From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.177 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792992989; b=uAgrlQZHmMu7jljzWmIMEXktdBu/FaQNRryiMaQnuSXx1mIE6JdFxGF79nLh24rqVAzF aYA8PlL4GBmUDkWjkEjDdQ2KZG2kM4ZjU9RZi1GbMl2DuDUB9RxEC8LPKxsP5E0wUifl9 BXQCep6VHwzG82Fzi/kxpQufHGhcbI1QWP8Mt2HG/Sm3Y1q9sGHUWWrViTWHddxF/JkzW hFgfQvRtHR6cZBxOERU29sNmohx9o/dpGauQbvosCUBypVQNWoNoQn0rOCvYIQdX6YtGt SXqMfU2roKibfqGQrS/ZTNrtvKbfrfSlz9hVc/vCTi+9BlhT6b5dPvuo2K7287AhH2A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792992989; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=4FzJ80Q5D/VPRLbKelDy3UZsEYnGkuTYp52tkB+Plws=; b=j2MNjcZS5vHIR8/VvhJCcjQsM20RrdVe2ZXFiHgbKa+2IXgfnU+O2GP5XAGEokZiBJh5 y72KX3QkEUwZwlu+1ZFsuTo8dfm76H8G+QVC39hzXaDRF0gZSeW68KvJJI6S9OUsHiASv BPGQtJ1tZZoJ6PUhPUxEd9Z1l7kM/KPmwQ8BbP9r6daymYyVQPHGZ4IWFbOrXTAqZqDM6 bQkRVM8VQf2RGSQ1e6Cc+phCY6N5dVMr+9KA06LvaViiZdfhzNizVKVUQhv1jUGEFSjTt cmxBJw+izkroz2Pp53PlhzwALHiRgNIooaTdfBXVlrA6/F2UlImIhMR14PdmAjRUSnQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=tRRbi7yy; arc=none smtp.remote-ip=95.215.58.177 Received: from mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DC1A3606A322 for ; Mon, 26 Oct 2026 05:36:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org DC1A3606A322 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=tRRbi7yy X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=IKpBcbwGcEt6VGnkPgPXGL4icYZfO5gorFdDU5Rf/FY=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1792992985; v=1; x=1793597785; b=tRRbi7yy8SJo8ciJTUdPXbaOm+5p5NTFyG0G676n7F0K2cId8wczbUoPtmsLOROASobAwUoq 1O2iARQbikjoDwAd3Z5lWPf+teoXg1euUsokLpxKB4Ve44bMbNrDiL2ENCCELbgvWfnhaRv8HF7 dgcXA3kHOavFi6tVCCVQtyJg= X-Envelope-To: linux-kernel@vger.kernel.org Received: by mta10.migadu.com with ESMTPS id c7a288749cf7c812; Mon, 26 Oct 2026 05:36:25 +0000 X-Mizu-Trace-ID: c7a288749cf7c812 X-Migadu-Flow: FLOW_OUT Date: Mon, 26 Oct 2026 13:36:13 +0800 From: Hangbin Liu To: Hannes Laimer Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Nikolay Aleksandrov , Ido Schimmel , Petr Machata , David Ahern , Simon Horman , Shuah Khan , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH net 0/2] vxlan: keep reserved_bits on changelink Message-ID: References: <20261023-b4-vxlan-changelink-gbp-v1-0-f0d13951c09b@proxmox.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261023-b4-vxlan-changelink-gbp-v1-0-f0d13951c09b@proxmox.com> On Fri, Oct 23, 2026 at 01:14:26PM +0200, Hannes Laimer wrote: > Currently reserved_bits are reset on every changelink. This leads to > packets using extensions that were enabled on creation being dropped > after a changelink. The first commit describes the problem and > solution in more detail and the second just adds a selftest for this. > > Signed-off-by: Hannes Laimer > --- > Hannes Laimer (2): > vxlan: keep reserved_bits across changelink > selftests: forwarding: vxlan_reserved: add gbp changelink test > > drivers/net/vxlan/vxlan_core.c | 2 +- > tools/testing/selftests/net/forwarding/vxlan_reserved.sh | 15 +++++++++++++++ > 2 files changed, 16 insertions(+), 1 deletion(-) > --- > base-commit: 734bef548a96e8774d6eef5dfa2026c6edc4e80b > change-id: 20261023-b4-vxlan-changelink-gbp-de5e81eed8d1 > > Best regards, > -- > Hannes Laimer > > Reviewed-by: Hangbin Liu