include/trace/events/xdp.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM xdp
   3
   4 #if !defined(_TRACE_XDP_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_XDP_H
   6
   7 #include <linux/netdevice.h>
   8 #include <linux/filter.h>
   9 #include <linux/tracepoint.h>
  10
  11 #define __XDP_ACT_MAP(FN)       \
  12         FN(ABORTED)             \
  13         FN(DROP)                \
  14         FN(PASS)                \
  15         FN(TX)
  16
  17 #define __XDP_ACT_TP_FN(x)      \
  18         TRACE_DEFINE_ENUM(XDP_##x);
  19 #define __XDP_ACT_SYM_FN(x)     \
  20         { XDP_##x, #x },
  21 #define __XDP_ACT_SYM_TAB       \
  22         __XDP_ACT_MAP(__XDP_ACT_SYM_FN) { -1, 0 }
  23 __XDP_ACT_MAP(__XDP_ACT_TP_FN)
  24
  25 TRACE_EVENT(xdp_exception,
  26
  27         TP_PROTO(const struct net_device *dev,
  28                  const struct bpf_prog *xdp, u32 act),
  29
  30         TP_ARGS(dev, xdp, act),
  31
  32         TP_STRUCT__entry(
  33                 __string(name, dev->name)
  34                 __array(u8, prog_tag, 8)
  35                 __field(u32, act)
  36         ),
  37
  38         TP_fast_assign(
  39                 BUILD_BUG_ON(sizeof(__entry->prog_tag) != sizeof(xdp->tag));
  40                 memcpy(__entry->prog_tag, xdp->tag, sizeof(xdp->tag));
  41                 __assign_str(name, dev->name);
  42                 __entry->act = act;
  43         ),
  44
  45         TP_printk("prog=%s device=%s action=%s",
  46                   __print_hex_str(__entry->prog_tag, 8),
  47                   __get_str(name),
  48                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB))
  49 );
  50
  51 #endif /* _TRACE_XDP_H */
  52
  53 #include <trace/define_trace.h>