include/trace/events/fib6.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM fib6
   3
   4 #if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_FIB6_H
   6
   7 #include <linux/in6.h>
   8 #include <net/flow.h>
   9 #include <net/ip6_fib.h>
  10 #include <linux/tracepoint.h>
  11
  12 TRACE_EVENT(fib6_table_lookup,
  13
  14         TP_PROTO(const struct net *net, const struct rt6_info *rt,
  15                  u32 tb_id, const struct flowi6 *flp),
  16
  17         TP_ARGS(net, rt, tb_id, flp),
  18
  19         TP_STRUCT__entry(
  20                 __field(        u32,    tb_id           )
  21
  22                 __field(        int,    oif             )
  23                 __field(        int,    iif             )
  24                 __field(        __u8,   tos             )
  25                 __field(        __u8,   scope           )
  26                 __field(        __u8,   flags           )
  27                 __array(        __u8,   src,    16      )
  28                 __array(        __u8,   dst,    16      )
  29
  30                 __dynamic_array(        char,   name,   IFNAMSIZ )
  31                 __array(                __u8,   gw,     16       )
  32         ),
  33
  34         TP_fast_assign(
  35                 struct in6_addr *in6;
  36
  37                 __entry->tb_id = tb_id;
  38                 __entry->oif = flp->flowi6_oif;
  39                 __entry->iif = flp->flowi6_iif;
  40                 __entry->tos = ip6_tclass(flp->flowlabel);
  41                 __entry->scope = flp->flowi6_scope;
  42                 __entry->flags = flp->flowi6_flags;
  43
  44                 in6 = (struct in6_addr *)__entry->src;
  45                 *in6 = flp->saddr;
  46
  47                 in6 = (struct in6_addr *)__entry->dst;
  48                 *in6 = flp->daddr;
  49
  50                 if (rt->rt6i_idev) {
  51                         __assign_str(name, rt->rt6i_idev->dev->name);
  52                 } else {
  53                         __assign_str(name, "");
  54                 }
  55                 if (rt == net->ipv6.ip6_null_entry) {
  56                         struct in6_addr in6_zero = {};
  57
  58                         in6 = (struct in6_addr *)__entry->gw;
  59                         *in6 = in6_zero;
  60
  61                 } else if (rt) {
  62                         in6 = (struct in6_addr *)__entry->gw;
  63                         *in6 = rt->rt6i_gateway;
  64                 }
  65         ),
  66
  67         TP_printk("table %3u oif %d iif %d src %pI6c dst %pI6c tos %d scope %d flags %x ==> dev %s gw %pI6c",
  68                   __entry->tb_id, __entry->oif, __entry->iif,
  69                   __entry->src, __entry->dst, __entry->tos, __entry->scope,
  70                   __entry->flags, __get_str(name), __entry->gw)
  71 );
  72
  73 #endif /* _TRACE_FIB6_H */
  74
  75 /* This part must be outside protection */
  76 #include <trace/define_trace.h>