881 lines
29 KiB
C
881 lines
29 KiB
C
/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code
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* distributions retain the above copyright notice and this paragraph
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* in its entirety, and (2) distributions including binary code include
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* the above copyright notice and this paragraph in its entirety in
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* the documentation or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
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* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
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* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE.
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*
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* Support for the Link Management Protocol as per rfc 4204.
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*
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* Original code by Hannes Gredler (hannes@juniper.net)
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* Support for LMP service discovery extensions (defined by UNI 1.0) added
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* by Manu Pathak (mapathak@cisco.com), May 2005
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*/
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#define NETDISSECT_REWORKED
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tcpdump-stdinc.h>
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#include "interface.h"
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#include "extract.h"
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#include "addrtoname.h"
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#include "gmpls.h"
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/*
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* LMP common header
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*
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* 0 1 2 3
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* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Vers | (Reserved) | Flags | Msg Type |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | LMP Length | (Reserved) |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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struct lmp_common_header {
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uint8_t version_res[2];
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uint8_t flags;
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uint8_t msg_type;
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uint8_t length[2];
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uint8_t reserved[2];
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};
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#define LMP_VERSION 1
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#define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
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static const struct tok lmp_header_flag_values[] = {
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{ 0x01, "Control Channel Down"},
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{ 0x02, "LMP restart"},
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{ 0, NULL}
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};
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static const struct tok lmp_obj_te_link_flag_values[] = {
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{ 0x01, "Fault Management Supported"},
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{ 0x02, "Link Verification Supported"},
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{ 0, NULL}
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};
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static const struct tok lmp_obj_data_link_flag_values[] = {
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{ 0x01, "Data Link Port"},
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{ 0x02, "Allocated for user traffic"},
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{ 0x04, "Failed link"},
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{ 0, NULL}
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};
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static const struct tok lmp_obj_channel_status_values[] = {
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{ 1, "Signal Okay"},
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{ 2, "Signal Degraded"},
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{ 3, "Signal Fail"},
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{ 0, NULL}
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};
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static const struct tok lmp_obj_begin_verify_flag_values[] = {
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{ 0x0001, "Verify all links"},
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{ 0x0002, "Data link type"},
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{ 0, NULL}
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};
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static const struct tok lmp_obj_begin_verify_error_values[] = {
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{ 0x01, "Link Verification Procedure Not supported"},
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{ 0x02, "Unwilling to verify"},
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{ 0x04, "Unsupported verification transport mechanism"},
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{ 0x08, "Link-Id configuration error"},
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{ 0x10, "Unknown object c-type"},
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{ 0, NULL}
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};
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static const struct tok lmp_obj_link_summary_error_values[] = {
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{ 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"},
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{ 0x02, "Renegotiate LINK-SUMMARY parameters"},
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{ 0x04, "Invalid TE-LINK Object"},
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{ 0x08, "Invalid DATA-LINK Object"},
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{ 0x10, "Unknown TE-LINK Object c-type"},
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{ 0x20, "Unknown DATA-LINK Object c-type"},
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{ 0, NULL}
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};
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/* Service Config Supported Protocols Flags */
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static const struct tok lmp_obj_service_config_sp_flag_values[] = {
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{ 0x01, "RSVP Supported"},
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{ 0x02, "LDP Supported"},
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{ 0, NULL}
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};
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/* Service Config Client Port Service Attribute Transparency Flags */
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static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = {
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{ 0x01, "Path/VC Overhead Transparency Supported"},
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{ 0x02, "Line/MS Overhead Transparency Supported"},
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{ 0x04, "Section/RS Overhead Transparency Supported"},
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{ 0, NULL}
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};
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/* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */
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static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = {
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{ 0x01, "Contiguous Concatenation Types Supported"},
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{ 0, NULL}
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};
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/* Service Config Network Service Attributes Transparency Flags */
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static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = {
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{ 0x01, "Standard SOH/RSOH Transparency Supported"},
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{ 0x02, "Standard LOH/MSOH Transparency Supported"},
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{ 0, NULL}
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};
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/* Service Config Network Service Attributes TCM Monitoring Flags */
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static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = {
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{ 0x01, "Transparent Tandem Connection Monitoring Supported"},
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{ 0, NULL}
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};
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/* Network Service Attributes Network Diversity Flags */
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static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = {
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{ 0x01, "Node Diversity Supported"},
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{ 0x02, "Link Diversity Supported"},
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{ 0x04, "SRLG Diversity Supported"},
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{ 0, NULL}
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};
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#define LMP_MSGTYPE_CONFIG 1
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#define LMP_MSGTYPE_CONFIG_ACK 2
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#define LMP_MSGTYPE_CONFIG_NACK 3
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#define LMP_MSGTYPE_HELLO 4
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#define LMP_MSGTYPE_VERIFY_BEGIN 5
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#define LMP_MSGTYPE_VERIFY_BEGIN_ACK 6
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#define LMP_MSGTYPE_VERIFY_BEGIN_NACK 7
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#define LMP_MSGTYPE_VERIFY_END 8
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#define LMP_MSGTYPE_VERIFY_END_ACK 9
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#define LMP_MSGTYPE_TEST 10
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#define LMP_MSGTYPE_TEST_STATUS_SUCCESS 11
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#define LMP_MSGTYPE_TEST_STATUS_FAILURE 12
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#define LMP_MSGTYPE_TEST_STATUS_ACK 13
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#define LMP_MSGTYPE_LINK_SUMMARY 14
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#define LMP_MSGTYPE_LINK_SUMMARY_ACK 15
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#define LMP_MSGTYPE_LINK_SUMMARY_NACK 16
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#define LMP_MSGTYPE_CHANNEL_STATUS 17
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#define LMP_MSGTYPE_CHANNEL_STATUS_ACK 18
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#define LMP_MSGTYPE_CHANNEL_STATUS_REQ 19
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#define LMP_MSGTYPE_CHANNEL_STATUS_RESP 20
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/* LMP Service Discovery message types defined by UNI 1.0 */
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#define LMP_MSGTYPE_SERVICE_CONFIG 50
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#define LMP_MSGTYPE_SERVICE_CONFIG_ACK 51
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#define LMP_MSGTYPE_SERVICE_CONFIG_NACK 52
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static const struct tok lmp_msg_type_values[] = {
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{ LMP_MSGTYPE_CONFIG, "Config"},
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{ LMP_MSGTYPE_CONFIG_ACK, "Config ACK"},
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{ LMP_MSGTYPE_CONFIG_NACK, "Config NACK"},
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{ LMP_MSGTYPE_HELLO, "Hello"},
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{ LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"},
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{ LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"},
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{ LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"},
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{ LMP_MSGTYPE_VERIFY_END, "End Verify"},
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{ LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"},
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{ LMP_MSGTYPE_TEST, "Test"},
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{ LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"},
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{ LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"},
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{ LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"},
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{ LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"},
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{ LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"},
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{ LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"},
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{ LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"},
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{ LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"},
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{ LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"},
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{ LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"},
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{ LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"},
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{ LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"},
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{ LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"},
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{ 0, NULL}
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};
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/*
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* LMP object header
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*
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* 0 1 2 3
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* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* |N| C-Type | Class | Length |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | |
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* // (object contents) //
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* | |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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struct lmp_object_header {
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uint8_t ctype;
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uint8_t class_num;
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uint8_t length[2];
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};
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#define LMP_OBJ_CC_ID 1
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#define LMP_OBJ_NODE_ID 2
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#define LMP_OBJ_LINK_ID 3
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#define LMP_OBJ_INTERFACE_ID 4
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#define LMP_OBJ_MESSAGE_ID 5
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#define LMP_OBJ_CONFIG 6
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#define LMP_OBJ_HELLO 7
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#define LMP_OBJ_VERIFY_BEGIN 8
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#define LMP_OBJ_VERIFY_BEGIN_ACK 9
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#define LMP_OBJ_VERIFY_ID 10
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#define LMP_OBJ_TE_LINK 11
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#define LMP_OBJ_DATA_LINK 12
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#define LMP_OBJ_CHANNEL_STATUS 13
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#define LMP_OBJ_CHANNEL_STATUS_REQ 14
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#define LMP_OBJ_ERROR_CODE 20
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#define LMP_OBJ_SERVICE_CONFIG 51 /* defined in UNI 1.0 */
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static const struct tok lmp_obj_values[] = {
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{ LMP_OBJ_CC_ID, "Control Channel ID" },
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{ LMP_OBJ_NODE_ID, "Node ID" },
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{ LMP_OBJ_LINK_ID, "Link ID" },
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{ LMP_OBJ_INTERFACE_ID, "Interface ID" },
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{ LMP_OBJ_MESSAGE_ID, "Message ID" },
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{ LMP_OBJ_CONFIG, "Configuration" },
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{ LMP_OBJ_HELLO, "Hello" },
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{ LMP_OBJ_VERIFY_BEGIN, "Verify Begin" },
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{ LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" },
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{ LMP_OBJ_VERIFY_ID, "Verify ID" },
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{ LMP_OBJ_TE_LINK, "TE Link" },
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{ LMP_OBJ_DATA_LINK, "Data Link" },
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{ LMP_OBJ_CHANNEL_STATUS, "Channel Status" },
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{ LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" },
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{ LMP_OBJ_ERROR_CODE, "Error Code" },
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{ LMP_OBJ_SERVICE_CONFIG, "Service Config" },
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{ 0, NULL}
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};
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#define INT_SWITCHING_TYPE_SUBOBJ 1
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#define WAVELENGTH_SUBOBJ 2
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static const struct tok lmp_data_link_subobj[] = {
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{ INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" },
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{ WAVELENGTH_SUBOBJ , "Wavelength" },
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{ 0, NULL}
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};
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#define LMP_CTYPE_IPV4 1
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#define LMP_CTYPE_IPV6 2
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#define LMP_CTYPE_LOC 1
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#define LMP_CTYPE_RMT 2
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#define LMP_CTYPE_UNMD 3
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#define LMP_CTYPE_IPV4_LOC 1
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#define LMP_CTYPE_IPV4_RMT 2
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#define LMP_CTYPE_IPV6_LOC 3
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#define LMP_CTYPE_IPV6_RMT 4
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#define LMP_CTYPE_UNMD_LOC 5
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#define LMP_CTYPE_UNMD_RMT 6
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#define LMP_CTYPE_1 1
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#define LMP_CTYPE_2 2
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#define LMP_CTYPE_HELLO_CONFIG 1
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#define LMP_CTYPE_HELLO 1
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#define LMP_CTYPE_BEGIN_VERIFY_ERROR 1
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#define LMP_CTYPE_LINK_SUMMARY_ERROR 2
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/* C-Types for Service Config Object */
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#define LMP_CTYPE_SERVICE_CONFIG_SP 1
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#define LMP_CTYPE_SERVICE_CONFIG_CPSA 2
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#define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM 3
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#define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY 4
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/*
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* Different link types allowed in the Client Port Service Attributes
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* subobject defined for LMP Service Discovery in the UNI 1.0 spec
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*/
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#define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH 5 /* UNI 1.0 Sec 9.4.2 */
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#define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET 6 /* UNI 1.0 Sec 9.4.2 */
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/*
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* the ctypes are not globally unique so for
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* translating it to strings we build a table based
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* on objects offsetted by the ctype
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*/
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static const struct tok lmp_ctype_values[] = {
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{ 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" },
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{ 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" },
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{ 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" },
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{ 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" },
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{ 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
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{ 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
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{ 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
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{ 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
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{ 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
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{ 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
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{ 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
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{ 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
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{ 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
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{ 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
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{ 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
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{ 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
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{ 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" },
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{ 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" },
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{ 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" },
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{ 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" },
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{ 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" },
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{ 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" },
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{ 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" },
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{ 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" },
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{ 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" },
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{ 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
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{ 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" },
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{ 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" },
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{ 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
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{ 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" },
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{ 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" },
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{ 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" },
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{ 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" },
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{ 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" },
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{ 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" },
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{ 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" },
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{ 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" },
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{ 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" },
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{ 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" },
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{ 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" },
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{ 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" },
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{ 0, NULL}
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};
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void
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lmp_print(netdissect_options *ndo,
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register const u_char *pptr, register u_int len) {
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const struct lmp_common_header *lmp_com_header;
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const struct lmp_object_header *lmp_obj_header;
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const u_char *tptr,*obj_tptr;
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int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
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int hexdump;
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int offset,subobj_type,subobj_len,total_subobj_len;
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int link_type;
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union { /* int to float conversion buffer */
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float f;
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uint32_t i;
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} bw;
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tptr=pptr;
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lmp_com_header = (const struct lmp_common_header *)pptr;
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ND_TCHECK(*lmp_com_header);
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/*
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* Sanity checking of the header.
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*/
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if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
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ND_PRINT((ndo, "LMP version %u packet not supported",
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LMP_EXTRACT_VERSION(lmp_com_header->version_res[0])));
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return;
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}
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/* in non-verbose mode just lets print the basic Message Type*/
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if (ndo->ndo_vflag < 1) {
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ND_PRINT((ndo, "LMPv%u %s Message, length: %u",
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LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
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tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
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len));
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return;
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}
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/* ok they seem to want to know everything - lets fully decode it */
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tlen=EXTRACT_16BITS(lmp_com_header->length);
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ND_PRINT((ndo, "\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
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LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
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tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
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bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
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tlen));
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tptr+=sizeof(const struct lmp_common_header);
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tlen-=sizeof(const struct lmp_common_header);
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while(tlen>0) {
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/* did we capture enough for fully decoding the object header ? */
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ND_TCHECK2(*tptr, sizeof(struct lmp_object_header));
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|
|
lmp_obj_header = (const struct lmp_object_header *)tptr;
|
|
lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
|
|
lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
|
|
|
|
if(lmp_obj_len % 4 || lmp_obj_len < 4)
|
|
return;
|
|
|
|
ND_PRINT((ndo, "\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
|
|
tok2str(lmp_obj_values,
|
|
"Unknown",
|
|
lmp_obj_header->class_num),
|
|
lmp_obj_header->class_num,
|
|
tok2str(lmp_ctype_values,
|
|
"Unknown",
|
|
((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
|
|
lmp_obj_ctype,
|
|
(lmp_obj_header->ctype)&0x80 ? "" : "non-",
|
|
lmp_obj_len));
|
|
|
|
obj_tptr=tptr+sizeof(struct lmp_object_header);
|
|
obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
|
|
|
|
/* did we capture enough for fully decoding the object ? */
|
|
ND_TCHECK2(*tptr, lmp_obj_len);
|
|
hexdump=FALSE;
|
|
|
|
switch(lmp_obj_header->class_num) {
|
|
|
|
case LMP_OBJ_CC_ID:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_LOC:
|
|
case LMP_CTYPE_RMT:
|
|
ND_PRINT((ndo, "\n\t Control Channel ID: %u (0x%08x)",
|
|
EXTRACT_32BITS(obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr)));
|
|
break;
|
|
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_LINK_ID:
|
|
case LMP_OBJ_INTERFACE_ID:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_IPV4_LOC:
|
|
case LMP_CTYPE_IPV4_RMT:
|
|
ND_PRINT((ndo, "\n\t IPv4 Link ID: %s (0x%08x)",
|
|
ipaddr_string(ndo, obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr)));
|
|
break;
|
|
#ifdef INET6
|
|
case LMP_CTYPE_IPV6_LOC:
|
|
case LMP_CTYPE_IPV6_RMT:
|
|
ND_PRINT((ndo, "\n\t IPv6 Link ID: %s (0x%08x)",
|
|
ip6addr_string(ndo, obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr)));
|
|
break;
|
|
#endif
|
|
case LMP_CTYPE_UNMD_LOC:
|
|
case LMP_CTYPE_UNMD_RMT:
|
|
ND_PRINT((ndo, "\n\t Link ID: %u (0x%08x)",
|
|
EXTRACT_32BITS(obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr)));
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_MESSAGE_ID:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_1:
|
|
ND_PRINT((ndo, "\n\t Message ID: %u (0x%08x)",
|
|
EXTRACT_32BITS(obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr)));
|
|
break;
|
|
case LMP_CTYPE_2:
|
|
ND_PRINT((ndo, "\n\t Message ID Ack: %u (0x%08x)",
|
|
EXTRACT_32BITS(obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr)));
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_NODE_ID:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_LOC:
|
|
case LMP_CTYPE_RMT:
|
|
ND_PRINT((ndo, "\n\t Node ID: %s (0x%08x)",
|
|
ipaddr_string(ndo, obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr)));
|
|
break;
|
|
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_CONFIG:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_HELLO_CONFIG:
|
|
ND_PRINT((ndo, "\n\t Hello Interval: %u\n\t Hello Dead Interval: %u",
|
|
EXTRACT_16BITS(obj_tptr),
|
|
EXTRACT_16BITS(obj_tptr+2)));
|
|
break;
|
|
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_HELLO:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_HELLO:
|
|
ND_PRINT((ndo, "\n\t Tx Seq: %u, Rx Seq: %u",
|
|
EXTRACT_32BITS(obj_tptr),
|
|
EXTRACT_32BITS(obj_tptr+4)));
|
|
break;
|
|
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_TE_LINK:
|
|
ND_PRINT((ndo, "\n\t Flags: [%s]",
|
|
bittok2str(lmp_obj_te_link_flag_values,
|
|
"none",
|
|
EXTRACT_16BITS(obj_tptr)>>8)));
|
|
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_IPV4:
|
|
ND_PRINT((ndo, "\n\t Local Link-ID: %s (0x%08x)"
|
|
"\n\t Remote Link-ID: %s (0x%08x)",
|
|
ipaddr_string(ndo, obj_tptr+4),
|
|
EXTRACT_32BITS(obj_tptr+4),
|
|
ipaddr_string(ndo, obj_tptr+8),
|
|
EXTRACT_32BITS(obj_tptr+8)));
|
|
break;
|
|
|
|
#ifdef INET6
|
|
case LMP_CTYPE_IPV6:
|
|
#endif
|
|
case LMP_CTYPE_UNMD:
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_DATA_LINK:
|
|
ND_PRINT((ndo, "\n\t Flags: [%s]",
|
|
bittok2str(lmp_obj_data_link_flag_values,
|
|
"none",
|
|
EXTRACT_16BITS(obj_tptr)>>8)));
|
|
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_IPV4:
|
|
case LMP_CTYPE_UNMD:
|
|
ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)"
|
|
"\n\t Remote Interface ID: %s (0x%08x)",
|
|
ipaddr_string(ndo, obj_tptr+4),
|
|
EXTRACT_32BITS(obj_tptr+4),
|
|
ipaddr_string(ndo, obj_tptr+8),
|
|
EXTRACT_32BITS(obj_tptr+8)));
|
|
|
|
total_subobj_len = lmp_obj_len - 16;
|
|
offset = 12;
|
|
while (total_subobj_len > 0 && hexdump == FALSE ) {
|
|
subobj_type = EXTRACT_16BITS(obj_tptr+offset)>>8;
|
|
subobj_len = EXTRACT_16BITS(obj_tptr+offset)&0x00FF;
|
|
ND_PRINT((ndo, "\n\t Subobject, Type: %s (%u), Length: %u",
|
|
tok2str(lmp_data_link_subobj,
|
|
"Unknown",
|
|
subobj_type),
|
|
subobj_type,
|
|
subobj_len));
|
|
switch(subobj_type) {
|
|
case INT_SWITCHING_TYPE_SUBOBJ:
|
|
ND_PRINT((ndo, "\n\t Switching Type: %s (%u)",
|
|
tok2str(gmpls_switch_cap_values,
|
|
"Unknown",
|
|
EXTRACT_16BITS(obj_tptr+offset+2)>>8),
|
|
EXTRACT_16BITS(obj_tptr+offset+2)>>8));
|
|
ND_PRINT((ndo, "\n\t Encoding Type: %s (%u)",
|
|
tok2str(gmpls_encoding_values,
|
|
"Unknown",
|
|
EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF),
|
|
EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF));
|
|
bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
|
|
ND_PRINT((ndo, "\n\t Min Reservable Bandwidth: %.3f Mbps",
|
|
bw.f*8/1000000));
|
|
bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
|
|
ND_PRINT((ndo, "\n\t Max Reservable Bandwidth: %.3f Mbps",
|
|
bw.f*8/1000000));
|
|
break;
|
|
case WAVELENGTH_SUBOBJ:
|
|
ND_PRINT((ndo, "\n\t Wavelength: %u",
|
|
EXTRACT_32BITS(obj_tptr+offset+4)));
|
|
break;
|
|
default:
|
|
/* Any Unknown Subobject ==> Exit loop */
|
|
hexdump=TRUE;
|
|
break;
|
|
}
|
|
total_subobj_len-=subobj_len;
|
|
offset+=subobj_len;
|
|
}
|
|
|
|
break;
|
|
#ifdef INET6
|
|
case LMP_CTYPE_IPV6:
|
|
#endif
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_VERIFY_BEGIN:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_1:
|
|
ND_PRINT((ndo, "\n\t Flags: %s",
|
|
bittok2str(lmp_obj_begin_verify_flag_values,
|
|
"none",
|
|
EXTRACT_16BITS(obj_tptr))));
|
|
ND_PRINT((ndo, "\n\t Verify Interval: %u",
|
|
EXTRACT_16BITS(obj_tptr+2)));
|
|
ND_PRINT((ndo, "\n\t Data links: %u",
|
|
EXTRACT_32BITS(obj_tptr+4)));
|
|
ND_PRINT((ndo, "\n\t Encoding type: %s",
|
|
tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8))));
|
|
ND_PRINT((ndo, "\n\t Verify Transport Mechanism: %u (0x%x)%s",
|
|
EXTRACT_16BITS(obj_tptr+10),
|
|
EXTRACT_16BITS(obj_tptr+10),
|
|
EXTRACT_16BITS(obj_tptr+10)&8000 ? " (Payload test messages capable)" : ""));
|
|
bw.i = EXTRACT_32BITS(obj_tptr+12);
|
|
ND_PRINT((ndo, "\n\t Transmission Rate: %.3f Mbps",bw.f*8/1000000));
|
|
ND_PRINT((ndo, "\n\t Wavelength: %u",
|
|
EXTRACT_32BITS(obj_tptr+16)));
|
|
break;
|
|
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_VERIFY_BEGIN_ACK:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_1:
|
|
ND_PRINT((ndo, "\n\t Verify Dead Interval: %u"
|
|
"\n\t Verify Transport Response: %u",
|
|
EXTRACT_16BITS(obj_tptr),
|
|
EXTRACT_16BITS(obj_tptr+2)));
|
|
break;
|
|
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_VERIFY_ID:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_1:
|
|
ND_PRINT((ndo, "\n\t Verify ID: %u",
|
|
EXTRACT_32BITS(obj_tptr)));
|
|
break;
|
|
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_CHANNEL_STATUS:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_IPV4:
|
|
case LMP_CTYPE_UNMD:
|
|
offset = 0;
|
|
/* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
|
|
while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
|
|
ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
|
|
ipaddr_string(ndo, obj_tptr+offset),
|
|
EXTRACT_32BITS(obj_tptr+offset)));
|
|
|
|
ND_PRINT((ndo, "\n\t\t Active: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
|
|
"Allocated" : "Non-allocated",
|
|
(EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
|
|
|
|
ND_PRINT((ndo, "\n\t\t Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
|
|
"Transmit" : "Receive",
|
|
(EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
|
|
|
|
ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)",
|
|
tok2str(lmp_obj_channel_status_values,
|
|
"Unknown",
|
|
EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
|
|
EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF));
|
|
offset+=8;
|
|
}
|
|
break;
|
|
#ifdef INET6
|
|
case LMP_CTYPE_IPV6:
|
|
#endif
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_CHANNEL_STATUS_REQ:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_IPV4:
|
|
case LMP_CTYPE_UNMD:
|
|
offset = 0;
|
|
while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
|
|
ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
|
|
ipaddr_string(ndo, obj_tptr+offset),
|
|
EXTRACT_32BITS(obj_tptr+offset)));
|
|
offset+=4;
|
|
}
|
|
break;
|
|
#ifdef INET6
|
|
case LMP_CTYPE_IPV6:
|
|
#endif
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_ERROR_CODE:
|
|
switch(lmp_obj_ctype) {
|
|
case LMP_CTYPE_BEGIN_VERIFY_ERROR:
|
|
ND_PRINT((ndo, "\n\t Error Code: %s",
|
|
bittok2str(lmp_obj_begin_verify_error_values,
|
|
"none",
|
|
EXTRACT_32BITS(obj_tptr))));
|
|
break;
|
|
|
|
case LMP_CTYPE_LINK_SUMMARY_ERROR:
|
|
ND_PRINT((ndo, "\n\t Error Code: %s",
|
|
bittok2str(lmp_obj_link_summary_error_values,
|
|
"none",
|
|
EXTRACT_32BITS(obj_tptr))));
|
|
break;
|
|
default:
|
|
hexdump=TRUE;
|
|
}
|
|
break;
|
|
|
|
case LMP_OBJ_SERVICE_CONFIG:
|
|
switch (lmp_obj_ctype) {
|
|
case LMP_CTYPE_SERVICE_CONFIG_SP:
|
|
|
|
ND_PRINT((ndo, "\n\t Flags: %s",
|
|
bittok2str(lmp_obj_service_config_sp_flag_values,
|
|
"none",
|
|
EXTRACT_16BITS(obj_tptr)>>8)));
|
|
|
|
ND_PRINT((ndo, "\n\t UNI Version: %u",
|
|
EXTRACT_16BITS(obj_tptr) & 0x00FF));
|
|
|
|
break;
|
|
|
|
case LMP_CTYPE_SERVICE_CONFIG_CPSA:
|
|
|
|
link_type = EXTRACT_16BITS(obj_tptr)>>8;
|
|
|
|
ND_PRINT((ndo, "\n\t Link Type: %s (%u)",
|
|
tok2str(lmp_sd_service_config_cpsa_link_type_values,
|
|
"Unknown", link_type),
|
|
link_type));
|
|
|
|
if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH) {
|
|
ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
|
|
tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
|
|
"Unknown",
|
|
EXTRACT_16BITS(obj_tptr) & 0x00FF),
|
|
EXTRACT_16BITS(obj_tptr) & 0x00FF));
|
|
}
|
|
|
|
if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) {
|
|
ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
|
|
tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
|
|
"Unknown",
|
|
EXTRACT_16BITS(obj_tptr) & 0x00FF),
|
|
EXTRACT_16BITS(obj_tptr) & 0x00FF));
|
|
}
|
|
|
|
ND_PRINT((ndo, "\n\t Transparency: %s",
|
|
bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
|
|
"none",
|
|
EXTRACT_16BITS(obj_tptr+2)>>8)));
|
|
|
|
ND_PRINT((ndo, "\n\t Contiguous Concatenation Types: %s",
|
|
bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
|
|
"none",
|
|
EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF)));
|
|
|
|
ND_PRINT((ndo, "\n\t Minimum NCC: %u",
|
|
EXTRACT_16BITS(obj_tptr+4)));
|
|
|
|
ND_PRINT((ndo, "\n\t Maximum NCC: %u",
|
|
EXTRACT_16BITS(obj_tptr+6)));
|
|
|
|
ND_PRINT((ndo, "\n\t Minimum NVC:%u",
|
|
EXTRACT_16BITS(obj_tptr+8)));
|
|
|
|
ND_PRINT((ndo, "\n\t Maximum NVC:%u",
|
|
EXTRACT_16BITS(obj_tptr+10)));
|
|
|
|
ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)",
|
|
ipaddr_string(ndo, obj_tptr+12),
|
|
EXTRACT_32BITS(obj_tptr+12)));
|
|
|
|
break;
|
|
|
|
case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
|
|
|
|
ND_PRINT((ndo, "\n\t Transparency Flags: %s",
|
|
bittok2str(
|
|
lmp_obj_service_config_nsa_transparency_flag_values,
|
|
"none",
|
|
EXTRACT_32BITS(obj_tptr))));
|
|
|
|
ND_PRINT((ndo, "\n\t TCM Monitoring Flags: %s",
|
|
bittok2str(
|
|
lmp_obj_service_config_nsa_tcm_flag_values,
|
|
"none",
|
|
EXTRACT_16BITS(obj_tptr+6) & 0x00FF)));
|
|
|
|
break;
|
|
|
|
case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
|
|
|
|
ND_PRINT((ndo, "\n\t Diversity: Flags: %s",
|
|
bittok2str(
|
|
lmp_obj_service_config_nsa_network_diversity_flag_values,
|
|
"none",
|
|
EXTRACT_16BITS(obj_tptr+2) & 0x00FF)));
|
|
break;
|
|
|
|
default:
|
|
hexdump = TRUE;
|
|
};
|
|
|
|
break;
|
|
|
|
default:
|
|
if (ndo->ndo_vflag <= 1)
|
|
print_unknown_data(ndo,obj_tptr,"\n\t ",obj_tlen);
|
|
break;
|
|
}
|
|
/* do we want to see an additionally hexdump ? */
|
|
if (ndo->ndo_vflag > 1 || hexdump==TRUE)
|
|
print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t ",
|
|
lmp_obj_len-sizeof(struct lmp_object_header));
|
|
|
|
tptr+=lmp_obj_len;
|
|
tlen-=lmp_obj_len;
|
|
}
|
|
return;
|
|
trunc:
|
|
ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
|
|
}
|
|
/*
|
|
* Local Variables:
|
|
* c-style: whitesmith
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|