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=-7.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 2C029C43441 for ; Wed, 21 Nov 2018 19:09:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E2397214DB for ; Wed, 21 Nov 2018 19:09:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="MCGU4ngn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E2397214DB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388304AbeKVFol (ORCPT ); Thu, 22 Nov 2018 00:44:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:39272 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732079AbeKVFoj (ORCPT ); Thu, 22 Nov 2018 00:44:39 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.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 9BB14206BB; Wed, 21 Nov 2018 19:09:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1542827347; bh=+UFZaZNJqaLKSOUdgnC7BLcZDxCsrVXUNSBfuzr+B5s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MCGU4ngnK8xQ8sbEfHla/HJ02IqtjiSQlwj1FNUqJfFUvrneZqDuQoJNugJ8A5i/i FRj3SWG/cO4ytz/DfIvBHkm4x8TKw+T/27TlID+VqhqtopdSKsLFEiRacEshjjBnFm EGmGITFaj5sKWNQB7Y+efFKVH7E+KL0km4a6i2gM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stefan Wahren , "David S. Miller" Subject: [PATCH 4.14 16/21] net: smsc95xx: Fix MTU range Date: Wed, 21 Nov 2018 20:07:00 +0100 Message-Id: <20181121183422.807170668@linuxfoundation.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181121183422.103826775@linuxfoundation.org> References: <20181121183422.103826775@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Stefan Wahren [ Upstream commit 85b18b0237ce9986a81a1b9534b5e2ee116f5504 ] The commit f77f0aee4da4 ("net: use core MTU range checking in USB NIC drivers") introduce a common MTU handling for usbnet. But it's missing the necessary changes for smsc95xx. So set the MTU range accordingly. This patch has been tested on a Raspberry Pi 3. Fixes: f77f0aee4da4 ("net: use core MTU range checking in USB NIC drivers") Signed-off-by: Stefan Wahren Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/usb/smsc95xx.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1321,6 +1321,8 @@ static int smsc95xx_bind(struct usbnet * dev->net->ethtool_ops = &smsc95xx_ethtool_ops; dev->net->flags |= IFF_MULTICAST; dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM; + dev->net->min_mtu = ETH_MIN_MTU; + dev->net->max_mtu = ETH_DATA_LEN; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; pdata->dev = dev;