* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/*
+ * Maximum length of the length field in an Ethernet header; any value
+ * greater than this is not a length value, so it's either an Ethernet
+ * type or an invalid value.
+ */
+#define MAX_ETHERNET_LENGTH_VAL 1500
+
+/*
+ * 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.
*
- * @(#) $Header: /tcpdump/master/tcpdump/ethertype.h,v 1.7 1999-11-21 03:42:52 assar Exp $ (LBL)
+ * We declare all of them here so that no file has to include
+ * <netinet/if_ether.h> if all it needs are ETHERTYPE_ values.
*/
-/* Types missing from some systems */
+#ifndef ETHERTYPE_LEN
+#define ETHERTYPE_LEN 2
+#endif
+#ifndef ETHERTYPE_GRE_ISO
+#define ETHERTYPE_GRE_ISO 0x00FE /* not really an ethertype only used in GRE */
+#endif
+#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_SCA
#define ETHERTYPE_SCA 0x6007
#endif
-#ifndef ETHERTYPE_8021Q
-#define ETHERTYPE_8021Q 0x8001
-#endif
-#ifndef ETHERTYPE_REVARP
-#define ETHERTYPE_REVARP 0x8035
+#ifndef ETHERTYPE_TEB
+#define ETHERTYPE_TEB 0x6558
#endif
#ifndef ETHERTYPE_LANBRIDGE
#define ETHERTYPE_LANBRIDGE 0x8038
#ifndef ETHERTYPE_AARP
#define ETHERTYPE_AARP 0x80f3
#endif
-#ifndef ETHERTYPE_LOOPBACK
-#define ETHERTYPE_LOOPBACK 0x9000
+#ifndef ETHERTYPE_TIPC
+#define ETHERTYPE_TIPC 0x88ca
+#endif
+#ifndef ETHERTYPE_8021Q
+#define ETHERTYPE_8021Q 0x8100
+#endif
+
+/* see:
+ https://en.wikipedia.org/wiki/IEEE_802.1Q
+ and https://en.wikipedia.org/wiki/QinQ
+*/
+#ifndef ETHERTYPE_8021Q9100
+#define ETHERTYPE_8021Q9100 0x9100
+#endif
+#ifndef ETHERTYPE_8021Q9200
+#define ETHERTYPE_8021Q9200 0x9200
+#endif
+#ifndef ETHERTYPE_8021QinQ
+#define ETHERTYPE_8021QinQ 0x88a8
+#endif
+#ifndef ETHERTYPE_MACSEC
+#define ETHERTYPE_MACSEC 0x88e5
+#endif
+#ifndef ETHERTYPE_IPX
+#define ETHERTYPE_IPX 0x8137
+#endif
+#ifndef ETHERTYPE_IPV6
+#define ETHERTYPE_IPV6 0x86dd
+#endif
+#ifndef ETHERTYPE_PPP
+#define ETHERTYPE_PPP 0x880b
+#endif
+#ifndef ETHERTYPE_MPCP
+#define ETHERTYPE_MPCP 0x8808
+#endif
+#ifndef ETHERTYPE_SLOW
+#define ETHERTYPE_SLOW 0x8809
+#endif
+#ifndef ETHERTYPE_MPLS
+#define ETHERTYPE_MPLS 0x8847
+#endif
+#ifndef ETHERTYPE_MPLS_MULTI
+#define ETHERTYPE_MPLS_MULTI 0x8848
#endif
#ifndef ETHERTYPE_PPPOED
#define ETHERTYPE_PPPOED 0x8863
#ifndef ETHERTYPE_PPPOES
#define ETHERTYPE_PPPOES 0x8864
#endif
+#ifndef ETHERTYPE_NSH
+#define ETHERTYPE_NSH 0x894F
+#endif
+#ifndef ETHERTYPE_PPPOED2
+#define ETHERTYPE_PPPOED2 0x3c12
+#endif
+#ifndef ETHERTYPE_PPPOES2
+#define ETHERTYPE_PPPOES2 0x3c13
+#endif
+#ifndef ETHERTYPE_MS_NLB_HB
+#define ETHERTYPE_MS_NLB_HB 0x886f /* MS Network Load Balancing Heartbeat */
+#endif
+#ifndef ETHERTYPE_JUMBO
+#define ETHERTYPE_JUMBO 0x8870
+#endif
+#ifndef ETHERTYPE_LLDP
+#define ETHERTYPE_LLDP 0x88cc
+#endif
+#ifndef ETHERTYPE_EAPOL
+#define ETHERTYPE_EAPOL 0x888e
+#endif
+#ifndef ETHERTYPE_REALTEK
+#define ETHERTYPE_REALTEK 0x8899 /* Realtek layer 2 protocols and switch tags */
+#endif
+#ifndef ETHERTYPE_AOE
+#define ETHERTYPE_AOE 0x88a2
+#endif
+#ifndef ETHERTYPE_PTP
+#define ETHERTYPE_PTP 0x88f7
+#endif
+#ifndef ETHERTYPE_LOOPBACK
+#define ETHERTYPE_LOOPBACK 0x9000
+#endif
+#ifndef ETHERTYPE_VMAN
+#define ETHERTYPE_VMAN 0x9100 /* Extreme VMAN Protocol */
+#endif
+#ifndef ETHERTYPE_CFM_OLD
+#define ETHERTYPE_CFM_OLD 0xabcd /* 802.1ag depreciated */
+#endif
+#ifndef ETHERTYPE_CFM
+#define ETHERTYPE_CFM 0x8902 /* 802.1ag */
+#endif
+#ifndef ETHERTYPE_IEEE1905_1
+#define ETHERTYPE_IEEE1905_1 0x893a /* IEEE 1905.1 */
+#endif
+#ifndef ETHERTYPE_ISO
+#define ETHERTYPE_ISO 0xfefe /* nonstandard - used in Cisco HDLC encapsulation */
+#endif
+#ifndef ETHERTYPE_CALM_FAST
+#define ETHERTYPE_CALM_FAST 0x1111 /* ISO CALM FAST */
+#endif
+#ifndef ETHERTYPE_GEONET_OLD
+#define ETHERTYPE_GEONET_OLD 0x0707 /* ETSI GeoNetworking (before Jan 2013) */
+#endif
+#ifndef ETHERTYPE_GEONET
+#define ETHERTYPE_GEONET 0x8947 /* ETSI GeoNetworking (Official IEEE registration from Jan 2013) */
+#endif
+#ifndef ETHERTYPE_ARISTA
+#define ETHERTYPE_ARISTA 0xd28b /* Arista Networks vendor specific EtherType */
+#endif
+
+extern const struct tok ethertype_values[];