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=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,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 368F7C433E0 for ; Wed, 29 Jul 2020 08:15:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 121932076E for ; Wed, 29 Jul 2020 08:15:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="XCZiliPR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728005AbgG2IPv (ORCPT ); Wed, 29 Jul 2020 04:15:51 -0400 Received: from mout.gmx.net ([212.227.17.20]:34621 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726476AbgG2IPv (ORCPT ); Wed, 29 Jul 2020 04:15:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1596010525; bh=SEqiVovF7XeGtohoS2GMeFwDMUmZ9pW/KT58etbzx3I=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date; b=XCZiliPRjvI4fnxBMHTK8ktxBj8sm8c/suvC2q8k3NejMEYSicFhklCixPYr8jL/q p1s0lmomB8VJWQ3JsjfhEHquqim7j0pwfdIs7m46HB5x6m66dlD40RnA59WugB/3i0 yUz3c1y3zCJnzX1w5V7FO4NHoO2sDc7T7nuYWa4U= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from localhost.localdomain ([185.75.74.240]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1M9Fnj-1k6SfS2l1j-006QTq; Wed, 29 Jul 2020 10:15:25 +0200 From: Frank Wunderlich To: linux-mediatek@lists.infradead.org Cc: Landen Chao , 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 , Andrew Lunn Subject: [PATCH v4] net: ethernet: mtk_eth_soc: fix MTU warnings Date: Wed, 29 Jul 2020 10:15:17 +0200 Message-Id: <20200729081517.4026-1-frank-w@public-files.de> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:SIqtPyJoGFptjlcPcxyQb71WF05R8NP7BOYsxZfVn4TevUka2hv 16bkgQRk2SbtWS26redKg5T9xwqZyS6LYPZc4nlqNtdOfjc06O3Jrl08QXrr6YDL/rstb1f l0xWrYmKz/JACy8a9r7NVqZ4c8VThH2ylroN+QjDMqc0cPtmCd+236ZK1kPKzt1RGF4+1GM 8VtrTh/CFp4NgsEdY2c9Q== X-UI-Out-Filterresults: notjunk:1;V03:K0:3EloKpSUWt8=:iY6EPOZWtHi/ZM6E34hZlR 2xSfHxvGFSXGxamCo079Z4sANGXK3lUhCJ+AQLOA9MkvmzRmwvhwHYa7aQwcfH0e9CIEipuBg GEngknl+qZuHctfDasmRn3F2KTtOywyAwgqVpmHaqQfpl5hH5ScWJSuxH/cLBr8Ek9Oa7q1Dr +zf0UEgCupZML5LpvsCnOoOS5GSFr6DtYMprSc+h3M2lT3OS+72eOCUmao/yDIUQGjabX38VJ NLuOCcsgyrjfRQHaRWxp6vOx1DKzclBdHJWpY7XZiEGE+c9Fpv0MiuLikJGvI2TQkQ/pgKwTW 6DsrbaD2vLZ4r/Bs7W5mJos+RF4gR1F3tEgzP60BLcw5NNO8wFuEg/MCjmgOoZSC9znRa4Td7 hmGscGs/I/zKN8rz5vrjX5gr8oPuusM7Q4NMgafAHuKYjTwu6XhW9wmIM5158VqhhCV8hfpBJ tpFhnqmxS1iwilu+3w6Z2VIQzH2Q/7imS5JXTkEQLngvCpl9LKNYC5kFWYuGfBr5bRjB627Ll ICSqqxd3qGMKuehRy9DSFFdZjI8oc1xeMc5fY9f96LVZw1vtTfdtgppss78XeH+8wOJatIhBY EyhaWfZPkul6GRtgs6sSmQvRmUNyb6bCF7itUbEXGKV7H6NZ2UhBW5JJIeuKqeHNk9QjAHPV3 zJPE6xvXUJa3W2HGC0FEuxte//wjUamhgd2gRS92xZn84VuZikNhhROrNKL7f88usifF1aOZQ mjpxid9UwrvBoiODjCQ0iS222hls0dpLDKsTJnPUpJrX84Qgg+pWYZ7KYRyyhQOGfjkzyt9SW mr0nubXYx1GCyzDcmz/XvpVoMwNqgl26092wYHvAYFXXD5ROUMeL31JX06S3XrEM7jhrmdwuB H6E+PBlxWLeu7UWwsvhbLz8sOKJbB2G5VwJhoN6sltjIJPCN/LkRaLQOndWiWMNR629HM6TlS AU+MtZYQvBOD03K5ggKTDgJl7HDa5jaldAJV4oa5mkW2W0Yy/GfPcLhdHLNloMQvQ+7fDrNGy 2PseCo4ehl+PUHN9WgUxctTxE5LDbbn75IfpasO2/Hz7jQ3T9dY9rolYKNKvZGhqSfPPzEQSp bUer4W27aVniiQtPAXaJmXN+BrgcHsTAnhHcaaXXHfXvMYy1OKLDW32vU6UnX7bYWbGrv0guT uKiqi35C9tqTAJypDlFi3T86ksHJAnRFK2rH/CUWZkvaYr1HmyeLb7NvO8aukyh6iXXVcK7UY wMicRZde5dkHaP+DpmOHh5gjVFF86/SJeFQ6cqA== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Landen Chao in recent kernel versions there are warnings about incorrect MTU size like these: eth0: mtu greater than device maximum mtk_soc_eth 1b100000.ethernet eth0: error -22 setting MTU to include DSA o= verhead 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: Landen Chao Signed-off-by: Frank Wunderlich Reviewed-by: Andrew Lunn =2D-- v3->v4 - fix commit-message (hyphernations,capitalisation) as suggested by Russ= ell - add Signed-off-by Landen - dropped wrong signed-off from rene (because previous v1/2 was from him= ) =2D-- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/eth= ernet/mediatek/mtk_eth_soc.c index 85735d32ecb0..a1c45b39a230 100644 =2D-- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2891,6 +2891,8 @@ static int mtk_add_mac(struct mtk_eth *eth, struct d= evice_node *np) eth->netdev[id]->irq =3D eth->irq[0]; eth->netdev[id]->dev.of_node =3D np; + eth->netdev[id]->max_mtu =3D MTK_MAX_RX_LENGTH - MTK_RX_ETH_HLEN; + return 0; free_netdev: =2D- 2.25.1