2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
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
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.
21 #include "bfa_fcbuild.h"
24 BFA_TRC_FILE(FCS, PORT);
27 * ALPA to LIXA bitmap mapping
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.
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 */
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 */
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 */
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 */
54 static void bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
55 struct fchs_s *rx_fchs, u8 reason_code,
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);
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);
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);
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);
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);
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},
103 * fcs_port_sm FCS logical port state machine
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,
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);
129 bfa_fcs_lport_sm_uninit(
130 struct bfa_fcs_lport_s *port,
131 enum bfa_fcs_lport_event event)
133 bfa_trc(port->fcs, port->port_cfg.pwwn);
134 bfa_trc(port->fcs, event);
137 case BFA_FCS_PORT_SM_CREATE:
138 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
142 bfa_sm_fault(port->fcs, event);
147 bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
148 enum bfa_fcs_lport_event event)
150 bfa_trc(port->fcs, port->port_cfg.pwwn);
151 bfa_trc(port->fcs, 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);
159 case BFA_FCS_PORT_SM_DELETE:
160 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
161 bfa_fcs_lport_deleted(port);
164 case BFA_FCS_PORT_SM_STOP:
165 /* If vport - send completion call back */
167 bfa_fcs_vport_stop_comp(port->vport);
169 bfa_wc_down(&(port->fabric->stop_wc));
172 case BFA_FCS_PORT_SM_OFFLINE:
176 bfa_sm_fault(port->fcs, event);
181 bfa_fcs_lport_sm_online(
182 struct bfa_fcs_lport_s *port,
183 enum bfa_fcs_lport_event event)
185 struct bfa_fcs_rport_s *rport;
186 struct list_head *qe, *qen;
188 bfa_trc(port->fcs, port->port_cfg.pwwn);
189 bfa_trc(port->fcs, 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);
197 case BFA_FCS_PORT_SM_STOP:
198 __port_action[port->fabric->fab_type].offline(port);
200 if (port->num_rports == 0) {
201 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
202 /* If vport - send completion call back */
204 bfa_fcs_vport_stop_comp(port->vport);
206 bfa_wc_down(&(port->fabric->stop_wc));
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);
216 case BFA_FCS_PORT_SM_DELETE:
218 __port_action[port->fabric->fab_type].offline(port);
220 if (port->num_rports == 0) {
221 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
222 bfa_fcs_lport_deleted(port);
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);
232 case BFA_FCS_PORT_SM_DELRPORT:
236 bfa_sm_fault(port->fcs, event);
241 bfa_fcs_lport_sm_offline(
242 struct bfa_fcs_lport_s *port,
243 enum bfa_fcs_lport_event event)
245 struct bfa_fcs_rport_s *rport;
246 struct list_head *qe, *qen;
248 bfa_trc(port->fcs, port->port_cfg.pwwn);
249 bfa_trc(port->fcs, 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);
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 */
262 bfa_fcs_vport_stop_comp(port->vport);
264 bfa_wc_down(&(port->fabric->stop_wc));
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);
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);
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);
287 case BFA_FCS_PORT_SM_DELRPORT:
288 case BFA_FCS_PORT_SM_OFFLINE:
292 bfa_sm_fault(port->fcs, event);
297 bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
298 enum bfa_fcs_lport_event event)
300 bfa_trc(port->fcs, port->port_cfg.pwwn);
301 bfa_trc(port->fcs, 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 */
309 bfa_fcs_vport_stop_comp(port->vport);
311 bfa_wc_down(&(port->fabric->stop_wc));
316 bfa_sm_fault(port->fcs, event);
321 bfa_fcs_lport_sm_deleting(
322 struct bfa_fcs_lport_s *port,
323 enum bfa_fcs_lport_event event)
325 bfa_trc(port->fcs, port->port_cfg.pwwn);
326 bfa_trc(port->fcs, 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);
337 bfa_sm_fault(port->fcs, event);
346 * Send AEN notification
349 bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
350 enum bfa_lport_aen_event event)
352 struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
353 struct bfa_aen_entry_s *aen_entry;
355 bfad_get_aen_entry(bfad, aen_entry);
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);
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);
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)
378 struct bfa_fcxp_s *fcxp;
379 struct bfa_rport_s *bfa_rport = NULL;
382 bfa_trc(port->fcs, rx_fchs->d_id);
383 bfa_trc(port->fcs, rx_fchs->s_id);
385 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
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);
393 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
394 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
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)
406 struct bfa_fcxp_s *fcxp;
407 struct bfa_rport_s *bfa_rport = NULL;
409 struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
410 struct ct_hdr_s *ct_hdr;
412 bfa_trc(port->fcs, rx_fchs->d_id);
413 bfa_trc(port->fcs, rx_fchs->s_id);
415 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
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;
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);
427 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
428 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
433 * Process incoming plogi from a remote port.
436 bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
437 struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
439 struct bfa_fcs_rport_s *rport;
441 bfa_trc(port->fcs, rx_fchs->d_id);
442 bfa_trc(port->fcs, rx_fchs->s_id);
445 * If min cfg mode is enabled, drop any incoming PLOGIs
447 if (__fcs_min_cfg(port->fcs)) {
448 bfa_trc(port->fcs, rx_fchs->s_id);
452 if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
453 bfa_trc(port->fcs, rx_fchs->s_id);
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);
464 * Direct Attach P2P mode : verify address assigned by the r-port.
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);
476 port->pid = rx_fchs->d_id;
477 bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
481 * First, check if we know the device by pwwn.
483 rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
486 * Direct Attach P2P mode : handle address assigned by r-port.
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;
495 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
500 * Next, lookup rport by PID.
502 rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
505 * Inbound PLOGI from a new device.
507 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
512 * Rport is known only by PID.
516 * This is a different device with the same pid. Old device
517 * disappeared. Send implicit LOGO to old device.
519 WARN_ON(rport->pwwn == plogi->port_name);
520 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
523 * Inbound PLOGI from a new device (with old PID).
525 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
530 * PLOGI crossing each other.
532 WARN_ON(rport->pwwn != WWN_NULL);
533 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
537 * Process incoming ECHO.
538 * Since it does not require a login, it is processed here.
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)
545 struct bfa_fcxp_s *fcxp;
546 struct bfa_rport_s *bfa_rport = NULL;
549 bfa_trc(port->fcs, rx_fchs->s_id);
550 bfa_trc(port->fcs, rx_fchs->d_id);
552 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
556 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
557 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
561 * Copy the payload (if any) from the echo frame
563 pyld_len = rx_len - sizeof(struct fchs_s);
564 bfa_trc(port->fcs, rx_len);
565 bfa_trc(port->fcs, pyld_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)));
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,
578 * Process incoming RNID.
579 * Since it does not require a login, it is processed here.
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)
585 struct fc_rnid_common_id_data_s common_id_data;
586 struct fc_rnid_general_topology_data_s gen_topo_data;
588 struct bfa_fcxp_s *fcxp;
589 struct bfa_rport_s *bfa_rport = NULL;
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);
597 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
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.
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;
611 * Get General topology data for this port
613 bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
615 data_format = RNID_NODEID_DATA_FORMAT_COMMON;
619 * Copy the Node Id Info
621 common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
622 common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
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,
629 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
630 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
635 * Fill out General Topolpgy Discovery Data for RNID ELS.
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)
641 memset(gen_topo_data, 0,
642 sizeof(struct fc_rnid_general_topology_data_s));
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);
650 bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
652 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
653 char lpwwn_buf[BFA_STRING_32];
655 bfa_trc(port->fcs, port->fabric->oper_type);
657 __port_action[port->fabric->fab_type].init(port);
658 __port_action[port->fabric->fab_type].online(port);
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);
666 bfad->bfad_flags |= BFAD_PORT_ONLINE;
670 bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
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];
677 bfa_trc(port->fcs, port->fabric->oper_type);
679 __port_action[port->fabric->fab_type].offline(port);
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);
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);
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);
702 bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
708 bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
714 bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
720 bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
723 struct bfa_fcxp_s *fcxp;
726 bfa_trc(port->fcs, rx_fchs->d_id);
727 bfa_trc(port->fcs, rx_fchs->s_id);
729 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
733 len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
734 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
737 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
738 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
742 bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
744 struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
745 char lpwwn_buf[BFA_STRING_32];
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);
753 /* Base port will be deleted by the OS driver */
755 bfa_fcs_vport_delete_comp(port->vport);
757 bfa_wc_down(&port->fabric->wc);
762 * Unsolicited frame receive handling.
765 bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
766 struct fchs_s *fchs, u16 len)
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);
772 bfa_stats(lport, uf_recvs);
773 bfa_trc(lport->fcs, fchs->type);
775 if (!bfa_fcs_lport_is_online(lport)) {
776 bfa_stats(lport, uf_recv_drops);
781 * First, handle ELSs that donot require a login.
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);
793 * Handle ECHO separately.
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);
802 * Handle RNID separately.
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);
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);
817 if (fchs->type == FC_TYPE_SERVICES) {
819 * Unhandled FC-GS frames. Send a FC-CT Reject
821 bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
822 CT_NS_EXP_NOADDITIONAL);
827 * look for a matching remote port ID
829 rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
831 bfa_trc(rport->fcs, fchs->s_id);
832 bfa_trc(rport->fcs, fchs->d_id);
833 bfa_trc(rport->fcs, fchs->type);
835 bfa_fcs_rport_uf_recv(rport, fchs, len);
840 * Only handles ELS frames for now.
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);
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);
857 if (els_cmd->els_code == FC_ELS_LOGO) {
859 * @todo Handle LOGO frames received.
864 if (els_cmd->els_code == FC_ELS_PRLI) {
866 * @todo Handle PRLI frames received.
872 * Unhandled ELS frames. Send a LS_RJT.
874 bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
875 FC_LS_RJT_EXP_NO_ADDL_INFO);
880 * PID based Lookup for a R-Port in the Port R-Port Queue
882 struct bfa_fcs_rport_s *
883 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
885 struct bfa_fcs_rport_s *rport;
886 struct list_head *qe;
888 list_for_each(qe, &port->rport_q) {
889 rport = (struct bfa_fcs_rport_s *) qe;
890 if (rport->pid == pid)
894 bfa_trc(port->fcs, pid);
899 * OLD_PID based Lookup for a R-Port in the Port R-Port Queue
901 struct bfa_fcs_rport_s *
902 bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
904 struct bfa_fcs_rport_s *rport;
905 struct list_head *qe;
907 list_for_each(qe, &port->rport_q) {
908 rport = (struct bfa_fcs_rport_s *) qe;
909 if (rport->old_pid == pid)
913 bfa_trc(port->fcs, pid);
918 * PWWN based Lookup for a R-Port in the Port R-Port Queue
920 struct bfa_fcs_rport_s *
921 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
923 struct bfa_fcs_rport_s *rport;
924 struct list_head *qe;
926 list_for_each(qe, &port->rport_q) {
927 rport = (struct bfa_fcs_rport_s *) qe;
928 if (wwn_is_equal(rport->pwwn, pwwn))
932 bfa_trc(port->fcs, pwwn);
937 * NWWN based Lookup for a R-Port in the Port R-Port Queue
939 struct bfa_fcs_rport_s *
940 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
942 struct bfa_fcs_rport_s *rport;
943 struct list_head *qe;
945 list_for_each(qe, &port->rport_q) {
946 rport = (struct bfa_fcs_rport_s *) qe;
947 if (wwn_is_equal(rport->nwwn, nwwn))
951 bfa_trc(port->fcs, nwwn);
956 * PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
958 struct bfa_fcs_rport_s *
959 bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
962 struct bfa_fcs_rport_s *rport;
963 struct list_head *qe;
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)
971 bfa_trc(port->fcs, pwwn);
976 * Called by rport module when new rports are discovered.
979 bfa_fcs_lport_add_rport(
980 struct bfa_fcs_lport_s *port,
981 struct bfa_fcs_rport_s *rport)
983 list_add_tail(&rport->qe, &port->rport_q);
988 * Called by rport module to when rports are deleted.
991 bfa_fcs_lport_del_rport(
992 struct bfa_fcs_lport_s *port,
993 struct bfa_fcs_rport_s *rport)
995 WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
996 list_del(&rport->qe);
999 bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
1003 * Called by fabric for base port when fabric login is complete.
1004 * Called by vport for virtual ports when FDISC is complete.
1007 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
1009 bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
1013 * Called by fabric for base port when fabric goes offline.
1014 * Called by vport for virtual ports when virtual port becomes offline.
1017 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
1019 bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
1023 * Called by fabric for base port and by vport for virtual ports
1024 * when target mode driver is unloaded.
1027 bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
1029 bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
1033 * Called by fabric to delete base lport and associated resources.
1035 * Called by vport to delete lport and associated resources. Should call
1036 * bfa_fcs_vport_delete_comp() for vports on completion.
1039 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
1041 bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
1045 * Return TRUE if port is online, else return FALSE
1048 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
1050 return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
1054 * Attach time initialization of logical ports.
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)
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;
1066 INIT_LIST_HEAD(&lport->rport_q);
1067 lport->num_rports = 0;
1071 * Logical port initialization of base or virtual port.
1072 * Called by fabric for base port or by vport for virtual ports.
1076 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
1077 struct bfa_lport_cfg_s *port_cfg)
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];
1083 lport->port_cfg = *port_cfg;
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);
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);
1096 bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
1097 bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
1105 bfa_fcs_lport_get_attr(
1106 struct bfa_fcs_lport_s *port,
1107 struct bfa_lport_attr_s *port_attr)
1109 if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1110 port_attr->pid = port->pid;
1114 port_attr->port_cfg = port->port_cfg;
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);
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;
1133 port_attr->fpma_mac =
1134 port->fabric->lps->lp_mac;
1137 port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
1138 port_attr->state = BFA_LPORT_UNINIT;
1143 * bfa_fcs_lport_fab port fab functions
1147 * Called by port to initialize fabric services of the base port.
1150 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
1152 bfa_fcs_lport_ns_init(port);
1153 bfa_fcs_lport_scn_init(port);
1154 bfa_fcs_lport_ms_init(port);
1158 * Called by port to notify transition to online state.
1161 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
1163 bfa_fcs_lport_ns_online(port);
1164 bfa_fcs_lport_fab_scn_online(port);
1168 * Called by port to notify transition to offline state.
1171 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
1173 bfa_fcs_lport_ns_offline(port);
1174 bfa_fcs_lport_scn_offline(port);
1175 bfa_fcs_lport_ms_offline(port);
1179 * bfa_fcs_lport_n2n functions
1183 * Called by fcs/port to initialize N2N topology.
1186 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
1191 * Called by fcs/port to notify transition to online state.
1194 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
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;
1200 bfa_trc(port->fcs, pcfg->pwwn);
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.
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
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);
1216 * First, check if we know the device by pwwn.
1218 rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1219 n2n_port->rem_port_wwn);
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);
1229 * In n2n there can be only one rport. Delete the old one
1230 * whose pid should be zero, because it is offline.
1232 if (port->num_rports > 0) {
1233 rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1234 WARN_ON(rport == NULL);
1236 bfa_trc(port->fcs, rport->pwwn);
1237 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
1240 bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1245 * Called by fcs/port to notify transition to offline state.
1248 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1250 struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1252 bfa_trc(port->fcs, port->pid);
1254 n2n_port->rem_port_wwn = 0;
1255 n2n_port->reply_oxid = 0;
1259 bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
1261 int i = 0, j = 0, bit = 0, alpa_bit = 0;
1263 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
1265 port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
1266 port->pid = fcport->myalpa;
1267 port->pid = bfa_hton3b(port->pid);
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)));
1274 port->port_topo.ploop.alpa_pos_map[k] =
1275 loop_alpa_map[(i * 8) + alpa_bit];
1277 bfa_trc(port->fcs->bfa, k);
1278 bfa_trc(port->fcs->bfa,
1279 port->port_topo.ploop.alpa_pos_map[k]);
1283 port->port_topo.ploop.num_alpa = k;
1287 * Called by fcs/port to initialize Loop topology.
1290 bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
1295 * Called by fcs/port to notify transition to online state.
1298 bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
1300 u8 num_alpa = 0, alpabm_valid = 0;
1301 struct bfa_fcs_rport_s *rport;
1302 u8 *alpa_map = NULL;
1306 bfa_fcport_get_loop_attr(port);
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;
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)) {
1319 bfa_trc(port->fcs->bfa, pid);
1320 rport = bfa_fcs_lport_get_rport_by_pid(port,
1323 rport = bfa_fcs_rport_create(port,
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,
1335 rport = bfa_fcs_rport_create(port,
1343 * Called by fcs/port to notify transition to offline state.
1346 bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
1350 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1353 * forward declarations
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,
1364 bfa_status_t req_status,
1367 struct fchs_s *rsp_fchs);
1368 static void bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1369 struct bfa_fcxp_s *fcxp,
1371 bfa_status_t req_status,
1374 struct fchs_s *rsp_fchs);
1375 static void bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1376 struct bfa_fcxp_s *fcxp,
1378 bfa_status_t req_status,
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,
1385 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1387 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1389 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
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);
1398 * fcs_fdmi_sm FCS FDMI state machine
1402 * FDMI State Machine events
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,
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);
1447 * Start in offline state - awaiting MS to send start.
1450 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1451 enum port_fdmi_event event)
1453 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1455 bfa_trc(port->fcs, port->port_cfg.pwwn);
1456 bfa_trc(port->fcs, event);
1458 fdmi->retry_cnt = 0;
1461 case FDMISM_EVENT_PORT_ONLINE:
1464 * For Vports, register a new port.
1466 bfa_sm_set_state(fdmi,
1467 bfa_fcs_lport_fdmi_sm_sending_rprt);
1468 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1471 * For a base port, we should first register the HBA
1472 * attribute. The HBA attribute also contains the base
1473 * port registration.
1475 bfa_sm_set_state(fdmi,
1476 bfa_fcs_lport_fdmi_sm_sending_rhba);
1477 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1481 case FDMISM_EVENT_PORT_OFFLINE:
1485 bfa_sm_fault(port->fcs, event);
1490 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1491 enum port_fdmi_event event)
1493 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1495 bfa_trc(port->fcs, port->port_cfg.pwwn);
1496 bfa_trc(port->fcs, event);
1499 case FDMISM_EVENT_RHBA_SENT:
1500 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
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),
1510 bfa_sm_fault(port->fcs, event);
1515 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1516 enum port_fdmi_event event)
1518 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1520 bfa_trc(port->fcs, port->port_cfg.pwwn);
1521 bfa_trc(port->fcs, event);
1524 case FDMISM_EVENT_RSP_ERROR:
1526 * if max retries have not been reached, start timer for a
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),
1534 bfa_fcs_lport_fdmi_timeout, fdmi,
1535 BFA_FCS_RETRY_TIMEOUT);
1538 * set state to offline
1540 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1544 case FDMISM_EVENT_RSP_OK:
1546 * Initiate Register Port Attributes
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);
1553 case FDMISM_EVENT_PORT_OFFLINE:
1554 bfa_fcxp_discard(fdmi->fcxp);
1555 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1559 bfa_sm_fault(port->fcs, event);
1564 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1565 enum port_fdmi_event event)
1567 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1569 bfa_trc(port->fcs, port->port_cfg.pwwn);
1570 bfa_trc(port->fcs, event);
1573 case FDMISM_EVENT_TIMEOUT:
1575 * Retry Timer Expired. Re-send
1577 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1578 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1581 case FDMISM_EVENT_PORT_OFFLINE:
1582 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1583 bfa_timer_stop(&fdmi->timer);
1587 bfa_sm_fault(port->fcs, event);
1592 * RPRT : Register Port
1595 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1596 enum port_fdmi_event event)
1598 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1600 bfa_trc(port->fcs, port->port_cfg.pwwn);
1601 bfa_trc(port->fcs, event);
1604 case FDMISM_EVENT_RPRT_SENT:
1605 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
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),
1615 bfa_sm_fault(port->fcs, event);
1620 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1621 enum port_fdmi_event event)
1623 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1625 bfa_trc(port->fcs, port->port_cfg.pwwn);
1626 bfa_trc(port->fcs, event);
1629 case FDMISM_EVENT_RSP_ERROR:
1631 * if max retries have not been reached, start timer for a
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),
1639 bfa_fcs_lport_fdmi_timeout, fdmi,
1640 BFA_FCS_RETRY_TIMEOUT);
1644 * set state to offline
1646 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1647 fdmi->retry_cnt = 0;
1651 case FDMISM_EVENT_RSP_OK:
1652 fdmi->retry_cnt = 0;
1653 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1656 case FDMISM_EVENT_PORT_OFFLINE:
1657 bfa_fcxp_discard(fdmi->fcxp);
1658 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1662 bfa_sm_fault(port->fcs, event);
1667 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1668 enum port_fdmi_event event)
1670 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1672 bfa_trc(port->fcs, port->port_cfg.pwwn);
1673 bfa_trc(port->fcs, event);
1676 case FDMISM_EVENT_TIMEOUT:
1678 * Retry Timer Expired. Re-send
1680 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1681 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1684 case FDMISM_EVENT_PORT_OFFLINE:
1685 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1686 bfa_timer_stop(&fdmi->timer);
1690 bfa_sm_fault(port->fcs, event);
1695 * Register Port Attributes
1698 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1699 enum port_fdmi_event event)
1701 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1703 bfa_trc(port->fcs, port->port_cfg.pwwn);
1704 bfa_trc(port->fcs, event);
1707 case FDMISM_EVENT_RPA_SENT:
1708 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
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),
1718 bfa_sm_fault(port->fcs, event);
1723 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1724 enum port_fdmi_event event)
1726 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1728 bfa_trc(port->fcs, port->port_cfg.pwwn);
1729 bfa_trc(port->fcs, event);
1732 case FDMISM_EVENT_RSP_ERROR:
1734 * if max retries have not been reached, start timer for a
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),
1741 bfa_fcs_lport_fdmi_timeout, fdmi,
1742 BFA_FCS_RETRY_TIMEOUT);
1745 * set state to offline
1747 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1748 fdmi->retry_cnt = 0;
1752 case FDMISM_EVENT_RSP_OK:
1753 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1754 fdmi->retry_cnt = 0;
1757 case FDMISM_EVENT_PORT_OFFLINE:
1758 bfa_fcxp_discard(fdmi->fcxp);
1759 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1763 bfa_sm_fault(port->fcs, event);
1768 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1769 enum port_fdmi_event event)
1771 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1773 bfa_trc(port->fcs, port->port_cfg.pwwn);
1774 bfa_trc(port->fcs, event);
1777 case FDMISM_EVENT_TIMEOUT:
1779 * Retry Timer Expired. Re-send
1781 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1782 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1785 case FDMISM_EVENT_PORT_OFFLINE:
1786 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1787 bfa_timer_stop(&fdmi->timer);
1791 bfa_sm_fault(port->fcs, event);
1796 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1797 enum port_fdmi_event event)
1799 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1801 bfa_trc(port->fcs, port->port_cfg.pwwn);
1802 bfa_trc(port->fcs, event);
1805 case FDMISM_EVENT_PORT_OFFLINE:
1806 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1810 bfa_sm_fault(port->fcs, event);
1814 * FDMI is disabled state.
1817 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1818 enum port_fdmi_event event)
1820 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1822 bfa_trc(port->fcs, port->port_cfg.pwwn);
1823 bfa_trc(port->fcs, event);
1825 /* No op State. It can only be enabled at Driver Init. */
1829 * RHBA : Register HBA Attributes.
1832 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1834 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1835 struct bfa_fcs_lport_s *port = fdmi->ms->port;
1838 struct bfa_fcxp_s *fcxp;
1841 bfa_trc(port->fcs, port->port_cfg.pwwn);
1843 fcxp = fcxp_alloced ? fcxp_alloced :
1844 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1846 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1847 bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
1852 pyld = bfa_fcxp_get_reqbuf(fcxp);
1853 memset(pyld, 0, FC_MAX_PDUSZ);
1855 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1859 bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1860 (u8 *) ((struct ct_hdr_s *) pyld
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);
1868 bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1872 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
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;
1884 * get hba attributes
1886 bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
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);
1892 len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1895 len += sizeof(rhba->hba_attr_blk.attr_count);
1898 * fill out the invididual entries of the HBA attrib Block
1900 curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
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;
1912 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
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;
1926 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
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;
1940 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
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;
1954 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
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;
1968 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
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;
1983 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
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;
1998 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2002 * Option Rom Version
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;
2013 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
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;
2025 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
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;
2040 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
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);
2053 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2057 * Update size of payload
2059 len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2061 rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
2066 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2067 void *cbarg, bfa_status_t req_status,
2068 u32 rsp_len, u32 resid_len,
2069 struct fchs_s *rsp_fchs)
2071 struct bfa_fcs_lport_fdmi_s *fdmi =
2072 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2073 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2074 struct ct_hdr_s *cthdr = NULL;
2076 bfa_trc(port->fcs, port->port_cfg.pwwn);
2081 if (req_status != BFA_STATUS_OK) {
2082 bfa_trc(port->fcs, req_status);
2083 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2087 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2088 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2090 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2091 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2095 bfa_trc(port->fcs, cthdr->reason_code);
2096 bfa_trc(port->fcs, cthdr->exp_code);
2097 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2101 * RPRT : Register Port
2104 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2106 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2107 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2110 struct bfa_fcxp_s *fcxp;
2113 bfa_trc(port->fcs, port->port_cfg.pwwn);
2115 fcxp = fcxp_alloced ? fcxp_alloced :
2116 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2118 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2119 bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
2124 pyld = bfa_fcxp_get_reqbuf(fcxp);
2125 memset(pyld, 0, FC_MAX_PDUSZ);
2127 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2131 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
2132 (u8 *) ((struct ct_hdr_s *) pyld
2135 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2136 FC_CLASS_3, len + attr_len, &fchs,
2137 bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
2138 FC_MAX_PDUSZ, FC_FCCT_TOV);
2140 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
2144 * This routine builds Port Attribute Block that used in RPA, RPRT commands.
2147 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
2150 struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2151 struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
2152 struct fdmi_attr_s *attr;
2159 * get port attributes
2161 bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2163 len = sizeof(port_attrib->attr_count);
2166 * fill out the invididual entries
2168 curr_ptr = (u8 *) &port_attrib->port_attr;
2173 attr = (struct fdmi_attr_s *) curr_ptr;
2174 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
2175 templen = sizeof(fcs_port_attr.supp_fc4_types);
2176 memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
2177 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2181 cpu_to_be16(templen + sizeof(attr->type) +
2187 attr = (struct fdmi_attr_s *) curr_ptr;
2188 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
2189 templen = sizeof(fcs_port_attr.supp_speed);
2190 memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
2191 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2195 cpu_to_be16(templen + sizeof(attr->type) +
2199 * current Port Speed
2201 attr = (struct fdmi_attr_s *) curr_ptr;
2202 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
2203 templen = sizeof(fcs_port_attr.curr_speed);
2204 memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
2205 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2208 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2214 attr = (struct fdmi_attr_s *) curr_ptr;
2215 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
2216 templen = sizeof(fcs_port_attr.max_frm_size);
2217 memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
2218 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2221 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2227 if (fcs_port_attr.os_device_name[0] != '\0') {
2228 attr = (struct fdmi_attr_s *) curr_ptr;
2229 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
2230 templen = (u16) strlen(fcs_port_attr.os_device_name);
2231 memcpy(attr->value, fcs_port_attr.os_device_name, templen);
2232 templen = fc_roundup(templen, sizeof(u32));
2233 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2236 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2242 if (fcs_port_attr.host_name[0] != '\0') {
2243 attr = (struct fdmi_attr_s *) curr_ptr;
2244 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
2245 templen = (u16) strlen(fcs_port_attr.host_name);
2246 memcpy(attr->value, fcs_port_attr.host_name, templen);
2247 templen = fc_roundup(templen, sizeof(u32));
2248 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2251 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2256 * Update size of payload
2258 port_attrib->attr_count = cpu_to_be32(count);
2259 len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2264 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2266 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2267 struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2270 rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2271 rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2273 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2274 (u8 *) &rprt->port_attr_blk);
2276 len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2282 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2283 void *cbarg, bfa_status_t req_status,
2284 u32 rsp_len, u32 resid_len,
2285 struct fchs_s *rsp_fchs)
2287 struct bfa_fcs_lport_fdmi_s *fdmi =
2288 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2289 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2290 struct ct_hdr_s *cthdr = NULL;
2292 bfa_trc(port->fcs, port->port_cfg.pwwn);
2297 if (req_status != BFA_STATUS_OK) {
2298 bfa_trc(port->fcs, req_status);
2299 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2303 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2304 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2306 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2307 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2311 bfa_trc(port->fcs, cthdr->reason_code);
2312 bfa_trc(port->fcs, cthdr->exp_code);
2313 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2317 * RPA : Register Port Attributes.
2320 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2322 struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2323 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2326 struct bfa_fcxp_s *fcxp;
2329 bfa_trc(port->fcs, port->port_cfg.pwwn);
2331 fcxp = fcxp_alloced ? fcxp_alloced :
2332 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2334 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2335 bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
2340 pyld = bfa_fcxp_get_reqbuf(fcxp);
2341 memset(pyld, 0, FC_MAX_PDUSZ);
2343 len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2346 attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2347 (u8 *) ((struct ct_hdr_s *) pyld + 1));
2349 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2350 FC_CLASS_3, len + attr_len, &fchs,
2351 bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2352 FC_MAX_PDUSZ, FC_FCCT_TOV);
2354 bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2358 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2360 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2361 struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2364 rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2366 len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2367 (u8 *) &rpa->port_attr_blk);
2369 len += sizeof(rpa->port_name);
2375 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2376 void *cbarg, bfa_status_t req_status, u32 rsp_len,
2377 u32 resid_len, struct fchs_s *rsp_fchs)
2379 struct bfa_fcs_lport_fdmi_s *fdmi =
2380 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2381 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2382 struct ct_hdr_s *cthdr = NULL;
2384 bfa_trc(port->fcs, port->port_cfg.pwwn);
2389 if (req_status != BFA_STATUS_OK) {
2390 bfa_trc(port->fcs, req_status);
2391 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2395 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2396 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2398 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2399 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2403 bfa_trc(port->fcs, cthdr->reason_code);
2404 bfa_trc(port->fcs, cthdr->exp_code);
2405 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2409 bfa_fcs_lport_fdmi_timeout(void *arg)
2411 struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2413 bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2417 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2418 struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2420 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2421 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2422 struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2424 memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2426 bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2427 hba_attr->manufacturer);
2428 bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2429 hba_attr->serial_num);
2430 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2432 bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2433 hba_attr->model_desc);
2434 bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2435 hba_attr->hw_version);
2436 bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2437 hba_attr->option_rom_ver);
2438 bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2439 hba_attr->fw_version);
2441 strncpy(hba_attr->driver_version, (char *)driver_info->version,
2442 sizeof(hba_attr->driver_version));
2444 strncpy(hba_attr->os_name, driver_info->host_os_name,
2445 sizeof(hba_attr->os_name));
2448 * If there is a patch level, append it
2449 * to the os name along with a separator
2451 if (driver_info->host_os_patch[0] != '\0') {
2452 strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2453 sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
2454 strncat(hba_attr->os_name, driver_info->host_os_patch,
2455 sizeof(driver_info->host_os_patch));
2458 /* Retrieve the max frame size from the port attr */
2459 bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2460 hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
2464 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2465 struct bfa_fcs_fdmi_port_attr_s *port_attr)
2467 struct bfa_fcs_lport_s *port = fdmi->ms->port;
2468 struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
2469 struct bfa_port_attr_s pport_attr;
2471 memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2474 * get pport attributes from hal
2476 bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2479 * get FC4 type Bitmask
2481 fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2486 switch (pport_attr.speed_supported) {
2487 case BFA_PORT_SPEED_16GBPS:
2488 port_attr->supp_speed =
2489 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
2492 case BFA_PORT_SPEED_10GBPS:
2493 port_attr->supp_speed =
2494 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
2497 case BFA_PORT_SPEED_8GBPS:
2498 port_attr->supp_speed =
2499 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
2502 case BFA_PORT_SPEED_4GBPS:
2503 port_attr->supp_speed =
2504 cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
2508 bfa_sm_fault(port->fcs, pport_attr.speed_supported);
2514 port_attr->curr_speed = cpu_to_be32(
2515 bfa_fcs_fdmi_convert_speed(pport_attr.speed));
2520 port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
2525 strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
2526 sizeof(port_attr->os_device_name));
2531 strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
2532 sizeof(port_attr->host_name));
2537 * Convert BFA speed to FDMI format.
2540 bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
2544 switch (pport_speed) {
2545 case BFA_PORT_SPEED_1GBPS:
2546 case BFA_PORT_SPEED_2GBPS:
2550 case BFA_PORT_SPEED_4GBPS:
2551 ret = FDMI_TRANS_SPEED_4G;
2554 case BFA_PORT_SPEED_8GBPS:
2555 ret = FDMI_TRANS_SPEED_8G;
2558 case BFA_PORT_SPEED_10GBPS:
2559 ret = FDMI_TRANS_SPEED_10G;
2562 case BFA_PORT_SPEED_16GBPS:
2563 ret = FDMI_TRANS_SPEED_16G;
2567 ret = FDMI_TRANS_SPEED_UNKNOWN;
2573 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2575 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2578 if (ms->port->fcs->fdmi_enabled)
2579 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2581 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2585 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2587 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2590 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2594 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2596 struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2599 bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2602 #define BFA_FCS_MS_CMD_MAX_RETRIES 2
2605 * forward declarations
2607 static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2608 struct bfa_fcxp_s *fcxp_alloced);
2609 static void bfa_fcs_lport_ms_timeout(void *arg);
2610 static void bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2611 struct bfa_fcxp_s *fcxp,
2613 bfa_status_t req_status,
2616 struct fchs_s *rsp_fchs);
2618 static void bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2619 struct bfa_fcxp_s *fcxp_alloced);
2620 static void bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2621 struct bfa_fcxp_s *fcxp,
2623 bfa_status_t req_status,
2626 struct fchs_s *rsp_fchs);
2627 static void bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2628 struct bfa_fcxp_s *fcxp_alloced);
2629 static void bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2630 struct bfa_fcxp_s *fcxp,
2632 bfa_status_t req_status,
2635 struct fchs_s *rsp_fchs);
2637 * fcs_ms_sm FCS MS state machine
2641 * MS State Machine events
2643 enum port_ms_event {
2644 MSSM_EVENT_PORT_ONLINE = 1,
2645 MSSM_EVENT_PORT_OFFLINE = 2,
2646 MSSM_EVENT_RSP_OK = 3,
2647 MSSM_EVENT_RSP_ERROR = 4,
2648 MSSM_EVENT_TIMEOUT = 5,
2649 MSSM_EVENT_FCXP_SENT = 6,
2650 MSSM_EVENT_PORT_FABRIC_RSCN = 7
2653 static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2654 enum port_ms_event event);
2655 static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2656 enum port_ms_event event);
2657 static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2658 enum port_ms_event event);
2659 static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2660 enum port_ms_event event);
2661 static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2662 enum port_ms_event event);
2663 static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2664 enum port_ms_event event);
2665 static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2666 enum port_ms_event event);
2667 static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2668 enum port_ms_event event);
2669 static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2670 enum port_ms_event event);
2671 static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2672 enum port_ms_event event);
2673 static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2674 enum port_ms_event event);
2676 * Start in offline state - awaiting NS to send start.
2679 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2680 enum port_ms_event event)
2682 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2683 bfa_trc(ms->port->fcs, event);
2686 case MSSM_EVENT_PORT_ONLINE:
2687 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2688 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2691 case MSSM_EVENT_PORT_OFFLINE:
2695 bfa_sm_fault(ms->port->fcs, event);
2700 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2701 enum port_ms_event event)
2703 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2704 bfa_trc(ms->port->fcs, event);
2707 case MSSM_EVENT_FCXP_SENT:
2708 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2711 case MSSM_EVENT_PORT_OFFLINE:
2712 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2713 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2718 bfa_sm_fault(ms->port->fcs, event);
2723 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2724 enum port_ms_event event)
2726 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2727 bfa_trc(ms->port->fcs, event);
2730 case MSSM_EVENT_RSP_ERROR:
2732 * Start timer for a delayed retry
2734 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2735 ms->port->stats.ms_retries++;
2736 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2737 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2738 BFA_FCS_RETRY_TIMEOUT);
2741 case MSSM_EVENT_RSP_OK:
2743 * since plogi is done, now invoke MS related sub-modules
2745 bfa_fcs_lport_fdmi_online(ms);
2748 * if this is a Vport, go to online state.
2750 if (ms->port->vport) {
2751 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2756 * For a base port we need to get the
2757 * switch's IP address.
2759 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2760 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2763 case MSSM_EVENT_PORT_OFFLINE:
2764 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2765 bfa_fcxp_discard(ms->fcxp);
2769 bfa_sm_fault(ms->port->fcs, event);
2774 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2775 enum port_ms_event event)
2777 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2778 bfa_trc(ms->port->fcs, event);
2781 case MSSM_EVENT_TIMEOUT:
2783 * Retry Timer Expired. Re-send
2785 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2786 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2789 case MSSM_EVENT_PORT_OFFLINE:
2790 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2791 bfa_timer_stop(&ms->timer);
2795 bfa_sm_fault(ms->port->fcs, event);
2800 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2801 enum port_ms_event event)
2803 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2804 bfa_trc(ms->port->fcs, event);
2807 case MSSM_EVENT_PORT_OFFLINE:
2808 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2811 case MSSM_EVENT_PORT_FABRIC_RSCN:
2812 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2814 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2818 bfa_sm_fault(ms->port->fcs, event);
2823 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2824 enum port_ms_event event)
2826 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2827 bfa_trc(ms->port->fcs, event);
2830 case MSSM_EVENT_FCXP_SENT:
2831 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
2834 case MSSM_EVENT_PORT_OFFLINE:
2835 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2836 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2841 bfa_sm_fault(ms->port->fcs, event);
2846 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2847 enum port_ms_event event)
2849 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2850 bfa_trc(ms->port->fcs, event);
2853 case MSSM_EVENT_RSP_ERROR:
2855 * Start timer for a delayed retry
2857 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
2858 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
2859 ms->port->stats.ms_retries++;
2860 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2861 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2862 BFA_FCS_RETRY_TIMEOUT);
2864 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2865 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2870 case MSSM_EVENT_RSP_OK:
2871 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2872 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2875 case MSSM_EVENT_PORT_OFFLINE:
2876 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2877 bfa_fcxp_discard(ms->fcxp);
2881 bfa_sm_fault(ms->port->fcs, event);
2886 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2887 enum port_ms_event event)
2889 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2890 bfa_trc(ms->port->fcs, event);
2893 case MSSM_EVENT_TIMEOUT:
2895 * Retry Timer Expired. Re-send
2897 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2898 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2901 case MSSM_EVENT_PORT_OFFLINE:
2902 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2903 bfa_timer_stop(&ms->timer);
2907 bfa_sm_fault(ms->port->fcs, event);
2911 * ms_pvt MS local functions
2915 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2917 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2918 bfa_fcs_lport_t *port = ms->port;
2921 struct bfa_fcxp_s *fcxp;
2923 bfa_trc(port->fcs, port->pid);
2925 fcxp = fcxp_alloced ? fcxp_alloced :
2926 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2928 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2929 bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
2934 len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2935 bfa_fcs_lport_get_fcid(port),
2936 port->fabric->lps->pr_nwwn);
2938 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2939 FC_CLASS_3, len, &fchs,
2940 bfa_fcs_lport_ms_gmal_response, (void *)ms,
2941 FC_MAX_PDUSZ, FC_FCCT_TOV);
2943 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2947 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2948 void *cbarg, bfa_status_t req_status,
2949 u32 rsp_len, u32 resid_len,
2950 struct fchs_s *rsp_fchs)
2952 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2953 bfa_fcs_lport_t *port = ms->port;
2954 struct ct_hdr_s *cthdr = NULL;
2955 struct fcgs_gmal_resp_s *gmal_resp;
2956 struct fcgs_gmal_entry_s *gmal_entry;
2960 bfa_trc(port->fcs, req_status);
2961 bfa_trc(port->fcs, port->port_cfg.pwwn);
2966 if (req_status != BFA_STATUS_OK) {
2967 bfa_trc(port->fcs, req_status);
2968 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2972 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2973 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2975 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2976 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
2978 num_entries = be32_to_cpu(gmal_resp->ms_len);
2979 if (num_entries == 0) {
2980 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2984 * The response could contain multiple Entries.
2985 * Entries for SNMP interface, etc.
2986 * We look for the entry with a telnet prefix.
2987 * First "http://" entry refers to IP addr
2990 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
2991 while (num_entries > 0) {
2992 if (strncmp(gmal_entry->prefix,
2993 CT_GMAL_RESP_PREFIX_HTTP,
2994 sizeof(gmal_entry->prefix)) == 0) {
2997 * if the IP address is terminating with a '/',
2999 * Byte 0 consists of the length of the string.
3001 rsp_str = &(gmal_entry->prefix[0]);
3002 if (rsp_str[gmal_entry->len-1] == '/')
3003 rsp_str[gmal_entry->len-1] = 0;
3005 /* copy IP Address to fabric */
3006 strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
3007 gmal_entry->ip_addr,
3008 BFA_FCS_FABRIC_IPADDR_SZ);
3016 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3020 bfa_trc(port->fcs, cthdr->reason_code);
3021 bfa_trc(port->fcs, cthdr->exp_code);
3022 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3026 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
3027 enum port_ms_event event)
3029 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3030 bfa_trc(ms->port->fcs, event);
3033 case MSSM_EVENT_FCXP_SENT:
3034 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
3037 case MSSM_EVENT_PORT_OFFLINE:
3038 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3039 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3044 bfa_sm_fault(ms->port->fcs, event);
3049 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
3050 enum port_ms_event event)
3052 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3053 bfa_trc(ms->port->fcs, event);
3056 case MSSM_EVENT_RSP_ERROR:
3058 * Start timer for a delayed retry
3060 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3061 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
3062 ms->port->stats.ms_retries++;
3063 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3064 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3065 BFA_FCS_RETRY_TIMEOUT);
3067 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3072 case MSSM_EVENT_RSP_OK:
3073 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3076 case MSSM_EVENT_PORT_OFFLINE:
3077 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3078 bfa_fcxp_discard(ms->fcxp);
3082 bfa_sm_fault(ms->port->fcs, event);
3087 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
3088 enum port_ms_event event)
3090 bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3091 bfa_trc(ms->port->fcs, event);
3094 case MSSM_EVENT_TIMEOUT:
3096 * Retry Timer Expired. Re-send
3098 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3099 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3102 case MSSM_EVENT_PORT_OFFLINE:
3103 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3104 bfa_timer_stop(&ms->timer);
3108 bfa_sm_fault(ms->port->fcs, event);
3112 * ms_pvt MS local functions
3116 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3118 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3119 bfa_fcs_lport_t *port = ms->port;
3122 struct bfa_fcxp_s *fcxp;
3124 bfa_trc(port->fcs, port->pid);
3126 fcxp = fcxp_alloced ? fcxp_alloced :
3127 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3129 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3130 bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
3135 len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3136 bfa_fcs_lport_get_fcid(port),
3137 port->fabric->lps->pr_nwwn);
3139 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3140 FC_CLASS_3, len, &fchs,
3141 bfa_fcs_lport_ms_gfn_response, (void *)ms,
3142 FC_MAX_PDUSZ, FC_FCCT_TOV);
3144 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3148 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3149 void *cbarg, bfa_status_t req_status, u32 rsp_len,
3150 u32 resid_len, struct fchs_s *rsp_fchs)
3152 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3153 bfa_fcs_lport_t *port = ms->port;
3154 struct ct_hdr_s *cthdr = NULL;
3157 bfa_trc(port->fcs, req_status);
3158 bfa_trc(port->fcs, port->port_cfg.pwwn);
3163 if (req_status != BFA_STATUS_OK) {
3164 bfa_trc(port->fcs, req_status);
3165 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3169 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3170 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3172 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3173 gfn_resp = (wwn_t *)(cthdr + 1);
3174 /* check if it has actually changed */
3175 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
3176 gfn_resp, sizeof(wwn_t)) != 0)) {
3177 bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
3179 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3183 bfa_trc(port->fcs, cthdr->reason_code);
3184 bfa_trc(port->fcs, cthdr->exp_code);
3185 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3189 * ms_pvt MS local functions
3193 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3195 struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3196 struct bfa_fcs_lport_s *port = ms->port;
3199 struct bfa_fcxp_s *fcxp;
3201 bfa_trc(port->fcs, port->pid);
3203 fcxp = fcxp_alloced ? fcxp_alloced :
3204 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3206 port->stats.ms_plogi_alloc_wait++;
3207 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3208 bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
3213 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3214 bfa_hton3b(FC_MGMT_SERVER),
3215 bfa_fcs_lport_get_fcid(port), 0,
3216 port->port_cfg.pwwn, port->port_cfg.nwwn,
3217 bfa_fcport_get_maxfrsize(port->fcs->bfa),
3218 bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3220 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3221 FC_CLASS_3, len, &fchs,
3222 bfa_fcs_lport_ms_plogi_response, (void *)ms,
3223 FC_MAX_PDUSZ, FC_ELS_TOV);
3225 port->stats.ms_plogi_sent++;
3226 bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3230 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3231 void *cbarg, bfa_status_t req_status,
3232 u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
3234 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3235 struct bfa_fcs_lport_s *port = ms->port;
3236 struct fc_els_cmd_s *els_cmd;
3237 struct fc_ls_rjt_s *ls_rjt;
3239 bfa_trc(port->fcs, req_status);
3240 bfa_trc(port->fcs, port->port_cfg.pwwn);
3245 if (req_status != BFA_STATUS_OK) {
3246 port->stats.ms_plogi_rsp_err++;
3247 bfa_trc(port->fcs, req_status);
3248 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3252 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3254 switch (els_cmd->els_code) {
3257 if (rsp_len < sizeof(struct fc_logi_s)) {
3258 bfa_trc(port->fcs, rsp_len);
3259 port->stats.ms_plogi_acc_err++;
3260 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3263 port->stats.ms_plogi_accepts++;
3264 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3268 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3270 bfa_trc(port->fcs, ls_rjt->reason_code);
3271 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3273 port->stats.ms_rejects++;
3274 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3278 port->stats.ms_plogi_unknown_rsp++;
3279 bfa_trc(port->fcs, els_cmd->els_code);
3280 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3285 bfa_fcs_lport_ms_timeout(void *arg)
3287 struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
3289 ms->port->stats.ms_timeouts++;
3290 bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
3295 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
3297 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3300 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3303 * Invoke init routines of sub modules.
3305 bfa_fcs_lport_fdmi_init(ms);
3309 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
3311 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3314 bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
3315 bfa_fcs_lport_fdmi_offline(ms);
3319 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3321 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3324 bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3327 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3329 struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3331 /* todo. Handle this only when in Online state */
3332 if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3333 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3337 * @page ns_sm_info VPORT NS State Machine
3339 * @section ns_sm_interactions VPORT NS State Machine Interactions
3341 * @section ns_sm VPORT NS State Machine
3346 * forward declarations
3348 static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3349 struct bfa_fcxp_s *fcxp_alloced);
3350 static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3351 struct bfa_fcxp_s *fcxp_alloced);
3352 static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3353 struct bfa_fcxp_s *fcxp_alloced);
3354 static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3355 struct bfa_fcxp_s *fcxp_alloced);
3356 static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3357 struct bfa_fcxp_s *fcxp_alloced);
3358 static void bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
3359 struct bfa_fcxp_s *fcxp_alloced);
3360 static void bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
3361 struct bfa_fcxp_s *fcxp_alloced);
3362 static void bfa_fcs_lport_ns_timeout(void *arg);
3363 static void bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3364 struct bfa_fcxp_s *fcxp,
3366 bfa_status_t req_status,
3369 struct fchs_s *rsp_fchs);
3370 static void bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3371 struct bfa_fcxp_s *fcxp,
3373 bfa_status_t req_status,
3376 struct fchs_s *rsp_fchs);
3377 static void bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3378 struct bfa_fcxp_s *fcxp,
3380 bfa_status_t req_status,
3383 struct fchs_s *rsp_fchs);
3384 static void bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3385 struct bfa_fcxp_s *fcxp,
3387 bfa_status_t req_status,
3390 struct fchs_s *rsp_fchs);
3391 static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3392 struct bfa_fcxp_s *fcxp,
3394 bfa_status_t req_status,
3397 struct fchs_s *rsp_fchs);
3398 static void bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
3399 struct bfa_fcxp_s *fcxp,
3401 bfa_status_t req_status,
3404 struct fchs_s *rsp_fchs);
3405 static void bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
3406 struct bfa_fcxp_s *fcxp,
3408 bfa_status_t req_status,
3411 struct fchs_s *rsp_fchs);
3412 static void bfa_fcs_lport_ns_process_gidft_pids(
3413 struct bfa_fcs_lport_s *port,
3414 u32 *pid_buf, u32 n_pids);
3416 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3418 * fcs_ns_sm FCS nameserver interface state machine
3422 * VPort NS State Machine events
3424 enum vport_ns_event {
3425 NSSM_EVENT_PORT_ONLINE = 1,
3426 NSSM_EVENT_PORT_OFFLINE = 2,
3427 NSSM_EVENT_PLOGI_SENT = 3,
3428 NSSM_EVENT_RSP_OK = 4,
3429 NSSM_EVENT_RSP_ERROR = 5,
3430 NSSM_EVENT_TIMEOUT = 6,
3431 NSSM_EVENT_NS_QUERY = 7,
3432 NSSM_EVENT_RSPNID_SENT = 8,
3433 NSSM_EVENT_RFTID_SENT = 9,
3434 NSSM_EVENT_RFFID_SENT = 10,
3435 NSSM_EVENT_GIDFT_SENT = 11,
3436 NSSM_EVENT_RNNID_SENT = 12,
3437 NSSM_EVENT_RSNN_NN_SENT = 13,
3440 static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3441 enum vport_ns_event event);
3442 static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3443 enum vport_ns_event event);
3444 static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3445 enum vport_ns_event event);
3446 static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3447 enum vport_ns_event event);
3448 static void bfa_fcs_lport_ns_sm_sending_rspn_id(
3449 struct bfa_fcs_lport_ns_s *ns,
3450 enum vport_ns_event event);
3451 static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3452 enum vport_ns_event event);
3453 static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3454 enum vport_ns_event event);
3455 static void bfa_fcs_lport_ns_sm_sending_rft_id(
3456 struct bfa_fcs_lport_ns_s *ns,
3457 enum vport_ns_event event);
3458 static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3459 enum vport_ns_event event);
3460 static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3461 enum vport_ns_event event);
3462 static void bfa_fcs_lport_ns_sm_sending_rff_id(
3463 struct bfa_fcs_lport_ns_s *ns,
3464 enum vport_ns_event event);
3465 static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3466 enum vport_ns_event event);
3467 static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3468 enum vport_ns_event event);
3469 static void bfa_fcs_lport_ns_sm_sending_gid_ft(
3470 struct bfa_fcs_lport_ns_s *ns,
3471 enum vport_ns_event event);
3472 static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3473 enum vport_ns_event event);
3474 static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3475 enum vport_ns_event event);
3476 static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3477 enum vport_ns_event event);
3478 static void bfa_fcs_lport_ns_sm_sending_rnn_id(
3479 struct bfa_fcs_lport_ns_s *ns,
3480 enum vport_ns_event event);
3481 static void bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3482 enum vport_ns_event event);
3483 static void bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3484 enum vport_ns_event event);
3485 static void bfa_fcs_lport_ns_sm_sending_rsnn_nn(
3486 struct bfa_fcs_lport_ns_s *ns,
3487 enum vport_ns_event event);
3488 static void bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3489 enum vport_ns_event event);
3490 static void bfa_fcs_lport_ns_sm_rsnn_nn_retry(
3491 struct bfa_fcs_lport_ns_s *ns,
3492 enum vport_ns_event event);
3494 * Start in offline state - awaiting linkup
3497 bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3498 enum vport_ns_event event)
3500 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3501 bfa_trc(ns->port->fcs, event);
3504 case NSSM_EVENT_PORT_ONLINE:
3505 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3506 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3509 case NSSM_EVENT_PORT_OFFLINE:
3513 bfa_sm_fault(ns->port->fcs, event);
3518 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3519 enum vport_ns_event event)
3521 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3522 bfa_trc(ns->port->fcs, event);
3525 case NSSM_EVENT_PLOGI_SENT:
3526 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3529 case NSSM_EVENT_PORT_OFFLINE:
3530 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3531 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3536 bfa_sm_fault(ns->port->fcs, event);
3541 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3542 enum vport_ns_event event)
3544 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3545 bfa_trc(ns->port->fcs, event);
3548 case NSSM_EVENT_RSP_ERROR:
3550 * Start timer for a delayed retry
3552 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3553 ns->port->stats.ns_retries++;
3554 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3555 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3556 BFA_FCS_RETRY_TIMEOUT);
3559 case NSSM_EVENT_RSP_OK:
3560 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3561 ns->num_rnnid_retries = 0;
3562 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3565 case NSSM_EVENT_PORT_OFFLINE:
3566 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3567 bfa_fcxp_discard(ns->fcxp);
3571 bfa_sm_fault(ns->port->fcs, event);
3576 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3577 enum vport_ns_event event)
3579 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3580 bfa_trc(ns->port->fcs, event);
3583 case NSSM_EVENT_TIMEOUT:
3585 * Retry Timer Expired. Re-send
3587 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3588 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3591 case NSSM_EVENT_PORT_OFFLINE:
3592 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3593 bfa_timer_stop(&ns->timer);
3597 bfa_sm_fault(ns->port->fcs, event);
3602 bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3603 enum vport_ns_event event)
3605 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3606 bfa_trc(ns->port->fcs, event);
3609 case NSSM_EVENT_RNNID_SENT:
3610 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
3613 case NSSM_EVENT_PORT_OFFLINE:
3614 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3615 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3619 bfa_sm_fault(ns->port->fcs, event);
3624 bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3625 enum vport_ns_event event)
3627 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3628 bfa_trc(ns->port->fcs, event);
3631 case NSSM_EVENT_RSP_OK:
3632 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3633 ns->num_rnnid_retries = 0;
3634 ns->num_rsnn_nn_retries = 0;
3635 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3638 case NSSM_EVENT_RSP_ERROR:
3639 if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
3640 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
3641 ns->port->stats.ns_retries++;
3642 ns->num_rnnid_retries++;
3643 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3644 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3645 BFA_FCS_RETRY_TIMEOUT);
3647 bfa_sm_set_state(ns,
3648 bfa_fcs_lport_ns_sm_sending_rspn_id);
3649 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3653 case NSSM_EVENT_PORT_OFFLINE:
3654 bfa_fcxp_discard(ns->fcxp);
3655 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3659 bfa_sm_fault(ns->port->fcs, event);
3664 bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3665 enum vport_ns_event event)
3667 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3668 bfa_trc(ns->port->fcs, event);
3671 case NSSM_EVENT_TIMEOUT:
3672 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3673 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3676 case NSSM_EVENT_PORT_OFFLINE:
3677 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3678 bfa_timer_stop(&ns->timer);
3682 bfa_sm_fault(ns->port->fcs, event);
3687 bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3688 enum vport_ns_event event)
3690 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3691 bfa_trc(ns->port->fcs, event);
3694 case NSSM_EVENT_RSNN_NN_SENT:
3695 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
3698 case NSSM_EVENT_PORT_OFFLINE:
3699 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3700 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3705 bfa_sm_fault(ns->port->fcs, event);
3710 bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3711 enum vport_ns_event event)
3713 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3714 bfa_trc(ns->port->fcs, event);
3717 case NSSM_EVENT_RSP_OK:
3718 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3719 ns->num_rsnn_nn_retries = 0;
3720 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3723 case NSSM_EVENT_RSP_ERROR:
3724 if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
3725 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
3726 ns->port->stats.ns_retries++;
3727 ns->num_rsnn_nn_retries++;
3728 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3729 &ns->timer, bfa_fcs_lport_ns_timeout,
3730 ns, BFA_FCS_RETRY_TIMEOUT);
3732 bfa_sm_set_state(ns,
3733 bfa_fcs_lport_ns_sm_sending_rspn_id);
3734 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3738 case NSSM_EVENT_PORT_OFFLINE:
3739 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3740 bfa_fcxp_discard(ns->fcxp);
3744 bfa_sm_fault(ns->port->fcs, event);
3749 bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
3750 enum vport_ns_event event)
3752 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3753 bfa_trc(ns->port->fcs, event);
3756 case NSSM_EVENT_TIMEOUT:
3757 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3758 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3761 case NSSM_EVENT_PORT_OFFLINE:
3762 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3763 bfa_timer_stop(&ns->timer);
3767 bfa_sm_fault(ns->port->fcs, event);
3772 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3773 enum vport_ns_event event)
3775 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3776 bfa_trc(ns->port->fcs, event);
3779 case NSSM_EVENT_RSPNID_SENT:
3780 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
3783 case NSSM_EVENT_PORT_OFFLINE:
3784 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3785 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3790 bfa_sm_fault(ns->port->fcs, event);
3795 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3796 enum vport_ns_event event)
3798 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3799 bfa_trc(ns->port->fcs, event);
3802 case NSSM_EVENT_RSP_ERROR:
3804 * Start timer for a delayed retry
3806 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
3807 ns->port->stats.ns_retries++;
3808 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3809 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3810 BFA_FCS_RETRY_TIMEOUT);
3813 case NSSM_EVENT_RSP_OK:
3814 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3815 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3818 case NSSM_EVENT_PORT_OFFLINE:
3819 bfa_fcxp_discard(ns->fcxp);
3820 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3824 bfa_sm_fault(ns->port->fcs, event);
3829 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3830 enum vport_ns_event event)
3832 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3833 bfa_trc(ns->port->fcs, event);
3836 case NSSM_EVENT_TIMEOUT:
3838 * Retry Timer Expired. Re-send
3840 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3841 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3844 case NSSM_EVENT_PORT_OFFLINE:
3845 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3846 bfa_timer_stop(&ns->timer);
3850 bfa_sm_fault(ns->port->fcs, event);
3855 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
3856 enum vport_ns_event event)
3858 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3859 bfa_trc(ns->port->fcs, event);
3862 case NSSM_EVENT_RFTID_SENT:
3863 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
3866 case NSSM_EVENT_PORT_OFFLINE:
3867 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3868 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3873 bfa_sm_fault(ns->port->fcs, event);
3878 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3879 enum vport_ns_event event)
3881 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3882 bfa_trc(ns->port->fcs, event);
3885 case NSSM_EVENT_RSP_OK:
3886 /* Now move to register FC4 Features */
3887 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
3888 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
3891 case NSSM_EVENT_RSP_ERROR:
3893 * Start timer for a delayed retry
3895 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
3896 ns->port->stats.ns_retries++;
3897 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3898 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3899 BFA_FCS_RETRY_TIMEOUT);
3902 case NSSM_EVENT_PORT_OFFLINE:
3903 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3904 bfa_fcxp_discard(ns->fcxp);
3908 bfa_sm_fault(ns->port->fcs, event);
3913 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3914 enum vport_ns_event event)
3916 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3917 bfa_trc(ns->port->fcs, event);
3920 case NSSM_EVENT_TIMEOUT:
3921 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3922 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3925 case NSSM_EVENT_PORT_OFFLINE:
3926 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3927 bfa_timer_stop(&ns->timer);
3931 bfa_sm_fault(ns->port->fcs, event);
3936 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
3937 enum vport_ns_event event)
3939 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3940 bfa_trc(ns->port->fcs, event);
3943 case NSSM_EVENT_RFFID_SENT:
3944 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
3947 case NSSM_EVENT_PORT_OFFLINE:
3948 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3949 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3954 bfa_sm_fault(ns->port->fcs, event);
3959 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3960 enum vport_ns_event event)
3962 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3963 bfa_trc(ns->port->fcs, event);
3966 case NSSM_EVENT_RSP_OK:
3969 * If min cfg mode is enabled, we donot initiate rport
3970 * discovery with the fabric. Instead, we will retrieve the
3971 * boot targets from HAL/FW.
3973 if (__fcs_min_cfg(ns->port->fcs)) {
3974 bfa_fcs_lport_ns_boot_target_disc(ns->port);
3975 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
3980 * If the port role is Initiator Mode issue NS query.
3981 * If it is Target Mode, skip this and go to online.
3983 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
3984 bfa_sm_set_state(ns,
3985 bfa_fcs_lport_ns_sm_sending_gid_ft);
3986 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3989 * kick off mgmt srvr state machine
3991 bfa_fcs_lport_ms_online(ns->port);
3994 case NSSM_EVENT_RSP_ERROR:
3996 * Start timer for a delayed retry
3998 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
3999 ns->port->stats.ns_retries++;
4000 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4001 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4002 BFA_FCS_RETRY_TIMEOUT);
4005 case NSSM_EVENT_PORT_OFFLINE:
4006 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4007 bfa_fcxp_discard(ns->fcxp);
4011 bfa_sm_fault(ns->port->fcs, event);
4016 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
4017 enum vport_ns_event event)
4019 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4020 bfa_trc(ns->port->fcs, event);
4023 case NSSM_EVENT_TIMEOUT:
4024 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4025 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4028 case NSSM_EVENT_PORT_OFFLINE:
4029 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4030 bfa_timer_stop(&ns->timer);
4034 bfa_sm_fault(ns->port->fcs, event);
4038 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4039 enum vport_ns_event event)
4041 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4042 bfa_trc(ns->port->fcs, event);
4045 case NSSM_EVENT_GIDFT_SENT:
4046 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
4049 case NSSM_EVENT_PORT_OFFLINE:
4050 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4051 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4056 bfa_sm_fault(ns->port->fcs, event);
4061 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4062 enum vport_ns_event event)
4064 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4065 bfa_trc(ns->port->fcs, event);
4068 case NSSM_EVENT_RSP_OK:
4069 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4072 case NSSM_EVENT_RSP_ERROR:
4074 * TBD: for certain reject codes, we don't need to retry
4077 * Start timer for a delayed retry
4079 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
4080 ns->port->stats.ns_retries++;
4081 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4082 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4083 BFA_FCS_RETRY_TIMEOUT);
4086 case NSSM_EVENT_PORT_OFFLINE:
4087 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4088 bfa_fcxp_discard(ns->fcxp);
4091 case NSSM_EVENT_NS_QUERY:
4095 bfa_sm_fault(ns->port->fcs, event);
4100 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
4101 enum vport_ns_event event)
4103 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4104 bfa_trc(ns->port->fcs, event);
4107 case NSSM_EVENT_TIMEOUT:
4108 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
4109 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4112 case NSSM_EVENT_PORT_OFFLINE:
4113 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4114 bfa_timer_stop(&ns->timer);
4118 bfa_sm_fault(ns->port->fcs, event);
4123 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
4124 enum vport_ns_event event)
4126 bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4127 bfa_trc(ns->port->fcs, event);
4130 case NSSM_EVENT_PORT_OFFLINE:
4131 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4134 case NSSM_EVENT_NS_QUERY:
4136 * If the port role is Initiator Mode issue NS query.
4137 * If it is Target Mode, skip this and go to online.
4139 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4140 bfa_sm_set_state(ns,
4141 bfa_fcs_lport_ns_sm_sending_gid_ft);
4142 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4147 bfa_sm_fault(ns->port->fcs, event);
4154 * ns_pvt Nameserver local functions
4158 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4160 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4161 struct bfa_fcs_lport_s *port = ns->port;
4164 struct bfa_fcxp_s *fcxp;
4166 bfa_trc(port->fcs, port->pid);
4168 fcxp = fcxp_alloced ? fcxp_alloced :
4169 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4171 port->stats.ns_plogi_alloc_wait++;
4172 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4173 bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
4178 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4179 bfa_hton3b(FC_NAME_SERVER),
4180 bfa_fcs_lport_get_fcid(port), 0,
4181 port->port_cfg.pwwn, port->port_cfg.nwwn,
4182 bfa_fcport_get_maxfrsize(port->fcs->bfa),
4183 bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
4185 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4186 FC_CLASS_3, len, &fchs,
4187 bfa_fcs_lport_ns_plogi_response, (void *)ns,
4188 FC_MAX_PDUSZ, FC_ELS_TOV);
4189 port->stats.ns_plogi_sent++;
4191 bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
4195 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4196 void *cbarg, bfa_status_t req_status, u32 rsp_len,
4197 u32 resid_len, struct fchs_s *rsp_fchs)
4199 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4200 struct bfa_fcs_lport_s *port = ns->port;
4201 /* struct fc_logi_s *plogi_resp; */
4202 struct fc_els_cmd_s *els_cmd;
4203 struct fc_ls_rjt_s *ls_rjt;
4205 bfa_trc(port->fcs, req_status);
4206 bfa_trc(port->fcs, port->port_cfg.pwwn);
4211 if (req_status != BFA_STATUS_OK) {
4212 bfa_trc(port->fcs, req_status);
4213 port->stats.ns_plogi_rsp_err++;
4214 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4218 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4220 switch (els_cmd->els_code) {
4223 if (rsp_len < sizeof(struct fc_logi_s)) {
4224 bfa_trc(port->fcs, rsp_len);
4225 port->stats.ns_plogi_acc_err++;
4226 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4229 port->stats.ns_plogi_accepts++;
4230 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4234 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4236 bfa_trc(port->fcs, ls_rjt->reason_code);
4237 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4239 port->stats.ns_rejects++;
4241 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4245 port->stats.ns_plogi_unknown_rsp++;
4246 bfa_trc(port->fcs, els_cmd->els_code);
4247 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4252 * Register node name for port_id
4255 bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4257 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4258 struct bfa_fcs_lport_s *port = ns->port;
4261 struct bfa_fcxp_s *fcxp;
4263 bfa_trc(port->fcs, port->port_cfg.pwwn);
4265 fcxp = fcxp_alloced ? fcxp_alloced :
4266 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4268 port->stats.ns_rnnid_alloc_wait++;
4269 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4270 bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
4276 len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4277 bfa_fcs_lport_get_fcid(port),
4278 bfa_fcs_lport_get_fcid(port),
4279 bfa_fcs_lport_get_nwwn(port));
4281 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4282 FC_CLASS_3, len, &fchs,
4283 bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
4284 FC_MAX_PDUSZ, FC_FCCT_TOV);
4286 port->stats.ns_rnnid_sent++;
4287 bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
4291 bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4292 void *cbarg, bfa_status_t req_status,
4293 u32 rsp_len, u32 resid_len,
4294 struct fchs_s *rsp_fchs)
4297 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4298 struct bfa_fcs_lport_s *port = ns->port;
4299 struct ct_hdr_s *cthdr = NULL;
4301 bfa_trc(port->fcs, port->port_cfg.pwwn);
4306 if (req_status != BFA_STATUS_OK) {
4307 bfa_trc(port->fcs, req_status);
4308 port->stats.ns_rnnid_rsp_err++;
4309 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4313 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4314 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4316 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4317 port->stats.ns_rnnid_accepts++;
4318 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4322 port->stats.ns_rnnid_rejects++;
4323 bfa_trc(port->fcs, cthdr->reason_code);
4324 bfa_trc(port->fcs, cthdr->exp_code);
4325 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4329 * Register the symbolic node name for a given node name.
4332 bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4334 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4335 struct bfa_fcs_lport_s *port = ns->port;
4338 struct bfa_fcxp_s *fcxp;
4341 bfa_trc(port->fcs, port->port_cfg.pwwn);
4343 fcxp = fcxp_alloced ? fcxp_alloced :
4344 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4346 port->stats.ns_rsnn_nn_alloc_wait++;
4347 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4348 bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
4353 nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
4354 bfa_fcs_get_base_port(port->fcs)));
4356 len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4357 bfa_fcs_lport_get_fcid(port),
4358 bfa_fcs_lport_get_nwwn(port), nsymbl);
4360 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4361 FC_CLASS_3, len, &fchs,
4362 bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
4363 FC_MAX_PDUSZ, FC_FCCT_TOV);
4365 port->stats.ns_rsnn_nn_sent++;
4367 bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
4371 bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4372 void *cbarg, bfa_status_t req_status,
4373 u32 rsp_len, u32 resid_len,
4374 struct fchs_s *rsp_fchs)
4376 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4377 struct bfa_fcs_lport_s *port = ns->port;
4378 struct ct_hdr_s *cthdr = NULL;
4380 bfa_trc(port->fcs, port->port_cfg.pwwn);
4385 if (req_status != BFA_STATUS_OK) {
4386 bfa_trc(port->fcs, req_status);
4387 port->stats.ns_rsnn_nn_rsp_err++;
4388 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4392 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4393 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4395 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4396 port->stats.ns_rsnn_nn_accepts++;
4397 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4401 port->stats.ns_rsnn_nn_rejects++;
4402 bfa_trc(port->fcs, cthdr->reason_code);
4403 bfa_trc(port->fcs, cthdr->exp_code);
4404 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4408 * Register the symbolic port name.
4411 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4413 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4414 struct bfa_fcs_lport_s *port = ns->port;
4417 struct bfa_fcxp_s *fcxp;
4419 u8 *psymbl = &symbl[0];
4421 memset(symbl, 0, sizeof(symbl));
4423 bfa_trc(port->fcs, port->port_cfg.pwwn);
4425 fcxp = fcxp_alloced ? fcxp_alloced :
4426 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4428 port->stats.ns_rspnid_alloc_wait++;
4429 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4430 bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
4436 * for V-Port, form a Port Symbolic Name
4440 * For Vports, we append the vport's port symbolic name
4441 * to that of the base port.
4444 strncpy((char *)psymbl,
4446 (bfa_fcs_lport_get_psym_name
4447 (bfa_fcs_get_base_port(port->fcs))),
4449 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4452 /* Ensure we have a null terminating string. */
4453 ((char *)psymbl)[strlen((char *) &
4454 bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4456 strncat((char *)psymbl,
4457 (char *) &(bfa_fcs_lport_get_psym_name(port)),
4458 strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
4460 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
4463 len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4464 bfa_fcs_lport_get_fcid(port), 0, psymbl);
4466 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4467 FC_CLASS_3, len, &fchs,
4468 bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
4469 FC_MAX_PDUSZ, FC_FCCT_TOV);
4471 port->stats.ns_rspnid_sent++;
4473 bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
4477 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4478 void *cbarg, bfa_status_t req_status,
4479 u32 rsp_len, u32 resid_len,
4480 struct fchs_s *rsp_fchs)
4482 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4483 struct bfa_fcs_lport_s *port = ns->port;
4484 struct ct_hdr_s *cthdr = NULL;
4486 bfa_trc(port->fcs, port->port_cfg.pwwn);
4491 if (req_status != BFA_STATUS_OK) {
4492 bfa_trc(port->fcs, req_status);
4493 port->stats.ns_rspnid_rsp_err++;
4494 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4498 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4499 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4501 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4502 port->stats.ns_rspnid_accepts++;
4503 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4507 port->stats.ns_rspnid_rejects++;
4508 bfa_trc(port->fcs, cthdr->reason_code);
4509 bfa_trc(port->fcs, cthdr->exp_code);
4510 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4514 * Register FC4-Types
4517 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4519 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4520 struct bfa_fcs_lport_s *port = ns->port;
4523 struct bfa_fcxp_s *fcxp;
4525 bfa_trc(port->fcs, port->port_cfg.pwwn);
4527 fcxp = fcxp_alloced ? fcxp_alloced :
4528 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4530 port->stats.ns_rftid_alloc_wait++;
4531 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4532 bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
4537 len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4538 bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
4540 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4541 FC_CLASS_3, len, &fchs,
4542 bfa_fcs_lport_ns_rft_id_response, (void *)ns,
4543 FC_MAX_PDUSZ, FC_FCCT_TOV);
4545 port->stats.ns_rftid_sent++;
4546 bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
4550 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4551 void *cbarg, bfa_status_t req_status,
4552 u32 rsp_len, u32 resid_len,
4553 struct fchs_s *rsp_fchs)
4555 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4556 struct bfa_fcs_lport_s *port = ns->port;
4557 struct ct_hdr_s *cthdr = NULL;
4559 bfa_trc(port->fcs, port->port_cfg.pwwn);
4564 if (req_status != BFA_STATUS_OK) {
4565 bfa_trc(port->fcs, req_status);
4566 port->stats.ns_rftid_rsp_err++;
4567 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4571 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4572 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4574 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4575 port->stats.ns_rftid_accepts++;
4576 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4580 port->stats.ns_rftid_rejects++;
4581 bfa_trc(port->fcs, cthdr->reason_code);
4582 bfa_trc(port->fcs, cthdr->exp_code);
4583 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4587 * Register FC4-Features : Should be done after RFT_ID
4590 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4592 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4593 struct bfa_fcs_lport_s *port = ns->port;
4596 struct bfa_fcxp_s *fcxp;
4599 bfa_trc(port->fcs, port->port_cfg.pwwn);
4601 fcxp = fcxp_alloced ? fcxp_alloced :
4602 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4604 port->stats.ns_rffid_alloc_wait++;
4605 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4606 bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
4611 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
4612 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
4614 len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4615 bfa_fcs_lport_get_fcid(port), 0,
4616 FC_TYPE_FCP, fc4_ftrs);
4618 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4619 FC_CLASS_3, len, &fchs,
4620 bfa_fcs_lport_ns_rff_id_response, (void *)ns,
4621 FC_MAX_PDUSZ, FC_FCCT_TOV);
4623 port->stats.ns_rffid_sent++;
4624 bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
4628 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4629 void *cbarg, bfa_status_t req_status,
4630 u32 rsp_len, u32 resid_len,
4631 struct fchs_s *rsp_fchs)
4633 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4634 struct bfa_fcs_lport_s *port = ns->port;
4635 struct ct_hdr_s *cthdr = NULL;
4637 bfa_trc(port->fcs, port->port_cfg.pwwn);
4642 if (req_status != BFA_STATUS_OK) {
4643 bfa_trc(port->fcs, req_status);
4644 port->stats.ns_rffid_rsp_err++;
4645 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4649 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4650 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4652 if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4653 port->stats.ns_rffid_accepts++;
4654 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4658 port->stats.ns_rffid_rejects++;
4659 bfa_trc(port->fcs, cthdr->reason_code);
4660 bfa_trc(port->fcs, cthdr->exp_code);
4662 if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
4663 /* if this command is not supported, we don't retry */
4664 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4666 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4669 * Query Fabric for FC4-Types Devices.
4671 * TBD : Need to use a local (FCS private) response buffer, since the response
4672 * can be larger than 2K.
4675 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4677 struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4678 struct bfa_fcs_lport_s *port = ns->port;
4681 struct bfa_fcxp_s *fcxp;
4683 bfa_trc(port->fcs, port->pid);
4685 fcxp = fcxp_alloced ? fcxp_alloced :
4686 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4688 port->stats.ns_gidft_alloc_wait++;
4689 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4690 bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
4696 * This query is only initiated for FCP initiator mode.
4698 len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4699 ns->port->pid, FC_TYPE_FCP);
4701 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4702 FC_CLASS_3, len, &fchs,
4703 bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4704 bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4706 port->stats.ns_gidft_sent++;
4708 bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4712 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4713 void *cbarg, bfa_status_t req_status,
4714 u32 rsp_len, u32 resid_len,
4715 struct fchs_s *rsp_fchs)
4717 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4718 struct bfa_fcs_lport_s *port = ns->port;
4719 struct ct_hdr_s *cthdr = NULL;
4722 bfa_trc(port->fcs, port->port_cfg.pwwn);
4727 if (req_status != BFA_STATUS_OK) {
4728 bfa_trc(port->fcs, req_status);
4729 port->stats.ns_gidft_rsp_err++;
4730 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4734 if (resid_len != 0) {
4736 * TBD : we will need to allocate a larger buffer & retry the
4739 bfa_trc(port->fcs, rsp_len);
4740 bfa_trc(port->fcs, resid_len);
4744 cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4745 cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4747 switch (cthdr->cmd_rsp_code) {
4751 port->stats.ns_gidft_accepts++;
4752 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4753 bfa_trc(port->fcs, n_pids);
4754 bfa_fcs_lport_ns_process_gidft_pids(port,
4755 (u32 *) (cthdr + 1),
4757 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4763 * Check the reason code & explanation.
4764 * There may not have been any FC4 devices in the fabric
4766 port->stats.ns_gidft_rejects++;
4767 bfa_trc(port->fcs, cthdr->reason_code);
4768 bfa_trc(port->fcs, cthdr->exp_code);
4770 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4771 && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4773 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4776 * for all other errors, retry
4778 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4783 port->stats.ns_gidft_unknown_rsp++;
4784 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
4785 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4790 * This routine will be called by bfa_timer on timer timeouts.
4792 * param[in] port - pointer to bfa_fcs_lport_t.
4797 * Special Considerations:
4802 bfa_fcs_lport_ns_timeout(void *arg)
4804 struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
4806 ns->port->stats.ns_timeouts++;
4807 bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
4811 * Process the PID list in GID_FT response
4814 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
4817 struct fcgs_gidft_resp_s *gidft_entry;
4818 struct bfa_fcs_rport_s *rport;
4820 struct bfa_fcs_fabric_s *fabric = port->fabric;
4821 struct bfa_fcs_vport_s *vport;
4822 struct list_head *qe;
4825 for (ii = 0; ii < n_pids; ii++) {
4826 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
4828 if (gidft_entry->pid == port->pid)
4832 * Ignore PID if it is of base port
4833 * (Avoid vports discovering base port as remote port)
4835 if (gidft_entry->pid == fabric->bport.pid)
4839 * Ignore PID if it is of vport created on the same base port
4840 * (Avoid vport discovering every other vport created on the
4841 * same port as remote port)
4843 list_for_each(qe, &fabric->vport_q) {
4844 vport = (struct bfa_fcs_vport_s *) qe;
4845 if (vport->lport.pid == gidft_entry->pid)
4855 * Check if this rport already exists
4857 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
4858 if (rport == NULL) {
4860 * this is a new device. create rport
4862 rport = bfa_fcs_rport_create(port, gidft_entry->pid);
4865 * this rport already exists
4867 bfa_fcs_rport_scn(rport);
4870 bfa_trc(port->fcs, gidft_entry->pid);
4873 * if the last entry bit is set, bail out.
4875 if (gidft_entry->last)
4881 * fcs_ns_public FCS nameserver public interfaces
4885 * Functions called by port/fab.
4886 * These will send relevant Events to the ns state machine.
4889 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
4891 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4894 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4898 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
4900 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4903 bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
4907 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
4909 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4912 bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
4916 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
4918 struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4920 bfa_trc(port->fcs, port->pid);
4921 if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
4922 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
4926 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
4929 struct bfa_fcs_rport_s *rport;
4931 wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
4934 bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
4936 for (ii = 0 ; ii < nwwns; ++ii) {
4937 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
4943 bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
4945 struct bfa_fcs_lport_ns_s *ns = cbarg;
4946 struct bfa_fcs_lport_s *port = ns->port;
4948 struct bfa_fcxp_s *fcxp;
4950 u8 *psymbl = &symbl[0];
4953 if (!bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
4956 /* Avoid sending RSPN in the following states. */
4957 if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
4958 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
4959 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
4960 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
4961 bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
4964 memset(symbl, 0, sizeof(symbl));
4965 bfa_trc(port->fcs, port->port_cfg.pwwn);
4967 fcxp = fcxp_alloced ? fcxp_alloced :
4968 bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
4970 port->stats.ns_rspnid_alloc_wait++;
4971 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4972 bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
4980 * For Vports, we append the vport's port symbolic name
4981 * to that of the base port.
4983 strncpy((char *)psymbl, (char *)&(bfa_fcs_lport_get_psym_name
4984 (bfa_fcs_get_base_port(port->fcs))),
4985 strlen((char *)&bfa_fcs_lport_get_psym_name(
4986 bfa_fcs_get_base_port(port->fcs))));
4988 /* Ensure we have a null terminating string. */
4989 ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name(
4990 bfa_fcs_get_base_port(port->fcs)))] = 0;
4992 strncat((char *)psymbl,
4993 (char *)&(bfa_fcs_lport_get_psym_name(port)),
4994 strlen((char *)&bfa_fcs_lport_get_psym_name(port)));
4997 len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4998 bfa_fcs_lport_get_fcid(port), 0, psymbl);
5000 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5001 FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
5003 port->stats.ns_rspnid_sent++;
5010 #define FC_QOS_RSCN_EVENT 0x0c
5011 #define FC_FABRIC_NAME_RSCN_EVENT 0x0d
5014 * forward declarations
5016 static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
5017 struct bfa_fcxp_s *fcxp_alloced);
5018 static void bfa_fcs_lport_scn_scr_response(void *fcsarg,
5019 struct bfa_fcxp_s *fcxp,
5021 bfa_status_t req_status,
5024 struct fchs_s *rsp_fchs);
5025 static void bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5026 struct fchs_s *rx_fchs);
5027 static void bfa_fcs_lport_scn_timeout(void *arg);
5030 * fcs_scm_sm FCS SCN state machine
5034 * VPort SCN State Machine events
5036 enum port_scn_event {
5037 SCNSM_EVENT_PORT_ONLINE = 1,
5038 SCNSM_EVENT_PORT_OFFLINE = 2,
5039 SCNSM_EVENT_RSP_OK = 3,
5040 SCNSM_EVENT_RSP_ERROR = 4,
5041 SCNSM_EVENT_TIMEOUT = 5,
5042 SCNSM_EVENT_SCR_SENT = 6,
5045 static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5046 enum port_scn_event event);
5047 static void bfa_fcs_lport_scn_sm_sending_scr(
5048 struct bfa_fcs_lport_scn_s *scn,
5049 enum port_scn_event event);
5050 static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5051 enum port_scn_event event);
5052 static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5053 enum port_scn_event event);
5054 static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5055 enum port_scn_event event);
5058 * Starting state - awaiting link up.
5061 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5062 enum port_scn_event event)
5065 case SCNSM_EVENT_PORT_ONLINE:
5066 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5067 bfa_fcs_lport_scn_send_scr(scn, NULL);
5070 case SCNSM_EVENT_PORT_OFFLINE:
5074 bfa_sm_fault(scn->port->fcs, event);
5079 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
5080 enum port_scn_event event)
5083 case SCNSM_EVENT_SCR_SENT:
5084 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
5087 case SCNSM_EVENT_PORT_OFFLINE:
5088 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5089 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
5093 bfa_sm_fault(scn->port->fcs, event);
5098 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5099 enum port_scn_event event)
5101 struct bfa_fcs_lport_s *port = scn->port;
5104 case SCNSM_EVENT_RSP_OK:
5105 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
5108 case SCNSM_EVENT_RSP_ERROR:
5109 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
5110 bfa_timer_start(port->fcs->bfa, &scn->timer,
5111 bfa_fcs_lport_scn_timeout, scn,
5112 BFA_FCS_RETRY_TIMEOUT);
5115 case SCNSM_EVENT_PORT_OFFLINE:
5116 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5117 bfa_fcxp_discard(scn->fcxp);
5121 bfa_sm_fault(port->fcs, event);
5126 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5127 enum port_scn_event event)
5130 case SCNSM_EVENT_TIMEOUT:
5131 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5132 bfa_fcs_lport_scn_send_scr(scn, NULL);
5135 case SCNSM_EVENT_PORT_OFFLINE:
5136 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5137 bfa_timer_stop(&scn->timer);
5141 bfa_sm_fault(scn->port->fcs, event);
5146 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5147 enum port_scn_event event)
5150 case SCNSM_EVENT_PORT_OFFLINE:
5151 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5155 bfa_sm_fault(scn->port->fcs, event);
5162 * fcs_scn_private FCS SCN private functions
5166 * This routine will be called to send a SCR command.
5169 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
5171 struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
5172 struct bfa_fcs_lport_s *port = scn->port;
5175 struct bfa_fcxp_s *fcxp;
5177 bfa_trc(port->fcs, port->pid);
5178 bfa_trc(port->fcs, port->port_cfg.pwwn);
5180 fcxp = fcxp_alloced ? fcxp_alloced :
5181 bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
5183 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
5184 bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
5189 /* Handle VU registrations for Base port only */
5190 if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
5191 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5192 port->fabric->lps->brcd_switch,
5195 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5200 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5201 FC_CLASS_3, len, &fchs,
5202 bfa_fcs_lport_scn_scr_response,
5203 (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
5205 bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
5209 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
5210 void *cbarg, bfa_status_t req_status, u32 rsp_len,
5211 u32 resid_len, struct fchs_s *rsp_fchs)
5213 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
5214 struct bfa_fcs_lport_s *port = scn->port;
5215 struct fc_els_cmd_s *els_cmd;
5216 struct fc_ls_rjt_s *ls_rjt;
5218 bfa_trc(port->fcs, port->port_cfg.pwwn);
5223 if (req_status != BFA_STATUS_OK) {
5224 bfa_trc(port->fcs, req_status);
5225 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5229 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
5231 switch (els_cmd->els_code) {
5234 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
5239 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
5241 bfa_trc(port->fcs, ls_rjt->reason_code);
5242 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
5244 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5248 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5256 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5257 struct fchs_s *rx_fchs)
5260 struct bfa_fcxp_s *fcxp;
5261 struct bfa_rport_s *bfa_rport = NULL;
5264 bfa_trc(port->fcs, rx_fchs->s_id);
5266 fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5270 len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5271 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
5274 bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
5275 BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
5280 * This routine will be called by bfa_timer on timer timeouts.
5282 * param[in] vport - pointer to bfa_fcs_lport_t.
5283 * param[out] vport_status - pointer to return vport status in
5288 * Special Considerations:
5293 bfa_fcs_lport_scn_timeout(void *arg)
5295 struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
5297 bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
5303 * fcs_scn_public FCS state change notification public interfaces
5307 * Functions called by port/fab
5310 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
5312 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5315 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5319 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
5321 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5324 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
5328 bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
5330 struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5333 bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
5337 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
5339 struct bfa_fcs_rport_s *rport;
5340 struct bfa_fcs_fabric_s *fabric = port->fabric;
5341 struct bfa_fcs_vport_s *vport;
5342 struct list_head *qe;
5344 bfa_trc(port->fcs, rpid);
5347 * Ignore PID if it is of base port or of vports created on the
5348 * same base port. It is to avoid vports discovering base port or
5349 * other vports created on same base port as remote port
5351 if (rpid == fabric->bport.pid)
5354 list_for_each(qe, &fabric->vport_q) {
5355 vport = (struct bfa_fcs_vport_s *) qe;
5356 if (vport->lport.pid == rpid)
5360 * If this is an unknown device, then it just came online.
5361 * Otherwise let rport handle the RSCN event.
5363 rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
5365 rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
5367 if (rport == NULL) {
5369 * If min cfg mode is enabled, we donot need to
5370 * discover any new rports.
5372 if (!__fcs_min_cfg(port->fcs))
5373 rport = bfa_fcs_rport_create(port, rpid);
5375 bfa_fcs_rport_scn(rport);
5379 * rscn format based PID comparison
5381 #define __fc_pid_match(__c0, __c1, __fmt) \
5382 (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \
5383 (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \
5384 ((__c0)[0] == (__c1)[0])) || \
5385 (((__fmt) == FC_RSCN_FORMAT_AREA) && \
5386 ((__c0)[0] == (__c1)[0]) && \
5387 ((__c0)[1] == (__c1)[1])))
5390 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
5391 enum fc_rscn_format format,
5394 struct bfa_fcs_rport_s *rport;
5395 struct list_head *qe, *qe_next;
5398 bfa_trc(port->fcs, format);
5399 bfa_trc(port->fcs, rscn_pid);
5401 c0 = (u8 *) &rscn_pid;
5403 list_for_each_safe(qe, qe_next, &port->rport_q) {
5404 rport = (struct bfa_fcs_rport_s *) qe;
5405 c1 = (u8 *) &rport->pid;
5406 if (__fc_pid_match(c0, c1, format))
5407 bfa_fcs_rport_scn(rport);
5413 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
5414 struct fchs_s *fchs, u32 len)
5416 struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
5419 bfa_boolean_t nsquery = BFA_FALSE, found;
5423 (be16_to_cpu(rscn->payldlen) -
5424 sizeof(u32)) / sizeof(rscn->event[0]);
5426 bfa_trc(port->fcs, num_entries);
5428 port->stats.num_rscn++;
5430 bfa_fcs_lport_scn_send_ls_acc(port, fchs);
5432 for (i = 0; i < num_entries; i++) {
5433 rscn_pid = rscn->event[i].portid;
5435 bfa_trc(port->fcs, rscn->event[i].format);
5436 bfa_trc(port->fcs, rscn_pid);
5438 /* check for duplicate entries in the list */
5440 for (j = 0; j < i; j++) {
5441 if (rscn->event[j].portid == rscn_pid) {
5447 /* if found in down the list, pid has been already processed */
5449 bfa_trc(port->fcs, rscn_pid);
5453 switch (rscn->event[i].format) {
5454 case FC_RSCN_FORMAT_PORTID:
5455 if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
5457 * Ignore this event.
5458 * f/w would have processed it
5460 bfa_trc(port->fcs, rscn_pid);
5462 port->stats.num_portid_rscn++;
5463 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
5467 case FC_RSCN_FORMAT_FABRIC:
5468 if (rscn->event[i].qualifier ==
5469 FC_FABRIC_NAME_RSCN_EVENT) {
5470 bfa_fcs_lport_ms_fabric_rscn(port);
5473 /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
5475 case FC_RSCN_FORMAT_AREA:
5476 case FC_RSCN_FORMAT_DOMAIN:
5478 bfa_fcs_lport_scn_multiport_rscn(port,
5479 rscn->event[i].format,
5491 * If any of area, domain or fabric RSCN is received, do a fresh
5492 * discovery to find new devices.
5495 bfa_fcs_lport_ns_query(port);
5502 * fcs_port_api BFA FCS port API
5504 struct bfa_fcs_lport_s *
5505 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
5507 return &fcs->fabric.bport;
5511 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
5512 int nrports, bfa_boolean_t bwwn)
5514 struct list_head *qh, *qe;
5515 struct bfa_fcs_rport_s *rport = NULL;
5517 struct bfa_fcs_s *fcs;
5519 if (port == NULL || nrports == 0)
5523 bfa_trc(fcs, (u32) nrports);
5526 qh = &port->rport_q;
5527 qe = bfa_q_first(qh);
5529 while ((qe != qh) && (i < nrports)) {
5530 rport = (struct bfa_fcs_rport_s *) qe;
5531 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5532 qe = bfa_q_next(qe);
5533 bfa_trc(fcs, (u32) rport->pwwn);
5534 bfa_trc(fcs, rport->pid);
5540 if (!memcmp(&wwn, &rport->pwwn, 8))
5548 qe = bfa_q_next(qe);
5559 bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
5560 struct bfa_rport_qualifier_s rports[], int *nrports)
5562 struct list_head *qh, *qe;
5563 struct bfa_fcs_rport_s *rport = NULL;
5565 struct bfa_fcs_s *fcs;
5567 if (port == NULL || rports == NULL || *nrports == 0)
5571 bfa_trc(fcs, (u32) *nrports);
5574 qh = &port->rport_q;
5575 qe = bfa_q_first(qh);
5577 while ((qe != qh) && (i < *nrports)) {
5578 rport = (struct bfa_fcs_rport_s *) qe;
5579 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5580 qe = bfa_q_next(qe);
5581 bfa_trc(fcs, (u32) rport->pwwn);
5582 bfa_trc(fcs, rport->pid);
5587 if (!rport->pwwn && !rport->pid) {
5588 qe = bfa_q_next(qe);
5592 rports[i].pwwn = rport->pwwn;
5593 rports[i].pid = rport->pid;
5596 qe = bfa_q_next(qe);
5604 * Iterate's through all the rport's in the given port to
5605 * determine the maximum operating speed.
5607 * !!!! To be used in TRL Functionality only !!!!
5610 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
5612 struct list_head *qh, *qe;
5613 struct bfa_fcs_rport_s *rport = NULL;
5614 struct bfa_fcs_s *fcs;
5615 bfa_port_speed_t max_speed = 0;
5616 struct bfa_port_attr_s port_attr;
5617 bfa_port_speed_t port_speed, rport_speed;
5618 bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
5626 /* Get Physical port's current speed */
5627 bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
5628 port_speed = port_attr.speed;
5629 bfa_trc(fcs, port_speed);
5631 qh = &port->rport_q;
5632 qe = bfa_q_first(qh);
5635 rport = (struct bfa_fcs_rport_s *) qe;
5636 if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
5637 (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
5638 (rport->scsi_function != BFA_RPORT_TARGET)) {
5639 qe = bfa_q_next(qe);
5643 rport_speed = rport->rpf.rpsc_speed;
5644 if ((trl_enabled) && (rport_speed ==
5645 BFA_PORT_SPEED_UNKNOWN)) {
5646 /* Use default ratelim speed setting */
5648 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
5651 if (rport_speed > max_speed)
5652 max_speed = rport_speed;
5654 qe = bfa_q_next(qe);
5657 if (max_speed > port_speed)
5658 max_speed = port_speed;
5660 bfa_trc(fcs, max_speed);
5664 struct bfa_fcs_lport_s *
5665 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
5667 struct bfa_fcs_vport_s *vport;
5670 WARN_ON(fcs == NULL);
5672 vf = bfa_fcs_vf_lookup(fcs, vf_id);
5674 bfa_trc(fcs, vf_id);
5678 if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
5681 vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
5683 return &vport->lport;
5689 * API corresponding to NPIV_VPORT_GETINFO.
5692 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
5693 struct bfa_lport_info_s *port_info)
5696 bfa_trc(port->fcs, port->fabric->fabric_name);
5698 if (port->vport == NULL) {
5700 * This is a Physical port
5702 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
5705 * @todo : need to fix the state & reason
5707 port_info->port_state = 0;
5708 port_info->offline_reason = 0;
5710 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5711 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5713 port_info->max_vports_supp =
5714 bfa_lps_get_max_vport(port->fcs->bfa);
5715 port_info->num_vports_inuse =
5716 port->fabric->num_vports;
5717 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
5718 port_info->num_rports_inuse = port->num_rports;
5721 * This is a virtual port
5723 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
5726 * @todo : need to fix the state & reason
5728 port_info->port_state = 0;
5729 port_info->offline_reason = 0;
5731 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5732 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5737 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
5738 struct bfa_lport_stats_s *port_stats)
5740 *port_stats = fcs_port->stats;
5744 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
5746 memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
5750 * Let new loop map create missing rports
5753 bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
5755 bfa_fcs_lport_loop_online(port);
5759 * FCS virtual port state machine
5762 #define __vport_fcs(__vp) ((__vp)->lport.fcs)
5763 #define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
5764 #define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
5765 #define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
5766 #define __vport_fcid(__vp) ((__vp)->lport.pid)
5767 #define __vport_fabric(__vp) ((__vp)->lport.fabric)
5768 #define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
5770 #define BFA_FCS_VPORT_MAX_RETRIES 5
5772 * Forward declarations
5774 static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
5775 static void bfa_fcs_vport_timeout(void *vport_arg);
5776 static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
5777 static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
5780 * fcs_vport_sm FCS virtual port state machine
5784 * VPort State Machine events
5786 enum bfa_fcs_vport_event {
5787 BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
5788 BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
5789 BFA_FCS_VPORT_SM_START = 3, /* vport start request */
5790 BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
5791 BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
5792 BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
5793 BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
5794 BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
5795 BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
5796 BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
5797 BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
5798 BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/
5799 BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
5800 BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
5803 static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5804 enum bfa_fcs_vport_event event);
5805 static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5806 enum bfa_fcs_vport_event event);
5807 static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5808 enum bfa_fcs_vport_event event);
5809 static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
5810 enum bfa_fcs_vport_event event);
5811 static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
5812 enum bfa_fcs_vport_event event);
5813 static void bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
5814 enum bfa_fcs_vport_event event);
5815 static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
5816 enum bfa_fcs_vport_event event);
5817 static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
5818 enum bfa_fcs_vport_event event);
5819 static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
5820 enum bfa_fcs_vport_event event);
5821 static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
5822 enum bfa_fcs_vport_event event);
5823 static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
5824 enum bfa_fcs_vport_event event);
5825 static void bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
5826 enum bfa_fcs_vport_event event);
5827 static void bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
5828 enum bfa_fcs_vport_event event);
5830 static struct bfa_sm_table_s vport_sm_table[] = {
5831 {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
5832 {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
5833 {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
5834 {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
5835 {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
5836 {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
5837 {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
5838 {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
5839 {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
5840 {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
5841 {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
5848 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5849 enum bfa_fcs_vport_event event)
5851 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5852 bfa_trc(__vport_fcs(vport), event);
5855 case BFA_FCS_VPORT_SM_CREATE:
5856 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
5857 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
5861 bfa_sm_fault(__vport_fcs(vport), event);
5866 * Created state - a start event is required to start up the state machine.
5869 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5870 enum bfa_fcs_vport_event event)
5872 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5873 bfa_trc(__vport_fcs(vport), event);
5876 case BFA_FCS_VPORT_SM_START:
5877 if (bfa_sm_cmp_state(__vport_fabric(vport),
5878 bfa_fcs_fabric_sm_online)
5879 && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
5880 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5881 bfa_fcs_vport_do_fdisc(vport);
5884 * Fabric is offline or not NPIV capable, stay in
5887 vport->vport_stats.fab_no_npiv++;
5888 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5892 case BFA_FCS_VPORT_SM_DELETE:
5893 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5894 bfa_fcs_lport_delete(&vport->lport);
5897 case BFA_FCS_VPORT_SM_ONLINE:
5898 case BFA_FCS_VPORT_SM_OFFLINE:
5900 * Ignore ONLINE/OFFLINE events from fabric
5901 * till vport is started.
5906 bfa_sm_fault(__vport_fcs(vport), event);
5911 * Offline state - awaiting ONLINE event from fabric SM.
5914 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5915 enum bfa_fcs_vport_event event)
5917 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5918 bfa_trc(__vport_fcs(vport), event);
5921 case BFA_FCS_VPORT_SM_DELETE:
5922 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5923 bfa_fcs_lport_delete(&vport->lport);
5926 case BFA_FCS_VPORT_SM_ONLINE:
5927 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5928 vport->fdisc_retries = 0;
5929 bfa_fcs_vport_do_fdisc(vport);
5932 case BFA_FCS_VPORT_SM_STOP:
5933 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5934 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
5937 case BFA_FCS_VPORT_SM_OFFLINE:
5939 * This can happen if the vport couldn't be initialzied
5940 * due the fact that the npiv was not enabled on the switch.
5941 * In that case we will put the vport in offline state.
5942 * However, the link can go down and cause the this event to
5943 * be sent when we are already offline. Ignore it.
5948 bfa_sm_fault(__vport_fcs(vport), event);
5954 * FDISC is sent and awaiting reply from fabric.
5957 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
5958 enum bfa_fcs_vport_event event)
5960 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5961 bfa_trc(__vport_fcs(vport), event);
5964 case BFA_FCS_VPORT_SM_DELETE:
5965 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
5968 case BFA_FCS_VPORT_SM_OFFLINE:
5969 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5970 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
5973 case BFA_FCS_VPORT_SM_RSP_OK:
5974 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
5975 bfa_fcs_lport_online(&vport->lport);
5978 case BFA_FCS_VPORT_SM_RSP_ERROR:
5979 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
5980 bfa_timer_start(__vport_bfa(vport), &vport->timer,
5981 bfa_fcs_vport_timeout, vport,
5982 BFA_FCS_RETRY_TIMEOUT);
5985 case BFA_FCS_VPORT_SM_RSP_FAILED:
5986 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5989 case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
5990 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
5994 bfa_sm_fault(__vport_fcs(vport), event);
5999 * FDISC attempt failed - a timer is active to retry FDISC.
6002 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6003 enum bfa_fcs_vport_event event)
6005 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6006 bfa_trc(__vport_fcs(vport), event);
6009 case BFA_FCS_VPORT_SM_DELETE:
6010 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6011 bfa_timer_stop(&vport->timer);
6012 bfa_fcs_lport_delete(&vport->lport);
6015 case BFA_FCS_VPORT_SM_OFFLINE:
6016 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6017 bfa_timer_stop(&vport->timer);
6020 case BFA_FCS_VPORT_SM_TIMEOUT:
6021 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6022 vport->vport_stats.fdisc_retries++;
6023 vport->fdisc_retries++;
6024 bfa_fcs_vport_do_fdisc(vport);
6028 bfa_sm_fault(__vport_fcs(vport), event);
6033 * FDISC is in progress and we got a vport delete request -
6034 * this is a wait state while we wait for fdisc response and
6035 * we will transition to the appropriate state - on rsp status.
6038 bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6039 enum bfa_fcs_vport_event event)
6041 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6042 bfa_trc(__vport_fcs(vport), event);
6045 case BFA_FCS_VPORT_SM_RSP_OK:
6046 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6047 bfa_fcs_lport_delete(&vport->lport);
6050 case BFA_FCS_VPORT_SM_DELETE:
6053 case BFA_FCS_VPORT_SM_OFFLINE:
6054 case BFA_FCS_VPORT_SM_RSP_ERROR:
6055 case BFA_FCS_VPORT_SM_RSP_FAILED:
6056 case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6057 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6058 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6059 bfa_fcs_lport_delete(&vport->lport);
6063 bfa_sm_fault(__vport_fcs(vport), event);
6068 * Vport is online (FDISC is complete).
6071 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6072 enum bfa_fcs_vport_event event)
6074 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6075 bfa_trc(__vport_fcs(vport), event);
6078 case BFA_FCS_VPORT_SM_DELETE:
6079 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6080 bfa_fcs_lport_delete(&vport->lport);
6083 case BFA_FCS_VPORT_SM_STOP:
6084 bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
6085 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6088 case BFA_FCS_VPORT_SM_OFFLINE:
6089 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6090 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6091 bfa_fcs_lport_offline(&vport->lport);
6095 bfa_sm_fault(__vport_fcs(vport), event);
6100 * Vport is being stopped - awaiting lport stop completion to send
6104 bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6105 enum bfa_fcs_vport_event event)
6107 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6108 bfa_trc(__vport_fcs(vport), event);
6111 case BFA_FCS_VPORT_SM_STOPCOMP:
6112 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
6113 bfa_fcs_vport_do_logo(vport);
6116 case BFA_FCS_VPORT_SM_OFFLINE:
6117 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6121 bfa_sm_fault(__vport_fcs(vport), event);
6126 * Vport is being deleted - awaiting lport delete completion to send
6130 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6131 enum bfa_fcs_vport_event event)
6133 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6134 bfa_trc(__vport_fcs(vport), event);
6137 case BFA_FCS_VPORT_SM_DELETE:
6140 case BFA_FCS_VPORT_SM_DELCOMP:
6141 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
6142 bfa_fcs_vport_do_logo(vport);
6145 case BFA_FCS_VPORT_SM_OFFLINE:
6146 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6150 bfa_sm_fault(__vport_fcs(vport), event);
6156 * This state will be set when the Vport Creation fails due
6157 * to errors like Dup WWN. In this state only operation allowed
6158 * is a Vport Delete.
6161 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6162 enum bfa_fcs_vport_event event)
6164 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6165 bfa_trc(__vport_fcs(vport), event);
6168 case BFA_FCS_VPORT_SM_DELETE:
6169 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6170 bfa_fcs_lport_delete(&vport->lport);
6174 bfa_trc(__vport_fcs(vport), event);
6179 * Lport cleanup is in progress since vport is being deleted. Fabric is
6180 * offline, so no LOGO is needed to complete vport deletion.
6183 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6184 enum bfa_fcs_vport_event event)
6186 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6187 bfa_trc(__vport_fcs(vport), event);
6190 case BFA_FCS_VPORT_SM_DELCOMP:
6191 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6192 bfa_fcs_vport_free(vport);
6195 case BFA_FCS_VPORT_SM_STOPCOMP:
6196 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6199 case BFA_FCS_VPORT_SM_DELETE:
6203 bfa_sm_fault(__vport_fcs(vport), event);
6208 * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
6212 bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6213 enum bfa_fcs_vport_event event)
6215 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6216 bfa_trc(__vport_fcs(vport), event);
6219 case BFA_FCS_VPORT_SM_OFFLINE:
6220 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6222 * !!! fall through !!!
6225 case BFA_FCS_VPORT_SM_RSP_OK:
6226 case BFA_FCS_VPORT_SM_RSP_ERROR:
6227 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6231 bfa_sm_fault(__vport_fcs(vport), event);
6236 * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
6240 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6241 enum bfa_fcs_vport_event event)
6243 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6244 bfa_trc(__vport_fcs(vport), event);
6247 case BFA_FCS_VPORT_SM_OFFLINE:
6248 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6250 * !!! fall through !!!
6253 case BFA_FCS_VPORT_SM_RSP_OK:
6254 case BFA_FCS_VPORT_SM_RSP_ERROR:
6255 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6256 bfa_fcs_vport_free(vport);
6259 case BFA_FCS_VPORT_SM_DELETE:
6263 bfa_sm_fault(__vport_fcs(vport), event);
6270 * fcs_vport_private FCS virtual port private functions
6273 * Send AEN notification
6276 bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
6277 enum bfa_lport_aen_event event)
6279 struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
6280 struct bfa_aen_entry_s *aen_entry;
6282 bfad_get_aen_entry(bfad, aen_entry);
6286 aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
6287 aen_entry->aen_data.lport.roles = port->port_cfg.roles;
6288 aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
6289 bfa_fcs_get_base_port(port->fcs));
6290 aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
6292 /* Send the AEN notification */
6293 bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
6294 BFA_AEN_CAT_LPORT, event);
6298 * This routine will be called to send a FDISC command.
6301 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
6303 bfa_lps_fdisc(vport->lps, vport,
6304 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
6305 __vport_pwwn(vport), __vport_nwwn(vport));
6306 vport->vport_stats.fdisc_sent++;
6310 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
6312 u8 lsrjt_rsn = vport->lps->lsrjt_rsn;
6313 u8 lsrjt_expl = vport->lps->lsrjt_expl;
6315 bfa_trc(__vport_fcs(vport), lsrjt_rsn);
6316 bfa_trc(__vport_fcs(vport), lsrjt_expl);
6318 /* For certain reason codes, we don't want to retry. */
6319 switch (vport->lps->lsrjt_expl) {
6320 case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
6321 case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
6322 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6323 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6325 bfa_fcs_vport_aen_post(&vport->lport,
6326 BFA_LPORT_AEN_NPIV_DUP_WWN);
6327 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
6331 case FC_LS_RJT_EXP_INSUFF_RES:
6333 * This means max logins per port/switch setting on the
6334 * switch was exceeded.
6336 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6337 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6339 bfa_fcs_vport_aen_post(&vport->lport,
6340 BFA_LPORT_AEN_NPIV_FABRIC_MAX);
6341 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6346 if (vport->fdisc_retries == 0)
6347 bfa_fcs_vport_aen_post(&vport->lport,
6348 BFA_LPORT_AEN_NPIV_UNKNOWN);
6349 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6354 * Called to send a logout to the fabric. Used when a V-Port is
6358 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
6360 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6362 vport->vport_stats.logo_sent++;
6363 bfa_lps_fdisclogo(vport->lps);
6368 * This routine will be called by bfa_timer on timer timeouts.
6370 * param[in] vport - pointer to bfa_fcs_vport_t.
6371 * param[out] vport_status - pointer to return vport status in
6376 * Special Considerations:
6381 bfa_fcs_vport_timeout(void *vport_arg)
6383 struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
6385 vport->vport_stats.fdisc_timeouts++;
6386 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
6390 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
6392 struct bfad_vport_s *vport_drv =
6393 (struct bfad_vport_s *)vport->vport_drv;
6395 bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
6396 bfa_lps_delete(vport->lps);
6398 if (vport_drv->comp_del) {
6399 complete(vport_drv->comp_del);
6404 * We queue the vport delete work to the IM work_q from here.
6405 * The memory for the bfad_vport_s is freed from the FC function
6406 * template vport_delete entry point.
6408 bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
6412 * fcs_vport_public FCS virtual port public interfaces
6416 * Online notification from fabric SM.
6419 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
6421 vport->vport_stats.fab_online++;
6422 if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
6423 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6425 vport->vport_stats.fab_no_npiv++;
6429 * Offline notification from fabric SM.
6432 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
6434 vport->vport_stats.fab_offline++;
6435 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6439 * Cleanup notification from fabric SM on link timer expiry.
6442 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
6444 vport->vport_stats.fab_cleanup++;
6448 * Stop notification from fabric SM. To be invoked from within FCS.
6451 bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
6453 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6457 * delete notification from fabric SM. To be invoked from within FCS.
6460 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
6462 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6466 * Stop completion callback from associated lport
6469 bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
6471 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
6475 * Delete completion callback from associated lport
6478 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
6480 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
6486 * fcs_vport_api Virtual port API
6490 * Use this function to instantiate a new FCS vport object. This
6491 * function will not trigger any HW initialization process (which will be
6492 * done in vport_start() call)
6494 * param[in] vport - pointer to bfa_fcs_vport_t. This space
6495 * needs to be allocated by the driver.
6496 * param[in] fcs - FCS instance
6497 * param[in] vport_cfg - vport configuration
6498 * param[in] vf_id - VF_ID if vport is created within a VF.
6499 * FC_VF_ID_NULL to specify base fabric.
6500 * param[in] vport_drv - Opaque handle back to the driver's vport
6503 * retval BFA_STATUS_OK - on success.
6504 * retval BFA_STATUS_FAILED - on failure.
6507 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6508 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6509 struct bfad_vport_s *vport_drv)
6511 if (vport_cfg->pwwn == 0)
6512 return BFA_STATUS_INVALID_WWN;
6514 if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
6515 return BFA_STATUS_VPORT_WWN_BP;
6517 if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
6518 return BFA_STATUS_VPORT_EXISTS;
6520 if (fcs->fabric.num_vports ==
6521 bfa_lps_get_max_vport(fcs->bfa))
6522 return BFA_STATUS_VPORT_MAX;
6524 vport->lps = bfa_lps_alloc(fcs->bfa);
6526 return BFA_STATUS_VPORT_MAX;
6528 vport->vport_drv = vport_drv;
6529 vport_cfg->preboot_vp = BFA_FALSE;
6531 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6532 bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
6533 bfa_fcs_lport_init(&vport->lport, vport_cfg);
6534 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
6536 return BFA_STATUS_OK;
6540 * Use this function to instantiate a new FCS PBC vport object. This
6541 * function will not trigger any HW initialization process (which will be
6542 * done in vport_start() call)
6544 * param[in] vport - pointer to bfa_fcs_vport_t. This space
6545 * needs to be allocated by the driver.
6546 * param[in] fcs - FCS instance
6547 * param[in] vport_cfg - vport configuration
6548 * param[in] vf_id - VF_ID if vport is created within a VF.
6549 * FC_VF_ID_NULL to specify base fabric.
6550 * param[in] vport_drv - Opaque handle back to the driver's vport
6553 * retval BFA_STATUS_OK - on success.
6554 * retval BFA_STATUS_FAILED - on failure.
6557 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6558 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6559 struct bfad_vport_s *vport_drv)
6563 rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
6564 vport->lport.port_cfg.preboot_vp = BFA_TRUE;
6570 * Use this function to findout if this is a pbc vport or not.
6572 * @param[in] vport - pointer to bfa_fcs_vport_t.
6577 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
6580 if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
6588 * Use this function initialize the vport.
6590 * @param[in] vport - pointer to bfa_fcs_vport_t.
6595 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
6597 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
6599 return BFA_STATUS_OK;
6603 * Use this function quiese the vport object. This function will return
6604 * immediately, when the vport is actually stopped, the
6605 * bfa_drv_vport_stop_cb() will be called.
6607 * param[in] vport - pointer to bfa_fcs_vport_t.
6612 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
6614 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6616 return BFA_STATUS_OK;
6620 * Use this function to delete a vport object. Fabric object should
6621 * be stopped before this function call.
6623 * !!!!!!! Donot invoke this from within FCS !!!!!!!
6625 * param[in] vport - pointer to bfa_fcs_vport_t.
6630 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
6633 if (vport->lport.port_cfg.preboot_vp)
6634 return BFA_STATUS_PBC;
6636 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6638 return BFA_STATUS_OK;
6642 * Use this function to get vport's current status info.
6644 * param[in] vport pointer to bfa_fcs_vport_t.
6645 * param[out] attr pointer to return vport attributes
6650 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
6651 struct bfa_vport_attr_s *attr)
6653 if (vport == NULL || attr == NULL)
6656 memset(attr, 0, sizeof(struct bfa_vport_attr_s));
6658 bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
6659 attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
6664 * Lookup a virtual port. Excludes base port from lookup.
6666 struct bfa_fcs_vport_s *
6667 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
6669 struct bfa_fcs_vport_s *vport;
6670 struct bfa_fcs_fabric_s *fabric;
6672 bfa_trc(fcs, vf_id);
6673 bfa_trc(fcs, vpwwn);
6675 fabric = bfa_fcs_vf_lookup(fcs, vf_id);
6677 bfa_trc(fcs, vf_id);
6681 vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
6689 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
6691 struct bfa_fcs_vport_s *vport = uarg;
6693 bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6694 bfa_trc(__vport_fcs(vport), status);
6699 * Initialize the V-Port fields
6701 __vport_fcid(vport) = vport->lps->lp_pid;
6702 vport->vport_stats.fdisc_accepts++;
6703 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6706 case BFA_STATUS_INVALID_MAC:
6708 vport->vport_stats.fdisc_acc_bad++;
6709 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6713 case BFA_STATUS_EPROTOCOL:
6714 switch (vport->lps->ext_status) {
6715 case BFA_EPROTO_BAD_ACCEPT:
6716 vport->vport_stats.fdisc_acc_bad++;
6719 case BFA_EPROTO_UNKNOWN_RSP:
6720 vport->vport_stats.fdisc_unknown_rsp++;
6727 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6730 case BFA_STATUS_FABRIC_RJT:
6731 vport->vport_stats.fdisc_rejects++;
6732 bfa_fcs_vport_fdisc_rejected(vport);
6736 vport->vport_stats.fdisc_rsp_err++;
6737 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6745 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
6747 struct bfa_fcs_vport_s *vport = uarg;
6748 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6752 * Received clear virtual link
6755 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
6757 struct bfa_fcs_vport_s *vport = uarg;
6759 /* Send an Offline followed by an ONLINE */
6760 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6761 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);