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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 22052C2D0C6 for ; Fri, 27 Dec 2019 18:04:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E9121206CB for ; Fri, 27 Dec 2019 18:04:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577469868; bh=gIyIU93aBqwRp4LrB8fM2LEhhTHoiTkDl6m3HJi/KcE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=e20vFghIQ8WMGzFMQ71NuE9UT+ILjFXtxK+FEeLFZG9gOlrGYJ7/+Mj9qUC+pLBUe kONBBLCHMrOLGuVlqQEVAP7Q6dkshMFlsxibngT809mpMsNwSiQW+qpDGzm37mMeCa S2MIjuOabYEnYWWgqp89FNvo+QuGU3by0ubGb4P0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728362AbfL0SE1 (ORCPT ); Fri, 27 Dec 2019 13:04:27 -0500 Received: from mail.kernel.org ([198.145.29.99]:60586 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728646AbfL0SDV (ORCPT ); Fri, 27 Dec 2019 13:03:21 -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 3CA8B206F4; Fri, 27 Dec 2019 18:03:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577469801; bh=gIyIU93aBqwRp4LrB8fM2LEhhTHoiTkDl6m3HJi/KcE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=seewqgq3KnL/bmKhUCBtM1HnlRE5A3tbjDYt2eFD95lL5okCUe0b5b3QbqpYMXM/4 TVI2GbIGgExTp2H5lRfPIp9yj09q/kt4h3TSfjtqJnfBRELeKkSMK6yg2cCqMzUitA +i+4sP6hSEo3LXvUe/D8fbYn95NiylJk8W/MUNlg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jose Abreu , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 4.14 48/57] net: stmmac: RX buffer size must be 16 byte aligned Date: Fri, 27 Dec 2019 13:02:13 -0500 Message-Id: <20191227180222.7076-48-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191227180222.7076-1-sashal@kernel.org> References: <20191227180222.7076-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jose Abreu [ Upstream commit 8d558f0294fe92e04af192e221d0d0f6a180ee7b ] We need to align the RX buffer size to at least 16 byte so that IP doesn't mis-behave. This is required by HW. Changes from v2: - Align UP and not DOWN (David) Fixes: 7ac6653a085b ("stmmac: Move the STMicroelectronics driver") Signed-off-by: Jose Abreu Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 4ef923f1094a..e89466bd432d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -51,7 +51,7 @@ #include #include "dwmac1000.h" -#define STMMAC_ALIGN(x) __ALIGN_KERNEL(x, SMP_CACHE_BYTES) +#define STMMAC_ALIGN(x) ALIGN(ALIGN(x, SMP_CACHE_BYTES), 16) #define TSO_MAX_BUFF_SIZE (SZ_16K - 1) /* Module parameters */ -- 2.20.1