1 /* Opaque data for Zebra from other daemons.
3 * Copyright (C) 2021 Donatas Abraitis <donatas.abraitis@gmail.com>
5 * This file is part of FRRouting (FRR).
7 * FRR is free software; you can redistribute it and/or modify it under the
8 * terms of the GNU General Public License as published by the Free Software
9 * Foundation; either version 2, or (at your option) any later version.
11 * FRR is distributed in the hope that it will be useful, but WITHOUT ANY
12 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16 * You should have received a copy of the GNU General Public License along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef FRR_ROUTE_OPAQUE_H
22 #define FRR_ROUTE_OPAQUE_H
27 /* copied from bgpd/bgp_community.h */
28 #define COMMUNITY_SIZE 4
29 /* copied from bgpd/bgp_lcommunity.h */
30 #define LCOMMUNITY_SIZE 12
31 /* copied from bgpd/bgp_route.h */
32 #define BGP_MAX_SELECTION_REASON_STR_BUF 32
34 struct bgp_zebra_opaque
{
37 /* Show at least 10 communities AA:BB */
38 char community
[COMMUNITY_SIZE
* 20];
40 /* Show at least 10 large-communities AA:BB:CC */
41 char lcommunity
[LCOMMUNITY_SIZE
* 30];
43 /* 32 bytes seems enough because of
44 * bgp_path_selection_confed_as_path which is
45 * `Confederation based AS Path`.
47 char selection_reason
[BGP_MAX_SELECTION_REASON_STR_BUF
];
50 struct ospf_zebra_opaque
{
52 char area_id
[INET_ADDRSTRLEN
];
56 static_assert(sizeof(struct bgp_zebra_opaque
) <= ZAPI_MESSAGE_OPAQUE_LENGTH
,
57 "BGP opaque data shouldn't be larger than zebra's buffer");
58 static_assert(sizeof(struct ospf_zebra_opaque
) <= ZAPI_MESSAGE_OPAQUE_LENGTH
,
59 "OSPF opaque data shouldn't be larger than zebra's buffer");
61 #endif /* FRR_ROUTE_OPAQUE_H */