From patchwork Mon Nov 14 12:42:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 13042271 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F4189C433FE for ; Mon, 14 Nov 2022 12:43:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=H+eftt8l6Bnn209SyArb1oaE+v3tXc1RSpc0VaS+BPM=; b=zdNDxYv4iE2i83K9hFriQmOBFx 19/sdq6dP9kSGWVyHl6G39jNq7DjWv5nnNZ1+oSzQsR9/z0rlhXQt6bZXrtXFWIJ7QDL9Wg/kzRVS b/VRtJzRbu05nwi2FoMSDSb/PXHJGTGjuzOn1EICaS79IaKY/OHlecVt4ymK0Ua/LBFi4aJdTks94 PhwtmWdSVJOcoEkT2DrKa+pPEBXUDiNlcISH3xZJ/o1cTbjVawP8rmUItJfCnTvzNFITKw8ZvgOGW CPei5WFIJ+XtHcdVWorHkTrciL9cjMofwSQJobeut1mFFMzO8ZOdICd5RBdBVC2N8xbKww9bGo7iv dB4xi4NQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouYnr-000sIX-G8; Mon, 14 Nov 2022 12:43:07 +0000 Received: from nbd.name ([46.4.11.11]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouYnN-000s2A-KV; Mon, 14 Nov 2022 12:42:40 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; 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:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=H+eftt8l6Bnn209SyArb1oaE+v3tXc1RSpc0VaS+BPM=; b=WHepIjbX3dKpEn6yNU7rq6UdWL NWS3b335IF3WiAXwTR7P9j5aj4wACnG4+wNvTUg1osbaEEkp84/tYe6854eKNlkN/qRrroWkSsgQJ boW5xLyX/hmzZFXnFz1hVOyEnSQDbbsTmFtKS0aLJn2ubRaSsiYKM0cuzhXltl2PiDqg=; Received: from p54ae9c3f.dip0.t-ipconnect.de ([84.174.156.63] helo=Maecks.lan) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (Exim 4.94.2) (envelope-from ) id 1ouYn8-0021wc-SQ; Mon, 14 Nov 2022 13:42:22 +0100 From: Felix Fietkau To: netdev@vger.kernel.org, John Crispin , Sean Wang , Mark Lee , Lorenzo Bianconi , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger Cc: Vladimir Oltean , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v4 3/4] net: ethernet: mtk_eth_soc: add support for configuring vlan rx offload Date: Mon, 14 Nov 2022 13:42:13 +0100 Message-Id: <20221114124214.58199-4-nbd@nbd.name> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221114124214.58199-1-nbd@nbd.name> References: <20221114124214.58199-1-nbd@nbd.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221114_044237_734193_3A016BBA X-CRM114-Status: GOOD ( 15.06 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Keep the vlan rx offload feature in sync across all netdevs belonging to the device, since the feature is global and can't be turned off per MAC Signed-off-by: Felix Fietkau --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 25 ++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 891dd6937f89..a118c715b09b 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2724,15 +2724,30 @@ static netdev_features_t mtk_fix_features(struct net_device *dev, static int mtk_set_features(struct net_device *dev, netdev_features_t features) { - int err = 0; + struct mtk_mac *mac = netdev_priv(dev); + struct mtk_eth *eth = mac->hw; + netdev_features_t diff = dev->features ^ features; + int i; - if (!((dev->features ^ features) & NETIF_F_LRO)) + if ((diff & NETIF_F_LRO) && !(features & NETIF_F_LRO)) + mtk_hwlro_netdev_disable(dev); + + /* Set RX VLAN offloading */ + if (!(diff & NETIF_F_HW_VLAN_CTAG_RX)) return 0; - if (!(features & NETIF_F_LRO)) - mtk_hwlro_netdev_disable(dev); + mtk_w32(eth, !!(features & NETIF_F_HW_VLAN_CTAG_RX), + MTK_CDMP_EG_CTRL); - return err; + /* sync features with other MAC */ + for (i = 0; i < MTK_MAC_COUNT; i++) { + if (!eth->netdev[i] || eth->netdev[i] == dev) + continue; + eth->netdev[i]->features &= ~NETIF_F_HW_VLAN_CTAG_RX; + eth->netdev[i]->features |= features & NETIF_F_HW_VLAN_CTAG_RX; + } + + return 0; } /* wait for DMA to finish whatever it is doing before we start using it again */