diff options
| -rw-r--r-- | openwrt/package/openwrt/include/proto/ethernet.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/openwrt/package/openwrt/include/proto/ethernet.h b/openwrt/package/openwrt/include/proto/ethernet.h index 0089ec78d9..173464af63 100644 --- a/openwrt/package/openwrt/include/proto/ethernet.h +++ b/openwrt/package/openwrt/include/proto/ethernet.h @@ -26,37 +26,51 @@ /* * The number of bytes in an ethernet (MAC) address. */ +#ifndef ETHER_ADDR_LEN #define ETHER_ADDR_LEN 6 +#endif /* * The number of bytes in the type field. */ +#ifndef ETHER_TYPE_LEN #define ETHER_TYPE_LEN 2 +#endif /* * The number of bytes in the trailing CRC field. */ +#ifndef ETHER_CRC_LEN #define ETHER_CRC_LEN 4 +#endif /* * The length of the combined header. */ +#ifndef ETHER_HDR_LEN #define ETHER_HDR_LEN (ETHER_ADDR_LEN*2+ETHER_TYPE_LEN) +#endif /* * The minimum packet length. */ +#ifndef ETHER_MIN_LEN #define ETHER_MIN_LEN 64 +#endif /* * The minimum packet user data length. */ +#ifndef ETHER_MIN_DATA #define ETHER_MIN_DATA 46 +#endif /* * The maximum packet length. */ +#ifndef ETHER_MAX_LEN #define ETHER_MAX_LEN 1518 +#endif /* * The maximum packet user data length. @@ -107,7 +121,7 @@ struct vlan_tags { #define ETHER_IS_VALID_LEN(foo) \ ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN) - +#ifndef __NET_ETHERNET_H #ifndef __INCif_etherh /* Quick and ugly hack for VxWorks */ /* * Structure of a 10Mb/s Ethernet header. @@ -125,6 +139,7 @@ struct ether_addr { uint8 octet[ETHER_ADDR_LEN]; } PACKED ; #endif +#endif /* * Takes a pointer, returns true if a 48-bit multicast address |