nfsrvstats.h revision 25663
11541Srgrimes/* 222521Sdyson * Copyright (c) 1989, 1993, 1995 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * This code is derived from software contributed to Berkeley by 61541Srgrimes * Rick Macklem at The University of Guelph. 71541Srgrimes * 81541Srgrimes * Redistribution and use in source and binary forms, with or without 91541Srgrimes * modification, are permitted provided that the following conditions 101541Srgrimes * are met: 111541Srgrimes * 1. Redistributions of source code must retain the above copyright 121541Srgrimes * notice, this list of conditions and the following disclaimer. 131541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141541Srgrimes * notice, this list of conditions and the following disclaimer in the 151541Srgrimes * documentation and/or other materials provided with the distribution. 161541Srgrimes * 3. All advertising materials mentioning features or use of this software 171541Srgrimes * must display the following acknowledgement: 181541Srgrimes * This product includes software developed by the University of 191541Srgrimes * California, Berkeley and its contributors. 201541Srgrimes * 4. Neither the name of the University nor the names of its contributors 211541Srgrimes * may be used to endorse or promote products derived from this software 221541Srgrimes * without specific prior written permission. 231541Srgrimes * 241541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341541Srgrimes * SUCH DAMAGE. 351541Srgrimes * 3622521Sdyson * @(#)nfs.h 8.4 (Berkeley) 5/1/95 3725663Sdfr * $Id: nfs.h,v 1.24 1997/03/29 12:34:33 bde Exp $ 381541Srgrimes */ 391541Srgrimes 402175Spaul#ifndef _NFS_NFS_H_ 412175Spaul#define _NFS_NFS_H_ 422175Spaul 431541Srgrimes/* 441541Srgrimes * Tunable constants for nfs 451541Srgrimes */ 461541Srgrimes 471541Srgrimes#define NFS_MAXIOVEC 34 489336Sdfr#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 499336Sdfr#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 509336Sdfr#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 519336Sdfr#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 529336Sdfr#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 539336Sdfr#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 541541Srgrimes#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 551541Srgrimes#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 561541Srgrimes#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 571541Srgrimes#define NFS_MAXGRPS 16 /* Max. size of groups list */ 581828Sdg#ifndef NFS_MINATTRTIMO 591541Srgrimes#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */ 601828Sdg#endif 611828Sdg#ifndef NFS_MAXATTRTIMO 621541Srgrimes#define NFS_MAXATTRTIMO 60 631828Sdg#endif 641541Srgrimes#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 651541Srgrimes#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 669336Sdfr#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 671541Srgrimes#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 681541Srgrimes#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 691541Srgrimes#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 7024378Sbde#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ 719336Sdfr#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 729336Sdfr#ifndef NFS_GATHERDELAY 739336Sdfr#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 749336Sdfr#endif 759336Sdfr#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 7624378Sbde#ifdef KERNEL 7724378Sbde#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ 7824378Sbde#endif 799336Sdfr 809336Sdfr/* 819336Sdfr * Oddballs 829336Sdfr */ 831541Srgrimes#define NMOD(a) ((a) % nfs_asyncdaemons) 849336Sdfr#define NFS_CMPFH(n, f, s) \ 859336Sdfr ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 869336Sdfr#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 879336Sdfr#define NFS_SRVMAXDATA(n) \ 889336Sdfr (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 899336Sdfr NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 901541Srgrimes 911541Srgrimes/* 929336Sdfr * XXX 939336Sdfr * The B_INVAFTERWRITE flag should be set to whatever is required by the 949336Sdfr * buffer cache code to say "Invalidate the block after it is written back". 959336Sdfr */ 969336Sdfr#ifdef __FreeBSD__ 979336Sdfr#define B_INVAFTERWRITE B_NOCACHE 989336Sdfr#else 999336Sdfr#define B_INVAFTERWRITE B_INVAL 1009336Sdfr#endif 1019336Sdfr 1029336Sdfr/* 1039336Sdfr * The IO_METASYNC flag should be implemented for local file systems. 1049336Sdfr * (Until then, it is nothin at all.) 1059336Sdfr */ 1069336Sdfr#ifndef IO_METASYNC 1079336Sdfr#define IO_METASYNC 0 1089336Sdfr#endif 1099336Sdfr 1109336Sdfr/* 1111541Srgrimes * Set the attribute timeout based on how recently the file has been modified. 1121541Srgrimes */ 1131541Srgrimes#define NFS_ATTRTIMEO(np) \ 1141541Srgrimes ((((np)->n_flag & NMODIFIED) || \ 1151541Srgrimes (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \ 1161541Srgrimes ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \ 1171541Srgrimes (time.tv_sec - (np)->n_mtime) / 10)) 1181541Srgrimes 1191541Srgrimes/* 1209336Sdfr * Expected allocation sizes for major data structures. If the actual size 1219336Sdfr * of the structure exceeds these sizes, then malloc() will be allocating 1229336Sdfr * almost twice the memory required. This is used in nfs_init() to warn 1239336Sdfr * the sysadmin that the size of a structure should be reduced. 1249336Sdfr * (These sizes are always a power of 2. If the kernel malloc() changes 1259336Sdfr * to one that does not allocate space in powers of 2 size, then this all 1269336Sdfr * becomes bunk!) 1279336Sdfr */ 1289336Sdfr#define NFS_NODEALLOC 256 1299336Sdfr#define NFS_MNTALLOC 512 1309336Sdfr#define NFS_SVCALLOC 256 1319336Sdfr#define NFS_UIDALLOC 128 1329336Sdfr 1339336Sdfr/* 13422521Sdyson * Arguments to mount NFS 13522521Sdyson */ 13622521Sdyson#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 13722521Sdysonstruct nfs_args { 13822521Sdyson int version; /* args structure version number */ 13922521Sdyson struct sockaddr *addr; /* file server address */ 14022521Sdyson int addrlen; /* length of address */ 14122521Sdyson int sotype; /* Socket type */ 14222521Sdyson int proto; /* and Protocol */ 14322521Sdyson u_char *fh; /* File handle to be mounted */ 14422521Sdyson int fhsize; /* Size, in bytes, of fh */ 14522521Sdyson int flags; /* flags */ 14622521Sdyson int wsize; /* write size in bytes */ 14722521Sdyson int rsize; /* read size in bytes */ 14822521Sdyson int readdirsize; /* readdir size in bytes */ 14922521Sdyson int timeo; /* initial timeout in .1 secs */ 15022521Sdyson int retrans; /* times to retry send */ 15122521Sdyson int maxgrouplist; /* Max. size of group list */ 15222521Sdyson int readahead; /* # of blocks to readahead */ 15322521Sdyson int leaseterm; /* Term (sec) of lease */ 15422521Sdyson int deadthresh; /* Retrans threshold */ 15522521Sdyson char *hostname; /* server's name */ 15622521Sdyson}; 15722521Sdyson 15822521Sdyson/* 15922521Sdyson * NFS mount option flags 16022521Sdyson */ 16122521Sdyson#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 16222521Sdyson#define NFSMNT_WSIZE 0x00000002 /* set write size */ 16322521Sdyson#define NFSMNT_RSIZE 0x00000004 /* set read size */ 16422521Sdyson#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 16522521Sdyson#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 16622521Sdyson#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 16722521Sdyson#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 16822521Sdyson#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 16922521Sdyson#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 17022521Sdyson#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 17122521Sdyson#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 17222521Sdyson#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 17322521Sdyson#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 17422521Sdyson#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 17522521Sdyson#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 17622521Sdyson#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 17722521Sdyson#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 17822521Sdyson#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 17922521Sdyson#define NFSMNT_INTERNAL 0xfffc0000 /* Bits set internally */ 18022521Sdyson#define NFSMNT_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 18122521Sdyson#define NFSMNT_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 18222521Sdyson#define NFSMNT_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 18322521Sdyson#define NFSMNT_MNTD 0x00200000 /* Mnt server for mnt point */ 18422521Sdyson#define NFSMNT_DISMINPROG 0x00400000 /* Dismount in progress */ 18522521Sdyson#define NFSMNT_DISMNT 0x00800000 /* Dismounted */ 18622521Sdyson#define NFSMNT_SNDLOCK 0x01000000 /* Send socket lock */ 18722521Sdyson#define NFSMNT_WANTSND 0x02000000 /* Want above */ 18822521Sdyson#define NFSMNT_RCVLOCK 0x04000000 /* Rcv socket lock */ 18922521Sdyson#define NFSMNT_WANTRCV 0x08000000 /* Want above */ 19022521Sdyson#define NFSMNT_WAITAUTH 0x10000000 /* Wait for authentication */ 19122521Sdyson#define NFSMNT_HASAUTH 0x20000000 /* Has authenticator */ 19222521Sdyson#define NFSMNT_WANTAUTH 0x40000000 /* Wants an authenticator */ 19322521Sdyson#define NFSMNT_AUTHERR 0x80000000 /* Authentication error */ 19422521Sdyson 19522521Sdyson/* 1961541Srgrimes * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 1971541Srgrimes * should ever try and use it. 1981541Srgrimes */ 1991541Srgrimesstruct nfsd_args { 2001541Srgrimes int sock; /* Socket to serve */ 20122521Sdyson caddr_t name; /* Client addr for connection based sockets */ 2021541Srgrimes int namelen; /* Length of name */ 2031541Srgrimes}; 2041541Srgrimes 2051541Srgrimesstruct nfsd_srvargs { 2061541Srgrimes struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 2071541Srgrimes uid_t nsd_uid; /* Effective uid mapped to cred */ 2081541Srgrimes u_long nsd_haddr; /* Ip address of client */ 2091541Srgrimes struct ucred nsd_cr; /* Cred. uid maps to */ 2101541Srgrimes int nsd_authlen; /* Length of auth string (ret) */ 2119336Sdfr u_char *nsd_authstr; /* Auth string (ret) */ 2129336Sdfr int nsd_verflen; /* and the verfier */ 2139336Sdfr u_char *nsd_verfstr; 2149336Sdfr struct timeval nsd_timestamp; /* timestamp from verifier */ 2159336Sdfr u_long nsd_ttl; /* credential ttl (sec) */ 2169336Sdfr NFSKERBKEY_T nsd_key; /* Session key */ 2171541Srgrimes}; 2181541Srgrimes 2191541Srgrimesstruct nfsd_cargs { 2201541Srgrimes char *ncd_dirp; /* Mount dir path */ 2211541Srgrimes uid_t ncd_authuid; /* Effective uid */ 2221541Srgrimes int ncd_authtype; /* Type of authenticator */ 2231541Srgrimes int ncd_authlen; /* Length of authenticator string */ 2249336Sdfr u_char *ncd_authstr; /* Authenticator string */ 2259336Sdfr int ncd_verflen; /* and the verifier */ 2269336Sdfr u_char *ncd_verfstr; 2279336Sdfr NFSKERBKEY_T ncd_key; /* Session key */ 2281541Srgrimes}; 2291541Srgrimes 2301541Srgrimes/* 23122521Sdyson * XXX to allow amd to include nfs.h without nfsproto.h 23222521Sdyson */ 23322521Sdyson#ifdef NFS_NPROCS 23422521Sdyson/* 2351541Srgrimes * Stats structure 2361541Srgrimes */ 2371541Srgrimesstruct nfsstats { 2381541Srgrimes int attrcache_hits; 2391541Srgrimes int attrcache_misses; 2401541Srgrimes int lookupcache_hits; 2411541Srgrimes int lookupcache_misses; 2421541Srgrimes int direofcache_hits; 2431541Srgrimes int direofcache_misses; 2441541Srgrimes int biocache_reads; 2451541Srgrimes int read_bios; 2461541Srgrimes int read_physios; 2471541Srgrimes int biocache_writes; 2481541Srgrimes int write_bios; 2491541Srgrimes int write_physios; 2501541Srgrimes int biocache_readlinks; 2511541Srgrimes int readlink_bios; 2521541Srgrimes int biocache_readdirs; 2531541Srgrimes int readdir_bios; 2541541Srgrimes int rpccnt[NFS_NPROCS]; 2551541Srgrimes int rpcretries; 2561541Srgrimes int srvrpccnt[NFS_NPROCS]; 2571541Srgrimes int srvrpc_errs; 2581541Srgrimes int srv_errs; 2591541Srgrimes int rpcrequests; 2601541Srgrimes int rpctimeouts; 2611541Srgrimes int rpcunexpected; 2621541Srgrimes int rpcinvalid; 2631541Srgrimes int srvcache_inproghits; 2641541Srgrimes int srvcache_idemdonehits; 2651541Srgrimes int srvcache_nonidemdonehits; 2661541Srgrimes int srvcache_misses; 2671541Srgrimes int srvnqnfs_leases; 2681541Srgrimes int srvnqnfs_maxleases; 2691541Srgrimes int srvnqnfs_getleases; 2709336Sdfr int srvvop_writes; 2711541Srgrimes}; 27222521Sdyson#endif 2731541Srgrimes 2741541Srgrimes/* 2751541Srgrimes * Flags for nfssvc() system call. 2761541Srgrimes */ 2771541Srgrimes#define NFSSVC_BIOD 0x002 2781541Srgrimes#define NFSSVC_NFSD 0x004 2791541Srgrimes#define NFSSVC_ADDSOCK 0x008 2801541Srgrimes#define NFSSVC_AUTHIN 0x010 2811541Srgrimes#define NFSSVC_GOTAUTH 0x040 2821541Srgrimes#define NFSSVC_AUTHINFAIL 0x080 2831541Srgrimes#define NFSSVC_MNTD 0x100 2841541Srgrimes 2851541Srgrimes/* 2863820Swollman * fs.nfs sysctl(3) identifiers 2873820Swollman */ 2883820Swollman#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 28924330Sguido#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ 2903820Swollman 2913820Swollman#define FS_NFS_NAMES { \ 2923820Swollman { 0, 0 }, \ 2933820Swollman { "nfsstats", CTLTYPE_STRUCT }, \ 29424330Sguido { "nfsprivport", CTLTYPE_INT }, \ 2953820Swollman} 2963820Swollman 2973820Swollman/* 2981541Srgrimes * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 2991541Srgrimes * What should be in this set is open to debate, but I believe that since 3001541Srgrimes * I/O system calls on ufs are never interrupted by signals the set should 3011541Srgrimes * be minimal. My reasoning is that many current programs that use signals 3021541Srgrimes * such as SIGALRM will not expect file I/O system calls to be interrupted 3031541Srgrimes * by them and break. 3041541Srgrimes */ 30522521Sdyson#ifdef KERNEL 3064067Swollman 3074067Swollmanstruct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 3084067Swollman 3091541Srgrimes#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 3101541Srgrimes sigmask(SIGHUP)|sigmask(SIGQUIT)) 3111541Srgrimes 3121541Srgrimes/* 3131541Srgrimes * Socket errors ignored for connectionless sockets?? 3141541Srgrimes * For now, ignore them all 3151541Srgrimes */ 3161541Srgrimes#define NFSIGNORE_SOERROR(s, e) \ 3171541Srgrimes ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 3181541Srgrimes ((s) & PR_CONNREQUIRED) == 0) 3191541Srgrimes 3201541Srgrimes/* 3211541Srgrimes * Nfs outstanding request list element 3221541Srgrimes */ 3231541Srgrimesstruct nfsreq { 3243664Sphk TAILQ_ENTRY(nfsreq) r_chain; 3251541Srgrimes struct mbuf *r_mreq; 3261541Srgrimes struct mbuf *r_mrep; 3271541Srgrimes struct mbuf *r_md; 3281541Srgrimes caddr_t r_dpos; 3291541Srgrimes struct nfsmount *r_nmp; 3301541Srgrimes struct vnode *r_vp; 3311541Srgrimes u_long r_xid; 3321541Srgrimes int r_flags; /* flags on request, see below */ 3331541Srgrimes int r_retry; /* max retransmission count */ 3341541Srgrimes int r_rexmit; /* current retrans count */ 3351541Srgrimes int r_timer; /* tick counter on reply */ 3361541Srgrimes int r_procnum; /* NFS procedure number */ 3371541Srgrimes int r_rtt; /* RTT for rpc */ 3381541Srgrimes struct proc *r_procp; /* Proc that did I/O system call */ 3391541Srgrimes}; 3401541Srgrimes 3413664Sphk/* 3423664Sphk * Queue head for nfsreq's 3433664Sphk */ 3449759Sbdeextern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 3453664Sphk 3461541Srgrimes/* Flag values for r_flags */ 3471541Srgrimes#define R_TIMING 0x01 /* timing request (in mntp) */ 3481541Srgrimes#define R_SENT 0x02 /* request has been sent */ 3491541Srgrimes#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 3501541Srgrimes#define R_INTR 0x08 /* intr mnt, signal pending */ 3511541Srgrimes#define R_SOCKERR 0x10 /* Fatal error on socket */ 3521541Srgrimes#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 3531541Srgrimes#define R_MUSTRESEND 0x40 /* Must resend request */ 3541541Srgrimes#define R_GETONEREP 0x80 /* Probe for one reply only */ 3551541Srgrimes 3561541Srgrimes/* 3571541Srgrimes * A list of nfssvc_sock structures is maintained with all the sockets 3581541Srgrimes * that require service by the nfsd. 3591541Srgrimes * The nfsuid structs hang off of the nfssvc_sock structs in both lru 3601541Srgrimes * and uid hash lists. 3611541Srgrimes */ 3629336Sdfr#ifndef NFS_UIDHASHSIZ 3639336Sdfr#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 3649336Sdfr#endif 3653664Sphk#define NUIDHASH(sock, uid) \ 3669336Sdfr (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 3679336Sdfr#ifndef NFS_WDELAYHASHSIZ 3689336Sdfr#define NFS_WDELAYHASHSIZ 16 /* and with this */ 3699336Sdfr#endif 3709336Sdfr#define NWDELAYHASH(sock, f) \ 3719336Sdfr (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ]) 3729336Sdfr#ifndef NFS_MUIDHASHSIZ 37319449Sdfr#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 3749336Sdfr#endif 3759336Sdfr#define NMUIDHASH(nmp, uid) \ 3769336Sdfr (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 3779336Sdfr#define NFSNOHASH(fhsum) \ 3789336Sdfr (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 3791541Srgrimes 3801541Srgrimes/* 3811541Srgrimes * Network address hash list element 3821541Srgrimes */ 3831541Srgrimesunion nethostaddr { 3841541Srgrimes u_long had_inetaddr; 3851541Srgrimes struct mbuf *had_nam; 3861541Srgrimes}; 3871541Srgrimes 3881541Srgrimesstruct nfsuid { 3893664Sphk TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 3903664Sphk LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 3911541Srgrimes int nu_flag; /* Flags */ 3921541Srgrimes union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 3931541Srgrimes struct ucred nu_cr; /* Cred uid mapped to */ 3949336Sdfr int nu_expire; /* Expiry time (sec) */ 3959336Sdfr struct timeval nu_timestamp; /* Kerb. timestamp */ 3969336Sdfr u_long nu_nickname; /* Nickname on server */ 3979336Sdfr NFSKERBKEY_T nu_key; /* and session key */ 3981541Srgrimes}; 3991541Srgrimes 4001541Srgrimes#define nu_inetaddr nu_haddr.had_inetaddr 4011541Srgrimes#define nu_nam nu_haddr.had_nam 4021541Srgrimes/* Bits for nu_flag */ 4031541Srgrimes#define NU_INETADDR 0x1 4049336Sdfr#define NU_NAM 0x2 4059336Sdfr#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 4061541Srgrimes 4071541Srgrimesstruct nfssvc_sock { 4083664Sphk TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 4093664Sphk TAILQ_HEAD(, nfsuid) ns_uidlruhead; 4101541Srgrimes struct file *ns_fp; 4111541Srgrimes struct socket *ns_so; 4121541Srgrimes struct mbuf *ns_nam; 4131541Srgrimes struct mbuf *ns_raw; 4141541Srgrimes struct mbuf *ns_rawend; 4151541Srgrimes struct mbuf *ns_rec; 4161541Srgrimes struct mbuf *ns_recend; 4179336Sdfr struct mbuf *ns_frag; 4189336Sdfr int ns_flag; 4199336Sdfr int ns_solock; 4209336Sdfr int ns_cc; 4219336Sdfr int ns_reclen; 4221541Srgrimes int ns_numuids; 4239336Sdfr u_long ns_sref; 4249336Sdfr LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 4259336Sdfr LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 4269336Sdfr LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 4271541Srgrimes}; 4281541Srgrimes 4291541Srgrimes/* Bits for "ns_flag" */ 4301541Srgrimes#define SLP_VALID 0x01 4311541Srgrimes#define SLP_DOREC 0x02 4321541Srgrimes#define SLP_NEEDQ 0x04 4331541Srgrimes#define SLP_DISCONN 0x08 4341541Srgrimes#define SLP_GETSTREAM 0x10 4359336Sdfr#define SLP_LASTFRAG 0x20 4361541Srgrimes#define SLP_ALLFLAGS 0xff 4371541Srgrimes 4389759Sbdeextern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 4399759Sbdeextern int nfssvc_sockhead_flag; 4403664Sphk#define SLP_INIT 0x01 4413664Sphk#define SLP_WANTINIT 0x02 4423664Sphk 4431541Srgrimes/* 4441541Srgrimes * One of these structures is allocated for each nfsd. 4451541Srgrimes */ 4461541Srgrimesstruct nfsd { 4479336Sdfr TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 4489336Sdfr int nfsd_flag; /* NFSD_ flags */ 4499336Sdfr struct nfssvc_sock *nfsd_slp; /* Current socket */ 4509336Sdfr int nfsd_authlen; /* Authenticator len */ 4519336Sdfr u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 4529336Sdfr int nfsd_verflen; /* and the Verifier */ 4539336Sdfr u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 4549336Sdfr struct proc *nfsd_procp; /* Proc ptr */ 4559336Sdfr struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 4561541Srgrimes}; 4571541Srgrimes 4589336Sdfr/* Bits for "nfsd_flag" */ 4591541Srgrimes#define NFSD_WAITING 0x01 4603664Sphk#define NFSD_REQINPROG 0x02 4613664Sphk#define NFSD_NEEDAUTH 0x04 4623664Sphk#define NFSD_AUTHFAIL 0x08 4633305Sphk 4649336Sdfr/* 4659336Sdfr * This structure is used by the server for describing each request. 4669336Sdfr * Some fields are used only when write request gathering is performed. 4679336Sdfr */ 4689336Sdfrstruct nfsrv_descript { 4699336Sdfr u_quad_t nd_time; /* Write deadline (usec) */ 4709336Sdfr off_t nd_off; /* Start byte offset */ 4719336Sdfr off_t nd_eoff; /* and end byte offset */ 4729336Sdfr LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 4739336Sdfr LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 4749336Sdfr LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 4759336Sdfr struct mbuf *nd_mrep; /* Request mbuf list */ 4769336Sdfr struct mbuf *nd_md; /* Current dissect mbuf */ 4779336Sdfr struct mbuf *nd_mreq; /* Reply mbuf list */ 4789336Sdfr struct mbuf *nd_nam; /* and socket addr */ 4799336Sdfr struct mbuf *nd_nam2; /* return socket addr */ 4809336Sdfr caddr_t nd_dpos; /* Current dissect pos */ 4819336Sdfr int nd_procnum; /* RPC # */ 4829336Sdfr int nd_stable; /* storage type */ 4839336Sdfr int nd_flag; /* nd_flag */ 4849336Sdfr int nd_len; /* Length of this write */ 4859336Sdfr int nd_repstat; /* Reply status */ 4869336Sdfr u_long nd_retxid; /* Reply xid */ 4879336Sdfr u_long nd_duration; /* Lease duration */ 4889336Sdfr struct timeval nd_starttime; /* Time RPC initiated */ 4899336Sdfr fhandle_t nd_fh; /* File handle */ 4909336Sdfr struct ucred nd_cr; /* Credentials */ 4919336Sdfr}; 4929336Sdfr 4939336Sdfr/* Bits for "nd_flag" */ 4949336Sdfr#define ND_READ LEASE_READ 4959336Sdfr#define ND_WRITE LEASE_WRITE 4969336Sdfr#define ND_CHECK 0x04 4979336Sdfr#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 4989336Sdfr#define ND_NFSV3 0x08 4999336Sdfr#define ND_NQNFS 0x10 5009336Sdfr#define ND_KERBNICK 0x20 5019336Sdfr#define ND_KERBFULL 0x40 5029336Sdfr#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 5039336Sdfr 5049759Sbdeextern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 5059759Sbdeextern int nfsd_head_flag; 5063664Sphk#define NFSD_CHECKSLP 0x01 5073664Sphk 5089336Sdfr/* 5099336Sdfr * These macros compare nfsrv_descript structures. 5109336Sdfr */ 5119336Sdfr#define NFSW_CONTIG(o, n) \ 5129336Sdfr ((o)->nd_eoff >= (n)->nd_off && \ 5139336Sdfr !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 5149336Sdfr 5159336Sdfr#define NFSW_SAMECRED(o, n) \ 5169336Sdfr (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 5179336Sdfr !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 5189336Sdfr sizeof (struct ucred))) 5199336Sdfr 52025663Sdfr#ifdef NFS_DEBUG 52122521Sdyson 52225663Sdfrextern int nfs_debug; 52325663Sdfr#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 52425663Sdfr#define NFS_DEBUG_WG 2 /* server write gathering */ 52525663Sdfr#define NFS_DEBUG_RC 4 /* server request caching */ 52625663Sdfr 52725663Sdfr#define NFS_DPF(cat, args) \ 52825663Sdfr do { \ 52925663Sdfr if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 53025663Sdfr } while (0) 53125663Sdfr 53225663Sdfr#else 53325663Sdfr 53425663Sdfr#define NFS_DPF(cat, args) 53525663Sdfr 53625663Sdfr#endif 53725663Sdfr 53822521Sdysonint nfs_init __P((struct vfsconf *vfsp)); 5393305Sphkint nfs_reply __P((struct nfsreq *)); 5409336Sdfrint nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 5413305Sphkint nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *)); 5429336Sdfrint nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *)); 5433305Sphkint nfs_sndlock __P((int *,struct nfsreq *)); 54412453Sbdevoid nfs_sndunlock __P((int *flagp)); 5453305Sphkint nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *)); 5463305Sphkint nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int)); 5473305Sphkint nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *)); 5489336Sdfrint nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *)); 5493305Sphkint nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *)); 5503305Sphkint nfs_asyncio __P((struct buf *,struct ucred *)); 5513305Sphkint nfs_doio __P((struct buf *,struct ucred *,struct proc *)); 5523305Sphkint nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *)); 5533305Sphkint nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *)); 5549336Sdfrint nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *)); 5553305Sphkint nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *)); 5569336Sdfrvoid nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *)); 5579336Sdfrvoid nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **)); 5589336Sdfrvoid nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **)); 5593305Sphkint netaddr_match __P((int,union nethostaddr *,struct mbuf *)); 5603305Sphkint nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *)); 5613305Sphkint nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *)); 5629336Sdfrint nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int)); 5633305Sphkvoid nfsm_adj __P((struct mbuf *,int,int)); 5643305Sphkint nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *)); 5653305Sphkvoid nfsrv_initcache __P((void)); 5669336Sdfrint nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T)); 5679336Sdfrint nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int)); 5689336Sdfrint nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *)); 5693305Sphkint nfs_adv __P((struct mbuf **,caddr_t *,int,int)); 5703305Sphkvoid nfs_nhinit __P((void)); 5713305Sphkvoid nfs_timer __P((void*)); 5729336Sdfru_long nfs_hash __P((nfsfh_t *,int)); 5739336Sdfrint nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **)); 5749336Sdfrint nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **)); 5759336Sdfrvoid nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *)); 57622521Sdysonvoid nfsrv_cleancache __P((void)); 5773305Sphkint nfs_connect __P((struct nfsmount *,struct nfsreq *)); 57822521Sdysonvoid nfs_disconnect __P((struct nfsmount *)); 5793305Sphkint nfs_getattrcache __P((struct vnode *,struct vattr *)); 5803305Sphkint nfsm_strtmbuf __P((struct mbuf **,char **,char *,long)); 5813305Sphkint nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *)); 5823305Sphkint nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *)); 5833305Sphkvoid nfsrv_init __P((int)); 5849336Sdfrvoid nfs_clearcommit __P((struct mount *)); 5859336Sdfrint nfsrv_errmap __P((struct nfsrv_descript *, int)); 5869336Sdfrvoid nfsrvw_sort __P((gid_t [],int)); 5879336Sdfrvoid nfsrv_setcred __P((struct ucred *,struct ucred *)); 5889336Sdfrint nfs_writebp __P((struct buf *,int)); 58917761Sdysonint nfsrv_object_create __P(( struct vnode * )); 59012588Sbdevoid nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); 5919336Sdfrint nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 5929336Sdfr struct proc *, struct mbuf **)); 5939336Sdfrint nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 5949336Sdfr struct proc *p)); 5956361Sphk 59612588Sbdeint nfsrv3_access __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 59712588Sbde struct proc *procp, struct mbuf **mrq)); 59812588Sbdeint nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 59912588Sbde struct proc *procp, struct mbuf **mrq)); 60012588Sbdeint nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 60112588Sbde struct proc *procp, struct mbuf **mrq)); 60212911Sphkint nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **, 60312911Sphk struct ucred *,struct nfssvc_sock *,struct mbuf *, 60412911Sphk int *,int)); 60512588Sbdeint nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 60612588Sbde struct proc *procp, struct mbuf **mrq)); 60712588Sbdeint nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 60812588Sbde struct proc *procp, struct mbuf **mrq)); 60912588Sbdeint nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 61012588Sbde struct proc *procp, struct mbuf **mrq)); 61112588Sbdeint nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 61212588Sbde struct proc *procp, struct mbuf **mrq)); 61312588Sbdeint nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 61412588Sbde struct proc *procp, struct mbuf **mrq)); 61512588Sbdeint nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 61612588Sbde struct proc *procp, struct mbuf **mrq)); 61712588Sbdeint nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 61812588Sbde struct proc *procp, struct mbuf **mrq)); 61912588Sbdeint nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 62012588Sbde struct proc *procp, struct mbuf **mrq)); 62112588Sbdeint nfsrv_pathconf __P((struct nfsrv_descript *nfsd, 62212588Sbde struct nfssvc_sock *slp, struct proc *procp, 62312588Sbde struct mbuf **mrq)); 62412588Sbdeint nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 62512588Sbde struct proc *procp, struct mbuf **mrq)); 62612588Sbdeint nfsrv_readdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 62712588Sbde struct proc *procp, struct mbuf **mrq)); 62812588Sbdeint nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, 62912588Sbde struct nfssvc_sock *slp, struct proc *procp, 63012588Sbde struct mbuf **mrq)); 63112588Sbdeint nfsrv_readlink __P((struct nfsrv_descript *nfsd, 63212588Sbde struct nfssvc_sock *slp, struct proc *procp, 63312588Sbde struct mbuf **mrq)); 63412588Sbdeint nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 63512588Sbde struct proc *procp, struct mbuf **mrq)); 63612588Sbdeint nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 63712588Sbde struct proc *procp, struct mbuf **mrq)); 63812588Sbdeint nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 63912588Sbde struct proc *procp, struct mbuf **mrq)); 64012588Sbdeint nfsrv_setattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 64112588Sbde struct proc *procp, struct mbuf **mrq)); 64212588Sbdeint nfsrv_statfs __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 64312588Sbde struct proc *procp, struct mbuf **mrq)); 64412588Sbdeint nfsrv_symlink __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 64512588Sbde struct proc *procp, struct mbuf **mrq)); 64612588Sbdeint nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 64712588Sbde struct proc *procp, struct mbuf **mrq)); 64822521Sdysonvoid nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag)); 64922521Sdysonvoid nfsrv_slpderef __P((struct nfssvc_sock *slp)); 6501541Srgrimes#endif /* KERNEL */ 6512175Spaul 6522175Spaul#endif 653