From patchwork Mon Nov 25 16:57:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 11260681 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5C99C1863 for ; Mon, 25 Nov 2019 16:57:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3D86320740 for ; Mon, 25 Nov 2019 16:57:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=yadro.com header.i=@yadro.com header.b="qKDFCLJN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728972AbfKYQ5Y (ORCPT ); Mon, 25 Nov 2019 11:57:24 -0500 Received: from mta-02.yadro.com ([89.207.88.252]:39684 "EHLO mta-01.yadro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728950AbfKYQ5X (ORCPT ); Mon, 25 Nov 2019 11:57:23 -0500 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id 0025743E1F; Mon, 25 Nov 2019 16:57:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1574701040; x=1576515441; bh=WLKCUFtCN4QSAWRWp4ky0Lu8faDSHQSQZeK /eZaDa4U=; b=qKDFCLJNXA6sYKHHx+4FVGhRuGLeypy2QOZcVrRcCEiaSKYOYcL oR2QxWLyFFbJpkBmps5iPBpvDIlTjnted3xCWEoKVaaiErDkSqMfOLDaQfW0cUI7 x5hyh48ntIFD8WU6run1hBuign8f3zmbepP24B9jWnD3bTM/iBnKIzjU= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NLa3vh8t3Et8; Mon, 25 Nov 2019 19:57:20 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 98B9C43E21; Mon, 25 Nov 2019 19:57:18 +0300 (MSK) Received: from localhost (172.17.128.60) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Mon, 25 Nov 2019 19:57:18 +0300 From: Roman Bolshakov To: , CC: , Roman Bolshakov , Quinn Tran , Himanshu Madhani , Hannes Reinecke Subject: [PATCH v3 12/13] scsi: qla2xxx: Ignore PORT UPDATE after N2N PLOGI Date: Mon, 25 Nov 2019 19:57:01 +0300 Message-ID: <20191125165702.1013-13-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191125165702.1013-1-r.bolshakov@yadro.com> References: <20191125165702.1013-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.128.60] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Sender: target-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org PORT UPDATE asynchronous event is generated on the host that issues PLOGI ELS (in the case of higher WWPN). In that case, the event shouldn't be handled as it sets unwanted DPC flags (i.e. LOOP_RESYNC_NEEDED) that trigger link flap. Ignore the event if the host has higher WWPN, but handle otherwise. Cc: Quinn Tran Acked-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Tested-by: Hannes Reinecke Signed-off-by: Roman Bolshakov --- drivers/scsi/qla2xxx/qla_mbx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 4eb88c3ee08e..bb6811b94683 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3920,6 +3920,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, vha->d_id.b24 = 0; vha->d_id.b.al_pa = 1; ha->flags.n2n_bigger = 1; + ha->flags.n2n_ae = 0; id.b.al_pa = 2; ql_dbg(ql_dbg_async, vha, 0x5075, @@ -3930,6 +3931,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, "Format 1: Remote login - Waiting for WWPN %8phC.\n", rptid_entry->u.f1.port_name); ha->flags.n2n_bigger = 0; + ha->flags.n2n_ae = 1; } qla24xx_post_newsess_work(vha, &id, rptid_entry->u.f1.port_name, @@ -3941,7 +3943,6 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, /* if our portname is higher then initiate N2N login */ set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags); - ha->flags.n2n_ae = 1; return; break; case TOPO_FL: