Re: [PATCH v5 net-next 07/15] net: bridge: mst: Add helper to map an MSTI to a VID set

[Nikolay Aleksandrov]

On 16/03/2022 17:08, Tobias Waldekranz wrote:
> br_mst_get_info answers the question: "On this bridge, which VIDs are
> mapped to the given MSTI?"
> 
> This is useful in switchdev drivers, which might have to fan-out
> operations, relating to an MSTI, per VLAN.
> 
> An example: When a port's MST state changes from forwarding to
> blocking, a driver may choose to flush the dynamic FDB entries on that
> port to get faster reconvergence of the network, but this should only
> be done in the VLANs that are managed by the MSTI in question.
> 
> Signed-off-by: Tobias Waldekranz <tobias@xxxxxxxxxxxxxx>
> ---
>  include/linux/if_bridge.h |  7 +++++++
>  net/bridge/br_mst.c       | 26 ++++++++++++++++++++++++++
>  2 files changed, 33 insertions(+)
> 

Acked-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>