mirror of
https://gitlab.nic.cz/labs/bird.git
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3fb06fea1d
Some BGP capabilities change the BGP behavior in a significant way, so if the configuration depends on it, it is better to not establish BGP session when the capability is not available. Add several BGP option to require individual BGP capabilities during session negotiation.
396 lines
17 KiB
Plaintext
396 lines
17 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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#define BGP_CC ((struct bgp_channel_config *) this_channel)
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CF_DECLS
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CF_KEYWORDS(BGP, LOCAL, NEIGHBOR, AS, HOLD, TIME, CONNECT, RETRY, KEEPALIVE,
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MULTIHOP, STARTUP, VIA, NEXT, HOP, SELF, DEFAULT, PATH, METRIC, ERROR,
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START, DELAY, FORGET, WAIT, ENABLE, DISABLE, AFTER, BGP_PATH,
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BGP_LOCAL_PREF, BGP_MED, BGP_ORIGIN, BGP_NEXT_HOP, BGP_ATOMIC_AGGR,
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BGP_AGGREGATOR, BGP_COMMUNITY, BGP_EXT_COMMUNITY, BGP_LARGE_COMMUNITY,
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SOURCE, ADDRESS, PASSWORD, RR, RS, CLIENT, CLUSTER, ID, AS4, ADVERTISE,
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IPV4, CAPABILITIES, LIMIT, PASSIVE, PREFER, OLDER, MISSING, LLADDR,
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DROP, IGNORE, ENHANCED, ROUTE, REFRESH, INTERPRET, COMMUNITIES, BGP_ORIGINATOR_ID,
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BGP_CLUSTER_LIST, IGP, TABLE, GATEWAY, DIRECT, RECURSIVE, MED, TTL,
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SECURITY, DETERMINISTIC, SECONDARY, ALLOW, BFD, ADD, PATHS, RX, TX,
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GRACEFUL, RESTART, AWARE, CHECK, LINK, PORT, EXTENDED, MESSAGES, SETKEY,
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STRICT, BIND, CONFEDERATION, MEMBER, MULTICAST, FLOW4, FLOW6, LONG,
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LIVED, STALE, IMPORT, IBGP, EBGP, MANDATORY, INTERNAL, EXTERNAL, SETS,
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DYNAMIC, RANGE, NAME, DIGITS, BGP_AIGP, AIGP, ORIGINATE, COST, ENFORCE,
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FIRST, FREE, VALIDATE, BASE, ROLE, ROLES, PEER, PROVIDER, CUSTOMER,
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RS_SERVER, RS_CLIENT, REQUIRE, BGP_OTC, GLOBAL)
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%type <i> bgp_nh
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%type <i32> bgp_afi
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CF_KEYWORDS(CEASE, PREFIX, LIMIT, HIT, ADMINISTRATIVE, SHUTDOWN, RESET, PEER,
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CONFIGURATION, CHANGE, DECONFIGURED, CONNECTION, REJECTED, COLLISION,
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OUT, OF, RESOURCES)
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%type<i> bgp_cease_mask bgp_cease_list bgp_cease_flag bgp_role_name
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CF_GRAMMAR
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proto: bgp_proto '}' ;
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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->local_port = BGP_PORT;
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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_enhanced_refresh = 1;
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BGP_CFG->enable_as4 = 1;
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BGP_CFG->enable_hostname = 0;
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BGP_CFG->capabilities = 2;
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BGP_CFG->interpret_communities = 1;
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BGP_CFG->allow_as_sets = 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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BGP_CFG->llgr_mode = -1;
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BGP_CFG->llgr_time = 3600;
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BGP_CFG->setkey = 1;
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BGP_CFG->local_role = BGP_ROLE_UNDEFINED;
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BGP_CFG->dynamic_name = "dynbgp";
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BGP_CFG->check_link = -1;
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}
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;
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bgp_loc_opts:
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/* empty */
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| bgp_loc_opts PORT expr { BGP_CFG->local_port = $3; if (($3<1) || ($3>65535)) cf_error("Invalid port number"); }
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| bgp_loc_opts AS expr { BGP_CFG->local_as = $3; }
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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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| bgp_nbr_opts INTERNAL { BGP_CFG->peer_type = BGP_PT_INTERNAL; }
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| bgp_nbr_opts EXTERNAL { BGP_CFG->peer_type = BGP_PT_EXTERNAL; }
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;
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bgp_cease_mask:
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/* true -> all except connection collision */
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bool { $$ = $1 ? ~(1 << 7) : 0; }
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| '{' bgp_cease_list '}' { $$ = $2; }
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;
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bgp_cease_list:
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bgp_cease_flag
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| bgp_cease_list ',' bgp_cease_flag { $$ = $1 | $3; }
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;
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bgp_cease_flag:
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CEASE { $$ = 1 << 0; }
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| PREFIX LIMIT HIT { $$ = 1 << 1; }
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| ADMINISTRATIVE SHUTDOWN { $$ = 1 << 2; }
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| PEER DECONFIGURED { $$ = 1 << 3; }
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| ADMINISTRATIVE RESET { $$ = 1 << 4; }
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| CONNECTION REJECTED { $$ = 1 << 5; }
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| CONFIGURATION CHANGE { $$ = 1 << 6; }
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| CONNECTION COLLISION { $$ = 1 << 7; }
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| OUT OF RESOURCES { $$ = 1 << 8; }
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;
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bgp_role_name:
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PEER { $$ = BGP_ROLE_PEER; }
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| PROVIDER { $$ = BGP_ROLE_PROVIDER; }
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| CUSTOMER { $$ = BGP_ROLE_CUSTOMER; }
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| RS_SERVER { $$ = BGP_ROLE_RS_SERVER; }
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| RS_CLIENT { $$ = BGP_ROLE_RS_CLIENT; }
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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 bgp_proto_channel ';'
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| bgp_proto mpls_channel ';'
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| bgp_proto LOCAL bgp_loc_opts ';'
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| bgp_proto LOCAL ipa ipa_scope bgp_loc_opts ';' {
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BGP_CFG->local_ip = $3;
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if ($4) BGP_CFG->iface = $4;
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}
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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) || BGP_CFG->remote_range)
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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 NEIGHBOR RANGE net_ip bgp_nbr_opts ';' {
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if (ipa_nonzero(BGP_CFG->remote_ip) || BGP_CFG->remote_range)
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cf_error("Only one neighbor per BGP instance is allowed");
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net_addr *n = cfg_alloc($4.length);
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net_copy(n, &($4));
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BGP_CFG->remote_range = n;
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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 bool ';' { BGP_CFG->rr_client = $4; }
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| bgp_proto RS CLIENT bool ';' { BGP_CFG->rs_client = $4; }
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| bgp_proto CONFEDERATION expr ';' { BGP_CFG->confederation = $3; }
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| bgp_proto CONFEDERATION MEMBER bool ';' { BGP_CFG->confederation_member = $4; }
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| bgp_proto HOLD TIME expr ';' { BGP_CFG->hold_time = $4; if (($4 && $4<3) || ($4>65535)) cf_error("Hold time must be in range 3-65535 or zero"); }
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| bgp_proto MIN HOLD TIME expr ';' { BGP_CFG->min_hold_time = $5; }
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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 DYNAMIC NAME text ';' {
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if (strchr($4, '%')) cf_error("Forbidden character '%%' in dynamic name");
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if (strlen($4) > (SYM_MAX_LEN - 16)) cf_error("Dynamic name too long");
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BGP_CFG->dynamic_name = $4;
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}
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| bgp_proto DYNAMIC NAME DIGITS expr ';' { BGP_CFG->dynamic_name_digits = $5; if ($5>10) cf_error("Dynamic name digits must be at most 10"); }
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| bgp_proto STRICT BIND bool ';' { BGP_CFG->strict_bind = $4; }
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| bgp_proto FREE BIND bool ';' { BGP_CFG->free_bind = $4; }
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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->local_ip = $4; }
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| bgp_proto START DELAY TIME expr ';' { BGP_CFG->connect_delay_time = $5; cf_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; if (($4<1) || ($4>65535)) cf_error("Keepalive time must be in range 1-65535"); }
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| bgp_proto MIN KEEPALIVE TIME expr ';' { BGP_CFG->min_keepalive_time = $5; }
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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 DISABLE AFTER CEASE bgp_cease_mask ';' { BGP_CFG->disable_after_cease = $5; }
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| bgp_proto ENABLE ROUTE REFRESH bool ';' { BGP_CFG->enable_refresh = $5; }
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| bgp_proto ENABLE ENHANCED ROUTE REFRESH bool ';' { BGP_CFG->enable_enhanced_refresh = $6; }
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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 ADVERTISE HOSTNAME bool ';' { BGP_CFG->enable_hostname = $4; }
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| bgp_proto REQUIRE ROUTE REFRESH bool ';' { BGP_CFG->require_refresh = $5; }
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| bgp_proto REQUIRE ENHANCED ROUTE REFRESH bool ';' { BGP_CFG->require_enhanced_refresh = $6; }
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| bgp_proto REQUIRE AS4 bool ';' { BGP_CFG->require_as4 = $4; }
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| bgp_proto REQUIRE EXTENDED MESSAGES bool ';' { BGP_CFG->require_extended_messages = $5; }
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| bgp_proto REQUIRE HOSTNAME bool ';' { BGP_CFG->require_hostname = $4; }
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| bgp_proto REQUIRE GRACEFUL RESTART bool ';' { BGP_CFG->require_gr = $5; }
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| bgp_proto REQUIRE LONG LIVED GRACEFUL RESTART bool ';' { BGP_CFG->require_llgr = $7; }
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| bgp_proto CAPABILITIES bool ';' { BGP_CFG->capabilities = $3; }
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| bgp_proto PASSWORD text ';' { BGP_CFG->password = $3; }
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| bgp_proto SETKEY bool ';' { BGP_CFG->setkey = $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 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 ALLOW BGP_LOCAL_PREF bool ';' { BGP_CFG->allow_local_pref = $4; }
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| bgp_proto ALLOW BGP_MED bool ';' { BGP_CFG->allow_med = $4; }
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| bgp_proto ALLOW AS SETS bool ';' { BGP_CFG->allow_as_sets = $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 LONG LIVED GRACEFUL RESTART bool ';' { BGP_CFG->llgr_mode = $6; }
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| bgp_proto LONG LIVED GRACEFUL RESTART AWARE ';' { BGP_CFG->llgr_mode = BGP_LLGR_AWARE; }
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| bgp_proto LONG LIVED STALE TIME expr ';' { BGP_CFG->llgr_time = $6; }
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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 ';' { if ($3) init_bfd_opts(&BGP_CFG->bfd); else BGP_CFG->bfd = NULL; }
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| bgp_proto BFD GRACEFUL ';' { init_bfd_opts(&BGP_CFG->bfd); BGP_CFG->bfd->mode = BGP_BFD_GRACEFUL; }
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| bgp_proto BFD { open_bfd_opts(&BGP_CFG->bfd); } bfd_opts { close_bfd_opts(); } ';'
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| bgp_proto ENFORCE FIRST AS bool ';' { BGP_CFG->enforce_first_as = $5; }
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| bgp_proto LOCAL ROLE bgp_role_name ';' { BGP_CFG->local_role = $4; }
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| bgp_proto REQUIRE ROLES bool ';' { BGP_CFG->require_roles = $4; }
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;
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bgp_afi:
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IPV4 { $$ = BGP_AF_IPV4; }
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| IPV6 { $$ = BGP_AF_IPV6; }
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| IPV4 MULTICAST { $$ = BGP_AF_IPV4_MC; }
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| IPV6 MULTICAST { $$ = BGP_AF_IPV6_MC; }
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| IPV4 MPLS { $$ = BGP_AF_IPV4_MPLS; }
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| IPV6 MPLS { $$ = BGP_AF_IPV6_MPLS; }
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| VPN4 MPLS { $$ = BGP_AF_VPN4_MPLS; }
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| VPN6 MPLS { $$ = BGP_AF_VPN6_MPLS; }
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| VPN4 MULTICAST { $$ = BGP_AF_VPN4_MC; }
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| VPN6 MULTICAST { $$ = BGP_AF_VPN6_MC; }
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| FLOW4 { $$ = BGP_AF_FLOW4; }
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| FLOW6 { $$ = BGP_AF_FLOW6; }
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;
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bgp_channel_start: bgp_afi
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{
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const struct bgp_af_desc *desc = bgp_get_af_desc($1);
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if (!desc)
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cf_error("Unknown AFI/SAFI");
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this_channel = channel_config_get(&channel_bgp, desc->name, desc->net, this_proto);
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/* New channel */
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if (!BGP_CC->desc)
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{
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BGP_CC->c.in_filter = FILTER_UNDEF;
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BGP_CC->c.out_filter = FILTER_UNDEF;
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BGP_CC->c.ra_mode = RA_UNDEF;
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BGP_CC->afi = $1;
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BGP_CC->desc = desc;
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BGP_CC->next_hop_keep = 0xff; /* undefined */
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BGP_CC->gr_able = 0xff; /* undefined */
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BGP_CC->llgr_able = 0xff; /* undefined */
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BGP_CC->llgr_time = ~0U; /* undefined */
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BGP_CC->aigp = 0xff; /* undefined */
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}
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};
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bgp_nh:
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bool { $$ = $1; }
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| IBGP { $$ = NH_IBGP; }
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| EBGP { $$ = NH_EBGP; }
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bgp_lladdr: SELF | DROP | IGNORE;
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bgp_channel_item:
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channel_item
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| NEXT HOP ADDRESS ipa { BGP_CC->next_hop_addr = $4; }
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| NEXT HOP SELF bgp_nh { BGP_CC->next_hop_self = $4; }
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| NEXT HOP KEEP bgp_nh { BGP_CC->next_hop_keep = $4; }
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| NEXT HOP PREFER GLOBAL { BGP_CC->next_hop_prefer = NHP_GLOBAL; }
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| MANDATORY bool { BGP_CC->mandatory = $2; }
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| MISSING LLADDR bgp_lladdr { cf_warn("%s.%s: Missing lladdr option is deprecated and ignored, remove it", this_proto->name, this_channel->name); }
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| GATEWAY DIRECT { BGP_CC->gw_mode = GW_DIRECT; }
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| GATEWAY RECURSIVE { BGP_CC->gw_mode = GW_RECURSIVE; }
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| SECONDARY bool { BGP_CC->secondary = $2; }
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| VALIDATE bool {
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BGP_CC->validate = $2;
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if (BGP_SAFI(BGP_CC->afi) != BGP_SAFI_FLOW)
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cf_error("Validate option limited to flowspec channels");
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}
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| GRACEFUL RESTART bool { BGP_CC->gr_able = $3; }
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| LONG LIVED GRACEFUL RESTART bool { BGP_CC->llgr_able = $5; }
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| LONG LIVED STALE TIME expr { BGP_CC->llgr_time = $5; }
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| EXTENDED NEXT HOP bool { BGP_CC->ext_next_hop = $4; }
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| REQUIRE EXTENDED NEXT HOP bool { BGP_CC->require_ext_next_hop = $5; if (BGP_AFI(BGP_CC->afi) != BGP_AFI_IPV4) cf_warn("Require extended next hop option ignored for non-IPv4 channels"); }
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| ADD PATHS RX { BGP_CC->add_path = BGP_ADD_PATH_RX; }
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| ADD PATHS TX { BGP_CC->add_path = BGP_ADD_PATH_TX; }
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| ADD PATHS bool { BGP_CC->add_path = $3 ? BGP_ADD_PATH_FULL : 0; }
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| REQUIRE ADD PATHS bool { BGP_CC->require_add_path = $4; }
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| IMPORT TABLE bool { BGP_CC->import_table = $3; }
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| EXPORT TABLE bool { BGP_CC->export_table = $3; }
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| AIGP bool { BGP_CC->aigp = $2; BGP_CC->aigp_originate = 0; }
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| AIGP ORIGINATE { BGP_CC->aigp = 1; BGP_CC->aigp_originate = 1; }
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| COST expr { BGP_CC->cost = $2; if ($2 < 1) cf_error("Cost must be positive"); }
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| IGP TABLE rtable {
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if (BGP_CC->desc->no_igp)
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cf_error("IGP table not allowed here");
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|
|
if ($3->addr_type == NET_IP4)
|
|
BGP_CC->igp_table_ip4 = $3;
|
|
else if ($3->addr_type == NET_IP6)
|
|
BGP_CC->igp_table_ip6 = $3;
|
|
else
|
|
cf_error("Mismatched IGP table type");
|
|
}
|
|
| BASE TABLE rtable {
|
|
if (BGP_SAFI(BGP_CC->afi) != BGP_SAFI_FLOW)
|
|
cf_error("Base table option limited to flowspec channels");
|
|
|
|
if (((BGP_CC->afi == BGP_AF_FLOW4) && ($3->addr_type == NET_IP4)) ||
|
|
((BGP_CC->afi == BGP_AF_FLOW6) && ($3->addr_type == NET_IP6)))
|
|
BGP_CC->base_table = $3;
|
|
else
|
|
cf_error("Mismatched base table type");
|
|
}
|
|
;
|
|
|
|
bgp_channel_opts:
|
|
/* empty */
|
|
| bgp_channel_opts bgp_channel_item ';'
|
|
;
|
|
|
|
bgp_channel_opt_list:
|
|
/* empty */
|
|
| '{' bgp_channel_opts '}'
|
|
;
|
|
|
|
bgp_channel_end:
|
|
{
|
|
if (!this_channel->table)
|
|
cf_error("Routing table not specified");
|
|
|
|
this_channel = NULL;
|
|
};
|
|
|
|
bgp_proto_channel: bgp_channel_start bgp_channel_opt_list bgp_channel_end;
|
|
|
|
|
|
dynamic_attr: BGP_ORIGIN
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_ENUM_BGP_ORIGIN, EA_CODE(PROTOCOL_BGP, BA_ORIGIN)); } ;
|
|
dynamic_attr: BGP_PATH
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_AS_PATH, T_PATH, EA_CODE(PROTOCOL_BGP, BA_AS_PATH)); } ;
|
|
dynamic_attr: BGP_NEXT_HOP
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, T_IP, EA_CODE(PROTOCOL_BGP, BA_NEXT_HOP)); } ;
|
|
dynamic_attr: BGP_MED
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(PROTOCOL_BGP, BA_MULTI_EXIT_DISC)); } ;
|
|
dynamic_attr: BGP_LOCAL_PREF
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(PROTOCOL_BGP, BA_LOCAL_PREF)); } ;
|
|
dynamic_attr: BGP_ATOMIC_AGGR
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_OPAQUE, T_ENUM_EMPTY, EA_CODE(PROTOCOL_BGP, BA_ATOMIC_AGGR)); } ;
|
|
dynamic_attr: BGP_AGGREGATOR
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_OPAQUE, T_ENUM_EMPTY, EA_CODE(PROTOCOL_BGP, BA_AGGREGATOR)); } ;
|
|
dynamic_attr: BGP_COMMUNITY
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(PROTOCOL_BGP, BA_COMMUNITY)); } ;
|
|
dynamic_attr: BGP_ORIGINATOR_ID
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_ROUTER_ID, T_QUAD, EA_CODE(PROTOCOL_BGP, BA_ORIGINATOR_ID)); } ;
|
|
dynamic_attr: BGP_CLUSTER_LIST
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(PROTOCOL_BGP, BA_CLUSTER_LIST)); } ;
|
|
dynamic_attr: BGP_EXT_COMMUNITY
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_EC_SET, T_ECLIST, EA_CODE(PROTOCOL_BGP, BA_EXT_COMMUNITY)); } ;
|
|
dynamic_attr: BGP_AIGP
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_OPAQUE, T_ENUM_EMPTY, EA_CODE(PROTOCOL_BGP, BA_AIGP)); } ;
|
|
dynamic_attr: BGP_LARGE_COMMUNITY
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_LC_SET, T_LCLIST, EA_CODE(PROTOCOL_BGP, BA_LARGE_COMMUNITY)); } ;
|
|
dynamic_attr: BGP_OTC
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(PROTOCOL_BGP, BA_ONLY_TO_CUSTOMER)); } ;
|
|
|
|
custom_attr: ATTRIBUTE BGP expr type symbol ';' {
|
|
if ($3 > 255 || $3 < 1)
|
|
cf_error("Invalid attribute number (Given %i, must be 1-255)", $3);
|
|
if ($4 != T_BYTESTRING)
|
|
cf_error("Attribute type must be bytestring, not %s", f_type_name($4));
|
|
if (bgp_attr_name($3))
|
|
cf_error("Attribute BGP.%d already known as %s", $3, bgp_attr_name($3));
|
|
|
|
struct f_dynamic_attr *a = cfg_alloc(sizeof(struct f_dynamic_attr));
|
|
*a = f_new_dynamic_attr(f_type_attr($4), T_BYTESTRING, EA_CODE(PROTOCOL_BGP, $3));
|
|
a->flags = BAF_TRANSITIVE | BAF_OPTIONAL;
|
|
cf_define_symbol(new_config, $5, SYM_ATTRIBUTE, attribute, a);
|
|
};
|
|
|
|
CF_ENUM(T_ENUM_BGP_ORIGIN, ORIGIN_, IGP, EGP, INCOMPLETE)
|
|
|
|
CF_CODE
|
|
|
|
CF_END
|