diff options
Diffstat (limited to 'proto/bgp/config.Y')
| -rw-r--r-- | proto/bgp/config.Y | 166 |
1 files changed, 125 insertions, 41 deletions
diff --git a/proto/bgp/config.Y b/proto/bgp/config.Y index 075403a3..41eaa729 100644 --- a/proto/bgp/config.Y +++ b/proto/bgp/config.Y @@ -13,21 +13,24 @@ CF_HDR CF_DEFINES #define BGP_CFG ((struct bgp_config *) this_proto) +#define BGP_CC ((struct bgp_channel_config *) this_channel) CF_DECLS -CF_KEYWORDS(BGP, LOCAL, NEIGHBOR, AS, HOLD, TIME, CONNECT, RETRY, - KEEPALIVE, MULTIHOP, STARTUP, VIA, NEXT, HOP, SELF, DEFAULT, - PATH, METRIC, ERROR, START, DELAY, FORGET, WAIT, ENABLE, - DISABLE, AFTER, BGP_PATH, BGP_LOCAL_PREF, BGP_MED, BGP_ORIGIN, - BGP_NEXT_HOP, BGP_ATOMIC_AGGR, BGP_AGGREGATOR, BGP_COMMUNITY, - BGP_EXT_COMMUNITY, SOURCE, ADDRESS, PASSWORD, RR, RS, CLIENT, - CLUSTER, ID, AS4, ADVERTISE, IPV4, CAPABILITIES, LIMIT, PASSIVE, - PREFER, OLDER, MISSING, LLADDR, DROP, IGNORE, ROUTE, REFRESH, - INTERPRET, COMMUNITIES, BGP_ORIGINATOR_ID, BGP_CLUSTER_LIST, IGP, - TABLE, GATEWAY, DIRECT, RECURSIVE, MED, TTL, SECURITY, DETERMINISTIC, - SECONDARY, ALLOW, BFD, ADD, PATHS, RX, TX, GRACEFUL, RESTART, AWARE, - CHECK, LINK, PORT, EXTENDED, MESSAGES, SETKEY, BGP_LARGE_COMMUNITY) +CF_KEYWORDS(BGP, LOCAL, NEIGHBOR, AS, HOLD, TIME, CONNECT, RETRY, KEEPALIVE, + MULTIHOP, STARTUP, VIA, NEXT, HOP, SELF, DEFAULT, PATH, METRIC, ERROR, + START, DELAY, FORGET, WAIT, ENABLE, DISABLE, AFTER, BGP_PATH, + BGP_LOCAL_PREF, BGP_MED, BGP_ORIGIN, BGP_NEXT_HOP, BGP_ATOMIC_AGGR, + BGP_AGGREGATOR, BGP_COMMUNITY, BGP_EXT_COMMUNITY, BGP_LARGE_COMMUNITY, + SOURCE, ADDRESS, PASSWORD, RR, RS, CLIENT, CLUSTER, ID, AS4, ADVERTISE, + IPV4, CAPABILITIES, LIMIT, PASSIVE, PREFER, OLDER, MISSING, LLADDR, + DROP, IGNORE, ROUTE, REFRESH, INTERPRET, COMMUNITIES, BGP_ORIGINATOR_ID, + BGP_CLUSTER_LIST, IGP, TABLE, GATEWAY, DIRECT, RECURSIVE, MED, TTL, + SECURITY, DETERMINISTIC, SECONDARY, ALLOW, BFD, ADD, PATHS, RX, TX, + GRACEFUL, RESTART, AWARE, CHECK, LINK, PORT, EXTENDED, MESSAGES, SETKEY, + STRICT, BIND, CONFEDERATION, MEMBER, MULTICAST, FLOW4, FLOW6) + +%type <i32> bgp_afi CF_KEYWORDS(CEASE, PREFIX, LIMIT, HIT, ADMINISTRATIVE, SHUTDOWN, RESET, PEER, CONFIGURATION, CHANGE, DECONFIGURED, CONNECTION, REJECTED, COLLISION, @@ -37,10 +40,11 @@ CF_KEYWORDS(CEASE, PREFIX, LIMIT, HIT, ADMINISTRATIVE, SHUTDOWN, RESET, PEER, CF_GRAMMAR -CF_ADDTO(proto, bgp_proto '}' { bgp_check_config(BGP_CFG); } ) +CF_ADDTO(proto, bgp_proto '}' ) bgp_proto_start: proto_start BGP { this_proto = proto_config_new(&proto_bgp, $1); + BGP_CFG->local_port = BGP_PORT; BGP_CFG->remote_port = BGP_PORT; BGP_CFG->multihop = -1; /* undefined */ BGP_CFG->hold_time = 240; @@ -55,18 +59,24 @@ bgp_proto_start: proto_start BGP { BGP_CFG->enable_refresh = 1; BGP_CFG->enable_as4 = 1; BGP_CFG->capabilities = 2; - BGP_CFG->advertise_ipv4 = 1; BGP_CFG->interpret_communities = 1; BGP_CFG->default_local_pref = 100; BGP_CFG->gr_mode = BGP_GR_AWARE; BGP_CFG->gr_time = 120; BGP_CFG->setkey = 1; - } + BGP_CFG->check_link = -1; + } + ; + +bgp_loc_opts: + /* empty */ + | bgp_loc_opts PORT expr { BGP_CFG->local_port = $3; if (($3<1) || ($3>65535)) cf_error("Invalid port number"); } + | bgp_loc_opts AS expr { BGP_CFG->local_as = $3; } ; bgp_nbr_opts: /* empty */ - | bgp_nbr_opts PORT expr { BGP_CFG->remote_port = $3; if (($3<1) || ($3>65535)) cf_error("Invalid port number"); } + | bgp_nbr_opts PORT expr { BGP_CFG->remote_port = $3; if (($3<1) || ($3>65535)) cf_error("Invalid port number"); } | bgp_nbr_opts AS expr { BGP_CFG->remote_as = $3; } ; @@ -96,8 +106,12 @@ bgp_cease_flag: bgp_proto: bgp_proto_start proto_name '{' | bgp_proto proto_item ';' - | bgp_proto LOCAL AS expr ';' { BGP_CFG->local_as = $4; } - | bgp_proto LOCAL ipa AS expr ';' { BGP_CFG->source_addr = $3; BGP_CFG->local_as = $5; } + | bgp_proto bgp_proto_channel ';' + | bgp_proto LOCAL bgp_loc_opts ';' + | bgp_proto LOCAL ipa ipa_scope bgp_loc_opts ';' { + BGP_CFG->local_ip = $3; + if ($4) BGP_CFG->iface = $4; + } | bgp_proto NEIGHBOR bgp_nbr_opts ';' | bgp_proto NEIGHBOR ipa ipa_scope bgp_nbr_opts ';' { if (ipa_nonzero(BGP_CFG->remote_ip)) @@ -107,20 +121,16 @@ bgp_proto: } | bgp_proto INTERFACE TEXT ';' { BGP_CFG->iface = if_get_by_name($3); } | bgp_proto RR CLUSTER ID idval ';' { BGP_CFG->rr_cluster_id = $5; } - | bgp_proto RR CLIENT ';' { BGP_CFG->rr_client = 1; } - | bgp_proto RS CLIENT ';' { BGP_CFG->rs_client = 1; } + | bgp_proto RR CLIENT bool ';' { BGP_CFG->rr_client = $4; } + | bgp_proto RS CLIENT bool ';' { BGP_CFG->rs_client = $4; } + | bgp_proto CONFEDERATION expr ';' { BGP_CFG->confederation = $3; } + | bgp_proto CONFEDERATION MEMBER bool ';' { BGP_CFG->confederation_member = $4; } | bgp_proto HOLD TIME expr ';' { BGP_CFG->hold_time = $4; } | bgp_proto STARTUP HOLD TIME expr ';' { BGP_CFG->initial_hold_time = $5; } | bgp_proto DIRECT ';' { BGP_CFG->multihop = 0; } | bgp_proto MULTIHOP ';' { BGP_CFG->multihop = 64; } | bgp_proto MULTIHOP expr ';' { BGP_CFG->multihop = $3; if (($3<1) || ($3>255)) cf_error("Multihop must be in range 1-255"); } - | bgp_proto NEXT HOP SELF ';' { BGP_CFG->next_hop_self = 1; BGP_CFG->next_hop_keep = 0; } - | bgp_proto NEXT HOP KEEP ';' { BGP_CFG->next_hop_keep = 1; BGP_CFG->next_hop_self = 0; } - | bgp_proto MISSING LLADDR SELF ';' { BGP_CFG->missing_lladdr = MLL_SELF; } - | bgp_proto MISSING LLADDR DROP ';' { BGP_CFG->missing_lladdr = MLL_DROP; } - | bgp_proto MISSING LLADDR IGNORE ';' { BGP_CFG->missing_lladdr = MLL_IGNORE; } - | bgp_proto GATEWAY DIRECT ';' { BGP_CFG->gw_mode = GW_DIRECT; } - | bgp_proto GATEWAY RECURSIVE ';' { BGP_CFG->gw_mode = GW_RECURSIVE; } + | bgp_proto STRICT BIND bool ';' { BGP_CFG->strict_bind = $4; } | bgp_proto PATH METRIC bool ';' { BGP_CFG->compare_path_lengths = $4; } | bgp_proto MED METRIC bool ';' { BGP_CFG->med_metric = $4; } | bgp_proto IGP METRIC bool ';' { BGP_CFG->igp_metric = $4; } @@ -128,7 +138,7 @@ bgp_proto: | bgp_proto DETERMINISTIC MED bool ';' { BGP_CFG->deterministic_med = $4; } | bgp_proto DEFAULT BGP_MED expr ';' { BGP_CFG->default_med = $4; } | bgp_proto DEFAULT BGP_LOCAL_PREF expr ';' { BGP_CFG->default_local_pref = $4; } - | bgp_proto SOURCE ADDRESS ipa ';' { BGP_CFG->source_addr = $4; } + | bgp_proto SOURCE ADDRESS ipa ';' { BGP_CFG->local_ip = $4; } | 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); } | bgp_proto CONNECT DELAY TIME expr ';' { BGP_CFG->connect_delay_time = $5; } | bgp_proto CONNECT RETRY TIME expr ';' { BGP_CFG->connect_retry_time = $5; } @@ -141,33 +151,107 @@ bgp_proto: | bgp_proto ENABLE AS4 bool ';' { BGP_CFG->enable_as4 = $4; } | bgp_proto ENABLE EXTENDED MESSAGES bool ';' { BGP_CFG->enable_extended_messages = $5; } | bgp_proto CAPABILITIES bool ';' { BGP_CFG->capabilities = $3; } - | bgp_proto ADVERTISE IPV4 bool ';' { BGP_CFG->advertise_ipv4 = $4; } | bgp_proto PASSWORD text ';' { BGP_CFG->password = $3; } | bgp_proto SETKEY bool ';' { BGP_CFG->setkey = $3; } - | bgp_proto ROUTE LIMIT expr ';' { - this_proto->in_limit = cfg_allocz(sizeof(struct proto_limit)); - this_proto->in_limit->limit = $4; - this_proto->in_limit->action = PLA_RESTART; - log(L_WARN "%s: Route limit option is deprecated, use import limit", this_proto->name); - } | bgp_proto PASSIVE bool ';' { BGP_CFG->passive = $3; } | bgp_proto INTERPRET COMMUNITIES bool ';' { BGP_CFG->interpret_communities = $4; } - | bgp_proto SECONDARY bool ';' { BGP_CFG->secondary = $3; } - | bgp_proto ADD PATHS RX ';' { BGP_CFG->add_path = ADD_PATH_RX; } - | bgp_proto ADD PATHS TX ';' { BGP_CFG->add_path = ADD_PATH_TX; } - | bgp_proto ADD PATHS bool ';' { BGP_CFG->add_path = $4 ? ADD_PATH_FULL : 0; } - | bgp_proto ALLOW BGP_LOCAL_PREF bool ';' { BGP_CFG->allow_local_pref = $4; } | bgp_proto ALLOW LOCAL AS ';' { BGP_CFG->allow_local_as = -1; } | bgp_proto ALLOW LOCAL AS expr ';' { BGP_CFG->allow_local_as = $5; } + | bgp_proto ALLOW BGP_LOCAL_PREF bool ';' { BGP_CFG->allow_local_pref = $4; } | bgp_proto GRACEFUL RESTART bool ';' { BGP_CFG->gr_mode = $4; } | bgp_proto GRACEFUL RESTART AWARE ';' { BGP_CFG->gr_mode = BGP_GR_AWARE; } | bgp_proto GRACEFUL RESTART TIME expr ';' { BGP_CFG->gr_time = $5; } - | bgp_proto IGP TABLE rtable ';' { BGP_CFG->igp_table = $4; } | bgp_proto TTL SECURITY bool ';' { BGP_CFG->ttl_security = $4; } | bgp_proto CHECK LINK bool ';' { BGP_CFG->check_link = $4; } | bgp_proto BFD bool ';' { BGP_CFG->bfd = $3; cf_check_bfd($3); } ; +bgp_afi: + IPV4 { $$ = BGP_AF_IPV4; } + | IPV6 { $$ = BGP_AF_IPV6; } + | IPV4 MULTICAST { $$ = BGP_AF_IPV4_MC; } + | IPV6 MULTICAST { $$ = BGP_AF_IPV6_MC; } + | IPV4 MPLS { $$ = BGP_AF_IPV4_MPLS; } + | IPV6 MPLS { $$ = BGP_AF_IPV6_MPLS; } + | VPN4 MPLS { $$ = BGP_AF_VPN4_MPLS; } + | VPN6 MPLS { $$ = BGP_AF_VPN6_MPLS; } + | VPN4 MULTICAST { $$ = BGP_AF_VPN4_MC; } + | VPN6 MULTICAST { $$ = BGP_AF_VPN6_MC; } + | FLOW4 { $$ = BGP_AF_FLOW4; } + | FLOW6 { $$ = BGP_AF_FLOW6; } + ; + +bgp_channel_start: bgp_afi +{ + const struct bgp_af_desc *desc = bgp_get_af_desc($1); + + if (!desc) + cf_error("Unknown AFI/SAFI"); + + this_channel = channel_config_get(&channel_bgp, desc->name, desc->net, this_proto); + + /* New channel */ + if (!BGP_CC->desc) + { + BGP_CC->c.in_filter = FILTER_UNDEF; + BGP_CC->c.out_filter = FILTER_UNDEF; + BGP_CC->c.ra_mode = RA_UNDEF; + BGP_CC->afi = $1; + BGP_CC->desc = desc; + BGP_CC->gr_able = 0xff; /* undefined */ + } +}; + +bgp_channel_item: + channel_item + | NEXT HOP ADDRESS ipa { BGP_CC->next_hop_addr = $4; } + | NEXT HOP SELF { BGP_CC->next_hop_self = 1; BGP_CC->next_hop_keep = 0; } + | NEXT HOP KEEP { BGP_CC->next_hop_keep = 1; BGP_CC->next_hop_self = 0; } + | MISSING LLADDR SELF { BGP_CC->missing_lladdr = MLL_SELF; } + | MISSING LLADDR DROP { BGP_CC->missing_lladdr = MLL_DROP; } + | MISSING LLADDR IGNORE { BGP_CC->missing_lladdr = MLL_IGNORE; } + | GATEWAY DIRECT { BGP_CC->gw_mode = GW_DIRECT; } + | GATEWAY RECURSIVE { BGP_CC->gw_mode = GW_RECURSIVE; } + | SECONDARY bool { BGP_CC->secondary = $2; } + | GRACEFUL RESTART bool { BGP_CC->gr_able = $3; } + | EXTENDED NEXT HOP bool { BGP_CC->ext_next_hop = $4; } + | ADD PATHS RX { BGP_CC->add_path = BGP_ADD_PATH_RX; } + | ADD PATHS TX { BGP_CC->add_path = BGP_ADD_PATH_TX; } + | ADD PATHS bool { BGP_CC->add_path = $3 ? BGP_ADD_PATH_FULL : 0; } + | IGP TABLE rtable { + if (BGP_CC->desc->no_igp) + cf_error("IGP table not allowed here"); + + 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"); + } + ; + +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; + + CF_ADDTO(dynamic_attr, BGP_ORIGIN { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_ENUM_BGP_ORIGIN, EA_CODE(EAP_BGP, BA_ORIGIN)); }) CF_ADDTO(dynamic_attr, BGP_PATH |