diff mbox series

[1/2] libfc: If PRLI rejected, move rport to PLOGI state.

Message ID 20200327060208.17104-2-skashyap@marvell.com (mailing list archive)
State Mainlined
Commit 45e544bfdab2014d11c7595b8ccc3c4715a09015
Headers show
Series libfc: Move to PLOGI state on RJT and retry exhaustion. | expand

Commit Message

Saurav Kashyap March 27, 2020, 6:02 a.m. UTC 
From: Javed Hasan <jhasan@marvell.com>

-If PRLI reject code indicates "rejected status",
   move rport state machine back to PLOGI state.

Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
---
 drivers/scsi/libfc/fc_rport.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index da6e97d..6bb8917 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);
 	}