1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2006 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/pci.h>
24 #include <linux/interrupt.h>
26 #include <scsi/scsi.h>
27 #include <scsi/scsi_device.h>
28 #include <scsi/scsi_host.h>
29 #include <scsi/scsi_transport_fc.h>
33 #include "lpfc_disc.h"
34 #include "lpfc_scsi.h"
36 #include "lpfc_logmsg.h"
37 #include "lpfc_crtn.h"
39 static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *,
41 static int lpfc_max_els_tries = 3;
44 lpfc_els_chk_latt(struct lpfc_hba * phba)
46 struct lpfc_sli *psli;
53 if ((phba->hba_state >= LPFC_HBA_READY) ||
54 (phba->hba_state == LPFC_LINK_DOWN))
57 /* Read the HBA Host Attention Register */
58 spin_lock_irq(phba->host->host_lock);
59 ha_copy = readl(phba->HAregaddr);
60 spin_unlock_irq(phba->host->host_lock);
62 if (!(ha_copy & HA_LATT))
65 /* Pending Link Event during Discovery */
66 lpfc_printf_log(phba, KERN_WARNING, LOG_DISCOVERY,
67 "%d:0237 Pending Link Event during "
68 "Discovery: State x%x\n",
69 phba->brd_no, phba->hba_state);
71 /* CLEAR_LA should re-enable link attention events and
72 * we should then imediately take a LATT event. The
73 * LATT processing should call lpfc_linkdown() which
74 * will cleanup any left over in-progress discovery
77 spin_lock_irq(phba->host->host_lock);
78 phba->fc_flag |= FC_ABORT_DISCOVERY;
79 spin_unlock_irq(phba->host->host_lock);
81 if (phba->hba_state != LPFC_CLEAR_LA) {
82 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
83 phba->hba_state = LPFC_CLEAR_LA;
84 lpfc_clear_la(phba, mbox);
85 mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
86 rc = lpfc_sli_issue_mbox (phba, mbox,
87 (MBX_NOWAIT | MBX_STOP_IOCB));
88 if (rc == MBX_NOT_FINISHED) {
89 mempool_free(mbox, phba->mbox_mem_pool);
90 phba->hba_state = LPFC_HBA_ERROR;
99 static struct lpfc_iocbq *
100 lpfc_prep_els_iocb(struct lpfc_hba * phba,
103 uint8_t retry, struct lpfc_nodelist * ndlp, uint32_t elscmd)
105 struct lpfc_sli_ring *pring;
106 struct lpfc_iocbq *elsiocb;
107 struct lpfc_dmabuf *pcmd, *prsp, *pbuflist;
108 struct ulp_bde64 *bpl;
111 pring = &phba->sli.ring[LPFC_ELS_RING];
113 if (phba->hba_state < LPFC_LINK_UP)
116 /* Allocate buffer for command iocb */
117 spin_lock_irq(phba->host->host_lock);
118 elsiocb = lpfc_sli_get_iocbq(phba);
119 spin_unlock_irq(phba->host->host_lock);
123 icmd = &elsiocb->iocb;
125 /* fill in BDEs for command */
126 /* Allocate buffer for command payload */
127 if (((pcmd = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
128 ((pcmd->virt = lpfc_mbuf_alloc(phba,
129 MEM_PRI, &(pcmd->phys))) == 0)) {
132 spin_lock_irq(phba->host->host_lock);
133 lpfc_sli_release_iocbq(phba, elsiocb);
134 spin_unlock_irq(phba->host->host_lock);
138 INIT_LIST_HEAD(&pcmd->list);
140 /* Allocate buffer for response payload */
142 prsp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
144 prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
146 if (prsp == 0 || prsp->virt == 0) {
148 lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
150 spin_lock_irq(phba->host->host_lock);
151 lpfc_sli_release_iocbq(phba, elsiocb);
152 spin_unlock_irq(phba->host->host_lock);
155 INIT_LIST_HEAD(&prsp->list);
160 /* Allocate buffer for Buffer ptr list */
161 pbuflist = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
163 pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
165 if (pbuflist == 0 || pbuflist->virt == 0) {
166 spin_lock_irq(phba->host->host_lock);
167 lpfc_sli_release_iocbq(phba, elsiocb);
168 spin_unlock_irq(phba->host->host_lock);
169 lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
170 lpfc_mbuf_free(phba, prsp->virt, prsp->phys);
177 INIT_LIST_HEAD(&pbuflist->list);
179 icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys);
180 icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys);
181 icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
183 icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64));
184 icmd->un.elsreq64.remoteID = ndlp->nlp_DID; /* DID */
185 icmd->ulpCommand = CMD_ELS_REQUEST64_CR;
187 icmd->un.elsreq64.bdl.bdeSize = sizeof (struct ulp_bde64);
188 icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX;
191 icmd->ulpBdeCount = 1;
193 icmd->ulpClass = CLASS3;
195 bpl = (struct ulp_bde64 *) pbuflist->virt;
196 bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys));
197 bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys));
198 bpl->tus.f.bdeSize = cmdSize;
199 bpl->tus.f.bdeFlags = 0;
200 bpl->tus.w = le32_to_cpu(bpl->tus.w);
204 bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys));
205 bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys));
206 bpl->tus.f.bdeSize = FCELSSIZE;
207 bpl->tus.f.bdeFlags = BUFF_USE_RCV;
208 bpl->tus.w = le32_to_cpu(bpl->tus.w);
211 /* Save for completion so we can release these resources */
212 elsiocb->context1 = (uint8_t *) ndlp;
213 elsiocb->context2 = (uint8_t *) pcmd;
214 elsiocb->context3 = (uint8_t *) pbuflist;
215 elsiocb->retry = retry;
216 elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT;
219 list_add(&prsp->list, &pcmd->list);
223 /* Xmit ELS command <elsCmd> to remote NPORT <did> */
224 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
225 "%d:0116 Xmit ELS command x%x to remote "
226 "NPORT x%x Data: x%x x%x\n",
227 phba->brd_no, elscmd,
228 ndlp->nlp_DID, icmd->ulpIoTag, phba->hba_state);
230 /* Xmit ELS response <elsCmd> to remote NPORT <did> */
231 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
232 "%d:0117 Xmit ELS response x%x to remote "
233 "NPORT x%x Data: x%x x%x\n",
234 phba->brd_no, elscmd,
235 ndlp->nlp_DID, icmd->ulpIoTag, cmdSize);
243 lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
244 struct serv_parm *sp, IOCB_t *irsp)
249 spin_lock_irq(phba->host->host_lock);
250 phba->fc_flag |= FC_FABRIC;
251 spin_unlock_irq(phba->host->host_lock);
253 phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov);
254 if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */
255 phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000;
257 phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000;
259 if (phba->fc_topology == TOPOLOGY_LOOP) {
260 spin_lock_irq(phba->host->host_lock);
261 phba->fc_flag |= FC_PUBLIC_LOOP;
262 spin_unlock_irq(phba->host->host_lock);
265 * If we are a N-port connected to a Fabric, fixup sparam's so
266 * logins to devices on remote loops work.
268 phba->fc_sparam.cmn.altBbCredit = 1;
271 phba->fc_myDID = irsp->un.ulpWord[4] & Mask_DID;
272 memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name));
273 memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name));
274 ndlp->nlp_class_sup = 0;
275 if (sp->cls1.classValid)
276 ndlp->nlp_class_sup |= FC_COS_CLASS1;
277 if (sp->cls2.classValid)
278 ndlp->nlp_class_sup |= FC_COS_CLASS2;
279 if (sp->cls3.classValid)
280 ndlp->nlp_class_sup |= FC_COS_CLASS3;
281 if (sp->cls4.classValid)
282 ndlp->nlp_class_sup |= FC_COS_CLASS4;
283 ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
284 sp->cmn.bbRcvSizeLsb;
285 memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm));
287 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
291 phba->hba_state = LPFC_FABRIC_CFG_LINK;
292 lpfc_config_link(phba, mbox);
293 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
295 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB);
296 if (rc == MBX_NOT_FINISHED)
299 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
303 if (lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0))
307 * set_slim mailbox command needs to execute first,
308 * queue this command to be processed later.
310 mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login;
311 mbox->context2 = ndlp;
313 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB);
314 if (rc == MBX_NOT_FINISHED)
320 mempool_free(mbox, phba->mbox_mem_pool);
326 * We FLOGIed into an NPort, initiate pt2pt protocol
329 lpfc_cmpl_els_flogi_nport(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
330 struct serv_parm *sp)
335 spin_lock_irq(phba->host->host_lock);
336 phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
337 spin_unlock_irq(phba->host->host_lock);
339 phba->fc_edtov = FF_DEF_EDTOV;
340 phba->fc_ratov = FF_DEF_RATOV;
341 rc = memcmp(&phba->fc_portname, &sp->portName,
342 sizeof(struct lpfc_name));
344 /* This side will initiate the PLOGI */
345 spin_lock_irq(phba->host->host_lock);
346 phba->fc_flag |= FC_PT2PT_PLOGI;
347 spin_unlock_irq(phba->host->host_lock);
350 * N_Port ID cannot be 0, set our to LocalID the other
351 * side will be RemoteID.
356 phba->fc_myDID = PT2PT_LocalID;
358 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
362 lpfc_config_link(phba, mbox);
364 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
365 rc = lpfc_sli_issue_mbox(phba, mbox,
366 MBX_NOWAIT | MBX_STOP_IOCB);
367 if (rc == MBX_NOT_FINISHED) {
368 mempool_free(mbox, phba->mbox_mem_pool);
371 mempool_free(ndlp, phba->nlp_mem_pool);
373 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, PT2PT_RemoteID);
376 * Cannot find existing Fabric ndlp, so allocate a
379 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
383 lpfc_nlp_init(phba, ndlp, PT2PT_RemoteID);
386 memcpy(&ndlp->nlp_portname, &sp->portName,
387 sizeof(struct lpfc_name));
388 memcpy(&ndlp->nlp_nodename, &sp->nodeName,
389 sizeof(struct lpfc_name));
390 ndlp->nlp_state = NLP_STE_NPR_NODE;
391 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
392 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
394 /* This side will wait for the PLOGI */
395 mempool_free( ndlp, phba->nlp_mem_pool);
398 spin_lock_irq(phba->host->host_lock);
399 phba->fc_flag |= FC_PT2PT;
400 spin_unlock_irq(phba->host->host_lock);
402 /* Start discovery - this should just do CLEAR_LA */
403 lpfc_disc_start(phba);
410 lpfc_cmpl_els_flogi(struct lpfc_hba * phba,
411 struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb)
413 IOCB_t *irsp = &rspiocb->iocb;
414 struct lpfc_nodelist *ndlp = cmdiocb->context1;
415 struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp;
416 struct serv_parm *sp;
419 /* Check to see if link went down during discovery */
420 if (lpfc_els_chk_latt(phba)) {
421 lpfc_nlp_remove(phba, ndlp);
425 if (irsp->ulpStatus) {
426 /* Check for retry */
427 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
428 /* ELS command is being retried */
431 /* FLOGI failed, so there is no fabric */
432 spin_lock_irq(phba->host->host_lock);
433 phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
434 spin_unlock_irq(phba->host->host_lock);
436 /* If private loop, then allow max outstandting els to be
437 * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no
438 * alpa map would take too long otherwise.
440 if (phba->alpa_map[0] == 0) {
441 phba->cfg_discovery_threads =
442 LPFC_MAX_DISC_THREADS;
446 lpfc_printf_log(phba,
449 "%d:0100 FLOGI failure Data: x%x x%x x%x\n",
451 irsp->ulpStatus, irsp->un.ulpWord[4],
457 * The FLogI succeeded. Sync the data for the CPU before
460 prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list);
462 sp = prsp->virt + sizeof(uint32_t);
464 /* FLOGI completes successfully */
465 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
466 "%d:0101 FLOGI completes sucessfully "
467 "Data: x%x x%x x%x x%x\n",
469 irsp->un.ulpWord[4], sp->cmn.e_d_tov,
470 sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution);
472 if (phba->hba_state == LPFC_FLOGI) {
474 * If Common Service Parameters indicate Nport
475 * we are point to point, if Fport we are Fabric.
478 rc = lpfc_cmpl_els_flogi_fabric(phba, ndlp, sp, irsp);
480 rc = lpfc_cmpl_els_flogi_nport(phba, ndlp, sp);
487 lpfc_nlp_remove(phba, ndlp);
489 if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
490 (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED &&
491 irsp->un.ulpWord[4] != IOERR_SLI_DOWN)) {
492 /* FLOGI failed, so just use loop map to make discovery list */
493 lpfc_disc_list_loopmap(phba);
495 /* Start discovery */
496 lpfc_disc_start(phba);
500 lpfc_els_free_iocb(phba, cmdiocb);
504 lpfc_issue_els_flogi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
507 struct serv_parm *sp;
509 struct lpfc_iocbq *elsiocb;
510 struct lpfc_sli_ring *pring;
516 pring = &phba->sli.ring[LPFC_ELS_RING];
518 cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm));
519 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
520 ndlp, ELS_CMD_FLOGI)) == 0) {
524 icmd = &elsiocb->iocb;
525 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
527 /* For FLOGI request, remainder of payload is service parameters */
528 *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI;
529 pcmd += sizeof (uint32_t);
530 memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
531 sp = (struct serv_parm *) pcmd;
533 /* Setup CSPs accordingly for Fabric */
535 sp->cmn.w2.r_a_tov = 0;
536 sp->cls1.classValid = 0;
537 sp->cls2.seqDelivery = 1;
538 sp->cls3.seqDelivery = 1;
539 if (sp->cmn.fcphLow < FC_PH3)
540 sp->cmn.fcphLow = FC_PH3;
541 if (sp->cmn.fcphHigh < FC_PH3)
542 sp->cmn.fcphHigh = FC_PH3;
544 tmo = phba->fc_ratov;
545 phba->fc_ratov = LPFC_DISC_FLOGI_TMO;
546 lpfc_set_disctmo(phba);
547 phba->fc_ratov = tmo;
549 phba->fc_stat.elsXmitFLOGI++;
550 elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi;
551 spin_lock_irq(phba->host->host_lock);
552 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
553 spin_unlock_irq(phba->host->host_lock);
554 if (rc == IOCB_ERROR) {
555 lpfc_els_free_iocb(phba, elsiocb);
562 lpfc_els_abort_flogi(struct lpfc_hba * phba)
564 struct lpfc_sli_ring *pring;
565 struct lpfc_iocbq *iocb, *next_iocb;
566 struct lpfc_nodelist *ndlp;
569 /* Abort outstanding I/O on NPort <nlp_DID> */
570 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
571 "%d:0201 Abort outstanding I/O on NPort x%x\n",
572 phba->brd_no, Fabric_DID);
574 pring = &phba->sli.ring[LPFC_ELS_RING];
577 * Check the txcmplq for an iocb that matches the nport the driver is
580 spin_lock_irq(phba->host->host_lock);
581 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
583 if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) {
584 ndlp = (struct lpfc_nodelist *)(iocb->context1);
585 if (ndlp && (ndlp->nlp_DID == Fabric_DID)) {
586 list_del(&iocb->list);
587 pring->txcmplq_cnt--;
589 if ((icmd->un.elsreq64.bdl.ulpIoTag32)) {
590 lpfc_sli_issue_abort_iotag32
593 if (iocb->iocb_cmpl) {
594 icmd->ulpStatus = IOSTAT_LOCAL_REJECT;
595 icmd->un.ulpWord[4] =
597 spin_unlock_irq(phba->host->host_lock);
598 (iocb->iocb_cmpl) (phba, iocb, iocb);
599 spin_lock_irq(phba->host->host_lock);
601 lpfc_sli_release_iocbq(phba, iocb);
605 spin_unlock_irq(phba->host->host_lock);
611 lpfc_initial_flogi(struct lpfc_hba * phba)
613 struct lpfc_nodelist *ndlp;
615 /* First look for the Fabric ndlp */
616 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, Fabric_DID);
618 /* Cannot find existing Fabric ndlp, so allocate a new one */
619 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
622 lpfc_nlp_init(phba, ndlp, Fabric_DID);
624 lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ);
626 if (lpfc_issue_els_flogi(phba, ndlp, 0)) {
627 mempool_free( ndlp, phba->nlp_mem_pool);
633 lpfc_more_plogi(struct lpfc_hba * phba)
637 if (phba->num_disc_nodes)
638 phba->num_disc_nodes--;
640 /* Continue discovery with <num_disc_nodes> PLOGIs to go */
641 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
642 "%d:0232 Continue discovery with %d PLOGIs to go "
643 "Data: x%x x%x x%x\n",
644 phba->brd_no, phba->num_disc_nodes, phba->fc_plogi_cnt,
645 phba->fc_flag, phba->hba_state);
647 /* Check to see if there are more PLOGIs to be sent */
648 if (phba->fc_flag & FC_NLP_MORE) {
649 /* go thru NPR list and issue any remaining ELS PLOGIs */
650 sentplogi = lpfc_els_disc_plogi(phba);
656 lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
657 struct lpfc_iocbq * rspiocb)
660 struct lpfc_sli *psli;
661 struct lpfc_nodelist *ndlp;
662 int disc, rc, did, type;
666 /* we pass cmdiocb to state machine which needs rspiocb as well */
667 cmdiocb->context_un.rsp_iocb = rspiocb;
669 irsp = &rspiocb->iocb;
670 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
672 /* Since ndlp can be freed in the disc state machine, note if this node
673 * is being used during discovery.
675 disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
676 spin_lock_irq(phba->host->host_lock);
677 ndlp->nlp_flag &= ~(NLP_PLOGI_SND | NLP_NPR_2B_DISC);
678 spin_unlock_irq(phba->host->host_lock);
681 /* PLOGI completes to NPort <nlp_DID> */
682 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
683 "%d:0102 PLOGI completes to NPort x%x "
684 "Data: x%x x%x x%x x%x x%x\n",
685 phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus,
686 irsp->un.ulpWord[4], irsp->ulpTimeout, disc,
687 phba->num_disc_nodes);
689 /* Check to see if link went down during discovery */
690 if (lpfc_els_chk_latt(phba)) {
691 spin_lock_irq(phba->host->host_lock);
692 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
693 spin_unlock_irq(phba->host->host_lock);
697 /* ndlp could be freed in DSM, save these values now */
698 type = ndlp->nlp_type;
701 if (irsp->ulpStatus) {
702 /* Check for retry */
703 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
704 /* ELS command is being retried */
706 spin_lock_irq(phba->host->host_lock);
707 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
708 spin_unlock_irq(phba->host->host_lock);
714 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
715 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
716 ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
717 (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
718 (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
719 rc = NLP_STE_FREED_NODE;
721 rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb,
725 /* Good status, call state machine */
726 rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb,
730 if (type & NLP_FABRIC) {
731 /* If we cannot login to Nameserver, kick off discovery now */
732 if ((did == NameServer_DID) && (rc == NLP_STE_FREED_NODE)) {
733 lpfc_disc_start(phba);
738 if (disc && phba->num_disc_nodes) {
739 /* Check to see if there are more PLOGIs to be sent */
740 lpfc_more_plogi(phba);
743 if (phba->num_disc_nodes == 0) {
744 spin_lock_irq(phba->host->host_lock);
745 phba->fc_flag &= ~FC_NDISC_ACTIVE;
746 spin_unlock_irq(phba->host->host_lock);
748 lpfc_can_disctmo(phba);
749 if (phba->fc_flag & FC_RSCN_MODE) {
750 /* Check to see if more RSCNs came in while we were
751 * processing this one.
753 if ((phba->fc_rscn_id_cnt == 0) &&
754 (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
755 spin_lock_irq(phba->host->host_lock);
756 phba->fc_flag &= ~FC_RSCN_MODE;
757 spin_unlock_irq(phba->host->host_lock);
759 lpfc_els_handle_rscn(phba);
765 lpfc_els_free_iocb(phba, cmdiocb);
770 lpfc_issue_els_plogi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
773 struct serv_parm *sp;
775 struct lpfc_iocbq *elsiocb;
776 struct lpfc_sli_ring *pring;
777 struct lpfc_sli *psli;
782 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
784 cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm));
785 elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp,
790 icmd = &elsiocb->iocb;
791 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
793 /* For PLOGI request, remainder of payload is service parameters */
794 *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI;
795 pcmd += sizeof (uint32_t);
796 memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
797 sp = (struct serv_parm *) pcmd;
799 if (sp->cmn.fcphLow < FC_PH_4_3)
800 sp->cmn.fcphLow = FC_PH_4_3;
802 if (sp->cmn.fcphHigh < FC_PH3)
803 sp->cmn.fcphHigh = FC_PH3;
805 phba->fc_stat.elsXmitPLOGI++;
806 elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi;
807 spin_lock_irq(phba->host->host_lock);
808 ndlp->nlp_flag |= NLP_PLOGI_SND;
809 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
810 ndlp->nlp_flag &= ~NLP_PLOGI_SND;
811 spin_unlock_irq(phba->host->host_lock);
812 lpfc_els_free_iocb(phba, elsiocb);
815 spin_unlock_irq(phba->host->host_lock);
820 lpfc_cmpl_els_prli(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
821 struct lpfc_iocbq * rspiocb)
824 struct lpfc_sli *psli;
825 struct lpfc_nodelist *ndlp;
828 /* we pass cmdiocb to state machine which needs rspiocb as well */
829 cmdiocb->context_un.rsp_iocb = rspiocb;
831 irsp = &(rspiocb->iocb);
832 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
833 spin_lock_irq(phba->host->host_lock);
834 ndlp->nlp_flag &= ~NLP_PRLI_SND;
835 spin_unlock_irq(phba->host->host_lock);
837 /* PRLI completes to NPort <nlp_DID> */
838 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
839 "%d:0103 PRLI completes to NPort x%x "
840 "Data: x%x x%x x%x x%x\n",
841 phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus,
842 irsp->un.ulpWord[4], irsp->ulpTimeout,
843 phba->num_disc_nodes);
845 phba->fc_prli_sent--;
846 /* Check to see if link went down during discovery */
847 if (lpfc_els_chk_latt(phba))
850 if (irsp->ulpStatus) {
851 /* Check for retry */
852 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
853 /* ELS command is being retried */
857 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
858 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
859 ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
860 (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
861 (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
864 lpfc_disc_state_machine(phba, ndlp, cmdiocb,
868 /* Good status, call state machine */
869 lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_PRLI);
873 lpfc_els_free_iocb(phba, cmdiocb);
878 lpfc_issue_els_prli(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
883 struct lpfc_iocbq *elsiocb;
884 struct lpfc_sli_ring *pring;
885 struct lpfc_sli *psli;
890 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
892 cmdsize = (sizeof (uint32_t) + sizeof (PRLI));
893 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
894 ndlp, ELS_CMD_PRLI)) == 0) {
898 icmd = &elsiocb->iocb;
899 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
901 /* For PRLI request, remainder of payload is service parameters */
902 memset(pcmd, 0, (sizeof (PRLI) + sizeof (uint32_t)));
903 *((uint32_t *) (pcmd)) = ELS_CMD_PRLI;
904 pcmd += sizeof (uint32_t);
906 /* For PRLI, remainder of payload is PRLI parameter page */
909 * If our firmware version is 3.20 or later,
910 * set the following bits for FC-TAPE support.
912 if (phba->vpd.rev.feaLevelHigh >= 0x02) {
913 npr->ConfmComplAllowed = 1;
915 npr->TaskRetryIdReq = 1;
917 npr->estabImagePair = 1;
918 npr->readXferRdyDis = 1;
920 /* For FCP support */
921 npr->prliType = PRLI_FCP_TYPE;
922 npr->initiatorFunc = 1;
924 phba->fc_stat.elsXmitPRLI++;
925 elsiocb->iocb_cmpl = lpfc_cmpl_els_prli;
926 spin_lock_irq(phba->host->host_lock);
927 ndlp->nlp_flag |= NLP_PRLI_SND;
928 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
929 ndlp->nlp_flag &= ~NLP_PRLI_SND;
930 spin_unlock_irq(phba->host->host_lock);
931 lpfc_els_free_iocb(phba, elsiocb);
934 spin_unlock_irq(phba->host->host_lock);
935 phba->fc_prli_sent++;
940 lpfc_more_adisc(struct lpfc_hba * phba)
944 if (phba->num_disc_nodes)
945 phba->num_disc_nodes--;
947 /* Continue discovery with <num_disc_nodes> ADISCs to go */
948 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
949 "%d:0210 Continue discovery with %d ADISCs to go "
950 "Data: x%x x%x x%x\n",
951 phba->brd_no, phba->num_disc_nodes, phba->fc_adisc_cnt,
952 phba->fc_flag, phba->hba_state);
954 /* Check to see if there are more ADISCs to be sent */
955 if (phba->fc_flag & FC_NLP_MORE) {
956 lpfc_set_disctmo(phba);
958 /* go thru NPR list and issue any remaining ELS ADISCs */
959 sentadisc = lpfc_els_disc_adisc(phba);
965 lpfc_rscn_disc(struct lpfc_hba * phba)
968 /* go thru NPR list and issue ELS PLOGIs */
969 if (phba->fc_npr_cnt) {
970 if (lpfc_els_disc_plogi(phba))
973 if (phba->fc_flag & FC_RSCN_MODE) {
974 /* Check to see if more RSCNs came in while we were
975 * processing this one.
977 if ((phba->fc_rscn_id_cnt == 0) &&
978 (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
979 spin_lock_irq(phba->host->host_lock);
980 phba->fc_flag &= ~FC_RSCN_MODE;
981 spin_unlock_irq(phba->host->host_lock);
983 lpfc_els_handle_rscn(phba);
989 lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
990 struct lpfc_iocbq * rspiocb)
993 struct lpfc_sli *psli;
994 struct lpfc_nodelist *ndlp;
1000 /* we pass cmdiocb to state machine which needs rspiocb as well */
1001 cmdiocb->context_un.rsp_iocb = rspiocb;
1003 irsp = &(rspiocb->iocb);
1004 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1006 /* Since ndlp can be freed in the disc state machine, note if this node
1007 * is being used during discovery.
1009 disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
1010 spin_lock_irq(phba->host->host_lock);
1011 ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC);
1012 spin_unlock_irq(phba->host->host_lock);
1014 /* ADISC completes to NPort <nlp_DID> */
1015 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1016 "%d:0104 ADISC completes to NPort x%x "
1017 "Data: x%x x%x x%x x%x x%x\n",
1018 phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus,
1019 irsp->un.ulpWord[4], irsp->ulpTimeout, disc,
1020 phba->num_disc_nodes);
1022 /* Check to see if link went down during discovery */
1023 if (lpfc_els_chk_latt(phba)) {
1024 spin_lock_irq(phba->host->host_lock);
1025 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1026 spin_unlock_irq(phba->host->host_lock);
1030 if (irsp->ulpStatus) {
1031 /* Check for retry */
1032 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
1033 /* ELS command is being retried */
1035 spin_lock_irq(phba->host->host_lock);
1036 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1037 spin_unlock_irq(phba->host->host_lock);
1038 lpfc_set_disctmo(phba);
1043 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
1044 if ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) ||
1045 ((irsp->un.ulpWord[4] != IOERR_SLI_ABORTED) &&
1046 (irsp->un.ulpWord[4] != IOERR_LINK_DOWN) &&
1047 (irsp->un.ulpWord[4] != IOERR_SLI_DOWN))) {
1048 lpfc_disc_state_machine(phba, ndlp, cmdiocb,
1049 NLP_EVT_CMPL_ADISC);
1052 /* Good status, call state machine */
1053 lpfc_disc_state_machine(phba, ndlp, cmdiocb,
1054 NLP_EVT_CMPL_ADISC);
1057 if (disc && phba->num_disc_nodes) {
1058 /* Check to see if there are more ADISCs to be sent */
1059 lpfc_more_adisc(phba);
1061 /* Check to see if we are done with ADISC authentication */
1062 if (phba->num_disc_nodes == 0) {
1063 lpfc_can_disctmo(phba);
1064 /* If we get here, there is nothing left to wait for */
1065 if ((phba->hba_state < LPFC_HBA_READY) &&
1066 (phba->hba_state != LPFC_CLEAR_LA)) {
1067 /* Link up discovery */
1068 if ((mbox = mempool_alloc(phba->mbox_mem_pool,
1070 phba->hba_state = LPFC_CLEAR_LA;
1071 lpfc_clear_la(phba, mbox);
1073 lpfc_mbx_cmpl_clear_la;
1074 rc = lpfc_sli_issue_mbox
1076 (MBX_NOWAIT | MBX_STOP_IOCB));
1077 if (rc == MBX_NOT_FINISHED) {
1079 phba->mbox_mem_pool);
1080 lpfc_disc_flush_list(phba);
1081 psli->ring[(psli->ip_ring)].
1083 ~LPFC_STOP_IOCB_EVENT;
1084 psli->ring[(psli->fcp_ring)].
1086 ~LPFC_STOP_IOCB_EVENT;
1087 psli->ring[(psli->next_ring)].
1089 ~LPFC_STOP_IOCB_EVENT;
1095 lpfc_rscn_disc(phba);
1100 lpfc_els_free_iocb(phba, cmdiocb);
1105 lpfc_issue_els_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
1110 struct lpfc_iocbq *elsiocb;
1111 struct lpfc_sli_ring *pring;
1112 struct lpfc_sli *psli;
1117 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1119 cmdsize = (sizeof (uint32_t) + sizeof (ADISC));
1120 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
1121 ndlp, ELS_CMD_ADISC)) == 0) {
1125 icmd = &elsiocb->iocb;
1126 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1128 /* For ADISC request, remainder of payload is service parameters */
1129 *((uint32_t *) (pcmd)) = ELS_CMD_ADISC;
1130 pcmd += sizeof (uint32_t);
1132 /* Fill in ADISC payload */
1133 ap = (ADISC *) pcmd;
1134 ap->hardAL_PA = phba->fc_pref_ALPA;
1135 memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name));
1136 memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name));
1137 ap->DID = be32_to_cpu(phba->fc_myDID);
1139 phba->fc_stat.elsXmitADISC++;
1140 elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc;
1141 spin_lock_irq(phba->host->host_lock);
1142 ndlp->nlp_flag |= NLP_ADISC_SND;
1143 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
1144 ndlp->nlp_flag &= ~NLP_ADISC_SND;
1145 spin_unlock_irq(phba->host->host_lock);
1146 lpfc_els_free_iocb(phba, elsiocb);
1149 spin_unlock_irq(phba->host->host_lock);
1154 lpfc_cmpl_els_logo(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1155 struct lpfc_iocbq * rspiocb)
1158 struct lpfc_sli *psli;
1159 struct lpfc_nodelist *ndlp;
1162 /* we pass cmdiocb to state machine which needs rspiocb as well */
1163 cmdiocb->context_un.rsp_iocb = rspiocb;
1165 irsp = &(rspiocb->iocb);
1166 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1167 spin_lock_irq(phba->host->host_lock);
1168 ndlp->nlp_flag &= ~NLP_LOGO_SND;
1169 spin_unlock_irq(phba->host->host_lock);
1171 /* LOGO completes to NPort <nlp_DID> */
1172 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1173 "%d:0105 LOGO completes to NPort x%x "
1174 "Data: x%x x%x x%x x%x\n",
1175 phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus,
1176 irsp->un.ulpWord[4], irsp->ulpTimeout,
1177 phba->num_disc_nodes);
1179 /* Check to see if link went down during discovery */
1180 if (lpfc_els_chk_latt(phba))
1183 if (irsp->ulpStatus) {
1184 /* Check for retry */
1185 if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
1186 /* ELS command is being retried */
1190 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
1191 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1192 ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
1193 (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
1194 (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
1197 lpfc_disc_state_machine(phba, ndlp, cmdiocb,
1201 /* Good status, call state machine.
1202 * This will unregister the rpi if needed.
1204 lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_LOGO);
1208 lpfc_els_free_iocb(phba, cmdiocb);
1213 lpfc_issue_els_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
1217 struct lpfc_iocbq *elsiocb;
1218 struct lpfc_sli_ring *pring;
1219 struct lpfc_sli *psli;
1224 pring = &psli->ring[LPFC_ELS_RING];
1226 cmdsize = 2 * (sizeof (uint32_t) + sizeof (struct lpfc_name));
1227 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
1228 ndlp, ELS_CMD_LOGO)) == 0) {
1232 icmd = &elsiocb->iocb;
1233 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1234 *((uint32_t *) (pcmd)) = ELS_CMD_LOGO;
1235 pcmd += sizeof (uint32_t);
1237 /* Fill in LOGO payload */
1238 *((uint32_t *) (pcmd)) = be32_to_cpu(phba->fc_myDID);
1239 pcmd += sizeof (uint32_t);
1240 memcpy(pcmd, &phba->fc_portname, sizeof (struct lpfc_name));
1242 phba->fc_stat.elsXmitLOGO++;
1243 elsiocb->iocb_cmpl = lpfc_cmpl_els_logo;
1244 spin_lock_irq(phba->host->host_lock);
1245 ndlp->nlp_flag |= NLP_LOGO_SND;
1246 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
1247 ndlp->nlp_flag &= ~NLP_LOGO_SND;
1248 spin_unlock_irq(phba->host->host_lock);
1249 lpfc_els_free_iocb(phba, elsiocb);
1252 spin_unlock_irq(phba->host->host_lock);
1257 lpfc_cmpl_els_cmd(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1258 struct lpfc_iocbq * rspiocb)
1262 irsp = &rspiocb->iocb;
1264 /* ELS cmd tag <ulpIoTag> completes */
1265 lpfc_printf_log(phba,
1268 "%d:0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n",
1270 irsp->ulpIoTag, irsp->ulpStatus,
1271 irsp->un.ulpWord[4], irsp->ulpTimeout);
1273 /* Check to see if link went down during discovery */
1274 lpfc_els_chk_latt(phba);
1275 lpfc_els_free_iocb(phba, cmdiocb);
1280 lpfc_issue_els_scr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry)
1283 struct lpfc_iocbq *elsiocb;
1284 struct lpfc_sli_ring *pring;
1285 struct lpfc_sli *psli;
1288 struct lpfc_nodelist *ndlp;
1291 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1292 cmdsize = (sizeof (uint32_t) + sizeof (SCR));
1293 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1297 lpfc_nlp_init(phba, ndlp, nportid);
1299 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
1300 ndlp, ELS_CMD_SCR)) == 0) {
1301 mempool_free( ndlp, phba->nlp_mem_pool);
1305 icmd = &elsiocb->iocb;
1306 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1308 *((uint32_t *) (pcmd)) = ELS_CMD_SCR;
1309 pcmd += sizeof (uint32_t);
1311 /* For SCR, remainder of payload is SCR parameter page */
1312 memset(pcmd, 0, sizeof (SCR));
1313 ((SCR *) pcmd)->Function = SCR_FUNC_FULL;
1315 phba->fc_stat.elsXmitSCR++;
1316 elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd;
1317 spin_lock_irq(phba->host->host_lock);
1318 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
1319 spin_unlock_irq(phba->host->host_lock);
1320 mempool_free( ndlp, phba->nlp_mem_pool);
1321 lpfc_els_free_iocb(phba, elsiocb);
1324 spin_unlock_irq(phba->host->host_lock);
1325 mempool_free( ndlp, phba->nlp_mem_pool);
1330 lpfc_issue_els_farpr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry)
1333 struct lpfc_iocbq *elsiocb;
1334 struct lpfc_sli_ring *pring;
1335 struct lpfc_sli *psli;
1340 struct lpfc_nodelist *ondlp;
1341 struct lpfc_nodelist *ndlp;
1344 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1345 cmdsize = (sizeof (uint32_t) + sizeof (FARP));
1346 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1349 lpfc_nlp_init(phba, ndlp, nportid);
1351 if ((elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry,
1352 ndlp, ELS_CMD_RNID)) == 0) {
1353 mempool_free( ndlp, phba->nlp_mem_pool);
1357 icmd = &elsiocb->iocb;
1358 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1360 *((uint32_t *) (pcmd)) = ELS_CMD_FARPR;
1361 pcmd += sizeof (uint32_t);
1363 /* Fill in FARPR payload */
1364 fp = (FARP *) (pcmd);
1365 memset(fp, 0, sizeof (FARP));
1366 lp = (uint32_t *) pcmd;
1367 *lp++ = be32_to_cpu(nportid);
1368 *lp++ = be32_to_cpu(phba->fc_myDID);
1370 fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE);
1372 memcpy(&fp->RportName, &phba->fc_portname, sizeof (struct lpfc_name));
1373 memcpy(&fp->RnodeName, &phba->fc_nodename, sizeof (struct lpfc_name));
1374 if ((ondlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, nportid))) {
1375 memcpy(&fp->OportName, &ondlp->nlp_portname,
1376 sizeof (struct lpfc_name));
1377 memcpy(&fp->OnodeName, &ondlp->nlp_nodename,
1378 sizeof (struct lpfc_name));
1381 phba->fc_stat.elsXmitFARPR++;
1382 elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd;
1383 spin_lock_irq(phba->host->host_lock);
1384 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
1385 spin_unlock_irq(phba->host->host_lock);
1386 mempool_free( ndlp, phba->nlp_mem_pool);
1387 lpfc_els_free_iocb(phba, elsiocb);
1390 spin_unlock_irq(phba->host->host_lock);
1391 mempool_free( ndlp, phba->nlp_mem_pool);
1396 lpfc_els_retry_delay(unsigned long ptr)
1398 struct lpfc_nodelist *ndlp;
1399 struct lpfc_hba *phba;
1400 unsigned long iflag;
1401 struct lpfc_work_evt *evtp;
1403 ndlp = (struct lpfc_nodelist *)ptr;
1404 phba = ndlp->nlp_phba;
1405 evtp = &ndlp->els_retry_evt;
1407 spin_lock_irqsave(phba->host->host_lock, iflag);
1408 if (!list_empty(&evtp->evt_listp)) {
1409 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1413 evtp->evt_arg1 = ndlp;
1414 evtp->evt = LPFC_EVT_ELS_RETRY;
1415 list_add_tail(&evtp->evt_listp, &phba->work_list);
1416 if (phba->work_wait)
1417 wake_up(phba->work_wait);
1419 spin_unlock_irqrestore(phba->host->host_lock, iflag);
1424 lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp)
1426 struct lpfc_hba *phba;
1431 phba = ndlp->nlp_phba;
1432 spin_lock_irq(phba->host->host_lock);
1433 did = ndlp->nlp_DID;
1434 cmd = ndlp->nlp_last_elscmd;
1435 ndlp->nlp_last_elscmd = 0;
1437 if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) {
1438 spin_unlock_irq(phba->host->host_lock);
1442 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
1443 spin_unlock_irq(phba->host->host_lock);
1444 retry = ndlp->nlp_retry;
1448 lpfc_issue_els_flogi(phba, ndlp, retry);
1451 if (!lpfc_issue_els_plogi(phba, ndlp, retry)) {
1452 ndlp->nlp_prev_state = ndlp->nlp_state;
1453 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
1454 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
1458 if (!lpfc_issue_els_adisc(phba, ndlp, retry)) {
1459 ndlp->nlp_prev_state = ndlp->nlp_state;
1460 ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
1461 lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST);
1465 if (!lpfc_issue_els_prli(phba, ndlp, retry)) {
1466 ndlp->nlp_prev_state = ndlp->nlp_state;
1467 ndlp->nlp_state = NLP_STE_PRLI_ISSUE;
1468 lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST);
1472 if (!lpfc_issue_els_logo(phba, ndlp, retry)) {
1473 ndlp->nlp_prev_state = ndlp->nlp_state;
1474 ndlp->nlp_state = NLP_STE_NPR_NODE;
1475 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1483 lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1484 struct lpfc_iocbq * rspiocb)
1487 struct lpfc_dmabuf *pcmd;
1488 struct lpfc_nodelist *ndlp;
1491 int retry, maxretry;
1497 maxretry = lpfc_max_els_tries;
1498 irsp = &rspiocb->iocb;
1499 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1500 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
1502 /* Note: context2 may be 0 for internal driver abort
1503 * of delays ELS command.
1506 if (pcmd && pcmd->virt) {
1507 elscmd = (uint32_t *) (pcmd->virt);
1511 switch (irsp->ulpStatus) {
1512 case IOSTAT_FCP_RSP_ERROR:
1513 case IOSTAT_REMOTE_STOP:
1516 case IOSTAT_LOCAL_REJECT:
1517 switch ((irsp->un.ulpWord[4] & 0xff)) {
1518 case IOERR_LOOP_OPEN_FAILURE:
1519 if (cmd == ELS_CMD_PLOGI) {
1520 if (cmdiocb->retry == 0) {
1527 case IOERR_SEQUENCE_TIMEOUT:
1531 case IOERR_NO_RESOURCES:
1532 if (cmd == ELS_CMD_PLOGI) {
1538 case IOERR_INVALID_RPI:
1544 case IOSTAT_NPORT_RJT:
1545 case IOSTAT_FABRIC_RJT:
1546 if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) {
1552 case IOSTAT_NPORT_BSY:
1553 case IOSTAT_FABRIC_BSY:
1558 stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]);
1559 /* Added for Vendor specifc support
1560 * Just keep retrying for these Rsn / Exp codes
1562 switch (stat.un.b.lsRjtRsnCode) {
1563 case LSRJT_UNABLE_TPC:
1564 if (stat.un.b.lsRjtRsnCodeExp ==
1565 LSEXP_CMD_IN_PROGRESS) {
1566 if (cmd == ELS_CMD_PLOGI) {
1573 if (cmd == ELS_CMD_PLOGI) {
1575 maxretry = lpfc_max_els_tries + 1;
1581 case LSRJT_LOGICAL_BSY:
1582 if (cmd == ELS_CMD_PLOGI) {
1591 case IOSTAT_INTERMED_RSP:
1599 if (ndlp->nlp_DID == FDMI_DID) {
1603 if ((++cmdiocb->retry) >= maxretry) {
1604 phba->fc_stat.elsRetryExceeded++;
1610 /* Retry ELS command <elsCmd> to remote NPORT <did> */
1611 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1612 "%d:0107 Retry ELS command x%x to remote "
1613 "NPORT x%x Data: x%x x%x\n",
1615 cmd, ndlp->nlp_DID, cmdiocb->retry, delay);
1617 if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) {
1618 /* If discovery / RSCN timer is running, reset it */
1619 if (timer_pending(&phba->fc_disctmo) ||
1620 (phba->fc_flag & FC_RSCN_MODE)) {
1621 lpfc_set_disctmo(phba);
1625 phba->fc_stat.elsXmitRetry++;
1627 phba->fc_stat.elsDelayRetry++;
1628 ndlp->nlp_retry = cmdiocb->retry;
1630 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
1631 ndlp->nlp_flag |= NLP_DELAY_TMO;
1633 ndlp->nlp_prev_state = ndlp->nlp_state;
1634 ndlp->nlp_state = NLP_STE_NPR_NODE;
1635 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1636 ndlp->nlp_last_elscmd = cmd;
1642 lpfc_issue_els_flogi(phba, ndlp, cmdiocb->retry);
1645 ndlp->nlp_prev_state = ndlp->nlp_state;
1646 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
1647 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
1648 lpfc_issue_els_plogi(phba, ndlp, cmdiocb->retry);
1651 ndlp->nlp_prev_state = ndlp->nlp_state;
1652 ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
1653 lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST);
1654 lpfc_issue_els_adisc(phba, ndlp, cmdiocb->retry);
1657 ndlp->nlp_prev_state = ndlp->nlp_state;
1658 ndlp->nlp_state = NLP_STE_PRLI_ISSUE;
1659 lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST);
1660 lpfc_issue_els_prli(phba, ndlp, cmdiocb->retry);
1663 ndlp->nlp_prev_state = ndlp->nlp_state;
1664 ndlp->nlp_state = NLP_STE_NPR_NODE;
1665 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1666 lpfc_issue_els_logo(phba, ndlp, cmdiocb->retry);
1671 /* No retry ELS command <elsCmd> to remote NPORT <did> */
1672 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1673 "%d:0108 No retry ELS command x%x to remote NPORT x%x "
1676 cmd, ndlp->nlp_DID, cmdiocb->retry, ndlp->nlp_flag);
1682 lpfc_els_free_iocb(struct lpfc_hba * phba, struct lpfc_iocbq * elsiocb)
1684 struct lpfc_dmabuf *buf_ptr, *buf_ptr1;
1686 /* context2 = cmd, context2->next = rsp, context3 = bpl */
1687 if (elsiocb->context2) {
1688 buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2;
1689 /* Free the response before processing the command. */
1690 if (!list_empty(&buf_ptr1->list)) {
1691 list_remove_head(&buf_ptr1->list, buf_ptr,
1694 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1697 lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys);
1701 if (elsiocb->context3) {
1702 buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3;
1703 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1706 spin_lock_irq(phba->host->host_lock);
1707 lpfc_sli_release_iocbq(phba, elsiocb);
1708 spin_unlock_irq(phba->host->host_lock);
1713 lpfc_cmpl_els_logo_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1714 struct lpfc_iocbq * rspiocb)
1716 struct lpfc_nodelist *ndlp;
1718 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1720 /* ACC to LOGO completes to NPort <nlp_DID> */
1721 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1722 "%d:0109 ACC to LOGO completes to NPort x%x "
1723 "Data: x%x x%x x%x\n",
1724 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
1725 ndlp->nlp_state, ndlp->nlp_rpi);
1727 switch (ndlp->nlp_state) {
1728 case NLP_STE_UNUSED_NODE: /* node is just allocated */
1729 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1731 case NLP_STE_NPR_NODE: /* NPort Recovery mode */
1732 lpfc_unreg_rpi(phba, ndlp);
1737 lpfc_els_free_iocb(phba, cmdiocb);
1742 lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
1743 struct lpfc_iocbq * rspiocb)
1745 struct lpfc_nodelist *ndlp;
1746 LPFC_MBOXQ_t *mbox = NULL;
1748 ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
1749 if (cmdiocb->context_un.mbox)
1750 mbox = cmdiocb->context_un.mbox;
1753 /* Check to see if link went down during discovery */
1754 if ((lpfc_els_chk_latt(phba)) || !ndlp) {
1756 mempool_free( mbox, phba->mbox_mem_pool);
1761 /* ELS response tag <ulpIoTag> completes */
1762 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1763 "%d:0110 ELS response tag x%x completes "
1764 "Data: x%x x%x x%x x%x x%x x%x x%x\n",
1766 cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus,
1767 rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout,
1768 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
1772 if ((rspiocb->iocb.ulpStatus == 0)
1773 && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) {
1774 /* set_slim mailbox command needs to execute first,
1775 * queue this command to be processed later.
1777 lpfc_unreg_rpi(phba, ndlp);
1778 mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login;
1779 mbox->context2 = ndlp;
1780 ndlp->nlp_prev_state = ndlp->nlp_state;
1781 ndlp->nlp_state = NLP_STE_REG_LOGIN_ISSUE;
1782 lpfc_nlp_list(phba, ndlp, NLP_REGLOGIN_LIST);
1783 if (lpfc_sli_issue_mbox(phba, mbox,
1784 (MBX_NOWAIT | MBX_STOP_IOCB))
1785 != MBX_NOT_FINISHED) {
1788 /* NOTE: we should have messages for unsuccessful
1790 mempool_free( mbox, phba->mbox_mem_pool);
1792 mempool_free( mbox, phba->mbox_mem_pool);
1793 if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) {
1794 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
1801 spin_lock_irq(phba->host->host_lock);
1802 ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN;
1803 spin_unlock_irq(phba->host->host_lock);
1805 lpfc_els_free_iocb(phba, cmdiocb);
1810 lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
1811 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp,
1812 LPFC_MBOXQ_t * mbox, uint8_t newnode)
1816 struct lpfc_iocbq *elsiocb;
1817 struct lpfc_sli_ring *pring;
1818 struct lpfc_sli *psli;
1824 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1825 oldcmd = &oldiocb->iocb;
1829 cmdsize = sizeof (uint32_t);
1831 lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
1832 ndlp, ELS_CMD_ACC)) == 0) {
1833 ndlp->nlp_flag &= ~NLP_LOGO_ACC;
1836 icmd = &elsiocb->iocb;
1837 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
1838 pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1839 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
1840 pcmd += sizeof (uint32_t);
1843 cmdsize = (sizeof (struct serv_parm) + sizeof (uint32_t));
1845 lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
1846 ndlp, ELS_CMD_ACC)) == 0) {
1849 icmd = &elsiocb->iocb;
1850 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
1851 pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1854 elsiocb->context_un.mbox = mbox;
1856 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
1857 pcmd += sizeof (uint32_t);
1858 memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
1865 elsiocb->context1 = NULL;
1867 /* Xmit ELS ACC response tag <ulpIoTag> */
1868 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1869 "%d:0128 Xmit ELS ACC response tag x%x "
1870 "Data: x%x x%x x%x x%x x%x\n",
1872 elsiocb->iocb.ulpIoTag,
1873 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
1874 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
1876 if (ndlp->nlp_flag & NLP_LOGO_ACC) {
1877 spin_lock_irq(phba->host->host_lock);
1878 ndlp->nlp_flag &= ~NLP_LOGO_ACC;
1879 spin_unlock_irq(phba->host->host_lock);
1880 elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc;
1882 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
1885 phba->fc_stat.elsXmitACC++;
1886 spin_lock_irq(phba->host->host_lock);
1887 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
1888 spin_unlock_irq(phba->host->host_lock);
1889 if (rc == IOCB_ERROR) {
1890 lpfc_els_free_iocb(phba, elsiocb);
1897 lpfc_els_rsp_reject(struct lpfc_hba * phba, uint32_t rejectError,
1898 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp)
1902 struct lpfc_iocbq *elsiocb;
1903 struct lpfc_sli_ring *pring;
1904 struct lpfc_sli *psli;
1910 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1912 cmdsize = 2 * sizeof (uint32_t);
1913 if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
1914 ndlp, ELS_CMD_LS_RJT)) == 0) {
1918 icmd = &elsiocb->iocb;
1919 oldcmd = &oldiocb->iocb;
1920 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
1921 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1923 *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT;
1924 pcmd += sizeof (uint32_t);
1925 *((uint32_t *) (pcmd)) = rejectError;
1927 /* Xmit ELS RJT <err> response tag <ulpIoTag> */
1928 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1929 "%d:0129 Xmit ELS RJT x%x response tag x%x "
1930 "Data: x%x x%x x%x x%x x%x\n",
1932 rejectError, elsiocb->iocb.ulpIoTag,
1933 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
1934 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
1936 phba->fc_stat.elsXmitLSRJT++;
1937 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
1938 spin_lock_irq(phba->host->host_lock);
1939 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
1940 spin_unlock_irq(phba->host->host_lock);
1941 if (rc == IOCB_ERROR) {
1942 lpfc_els_free_iocb(phba, elsiocb);
1949 lpfc_els_rsp_adisc_acc(struct lpfc_hba * phba,
1950 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp)
1955 struct lpfc_iocbq *elsiocb;
1956 struct lpfc_sli_ring *pring;
1957 struct lpfc_sli *psli;
1963 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1965 cmdsize = sizeof (uint32_t) + sizeof (ADISC);
1966 if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
1967 ndlp, ELS_CMD_ACC)) == 0) {
1971 /* Xmit ADISC ACC response tag <ulpIoTag> */
1972 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
1973 "%d:0130 Xmit ADISC ACC response tag x%x "
1974 "Data: x%x x%x x%x x%x x%x\n",
1976 elsiocb->iocb.ulpIoTag,
1977 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
1978 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
1980 icmd = &elsiocb->iocb;
1981 oldcmd = &oldiocb->iocb;
1982 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
1983 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
1985 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
1986 pcmd += sizeof (uint32_t);
1988 ap = (ADISC *) (pcmd);
1989 ap->hardAL_PA = phba->fc_pref_ALPA;
1990 memcpy(&ap->portName, &phba->fc_portname, sizeof (struct lpfc_name));
1991 memcpy(&ap->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name));
1992 ap->DID = be32_to_cpu(phba->fc_myDID);
1994 phba->fc_stat.elsXmitACC++;
1995 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
1996 spin_lock_irq(phba->host->host_lock);
1997 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
1998 spin_unlock_irq(phba->host->host_lock);
1999 if (rc == IOCB_ERROR) {
2000 lpfc_els_free_iocb(phba, elsiocb);
2007 lpfc_els_rsp_prli_acc(struct lpfc_hba * phba,
2008 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp)
2014 struct lpfc_iocbq *elsiocb;
2015 struct lpfc_sli_ring *pring;
2016 struct lpfc_sli *psli;
2022 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
2024 cmdsize = sizeof (uint32_t) + sizeof (PRLI);
2025 elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, ndlp,
2026 (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)));
2030 /* Xmit PRLI ACC response tag <ulpIoTag> */
2031 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
2032 "%d:0131 Xmit PRLI ACC response tag x%x "
2033 "Data: x%x x%x x%x x%x x%x\n",
2035 elsiocb->iocb.ulpIoTag,
2036 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
2037 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
2039 icmd = &elsiocb->iocb;
2040 oldcmd = &oldiocb->iocb;
2041 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2042 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2044 *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK));
2045 pcmd += sizeof (uint32_t);
2047 /* For PRLI, remainder of payload is PRLI parameter page */
2048 memset(pcmd, 0, sizeof (PRLI));
2050 npr = (PRLI *) pcmd;
2053 * If our firmware version is 3.20 or later,
2054 * set the following bits for FC-TAPE support.
2056 if (vpd->rev.feaLevelHigh >= 0x02) {
2057 npr->ConfmComplAllowed = 1;
2059 npr->TaskRetryIdReq = 1;
2062 npr->acceptRspCode = PRLI_REQ_EXECUTED;
2063 npr->estabImagePair = 1;
2064 npr->readXferRdyDis = 1;
2065 npr->ConfmComplAllowed = 1;
2067 npr->prliType = PRLI_FCP_TYPE;
2068 npr->initiatorFunc = 1;
2070 phba->fc_stat.elsXmitACC++;
2071 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
2073 spin_lock_irq(phba->host->host_lock);
2074 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
2075 spin_unlock_irq(phba->host->host_lock);
2076 if (rc == IOCB_ERROR) {
2077 lpfc_els_free_iocb(phba, elsiocb);
2084 lpfc_els_rsp_rnid_acc(struct lpfc_hba * phba,
2086 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp)
2091 struct lpfc_iocbq *elsiocb;
2092 struct lpfc_sli_ring *pring;
2093 struct lpfc_sli *psli;
2099 pring = &psli->ring[LPFC_ELS_RING];
2101 cmdsize = sizeof (uint32_t) + sizeof (uint32_t)
2102 + (2 * sizeof (struct lpfc_name));
2104 cmdsize += sizeof (RNID_TOP_DISC);
2106 if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
2107 ndlp, ELS_CMD_ACC)) == 0) {
2111 /* Xmit RNID ACC response tag <ulpIoTag> */
2112 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
2113 "%d:0132 Xmit RNID ACC response tag x%x "
2116 elsiocb->iocb.ulpIoTag,
2117 elsiocb->iocb.ulpContext);
2119 icmd = &elsiocb->iocb;
2120 oldcmd = &oldiocb->iocb;
2121 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2122 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2124 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
2125 pcmd += sizeof (uint32_t);
2127 memset(pcmd, 0, sizeof (RNID));
2128 rn = (RNID *) (pcmd);
2129 rn->Format = format;
2130 rn->CommonLen = (2 * sizeof (struct lpfc_name));
2131 memcpy(&rn->portName, &phba->fc_portname, sizeof (struct lpfc_name));
2132 memcpy(&rn->nodeName, &phba->fc_nodename, sizeof (struct lpfc_name));
2135 rn->SpecificLen = 0;
2137 case RNID_TOPOLOGY_DISC:
2138 rn->SpecificLen = sizeof (RNID_TOP_DISC);
2139 memcpy(&rn->un.topologyDisc.portName,
2140 &phba->fc_portname, sizeof (struct lpfc_name));
2141 rn->un.topologyDisc.unitType = RNID_HBA;
2142 rn->un.topologyDisc.physPort = 0;
2143 rn->un.topologyDisc.attachedNodes = 0;
2147 rn->SpecificLen = 0;
2151 phba->fc_stat.elsXmitACC++;
2152 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
2153 elsiocb->context1 = NULL; /* Don't need ndlp for cmpl,
2154 * it could be freed */
2156 spin_lock_irq(phba->host->host_lock);
2157 rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0);
2158 spin_unlock_irq(phba->host->host_lock);
2159 if (rc == IOCB_ERROR) {
2160 lpfc_els_free_iocb(phba, elsiocb);
2167 lpfc_els_disc_adisc(struct lpfc_hba * phba)
2170 struct lpfc_nodelist *ndlp, *next_ndlp;
2173 /* go thru NPR list and issue any remaining ELS ADISCs */
2174 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
2176 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
2177 if (ndlp->nlp_flag & NLP_NPR_ADISC) {
2178 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
2179 ndlp->nlp_prev_state = ndlp->nlp_state;
2180 ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
2181 lpfc_nlp_list(phba, ndlp,
2183 lpfc_issue_els_adisc(phba, ndlp, 0);
2185 phba->num_disc_nodes++;
2186 if (phba->num_disc_nodes >=
2187 phba->cfg_discovery_threads) {
2188 spin_lock_irq(phba->host->host_lock);
2189 phba->fc_flag |= FC_NLP_MORE;
2190 spin_unlock_irq(phba->host->host_lock);
2196 if (sentadisc == 0) {
2197 spin_lock_irq(phba->host->host_lock);
2198 phba->fc_flag &= ~FC_NLP_MORE;
2199 spin_unlock_irq(phba->host->host_lock);
2205 lpfc_els_disc_plogi(struct lpfc_hba * phba)
2208 struct lpfc_nodelist *ndlp, *next_ndlp;
2211 /* go thru NPR list and issue any remaining ELS PLOGIs */
2212 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
2214 if ((ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
2215 (!(ndlp->nlp_flag & NLP_DELAY_TMO))) {
2216 if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
2217 ndlp->nlp_prev_state = ndlp->nlp_state;
2218 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
2219 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
2220 lpfc_issue_els_plogi(phba, ndlp, 0);
2222 phba->num_disc_nodes++;
2223 if (phba->num_disc_nodes >=
2224 phba->cfg_discovery_threads) {
2225 spin_lock_irq(phba->host->host_lock);
2226 phba->fc_flag |= FC_NLP_MORE;
2227 spin_unlock_irq(phba->host->host_lock);
2233 if (sentplogi == 0) {
2234 spin_lock_irq(phba->host->host_lock);
2235 phba->fc_flag &= ~FC_NLP_MORE;
2236 spin_unlock_irq(phba->host->host_lock);
2242 lpfc_els_flush_rscn(struct lpfc_hba * phba)
2244 struct lpfc_dmabuf *mp;
2247 for (i = 0; i < phba->fc_rscn_id_cnt; i++) {
2248 mp = phba->fc_rscn_id_list[i];
2249 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2251 phba->fc_rscn_id_list[i] = NULL;
2253 phba->fc_rscn_id_cnt = 0;
2254 spin_lock_irq(phba->host->host_lock);
2255 phba->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY);
2256 spin_unlock_irq(phba->host->host_lock);
2257 lpfc_can_disctmo(phba);
2262 lpfc_rscn_payload_check(struct lpfc_hba * phba, uint32_t did)
2266 struct lpfc_dmabuf *mp;
2268 uint32_t payload_len, cmd, i, match;
2270 ns_did.un.word = did;
2273 /* Never match fabric nodes for RSCNs */
2274 if ((did & Fabric_DID_MASK) == Fabric_DID_MASK)
2277 /* If we are doing a FULL RSCN rediscovery, match everything */
2278 if (phba->fc_flag & FC_RSCN_DISCOVERY) {
2282 for (i = 0; i < phba->fc_rscn_id_cnt; i++) {
2283 mp = phba->fc_rscn_id_list[i];
2284 lp = (uint32_t *) mp->virt;
2286 payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */
2287 payload_len -= sizeof (uint32_t); /* take off word 0 */
2288 while (payload_len) {
2289 rscn_did.un.word = *lp++;
2290 rscn_did.un.word = be32_to_cpu(rscn_did.un.word);
2291 payload_len -= sizeof (uint32_t);
2292 switch (rscn_did.un.b.resv) {
2293 case 0: /* Single N_Port ID effected */
2294 if (ns_did.un.word == rscn_did.un.word) {
2298 case 1: /* Whole N_Port Area effected */
2299 if ((ns_did.un.b.domain == rscn_did.un.b.domain)
2300 && (ns_did.un.b.area == rscn_did.un.b.area))
2305 case 2: /* Whole N_Port Domain effected */
2306 if (ns_did.un.b.domain == rscn_did.un.b.domain)
2311 case 3: /* Whole Fabric effected */
2315 /* Unknown Identifier in RSCN list */
2316 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2317 "%d:0217 Unknown Identifier in "
2318 "RSCN payload Data: x%x\n",
2319 phba->brd_no, rscn_did.un.word);
2331 lpfc_rscn_recovery_check(struct lpfc_hba * phba)
2333 struct lpfc_nodelist *ndlp = NULL, *next_ndlp;
2334 struct list_head *listp;
2335 struct list_head *node_list[7];
2338 /* Look at all nodes effected by pending RSCNs and move
2341 node_list[0] = &phba->fc_npr_list; /* MUST do this list first */
2342 node_list[1] = &phba->fc_nlpmap_list;
2343 node_list[2] = &phba->fc_nlpunmap_list;
2344 node_list[3] = &phba->fc_prli_list;
2345 node_list[4] = &phba->fc_reglogin_list;
2346 node_list[5] = &phba->fc_adisc_list;
2347 node_list[6] = &phba->fc_plogi_list;
2348 for (i = 0; i < 7; i++) {
2349 listp = node_list[i];
2350 if (list_empty(listp))
2353 list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
2354 if (!(lpfc_rscn_payload_check(phba, ndlp->nlp_DID)))
2357 lpfc_disc_state_machine(phba, ndlp, NULL,
2358 NLP_EVT_DEVICE_RECOVERY);
2360 /* Make sure NLP_DELAY_TMO is NOT running
2361 * after a device recovery event.
2363 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
2364 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
2365 ndlp->nlp_last_elscmd = 0;
2366 del_timer_sync(&ndlp->nlp_delayfunc);
2367 if (!list_empty(&ndlp->
2368 els_retry_evt.evt_listp))
2369 list_del_init(&ndlp->
2370 els_retry_evt.evt_listp);
2378 lpfc_els_rcv_rscn(struct lpfc_hba * phba,
2379 struct lpfc_iocbq * cmdiocb,
2380 struct lpfc_nodelist * ndlp, uint8_t newnode)
2382 struct lpfc_dmabuf *pcmd;
2385 uint32_t payload_len, cmd;
2387 icmd = &cmdiocb->iocb;
2388 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2389 lp = (uint32_t *) pcmd->virt;
2392 payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */
2393 payload_len -= sizeof (uint32_t); /* take off word 0 */
2394 cmd &= ELS_CMD_MASK;
2397 lpfc_printf_log(phba,
2400 "%d:0214 RSCN received Data: x%x x%x x%x x%x\n",
2402 phba->fc_flag, payload_len, *lp, phba->fc_rscn_id_cnt);
2404 /* If we are about to begin discovery, just ACC the RSCN.
2405 * Discovery processing will satisfy it.
2407 if (phba->hba_state < LPFC_NS_QRY) {
2408 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
2413 /* If we are already processing an RSCN, save the received
2414 * RSCN payload buffer, cmdiocb->context2 to process later.
2416 if (phba->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) {
2417 if ((phba->fc_rscn_id_cnt < FC_MAX_HOLD_RSCN) &&
2418 !(phba->fc_flag & FC_RSCN_DISCOVERY)) {
2419 spin_lock_irq(phba->host->host_lock);
2420 phba->fc_flag |= FC_RSCN_MODE;
2421 spin_unlock_irq(phba->host->host_lock);
2422 phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd;
2424 /* If we zero, cmdiocb->context2, the calling
2425 * routine will not try to free it.
2427 cmdiocb->context2 = NULL;
2430 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
2431 "%d:0235 Deferred RSCN "
2432 "Data: x%x x%x x%x\n",
2433 phba->brd_no, phba->fc_rscn_id_cnt,
2434 phba->fc_flag, phba->hba_state);
2436 spin_lock_irq(phba->host->host_lock);
2437 phba->fc_flag |= FC_RSCN_DISCOVERY;
2438 spin_unlock_irq(phba->host->host_lock);
2439 /* ReDiscovery RSCN */
2440 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
2441 "%d:0234 ReDiscovery RSCN "
2442 "Data: x%x x%x x%x\n",
2443 phba->brd_no, phba->fc_rscn_id_cnt,
2444 phba->fc_flag, phba->hba_state);
2447 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
2450 /* send RECOVERY event for ALL nodes that match RSCN payload */
2451 lpfc_rscn_recovery_check(phba);
2455 phba->fc_flag |= FC_RSCN_MODE;
2456 phba->fc_rscn_id_list[phba->fc_rscn_id_cnt++] = pcmd;
2458 * If we zero, cmdiocb->context2, the calling routine will
2459 * not try to free it.
2461 cmdiocb->context2 = NULL;
2463 lpfc_set_disctmo(phba);
2466 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode);
2468 /* send RECOVERY event for ALL nodes that match RSCN payload */
2469 lpfc_rscn_recovery_check(phba);
2471 return lpfc_els_handle_rscn(phba);
2475 lpfc_els_handle_rscn(struct lpfc_hba * phba)
2477 struct lpfc_nodelist *ndlp;
2479 /* Start timer for RSCN processing */
2480 lpfc_set_disctmo(phba);
2482 /* RSCN processed */
2483 lpfc_printf_log(phba,
2486 "%d:0215 RSCN processed Data: x%x x%x x%x x%x\n",
2488 phba->fc_flag, 0, phba->fc_rscn_id_cnt,
2491 /* To process RSCN, first compare RSCN data with NameServer */
2492 phba->fc_ns_retry = 0;
2493 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, NameServer_DID);
2495 /* Good ndlp, issue CT Request to NameServer */
2496 if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == 0) {
2497 /* Wait for NameServer query cmpl before we can
2502 /* If login to NameServer does not exist, issue one */
2503 /* Good status, issue PLOGI to NameServer */
2504 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
2506 /* Wait for NameServer login cmpl before we can
2510 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
2512 lpfc_els_flush_rscn(phba);
2515 lpfc_nlp_init(phba, ndlp, NameServer_DID);
2516 ndlp->nlp_type |= NLP_FABRIC;
2517 ndlp->nlp_prev_state = ndlp->nlp_state;
2518 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
2519 lpfc_issue_els_plogi(phba, ndlp, 0);
2520 /* Wait for NameServer login cmpl before we can
2526 lpfc_els_flush_rscn(phba);
2531 lpfc_els_rcv_flogi(struct lpfc_hba * phba,
2532 struct lpfc_iocbq * cmdiocb,
2533 struct lpfc_nodelist * ndlp, uint8_t newnode)
2535 struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2536 uint32_t *lp = (uint32_t *) pcmd->virt;
2537 IOCB_t *icmd = &cmdiocb->iocb;
2538 struct serv_parm *sp;
2545 sp = (struct serv_parm *) lp;
2547 /* FLOGI received */
2549 lpfc_set_disctmo(phba);
2551 if (phba->fc_topology == TOPOLOGY_LOOP) {
2552 /* We should never receive a FLOGI in loop mode, ignore it */
2553 did = icmd->un.elsreq64.remoteID;
2555 /* An FLOGI ELS command <elsCmd> was received from DID <did> in
2557 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
2558 "%d:0113 An FLOGI ELS command x%x was received "
2559 "from DID x%x in Loop Mode\n",
2560 phba->brd_no, cmd, did);
2566 if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3))) {
2567 /* For a FLOGI we accept, then if our portname is greater
2568 * then the remote portname we initiate Nport login.
2571 rc = memcmp(&phba->fc_portname, &sp->portName,
2572 sizeof (struct lpfc_name));
2575 if ((mbox = mempool_alloc(phba->mbox_mem_pool,
2576 GFP_KERNEL)) == 0) {
2579 lpfc_linkdown(phba);
2580 lpfc_init_link(phba, mbox,
2582 phba->cfg_link_speed);
2583 mbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
2584 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
2585 rc = lpfc_sli_issue_mbox
2586 (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
2587 if (rc == MBX_NOT_FINISHED) {
2588 mempool_free( mbox, phba->mbox_mem_pool);
2591 } else if (rc > 0) { /* greater than */
2592 spin_lock_irq(phba->host->host_lock);
2593 phba->fc_flag |= FC_PT2PT_PLOGI;
2594 spin_unlock_irq(phba->host->host_lock);
2596 phba->fc_flag |= FC_PT2PT;
2597 phba->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
2599 /* Reject this request because invalid parameters */
2600 stat.un.b.lsRjtRsvd0 = 0;
2601 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
2602 stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
2603 stat.un.b.vendorUnique = 0;
2604 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
2609 lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode);
2615 lpfc_els_rcv_rnid(struct lpfc_hba * phba,
2616 struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp)
2618 struct lpfc_dmabuf *pcmd;
2625 icmd = &cmdiocb->iocb;
2626 did = icmd->un.elsreq64.remoteID;
2627 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2628 lp = (uint32_t *) pcmd->virt;
2635 switch (rn->Format) {
2637 case RNID_TOPOLOGY_DISC:
2639 lpfc_els_rsp_rnid_acc(phba, rn->Format, cmdiocb, ndlp);
2642 /* Reject this request because format not supported */
2643 stat.un.b.lsRjtRsvd0 = 0;
2644 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
2645 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
2646 stat.un.b.vendorUnique = 0;
2647 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
2653 lpfc_els_rcv_lirr(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
2654 struct lpfc_nodelist * ndlp)
2658 /* For now, unconditionally reject this command */
2659 stat.un.b.lsRjtRsvd0 = 0;
2660 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
2661 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
2662 stat.un.b.vendorUnique = 0;
2663 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
2668 lpfc_els_rsp_rps_acc(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
2670 struct lpfc_sli *psli;
2671 struct lpfc_sli_ring *pring;
2676 struct lpfc_iocbq *elsiocb;
2677 struct lpfc_nodelist *ndlp;
2678 uint16_t xri, status;
2682 pring = &psli->ring[LPFC_ELS_RING];
2685 ndlp = (struct lpfc_nodelist *) pmb->context2;
2686 xri = (uint16_t) ((unsigned long)(pmb->context1));
2690 if (mb->mbxStatus) {
2691 mempool_free( pmb, phba->mbox_mem_pool);
2695 cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t);
2696 mempool_free( pmb, phba->mbox_mem_pool);
2697 elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, lpfc_max_els_tries,
2702 icmd = &elsiocb->iocb;
2703 icmd->ulpContext = xri;
2705 pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2706 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
2707 pcmd += sizeof (uint32_t); /* Skip past command */
2708 rps_rsp = (RPS_RSP *)pcmd;
2710 if (phba->fc_topology != TOPOLOGY_LOOP)
2714 if (phba->fc_flag & FC_FABRIC)
2718 rps_rsp->portStatus = be16_to_cpu(status);
2719 rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt);
2720 rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt);
2721 rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt);
2722 rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt);
2723 rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord);
2724 rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt);
2726 /* Xmit ELS RPS ACC response tag <ulpIoTag> */
2727 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
2728 "%d:0128 Xmit ELS RPS ACC response tag x%x "
2729 "Data: x%x x%x x%x x%x x%x\n",
2731 elsiocb->iocb.ulpIoTag,
2732 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
2733 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
2735 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
2736 phba->fc_stat.elsXmitACC++;
2737 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
2738 lpfc_els_free_iocb(phba, elsiocb);
2744 lpfc_els_rcv_rps(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
2745 struct lpfc_nodelist * ndlp)
2750 struct lpfc_dmabuf *pcmd;
2754 if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
2755 (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
2756 stat.un.b.lsRjtRsvd0 = 0;
2757 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
2758 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
2759 stat.un.b.vendorUnique = 0;
2760 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
2763 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2764 lp = (uint32_t *) pcmd->virt;
2765 flag = (be32_to_cpu(*lp++) & 0xf);
2769 ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) ||
2770 ((flag == 2) && (memcmp(&rps->un.portName, &phba->fc_portname,
2771 sizeof (struct lpfc_name)) == 0))) {
2772 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC))) {
2773 lpfc_read_lnk_stat(phba, mbox);
2775 (void *)((unsigned long)cmdiocb->iocb.ulpContext);
2776 mbox->context2 = ndlp;
2777 mbox->mbox_cmpl = lpfc_els_rsp_rps_acc;
2778 if (lpfc_sli_issue_mbox (phba, mbox,
2779 (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) {
2780 /* Mbox completion will send ELS Response */
2783 mempool_free(mbox, phba->mbox_mem_pool);
2786 stat.un.b.lsRjtRsvd0 = 0;
2787 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
2788 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
2789 stat.un.b.vendorUnique = 0;
2790 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
2795 lpfc_els_rsp_rpl_acc(struct lpfc_hba * phba, uint16_t cmdsize,
2796 struct lpfc_iocbq * oldiocb, struct lpfc_nodelist * ndlp)
2801 struct lpfc_iocbq *elsiocb;
2802 struct lpfc_sli_ring *pring;
2803 struct lpfc_sli *psli;
2807 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
2810 lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
2811 ndlp, ELS_CMD_ACC)) == 0) {
2814 icmd = &elsiocb->iocb;
2815 oldcmd = &oldiocb->iocb;
2816 icmd->ulpContext = oldcmd->ulpContext; /* Xri */
2818 pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
2819 *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
2820 pcmd += sizeof (uint16_t);
2821 *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize);
2822 pcmd += sizeof(uint16_t);
2824 /* Setup the RPL ACC payload */
2825 rpl_rsp.listLen = be32_to_cpu(1);
2827 rpl_rsp.port_num_blk.portNum = 0;
2828 rpl_rsp.port_num_blk.portID = be32_to_cpu(phba->fc_myDID);
2829 memcpy(&rpl_rsp.port_num_blk.portName, &phba->fc_portname,
2830 sizeof(struct lpfc_name));
2832 memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t));
2835 /* Xmit ELS RPL ACC response tag <ulpIoTag> */
2836 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
2837 "%d:0128 Xmit ELS RPL ACC response tag x%x "
2838 "Data: x%x x%x x%x x%x x%x\n",
2840 elsiocb->iocb.ulpIoTag,
2841 elsiocb->iocb.ulpContext, ndlp->nlp_DID,
2842 ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi);
2844 elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
2846 phba->fc_stat.elsXmitACC++;
2847 if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
2848 lpfc_els_free_iocb(phba, elsiocb);
2855 lpfc_els_rcv_rpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
2856 struct lpfc_nodelist * ndlp)
2858 struct lpfc_dmabuf *pcmd;
2865 if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
2866 (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
2867 stat.un.b.lsRjtRsvd0 = 0;
2868 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
2869 stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
2870 stat.un.b.vendorUnique = 0;
2871 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp);
2874 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2875 lp = (uint32_t *) pcmd->virt;
2876 rpl = (RPL *) (lp + 1);
2878 maxsize = be32_to_cpu(rpl->maxsize);
2880 /* We support only one port */
2881 if ((rpl->index == 0) &&
2883 ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) {
2884 cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP);
2886 cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t);
2888 lpfc_els_rsp_rpl_acc(phba, cmdsize, cmdiocb, ndlp);
2894 lpfc_els_rcv_farp(struct lpfc_hba * phba,
2895 struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp)
2897 struct lpfc_dmabuf *pcmd;
2901 uint32_t cmd, cnt, did;
2903 icmd = &cmdiocb->iocb;
2904 did = icmd->un.elsreq64.remoteID;
2905 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2906 lp = (uint32_t *) pcmd->virt;
2911 /* FARP-REQ received from DID <did> */
2912 lpfc_printf_log(phba,
2915 "%d:0601 FARP-REQ received from DID x%x\n",
2918 /* We will only support match on WWPN or WWNN */
2919 if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) {
2924 /* If this FARP command is searching for my portname */
2925 if (fp->Mflags & FARP_MATCH_PORT) {
2926 if (memcmp(&fp->RportName, &phba->fc_portname,
2927 sizeof (struct lpfc_name)) == 0)
2931 /* If this FARP command is searching for my nodename */
2932 if (fp->Mflags & FARP_MATCH_NODE) {
2933 if (memcmp(&fp->RnodeName, &phba->fc_nodename,
2934 sizeof (struct lpfc_name)) == 0)
2939 if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) ||
2940 (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) {
2941 /* Log back into the node before sending the FARP. */
2942 if (fp->Rflags & FARP_REQUEST_PLOGI) {
2943 ndlp->nlp_prev_state = ndlp->nlp_state;
2944 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
2945 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
2946 lpfc_issue_els_plogi(phba, ndlp, 0);
2949 /* Send a FARP response to that node */
2950 if (fp->Rflags & FARP_REQUEST_FARPR) {
2951 lpfc_issue_els_farpr(phba, did, 0);
2959 lpfc_els_rcv_farpr(struct lpfc_hba * phba,
2960 struct lpfc_iocbq * cmdiocb, struct lpfc_nodelist * ndlp)
2962 struct lpfc_dmabuf *pcmd;
2967 icmd = &cmdiocb->iocb;
2968 did = icmd->un.elsreq64.remoteID;
2969 pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
2970 lp = (uint32_t *) pcmd->virt;
2973 /* FARP-RSP received from DID <did> */
2974 lpfc_printf_log(phba,
2977 "%d:0600 FARP-RSP received from DID x%x\n",
2980 /* ACCEPT the Farp resp request */
2981 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
2987 lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
2988 struct lpfc_nodelist * fan_ndlp)
2990 struct lpfc_dmabuf *pcmd;
2995 struct lpfc_nodelist *ndlp, *next_ndlp;
2998 lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "%d:265 FAN received\n",
3001 icmd = &cmdiocb->iocb;
3002 did = icmd->un.elsreq64.remoteID;
3003 pcmd = (struct lpfc_dmabuf *)cmdiocb->context2;
3004 lp = (uint32_t *)pcmd->virt;
3009 /* FAN received; Fan does not have a reply sequence */
3011 if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
3012 if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName,
3013 sizeof(struct lpfc_name)) != 0) ||
3014 (memcmp(&phba->fc_fabparam.portName, &fp->FportName,
3015 sizeof(struct lpfc_name)) != 0)) {
3017 * This node has switched fabrics. FLOGI is required
3018 * Clean up the old rpi's
3021 list_for_each_entry_safe(ndlp, next_ndlp,
3022 &phba->fc_npr_list, nlp_listp) {
3024 if (ndlp->nlp_type & NLP_FABRIC) {
3026 * Clean up old Fabric, Nameserver and
3027 * other NLP_FABRIC logins
3029 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
3030 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
3031 /* Fail outstanding I/O now since this
3032 * device is marked for PLOGI
3034 lpfc_unreg_rpi(phba, ndlp);
3038 phba->hba_state = LPFC_FLOGI;
3039 lpfc_set_disctmo(phba);
3040 lpfc_initial_flogi(phba);
3043 /* Discovery not needed,
3044 * move the nodes to their original state.
3046 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
3049 switch (ndlp->nlp_prev_state) {
3050 case NLP_STE_UNMAPPED_NODE:
3051 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
3052 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
3053 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
3056 case NLP_STE_MAPPED_NODE:
3057 ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
3058 ndlp->nlp_state = NLP_STE_MAPPED_NODE;
3059 lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST);
3067 /* Start discovery - this should just do CLEAR_LA */
3068 lpfc_disc_start(phba);
3074 lpfc_els_timeout(unsigned long ptr)
3076 struct lpfc_hba *phba;
3077 unsigned long iflag;
3079 phba = (struct lpfc_hba *)ptr;
3082 spin_lock_irqsave(phba->host->host_lock, iflag);
3083 if (!(phba->work_hba_events & WORKER_ELS_TMO)) {
3084 phba->work_hba_events |= WORKER_ELS_TMO;
3085 if (phba->work_wait)
3086 wake_up(phba->work_wait);
3088 spin_unlock_irqrestore(phba->host->host_lock, iflag);
3093 lpfc_els_timeout_handler(struct lpfc_hba *phba)
3095 struct lpfc_sli_ring *pring;
3096 struct lpfc_iocbq *tmp_iocb, *piocb;
3098 struct lpfc_dmabuf *pcmd;
3099 struct list_head *dlp;
3101 uint32_t els_command;
3107 spin_lock_irq(phba->host->host_lock);
3108 /* If the timer is already canceled do nothing */
3109 if (!(phba->work_hba_events & WORKER_ELS_TMO)) {
3110 spin_unlock_irq(phba->host->host_lock);
3113 timeout = (uint32_t)(phba->fc_ratov << 1);
3115 pring = &phba->sli.ring[LPFC_ELS_RING];
3116 dlp = &pring->txcmplq;
3118 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
3121 if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
3124 pcmd = (struct lpfc_dmabuf *) piocb->context2;
3125 elscmd = (uint32_t *) (pcmd->virt);
3126 els_command = *elscmd;
3128 if ((els_command == ELS_CMD_FARP)
3129 || (els_command == ELS_CMD_FARPR)) {
3133 if (piocb->drvrTimeout > 0) {
3134 if (piocb->drvrTimeout >= timeout) {
3135 piocb->drvrTimeout -= timeout;
3137 piocb->drvrTimeout = 0;
3142 list_del(&piocb->list);
3143 pring->txcmplq_cnt--;
3145 if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) {
3146 struct lpfc_nodelist *ndlp;
3147 spin_unlock_irq(phba->host->host_lock);
3148 ndlp = lpfc_findnode_rpi(phba, cmd->ulpContext);
3149 spin_lock_irq(phba->host->host_lock);
3150 remote_ID = ndlp->nlp_DID;
3151 if (cmd->un.elsreq64.bdl.ulpIoTag32) {
3152 lpfc_sli_issue_abort_iotag32(phba,
3156 remote_ID = cmd->un.elsreq64.remoteID;
3159 lpfc_printf_log(phba,
3162 "%d:0127 ELS timeout Data: x%x x%x x%x x%x\n",
3163 phba->brd_no, els_command,
3164 remote_ID, cmd->ulpCommand, cmd->ulpIoTag);
3167 * The iocb has timed out; abort it.
3169 if (piocb->iocb_cmpl) {
3170 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
3171 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
3172 spin_unlock_irq(phba->host->host_lock);
3173 (piocb->iocb_cmpl) (phba, piocb, piocb);
3174 spin_lock_irq(phba->host->host_lock);
3176 lpfc_sli_release_iocbq(phba, piocb);
3178 if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) {
3179 phba->els_tmofunc.expires = jiffies + HZ * timeout;
3180 add_timer(&phba->els_tmofunc);
3182 spin_unlock_irq(phba->host->host_lock);
3186 lpfc_els_flush_cmd(struct lpfc_hba * phba)
3188 struct lpfc_sli_ring *pring;
3189 struct lpfc_iocbq *tmp_iocb, *piocb;
3191 struct lpfc_dmabuf *pcmd;
3193 uint32_t els_command;
3195 pring = &phba->sli.ring[LPFC_ELS_RING];
3196 spin_lock_irq(phba->host->host_lock);
3197 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) {
3200 if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
3204 /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */
3205 if ((cmd->ulpCommand == CMD_QUE_RING_BUF_CN) ||
3206 (cmd->ulpCommand == CMD_QUE_RING_BUF64_CN) ||
3207 (cmd->ulpCommand == CMD_CLOSE_XRI_CN) ||
3208 (cmd->ulpCommand == CMD_ABORT_XRI_CN)) {
3212 pcmd = (struct lpfc_dmabuf *) piocb->context2;
3213 elscmd = (uint32_t *) (pcmd->virt);
3214 els_command = *elscmd;
3216 list_del(&piocb->list);
3217 pring->txcmplq_cnt--;
3219 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
3220 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
3222 if (piocb->iocb_cmpl) {
3223 spin_unlock_irq(phba->host->host_lock);
3224 (piocb->iocb_cmpl) (phba, piocb, piocb);
3225 spin_lock_irq(phba->host->host_lock);
3227 lpfc_sli_release_iocbq(phba, piocb);
3230 list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
3233 if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
3236 pcmd = (struct lpfc_dmabuf *) piocb->context2;
3237 elscmd = (uint32_t *) (pcmd->virt);
3238 els_command = *elscmd;
3240 list_del(&piocb->list);
3241 pring->txcmplq_cnt--;
3243 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
3244 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
3246 if (piocb->iocb_cmpl) {
3247 spin_unlock_irq(phba->host->host_lock);
3248 (piocb->iocb_cmpl) (phba, piocb, piocb);
3249 spin_lock_irq(phba->host->host_lock);
3251 lpfc_sli_release_iocbq(phba, piocb);
3253 spin_unlock_irq(phba->host->host_lock);
3258 lpfc_els_unsol_event(struct lpfc_hba * phba,
3259 struct lpfc_sli_ring * pring, struct lpfc_iocbq * elsiocb)
3261 struct lpfc_sli *psli;
3262 struct lpfc_nodelist *ndlp;
3263 struct lpfc_dmabuf *mp;
3270 uint32_t drop_cmd = 0; /* by default do NOT drop received cmd */
3271 uint32_t rjt_err = 0;
3274 icmd = &elsiocb->iocb;
3276 if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
3277 ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
3278 /* Not enough posted buffers; Try posting more buffers */
3279 phba->fc_stat.NoRcvBuf++;
3280 lpfc_post_buffer(phba, pring, 0, 1);
3284 /* If there are no BDEs associated with this IOCB,
3285 * there is nothing to do.
3287 if (icmd->ulpBdeCount == 0)
3290 /* type of ELS cmd is first 32bit word in packet */
3291 mp = lpfc_sli_ringpostbuf_get(phba, pring, getPaddr(icmd->un.
3295 cont64[0].addrLow));
3302 lp = (uint32_t *) mp->virt;
3304 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], 1, 1);
3306 if (icmd->ulpStatus) {
3307 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3313 /* Check to see if link went down during discovery */
3314 if (lpfc_els_chk_latt(phba)) {
3315 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3321 did = icmd->un.rcvels.remoteID;
3322 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did);
3324 /* Cannot find existing Fabric ndlp, so allocate a new one */
3325 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
3327 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3333 lpfc_nlp_init(phba, ndlp, did);
3335 if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) {
3336 ndlp->nlp_type |= NLP_FABRIC;
3340 phba->fc_stat.elsRcvFrame++;
3341 elsiocb->context1 = ndlp;
3342 elsiocb->context2 = mp;
3344 if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) {
3345 cmd &= ELS_CMD_MASK;
3347 /* ELS command <elsCmd> received from NPORT <did> */
3348 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
3349 "%d:0112 ELS command x%x received from NPORT x%x "
3350 "Data: x%x\n", phba->brd_no, cmd, did, phba->hba_state);
3354 phba->fc_stat.elsRcvPLOGI++;
3355 if (phba->hba_state < LPFC_DISC_AUTH) {
3359 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PLOGI);
3362 phba->fc_stat.elsRcvFLOGI++;
3363 lpfc_els_rcv_flogi(phba, elsiocb, ndlp, newnode);
3365 mempool_free( ndlp, phba->nlp_mem_pool);
3369 phba->fc_stat.elsRcvLOGO++;
3370 if (phba->hba_state < LPFC_DISC_AUTH) {
3374 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_LOGO);
3377 phba->fc_stat.elsRcvPRLO++;
3378 if (phba->hba_state < LPFC_DISC_AUTH) {
3382 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLO);
3385 phba->fc_stat.elsRcvRSCN++;
3386 lpfc_els_rcv_rscn(phba, elsiocb, ndlp, newnode);
3388 mempool_free( ndlp, phba->nlp_mem_pool);
3392 phba->fc_stat.elsRcvADISC++;
3393 if (phba->hba_state < LPFC_DISC_AUTH) {
3397 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_ADISC);
3400 phba->fc_stat.elsRcvPDISC++;
3401 if (phba->hba_state < LPFC_DISC_AUTH) {
3405 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PDISC);
3408 phba->fc_stat.elsRcvFARPR++;
3409 lpfc_els_rcv_farpr(phba, elsiocb, ndlp);
3412 phba->fc_stat.elsRcvFARP++;
3413 lpfc_els_rcv_farp(phba, elsiocb, ndlp);
3416 phba->fc_stat.elsRcvFAN++;
3417 lpfc_els_rcv_fan(phba, elsiocb, ndlp);
3420 phba->fc_stat.elsRcvPRLI++;
3421 if (phba->hba_state < LPFC_DISC_AUTH) {
3425 lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PRLI);
3428 phba->fc_stat.elsRcvLIRR++;
3429 lpfc_els_rcv_lirr(phba, elsiocb, ndlp);
3431 mempool_free( ndlp, phba->nlp_mem_pool);
3435 phba->fc_stat.elsRcvRPS++;
3436 lpfc_els_rcv_rps(phba, elsiocb, ndlp);
3438 mempool_free( ndlp, phba->nlp_mem_pool);
3442 phba->fc_stat.elsRcvRPL++;
3443 lpfc_els_rcv_rpl(phba, elsiocb, ndlp);
3445 mempool_free( ndlp, phba->nlp_mem_pool);
3449 phba->fc_stat.elsRcvRNID++;
3450 lpfc_els_rcv_rnid(phba, elsiocb, ndlp);
3452 mempool_free( ndlp, phba->nlp_mem_pool);
3456 /* Unsupported ELS command, reject */
3459 /* Unknown ELS command <elsCmd> received from NPORT <did> */
3460 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
3461 "%d:0115 Unknown ELS command x%x received from "
3462 "NPORT x%x\n", phba->brd_no, cmd, did);
3464 mempool_free( ndlp, phba->nlp_mem_pool);
3469 /* check if need to LS_RJT received ELS cmd */
3471 stat.un.b.lsRjtRsvd0 = 0;
3472 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
3473 stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
3474 stat.un.b.vendorUnique = 0;
3475 lpfc_els_rsp_reject(phba, stat.un.lsRjtError, elsiocb, ndlp);
3478 if (elsiocb->context2) {
3479 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3483 /* check if need to drop received ELS cmd */
3484 if (drop_cmd == 1) {
3485 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
3486 "%d:0111 Dropping received ELS cmd "
3487 "Data: x%x x%x x%x\n", phba->brd_no,
3488 icmd->ulpStatus, icmd->un.ulpWord[4],
3490 phba->fc_stat.elsRcvDrop++;