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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,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 47DF2C282C8 for ; Mon, 28 Jan 2019 15:45:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1411320880 for ; Mon, 28 Jan 2019 15:45:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548690333; bh=iCCSXK/Lkk6+ccBTbCCmQn/WVVsaCZUwrXp2Z63VazE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=rhGWf7hlUyTLLYoZEE1GwzFlb2ZHffdt+C4Z/XxdfW33SQGHBeOfVFLxq8rjXL9Uf pR6jLMEaRFzniWwtjOXTF+m5WsUPmWgPKweSdjSr1sLQsbTWpfD8Dd0xZCfyJkn/di 2UoFmHmDf8yHiihQrfmO5rJgZwoS2SaOhpVe7qhw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727801AbfA1Ppb (ORCPT ); Mon, 28 Jan 2019 10:45:31 -0500 Received: from mail.kernel.org ([198.145.29.99]:58800 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726904AbfA1Pp0 (ORCPT ); Mon, 28 Jan 2019 10:45:26 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 932B92147A; Mon, 28 Jan 2019 15:45:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548690326; bh=iCCSXK/Lkk6+ccBTbCCmQn/WVVsaCZUwrXp2Z63VazE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=riQfXMPN/3Q1w+q9NW1cU3Tbn/XWu8LDqlrsKZbCGgjJg+NvSTuchRFetXjfRz5bi UHfMHMOnx+fd99dZOOZTpzYtTYYu4YWmMiqgNqTI/ywX5JOiPsSluajguzRrj08TPd kwHkk73kJbCY8Zl3SifHtI9SSDwJMp/0kHumWsF8= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Ben Dooks , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH AUTOSEL 4.20 052/304] usbnet: smsc95xx: fix rx packet alignment Date: Mon, 28 Jan 2019 10:39:29 -0500 Message-Id: <20190128154341.47195-52-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190128154341.47195-1-sashal@kernel.org> References: <20190128154341.47195-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ben Dooks [ 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 f2d01cb6f958..6e971628bb50 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