* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
- * @(#) $Header: /tcpdump/master/libpcap/ethertype.h,v 1.9 2000-06-29 15:44:55 itojun Exp $ (LBL)
+ * @(#) $Header: /tcpdump/master/libpcap/ethertype.h,v 1.11 2000-10-22 04:15:55 guy Exp $ (LBL)
*/
-/* Types missing from some systems */
+/*
+ * Ethernet types.
+ *
+ * We wrap the declarations with #ifdef, so that if a file includes
+ * <netinet/if_ether.h>, which may declare some of these, we don't
+ * get a bunch of complaints from the C compiler about redefinitions
+ * of these values.
+ *
+ * We declare all of them here so that no file has to include
+ * <netinet/if_ether.h> if all it needs are ETHERTYPE_ values.
+ */
+#ifndef ETHERTYPE_PUP
+#define ETHERTYPE_PUP 0x0200 /* PUP protocol */
+#endif
+#ifndef ETHERTYPE_IP
+#define ETHERTYPE_IP 0x0800 /* IP protocol */
+#endif
+#ifndef ETHERTYPE_ARP
+#define ETHERTYPE_ARP 0x0806 /* Addr. resolution protocol */
+#endif
+#ifndef ETHERTYPE_REVARP
+#define ETHERTYPE_REVARP 0x8035 /* reverse Addr. resolution protocol */
+#endif
#ifndef ETHERTYPE_NS
#define ETHERTYPE_NS 0x0600
#endif
#ifndef ETHERTYPE_IPV6
#define ETHERTYPE_IPV6 0x86dd
#endif
+#ifndef ETHERTYPE_8021Q
+#define ETHERTYPE_8021Q 0x8100
+#endif
#ifndef ETHERTYPE_LOOPBACK
#define ETHERTYPE_LOOPBACK 0x9000
#endif