2 * Copyright (c) 2014, Bryan Venteicher <bryanv@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #ifndef _NET_IF_VXLAN_H_
30 #define _NET_IF_VXLAN_H_
32 #include <sys/types.h>
33 #include <sys/socket.h>
34 #include <net/ethernet.h>
36 #include <netinet/in.h>
43 #define VXLAN_HDR_FLAGS_VALID_VNI 0x08000000
44 #define VXLAN_HDR_VNI_SHIFT 8
46 #define VXLAN_VNI_MAX (1 << 24)
47 #define VXLAN_VNI_MASK (VXLAN_VNI_MAX - 1)
50 * The port assigned by IANA is 4789, but some early implementations
51 * (like Linux) use 8472 instead. If not specified, we default to
54 #define VXLAN_PORT 4789
55 #define VXLAN_LEGACY_PORT 8472
60 #define VXLAN_PARAM_WITH_VNI 0x0001
61 #define VXLAN_PARAM_WITH_LOCAL_ADDR4 0x0002
62 #define VXLAN_PARAM_WITH_LOCAL_ADDR6 0x0004
63 #define VXLAN_PARAM_WITH_REMOTE_ADDR4 0x0008
64 #define VXLAN_PARAM_WITH_REMOTE_ADDR6 0x0010
65 #define VXLAN_PARAM_WITH_LOCAL_PORT 0x0020
66 #define VXLAN_PARAM_WITH_REMOTE_PORT 0x0040
67 #define VXLAN_PARAM_WITH_PORT_RANGE 0x0080
68 #define VXLAN_PARAM_WITH_FTABLE_TIMEOUT 0x0100
69 #define VXLAN_PARAM_WITH_FTABLE_MAX 0x0200
70 #define VXLAN_PARAM_WITH_MULTICAST_IF 0x0400
71 #define VXLAN_PARAM_WITH_TTL 0x0800
72 #define VXLAN_PARAM_WITH_LEARN 0x1000
75 struct in_addr vxlp_local_in4;
76 struct in6_addr vxlp_local_in6;
77 struct in_addr vxlp_remote_in4;
78 struct in6_addr vxlp_remote_in6;
79 uint16_t vxlp_local_port;
80 uint16_t vxlp_remote_port;
81 uint16_t vxlp_min_port;
82 uint16_t vxlp_max_port;
83 char vxlp_mc_ifname[IFNAMSIZ];
84 uint32_t vxlp_ftable_timeout;
85 uint32_t vxlp_ftable_max;
90 union vxlan_sockaddr {
92 struct sockaddr_in in4;
93 struct sockaddr_in6 in6;
96 #define VXLAN_SOCKADDR_IS_IPV4(_vxsin) ((_vxsin)->sa.sa_family == AF_INET)
97 #define VXLAN_SOCKADDR_IS_IPV6(_vxsin) ((_vxsin)->sa.sa_family == AF_INET6)
98 #define VXLAN_SOCKADDR_IS_IPV46(_vxsin) \
99 (VXLAN_SOCKADDR_IS_IPV4(_vxsin) || VXLAN_SOCKADDR_IS_IPV6(_vxsin))
101 #define VXLAN_CMD_GET_CONFIG 0
102 #define VXLAN_CMD_SET_VNI 1
103 #define VXLAN_CMD_SET_LOCAL_ADDR 2
104 #define VXLAN_CMD_SET_REMOTE_ADDR 4
105 #define VXLAN_CMD_SET_LOCAL_PORT 5
106 #define VXLAN_CMD_SET_REMOTE_PORT 6
107 #define VXLAN_CMD_SET_PORT_RANGE 7
108 #define VXLAN_CMD_SET_FTABLE_TIMEOUT 8
109 #define VXLAN_CMD_SET_FTABLE_MAX 9
110 #define VXLAN_CMD_SET_MULTICAST_IF 10
111 #define VXLAN_CMD_SET_TTL 11
112 #define VXLAN_CMD_SET_LEARN 12
113 #define VXLAN_CMD_FTABLE_ENTRY_ADD 13
114 #define VXLAN_CMD_FTABLE_ENTRY_REM 14
115 #define VXLAN_CMD_FLUSH 15
119 union vxlan_sockaddr vxlc_local_sa;
120 union vxlan_sockaddr vxlc_remote_sa;
121 uint32_t vxlc_mc_ifindex;
122 uint32_t vxlc_ftable_cnt;
123 uint32_t vxlc_ftable_max;
124 uint32_t vxlc_ftable_timeout;
125 uint16_t vxlc_port_min;
126 uint16_t vxlc_port_max;
132 uint32_t vxlcmd_flags;
133 #define VXLAN_CMD_FLAG_FLUSH_ALL 0x0001
134 #define VXLAN_CMD_FLAG_LEARN 0x0002
137 uint32_t vxlcmd_ftable_timeout;
138 uint32_t vxlcmd_ftable_max;
139 uint16_t vxlcmd_port;
140 uint16_t vxlcmd_port_min;
141 uint16_t vxlcmd_port_max;
142 uint8_t vxlcmd_mac[ETHER_ADDR_LEN];
144 union vxlan_sockaddr vxlcmd_sa;
145 char vxlcmd_ifname[IFNAMSIZ];
148 #endif /* _NET_IF_VXLAN_H_ */