From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f45.google.com (mail-ed1-f45.google.com [209.85.208.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B98891C6FF8 for ; Thu, 6 Feb 2025 14:22:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738851725; cv=none; b=ZBKIP1WbKTEPIfNwDqCRqbDat2o5QvXPFvrjGSgUXQXrNkFVmsf2U16ORJqSdpBPvAKJojfTYuTvXfnvMPVrSQJzUG/cLNyv7Iw9WOAW6lTW8zOK2faO+vbhkElFX519HXr9QX75ptAbmLLv4gXpwhpdCjeAPh7jCKSkDHwiBlc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738851725; c=relaxed/simple; bh=Qaii/4wx+f4RmmjpA6Oq2TvM5/xDsmQW0adSKnoxq2E=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=CsHGLkT6r0huumcHKFp21Rtg9ThI0c20iH9fzl8+Zf74s0LGWhsw+aB2U9EhhDoxta5s4n6YSHDdT+RqTKVMPw7KiwcQGE2zDVa+b2G6mam0uvUxXmX0vtRau41qOT9r0PL+1svnWW8MYVaAgX9AeGo61NceO90B2pXym9Q2vYs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=blackwall.org; spf=none smtp.mailfrom=blackwall.org; dkim=pass (2048-bit key) header.d=blackwall-org.20230601.gappssmtp.com header.i=@blackwall-org.20230601.gappssmtp.com header.b=KuIKMg4r; arc=none smtp.client-ip=209.85.208.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=blackwall.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=blackwall.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=blackwall-org.20230601.gappssmtp.com header.i=@blackwall-org.20230601.gappssmtp.com header.b="KuIKMg4r" Received: by mail-ed1-f45.google.com with SMTP id 4fb4d7f45d1cf-5dc75f98188so1789394a12.2 for ; Thu, 06 Feb 2025 06:22:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=blackwall-org.20230601.gappssmtp.com; s=20230601; t=1738851722; x=1739456522; darn=lists.linux.dev; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=AtE/V7UyaqCUm/jEvMcWRgFAvov74MHFiHvUqv3+ay4=; b=KuIKMg4rap/EpKjuYyXZwh8/mTg2PipdfsWMMuiSxTNySFYLeyoqG4794OM5LffqHi 7wZuxMK2S+ELt9OSlVgVZF4+K0smq1G+PVza/X9hnB4D8WsEEU6sJml4s3jlMmIGax6B FWZQ3ZbQA1FNgHHyOt3P83i5vqSDT2INSdsuHsiJTFauzPBK71+7kQifRIrFsRSEmnGH QGjQGzwxFHMgDnfHbT+iixdtAbMo6BtNkhU2wgfnpTwE/ThQZs7EXrfY3CUrDDvhaUQm Ks7TxJ7945odc1zUyVqwbss2qkdH6Nc/yoZR6JrfjMNB9JEgiJaqbNJAxKpXK1J/a1D4 GimQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738851722; x=1739456522; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=AtE/V7UyaqCUm/jEvMcWRgFAvov74MHFiHvUqv3+ay4=; b=XQzFgkUf7LhP6zc3Qf9BrnitKSRAeY1kKtPYAmy8on+Ml/zLuIr7yiLhE+O0qQ7g2F rjLjqBlq7t7VW2EgFi7+ukbXaEXewq6c1rEsBkwJefWoCdI2Hg+dlGzLHi5Qd9hJE/ie CFpL1gXDrvBdO2xl+15U23NkJUdLQyQgKSmieK3LuD9xqk04K9wQxeiZ2w5Vl+bshMeW ImFRSkj6k+V/BDhdq4h0l5WMbEVbfrY17os0AeNMQTmQ6HUvFk0V6Gq50YEUWgxl51hZ IrE/Y4CeyJdUHf0Qwpfgapmldou+ZP4VGhRjWjsayMCDR4Jcyw4QZeW6g3V4Avs2VsSO 8mJA== X-Forwarded-Encrypted: i=1; AJvYcCXmdSC3DBELyoSRI1ZnBon+UvwhmeUd068/YZAaYbZIfdqrGmWfHJ7V4sV476EDGb9H9DmPnCU=@lists.linux.dev X-Gm-Message-State: AOJu0Yy5L68gQaL1yr0XSi4RWa73FLxlxicO8JxbrTvR9yPLLqsVSQ8i wdpEoDi2JuGUBmPMPgrVotFlMyzwKyW9BnLBelsuPUx99brHa//3dTQkz6Sy0yY= X-Gm-Gg: ASbGncucvj+vMHZCX/h4CKulLd/lMCn8PqWwn37FUdKyJfjZ7Q9yzZXLdz/SyDenlBy ibtsQb9Dh6yFF6pw1ky0kk79sfE4Y0wruYlA25iF1rIq7vrWBeoRqiFM1cKt/EqrDIrtg4/rYIW MRueRZTf13YEs083Sx66XUALhlmN2LrEcwRgYr/Ivw71PngXki8qDXfa5tbhfCtZqDAqJ77XghP Ii92lbXcndGp0CTv3CidCTaPiqEfTXhnOcGI76Du9v+CbChoA0DwRVhSplsshTSWDQl1QA9Dunf dteBJsaNb2UjoJWdg6K/ZYyQb1RymTNE0qh8SKtk0vVSNQ4= X-Google-Smtp-Source: AGHT+IEe7WdSsNkjgnty/HyvHskjlhljY6wt44W4IMiUaDBB3MI2H2nfwFKZUIVfpj7A/eSHa7SXrA== X-Received: by 2002:a05:6402:4486:b0:5db:f423:19b9 with SMTP id 4fb4d7f45d1cf-5dcdb72958cmr8121194a12.16.1738851721184; Thu, 06 Feb 2025 06:22:01 -0800 (PST) Received: from [192.168.0.205] (78-154-15-142.ip.btc-net.bg. [78.154.15.142]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5dcf1b85a3fsm941354a12.46.2025.02.06.06.21.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 06 Feb 2025 06:22:00 -0800 (PST) Message-ID: Date: Thu, 6 Feb 2025 16:21:58 +0200 Precedence: bulk X-Mailing-List: bridge@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 net-next 12/14] bridge: No DEV_PATH_BR_VLAN_UNTAG_HW for dsa foreign To: Eric Woudstra , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Pablo Neira Ayuso , Jozsef Kadlecsik , Jiri Pirko , Ivan Vecera , Roopa Prabhu , Matthias Brugger , AngeloGioacchino Del Regno , Kuniyuki Iwashima , Sebastian Andrzej Siewior , Lorenzo Bianconi , Joe Damato , Alexander Lobakin , Vladimir Oltean , Frank Wunderlich , Daniel Golle Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, bridge@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org References: <20250204194921.46692-1-ericwouds@gmail.com> <20250204194921.46692-13-ericwouds@gmail.com> Content-Language: en-US From: Nikolay Aleksandrov In-Reply-To: <20250204194921.46692-13-ericwouds@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/4/25 21:49, Eric Woudstra wrote: > In network setup as below: > > fastpath bypass > .----------------------------------------. > / \ > | IP - forwarding | > | / \ v > | / wan ... > | / > | | > | | > | brlan.1 > | | > | +-------------------------------+ > | | vlan 1 | > | | | > | | brlan (vlan-filtering) | > | | +---------------+ > | | | DSA-SWITCH | > | | vlan 1 | | > | | to | | > | | untagged 1 vlan 1 | > | +---------------+---------------+ > . / \ > ----->wlan1 lan0 > . . > . ^ > ^ vlan 1 tagged packets > untagged packets > > br_vlan_fill_forward_path_mode() sets DEV_PATH_BR_VLAN_UNTAG_HW when > filling in from brlan.1 towards wlan1. But it should be set to > DEV_PATH_BR_VLAN_UNTAG in this case. Using BR_VLFLAG_ADDED_BY_SWITCHDEV > is not correct. The dsa switchdev adds it as a foreign port. > > The same problem for all foreignly added dsa vlans on the bridge. > > First add the vlan, trying only native devices. > If this fails, we know this may be a vlan from a foreign device. > > Use BR_VLFLAG_TAGGING_BY_SWITCHDEV to make sure DEV_PATH_BR_VLAN_UNTAG_HW > is set only when there if no foreign device involved. > > Signed-off-by: Eric Woudstra > --- > include/net/switchdev.h | 1 + > net/bridge/br_private.h | 10 ++++++++++ > net/bridge/br_switchdev.c | 15 +++++++++++++++ > net/bridge/br_vlan.c | 7 ++++++- > net/switchdev/switchdev.c | 2 +- > 5 files changed, 33 insertions(+), 2 deletions(-) > Acked-by: Nikolay Aleksandrov