LXR linux/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
  13TRACE_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>
  93