From patchwork Tue Apr 28 18:23:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "gregkh@linuxfoundation.org" X-Patchwork-Id: 226769 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C523C83000 for ; Tue, 28 Apr 2020 18:55:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78D7520575 for ; Tue, 28 Apr 2020 18:55:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588100118; bh=zxMAMCUGege0v8kJLkpgkDzKu7rKYEby4bGm0U/va+I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=hTENiZ2X4JcI7BCqhOP5tgv2Xe9DEQ41hzGhLVNJOsCFTXjsTERWpJQOgDrqjWyoL Dv5IDiR58BKzWxBoUiISJPKI285DJmseurZbarLyxE5ajmBio+j5TKV+jHQBrnAc6E 4YeAP9SyUj7wbdMAAwEalzX97QHRuPVbemojOcTE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728798AbgD1Scz (ORCPT ); Tue, 28 Apr 2020 14:32:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:49120 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729858AbgD1Scx (ORCPT ); Tue, 28 Apr 2020 14:32:53 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 62B8321841; Tue, 28 Apr 2020 18:32:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588098770; bh=zxMAMCUGege0v8kJLkpgkDzKu7rKYEby4bGm0U/va+I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qgFgEV7g1sJGBEzXYAs6K8O763aK+RYY5fCw4Kni6oENUQnRAjqmCSbzLW5tA5bCx W+D1uhAnC2kEnAWRPXktRbNJ9czON0JRxz+Cw+pnaiNgFI+4Wtbmw5oqM0VsiZuWAW 4XWmh7P3A/99M7xVxYNcV1tp1rdW8HrIygQR9RRA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Javed Hasan , Saurav Kashyap , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 5.4 013/168] scsi: libfc: If PRLI rejected, move rport to PLOGI state Date: Tue, 28 Apr 2020 20:23:07 +0200 Message-Id: <20200428182233.372529129@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200428182231.704304409@linuxfoundation.org> References: <20200428182231.704304409@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Javed Hasan [ Upstream commit 45e544bfdab2014d11c7595b8ccc3c4715a09015 ] If PRLI reject code indicates "rejected status", move rport state machine back to PLOGI state. Link: https://lore.kernel.org/r/20200327060208.17104-2-skashyap@marvell.com Signed-off-by: Javed Hasan Signed-off-by: Saurav Kashyap Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- 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 da6e97d8dc3bb..6bb8917b99a19 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); }