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path: root/drivers/scsi/lpfc/lpfc_init.c
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-rw-r--r--drivers/scsi/lpfc/lpfc_init.c132
1 files changed, 85 insertions, 47 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 2786ee3b605d..da9ba06ad583 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1032,27 +1032,46 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba)
/* If there is no heart beat outstanding, issue a heartbeat command */
if (phba->cfg_enable_hba_heartbeat) {
if (!phba->hb_outstanding) {
- pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
- if (!pmboxq) {
- mod_timer(&phba->hb_tmofunc,
- jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
- return;
- }
+ if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
+ (list_empty(&psli->mboxq))) {
+ pmboxq = mempool_alloc(phba->mbox_mem_pool,
+ GFP_KERNEL);
+ if (!pmboxq) {
+ mod_timer(&phba->hb_tmofunc,
+ jiffies +
+ HZ * LPFC_HB_MBOX_INTERVAL);
+ return;
+ }
- lpfc_heart_beat(phba, pmboxq);
- pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
- pmboxq->vport = phba->pport;
- retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
+ lpfc_heart_beat(phba, pmboxq);
+ pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
+ pmboxq->vport = phba->pport;
+ retval = lpfc_sli_issue_mbox(phba, pmboxq,
+ MBX_NOWAIT);
+
+ if (retval != MBX_BUSY &&
+ retval != MBX_SUCCESS) {
+ mempool_free(pmboxq,
+ phba->mbox_mem_pool);
+ mod_timer(&phba->hb_tmofunc,
+ jiffies +
+ HZ * LPFC_HB_MBOX_INTERVAL);
+ return;
+ }
+ phba->skipped_hb = 0;
+ phba->hb_outstanding = 1;
+ } else if (time_before_eq(phba->last_completion_time,
+ phba->skipped_hb)) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "2857 Last completion time not "
+ " updated in %d ms\n",
+ jiffies_to_msecs(jiffies
+ - phba->last_completion_time));
+ } else
+ phba->skipped_hb = jiffies;
- if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
- mempool_free(pmboxq, phba->mbox_mem_pool);
- mod_timer(&phba->hb_tmofunc,
- jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
- return;
- }
mod_timer(&phba->hb_tmofunc,
jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
- phba->hb_outstanding = 1;
return;
} else {
/*
@@ -3281,10 +3300,10 @@ lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
if (!ndlp)
return 0;
}
- if (phba->pport->port_state <= LPFC_FLOGI)
+ if (phba->pport->port_state < LPFC_FLOGI)
return NULL;
/* If virtual link is not yet instantiated ignore CVL */
- if (vport->port_state <= LPFC_FDISC)
+ if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC))
return NULL;
shost = lpfc_shost_from_vport(vport);
if (!shost)
@@ -3357,21 +3376,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
"evt_tag:x%x, fcf_index:x%x\n",
acqe_fcoe->event_tag,
acqe_fcoe->index);
- /* If the FCF discovery is in progress, do nothing. */
- spin_lock_irq(&phba->hbalock);
- if (phba->hba_flag & FCF_DISC_INPROGRESS) {
- spin_unlock_irq(&phba->hbalock);
- break;
- }
- /* If fast FCF failover rescan event is pending, do nothing */
- if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
- spin_unlock_irq(&phba->hbalock);
- break;
- }
- spin_unlock_irq(&phba->hbalock);
-
- if ((phba->fcf.fcf_flag & FCF_DISCOVERY) &&
- !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
+ if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
/*
* During period of FCF discovery, read the FCF
* table record indexed by the event to update
@@ -3385,13 +3390,26 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
acqe_fcoe->index);
rc = lpfc_sli4_read_fcf_rec(phba, acqe_fcoe->index);
}
- /* If the FCF has been in discovered state, do nothing. */
+
+ /* If the FCF discovery is in progress, do nothing. */
spin_lock_irq(&phba->hbalock);
+ if (phba->hba_flag & FCF_DISC_INPROGRESS) {
+ spin_unlock_irq(&phba->hbalock);
+ break;
+ }
+ /* If fast FCF failover rescan event is pending, do nothing */
+ if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
+ spin_unlock_irq(&phba->hbalock);
+ break;
+ }
+
+ /* If the FCF has been in discovered state, do nothing. */
if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
spin_unlock_irq(&phba->hbalock);
break;
}
spin_unlock_irq(&phba->hbalock);
+
/* Otherwise, scan the entire FCF table and re-discover SAN */
lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
"2770 Start FCF table scan due to new FCF "
@@ -3417,13 +3435,9 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
"2549 FCF disconnected from network index 0x%x"
" tag 0x%x\n", acqe_fcoe->index,
acqe_fcoe->event_tag);
- /* If the event is not for currently used fcf do nothing */
- if (phba->fcf.current_rec.fcf_indx != acqe_fcoe->index)
- break;
- /* We request port to rediscover the entire FCF table for
- * a fast recovery from case that the current FCF record
- * is no longer valid if we are not in the middle of FCF
- * failover process already.
+ /*
+ * If we are in the middle of FCF failover process, clear
+ * the corresponding FCF bit in the roundrobin bitmap.
*/
spin_lock_irq(&phba->hbalock);
if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
@@ -3432,9 +3446,23 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
lpfc_sli4_fcf_rr_index_clear(phba, acqe_fcoe->index);
break;
}
+ spin_unlock_irq(&phba->hbalock);
+
+ /* If the event is not for currently used fcf do nothing */
+ if (phba->fcf.current_rec.fcf_indx != acqe_fcoe->index)
+ break;
+
+ /*
+ * Otherwise, request the port to rediscover the entire FCF
+ * table for a fast recovery from case that the current FCF
+ * is no longer valid as we are not in the middle of FCF
+ * failover process already.
+ */
+ spin_lock_irq(&phba->hbalock);
/* Mark the fast failover process in progress */
phba->fcf.fcf_flag |= FCF_DEAD_DISC;
spin_unlock_irq(&phba->hbalock);
+
lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
"2771 Start FCF fast failover process due to "
"FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
@@ -3454,12 +3482,16 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
* as a link down to FCF registration.
*/
lpfc_sli4_fcf_dead_failthrough(phba);
- } else
- /* Handling fast FCF failover to a DEAD FCF event
- * is considered equalivant to receiving CVL to all
- * vports.
+ } else {
+ /* Reset FCF roundrobin bmask for new discovery */
+ memset(phba->fcf.fcf_rr_bmask, 0,
+ sizeof(*phba->fcf.fcf_rr_bmask));
+ /*
+ * Handling fast FCF failover to a DEAD FCF event is
+ * considered equalivant to receiving CVL to all vports.
*/
lpfc_sli4_perform_all_vport_cvl(phba);
+ }
break;
case LPFC_FCOE_EVENT_TYPE_CVL:
lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
@@ -3534,7 +3566,13 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
* the current registered FCF entry.
*/
lpfc_retry_pport_discovery(phba);
- }
+ } else
+ /*
+ * Reset FCF roundrobin bmask for new
+ * discovery.
+ */
+ memset(phba->fcf.fcf_rr_bmask, 0,
+ sizeof(*phba->fcf.fcf_rr_bmask));
}
break;
default:
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.