Eric Lee / smarc-fsl-linux-kernel

Blame view

net/batman-adv/trace.h 1.64 KB
edit raw normal view history
d331a7399   Sven Eckelmann   batman-adv: Provi... 
1
 
  /* SPDX-License-Identifier: GPL-2.0 */
68e039f96   Sven Eckelmann   batman-adv: Updat... 
2
 
  /* Copyright (C) 2010-2020  B.A.T.M.A.N. contributors:
d331a7399   Sven Eckelmann   batman-adv: Provi... 
3
4
 
   *
   * Sven Eckelmann
d331a7399   Sven Eckelmann   batman-adv: Provi... 
5
6
7
8
9
10
 
   */
  
  #if !defined(_NET_BATMAN_ADV_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
  #define _NET_BATMAN_ADV_TRACE_H_
  
  #include "main.h"
95d8f85c9   Sven Eckelmann   batman-adv: Impro... 
11
12
13
14
15
 
  #include <linux/bug.h>
  #include <linux/kernel.h>
  #include <linux/netdevice.h>
  #include <linux/percpu.h>
  #include <linux/printk.h>
d331a7399   Sven Eckelmann   batman-adv: Provi... 
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
 
  #include <linux/tracepoint.h>
  
  #undef TRACE_SYSTEM
  #define TRACE_SYSTEM batadv
  
  /* provide dummy function when tracing is disabled */
  #if !defined(CONFIG_BATMAN_ADV_TRACING)
  
  #undef TRACE_EVENT
  #define TRACE_EVENT(name, proto, ...) \
  	static inline void trace_ ## name(proto) {}
  
  #endif /* CONFIG_BATMAN_ADV_TRACING */
  
  #define BATADV_MAX_MSG_LEN	256
  
  TRACE_EVENT(batadv_dbg,
  
  	    TP_PROTO(struct batadv_priv *bat_priv,
  		     struct va_format *vaf),
  
  	    TP_ARGS(bat_priv, vaf),
  
  	    TP_STRUCT__entry(
  		    __string(device, bat_priv->soft_iface->name)
  		    __string(driver, KBUILD_MODNAME)
  		    __dynamic_array(char, msg, BATADV_MAX_MSG_LEN)
  	    ),
  
  	    TP_fast_assign(
  		    __assign_str(device, bat_priv->soft_iface->name);
  		    __assign_str(driver, KBUILD_MODNAME);
  		    WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  					   BATADV_MAX_MSG_LEN,
  					   vaf->fmt,
  					   *vaf->va) >= BATADV_MAX_MSG_LEN);
  	    ),
  
  	    TP_printk(
  		    "%s %s %s",
  		    __get_str(driver),
  		    __get_str(device),
  		    __get_str(msg)
  	    )
  );
  
  #endif /* _NET_BATMAN_ADV_TRACE_H_ || TRACE_HEADER_MULTI_READ */
  
  #undef TRACE_INCLUDE_PATH
  #define TRACE_INCLUDE_PATH .
  #undef TRACE_INCLUDE_FILE
  #define TRACE_INCLUDE_FILE trace
  
  /* This part must be outside protection */
  #include <trace/define_trace.h>