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