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authorJaved Hasan <jhasan@marvell.com>2020-03-27 07:02:07 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2020-03-30 00:10:59 +0200
commit45e544bfdab2014d11c7595b8ccc3c4715a09015 (patch)
tree32452e98989fd496ae5621531fa3c972a8f046e9 /drivers/scsi/libfc/fc_rport.c
parentscsi: bnx2fc: Update the driver version to 2.12.13 (diff)
downloadlinux-45e544bfdab2014d11c7595b8ccc3c4715a09015.tar.xz
linux-45e544bfdab2014d11c7595b8ccc3c4715a09015.zip
scsi: libfc: If PRLI rejected, move rport to PLOGI state
If PRLI reject code indicates "rejected status", move rport state machine back to PLOGI state. Link: https://lore.kernel.org/r/20200327060208.17104-2-skashyap@marvell.com Signed-off-by: Javed Hasan <jhasan@marvell.com> Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/libfc/fc_rport.c')
-rw-r--r--drivers/scsi/libfc/fc_rport.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index da6e97d8dc3b..6bb8917b99a1 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -1208,9 +1208,15 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp,
rjt = fc_frame_payload_get(fp, sizeof(*rjt));
if (!rjt)
FC_RPORT_DBG(rdata, "PRLI bad response\n");
- else
+ else {
FC_RPORT_DBG(rdata, "PRLI ELS rejected, reason %x expl %x\n",
rjt->er_reason, rjt->er_explan);
+ if (rjt->er_reason == ELS_RJT_UNAB &&
+ rjt->er_explan == ELS_EXPL_PLOGI_REQD) {
+ fc_rport_enter_plogi(rdata);
+ goto out;
+ }
+ }
fc_rport_error_retry(rdata, FC_EX_ELS_RJT);
}