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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 05623C43333 for ; Fri, 5 Mar 2021 12:25:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E503A65032 for ; Fri, 5 Mar 2021 12:25:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229783AbhCEMYp (ORCPT ); Fri, 5 Mar 2021 07:24:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:59040 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230191AbhCEMYQ (ORCPT ); Fri, 5 Mar 2021 07:24:16 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id A5A2E65036; Fri, 5 Mar 2021 12:24:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614947056; bh=r5Or3sSPn1sAAkBnRAzgQ0CZgdgJF/mMhso/6ru7Wi4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zQXOCgDNrFfuOpJ7wjlNpLn3k4k9xcBK8FCldZuAKU+/uvONaE793L7wU8RdDup9G MetLk2gZ4IiG4R3hagCN3B6hMOqE0RS5TPxWaXVsxxW27UwNNlczviT2mPJAb+D4Kl rL5lqPlljARg7PuFzzZGffNQrFibgUagEDRR5KVs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, DENG Qingfang , Oleksij Rempel , Jakub Kicinski Subject: [PATCH 5.11 030/104] net: ag71xx: remove unnecessary MTU reservation Date: Fri, 5 Mar 2021 13:20:35 +0100 Message-Id: <20210305120904.655716183@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210305120903.166929741@linuxfoundation.org> References: <20210305120903.166929741@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: DENG Qingfang commit 04b385f325080157ab1b5f8ce1b1de07ce0d9e27 upstream. 2 bytes of the MTU are reserved for Atheros DSA tag, but DSA core has already handled that since commit dc0fe7d47f9f. Remove the unnecessary reservation. Fixes: d51b6ce441d3 ("net: ethernet: add ag71xx driver") Signed-off-by: DENG Qingfang Reviewed-by: Oleksij Rempel Link: https://lore.kernel.org/r/20210218034514.3421-1-dqfext@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/atheros/ag71xx.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/drivers/net/ethernet/atheros/ag71xx.c +++ b/drivers/net/ethernet/atheros/ag71xx.c @@ -223,8 +223,6 @@ #define AG71XX_REG_RX_SM 0x01b0 #define AG71XX_REG_TX_SM 0x01b4 -#define ETH_SWITCH_HEADER_LEN 2 - #define AG71XX_DEFAULT_MSG_ENABLE \ (NETIF_MSG_DRV \ | NETIF_MSG_PROBE \ @@ -933,7 +931,7 @@ static void ag71xx_hw_setup(struct ag71x static unsigned int ag71xx_max_frame_len(unsigned int mtu) { - return ETH_SWITCH_HEADER_LEN + ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN; + return ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN; } static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)