ui/tap-rlc-graph.h

   1 /* tap-rlc-stream.h
   2  * LTE RLC stream statistics
   3  *
   4  * Wireshark - Network traffic analyzer
   5  * By Gerald Combs <gerald@wireshark.org>
   6  * Copyright 1998 Gerald Combs
   7  *
   8  * SPDX-License-Identifier: GPL-2.0-or-later
   9  */
  10
  11 #ifndef __TAP_RLC_GRAPH_H__
  12 #define __TAP_RLC_GRAPH_H__
  13
  14 #ifdef __cplusplus
  15 extern "C" {
  16 #endif /* __cplusplus */
  17
  18 #include <epan/epan.h>
  19 #include <epan/packet.h>
  20 #include <cfile.h>
  21 #include <epan/dissectors/packet-rlc-lte.h>
  22
  23 struct rlc_segment {
  24     struct rlc_segment *next;
  25     guint32         num;            /* framenum */
  26     guint32         rel_secs;
  27     guint32         rel_usecs;
  28
  29     gboolean        isControlPDU;
  30     guint16         SN;
  31     guint16         isResegmented;
  32     guint16         ACKNo;
  33     #define MAX_NACKs 128
  34     guint16         noOfNACKs;
  35     guint16         NACKs[MAX_NACKs];
  36     guint16         pduLength;
  37
  38     guint16         ueid;
  39     guint16         channelType;
  40     guint16         channelId;
  41     guint8          rlcMode;
  42     guint8          direction;
  43 };
  44
  45 /* A collection of channels that may be found in one frame.  Used when working out
  46    which channel(s) are present in a frame. */
  47 typedef struct _th_t {
  48     int num_hdrs;
  49     #define MAX_SUPPORTED_CHANNELS 8
  50     rlc_lte_tap_info *rlchdrs[MAX_SUPPORTED_CHANNELS];
  51 } th_t;
  52
  53 struct rlc_graph {
  54     /* List of segments to show */
  55     struct rlc_segment *segments;
  56     struct rlc_segment *last_segment;
  57
  58     /* These are filled in with the channel/direction this graph is showing */
  59     gboolean        channelSet;
  60     guint16         ueid;
  61     guint16         channelType;
  62     guint16         channelId;
  63     guint8          rlcMode;
  64     guint8          direction;
  65 };
  66
  67 gboolean rlc_graph_segment_list_get(capture_file *cf, struct rlc_graph *tg, gboolean stream_known,
  68                                     char **err_string);
  69 void rlc_graph_segment_list_free(struct rlc_graph * );
  70
  71
  72
  73 gboolean compare_rlc_headers(guint16 ueid1, guint16 channelType1, guint16 channelId1, guint8 rlcMode1, guint8 direction1,
  74                             guint16 ueid2, guint16 channelType2, guint16 channelId2, guint8 rlcMode2, guint8 direction2,
  75                             gboolean isControlFrame);
  76 rlc_lte_tap_info *select_rlc_lte_session(capture_file *cf, struct rlc_segment *hdrs,
  77                                          gchar **err_msg);
  78
  79
  80 #ifdef __cplusplus
  81 }
  82 #endif /* __cplusplus */
  83
  84
  85 #endif