linux-kernel - Re: [PATCH net-next, v2] selftest: Add selftest for multicast address notifications

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Message-ID: <20250611142346.4c3456f0@kernel.org>
Date: Wed, 11 Jun 2025 14:23:46 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Yuyang Huang <yuyanghuang@...gle.com>
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Simon Horman
 <horms@...nel.org>, Shuah Khan <shuah@...nel.org>, netdev@...r.kernel.org,
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org, "Maciej
 Żenczykowski" <maze@...gle.com>, Lorenzo Colitti
 <lorenzo@...gle.com>
Subject: Re: [PATCH net-next, v2] selftest: Add selftest for multicast
 address notifications

On Tue, 10 Jun 2025 18:40:45 +0900 Yuyang Huang wrote:
> This commit adds a new kernel selftest to verify RTNLGRP_IPV4_MCADDR
> and RTNLGRP_IPV6_MCADDR notifications. The test works by adding and
> removing a dummy interface and then confirming that the system
> correctly receives join and removal notifications for the 224.0.0.1
> and ff02::1 multicast addresses.
> 
> The test relies on the iproute2 version to be 6.13+.

Thanks for the test. Could you please add it to another (perhaps
a new?) test? rtnetlink is the main configuration interface for 
networking, if we add all test cases that relate to it to a single
file it will quickly become huge.
-- 
pw-bot: cr