scsi: qla2xxx: Allow target mode to accept PRLI in dual mode
For Dual Mode, Initiator side of the driver finish login,
target side receive PRLI, but driver terminates PRLI.
This patch allows target side to go ahead and accept PRLI.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index db6fd3b..52a4121 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -4682,7 +4682,7 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
uint16_t wd3_lo;
int res = 0;
struct qlt_plogi_ack_t *pla;
- unsigned long flags;
+ unsigned long flags = 0;
wwn = wwn_to_u64(iocb->u.isp24.port_name);
@@ -4818,8 +4818,14 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
}
if (sess != NULL) {
- if (sess->fw_login_state != DSC_LS_PLOGI_PEND &&
- sess->fw_login_state != DSC_LS_PLOGI_COMP) {
+ spin_lock_irqsave(&tgt->ha->tgt.sess_lock, flags);
+ switch (sess->fw_login_state) {
+ case DSC_LS_PLOGI_COMP:
+ case DSC_LS_PRLI_COMP:
+ break;
+ default:
+ spin_unlock_irqrestore(&tgt->ha->tgt.sess_lock,
+ flags);
/*
* Impatient initiator sent PRLI before last
* PLOGI could finish. Will force him to re-try,
@@ -4830,6 +4836,8 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
sess);
qlt_send_term_imm_notif(vha, iocb, 1);
res = 0;
+ spin_lock_irqsave(&tgt->ha->tgt.sess_lock,
+ flags);
break;
}
@@ -4853,6 +4861,8 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
sess->port_type = FCT_INITIATOR;
else
sess->port_type = FCT_TARGET;
+
+ spin_unlock_irqrestore(&tgt->ha->tgt.sess_lock, flags);
}
res = 1; /* send notify ack */