The 07/30/2019 13:04, Ido Schimmel wrote: > On Tue, Jul 30, 2019 at 10:30:28AM +0200, Allan W. Nielsen wrote: > > The 07/30/2019 10:06, Ido Schimmel wrote: > > > As a bonus, existing drivers could benefit from it, as MDB entries are already > > > notified by MAC. > > Not sure I follow. When FDB entries are added, it also generates notification > > events. > > I meant the switchdev notification sent to drivers: > > /* SWITCHDEV_OBJ_ID_PORT_MDB */ > struct switchdev_obj_port_mdb { > struct switchdev_obj obj; > unsigned char addr[ETH_ALEN]; > u16 vid; > }; > > By extending MDB entries to also be keyed by MAC you basically get a lot > of things for free without duplicating the same code for multicast FDBs. Agree, this should be the same. > AFAICS, then only change in the fast path is in br_mdb_get() where you > need to use DMAC as key in case Ethertype is not IPv4/IPv6. That would be nice. -- /Allan