/* packet-bgp.c
* Definitions for BGP packet disassembly structures and routine
*
- * $Id: packet-bgp.h,v 1.9 2000/04/11 14:21:37 itojun Exp $
+ * $Id: packet-bgp.h,v 1.16 2001/11/03 21:25:12 guy Exp $
*
* Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@zing.org>
+ * By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
#define BGP_MIN_UPDATE_MSG_SIZE 23
#define BGP_MIN_NOTIFICATION_MSG_SIZE 21
#define BGP_MIN_KEEPALVE_MSG_SIZE BGP_HEADER_SIZE
+#define BGP_TCP_PORT 179
/* BGP message types */
#define BGP_OPEN 1
#define BGP_UPDATE 2
#define BGP_NOTIFICATION 3
#define BGP_KEEPALIVE 4
+#define BGP_ROUTE_REFRESH 5
+#define BGP_ROUTE_REFRESH_CISCO 0x80
/* BGP header */
struct bgp {
/* data should follow */
};
+/* BGP ROUTE-REFRESH message */
+struct bgp_route_refresh {
+ guint8 bgpr_marker[BGP_MARKER_SIZE];
+ guint16 bgpr_len;
+ guint8 bgpr_type;
+ guint16 bgpr_afi;
+ guint8 bgpr_reserved;
+ guint8 bgpr_safi;
+};
+
/* path attribute */
struct bgp_attr {
guint8 bgpa_flags;
/* AS_PATH segment types */
#define AS_SET 1 /* RFC1771 */
#define AS_SEQUENCE 2 /* RFC1771 */
-/* This is wrong according to the RFC... in the Zebra code they say that
- cisco reversed it. Packet traces seem to agree. */
-#define AS_CONFED_SET 4 /* RFC1965 */
-#define AS_CONFED_SEQUENCE 3 /* RFC1965 */
+#define AS_CONFED_SET 4 /* RFC1965 has the wrong values, corrected in */
+#define AS_CONFED_SEQUENCE 3 /* draft-ietf-idr-bgp-confed-rfc1965bis-01.txt */
+
+/* OPEN message Optional Parameter types */
+#define BGP_OPTION_AUTHENTICATION 1 /* RFC1771 */
+#define BGP_OPTION_CAPABILITY 2 /* RFC2842 */
+
+/* BGP capability code */
+#define BGP_CAPABILITY_RESERVED 0 /* RFC2434 */
+#define BGP_CAPABILITY_MULTIPROTOCOL 1 /* RFC2858 */
+#define BGP_CAPABILITY_ROUTE_REFRESH 2 /* RFC2918 */
+#define BGP_CAPABILITY_COOPERATIVE_ROUTE_FILTERING 3 /* draft-ietf-idr-route-filter-04.txt */
+#define BGP_CAPABILITY_ROUTE_REFRESH_CISCO 0x80 /* Cisco */
+
/* well-known communities, from RFC1997 */
#define BGP_COMM_NO_EXPORT 0xFFFFFF01
#define BGPTYPE_ATOMIC_AGGREGATE 6 /* RFC1771 */
#define BGPTYPE_AGGREGATOR 7 /* RFC1771 */
#define BGPTYPE_COMMUNITIES 8 /* RFC1997 */
-#define BGPTYPE_ORIGINATOR_ID 9 /* RFC1966 */
-#define BGPTYPE_CLUSTER_LIST 10 /* RFC1966 */
+#define BGPTYPE_ORIGINATOR_ID 9 /* RFC2796 */
+#define BGPTYPE_CLUSTER_LIST 10 /* RFC2796 */
#define BGPTYPE_DPA 11 /* work in progress */
#define BGPTYPE_ADVERTISER 12 /* RFC1863 */
#define BGPTYPE_RCID_PATH 13 /* RFC1863 */
-#define BGPTYPE_MP_REACH_NLRI 14 /* RFC2283 */
-#define BGPTYPE_MP_UNREACH_NLRI 15 /* RFC2283 */
-
-/* RFC1700 address family numbers */
-#define AFNUM_INET 1
-#define AFNUM_INET6 2
-#define AFNUM_NSAP 3
-#define AFNUM_HDLC 4
-#define AFNUM_BBN1822 5
-#define AFNUM_802 6
-#define AFNUM_E163 7
-#define AFNUM_E164 8
-#define AFNUM_F69 9
-#define AFNUM_X121 10
-#define AFNUM_IPX 11
-#define AFNUM_ATALK 12
-#define AFNUM_DECNET 13
-#define AFNUM_BANYAN 14
-#define AFNUM_E164NSAP 15
-
-#define CHECK_SIZE(x, s, l) \
-do { \
- if ((x) + (s) > (l)) \
- return; \
-} while (0)
+#define BGPTYPE_MP_REACH_NLRI 14 /* RFC2858 */
+#define BGPTYPE_MP_UNREACH_NLRI 15 /* RFC2858 */
+#define BGPTYPE_EXTENDED_COMMUNITY 16 /* Draft Ramachandra */
+
+/* Extended community type */
+ /* draft-ramachandra-bgp-ext-communities */
+#define BGP_EXT_COM_RT_0 0x0002 /* Route Target,Format AS(2bytes):AN(4bytes) */
+#define BGP_EXT_COM_RT_1 0x0102 /* Route Target,Format IP address:AN(2bytes) */
+#define BGP_EXT_COM_RO_0 0x0003 /* Route Origin,Format AS(2bytes):AN(4bytes) */
+#define BGP_EXT_COM_RO_1 0x0103 /* Route Origin,Format IP address:AN(2bytes) */
+#define BGP_EXT_COM_LINKBAND 0x4004 /* Link Bandwidth,Format AS(2B):Bandwidth(4B) */
+ /* rfc2547 bgp-mpls-vpns */
+#define BGP_EXT_COM_VPN_ORIGIN 0x0005 /* OSPF Domin ID / VPN of Origin */
+ /* draft-rosen-vpns-ospf-bgp-mpls */
+#define BGP_EXT_COM_OSPF_RTYPE 0X8000 /* OSPF Route Type,Format Area(4B):RouteType(1B):Options(1B) */
+#define BGP_EXT_COM_OSPF_RID 0x8001 /* OSPF Router ID,Format RouterID(4B):Unused(2B) */
+
+
+/* OSPF codes for BGP_EXT_COM_OSPF_RTYPE draft-rosen-vpns-ospf-bgp-mpls */
+#define BGP_OSPF_RTYPE_RTR 1 /* OSPF Router LSA */
+#define BGP_OSPF_RTYPE_NET 2 /* OSPF Network LSA */
+#define BGP_OSPF_RTYPE_SUM 3 /* OSPF Summary LSA */
+#define BGP_OSPF_RTYPE_EXT 5 /* OSPF External LSA, note that ASBR doesn't apply to MPLS-VPN */
+#define BGP_OSPF_RTYPE_NSSA 7 /* OSPF NSSA External*/
+#define BGP_OSPF_RTYPE_SHAM 129 /* OSPF-MPLS-VPN Sham link */
+#define BGP_OSPF_RTYPE_METRIC_TYPE 0x1 /* LSB of RTYPE Options Field */
+
+/* Extended community & Route dinstinguisher formats */
+#define FORMAT_AS2_LOC 0x00 /* Format AS(2bytes):AN(4bytes) */
+#define FORMAT_IP_LOC 0x01 /* Format IP address:AN(2bytes) */
+#define FORMAT_AS4_LOC 0x02 /* FOrmat AS(4bytes):AN(2bytes) */
+
+/* RFC 2858 subsequent address family numbers */
+#define SAFNUM_UNICAST 1
+#define SAFNUM_MULCAST 2
+#define SAFNUM_UNIMULC 3
+#define SAFNUM_MPLS_LABEL 4 /* rfc3107 */
+#define SAFNUM_LBVPNIP 128 /* Draft-rosen-rfc2547bis-03 */
#ifndef offsetof
#define offsetof(type, member) ((size_t)(&((type *)0)->member))
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