X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/eb3a6cd62dc3b83c68ad174d4c439f5bbaa902e1..a673137370f7af8d762f85a4e97d673c38e62b3a:/bgp.h diff --git a/bgp.h b/bgp.h index d5c8b8a..0a2e59c 100644 --- a/bgp.h +++ b/bgp.h @@ -1,5 +1,5 @@ /* BGPv4 (RFC1771) */ -/* $Id: bgp.h,v 1.2 2004/06/28 02:43:13 fred_nerk Exp $ */ +/* $Id: bgp.h,v 1.5 2005/06/04 15:42:35 bodea Exp $ */ #ifndef __BGP_H__ #define __BGP_H__ @@ -7,6 +7,7 @@ #define BGP_MAX_PACKET_SIZE 4096 #define BGP_HOLD_TIME 180 /* seconds before peer times us out */ #define BGP_KEEPALIVE_TIME 60 /* seconds between messages */ +#define BGP_STATE_TIME 60 /* state transition timeout in seconds */ #define BGP_MAX_RETRY 42 /* maximum number of times to retry */ #define BGP_RETRY_BACKOFF 60 /* number of seconds between retries, cumulative */ @@ -16,8 +17,8 @@ struct bgp_header { char marker[16]; - u16 len; - u8 type; + uint16_t len; + uint8_t type; } __attribute__ ((packed)); /* bgp_header.type */ @@ -32,33 +33,33 @@ struct bgp_packet { } __attribute__ ((packed)); struct bgp_data_open { - u8 version; + uint8_t version; #define BGP_VERSION 4 - u16 as; - u16 hold_time; - u32 identifier; - u8 opt_len; + uint16_t as; + uint16_t hold_time; + uint32_t identifier; + uint8_t opt_len; #define BGP_DATA_OPEN_SIZE 10 /* size of struct excluding opt_params */ char opt_params[sizeof(((struct bgp_packet *)0)->data) - BGP_DATA_OPEN_SIZE]; /* variable */ } __attribute__ ((packed)); struct bgp_ip_prefix { - u8 len; - u32 prefix; /* variable */ + uint8_t len; + uint32_t prefix; /* variable */ } __attribute__ ((packed)); #define BGP_IP_PREFIX_SIZE(p) (1 + ((p).len / 8) + ((p).len % 8 != 0)) struct bgp_path_attr { - u8 flags; - u8 code; + uint8_t flags; + uint8_t code; union { struct { - u8 len; + uint8_t len; char value[29]; /* semi-random size, adequate for l2tpns */ } __attribute__ ((packed)) s; /* short */ struct { - u16 len; + uint16_t len; char value[28]; } __attribute__ ((packed)) e; /* extended */ } data; /* variable */ @@ -94,8 +95,8 @@ struct bgp_path_attr { #define BGP_COMMUNITY_NO_EXPORT_SUBCONFED 0xffffff03 /* don't advertise to any other AS */ struct bgp_data_notification { - u8 error_code; - u8 error_subcode; + uint8_t error_code; + uint8_t error_subcode; char data[sizeof(((struct bgp_packet *)0)->data) - 2]; /* variable */ } __attribute__ ((packed)); @@ -159,7 +160,10 @@ struct bgp_peer { time_t keepalive_time; /* time to send next keepalive */ time_t retry_time; /* time for connection retry */ int retry_count; /* connection retry count */ - int hold; /* hold time from peer */ + int init_keepalive; /* initial keepalive time */ + int init_hold; /* initial hold time */ + int keepalive; /* negotiated keepalive time */ + int hold; /* negotiated hold time */ time_t expire_time; /* time next peer packet expected */ int routing; /* propagate routes */ int update_routes; /* UPDATE required */ @@ -169,6 +173,8 @@ struct bgp_peer { int cli_flag; /* updates requested from CLI */ char *path_attrs; /* path attrs to send in UPDATE message */ int path_attr_len; /* length of path attrs */ + uint32_t events; /* events to poll */ + struct event_data edata; /* poll data */ }; /* bgp_peer.cli_flag */ @@ -176,28 +182,23 @@ struct bgp_peer { #define BGP_CLI_ENABLE 2 #define BGP_CLI_RESTART 3 -#define BGP_NUM_PEERS 2 extern struct bgp_peer *bgp_peers; -extern struct bgp_route_list *bgp_routes; extern int bgp_configured; /* actions */ int bgp_setup(int as); -int bgp_start(struct bgp_peer *peer, char *name, int as, int enable); +int bgp_start(struct bgp_peer *peer, char *name, int as, int keepalive, + int hold, int enable); + void bgp_stop(struct bgp_peer *peer); void bgp_halt(struct bgp_peer *peer); int bgp_restart(struct bgp_peer *peer); int bgp_add_route(in_addr_t ip, in_addr_t mask); int bgp_del_route(in_addr_t ip, in_addr_t mask); void bgp_enable_routing(int enable); -int bgp_select_state(struct bgp_peer *peer); -int bgp_process(struct bgp_peer *peer, int readable, int writable); - -/* CLI */ -int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc); +int bgp_set_poll(void); +int bgp_process(uint32_t events[]); +char const *bgp_state_str(enum bgp_state state); extern char const *cvs_id_bgp;