From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-171.mta1.migadu.com (out-171.mta1.migadu.com [95.215.58.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ACB9D39A070 for ; Wed, 1 Jul 2026 20:56:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782939375; cv=none; b=uYar5h4uA2VVWJrXSVYfehPZePxfO9nH2nWbipYfeADHYrYP5FLRSxIfwByHKDsWrAebV+JqSt+F79dXkMcKJafv89fJ264OUIS8xBGyfXBt1nOWNCi8zw8tqz+0wO2fE0m2r1VSJCq1fnXOWpEuPg4Ea4OiT0H8SSNXKpFfsbg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782939375; c=relaxed/simple; bh=K+VK7byg5S8cMNYoHj9J69XbRyDkz0NV05GFcO0pyAs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=NJMM0dVFWccMoHT6Rngv5+xMgS37GGIk2E0/qM9oB/XBHqFBrGqH1Lzv/BsncDfy5B5wHh6Rgxj8THE31OqplSzq+ED2zVUApN1GC7N6IEw1+7PE3aVPEJF9g3bIawQB9AXcWcmNCnOoamSiqzYauDmnJt7qKnns+9ALi+R8Lso= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=XwZhNVxB; arc=none smtp.client-ip=95.215.58.171 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) header.d=linux.dev header.i=@linux.dev header.b="XwZhNVxB" Message-ID: <7ea61c14-3b43-4e5a-b0d0-4ea69bbe0097@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1782939361; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=F6FBu8HceUpdw44ysEgYmeU2G+E3tC7Rf63pXIGOv3E=; b=XwZhNVxBTG8b2as5/ffLC3DPj6ELrYjk/9ael7uI7kRXDAEx6i6smzZRKlxqQdjhB2hcFZ LaZuqDfj4LsDrdI6+vxzQ8XEhR0msMfdMa3OqGsu92D4zyna6dZtbJW1PTxpeBfnO01o1r 5IhwWvGqpp8qGd9Ovc/rmWeR6arrzhA= Date: Wed, 1 Jul 2026 21:55:35 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH net-next 3/3] selftests: net: check multicast group user count To: Yuyang Huang Cc: "David S. Miller" , Andrew Lunn , David Ahern , Donald Hunter , Eric Dumazet , Ido Schimmel , Jakub Kicinski , Paolo Abeni , Shuah Khan , Simon Horman , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, netdev@vger.kernel.org References: <20260630110207.37841-1-sigefriedhyy@gmail.com> <20260630110207.37841-4-sigefriedhyy@gmail.com> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Vadim Fedorenko In-Reply-To: <20260630110207.37841-4-sigefriedhyy@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 30/06/2026 12:02, Yuyang Huang wrote: > Extend the RTM_GETMULTICAST dump test to verify IFA_MC_USERS for both > IPv4 and IPv6 multicast groups. > > Run each protocol test in a fresh network namespace to avoid changing > host-network state or racing with unrelated multicast users. Join a > fixed multicast group twice using separate sockets and check that the > reported user count increases by two. > > Signed-off-by: Yuyang Huang > --- > tools/testing/selftests/net/rtnetlink.py | 101 ++++++++++++++++++++--- > 1 file changed, 90 insertions(+), 11 deletions(-) > Reviewed-by: Vadim Fedorenko