mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-12-22 17:51:53 +00:00
87 lines
1.9 KiB
Plaintext
87 lines
1.9 KiB
Plaintext
/*
|
|
* BIRD -- BGP/MPLS Ethernet Virtual Private Networks (EVPN)
|
|
*
|
|
* (c) 2023 Ondrej Zajicek <santiago@crfreenet.org>
|
|
* (c) 2023 CZ.NIC z.s.p.o.
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
CF_HDR
|
|
|
|
#include "proto/evpn/evpn.h"
|
|
|
|
|
|
CF_DEFINES
|
|
|
|
#define EVPN_CFG ((struct evpn_config *) this_proto)
|
|
|
|
|
|
CF_DECLS
|
|
|
|
CF_KEYWORDS(EVPN, ROUTE, IMPORT, EXPORT, TARGET, RD, DISTINGUISHER, TUNNEL, DEVICE, VNI, VID)
|
|
|
|
%type <e> evpn_targets
|
|
%type <cc> evpn_channel_start evpn_channel
|
|
|
|
|
|
CF_GRAMMAR
|
|
|
|
proto: evpn_proto;
|
|
|
|
|
|
evpn_channel_start: net_type_base
|
|
{
|
|
/* Redefining proto_channel to change default values */
|
|
$$ = this_channel = channel_config_get(NULL, net_label[$1], $1, this_proto);
|
|
if (!this_channel->copy)
|
|
{
|
|
this_channel->out_filter = FILTER_ACCEPT;
|
|
this_channel->preference = ($1 == NET_ETH) ?
|
|
DEF_PREF_L3VPN_IMPORT :
|
|
DEF_PREF_L3VPN_EXPORT;
|
|
}
|
|
};
|
|
|
|
evpn_channel: evpn_channel_start channel_opt_list channel_end;
|
|
|
|
evpn_proto_start: proto_start EVPN
|
|
{
|
|
this_proto = proto_config_new(&proto_evpn, $1);
|
|
};
|
|
|
|
|
|
evpn_proto_item:
|
|
proto_item
|
|
| evpn_channel
|
|
| mpls_channel
|
|
| RD VPN_RD { EVPN_CFG->rd = $2; }
|
|
| ROUTE DISTINGUISHER VPN_RD { EVPN_CFG->rd = $3; }
|
|
| IMPORT TARGET evpn_targets { EVPN_CFG->import_target = $3; }
|
|
| EXPORT TARGET evpn_targets { EVPN_CFG->export_target = $3; }
|
|
| ROUTE TARGET evpn_targets { EVPN_CFG->import_target = EVPN_CFG->export_target = $3; }
|
|
| TUNNEL DEVICE text { EVPN_CFG->tunnel_dev = if_get_by_name($3); }
|
|
| ROUTER ADDRESS ipa { EVPN_CFG->router_addr = $3; }
|
|
| VNI expr { EVPN_CFG->vni = $2; }
|
|
| VID expr { EVPN_CFG->vid = $2; if ($2 > 4095) cf_error("VID must be in range 0-4095"); }
|
|
;
|
|
|
|
evpn_proto_opts:
|
|
/* empty */
|
|
| evpn_proto_opts evpn_proto_item ';'
|
|
;
|
|
|
|
evpn_proto:
|
|
evpn_proto_start proto_name '{' evpn_proto_opts '}';
|
|
|
|
|
|
evpn_targets:
|
|
ec_item { f_tree_only_rt($1); $$ = $1; }
|
|
| '[' ec_items ']' { f_tree_only_rt($2); $$ = build_tree($2); }
|
|
;
|
|
|
|
|
|
CF_CODE
|
|
|
|
CF_END
|