From patchwork Tue Dec 17 11:42:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jose Abreu X-Patchwork-Id: 11297391 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CD45F6C1 for ; Tue, 17 Dec 2019 11:42:57 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A8E8E20665 for ; Tue, 17 Dec 2019 11:42:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="undwkBG0"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="iFvfqZE+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A8E8E20665 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=synopsys.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=JOpT6DnfazT2UxOTMULIN0UqiBuq8h2ByXlalh34GAc=; b=undwkBG0WnIcdqmoY+OtSIAlY8 5mwNjccYekHUCTmrJGz2s82ocVwrjn/DURe9uE8kij5noLKw6JTnDuH5Wxwy/XLmiaoCaQMD4g6Lg 0pyMOQcCmA6xg+oED+Myq7vjQqzopBf4FmhDbqUnLKGkk9s6dJnkMNs2VrPQoYLn6KC9Ck+EE13Rs o9Y2jWb04qo9ch34NAr0X9zmLkVpWGfTVICk1w/mApyb5xcw0udLrukvg60LyJQBkvH+LoQxsLcjz 7kQYt6lmQOOtvrGsvwrF8+2DDd9lfTuqbvpd0I9wi8cYqXUGxsuId9PyoVEYZf6lapuuyoakdrplN if7x7Edg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ihBFg-0000Av-Vt; Tue, 17 Dec 2019 11:42:57 +0000 Received: from us03-smtprelay2.synopsys.com ([149.117.87.133] helo=smtprelay-out1.synopsys.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ihBFe-00008P-Hj for linux-arm-kernel@lists.infradead.org; Tue, 17 Dec 2019 11:42:55 +0000 Received: from mailhost.synopsys.com (mdc-mailhost2.synopsys.com [10.225.0.210]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 5F029C00CC; Tue, 17 Dec 2019 11:42:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1576582973; bh=4HnZAoZdscSffoLRQAaVEBPU8XsY4emx6y4nwnhMNOU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=iFvfqZE+ri6Zxkv0ZNvJVIK7B8BqwBjDU0xdO8thZMK4mzGk/WVw5vnpyxplnzQfZ XOQPBZibCT3cfUSLr4zWGLVM6GoCmDIddsgaN6rgT9gxYTW4T/w8AQ2ChgxWDUM5At NCERTO4bAybLoR8/L/dBeXIVZ3a4OJ3u6JC88yZQEX9P/PDmVeE8yTDlIWvOiYfhWS KvY25GMfYlTcISHJ3ODEoWvJn0vwZof1BXPZ7zKqFrUCMLeRJurnDOtsj9ACEmQ5Ik Tj44Qq2pBZ0VI6obs8udowrWyoNJniIOTY0NiK6bcynwHUGpxXTq6jD3JktvL/skaZ 0wCchpWovsRWQ== Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by mailhost.synopsys.com (Postfix) with ESMTP id 045F9A00A7; Tue, 17 Dec 2019 11:42:51 +0000 (UTC) From: Jose Abreu To: netdev@vger.kernel.org Subject: [PATCH net v2 6/8] net: stmmac: RX buffer size must be 16 byte aligned Date: Tue, 17 Dec 2019 12:42:36 +0100 Message-Id: <8d7b87265a2727a28896203f5569d7039c2c34c8.1576581853.git.Jose.Abreu@synopsys.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191217_034254_618662_E3CE1AF7 X-CRM114-Status: GOOD ( 11.08 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jose Abreu , Joao Pinto , Jakub Kicinski , Alexandre Torgue , linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, Maxime Coquelin , Giuseppe Cavallaro , "David S. Miller" , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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. Fixes: 7ac6653a085b ("stmmac: Move the STMicroelectronics driver") Signed-off-by: Jose Abreu --- Cc: Giuseppe Cavallaro Cc: Alexandre Torgue Cc: Jose Abreu Cc: "David S. Miller" Cc: Maxime Coquelin Cc: netdev@vger.kernel.org Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- 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 8c191e4d35d0..eb31d7fb321c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -46,7 +46,7 @@ #include "dwxgmac2.h" #include "hwif.h" -#define STMMAC_ALIGN(x) __ALIGN_KERNEL(x, SMP_CACHE_BYTES) +#define STMMAC_ALIGN(x) ALIGN_DOWN(ALIGN_DOWN(x, SMP_CACHE_BYTES), 16) #define TSO_MAX_BUFF_SIZE (SZ_16K - 1) /* Module parameters */