if_vxlan.h

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    1 /*-
    2  * Copyright (c) 2014, Bryan Venteicher <bryanv@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice unmodified, this list of conditions, and the following
   10  *    disclaimer.
   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.
   14  *
   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.
   25  *
   26  * $FreeBSD: releng/10.3/sys/net/if_vxlan.h 284365 2015-06-14 03:14:45Z bryanv $
   27  */
   28 
   29 #ifndef _NET_IF_VXLAN_H_
   30 #define _NET_IF_VXLAN_H_
   31 
   32 #include <sys/types.h>
   33 #include <sys/socket.h>
   34 #include <net/ethernet.h>
   35 #include <net/if.h>
   36 #include <netinet/in.h>
   37 
   38 struct vxlan_header {
   39         uint32_t        vxlh_flags;
   40         uint32_t        vxlh_vni;
   41 };
   42 
   43 #define VXLAN_HDR_FLAGS_VALID_VNI       0x08000000
   44 #define VXLAN_HDR_VNI_SHIFT             8
   45 
   46 #define VXLAN_VNI_MAX   (1 << 24)
   47 #define VXLAN_VNI_MASK  (VXLAN_VNI_MAX - 1)
   48 
   49 /*
   50  * The port assigned by IANA is 4789, but some early implementations
   51  * (like Linux) use 8472 instead. If not specified, we default to
   52  * the IANA port.
   53  */
   54 #define VXLAN_PORT              4789
   55 #define VXLAN_LEGACY_PORT       8472
   56 
   57 struct ifvxlanparam {
   58         uint64_t                vxlp_with;
   59 
   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
   73 
   74         uint32_t                vxlp_vni;
   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;
   86         uint8_t                 vxlp_ttl;
   87         uint8_t                 vxlp_learn;
   88 };
   89 
   90 union vxlan_sockaddr {
   91         struct sockaddr         sa;
   92         struct sockaddr_in      in4;
   93         struct sockaddr_in6     in6;
   94 };
   95 
   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))
  100 
  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
  116 
  117 struct ifvxlancfg {
  118         uint32_t                vxlc_vni;
  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;
  127         uint8_t                 vxlc_learn;
  128         uint8_t                 vxlc_ttl;
  129 };
  130 
  131 struct ifvxlancmd {
  132         uint32_t                vxlcmd_flags;
  133 #define VXLAN_CMD_FLAG_FLUSH_ALL        0x0001
  134 #define VXLAN_CMD_FLAG_LEARN            0x0002
  135 
  136         uint32_t                vxlcmd_vni;
  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];
  143         uint8_t                 vxlcmd_ttl;
  144         union vxlan_sockaddr    vxlcmd_sa;
  145         char                    vxlcmd_ifname[IFNAMSIZ];
  146 };
  147 
  148 #endif /* _NET_IF_VXLAN_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/net/if_vxlan.h

FreeBSD/Linux Kernel Cross Reference
sys/net/if_vxlan.h