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=-12.8 required=3.0 tests=BAYES_00,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=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 01B97C433E3 for ; Mon, 17 Aug 2020 18:59:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C7997204EC for ; Mon, 17 Aug 2020 18:59:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597690768; bh=SOZN3vB8b/e9xXVr3NCnRkVcHjwE78Nhys0Nf+rGu6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=0dMqPQBOTn/7WS7tOgPgi1Yv3yn7IKLFdb/yQBb/bn9NxSXmqyJrJcsEHDKZctLmA DMafSmgXDLk77dhpqWxsT9k8gbUHnF6BZ3mnMNHL0g7UU7Q8wtpllr53l+oEaj1WtJ Z9mh+YMq02iNPQ3lreqYNk0CrFdGec61vGLBJszc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388755AbgHQS72 (ORCPT ); Mon, 17 Aug 2020 14:59:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:59920 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730855AbgHQPsc (ORCPT ); Mon, 17 Aug 2020 11:48:32 -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 55CA62067C; Mon, 17 Aug 2020 15:48:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597679310; bh=SOZN3vB8b/e9xXVr3NCnRkVcHjwE78Nhys0Nf+rGu6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CqhDwspYfQ+NgN7RlEBUlc56Np/+rsiVmWSyn6mJGVdTP4anChlndV4gSIiGk7zXF Jrm1LtLMS+rbJwL6/DqTDelsQN2iwwwTXbfKdL1Gg7OJUNSvepkiMNSHaO/QGht3lz N2AOih6PP0nmUNVQ1P8BeIUagE5WGFpp6FQFJbB0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Grygorii Strashko , "David S. Miller" , Sasha Levin Subject: [PATCH 5.7 168/393] net: ethernet: ti: am65-cpsw-nuss: restore vlan configuration while down/up Date: Mon, 17 Aug 2020 17:13:38 +0200 Message-Id: <20200817143827.769585713@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200817143819.579311991@linuxfoundation.org> References: <20200817143819.579311991@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Grygorii Strashko [ Upstream commit 7bcffde02152dd3cb180f6f3aef27e8586b2a905 ] The vlan configuration is not restored after interface down/up sequence. Steps to check: # ip link add link eth0 name eth0.100 type vlan id 100 # ifconfig eth0 down # ifconfig eth0 up This patch fixes it, restoring vlan ALE entries on .ndo_open(). Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver") Signed-off-by: Grygorii Strashko Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 3e4388e6b5fa1..61b59a3b277ec 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -217,6 +217,9 @@ static int am65_cpsw_nuss_ndo_slave_add_vid(struct net_device *ndev, u32 port_mask, unreg_mcast = 0; int ret; + if (!netif_running(ndev) || !vid) + return 0; + ret = pm_runtime_get_sync(common->dev); if (ret < 0) { pm_runtime_put_noidle(common->dev); @@ -240,6 +243,9 @@ static int am65_cpsw_nuss_ndo_slave_kill_vid(struct net_device *ndev, struct am65_cpsw_common *common = am65_ndev_to_common(ndev); int ret; + if (!netif_running(ndev) || !vid) + return 0; + ret = pm_runtime_get_sync(common->dev); if (ret < 0) { pm_runtime_put_noidle(common->dev); @@ -565,6 +571,16 @@ static int am65_cpsw_nuss_ndo_slave_stop(struct net_device *ndev) return 0; } +static int cpsw_restore_vlans(struct net_device *vdev, int vid, void *arg) +{ + struct am65_cpsw_port *port = arg; + + if (!vdev) + return 0; + + return am65_cpsw_nuss_ndo_slave_add_vid(port->ndev, 0, vid); +} + static int am65_cpsw_nuss_ndo_slave_open(struct net_device *ndev) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); @@ -638,6 +654,9 @@ static int am65_cpsw_nuss_ndo_slave_open(struct net_device *ndev) } } + /* restore vlan configurations */ + vlan_for_each(ndev, cpsw_restore_vlans, port); + phy_attached_info(port->slave.phy); phy_start(port->slave.phy); -- 2.25.1