[CCID3]: Introduce include/linux/tfrc.h

Moving the TFRC sender and receiver variables to separate structs, so
that we can copy these structs to userspace thru getsockopt,
dccp_diag, etc.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/tfrc.h b/include/linux/tfrc.h
new file mode 100644
index 0000000..7dab783
--- /dev/null
+++ b/include/linux/tfrc.h
@@ -0,0 +1,35 @@
+#ifndef _LINUX_TFRC_H_
+#define _LINUX_TFRC_H_
+/*
+ *  include/linux/tfrc.h
+ *
+ *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
+ *  Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz>
+ *  Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ *  Copyright (c) 2003 Nils-Erik Mattsson, Joacim Haggmark, Magnus Erixzon
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ */
+
+#include <linux/types.h>
+
+struct tfrc_rx_info {
+  	__u32 tfrcrx_x_recv;
+	__u32 tfrcrx_rtt;
+  	__u32 tfrcrx_p;
+};
+
+struct tfrc_tx_info {
+	__u32 tfrctx_x;
+	__u32 tfrctx_x_recv;
+	__u32 tfrctx_x_calc;
+	__u32 tfrctx_rtt;
+	__u32 tfrctx_p;
+	__u32 tfrctx_rto;
+	__u32 tfrctx_ipi;
+};
+
+#endif /* _LINUX_TFRC_H_ */