From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=91.218.175.156 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792992989; b=YqpMePSS8ZaBz7j5rJbEuzhY6Q/FQyyetLdev0siIWvlNzGwSPKBzjfXq/aF15Hy6uts vG3nvwY+5kDrqPGdD99R3DB7+WuMtOADrauNISwo0EoDmc2F+ucpa9drtKQBVgZpf0/AH yaMf9JLdxc5ipF+ZOz9zIKcwz1alK66ypdE6V168gov/Xn5hTZNhhc3zGJ6BfraWAfGo2 0v2ERYoqMzQ7i+zt/VDDrOfIju0KDbns7fzUrK8FYxDjNyo7KxedLJ36AqepueW8Day3U JtkP1dGphS6FiXrLwtCNlpL/AxzxmMw7S1Foaoyx39g2Vt2+vHaC8gJTFtR/lIdcEhg== 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=Kka3g7vYi+57Gvu8qwn2BogPzuU0zmU7jqIsWZU2/IlUe2MCVbUa/FLQBonQa8Njz7kN gMztpvGT4Bz3vdEp73pRqo2VtmXUmZsIQrZlSkf+YHsMxA1iMm4o2jbNpB+qRQ+B9UyVQ iPrbSuhWMjtfHaanvn//B5XplycMkRvD5+zyCT1oM7Ah3JH70dMMe+dkSY8Wby+ZVXqrT /rApdGurWpiZUA2j5VwN2nlmUeq6lg1BXXbtkYELQp6CFR1plNi69t3E3Ahnl5rmQvX0s J0DXPtMAac+LKYvYbGk08VjLyPVRfC52TWE1IIsRlNx90U3t7thJAZYYoGyh6IGeiDA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; arc=none smtp.remote-ip=91.218.175.156 Received: from mta0.migadu.com (out-156.mta0.migadu.com [91.218.175.156]) (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 DBCD6606A321 for ; Mon, 26 Oct 2026 05:36:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org DBCD6606A321 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 X-Envelope-To: netdev@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: netdev@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: netdev@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