Re: [PATCH net-next 3/3] selftests: net: check multicast group user count

[Vadim Fedorenko]

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 <sigefriedhyy@xxxxxxxxx>
> ---
>   tools/testing/selftests/net/rtnetlink.py | 101 ++++++++++++++++++++---
>   1 file changed, 90 insertions(+), 11 deletions(-)

Reviewed-by: Vadim Fedorenko <vadim.fedorenko@xxxxxxxxx>