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client-ip=8.62.32.50; helo=ejcrelay005p.adwin.renesas.com; pr=E Received: from ejcrelay005p.adwin.renesas.com (8.62.32.50) by TYO1EPF0000501F.mail.protection.outlook.com (10.167.240.4) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.406.5 via Frontend Transport; Tue, 8 Sep 2026 16:44:03 +0000 Received: from vm01.adwin.renesas.com (DEU-5CG20946WF.adwin.renesas.com [10.226.92.55]) by ejcrelay005p.adwin.renesas.com (Postfix) with ESMTP id 5A56C30001C0; Wed, 9 Sep 2026 01:43:57 +0900 (JST) From: Ovidiu Panait To: maxime.chevallier@bootlin.com, recv.jo@gmail.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, shuah@kernel.org, joabreu@synopsys.com, yi.fang.gan@intel.com, jun.ann.lai@intel.com Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Ovidiu Panait Subject: [PATCH net v4 4/7] net: stmmac: Do not advertise S-VLAN stripping when it is disabled Date: Tue, 8 Sep 2026 16:43:06 +0000 Message-ID: <20260908164309.59282-5-ovidiu.panait.rb@renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260908164309.59282-1-ovidiu.panait.rb@renesas.com> References: <20260908164309.59282-1-ovidiu.panait.rb@renesas.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TYO1EPF0000501F:EE_|OS9PR01MB16470:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 441ae7c5-1d9b-470a-b401-08df0dc863e8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|7416014|23010399003|36860700016|82310400026|921020|10067099003|56012099006|11063799006|18002099003|22082099003; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org C-VLAN and S-VLAN tag stripping are both controlled by the EVLS bit, so disabling rx-vlan-offload also disables S-VLAN tag stripping. However, rx-vlan-stag-hw-parse keeps being advertised as enabled: root@rzv2h-evk:~# ethtool -K end1 rx-vlan-offload off root@rzv2h-evk:~# ethtool -k end1 | grep -i vlan rx-vlan-offload: off tx-vlan-offload: off [fixed] rx-vlan-filter: on [fixed] vlan-challenged: off [fixed] tx-vlan-stag-hw-insert: off [fixed] rx-vlan-stag-hw-parse: on [fixed] rx-vlan-stag-filter: on [fixed] Fix this inconsistency by making NETIF_F_HW_VLAN_STAG_RX follow NETIF_F_HW_VLAN_CTAG_RX. Fixes: 750011e239a5 ("net: stmmac: Add support for HW-accelerated VLAN stripping") Signed-off-by: Ovidiu Panait --- v4 changes: - New patch. drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index cd9671493b41..c81c5bb5b075 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -6189,6 +6189,13 @@ static netdev_features_t stmmac_fix_features(struct net_device *dev, if (priv->plat->bugged_jumbo && (dev->mtu > ETH_DATA_LEN)) features &= ~NETIF_F_CSUM_MASK; + if (priv->hw->hw_svlan_en) { + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_STAG_RX; + else + features &= ~NETIF_F_HW_VLAN_STAG_RX; + } + return features; } -- 2.34.1