xref: /titanic_41/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_adsp.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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) 1991-2001 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 *adsp_ctrl(uint8_t);
36 
37 void
interpret_adsp(int flags,struct ddp_adsphdr * adp,int len)38 interpret_adsp(int flags, struct ddp_adsphdr *adp, int len)
39 {
40 	struct ddp_adsp_open *apo;
41 
42 	if (flags & F_SUM) {
43 		if (len < sizeof (struct ddp_adsphdr)) {
44 			(void) snprintf(get_sum_line(), MAXLINE,
45 			    "ADSP (short packet)");
46 			return;
47 		}
48 		(void) snprintf(get_sum_line(), MAXLINE,
49 		    "ADSP ConnID=%u (%s)",
50 		    get_short(adp->ad_connid),
51 		    adsp_ctrl(adp->ad_desc));
52 	}
53 
54 	if (flags & F_DTAIL) {
55 		show_header("ADSP: ", "ADSP Header",
56 		    len - sizeof (struct ddp_adsphdr));
57 		show_space();
58 
59 		if (len < sizeof (struct ddp_adsphdr)) {
60 			(void) snprintf(get_line(0, 0), get_line_remain(),
61 			    "(short packet)");
62 			return;
63 		}
64 
65 		(void) snprintf(get_line(0, 0), get_line_remain(),
66 		    "ConnID = %u, ByteSeq = %u, RecvSeq = %u",
67 		    get_short(adp->ad_connid),
68 		    get_long(adp->ad_fbseq),
69 		    get_long(adp->ad_nrseq));
70 
71 		(void) snprintf(get_line(0, 0), get_line_remain(),
72 		    "RcvWin = %u, Ctrl = 0x%x (%s)",
73 		    get_short(adp->ad_rcvwin),
74 		    adp->ad_desc,
75 		    adsp_ctrl(adp->ad_desc));
76 
77 		switch (adp->ad_desc) {
78 		case AD_CREQ:		/* open requests */
79 		case AD_CACK:
80 		case AD_CREQ_ACK:
81 		case AD_CDENY:
82 			apo = (struct ddp_adsp_open *)adp;
83 			if (len < sizeof (struct ddp_adsp_open)) {
84 				(void) snprintf(get_line(0, 0),
85 				    get_line_remain(),
86 				    "(short packet)");
87 				return;
88 			}
89 			(void) snprintf(get_line(0, 0), get_line_remain(),
90 			    "Dest ConnID = %u, AttRcvSeq = %u",
91 			    get_short(apo->ad_dconnid),
92 			    get_long(apo->ad_attseq));
93 			break;
94 		}
95 
96 		if (adp->ad_desc & AD_ATT) {
97 			(void) snprintf(get_line(0, 0), get_line_remain(),
98 			    "AttCode = 0x%x",
99 			    get_short(((struct ddp_adsp_att *)adp)->
100 				ad_att_code));
101 		}
102 	}
103 }
104 
105 static char *adsp_ctrl_msg[] = {
106 	"Probe/Ack",
107 	"OpenConnReq",
108 	"OpenConnAck",
109 	"OpenConnReq+Ack",
110 	"OpenConnDeny",
111 	"CloseConnAdv",
112 	"ForwReset",
113 	"ForwReset Ack",
114 	"RetransAdv",
115 	"9", "10", "11", "12", "13", "14", "15",
116 };
117 
118 static char *
adsp_ctrl(uint8_t ctrl)119 adsp_ctrl(uint8_t ctrl)
120 {
121 	static char buf[50];
122 	char *p = buf;
123 	char *tail = &buf[sizeof (buf)];
124 
125 	if (ctrl & AD_ACKREQ)
126 		p += snprintf(p, tail-p, "AckReq");
127 
128 	if (ctrl & AD_EOM) {
129 		p += snprintf(p, tail-p, p == buf ? "EOM" : " EOM");
130 	}
131 
132 	if (ctrl & AD_ATT) {
133 		p += snprintf(p, tail-p, p == buf ? "Att" : " Att");
134 	}
135 
136 	if (ctrl & AD_CTRL) {
137 		(void) snprintf(p, tail-p, "%s%s", p == buf ? "" : " ",
138 		    adsp_ctrl_msg[ctrl & AD_CTRL_MASK]);
139 	}
140 
141 	return (buf);
142 }
143