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Commit a14c7711 authored Aug 23, 2017 by Joe Carnuccio Committed by Martin K. Petersen Aug 24, 2017

scsi: qla2xxx: Allow SNS fabric login to be retried



If SNS fabric login fails, set loop resync flag to retry via dpc.

Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

parent b85e0957

drivers/scsi/qla2xxx/qla_init.c

+5 −13

Original line number	Diff line number	Diff line
		@@ -4752,24 +4752,16 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
		qla2x00_fdmi_register(vha);

		/* Ensure we are logged into the SNS. */
		if (IS_FWI2_CAPABLE(ha))
		loop_id = NPH_SNS;
		else
		loop_id = SIMPLE_NAME_SERVER;
		loop_id = NPH_SNS_LID(ha);
		rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
		0xfc, mb, BIT_1\|BIT_0);
		if (rval != QLA_SUCCESS) {
		if (rval != QLA_SUCCESS \|\| mb[0] != MBS_COMMAND_COMPLETE) {
		ql_dbg(ql_dbg_disc, vha, 0x20a1,
		"Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
		loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
		set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
		return rval;
		}
		if (mb[0] != MBS_COMMAND_COMPLETE) {
		ql_dbg(ql_dbg_disc, vha, 0x20a1,
		"Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
		"mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
		mb[2], mb[6], mb[7]);
		return (QLA_SUCCESS);
		}

		if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
		if (qla2x00_rft_id(vha)) {
		/* EMPTY */