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Merge remote-tracking branch 'asoc/topic/tlv320aic26' into asoc-next
[deliverable/linux.git] / drivers / scsi / bfa / bfa_fcs_lport.c
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 templen = fc_roundup(templen, sizeof(u32));
2052 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2053 len += templen;
2054 count++;
2055 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2056 sizeof(templen));
2057 /*
2058 * Send extended attributes ( FOS 7.1 support )
2059 */
2060 if (fdmi->retry_cnt == 0) {
2061 attr = (struct fdmi_attr_s *) curr_ptr;
2062 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODE_SYM_NAME);
2063 templen = sizeof(fcs_hba_attr->node_sym_name);
2064 memcpy(attr->value, &fcs_hba_attr->node_sym_name, templen);
2065 templen = fc_roundup(templen, sizeof(u32));
2066 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2067 len += templen;
2068 count++;
2069 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2070 sizeof(templen));
2071
2072 attr = (struct fdmi_attr_s *) curr_ptr;
2073 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_VENDOR_ID);
2074 templen = sizeof(fcs_hba_attr->vendor_info);
2075 memcpy(attr->value, &fcs_hba_attr->vendor_info, templen);
2076 templen = fc_roundup(templen, sizeof(u32));
2077 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2078 len += templen;
2079 count++;
2080 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2081 sizeof(templen));
2082
2083 attr = (struct fdmi_attr_s *) curr_ptr;
2084 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NUM_PORTS);
2085 templen = sizeof(fcs_hba_attr->num_ports);
2086 memcpy(attr->value, &fcs_hba_attr->num_ports, templen);
2087 templen = fc_roundup(templen, sizeof(u32));
2088 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2089 len += templen;
2090 count++;
2091 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2092 sizeof(templen));
2093
2094 attr = (struct fdmi_attr_s *) curr_ptr;
2095 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FABRIC_NAME);
2096 templen = sizeof(fcs_hba_attr->fabric_name);
2097 memcpy(attr->value, &fcs_hba_attr->fabric_name, templen);
2098 templen = fc_roundup(templen, sizeof(u32));
2099 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2100 len += templen;
2101 count++;
2102 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2103 sizeof(templen));
2104
2105 attr = (struct fdmi_attr_s *) curr_ptr;
2106 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_BIOS_VER);
2107 templen = sizeof(fcs_hba_attr->bios_ver);
2108 memcpy(attr->value, &fcs_hba_attr->bios_ver, templen);
2109 templen = fc_roundup(attr->len, sizeof(u32));
2110 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2111 len += templen;
2112 count++;
2113 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2114 sizeof(templen));
2115 }
2116
2117 /*
2118 * Update size of payload
2119 */
2120 len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2121
2122 rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
2123 return len;
2124 }
2125
2126 static void
2127 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2128 void *cbarg, bfa_status_t req_status,
2129 u32 rsp_len, u32 resid_len,
2130 struct fchs_s *rsp_fchs)
2131 {
2132 struct bfa_fcs_lport_fdmi_s *fdmi =
2133 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2134 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2135 struct ct_hdr_s *cthdr = NULL;
2136
2137 bfa_trc(port->fcs, port->port_cfg.pwwn);
2138
2139 /*
2140 * Sanity Checks
2141 */
2142 if (req_status != BFA_STATUS_OK) {
2143 bfa_trc(port->fcs, req_status);
2144 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2145 return;
2146 }
2147
2148 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2149 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2150
2151 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2152 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2153 return;
2154 }
2155
2156 bfa_trc(port->fcs, cthdr->reason_code);
2157 bfa_trc(port->fcs, cthdr->exp_code);
2158 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2159 }
2160
2161 /*
2162 * RPRT : Register Port
2163 */
2164 static void
2165 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2166 {
2167 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2168 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2169 struct fchs_s fchs;
2170 u16 len, attr_len;
2171 struct bfa_fcxp_s *fcxp;
2172 u8 *pyld;
2173
2174 bfa_trc(port->fcs, port->port_cfg.pwwn);
2175
2176 fcxp = fcxp_alloced ? fcxp_alloced :
2177 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2178 if (!fcxp) {
2179 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2180 bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
2181 return;
2182 }
2183 fdmi->fcxp = fcxp;
2184
2185 pyld = bfa_fcxp_get_reqbuf(fcxp);
2186 memset(pyld, 0, FC_MAX_PDUSZ);
2187
2188 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2189 FDMI_RPRT);
2190
2191 attr_len =
2192 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
2193 (u8 *) ((struct ct_hdr_s *) pyld
2194 + 1));
2195
2196 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2197 FC_CLASS_3, len + attr_len, &fchs,
2198 bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
2199 FC_MAX_PDUSZ, FC_FCCT_TOV);
2200
2201 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
2202 }
2203
2204 /*
2205 * This routine builds Port Attribute Block that used in RPA, RPRT commands.
2206 */
2207 static u16
2208 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
2209 u8 *pyld)
2210 {
2211 struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2212 struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
2213 struct fdmi_attr_s *attr;
2214 u8 *curr_ptr;
2215 u16 len;
2216 u8 count = 0;
2217 u16 templen;
2218
2219 /*
2220 * get port attributes
2221 */
2222 bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2223
2224 len = sizeof(port_attrib->attr_count);
2225
2226 /*
2227 * fill out the invididual entries
2228 */
2229 curr_ptr = (u8 *) &port_attrib->port_attr;
2230
2231 /*
2232 * FC4 Types
2233 */
2234 attr = (struct fdmi_attr_s *) curr_ptr;
2235 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
2236 templen = sizeof(fcs_port_attr.supp_fc4_types);
2237 memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
2238 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2239 len += templen;
2240 ++count;
2241 attr->len =
2242 cpu_to_be16(templen + sizeof(attr->type) +
2243 sizeof(templen));
2244
2245 /*
2246 * Supported Speed
2247 */
2248 attr = (struct fdmi_attr_s *) curr_ptr;
2249 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
2250 templen = sizeof(fcs_port_attr.supp_speed);
2251 memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
2252 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2253 len += templen;
2254 ++count;
2255 attr->len =
2256 cpu_to_be16(templen + sizeof(attr->type) +
2257 sizeof(templen));
2258
2259 /*
2260 * current Port Speed
2261 */
2262 attr = (struct fdmi_attr_s *) curr_ptr;
2263 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
2264 templen = sizeof(fcs_port_attr.curr_speed);
2265 memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
2266 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2267 len += templen;
2268 ++count;
2269 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2270 sizeof(templen));
2271
2272 /*
2273 * max frame size
2274 */
2275 attr = (struct fdmi_attr_s *) curr_ptr;
2276 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
2277 templen = sizeof(fcs_port_attr.max_frm_size);
2278 memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
2279 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2280 len += templen;
2281 ++count;
2282 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2283 sizeof(templen));
2284
2285 /*
2286 * OS Device Name
2287 */
2288 if (fcs_port_attr.os_device_name[0] != '\0') {
2289 attr = (struct fdmi_attr_s *) curr_ptr;
2290 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
2291 templen = (u16) strlen(fcs_port_attr.os_device_name);
2292 memcpy(attr->value, fcs_port_attr.os_device_name, templen);
2293 templen = fc_roundup(templen, sizeof(u32));
2294 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2295 len += templen;
2296 ++count;
2297 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2298 sizeof(templen));
2299 }
2300 /*
2301 * Host Name
2302 */
2303 if (fcs_port_attr.host_name[0] != '\0') {
2304 attr = (struct fdmi_attr_s *) curr_ptr;
2305 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
2306 templen = (u16) strlen(fcs_port_attr.host_name);
2307 memcpy(attr->value, fcs_port_attr.host_name, templen);
2308 templen = fc_roundup(templen, sizeof(u32));
2309 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2310 len += templen;
2311 ++count;
2312 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2313 sizeof(templen));
2314 }
2315
2316 if (fdmi->retry_cnt == 0) {
2317 attr = (struct fdmi_attr_s *) curr_ptr;
2318 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_NODE_NAME);
2319 templen = sizeof(fcs_port_attr.node_name);
2320 memcpy(attr->value, &fcs_port_attr.node_name, templen);
2321 templen = fc_roundup(templen, sizeof(u32));
2322 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2323 len += templen;
2324 ++count;
2325 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2326 sizeof(templen));
2327
2328 attr = (struct fdmi_attr_s *) curr_ptr;
2329 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NAME);
2330 templen = sizeof(fcs_port_attr.port_name);
2331 memcpy(attr->value, &fcs_port_attr.port_name, templen);
2332 templen = fc_roundup(templen, sizeof(u32));
2333 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + templen;
2334 len += templen;
2335 ++count;
2336 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2337 sizeof(templen));
2338
2339 if (fcs_port_attr.port_sym_name.symname[0] != '\0') {
2340 attr = (struct fdmi_attr_s *) curr_ptr;
2341 attr->type =
2342 cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SYM_NAME);
2343 templen = sizeof(fcs_port_attr.port_sym_name);
2344 memcpy(attr->value,
2345 &fcs_port_attr.port_sym_name, templen);
2346 templen = fc_roundup(templen, sizeof(u32));
2347 curr_ptr += sizeof(attr->type) +
2348 sizeof(templen) + templen;
2349 len += templen;
2350 ++count;
2351 attr->len = cpu_to_be16(templen +
2352 sizeof(attr->type) + sizeof(templen));
2353 }
2354
2355 attr = (struct fdmi_attr_s *) curr_ptr;
2356 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_TYPE);
2357 templen = sizeof(fcs_port_attr.port_type);
2358 memcpy(attr->value, &fcs_port_attr.port_type, templen);
2359 templen = fc_roundup(templen, sizeof(u32));
2360 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2361 len += templen;
2362 ++count;
2363 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2364 sizeof(templen));
2365
2366 attr = (struct fdmi_attr_s *) curr_ptr;
2367 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_COS);
2368 templen = sizeof(fcs_port_attr.scos);
2369 memcpy(attr->value, &fcs_port_attr.scos, templen);
2370 templen = fc_roundup(templen, sizeof(u32));
2371 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2372 len += templen;
2373 ++count;
2374 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2375 sizeof(templen));
2376
2377 attr = (struct fdmi_attr_s *) curr_ptr;
2378 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FAB_NAME);
2379 templen = sizeof(fcs_port_attr.port_fabric_name);
2380 memcpy(attr->value, &fcs_port_attr.port_fabric_name, templen);
2381 templen = fc_roundup(templen, sizeof(u32));
2382 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2383 len += templen;
2384 ++count;
2385 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2386 sizeof(templen));
2387
2388 attr = (struct fdmi_attr_s *) curr_ptr;
2389 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FC4_TYPE);
2390 templen = sizeof(fcs_port_attr.port_act_fc4_type);
2391 memcpy(attr->value, fcs_port_attr.port_act_fc4_type,
2392 templen);
2393 templen = fc_roundup(templen, sizeof(u32));
2394 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2395 len += templen;
2396 ++count;
2397 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2398 sizeof(templen));
2399
2400 attr = (struct fdmi_attr_s *) curr_ptr;
2401 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_STATE);
2402 templen = sizeof(fcs_port_attr.port_state);
2403 memcpy(attr->value, &fcs_port_attr.port_state, templen);
2404 templen = fc_roundup(templen, sizeof(u32));
2405 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2406 len += templen;
2407 ++count;
2408 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2409 sizeof(templen));
2410
2411 attr = (struct fdmi_attr_s *) curr_ptr;
2412 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NUM_RPRT);
2413 templen = sizeof(fcs_port_attr.num_ports);
2414 memcpy(attr->value, &fcs_port_attr.num_ports, templen);
2415 templen = fc_roundup(templen, sizeof(u32));
2416 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2417 len += templen;
2418 ++count;
2419 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2420 sizeof(templen));
2421 }
2422
2423 /*
2424 * Update size of payload
2425 */
2426 port_attrib->attr_count = cpu_to_be32(count);
2427 len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2428 return len;
2429 }
2430
2431 static u16
2432 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2433 {
2434 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2435 struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2436 u16 len;
2437
2438 rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2439 rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2440
2441 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2442 (u8 *) &rprt->port_attr_blk);
2443
2444 len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2445
2446 return len;
2447 }
2448
2449 static void
2450 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2451 void *cbarg, bfa_status_t req_status,
2452 u32 rsp_len, u32 resid_len,
2453 struct fchs_s *rsp_fchs)
2454 {
2455 struct bfa_fcs_lport_fdmi_s *fdmi =
2456 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2457 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2458 struct ct_hdr_s *cthdr = NULL;
2459
2460 bfa_trc(port->fcs, port->port_cfg.pwwn);
2461
2462 /*
2463 * Sanity Checks
2464 */
2465 if (req_status != BFA_STATUS_OK) {
2466 bfa_trc(port->fcs, req_status);
2467 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2468 return;
2469 }
2470
2471 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2472 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2473
2474 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2475 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2476 return;
2477 }
2478
2479 bfa_trc(port->fcs, cthdr->reason_code);
2480 bfa_trc(port->fcs, cthdr->exp_code);
2481 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2482 }
2483
2484 /*
2485 * RPA : Register Port Attributes.
2486 */
2487 static void
2488 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2489 {
2490 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2491 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2492 struct fchs_s fchs;
2493 u16 len, attr_len;
2494 struct bfa_fcxp_s *fcxp;
2495 u8 *pyld;
2496
2497 bfa_trc(port->fcs, port->port_cfg.pwwn);
2498
2499 fcxp = fcxp_alloced ? fcxp_alloced :
2500 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2501 if (!fcxp) {
2502 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2503 bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
2504 return;
2505 }
2506 fdmi->fcxp = fcxp;
2507
2508 pyld = bfa_fcxp_get_reqbuf(fcxp);
2509 memset(pyld, 0, FC_MAX_PDUSZ);
2510
2511 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2512 FDMI_RPA);
2513
2514 attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2515 (u8 *) ((struct ct_hdr_s *) pyld + 1));
2516
2517 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2518 FC_CLASS_3, len + attr_len, &fchs,
2519 bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2520 FC_MAX_PDUSZ, FC_FCCT_TOV);
2521
2522 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2523 }
2524
2525 static u16
2526 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2527 {
2528 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2529 struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2530 u16 len;
2531
2532 rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2533
2534 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2535 (u8 *) &rpa->port_attr_blk);
2536
2537 len += sizeof(rpa->port_name);
2538
2539 return len;
2540 }
2541
2542 static void
2543 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2544 void *cbarg, bfa_status_t req_status, u32 rsp_len,
2545 u32 resid_len, struct fchs_s *rsp_fchs)
2546 {
2547 struct bfa_fcs_lport_fdmi_s *fdmi =
2548 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2549 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2550 struct ct_hdr_s *cthdr = NULL;
2551
2552 bfa_trc(port->fcs, port->port_cfg.pwwn);
2553
2554 /*
2555 * Sanity Checks
2556 */
2557 if (req_status != BFA_STATUS_OK) {
2558 bfa_trc(port->fcs, req_status);
2559 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2560 return;
2561 }
2562
2563 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2564 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2565
2566 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2567 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2568 return;
2569 }
2570
2571 bfa_trc(port->fcs, cthdr->reason_code);
2572 bfa_trc(port->fcs, cthdr->exp_code);
2573 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2574 }
2575
2576 static void
2577 bfa_fcs_lport_fdmi_timeout(void *arg)
2578 {
2579 struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2580
2581 bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2582 }
2583
2584 static void
2585 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2586 struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2587 {
2588 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2589 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2590 struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2591
2592 memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2593
2594 bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2595 hba_attr->manufacturer);
2596 bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2597 hba_attr->serial_num);
2598 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2599 hba_attr->model);
2600 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2601 hba_attr->model_desc);
2602 bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2603 hba_attr->hw_version);
2604 bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2605 hba_attr->option_rom_ver);
2606 bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2607 hba_attr->fw_version);
2608
2609 strncpy(hba_attr->driver_version, (char *)driver_info->version,
2610 sizeof(hba_attr->driver_version));
2611
2612 strncpy(hba_attr->os_name, driver_info->host_os_name,
2613 sizeof(hba_attr->os_name));
2614
2615 /*
2616 * If there is a patch level, append it
2617 * to the os name along with a separator
2618 */
2619 if (driver_info->host_os_patch[0] != '\0') {
2620 strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2621 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
2622 strncat(hba_attr->os_name, driver_info->host_os_patch,
2623 sizeof(driver_info->host_os_patch));
2624 }
2625
2626 /* Retrieve the max frame size from the port attr */
2627 bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2628 hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
2629
2630 strncpy(hba_attr->node_sym_name.symname,
2631 port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
2632 strcpy(hba_attr->vendor_info, "BROCADE");
2633 hba_attr->num_ports =
2634 cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
2635 hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
2636 strncpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
2637
2638 }
2639
2640 static void
2641 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2642 struct bfa_fcs_fdmi_port_attr_s *port_attr)
2643 {
2644 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2645 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2646 struct bfa_port_attr_s pport_attr;
2647 struct bfa_lport_attr_s lport_attr;
2648
2649 memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2650
2651 /*
2652 * get pport attributes from hal
2653 */
2654 bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2655
2656 /*
2657 * get FC4 type Bitmask
2658 */
2659 fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2660
2661 /*
2662 * Supported Speeds
2663 */
2664 switch (pport_attr.speed_supported) {
2665 case BFA_PORT_SPEED_16GBPS:
2666 port_attr->supp_speed =
2667 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
2668 break;
2669
2670 case BFA_PORT_SPEED_10GBPS:
2671 port_attr->supp_speed =
2672 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
2673 break;
2674
2675 case BFA_PORT_SPEED_8GBPS:
2676 port_attr->supp_speed =
2677 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
2678 break;
2679
2680 case BFA_PORT_SPEED_4GBPS:
2681 port_attr->supp_speed =
2682 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
2683 break;
2684
2685 default:
2686 bfa_sm_fault(port->fcs, pport_attr.speed_supported);
2687 }
2688
2689 /*
2690 * Current Speed
2691 */
2692 port_attr->curr_speed = cpu_to_be32(
2693 bfa_fcs_fdmi_convert_speed(pport_attr.speed));
2694
2695 /*
2696 * Max PDU Size.
2697 */
2698 port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
2699
2700 /*
2701 * OS device Name
2702 */
2703 strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
2704 sizeof(port_attr->os_device_name));
2705
2706 /*
2707 * Host name
2708 */
2709 strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
2710 sizeof(port_attr->host_name));
2711
2712 port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
2713 port_attr->port_name = bfa_fcs_lport_get_pwwn(port);
2714
2715 strncpy(port_attr->port_sym_name.symname,
2716 (char *)&bfa_fcs_lport_get_psym_name(port), BFA_SYMNAME_MAXLEN);
2717 bfa_fcs_lport_get_attr(port, &lport_attr);
2718 port_attr->port_type = cpu_to_be32(lport_attr.port_type);
2719 port_attr->scos = pport_attr.cos_supported;
2720 port_attr->port_fabric_name = port->fabric->lps->pr_nwwn;
2721 fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->port_act_fc4_type);
2722 port_attr->port_state = cpu_to_be32(pport_attr.port_state);
2723 port_attr->num_ports = cpu_to_be32(port->num_rports);
2724 }
2725
2726 /*
2727 * Convert BFA speed to FDMI format.
2728 */
2729 u32
2730 bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
2731 {
2732 u32 ret;
2733
2734 switch (pport_speed) {
2735 case BFA_PORT_SPEED_1GBPS:
2736 case BFA_PORT_SPEED_2GBPS:
2737 ret = pport_speed;
2738 break;
2739
2740 case BFA_PORT_SPEED_4GBPS:
2741 ret = FDMI_TRANS_SPEED_4G;
2742 break;
2743
2744 case BFA_PORT_SPEED_8GBPS:
2745 ret = FDMI_TRANS_SPEED_8G;
2746 break;
2747
2748 case BFA_PORT_SPEED_10GBPS:
2749 ret = FDMI_TRANS_SPEED_10G;
2750 break;
2751
2752 case BFA_PORT_SPEED_16GBPS:
2753 ret = FDMI_TRANS_SPEED_16G;
2754 break;
2755
2756 default:
2757 ret = FDMI_TRANS_SPEED_UNKNOWN;
2758 }
2759 return ret;
2760 }
2761
2762 void
2763 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2764 {
2765 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2766
2767 fdmi->ms = ms;
2768 if (ms->port->fcs->fdmi_enabled)
2769 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2770 else
2771 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2772 }
2773
2774 void
2775 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2776 {
2777 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2778
2779 fdmi->ms = ms;
2780 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2781 }
2782
2783 void
2784 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2785 {
2786 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2787
2788 fdmi->ms = ms;
2789 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2790 }
2791
2792 #define BFA_FCS_MS_CMD_MAX_RETRIES 2
2793
2794 /*
2795 * forward declarations
2796 */
2797 static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2798 struct bfa_fcxp_s *fcxp_alloced);
2799 static void bfa_fcs_lport_ms_timeout(void *arg);
2800 static void bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2801 struct bfa_fcxp_s *fcxp,
2802 void *cbarg,
2803 bfa_status_t req_status,
2804 u32 rsp_len,
2805 u32 resid_len,
2806 struct fchs_s *rsp_fchs);
2807
2808 static void bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2809 struct bfa_fcxp_s *fcxp_alloced);
2810 static void bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2811 struct bfa_fcxp_s *fcxp,
2812 void *cbarg,
2813 bfa_status_t req_status,
2814 u32 rsp_len,
2815 u32 resid_len,
2816 struct fchs_s *rsp_fchs);
2817 static void bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2818 struct bfa_fcxp_s *fcxp_alloced);
2819 static void bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2820 struct bfa_fcxp_s *fcxp,
2821 void *cbarg,
2822 bfa_status_t req_status,
2823 u32 rsp_len,
2824 u32 resid_len,
2825 struct fchs_s *rsp_fchs);
2826 /*
2827 * fcs_ms_sm FCS MS state machine
2828 */
2829
2830 /*
2831 * MS State Machine events
2832 */
2833 enum port_ms_event {
2834 MSSM_EVENT_PORT_ONLINE = 1,
2835 MSSM_EVENT_PORT_OFFLINE = 2,
2836 MSSM_EVENT_RSP_OK = 3,
2837 MSSM_EVENT_RSP_ERROR = 4,
2838 MSSM_EVENT_TIMEOUT = 5,
2839 MSSM_EVENT_FCXP_SENT = 6,
2840 MSSM_EVENT_PORT_FABRIC_RSCN = 7
2841 };
2842
2843 static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2844 enum port_ms_event event);
2845 static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2846 enum port_ms_event event);
2847 static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2848 enum port_ms_event event);
2849 static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2850 enum port_ms_event event);
2851 static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2852 enum port_ms_event event);
2853 static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2854 enum port_ms_event event);
2855 static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2856 enum port_ms_event event);
2857 static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2858 enum port_ms_event event);
2859 static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2860 enum port_ms_event event);
2861 static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2862 enum port_ms_event event);
2863 static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2864 enum port_ms_event event);
2865 /*
2866 * Start in offline state - awaiting NS to send start.
2867 */
2868 static void
2869 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2870 enum port_ms_event event)
2871 {
2872 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2873 bfa_trc(ms->port->fcs, event);
2874
2875 switch (event) {
2876 case MSSM_EVENT_PORT_ONLINE:
2877 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2878 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2879 break;
2880
2881 case MSSM_EVENT_PORT_OFFLINE:
2882 break;
2883
2884 default:
2885 bfa_sm_fault(ms->port->fcs, event);
2886 }
2887 }
2888
2889 static void
2890 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2891 enum port_ms_event event)
2892 {
2893 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2894 bfa_trc(ms->port->fcs, event);
2895
2896 switch (event) {
2897 case MSSM_EVENT_FCXP_SENT:
2898 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2899 break;
2900
2901 case MSSM_EVENT_PORT_OFFLINE:
2902 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2903 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2904 &ms->fcxp_wqe);
2905 break;
2906
2907 default:
2908 bfa_sm_fault(ms->port->fcs, event);
2909 }
2910 }
2911
2912 static void
2913 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2914 enum port_ms_event event)
2915 {
2916 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2917 bfa_trc(ms->port->fcs, event);
2918
2919 switch (event) {
2920 case MSSM_EVENT_RSP_ERROR:
2921 /*
2922 * Start timer for a delayed retry
2923 */
2924 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2925 ms->port->stats.ms_retries++;
2926 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2927 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2928 BFA_FCS_RETRY_TIMEOUT);
2929 break;
2930
2931 case MSSM_EVENT_RSP_OK:
2932 /*
2933 * since plogi is done, now invoke MS related sub-modules
2934 */
2935 bfa_fcs_lport_fdmi_online(ms);
2936
2937 /*
2938 * if this is a Vport, go to online state.
2939 */
2940 if (ms->port->vport) {
2941 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2942 break;
2943 }
2944
2945 /*
2946 * For a base port we need to get the
2947 * switch's IP address.
2948 */
2949 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2950 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2951 break;
2952
2953 case MSSM_EVENT_PORT_OFFLINE:
2954 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2955 bfa_fcxp_discard(ms->fcxp);
2956 break;
2957
2958 default:
2959 bfa_sm_fault(ms->port->fcs, event);
2960 }
2961 }
2962
2963 static void
2964 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2965 enum port_ms_event event)
2966 {
2967 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2968 bfa_trc(ms->port->fcs, event);
2969
2970 switch (event) {
2971 case MSSM_EVENT_TIMEOUT:
2972 /*
2973 * Retry Timer Expired. Re-send
2974 */
2975 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2976 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2977 break;
2978
2979 case MSSM_EVENT_PORT_OFFLINE:
2980 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2981 bfa_timer_stop(&ms->timer);
2982 break;
2983
2984 default:
2985 bfa_sm_fault(ms->port->fcs, event);
2986 }
2987 }
2988
2989 static void
2990 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2991 enum port_ms_event event)
2992 {
2993 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2994 bfa_trc(ms->port->fcs, event);
2995
2996 switch (event) {
2997 case MSSM_EVENT_PORT_OFFLINE:
2998 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2999 break;
3000
3001 case MSSM_EVENT_PORT_FABRIC_RSCN:
3002 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3003 ms->retry_cnt = 0;
3004 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3005 break;
3006
3007 default:
3008 bfa_sm_fault(ms->port->fcs, event);
3009 }
3010 }
3011
3012 static void
3013 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
3014 enum port_ms_event event)
3015 {
3016 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3017 bfa_trc(ms->port->fcs, event);
3018
3019 switch (event) {
3020 case MSSM_EVENT_FCXP_SENT:
3021 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
3022 break;
3023
3024 case MSSM_EVENT_PORT_OFFLINE:
3025 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3026 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3027 &ms->fcxp_wqe);
3028 break;
3029
3030 default:
3031 bfa_sm_fault(ms->port->fcs, event);
3032 }
3033 }
3034
3035 static void
3036 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
3037 enum port_ms_event event)
3038 {
3039 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3040 bfa_trc(ms->port->fcs, event);
3041
3042 switch (event) {
3043 case MSSM_EVENT_RSP_ERROR:
3044 /*
3045 * Start timer for a delayed retry
3046 */
3047 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3048 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
3049 ms->port->stats.ms_retries++;
3050 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3051 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3052 BFA_FCS_RETRY_TIMEOUT);
3053 } else {
3054 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3055 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3056 ms->retry_cnt = 0;
3057 }
3058 break;
3059
3060 case MSSM_EVENT_RSP_OK:
3061 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3062 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3063 break;
3064
3065 case MSSM_EVENT_PORT_OFFLINE:
3066 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3067 bfa_fcxp_discard(ms->fcxp);
3068 break;
3069
3070 default:
3071 bfa_sm_fault(ms->port->fcs, event);
3072 }
3073 }
3074
3075 static void
3076 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
3077 enum port_ms_event event)
3078 {
3079 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3080 bfa_trc(ms->port->fcs, event);
3081
3082 switch (event) {
3083 case MSSM_EVENT_TIMEOUT:
3084 /*
3085 * Retry Timer Expired. Re-send
3086 */
3087 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
3088 bfa_fcs_lport_ms_send_gmal(ms, NULL);
3089 break;
3090
3091 case MSSM_EVENT_PORT_OFFLINE:
3092 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3093 bfa_timer_stop(&ms->timer);
3094 break;
3095
3096 default:
3097 bfa_sm_fault(ms->port->fcs, event);
3098 }
3099 }
3100 /*
3101 * ms_pvt MS local functions
3102 */
3103
3104 static void
3105 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3106 {
3107 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3108 bfa_fcs_lport_t *port = ms->port;
3109 struct fchs_s fchs;
3110 int len;
3111 struct bfa_fcxp_s *fcxp;
3112
3113 bfa_trc(port->fcs, port->pid);
3114
3115 fcxp = fcxp_alloced ? fcxp_alloced :
3116 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3117 if (!fcxp) {
3118 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3119 bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
3120 return;
3121 }
3122 ms->fcxp = fcxp;
3123
3124 len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3125 bfa_fcs_lport_get_fcid(port),
3126 port->fabric->lps->pr_nwwn);
3127
3128 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3129 FC_CLASS_3, len, &fchs,
3130 bfa_fcs_lport_ms_gmal_response, (void *)ms,
3131 FC_MAX_PDUSZ, FC_FCCT_TOV);
3132
3133 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3134 }
3135
3136 static void
3137 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3138 void *cbarg, bfa_status_t req_status,
3139 u32 rsp_len, u32 resid_len,
3140 struct fchs_s *rsp_fchs)
3141 {
3142 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3143 bfa_fcs_lport_t *port = ms->port;
3144 struct ct_hdr_s *cthdr = NULL;
3145 struct fcgs_gmal_resp_s *gmal_resp;
3146 struct fcgs_gmal_entry_s *gmal_entry;
3147 u32 num_entries;
3148 u8 *rsp_str;
3149
3150 bfa_trc(port->fcs, req_status);
3151 bfa_trc(port->fcs, port->port_cfg.pwwn);
3152
3153 /*
3154 * Sanity Checks
3155 */
3156 if (req_status != BFA_STATUS_OK) {
3157 bfa_trc(port->fcs, req_status);
3158 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3159 return;
3160 }
3161
3162 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3163 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3164
3165 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3166 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
3167
3168 num_entries = be32_to_cpu(gmal_resp->ms_len);
3169 if (num_entries == 0) {
3170 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3171 return;
3172 }
3173 /*
3174 * The response could contain multiple Entries.
3175 * Entries for SNMP interface, etc.
3176 * We look for the entry with a telnet prefix.
3177 * First "http://" entry refers to IP addr
3178 */
3179
3180 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
3181 while (num_entries > 0) {
3182 if (strncmp(gmal_entry->prefix,
3183 CT_GMAL_RESP_PREFIX_HTTP,
3184 sizeof(gmal_entry->prefix)) == 0) {
3185
3186 /*
3187 * if the IP address is terminating with a '/',
3188 * remove it.
3189 * Byte 0 consists of the length of the string.
3190 */
3191 rsp_str = &(gmal_entry->prefix[0]);
3192 if (rsp_str[gmal_entry->len-1] == '/')
3193 rsp_str[gmal_entry->len-1] = 0;
3194
3195 /* copy IP Address to fabric */
3196 strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
3197 gmal_entry->ip_addr,
3198 BFA_FCS_FABRIC_IPADDR_SZ);
3199 break;
3200 } else {
3201 --num_entries;
3202 ++gmal_entry;
3203 }
3204 }
3205
3206 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3207 return;
3208 }
3209
3210 bfa_trc(port->fcs, cthdr->reason_code);
3211 bfa_trc(port->fcs, cthdr->exp_code);
3212 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3213 }
3214
3215 static void
3216 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
3217 enum port_ms_event event)
3218 {
3219 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3220 bfa_trc(ms->port->fcs, event);
3221
3222 switch (event) {
3223 case MSSM_EVENT_FCXP_SENT:
3224 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
3225 break;
3226
3227 case MSSM_EVENT_PORT_OFFLINE:
3228 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3229 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3230 &ms->fcxp_wqe);
3231 break;
3232
3233 default:
3234 bfa_sm_fault(ms->port->fcs, event);
3235 }
3236 }
3237
3238 static void
3239 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
3240 enum port_ms_event event)
3241 {
3242 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3243 bfa_trc(ms->port->fcs, event);
3244
3245 switch (event) {
3246 case MSSM_EVENT_RSP_ERROR:
3247 /*
3248 * Start timer for a delayed retry
3249 */
3250 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3251 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
3252 ms->port->stats.ms_retries++;
3253 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3254 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3255 BFA_FCS_RETRY_TIMEOUT);
3256 } else {
3257 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3258 ms->retry_cnt = 0;
3259 }
3260 break;
3261
3262 case MSSM_EVENT_RSP_OK:
3263 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3264 break;
3265
3266 case MSSM_EVENT_PORT_OFFLINE:
3267 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3268 bfa_fcxp_discard(ms->fcxp);
3269 break;
3270
3271 default:
3272 bfa_sm_fault(ms->port->fcs, event);
3273 }
3274 }
3275
3276 static void
3277 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
3278 enum port_ms_event event)
3279 {
3280 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3281 bfa_trc(ms->port->fcs, event);
3282
3283 switch (event) {
3284 case MSSM_EVENT_TIMEOUT:
3285 /*
3286 * Retry Timer Expired. Re-send
3287 */
3288 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3289 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3290 break;
3291
3292 case MSSM_EVENT_PORT_OFFLINE:
3293 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3294 bfa_timer_stop(&ms->timer);
3295 break;
3296
3297 default:
3298 bfa_sm_fault(ms->port->fcs, event);
3299 }
3300 }
3301 /*
3302 * ms_pvt MS local functions
3303 */
3304
3305 static void
3306 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3307 {
3308 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3309 bfa_fcs_lport_t *port = ms->port;
3310 struct fchs_s fchs;
3311 int len;
3312 struct bfa_fcxp_s *fcxp;
3313
3314 bfa_trc(port->fcs, port->pid);
3315
3316 fcxp = fcxp_alloced ? fcxp_alloced :
3317 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3318 if (!fcxp) {
3319 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3320 bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
3321 return;
3322 }
3323 ms->fcxp = fcxp;
3324
3325 len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3326 bfa_fcs_lport_get_fcid(port),
3327 port->fabric->lps->pr_nwwn);
3328
3329 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3330 FC_CLASS_3, len, &fchs,
3331 bfa_fcs_lport_ms_gfn_response, (void *)ms,
3332 FC_MAX_PDUSZ, FC_FCCT_TOV);
3333
3334 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3335 }
3336
3337 static void
3338 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3339 void *cbarg, bfa_status_t req_status, u32 rsp_len,
3340 u32 resid_len, struct fchs_s *rsp_fchs)
3341 {
3342 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3343 bfa_fcs_lport_t *port = ms->port;
3344 struct ct_hdr_s *cthdr = NULL;
3345 wwn_t *gfn_resp;
3346
3347 bfa_trc(port->fcs, req_status);
3348 bfa_trc(port->fcs, port->port_cfg.pwwn);
3349
3350 /*
3351 * Sanity Checks
3352 */
3353 if (req_status != BFA_STATUS_OK) {
3354 bfa_trc(port->fcs, req_status);
3355 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3356 return;
3357 }
3358
3359 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3360 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3361
3362 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3363 gfn_resp = (wwn_t *)(cthdr + 1);
3364 /* check if it has actually changed */
3365 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
3366 gfn_resp, sizeof(wwn_t)) != 0)) {
3367 bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
3368 }
3369 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3370 return;
3371 }
3372
3373 bfa_trc(port->fcs, cthdr->reason_code);
3374 bfa_trc(port->fcs, cthdr->exp_code);
3375 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3376 }
3377
3378 /*
3379 * ms_pvt MS local functions
3380 */
3381
3382 static void
3383 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3384 {
3385 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3386 struct bfa_fcs_lport_s *port = ms->port;
3387 struct fchs_s fchs;
3388 int len;
3389 struct bfa_fcxp_s *fcxp;
3390
3391 bfa_trc(port->fcs, port->pid);
3392
3393 fcxp = fcxp_alloced ? fcxp_alloced :
3394 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3395 if (!fcxp) {
3396 port->stats.ms_plogi_alloc_wait++;
3397 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3398 bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
3399 return;
3400 }
3401 ms->fcxp = fcxp;
3402
3403 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3404 bfa_hton3b(FC_MGMT_SERVER),
3405 bfa_fcs_lport_get_fcid(port), 0,
3406 port->port_cfg.pwwn, port->port_cfg.nwwn,
3407 bfa_fcport_get_maxfrsize(port->fcs->bfa),
3408 bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3409
3410 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3411 FC_CLASS_3, len, &fchs,
3412 bfa_fcs_lport_ms_plogi_response, (void *)ms,
3413 FC_MAX_PDUSZ, FC_ELS_TOV);
3414
3415 port->stats.ms_plogi_sent++;
3416 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3417 }
3418
3419 static void
3420 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3421 void *cbarg, bfa_status_t req_status,
3422 u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
3423 {
3424 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3425 struct bfa_fcs_lport_s *port = ms->port;
3426 struct fc_els_cmd_s *els_cmd;
3427 struct fc_ls_rjt_s *ls_rjt;
3428
3429 bfa_trc(port->fcs, req_status);
3430 bfa_trc(port->fcs, port->port_cfg.pwwn);
3431
3432 /*
3433 * Sanity Checks
3434 */
3435 if (req_status != BFA_STATUS_OK) {
3436 port->stats.ms_plogi_rsp_err++;
3437 bfa_trc(port->fcs, req_status);
3438 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3439 return;
3440 }
3441
3442 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3443
3444 switch (els_cmd->els_code) {
3445
3446 case FC_ELS_ACC:
3447 if (rsp_len < sizeof(struct fc_logi_s)) {
3448 bfa_trc(port->fcs, rsp_len);
3449 port->stats.ms_plogi_acc_err++;
3450 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3451 break;
3452 }
3453 port->stats.ms_plogi_accepts++;
3454 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3455 break;
3456
3457 case FC_ELS_LS_RJT:
3458 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3459
3460 bfa_trc(port->fcs, ls_rjt->reason_code);
3461 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3462
3463 port->stats.ms_rejects++;
3464 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3465 break;
3466
3467 default:
3468 port->stats.ms_plogi_unknown_rsp++;
3469 bfa_trc(port->fcs, els_cmd->els_code);
3470 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3471 }
3472 }
3473
3474 static void
3475 bfa_fcs_lport_ms_timeout(void *arg)
3476 {
3477 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
3478
3479 ms->port->stats.ms_timeouts++;
3480 bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
3481 }
3482
3483
3484 void
3485 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
3486 {
3487 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3488
3489 ms->port = port;
3490 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3491
3492 /*
3493 * Invoke init routines of sub modules.
3494 */
3495 bfa_fcs_lport_fdmi_init(ms);
3496 }
3497
3498 void
3499 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
3500 {
3501 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3502
3503 ms->port = port;
3504 bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
3505 bfa_fcs_lport_fdmi_offline(ms);
3506 }
3507
3508 void
3509 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3510 {
3511 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3512
3513 ms->port = port;
3514 bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3515 }
3516 void
3517 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3518 {
3519 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3520
3521 /* todo. Handle this only when in Online state */
3522 if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3523 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3524 }
3525
3526 /*
3527 * @page ns_sm_info VPORT NS State Machine
3528 *
3529 * @section ns_sm_interactions VPORT NS State Machine Interactions
3530 *
3531 * @section ns_sm VPORT NS State Machine
3532 * img ns_sm.jpg
3533 */
3534
3535 /*
3536 * forward declarations
3537 */
3538 static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3539 struct bfa_fcxp_s *fcxp_alloced);
3540 static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3541 struct bfa_fcxp_s *fcxp_alloced);
3542 static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3543 struct bfa_fcxp_s *fcxp_alloced);
3544 static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3545 struct bfa_fcxp_s *fcxp_alloced);
3546 static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3547 struct bfa_fcxp_s *fcxp_alloced);
3548 static void bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
3549 struct bfa_fcxp_s *fcxp_alloced);
3550 static void bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
3551 struct bfa_fcxp_s *fcxp_alloced);
3552 static void bfa_fcs_lport_ns_timeout(void *arg);
3553 static void bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3554 struct bfa_fcxp_s *fcxp,
3555 void *cbarg,
3556 bfa_status_t req_status,
3557 u32 rsp_len,
3558 u32 resid_len,
3559 struct fchs_s *rsp_fchs);
3560 static void bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3561 struct bfa_fcxp_s *fcxp,
3562 void *cbarg,
3563 bfa_status_t req_status,
3564 u32 rsp_len,
3565 u32 resid_len,
3566 struct fchs_s *rsp_fchs);
3567 static void bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3568 struct bfa_fcxp_s *fcxp,
3569 void *cbarg,
3570 bfa_status_t req_status,
3571 u32 rsp_len,
3572 u32 resid_len,
3573 struct fchs_s *rsp_fchs);
3574 static void bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3575 struct bfa_fcxp_s *fcxp,
3576 void *cbarg,
3577 bfa_status_t req_status,
3578 u32 rsp_len,
3579 u32 resid_len,
3580 struct fchs_s *rsp_fchs);
3581 static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3582 struct bfa_fcxp_s *fcxp,
3583 void *cbarg,
3584 bfa_status_t req_status,
3585 u32 rsp_len,
3586 u32 resid_len,
3587 struct fchs_s *rsp_fchs);
3588 static void bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
3589 struct bfa_fcxp_s *fcxp,
3590 void *cbarg,
3591 bfa_status_t req_status,
3592 u32 rsp_len,
3593 u32 resid_len,
3594 struct fchs_s *rsp_fchs);
3595 static void bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
3596 struct bfa_fcxp_s *fcxp,
3597 void *cbarg,
3598 bfa_status_t req_status,
3599 u32 rsp_len,
3600 u32 resid_len,
3601 struct fchs_s *rsp_fchs);
3602 static void bfa_fcs_lport_ns_process_gidft_pids(
3603 struct bfa_fcs_lport_s *port,
3604 u32 *pid_buf, u32 n_pids);
3605
3606 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3607 /*
3608 * fcs_ns_sm FCS nameserver interface state machine
3609 */
3610
3611 /*
3612 * VPort NS State Machine events
3613 */
3614 enum vport_ns_event {
3615 NSSM_EVENT_PORT_ONLINE = 1,
3616 NSSM_EVENT_PORT_OFFLINE = 2,
3617 NSSM_EVENT_PLOGI_SENT = 3,
3618 NSSM_EVENT_RSP_OK = 4,
3619 NSSM_EVENT_RSP_ERROR = 5,
3620 NSSM_EVENT_TIMEOUT = 6,
3621 NSSM_EVENT_NS_QUERY = 7,
3622 NSSM_EVENT_RSPNID_SENT = 8,
3623 NSSM_EVENT_RFTID_SENT = 9,
3624 NSSM_EVENT_RFFID_SENT = 10,
3625 NSSM_EVENT_GIDFT_SENT = 11,
3626 NSSM_EVENT_RNNID_SENT = 12,
3627 NSSM_EVENT_RSNN_NN_SENT = 13,
3628 };
3629
3630 static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3631 enum vport_ns_event event);
3632 static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3633 enum vport_ns_event event);
3634 static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3635 enum vport_ns_event event);
3636 static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3637 enum vport_ns_event event);
3638 static void bfa_fcs_lport_ns_sm_sending_rspn_id(
3639 struct bfa_fcs_lport_ns_s *ns,
3640 enum vport_ns_event event);
3641 static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3642 enum vport_ns_event event);
3643 static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3644 enum vport_ns_event event);
3645 static void bfa_fcs_lport_ns_sm_sending_rft_id(
3646 struct bfa_fcs_lport_ns_s *ns,
3647 enum vport_ns_event event);
3648 static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3649 enum vport_ns_event event);
3650 static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3651 enum vport_ns_event event);
3652 static void bfa_fcs_lport_ns_sm_sending_rff_id(
3653 struct bfa_fcs_lport_ns_s *ns,
3654 enum vport_ns_event event);
3655 static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3656 enum vport_ns_event event);
3657 static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3658 enum vport_ns_event event);
3659 static void bfa_fcs_lport_ns_sm_sending_gid_ft(
3660 struct bfa_fcs_lport_ns_s *ns,
3661 enum vport_ns_event event);
3662 static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3663 enum vport_ns_event event);
3664 static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3665 enum vport_ns_event event);
3666 static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3667 enum vport_ns_event event);
3668 static void bfa_fcs_lport_ns_sm_sending_rnn_id(
3669 struct bfa_fcs_lport_ns_s *ns,
3670 enum vport_ns_event event);
3671 static void bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3672 enum vport_ns_event event);
3673 static void bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3674 enum vport_ns_event event);
3675 static void bfa_fcs_lport_ns_sm_sending_rsnn_nn(
3676 struct bfa_fcs_lport_ns_s *ns,
3677 enum vport_ns_event event);
3678 static void bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3679 enum vport_ns_event event);
3680 static void bfa_fcs_lport_ns_sm_rsnn_nn_retry(
3681 struct bfa_fcs_lport_ns_s *ns,
3682 enum vport_ns_event event);
3683 /*
3684 * Start in offline state - awaiting linkup
3685 */
3686 static void
3687 bfa_fcs_lport_ns_sm_offline(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_PORT_ONLINE:
3695 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3696 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3697 break;
3698
3699 case NSSM_EVENT_PORT_OFFLINE:
3700 break;
3701
3702 default:
3703 bfa_sm_fault(ns->port->fcs, event);
3704 }
3705 }
3706
3707 static void
3708 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3709 enum vport_ns_event event)
3710 {
3711 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3712 bfa_trc(ns->port->fcs, event);
3713
3714 switch (event) {
3715 case NSSM_EVENT_PLOGI_SENT:
3716 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3717 break;
3718
3719 case NSSM_EVENT_PORT_OFFLINE:
3720 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3721 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3722 &ns->fcxp_wqe);
3723 break;
3724
3725 default:
3726 bfa_sm_fault(ns->port->fcs, event);
3727 }
3728 }
3729
3730 static void
3731 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3732 enum vport_ns_event event)
3733 {
3734 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3735 bfa_trc(ns->port->fcs, event);
3736
3737 switch (event) {
3738 case NSSM_EVENT_RSP_ERROR:
3739 /*
3740 * Start timer for a delayed retry
3741 */
3742 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3743 ns->port->stats.ns_retries++;
3744 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3745 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3746 BFA_FCS_RETRY_TIMEOUT);
3747 break;
3748
3749 case NSSM_EVENT_RSP_OK:
3750 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3751 ns->num_rnnid_retries = 0;
3752 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3753 break;
3754
3755 case NSSM_EVENT_PORT_OFFLINE:
3756 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3757 bfa_fcxp_discard(ns->fcxp);
3758 break;
3759
3760 default:
3761 bfa_sm_fault(ns->port->fcs, event);
3762 }
3763 }
3764
3765 static void
3766 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3767 enum vport_ns_event event)
3768 {
3769 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3770 bfa_trc(ns->port->fcs, event);
3771
3772 switch (event) {
3773 case NSSM_EVENT_TIMEOUT:
3774 /*
3775 * Retry Timer Expired. Re-send
3776 */
3777 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3778 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3779 break;
3780
3781 case NSSM_EVENT_PORT_OFFLINE:
3782 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3783 bfa_timer_stop(&ns->timer);
3784 break;
3785
3786 default:
3787 bfa_sm_fault(ns->port->fcs, event);
3788 }
3789 }
3790
3791 static void
3792 bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3793 enum vport_ns_event event)
3794 {
3795 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3796 bfa_trc(ns->port->fcs, event);
3797
3798 switch (event) {
3799 case NSSM_EVENT_RNNID_SENT:
3800 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
3801 break;
3802
3803 case NSSM_EVENT_PORT_OFFLINE:
3804 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3805 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3806 &ns->fcxp_wqe);
3807 break;
3808 default:
3809 bfa_sm_fault(ns->port->fcs, event);
3810 }
3811 }
3812
3813 static void
3814 bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3815 enum vport_ns_event event)
3816 {
3817 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3818 bfa_trc(ns->port->fcs, event);
3819
3820 switch (event) {
3821 case NSSM_EVENT_RSP_OK:
3822 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3823 ns->num_rnnid_retries = 0;
3824 ns->num_rsnn_nn_retries = 0;
3825 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3826 break;
3827
3828 case NSSM_EVENT_RSP_ERROR:
3829 if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
3830 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
3831 ns->port->stats.ns_retries++;
3832 ns->num_rnnid_retries++;
3833 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3834 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3835 BFA_FCS_RETRY_TIMEOUT);
3836 } else {
3837 bfa_sm_set_state(ns,
3838 bfa_fcs_lport_ns_sm_sending_rspn_id);
3839 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3840 }
3841 break;
3842
3843 case NSSM_EVENT_PORT_OFFLINE:
3844 bfa_fcxp_discard(ns->fcxp);
3845 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3846 break;
3847
3848 default:
3849 bfa_sm_fault(ns->port->fcs, event);
3850 }
3851 }
3852
3853 static void
3854 bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3855 enum vport_ns_event event)
3856 {
3857 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3858 bfa_trc(ns->port->fcs, event);
3859
3860 switch (event) {
3861 case NSSM_EVENT_TIMEOUT:
3862 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3863 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3864 break;
3865
3866 case NSSM_EVENT_PORT_OFFLINE:
3867 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3868 bfa_timer_stop(&ns->timer);
3869 break;
3870
3871 default:
3872 bfa_sm_fault(ns->port->fcs, event);
3873 }
3874 }
3875
3876 static void
3877 bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3878 enum vport_ns_event event)
3879 {
3880 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3881 bfa_trc(ns->port->fcs, event);
3882
3883 switch (event) {
3884 case NSSM_EVENT_RSNN_NN_SENT:
3885 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
3886 break;
3887
3888 case NSSM_EVENT_PORT_OFFLINE:
3889 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3890 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3891 &ns->fcxp_wqe);
3892 break;
3893
3894 default:
3895 bfa_sm_fault(ns->port->fcs, event);
3896 }
3897 }
3898
3899 static void
3900 bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3901 enum vport_ns_event event)
3902 {
3903 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3904 bfa_trc(ns->port->fcs, event);
3905
3906 switch (event) {
3907 case NSSM_EVENT_RSP_OK:
3908 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3909 ns->num_rsnn_nn_retries = 0;
3910 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3911 break;
3912
3913 case NSSM_EVENT_RSP_ERROR:
3914 if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
3915 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
3916 ns->port->stats.ns_retries++;
3917 ns->num_rsnn_nn_retries++;
3918 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3919 &ns->timer, bfa_fcs_lport_ns_timeout,
3920 ns, BFA_FCS_RETRY_TIMEOUT);
3921 } else {
3922 bfa_sm_set_state(ns,
3923 bfa_fcs_lport_ns_sm_sending_rspn_id);
3924 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3925 }
3926 break;
3927
3928 case NSSM_EVENT_PORT_OFFLINE:
3929 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3930 bfa_fcxp_discard(ns->fcxp);
3931 break;
3932
3933 default:
3934 bfa_sm_fault(ns->port->fcs, event);
3935 }
3936 }
3937
3938 static void
3939 bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
3940 enum vport_ns_event event)
3941 {
3942 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3943 bfa_trc(ns->port->fcs, event);
3944
3945 switch (event) {
3946 case NSSM_EVENT_TIMEOUT:
3947 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3948 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3949 break;
3950
3951 case NSSM_EVENT_PORT_OFFLINE:
3952 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3953 bfa_timer_stop(&ns->timer);
3954 break;
3955
3956 default:
3957 bfa_sm_fault(ns->port->fcs, event);
3958 }
3959 }
3960
3961 static void
3962 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3963 enum vport_ns_event event)
3964 {
3965 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3966 bfa_trc(ns->port->fcs, event);
3967
3968 switch (event) {
3969 case NSSM_EVENT_RSPNID_SENT:
3970 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
3971 break;
3972
3973 case NSSM_EVENT_PORT_OFFLINE:
3974 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3975 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3976 &ns->fcxp_wqe);
3977 break;
3978
3979 default:
3980 bfa_sm_fault(ns->port->fcs, event);
3981 }
3982 }
3983
3984 static void
3985 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3986 enum vport_ns_event event)
3987 {
3988 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3989 bfa_trc(ns->port->fcs, event);
3990
3991 switch (event) {
3992 case NSSM_EVENT_RSP_ERROR:
3993 /*
3994 * Start timer for a delayed retry
3995 */
3996 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
3997 ns->port->stats.ns_retries++;
3998 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3999 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4000 BFA_FCS_RETRY_TIMEOUT);
4001 break;
4002
4003 case NSSM_EVENT_RSP_OK:
4004 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4005 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4006 break;
4007
4008 case NSSM_EVENT_PORT_OFFLINE:
4009 bfa_fcxp_discard(ns->fcxp);
4010 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4011 break;
4012
4013 default:
4014 bfa_sm_fault(ns->port->fcs, event);
4015 }
4016 }
4017
4018 static void
4019 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
4020 enum vport_ns_event event)
4021 {
4022 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4023 bfa_trc(ns->port->fcs, event);
4024
4025 switch (event) {
4026 case NSSM_EVENT_TIMEOUT:
4027 /*
4028 * Retry Timer Expired. Re-send
4029 */
4030 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
4031 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
4032 break;
4033
4034 case NSSM_EVENT_PORT_OFFLINE:
4035 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4036 bfa_timer_stop(&ns->timer);
4037 break;
4038
4039 default:
4040 bfa_sm_fault(ns->port->fcs, event);
4041 }
4042 }
4043
4044 static void
4045 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
4046 enum vport_ns_event event)
4047 {
4048 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4049 bfa_trc(ns->port->fcs, event);
4050
4051 switch (event) {
4052 case NSSM_EVENT_RFTID_SENT:
4053 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
4054 break;
4055
4056 case NSSM_EVENT_PORT_OFFLINE:
4057 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4058 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4059 &ns->fcxp_wqe);
4060 break;
4061
4062 default:
4063 bfa_sm_fault(ns->port->fcs, event);
4064 }
4065 }
4066
4067 static void
4068 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
4069 enum vport_ns_event event)
4070 {
4071 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4072 bfa_trc(ns->port->fcs, event);
4073
4074 switch (event) {
4075 case NSSM_EVENT_RSP_OK:
4076 /* Now move to register FC4 Features */
4077 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4078 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4079 break;
4080
4081 case NSSM_EVENT_RSP_ERROR:
4082 /*
4083 * Start timer for a delayed retry
4084 */
4085 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
4086 ns->port->stats.ns_retries++;
4087 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4088 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4089 BFA_FCS_RETRY_TIMEOUT);
4090 break;
4091
4092 case NSSM_EVENT_PORT_OFFLINE:
4093 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4094 bfa_fcxp_discard(ns->fcxp);
4095 break;
4096
4097 default:
4098 bfa_sm_fault(ns->port->fcs, event);
4099 }
4100 }
4101
4102 static void
4103 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
4104 enum vport_ns_event event)
4105 {
4106 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4107 bfa_trc(ns->port->fcs, event);
4108
4109 switch (event) {
4110 case NSSM_EVENT_TIMEOUT:
4111 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4112 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4113 break;
4114
4115 case NSSM_EVENT_PORT_OFFLINE:
4116 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4117 bfa_timer_stop(&ns->timer);
4118 break;
4119
4120 default:
4121 bfa_sm_fault(ns->port->fcs, event);
4122 }
4123 }
4124
4125 static void
4126 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
4127 enum vport_ns_event event)
4128 {
4129 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4130 bfa_trc(ns->port->fcs, event);
4131
4132 switch (event) {
4133 case NSSM_EVENT_RFFID_SENT:
4134 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
4135 break;
4136
4137 case NSSM_EVENT_PORT_OFFLINE:
4138 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4139 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4140 &ns->fcxp_wqe);
4141 break;
4142
4143 default:
4144 bfa_sm_fault(ns->port->fcs, event);
4145 }
4146 }
4147
4148 static void
4149 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
4150 enum vport_ns_event event)
4151 {
4152 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4153 bfa_trc(ns->port->fcs, event);
4154
4155 switch (event) {
4156 case NSSM_EVENT_RSP_OK:
4157
4158 /*
4159 * If min cfg mode is enabled, we donot initiate rport
4160 * discovery with the fabric. Instead, we will retrieve the
4161 * boot targets from HAL/FW.
4162 */
4163 if (__fcs_min_cfg(ns->port->fcs)) {
4164 bfa_fcs_lport_ns_boot_target_disc(ns->port);
4165 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4166 return;
4167 }
4168
4169 /*
4170 * If the port role is Initiator Mode issue NS query.
4171 * If it is Target Mode, skip this and go to online.
4172 */
4173 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4174 bfa_sm_set_state(ns,
4175 bfa_fcs_lport_ns_sm_sending_gid_ft);
4176 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4177 }
4178 /*
4179 * kick off mgmt srvr state machine
4180 */
4181 bfa_fcs_lport_ms_online(ns->port);
4182 break;
4183
4184 case NSSM_EVENT_RSP_ERROR:
4185 /*
4186 * Start timer for a delayed retry
4187 */
4188 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
4189 ns->port->stats.ns_retries++;
4190 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4191 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4192 BFA_FCS_RETRY_TIMEOUT);
4193 break;
4194
4195 case NSSM_EVENT_PORT_OFFLINE:
4196 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4197 bfa_fcxp_discard(ns->fcxp);
4198 break;
4199
4200 default:
4201 bfa_sm_fault(ns->port->fcs, event);
4202 }
4203 }
4204
4205 static void
4206 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
4207 enum vport_ns_event event)
4208 {
4209 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4210 bfa_trc(ns->port->fcs, event);
4211
4212 switch (event) {
4213 case NSSM_EVENT_TIMEOUT:
4214 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4215 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4216 break;
4217
4218 case NSSM_EVENT_PORT_OFFLINE:
4219 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4220 bfa_timer_stop(&ns->timer);
4221 break;
4222
4223 default:
4224 bfa_sm_fault(ns->port->fcs, event);
4225 }
4226 }
4227 static void
4228 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4229 enum vport_ns_event event)
4230 {
4231 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4232 bfa_trc(ns->port->fcs, event);
4233
4234 switch (event) {
4235 case NSSM_EVENT_GIDFT_SENT:
4236 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
4237 break;
4238
4239 case NSSM_EVENT_PORT_OFFLINE:
4240 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4241 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4242 &ns->fcxp_wqe);
4243 break;
4244
4245 default:
4246 bfa_sm_fault(ns->port->fcs, event);
4247 }
4248 }
4249
4250 static void
4251 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4252 enum vport_ns_event event)
4253 {
4254 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4255 bfa_trc(ns->port->fcs, event);
4256
4257 switch (event) {
4258 case NSSM_EVENT_RSP_OK:
4259 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4260 break;
4261
4262 case NSSM_EVENT_RSP_ERROR:
4263 /*
4264 * TBD: for certain reject codes, we don't need to retry
4265 */
4266 /*
4267 * Start timer for a delayed retry
4268 */
4269 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
4270 ns->port->stats.ns_retries++;
4271 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4272 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4273 BFA_FCS_RETRY_TIMEOUT);
4274 break;
4275
4276 case NSSM_EVENT_PORT_OFFLINE:
4277 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4278 bfa_fcxp_discard(ns->fcxp);
4279 break;
4280
4281 case NSSM_EVENT_NS_QUERY:
4282 break;
4283
4284 default:
4285 bfa_sm_fault(ns->port->fcs, event);
4286 }
4287 }
4288
4289 static void
4290 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
4291 enum vport_ns_event event)
4292 {
4293 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4294 bfa_trc(ns->port->fcs, event);
4295
4296 switch (event) {
4297 case NSSM_EVENT_TIMEOUT:
4298 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
4299 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4300 break;
4301
4302 case NSSM_EVENT_PORT_OFFLINE:
4303 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4304 bfa_timer_stop(&ns->timer);
4305 break;
4306
4307 default:
4308 bfa_sm_fault(ns->port->fcs, event);
4309 }
4310 }
4311
4312 static void
4313 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
4314 enum vport_ns_event event)
4315 {
4316 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4317 bfa_trc(ns->port->fcs, event);
4318
4319 switch (event) {
4320 case NSSM_EVENT_PORT_OFFLINE:
4321 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4322 break;
4323
4324 case NSSM_EVENT_NS_QUERY:
4325 /*
4326 * If the port role is Initiator Mode issue NS query.
4327 * If it is Target Mode, skip this and go to online.
4328 */
4329 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4330 bfa_sm_set_state(ns,
4331 bfa_fcs_lport_ns_sm_sending_gid_ft);
4332 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4333 };
4334 break;
4335
4336 default:
4337 bfa_sm_fault(ns->port->fcs, event);
4338 }
4339 }
4340
4341
4342
4343 /*
4344 * ns_pvt Nameserver local functions
4345 */
4346
4347 static void
4348 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4349 {
4350 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4351 struct bfa_fcs_lport_s *port = ns->port;
4352 struct fchs_s fchs;
4353 int len;
4354 struct bfa_fcxp_s *fcxp;
4355
4356 bfa_trc(port->fcs, port->pid);
4357
4358 fcxp = fcxp_alloced ? fcxp_alloced :
4359 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4360 if (!fcxp) {
4361 port->stats.ns_plogi_alloc_wait++;
4362 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4363 bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
4364 return;
4365 }
4366 ns->fcxp = fcxp;
4367
4368 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4369 bfa_hton3b(FC_NAME_SERVER),
4370 bfa_fcs_lport_get_fcid(port), 0,
4371 port->port_cfg.pwwn, port->port_cfg.nwwn,
4372 bfa_fcport_get_maxfrsize(port->fcs->bfa),
4373 bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
4374
4375 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4376 FC_CLASS_3, len, &fchs,
4377 bfa_fcs_lport_ns_plogi_response, (void *)ns,
4378 FC_MAX_PDUSZ, FC_ELS_TOV);
4379 port->stats.ns_plogi_sent++;
4380
4381 bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
4382 }
4383
4384 static void
4385 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4386 void *cbarg, bfa_status_t req_status, u32 rsp_len,
4387 u32 resid_len, struct fchs_s *rsp_fchs)
4388 {
4389 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4390 struct bfa_fcs_lport_s *port = ns->port;
4391 /* struct fc_logi_s *plogi_resp; */
4392 struct fc_els_cmd_s *els_cmd;
4393 struct fc_ls_rjt_s *ls_rjt;
4394
4395 bfa_trc(port->fcs, req_status);
4396 bfa_trc(port->fcs, port->port_cfg.pwwn);
4397
4398 /*
4399 * Sanity Checks
4400 */
4401 if (req_status != BFA_STATUS_OK) {
4402 bfa_trc(port->fcs, req_status);
4403 port->stats.ns_plogi_rsp_err++;
4404 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4405 return;
4406 }
4407
4408 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4409
4410 switch (els_cmd->els_code) {
4411
4412 case FC_ELS_ACC:
4413 if (rsp_len < sizeof(struct fc_logi_s)) {
4414 bfa_trc(port->fcs, rsp_len);
4415 port->stats.ns_plogi_acc_err++;
4416 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4417 break;
4418 }
4419 port->stats.ns_plogi_accepts++;
4420 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4421 break;
4422
4423 case FC_ELS_LS_RJT:
4424 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4425
4426 bfa_trc(port->fcs, ls_rjt->reason_code);
4427 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4428
4429 port->stats.ns_rejects++;
4430
4431 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4432 break;
4433
4434 default:
4435 port->stats.ns_plogi_unknown_rsp++;
4436 bfa_trc(port->fcs, els_cmd->els_code);
4437 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4438 }
4439 }
4440
4441 /*
4442 * Register node name for port_id
4443 */
4444 static void
4445 bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4446 {
4447 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4448 struct bfa_fcs_lport_s *port = ns->port;
4449 struct fchs_s fchs;
4450 int len;
4451 struct bfa_fcxp_s *fcxp;
4452
4453 bfa_trc(port->fcs, port->port_cfg.pwwn);
4454
4455 fcxp = fcxp_alloced ? fcxp_alloced :
4456 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4457 if (!fcxp) {
4458 port->stats.ns_rnnid_alloc_wait++;
4459 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4460 bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
4461 return;
4462 }
4463
4464 ns->fcxp = fcxp;
4465
4466 len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4467 bfa_fcs_lport_get_fcid(port),
4468 bfa_fcs_lport_get_fcid(port),
4469 bfa_fcs_lport_get_nwwn(port));
4470
4471 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4472 FC_CLASS_3, len, &fchs,
4473 bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
4474 FC_MAX_PDUSZ, FC_FCCT_TOV);
4475
4476 port->stats.ns_rnnid_sent++;
4477 bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
4478 }
4479
4480 static void
4481 bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4482 void *cbarg, bfa_status_t req_status,
4483 u32 rsp_len, u32 resid_len,
4484 struct fchs_s *rsp_fchs)
4485
4486 {
4487 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4488 struct bfa_fcs_lport_s *port = ns->port;
4489 struct ct_hdr_s *cthdr = NULL;
4490
4491 bfa_trc(port->fcs, port->port_cfg.pwwn);
4492
4493 /*
4494 * Sanity Checks
4495 */
4496 if (req_status != BFA_STATUS_OK) {
4497 bfa_trc(port->fcs, req_status);
4498 port->stats.ns_rnnid_rsp_err++;
4499 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4500 return;
4501 }
4502
4503 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4504 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4505
4506 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4507 port->stats.ns_rnnid_accepts++;
4508 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4509 return;
4510 }
4511
4512 port->stats.ns_rnnid_rejects++;
4513 bfa_trc(port->fcs, cthdr->reason_code);
4514 bfa_trc(port->fcs, cthdr->exp_code);
4515 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4516 }
4517
4518 /*
4519 * Register the symbolic node name for a given node name.
4520 */
4521 static void
4522 bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4523 {
4524 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4525 struct bfa_fcs_lport_s *port = ns->port;
4526 struct fchs_s fchs;
4527 int len;
4528 struct bfa_fcxp_s *fcxp;
4529 u8 *nsymbl;
4530
4531 bfa_trc(port->fcs, port->port_cfg.pwwn);
4532
4533 fcxp = fcxp_alloced ? fcxp_alloced :
4534 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4535 if (!fcxp) {
4536 port->stats.ns_rsnn_nn_alloc_wait++;
4537 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4538 bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
4539 return;
4540 }
4541 ns->fcxp = fcxp;
4542
4543 nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
4544 bfa_fcs_get_base_port(port->fcs)));
4545
4546 len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4547 bfa_fcs_lport_get_fcid(port),
4548 bfa_fcs_lport_get_nwwn(port), nsymbl);
4549
4550 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4551 FC_CLASS_3, len, &fchs,
4552 bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
4553 FC_MAX_PDUSZ, FC_FCCT_TOV);
4554
4555 port->stats.ns_rsnn_nn_sent++;
4556
4557 bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
4558 }
4559
4560 static void
4561 bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4562 void *cbarg, bfa_status_t req_status,
4563 u32 rsp_len, u32 resid_len,
4564 struct fchs_s *rsp_fchs)
4565 {
4566 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4567 struct bfa_fcs_lport_s *port = ns->port;
4568 struct ct_hdr_s *cthdr = NULL;
4569
4570 bfa_trc(port->fcs, port->port_cfg.pwwn);
4571
4572 /*
4573 * Sanity Checks
4574 */
4575 if (req_status != BFA_STATUS_OK) {
4576 bfa_trc(port->fcs, req_status);
4577 port->stats.ns_rsnn_nn_rsp_err++;
4578 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4579 return;
4580 }
4581
4582 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4583 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4584
4585 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4586 port->stats.ns_rsnn_nn_accepts++;
4587 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4588 return;
4589 }
4590
4591 port->stats.ns_rsnn_nn_rejects++;
4592 bfa_trc(port->fcs, cthdr->reason_code);
4593 bfa_trc(port->fcs, cthdr->exp_code);
4594 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4595 }
4596
4597 /*
4598 * Register the symbolic port name.
4599 */
4600 static void
4601 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4602 {
4603 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4604 struct bfa_fcs_lport_s *port = ns->port;
4605 struct fchs_s fchs;
4606 int len;
4607 struct bfa_fcxp_s *fcxp;
4608 u8 symbl[256];
4609 u8 *psymbl = &symbl[0];
4610
4611 memset(symbl, 0, sizeof(symbl));
4612
4613 bfa_trc(port->fcs, port->port_cfg.pwwn);
4614
4615 fcxp = fcxp_alloced ? fcxp_alloced :
4616 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4617 if (!fcxp) {
4618 port->stats.ns_rspnid_alloc_wait++;
4619 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4620 bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
4621 return;
4622 }
4623 ns->fcxp = fcxp;
4624
4625 /*
4626 * for V-Port, form a Port Symbolic Name
4627 */
4628 if (port->vport) {
4629 /*
4630 * For Vports, we append the vport's port symbolic name
4631 * to that of the base port.
4632 */
4633
4634 strncpy((char *)psymbl,
4635 (char *) &
4636 (bfa_fcs_lport_get_psym_name
4637 (bfa_fcs_get_base_port(port->fcs))),
4638 strlen((char *) &
4639 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4640 (port->fcs))));
4641
4642 /* Ensure we have a null terminating string. */
4643 ((char *)psymbl)[strlen((char *) &
4644 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4645 (port->fcs)))] = 0;
4646 strncat((char *)psymbl,
4647 (char *) &(bfa_fcs_lport_get_psym_name(port)),
4648 strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
4649 } else {
4650 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
4651 }
4652
4653 len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4654 bfa_fcs_lport_get_fcid(port), 0, psymbl);
4655
4656 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4657 FC_CLASS_3, len, &fchs,
4658 bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
4659 FC_MAX_PDUSZ, FC_FCCT_TOV);
4660
4661 port->stats.ns_rspnid_sent++;
4662
4663 bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
4664 }
4665
4666 static void
4667 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4668 void *cbarg, bfa_status_t req_status,
4669 u32 rsp_len, u32 resid_len,
4670 struct fchs_s *rsp_fchs)
4671 {
4672 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4673 struct bfa_fcs_lport_s *port = ns->port;
4674 struct ct_hdr_s *cthdr = NULL;
4675
4676 bfa_trc(port->fcs, port->port_cfg.pwwn);
4677
4678 /*
4679 * Sanity Checks
4680 */
4681 if (req_status != BFA_STATUS_OK) {
4682 bfa_trc(port->fcs, req_status);
4683 port->stats.ns_rspnid_rsp_err++;
4684 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4685 return;
4686 }
4687
4688 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4689 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4690
4691 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4692 port->stats.ns_rspnid_accepts++;
4693 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4694 return;
4695 }
4696
4697 port->stats.ns_rspnid_rejects++;
4698 bfa_trc(port->fcs, cthdr->reason_code);
4699 bfa_trc(port->fcs, cthdr->exp_code);
4700 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4701 }
4702
4703 /*
4704 * Register FC4-Types
4705 */
4706 static void
4707 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4708 {
4709 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4710 struct bfa_fcs_lport_s *port = ns->port;
4711 struct fchs_s fchs;
4712 int len;
4713 struct bfa_fcxp_s *fcxp;
4714
4715 bfa_trc(port->fcs, port->port_cfg.pwwn);
4716
4717 fcxp = fcxp_alloced ? fcxp_alloced :
4718 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4719 if (!fcxp) {
4720 port->stats.ns_rftid_alloc_wait++;
4721 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4722 bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
4723 return;
4724 }
4725 ns->fcxp = fcxp;
4726
4727 len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4728 bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
4729
4730 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4731 FC_CLASS_3, len, &fchs,
4732 bfa_fcs_lport_ns_rft_id_response, (void *)ns,
4733 FC_MAX_PDUSZ, FC_FCCT_TOV);
4734
4735 port->stats.ns_rftid_sent++;
4736 bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
4737 }
4738
4739 static void
4740 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4741 void *cbarg, bfa_status_t req_status,
4742 u32 rsp_len, u32 resid_len,
4743 struct fchs_s *rsp_fchs)
4744 {
4745 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4746 struct bfa_fcs_lport_s *port = ns->port;
4747 struct ct_hdr_s *cthdr = NULL;
4748
4749 bfa_trc(port->fcs, port->port_cfg.pwwn);
4750
4751 /*
4752 * Sanity Checks
4753 */
4754 if (req_status != BFA_STATUS_OK) {
4755 bfa_trc(port->fcs, req_status);
4756 port->stats.ns_rftid_rsp_err++;
4757 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4758 return;
4759 }
4760
4761 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4762 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4763
4764 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4765 port->stats.ns_rftid_accepts++;
4766 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4767 return;
4768 }
4769
4770 port->stats.ns_rftid_rejects++;
4771 bfa_trc(port->fcs, cthdr->reason_code);
4772 bfa_trc(port->fcs, cthdr->exp_code);
4773 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4774 }
4775
4776 /*
4777 * Register FC4-Features : Should be done after RFT_ID
4778 */
4779 static void
4780 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4781 {
4782 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4783 struct bfa_fcs_lport_s *port = ns->port;
4784 struct fchs_s fchs;
4785 int len;
4786 struct bfa_fcxp_s *fcxp;
4787 u8 fc4_ftrs = 0;
4788
4789 bfa_trc(port->fcs, port->port_cfg.pwwn);
4790
4791 fcxp = fcxp_alloced ? fcxp_alloced :
4792 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4793 if (!fcxp) {
4794 port->stats.ns_rffid_alloc_wait++;
4795 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4796 bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
4797 return;
4798 }
4799 ns->fcxp = fcxp;
4800
4801 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
4802 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
4803
4804 len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4805 bfa_fcs_lport_get_fcid(port), 0,
4806 FC_TYPE_FCP, fc4_ftrs);
4807
4808 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4809 FC_CLASS_3, len, &fchs,
4810 bfa_fcs_lport_ns_rff_id_response, (void *)ns,
4811 FC_MAX_PDUSZ, FC_FCCT_TOV);
4812
4813 port->stats.ns_rffid_sent++;
4814 bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
4815 }
4816
4817 static void
4818 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4819 void *cbarg, bfa_status_t req_status,
4820 u32 rsp_len, u32 resid_len,
4821 struct fchs_s *rsp_fchs)
4822 {
4823 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4824 struct bfa_fcs_lport_s *port = ns->port;
4825 struct ct_hdr_s *cthdr = NULL;
4826
4827 bfa_trc(port->fcs, port->port_cfg.pwwn);
4828
4829 /*
4830 * Sanity Checks
4831 */
4832 if (req_status != BFA_STATUS_OK) {
4833 bfa_trc(port->fcs, req_status);
4834 port->stats.ns_rffid_rsp_err++;
4835 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4836 return;
4837 }
4838
4839 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4840 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4841
4842 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4843 port->stats.ns_rffid_accepts++;
4844 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4845 return;
4846 }
4847
4848 port->stats.ns_rffid_rejects++;
4849 bfa_trc(port->fcs, cthdr->reason_code);
4850 bfa_trc(port->fcs, cthdr->exp_code);
4851
4852 if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
4853 /* if this command is not supported, we don't retry */
4854 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4855 } else
4856 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4857 }
4858 /*
4859 * Query Fabric for FC4-Types Devices.
4860 *
4861 * TBD : Need to use a local (FCS private) response buffer, since the response
4862 * can be larger than 2K.
4863 */
4864 static void
4865 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4866 {
4867 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4868 struct bfa_fcs_lport_s *port = ns->port;
4869 struct fchs_s fchs;
4870 int len;
4871 struct bfa_fcxp_s *fcxp;
4872
4873 bfa_trc(port->fcs, port->pid);
4874
4875 fcxp = fcxp_alloced ? fcxp_alloced :
4876 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4877 if (!fcxp) {
4878 port->stats.ns_gidft_alloc_wait++;
4879 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4880 bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
4881 return;
4882 }
4883 ns->fcxp = fcxp;
4884
4885 /*
4886 * This query is only initiated for FCP initiator mode.
4887 */
4888 len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4889 ns->port->pid, FC_TYPE_FCP);
4890
4891 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4892 FC_CLASS_3, len, &fchs,
4893 bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4894 bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4895
4896 port->stats.ns_gidft_sent++;
4897
4898 bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4899 }
4900
4901 static void
4902 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4903 void *cbarg, bfa_status_t req_status,
4904 u32 rsp_len, u32 resid_len,
4905 struct fchs_s *rsp_fchs)
4906 {
4907 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4908 struct bfa_fcs_lport_s *port = ns->port;
4909 struct ct_hdr_s *cthdr = NULL;
4910 u32 n_pids;
4911
4912 bfa_trc(port->fcs, port->port_cfg.pwwn);
4913
4914 /*
4915 * Sanity Checks
4916 */
4917 if (req_status != BFA_STATUS_OK) {
4918 bfa_trc(port->fcs, req_status);
4919 port->stats.ns_gidft_rsp_err++;
4920 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4921 return;
4922 }
4923
4924 if (resid_len != 0) {
4925 /*
4926 * TBD : we will need to allocate a larger buffer & retry the
4927 * command
4928 */
4929 bfa_trc(port->fcs, rsp_len);
4930 bfa_trc(port->fcs, resid_len);
4931 return;
4932 }
4933
4934 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4935 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4936
4937 switch (cthdr->cmd_rsp_code) {
4938
4939 case CT_RSP_ACCEPT:
4940
4941 port->stats.ns_gidft_accepts++;
4942 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4943 bfa_trc(port->fcs, n_pids);
4944 bfa_fcs_lport_ns_process_gidft_pids(port,
4945 (u32 *) (cthdr + 1),
4946 n_pids);
4947 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4948 break;
4949
4950 case CT_RSP_REJECT:
4951
4952 /*
4953 * Check the reason code & explanation.
4954 * There may not have been any FC4 devices in the fabric
4955 */
4956 port->stats.ns_gidft_rejects++;
4957 bfa_trc(port->fcs, cthdr->reason_code);
4958 bfa_trc(port->fcs, cthdr->exp_code);
4959
4960 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4961 && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4962
4963 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4964 } else {
4965 /*
4966 * for all other errors, retry
4967 */
4968 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4969 }
4970 break;
4971
4972 default:
4973 port->stats.ns_gidft_unknown_rsp++;
4974 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
4975 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4976 }
4977 }
4978
4979 /*
4980 * This routine will be called by bfa_timer on timer timeouts.
4981 *
4982 * param[in] port - pointer to bfa_fcs_lport_t.
4983 *
4984 * return
4985 * void
4986 *
4987 * Special Considerations:
4988 *
4989 * note
4990 */
4991 static void
4992 bfa_fcs_lport_ns_timeout(void *arg)
4993 {
4994 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
4995
4996 ns->port->stats.ns_timeouts++;
4997 bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
4998 }
4999
5000 /*
5001 * Process the PID list in GID_FT response
5002 */
5003 static void
5004 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
5005 u32 n_pids)
5006 {
5007 struct fcgs_gidft_resp_s *gidft_entry;
5008 struct bfa_fcs_rport_s *rport;
5009 u32 ii;
5010 struct bfa_fcs_fabric_s *fabric = port->fabric;
5011 struct bfa_fcs_vport_s *vport;
5012 struct list_head *qe;
5013 u8 found = 0;
5014
5015 for (ii = 0; ii < n_pids; ii++) {
5016 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
5017
5018 if (gidft_entry->pid == port->pid)
5019 continue;
5020
5021 /*
5022 * Ignore PID if it is of base port
5023 * (Avoid vports discovering base port as remote port)
5024 */
5025 if (gidft_entry->pid == fabric->bport.pid)
5026 continue;
5027
5028 /*
5029 * Ignore PID if it is of vport created on the same base port
5030 * (Avoid vport discovering every other vport created on the
5031 * same port as remote port)
5032 */
5033 list_for_each(qe, &fabric->vport_q) {
5034 vport = (struct bfa_fcs_vport_s *) qe;
5035 if (vport->lport.pid == gidft_entry->pid)
5036 found = 1;
5037 }
5038
5039 if (found) {
5040 found = 0;
5041 continue;
5042 }
5043
5044 /*
5045 * Check if this rport already exists
5046 */
5047 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
5048 if (rport == NULL) {
5049 /*
5050 * this is a new device. create rport
5051 */
5052 rport = bfa_fcs_rport_create(port, gidft_entry->pid);
5053 } else {
5054 /*
5055 * this rport already exists
5056 */
5057 bfa_fcs_rport_scn(rport);
5058 }
5059
5060 bfa_trc(port->fcs, gidft_entry->pid);
5061
5062 /*
5063 * if the last entry bit is set, bail out.
5064 */
5065 if (gidft_entry->last)
5066 return;
5067 }
5068 }
5069
5070 /*
5071 * fcs_ns_public FCS nameserver public interfaces
5072 */
5073
5074 /*
5075 * Functions called by port/fab.
5076 * These will send relevant Events to the ns state machine.
5077 */
5078 void
5079 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
5080 {
5081 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5082
5083 ns->port = port;
5084 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
5085 }
5086
5087 void
5088 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
5089 {
5090 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5091
5092 ns->port = port;
5093 bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
5094 }
5095
5096 void
5097 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
5098 {
5099 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5100
5101 ns->port = port;
5102 bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
5103 }
5104
5105 void
5106 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
5107 {
5108 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5109
5110 bfa_trc(port->fcs, port->pid);
5111 if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
5112 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
5113 }
5114
5115 static void
5116 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
5117 {
5118
5119 struct bfa_fcs_rport_s *rport;
5120 u8 nwwns;
5121 wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
5122 int ii;
5123
5124 bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
5125
5126 for (ii = 0 ; ii < nwwns; ++ii) {
5127 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
5128 WARN_ON(!rport);
5129 }
5130 }
5131
5132 void
5133 bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
5134 {
5135 struct bfa_fcs_lport_ns_s *ns = cbarg;
5136 struct bfa_fcs_lport_s *port = ns->port;
5137 struct fchs_s fchs;
5138 struct bfa_fcxp_s *fcxp;
5139 u8 symbl[256];
5140 u8 *psymbl = &symbl[0];
5141 int len;
5142
5143 if (!bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
5144 return;
5145
5146 /* Avoid sending RSPN in the following states. */
5147 if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
5148 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
5149 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
5150 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
5151 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
5152 return;
5153
5154 memset(symbl, 0, sizeof(symbl));
5155 bfa_trc(port->fcs, port->port_cfg.pwwn);
5156
5157 fcxp = fcxp_alloced ? fcxp_alloced :
5158 bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5159 if (!fcxp) {
5160 port->stats.ns_rspnid_alloc_wait++;
5161 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
5162 bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
5163 return;
5164 }
5165
5166 ns->fcxp = fcxp;
5167
5168 if (port->vport) {
5169 /*
5170 * For Vports, we append the vport's port symbolic name
5171 * to that of the base port.
5172 */
5173 strncpy((char *)psymbl, (char *)&(bfa_fcs_lport_get_psym_name
5174 (bfa_fcs_get_base_port(port->fcs))),
5175 strlen((char *)&bfa_fcs_lport_get_psym_name(
5176 bfa_fcs_get_base_port(port->fcs))));
5177
5178 /* Ensure we have a null terminating string. */
5179 ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name(
5180 bfa_fcs_get_base_port(port->fcs)))] = 0;
5181
5182 strncat((char *)psymbl,
5183 (char *)&(bfa_fcs_lport_get_psym_name(port)),
5184 strlen((char *)&bfa_fcs_lport_get_psym_name(port)));
5185 }
5186
5187 len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5188 bfa_fcs_lport_get_fcid(port), 0, psymbl);
5189
5190 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5191 FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
5192
5193 port->stats.ns_rspnid_sent++;
5194 }
5195
5196 /*
5197 * FCS SCN
5198 */
5199
5200 #define FC_QOS_RSCN_EVENT 0x0c
5201 #define FC_FABRIC_NAME_RSCN_EVENT 0x0d
5202
5203 /*
5204 * forward declarations
5205 */
5206 static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
5207 struct bfa_fcxp_s *fcxp_alloced);
5208 static void bfa_fcs_lport_scn_scr_response(void *fcsarg,
5209 struct bfa_fcxp_s *fcxp,
5210 void *cbarg,
5211 bfa_status_t req_status,
5212 u32 rsp_len,
5213 u32 resid_len,
5214 struct fchs_s *rsp_fchs);
5215 static void bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5216 struct fchs_s *rx_fchs);
5217 static void bfa_fcs_lport_scn_timeout(void *arg);
5218
5219 /*
5220 * fcs_scm_sm FCS SCN state machine
5221 */
5222
5223 /*
5224 * VPort SCN State Machine events
5225 */
5226 enum port_scn_event {
5227 SCNSM_EVENT_PORT_ONLINE = 1,
5228 SCNSM_EVENT_PORT_OFFLINE = 2,
5229 SCNSM_EVENT_RSP_OK = 3,
5230 SCNSM_EVENT_RSP_ERROR = 4,
5231 SCNSM_EVENT_TIMEOUT = 5,
5232 SCNSM_EVENT_SCR_SENT = 6,
5233 };
5234
5235 static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5236 enum port_scn_event event);
5237 static void bfa_fcs_lport_scn_sm_sending_scr(
5238 struct bfa_fcs_lport_scn_s *scn,
5239 enum port_scn_event event);
5240 static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5241 enum port_scn_event event);
5242 static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5243 enum port_scn_event event);
5244 static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5245 enum port_scn_event event);
5246
5247 /*
5248 * Starting state - awaiting link up.
5249 */
5250 static void
5251 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5252 enum port_scn_event event)
5253 {
5254 switch (event) {
5255 case SCNSM_EVENT_PORT_ONLINE:
5256 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5257 bfa_fcs_lport_scn_send_scr(scn, NULL);
5258 break;
5259
5260 case SCNSM_EVENT_PORT_OFFLINE:
5261 break;
5262
5263 default:
5264 bfa_sm_fault(scn->port->fcs, event);
5265 }
5266 }
5267
5268 static void
5269 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
5270 enum port_scn_event event)
5271 {
5272 switch (event) {
5273 case SCNSM_EVENT_SCR_SENT:
5274 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
5275 break;
5276
5277 case SCNSM_EVENT_PORT_OFFLINE:
5278 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5279 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
5280 break;
5281
5282 default:
5283 bfa_sm_fault(scn->port->fcs, event);
5284 }
5285 }
5286
5287 static void
5288 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5289 enum port_scn_event event)
5290 {
5291 struct bfa_fcs_lport_s *port = scn->port;
5292
5293 switch (event) {
5294 case SCNSM_EVENT_RSP_OK:
5295 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
5296 break;
5297
5298 case SCNSM_EVENT_RSP_ERROR:
5299 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
5300 bfa_timer_start(port->fcs->bfa, &scn->timer,
5301 bfa_fcs_lport_scn_timeout, scn,
5302 BFA_FCS_RETRY_TIMEOUT);
5303 break;
5304
5305 case SCNSM_EVENT_PORT_OFFLINE:
5306 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5307 bfa_fcxp_discard(scn->fcxp);
5308 break;
5309
5310 default:
5311 bfa_sm_fault(port->fcs, event);
5312 }
5313 }
5314
5315 static void
5316 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5317 enum port_scn_event event)
5318 {
5319 switch (event) {
5320 case SCNSM_EVENT_TIMEOUT:
5321 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5322 bfa_fcs_lport_scn_send_scr(scn, NULL);
5323 break;
5324
5325 case SCNSM_EVENT_PORT_OFFLINE:
5326 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5327 bfa_timer_stop(&scn->timer);
5328 break;
5329
5330 default:
5331 bfa_sm_fault(scn->port->fcs, event);
5332 }
5333 }
5334
5335 static void
5336 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5337 enum port_scn_event event)
5338 {
5339 switch (event) {
5340 case SCNSM_EVENT_PORT_OFFLINE:
5341 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5342 break;
5343
5344 default:
5345 bfa_sm_fault(scn->port->fcs, event);
5346 }
5347 }
5348
5349
5350
5351 /*
5352 * fcs_scn_private FCS SCN private functions
5353 */
5354
5355 /*
5356 * This routine will be called to send a SCR command.
5357 */
5358 static void
5359 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
5360 {
5361 struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
5362 struct bfa_fcs_lport_s *port = scn->port;
5363 struct fchs_s fchs;
5364 int len;
5365 struct bfa_fcxp_s *fcxp;
5366
5367 bfa_trc(port->fcs, port->pid);
5368 bfa_trc(port->fcs, port->port_cfg.pwwn);
5369
5370 fcxp = fcxp_alloced ? fcxp_alloced :
5371 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
5372 if (!fcxp) {
5373 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
5374 bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
5375 return;
5376 }
5377 scn->fcxp = fcxp;
5378
5379 /* Handle VU registrations for Base port only */
5380 if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
5381 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5382 port->fabric->lps->brcd_switch,
5383 port->pid, 0);
5384 } else {
5385 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5386 BFA_FALSE,
5387 port->pid, 0);
5388 }
5389
5390 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5391 FC_CLASS_3, len, &fchs,
5392 bfa_fcs_lport_scn_scr_response,
5393 (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
5394
5395 bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
5396 }
5397
5398 static void
5399 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
5400 void *cbarg, bfa_status_t req_status, u32 rsp_len,
5401 u32 resid_len, struct fchs_s *rsp_fchs)
5402 {
5403 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
5404 struct bfa_fcs_lport_s *port = scn->port;
5405 struct fc_els_cmd_s *els_cmd;
5406 struct fc_ls_rjt_s *ls_rjt;
5407
5408 bfa_trc(port->fcs, port->port_cfg.pwwn);
5409
5410 /*
5411 * Sanity Checks
5412 */
5413 if (req_status != BFA_STATUS_OK) {
5414 bfa_trc(port->fcs, req_status);
5415 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5416 return;
5417 }
5418
5419 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
5420
5421 switch (els_cmd->els_code) {
5422
5423 case FC_ELS_ACC:
5424 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
5425 break;
5426
5427 case FC_ELS_LS_RJT:
5428
5429 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
5430
5431 bfa_trc(port->fcs, ls_rjt->reason_code);
5432 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
5433
5434 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5435 break;
5436
5437 default:
5438 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5439 }
5440 }
5441
5442 /*
5443 * Send a LS Accept
5444 */
5445 static void
5446 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5447 struct fchs_s *rx_fchs)
5448 {
5449 struct fchs_s fchs;
5450 struct bfa_fcxp_s *fcxp;
5451 struct bfa_rport_s *bfa_rport = NULL;
5452 int len;
5453
5454 bfa_trc(port->fcs, rx_fchs->s_id);
5455
5456 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5457 if (!fcxp)
5458 return;
5459
5460 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5461 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
5462 rx_fchs->ox_id);
5463
5464 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
5465 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
5466 FC_MAX_PDUSZ, 0);
5467 }
5468
5469 /*
5470 * This routine will be called by bfa_timer on timer timeouts.
5471 *
5472 * param[in] vport - pointer to bfa_fcs_lport_t.
5473 * param[out] vport_status - pointer to return vport status in
5474 *
5475 * return
5476 * void
5477 *
5478 * Special Considerations:
5479 *
5480 * note
5481 */
5482 static void
5483 bfa_fcs_lport_scn_timeout(void *arg)
5484 {
5485 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
5486
5487 bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
5488 }
5489
5490
5491
5492 /*
5493 * fcs_scn_public FCS state change notification public interfaces
5494 */
5495
5496 /*
5497 * Functions called by port/fab
5498 */
5499 void
5500 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
5501 {
5502 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5503
5504 scn->port = port;
5505 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5506 }
5507
5508 void
5509 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
5510 {
5511 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5512
5513 scn->port = port;
5514 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
5515 }
5516
5517 void
5518 bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
5519 {
5520 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5521
5522 scn->port = port;
5523 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
5524 }
5525
5526 static void
5527 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
5528 {
5529 struct bfa_fcs_rport_s *rport;
5530 struct bfa_fcs_fabric_s *fabric = port->fabric;
5531 struct bfa_fcs_vport_s *vport;
5532 struct list_head *qe;
5533
5534 bfa_trc(port->fcs, rpid);
5535
5536 /*
5537 * Ignore PID if it is of base port or of vports created on the
5538 * same base port. It is to avoid vports discovering base port or
5539 * other vports created on same base port as remote port
5540 */
5541 if (rpid == fabric->bport.pid)
5542 return;
5543
5544 list_for_each(qe, &fabric->vport_q) {
5545 vport = (struct bfa_fcs_vport_s *) qe;
5546 if (vport->lport.pid == rpid)
5547 return;
5548 }
5549 /*
5550 * If this is an unknown device, then it just came online.
5551 * Otherwise let rport handle the RSCN event.
5552 */
5553 rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
5554 if (!rport)
5555 rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
5556
5557 if (rport == NULL) {
5558 /*
5559 * If min cfg mode is enabled, we donot need to
5560 * discover any new rports.
5561 */
5562 if (!__fcs_min_cfg(port->fcs))
5563 rport = bfa_fcs_rport_create(port, rpid);
5564 } else
5565 bfa_fcs_rport_scn(rport);
5566 }
5567
5568 /*
5569 * rscn format based PID comparison
5570 */
5571 #define __fc_pid_match(__c0, __c1, __fmt) \
5572 (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \
5573 (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \
5574 ((__c0)[0] == (__c1)[0])) || \
5575 (((__fmt) == FC_RSCN_FORMAT_AREA) && \
5576 ((__c0)[0] == (__c1)[0]) && \
5577 ((__c0)[1] == (__c1)[1])))
5578
5579 static void
5580 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
5581 enum fc_rscn_format format,
5582 u32 rscn_pid)
5583 {
5584 struct bfa_fcs_rport_s *rport;
5585 struct list_head *qe, *qe_next;
5586 u8 *c0, *c1;
5587
5588 bfa_trc(port->fcs, format);
5589 bfa_trc(port->fcs, rscn_pid);
5590
5591 c0 = (u8 *) &rscn_pid;
5592
5593 list_for_each_safe(qe, qe_next, &port->rport_q) {
5594 rport = (struct bfa_fcs_rport_s *) qe;
5595 c1 = (u8 *) &rport->pid;
5596 if (__fc_pid_match(c0, c1, format))
5597 bfa_fcs_rport_scn(rport);
5598 }
5599 }
5600
5601
5602 void
5603 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
5604 struct fchs_s *fchs, u32 len)
5605 {
5606 struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
5607 int num_entries;
5608 u32 rscn_pid;
5609 bfa_boolean_t nsquery = BFA_FALSE, found;
5610 int i = 0, j;
5611
5612 num_entries =
5613 (be16_to_cpu(rscn->payldlen) -
5614 sizeof(u32)) / sizeof(rscn->event[0]);
5615
5616 bfa_trc(port->fcs, num_entries);
5617
5618 port->stats.num_rscn++;
5619
5620 bfa_fcs_lport_scn_send_ls_acc(port, fchs);
5621
5622 for (i = 0; i < num_entries; i++) {
5623 rscn_pid = rscn->event[i].portid;
5624
5625 bfa_trc(port->fcs, rscn->event[i].format);
5626 bfa_trc(port->fcs, rscn_pid);
5627
5628 /* check for duplicate entries in the list */
5629 found = BFA_FALSE;
5630 for (j = 0; j < i; j++) {
5631 if (rscn->event[j].portid == rscn_pid) {
5632 found = BFA_TRUE;
5633 break;
5634 }
5635 }
5636
5637 /* if found in down the list, pid has been already processed */
5638 if (found) {
5639 bfa_trc(port->fcs, rscn_pid);
5640 continue;
5641 }
5642
5643 switch (rscn->event[i].format) {
5644 case FC_RSCN_FORMAT_PORTID:
5645 if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
5646 /*
5647 * Ignore this event.
5648 * f/w would have processed it
5649 */
5650 bfa_trc(port->fcs, rscn_pid);
5651 } else {
5652 port->stats.num_portid_rscn++;
5653 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
5654 }
5655 break;
5656
5657 case FC_RSCN_FORMAT_FABRIC:
5658 if (rscn->event[i].qualifier ==
5659 FC_FABRIC_NAME_RSCN_EVENT) {
5660 bfa_fcs_lport_ms_fabric_rscn(port);
5661 break;
5662 }
5663 /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
5664
5665 case FC_RSCN_FORMAT_AREA:
5666 case FC_RSCN_FORMAT_DOMAIN:
5667 nsquery = BFA_TRUE;
5668 bfa_fcs_lport_scn_multiport_rscn(port,
5669 rscn->event[i].format,
5670 rscn_pid);
5671 break;
5672
5673
5674 default:
5675 WARN_ON(1);
5676 nsquery = BFA_TRUE;
5677 }
5678 }
5679
5680 /*
5681 * If any of area, domain or fabric RSCN is received, do a fresh
5682 * discovery to find new devices.
5683 */
5684 if (nsquery)
5685 bfa_fcs_lport_ns_query(port);
5686 }
5687
5688 /*
5689 * BFA FCS port
5690 */
5691 /*
5692 * fcs_port_api BFA FCS port API
5693 */
5694 struct bfa_fcs_lport_s *
5695 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
5696 {
5697 return &fcs->fabric.bport;
5698 }
5699
5700 wwn_t
5701 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
5702 int nrports, bfa_boolean_t bwwn)
5703 {
5704 struct list_head *qh, *qe;
5705 struct bfa_fcs_rport_s *rport = NULL;
5706 int i;
5707 struct bfa_fcs_s *fcs;
5708
5709 if (port == NULL || nrports == 0)
5710 return (wwn_t) 0;
5711
5712 fcs = port->fcs;
5713 bfa_trc(fcs, (u32) nrports);
5714
5715 i = 0;
5716 qh = &port->rport_q;
5717 qe = bfa_q_first(qh);
5718
5719 while ((qe != qh) && (i < nrports)) {
5720 rport = (struct bfa_fcs_rport_s *) qe;
5721 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5722 qe = bfa_q_next(qe);
5723 bfa_trc(fcs, (u32) rport->pwwn);
5724 bfa_trc(fcs, rport->pid);
5725 bfa_trc(fcs, i);
5726 continue;
5727 }
5728
5729 if (bwwn) {
5730 if (!memcmp(&wwn, &rport->pwwn, 8))
5731 break;
5732 } else {
5733 if (i == index)
5734 break;
5735 }
5736
5737 i++;
5738 qe = bfa_q_next(qe);
5739 }
5740
5741 bfa_trc(fcs, i);
5742 if (rport)
5743 return rport->pwwn;
5744 else
5745 return (wwn_t) 0;
5746 }
5747
5748 void
5749 bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
5750 struct bfa_rport_qualifier_s rports[], int *nrports)
5751 {
5752 struct list_head *qh, *qe;
5753 struct bfa_fcs_rport_s *rport = NULL;
5754 int i;
5755 struct bfa_fcs_s *fcs;
5756
5757 if (port == NULL || rports == NULL || *nrports == 0)
5758 return;
5759
5760 fcs = port->fcs;
5761 bfa_trc(fcs, (u32) *nrports);
5762
5763 i = 0;
5764 qh = &port->rport_q;
5765 qe = bfa_q_first(qh);
5766
5767 while ((qe != qh) && (i < *nrports)) {
5768 rport = (struct bfa_fcs_rport_s *) qe;
5769 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5770 qe = bfa_q_next(qe);
5771 bfa_trc(fcs, (u32) rport->pwwn);
5772 bfa_trc(fcs, rport->pid);
5773 bfa_trc(fcs, i);
5774 continue;
5775 }
5776
5777 if (!rport->pwwn && !rport->pid) {
5778 qe = bfa_q_next(qe);
5779 continue;
5780 }
5781
5782 rports[i].pwwn = rport->pwwn;
5783 rports[i].pid = rport->pid;
5784
5785 i++;
5786 qe = bfa_q_next(qe);
5787 }
5788
5789 bfa_trc(fcs, i);
5790 *nrports = i;
5791 }
5792
5793 /*
5794 * Iterate's through all the rport's in the given port to
5795 * determine the maximum operating speed.
5796 *
5797 * !!!! To be used in TRL Functionality only !!!!
5798 */
5799 bfa_port_speed_t
5800 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
5801 {
5802 struct list_head *qh, *qe;
5803 struct bfa_fcs_rport_s *rport = NULL;
5804 struct bfa_fcs_s *fcs;
5805 bfa_port_speed_t max_speed = 0;
5806 struct bfa_port_attr_s port_attr;
5807 bfa_port_speed_t port_speed, rport_speed;
5808 bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
5809
5810
5811 if (port == NULL)
5812 return 0;
5813
5814 fcs = port->fcs;
5815
5816 /* Get Physical port's current speed */
5817 bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
5818 port_speed = port_attr.speed;
5819 bfa_trc(fcs, port_speed);
5820
5821 qh = &port->rport_q;
5822 qe = bfa_q_first(qh);
5823
5824 while (qe != qh) {
5825 rport = (struct bfa_fcs_rport_s *) qe;
5826 if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
5827 (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
5828 (rport->scsi_function != BFA_RPORT_TARGET)) {
5829 qe = bfa_q_next(qe);
5830 continue;
5831 }
5832
5833 rport_speed = rport->rpf.rpsc_speed;
5834 if ((trl_enabled) && (rport_speed ==
5835 BFA_PORT_SPEED_UNKNOWN)) {
5836 /* Use default ratelim speed setting */
5837 rport_speed =
5838 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
5839 }
5840
5841 if (rport_speed > max_speed)
5842 max_speed = rport_speed;
5843
5844 qe = bfa_q_next(qe);
5845 }
5846
5847 if (max_speed > port_speed)
5848 max_speed = port_speed;
5849
5850 bfa_trc(fcs, max_speed);
5851 return max_speed;
5852 }
5853
5854 struct bfa_fcs_lport_s *
5855 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
5856 {
5857 struct bfa_fcs_vport_s *vport;
5858 bfa_fcs_vf_t *vf;
5859
5860 WARN_ON(fcs == NULL);
5861
5862 vf = bfa_fcs_vf_lookup(fcs, vf_id);
5863 if (vf == NULL) {
5864 bfa_trc(fcs, vf_id);
5865 return NULL;
5866 }
5867
5868 if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
5869 return &vf->bport;
5870
5871 vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
5872 if (vport)
5873 return &vport->lport;
5874
5875 return NULL;
5876 }
5877
5878 /*
5879 * API corresponding to NPIV_VPORT_GETINFO.
5880 */
5881 void
5882 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
5883 struct bfa_lport_info_s *port_info)
5884 {
5885
5886 bfa_trc(port->fcs, port->fabric->fabric_name);
5887
5888 if (port->vport == NULL) {
5889 /*
5890 * This is a Physical port
5891 */
5892 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
5893
5894 /*
5895 * @todo : need to fix the state & reason
5896 */
5897 port_info->port_state = 0;
5898 port_info->offline_reason = 0;
5899
5900 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5901 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5902
5903 port_info->max_vports_supp =
5904 bfa_lps_get_max_vport(port->fcs->bfa);
5905 port_info->num_vports_inuse =
5906 port->fabric->num_vports;
5907 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
5908 port_info->num_rports_inuse = port->num_rports;
5909 } else {
5910 /*
5911 * This is a virtual port
5912 */
5913 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
5914
5915 /*
5916 * @todo : need to fix the state & reason
5917 */
5918 port_info->port_state = 0;
5919 port_info->offline_reason = 0;
5920
5921 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5922 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5923 }
5924 }
5925
5926 void
5927 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
5928 struct bfa_lport_stats_s *port_stats)
5929 {
5930 *port_stats = fcs_port->stats;
5931 }
5932
5933 void
5934 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
5935 {
5936 memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
5937 }
5938
5939 /*
5940 * Let new loop map create missing rports
5941 */
5942 void
5943 bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
5944 {
5945 bfa_fcs_lport_loop_online(port);
5946 }
5947
5948 /*
5949 * FCS virtual port state machine
5950 */
5951
5952 #define __vport_fcs(__vp) ((__vp)->lport.fcs)
5953 #define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
5954 #define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
5955 #define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
5956 #define __vport_fcid(__vp) ((__vp)->lport.pid)
5957 #define __vport_fabric(__vp) ((__vp)->lport.fabric)
5958 #define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
5959
5960 #define BFA_FCS_VPORT_MAX_RETRIES 5
5961 /*
5962 * Forward declarations
5963 */
5964 static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
5965 static void bfa_fcs_vport_timeout(void *vport_arg);
5966 static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
5967 static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
5968
5969 /*
5970 * fcs_vport_sm FCS virtual port state machine
5971 */
5972
5973 /*
5974 * VPort State Machine events
5975 */
5976 enum bfa_fcs_vport_event {
5977 BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
5978 BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
5979 BFA_FCS_VPORT_SM_START = 3, /* vport start request */
5980 BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
5981 BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
5982 BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
5983 BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
5984 BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
5985 BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
5986 BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
5987 BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
5988 BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/
5989 BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
5990 BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
5991 BFA_FCS_VPORT_SM_FABRIC_MAX = 15, /* max vports on fabric */
5992 };
5993
5994 static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5995 enum bfa_fcs_vport_event event);
5996 static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5997 enum bfa_fcs_vport_event event);
5998 static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5999 enum bfa_fcs_vport_event event);
6000 static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6001 enum bfa_fcs_vport_event event);
6002 static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6003 enum bfa_fcs_vport_event event);
6004 static void bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6005 enum bfa_fcs_vport_event event);
6006 static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6007 enum bfa_fcs_vport_event event);
6008 static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6009 enum bfa_fcs_vport_event event);
6010 static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6011 enum bfa_fcs_vport_event event);
6012 static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6013 enum bfa_fcs_vport_event event);
6014 static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6015 enum bfa_fcs_vport_event event);
6016 static void bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6017 enum bfa_fcs_vport_event event);
6018 static void bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6019 enum bfa_fcs_vport_event event);
6020
6021 static struct bfa_sm_table_s vport_sm_table[] = {
6022 {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
6023 {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
6024 {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
6025 {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
6026 {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
6027 {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
6028 {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
6029 {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
6030 {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
6031 {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
6032 {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
6033 };
6034
6035 /*
6036 * Beginning state.
6037 */
6038 static void
6039 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
6040 enum bfa_fcs_vport_event event)
6041 {
6042 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6043 bfa_trc(__vport_fcs(vport), event);
6044
6045 switch (event) {
6046 case BFA_FCS_VPORT_SM_CREATE:
6047 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6048 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
6049 break;
6050
6051 default:
6052 bfa_sm_fault(__vport_fcs(vport), event);
6053 }
6054 }
6055
6056 /*
6057 * Created state - a start event is required to start up the state machine.
6058 */
6059 static void
6060 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
6061 enum bfa_fcs_vport_event event)
6062 {
6063 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6064 bfa_trc(__vport_fcs(vport), event);
6065
6066 switch (event) {
6067 case BFA_FCS_VPORT_SM_START:
6068 if (bfa_sm_cmp_state(__vport_fabric(vport),
6069 bfa_fcs_fabric_sm_online)
6070 && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
6071 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6072 bfa_fcs_vport_do_fdisc(vport);
6073 } else {
6074 /*
6075 * Fabric is offline or not NPIV capable, stay in
6076 * offline state.
6077 */
6078 vport->vport_stats.fab_no_npiv++;
6079 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6080 }
6081 break;
6082
6083 case BFA_FCS_VPORT_SM_DELETE:
6084 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6085 bfa_fcs_lport_delete(&vport->lport);
6086 break;
6087
6088 case BFA_FCS_VPORT_SM_ONLINE:
6089 case BFA_FCS_VPORT_SM_OFFLINE:
6090 /*
6091 * Ignore ONLINE/OFFLINE events from fabric
6092 * till vport is started.
6093 */
6094 break;
6095
6096 default:
6097 bfa_sm_fault(__vport_fcs(vport), event);
6098 }
6099 }
6100
6101 /*
6102 * Offline state - awaiting ONLINE event from fabric SM.
6103 */
6104 static void
6105 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
6106 enum bfa_fcs_vport_event event)
6107 {
6108 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6109 bfa_trc(__vport_fcs(vport), event);
6110
6111 switch (event) {
6112 case BFA_FCS_VPORT_SM_DELETE:
6113 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6114 bfa_fcs_lport_delete(&vport->lport);
6115 break;
6116
6117 case BFA_FCS_VPORT_SM_ONLINE:
6118 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6119 vport->fdisc_retries = 0;
6120 bfa_fcs_vport_do_fdisc(vport);
6121 break;
6122
6123 case BFA_FCS_VPORT_SM_STOP:
6124 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6125 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6126 break;
6127
6128 case BFA_FCS_VPORT_SM_OFFLINE:
6129 /*
6130 * This can happen if the vport couldn't be initialzied
6131 * due the fact that the npiv was not enabled on the switch.
6132 * In that case we will put the vport in offline state.
6133 * However, the link can go down and cause the this event to
6134 * be sent when we are already offline. Ignore it.
6135 */
6136 break;
6137
6138 default:
6139 bfa_sm_fault(__vport_fcs(vport), event);
6140 }
6141 }
6142
6143
6144 /*
6145 * FDISC is sent and awaiting reply from fabric.
6146 */
6147 static void
6148 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6149 enum bfa_fcs_vport_event event)
6150 {
6151 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6152 bfa_trc(__vport_fcs(vport), event);
6153
6154 switch (event) {
6155 case BFA_FCS_VPORT_SM_DELETE:
6156 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
6157 break;
6158
6159 case BFA_FCS_VPORT_SM_OFFLINE:
6160 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6161 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6162 break;
6163
6164 case BFA_FCS_VPORT_SM_RSP_OK:
6165 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
6166 bfa_fcs_lport_online(&vport->lport);
6167 break;
6168
6169 case BFA_FCS_VPORT_SM_RSP_ERROR:
6170 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
6171 bfa_timer_start(__vport_bfa(vport), &vport->timer,
6172 bfa_fcs_vport_timeout, vport,
6173 BFA_FCS_RETRY_TIMEOUT);
6174 break;
6175
6176 case BFA_FCS_VPORT_SM_RSP_FAILED:
6177 case BFA_FCS_VPORT_SM_FABRIC_MAX:
6178 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6179 break;
6180
6181 case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6182 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
6183 break;
6184
6185 default:
6186 bfa_sm_fault(__vport_fcs(vport), event);
6187 }
6188 }
6189
6190 /*
6191 * FDISC attempt failed - a timer is active to retry FDISC.
6192 */
6193 static void
6194 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6195 enum bfa_fcs_vport_event event)
6196 {
6197 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6198 bfa_trc(__vport_fcs(vport), event);
6199
6200 switch (event) {
6201 case BFA_FCS_VPORT_SM_DELETE:
6202 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6203 bfa_timer_stop(&vport->timer);
6204 bfa_fcs_lport_delete(&vport->lport);
6205 break;
6206
6207 case BFA_FCS_VPORT_SM_OFFLINE:
6208 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6209 bfa_timer_stop(&vport->timer);
6210 break;
6211
6212 case BFA_FCS_VPORT_SM_TIMEOUT:
6213 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6214 vport->vport_stats.fdisc_retries++;
6215 vport->fdisc_retries++;
6216 bfa_fcs_vport_do_fdisc(vport);
6217 break;
6218
6219 default:
6220 bfa_sm_fault(__vport_fcs(vport), event);
6221 }
6222 }
6223
6224 /*
6225 * FDISC is in progress and we got a vport delete request -
6226 * this is a wait state while we wait for fdisc response and
6227 * we will transition to the appropriate state - on rsp status.
6228 */
6229 static void
6230 bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6231 enum bfa_fcs_vport_event event)
6232 {
6233 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6234 bfa_trc(__vport_fcs(vport), event);
6235
6236 switch (event) {
6237 case BFA_FCS_VPORT_SM_RSP_OK:
6238 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6239 bfa_fcs_lport_delete(&vport->lport);
6240 break;
6241
6242 case BFA_FCS_VPORT_SM_DELETE:
6243 break;
6244
6245 case BFA_FCS_VPORT_SM_OFFLINE:
6246 case BFA_FCS_VPORT_SM_RSP_ERROR:
6247 case BFA_FCS_VPORT_SM_RSP_FAILED:
6248 case BFA_FCS_VPORT_SM_FABRIC_MAX:
6249 case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6250 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6251 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6252 bfa_fcs_lport_delete(&vport->lport);
6253 break;
6254
6255 default:
6256 bfa_sm_fault(__vport_fcs(vport), event);
6257 }
6258 }
6259
6260 /*
6261 * Vport is online (FDISC is complete).
6262 */
6263 static void
6264 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6265 enum bfa_fcs_vport_event event)
6266 {
6267 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6268 bfa_trc(__vport_fcs(vport), event);
6269
6270 switch (event) {
6271 case BFA_FCS_VPORT_SM_DELETE:
6272 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6273 bfa_fcs_lport_delete(&vport->lport);
6274 break;
6275
6276 case BFA_FCS_VPORT_SM_STOP:
6277 bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
6278 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6279 break;
6280
6281 case BFA_FCS_VPORT_SM_OFFLINE:
6282 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6283 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6284 bfa_fcs_lport_offline(&vport->lport);
6285 break;
6286
6287 default:
6288 bfa_sm_fault(__vport_fcs(vport), event);
6289 }
6290 }
6291
6292 /*
6293 * Vport is being stopped - awaiting lport stop completion to send
6294 * LOGO to fabric.
6295 */
6296 static void
6297 bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6298 enum bfa_fcs_vport_event event)
6299 {
6300 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6301 bfa_trc(__vport_fcs(vport), event);
6302
6303 switch (event) {
6304 case BFA_FCS_VPORT_SM_STOPCOMP:
6305 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
6306 bfa_fcs_vport_do_logo(vport);
6307 break;
6308
6309 case BFA_FCS_VPORT_SM_OFFLINE:
6310 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6311 break;
6312
6313 default:
6314 bfa_sm_fault(__vport_fcs(vport), event);
6315 }
6316 }
6317
6318 /*
6319 * Vport is being deleted - awaiting lport delete completion to send
6320 * LOGO to fabric.
6321 */
6322 static void
6323 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6324 enum bfa_fcs_vport_event event)
6325 {
6326 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6327 bfa_trc(__vport_fcs(vport), event);
6328
6329 switch (event) {
6330 case BFA_FCS_VPORT_SM_DELETE:
6331 break;
6332
6333 case BFA_FCS_VPORT_SM_DELCOMP:
6334 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
6335 bfa_fcs_vport_do_logo(vport);
6336 break;
6337
6338 case BFA_FCS_VPORT_SM_OFFLINE:
6339 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6340 break;
6341
6342 default:
6343 bfa_sm_fault(__vport_fcs(vport), event);
6344 }
6345 }
6346
6347 /*
6348 * Error State.
6349 * This state will be set when the Vport Creation fails due
6350 * to errors like Dup WWN. In this state only operation allowed
6351 * is a Vport Delete.
6352 */
6353 static void
6354 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6355 enum bfa_fcs_vport_event event)
6356 {
6357 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6358 bfa_trc(__vport_fcs(vport), event);
6359
6360 switch (event) {
6361 case BFA_FCS_VPORT_SM_DELETE:
6362 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6363 bfa_fcs_lport_delete(&vport->lport);
6364 break;
6365
6366 default:
6367 bfa_trc(__vport_fcs(vport), event);
6368 }
6369 }
6370
6371 /*
6372 * Lport cleanup is in progress since vport is being deleted. Fabric is
6373 * offline, so no LOGO is needed to complete vport deletion.
6374 */
6375 static void
6376 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6377 enum bfa_fcs_vport_event event)
6378 {
6379 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6380 bfa_trc(__vport_fcs(vport), event);
6381
6382 switch (event) {
6383 case BFA_FCS_VPORT_SM_DELCOMP:
6384 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6385 bfa_fcs_vport_free(vport);
6386 break;
6387
6388 case BFA_FCS_VPORT_SM_STOPCOMP:
6389 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6390 break;
6391
6392 case BFA_FCS_VPORT_SM_DELETE:
6393 break;
6394
6395 default:
6396 bfa_sm_fault(__vport_fcs(vport), event);
6397 }
6398 }
6399
6400 /*
6401 * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
6402 * is done.
6403 */
6404 static void
6405 bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6406 enum bfa_fcs_vport_event event)
6407 {
6408 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6409 bfa_trc(__vport_fcs(vport), event);
6410
6411 switch (event) {
6412 case BFA_FCS_VPORT_SM_OFFLINE:
6413 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6414 /*
6415 * !!! fall through !!!
6416 */
6417
6418 case BFA_FCS_VPORT_SM_RSP_OK:
6419 case BFA_FCS_VPORT_SM_RSP_ERROR:
6420 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6421 break;
6422
6423 default:
6424 bfa_sm_fault(__vport_fcs(vport), event);
6425 }
6426 }
6427
6428 /*
6429 * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
6430 * is done.
6431 */
6432 static void
6433 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6434 enum bfa_fcs_vport_event event)
6435 {
6436 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6437 bfa_trc(__vport_fcs(vport), event);
6438
6439 switch (event) {
6440 case BFA_FCS_VPORT_SM_OFFLINE:
6441 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6442 /*
6443 * !!! fall through !!!
6444 */
6445
6446 case BFA_FCS_VPORT_SM_RSP_OK:
6447 case BFA_FCS_VPORT_SM_RSP_ERROR:
6448 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6449 bfa_fcs_vport_free(vport);
6450 break;
6451
6452 case BFA_FCS_VPORT_SM_DELETE:
6453 break;
6454
6455 default:
6456 bfa_sm_fault(__vport_fcs(vport), event);
6457 }
6458 }
6459
6460
6461
6462 /*
6463 * fcs_vport_private FCS virtual port private functions
6464 */
6465 /*
6466 * Send AEN notification
6467 */
6468 static void
6469 bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
6470 enum bfa_lport_aen_event event)
6471 {
6472 struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
6473 struct bfa_aen_entry_s *aen_entry;
6474
6475 bfad_get_aen_entry(bfad, aen_entry);
6476 if (!aen_entry)
6477 return;
6478
6479 aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
6480 aen_entry->aen_data.lport.roles = port->port_cfg.roles;
6481 aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
6482 bfa_fcs_get_base_port(port->fcs));
6483 aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
6484
6485 /* Send the AEN notification */
6486 bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
6487 BFA_AEN_CAT_LPORT, event);
6488 }
6489
6490 /*
6491 * This routine will be called to send a FDISC command.
6492 */
6493 static void
6494 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
6495 {
6496 bfa_lps_fdisc(vport->lps, vport,
6497 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
6498 __vport_pwwn(vport), __vport_nwwn(vport));
6499 vport->vport_stats.fdisc_sent++;
6500 }
6501
6502 static void
6503 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
6504 {
6505 u8 lsrjt_rsn = vport->lps->lsrjt_rsn;
6506 u8 lsrjt_expl = vport->lps->lsrjt_expl;
6507
6508 bfa_trc(__vport_fcs(vport), lsrjt_rsn);
6509 bfa_trc(__vport_fcs(vport), lsrjt_expl);
6510
6511 /* For certain reason codes, we don't want to retry. */
6512 switch (vport->lps->lsrjt_expl) {
6513 case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
6514 case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
6515 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6516 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6517 else {
6518 bfa_fcs_vport_aen_post(&vport->lport,
6519 BFA_LPORT_AEN_NPIV_DUP_WWN);
6520 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
6521 }
6522 break;
6523
6524 case FC_LS_RJT_EXP_INSUFF_RES:
6525 /*
6526 * This means max logins per port/switch setting on the
6527 * switch was exceeded.
6528 */
6529 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6530 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6531 else {
6532 bfa_fcs_vport_aen_post(&vport->lport,
6533 BFA_LPORT_AEN_NPIV_FABRIC_MAX);
6534 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_FABRIC_MAX);
6535 }
6536 break;
6537
6538 default:
6539 if (vport->fdisc_retries == 0)
6540 bfa_fcs_vport_aen_post(&vport->lport,
6541 BFA_LPORT_AEN_NPIV_UNKNOWN);
6542 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6543 }
6544 }
6545
6546 /*
6547 * Called to send a logout to the fabric. Used when a V-Port is
6548 * deleted/stopped.
6549 */
6550 static void
6551 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
6552 {
6553 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6554
6555 vport->vport_stats.logo_sent++;
6556 bfa_lps_fdisclogo(vport->lps);
6557 }
6558
6559
6560 /*
6561 * This routine will be called by bfa_timer on timer timeouts.
6562 *
6563 * param[in] vport - pointer to bfa_fcs_vport_t.
6564 * param[out] vport_status - pointer to return vport status in
6565 *
6566 * return
6567 * void
6568 *
6569 * Special Considerations:
6570 *
6571 * note
6572 */
6573 static void
6574 bfa_fcs_vport_timeout(void *vport_arg)
6575 {
6576 struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
6577
6578 vport->vport_stats.fdisc_timeouts++;
6579 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
6580 }
6581
6582 static void
6583 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
6584 {
6585 struct bfad_vport_s *vport_drv =
6586 (struct bfad_vport_s *)vport->vport_drv;
6587
6588 bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
6589 bfa_lps_delete(vport->lps);
6590
6591 if (vport_drv->comp_del) {
6592 complete(vport_drv->comp_del);
6593 return;
6594 }
6595
6596 /*
6597 * We queue the vport delete work to the IM work_q from here.
6598 * The memory for the bfad_vport_s is freed from the FC function
6599 * template vport_delete entry point.
6600 */
6601 bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
6602 }
6603
6604 /*
6605 * fcs_vport_public FCS virtual port public interfaces
6606 */
6607
6608 /*
6609 * Online notification from fabric SM.
6610 */
6611 void
6612 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
6613 {
6614 vport->vport_stats.fab_online++;
6615 if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
6616 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6617 else
6618 vport->vport_stats.fab_no_npiv++;
6619 }
6620
6621 /*
6622 * Offline notification from fabric SM.
6623 */
6624 void
6625 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
6626 {
6627 vport->vport_stats.fab_offline++;
6628 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6629 }
6630
6631 /*
6632 * Cleanup notification from fabric SM on link timer expiry.
6633 */
6634 void
6635 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
6636 {
6637 vport->vport_stats.fab_cleanup++;
6638 }
6639
6640 /*
6641 * Stop notification from fabric SM. To be invoked from within FCS.
6642 */
6643 void
6644 bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
6645 {
6646 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6647 }
6648
6649 /*
6650 * delete notification from fabric SM. To be invoked from within FCS.
6651 */
6652 void
6653 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
6654 {
6655 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6656 }
6657
6658 /*
6659 * Stop completion callback from associated lport
6660 */
6661 void
6662 bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
6663 {
6664 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
6665 }
6666
6667 /*
6668 * Delete completion callback from associated lport
6669 */
6670 void
6671 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
6672 {
6673 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
6674 }
6675
6676
6677
6678 /*
6679 * fcs_vport_api Virtual port API
6680 */
6681
6682 /*
6683 * Use this function to instantiate a new FCS vport object. This
6684 * function will not trigger any HW initialization process (which will be
6685 * done in vport_start() call)
6686 *
6687 * param[in] vport - pointer to bfa_fcs_vport_t. This space
6688 * needs to be allocated by the driver.
6689 * param[in] fcs - FCS instance
6690 * param[in] vport_cfg - vport configuration
6691 * param[in] vf_id - VF_ID if vport is created within a VF.
6692 * FC_VF_ID_NULL to specify base fabric.
6693 * param[in] vport_drv - Opaque handle back to the driver's vport
6694 * structure
6695 *
6696 * retval BFA_STATUS_OK - on success.
6697 * retval BFA_STATUS_FAILED - on failure.
6698 */
6699 bfa_status_t
6700 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6701 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6702 struct bfad_vport_s *vport_drv)
6703 {
6704 if (vport_cfg->pwwn == 0)
6705 return BFA_STATUS_INVALID_WWN;
6706
6707 if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
6708 return BFA_STATUS_VPORT_WWN_BP;
6709
6710 if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
6711 return BFA_STATUS_VPORT_EXISTS;
6712
6713 if (fcs->fabric.num_vports ==
6714 bfa_lps_get_max_vport(fcs->bfa))
6715 return BFA_STATUS_VPORT_MAX;
6716
6717 vport->lps = bfa_lps_alloc(fcs->bfa);
6718 if (!vport->lps)
6719 return BFA_STATUS_VPORT_MAX;
6720
6721 vport->vport_drv = vport_drv;
6722 vport_cfg->preboot_vp = BFA_FALSE;
6723
6724 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6725 bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
6726 bfa_fcs_lport_init(&vport->lport, vport_cfg);
6727 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
6728
6729 return BFA_STATUS_OK;
6730 }
6731
6732 /*
6733 * Use this function to instantiate a new FCS PBC vport object. This
6734 * function will not trigger any HW initialization process (which will be
6735 * done in vport_start() call)
6736 *
6737 * param[in] vport - pointer to bfa_fcs_vport_t. This space
6738 * needs to be allocated by the driver.
6739 * param[in] fcs - FCS instance
6740 * param[in] vport_cfg - vport configuration
6741 * param[in] vf_id - VF_ID if vport is created within a VF.
6742 * FC_VF_ID_NULL to specify base fabric.
6743 * param[in] vport_drv - Opaque handle back to the driver's vport
6744 * structure
6745 *
6746 * retval BFA_STATUS_OK - on success.
6747 * retval BFA_STATUS_FAILED - on failure.
6748 */
6749 bfa_status_t
6750 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6751 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6752 struct bfad_vport_s *vport_drv)
6753 {
6754 bfa_status_t rc;
6755
6756 rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
6757 vport->lport.port_cfg.preboot_vp = BFA_TRUE;
6758
6759 return rc;
6760 }
6761
6762 /*
6763 * Use this function to findout if this is a pbc vport or not.
6764 *
6765 * @param[in] vport - pointer to bfa_fcs_vport_t.
6766 *
6767 * @returns None
6768 */
6769 bfa_boolean_t
6770 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
6771 {
6772
6773 if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
6774 return BFA_TRUE;
6775 else
6776 return BFA_FALSE;
6777
6778 }
6779
6780 /*
6781 * Use this function initialize the vport.
6782 *
6783 * @param[in] vport - pointer to bfa_fcs_vport_t.
6784 *
6785 * @returns None
6786 */
6787 bfa_status_t
6788 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
6789 {
6790 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
6791
6792 return BFA_STATUS_OK;
6793 }
6794
6795 /*
6796 * Use this function quiese the vport object. This function will return
6797 * immediately, when the vport is actually stopped, the
6798 * bfa_drv_vport_stop_cb() will be called.
6799 *
6800 * param[in] vport - pointer to bfa_fcs_vport_t.
6801 *
6802 * return None
6803 */
6804 bfa_status_t
6805 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
6806 {
6807 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6808
6809 return BFA_STATUS_OK;
6810 }
6811
6812 /*
6813 * Use this function to delete a vport object. Fabric object should
6814 * be stopped before this function call.
6815 *
6816 * !!!!!!! Donot invoke this from within FCS !!!!!!!
6817 *
6818 * param[in] vport - pointer to bfa_fcs_vport_t.
6819 *
6820 * return None
6821 */
6822 bfa_status_t
6823 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
6824 {
6825
6826 if (vport->lport.port_cfg.preboot_vp)
6827 return BFA_STATUS_PBC;
6828
6829 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6830
6831 return BFA_STATUS_OK;
6832 }
6833
6834 /*
6835 * Use this function to get vport's current status info.
6836 *
6837 * param[in] vport pointer to bfa_fcs_vport_t.
6838 * param[out] attr pointer to return vport attributes
6839 *
6840 * return None
6841 */
6842 void
6843 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
6844 struct bfa_vport_attr_s *attr)
6845 {
6846 if (vport == NULL || attr == NULL)
6847 return;
6848
6849 memset(attr, 0, sizeof(struct bfa_vport_attr_s));
6850
6851 bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
6852 attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
6853 }
6854
6855
6856 /*
6857 * Lookup a virtual port. Excludes base port from lookup.
6858 */
6859 struct bfa_fcs_vport_s *
6860 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
6861 {
6862 struct bfa_fcs_vport_s *vport;
6863 struct bfa_fcs_fabric_s *fabric;
6864
6865 bfa_trc(fcs, vf_id);
6866 bfa_trc(fcs, vpwwn);
6867
6868 fabric = bfa_fcs_vf_lookup(fcs, vf_id);
6869 if (!fabric) {
6870 bfa_trc(fcs, vf_id);
6871 return NULL;
6872 }
6873
6874 vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
6875 return vport;
6876 }
6877
6878 /*
6879 * FDISC Response
6880 */
6881 void
6882 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
6883 {
6884 struct bfa_fcs_vport_s *vport = uarg;
6885
6886 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6887 bfa_trc(__vport_fcs(vport), status);
6888
6889 switch (status) {
6890 case BFA_STATUS_OK:
6891 /*
6892 * Initialize the V-Port fields
6893 */
6894 __vport_fcid(vport) = vport->lps->lp_pid;
6895 vport->vport_stats.fdisc_accepts++;
6896 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6897 break;
6898
6899 case BFA_STATUS_INVALID_MAC:
6900 /* Only for CNA */
6901 vport->vport_stats.fdisc_acc_bad++;
6902 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6903
6904 break;
6905
6906 case BFA_STATUS_EPROTOCOL:
6907 switch (vport->lps->ext_status) {
6908 case BFA_EPROTO_BAD_ACCEPT:
6909 vport->vport_stats.fdisc_acc_bad++;
6910 break;
6911
6912 case BFA_EPROTO_UNKNOWN_RSP:
6913 vport->vport_stats.fdisc_unknown_rsp++;
6914 break;
6915
6916 default:
6917 break;
6918 }
6919
6920 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6921 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6922 else
6923 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6924
6925 break;
6926
6927 case BFA_STATUS_ETIMER:
6928 vport->vport_stats.fdisc_timeouts++;
6929 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6930 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6931 else
6932 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6933 break;
6934
6935 case BFA_STATUS_FABRIC_RJT:
6936 vport->vport_stats.fdisc_rejects++;
6937 bfa_fcs_vport_fdisc_rejected(vport);
6938 break;
6939
6940 default:
6941 vport->vport_stats.fdisc_rsp_err++;
6942 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6943 }
6944 }
6945
6946 /*
6947 * LOGO response
6948 */
6949 void
6950 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
6951 {
6952 struct bfa_fcs_vport_s *vport = uarg;
6953 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6954 }
6955
6956 /*
6957 * Received clear virtual link
6958 */
6959 void
6960 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
6961 {
6962 struct bfa_fcs_vport_s *vport = uarg;
6963
6964 /* Send an Offline followed by an ONLINE */
6965 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6966 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6967 }
Linux kernel - Deliverables
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