diff options
Diffstat (limited to 'proto/bgp/bgp.h')
| -rw-r--r-- | proto/bgp/bgp.h | 74 |
1 files changed, 69 insertions, 5 deletions
diff --git a/proto/bgp/bgp.h b/proto/bgp/bgp.h index 2e352be..8e2e8df 100644 --- a/proto/bgp/bgp.h +++ b/proto/bgp/bgp.h @@ -14,18 +14,82 @@ struct bgp_config { unsigned int local_as, remote_as; ip_addr remote_ip; int multihop; /* Number of hops if multihop */ + int connect_retry_time; + int hold_time; + int keepalive_time; +}; + +struct bgp_conn { + struct bgp_proto *bgp; + struct birdsock *sk; + int state; /* State of connection state machine */ + struct timer *connect_retry_timer; + struct timer *hold_timer; + struct timer *keepalive_timer; }; struct bgp_proto { struct proto p; + struct bgp_config *cf; /* Shortcut to BGP configuration */ + node bgp_node; /* Node in global BGP protocol list */ + int local_as, remote_as; + int is_internal; /* Internal BGP connection (local_as == remote_as) */ + u32 local_id; /* BGP identifier of this router */ + u32 remote_id; /* BGP identifier of the neighbor */ + int hold_time; /* Hold time calculated from my and neighbor's requirements */ + struct bgp_conn conn; /* Our primary connection */ + struct bgp_conn incoming_conn; /* Incoming connection we have neither accepted nor rejected yet */ + struct object_lock *lock; /* Lock for neighbor connection */ }; -struct bgp_route { -}; - -struct bgp_attrs { -}; +#define BGP_PORT 179 +#define BGP_RX_BUFFER_SIZE 4096 void bgp_check(struct bgp_config *c); +/* attrs.c */ + +/* packets.c */ + +/* Packet types */ + +#define PKT_OPEN 0x01 +#define PKT_UPDATE 0x02 +#define PKT_NOTIFICATION 0x03 +#define PKT_KEEPALIVE 0x04 + +/* Attributes */ + +#define BAF_OPTIONAL 0x80 +#define BAF_TRANSITIVE 0x40 +#define BAF_PARTIAL 0x20 +#define BAF_EXT_LEN 0x10 + +#define BA_ORIGIN 0x01 /* [RFC1771] */ /* WM */ +#define BA_AS_PATH 0x02 /* WM */ +#define BA_NEXT_HOP 0x03 /* WM */ +#define BA_MULTI_EXIT_DISC 0x04 /* ON */ +#define BA_LOCAL_PREF 0x05 /* WM */ +#define BA_ATOMIC_AGGR 0x06 /* WD */ +#define BA_AGGREGATOR 0x07 /* OT */ +#define BA_COMMUNITY 0x08 /* [RFC1997] */ /* OT */ +#define BA_ORIGINATOR_ID 0x09 /* [RFC1966] */ /* ON */ +#define BA_CLUSTER_LIST 0x0a /* ON */ +/* We don't support these: */ +#define BA_DPA 0x0b /* ??? */ +#define BA_ADVERTISER 0x0c /* [RFC1863] */ +#define BA_RCID_PATH 0x0d +#define BA_MP_REACH_NLRI 0x0e /* [RFC2283] */ +#define BA_MP_UNREACH_NLRI 0x0f +#define BA_EXTENDED_COMM 0x10 /* draft-ramachandra-bgp-ext-communities */ + +/* BGP states */ + +#define BS_IDLE 0 +#define BS_CONNECT 1 /* Attempting to connect */ +#define BS_ACTIVE 2 /* Waiting for connection retry & listening */ +#define BS_OPENSENT 3 +#define BS_OPENCONFIRM 4 +#define BS_ESTABLISHED 5 + #endif |