X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/fb75d3cd5ad603bd255d9cdc20aeca674c6f3720..25d016f61a3b38e9c048090980c6921b30d047f3:/ether.h

diff --git a/ether.h b/ether.h
index c68f25c0..cd407db2 100644
--- a/ether.h
+++ b/ether.h
@@ -1,4 +1,3 @@
-/* @(#) $Header: /tcpdump/master/tcpdump/ether.h,v 1.4 2000-10-03 02:54:55 itojun Exp $ (LBL) */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -42,17 +41,18 @@
 #define	ETHER_ADDR_LEN		6
 
 /*
- * Ethernet address - 6 octets
- */
-struct ether_addr {
-	u_int8_t	ether_addr_octet[ETHER_ADDR_LEN];
-};
-
-/*
- * Structure of a 10Mb/s Ethernet header.
+ * Structure of a DEC/Intel/Xerox or 802.3 Ethernet header.
  */
 struct	ether_header {
 	u_int8_t	ether_dhost[ETHER_ADDR_LEN];
 	u_int8_t	ether_shost[ETHER_ADDR_LEN];
 	u_int16_t	ether_type;
 };
+
+/*
+ * Length of a DEC/Intel/Xerox or 802.3 Ethernet header; note that some
+ * compilers may pad "struct ether_header" to a multiple of 4 bytes,
+ * for example, so "sizeof (struct ether_header)" may not give the right
+ * answer.
+ */
+#define ETHER_HDRLEN		14