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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 3FE51C3A5A7 for ; Wed, 4 Sep 2019 13:17:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 193952168B for ; Wed, 4 Sep 2019 13:17:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="WPu1hgLL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730508AbfIDNRY (ORCPT ); Wed, 4 Sep 2019 09:17:24 -0400 Received: from smtprelay-out1.synopsys.com ([198.182.61.142]:33544 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730238AbfIDNRP (ORCPT ); Wed, 4 Sep 2019 09:17:15 -0400 Received: from mailhost.synopsys.com (mdc-mailhost2.synopsys.com [10.225.0.210]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 01C8CC5748; Wed, 4 Sep 2019 13:17:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1567603034; bh=QQfM47J/YIzK+69igm741pwDyJOTLmfonyo78bSHkBs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=WPu1hgLLHdUWepqQk4f7Ja7a387u+Rwwf/MURG6F9Lvd04EcXIqpjlxwSZw6zEwzW 7oU39TsaOa3ontkCb536SvdrwcLYGqM4iRqa2c3aQfNThK0eMaIG4Gz7qCYxNld7he WObW4dzOuf61qHrOskqlOOgR1pK22LTPXs1AQpJS9fl8KdXlduK7Wi393KI86Wygwa tcpGLazzHEa3qxLfoyBp5yY09z8DZyI/g5M/JY/N7gc3eNuYnSW64SBcjfwJDFTd1c LueIT4V+O3xclMHfTdSScX2xEfcXMyNxkipGScxzoXcnfMc608BuVEpnY6flzMOQrU 8Q6cpB3brtUAQ== Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by mailhost.synopsys.com (Postfix) with ESMTP id BEB35A0081; Wed, 4 Sep 2019 13:17:12 +0000 (UTC) From: Jose Abreu To: netdev@vger.kernel.org Cc: Joao Pinto , Jose Abreu , Giuseppe Cavallaro , Alexandre Torgue , "David S. Miller" , Maxime Coquelin , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 net-next 11/13] net: stmmac: Correctly assing MAX MTU in XGMAC cores case Date: Wed, 4 Sep 2019 15:17:03 +0200 Message-Id: <76deaf061fd37a1e46fd2ad59a0c83c56bc79de3.1567602868.git.joabreu@synopsys.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Maximum MTU for XGMAC cores is 16k thus the check for presence of XGMAC shall be done first in order to assign correct value. Signed-off-by: Jose Abreu --- Cc: Giuseppe Cavallaro Cc: Alexandre Torgue Cc: Jose Abreu Cc: "David S. Miller" Cc: Maxime Coquelin Cc: netdev@vger.kernel.org Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 5271c6129f0e..c3baca9f587b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -4542,10 +4542,10 @@ int stmmac_dvr_probe(struct device *device, /* MTU range: 46 - hw-specific max */ ndev->min_mtu = ETH_ZLEN - ETH_HLEN; - if ((priv->plat->enh_desc) || (priv->synopsys_id >= DWMAC_CORE_4_00)) - ndev->max_mtu = JUMBO_LEN; - else if (priv->plat->has_xgmac) + if (priv->plat->has_xgmac) ndev->max_mtu = XGMAC_JUMBO_LEN; + else if ((priv->plat->enh_desc) || (priv->synopsys_id >= DWMAC_CORE_4_00)) + ndev->max_mtu = JUMBO_LEN; else ndev->max_mtu = SKB_MAX_HEAD(NET_SKB_PAD + NET_IP_ALIGN); /* Will not overwrite ndev->max_mtu if plat->maxmtu > ndev->max_mtu -- 2.7.4