diff options
Diffstat (limited to 'src/vnet/ethernet/mac_address.h')
-rw-r--r-- | src/vnet/ethernet/mac_address.h | 68 |
1 files changed, 64 insertions, 4 deletions
diff --git a/src/vnet/ethernet/mac_address.h b/src/vnet/ethernet/mac_address.h index e89fb6516a0..87a66a242be 100644 --- a/src/vnet/ethernet/mac_address.h +++ b/src/vnet/ethernet/mac_address.h @@ -16,7 +16,7 @@ #ifndef __MAC_ADDRESS_H__ #define __MAC_ADDRESS_H__ -#include <vnet/ethernet/ethernet.h> +#include <vlib/vlib.h> typedef struct mac_address_t_ { @@ -36,18 +36,59 @@ STATIC_ASSERT ((sizeof (mac_address_t) == 6), extern const mac_address_t ZERO_MAC_ADDRESS; +always_inline u64 +ethernet_mac_address_u64 (const u8 * a) +{ + return (((u64) a[0] << (u64) (5 * 8)) + | ((u64) a[1] << (u64) (4 * 8)) + | ((u64) a[2] << (u64) (3 * 8)) + | ((u64) a[3] << (u64) (2 * 8)) + | ((u64) a[4] << (u64) (1 * 8)) | ((u64) a[5] << (u64) (0 * 8))); +} + +always_inline void +ethernet_mac_address_from_u64 (u64 u, u8 * a) +{ + i8 ii; + + for (ii = 5; ii >= 0; ii--) + { + a[ii] = u & 0xFF; + u = u >> 8; + } +} + +static inline int +ethernet_mac_address_is_multicast_u64 (u64 a) +{ + return (a & (1ULL << (5 * 8))) != 0; +} + +static inline int +ethernet_mac_address_is_zero (const u8 * mac) +{ + return ((*((u32 *) mac) == 0) && (*((u16 *) (mac + 4)) == 0)); +} + +static inline int +ethernet_mac_address_equal (const u8 * a, const u8 * b) +{ + return ((*((u32 *) a) == (*((u32 *) b))) && + (*((u16 *) (a + 4)) == (*((u16 *) (b + 4))))); +} + static_always_inline void mac_address_from_bytes (mac_address_t * mac, const u8 * bytes) { /* zero out the last 2 bytes, then copy over only 6 */ - clib_memcpy (mac->bytes, bytes, 6); + clib_memcpy_fast (mac->bytes, bytes, 6); } static_always_inline void mac_address_to_bytes (const mac_address_t * mac, u8 * bytes) { /* zero out the last 2 bytes, then copy over only 6 */ - clib_memcpy (bytes, mac->bytes, 6); + clib_memcpy_fast (bytes, mac->bytes, 6); } static_always_inline int @@ -67,7 +108,7 @@ mac_address_as_u64 (const mac_address_t * mac) } static_always_inline void -mac_address_from_u64 (u64 u, mac_address_t * mac) +mac_address_from_u64 (mac_address_t * mac, u64 u) { clib_memcpy (mac->bytes, &u, 6); } @@ -78,6 +119,25 @@ mac_address_copy (mac_address_t * dst, const mac_address_t * src) mac_address_from_bytes (dst, src->bytes); } +static_always_inline int +mac_address_cmp (const mac_address_t * a, const mac_address_t * b) +{ + return (memcmp (a->bytes, b->bytes, 6)); +} + +static_always_inline int +mac_address_equal (const mac_address_t * a, const mac_address_t * b) +{ + return (a->u.last_2 == b->u.last_2 && a->u.first_4 == b->u.first_4); +} + +static_always_inline void +mac_address_set_zero (mac_address_t * mac) +{ + mac->u.first_4 = 0; + mac->u.last_2 = 0; +} + extern uword unformat_mac_address_t (unformat_input_t * input, va_list * args); extern u8 *format_mac_address_t (u8 * s, va_list * args); |