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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,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 44893C43603 for ; Tue, 10 Dec 2019 19:34:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 19B6420828 for ; Tue, 10 Dec 2019 19:34:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="CCRc7j1F" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726903AbfLJTeL (ORCPT ); Tue, 10 Dec 2019 14:34:11 -0500 Received: from sv2-smtprelay2.synopsys.com ([149.117.73.133]:51242 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726362AbfLJTeI (ORCPT ); Tue, 10 Dec 2019 14:34:08 -0500 Received: from mailhost.synopsys.com (mdc-mailhost1.synopsys.com [10.225.0.209]) (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 7930742D2F; Tue, 10 Dec 2019 19:34:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1576006447; bh=ApVBmx2KWyDu+9JlAqCGu/P/oYZTvPOSvPl95YD+VN4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=CCRc7j1FOrPu3OM+KY7AEdB+FVdDf9Wzn/tsLVfW1KojAcO1MJQ0k8hzczXx6SEHI oQ/X0Gwa5u7Iq4xJePmrepC4jc4h6mbYe5TzfpayGh0A1Ckkmqbt3MZZCNPqPU+ddC V3zT3d+utGuAKHKc0ukT8RMccpSCN5leqBsfroAsxSmoikbpgpWOcAPCyIZzrruE20 pJR5Z626I44Rvs60mNFc5IHEho+MFlDRH51eMtofZv03dQhbO5AwwCV4fOum1td9QB XPYKlluJQZydwuziTQ3+NQc6FGved5uTICuvrDz/OknIkFm1AW5FbuGIiYuZUXrwzV R0fC8F95vxq5w== Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by mailhost.synopsys.com (Postfix) with ESMTP id 2F616A00A7; Tue, 10 Dec 2019 19:34:06 +0000 (UTC) From: Jose Abreu To: netdev@vger.kernel.org Cc: Joao Pinto , Jose Abreu , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Maxime Coquelin , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net 8/8] net: stmmac: Enable 16KB buffer size Date: Tue, 10 Dec 2019 20:34:00 +0100 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org XGMAC supports maximum MTU that can go to 16KB. Lets add this check in the calculation of RX buffer size. 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 | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index eb31d7fb321c..082eeff9f54b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1109,7 +1109,9 @@ static int stmmac_set_bfsize(int mtu, int bufsize) { int ret = bufsize; - if (mtu >= BUF_SIZE_4KiB) + if (mtu >= BUF_SIZE_8KiB) + ret = BUF_SIZE_16KiB; + else if (mtu >= BUF_SIZE_4KiB) ret = BUF_SIZE_8KiB; else if (mtu >= BUF_SIZE_2KiB) ret = BUF_SIZE_4KiB; -- 2.7.4