[SCSI] lpfc 8.3.38: Fixed degraded performance after cable pulls
The service parameters for the VPI/RPIs were incorrect, resulting in
lower utilization
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index b7a61ff..bbed847 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -484,6 +484,7 @@
vport->port_state = LPFC_FABRIC_CFG_LINK;
memcpy(dmabuf->virt, &phba->fc_fabparam, sizeof(vport->fc_sparam));
lpfc_reg_vfi(mboxq, vport, dmabuf->phys);
+
mboxq->mbox_cmpl = lpfc_mbx_cmpl_reg_vfi;
mboxq->vport = vport;
mboxq->context1 = dmabuf;
@@ -700,6 +701,20 @@
}
}
+ /*
+ * For FC we need to do some special processing because of the SLI
+ * Port's default settings of the Common Service Parameters.
+ */
+ if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) {
+ /* If physical FC port changed, unreg VFI and ALL VPIs / RPIs */
+ if ((phba->sli_rev == LPFC_SLI_REV4) && fabric_param_changed)
+ lpfc_unregister_fcf_prep(phba);
+
+ /* This should just update the VFI CSPs*/
+ if (vport->fc_flag & FC_VFI_REGISTERED)
+ lpfc_issue_reg_vfi(vport);
+ }
+
if (fabric_param_changed &&
!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) {