+++ /dev/null
-/* packet-isis-lsp.c
- * Routines for decoding isis lsp packets and their CLVs
- *
- * $Id$
- * Stuart Stanley <stuarts@mxmail.net>
- *
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
- * Copyright 1998 Gerald Combs
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <glib.h>
-
-#include "epan/ipv4.h"
-#include <epan/packet.h>
-#include "packet-osi.h"
-#include "packet-ipv6.h"
-#include "packet-isis.h"
-#include "packet-isis-clv.h"
-#include "packet-isis-lsp.h"
-#include <epan/resolv.h>
-
-/* lsp packets */
-static int hf_isis_lsp_pdu_length = -1;
-static int hf_isis_lsp_remaining_life = -1;
-static int hf_isis_lsp_sequence_number = -1;
-static int hf_isis_lsp_checksum = -1;
-static int hf_isis_lsp_checksum_bad = -1;
-static int hf_isis_lsp_clv_ipv4_int_addr = -1;
-static int hf_isis_lsp_clv_ipv6_int_addr = -1;
-static int hf_isis_lsp_clv_te_router_id = -1;
-static int hf_isis_lsp_clv_mt = -1;
-static int hf_isis_lsp_p = -1;
-static int hf_isis_lsp_att = -1;
-static int hf_isis_lsp_hippity = -1;
-static int hf_isis_lsp_is_type = -1;
-
-static gint ett_isis_lsp = -1;
-static gint ett_isis_lsp_info = -1;
-static gint ett_isis_lsp_att = -1;
-static gint ett_isis_lsp_clv_area_addr = -1;
-static gint ett_isis_lsp_clv_is_neighbors = -1;
-static gint ett_isis_lsp_clv_ext_is_reachability = -1; /* CLV 22 */
-static gint ett_isis_lsp_part_of_clv_ext_is_reachability = -1;
-static gint ett_isis_lsp_subclv_admin_group = -1;
-static gint ett_isis_lsp_subclv_unrsv_bw = -1;
-static gint ett_isis_lsp_clv_unknown = -1;
-static gint ett_isis_lsp_clv_partition_dis = -1;
-static gint ett_isis_lsp_clv_prefix_neighbors = -1;
-static gint ett_isis_lsp_clv_nlpid = -1;
-static gint ett_isis_lsp_clv_hostname = -1;
-static gint ett_isis_lsp_clv_te_router_id = -1;
-static gint ett_isis_lsp_clv_authentication = -1;
-static gint ett_isis_lsp_clv_ip_authentication = -1;
-static gint ett_isis_lsp_clv_ipv4_int_addr = -1;
-static gint ett_isis_lsp_clv_ipv6_int_addr = -1; /* CLV 232 */
-static gint ett_isis_lsp_clv_ip_reachability = -1;
-static gint ett_isis_lsp_clv_ip_reach_subclv = -1;
-static gint ett_isis_lsp_clv_ext_ip_reachability = -1; /* CLV 135 */
-static gint ett_isis_lsp_part_of_clv_ext_ip_reachability = -1;
-static gint ett_isis_lsp_clv_ipv6_reachability = -1; /* CLV 236 */
-static gint ett_isis_lsp_part_of_clv_ipv6_reachability = -1;
-static gint ett_isis_lsp_clv_mt = -1;
-static gint ett_isis_lsp_clv_mt_is = -1;
-static gint ett_isis_lsp_part_of_clv_mt_is = -1;
-static gint ett_isis_lsp_clv_mt_reachable_IPv4_prefx = -1; /* CLV 235 */
-static gint ett_isis_lsp_clv_mt_reachable_IPv6_prefx = -1; /* CLV 237 */
-
-static const value_string isis_lsp_istype_vals[] = {
- { ISIS_LSP_TYPE_UNUSED0, "Unused 0x0 (invalid)"},
- { ISIS_LSP_TYPE_LEVEL_1, "Level 1"},
- { ISIS_LSP_TYPE_UNUSED2, "Unused 0x2 (invalid)"},
- { ISIS_LSP_TYPE_LEVEL_2, "Level 2"},
- { 0, NULL } };
-
-static const true_false_string supported_string = {
- "Supported",
- "Unsupported"
- };
-
-static const true_false_string hippity_string = {
- "Set",
- "Unset"
- };
-
-
-/*
- * Predclare dissectors for use in clv dissection.
- */
-static void dissect_lsp_prefix_neighbors_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_partition_dis_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_mt_is_reachability_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_ext_is_reachability_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_l2_is_neighbors_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_l1_es_neighbors_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_l1_is_neighbors_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_area_address_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_authentication_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_ip_authentication_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_ipv6_int_addr_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_ip_int_addr_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_te_router_id_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_hostname_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_mt_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_nlpid_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_ipv6_reachability_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_ext_ip_reachability_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_ip_reachability_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_ipreach_subclv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int clv_code, int clv_len);
-static void dissect_lsp_mt_reachable_IPv4_prefx_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-static void dissect_lsp_mt_reachable_IPv6_prefx_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length, int length);
-
-
-static const isis_clv_handle_t clv_l1_lsp_opts[] = {
- {
- ISIS_CLV_AREA_ADDRESS,
- "Area address(es)",
- &ett_isis_lsp_clv_area_addr,
- dissect_lsp_area_address_clv
- },
- {
- ISIS_CLV_IS_REACH,
- "IS Reachability",
- &ett_isis_lsp_clv_is_neighbors,
- dissect_lsp_l1_is_neighbors_clv
- },
- {
- ISIS_CLV_ES_NEIGHBORS,
- "ES Neighbor(s)",
- &ett_isis_lsp_clv_is_neighbors,
- dissect_lsp_l1_es_neighbors_clv
- },
- {
- ISIS_CLV_EXTD_IS_REACH,
- "Extended IS reachability",
- &ett_isis_lsp_clv_ext_is_reachability,
- dissect_lsp_ext_is_reachability_clv
- },
- {
- ISIS_CLV_INT_IP_REACH,
- "IP Internal reachability",
- &ett_isis_lsp_clv_ip_reachability,
- dissect_lsp_ip_reachability_clv
- },
- {
- ISIS_CLV_EXT_IP_REACH,
- "IP External reachability",
- &ett_isis_lsp_clv_ip_reachability,
- dissect_lsp_ip_reachability_clv
- },
- {
- ISIS_CLV_EXTD_IP_REACH,
- "Extended IP Reachability",
- &ett_isis_lsp_clv_ext_ip_reachability,
- dissect_lsp_ext_ip_reachability_clv
- },
- {
- ISIS_CLV_IP6_REACH,
- "IPv6 reachability",
- &ett_isis_lsp_clv_ipv6_reachability,
- dissect_lsp_ipv6_reachability_clv
- },
- {
- ISIS_CLV_PROTOCOLS_SUPPORTED,
- "Protocols supported",
- &ett_isis_lsp_clv_nlpid,
- dissect_lsp_nlpid_clv
- },
- {
- ISIS_CLV_HOSTNAME,
- "Hostname",
- &ett_isis_lsp_clv_hostname,
- dissect_lsp_hostname_clv
- },
- {
- ISIS_CLV_TE_ROUTER_ID,
- "Traffic Engineering Router ID",
- &ett_isis_lsp_clv_te_router_id,
- dissect_lsp_te_router_id_clv
- },
- {
- ISIS_CLV_IP_ADDR,
- "IP Interface address(es)",
- &ett_isis_lsp_clv_ipv4_int_addr,
- dissect_lsp_ip_int_addr_clv
- },
- {
- ISIS_CLV_IP6_ADDR,
- "IPv6 Interface address(es)",
- &ett_isis_lsp_clv_ipv6_int_addr,
- dissect_lsp_ipv6_int_addr_clv
- },
- {
- ISIS_CLV_AUTHENTICATION,
- "Authentication",
- &ett_isis_lsp_clv_authentication,
- dissect_lsp_authentication_clv
- },
- {
- ISIS_CLV_IP_AUTHENTICATION,
- "IP Authentication",
- &ett_isis_lsp_clv_ip_authentication,
- dissect_lsp_ip_authentication_clv
- },
- {
- ISIS_CLV_MT_SUPPORTED,
- "Multi Topology supported",
- &ett_isis_lsp_clv_mt,
- dissect_lsp_mt_clv
- },
- {
- ISIS_CLV_MT_IS_REACH,
- "Multi Topology IS Reachability",
- &ett_isis_lsp_clv_mt_is,
- dissect_lsp_mt_is_reachability_clv
- },
- {
- ISIS_CLV_MT_IP_REACH,
- "Multi Topology Reachable IPv4 Prefixes",
- &ett_isis_lsp_clv_mt_reachable_IPv4_prefx,
- dissect_lsp_mt_reachable_IPv4_prefx_clv
- },
- {
- ISIS_CLV_MT_IP6_REACH,
- "Multi Topology Reachable IPv6 Prefixes",
- &ett_isis_lsp_clv_mt_reachable_IPv6_prefx,
- dissect_lsp_mt_reachable_IPv6_prefx_clv
- },
- {
- 0,
- "",
- NULL,
- NULL
- }
-};
-
-static const isis_clv_handle_t clv_l2_lsp_opts[] = {
- {
- ISIS_CLV_AREA_ADDRESS,
- "Area address(es)",
- &ett_isis_lsp_clv_area_addr,
- dissect_lsp_area_address_clv
- },
- {
- ISIS_CLV_IS_REACH,
- "IS Reachability",
- &ett_isis_lsp_clv_is_neighbors,
- dissect_lsp_l2_is_neighbors_clv
- },
- {
- ISIS_CLV_EXTD_IS_REACH,
- "Extended IS reachability",
- &ett_isis_lsp_clv_ext_is_reachability,
- dissect_lsp_ext_is_reachability_clv
- },
- {
- ISIS_CLV_PARTITION_DIS,
- "Parition Designated Level 2 IS",
- &ett_isis_lsp_clv_partition_dis,
- dissect_lsp_partition_dis_clv
- },
- {
- ISIS_CLV_PREFIX_NEIGHBORS,
- "Prefix neighbors",
- &ett_isis_lsp_clv_prefix_neighbors,
- dissect_lsp_prefix_neighbors_clv
- },
- {
- ISIS_CLV_INT_IP_REACH,
- "IP Internal reachability",
- &ett_isis_lsp_clv_ip_reachability,
- dissect_lsp_ip_reachability_clv
- },
- {
- ISIS_CLV_EXT_IP_REACH,
- "IP External reachability",
- &ett_isis_lsp_clv_ip_reachability,
- dissect_lsp_ip_reachability_clv
- },
- {
- ISIS_CLV_PROTOCOLS_SUPPORTED,
- "Protocols supported",
- &ett_isis_lsp_clv_nlpid,
- dissect_lsp_nlpid_clv
- },
- {
- ISIS_CLV_HOSTNAME,
- "Hostname",
- &ett_isis_lsp_clv_hostname,
- dissect_lsp_hostname_clv
- },
- {
- ISIS_CLV_TE_ROUTER_ID,
- "Traffic Engineering Router ID",
- &ett_isis_lsp_clv_te_router_id,
- dissect_lsp_te_router_id_clv
- },
- {
- ISIS_CLV_EXTD_IP_REACH,
- "Extended IP Reachability",
- &ett_isis_lsp_clv_ext_ip_reachability,
- dissect_lsp_ext_ip_reachability_clv
- },
- {
- ISIS_CLV_IP6_REACH,
- "IPv6 reachability",
- &ett_isis_lsp_clv_ipv6_reachability,
- dissect_lsp_ipv6_reachability_clv
- },
- {
- ISIS_CLV_IP_ADDR,
- "IP Interface address(es)",
- &ett_isis_lsp_clv_ipv4_int_addr,
- dissect_lsp_ip_int_addr_clv
- },
- {
- ISIS_CLV_IP6_ADDR,
- "IPv6 Interface address(es)",
- &ett_isis_lsp_clv_ipv6_int_addr,
- dissect_lsp_ipv6_int_addr_clv
- },
- {
- ISIS_CLV_AUTHENTICATION,
- "Authentication",
- &ett_isis_lsp_clv_authentication,
- dissect_lsp_authentication_clv
- },
- {
- ISIS_CLV_IP_AUTHENTICATION,
- "IP Authentication",
- &ett_isis_lsp_clv_ip_authentication,
- dissect_lsp_ip_authentication_clv
- },
- {
- ISIS_CLV_MT_SUPPORTED,
- "Multi Topology",
- &ett_isis_lsp_clv_mt,
- dissect_lsp_mt_clv
- },
- {
- ISIS_CLV_MT_IS_REACH,
- "Multi Topology IS Reachability",
- &ett_isis_lsp_clv_mt_is,
- dissect_lsp_mt_is_reachability_clv
- },
- {
- ISIS_CLV_MT_IP_REACH,
- "Multi Topology Reachable IPv4 Prefixes",
- &ett_isis_lsp_clv_mt_reachable_IPv4_prefx,
- dissect_lsp_mt_reachable_IPv4_prefx_clv
- },
- {
- ISIS_CLV_MT_IP6_REACH,
- "Multi Topology Reachable IPv6 Prefixes",
- &ett_isis_lsp_clv_mt_reachable_IPv6_prefx,
- dissect_lsp_mt_reachable_IPv6_prefx_clv
- },
- {
- 0,
- "",
- NULL,
- NULL
- }
-};
-
-/*
- * Name: dissect_lsp_mt_id()
- *
- * Description:
- * dissect and display the multi-topology ID value
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. CAN'T BE NULL
- * int : offset into packet data where we are.
- *
- * Output:
- * void, but we will add to proto tree.
- */
-static void
-dissect_lsp_mt_id(tvbuff_t *tvb, proto_tree *tree, int offset)
-{
- int mt_block, mt_id;
- char mt_desc[60];
-
- /* fetch two bytes */
- mt_block = tvb_get_ntohs(tvb, offset);
-
- proto_tree_add_text ( tree, tvb, offset, 1 ,
- "4 most significant bits reserved, should be set to 0 (%d)", ISIS_LSP_MT_MSHIP_RES(mt_block));
-
- mt_id = ISIS_LSP_MT_MSHIP_ID(mt_block);
- /*mask out the lower 12 bits */
- switch(mt_id) {
- case 0:
- strcpy(mt_desc,"'standard' topology");
- break;
- case 1:
- strcpy(mt_desc,"IPv4 In-Band Management purposes");
- break;
- case 2:
- strcpy(mt_desc,"IPv6 routing topology");
- break;
- case 3:
- strcpy(mt_desc,"IPv4 multicast routing topology");
- break;
- case 4:
- strcpy(mt_desc,"IPv6 multicast routing topology");
- break;
- default:
- strcpy(mt_desc,((mt_block & 0x0fff) < 3996) ? "Reserved for IETF Consensus" : "Development, Experimental and Proprietary features");
- }
-
- proto_tree_add_text ( tree, tvb, offset, 2 ,
- "%s (%d)", mt_desc, mt_id);
-
-}
-
-/*
- * Name: dissect_metric()
- *
- * Description:
- * Display a metric prefix portion. ISIS has the concept of multple
- * metric per prefix (default, delay, expense, and error). This
- * routine assists other dissectors by adding a single one of
- * these to the display tree..
- *
- * The 8th(msbit) bit in the metric octet is the "supported" bit. The
- * "default" support is required, so we support a "force_supported"
- * flag that tells us that it MUST be zero (zero==supported,
- * so it really should be a "not supported" in the boolean sense)
- * and to display a protocol failure accordingly. Notably,
- * Cisco IOS 12(6) blows this!
- * The 7th bit must be zero (reserved).
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * guint8 : value of the metric.
- * char * : string giving type of the metric.
- * int : force supported. True is the supported bit MUST be zero.
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_metric(tvbuff_t *tvb, proto_tree *tree, int offset, guint8 value,
- char *pstr, int force_supported )
-{
- int s;
-
- if ( !tree ) return;
-
- s = ISIS_LSP_CLV_METRIC_SUPPORTED(value);
- proto_tree_add_text(tree, tvb, offset, 1,
- "%s Metric: %s%s %s%d:%d", pstr,
- s ? "Not supported" : "Supported",
- (s && force_supported) ? "(but is required to be)":"",
- ISIS_LSP_CLV_METRIC_RESERVED(value) ? "(reserved bit != 0)":"",
- ISIS_LSP_CLV_METRIC_VALUE(value), value );
-}
-
-/*
- * Name: dissect_lsp_ip_reachability_clv()
- *
- * Description:
- * Decode an IP reachability CLV. This can be either internal or
- * external (the clv format does not change and which type we are
- * displaying is put there by the dispatcher). All of these
- * are a metric block followed by an IP addr and mask.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * int : length of IDs in packet.
- * int : length of this clv
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_ip_reachability_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- proto_item *ti;
- proto_tree *ntree = NULL;
- guint32 src, mask, prefix_len;
-
- guint32 bitmasks[33] = {
- 0x00000000,
- 0x00000008, 0x0000000c, 0x0000000e, 0x0000000f,
- 0x000000f8, 0x000000fc, 0x000000fe, 0x000000ff,
- 0x000008ff, 0x00000cff, 0x00000eff, 0x00000fff,
- 0x0000f8ff, 0x0000fcff, 0x0000feff, 0x0000ffff,
- 0x0008ffff, 0x000cffff, 0x000effff, 0x000fffff,
- 0x00f8ffff, 0x00fcffff, 0x00feffff, 0x00ffffff,
- 0x08ffffff, 0x0cffffff, 0x0effffff, 0x0fffffff,
- 0xf8ffffff, 0xfcffffff, 0xfeffffff, 0xffffffff
- };
-
-
- while ( length > 0 ) {
- if (length<12) {
- isis_dissect_unknown(tvb, tree, offset,
- "short IP reachability (%d vs 12)", length );
- return;
- }
- /*
- * Gotta build a sub-tree for all our pieces
- */
- if ( tree ) {
- tvb_memcpy(tvb, (guint8 *)&src, offset+4, 4);
- tvb_memcpy(tvb, (guint8 *)&mask, offset+8, 4);
-
- /* find out if the mask matches one of 33 possible prefix lengths */
-
- prefix_len=0;
-
- while(prefix_len<=33) {
- if (bitmasks[prefix_len++]==mask) {
- prefix_len--;
- break;
- }
- }
-
- /* 34 indicates no match -> must be a discontiguous netmask
- lets dump the mask, otherwise print the prefix_len */
-
- if(prefix_len==34) {
- ti = proto_tree_add_text ( tree, tvb, offset, 12,
- "IPv4 prefix: %s mask %s",
- ip_to_str((guint8*)&src),
- ip_to_str((guint8*)&mask));
- } else {
- ti = proto_tree_add_text ( tree, tvb, offset, 12,
- "IPv4 prefix: %s/%d",
- ip_to_str((guint8*)&src),
- prefix_len );
- };
-
- ntree = proto_item_add_subtree(ti,
- ett_isis_lsp_clv_ip_reachability);
-
- proto_tree_add_text (ntree, tvb, offset, 1,
- "Default Metric: %d, %s, Distribution: %s",
- ISIS_LSP_CLV_METRIC_VALUE(tvb_get_guint8(tvb, offset)),
- ISIS_LSP_CLV_METRIC_IE(tvb_get_guint8(tvb, offset)) ? "External" : "Internal",
- ISIS_LSP_CLV_METRIC_UPDOWN(tvb_get_guint8(tvb, offset)) ? "down" : "up");
-
-
- if (ISIS_LSP_CLV_METRIC_SUPPORTED(tvb_get_guint8(tvb, offset+1))) {
- proto_tree_add_text (ntree, tvb, offset+1, 1, "Delay Metric: Not supported");
- } else {
- proto_tree_add_text (ntree, tvb, offset+1, 1, "Delay Metric: %d, %s",
- ISIS_LSP_CLV_METRIC_VALUE(tvb_get_guint8(tvb, offset+1)),
- ISIS_LSP_CLV_METRIC_IE(tvb_get_guint8(tvb, offset+1)) ? "External" : "Internal");
- }
-
- if (ISIS_LSP_CLV_METRIC_SUPPORTED(tvb_get_guint8(tvb, offset+2))) {
- proto_tree_add_text (ntree, tvb, offset+2, 1, "Expense Metric: Not supported");
- } else {
- proto_tree_add_text (ntree, tvb, offset+2, 1, "Exense Metric: %d, %s",
- ISIS_LSP_CLV_METRIC_VALUE(tvb_get_guint8(tvb, offset+2)),
- ISIS_LSP_CLV_METRIC_IE(tvb_get_guint8(tvb, offset+2)) ? "External" : "Internal");
- }
-
- if (ISIS_LSP_CLV_METRIC_SUPPORTED(tvb_get_guint8(tvb, offset+3))) {
- proto_tree_add_text (ntree, tvb, offset+3, 1, "Error Metric: Not supported");
- } else {
- proto_tree_add_text (ntree, tvb, offset+3, 1, "Error Metric: %d, %s",
- ISIS_LSP_CLV_METRIC_VALUE(tvb_get_guint8(tvb, offset+3)),
- ISIS_LSP_CLV_METRIC_IE(tvb_get_guint8(tvb, offset+3)) ? "External" : "Internal");
- }
- }
- offset += 12;
- length -= 12;
- }
-}
-
-/*
- * Name: dissect_ipreach_subclv ()
- *
- * Description: parses IP reach subTLVs
- * Called by various IP Reachability dissectors.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out.
- * int : offset into packet data where we are (beginning of the sub_clv value).
- *
- * Output:
- * void
- */
-static void
-dissect_ipreach_subclv(tvbuff_t *tvb, proto_tree *tree, int offset, int clv_code, int clv_len)
-{
-
- switch (clv_code) {
- case 1:
- while (clv_len >= 4) {
- proto_tree_add_text(tree, tvb, offset, 4,
- "32-Bit Administrative tag: 0x%08x (=%u)",
- tvb_get_ntohl(tvb, offset),
- tvb_get_ntohl(tvb, offset));
- offset+=4;
- clv_len-=4;
- }
- break;
- case 2:
- while (clv_len >= 8) {
- proto_tree_add_text(tree, tvb, offset, 8,
- "64-Bit Administrative tag: 0x%08x%08x",
- tvb_get_ntohl(tvb, offset),
- tvb_get_ntohl(tvb, offset+4));
- offset+=8;
- clv_len-=8;
- }
- break;
-
- default :
- proto_tree_add_text (tree, tvb, offset, clv_len+2,
- "Unknown sub-TLV: code %u, length %u",
- clv_code, clv_len );
- break;
- }
-}
-
-
-/*
- * Name: dissect_lsp_ext_ip_reachability_clv()
- *
- * Description: Decode an Extended IP Reachability CLV - code 135.
- *
- * The extended IP reachability TLV is an extended version
- * of the IP reachability TLVs (codes 128 and 130). It encodes
- * the metric as a 32-bit unsigned interger and allows to add
- * sub-CLV(s).
- *
- * CALLED BY TLV 235 DISSECTOR
- *
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * int : length of IDs in packet.
- * int : length of this clv
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_ext_ip_reachability_clv(tvbuff_t *tvb, proto_tree *tree,
- int offset, int id_length _U_, int length)
-{
- proto_item *pi = NULL;
- proto_tree *subtree = NULL;
- proto_tree *subtree2 = NULL;
- guint8 ctrl_info;
- guint8 bit_length, byte_length;
- guint8 prefix [4];
- guint32 metric;
- guint8 len,i;
- guint8 subclvs_len;
- guint8 clv_code, clv_len;
-
- if (!tree) return;
-
- while (length > 0) {
- memset (prefix, 0, 4);
- ctrl_info = tvb_get_guint8(tvb, offset+4);
- bit_length = ctrl_info & 0x3f;
- byte_length = (bit_length + 7) / 8;
- if (byte_length > sizeof(prefix)) {
- isis_dissect_unknown(tvb, tree, offset,
- "IPv4 prefix has an invalid length: %d bytes", byte_length );
- return;
- }
- tvb_memcpy (tvb, prefix, offset+5, byte_length);
- metric = tvb_get_ntohl(tvb, offset);
- subclvs_len = 0;
- if ((ctrl_info & 0x40) != 0)
- subclvs_len = 1+tvb_get_guint8(tvb, offset+5+byte_length);
-
- pi = proto_tree_add_text (tree, tvb, offset, 5+byte_length+subclvs_len,
- "IPv4 prefix: %s/%d, Metric: %u, Distribution: %s, %ssub-TLVs present",
- ip_to_str (prefix),
- bit_length,
- metric,
- ((ctrl_info & 0x80) == 0) ? "up" : "down",
- ((ctrl_info & 0x40) == 0) ? "no " : "" );
-
- /* open up a new tree per prefix */
- subtree = proto_item_add_subtree (pi, ett_isis_lsp_part_of_clv_ext_ip_reachability);
-
- proto_tree_add_text (subtree, tvb, offset+5, byte_length, "IPv4 prefix: %s/%u",
- ip_to_str (prefix),
- bit_length);
-
- proto_tree_add_text (subtree, tvb, offset, 4, "Metric: %u", metric);
-
- proto_tree_add_text (subtree, tvb, offset+4, 1, "Distribution: %s",
- ((ctrl_info & 0x80) == 0) ? "up" : "down");
-
- len = 5 + byte_length;
- if ((ctrl_info & 0x40) != 0) {
- subclvs_len = tvb_get_guint8(tvb, offset+len);
- pi = proto_tree_add_text (subtree, tvb, offset+len, 1, "sub-TLVs present, total length: %u bytes",
- subclvs_len);
- proto_item_set_len (pi, subclvs_len+1);
- /* open up a new tree for the subTLVs */
- subtree2 = proto_item_add_subtree (pi, ett_isis_lsp_clv_ip_reach_subclv);
-
- i =0;
- while (i < subclvs_len) {
- clv_code = tvb_get_guint8(tvb, offset+len+1); /* skip the total subtlv len indicator */
- clv_len = tvb_get_guint8(tvb, offset+len+2);
-
- /*
- * we pass on now the raw data to the ipreach_subtlv dissector
- * therefore we need to skip 3 bytes
- * (total subtlv len, subtlv type, subtlv len)
- */
- dissect_ipreach_subclv(tvb, subtree2, offset+len+3, clv_code, clv_len);
- i += clv_len + 2;
- }
- len += 1 + subclvs_len;
- } else {
- proto_tree_add_text (subtree, tvb, offset+4, 1, "no sub-TLVs present");
- proto_item_set_len (pi, len);
- }
-
- offset += len;
- length -= len;
- }
-}
-
-/*
- * Name: dissect_lsp_ipv6_reachability_clv()
- *
- * Description: Decode an IPv6 reachability CLV - code 236.
- *
- * CALLED BY TLV 237 DISSECTOR
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * int : length of IDs in packet.
- * int : length of this clv
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_ipv6_reachability_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- proto_item *pi;
- proto_tree *subtree = NULL;
- proto_tree *subtree2 = NULL;
- guint8 ctrl_info;
- guint8 bit_length, byte_length;
- struct e_in6_addr prefix;
- guint32 metric;
- guint8 len,i;
- guint8 subclvs_len;
- guint8 clv_code, clv_len;
-
- if (!tree) return;
-
- while (length > 0) {
- memset (prefix.s6_addr, 0, 16);
- ctrl_info = tvb_get_guint8(tvb, offset+4);
- bit_length = tvb_get_guint8(tvb, offset+5);
- byte_length = (bit_length + 7) / 8;
- if (byte_length > sizeof(prefix)) {
- isis_dissect_unknown(tvb, tree, offset,
- "IPv6 prefix has an invalid length: %d bytes", byte_length );
- return;
- }
- tvb_memcpy (tvb, prefix.s6_addr, offset+6, byte_length);
- metric = tvb_get_ntohl(tvb, offset);
- subclvs_len = 0;
- if ((ctrl_info & 0x20) != 0)
- subclvs_len = 1+tvb_get_guint8(tvb, offset+6+byte_length);
-
- pi = proto_tree_add_text (tree, tvb, offset, 6+byte_length+subclvs_len,
- "IPv6 prefix: %s/%u, Metric: %u, Distribution: %s, %s, %ssub-TLVs present",
- ip6_to_str (&prefix),
- bit_length,
- metric,
- ((ctrl_info & 0x80) == 0) ? "up" : "down",
- ((ctrl_info & 0x40) == 0) ? "internal" : "external",
- ((ctrl_info & 0x20) == 0) ? "no " : "" );
-
- subtree = proto_item_add_subtree (pi, ett_isis_lsp_part_of_clv_ipv6_reachability);
-
- proto_tree_add_text (subtree, tvb, offset+6, byte_length, "IPv6 prefix: %s/%u",
- ip6_to_str (&prefix),
- bit_length);
-
- proto_tree_add_text (subtree, tvb, offset, 4,
- "Metric: %u", metric);
-
- proto_tree_add_text (subtree, tvb, offset+4, 1,
- "Distribution: %s, %s",
- ((ctrl_info & 0x80) == 0) ? "up" : "down",
- ((ctrl_info & 0x40) == 0) ? "internal" : "external" );
-
- if ((ctrl_info & 0x1f) != 0) {
- proto_tree_add_text (subtree, tvb, offset+4, 1,
- "Reserved bits: 0x%x",
- (ctrl_info & 0x1f) );
- }
-
- len = 6 + byte_length;
- if ((ctrl_info & 0x20) != 0) {
- subclvs_len = tvb_get_guint8(tvb, offset+len);
- pi = proto_tree_add_text (subtree, tvb, offset+len, 1, "sub-TLVs present, total length: %u bytes",
- subclvs_len);
- proto_item_set_len (pi, subclvs_len+1);
- /* open up a new tree for the subTLVs */
- subtree2 = proto_item_add_subtree (pi, ett_isis_lsp_clv_ip_reach_subclv);
-
- i =0;
- while (i < subclvs_len) {
- clv_code = tvb_get_guint8(tvb, offset+len+1); /* skip the total subtlv len indicator */
- clv_len = tvb_get_guint8(tvb, offset+len+2);
- dissect_ipreach_subclv(tvb, subtree2, offset+len+3, clv_code, clv_len);
- i += clv_len + 2;
- }
- len += 1 + subclvs_len;
- } else {
- proto_tree_add_text (subtree, tvb, offset+4, 1, "no sub-TLVs present");
- proto_item_set_len (pi, len);
- }
- offset += len;
- length -= len;
- }
-}
-
-/*
- * Name: dissect_lsp_nlpid_clv()
- *
- * Description:
- * Decode for a lsp packets NLPID clv. Calls into the
- * clv common one.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * int : length of IDs in packet.
- * int : length of this clv
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_nlpid_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- isis_dissect_nlpid_clv(tvb, tree, offset, length);
-}
-
-/*
- * Name: dissect_lsp_mt_clv()
- *
- * Description: - code 229
- * Decode for a lsp packets Multi Topology clv. Calls into the
- * clv common one.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * guint : length of this clv
- * int : length of IDs in packet.
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_mt_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- isis_dissect_mt_clv(tvb, tree, offset, length, hf_isis_lsp_clv_mt );
-}
-
-/*
- * Name: dissect_lsp_hostname_clv()
- *
- * Description:
- * Decode for a lsp packets hostname clv. Calls into the
- * clv common one.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * int : length of IDs in packet.
- * int : length of this clv
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_hostname_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- isis_dissect_hostname_clv(tvb, tree, offset, length);
-}
-
-
-/*
- * Name: dissect_lsp_te_router_id_clv()
- *
- * Description:
- * Decode for a lsp packets Traffic Engineering ID clv. Calls into the
- * clv common one.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * int : length of IDs in packet.
- * int : length of this clv
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_te_router_id_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- isis_dissect_te_router_id_clv(tvb, tree, offset, length,
- hf_isis_lsp_clv_te_router_id );
-}
-
-
-/*
- * Name: dissect_lsp_ip_int_addr_clv()
- *
- * Description:
- * Decode for a lsp packets ip interface addr clv. Calls into the
- * clv common one.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * int : length of IDs in packet.
- * int : length of this clv
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_ip_int_addr_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- isis_dissect_ip_int_clv(tvb, tree, offset, length,
- hf_isis_lsp_clv_ipv4_int_addr );
-}
-
-/*
- * Name: dissect_lsp_ipv6_int_addr_clv()
- *
- * Description: Decode an IPv6 interface addr CLV - code 232.
- *
- * Calls into the clv common one.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * int : length of IDs in packet.
- * int : length of this clv
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_ipv6_int_addr_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- isis_dissect_ipv6_int_clv(tvb, tree, offset, length,
- hf_isis_lsp_clv_ipv6_int_addr );
-}
-
-/*
- * Name: dissect_lsp_authentication_clv()
- *
- * Description:
- * Decode for a lsp packets authenticaion clv. Calls into the
- * clv common one.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * int : length of IDs in packet.
- * int : length of this clv
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_authentication_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- isis_dissect_authentication_clv(tvb, tree, offset, length);
-}
-
-/*
- * Name: dissect_lsp_ip_authentication_clv()
- *
- * Description:
- * Decode for a lsp packets authenticaion clv. Calls into the
- * clv common one.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : proto tree to build on (may be null)
- * int : current offset into packet data
- * int : length of IDs in packet.
- * int : length of this clv
- *
- * Output:
- * void, will modify proto_tree if not null.
- */
-static void
-dissect_lsp_ip_authentication_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- isis_dissect_ip_authentication_clv(tvb, tree, offset, length);
-}
-
-/*
- * Name: dissect_lsp_area_address_clv()
- *
- * Description:
- * Decode for a lsp packet's area address clv. Call into clv common
- * one.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : length of IDs in packet.
- * int : length of clv we are decoding
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_lsp_area_address_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- isis_dissect_area_address_clv(tvb, tree, offset, length);
-}
-
-/*
- * Name: dissect_lsp_eis_neighbors_clv_inner()
- *
- * Description:
- * Real work horse for showing neighbors. This means we decode the
- * first octet as either virtual/!virtual (if show_virtual param is
- * set), or as a must == 0 reserved value.
- *
- * Once past that, we decode n neighbor elements. Each neighbor
- * is comprised of a metric block (is dissect_metric) and the
- * addresses.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : length of IDs in packet.
- * int : length of clv we are decoding
- * int : set to decode first octet as virtual vs reserved == 0
- * int : set to indicate EIS instead of IS (6 octet per addr instead of 7)
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_lsp_eis_neighbors_clv_inner(tvbuff_t *tvb, proto_tree *tree,
- int offset, int length, int id_length, int show_virtual, int is_eis)
-{
- proto_item *ti;
- proto_tree *ntree = NULL;
- int tlen;
-
- if (!is_eis) {
- id_length++; /* IDs are one octet longer in IS neighbours */
- if ( tree ) {
- if ( show_virtual ) {
- /* virtual path flag */
- proto_tree_add_text ( tree, tvb, offset, 1,
- tvb_get_guint8(tvb, offset) ? "IsVirtual" : "IsNotVirtual" );
- } else {
- proto_tree_add_text ( tree, tvb, offset, 1,
- "Reserved value 0x%02x, must == 0",
- tvb_get_guint8(tvb, offset) );
- }
- }
- offset++;
- length--;
- }
- tlen = 4 + id_length;
-
- while ( length > 0 ) {
- if (length<tlen) {
- isis_dissect_unknown(tvb, tree, offset,
- "short E/IS reachability (%d vs %d)", length,
- tlen );
- return;
- }
- /*
- * Gotta build a sub-tree for all our pieces
- */
- if ( tree ) {
- if ( is_eis ) {
- ti = proto_tree_add_text(tree, tvb, offset, tlen,
- "ES Neighbor: %s",
- print_system_id( tvb_get_ptr(tvb, offset+4, id_length), id_length ) );
- } else {
- ti = proto_tree_add_text(tree, tvb, offset, tlen,
- "IS Neighbor: %s",
- print_system_id(tvb_get_ptr(tvb, offset+4, id_length), id_length ) );
- }
- ntree = proto_item_add_subtree(ti,
- ett_isis_lsp_clv_is_neighbors);
-
-
-
- proto_tree_add_text (ntree, tvb, offset, 1,
- "Default Metric: %d, %s",
- ISIS_LSP_CLV_METRIC_VALUE(tvb_get_guint8(tvb, offset)),
- ISIS_LSP_CLV_METRIC_IE(tvb_get_guint8(tvb, offset)) ? "External" : "Internal");
-
- if (ISIS_LSP_CLV_METRIC_SUPPORTED(tvb_get_guint8(tvb, offset+1))) {
- proto_tree_add_text (ntree, tvb, offset+1, 1, "Delay Metric: Not supported");
- } else {
- proto_tree_add_text (ntree, tvb, offset+1, 1, "Delay Metric: %d, %s",
- ISIS_LSP_CLV_METRIC_VALUE(tvb_get_guint8(tvb, offset+1)),
- ISIS_LSP_CLV_METRIC_IE(tvb_get_guint8(tvb, offset+1)) ? "External" : "Internal");
- }
-
-
- if (ISIS_LSP_CLV_METRIC_SUPPORTED(tvb_get_guint8(tvb, offset+2))) {
- proto_tree_add_text (ntree, tvb, offset+2, 1, "Expense Metric: Not supported");
- } else {
- proto_tree_add_text (ntree, tvb, offset+2, 1, "Expense Metric: %d, %s",
- ISIS_LSP_CLV_METRIC_VALUE(tvb_get_guint8(tvb, offset+2)),
- ISIS_LSP_CLV_METRIC_IE(tvb_get_guint8(tvb, offset+2)) ? "External" : "Internal");
- }
-
- if (ISIS_LSP_CLV_METRIC_SUPPORTED(tvb_get_guint8(tvb, offset+3))) {
- proto_tree_add_text (ntree, tvb, offset+3, 1, "Error Metric: Not supported");
- } else {
- proto_tree_add_text (ntree, tvb, offset+3, 1, "Error Metric: %d, %s",
- ISIS_LSP_CLV_METRIC_VALUE(tvb_get_guint8(tvb, offset+3)),
- ISIS_LSP_CLV_METRIC_IE(tvb_get_guint8(tvb, offset+3)) ? "External" : "Internal");
- }
-
- }
- offset += tlen;
- length -= tlen;
- }
-}
-
-/*
- * Name: dissect_lsp_l1_is_neighbors_clv()
- *
- * Description:
- * Dispatch a l1 intermediate system neighbor by calling
- * the inner function with show virtual set to TRUE and is es set to FALSE.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : length of IDs in packet.
- * int : length of clv we are decoding
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_lsp_l1_is_neighbors_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length, int length)
-{
- dissect_lsp_eis_neighbors_clv_inner(tvb, tree, offset,
- length, id_length, TRUE, FALSE);
-}
-
-/*
- * Name: dissect_lsp_l1_es_neighbors_clv()
- *
- * Description:
- * Dispatch a l1 end or intermediate system neighbor by calling
- * the inner function with show virtual set to TRUE and es set to TRUE.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : length of IDs in packet.
- * int : length of clv we are decoding
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_lsp_l1_es_neighbors_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length, int length)
-{
- dissect_lsp_eis_neighbors_clv_inner(tvb, tree, offset,
- length, id_length, TRUE, TRUE);
-}
-
-/*
- * Name: dissect_lsp_l2_is_neighbors_clv()
- *
- * Description:
- * Dispatch a l2 intermediate system neighbor by calling
- * the inner function with show virtual set to FALSE, and is es set
- * to FALSE
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : length of IDs in packet.
- * int : length of clv we are decoding
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_lsp_l2_is_neighbors_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length, int length)
-{
- dissect_lsp_eis_neighbors_clv_inner(tvb, tree, offset,
- length, id_length, FALSE, FALSE);
-}
-
-
-/*
- * Name: dissect_subclv_admin_group ()
- *
- * Description: Called by function dissect_lsp_ext_is_reachability_clv().
- *
- * This function is called by dissect_lsp_ext_is_reachability_clv()
- * for dissect the administrive group sub-CLV (code 3).
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out.
- * int : offset into packet data where we are (beginning of the sub_clv value).
- *
- * Output:
- * void
- */
-static void
-dissect_subclv_admin_group (tvbuff_t *tvb, proto_tree *tree, int offset) {
- proto_item *ti;
- proto_tree *ntree;
- guint32 clv_value;
- guint32 mask;
- int i;
-
- ti = proto_tree_add_text(tree, tvb, offset-2, 6, "Administrative group(s):");
- ntree = proto_item_add_subtree (ti, ett_isis_lsp_subclv_admin_group);
-
- clv_value = tvb_get_ntohl(tvb, offset);
- mask = 1;
- for (i = 0 ; i < 32 ; i++) {
- if ( (clv_value & mask) != 0 ) {
- proto_tree_add_text (ntree, tvb, offset, 4, "group %d", i);
- }
- mask <<= 1;
- }
-}
-
-/*
- * Name: dissect_subclv_max_bw ()
- *
- * Description: Called by function dissect_lsp_ext_is_reachability_clv().
- *
- * This function is called by dissect_lsp_ext_is_reachability_clv()
- * for dissect the maximum link bandwidth sub-CLV (code 9).
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out.
- * int : offset into packet data where we are (beginning of the sub_clv value).
- *
- * Output:
- * void
- */
-static void
-dissect_subclv_max_bw(tvbuff_t *tvb, proto_tree *tree, int offset)
-{
- gfloat bw;
-
- bw = tvb_get_ntohieee_float(tvb, offset);
- proto_tree_add_text (tree, tvb, offset-2, 6,
- "Maximum link bandwidth : %.2f Mbps", bw*8/1000000 );
-}
-
-/*
- * Name: dissect_subclv_rsv_bw ()
- *
- * Description: Called by function dissect_lsp_ext_is_reachability_clv().
- *
- * This function is called by dissect_lsp_ext_is_reachability_clv()
- * for dissect the reservable link bandwidth sub-CLV (code 10).
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out.
- * int : offset into packet data where we are (beginning of the sub_clv value).
- *
- * Output:
- * void
- */
-static void
-dissect_subclv_rsv_bw(tvbuff_t *tvb, proto_tree *tree, int offset)
-{
- gfloat bw;
-
- bw = tvb_get_ntohieee_float(tvb, offset);
- proto_tree_add_text (tree, tvb, offset-2, 6,
- "Reservable link bandwidth: %.2f Mbps", bw*8/1000000 );
-}
-
-/*
- * Name: dissect_subclv_unrsv_bw ()
- *
- * Description: Called by function dissect_lsp_ext_is_reachability_clv().
- *
- * This function is called by dissect_lsp_ext_is_reachability_clv()
- * for dissect the unreserved bandwidth sub-CLV (code 11).
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out.
- * int : offset into packet data where we are (beginning of the sub_clv value).
- *
- * Output:
- * void
- */
-static void
-dissect_subclv_unrsv_bw(tvbuff_t *tvb, proto_tree *tree, int offset)
-{
- proto_item *ti;
- proto_tree *ntree;
- gfloat bw;
- int i;
-
- ti = proto_tree_add_text (tree, tvb, offset-2, 34, "Unreserved bandwidth:");
- ntree = proto_item_add_subtree (ti, ett_isis_lsp_subclv_unrsv_bw);
-
- for (i = 0 ; i < 8 ; i++) {
- bw = tvb_get_ntohieee_float(tvb, offset+4*i);
- proto_tree_add_text (ntree, tvb, offset+4*i, 4,
- "priority level %d: %.2f Mbps", i, bw*8/1000000 );
- }
-}
-
-/*
- * Name: dissect_lsp_ext_is_reachability_clv()
- *
- * Description: Decode a Extended IS Reachability CLV - code 22
- *
- * The extended IS reachability TLV is an extended version
- * of the IS reachability TLV (code 2). It encodes the metric
- * as a 24-bit unsigned interger and allows to add sub-CLV(s).
- *
- * CALLED BY TLV 222 DISSECTOR
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : length of IDs in packet.
- * int : length of clv we are decoding
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_lsp_ext_is_reachability_clv(tvbuff_t *tvb, proto_tree *tree,
- int offset, int id_length _U_, int length)
-{
- proto_item *ti;
- proto_tree *ntree = NULL;
- guint8 subclvs_len;
- guint8 len, i;
- guint8 clv_code, clv_len;
-
- if (!tree) return;
-
- while (length > 0) {
- ti = proto_tree_add_text (tree, tvb, offset, -1,
- "IS neighbor: %s",
- print_system_id (tvb_get_ptr(tvb, offset, 7), 7) );
- ntree = proto_item_add_subtree (ti,
- ett_isis_lsp_part_of_clv_ext_is_reachability );
-
- proto_tree_add_text (ntree, tvb, offset+7, 3,
- "Metric: %d", tvb_get_ntoh24(tvb, offset+7) );
-
- subclvs_len = tvb_get_guint8(tvb, offset+10);
- if (subclvs_len == 0) {
- proto_tree_add_text (ntree, tvb, offset+10, 1, "no sub-TLVs present");
- }
- else {
- i = 0;
- while (i < subclvs_len) {
- clv_code = tvb_get_guint8(tvb, offset+11+i);
- clv_len = tvb_get_guint8(tvb, offset+12+i);
- switch (clv_code) {
- case 3 :
- dissect_subclv_admin_group(tvb, ntree, offset+13+i);
- break;
- case 6 :
- proto_tree_add_text (ntree, tvb, offset+11+i, 6,
- "IPv4 interface address: %s", ip_to_str (tvb_get_ptr(tvb, offset+13+i, 4)) );
- break;
- case 8 :
- proto_tree_add_text (ntree, tvb, offset+11+i, 6,
- "IPv4 neighbor address: %s", ip_to_str (tvb_get_ptr(tvb, offset+13+i, 4)) );
- break;
- case 9 :
- dissect_subclv_max_bw (tvb, ntree, offset+13+i);
- break;
- case 10:
- dissect_subclv_rsv_bw (tvb, ntree, offset+13+i);
- break;
- case 11:
- dissect_subclv_unrsv_bw (tvb, ntree, offset+13+i);
- break;
- case 18:
- proto_tree_add_text (ntree, tvb, offset+11+i, 5,
- "Traffic engineering default metric: %d",
- tvb_get_ntoh24(tvb, offset+13+i) );
- break;
- case 250:
- case 251:
- case 252:
- case 253:
- case 254:
- proto_tree_add_text (ntree, tvb, offset+11+i, clv_len+2,
- "Unknown Cisco specific extensions: code %d, length %d",
- clv_code, clv_len );
- break;
- default :
- proto_tree_add_text (ntree, tvb, offset+11+i, clv_len+2,
- "Unknown sub-CLV: code %d, length %d", clv_code, clv_len );
- break;
- }
- i += clv_len + 2;
- }
- }
-
- len = 11 + subclvs_len;
- proto_item_set_len (ti, len);
- offset += len;
- length -= len;
- }
-}
-
-/*
- * Name: dissect_lsp_mt_reachable_IPv4_prefx_clv()
- *
- * Description: Decode Multi-Topology IPv4 Prefixes - code 235
- *
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : length of IDs in packet.
- * int : length of clv we are decoding
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_lsp_mt_reachable_IPv4_prefx_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length _U_, int length)
-{
- if (!tree) return;
- if (length < 2) {
- isis_dissect_unknown(tvb, tree, offset,
- "short lsp multi-topology reachable IPv4 prefixes(%d vs %d)", length,
- 2 );
- return;
- }
- dissect_lsp_mt_id(tvb, tree, offset);
- dissect_lsp_ext_ip_reachability_clv(tvb, tree, offset+2, 0, length-2);
-}
-
-/*
- * Name: dissect_lsp_mt_reachable_IPv6_prefx_clv()
- *
- * Description: Decode Multi-Topology IPv6 Prefixes - code 237
- *
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : length of IDs in packet.
- * int : length of clv we are decoding
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_lsp_mt_reachable_IPv6_prefx_clv(tvbuff_t *tvb,
- proto_tree *tree, int offset, int id_length _U_, int length)
-{
- if (!tree) return;
- if (length < 2) {
- isis_dissect_unknown(tvb, tree, offset,
- "short lsp multi-topology reachable IPv6 prefixes(%d vs %d)", length,
- 2 );
- return;
- }
- dissect_lsp_mt_id(tvb, tree, offset);
- dissect_lsp_ipv6_reachability_clv(tvb, tree, offset+2, 0, length-2);
-}
-
-
-/*
- * Name: dissect_lsp_mt_is_reachability_clv()
- *
- * Description: Decode Multi-Topology Intermediate Systems - code 222
- *
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : unused
- * int : length of clv we are decoding
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-
-static void
-dissect_lsp_mt_is_reachability_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- if (!tree) return;
- if (length < 2) {
- isis_dissect_unknown(tvb, tree, offset,
- "short lsp reachability(%d vs %d)", length,
- 2 );
- return;
- }
-
- /*
- * the MT ID value dissection is used in other LSPs so we push it
- * in a function
- */
- dissect_lsp_mt_id(tvb, tree, offset);
- /*
- * fix here. No need to parse TLV 22 (with bugs) while it is
- * already done correctly!!
- */
- dissect_lsp_ext_is_reachability_clv(tvb, tree, offset+2, 0, length-2);
-}
-
-/*
- * Name: dissect_lsp_partition_dis_clv()
- *
- * Description:
- * This CLV is used to indicate which system is the designated
- * IS for partition repair. This means just putting out the
- * "id_length"-octet IS.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : length of IDs in packet.
- * int : length of clv we are decoding
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_lsp_partition_dis_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length, int length)
-{
- if ( length < id_length ) {
- isis_dissect_unknown(tvb, tree, offset,
- "short lsp partition DIS(%d vs %d)", length,
- id_length );
- return;
- }
- /*
- * Gotta build a sub-tree for all our pieces
- */
- if ( tree ) {
- proto_tree_add_text ( tree, tvb, offset, id_length,
- "Partition designated L2 IS: %s",
- print_system_id( tvb_get_ptr(tvb, offset, id_length), id_length ) );
- }
- length -= id_length;
- offset += id_length;
- if ( length > 0 ){
- isis_dissect_unknown(tvb, tree, offset,
- "Long lsp partition DIS, %d left over", length );
- return;
- }
-}
-
-/*
- * Name: dissect_lsp_prefix_neighbors_clv()
- *
- * Description:
- * The prefix CLV describes what other (OSI) networks we can reach
- * and what their cost is. It is built from a metric block
- * (see dissect_metric) followed by n addresses.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to fill out. May be NULL
- * int : offset into packet data where we are.
- * int : length of IDs in packet.
- * int : length of clv we are decoding
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-static void
-dissect_lsp_prefix_neighbors_clv(tvbuff_t *tvb, proto_tree *tree, int offset,
- int id_length _U_, int length)
-{
- char *sbuf;
- int mylen;
-
- if ( length < 4 ) {
- isis_dissect_unknown(tvb, tree, offset,
- "Short lsp prefix neighbors (%d vs 4)", length );
- return;
- }
- if ( tree ) {
- dissect_metric (tvb, tree, offset,
- tvb_get_guint8(tvb, offset), "Default", TRUE );
- dissect_metric (tvb, tree, offset+1,
- tvb_get_guint8(tvb, offset+1), "Delay", FALSE );
- dissect_metric (tvb, tree, offset+2,
- tvb_get_guint8(tvb, offset+2), "Expense", FALSE );
- dissect_metric (tvb, tree, offset+3,
- tvb_get_guint8(tvb, offset+3), "Error", FALSE );
- }
- offset += 4;
- length -= 4;
- while ( length > 0 ) {
- mylen = tvb_get_guint8(tvb, offset);
- length--;
- if (length<=0) {
- isis_dissect_unknown(tvb, tree, offset,
- "Zero payload space after length in prefix neighbor" );
- return;
- }
- if ( mylen > length) {
- isis_dissect_unknown(tvb, tree, offset,
- "Interal length of prefix neighbor too long (%d vs %d)",
- mylen, length );
- return;
- }
-
- /*
- * Lets turn the area address into "standard" 0000.0000.etc
- * format string.
- */
- sbuf = print_area( tvb_get_ptr(tvb, offset+1, mylen), mylen );
- /* and spit it out */
- if ( tree ) {
- proto_tree_add_text ( tree, tvb, offset, mylen + 1,
- "Area address (%d): %s", mylen, sbuf );
- }
- offset += mylen + 1;
- length -= mylen; /* length already adjusted for len fld*/
- }
-}
-
-/*
- * Name: isis_dissect_isis_lsp()
- *
- * Description:
- * Print out the LSP part of the main header and then call the CLV
- * de-mangler with the right list of valid CLVs.
- *
- * Input:
- * tvbuff_t * : tvbuffer for packet data
- * proto_tree * : protocol display tree to add to. May be NULL.
- * int offset : our offset into packet data.
- * int : LSP type, a la packet-isis.h ISIS_TYPE_* values
- * int : header length of packet.
- * int : length of IDs in packet.
- *
- * Output:
- * void, but we will add to proto tree if !NULL.
- */
-void
-isis_dissect_isis_lsp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
- int lsp_type, int header_length, int id_length)
-{
- proto_item *ti, *to, *ta;
- proto_tree *lsp_tree = NULL, *info_tree, *att_tree;
- guint16 pdu_length, checksum, cacl_checksum=0;
- guint8 lsp_info, lsp_att;
- int len, offset_checksum;
-
- if (tree) {
- ti = proto_tree_add_text(tree, tvb, offset, -1,
- PROTO_STRING_LSP);
- lsp_tree = proto_item_add_subtree(ti, ett_isis_lsp);
- }
-
- pdu_length = tvb_get_ntohs(tvb, offset);
- if (tree) {
- proto_tree_add_uint(lsp_tree, hf_isis_lsp_pdu_length, tvb,
- offset, 2, pdu_length);
- }
- offset += 2;
-
- if (tree) {
- proto_tree_add_text(lsp_tree, tvb, offset, 2,
- "Remaining Lifetime: %us",
- tvb_get_ntohs(tvb, offset));
- }
- offset += 2;
- offset_checksum = offset;
-
- if (tree) {
- proto_tree_add_text(lsp_tree, tvb, offset, id_length + 2,
- "LSP-ID: %s",
- print_system_id( tvb_get_ptr(tvb, offset, id_length+2), id_length+2 ) );
- }
-
- if (check_col(pinfo->cinfo, COL_INFO)) {
- col_append_fstr(pinfo->cinfo, COL_INFO, ", LSP-ID: %s",
- print_system_id( tvb_get_ptr(tvb, offset, id_length+2), id_length+2 ) );
- }
- offset += id_length + 2;
-
- if (tree) {
- proto_tree_add_uint(lsp_tree, hf_isis_lsp_sequence_number, tvb,
- offset, 4,
- tvb_get_ntohl(tvb, offset));
- }
- if (check_col(pinfo->cinfo, COL_INFO)) {
- col_append_fstr(pinfo->cinfo, COL_INFO, ", Sequence: 0x%08x, Lifetime: %5us",
- tvb_get_ntohl(tvb, offset),
- tvb_get_ntohs(tvb, offset - (id_length+2+2)));
- }
- offset += 4;
-
- if (tree) {
- checksum = tvb_get_ntohs(tvb, offset);
- switch (check_and_get_checksum(tvb, offset_checksum, pdu_length-12, checksum, offset, &cacl_checksum))
- {
-
- case NO_CKSUM :
- proto_tree_add_uint_format(lsp_tree, hf_isis_lsp_checksum, tvb, offset, 2, checksum,
- "Checksum: 0x%04x (unused)", checksum);
- break;
- case DATA_MISSING :
- isis_dissect_unknown(tvb, tree, offset,
- "packet length %d went beyond packet",
- tvb_length_remaining(tvb, offset_checksum));
- break;
- case CKSUM_NOT_OK :
- proto_tree_add_uint_format(lsp_tree, hf_isis_lsp_checksum, tvb, offset, 2, checksum,
- "Checksum: 0x%04x (incorrect, should be 0x%04x)",
- checksum, cacl_checksum);
- proto_tree_add_boolean_hidden(lsp_tree, hf_isis_lsp_checksum_bad,
- tvb, offset, 2, TRUE);
- break;
- case CKSUM_OK :
- proto_tree_add_uint_format(lsp_tree, hf_isis_lsp_checksum, tvb, offset, 2, checksum,
- "Checksum: 0x%04x (correct)", checksum);
- proto_tree_add_boolean_hidden(lsp_tree, hf_isis_lsp_checksum_bad,
- tvb, offset, 2, FALSE);
- break;
- default :
- g_message("'check_and_get_checksum' returned an invalid value");
- }
- }
- offset += 2;
-
- if (tree) {
- /*
- * P | ATT | HIPPITY | IS TYPE description.
- */
- lsp_info = tvb_get_guint8(tvb, offset);
- to = proto_tree_add_text(lsp_tree, tvb, offset, 1,
- "Type block(0x%02x): Partition Repair:%d, Attached bits:%d, Overload bit:%d, IS type:%d",
- lsp_info,
- ISIS_LSP_PARTITION(lsp_info),
- ISIS_LSP_ATT(lsp_info),
- ISIS_LSP_HIPPITY(lsp_info),
- ISIS_LSP_IS_TYPE(lsp_info)
- );
-
- info_tree = proto_item_add_subtree(to, ett_isis_lsp_info);
- proto_tree_add_boolean(info_tree, hf_isis_lsp_p, tvb, offset, 1, lsp_info);
- ta = proto_tree_add_uint(info_tree, hf_isis_lsp_att, tvb, offset, 1, lsp_info);
- att_tree = proto_item_add_subtree(ta, ett_isis_lsp_att);
- lsp_att = ISIS_LSP_ATT(lsp_info);
- proto_tree_add_text(att_tree, tvb, offset, 1,
- "%d... = Error metric: %s", ISIS_LSP_ATT_ERROR(lsp_att), ISIS_LSP_ATT_ERROR(lsp_att) ? "Set" : "Unset");
- proto_tree_add_text(att_tree, tvb, offset, 1,
- ".%d.. = Expense metric: %s", ISIS_LSP_ATT_EXPENSE(lsp_att), ISIS_LSP_ATT_EXPENSE(lsp_att) ? "Set" : "Unset");
- proto_tree_add_text(att_tree, tvb, offset, 1,
- "..%d. = Delay metric: %s", ISIS_LSP_ATT_DELAY(lsp_att), ISIS_LSP_ATT_DELAY(lsp_att) ? "Set" : "Unset");
- proto_tree_add_text(att_tree, tvb, offset, 1,
- "...%d = Default metric: %s", ISIS_LSP_ATT_DEFAULT(lsp_att), ISIS_LSP_ATT_DEFAULT(lsp_att) ? "Set" : "Unset");
- proto_tree_add_boolean(info_tree, hf_isis_lsp_hippity, tvb, offset, 1, lsp_info);
- proto_tree_add_uint(info_tree, hf_isis_lsp_is_type, tvb, offset, 1, lsp_info);
- }
- offset += 1;
-
- len = pdu_length - header_length;
- if (len < 0) {
- isis_dissect_unknown(tvb, tree, offset,
- "packet header length %d went beyond packet",
- header_length );
- return;
- }
- /*
- * Now, we need to decode our CLVs. We need to pass in
- * our list of valid ones!
- */
- if (lsp_type == ISIS_TYPE_L1_LSP){
- isis_dissect_clvs(tvb, lsp_tree, offset,
- clv_l1_lsp_opts, len, id_length,
- ett_isis_lsp_clv_unknown );
- } else {
- isis_dissect_clvs(tvb, lsp_tree, offset,
- clv_l2_lsp_opts, len, id_length,
- ett_isis_lsp_clv_unknown );
- }
-}
-/*
- * Name: isis_register_lsp()
- *
- * Description:
- * Register our protocol sub-sets with protocol manager.
- *
- * Input:
- * int : protocol index for the ISIS protocol
- *
- * Output:
- * void
- */
-void
-isis_register_lsp(int proto_isis) {
- static hf_register_info hf[] = {
- { &hf_isis_lsp_pdu_length,
- { "PDU length", "isis.lsp.pdu_length", FT_UINT16,
- BASE_DEC, NULL, 0x0, "", HFILL }},
-
- { &hf_isis_lsp_remaining_life,
- { "Remaining lifetime", "isis.lsp.remaining_life", FT_UINT16,
- BASE_DEC, NULL, 0x0, "", HFILL }},
-
- { &hf_isis_lsp_sequence_number,
- { "Sequence number", "isis.lsp.sequence_number",
- FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL }},
-
- { &hf_isis_lsp_checksum,
- { "Checksum", "isis.lsp.checksum",FT_UINT16,
- BASE_HEX, NULL, 0x0, "", HFILL }},
-
- { &hf_isis_lsp_checksum_bad,
- { "Bad Checksum", "isis.lsp.checksum_bad", FT_BOOLEAN, BASE_NONE,
- NULL, 0, "Bad IS-IS LSP Checksum", HFILL }},
-
- { &hf_isis_lsp_clv_ipv4_int_addr,
- { "IPv4 interface address", "isis.lsp.clv_ipv4_int_addr", FT_IPv4,
- BASE_NONE, NULL, 0x0, "", HFILL }},
-
- { &hf_isis_lsp_clv_ipv6_int_addr,
- { "IPv6 interface address", "isis.lsp.clv_ipv6_int_addr", FT_IPv6,
- BASE_NONE, NULL, 0x0, "", HFILL }},
-
- { &hf_isis_lsp_clv_te_router_id,
- { "Traffic Engineering Router ID", "isis.lsp.clv_te_router_id", FT_IPv4,
- BASE_NONE, NULL, 0x0, "", HFILL }},
-
- { &hf_isis_lsp_clv_mt,
- { "MT-ID ", "isis.lsp.clv_mt",
- FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }},
-
- { &hf_isis_lsp_p,
- { "Partition Repair", "isis.lsp.partition_repair", FT_BOOLEAN, 8,
- TFS(&supported_string), ISIS_LSP_PARTITION_MASK,
- "If set, this router supports the optional Partition Repair function", HFILL }},
-
- { &hf_isis_lsp_att,
- { "Attachment", "isis.lsp.att", FT_UINT8, BASE_DEC,
- NULL, ISIS_LSP_ATT_MASK,
- "", HFILL }},
-
- { &hf_isis_lsp_hippity,
- { "Overload bit", "isis.lsp.overload", FT_BOOLEAN, 8,
- TFS(&hippity_string), ISIS_LSP_HIPPITY_MASK,
- "If set, this router will not be used by any decision process to calculate routes", HFILL }},
-
- { &hf_isis_lsp_is_type,
- { "Type of Intermediate System", "isis.lsp.is_type", FT_UINT8, BASE_DEC,
- VALS(isis_lsp_istype_vals), ISIS_LSP_IS_TYPE_MASK,
- "", HFILL }},
- };
- static gint *ett[] = {
- &ett_isis_lsp,
- &ett_isis_lsp_info,
- &ett_isis_lsp_att,
- &ett_isis_lsp_clv_area_addr,
- &ett_isis_lsp_clv_is_neighbors,
- &ett_isis_lsp_clv_ext_is_reachability, /* CLV 22 */
- &ett_isis_lsp_part_of_clv_ext_is_reachability,
- &ett_isis_lsp_subclv_admin_group,
- &ett_isis_lsp_subclv_unrsv_bw,
- &ett_isis_lsp_clv_unknown,
- &ett_isis_lsp_clv_partition_dis,
- &ett_isis_lsp_clv_prefix_neighbors,
- &ett_isis_lsp_clv_authentication,
- &ett_isis_lsp_clv_ip_authentication,
- &ett_isis_lsp_clv_nlpid,
- &ett_isis_lsp_clv_hostname,
- &ett_isis_lsp_clv_ipv4_int_addr,
- &ett_isis_lsp_clv_ipv6_int_addr, /* CLV 232 */
- &ett_isis_lsp_clv_te_router_id,
- &ett_isis_lsp_clv_ip_reachability,
- &ett_isis_lsp_clv_ip_reach_subclv,
- &ett_isis_lsp_clv_ext_ip_reachability, /* CLV 135 */
- &ett_isis_lsp_part_of_clv_ext_ip_reachability,
- &ett_isis_lsp_clv_ipv6_reachability, /* CLV 236 */
- &ett_isis_lsp_part_of_clv_ipv6_reachability,
- &ett_isis_lsp_clv_mt,
- &ett_isis_lsp_clv_mt_is,
- &ett_isis_lsp_part_of_clv_mt_is,
- &ett_isis_lsp_clv_mt_reachable_IPv4_prefx,
- &ett_isis_lsp_clv_mt_reachable_IPv6_prefx,
- };
-
- proto_register_field_array(proto_isis, hf, array_length(hf));
- proto_register_subtree_array(ett, array_length(ett));
-}
git.samba.org / obnox / wireshark / wip.git / blobdiff