packet-rx.h

/* packet-rx.h
 * Definitions for packet disassembly structures and routines
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <[email protected]>
 * Copyright 1998 Gerald Combs
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef PACKET_RX_H
#define PACKET_RX_H
 
/*
 * Private data passed from the RX dissector to the AFS dissector.
 */
struct rxinfo {
    uint8_t type;
    uint8_t flags;
    uint16_t    serviceid;
    uint32_t    epoch;
    uint32_t    cid;
    uint32_t    callnumber;
    uint32_t    seq;
};
 
/*
 * RX protocol definitions.
 */
 
/*
 * Packet types.
 */
#define RX_PACKET_TYPE_DATA     1
#define RX_PACKET_TYPE_ACK      2
#define RX_PACKET_TYPE_BUSY     3
#define RX_PACKET_TYPE_ABORT        4
#define RX_PACKET_TYPE_ACKALL       5
#define RX_PACKET_TYPE_CHALLENGE    6
#define RX_PACKET_TYPE_RESPONSE     7
#define RX_PACKET_TYPE_DEBUG        8
#define RX_PACKET_TYPE_PARAMS       9
#define RX_PACKET_TYPE_VERSION      13
 
/*
 * Flag bits in the RX header.
 */
#define RX_CLIENT_INITIATED 1
#define RX_REQUEST_ACK 2
#define RX_LAST_PACKET 4
#define RX_MORE_PACKETS 8
#define RX_FREE_PACKET 16
#define RX_SLOW_START_OR_JUMBO 32
 
#define RX_ACK_TYPE_NACK 0
#define RX_ACK_TYPE_ACK 1
 
/* ACK reasons */
#define RX_ACK_REQUESTED 1
#define RX_ACK_DUPLICATE 2
#define RX_ACK_OUT_OF_SEQUENCE 3
#define RX_ACK_EXEEDS_WINDOW 4
#define RX_ACK_NOSPACE 5
#define RX_ACK_PING 6
#define RX_ACK_PING_RESPONSE 7
#define RX_ACK_DELAY 8
#define RX_ACK_IDLE 9
 
#define RX_MAXCALLS 4
 
#endif