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d331a739 SE |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* Copyright (C) 2010-2018 B.A.T.M.A.N. contributors: | |
3 | * | |
4 | * Sven Eckelmann | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of version 2 of the GNU General Public | |
8 | * License as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | ||
19 | #if !defined(_NET_BATMAN_ADV_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ) | |
20 | #define _NET_BATMAN_ADV_TRACE_H_ | |
21 | ||
22 | #include "main.h" | |
23 | ||
95d8f85c SE |
24 | #include <linux/bug.h> |
25 | #include <linux/kernel.h> | |
26 | #include <linux/netdevice.h> | |
27 | #include <linux/percpu.h> | |
28 | #include <linux/printk.h> | |
d331a739 | 29 | #include <linux/tracepoint.h> |
95d8f85c | 30 | #include <linux/types.h> |
d331a739 SE |
31 | |
32 | #undef TRACE_SYSTEM | |
33 | #define TRACE_SYSTEM batadv | |
34 | ||
35 | /* provide dummy function when tracing is disabled */ | |
36 | #if !defined(CONFIG_BATMAN_ADV_TRACING) | |
37 | ||
38 | #undef TRACE_EVENT | |
39 | #define TRACE_EVENT(name, proto, ...) \ | |
40 | static inline void trace_ ## name(proto) {} | |
41 | ||
42 | #endif /* CONFIG_BATMAN_ADV_TRACING */ | |
43 | ||
44 | #define BATADV_MAX_MSG_LEN 256 | |
45 | ||
46 | TRACE_EVENT(batadv_dbg, | |
47 | ||
48 | TP_PROTO(struct batadv_priv *bat_priv, | |
49 | struct va_format *vaf), | |
50 | ||
51 | TP_ARGS(bat_priv, vaf), | |
52 | ||
53 | TP_STRUCT__entry( | |
54 | __string(device, bat_priv->soft_iface->name) | |
55 | __string(driver, KBUILD_MODNAME) | |
56 | __dynamic_array(char, msg, BATADV_MAX_MSG_LEN) | |
57 | ), | |
58 | ||
59 | TP_fast_assign( | |
60 | __assign_str(device, bat_priv->soft_iface->name); | |
61 | __assign_str(driver, KBUILD_MODNAME); | |
62 | WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), | |
63 | BATADV_MAX_MSG_LEN, | |
64 | vaf->fmt, | |
65 | *vaf->va) >= BATADV_MAX_MSG_LEN); | |
66 | ), | |
67 | ||
68 | TP_printk( | |
69 | "%s %s %s", | |
70 | __get_str(driver), | |
71 | __get_str(device), | |
72 | __get_str(msg) | |
73 | ) | |
74 | ); | |
75 | ||
76 | #endif /* _NET_BATMAN_ADV_TRACE_H_ || TRACE_HEADER_MULTI_READ */ | |
77 | ||
78 | #undef TRACE_INCLUDE_PATH | |
79 | #define TRACE_INCLUDE_PATH . | |
80 | #undef TRACE_INCLUDE_FILE | |
81 | #define TRACE_INCLUDE_FILE trace | |
82 | ||
83 | /* This part must be outside protection */ | |
84 | #include <trace/define_trace.h> |