Lines Matching refs:rdata
107 struct fc_rport_priv *rdata = NULL, *tmp_rdata;
113 rdata = tmp_rdata;
117 return rdata;
130 struct fc_rport_priv *rdata;
131 size_t rport_priv_size = sizeof(*rdata);
135 rdata = fc_rport_lookup(lport, port_id);
136 if (rdata) {
137 kref_put(&rdata->kref, fc_rport_destroy);
138 return rdata;
143 rdata = kzalloc(rport_priv_size, GFP_KERNEL);
144 if (!rdata)
147 rdata->ids.node_name = -1;
148 rdata->ids.port_name = -1;
149 rdata->ids.port_id = port_id;
150 rdata->ids.roles = FC_RPORT_ROLE_UNKNOWN;
152 kref_init(&rdata->kref);
153 mutex_init(&rdata->rp_mutex);
154 rdata->local_port = lport;
155 rdata->rp_state = RPORT_ST_INIT;
156 rdata->event = RPORT_EV_NONE;
157 rdata->flags = FC_RP_FLAGS_REC_SUPPORTED;
158 rdata->e_d_tov = lport->e_d_tov;
159 rdata->r_a_tov = lport->r_a_tov;
160 rdata->maxframe_size = FC_MIN_MAX_PAYLOAD;
161 INIT_DELAYED_WORK(&rdata->retry_work, fc_rport_timeout);
162 INIT_WORK(&rdata->event_work, fc_rport_work);
164 rdata->lld_event_callback = lport->tt.rport_event_callback;
165 list_add_rcu(&rdata->peers, &lport->disc.rports);
167 return rdata;
177 struct fc_rport_priv *rdata;
179 rdata = container_of(kref, struct fc_rport_priv, kref);
180 kfree_rcu(rdata, rcu);
186 * @rdata: The remote port
188 static const char *fc_rport_state(struct fc_rport_priv *rdata)
192 cp = fc_rport_state_names[rdata->rp_state];
239 * @rdata: The remote port whose state should change
242 static void fc_rport_state_enter(struct fc_rport_priv *rdata,
245 lockdep_assert_held(&rdata->rp_mutex);
247 if (rdata->rp_state != new)
248 rdata->retries = 0;
249 rdata->rp_state = new;
261 struct fc_rport_priv *rdata =
265 struct fc_lport *lport = rdata->local_port;
272 mutex_lock(&rdata->rp_mutex);
273 event = rdata->event;
274 rport_ops = rdata->ops;
275 rport = rdata->rport;
277 FC_RPORT_DBG(rdata, "work event %u\n", event);
281 ids = rdata->ids;
282 rdata->event = RPORT_EV_NONE;
283 rdata->major_retries = 0;
284 kref_get(&rdata->kref);
285 mutex_unlock(&rdata->rp_mutex);
288 FC_RPORT_DBG(rdata, "No rport!\n");
292 FC_RPORT_DBG(rdata, "Failed to add the rport\n");
293 fc_rport_logoff(rdata);
294 kref_put(&rdata->kref, fc_rport_destroy);
297 mutex_lock(&rdata->rp_mutex);
298 if (rdata->rport)
299 FC_RPORT_DBG(rdata, "rport already allocated\n");
300 rdata->rport = rport;
301 rport->maxframe_size = rdata->maxframe_size;
302 rport->supported_classes = rdata->supported_classes;
306 rpriv->rp_state = rdata->rp_state;
307 rpriv->flags = rdata->flags;
308 rpriv->e_d_tov = rdata->e_d_tov;
309 rpriv->r_a_tov = rdata->r_a_tov;
310 mutex_unlock(&rdata->rp_mutex);
313 FC_RPORT_DBG(rdata, "callback ev %d\n", event);
314 rport_ops->event_callback(lport, rdata, event);
316 if (rdata->lld_event_callback) {
317 FC_RPORT_DBG(rdata, "lld callback ev %d\n", event);
318 rdata->lld_event_callback(lport, rdata, event);
320 kref_put(&rdata->kref, fc_rport_destroy);
326 if (rdata->prli_count) {
331 prov->prlo(rdata);
335 port_id = rdata->ids.port_id;
336 mutex_unlock(&rdata->rp_mutex);
339 FC_RPORT_DBG(rdata, "callback ev %d\n", event);
340 rport_ops->event_callback(lport, rdata, event);
342 if (rdata->lld_event_callback) {
343 FC_RPORT_DBG(rdata, "lld callback ev %d\n", event);
344 rdata->lld_event_callback(lport, rdata, event);
346 if (cancel_delayed_work_sync(&rdata->retry_work))
347 kref_put(&rdata->kref, fc_rport_destroy);
358 mutex_lock(&rdata->rp_mutex);
359 rdata->rport = NULL;
360 mutex_unlock(&rdata->rp_mutex);
364 mutex_lock(&rdata->rp_mutex);
365 if (rdata->rp_state == RPORT_ST_DELETE) {
367 rdata->event = RPORT_EV_NONE;
368 mutex_unlock(&rdata->rp_mutex);
369 kref_put(&rdata->kref, fc_rport_destroy);
370 } else if ((rdata->flags & FC_RP_STARTED) &&
371 rdata->major_retries <
373 rdata->major_retries++;
374 rdata->event = RPORT_EV_NONE;
375 FC_RPORT_DBG(rdata, "work restart\n");
376 fc_rport_enter_flogi(rdata);
377 mutex_unlock(&rdata->rp_mutex);
379 mutex_unlock(&rdata->rp_mutex);
380 FC_RPORT_DBG(rdata, "work delete\n");
382 list_del_rcu(&rdata->peers);
384 kref_put(&rdata->kref, fc_rport_destroy);
390 rdata->event = RPORT_EV_NONE;
391 if (rdata->rp_state == RPORT_ST_READY) {
392 FC_RPORT_DBG(rdata, "work reopen\n");
393 fc_rport_enter_ready(rdata);
395 mutex_unlock(&rdata->rp_mutex);
400 mutex_unlock(&rdata->rp_mutex);
403 kref_put(&rdata->kref, fc_rport_destroy);
408 * @rdata: The remote port to be logged in to
426 int fc_rport_login(struct fc_rport_priv *rdata)
428 mutex_lock(&rdata->rp_mutex);
430 if (rdata->flags & FC_RP_STARTED) {
431 FC_RPORT_DBG(rdata, "port already started\n");
432 mutex_unlock(&rdata->rp_mutex);
436 rdata->flags |= FC_RP_STARTED;
437 switch (rdata->rp_state) {
439 FC_RPORT_DBG(rdata, "ADISC port\n");
440 fc_rport_enter_adisc(rdata);
443 FC_RPORT_DBG(rdata, "Restart deleted port\n");
446 FC_RPORT_DBG(rdata, "Login to port\n");
447 fc_rport_enter_flogi(rdata);
450 FC_RPORT_DBG(rdata, "Login in progress, state %s\n",
451 fc_rport_state(rdata));
454 mutex_unlock(&rdata->rp_mutex);
462 * @rdata: The remote port to be deleted
474 static void fc_rport_enter_delete(struct fc_rport_priv *rdata,
477 lockdep_assert_held(&rdata->rp_mutex);
479 if (rdata->rp_state == RPORT_ST_DELETE)
482 FC_RPORT_DBG(rdata, "Delete port\n");
484 fc_rport_state_enter(rdata, RPORT_ST_DELETE);
486 if (rdata->event == RPORT_EV_NONE) {
487 kref_get(&rdata->kref);
488 if (!queue_work(rport_event_queue, &rdata->event_work))
489 kref_put(&rdata->kref, fc_rport_destroy);
492 rdata->event = event;
497 * @rdata: The remote port to be logged off of
503 int fc_rport_logoff(struct fc_rport_priv *rdata)
505 struct fc_lport *lport = rdata->local_port;
506 u32 port_id = rdata->ids.port_id;
508 mutex_lock(&rdata->rp_mutex);
510 FC_RPORT_DBG(rdata, "Remove port\n");
512 rdata->flags &= ~FC_RP_STARTED;
513 if (rdata->rp_state == RPORT_ST_DELETE) {
514 FC_RPORT_DBG(rdata, "Port in Delete state, not removing\n");
526 fc_rport_enter_logo(rdata);
532 fc_rport_enter_delete(rdata, RPORT_EV_STOP);
534 mutex_unlock(&rdata->rp_mutex);
541 * @rdata: The remote port that is ready
545 static void fc_rport_enter_ready(struct fc_rport_priv *rdata)
547 lockdep_assert_held(&rdata->rp_mutex);
549 fc_rport_state_enter(rdata, RPORT_ST_READY);
551 FC_RPORT_DBG(rdata, "Port is Ready\n");
553 kref_get(&rdata->kref);
554 if (rdata->event == RPORT_EV_NONE &&
555 !queue_work(rport_event_queue, &rdata->event_work))
556 kref_put(&rdata->kref, fc_rport_destroy);
558 rdata->event = RPORT_EV_READY;
573 struct fc_rport_priv *rdata =
576 mutex_lock(&rdata->rp_mutex);
577 FC_RPORT_DBG(rdata, "Port timeout, state %s\n", fc_rport_state(rdata));
579 switch (rdata->rp_state) {
581 fc_rport_enter_flogi(rdata);
584 fc_rport_enter_plogi(rdata);
587 fc_rport_enter_prli(rdata);
590 fc_rport_enter_rtv(rdata);
593 fc_rport_enter_adisc(rdata);
602 mutex_unlock(&rdata->rp_mutex);
603 kref_put(&rdata->kref, fc_rport_destroy);
608 * @rdata: The remote port the error is happened on
613 static void fc_rport_error(struct fc_rport_priv *rdata, int err)
615 struct fc_lport *lport = rdata->local_port;
617 lockdep_assert_held(&rdata->rp_mutex);
619 FC_RPORT_DBG(rdata, "Error %d in state %s, retries %d\n",
620 -err, fc_rport_state(rdata), rdata->retries);
622 switch (rdata->rp_state) {
624 rdata->flags &= ~FC_RP_STARTED;
625 fc_rport_enter_delete(rdata, RPORT_EV_FAILED);
629 rdata->flags &= ~FC_RP_STARTED;
630 fc_rport_enter_delete(rdata, RPORT_EV_FAILED);
632 fc_rport_enter_logo(rdata);
635 fc_rport_enter_ready(rdata);
638 fc_rport_enter_plogi(rdata);
641 fc_rport_enter_logo(rdata);
653 * @rdata: The remote port whose state is to be retried
661 static void fc_rport_error_retry(struct fc_rport_priv *rdata, int err)
663 unsigned long delay = msecs_to_jiffies(rdata->e_d_tov);
665 lockdep_assert_held(&rdata->rp_mutex);
671 if (rdata->retries < rdata->local_port->max_rport_retry_count) {
672 FC_RPORT_DBG(rdata, "Error %d in state %s, retrying\n",
673 err, fc_rport_state(rdata));
674 rdata->retries++;
678 kref_get(&rdata->kref);
679 if (!schedule_delayed_work(&rdata->retry_work, delay))
680 kref_put(&rdata->kref, fc_rport_destroy);
685 fc_rport_error(rdata, err);
690 * @rdata: The remote port which we logged into or which logged into us.
698 static int fc_rport_login_complete(struct fc_rport_priv *rdata,
701 struct fc_lport *lport = rdata->local_port;
714 FC_RPORT_DBG(rdata, "Fabric bit set in FLOGI\n");
725 if (e_d_tov > rdata->e_d_tov)
726 rdata->e_d_tov = e_d_tov;
728 rdata->maxframe_size = fc_plogi_get_maxframe(flogi, lport->mfs);
741 struct fc_rport_priv *rdata = rp_arg;
742 struct fc_lport *lport = rdata->local_port;
748 FC_RPORT_DBG(rdata, "Received a FLOGI %s\n",
754 mutex_lock(&rdata->rp_mutex);
756 if (rdata->rp_state != RPORT_ST_FLOGI) {
757 FC_RPORT_DBG(rdata, "Received a FLOGI response, but in state "
758 "%s\n", fc_rport_state(rdata));
765 fc_rport_error(rdata, PTR_ERR(fp));
773 FC_RPORT_DBG(rdata, "FLOGI ELS rejected, reason %x expl %x\n",
778 FC_RPORT_DBG(rdata, "FLOGI ELS invalid opcode %x\n", opcode);
782 if (fc_rport_login_complete(rdata, fp)) {
783 FC_RPORT_DBG(rdata, "FLOGI failed, no login\n");
794 if (r_a_tov > rdata->r_a_tov)
795 rdata->r_a_tov = r_a_tov;
797 if (rdata->ids.port_name < lport->wwpn)
798 fc_rport_enter_plogi(rdata);
800 fc_rport_state_enter(rdata, RPORT_ST_PLOGI_WAIT);
804 mutex_unlock(&rdata->rp_mutex);
806 kref_put(&rdata->kref, fc_rport_destroy);
809 FC_RPORT_DBG(rdata, "Bad FLOGI response\n");
810 fc_rport_error_retry(rdata, err);
816 * @rdata: The remote port to send a FLOGI to
820 static void fc_rport_enter_flogi(struct fc_rport_priv *rdata)
822 struct fc_lport *lport = rdata->local_port;
825 lockdep_assert_held(&rdata->rp_mutex);
828 return fc_rport_enter_plogi(rdata);
830 FC_RPORT_DBG(rdata, "Entered FLOGI state from %s state\n",
831 fc_rport_state(rdata));
833 fc_rport_state_enter(rdata, RPORT_ST_FLOGI);
837 return fc_rport_error_retry(rdata, -FC_EX_ALLOC_ERR);
839 kref_get(&rdata->kref);
840 if (!lport->tt.elsct_send(lport, rdata->ids.port_id, fp, ELS_FLOGI,
841 fc_rport_flogi_resp, rdata,
843 fc_rport_error_retry(rdata, -FC_EX_XMIT_ERR);
844 kref_put(&rdata->kref, fc_rport_destroy);
859 struct fc_rport_priv *rdata;
881 rdata = fc_rport_lookup(lport, sid);
882 if (!rdata) {
887 mutex_lock(&rdata->rp_mutex);
889 FC_RPORT_DBG(rdata, "Received FLOGI in %s state\n",
890 fc_rport_state(rdata));
892 switch (rdata->rp_state) {
908 mutex_unlock(&rdata->rp_mutex);
924 fc_rport_enter_delete(rdata, RPORT_EV_LOGO);
925 mutex_unlock(&rdata->rp_mutex);
930 if (fc_rport_login_complete(rdata, fp)) {
931 mutex_unlock(&rdata->rp_mutex);
953 if (rdata->rp_state != RPORT_ST_FLOGI) {
954 if (rdata->ids.port_name < lport->wwpn)
955 fc_rport_enter_plogi(rdata);
957 fc_rport_state_enter(rdata, RPORT_ST_PLOGI_WAIT);
960 mutex_unlock(&rdata->rp_mutex);
961 kref_put(&rdata->kref, fc_rport_destroy);
966 kref_put(&rdata->kref, fc_rport_destroy);
985 struct fc_rport_priv *rdata = rdata_arg;
986 struct fc_lport *lport = rdata->local_port;
992 FC_RPORT_DBG(rdata, "Received a PLOGI %s\n", fc_els_resp_type(fp));
997 mutex_lock(&rdata->rp_mutex);
999 if (rdata->rp_state != RPORT_ST_PLOGI) {
1000 FC_RPORT_DBG(rdata, "Received a PLOGI response, but in state "
1001 "%s\n", fc_rport_state(rdata));
1008 fc_rport_error_retry(rdata, PTR_ERR(fp));
1015 rdata->ids.port_name = get_unaligned_be64(&plp->fl_wwpn);
1016 rdata->ids.node_name = get_unaligned_be64(&plp->fl_wwnn);
1019 rdata->sp_features = ntohs(plp->fl_csp.sp_features);
1022 fc_rport_login_complete(rdata, fp);
1027 rdata->max_seq = csp_seq;
1028 rdata->maxframe_size = fc_plogi_get_maxframe(plp, lport->mfs);
1029 fc_rport_enter_prli(rdata);
1035 FC_RPORT_DBG(rdata, "PLOGI bad response\n");
1037 FC_RPORT_DBG(rdata, "PLOGI ELS rejected, reason %x expl %x\n",
1039 fc_rport_error_retry(rdata, -FC_EX_ELS_RJT);
1044 mutex_unlock(&rdata->rp_mutex);
1046 kref_put(&rdata->kref, fc_rport_destroy);
1050 fc_rport_compatible_roles(struct fc_lport *lport, struct fc_rport_priv *rdata)
1052 if (rdata->ids.roles == FC_PORT_ROLE_UNKNOWN)
1054 if ((rdata->ids.roles & FC_PORT_ROLE_FCP_TARGET) &&
1057 if ((rdata->ids.roles & FC_PORT_ROLE_FCP_INITIATOR) &&
1065 * @rdata: The remote port to send a PLOGI to
1069 static void fc_rport_enter_plogi(struct fc_rport_priv *rdata)
1071 struct fc_lport *lport = rdata->local_port;
1074 lockdep_assert_held(&rdata->rp_mutex);
1076 if (!fc_rport_compatible_roles(lport, rdata)) {
1077 FC_RPORT_DBG(rdata, "PLOGI suppressed for incompatible role\n");
1078 fc_rport_state_enter(rdata, RPORT_ST_PLOGI_WAIT);
1082 FC_RPORT_DBG(rdata, "Port entered PLOGI state from %s state\n",
1083 fc_rport_state(rdata));
1085 fc_rport_state_enter(rdata, RPORT_ST_PLOGI);
1087 rdata->maxframe_size = FC_MIN_MAX_PAYLOAD;
1090 FC_RPORT_DBG(rdata, "%s frame alloc failed\n", __func__);
1091 fc_rport_error_retry(rdata, -FC_EX_ALLOC_ERR);
1094 rdata->e_d_tov = lport->e_d_tov;
1096 kref_get(&rdata->kref);
1097 if (!lport->tt.elsct_send(lport, rdata->ids.port_id, fp, ELS_PLOGI,
1098 fc_rport_plogi_resp, rdata,
1100 fc_rport_error_retry(rdata, -FC_EX_XMIT_ERR);
1101 kref_put(&rdata->kref, fc_rport_destroy);
1118 struct fc_rport_priv *rdata = rdata_arg;
1131 FC_RPORT_DBG(rdata, "Received a PRLI %s\n", fc_els_resp_type(fp));
1136 mutex_lock(&rdata->rp_mutex);
1138 if (rdata->rp_state != RPORT_ST_PRLI) {
1139 FC_RPORT_DBG(rdata, "Received a PRLI response, but in state "
1140 "%s\n", fc_rport_state(rdata));
1147 fc_rport_error_retry(rdata, PTR_ERR(fp));
1152 rdata->ids.roles = FC_RPORT_ROLE_UNKNOWN;
1158 fc_rport_error_retry(rdata, -FC_EX_SEQ_ERR);
1163 FC_RPORT_DBG(rdata, "PRLI spp_flags = 0x%x spp_type 0x%x\n",
1166 rdata->spp_type = pp->spp.spp_type;
1169 fc_rport_error(rdata, -FC_EX_SEQ_ERR);
1171 fc_rport_error_retry(rdata, -FC_EX_SEQ_ERR);
1175 fc_rport_error_retry(rdata, -FC_EX_SEQ_ERR);
1181 rdata->flags |= FC_RP_FLAGS_RETRY;
1183 rdata->flags |= FC_RP_FLAGS_CONF_REQ;
1188 if (rdata->spp_type < FC_FC4_PROV_SIZE) {
1189 prov = fc_passive_prov[rdata->spp_type];
1192 prov->prli(rdata, pp->prli.prli_spp_len,
1199 if (rdata->spp_type != FC_TYPE_FCP ||
1206 rdata->supported_classes = FC_COS_CLASS3;
1212 rdata->ids.roles = roles;
1213 fc_rport_enter_rtv(rdata);
1218 FC_RPORT_DBG(rdata, "PRLI bad response\n");
1220 FC_RPORT_DBG(rdata, "PRLI ELS rejected, reason %x expl %x\n",
1224 fc_rport_enter_plogi(rdata);
1228 fc_rport_error_retry(rdata, FC_EX_ELS_RJT);
1234 mutex_unlock(&rdata->rp_mutex);
1236 kref_put(&rdata->kref, fc_rport_destroy);
1241 * @rdata: The remote port to send the PRLI request to
1245 static void fc_rport_enter_prli(struct fc_rport_priv *rdata)
1247 struct fc_lport *lport = rdata->local_port;
1255 lockdep_assert_held(&rdata->rp_mutex);
1261 if (rdata->ids.port_id >= FC_FID_DOM_MGR) {
1262 fc_rport_enter_ready(rdata);
1271 fc_rport_enter_ready(rdata);
1275 FC_RPORT_DBG(rdata, "Port entered PRLI state from %s state\n",
1276 fc_rport_state(rdata));
1278 fc_rport_state_enter(rdata, RPORT_ST_PRLI);
1282 fc_rport_error_retry(rdata, -FC_EX_ALLOC_ERR);
1291 prov->prli(rdata, sizeof(pp->spp), NULL, &pp->spp);
1294 fc_fill_fc_hdr(fp, FC_RCTL_ELS_REQ, rdata->ids.port_id,
1298 kref_get(&rdata->kref);
1300 NULL, rdata, 2 * lport->r_a_tov)) {
1301 fc_rport_error_retry(rdata, -FC_EX_XMIT_ERR);
1302 kref_put(&rdata->kref, fc_rport_destroy);
1321 struct fc_rport_priv *rdata = rdata_arg;
1324 FC_RPORT_DBG(rdata, "Received a RTV %s\n", fc_els_resp_type(fp));
1329 mutex_lock(&rdata->rp_mutex);
1331 if (rdata->rp_state != RPORT_ST_RTV) {
1332 FC_RPORT_DBG(rdata, "Received a RTV response, but in state "
1333 "%s\n", fc_rport_state(rdata));
1340 fc_rport_error(rdata, PTR_ERR(fp));
1356 if (tov > rdata->r_a_tov)
1357 rdata->r_a_tov = tov;
1363 if (tov > rdata->e_d_tov)
1364 rdata->e_d_tov = tov;
1368 fc_rport_enter_ready(rdata);
1373 mutex_unlock(&rdata->rp_mutex);
1375 kref_put(&rdata->kref, fc_rport_destroy);
1380 * @rdata: The remote port to send the RTV request to
1384 static void fc_rport_enter_rtv(struct fc_rport_priv *rdata)
1387 struct fc_lport *lport = rdata->local_port;
1389 lockdep_assert_held(&rdata->rp_mutex);
1391 FC_RPORT_DBG(rdata, "Port entered RTV state from %s state\n",
1392 fc_rport_state(rdata));
1394 fc_rport_state_enter(rdata, RPORT_ST_RTV);
1398 fc_rport_error_retry(rdata, -FC_EX_ALLOC_ERR);
1402 kref_get(&rdata->kref);
1403 if (!lport->tt.elsct_send(lport, rdata->ids.port_id, fp, ELS_RTV,
1404 fc_rport_rtv_resp, rdata,
1406 fc_rport_error_retry(rdata, -FC_EX_XMIT_ERR);
1407 kref_put(&rdata->kref, fc_rport_destroy);
1413 * @rdata: The remote port that sent the RTV request
1416 static void fc_rport_recv_rtv_req(struct fc_rport_priv *rdata,
1419 struct fc_lport *lport = rdata->local_port;
1424 lockdep_assert_held(&rdata->rp_mutex);
1427 FC_RPORT_DBG(rdata, "Received RTV request\n");
1456 struct fc_rport_priv *rdata = rdata_arg;
1457 struct fc_lport *lport = rdata->local_port;
1463 kref_put(&rdata->kref, fc_rport_destroy);
1468 * @rdata: The remote port to send the LOGO request to
1472 static void fc_rport_enter_logo(struct fc_rport_priv *rdata)
1474 struct fc_lport *lport = rdata->local_port;
1477 lockdep_assert_held(&rdata->rp_mutex);
1479 FC_RPORT_DBG(rdata, "Port sending LOGO from %s state\n",
1480 fc_rport_state(rdata));
1485 kref_get(&rdata->kref);
1486 if (!lport->tt.elsct_send(lport, rdata->ids.port_id, fp, ELS_LOGO,
1487 fc_rport_logo_resp, rdata, 0))
1488 kref_put(&rdata->kref, fc_rport_destroy);
1504 struct fc_rport_priv *rdata = rdata_arg;
1508 FC_RPORT_DBG(rdata, "Received a ADISC response\n");
1513 mutex_lock(&rdata->rp_mutex);
1515 if (rdata->rp_state != RPORT_ST_ADISC) {
1516 FC_RPORT_DBG(rdata, "Received a ADISC resp but in state %s\n",
1517 fc_rport_state(rdata));
1524 fc_rport_error(rdata, PTR_ERR(fp));
1536 ntoh24(adisc->adisc_port_id) != rdata->ids.port_id ||
1537 get_unaligned_be64(&adisc->adisc_wwpn) != rdata->ids.port_name ||
1538 get_unaligned_be64(&adisc->adisc_wwnn) != rdata->ids.node_name) {
1539 FC_RPORT_DBG(rdata, "ADISC error or mismatch\n");
1540 fc_rport_enter_flogi(rdata);
1542 FC_RPORT_DBG(rdata, "ADISC OK\n");
1543 fc_rport_enter_ready(rdata);
1548 mutex_unlock(&rdata->rp_mutex);
1550 kref_put(&rdata->kref, fc_rport_destroy);
1555 * @rdata: The remote port to send the ADISC request to
1559 static void fc_rport_enter_adisc(struct fc_rport_priv *rdata)
1561 struct fc_lport *lport = rdata->local_port;
1564 lockdep_assert_held(&rdata->rp_mutex);
1566 FC_RPORT_DBG(rdata, "sending ADISC from %s state\n",
1567 fc_rport_state(rdata));
1569 fc_rport_state_enter(rdata, RPORT_ST_ADISC);
1573 fc_rport_error_retry(rdata, -FC_EX_ALLOC_ERR);
1576 kref_get(&rdata->kref);
1577 if (!lport->tt.elsct_send(lport, rdata->ids.port_id, fp, ELS_ADISC,
1578 fc_rport_adisc_resp, rdata,
1580 fc_rport_error_retry(rdata, -FC_EX_XMIT_ERR);
1581 kref_put(&rdata->kref, fc_rport_destroy);
1587 * @rdata: The remote port that sent the ADISC request
1590 static void fc_rport_recv_adisc_req(struct fc_rport_priv *rdata,
1593 struct fc_lport *lport = rdata->local_port;
1598 lockdep_assert_held(&rdata->rp_mutex);
1601 FC_RPORT_DBG(rdata, "Received ADISC request\n");
1625 * @rdata: The remote port that sent the RLS request
1628 static void fc_rport_recv_rls_req(struct fc_rport_priv *rdata,
1632 struct fc_lport *lport = rdata->local_port;
1640 lockdep_assert_held(&rdata->rp_mutex);
1642 FC_RPORT_DBG(rdata, "Received RLS request while in state %s\n",
1643 fc_rport_state(rdata));
1699 struct fc_rport_priv *rdata;
1704 rdata = fc_rport_lookup(lport, fc_frame_sid(fp));
1705 if (!rdata) {
1712 mutex_lock(&rdata->rp_mutex);
1714 switch (rdata->rp_state) {
1722 FC_RPORT_DBG(rdata, "Reject ELS PRLI "
1724 fc_rport_state(rdata));
1725 mutex_unlock(&rdata->rp_mutex);
1726 kref_put(&rdata->kref, fc_rport_destroy);
1731 FC_RPORT_DBG(rdata,
1733 fc_frame_payload_op(fp), fc_rport_state(rdata));
1734 mutex_unlock(&rdata->rp_mutex);
1735 kref_put(&rdata->kref, fc_rport_destroy);
1741 fc_rport_recv_prli_req(rdata, fp);
1744 fc_rport_recv_prlo_req(rdata, fp);
1747 fc_rport_recv_adisc_req(rdata, fp);
1758 fc_rport_recv_rls_req(rdata, fp);
1761 fc_rport_recv_rtv_req(rdata, fp);
1768 mutex_unlock(&rdata->rp_mutex);
1769 kref_put(&rdata->kref, fc_rport_destroy);
1846 struct fc_rport_priv *rdata;
1868 rdata = fc_rport_create(lport, sid);
1869 if (!rdata) {
1876 mutex_lock(&rdata->rp_mutex);
1879 rdata->ids.port_name = get_unaligned_be64(&pl->fl_wwpn);
1880 rdata->ids.node_name = get_unaligned_be64(&pl->fl_wwnn);
1893 switch (rdata->rp_state) {
1895 FC_RPORT_DBG(rdata, "Received PLOGI in INIT state\n");
1898 FC_RPORT_DBG(rdata, "Received PLOGI in PLOGI_WAIT state\n");
1901 FC_RPORT_DBG(rdata, "Received PLOGI in PLOGI state\n");
1902 if (rdata->ids.port_name < lport->wwpn) {
1903 mutex_unlock(&rdata->rp_mutex);
1913 FC_RPORT_DBG(rdata, "Received PLOGI in logged-in state %d "
1914 "- ignored for now\n", rdata->rp_state);
1919 FC_RPORT_DBG(rdata, "Received PLOGI in state %s - send busy\n",
1920 fc_rport_state(rdata));
1921 mutex_unlock(&rdata->rp_mutex);
1926 if (!fc_rport_compatible_roles(lport, rdata)) {
1927 FC_RPORT_DBG(rdata, "Received PLOGI for incompatible role\n");
1928 mutex_unlock(&rdata->rp_mutex);
1937 rdata->maxframe_size = fc_plogi_get_maxframe(pl, lport->mfs);
1949 fc_rport_enter_prli(rdata);
1951 mutex_unlock(&rdata->rp_mutex);
1962 * @rdata: The remote port that sent the PRLI request
1965 static void fc_rport_recv_prli_req(struct fc_rport_priv *rdata,
1968 struct fc_lport *lport = rdata->local_port;
1982 lockdep_assert_held(&rdata->rp_mutex);
1984 FC_RPORT_DBG(rdata, "Received PRLI request while in state %s\n",
1985 fc_rport_state(rdata));
2024 rdata->spp_type = rspp->spp_type;
2034 active = prov->prli(rdata, plen, rspp, spp);
2037 passive = prov->prli(rdata, plen, rspp, spp);
2042 FC_RPORT_DBG(rdata, "PRLI rspp type %x "
2078 * @rdata: The remote port that sent the PRLO request
2081 static void fc_rport_recv_prlo_req(struct fc_rport_priv *rdata,
2084 struct fc_lport *lport = rdata->local_port;
2096 lockdep_assert_held(&rdata->rp_mutex);
2098 FC_RPORT_DBG(rdata, "Received PRLO request while in state %s\n",
2099 fc_rport_state(rdata));
2131 fc_rport_enter_prli(rdata);
2155 struct fc_rport_priv *rdata;
2164 rdata = fc_rport_lookup(lport, sid);
2165 if (rdata) {
2166 mutex_lock(&rdata->rp_mutex);
2167 FC_RPORT_DBG(rdata, "Received LOGO request while in state %s\n",
2168 fc_rport_state(rdata));
2170 fc_rport_enter_delete(rdata, RPORT_EV_STOP);
2171 mutex_unlock(&rdata->rp_mutex);
2172 kref_put(&rdata->kref, fc_rport_destroy);
2190 * @rdata: remote port private
2198 static int fc_rport_fcp_prli(struct fc_rport_priv *rdata, u32 spp_len,
2202 struct fc_lport *lport = rdata->local_port;
2206 rdata->ids.roles = FC_RPORT_ROLE_UNKNOWN;
2208 rdata->ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2210 rdata->ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2212 rdata->flags |= FC_RP_FLAGS_RETRY;
2213 rdata->supported_classes = FC_COS_CLASS3;
2237 * @rdata: remote port private
2242 static int fc_rport_t0_prli(struct fc_rport_priv *rdata, u32 spp_len,