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iwlwifi: mvm: Change location of vif_count verification for PM
[linux-2.6.git] / drivers / scsi / bfa / bfa_fcs_lport.c
blob1224d0462a491a5911fa3eda6d37d36a1ec7caf2
1 /*
2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 */
17
18 #include "bfad_drv.h"
19 #include "bfad_im.h"
20 #include "bfa_fcs.h"
21 #include "bfa_fcbuild.h"
22 #include "bfa_fc.h"
23
24 BFA_TRC_FILE(FCS, PORT);
25
26 /*
27 * ALPA to LIXA bitmap mapping
28 *
29 * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
30 * is for L_bit (login required) and is filled as ALPA 0x00 here.
31 */
32 static const u8 loop_alpa_map[] = {
33 0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
34 0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
35 0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
36 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */
37
38 0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
39 0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
40 0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
41 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */
42
43 0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
44 0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
45 0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
46 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */
47
48 0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
49 0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
50 0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
51 0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
52 };
53
54 static void bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
55 struct fchs_s *rx_fchs, u8 reason_code,
56 u8 reason_code_expl);
57 static void bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
58 struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
59 static void bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
60 static void bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
61 static void bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
62 static void bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
63 static void bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
64 static void bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
65 static void bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
66 struct fchs_s *rx_fchs,
67 struct fc_echo_s *echo, u16 len);
68 static void bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
69 struct fchs_s *rx_fchs,
70 struct fc_rnid_cmd_s *rnid, u16 len);
71 static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
72 struct fc_rnid_general_topology_data_s *gen_topo_data);
73
74 static void bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
75 static void bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
76 static void bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
77
78 static void bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
79 static void bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
80 static void bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
81
82 static void bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
83 static void bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
84 static void bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);
85
86 static struct {
87 void (*init) (struct bfa_fcs_lport_s *port);
88 void (*online) (struct bfa_fcs_lport_s *port);
89 void (*offline) (struct bfa_fcs_lport_s *port);
90 } __port_action[] = {
91 {
92 bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
93 bfa_fcs_lport_unknown_offline}, {
94 bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
95 bfa_fcs_lport_fab_offline}, {
96 bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
97 bfa_fcs_lport_n2n_offline}, {
98 bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online,
99 bfa_fcs_lport_loop_offline},
100 };
101
102 /*
103 * fcs_port_sm FCS logical port state machine
104 */
105
106 enum bfa_fcs_lport_event {
107 BFA_FCS_PORT_SM_CREATE = 1,
108 BFA_FCS_PORT_SM_ONLINE = 2,
109 BFA_FCS_PORT_SM_OFFLINE = 3,
110 BFA_FCS_PORT_SM_DELETE = 4,
111 BFA_FCS_PORT_SM_DELRPORT = 5,
112 BFA_FCS_PORT_SM_STOP = 6,
113 };
114
115 static void bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
116 enum bfa_fcs_lport_event event);
117 static void bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
118 enum bfa_fcs_lport_event event);
119 static void bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
120 enum bfa_fcs_lport_event event);
121 static void bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
122 enum bfa_fcs_lport_event event);
123 static void bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
124 enum bfa_fcs_lport_event event);
125 static void bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
126 enum bfa_fcs_lport_event event);
127
128 static void
129 bfa_fcs_lport_sm_uninit(
130 struct bfa_fcs_lport_s *port,
131 enum bfa_fcs_lport_event event)
132 {
133 bfa_trc(port->fcs, port->port_cfg.pwwn);
134 bfa_trc(port->fcs, event);
135
136 switch (event) {
137 case BFA_FCS_PORT_SM_CREATE:
138 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
139 break;
140
141 default:
142 bfa_sm_fault(port->fcs, event);
143 }
144 }
145
146 static void
147 bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
148 enum bfa_fcs_lport_event event)
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_ONLINE:
155 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
156 bfa_fcs_lport_online_actions(port);
157 break;
158
159 case BFA_FCS_PORT_SM_DELETE:
160 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
161 bfa_fcs_lport_deleted(port);
162 break;
163
164 case BFA_FCS_PORT_SM_STOP:
165 /* If vport - send completion call back */
166 if (port->vport)
167 bfa_fcs_vport_stop_comp(port->vport);
168 else
169 bfa_wc_down(&(port->fabric->stop_wc));
170 break;
171
172 case BFA_FCS_PORT_SM_OFFLINE:
173 break;
174
175 default:
176 bfa_sm_fault(port->fcs, event);
177 }
178 }
179
180 static void
181 bfa_fcs_lport_sm_online(
182 struct bfa_fcs_lport_s *port,
183 enum bfa_fcs_lport_event event)
184 {
185 struct bfa_fcs_rport_s *rport;
186 struct list_head *qe, *qen;
187
188 bfa_trc(port->fcs, port->port_cfg.pwwn);
189 bfa_trc(port->fcs, event);
190
191 switch (event) {
192 case BFA_FCS_PORT_SM_OFFLINE:
193 bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
194 bfa_fcs_lport_offline_actions(port);
195 break;
196
197 case BFA_FCS_PORT_SM_STOP:
198 __port_action[port->fabric->fab_type].offline(port);
199
200 if (port->num_rports == 0) {
201 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
202 /* If vport - send completion call back */
203 if (port->vport)
204 bfa_fcs_vport_stop_comp(port->vport);
205 else
206 bfa_wc_down(&(port->fabric->stop_wc));
207 } else {
208 bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
209 list_for_each_safe(qe, qen, &port->rport_q) {
210 rport = (struct bfa_fcs_rport_s *) qe;
211 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
212 }
213 }
214 break;
215
216 case BFA_FCS_PORT_SM_DELETE:
217
218 __port_action[port->fabric->fab_type].offline(port);
219
220 if (port->num_rports == 0) {
221 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
222 bfa_fcs_lport_deleted(port);
223 } else {
224 bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
225 list_for_each_safe(qe, qen, &port->rport_q) {
226 rport = (struct bfa_fcs_rport_s *) qe;
227 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
228 }
229 }
230 break;
231
232 case BFA_FCS_PORT_SM_DELRPORT:
233 break;
234
235 default:
236 bfa_sm_fault(port->fcs, event);
237 }
238 }
239
240 static void
241 bfa_fcs_lport_sm_offline(
242 struct bfa_fcs_lport_s *port,
243 enum bfa_fcs_lport_event event)
244 {
245 struct bfa_fcs_rport_s *rport;
246 struct list_head *qe, *qen;
247
248 bfa_trc(port->fcs, port->port_cfg.pwwn);
249 bfa_trc(port->fcs, event);
250
251 switch (event) {
252 case BFA_FCS_PORT_SM_ONLINE:
253 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
254 bfa_fcs_lport_online_actions(port);
255 break;
256
257 case BFA_FCS_PORT_SM_STOP:
258 if (port->num_rports == 0) {
259 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
260 /* If vport - send completion call back */
261 if (port->vport)
262 bfa_fcs_vport_stop_comp(port->vport);
263 else
264 bfa_wc_down(&(port->fabric->stop_wc));
265 } else {
266 bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
267 list_for_each_safe(qe, qen, &port->rport_q) {
268 rport = (struct bfa_fcs_rport_s *) qe;
269 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
270 }
271 }
272 break;
273
274 case BFA_FCS_PORT_SM_DELETE:
275 if (port->num_rports == 0) {
276 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
277 bfa_fcs_lport_deleted(port);
278 } else {
279 bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
280 list_for_each_safe(qe, qen, &port->rport_q) {
281 rport = (struct bfa_fcs_rport_s *) qe;
282 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
283 }
284 }
285 break;
286
287 case BFA_FCS_PORT_SM_DELRPORT:
288 case BFA_FCS_PORT_SM_OFFLINE:
289 break;
290
291 default:
292 bfa_sm_fault(port->fcs, event);
293 }
294 }
295
296 static void
297 bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
298 enum bfa_fcs_lport_event event)
299 {
300 bfa_trc(port->fcs, port->port_cfg.pwwn);
301 bfa_trc(port->fcs, event);
302
303 switch (event) {
304 case BFA_FCS_PORT_SM_DELRPORT:
305 if (port->num_rports == 0) {
306 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
307 /* If vport - send completion call back */
308 if (port->vport)
309 bfa_fcs_vport_stop_comp(port->vport);
310 else
311 bfa_wc_down(&(port->fabric->stop_wc));
312 }
313 break;
314
315 default:
316 bfa_sm_fault(port->fcs, event);
317 }
318 }
319
320 static void
321 bfa_fcs_lport_sm_deleting(
322 struct bfa_fcs_lport_s *port,
323 enum bfa_fcs_lport_event event)
324 {
325 bfa_trc(port->fcs, port->port_cfg.pwwn);
326 bfa_trc(port->fcs, event);
327
328 switch (event) {
329 case BFA_FCS_PORT_SM_DELRPORT:
330 if (port->num_rports == 0) {
331 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
332 bfa_fcs_lport_deleted(port);
333 }
334 break;
335
336 default:
337 bfa_sm_fault(port->fcs, event);
338 }
339 }
340
341 /*
342 * fcs_port_pvt
343 */
344
345 /*
346 * Send AEN notification
347 */
348 static void
349 bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
350 enum bfa_lport_aen_event event)
351 {
352 struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
353 struct bfa_aen_entry_s *aen_entry;
354
355 bfad_get_aen_entry(bfad, aen_entry);
356 if (!aen_entry)
357 return;
358
359 aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
360 aen_entry->aen_data.lport.roles = port->port_cfg.roles;
361 aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
362 bfa_fcs_get_base_port(port->fcs));
363 aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
364
365 /* Send the AEN notification */
366 bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
367 BFA_AEN_CAT_LPORT, event);
368 }
369
370 /*
371 * Send a LS reject
372 */
373 static void
374 bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
375 u8 reason_code, u8 reason_code_expl)
376 {
377 struct fchs_s fchs;
378 struct bfa_fcxp_s *fcxp;
379 struct bfa_rport_s *bfa_rport = NULL;
380 int len;
381
382 bfa_trc(port->fcs, rx_fchs->d_id);
383 bfa_trc(port->fcs, rx_fchs->s_id);
384
385 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
386 if (!fcxp)
387 return;
388
389 len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
390 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
391 rx_fchs->ox_id, reason_code, reason_code_expl);
392
393 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
394 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
395 FC_MAX_PDUSZ, 0);
396 }
397
398 /*
399 * Send a FCCT Reject
400 */
401 static void
402 bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port,
403 struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl)
404 {
405 struct fchs_s fchs;
406 struct bfa_fcxp_s *fcxp;
407 struct bfa_rport_s *bfa_rport = NULL;
408 int len;
409 struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
410 struct ct_hdr_s *ct_hdr;
411
412 bfa_trc(port->fcs, rx_fchs->d_id);
413 bfa_trc(port->fcs, rx_fchs->s_id);
414
415 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
416 if (!fcxp)
417 return;
418
419 ct_hdr = bfa_fcxp_get_reqbuf(fcxp);
420 ct_hdr->gs_type = rx_cthdr->gs_type;
421 ct_hdr->gs_sub_type = rx_cthdr->gs_sub_type;
422
423 len = fc_gs_rjt_build(&fchs, ct_hdr, rx_fchs->s_id,
424 bfa_fcs_lport_get_fcid(port),
425 rx_fchs->ox_id, reason_code, reason_code_expl);
426
427 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
428 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
429 FC_MAX_PDUSZ, 0);
430 }
431
432 /*
433 * Process incoming plogi from a remote port.
434 */
435 static void
436 bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
437 struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
438 {
439 struct bfa_fcs_rport_s *rport;
440
441 bfa_trc(port->fcs, rx_fchs->d_id);
442 bfa_trc(port->fcs, rx_fchs->s_id);
443
444 /*
445 * If min cfg mode is enabled, drop any incoming PLOGIs
446 */
447 if (__fcs_min_cfg(port->fcs)) {
448 bfa_trc(port->fcs, rx_fchs->s_id);
449 return;
450 }
451
452 if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
453 bfa_trc(port->fcs, rx_fchs->s_id);
454 /*
455 * send a LS reject
456 */
457 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
458 FC_LS_RJT_RSN_PROTOCOL_ERROR,
459 FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
460 return;
461 }
462
463 /*
464 * Direct Attach P2P mode : verify address assigned by the r-port.
465 */
466 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
467 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
468 (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
469 if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
470 /* Address assigned to us cannot be a WKA */
471 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
472 FC_LS_RJT_RSN_PROTOCOL_ERROR,
473 FC_LS_RJT_EXP_INVALID_NPORT_ID);
474 return;
475 }
476 port->pid = rx_fchs->d_id;
477 bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
478 }
479
480 /*
481 * First, check if we know the device by pwwn.
482 */
483 rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
484 if (rport) {
485 /*
486 * Direct Attach P2P mode : handle address assigned by r-port.
487 */
488 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
489 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
490 (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
491 port->pid = rx_fchs->d_id;
492 bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
493 rport->pid = rx_fchs->s_id;
494 }
495 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
496 return;
497 }
498
499 /*
500 * Next, lookup rport by PID.
501 */
502 rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
503 if (!rport) {
504 /*
505 * Inbound PLOGI from a new device.
506 */
507 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
508 return;
509 }
510
511 /*
512 * Rport is known only by PID.
513 */
514 if (rport->pwwn) {
515 /*
516 * This is a different device with the same pid. Old device
517 * disappeared. Send implicit LOGO to old device.
518 */
519 WARN_ON(rport->pwwn == plogi->port_name);
520 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
521
522 /*
523 * Inbound PLOGI from a new device (with old PID).
524 */
525 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
526 return;
527 }
528
529 /*
530 * PLOGI crossing each other.
531 */
532 WARN_ON(rport->pwwn != WWN_NULL);
533 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
534 }
535
536 /*
537 * Process incoming ECHO.
538 * Since it does not require a login, it is processed here.
539 */
540 static void
541 bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
542 struct fc_echo_s *echo, u16 rx_len)
543 {
544 struct fchs_s fchs;
545 struct bfa_fcxp_s *fcxp;
546 struct bfa_rport_s *bfa_rport = NULL;
547 int len, pyld_len;
548
549 bfa_trc(port->fcs, rx_fchs->s_id);
550 bfa_trc(port->fcs, rx_fchs->d_id);
551
552 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
553 if (!fcxp)
554 return;
555
556 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
557 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
558 rx_fchs->ox_id);
559
560 /*
561 * Copy the payload (if any) from the echo frame
562 */
563 pyld_len = rx_len - sizeof(struct fchs_s);
564 bfa_trc(port->fcs, rx_len);
565 bfa_trc(port->fcs, pyld_len);
566
567 if (pyld_len > len)
568 memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
569 sizeof(struct fc_echo_s), (echo + 1),
570 (pyld_len - sizeof(struct fc_echo_s)));
571
572 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
573 BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
574 FC_MAX_PDUSZ, 0);
575 }
576
577 /*
578 * Process incoming RNID.
579 * Since it does not require a login, it is processed here.
580 */
581 static void
582 bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
583 struct fc_rnid_cmd_s *rnid, u16 rx_len)
584 {
585 struct fc_rnid_common_id_data_s common_id_data;
586 struct fc_rnid_general_topology_data_s gen_topo_data;
587 struct fchs_s fchs;
588 struct bfa_fcxp_s *fcxp;
589 struct bfa_rport_s *bfa_rport = NULL;
590 u16 len;
591 u32 data_format;
592
593 bfa_trc(port->fcs, rx_fchs->s_id);
594 bfa_trc(port->fcs, rx_fchs->d_id);
595 bfa_trc(port->fcs, rx_len);
596
597 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
598 if (!fcxp)
599 return;
600
601 /*
602 * Check Node Indentification Data Format
603 * We only support General Topology Discovery Format.
604 * For any other requested Data Formats, we return Common Node Id Data
605 * only, as per FC-LS.
606 */
607 bfa_trc(port->fcs, rnid->node_id_data_format);
608 if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
609 data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
610 /*
611 * Get General topology data for this port
612 */
613 bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
614 } else {
615 data_format = RNID_NODEID_DATA_FORMAT_COMMON;
616 }
617
618 /*
619 * Copy the Node Id Info
620 */
621 common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
622 common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
623
624 len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
625 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
626 rx_fchs->ox_id, data_format, &common_id_data,
627 &gen_topo_data);
628
629 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
630 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
631 FC_MAX_PDUSZ, 0);
632 }
633
634 /*
635 * Fill out General Topolpgy Discovery Data for RNID ELS.
636 */
637 static void
638 bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
639 struct fc_rnid_general_topology_data_s *gen_topo_data)
640 {
641 memset(gen_topo_data, 0,
642 sizeof(struct fc_rnid_general_topology_data_s));
643
644 gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
645 gen_topo_data->phy_port_num = 0; /* @todo */
646 gen_topo_data->num_attached_nodes = cpu_to_be32(1);
647 }
648
649 static void
650 bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
651 {
652 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
653 char lpwwn_buf[BFA_STRING_32];
654
655 bfa_trc(port->fcs, port->fabric->oper_type);
656
657 __port_action[port->fabric->fab_type].init(port);
658 __port_action[port->fabric->fab_type].online(port);
659
660 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
661 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
662 "Logical port online: WWN = %s Role = %s\n",
663 lpwwn_buf, "Initiator");
664 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_ONLINE);
665
666 bfad->bfad_flags |= BFAD_PORT_ONLINE;
667 }
668
669 static void
670 bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
671 {
672 struct list_head *qe, *qen;
673 struct bfa_fcs_rport_s *rport;
674 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
675 char lpwwn_buf[BFA_STRING_32];
676
677 bfa_trc(port->fcs, port->fabric->oper_type);
678
679 __port_action[port->fabric->fab_type].offline(port);
680
681 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
682 if (bfa_sm_cmp_state(port->fabric,
683 bfa_fcs_fabric_sm_online) == BFA_TRUE) {
684 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
685 "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
686 lpwwn_buf, "Initiator");
687 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
688 } else {
689 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
690 "Logical port taken offline: WWN = %s Role = %s\n",
691 lpwwn_buf, "Initiator");
692 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_OFFLINE);
693 }
694
695 list_for_each_safe(qe, qen, &port->rport_q) {
696 rport = (struct bfa_fcs_rport_s *) qe;
697 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
698 }
699 }
700
701 static void
702 bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
703 {
704 WARN_ON(1);
705 }
706
707 static void
708 bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
709 {
710 WARN_ON(1);
711 }
712
713 static void
714 bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
715 {
716 WARN_ON(1);
717 }
718
719 static void
720 bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
721 {
722 struct fchs_s fchs;
723 struct bfa_fcxp_s *fcxp;
724 int len;
725
726 bfa_trc(port->fcs, rx_fchs->d_id);
727 bfa_trc(port->fcs, rx_fchs->s_id);
728
729 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
730 if (!fcxp)
731 return;
732
733 len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
734 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
735 rx_fchs->ox_id, 0);
736
737 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
738 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
739 FC_MAX_PDUSZ, 0);
740 }
741 static void
742 bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
743 {
744 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
745 char lpwwn_buf[BFA_STRING_32];
746
747 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
748 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
749 "Logical port deleted: WWN = %s Role = %s\n",
750 lpwwn_buf, "Initiator");
751 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DELETE);
752
753 /* Base port will be deleted by the OS driver */
754 if (port->vport)
755 bfa_fcs_vport_delete_comp(port->vport);
756 else
757 bfa_wc_down(&port->fabric->wc);
758 }
759
760
761 /*
762 * Unsolicited frame receive handling.
763 */
764 void
765 bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
766 struct fchs_s *fchs, u16 len)
767 {
768 u32 pid = fchs->s_id;
769 struct bfa_fcs_rport_s *rport = NULL;
770 struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
771
772 bfa_stats(lport, uf_recvs);
773 bfa_trc(lport->fcs, fchs->type);
774
775 if (!bfa_fcs_lport_is_online(lport)) {
776 bfa_stats(lport, uf_recv_drops);
777 return;
778 }
779
780 /*
781 * First, handle ELSs that donot require a login.
782 */
783 /*
784 * Handle PLOGI first
785 */
786 if ((fchs->type == FC_TYPE_ELS) &&
787 (els_cmd->els_code == FC_ELS_PLOGI)) {
788 bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
789 return;
790 }
791
792 /*
793 * Handle ECHO separately.
794 */
795 if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
796 bfa_fcs_lport_echo(lport, fchs,
797 (struct fc_echo_s *)els_cmd, len);
798 return;
799 }
800
801 /*
802 * Handle RNID separately.
803 */
804 if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
805 bfa_fcs_lport_rnid(lport, fchs,
806 (struct fc_rnid_cmd_s *) els_cmd, len);
807 return;
808 }
809
810 if (fchs->type == FC_TYPE_BLS) {
811 if ((fchs->routing == FC_RTG_BASIC_LINK) &&
812 (fchs->cat_info == FC_CAT_ABTS))
813 bfa_fcs_lport_abts_acc(lport, fchs);
814 return;
815 }
816
817 if (fchs->type == FC_TYPE_SERVICES) {
818 /*
819 * Unhandled FC-GS frames. Send a FC-CT Reject
820 */
821 bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
822 CT_NS_EXP_NOADDITIONAL);
823 return;
824 }
825
826 /*
827 * look for a matching remote port ID
828 */
829 rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
830 if (rport) {
831 bfa_trc(rport->fcs, fchs->s_id);
832 bfa_trc(rport->fcs, fchs->d_id);
833 bfa_trc(rport->fcs, fchs->type);
834
835 bfa_fcs_rport_uf_recv(rport, fchs, len);
836 return;
837 }
838
839 /*
840 * Only handles ELS frames for now.
841 */
842 if (fchs->type != FC_TYPE_ELS) {
843 bfa_trc(lport->fcs, fchs->s_id);
844 bfa_trc(lport->fcs, fchs->d_id);
845 /* ignore type FC_TYPE_FC_FSS */
846 if (fchs->type != FC_TYPE_FC_FSS)
847 bfa_sm_fault(lport->fcs, fchs->type);
848 return;
849 }
850
851 bfa_trc(lport->fcs, els_cmd->els_code);
852 if (els_cmd->els_code == FC_ELS_RSCN) {
853 bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
854 return;
855 }
856
857 if (els_cmd->els_code == FC_ELS_LOGO) {
858 /*
859 * @todo Handle LOGO frames received.
860 */
861 return;
862 }
863
864 if (els_cmd->els_code == FC_ELS_PRLI) {
865 /*
866 * @todo Handle PRLI frames received.
867 */
868 return;
869 }
870
871 /*
872 * Unhandled ELS frames. Send a LS_RJT.
873 */
874 bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
875 FC_LS_RJT_EXP_NO_ADDL_INFO);
876
877 }
878
879 /*
880 * PID based Lookup for a R-Port in the Port R-Port Queue
881 */
882 struct bfa_fcs_rport_s *
883 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
884 {
885 struct bfa_fcs_rport_s *rport;
886 struct list_head *qe;
887
888 list_for_each(qe, &port->rport_q) {
889 rport = (struct bfa_fcs_rport_s *) qe;
890 if (rport->pid == pid)
891 return rport;
892 }
893
894 bfa_trc(port->fcs, pid);
895 return NULL;
896 }
897
898 /*
899 * OLD_PID based Lookup for a R-Port in the Port R-Port Queue
900 */
901 struct bfa_fcs_rport_s *
902 bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
903 {
904 struct bfa_fcs_rport_s *rport;
905 struct list_head *qe;
906
907 list_for_each(qe, &port->rport_q) {
908 rport = (struct bfa_fcs_rport_s *) qe;
909 if (rport->old_pid == pid)
910 return rport;
911 }
912
913 bfa_trc(port->fcs, pid);
914 return NULL;
915 }
916
917 /*
918 * PWWN based Lookup for a R-Port in the Port R-Port Queue
919 */
920 struct bfa_fcs_rport_s *
921 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
922 {
923 struct bfa_fcs_rport_s *rport;
924 struct list_head *qe;
925
926 list_for_each(qe, &port->rport_q) {
927 rport = (struct bfa_fcs_rport_s *) qe;
928 if (wwn_is_equal(rport->pwwn, pwwn))
929 return rport;
930 }
931
932 bfa_trc(port->fcs, pwwn);
933 return NULL;
934 }
935
936 /*
937 * NWWN based Lookup for a R-Port in the Port R-Port Queue
938 */
939 struct bfa_fcs_rport_s *
940 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
941 {
942 struct bfa_fcs_rport_s *rport;
943 struct list_head *qe;
944
945 list_for_each(qe, &port->rport_q) {
946 rport = (struct bfa_fcs_rport_s *) qe;
947 if (wwn_is_equal(rport->nwwn, nwwn))
948 return rport;
949 }
950
951 bfa_trc(port->fcs, nwwn);
952 return NULL;
953 }
954
955 /*
956 * PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
957 */
958 struct bfa_fcs_rport_s *
959 bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
960 wwn_t pwwn, u32 pid)
961 {
962 struct bfa_fcs_rport_s *rport;
963 struct list_head *qe;
964
965 list_for_each(qe, &port->rport_q) {
966 rport = (struct bfa_fcs_rport_s *) qe;
967 if (wwn_is_equal(rport->pwwn, pwwn) && rport->pid == pid)
968 return rport;
969 }
970
971 bfa_trc(port->fcs, pwwn);
972 return NULL;
973 }
974
975 /*
976 * Called by rport module when new rports are discovered.
977 */
978 void
979 bfa_fcs_lport_add_rport(
980 struct bfa_fcs_lport_s *port,
981 struct bfa_fcs_rport_s *rport)
982 {
983 list_add_tail(&rport->qe, &port->rport_q);
984 port->num_rports++;
985 }
986
987 /*
988 * Called by rport module to when rports are deleted.
989 */
990 void
991 bfa_fcs_lport_del_rport(
992 struct bfa_fcs_lport_s *port,
993 struct bfa_fcs_rport_s *rport)
994 {
995 WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
996 list_del(&rport->qe);
997 port->num_rports--;
998
999 bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
1000 }
1001
1002 /*
1003 * Called by fabric for base port when fabric login is complete.
1004 * Called by vport for virtual ports when FDISC is complete.
1005 */
1006 void
1007 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
1008 {
1009 bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
1010 }
1011
1012 /*
1013 * Called by fabric for base port when fabric goes offline.
1014 * Called by vport for virtual ports when virtual port becomes offline.
1015 */
1016 void
1017 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
1018 {
1019 bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
1020 }
1021
1022 /*
1023 * Called by fabric for base port and by vport for virtual ports
1024 * when target mode driver is unloaded.
1025 */
1026 void
1027 bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
1028 {
1029 bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
1030 }
1031
1032 /*
1033 * Called by fabric to delete base lport and associated resources.
1034 *
1035 * Called by vport to delete lport and associated resources. Should call
1036 * bfa_fcs_vport_delete_comp() for vports on completion.
1037 */
1038 void
1039 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
1040 {
1041 bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
1042 }
1043
1044 /*
1045 * Return TRUE if port is online, else return FALSE
1046 */
1047 bfa_boolean_t
1048 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
1049 {
1050 return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
1051 }
1052
1053 /*
1054 * Attach time initialization of logical ports.
1055 */
1056 void
1057 bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
1058 u16 vf_id, struct bfa_fcs_vport_s *vport)
1059 {
1060 lport->fcs = fcs;
1061 lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
1062 lport->vport = vport;
1063 lport->lp_tag = (vport) ? vport->lps->bfa_tag :
1064 lport->fabric->lps->bfa_tag;
1065
1066 INIT_LIST_HEAD(&lport->rport_q);
1067 lport->num_rports = 0;
1068 }
1069
1070 /*
1071 * Logical port initialization of base or virtual port.
1072 * Called by fabric for base port or by vport for virtual ports.
1073 */
1074
1075 void
1076 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
1077 struct bfa_lport_cfg_s *port_cfg)
1078 {
1079 struct bfa_fcs_vport_s *vport = lport->vport;
1080 struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
1081 char lpwwn_buf[BFA_STRING_32];
1082
1083 lport->port_cfg = *port_cfg;
1084
1085 lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
1086 lport->port_cfg.roles,
1087 lport->fabric->vf_drv,
1088 vport ? vport->vport_drv : NULL);
1089
1090 wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
1091 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
1092 "New logical port created: WWN = %s Role = %s\n",
1093 lpwwn_buf, "Initiator");
1094 bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);
1095
1096 bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
1097 bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
1098 }
1099
1100 /*
1101 * fcs_lport_api
1102 */
1103
1104 void
1105 bfa_fcs_lport_get_attr(
1106 struct bfa_fcs_lport_s *port,
1107 struct bfa_lport_attr_s *port_attr)
1108 {
1109 if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1110 port_attr->pid = port->pid;
1111 else
1112 port_attr->pid = 0;
1113
1114 port_attr->port_cfg = port->port_cfg;
1115
1116 if (port->fabric) {
1117 port_attr->port_type = port->fabric->oper_type;
1118 port_attr->loopback = bfa_sm_cmp_state(port->fabric,
1119 bfa_fcs_fabric_sm_loopback);
1120 port_attr->authfail =
1121 bfa_sm_cmp_state(port->fabric,
1122 bfa_fcs_fabric_sm_auth_failed);
1123 port_attr->fabric_name = bfa_fcs_lport_get_fabric_name(port);
1124 memcpy(port_attr->fabric_ip_addr,
1125 bfa_fcs_lport_get_fabric_ipaddr(port),
1126 BFA_FCS_FABRIC_IPADDR_SZ);
1127
1128 if (port->vport != NULL) {
1129 port_attr->port_type = BFA_PORT_TYPE_VPORT;
1130 port_attr->fpma_mac =
1131 port->vport->lps->lp_mac;
1132 } else {
1133 port_attr->fpma_mac =
1134 port->fabric->lps->lp_mac;
1135 }
1136 } else {
1137 port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
1138 port_attr->state = BFA_LPORT_UNINIT;
1139 }
1140 }
1141
1142 /*
1143 * bfa_fcs_lport_fab port fab functions
1144 */
1145
1146 /*
1147 * Called by port to initialize fabric services of the base port.
1148 */
1149 static void
1150 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
1151 {
1152 bfa_fcs_lport_ns_init(port);
1153 bfa_fcs_lport_scn_init(port);
1154 bfa_fcs_lport_ms_init(port);
1155 }
1156
1157 /*
1158 * Called by port to notify transition to online state.
1159 */
1160 static void
1161 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
1162 {
1163 bfa_fcs_lport_ns_online(port);
1164 bfa_fcs_lport_fab_scn_online(port);
1165 }
1166
1167 /*
1168 * Called by port to notify transition to offline state.
1169 */
1170 static void
1171 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
1172 {
1173 bfa_fcs_lport_ns_offline(port);
1174 bfa_fcs_lport_scn_offline(port);
1175 bfa_fcs_lport_ms_offline(port);
1176 }
1177
1178 /*
1179 * bfa_fcs_lport_n2n functions
1180 */
1181
1182 /*
1183 * Called by fcs/port to initialize N2N topology.
1184 */
1185 static void
1186 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
1187 {
1188 }
1189
1190 /*
1191 * Called by fcs/port to notify transition to online state.
1192 */
1193 static void
1194 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
1195 {
1196 struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1197 struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
1198 struct bfa_fcs_rport_s *rport;
1199
1200 bfa_trc(port->fcs, pcfg->pwwn);
1201
1202 /*
1203 * If our PWWN is > than that of the r-port, we have to initiate PLOGI
1204 * and assign an Address. if not, we need to wait for its PLOGI.
1205 *
1206 * If our PWWN is < than that of the remote port, it will send a PLOGI
1207 * with the PIDs assigned. The rport state machine take care of this
1208 * incoming PLOGI.
1209 */
1210 if (memcmp
1211 ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
1212 sizeof(wwn_t)) > 0) {
1213 port->pid = N2N_LOCAL_PID;
1214 bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
1215 /*
1216 * First, check if we know the device by pwwn.
1217 */
1218 rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1219 n2n_port->rem_port_wwn);
1220 if (rport) {
1221 bfa_trc(port->fcs, rport->pid);
1222 bfa_trc(port->fcs, rport->pwwn);
1223 rport->pid = N2N_REMOTE_PID;
1224 bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
1225 return;
1226 }
1227
1228 /*
1229 * In n2n there can be only one rport. Delete the old one
1230 * whose pid should be zero, because it is offline.
1231 */
1232 if (port->num_rports > 0) {
1233 rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1234 WARN_ON(rport == NULL);
1235 if (rport) {
1236 bfa_trc(port->fcs, rport->pwwn);
1237 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
1238 }
1239 }
1240 bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1241 }
1242 }
1243
1244 /*
1245 * Called by fcs/port to notify transition to offline state.
1246 */
1247 static void
1248 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1249 {
1250 struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1251
1252 bfa_trc(port->fcs, port->pid);
1253 port->pid = 0;
1254 n2n_port->rem_port_wwn = 0;
1255 n2n_port->reply_oxid = 0;
1256 }
1257
1258 void
1259 bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
1260 {
1261 int i = 0, j = 0, bit = 0, alpa_bit = 0;
1262 u8 k = 0;
1263 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
1264
1265 port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
1266 port->pid = fcport->myalpa;
1267 port->pid = bfa_hton3b(port->pid);
1268
1269 for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
1270 for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
1271 bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
1272 bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
1273 if (bit) {
1274 port->port_topo.ploop.alpa_pos_map[k] =
1275 loop_alpa_map[(i * 8) + alpa_bit];
1276 k++;
1277 bfa_trc(port->fcs->bfa, k);
1278 bfa_trc(port->fcs->bfa,
1279 port->port_topo.ploop.alpa_pos_map[k]);
1280 }
1281 }
1282 }
1283 port->port_topo.ploop.num_alpa = k;
1284 }
1285
1286 /*
1287 * Called by fcs/port to initialize Loop topology.
1288 */
1289 static void
1290 bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
1291 {
1292 }
1293
1294 /*
1295 * Called by fcs/port to notify transition to online state.
1296 */
1297 static void
1298 bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
1299 {
1300 u8 num_alpa = 0, alpabm_valid = 0;
1301 struct bfa_fcs_rport_s *rport;
1302 u8 *alpa_map = NULL;
1303 int i = 0;
1304 u32 pid;
1305
1306 bfa_fcport_get_loop_attr(port);
1307
1308 num_alpa = port->port_topo.ploop.num_alpa;
1309 alpabm_valid = port->port_topo.ploop.alpabm_valid;
1310 alpa_map = port->port_topo.ploop.alpa_pos_map;
1311
1312 bfa_trc(port->fcs->bfa, port->pid);
1313 bfa_trc(port->fcs->bfa, num_alpa);
1314 if (alpabm_valid == 1) {
1315 for (i = 0; i < num_alpa; i++) {
1316 bfa_trc(port->fcs->bfa, alpa_map[i]);
1317 if (alpa_map[i] != bfa_hton3b(port->pid)) {
1318 pid = alpa_map[i];
1319 bfa_trc(port->fcs->bfa, pid);
1320 rport = bfa_fcs_lport_get_rport_by_pid(port,
1321 bfa_hton3b(pid));
1322 if (!rport)
1323 rport = bfa_fcs_rport_create(port,
1324 bfa_hton3b(pid));
1325 }
1326 }
1327 } else {
1328 for (i = 0; i < MAX_ALPA_COUNT; i++) {
1329 if (alpa_map[i] != port->pid) {
1330 pid = loop_alpa_map[i];
1331 bfa_trc(port->fcs->bfa, pid);
1332 rport = bfa_fcs_lport_get_rport_by_pid(port,
1333 bfa_hton3b(pid));
1334 if (!rport)
1335 rport = bfa_fcs_rport_create(port,
1336 bfa_hton3b(pid));
1337 }
1338 }
1339 }
1340 }
1341
1342 /*
1343 * Called by fcs/port to notify transition to offline state.
1344 */
1345 static void
1346 bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
1347 {
1348 }
1349
1350 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1351
1352 /*
1353 * forward declarations
1354 */
1355 static void bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
1356 struct bfa_fcxp_s *fcxp_alloced);
1357 static void bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
1358 struct bfa_fcxp_s *fcxp_alloced);
1359 static void bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
1360 struct bfa_fcxp_s *fcxp_alloced);
1361 static void bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
1362 struct bfa_fcxp_s *fcxp,
1363 void *cbarg,
1364 bfa_status_t req_status,
1365 u32 rsp_len,
1366 u32 resid_len,
1367 struct fchs_s *rsp_fchs);
1368 static void bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1369 struct bfa_fcxp_s *fcxp,
1370 void *cbarg,
1371 bfa_status_t req_status,
1372 u32 rsp_len,
1373 u32 resid_len,
1374 struct fchs_s *rsp_fchs);
1375 static void bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1376 struct bfa_fcxp_s *fcxp,
1377 void *cbarg,
1378 bfa_status_t req_status,
1379 u32 rsp_len,
1380 u32 resid_len,
1381 struct fchs_s *rsp_fchs);
1382 static void bfa_fcs_lport_fdmi_timeout(void *arg);
1383 static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1384 u8 *pyld);
1385 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1386 u8 *pyld);
1387 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1388 u8 *pyld);
1389 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
1390 fdmi, u8 *pyld);
1391 static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1392 struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
1393 static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1394 struct bfa_fcs_fdmi_port_attr_s *port_attr);
1395 u32 bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
1396
1397 /*
1398 * fcs_fdmi_sm FCS FDMI state machine
1399 */
1400
1401 /*
1402 * FDMI State Machine events
1403 */
1404 enum port_fdmi_event {
1405 FDMISM_EVENT_PORT_ONLINE = 1,
1406 FDMISM_EVENT_PORT_OFFLINE = 2,
1407 FDMISM_EVENT_RSP_OK = 4,
1408 FDMISM_EVENT_RSP_ERROR = 5,
1409 FDMISM_EVENT_TIMEOUT = 6,
1410 FDMISM_EVENT_RHBA_SENT = 7,
1411 FDMISM_EVENT_RPRT_SENT = 8,
1412 FDMISM_EVENT_RPA_SENT = 9,
1413 };
1414
1415 static void bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1416 enum port_fdmi_event event);
1417 static void bfa_fcs_lport_fdmi_sm_sending_rhba(
1418 struct bfa_fcs_lport_fdmi_s *fdmi,
1419 enum port_fdmi_event event);
1420 static void bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1421 enum port_fdmi_event event);
1422 static void bfa_fcs_lport_fdmi_sm_rhba_retry(
1423 struct bfa_fcs_lport_fdmi_s *fdmi,
1424 enum port_fdmi_event event);
1425 static void bfa_fcs_lport_fdmi_sm_sending_rprt(
1426 struct bfa_fcs_lport_fdmi_s *fdmi,
1427 enum port_fdmi_event event);
1428 static void bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1429 enum port_fdmi_event event);
1430 static void bfa_fcs_lport_fdmi_sm_rprt_retry(
1431 struct bfa_fcs_lport_fdmi_s *fdmi,
1432 enum port_fdmi_event event);
1433 static void bfa_fcs_lport_fdmi_sm_sending_rpa(
1434 struct bfa_fcs_lport_fdmi_s *fdmi,
1435 enum port_fdmi_event event);
1436 static void bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1437 enum port_fdmi_event event);
1438 static void bfa_fcs_lport_fdmi_sm_rpa_retry(
1439 struct bfa_fcs_lport_fdmi_s *fdmi,
1440 enum port_fdmi_event event);
1441 static void bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1442 enum port_fdmi_event event);
1443 static void bfa_fcs_lport_fdmi_sm_disabled(
1444 struct bfa_fcs_lport_fdmi_s *fdmi,
1445 enum port_fdmi_event event);
1446 /*
1447 * Start in offline state - awaiting MS to send start.
1448 */
1449 static void
1450 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1451 enum port_fdmi_event event)
1452 {
1453 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1454
1455 bfa_trc(port->fcs, port->port_cfg.pwwn);
1456 bfa_trc(port->fcs, event);
1457
1458 fdmi->retry_cnt = 0;
1459
1460 switch (event) {
1461 case FDMISM_EVENT_PORT_ONLINE:
1462 if (port->vport) {
1463 /*
1464 * For Vports, register a new port.
1465 */
1466 bfa_sm_set_state(fdmi,
1467 bfa_fcs_lport_fdmi_sm_sending_rprt);
1468 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1469 } else {
1470 /*
1471 * For a base port, we should first register the HBA
1472 * attribute. The HBA attribute also contains the base
1473 * port registration.
1474 */
1475 bfa_sm_set_state(fdmi,
1476 bfa_fcs_lport_fdmi_sm_sending_rhba);
1477 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1478 }
1479 break;
1480
1481 case FDMISM_EVENT_PORT_OFFLINE:
1482 break;
1483
1484 default:
1485 bfa_sm_fault(port->fcs, event);
1486 }
1487 }
1488
1489 static void
1490 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1491 enum port_fdmi_event event)
1492 {
1493 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1494
1495 bfa_trc(port->fcs, port->port_cfg.pwwn);
1496 bfa_trc(port->fcs, event);
1497
1498 switch (event) {
1499 case FDMISM_EVENT_RHBA_SENT:
1500 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
1501 break;
1502
1503 case FDMISM_EVENT_PORT_OFFLINE:
1504 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1505 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1506 &fdmi->fcxp_wqe);
1507 break;
1508
1509 default:
1510 bfa_sm_fault(port->fcs, event);
1511 }
1512 }
1513
1514 static void
1515 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1516 enum port_fdmi_event event)
1517 {
1518 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1519
1520 bfa_trc(port->fcs, port->port_cfg.pwwn);
1521 bfa_trc(port->fcs, event);
1522
1523 switch (event) {
1524 case FDMISM_EVENT_RSP_ERROR:
1525 /*
1526 * if max retries have not been reached, start timer for a
1527 * delayed retry
1528 */
1529 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1530 bfa_sm_set_state(fdmi,
1531 bfa_fcs_lport_fdmi_sm_rhba_retry);
1532 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1533 &fdmi->timer,
1534 bfa_fcs_lport_fdmi_timeout, fdmi,
1535 BFA_FCS_RETRY_TIMEOUT);
1536 } else {
1537 /*
1538 * set state to offline
1539 */
1540 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1541 }
1542 break;
1543
1544 case FDMISM_EVENT_RSP_OK:
1545 /*
1546 * Initiate Register Port Attributes
1547 */
1548 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1549 fdmi->retry_cnt = 0;
1550 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1551 break;
1552
1553 case FDMISM_EVENT_PORT_OFFLINE:
1554 bfa_fcxp_discard(fdmi->fcxp);
1555 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1556 break;
1557
1558 default:
1559 bfa_sm_fault(port->fcs, event);
1560 }
1561 }
1562
1563 static void
1564 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1565 enum port_fdmi_event event)
1566 {
1567 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1568
1569 bfa_trc(port->fcs, port->port_cfg.pwwn);
1570 bfa_trc(port->fcs, event);
1571
1572 switch (event) {
1573 case FDMISM_EVENT_TIMEOUT:
1574 /*
1575 * Retry Timer Expired. Re-send
1576 */
1577 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1578 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1579 break;
1580
1581 case FDMISM_EVENT_PORT_OFFLINE:
1582 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1583 bfa_timer_stop(&fdmi->timer);
1584 break;
1585
1586 default:
1587 bfa_sm_fault(port->fcs, event);
1588 }
1589 }
1590
1591 /*
1592 * RPRT : Register Port
1593 */
1594 static void
1595 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1596 enum port_fdmi_event event)
1597 {
1598 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1599
1600 bfa_trc(port->fcs, port->port_cfg.pwwn);
1601 bfa_trc(port->fcs, event);
1602
1603 switch (event) {
1604 case FDMISM_EVENT_RPRT_SENT:
1605 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
1606 break;
1607
1608 case FDMISM_EVENT_PORT_OFFLINE:
1609 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1610 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1611 &fdmi->fcxp_wqe);
1612 break;
1613
1614 default:
1615 bfa_sm_fault(port->fcs, event);
1616 }
1617 }
1618
1619 static void
1620 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1621 enum port_fdmi_event event)
1622 {
1623 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1624
1625 bfa_trc(port->fcs, port->port_cfg.pwwn);
1626 bfa_trc(port->fcs, event);
1627
1628 switch (event) {
1629 case FDMISM_EVENT_RSP_ERROR:
1630 /*
1631 * if max retries have not been reached, start timer for a
1632 * delayed retry
1633 */
1634 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1635 bfa_sm_set_state(fdmi,
1636 bfa_fcs_lport_fdmi_sm_rprt_retry);
1637 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1638 &fdmi->timer,
1639 bfa_fcs_lport_fdmi_timeout, fdmi,
1640 BFA_FCS_RETRY_TIMEOUT);
1641
1642 } else {
1643 /*
1644 * set state to offline
1645 */
1646 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1647 fdmi->retry_cnt = 0;
1648 }
1649 break;
1650
1651 case FDMISM_EVENT_RSP_OK:
1652 fdmi->retry_cnt = 0;
1653 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1654 break;
1655
1656 case FDMISM_EVENT_PORT_OFFLINE:
1657 bfa_fcxp_discard(fdmi->fcxp);
1658 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1659 break;
1660
1661 default:
1662 bfa_sm_fault(port->fcs, event);
1663 }
1664 }
1665
1666 static void
1667 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1668 enum port_fdmi_event event)
1669 {
1670 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1671
1672 bfa_trc(port->fcs, port->port_cfg.pwwn);
1673 bfa_trc(port->fcs, event);
1674
1675 switch (event) {
1676 case FDMISM_EVENT_TIMEOUT:
1677 /*
1678 * Retry Timer Expired. Re-send
1679 */
1680 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1681 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1682 break;
1683
1684 case FDMISM_EVENT_PORT_OFFLINE:
1685 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1686 bfa_timer_stop(&fdmi->timer);
1687 break;
1688
1689 default:
1690 bfa_sm_fault(port->fcs, event);
1691 }
1692 }
1693
1694 /*
1695 * Register Port Attributes
1696 */
1697 static void
1698 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1699 enum port_fdmi_event event)
1700 {
1701 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1702
1703 bfa_trc(port->fcs, port->port_cfg.pwwn);
1704 bfa_trc(port->fcs, event);
1705
1706 switch (event) {
1707 case FDMISM_EVENT_RPA_SENT:
1708 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
1709 break;
1710
1711 case FDMISM_EVENT_PORT_OFFLINE:
1712 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1713 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1714 &fdmi->fcxp_wqe);
1715 break;
1716
1717 default:
1718 bfa_sm_fault(port->fcs, event);
1719 }
1720 }
1721
1722 static void
1723 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1724 enum port_fdmi_event event)
1725 {
1726 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1727
1728 bfa_trc(port->fcs, port->port_cfg.pwwn);
1729 bfa_trc(port->fcs, event);
1730
1731 switch (event) {
1732 case FDMISM_EVENT_RSP_ERROR:
1733 /*
1734 * if max retries have not been reached, start timer for a
1735 * delayed retry
1736 */
1737 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1738 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
1739 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1740 &fdmi->timer,
1741 bfa_fcs_lport_fdmi_timeout, fdmi,
1742 BFA_FCS_RETRY_TIMEOUT);
1743 } else {
1744 /*
1745 * set state to offline
1746 */
1747 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1748 fdmi->retry_cnt = 0;
1749 }
1750 break;
1751
1752 case FDMISM_EVENT_RSP_OK:
1753 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1754 fdmi->retry_cnt = 0;
1755 break;
1756
1757 case FDMISM_EVENT_PORT_OFFLINE:
1758 bfa_fcxp_discard(fdmi->fcxp);
1759 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1760 break;
1761
1762 default:
1763 bfa_sm_fault(port->fcs, event);
1764 }
1765 }
1766
1767 static void
1768 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1769 enum port_fdmi_event event)
1770 {
1771 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1772
1773 bfa_trc(port->fcs, port->port_cfg.pwwn);
1774 bfa_trc(port->fcs, event);
1775
1776 switch (event) {
1777 case FDMISM_EVENT_TIMEOUT:
1778 /*
1779 * Retry Timer Expired. Re-send
1780 */
1781 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1782 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1783 break;
1784
1785 case FDMISM_EVENT_PORT_OFFLINE:
1786 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1787 bfa_timer_stop(&fdmi->timer);
1788 break;
1789
1790 default:
1791 bfa_sm_fault(port->fcs, event);
1792 }
1793 }
1794
1795 static void
1796 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1797 enum port_fdmi_event event)
1798 {
1799 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1800
1801 bfa_trc(port->fcs, port->port_cfg.pwwn);
1802 bfa_trc(port->fcs, event);
1803
1804 switch (event) {
1805 case FDMISM_EVENT_PORT_OFFLINE:
1806 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1807 break;
1808
1809 default:
1810 bfa_sm_fault(port->fcs, event);
1811 }
1812 }
1813 /*
1814 * FDMI is disabled state.
1815 */
1816 static void
1817 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1818 enum port_fdmi_event event)
1819 {
1820 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1821
1822 bfa_trc(port->fcs, port->port_cfg.pwwn);
1823 bfa_trc(port->fcs, event);
1824
1825 /* No op State. It can only be enabled at Driver Init. */
1826 }
1827
1828 /*
1829 * RHBA : Register HBA Attributes.
1830 */
1831 static void
1832 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1833 {
1834 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1835 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1836 struct fchs_s fchs;
1837 int len, attr_len;
1838 struct bfa_fcxp_s *fcxp;
1839 u8 *pyld;
1840
1841 bfa_trc(port->fcs, port->port_cfg.pwwn);
1842
1843 fcxp = fcxp_alloced ? fcxp_alloced :
1844 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1845 if (!fcxp) {
1846 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1847 bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
1848 return;
1849 }
1850 fdmi->fcxp = fcxp;
1851
1852 pyld = bfa_fcxp_get_reqbuf(fcxp);
1853 memset(pyld, 0, FC_MAX_PDUSZ);
1854
1855 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1856 FDMI_RHBA);
1857
1858 attr_len =
1859 bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1860 (u8 *) ((struct ct_hdr_s *) pyld
1861 + 1));
1862
1863 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1864 FC_CLASS_3, (len + attr_len), &fchs,
1865 bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
1866 FC_MAX_PDUSZ, FC_FCCT_TOV);
1867
1868 bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1869 }
1870
1871 static u16
1872 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1873 {
1874 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1875 struct bfa_fcs_fdmi_hba_attr_s hba_attr;
1876 struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
1877 struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
1878 struct fdmi_attr_s *attr;
1879 u8 *curr_ptr;
1880 u16 len, count;
1881 u16 templen;
1882
1883 /*
1884 * get hba attributes
1885 */
1886 bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
1887
1888 rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
1889 rhba->port_list.num_ports = cpu_to_be32(1);
1890 rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
1891
1892 len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1893
1894 count = 0;
1895 len += sizeof(rhba->hba_attr_blk.attr_count);
1896
1897 /*
1898 * fill out the invididual entries of the HBA attrib Block
1899 */
1900 curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
1901
1902 /*
1903 * Node Name
1904 */
1905 attr = (struct fdmi_attr_s *) curr_ptr;
1906 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
1907 templen = sizeof(wwn_t);
1908 memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
1909 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1910 len += templen;
1911 count++;
1912 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1913 sizeof(templen));
1914
1915 /*
1916 * Manufacturer
1917 */
1918 attr = (struct fdmi_attr_s *) curr_ptr;
1919 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
1920 templen = (u16) strlen(fcs_hba_attr->manufacturer);
1921 memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
1922 templen = fc_roundup(templen, sizeof(u32));
1923 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1924 len += templen;
1925 count++;
1926 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1927 sizeof(templen));
1928
1929 /*
1930 * Serial Number
1931 */
1932 attr = (struct fdmi_attr_s *) curr_ptr;
1933 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
1934 templen = (u16) strlen(fcs_hba_attr->serial_num);
1935 memcpy(attr->value, fcs_hba_attr->serial_num, templen);
1936 templen = fc_roundup(templen, sizeof(u32));
1937 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1938 len += templen;
1939 count++;
1940 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1941 sizeof(templen));
1942
1943 /*
1944 * Model
1945 */
1946 attr = (struct fdmi_attr_s *) curr_ptr;
1947 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
1948 templen = (u16) strlen(fcs_hba_attr->model);
1949 memcpy(attr->value, fcs_hba_attr->model, templen);
1950 templen = fc_roundup(templen, sizeof(u32));
1951 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1952 len += templen;
1953 count++;
1954 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1955 sizeof(templen));
1956
1957 /*
1958 * Model Desc
1959 */
1960 attr = (struct fdmi_attr_s *) curr_ptr;
1961 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
1962 templen = (u16) strlen(fcs_hba_attr->model_desc);
1963 memcpy(attr->value, fcs_hba_attr->model_desc, templen);
1964 templen = fc_roundup(templen, sizeof(u32));
1965 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1966 len += templen;
1967 count++;
1968 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1969 sizeof(templen));
1970
1971 /*
1972 * H/W Version
1973 */
1974 if (fcs_hba_attr->hw_version[0] != '\0') {
1975 attr = (struct fdmi_attr_s *) curr_ptr;
1976 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
1977 templen = (u16) strlen(fcs_hba_attr->hw_version);
1978 memcpy(attr->value, fcs_hba_attr->hw_version, templen);
1979 templen = fc_roundup(templen, sizeof(u32));
1980 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1981 len += templen;
1982 count++;
1983 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1984 sizeof(templen));
1985 }
1986
1987 /*
1988 * Driver Version
1989 */
1990 attr = (struct fdmi_attr_s *) curr_ptr;
1991 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
1992 templen = (u16) strlen(fcs_hba_attr->driver_version);
1993 memcpy(attr->value, fcs_hba_attr->driver_version, templen);
1994 templen = fc_roundup(templen, sizeof(u32));
1995 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1996 len += templen;
1997 count++;
1998 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1999 sizeof(templen));
2000
2001 /*
2002 * Option Rom Version
2003 */
2004 if (fcs_hba_attr->option_rom_ver[0] != '\0') {
2005 attr = (struct fdmi_attr_s *) curr_ptr;
2006 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
2007 templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
2008 memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
2009 templen = fc_roundup(templen, sizeof(u32));
2010 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2011 len += templen;
2012 count++;
2013 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2014 sizeof(templen));
2015 }
2016
2017 attr = (struct fdmi_attr_s *) curr_ptr;
2018 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
2019 templen = (u16) strlen(fcs_hba_attr->fw_version);
2020 memcpy(attr->value, fcs_hba_attr->fw_version, templen);
2021 templen = fc_roundup(templen, sizeof(u32));
2022 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2023 len += templen;
2024 count++;
2025 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2026 sizeof(templen));
2027
2028 /*
2029 * OS Name
2030 */
2031 if (fcs_hba_attr->os_name[0] != '\0') {
2032 attr = (struct fdmi_attr_s *) curr_ptr;
2033 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
2034 templen = (u16) strlen(fcs_hba_attr->os_name);
2035 memcpy(attr->value, fcs_hba_attr->os_name, templen);
2036 templen = fc_roundup(templen, sizeof(u32));
2037 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2038 len += templen;
2039 count++;
2040 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2041 sizeof(templen));
2042 }
2043
2044 /*
2045 * MAX_CT_PAYLOAD
2046 */
2047 attr = (struct fdmi_attr_s *) curr_ptr;
2048 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
2049 templen = sizeof(fcs_hba_attr->max_ct_pyld);
2050 memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
2051 len += templen;
2052 count++;
2053 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2054 sizeof(templen));
2055
2056 /*
2057 * Update size of payload
2058 */
2059 len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2060
2061 rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
2062 return len;
2063 }
2064
2065 static void
2066 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2067 void *cbarg, bfa_status_t req_status,
2068 u32 rsp_len, u32 resid_len,
2069 struct fchs_s *rsp_fchs)
2070 {
2071 struct bfa_fcs_lport_fdmi_s *fdmi =
2072 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2073 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2074 struct ct_hdr_s *cthdr = NULL;
2075
2076 bfa_trc(port->fcs, port->port_cfg.pwwn);
2077
2078 /*
2079 * Sanity Checks
2080 */
2081 if (req_status != BFA_STATUS_OK) {
2082 bfa_trc(port->fcs, req_status);
2083 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2084 return;
2085 }
2086
2087 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2088 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2089
2090 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2091 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2092 return;
2093 }
2094
2095 bfa_trc(port->fcs, cthdr->reason_code);
2096 bfa_trc(port->fcs, cthdr->exp_code);
2097 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2098 }
2099
2100 /*
2101 * RPRT : Register Port
2102 */
2103 static void
2104 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2105 {
2106 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2107 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2108 struct fchs_s fchs;
2109 u16 len, attr_len;
2110 struct bfa_fcxp_s *fcxp;
2111 u8 *pyld;
2112
2113 bfa_trc(port->fcs, port->port_cfg.pwwn);
2114
2115 fcxp = fcxp_alloced ? fcxp_alloced :
2116 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2117 if (!fcxp) {
2118 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2119 bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
2120 return;
2121 }
2122 fdmi->fcxp = fcxp;
2123
2124 pyld = bfa_fcxp_get_reqbuf(fcxp);
2125 memset(pyld, 0, FC_MAX_PDUSZ);
2126
2127 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2128 FDMI_RPRT);
2129
2130 attr_len =
2131 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
2132 (u8 *) ((struct ct_hdr_s *) pyld
2133 + 1));
2134
2135 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2136 FC_CLASS_3, len + attr_len, &fchs,
2137 bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
2138 FC_MAX_PDUSZ, FC_FCCT_TOV);
2139
2140 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
2141 }
2142
2143 /*
2144 * This routine builds Port Attribute Block that used in RPA, RPRT commands.
2145 */
2146 static u16
2147 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
2148 u8 *pyld)
2149 {
2150 struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2151 struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
2152 struct fdmi_attr_s *attr;
2153 u8 *curr_ptr;
2154 u16 len;
2155 u8 count = 0;
2156 u16 templen;
2157
2158 /*
2159 * get port attributes
2160 */
2161 bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2162
2163 len = sizeof(port_attrib->attr_count);
2164
2165 /*
2166 * fill out the invididual entries
2167 */
2168 curr_ptr = (u8 *) &port_attrib->port_attr;
2169
2170 /*
2171 * FC4 Types
2172 */
2173 attr = (struct fdmi_attr_s *) curr_ptr;
2174 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
2175 templen = sizeof(fcs_port_attr.supp_fc4_types);
2176 memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
2177 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2178 len += templen;
2179 ++count;
2180 attr->len =
2181 cpu_to_be16(templen + sizeof(attr->type) +
2182 sizeof(templen));
2183
2184 /*
2185 * Supported Speed
2186 */
2187 attr = (struct fdmi_attr_s *) curr_ptr;
2188 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
2189 templen = sizeof(fcs_port_attr.supp_speed);
2190 memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
2191 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2192 len += templen;
2193 ++count;
2194 attr->len =
2195 cpu_to_be16(templen + sizeof(attr->type) +
2196 sizeof(templen));
2197
2198 /*
2199 * current Port Speed
2200 */
2201 attr = (struct fdmi_attr_s *) curr_ptr;
2202 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
2203 templen = sizeof(fcs_port_attr.curr_speed);
2204 memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
2205 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2206 len += templen;
2207 ++count;
2208 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2209 sizeof(templen));
2210
2211 /*
2212 * max frame size
2213 */
2214 attr = (struct fdmi_attr_s *) curr_ptr;
2215 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
2216 templen = sizeof(fcs_port_attr.max_frm_size);
2217 memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
2218 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2219 len += templen;
2220 ++count;
2221 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2222 sizeof(templen));
2223
2224 /*
2225 * OS Device Name
2226 */
2227 if (fcs_port_attr.os_device_name[0] != '\0') {
2228 attr = (struct fdmi_attr_s *) curr_ptr;
2229 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
2230 templen = (u16) strlen(fcs_port_attr.os_device_name);
2231 memcpy(attr->value, fcs_port_attr.os_device_name, templen);
2232 templen = fc_roundup(templen, sizeof(u32));
2233 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2234 len += templen;
2235 ++count;
2236 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2237 sizeof(templen));
2238 }
2239 /*
2240 * Host Name
2241 */
2242 if (fcs_port_attr.host_name[0] != '\0') {
2243 attr = (struct fdmi_attr_s *) curr_ptr;
2244 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
2245 templen = (u16) strlen(fcs_port_attr.host_name);
2246 memcpy(attr->value, fcs_port_attr.host_name, templen);
2247 templen = fc_roundup(templen, sizeof(u32));
2248 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2249 len += templen;
2250 ++count;
2251 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2252 sizeof(templen));
2253 }
2254
2255 /*
2256 * Update size of payload
2257 */
2258 port_attrib->attr_count = cpu_to_be32(count);
2259 len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2260 return len;
2261 }
2262
2263 static u16
2264 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2265 {
2266 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2267 struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2268 u16 len;
2269
2270 rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2271 rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2272
2273 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2274 (u8 *) &rprt->port_attr_blk);
2275
2276 len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2277
2278 return len;
2279 }
2280
2281 static void
2282 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2283 void *cbarg, bfa_status_t req_status,
2284 u32 rsp_len, u32 resid_len,
2285 struct fchs_s *rsp_fchs)
2286 {
2287 struct bfa_fcs_lport_fdmi_s *fdmi =
2288 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2289 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2290 struct ct_hdr_s *cthdr = NULL;
2291
2292 bfa_trc(port->fcs, port->port_cfg.pwwn);
2293
2294 /*
2295 * Sanity Checks
2296 */
2297 if (req_status != BFA_STATUS_OK) {
2298 bfa_trc(port->fcs, req_status);
2299 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2300 return;
2301 }
2302
2303 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2304 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2305
2306 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2307 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2308 return;
2309 }
2310
2311 bfa_trc(port->fcs, cthdr->reason_code);
2312 bfa_trc(port->fcs, cthdr->exp_code);
2313 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2314 }
2315
2316 /*
2317 * RPA : Register Port Attributes.
2318 */
2319 static void
2320 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2321 {
2322 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2323 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2324 struct fchs_s fchs;
2325 u16 len, attr_len;
2326 struct bfa_fcxp_s *fcxp;
2327 u8 *pyld;
2328
2329 bfa_trc(port->fcs, port->port_cfg.pwwn);
2330
2331 fcxp = fcxp_alloced ? fcxp_alloced :
2332 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2333 if (!fcxp) {
2334 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2335 bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
2336 return;
2337 }
2338 fdmi->fcxp = fcxp;
2339
2340 pyld = bfa_fcxp_get_reqbuf(fcxp);
2341 memset(pyld, 0, FC_MAX_PDUSZ);
2342
2343 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2344 FDMI_RPA);
2345
2346 attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2347 (u8 *) ((struct ct_hdr_s *) pyld + 1));
2348
2349 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2350 FC_CLASS_3, len + attr_len, &fchs,
2351 bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2352 FC_MAX_PDUSZ, FC_FCCT_TOV);
2353
2354 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2355 }
2356
2357 static u16
2358 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2359 {
2360 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2361 struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2362 u16 len;
2363
2364 rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2365
2366 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2367 (u8 *) &rpa->port_attr_blk);
2368
2369 len += sizeof(rpa->port_name);
2370
2371 return len;
2372 }
2373
2374 static void
2375 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2376 void *cbarg, bfa_status_t req_status, u32 rsp_len,
2377 u32 resid_len, struct fchs_s *rsp_fchs)
2378 {
2379 struct bfa_fcs_lport_fdmi_s *fdmi =
2380 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2381 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2382 struct ct_hdr_s *cthdr = NULL;
2383
2384 bfa_trc(port->fcs, port->port_cfg.pwwn);
2385
2386 /*
2387 * Sanity Checks
2388 */
2389 if (req_status != BFA_STATUS_OK) {
2390 bfa_trc(port->fcs, req_status);
2391 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2392 return;
2393 }
2394
2395 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2396 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2397
2398 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2399 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2400 return;
2401 }
2402
2403 bfa_trc(port->fcs, cthdr->reason_code);
2404 bfa_trc(port->fcs, cthdr->exp_code);
2405 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2406 }
2407
2408 static void
2409 bfa_fcs_lport_fdmi_timeout(void *arg)
2410 {
2411 struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2412
2413 bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2414 }
2415
2416 static void
2417 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2418 struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2419 {
2420 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2421 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2422 struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2423
2424 memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2425
2426 bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2427 hba_attr->manufacturer);
2428 bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2429 hba_attr->serial_num);
2430 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2431 hba_attr->model);
2432 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2433 hba_attr->model_desc);
2434 bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2435 hba_attr->hw_version);
2436 bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2437 hba_attr->option_rom_ver);
2438 bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2439 hba_attr->fw_version);
2440
2441 strncpy(hba_attr->driver_version, (char *)driver_info->version,
2442 sizeof(hba_attr->driver_version));
2443
2444 strncpy(hba_attr->os_name, driver_info->host_os_name,
2445 sizeof(hba_attr->os_name));
2446
2447 /*
2448 * If there is a patch level, append it
2449 * to the os name along with a separator
2450 */
2451 if (driver_info->host_os_patch[0] != '\0') {
2452 strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2453 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
2454 strncat(hba_attr->os_name, driver_info->host_os_patch,
2455 sizeof(driver_info->host_os_patch));
2456 }
2457
2458 /* Retrieve the max frame size from the port attr */
2459 bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2460 hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
2461 }
2462
2463 static void
2464 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2465 struct bfa_fcs_fdmi_port_attr_s *port_attr)
2466 {
2467 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2468 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2469 struct bfa_port_attr_s pport_attr;
2470
2471 memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2472
2473 /*
2474 * get pport attributes from hal
2475 */
2476 bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2477
2478 /*
2479 * get FC4 type Bitmask
2480 */
2481 fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2482
2483 /*
2484 * Supported Speeds
2485 */
2486 switch (pport_attr.speed_supported) {
2487 case BFA_PORT_SPEED_16GBPS:
2488 port_attr->supp_speed =
2489 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
2490 break;
2491
2492 case BFA_PORT_SPEED_10GBPS:
2493 port_attr->supp_speed =
2494 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
2495 break;
2496
2497 case BFA_PORT_SPEED_8GBPS:
2498 port_attr->supp_speed =
2499 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
2500 break;
2501
2502 case BFA_PORT_SPEED_4GBPS:
2503 port_attr->supp_speed =
2504 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
2505 break;
2506
2507 default:
2508 bfa_sm_fault(port->fcs, pport_attr.speed_supported);
2509 }
2510
2511 /*
2512 * Current Speed
2513 */
2514 port_attr->curr_speed = cpu_to_be32(
2515 bfa_fcs_fdmi_convert_speed(pport_attr.speed));
2516
2517 /*
2518 * Max PDU Size.
2519 */
2520 port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
2521
2522 /*
2523 * OS device Name
2524 */
2525 strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
2526 sizeof(port_attr->os_device_name));
2527
2528 /*
2529 * Host name
2530 */
2531 strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
2532 sizeof(port_attr->host_name));
2533
2534 }
2535
2536 /*
2537 * Convert BFA speed to FDMI format.
2538 */
2539 u32
2540 bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
2541 {
2542 u32 ret;
2543
2544 switch (pport_speed) {
2545 case BFA_PORT_SPEED_1GBPS:
2546 case BFA_PORT_SPEED_2GBPS:
2547 ret = pport_speed;
2548 break;
2549
2550 case BFA_PORT_SPEED_4GBPS:
2551 ret = FDMI_TRANS_SPEED_4G;
2552 break;
2553
2554 case BFA_PORT_SPEED_8GBPS:
2555 ret = FDMI_TRANS_SPEED_8G;
2556 break;
2557
2558 case BFA_PORT_SPEED_10GBPS:
2559 ret = FDMI_TRANS_SPEED_10G;
2560 break;
2561
2562 case BFA_PORT_SPEED_16GBPS:
2563 ret = FDMI_TRANS_SPEED_16G;
2564 break;
2565
2566 default:
2567 ret = FDMI_TRANS_SPEED_UNKNOWN;
2568 }
2569 return ret;
2570 }
2571
2572 void
2573 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2574 {
2575 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2576
2577 fdmi->ms = ms;
2578 if (ms->port->fcs->fdmi_enabled)
2579 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2580 else
2581 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2582 }
2583
2584 void
2585 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2586 {
2587 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2588
2589 fdmi->ms = ms;
2590 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2591 }
2592
2593 void
2594 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2595 {
2596 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2597
2598 fdmi->ms = ms;
2599 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2600 }
2601
2602 #define BFA_FCS_MS_CMD_MAX_RETRIES 2
2603
2604 /*
2605 * forward declarations
2606 */
2607 static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2608 struct bfa_fcxp_s *fcxp_alloced);
2609 static void bfa_fcs_lport_ms_timeout(void *arg);
2610 static void bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2611 struct bfa_fcxp_s *fcxp,
2612 void *cbarg,
2613 bfa_status_t req_status,
2614 u32 rsp_len,
2615 u32 resid_len,
2616 struct fchs_s *rsp_fchs);
2617
2618 static void bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2619 struct bfa_fcxp_s *fcxp_alloced);
2620 static void bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2621 struct bfa_fcxp_s *fcxp,
2622 void *cbarg,
2623 bfa_status_t req_status,
2624 u32 rsp_len,
2625 u32 resid_len,
2626 struct fchs_s *rsp_fchs);
2627 static void bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2628 struct bfa_fcxp_s *fcxp_alloced);
2629 static void bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2630 struct bfa_fcxp_s *fcxp,
2631 void *cbarg,
2632 bfa_status_t req_status,
2633 u32 rsp_len,
2634 u32 resid_len,
2635 struct fchs_s *rsp_fchs);
2636 /*
2637 * fcs_ms_sm FCS MS state machine
2638 */
2639
2640 /*
2641 * MS State Machine events
2642 */
2643 enum port_ms_event {
2644 MSSM_EVENT_PORT_ONLINE = 1,
2645 MSSM_EVENT_PORT_OFFLINE = 2,
2646 MSSM_EVENT_RSP_OK = 3,
2647 MSSM_EVENT_RSP_ERROR = 4,
2648 MSSM_EVENT_TIMEOUT = 5,
2649 MSSM_EVENT_FCXP_SENT = 6,
2650 MSSM_EVENT_PORT_FABRIC_RSCN = 7
2651 };
2652
2653 static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2654 enum port_ms_event event);
2655 static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2656 enum port_ms_event event);
2657 static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2658 enum port_ms_event event);
2659 static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2660 enum port_ms_event event);
2661 static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2662 enum port_ms_event event);
2663 static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2664 enum port_ms_event event);
2665 static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2666 enum port_ms_event event);
2667 static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2668 enum port_ms_event event);
2669 static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2670 enum port_ms_event event);
2671 static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2672 enum port_ms_event event);
2673 static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2674 enum port_ms_event event);
2675 /*
2676 * Start in offline state - awaiting NS to send start.
2677 */
2678 static void
2679 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2680 enum port_ms_event event)
2681 {
2682 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2683 bfa_trc(ms->port->fcs, event);
2684
2685 switch (event) {
2686 case MSSM_EVENT_PORT_ONLINE:
2687 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2688 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2689 break;
2690
2691 case MSSM_EVENT_PORT_OFFLINE:
2692 break;
2693
2694 default:
2695 bfa_sm_fault(ms->port->fcs, event);
2696 }
2697 }
2698
2699 static void
2700 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2701 enum port_ms_event event)
2702 {
2703 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2704 bfa_trc(ms->port->fcs, event);
2705
2706 switch (event) {
2707 case MSSM_EVENT_FCXP_SENT:
2708 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2709 break;
2710
2711 case MSSM_EVENT_PORT_OFFLINE:
2712 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2713 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2714 &ms->fcxp_wqe);
2715 break;
2716
2717 default:
2718 bfa_sm_fault(ms->port->fcs, event);
2719 }
2720 }
2721
2722 static void
2723 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2724 enum port_ms_event event)
2725 {
2726 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2727 bfa_trc(ms->port->fcs, event);
2728
2729 switch (event) {
2730 case MSSM_EVENT_RSP_ERROR:
2731 /*
2732 * Start timer for a delayed retry
2733 */
2734 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2735 ms->port->stats.ms_retries++;
2736 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2737 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2738 BFA_FCS_RETRY_TIMEOUT);
2739 break;
2740
2741 case MSSM_EVENT_RSP_OK:
2742 /*
2743 * since plogi is done, now invoke MS related sub-modules
2744 */
2745 bfa_fcs_lport_fdmi_online(ms);
2746
2747 /*
2748 * if this is a Vport, go to online state.
2749 */
2750 if (ms->port->vport) {
2751 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2752 break;
2753 }
2754
2755 /*
2756 * For a base port we need to get the
2757 * switch's IP address.
2758 */
2759 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2760 bfa_fcs_lport_ms_send_gmal(ms, NULL);
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_plogi_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_plogi_sending);
2786 bfa_fcs_lport_ms_send_plogi(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 static void
2800 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2801 enum port_ms_event event)
2802 {
2803 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2804 bfa_trc(ms->port->fcs, event);
2805
2806 switch (event) {
2807 case MSSM_EVENT_PORT_OFFLINE:
2808 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2809 break;
2810
2811 case MSSM_EVENT_PORT_FABRIC_RSCN:
2812 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2813 ms->retry_cnt = 0;
2814 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2815 break;
2816
2817 default:
2818 bfa_sm_fault(ms->port->fcs, event);
2819 }
2820 }
2821
2822 static void
2823 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2824 enum port_ms_event event)
2825 {
2826 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2827 bfa_trc(ms->port->fcs, event);
2828
2829 switch (event) {
2830 case MSSM_EVENT_FCXP_SENT:
2831 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
2832 break;
2833
2834 case MSSM_EVENT_PORT_OFFLINE:
2835 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2836 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2837 &ms->fcxp_wqe);
2838 break;
2839
2840 default:
2841 bfa_sm_fault(ms->port->fcs, event);
2842 }
2843 }
2844
2845 static void
2846 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2847 enum port_ms_event event)
2848 {
2849 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2850 bfa_trc(ms->port->fcs, event);
2851
2852 switch (event) {
2853 case MSSM_EVENT_RSP_ERROR:
2854 /*
2855 * Start timer for a delayed retry
2856 */
2857 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
2858 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
2859 ms->port->stats.ms_retries++;
2860 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2861 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2862 BFA_FCS_RETRY_TIMEOUT);
2863 } else {
2864 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2865 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2866 ms->retry_cnt = 0;
2867 }
2868 break;
2869
2870 case MSSM_EVENT_RSP_OK:
2871 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2872 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2873 break;
2874
2875 case MSSM_EVENT_PORT_OFFLINE:
2876 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2877 bfa_fcxp_discard(ms->fcxp);
2878 break;
2879
2880 default:
2881 bfa_sm_fault(ms->port->fcs, event);
2882 }
2883 }
2884
2885 static void
2886 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2887 enum port_ms_event event)
2888 {
2889 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2890 bfa_trc(ms->port->fcs, event);
2891
2892 switch (event) {
2893 case MSSM_EVENT_TIMEOUT:
2894 /*
2895 * Retry Timer Expired. Re-send
2896 */
2897 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2898 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2899 break;
2900
2901 case MSSM_EVENT_PORT_OFFLINE:
2902 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2903 bfa_timer_stop(&ms->timer);
2904 break;
2905
2906 default:
2907 bfa_sm_fault(ms->port->fcs, event);
2908 }
2909 }
2910 /*
2911 * ms_pvt MS local functions
2912 */
2913
2914 static void
2915 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2916 {
2917 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2918 bfa_fcs_lport_t *port = ms->port;
2919 struct fchs_s fchs;
2920 int len;
2921 struct bfa_fcxp_s *fcxp;
2922
2923 bfa_trc(port->fcs, port->pid);
2924
2925 fcxp = fcxp_alloced ? fcxp_alloced :
2926 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2927 if (!fcxp) {
2928 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2929 bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
2930 return;
2931 }
2932 ms->fcxp = fcxp;
2933
2934 len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2935 bfa_fcs_lport_get_fcid(port),
2936 port->fabric->lps->pr_nwwn);
2937
2938 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2939 FC_CLASS_3, len, &fchs,
2940 bfa_fcs_lport_ms_gmal_response, (void *)ms,
2941 FC_MAX_PDUSZ, FC_FCCT_TOV);
2942
2943 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2944 }
2945
2946 static void
2947 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2948 void *cbarg, bfa_status_t req_status,
2949 u32 rsp_len, u32 resid_len,
2950 struct fchs_s *rsp_fchs)
2951 {
2952 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2953 bfa_fcs_lport_t *port = ms->port;
2954 struct ct_hdr_s *cthdr = NULL;
2955 struct fcgs_gmal_resp_s *gmal_resp;
2956 struct fcgs_gmal_entry_s *gmal_entry;
2957 u32 num_entries;
2958 u8 *rsp_str;
2959
2960 bfa_trc(port->fcs, req_status);
2961 bfa_trc(port->fcs, port->port_cfg.pwwn);
2962
2963 /*
2964 * Sanity Checks
2965 */
2966 if (req_status != BFA_STATUS_OK) {
2967 bfa_trc(port->fcs, req_status);
2968 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2969 return;
2970 }
2971
2972 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2973 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2974
2975 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2976 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
2977
2978 num_entries = be32_to_cpu(gmal_resp->ms_len);
2979 if (num_entries == 0) {
2980 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2981 return;
2982 }
2983 /*
2984 * The response could contain multiple Entries.
2985 * Entries for SNMP interface, etc.
2986 * We look for the entry with a telnet prefix.
2987 * First "http://" entry refers to IP addr
2988 */
2989
2990 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
2991 while (num_entries > 0) {
2992 if (strncmp(gmal_entry->prefix,
2993 CT_GMAL_RESP_PREFIX_HTTP,
2994 sizeof(gmal_entry->prefix)) == 0) {
2995
2996 /*
2997 * if the IP address is terminating with a '/',
2998 * remove it.
2999 * Byte 0 consists of the length of the string.
3000 */
3001 rsp_str = &(gmal_entry->prefix[0]);
3002 if (rsp_str[gmal_entry->len-1] == '/')
3003 rsp_str[gmal_entry->len-1] = 0;
3004
3005 /* copy IP Address to fabric */
3006 strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
3007 gmal_entry->ip_addr,
3008 BFA_FCS_FABRIC_IPADDR_SZ);
3009 break;
3010 } else {
3011 --num_entries;
3012 ++gmal_entry;
3013 }
3014 }
3015
3016 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3017 return;
3018 }
3019
3020 bfa_trc(port->fcs, cthdr->reason_code);
3021 bfa_trc(port->fcs, cthdr->exp_code);
3022 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3023 }
3024
3025 static void
3026 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
3027 enum port_ms_event event)
3028 {
3029 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3030 bfa_trc(ms->port->fcs, event);
3031
3032 switch (event) {
3033 case MSSM_EVENT_FCXP_SENT:
3034 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
3035 break;
3036
3037 case MSSM_EVENT_PORT_OFFLINE:
3038 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3039 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3040 &ms->fcxp_wqe);
3041 break;
3042
3043 default:
3044 bfa_sm_fault(ms->port->fcs, event);
3045 }
3046 }
3047
3048 static void
3049 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
3050 enum port_ms_event event)
3051 {
3052 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3053 bfa_trc(ms->port->fcs, event);
3054
3055 switch (event) {
3056 case MSSM_EVENT_RSP_ERROR:
3057 /*
3058 * Start timer for a delayed retry
3059 */
3060 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3061 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
3062 ms->port->stats.ms_retries++;
3063 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3064 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3065 BFA_FCS_RETRY_TIMEOUT);
3066 } else {
3067 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3068 ms->retry_cnt = 0;
3069 }
3070 break;
3071
3072 case MSSM_EVENT_RSP_OK:
3073 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3074 break;
3075
3076 case MSSM_EVENT_PORT_OFFLINE:
3077 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3078 bfa_fcxp_discard(ms->fcxp);
3079 break;
3080
3081 default:
3082 bfa_sm_fault(ms->port->fcs, event);
3083 }
3084 }
3085
3086 static void
3087 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
3088 enum port_ms_event event)
3089 {
3090 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3091 bfa_trc(ms->port->fcs, event);
3092
3093 switch (event) {
3094 case MSSM_EVENT_TIMEOUT:
3095 /*
3096 * Retry Timer Expired. Re-send
3097 */
3098 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3099 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3100 break;
3101
3102 case MSSM_EVENT_PORT_OFFLINE:
3103 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3104 bfa_timer_stop(&ms->timer);
3105 break;
3106
3107 default:
3108 bfa_sm_fault(ms->port->fcs, event);
3109 }
3110 }
3111 /*
3112 * ms_pvt MS local functions
3113 */
3114
3115 static void
3116 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3117 {
3118 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3119 bfa_fcs_lport_t *port = ms->port;
3120 struct fchs_s fchs;
3121 int len;
3122 struct bfa_fcxp_s *fcxp;
3123
3124 bfa_trc(port->fcs, port->pid);
3125
3126 fcxp = fcxp_alloced ? fcxp_alloced :
3127 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3128 if (!fcxp) {
3129 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3130 bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
3131 return;
3132 }
3133 ms->fcxp = fcxp;
3134
3135 len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3136 bfa_fcs_lport_get_fcid(port),
3137 port->fabric->lps->pr_nwwn);
3138
3139 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3140 FC_CLASS_3, len, &fchs,
3141 bfa_fcs_lport_ms_gfn_response, (void *)ms,
3142 FC_MAX_PDUSZ, FC_FCCT_TOV);
3143
3144 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3145 }
3146
3147 static void
3148 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3149 void *cbarg, bfa_status_t req_status, u32 rsp_len,
3150 u32 resid_len, struct fchs_s *rsp_fchs)
3151 {
3152 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3153 bfa_fcs_lport_t *port = ms->port;
3154 struct ct_hdr_s *cthdr = NULL;
3155 wwn_t *gfn_resp;
3156
3157 bfa_trc(port->fcs, req_status);
3158 bfa_trc(port->fcs, port->port_cfg.pwwn);
3159
3160 /*
3161 * Sanity Checks
3162 */
3163 if (req_status != BFA_STATUS_OK) {
3164 bfa_trc(port->fcs, req_status);
3165 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3166 return;
3167 }
3168
3169 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3170 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3171
3172 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3173 gfn_resp = (wwn_t *)(cthdr + 1);
3174 /* check if it has actually changed */
3175 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
3176 gfn_resp, sizeof(wwn_t)) != 0)) {
3177 bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
3178 }
3179 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3180 return;
3181 }
3182
3183 bfa_trc(port->fcs, cthdr->reason_code);
3184 bfa_trc(port->fcs, cthdr->exp_code);
3185 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3186 }
3187
3188 /*
3189 * ms_pvt MS local functions
3190 */
3191
3192 static void
3193 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3194 {
3195 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3196 struct bfa_fcs_lport_s *port = ms->port;
3197 struct fchs_s fchs;
3198 int len;
3199 struct bfa_fcxp_s *fcxp;
3200
3201 bfa_trc(port->fcs, port->pid);
3202
3203 fcxp = fcxp_alloced ? fcxp_alloced :
3204 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3205 if (!fcxp) {
3206 port->stats.ms_plogi_alloc_wait++;
3207 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3208 bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
3209 return;
3210 }
3211 ms->fcxp = fcxp;
3212
3213 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3214 bfa_hton3b(FC_MGMT_SERVER),
3215 bfa_fcs_lport_get_fcid(port), 0,
3216 port->port_cfg.pwwn, port->port_cfg.nwwn,
3217 bfa_fcport_get_maxfrsize(port->fcs->bfa),
3218 bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3219
3220 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3221 FC_CLASS_3, len, &fchs,
3222 bfa_fcs_lport_ms_plogi_response, (void *)ms,
3223 FC_MAX_PDUSZ, FC_ELS_TOV);
3224
3225 port->stats.ms_plogi_sent++;
3226 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3227 }
3228
3229 static void
3230 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3231 void *cbarg, bfa_status_t req_status,
3232 u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
3233 {
3234 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3235 struct bfa_fcs_lport_s *port = ms->port;
3236 struct fc_els_cmd_s *els_cmd;
3237 struct fc_ls_rjt_s *ls_rjt;
3238
3239 bfa_trc(port->fcs, req_status);
3240 bfa_trc(port->fcs, port->port_cfg.pwwn);
3241
3242 /*
3243 * Sanity Checks
3244 */
3245 if (req_status != BFA_STATUS_OK) {
3246 port->stats.ms_plogi_rsp_err++;
3247 bfa_trc(port->fcs, req_status);
3248 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3249 return;
3250 }
3251
3252 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3253
3254 switch (els_cmd->els_code) {
3255
3256 case FC_ELS_ACC:
3257 if (rsp_len < sizeof(struct fc_logi_s)) {
3258 bfa_trc(port->fcs, rsp_len);
3259 port->stats.ms_plogi_acc_err++;
3260 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3261 break;
3262 }
3263 port->stats.ms_plogi_accepts++;
3264 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3265 break;
3266
3267 case FC_ELS_LS_RJT:
3268 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3269
3270 bfa_trc(port->fcs, ls_rjt->reason_code);
3271 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3272
3273 port->stats.ms_rejects++;
3274 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3275 break;
3276
3277 default:
3278 port->stats.ms_plogi_unknown_rsp++;
3279 bfa_trc(port->fcs, els_cmd->els_code);
3280 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3281 }
3282 }
3283
3284 static void
3285 bfa_fcs_lport_ms_timeout(void *arg)
3286 {
3287 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
3288
3289 ms->port->stats.ms_timeouts++;
3290 bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
3291 }
3292
3293
3294 void
3295 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
3296 {
3297 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3298
3299 ms->port = port;
3300 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3301
3302 /*
3303 * Invoke init routines of sub modules.
3304 */
3305 bfa_fcs_lport_fdmi_init(ms);
3306 }
3307
3308 void
3309 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
3310 {
3311 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3312
3313 ms->port = port;
3314 bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
3315 bfa_fcs_lport_fdmi_offline(ms);
3316 }
3317
3318 void
3319 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3320 {
3321 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3322
3323 ms->port = port;
3324 bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3325 }
3326 void
3327 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3328 {
3329 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3330
3331 /* todo. Handle this only when in Online state */
3332 if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3333 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3334 }
3335
3336 /*
3337 * @page ns_sm_info VPORT NS State Machine
3338 *
3339 * @section ns_sm_interactions VPORT NS State Machine Interactions
3340 *
3341 * @section ns_sm VPORT NS State Machine
3342 * img ns_sm.jpg
3343 */
3344
3345 /*
3346 * forward declarations
3347 */
3348 static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3349 struct bfa_fcxp_s *fcxp_alloced);
3350 static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3351 struct bfa_fcxp_s *fcxp_alloced);
3352 static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3353 struct bfa_fcxp_s *fcxp_alloced);
3354 static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3355 struct bfa_fcxp_s *fcxp_alloced);
3356 static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3357 struct bfa_fcxp_s *fcxp_alloced);
3358 static void bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
3359 struct bfa_fcxp_s *fcxp_alloced);
3360 static void bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
3361 struct bfa_fcxp_s *fcxp_alloced);
3362 static void bfa_fcs_lport_ns_timeout(void *arg);
3363 static void bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3364 struct bfa_fcxp_s *fcxp,
3365 void *cbarg,
3366 bfa_status_t req_status,
3367 u32 rsp_len,
3368 u32 resid_len,
3369 struct fchs_s *rsp_fchs);
3370 static void bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3371 struct bfa_fcxp_s *fcxp,
3372 void *cbarg,
3373 bfa_status_t req_status,
3374 u32 rsp_len,
3375 u32 resid_len,
3376 struct fchs_s *rsp_fchs);
3377 static void bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3378 struct bfa_fcxp_s *fcxp,
3379 void *cbarg,
3380 bfa_status_t req_status,
3381 u32 rsp_len,
3382 u32 resid_len,
3383 struct fchs_s *rsp_fchs);
3384 static void bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3385 struct bfa_fcxp_s *fcxp,
3386 void *cbarg,
3387 bfa_status_t req_status,
3388 u32 rsp_len,
3389 u32 resid_len,
3390 struct fchs_s *rsp_fchs);
3391 static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3392 struct bfa_fcxp_s *fcxp,
3393 void *cbarg,
3394 bfa_status_t req_status,
3395 u32 rsp_len,
3396 u32 resid_len,
3397 struct fchs_s *rsp_fchs);
3398 static void bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
3399 struct bfa_fcxp_s *fcxp,
3400 void *cbarg,
3401 bfa_status_t req_status,
3402 u32 rsp_len,
3403 u32 resid_len,
3404 struct fchs_s *rsp_fchs);
3405 static void bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
3406 struct bfa_fcxp_s *fcxp,
3407 void *cbarg,
3408 bfa_status_t req_status,
3409 u32 rsp_len,
3410 u32 resid_len,
3411 struct fchs_s *rsp_fchs);
3412 static void bfa_fcs_lport_ns_process_gidft_pids(
3413 struct bfa_fcs_lport_s *port,
3414 u32 *pid_buf, u32 n_pids);
3415
3416 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3417 /*
3418 * fcs_ns_sm FCS nameserver interface state machine
3419 */
3420
3421 /*
3422 * VPort NS State Machine events
3423 */
3424 enum vport_ns_event {
3425 NSSM_EVENT_PORT_ONLINE = 1,
3426 NSSM_EVENT_PORT_OFFLINE = 2,
3427 NSSM_EVENT_PLOGI_SENT = 3,
3428 NSSM_EVENT_RSP_OK = 4,
3429 NSSM_EVENT_RSP_ERROR = 5,
3430 NSSM_EVENT_TIMEOUT = 6,
3431 NSSM_EVENT_NS_QUERY = 7,
3432 NSSM_EVENT_RSPNID_SENT = 8,
3433 NSSM_EVENT_RFTID_SENT = 9,
3434 NSSM_EVENT_RFFID_SENT = 10,
3435 NSSM_EVENT_GIDFT_SENT = 11,
3436 NSSM_EVENT_RNNID_SENT = 12,
3437 NSSM_EVENT_RSNN_NN_SENT = 13,
3438 };
3439
3440 static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3441 enum vport_ns_event event);
3442 static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3443 enum vport_ns_event event);
3444 static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3445 enum vport_ns_event event);
3446 static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3447 enum vport_ns_event event);
3448 static void bfa_fcs_lport_ns_sm_sending_rspn_id(
3449 struct bfa_fcs_lport_ns_s *ns,
3450 enum vport_ns_event event);
3451 static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3452 enum vport_ns_event event);
3453 static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3454 enum vport_ns_event event);
3455 static void bfa_fcs_lport_ns_sm_sending_rft_id(
3456 struct bfa_fcs_lport_ns_s *ns,
3457 enum vport_ns_event event);
3458 static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3459 enum vport_ns_event event);
3460 static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3461 enum vport_ns_event event);
3462 static void bfa_fcs_lport_ns_sm_sending_rff_id(
3463 struct bfa_fcs_lport_ns_s *ns,
3464 enum vport_ns_event event);
3465 static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3466 enum vport_ns_event event);
3467 static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3468 enum vport_ns_event event);
3469 static void bfa_fcs_lport_ns_sm_sending_gid_ft(
3470 struct bfa_fcs_lport_ns_s *ns,
3471 enum vport_ns_event event);
3472 static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3473 enum vport_ns_event event);
3474 static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3475 enum vport_ns_event event);
3476 static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3477 enum vport_ns_event event);
3478 static void bfa_fcs_lport_ns_sm_sending_rnn_id(
3479 struct bfa_fcs_lport_ns_s *ns,
3480 enum vport_ns_event event);
3481 static void bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3482 enum vport_ns_event event);
3483 static void bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3484 enum vport_ns_event event);
3485 static void bfa_fcs_lport_ns_sm_sending_rsnn_nn(
3486 struct bfa_fcs_lport_ns_s *ns,
3487 enum vport_ns_event event);
3488 static void bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3489 enum vport_ns_event event);
3490 static void bfa_fcs_lport_ns_sm_rsnn_nn_retry(
3491 struct bfa_fcs_lport_ns_s *ns,
3492 enum vport_ns_event event);
3493 /*
3494 * Start in offline state - awaiting linkup
3495 */
3496 static void
3497 bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3498 enum vport_ns_event event)
3499 {
3500 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3501 bfa_trc(ns->port->fcs, event);
3502
3503 switch (event) {
3504 case NSSM_EVENT_PORT_ONLINE:
3505 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3506 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3507 break;
3508
3509 case NSSM_EVENT_PORT_OFFLINE:
3510 break;
3511
3512 default:
3513 bfa_sm_fault(ns->port->fcs, event);
3514 }
3515 }
3516
3517 static void
3518 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3519 enum vport_ns_event event)
3520 {
3521 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3522 bfa_trc(ns->port->fcs, event);
3523
3524 switch (event) {
3525 case NSSM_EVENT_PLOGI_SENT:
3526 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3527 break;
3528
3529 case NSSM_EVENT_PORT_OFFLINE:
3530 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3531 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3532 &ns->fcxp_wqe);
3533 break;
3534
3535 default:
3536 bfa_sm_fault(ns->port->fcs, event);
3537 }
3538 }
3539
3540 static void
3541 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3542 enum vport_ns_event event)
3543 {
3544 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3545 bfa_trc(ns->port->fcs, event);
3546
3547 switch (event) {
3548 case NSSM_EVENT_RSP_ERROR:
3549 /*
3550 * Start timer for a delayed retry
3551 */
3552 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3553 ns->port->stats.ns_retries++;
3554 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3555 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3556 BFA_FCS_RETRY_TIMEOUT);
3557 break;
3558
3559 case NSSM_EVENT_RSP_OK:
3560 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3561 ns->num_rnnid_retries = 0;
3562 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3563 break;
3564
3565 case NSSM_EVENT_PORT_OFFLINE:
3566 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3567 bfa_fcxp_discard(ns->fcxp);
3568 break;
3569
3570 default:
3571 bfa_sm_fault(ns->port->fcs, event);
3572 }
3573 }
3574
3575 static void
3576 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3577 enum vport_ns_event event)
3578 {
3579 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3580 bfa_trc(ns->port->fcs, event);
3581
3582 switch (event) {
3583 case NSSM_EVENT_TIMEOUT:
3584 /*
3585 * Retry Timer Expired. Re-send
3586 */
3587 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3588 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3589 break;
3590
3591 case NSSM_EVENT_PORT_OFFLINE:
3592 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3593 bfa_timer_stop(&ns->timer);
3594 break;
3595
3596 default:
3597 bfa_sm_fault(ns->port->fcs, event);
3598 }
3599 }
3600
3601 static void
3602 bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3603 enum vport_ns_event event)
3604 {
3605 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3606 bfa_trc(ns->port->fcs, event);
3607
3608 switch (event) {
3609 case NSSM_EVENT_RNNID_SENT:
3610 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
3611 break;
3612
3613 case NSSM_EVENT_PORT_OFFLINE:
3614 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3615 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3616 &ns->fcxp_wqe);
3617 break;
3618 default:
3619 bfa_sm_fault(ns->port->fcs, event);
3620 }
3621 }
3622
3623 static void
3624 bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3625 enum vport_ns_event event)
3626 {
3627 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3628 bfa_trc(ns->port->fcs, event);
3629
3630 switch (event) {
3631 case NSSM_EVENT_RSP_OK:
3632 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3633 ns->num_rnnid_retries = 0;
3634 ns->num_rsnn_nn_retries = 0;
3635 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3636 break;
3637
3638 case NSSM_EVENT_RSP_ERROR:
3639 if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
3640 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
3641 ns->port->stats.ns_retries++;
3642 ns->num_rnnid_retries++;
3643 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3644 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3645 BFA_FCS_RETRY_TIMEOUT);
3646 } else {
3647 bfa_sm_set_state(ns,
3648 bfa_fcs_lport_ns_sm_sending_rspn_id);
3649 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3650 }
3651 break;
3652
3653 case NSSM_EVENT_PORT_OFFLINE:
3654 bfa_fcxp_discard(ns->fcxp);
3655 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3656 break;
3657
3658 default:
3659 bfa_sm_fault(ns->port->fcs, event);
3660 }
3661 }
3662
3663 static void
3664 bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3665 enum vport_ns_event event)
3666 {
3667 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3668 bfa_trc(ns->port->fcs, event);
3669
3670 switch (event) {
3671 case NSSM_EVENT_TIMEOUT:
3672 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3673 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3674 break;
3675
3676 case NSSM_EVENT_PORT_OFFLINE:
3677 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3678 bfa_timer_stop(&ns->timer);
3679 break;
3680
3681 default:
3682 bfa_sm_fault(ns->port->fcs, event);
3683 }
3684 }
3685
3686 static void
3687 bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3688 enum vport_ns_event event)
3689 {
3690 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3691 bfa_trc(ns->port->fcs, event);
3692
3693 switch (event) {
3694 case NSSM_EVENT_RSNN_NN_SENT:
3695 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
3696 break;
3697
3698 case NSSM_EVENT_PORT_OFFLINE:
3699 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3700 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3701 &ns->fcxp_wqe);
3702 break;
3703
3704 default:
3705 bfa_sm_fault(ns->port->fcs, event);
3706 }
3707 }
3708
3709 static void
3710 bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3711 enum vport_ns_event event)
3712 {
3713 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3714 bfa_trc(ns->port->fcs, event);
3715
3716 switch (event) {
3717 case NSSM_EVENT_RSP_OK:
3718 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3719 ns->num_rsnn_nn_retries = 0;
3720 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3721 break;
3722
3723 case NSSM_EVENT_RSP_ERROR:
3724 if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
3725 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
3726 ns->port->stats.ns_retries++;
3727 ns->num_rsnn_nn_retries++;
3728 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3729 &ns->timer, bfa_fcs_lport_ns_timeout,
3730 ns, BFA_FCS_RETRY_TIMEOUT);
3731 } else {
3732 bfa_sm_set_state(ns,
3733 bfa_fcs_lport_ns_sm_sending_rspn_id);
3734 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3735 }
3736 break;
3737
3738 case NSSM_EVENT_PORT_OFFLINE:
3739 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3740 bfa_fcxp_discard(ns->fcxp);
3741 break;
3742
3743 default:
3744 bfa_sm_fault(ns->port->fcs, event);
3745 }
3746 }
3747
3748 static void
3749 bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
3750 enum vport_ns_event event)
3751 {
3752 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3753 bfa_trc(ns->port->fcs, event);
3754
3755 switch (event) {
3756 case NSSM_EVENT_TIMEOUT:
3757 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3758 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3759 break;
3760
3761 case NSSM_EVENT_PORT_OFFLINE:
3762 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3763 bfa_timer_stop(&ns->timer);
3764 break;
3765
3766 default:
3767 bfa_sm_fault(ns->port->fcs, event);
3768 }
3769 }
3770
3771 static void
3772 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3773 enum vport_ns_event event)
3774 {
3775 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3776 bfa_trc(ns->port->fcs, event);
3777
3778 switch (event) {
3779 case NSSM_EVENT_RSPNID_SENT:
3780 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
3781 break;
3782
3783 case NSSM_EVENT_PORT_OFFLINE:
3784 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3785 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3786 &ns->fcxp_wqe);
3787 break;
3788
3789 default:
3790 bfa_sm_fault(ns->port->fcs, event);
3791 }
3792 }
3793
3794 static void
3795 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3796 enum vport_ns_event event)
3797 {
3798 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3799 bfa_trc(ns->port->fcs, event);
3800
3801 switch (event) {
3802 case NSSM_EVENT_RSP_ERROR:
3803 /*
3804 * Start timer for a delayed retry
3805 */
3806 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
3807 ns->port->stats.ns_retries++;
3808 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3809 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3810 BFA_FCS_RETRY_TIMEOUT);
3811 break;
3812
3813 case NSSM_EVENT_RSP_OK:
3814 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3815 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3816 break;
3817
3818 case NSSM_EVENT_PORT_OFFLINE:
3819 bfa_fcxp_discard(ns->fcxp);
3820 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3821 break;
3822
3823 default:
3824 bfa_sm_fault(ns->port->fcs, event);
3825 }
3826 }
3827
3828 static void
3829 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3830 enum vport_ns_event event)
3831 {
3832 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3833 bfa_trc(ns->port->fcs, event);
3834
3835 switch (event) {
3836 case NSSM_EVENT_TIMEOUT:
3837 /*
3838 * Retry Timer Expired. Re-send
3839 */
3840 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3841 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3842 break;
3843
3844 case NSSM_EVENT_PORT_OFFLINE:
3845 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3846 bfa_timer_stop(&ns->timer);
3847 break;
3848
3849 default:
3850 bfa_sm_fault(ns->port->fcs, event);
3851 }
3852 }
3853
3854 static void
3855 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
3856 enum vport_ns_event event)
3857 {
3858 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3859 bfa_trc(ns->port->fcs, event);
3860
3861 switch (event) {
3862 case NSSM_EVENT_RFTID_SENT:
3863 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
3864 break;
3865
3866 case NSSM_EVENT_PORT_OFFLINE:
3867 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3868 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3869 &ns->fcxp_wqe);
3870 break;
3871
3872 default:
3873 bfa_sm_fault(ns->port->fcs, event);
3874 }
3875 }
3876
3877 static void
3878 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3879 enum vport_ns_event event)
3880 {
3881 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3882 bfa_trc(ns->port->fcs, event);
3883
3884 switch (event) {
3885 case NSSM_EVENT_RSP_OK:
3886 /* Now move to register FC4 Features */
3887 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
3888 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
3889 break;
3890
3891 case NSSM_EVENT_RSP_ERROR:
3892 /*
3893 * Start timer for a delayed retry
3894 */
3895 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
3896 ns->port->stats.ns_retries++;
3897 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3898 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3899 BFA_FCS_RETRY_TIMEOUT);
3900 break;
3901
3902 case NSSM_EVENT_PORT_OFFLINE:
3903 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3904 bfa_fcxp_discard(ns->fcxp);
3905 break;
3906
3907 default:
3908 bfa_sm_fault(ns->port->fcs, event);
3909 }
3910 }
3911
3912 static void
3913 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3914 enum vport_ns_event event)
3915 {
3916 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3917 bfa_trc(ns->port->fcs, event);
3918
3919 switch (event) {
3920 case NSSM_EVENT_TIMEOUT:
3921 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3922 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3923 break;
3924
3925 case NSSM_EVENT_PORT_OFFLINE:
3926 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3927 bfa_timer_stop(&ns->timer);
3928 break;
3929
3930 default:
3931 bfa_sm_fault(ns->port->fcs, event);
3932 }
3933 }
3934
3935 static void
3936 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
3937 enum vport_ns_event event)
3938 {
3939 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3940 bfa_trc(ns->port->fcs, event);
3941
3942 switch (event) {
3943 case NSSM_EVENT_RFFID_SENT:
3944 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
3945 break;
3946
3947 case NSSM_EVENT_PORT_OFFLINE:
3948 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3949 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3950 &ns->fcxp_wqe);
3951 break;
3952
3953 default:
3954 bfa_sm_fault(ns->port->fcs, event);
3955 }
3956 }
3957
3958 static void
3959 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3960 enum vport_ns_event event)
3961 {
3962 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3963 bfa_trc(ns->port->fcs, event);
3964
3965 switch (event) {
3966 case NSSM_EVENT_RSP_OK:
3967
3968 /*
3969 * If min cfg mode is enabled, we donot initiate rport
3970 * discovery with the fabric. Instead, we will retrieve the
3971 * boot targets from HAL/FW.
3972 */
3973 if (__fcs_min_cfg(ns->port->fcs)) {
3974 bfa_fcs_lport_ns_boot_target_disc(ns->port);
3975 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
3976 return;
3977 }
3978
3979 /*
3980 * If the port role is Initiator Mode issue NS query.
3981 * If it is Target Mode, skip this and go to online.
3982 */
3983 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
3984 bfa_sm_set_state(ns,
3985 bfa_fcs_lport_ns_sm_sending_gid_ft);
3986 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3987 }
3988 /*
3989 * kick off mgmt srvr state machine
3990 */
3991 bfa_fcs_lport_ms_online(ns->port);
3992 break;
3993
3994 case NSSM_EVENT_RSP_ERROR:
3995 /*
3996 * Start timer for a delayed retry
3997 */
3998 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
3999 ns->port->stats.ns_retries++;
4000 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4001 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4002 BFA_FCS_RETRY_TIMEOUT);
4003 break;
4004
4005 case NSSM_EVENT_PORT_OFFLINE:
4006 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4007 bfa_fcxp_discard(ns->fcxp);
4008 break;
4009
4010 default:
4011 bfa_sm_fault(ns->port->fcs, event);
4012 }
4013 }
4014
4015 static void
4016 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
4017 enum vport_ns_event event)
4018 {
4019 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4020 bfa_trc(ns->port->fcs, event);
4021
4022 switch (event) {
4023 case NSSM_EVENT_TIMEOUT:
4024 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4025 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4026 break;
4027
4028 case NSSM_EVENT_PORT_OFFLINE:
4029 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4030 bfa_timer_stop(&ns->timer);
4031 break;
4032
4033 default:
4034 bfa_sm_fault(ns->port->fcs, event);
4035 }
4036 }
4037 static void
4038 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4039 enum vport_ns_event event)
4040 {
4041 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4042 bfa_trc(ns->port->fcs, event);
4043
4044 switch (event) {
4045 case NSSM_EVENT_GIDFT_SENT:
4046 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
4047 break;
4048
4049 case NSSM_EVENT_PORT_OFFLINE:
4050 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4051 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4052 &ns->fcxp_wqe);
4053 break;
4054
4055 default:
4056 bfa_sm_fault(ns->port->fcs, event);
4057 }
4058 }
4059
4060 static void
4061 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4062 enum vport_ns_event event)
4063 {
4064 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4065 bfa_trc(ns->port->fcs, event);
4066
4067 switch (event) {
4068 case NSSM_EVENT_RSP_OK:
4069 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4070 break;
4071
4072 case NSSM_EVENT_RSP_ERROR:
4073 /*
4074 * TBD: for certain reject codes, we don't need to retry
4075 */
4076 /*
4077 * Start timer for a delayed retry
4078 */
4079 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
4080 ns->port->stats.ns_retries++;
4081 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4082 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4083 BFA_FCS_RETRY_TIMEOUT);
4084 break;
4085
4086 case NSSM_EVENT_PORT_OFFLINE:
4087 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4088 bfa_fcxp_discard(ns->fcxp);
4089 break;
4090
4091 case NSSM_EVENT_NS_QUERY:
4092 break;
4093
4094 default:
4095 bfa_sm_fault(ns->port->fcs, event);
4096 }
4097 }
4098
4099 static void
4100 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
4101 enum vport_ns_event event)
4102 {
4103 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4104 bfa_trc(ns->port->fcs, event);
4105
4106 switch (event) {
4107 case NSSM_EVENT_TIMEOUT:
4108 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
4109 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4110 break;
4111
4112 case NSSM_EVENT_PORT_OFFLINE:
4113 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4114 bfa_timer_stop(&ns->timer);
4115 break;
4116
4117 default:
4118 bfa_sm_fault(ns->port->fcs, event);
4119 }
4120 }
4121
4122 static void
4123 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
4124 enum vport_ns_event event)
4125 {
4126 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4127 bfa_trc(ns->port->fcs, event);
4128
4129 switch (event) {
4130 case NSSM_EVENT_PORT_OFFLINE:
4131 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4132 break;
4133
4134 case NSSM_EVENT_NS_QUERY:
4135 /*
4136 * If the port role is Initiator Mode issue NS query.
4137 * If it is Target Mode, skip this and go to online.
4138 */
4139 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4140 bfa_sm_set_state(ns,
4141 bfa_fcs_lport_ns_sm_sending_gid_ft);
4142 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4143 };
4144 break;
4145
4146 default:
4147 bfa_sm_fault(ns->port->fcs, event);
4148 }
4149 }
4150
4151
4152
4153 /*
4154 * ns_pvt Nameserver local functions
4155 */
4156
4157 static void
4158 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4159 {
4160 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4161 struct bfa_fcs_lport_s *port = ns->port;
4162 struct fchs_s fchs;
4163 int len;
4164 struct bfa_fcxp_s *fcxp;
4165
4166 bfa_trc(port->fcs, port->pid);
4167
4168 fcxp = fcxp_alloced ? fcxp_alloced :
4169 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4170 if (!fcxp) {
4171 port->stats.ns_plogi_alloc_wait++;
4172 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4173 bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
4174 return;
4175 }
4176 ns->fcxp = fcxp;
4177
4178 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4179 bfa_hton3b(FC_NAME_SERVER),
4180 bfa_fcs_lport_get_fcid(port), 0,
4181 port->port_cfg.pwwn, port->port_cfg.nwwn,
4182 bfa_fcport_get_maxfrsize(port->fcs->bfa),
4183 bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
4184
4185 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4186 FC_CLASS_3, len, &fchs,
4187 bfa_fcs_lport_ns_plogi_response, (void *)ns,
4188 FC_MAX_PDUSZ, FC_ELS_TOV);
4189 port->stats.ns_plogi_sent++;
4190
4191 bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
4192 }
4193
4194 static void
4195 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4196 void *cbarg, bfa_status_t req_status, u32 rsp_len,
4197 u32 resid_len, struct fchs_s *rsp_fchs)
4198 {
4199 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4200 struct bfa_fcs_lport_s *port = ns->port;
4201 /* struct fc_logi_s *plogi_resp; */
4202 struct fc_els_cmd_s *els_cmd;
4203 struct fc_ls_rjt_s *ls_rjt;
4204
4205 bfa_trc(port->fcs, req_status);
4206 bfa_trc(port->fcs, port->port_cfg.pwwn);
4207
4208 /*
4209 * Sanity Checks
4210 */
4211 if (req_status != BFA_STATUS_OK) {
4212 bfa_trc(port->fcs, req_status);
4213 port->stats.ns_plogi_rsp_err++;
4214 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4215 return;
4216 }
4217
4218 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4219
4220 switch (els_cmd->els_code) {
4221
4222 case FC_ELS_ACC:
4223 if (rsp_len < sizeof(struct fc_logi_s)) {
4224 bfa_trc(port->fcs, rsp_len);
4225 port->stats.ns_plogi_acc_err++;
4226 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4227 break;
4228 }
4229 port->stats.ns_plogi_accepts++;
4230 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4231 break;
4232
4233 case FC_ELS_LS_RJT:
4234 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4235
4236 bfa_trc(port->fcs, ls_rjt->reason_code);
4237 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4238
4239 port->stats.ns_rejects++;
4240
4241 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4242 break;
4243
4244 default:
4245 port->stats.ns_plogi_unknown_rsp++;
4246 bfa_trc(port->fcs, els_cmd->els_code);
4247 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4248 }
4249 }
4250
4251 /*
4252 * Register node name for port_id
4253 */
4254 static void
4255 bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4256 {
4257 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4258 struct bfa_fcs_lport_s *port = ns->port;
4259 struct fchs_s fchs;
4260 int len;
4261 struct bfa_fcxp_s *fcxp;
4262
4263 bfa_trc(port->fcs, port->port_cfg.pwwn);
4264
4265 fcxp = fcxp_alloced ? fcxp_alloced :
4266 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4267 if (!fcxp) {
4268 port->stats.ns_rnnid_alloc_wait++;
4269 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4270 bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
4271 return;
4272 }
4273
4274 ns->fcxp = fcxp;
4275
4276 len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4277 bfa_fcs_lport_get_fcid(port),
4278 bfa_fcs_lport_get_fcid(port),
4279 bfa_fcs_lport_get_nwwn(port));
4280
4281 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4282 FC_CLASS_3, len, &fchs,
4283 bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
4284 FC_MAX_PDUSZ, FC_FCCT_TOV);
4285
4286 port->stats.ns_rnnid_sent++;
4287 bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
4288 }
4289
4290 static void
4291 bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4292 void *cbarg, bfa_status_t req_status,
4293 u32 rsp_len, u32 resid_len,
4294 struct fchs_s *rsp_fchs)
4295
4296 {
4297 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4298 struct bfa_fcs_lport_s *port = ns->port;
4299 struct ct_hdr_s *cthdr = NULL;
4300
4301 bfa_trc(port->fcs, port->port_cfg.pwwn);
4302
4303 /*
4304 * Sanity Checks
4305 */
4306 if (req_status != BFA_STATUS_OK) {
4307 bfa_trc(port->fcs, req_status);
4308 port->stats.ns_rnnid_rsp_err++;
4309 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4310 return;
4311 }
4312
4313 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4314 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4315
4316 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4317 port->stats.ns_rnnid_accepts++;
4318 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4319 return;
4320 }
4321
4322 port->stats.ns_rnnid_rejects++;
4323 bfa_trc(port->fcs, cthdr->reason_code);
4324 bfa_trc(port->fcs, cthdr->exp_code);
4325 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4326 }
4327
4328 /*
4329 * Register the symbolic node name for a given node name.
4330 */
4331 static void
4332 bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4333 {
4334 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4335 struct bfa_fcs_lport_s *port = ns->port;
4336 struct fchs_s fchs;
4337 int len;
4338 struct bfa_fcxp_s *fcxp;
4339 u8 *nsymbl;
4340
4341 bfa_trc(port->fcs, port->port_cfg.pwwn);
4342
4343 fcxp = fcxp_alloced ? fcxp_alloced :
4344 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4345 if (!fcxp) {
4346 port->stats.ns_rsnn_nn_alloc_wait++;
4347 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4348 bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
4349 return;
4350 }
4351 ns->fcxp = fcxp;
4352
4353 nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
4354 bfa_fcs_get_base_port(port->fcs)));
4355
4356 len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4357 bfa_fcs_lport_get_fcid(port),
4358 bfa_fcs_lport_get_nwwn(port), nsymbl);
4359
4360 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4361 FC_CLASS_3, len, &fchs,
4362 bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
4363 FC_MAX_PDUSZ, FC_FCCT_TOV);
4364
4365 port->stats.ns_rsnn_nn_sent++;
4366
4367 bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
4368 }
4369
4370 static void
4371 bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4372 void *cbarg, bfa_status_t req_status,
4373 u32 rsp_len, u32 resid_len,
4374 struct fchs_s *rsp_fchs)
4375 {
4376 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4377 struct bfa_fcs_lport_s *port = ns->port;
4378 struct ct_hdr_s *cthdr = NULL;
4379
4380 bfa_trc(port->fcs, port->port_cfg.pwwn);
4381
4382 /*
4383 * Sanity Checks
4384 */
4385 if (req_status != BFA_STATUS_OK) {
4386 bfa_trc(port->fcs, req_status);
4387 port->stats.ns_rsnn_nn_rsp_err++;
4388 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4389 return;
4390 }
4391
4392 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4393 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4394
4395 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4396 port->stats.ns_rsnn_nn_accepts++;
4397 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4398 return;
4399 }
4400
4401 port->stats.ns_rsnn_nn_rejects++;
4402 bfa_trc(port->fcs, cthdr->reason_code);
4403 bfa_trc(port->fcs, cthdr->exp_code);
4404 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4405 }
4406
4407 /*
4408 * Register the symbolic port name.
4409 */
4410 static void
4411 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4412 {
4413 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4414 struct bfa_fcs_lport_s *port = ns->port;
4415 struct fchs_s fchs;
4416 int len;
4417 struct bfa_fcxp_s *fcxp;
4418 u8 symbl[256];
4419 u8 *psymbl = &symbl[0];
4420
4421 memset(symbl, 0, sizeof(symbl));
4422
4423 bfa_trc(port->fcs, port->port_cfg.pwwn);
4424
4425 fcxp = fcxp_alloced ? fcxp_alloced :
4426 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4427 if (!fcxp) {
4428 port->stats.ns_rspnid_alloc_wait++;
4429 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4430 bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
4431 return;
4432 }
4433 ns->fcxp = fcxp;
4434
4435 /*
4436 * for V-Port, form a Port Symbolic Name
4437 */
4438 if (port->vport) {
4439 /*
4440 * For Vports, we append the vport's port symbolic name
4441 * to that of the base port.
4442 */
4443
4444 strncpy((char *)psymbl,
4445 (char *) &
4446 (bfa_fcs_lport_get_psym_name
4447 (bfa_fcs_get_base_port(port->fcs))),
4448 strlen((char *) &
4449 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4450 (port->fcs))));
4451
4452 /* Ensure we have a null terminating string. */
4453 ((char *)psymbl)[strlen((char *) &
4454 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4455 (port->fcs)))] = 0;
4456 strncat((char *)psymbl,
4457 (char *) &(bfa_fcs_lport_get_psym_name(port)),
4458 strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
4459 } else {
4460 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
4461 }
4462
4463 len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4464 bfa_fcs_lport_get_fcid(port), 0, psymbl);
4465
4466 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4467 FC_CLASS_3, len, &fchs,
4468 bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
4469 FC_MAX_PDUSZ, FC_FCCT_TOV);
4470
4471 port->stats.ns_rspnid_sent++;
4472
4473 bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
4474 }
4475
4476 static void
4477 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4478 void *cbarg, bfa_status_t req_status,
4479 u32 rsp_len, u32 resid_len,
4480 struct fchs_s *rsp_fchs)
4481 {
4482 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4483 struct bfa_fcs_lport_s *port = ns->port;
4484 struct ct_hdr_s *cthdr = NULL;
4485
4486 bfa_trc(port->fcs, port->port_cfg.pwwn);
4487
4488 /*
4489 * Sanity Checks
4490 */
4491 if (req_status != BFA_STATUS_OK) {
4492 bfa_trc(port->fcs, req_status);
4493 port->stats.ns_rspnid_rsp_err++;
4494 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4495 return;
4496 }
4497
4498 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4499 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4500
4501 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4502 port->stats.ns_rspnid_accepts++;
4503 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4504 return;
4505 }
4506
4507 port->stats.ns_rspnid_rejects++;
4508 bfa_trc(port->fcs, cthdr->reason_code);
4509 bfa_trc(port->fcs, cthdr->exp_code);
4510 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4511 }
4512
4513 /*
4514 * Register FC4-Types
4515 */
4516 static void
4517 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4518 {
4519 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4520 struct bfa_fcs_lport_s *port = ns->port;
4521 struct fchs_s fchs;
4522 int len;
4523 struct bfa_fcxp_s *fcxp;
4524
4525 bfa_trc(port->fcs, port->port_cfg.pwwn);
4526
4527 fcxp = fcxp_alloced ? fcxp_alloced :
4528 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4529 if (!fcxp) {
4530 port->stats.ns_rftid_alloc_wait++;
4531 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4532 bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
4533 return;
4534 }
4535 ns->fcxp = fcxp;
4536
4537 len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4538 bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
4539
4540 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4541 FC_CLASS_3, len, &fchs,
4542 bfa_fcs_lport_ns_rft_id_response, (void *)ns,
4543 FC_MAX_PDUSZ, FC_FCCT_TOV);
4544
4545 port->stats.ns_rftid_sent++;
4546 bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
4547 }
4548
4549 static void
4550 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4551 void *cbarg, bfa_status_t req_status,
4552 u32 rsp_len, u32 resid_len,
4553 struct fchs_s *rsp_fchs)
4554 {
4555 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4556 struct bfa_fcs_lport_s *port = ns->port;
4557 struct ct_hdr_s *cthdr = NULL;
4558
4559 bfa_trc(port->fcs, port->port_cfg.pwwn);
4560
4561 /*
4562 * Sanity Checks
4563 */
4564 if (req_status != BFA_STATUS_OK) {
4565 bfa_trc(port->fcs, req_status);
4566 port->stats.ns_rftid_rsp_err++;
4567 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4568 return;
4569 }
4570
4571 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4572 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4573
4574 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4575 port->stats.ns_rftid_accepts++;
4576 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4577 return;
4578 }
4579
4580 port->stats.ns_rftid_rejects++;
4581 bfa_trc(port->fcs, cthdr->reason_code);
4582 bfa_trc(port->fcs, cthdr->exp_code);
4583 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4584 }
4585
4586 /*
4587 * Register FC4-Features : Should be done after RFT_ID
4588 */
4589 static void
4590 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4591 {
4592 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4593 struct bfa_fcs_lport_s *port = ns->port;
4594 struct fchs_s fchs;
4595 int len;
4596 struct bfa_fcxp_s *fcxp;
4597 u8 fc4_ftrs = 0;
4598
4599 bfa_trc(port->fcs, port->port_cfg.pwwn);
4600
4601 fcxp = fcxp_alloced ? fcxp_alloced :
4602 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4603 if (!fcxp) {
4604 port->stats.ns_rffid_alloc_wait++;
4605 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4606 bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
4607 return;
4608 }
4609 ns->fcxp = fcxp;
4610
4611 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
4612 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
4613
4614 len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4615 bfa_fcs_lport_get_fcid(port), 0,
4616 FC_TYPE_FCP, fc4_ftrs);
4617
4618 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4619 FC_CLASS_3, len, &fchs,
4620 bfa_fcs_lport_ns_rff_id_response, (void *)ns,
4621 FC_MAX_PDUSZ, FC_FCCT_TOV);
4622
4623 port->stats.ns_rffid_sent++;
4624 bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
4625 }
4626
4627 static void
4628 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4629 void *cbarg, bfa_status_t req_status,
4630 u32 rsp_len, u32 resid_len,
4631 struct fchs_s *rsp_fchs)
4632 {
4633 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4634 struct bfa_fcs_lport_s *port = ns->port;
4635 struct ct_hdr_s *cthdr = NULL;
4636
4637 bfa_trc(port->fcs, port->port_cfg.pwwn);
4638
4639 /*
4640 * Sanity Checks
4641 */
4642 if (req_status != BFA_STATUS_OK) {
4643 bfa_trc(port->fcs, req_status);
4644 port->stats.ns_rffid_rsp_err++;
4645 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4646 return;
4647 }
4648
4649 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4650 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4651
4652 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4653 port->stats.ns_rffid_accepts++;
4654 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4655 return;
4656 }
4657
4658 port->stats.ns_rffid_rejects++;
4659 bfa_trc(port->fcs, cthdr->reason_code);
4660 bfa_trc(port->fcs, cthdr->exp_code);
4661
4662 if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
4663 /* if this command is not supported, we don't retry */
4664 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4665 } else
4666 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4667 }
4668 /*
4669 * Query Fabric for FC4-Types Devices.
4670 *
4671 * TBD : Need to use a local (FCS private) response buffer, since the response
4672 * can be larger than 2K.
4673 */
4674 static void
4675 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4676 {
4677 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4678 struct bfa_fcs_lport_s *port = ns->port;
4679 struct fchs_s fchs;
4680 int len;
4681 struct bfa_fcxp_s *fcxp;
4682
4683 bfa_trc(port->fcs, port->pid);
4684
4685 fcxp = fcxp_alloced ? fcxp_alloced :
4686 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4687 if (!fcxp) {
4688 port->stats.ns_gidft_alloc_wait++;
4689 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4690 bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
4691 return;
4692 }
4693 ns->fcxp = fcxp;
4694
4695 /*
4696 * This query is only initiated for FCP initiator mode.
4697 */
4698 len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4699 ns->port->pid, FC_TYPE_FCP);
4700
4701 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4702 FC_CLASS_3, len, &fchs,
4703 bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4704 bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4705
4706 port->stats.ns_gidft_sent++;
4707
4708 bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4709 }
4710
4711 static void
4712 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4713 void *cbarg, bfa_status_t req_status,
4714 u32 rsp_len, u32 resid_len,
4715 struct fchs_s *rsp_fchs)
4716 {
4717 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4718 struct bfa_fcs_lport_s *port = ns->port;
4719 struct ct_hdr_s *cthdr = NULL;
4720 u32 n_pids;
4721
4722 bfa_trc(port->fcs, port->port_cfg.pwwn);
4723
4724 /*
4725 * Sanity Checks
4726 */
4727 if (req_status != BFA_STATUS_OK) {
4728 bfa_trc(port->fcs, req_status);
4729 port->stats.ns_gidft_rsp_err++;
4730 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4731 return;
4732 }
4733
4734 if (resid_len != 0) {
4735 /*
4736 * TBD : we will need to allocate a larger buffer & retry the
4737 * command
4738 */
4739 bfa_trc(port->fcs, rsp_len);
4740 bfa_trc(port->fcs, resid_len);
4741 return;
4742 }
4743
4744 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4745 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4746
4747 switch (cthdr->cmd_rsp_code) {
4748
4749 case CT_RSP_ACCEPT:
4750
4751 port->stats.ns_gidft_accepts++;
4752 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4753 bfa_trc(port->fcs, n_pids);
4754 bfa_fcs_lport_ns_process_gidft_pids(port,
4755 (u32 *) (cthdr + 1),
4756 n_pids);
4757 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4758 break;
4759
4760 case CT_RSP_REJECT:
4761
4762 /*
4763 * Check the reason code & explanation.
4764 * There may not have been any FC4 devices in the fabric
4765 */
4766 port->stats.ns_gidft_rejects++;
4767 bfa_trc(port->fcs, cthdr->reason_code);
4768 bfa_trc(port->fcs, cthdr->exp_code);
4769
4770 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4771 && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4772
4773 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4774 } else {
4775 /*
4776 * for all other errors, retry
4777 */
4778 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4779 }
4780 break;
4781
4782 default:
4783 port->stats.ns_gidft_unknown_rsp++;
4784 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
4785 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4786 }
4787 }
4788
4789 /*
4790 * This routine will be called by bfa_timer on timer timeouts.
4791 *
4792 * param[in] port - pointer to bfa_fcs_lport_t.
4793 *
4794 * return
4795 * void
4796 *
4797 * Special Considerations:
4798 *
4799 * note
4800 */
4801 static void
4802 bfa_fcs_lport_ns_timeout(void *arg)
4803 {
4804 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
4805
4806 ns->port->stats.ns_timeouts++;
4807 bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
4808 }
4809
4810 /*
4811 * Process the PID list in GID_FT response
4812 */
4813 static void
4814 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
4815 u32 n_pids)
4816 {
4817 struct fcgs_gidft_resp_s *gidft_entry;
4818 struct bfa_fcs_rport_s *rport;
4819 u32 ii;
4820 struct bfa_fcs_fabric_s *fabric = port->fabric;
4821 struct bfa_fcs_vport_s *vport;
4822 struct list_head *qe;
4823 u8 found = 0;
4824
4825 for (ii = 0; ii < n_pids; ii++) {
4826 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
4827
4828 if (gidft_entry->pid == port->pid)
4829 continue;
4830
4831 /*
4832 * Ignore PID if it is of base port
4833 * (Avoid vports discovering base port as remote port)
4834 */
4835 if (gidft_entry->pid == fabric->bport.pid)
4836 continue;
4837
4838 /*
4839 * Ignore PID if it is of vport created on the same base port
4840 * (Avoid vport discovering every other vport created on the
4841 * same port as remote port)
4842 */
4843 list_for_each(qe, &fabric->vport_q) {
4844 vport = (struct bfa_fcs_vport_s *) qe;
4845 if (vport->lport.pid == gidft_entry->pid)
4846 found = 1;
4847 }
4848
4849 if (found) {
4850 found = 0;
4851 continue;
4852 }
4853
4854 /*
4855 * Check if this rport already exists
4856 */
4857 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
4858 if (rport == NULL) {
4859 /*
4860 * this is a new device. create rport
4861 */
4862 rport = bfa_fcs_rport_create(port, gidft_entry->pid);
4863 } else {
4864 /*
4865 * this rport already exists
4866 */
4867 bfa_fcs_rport_scn(rport);
4868 }
4869
4870 bfa_trc(port->fcs, gidft_entry->pid);
4871
4872 /*
4873 * if the last entry bit is set, bail out.
4874 */
4875 if (gidft_entry->last)
4876 return;
4877 }
4878 }
4879
4880 /*
4881 * fcs_ns_public FCS nameserver public interfaces
4882 */
4883
4884 /*
4885 * Functions called by port/fab.
4886 * These will send relevant Events to the ns state machine.
4887 */
4888 void
4889 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
4890 {
4891 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4892
4893 ns->port = port;
4894 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4895 }
4896
4897 void
4898 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
4899 {
4900 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4901
4902 ns->port = port;
4903 bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
4904 }
4905
4906 void
4907 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
4908 {
4909 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4910
4911 ns->port = port;
4912 bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
4913 }
4914
4915 void
4916 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
4917 {
4918 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4919
4920 bfa_trc(port->fcs, port->pid);
4921 if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
4922 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
4923 }
4924
4925 static void
4926 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
4927 {
4928
4929 struct bfa_fcs_rport_s *rport;
4930 u8 nwwns;
4931 wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
4932 int ii;
4933
4934 bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
4935
4936 for (ii = 0 ; ii < nwwns; ++ii) {
4937 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
4938 WARN_ON(!rport);
4939 }
4940 }
4941
4942 void
4943 bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
4944 {
4945 struct bfa_fcs_lport_ns_s *ns = cbarg;
4946 struct bfa_fcs_lport_s *port = ns->port;
4947 struct fchs_s fchs;
4948 struct bfa_fcxp_s *fcxp;
4949 u8 symbl[256];
4950 u8 *psymbl = &symbl[0];
4951 int len;
4952
4953 if (!bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
4954 return;
4955
4956 /* Avoid sending RSPN in the following states. */
4957 if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
4958 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
4959 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
4960 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
4961 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
4962 return;
4963
4964 memset(symbl, 0, sizeof(symbl));
4965 bfa_trc(port->fcs, port->port_cfg.pwwn);
4966
4967 fcxp = fcxp_alloced ? fcxp_alloced :
4968 bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
4969 if (!fcxp) {
4970 port->stats.ns_rspnid_alloc_wait++;
4971 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4972 bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
4973 return;
4974 }
4975
4976 ns->fcxp = fcxp;
4977
4978 if (port->vport) {
4979 /*
4980 * For Vports, we append the vport's port symbolic name
4981 * to that of the base port.
4982 */
4983 strncpy((char *)psymbl, (char *)&(bfa_fcs_lport_get_psym_name
4984 (bfa_fcs_get_base_port(port->fcs))),
4985 strlen((char *)&bfa_fcs_lport_get_psym_name(
4986 bfa_fcs_get_base_port(port->fcs))));
4987
4988 /* Ensure we have a null terminating string. */
4989 ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name(
4990 bfa_fcs_get_base_port(port->fcs)))] = 0;
4991
4992 strncat((char *)psymbl,
4993 (char *)&(bfa_fcs_lport_get_psym_name(port)),
4994 strlen((char *)&bfa_fcs_lport_get_psym_name(port)));
4995 }
4996
4997 len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4998 bfa_fcs_lport_get_fcid(port), 0, psymbl);
4999
5000 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5001 FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
5002
5003 port->stats.ns_rspnid_sent++;
5004 }
5005
5006 /*
5007 * FCS SCN
5008 */
5009
5010 #define FC_QOS_RSCN_EVENT 0x0c
5011 #define FC_FABRIC_NAME_RSCN_EVENT 0x0d
5012
5013 /*
5014 * forward declarations
5015 */
5016 static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
5017 struct bfa_fcxp_s *fcxp_alloced);
5018 static void bfa_fcs_lport_scn_scr_response(void *fcsarg,
5019 struct bfa_fcxp_s *fcxp,
5020 void *cbarg,
5021 bfa_status_t req_status,
5022 u32 rsp_len,
5023 u32 resid_len,
5024 struct fchs_s *rsp_fchs);
5025 static void bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5026 struct fchs_s *rx_fchs);
5027 static void bfa_fcs_lport_scn_timeout(void *arg);
5028
5029 /*
5030 * fcs_scm_sm FCS SCN state machine
5031 */
5032
5033 /*
5034 * VPort SCN State Machine events
5035 */
5036 enum port_scn_event {
5037 SCNSM_EVENT_PORT_ONLINE = 1,
5038 SCNSM_EVENT_PORT_OFFLINE = 2,
5039 SCNSM_EVENT_RSP_OK = 3,
5040 SCNSM_EVENT_RSP_ERROR = 4,
5041 SCNSM_EVENT_TIMEOUT = 5,
5042 SCNSM_EVENT_SCR_SENT = 6,
5043 };
5044
5045 static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5046 enum port_scn_event event);
5047 static void bfa_fcs_lport_scn_sm_sending_scr(
5048 struct bfa_fcs_lport_scn_s *scn,
5049 enum port_scn_event event);
5050 static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5051 enum port_scn_event event);
5052 static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5053 enum port_scn_event event);
5054 static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5055 enum port_scn_event event);
5056
5057 /*
5058 * Starting state - awaiting link up.
5059 */
5060 static void
5061 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5062 enum port_scn_event event)
5063 {
5064 switch (event) {
5065 case SCNSM_EVENT_PORT_ONLINE:
5066 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5067 bfa_fcs_lport_scn_send_scr(scn, NULL);
5068 break;
5069
5070 case SCNSM_EVENT_PORT_OFFLINE:
5071 break;
5072
5073 default:
5074 bfa_sm_fault(scn->port->fcs, event);
5075 }
5076 }
5077
5078 static void
5079 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
5080 enum port_scn_event event)
5081 {
5082 switch (event) {
5083 case SCNSM_EVENT_SCR_SENT:
5084 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
5085 break;
5086
5087 case SCNSM_EVENT_PORT_OFFLINE:
5088 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5089 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
5090 break;
5091
5092 default:
5093 bfa_sm_fault(scn->port->fcs, event);
5094 }
5095 }
5096
5097 static void
5098 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5099 enum port_scn_event event)
5100 {
5101 struct bfa_fcs_lport_s *port = scn->port;
5102
5103 switch (event) {
5104 case SCNSM_EVENT_RSP_OK:
5105 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
5106 break;
5107
5108 case SCNSM_EVENT_RSP_ERROR:
5109 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
5110 bfa_timer_start(port->fcs->bfa, &scn->timer,
5111 bfa_fcs_lport_scn_timeout, scn,
5112 BFA_FCS_RETRY_TIMEOUT);
5113 break;
5114
5115 case SCNSM_EVENT_PORT_OFFLINE:
5116 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5117 bfa_fcxp_discard(scn->fcxp);
5118 break;
5119
5120 default:
5121 bfa_sm_fault(port->fcs, event);
5122 }
5123 }
5124
5125 static void
5126 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5127 enum port_scn_event event)
5128 {
5129 switch (event) {
5130 case SCNSM_EVENT_TIMEOUT:
5131 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5132 bfa_fcs_lport_scn_send_scr(scn, NULL);
5133 break;
5134
5135 case SCNSM_EVENT_PORT_OFFLINE:
5136 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5137 bfa_timer_stop(&scn->timer);
5138 break;
5139
5140 default:
5141 bfa_sm_fault(scn->port->fcs, event);
5142 }
5143 }
5144
5145 static void
5146 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5147 enum port_scn_event event)
5148 {
5149 switch (event) {
5150 case SCNSM_EVENT_PORT_OFFLINE:
5151 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5152 break;
5153
5154 default:
5155 bfa_sm_fault(scn->port->fcs, event);
5156 }
5157 }
5158
5159
5160
5161 /*
5162 * fcs_scn_private FCS SCN private functions
5163 */
5164
5165 /*
5166 * This routine will be called to send a SCR command.
5167 */
5168 static void
5169 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
5170 {
5171 struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
5172 struct bfa_fcs_lport_s *port = scn->port;
5173 struct fchs_s fchs;
5174 int len;
5175 struct bfa_fcxp_s *fcxp;
5176
5177 bfa_trc(port->fcs, port->pid);
5178 bfa_trc(port->fcs, port->port_cfg.pwwn);
5179
5180 fcxp = fcxp_alloced ? fcxp_alloced :
5181 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
5182 if (!fcxp) {
5183 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
5184 bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
5185 return;
5186 }
5187 scn->fcxp = fcxp;
5188
5189 /* Handle VU registrations for Base port only */
5190 if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
5191 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5192 port->fabric->lps->brcd_switch,
5193 port->pid, 0);
5194 } else {
5195 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5196 BFA_FALSE,
5197 port->pid, 0);
5198 }
5199
5200 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5201 FC_CLASS_3, len, &fchs,
5202 bfa_fcs_lport_scn_scr_response,
5203 (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
5204
5205 bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
5206 }
5207
5208 static void
5209 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
5210 void *cbarg, bfa_status_t req_status, u32 rsp_len,
5211 u32 resid_len, struct fchs_s *rsp_fchs)
5212 {
5213 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
5214 struct bfa_fcs_lport_s *port = scn->port;
5215 struct fc_els_cmd_s *els_cmd;
5216 struct fc_ls_rjt_s *ls_rjt;
5217
5218 bfa_trc(port->fcs, port->port_cfg.pwwn);
5219
5220 /*
5221 * Sanity Checks
5222 */
5223 if (req_status != BFA_STATUS_OK) {
5224 bfa_trc(port->fcs, req_status);
5225 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5226 return;
5227 }
5228
5229 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
5230
5231 switch (els_cmd->els_code) {
5232
5233 case FC_ELS_ACC:
5234 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
5235 break;
5236
5237 case FC_ELS_LS_RJT:
5238
5239 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
5240
5241 bfa_trc(port->fcs, ls_rjt->reason_code);
5242 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
5243
5244 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5245 break;
5246
5247 default:
5248 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5249 }
5250 }
5251
5252 /*
5253 * Send a LS Accept
5254 */
5255 static void
5256 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5257 struct fchs_s *rx_fchs)
5258 {
5259 struct fchs_s fchs;
5260 struct bfa_fcxp_s *fcxp;
5261 struct bfa_rport_s *bfa_rport = NULL;
5262 int len;
5263
5264 bfa_trc(port->fcs, rx_fchs->s_id);
5265
5266 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5267 if (!fcxp)
5268 return;
5269
5270 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5271 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
5272 rx_fchs->ox_id);
5273
5274 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
5275 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
5276 FC_MAX_PDUSZ, 0);
5277 }
5278
5279 /*
5280 * This routine will be called by bfa_timer on timer timeouts.
5281 *
5282 * param[in] vport - pointer to bfa_fcs_lport_t.
5283 * param[out] vport_status - pointer to return vport status in
5284 *
5285 * return
5286 * void
5287 *
5288 * Special Considerations:
5289 *
5290 * note
5291 */
5292 static void
5293 bfa_fcs_lport_scn_timeout(void *arg)
5294 {
5295 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
5296
5297 bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
5298 }
5299
5300
5301
5302 /*
5303 * fcs_scn_public FCS state change notification public interfaces
5304 */
5305
5306 /*
5307 * Functions called by port/fab
5308 */
5309 void
5310 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
5311 {
5312 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5313
5314 scn->port = port;
5315 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5316 }
5317
5318 void
5319 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
5320 {
5321 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5322
5323 scn->port = port;
5324 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
5325 }
5326
5327 void
5328 bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
5329 {
5330 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5331
5332 scn->port = port;
5333 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
5334 }
5335
5336 static void
5337 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
5338 {
5339 struct bfa_fcs_rport_s *rport;
5340 struct bfa_fcs_fabric_s *fabric = port->fabric;
5341 struct bfa_fcs_vport_s *vport;
5342 struct list_head *qe;
5343
5344 bfa_trc(port->fcs, rpid);
5345
5346 /*
5347 * Ignore PID if it is of base port or of vports created on the
5348 * same base port. It is to avoid vports discovering base port or
5349 * other vports created on same base port as remote port
5350 */
5351 if (rpid == fabric->bport.pid)
5352 return;
5353
5354 list_for_each(qe, &fabric->vport_q) {
5355 vport = (struct bfa_fcs_vport_s *) qe;
5356 if (vport->lport.pid == rpid)
5357 return;
5358 }
5359 /*
5360 * If this is an unknown device, then it just came online.
5361 * Otherwise let rport handle the RSCN event.
5362 */
5363 rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
5364 if (!rport)
5365 rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
5366
5367 if (rport == NULL) {
5368 /*
5369 * If min cfg mode is enabled, we donot need to
5370 * discover any new rports.
5371 */
5372 if (!__fcs_min_cfg(port->fcs))
5373 rport = bfa_fcs_rport_create(port, rpid);
5374 } else
5375 bfa_fcs_rport_scn(rport);
5376 }
5377
5378 /*
5379 * rscn format based PID comparison
5380 */
5381 #define __fc_pid_match(__c0, __c1, __fmt) \
5382 (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \
5383 (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \
5384 ((__c0)[0] == (__c1)[0])) || \
5385 (((__fmt) == FC_RSCN_FORMAT_AREA) && \
5386 ((__c0)[0] == (__c1)[0]) && \
5387 ((__c0)[1] == (__c1)[1])))
5388
5389 static void
5390 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
5391 enum fc_rscn_format format,
5392 u32 rscn_pid)
5393 {
5394 struct bfa_fcs_rport_s *rport;
5395 struct list_head *qe, *qe_next;
5396 u8 *c0, *c1;
5397
5398 bfa_trc(port->fcs, format);
5399 bfa_trc(port->fcs, rscn_pid);
5400
5401 c0 = (u8 *) &rscn_pid;
5402
5403 list_for_each_safe(qe, qe_next, &port->rport_q) {
5404 rport = (struct bfa_fcs_rport_s *) qe;
5405 c1 = (u8 *) &rport->pid;
5406 if (__fc_pid_match(c0, c1, format))
5407 bfa_fcs_rport_scn(rport);
5408 }
5409 }
5410
5411
5412 void
5413 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
5414 struct fchs_s *fchs, u32 len)
5415 {
5416 struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
5417 int num_entries;
5418 u32 rscn_pid;
5419 bfa_boolean_t nsquery = BFA_FALSE, found;
5420 int i = 0, j;
5421
5422 num_entries =
5423 (be16_to_cpu(rscn->payldlen) -
5424 sizeof(u32)) / sizeof(rscn->event[0]);
5425
5426 bfa_trc(port->fcs, num_entries);
5427
5428 port->stats.num_rscn++;
5429
5430 bfa_fcs_lport_scn_send_ls_acc(port, fchs);
5431
5432 for (i = 0; i < num_entries; i++) {
5433 rscn_pid = rscn->event[i].portid;
5434
5435 bfa_trc(port->fcs, rscn->event[i].format);
5436 bfa_trc(port->fcs, rscn_pid);
5437
5438 /* check for duplicate entries in the list */
5439 found = BFA_FALSE;
5440 for (j = 0; j < i; j++) {
5441 if (rscn->event[j].portid == rscn_pid) {
5442 found = BFA_TRUE;
5443 break;
5444 }
5445 }
5446
5447 /* if found in down the list, pid has been already processed */
5448 if (found) {
5449 bfa_trc(port->fcs, rscn_pid);
5450 continue;
5451 }
5452
5453 switch (rscn->event[i].format) {
5454 case FC_RSCN_FORMAT_PORTID:
5455 if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
5456 /*
5457 * Ignore this event.
5458 * f/w would have processed it
5459 */
5460 bfa_trc(port->fcs, rscn_pid);
5461 } else {
5462 port->stats.num_portid_rscn++;
5463 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
5464 }
5465 break;
5466
5467 case FC_RSCN_FORMAT_FABRIC:
5468 if (rscn->event[i].qualifier ==
5469 FC_FABRIC_NAME_RSCN_EVENT) {
5470 bfa_fcs_lport_ms_fabric_rscn(port);
5471 break;
5472 }
5473 /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
5474
5475 case FC_RSCN_FORMAT_AREA:
5476 case FC_RSCN_FORMAT_DOMAIN:
5477 nsquery = BFA_TRUE;
5478 bfa_fcs_lport_scn_multiport_rscn(port,
5479 rscn->event[i].format,
5480 rscn_pid);
5481 break;
5482
5483
5484 default:
5485 WARN_ON(1);
5486 nsquery = BFA_TRUE;
5487 }
5488 }
5489
5490 /*
5491 * If any of area, domain or fabric RSCN is received, do a fresh
5492 * discovery to find new devices.
5493 */
5494 if (nsquery)
5495 bfa_fcs_lport_ns_query(port);
5496 }
5497
5498 /*
5499 * BFA FCS port
5500 */
5501 /*
5502 * fcs_port_api BFA FCS port API
5503 */
5504 struct bfa_fcs_lport_s *
5505 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
5506 {
5507 return &fcs->fabric.bport;
5508 }
5509
5510 wwn_t
5511 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
5512 int nrports, bfa_boolean_t bwwn)
5513 {
5514 struct list_head *qh, *qe;
5515 struct bfa_fcs_rport_s *rport = NULL;
5516 int i;
5517 struct bfa_fcs_s *fcs;
5518
5519 if (port == NULL || nrports == 0)
5520 return (wwn_t) 0;
5521
5522 fcs = port->fcs;
5523 bfa_trc(fcs, (u32) nrports);
5524
5525 i = 0;
5526 qh = &port->rport_q;
5527 qe = bfa_q_first(qh);
5528
5529 while ((qe != qh) && (i < nrports)) {
5530 rport = (struct bfa_fcs_rport_s *) qe;
5531 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5532 qe = bfa_q_next(qe);
5533 bfa_trc(fcs, (u32) rport->pwwn);
5534 bfa_trc(fcs, rport->pid);
5535 bfa_trc(fcs, i);
5536 continue;
5537 }
5538
5539 if (bwwn) {
5540 if (!memcmp(&wwn, &rport->pwwn, 8))
5541 break;
5542 } else {
5543 if (i == index)
5544 break;
5545 }
5546
5547 i++;
5548 qe = bfa_q_next(qe);
5549 }
5550
5551 bfa_trc(fcs, i);
5552 if (rport)
5553 return rport->pwwn;
5554 else
5555 return (wwn_t) 0;
5556 }
5557
5558 void
5559 bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
5560 struct bfa_rport_qualifier_s rports[], int *nrports)
5561 {
5562 struct list_head *qh, *qe;
5563 struct bfa_fcs_rport_s *rport = NULL;
5564 int i;
5565 struct bfa_fcs_s *fcs;
5566
5567 if (port == NULL || rports == NULL || *nrports == 0)
5568 return;
5569
5570 fcs = port->fcs;
5571 bfa_trc(fcs, (u32) *nrports);
5572
5573 i = 0;
5574 qh = &port->rport_q;
5575 qe = bfa_q_first(qh);
5576
5577 while ((qe != qh) && (i < *nrports)) {
5578 rport = (struct bfa_fcs_rport_s *) qe;
5579 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5580 qe = bfa_q_next(qe);
5581 bfa_trc(fcs, (u32) rport->pwwn);
5582 bfa_trc(fcs, rport->pid);
5583 bfa_trc(fcs, i);
5584 continue;
5585 }
5586
5587 if (!rport->pwwn && !rport->pid) {
5588 qe = bfa_q_next(qe);
5589 continue;
5590 }
5591
5592 rports[i].pwwn = rport->pwwn;
5593 rports[i].pid = rport->pid;
5594
5595 i++;
5596 qe = bfa_q_next(qe);
5597 }
5598
5599 bfa_trc(fcs, i);
5600 *nrports = i;
5601 }
5602
5603 /*
5604 * Iterate's through all the rport's in the given port to
5605 * determine the maximum operating speed.
5606 *
5607 * !!!! To be used in TRL Functionality only !!!!
5608 */
5609 bfa_port_speed_t
5610 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
5611 {
5612 struct list_head *qh, *qe;
5613 struct bfa_fcs_rport_s *rport = NULL;
5614 struct bfa_fcs_s *fcs;
5615 bfa_port_speed_t max_speed = 0;
5616 struct bfa_port_attr_s port_attr;
5617 bfa_port_speed_t port_speed, rport_speed;
5618 bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
5619
5620
5621 if (port == NULL)
5622 return 0;
5623
5624 fcs = port->fcs;
5625
5626 /* Get Physical port's current speed */
5627 bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
5628 port_speed = port_attr.speed;
5629 bfa_trc(fcs, port_speed);
5630
5631 qh = &port->rport_q;
5632 qe = bfa_q_first(qh);
5633
5634 while (qe != qh) {
5635 rport = (struct bfa_fcs_rport_s *) qe;
5636 if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
5637 (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
5638 (rport->scsi_function != BFA_RPORT_TARGET)) {
5639 qe = bfa_q_next(qe);
5640 continue;
5641 }
5642
5643 rport_speed = rport->rpf.rpsc_speed;
5644 if ((trl_enabled) && (rport_speed ==
5645 BFA_PORT_SPEED_UNKNOWN)) {
5646 /* Use default ratelim speed setting */
5647 rport_speed =
5648 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
5649 }
5650
5651 if (rport_speed > max_speed)
5652 max_speed = rport_speed;
5653
5654 qe = bfa_q_next(qe);
5655 }
5656
5657 if (max_speed > port_speed)
5658 max_speed = port_speed;
5659
5660 bfa_trc(fcs, max_speed);
5661 return max_speed;
5662 }
5663
5664 struct bfa_fcs_lport_s *
5665 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
5666 {
5667 struct bfa_fcs_vport_s *vport;
5668 bfa_fcs_vf_t *vf;
5669
5670 WARN_ON(fcs == NULL);
5671
5672 vf = bfa_fcs_vf_lookup(fcs, vf_id);
5673 if (vf == NULL) {
5674 bfa_trc(fcs, vf_id);
5675 return NULL;
5676 }
5677
5678 if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
5679 return &vf->bport;
5680
5681 vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
5682 if (vport)
5683 return &vport->lport;
5684
5685 return NULL;
5686 }
5687
5688 /*
5689 * API corresponding to NPIV_VPORT_GETINFO.
5690 */
5691 void
5692 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
5693 struct bfa_lport_info_s *port_info)
5694 {
5695
5696 bfa_trc(port->fcs, port->fabric->fabric_name);
5697
5698 if (port->vport == NULL) {
5699 /*
5700 * This is a Physical port
5701 */
5702 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
5703
5704 /*
5705 * @todo : need to fix the state & reason
5706 */
5707 port_info->port_state = 0;
5708 port_info->offline_reason = 0;
5709
5710 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5711 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5712
5713 port_info->max_vports_supp =
5714 bfa_lps_get_max_vport(port->fcs->bfa);
5715 port_info->num_vports_inuse =
5716 port->fabric->num_vports;
5717 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
5718 port_info->num_rports_inuse = port->num_rports;
5719 } else {
5720 /*
5721 * This is a virtual port
5722 */
5723 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
5724
5725 /*
5726 * @todo : need to fix the state & reason
5727 */
5728 port_info->port_state = 0;
5729 port_info->offline_reason = 0;
5730
5731 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5732 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5733 }
5734 }
5735
5736 void
5737 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
5738 struct bfa_lport_stats_s *port_stats)
5739 {
5740 *port_stats = fcs_port->stats;
5741 }
5742
5743 void
5744 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
5745 {
5746 memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
5747 }
5748
5749 /*
5750 * Let new loop map create missing rports
5751 */
5752 void
5753 bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
5754 {
5755 bfa_fcs_lport_loop_online(port);
5756 }
5757
5758 /*
5759 * FCS virtual port state machine
5760 */
5761
5762 #define __vport_fcs(__vp) ((__vp)->lport.fcs)
5763 #define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
5764 #define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
5765 #define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
5766 #define __vport_fcid(__vp) ((__vp)->lport.pid)
5767 #define __vport_fabric(__vp) ((__vp)->lport.fabric)
5768 #define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
5769
5770 #define BFA_FCS_VPORT_MAX_RETRIES 5
5771 /*
5772 * Forward declarations
5773 */
5774 static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
5775 static void bfa_fcs_vport_timeout(void *vport_arg);
5776 static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
5777 static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
5778
5779 /*
5780 * fcs_vport_sm FCS virtual port state machine
5781 */
5782
5783 /*
5784 * VPort State Machine events
5785 */
5786 enum bfa_fcs_vport_event {
5787 BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
5788 BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
5789 BFA_FCS_VPORT_SM_START = 3, /* vport start request */
5790 BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
5791 BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
5792 BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
5793 BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
5794 BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
5795 BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
5796 BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
5797 BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
5798 BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/
5799 BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
5800 BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
5801 };
5802
5803 static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5804 enum bfa_fcs_vport_event event);
5805 static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5806 enum bfa_fcs_vport_event event);
5807 static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5808 enum bfa_fcs_vport_event event);
5809 static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
5810 enum bfa_fcs_vport_event event);
5811 static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
5812 enum bfa_fcs_vport_event event);
5813 static void bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
5814 enum bfa_fcs_vport_event event);
5815 static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
5816 enum bfa_fcs_vport_event event);
5817 static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
5818 enum bfa_fcs_vport_event event);
5819 static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
5820 enum bfa_fcs_vport_event event);
5821 static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
5822 enum bfa_fcs_vport_event event);
5823 static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
5824 enum bfa_fcs_vport_event event);
5825 static void bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
5826 enum bfa_fcs_vport_event event);
5827 static void bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
5828 enum bfa_fcs_vport_event event);
5829
5830 static struct bfa_sm_table_s vport_sm_table[] = {
5831 {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
5832 {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
5833 {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
5834 {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
5835 {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
5836 {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
5837 {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
5838 {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
5839 {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
5840 {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
5841 {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
5842 };
5843
5844 /*
5845 * Beginning state.
5846 */
5847 static void
5848 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5849 enum bfa_fcs_vport_event event)
5850 {
5851 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5852 bfa_trc(__vport_fcs(vport), event);
5853
5854 switch (event) {
5855 case BFA_FCS_VPORT_SM_CREATE:
5856 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
5857 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
5858 break;
5859
5860 default:
5861 bfa_sm_fault(__vport_fcs(vport), event);
5862 }
5863 }
5864
5865 /*
5866 * Created state - a start event is required to start up the state machine.
5867 */
5868 static void
5869 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5870 enum bfa_fcs_vport_event event)
5871 {
5872 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5873 bfa_trc(__vport_fcs(vport), event);
5874
5875 switch (event) {
5876 case BFA_FCS_VPORT_SM_START:
5877 if (bfa_sm_cmp_state(__vport_fabric(vport),
5878 bfa_fcs_fabric_sm_online)
5879 && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
5880 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5881 bfa_fcs_vport_do_fdisc(vport);
5882 } else {
5883 /*
5884 * Fabric is offline or not NPIV capable, stay in
5885 * offline state.
5886 */
5887 vport->vport_stats.fab_no_npiv++;
5888 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5889 }
5890 break;
5891
5892 case BFA_FCS_VPORT_SM_DELETE:
5893 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5894 bfa_fcs_lport_delete(&vport->lport);
5895 break;
5896
5897 case BFA_FCS_VPORT_SM_ONLINE:
5898 case BFA_FCS_VPORT_SM_OFFLINE:
5899 /*
5900 * Ignore ONLINE/OFFLINE events from fabric
5901 * till vport is started.
5902 */
5903 break;
5904
5905 default:
5906 bfa_sm_fault(__vport_fcs(vport), event);
5907 }
5908 }
5909
5910 /*
5911 * Offline state - awaiting ONLINE event from fabric SM.
5912 */
5913 static void
5914 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5915 enum bfa_fcs_vport_event event)
5916 {
5917 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5918 bfa_trc(__vport_fcs(vport), event);
5919
5920 switch (event) {
5921 case BFA_FCS_VPORT_SM_DELETE:
5922 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5923 bfa_fcs_lport_delete(&vport->lport);
5924 break;
5925
5926 case BFA_FCS_VPORT_SM_ONLINE:
5927 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5928 vport->fdisc_retries = 0;
5929 bfa_fcs_vport_do_fdisc(vport);
5930 break;
5931
5932 case BFA_FCS_VPORT_SM_STOP:
5933 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5934 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
5935 break;
5936
5937 case BFA_FCS_VPORT_SM_OFFLINE:
5938 /*
5939 * This can happen if the vport couldn't be initialzied
5940 * due the fact that the npiv was not enabled on the switch.
5941 * In that case we will put the vport in offline state.
5942 * However, the link can go down and cause the this event to
5943 * be sent when we are already offline. Ignore it.
5944 */
5945 break;
5946
5947 default:
5948 bfa_sm_fault(__vport_fcs(vport), event);
5949 }
5950 }
5951
5952
5953 /*
5954 * FDISC is sent and awaiting reply from fabric.
5955 */
5956 static void
5957 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
5958 enum bfa_fcs_vport_event event)
5959 {
5960 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5961 bfa_trc(__vport_fcs(vport), event);
5962
5963 switch (event) {
5964 case BFA_FCS_VPORT_SM_DELETE:
5965 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
5966 break;
5967
5968 case BFA_FCS_VPORT_SM_OFFLINE:
5969 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5970 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
5971 break;
5972
5973 case BFA_FCS_VPORT_SM_RSP_OK:
5974 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
5975 bfa_fcs_lport_online(&vport->lport);
5976 break;
5977
5978 case BFA_FCS_VPORT_SM_RSP_ERROR:
5979 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
5980 bfa_timer_start(__vport_bfa(vport), &vport->timer,
5981 bfa_fcs_vport_timeout, vport,
5982 BFA_FCS_RETRY_TIMEOUT);
5983 break;
5984
5985 case BFA_FCS_VPORT_SM_RSP_FAILED:
5986 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5987 break;
5988
5989 case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
5990 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
5991 break;
5992
5993 default:
5994 bfa_sm_fault(__vport_fcs(vport), event);
5995 }
5996 }
5997
5998 /*
5999 * FDISC attempt failed - a timer is active to retry FDISC.
6000 */
6001 static void
6002 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6003 enum bfa_fcs_vport_event event)
6004 {
6005 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6006 bfa_trc(__vport_fcs(vport), event);
6007
6008 switch (event) {
6009 case BFA_FCS_VPORT_SM_DELETE:
6010 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6011 bfa_timer_stop(&vport->timer);
6012 bfa_fcs_lport_delete(&vport->lport);
6013 break;
6014
6015 case BFA_FCS_VPORT_SM_OFFLINE:
6016 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6017 bfa_timer_stop(&vport->timer);
6018 break;
6019
6020 case BFA_FCS_VPORT_SM_TIMEOUT:
6021 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6022 vport->vport_stats.fdisc_retries++;
6023 vport->fdisc_retries++;
6024 bfa_fcs_vport_do_fdisc(vport);
6025 break;
6026
6027 default:
6028 bfa_sm_fault(__vport_fcs(vport), event);
6029 }
6030 }
6031
6032 /*
6033 * FDISC is in progress and we got a vport delete request -
6034 * this is a wait state while we wait for fdisc response and
6035 * we will transition to the appropriate state - on rsp status.
6036 */
6037 static void
6038 bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6039 enum bfa_fcs_vport_event event)
6040 {
6041 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6042 bfa_trc(__vport_fcs(vport), event);
6043
6044 switch (event) {
6045 case BFA_FCS_VPORT_SM_RSP_OK:
6046 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6047 bfa_fcs_lport_delete(&vport->lport);
6048 break;
6049
6050 case BFA_FCS_VPORT_SM_DELETE:
6051 break;
6052
6053 case BFA_FCS_VPORT_SM_OFFLINE:
6054 case BFA_FCS_VPORT_SM_RSP_ERROR:
6055 case BFA_FCS_VPORT_SM_RSP_FAILED:
6056 case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6057 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6058 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6059 bfa_fcs_lport_delete(&vport->lport);
6060 break;
6061
6062 default:
6063 bfa_sm_fault(__vport_fcs(vport), event);
6064 }
6065 }
6066
6067 /*
6068 * Vport is online (FDISC is complete).
6069 */
6070 static void
6071 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6072 enum bfa_fcs_vport_event event)
6073 {
6074 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6075 bfa_trc(__vport_fcs(vport), event);
6076
6077 switch (event) {
6078 case BFA_FCS_VPORT_SM_DELETE:
6079 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6080 bfa_fcs_lport_delete(&vport->lport);
6081 break;
6082
6083 case BFA_FCS_VPORT_SM_STOP:
6084 bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
6085 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6086 break;
6087
6088 case BFA_FCS_VPORT_SM_OFFLINE:
6089 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6090 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6091 bfa_fcs_lport_offline(&vport->lport);
6092 break;
6093
6094 default:
6095 bfa_sm_fault(__vport_fcs(vport), event);
6096 }
6097 }
6098
6099 /*
6100 * Vport is being stopped - awaiting lport stop completion to send
6101 * LOGO to fabric.
6102 */
6103 static void
6104 bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6105 enum bfa_fcs_vport_event event)
6106 {
6107 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6108 bfa_trc(__vport_fcs(vport), event);
6109
6110 switch (event) {
6111 case BFA_FCS_VPORT_SM_STOPCOMP:
6112 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
6113 bfa_fcs_vport_do_logo(vport);
6114 break;
6115
6116 case BFA_FCS_VPORT_SM_OFFLINE:
6117 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6118 break;
6119
6120 default:
6121 bfa_sm_fault(__vport_fcs(vport), event);
6122 }
6123 }
6124
6125 /*
6126 * Vport is being deleted - awaiting lport delete completion to send
6127 * LOGO to fabric.
6128 */
6129 static void
6130 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6131 enum bfa_fcs_vport_event event)
6132 {
6133 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6134 bfa_trc(__vport_fcs(vport), event);
6135
6136 switch (event) {
6137 case BFA_FCS_VPORT_SM_DELETE:
6138 break;
6139
6140 case BFA_FCS_VPORT_SM_DELCOMP:
6141 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
6142 bfa_fcs_vport_do_logo(vport);
6143 break;
6144
6145 case BFA_FCS_VPORT_SM_OFFLINE:
6146 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6147 break;
6148
6149 default:
6150 bfa_sm_fault(__vport_fcs(vport), event);
6151 }
6152 }
6153
6154 /*
6155 * Error State.
6156 * This state will be set when the Vport Creation fails due
6157 * to errors like Dup WWN. In this state only operation allowed
6158 * is a Vport Delete.
6159 */
6160 static void
6161 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6162 enum bfa_fcs_vport_event event)
6163 {
6164 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6165 bfa_trc(__vport_fcs(vport), event);
6166
6167 switch (event) {
6168 case BFA_FCS_VPORT_SM_DELETE:
6169 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6170 bfa_fcs_lport_delete(&vport->lport);
6171 break;
6172
6173 default:
6174 bfa_trc(__vport_fcs(vport), event);
6175 }
6176 }
6177
6178 /*
6179 * Lport cleanup is in progress since vport is being deleted. Fabric is
6180 * offline, so no LOGO is needed to complete vport deletion.
6181 */
6182 static void
6183 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6184 enum bfa_fcs_vport_event event)
6185 {
6186 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6187 bfa_trc(__vport_fcs(vport), event);
6188
6189 switch (event) {
6190 case BFA_FCS_VPORT_SM_DELCOMP:
6191 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6192 bfa_fcs_vport_free(vport);
6193 break;
6194
6195 case BFA_FCS_VPORT_SM_STOPCOMP:
6196 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6197 break;
6198
6199 case BFA_FCS_VPORT_SM_DELETE:
6200 break;
6201
6202 default:
6203 bfa_sm_fault(__vport_fcs(vport), event);
6204 }
6205 }
6206
6207 /*
6208 * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
6209 * is done.
6210 */
6211 static void
6212 bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6213 enum bfa_fcs_vport_event event)
6214 {
6215 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6216 bfa_trc(__vport_fcs(vport), event);
6217
6218 switch (event) {
6219 case BFA_FCS_VPORT_SM_OFFLINE:
6220 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6221 /*
6222 * !!! fall through !!!
6223 */
6224
6225 case BFA_FCS_VPORT_SM_RSP_OK:
6226 case BFA_FCS_VPORT_SM_RSP_ERROR:
6227 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6228 break;
6229
6230 default:
6231 bfa_sm_fault(__vport_fcs(vport), event);
6232 }
6233 }
6234
6235 /*
6236 * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
6237 * is done.
6238 */
6239 static void
6240 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6241 enum bfa_fcs_vport_event event)
6242 {
6243 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6244 bfa_trc(__vport_fcs(vport), event);
6245
6246 switch (event) {
6247 case BFA_FCS_VPORT_SM_OFFLINE:
6248 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6249 /*
6250 * !!! fall through !!!
6251 */
6252
6253 case BFA_FCS_VPORT_SM_RSP_OK:
6254 case BFA_FCS_VPORT_SM_RSP_ERROR:
6255 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6256 bfa_fcs_vport_free(vport);
6257 break;
6258
6259 case BFA_FCS_VPORT_SM_DELETE:
6260 break;
6261
6262 default:
6263 bfa_sm_fault(__vport_fcs(vport), event);
6264 }
6265 }
6266
6267
6268
6269 /*
6270 * fcs_vport_private FCS virtual port private functions
6271 */
6272 /*
6273 * Send AEN notification
6274 */
6275 static void
6276 bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
6277 enum bfa_lport_aen_event event)
6278 {
6279 struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
6280 struct bfa_aen_entry_s *aen_entry;
6281
6282 bfad_get_aen_entry(bfad, aen_entry);
6283 if (!aen_entry)
6284 return;
6285
6286 aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
6287 aen_entry->aen_data.lport.roles = port->port_cfg.roles;
6288 aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
6289 bfa_fcs_get_base_port(port->fcs));
6290 aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
6291
6292 /* Send the AEN notification */
6293 bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
6294 BFA_AEN_CAT_LPORT, event);
6295 }
6296
6297 /*
6298 * This routine will be called to send a FDISC command.
6299 */
6300 static void
6301 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
6302 {
6303 bfa_lps_fdisc(vport->lps, vport,
6304 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
6305 __vport_pwwn(vport), __vport_nwwn(vport));
6306 vport->vport_stats.fdisc_sent++;
6307 }
6308
6309 static void
6310 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
6311 {
6312 u8 lsrjt_rsn = vport->lps->lsrjt_rsn;
6313 u8 lsrjt_expl = vport->lps->lsrjt_expl;
6314
6315 bfa_trc(__vport_fcs(vport), lsrjt_rsn);
6316 bfa_trc(__vport_fcs(vport), lsrjt_expl);
6317
6318 /* For certain reason codes, we don't want to retry. */
6319 switch (vport->lps->lsrjt_expl) {
6320 case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
6321 case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
6322 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6323 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6324 else {
6325 bfa_fcs_vport_aen_post(&vport->lport,
6326 BFA_LPORT_AEN_NPIV_DUP_WWN);
6327 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
6328 }
6329 break;
6330
6331 case FC_LS_RJT_EXP_INSUFF_RES:
6332 /*
6333 * This means max logins per port/switch setting on the
6334 * switch was exceeded.
6335 */
6336 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6337 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6338 else {
6339 bfa_fcs_vport_aen_post(&vport->lport,
6340 BFA_LPORT_AEN_NPIV_FABRIC_MAX);
6341 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6342 }
6343 break;
6344
6345 default:
6346 if (vport->fdisc_retries == 0)
6347 bfa_fcs_vport_aen_post(&vport->lport,
6348 BFA_LPORT_AEN_NPIV_UNKNOWN);
6349 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6350 }
6351 }
6352
6353 /*
6354 * Called to send a logout to the fabric. Used when a V-Port is
6355 * deleted/stopped.
6356 */
6357 static void
6358 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
6359 {
6360 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6361
6362 vport->vport_stats.logo_sent++;
6363 bfa_lps_fdisclogo(vport->lps);
6364 }
6365
6366
6367 /*
6368 * This routine will be called by bfa_timer on timer timeouts.
6369 *
6370 * param[in] vport - pointer to bfa_fcs_vport_t.
6371 * param[out] vport_status - pointer to return vport status in
6372 *
6373 * return
6374 * void
6375 *
6376 * Special Considerations:
6377 *
6378 * note
6379 */
6380 static void
6381 bfa_fcs_vport_timeout(void *vport_arg)
6382 {
6383 struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
6384
6385 vport->vport_stats.fdisc_timeouts++;
6386 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
6387 }
6388
6389 static void
6390 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
6391 {
6392 struct bfad_vport_s *vport_drv =
6393 (struct bfad_vport_s *)vport->vport_drv;
6394
6395 bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
6396 bfa_lps_delete(vport->lps);
6397
6398 if (vport_drv->comp_del) {
6399 complete(vport_drv->comp_del);
6400 return;
6401 }
6402
6403 /*
6404 * We queue the vport delete work to the IM work_q from here.
6405 * The memory for the bfad_vport_s is freed from the FC function
6406 * template vport_delete entry point.
6407 */
6408 bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
6409 }
6410
6411 /*
6412 * fcs_vport_public FCS virtual port public interfaces
6413 */
6414
6415 /*
6416 * Online notification from fabric SM.
6417 */
6418 void
6419 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
6420 {
6421 vport->vport_stats.fab_online++;
6422 if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
6423 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6424 else
6425 vport->vport_stats.fab_no_npiv++;
6426 }
6427
6428 /*
6429 * Offline notification from fabric SM.
6430 */
6431 void
6432 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
6433 {
6434 vport->vport_stats.fab_offline++;
6435 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6436 }
6437
6438 /*
6439 * Cleanup notification from fabric SM on link timer expiry.
6440 */
6441 void
6442 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
6443 {
6444 vport->vport_stats.fab_cleanup++;
6445 }
6446
6447 /*
6448 * Stop notification from fabric SM. To be invoked from within FCS.
6449 */
6450 void
6451 bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
6452 {
6453 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6454 }
6455
6456 /*
6457 * delete notification from fabric SM. To be invoked from within FCS.
6458 */
6459 void
6460 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
6461 {
6462 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6463 }
6464
6465 /*
6466 * Stop completion callback from associated lport
6467 */
6468 void
6469 bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
6470 {
6471 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
6472 }
6473
6474 /*
6475 * Delete completion callback from associated lport
6476 */
6477 void
6478 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
6479 {
6480 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
6481 }
6482
6483
6484
6485 /*
6486 * fcs_vport_api Virtual port API
6487 */
6488
6489 /*
6490 * Use this function to instantiate a new FCS vport object. This
6491 * function will not trigger any HW initialization process (which will be
6492 * done in vport_start() call)
6493 *
6494 * param[in] vport - pointer to bfa_fcs_vport_t. This space
6495 * needs to be allocated by the driver.
6496 * param[in] fcs - FCS instance
6497 * param[in] vport_cfg - vport configuration
6498 * param[in] vf_id - VF_ID if vport is created within a VF.
6499 * FC_VF_ID_NULL to specify base fabric.
6500 * param[in] vport_drv - Opaque handle back to the driver's vport
6501 * structure
6502 *
6503 * retval BFA_STATUS_OK - on success.
6504 * retval BFA_STATUS_FAILED - on failure.
6505 */
6506 bfa_status_t
6507 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6508 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6509 struct bfad_vport_s *vport_drv)
6510 {
6511 if (vport_cfg->pwwn == 0)
6512 return BFA_STATUS_INVALID_WWN;
6513
6514 if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
6515 return BFA_STATUS_VPORT_WWN_BP;
6516
6517 if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
6518 return BFA_STATUS_VPORT_EXISTS;
6519
6520 if (fcs->fabric.num_vports ==
6521 bfa_lps_get_max_vport(fcs->bfa))
6522 return BFA_STATUS_VPORT_MAX;
6523
6524 vport->lps = bfa_lps_alloc(fcs->bfa);
6525 if (!vport->lps)
6526 return BFA_STATUS_VPORT_MAX;
6527
6528 vport->vport_drv = vport_drv;
6529 vport_cfg->preboot_vp = BFA_FALSE;
6530
6531 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6532 bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
6533 bfa_fcs_lport_init(&vport->lport, vport_cfg);
6534 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
6535
6536 return BFA_STATUS_OK;
6537 }
6538
6539 /*
6540 * Use this function to instantiate a new FCS PBC vport object. This
6541 * function will not trigger any HW initialization process (which will be
6542 * done in vport_start() call)
6543 *
6544 * param[in] vport - pointer to bfa_fcs_vport_t. This space
6545 * needs to be allocated by the driver.
6546 * param[in] fcs - FCS instance
6547 * param[in] vport_cfg - vport configuration
6548 * param[in] vf_id - VF_ID if vport is created within a VF.
6549 * FC_VF_ID_NULL to specify base fabric.
6550 * param[in] vport_drv - Opaque handle back to the driver's vport
6551 * structure
6552 *
6553 * retval BFA_STATUS_OK - on success.
6554 * retval BFA_STATUS_FAILED - on failure.
6555 */
6556 bfa_status_t
6557 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6558 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6559 struct bfad_vport_s *vport_drv)
6560 {
6561 bfa_status_t rc;
6562
6563 rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
6564 vport->lport.port_cfg.preboot_vp = BFA_TRUE;
6565
6566 return rc;
6567 }
6568
6569 /*
6570 * Use this function to findout if this is a pbc vport or not.
6571 *
6572 * @param[in] vport - pointer to bfa_fcs_vport_t.
6573 *
6574 * @returns None
6575 */
6576 bfa_boolean_t
6577 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
6578 {
6579
6580 if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
6581 return BFA_TRUE;
6582 else
6583 return BFA_FALSE;
6584
6585 }
6586
6587 /*
6588 * Use this function initialize the vport.
6589 *
6590 * @param[in] vport - pointer to bfa_fcs_vport_t.
6591 *
6592 * @returns None
6593 */
6594 bfa_status_t
6595 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
6596 {
6597 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
6598
6599 return BFA_STATUS_OK;
6600 }
6601
6602 /*
6603 * Use this function quiese the vport object. This function will return
6604 * immediately, when the vport is actually stopped, the
6605 * bfa_drv_vport_stop_cb() will be called.
6606 *
6607 * param[in] vport - pointer to bfa_fcs_vport_t.
6608 *
6609 * return None
6610 */
6611 bfa_status_t
6612 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
6613 {
6614 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6615
6616 return BFA_STATUS_OK;
6617 }
6618
6619 /*
6620 * Use this function to delete a vport object. Fabric object should
6621 * be stopped before this function call.
6622 *
6623 * !!!!!!! Donot invoke this from within FCS !!!!!!!
6624 *
6625 * param[in] vport - pointer to bfa_fcs_vport_t.
6626 *
6627 * return None
6628 */
6629 bfa_status_t
6630 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
6631 {
6632
6633 if (vport->lport.port_cfg.preboot_vp)
6634 return BFA_STATUS_PBC;
6635
6636 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6637
6638 return BFA_STATUS_OK;
6639 }
6640
6641 /*
6642 * Use this function to get vport's current status info.
6643 *
6644 * param[in] vport pointer to bfa_fcs_vport_t.
6645 * param[out] attr pointer to return vport attributes
6646 *
6647 * return None
6648 */
6649 void
6650 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
6651 struct bfa_vport_attr_s *attr)
6652 {
6653 if (vport == NULL || attr == NULL)
6654 return;
6655
6656 memset(attr, 0, sizeof(struct bfa_vport_attr_s));
6657
6658 bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
6659 attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
6660 }
6661
6662
6663 /*
6664 * Lookup a virtual port. Excludes base port from lookup.
6665 */
6666 struct bfa_fcs_vport_s *
6667 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
6668 {
6669 struct bfa_fcs_vport_s *vport;
6670 struct bfa_fcs_fabric_s *fabric;
6671
6672 bfa_trc(fcs, vf_id);
6673 bfa_trc(fcs, vpwwn);
6674
6675 fabric = bfa_fcs_vf_lookup(fcs, vf_id);
6676 if (!fabric) {
6677 bfa_trc(fcs, vf_id);
6678 return NULL;
6679 }
6680
6681 vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
6682 return vport;
6683 }
6684
6685 /*
6686 * FDISC Response
6687 */
6688 void
6689 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
6690 {
6691 struct bfa_fcs_vport_s *vport = uarg;
6692
6693 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6694 bfa_trc(__vport_fcs(vport), status);
6695
6696 switch (status) {
6697 case BFA_STATUS_OK:
6698 /*
6699 * Initialize the V-Port fields
6700 */
6701 __vport_fcid(vport) = vport->lps->lp_pid;
6702 vport->vport_stats.fdisc_accepts++;
6703 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6704 break;
6705
6706 case BFA_STATUS_INVALID_MAC:
6707 /* Only for CNA */
6708 vport->vport_stats.fdisc_acc_bad++;
6709 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6710
6711 break;
6712
6713 case BFA_STATUS_EPROTOCOL:
6714 switch (vport->lps->ext_status) {
6715 case BFA_EPROTO_BAD_ACCEPT:
6716 vport->vport_stats.fdisc_acc_bad++;
6717 break;
6718
6719 case BFA_EPROTO_UNKNOWN_RSP:
6720 vport->vport_stats.fdisc_unknown_rsp++;
6721 break;
6722
6723 default:
6724 break;
6725 }
6726
6727 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6728 break;
6729
6730 case BFA_STATUS_FABRIC_RJT:
6731 vport->vport_stats.fdisc_rejects++;
6732 bfa_fcs_vport_fdisc_rejected(vport);
6733 break;
6734
6735 default:
6736 vport->vport_stats.fdisc_rsp_err++;
6737 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6738 }
6739 }
6740
6741 /*
6742 * LOGO response
6743 */
6744 void
6745 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
6746 {
6747 struct bfa_fcs_vport_s *vport = uarg;
6748 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6749 }
6750
6751 /*
6752 * Received clear virtual link
6753 */
6754 void
6755 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
6756 {
6757 struct bfa_fcs_vport_s *vport = uarg;
6758
6759 /* Send an Offline followed by an ONLINE */
6760 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6761 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6762 }
Linus' kernel tree