Fixed FC protocol violation in handling of PRLO.
Signed-off-by: James Smart <James.Smart@xxxxxxxxxx>
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -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_hb
/* 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_hb
/* 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_hb
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
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
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
/* 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
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
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
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_hb
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_hb
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 *
cmdiocb = (struct lpfc_iocbq *) arg;
- lpfc_rcv_logo(phba, ndlp, cmdiocb);
+ lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
return ndlp->nlp_state;
}
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -449,6 +449,7 @@ struct serv_parm { /* Structure is in Bi
#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 Bi
#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
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1913,6 +1913,7 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba,
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,
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;
}
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