tap-rlc-graph.h File Reference

#include <epan/epan.h>
#include <epan/packet.h>
#include <epan/cfile.h>
#include <epan/dissectors/packet-rlc-lte.h>
#include <epan/dissectors/packet-rlc-3gpp-common.h>

Go to the source code of this file.

Classes
struct	rlc_segment
	Represents a single RLC PDU or control segment captured from the air interface. More...
struct	_th_t
	Accumulates all RLC channel headers found within a single captured frame. More...
struct	rlc_graph
	Holds all state required to render an RLC sequence-number graph for one channel. More...

Macros
#define	MAX_SUPPORTED_CHANNELS   8

Typedefs
typedef struct _th_t	th_t
	Accumulates all RLC channel headers found within a single captured frame.

Functions
bool	rlc_graph_segment_list_get (capture_file *cf, struct rlc_graph *tg, bool stream_known, char **err_string)
	Retrieves a list of RLC segments from a capture file.
void	rlc_graph_segment_list_free (struct rlc_graph *g)
	Frees the list of RLC segments in the given RLC graph.
bool	compare_rlc_headers (uint8_t rat1, uint8_t rat2, uint16_t ueid1, uint16_t channelType1, uint16_t channelId1, uint8_t rlcMode1, uint8_t direction1, uint16_t ueid2, uint16_t channelType2, uint16_t channelId2, uint8_t rlcMode2, uint8_t direction2, bool isControlFrame)
	Compares two RLC headers for equality.
rlc_3gpp_tap_info *	select_rlc_lte_session (capture_file *cf, struct rlc_segment *hdrs, char **err_msg)
	Selects an RLC LTE session from a capture file.

Detailed Description

LTE RLC stream statistics

Wireshark - Network traffic analyzer By Gerald Combs geral.nosp@m.d@wi.nosp@m.resha.nosp@m.rk.o.nosp@m.rg Copyright 1998 Gerald Combs

SPDX-License-Identifier: GPL-2.0-or-later

Function Documentation

compare_rlc_headers()

bool compare_rlc_headers	(	uint8_t	rat1,
		uint8_t	rat2,
		uint16_t	ueid1,
		uint16_t	channelType1,
		uint16_t	channelId1,
		uint8_t	rlcMode1,
		uint8_t	direction1,
		uint16_t	ueid2,
		uint16_t	channelType2,
		uint16_t	channelId2,
		uint8_t	rlcMode2,
		uint8_t	direction2,
		bool	isControlFrame )

Compares two RLC headers for equality.

This function compares two RLC (Radio Link Control) headers based on their parameters. It checks if the headers are equal, considering both data and control frames.

Parameters

rat1	Radio Access Technology of the first header.
rat2	Radio Access Technology of the second header.
ueid1	User Equipment ID of the first header.
channelType1	Channel type of the first header.
channelId1	Channel ID of the first header.
rlcMode1	RLC mode of the first header.
direction1	Direction of the first header (0 for uplink, 1 for downlink).
ueid2	User Equipment ID of the second header.
channelType2	Channel type of the second header.
channelId2	Channel ID of the second header.
rlcMode2	RLC mode of the second header.
direction2	Direction of the second header (0 for uplink, 1 for downlink).
isControlFrame	Indicates if the frame is a control frame.

Returns

true if the headers are equal, false otherwise.

rlc_graph_segment_list_free()

void rlc_graph_segment_list_free

(

struct rlc_graph *

g

)

Frees the list of RLC segments in the given RLC graph.

Parameters

g	Pointer to the RLC graph structure whose segments are to be freed.

rlc_graph_segment_list_get()

bool rlc_graph_segment_list_get	(	capture_file *	cf,
		struct rlc_graph *	tg,
		bool	stream_known,
		char **	err_string )

Retrieves a list of RLC segments from a capture file.

Parameters

cf	Pointer to the capture file.
tg	Pointer to the RLC graph structure.
stream_known	Indicates if the stream is already known.
err_string	Pointer to an error string (if any).

Returns

true if successful, false otherwise.

select_rlc_lte_session()

rlc_3gpp_tap_info * select_rlc_lte_session	(	capture_file *	cf,
		struct rlc_segment *	hdrs,
		char **	err_msg )

Selects an RLC LTE session from a capture file.

This function selects an RLC LTE session based on the current frame in the capture file and filters for RLC-LTE or RLC-NR packets.

Parameters

cf	The capture file containing the data.
hdrs	The RLC segment headers.
err_msg	A pointer to a string that will hold any error message if an error occurs.

Returns

An rlc_3gpp_tap_info structure representing the selected RLC LTE session, or NULL if no valid session is found.