From patchwork Wed Jul 8 15:46:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Frank Wunderlich X-Patchwork-Id: 1325287 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=Cki45PwW; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4B23bV3fyvz9sRf for ; Thu, 9 Jul 2020 01:47:34 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730196AbgGHPr0 (ORCPT ); Wed, 8 Jul 2020 11:47:26 -0400 Received: from mout.gmx.net ([212.227.17.20]:45163 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729022AbgGHPrZ (ORCPT ); Wed, 8 Jul 2020 11:47:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1594223208; bh=LU0N738Cta16L6YXG8KR0rGDYWQO7GyOF1FHDDiJg24=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date; b=Cki45PwWYQXuV+25zw+Sl0pjGy0r9ir66J5aJ3ClBXIXKJMSV7qabQS5dl8jY2Stf 2xL6jRcsZTrOzKig9oyv4+VfBwNDd317enh4Cj4OLeRV0jYfrwjFWiTivMg7uBPAMq MwfB9oag27ZURwafMW1QZ9d0tt4ORT1/ucEdzcFM= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from localhost.localdomain ([80.208.213.58]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MyKDU-1kpIgO2BeG-00yiQp; Wed, 08 Jul 2020 17:46:48 +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] net: ethernet: mtk_eth_soc: fix mtu warning Date: Wed, 8 Jul 2020 17:46:34 +0200 Message-Id: <20200708154634.9565-1-frank-w@public-files.de> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Provags-ID: V03:K1:f4eGLoM7b59LlVnF7QAav5q/YJIcx9clM2yM7+NqTv9tBkejQqs au1gdA7QoPd0PPprJTzRKzybOTMmD14heF0qGnjwaABpo+XISVHKv5rw99O2S0ojFe9uDQL Qxu2lOqi+kzvKyOBpfLYcfelq6iI7x0aHD2bo1rK4OYlfxeRe2f4NPCAwZXbWjcYfAUryJJ xAsnWzoMdvXQ0LmII42Zg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:QZLgElE1BP0=:Gqhv8ZkYtw7DnMAyPRXD/X fJu6mohnMnpQAAYTv10zZw8JRMNqC10986RlCPTmKdzhQdheUmQlpzYByPQES1xWVq9/ZLpiJ nE63xOKvJKwimVxIK8rufuTT3ERB5ELpRSWN4Bh6r8ZCGvMAK/FlY0NzZeUUsE+jAprL/qKN4 AI2dSf9H+nQEOTzhJ1AF+4URZzWlPL1HYaynWfijqXHenaimeCtP7cQdi/13F0CAkTN1XCPNX WRuheRfGgFeiXmhyhXlVNd4/2gujkPQKn/26b2ucv6cJDhzl1uUs3sGq/c9kkI/LjL3aZQtED gc+br4VzoFlVXavHhQVmnqgWXSL+EA2TrR9stXkiDOI/cyM3MwvVVPZ50TEq2/Q2OAbzZWTqC NsPs6REaRJ17OKkESZFOPNgWu+Ic+pBDDc3nsZXWVZMqdJSM/JJI7id8Xx+DurJ8smNs8oulk 9y+/MZ850QkTnee8j9A6FkCXnBDGJwygDDPQCNJqLAdCPPD/QaHHw/6/Ah3dUfILQ6+sPevQO WwwCJHST3FdSMuCiJCiGLASeIEit2k3dAeL+KivcJPyM3Yame9Zi+CoiCY1rW0qLimxGCtw81 VIdfTIYIDCU8EItB3W2jvdmVzkFlgDxwuXGgI1+ige4LUD1zGtcGzaL+PDGNN6YflzYKrcw28 +fV5pzvXRJ7Z0h3Fv2FUQrbRn/EA837e+W4VXdAWYwh59XBHd03TTz4NSWu/omcRDa3Khb5+P ESAtYO8iU/yQvq7FB9YBwlj5JdkMW6FyHf8M7cg4IHXlZJI3CnSIK/oOfppeafAsgsS4+2uAX bXOzrchGMjm58CILJfqJ+KLsuggzdT8fmMSnFLnpyVvtWT6VHl+EZhCDY44WR+FLC6b5emPpg tOychoZgk6LNTlFDnVXOshmOiinrWeXVHV63j/dcw4fH6XZDaQ3OzBR68OBPvKZSH1EO5muYM y9x0idwevvzCpNm0FkEt7o1dY+lbwGBpXc70X/opvL51o/JxflVmZnP371AhguXCAV/UYFU3+ Y/BUCdCsL7gMBIfLOXlp4Lk4AVX3+5drM35UdAhB3lRDfkmmBCQtahquQh2y+PVdLKigx+XAK Jje0lEOvgFGkQS0Jbi77PO2BTCoVBby4pXdDJs1kdVlRAVEK3/K9ODG8WdvrsLo6n6M5IquA3 1mk+gzN6UbhUJT18/Szb7ULP+oFhp42bjbH2FBY5wU43ihVOlQGJfBEW7FJNBARX1ihjrghqk 8siqjKpS75EovVn3BF1tgkeCRZialzpwFNk4W/A== 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 Signed-off-by: René van Dorst Signed-off-by: Frank Wunderlich Fixes: bfcb813203 ("net: dsa: configure the MTU for switch ports") Fixes: 72579e14a1 ("net: dsa: don't fail to probe if we couldn't set the MTU") Fixes: 7a4c53bee3 ("net: report invalid mtu value via netlink extack") --- 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: