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/** @file
*
* LTE RLC stream statistics
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __TAP_RLC_GRAPH_H__
#define __TAP_RLC_GRAPH_H__
#include <epan/epan.h>
#include <epan/packet.h>
#include <cfile.h>
#include <epan/dissectors/packet-rlc-lte.h>
#include <epan/dissectors/packet-rlc-3gpp-common.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct rlc_segment {
struct rlc_segment *next;
uint32_t num; /* framenum */
time_t rel_secs;
uint32_t rel_usecs;
bool isControlPDU;
uint32_t SN;
uint16_t isResegmented;
uint32_t ACKNo;
uint16_t noOfNACKs;
uint32_t NACKs[MAX_NACKs];
uint16_t pduLength;
uint8_t rat;
uint16_t ueid;
uint16_t channelType;
uint16_t channelId;
uint8_t rlcMode;
uint8_t direction;
uint16_t sequenceNumberLength;
};
/* A collection of channels that may be found in one frame. Used when working out
which channel(s) are present in a frame. */
typedef struct _th_t {
int num_hdrs;
#define MAX_SUPPORTED_CHANNELS 8
rlc_3gpp_tap_info *rlchdrs[MAX_SUPPORTED_CHANNELS];
} th_t;
struct rlc_graph {
/* List of segments to show */
struct rlc_segment *segments;
struct rlc_segment *last_segment;
/* These are filled in with the channel/direction this graph is showing */
bool channelSet;
uint8_t rat;
uint16_t ueid;
uint16_t channelType;
uint16_t channelId;
uint8_t rlcMode;
uint8_t direction;
};
bool rlc_graph_segment_list_get(capture_file *cf, struct rlc_graph *tg, bool stream_known,
char **err_string);
void rlc_graph_segment_list_free(struct 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);
rlc_3gpp_tap_info *select_rlc_lte_session(capture_file *cf, struct rlc_segment *hdrs,
char **err_msg);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
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