include/linux/ipv6_route.h

   1 /*
   2  *      Linux INET6 implementation
   3  *
   4  *      Authors:
   5  *      Pedro Roque             <roque@di.fc.ul.pt>
   6  *
   7  *      This program is free software; you can redistribute it and/or
   8  *      modify it under the terms of the GNU General Public License
   9  *      as published by the Free Software Foundation; either version
  10  *      2 of the License, or (at your option) any later version.
  11  */
  12
  13 #ifndef _LINUX_IPV6_ROUTE_H
  14 #define _LINUX_IPV6_ROUTE_H
  15
  16 #define RTF_DEFAULT     0x00010000      /* default - learned via ND     */
  17 #define RTF_ALLONLINK   0x00020000      /* (deprecated and will be removed)
  18                                            fallback, no routers on link */
  19 #define RTF_ADDRCONF    0x00040000      /* addrconf route - RA          */
  20 #define RTF_PREFIX_RT   0x00080000      /* A prefix only route - RA     */
  21 #define RTF_ANYCAST     0x00100000      /* Anycast                      */
  22
  23 #define RTF_NONEXTHOP   0x00200000      /* route with no nexthop        */
  24 #define RTF_EXPIRES     0x00400000
  25
  26 #define RTF_ROUTEINFO   0x00800000      /* route information - RA       */
  27
  28 #define RTF_CACHE       0x01000000      /* cache entry                  */
  29 #define RTF_FLOW        0x02000000      /* flow significant route       */
  30 #define RTF_POLICY      0x04000000      /* policy route                 */
  31
  32 #define RTF_PREF(pref)  ((pref) << 27)
  33 #define RTF_PREF_MASK   0x18000000
  34
  35 #define RTF_LOCAL       0x80000000
  36
  37 #ifdef __KERNEL__
  38 #define IPV6_EXTRACT_PREF(flag) (((flag) & RTF_PREF_MASK) >> 27)
  39 #define IPV6_DECODE_PREF(pref)  ((pref) ^ 2)    /* 1:low,2:med,3:high */
  40 #endif
  41
  42 struct in6_rtmsg {
  43         struct in6_addr         rtmsg_dst;
  44         struct in6_addr         rtmsg_src;
  45         struct in6_addr         rtmsg_gateway;
  46         __u32                   rtmsg_type;
  47         __u16                   rtmsg_dst_len;
  48         __u16                   rtmsg_src_len;
  49         __u32                   rtmsg_metric;
  50         unsigned long           rtmsg_info;
  51         __u32                   rtmsg_flags;
  52         int                     rtmsg_ifindex;
  53 };
  54
  55 #define RTMSG_NEWDEVICE         0x11
  56 #define RTMSG_DELDEVICE         0x12
  57 #define RTMSG_NEWROUTE          0x21
  58 #define RTMSG_DELROUTE          0x22
  59
  60 #endif