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/*
* Rx protocol format
*
* $Id: rx.h,v 1.3 2000/10/03 02:55:02 itojun Exp $
*/
#define FS_RX_PORT 7000
#define CB_RX_PORT 7001
#define PROT_RX_PORT 7002
#define VLDB_RX_PORT 7003
#define KAUTH_RX_PORT 7004
#define VOL_RX_PORT 7005
#define ERROR_RX_PORT 7006 /* Doesn't seem to be used */
#define BOS_RX_PORT 7007
#ifndef AFSNAMEMAX
#define AFSNAMEMAX 256
#endif
#ifndef AFSOPAQUEMAX
#define AFSOPAQUEMAX 1024
#endif
#define PRNAMEMAX 64
#define VLNAMEMAX 65
#define KANAMEMAX 64
#define BOSNAMEMAX 256
#define PRSFS_READ 1 /* Read files */
#define PRSFS_WRITE 2 /* Write files */
#define PRSFS_INSERT 4 /* Insert files into a directory */
#define PRSFS_LOOKUP 8 /* Lookup files into a directory */
#define PRSFS_DELETE 16 /* Delete files */
#define PRSFS_LOCK 32 /* Lock files */
#define PRSFS_ADMINISTER 64 /* Change ACL's */
struct rx_header {
u_int32_t epoch;
u_int32_t cid;
u_int32_t callNumber;
u_int32_t seq;
u_int32_t serial;
u_int8_t type;
#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
u_int8_t flags;
#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
u_int8_t userStatus;
u_int8_t securityIndex;
u_int16_t spare; /* How clever: even though the AFS */
u_int16_t serviceId; /* header files indicate that the */
}; /* serviceId is first, it's really */
/* encoded _after_ the spare field */
/* I wasted a day figuring that out! */
#define NUM_RX_FLAGS 5
#define RX_MAXACKS 255
struct rx_ackPacket {
u_int16_t bufferSpace; /* Number of packet buffers available */
u_int16_t maxSkew; /* Max diff between ack'd packet and */
/* highest packet received */
u_int32_t firstPacket; /* The first packet in ack list */
u_int32_t previousPacket; /* Previous packet recv'd (obsolete) */
u_int32_t serial; /* # of packet that prompted the ack */
u_int8_t reason; /* Reason for acknowledgement */
u_int8_t nAcks; /* Number of acknowledgements */
u_int8_t acks[RX_MAXACKS]; /* Up to RX_MAXACKS acknowledgements */
};
/*
* Values for the acks array
*/
#define RX_ACK_TYPE_NACK 0 /* Don't have this packet */
#define RX_ACK_TYPE_ACK 1 /* I have this packet */
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