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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 1/3] net: stmmac: do not clear TBS enable bit on link up/down Date: Wed, 24 Jan 2024 15:32:55 +0100 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Sender: esben@geanix.com X-Virus-Scanned: Clear (ClamAV 0.103.10/27164/Wed Jan 24 10:45:32 2024) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1788984663265698841 X-GMAIL-MSGID: 1788984663265698841 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 conf 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/net/ethernet/stmicro/stmmac/stmmac_main.c index a0e46369ae15..691bf3ef5e30 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 = STMMAC_RX_COPYBREAK; buf_sz = dma_conf->dma_buf_sz; + for (int i = 0; i < MTL_MAX_TX_QUEUES; i++) + if (priv->dma_conf.tx_queue[i].tbs & STMMAC_TBS_EN) + dma_conf->tx_queue[i].tbs = priv->dma_conf.tx_queue[i].tbs; memcpy(&priv->dma_conf, dma_conf, sizeof(*dma_conf)); stmmac_reset_queues_param(priv); From patchwork Wed Jan 24 14:33:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Esben Haabendal X-Patchwork-Id: 191609 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:2553:b0:103:945f:af90 with SMTP id p19csp1052072dyi; Wed, 24 Jan 2024 07:11:22 -0800 (PST) X-Google-Smtp-Source: AGHT+IETkONIa0eHc+VtswwxKUuahA3EucJ8eUz4o3G3XdrtYRr8744PVPVuClpo6cGSTb+YnW1x X-Received: by 2002:a05:6a00:cd3:b0:6dd:a072:867 with SMTP id b19-20020a056a000cd300b006dda0720867mr711821pfv.15.1706109082531; Wed, 24 Jan 2024 07:11:22 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1706109082; cv=pass; d=google.com; s=arc-20160816; b=CJE4FbfQsr+r72M40R5+chH9W8zwJG5k4mbW8fF7cwo0nr3PspC204cScZOskxyQI6 r2bN/o5y3I+55Xoo62WG3v2naTwaTL6pZsKPEc2FqEsQgjoR804A71LoriNroYEHT9rn aig+yGS4iRAE5gbxz5231p2EbCPsKj8c274k3Dw2DysT+EuJLv31ZkpG5XJFn1NbMuVt OhH496UtkEDDXi4vxmeaDach5f84W341YSRmN2iLOmlXJWDSmETMp/WEfDHJeSY/foQL ZOIOI8hlVJVCAOJMFEQ3DhPSqfQTzS9RGBSkjyu78Lt8hzKAtxCaHELwKYOBzC0h8UKf pKgQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=OtP8seYmSML3PMcVqkf6WfD0WEgT7yLINsGkyK/5yRY=; fh=P4zhVpD3f8b9L6fDDWDKtJuKnm7gSM5F9Fa8zpi2Ni8=; b=BDwf+5hMogZeFxq9NrKNN5t8qBIwXEP/D1QFDg1xEC4qgR/4sMz2gG+YcQm+ifC8Vi sG58IvD6Mhsvjo/WPDIgg57TsjNyOXU97uG1cGW4NjqnpVkiJ7bzA+k+mC11jOVDxBP2 s5SG0UwbU9YQCvukd5ofBfBV+4TLUp6A9hx8zkZZmjhjhToNDUT0oIXbRp6x8y4nmQqe 3PaVEd6xPS86WNB9U2iGYaMwBvYFKFmZ+o2R4LevEOtcF6VkKBoxQBun0+tMSOkSz9nk daaHsLYxhKzBj3F9G2mbAVfAEf7gWxxODyX8zP92fI/hBwhp5Sbf97JcHRkvRZc/poDI TymQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@geanix.com header.s=default2211 header.b=dWr1NJAh; arc=pass (i=1 spf=pass spfdomain=geanix.com dkim=pass dkdomain=geanix.com dmarc=pass fromdomain=geanix.com); spf=pass (google.com: domain of linux-kernel+bounces-37188-ouuuleilei=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-37188-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=geanix.com Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] dt-bindings: net: snps,dwmac: Add time-based-scheduling property Date: Wed, 24 Jan 2024 15:33:06 +0100 Message-ID: <30ce8f45b8752c603acc861ebb2f18d74d2f8a07.1706105494.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 X-Authenticated-Sender: esben@geanix.com X-Virus-Scanned: Clear (ClamAV 0.103.10/27164/Wed Jan 24 10:45:32 2024) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1788985037278900451 X-GMAIL-MSGID: 1788985037278900451 Time Based Scheduling can be enabled per TX queue, if supported by the controller. Signed-off-by: Esben Haabendal --- Documentation/devicetree/bindings/net/snps,dwmac.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 5c2769dc689a..301e9150ecc3 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -399,6 +399,12 @@ properties: type: boolean description: TX checksum offload is unsupported by the TX queue. + snps,time-based-scheduling: + type: boolean + description: + Time Based Scheduling will be enabled for TX queue. + This is typically not supported for TX queue 0. + allOf: - if: required: From patchwork Wed Jan 24 14:33:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Esben Haabendal X-Patchwork-Id: 191599 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:2553:b0:103:945f:af90 with SMTP id p19csp1036846dyi; Wed, 24 Jan 2024 06:50:28 -0800 (PST) X-Google-Smtp-Source: AGHT+IFvuqj4g9lUKpL+XMCZbJGJP6Cwzfm6ZF0OcgWqyACFRj+8K/AqhE8NBTaaHSPDpEno114D X-Received: by 2002:a17:906:f6cb:b0:a26:8f35:8bfd with SMTP id jo11-20020a170906f6cb00b00a268f358bfdmr1032019ejb.50.1706107828023; Wed, 24 Jan 2024 06:50:28 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1706107828; cv=pass; d=google.com; s=arc-20160816; b=unVKG/6Gdz9CzsevjLmGnMjdyrfSNbLSaT4w/qO+dHaCAz18/GVmtUtrvagBAyzUkR yQukBd2BY0Ucog0/bsLfig+HC3kQrxNE6XR2feynPuWKgH0oUipWQMhj8fQLsNMLsjUD M2UvNWLKXmAMJ/jHXWfOEgbasnBku0bu2QImNDiGiHCXahnk3J5LI8nRPpcUtuwKm+6/ 57qDb0q2vmxLKmgrewsG0DzuFSmMeAxP2ATafrtYEzaz5CZDfG11ZEUZ2qetk0bFlabk t8X2hL4wU1Xgfe4FvjSJv4HWSSL6gy1vBqMbP3122JmWKE6B1QL9jKr/jw1eU5KjG1oR /TLw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=43lXa0WU3VYMfy+YKtoNb7AXn3JY+KVVRfKVmYJaNNU=; fh=BKbgBJA00URhnVxKnPor2P+JsxS/Cg82TGn007JT7Zo=; b=qXbVhUGByQEvHsihQWcN+7myLNE/Lu5iT0IiQ4s3yUgRym47vN0WgltBwWhSUeF5sh s1x04r9oi0RAwERGIpoU4qODTvoOKIKSeNv1sgp6DdmypaR7rJO4B2tIX/qIjBsM6nQ8 L2xA7578/7tPB3s5+N/n7FiTbvid4xyBNajd+LZtCBFQj+8w7PQTtjTj5nucDFGcrpNK nPqBzFtazEVWCGY5nqkEHwqikMREDuUv/EKW/lEVqAHsFdO9qxS3sXO3fCZebGpgqlSz bv1WAt3+6QGiCFIz3zuNzT67ahpQJGOap/1uzpnfEfq/v+VlsWzCqQI99OPKWz1YiB/G QR2Q== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@geanix.com header.s=default2211 header.b=gX3xFsmZ; arc=pass (i=1 spf=pass spfdomain=geanix.com dkim=pass dkdomain=geanix.com dmarc=pass fromdomain=geanix.com); spf=pass (google.com: domain of linux-kernel+bounces-37189-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-37189-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=geanix.com Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin Cc: linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] net: stmmac: Time Based Scheduling support for OF platforms Date: Wed, 24 Jan 2024 15:33:14 +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 X-Authenticated-Sender: esben@geanix.com X-Virus-Scanned: Clear (ClamAV 0.103.10/27164/Wed Jan 24 10:45:32 2024) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1788983722044394521 X-GMAIL-MSGID: 1788983722044394521 This allows enabling TBS for TX queues by adding the snps,time-based-scheduling property. You should check for support for this on your particular controller before enabling. Typically, TX queue 0 does not support TBS. Signed-off-by: Esben Haabendal --- drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 70eadc83ca68..f0bb49b0f41c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -278,6 +278,8 @@ static int stmmac_mtl_setup(struct platform_device *pdev, plat->tx_queues_cfg[queue].coe_unsupported = of_property_read_bool(q_node, "snps,coe-unsupported"); + plat->tx_queues_cfg[queue].tbs_en = + of_property_read_bool(q_node, "snps,time-based-scheduling"); queue++; }