#!/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
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# CDDL HEADER END
#

#
# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
#pragma ident	"%Z%%M%	%I%	%E% SMI"

#
# Test ip:::{send,receive} of IPv4 ICMP to a local address.
#
# 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. Unrelated ICMP on lo0 traced by accident.
#

if (( $# != 1 )); then
	print -u2 "expected one argument: <dtrace-path>"
	exit 2
fi

dtrace=$1
local=127.0.0.1

$dtrace -c "/sbin/ping -q -c 1 -t 3 $local" -qs /dev/stdin <<EOF | sort -n | \
    grep -v -e '^round-trip ' -e '^--- '
ip:::send
/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
    args[4]->ipv4_protocol == IPPROTO_ICMP/
{
	printf("2 ip:::send    (");
	printf("args[2]: %d %d, ", args[2]->ip_ver, args[2]->ip_plength);
	printf("args[4]: %d %d %d %d %d)\n",
	    args[4]->ipv4_ver, args[4]->ipv4_length, args[4]->ipv4_flags,
	    args[4]->ipv4_offset, args[4]->ipv4_ttl);
}

ip:::receive
/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
    args[4]->ipv4_protocol == IPPROTO_ICMP/
{
	printf("3 ip:::receive (");
	printf("args[2]: %d %d, ", args[2]->ip_ver, args[2]->ip_plength);
	printf("args[4]: %d %d %d %d %d)\n",
	    args[4]->ipv4_ver, args[4]->ipv4_length, args[4]->ipv4_flags,
	    args[4]->ipv4_offset, args[4]->ipv4_ttl);
}
EOF