | |
2675 | */ | |
2676 | ||
2677 | gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma; | |
2678 | while (num_entries > 0) { | |
2679 | if (strncmp(gmal_entry->prefix, | |
2680 | CT_GMAL_RESP_PREFIX_HTTP, | |
2681 | sizeof(gmal_entry->prefix)) == 0) { | |
2682 | ||
2683 | /* | |
2684 | * if the IP address is terminating with a '/', | |
2685 | * remove it. | |
2686 | * Byte 0 consists of the length of the string. | |
2687 | */ | |
2688 | rsp_str = &(gmal_entry->prefix[0]); | |
2689 | if (rsp_str[gmal_entry->len-1] == '/') | |
2690 | rsp_str[gmal_entry->len-1] = 0; | |
2691 | ||
2692 | /* copy IP Address to fabric */ | |
2693 | strncpy(bfa_fcs_lport_get_fabric_ipaddr(port), | |
2694 | gmal_entry->ip_addr, | |
2695 | BFA_FCS_FABRIC_IPADDR_SZ); | |
2696 | break; | |
2697 | } else { | |
2698 | --num_entries; | |
2699 | ++gmal_entry; | |
2700 | } | |
2701 | } | |
2702 | ||
2703 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); | |
2704 | return; | |
2705 | } | |
2706 | ||
2707 | bfa_trc(port->fcs, cthdr->reason_code); | |
2708 | bfa_trc(port->fcs, cthdr->exp_code); | |
2709 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); | |
2710 | } | |
2711 | ||
2712 | static void | |
2713 | bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms, | |
2714 | enum port_ms_event event) | |
2715 | { | |
2716 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2717 | bfa_trc(ms->port->fcs, event); | |
2718 | ||
2719 | switch (event) { | |
2720 | case MSSM_EVENT_FCXP_SENT: | |
2721 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn); | |
2722 | break; | |
2723 | ||
2724 | case MSSM_EVENT_PORT_OFFLINE: | |
2725 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2726 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), | |
2727 | &ms->fcxp_wqe); | |
2728 | break; | |
2729 | ||
2730 | default: | |
2731 | bfa_sm_fault(ms->port->fcs, event); | |
2732 | } | |
2733 | } | |
2734 | ||
2735 | static void | |
2736 | bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms, | |
2737 | enum port_ms_event event) | |
2738 | { | |
2739 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2740 | bfa_trc(ms->port->fcs, event); | |
2741 | ||
2742 | switch (event) { | |
2743 | case MSSM_EVENT_RSP_ERROR: | |
2744 | /* | |
2745 | * Start timer for a delayed retry | |
2746 | */ | |
2747 | if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) { | |
2748 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry); | |
2749 | ms->port->stats.ms_retries++; | |
2750 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), | |
2751 | &ms->timer, bfa_fcs_lport_ms_timeout, ms, | |
2752 | BFA_FCS_RETRY_TIMEOUT); | |
2753 | } else { | |
2754 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online); | |
2755 | ms->retry_cnt = 0; | |
2756 | } | |
2757 | break; | |
2758 | ||
2759 | case MSSM_EVENT_RSP_OK: | |
2760 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online); | |
2761 | break; | |
2762 | ||
2763 | case MSSM_EVENT_PORT_OFFLINE: | |
2764 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2765 | bfa_fcxp_discard(ms->fcxp); | |
2766 | break; | |
2767 | ||
2768 | default: | |
2769 | bfa_sm_fault(ms->port->fcs, event); | |
2770 | } | |
2771 | } | |
2772 | ||
2773 | static void | |
2774 | bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms, | |
2775 | enum port_ms_event event) | |
2776 | { | |
2777 | bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); | |
2778 | bfa_trc(ms->port->fcs, event); | |
2779 | ||
2780 | switch (event) { | |
2781 | case MSSM_EVENT_TIMEOUT: | |
2782 | /* | |
2783 | * Retry Timer Expired. Re-send | |
2784 | */ | |
2785 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending); | |
2786 | bfa_fcs_lport_ms_send_gfn(ms, NULL); | |
2787 | break; | |
2788 | ||
2789 | case MSSM_EVENT_PORT_OFFLINE: | |
2790 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2791 | bfa_timer_stop(&ms->timer); | |
2792 | break; | |
2793 | ||
2794 | default: | |
2795 | bfa_sm_fault(ms->port->fcs, event); | |
2796 | } | |
2797 | } | |
2798 | /** | |
2799 | * ms_pvt MS local functions | |
2800 | */ | |
2801 | ||
2802 | static void | |
2803 | bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
2804 | { | |
2805 | struct bfa_fcs_lport_ms_s *ms = ms_cbarg; | |
2806 | bfa_fcs_lport_t *port = ms->port; | |
2807 | struct fchs_s fchs; | |
2808 | int len; | |
2809 | struct bfa_fcxp_s *fcxp; | |
2810 | ||
2811 | bfa_trc(port->fcs, port->pid); | |
2812 | ||
2813 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
2814 | if (!fcxp) { | |
2815 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, | |
2816 | bfa_fcs_lport_ms_send_gfn, ms); | |
2817 | return; | |
2818 | } | |
2819 | ms->fcxp = fcxp; | |
2820 | ||
2821 | len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
2822 | bfa_fcs_lport_get_fcid(port), | |
2823 | bfa_lps_get_peer_nwwn(port->fabric->lps)); | |
2824 | ||
2825 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
2826 | FC_CLASS_3, len, &fchs, | |
2827 | bfa_fcs_lport_ms_gfn_response, (void *)ms, | |
2828 | FC_MAX_PDUSZ, FC_FCCT_TOV); | |
2829 | ||
2830 | bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); | |
2831 | } | |
2832 | ||
2833 | static void | |
2834 | bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
2835 | void *cbarg, bfa_status_t req_status, u32 rsp_len, | |
2836 | u32 resid_len, struct fchs_s *rsp_fchs) | |
2837 | { | |
2838 | struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg; | |
2839 | bfa_fcs_lport_t *port = ms->port; | |
2840 | struct ct_hdr_s *cthdr = NULL; | |
2841 | wwn_t *gfn_resp; | |
2842 | ||
2843 | bfa_trc(port->fcs, req_status); | |
2844 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
2845 | ||
2846 | /* | |
2847 | * Sanity Checks | |
2848 | */ | |
2849 | if (req_status != BFA_STATUS_OK) { | |
2850 | bfa_trc(port->fcs, req_status); | |
2851 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); | |
2852 | return; | |
2853 | } | |
2854 | ||
2855 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
2856 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
2857 | ||
2858 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
2859 | gfn_resp = (wwn_t *)(cthdr + 1); | |
2860 | /* check if it has actually changed */ | |
2861 | if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port), | |
2862 | gfn_resp, sizeof(wwn_t)) != 0)) { | |
2863 | bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp); | |
2864 | } | |
2865 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); | |
2866 | return; | |
2867 | } | |
2868 | ||
2869 | bfa_trc(port->fcs, cthdr->reason_code); | |
2870 | bfa_trc(port->fcs, cthdr->exp_code); | |
2871 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); | |
2872 | } | |
2873 | ||
2874 | /** | |
2875 | * ms_pvt MS local functions | |
2876 | */ | |
2877 | ||
2878 | static void | |
2879 | bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
2880 | { | |
2881 | struct bfa_fcs_lport_ms_s *ms = ms_cbarg; | |
2882 | struct bfa_fcs_lport_s *port = ms->port; | |
2883 | struct fchs_s fchs; | |
2884 | int len; | |
2885 | struct bfa_fcxp_s *fcxp; | |
2886 | ||
2887 | bfa_trc(port->fcs, port->pid); | |
2888 | ||
2889 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
2890 | if (!fcxp) { | |
2891 | port->stats.ms_plogi_alloc_wait++; | |
2892 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, | |
2893 | bfa_fcs_lport_ms_send_plogi, ms); | |
2894 | return; | |
2895 | } | |
2896 | ms->fcxp = fcxp; | |
2897 | ||
2898 | len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
2899 | bfa_os_hton3b(FC_MGMT_SERVER), | |
2900 | bfa_fcs_lport_get_fcid(port), 0, | |
2901 | port->port_cfg.pwwn, port->port_cfg.nwwn, | |
2902 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); | |
2903 | ||
2904 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
2905 | FC_CLASS_3, len, &fchs, | |
2906 | bfa_fcs_lport_ms_plogi_response, (void *)ms, | |
2907 | FC_MAX_PDUSZ, FC_ELS_TOV); | |
2908 | ||
2909 | port->stats.ms_plogi_sent++; | |
2910 | bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); | |
2911 | } | |
2912 | ||
2913 | static void | |
2914 | bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
2915 | void *cbarg, bfa_status_t req_status, | |
2916 | u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) | |
2917 | { | |
2918 | struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg; | |
2919 | struct bfa_fcs_lport_s *port = ms->port; | |
2920 | struct fc_els_cmd_s *els_cmd; | |
2921 | struct fc_ls_rjt_s *ls_rjt; | |
2922 | ||
2923 | bfa_trc(port->fcs, req_status); | |
2924 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
2925 | ||
2926 | /* | |
2927 | * Sanity Checks | |
2928 | */ | |
2929 | if (req_status != BFA_STATUS_OK) { | |
2930 | port->stats.ms_plogi_rsp_err++; | |
2931 | bfa_trc(port->fcs, req_status); | |
2932 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); | |
2933 | return; | |
2934 | } | |
2935 | ||
2936 | els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); | |
2937 | ||
2938 | switch (els_cmd->els_code) { | |
2939 | ||
2940 | case FC_ELS_ACC: | |
2941 | if (rsp_len < sizeof(struct fc_logi_s)) { | |
2942 | bfa_trc(port->fcs, rsp_len); | |
2943 | port->stats.ms_plogi_acc_err++; | |
2944 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); | |
2945 | break; | |
2946 | } | |
2947 | port->stats.ms_plogi_accepts++; | |
2948 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); | |
2949 | break; | |
2950 | ||
2951 | case FC_ELS_LS_RJT: | |
2952 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
2953 | ||
2954 | bfa_trc(port->fcs, ls_rjt->reason_code); | |
2955 | bfa_trc(port->fcs, ls_rjt->reason_code_expl); | |
2956 | ||
2957 | port->stats.ms_rejects++; | |
2958 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); | |
2959 | break; | |
2960 | ||
2961 | default: | |
2962 | port->stats.ms_plogi_unknown_rsp++; | |
2963 | bfa_trc(port->fcs, els_cmd->els_code); | |
2964 | bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); | |
2965 | } | |
2966 | } | |
2967 | ||
2968 | static void | |
2969 | bfa_fcs_lport_ms_timeout(void *arg) | |
2970 | { | |
2971 | struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg; | |
2972 | ||
2973 | ms->port->stats.ms_timeouts++; | |
2974 | bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT); | |
2975 | } | |
2976 | ||
2977 | ||
2978 | void | |
2979 | bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port) | |
2980 | { | |
2981 | struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); | |
2982 | ||
2983 | ms->port = port; | |
2984 | bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); | |
2985 | ||
2986 | /* | |
2987 | * Invoke init routines of sub modules. | |
2988 | */ | |
2989 | bfa_fcs_lport_fdmi_init(ms); | |
2990 | } | |
2991 | ||
2992 | void | |
2993 | bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port) | |
2994 | { | |
2995 | struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); | |
2996 | ||
2997 | ms->port = port; | |
2998 | bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE); | |
2999 | bfa_fcs_lport_fdmi_offline(ms); | |
3000 | } | |
3001 | ||
3002 | void | |
3003 | bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port) | |
3004 | { | |
3005 | struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); | |
3006 | ||
3007 | ms->port = port; | |
3008 | bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE); | |
3009 | } | |
3010 | void | |
3011 | bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port) | |
3012 | { | |
3013 | struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); | |
3014 | ||
3015 | /* todo. Handle this only when in Online state */ | |
3016 | if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online)) | |
3017 | bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN); | |
3018 | } | |
3019 | ||
3020 | /** | |
3021 | * @page ns_sm_info VPORT NS State Machine | |
3022 | * | |
3023 | * @section ns_sm_interactions VPORT NS State Machine Interactions | |
3024 | * | |
3025 | * @section ns_sm VPORT NS State Machine | |
3026 | * img ns_sm.jpg | |
3027 | */ | |
3028 | ||
3029 | /* | |
3030 | * forward declarations | |
3031 | */ | |
3032 | static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, | |
3033 | struct bfa_fcxp_s *fcxp_alloced); | |
3034 | static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, | |
3035 | struct bfa_fcxp_s *fcxp_alloced); | |
3036 | static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, | |
3037 | struct bfa_fcxp_s *fcxp_alloced); | |
3038 | static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, | |
3039 | struct bfa_fcxp_s *fcxp_alloced); | |
3040 | static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, | |
3041 | struct bfa_fcxp_s *fcxp_alloced); | |
3042 | static void bfa_fcs_lport_ns_timeout(void *arg); | |
3043 | static void bfa_fcs_lport_ns_plogi_response(void *fcsarg, | |
3044 | struct bfa_fcxp_s *fcxp, | |
3045 | void *cbarg, | |
3046 | bfa_status_t req_status, | |
3047 | u32 rsp_len, | |
3048 | u32 resid_len, | |
3049 | struct fchs_s *rsp_fchs); | |
3050 | static void bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, | |
3051 | struct bfa_fcxp_s *fcxp, | |
3052 | void *cbarg, | |
3053 | bfa_status_t req_status, | |
3054 | u32 rsp_len, | |
3055 | u32 resid_len, | |
3056 | struct fchs_s *rsp_fchs); | |
3057 | static void bfa_fcs_lport_ns_rft_id_response(void *fcsarg, | |
3058 | struct bfa_fcxp_s *fcxp, | |
3059 | void *cbarg, | |
3060 | bfa_status_t req_status, | |
3061 | u32 rsp_len, | |
3062 | u32 resid_len, | |
3063 | struct fchs_s *rsp_fchs); | |
3064 | static void bfa_fcs_lport_ns_rff_id_response(void *fcsarg, | |
3065 | struct bfa_fcxp_s *fcxp, | |
3066 | void *cbarg, | |
3067 | bfa_status_t req_status, | |
3068 | u32 rsp_len, | |
3069 | u32 resid_len, | |
3070 | struct fchs_s *rsp_fchs); | |
3071 | static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, | |
3072 | struct bfa_fcxp_s *fcxp, | |
3073 | void *cbarg, | |
3074 | bfa_status_t req_status, | |
3075 | u32 rsp_len, | |
3076 | u32 resid_len, | |
3077 | struct fchs_s *rsp_fchs); | |
3078 | static void bfa_fcs_lport_ns_process_gidft_pids( | |
3079 | struct bfa_fcs_lport_s *port, | |
3080 | u32 *pid_buf, u32 n_pids); | |
3081 | ||
3082 | static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port); | |
3083 | /** | |
3084 | * fcs_ns_sm FCS nameserver interface state machine | |
3085 | */ | |
3086 | ||
3087 | /** | |
3088 | * VPort NS State Machine events | |
3089 | */ | |
3090 | enum vport_ns_event { | |
3091 | NSSM_EVENT_PORT_ONLINE = 1, | |
3092 | NSSM_EVENT_PORT_OFFLINE = 2, | |
3093 | NSSM_EVENT_PLOGI_SENT = 3, | |
3094 | NSSM_EVENT_RSP_OK = 4, | |
3095 | NSSM_EVENT_RSP_ERROR = 5, | |
3096 | NSSM_EVENT_TIMEOUT = 6, | |
3097 | NSSM_EVENT_NS_QUERY = 7, | |
3098 | NSSM_EVENT_RSPNID_SENT = 8, | |
3099 | NSSM_EVENT_RFTID_SENT = 9, | |
3100 | NSSM_EVENT_RFFID_SENT = 10, | |
3101 | NSSM_EVENT_GIDFT_SENT = 11, | |
3102 | }; | |
3103 | ||
3104 | static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns, | |
3105 | enum vport_ns_event event); | |
3106 | static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns, | |
3107 | enum vport_ns_event event); | |
3108 | static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns, | |
3109 | enum vport_ns_event event); | |
3110 | static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns, | |
3111 | enum vport_ns_event event); | |
3112 | static void bfa_fcs_lport_ns_sm_sending_rspn_id( | |
3113 | struct bfa_fcs_lport_ns_s *ns, | |
3114 | enum vport_ns_event event); | |
3115 | static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns, | |
3116 | enum vport_ns_event event); | |
3117 | static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns, | |
3118 | enum vport_ns_event event); | |
3119 | static void bfa_fcs_lport_ns_sm_sending_rft_id( | |
3120 | struct bfa_fcs_lport_ns_s *ns, | |
3121 | enum vport_ns_event event); | |
3122 | static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns, | |
3123 | enum vport_ns_event event); | |
3124 | static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns, | |
3125 | enum vport_ns_event event); | |
3126 | static void bfa_fcs_lport_ns_sm_sending_rff_id( | |
3127 | struct bfa_fcs_lport_ns_s *ns, | |
3128 | enum vport_ns_event event); | |
3129 | static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns, | |
3130 | enum vport_ns_event event); | |
3131 | static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns, | |
3132 | enum vport_ns_event event); | |
3133 | static void bfa_fcs_lport_ns_sm_sending_gid_ft( | |
3134 | struct bfa_fcs_lport_ns_s *ns, | |
3135 | enum vport_ns_event event); | |
3136 | static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns, | |
3137 | enum vport_ns_event event); | |
3138 | static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns, | |
3139 | enum vport_ns_event event); | |
3140 | static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns, | |
3141 | enum vport_ns_event event); | |
3142 | /** | |
3143 | * Start in offline state - awaiting linkup | |
3144 | */ | |
3145 | static void | |
3146 | bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns, | |
3147 | enum vport_ns_event event) | |
3148 | { | |
3149 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3150 | bfa_trc(ns->port->fcs, event); | |
3151 | ||
3152 | switch (event) { | |
3153 | case NSSM_EVENT_PORT_ONLINE: | |
3154 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending); | |
3155 | bfa_fcs_lport_ns_send_plogi(ns, NULL); | |
3156 | break; | |
3157 | ||
3158 | case NSSM_EVENT_PORT_OFFLINE: | |
3159 | break; | |
3160 | ||
3161 | default: | |
3162 | bfa_sm_fault(ns->port->fcs, event); | |
3163 | } | |
3164 | } | |
3165 | ||
3166 | static void | |
3167 | bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns, | |
3168 | enum vport_ns_event event) | |
3169 | { | |
3170 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3171 | bfa_trc(ns->port->fcs, event); | |
3172 | ||
3173 | switch (event) { | |
3174 | case NSSM_EVENT_PLOGI_SENT: | |
3175 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi); | |
3176 | break; | |
3177 | ||
3178 | case NSSM_EVENT_PORT_OFFLINE: | |
3179 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3180 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), | |
3181 | &ns->fcxp_wqe); | |
3182 | break; | |
3183 | ||
3184 | default: | |
3185 | bfa_sm_fault(ns->port->fcs, event); | |
3186 | } | |
3187 | } | |
3188 | ||
3189 | static void | |
3190 | bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns, | |
3191 | enum vport_ns_event event) | |
3192 | { | |
3193 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3194 | bfa_trc(ns->port->fcs, event); | |
3195 | ||
3196 | switch (event) { | |
3197 | case NSSM_EVENT_RSP_ERROR: | |
3198 | /* | |
3199 | * Start timer for a delayed retry | |
3200 | */ | |
3201 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry); | |
3202 | ns->port->stats.ns_retries++; | |
3203 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), | |
3204 | &ns->timer, bfa_fcs_lport_ns_timeout, ns, | |
3205 | BFA_FCS_RETRY_TIMEOUT); | |
3206 | break; | |
3207 | ||
3208 | case NSSM_EVENT_RSP_OK: | |
3209 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id); | |
3210 | bfa_fcs_lport_ns_send_rspn_id(ns, NULL); | |
3211 | break; | |
3212 | ||
3213 | case NSSM_EVENT_PORT_OFFLINE: | |
3214 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3215 | bfa_fcxp_discard(ns->fcxp); | |
3216 | break; | |
3217 | ||
3218 | default: | |
3219 | bfa_sm_fault(ns->port->fcs, event); | |
3220 | } | |
3221 | } | |
3222 | ||
3223 | static void | |
3224 | bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns, | |
3225 | enum vport_ns_event event) | |
3226 | { | |
3227 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3228 | bfa_trc(ns->port->fcs, event); | |
3229 | ||
3230 | switch (event) { | |
3231 | case NSSM_EVENT_TIMEOUT: | |
3232 | /* | |
3233 | * Retry Timer Expired. Re-send | |
3234 | */ | |
3235 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending); | |
3236 | bfa_fcs_lport_ns_send_plogi(ns, NULL); | |
3237 | break; | |
3238 | ||
3239 | case NSSM_EVENT_PORT_OFFLINE: | |
3240 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3241 | bfa_timer_stop(&ns->timer); | |
3242 | break; | |
3243 | ||
3244 | default: | |
3245 | bfa_sm_fault(ns->port->fcs, event); | |
3246 | } | |
3247 | } | |
3248 | ||
3249 | static void | |
3250 | bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns, | |
3251 | enum vport_ns_event event) | |
3252 | { | |
3253 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3254 | bfa_trc(ns->port->fcs, event); | |
3255 | ||
3256 | switch (event) { | |
3257 | case NSSM_EVENT_RSPNID_SENT: | |
3258 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id); | |
3259 | break; | |
3260 | ||
3261 | case NSSM_EVENT_PORT_OFFLINE: | |
3262 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3263 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), | |
3264 | &ns->fcxp_wqe); | |
3265 | break; | |
3266 | ||
3267 | default: | |
3268 | bfa_sm_fault(ns->port->fcs, event); | |
3269 | } | |
3270 | } | |
3271 | ||
3272 | static void | |
3273 | bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns, | |
3274 | enum vport_ns_event event) | |
3275 | { | |
3276 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3277 | bfa_trc(ns->port->fcs, event); | |
3278 | ||
3279 | switch (event) { | |
3280 | case NSSM_EVENT_RSP_ERROR: | |
3281 | /* | |
3282 | * Start timer for a delayed retry | |
3283 | */ | |
3284 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry); | |
3285 | ns->port->stats.ns_retries++; | |
3286 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), | |
3287 | &ns->timer, bfa_fcs_lport_ns_timeout, ns, | |
3288 | BFA_FCS_RETRY_TIMEOUT); | |
3289 | break; | |
3290 | ||
3291 | case NSSM_EVENT_RSP_OK: | |
3292 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id); | |
3293 | bfa_fcs_lport_ns_send_rft_id(ns, NULL); | |
3294 | break; | |
3295 | ||
3296 | case NSSM_EVENT_PORT_OFFLINE: | |
3297 | bfa_fcxp_discard(ns->fcxp); | |
3298 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3299 | break; | |
3300 | ||
3301 | default: | |
3302 | bfa_sm_fault(ns->port->fcs, event); | |
3303 | } | |
3304 | } | |
3305 | ||
3306 | static void | |
3307 | bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns, | |
3308 | enum vport_ns_event event) | |
3309 | { | |
3310 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3311 | bfa_trc(ns->port->fcs, event); | |
3312 | ||
3313 | switch (event) { | |
3314 | case NSSM_EVENT_TIMEOUT: | |
3315 | /* | |
3316 | * Retry Timer Expired. Re-send | |
3317 | */ | |
3318 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id); | |
3319 | bfa_fcs_lport_ns_send_rspn_id(ns, NULL); | |
3320 | break; | |
3321 | ||
3322 | case NSSM_EVENT_PORT_OFFLINE: | |
3323 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3324 | bfa_timer_stop(&ns->timer); | |
3325 | break; | |
3326 | ||
3327 | default: | |
3328 | bfa_sm_fault(ns->port->fcs, event); | |
3329 | } | |
3330 | } | |
3331 | ||
3332 | static void | |
3333 | bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns, | |
3334 | enum vport_ns_event event) | |
3335 | { | |
3336 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3337 | bfa_trc(ns->port->fcs, event); | |
3338 | ||
3339 | switch (event) { | |
3340 | case NSSM_EVENT_RFTID_SENT: | |
3341 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id); | |
3342 | break; | |
3343 | ||
3344 | case NSSM_EVENT_PORT_OFFLINE: | |
3345 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3346 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), | |
3347 | &ns->fcxp_wqe); | |
3348 | break; | |
3349 | ||
3350 | default: | |
3351 | bfa_sm_fault(ns->port->fcs, event); | |
3352 | } | |
3353 | } | |
3354 | ||
3355 | static void | |
3356 | bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns, | |
3357 | enum vport_ns_event event) | |
3358 | { | |
3359 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3360 | bfa_trc(ns->port->fcs, event); | |
3361 | ||
3362 | switch (event) { | |
3363 | case NSSM_EVENT_RSP_OK: | |
3364 | /* Now move to register FC4 Features */ | |
3365 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id); | |
3366 | bfa_fcs_lport_ns_send_rff_id(ns, NULL); | |
3367 | break; | |
3368 | ||
3369 | case NSSM_EVENT_RSP_ERROR: | |
3370 | /* | |
3371 | * Start timer for a delayed retry | |
3372 | */ | |
3373 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry); | |
3374 | ns->port->stats.ns_retries++; | |
3375 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), | |
3376 | &ns->timer, bfa_fcs_lport_ns_timeout, ns, | |
3377 | BFA_FCS_RETRY_TIMEOUT); | |
3378 | break; | |
3379 | ||
3380 | case NSSM_EVENT_PORT_OFFLINE: | |
3381 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3382 | bfa_fcxp_discard(ns->fcxp); | |
3383 | break; | |
3384 | ||
3385 | default: | |
3386 | bfa_sm_fault(ns->port->fcs, event); | |
3387 | } | |
3388 | } | |
3389 | ||
3390 | static void | |
3391 | bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns, | |
3392 | enum vport_ns_event event) | |
3393 | { | |
3394 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3395 | bfa_trc(ns->port->fcs, event); | |
3396 | ||
3397 | switch (event) { | |
3398 | case NSSM_EVENT_TIMEOUT: | |
3399 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id); | |
3400 | bfa_fcs_lport_ns_send_rft_id(ns, NULL); | |
3401 | break; | |
3402 | ||
3403 | case NSSM_EVENT_PORT_OFFLINE: | |
3404 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3405 | bfa_timer_stop(&ns->timer); | |
3406 | break; | |
3407 | ||
3408 | default: | |
3409 | bfa_sm_fault(ns->port->fcs, event); | |
3410 | } | |
3411 | } | |
3412 | ||
3413 | static void | |
3414 | bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns, | |
3415 | enum vport_ns_event event) | |
3416 | { | |
3417 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3418 | bfa_trc(ns->port->fcs, event); | |
3419 | ||
3420 | switch (event) { | |
3421 | case NSSM_EVENT_RFFID_SENT: | |
3422 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id); | |
3423 | break; | |
3424 | ||
3425 | case NSSM_EVENT_PORT_OFFLINE: | |
3426 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3427 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), | |
3428 | &ns->fcxp_wqe); | |
3429 | break; | |
3430 | ||
3431 | default: | |
3432 | bfa_sm_fault(ns->port->fcs, event); | |
3433 | } | |
3434 | } | |
3435 | ||
3436 | static void | |
3437 | bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns, | |
3438 | enum vport_ns_event event) | |
3439 | { | |
3440 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3441 | bfa_trc(ns->port->fcs, event); | |
3442 | ||
3443 | switch (event) { | |
3444 | case NSSM_EVENT_RSP_OK: | |
3445 | ||
3446 | /* | |
3447 | * If min cfg mode is enabled, we donot initiate rport | |
3448 | * discovery with the fabric. Instead, we will retrieve the | |
3449 | * boot targets from HAL/FW. | |
3450 | */ | |
3451 | if (__fcs_min_cfg(ns->port->fcs)) { | |
3452 | bfa_fcs_lport_ns_boot_target_disc(ns->port); | |
3453 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online); | |
3454 | return; | |
3455 | } | |
3456 | ||
3457 | /* | |
3458 | * If the port role is Initiator Mode issue NS query. | |
3459 | * If it is Target Mode, skip this and go to online. | |
3460 | */ | |
3461 | if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) { | |
3462 | bfa_sm_set_state(ns, | |
3463 | bfa_fcs_lport_ns_sm_sending_gid_ft); | |
3464 | bfa_fcs_lport_ns_send_gid_ft(ns, NULL); | |
3465 | } | |
3466 | /* | |
3467 | * kick off mgmt srvr state machine | |
3468 | */ | |
3469 | bfa_fcs_lport_ms_online(ns->port); | |
3470 | break; | |
3471 | ||
3472 | case NSSM_EVENT_RSP_ERROR: | |
3473 | /* | |
3474 | * Start timer for a delayed retry | |
3475 | */ | |
3476 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry); | |
3477 | ns->port->stats.ns_retries++; | |
3478 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), | |
3479 | &ns->timer, bfa_fcs_lport_ns_timeout, ns, | |
3480 | BFA_FCS_RETRY_TIMEOUT); | |
3481 | break; | |
3482 | ||
3483 | case NSSM_EVENT_PORT_OFFLINE: | |
3484 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3485 | bfa_fcxp_discard(ns->fcxp); | |
3486 | break; | |
3487 | ||
3488 | default: | |
3489 | bfa_sm_fault(ns->port->fcs, event); | |
3490 | } | |
3491 | } | |
3492 | ||
3493 | static void | |
3494 | bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns, | |
3495 | enum vport_ns_event event) | |
3496 | { | |
3497 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3498 | bfa_trc(ns->port->fcs, event); | |
3499 | ||
3500 | switch (event) { | |
3501 | case NSSM_EVENT_TIMEOUT: | |
3502 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id); | |
3503 | bfa_fcs_lport_ns_send_rff_id(ns, NULL); | |
3504 | break; | |
3505 | ||
3506 | case NSSM_EVENT_PORT_OFFLINE: | |
3507 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3508 | bfa_timer_stop(&ns->timer); | |
3509 | break; | |
3510 | ||
3511 | default: | |
3512 | bfa_sm_fault(ns->port->fcs, event); | |
3513 | } | |
3514 | } | |
3515 | static void | |
3516 | bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns, | |
3517 | enum vport_ns_event event) | |
3518 | { | |
3519 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3520 | bfa_trc(ns->port->fcs, event); | |
3521 | ||
3522 | switch (event) { | |
3523 | case NSSM_EVENT_GIDFT_SENT: | |
3524 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft); | |
3525 | break; | |
3526 | ||
3527 | case NSSM_EVENT_PORT_OFFLINE: | |
3528 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3529 | bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), | |
3530 | &ns->fcxp_wqe); | |
3531 | break; | |
3532 | ||
3533 | default: | |
3534 | bfa_sm_fault(ns->port->fcs, event); | |
3535 | } | |
3536 | } | |
3537 | ||
3538 | static void | |
3539 | bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns, | |
3540 | enum vport_ns_event event) | |
3541 | { | |
3542 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3543 | bfa_trc(ns->port->fcs, event); | |
3544 | ||
3545 | switch (event) { | |
3546 | case NSSM_EVENT_RSP_OK: | |
3547 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online); | |
3548 | break; | |
3549 | ||
3550 | case NSSM_EVENT_RSP_ERROR: | |
3551 | /* | |
3552 | * TBD: for certain reject codes, we don't need to retry | |
3553 | */ | |
3554 | /* | |
3555 | * Start timer for a delayed retry | |
3556 | */ | |
3557 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry); | |
3558 | ns->port->stats.ns_retries++; | |
3559 | bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), | |
3560 | &ns->timer, bfa_fcs_lport_ns_timeout, ns, | |
3561 | BFA_FCS_RETRY_TIMEOUT); | |
3562 | break; | |
3563 | ||
3564 | case NSSM_EVENT_PORT_OFFLINE: | |
3565 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3566 | bfa_fcxp_discard(ns->fcxp); | |
3567 | break; | |
3568 | ||
3569 | case NSSM_EVENT_NS_QUERY: | |
3570 | break; | |
3571 | ||
3572 | default: | |
3573 | bfa_sm_fault(ns->port->fcs, event); | |
3574 | } | |
3575 | } | |
3576 | ||
3577 | static void | |
3578 | bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns, | |
3579 | enum vport_ns_event event) | |
3580 | { | |
3581 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3582 | bfa_trc(ns->port->fcs, event); | |
3583 | ||
3584 | switch (event) { | |
3585 | case NSSM_EVENT_TIMEOUT: | |
3586 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft); | |
3587 | bfa_fcs_lport_ns_send_gid_ft(ns, NULL); | |
3588 | break; | |
3589 | ||
3590 | case NSSM_EVENT_PORT_OFFLINE: | |
3591 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3592 | bfa_timer_stop(&ns->timer); | |
3593 | break; | |
3594 | ||
3595 | default: | |
3596 | bfa_sm_fault(ns->port->fcs, event); | |
3597 | } | |
3598 | } | |
3599 | ||
3600 | static void | |
3601 | bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns, | |
3602 | enum vport_ns_event event) | |
3603 | { | |
3604 | bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); | |
3605 | bfa_trc(ns->port->fcs, event); | |
3606 | ||
3607 | switch (event) { | |
3608 | case NSSM_EVENT_PORT_OFFLINE: | |
3609 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
3610 | break; | |
3611 | ||
3612 | case NSSM_EVENT_NS_QUERY: | |
3613 | /* | |
3614 | * If the port role is Initiator Mode issue NS query. | |
3615 | * If it is Target Mode, skip this and go to online. | |
3616 | */ | |
3617 | if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) { | |
3618 | bfa_sm_set_state(ns, | |
3619 | bfa_fcs_lport_ns_sm_sending_gid_ft); | |
3620 | bfa_fcs_lport_ns_send_gid_ft(ns, NULL); | |
3621 | }; | |
3622 | break; | |
3623 | ||
3624 | default: | |
3625 | bfa_sm_fault(ns->port->fcs, event); | |
3626 | } | |
3627 | } | |
3628 | ||
3629 | ||
3630 | ||
3631 | /** | |
3632 | * ns_pvt Nameserver local functions | |
3633 | */ | |
3634 | ||
3635 | static void | |
3636 | bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
3637 | { | |
3638 | struct bfa_fcs_lport_ns_s *ns = ns_cbarg; | |
3639 | struct bfa_fcs_lport_s *port = ns->port; | |
3640 | struct fchs_s fchs; | |
3641 | int len; | |
3642 | struct bfa_fcxp_s *fcxp; | |
3643 | ||
3644 | bfa_trc(port->fcs, port->pid); | |
3645 | ||
3646 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
3647 | if (!fcxp) { | |
3648 | port->stats.ns_plogi_alloc_wait++; | |
3649 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, | |
3650 | bfa_fcs_lport_ns_send_plogi, ns); | |
3651 | return; | |
3652 | } | |
3653 | ns->fcxp = fcxp; | |
3654 | ||
3655 | len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
3656 | bfa_os_hton3b(FC_NAME_SERVER), | |
3657 | bfa_fcs_lport_get_fcid(port), 0, | |
3658 | port->port_cfg.pwwn, port->port_cfg.nwwn, | |
3659 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); | |
3660 | ||
3661 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
3662 | FC_CLASS_3, len, &fchs, | |
3663 | bfa_fcs_lport_ns_plogi_response, (void *)ns, | |
3664 | FC_MAX_PDUSZ, FC_ELS_TOV); | |
3665 | port->stats.ns_plogi_sent++; | |
3666 | ||
3667 | bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT); | |
3668 | } | |
3669 | ||
3670 | static void | |
3671 | bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
3672 | void *cbarg, bfa_status_t req_status, u32 rsp_len, | |
3673 | u32 resid_len, struct fchs_s *rsp_fchs) | |
3674 | { | |
3675 | struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg; | |
3676 | struct bfa_fcs_lport_s *port = ns->port; | |
3677 | /* struct fc_logi_s *plogi_resp; */ | |
3678 | struct fc_els_cmd_s *els_cmd; | |
3679 | struct fc_ls_rjt_s *ls_rjt; | |
3680 | ||
3681 | bfa_trc(port->fcs, req_status); | |
3682 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
3683 | ||
3684 | /* | |
3685 | * Sanity Checks | |
3686 | */ | |
3687 | if (req_status != BFA_STATUS_OK) { | |
3688 | bfa_trc(port->fcs, req_status); | |
3689 | port->stats.ns_plogi_rsp_err++; | |
3690 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
3691 | return; | |
3692 | } | |
3693 | ||
3694 | els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); | |
3695 | ||
3696 | switch (els_cmd->els_code) { | |
3697 | ||
3698 | case FC_ELS_ACC: | |
3699 | if (rsp_len < sizeof(struct fc_logi_s)) { | |
3700 | bfa_trc(port->fcs, rsp_len); | |
3701 | port->stats.ns_plogi_acc_err++; | |
3702 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
3703 | break; | |
3704 | } | |
3705 | port->stats.ns_plogi_accepts++; | |
3706 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); | |
3707 | break; | |
3708 | ||
3709 | case FC_ELS_LS_RJT: | |
3710 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
3711 | ||
3712 | bfa_trc(port->fcs, ls_rjt->reason_code); | |
3713 | bfa_trc(port->fcs, ls_rjt->reason_code_expl); | |
3714 | ||
3715 | port->stats.ns_rejects++; | |
3716 | ||
3717 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
3718 | break; | |
3719 | ||
3720 | default: | |
3721 | port->stats.ns_plogi_unknown_rsp++; | |
3722 | bfa_trc(port->fcs, els_cmd->els_code); | |
3723 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
3724 | } | |
3725 | } | |
3726 | ||
3727 | /** | |
3728 | * Register the symbolic port name. | |
3729 | */ | |
3730 | static void | |
3731 | bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
3732 | { | |
3733 | struct bfa_fcs_lport_ns_s *ns = ns_cbarg; | |
3734 | struct bfa_fcs_lport_s *port = ns->port; | |
3735 | struct fchs_s fchs; | |
3736 | int len; | |
3737 | struct bfa_fcxp_s *fcxp; | |
3738 | u8 symbl[256]; | |
3739 | u8 *psymbl = &symbl[0]; | |
3740 | ||
3741 | bfa_os_memset(symbl, 0, sizeof(symbl)); | |
3742 | ||
3743 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
3744 | ||
3745 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
3746 | if (!fcxp) { | |
3747 | port->stats.ns_rspnid_alloc_wait++; | |
3748 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, | |
3749 | bfa_fcs_lport_ns_send_rspn_id, ns); | |
3750 | return; | |
3751 | } | |
3752 | ns->fcxp = fcxp; | |
3753 | ||
3754 | /* | |
3755 | * for V-Port, form a Port Symbolic Name | |
3756 | */ | |
3757 | if (port->vport) { | |
3758 | /** | |
3759 | * For Vports, we append the vport's port symbolic name | |
3760 | * to that of the base port. | |
3761 | */ | |
3762 | ||
3763 | strncpy((char *)psymbl, | |
3764 | (char *) & | |
3765 | (bfa_fcs_lport_get_psym_name | |
3766 | (bfa_fcs_get_base_port(port->fcs))), | |
3767 | strlen((char *) & | |
3768 | bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port | |
3769 | (port->fcs)))); | |
3770 | ||
3771 | /* Ensure we have a null terminating string. */ | |
3772 | ((char *)psymbl)[strlen((char *) & | |
3773 | bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port | |
3774 | (port->fcs)))] = 0; | |
3775 | strncat((char *)psymbl, | |
3776 | (char *) &(bfa_fcs_lport_get_psym_name(port)), | |
3777 | strlen((char *) &bfa_fcs_lport_get_psym_name(port))); | |
3778 | } else { | |
3779 | psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port)); | |
3780 | } | |
3781 | ||
3782 | len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
3783 | bfa_fcs_lport_get_fcid(port), 0, psymbl); | |
3784 | ||
3785 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
3786 | FC_CLASS_3, len, &fchs, | |
3787 | bfa_fcs_lport_ns_rspn_id_response, (void *)ns, | |
3788 | FC_MAX_PDUSZ, FC_FCCT_TOV); | |
3789 | ||
3790 | port->stats.ns_rspnid_sent++; | |
3791 | ||
3792 | bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT); | |
3793 | } | |
3794 | ||
3795 | static void | |
3796 | bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
3797 | void *cbarg, bfa_status_t req_status, | |
3798 | u32 rsp_len, u32 resid_len, | |
3799 | struct fchs_s *rsp_fchs) | |
3800 | { | |
3801 | struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg; | |
3802 | struct bfa_fcs_lport_s *port = ns->port; | |
3803 | struct ct_hdr_s *cthdr = NULL; | |
3804 | ||
3805 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
3806 | ||
3807 | /* | |
3808 | * Sanity Checks | |
3809 | */ | |
3810 | if (req_status != BFA_STATUS_OK) { | |
3811 | bfa_trc(port->fcs, req_status); | |
3812 | port->stats.ns_rspnid_rsp_err++; | |
3813 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
3814 | return; | |
3815 | } | |
3816 | ||
3817 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
3818 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
3819 | ||
3820 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
3821 | port->stats.ns_rspnid_accepts++; | |
3822 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); | |
3823 | return; | |
3824 | } | |
3825 | ||
3826 | port->stats.ns_rspnid_rejects++; | |
3827 | bfa_trc(port->fcs, cthdr->reason_code); | |
3828 | bfa_trc(port->fcs, cthdr->exp_code); | |
3829 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
3830 | } | |
3831 | ||
3832 | /** | |
3833 | * Register FC4-Types | |
3834 | */ | |
3835 | static void | |
3836 | bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
3837 | { | |
3838 | struct bfa_fcs_lport_ns_s *ns = ns_cbarg; | |
3839 | struct bfa_fcs_lport_s *port = ns->port; | |
3840 | struct fchs_s fchs; | |
3841 | int len; | |
3842 | struct bfa_fcxp_s *fcxp; | |
3843 | ||
3844 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
3845 | ||
3846 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
3847 | if (!fcxp) { | |
3848 | port->stats.ns_rftid_alloc_wait++; | |
3849 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, | |
3850 | bfa_fcs_lport_ns_send_rft_id, ns); | |
3851 | return; | |
3852 | } | |
3853 | ns->fcxp = fcxp; | |
3854 | ||
3855 | len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
3856 | bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles); | |
3857 | ||
3858 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
3859 | FC_CLASS_3, len, &fchs, | |
3860 | bfa_fcs_lport_ns_rft_id_response, (void *)ns, | |
3861 | FC_MAX_PDUSZ, FC_FCCT_TOV); | |
3862 | ||
3863 | port->stats.ns_rftid_sent++; | |
3864 | bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT); | |
3865 | } | |
3866 | ||
3867 | static void | |
3868 | bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
3869 | void *cbarg, bfa_status_t req_status, | |
3870 | u32 rsp_len, u32 resid_len, | |
3871 | struct fchs_s *rsp_fchs) | |
3872 | { | |
3873 | struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg; | |
3874 | struct bfa_fcs_lport_s *port = ns->port; | |
3875 | struct ct_hdr_s *cthdr = NULL; | |
3876 | ||
3877 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
3878 | ||
3879 | /* | |
3880 | * Sanity Checks | |
3881 | */ | |
3882 | if (req_status != BFA_STATUS_OK) { | |
3883 | bfa_trc(port->fcs, req_status); | |
3884 | port->stats.ns_rftid_rsp_err++; | |
3885 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
3886 | return; | |
3887 | } | |
3888 | ||
3889 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
3890 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
3891 | ||
3892 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
3893 | port->stats.ns_rftid_accepts++; | |
3894 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); | |
3895 | return; | |
3896 | } | |
3897 | ||
3898 | port->stats.ns_rftid_rejects++; | |
3899 | bfa_trc(port->fcs, cthdr->reason_code); | |
3900 | bfa_trc(port->fcs, cthdr->exp_code); | |
3901 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
3902 | } | |
3903 | ||
3904 | /** | |
3905 | * Register FC4-Features : Should be done after RFT_ID | |
3906 | */ | |
3907 | static void | |
3908 | bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
3909 | { | |
3910 | struct bfa_fcs_lport_ns_s *ns = ns_cbarg; | |
3911 | struct bfa_fcs_lport_s *port = ns->port; | |
3912 | struct fchs_s fchs; | |
3913 | int len; | |
3914 | struct bfa_fcxp_s *fcxp; | |
3915 | u8 fc4_ftrs = 0; | |
3916 | ||
3917 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
3918 | ||
3919 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
3920 | if (!fcxp) { | |
3921 | port->stats.ns_rffid_alloc_wait++; | |
3922 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, | |
3923 | bfa_fcs_lport_ns_send_rff_id, ns); | |
3924 | return; | |
3925 | } | |
3926 | ns->fcxp = fcxp; | |
3927 | ||
3928 | if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) | |
3929 | fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR; | |
3930 | ||
3931 | len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
3932 | bfa_fcs_lport_get_fcid(port), 0, | |
3933 | FC_TYPE_FCP, fc4_ftrs); | |
3934 | ||
3935 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
3936 | FC_CLASS_3, len, &fchs, | |
3937 | bfa_fcs_lport_ns_rff_id_response, (void *)ns, | |
3938 | FC_MAX_PDUSZ, FC_FCCT_TOV); | |
3939 | ||
3940 | port->stats.ns_rffid_sent++; | |
3941 | bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT); | |
3942 | } | |
3943 | ||
3944 | static void | |
3945 | bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
3946 | void *cbarg, bfa_status_t req_status, | |
3947 | u32 rsp_len, u32 resid_len, | |
3948 | struct fchs_s *rsp_fchs) | |
3949 | { | |
3950 | struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg; | |
3951 | struct bfa_fcs_lport_s *port = ns->port; | |
3952 | struct ct_hdr_s *cthdr = NULL; | |
3953 | ||
3954 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
3955 | ||
3956 | /* | |
3957 | * Sanity Checks | |
3958 | */ | |
3959 | if (req_status != BFA_STATUS_OK) { | |
3960 | bfa_trc(port->fcs, req_status); | |
3961 | port->stats.ns_rffid_rsp_err++; | |
3962 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
3963 | return; | |
3964 | } | |
3965 | ||
3966 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
3967 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
3968 | ||
3969 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { | |
3970 | port->stats.ns_rffid_accepts++; | |
3971 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); | |
3972 | return; | |
3973 | } | |
3974 | ||
3975 | port->stats.ns_rffid_rejects++; | |
3976 | bfa_trc(port->fcs, cthdr->reason_code); | |
3977 | bfa_trc(port->fcs, cthdr->exp_code); | |
3978 | ||
3979 | if (cthdr->reason_code == CT_RSN_NOT_SUPP) { | |
3980 | /* if this command is not supported, we don't retry */ | |
3981 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); | |
3982 | } else | |
3983 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
3984 | } | |
3985 | /** | |
3986 | * Query Fabric for FC4-Types Devices. | |
3987 | * | |
3988 | * TBD : Need to use a local (FCS private) response buffer, since the response | |
3989 | * can be larger than 2K. | |
3990 | */ | |
3991 | static void | |
3992 | bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
3993 | { | |
3994 | struct bfa_fcs_lport_ns_s *ns = ns_cbarg; | |
3995 | struct bfa_fcs_lport_s *port = ns->port; | |
3996 | struct fchs_s fchs; | |
3997 | int len; | |
3998 | struct bfa_fcxp_s *fcxp; | |
3999 | ||
4000 | bfa_trc(port->fcs, port->pid); | |
4001 | ||
4002 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
4003 | if (!fcxp) { | |
4004 | port->stats.ns_gidft_alloc_wait++; | |
4005 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, | |
4006 | bfa_fcs_lport_ns_send_gid_ft, ns); | |
4007 | return; | |
4008 | } | |
4009 | ns->fcxp = fcxp; | |
4010 | ||
4011 | /* | |
4012 | * This query is only initiated for FCP initiator mode. | |
4013 | */ | |
4014 | len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
4015 | ns->port->pid, FC_TYPE_FCP); | |
4016 | ||
4017 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
4018 | FC_CLASS_3, len, &fchs, | |
4019 | bfa_fcs_lport_ns_gid_ft_response, (void *)ns, | |
4020 | bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV); | |
4021 | ||
4022 | port->stats.ns_gidft_sent++; | |
4023 | ||
4024 | bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT); | |
4025 | } | |
4026 | ||
4027 | static void | |
4028 | bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
4029 | void *cbarg, bfa_status_t req_status, | |
4030 | u32 rsp_len, u32 resid_len, | |
4031 | struct fchs_s *rsp_fchs) | |
4032 | { | |
4033 | struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg; | |
4034 | struct bfa_fcs_lport_s *port = ns->port; | |
4035 | struct ct_hdr_s *cthdr = NULL; | |
4036 | u32 n_pids; | |
4037 | ||
4038 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
4039 | ||
4040 | /* | |
4041 | * Sanity Checks | |
4042 | */ | |
4043 | if (req_status != BFA_STATUS_OK) { | |
4044 | bfa_trc(port->fcs, req_status); | |
4045 | port->stats.ns_gidft_rsp_err++; | |
4046 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
4047 | return; | |
4048 | } | |
4049 | ||
4050 | if (resid_len != 0) { | |
4051 | /* | |
4052 | * TBD : we will need to allocate a larger buffer & retry the | |
4053 | * command | |
4054 | */ | |
4055 | bfa_trc(port->fcs, rsp_len); | |
4056 | bfa_trc(port->fcs, resid_len); | |
4057 | return; | |
4058 | } | |
4059 | ||
4060 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); | |
4061 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); | |
4062 | ||
4063 | switch (cthdr->cmd_rsp_code) { | |
4064 | ||
4065 | case CT_RSP_ACCEPT: | |
4066 | ||
4067 | port->stats.ns_gidft_accepts++; | |
4068 | n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32)); | |
4069 | bfa_trc(port->fcs, n_pids); | |
4070 | bfa_fcs_lport_ns_process_gidft_pids(port, | |
4071 | (u32 *) (cthdr + 1), | |
4072 | n_pids); | |
4073 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); | |
4074 | break; | |
4075 | ||
4076 | case CT_RSP_REJECT: | |
4077 | ||
4078 | /* | |
4079 | * Check the reason code & explanation. | |
4080 | * There may not have been any FC4 devices in the fabric | |
4081 | */ | |
4082 | port->stats.ns_gidft_rejects++; | |
4083 | bfa_trc(port->fcs, cthdr->reason_code); | |
4084 | bfa_trc(port->fcs, cthdr->exp_code); | |
4085 | ||
4086 | if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF) | |
4087 | && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) { | |
4088 | ||
4089 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); | |
4090 | } else { | |
4091 | /* | |
4092 | * for all other errors, retry | |
4093 | */ | |
4094 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
4095 | } | |
4096 | break; | |
4097 | ||
4098 | default: | |
4099 | port->stats.ns_gidft_unknown_rsp++; | |
4100 | bfa_trc(port->fcs, cthdr->cmd_rsp_code); | |
4101 | bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); | |
4102 | } | |
4103 | } | |
4104 | ||
4105 | /** | |
4106 | * This routine will be called by bfa_timer on timer timeouts. | |
4107 | * | |
4108 | * param[in] port - pointer to bfa_fcs_lport_t. | |
4109 | * | |
4110 | * return | |
4111 | * void | |
4112 | * | |
4113 | * Special Considerations: | |
4114 | * | |
4115 | * note | |
4116 | */ | |
4117 | static void | |
4118 | bfa_fcs_lport_ns_timeout(void *arg) | |
4119 | { | |
4120 | struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg; | |
4121 | ||
4122 | ns->port->stats.ns_timeouts++; | |
4123 | bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT); | |
4124 | } | |
4125 | ||
4126 | /* | |
4127 | * Process the PID list in GID_FT response | |
4128 | */ | |
4129 | static void | |
4130 | bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf, | |
4131 | u32 n_pids) | |
4132 | { | |
4133 | struct fcgs_gidft_resp_s *gidft_entry; | |
4134 | struct bfa_fcs_rport_s *rport; | |
4135 | u32 ii; | |
4136 | ||
4137 | for (ii = 0; ii < n_pids; ii++) { | |
4138 | gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii]; | |
4139 | ||
4140 | if (gidft_entry->pid == port->pid) | |
4141 | continue; | |
4142 | ||
4143 | /* | |
4144 | * Check if this rport already exists | |
4145 | */ | |
4146 | rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid); | |
4147 | if (rport == NULL) { | |
4148 | /* | |
4149 | * this is a new device. create rport | |
4150 | */ | |
4151 | rport = bfa_fcs_rport_create(port, gidft_entry->pid); | |
4152 | } else { | |
4153 | /* | |
4154 | * this rport already exists | |
4155 | */ | |
4156 | bfa_fcs_rport_scn(rport); | |
4157 | } | |
4158 | ||
4159 | bfa_trc(port->fcs, gidft_entry->pid); | |
4160 | ||
4161 | /* | |
4162 | * if the last entry bit is set, bail out. | |
4163 | */ | |
4164 | if (gidft_entry->last) | |
4165 | return; | |
4166 | } | |
4167 | } | |
4168 | ||
4169 | /** | |
4170 | * fcs_ns_public FCS nameserver public interfaces | |
4171 | */ | |
4172 | ||
4173 | /* | |
4174 | * Functions called by port/fab. | |
4175 | * These will send relevant Events to the ns state machine. | |
4176 | */ | |
4177 | void | |
4178 | bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port) | |
4179 | { | |
4180 | struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); | |
4181 | ||
4182 | ns->port = port; | |
4183 | bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); | |
4184 | } | |
4185 | ||
4186 | void | |
4187 | bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port) | |
4188 | { | |
4189 | struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); | |
4190 | ||
4191 | ns->port = port; | |
4192 | bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE); | |
4193 | } | |
4194 | ||
4195 | void | |
4196 | bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port) | |
4197 | { | |
4198 | struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); | |
4199 | ||
4200 | ns->port = port; | |
4201 | bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE); | |
4202 | } | |
4203 | ||
4204 | void | |
4205 | bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port) | |
4206 | { | |
4207 | struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); | |
4208 | ||
4209 | bfa_trc(port->fcs, port->pid); | |
4210 | bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY); | |
4211 | } | |
4212 | ||
4213 | void | |
4214 | bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port) | |
4215 | { | |
4216 | ||
4217 | struct bfa_fcs_rport_s *rport; | |
4218 | u8 nwwns; | |
4219 | wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX]; | |
4220 | int ii; | |
4221 | ||
4222 | bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns); | |
4223 | ||
4224 | for (ii = 0 ; ii < nwwns; ++ii) { | |
4225 | rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]); | |
4226 | bfa_assert(rport); | |
4227 | } | |
4228 | } | |
4229 | ||
4230 | /** | |
4231 | * FCS SCN | |
4232 | */ | |
4233 | ||
4234 | #define FC_QOS_RSCN_EVENT 0x0c | |
4235 | #define FC_FABRIC_NAME_RSCN_EVENT 0x0d | |
4236 | ||
4237 | /* | |
4238 | * forward declarations | |
4239 | */ | |
4240 | static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg, | |
4241 | struct bfa_fcxp_s *fcxp_alloced); | |
4242 | static void bfa_fcs_lport_scn_scr_response(void *fcsarg, | |
4243 | struct bfa_fcxp_s *fcxp, | |
4244 | void *cbarg, | |
4245 | bfa_status_t req_status, | |
4246 | u32 rsp_len, | |
4247 | u32 resid_len, | |
4248 | struct fchs_s *rsp_fchs); | |
4249 | static void bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port, | |
4250 | struct fchs_s *rx_fchs); | |
4251 | static void bfa_fcs_lport_scn_timeout(void *arg); | |
4252 | ||
4253 | /** | |
4254 | * fcs_scm_sm FCS SCN state machine | |
4255 | */ | |
4256 | ||
4257 | /** | |
4258 | * VPort SCN State Machine events | |
4259 | */ | |
4260 | enum port_scn_event { | |
4261 | SCNSM_EVENT_PORT_ONLINE = 1, | |
4262 | SCNSM_EVENT_PORT_OFFLINE = 2, | |
4263 | SCNSM_EVENT_RSP_OK = 3, | |
4264 | SCNSM_EVENT_RSP_ERROR = 4, | |
4265 | SCNSM_EVENT_TIMEOUT = 5, | |
4266 | SCNSM_EVENT_SCR_SENT = 6, | |
4267 | }; | |
4268 | ||
4269 | static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn, | |
4270 | enum port_scn_event event); | |
4271 | static void bfa_fcs_lport_scn_sm_sending_scr( | |
4272 | struct bfa_fcs_lport_scn_s *scn, | |
4273 | enum port_scn_event event); | |
4274 | static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn, | |
4275 | enum port_scn_event event); | |
4276 | static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn, | |
4277 | enum port_scn_event event); | |
4278 | static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn, | |
4279 | enum port_scn_event event); | |
4280 | ||
4281 | /** | |
4282 | * Starting state - awaiting link up. | |
4283 | */ | |
4284 | static void | |
4285 | bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn, | |
4286 | enum port_scn_event event) | |
4287 | { | |
4288 | switch (event) { | |
4289 | case SCNSM_EVENT_PORT_ONLINE: | |
4290 | bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr); | |
4291 | bfa_fcs_lport_scn_send_scr(scn, NULL); | |
4292 | break; | |
4293 | ||
4294 | case SCNSM_EVENT_PORT_OFFLINE: | |
4295 | break; | |
4296 | ||
4297 | default: | |
4298 | bfa_sm_fault(scn->port->fcs, event); | |
4299 | } | |
4300 | } | |
4301 | ||
4302 | static void | |
4303 | bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn, | |
4304 | enum port_scn_event event) | |
4305 | { | |
4306 | switch (event) { | |
4307 | case SCNSM_EVENT_SCR_SENT: | |
4308 | bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr); | |
4309 | break; | |
4310 | ||
4311 | case SCNSM_EVENT_PORT_OFFLINE: | |
4312 | bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline); | |
4313 | bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe); | |
4314 | break; | |
4315 | ||
4316 | default: | |
4317 | bfa_sm_fault(scn->port->fcs, event); | |
4318 | } | |
4319 | } | |
4320 | ||
4321 | static void | |
4322 | bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn, | |
4323 | enum port_scn_event event) | |
4324 | { | |
4325 | struct bfa_fcs_lport_s *port = scn->port; | |
4326 | ||
4327 | switch (event) { | |
4328 | case SCNSM_EVENT_RSP_OK: | |
4329 | bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online); | |
4330 | break; | |
4331 | ||
4332 | case SCNSM_EVENT_RSP_ERROR: | |
4333 | bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry); | |
4334 | bfa_timer_start(port->fcs->bfa, &scn->timer, | |
4335 | bfa_fcs_lport_scn_timeout, scn, | |
4336 | BFA_FCS_RETRY_TIMEOUT); | |
4337 | break; | |
4338 | ||
4339 | case SCNSM_EVENT_PORT_OFFLINE: | |
4340 | bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline); | |
4341 | bfa_fcxp_discard(scn->fcxp); | |
4342 | break; | |
4343 | ||
4344 | default: | |
4345 | bfa_sm_fault(port->fcs, event); | |
4346 | } | |
4347 | } | |
4348 | ||
4349 | static void | |
4350 | bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn, | |
4351 | enum port_scn_event event) | |
4352 | { | |
4353 | switch (event) { | |
4354 | case SCNSM_EVENT_TIMEOUT: | |
4355 | bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr); | |
4356 | bfa_fcs_lport_scn_send_scr(scn, NULL); | |
4357 | break; | |
4358 | ||
4359 | case SCNSM_EVENT_PORT_OFFLINE: | |
4360 | bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline); | |
4361 | bfa_timer_stop(&scn->timer); | |
4362 | break; | |
4363 | ||
4364 | default: | |
4365 | bfa_sm_fault(scn->port->fcs, event); | |
4366 | } | |
4367 | } | |
4368 | ||
4369 | static void | |
4370 | bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn, | |
4371 | enum port_scn_event event) | |
4372 | { | |
4373 | switch (event) { | |
4374 | case SCNSM_EVENT_PORT_OFFLINE: | |
4375 | bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline); | |
4376 | break; | |
4377 | ||
4378 | default: | |
4379 | bfa_sm_fault(scn->port->fcs, event); | |
4380 | } | |
4381 | } | |
4382 | ||
4383 | ||
4384 | ||
4385 | /** | |
4386 | * fcs_scn_private FCS SCN private functions | |
4387 | */ | |
4388 | ||
4389 | /** | |
4390 | * This routine will be called to send a SCR command. | |
4391 | */ | |
4392 | static void | |
4393 | bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced) | |
4394 | { | |
4395 | struct bfa_fcs_lport_scn_s *scn = scn_cbarg; | |
4396 | struct bfa_fcs_lport_s *port = scn->port; | |
4397 | struct fchs_s fchs; | |
4398 | int len; | |
4399 | struct bfa_fcxp_s *fcxp; | |
4400 | ||
4401 | bfa_trc(port->fcs, port->pid); | |
4402 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
4403 | ||
4404 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); | |
4405 | if (!fcxp) { | |
4406 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe, | |
4407 | bfa_fcs_lport_scn_send_scr, scn); | |
4408 | return; | |
4409 | } | |
4410 | scn->fcxp = fcxp; | |
4411 | ||
4412 | /* Handle VU registrations for Base port only */ | |
4413 | if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) { | |
4414 | len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
4415 | bfa_lps_is_brcd_fabric(port->fabric->lps), | |
4416 | port->pid, 0); | |
4417 | } else { | |
4418 | len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
4419 | BFA_FALSE, | |
4420 | port->pid, 0); | |
4421 | } | |
4422 | ||
4423 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, | |
4424 | FC_CLASS_3, len, &fchs, | |
4425 | bfa_fcs_lport_scn_scr_response, | |
4426 | (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV); | |
4427 | ||
4428 | bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT); | |
4429 | } | |
4430 | ||
4431 | static void | |
4432 | bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp, | |
4433 | void *cbarg, bfa_status_t req_status, u32 rsp_len, | |
4434 | u32 resid_len, struct fchs_s *rsp_fchs) | |
4435 | { | |
4436 | struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg; | |
4437 | struct bfa_fcs_lport_s *port = scn->port; | |
4438 | struct fc_els_cmd_s *els_cmd; | |
4439 | struct fc_ls_rjt_s *ls_rjt; | |
4440 | ||
4441 | bfa_trc(port->fcs, port->port_cfg.pwwn); | |
4442 | ||
4443 | /* | |
4444 | * Sanity Checks | |
4445 | */ | |
4446 | if (req_status != BFA_STATUS_OK) { | |
4447 | bfa_trc(port->fcs, req_status); | |
4448 | bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR); | |
4449 | return; | |
4450 | } | |
4451 | ||
4452 | els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); | |
4453 | ||
4454 | switch (els_cmd->els_code) { | |
4455 | ||
4456 | case FC_ELS_ACC: | |
4457 | bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK); | |
4458 | break; | |
4459 | ||
4460 | case FC_ELS_LS_RJT: | |
4461 | ||
4462 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); | |
4463 | ||
4464 | bfa_trc(port->fcs, ls_rjt->reason_code); | |
4465 | bfa_trc(port->fcs, ls_rjt->reason_code_expl); | |
4466 | ||
4467 | bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR); | |
4468 | break; | |
4469 | ||
4470 | default: | |
4471 | bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR); | |
4472 | } | |
4473 | } | |
4474 | ||
4475 | /* | |
4476 | * Send a LS Accept | |
4477 | */ | |
4478 | static void | |
4479 | bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port, | |
4480 | struct fchs_s *rx_fchs) | |
4481 | { | |
4482 | struct fchs_s fchs; | |
4483 | struct bfa_fcxp_s *fcxp; | |
4484 | struct bfa_rport_s *bfa_rport = NULL; | |
4485 | int len; | |
4486 | ||
4487 | bfa_trc(port->fcs, rx_fchs->s_id); | |
4488 | ||
4489 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); | |
4490 | if (!fcxp) | |
4491 | return; | |
4492 | ||
4493 | len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), | |
4494 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), | |
4495 | rx_fchs->ox_id); | |
4496 | ||
4497 | bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, | |
4498 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, | |
4499 | FC_MAX_PDUSZ, 0); | |
4500 | } | |
4501 | ||
4502 | /** | |
4503 | * This routine will be called by bfa_timer on timer timeouts. | |
4504 | * | |
4505 | * param[in] vport - pointer to bfa_fcs_lport_t. | |
4506 | * param[out] vport_status - pointer to return vport status in | |
4507 | * | |
4508 | * return | |
4509 | * void | |
4510 | * | |
4511 | * Special Considerations: | |
4512 | * | |
4513 | * note | |
4514 | */ | |
4515 | static void | |
4516 | bfa_fcs_lport_scn_timeout(void *arg) | |
4517 | { | |
4518 | struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg; | |
4519 | ||
4520 | bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT); | |
4521 | } | |
4522 | ||
4523 | ||
4524 | ||
4525 | /** | |
4526 | * fcs_scn_public FCS state change notification public interfaces | |
4527 | */ | |
4528 | ||
4529 | /* | |
4530 | * Functions called by port/fab | |
4531 | */ | |
4532 | void | |
4533 | bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port) | |
4534 | { | |
4535 | struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port); | |
4536 | ||
4537 | scn->port = port; | |
4538 | bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline); | |
4539 | } | |
4540 | ||
4541 | void | |
4542 | bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port) | |
4543 | { | |
4544 | struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port); | |
4545 | ||
4546 | scn->port = port; | |
4547 | bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE); | |
4548 | } | |
4549 | ||
4550 | void | |
4551 | bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *port) | |
4552 | { | |
4553 | struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port); | |
4554 | ||
4555 | scn->port = port; | |
4556 | bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE); | |
4557 | } | |
4558 | ||
4559 | static void | |
4560 | bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid) | |
4561 | { | |
4562 | struct bfa_fcs_rport_s *rport; | |
4563 | ||
4564 | bfa_trc(port->fcs, rpid); | |
4565 | ||
4566 | /** | |
4567 | * If this is an unknown device, then it just came online. | |
4568 | * Otherwise let rport handle the RSCN event. | |
4569 | */ | |
4570 | rport = bfa_fcs_lport_get_rport_by_pid(port, rpid); | |
4571 | if (rport == NULL) { | |
4572 | /* | |
4573 | * If min cfg mode is enabled, we donot need to | |
4574 | * discover any new rports. | |
4575 | */ | |
4576 | if (!__fcs_min_cfg(port->fcs)) | |
4577 | rport = bfa_fcs_rport_create(port, rpid); | |
4578 | } else | |
4579 | bfa_fcs_rport_scn(rport); | |
4580 | } | |
4581 | ||
4582 | /** | |
4583 | * rscn format based PID comparison | |
4584 | */ | |
4585 | #define __fc_pid_match(__c0, __c1, __fmt) \ | |
4586 | (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \ | |
4587 | (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \ | |
4588 | ((__c0)[0] == (__c1)[0])) || \ | |
4589 | (((__fmt) == FC_RSCN_FORMAT_AREA) && \ | |
4590 | ((__c0)[0] == (__c1)[0]) && \ | |
4591 | ((__c0)[1] == (__c1)[1]))) | |
4592 | ||
4593 | static void | |
4594 | bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port, | |
4595 | enum fc_rscn_format format, | |
4596 | u32 rscn_pid) | |
4597 | { | |
4598 | struct bfa_fcs_rport_s *rport; | |
4599 | struct list_head *qe, *qe_next; | |
4600 | u8 *c0, *c1; | |
4601 | ||
4602 | bfa_trc(port->fcs, format); | |
4603 | bfa_trc(port->fcs, rscn_pid); | |
4604 | ||
4605 | c0 = (u8 *) &rscn_pid; | |
4606 | ||
4607 | list_for_each_safe(qe, qe_next, &port->rport_q) { | |
4608 | rport = (struct bfa_fcs_rport_s *) qe; | |
4609 | c1 = (u8 *) &rport->pid; | |
4610 | if (__fc_pid_match(c0, c1, format)) | |
4611 | bfa_fcs_rport_scn(rport); | |
4612 | } | |
4613 | } | |
4614 | ||
4615 | ||
4616 | void | |
4617 | bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port, | |
4618 | struct fchs_s *fchs, u32 len) | |
4619 | { | |
4620 | struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1); | |
4621 | int num_entries; | |
4622 | u32 rscn_pid; | |
4623 | bfa_boolean_t nsquery = BFA_FALSE, found; | |
4624 | int i = 0, j; | |
4625 | ||
4626 | num_entries = | |
4627 | (bfa_os_ntohs(rscn->payldlen) - | |
4628 | sizeof(u32)) / sizeof(rscn->event[0]); | |
4629 | ||
4630 | bfa_trc(port->fcs, num_entries); | |
4631 | ||
4632 | port->stats.num_rscn++; | |
4633 | ||
4634 | bfa_fcs_lport_scn_send_ls_acc(port, fchs); | |
4635 | ||
4636 | for (i = 0; i < num_entries; i++) { | |
4637 | rscn_pid = rscn->event[i].portid; | |
4638 | ||
4639 | bfa_trc(port->fcs, rscn->event[i].format); | |
4640 | bfa_trc(port->fcs, rscn_pid); | |
4641 | ||
4642 | /* check for duplicate entries in the list */ | |
4643 | found = BFA_FALSE; | |
4644 | for (j = 0; j < i; j++) { | |
4645 | if (rscn->event[j].portid == rscn_pid) { | |
4646 | found = BFA_TRUE; | |
4647 | break; | |
4648 | } | |
4649 | } | |
4650 | ||
4651 | /* if found in down the list, pid has been already processed */ | |
4652 | if (found) { | |
4653 | bfa_trc(port->fcs, rscn_pid); | |
4654 | continue; | |
4655 | } | |
4656 | ||
4657 | switch (rscn->event[i].format) { | |
4658 | case FC_RSCN_FORMAT_PORTID: | |
4659 | if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) { | |
4660 | /* | |
4661 | * Ignore this event. | |
4662 | * f/w would have processed it | |
4663 | */ | |
4664 | bfa_trc(port->fcs, rscn_pid); | |
4665 | } else { | |
4666 | port->stats.num_portid_rscn++; | |
4667 | bfa_fcs_lport_scn_portid_rscn(port, rscn_pid); | |
4668 | } | |
4669 | break; | |
4670 | ||
4671 | case FC_RSCN_FORMAT_FABRIC: | |
4672 | if (rscn->event[i].qualifier == | |
4673 | FC_FABRIC_NAME_RSCN_EVENT) { | |
4674 | bfa_fcs_lport_ms_fabric_rscn(port); | |
4675 | break; | |
4676 | } | |
4677 | /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */ | |
4678 | ||
4679 | case FC_RSCN_FORMAT_AREA: | |
4680 | case FC_RSCN_FORMAT_DOMAIN: | |
4681 | nsquery = BFA_TRUE; | |
4682 | bfa_fcs_lport_scn_multiport_rscn(port, | |
4683 | rscn->event[i].format, | |
4684 | rscn_pid); | |
4685 | break; | |
4686 | ||
4687 | ||
4688 | default: | |
4689 | bfa_assert(0); | |
4690 | nsquery = BFA_TRUE; | |
4691 | } | |
4692 | } | |
4693 | ||
4694 | /** | |
4695 | * If any of area, domain or fabric RSCN is received, do a fresh discovery | |
4696 | * to find new devices. | |
4697 | */ | |
4698 | if (nsquery) | |
4699 | bfa_fcs_lport_ns_query(port); | |
4700 | } | |
4701 | ||
4702 | /** | |
4703 | * BFA FCS port | |
4704 | */ | |
4705 | /** | |
4706 | * fcs_port_api BFA FCS port API | |
4707 | */ | |
4708 | struct bfa_fcs_lport_s * | |
4709 | bfa_fcs_get_base_port(struct bfa_fcs_s *fcs) | |
4710 | { | |
4711 | return &fcs->fabric.bport; | |
4712 | } | |
4713 | ||
4714 | wwn_t | |
4715 | bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index, | |
4716 | int nrports, bfa_boolean_t bwwn) | |
4717 | { | |
4718 | struct list_head *qh, *qe; | |
4719 | struct bfa_fcs_rport_s *rport = NULL; | |
4720 | int i; | |
4721 | struct bfa_fcs_s *fcs; | |
4722 | ||
4723 | if (port == NULL || nrports == 0) | |
4724 | return (wwn_t) 0; | |
4725 | ||
4726 | fcs = port->fcs; | |
4727 | bfa_trc(fcs, (u32) nrports); | |
4728 | ||
4729 | i = 0; | |
4730 | qh = &port->rport_q; | |
4731 | qe = bfa_q_first(qh); | |
4732 | ||
4733 | while ((qe != qh) && (i < nrports)) { | |
4734 | rport = (struct bfa_fcs_rport_s *) qe; | |
4735 | if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) { | |
4736 | qe = bfa_q_next(qe); | |
4737 | bfa_trc(fcs, (u32) rport->pwwn); | |
4738 | bfa_trc(fcs, rport->pid); | |
4739 | bfa_trc(fcs, i); | |
4740 | continue; | |
4741 | } | |
4742 | ||
4743 | if (bwwn) { | |
4744 | if (!memcmp(&wwn, &rport->pwwn, 8)) | |
4745 | break; | |
4746 | } else { | |
4747 | if (i == index) | |
4748 | break; | |
4749 | } | |
4750 | ||
4751 | i++; | |
4752 | qe = bfa_q_next(qe); | |
4753 | } | |
4754 | ||
4755 | bfa_trc(fcs, i); | |
4756 | if (rport) | |
4757 | return rport->pwwn; | |
4758 | else | |
4759 | return (wwn_t) 0; | |
4760 | } | |
4761 | ||
4762 | void | |
4763 | bfa_fcs_lport_get_rports(struct bfa_fcs_lport_s *port, | |
4764 | wwn_t rport_wwns[], int *nrports) | |
4765 | { | |
4766 | struct list_head *qh, *qe; | |
4767 | struct bfa_fcs_rport_s *rport = NULL; | |
4768 | int i; | |
4769 | struct bfa_fcs_s *fcs; | |
4770 | ||
4771 | if (port == NULL || rport_wwns == NULL || *nrports == 0) | |
4772 | return; | |
4773 | ||
4774 | fcs = port->fcs; | |
4775 | bfa_trc(fcs, (u32) *nrports); | |
4776 | ||
4777 | i = 0; | |
4778 | qh = &port->rport_q; | |
4779 | qe = bfa_q_first(qh); | |
4780 | ||
4781 | while ((qe != qh) && (i < *nrports)) { | |
4782 | rport = (struct bfa_fcs_rport_s *) qe; | |
4783 | if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) { | |
4784 | qe = bfa_q_next(qe); | |
4785 | bfa_trc(fcs, (u32) rport->pwwn); | |
4786 | bfa_trc(fcs, rport->pid); | |
4787 | bfa_trc(fcs, i); | |
4788 | continue; | |
4789 | } | |
4790 | ||
4791 | rport_wwns[i] = rport->pwwn; | |
4792 | ||
4793 | i++; | |
4794 | qe = bfa_q_next(qe); | |
4795 | } | |
4796 | ||
4797 | bfa_trc(fcs, i); | |
4798 | *nrports = i; | |
4799 | } | |
4800 | ||
4801 | /* | |
4802 | * Iterate's through all the rport's in the given port to | |
4803 | * determine the maximum operating speed. | |
4804 | * | |
4805 | * !!!! To be used in TRL Functionality only !!!! | |
4806 | */ | |
4807 | bfa_port_speed_t | |
4808 | bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port) | |
4809 | { | |
4810 | struct list_head *qh, *qe; | |
4811 | struct bfa_fcs_rport_s *rport = NULL; | |
4812 | struct bfa_fcs_s *fcs; | |
4813 | bfa_port_speed_t max_speed = 0; | |
4814 | struct bfa_port_attr_s port_attr; | |
4815 | bfa_port_speed_t port_speed, rport_speed; | |
4816 | bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa); | |
4817 | ||
4818 | ||
4819 | if (port == NULL) | |
4820 | return 0; | |
4821 | ||
4822 | fcs = port->fcs; | |
4823 | ||
4824 | /* Get Physical port's current speed */ | |
4825 | bfa_fcport_get_attr(port->fcs->bfa, &port_attr); | |
4826 | port_speed = port_attr.speed; | |
4827 | bfa_trc(fcs, port_speed); | |
4828 | ||
4829 | qh = &port->rport_q; | |
4830 | qe = bfa_q_first(qh); | |
4831 | ||
4832 | while (qe != qh) { | |
4833 | rport = (struct bfa_fcs_rport_s *) qe; | |
4834 | if ((bfa_os_ntoh3b(rport->pid) > 0xFFF000) || | |
4835 | (bfa_fcs_rport_get_state(rport) == | |
4836 | BFA_RPORT_OFFLINE)) { | |
4837 | qe = bfa_q_next(qe); | |
4838 | continue; | |
4839 | } | |
4840 | ||
4841 | rport_speed = rport->rpf.rpsc_speed; | |
4842 | if ((trl_enabled) && (rport_speed == | |
4843 | BFA_PORT_SPEED_UNKNOWN)) { | |
4844 | /* Use default ratelim speed setting */ | |
4845 | rport_speed = | |
4846 | bfa_fcport_get_ratelim_speed(port->fcs->bfa); | |
4847 | } | |
4848 | ||
4849 | if ((rport_speed == BFA_PORT_SPEED_8GBPS) || | |
4850 | (rport_speed > port_speed)) { | |
4851 | max_speed = rport_speed; | |
4852 | break; | |
4853 | } else if (rport_speed > max_speed) { | |
4854 | max_speed = rport_speed; | |
4855 | } | |
4856 | ||
4857 | qe = bfa_q_next(qe); | |
4858 | } | |
4859 | ||
4860 | bfa_trc(fcs, max_speed); | |
4861 | return max_speed; | |
4862 | } | |
4863 | ||
4864 | struct bfa_fcs_lport_s * | |
4865 | bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn) | |
4866 | { | |
4867 | struct bfa_fcs_vport_s *vport; | |
4868 | bfa_fcs_vf_t *vf; | |
4869 | ||
4870 | bfa_assert(fcs != NULL); | |
4871 | ||
4872 | vf = bfa_fcs_vf_lookup(fcs, vf_id); | |
4873 | if (vf == NULL) { | |
4874 | bfa_trc(fcs, vf_id); | |
4875 | return NULL; | |
4876 | } | |
4877 | ||
4878 | if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn)) | |
4879 | return &vf->bport; | |
4880 | ||
4881 | vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn); | |
4882 | if (vport) | |
4883 | return &vport->lport; | |
4884 | ||
4885 | return NULL; | |
4886 | } | |
4887 | ||
4888 | /* | |
4889 | * API corresponding to NPIV_VPORT_GETINFO. | |
4890 | */ | |
4891 | void | |
4892 | bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port, | |
4893 | struct bfa_lport_info_s *port_info) | |
4894 | { | |
4895 | ||
4896 | bfa_trc(port->fcs, port->fabric->fabric_name); | |
4897 | ||
4898 | if (port->vport == NULL) { | |
4899 | /* | |
4900 | * This is a Physical port | |
4901 | */ | |
4902 | port_info->port_type = BFA_LPORT_TYPE_PHYSICAL; | |
4903 | ||
4904 | /* | |
4905 | * @todo : need to fix the state & reason | |
4906 | */ | |
4907 | port_info->port_state = 0; | |
4908 | port_info->offline_reason = 0; | |
4909 | ||
4910 | port_info->port_wwn = bfa_fcs_lport_get_pwwn(port); | |
4911 | port_info->node_wwn = bfa_fcs_lport_get_nwwn(port); | |
4912 | ||
4913 | port_info->max_vports_supp = | |
4914 | bfa_lps_get_max_vport(port->fcs->bfa); | |
4915 | port_info->num_vports_inuse = | |
4916 | bfa_fcs_fabric_vport_count(port->fabric); | |
4917 | port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP; | |
4918 | port_info->num_rports_inuse = port->num_rports; | |
4919 | } else { | |
4920 | /* | |
4921 | * This is a virtual port | |
4922 | */ | |
4923 | port_info->port_type = BFA_LPORT_TYPE_VIRTUAL; | |
4924 | ||
4925 | /* | |
4926 | * @todo : need to fix the state & reason | |
4927 | */ | |
4928 | port_info->port_state = 0; | |
4929 | port_info->offline_reason = 0; | |
4930 | ||
4931 | port_info->port_wwn = bfa_fcs_lport_get_pwwn(port); | |
4932 | port_info->node_wwn = bfa_fcs_lport_get_nwwn(port); | |
4933 | } | |
4934 | } | |
4935 | ||
4936 | void | |
4937 | bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port, | |
4938 | struct bfa_lport_stats_s *port_stats) | |
4939 | { | |
4940 | *port_stats = fcs_port->stats; | |
4941 | } | |
4942 | ||
4943 | void | |
4944 | bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port) | |
4945 | { | |
4946 | bfa_os_memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s)); | |
4947 | } | |
4948 | ||
4949 | /** | |
4950 | * FCS virtual port state machine | |
4951 | */ | |
4952 | ||
4953 | #define __vport_fcs(__vp) ((__vp)->lport.fcs) | |
4954 | #define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn) | |
4955 | #define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn) | |
4956 | #define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa) | |
4957 | #define __vport_fcid(__vp) ((__vp)->lport.pid) | |
4958 | #define __vport_fabric(__vp) ((__vp)->lport.fabric) | |
4959 | #define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id) | |
4960 | ||
4961 | #define BFA_FCS_VPORT_MAX_RETRIES 5 | |
4962 | /* | |
4963 | * Forward declarations | |
4964 | */ | |
4965 | static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport); | |
4966 | static void bfa_fcs_vport_timeout(void *vport_arg); | |
4967 | static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport); | |
4968 | static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport); | |
4969 | ||
4970 | /** | |
4971 | * fcs_vport_sm FCS virtual port state machine | |
4972 | */ | |
4973 | ||
4974 | /** | |
4975 | * VPort State Machine events | |
4976 | */ | |
4977 | enum bfa_fcs_vport_event { | |
4978 | BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */ | |
4979 | BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */ | |
4980 | BFA_FCS_VPORT_SM_START = 3, /* vport start request */ | |
4981 | BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */ | |
4982 | BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */ | |
4983 | BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */ | |
4984 | BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */ | |
4985 | BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */ | |
4986 | BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */ | |
4987 | BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */ | |
4988 | BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */ | |
4989 | BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/ | |
4990 | BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */ | |
4991 | }; | |
4992 | ||
4993 | static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport, | |
4994 | enum bfa_fcs_vport_event event); | |
4995 | static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport, | |
4996 | enum bfa_fcs_vport_event event); | |
4997 | static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport, | |
4998 | enum bfa_fcs_vport_event event); | |
4999 | static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport, | |
5000 | enum bfa_fcs_vport_event event); | |
5001 | static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport, | |
5002 | enum bfa_fcs_vport_event event); | |
5003 | static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport, | |
5004 | enum bfa_fcs_vport_event event); | |
5005 | static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport, | |
5006 | enum bfa_fcs_vport_event event); | |
5007 | static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport, | |
5008 | enum bfa_fcs_vport_event event); | |
5009 | static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport, | |
5010 | enum bfa_fcs_vport_event event); | |
5011 | static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport, | |
5012 | enum bfa_fcs_vport_event event); | |
5013 | ||
5014 | static struct bfa_sm_table_s vport_sm_table[] = { | |
5015 | {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT}, | |
5016 | {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED}, | |
5017 | {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE}, | |
5018 | {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC}, | |
5019 | {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY}, | |
5020 | {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE}, | |
5021 | {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING}, | |
5022 | {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP}, | |
5023 | {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO}, | |
5024 | {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR} | |
5025 | }; | |
5026 | ||
5027 | /** | |
5028 | * Beginning state. | |
5029 | */ | |
5030 | static void | |
5031 | bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport, | |
5032 | enum bfa_fcs_vport_event event) | |
5033 | { | |
5034 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5035 | bfa_trc(__vport_fcs(vport), event); | |
5036 | ||
5037 | switch (event) { | |
5038 | case BFA_FCS_VPORT_SM_CREATE: | |
5039 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_created); | |
5040 | bfa_fcs_fabric_addvport(__vport_fabric(vport), vport); | |
5041 | break; | |
5042 | ||
5043 | default: | |
5044 | bfa_sm_fault(__vport_fcs(vport), event); | |
5045 | } | |
5046 | } | |
5047 | ||
5048 | /** | |
5049 | * Created state - a start event is required to start up the state machine. | |
5050 | */ | |
5051 | static void | |
5052 | bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport, | |
5053 | enum bfa_fcs_vport_event event) | |
5054 | { | |
5055 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5056 | bfa_trc(__vport_fcs(vport), event); | |
5057 | ||
5058 | switch (event) { | |
5059 | case BFA_FCS_VPORT_SM_START: | |
5060 | if (bfa_fcs_fabric_is_online(__vport_fabric(vport)) | |
5061 | && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) { | |
5062 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); | |
5063 | bfa_fcs_vport_do_fdisc(vport); | |
5064 | } else { | |
5065 | /** | |
5066 | * Fabric is offline or not NPIV capable, stay in | |
5067 | * offline state. | |
5068 | */ | |
5069 | vport->vport_stats.fab_no_npiv++; | |
5070 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); | |
5071 | } | |
5072 | break; | |
5073 | ||
5074 | case BFA_FCS_VPORT_SM_DELETE: | |
5075 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | |
5076 | bfa_fcs_lport_delete(&vport->lport); | |
5077 | break; | |
5078 | ||
5079 | case BFA_FCS_VPORT_SM_ONLINE: | |
5080 | case BFA_FCS_VPORT_SM_OFFLINE: | |
5081 | /** | |
5082 | * Ignore ONLINE/OFFLINE events from fabric | |
5083 | * till vport is started. | |
5084 | */ | |
5085 | break; | |
5086 | ||
5087 | default: | |
5088 | bfa_sm_fault(__vport_fcs(vport), event); | |
5089 | } | |
5090 | } | |
5091 | ||
5092 | /** | |
5093 | * Offline state - awaiting ONLINE event from fabric SM. | |
5094 | */ | |
5095 | static void | |
5096 | bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport, | |
5097 | enum bfa_fcs_vport_event event) | |
5098 | { | |
5099 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5100 | bfa_trc(__vport_fcs(vport), event); | |
5101 | ||
5102 | switch (event) { | |
5103 | case BFA_FCS_VPORT_SM_DELETE: | |
5104 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | |
5105 | bfa_fcs_lport_delete(&vport->lport); | |
5106 | break; | |
5107 | ||
5108 | case BFA_FCS_VPORT_SM_ONLINE: | |
5109 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); | |
5110 | vport->fdisc_retries = 0; | |
5111 | bfa_fcs_vport_do_fdisc(vport); | |
5112 | break; | |
5113 | ||
5114 | case BFA_FCS_VPORT_SM_OFFLINE: | |
5115 | /* | |
5116 | * This can happen if the vport couldn't be initialzied | |
5117 | * due the fact that the npiv was not enabled on the switch. | |
5118 | * In that case we will put the vport in offline state. | |
5119 | * However, the link can go down and cause the this event to | |
5120 | * be sent when we are already offline. Ignore it. | |
5121 | */ | |
5122 | break; | |
5123 | ||
5124 | default: | |
5125 | bfa_sm_fault(__vport_fcs(vport), event); | |
5126 | } | |
5127 | } | |
5128 | ||
5129 | ||
5130 | /** | |
5131 | * FDISC is sent and awaiting reply from fabric. | |
5132 | */ | |
5133 | static void | |
5134 | bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport, | |
5135 | enum bfa_fcs_vport_event event) | |
5136 | { | |
5137 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5138 | bfa_trc(__vport_fcs(vport), event); | |
5139 | ||
5140 | switch (event) { | |
5141 | case BFA_FCS_VPORT_SM_DELETE: | |
5142 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | |
5143 | bfa_lps_discard(vport->lps); | |
5144 | bfa_fcs_lport_delete(&vport->lport); | |
5145 | break; | |
5146 | ||
5147 | case BFA_FCS_VPORT_SM_OFFLINE: | |
5148 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); | |
5149 | bfa_lps_discard(vport->lps); | |
5150 | break; | |
5151 | ||
5152 | case BFA_FCS_VPORT_SM_RSP_OK: | |
5153 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_online); | |
5154 | bfa_fcs_lport_online(&vport->lport); | |
5155 | break; | |
5156 | ||
5157 | case BFA_FCS_VPORT_SM_RSP_ERROR: | |
5158 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry); | |
5159 | bfa_timer_start(__vport_bfa(vport), &vport->timer, | |
5160 | bfa_fcs_vport_timeout, vport, | |
5161 | BFA_FCS_RETRY_TIMEOUT); | |
5162 | break; | |
5163 | ||
5164 | case BFA_FCS_VPORT_SM_RSP_FAILED: | |
5165 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); | |
5166 | break; | |
5167 | ||
5168 | case BFA_FCS_VPORT_SM_RSP_DUP_WWN: | |
5169 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_error); | |
5170 | break; | |
5171 | ||
5172 | default: | |
5173 | bfa_sm_fault(__vport_fcs(vport), event); | |
5174 | } | |
5175 | } | |
5176 | ||
5177 | /** | |
5178 | * FDISC attempt failed - a timer is active to retry FDISC. | |
5179 | */ | |
5180 | static void | |
5181 | bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport, | |
5182 | enum bfa_fcs_vport_event event) | |
5183 | { | |
5184 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5185 | bfa_trc(__vport_fcs(vport), event); | |
5186 | ||
5187 | switch (event) { | |
5188 | case BFA_FCS_VPORT_SM_DELETE: | |
5189 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | |
5190 | bfa_timer_stop(&vport->timer); | |
5191 | bfa_fcs_lport_delete(&vport->lport); | |
5192 | break; | |
5193 | ||
5194 | case BFA_FCS_VPORT_SM_OFFLINE: | |
5195 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); | |
5196 | bfa_timer_stop(&vport->timer); | |
5197 | break; | |
5198 | ||
5199 | case BFA_FCS_VPORT_SM_TIMEOUT: | |
5200 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); | |
5201 | vport->vport_stats.fdisc_retries++; | |
5202 | vport->fdisc_retries++; | |
5203 | bfa_fcs_vport_do_fdisc(vport); | |
5204 | break; | |
5205 | ||
5206 | default: | |
5207 | bfa_sm_fault(__vport_fcs(vport), event); | |
5208 | } | |
5209 | } | |
5210 | ||
5211 | /** | |
5212 | * Vport is online (FDISC is complete). | |
5213 | */ | |
5214 | static void | |
5215 | bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport, | |
5216 | enum bfa_fcs_vport_event event) | |
5217 | { | |
5218 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5219 | bfa_trc(__vport_fcs(vport), event); | |
5220 | ||
5221 | switch (event) { | |
5222 | case BFA_FCS_VPORT_SM_DELETE: | |
5223 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting); | |
5224 | bfa_fcs_lport_delete(&vport->lport); | |
5225 | break; | |
5226 | ||
5227 | case BFA_FCS_VPORT_SM_OFFLINE: | |
5228 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); | |
5229 | bfa_lps_discard(vport->lps); | |
5230 | bfa_fcs_lport_offline(&vport->lport); | |
5231 | break; | |
5232 | ||
5233 | default: | |
5234 | bfa_sm_fault(__vport_fcs(vport), event); | |
5235 | } | |
5236 | } | |
5237 | ||
5238 | /** | |
5239 | * Vport is being deleted - awaiting lport delete completion to send | |
5240 | * LOGO to fabric. | |
5241 | */ | |
5242 | static void | |
5243 | bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport, | |
5244 | enum bfa_fcs_vport_event event) | |
5245 | { | |
5246 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5247 | bfa_trc(__vport_fcs(vport), event); | |
5248 | ||
5249 | switch (event) { | |
5250 | case BFA_FCS_VPORT_SM_DELETE: | |
5251 | break; | |
5252 | ||
5253 | case BFA_FCS_VPORT_SM_DELCOMP: | |
5254 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo); | |
5255 | bfa_fcs_vport_do_logo(vport); | |
5256 | break; | |
5257 | ||
5258 | case BFA_FCS_VPORT_SM_OFFLINE: | |
5259 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | |
5260 | break; | |
5261 | ||
5262 | default: | |
5263 | bfa_sm_fault(__vport_fcs(vport), event); | |
5264 | } | |
5265 | } | |
5266 | ||
5267 | /** | |
5268 | * Error State. | |
5269 | * This state will be set when the Vport Creation fails due | |
5270 | * to errors like Dup WWN. In this state only operation allowed | |
5271 | * is a Vport Delete. | |
5272 | */ | |
5273 | static void | |
5274 | bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport, | |
5275 | enum bfa_fcs_vport_event event) | |
5276 | { | |
5277 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5278 | bfa_trc(__vport_fcs(vport), event); | |
5279 | ||
5280 | switch (event) { | |
5281 | case BFA_FCS_VPORT_SM_DELETE: | |
5282 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | |
5283 | bfa_fcs_lport_delete(&vport->lport); | |
5284 | break; | |
5285 | ||
5286 | default: | |
5287 | bfa_trc(__vport_fcs(vport), event); | |
5288 | } | |
5289 | } | |
5290 | ||
5291 | /** | |
5292 | * Lport cleanup is in progress since vport is being deleted. Fabric is | |
5293 | * offline, so no LOGO is needed to complete vport deletion. | |
5294 | */ | |
5295 | static void | |
5296 | bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport, | |
5297 | enum bfa_fcs_vport_event event) | |
5298 | { | |
5299 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5300 | bfa_trc(__vport_fcs(vport), event); | |
5301 | ||
5302 | switch (event) { | |
5303 | case BFA_FCS_VPORT_SM_DELCOMP: | |
5304 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); | |
5305 | bfa_fcs_vport_free(vport); | |
5306 | break; | |
5307 | ||
5308 | case BFA_FCS_VPORT_SM_DELETE: | |
5309 | break; | |
5310 | ||
5311 | default: | |
5312 | bfa_sm_fault(__vport_fcs(vport), event); | |
5313 | } | |
5314 | } | |
5315 | ||
5316 | /** | |
5317 | * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup | |
5318 | * is done. | |
5319 | */ | |
5320 | static void | |
5321 | bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport, | |
5322 | enum bfa_fcs_vport_event event) | |
5323 | { | |
5324 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5325 | bfa_trc(__vport_fcs(vport), event); | |
5326 | ||
5327 | switch (event) { | |
5328 | case BFA_FCS_VPORT_SM_OFFLINE: | |
5329 | bfa_lps_discard(vport->lps); | |
5330 | /* | |
5331 | * !!! fall through !!! | |
5332 | */ | |
5333 | ||
5334 | case BFA_FCS_VPORT_SM_RSP_OK: | |
5335 | case BFA_FCS_VPORT_SM_RSP_ERROR: | |
5336 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); | |
5337 | bfa_fcs_vport_free(vport); | |
5338 | break; | |
5339 | ||
5340 | case BFA_FCS_VPORT_SM_DELETE: | |
5341 | break; | |
5342 | ||
5343 | default: | |
5344 | bfa_sm_fault(__vport_fcs(vport), event); | |
5345 | } | |
5346 | } | |
5347 | ||
5348 | ||
5349 | ||
5350 | /** | |
5351 | * fcs_vport_private FCS virtual port private functions | |
5352 | */ | |
5353 | /** | |
5354 | * This routine will be called to send a FDISC command. | |
5355 | */ | |
5356 | static void | |
5357 | bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport) | |
5358 | { | |
5359 | bfa_lps_fdisc(vport->lps, vport, | |
5360 | bfa_fcport_get_maxfrsize(__vport_bfa(vport)), | |
5361 | __vport_pwwn(vport), __vport_nwwn(vport)); | |
5362 | vport->vport_stats.fdisc_sent++; | |
5363 | } | |
5364 | ||
5365 | static void | |
5366 | bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport) | |
5367 | { | |
5368 | u8 lsrjt_rsn = bfa_lps_get_lsrjt_rsn(vport->lps); | |
5369 | u8 lsrjt_expl = bfa_lps_get_lsrjt_expl(vport->lps); | |
5370 | ||
5371 | bfa_trc(__vport_fcs(vport), lsrjt_rsn); | |
5372 | bfa_trc(__vport_fcs(vport), lsrjt_expl); | |
5373 | ||
5374 | /* For certain reason codes, we don't want to retry. */ | |
5375 | switch (bfa_lps_get_lsrjt_expl(vport->lps)) { | |
5376 | case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */ | |
5377 | case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */ | |
5378 | if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES) | |
5379 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | |
5380 | else | |
5381 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN); | |
5382 | break; | |
5383 | ||
5384 | case FC_LS_RJT_EXP_INSUFF_RES: | |
5385 | /* | |
5386 | * This means max logins per port/switch setting on the | |
5387 | * switch was exceeded. | |
5388 | */ | |
5389 | if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES) | |
5390 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | |
5391 | else | |
5392 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED); | |
5393 | break; | |
5394 | ||
5395 | default: | |
5396 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | |
5397 | } | |
5398 | } | |
5399 | ||
5400 | /** | |
5401 | * Called to send a logout to the fabric. Used when a V-Port is | |
5402 | * deleted/stopped. | |
5403 | */ | |
5404 | static void | |
5405 | bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport) | |
5406 | { | |
5407 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5408 | ||
5409 | vport->vport_stats.logo_sent++; | |
5410 | bfa_lps_fdisclogo(vport->lps); | |
5411 | } | |
5412 | ||
5413 | ||
5414 | /** | |
5415 | * This routine will be called by bfa_timer on timer timeouts. | |
5416 | * | |
5417 | * param[in] vport - pointer to bfa_fcs_vport_t. | |
5418 | * param[out] vport_status - pointer to return vport status in | |
5419 | * | |
5420 | * return | |
5421 | * void | |
5422 | * | |
5423 | * Special Considerations: | |
5424 | * | |
5425 | * note | |
5426 | */ | |
5427 | static void | |
5428 | bfa_fcs_vport_timeout(void *vport_arg) | |
5429 | { | |
5430 | struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg; | |
5431 | ||
5432 | vport->vport_stats.fdisc_timeouts++; | |
5433 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT); | |
5434 | } | |
5435 | ||
5436 | static void | |
5437 | bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport) | |
5438 | { | |
5439 | struct bfad_vport_s *vport_drv = | |
5440 | (struct bfad_vport_s *)vport->vport_drv; | |
5441 | ||
5442 | bfa_fcs_fabric_delvport(__vport_fabric(vport), vport); | |
5443 | ||
5444 | if (vport_drv->comp_del) | |
5445 | complete(vport_drv->comp_del); | |
5446 | ||
5447 | bfa_lps_delete(vport->lps); | |
5448 | } | |
5449 | ||
5450 | ||
5451 | ||
5452 | /** | |
5453 | * fcs_vport_public FCS virtual port public interfaces | |
5454 | */ | |
5455 | ||
5456 | /** | |
5457 | * Online notification from fabric SM. | |
5458 | */ | |
5459 | void | |
5460 | bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport) | |
5461 | { | |
5462 | vport->vport_stats.fab_online++; | |
5463 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE); | |
5464 | } | |
5465 | ||
5466 | /** | |
5467 | * Offline notification from fabric SM. | |
5468 | */ | |
5469 | void | |
5470 | bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport) | |
5471 | { | |
5472 | vport->vport_stats.fab_offline++; | |
5473 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE); | |
5474 | } | |
5475 | ||
5476 | /** | |
5477 | * Cleanup notification from fabric SM on link timer expiry. | |
5478 | */ | |
5479 | void | |
5480 | bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport) | |
5481 | { | |
5482 | vport->vport_stats.fab_cleanup++; | |
5483 | } | |
5484 | /** | |
5485 | * delete notification from fabric SM. To be invoked from within FCS. | |
5486 | */ | |
5487 | void | |
5488 | bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport) | |
5489 | { | |
5490 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE); | |
5491 | } | |
5492 | ||
5493 | /** | |
5494 | * Delete completion callback from associated lport | |
5495 | */ | |
5496 | void | |
5497 | bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport) | |
5498 | { | |
5499 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP); | |
5500 | } | |
5501 | ||
5502 | ||
5503 | ||
5504 | /** | |
5505 | * fcs_vport_api Virtual port API | |
5506 | */ | |
5507 | ||
5508 | /** | |
5509 | * Use this function to instantiate a new FCS vport object. This | |
5510 | * function will not trigger any HW initialization process (which will be | |
5511 | * done in vport_start() call) | |
5512 | * | |
5513 | * param[in] vport - pointer to bfa_fcs_vport_t. This space | |
5514 | * needs to be allocated by the driver. | |
5515 | * param[in] fcs - FCS instance | |
5516 | * param[in] vport_cfg - vport configuration | |
5517 | * param[in] vf_id - VF_ID if vport is created within a VF. | |
5518 | * FC_VF_ID_NULL to specify base fabric. | |
5519 | * param[in] vport_drv - Opaque handle back to the driver's vport | |
5520 | * structure | |
5521 | * | |
5522 | * retval BFA_STATUS_OK - on success. | |
5523 | * retval BFA_STATUS_FAILED - on failure. | |
5524 | */ | |
5525 | bfa_status_t | |
5526 | bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs, | |
5527 | u16 vf_id, struct bfa_lport_cfg_s *vport_cfg, | |
5528 | struct bfad_vport_s *vport_drv) | |
5529 | { | |
5530 | if (vport_cfg->pwwn == 0) | |
5531 | return BFA_STATUS_INVALID_WWN; | |
5532 | ||
5533 | if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn) | |
5534 | return BFA_STATUS_VPORT_WWN_BP; | |
5535 | ||
5536 | if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL) | |
5537 | return BFA_STATUS_VPORT_EXISTS; | |
5538 | ||
5539 | if (bfa_fcs_fabric_vport_count(&fcs->fabric) == | |
5540 | bfa_lps_get_max_vport(fcs->bfa)) | |
5541 | return BFA_STATUS_VPORT_MAX; | |
5542 | ||
5543 | vport->lps = bfa_lps_alloc(fcs->bfa); | |
5544 | if (!vport->lps) | |
5545 | return BFA_STATUS_VPORT_MAX; | |
5546 | ||
5547 | vport->vport_drv = vport_drv; | |
5548 | vport_cfg->preboot_vp = BFA_FALSE; | |
5549 | ||
5550 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); | |
5551 | bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport); | |
5552 | bfa_fcs_lport_init(&vport->lport, vport_cfg); | |
5553 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE); | |
5554 | ||
5555 | return BFA_STATUS_OK; | |
5556 | } | |
5557 | ||
5558 | /** | |
5559 | * Use this function to instantiate a new FCS PBC vport object. This | |
5560 | * function will not trigger any HW initialization process (which will be | |
5561 | * done in vport_start() call) | |
5562 | * | |
5563 | * param[in] vport - pointer to bfa_fcs_vport_t. This space | |
5564 | * needs to be allocated by the driver. | |
5565 | * param[in] fcs - FCS instance | |
5566 | * param[in] vport_cfg - vport configuration | |
5567 | * param[in] vf_id - VF_ID if vport is created within a VF. | |
5568 | * FC_VF_ID_NULL to specify base fabric. | |
5569 | * param[in] vport_drv - Opaque handle back to the driver's vport | |
5570 | * structure | |
5571 | * | |
5572 | * retval BFA_STATUS_OK - on success. | |
5573 | * retval BFA_STATUS_FAILED - on failure. | |
5574 | */ | |
5575 | bfa_status_t | |
5576 | bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs, | |
5577 | u16 vf_id, struct bfa_lport_cfg_s *vport_cfg, | |
5578 | struct bfad_vport_s *vport_drv) | |
5579 | { | |
5580 | bfa_status_t rc; | |
5581 | ||
5582 | rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv); | |
5583 | vport->lport.port_cfg.preboot_vp = BFA_TRUE; | |
5584 | ||
5585 | return rc; | |
5586 | } | |
5587 | ||
5588 | /** | |
5589 | * Use this function to findout if this is a pbc vport or not. | |
5590 | * | |
5591 | * @param[in] vport - pointer to bfa_fcs_vport_t. | |
5592 | * | |
5593 | * @returns None | |
5594 | */ | |
5595 | bfa_boolean_t | |
5596 | bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport) | |
5597 | { | |
5598 | ||
5599 | if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE)) | |
5600 | return BFA_TRUE; | |
5601 | else | |
5602 | return BFA_FALSE; | |
5603 | ||
5604 | } | |
5605 | ||
5606 | /** | |
5607 | * Use this function initialize the vport. | |
5608 | * | |
5609 | * @param[in] vport - pointer to bfa_fcs_vport_t. | |
5610 | * | |
5611 | * @returns None | |
5612 | */ | |
5613 | bfa_status_t | |
5614 | bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport) | |
5615 | { | |
5616 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START); | |
5617 | ||
5618 | return BFA_STATUS_OK; | |
5619 | } | |
5620 | ||
5621 | /** | |
5622 | * Use this function quiese the vport object. This function will return | |
5623 | * immediately, when the vport is actually stopped, the | |
5624 | * bfa_drv_vport_stop_cb() will be called. | |
5625 | * | |
5626 | * param[in] vport - pointer to bfa_fcs_vport_t. | |
5627 | * | |
5628 | * return None | |
5629 | */ | |
5630 | bfa_status_t | |
5631 | bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport) | |
5632 | { | |
5633 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP); | |
5634 | ||
5635 | return BFA_STATUS_OK; | |
5636 | } | |
5637 | ||
5638 | /** | |
5639 | * Use this function to delete a vport object. Fabric object should | |
5640 | * be stopped before this function call. | |
5641 | * | |
5642 | * !!!!!!! Donot invoke this from within FCS !!!!!!! | |
5643 | * | |
5644 | * param[in] vport - pointer to bfa_fcs_vport_t. | |
5645 | * | |
5646 | * return None | |
5647 | */ | |
5648 | bfa_status_t | |
5649 | bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport) | |
5650 | { | |
5651 | ||
5652 | if (vport->lport.port_cfg.preboot_vp) | |
5653 | return BFA_STATUS_PBC; | |
5654 | ||
5655 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE); | |
5656 | ||
5657 | return BFA_STATUS_OK; | |
5658 | } | |
5659 | ||
5660 | /** | |
5661 | * Use this function to get vport's current status info. | |
5662 | * | |
5663 | * param[in] vport pointer to bfa_fcs_vport_t. | |
5664 | * param[out] attr pointer to return vport attributes | |
5665 | * | |
5666 | * return None | |
5667 | */ | |
5668 | void | |
5669 | bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, | |
5670 | struct bfa_vport_attr_s *attr) | |
5671 | { | |
5672 | if (vport == NULL || attr == NULL) | |
5673 | return; | |
5674 | ||
5675 | bfa_os_memset(attr, 0, sizeof(struct bfa_vport_attr_s)); | |
5676 | ||
5677 | bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr); | |
5678 | attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm); | |
5679 | } | |
5680 | ||
5681 | /** | |
5682 | * Use this function to get vport's statistics. | |
5683 | * | |
5684 | * param[in] vport pointer to bfa_fcs_vport_t. | |
5685 | * param[out] stats pointer to return vport statistics in | |
5686 | * | |
5687 | * return None | |
5688 | */ | |
5689 | void | |
5690 | bfa_fcs_vport_get_stats(struct bfa_fcs_vport_s *vport, | |
5691 | struct bfa_vport_stats_s *stats) | |
5692 | { | |
5693 | *stats = vport->vport_stats; | |
5694 | } | |
5695 | ||
5696 | /** | |
5697 | * Use this function to clear vport's statistics. | |
5698 | * | |
5699 | * param[in] vport pointer to bfa_fcs_vport_t. | |
5700 | * | |
5701 | * return None | |
5702 | */ | |
5703 | void | |
5704 | bfa_fcs_vport_clr_stats(struct bfa_fcs_vport_s *vport) | |
5705 | { | |
5706 | bfa_os_memset(&vport->vport_stats, 0, sizeof(struct bfa_vport_stats_s)); | |
5707 | } | |
5708 | ||
5709 | /** | |
5710 | * Lookup a virtual port. Excludes base port from lookup. | |
5711 | */ | |
5712 | struct bfa_fcs_vport_s * | |
5713 | bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn) | |
5714 | { | |
5715 | struct bfa_fcs_vport_s *vport; | |
5716 | struct bfa_fcs_fabric_s *fabric; | |
5717 | ||
5718 | bfa_trc(fcs, vf_id); | |
5719 | bfa_trc(fcs, vpwwn); | |
5720 | ||
5721 | fabric = bfa_fcs_vf_lookup(fcs, vf_id); | |
5722 | if (!fabric) { | |
5723 | bfa_trc(fcs, vf_id); | |
5724 | return NULL; | |
5725 | } | |
5726 | ||
5727 | vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn); | |
5728 | return vport; | |
5729 | } | |
5730 | ||
5731 | /** | |
5732 | * FDISC Response | |
5733 | */ | |
5734 | void | |
5735 | bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status) | |
5736 | { | |
5737 | struct bfa_fcs_vport_s *vport = uarg; | |
5738 | ||
5739 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | |
5740 | bfa_trc(__vport_fcs(vport), status); | |
5741 | ||
5742 | switch (status) { | |
5743 | case BFA_STATUS_OK: | |
5744 | /* | |
b595076a | 5745 | * Initialize the V-Port fields |
a36c61f9 KG |
5746 | */ |
5747 | __vport_fcid(vport) = bfa_lps_get_pid(vport->lps); | |
5748 | vport->vport_stats.fdisc_accepts++; | |
5749 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK); | |
5750 | break; | |
5751 | ||
5752 | case BFA_STATUS_INVALID_MAC: | |
5753 | /* Only for CNA */ | |
5754 | vport->vport_stats.fdisc_acc_bad++; | |
5755 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | |
5756 | ||
5757 | break; | |
5758 | ||
5759 | case BFA_STATUS_EPROTOCOL: | |
5760 | switch (bfa_lps_get_extstatus(vport->lps)) { | |
5761 | case BFA_EPROTO_BAD_ACCEPT: | |
5762 | vport->vport_stats.fdisc_acc_bad++; | |
5763 | break; | |
5764 | ||
5765 | case BFA_EPROTO_UNKNOWN_RSP: | |
5766 | vport->vport_stats.fdisc_unknown_rsp++; | |
5767 | break; | |
5768 | ||
5769 | default: | |
5770 | break; | |
5771 | } | |
5772 | ||
5773 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | |
5774 | break; | |
5775 | ||
5776 | case BFA_STATUS_FABRIC_RJT: | |
5777 | vport->vport_stats.fdisc_rejects++; | |
5778 | bfa_fcs_vport_fdisc_rejected(vport); | |
5779 | break; | |
5780 | ||
5781 | default: | |
5782 | vport->vport_stats.fdisc_rsp_err++; | |
5783 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | |
5784 | } | |
5785 | } | |
5786 | ||
5787 | /** | |
5788 | * LOGO response | |
5789 | */ | |
5790 | void | |
5791 | bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg) | |
5792 | { | |
5793 | struct bfa_fcs_vport_s *vport = uarg; | |
5794 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK); | |
5795 | } | |
5796 | ||
5797 | /** | |
5798 | * Received clear virtual link | |
5799 | */ | |
5800 | void | |
5801 | bfa_cb_lps_cvl_event(void *bfad, void *uarg) | |
5802 | { | |
5803 | struct bfa_fcs_vport_s *vport = uarg; | |
5804 | ||
5805 | /* Send an Offline followed by an ONLINE */ | |
5806 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE); | |
5807 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE); | |
5808 | } |