datapath/linux/compat/include/net/ip6_fib.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 _IP6_FIB_WRAPPER_H
  14 #define _IP6_FIB_WRAPPER_H
  15
  16 #include_next <net/ip6_fib.h>
  17
  18 #ifndef HAVE_RT6_GET_COOKIE
  19
  20 #ifndef RTF_PCPU
  21 #define RTF_PCPU        0x40000000
  22 #endif
  23
  24 #ifndef RTF_LOCAL
  25 #define RTF_LOCAL       0x80000000
  26 #endif
  27
  28 #define rt6_get_cookie rpl_rt6_get_cookie
  29 static inline u32 rt6_get_cookie(const struct rt6_info *rt)
  30 {
  31        if (rt->rt6i_flags & RTF_PCPU ||
  32 #ifdef HAVE_DST_NOCACHE
  33            (unlikely(rt->dst.flags & DST_NOCACHE) && rt->dst.from))
  34 #else
  35            (unlikely(!list_empty(&rt->rt6i_uncached)) && rt->dst.from))
  36 #endif
  37                rt = (struct rt6_info *)(rt->dst.from);
  38
  39        return rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
  40 }
  41 #endif
  42
  43 #endif