From patchwork Thu Jul 9 05:57:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Frank Wunderlich X-Patchwork-Id: 1325736 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=public-files.de Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=gmx.net header.i=@gmx.net header.a=rsa-sha256 header.s=badeba3b8450 header.b=QBkJqIQO; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4B2QTl1YNTz9sRR for ; Thu, 9 Jul 2020 15:58:51 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726472AbgGIF6j (ORCPT ); Thu, 9 Jul 2020 01:58:39 -0400 Received: from mout.gmx.net ([212.227.15.18]:41727 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726119AbgGIF6i (ORCPT ); Thu, 9 Jul 2020 01:58:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1594274280; bh=TZyOZH4895BbG19FeNnP5yjeMPwsXxV4vbelAvplHBw=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date; b=QBkJqIQOi3Ezk6E5qvcxxXfpkAXw1PbdrY4RIcpGpU5Xwyf7W2vVjn0V1wZ6XjsdA VZ+SSuZIVEAZcahAE5LJyv8721HONnSS39X3UtDczbcWMBopJ4ujDXM+uRhaRISOtE UW60GY9lgNq5SPIAGgaCrcI9yfsT8ZZIwvTeeok0= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from localhost.localdomain ([80.208.213.58]) by mail.gmx.com (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MF3He-1k8ldY2LKS-00FSxk; Thu, 09 Jul 2020 07:58:00 +0200 From: Frank Wunderlich To: linux-mediatek@lists.infradead.org Cc: =?utf-8?q?Ren=C3=A9_van_Dorst?= , Felix Fietkau , John Crispin , Sean Wang , Mark Lee , "David S. Miller" , Jakub Kicinski , Matthias Brugger , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Frank Wunderlich Subject: [PATCH v2] net: ethernet: mtk_eth_soc: fix mtu warning Date: Thu, 9 Jul 2020 07:57:42 +0200 Message-Id: <20200709055742.3425-1-frank-w@public-files.de> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Provags-ID: V03:K1:Wiq1d0Rddq7HCel86HaixNIkmlj/ib233BDnqRUt+y8BT1RO3P0 KCVI1KoqMaaeH+Jnk7aRF5LN5LWIrxCy5SoM6qHoojl1Y9q7hd4SEuQ9BsurAKmIh4IZ1zs UNKnFIkIvAaj38rFsVzNuw6Fm0S41lXvLr4TsfQFYfaz3gLFwQlhW+8EJwv0sZcbieLvfNY Hsx+dBl35UMvQTDEG5WYg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:GJQnkQj6Nb8=:e3QUf6iX7w/bGxzDtL+VVs jk2SPQO+nbTdJvY/LeUEntYYjH3TMcN6x7qrdIoTQNRtcRp8uFpEzWVfgbMgOR78GudBWPBqP dFc58Yyab73JQqWzKHkdHkjOzTinxYTJVbcr9/6VurbXAgvDWlp2u2FzYn9pxt9hiRnk1IIUD VdaCFS/9O/UE/SiDsHv3HtlSSOBEfwjIALJG1sddZ8K5Vobmnz/LlXbrcjuSDl4a3cod1lyA0 VKMdRPmN0hghIeUa6JMorwpfNyIOvG3+GL8s4lBYcwaUlccqqmKLYsyDXlPPkPcxjtYYKslwq xyyviK2P+SjjIcr7pWpDmfpDTmut7GDcMt4tI19E1JqLzscmj5Z37kB+pguQo4qit04Cdx/Y6 flrAj2m5J+6B5ZCB9u2O4NObdlNrsso8y/XeC2QqaGCkA/eXFOSUuqkUGcDrNMPZfpvxFep3D flVKf1L9WALPO/Z4E9gG4hbdbLW+FXRss5Irq8a3oU9Eh94ia+0bv25QBpwKSm0Q9MSw109xr jJoflQJ+HVCMvmFNHfC1IDdfIfuyEFTgBG6UFMfULFPHXajROxympOid+ub/9ljPNu0J91aEu lc6nwOvsr0SIS4ccTmeGFrzLhPjsMmMvXfE9v2iQgKhkrjB7BKHIKsAbMvIUZmiW8M/VH0+BZ ZUix3SOI+7Sw2aQ9gGpmJETxzX/2q6lXqX90P37zgrX12W4X7OqeKIZ+DQCf0xfXYZ/RtD9Y/ rMLeTb+LfP75ejDzQXkOr/Gsyzqw3tY6YuPHUqnAx2anFT0dLlBwKBotcvkYfxT33rldIp6t5 FTL3SxA0e/wuLypT3Z01cKANwLl68V9VMLs4rzswRkkLI1YN3zjtQGMGSUhxbS468QnY/TiLN 6ejRpplKpxtaMMG7GAa7WA5brKvg01i8UBOEfYbTq9O4TvfOhgDHn/3VWwSYFhjAWMg3nUfDD stPWVYQhiE/XIBqj3RzHWpQGnuwKEnlnWrDF/+uKtMKW03sbDpXGTSZOJzluW9ngLm4MsDFmw 8Zpy93ahKjYC9IR0kGGmB9+tovjtJsVLVbG8Uydyf181xb+BTsoRDcuQOh2EC7KukQUEbLYhK l0XNKshQj4Q9mcZZIR7ul3ES+j6LMOgA9BXzj2985NZKHLkrvUdxnY2q31DrhHp4Q8Mhc/0GQ q+gvjrkhWqkIRUnTWKPe982fGbEGtmlu6V+YR/8V+DidFTv5whDsbyIPQGGFVZOual8DJksEh WOWsY314213II6zL7HloqXxJiwTRxprY8JVbDGQ== Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: René van Dorst in recent Kernel-Versions there are warnings about incorrect MTU-Size like these: mt7530 mdio-bus:00: nonfatal error -95 setting MTU on port x eth0: mtu greater than device maximum mtk_soc_eth 1b100000.ethernet eth0: error -22 setting MTU to include DSA overhead Fixes: bfcb813203e6 ("net: dsa: configure the MTU for switch ports") Fixes: 72579e14a1d3 ("net: dsa: don't fail to probe if we couldn't set the MTU") Fixes: 7a4c53bee332 ("net: report invalid mtu value via netlink extack") Signed-off-by: René van Dorst Signed-off-by: Frank Wunderlich --- changes in v2: Fixes: tag show 12-chars of sha1 and moved above other tags --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 ++++ 1 file changed, 4 insertions(+) -- 2.25.1 diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 85735d32ecb0..00e3d70f7d07 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2891,6 +2891,10 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) eth->netdev[id]->irq = eth->irq[0]; eth->netdev[id]->dev.of_node = np; + eth->netdev[id]->mtu = 1536; + eth->netdev[id]->min_mtu = ETH_MIN_MTU; + eth->netdev[id]->max_mtu = 1536; + return 0; free_netdev: