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diff --git a/sys/netinet/sctp_dtrace_declare.h b/sys/netinet/sctp_dtrace_declare.h
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+++ b/sys/netinet/sctp_dtrace_declare.h
@@ -0,0 +1,73 @@
+/*-
+ * Copyright (c) 2010, by Randall Stewart & Michael Tuexen,
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * a) Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ *
+ * b) Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *   the documentation and/or other materials provided with the distribution.
+ *
+ * c) Neither the name of Cisco Systems, Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+#ifndef __sctp_dtrace_declare_h__
+#include "opt_kdtrace.h"
+#include <sys/kernel.h>
+#include <sys/sdt.h>
+
+/* Declare the SCTP provider */
+SDT_PROVIDER_DECLARE(sctp);
+
+/* The probes we have so far: */
+
+/* One to track a net's cwnd */
+/* initial */
+SDT_PROBE_DECLARE(sctp, cwnd, net, init);
+/* update at a ack -- increase */
+SDT_PROBE_DECLARE(sctp, cwnd, net, ack);
+/* update at a fast retransmit -- decrease */
+SDT_PROBE_DECLARE(sctp, cwnd, net, fr);
+/* update at a time-out -- decrease */
+SDT_PROBE_DECLARE(sctp, cwnd, net, to);
+/* update at a burst-limit -- decrease */
+SDT_PROBE_DECLARE(sctp, cwnd, net, bl);
+/* update at a ECN -- decrease */
+SDT_PROBE_DECLARE(sctp, cwnd, net, ecn);
+/* update at a Packet-Drop -- decrease */
+SDT_PROBE_DECLARE(sctp, cwnd, net, pd);
+
+/* One to track an associations rwnd */
+SDT_PROBE_DECLARE(sctp, rwnd, assoc, val);
+
+/* One to track a net's flight size */
+SDT_PROBE_DECLARE(sctp, flightsize, net, val);
+
+/* One to track an associations flight size */
+SDT_PROBE_DECLARE(sctp, flightsize, assoc, val);
+
+
+
+
+
+
+#endif