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/* packet-umts_fp.h
*
* Martin Mathieson
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <epan/conversation.h>
/* Channel types */
#define CHANNEL_UNKNOWN 0
#define CHANNEL_RACH_FDD 1
#define CHANNEL_RACH_TDD 2
#define CHANNEL_FACH_FDD 3
#define CHANNEL_FACH_TDD 4
#define CHANNEL_DSCH_FDD 5 /* DSCH Downlink Shared Channel */
#define CHANNEL_DSCH_TDD 6
#define CHANNEL_USCH_TDD_384 8
#define CHANNEL_USCH_TDD_128 24
#define CHANNEL_PCH 9
#define CHANNEL_CPCH 10
#define CHANNEL_BCH 11
#define CHANNEL_DCH 12 /* DCH Dedicated Transport Channel */
#define CHANNEL_HSDSCH 13 /* HS-DSCH - High Speed Downlink Shared Channel */
#define CHANNEL_IUR_CPCHF 14
#define CHANNEL_IUR_FACH 15
#define CHANNEL_IUR_DSCH 16
#define CHANNEL_EDCH 17 /* E-DCH Enhanced DCH */
#define CHANNEL_RACH_TDD_128 18
#define CHANNEL_HSDSCH_COMMON 19 /* HS-DSCH - High Speed Downlink Shared Channel */
#define CHANNEL_HSDSCH_COMMON_T3 20
#define CHANNEL_EDCH_COMMON 21
/* Constants */
#define MAX_FP_CHANS 64
#define MAX_EDCH_DDIS 16
#define MAX_NUM_HSDHSCH_MACDFLOW 8
#define FP_maxNrOfDCHs 128 /* From NBAP-Constants.asn */
enum fp_interface_type
{
IuB_Interface,
IuR_Interface
};
enum division_type
{
Division_FDD = 1,
Division_TDD_384 = 2,
Division_TDD_128 = 3,
Division_TDD_768 = 4
};
enum fp_hsdsch_entity
{
entity_not_specified = 0,
hs = 1,
ehs = 2
};
enum fp_link_type
{
FP_Link_Unknown,
FP_Link_ATM,
FP_Link_Ethernet
};
enum fp_rlc_mode {
FP_RLC_MODE_UNKNOWN,
FP_RLC_TM,
FP_RLC_UM,
FP_RLC_AM
};
typedef struct
{
int num_ul_chans;
int ul_chan_tf_size[MAX_FP_CHANS];
int ul_chan_num_tbs[MAX_FP_CHANS];
int num_dl_chans;
int dl_chan_tf_size[MAX_FP_CHANS];
int dl_chan_num_tbs[MAX_FP_CHANS];
} fp_dch_channel_info_t;
/****************************************/
/* Channel Specific Information Structs */
/****************/
/* FACH Structs */
typedef struct fp_crnti_allocation_info_t
{
uint32_t alloc_frame_number; /* Frame where C-RNTI was allocated */
uint32_t urnti; /* The U-RNTI to which the C-RNTI was allocated*/
uint32_t global_retrieval_count; /* How many times this alloc info was retrieved for FACH channels*/
} fp_crnti_allocation_info_t;
/* Used in the 'channel_specific_info' field for FACH channels */
typedef struct fp_fach_channel_info_t
{
/* Key: (uint32_t) C-RNTI */
/* Value: (fp_crnti_allocation_info_t) U-RNTI allocation info */
wmem_tree_t* crnti_to_urnti_map; /* Mapping between C-RNTIs and U-RNTIs using them in this FACH */
} fp_fach_channel_info_t;
/****************/
/* RACH Structs */
/* Used in the 'channel_specific_info' field for RACH channels */
typedef struct fp_rach_channel_info_t
{
/* Key: (uint32_t) C-RNTI */
/* Value: (fp_crnti_allocation_info_t) U-RNTI allocation info */
wmem_tree_t* crnti_to_urnti_map; /* Mapping between C-RNTIs and U-RNTIs using them in this RACH */
} fp_rach_channel_info_t;
/****************/
/* PCH Structs */
/* Information about the Paging Indication Bitmap seen in a specific PCH frame*/
typedef struct paging_indications_info_t
{
uint32_t frame_number;
uint8_t* paging_indications_bitmap;
} paging_indications_info_t;
/* Used in the 'channel_specific_info' field for PCH channels */
typedef struct fp_pch_channel_info_t
{
/*Size of the Paging Indication field in this PCH*/
int paging_indications;
/* Information from the previous frame in this field which contained the paging indication field*/
paging_indications_info_t* last_paging_indication_info;
} fp_pch_channel_info_t;
/*****************/
/* E-DCH Structs */
/* Used in the 'channel_specific_info' field for E-DCH channels */
typedef struct fp_edch_channel_info_t
{
int no_ddi_entries;
uint8_t edch_ddi[MAX_EDCH_DDIS];
unsigned edch_macd_pdu_size[MAX_EDCH_DDIS];
uint8_t edch_lchId[MAX_EDCH_DDIS];
uint8_t edch_type; /* 1 means T2 */
} fp_edch_channel_info_t;
/*******************/
/* HS-DSCH Structs */
/* Used in the 'channel_specific_info' field for HS-DSCH channels */
typedef struct fp_hsdsch_channel_info_t
{
enum fp_hsdsch_entity hsdsch_entity;
uint8_t common_macdflow_id;
uint8_t hsdsch_macdflow_id;
unsigned hrnti; /*Used for tracking a HS-DSCH flow*/
} fp_hsdsch_channel_info_t;
/************************/
/* FP Conversation Data */
typedef struct
{
enum fp_interface_type iface_type;
enum division_type division;
int channel; /* see Channel types definitions above */
enum fp_rlc_mode rlc_mode;
uint32_t dl_frame_number; /* the frame where this conversation is started from CRNC */
uint32_t ul_frame_number; /* the frame where this conversation is started from Node B */
address crnc_address;
uint16_t crnc_port;
unsigned urnti; /* Identifies a single UE in the UTRAN. Used for tracking it's RLC session across different transport channels */
int com_context_id; /* Identifies a single UE in all NBAP messages */
uint32_t scrambling_code; /* Identifies a single UE's radio transmissions in the UTRAN */
void* channel_specific_info; /* Extended channel info based on the channel type */
/* DCH's in this flow */
int num_dch_in_flow;
int dch_ids_in_flow_list[FP_maxNrOfDCHs];
/* DCH type channel data */
fp_dch_channel_info_t fp_dch_channel_info[FP_maxNrOfDCHs];
uint8_t dch_crc_present; /* 0=No, 1=Yes, 2=Unknown */
bool reset_frag; /*Used to indicate that a stream has been reconfigured, hence we need to reset the fragtable*/
uint32_t cfn;
uint32_t cfn_index;
} umts_fp_conversation_info_t;
/********************************/
/* FP Packet Data */
/* (attached to each FP packet) */
typedef struct fp_info
{
enum fp_interface_type iface_type;
enum division_type division;
uint8_t release; /* e.g. 99, 4, 5, 6, 7 */
uint16_t release_year; /* e.g. 2001 */
uint8_t release_month; /* e.g. 12 for December */
bool is_uplink;
int channel; /* see Channel types definitions above */
uint8_t dch_crc_present; /* 0=No, 1=Yes, 2=Unknown */
int num_chans;
int chan_tf_size[MAX_FP_CHANS];
int chan_num_tbs[MAX_FP_CHANS];
int no_ddi_entries;
uint8_t edch_ddi[MAX_EDCH_DDIS];
unsigned edch_macd_pdu_size[MAX_EDCH_DDIS];
unsigned edch_lchId[MAX_EDCH_DDIS]; /* Logical Channel Id for E-DCH*/
uint8_t edch_type; /* 1 means T2 */
int cur_tb; /* current transport block (required for dissecting of single TBs */
int cur_chan; /* current channel, required to retrieve the correct channel configuration for UMTS MAC */
int com_context_id; /* Identifies a single UE in the network */
uint16_t srcport, destport;
/* PCH Related data*/
int paging_indications;
paging_indications_info_t* relevant_paging_indications; /* Info from previous frame */
/* Info from the current frame. Used to carry information from this frame to the conversation info */
paging_indications_info_t* current_paging_indications;
/* HSDSCH Related data */
enum fp_hsdsch_entity hsdsch_entity;
int hsdsch_macflowd_id;
bool hsdhsch_macfdlow_is_mux[MAX_NUM_HSDHSCH_MACDFLOW];
enum fp_rlc_mode hsdsch_rlc_mode;
enum fp_link_type link_type;
unsigned urnti; /*Used for tracking a "sequence" over different transport channels*/
bool reset_frag; /*Used to indicate that a stream has been reconfigured, hence we need to reset the fragtable*/
} fp_info;
void set_umts_fp_conv_data(conversation_t *conversation, umts_fp_conversation_info_t *umts_fp_conversation_info);
/*
* 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:
*/
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