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
35static char *atp_ci(uint8_t);
36
37static char *atp_trel[8] = {
38	"30s",
39	"1m",
40	"2m",
41	"4m",
42	"8m",
43	"(undef 5)",
44	"(undef 6)",
45	"(undef 7)"
46};
47
48void
49interpret_atp(int flags, struct ddp_hdr *ddp, int len)
50{
51	struct atp_hdr *atp = (struct atp_hdr *)ddp;
52	int atplen = len - (DDPHDR_SIZE + ATPHDR_SIZE);
53
54	if (flags & F_SUM) {
55		if (atplen < 0) {
56			(void) snprintf(get_sum_line(), MAXLINE,
57			    "ATP (short packet)");
58			return;
59		}
60		(void) snprintf(get_sum_line(), MAXLINE,
61		    "ATP (%s), TID=%d, L=%d",
62		    atp_ci(atp->atp_ctrl),
63		    get_short((uint8_t *)&atp->atp_tid),
64		    len);
65	}
66
67	if (flags & F_DTAIL) {
68		show_header("ATP:  ", "ATP Header", 8);
69		show_space();
70
71		if (atplen < 0) {
72			(void) snprintf(get_line(0, 0), get_line_remain(),
73			    "ATP (short packet)");
74			return;
75		}
76		(void) snprintf(get_line(0, 0), get_line_remain(),
77		    "Length = %d", len);
78		(void) snprintf(get_line(0, 0), get_line_remain(),
79		    "Ctrl = 0x%x (%s), bitmap/seq = 0x%x",
80		    atp->atp_ctrl,
81		    atp_ci(atp->atp_ctrl),
82		    atp->atp_seq);
83		(void) snprintf(get_line(0, 0), get_line_remain(),
84		    "TID = %d, user bytes 0x%x 0x%x 0x%x 0x%x",
85		    get_short((uint8_t *)&atp->atp_tid),
86		    atp->atp_user[0], atp->atp_user[1],
87		    atp->atp_user[2], atp->atp_user[3]);
88		show_space();
89	}
90
91	if (ddp->ddp_dest_sock == DDP_TYPE_ZIP ||
92	    ddp->ddp_src_sock == DDP_TYPE_ZIP)
93		interpret_atp_zip(flags, atp, atplen);
94}
95
96static char *
97atp_ci(uint8_t ci)
98{
99	static char buf[50];
100	char *p = buf;
101	char *to = NULL;
102	char *tail = &buf[sizeof (buf)];
103
104	switch (atp_fun(ci)) {
105	case ATP_TREQ:
106		p += snprintf(p, tail-p, "TReq");
107		to = atp_trel[atp_tmo(ci)];
108		break;
109	case ATP_TRESP:
110		p += snprintf(p, tail-p, "TResp");
111		break;
112	case ATP_TREL:
113		p += snprintf(p, tail-p, "TRel");
114		break;
115	}
116
117	p += snprintf(p, tail-p, ci & ATP_FLG_XO ? " XO" : " ALO");
118
119	if (ci & ATP_FLG_EOM)
120		p += snprintf(p, tail-p, " EOM");
121
122	if (ci & ATP_FLG_STS)
123		p += snprintf(p, tail-p, " STS");
124
125	if (to != NULL)
126		(void) snprintf(p, tail-p, " %s", to);
127	return (buf);
128}
129