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| author | Ondrej Zajicek <santiago@crfreenet.org> | 2015-07-18 13:38:21 +0200 |
|---|---|---|
| committer | Ondrej Zajicek <santiago@crfreenet.org> | 2015-07-18 13:38:21 +0200 |
| commit | 06e0d1b692d8a190c3f1d073c5c557d8efe78b17 (patch) | |
| tree | d1cceb163bb653bfe2b53cc642aee4d77af74f87 /proto/bgp/bgp.h | |
| parent | ab4da3423d89fb6c60a4137f19c189a8716ecab6 (diff) | |
BGP: Extended messages support
Implements draft-ietf-idr-bgp-extended-messages-10, for now
undocumented and with temporary private capability number.
Diffstat (limited to 'proto/bgp/bgp.h')
| -rw-r--r-- | proto/bgp/bgp.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/proto/bgp/bgp.h b/proto/bgp/bgp.h index b6e80fe5..274794f1 100644 --- a/proto/bgp/bgp.h +++ b/proto/bgp/bgp.h @@ -40,6 +40,7 @@ struct bgp_config { int capabilities; /* Enable capability handshake [RFC3392] */ int enable_refresh; /* Enable local support for route refresh [RFC2918] */ int enable_as4; /* Enable local support for 4B AS numbers [RFC4893] */ + int enable_extended_messages; /* Enable local support for extended messages [draft] */ u32 rr_cluster_id; /* Route reflector cluster ID, if different from local ID */ int rr_client; /* Whether neighbor is RR client of me */ int rs_client; /* Whether neighbor is RS client of me */ @@ -109,6 +110,7 @@ struct bgp_conn { u16 peer_gr_time; u8 peer_gr_flags; u8 peer_gr_aflags; + u8 peer_ext_messages_support; /* Peer supports extended message length [draft] */ unsigned hold_time, keepalive_time; /* Times calculated from my and neighbor's requirements */ }; @@ -121,6 +123,7 @@ struct bgp_proto { u8 as4_session; /* Session uses 4B AS numbers in AS_PATH (both sides support it) */ u8 add_path_rx; /* Session expects receive of ADD-PATH extended NLRI */ u8 add_path_tx; /* Session expects transmit of ADD-PATH extended NLRI */ + u8 ext_messages; /* Session allows to use extended messages (both sides support it) */ u32 local_id; /* BGP identifier of this router */ u32 remote_id; /* BGP identifier of the neighbor */ u32 rr_cluster_id; /* Route reflector cluster ID */ @@ -180,9 +183,15 @@ struct bgp_bucket { #define BGP_PORT 179 #define BGP_VERSION 4 #define BGP_HEADER_LENGTH 19 -#define BGP_MAX_PACKET_LENGTH 4096 +#define BGP_MAX_MESSAGE_LENGTH 4096 +#define BGP_MAX_EXT_MSG_LENGTH 65535 #define BGP_RX_BUFFER_SIZE 4096 -#define BGP_TX_BUFFER_SIZE BGP_MAX_PACKET_LENGTH +#define BGP_TX_BUFFER_SIZE 4096 +#define BGP_RX_BUFFER_EXT_SIZE 65535 +#define BGP_TX_BUFFER_EXT_SIZE 65535 + +static inline int bgp_max_packet_length(struct bgp_proto *p) +{ return p->ext_messages ? BGP_MAX_EXT_MSG_LENGTH : BGP_MAX_MESSAGE_LENGTH; } extern struct linpool *bgp_linpool; |