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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