diff options
| -rw-r--r-- | sys/net/ethernet.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/net/ethernet.h b/sys/net/ethernet.h new file mode 100644 index 0000000..487849e --- /dev/null +++ b/sys/net/ethernet.h @@ -0,0 +1,13 @@ +/* + * Fundamental constants relating to ethernet. + * + * $Id$ + * + */ + +#define ETHER_ADDR_LEN 6 +#define ETHER_TYPE_LEN 2 +#define ETHER_CRC_LENGTH 4 +#define ETHER_HDR_SIZE (ETHER_ADDR_LEN*2+ETHER_TYPE_LEN) +#define ETHER_MIN_LEN 64 +#define ETHER_MAX_LEN 1518 |
