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