From patchwork Fri Mar 27 06:02:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saurav Kashyap X-Patchwork-Id: 11461679 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 0059A13A4 for ; Fri, 27 Mar 2020 06:02:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D2CE820716 for ; Fri, 27 Mar 2020 06:02:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="e3we/JDF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726096AbgC0GCO (ORCPT ); Fri, 27 Mar 2020 02:02:14 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:31992 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725857AbgC0GCO (ORCPT ); Fri, 27 Mar 2020 02:02:14 -0400 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 02R60YiH020330 for ; Thu, 26 Mar 2020 23:02:13 -0700 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=pfpt0818; bh=bCsK1FQ2xIZQ7l7wb2MlCNuz8qzASUL7nMa79fq/MGo=; b=e3we/JDFkBOzPz38kjsarETUTVA7TCWAUNug7+PzF9tP3q1gxhcLEHzfRDKU1viVj3zj 64dffPTKv75NHE2MWOwk6Z7YzE7L8uYu8C2DxhBq/19+WwG9uak3i4rO4BnpCXJ3TvQS gmP/uG8Dg2yLC8jJ/ILU9ahKaRbCXUuUNv0WKzqzsR21Cb0CneFaRdwL3hMa/9W+OvqD GVXYJBXTclcvmQvOSwW+U617ZA7EBdZb/fg5oKGivFHSO5LpFxmFgyx5PdfmvCfO3FJv tIb4Hmci81H/OdFlDyDiWE1xifhSPY9qF1TUlPDc/UL0BmCN+8znaW/UEPIVlZchh/T1 fQ== Received: from sc-exch03.marvell.com ([199.233.58.183]) by mx0a-0016f401.pphosted.com with ESMTP id 2ywg9p1f1g-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Thu, 26 Mar 2020 23:02:13 -0700 Received: from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 26 Mar 2020 23:02:11 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 26 Mar 2020 23:02:11 -0700 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id ECFB73F703F; Thu, 26 Mar 2020 23:02:11 -0700 (PDT) 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 02R62BFJ017143; Thu, 26 Mar 2020 23:02:11 -0700 Received: (from root@localhost) by dut1171.mv.qlogic.com (8.14.7/8.14.7/Submit) id 02R62BOo017142; Thu, 26 Mar 2020 23:02:11 -0700 From: Saurav Kashyap To: CC: , , Subject: [PATCH 1/2] libfc: If PRLI rejected, move rport to PLOGI state. Date: Thu, 26 Mar 2020 23:02:07 -0700 Message-ID: <20200327060208.17104-2-skashyap@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20200327060208.17104-1-skashyap@marvell.com> References: <20200327060208.17104-1-skashyap@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.645 definitions=2020-03-26_14:2020-03-26,2020-03-26 signatures=0 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Javed Hasan -If PRLI reject code indicates "rejected status", move rport state machine back to PLOGI state. Signed-off-by: Javed Hasan Signed-off-by: Saurav Kashyap --- drivers/scsi/libfc/fc_rport.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index da6e97d..6bb8917 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -1208,9 +1208,15 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, rjt = fc_frame_payload_get(fp, sizeof(*rjt)); if (!rjt) FC_RPORT_DBG(rdata, "PRLI bad response\n"); - else + else { FC_RPORT_DBG(rdata, "PRLI ELS rejected, reason %x expl %x\n", rjt->er_reason, rjt->er_explan); + if (rjt->er_reason == ELS_RJT_UNAB && + rjt->er_explan == ELS_EXPL_PLOGI_REQD) { + fc_rport_enter_plogi(rdata); + goto out; + } + } fc_rport_error_retry(rdata, FC_EX_ELS_RJT); }