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

From: Jakub Kicinski
Date: Wed Jun 11 2025 - 17:24:05 EST


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.
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pw-bot: cr