xref: /netbsd-src/external/bsd/tcpdump/dist/l2vpn.c (revision 181254a7b1bdde6873432bffef2d2decc4b5c22f)
1 /*
2  * Redistribution and use in source and binary forms, with or without
3  * modification, are permitted provided that: (1) source code
4  * distributions retain the above copyright notice and this paragraph
5  * in its entirety, and (2) distributions including binary code include
6  * the above copyright notice and this paragraph in its entirety in
7  * the documentation or other materials provided with the distribution.
8  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
9  * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
10  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
11  * FOR A PARTICULAR PURPOSE.
12  *
13  * Original code by Hannes Gredler (hannes@gredler.at)
14  */
15 
16 #include <sys/cdefs.h>
17 #ifndef lint
18 __RCSID("$NetBSD: l2vpn.c,v 1.7 2017/09/08 14:01:12 christos Exp $");
19 #endif
20 
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24 
25 #include <netdissect-stdinc.h>
26 #include "netdissect.h"
27 #include "l2vpn.h"
28 
29 /*
30  * BGP Layer 2 Encapsulation Types
31  *
32  * RFC 6624
33  *
34  * http://www.iana.org/assignments/bgp-parameters/bgp-parameters.xhtml#bgp-l2-encapsulation-types-registry
35  */
36 const struct tok l2vpn_encaps_values[] = {
37     { 0, "Reserved"},
38     { 1, "Frame Relay"},
39     { 2, "ATM AAL5 SDU VCC transport"},
40     { 3, "ATM transparent cell transport"},
41     { 4, "Ethernet (VLAN) Tagged Mode"},
42     { 5, "Ethernet Raw Mode"},
43     { 6, "Cisco HDLC"},
44     { 7, "PPP"},
45     { 8, "SONET/SDH Circuit Emulation Service over MPLS"},
46     { 9, "ATM n-to-one VCC cell transport"},
47     { 10, "ATM n-to-one VPC cell transport"},
48     { 11, "IP layer 2 transport"},
49     { 15, "Frame Relay Port mode"},
50     { 17, "Structure-agnostic E1 over packet"},
51     { 18, "Structure-agnostic T1 (DS1) over packet"},
52     { 19, "VPLS"},
53     { 20, "Structure-agnostic T3 (DS3) over packet"},
54     { 21, "Nx64kbit/s Basic Service using Structure-aware"},
55     { 25, "Frame Relay DLCI"},
56     { 40, "Structure-agnostic E3 over packet"},
57     { 41, "Octet-aligned playload for Structure-agnostic DS1 circuits"},
58     { 42, "E1 Nx64kbit/s with CAS using Structure-aware"},
59     { 43, "DS1 (ESF) Nx64kbit/s with CAS using Structure-aware"},
60     { 44, "DS1 (SF) Nx64kbit/s with CAS using Structure-aware"},
61     { 0, NULL}
62 };
63 
64 /*
65  * MPLS Pseudowire Types
66  *
67  * RFC 4446
68  *
69  * http://www.iana.org/assignments/pwe3-parameters/pwe3-parameters.xhtml#pwe3-parameters-2
70  */
71 const struct tok mpls_pw_types_values[] = {
72     { 0x0000, "Reserved"},
73     { 0x0001, "Frame Relay DLCI (Martini Mode)"},
74     { 0x0002, "ATM AAL5 SDU VCC transport"},
75     { 0x0003, "ATM transparent cell transport"},
76     { 0x0004, "Ethernet VLAN"},
77     { 0x0005, "Ethernet"},
78     { 0x0006, "Cisco-HDLC"},
79     { 0x0007, "PPP"},
80     { 0x0008, "SONET/SDH Circuit Emulation Service over MPLS"},
81     { 0x0009, "ATM n-to-one VCC cell transport"},
82     { 0x000a, "ATM n-to-one VPC cell transport"},
83     { 0x000b, "IP Layer2 Transport"},
84     { 0x000c, "ATM one-to-one VCC Cell Mode"},
85     { 0x000d, "ATM one-to-one VPC Cell Mode"},
86     { 0x000e, "ATM AAL5 PDU VCC transport"},
87     { 0x000f, "Frame-Relay Port mode"},
88     { 0x0010, "SONET/SDH Circuit Emulation over Packet"},
89     { 0x0011, "Structure-agnostic E1 over Packet"},
90     { 0x0012, "Structure-agnostic T1 (DS1) over Packet"},
91     { 0x0013, "Structure-agnostic E3 over Packet"},
92     { 0x0014, "Structure-agnostic T3 (DS3) over Packet"},
93     { 0x0015, "CESoPSN basic mode"},
94     { 0x0016, "TDMoIP basic mode"},
95     { 0x0017, "CESoPSN TDM with CAS"},
96     { 0x0018, "TDMoIP TDM with CAS"},
97     { 0x0019, "Frame Relay DLCI"},
98     { 0x0040, "IP-interworking"},
99     { 0, NULL}
100 };
101