Subject: Re: [PATCH net-next v2 04/14] net: bridge: mcast: track active state, IGMP/MLD querier appearance

From: Ido Schimmel <[email-masked]>
Date: Sun, 8 Feb 2026 18:07:46 +0200

On Fri, Feb 06, 2026 at 03:52:10AM +0100, Linus Lüssing wrote:
> +static void br_multicast_notify_active(struct net_bridge_mcast *brmctx,
> +				       bool ip4_active_old, bool ip6_active_old)
> +{
> +	if (brmctx->ip4_active == ip4_active_old &&
> +	    brmctx->ip6_active == ip6_active_old)
> +		return;
> +
> +	br_info(brmctx->br, "mc_active changed, vid: %i: v4: %i->%i, v6: %i->%i\n",
> +		brmctx->vlan ? brmctx->vlan->vid : -1,
> +		ip4_active_old, brmctx->ip4_active,
> +		ip6_active_old, brmctx->ip6_active);

Make this br_debug() to avoid spamming the kernel log?

I am aware that this can also be notified over netlink, but it will add
extra complexity and I am not sure anyone will use, so it might be best
to defer it for now.

> +}