Annotation of embedaddon/bird/proto/bgp/config.Y, revision 1.1.1.1

1.1       misho       1: /*
                      2:  *     BIRD -- Border Gateway Protocol Configuration
                      3:  *
                      4:  *     (c) 2000 Martin Mares <mj@ucw.cz>
                      5:  *
                      6:  *     Can be freely distributed and used under the terms of the GNU GPL.
                      7:  */
                      8: 
                      9: CF_HDR
                     10: 
                     11: #include "proto/bgp/bgp.h"
                     12: 
                     13: CF_DEFINES
                     14: 
                     15: #define BGP_CFG ((struct bgp_config *) this_proto)
                     16: 
                     17: CF_DECLS
                     18: 
                     19: CF_KEYWORDS(BGP, LOCAL, NEIGHBOR, AS, HOLD, TIME, CONNECT, RETRY,
                     20:        KEEPALIVE, MULTIHOP, STARTUP, VIA, NEXT, HOP, SELF, DEFAULT,
                     21:        PATH, METRIC, ERROR, START, DELAY, FORGET, WAIT, ENABLE,
                     22:        DISABLE, AFTER, BGP_PATH, BGP_LOCAL_PREF, BGP_MED, BGP_ORIGIN,
                     23:        BGP_NEXT_HOP, BGP_ATOMIC_AGGR, BGP_AGGREGATOR, BGP_COMMUNITY,
                     24:        BGP_EXT_COMMUNITY, SOURCE, ADDRESS, PASSWORD, RR, RS, CLIENT,
                     25:        CLUSTER, ID, AS4, ADVERTISE, IPV4, CAPABILITIES, LIMIT, PASSIVE,
                     26:        PREFER, OLDER, MISSING, LLADDR, DROP, IGNORE, ROUTE, REFRESH,
                     27:        INTERPRET, COMMUNITIES, BGP_ORIGINATOR_ID, BGP_CLUSTER_LIST, IGP,
                     28:        TABLE, GATEWAY, DIRECT, RECURSIVE, MED, TTL, SECURITY, DETERMINISTIC,
                     29:        SECONDARY, ALLOW, BFD, ADD, PATHS, RX, TX, GRACEFUL, RESTART, AWARE,
                     30:        CHECK, LINK, PORT, EXTENDED, MESSAGES, SETKEY, BGP_LARGE_COMMUNITY)
                     31: 
                     32: CF_GRAMMAR
                     33: 
                     34: CF_ADDTO(proto, bgp_proto '}' { bgp_check_config(BGP_CFG); } )
                     35: 
                     36: bgp_proto_start: proto_start BGP {
                     37:      this_proto = proto_config_new(&proto_bgp, $1);
                     38:      BGP_CFG->remote_port = BGP_PORT;
                     39:      BGP_CFG->multihop = -1;   /* undefined */
                     40:      BGP_CFG->hold_time = 240;
                     41:      BGP_CFG->initial_hold_time = 240;
                     42:      BGP_CFG->compare_path_lengths = 1;
                     43:      BGP_CFG->igp_metric = 1;
                     44:      BGP_CFG->connect_delay_time = 5;
                     45:      BGP_CFG->connect_retry_time = 120;
                     46:      BGP_CFG->error_amnesia_time = 300;
                     47:      BGP_CFG->error_delay_time_min = 60;
                     48:      BGP_CFG->error_delay_time_max = 300;
                     49:      BGP_CFG->enable_refresh = 1;
                     50:      BGP_CFG->enable_as4 = 1;
                     51:      BGP_CFG->capabilities = 2;
                     52:      BGP_CFG->advertise_ipv4 = 1;
                     53:      BGP_CFG->interpret_communities = 1;
                     54:      BGP_CFG->default_local_pref = 100;
                     55:      BGP_CFG->gr_mode = BGP_GR_AWARE;
                     56:      BGP_CFG->gr_time = 120;
                     57:      BGP_CFG->setkey = 1;
                     58:  }
                     59:  ;
                     60: 
                     61: bgp_nbr_opts:
                     62:    /* empty */
                     63:  | bgp_nbr_opts PORT expr { BGP_CFG->remote_port = $3; if (($3<1) || ($3>65535)) cf_error("Invalid port number");  }
                     64:  | bgp_nbr_opts AS expr { BGP_CFG->remote_as = $3; }
                     65:  ;
                     66: 
                     67: bgp_proto:
                     68:    bgp_proto_start proto_name '{'
                     69:  | bgp_proto proto_item ';'
                     70:  | bgp_proto LOCAL AS expr ';' { BGP_CFG->local_as = $4; }
                     71:  | bgp_proto LOCAL ipa AS expr ';' { BGP_CFG->source_addr = $3; BGP_CFG->local_as = $5; }
                     72:  | bgp_proto NEIGHBOR bgp_nbr_opts ';'
                     73:  | bgp_proto NEIGHBOR ipa ipa_scope bgp_nbr_opts ';' {
                     74:      if (ipa_nonzero(BGP_CFG->remote_ip))
                     75:        cf_error("Only one neighbor per BGP instance is allowed");
                     76:      BGP_CFG->remote_ip = $3;
                     77:      if ($4) BGP_CFG->iface = $4;
                     78:    }
                     79:  | bgp_proto INTERFACE TEXT ';' { BGP_CFG->iface = if_get_by_name($3); }
                     80:  | bgp_proto RR CLUSTER ID idval ';' { BGP_CFG->rr_cluster_id = $5; }
                     81:  | bgp_proto RR CLIENT ';' { BGP_CFG->rr_client = 1; }
                     82:  | bgp_proto RS CLIENT ';' { BGP_CFG->rs_client = 1; }
                     83:  | bgp_proto HOLD TIME expr ';' { BGP_CFG->hold_time = $4; }
                     84:  | bgp_proto STARTUP HOLD TIME expr ';' { BGP_CFG->initial_hold_time = $5; }
                     85:  | bgp_proto DIRECT ';' { BGP_CFG->multihop = 0; }
                     86:  | bgp_proto MULTIHOP ';' { BGP_CFG->multihop = 64; }
                     87:  | bgp_proto MULTIHOP expr ';' { BGP_CFG->multihop = $3; if (($3<1) || ($3>255)) cf_error("Multihop must be in range 1-255"); }
                     88:  | bgp_proto NEXT HOP SELF ';' { BGP_CFG->next_hop_self = 1; BGP_CFG->next_hop_keep = 0; }
                     89:  | bgp_proto NEXT HOP KEEP ';' { BGP_CFG->next_hop_keep = 1; BGP_CFG->next_hop_self = 0; }
                     90:  | bgp_proto MISSING LLADDR SELF ';' { BGP_CFG->missing_lladdr = MLL_SELF; }
                     91:  | bgp_proto MISSING LLADDR DROP ';' { BGP_CFG->missing_lladdr = MLL_DROP; }
                     92:  | bgp_proto MISSING LLADDR IGNORE ';' { BGP_CFG->missing_lladdr = MLL_IGNORE; }
                     93:  | bgp_proto GATEWAY DIRECT ';' { BGP_CFG->gw_mode = GW_DIRECT; }
                     94:  | bgp_proto GATEWAY RECURSIVE ';' { BGP_CFG->gw_mode = GW_RECURSIVE; }
                     95:  | bgp_proto PATH METRIC bool ';' { BGP_CFG->compare_path_lengths = $4; }
                     96:  | bgp_proto MED METRIC bool ';' { BGP_CFG->med_metric = $4; }
                     97:  | bgp_proto IGP METRIC bool ';' { BGP_CFG->igp_metric = $4; }
                     98:  | bgp_proto PREFER OLDER bool ';' { BGP_CFG->prefer_older = $4; }
                     99:  | bgp_proto DETERMINISTIC MED bool ';' { BGP_CFG->deterministic_med = $4; }
                    100:  | bgp_proto DEFAULT BGP_MED expr ';' { BGP_CFG->default_med = $4; }
                    101:  | bgp_proto DEFAULT BGP_LOCAL_PREF expr ';' { BGP_CFG->default_local_pref = $4; }
                    102:  | bgp_proto SOURCE ADDRESS ipa ';' { BGP_CFG->source_addr = $4; }
                    103:  | 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); }
                    104:  | bgp_proto CONNECT DELAY TIME expr ';' { BGP_CFG->connect_delay_time = $5; }
                    105:  | bgp_proto CONNECT RETRY TIME expr ';' { BGP_CFG->connect_retry_time = $5; }
                    106:  | bgp_proto KEEPALIVE TIME expr ';' { BGP_CFG->keepalive_time = $4; }
                    107:  | bgp_proto ERROR FORGET TIME expr ';' { BGP_CFG->error_amnesia_time = $5; }
                    108:  | bgp_proto ERROR WAIT TIME expr ',' expr ';' { BGP_CFG->error_delay_time_min = $5; BGP_CFG->error_delay_time_max = $7; }
                    109:  | bgp_proto DISABLE AFTER ERROR bool ';' { BGP_CFG->disable_after_error = $5; }
                    110:  | bgp_proto ENABLE ROUTE REFRESH bool ';' { BGP_CFG->enable_refresh = $5; }
                    111:  | bgp_proto ENABLE AS4 bool ';' { BGP_CFG->enable_as4 = $4; }
                    112:  | bgp_proto ENABLE EXTENDED MESSAGES bool ';' { BGP_CFG->enable_extended_messages = $5; }
                    113:  | bgp_proto CAPABILITIES bool ';' { BGP_CFG->capabilities = $3; }
                    114:  | bgp_proto ADVERTISE IPV4 bool ';' { BGP_CFG->advertise_ipv4 = $4; }
                    115:  | bgp_proto PASSWORD text ';' { BGP_CFG->password = $3; }
                    116:  | bgp_proto SETKEY bool ';' { BGP_CFG->setkey = $3; }
                    117:  | bgp_proto ROUTE LIMIT expr ';' {
                    118:      this_proto->in_limit = cfg_allocz(sizeof(struct proto_limit));
                    119:      this_proto->in_limit->limit = $4;
                    120:      this_proto->in_limit->action = PLA_RESTART;
                    121:      log(L_WARN "%s: Route limit option is deprecated, use import limit", this_proto->name);
                    122:    }
                    123:  | bgp_proto PASSIVE bool ';' { BGP_CFG->passive = $3; }
                    124:  | bgp_proto INTERPRET COMMUNITIES bool ';' { BGP_CFG->interpret_communities = $4; }
                    125:  | bgp_proto SECONDARY bool ';' { BGP_CFG->secondary = $3; }
                    126:  | bgp_proto ADD PATHS RX ';' { BGP_CFG->add_path = ADD_PATH_RX; }
                    127:  | bgp_proto ADD PATHS TX ';' { BGP_CFG->add_path = ADD_PATH_TX; }
                    128:  | bgp_proto ADD PATHS bool ';' { BGP_CFG->add_path = $4 ? ADD_PATH_FULL : 0; }
                    129:  | bgp_proto ALLOW LOCAL AS ';' { BGP_CFG->allow_local_as = -1; }
                    130:  | bgp_proto ALLOW LOCAL AS expr ';' { BGP_CFG->allow_local_as = $5; }
                    131:  | bgp_proto GRACEFUL RESTART bool ';' { BGP_CFG->gr_mode = $4; }
                    132:  | bgp_proto GRACEFUL RESTART AWARE ';' { BGP_CFG->gr_mode = BGP_GR_AWARE; }
                    133:  | bgp_proto GRACEFUL RESTART TIME expr ';' { BGP_CFG->gr_time = $5; }
                    134:  | bgp_proto IGP TABLE rtable ';' { BGP_CFG->igp_table = $4; }
                    135:  | bgp_proto TTL SECURITY bool ';' { BGP_CFG->ttl_security = $4; }
                    136:  | bgp_proto CHECK LINK bool ';' { BGP_CFG->check_link = $4; }
                    137:  | bgp_proto BFD bool ';' { BGP_CFG->bfd = $3; cf_check_bfd($3); }
                    138:  ;
                    139: 
                    140: CF_ADDTO(dynamic_attr, BGP_ORIGIN
                    141:        { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_ENUM_BGP_ORIGIN, EA_CODE(EAP_BGP, BA_ORIGIN)); })
                    142: CF_ADDTO(dynamic_attr, BGP_PATH
                    143:        { $$ = f_new_dynamic_attr(EAF_TYPE_AS_PATH, T_PATH, EA_CODE(EAP_BGP, BA_AS_PATH)); })
                    144: CF_ADDTO(dynamic_attr, BGP_NEXT_HOP
                    145:        { $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, T_IP, EA_CODE(EAP_BGP, BA_NEXT_HOP)); })
                    146: CF_ADDTO(dynamic_attr, BGP_MED
                    147:        { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_MULTI_EXIT_DISC)); })
                    148: CF_ADDTO(dynamic_attr, BGP_LOCAL_PREF
                    149:        { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_LOCAL_PREF)); })
                    150: CF_ADDTO(dynamic_attr, BGP_ATOMIC_AGGR
                    151:        { $$ = f_new_dynamic_attr(EAF_TYPE_OPAQUE, T_ENUM_EMPTY, EA_CODE(EAP_BGP, BA_ATOMIC_AGGR)); })
                    152: CF_ADDTO(dynamic_attr, BGP_AGGREGATOR
                    153:        { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_AGGREGATOR)); })
                    154: CF_ADDTO(dynamic_attr, BGP_COMMUNITY
                    155:        { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(EAP_BGP, BA_COMMUNITY)); })
                    156: CF_ADDTO(dynamic_attr, BGP_ORIGINATOR_ID
                    157:        { $$ = f_new_dynamic_attr(EAF_TYPE_ROUTER_ID, T_QUAD, EA_CODE(EAP_BGP, BA_ORIGINATOR_ID)); })
                    158: CF_ADDTO(dynamic_attr, BGP_CLUSTER_LIST
                    159:        { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(EAP_BGP, BA_CLUSTER_LIST)); })
                    160: CF_ADDTO(dynamic_attr, BGP_EXT_COMMUNITY
                    161:        { $$ = f_new_dynamic_attr(EAF_TYPE_EC_SET, T_ECLIST, EA_CODE(EAP_BGP, BA_EXT_COMMUNITY)); })
                    162: CF_ADDTO(dynamic_attr, BGP_LARGE_COMMUNITY
                    163:        { $$ = f_new_dynamic_attr(EAF_TYPE_LC_SET, T_LCLIST, EA_CODE(EAP_BGP, BA_LARGE_COMMUNITY)); })
                    164: 
                    165: 
                    166: 
                    167: CF_ENUM(T_ENUM_BGP_ORIGIN, ORIGIN_, IGP, EGP, INCOMPLETE)
                    168: 
                    169: CF_CODE
                    170: 
                    171: CF_END

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