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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 D8746C169C4 for ; Mon, 11 Feb 2019 14:56:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9AB2A222A6 for ; Mon, 11 Feb 2019 14:56:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549897000; bh=NbvDV21sUjvgGSqyz98zIZ/vew5igTVlPA0iJzPK/KI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=h6P5vLBSAQWe3VHcwZVXvsxxzmLvkqxyboZmfW7RJCcmd1wA6ET5kpyXden6HRFoQ +F4Ft6DCNIhx/rWZt6xUg50CXesi8+Nc0v1ayM7pLUGQfrTHIlUGA3xxXZN5N/0syr rw0nub9zYCZE1C1uHD/QJ2Yf2yyWyBh1Bf3yyB0M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389209AbfBKO4j (ORCPT ); Mon, 11 Feb 2019 09:56:39 -0500 Received: from mail.kernel.org ([198.145.29.99]:43812 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388780AbfBKO4g (ORCPT ); Mon, 11 Feb 2019 09:56:36 -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 5358F222A1; Mon, 11 Feb 2019 14:56:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549896995; bh=NbvDV21sUjvgGSqyz98zIZ/vew5igTVlPA0iJzPK/KI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QoHxzvl9etgGTZ/gaAEc896b0eY6Bp9fcSw0Bmz13/uxOGwm/c8vz5esKuOrGuyhS blEIa8/zX7gwVj9j5hLPdC7vvOUC4V+tTGMer13MOsfQKEMok6jmUayxd5iLjokXVJ yh8WAnNLBoFWqvAwnPRSBlYO/2C54mOdIXTyoe0I= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ben Dooks , "David S. Miller" , Sasha Levin Subject: [PATCH 4.14 026/205] usbnet: smsc95xx: fix rx packet alignment Date: Mon, 11 Feb 2019 15:17:04 +0100 Message-Id: <20190211141829.419580083@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190211141827.214852402@linuxfoundation.org> References: <20190211141827.214852402@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore 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. ------------------ [ Upstream commit 810eeb1f41a9a272eedc94ca18c072e75678ede4 ] The smsc95xx driver already takes into account the NET_IP_ALIGN parameter when setting up the receive packet data, which means we do not need to worry about aligning the packets in the usbnet driver. Adding the EVENT_NO_IP_ALIGN means that the IPv4 header is now passed to the ip_rcv() routine with the start on an aligned address. Tested on Raspberry Pi B3. Signed-off-by: Ben Dooks Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/usb/smsc95xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 2f65975a121f..fc48da1c702d 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1295,6 +1295,7 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->features |= NETIF_F_RXCSUM; dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM; + set_bit(EVENT_NO_IP_ALIGN, &dev->flags); smsc95xx_init_mac_address(dev); -- 2.19.1