From nobody Fri Sep 20 04:02:41 2024 Received: from www530.your-server.de (www530.your-server.de [188.40.30.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A944B14263; Fri, 26 Jan 2024 09:10:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=188.40.30.78 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706260250; cv=none; b=mX1KSkJIDIYLIGtNqZY0zBA2qvo3oDybkpjAQvrSsQmYv9bu64eXSRos08w0OcVS+CY9SgHjLpEE9Z65F6so51wGqF5FYn0EdRRBDOVhrzP5kysJBa7vdrXJnpX6gQIFsUyEI6ab6ofPK/ojvros4nBJ7yEAqQXl+YjAUSDjufA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706260250; c=relaxed/simple; bh=iqbcOpTlEh5SlO47biheNN9vN+dMs8WVH0huJV/6Kbw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jYHuXRoQ7SstXoXWCsF/IemAZixw33vqEONA8n1IY9MEWAwe26uay17PpXmLl5XfdfNYukVTtRD4zBjFS88rzafzJPkaw06sTMYZfWRHv34VatlqW2M/lBoff3hrPsVfoDLRhiz49Msqk3Td4yc83Y4rE27D5H5TUq/XHneLAuw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=geanix.com; spf=pass smtp.mailfrom=geanix.com; dkim=pass (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b=Bw6d/FAj; arc=none smtp.client-ip=188.40.30.78 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=geanix.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=geanix.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b="Bw6d/FAj" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=geanix.com; s=default2211; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=O99d2OhA5yD9439wbiGDNw8gbQ6j47VNjuChaGpSepE=; b=Bw6d/FAjzh7JS+ZSE9l79uyRPs ug04KQ4kugdFE5zsfhVBsrVF2KMCrN6Wcf5FMm0YeEfICSLMtXV/BtvW8kTaYW6Pj+P2UuTo9fOuJ 0awaRMrNFxYiit77EkNuu67cqTdgC4cDdnzQ9R8aMnSlXwZiUTvOjdpaOr6TzbyJw3cbxE3l1ih7V ft407vgmgel6hwcDzRGDgXQBT32XxiaxXKF0tsTU9gxg+6x043M2Qr01DwNi75xISHtWmWW68e+JK r0fy6wb7SsazDKW2TZ6Bx8xC+zzO+yizMv+ZiSTcwTyQouj9l1Y4shrHnZtTDWsiQLYztk46/IexG YxXL017w==; Received: from sslproxy04.your-server.de ([78.46.152.42]) by www530.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rTIEX-000GfG-V8; Fri, 26 Jan 2024 10:10:45 +0100 Received: from [87.49.42.9] (helo=localhost) by sslproxy04.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rTIEX-0004SN-3Z; Fri, 26 Jan 2024 10:10:45 +0100 From: Esben Haabendal To: netdev@vger.kernel.org, Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Christian Marangi Cc: stable@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] net: stmmac: do not clear TBS enable bit on link up/down Date: Fri, 26 Jan 2024 10:10:41 +0100 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authenticated-Sender: esben@geanix.com X-Virus-Scanned: Clear (ClamAV 0.103.10/27165/Thu Jan 25 10:51:15 2024) Content-Type: text/plain; charset="utf-8" With the dma conf being reallocated on each call to stmmac_open(), any information in there is lost, unless we specifically handle it. The STMMAC_TBS_EN bit is set when adding an etf qdisc, and the etf qdisc therefore would stop working when link was set down and then back up. Fixes: ba39b344e924 ("net: ethernet: stmicro: stmmac: generate stmmac dma c= onf before open") Cc: stable@vger.kernel.org Signed-off-by: Esben Haabendal --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/ne= t/ethernet/stmicro/stmmac/stmmac_main.c index b334eb16da23..25519952f754 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3932,6 +3932,9 @@ static int __stmmac_open(struct net_device *dev, priv->rx_copybreak =3D STMMAC_RX_COPYBREAK; =20 buf_sz =3D dma_conf->dma_buf_sz; + for (int i =3D 0; i < MTL_MAX_TX_QUEUES; i++) + if (priv->dma_conf.tx_queue[i].tbs & STMMAC_TBS_EN) + dma_conf->tx_queue[i].tbs =3D priv->dma_conf.tx_queue[i].tbs; memcpy(&priv->dma_conf, dma_conf, sizeof(*dma_conf)); =20 stmmac_reset_queues_param(priv); --=20 2.43.0 From nobody Fri Sep 20 04:02:41 2024 Received: from www530.your-server.de (www530.your-server.de [188.40.30.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 18C6B65184; Fri, 26 Jan 2024 09:10:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=188.40.30.78 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706260251; cv=none; b=Tsdpl7/tX0eUrd3UgMKpMF/e85lyq0uBThTYbRlXXPQz+TYTnh6O4ntOEZ+zFZVQaGQS0qyhpCZkyO6MTG+Oeeh5WTJt3RSKC7By8C5vULFruVcJhHfG1jQwdRw1xWkyJGoZn4PjomiRy/zYG/5gwudJTViLYG7jTsGuBdhXQf0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706260251; c=relaxed/simple; bh=V+AK3plKZ83loJsgfrWwEsHnqolt+UEFeeTqAZesOLw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kEzPIlF2xNIplk4LjX7uN48bEmawgIN8Ir3GXsa5Rh0fkx2G4wvxwO7RF5D5yyZq4mqVvvGyM16zc+txjHEMxhSFXkqcCWgL16RTa0TDp+g5qz38IiHeWtsFLUrnKELci4KIyweU39CJNWZFx4R8q96wuaySl8MT4y+hTNy2xE8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=geanix.com; spf=pass smtp.mailfrom=geanix.com; dkim=pass (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b=FOAZbZQB; arc=none smtp.client-ip=188.40.30.78 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=geanix.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=geanix.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b="FOAZbZQB" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=geanix.com; s=default2211; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=PfIWJgaCYljkJrkeOSurtuPSrNuyp8EvqXe2SqiBP2U=; b=FOAZbZQB/8TrGEUxHTYEu6+NRW tDW7a13KET237Bie/VHxFPTwe/HKP/NsfDka9FALYHW3mOHF/NkFEB4VTRYGoZbUz482tvBY16G/A zFWv8dF6JVH1HqgcUUx+R2a/WXJrW/IorJk7xe1IeZ4o+F4dCmdc5uJxW/TSmskHpgU+kNfd7aiIg Fcy9/vgXW1QP7yprfy2DrVot7wdJP3N3xEmymh0EFmtbeOR0eFeKMuACpFiOLwnv9hdNWIjNpU1F/ OtwONQtlE3kuvAC81vmvV5oQY14/sTAFzXy5BECayHlynPIcOJ+QQeQ/l17KViBh4uxxA6wXpwJgV 9c4mimsg==; Received: from sslproxy04.your-server.de ([78.46.152.42]) by www530.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rTIEZ-000GfM-47; Fri, 26 Jan 2024 10:10:47 +0100 Received: from [87.49.42.9] (helo=localhost) by sslproxy04.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rTIEY-0004ZG-03; Fri, 26 Jan 2024 10:10:46 +0100 From: Esben Haabendal To: netdev@vger.kernel.org, Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Maxime Coquelin Cc: Rohan G Thomas , "Abhishek Chauhan (ABC)" , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] net: stmmac: dwmac-imx: set TSO/TBS TX queues default settings Date: Fri, 26 Jan 2024 10:10:42 +0100 Message-ID: <379f79687ca4a7d0394a04d14fb3890ce257e706.1706256158.git.esben@geanix.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authenticated-Sender: esben@geanix.com X-Virus-Scanned: Clear (ClamAV 0.103.10/27165/Thu Jan 25 10:51:15 2024) Content-Type: text/plain; charset="utf-8" TSO and TBS cannot coexist. For now we set i.MX Ethernet QOS controller to use the first TX queue with TSO and the rest for TBS. TX queues with TBS can support etf qdisc hw offload. Signed-off-by: Esben Haabendal Reviewed-by: Kurt Kanzenbach Reviewed-by: Vadim Fedorenko --- drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/= ethernet/stmicro/stmmac/dwmac-imx.c index 8f730ada71f9..6b65420e11b5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c @@ -353,6 +353,10 @@ static int imx_dwmac_probe(struct platform_device *pde= v) if (data->flags & STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY) plat_dat->flags |=3D STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY; =20 + /* Default TX Q0 to use TSO and rest TXQ for TBS */ + for (int i =3D 1; i < plat_dat->tx_queues_to_use; i++) + plat_dat->tx_queues_cfg[i].tbs_en =3D 1; + plat_dat->host_dma_width =3D dwmac->ops->addr_width; plat_dat->init =3D imx_dwmac_init; plat_dat->exit =3D imx_dwmac_exit; --=20 2.43.0