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 */ 114