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 33 TRACE_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> 72