ui/tap-rlc-graph.h

   1 /** @file
   2  *
   3  * LTE RLC stream statistics
   4  *
   5  * Wireshark - Network traffic analyzer
   6  * By Gerald Combs <gerald@wireshark.org>
   7  * Copyright 1998 Gerald Combs
   8  *
   9  * SPDX-License-Identifier: GPL-2.0-or-later
  10  */
  11
  12 #ifndef __TAP_RLC_GRAPH_H__
  13 #define __TAP_RLC_GRAPH_H__
  14
  15 #include <epan/epan.h>
  16 #include <epan/packet.h>
  17 #include <cfile.h>
  18 #include <epan/dissectors/packet-rlc-lte.h>
  19 #include <epan/dissectors/packet-rlc-3gpp-common.h>
  20
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif /* __cplusplus */
  24
  25 struct rlc_segment {
  26     struct rlc_segment *next;
  27     uint32_t        num;            /* framenum */
  28     time_t          rel_secs;
  29     uint32_t        rel_usecs;
  30
  31     bool            isControlPDU;
  32     uint32_t        SN;
  33     uint16_t        isResegmented;
  34     uint32_t        ACKNo;
  35     uint16_t        noOfNACKs;
  36     uint32_t        NACKs[MAX_NACKs];
  37     uint16_t        pduLength;
  38
  39     uint8_t         rat;
  40     uint16_t        ueid;
  41     uint16_t        channelType;
  42     uint16_t        channelId;
  43     uint8_t         rlcMode;
  44     uint8_t         direction;
  45     uint16_t        sequenceNumberLength;
  46 };
  47
  48 /* A collection of channels that may be found in one frame.  Used when working out
  49    which channel(s) are present in a frame. */
  50 typedef struct _th_t {
  51     int num_hdrs;
  52     #define MAX_SUPPORTED_CHANNELS 8
  53     rlc_3gpp_tap_info *rlchdrs[MAX_SUPPORTED_CHANNELS];
  54 } th_t;
  55
  56 struct rlc_graph {
  57     /* List of segments to show */
  58     struct rlc_segment *segments;
  59     struct rlc_segment *last_segment;
  60
  61     /* These are filled in with the channel/direction this graph is showing */
  62     bool            channelSet;
  63
  64     uint8_t         rat;
  65     uint16_t        ueid;
  66     uint16_t        channelType;
  67     uint16_t        channelId;
  68     uint8_t         rlcMode;
  69     uint8_t         direction;
  70 };
  71
  72 bool rlc_graph_segment_list_get(capture_file *cf, struct rlc_graph *tg, bool stream_known,
  73                                     char **err_string);
  74 void rlc_graph_segment_list_free(struct rlc_graph * );
  75
  76
  77
  78 bool compare_rlc_headers(uint8_t rat1, uint8_t rat2,
  79                              uint16_t ueid1, uint16_t channelType1, uint16_t channelId1, uint8_t rlcMode1, uint8_t direction1,
  80                              uint16_t ueid2, uint16_t channelType2, uint16_t channelId2, uint8_t rlcMode2, uint8_t direction2,
  81                              bool isControlFrame);
  82 rlc_3gpp_tap_info *select_rlc_lte_session(capture_file *cf, struct rlc_segment *hdrs,
  83                                          char **err_msg);
  84
  85
  86 #ifdef __cplusplus
  87 }
  88 #endif /* __cplusplus */
  89
  90
  91 #endif