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94effaf0 DA |
1 | /* Opaque data for Zebra from other daemons. |
2 | * | |
3 | * Copyright (C) 2021 Donatas Abraitis <donatas.abraitis@gmail.com> | |
4 | * | |
5 | * This file is part of FRRouting (FRR). | |
6 | * | |
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. | |
10 | * | |
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 | |
14 | * details. | |
15 | * | |
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 | |
19 | */ | |
20 | ||
21 | #ifndef FRR_ROUTE_OPAQUE_H | |
22 | #define FRR_ROUTE_OPAQUE_H | |
23 | ||
b5bb70e3 IR |
24 | #include "assert.h" |
25 | #include "zclient.h" | |
26 | ||
959331a3 RW |
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 | |
94effaf0 DA |
33 | |
34 | struct bgp_zebra_opaque { | |
a9bf0ff2 | 35 | char aspath[256]; |
94effaf0 DA |
36 | |
37 | /* Show at least 10 communities AA:BB */ | |
38 | char community[COMMUNITY_SIZE * 20]; | |
39 | ||
40 | /* Show at least 10 large-communities AA:BB:CC */ | |
41 | char lcommunity[LCOMMUNITY_SIZE * 30]; | |
1d7260a1 DA |
42 | |
43 | /* 32 bytes seems enough because of | |
44 | * bgp_path_selection_confed_as_path which is | |
45 | * `Confederation based AS Path`. | |
46 | */ | |
47 | char selection_reason[BGP_MAX_SELECTION_REASON_STR_BUF]; | |
94effaf0 DA |
48 | }; |
49 | ||
b5bb70e3 IR |
50 | static_assert(sizeof(struct bgp_zebra_opaque) <= ZAPI_MESSAGE_OPAQUE_LENGTH, |
51 | "BGP opaque data shouldn't be larger than zebra's buffer"); | |
52 | ||
94effaf0 | 53 | #endif /* FRR_ROUTE_OPAQUE_H */ |