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 fib6_result *res,
  16                  struct fib6_table *table, const struct flowi6 *flp),
  17
  18         TP_ARGS(net, res, table, flp),
  19
  20         TP_STRUCT__entry(
  21                 __field(        u32,    tb_id           )
  22                 __field(        int,    err             )
  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                 __field(        u16,    sport           )
  31                 __field(        u16,    dport           )
  32                 __field(        u8,     proto           )
  33                 __field(        u8,     rt_type         )
  34                 __dynamic_array(        char,   name,   IFNAMSIZ )
  35                 __array(                __u8,   gw,     16       )
  36         ),
  37
  38         TP_fast_assign(
  39                 struct in6_addr *in6;
  40
  41                 __entry->tb_id = table->tb6_id;
  42                 __entry->err = ip6_rt_type_to_error(res->fib6_type);
  43                 __entry->oif = flp->flowi6_oif;
  44                 __entry->iif = flp->flowi6_iif;
  45                 __entry->tos = ip6_tclass(flp->flowlabel);
  46                 __entry->scope = flp->flowi6_scope;
  47                 __entry->flags = flp->flowi6_flags;
  48
  49                 in6 = (struct in6_addr *)__entry->src;
  50                 *in6 = flp->saddr;
  51
  52                 in6 = (struct in6_addr *)__entry->dst;
  53                 *in6 = flp->daddr;
  54
  55                 __entry->proto = flp->flowi6_proto;
  56                 if (__entry->proto == IPPROTO_TCP ||
  57                     __entry->proto == IPPROTO_UDP) {
  58                         __entry->sport = ntohs(flp->fl6_sport);
  59                         __entry->dport = ntohs(flp->fl6_dport);
  60                 } else {
  61                         __entry->sport = 0;
  62                         __entry->dport = 0;
  63                 }
  64
  65                 if (res->nh && res->nh->fib_nh_dev) {
  66                         __assign_str(name, res->nh->fib_nh_dev);
  67                 } else {
  68                         __assign_str(name, "-");
  69                 }
  70                 if (res->f6i == net->ipv6.fib6_null_entry) {
  71                         struct in6_addr in6_zero = {};
  72
  73                         in6 = (struct in6_addr *)__entry->gw;
  74                         *in6 = in6_zero;
  75
  76                 } else if (res->nh) {
  77                         in6 = (struct in6_addr *)__entry->gw;
  78                         *in6 = res->nh->fib_nh_gw6;
  79                 }
  80         ),
  81
  82         TP_printk("table %3u oif %d iif %d proto %u %pI6c/%u -> %pI6c/%u tos %d scope %d flags %x ==> dev %s gw %pI6c err %d",
  83                   __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
  84                   __entry->src, __entry->sport, __entry->dst, __entry->dport,
  85                   __entry->tos, __entry->scope, __entry->flags,
  86                   __get_str(name), __entry->gw, __entry->err)
  87 );
  88
  89 #endif /* _TRACE_FIB6_H */
  90
  91 /* This part must be outside protection */
  92 #include <trace/define_trace.h>