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author | phk <phk@FreeBSD.org> | 1996-08-05 14:02:38 +0000 |
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committer | phk <phk@FreeBSD.org> | 1996-08-05 14:02:38 +0000 |
commit | af60566e2c884167107fba665acc571780761e4e (patch) | |
tree | 11405441077f1e5559bc981525a3baa6b9217142 /sys/net/ethernet.h | |
parent | 98e74c519aa4562e10d80e4c763f59fc61ff4c1d (diff) | |
download | FreeBSD-src-af60566e2c884167107fba665acc571780761e4e.zip FreeBSD-src-af60566e2c884167107fba665acc571780761e4e.tar.gz |
This file is the (intended) definitive source of the ETHER_ macros.
Diffstat (limited to 'sys/net/ethernet.h')
-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 |