diff options
Diffstat (limited to 'proto/bgp/bgp.h')
| -rw-r--r-- | proto/bgp/bgp.h | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/proto/bgp/bgp.h b/proto/bgp/bgp.h index 81382099..0cd327a2 100644 --- a/proto/bgp/bgp.h +++ b/proto/bgp/bgp.h @@ -113,6 +113,8 @@ struct bgp_config { int gr_mode; /* Graceful restart mode (BGP_GR_*) */ int llgr_mode; /* Long-lived graceful restart mode (BGP_LLGR_*) */ int setkey; /* Set MD5 password to system SA/SP database */ + u8 local_role; /* Set peering role with neighbor [RFC 9234] */ + int require_roles; /* Require configured roles on both sides */ /* Times below are in seconds */ unsigned gr_time; /* Graceful restart timeout */ unsigned llgr_time; /* Long-lived graceful restart stale time */ @@ -166,6 +168,13 @@ struct bgp_channel_config { #define BGP_PT_INTERNAL 1 #define BGP_PT_EXTERNAL 2 +#define BGP_ROLE_UNDEFINED 255 +#define BGP_ROLE_PROVIDER 0 +#define BGP_ROLE_RS_SERVER 1 +#define BGP_ROLE_RS_CLIENT 2 +#define BGP_ROLE_CUSTOMER 3 +#define BGP_ROLE_PEER 4 + #define NH_NO 0 #define NH_ALL 1 #define NH_IBGP 2 @@ -226,6 +235,7 @@ struct bgp_caps { u8 ext_messages; /* Extended message length, RFC draft */ u8 route_refresh; /* Route refresh capability, RFC 2918 */ u8 enhanced_refresh; /* Enhanced route refresh, RFC 7313 */ + u8 role; /* BGP role capability, RFC 9234 */ u8 gr_aware; /* Graceful restart capability, RFC 4724 */ u8 gr_flags; /* Graceful restart flags */ @@ -351,14 +361,8 @@ struct bgp_channel { /* Rest are zeroed when down */ pool *pool; - HASH(struct bgp_bucket) bucket_hash; /* Hash table of route buckets */ - struct bgp_bucket *withdraw_bucket; /* Withdrawn routes */ - list bucket_queue; /* Queue of buckets to send (struct bgp_bucket) */ - - HASH(struct bgp_prefix) prefix_hash; /* Prefixes to be sent */ - slab *prefix_slab; /* Slab holding prefix nodes */ - - struct rt_exporter prefix_exporter; /* Table-like exporter for prefix_hash */ + struct bgp_pending_tx *ptx; /* Routes waiting to be sent */ + struct rt_exporter prefix_exporter; /* Table-like exporter for ptx */ ip_addr next_hop_addr; /* Local address for NEXT_HOP attribute */ ip_addr link_addr; /* Link-local version of next_hop_addr */ @@ -401,6 +405,18 @@ struct bgp_bucket { ea_list eattrs[0]; /* Per-bucket extended attributes */ }; +struct bgp_pending_tx { + resource r; + pool *pool; + + HASH(struct bgp_bucket) bucket_hash; /* Hash table of route buckets */ + struct bgp_bucket *withdraw_bucket; /* Withdrawn routes */ + list bucket_queue; /* Queue of buckets to send (struct bgp_bucket) */ + + HASH(struct bgp_prefix) prefix_hash; /* Prefixes to be sent */ + slab *prefix_slab; /* Slab holding prefix nodes */ +}; + struct bgp_export_state { struct bgp_proto *proto; struct bgp_channel *channel; @@ -494,6 +510,12 @@ static inline int bgp_cc_is_ipv4(struct bgp_channel_config *c) static inline int bgp_cc_is_ipv6(struct bgp_channel_config *c) { return BGP_AFI(c->afi) == BGP_AFI_IPV6; } +static inline int bgp_channel_is_role_applicable(struct bgp_channel *c) +{ return (c->afi == BGP_AF_IPV4 || c->afi == BGP_AF_IPV6); } + +static inline int bgp_cc_is_role_applicable(struct bgp_channel_config *c) +{ return (c->afi == BGP_AF_IPV4 || c->afi == BGP_AF_IPV6); } + static inline uint bgp_max_packet_length(struct bgp_conn *conn) { return conn->ext_messages ? BGP_MAX_EXT_MSG_LENGTH : BGP_MAX_MESSAGE_LENGTH; } @@ -567,13 +589,12 @@ void bgp_finish_attrs(struct bgp_parse_state *s, ea_list **to); void bgp_setup_out_table(struct bgp_channel *c); -void bgp_init_bucket_table(struct bgp_channel *c); -void bgp_free_bucket_table(struct bgp_channel *c); +void bgp_init_pending_tx(struct bgp_channel *c); +void bgp_free_pending_tx(struct bgp_channel *c); + void bgp_withdraw_bucket(struct bgp_channel *c, struct bgp_bucket *b); int bgp_done_bucket(struct bgp_channel *c, struct bgp_bucket *b); -void bgp_init_prefix_table(struct bgp_channel *c); -void bgp_free_prefix_table(struct bgp_channel *c); void bgp_done_prefix(struct bgp_channel *c, struct bgp_prefix *px, struct bgp_bucket *buck); int bgp_rte_better(struct rte *, struct rte *); @@ -662,6 +683,7 @@ enum bgp_attr_id { BA_AS4_AGGREGATOR = 0x12, /* RFC 6793 */ BA_AIGP = 0x1a, /* RFC 7311 */ BA_LARGE_COMMUNITY = 0x20, /* RFC 8092 */ +#define BA_ONLY_TO_CUSTOMER 0x23 /* RFC 9234 */ /* Bird's private internal BGP attributes */ BA_MPLS_LABEL_STACK = 0x100, /* MPLS label stack transfer attribute */ |