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- /*-
- * Copyright (c) 2014, Bryan Venteicher <bryanv@FreeBSD.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice unmodified, this list of conditions, and the following
- * disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #ifndef _NET_IF_VXLAN_H_
- #define _NET_IF_VXLAN_H_
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <net/ethernet.h>
- #include <net/if.h>
- #include <netinet/in.h>
- struct vxlan_header {
- uint32_t vxlh_flags;
- uint32_t vxlh_vni;
- };
- #define VXLAN_HDR_FLAGS_VALID_VNI 0x08000000
- #define VXLAN_HDR_VNI_SHIFT 8
- #define VXLAN_VNI_MAX (1 << 24)
- #define VXLAN_VNI_MASK (VXLAN_VNI_MAX - 1)
- /*
- * The port assigned by IANA is 4789, but some early implementations
- * (like Linux) use 8472 instead. If not specified, we default to
- * the IANA port.
- */
- #define VXLAN_PORT 4789
- #define VXLAN_LEGACY_PORT 8472
- union vxlan_sockaddr {
- struct sockaddr sa;
- struct sockaddr_in in4;
- struct sockaddr_in6 in6;
- };
- struct ifvxlanparam {
- uint64_t vxlp_with;
- #define VXLAN_PARAM_WITH_VNI 0x0001
- #define VXLAN_PARAM_WITH_LOCAL_ADDR4 0x0002
- #define VXLAN_PARAM_WITH_LOCAL_ADDR6 0x0004
- #define VXLAN_PARAM_WITH_REMOTE_ADDR4 0x0008
- #define VXLAN_PARAM_WITH_REMOTE_ADDR6 0x0010
- #define VXLAN_PARAM_WITH_LOCAL_PORT 0x0020
- #define VXLAN_PARAM_WITH_REMOTE_PORT 0x0040
- #define VXLAN_PARAM_WITH_PORT_RANGE 0x0080
- #define VXLAN_PARAM_WITH_FTABLE_TIMEOUT 0x0100
- #define VXLAN_PARAM_WITH_FTABLE_MAX 0x0200
- #define VXLAN_PARAM_WITH_MULTICAST_IF 0x0400
- #define VXLAN_PARAM_WITH_TTL 0x0800
- #define VXLAN_PARAM_WITH_LEARN 0x1000
- uint32_t vxlp_vni;
- union vxlan_sockaddr vxlp_local_sa;
- union vxlan_sockaddr vxlp_remote_sa;
- uint16_t vxlp_local_port;
- uint16_t vxlp_remote_port;
- uint16_t vxlp_min_port;
- uint16_t vxlp_max_port;
- char vxlp_mc_ifname[IFNAMSIZ];
- uint32_t vxlp_ftable_timeout;
- uint32_t vxlp_ftable_max;
- uint8_t vxlp_ttl;
- uint8_t vxlp_learn;
- };
- #define VXLAN_SOCKADDR_IS_IPV4(_vxsin) ((_vxsin)->sa.sa_family == AF_INET)
- #define VXLAN_SOCKADDR_IS_IPV6(_vxsin) ((_vxsin)->sa.sa_family == AF_INET6)
- #define VXLAN_SOCKADDR_IS_IPV46(_vxsin) \
- (VXLAN_SOCKADDR_IS_IPV4(_vxsin) || VXLAN_SOCKADDR_IS_IPV6(_vxsin))
- #define VXLAN_CMD_GET_CONFIG 0
- #define VXLAN_CMD_SET_VNI 1
- #define VXLAN_CMD_SET_LOCAL_ADDR 2
- #define VXLAN_CMD_SET_REMOTE_ADDR 4
- #define VXLAN_CMD_SET_LOCAL_PORT 5
- #define VXLAN_CMD_SET_REMOTE_PORT 6
- #define VXLAN_CMD_SET_PORT_RANGE 7
- #define VXLAN_CMD_SET_FTABLE_TIMEOUT 8
- #define VXLAN_CMD_SET_FTABLE_MAX 9
- #define VXLAN_CMD_SET_MULTICAST_IF 10
- #define VXLAN_CMD_SET_TTL 11
- #define VXLAN_CMD_SET_LEARN 12
- #define VXLAN_CMD_FTABLE_ENTRY_ADD 13
- #define VXLAN_CMD_FTABLE_ENTRY_REM 14
- #define VXLAN_CMD_FLUSH 15
- struct ifvxlancfg {
- uint32_t vxlc_vni;
- union vxlan_sockaddr vxlc_local_sa;
- union vxlan_sockaddr vxlc_remote_sa;
- uint32_t vxlc_mc_ifindex;
- uint32_t vxlc_ftable_cnt;
- uint32_t vxlc_ftable_max;
- uint32_t vxlc_ftable_timeout;
- uint16_t vxlc_port_min;
- uint16_t vxlc_port_max;
- uint8_t vxlc_learn;
- uint8_t vxlc_ttl;
- };
- struct ifvxlancmd {
- uint32_t vxlcmd_flags;
- #define VXLAN_CMD_FLAG_FLUSH_ALL 0x0001
- #define VXLAN_CMD_FLAG_LEARN 0x0002
- uint32_t vxlcmd_vni;
- uint32_t vxlcmd_ftable_timeout;
- uint32_t vxlcmd_ftable_max;
- uint16_t vxlcmd_port;
- uint16_t vxlcmd_port_min;
- uint16_t vxlcmd_port_max;
- uint8_t vxlcmd_mac[ETHER_ADDR_LEN];
- uint8_t vxlcmd_ttl;
- union vxlan_sockaddr vxlcmd_sa;
- char vxlcmd_ifname[IFNAMSIZ];
- };
- #ifdef _KERNEL
- typedef void (*vxlan_event_handler_t)(void *, struct ifnet *, sa_family_t,
- u_int);
- EVENTHANDLER_DECLARE(vxlan_start, vxlan_event_handler_t);
- EVENTHANDLER_DECLARE(vxlan_stop, vxlan_event_handler_t);
- #endif
- #endif /* _NET_IF_VXLAN_H_ */
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