| | 1 | /* |
| | 2 | * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| | 7 | * |
| | 8 | * This file contains Original Code and/or Modifications of Original Code |
| | 9 | * as defined in and that are subject to the Apple Public Source License |
| | 10 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 11 | * compliance with the License. Please obtain a copy of the License at |
| | 12 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| | 13 | * file. |
| | 14 | * |
| | 15 | * The Original Code and all software distributed under the License are |
| | 16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 20 | * Please see the License for the specific language governing rights and |
| | 21 | * limitations under the License. |
| | 22 | * |
| | 23 | * @APPLE_LICENSE_HEADER_END@ |
| | 24 | */ |
| | 25 | /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ |
| | 26 | /* |
| | 27 | * Copyright (c) 1992, 1993 |
| | 28 | * The Regents of the University of California. All rights reserved. |
| | 29 | * |
| | 30 | * This code is derived from software contributed to Berkeley by |
| | 31 | * Rick Macklem at The University of Guelph. |
| | 32 | * |
| | 33 | * Redistribution and use in source and binary forms, with or without |
| | 34 | * modification, are permitted provided that the following conditions |
| | 35 | * are met: |
| | 36 | * 1. Redistributions of source code must retain the above copyright |
| | 37 | * notice, this list of conditions and the following disclaimer. |
| | 38 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 39 | * notice, this list of conditions and the following disclaimer in the |
| | 40 | * documentation and/or other materials provided with the distribution. |
| | 41 | * 3. All advertising materials mentioning features or use of this software |
| | 42 | * must display the following acknowledgement: |
| | 43 | * This product includes software developed by the University of |
| | 44 | * California, Berkeley and its contributors. |
| | 45 | * 4. Neither the name of the University nor the names of its contributors |
| | 46 | * may be used to endorse or promote products derived from this software |
| | 47 | * without specific prior written permission. |
| | 48 | * |
| | 49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 59 | * SUCH DAMAGE. |
| | 60 | * |
| | 61 | * @(#)nfsrtt.h 8.2 (Berkeley) 3/30/95 |
| | 62 | * FreeBSD-Id: nfsrtt.h,v 1.8 1997/06/03 17:22:47 dfr Exp $ |
| | 63 | */ |
| | 64 | |
| | 65 | |
| | 66 | #ifndef _NFS_NFSRTT_H_ |
| | 67 | #define _NFS_NFSRTT_H_ |
| | 68 | |
| | 69 | #include <sys/appleapiopts.h> |
| | 70 | |
| | 71 | #ifdef __APPLE_API_PRIVATE |
| | 72 | /* |
| | 73 | * Definitions for performance monitor. |
| | 74 | * The client and server logging are turned on by setting the global |
| | 75 | * constant "nfsrtton" to 1. |
| | 76 | */ |
| | 77 | #define NFSRTTLOGSIZ 128 |
| | 78 | |
| | 79 | /* |
| | 80 | * Circular log of client side rpc activity. Each log entry is for one |
| | 81 | * rpc filled in upon completion. (ie. in order of completion) |
| | 82 | * The "pos" is the table index for the "next" entry, therefore the |
| | 83 | * list goes from nfsrtt.rttl[pos] --> nfsrtt.rttl[pos - 1] in |
| | 84 | * chronological order of completion. |
| | 85 | */ |
| | 86 | struct nfsrtt { |
| | 87 | int pos; /* Position in array for next entry */ |
| | 88 | struct rttl { |
| | 89 | u_int32_t proc; /* NFS procedure number */ |
| | 90 | int rtt; /* Measured round trip time */ |
| | 91 | int rto; /* Round Trip Timeout */ |
| | 92 | int sent; /* # rpcs in progress */ |
| | 93 | int cwnd; /* Send window */ |
| | 94 | int srtt; /* Ave Round Trip Time */ |
| | 95 | int sdrtt; /* Ave mean deviation of RTT */ |
| | 96 | fsid_t fsid; /* Fsid for mount point */ |
| | 97 | struct timeval tstamp; /* Timestamp of log entry */ |
| | 98 | } rttl[NFSRTTLOGSIZ]; |
| | 99 | }; |
| | 100 | |
| | 101 | /* |
| | 102 | * And definitions for server side performance monitor. |
| | 103 | * The log organization is the same as above except it is filled in at the |
| | 104 | * time the server sends the rpc reply. |
| | 105 | */ |
| | 106 | |
| | 107 | /* |
| | 108 | * Bits for the flags field. |
| | 109 | */ |
| | 110 | #define DRT_NQNFS 0x01 /* Rpc used Nqnfs protocol */ |
| | 111 | #define DRT_TCP 0x02 /* Client used TCP transport */ |
| | 112 | #define DRT_CACHEREPLY 0x04 /* Reply was from recent request cache */ |
| | 113 | #define DRT_CACHEDROP 0x08 /* Rpc request dropped, due to recent reply */ |
| | 114 | #define DRT_NFSV3 0x10 /* Rpc used NFS Version 3 */ |
| | 115 | |
| | 116 | /* |
| | 117 | * Server log structure |
| | 118 | * NB: ipadr == INADDR_ANY indicates a client using a non IP protocol. |
| | 119 | * (ISO perhaps?) |
| | 120 | */ |
| | 121 | struct nfsdrt { |
| | 122 | int pos; /* Position of next log entry */ |
| | 123 | struct drt { |
| | 124 | int flag; /* Bits as defined above */ |
| | 125 | u_int32_t proc; /* NFS procedure number */ |
| | 126 | u_long ipadr; /* IP address of client */ |
| | 127 | int resptime; /* Response time (usec) */ |
| | 128 | struct timeval tstamp; /* Timestamp of log entry */ |
| | 129 | } drt[NFSRTTLOGSIZ]; |
| | 130 | }; |
| | 131 | |
| | 132 | #endif /* __APPLE_API_PRIVATE */ |
| | 133 | #endif /* _NFS_NFSRTT_H_ */ |
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