diff options
Diffstat (limited to 'sys/netinet')
| -rw-r--r-- | sys/netinet/if_ether.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/netinet/if_ether.h b/sys/netinet/if_ether.h index 8bfd7a0af28..f1284d7be0e 100644 --- a/sys/netinet/if_ether.h +++ b/sys/netinet/if_ether.h @@ -1,4 +1,4 @@ -/* $OpenBSD: if_ether.h,v 1.19 2002/03/14 01:27:11 millert Exp $ */ +/* $OpenBSD: if_ether.h,v 1.20 2002/05/07 19:28:59 nate Exp $ */ /* $NetBSD: if_ether.h,v 1.22 1996/05/11 13:00:00 mycroft Exp $ */ /* @@ -90,6 +90,12 @@ struct ether_header { #define ETHERMTU (ETHER_MAX_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN) #define ETHERMIN (ETHER_MIN_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN) +/* + * Ethernet CRC32 polynomials (big- and little-endian verions). + */ +#define ETHER_CRC_POLY_LE 0xedb88320 +#define ETHER_CRC_POLY_BE 0x04c11db6 + #ifdef _KERNEL /* * Macro to map an IP multicast address to an Ethernet multicast address. @@ -286,6 +292,9 @@ int revarpwhoarewe(struct ifnet *, struct in_addr *, struct in_addr *); int revarpwhoami(struct in_addr *, struct ifnet *); int db_show_arptab(void); +u_int32_t ether_crc32_le(const u_int8_t *, size_t); +u_int32_t ether_crc32_be(const u_int8_t *, size_t); + #else char *ether_ntoa(struct ether_addr *); |