osmith
/
wireshark
forked from osmocom/wireshark
1
0
Fork 0
Code Pull Requests Releases Wiki Activity
wireshark/epan/dissectors/packet-cisco-sm.c

612 lines
24 KiB
C
Raw Blame History

/* packet-sm.c
* Routines for Cisco Session Management Protocol dissection
* Copyright 2004, Duncan Sargeant <dunc-ethereal@rcpt.to>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/*
* This is basically a glue dissector for the Cisco SM protocol. It sits
* between the RUDP and MTP3 layers between SLTs and MGCs.
*
* A link to an overview of the technology :
* http://www.cisco.com/en/US/products/sw/netmgtsw/ps4883/products_installation_and_configuration_guide_chapter09186a008010950a.html
* Link showing debugs of the protocol:
* http://www.cisco.com/univercd/cc/td/doc/product/access/sc/rel7/omts/omts_apb.htm#30052
* Scroll down to Backhaul Debug Event/Cause/Reason Codes:
* http://www.cisco.com/en/US/docs/ios-xml/ios/debug/command/s1/db-s2.html#GUID-83B6671D-B86F-4B41-819C-85D14F4AACAE
* Free/Opensource implementation:
* http://yate.null.ro/websvn/filedetails.php?repname=yate&path=%2Ftrunk%2Fmodules%2Fserver%2Fciscosm.cpp
*/
#include "config.h"
#include <epan/packet.h>
#define MESSAGE_TYPE_START 0
#define MESSAGE_TYPE_STOP 1
#define MESSAGE_TYPE_ACTIVE 2
#define MESSAGE_TYPE_STANDBY 3
#define MESSAGE_TYPE_Q_HOLD_INVOKE 4
#define MESSAGE_TYPE_Q_HOLD_RESPONSE 5
#define MESSAGE_TYPE_Q_RESUME_INVOKE 6
#define MESSAGE_TYPE_Q_RESUME_RESPONSE 7
#define MESSAGE_TYPE_Q_RESET_INVOKE 8
#define MESSAGE_TYPE_Q_RESET_RESPONSE 9
#define MESSAGE_TYPE_PDU 0x8000
void proto_register_sm(void);
void proto_reg_handoff_sm(void);
static const value_string sm_message_type_value[] = {
{ MESSAGE_TYPE_START, "Start Message" },
{ MESSAGE_TYPE_STOP, "Stop Message" },
{ MESSAGE_TYPE_ACTIVE, "Active Message" },
{ MESSAGE_TYPE_STANDBY, "Standby Message" },
{ MESSAGE_TYPE_Q_HOLD_INVOKE, "Q_HOLD Invoke Message" },
{ MESSAGE_TYPE_Q_HOLD_RESPONSE, "Q_HOLD Response Message" },
{ MESSAGE_TYPE_Q_RESUME_INVOKE, "Q_RESUME Invoke Message" },
{ MESSAGE_TYPE_Q_RESUME_RESPONSE, "Q_RESUME Response Message" },
{ MESSAGE_TYPE_Q_RESET_INVOKE, "Q_RESET Invoke Message" },
{ MESSAGE_TYPE_Q_RESET_RESPONSE, "Q_RESET Response Message" },
{ MESSAGE_TYPE_PDU, "PDU Message" },
{ 0, NULL }
};
static const value_string sm_message_type_value_info[] = {
{ MESSAGE_TYPE_START, "Start" },
{ MESSAGE_TYPE_STOP, "Stop" },
{ MESSAGE_TYPE_ACTIVE, "Active" },
{ MESSAGE_TYPE_STANDBY, "Standby" },
{ MESSAGE_TYPE_Q_HOLD_INVOKE, "Q_HOLD Invoke" },
{ MESSAGE_TYPE_Q_HOLD_RESPONSE, "Q_HOLD Response" },
{ MESSAGE_TYPE_Q_RESUME_INVOKE, "Q_RESUME Invoke" },
{ MESSAGE_TYPE_Q_RESUME_RESPONSE, "Q_RESUME Response" },
{ MESSAGE_TYPE_Q_RESET_INVOKE, "Q_RESET Invoke" },
{ MESSAGE_TYPE_Q_RESET_RESPONSE, "Q_RESET Response" },
{ MESSAGE_TYPE_PDU, "PDU" },
{ 0, NULL }
};
static const value_string sm_alignment_type[] = {
{ 0x00, "Unknown (probably linkset was already up)"},
{ 0x03, "Emergency alignment"},
{ 0x04, "Normal alignment"},
{ 0x05, "Power On MTP2"},
{ 0x06, "Start MTP2"},
{ 0, NULL}
};
static const value_string sm_backhaul_reason_code[] = {
{ 0x00, "Layer management request"},
{ 0x01, "SUERM (Signal Unit Error Monitor) failure"},
{ 0x02, "Excessively long alignment period"},
{ 0x03, "T7 timer expired"},
{ 0x04, "Physical interface failure"},
{ 0x05, "Two or three invalid BSNs"},
{ 0x06, "Two or three invalid FIBs"},
{ 0x07, "LSSU (Link Status Signal Unit) condition"},
{ 0x13, "SIOs (Service Information Octets) received "
"in Link State Control (LSC)"},
{ 0x14, "Timer T2 expired waiting for SIO"},
{ 0x15, "Timer T3 expired waiting for SIE/SIN "},
{ 0x16, "SIO received in initial alignment control (IAC)"},
{ 0x17, "Proving period failure"},
{ 0x18, "Timer T1 expired waiting for FISU (Fill-In Signal Unit)"},
{ 0x19, "SIN received in the in-service state"},
{ 0x20, "CTS lost"},
{ 0x25, "No resources"},
{ 0, NULL}
};
static const value_string sm_backhaul_event_code[] = {
{ 0x00, "Local processor outage"},
{ 0x01, "Local processor outage recovered"},
{ 0x02, "Entered a congested state"},
{ 0x03, "Exited a congested state"},
{ 0x04, "Physical layer up"},
{ 0x05, "Physical layer down"},
{ 0x06, "Protocol error"},
{ 0x07, "Link is aligned"},
{ 0x08, "Link alignment lost"},
{ 0x09, "Retransmit buffer full"},
{ 0x0a, "Retransmit buffer no longer full"},
{ 0x0b, "Negative acknowledgment"},
{ 0x0c, "Remote entered congestion"},
{ 0x0d, "Remote exited congestion"},
{ 0x0e, "Remote entered processor outage"},
{ 0x0f, "Remote exited processor outage"},
{ 0, NULL}
};
static const value_string sm_backhaul_cause_code[] = {
{ 0x00, "Unknown (default)"},
{ 0x01, "Management initiated"},
{ 0x02, "Abnormal BSN (backward sequence number)"},
{ 0x03, "Abnormal FIB (Forward Indicator Bit)"},
{ 0x04, "Congestion discard"},
{ 0, NULL}
};
static const value_string sm_linkdown_cause_code[] = {
{ 0x00, "Unknown (default)"},
{ 0x01, "Management initiated"},
{ 0x03, "Congestion ended"},
{ 0, NULL}
};
static const value_string sm_retrieval_type[] = {
{ 0x01, "Request for BSN"},
{ 0x02, "Request for MSUs"},
{ 0x03, "Request to drop MSUs"},
{ 0, NULL}
};
static const value_string sm_lsc_state_type[] = {
{ 0x00, "Set LPO"},
{ 0x01, "Clear LPO"},
{ 0x02, "Set Emergency"},
{ 0x03, "Clear Emergency"},
{ 0x04, "Clear Buffers"},
{ 0x05, "Clear Transmit Buffer"},
{ 0x06, "Clear ReTransmission Buffer"},
{ 0x07, "Clear Receive Buffer"},
{ 0x08, "Continue"},
{ 0x09, "Power On"},
{ 0x0a, "Start"},
{ 0x0b, "Stop"},
{ 0, NULL}
};
static const value_string sm_stat_request_type[] = {
{ 0x00, "Reset"},
{ 0x01, "Send & Reset"},
{ 0x02, "Send"},
{ 0, NULL}
};
#define PDU_CONNECT_REQUEST 0x06
#define PDU_CONNECT_CONFIRM 0x07
#define PDU_DISCONNECT_CONFIRM 0x0b
#define PDU_DISCONNECT_INDICATION 0x0c
#define PDU_MTP3_TO_SLT 0x10
#define PDU_MTP3_FROM_SLT 0x11
#define PDU_RETRIEVAL_REQUEST 0x12
#define PDU_RETRIEVAL_CONFIRM 0x13
#define PDU_LSC_REQUEST 0x20
#define PDU_LSC_CONFIRM 0x21
#define PDU_LSC_INDICATION 0x22
#define PDU_STAT_REQUEST 0x44
static const value_string sm_pdu_type_value[] = {
{ PDU_CONNECT_REQUEST, "Connect Request"},
{ PDU_CONNECT_CONFIRM, "Connect Confirm"},
{ 0x0a, "Disconnect Request"},
{ PDU_DISCONNECT_CONFIRM, "Disconnect Confirm"},
{ PDU_DISCONNECT_INDICATION, "Disconnect Indication Message"},
{ PDU_MTP3_TO_SLT, "MSU Request (message to MTP2 link)"},
{ PDU_MTP3_FROM_SLT, "MSU Indication (message from MTP2 link)"},
{ PDU_RETRIEVAL_REQUEST, "Retrieval Request"},
{ PDU_RETRIEVAL_CONFIRM, "Retrieval Confirm"},
{ 0x14, "Retrieval Indication"},
{ 0x15, "Retrieval Message"},
{ PDU_LSC_REQUEST, "Link State Controller Request"},
{ PDU_LSC_CONFIRM, "Link State Controller Confirm"},
{ PDU_LSC_INDICATION, "Link State Controller Indication"},
{ 0x40, "Configuration Request"},
{ 0x41, "Configuration Confirm"},
{ 0x42, "Status Request"},
{ 0x43, "Status Confirm"},
{ PDU_STAT_REQUEST, "Statistic Request"},
{ 0x45, "Statistic Confirm"},
{ 0x46, "Control Request"},
{ 0x47, "Control Confirm"},
{ 0x50, "Flow Control Request"},
{ 0x51, "Flow Control Indication"},
{ 0, NULL }
};
/* TODO: Change to useful name once known */
#define SM_PROTOCOL_X004 0x0004 /* https://gitlab.com/wireshark/wireshark/-/issues/7188 */
/* RUDP/SM stack called BSM V1 (version 1 versus Version 0 used for SS7). */
#define SM_PROTOCOL_X100 0x0100
#define SM_PROTOCOL_X101 0x0101
#define SM_PROTOCOL_X114 0x0114
#define SM_PROTOCOL_X122 0x0122
/* Initialize the protocol and registered fields */
static int proto_sm = -1;
static int hf_sm_sm_msg_type = -1;
static int hf_sm_protocol = -1;
static int hf_sm_msg_id = -1;
static int hf_sm_msg_type = -1;
static int hf_sm_channel = -1;
static int hf_sm_bearer = -1;
static int hf_sm_len = -1;
static int hf_sm_ip_addr = -1;
static int hf_sm_context = -1;
static int hf_sm_eisup_msg_id = -1;
static int hf_sm_tag = -1;
static int hf_sm_alignment_type = -1;
static int hf_sm_backhaul_reason_code = -1;
static int hf_sm_backhaul_event_code = -1;
static int hf_sm_backhaul_cause_code = -1;
static int hf_sm_linkdown_cause_code = -1;
static int hf_sm_retrieval_type = -1;
static int hf_sm_lsc_state_type = -1;
static int hf_sm_stat_request_type = -1;
static int hf_sm_bsn_num = -1;
/* Initialize the subtree pointers */
static gint ett_sm = -1;
static dissector_handle_t sdp_handle;
static dissector_handle_t mtp3_handle;
static dissector_handle_t q931_handle;
/* Code to actually dissect the packets */
static int
dissect_sm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_item *ti;
proto_tree *sm_tree;
tvbuff_t *next_tvb = NULL;
guint32 sm_message_type;
guint32 bh_event_code = 0;
guint16 protocol;
guint16 msg_type = 0;
guint16 length;
guint16 tag;
int offset = 0;
sm_message_type = tvb_get_ntohl(tvb,offset);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SM");
col_add_fstr(pinfo->cinfo, COL_INFO, "Cisco SM Packet (%s)",
val_to_str_const(sm_message_type, sm_message_type_value_info,"reserved"));
ti = proto_tree_add_item(tree, proto_sm, tvb, offset, -1, ENC_NA);
sm_tree = proto_item_add_subtree(ti, ett_sm);
proto_tree_add_uint_format_value(sm_tree, hf_sm_sm_msg_type, tvb, offset, 4, sm_message_type,
"%s (0x%0x)", val_to_str_const(sm_message_type, sm_message_type_value, "reserved"), sm_message_type);
offset = offset + 4;
if (sm_message_type == MESSAGE_TYPE_PDU) {
proto_tree_add_item(sm_tree, hf_sm_protocol, tvb, offset, 2, ENC_BIG_ENDIAN);
protocol = tvb_get_ntohs(tvb,offset);
offset = offset + 2;
switch(protocol){
/* start case RUDP BSM v.1 ---------------------------------------------------------- */
case SM_PROTOCOL_X004:
proto_tree_add_item(sm_tree, hf_sm_msg_id, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset +2;
msg_type = tvb_get_ntohs(tvb,offset);
proto_tree_add_uint_format_value(sm_tree, hf_sm_msg_type, tvb, offset, 2, msg_type,
"%s (0x%0x)", val_to_str_const(msg_type, sm_pdu_type_value, "reserved"),
msg_type);
msg_type = tvb_get_ntohs(tvb,offset);
offset = offset + 2;
proto_tree_add_item(sm_tree, hf_sm_channel, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset + 2;
proto_tree_add_item(sm_tree, hf_sm_bearer, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset +2;
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
length = tvb_get_ntohs(tvb,offset);
offset = offset +2;
proto_item_set_len(ti, 16);
if (length > 0) {
next_tvb = tvb_new_subset_length(tvb, offset, length);
if ((msg_type == PDU_MTP3_TO_SLT || msg_type == PDU_MTP3_FROM_SLT)) {
call_dissector(q931_handle, next_tvb, pinfo, tree);
} else {
call_data_dissector(next_tvb, pinfo, tree);
}
}
break;
/* end case RUDP BSM v.1 ---------------------------------------------------------- */
case SM_PROTOCOL_X100:
case SM_PROTOCOL_X122:
/* Protocol 0x100/0x122 only contains a length and then an EISUP packet */
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
length = tvb_get_ntohs(tvb,offset);
offset = offset + 2;
proto_item_set_len(ti, 8);
/* This should be the EISUP dissector but we haven't got one
* right now - so decode it as data for now ... */
next_tvb = tvb_new_subset_length(tvb, offset, length);
call_data_dissector(next_tvb, pinfo, sm_tree);
break;
case SM_PROTOCOL_X101:
/* XXX Reverse enginered so this may not be correct!!!
* EISUP - used between Cisco HSI and Cisco PGW devices,
* uses RUDP with default port number 8003.
* Protocol stack is RUDP->Cisco SM->SDP.
* This implementation is PROPRIETARY
*/
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
length = tvb_get_ntohs(tvb,offset);
offset = offset + 2;
proto_item_set_len(ti, length + offset);
/* The next stuff seems to be IP addr */
proto_tree_add_item(sm_tree, hf_sm_ip_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset = offset + 4;
/* This part looks to be the same per session */
proto_tree_add_item(sm_tree, hf_sm_context, tvb, offset, 4, ENC_BIG_ENDIAN);
offset = offset +4;
/* Some sort of message type? */
proto_tree_add_item(sm_tree, hf_sm_eisup_msg_id, tvb, offset, 1, ENC_BIG_ENDIAN);
offset = offset + 1;
/* XXX Problem are tags 1 or two bytes???*/
proto_tree_add_item(sm_tree, hf_sm_tag, tvb, offset, 2, ENC_BIG_ENDIAN);
tag = tvb_get_ntohs(tvb,offset);
offset = offset +2;
if (tag== 0x01ac) {
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
length = tvb_get_ntohs(tvb,offset);
offset = offset +2;
next_tvb = tvb_new_subset_length(tvb, offset, length);
call_dissector(sdp_handle, next_tvb, pinfo, sm_tree);
/*offset = offset+length;*/
}
/*return;*/
break;
case SM_PROTOCOL_X114:
/* XXX Reverse enginered so this may not be correct!!! */
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
length = tvb_get_ntohs(tvb,offset);
offset = offset + 2;
proto_item_set_len(ti, length + offset);
/* The next stuff seems to be IP addr */
proto_tree_add_item(sm_tree, hf_sm_ip_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset = offset + 4;
proto_tree_add_item(sm_tree, hf_sm_context, tvb, offset, 4, ENC_BIG_ENDIAN);
offset = offset +4;
/* Some sort of message type? */
proto_tree_add_item(sm_tree, hf_sm_eisup_msg_id, tvb, offset, 1, ENC_BIG_ENDIAN);
offset = offset + 1;
/* XXX Problem are tags 1 or two bytes???*/
proto_tree_add_item(sm_tree, hf_sm_tag, tvb, offset, 2, ENC_BIG_ENDIAN);
tag = tvb_get_ntohs(tvb,offset);
offset = offset +2;
if (tag== 0x01ac) {
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
length = tvb_get_ntohs(tvb,offset);
offset = offset +2;
next_tvb = tvb_new_subset_length(tvb, offset, length);
call_dissector(sdp_handle, next_tvb, pinfo, sm_tree);
/*offset = offset+length;*/
}
break;
default:
proto_tree_add_item(sm_tree, hf_sm_msg_id, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset +2;
msg_type = tvb_get_ntohs(tvb,offset);
proto_tree_add_uint_format_value(sm_tree, hf_sm_msg_type, tvb, offset, 2, msg_type,
"%s (0x%0x)", val_to_str_const(msg_type, sm_pdu_type_value, "reserved"),
msg_type);
msg_type = tvb_get_ntohs(tvb,offset);
offset = offset + 2;
proto_tree_add_item(sm_tree, hf_sm_channel, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset + 2;
proto_tree_add_item(sm_tree, hf_sm_bearer, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset +2;
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
length = tvb_get_ntohs(tvb,offset);
offset = offset +2;
proto_item_set_len(ti, 16);
if (length > 0) {
next_tvb = tvb_new_subset_length(tvb, offset, length);
switch (msg_type) {
case PDU_MTP3_TO_SLT:
case PDU_MTP3_FROM_SLT:
call_dissector(mtp3_handle, next_tvb, pinfo, tree);
break;
case PDU_CONNECT_REQUEST:
case PDU_CONNECT_CONFIRM:
proto_tree_add_item(sm_tree, hf_sm_alignment_type, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case PDU_DISCONNECT_CONFIRM:
case PDU_DISCONNECT_INDICATION:
proto_tree_add_item(sm_tree, hf_sm_backhaul_reason_code, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case PDU_RETRIEVAL_REQUEST:
case PDU_RETRIEVAL_CONFIRM:
proto_tree_add_item(sm_tree, hf_sm_retrieval_type, tvb, offset, 4, ENC_BIG_ENDIAN);
if (msg_type == PDU_RETRIEVAL_CONFIRM && tvb_get_ntohl(tvb,offset) == 0x01) {
offset += 4;
proto_tree_add_item(sm_tree, hf_sm_bsn_num, tvb, offset, 4, ENC_BIG_ENDIAN);
}
break;
case PDU_LSC_REQUEST:
case PDU_LSC_CONFIRM:
proto_tree_add_item(sm_tree, hf_sm_lsc_state_type, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case PDU_LSC_INDICATION:
proto_tree_add_item(sm_tree, hf_sm_backhaul_event_code, tvb, offset, 4, ENC_BIG_ENDIAN);
bh_event_code = tvb_get_ntohl(tvb,offset);
if (bh_event_code == 0x02 || bh_event_code == 0x04) {
offset += 4;
proto_tree_add_item(sm_tree, hf_sm_linkdown_cause_code, tvb, offset, 4, ENC_BIG_ENDIAN);
} else if (bh_event_code == 0x06) {
offset += 4;
proto_tree_add_item(sm_tree, hf_sm_backhaul_cause_code, tvb, offset, 4, ENC_BIG_ENDIAN);
}
break;
case PDU_STAT_REQUEST:
proto_tree_add_item(sm_tree, hf_sm_stat_request_type, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
default:
call_data_dissector(next_tvb, pinfo, tree);
}
}
}
}
return tvb_captured_length(tvb);
}
void
proto_register_sm(void)
{
static hf_register_info hf[] = {
{ &hf_sm_sm_msg_type,
{ "SM Message Type", "sm.sm_msg_type",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_sm_protocol,
{ "Protocol Type", "sm.protocol",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_sm_msg_id,
{ "Message ID", "sm.msgid",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_sm_msg_type,
{ "Message Type", "sm.msg_type",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_sm_channel,
{ "Channel ID", "sm.channel",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_sm_bearer,
{ "Bearer ID", "sm.bearer",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_sm_len,
{ "Length", "sm.len",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_sm_ip_addr,
{ "IPv4 address","sm.ip_addr",
FT_IPv4,BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_sm_context,
{ "Context","sm.context",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Context(guesswork!)", HFILL }
},
{ &hf_sm_eisup_msg_id,
{ "Message id","sm.eisup_message_id",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Message id(guesswork!)", HFILL }
},
{ &hf_sm_tag,
{ "Tag","sm.tag",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Tag(guesswork!)", HFILL }
},
{ &hf_sm_alignment_type,
{ "Alignment type","sm.connect_type",
FT_UINT32, BASE_HEX, VALS(sm_alignment_type), 0x0,
NULL, HFILL }
},
{ &hf_sm_backhaul_reason_code,
{ "Backhaul reason code","sm.backhaul_reason",
FT_UINT32, BASE_HEX, VALS(sm_backhaul_reason_code), 0x0,
NULL, HFILL }
},
{ &hf_sm_backhaul_event_code,
{ "Backhaul event code","sm.backhaul_event",
FT_UINT32, BASE_HEX, VALS(sm_backhaul_event_code), 0x0,
NULL, HFILL }
},
{ &hf_sm_backhaul_cause_code,
{ "Backhaul cause code","sm.backhaul_cause",
FT_UINT32, BASE_HEX, VALS(sm_backhaul_cause_code), 0x0,
NULL, HFILL }
},
{ &hf_sm_linkdown_cause_code,
{ "Link down cause","sm.linkdown_reason",
FT_UINT32, BASE_HEX, VALS(sm_linkdown_cause_code), 0x0,
NULL, HFILL }
},
{ &hf_sm_retrieval_type,
{ "Retrieval type","sm.retrieval_type",
FT_UINT32, BASE_HEX, VALS(sm_retrieval_type), 0x0,
NULL, HFILL }
},
{ &hf_sm_lsc_state_type,
{ "LSC Request type","sm.lsc_state_type",
FT_UINT32, BASE_HEX, VALS(sm_lsc_state_type), 0x0,
NULL, HFILL }
},
{ &hf_sm_stat_request_type,
{ "Statistic request type","sm.stat_request_type",
FT_UINT32, BASE_HEX, VALS(sm_stat_request_type), 0x0,
NULL, HFILL }
},
{ &hf_sm_bsn_num,
{ "BSN","sm.bsn_num",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_sm,
};
/* Register the protocol name and description */
proto_sm = proto_register_protocol("Cisco Session Management",
"SM", "sm");
register_dissector("sm", dissect_sm, proto_sm);
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_sm, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_sm(void)
{
sdp_handle = find_dissector_add_dependency("sdp", proto_sm);
mtp3_handle = find_dissector_add_dependency("mtp3", proto_sm);
q931_handle = find_dissector_add_dependency("q931", proto_sm);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
View Git Blame Copy Permalink