From 11cb620266035ffbe17b21c4a174380cb8b6a521 Mon Sep 17 00:00:00 2001 From: Ondrej Zajicek Date: Sun, 26 Oct 2008 22:36:08 +0100 Subject: Implementation of 4B ASN support for BGP --- proto/bgp/bgp.h | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'proto/bgp/bgp.h') diff --git a/proto/bgp/bgp.h b/proto/bgp/bgp.h index 6519db8..aa1bd10 100644 --- a/proto/bgp/bgp.h +++ b/proto/bgp/bgp.h @@ -16,7 +16,7 @@ struct eattr; struct bgp_config { struct proto_config c; - unsigned int local_as, remote_as; + u32 local_as, remote_as; ip_addr remote_ip; int multihop; /* Number of hops if multihop */ ip_addr multihop_via; /* Multihop: address to route to */ @@ -47,14 +47,16 @@ struct bgp_conn { byte *notify_data; int error_flag; /* Error state, ignore all input */ int primary; /* This connection is primary */ + u32 advertised_as; /* Temporary value for AS number received */ unsigned hold_time, keepalive_time; /* Times calculated from my and neighbor's requirements */ }; struct bgp_proto { struct proto p; struct bgp_config *cf; /* Shortcut to BGP configuration */ - unsigned local_as, remote_as; + u32 local_as, remote_as; int is_internal; /* Internal BGP connection (local_as == remote_as) */ + int as4_support; /* Peer supports 4B AS numbers [RFC4893] */ u32 local_id; /* BGP identifier of this router */ u32 remote_id; /* BGP identifier of the neighbor */ struct bgp_conn *conn; /* Connection we have established */ @@ -100,6 +102,9 @@ struct bgp_bucket { extern struct linpool *bgp_linpool; +extern int bgp_as4_support; + + void bgp_start_timer(struct timer *t, int value); void bgp_check(struct bgp_config *c); void bgp_error(struct bgp_conn *c, unsigned code, unsigned subcode, byte *data, int len); @@ -122,7 +127,7 @@ int bgp_rte_better(struct rte *, struct rte *); void bgp_rt_notify(struct proto *, struct network *, struct rte *, struct rte *, struct ea_list *); int bgp_import_control(struct proto *, struct rte **, struct ea_list **, struct linpool *); void bgp_attr_init(struct bgp_proto *); -unsigned int bgp_encode_attrs(byte *w, struct ea_list *attrs, int remains); +unsigned int bgp_encode_attrs(struct bgp_proto *p, byte *w, ea_list *attrs, int remains); void bgp_free_bucket(struct bgp_proto *p, struct bgp_bucket *buck); void bgp_get_route_info(struct rte *, byte *buf, struct ea_list *attrs); @@ -165,6 +170,8 @@ void bgp_log_error(struct bgp_proto *p, char *msg, unsigned code, unsigned subco #define BA_MP_REACH_NLRI 0x0e /* [RFC2283] */ #define BA_MP_UNREACH_NLRI 0x0f #define BA_EXTENDED_COMM 0x10 /* draft-ramachandra-bgp-ext-communities */ +#define BA_AS4_PATH 0x11 /* [RFC4893] */ +#define BA_AS4_AGGREGATOR 0x12 /* BGP states */ -- cgit v1.2.3