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[SCSI] lpfc 8.1.5 : Fixed FC protocol violation in handling of PRLO. 

Fixed FC protocol violation in handling of PRLO.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Smart 2006-04-15 11:53:05 -04:00 committed by James Bottomley
parent 4b0b91d461
commit 82d9a2a290
3 changed files with 38 additions and 14 deletions
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18
drivers/scsi/lpfc/lpfc_els.c
View File

@ -1913,6 +1913,7 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
uint8_t *pcmd;
uint16_t cmdsize;
int rc;
ELS_PKT *els_pkt_ptr;
psli = &phba->sli;
pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
@ -1951,6 +1952,23 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
pcmd += sizeof (uint32_t);
memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
break;
case ELS_CMD_PRLO:
cmdsize = sizeof (uint32_t) + sizeof (PRLO);
elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
ndlp, ndlp->nlp_DID, ELS_CMD_PRLO);
if (!elsiocb)
return 1;
icmd = &elsiocb->iocb;
icmd->ulpContext = oldcmd->ulpContext; /* Xri */
pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt,
sizeof (uint32_t) + sizeof (PRLO));
*((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC;
els_pkt_ptr = (ELS_PKT *) pcmd;
els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED;
break;
default:
return 1;
}

2
drivers/scsi/lpfc/lpfc_hw.h
View File

@ -449,6 +449,7 @@ struct serv_parm { /* Structure is in Big Endian format */
#define ELS_CMD_RRQ 0x12000000
#define ELS_CMD_PRLI 0x20100014
#define ELS_CMD_PRLO 0x21100014
#define ELS_CMD_PRLO_ACC 0x02100014
#define ELS_CMD_PDISC 0x50000000
#define ELS_CMD_FDISC 0x51000000
#define ELS_CMD_ADISC 0x52000000
@ -484,6 +485,7 @@ struct serv_parm { /* Structure is in Big Endian format */
#define ELS_CMD_RRQ 0x12
#define ELS_CMD_PRLI 0x14001020
#define ELS_CMD_PRLO 0x14001021
#define ELS_CMD_PRLO_ACC 0x14001002
#define ELS_CMD_PDISC 0x50
#define ELS_CMD_FDISC 0x51
#define ELS_CMD_ADISC 0x52

32
drivers/scsi/lpfc/lpfc_nportdisc.c
View File

@ -465,14 +465,18 @@ lpfc_rcv_padisc(struct lpfc_hba * phba,
static int
lpfc_rcv_logo(struct lpfc_hba * phba,
struct lpfc_nodelist * ndlp,
struct lpfc_iocbq *cmdiocb)
struct lpfc_iocbq *cmdiocb,
uint32_t els_cmd)
{
/* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */
/* Only call LOGO ACC for first LOGO, this avoids sending unnecessary
* PLOGIs during LOGO storms from a device.
*/
ndlp->nlp_flag |= NLP_LOGO_ACC;
lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
if (els_cmd == ELS_CMD_PRLO)
lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
else
lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
if (!(ndlp->nlp_type & NLP_FABRIC) ||
(ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
@ -681,7 +685,7 @@ lpfc_rcv_logo_plogi_issue(struct lpfc_hba * phba,
/* software abort outstanding PLOGI */
lpfc_els_abort(phba, ndlp, 1);
lpfc_rcv_logo(phba, ndlp, cmdiocb);
lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
return ndlp->nlp_state;
}
@ -907,7 +911,7 @@ lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba,
/* software abort outstanding ADISC */
lpfc_els_abort(phba, ndlp, 0);
lpfc_rcv_logo(phba, ndlp, cmdiocb);
lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
return ndlp->nlp_state;
}
@ -934,7 +938,7 @@ lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba,
cmdiocb = (struct lpfc_iocbq *) arg;
/* Treat like rcv logo */
lpfc_rcv_logo(phba, ndlp, cmdiocb);
lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO);
return ndlp->nlp_state;
}
@ -1056,7 +1060,7 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba,
cmdiocb = (struct lpfc_iocbq *) arg;
lpfc_rcv_logo(phba, ndlp, cmdiocb);
lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
return ndlp->nlp_state;
}
@ -1081,7 +1085,7 @@ lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba,
struct lpfc_iocbq *cmdiocb;
cmdiocb = (struct lpfc_iocbq *) arg;
lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
return ndlp->nlp_state;
}
@ -1200,7 +1204,7 @@ lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba,
/* Software abort outstanding PRLI before sending acc */
lpfc_els_abort(phba, ndlp, 1);
lpfc_rcv_logo(phba, ndlp, cmdiocb);
lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
return ndlp->nlp_state;
}
@ -1228,7 +1232,7 @@ lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba,
struct lpfc_iocbq *cmdiocb;
cmdiocb = (struct lpfc_iocbq *) arg;
lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
return ndlp->nlp_state;
}
@ -1371,7 +1375,7 @@ lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba,
cmdiocb = (struct lpfc_iocbq *) arg;
lpfc_rcv_logo(phba, ndlp, cmdiocb);
lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
return ndlp->nlp_state;
}
@ -1395,7 +1399,7 @@ lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba,
cmdiocb = (struct lpfc_iocbq *) arg;
lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
return ndlp->nlp_state;
}
@ -1444,7 +1448,7 @@ lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba,
cmdiocb = (struct lpfc_iocbq *) arg;
lpfc_rcv_logo(phba, ndlp, cmdiocb);
lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
return ndlp->nlp_state;
}
@ -1476,7 +1480,7 @@ lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba,
spin_unlock_irq(phba->host->host_lock);
/* Treat like rcv logo */
lpfc_rcv_logo(phba, ndlp, cmdiocb);
lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO);
return ndlp->nlp_state;
}
@ -1571,7 +1575,7 @@ lpfc_rcv_logo_npr_node(struct lpfc_hba * phba,
cmdiocb = (struct lpfc_iocbq *) arg;
lpfc_rcv_logo(phba, ndlp, cmdiocb);
lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
return ndlp->nlp_state;
}