From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.aperture-lab.de (mail.aperture-lab.de [116.203.183.178]) (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 878531FECAB for ; Sat, 4 Oct 2025 13:28:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=116.203.183.178 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759584496; cv=none; b=huR+H9LgRxOV6j6oFrXNsZyXmtee308E2NJDVFqjPJ9/yhOTFHT1H7yQC0IswjYgqnXHOxvmQd7qefdjO/KKqhzMjJdstB3f07qH3RI/xTcgunI+XxQdfbw/TWMk9joPzkdXJR18QDJMqLiQQ1TtCQgvCdjdb4lDhQSs5yhbhNI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759584496; c=relaxed/simple; bh=DG417uOmbSeOEv11e+wf4CXIeOQy8X5vMNAmGfW5IYw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sQWh37Lvsfyct7iy71d/K2cyHEUm3siKtuMI+IvGXEWR4fiXsKDaX+h+k3T1n+OKBNzYSRQXZ7voqEfIa5OdZ9rkcSDuFGXarDnHrS+6PGfvjTqEFIypanZFzgNEIrbQpj2nkr4r//Sf5WGhqcAgpDeeBuF+o2sFdooi5EI3FNg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=c0d3.blue; spf=pass smtp.mailfrom=c0d3.blue; arc=none smtp.client-ip=116.203.183.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=c0d3.blue Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=c0d3.blue Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id A643C54CDA9; Sat, 4 Oct 2025 15:19:26 +0200 (CEST) Date: Sat, 4 Oct 2025 15:19:25 +0200 From: Linus =?utf-8?Q?L=C3=BCssing?= To: Nikolay Aleksandrov Cc: Jakub Kicinski , Petr Machata , "David S. Miller" , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, Simon Horman , Ido Schimmel , bridge@lists.linux.dev, mlxsw@nvidia.com, Vladimir Oltean , Andrew Lunn , Jiri Pirko Subject: Re: [PATCH net-next 00/10] bridge: Allow keeping local FDB entries only on VLAN 0 Message-ID: References: <20250908192753.7bdb8d21@kernel.org> <3213449c-57bd-4243-ac8f-5c72071dfee5@blackwall.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <3213449c-57bd-4243-ac8f-5c72071dfee5@blackwall.org> X-Last-TLS-Session-Version: TLSv1.3 On Tue, Sep 09, 2025 at 12:07:43PM +0300, Nikolay Aleksandrov wrote: > My 2c, it is ok to special case vlan 0 as it is illegal to use, so it can be used > to match on "special" entries like this. I'm probably missing some context, but why would VLAN 0 be illegal to use? Isn't VLAN 0 used for untagged frames with priorities? A priority tagged frame? Regards, Linus