xref: /onnv-gate/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_nbp.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 2001 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <sys/types.h>
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #include <at.h>
33*0Sstevel@tonic-gate #include <snoop.h>
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate static void show_nbp_tuples(uint8_t *, int, uint8_t *);
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate static char *nbp_short[] = {
38*0Sstevel@tonic-gate 	"0",				/* 0 */
39*0Sstevel@tonic-gate 	"BRRQ   ",			/* 1 */
40*0Sstevel@tonic-gate 	"LKUP C ",			/* 2 */
41*0Sstevel@tonic-gate 	"LKUP R ",			/* 3 */
42*0Sstevel@tonic-gate 	"FWD    ",			/* 4 */
43*0Sstevel@tonic-gate 	"5      ",
44*0Sstevel@tonic-gate 	"6      ",
45*0Sstevel@tonic-gate 	"7      ",
46*0Sstevel@tonic-gate 	"8      ",
47*0Sstevel@tonic-gate 	"9      ",
48*0Sstevel@tonic-gate 	"10     ",
49*0Sstevel@tonic-gate 	"11     ",
50*0Sstevel@tonic-gate 	"RGSTR  ",			/* 12 */
51*0Sstevel@tonic-gate 	"UNRGSTR",			/* 13 */
52*0Sstevel@tonic-gate 	"OK     ",			/* 14 */
53*0Sstevel@tonic-gate 	"ERROR  ",			/* 15 */
54*0Sstevel@tonic-gate };
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate void
interpret_nbp(int flags,struct nbp_hdr * nbp,int len)57*0Sstevel@tonic-gate interpret_nbp(int flags, struct nbp_hdr *nbp, int len)
58*0Sstevel@tonic-gate {
59*0Sstevel@tonic-gate 	uint8_t *data;
60*0Sstevel@tonic-gate 	int nbp_cnt = nbp->nbp_fun_cnt & 0xf; /* lower four bits */
61*0Sstevel@tonic-gate 	int nbp_op = (nbp->nbp_fun_cnt >> 4) & 0xf; /* upper four bits */
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate 	data = (uint8_t *)(nbp + 1);
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 	if (flags & F_SUM) {
66*0Sstevel@tonic-gate 		if (len < sizeof (struct nbp_hdr)) {
67*0Sstevel@tonic-gate 			(void) snprintf(get_sum_line(), MAXLINE,
68*0Sstevel@tonic-gate 			    "NBP (short packet)");
69*0Sstevel@tonic-gate 			return;
70*0Sstevel@tonic-gate 		}
71*0Sstevel@tonic-gate 		(void) snprintf(get_sum_line(), MAXLINE,
72*0Sstevel@tonic-gate 		    "NBP F=%s CNT=%d ID=%d", nbp_short[nbp_op],
73*0Sstevel@tonic-gate 		    nbp_cnt, nbp->nbp_id);
74*0Sstevel@tonic-gate 	}
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate 	if (flags & F_DTAIL) {
77*0Sstevel@tonic-gate 		show_header("NBP:  ", "NBP Header", len);
78*0Sstevel@tonic-gate 		show_space();
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate 		if (len < sizeof (struct nbp_hdr)) {
81*0Sstevel@tonic-gate 			(void) snprintf(get_line(0, 0), get_line_remain(),
82*0Sstevel@tonic-gate 			    "NBP (short packet)");
83*0Sstevel@tonic-gate 			return;
84*0Sstevel@tonic-gate 		}
85*0Sstevel@tonic-gate 		(void) snprintf(get_line(0, 0), get_line_remain(),
86*0Sstevel@tonic-gate 		    "Length = %d", len);
87*0Sstevel@tonic-gate 
88*0Sstevel@tonic-gate 		(void) snprintf(get_line(0, 0), get_line_remain(),
89*0Sstevel@tonic-gate 		    "Func = %d (%s)", nbp_op, nbp_short[nbp_op]);
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate 		(void) snprintf(get_line(0, 0), get_line_remain(),
92*0Sstevel@tonic-gate 		    "Tuple count = %d", nbp_cnt);
93*0Sstevel@tonic-gate 		(void) snprintf(get_line(0, 0), get_line_remain(),
94*0Sstevel@tonic-gate 		    "Id = %d", nbp->nbp_id);
95*0Sstevel@tonic-gate 		show_nbp_tuples(data, nbp_cnt, ((uint8_t *)nbp) + len);
96*0Sstevel@tonic-gate 	}
97*0Sstevel@tonic-gate }
98*0Sstevel@tonic-gate 
99*0Sstevel@tonic-gate static void
show_nbp_tuples(uint8_t * p,int tuples,uint8_t * tail)100*0Sstevel@tonic-gate show_nbp_tuples(uint8_t *p, int tuples, uint8_t *tail)
101*0Sstevel@tonic-gate {
102*0Sstevel@tonic-gate 	uint16_t net;
103*0Sstevel@tonic-gate 	uint8_t node;
104*0Sstevel@tonic-gate 	uint8_t sock;
105*0Sstevel@tonic-gate 	uint8_t enumer;
106*0Sstevel@tonic-gate 	char obj[100];
107*0Sstevel@tonic-gate 	char *op;
108*0Sstevel@tonic-gate 	char *otail = &obj[sizeof (obj)];
109*0Sstevel@tonic-gate 
110*0Sstevel@tonic-gate 	while (tuples--) {
111*0Sstevel@tonic-gate 		op = obj;
112*0Sstevel@tonic-gate 		if ((p + 5) > tail)
113*0Sstevel@tonic-gate 			goto out;
114*0Sstevel@tonic-gate 		net = get_short(p);
115*0Sstevel@tonic-gate 		p += 2;
116*0Sstevel@tonic-gate 		node = *p++;
117*0Sstevel@tonic-gate 		sock = *p++;
118*0Sstevel@tonic-gate 		enumer = *p++;
119*0Sstevel@tonic-gate 
120*0Sstevel@tonic-gate 		if (p > tail || &p[1]+p[0] > tail)
121*0Sstevel@tonic-gate 			goto out;
122*0Sstevel@tonic-gate 		op += snprintf(op, otail-op, "%.*s", p[0], &p[1]);
123*0Sstevel@tonic-gate 
124*0Sstevel@tonic-gate 		p = &p[1]+p[0];
125*0Sstevel@tonic-gate 		if (p > tail || &p[1]+p[0] > tail)
126*0Sstevel@tonic-gate 			goto out;
127*0Sstevel@tonic-gate 		op += snprintf(op, otail-op, ":%.*s", p[0], &p[1]);
128*0Sstevel@tonic-gate 
129*0Sstevel@tonic-gate 		p = &p[1]+p[0];
130*0Sstevel@tonic-gate 		if (p > tail || &p[1]+p[0] > tail)
131*0Sstevel@tonic-gate 			goto out;
132*0Sstevel@tonic-gate 		(void) snprintf(op, otail-op, "@%.*s", p[0], &p[1]);
133*0Sstevel@tonic-gate 		p = &p[1]+p[0];
134*0Sstevel@tonic-gate 
135*0Sstevel@tonic-gate 		(void) snprintf(get_line(0, 0), get_line_remain(),
136*0Sstevel@tonic-gate 		    "Name = \"%s\"", obj);
137*0Sstevel@tonic-gate 		(void) snprintf(get_line(0, 0), get_line_remain(),
138*0Sstevel@tonic-gate 		    "Net = %d, node = %d, sock = %d, enum = %d",
139*0Sstevel@tonic-gate 		    net, node, sock, enumer);
140*0Sstevel@tonic-gate 	}
141*0Sstevel@tonic-gate 	return;
142*0Sstevel@tonic-gate out:
143*0Sstevel@tonic-gate 	(void) snprintf(get_line(0, 0), get_line_remain(),
144*0Sstevel@tonic-gate 	    "NBP (short tuple)");
145*0Sstevel@tonic-gate }
146