include/trace/events/xdp.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM xdp
   4
   5 #if !defined(_TRACE_XDP_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_XDP_H
   7
   8 #include <linux/netdevice.h>
   9 #include <linux/filter.h>
  10 #include <linux/tracepoint.h>
  11
  12 #define __XDP_ACT_MAP(FN)       \
  13         FN(ABORTED)             \
  14         FN(DROP)                \
  15         FN(PASS)                \
  16         FN(TX)                  \
  17         FN(REDIRECT)
  18
  19 #define __XDP_ACT_TP_FN(x)      \
  20         TRACE_DEFINE_ENUM(XDP_##x);
  21 #define __XDP_ACT_SYM_FN(x)     \
  22         { XDP_##x, #x },
  23 #define __XDP_ACT_SYM_TAB       \
  24         __XDP_ACT_MAP(__XDP_ACT_SYM_FN) { -1, 0 }
  25 __XDP_ACT_MAP(__XDP_ACT_TP_FN)
  26
  27 TRACE_EVENT(xdp_exception,
  28
  29         TP_PROTO(const struct net_device *dev,
  30                  const struct bpf_prog *xdp, u32 act),
  31
  32         TP_ARGS(dev, xdp, act),
  33
  34         TP_STRUCT__entry(
  35                 __field(int, prog_id)
  36                 __field(u32, act)
  37                 __field(int, ifindex)
  38         ),
  39
  40         TP_fast_assign(
  41                 __entry->prog_id        = xdp->aux->id;
  42                 __entry->act            = act;
  43                 __entry->ifindex        = dev->ifindex;
  44         ),
  45
  46         TP_printk("prog_id=%d action=%s ifindex=%d",
  47                   __entry->prog_id,
  48                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
  49                   __entry->ifindex)
  50 );
  51
  52 DECLARE_EVENT_CLASS(xdp_redirect_template,
  53
  54         TP_PROTO(const struct net_device *dev,
  55                  const struct bpf_prog *xdp,
  56                  int to_ifindex, int err,
  57                  const struct bpf_map *map, u32 map_index),
  58
  59         TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
  60
  61         TP_STRUCT__entry(
  62                 __field(int, prog_id)
  63                 __field(u32, act)
  64                 __field(int, ifindex)
  65                 __field(int, err)
  66                 __field(int, to_ifindex)
  67                 __field(u32, map_id)
  68                 __field(int, map_index)
  69         ),
  70
  71         TP_fast_assign(
  72                 __entry->prog_id        = xdp->aux->id;
  73                 __entry->act            = XDP_REDIRECT;
  74                 __entry->ifindex        = dev->ifindex;
  75                 __entry->err            = err;
  76                 __entry->to_ifindex     = to_ifindex;
  77                 __entry->map_id         = map ? map->id : 0;
  78                 __entry->map_index      = map_index;
  79         ),
  80
  81         TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d",
  82                   __entry->prog_id,
  83                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
  84                   __entry->ifindex, __entry->to_ifindex,
  85                   __entry->err)
  86 );
  87
  88 DEFINE_EVENT(xdp_redirect_template, xdp_redirect,
  89         TP_PROTO(const struct net_device *dev,
  90                  const struct bpf_prog *xdp,
  91                  int to_ifindex, int err,
  92                  const struct bpf_map *map, u32 map_index),
  93         TP_ARGS(dev, xdp, to_ifindex, err, map, map_index)
  94 );
  95
  96 DEFINE_EVENT(xdp_redirect_template, xdp_redirect_err,
  97         TP_PROTO(const struct net_device *dev,
  98                  const struct bpf_prog *xdp,
  99                  int to_ifindex, int err,
 100                  const struct bpf_map *map, u32 map_index),
 101         TP_ARGS(dev, xdp, to_ifindex, err, map, map_index)
 102 );
 103
 104 #define _trace_xdp_redirect(dev, xdp, to)               \
 105          trace_xdp_redirect(dev, xdp, to, 0, NULL, 0);
 106
 107 #define _trace_xdp_redirect_err(dev, xdp, to, err)      \
 108          trace_xdp_redirect_err(dev, xdp, to, err, NULL, 0);
 109
 110 DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map,
 111         TP_PROTO(const struct net_device *dev,
 112                  const struct bpf_prog *xdp,
 113                  int to_ifindex, int err,
 114                  const struct bpf_map *map, u32 map_index),
 115         TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
 116         TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
 117                   " map_id=%d map_index=%d",
 118                   __entry->prog_id,
 119                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 120                   __entry->ifindex, __entry->to_ifindex,
 121                   __entry->err,
 122                   __entry->map_id, __entry->map_index)
 123 );
 124
 125 DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map_err,
 126         TP_PROTO(const struct net_device *dev,
 127                  const struct bpf_prog *xdp,
 128                  int to_ifindex, int err,
 129                  const struct bpf_map *map, u32 map_index),
 130         TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
 131         TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
 132                   " map_id=%d map_index=%d",
 133                   __entry->prog_id,
 134                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 135                   __entry->ifindex, __entry->to_ifindex,
 136                   __entry->err,
 137                   __entry->map_id, __entry->map_index)
 138 );
 139
 140 #define _trace_xdp_redirect_map(dev, xdp, fwd, map, idx)                \
 141          trace_xdp_redirect_map(dev, xdp, fwd ? fwd->ifindex : 0,       \
 142                                 0, map, idx)
 143
 144 #define _trace_xdp_redirect_map_err(dev, xdp, fwd, map, idx, err)       \
 145          trace_xdp_redirect_map_err(dev, xdp, fwd ? fwd->ifindex : 0,   \
 146                                     err, map, idx)
 147
 148 #endif /* _TRACE_XDP_H */
 149
 150 #include <trace/define_trace.h>