1 /* 2 * Copyright (c) 2013 Broadcom Corporation 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 #if !defined(BRCMF_TRACEPOINT_H_) || defined(TRACE_HEADER_MULTI_READ) 17 #define BRCMF_TRACEPOINT_H_ 18 19 #include <linux/types.h> 20 #include <linux/tracepoint.h> 21 22 #ifndef CONFIG_BRCM_TRACING 23 24 #undef TRACE_EVENT 25 #define TRACE_EVENT(name, proto, ...) \ 26 static inline void trace_ ## name(proto) {} 27 28 #undef DECLARE_EVENT_CLASS 29 #define DECLARE_EVENT_CLASS(...) 30 31 #undef DEFINE_EVENT 32 #define DEFINE_EVENT(evt_class, name, proto, ...) \ 33 static inline void trace_ ## name(proto) {} 34 35 #endif /* CONFIG_BRCM_TRACING */ 36 37 #undef TRACE_SYSTEM 38 #define TRACE_SYSTEM brcmfmac 39 40 #define MAX_MSG_LEN 100 41 42 TRACE_EVENT(brcmf_err, 43 TP_PROTO(const char *func, struct va_format *vaf), 44 TP_ARGS(func, vaf), 45 TP_STRUCT__entry( 46 __string(func, func) 47 __dynamic_array(char, msg, MAX_MSG_LEN) 48 ), 49 TP_fast_assign( 50 __assign_str(func, func); 51 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), 52 MAX_MSG_LEN, vaf->fmt, 53 *vaf->va) >= MAX_MSG_LEN); 54 ), 55 TP_printk("%s: %s", __get_str(func), __get_str(msg)) 56 ); 57 58 TRACE_EVENT(brcmf_dbg, 59 TP_PROTO(u32 level, const char *func, struct va_format *vaf), 60 TP_ARGS(level, func, vaf), 61 TP_STRUCT__entry( 62 __field(u32, level) 63 __string(func, func) 64 __dynamic_array(char, msg, MAX_MSG_LEN) 65 ), 66 TP_fast_assign( 67 __entry->level = level; 68 __assign_str(func, func); 69 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), 70 MAX_MSG_LEN, vaf->fmt, 71 *vaf->va) >= MAX_MSG_LEN); 72 ), 73 TP_printk("%s: %s", __get_str(func), __get_str(msg)) 74 ); 75 76 TRACE_EVENT(brcmf_hexdump, 77 TP_PROTO(void *data, size_t len), 78 TP_ARGS(data, len), 79 TP_STRUCT__entry( 80 __field(unsigned long, len) 81 __dynamic_array(u8, hdata, len) 82 ), 83 TP_fast_assign( 84 __entry->len = len; 85 memcpy(__get_dynamic_array(hdata), data, len); 86 ), 87 TP_printk("hexdump [length=%lu]", __entry->len) 88 ); 89 90 #ifdef CONFIG_BRCM_TRACING 91 92 #undef TRACE_INCLUDE_PATH 93 #define TRACE_INCLUDE_PATH . 94 #undef TRACE_INCLUDE_FILE 95 #define TRACE_INCLUDE_FILE tracepoint 96 97 #include <trace/define_trace.h> 98 99 #endif /* CONFIG_BRCM_TRACING */ 100 101 #endif /* BRCMF_TRACEPOINT_H_ */ 102