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[10/11] qla2xxx: edif: fix n2n login retry for secure device

Message ID 20220607044627.19563-11-njavali@marvell.com
State New
Headers show
Series Misc EDiF bug fixes | expand

Commit Message

Nilesh Javali June 7, 2022, 4:46 a.m. UTC 
From: Quinn Tran <qutran@marvell.com>

After initiator has burn up all login retry, target authentication
application begins to run. This triggers a link bounce on target side.
Initiator will attempt another login. Due to N2N, the prli [nvme | fcp]
can fail because of the mode mismatch with target. This patch add a
few more login retries to revive the connection.

Fixes: 4de067e5df12 ("scsi: qla2xxx: edif: Add N2N support for EDIF")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
---
 drivers/scsi/qla2xxx/qla_init.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index ec1722e86f10..d915c1f85fa2 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -2123,6 +2123,13 @@  qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
 		}
 
 		if (N2N_TOPO(vha->hw)) {
+			if (ea->fcport->n2n_link_reset_cnt ==
+			    vha->hw->login_retry_count &&
+			    ea->fcport->flags & FCF_FCSP_DEVICE) {
+				/* remote authentication app just started */
+				ea->fcport->n2n_link_reset_cnt = 0;
+			}
+
 			if (ea->fcport->n2n_link_reset_cnt <
 			    vha->hw->login_retry_count) {
 				ea->fcport->n2n_link_reset_cnt++;