From mboxrd@z Thu Jan 1 00:00:00 1970 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 9CEE3C282E7 for ; Mon, 15 Aug 2022 21:36:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348361AbiHOVgm (ORCPT ); Mon, 15 Aug 2022 17:36:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241500AbiHOVeI (ORCPT ); Mon, 15 Aug 2022 17:34:08 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F2C1375CED; Mon, 15 Aug 2022 12:24:49 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 2EB4EB81126; Mon, 15 Aug 2022 19:24:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74175C433C1; Mon, 15 Aug 2022 19:24:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660591486; bh=mRN+4lFH/UimAOYwqFZmkEk6HCUaxjjt8ALsrbdobtI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yz62bFEzOO50zdGRk7T686/nWQkR5iSODIfZaJ0aLluXq9LDgeGOBWvxLb/YlRX/H p2fD9qFfH1/p6FHaj39gbGLx9Bt3DBt5utXa2ETRw8uNE2Mhg78WbrfYDljc+UE0e/ PZZoV9G2XsE0W2foqj6W7HadOkqyq5NZoNomaEIY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Himanshu Madhani , Quinn Tran , Nilesh Javali , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 5.18 0578/1095] scsi: qla2xxx: edif: Fix session thrash Date: Mon, 15 Aug 2022 19:59:37 +0200 Message-Id: <20220815180453.491081599@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180429.240518113@linuxfoundation.org> References: <20220815180429.240518113@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Quinn Tran [ Upstream commit a8fdfb0b39c2b31722c70bdf2272b949d5af4b7b ] Current code prematurely sends out PRLI before authentication application has given the OK to do so. This causes PRLI failure and session teardown. Prevents PRLI from going out before authentication app gives the OK. Link: https://lore.kernel.org/r/20220608115849.16693-7-njavali@marvell.com Fixes: 91f6f5fbe87b ("scsi: qla2xxx: edif: Reduce connection thrash") Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/qla2xxx/qla_edif.c | 2 +- drivers/scsi/qla2xxx/qla_edif.h | 4 ++++ drivers/scsi/qla2xxx/qla_init.c | 10 +++++++++- 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index 9020cc3c61df..3f886b86d74a 100644 --- a/drivers/scsi/qla2xxx/qla_edif.c +++ b/drivers/scsi/qla2xxx/qla_edif.c @@ -3589,7 +3589,7 @@ int qla_edif_process_els(scsi_qla_host_t *vha, struct bsg_job *bsg_job) if (qla_bsg_check(vha, bsg_job, fcport)) return 0; - if (fcport->loop_id == FC_NO_LOOP_ID) { + if (EDIF_SESS_DELETE(fcport)) { ql_dbg(ql_dbg_edif, vha, 0x910d, "%s ELS code %x, no loop id.\n", __func__, bsg_request->rqst_data.r_els.els_code); diff --git a/drivers/scsi/qla2xxx/qla_edif.h b/drivers/scsi/qla2xxx/qla_edif.h index 3561e22b8f0f..7cdb89ccdc6e 100644 --- a/drivers/scsi/qla2xxx/qla_edif.h +++ b/drivers/scsi/qla2xxx/qla_edif.h @@ -141,4 +141,8 @@ struct enode { (DBELL_ACTIVE(_fcport->vha) && \ (_fcport->disc_state == DSC_LOGIN_AUTH_PEND)) +#define EDIF_SESS_DELETE(_s) \ + (qla_ini_mode_enabled(_s->vha) && (_s->disc_state == DSC_DELETE_PEND || \ + _s->disc_state == DSC_DELETED)) + #endif /* __QLA_EDIF_H */ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 177ce45b76a6..7bd10b4ed9ed 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1762,8 +1762,16 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) break; case DSC_LOGIN_PEND: - if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) + if (vha->hw->flags.edif_enabled) + break; + + if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) { + ql_dbg(ql_dbg_disc, vha, 0x2118, + "%s %d %8phC post %s PRLI\n", + __func__, __LINE__, fcport->port_name, + NVME_TARGET(vha->hw, fcport) ? "NVME" : "FC"); qla24xx_post_prli_work(vha, fcport); + } break; case DSC_UPD_FCPORT: -- 2.35.1