net/mac80211/trace_msg.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifdef CONFIG_MAC80211_MESSAGE_TRACING
   3
   4 #if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
   5 #define __MAC80211_MSG_DRIVER_TRACE
   6
   7 #include <linux/tracepoint.h>
   8 #include <net/mac80211.h>
   9 #include "ieee80211_i.h"
  10
  11 #undef TRACE_SYSTEM
  12 #define TRACE_SYSTEM mac80211_msg
  13
  14 #define MAX_MSG_LEN     100
  15
  16 DECLARE_EVENT_CLASS(mac80211_msg_event,
  17         TP_PROTO(struct va_format *vaf),
  18
  19         TP_ARGS(vaf),
  20
  21         TP_STRUCT__entry(
  22                 __dynamic_array(char, msg, MAX_MSG_LEN)
  23         ),
  24
  25         TP_fast_assign(
  26                 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  27                                        MAX_MSG_LEN, vaf->fmt,
  28                                        *vaf->va) >= MAX_MSG_LEN);
  29         ),
  30
  31         TP_printk("%s", __get_str(msg))
  32 );
  33
  34 DEFINE_EVENT(mac80211_msg_event, mac80211_info,
  35         TP_PROTO(struct va_format *vaf),
  36         TP_ARGS(vaf)
  37 );
  38 DEFINE_EVENT(mac80211_msg_event, mac80211_dbg,
  39         TP_PROTO(struct va_format *vaf),
  40         TP_ARGS(vaf)
  41 );
  42 DEFINE_EVENT(mac80211_msg_event, mac80211_err,
  43         TP_PROTO(struct va_format *vaf),
  44         TP_ARGS(vaf)
  45 );
  46 #endif /* !__MAC80211_MSG_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
  47
  48 #undef TRACE_INCLUDE_PATH
  49 #define TRACE_INCLUDE_PATH .
  50 #undef TRACE_INCLUDE_FILE
  51 #define TRACE_INCLUDE_FILE trace_msg
  52 #include <trace/define_trace.h>
  53
  54 #endif