[SCSI] lpfc 8.3.21: RRQ Implementation fixes

RRQ Implementation fixes

- Added checks to prevent a call to findnode_did in clr_active_rrq
- Added the del_sync_timer call for the rrq_tmr to the stop_hba_timers routine.
- Added a check in __lpfc_set_active_rrq for the driver unloading to prevent
  adding an rrq when the driver is being removed.
- Add code to scsi_iocb_cmpl to check for the remote stop and add the rrq.
- Added the same check to els retry.
- Added code to compare the source did in the els rrq to the vports did and
  chose the right exchange ID.
- Initialize the start_cmd pointer to indicate when we have looped through
  all of the scsi buffers.
- Remove the need for the lock around the clearing of the active bit in the
  rrq.
- Added code to clean the els and fcp xri aborted list and remove the all of
  the RRQs for a deleted vport.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 1f9c7f19c31f..63300be2e45b 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -3160,7 +3160,7 @@ lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
         spin_unlock_irq(shost->host_lock);
         vport->unreg_vpi_cmpl = VPORT_OK;
         mempool_free(pmb, phba->mbox_mem_pool);
-        lpfc_cleanup_vports_rrqs(vport);
+        lpfc_cleanup_vports_rrqs(vport, NULL);
         /*
          * This shost reference might have been taken at the beginning of
          * lpfc_vport_delete()
@@ -3900,6 +3900,8 @@ lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
         if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
                 return;
         lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE);
+        if (vport->phba->sli_rev == LPFC_SLI_REV4)
+                lpfc_cleanup_vports_rrqs(vport, ndlp);
         lpfc_nlp_put(ndlp);
         return;
 }
@@ -4289,7 +4291,7 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 
         list_del_init(&ndlp->els_retry_evt.evt_listp);
         list_del_init(&ndlp->dev_loss_evt.evt_listp);
-
+        lpfc_cleanup_vports_rrqs(vport, ndlp);
         lpfc_unreg_rpi(vport, ndlp);
 
         return 0;