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81 lines
1.9 KiB
Plaintext
81 lines
1.9 KiB
Plaintext
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/*
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* BIRD -- Layer3 VPN Protocol Configuration
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*
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* (c) 2011-2013 Yandex, LLC
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* Author: Alexander V. Chernikov <melifaro@yandex-team.ru>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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CF_HDR
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#include "proto/l3vpn/l3vpn.h"
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CF_DEFINES
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#define L3VPN_CFG ((struct l3vpn_config *) this_proto)
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CF_DECLS
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CF_KEYWORDS(L3VPN, RD, LABEL, AUTO)
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CF_GRAMMAR
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CF_ADDTO(proto, l3vpn_proto l3vpn_proto_end '}' )
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l3vpn_proto_start: proto_start L3VPN {
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this_proto = proto_config_new(&proto_l3vpn, $1);
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};
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l3vpn_proto:
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l3vpn_proto_start proto_name '{'
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| l3vpn_proto proto_item ';'
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| l3vpn_proto proto_channel ';' {
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switch (((struct channel_config *)$2)->net_type) {
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case NET_IP4:
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case NET_IP6:
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if (L3VPN_CFG->ip)
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cf_error("Multiple IP channels not supported");
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if (L3VPN_CFG->vpn &&
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((L3VPN_CFG->vpn->net_type == NET_VPN4 && ((struct channel_config *)$2)->net_type == NET_IP6)
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|| (L3VPN_CFG->vpn->net_type == NET_VPN6 && ((struct channel_config *)$2)->net_type == NET_IP4)))
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cf_error("Mismatched IP/VPN families");
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L3VPN_CFG->ip = $2;
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break;
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case NET_VPN4:
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case NET_VPN6:
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if (L3VPN_CFG->vpn)
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cf_error("Multiple VPN channels not supported");
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if (L3VPN_CFG->ip &&
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((L3VPN_CFG->ip->net_type == NET_IP4 && ((struct channel_config *)$2)->net_type == NET_VPN6)
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|| (L3VPN_CFG->ip->net_type == NET_IP6 && ((struct channel_config *)$2)->net_type == NET_VPN4)))
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cf_error("Mismatched IP/VPN families");
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L3VPN_CFG->vpn = $2;
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break;
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case NET_MPLS:
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if (L3VPN_CFG->mpls)
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cf_error("Multiple MPLS channels not supported");
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else
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L3VPN_CFG->mpls = $2;
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break;
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default:
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cf_error("Unsupported channel type");
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}
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}
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| l3vpn_proto RD VPN_RD ';' { L3VPN_CFG->rd = $3; }
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;
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l3vpn_proto_end:
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{
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if ((!L3VPN_CFG->ip) || (!L3VPN_CFG->vpn) || (!L3VPN_CFG->mpls))
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cf_error("Need all IP, VPN and MPLS channels configured.");
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}
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CF_CODE
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CF_END
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