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wireshark/epan/dissectors/packet-rtp-ed137.c

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RTP ED-137: All RTP ED-137 related code moved to separate file As ED-137 code is about 50% of RTP dissector, I decided to move it to different file. Change-Id: I690e0292255dd84bc503fbd6ba86f39767f2bd6d Reviewed-on: https://code.wireshark.org/review/29355 Petri-Dish: Anders Broman <a.broman58@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
2018-08-30 20:10:58 +00:00
/* packet-rtp-ed137.c
*
* Routines for RTP ED137 extensions dissection
* RTP = Real time Transport Protocol
*
* Copyright 2000, Philips Electronics N.V.
* Written by Andreas Sikkema <h323@ramdyne.nl>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/*
* This dissector tries to dissect the RTP extension headers by ED-137, ED-137A, ED-137B and ED-137C specification
* of EUROCAE (The European Organisation for Civil Aviation Equipment)
*
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/to_str.h>
#include "packet-rtp.h"
static int proto_rtp_ed137 = -1;
static dissector_handle_t rtp_hdr_ext_ed137_handle;
static dissector_handle_t rtp_hdr_ext_ed137a_handle;
/* RTP header ED137 extension fields */
static int hf_rtp_hdr_ed137s = -1;
static int hf_rtp_hdr_ed137 = -1;
static int hf_rtp_hdr_ed137_add = -1;
static int hf_rtp_hdr_ed137_ptt_type = -1;
static int hf_rtp_hdr_ed137_squ = -1;
static int hf_rtp_hdr_ed137_ptt_id = -1;
static int hf_rtp_hdr_ed137_sct = -1;
static int hf_rtp_hdr_ed137_x = -1;
static int hf_rtp_hdr_ed137_x_nu = -1;
static int hf_rtp_hdr_ed137_ft_type = -1;
static int hf_rtp_hdr_ed137_ft_len = -1;
static int hf_rtp_hdr_ed137_ft_value = -1;
static int hf_rtp_hdr_ed137_ft_bss_qidx = -1;
static int hf_rtp_hdr_ed137_ft_bss_rssi_qidx = -1;
static int hf_rtp_hdr_ed137_ft_bss_qidx_ml = -1;
static int hf_rtp_hdr_ed137_vf = -1;
static int hf_rtp_hdr_ed137_ft_climax_delay_value = -1;
/* RTP header ED137A extension fields */
static int hf_rtp_hdr_ed137a = -1;
static int hf_rtp_hdr_ed137a_add = -1;
static int hf_rtp_hdr_ed137a_ptt_type = -1;
static int hf_rtp_hdr_ed137a_squ = -1;
static int hf_rtp_hdr_ed137a_ptt_id = -1;
static int hf_rtp_hdr_ed137a_pm = -1;
static int hf_rtp_hdr_ed137a_ptts = -1;
static int hf_rtp_hdr_ed137a_sct = -1;
static int hf_rtp_hdr_ed137a_reserved = -1;
static int hf_rtp_hdr_ed137a_x = -1;
static int hf_rtp_hdr_ed137a_x_nu = -1;
static int hf_rtp_hdr_ed137a_ft_type = -1;
static int hf_rtp_hdr_ed137a_ft_len = -1;
static int hf_rtp_hdr_ed137a_ft_value = -1;
static int hf_rtp_hdr_ed137a_ft_padding = -1;
static int hf_rtp_hdr_ed137a_ft_sqi_qidx = -1;
static int hf_rtp_hdr_ed137a_ft_sqi_rssi_qidx = -1;
static int hf_rtp_hdr_ed137a_ft_sqi_qidx_ml = -1;
static int hf_rtp_hdr_ed137a_ft_climax_delay_mode = -1;
static int hf_rtp_hdr_ed137a_ft_climax_delay_relative_value = -1;
static int hf_rtp_hdr_ed137a_ft_climax_delay_absolute_value = -1;
/* RTP header ED137B extension fields */
static int hf_rtp_hdr_ed137b_ft_climax_ddc_unknown = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_rmm = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_rmm_tqv = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_rmm_t1 = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_mam = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tqg = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_mam_t1 = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_mam_nmr = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_mam_t2 = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tsd = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tj1 = -1;
static int hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tid = -1;
/* RTP header ED137C extension fields */
static int hf_rtp_hdr_ed137c_ft_climax_ddc_mam = -1;
static int hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tqg = -1;
static int hf_rtp_hdr_ed137c_ft_climax_ddc_mam_t1 = -1;
static int hf_rtp_hdr_ed137c_ft_climax_ddc_mam_nmr = -1;
static int hf_rtp_hdr_ed137c_ft_climax_ddc_mam_t2 = -1;
static int hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tsd = -1;
static int hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tj1 = -1;
static int hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tid = -1;
static int hf_rtp_hdr_ed137c_ft_climax_ddc_mam_ts2 = -1;
static gint ett_hdr_ext_ed137s = -1;
static gint ett_hdr_ext_ed137 = -1;
static gint ett_hdr_ext_ed137_add = -1;
static gint ett_hdr_ext_ed137a = -1;
static gint ett_hdr_ext_ed137a_add = -1;
/* Forward declaration we need below */
void proto_register_rtp_ed137(void);
void proto_reg_handoff_rtp_ed137(void);
/* ED137 signature */
#define RTP_ED137_SIG 0x0067
/* ED137A signature */
#define RTP_ED137A_SIG 0x0167
/* ED137 PTT */
#define RTP_ED137_ptt_mask(octet) ((octet) & 0xE0000000)
#define RTP_ED137A_ptt_mask(octet) ((octet) & 0xE0000000)
#define RTP_ED137_squ_mask(octet) ((octet) & 0x10000000)
#define RTP_ED137A_squ_mask(octet) ((octet) & 0x10000000)
/* ED137 extended information */
#define RTP_ED137_extended_information(octet) ((octet) & 0x00400000)
#define RTP_ED137A_extended_information(octet) ((octet) & 0x00010000)
/* ED137 feature type */
#define RTP_ED137_feature_type(octet) (((octet) & 0x003C0000) >> 18)
#define RTP_ED137A_feature_type(octet) (((octet) & 0x0000F000) >> 12)
/* ED137 feature length */
#define RTP_ED137_feature_length(octet) (((octet) & 0x0003C000) >> 14)
#define RTP_ED137A_feature_length(octet) (((octet) & 0x00000F00) >> 8)
/* ED137 feature value */
#define RTP_ED137_feature_value(octet) (((octet) & 0x00003FFE) >> 1)
#define RTP_ED137A_feature_value(octet) (((octet) & 0x000000FF) >> 0)
/* ED137 BSS constants */
#define RTP_ED137_feature_bss_type 0x1
#define RTP_ED137_feature_bss_qidx(octet) (((octet) & 0x00003FC0) >> 6)
#define RTP_ED137_feature_bss_qidx_ml(octet) (((octet) & 0x00000038) >> 2)
#define RTP_ED137_feature_bss_qidx_ml_rssi 0
#define RTP_ED137_feature_bss_qidx_rssi_max 15
/* ED137 CLIMAX-Time Delay */
#define RTP_ED137_feature_climax_ot_type 0x2
#define RTP_ED137_feature_climax_ot_value(octet) (((octet) & 0x00003F00) >> 8)
/* ED137A SQI constants */
#define RTP_ED137A_feature_sqi_type 0x1
#define RTP_ED137A_feature_sqi_qidx(octet) (((octet) & 0x000000F8) >> 3)
#define RTP_ED137A_feature_sqi_qidx_ml(octet) (((octet) & 0x00000007) >> 0)
#define RTP_ED137A_feature_sqi_qidx_ml_rssi 0
#define RTP_ED137A_feature_sqi_qidx_rssi_max 15
/* ED137A CLIMAX-Time Delay */
#define RTP_ED137A_feature_climax_tdly_type 0x2
#define RTP_ED137A_feature_climax_tdly_mode(octet) (((octet) & 0x00000080) >> 7)
#define RTP_ED137A_feature_climax_tdly_value(octet) (((octet) & 0x0000007F) >> 0)
#define RTP_ED137A_feature_climax_tdly_mode_relative 0
#define RTP_ED137A_feature_climax_tdly_mode_absolute 1
/* ED137B CLIMAX dynamic delay compensation*/
#define RTP_ED137B_feature_climax_ddc_type 0x4
#define RTP_ED137B_feature_climax_ddc_rmm_len 3
#define RTP_ED137B_feature_climax_ddc_mam_len 12
#define RTP_ED137B_feature_climax_ddc_rmm_tqv(octet) (((octet) & 0x00800000) >> 23)
#define RTP_ED137B_feature_climax_ddc_rmm_t1(octet) (((octet) & 0x007FFFFF) >> 0)
#define RTP_ED137B_feature_climax_ddc_mam_tqg(octet) (((octet) & 0x00800000) >> 23)
#define RTP_ED137B_feature_climax_ddc_mam_t1(octet) (((octet) & 0x007FFFFF) >> 0)
#define RTP_ED137B_feature_climax_ddc_mam_nmr(octet) (((octet) & 0x00800000) >> 23)
#define RTP_ED137B_feature_climax_ddc_mam_t2(octet) (((octet) & 0x007FFFFF) >> 0)
#define RTP_ED137B_feature_climax_ddc_mam_tsd(octet) (((octet) & 0xFFFF) >> 0)
#define RTP_ED137B_feature_climax_ddc_mam_tj1(octet) (((octet) & 0xFFFF) >> 0)
#define RTP_ED137B_feature_climax_ddc_mam_tid(octet) (((octet) & 0xFFFF) >> 0)
#define RTP_ED137B_feature_climax_ddc_rmm_tqv_relative 0
#define RTP_ED137B_feature_climax_ddc_rmm_tqv_absolute 1
#define RTP_ED137B_feature_climax_ddc_mam_tqg_relative 0
#define RTP_ED137B_feature_climax_ddc_mam_tqg_absolute 1
/* ED137C CLIMAX dynamic delay compensation*/
#define RTP_ED137C_feature_climax_ddc_mam_len 14
#define RTP_ED137C_feature_climax_ddc_rmm_tqv(octet) (((octet) & 0x00800000) >> 23)
#define RTP_ED137C_feature_climax_ddc_rmm_t1(octet) (((octet) & 0x007FFFFF) >> 0)
#define RTP_ED137C_feature_climax_ddc_mam_tqg(octet) (((octet) & 0x00800000) >> 23)
#define RTP_ED137C_feature_climax_ddc_mam_t1(octet) (((octet) & 0x007FFFFF) >> 0)
#define RTP_ED137C_feature_climax_ddc_mam_nmr(octet) (((octet) & 0x00800000) >> 23)
#define RTP_ED137C_feature_climax_ddc_mam_t2(octet) (((octet) & 0x007FFFFF) >> 0)
#define RTP_ED137C_feature_climax_ddc_mam_tsd(octet) (((octet) & 0xFFFF) >> 0)
#define RTP_ED137C_feature_climax_ddc_mam_tj1(octet) (((octet) & 0xFFFF) >> 0)
#define RTP_ED137C_feature_climax_ddc_mam_tid(octet) (((octet) & 0xFFFF) >> 0)
#define RTP_ED137C_feature_climax_ddc_mam_ts2(octet) (((octet) & 0xFFFF) >> 0)
#define RTP_ED137C_feature_climax_ddc_rmm_tqv_relative 0
#define RTP_ED137C_feature_climax_ddc_rmm_tqv_absolute 1
#define RTP_ED137C_feature_climax_ddc_mam_tqg_relative 0
#define RTP_ED137C_feature_climax_ddc_mam_tqg_absolute 1
static const value_string rtp_ext_ed137_ptt_type[] =
{
{ 0x00, "PTT OFF" },
{ 0x01, "Normal PTT ON" },
{ 0x02, "Coupling PTT ON" },
{ 0x03, "Priority PTT ON" },
{ 0x04, "Emergency PTT ON" },
{ 0x05, "Reserved" },
{ 0x06, "Reserved" },
{ 0x07, "Reserved" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137_squ[] =
{
{ 0x00, "SQ OFF" },
{ 0x01, "SQ ON" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137_ft_type[] =
{
{ 0x0, "No features" },
{ 0x1, "Best signal selection" },
{ 0x2, "CLIMAX time delay" },
{ 0x3, "Reserved" },
{ 0x4, "Reserved" },
{ 0x5, "Reserved" },
{ 0x6, "Reserved" },
{ 0x7, "Reserved" },
{ 0x8, "Reserved" },
{ 0x9, "Reserved" },
{ 0xA, "Reserved" },
{ 0xB, "Vendor reserved" },
{ 0xC, "Vendor reserved" },
{ 0xD, "Vendor reserved" },
{ 0xE, "Vendor reserved" },
{ 0xF, "Vendor reserved" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137_x[] =
{
{ 0x00, "No extended information with additional features is used" },
{ 0x01, "Extended information with additional features is used" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137_vf[] =
{
{ 0x00, "VF OFF" },
{ 0x01, "VF ON" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137_ft_bss_rssi_qidx[] =
{
{ 0x00, "lower than -100.00 dBm" },
{ 0x01, "lower than or equal to -97.86 dBm" },
{ 0x02, "lower than or equal to -95.71 dBm" },
{ 0x03, "lower than or equal to -93.57 dBm" },
{ 0x04, "lower than or equal to -91.43 dBm" },
{ 0x05, "lower than or equal to -89.29 dBm" },
{ 0x06, "lower than or equal to -87.14 dBm" },
{ 0x07, "lower than or equal to -85.00 dBm" },
{ 0x08, "lower than or equal to -82.86 dBm" },
{ 0x09, "lower than or equal to -80.71 dBm" },
{ 0x0a, "lower than or equal to -78.57 dBm" },
{ 0x0b, "lower than or equal to -76.43 dBm" },
{ 0x0c, "lower than or equal to -74.29 dBm" },
{ 0x0d, "lower than or equal to -72.14 dBm" },
{ 0x0e, "lower than or equal to -70.00 dBm" },
{ 0x0f, "higher than -70.00 dBm" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137_ft_bss_qidx_ml[] =
{
{ 0x00, "RSSI" },
{ 0x01, "AGC Level" },
{ 0x02, "C/N" },
{ 0x03, "Standardized PSD" },
{ 0x04, "Vendor specific method" },
{ 0x05, "Vendor specific method" },
{ 0x06, "Vendor specific method" },
{ 0x07, "Vendor specific method" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137a_ptt_type[] =
{
{ 0x00, "PTT OFF" },
{ 0x01, "Normal PTT ON" },
{ 0x02, "Coupling PTT ON" },
{ 0x03, "Priority PTT ON" },
{ 0x04, "Emergency PTT ON" },
{ 0x05, "Test PTT ON" },
{ 0x06, "Reserved" },
{ 0x07, "Reserved" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137a_squ[] =
{
{ 0x00, "SQ OFF" },
{ 0x01, "SQ ON" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137a_ft_type[] =
{
{ 0x0, "No features" },
{ 0x1, "Signal Quality Information" },
{ 0x2, "CLIMAX time delay" },
{ 0x3, "Radio remote control" },
{ 0x4, "CLIMAX dynamic delay compensation" },
{ 0x5, "Reserved" },
{ 0x6, "Reserved" },
{ 0x7, "Reserved" },
{ 0x8, "Reserved" },
{ 0x9, "Reserved" },
{ 0xA, "Reserved" },
{ 0xB, "Vendor reserved" },
{ 0xC, "Vendor reserved" },
{ 0xD, "Vendor reserved" },
{ 0xE, "Vendor reserved" },
{ 0xF, "Vendor reserved" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137a_ft_sqi_rssi_qidx[] =
{
{ 0x00, "lower than -100.00 dBm" },
{ 0x01, "lower than or equal to -97.86 dBm" },
{ 0x02, "lower than or equal to -95.71 dBm" },
{ 0x03, "lower than or equal to -93.57 dBm" },
{ 0x04, "lower than or equal to -91.43 dBm" },
{ 0x05, "lower than or equal to -89.29 dBm" },
{ 0x06, "lower than or equal to -87.14 dBm" },
{ 0x07, "lower than or equal to -85.00 dBm" },
{ 0x08, "lower than or equal to -82.86 dBm" },
{ 0x09, "lower than or equal to -80.71 dBm" },
{ 0x0a, "lower than or equal to -78.57 dBm" },
{ 0x0b, "lower than or equal to -76.43 dBm" },
{ 0x0c, "lower than or equal to -74.29 dBm" },
{ 0x0d, "lower than or equal to -72.14 dBm" },
{ 0x0e, "lower than or equal to -70.00 dBm" },
{ 0x0f, "higher than -70.00 dBm" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137a_ft_sqi_qidx_ml[] =
{
{ 0x00, "RSSI" },
{ 0x01, "AGC Level" },
{ 0x02, "C/N" },
{ 0x03, "Standardized PSD" },
{ 0x04, "Vendor specific method" },
{ 0x05, "Vendor specific method" },
{ 0x06, "Vendor specific method" },
{ 0x07, "Vendor specific method" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137a_ft_climax_delay_mode[] =
{
{ 0x00, "relative" },
{ 0x01, "absolute" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137b_ft_climax_ddc_time_quality[] =
{
{ 0x00, "Not synchronized" },
{ 0x01, "Synchronized" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137b_ft_climax_ddc_mam_nmr[] =
{
{ 0x00, "No request" },
{ 0x01, "GRS requests a new RTT measurement" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137c_ft_climax_ddc_time_quality[] =
{
{ 0x00, "Not synchronized" },
{ 0x01, "Synchronized" },
{ 0, NULL },
};
static const value_string rtp_ext_ed137c_ft_climax_ddc_mam_nmr[] =
{
{ 0x00, "No request" },
{ 0x01, "GRS requests a new RTT measurement" },
{ 0, NULL },
};
/* We do not need to allocate/free strings */
static char *ed137_ptt_only = "PTT";
static char *ed137_squ_only = "SQU";
static char *ed137_ptt_and_squ = "PTT+SQU";
/* Note:
* Only seen/tested headers are decoded
*/
static int
dissect_rtp_hdr_ext_ed137(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
{
unsigned int hdr_extension_len;
struct _rtp_info *rtp_info=(struct _rtp_info *)data;
proto_tree *rtp_hext_tree = NULL;
unsigned int hdrext_offset = 0;
gboolean ed137_ptt = FALSE;
gboolean ed137_squ = FALSE;
hdr_extension_len = tvb_reported_length(tvb);
if ( hdr_extension_len > 0 ) {
if (rtp_info != NULL) {
rtp_info->info_is_ed137 = TRUE;
}
if ( tree ) {
proto_item *ti;
ti = proto_tree_add_item(tree, hf_rtp_hdr_ed137s, tvb, 0, hdr_extension_len, ENC_NA);
rtp_hext_tree = proto_item_add_subtree( ti, ett_hdr_ext_ed137s );
}
while ( hdr_extension_len > 0 ) {
proto_item *ti2;
proto_tree *rtp_hext_tree2;
proto_item *ti3;
proto_tree *rtp_hext_tree3;
unsigned int ft_type;
guint32 ext_value = tvb_get_ntohl( tvb, hdrext_offset );
if (RTP_ED137_ptt_mask(ext_value)) {
col_append_str(pinfo->cinfo, COL_INFO, ", PTT");
ed137_ptt = TRUE;
}
if (RTP_ED137_squ_mask(ext_value)) {
col_append_str(pinfo->cinfo, COL_INFO, ", SQU");
ed137_squ = TRUE;
}
/* Map PTT/SQU bits to string */
if (rtp_info != NULL) {
if (ed137_ptt) {
if (ed137_squ) {
rtp_info->info_ed137_info = ed137_ptt_and_squ;
} else {
rtp_info->info_ed137_info = ed137_ptt_only;
}
} else {
if (ed137_squ) {
rtp_info->info_ed137_info = ed137_squ_only;
} else {
rtp_info->info_ed137_info = NULL;
}
}
}
if ( rtp_hext_tree ) {
ti2 = proto_tree_add_item(rtp_hext_tree, hf_rtp_hdr_ed137, tvb, hdrext_offset, 4, ENC_NA);
rtp_hext_tree2 = proto_item_add_subtree( ti2, ett_hdr_ext_ed137 );
/* Following bits are used from ED137 RTPRx Information field */
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137_ptt_type, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137_squ, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137_ptt_id, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137_sct, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137_x, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137_vf, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
}
ft_type = RTP_ED137_feature_type(ext_value);
ti3 = proto_tree_add_item(rtp_hext_tree, hf_rtp_hdr_ed137_add, tvb, hdrext_offset, 4, ENC_NA);
rtp_hext_tree3 = proto_item_add_subtree( ti3, ett_hdr_ext_ed137_add );
if (RTP_ED137_extended_information(ext_value)) {
/* Extended information is used */
if ( rtp_hext_tree ) {
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137_ft_type, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137_ft_len, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
}
if ( rtp_hext_tree ) {
switch (ft_type) {
case RTP_ED137_feature_bss_type:
{
unsigned int bss_qidx;
unsigned int bss_qidx_ml;
bss_qidx = RTP_ED137_feature_bss_qidx(ext_value);
bss_qidx_ml = RTP_ED137_feature_bss_qidx_ml(ext_value);
if (RTP_ED137_feature_bss_qidx_ml_rssi == bss_qidx_ml) {
/* Special handling for RSSI method */
if (bss_qidx <= RTP_ED137_feature_bss_qidx_rssi_max) {
/* Correct range */
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137_ft_bss_rssi_qidx, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
}
else {
/* Handle as other method */
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137_ft_bss_qidx, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
}
}
else {
/* Other BSS method handling */
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137_ft_bss_qidx, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
}
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137_ft_bss_qidx_ml, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
break;
}
case RTP_ED137_feature_climax_ot_type:
{
unsigned int climax_ot_value;
unsigned int climax_ot_value_calc;
climax_ot_value = RTP_ED137_feature_climax_ot_value(ext_value);
/* Relative delay, in 2ms steps */
climax_ot_value_calc=2*climax_ot_value;
proto_tree_add_uint_format_value( rtp_hext_tree3, hf_rtp_hdr_ed137_ft_climax_delay_value, tvb, hdrext_offset, 4, climax_ot_value, "%d ms", climax_ot_value_calc);
break;
}
default:
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137_ft_value, tvb, hdrext_offset, 4, ENC_NA);
break;
}
}
/* Shift behind header */
hdrext_offset += 4;
hdr_extension_len -= 4;
}
else {
/* Extended information is not used */
if ( rtp_hext_tree ) {
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137_x_nu, tvb, hdrext_offset, 4, ENC_BIG_ENDIAN);
}
/* Shift behind empty additional feature header */
hdrext_offset += 4;
hdr_extension_len -= 4;
}
}
}
return tvb_captured_length(tvb);
}
#define NSTIME_INIT_USEC(time, usecs) \
time.secs = usecs / 1000000; \
time.nsecs = (usecs % 1000000) / 1000;
/* Decodes and calculates relative/absolute time item */
rtp-ed137: fix no previous prototype for function 'process_time_value/process_125us_based_value' [-Wmissing-prototypes] Change-Id: I8be268b67cb2f49b9b7ae8e0e1ae1eebc90d6ad2 Reviewed-on: https://code.wireshark.org/review/29403 Petri-Dish: Anders Broman <a.broman58@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
2018-09-03 18:30:40 +00:00
static void process_time_value(tvbuff_t *tvb, proto_tree *tree, int time_item, unsigned int hdrext_offset, gboolean time_relative, unsigned int time_value)
RTP ED-137: All RTP ED-137 related code moved to separate file As ED-137 code is about 50% of RTP dissector, I decided to move it to different file. Change-Id: I690e0292255dd84bc503fbd6ba86f39767f2bd6d Reviewed-on: https://code.wireshark.org/review/29355 Petri-Dish: Anders Broman <a.broman58@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
2018-08-30 20:10:58 +00:00
{
/* Note: even there is relative/absolute flag, value is shown same way */
if (time_relative) {
/* Value is based on free running internal source */
unsigned int time_calc;
nstime_t tmp_time;
gchar *tmp;
/* Value is stored as count of 125 us ticks */
time_calc = time_value * 125;
NSTIME_INIT_USEC(tmp_time, time_calc);
tmp = rel_time_to_secs_str(NULL, &tmp_time);
proto_tree_add_uint_format_value( tree, time_item, tvb, hdrext_offset, 3, time_value, "%s s", tmp);
wmem_free(NULL, tmp);
}
else {
/* Value is based on NTP */
unsigned int time_calc;
nstime_t tmp_time;
gchar *tmp;
/* Value is stored as count of 125 us ticks */
time_calc = time_value * 125;
NSTIME_INIT_USEC(tmp_time, time_calc);
tmp = rel_time_to_secs_str(NULL, &tmp_time);
proto_tree_add_uint_format_value( tree, time_item, tvb, hdrext_offset, 3, time_value, "%s s", tmp);
}
}
/* Decodes and calculates value based on 125us tick*/
rtp-ed137: fix no previous prototype for function 'process_time_value/process_125us_based_value' [-Wmissing-prototypes] Change-Id: I8be268b67cb2f49b9b7ae8e0e1ae1eebc90d6ad2 Reviewed-on: https://code.wireshark.org/review/29403 Petri-Dish: Anders Broman <a.broman58@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
2018-09-03 18:30:40 +00:00
static void process_125us_based_value(tvbuff_t *tvb, proto_tree *tree, int value_item, unsigned int hdrext_offset)
RTP ED-137: All RTP ED-137 related code moved to separate file As ED-137 code is about 50% of RTP dissector, I decided to move it to different file. Change-Id: I690e0292255dd84bc503fbd6ba86f39767f2bd6d Reviewed-on: https://code.wireshark.org/review/29355 Petri-Dish: Anders Broman <a.broman58@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
2018-08-30 20:10:58 +00:00
{
guint32 value;
guint32 value_calc;
/* Values is stored as count of 125 us ticks */
value = tvb_get_ntohs( tvb, hdrext_offset );
value_calc = value * 125;
proto_tree_add_uint_format_value( tree, value_item, tvb, hdrext_offset, 2, value, "%d us", value_calc);
}
/* Note:
* Only seen/tested headers are decoded
*/
static int
dissect_rtp_hdr_ext_ed137a(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
{
guint32 hdr_extension_len;
struct _rtp_info *rtp_info=(struct _rtp_info *)data;
proto_tree *rtp_hext_tree = NULL;
guint32 hdrext_offset = 0;
gboolean ed137_ptt = FALSE;
gboolean ed137_squ = FALSE;
hdr_extension_len = tvb_reported_length(tvb);
if ( hdr_extension_len > 0 ) {
if (rtp_info != NULL) {
rtp_info->info_is_ed137 = TRUE;
}
if ( tree ) {
proto_item *ti;
ti = proto_tree_add_item(tree, hf_rtp_hdr_ed137s, tvb, 0, hdr_extension_len, ENC_NA);
rtp_hext_tree = proto_item_add_subtree( ti, ett_hdr_ext_ed137s );
}
while ( hdr_extension_len > 0 ) {
proto_item *ti2;
proto_tree *rtp_hext_tree2;
proto_item *ti3;
proto_tree *rtp_hext_tree3;
guint32 ft_type;
guint32 ft_len;
guint32 ext_value = tvb_get_ntohl( tvb, hdrext_offset );
if (RTP_ED137A_ptt_mask(ext_value)) {
col_append_str(pinfo->cinfo, COL_INFO, ", PTT");
ed137_ptt = TRUE;
}
if (RTP_ED137A_squ_mask(ext_value)) {
col_append_str(pinfo->cinfo, COL_INFO, ", SQU");
ed137_squ = TRUE;
}
/* Map PTT/SQU bits to string */
if (rtp_info != NULL) {
if (ed137_ptt) {
if (ed137_squ) {
rtp_info->info_ed137_info = ed137_ptt_and_squ;
} else {
rtp_info->info_ed137_info = ed137_ptt_only;
}
} else {
if (ed137_squ) {
rtp_info->info_ed137_info = ed137_squ_only;
} else {
rtp_info->info_ed137_info = NULL;
}
}
}
if ( rtp_hext_tree ) {
ti2 = proto_tree_add_item(rtp_hext_tree, hf_rtp_hdr_ed137a, tvb, hdrext_offset, 2, ENC_NA);
rtp_hext_tree2 = proto_item_add_subtree( ti2, ett_hdr_ext_ed137a );
/* Following bits are used from ED137A/B RTPRx Information field */
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137a_ptt_type, tvb, hdrext_offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137a_squ, tvb, hdrext_offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137a_ptt_id, tvb, hdrext_offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137a_pm, tvb, hdrext_offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137a_ptts, tvb, hdrext_offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137a_sct, tvb, hdrext_offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137a_reserved, tvb, hdrext_offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree2, hf_rtp_hdr_ed137a_x, tvb, hdrext_offset, 2, ENC_BIG_ENDIAN);
}
/* Shift behind standard ED137A header */
hdrext_offset += 2;
hdr_extension_len -= 2;
ft_type = RTP_ED137A_feature_type(ext_value);
ft_len = RTP_ED137A_feature_length(ext_value);
ti3 = proto_tree_add_item(rtp_hext_tree, hf_rtp_hdr_ed137a_add, tvb, hdrext_offset, (ft_len > 0 ? ft_len + 1 : 2), ENC_NA);
rtp_hext_tree3 = proto_item_add_subtree( ti3, ett_hdr_ext_ed137a_add );
if (RTP_ED137A_extended_information(ext_value)) {
/* Extended information is used */
guint32 hdr_extension_padding;
if ( rtp_hext_tree ) {
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137a_ft_type, tvb, hdrext_offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137a_ft_len, tvb, hdrext_offset, 1, ENC_BIG_ENDIAN);
}
hdrext_offset += 1;
hdr_extension_len -= 1;
if ( rtp_hext_tree ) {
switch (ft_type) {
case RTP_ED137A_feature_sqi_type:
{
guint32 sqi_qidx;
guint32 sqi_qidx_ml;
sqi_qidx = RTP_ED137A_feature_sqi_qidx(ext_value);
sqi_qidx_ml = RTP_ED137A_feature_sqi_qidx_ml(ext_value);
if (RTP_ED137A_feature_sqi_qidx_ml_rssi == sqi_qidx_ml) {
/* Special handling for RSSI method */
if (sqi_qidx <= RTP_ED137A_feature_sqi_qidx_rssi_max) {
/* Correct range */
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137a_ft_sqi_rssi_qidx, tvb, hdrext_offset, 1, ENC_BIG_ENDIAN);
}
else {
/* Handle as other method */
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137a_ft_sqi_qidx, tvb, hdrext_offset, 1, ENC_BIG_ENDIAN);
}
}
else {
/* Other SQI method handling */
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137a_ft_sqi_qidx, tvb, hdrext_offset, 1, ENC_BIG_ENDIAN);
}
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137a_ft_sqi_qidx_ml, tvb, hdrext_offset, 1, ENC_BIG_ENDIAN);
break;
}
case RTP_ED137A_feature_climax_tdly_type:
{
guint32 climax_tdly_mode;
guint32 climax_tdly_value;
guint32 climax_tdly_value_calc;
climax_tdly_mode = RTP_ED137A_feature_climax_tdly_mode(ext_value);
climax_tdly_value = RTP_ED137A_feature_climax_tdly_value(ext_value);
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137a_ft_climax_delay_mode, tvb, hdrext_offset, 1, ENC_BIG_ENDIAN);
if (RTP_ED137A_feature_climax_tdly_mode_relative == climax_tdly_mode) {
/* Relative delay, in 2ms steps */
climax_tdly_value_calc=2*climax_tdly_value;
proto_tree_add_uint_format_value( rtp_hext_tree3, hf_rtp_hdr_ed137a_ft_climax_delay_relative_value, tvb, hdrext_offset, 1, climax_tdly_value, "%d ms", climax_tdly_value_calc);
}
else {
/* Absolute delay, in 2ms steps */
climax_tdly_value_calc=2*climax_tdly_value;
proto_tree_add_uint_format_value( rtp_hext_tree3, hf_rtp_hdr_ed137a_ft_climax_delay_absolute_value, tvb, hdrext_offset, 1, climax_tdly_value, "%d ms", climax_tdly_value_calc);
}
break;
}
case RTP_ED137B_feature_climax_ddc_type:
{
switch (ft_len) {
case RTP_ED137B_feature_climax_ddc_rmm_len:
{
proto_tree *item;
guint32 climax_ddc_rmm_tqv;
guint32 climax_ddc_rmm_t1;
ext_value = tvb_get_ntoh24( tvb, hdrext_offset );
climax_ddc_rmm_tqv = RTP_ED137B_feature_climax_ddc_rmm_tqv(ext_value);
climax_ddc_rmm_t1 = RTP_ED137B_feature_climax_ddc_rmm_t1(ext_value);
item = proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_rmm, tvb, hdrext_offset - 1, 1, ENC_NA);
PROTO_ITEM_SET_GENERATED(item);
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_rmm_tqv, tvb, hdrext_offset, 3, ENC_BIG_ENDIAN);
process_time_value(tvb, rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_rmm_t1, hdrext_offset, (RTP_ED137B_feature_climax_ddc_rmm_tqv_relative == climax_ddc_rmm_tqv), climax_ddc_rmm_t1);
break;
}
case RTP_ED137B_feature_climax_ddc_mam_len:
{
proto_tree *item;
guint32 climax_ddc_mam_tqg;
guint32 climax_ddc_mam_t1;
guint32 climax_ddc_mam_t2;
ext_value = tvb_get_ntoh24( tvb, hdrext_offset );
climax_ddc_mam_tqg = RTP_ED137B_feature_climax_ddc_mam_tqg(ext_value);
climax_ddc_mam_t1 = RTP_ED137B_feature_climax_ddc_mam_t1(ext_value);
item = proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_mam, tvb, hdrext_offset - 1, 1, ENC_NA);
PROTO_ITEM_SET_GENERATED(item);
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tqg, tvb, hdrext_offset, 3, ENC_BIG_ENDIAN);
process_time_value(tvb, rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_mam_t1, hdrext_offset, (RTP_ED137B_feature_climax_ddc_mam_tqg_relative == climax_ddc_mam_tqg), climax_ddc_mam_t1);
ext_value = tvb_get_ntoh24( tvb, hdrext_offset + 3 );
climax_ddc_mam_t2 = RTP_ED137B_feature_climax_ddc_mam_t2(ext_value);
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_mam_nmr, tvb, hdrext_offset + 3, 3, ENC_BIG_ENDIAN);
process_time_value(tvb, rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_mam_t2, hdrext_offset + 3, (RTP_ED137B_feature_climax_ddc_mam_tqg_relative == climax_ddc_mam_tqg), climax_ddc_mam_t2);
process_125us_based_value( tvb, rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tsd, hdrext_offset + 6);
process_125us_based_value( tvb, rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tj1, hdrext_offset + 8);
process_125us_based_value( tvb, rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tid, hdrext_offset + 10);
break;
}
case RTP_ED137C_feature_climax_ddc_mam_len:
{
proto_tree *item;
guint32 climax_ddc_mam_tqg;
guint32 climax_ddc_mam_t1;
guint32 climax_ddc_mam_t2;
ext_value = tvb_get_ntoh24( tvb, hdrext_offset );
climax_ddc_mam_tqg = RTP_ED137C_feature_climax_ddc_mam_tqg(ext_value);
climax_ddc_mam_t1 = RTP_ED137C_feature_climax_ddc_mam_t1(ext_value);
item = proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137c_ft_climax_ddc_mam, tvb, hdrext_offset - 1, 1, ENC_NA);
PROTO_ITEM_SET_GENERATED(item);
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tqg, tvb, hdrext_offset, 3, ENC_BIG_ENDIAN);
process_time_value(tvb, rtp_hext_tree3, hf_rtp_hdr_ed137c_ft_climax_ddc_mam_t1, hdrext_offset, (RTP_ED137C_feature_climax_ddc_mam_tqg_relative == climax_ddc_mam_tqg), climax_ddc_mam_t1);
ext_value = tvb_get_ntoh24( tvb, hdrext_offset + 3 );
climax_ddc_mam_t2 = RTP_ED137C_feature_climax_ddc_mam_t2(ext_value);
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137c_ft_climax_ddc_mam_nmr, tvb, hdrext_offset + 3, 3, ENC_BIG_ENDIAN);
process_time_value(tvb, rtp_hext_tree3, hf_rtp_hdr_ed137c_ft_climax_ddc_mam_t2, hdrext_offset + 3, (RTP_ED137C_feature_climax_ddc_mam_tqg_relative == climax_ddc_mam_tqg), climax_ddc_mam_t2);
process_125us_based_value( tvb, rtp_hext_tree3, hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tsd, hdrext_offset + 6);
process_125us_based_value( tvb, rtp_hext_tree3, hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tj1, hdrext_offset + 8);
process_125us_based_value( tvb, rtp_hext_tree3, hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tid, hdrext_offset + 10);
process_125us_based_value( tvb, rtp_hext_tree3, hf_rtp_hdr_ed137c_ft_climax_ddc_mam_ts2, hdrext_offset + 12);
break;
}
default:
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137b_ft_climax_ddc_unknown, tvb, hdrext_offset, ft_len, ENC_NA);
break;
}
break;
}
default:
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137a_ft_value, tvb, hdrext_offset, ft_len, ENC_NA);
break;
}
}
/* Shift behind additional feature header */
hdrext_offset += ft_len;
hdr_extension_len -= ft_len;
hdr_extension_padding = hdr_extension_len & 0x03;
/* Calculate padding size */
if ( hdr_extension_padding > 0 ) {
proto_tree_add_item( rtp_hext_tree, hf_rtp_hdr_ed137a_ft_padding, tvb, hdrext_offset, hdr_extension_padding, ENC_NA);
}
hdrext_offset += hdr_extension_padding;
hdr_extension_len -= hdr_extension_padding;
}
else {
/* Extended information is not used */
if ( rtp_hext_tree ) {
proto_tree_add_item( rtp_hext_tree3, hf_rtp_hdr_ed137a_x_nu, tvb, hdrext_offset, 2, ENC_BIG_ENDIAN);
}
/* Shift behind empty additional feature header */
hdrext_offset += 2;
hdr_extension_len -= 2;
}
}
}
return tvb_captured_length(tvb);
}
/* Register RTP ED137 */
void
proto_register_rtp_ed137(void)
{
static hf_register_info hf[] =
{
/* ED137 and ED137A common structures */
{
&hf_rtp_hdr_ed137s,
{
"ED137 extensions",
"rtp.ext.ed137s",
FT_NONE,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
/* ED137 only structures */
{
&hf_rtp_hdr_ed137,
{
"ED137 extension",
"rtp.ext.ed137",
FT_NONE,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_add,
{
"ED137 extension additional features",
"rtp.ext.ed137.ft",
FT_NONE,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_ptt_type,
{
"PTT Type",
"rtp.ext.ed137.ptt_type",
FT_UINT32,
BASE_DEC,
VALS(rtp_ext_ed137_ptt_type),
0xE0000000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_squ,
{
"SQU",
"rtp.ext.ed137.squ",
FT_UINT32,
BASE_DEC,
VALS(rtp_ext_ed137_squ),
0x10000000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_ptt_id,
{
"PTT-id",
"rtp.ext.ed137.ptt_id",
FT_UINT32,
BASE_DEC,
NULL,
0x0F000000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_sct,
{
"Simultaneous Call Transmissions",
"rtp.ext.ed137.sct",
FT_UINT32,
BASE_DEC,
NULL,
0x00800000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_x,
{
"X",
"rtp.ext.ed137.x",
FT_UINT32,
BASE_DEC,
VALS(rtp_ext_ed137_x),
0x00400000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_x_nu,
{
"Not used",
"rtp.ext.ed137.x-nu",
FT_UINT32,
BASE_DEC,
NULL,
0x003FFFFE,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_ft_type,
{
"Feature type",
"rtp.ext.ed137.ft.type",
FT_UINT32,
BASE_HEX_DEC,
VALS(rtp_ext_ed137_ft_type),
0x003C0000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_ft_len,
{
"Feature length",
"rtp.ext.ed137.ft.len",
FT_UINT32,
BASE_DEC,
NULL,
0x0003C000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_ft_value,
{
"Feature value",
"rtp.ext.ed137.ft.value",
FT_UINT32,
BASE_HEX_DEC,
NULL,
0x00003FFE,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_vf,
{
"VF",
"rtp.ext.ed137.vf",
FT_UINT32,
BASE_DEC,
VALS(rtp_ext_ed137_vf),
0x00000001,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_ft_bss_qidx,
{
"BSS Quality Index",
"rtp.ext.ed137.ft.bss.qidx",
FT_UINT32,
BASE_DEC,
NULL,
0x00003FC0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_ft_bss_rssi_qidx,
{
"BSS Quality Index",
"rtp.ext.ed137.ft.bss.qidx",
FT_UINT32,
BASE_DEC,
VALS(rtp_ext_ed137_ft_bss_rssi_qidx),
0x00003FC0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_ft_bss_qidx_ml,
{
"BSS Quality Index Method",
"rtp.ext.ed137.ft.bss.qidx-ml",
FT_UINT32,
BASE_DEC,
VALS(rtp_ext_ed137_ft_bss_qidx_ml),
0x00000038,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137_ft_climax_delay_value,
{
"CLIMAX-Time Delay",
"rtp.ext.ed137.ft.climax_delay.value",
FT_UINT32,
BASE_DEC,
NULL,
0x00003F00,
NULL, HFILL
}
},
/* ED137A/B only structures */
{
&hf_rtp_hdr_ed137a,
{
"ED137A extension",
"rtp.ext.ed137a",
FT_NONE,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_add,
{
"ED137A extension additional features",
"rtp.ext.ed137a.ft",
FT_NONE,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ptt_type,
{
"PTT Type",
"rtp.ext.ed137a.ptt_type",
FT_UINT16,
BASE_DEC,
VALS(rtp_ext_ed137a_ptt_type),
0xE000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_squ,
{
"SQU",
"rtp.ext.ed137a.squ",
FT_UINT16,
BASE_DEC,
VALS(rtp_ext_ed137a_squ),
0x1000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ptt_id,
{
"PTT-id",
"rtp.ext.ed137a.ptt_id",
FT_UINT16,
BASE_DEC,
NULL,
0x0FC0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_pm,
{
"PTT Mute",
"rtp.ext.ed137a.pm",
FT_UINT16,
BASE_DEC,
NULL,
0x0020,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ptts,
{
"PTT Summation",
"rtp.ext.ed137a.ptts",
FT_UINT16,
BASE_DEC,
NULL,
0x0010,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_sct,
{
"Simultaneous Call Transmissions",
"rtp.ext.ed137a.sct",
FT_UINT16,
BASE_DEC,
NULL,
0x0008,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_reserved,
{
"Reserved",
"rtp.ext.ed137a.reserved",
FT_UINT16,
BASE_HEX_DEC,
NULL,
0x0006,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_x,
{
"X",
"rtp.ext.ed137a.x",
FT_UINT16,
BASE_DEC,
VALS(rtp_ext_ed137_x),
0x0001,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_x_nu,
{
"Not used",
"rtp.ext.ed137a.x-nu",
FT_UINT16,
BASE_DEC,
NULL,
0xFFFF,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ft_type,
{
"Feature type",
"rtp.ext.ed137a.ft.type",
FT_UINT8,
BASE_HEX_DEC,
VALS(rtp_ext_ed137a_ft_type),
0xF0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ft_len,
{
"Feature length",
"rtp.ext.ed137a.ft.len",
FT_UINT8,
BASE_DEC,
NULL,
0x0F,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ft_value,
{
"Feature value",
"rtp.ext.ed137a.ft.value",
FT_BYTES,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ft_padding,
{
"Padding",
"rtp.ext.ed137a.ft.padding",
FT_BYTES,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ft_sqi_qidx,
{
"SQI Quality Index",
"rtp.ext.ed137a.ft.sqi.qidx",
FT_UINT8,
BASE_DEC,
NULL,
0xF8,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ft_sqi_rssi_qidx,
{
"SQI Quality Index",
"rtp.ext.ed137a.ft.sqi.qidx",
FT_UINT8,
BASE_DEC,
VALS(rtp_ext_ed137a_ft_sqi_rssi_qidx),
0xF8,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ft_sqi_qidx_ml,
{
"SQI Quality Index Method",
"rtp.ext.ed137a.ft.sqi.qidx-ml",
FT_UINT8,
BASE_DEC,
VALS(rtp_ext_ed137a_ft_sqi_qidx_ml),
0x07,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ft_climax_delay_mode,
{
"CLIMAX-Time Delay Mode",
"rtp.ext.ed137a.ft.climax_delay.mode",
FT_UINT8,
BASE_DEC,
VALS(rtp_ext_ed137a_ft_climax_delay_mode),
0x80,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ft_climax_delay_relative_value,
{
"CLIMAX-Time Delay Relative",
"rtp.ext.ed137a.ft.climax_delay.relative_value",
FT_UINT8,
BASE_DEC,
NULL,
0x7F,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137a_ft_climax_delay_absolute_value,
{
"CLIMAX-Time Delay Absolute",
"rtp.ext.ed137a.ft.climax_delay.absolute_value",
FT_UINT32,
BASE_DEC,
NULL,
0x7F,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_unknown,
{
"CLIMAX Dynamic Delay Compensation Unknown Method",
"rtp.ext.ed137b.ft.climax_ddc.unknown",
FT_BYTES,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_rmm,
{
"CLIMAX Dynamic Delay Compensation RMM Request",
"rtp.ext.ed137b.ft.climax_ddc.rmm",
FT_NONE,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_rmm_tqv,
{
"Time Quality VCS",
"rtp.ext.ed137b.ft.climax_ddc.rmm_tqv",
FT_UINT24,
BASE_DEC,
VALS(rtp_ext_ed137b_ft_climax_ddc_time_quality),
0x800000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_rmm_t1,
{
"T1",
"rtp.ext.ed137b.ft.climax_ddc.rmm_t1",
FT_UINT24,
BASE_DEC,
NULL,
0x7FFFFF,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_mam,
{
"CLIMAX Dynamic Delay Compensation MAM Response (ED-137B)",
"rtp.ext.ed137b.ft.climax_ddc.mam",
FT_NONE,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tqg,
{
"Time Quality GRS",
"rtp.ext.ed137b.ft.climax_ddc.mam_tqg",
FT_UINT24,
BASE_DEC,
VALS(rtp_ext_ed137b_ft_climax_ddc_time_quality),
0x800000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_mam_t1,
{
"T1",
"rtp.ext.ed137b.ft.climax_ddc.mam_t1",
FT_UINT24,
BASE_DEC,
NULL,
0x7FFFFF,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_mam_nmr,
{
"New measurement requested",
"rtp.ext.ed137b.ft.climax_ddc.mam_nmr",
FT_UINT24,
BASE_DEC,
VALS(rtp_ext_ed137b_ft_climax_ddc_mam_nmr),
0x800000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_mam_t2,
{
"T2",
"rtp.ext.ed137b.ft.climax_ddc.mam_t2",
FT_UINT24,
BASE_DEC,
NULL,
0x7FFFFF,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tsd,
{
"Tsd",
"rtp.ext.ed137b.ft.climax_ddc.mam_tsd",
FT_UINT16,
BASE_DEC,
NULL,
0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tj1,
{
"Tj1",
"rtp.ext.ed137b.ft.climax_ddc.mam_tj1",
FT_UINT16,
BASE_DEC,
NULL,
0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137b_ft_climax_ddc_mam_tid,
{
"Tid",
"rtp.ext.ed137b.ft.climax_ddc.mam_tid",
FT_UINT16,
BASE_DEC,
NULL,
0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137c_ft_climax_ddc_mam,
{
"CLIMAX Dynamic Delay Compensation MAM Response (ED-137C)",
"rtp.ext.ed137c.ft.climax_ddc.mam",
FT_NONE,
BASE_NONE,
NULL,
0x0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tqg,
{
"Time Quality GRS",
"rtp.ext.ed137c.ft.climax_ddc.mam_tqg",
FT_UINT24,
BASE_DEC,
VALS(rtp_ext_ed137c_ft_climax_ddc_time_quality),
0x800000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137c_ft_climax_ddc_mam_t1,
{
"T1",
"rtp.ext.ed137c.ft.climax_ddc.mam_t1",
FT_UINT24,
BASE_DEC,
NULL,
0x7FFFFF,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137c_ft_climax_ddc_mam_nmr,
{
"New measurement requested",
"rtp.ext.ed137c.ft.climax_ddc.mam_nmr",
FT_UINT24,
BASE_DEC,
VALS(rtp_ext_ed137c_ft_climax_ddc_mam_nmr),
0x800000,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137c_ft_climax_ddc_mam_t2,
{
"T2",
"rtp.ext.ed137c.ft.climax_ddc.mam_t2",
FT_UINT24,
BASE_DEC,
NULL,
0x7FFFFF,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tsd,
{
"Tsd",
"rtp.ext.ed137c.ft.climax_ddc.mam_tsd",
FT_UINT16,
BASE_DEC,
NULL,
0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tj1,
{
"Tj1",
"rtp.ext.ed137c.ft.climax_ddc.mam_tj1",
FT_UINT16,
BASE_DEC,
NULL,
0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137c_ft_climax_ddc_mam_tid,
{
"Tid",
"rtp.ext.ed137c.ft.climax_ddc.mam_tid",
FT_UINT16,
BASE_DEC,
NULL,
0,
NULL, HFILL
}
},
{
&hf_rtp_hdr_ed137c_ft_climax_ddc_mam_ts2,
{
"Ts2",
"rtp.ext.ed137c.ft.climax_ddc.mam_ts2",
FT_UINT16,
BASE_DEC,
NULL,
0,
NULL, HFILL
}
},
};
static gint *ett[] =
{
&ett_hdr_ext_ed137s,
&ett_hdr_ext_ed137,
&ett_hdr_ext_ed137_add,
&ett_hdr_ext_ed137a,
&ett_hdr_ext_ed137a_add,
};
proto_rtp_ed137 = proto_register_protocol("Real-Time Transport Protocol ED137 Extensions", "RTP-ED137", "rtp.ext.ed137");
proto_register_field_array(proto_rtp_ed137, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
rtp_hdr_ext_ed137_handle = register_dissector("rtp.ext.ed137", dissect_rtp_hdr_ext_ed137, proto_rtp_ed137);
rtp_hdr_ext_ed137a_handle = register_dissector("rtp.ext.ed137a", dissect_rtp_hdr_ext_ed137a, proto_rtp_ed137);
}
void
proto_reg_handoff_rtp_ed137(void)
{
static gboolean prefs_initialized = FALSE;
if (!prefs_initialized) {
dissector_add_uint("rtp.hdr_ext", RTP_ED137_SIG, rtp_hdr_ext_ed137_handle);
dissector_add_uint("rtp.hdr_ext", RTP_ED137A_SIG, rtp_hdr_ext_ed137a_handle);
prefs_initialized = TRUE;
}
}
/*
* 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:
*/