Re: [PATCH iproute2-next] bridge: mcast: add mcast_active_v4 / mcast_active_v6 output

On Fri, Feb 06, 2026 at 03:37:04AM +0100, Linus Lüssing wrote:
> Add output for the mcast_active_v4 and mcast_active_v6 states. If their
> output is 1 then IGMP/MLD snooping is applied to multicast payload
> traffic of their according protocol family. This is the case when:
> 
> * the bridge interface is up
> * multicast snooping is enabled
> * an IGMP/MLD querier is present
> * for own IPv6 MLD querier: an IPv6 address is configured on the bridge
> 
> Signed-off-by: Linus Lüssing <[email protected]>
> ---
>  bridge/vlan.c                  | 10 ++++++++++
>  include/uapi/linux/if_bridge.h |  2 ++
>  include/uapi/linux/if_link.h   |  2 ++

Code looks fine, but note that David asks to split the uAPI header
changes to a separate patch as a hint for him to sync the headers. See
commit a3ec2778576b ("Update kernel headers") for example.

>  ip/iplink_bridge.c             | 12 ++++++++++++
>  4 files changed, 26 insertions(+)