1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/include/msgtrace.h b/drivers/staging/brcm80211/include/msgtrace.h
new file mode 100644
index 0000000..9d9e53d
--- /dev/null
+++ b/drivers/staging/brcm80211/include/msgtrace.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2010 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.
+ */
+
+#ifndef	_MSGTRACE_H
+#define	_MSGTRACE_H
+
+/* This marks the start of a packed structure section. */
+#include <packed_section_start.h>
+
+#define MSGTRACE_VERSION 1
+
+/* Message trace header */
+typedef BWL_PRE_PACKED_STRUCT struct msgtrace_hdr {
+	u8 version;
+	u8 spare;
+	u16 len;		/* Len of the trace */
+	u32 seqnum;		/* Sequence number of message. Useful
+				 * if the messsage has been lost
+				 * because of DMA error or a bus reset
+				 * (ex: SDIO Func2)
+				 */
+	u32 discarded_bytes;	/* Number of discarded bytes because of
+				 trace overflow  */
+	u32 discarded_printf;	/* Number of discarded printf
+				 because of trace overflow */
+} BWL_POST_PACKED_STRUCT msgtrace_hdr_t;
+
+#define MSGTRACE_HDRLEN		sizeof(msgtrace_hdr_t)
+
+/* The hbus driver generates traces when sending a trace message.
+ * This causes endless traces.
+ * This flag must be set to true in any hbus traces.
+ * The flag is reset in the function msgtrace_put.
+ * This prevents endless traces but generates hasardous
+ * lost of traces only in bus device code.
+ * It is recommendat to set this flag in macro SD_TRACE
+ * but not in SD_ERROR for avoiding missing
+ * hbus error traces. hbus error trace should not generates endless traces.
+ */
+extern bool msgtrace_hbus_trace;
+
+typedef void (*msgtrace_func_send_t) (void *hdl1, void *hdl2, u8 *hdr,
+				      u16 hdrlen, u8 *buf,
+				      u16 buflen);
+
+extern void msgtrace_sent(void);
+extern void msgtrace_put(char *buf, int count);
+extern void msgtrace_init(void *hdl1, void *hdl2,
+			  msgtrace_func_send_t func_send);
+
+/* This marks the end of a packed structure section. */
+#include <packed_section_end.h>
+
+#endif				/* _MSGTRACE_H */