xref: /onnv-gate/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_aecho.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 2001 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <sys/types.h>
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #include <at.h>
33*0Sstevel@tonic-gate #include <snoop.h>
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate void
interpret_aecho(int flags,struct ddp_hdr * ddp,int len)36*0Sstevel@tonic-gate interpret_aecho(int flags, struct ddp_hdr *ddp, int len)
37*0Sstevel@tonic-gate {
38*0Sstevel@tonic-gate 	char *data;
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate 	data = (char *)ddp + DDPHDR_SIZE;
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate 	if (flags & F_SUM) {
43*0Sstevel@tonic-gate 		if (len < DDPHDR_SIZE + 1) {
44*0Sstevel@tonic-gate 			(void) snprintf(get_sum_line(), MAXLINE,
45*0Sstevel@tonic-gate 			    "AECHO (short packet)");
46*0Sstevel@tonic-gate 			return;
47*0Sstevel@tonic-gate 		}
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate 		(void) snprintf(get_sum_line(), MAXLINE,
50*0Sstevel@tonic-gate 		    "AECHO F=%s LEN=%d",
51*0Sstevel@tonic-gate 		    *data == AEP_REQ ? "Request" : "Reply",
52*0Sstevel@tonic-gate 		    len);
53*0Sstevel@tonic-gate 	}
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	if (flags & F_DTAIL) {
56*0Sstevel@tonic-gate 		if (len < DDPHDR_SIZE + 1) {
57*0Sstevel@tonic-gate 			(void) snprintf(get_line(0, 0), get_line_remain(),
58*0Sstevel@tonic-gate 			    "AECHO (short packet)");
59*0Sstevel@tonic-gate 			return;
60*0Sstevel@tonic-gate 		}
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate 		show_header("AECHO:  ", "AECHO Header", len);
63*0Sstevel@tonic-gate 		show_space();
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 		(void) snprintf(get_line(0, 0), get_line_remain(),
66*0Sstevel@tonic-gate 		    "Func = %d (%s)",
67*0Sstevel@tonic-gate 		    data[0],
68*0Sstevel@tonic-gate 		    data[0] == AEP_REQ ? "Request" : "Reply");
69*0Sstevel@tonic-gate 		(void) snprintf(get_line(0, 0), get_line_remain(),
70*0Sstevel@tonic-gate 		    "Length = %d", len);
71*0Sstevel@tonic-gate 	}
72*0Sstevel@tonic-gate }
73