From 4cd43af0dea98d21611d20233ac77c2d0fe3af29 Mon Sep 17 00:00:00 2001 From: Ansuel Smith Date: Thu, 8 Apr 2021 16:47:33 +0200 Subject: ipq806x: fix missing tx/rx fifo depth gmac configuration tx/rx-fifo-depth is required to set mtu to the gmac. Backport upstream patch. Signed-off-by: Ansuel Smith --- ....13-net-stmmac-Set-FIFO-sizes-for-ipq806x.patch | 101 +++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 target/linux/ipq806x/patches-5.10/106-5.13-net-stmmac-Set-FIFO-sizes-for-ipq806x.patch diff --git a/target/linux/ipq806x/patches-5.10/106-5.13-net-stmmac-Set-FIFO-sizes-for-ipq806x.patch b/target/linux/ipq806x/patches-5.10/106-5.13-net-stmmac-Set-FIFO-sizes-for-ipq806x.patch new file mode 100644 index 0000000000..1da9e7e2b3 --- /dev/null +++ b/target/linux/ipq806x/patches-5.10/106-5.13-net-stmmac-Set-FIFO-sizes-for-ipq806x.patch @@ -0,0 +1,101 @@ +From patchwork Sat Mar 13 13:18:26 2021 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +X-Patchwork-Submitter: Jonathan McDowell +X-Patchwork-Id: 12136795 +X-Patchwork-Delegate: kuba@kernel.org +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=-15.1 required=3.0 tests=BAYES_00,DKIM_INVALID, + DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, + MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 + 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 90AB7C433DB + for ; Sat, 13 Mar 2021 14:03:56 +0000 (UTC) +Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) + by mail.kernel.org (Postfix) with ESMTP id 58E0464F18 + for ; Sat, 13 Mar 2021 14:03:56 +0000 (UTC) +Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand + id S233791AbhCMODW (ORCPT ); + Sat, 13 Mar 2021 09:03:22 -0500 +Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52042 "EHLO + lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org + with ESMTP id S233478AbhCMOCx (ORCPT + ); Sat, 13 Mar 2021 09:02:53 -0500 +X-Greylist: delayed 2658 seconds by postgrey-1.37 at + lindbergh.monkeyblade.net; Sat, 13 Mar 2021 06:02:53 PST +Received: from the.earth.li (the.earth.li + [IPv6:2a00:1098:86:4d:c0ff:ee:15:900d]) + by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FE3FC061574; + Sat, 13 Mar 2021 06:02:53 -0800 (PST) +DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=earth.li; + s=the; + h=Content-Type:MIME-Version:Message-ID:Subject:To:From:Date:Sender: + Reply-To:Cc:Content-Transfer-Encoding:Content-ID:Content-Description: + Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: + In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: + List-Post:List-Owner:List-Archive; + bh=QOTdjy1PdYeDQ1fUENDrh0RtMG0coACWNQ4YsZbgl5w=; + b=DeTr+9knNkPOvtIi2OlW73HS3t + slxWRqQmC/Qd+tyDE8Lnj4oD+NFf5isDoaYYYhiPQ8iT/IOWEUz6DODzLTEBHd1WG9KYfSqzwFT70 + 7pdoIUdBZOPtb0r/1WZqZHRog4L3uDDlSBHRkO6SaLFE0zu6nunAVePrw4XLLmC9bJGsxaEmVvJ4N + zAgW5ejJ2lWOVgTIKSiBHTnLvkLbkSUT3inboIq/iEhEMGyBD8Zio1md1EU+8pQugFxwTmI5hqZ8M + RBYRHIUBaaivkhOJptSZm3vns90mjlM/uDY69gA+jRAsvt2mhWRHSwLv8PJUZ5sB0SenvC1WcPH1S + zAB6oEag==; +Received: from noodles by the.earth.li with local (Exim 4.92) + (envelope-from ) + id 1lL49y-0004kB-SB; Sat, 13 Mar 2021 13:18:26 +0000 +Date: Sat, 13 Mar 2021 13:18:26 +0000 +From: Jonathan McDowell +To: Giuseppe Cavallaro , + Alexandre Torgue , + Jose Abreu , + David Miller , + Jakub Kicinski , + Maxime Coquelin , + netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, + linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org +Subject: [PATCH net-next] net: stmmac: Set FIFO sizes for ipq806x +Message-ID: <20210313131826.GA17553@earth.li> +MIME-Version: 1.0 +Content-Disposition: inline +User-Agent: Mutt/1.10.1 (2018-07-13) +Precedence: bulk +List-ID: +X-Mailing-List: netdev@vger.kernel.org +X-Patchwork-Delegate: kuba@kernel.org + +Commit eaf4fac47807 ("net: stmmac: Do not accept invalid MTU values") +started using the TX FIFO size to verify what counts as a valid MTU +request for the stmmac driver. This is unset for the ipq806x variant. +Looking at older patches for this it seems the RX + TXs buffers can be +up to 8k, so set appropriately. + +(I sent this as an RFC patch in June last year, but received no replies. +I've been running with this on my hardware (a MikroTik RB3011) since +then with larger MTUs to support both the internal qca8k switch and +VLANs with no problems. Without the patch it's impossible to set the +larger MTU required to support this.) + +Signed-off-by: Jonathan McDowell +--- + drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c +index bf3250e0e59c..749585fe6fc9 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c ++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c +@@ -352,6 +352,8 @@ static int ipq806x_gmac_probe(struct platform_device *pdev) + plat_dat->bsp_priv = gmac; + plat_dat->fix_mac_speed = ipq806x_gmac_fix_mac_speed; + plat_dat->multicast_filter_bins = 0; ++ plat_dat->tx_fifo_size = 8192; ++ plat_dat->rx_fifo_size = 8192; + + err = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + if (err) -- cgit v1.2.3