epan/dissectors/packet-rx.h

   1 /* packet-rx.h
   2  * Definitions for packet disassembly structures and routines
   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 PACKET_RX_H
  12 #define PACKET_RX_H
  13
  14 /*
  15  * Private data passed from the RX dissector to the AFS dissector.
  16  */
  17 struct rxinfo {
  18         uint8_t type;
  19         uint8_t flags;
  20         uint16_t        serviceid;
  21         uint32_t        epoch;
  22         uint32_t        cid;
  23         uint32_t        callnumber;
  24         uint32_t        seq;
  25 };
  26
  27 /*
  28  * RX protocol definitions.
  29  */
  30
  31 /*
  32  * Packet types.
  33  */
  34 #define RX_PACKET_TYPE_DATA             1
  35 #define RX_PACKET_TYPE_ACK              2
  36 #define RX_PACKET_TYPE_BUSY             3
  37 #define RX_PACKET_TYPE_ABORT            4
  38 #define RX_PACKET_TYPE_ACKALL           5
  39 #define RX_PACKET_TYPE_CHALLENGE        6
  40 #define RX_PACKET_TYPE_RESPONSE         7
  41 #define RX_PACKET_TYPE_DEBUG            8
  42 #define RX_PACKET_TYPE_PARAMS           9
  43 #define RX_PACKET_TYPE_VERSION          13
  44
  45 /*
  46  * Flag bits in the RX header.
  47  */
  48 #define RX_CLIENT_INITIATED 1
  49 #define RX_REQUEST_ACK 2
  50 #define RX_LAST_PACKET 4
  51 #define RX_MORE_PACKETS 8
  52 #define RX_FREE_PACKET 16
  53 #define RX_SLOW_START_OR_JUMBO 32
  54
  55 #define RX_ACK_TYPE_NACK 0
  56 #define RX_ACK_TYPE_ACK 1
  57
  58 /* ACK reasons */
  59 #define RX_ACK_REQUESTED 1
  60 #define RX_ACK_DUPLICATE 2
  61 #define RX_ACK_OUT_OF_SEQUENCE 3
  62 #define RX_ACK_EXEEDS_WINDOW 4
  63 #define RX_ACK_NOSPACE 5
  64 #define RX_ACK_PING 6
  65 #define RX_ACK_PING_RESPONSE 7
  66 #define RX_ACK_DELAY 8
  67 #define RX_ACK_IDLE 9
  68
  69 #define RX_MAXCALLS     4
  70
  71 #endif