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2638249d MM |
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 | ||
cea63664 MM |
13 | CF_DEFINES |
14 | ||
2638249d | 15 | #define BGP_CFG ((struct bgp_config *) this_proto) |
d15b0b0a | 16 | #define BGP_CC ((struct bgp_channel_config *) this_channel) |
2638249d MM |
17 | |
18 | CF_DECLS | |
19 | ||
d15b0b0a OZ |
20 | CF_KEYWORDS(BGP, LOCAL, NEIGHBOR, AS, HOLD, TIME, CONNECT, RETRY, KEEPALIVE, |
21 | MULTIHOP, STARTUP, VIA, NEXT, HOP, SELF, DEFAULT, PATH, METRIC, ERROR, | |
22 | START, DELAY, FORGET, WAIT, ENABLE, DISABLE, AFTER, BGP_PATH, | |
23 | BGP_LOCAL_PREF, BGP_MED, BGP_ORIGIN, BGP_NEXT_HOP, BGP_ATOMIC_AGGR, | |
24 | BGP_AGGREGATOR, BGP_COMMUNITY, BGP_EXT_COMMUNITY, BGP_LARGE_COMMUNITY, | |
25 | SOURCE, ADDRESS, PASSWORD, RR, RS, CLIENT, CLUSTER, ID, AS4, ADVERTISE, | |
26 | IPV4, CAPABILITIES, LIMIT, PASSIVE, PREFER, OLDER, MISSING, LLADDR, | |
27 | DROP, IGNORE, ROUTE, REFRESH, INTERPRET, COMMUNITIES, BGP_ORIGINATOR_ID, | |
28 | BGP_CLUSTER_LIST, IGP, TABLE, GATEWAY, DIRECT, RECURSIVE, MED, TTL, | |
29 | SECURITY, DETERMINISTIC, SECONDARY, ALLOW, BFD, ADD, PATHS, RX, TX, | |
30 | GRACEFUL, RESTART, AWARE, CHECK, LINK, PORT, EXTENDED, MESSAGES, SETKEY, | |
ac3ad139 | 31 | STRICT, BIND, CONFEDERATION, MEMBER, MULTICAST, FLOW4, FLOW6) |
d15b0b0a OZ |
32 | |
33 | %type <i32> bgp_afi | |
2638249d MM |
34 | |
35 | CF_GRAMMAR | |
36 | ||
d15b0b0a | 37 | CF_ADDTO(proto, bgp_proto '}' ) |
2638249d MM |
38 | |
39 | bgp_proto_start: proto_start BGP { | |
2bbc3083 | 40 | this_proto = proto_config_new(&proto_bgp, $1); |
d15b0b0a | 41 | BGP_CFG->local_port = BGP_PORT; |
a1beb8f3 | 42 | BGP_CFG->remote_port = BGP_PORT; |
f3e59178 | 43 | BGP_CFG->multihop = -1; /* undefined */ |
c01e3741 | 44 | BGP_CFG->hold_time = 240; |
b552ecc4 | 45 | BGP_CFG->initial_hold_time = 240; |
56a2bed4 | 46 | BGP_CFG->compare_path_lengths = 1; |
d1e146f2 | 47 | BGP_CFG->igp_metric = 1; |
6cf72d7a OZ |
48 | BGP_CFG->connect_delay_time = 5; |
49 | BGP_CFG->connect_retry_time = 120; | |
6fd766c1 MM |
50 | BGP_CFG->error_amnesia_time = 300; |
51 | BGP_CFG->error_delay_time_min = 60; | |
52 | BGP_CFG->error_delay_time_max = 300; | |
bf47fe4b | 53 | BGP_CFG->enable_refresh = 1; |
43c1cecc | 54 | BGP_CFG->enable_as4 = 1; |
e8ba557c | 55 | BGP_CFG->capabilities = 2; |
41677025 | 56 | BGP_CFG->interpret_communities = 1; |
fbcb7d5f | 57 | BGP_CFG->default_local_pref = 100; |
0c791f87 OZ |
58 | BGP_CFG->gr_mode = BGP_GR_AWARE; |
59 | BGP_CFG->gr_time = 120; | |
a7baa098 | 60 | BGP_CFG->setkey = 1; |
d15b0b0a OZ |
61 | } |
62 | ; | |
63 | ||
64 | bgp_loc_opts: | |
65 | /* empty */ | |
66 | | bgp_loc_opts PORT expr { BGP_CFG->local_port = $3; if (($3<1) || ($3>65535)) cf_error("Invalid port number"); } | |
67 | | bgp_loc_opts AS expr { BGP_CFG->local_as = $3; } | |
2638249d MM |
68 | ; |
69 | ||
a1beb8f3 OZ |
70 | bgp_nbr_opts: |
71 | /* empty */ | |
d15b0b0a | 72 | | bgp_nbr_opts PORT expr { BGP_CFG->remote_port = $3; if (($3<1) || ($3>65535)) cf_error("Invalid port number"); } |
a1beb8f3 OZ |
73 | | bgp_nbr_opts AS expr { BGP_CFG->remote_as = $3; } |
74 | ; | |
75 | ||
2638249d MM |
76 | bgp_proto: |
77 | bgp_proto_start proto_name '{' | |
78 | | bgp_proto proto_item ';' | |
d15b0b0a OZ |
79 | | bgp_proto bgp_proto_channel ';' |
80 | | bgp_proto LOCAL bgp_loc_opts ';' | |
81 | | bgp_proto LOCAL ipa ipa_scope bgp_loc_opts ';' { | |
82 | BGP_CFG->local_ip = $3; | |
83 | if ($4) BGP_CFG->iface = $4; | |
84 | } | |
a1beb8f3 OZ |
85 | | bgp_proto NEIGHBOR bgp_nbr_opts ';' |
86 | | bgp_proto NEIGHBOR ipa ipa_scope bgp_nbr_opts ';' { | |
53ffbff3 OZ |
87 | if (ipa_nonzero(BGP_CFG->remote_ip)) |
88 | cf_error("Only one neighbor per BGP instance is allowed"); | |
2638249d | 89 | BGP_CFG->remote_ip = $3; |
a1beb8f3 | 90 | if ($4) BGP_CFG->iface = $4; |
2638249d | 91 | } |
a1beb8f3 | 92 | | bgp_proto INTERFACE TEXT ';' { BGP_CFG->iface = if_get_by_name($3); } |
89534cda | 93 | | bgp_proto RR CLUSTER ID idval ';' { BGP_CFG->rr_cluster_id = $5; } |
d15b0b0a OZ |
94 | | bgp_proto RR CLIENT bool ';' { BGP_CFG->rr_client = $4; } |
95 | | bgp_proto RS CLIENT bool ';' { BGP_CFG->rs_client = $4; } | |
96 | | bgp_proto CONFEDERATION expr ';' { BGP_CFG->confederation = $3; } | |
97 | | bgp_proto CONFEDERATION MEMBER bool ';' { BGP_CFG->confederation_member = $4; } | |
e3f2d5fc MM |
98 | | bgp_proto HOLD TIME expr ';' { BGP_CFG->hold_time = $4; } |
99 | | bgp_proto STARTUP HOLD TIME expr ';' { BGP_CFG->initial_hold_time = $5; } | |
f3e59178 | 100 | | bgp_proto DIRECT ';' { BGP_CFG->multihop = 0; } |
9be9a264 | 101 | | bgp_proto MULTIHOP ';' { BGP_CFG->multihop = 64; } |
b1b19433 | 102 | | bgp_proto MULTIHOP expr ';' { BGP_CFG->multihop = $3; if (($3<1) || ($3>255)) cf_error("Multihop must be in range 1-255"); } |
d15b0b0a | 103 | | bgp_proto STRICT BIND bool ';' { BGP_CFG->strict_bind = $4; } |
7294f68b | 104 | | bgp_proto PATH METRIC bool ';' { BGP_CFG->compare_path_lengths = $4; } |
73272f04 | 105 | | bgp_proto MED METRIC bool ';' { BGP_CFG->med_metric = $4; } |
d1e146f2 | 106 | | bgp_proto IGP METRIC bool ';' { BGP_CFG->igp_metric = $4; } |
3228c72c | 107 | | bgp_proto PREFER OLDER bool ';' { BGP_CFG->prefer_older = $4; } |
be4cd99a | 108 | | bgp_proto DETERMINISTIC MED bool ';' { BGP_CFG->deterministic_med = $4; } |
e3f2d5fc MM |
109 | | bgp_proto DEFAULT BGP_MED expr ';' { BGP_CFG->default_med = $4; } |
110 | | bgp_proto DEFAULT BGP_LOCAL_PREF expr ';' { BGP_CFG->default_local_pref = $4; } | |
d15b0b0a | 111 | | bgp_proto SOURCE ADDRESS ipa ';' { BGP_CFG->local_ip = $4; } |
6cf72d7a OZ |
112 | | 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); } |
113 | | bgp_proto CONNECT DELAY TIME expr ';' { BGP_CFG->connect_delay_time = $5; } | |
114 | | bgp_proto CONNECT RETRY TIME expr ';' { BGP_CFG->connect_retry_time = $5; } | |
115 | | bgp_proto KEEPALIVE TIME expr ';' { BGP_CFG->keepalive_time = $4; } | |
523f020b | 116 | | bgp_proto ERROR FORGET TIME expr ';' { BGP_CFG->error_amnesia_time = $5; } |
e3f2d5fc | 117 | | bgp_proto ERROR WAIT TIME expr ',' expr ';' { BGP_CFG->error_delay_time_min = $5; BGP_CFG->error_delay_time_max = $7; } |
7294f68b | 118 | | bgp_proto DISABLE AFTER ERROR bool ';' { BGP_CFG->disable_after_error = $5; } |
bf47fe4b | 119 | | bgp_proto ENABLE ROUTE REFRESH bool ';' { BGP_CFG->enable_refresh = $5; } |
ba5ed6f3 | 120 | | bgp_proto ENABLE AS4 bool ';' { BGP_CFG->enable_as4 = $4; } |
06e0d1b6 | 121 | | bgp_proto ENABLE EXTENDED MESSAGES bool ';' { BGP_CFG->enable_extended_messages = $5; } |
e8ba557c | 122 | | bgp_proto CAPABILITIES bool ';' { BGP_CFG->capabilities = $3; } |
9eceab33 | 123 | | bgp_proto PASSWORD text ';' { BGP_CFG->password = $3; } |
a7baa098 | 124 | | bgp_proto SETKEY bool ';' { BGP_CFG->setkey = $3; } |
be6e39eb | 125 | | bgp_proto PASSIVE bool ';' { BGP_CFG->passive = $3; } |
41677025 | 126 | | bgp_proto INTERPRET COMMUNITIES bool ';' { BGP_CFG->interpret_communities = $4; } |
a15dab76 OZ |
127 | | bgp_proto ALLOW LOCAL AS ';' { BGP_CFG->allow_local_as = -1; } |
128 | | bgp_proto ALLOW LOCAL AS expr ';' { BGP_CFG->allow_local_as = $5; } | |
0c791f87 OZ |
129 | | bgp_proto GRACEFUL RESTART bool ';' { BGP_CFG->gr_mode = $4; } |
130 | | bgp_proto GRACEFUL RESTART AWARE ';' { BGP_CFG->gr_mode = BGP_GR_AWARE; } | |
131 | | bgp_proto GRACEFUL RESTART TIME expr ';' { BGP_CFG->gr_time = $5; } | |
b1b19433 | 132 | | bgp_proto TTL SECURITY bool ';' { BGP_CFG->ttl_security = $4; } |
523f020b | 133 | | bgp_proto CHECK LINK bool ';' { BGP_CFG->check_link = $4; } |
1ec52253 | 134 | | bgp_proto BFD bool ';' { BGP_CFG->bfd = $3; cf_check_bfd($3); } |
2638249d MM |
135 | ; |
136 | ||
d15b0b0a OZ |
137 | bgp_afi: |
138 | IPV4 { $$ = BGP_AF_IPV4; } | |
139 | | IPV6 { $$ = BGP_AF_IPV6; } | |
140 | | IPV4 MULTICAST { $$ = BGP_AF_IPV4_MC; } | |
141 | | IPV6 MULTICAST { $$ = BGP_AF_IPV6_MC; } | |
ac3ad139 OZ |
142 | | FLOW4 { $$ = BGP_AF_FLOW4; } |
143 | | FLOW6 { $$ = BGP_AF_FLOW6; } | |
d15b0b0a OZ |
144 | ; |
145 | ||
146 | bgp_channel_start: bgp_afi | |
147 | { | |
148 | const struct bgp_af_desc *desc = bgp_get_af_desc($1); | |
149 | ||
150 | if (!desc) | |
151 | cf_error("Unknown AFI/SAFI"); | |
152 | ||
153 | this_channel = channel_config_new(&channel_bgp, desc->net, this_proto); | |
154 | BGP_CC->c.name = desc->name; | |
f8aad5d5 | 155 | BGP_CC->c.ra_mode = RA_UNDEF; |
d15b0b0a OZ |
156 | BGP_CC->afi = $1; |
157 | BGP_CC->gr_able = 0xff; /* undefined */ | |
158 | }; | |
159 | ||
160 | bgp_channel_item: | |
161 | channel_item | |
162 | | NEXT HOP ADDRESS ipa { BGP_CC->next_hop_addr = $4; } | |
163 | | NEXT HOP SELF { BGP_CC->next_hop_self = 1; BGP_CC->next_hop_keep = 0; } | |
164 | | NEXT HOP KEEP { BGP_CC->next_hop_keep = 1; BGP_CC->next_hop_self = 0; } | |
165 | | MISSING LLADDR SELF { BGP_CC->missing_lladdr = MLL_SELF; } | |
166 | | MISSING LLADDR DROP { BGP_CC->missing_lladdr = MLL_DROP; } | |
167 | | MISSING LLADDR IGNORE { BGP_CC->missing_lladdr = MLL_IGNORE; } | |
168 | | GATEWAY DIRECT { BGP_CC->gw_mode = GW_DIRECT; } | |
169 | | GATEWAY RECURSIVE { BGP_CC->gw_mode = GW_RECURSIVE; } | |
170 | | SECONDARY bool { BGP_CC->secondary = $2; } | |
171 | | GRACEFUL RESTART bool { BGP_CC->gr_able = $3; } | |
172 | | ADD PATHS RX { BGP_CC->add_path = BGP_ADD_PATH_RX; } | |
173 | | ADD PATHS TX { BGP_CC->add_path = BGP_ADD_PATH_TX; } | |
174 | | ADD PATHS bool { BGP_CC->add_path = $3 ? BGP_ADD_PATH_FULL : 0; } | |
175 | | IGP TABLE rtable { BGP_CC->igp_table = $3; } | |
176 | ; | |
177 | ||
178 | bgp_channel_opts: | |
179 | /* empty */ | |
180 | | bgp_channel_opts bgp_channel_item ';' | |
181 | ; | |
182 | ||
183 | bgp_channel_opt_list: | |
184 | /* empty */ | |
185 | | '{' bgp_channel_opts '}' | |
186 | ; | |
187 | ||
188 | bgp_channel_end: | |
189 | { | |
190 | if (!this_channel->table) | |
191 | cf_error("Routing table not specified"); | |
192 | ||
193 | this_channel = NULL; | |
194 | }; | |
195 | ||
196 | bgp_proto_channel: bgp_channel_start bgp_channel_opt_list bgp_channel_end; | |
197 | ||
198 | ||
56a2bed4 | 199 | CF_ADDTO(dynamic_attr, BGP_ORIGIN |
cea63664 | 200 | { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_ENUM_BGP_ORIGIN, EA_CODE(EAP_BGP, BA_ORIGIN)); }) |
126683fe OZ |
201 | CF_ADDTO(dynamic_attr, BGP_PATH |
202 | { $$ = f_new_dynamic_attr(EAF_TYPE_AS_PATH, T_PATH, EA_CODE(EAP_BGP, BA_AS_PATH)); }) | |
56a2bed4 MM |
203 | CF_ADDTO(dynamic_attr, BGP_NEXT_HOP |
204 | { $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, T_IP, EA_CODE(EAP_BGP, BA_NEXT_HOP)); }) | |
126683fe OZ |
205 | CF_ADDTO(dynamic_attr, BGP_MED |
206 | { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_MULTI_EXIT_DISC)); }) | |
207 | CF_ADDTO(dynamic_attr, BGP_LOCAL_PREF | |
208 | { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_LOCAL_PREF)); }) | |
56a2bed4 MM |
209 | CF_ADDTO(dynamic_attr, BGP_ATOMIC_AGGR |
210 | { $$ = f_new_dynamic_attr(EAF_TYPE_OPAQUE, T_ENUM_EMPTY, EA_CODE(EAP_BGP, BA_ATOMIC_AGGR)); }) | |
211 | CF_ADDTO(dynamic_attr, BGP_AGGREGATOR | |
212 | { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_AGGREGATOR)); }) | |
213 | CF_ADDTO(dynamic_attr, BGP_COMMUNITY | |
214 | { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(EAP_BGP, BA_COMMUNITY)); }) | |
126683fe OZ |
215 | CF_ADDTO(dynamic_attr, BGP_ORIGINATOR_ID |
216 | { $$ = f_new_dynamic_attr(EAF_TYPE_ROUTER_ID, T_QUAD, EA_CODE(EAP_BGP, BA_ORIGINATOR_ID)); }) | |
217 | CF_ADDTO(dynamic_attr, BGP_CLUSTER_LIST | |
218 | { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(EAP_BGP, BA_CLUSTER_LIST)); }) | |
42a0c054 OZ |
219 | CF_ADDTO(dynamic_attr, BGP_EXT_COMMUNITY |
220 | { $$ = f_new_dynamic_attr(EAF_TYPE_EC_SET, T_ECLIST, EA_CODE(EAP_BGP, BA_EXT_COMMUNITY)); }) | |
66dbdbd9 OZ |
221 | CF_ADDTO(dynamic_attr, BGP_LARGE_COMMUNITY |
222 | { $$ = f_new_dynamic_attr(EAF_TYPE_LC_SET, T_LCLIST, EA_CODE(EAP_BGP, BA_LARGE_COMMUNITY)); }) | |
42a0c054 | 223 | |
126683fe | 224 | |
12d5677a | 225 | |
cea63664 MM |
226 | CF_ENUM(T_ENUM_BGP_ORIGIN, ORIGIN_, IGP, EGP, INCOMPLETE) |
227 | ||
2638249d MM |
228 | CF_CODE |
229 | ||
230 | CF_END |