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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 AB28EC282CA for ; Wed, 13 Feb 2019 02:47:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7C96F2175B for ; Wed, 13 Feb 2019 02:47:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550026054; bh=hNYgSYF+7FJqBh4MO/zgd+ObKS/4OEUSWkCtdkXWgus=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=1XS+1itu0kid5SU95rJonhP0ixkMUYLgC72LsTrnAgmPKw8eU++I6Djw/wLTDHIL/ d+bYBPETdm3WaA+SCMi7TI11MaFUXDIjzBHVwHAQH/pe1Axlm8pQiB9TIFW+cvIfb+ ct+EyI7Yc6LIY7VRmM/OXfTdsK2Mm6WaJHGAqpn4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389724AbfBMCrc (ORCPT ); Tue, 12 Feb 2019 21:47:32 -0500 Received: from mail.kernel.org ([198.145.29.99]:44192 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388995AbfBMCk2 (ORCPT ); Tue, 12 Feb 2019 21:40:28 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 543252175B; Wed, 13 Feb 2019 02:40:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550025628; bh=hNYgSYF+7FJqBh4MO/zgd+ObKS/4OEUSWkCtdkXWgus=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DgzIOZRv/+LoLz58dIAKj+wCVGWautqZnMjyU5wzbdy/+5CpCJFCsDRXjAtrQd8T8 LpMKqwQqZhS+cF/ZsMTs5FUxmkGN+VYG/Nrgn3NGgRUinY7y11z1LfnsDISvUceIBH otHUsT8tuBNIHoU0a3ffJB6Mq2rSw2HsindPNTkQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Manish Rangankar , "Martin K . Petersen" , Sasha Levin , linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 25/34] scsi: qedi: Add ep_state for login completion on un-reachable targets Date: Tue, 12 Feb 2019 21:39:43 -0500 Message-Id: <20190213023952.21311-25-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190213023952.21311-1-sashal@kernel.org> References: <20190213023952.21311-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Manish Rangankar [ Upstream commit 34a2ce887668db9dda4b56e6f155c49ac13f3e54 ] When the driver finds invalid destination MAC for the first un-reachable target, and before completes the PATH_REQ operation, set new ep_state to OFFLDCONN_NONE so that as part of driver ep_poll mechanism, the upper open-iscsi layer is notified to complete the login process on the first un-reachable target and thus proceed login to other reachable targets. Signed-off-by: Manish Rangankar Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/qedi/qedi_iscsi.c | 3 +++ drivers/scsi/qedi/qedi_iscsi.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index a02b34ea5cab..45f044f35cea 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -961,6 +961,7 @@ static int qedi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) qedi_ep = ep->dd_data; if (qedi_ep->state == EP_STATE_IDLE || + qedi_ep->state == EP_STATE_OFLDCONN_NONE || qedi_ep->state == EP_STATE_OFLDCONN_FAILED) return -1; @@ -1043,6 +1044,7 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep) switch (qedi_ep->state) { case EP_STATE_OFLDCONN_START: + case EP_STATE_OFLDCONN_NONE: goto ep_release_conn; case EP_STATE_OFLDCONN_FAILED: break; @@ -1233,6 +1235,7 @@ static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data) if (!is_valid_ether_addr(&path_data->mac_addr[0])) { QEDI_NOTICE(&qedi->dbg_ctx, "dst mac NOT VALID\n"); + qedi_ep->state = EP_STATE_OFLDCONN_NONE; ret = -EIO; goto set_path_exit; } diff --git a/drivers/scsi/qedi/qedi_iscsi.h b/drivers/scsi/qedi/qedi_iscsi.h index 3247287cb0e7..812b4b68e6e4 100644 --- a/drivers/scsi/qedi/qedi_iscsi.h +++ b/drivers/scsi/qedi/qedi_iscsi.h @@ -59,6 +59,7 @@ enum { EP_STATE_OFLDCONN_FAILED = 0x2000, EP_STATE_CONNECT_FAILED = 0x4000, EP_STATE_DISCONN_TIMEDOUT = 0x8000, + EP_STATE_OFLDCONN_NONE = 0x10000, }; struct qedi_conn; -- 2.19.1