Add support for send, receive and state-change DTrace providers for

SCTP. They are based on what is specified in the Solaris DTrace manual
for Solaris 11.4.

Reviewed by:		0mp, dteske, markj
Relnotes:		yes
Differential Revision:	https://reviews.freebsd.org/D16839

9 files changed, 623 insertions, 7 deletions

diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/get.ipv4remote.pl b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/get.ipv4remote.pl
index 5f58eb8e0ca8..c07e46bbd976 100755
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/get.ipv4remote.pl
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/get.ipv4remote.pl
@@ -27,11 +27,12 @@
 #pragma ident	"%Z%%M%	%I%	%E% SMI"
 
 #
-# get.ipv4remote.pl [tcpport]
+# get.ipv4remote.pl [port] [proto]
 #
 # Find an IPv4 reachable remote host using both ifconfig(1M) and ping(1M).
-# If a tcpport is specified, return a host that is also listening on this
-# TCP port.  Print the local address and the remote address, or an
+# If a port is specified, return a host that is also listening on this
+# port. If the port is specified, the protocol can also be specified and
+# defaults to tcp.  Print the local address and the remote address, or an
 # error message if no suitable remote host was found.  Exit status is 0 if
 # a host was found.
 #
@@ -41,7 +42,8 @@ use IO::Socket;
 
 my $MAXHOSTS = 32;			# max hosts to port scan
 my $TIMEOUT = 3;			# connection timeout
-my $tcpport = @ARGV == 1 ? $ARGV[0] : 0;
+my $port = @ARGV >= 1 ? $ARGV[0] : 0;
+my $proto = @ARGV == 2 ? $ARGV[1] : "tcp";
 
 #
 # Determine local IP address
@@ -79,14 +81,15 @@ while (<PING>) {
 	if (/bytes from (.*): / and not defined $Broadcast{$1}) {
 		my $addr = $1;
 
-		if ($tcpport != 0) {
+		if ($port != 0) {
 			#
 			# Test TCP
 			#
 			my $socket = IO::Socket::INET->new(
-				Proto    => "tcp",
+				Type     => SOCK_STREAM,
+				Proto    => $proto,
 				PeerAddr => $addr,
-				PeerPort => $tcpport,
+				PeerPort => $port,
 				Timeout  => $TIMEOUT,
 			);
 			next unless $socket;
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localsctp.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localsctp.ksh
new file mode 100755
index 000000000000..594ef71dc597
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localsctp.ksh
@@ -0,0 +1,137 @@
+#!/usr/bin/env ksh
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+#
+
+#
+# Test {ip,sctp}:::{send,receive} of IPv4 SCTP to local host.
+#
+# This may fail due to:
+#
+# 1. A change to the ip stack breaking expected probe behavior,
+#    which is the reason we are testing.
+# 2. The lo0 interface missing or not up.
+# 3. An unlikely race causes the unlocked global send/receive
+#    variables to be corrupted.
+#
+# This test performs a SCTP association and checks that at least the
+# following packet counts were traced:
+#
+# 7 x ip:::send (4 during the setup, 3 during the teardown)
+# 7 x sctp:::send (4 during the setup, 3 during the teardown)
+# 7 x ip:::receive (4 during the setup, 3 during the teardown)
+# 7 x sctp:::receive (4 during the setup, 3 during the teardown)
+
+# The actual count tested is 7 each way, since we are tracing both
+# source and destination events.
+#
+
+if (( $# != 1 )); then
+	print -u2 "expected one argument: <dtrace-path>"
+	exit 2
+fi
+
+dtrace=$1
+local=127.0.0.1
+DIR=/var/tmp/dtest.$$
+
+sctpport=1024
+bound=5000
+while [ $sctpport -lt $bound ]; do
+	ncat --sctp -z $local $sctpport > /dev/null || break
+	sctpport=$(($sctpport + 1))
+done
+if [ $sctpport -eq $bound ]; then
+	echo "couldn't find an available SCTP port"
+	exit 1
+fi
+
+mkdir $DIR
+cd $DIR
+
+# ncat will exit when the association is closed.
+ncat --sctp --listen $local $sctpport &
+
+cat > test.pl <<-EOPERL
+	use IO::Socket;
+	my \$s = IO::Socket::INET->new(
+	    Type => SOCK_STREAM,
+	    Proto => "sctp",
+	    LocalAddr => "$local",
+	    PeerAddr => "$local",
+	    PeerPort => $sctpport,
+	    Timeout => 3);
+	die "Could not connect to host $local port $sctpport \$@" unless \$s;
+	close \$s;
+	sleep(2);
+EOPERL
+
+$dtrace -c 'perl test.pl' -qs /dev/stdin <<EODTRACE
+BEGIN
+{
+	ipsend = sctpsend = ipreceive = sctpreceive = 0;
+}
+
+ip:::send
+/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
+    args[4]->ipv4_protocol == IPPROTO_SCTP/
+{
+	ipsend++;
+}
+
+sctp:::send
+/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local"/
+{
+	sctpsend++;
+}
+
+ip:::receive
+/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
+    args[4]->ipv4_protocol == IPPROTO_SCTP/
+{
+	ipreceive++;
+}
+
+sctp:::receive
+/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local"/
+{
+	sctpreceive++;
+}
+
+END
+{
+	printf("Minimum SCTP events seen\n\n");
+	printf("ip:::send (%d) - %s\n", ipsend, ipsend >= 7 ? "yes" : "no");
+	printf("ip:::receive (%d) - %s\n", ipreceive, ipreceive >= 7 ? "yes" : "no");
+	printf("sctp:::send (%d) - %s\n", sctpsend, sctpsend >= 7 ? "yes" : "no");
+	printf("sctp:::receive (%d) - %s\n", sctpreceive, sctpreceive >= 7 ? "yes" : "no");
+}
+EODTRACE
+
+status=$?
+
+cd /
+/bin/rm -rf $DIR
+
+exit $status
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localsctp.ksh.out b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localsctp.ksh.out
new file mode 100644
index 000000000000..8c708770971b
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localsctp.ksh.out
@@ -0,0 +1,7 @@
+Minimum SCTP events seen
+
+ip:::send - yes
+ip:::receive - yes
+sctp:::send - yes
+sctp:::receive - yes
+
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotesctp.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotesctp.ksh
new file mode 100755
index 000000000000..60dabf7a8b94
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotesctp.ksh
@@ -0,0 +1,130 @@
+#!/usr/bin/env ksh93
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+#
+
+#
+# Test {sctp,ip}:::{send,receive} of IPv4 SCTP to a remote host.
+#
+# This may fail due to:
+#
+# 1. A change to the ip stack breaking expected probe behavior,
+#    which is the reason we are testing.
+# 2. No physical network interface is plumbed and up.
+# 3. No other hosts on this subnet are reachable and listening on ssh.
+# 4. An unlikely race causes the unlocked global send/receive
+#    variables to be corrupted.
+#
+# This test performs an SCTP association and checks that at least the
+# following packet counts were traced:
+#
+# 4 x ip:::send (2 during setup, 2 during teardown)
+# 4 x sctp:::send (2 during connection setup, 2 during connection teardown)
+# 3 x ip:::receive (2 during setup, 1 during  teardown)
+# 3 x sctp:::receive (2 during setup, 1 during  teardown)
+
+if (( $# != 1 )); then
+	print -u2 "expected one argument: <dtrace-path>"
+	exit 2
+fi
+
+dtrace=$1
+getaddr=./get.ipv4remote.pl
+sctpport=80
+DIR=/var/tmp/dtest.$$
+
+if [[ ! -x $getaddr ]]; then
+        print -u2 "could not find or execute sub program: $getaddr"
+        exit 3
+fi
+$getaddr $sctpport sctp | read source dest
+if (( $? != 0 )); then
+        exit 4
+fi
+
+mkdir $DIR
+cd $DIR
+
+cat > test.pl <<-EOPERL
+	use IO::Socket;
+	my \$s = IO::Socket::INET->new(
+	    Type => SOCK_STREAM,
+	    Proto => "sctp",
+	    LocalAddr => "$source",
+	    PeerAddr => "$dest",
+	    PeerPort => $sctpport,
+	    Timeout => 3);
+	die "Could not connect to host $dest port $sctpport \$@" unless \$s;
+	close \$s;
+	sleep(2);
+EOPERL
+
+$dtrace -c 'perl test.pl' -qs /dev/stdin <<EODTRACE
+BEGIN
+{
+	ipsend = sctpsend = ipreceive = sctpreceive = 0;
+}
+
+ip:::send
+/args[2]->ip_saddr == "$source" && args[2]->ip_daddr == "$dest" &&
+    args[4]->ipv4_protocol == IPPROTO_SCTP/
+{
+	ipsend++;
+}
+
+sctp:::send
+/args[2]->ip_saddr == "$source" && args[2]->ip_daddr == "$dest"/
+{
+	sctpsend++;
+}
+
+ip:::receive
+/args[2]->ip_saddr == "$dest" && args[2]->ip_daddr == "$source" &&
+    args[4]->ipv4_protocol == IPPROTO_SCTP/
+{
+	ipreceive++;
+}
+
+sctp:::receive
+/args[2]->ip_saddr == "$dest" && args[2]->ip_daddr == "$source"/
+{
+	sctpreceive++;
+}
+
+END
+{
+	printf("Minimum SCTP events seen\n\n");
+	printf("ip:::send - %s\n", ipsend >= 4 ? "yes" : "no");
+	printf("ip:::receive - %s\n", ipreceive >= 3 ? "yes" : "no");
+	printf("sctp:::send - %s\n", sctpsend >= 4 ? "yes" : "no");
+	printf("sctp:::receive - %s\n", sctpreceive >= 3 ? "yes" : "no");
+}
+EODTRACE
+
+status=$?
+
+cd /
+/bin/rm -rf $DIR
+
+exit $status
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotesctp.ksh.out b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotesctp.ksh.out
new file mode 100644
index 000000000000..8c708770971b
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotesctp.ksh.out
@@ -0,0 +1,7 @@
+Minimum SCTP events seen
+
+ip:::send - yes
+ip:::receive - yes
+sctp:::send - yes
+sctp:::receive - yes
+
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localsctpstate.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localsctpstate.ksh
new file mode 100755
index 000000000000..7fb21644b459
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localsctpstate.ksh
@@ -0,0 +1,159 @@
+#!/usr/bin/env ksh
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+#
+
+#
+# Test sctp:::state-change and sctp:::{send,receive} by connecting to
+# the local discard service.
+# A number of state transition events along with SCTP send and
+# receive events for the message should result.
+#
+# This may fail due to:
+#
+# 1. A change to the ip stack breaking expected probe behavior,
+#    which is the reason we are testing.
+# 2. The lo0 interface missing or not up.
+# 3. An unlikely race causes the unlocked global send/receive
+#    variables to be corrupted.
+#
+# This test performs a SCTP connection and checks that at least the
+# following packet counts were traced:
+#
+# 7 x ip:::send (4 during the setup, 3 during the teardown)
+# 7 x sctp:::send (4 during the setup, 3 during the teardown)
+# 7 x ip:::receive (4 during the setup, 3 during the teardown)
+# 7 x sctp:::receive (4 during the setup, 3 during the teardown)
+#
+# The actual count tested is 7 each way, since we are tracing both
+# source and destination events.
+#
+
+if (( $# != 1 )); then
+	print -u2 "expected one argument: <dtrace-path>"
+	exit 2
+fi
+
+dtrace=$1
+local=127.0.0.1
+DIR=/var/tmp/dtest.$$
+
+sctpport=1024
+bound=5000
+while [ $sctpport -lt $bound ]; do
+	ncat --sctp -z $local $sctpport > /dev/null || break
+	sctpport=$(($sctpport + 1))
+done
+if [ $sctpport -eq $bound ]; then
+	echo "couldn't find an available SCTP port"
+	exit 1
+fi
+
+mkdir $DIR
+cd $DIR
+
+# ncat will exit when the association is closed.
+ncat --sctp --listen $local $sctpport &
+
+cat > test.pl <<-EOPERL
+	use IO::Socket;
+	my \$s = IO::Socket::INET->new(
+	    Type => SOCK_STREAM,
+	    Proto => "sctp",
+	    LocalAddr => "$local",
+	    PeerAddr => "$local",
+	    PeerPort => $sctpport,
+	    Timeout => 3);
+	die "Could not connect to host $local port $sctpport \$@" unless \$s;
+	close \$s;
+	sleep(2);
+EOPERL
+
+$dtrace -c 'perl test.pl' -qs /dev/stdin <<EODTRACE
+BEGIN
+{
+	ipsend = sctpsend = ipreceive = sctpreceive = 0;
+}
+
+ip:::send
+/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
+    args[4]->ipv4_protocol == IPPROTO_SCTP/
+{
+	ipsend++;
+}
+
+sctp:::send
+/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
+ (args[4]->sctp_sport == $sctpport || args[4]->sctp_dport == $sctpport)/
+{
+	sctpsend++;
+}
+
+ip:::receive
+/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
+    args[4]->ipv4_protocol == IPPROTO_SCTP/
+{
+	ipreceive++;
+}
+
+sctp:::receive
+/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
+ (args[4]->sctp_sport == $sctpport || args[4]->sctp_dport == $sctpport)/
+{
+	sctpreceive++;
+}
+
+sctp:::state-change
+{
+	state_event[args[3]->sctps_state]++;
+}
+
+END
+{
+	printf("Minimum SCTP events seen\n\n");
+	printf("ip:::send - %s\n", ipsend >= 7 ? "yes" : "no");
+	printf("ip:::receive - %s\n", ipreceive >= 7 ? "yes" : "no");
+	printf("sctp:::send - %s\n", sctpsend >= 7 ? "yes" : "no");
+	printf("sctp:::receive - %s\n", sctpreceive >= 7 ? "yes" : "no");
+	printf("sctp:::state-change to cookie-wait - %s\n",
+	    state_event[SCTP_STATE_COOKIE_WAIT] >=1 ? "yes" : "no");
+	printf("sctp:::state-change to cookie-echoed - %s\n",
+	    state_event[SCTP_STATE_COOKIE_ECHOED] >=1 ? "yes" : "no");
+	printf("sctp:::state-change to established - %s\n",
+	    state_event[SCTP_STATE_ESTABLISHED] >= 2 ? "yes" : "no");
+	printf("sctp:::state-change to shutdown-sent - %s\n",
+	    state_event[SCTP_STATE_SHUTDOWN_SENT] >= 1 ? "yes" : "no");
+	printf("sctp:::state-change to shutdown-received - %s\n",
+	    state_event[SCTP_STATE_SHUTDOWN_RECEIVED] >= 1 ? "yes" : "no");
+	printf("sctp:::state-change to shutdown-ack-sent - %s\n",
+	    state_event[SCTP_STATE_SHUTDOWN_ACK_SENT] >= 1 ? "yes" : "no");
+}
+EODTRACE
+
+status=$?
+
+cd /
+/bin/rm -rf $DIR
+
+exit $status
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localsctpstate.ksh.out b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localsctpstate.ksh.out
new file mode 100644
index 000000000000..8fe345a1785b
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localsctpstate.ksh.out
@@ -0,0 +1,12 @@
+Minimum SCTP events seen
+
+ip:::send - yes
+ip:::receive - yes
+sctp:::send - yes
+sctp:::receive - yes
+sctp:::state-change to cookie-wait - yes
+sctp:::state-change to cookie-echoed - yes
+sctp:::state-change to established - yes
+sctp:::state-change to shutdown-sent - yes
+sctp:::state-change to shutdown-received - yes
+sctp:::state-change to shutdown-ack-sent - yes
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotesctpstate.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotesctpstate.ksh
new file mode 100755
index 000000000000..3209c04e042c
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotesctpstate.ksh
@@ -0,0 +1,149 @@
+#!/usr/bin/env ksh93
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+#
+
+#
+# Test sctp:::state-change and sctp:::{send,receive} by connecting to
+# the remote http service.
+# A number of state transition events along with sctp send and receive
+# events for the message should result.
+#
+# This may fail due to:
+#
+# 1. A change to the ip stack breaking expected probe behavior,
+#    which is the reason we are testing.
+# 2. The lo0 interface missing or not up.
+# 3. The remote ssh service is not online.
+# 4. An unlikely race causes the unlocked global send/receive
+#    variables to be corrupted.
+#
+# This test performs a SCTP association to the http service (port 80) and
+# checks that at least the following packet counts were traced:
+#
+# 4 x ip:::send (2 during setup, 2 during teardown)
+# 4 x sctp:::send (2 during setup, 2 during teardown)
+# 3 x ip:::receive (2 during setup, 1 during teardown)
+# 3 x sctp:::receive (2 during setup, 1 during teardown)
+#
+
+if (( $# != 1 )); then
+	print -u2 "expected one argument: <dtrace-path>"
+	exit 2
+fi
+
+dtrace=$1
+getaddr=./get.ipv4remote.pl
+sctpport=80
+DIR=/var/tmp/dtest.$$
+
+if [[ ! -x $getaddr ]]; then
+	print -u2 "could not find or execute sub program: $getaddr"
+	exit 3
+fi
+$getaddr $sctpport sctp | read source dest
+if (( $? != 0 )); then
+	exit 4
+fi
+
+mkdir $DIR
+cd $DIR
+
+cat > test.pl <<-EOPERL
+	use IO::Socket;
+	my \$s = IO::Socket::INET->new(
+	    Type => SOCK_STREAM,
+	    Proto => "sctp",
+	    LocalAddr => "$source",
+	    PeerAddr => "$dest",
+	    PeerPort => $sctpport,
+	    Timeout => 3);
+	die "Could not connect to host $dest port $sctpport \$@" unless \$s;
+	close \$s;
+	sleep(2);
+EOPERL
+
+$dtrace -c 'perl test.pl' -qs /dev/stdin <<EODTRACE
+BEGIN
+{
+	ipsend = sctpsend = ipreceive = sctpreceive = 0;
+}
+
+ip:::send
+/args[2]->ip_saddr == "$source" && args[2]->ip_daddr == "$dest" &&
+    args[4]->ipv4_protocol == IPPROTO_SCTP/
+{
+	ipsend++;
+}
+
+sctp:::send
+/args[2]->ip_saddr == "$source" && args[2]->ip_daddr == "$dest" &&
+    args[4]->sctp_dport == $sctpport/
+{
+	sctpsend++;
+}
+
+ip:::receive
+/args[2]->ip_saddr == "$dest" && args[2]->ip_daddr == "$source" &&
+    args[4]->ipv4_protocol == IPPROTO_SCTP/
+{
+	ipreceive++;
+}
+
+sctp:::receive
+/args[2]->ip_saddr == "$dest" && args[2]->ip_daddr == "$source" &&
+    args[4]->sctp_sport == $sctpport/
+{
+	sctpreceive++;
+}
+
+sctp:::state-change
+{
+	state_event[args[3]->sctps_state]++;
+}
+
+END
+{
+	printf("Minimum SCTP events seen\n\n");
+	printf("ip:::send - %s\n", ipsend >= 4 ? "yes" : "no");
+	printf("ip:::receive - %s\n", ipreceive >= 3 ? "yes" : "no");
+	printf("sctp:::send - %s\n", sctpsend >= 4 ? "yes" : "no");
+	printf("sctp:::receive - %s\n", sctpreceive >= 3 ? "yes" : "no");
+	printf("sctp:::state-change to cookie-wait - %s\n",
+	    state_event[SCTP_STATE_COOKIE_WAIT] >=1 ? "yes" : "no");
+	printf("sctp:::state-change to cookie-echoed - %s\n",
+	    state_event[SCTP_STATE_COOKIE_ECHOED] >= 1 ? "yes" : "no");
+	printf("sctp:::state-change to established - %s\n",
+	    state_event[SCTP_STATE_ESTABLISHED] >= 1 ? "yes" : "no");
+	printf("sctp:::state-change to shutdown-sent - %s\n",
+	    state_event[SCTP_STATE_SHUTDOWN-SENT] >= 1 ? "yes" : "no");
+}
+EODTRACE
+
+status=$?
+
+cd /
+/bin/rm -rf $DIR
+
+exit $status
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotesctpstate.ksh.out b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotesctpstate.ksh.out
new file mode 100644
index 000000000000..a39b14fcfcb3
--- /dev/null
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotesctpstate.ksh.out
@@ -0,0 +1,12 @@
+Minimum SCTP events seen
+
+ip:::send - yes
+ip:::receive - yes
+SCTP:::send - yes
+sctp:::receive - yes
+sctp:::state-change to cookie-wait - yes
+sctp:::state-change to cookie-echoed - yes
+sctp:::state-change to established - yes
+sctp:::state-change to shutdown-sent - yes
+sctp:::state-change to closed - yes
+