On 13/03/2023 16:53, Ido Schimmel wrote: > Add an internal flag to indicate whether MDB entries are configured or > not. Set the flag after installing the first MDB entry and clear it > before deleting the last one. > > The flag will be consulted by the data path which will only perform an > MDB lookup if the flag is set, thereby keeping the MDB overhead to a > minimum when the MDB is not used. > > Another option would have been to use a static key, but it is global and > not per-device, unlike the current approach. > > Signed-off-by: Ido Schimmel <idosch@xxxxxxxxxx> > --- > drivers/net/vxlan/vxlan_mdb.c | 7 +++++++ > include/net/vxlan.h | 1 + > 2 files changed, 8 insertions(+) > Reviewed-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>
