1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * 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 * Copyright (c) 2001 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 #include <stdio.h>
30 #include <sys/types.h>
31
32 #include <at.h>
33 #include <snoop.h>
34
35 void
interpret_aecho(int flags,struct ddp_hdr * ddp,int len)36 interpret_aecho(int flags, struct ddp_hdr *ddp, int len)
37 {
38 char *data;
39
40 data = (char *)ddp + DDPHDR_SIZE;
41
42 if (flags & F_SUM) {
43 if (len < DDPHDR_SIZE + 1) {
44 (void) snprintf(get_sum_line(), MAXLINE,
45 "AECHO (short packet)");
46 return;
47 }
48
49 (void) snprintf(get_sum_line(), MAXLINE,
50 "AECHO F=%s LEN=%d",
51 *data == AEP_REQ ? "Request" : "Reply",
52 len);
53 }
54
55 if (flags & F_DTAIL) {
56 if (len < DDPHDR_SIZE + 1) {
57 (void) snprintf(get_line(0, 0), get_line_remain(),
58 "AECHO (short packet)");
59 return;
60 }
61
62 show_header("AECHO: ", "AECHO Header", len);
63 show_space();
64
65 (void) snprintf(get_line(0, 0), get_line_remain(),
66 "Func = %d (%s)",
67 data[0],
68 data[0] == AEP_REQ ? "Request" : "Reply");
69 (void) snprintf(get_line(0, 0), get_line_remain(),
70 "Length = %d", len);
71 }
72 }
73