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- /* $NetBSD: nfsrtt.h,v 1.2 1994/06/29 06:42:37 cgd Exp $ */
-
- /*
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Rick Macklem at The University of Guelph.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)nfsrtt.h 8.1 (Berkeley) 6/10/93
- */
-
- /*
- * Definitions for performance monitor.
- * The client and server logging are turned on by setting the global
- * constant "nfsrtton" to 1.
- */
- #define NFSRTTLOGSIZ 128
-
- /*
- * Circular log of client side rpc activity. Each log entry is for one
- * rpc filled in upon completion. (ie. in order of completion)
- * The "pos" is the table index for the "next" entry, therefore the
- * list goes from nfsrtt.rttl[pos] --> nfsrtt.rttl[pos - 1] in
- * chronological order of completion.
- */
- struct nfsrtt {
- int pos; /* Position in array for next entry */
- struct rttl {
- int proc; /* NFS procedure number */
- int rtt; /* Measured round trip time */
- int rto; /* Round Trip Timeout */
- int sent; /* # rpcs in progress */
- int cwnd; /* Send window */
- int srtt; /* Ave Round Trip Time */
- int sdrtt; /* Ave mean deviation of RTT */
- fsid_t fsid; /* Fsid for mount point */
- struct timeval tstamp; /* Timestamp of log entry */
- } rttl[NFSRTTLOGSIZ];
- };
-
- /*
- * And definitions for server side performance monitor.
- * The log organization is the same as above except it is filled in at the
- * time the server sends the rpc reply.
- */
-
- /*
- * Bits for the flags field.
- */
- #define DRT_NQNFS 0x01 /* Rpc used Nqnfs protocol */
- #define DRT_TCP 0x02 /* Client used TCP transport */
- #define DRT_CACHEREPLY 0x04 /* Reply was from recent request cache */
- #define DRT_CACHEDROP 0x08 /* Rpc request dropped, due to recent reply */
-
- /*
- * Server log structure
- * NB: ipadr == INADDR_ANY indicates a client using a non IP protocol.
- * (ISO perhaps?)
- */
- struct nfsdrt {
- int pos; /* Position of next log entry */
- struct drt {
- int flag; /* Bits as defined above */
- int proc; /* NFS procedure number */
- u_long ipadr; /* IP address of client */
- int resptime; /* Response time (usec) */
- struct timeval tstamp; /* Timestamp of log entry */
- } drt[NFSRTTLOGSIZ];
- };
-