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From Rupesh Patro:

Browse source 
Add dissection of MPLS Upstream Label Assignment for LDP [RFC 6389].

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8020

svn path=/trunk/; revision=50719
This commit is contained in:
Anders Broman 2013-07-18 04:50:36 +00:00
parent d312f171cd
commit 6a19e6d9fd
1 changed files with 328 additions and 5 deletions
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333
epan/dissectors/packet-ldp.c
View file

@ -17,6 +17,9 @@
* (c) Copyright 2013, Gaurav Patwardhan <gspatwar@ncsu.edu>
* - support for the GTSM flag as per RFC 6720
*
* (c) Copyright 2013, Rupesh Patro <rbpatro@ncsu.edu>
* - Support for Upstream-Assigned Label TLVs and Sub-TLVs as per RFC 6389
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1999 Gerald Combs
@ -282,6 +285,26 @@ static int hf_ldp_tlv_intparam_vccv_cctype_ttl1 = -1;
static int hf_ldp_tlv_intparam_vccv_cvtype_icmpping = -1;
static int hf_ldp_tlv_intparam_vccv_cvtype_lspping = -1;
static int hf_ldp_tlv_intparam_vccv_cvtype_bfd = -1;
static int hf_ldp_tlv_upstr_sbit = -1;
static int hf_ldp_tlv_upstr_lbl_req_resvbit = -1;
static int hf_ldp_tlv_upstr_ass_lbl = -1;
static int hf_ldp_tlv_upstr_lbl_resvbit = -1;
static int hf_ldp_tlv_ipv4_intID_hop_addr = -1;
static int hf_ldp_tlv_logical_intID = -1;
static int hf_ldp_tlv_ip_multicast_srcaddr = -1;
static int hf_ldp_tlv_ip_multicast_mltcstaddr = -1;
static int hf_ldp_tlv_ldp_p2mp_lsptype = -1;
static int hf_ldp_tlv_ip_mpls_context_srcaddr = -1;
static int hf_ldp_tlv_ldp_p2mp_addrfam = -1;
static int hf_ldp_tlv_ldp_p2mp_addrlen = -1;
static int hf_ldp_tlv_ldp_p2mp_rtnodeaddr = -1;
static int hf_ldp_tlv_ldp_p2mp_oplength = -1;
static int hf_ldp_tlv_ldp_p2mp_opvalue = -1;
static int hf_ldp_tlv_rsvp_te_p2mp_id = -1;
static int hf_ldp_tlv_must_be_zero = -1;
static int hf_ldp_tlv_tunnel_id = -1;
static int hf_ldp_tlv_ext_tunnel_id = -1;
static int hf_ldp_tlv_inv_length = -1;
static int ett_ldp = -1;
static int ett_ldp_header = -1;
@ -300,11 +323,13 @@ static int ett_ldp_gen_agi = -1;
static int ett_ldp_gen_saii = -1;
static int ett_ldp_gen_taii = -1;
static int ett_ldp_gen_aai_type2 = -1;
static int ett_ldp_sub_tlv = -1;
static expert_field ei_ldp_dtsm_and_target = EI_INIT;
static expert_field ei_ldp_gtsm_supported = EI_INIT;
static expert_field ei_ldp_gtsm_not_supported_basic_discovery = EI_INIT;
static expert_field ei_ldp_gtsm_not_supported = EI_INIT;
static expert_field ei_ldp_inv_length = EI_INIT;
/* desegmentation of LDP over TCP */
static gboolean ldp_desegment = TRUE;
@ -352,6 +377,13 @@ static guint32 global_ldp_udp_port = UDP_PORT_LDP;
#define TLV_LSPID 0x0821
#define TLV_RESOURCE_CLASS 0x0822
#define TLV_ROUTE_PINNING 0x0823
#define TLV_UPSTRM_LBL_ASS_CAP 0x0507
#define TLV_UPSTRM_ASS_LBL_REQ 0x0205
#define TLV_UPSTRM_ASS_LBL 0x0204
#define TLV_IP_MULTICAST_TUNNEL 0x001E
#define TLV_MPLS_CONTEXT_LBL 0x001F
#define TLV_LDP_P2MP_LSP 0x001D
#define TLV_RSVP_TE_P2MP_LSP 0x001C
/*
0x0824 Generalized Label Request TLV [RFC3472]
0x0825 Generalized Label TLV [RFC3472]
@ -375,6 +407,7 @@ static guint32 global_ldp_udp_port = UDP_PORT_LDP;
0x0837 Unnumbered Interface ID TLV [RFC3480]
0x0838 SONET/SDH Traffic Parameters TLV [RFC4606]
*/
#define TLV_IPV4_INTERFACE_ID 0x082D
#define TLV_DIFFSERV 0x0901
#define TLV_VENDOR_PRIVATE_START 0x3E00
#define TLV_VENDOR_PRIVATE_END 0x3EFF
@ -429,7 +462,7 @@ static const value_string tlv_type_names[] = {
{ 0x082a, "Acceptable Label Set TLV"}, /* RFC3472 */
{ 0x082b, "Admin Status TLV"}, /* RFC3472 */
{ 0x082c, "Interface ID TLV"}, /* RFC3472 */
{ 0x082d, "IPV4 Interface ID TLV"}, /* RFC3472 */
{ TLV_IPV4_INTERFACE_ID, "IPV4 Interface ID TLV"}, /* RFC3472 */
{ 0x082e, "IPV6 Interface ID TLV"}, /* RFC3472 */
{ 0x082f, "IPv4 IF_ID Status TLV"}, /* RFC3472 */
{ 0x0830, "IPv6 IF_ID Status TLV"}, /* RFC3472 */
@ -459,6 +492,13 @@ static const value_string tlv_type_names[] = {
{ TLV_DIFFSERV, "Diff-Serv TLV"},
{ TLV_VENDOR_PRIVATE_START, "Vendor Private TLV"},
{ TLV_EXPERIMENTAL_START, "Experimental TLV"},
{ TLV_UPSTRM_LBL_ASS_CAP, "LDP Upstream Label Assignment Capability TLV"},
{ TLV_UPSTRM_ASS_LBL_REQ, "Upstream-Assigned Label Request TLV"},
{ TLV_UPSTRM_ASS_LBL, "Upstream-Assigned Label TLV"},
{ TLV_IP_MULTICAST_TUNNEL, "IP Multicast Tunnel TLV"},
{ TLV_MPLS_CONTEXT_LBL, "MPLS Context Label TLV"},
{ TLV_LDP_P2MP_LSP, "LDP P2MP LSP TLV"},
{ TLV_RSVP_TE_P2MP_LSP, "RSVP-TE P2MP LSP TLV"},
{ 0, NULL}
};
@ -523,6 +563,7 @@ static const value_string tlv_unknown_vals[] = {
#define CRLSP_FEC 4
#define VC_FEC 0x80 /* draft-martini-l2circuit-trans-mpls */
#define GEN_FEC 0x81
#define P2MP_FEC 0x06
static const value_string fec_types[] = {
{WILDCARD_FEC, "Wildcard FEC"},
@ -531,6 +572,7 @@ static const value_string fec_types[] = {
{CRLSP_FEC, "CR LSP FEC"},
{VC_FEC, "Virtual Circuit FEC"},
{GEN_FEC, "Generalized PWid FEC"},
{P2MP_FEC, "P2MP FEC"},
{0, NULL}
};
@ -827,6 +869,11 @@ static const value_string tlv_status_data[] = {
{0, NULL}
};
static const true_false_string tlv_upstr_sbit_vals = {
"LSR is advertising the capability to distribute and receive upstream-assigned label bindings",
"LSR is withdrawing the capability to distribute and receive upstream-assigned label bindings"
};
#define PW_NOT_FORWARDING 0x1
#define PW_LAC_INGRESS_RECV_FAULT 0x2
#define PW_LAC_EGRESS_TRANS_FAULT 0x4
@ -854,7 +901,7 @@ dissect_genpwid_fec_aai_type2_parameter(tvbuff_t *tvb, guint offset, proto_tree
/* Dissect FEC TLV */
static void
dissect_tlv_fec(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
dissect_tlv_fec(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
static int *interface_params_header_fields[] = {
&hf_ldp_tlv_fec_vc_intparam_length ,
@ -901,6 +948,7 @@ dissect_tlv_fec(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
proto_tree *ti, *val_tree, *fec_tree=NULL;
proto_tree *agi_tree=NULL, *saii_tree=NULL, *taii_tree=NULL;
guint16 family, ix=1, ax;
guint16 op_length = tvb_get_bits16(tvb, ((offset+8)*8), 16,FALSE);
guint8 addr_size=0, *addr, implemented, prefix_len_octets, prefix_len, host_len, vc_len;
guint8 intparam_len, aai_type = 0;
string_handler_func *str_handler = default_str_handler;
@ -1267,6 +1315,33 @@ dissect_tlv_fec(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
break;
}
case P2MP_FEC:
{ if (rem < 4 ){/*not enough*/
proto_item* inv_length;
inv_length = proto_tree_add_item(val_tree, hf_ldp_tlv_inv_length, tvb, offset, rem, ENC_BIG_ENDIAN);
expert_add_info(pinfo, inv_length, &ei_ldp_inv_length);
return;
}
ti = proto_tree_add_text(val_tree, tvb, offset, 4+tvb_get_guint8 (tvb, offset+1), "FEC Element %u", ix);
fec_tree = proto_item_add_subtree(ti, ett_ldp_fec);
proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_af, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_len, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(fec_tree, hf_ldp_tlv_ldp_p2mp_rtnodeaddr, tvb,offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(fec_tree, hf_ldp_tlv_ldp_p2mp_oplength, tvb,offset + 4, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(fec_tree, hf_ldp_tlv_ldp_p2mp_opvalue, tvb,offset + 6, op_length, ENC_BIG_ENDIAN);
offset = offset + 6 + op_length;
rem = rem - 10 - op_length;
break;
}
default: /* Unknown */
/* XXX - do all FEC's have a length that's a multiple of 4? */
/* Hmmm, don't think so. Will check. RJS. */
@ -2152,6 +2227,147 @@ dissect_tlv_pw_status(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem);
static void
dissect_tlv_pw_grouping(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem);
/* Dissect Upstream Label Assignment Capability TLV */
static void
dissect_tlv_upstrm_lbl_ass_cap(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if ( rem != 1)
{
proto_item* inv_length;
inv_length = proto_tree_add_item(tree, hf_ldp_tlv_inv_length, tvb, offset, rem, ENC_BIG_ENDIAN);
expert_add_info(pinfo, inv_length, &ei_ldp_inv_length);
return;
}
/*State bit*/
ti = proto_tree_add_text(tree, tvb, offset, rem, "State Bit");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
proto_tree_add_item(val_tree, hf_ldp_tlv_upstr_sbit, tvb,offset, 1, ENC_BIG_ENDIAN);
}
/*Dissect Upstream Assigned Label Request TLV*/
static void
dissect_tlv_upstrm_ass_lbl_req(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
if ( rem != 4)
{
proto_item* inv_length;
inv_length = proto_tree_add_item(tree, hf_ldp_tlv_inv_length, tvb, offset, rem, ENC_BIG_ENDIAN);
expert_add_info(pinfo, inv_length, &ei_ldp_inv_length);
return;
}
/*Reserved Bits*/
proto_tree_add_item(tree, hf_ldp_tlv_upstr_lbl_req_resvbit, tvb,offset, 4, ENC_BIG_ENDIAN);
}
/*Dissect Upstream Assigned Label TLV*/
static void
dissect_tlv_upstrm_ass_lbl(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if ( rem != 8)
{
proto_item* inv_length;
inv_length = proto_tree_add_item(tree, hf_ldp_tlv_inv_length, tvb, offset, rem, ENC_BIG_ENDIAN);
expert_add_info(pinfo, inv_length, &ei_ldp_inv_length);
return;
}
/*Value Field starts here*/
ti = proto_tree_add_text(tree, tvb, offset, rem, "Upstream-Assigned Label");
/*Reserved bits*/
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
proto_tree_add_item(val_tree, hf_ldp_tlv_upstr_lbl_resvbit, tvb,offset, 4, ENC_BIG_ENDIAN);
/*The Upstream Label*/
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
proto_tree_add_item(val_tree, hf_ldp_tlv_upstr_ass_lbl, tvb,offset + 4, 4, ENC_BIG_ENDIAN);
}
/*Dissect IPv4 Interface ID TLV*/
static void
dissect_tlv_ipv4_interface_id(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree, *sub_tree = NULL;
ti = proto_tree_add_text(tree, tvb, offset, rem, "IPv4 Interface ID");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
/*Dissect IPv4 Next/Previous Hop Address*/
proto_tree_add_item(val_tree, hf_ldp_tlv_ipv4_intID_hop_addr, tvb,offset, 4, ENC_BIG_ENDIAN);
/*Dissect Logical Interface ID*/
proto_tree_add_item(val_tree, hf_ldp_tlv_logical_intID, tvb,offset + 4, 4, ENC_BIG_ENDIAN);
ti = proto_tree_add_text(val_tree, tvb, offset + 8, rem, "Sub TLV");
sub_tree = proto_item_add_subtree(ti, ett_ldp_sub_tlv);
if(rem != 20 && rem != 24 && rem != 28 && rem != 29)
{
/*rem = 20 >> Length of IP Multicast Tunnel TLV
rem = 29 >> Length of LDP P2MP LSV TLV
rem = 24 >> Length of RSVP-TE P2MP LSP TLV
rem = 28 >> Length of MPLS Context Label TLV*/
proto_item* inv_length;
inv_length = proto_tree_add_item(val_tree, hf_ldp_tlv_inv_length, tvb, offset, rem, ENC_BIG_ENDIAN);
expert_add_info(pinfo, inv_length, &ei_ldp_inv_length);
}
else
{
rem = rem - 8;
dissect_tlv(tvb, pinfo, offset + 8, sub_tree, rem);
}
}
/*Dissect IP Multicast Tunnel TLV*/
static void
dissect_tlv_ip_multicast_tunnel(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
ti = proto_tree_add_text(tree, tvb, offset, rem, "IP Multicast Label");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
proto_tree_add_item(val_tree, hf_ldp_tlv_ip_multicast_srcaddr, tvb,offset, 4, ENC_BIG_ENDIAN);
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
proto_tree_add_item(val_tree, hf_ldp_tlv_ip_multicast_mltcstaddr, tvb,offset + 4, 4, ENC_BIG_ENDIAN);
}
static void
dissect_tlv_mpls_context_lbl(tvbuff_t *tvb,packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
proto_tree_add_item(tree, hf_ldp_tlv_ip_mpls_context_srcaddr, tvb,offset, 4, ENC_BIG_ENDIAN);
ti = proto_tree_add_text(tree, tvb, offset, rem, "MPLS Context Label");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
dissect_tlv(tvb, pinfo, offset + 4, val_tree, rem);
}
static void
dissect_tlv_ldp_p2mp_lsp(tvbuff_t *tvb, guint offset, proto_tree *tree)
{
guint16 addr_length = tvb_get_bits16(tvb, ((offset+3)*8), 8,FALSE);
guint16 opcode_length = tvb_get_bits16(tvb, ((offset + 4 + addr_length)*8), 16,FALSE);
proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_lsptype, tvb,offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_addrfam, tvb,offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_addrlen, tvb,offset + 3, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_rtnodeaddr, tvb,offset + 4, addr_length, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_oplength, tvb,offset + 4 + addr_length, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_opvalue, tvb,offset + 4 + addr_length + 2, opcode_length, ENC_BIG_ENDIAN);
}
static void
dissect_tlv_rsvp_te_p2mp_lsp(tvbuff_t *tvb, guint offset, proto_tree *tree)
{
proto_tree_add_item(tree, hf_ldp_tlv_rsvp_te_p2mp_id, tvb,offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_ldp_tlv_must_be_zero, tvb,offset + 4, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_ldp_tlv_tunnel_id, tvb,offset + 6, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_ldp_tlv_ext_tunnel_id, tvb,offset + 8, 4, ENC_BIG_ENDIAN);
}
/* Dissect a TLV and return the number of bytes consumed ... */
static int
@ -2218,7 +2434,7 @@ dissect_tlv(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, i
switch (type) {
case TLV_FEC:
dissect_tlv_fec(tvb, offset + 4, tlv_tree, length);
dissect_tlv_fec(tvb, pinfo, offset + 4, tlv_tree, length);
break;
case TLV_ADDRESS_LIST:
@ -2521,6 +2737,31 @@ dissect_tlv(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, i
dissect_tlv_pw_grouping(tvb, offset +4, tlv_tree, length);
break;
}
case TLV_UPSTRM_LBL_ASS_CAP:
dissect_tlv_upstrm_lbl_ass_cap(tvb, pinfo, offset + 4, tlv_tree, length);
break;
case TLV_UPSTRM_ASS_LBL_REQ:
dissect_tlv_upstrm_ass_lbl_req(tvb, pinfo, offset + 4, tlv_tree, length);
break;
case TLV_UPSTRM_ASS_LBL:
dissect_tlv_upstrm_ass_lbl(tvb, pinfo, offset + 4, tlv_tree, length);
break;
case TLV_IPV4_INTERFACE_ID:
dissect_tlv_ipv4_interface_id(tvb, pinfo, offset + 4, tlv_tree, length);
//dissect_tlv_ipv4_interface_id(tvb, offset + 4, tlv_tree, length);
break;
case TLV_IP_MULTICAST_TUNNEL:
dissect_tlv_ip_multicast_tunnel(tvb, offset + 4, tlv_tree, rem);
break;
case TLV_MPLS_CONTEXT_LBL:
dissect_tlv_mpls_context_lbl(tvb, pinfo, offset + 4, tlv_tree, rem);
break;
case TLV_LDP_P2MP_LSP:
dissect_tlv_ldp_p2mp_lsp(tvb, offset + 4, tlv_tree);
break;
case TLV_RSVP_TE_P2MP_LSP:
dissect_tlv_rsvp_te_p2mp_lsp(tvb, offset + 4, tlv_tree);
break;
default:
proto_tree_add_item(tlv_tree, hf_ldp_tlv_value, tvb, offset + 4, length, ENC_NA);
break;
@ -3975,7 +4216,87 @@ proto_register_ldp(void)
{ &hf_ldp_tlv_intparam_vccv_cvtype_bfd,
{ "BFD", "ldp.msg.tlv.intparam.vccv.cvtype_bfd", FT_BOOLEAN, 8,
NULL, 0x04, "VC FEC Interface Param VCCV CV Type BFD", HFILL }}
NULL, 0x04, "VC FEC Interface Param VCCV CV Type BFD", HFILL }},
{ &hf_ldp_tlv_upstr_sbit,
{ "S-Bit", "ldp.msg.tlv.upstream.sbit", FT_BOOLEAN, 8,
TFS(&tlv_upstr_sbit_vals), 0x80, "Upstream Label Assignment Capability State Bit", HFILL }},
{ &hf_ldp_tlv_upstr_lbl_req_resvbit,
{ "Reserved Bits", "ldp.msg.tlv.upstream_label_req.resvbit", FT_UINT32, BASE_HEX,
NULL, 0x0, "Reserved Bits", HFILL }},
{ &hf_ldp_tlv_upstr_ass_lbl,
{ "Upstream-Assigned Label", "ldp.msg.tlv.upstream.label", FT_UINT32, BASE_HEX,
NULL, 0x0, "Upstream-Assigned Label", HFILL }},
{ &hf_ldp_tlv_upstr_lbl_resvbit,
{ "Reserved Bits", "ldp.msg.tlv.upstream.resvbit", FT_UINT32, BASE_HEX,
NULL, 0x0, "Reserved Bits", HFILL }},
{ &hf_ldp_tlv_ipv4_intID_hop_addr,
{ "IPv4 Next/Previous Hop Address", "ldp.msg.tlv.ipv4_interface_ID.hop_addr", FT_IPv4, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_logical_intID,
{ "Logical Interface ID", "ldp.msg.tlv.interface_ID.logical_intID", FT_UINT32, BASE_HEX,
NULL, 0x0, "Logical Interface ID", HFILL }},
{ &hf_ldp_tlv_ip_multicast_srcaddr,
{ "Source Address", "ldp.msg.tlv.ip_multicast.ipv4_srcaddr", FT_IPv4, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_ip_multicast_mltcstaddr,
{ "Multicast Group Address", "ldp.msg.tlv.ip_multicast.ipv4_maddr", FT_IPv4, BASE_NONE,
NULL, 0x0, "Multicast Group Address", HFILL }},
{ &hf_ldp_tlv_ip_mpls_context_srcaddr,
{ "Source Address", "ldp.msg.tlv.ip_mpls_context.ipv4_srcaddr", FT_IPv4, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_ldp_p2mp_lsptype,
{ "P2MP Type", "ldp.msg.tlv.ldp_p2mp.type", FT_UINT8, BASE_HEX,
NULL, 0x0, "TLV Type", HFILL }},
{ &hf_ldp_tlv_ldp_p2mp_addrfam,
{ "Address Family", "ldp.msg.tlv.ldp_p2mp.addr_family", FT_UINT16, BASE_HEX,
NULL, 0x0, "Address Family", HFILL }},
{ &hf_ldp_tlv_ldp_p2mp_addrlen,
{ "Address Length", "ldp.msg.tlv.ldp_p2mp.addr_len", FT_UINT8, BASE_HEX,
NULL, 0x0, "Address Length", HFILL }},
{ &hf_ldp_tlv_ldp_p2mp_rtnodeaddr,
{ "Root Node Address", "ldp.msg.tlv.ldp_p2mp.ipv4_rtnodeaddr", FT_IPv4, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_ldp_p2mp_oplength,
{ "Opaque Length", "ldp.msg.tlv.ldp_p2mp.oplength", FT_UINT16, BASE_DEC,
NULL, 0x0, "Opaque Length", HFILL }},
{ &hf_ldp_tlv_ldp_p2mp_opvalue,
{ "Opaque Value", "ldp.msg.tlv.ldp_p2mp.opvalue", FT_BYTES, BASE_NONE,
NULL, 0x0, "Opaque Value", HFILL }},
{ &hf_ldp_tlv_rsvp_te_p2mp_id,
{ "P2MP ID", "ldp.msg.tlv.rsvp_te_p2mp.id", FT_UINT32, BASE_HEX,
NULL, 0x0, "P2MP ID", HFILL }},
{ &hf_ldp_tlv_must_be_zero,
{ "MUST be zero", "ldp.msg.tlv.rsvp_te_p2mp.zero", FT_UINT16, BASE_HEX,
NULL, 0x0, "MUST be zero", HFILL }},
{ &hf_ldp_tlv_tunnel_id,
{ "Tunnel ID", "ldp.msg.tlv.rsvp_te_p2mp.tunnel_id", FT_UINT16, BASE_HEX,
NULL, 0x0, "MUST be zero", HFILL }},
{ &hf_ldp_tlv_ext_tunnel_id,
{ "Extended Tunnel ID", "ldp.msg.tlv.rsvp_te_p2mp.ipv4_ext_tunnel_id", FT_IPv4, BASE_NONE,
NULL, 0x0, "Extended Tunnel ID", HFILL }},
{ &hf_ldp_tlv_inv_length,
{ "Invalid length", "ldp.msg.tlv.invalid.length", FT_UINT16, BASE_HEX,
NULL, 0x0, "Invalid length", HFILL }},
};
static gint *ett[] = {
@ -3995,7 +4316,8 @@ proto_register_ldp(void)
&ett_ldp_gen_agi,
&ett_ldp_gen_saii,
&ett_ldp_gen_taii,
&ett_ldp_gen_aai_type2
&ett_ldp_gen_aai_type2,
&ett_ldp_sub_tlv
};
static ei_register_info ei[] = {
@ -4003,6 +4325,7 @@ proto_register_ldp(void)
{ &ei_ldp_gtsm_supported, { "ldp.gtsm_supported", PI_PROTOCOL, PI_CHAT,"GTSM is supported by the source", EXPFILL }},
{ &ei_ldp_gtsm_not_supported_basic_discovery, { "ldp.gtsm_not_supported_basic_discovery", PI_PROTOCOL, PI_WARN,"GTSM is not supported by the source, since basic discovery is not enabled", EXPFILL }},
{ &ei_ldp_gtsm_not_supported, { "ldp.gtsm_not_supported", PI_PROTOCOL, PI_CHAT,"GTSM is not supported by the source", EXPFILL }},
{ &ei_ldp_inv_length, { "ldp.invalid_length", PI_MALFORMED, PI_ERROR,"Length of the packet is malformed", EXPFILL }},
};
module_t *ldp_module;