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path: root/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h
new file mode 100644
index 00000000000..9df1f7a681e
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2013 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#if !defined(BRCMF_TRACEPOINT_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define BRCMF_TRACEPOINT_H_
+
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+#ifndef CONFIG_BRCM_TRACING
+
+#undef TRACE_EVENT
+#define TRACE_EVENT(name, proto, ...) \
+static inline void trace_ ## name(proto) {}
+
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(...)
+
+#undef DEFINE_EVENT
+#define DEFINE_EVENT(evt_class, name, proto, ...) \
+static inline void trace_ ## name(proto) {}
+
+#endif /* CONFIG_BRCM_TRACING */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM brcmfmac
+
+#define MAX_MSG_LEN 100
+
+TRACE_EVENT(brcmf_err,
+ TP_PROTO(const char *func, struct va_format *vaf),
+ TP_ARGS(func, vaf),
+ TP_STRUCT__entry(
+ __string(func, func)
+ __dynamic_array(char, msg, MAX_MSG_LEN)
+ ),
+ TP_fast_assign(
+ __assign_str(func, func);
+ WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+ MAX_MSG_LEN, vaf->fmt,
+ *vaf->va) >= MAX_MSG_LEN);
+ ),
+ TP_printk("%s: %s", __get_str(func), __get_str(msg))
+);
+
+TRACE_EVENT(brcmf_dbg,
+ TP_PROTO(u32 level, const char *func, struct va_format *vaf),
+ TP_ARGS(level, func, vaf),
+ TP_STRUCT__entry(
+ __field(u32, level)
+ __string(func, func)
+ __dynamic_array(char, msg, MAX_MSG_LEN)
+ ),
+ TP_fast_assign(
+ __entry->level = level;
+ __assign_str(func, func);
+ WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+ MAX_MSG_LEN, vaf->fmt,
+ *vaf->va) >= MAX_MSG_LEN);
+ ),
+ TP_printk("%s: %s", __get_str(func), __get_str(msg))
+);
+
+TRACE_EVENT(brcmf_hexdump,
+ TP_PROTO(void *data, size_t len),
+ TP_ARGS(data, len),
+ TP_STRUCT__entry(
+ __field(unsigned long, len)
+ __dynamic_array(u8, hdata, len)
+ ),
+ TP_fast_assign(
+ __entry->len = len;
+ memcpy(__get_dynamic_array(hdata), data, len);
+ ),
+ TP_printk("hexdump [length=%lu]", __entry->len)
+);
+
+#ifdef CONFIG_BRCM_TRACING
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE tracepoint
+
+#include <trace/define_trace.h>
+
+#endif /* CONFIG_BRCM_TRACING */
+
+#endif /* BRCMF_TRACEPOINT_H_ */