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      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
     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