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https://gitlab.nic.cz/labs/bird.git
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f4a60a9bc4
The patch adds support for channels, structures connecting protocols and tables and handling most interactions between them. The documentation is missing yet.
162 lines
7.8 KiB
Plaintext
162 lines
7.8 KiB
Plaintext
/*
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* BIRD -- Border Gateway Protocol Configuration
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*
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* (c) 2000 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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CF_HDR
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#include "proto/bgp/bgp.h"
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CF_DEFINES
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#define BGP_CFG ((struct bgp_config *) this_proto)
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CF_DECLS
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CF_KEYWORDS(BGP, LOCAL, NEIGHBOR, AS, HOLD, TIME, CONNECT, RETRY,
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KEEPALIVE, MULTIHOP, STARTUP, VIA, NEXT, HOP, SELF, DEFAULT,
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PATH, METRIC, ERROR, START, DELAY, FORGET, WAIT, ENABLE,
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DISABLE, AFTER, BGP_PATH, BGP_LOCAL_PREF, BGP_MED, BGP_ORIGIN,
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BGP_NEXT_HOP, BGP_ATOMIC_AGGR, BGP_AGGREGATOR, BGP_COMMUNITY,
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BGP_EXT_COMMUNITY, SOURCE, ADDRESS, PASSWORD, RR, RS, CLIENT,
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CLUSTER, ID, AS4, ADVERTISE, IPV4, CAPABILITIES, LIMIT, PASSIVE,
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PREFER, OLDER, MISSING, LLADDR, DROP, IGNORE, ROUTE, REFRESH,
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INTERPRET, COMMUNITIES, BGP_ORIGINATOR_ID, BGP_CLUSTER_LIST, IGP,
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TABLE, GATEWAY, DIRECT, RECURSIVE, MED, TTL, SECURITY, DETERMINISTIC,
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SECONDARY, ALLOW, BFD, ADD, PATHS, RX, TX, GRACEFUL, RESTART, AWARE,
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CHECK, LINK, PORT, EXTENDED, MESSAGES)
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CF_GRAMMAR
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CF_ADDTO(proto, bgp_proto '}' { bgp_check_config(BGP_CFG); } )
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bgp_proto_start: proto_start BGP {
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this_proto = proto_config_new(&proto_bgp, $1);
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BGP_CFG->remote_port = BGP_PORT;
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BGP_CFG->multihop = -1; /* undefined */
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BGP_CFG->hold_time = 240;
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BGP_CFG->initial_hold_time = 240;
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BGP_CFG->compare_path_lengths = 1;
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BGP_CFG->igp_metric = 1;
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BGP_CFG->connect_delay_time = 5;
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BGP_CFG->connect_retry_time = 120;
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BGP_CFG->error_amnesia_time = 300;
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BGP_CFG->error_delay_time_min = 60;
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BGP_CFG->error_delay_time_max = 300;
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BGP_CFG->enable_refresh = 1;
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BGP_CFG->enable_as4 = 1;
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BGP_CFG->capabilities = 2;
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BGP_CFG->advertise_ipv4 = 1;
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BGP_CFG->interpret_communities = 1;
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BGP_CFG->default_local_pref = 100;
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BGP_CFG->gr_mode = BGP_GR_AWARE;
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BGP_CFG->gr_time = 120;
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}
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;
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bgp_nbr_opts:
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/* empty */
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| bgp_nbr_opts PORT expr { BGP_CFG->remote_port = $3; if (($3<1) || ($3>65535)) cf_error("Invalid port number"); }
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| bgp_nbr_opts AS expr { BGP_CFG->remote_as = $3; }
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;
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bgp_proto:
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bgp_proto_start proto_name '{'
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| bgp_proto proto_item ';'
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| bgp_proto LOCAL AS expr ';' { BGP_CFG->local_as = $4; }
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| bgp_proto LOCAL ipa AS expr ';' { BGP_CFG->source_addr = $3; BGP_CFG->local_as = $5; }
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| bgp_proto NEIGHBOR bgp_nbr_opts ';'
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| bgp_proto NEIGHBOR ipa ipa_scope bgp_nbr_opts ';' {
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if (ipa_nonzero(BGP_CFG->remote_ip))
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cf_error("Only one neighbor per BGP instance is allowed");
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BGP_CFG->remote_ip = $3;
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if ($4) BGP_CFG->iface = $4;
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}
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| bgp_proto INTERFACE TEXT ';' { BGP_CFG->iface = if_get_by_name($3); }
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| bgp_proto RR CLUSTER ID idval ';' { BGP_CFG->rr_cluster_id = $5; }
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| bgp_proto RR CLIENT ';' { BGP_CFG->rr_client = 1; }
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| bgp_proto RS CLIENT ';' { BGP_CFG->rs_client = 1; }
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| bgp_proto HOLD TIME expr ';' { BGP_CFG->hold_time = $4; }
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| bgp_proto STARTUP HOLD TIME expr ';' { BGP_CFG->initial_hold_time = $5; }
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| bgp_proto DIRECT ';' { BGP_CFG->multihop = 0; }
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| bgp_proto MULTIHOP ';' { BGP_CFG->multihop = 64; }
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| bgp_proto MULTIHOP expr ';' { BGP_CFG->multihop = $3; if (($3<1) || ($3>255)) cf_error("Multihop must be in range 1-255"); }
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| bgp_proto NEXT HOP SELF ';' { BGP_CFG->next_hop_self = 1; BGP_CFG->next_hop_keep = 0; }
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| bgp_proto NEXT HOP KEEP ';' { BGP_CFG->next_hop_keep = 1; BGP_CFG->next_hop_self = 0; }
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| bgp_proto MISSING LLADDR SELF ';' { BGP_CFG->missing_lladdr = MLL_SELF; }
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| bgp_proto MISSING LLADDR DROP ';' { BGP_CFG->missing_lladdr = MLL_DROP; }
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| bgp_proto MISSING LLADDR IGNORE ';' { BGP_CFG->missing_lladdr = MLL_IGNORE; }
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| bgp_proto GATEWAY DIRECT ';' { BGP_CFG->gw_mode = GW_DIRECT; }
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| bgp_proto GATEWAY RECURSIVE ';' { BGP_CFG->gw_mode = GW_RECURSIVE; }
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| bgp_proto PATH METRIC bool ';' { BGP_CFG->compare_path_lengths = $4; }
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| bgp_proto MED METRIC bool ';' { BGP_CFG->med_metric = $4; }
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| bgp_proto IGP METRIC bool ';' { BGP_CFG->igp_metric = $4; }
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| bgp_proto PREFER OLDER bool ';' { BGP_CFG->prefer_older = $4; }
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| bgp_proto DETERMINISTIC MED bool ';' { BGP_CFG->deterministic_med = $4; }
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| bgp_proto DEFAULT BGP_MED expr ';' { BGP_CFG->default_med = $4; }
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| bgp_proto DEFAULT BGP_LOCAL_PREF expr ';' { BGP_CFG->default_local_pref = $4; }
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| bgp_proto SOURCE ADDRESS ipa ';' { BGP_CFG->source_addr = $4; }
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| bgp_proto START DELAY TIME expr ';' { BGP_CFG->connect_delay_time = $5; log(L_WARN "%s: Start delay time option is deprecated, use connect delay time", this_proto->name); }
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| bgp_proto CONNECT DELAY TIME expr ';' { BGP_CFG->connect_delay_time = $5; }
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| bgp_proto CONNECT RETRY TIME expr ';' { BGP_CFG->connect_retry_time = $5; }
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| bgp_proto KEEPALIVE TIME expr ';' { BGP_CFG->keepalive_time = $4; }
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| bgp_proto ERROR FORGET TIME expr ';' { BGP_CFG->error_amnesia_time = $5; }
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| bgp_proto ERROR WAIT TIME expr ',' expr ';' { BGP_CFG->error_delay_time_min = $5; BGP_CFG->error_delay_time_max = $7; }
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| bgp_proto DISABLE AFTER ERROR bool ';' { BGP_CFG->disable_after_error = $5; }
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| bgp_proto ENABLE ROUTE REFRESH bool ';' { BGP_CFG->enable_refresh = $5; }
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| bgp_proto ENABLE AS4 bool ';' { BGP_CFG->enable_as4 = $4; }
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| bgp_proto ENABLE EXTENDED MESSAGES bool ';' { BGP_CFG->enable_extended_messages = $5; }
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| bgp_proto CAPABILITIES bool ';' { BGP_CFG->capabilities = $3; }
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| bgp_proto ADVERTISE IPV4 bool ';' { BGP_CFG->advertise_ipv4 = $4; }
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| bgp_proto PASSWORD text ';' { BGP_CFG->password = $3; }
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| bgp_proto PASSIVE bool ';' { BGP_CFG->passive = $3; }
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| bgp_proto INTERPRET COMMUNITIES bool ';' { BGP_CFG->interpret_communities = $4; }
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| bgp_proto SECONDARY bool ';' { BGP_CFG->secondary = $3; }
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| bgp_proto ADD PATHS RX ';' { BGP_CFG->add_path = ADD_PATH_RX; }
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| bgp_proto ADD PATHS TX ';' { BGP_CFG->add_path = ADD_PATH_TX; }
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| bgp_proto ADD PATHS bool ';' { BGP_CFG->add_path = $4 ? ADD_PATH_FULL : 0; }
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| bgp_proto ALLOW LOCAL AS ';' { BGP_CFG->allow_local_as = -1; }
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| bgp_proto ALLOW LOCAL AS expr ';' { BGP_CFG->allow_local_as = $5; }
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| bgp_proto GRACEFUL RESTART bool ';' { BGP_CFG->gr_mode = $4; }
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| bgp_proto GRACEFUL RESTART AWARE ';' { BGP_CFG->gr_mode = BGP_GR_AWARE; }
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| bgp_proto GRACEFUL RESTART TIME expr ';' { BGP_CFG->gr_time = $5; }
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| bgp_proto IGP TABLE rtable ';' { BGP_CFG->igp_table = $4; }
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| bgp_proto TTL SECURITY bool ';' { BGP_CFG->ttl_security = $4; }
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| bgp_proto CHECK LINK bool ';' { BGP_CFG->check_link = $4; }
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| bgp_proto BFD bool ';' { BGP_CFG->bfd = $3; cf_check_bfd($3); }
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;
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CF_ADDTO(dynamic_attr, BGP_ORIGIN
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{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_ENUM_BGP_ORIGIN, EA_CODE(EAP_BGP, BA_ORIGIN)); })
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CF_ADDTO(dynamic_attr, BGP_PATH
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{ $$ = f_new_dynamic_attr(EAF_TYPE_AS_PATH, T_PATH, EA_CODE(EAP_BGP, BA_AS_PATH)); })
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CF_ADDTO(dynamic_attr, BGP_NEXT_HOP
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{ $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, T_IP, EA_CODE(EAP_BGP, BA_NEXT_HOP)); })
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CF_ADDTO(dynamic_attr, BGP_MED
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{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_MULTI_EXIT_DISC)); })
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CF_ADDTO(dynamic_attr, BGP_LOCAL_PREF
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{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_LOCAL_PREF)); })
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CF_ADDTO(dynamic_attr, BGP_ATOMIC_AGGR
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{ $$ = f_new_dynamic_attr(EAF_TYPE_OPAQUE, T_ENUM_EMPTY, EA_CODE(EAP_BGP, BA_ATOMIC_AGGR)); })
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CF_ADDTO(dynamic_attr, BGP_AGGREGATOR
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{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_AGGREGATOR)); })
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CF_ADDTO(dynamic_attr, BGP_COMMUNITY
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{ $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(EAP_BGP, BA_COMMUNITY)); })
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CF_ADDTO(dynamic_attr, BGP_ORIGINATOR_ID
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{ $$ = f_new_dynamic_attr(EAF_TYPE_ROUTER_ID, T_QUAD, EA_CODE(EAP_BGP, BA_ORIGINATOR_ID)); })
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CF_ADDTO(dynamic_attr, BGP_CLUSTER_LIST
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{ $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(EAP_BGP, BA_CLUSTER_LIST)); })
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CF_ADDTO(dynamic_attr, BGP_EXT_COMMUNITY
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{ $$ = f_new_dynamic_attr(EAF_TYPE_EC_SET, T_ECLIST, EA_CODE(EAP_BGP, BA_EXT_COMMUNITY)); })
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CF_ENUM(T_ENUM_BGP_ORIGIN, ORIGIN_, IGP, EGP, INCOMPLETE)
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CF_CODE
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CF_END
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