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path: root/drivers/scsi/lpfc/lpfc_els.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_els.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c129
1 files changed, 118 insertions, 11 deletions
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 32e3c8df22c..2c62349a104 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -50,9 +50,6 @@ static int lpfc_issue_els_fdisc(struct lpfc_vport *vport,
struct lpfc_nodelist *ndlp, uint8_t retry);
static int lpfc_issue_fabric_iocb(struct lpfc_hba *phba,
struct lpfc_iocbq *iocb);
-static void lpfc_register_new_vport(struct lpfc_hba *phba,
- struct lpfc_vport *vport,
- struct lpfc_nodelist *ndlp);
static int lpfc_max_els_tries = 3;
@@ -604,10 +601,13 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
} else {
ndlp->nlp_type |= NLP_FABRIC;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
- if (vport->vpi_state & LPFC_VPI_REGISTERED) {
+ if ((!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) &&
+ (vport->vpi_state & LPFC_VPI_REGISTERED)) {
lpfc_start_fdiscs(phba);
lpfc_do_scr_ns_plogi(phba, vport);
- } else
+ } else if (vport->fc_flag & FC_VFI_REGISTERED)
+ lpfc_register_new_vport(phba, vport, ndlp);
+ else
lpfc_issue_reg_vfi(vport);
}
return 0;
@@ -804,6 +804,9 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
irsp->ulpTimeout);
goto flogifail;
}
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag &= ~FC_VPORT_CVL_RCVD;
+ spin_unlock_irq(shost->host_lock);
/*
* The FLogI succeeded. Sync the data for the CPU before
@@ -2720,7 +2723,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
if (did == FDMI_DID)
retry = 1;
- if ((cmd == ELS_CMD_FLOGI) &&
+ if (((cmd == ELS_CMD_FLOGI) || (cmd == ELS_CMD_FDISC)) &&
(phba->fc_topology != TOPOLOGY_LOOP) &&
!lpfc_error_lost_link(irsp)) {
/* FLOGI retry policy */
@@ -5915,6 +5918,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
MAILBOX_t *mb = &pmb->u.mb;
+ int rc;
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
@@ -5936,6 +5940,26 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
spin_unlock_irq(shost->host_lock);
lpfc_can_disctmo(vport);
break;
+ /* If reg_vpi fail with invalid VPI status, re-init VPI */
+ case 0x20:
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+ spin_unlock_irq(shost->host_lock);
+ lpfc_init_vpi(phba, pmb, vport->vpi);
+ pmb->vport = vport;
+ pmb->mbox_cmpl = lpfc_init_vpi_cmpl;
+ rc = lpfc_sli_issue_mbox(phba, pmb,
+ MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED) {
+ lpfc_printf_vlog(vport,
+ KERN_ERR, LOG_MBOX,
+ "2732 Failed to issue INIT_VPI"
+ " mailbox command\n");
+ } else {
+ lpfc_nlp_put(ndlp);
+ return;
+ }
+
default:
/* Try to recover from this error */
lpfc_mbx_unreg_vpi(vport);
@@ -5949,13 +5973,17 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
break;
}
} else {
+ spin_lock_irq(shost->host_lock);
vport->vpi_state |= LPFC_VPI_REGISTERED;
- if (vport == phba->pport)
+ spin_unlock_irq(shost->host_lock);
+ if (vport == phba->pport) {
if (phba->sli_rev < LPFC_SLI_REV4)
lpfc_issue_fabric_reglogin(vport);
- else
- lpfc_issue_reg_vfi(vport);
- else
+ else {
+ lpfc_start_fdiscs(phba);
+ lpfc_do_scr_ns_plogi(phba, vport);
+ }
+ } else
lpfc_do_scr_ns_plogi(phba, vport);
}
@@ -5977,7 +6005,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
* This routine registers the @vport as a new virtual port with a HBA.
* It is done through a registering vpi mailbox command.
**/
-static void
+void
lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport,
struct lpfc_nodelist *ndlp)
{
@@ -6018,6 +6046,78 @@ mbox_err_exit:
}
/**
+ * lpfc_retry_pport_discovery - Start timer to retry FLOGI.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine abort all pending discovery commands and
+ * start a timer to retry FLOGI for the physical port
+ * discovery.
+ **/
+void
+lpfc_retry_pport_discovery(struct lpfc_hba *phba)
+{
+ struct lpfc_vport **vports;
+ struct lpfc_nodelist *ndlp;
+ struct Scsi_Host *shost;
+ int i;
+ uint32_t link_state;
+
+ /* Treat this failure as linkdown for all vports */
+ link_state = phba->link_state;
+ lpfc_linkdown(phba);
+ phba->link_state = link_state;
+
+ vports = lpfc_create_vport_work_array(phba);
+
+ if (vports) {
+ for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+ ndlp = lpfc_findnode_did(vports[i], Fabric_DID);
+ if (ndlp)
+ lpfc_cancel_retry_delay_tmo(vports[i], ndlp);
+ lpfc_els_flush_cmd(vports[i]);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ }
+
+ /* If fabric require FLOGI, then re-instantiate physical login */
+ ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
+ if (!ndlp)
+ return;
+
+
+ shost = lpfc_shost_from_vport(phba->pport);
+ mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag |= NLP_DELAY_TMO;
+ spin_unlock_irq(shost->host_lock);
+ ndlp->nlp_last_elscmd = ELS_CMD_FLOGI;
+ phba->pport->port_state = LPFC_FLOGI;
+ return;
+}
+
+/**
+ * lpfc_fabric_login_reqd - Check if FLOGI required.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to FDISC command iocb.
+ * @rspiocb: pointer to FDISC response iocb.
+ *
+ * This routine checks if a FLOGI is reguired for FDISC
+ * to succeed.
+ **/
+static int
+lpfc_fabric_login_reqd(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdiocb,
+ struct lpfc_iocbq *rspiocb)
+{
+
+ if ((rspiocb->iocb.ulpStatus != IOSTAT_FABRIC_RJT) ||
+ (rspiocb->iocb.un.ulpWord[4] != RJT_LOGIN_REQUIRED))
+ return 0;
+ else
+ return 1;
+}
+
+/**
* lpfc_cmpl_els_fdisc - Completion function for fdisc iocb command
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
@@ -6066,6 +6166,12 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID);
if (irsp->ulpStatus) {
+
+ if (lpfc_fabric_login_reqd(phba, cmdiocb, rspiocb)) {
+ lpfc_retry_pport_discovery(phba);
+ goto out;
+ }
+
/* Check for retry */
if (lpfc_els_retry(phba, cmdiocb, rspiocb))
goto out;
@@ -6076,6 +6182,7 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto fdisc_failed;
}
spin_lock_irq(shost->host_lock);
+ vport->fc_flag &= ~FC_VPORT_CVL_RCVD;
vport->fc_flag |= FC_FABRIC;
if (vport->phba->fc_topology == TOPOLOGY_LOOP)
vport->fc_flag |= FC_PUBLIC_LOOP;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 07:24:38 +0000