scsi: qla2xxx: edif: Fix stale session

When firmware indicates session has been torn down via UPDATE SA IOCB or
ELS Passthrough IOCB, the driver needs to also tear down the session.

Link: https://lore.kernel.org/r/20210817051315.2477-2-njavali@marvell.comSigned-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>

drivers/scsi/qla2xxx/qla_edif.c

@@ -2674,6 +2674,14 @@ qla28xx_sa_update_iocb_entry(scsi_qla_host_t *v, struct req_que *req,
 		    __func__, pkt->sa_index, nport_handle);
 		qla_edif_sadb_delete_sa_index(sp->fcport, nport_handle,
 		    le16_to_cpu(pkt->sa_index));
+		switch (le16_to_cpu(pkt->u.comp_sts)) {
+		case CS_PORT_EDIF_UNAVAIL:
+		case CS_PORT_EDIF_LOGOUT:
+			qlt_schedule_sess_for_deletion(sp->fcport);
+			break;
+		default:
+			break;
+		}
 	}
 
 	sp->done(sp, 0);

drivers/scsi/qla2xxx/qla_edif.h

@@ -63,6 +63,8 @@ struct sa_update_28xx {
 	union {
 		__le16 nport_handle;  /* in: N_PORT handle. */
 		__le16 comp_sts;              /* out: completion status */
+#define CS_PORT_EDIF_UNAVAIL	0x28
+#define CS_PORT_EDIF_LOGOUT	0x29
 #define CS_PORT_EDIF_SUPP_NOT_RDY 0x64
 #define CS_PORT_EDIF_INV_REQ      0x66
 	} u;

drivers/scsi/qla2xxx/qla_isr.c

@@ -2235,6 +2235,7 @@ qla24xx_els_ct_entry(scsi_qla_host_t *v, struct req_que *req,
 			} else if (comp_status == CS_PORT_LOGGED_OUT) {
 				els->u.els_plogi.len = 0;
 				res = DID_IMM_RETRY << 16;
+				qlt_schedule_sess_for_deletion(sp->fcport);
 			} else {
 				els->u.els_plogi.len = 0;
 				res = DID_ERROR << 16;