![Bill Meier](/assets/img/avatar_default.png)
Change-Id: Id57d264299f2026d703c5b08bace4b24b32f184c Reviewed-on: https://code.wireshark.org/review/4371 Reviewed-by: Bill Meier <wmeier@newsguy.com>
817 lines
30 KiB
C
817 lines
30 KiB
C
/* packet-v150fw.c
|
|
*
|
|
* v150fw = v.150.1 SSE messages, contained in RTP packets
|
|
*
|
|
* Written by Jamison Adcock <jamison.adcock@cobham.com>
|
|
* for Sparta Inc., dba Cobham Analytic Solutions
|
|
* This code is largely based on the RTP parsing code
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
|
|
#include "config.h"
|
|
|
|
#include <glib.h>
|
|
|
|
#include <epan/packet.h>
|
|
|
|
void proto_register_v150fw(void);
|
|
|
|
/* Initialize the protocol & registered fields
|
|
* Look familiar? This is in the same format as an NTE (named telephone event) from RFC 2833:
|
|
*/
|
|
static int proto_v150fw = -1;
|
|
|
|
static int hf_v150fw_event_id = -1; /* 6 bits */
|
|
static int hf_v150fw_force_response_bit = -1;
|
|
static int hf_v150fw_extension_bit = -1;
|
|
|
|
static int hf_v150fw_reason_id_code = -1; /* value & string */
|
|
|
|
static int hf_v150fw_reason_id_code_info = -1; /* 16 bits */
|
|
|
|
static int hf_v150fw_ric_info_mod_avail = -1; /* ric = 1,2 */
|
|
static int hf_v150fw_cm_jm_mod_avail_pcm_mode = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v34_duplex = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v34_half_duplex = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v32_v32bis = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v22_v22bis = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v17 = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v29_half_duplex = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v27ter = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v26ter = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v26bis = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v23_duplex = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v23_half_duplex = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v21 = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v90_or_v92_analog = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v90_or_v92_digital = -1;
|
|
static int hf_v150fw_cm_jm_mod_avail_v91 = -1;
|
|
|
|
static int hf_v150fw_ric_info_timeout = -1; /* ric= 18 */
|
|
static int hf_v150fw_ric_info_timeout_vendor = -1;
|
|
|
|
static int hf_v150fw_ric_info_cleardown = -1; /* ric = 20 */
|
|
static int hf_v150fw_ric_info_cleardown_reserved = -1;
|
|
static int hf_v150fw_ric_info_cleardown_vendor_tag = -1; /* extension fields */
|
|
static int hf_v150fw_ric_info_cleardown_vendor_info = -1;
|
|
|
|
static int hf_v150fw_reserved = -1; /* 5 bits */
|
|
static int hf_v150fw_extension_len = -1; /* 11 bits */
|
|
static int hf_v150fw_remainder = -1;
|
|
|
|
/* initialize the subtree pointers */
|
|
static gint ett_v150fw = -1;
|
|
static gint ett_available_modulations = -1;
|
|
|
|
/* for some "range_string"s, there's only one value in the range */
|
|
#define V150FW_VALUE_RANGE(a) a,a
|
|
|
|
|
|
/* V.150.1 State Signalling Events (SSE): */
|
|
#define V150FW_EVENT_RESERVED1 0
|
|
#define V150FW_EVENT_INITIAL_AUDIO 1
|
|
#define V150FW_EVENT_VOICEBAND_DATA 2
|
|
#define V150FW_EVENT_MODEM_RELAY 3
|
|
#define V150FW_EVENT_FAX_RELAY 4
|
|
#define V150FW_EVENT_TEXT_RELAY 5
|
|
#define V150FW_EVENT_TEXT_PROBE 6 /* new in ITU-T Rec. V.150.1 (2003)/Amd.2 (05/2006) */
|
|
/* 7 - 31 reserved for future use */
|
|
#define V150FW_EVENT_RESERVED2_START 7
|
|
#define V150FW_EVENT_RESERVED2_END 31
|
|
/* 32 - 63 vendor-defined */
|
|
#define V150FW_EVENT_VENDOR_START 32
|
|
#define V150FW_EVENT_VENDOR_END 63
|
|
|
|
|
|
/* V.150.1 SSE reason ID codes: */
|
|
#define V150FW_RIC_NULL 0
|
|
#define V150FW_RIC_CM 1
|
|
#define V150FW_RIC_JM 2
|
|
#define V150FW_RIC_AA 3
|
|
#define V150FW_RIC_AC 4
|
|
#define V150FW_RIC_USB1 5
|
|
#define V150FW_RIC_SB1 6
|
|
#define V150FW_RIC_S1 7
|
|
#define V150FW_RIC_V21_CH2 8
|
|
#define V150FW_RIC_V21_CH1 9
|
|
#define V150FW_RIC_V23_HIGH_CHANNEL 10
|
|
#define V150FW_RIC_V23_LOW_CHANNEL 11
|
|
#define V150FW_RIC_TONE_2225_HZ 12
|
|
#define V150FW_RIC_V21_CH2_HDLC_FLAGS 13
|
|
#define V150FW_RIC_INDETERMINATE_SIGNAL 14
|
|
#define V150FW_RIC_SILENCE 15
|
|
#define V150FW_RIC_CNG 16
|
|
#define V150FW_RIC_VOICE 17
|
|
#define V150FW_RIC_TIMEOUT 18
|
|
#define V150FW_RIC_P_STATE_TRANS 19
|
|
#define V150FW_RIC_CLEARDOWN 20
|
|
#define V150FW_RIC_ANS_CED_2100_HZ 21
|
|
#define V150FW_RIC_ANSAM 22
|
|
#define V150FW_RIC_SLASH_ANS 23
|
|
#define V150FW_RIC_SLASH_ANSAM 24
|
|
#define V150FW_RIC_QC1A 25
|
|
#define V150FW_RIC_QC1D 26
|
|
#define V150FW_RIC_QC2A 27
|
|
#define V150FW_RIC_QC2D 28
|
|
#define V150FW_RIC_CRE 29
|
|
#define V150FW_RIC_CRD 30
|
|
/* new from ITU-T V.150.1 Amendment 1: */
|
|
#define V150FW_RIC_TIA_825A_45 31
|
|
#define V150FW_RIC_TIA_825A_50 32
|
|
#define V150FW_RIC_EDT 33
|
|
#define V150FW_RIC_BELL_103_MODEM 34
|
|
#define V150FW_RIC_V21_TEXT_PHONE_T50 35
|
|
#define V150FW_RIC_V23_TEXT_MINITEL 36
|
|
#define V150FW_RIC_V18_TEXT_PHONE_T140 37
|
|
#define V150FW_RIC_DTMF_BASED_TEXT_RELAY 38
|
|
#define V150FW_RIC_CTM 39
|
|
/* 40 - 127 reserved */
|
|
#define V150FW_RIC_RESERVED_START 40
|
|
#define V150FW_RIC_RESERVED_END 127
|
|
/* 128 - 255 for vendor use */
|
|
#define V150FW_RIC_VENDOR_START 128
|
|
#define V150FW_RIC_VENDOR_END 255
|
|
|
|
|
|
/* Timeout (V150FW_RIC_TIMEOUT) reason info: */
|
|
#define V150FW_RIC_INFO_TIMEOUT_NULL 0
|
|
#define V150FW_RIC_INFO_TIMEOUT_CALL_DISCRIMINATION_TIMEOUT 1
|
|
#define V150FW_RIC_INFO_TIMEOUT_IP_TLP_TIMEOUT 2
|
|
#define V150FW_RIC_INFO_TIMEOUT_SSE_EXPLICIT_ACK_TIMEOUT 3
|
|
|
|
|
|
/* Cleardown (V150FW_RIC_CLEARDOWN) reason info: */
|
|
#define V150FW_RIC_INFO_CLEARDOWN_UNKNOWN 0
|
|
#define V150FW_RIC_INFO_CLEARDOWN_PHYSICAL_LAYER_RELEASE 1
|
|
#define V150FW_RIC_INFO_CLEARDOWN_LINK_LAYER_DISCONNECT 2
|
|
#define V150FW_RIC_INFO_CLEARDOWN_DATA_COMPRESSION_DISCONNECT 3
|
|
#define V150FW_RIC_INFO_CLEARDOWN_ABORT 4
|
|
#define V150FW_RIC_INFO_CLEARDOWN_ON_HOOK 5
|
|
#define V150FW_RIC_INFO_CLEARDOWN_NETWORK_LAYER_TERMINATION 6
|
|
#define V150FW_RIC_INFO_CLEARDOWN_ADMINISTRATIVE 7
|
|
|
|
/* value strings & range strings */
|
|
static const range_string v150fw_event_id_name[] = {
|
|
{ V150FW_VALUE_RANGE(V150FW_EVENT_RESERVED1), "Event ID reserved" },
|
|
{ V150FW_VALUE_RANGE(V150FW_EVENT_INITIAL_AUDIO), "Initial audio" },
|
|
{ V150FW_VALUE_RANGE(V150FW_EVENT_VOICEBAND_DATA), "Voice band data" },
|
|
{ V150FW_VALUE_RANGE(V150FW_EVENT_MODEM_RELAY), "Modem relay" },
|
|
{ V150FW_VALUE_RANGE(V150FW_EVENT_FAX_RELAY), "Fax relay" },
|
|
{ V150FW_VALUE_RANGE(V150FW_EVENT_TEXT_RELAY), "Text relay" },
|
|
{ V150FW_VALUE_RANGE(V150FW_EVENT_TEXT_PROBE), "Text probe" },
|
|
{ V150FW_EVENT_RESERVED2_START, V150FW_EVENT_RESERVED2_END, "Reserved for ITU_T" },
|
|
{ V150FW_EVENT_VENDOR_START, V150FW_EVENT_VENDOR_END, "Vendor-defined event" },
|
|
{ 0, 0, NULL }
|
|
};
|
|
|
|
static const range_string v150fw_ric_name[] = {
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_NULL), "None" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_CM), "CM" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_JM), "JM" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_AA), "AA" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_AC), "AC" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_USB1), "USB1" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_SB1), "SB1" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_S1), "S1" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_V21_CH2), "V.21 Ch2" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_V21_CH1), "V.21 Ch1" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_V23_HIGH_CHANNEL), "V.23 High Channel" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_V23_LOW_CHANNEL), "V.23 Low Channel" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_TONE_2225_HZ), "Tone (2225 Hz)" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_V21_CH2_HDLC_FLAGS), "V.21 Ch2 HDLC Flags" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_INDETERMINATE_SIGNAL), "Indeterminate signal" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_SILENCE), "Silence" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_CNG), "CNG" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_VOICE), "Voice" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_TIMEOUT), "Timeout" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_P_STATE_TRANS), "p' State Transition" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_CLEARDOWN), "Cleardown" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_ANS_CED_2100_HZ), "ANS/CED (2100Hz)" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_ANSAM), "ANSam" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_SLASH_ANS), "/ANS" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_SLASH_ANSAM), "/ANSam" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_QC1A), "QC1a" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_QC1D), "QC1d" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_QC2A), "QC2a" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_QC2D), "QC2d" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_CRE), "Cre" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_CRD), "CRd" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_TIA_825A_45), "TIA-825A (45.45 bit/s)" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_TIA_825A_50), "TIA-825A (50 bit/s)" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_EDT), "EDT (European Deaf Telephone)" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_BELL_103_MODEM), "Bell 103 Modem" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_V21_TEXT_PHONE_T50), "V.21 text telephone, T-50 encoding" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_V23_TEXT_MINITEL), "V.23 text (Minitel)" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_V18_TEXT_PHONE_T140), "V.18 text telephone, T-140 encoding" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_DTMF_BASED_TEXT_RELAY), "DTMF based Text Relay (Annex B/V.18)" },
|
|
{ V150FW_VALUE_RANGE(V150FW_RIC_CTM), "CTM" },
|
|
{ V150FW_RIC_RESERVED_START, V150FW_RIC_RESERVED_END, "Reserved for use by ITU-T" },
|
|
{ V150FW_RIC_VENDOR_START, V150FW_RIC_VENDOR_END, "For use by vendor" },
|
|
{ 0, 0, NULL }
|
|
};
|
|
|
|
static const value_string v150fw_ric_info_timeout_type[] = {
|
|
{ V150FW_RIC_INFO_TIMEOUT_NULL, "Null" },
|
|
{ V150FW_RIC_INFO_TIMEOUT_CALL_DISCRIMINATION_TIMEOUT, "Call discrimination timeout" },
|
|
{ V150FW_RIC_INFO_TIMEOUT_IP_TLP_TIMEOUT, "IP TLP timeout" },
|
|
{ V150FW_RIC_INFO_TIMEOUT_SSE_EXPLICIT_ACK_TIMEOUT, "Explicit acknowledgement timeout" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string v150fw_ric_info_cleardown_type[] = {
|
|
{ V150FW_RIC_INFO_CLEARDOWN_UNKNOWN, "Unknown/unspecified" },
|
|
{ V150FW_RIC_INFO_CLEARDOWN_PHYSICAL_LAYER_RELEASE, "Physical layer release" },
|
|
{ V150FW_RIC_INFO_CLEARDOWN_LINK_LAYER_DISCONNECT, "Link layer disconnect" },
|
|
{ V150FW_RIC_INFO_CLEARDOWN_DATA_COMPRESSION_DISCONNECT, "Data compression disconnect" },
|
|
{ V150FW_RIC_INFO_CLEARDOWN_ABORT, "Abort" },
|
|
{ V150FW_RIC_INFO_CLEARDOWN_ON_HOOK, "On hook" },
|
|
{ V150FW_RIC_INFO_CLEARDOWN_NETWORK_LAYER_TERMINATION, "Network layer termination" },
|
|
{ V150FW_RIC_INFO_CLEARDOWN_ADMINISTRATIVE, "Administrative" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
#if 0 /* XXX: The following doesn't actually dissect anything. Is dissect_v150fw() supposed to be called ? */
|
|
static gboolean
|
|
dissect_v150fw_heur(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_)
|
|
{
|
|
guint8 octet1;
|
|
guint8 extb, ric;
|
|
guint16 ric_info;
|
|
gint payload_length = tvb_length(tvb);
|
|
unsigned int offset = 0;
|
|
|
|
/* see appendix C (State Signalling Events) in ITU-T Rec. V.150.1 for details */
|
|
|
|
/* Get the fields */
|
|
octet1 = tvb_get_guint8(tvb, offset);
|
|
extb = octet1 & 0x01;
|
|
ric = tvb_get_guint8(tvb, offset + 1) & 0xFF;
|
|
|
|
ric_info = tvb_get_ntohs(tvb, offset + 2);
|
|
|
|
/* minimum lengths */
|
|
if(!extb && payload_length <= 4) /* extb is not set, so minimum length is 4 bytes */
|
|
return FALSE;
|
|
if(extb && payload_length <= 6) /* ext bit is set, but no extension found? */
|
|
return FALSE;
|
|
|
|
if(ric == 0 || (ric >= 6 && ric <= 31)) /* values reserved for future use */
|
|
return FALSE;
|
|
|
|
switch(ric)
|
|
{
|
|
case 0:
|
|
if(ric_info != 0) /* ric_info must be NULL if ric is NULL */
|
|
return FALSE;
|
|
case V150FW_RIC_CM:
|
|
case V150FW_RIC_JM:
|
|
if(!extb && payload_length > 4) /* payload too long */
|
|
return FALSE;
|
|
break;
|
|
case V150FW_RIC_TIMEOUT:
|
|
case V150FW_RIC_CLEARDOWN:
|
|
break;
|
|
default:
|
|
if(ric < 31 && ric_info != 0) /* ric_info is zero unless ric is CM, JM, TIMEOUT ro CLEARDOWN */
|
|
return FALSE;
|
|
if(ric >= 31 && ric <= 127) /* 31 - 127 are reserved for future use */
|
|
return FALSE;
|
|
/* 128 - 255 are vendor-specific */
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
dissect_v150fw(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
proto_item *ti;
|
|
proto_tree *v150fw_tree, *field_tree;
|
|
guint8 extb, ric;
|
|
guint16 ext_len = 0;
|
|
gint payload_length;
|
|
unsigned int offset = 0;
|
|
|
|
if(tree)
|
|
{
|
|
/* create the trees */
|
|
ti = proto_tree_add_item(tree, proto_v150fw, tvb, 0, -1, ENC_NA);
|
|
v150fw_tree = proto_item_add_subtree(ti, ett_v150fw);
|
|
|
|
payload_length = tvb_length(tvb);
|
|
|
|
/* Get fields needed for further dissection */
|
|
extb = tvb_get_guint8(tvb, offset) & 0x01; /* extension bit */
|
|
ric = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
if(extb && payload_length >= 6) /* get optional extension fields */
|
|
ext_len = tvb_get_ntohs(tvb, offset + 4) & 0x07FF;
|
|
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_event_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_force_response_bit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_extension_bit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_reason_id_code, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* reason identifier code information */
|
|
switch(ric)
|
|
{
|
|
case V150FW_RIC_CM:
|
|
case V150FW_RIC_JM:
|
|
ti = proto_tree_add_item(v150fw_tree, hf_v150fw_ric_info_mod_avail, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
field_tree = proto_item_add_subtree(ti, ett_available_modulations);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_pcm_mode, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v34_duplex, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v34_half_duplex, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v32_v32bis, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v22_v22bis, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v17, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v29_half_duplex, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v27ter, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v26ter, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v26bis, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v23_duplex, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v23_half_duplex, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v21, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v90_or_v92_analog, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v90_or_v92_digital, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_v150fw_cm_jm_mod_avail_v91, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case V150FW_RIC_TIMEOUT:
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_ric_info_timeout, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_ric_info_timeout_vendor, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case V150FW_RIC_CLEARDOWN:
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_ric_info_cleardown, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_ric_info_cleardown_reserved, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_reason_id_code_info, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
} /* switch(ric) */
|
|
offset += 2;
|
|
|
|
if(extb && payload_length >= 6) /* display optional extension fields */
|
|
{
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_reserved, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
if(ext_len != (payload_length - 6))
|
|
{
|
|
/* TODO - ext field len doesn't match actual len... that isn't illegal, but is perhaps worth noting */
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_extension_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
} else {
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_extension_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
offset += 2;
|
|
|
|
/* display optional extension fields */
|
|
switch(ric) {
|
|
case V150FW_RIC_CLEARDOWN: /* show vendor tag & vendor-specific info */
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_ric_info_cleardown_vendor_tag, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_ric_info_cleardown_vendor_info, tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
/* just dump the bytes for now */
|
|
proto_tree_add_item(v150fw_tree, hf_v150fw_remainder, tvb, offset, (payload_length - 6), ENC_NA);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return tvb_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_v150fw(void)
|
|
{
|
|
/* set up header fields */
|
|
static hf_register_info hf[] =
|
|
{
|
|
{
|
|
&hf_v150fw_event_id,
|
|
{
|
|
"Event ID",
|
|
"v150fw.event",
|
|
FT_UINT8,
|
|
BASE_DEC | BASE_RANGE_STRING,
|
|
RVALS(v150fw_event_id_name),
|
|
0xFC,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_force_response_bit,
|
|
{
|
|
"Force response",
|
|
"v150fw.frb",
|
|
FT_BOOLEAN,
|
|
8,
|
|
TFS(&tfs_yes_no),
|
|
0x02,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_extension_bit,
|
|
{
|
|
"Payload extension",
|
|
"v150fw.extb",
|
|
FT_BOOLEAN,
|
|
8,
|
|
TFS(&tfs_present_absent),
|
|
0x01,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_reason_id_code, /* ric value + string */
|
|
{
|
|
"Reason ID",
|
|
"v150fw.ric",
|
|
FT_UINT8,
|
|
BASE_DEC | BASE_RANGE_STRING,
|
|
RVALS(v150fw_ric_name),
|
|
0xFF,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_reason_id_code_info,
|
|
{
|
|
"Info",
|
|
"v150fw.ricinfo",
|
|
FT_UINT16,
|
|
BASE_HEX,
|
|
NULL,
|
|
0xFFFF,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_ric_info_timeout,
|
|
{
|
|
"Timeout type",
|
|
"v150fw.ricinfo.timeout",
|
|
FT_UINT16,
|
|
BASE_HEX,
|
|
VALS(v150fw_ric_info_timeout_type),
|
|
0xFF00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_ric_info_timeout_vendor,
|
|
{
|
|
"Vendor-specific timeout info",
|
|
"v150fw.ricinfo.timeout_vendor",
|
|
FT_UINT16,
|
|
BASE_HEX,
|
|
NULL,
|
|
0x00FF,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_ric_info_cleardown,
|
|
{
|
|
"Cleardown type",
|
|
"v150fw.ricinfo.cleardown",
|
|
FT_UINT16,
|
|
BASE_HEX,
|
|
VALS(v150fw_ric_info_cleardown_type),
|
|
0xFF00,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_ric_info_cleardown_reserved,
|
|
{
|
|
"Reserved for use by the ITU-T",
|
|
"v150fw.ricinfo.cleardown_reserved",
|
|
FT_UINT16,
|
|
BASE_HEX,
|
|
NULL,
|
|
0x00FF,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_ric_info_cleardown_vendor_tag,
|
|
{
|
|
"Vendor tag",
|
|
"v150fw.cleardown_vendor_tag",
|
|
FT_UINT8,
|
|
BASE_HEX,
|
|
NULL,
|
|
0xFF,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_ric_info_cleardown_vendor_info,
|
|
{
|
|
"Vendor-specific info",
|
|
"v150fw.cleardown_vendor_info",
|
|
FT_UINT8,
|
|
BASE_HEX,
|
|
NULL,
|
|
0xFF,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_ric_info_mod_avail,
|
|
{
|
|
"Modulation availability",
|
|
"v150fw.rinfo.mod_avail",
|
|
FT_UINT16,
|
|
BASE_HEX,
|
|
NULL,
|
|
0xFFFF,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_pcm_mode,
|
|
{
|
|
"PCM mode",
|
|
"v150fw.rinfo.mod_avail.pcm_mode",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x8000,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v34_duplex,
|
|
{
|
|
"V.34 duplex",
|
|
"v150fw.rinfo.mod_avail.v34_duplex",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x4000,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v34_half_duplex,
|
|
{
|
|
"V.34 half-duplex",
|
|
"v150fw.rinfo.mod_avail.v34_half_duplex",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x2000,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v32_v32bis,
|
|
{
|
|
"V.32/V.32bis",
|
|
"v150fw.rinfo.mod_avail.v32_v32bis",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x1000,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v22_v22bis,
|
|
{
|
|
"V.22/V.22bis",
|
|
"v150fw.rinfo.mod_avail.v22_v22bis",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0800,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v17,
|
|
{
|
|
"V.17",
|
|
"v150fw.rinfo.mod_avail.v17",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0400,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v29_half_duplex,
|
|
{
|
|
"V.29 half-duplex",
|
|
"v150fw.rinfo.mod_avail.v29_half_duplex",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0200,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v27ter,
|
|
{
|
|
"V.27ter",
|
|
"v150fw.rinfo.mod_avail.v27ter",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0100,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v26ter,
|
|
{
|
|
"V.26ter",
|
|
"v150fw.rinfo.mod_avail.v26ter",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0080,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v26bis,
|
|
{
|
|
"V.26bis",
|
|
"v150fw.rinfo.mod_avail.v26bis",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0040,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v23_duplex,
|
|
{
|
|
"V.23 duplex",
|
|
"v150fw.rinfo.mod_avail.v23_duplex",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0020,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v23_half_duplex,
|
|
{
|
|
"V.23 half-duplex",
|
|
"v150fw.rinfo.mod_avail.half_duplex",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0010,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v21,
|
|
{
|
|
"V.21",
|
|
"v150fw.rinfo.mod_avail.v21",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0008,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v90_or_v92_analog,
|
|
{
|
|
"V.90 or V.92 analog",
|
|
"v150fw.rinfo.mod_avail.v90_or_v92_analog",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0004,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v90_or_v92_digital,
|
|
{
|
|
"V.90 or V.92 digital",
|
|
"v150fw.rinfo.mod_avail.v90_or_v92_digital",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0002,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_cm_jm_mod_avail_v91,
|
|
{
|
|
"V.91",
|
|
"v150fw.rinfo.mod_avail.v91",
|
|
FT_BOOLEAN,
|
|
16,
|
|
TFS(&tfs_available_not_available),
|
|
0x0001,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_reserved,
|
|
{
|
|
"Reserved",
|
|
"v150fw.reserved",
|
|
FT_UINT16,
|
|
BASE_HEX,
|
|
NULL,
|
|
0xF800,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_v150fw_extension_len,
|
|
{
|
|
"Extension field length",
|
|
"v150fw.eflen",
|
|
FT_UINT16,
|
|
BASE_DEC,
|
|
NULL,
|
|
0x07FF,
|
|
NULL, HFILL
|
|
}
|
|
},
|
|
/* dump remaining bytes: */
|
|
{
|
|
&hf_v150fw_remainder,
|
|
{
|
|
"Remaining bytes",
|
|
"v150fw.remainder",
|
|
FT_BYTES,
|
|
BASE_NONE,
|
|
NULL,
|
|
0x0,
|
|
NULL, HFILL
|
|
}
|
|
}
|
|
}; /* hf_register_info hf[] */
|
|
|
|
/* setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_v150fw,
|
|
&ett_available_modulations
|
|
};
|
|
|
|
/* register protocol name & description */
|
|
proto_v150fw = proto_register_protocol("v150fw State Signaling Event", "v150fw", "v150fw");
|
|
|
|
/* required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_v150fw, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* register the dissector */
|
|
new_register_dissector("v150fw", dissect_v150fw, proto_v150fw);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://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:
|
|
*/
|