kernel/net/mac80211/trace_msg.h

   1 #ifdef CONFIG_MAC80211_MESSAGE_TRACING
   2
   3 #if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
   4 #define __MAC80211_MSG_DRIVER_TRACE
   5
   6 #include <linux/tracepoint.h>
   7 #include <net/mac80211.h>
   8 #include "ieee80211_i.h"
   9
  10 #undef TRACE_SYSTEM
  11 #define TRACE_SYSTEM mac80211_msg
  12
  13 #define MAX_MSG_LEN     100
  14
  15 DECLARE_EVENT_CLASS(mac80211_msg_event,
  16         TP_PROTO(struct va_format *vaf),
  17
  18         TP_ARGS(vaf),
  19
  20         TP_STRUCT__entry(
  21                 __dynamic_array(char, msg, MAX_MSG_LEN)
  22         ),
  23
  24         TP_fast_assign(
  25                 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  26                                        MAX_MSG_LEN, vaf->fmt,
  27                                        *vaf->va) >= MAX_MSG_LEN);
  28         ),
  29
  30         TP_printk("%s", __get_str(msg))
  31 );
  32
  33 DEFINE_EVENT(mac80211_msg_event, mac80211_info,
  34         TP_PROTO(struct va_format *vaf),
  35         TP_ARGS(vaf)
  36 );
  37 DEFINE_EVENT(mac80211_msg_event, mac80211_dbg,
  38         TP_PROTO(struct va_format *vaf),
  39         TP_ARGS(vaf)
  40 );
  41 DEFINE_EVENT(mac80211_msg_event, mac80211_err,
  42         TP_PROTO(struct va_format *vaf),
  43         TP_ARGS(vaf)
  44 );
  45 #endif /* !__MAC80211_MSG_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
  46
  47 #undef TRACE_INCLUDE_PATH
  48 #define TRACE_INCLUDE_PATH .
  49 #undef TRACE_INCLUDE_FILE
  50 #define TRACE_INCLUDE_FILE trace_msg
  51 #include <trace/define_trace.h>
  52
  53 #endif