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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 EDEF5C43461 for ; Wed, 5 May 2021 16:42:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D490261621 for ; Wed, 5 May 2021 16:42:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234376AbhEEQnf (ORCPT ); Wed, 5 May 2021 12:43:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:39944 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235246AbhEEQlZ (ORCPT ); Wed, 5 May 2021 12:41:25 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C72816162C; Wed, 5 May 2021 16:34:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620232473; bh=kEnxKvRvXtsSjAMGQKobqwfi53MrIc8FrAhY6aWVDy8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s4uhSiNC+GznCk73llR6yihMjGkXNUOLEkOW2ir8q11AlTC6zN7wGcOhsKPU0jhF6 UTMhrYnKVEsVAzHe9fPtOnGExrjV7CtfAnaLcd1twT8tx+OPtgSKr27/QZ/Oc/4rCf zjDzu2+lK1GLo4H9+5vGSUQk4gbNxVrCmGpFClHTG3f4LoNSbxriA43z+4V8aBQ7vR CTxramiUY7GVW1SBax5ogwqZf9td2nncN1I7KLWekoQarD9W3SRk6YMU+GarcGfPNM siQGujq0GBYzpaXlOD+iQfJVQTIo9/0jVGRtJnw6OM3wj5tWy38Qil1M65kSyZG0dm 7HFt4/f3OzO2Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jonathan McDowell , "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 5.11 014/104] net: stmmac: Set FIFO sizes for ipq806x Date: Wed, 5 May 2021 12:32:43 -0400 Message-Id: <20210505163413.3461611-14-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210505163413.3461611-1-sashal@kernel.org> References: <20210505163413.3461611-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jonathan McDowell [ Upstream commit e127906b68b49ddb3ecba39ffa36a329c48197d3 ] 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 Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- 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) -- 2.30.2