epan/dissectors/packet-rmt-common.h

   1 /* packet-rmt-common.h
   2  * Reliable Multicast Transport (RMT)
   3  * Common RMT function definitions
   4  * Copyright 2005, Stefano Pettini <spettini@users.sourceforge.net>
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * SPDX-License-Identifier: GPL-2.0-or-later
  11  */
  12
  13 #ifndef __PACKET_RMT_COMMON__
  14 #define __PACKET_RMT_COMMON__
  15
  16 #include <epan/params.h>
  17
  18 /* LCT preferences */
  19
  20 #define LCT_PREFS_EXT_192_NONE 0
  21 #define LCT_PREFS_EXT_192_FLUTE 1
  22
  23 #define LCT_PREFS_EXT_193_NONE 0
  24 #define LCT_PREFS_EXT_193_FLUTE 1
  25
  26 #define LCT_ATSC3_MODE_DISABLED 0
  27 #define LCT_ATSC3_MODE_AUTO 1
  28 #define LCT_ATSC3_MODE_FORCE 2
  29
  30 extern const enum_val_t enum_lct_ext_192[];
  31 extern const enum_val_t enum_lct_ext_193[];
  32 extern const enum_val_t enum_lct_atsc3_mode[];
  33
  34 /* String tables external references */
  35 extern const value_string string_fec_encoding_id[];
  36
  37
  38 /* Structures to exchange data between RMT dissectors */
  39 /* ============================= */
  40 typedef struct lct_data_exchange
  41 {
  42         /* inputs */
  43         int ext_192;
  44         int ext_193;
  45         bool is_atsc3;
  46
  47         /* outputs */
  48         uint8_t codepoint;
  49         bool is_flute;
  50         bool is_sp; /* is Source Packet? Source Packet Indicator is defined in RFC 5775 */
  51
  52 } lct_data_exchange_t;
  53
  54 typedef struct fec_data_exchange
  55 {
  56         /* inputs */
  57         uint8_t encoding_id;
  58
  59 } fec_data_exchange_t;
  60
  61
  62 /* Common RMT exported functions */
  63 /* ============================= */
  64 extern int lct_ext_decode(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, unsigned offset, unsigned offset_max, lct_data_exchange_t *data_exchange,
  65                    int hfext, int ettext);
  66 extern void fec_decode_ext_fti(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, uint8_t encoding_id);
  67
  68 extern double rmt_decode_send_rate(uint16_t send_rate );
  69
  70 #endif
  71
  72 /*
  73  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
  74  *
  75  * Local variables:
  76  * c-basic-offset: 8
  77  * tab-width: 8
  78  * indent-tabs-mode: t
  79  * End:
  80  *
  81  * vi: set shiftwidth=8 tabstop=8 noexpandtab:
  82  * :indentSize=8:tabSize=8:noTabs=false:
  83  */