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   1 /*
   2  * Rx protocol format
   3  *
   4  * $Id: rx.h,v 1.4 2001-09-09 01:41:50 guy Exp $
   5  */
   6
   7 #define FS_RX_PORT      7000
   8 #define CB_RX_PORT      7001
   9 #define PROT_RX_PORT    7002
  10 #define VLDB_RX_PORT    7003
  11 #define KAUTH_RX_PORT   7004
  12 #define VOL_RX_PORT     7005
  13 #define ERROR_RX_PORT   7006            /* Doesn't seem to be used */
  14 #define BOS_RX_PORT     7007
  15
  16 #ifndef AFSNAMEMAX
  17 #define AFSNAMEMAX 256
  18 #endif
  19
  20 #ifndef AFSOPAQUEMAX
  21 #define AFSOPAQUEMAX 1024
  22 #endif
  23
  24 #define PRNAMEMAX 64
  25 #define VLNAMEMAX 65
  26 #define KANAMEMAX 64
  27 #define BOSNAMEMAX 256
  28
  29 #define PRSFS_READ              1 /* Read files */
  30 #define PRSFS_WRITE             2 /* Write files */
  31 #define PRSFS_INSERT            4 /* Insert files into a directory */
  32 #define PRSFS_LOOKUP            8 /* Lookup files into a directory */
  33 #define PRSFS_DELETE            16 /* Delete files */
  34 #define PRSFS_LOCK              32 /* Lock files */
  35 #define PRSFS_ADMINISTER        64 /* Change ACL's */
  36
  37 struct rx_header {
  38         u_int32_t epoch;
  39         u_int32_t cid;
  40         u_int32_t callNumber;
  41         u_int32_t seq;
  42         u_int32_t serial;
  43         u_int8_t type;
  44 #define RX_PACKET_TYPE_DATA             1
  45 #define RX_PACKET_TYPE_ACK              2
  46 #define RX_PACKET_TYPE_BUSY             3
  47 #define RX_PACKET_TYPE_ABORT            4
  48 #define RX_PACKET_TYPE_ACKALL           5
  49 #define RX_PACKET_TYPE_CHALLENGE        6
  50 #define RX_PACKET_TYPE_RESPONSE         7
  51 #define RX_PACKET_TYPE_DEBUG            8
  52 #define RX_PACKET_TYPE_PARAMS           9
  53 #define RX_PACKET_TYPE_VERSION          13
  54         u_int8_t flags;
  55 #define RX_CLIENT_INITIATED     1
  56 #define RX_REQUEST_ACK          2
  57 #define RX_LAST_PACKET          4
  58 #define RX_MORE_PACKETS         8
  59 #define RX_FREE_PACKET          16
  60 #define RX_SLOW_START_OK        32
  61 #define RX_JUMBO_PACKET         32
  62         u_int8_t userStatus;
  63         u_int8_t securityIndex;
  64         u_int16_t spare;                /* How clever: even though the AFS */
  65         u_int16_t serviceId;            /* header files indicate that the */
  66 };                                      /* serviceId is first, it's really */
  67                                         /* encoded _after_ the spare field */
  68                                         /* I wasted a day figuring that out! */
  69
  70 #define NUM_RX_FLAGS 7
  71
  72 #define RX_MAXACKS 255
  73
  74 struct rx_ackPacket {
  75         u_int16_t bufferSpace;          /* Number of packet buffers available */
  76         u_int16_t maxSkew;              /* Max diff between ack'd packet and */
  77                                         /* highest packet received */
  78         u_int32_t firstPacket;          /* The first packet in ack list */
  79         u_int32_t previousPacket;       /* Previous packet recv'd (obsolete) */
  80         u_int32_t serial;               /* # of packet that prompted the ack */
  81         u_int8_t reason;                /* Reason for acknowledgement */
  82         u_int8_t nAcks;                 /* Number of acknowledgements */
  83         u_int8_t acks[RX_MAXACKS];      /* Up to RX_MAXACKS acknowledgements */
  84 };
  85
  86 /*
  87  * Values for the acks array
  88  */
  89
  90 #define RX_ACK_TYPE_NACK        0       /* Don't have this packet */
  91 #define RX_ACK_TYPE_ACK         1       /* I have this packet */