1#!/usr/bin/ksh
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#
30# Test ip:::{send,receive} of IPv4 ICMP to a local address.
31#
32# This may fail due to:
33#
34# 1. A change to the ip stack breaking expected probe behavior,
35#    which is the reason we are testing.
36# 2. The lo0 interface missing or not up.
37# 3. Unrelated ICMP on lo0 traced by accident.
38#
39
40if (( $# != 1 )); then
41	print -u2 "expected one argument: <dtrace-path>"
42	exit 2
43fi
44
45dtrace=$1
46local=127.0.0.1
47
48$dtrace -c "/sbin/ping -q -c 1 -t 3 $local" -qs /dev/stdin <<EOF | sort -n | \
49    grep -v -e '^round-trip ' -e '^--- '
50ip:::send
51/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
52    args[4]->ipv4_protocol == IPPROTO_ICMP/
53{
54	printf("2 ip:::send    (");
55	printf("args[2]: %d %d, ", args[2]->ip_ver, args[2]->ip_plength);
56	printf("args[4]: %d %d %d %d %d)\n",
57	    args[4]->ipv4_ver, args[4]->ipv4_length, args[4]->ipv4_flags,
58	    args[4]->ipv4_offset, args[4]->ipv4_ttl);
59}
60
61ip:::receive
62/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
63    args[4]->ipv4_protocol == IPPROTO_ICMP/
64{
65	printf("3 ip:::receive (");
66	printf("args[2]: %d %d, ", args[2]->ip_ver, args[2]->ip_plength);
67	printf("args[4]: %d %d %d %d %d)\n",
68	    args[4]->ipv4_ver, args[4]->ipv4_length, args[4]->ipv4_flags,
69	    args[4]->ipv4_offset, args[4]->ipv4_ttl);
70}
71EOF
72