osmocom
/
wireshark
11
0
Fork 1
Code Issues Pull Requests Projects Releases Wiki Activity

From Subramanian via https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8109 Add support for Bidirectional Forwarding Detection (BFD) for MPLS Label Switched Paths (LSPs) [ RFC 5884] 

svn path=/trunk/; revision=47193
This commit is contained in:
Alexis La Goutte 2013-01-21 08:38:40 +00:00
parent b7548f11bd
commit 23b5828115
2 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
AUTHORS
View File

@ -3489,6 +3489,10 @@ Kaushal Shah <kshah3[AT]ncsu.edu> {
and Reserved sub-TLVs as per Section 6 of RFC3630
}
Subramanian Ramachandran <sramach6[AT]ncsu.edu> {
Support for BFD for MPLS LSP's as per RFC 5884
}
and by:
Pavel Roskin <proski[AT]gnu.org>

14
epan/dissectors/packet-mpls-echo.c
View File

@ -14,6 +14,8 @@
* - Support for LSP Ping extensions as per RFC 6426
* Mayuresh Raut <msraut@ncsu.edu>
* - Support for LSP ping over MPLS as per RFC 6424
* (c) Copyright 2012, Subramanian Ramachandran <sramach6@ncsu.edu>
* - Support for BFD for MPLS as per RFC 5884
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -206,6 +208,7 @@ static int hf_mpls_echo_tlv_responder_indent_type = -1;
static int hf_mpls_echo_tlv_responder_indent_len = -1;
static int hf_mpls_echo_tlv_responder_indent_ipv4 = -1;
static int hf_mpls_echo_tlv_responder_indent_ipv6 = -1;
static int hf_mpls_echo_tlv_bfd = -1;
static gint ett_mpls_echo = -1;
static gint ett_mpls_echo_gflags = -1;
@ -277,6 +280,8 @@ static value_string_ext mpls_echo_returncode_ext = VALUE_STRING_EXT_INIT(mpls_ec
/* As per RFC 6426 http://tools.ietf.org/html/rfc6426 Section: 2.2.1 */
#define TLV_SRC_IDENTIFIER 0x000D
#define TLV_DST_IDENTIFIER 0x000E
/* As per RFC 5884 http://tools.ietf.org/html/rfc5884 Section: 6.1 */
#define TLV_BFD_DISCRIMINATOR 0x000F
/* As per RFC 6426 http://tools.ietf.org/html/rfc6426 Section: 7.3 */
#define TLV_REVERSE_PATH_FEC_STACK 0x0010
#define TLV_DETAILED_DOWNSTREAM 0x0014 /* [RFC6424] */
@ -303,6 +308,7 @@ static const value_string mpls_echo_tlv_type_names[] = {
{ TLV_P2MP_ECHO_JITTER, "P2MP Echo Jitter" },
{ TLV_SRC_IDENTIFIER, "Source Identifier TLV" },
{ TLV_DST_IDENTIFIER, "Destination Identifier TLV" },
{ TLV_BFD_DISCRIMINATOR, "BFD Discriminator TLV" },
{ TLV_REVERSE_PATH_FEC_STACK, "Reverse-path Target FEC Stack" },
{ TLV_DETAILED_DOWNSTREAM, "Detailed Downstream Mapping"},
{ TLV_VENDOR_PRIVATE_START, "Vendor Private" },
@ -1633,6 +1639,10 @@ dissect_mpls_echo_tlv(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tre
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_lspping_tlv_src_addr_nid,
tvb, (offset + 8), 4, ENC_BIG_ENDIAN);
break;
case TLV_BFD_DISCRIMINATOR:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_bfd,
tvb, (offset + 4), 4, ENC_BIG_ENDIAN);
break;
case TLV_REVERSE_PATH_FEC_STACK:
dissect_mpls_echo_tlv_fec (tvb, pinfo, (offset + 4), mpls_echo_tlv_tree, length);
break ;
@ -2414,6 +2424,10 @@ proto_register_mpls_echo(void)
{ "Echo Jitter time", "mpls_echo.tlv.echo_jitter",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO Jitter time", HFILL}
},
{ &hf_mpls_echo_tlv_bfd,
{ "BFD Discriminator", "mpls_echo.bfd_discriminator",
FT_UINT32, BASE_HEX, NULL, 0x0, "MPLS ECHO BFD Discriminator", HFILL}
},
};
static gint *ett[] = {