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7c6d8773 | 1 | /* VxLAN common header. |
2 | * Copyright (C) 2016, 2017 Cumulus Networks, Inc. | |
3 | * | |
4 | * This file is part of FRR. | |
5 | * | |
6 | * FRR is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * FRR is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with FRR; see the file COPYING. If not, write to the Free | |
18 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | * 02111-1307, USA. | |
20 | */ | |
21 | ||
22 | #ifndef __VXLAN_H__ | |
23 | #define __VXLAN_H__ | |
24 | ||
5e244469 RW |
25 | #ifdef __cplusplus |
26 | extern "C" { | |
27 | #endif | |
28 | ||
03bad95a | 29 | /* EVPN MH DF election algorithm */ |
74e2bd89 AK |
30 | #define EVPN_MH_DF_ALG_SERVICE_CARVING 0 |
31 | #define EVPN_MH_DF_ALG_HRW 1 | |
32 | #define EVPN_MH_DF_ALG_PREF 2 | |
33 | ||
34 | /* preference range for DF election */ | |
35 | #define EVPN_MH_DF_PREF_MIN 0 | |
36 | #define EVPN_MH_DF_PREF_DEFAULT 32767 | |
37 | #define EVPN_MH_DF_PREF_MAX 65535 | |
38 | ||
7c6d8773 | 39 | /* VxLAN Network Identifier - 24-bit (RFC 7348) */ |
d7c0a89a | 40 | typedef uint32_t vni_t; |
7c6d8773 | 41 | #define VNI_MAX 16777215 /* (2^24 - 1) */ |
42 | ||
fbac9605 DS |
43 | /* Flooding mechanisms for BUM packets. */ |
44 | /* Currently supported mechanisms are head-end (ingress) replication | |
45 | * (which is the default) and no flooding. Future options could be | |
46 | * using PIM-SM, PIM-Bidir etc. | |
47 | */ | |
48 | enum vxlan_flood_control { | |
49 | VXLAN_FLOOD_HEAD_END_REPL = 0, | |
50 | VXLAN_FLOOD_DISABLED, | |
833b8a50 | 51 | VXLAN_FLOOD_PIM_SM, |
fbac9605 | 52 | }; |
5e244469 RW |
53 | |
54 | #ifdef __cplusplus | |
55 | } | |
56 | #endif | |
57 | ||
7c6d8773 | 58 | #endif /* __VXLAN_H__ */ |