contrib/tcpdump/rx.h

   1 /*
   2  * Copyright: (c) 2000 United States Government as represented by the
   3  *      Secretary of the Navy. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  *   1. Redistributions of source code must retain the above copyright
  10  *      notice, this list of conditions and the following disclaimer.
  11  *   2. Redistributions in binary form must reproduce the above copyright
  12  *      notice, this list of conditions and the following disclaimer in
  13  *      the documentation and/or other materials provided with the
  14  *      distribution.
  15  *   3. The names of the authors may not be used to endorse or promote
  16  *      products derived from this software without specific prior
  17  *      written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  22  */
  23 /*
  24  * Rx protocol format
  25  *
  26  * $Id: rx.h,v 1.8 2002-12-11 07:14:11 guy Exp $
  27  */
  28
  29 #define FS_RX_PORT      7000
  30 #define CB_RX_PORT      7001
  31 #define PROT_RX_PORT    7002
  32 #define VLDB_RX_PORT    7003
  33 #define KAUTH_RX_PORT   7004
  34 #define VOL_RX_PORT     7005
  35 #define ERROR_RX_PORT   7006            /* Doesn't seem to be used */
  36 #define BOS_RX_PORT     7007
  37
  38 #ifndef AFSNAMEMAX
  39 #define AFSNAMEMAX 256
  40 #endif
  41
  42 #ifndef AFSOPAQUEMAX
  43 #define AFSOPAQUEMAX 1024
  44 #endif
  45
  46 #define PRNAMEMAX 64
  47 #define VLNAMEMAX 65
  48 #define KANAMEMAX 64
  49 #define BOSNAMEMAX 256
  50
  51 #define PRSFS_READ              1 /* Read files */
  52 #define PRSFS_WRITE             2 /* Write files */
  53 #define PRSFS_INSERT            4 /* Insert files into a directory */
  54 #define PRSFS_LOOKUP            8 /* Lookup files into a directory */
  55 #define PRSFS_DELETE            16 /* Delete files */
  56 #define PRSFS_LOCK              32 /* Lock files */
  57 #define PRSFS_ADMINISTER        64 /* Change ACL's */
  58
  59 struct rx_header {
  60         u_int32_t epoch;
  61         u_int32_t cid;
  62         u_int32_t callNumber;
  63         u_int32_t seq;
  64         u_int32_t serial;
  65         u_int8_t type;
  66 #define RX_PACKET_TYPE_DATA             1
  67 #define RX_PACKET_TYPE_ACK              2
  68 #define RX_PACKET_TYPE_BUSY             3
  69 #define RX_PACKET_TYPE_ABORT            4
  70 #define RX_PACKET_TYPE_ACKALL           5
  71 #define RX_PACKET_TYPE_CHALLENGE        6
  72 #define RX_PACKET_TYPE_RESPONSE         7
  73 #define RX_PACKET_TYPE_DEBUG            8
  74 #define RX_PACKET_TYPE_PARAMS           9
  75 #define RX_PACKET_TYPE_VERSION          13
  76         u_int8_t flags;
  77 #define RX_CLIENT_INITIATED     1
  78 #define RX_REQUEST_ACK          2
  79 #define RX_LAST_PACKET          4
  80 #define RX_MORE_PACKETS         8
  81 #define RX_FREE_PACKET          16
  82 #define RX_SLOW_START_OK        32
  83 #define RX_JUMBO_PACKET         32
  84         u_int8_t userStatus;
  85         u_int8_t securityIndex;
  86         u_int16_t spare;                /* How clever: even though the AFS */
  87         u_int16_t serviceId;            /* header files indicate that the */
  88 };                                      /* serviceId is first, it's really */
  89                                         /* encoded _after_ the spare field */
  90                                         /* I wasted a day figuring that out! */
  91
  92 #define NUM_RX_FLAGS 7
  93
  94 #define RX_MAXACKS 255
  95
  96 struct rx_ackPacket {
  97         u_int16_t bufferSpace;          /* Number of packet buffers available */
  98         u_int16_t maxSkew;              /* Max diff between ack'd packet and */
  99                                         /* highest packet received */
 100         u_int32_t firstPacket;          /* The first packet in ack list */
 101         u_int32_t previousPacket;       /* Previous packet recv'd (obsolete) */
 102         u_int32_t serial;               /* # of packet that prompted the ack */
 103         u_int8_t reason;                /* Reason for acknowledgement */
 104         u_int8_t nAcks;                 /* Number of acknowledgements */
 105         u_int8_t acks[RX_MAXACKS];      /* Up to RX_MAXACKS acknowledgements */
 106 };
 107
 108 /*
 109  * Values for the acks array
 110  */
 111
 112 #define RX_ACK_TYPE_NACK        0       /* Don't have this packet */
 113 #define RX_ACK_TYPE_ACK         1       /* I have this packet */