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scsi: qla2xxx: edif: Fix n2n login retry for secure device

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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>
This commit is contained in:
Quinn Tran 2022-06-06 21:46:26 -07:00 committed by Martin K. Petersen
parent 789d54a417
commit aec55325dd
1 changed files with 7 additions and 0 deletions
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7
drivers/scsi/qla2xxx/qla_init.c
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@ -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++;