1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2005 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\n",
451 irsp
->ulpStatus
, irsp
->un
.ulpWord
[4]);
456 * The FLogI succeeded. Sync the data for the CPU before
459 prsp
= list_get_first(&pcmd
->list
, struct lpfc_dmabuf
, list
);
461 sp
= prsp
->virt
+ sizeof(uint32_t);
463 /* FLOGI completes successfully */
464 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
465 "%d:0101 FLOGI completes sucessfully "
466 "Data: x%x x%x x%x x%x\n",
468 irsp
->un
.ulpWord
[4], sp
->cmn
.e_d_tov
,
469 sp
->cmn
.w2
.r_a_tov
, sp
->cmn
.edtovResolution
);
471 if (phba
->hba_state
== LPFC_FLOGI
) {
473 * If Common Service Parameters indicate Nport
474 * we are point to point, if Fport we are Fabric.
477 rc
= lpfc_cmpl_els_flogi_fabric(phba
, ndlp
, sp
, irsp
);
479 rc
= lpfc_cmpl_els_flogi_nport(phba
, ndlp
, sp
);
486 lpfc_nlp_remove(phba
, ndlp
);
488 if (irsp
->ulpStatus
!= IOSTAT_LOCAL_REJECT
||
489 (irsp
->un
.ulpWord
[4] != IOERR_SLI_ABORTED
&&
490 irsp
->un
.ulpWord
[4] != IOERR_SLI_DOWN
)) {
491 /* FLOGI failed, so just use loop map to make discovery list */
492 lpfc_disc_list_loopmap(phba
);
494 /* Start discovery */
495 lpfc_disc_start(phba
);
499 lpfc_els_free_iocb(phba
, cmdiocb
);
503 lpfc_issue_els_flogi(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
,
506 struct serv_parm
*sp
;
508 struct lpfc_iocbq
*elsiocb
;
509 struct lpfc_sli_ring
*pring
;
515 pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
517 cmdsize
= (sizeof (uint32_t) + sizeof (struct serv_parm
));
518 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
,
519 ndlp
, ELS_CMD_FLOGI
)) == 0) {
523 icmd
= &elsiocb
->iocb
;
524 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
526 /* For FLOGI request, remainder of payload is service parameters */
527 *((uint32_t *) (pcmd
)) = ELS_CMD_FLOGI
;
528 pcmd
+= sizeof (uint32_t);
529 memcpy(pcmd
, &phba
->fc_sparam
, sizeof (struct serv_parm
));
530 sp
= (struct serv_parm
*) pcmd
;
532 /* Setup CSPs accordingly for Fabric */
534 sp
->cmn
.w2
.r_a_tov
= 0;
535 sp
->cls1
.classValid
= 0;
536 sp
->cls2
.seqDelivery
= 1;
537 sp
->cls3
.seqDelivery
= 1;
538 if (sp
->cmn
.fcphLow
< FC_PH3
)
539 sp
->cmn
.fcphLow
= FC_PH3
;
540 if (sp
->cmn
.fcphHigh
< FC_PH3
)
541 sp
->cmn
.fcphHigh
= FC_PH3
;
543 tmo
= phba
->fc_ratov
;
544 phba
->fc_ratov
= LPFC_DISC_FLOGI_TMO
;
545 lpfc_set_disctmo(phba
);
546 phba
->fc_ratov
= tmo
;
548 phba
->fc_stat
.elsXmitFLOGI
++;
549 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_flogi
;
550 spin_lock_irq(phba
->host
->host_lock
);
551 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
552 spin_unlock_irq(phba
->host
->host_lock
);
553 if (rc
== IOCB_ERROR
) {
554 lpfc_els_free_iocb(phba
, elsiocb
);
561 lpfc_els_abort_flogi(struct lpfc_hba
* phba
)
563 struct lpfc_sli_ring
*pring
;
564 struct lpfc_iocbq
*iocb
, *next_iocb
;
565 struct lpfc_nodelist
*ndlp
;
568 /* Abort outstanding I/O on NPort <nlp_DID> */
569 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
570 "%d:0201 Abort outstanding I/O on NPort x%x\n",
571 phba
->brd_no
, Fabric_DID
);
573 pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
576 * Check the txcmplq for an iocb that matches the nport the driver is
579 spin_lock_irq(phba
->host
->host_lock
);
580 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
) {
582 if (icmd
->ulpCommand
== CMD_ELS_REQUEST64_CR
) {
583 ndlp
= (struct lpfc_nodelist
*)(iocb
->context1
);
584 if (ndlp
&& (ndlp
->nlp_DID
== Fabric_DID
)) {
585 list_del(&iocb
->list
);
586 pring
->txcmplq_cnt
--;
588 if ((icmd
->un
.elsreq64
.bdl
.ulpIoTag32
)) {
589 lpfc_sli_issue_abort_iotag32
592 if (iocb
->iocb_cmpl
) {
593 icmd
->ulpStatus
= IOSTAT_LOCAL_REJECT
;
594 icmd
->un
.ulpWord
[4] =
596 spin_unlock_irq(phba
->host
->host_lock
);
597 (iocb
->iocb_cmpl
) (phba
, iocb
, iocb
);
598 spin_lock_irq(phba
->host
->host_lock
);
600 lpfc_sli_release_iocbq(phba
, iocb
);
604 spin_unlock_irq(phba
->host
->host_lock
);
610 lpfc_initial_flogi(struct lpfc_hba
* phba
)
612 struct lpfc_nodelist
*ndlp
;
614 /* First look for Fabric ndlp on the unmapped list */
617 lpfc_findnode_did(phba
, NLP_SEARCH_UNMAPPED
,
619 /* Cannot find existing Fabric ndlp, so allocate a new one */
620 if ((ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
))
624 lpfc_nlp_init(phba
, ndlp
, Fabric_DID
);
627 phba
->fc_unmap_cnt
--;
628 list_del(&ndlp
->nlp_listp
);
629 spin_lock_irq(phba
->host
->host_lock
);
630 ndlp
->nlp_flag
&= ~NLP_LIST_MASK
;
631 spin_unlock_irq(phba
->host
->host_lock
);
633 if (lpfc_issue_els_flogi(phba
, ndlp
, 0)) {
634 mempool_free( ndlp
, phba
->nlp_mem_pool
);
640 lpfc_more_plogi(struct lpfc_hba
* phba
)
644 if (phba
->num_disc_nodes
)
645 phba
->num_disc_nodes
--;
647 /* Continue discovery with <num_disc_nodes> PLOGIs to go */
648 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
649 "%d:0232 Continue discovery with %d PLOGIs to go "
650 "Data: x%x x%x x%x\n",
651 phba
->brd_no
, phba
->num_disc_nodes
, phba
->fc_plogi_cnt
,
652 phba
->fc_flag
, phba
->hba_state
);
654 /* Check to see if there are more PLOGIs to be sent */
655 if (phba
->fc_flag
& FC_NLP_MORE
) {
656 /* go thru NPR list and issue any remaining ELS PLOGIs */
657 sentplogi
= lpfc_els_disc_plogi(phba
);
663 lpfc_cmpl_els_plogi(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
664 struct lpfc_iocbq
* rspiocb
)
667 struct lpfc_sli
*psli
;
668 struct lpfc_nodelist
*ndlp
;
669 int disc
, rc
, did
, type
;
673 /* we pass cmdiocb to state machine which needs rspiocb as well */
674 cmdiocb
->context_un
.rsp_iocb
= rspiocb
;
676 irsp
= &rspiocb
->iocb
;
677 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
678 spin_lock_irq(phba
->host
->host_lock
);
679 ndlp
->nlp_flag
&= ~NLP_PLOGI_SND
;
680 spin_unlock_irq(phba
->host
->host_lock
);
682 /* Since ndlp can be freed in the disc state machine, note if this node
683 * is being used during discovery.
685 disc
= (ndlp
->nlp_flag
& NLP_NPR_2B_DISC
);
688 /* PLOGI completes to NPort <nlp_DID> */
689 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
690 "%d:0102 PLOGI completes to NPort x%x "
691 "Data: x%x x%x x%x x%x\n",
692 phba
->brd_no
, ndlp
->nlp_DID
, irsp
->ulpStatus
,
693 irsp
->un
.ulpWord
[4], disc
, phba
->num_disc_nodes
);
695 /* Check to see if link went down during discovery */
696 if (lpfc_els_chk_latt(phba
)) {
697 spin_lock_irq(phba
->host
->host_lock
);
698 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
699 spin_unlock_irq(phba
->host
->host_lock
);
703 /* ndlp could be freed in DSM, save these values now */
704 type
= ndlp
->nlp_type
;
707 if (irsp
->ulpStatus
) {
708 /* Check for retry */
709 if (lpfc_els_retry(phba
, cmdiocb
, rspiocb
)) {
710 /* ELS command is being retried */
712 spin_lock_irq(phba
->host
->host_lock
);
713 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
714 spin_unlock_irq(phba
->host
->host_lock
);
720 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
721 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
722 ((irsp
->un
.ulpWord
[4] == IOERR_SLI_ABORTED
) ||
723 (irsp
->un
.ulpWord
[4] == IOERR_SLI_DOWN
))) {
724 disc
= (ndlp
->nlp_flag
& NLP_NPR_2B_DISC
);
727 rc
= lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
731 /* Good status, call state machine */
732 rc
= lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
736 if (type
& NLP_FABRIC
) {
737 /* If we cannot login to Nameserver, kick off discovery now */
738 if ((did
== NameServer_DID
) && (rc
== NLP_STE_FREED_NODE
)) {
739 lpfc_disc_start(phba
);
744 if (disc
&& phba
->num_disc_nodes
) {
745 /* Check to see if there are more PLOGIs to be sent */
746 lpfc_more_plogi(phba
);
749 if (rc
!= NLP_STE_FREED_NODE
) {
750 spin_lock_irq(phba
->host
->host_lock
);
751 ndlp
->nlp_flag
&= ~NLP_NPR_2B_DISC
;
752 spin_unlock_irq(phba
->host
->host_lock
);
755 if (phba
->num_disc_nodes
== 0) {
757 spin_lock_irq(phba
->host
->host_lock
);
758 phba
->fc_flag
&= ~FC_NDISC_ACTIVE
;
759 spin_unlock_irq(phba
->host
->host_lock
);
761 lpfc_can_disctmo(phba
);
762 if (phba
->fc_flag
& FC_RSCN_MODE
) {
763 /* Check to see if more RSCNs came in while we were
764 * processing this one.
766 if ((phba
->fc_rscn_id_cnt
== 0) &&
767 (!(phba
->fc_flag
& FC_RSCN_DISCOVERY
))) {
768 spin_lock_irq(phba
->host
->host_lock
);
769 phba
->fc_flag
&= ~FC_RSCN_MODE
;
770 spin_unlock_irq(phba
->host
->host_lock
);
772 lpfc_els_handle_rscn(phba
);
778 lpfc_els_free_iocb(phba
, cmdiocb
);
783 lpfc_issue_els_plogi(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
,
786 struct serv_parm
*sp
;
788 struct lpfc_iocbq
*elsiocb
;
789 struct lpfc_sli_ring
*pring
;
790 struct lpfc_sli
*psli
;
795 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
797 cmdsize
= (sizeof (uint32_t) + sizeof (struct serv_parm
));
798 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
,
799 ndlp
, ELS_CMD_PLOGI
)) == 0) {
803 icmd
= &elsiocb
->iocb
;
804 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
806 /* For PLOGI request, remainder of payload is service parameters */
807 *((uint32_t *) (pcmd
)) = ELS_CMD_PLOGI
;
808 pcmd
+= sizeof (uint32_t);
809 memcpy(pcmd
, &phba
->fc_sparam
, sizeof (struct serv_parm
));
810 sp
= (struct serv_parm
*) pcmd
;
812 if (sp
->cmn
.fcphLow
< FC_PH_4_3
)
813 sp
->cmn
.fcphLow
= FC_PH_4_3
;
815 if (sp
->cmn
.fcphHigh
< FC_PH3
)
816 sp
->cmn
.fcphHigh
= FC_PH3
;
818 phba
->fc_stat
.elsXmitPLOGI
++;
819 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_plogi
;
820 spin_lock_irq(phba
->host
->host_lock
);
821 ndlp
->nlp_flag
|= NLP_PLOGI_SND
;
822 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
823 ndlp
->nlp_flag
&= ~NLP_PLOGI_SND
;
824 spin_unlock_irq(phba
->host
->host_lock
);
825 lpfc_els_free_iocb(phba
, elsiocb
);
828 spin_unlock_irq(phba
->host
->host_lock
);
833 lpfc_cmpl_els_prli(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
834 struct lpfc_iocbq
* rspiocb
)
837 struct lpfc_sli
*psli
;
838 struct lpfc_nodelist
*ndlp
;
841 /* we pass cmdiocb to state machine which needs rspiocb as well */
842 cmdiocb
->context_un
.rsp_iocb
= rspiocb
;
844 irsp
= &(rspiocb
->iocb
);
845 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
846 spin_lock_irq(phba
->host
->host_lock
);
847 ndlp
->nlp_flag
&= ~NLP_PRLI_SND
;
848 spin_unlock_irq(phba
->host
->host_lock
);
850 /* PRLI completes to NPort <nlp_DID> */
851 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
852 "%d:0103 PRLI completes to NPort x%x "
853 "Data: x%x x%x x%x\n",
854 phba
->brd_no
, ndlp
->nlp_DID
, irsp
->ulpStatus
,
855 irsp
->un
.ulpWord
[4], phba
->num_disc_nodes
);
857 phba
->fc_prli_sent
--;
858 /* Check to see if link went down during discovery */
859 if (lpfc_els_chk_latt(phba
))
862 if (irsp
->ulpStatus
) {
863 /* Check for retry */
864 if (lpfc_els_retry(phba
, cmdiocb
, rspiocb
)) {
865 /* ELS command is being retried */
869 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
870 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
871 ((irsp
->un
.ulpWord
[4] == IOERR_SLI_ABORTED
) ||
872 (irsp
->un
.ulpWord
[4] == IOERR_SLI_DOWN
))) {
876 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
880 /* Good status, call state machine */
881 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
, NLP_EVT_CMPL_PRLI
);
885 lpfc_els_free_iocb(phba
, cmdiocb
);
890 lpfc_issue_els_prli(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
,
895 struct lpfc_iocbq
*elsiocb
;
896 struct lpfc_sli_ring
*pring
;
897 struct lpfc_sli
*psli
;
902 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
904 cmdsize
= (sizeof (uint32_t) + sizeof (PRLI
));
905 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
,
906 ndlp
, ELS_CMD_PRLI
)) == 0) {
910 icmd
= &elsiocb
->iocb
;
911 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
913 /* For PRLI request, remainder of payload is service parameters */
914 memset(pcmd
, 0, (sizeof (PRLI
) + sizeof (uint32_t)));
915 *((uint32_t *) (pcmd
)) = ELS_CMD_PRLI
;
916 pcmd
+= sizeof (uint32_t);
918 /* For PRLI, remainder of payload is PRLI parameter page */
921 * If our firmware version is 3.20 or later,
922 * set the following bits for FC-TAPE support.
924 if (phba
->vpd
.rev
.feaLevelHigh
>= 0x02) {
925 npr
->ConfmComplAllowed
= 1;
927 npr
->TaskRetryIdReq
= 1;
929 npr
->estabImagePair
= 1;
930 npr
->readXferRdyDis
= 1;
932 /* For FCP support */
933 npr
->prliType
= PRLI_FCP_TYPE
;
934 npr
->initiatorFunc
= 1;
936 phba
->fc_stat
.elsXmitPRLI
++;
937 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_prli
;
938 spin_lock_irq(phba
->host
->host_lock
);
939 ndlp
->nlp_flag
|= NLP_PRLI_SND
;
940 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
941 ndlp
->nlp_flag
&= ~NLP_PRLI_SND
;
942 spin_unlock_irq(phba
->host
->host_lock
);
943 lpfc_els_free_iocb(phba
, elsiocb
);
946 spin_unlock_irq(phba
->host
->host_lock
);
947 phba
->fc_prli_sent
++;
952 lpfc_more_adisc(struct lpfc_hba
* phba
)
956 if (phba
->num_disc_nodes
)
957 phba
->num_disc_nodes
--;
959 /* Continue discovery with <num_disc_nodes> ADISCs to go */
960 lpfc_printf_log(phba
, KERN_INFO
, LOG_DISCOVERY
,
961 "%d:0210 Continue discovery with %d ADISCs to go "
962 "Data: x%x x%x x%x\n",
963 phba
->brd_no
, phba
->num_disc_nodes
, phba
->fc_adisc_cnt
,
964 phba
->fc_flag
, phba
->hba_state
);
966 /* Check to see if there are more ADISCs to be sent */
967 if (phba
->fc_flag
& FC_NLP_MORE
) {
968 lpfc_set_disctmo(phba
);
970 /* go thru NPR list and issue any remaining ELS ADISCs */
971 sentadisc
= lpfc_els_disc_adisc(phba
);
977 lpfc_rscn_disc(struct lpfc_hba
* phba
)
980 /* go thru NPR list and issue ELS PLOGIs */
981 if (phba
->fc_npr_cnt
) {
982 if (lpfc_els_disc_plogi(phba
))
985 if (phba
->fc_flag
& FC_RSCN_MODE
) {
986 /* Check to see if more RSCNs came in while we were
987 * processing this one.
989 if ((phba
->fc_rscn_id_cnt
== 0) &&
990 (!(phba
->fc_flag
& FC_RSCN_DISCOVERY
))) {
991 spin_lock_irq(phba
->host
->host_lock
);
992 phba
->fc_flag
&= ~FC_RSCN_MODE
;
993 spin_unlock_irq(phba
->host
->host_lock
);
995 lpfc_els_handle_rscn(phba
);
1001 lpfc_cmpl_els_adisc(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1002 struct lpfc_iocbq
* rspiocb
)
1005 struct lpfc_sli
*psli
;
1006 struct lpfc_nodelist
*ndlp
;
1012 /* we pass cmdiocb to state machine which needs rspiocb as well */
1013 cmdiocb
->context_un
.rsp_iocb
= rspiocb
;
1015 irsp
= &(rspiocb
->iocb
);
1016 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
1017 spin_lock_irq(phba
->host
->host_lock
);
1018 ndlp
->nlp_flag
&= ~NLP_ADISC_SND
;
1019 spin_unlock_irq(phba
->host
->host_lock
);
1021 /* Since ndlp can be freed in the disc state machine, note if this node
1022 * is being used during discovery.
1024 disc
= (ndlp
->nlp_flag
& NLP_NPR_2B_DISC
);
1026 /* ADISC completes to NPort <nlp_DID> */
1027 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1028 "%d:0104 ADISC completes to NPort x%x "
1029 "Data: x%x x%x x%x x%x\n",
1030 phba
->brd_no
, ndlp
->nlp_DID
, irsp
->ulpStatus
,
1031 irsp
->un
.ulpWord
[4], disc
, phba
->num_disc_nodes
);
1033 /* Check to see if link went down during discovery */
1034 if (lpfc_els_chk_latt(phba
)) {
1035 spin_lock_irq(phba
->host
->host_lock
);
1036 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
1037 spin_unlock_irq(phba
->host
->host_lock
);
1041 if (irsp
->ulpStatus
) {
1042 /* Check for retry */
1043 if (lpfc_els_retry(phba
, cmdiocb
, rspiocb
)) {
1044 /* ELS command is being retried */
1046 spin_lock_irq(phba
->host
->host_lock
);
1047 ndlp
->nlp_flag
|= NLP_NPR_2B_DISC
;
1048 spin_unlock_irq(phba
->host
->host_lock
);
1049 lpfc_set_disctmo(phba
);
1054 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
1055 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
1056 ((irsp
->un
.ulpWord
[4] == IOERR_SLI_ABORTED
) ||
1057 (irsp
->un
.ulpWord
[4] == IOERR_SLI_DOWN
))) {
1058 disc
= (ndlp
->nlp_flag
& NLP_NPR_2B_DISC
);
1061 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
1062 NLP_EVT_CMPL_ADISC
);
1065 /* Good status, call state machine */
1066 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
1067 NLP_EVT_CMPL_ADISC
);
1070 if (disc
&& phba
->num_disc_nodes
) {
1071 /* Check to see if there are more ADISCs to be sent */
1072 lpfc_more_adisc(phba
);
1074 /* Check to see if we are done with ADISC authentication */
1075 if (phba
->num_disc_nodes
== 0) {
1076 lpfc_can_disctmo(phba
);
1077 /* If we get here, there is nothing left to wait for */
1078 if ((phba
->hba_state
< LPFC_HBA_READY
) &&
1079 (phba
->hba_state
!= LPFC_CLEAR_LA
)) {
1080 /* Link up discovery */
1081 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
,
1083 phba
->hba_state
= LPFC_CLEAR_LA
;
1084 lpfc_clear_la(phba
, mbox
);
1086 lpfc_mbx_cmpl_clear_la
;
1087 rc
= lpfc_sli_issue_mbox
1089 (MBX_NOWAIT
| MBX_STOP_IOCB
));
1090 if (rc
== MBX_NOT_FINISHED
) {
1092 phba
->mbox_mem_pool
);
1093 lpfc_disc_flush_list(phba
);
1094 psli
->ring
[(psli
->ip_ring
)].
1096 ~LPFC_STOP_IOCB_EVENT
;
1097 psli
->ring
[(psli
->fcp_ring
)].
1099 ~LPFC_STOP_IOCB_EVENT
;
1100 psli
->ring
[(psli
->next_ring
)].
1102 ~LPFC_STOP_IOCB_EVENT
;
1108 lpfc_rscn_disc(phba
);
1112 spin_lock_irq(phba
->host
->host_lock
);
1113 ndlp
->nlp_flag
&= ~NLP_NPR_2B_DISC
;
1114 spin_unlock_irq(phba
->host
->host_lock
);
1116 lpfc_els_free_iocb(phba
, cmdiocb
);
1121 lpfc_issue_els_adisc(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
,
1126 struct lpfc_iocbq
*elsiocb
;
1127 struct lpfc_sli_ring
*pring
;
1128 struct lpfc_sli
*psli
;
1133 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
1135 cmdsize
= (sizeof (uint32_t) + sizeof (ADISC
));
1136 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
,
1137 ndlp
, ELS_CMD_ADISC
)) == 0) {
1141 icmd
= &elsiocb
->iocb
;
1142 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1144 /* For ADISC request, remainder of payload is service parameters */
1145 *((uint32_t *) (pcmd
)) = ELS_CMD_ADISC
;
1146 pcmd
+= sizeof (uint32_t);
1148 /* Fill in ADISC payload */
1149 ap
= (ADISC
*) pcmd
;
1150 ap
->hardAL_PA
= phba
->fc_pref_ALPA
;
1151 memcpy(&ap
->portName
, &phba
->fc_portname
, sizeof (struct lpfc_name
));
1152 memcpy(&ap
->nodeName
, &phba
->fc_nodename
, sizeof (struct lpfc_name
));
1153 ap
->DID
= be32_to_cpu(phba
->fc_myDID
);
1155 phba
->fc_stat
.elsXmitADISC
++;
1156 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_adisc
;
1157 spin_lock_irq(phba
->host
->host_lock
);
1158 ndlp
->nlp_flag
|= NLP_ADISC_SND
;
1159 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
1160 ndlp
->nlp_flag
&= ~NLP_ADISC_SND
;
1161 spin_unlock_irq(phba
->host
->host_lock
);
1162 lpfc_els_free_iocb(phba
, elsiocb
);
1165 spin_unlock_irq(phba
->host
->host_lock
);
1170 lpfc_cmpl_els_logo(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1171 struct lpfc_iocbq
* rspiocb
)
1174 struct lpfc_sli
*psli
;
1175 struct lpfc_nodelist
*ndlp
;
1178 /* we pass cmdiocb to state machine which needs rspiocb as well */
1179 cmdiocb
->context_un
.rsp_iocb
= rspiocb
;
1181 irsp
= &(rspiocb
->iocb
);
1182 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
1183 spin_lock_irq(phba
->host
->host_lock
);
1184 ndlp
->nlp_flag
&= ~NLP_LOGO_SND
;
1185 spin_unlock_irq(phba
->host
->host_lock
);
1187 /* LOGO completes to NPort <nlp_DID> */
1188 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1189 "%d:0105 LOGO completes to NPort x%x "
1190 "Data: x%x x%x x%x\n",
1191 phba
->brd_no
, ndlp
->nlp_DID
, irsp
->ulpStatus
,
1192 irsp
->un
.ulpWord
[4], phba
->num_disc_nodes
);
1194 /* Check to see if link went down during discovery */
1195 if (lpfc_els_chk_latt(phba
))
1198 if (irsp
->ulpStatus
) {
1199 /* Check for retry */
1200 if (lpfc_els_retry(phba
, cmdiocb
, rspiocb
)) {
1201 /* ELS command is being retried */
1205 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
1206 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
1207 ((irsp
->un
.ulpWord
[4] == IOERR_SLI_ABORTED
) ||
1208 (irsp
->un
.ulpWord
[4] == IOERR_SLI_DOWN
))) {
1212 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
,
1216 /* Good status, call state machine */
1217 lpfc_disc_state_machine(phba
, ndlp
, cmdiocb
, NLP_EVT_CMPL_LOGO
);
1219 if (ndlp
->nlp_flag
& NLP_DELAY_TMO
) {
1220 lpfc_unreg_rpi(phba
, ndlp
);
1225 lpfc_els_free_iocb(phba
, cmdiocb
);
1230 lpfc_issue_els_logo(struct lpfc_hba
* phba
, struct lpfc_nodelist
* ndlp
,
1234 struct lpfc_iocbq
*elsiocb
;
1235 struct lpfc_sli_ring
*pring
;
1236 struct lpfc_sli
*psli
;
1241 pring
= &psli
->ring
[LPFC_ELS_RING
];
1243 cmdsize
= 2 * (sizeof (uint32_t) + sizeof (struct lpfc_name
));
1244 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
,
1245 ndlp
, ELS_CMD_LOGO
)) == 0) {
1249 icmd
= &elsiocb
->iocb
;
1250 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1251 *((uint32_t *) (pcmd
)) = ELS_CMD_LOGO
;
1252 pcmd
+= sizeof (uint32_t);
1254 /* Fill in LOGO payload */
1255 *((uint32_t *) (pcmd
)) = be32_to_cpu(phba
->fc_myDID
);
1256 pcmd
+= sizeof (uint32_t);
1257 memcpy(pcmd
, &phba
->fc_portname
, sizeof (struct lpfc_name
));
1259 phba
->fc_stat
.elsXmitLOGO
++;
1260 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_logo
;
1261 spin_lock_irq(phba
->host
->host_lock
);
1262 ndlp
->nlp_flag
|= NLP_LOGO_SND
;
1263 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
1264 ndlp
->nlp_flag
&= ~NLP_LOGO_SND
;
1265 spin_unlock_irq(phba
->host
->host_lock
);
1266 lpfc_els_free_iocb(phba
, elsiocb
);
1269 spin_unlock_irq(phba
->host
->host_lock
);
1274 lpfc_cmpl_els_cmd(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1275 struct lpfc_iocbq
* rspiocb
)
1279 irsp
= &rspiocb
->iocb
;
1281 /* ELS cmd tag <ulpIoTag> completes */
1282 lpfc_printf_log(phba
,
1285 "%d:0106 ELS cmd tag x%x completes Data: x%x x%x\n",
1287 irsp
->ulpIoTag
, irsp
->ulpStatus
, irsp
->un
.ulpWord
[4]);
1289 /* Check to see if link went down during discovery */
1290 lpfc_els_chk_latt(phba
);
1291 lpfc_els_free_iocb(phba
, cmdiocb
);
1296 lpfc_issue_els_scr(struct lpfc_hba
* phba
, uint32_t nportid
, uint8_t retry
)
1299 struct lpfc_iocbq
*elsiocb
;
1300 struct lpfc_sli_ring
*pring
;
1301 struct lpfc_sli
*psli
;
1304 struct lpfc_nodelist
*ndlp
;
1307 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
1308 cmdsize
= (sizeof (uint32_t) + sizeof (SCR
));
1309 if ((ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
)) == 0) {
1313 lpfc_nlp_init(phba
, ndlp
, nportid
);
1315 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
,
1316 ndlp
, ELS_CMD_SCR
)) == 0) {
1317 mempool_free( ndlp
, phba
->nlp_mem_pool
);
1321 icmd
= &elsiocb
->iocb
;
1322 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1324 *((uint32_t *) (pcmd
)) = ELS_CMD_SCR
;
1325 pcmd
+= sizeof (uint32_t);
1327 /* For SCR, remainder of payload is SCR parameter page */
1328 memset(pcmd
, 0, sizeof (SCR
));
1329 ((SCR
*) pcmd
)->Function
= SCR_FUNC_FULL
;
1331 phba
->fc_stat
.elsXmitSCR
++;
1332 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_cmd
;
1333 spin_lock_irq(phba
->host
->host_lock
);
1334 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
1335 spin_unlock_irq(phba
->host
->host_lock
);
1336 mempool_free( ndlp
, phba
->nlp_mem_pool
);
1337 lpfc_els_free_iocb(phba
, elsiocb
);
1340 spin_unlock_irq(phba
->host
->host_lock
);
1341 mempool_free( ndlp
, phba
->nlp_mem_pool
);
1346 lpfc_issue_els_farpr(struct lpfc_hba
* phba
, uint32_t nportid
, uint8_t retry
)
1349 struct lpfc_iocbq
*elsiocb
;
1350 struct lpfc_sli_ring
*pring
;
1351 struct lpfc_sli
*psli
;
1356 struct lpfc_nodelist
*ondlp
;
1357 struct lpfc_nodelist
*ndlp
;
1360 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
1361 cmdsize
= (sizeof (uint32_t) + sizeof (FARP
));
1362 if ((ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
)) == 0) {
1365 lpfc_nlp_init(phba
, ndlp
, nportid
);
1367 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 1, cmdsize
, retry
,
1368 ndlp
, ELS_CMD_RNID
)) == 0) {
1369 mempool_free( ndlp
, phba
->nlp_mem_pool
);
1373 icmd
= &elsiocb
->iocb
;
1374 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1376 *((uint32_t *) (pcmd
)) = ELS_CMD_FARPR
;
1377 pcmd
+= sizeof (uint32_t);
1379 /* Fill in FARPR payload */
1380 fp
= (FARP
*) (pcmd
);
1381 memset(fp
, 0, sizeof (FARP
));
1382 lp
= (uint32_t *) pcmd
;
1383 *lp
++ = be32_to_cpu(nportid
);
1384 *lp
++ = be32_to_cpu(phba
->fc_myDID
);
1386 fp
->Mflags
= (FARP_MATCH_PORT
| FARP_MATCH_NODE
);
1388 memcpy(&fp
->RportName
, &phba
->fc_portname
, sizeof (struct lpfc_name
));
1389 memcpy(&fp
->RnodeName
, &phba
->fc_nodename
, sizeof (struct lpfc_name
));
1390 if ((ondlp
= lpfc_findnode_did(phba
, NLP_SEARCH_ALL
, nportid
))) {
1391 memcpy(&fp
->OportName
, &ondlp
->nlp_portname
,
1392 sizeof (struct lpfc_name
));
1393 memcpy(&fp
->OnodeName
, &ondlp
->nlp_nodename
,
1394 sizeof (struct lpfc_name
));
1397 phba
->fc_stat
.elsXmitFARPR
++;
1398 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_cmd
;
1399 spin_lock_irq(phba
->host
->host_lock
);
1400 if (lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0) == IOCB_ERROR
) {
1401 spin_unlock_irq(phba
->host
->host_lock
);
1402 mempool_free( ndlp
, phba
->nlp_mem_pool
);
1403 lpfc_els_free_iocb(phba
, elsiocb
);
1406 spin_unlock_irq(phba
->host
->host_lock
);
1407 mempool_free( ndlp
, phba
->nlp_mem_pool
);
1412 lpfc_els_retry_delay(unsigned long ptr
)
1414 struct lpfc_nodelist
*ndlp
;
1415 struct lpfc_hba
*phba
;
1416 unsigned long iflag
;
1417 struct lpfc_work_evt
*evtp
;
1419 ndlp
= (struct lpfc_nodelist
*)ptr
;
1420 phba
= ndlp
->nlp_phba
;
1421 evtp
= &ndlp
->els_retry_evt
;
1423 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
1424 if (!list_empty(&evtp
->evt_listp
)) {
1425 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1429 evtp
->evt_arg1
= ndlp
;
1430 evtp
->evt
= LPFC_EVT_ELS_RETRY
;
1431 list_add_tail(&evtp
->evt_listp
, &phba
->work_list
);
1432 if (phba
->work_wait
)
1433 wake_up(phba
->work_wait
);
1435 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
1440 lpfc_els_retry_delay_handler(struct lpfc_nodelist
*ndlp
)
1442 struct lpfc_hba
*phba
;
1447 phba
= ndlp
->nlp_phba
;
1448 spin_lock_irq(phba
->host
->host_lock
);
1449 did
= (uint32_t) (ndlp
->nlp_DID
);
1450 cmd
= (uint32_t) (ndlp
->nlp_last_elscmd
);
1452 if (!(ndlp
->nlp_flag
& NLP_DELAY_TMO
)) {
1453 spin_unlock_irq(phba
->host
->host_lock
);
1457 ndlp
->nlp_flag
&= ~NLP_DELAY_TMO
;
1458 spin_unlock_irq(phba
->host
->host_lock
);
1459 retry
= ndlp
->nlp_retry
;
1463 lpfc_issue_els_flogi(phba
, ndlp
, retry
);
1466 ndlp
->nlp_state
= NLP_STE_PLOGI_ISSUE
;
1467 lpfc_nlp_list(phba
, ndlp
, NLP_PLOGI_LIST
);
1468 lpfc_issue_els_plogi(phba
, ndlp
, retry
);
1471 ndlp
->nlp_state
= NLP_STE_ADISC_ISSUE
;
1472 lpfc_nlp_list(phba
, ndlp
, NLP_ADISC_LIST
);
1473 lpfc_issue_els_adisc(phba
, ndlp
, retry
);
1476 ndlp
->nlp_state
= NLP_STE_PRLI_ISSUE
;
1477 lpfc_nlp_list(phba
, ndlp
, NLP_PRLI_LIST
);
1478 lpfc_issue_els_prli(phba
, ndlp
, retry
);
1481 ndlp
->nlp_state
= NLP_STE_NPR_NODE
;
1482 lpfc_nlp_list(phba
, ndlp
, NLP_NPR_LIST
);
1483 lpfc_issue_els_logo(phba
, ndlp
, retry
);
1490 lpfc_els_retry(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1491 struct lpfc_iocbq
* rspiocb
)
1494 struct lpfc_dmabuf
*pcmd
;
1495 struct lpfc_nodelist
*ndlp
;
1498 int retry
, maxretry
;
1504 maxretry
= lpfc_max_els_tries
;
1505 irsp
= &rspiocb
->iocb
;
1506 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
1507 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
1509 /* Note: context2 may be 0 for internal driver abort
1510 * of delays ELS command.
1513 if (pcmd
&& pcmd
->virt
) {
1514 elscmd
= (uint32_t *) (pcmd
->virt
);
1518 switch (irsp
->ulpStatus
) {
1519 case IOSTAT_FCP_RSP_ERROR
:
1520 case IOSTAT_REMOTE_STOP
:
1523 case IOSTAT_LOCAL_REJECT
:
1524 switch ((irsp
->un
.ulpWord
[4] & 0xff)) {
1525 case IOERR_LOOP_OPEN_FAILURE
:
1526 if (cmd
== ELS_CMD_PLOGI
) {
1527 if (cmdiocb
->retry
== 0) {
1534 case IOERR_SEQUENCE_TIMEOUT
:
1536 if ((cmd
== ELS_CMD_FLOGI
)
1537 && (phba
->fc_topology
!= TOPOLOGY_LOOP
)) {
1543 case IOERR_NO_RESOURCES
:
1544 if (cmd
== ELS_CMD_PLOGI
) {
1550 case IOERR_INVALID_RPI
:
1556 case IOSTAT_NPORT_RJT
:
1557 case IOSTAT_FABRIC_RJT
:
1558 if (irsp
->un
.ulpWord
[4] & RJT_UNAVAIL_TEMP
) {
1564 case IOSTAT_NPORT_BSY
:
1565 case IOSTAT_FABRIC_BSY
:
1570 stat
.un
.lsRjtError
= be32_to_cpu(irsp
->un
.ulpWord
[4]);
1571 /* Added for Vendor specifc support
1572 * Just keep retrying for these Rsn / Exp codes
1574 switch (stat
.un
.b
.lsRjtRsnCode
) {
1575 case LSRJT_UNABLE_TPC
:
1576 if (stat
.un
.b
.lsRjtRsnCodeExp
==
1577 LSEXP_CMD_IN_PROGRESS
) {
1578 if (cmd
== ELS_CMD_PLOGI
) {
1585 if (cmd
== ELS_CMD_PLOGI
) {
1587 maxretry
= lpfc_max_els_tries
+ 1;
1593 case LSRJT_LOGICAL_BSY
:
1594 if (cmd
== ELS_CMD_PLOGI
) {
1603 case IOSTAT_INTERMED_RSP
:
1611 if (ndlp
->nlp_DID
== FDMI_DID
) {
1615 if ((++cmdiocb
->retry
) >= maxretry
) {
1616 phba
->fc_stat
.elsRetryExceeded
++;
1622 /* Retry ELS command <elsCmd> to remote NPORT <did> */
1623 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1624 "%d:0107 Retry ELS command x%x to remote "
1625 "NPORT x%x Data: x%x x%x\n",
1627 cmd
, ndlp
->nlp_DID
, cmdiocb
->retry
, delay
);
1629 if ((cmd
== ELS_CMD_PLOGI
) || (cmd
== ELS_CMD_ADISC
)) {
1630 /* If discovery / RSCN timer is running, reset it */
1631 if (timer_pending(&phba
->fc_disctmo
) ||
1632 (phba
->fc_flag
& FC_RSCN_MODE
)) {
1633 lpfc_set_disctmo(phba
);
1637 phba
->fc_stat
.elsXmitRetry
++;
1639 phba
->fc_stat
.elsDelayRetry
++;
1640 ndlp
->nlp_retry
= cmdiocb
->retry
;
1642 mod_timer(&ndlp
->nlp_delayfunc
, jiffies
+ HZ
);
1643 ndlp
->nlp_flag
|= NLP_DELAY_TMO
;
1645 ndlp
->nlp_state
= NLP_STE_NPR_NODE
;
1646 lpfc_nlp_list(phba
, ndlp
, NLP_NPR_LIST
);
1647 ndlp
->nlp_last_elscmd
= cmd
;
1653 lpfc_issue_els_flogi(phba
, ndlp
, cmdiocb
->retry
);
1656 ndlp
->nlp_state
= NLP_STE_PLOGI_ISSUE
;
1657 lpfc_nlp_list(phba
, ndlp
, NLP_PLOGI_LIST
);
1658 lpfc_issue_els_plogi(phba
, ndlp
, cmdiocb
->retry
);
1661 ndlp
->nlp_state
= NLP_STE_ADISC_ISSUE
;
1662 lpfc_nlp_list(phba
, ndlp
, NLP_ADISC_LIST
);
1663 lpfc_issue_els_adisc(phba
, ndlp
, cmdiocb
->retry
);
1666 ndlp
->nlp_state
= NLP_STE_PRLI_ISSUE
;
1667 lpfc_nlp_list(phba
, ndlp
, NLP_PRLI_LIST
);
1668 lpfc_issue_els_prli(phba
, ndlp
, cmdiocb
->retry
);
1671 ndlp
->nlp_state
= NLP_STE_NPR_NODE
;
1672 lpfc_nlp_list(phba
, ndlp
, NLP_NPR_LIST
);
1673 lpfc_issue_els_logo(phba
, ndlp
, cmdiocb
->retry
);
1678 /* No retry ELS command <elsCmd> to remote NPORT <did> */
1679 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1680 "%d:0108 No retry ELS command x%x to remote NPORT x%x "
1683 cmd
, ndlp
->nlp_DID
, cmdiocb
->retry
, ndlp
->nlp_flag
);
1689 lpfc_els_free_iocb(struct lpfc_hba
* phba
, struct lpfc_iocbq
* elsiocb
)
1691 struct lpfc_dmabuf
*buf_ptr
, *buf_ptr1
;
1693 /* context2 = cmd, context2->next = rsp, context3 = bpl */
1694 if (elsiocb
->context2
) {
1695 buf_ptr1
= (struct lpfc_dmabuf
*) elsiocb
->context2
;
1696 /* Free the response before processing the command. */
1697 if (!list_empty(&buf_ptr1
->list
)) {
1698 list_remove_head(&buf_ptr1
->list
, buf_ptr
,
1701 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1704 lpfc_mbuf_free(phba
, buf_ptr1
->virt
, buf_ptr1
->phys
);
1708 if (elsiocb
->context3
) {
1709 buf_ptr
= (struct lpfc_dmabuf
*) elsiocb
->context3
;
1710 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
1713 spin_lock_irq(phba
->host
->host_lock
);
1714 lpfc_sli_release_iocbq(phba
, elsiocb
);
1715 spin_unlock_irq(phba
->host
->host_lock
);
1720 lpfc_cmpl_els_logo_acc(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1721 struct lpfc_iocbq
* rspiocb
)
1723 struct lpfc_nodelist
*ndlp
;
1725 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
1727 /* ACC to LOGO completes to NPort <nlp_DID> */
1728 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1729 "%d:0109 ACC to LOGO completes to NPort x%x "
1730 "Data: x%x x%x x%x\n",
1731 phba
->brd_no
, ndlp
->nlp_DID
, ndlp
->nlp_flag
,
1732 ndlp
->nlp_state
, ndlp
->nlp_rpi
);
1734 spin_lock_irq(phba
->host
->host_lock
);
1735 ndlp
->nlp_flag
&= ~NLP_LOGO_ACC
;
1736 spin_unlock_irq(phba
->host
->host_lock
);
1738 switch (ndlp
->nlp_state
) {
1739 case NLP_STE_UNUSED_NODE
: /* node is just allocated */
1740 lpfc_nlp_list(phba
, ndlp
, NLP_NO_LIST
);
1742 case NLP_STE_NPR_NODE
: /* NPort Recovery mode */
1743 lpfc_unreg_rpi(phba
, ndlp
);
1748 lpfc_els_free_iocb(phba
, cmdiocb
);
1753 lpfc_cmpl_els_acc(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
1754 struct lpfc_iocbq
* rspiocb
)
1756 struct lpfc_nodelist
*ndlp
;
1757 LPFC_MBOXQ_t
*mbox
= NULL
;
1759 ndlp
= (struct lpfc_nodelist
*) cmdiocb
->context1
;
1760 if (cmdiocb
->context_un
.mbox
)
1761 mbox
= cmdiocb
->context_un
.mbox
;
1764 /* Check to see if link went down during discovery */
1765 if ((lpfc_els_chk_latt(phba
)) || !ndlp
) {
1767 mempool_free( mbox
, phba
->mbox_mem_pool
);
1772 /* ELS response tag <ulpIoTag> completes */
1773 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1774 "%d:0110 ELS response tag x%x completes "
1775 "Data: x%x x%x x%x x%x x%x x%x\n",
1777 cmdiocb
->iocb
.ulpIoTag
, rspiocb
->iocb
.ulpStatus
,
1778 rspiocb
->iocb
.un
.ulpWord
[4], ndlp
->nlp_DID
,
1779 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
1782 if ((rspiocb
->iocb
.ulpStatus
== 0)
1783 && (ndlp
->nlp_flag
& NLP_ACC_REGLOGIN
)) {
1784 /* set_slim mailbox command needs to execute first,
1785 * queue this command to be processed later.
1787 lpfc_unreg_rpi(phba
, ndlp
);
1788 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_reg_login
;
1789 mbox
->context2
= ndlp
;
1790 ndlp
->nlp_state
= NLP_STE_REG_LOGIN_ISSUE
;
1791 lpfc_nlp_list(phba
, ndlp
, NLP_REGLOGIN_LIST
);
1792 if (lpfc_sli_issue_mbox(phba
, mbox
,
1793 (MBX_NOWAIT
| MBX_STOP_IOCB
))
1794 != MBX_NOT_FINISHED
) {
1797 /* NOTE: we should have messages for unsuccessful
1799 mempool_free( mbox
, phba
->mbox_mem_pool
);
1801 mempool_free( mbox
, phba
->mbox_mem_pool
);
1802 if (ndlp
->nlp_flag
& NLP_ACC_REGLOGIN
) {
1803 lpfc_nlp_list(phba
, ndlp
, NLP_NO_LIST
);
1809 spin_lock_irq(phba
->host
->host_lock
);
1810 ndlp
->nlp_flag
&= ~NLP_ACC_REGLOGIN
;
1811 spin_unlock_irq(phba
->host
->host_lock
);
1813 lpfc_els_free_iocb(phba
, cmdiocb
);
1818 lpfc_els_rsp_acc(struct lpfc_hba
* phba
, uint32_t flag
,
1819 struct lpfc_iocbq
* oldiocb
, struct lpfc_nodelist
* ndlp
,
1820 LPFC_MBOXQ_t
* mbox
, uint8_t newnode
)
1824 struct lpfc_iocbq
*elsiocb
;
1825 struct lpfc_sli_ring
*pring
;
1826 struct lpfc_sli
*psli
;
1832 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
1833 oldcmd
= &oldiocb
->iocb
;
1837 cmdsize
= sizeof (uint32_t);
1839 lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
1840 ndlp
, ELS_CMD_ACC
)) == 0) {
1843 icmd
= &elsiocb
->iocb
;
1844 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
1845 pcmd
= (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1846 *((uint32_t *) (pcmd
)) = ELS_CMD_ACC
;
1847 pcmd
+= sizeof (uint32_t);
1850 cmdsize
= (sizeof (struct serv_parm
) + sizeof (uint32_t));
1852 lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
1853 ndlp
, ELS_CMD_ACC
)) == 0) {
1856 icmd
= &elsiocb
->iocb
;
1857 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
1858 pcmd
= (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1861 elsiocb
->context_un
.mbox
= mbox
;
1863 *((uint32_t *) (pcmd
)) = ELS_CMD_ACC
;
1864 pcmd
+= sizeof (uint32_t);
1865 memcpy(pcmd
, &phba
->fc_sparam
, sizeof (struct serv_parm
));
1872 elsiocb
->context1
= NULL
;
1874 /* Xmit ELS ACC response tag <ulpIoTag> */
1875 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1876 "%d:0128 Xmit ELS ACC response tag x%x "
1877 "Data: x%x x%x x%x x%x x%x\n",
1879 elsiocb
->iocb
.ulpIoTag
,
1880 elsiocb
->iocb
.ulpContext
, ndlp
->nlp_DID
,
1881 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
1883 if (ndlp
->nlp_flag
& NLP_LOGO_ACC
) {
1884 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_logo_acc
;
1886 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
1889 phba
->fc_stat
.elsXmitACC
++;
1890 spin_lock_irq(phba
->host
->host_lock
);
1891 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
1892 spin_unlock_irq(phba
->host
->host_lock
);
1893 if (rc
== IOCB_ERROR
) {
1894 lpfc_els_free_iocb(phba
, elsiocb
);
1901 lpfc_els_rsp_reject(struct lpfc_hba
* phba
, uint32_t rejectError
,
1902 struct lpfc_iocbq
* oldiocb
, struct lpfc_nodelist
* ndlp
)
1906 struct lpfc_iocbq
*elsiocb
;
1907 struct lpfc_sli_ring
*pring
;
1908 struct lpfc_sli
*psli
;
1914 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
1916 cmdsize
= 2 * sizeof (uint32_t);
1917 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
1918 ndlp
, ELS_CMD_LS_RJT
)) == 0) {
1922 icmd
= &elsiocb
->iocb
;
1923 oldcmd
= &oldiocb
->iocb
;
1924 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
1925 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1927 *((uint32_t *) (pcmd
)) = ELS_CMD_LS_RJT
;
1928 pcmd
+= sizeof (uint32_t);
1929 *((uint32_t *) (pcmd
)) = rejectError
;
1931 /* Xmit ELS RJT <err> response tag <ulpIoTag> */
1932 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1933 "%d:0129 Xmit ELS RJT x%x response tag x%x "
1934 "Data: x%x x%x x%x x%x x%x\n",
1936 rejectError
, elsiocb
->iocb
.ulpIoTag
,
1937 elsiocb
->iocb
.ulpContext
, ndlp
->nlp_DID
,
1938 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
1940 phba
->fc_stat
.elsXmitLSRJT
++;
1941 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
1942 spin_lock_irq(phba
->host
->host_lock
);
1943 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
1944 spin_unlock_irq(phba
->host
->host_lock
);
1945 if (rc
== IOCB_ERROR
) {
1946 lpfc_els_free_iocb(phba
, elsiocb
);
1953 lpfc_els_rsp_adisc_acc(struct lpfc_hba
* phba
,
1954 struct lpfc_iocbq
* oldiocb
, struct lpfc_nodelist
* ndlp
)
1959 struct lpfc_iocbq
*elsiocb
;
1960 struct lpfc_sli_ring
*pring
;
1961 struct lpfc_sli
*psli
;
1967 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
1969 cmdsize
= sizeof (uint32_t) + sizeof (ADISC
);
1970 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
1971 ndlp
, ELS_CMD_ACC
)) == 0) {
1975 /* Xmit ADISC ACC response tag <ulpIoTag> */
1976 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
1977 "%d:0130 Xmit ADISC ACC response tag x%x "
1978 "Data: x%x x%x x%x x%x x%x\n",
1980 elsiocb
->iocb
.ulpIoTag
,
1981 elsiocb
->iocb
.ulpContext
, ndlp
->nlp_DID
,
1982 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
1984 icmd
= &elsiocb
->iocb
;
1985 oldcmd
= &oldiocb
->iocb
;
1986 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
1987 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
1989 *((uint32_t *) (pcmd
)) = ELS_CMD_ACC
;
1990 pcmd
+= sizeof (uint32_t);
1992 ap
= (ADISC
*) (pcmd
);
1993 ap
->hardAL_PA
= phba
->fc_pref_ALPA
;
1994 memcpy(&ap
->portName
, &phba
->fc_portname
, sizeof (struct lpfc_name
));
1995 memcpy(&ap
->nodeName
, &phba
->fc_nodename
, sizeof (struct lpfc_name
));
1996 ap
->DID
= be32_to_cpu(phba
->fc_myDID
);
1998 phba
->fc_stat
.elsXmitACC
++;
1999 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
2000 spin_lock_irq(phba
->host
->host_lock
);
2001 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
2002 spin_unlock_irq(phba
->host
->host_lock
);
2003 if (rc
== IOCB_ERROR
) {
2004 lpfc_els_free_iocb(phba
, elsiocb
);
2011 lpfc_els_rsp_prli_acc(struct lpfc_hba
* phba
,
2012 struct lpfc_iocbq
* oldiocb
, struct lpfc_nodelist
* ndlp
)
2018 struct lpfc_iocbq
*elsiocb
;
2019 struct lpfc_sli_ring
*pring
;
2020 struct lpfc_sli
*psli
;
2026 pring
= &psli
->ring
[LPFC_ELS_RING
]; /* ELS ring */
2028 cmdsize
= sizeof (uint32_t) + sizeof (PRLI
);
2029 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
2032 (ELS_CMD_PRLI
& ~ELS_RSP_MASK
)))) ==
2037 /* Xmit PRLI ACC response tag <ulpIoTag> */
2038 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
2039 "%d:0131 Xmit PRLI ACC response tag x%x "
2040 "Data: x%x x%x x%x x%x x%x\n",
2042 elsiocb
->iocb
.ulpIoTag
,
2043 elsiocb
->iocb
.ulpContext
, ndlp
->nlp_DID
,
2044 ndlp
->nlp_flag
, ndlp
->nlp_state
, ndlp
->nlp_rpi
);
2046 icmd
= &elsiocb
->iocb
;
2047 oldcmd
= &oldiocb
->iocb
;
2048 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
2049 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
2051 *((uint32_t *) (pcmd
)) = (ELS_CMD_ACC
| (ELS_CMD_PRLI
& ~ELS_RSP_MASK
));
2052 pcmd
+= sizeof (uint32_t);
2054 /* For PRLI, remainder of payload is PRLI parameter page */
2055 memset(pcmd
, 0, sizeof (PRLI
));
2057 npr
= (PRLI
*) pcmd
;
2060 * If our firmware version is 3.20 or later,
2061 * set the following bits for FC-TAPE support.
2063 if (vpd
->rev
.feaLevelHigh
>= 0x02) {
2064 npr
->ConfmComplAllowed
= 1;
2066 npr
->TaskRetryIdReq
= 1;
2069 npr
->acceptRspCode
= PRLI_REQ_EXECUTED
;
2070 npr
->estabImagePair
= 1;
2071 npr
->readXferRdyDis
= 1;
2072 npr
->ConfmComplAllowed
= 1;
2074 npr
->prliType
= PRLI_FCP_TYPE
;
2075 npr
->initiatorFunc
= 1;
2077 phba
->fc_stat
.elsXmitACC
++;
2078 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
2080 spin_lock_irq(phba
->host
->host_lock
);
2081 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
2082 spin_unlock_irq(phba
->host
->host_lock
);
2083 if (rc
== IOCB_ERROR
) {
2084 lpfc_els_free_iocb(phba
, elsiocb
);
2091 lpfc_els_rsp_rnid_acc(struct lpfc_hba
* phba
,
2093 struct lpfc_iocbq
* oldiocb
, struct lpfc_nodelist
* ndlp
)
2098 struct lpfc_iocbq
*elsiocb
;
2099 struct lpfc_sli_ring
*pring
;
2100 struct lpfc_sli
*psli
;
2106 pring
= &psli
->ring
[LPFC_ELS_RING
];
2108 cmdsize
= sizeof (uint32_t) + sizeof (uint32_t)
2109 + (2 * sizeof (struct lpfc_name
));
2111 cmdsize
+= sizeof (RNID_TOP_DISC
);
2113 if ((elsiocb
= lpfc_prep_els_iocb(phba
, 0, cmdsize
, oldiocb
->retry
,
2114 ndlp
, ELS_CMD_ACC
)) == 0) {
2118 /* Xmit RNID ACC response tag <ulpIoTag> */
2119 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
2120 "%d:0132 Xmit RNID ACC response tag x%x "
2123 elsiocb
->iocb
.ulpIoTag
,
2124 elsiocb
->iocb
.ulpContext
);
2126 icmd
= &elsiocb
->iocb
;
2127 oldcmd
= &oldiocb
->iocb
;
2128 icmd
->ulpContext
= oldcmd
->ulpContext
; /* Xri */
2129 pcmd
= (uint8_t *) (((struct lpfc_dmabuf
*) elsiocb
->context2
)->virt
);
2131 *((uint32_t *) (pcmd
)) = ELS_CMD_ACC
;
2132 pcmd
+= sizeof (uint32_t);
2134 memset(pcmd
, 0, sizeof (RNID
));
2135 rn
= (RNID
*) (pcmd
);
2136 rn
->Format
= format
;
2137 rn
->CommonLen
= (2 * sizeof (struct lpfc_name
));
2138 memcpy(&rn
->portName
, &phba
->fc_portname
, sizeof (struct lpfc_name
));
2139 memcpy(&rn
->nodeName
, &phba
->fc_nodename
, sizeof (struct lpfc_name
));
2142 rn
->SpecificLen
= 0;
2144 case RNID_TOPOLOGY_DISC
:
2145 rn
->SpecificLen
= sizeof (RNID_TOP_DISC
);
2146 memcpy(&rn
->un
.topologyDisc
.portName
,
2147 &phba
->fc_portname
, sizeof (struct lpfc_name
));
2148 rn
->un
.topologyDisc
.unitType
= RNID_HBA
;
2149 rn
->un
.topologyDisc
.physPort
= 0;
2150 rn
->un
.topologyDisc
.attachedNodes
= 0;
2154 rn
->SpecificLen
= 0;
2158 phba
->fc_stat
.elsXmitACC
++;
2159 elsiocb
->iocb_cmpl
= lpfc_cmpl_els_acc
;
2160 elsiocb
->context1
= NULL
; /* Don't need ndlp for cmpl,
2161 * it could be freed */
2163 spin_lock_irq(phba
->host
->host_lock
);
2164 rc
= lpfc_sli_issue_iocb(phba
, pring
, elsiocb
, 0);
2165 spin_unlock_irq(phba
->host
->host_lock
);
2166 if (rc
== IOCB_ERROR
) {
2167 lpfc_els_free_iocb(phba
, elsiocb
);
2174 lpfc_els_disc_adisc(struct lpfc_hba
* phba
)
2177 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2180 /* go thru NPR list and issue any remaining ELS ADISCs */
2181 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_npr_list
,
2183 if (ndlp
->nlp_flag
& NLP_NPR_2B_DISC
) {
2184 if (ndlp
->nlp_flag
& NLP_NPR_ADISC
) {
2185 ndlp
->nlp_flag
&= ~NLP_NPR_ADISC
;
2186 ndlp
->nlp_state
= NLP_STE_ADISC_ISSUE
;
2187 lpfc_nlp_list(phba
, ndlp
,
2189 lpfc_issue_els_adisc(phba
, ndlp
, 0);
2191 phba
->num_disc_nodes
++;
2192 if (phba
->num_disc_nodes
>=
2193 phba
->cfg_discovery_threads
) {
2194 spin_lock_irq(phba
->host
->host_lock
);
2195 phba
->fc_flag
|= FC_NLP_MORE
;
2196 spin_unlock_irq(phba
->host
->host_lock
);
2202 if (sentadisc
== 0) {
2203 spin_lock_irq(phba
->host
->host_lock
);
2204 phba
->fc_flag
&= ~FC_NLP_MORE
;
2205 spin_unlock_irq(phba
->host
->host_lock
);
2211 lpfc_els_disc_plogi(struct lpfc_hba
* phba
)
2214 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
2217 /* go thru NPR list and issue any remaining ELS PLOGIs */
2218 list_for_each_entry_safe(ndlp
, next_ndlp
, &phba
->fc_npr_list
,
2220 if ((ndlp
->nlp_flag
& NLP_NPR_2B_DISC
) &&
2221 (!(ndlp
->nlp_flag
& NLP_DELAY_TMO
))) {
2222 if (!(ndlp
->nlp_flag
& NLP_NPR_ADISC
)) {
2223 ndlp
->nlp_state
= NLP_STE_PLOGI_ISSUE
;
2224 lpfc_nlp_list(phba
, ndlp
, NLP_PLOGI_LIST
);
2225 lpfc_issue_els_plogi(phba
, ndlp
, 0);
2227 phba
->num_disc_nodes
++;
2228 if (phba
->num_disc_nodes
>=
2229 phba
->cfg_discovery_threads
) {
2230 spin_lock_irq(phba
->host
->host_lock
);
2231 phba
->fc_flag
|= FC_NLP_MORE
;
2232 spin_unlock_irq(phba
->host
->host_lock
);
2238 if (sentplogi
== 0) {
2239 spin_lock_irq(phba
->host
->host_lock
);
2240 phba
->fc_flag
&= ~FC_NLP_MORE
;
2241 spin_unlock_irq(phba
->host
->host_lock
);
2247 lpfc_els_flush_rscn(struct lpfc_hba
* phba
)
2249 struct lpfc_dmabuf
*mp
;
2252 for (i
= 0; i
< phba
->fc_rscn_id_cnt
; i
++) {
2253 mp
= phba
->fc_rscn_id_list
[i
];
2254 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2256 phba
->fc_rscn_id_list
[i
] = NULL
;
2258 phba
->fc_rscn_id_cnt
= 0;
2259 spin_lock_irq(phba
->host
->host_lock
);
2260 phba
->fc_flag
&= ~(FC_RSCN_MODE
| FC_RSCN_DISCOVERY
);
2261 spin_unlock_irq(phba
->host
->host_lock
);
2262 lpfc_can_disctmo(phba
);
2267 lpfc_rscn_payload_check(struct lpfc_hba
* phba
, uint32_t did
)
2271 struct lpfc_dmabuf
*mp
;
2273 uint32_t payload_len
, cmd
, i
, match
;
2275 ns_did
.un
.word
= did
;
2278 /* Never match fabric nodes for RSCNs */
2279 if ((did
& Fabric_DID_MASK
) == Fabric_DID_MASK
)
2282 /* If we are doing a FULL RSCN rediscovery, match everything */
2283 if (phba
->fc_flag
& FC_RSCN_DISCOVERY
) {
2287 for (i
= 0; i
< phba
->fc_rscn_id_cnt
; i
++) {
2288 mp
= phba
->fc_rscn_id_list
[i
];
2289 lp
= (uint32_t *) mp
->virt
;
2291 payload_len
= be32_to_cpu(cmd
) & 0xffff; /* payload length */
2292 payload_len
-= sizeof (uint32_t); /* take off word 0 */
2293 while (payload_len
) {
2294 rscn_did
.un
.word
= *lp
++;
2295 rscn_did
.un
.word
= be32_to_cpu(rscn_did
.un
.word
);
2296 payload_len
-= sizeof (uint32_t);
2297 switch (rscn_did
.un
.b
.resv
) {
2298 case 0: /* Single N_Port ID effected */
2299 if (ns_did
.un
.word
== rscn_did
.un
.word
) {
2303 case 1: /* Whole N_Port Area effected */
2304 if ((ns_did
.un
.b
.domain
== rscn_did
.un
.b
.domain
)
2305 && (ns_did
.un
.b
.area
== rscn_did
.un
.b
.area
))
2310 case 2: /* Whole N_Port Domain effected */
2311 if (ns_did
.un
.b
.domain
== rscn_did
.un
.b
.domain
)
2316 case 3: /* Whole Fabric effected */
2320 /* Unknown Identifier in RSCN list */
2321 lpfc_printf_log(phba
, KERN_ERR
, LOG_DISCOVERY
,
2322 "%d:0217 Unknown Identifier in "
2323 "RSCN payload Data: x%x\n",
2324 phba
->brd_no
, rscn_did
.un
.word
);
2336 lpfc_rscn_recovery_check(struct lpfc_hba
* phba
)
2338 struct lpfc_nodelist
*ndlp
= NULL
, *next_ndlp
;
2339 struct list_head
*listp
;
2340 struct list_head
*node_list
[7];
2343 /* Look at all nodes effected by pending RSCNs and move
2346 node_list
[0] = &phba
->fc_npr_list
; /* MUST do this list first */
2347 node_list
[1] = &phba
->fc_nlpmap_list
;
2348 node_list
[2] = &phba
->fc_nlpunmap_list
;
2349 node_list
[3] = &phba
->fc_prli_list
;
2350 node_list
[4] = &phba
->fc_reglogin_list
;
2351 node_list
[5] = &phba
->fc_adisc_list
;
2352 node_list
[6] = &phba
->fc_plogi_list
;
2353 for (i
= 0; i
< 7; i
++) {
2354 listp
= node_list
[i
];
2355 if (list_empty(listp
))
2358 list_for_each_entry_safe(ndlp
, next_ndlp
, listp
, nlp_listp
) {
2359 if (!(lpfc_rscn_payload_check(phba
, ndlp
->nlp_DID
)))
2362 lpfc_disc_state_machine(phba
, ndlp
, NULL
,
2363 NLP_EVT_DEVICE_RECOVERY
);
2364 if (ndlp
->nlp_flag
& NLP_DELAY_TMO
) {
2365 ndlp
->nlp_flag
&= ~NLP_DELAY_TMO
;
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 if ((ndlp
= lpfc_findnode_did(phba
, NLP_SEARCH_UNMAPPED
,
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 */
2505 lpfc_findnode_did(phba
, NLP_SEARCH_ALL
, NameServer_DID
))) {
2506 /* Wait for NameServer login cmpl before we can
2510 if ((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_state
= NLP_STE_PLOGI_ISSUE
;
2518 lpfc_issue_els_plogi(phba
, ndlp
, 0);
2519 /* Wait for NameServer login cmpl before we can
2525 lpfc_els_flush_rscn(phba
);
2530 lpfc_els_rcv_flogi(struct lpfc_hba
* phba
,
2531 struct lpfc_iocbq
* cmdiocb
,
2532 struct lpfc_nodelist
* ndlp
, uint8_t newnode
)
2534 struct lpfc_dmabuf
*pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
2535 uint32_t *lp
= (uint32_t *) pcmd
->virt
;
2536 IOCB_t
*icmd
= &cmdiocb
->iocb
;
2537 struct serv_parm
*sp
;
2544 sp
= (struct serv_parm
*) lp
;
2546 /* FLOGI received */
2548 lpfc_set_disctmo(phba
);
2550 if (phba
->fc_topology
== TOPOLOGY_LOOP
) {
2551 /* We should never receive a FLOGI in loop mode, ignore it */
2552 did
= icmd
->un
.elsreq64
.remoteID
;
2554 /* An FLOGI ELS command <elsCmd> was received from DID <did> in
2556 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
2557 "%d:0113 An FLOGI ELS command x%x was received "
2558 "from DID x%x in Loop Mode\n",
2559 phba
->brd_no
, cmd
, did
);
2565 if ((lpfc_check_sparm(phba
, ndlp
, sp
, CLASS3
))) {
2566 /* For a FLOGI we accept, then if our portname is greater
2567 * then the remote portname we initiate Nport login.
2570 rc
= memcmp(&phba
->fc_portname
, &sp
->portName
,
2571 sizeof (struct lpfc_name
));
2574 if ((mbox
= mempool_alloc(phba
->mbox_mem_pool
,
2575 GFP_KERNEL
)) == 0) {
2578 lpfc_linkdown(phba
);
2579 lpfc_init_link(phba
, mbox
,
2581 phba
->cfg_link_speed
);
2582 mbox
->mb
.un
.varInitLnk
.lipsr_AL_PA
= 0;
2583 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
2584 rc
= lpfc_sli_issue_mbox
2585 (phba
, mbox
, (MBX_NOWAIT
| MBX_STOP_IOCB
));
2586 if (rc
== MBX_NOT_FINISHED
) {
2587 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_rrq(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
2654 struct lpfc_nodelist
* ndlp
)
2656 struct lpfc_dmabuf
*pcmd
;
2659 struct lpfc_sli_ring
*pring
;
2660 struct lpfc_sli
*psli
;
2665 pring
= &psli
->ring
[LPFC_FCP_RING
];
2666 icmd
= &cmdiocb
->iocb
;
2667 did
= icmd
->un
.elsreq64
.remoteID
;
2668 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
2669 lp
= (uint32_t *) pcmd
->virt
;
2675 /* Get oxid / rxid from payload and abort it */
2676 spin_lock_irq(phba
->host
->host_lock
);
2677 if ((rrq
->SID
== be32_to_cpu(phba
->fc_myDID
))) {
2678 lpfc_sli_abort_iocb(phba
, pring
, 0, 0, rrq
->Oxid
,
2681 lpfc_sli_abort_iocb(phba
, pring
, 0, 0, rrq
->Rxid
,
2685 spin_unlock_irq(phba
->host
->host_lock
);
2686 /* ACCEPT the rrq request */
2687 lpfc_els_rsp_acc(phba
, ELS_CMD_ACC
, cmdiocb
, ndlp
, NULL
, 0);
2693 lpfc_els_rcv_farp(struct lpfc_hba
* phba
,
2694 struct lpfc_iocbq
* cmdiocb
, struct lpfc_nodelist
* ndlp
)
2696 struct lpfc_dmabuf
*pcmd
;
2700 uint32_t cmd
, cnt
, did
;
2702 icmd
= &cmdiocb
->iocb
;
2703 did
= icmd
->un
.elsreq64
.remoteID
;
2704 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
2705 lp
= (uint32_t *) pcmd
->virt
;
2710 /* FARP-REQ received from DID <did> */
2711 lpfc_printf_log(phba
,
2714 "%d:0601 FARP-REQ received from DID x%x\n",
2717 /* We will only support match on WWPN or WWNN */
2718 if (fp
->Mflags
& ~(FARP_MATCH_NODE
| FARP_MATCH_PORT
)) {
2723 /* If this FARP command is searching for my portname */
2724 if (fp
->Mflags
& FARP_MATCH_PORT
) {
2725 if (memcmp(&fp
->RportName
, &phba
->fc_portname
,
2726 sizeof (struct lpfc_name
)) == 0)
2730 /* If this FARP command is searching for my nodename */
2731 if (fp
->Mflags
& FARP_MATCH_NODE
) {
2732 if (memcmp(&fp
->RnodeName
, &phba
->fc_nodename
,
2733 sizeof (struct lpfc_name
)) == 0)
2738 if ((ndlp
->nlp_state
== NLP_STE_UNMAPPED_NODE
) ||
2739 (ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
)) {
2740 /* Log back into the node before sending the FARP. */
2741 if (fp
->Rflags
& FARP_REQUEST_PLOGI
) {
2742 ndlp
->nlp_state
= NLP_STE_PLOGI_ISSUE
;
2743 lpfc_nlp_list(phba
, ndlp
, NLP_PLOGI_LIST
);
2744 lpfc_issue_els_plogi(phba
, ndlp
, 0);
2747 /* Send a FARP response to that node */
2748 if (fp
->Rflags
& FARP_REQUEST_FARPR
) {
2749 lpfc_issue_els_farpr(phba
, did
, 0);
2757 lpfc_els_rcv_farpr(struct lpfc_hba
* phba
,
2758 struct lpfc_iocbq
* cmdiocb
, struct lpfc_nodelist
* ndlp
)
2760 struct lpfc_dmabuf
*pcmd
;
2765 icmd
= &cmdiocb
->iocb
;
2766 did
= icmd
->un
.elsreq64
.remoteID
;
2767 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
2768 lp
= (uint32_t *) pcmd
->virt
;
2771 /* FARP-RSP received from DID <did> */
2772 lpfc_printf_log(phba
,
2775 "%d:0600 FARP-RSP received from DID x%x\n",
2778 /* ACCEPT the Farp resp request */
2779 lpfc_els_rsp_acc(phba
, ELS_CMD_ACC
, cmdiocb
, ndlp
, NULL
, 0);
2785 lpfc_els_rcv_fan(struct lpfc_hba
* phba
, struct lpfc_iocbq
* cmdiocb
,
2786 struct lpfc_nodelist
* ndlp
)
2788 struct lpfc_dmabuf
*pcmd
;
2794 icmd
= &cmdiocb
->iocb
;
2795 did
= icmd
->un
.elsreq64
.remoteID
;
2796 pcmd
= (struct lpfc_dmabuf
*) cmdiocb
->context2
;
2797 lp
= (uint32_t *) pcmd
->virt
;
2804 /* ACCEPT the FAN request */
2805 lpfc_els_rsp_acc(phba
, ELS_CMD_ACC
, cmdiocb
, ndlp
, NULL
, 0);
2807 if (phba
->hba_state
== LPFC_LOCAL_CFG_LINK
) {
2808 /* The discovery state machine needs to take a different
2809 * action if this node has switched fabrics
2811 if ((memcmp(&fp
->FportName
, &phba
->fc_fabparam
.portName
,
2812 sizeof (struct lpfc_name
)) != 0)
2814 (memcmp(&fp
->FnodeName
, &phba
->fc_fabparam
.nodeName
,
2815 sizeof (struct lpfc_name
)) != 0)) {
2816 /* This node has switched fabrics. An FLOGI is required
2822 /* Start discovery */
2823 lpfc_disc_start(phba
);
2830 lpfc_els_timeout(unsigned long ptr
)
2832 struct lpfc_hba
*phba
;
2833 unsigned long iflag
;
2835 phba
= (struct lpfc_hba
*)ptr
;
2838 spin_lock_irqsave(phba
->host
->host_lock
, iflag
);
2839 if (!(phba
->work_hba_events
& WORKER_ELS_TMO
)) {
2840 phba
->work_hba_events
|= WORKER_ELS_TMO
;
2841 if (phba
->work_wait
)
2842 wake_up(phba
->work_wait
);
2844 spin_unlock_irqrestore(phba
->host
->host_lock
, iflag
);
2849 lpfc_els_timeout_handler(struct lpfc_hba
*phba
)
2851 struct lpfc_sli_ring
*pring
;
2852 struct lpfc_iocbq
*tmp_iocb
, *piocb
;
2854 struct lpfc_dmabuf
*pcmd
;
2855 struct list_head
*dlp
;
2857 uint32_t els_command
;
2863 spin_lock_irq(phba
->host
->host_lock
);
2864 /* If the timer is already canceled do nothing */
2865 if (!(phba
->work_hba_events
& WORKER_ELS_TMO
)) {
2866 spin_unlock_irq(phba
->host
->host_lock
);
2869 timeout
= (uint32_t)(phba
->fc_ratov
<< 1);
2871 pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
2872 dlp
= &pring
->txcmplq
;
2874 list_for_each_entry_safe(piocb
, tmp_iocb
, &pring
->txcmplq
, list
) {
2877 if (piocb
->iocb_flag
& LPFC_IO_LIBDFC
) {
2880 pcmd
= (struct lpfc_dmabuf
*) piocb
->context2
;
2881 elscmd
= (uint32_t *) (pcmd
->virt
);
2882 els_command
= *elscmd
;
2884 if ((els_command
== ELS_CMD_FARP
)
2885 || (els_command
== ELS_CMD_FARPR
)) {
2889 if (piocb
->drvrTimeout
> 0) {
2890 if (piocb
->drvrTimeout
>= timeout
) {
2891 piocb
->drvrTimeout
-= timeout
;
2893 piocb
->drvrTimeout
= 0;
2898 list_del(&piocb
->list
);
2899 pring
->txcmplq_cnt
--;
2901 if (cmd
->ulpCommand
== CMD_GEN_REQUEST64_CR
) {
2902 struct lpfc_nodelist
*ndlp
;
2904 ndlp
= lpfc_findnode_rpi(phba
, cmd
->ulpContext
);
2905 remote_ID
= ndlp
->nlp_DID
;
2906 if (cmd
->un
.elsreq64
.bdl
.ulpIoTag32
) {
2907 lpfc_sli_issue_abort_iotag32(phba
,
2911 remote_ID
= cmd
->un
.elsreq64
.remoteID
;
2914 lpfc_printf_log(phba
,
2917 "%d:0127 ELS timeout Data: x%x x%x x%x x%x\n",
2918 phba
->brd_no
, els_command
,
2919 remote_ID
, cmd
->ulpCommand
, cmd
->ulpIoTag
);
2922 * The iocb has timed out; abort it.
2924 if (piocb
->iocb_cmpl
) {
2925 cmd
->ulpStatus
= IOSTAT_LOCAL_REJECT
;
2926 cmd
->un
.ulpWord
[4] = IOERR_SLI_ABORTED
;
2927 spin_unlock_irq(phba
->host
->host_lock
);
2928 (piocb
->iocb_cmpl
) (phba
, piocb
, piocb
);
2929 spin_lock_irq(phba
->host
->host_lock
);
2931 lpfc_sli_release_iocbq(phba
, piocb
);
2933 if (phba
->sli
.ring
[LPFC_ELS_RING
].txcmplq_cnt
) {
2934 phba
->els_tmofunc
.expires
= jiffies
+ HZ
* timeout
;
2935 add_timer(&phba
->els_tmofunc
);
2937 spin_unlock_irq(phba
->host
->host_lock
);
2941 lpfc_els_flush_cmd(struct lpfc_hba
* phba
)
2943 struct lpfc_sli_ring
*pring
;
2944 struct lpfc_iocbq
*tmp_iocb
, *piocb
;
2946 struct lpfc_dmabuf
*pcmd
;
2948 uint32_t els_command
;
2951 pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
2952 spin_lock_irq(phba
->host
->host_lock
);
2953 list_for_each_entry_safe(piocb
, tmp_iocb
, &pring
->txq
, list
) {
2956 if (piocb
->iocb_flag
& LPFC_IO_LIBDFC
) {
2960 /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */
2961 if ((cmd
->ulpCommand
== CMD_QUE_RING_BUF_CN
) ||
2962 (cmd
->ulpCommand
== CMD_QUE_RING_BUF64_CN
) ||
2963 (cmd
->ulpCommand
== CMD_CLOSE_XRI_CN
) ||
2964 (cmd
->ulpCommand
== CMD_ABORT_XRI_CN
)) {
2968 pcmd
= (struct lpfc_dmabuf
*) piocb
->context2
;
2969 elscmd
= (uint32_t *) (pcmd
->virt
);
2970 els_command
= *elscmd
;
2972 if (cmd
->ulpCommand
== CMD_GEN_REQUEST64_CR
) {
2973 struct lpfc_nodelist
*ndlp
;
2975 ndlp
= lpfc_findnode_rpi(phba
, cmd
->ulpContext
);
2976 remote_ID
= ndlp
->nlp_DID
;
2977 if (phba
->hba_state
== LPFC_HBA_READY
) {
2981 remote_ID
= cmd
->un
.elsreq64
.remoteID
;
2984 list_del(&piocb
->list
);
2985 pring
->txcmplq_cnt
--;
2987 cmd
->ulpStatus
= IOSTAT_LOCAL_REJECT
;
2988 cmd
->un
.ulpWord
[4] = IOERR_SLI_ABORTED
;
2990 if (piocb
->iocb_cmpl
) {
2991 spin_unlock_irq(phba
->host
->host_lock
);
2992 (piocb
->iocb_cmpl
) (phba
, piocb
, piocb
);
2993 spin_lock_irq(phba
->host
->host_lock
);
2996 lpfc_sli_release_iocbq(phba
, piocb
);
2999 list_for_each_entry_safe(piocb
, tmp_iocb
, &pring
->txcmplq
, list
) {
3002 if (piocb
->iocb_flag
& LPFC_IO_LIBDFC
) {
3005 pcmd
= (struct lpfc_dmabuf
*) piocb
->context2
;
3006 elscmd
= (uint32_t *) (pcmd
->virt
);
3007 els_command
= *elscmd
;
3009 if (cmd
->ulpCommand
== CMD_GEN_REQUEST64_CR
) {
3010 struct lpfc_nodelist
*ndlp
;
3012 ndlp
= lpfc_findnode_rpi(phba
, cmd
->ulpContext
);
3013 remote_ID
= ndlp
->nlp_DID
;
3014 if (phba
->hba_state
== LPFC_HBA_READY
) {
3018 remote_ID
= cmd
->un
.elsreq64
.remoteID
;
3021 list_del(&piocb
->list
);
3022 pring
->txcmplq_cnt
--;
3024 cmd
->ulpStatus
= IOSTAT_LOCAL_REJECT
;
3025 cmd
->un
.ulpWord
[4] = IOERR_SLI_ABORTED
;
3027 if (piocb
->iocb_cmpl
) {
3028 spin_unlock_irq(phba
->host
->host_lock
);
3029 (piocb
->iocb_cmpl
) (phba
, piocb
, piocb
);
3030 spin_lock_irq(phba
->host
->host_lock
);
3033 lpfc_sli_release_iocbq(phba
, piocb
);
3035 spin_unlock_irq(phba
->host
->host_lock
);
3040 lpfc_els_unsol_event(struct lpfc_hba
* phba
,
3041 struct lpfc_sli_ring
* pring
, struct lpfc_iocbq
* elsiocb
)
3043 struct lpfc_sli
*psli
;
3044 struct lpfc_nodelist
*ndlp
;
3045 struct lpfc_dmabuf
*mp
;
3052 uint32_t drop_cmd
= 0; /* by default do NOT drop received cmd */
3053 uint32_t rjt_err
= 0;
3056 icmd
= &elsiocb
->iocb
;
3058 if ((icmd
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
3059 ((icmd
->un
.ulpWord
[4] & 0xff) == IOERR_RCV_BUFFER_WAITING
)) {
3060 /* Not enough posted buffers; Try posting more buffers */
3061 phba
->fc_stat
.NoRcvBuf
++;
3062 lpfc_post_buffer(phba
, pring
, 0, 1);
3066 /* If there are no BDEs associated with this IOCB,
3067 * there is nothing to do.
3069 if (icmd
->ulpBdeCount
== 0)
3072 /* type of ELS cmd is first 32bit word in packet */
3073 mp
= lpfc_sli_ringpostbuf_get(phba
, pring
, getPaddr(icmd
->un
.
3077 cont64
[0].addrLow
));
3084 lp
= (uint32_t *) mp
->virt
;
3086 lpfc_post_buffer(phba
, &psli
->ring
[LPFC_ELS_RING
], 1, 1);
3088 if (icmd
->ulpStatus
) {
3089 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3095 /* Check to see if link went down during discovery */
3096 if (lpfc_els_chk_latt(phba
)) {
3097 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3103 did
= icmd
->un
.rcvels
.remoteID
;
3104 if ((ndlp
= lpfc_findnode_did(phba
, NLP_SEARCH_ALL
, did
)) == 0) {
3105 /* Cannot find existing Fabric ndlp, so allocate a new one */
3106 if ((ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
))
3108 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3114 lpfc_nlp_init(phba
, ndlp
, did
);
3116 if ((did
& Fabric_DID_MASK
) == Fabric_DID_MASK
) {
3117 ndlp
->nlp_type
|= NLP_FABRIC
;
3121 phba
->fc_stat
.elsRcvFrame
++;
3122 elsiocb
->context1
= ndlp
;
3123 elsiocb
->context2
= mp
;
3125 if ((cmd
& ELS_CMD_MASK
) == ELS_CMD_RSCN
) {
3126 cmd
&= ELS_CMD_MASK
;
3128 /* ELS command <elsCmd> received from NPORT <did> */
3129 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
3130 "%d:0112 ELS command x%x received from NPORT x%x "
3131 "Data: x%x\n", phba
->brd_no
, cmd
, did
, phba
->hba_state
);
3135 phba
->fc_stat
.elsRcvPLOGI
++;
3136 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3140 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_PLOGI
);
3143 phba
->fc_stat
.elsRcvFLOGI
++;
3144 lpfc_els_rcv_flogi(phba
, elsiocb
, ndlp
, newnode
);
3146 mempool_free( ndlp
, phba
->nlp_mem_pool
);
3150 phba
->fc_stat
.elsRcvLOGO
++;
3151 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3155 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_LOGO
);
3158 phba
->fc_stat
.elsRcvPRLO
++;
3159 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3163 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_PRLO
);
3166 phba
->fc_stat
.elsRcvRSCN
++;
3167 lpfc_els_rcv_rscn(phba
, elsiocb
, ndlp
, newnode
);
3169 mempool_free( ndlp
, phba
->nlp_mem_pool
);
3173 phba
->fc_stat
.elsRcvADISC
++;
3174 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3178 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_ADISC
);
3181 phba
->fc_stat
.elsRcvPDISC
++;
3182 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3186 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_PDISC
);
3189 phba
->fc_stat
.elsRcvFARPR
++;
3190 lpfc_els_rcv_farpr(phba
, elsiocb
, ndlp
);
3193 phba
->fc_stat
.elsRcvFARP
++;
3194 lpfc_els_rcv_farp(phba
, elsiocb
, ndlp
);
3197 phba
->fc_stat
.elsRcvFAN
++;
3198 lpfc_els_rcv_fan(phba
, elsiocb
, ndlp
);
3201 phba
->fc_stat
.elsRcvRRQ
++;
3202 lpfc_els_rcv_rrq(phba
, elsiocb
, ndlp
);
3205 phba
->fc_stat
.elsRcvPRLI
++;
3206 if (phba
->hba_state
< LPFC_DISC_AUTH
) {
3210 lpfc_disc_state_machine(phba
, ndlp
, elsiocb
, NLP_EVT_RCV_PRLI
);
3213 phba
->fc_stat
.elsRcvRNID
++;
3214 lpfc_els_rcv_rnid(phba
, elsiocb
, ndlp
);
3217 /* Unsupported ELS command, reject */
3220 /* Unknown ELS command <elsCmd> received from NPORT <did> */
3221 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
3222 "%d:0115 Unknown ELS command x%x received from "
3223 "NPORT x%x\n", phba
->brd_no
, cmd
, did
);
3225 mempool_free( ndlp
, phba
->nlp_mem_pool
);
3230 /* check if need to LS_RJT received ELS cmd */
3232 stat
.un
.b
.lsRjtRsvd0
= 0;
3233 stat
.un
.b
.lsRjtRsnCode
= LSRJT_UNABLE_TPC
;
3234 stat
.un
.b
.lsRjtRsnCodeExp
= LSEXP_NOTHING_MORE
;
3235 stat
.un
.b
.vendorUnique
= 0;
3236 lpfc_els_rsp_reject(phba
, stat
.un
.lsRjtError
, elsiocb
, ndlp
);
3239 if (elsiocb
->context2
) {
3240 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
3244 /* check if need to drop received ELS cmd */
3245 if (drop_cmd
== 1) {
3246 lpfc_printf_log(phba
, KERN_ERR
, LOG_ELS
,
3247 "%d:0111 Dropping received ELS cmd "
3248 "Data: x%x x%x\n", phba
->brd_no
,
3249 icmd
->ulpStatus
, icmd
->un
.ulpWord
[4]);
3250 phba
->fc_stat
.elsRcvDrop
++;