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Commit 040036bb authored Dec 28, 2017 by Quinn Tran Committed by Martin K. Petersen Jan 03, 2018

scsi: qla2xxx: Delay loop id allocation at login



Delay loop id allocation to login time

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>

parent 604e2e57

drivers/scsi/qla2xxx/qla_init.c

+35 −29

Original line number	Diff line number	Diff line
		@@ -580,10 +580,6 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,

		if (!found) {
		/* fw has no record of this port */
		if (fcport->loop_id == FC_NO_LOOP_ID) {
		qla2x00_find_new_loop_id(vha, fcport);
		fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
		} else {
		for (i = 0; i < n; i++) {
		e = &vha->gnl.l[i];
		id.b.domain = e->port_id[0];
		@@ -596,7 +592,6 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
		conflict_fcport =
		qla2x00_find_fcport_by_wwpn(vha,
		e->port_name, 0);

		ql_dbg(ql_dbg_disc, vha, 0x20e6,
		"%s %d %8phC post del sess\n",
		__func__, __LINE__,
		@@ -605,11 +600,9 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
		(conflict_fcport, 1);
		}

		if (fcport->loop_id == loop_id) {
		/* FW already picked this loop id for another fcport */
		qla2x00_find_new_loop_id(vha, fcport);
		}
		}
		if (fcport->loop_id == loop_id)
		fcport->loop_id = FC_NO_LOOP_ID;
		}
		qla24xx_fcport_handle_login(vha, fcport);
		}
		@@ -1104,6 +1097,7 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t vha, struct event_arg ea)
		static void qla_chk_n2n_b4_login(struct scsi_qla_host vha, fc_port_t fcport)
		{
		u8 login = 0;
		int rc;

		if (qla_tgt_mode_enabled(vha))
		return;
		@@ -1129,6 +1123,18 @@ static void qla_chk_n2n_b4_login(struct scsi_qla_host vha, fc_port_t fcport)
		}

		if (login) {
		if (fcport->loop_id == FC_NO_LOOP_ID) {
		fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
		rc = qla2x00_find_new_loop_id(vha, fcport);
		if (rc) {
		ql_dbg(ql_dbg_disc, vha, 0x20e6,
		"%s %d %8phC post del sess - out of loopid\n",
		__func__, __LINE__, fcport->port_name);
		fcport->scan_state = 0;
		qlt_schedule_sess_for_deletion(fcport, true);
		return;
		}
		}
		ql_dbg(ql_dbg_disc, vha, 0x20bf,
		"%s %d %8phC post login\n",
		__func__, __LINE__, fcport->port_name);