From: Quinn Tran qutran@marvell.com
[ Upstream commit aec55325ddec975216119da000092cb8664a3399 ]
After initiator has burned up all login retries, 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.
Link: https://lore.kernel.org/r/20220607044627.19563-11-njavali@marvell.com 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 Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/qla2xxx/qla_init.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 2bed5050bcaf..49cfe8c9f3bb 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -2125,6 +2125,13 @@ 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++;