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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <stdio.h>
28 #include <sys/types.h>
29 #include <sys/socket.h>
30 #include <sys/ethernet.h>
31 #include <sys/vlan.h>
32 #include <net/trill.h>
33
34 #include <snoop.h>
35
36 #define PDUTYPE_OFFSET 4
37 #define PDUTYPE_HELLO1 15
38 #define PDUTYPE_HELLO2 16
39 #define PDUTYPE_HELLOP2P 17
40 #define PDUTYPE_LSP1 18
41 #define PDUTYPE_LSP2 20
42 #define PDUTYPE_CSN1 24
43 #define PDUTYPE_CSN2 25
44 #define PDUTYPE_PSN1 26
45 #define PDUTYPE_PSN2 27
46
47 int
interpret_isis(int flags,char * data,int dlen,boolean_t istrill)48 interpret_isis(int flags, char *data, int dlen, boolean_t istrill)
49 {
50 uint8_t pdutypenum;
51 char *pdutype;
52
53 pdutypenum = *(data+ PDUTYPE_OFFSET);
54 switch (pdutypenum) {
55 case PDUTYPE_HELLO1:
56 case PDUTYPE_HELLO2:
57 pdutype = "Hello";
58 break;
59 case PDUTYPE_HELLOP2P:
60 pdutype = "P2P Hello";
61 break;
62 case PDUTYPE_LSP1:
63 case PDUTYPE_LSP2:
64 pdutype = "Link State";
65 break;
66 case PDUTYPE_CSN1:
67 case PDUTYPE_CSN2:
68 pdutype = "CSN";
69 break;
70 case PDUTYPE_PSN1:
71 case PDUTYPE_PSN2:
72 pdutype = "PSN";
73 break;
74 default:
75 pdutype = "Unknown";
76 break;
77 }
78
79 if (flags & F_SUM) {
80 (void) snprintf(get_sum_line(), MAXLINE,
81 "%s %s L:%d", istrill ? "Core TRILL IS-IS" : "IS-IS",
82 pdutype, dlen);
83 }
84
85 if (flags & F_DTAIL) {
86 if (istrill) {
87 show_header("TRILL-IS-IS: ",
88 "Core TRILL IS-IS Frame", dlen);
89 } else {
90 show_header("IS-IS: ",
91 "IS-IS Frame", dlen);
92 }
93 show_space();
94 (void) snprintf(get_line(0, 0), get_line_remain(),
95 "Frame type = %02X (%s)", pdutypenum, pdutype);
96 show_trailer();
97 }
98 return (0);
99 }
100