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>