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

Nikolay Aleksandrov
2022-03-17T09:01:15Z

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@waldekranz.com>
> ---
> include/linux/if_bridge.h | 7 +++++++
> net/bridge/br_mst.c | 26 ++++++++++++++++++++++++++
> 2 files changed, 33 insertions(+)
>

Acked-by: Nikolay Aleksandrov <razor@blackwall.org>