Re: [PATCH net-next v4 14/14] net: bridge: mcast: add inactive state assertions

On Sat, Mar 07, 2026 at 05:45:48AM +0100, Linus Lüssing wrote:

To avoid packetloss and as it is very hard from a user's perspective to
debug multicast snooping related issues it is even more crucial to properly
switch from an active to an inactive multicast snooping state than the
other way around.

Therefore adding a few kernel warnings if any of our assertions to be in
an inactive state would fail.

More assertions will be needed to cover the following cases:

1. Per-VLAN multicast snooping is turned off.
2. Multicast snooping is disabled on a specific VLAN.

__br_multicast_stop() is not called in these cases with the per-VLAN
context when the VLAN is not configured on the bridge interface.