EBT_SOURCEMAC 110 include/linux/netfilter_bridge/ebtables.h #define EBT_F_MASK (EBT_NOPROTO | EBT_802_3 | EBT_SOURCEMAC | EBT_DESTMAC \ EBT_SOURCEMAC 126 net/bridge/netfilter/ebtables.c if (e->bitmask & EBT_SOURCEMAC) {