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 static char *atp_ci(uint8_t);
36
37 static 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
48 void
interpret_atp(int flags,struct ddp_hdr * ddp,int len)49 interpret_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
96 static char *
atp_ci(uint8_t ci)97 atp_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