Re: [PATCH net-next v1 2/9] net: dsa: tag_ar9331: detect IGMP and MLD packets

[Vladimir Oltean]

Hi Oleksij,

On Sat, Apr 03, 2021 at 01:48:41PM +0200, Oleksij Rempel wrote:
> The ar9331 switch is not forwarding IGMP and MLD packets if IGMP
> snooping is enabled. This patch is trying to mimic the HW heuristic to take
> same decisions as this switch would do to be able to tell the linux
> bridge if some packet was prabably forwarded or not.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---

I am not familiar with IGMP/MLD, therefore I don't really understand
what problem you are trying to solve.

Your switch has packet traps for IGMP and MLD, ok. So it doesn't forward
them. Must the IGMP/MLD packets be forwarded by an IGMP/MLD snooping
bridge? Which ones and under what circumstances?