From patchwork Tue Mar 8 08:20:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 549609 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09589C433FE for ; Tue, 8 Mar 2022 08:21:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344954AbiCHIWS (ORCPT ); Tue, 8 Mar 2022 03:22:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344958AbiCHIWI (ORCPT ); Tue, 8 Mar 2022 03:22:08 -0500 Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14D4D3F337 for ; Tue, 8 Mar 2022 00:21:11 -0800 (PST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 22881NIE019263 for ; Tue, 8 Mar 2022 00:21:10 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=WauoYmXPAzia8qIEqGeMdO4HverGL8Dm4HD5UNAkHRs=; b=Fi7f/ks81tQnpQSthqjECa0Hg1neObrhQg8hyX83kwvaSdSKvihUTJoFZqcr5bvkgQUp xQCT5f0bTj7stDQUyqQFOg3ZCIP2P75WiZgsB8X3X7Kho+OcMcgRyyWGF1I0crZlgQM0 YmL0hpoBrFYgzRoyoOFG0TuS3VsUSs4uE3ToDEGNBBTqwsV6AH2TzMRvlg7INNvf/LIA rduhEmf06f3mJOWVOhzKZhGQ2BSiaJgj/obDna7nDCCQICLKAYGvxIWJ/u6zUORhhzpO xq0j9PwRqIIwqCTK6eHagGnXEdhSUChuAC+bgEv13iPbSkm77/9Mfvbm2XRCHtWgOfEZ KQ== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3ep38p838b-7 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Tue, 08 Mar 2022 00:21:10 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 8 Mar 2022 00:21:06 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 8 Mar 2022 00:21:06 -0800 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id 4F02B5B6930; Tue, 8 Mar 2022 00:21:06 -0800 (PST) Received: from dut1171.mv.qlogic.com (localhost [127.0.0.1]) by dut1171.mv.qlogic.com (8.14.7/8.14.7) with ESMTP id 2288L6Ux009845; Tue, 8 Mar 2022 00:21:06 -0800 Received: (from root@localhost) by dut1171.mv.qlogic.com (8.14.7/8.14.7/Submit) id 2288L66L009844; Tue, 8 Mar 2022 00:21:06 -0800 From: Nilesh Javali To: CC: , Subject: [PATCH 09/13] qla2xxx: reduce false trigger to login Date: Tue, 8 Mar 2022 00:20:44 -0800 Message-ID: <20220308082048.9774-10-njavali@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20220308082048.9774-1-njavali@marvell.com> References: <20220308082048.9774-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: JjnZn8_b3TdJHLIeU0tjRRly6SyAnrJs X-Proofpoint-ORIG-GUID: JjnZn8_b3TdJHLIeU0tjRRly6SyAnrJs X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-08_03,2022-03-04_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Quinn Tran While a session is in the middle of a relogin, a late RSCN can be delivered from switch. RSCN trigger fabric scan where the scan logic can trigger another session login while a login is in progress. This patch reduce the extra trigger to prevent multiple login to the same session. Cc: stable@vger.kernel.org Fixes: bee8b84686c4 ("scsi: qla2xxx: Reduce redundant ADISC command for RSCNs") Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Reviewed-by: Himanshu Madhani --- drivers/scsi/qla2xxx/qla_init.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 3c58a2911937..a53894444460 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1644,7 +1644,8 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) fcport->login_gen, fcport->loop_id, fcport->scan_state, fcport->fc4_type); - if (fcport->scan_state != QLA_FCPORT_FOUND) + if (fcport->scan_state != QLA_FCPORT_FOUND || + fcport->disc_state == DSC_DELETE_PEND) return 0; if ((fcport->loop_id != FC_NO_LOOP_ID) && @@ -1665,7 +1666,7 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw)) return 0; - if (fcport->flags & FCF_ASYNC_SENT) { + if (fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE)) { set_bit(RELOGIN_NEEDED, &vha->dpc_flags); return 0; }