1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ethernet.h>
#include <sys/vlan.h>
#include <net/trill.h>
#include <snoop.h>
#define PDUTYPE_OFFSET 4
#define PDUTYPE_HELLO1 15
#define PDUTYPE_HELLO2 16
#define PDUTYPE_HELLOP2P 17
#define PDUTYPE_LSP1 18
#define PDUTYPE_LSP2 20
#define PDUTYPE_CSN1 24
#define PDUTYPE_CSN2 25
#define PDUTYPE_PSN1 26
#define PDUTYPE_PSN2 27
int
interpret_isis(int flags, char *data, int dlen, boolean_t istrill)
{
uint8_t pdutypenum;
char *pdutype;
pdutypenum = *(data+ PDUTYPE_OFFSET);
switch (pdutypenum) {
case PDUTYPE_HELLO1:
case PDUTYPE_HELLO2:
pdutype = "Hello";
break;
case PDUTYPE_HELLOP2P:
pdutype = "P2P Hello";
break;
case PDUTYPE_LSP1:
case PDUTYPE_LSP2:
pdutype = "Link State";
break;
case PDUTYPE_CSN1:
case PDUTYPE_CSN2:
pdutype = "CSN";
break;
case PDUTYPE_PSN1:
case PDUTYPE_PSN2:
pdutype = "PSN";
break;
default:
pdutype = "Unknown";
break;
}
if (flags & F_SUM) {
(void) snprintf(get_sum_line(), MAXLINE,
"%s %s L:%d", istrill ? "Core TRILL IS-IS" : "IS-IS",
pdutype, dlen);
}
if (flags & F_DTAIL) {
if (istrill) {
show_header("TRILL-IS-IS: ",
"Core TRILL IS-IS Frame", dlen);
} else {
show_header("IS-IS: ",
"IS-IS Frame", dlen);
}
show_space();
(void) snprintf(get_line(0, 0), get_line_remain(),
"Frame type = %02X (%s)", pdutypenum, pdutype);
show_trailer();
}
return (0);
}
|