xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/ip/tst.ipv4localicmp.ksh (revision 8119dad84d6416f13557b0ba8e2aaf9064cbcfd3)
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
28#
29# Test ip:::{send,receive} of IPv4 ICMP to a local address.
30#
31# This may fail due to:
32#
33# 1. A change to the ip stack breaking expected probe behavior,
34#    which is the reason we are testing.
35# 2. The lo0 interface missing or not up.
36# 3. Unrelated ICMP on lo0 traced by accident.
37#
38
39if (( $# != 1 )); then
40	print -u2 "expected one argument: <dtrace-path>"
41	exit 2
42fi
43
44dtrace=$1
45local=127.0.0.1
46
47$dtrace -c "/usr/sbin/ping -D $local 3" -qs /dev/stdin <<EOF | sort -n
48ip:::send
49/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
50    args[4]->ipv4_protocol == IPPROTO_ICMP/
51{
52	printf("1 ip:::send    (");
53	printf("args[2]: %d %d, ", args[2]->ip_ver, args[2]->ip_plength);
54	printf("args[4]: %d %d %d %d %d)\n",
55	    args[4]->ipv4_ver, args[4]->ipv4_length, args[4]->ipv4_flags,
56	    args[4]->ipv4_offset, args[4]->ipv4_ttl);
57}
58
59ip:::receive
60/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
61    args[4]->ipv4_protocol == IPPROTO_ICMP/
62{
63	printf("2 ip:::receive (");
64	printf("args[2]: %d %d, ", args[2]->ip_ver, args[2]->ip_plength);
65	printf("args[4]: %d %d %d %d %d)\n",
66	    args[4]->ipv4_ver, args[4]->ipv4_length, args[4]->ipv4_flags,
67	    args[4]->ipv4_offset, args[4]->ipv4_ttl);
68}
69EOF
70