diff options
Diffstat (limited to 'src/vnet/ethernet')
| -rw-r--r-- | src/vnet/ethernet/ethernet.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/ethernet/ethernet.h b/src/vnet/ethernet/ethernet.h index 2a3383a9eaa..9a97817262c 100644 --- a/src/vnet/ethernet/ethernet.h +++ b/src/vnet/ethernet/ethernet.h @@ -61,6 +61,12 @@ ethernet_mac_address_is_multicast_u64 (u64 a) return (a & (1ULL << (5 * 8))) != 0; } +static inline int +ethernet_mac_address_is_zero (u8 * mac) +{ + return ((*((u32 *) mac) == 0) && (*((u16 *) (mac + 4)) == 0)); +} + static_always_inline int ethernet_frame_is_tagged (u16 type) { |