diff options
Diffstat (limited to 'proto/ospf/config.Y')
-rw-r--r-- | proto/ospf/config.Y | 139 |
1 files changed, 105 insertions, 34 deletions
diff --git a/proto/ospf/config.Y b/proto/ospf/config.Y index 7b35b191..98ddf5d0 100644 --- a/proto/ospf/config.Y +++ b/proto/ospf/config.Y @@ -78,14 +78,66 @@ static void ospf_proto_finish(void) { struct ospf_config *cf = OSPF_CFG; + struct ospf_area_config *ac; + struct ospf_iface_patt *ic; + + /* Define default channel */ + if (EMPTY_LIST(this_proto->channels)) + { + this_proto->net_type = ospf_cfg_is_v2() ? NET_IP4 : NET_IP6; + channel_config_new(NULL, this_proto->net_type, this_proto); + } + + /* Propagate global instance ID to interfaces */ + if (cf->instance_id_set) + { + WALK_LIST(ac, cf->area_list) + WALK_LIST(ic, ac->patt_list) + if (!ic->instance_id_set) + { ic->instance_id = cf->instance_id; ic->instance_id_set = 1; } + + WALK_LIST(ic, cf->vlink_list) + if (!ic->instance_id_set) + { ic->instance_id = cf->instance_id; ic->instance_id_set = 1; } + } + + if (ospf_cfg_is_v3()) + { + uint ipv4 = (this_proto->net_type == NET_IP4); + uint base = (ipv4 ? 64 : 0) + (cf->af_mc ? 32 : 0); + + /* RFC 5838 - OSPFv3-AF */ + if (cf->af_ext) + { + /* RFC 5838 2.1 - instance IDs based on AFs */ + WALK_LIST(ac, cf->area_list) + WALK_LIST(ic, ac->patt_list) + { + if (!ic->instance_id_set) + ic->instance_id = base; + else if (ic->instance_id >= 128) + log(L_WARN "Instance ID %d from unassigned/private range", ic->instance_id); + else if ((ic->instance_id < base) || (ic->instance_id >= (base + 32))) + cf_error("Instance ID %d invalid for given channel type", ic->instance_id); + } + + /* RFC 5838 2.8 - vlinks limited to IPv6 unicast */ + if ((ipv4 || cf->af_mc) && !EMPTY_LIST(cf->vlink_list)) + cf_error("Vlinks not supported in AFs other than IPv6 unicast"); + } + else + { + if (ipv4 || cf->af_mc) + cf_error("Different channel type"); + } + } if (EMPTY_LIST(cf->area_list)) - cf_error( "No configured areas in OSPF"); + cf_error("No configured areas in OSPF"); int areano = 0; int backbone = 0; int nssa = 0; - struct ospf_area_config *ac; WALK_LIST(ac, cf->area_list) { areano++; @@ -98,7 +150,7 @@ ospf_proto_finish(void) cf->abr = areano > 1; /* Route export or NSSA translation (RFC 3101 3.1) */ - cf->asbr = (this_proto->out_filter != FILTER_REJECT) || (nssa && cf->abr); + cf->asbr = (proto_cf_main_channel(this_proto)->out_filter != FILTER_REJECT) || (nssa && cf->abr); if (cf->abr && !backbone) { @@ -122,7 +174,7 @@ static inline void ospf_check_defcost(int cost) { if ((cost <= 0) || (cost >= LSINFINITY)) - cf_error("Default cost must be in range 1-%d", LSINFINITY-1); + cf_error("Default cost must be in range 1-%u", LSINFINITY-1); } static inline void @@ -135,8 +187,8 @@ ospf_check_auth(void) CF_DECLS -CF_KEYWORDS(OSPF, AREA, OSPF_METRIC1, OSPF_METRIC2, OSPF_TAG, OSPF_ROUTER_ID) -CF_KEYWORDS(NEIGHBORS, RFC1583COMPAT, STUB, TICK, COST, COST2, RETRANSMIT) +CF_KEYWORDS(OSPF, V2, V3, OSPF_METRIC1, OSPF_METRIC2, OSPF_TAG, OSPF_ROUTER_ID) +CF_KEYWORDS(AREA, NEIGHBORS, RFC1583COMPAT, STUB, TICK, COST, COST2, RETRANSMIT) CF_KEYWORDS(HELLO, TRANSMIT, PRIORITY, DEAD, TYPE, BROADCAST, BCAST, DEFAULT) CF_KEYWORDS(NONBROADCAST, NBMA, POINTOPOINT, PTP, POINTOMULTIPOINT, PTMP) CF_KEYWORDS(NONE, SIMPLE, AUTHENTICATION, STRICT, CRYPTOGRAPHIC, TTL, SECURITY) @@ -144,39 +196,67 @@ CF_KEYWORDS(ELIGIBLE, POLL, NETWORKS, HIDDEN, VIRTUAL, CHECK, LINK, ONLY, BFD) CF_KEYWORDS(RX, BUFFER, LARGE, NORMAL, STUBNET, HIDDEN, SUMMARY, TAG, EXTERNAL) CF_KEYWORDS(WAIT, DELAY, LSADB, ECMP, LIMIT, WEIGHT, NSSA, TRANSLATOR, STABILITY) CF_KEYWORDS(GLOBAL, LSID, ROUTER, SELF, INSTANCE, REAL, NETMASK, TX, PRIORITY, LENGTH) -CF_KEYWORDS(SECONDARY, MERGE, LSA, SUPPRESSION) +CF_KEYWORDS(SECONDARY, MERGE, LSA, SUPPRESSION, MULTICAST, RFC5838) -%type <t> opttext %type <ld> lsadb_args -%type <i> nbma_eligible +%type <i> ospf_variant ospf_af_mc nbma_eligible +%type <cc> ospf_channel_start ospf_channel CF_GRAMMAR CF_ADDTO(proto, ospf_proto '}' { ospf_proto_finish(); } ) -ospf_proto_start: proto_start OSPF { - this_proto = proto_config_new(&proto_ospf, $1); - init_list(&OSPF_CFG->area_list); - init_list(&OSPF_CFG->vlink_list); - OSPF_CFG->tick = OSPF_DEFAULT_TICK; - OSPF_CFG->ospf2 = OSPF_IS_V2; - } +ospf_variant: + OSPF { $$ = 1; } + | OSPF V2 { $$ = 1; } + | OSPF V3 { $$ = 0; } ; +ospf_proto_start: proto_start ospf_variant +{ + this_proto = proto_config_new(&proto_ospf, $1); + this_proto->net_type = $2 ? NET_IP4 : 0; + + init_list(&OSPF_CFG->area_list); + init_list(&OSPF_CFG->vlink_list); + OSPF_CFG->tick = OSPF_DEFAULT_TICK; + OSPF_CFG->ospf2 = $2; + OSPF_CFG->af_ext = !$2; +}; + ospf_proto: ospf_proto_start proto_name '{' | ospf_proto ospf_proto_item ';' ; +ospf_af_mc: + { $$ = 0; } + | MULTICAST { $$ = 1; } + ; + +/* We redefine proto_channel to add multicast flag */ +ospf_channel_start: net_type ospf_af_mc +{ + $$ = this_channel = channel_config_new(NULL, $1, this_proto); + + /* Save the multicast flag */ + if (this_channel == proto_cf_main_channel(this_proto)) + OSPF_CFG->af_mc = $2; +}; + +ospf_channel: ospf_channel_start channel_opt_list channel_end; + ospf_proto_item: proto_item + | ospf_channel { this_proto->net_type = $1->net_type; } | RFC1583COMPAT bool { OSPF_CFG->rfc1583 = $2; } + | RFC5838 bool { OSPF_CFG->af_ext = $2; if (!ospf_cfg_is_v3()) cf_error("RFC5838 option requires OSPFv3"); } | STUB ROUTER bool { OSPF_CFG->stub_router = $3; } | ECMP bool { OSPF_CFG->ecmp = $2 ? OSPF_DEFAULT_ECMP_LIMIT : 0; } - | ECMP bool LIMIT expr { OSPF_CFG->ecmp = $2 ? $4 : 0; if ($4 < 0) cf_error("ECMP limit cannot be negative"); } + | ECMP bool LIMIT expr { OSPF_CFG->ecmp = $2 ? $4 : 0; } | MERGE EXTERNAL bool { OSPF_CFG->merge_external = $3; } - | TICK expr { OSPF_CFG->tick = $2; if($2<=0) cf_error("Tick must be greater than zero"); } - | INSTANCE ID expr { OSPF_CFG->instance_id = $3; if (($3<0) || ($3>255)) cf_error("Instance ID must be in range 0-255"); } + | TICK expr { OSPF_CFG->tick = $2; if($2 <= 0) cf_error("Tick must be greater than zero"); } + | INSTANCE ID expr { OSPF_CFG->instance_id = $3; OSPF_CFG->instance_id_set = 1; if ($3 > 255) cf_error("Instance ID must be in range 0-255"); } | ospf_area ; @@ -226,10 +306,10 @@ ospf_stubnet: ; ospf_stubnet_start: - prefix { + net_ip { this_stubnet = cfg_allocz(sizeof(struct ospf_stubnet_config)); add_tail(&this_area->stubnet_list, NODE this_stubnet); - this_stubnet->px = $1; + this_stubnet->prefix = $1; this_stubnet->cost = COST_D; } ; @@ -281,7 +361,6 @@ ospf_vlink_start: VIRTUAL LINK idval OSPF_PATT->inftransdelay = INFTRANSDELAY_D; OSPF_PATT->deadc = DEADC_D; OSPF_PATT->type = OSPF_IT_VLINK; - OSPF_PATT->instance_id = OSPF_CFG->instance_id; init_list(&OSPF_PATT->nbma_list); reset_passwords(); } @@ -306,7 +385,7 @@ ospf_iface_item: | REAL BROADCAST bool { OSPF_PATT->real_bcast = $3; if (!ospf_cfg_is_v2()) cf_error("Real broadcast option requires OSPFv2"); } | PTP NETMASK bool { OSPF_PATT->ptp_netmask = $3; if (!ospf_cfg_is_v2()) cf_error("PtP netmask option requires OSPFv2"); } | TRANSMIT DELAY expr { OSPF_PATT->inftransdelay = $3 ; if (($3<=0) || ($3>65535)) cf_error("Transmit delay must be in range 1-65535"); } - | PRIORITY expr { OSPF_PATT->priority = $2 ; if (($2<0) || ($2>255)) cf_error("Priority must be in range 0-255"); } + | PRIORITY expr { OSPF_PATT->priority = $2 ; if ($2>255) cf_error("Priority must be in range 0-255"); } | STRICT NONBROADCAST bool { OSPF_PATT->strictnbma = $3 ; } | STUB bool { OSPF_PATT->stub = $2 ; } | CHECK LINK bool { OSPF_PATT->check_link = $3; } @@ -325,7 +404,6 @@ ospf_iface_item: | TTL SECURITY bool { OSPF_PATT->ttl_security = $3; } | TTL SECURITY TX ONLY { OSPF_PATT->ttl_security = 2; } | BFD bool { OSPF_PATT->bfd = $2; cf_check_bfd($2); } - | SECONDARY bool { OSPF_PATT->bsd_secondary = $2; } | password_list { ospf_check_auth(); } ; @@ -336,12 +414,11 @@ pref_list: pref_item: pref_base pref_opt ';' ; -pref_base: prefix +pref_base: net_ip { this_pref = cfg_allocz(sizeof(struct area_net_config)); add_tail(this_nets, NODE this_pref); - this_pref->px.addr = $1.addr; - this_pref->px.len = $1.len; + this_pref->prefix = $1; } ; @@ -383,7 +460,6 @@ ospf_iface_start: OSPF_PATT->priority = PRIORITY_D; OSPF_PATT->deadc = DEADC_D; OSPF_PATT->type = OSPF_IT_UNDEF; - OSPF_PATT->instance_id = OSPF_CFG->instance_id; init_list(&OSPF_PATT->nbma_list); OSPF_PATT->ptp_netmask = 2; /* not specified */ OSPF_PATT->tx_tos = IP_PREC_INTERNET_CONTROL; @@ -394,7 +470,7 @@ ospf_iface_start: ospf_instance_id: /* empty */ - | INSTANCE expr { OSPF_PATT->instance_id = $2; if (($2<0) || ($2>255)) cf_error("Instance ID must be in range 0-255"); } + | INSTANCE expr { OSPF_PATT->instance_id = $2; OSPF_PATT->instance_id_set = 1; if ($2 > 255) cf_error("Instance ID must be in range 0-255"); } ; ospf_iface_patt_list: @@ -415,11 +491,6 @@ ospf_iface: ospf_iface_start ospf_iface_patt_list ospf_iface_opt_list { ospf_iface_finish(); } ; -opttext: - TEXT - | /* empty */ { $$ = NULL; } - ; - CF_ADDTO(dynamic_attr, OSPF_METRIC1 { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_METRIC1); }) CF_ADDTO(dynamic_attr, OSPF_METRIC2 { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_METRIC2); }) CF_ADDTO(dynamic_attr, OSPF_TAG { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_OSPF_TAG); }) |