include/trace/events/fib6.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM fib6
   4
   5 #if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_FIB6_H
   7
   8 #include <linux/in6.h>
   9 #include <net/flow.h>
  10 #include <net/ip6_fib.h>
  11 #include <linux/tracepoint.h>
  12
  13 TRACE_EVENT(fib6_table_lookup,
  14
  15         TP_PROTO(const struct net *net, const struct rt6_info *rt,
  16                  struct fib6_table *table, const struct flowi6 *flp),
  17
  18         TP_ARGS(net, rt, table, flp),
  19
  20         TP_STRUCT__entry(
  21                 __field(        u32,    tb_id           )
  22
  23                 __field(        int,    oif             )
  24                 __field(        int,    iif             )
  25                 __field(        __u8,   tos             )
  26                 __field(        __u8,   scope           )
  27                 __field(        __u8,   flags           )
  28                 __array(        __u8,   src,    16      )
  29                 __array(        __u8,   dst,    16      )
  30
  31                 __dynamic_array(        char,   name,   IFNAMSIZ )
  32                 __array(                __u8,   gw,     16       )
  33         ),
  34
  35         TP_fast_assign(
  36                 struct in6_addr *in6;
  37
  38                 __entry->tb_id = table->tb6_id;
  39                 __entry->oif = flp->flowi6_oif;
  40                 __entry->iif = flp->flowi6_iif;
  41                 __entry->tos = ip6_tclass(flp->flowlabel);
  42                 __entry->scope = flp->flowi6_scope;
  43                 __entry->flags = flp->flowi6_flags;
  44
  45                 in6 = (struct in6_addr *)__entry->src;
  46                 *in6 = flp->saddr;
  47
  48                 in6 = (struct in6_addr *)__entry->dst;
  49                 *in6 = flp->daddr;
  50
  51                 if (rt->rt6i_idev) {
  52                         __assign_str(name, rt->rt6i_idev->dev->name);
  53                 } else {
  54                         __assign_str(name, "");
  55                 }
  56                 if (rt == net->ipv6.ip6_null_entry) {
  57                         struct in6_addr in6_zero = {};
  58
  59                         in6 = (struct in6_addr *)__entry->gw;
  60                         *in6 = in6_zero;
  61
  62                 } else if (rt) {
  63                         in6 = (struct in6_addr *)__entry->gw;
  64                         *in6 = rt->rt6i_gateway;
  65                 }
  66         ),
  67
  68         TP_printk("table %3u oif %d iif %d src %pI6c dst %pI6c tos %d scope %d flags %x ==> dev %s gw %pI6c",
  69                   __entry->tb_id, __entry->oif, __entry->iif,
  70                   __entry->src, __entry->dst, __entry->tos, __entry->scope,
  71                   __entry->flags, __get_str(name), __entry->gw)
  72 );
  73
  74 #endif /* _TRACE_FIB6_H */
  75
  76 /* This part must be outside protection */
  77 #include <trace/define_trace.h>