net/mac80211/trace_msg.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Portions of this file
   4  * Copyright (C) 2019 Intel Corporation
   5  */
   6
   7 #ifdef CONFIG_MAC80211_MESSAGE_TRACING
   8
   9 #if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
  10 #define __MAC80211_MSG_DRIVER_TRACE
  11
  12 #include <linux/tracepoint.h>
  13 #include <net/mac80211.h>
  14 #include "ieee80211_i.h"
  15
  16 #undef TRACE_SYSTEM
  17 #define TRACE_SYSTEM mac80211_msg
  18
  19 #define MAX_MSG_LEN     120
  20
  21 DECLARE_EVENT_CLASS(mac80211_msg_event,
  22         TP_PROTO(struct va_format *vaf),
  23
  24         TP_ARGS(vaf),
  25
  26         TP_STRUCT__entry(
  27                 __dynamic_array(char, msg, MAX_MSG_LEN)
  28         ),
  29
  30         TP_fast_assign(
  31                 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  32                                        MAX_MSG_LEN, vaf->fmt,
  33                                        *vaf->va) >= MAX_MSG_LEN);
  34         ),
  35
  36         TP_printk("%s", __get_str(msg))
  37 );
  38
  39 DEFINE_EVENT(mac80211_msg_event, mac80211_info,
  40         TP_PROTO(struct va_format *vaf),
  41         TP_ARGS(vaf)
  42 );
  43 DEFINE_EVENT(mac80211_msg_event, mac80211_dbg,
  44         TP_PROTO(struct va_format *vaf),
  45         TP_ARGS(vaf)
  46 );
  47 DEFINE_EVENT(mac80211_msg_event, mac80211_err,
  48         TP_PROTO(struct va_format *vaf),
  49         TP_ARGS(vaf)
  50 );
  51 #endif /* !__MAC80211_MSG_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
  52
  53 #undef TRACE_INCLUDE_PATH
  54 #define TRACE_INCLUDE_PATH .
  55 #undef TRACE_INCLUDE_FILE
  56 #define TRACE_INCLUDE_FILE trace_msg
  57 #include <trace/define_trace.h>
  58
  59 #endif