nfsargs.h revision 36503
1238104Sdes/* 2238104Sdes * Copyright (c) 1989, 1993, 1995 3238104Sdes * The Regents of the University of California. All rights reserved. 4238104Sdes * 5238104Sdes * This code is derived from software contributed to Berkeley by 6238104Sdes * Rick Macklem at The University of Guelph. 7238104Sdes * 8238104Sdes * Redistribution and use in source and binary forms, with or without 9238104Sdes * modification, are permitted provided that the following conditions 10238104Sdes * are met: 11238104Sdes * 1. Redistributions of source code must retain the above copyright 12238104Sdes * notice, this list of conditions and the following disclaimer. 13238104Sdes * 2. Redistributions in binary form must reproduce the above copyright 14238104Sdes * notice, this list of conditions and the following disclaimer in the 15238104Sdes * documentation and/or other materials provided with the distribution. 16238104Sdes * 3. All advertising materials mentioning features or use of this software 17238104Sdes * must display the following acknowledgement: 18238104Sdes * This product includes software developed by the University of 19238104Sdes * California, Berkeley and its contributors. 20238104Sdes * 4. Neither the name of the University nor the names of its contributors 21238104Sdes * may be used to endorse or promote products derived from this software 22238104Sdes * without specific prior written permission. 23238104Sdes * 24238104Sdes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25238104Sdes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26246854Sdes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27238104Sdes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28238104Sdes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29238104Sdes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30238104Sdes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31238104Sdes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32238104Sdes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33238104Sdes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34238104Sdes * SUCH DAMAGE. 35238104Sdes * 36238104Sdes * @(#)nfs.h 8.4 (Berkeley) 5/1/95 37238104Sdes * $Id: nfs.h,v 1.36 1998/05/24 14:41:47 peter Exp $ 38238104Sdes */ 39238104Sdes 40238104Sdes#ifndef _NFS_NFS_H_ 41238104Sdes#define _NFS_NFS_H_ 42238104Sdes 43238104Sdes/* 44238104Sdes * Tunable constants for nfs 45246854Sdes */ 46238104Sdes 47238104Sdes#define NFS_MAXIOVEC 34 48238104Sdes#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 49238104Sdes#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 50238104Sdes#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 51238104Sdes#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 52238104Sdes#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 53238104Sdes#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 54238104Sdes#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 55238104Sdes#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 56238104Sdes#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 57238104Sdes#define NFS_MAXGRPS 16 /* Max. size of groups list */ 58238104Sdes#ifndef NFS_MINATTRTIMO 59238104Sdes#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ 60238104Sdes#endif 61238104Sdes#ifndef NFS_MAXATTRTIMO 62238104Sdes#define NFS_MAXATTRTIMO 60 63238104Sdes#endif 64238104Sdes#ifndef NFS_MINDIRATTRTIMO 65246854Sdes#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ 66238104Sdes#endif 67238104Sdes#ifndef NFS_MAXDIRATTRTIMO 68238104Sdes#define NFS_MAXDIRATTRTIMO 60 69238104Sdes#endif 70246854Sdes#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 71238104Sdes#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 72238104Sdes#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 73238104Sdes#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 74238104Sdes#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 75238104Sdes#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 76238104Sdes#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ 77238104Sdes#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 78246854Sdes#ifndef NFS_GATHERDELAY 79238104Sdes#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 80246854Sdes#endif 81246854Sdes#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 82238104Sdes#ifdef KERNEL 83238104Sdes#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ 84238104Sdes#endif 85238104Sdes 86246854Sdes/* 87246854Sdes * Oddballs 88238104Sdes */ 89238104Sdes#define NMOD(a) ((a) % nfs_asyncdaemons) 90238104Sdes#define NFS_CMPFH(n, f, s) \ 91238104Sdes ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 92238104Sdes#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 93238104Sdes#define NFS_SRVMAXDATA(n) \ 94238104Sdes (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 95238104Sdes NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 96238104Sdes 97238104Sdes/* 98238104Sdes * XXX 99238104Sdes * The B_INVAFTERWRITE flag should be set to whatever is required by the 100238104Sdes * buffer cache code to say "Invalidate the block after it is written back". 101238104Sdes */ 102238104Sdes#define B_INVAFTERWRITE B_NOCACHE 103238104Sdes 104238104Sdes/* 105238104Sdes * The IO_METASYNC flag should be implemented for local file systems. 106238104Sdes * (Until then, it is nothin at all.) 107238104Sdes */ 108238104Sdes#ifndef IO_METASYNC 109238104Sdes#define IO_METASYNC 0 110238104Sdes#endif 111238104Sdes 112238104Sdes/* 113238104Sdes * Expected allocation sizes for major data structures. If the actual size 114238104Sdes * of the structure exceeds these sizes, then malloc() will be allocating 115238104Sdes * almost twice the memory required. This is used in nfs_init() to warn 116238104Sdes * the sysadmin that the size of a structure should be reduced. 117238104Sdes * (These sizes are always a power of 2. If the kernel malloc() changes 118238104Sdes * to one that does not allocate space in powers of 2 size, then this all 119238104Sdes * becomes bunk!) 120238104Sdes */ 121238104Sdes#define NFS_SVCALLOC 256 122238104Sdes#define NFS_UIDALLOC 128 123238104Sdes 124238104Sdes/* 125238104Sdes * Arguments to mount NFS 126238104Sdes */ 127238104Sdes#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 128238104Sdesstruct nfs_args { 129238104Sdes int version; /* args structure version number */ 130238104Sdes struct sockaddr *addr; /* file server address */ 131238104Sdes int addrlen; /* length of address */ 132238104Sdes int sotype; /* Socket type */ 133238104Sdes int proto; /* and Protocol */ 134238104Sdes u_char *fh; /* File handle to be mounted */ 135238104Sdes int fhsize; /* Size, in bytes, of fh */ 136238104Sdes int flags; /* flags */ 137238104Sdes int wsize; /* write size in bytes */ 138238104Sdes int rsize; /* read size in bytes */ 139238104Sdes int readdirsize; /* readdir size in bytes */ 140238104Sdes int timeo; /* initial timeout in .1 secs */ 141238104Sdes int retrans; /* times to retry send */ 142238104Sdes int maxgrouplist; /* Max. size of group list */ 143238104Sdes int readahead; /* # of blocks to readahead */ 144238104Sdes int leaseterm; /* Term (sec) of lease */ 145238104Sdes int deadthresh; /* Retrans threshold */ 146238104Sdes char *hostname; /* server's name */ 147246854Sdes int acregmin; /* cache attrs for reg files min time */ 148238104Sdes int acregmax; /* cache attrs for reg files max time */ 149238104Sdes int acdirmin; /* cache attrs for dirs min time */ 150238104Sdes int acdirmax; /* cache attrs for dirs max time */ 151238104Sdes}; 152238104Sdes 153238104Sdes/* 154238104Sdes * NFS mount option flags 155238104Sdes */ 156238104Sdes#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 157246854Sdes#define NFSMNT_WSIZE 0x00000002 /* set write size */ 158238104Sdes#define NFSMNT_RSIZE 0x00000004 /* set read size */ 159238104Sdes#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 160238104Sdes#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 161238104Sdes#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 162238104Sdes#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 163238104Sdes#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 164238104Sdes#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 165238104Sdes#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 166238104Sdes#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 167238104Sdes#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 168238104Sdes#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 169238104Sdes#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 170238104Sdes#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 171238104Sdes#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 172238104Sdes#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 173238104Sdes#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 174238104Sdes#define NFSMNT_ACREGMIN 0x00040000 175238104Sdes#define NFSMNT_ACREGMAX 0x00080000 176246854Sdes#define NFSMNT_ACDIRMIN 0x00100000 177246854Sdes#define NFSMNT_ACDIRMAX 0x00200000 178246854Sdes 179246854Sdes#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 180238104Sdes#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 181238104Sdes#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 182238104Sdes#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ 183246854Sdes#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ 184238104Sdes#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ 185238104Sdes#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ 186238104Sdes#define NFSSTA_WANTSND 0x02000000 /* Want above */ 187246854Sdes#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ 188238104Sdes#define NFSSTA_WANTRCV 0x08000000 /* Want above */ 189246854Sdes#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ 190246854Sdes#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ 191246854Sdes#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ 192246854Sdes#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ 193238104Sdes 194238104Sdes/* 195238104Sdes * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 196238104Sdes * should ever try and use it. 197238104Sdes */ 198238104Sdesstruct nfsd_args { 199238104Sdes int sock; /* Socket to serve */ 200238104Sdes caddr_t name; /* Client addr for connection based sockets */ 201238104Sdes int namelen; /* Length of name */ 202238104Sdes}; 203238104Sdes 204246854Sdesstruct nfsd_srvargs { 205238104Sdes struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 206238104Sdes uid_t nsd_uid; /* Effective uid mapped to cred */ 207238104Sdes u_long nsd_haddr; /* Ip address of client */ 208238104Sdes struct ucred nsd_cr; /* Cred. uid maps to */ 209238104Sdes int nsd_authlen; /* Length of auth string (ret) */ 210238104Sdes u_char *nsd_authstr; /* Auth string (ret) */ 211238104Sdes int nsd_verflen; /* and the verfier */ 212238104Sdes u_char *nsd_verfstr; 213238104Sdes struct timeval nsd_timestamp; /* timestamp from verifier */ 214238104Sdes u_long nsd_ttl; /* credential ttl (sec) */ 215246854Sdes NFSKERBKEY_T nsd_key; /* Session key */ 216238104Sdes}; 217238104Sdes 218238104Sdesstruct nfsd_cargs { 219238104Sdes char *ncd_dirp; /* Mount dir path */ 220238104Sdes uid_t ncd_authuid; /* Effective uid */ 221238104Sdes int ncd_authtype; /* Type of authenticator */ 222238104Sdes int ncd_authlen; /* Length of authenticator string */ 223238104Sdes u_char *ncd_authstr; /* Authenticator string */ 224238104Sdes int ncd_verflen; /* and the verifier */ 225238104Sdes u_char *ncd_verfstr; 226238104Sdes NFSKERBKEY_T ncd_key; /* Session key */ 227238104Sdes}; 228238104Sdes 229238104Sdes/* 230238104Sdes * XXX to allow amd to include nfs.h without nfsproto.h 231238104Sdes */ 232238104Sdes#ifdef NFS_NPROCS 233238104Sdes/* 234238104Sdes * Stats structure 235238104Sdes */ 236238104Sdesstruct nfsstats { 237238104Sdes int attrcache_hits; 238238104Sdes int attrcache_misses; 239238104Sdes int lookupcache_hits; 240238104Sdes int lookupcache_misses; 241238104Sdes int direofcache_hits; 242238104Sdes int direofcache_misses; 243238104Sdes int biocache_reads; 244238104Sdes int read_bios; 245246854Sdes int read_physios; 246238104Sdes int biocache_writes; 247238104Sdes int write_bios; 248246854Sdes int write_physios; 249238104Sdes int biocache_readlinks; 250238104Sdes int readlink_bios; 251238104Sdes int biocache_readdirs; 252238104Sdes int readdir_bios; 253238104Sdes int rpccnt[NFS_NPROCS]; 254238104Sdes int rpcretries; 255238104Sdes int srvrpccnt[NFS_NPROCS]; 256238104Sdes int srvrpc_errs; 257238104Sdes int srv_errs; 258238104Sdes int rpcrequests; 259238104Sdes int rpctimeouts; 260238104Sdes int rpcunexpected; 261238104Sdes int rpcinvalid; 262238104Sdes int srvcache_inproghits; 263238104Sdes int srvcache_idemdonehits; 264238104Sdes int srvcache_nonidemdonehits; 265238104Sdes int srvcache_misses; 266238104Sdes int srvnqnfs_leases; 267238104Sdes int srvnqnfs_maxleases; 268238104Sdes int srvnqnfs_getleases; 269238104Sdes int srvvop_writes; 270238104Sdes}; 271238104Sdes#endif 272238104Sdes 273238104Sdes/* 274238104Sdes * Flags for nfssvc() system call. 275238104Sdes */ 276238104Sdes#define NFSSVC_BIOD 0x002 277238104Sdes#define NFSSVC_NFSD 0x004 278238104Sdes#define NFSSVC_ADDSOCK 0x008 279238104Sdes#define NFSSVC_AUTHIN 0x010 280238104Sdes#define NFSSVC_GOTAUTH 0x040 281238104Sdes#define NFSSVC_AUTHINFAIL 0x080 282238104Sdes#define NFSSVC_MNTD 0x100 283238104Sdes 284238104Sdes/* 285238104Sdes * fs.nfs sysctl(3) identifiers 286238104Sdes */ 287238104Sdes#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 288238104Sdes#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ 289238104Sdes 290238104Sdes#define FS_NFS_NAMES { \ 291238104Sdes { 0, 0 }, \ 292238104Sdes { "nfsstats", CTLTYPE_STRUCT }, \ 293238104Sdes { "nfsprivport", CTLTYPE_INT }, \ 294238104Sdes} 295238104Sdes 296238104Sdes#ifdef KERNEL 297238104Sdes 298238104Sdes#ifdef MALLOC_DECLARE 299238104SdesMALLOC_DECLARE(M_NFSREQ); 300238104SdesMALLOC_DECLARE(M_NFSDIROFF); 301238104SdesMALLOC_DECLARE(M_NFSRVDESC); 302238104SdesMALLOC_DECLARE(M_NFSUID); 303238104SdesMALLOC_DECLARE(M_NQLEASE); 304238104SdesMALLOC_DECLARE(M_NFSD); 305238104SdesMALLOC_DECLARE(M_NFSBIGFH); 306238104SdesMALLOC_DECLARE(M_NFSHASH); 307238104Sdes#endif 308238104Sdes 309238104Sdes#ifdef ZONE_INTERRUPT 310238104Sdesextern vm_zone_t nfsmount_zone; 311238104Sdes#endif 312238104Sdes 313238104Sdesstruct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 314238104Sdes 315238104Sdes/* 316238104Sdes * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 317238104Sdes * What should be in this set is open to debate, but I believe that since 318238104Sdes * I/O system calls on ufs are never interrupted by signals the set should 319238104Sdes * be minimal. My reasoning is that many current programs that use signals 320238104Sdes * such as SIGALRM will not expect file I/O system calls to be interrupted 321238104Sdes * by them and break. 322238104Sdes */ 323238104Sdes#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 324238104Sdes sigmask(SIGHUP)|sigmask(SIGQUIT)) 325238104Sdes 326238104Sdes/* 327238104Sdes * Socket errors ignored for connectionless sockets?? 328238104Sdes * For now, ignore them all 329238104Sdes */ 330238104Sdes#define NFSIGNORE_SOERROR(s, e) \ 331238104Sdes ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 332238104Sdes ((s) & PR_CONNREQUIRED) == 0) 333238104Sdes 334238104Sdes/* 335238104Sdes * Nfs outstanding request list element 336238104Sdes */ 337238104Sdesstruct nfsreq { 338238104Sdes TAILQ_ENTRY(nfsreq) r_chain; 339246854Sdes struct mbuf *r_mreq; 340238104Sdes struct mbuf *r_mrep; 341238104Sdes struct mbuf *r_md; 342238104Sdes caddr_t r_dpos; 343238104Sdes struct nfsmount *r_nmp; 344238104Sdes struct vnode *r_vp; 345238104Sdes u_long r_xid; 346238104Sdes int r_flags; /* flags on request, see below */ 347238104Sdes int r_retry; /* max retransmission count */ 348238104Sdes int r_rexmit; /* current retrans count */ 349238104Sdes int r_timer; /* tick counter on reply */ 350238104Sdes u_int32_t r_procnum; /* NFS procedure number */ 351238104Sdes int r_rtt; /* RTT for rpc */ 352238104Sdes struct proc *r_procp; /* Proc that did I/O system call */ 353238104Sdes}; 354238104Sdes 355238104Sdes/* 356238104Sdes * Queue head for nfsreq's 357238104Sdes */ 358238104Sdesextern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 359238104Sdes 360238104Sdes/* Flag values for r_flags */ 361238104Sdes#define R_TIMING 0x01 /* timing request (in mntp) */ 362238104Sdes#define R_SENT 0x02 /* request has been sent */ 363238104Sdes#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 364238104Sdes#define R_INTR 0x08 /* intr mnt, signal pending */ 365238104Sdes#define R_SOCKERR 0x10 /* Fatal error on socket */ 366238104Sdes#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 367238104Sdes#define R_MUSTRESEND 0x40 /* Must resend request */ 368238104Sdes#define R_GETONEREP 0x80 /* Probe for one reply only */ 369238104Sdes 370238104Sdes/* 371238104Sdes * A list of nfssvc_sock structures is maintained with all the sockets 372246854Sdes * that require service by the nfsd. 373246854Sdes * The nfsuid structs hang off of the nfssvc_sock structs in both lru 374238104Sdes * and uid hash lists. 375238104Sdes */ 376238104Sdes#ifndef NFS_UIDHASHSIZ 377238104Sdes#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 378238104Sdes#endif 379238104Sdes#define NUIDHASH(sock, uid) \ 380238104Sdes (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 381238104Sdes#ifndef NFS_WDELAYHASHSIZ 382238104Sdes#define NFS_WDELAYHASHSIZ 16 /* and with this */ 383238104Sdes#endif 384238104Sdes#define NWDELAYHASH(sock, f) \ 385238104Sdes (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ]) 386238104Sdes#ifndef NFS_MUIDHASHSIZ 387238104Sdes#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 388238104Sdes#endif 389238104Sdes#define NMUIDHASH(nmp, uid) \ 390238104Sdes (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 391238104Sdes#define NFSNOHASH(fhsum) \ 392238104Sdes (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 393238104Sdes 394238104Sdes/* 395238104Sdes * Network address hash list element 396238104Sdes */ 397238104Sdesunion nethostaddr { 398238104Sdes u_long had_inetaddr; 399238104Sdes struct sockaddr *had_nam; 400238104Sdes}; 401238104Sdes 402238104Sdesstruct nfsuid { 403238104Sdes TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 404238104Sdes LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 405238104Sdes int nu_flag; /* Flags */ 406238104Sdes union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 407238104Sdes struct ucred nu_cr; /* Cred uid mapped to */ 408238104Sdes int nu_expire; /* Expiry time (sec) */ 409238104Sdes struct timeval nu_timestamp; /* Kerb. timestamp */ 410238104Sdes u_long nu_nickname; /* Nickname on server */ 411238104Sdes NFSKERBKEY_T nu_key; /* and session key */ 412238104Sdes}; 413238104Sdes 414238104Sdes#define nu_inetaddr nu_haddr.had_inetaddr 415238104Sdes#define nu_nam nu_haddr.had_nam 416238104Sdes/* Bits for nu_flag */ 417238104Sdes#define NU_INETADDR 0x1 418238104Sdes#define NU_NAM 0x2 419238104Sdes#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 420238104Sdes 421238104Sdesstruct nfsrv_rec { 422238104Sdes STAILQ_ENTRY(nfsrv_rec) nr_link; 423238104Sdes struct sockaddr *nr_address; 424238104Sdes struct mbuf *nr_packet; 425238104Sdes}; 426238104Sdes 427238104Sdesstruct nfssvc_sock { 428238104Sdes TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 429238104Sdes TAILQ_HEAD(, nfsuid) ns_uidlruhead; 430238104Sdes struct file *ns_fp; 431238104Sdes struct socket *ns_so; 432238104Sdes struct sockaddr *ns_nam; 433238104Sdes struct mbuf *ns_raw; 434238104Sdes struct mbuf *ns_rawend; 435238104Sdes STAILQ_HEAD(, nfsrv_rec) ns_rec; 436238104Sdes struct mbuf *ns_frag; 437238104Sdes int ns_flag; 438238104Sdes int ns_solock; 439238104Sdes int ns_cc; 440238104Sdes int ns_reclen; 441238104Sdes int ns_numuids; 442238104Sdes u_long ns_sref; 443238104Sdes LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 444238104Sdes LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 445238104Sdes LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 446238104Sdes}; 447238104Sdes 448238104Sdes/* Bits for "ns_flag" */ 449238104Sdes#define SLP_VALID 0x01 450238104Sdes#define SLP_DOREC 0x02 451238104Sdes#define SLP_NEEDQ 0x04 452238104Sdes#define SLP_DISCONN 0x08 453238104Sdes#define SLP_GETSTREAM 0x10 454238104Sdes#define SLP_LASTFRAG 0x20 455238104Sdes#define SLP_ALLFLAGS 0xff 456238104Sdes 457238104Sdesextern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 458238104Sdesextern int nfssvc_sockhead_flag; 459246854Sdes#define SLP_INIT 0x01 460238104Sdes#define SLP_WANTINIT 0x02 461238104Sdes 462238104Sdes/* 463238104Sdes * One of these structures is allocated for each nfsd. 464238104Sdes */ 465238104Sdesstruct nfsd { 466238104Sdes TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 467238104Sdes int nfsd_flag; /* NFSD_ flags */ 468238104Sdes struct nfssvc_sock *nfsd_slp; /* Current socket */ 469238104Sdes int nfsd_authlen; /* Authenticator len */ 470238104Sdes u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 471238104Sdes int nfsd_verflen; /* and the Verifier */ 472238104Sdes u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 473238104Sdes struct proc *nfsd_procp; /* Proc ptr */ 474238104Sdes struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 475238104Sdes}; 476238104Sdes 477238104Sdes/* Bits for "nfsd_flag" */ 478246854Sdes#define NFSD_WAITING 0x01 479246854Sdes#define NFSD_REQINPROG 0x02 480246854Sdes#define NFSD_NEEDAUTH 0x04 481246854Sdes#define NFSD_AUTHFAIL 0x08 482246854Sdes 483246854Sdes/* 484238104Sdes * This structure is used by the server for describing each request. 485238104Sdes * Some fields are used only when write request gathering is performed. 486246854Sdes */ 487246854Sdesstruct nfsrv_descript { 488246854Sdes u_quad_t nd_time; /* Write deadline (usec) */ 489246854Sdes off_t nd_off; /* Start byte offset */ 490246854Sdes off_t nd_eoff; /* and end byte offset */ 491246854Sdes LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 492238104Sdes LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 493238104Sdes LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 494246854Sdes struct mbuf *nd_mrep; /* Request mbuf list */ 495246854Sdes struct mbuf *nd_md; /* Current dissect mbuf */ 496246854Sdes struct mbuf *nd_mreq; /* Reply mbuf list */ 497246854Sdes struct sockaddr *nd_nam; /* and socket addr */ 498246854Sdes struct sockaddr *nd_nam2; /* return socket addr */ 499246854Sdes caddr_t nd_dpos; /* Current dissect pos */ 500238104Sdes u_int32_t nd_procnum; /* RPC # */ 501238104Sdes int nd_stable; /* storage type */ 502246854Sdes int nd_flag; /* nd_flag */ 503246854Sdes int nd_len; /* Length of this write */ 504246854Sdes int nd_repstat; /* Reply status */ 505246854Sdes u_long nd_retxid; /* Reply xid */ 506246854Sdes u_long nd_duration; /* Lease duration */ 507246854Sdes struct timeval nd_starttime; /* Time RPC initiated */ 508238104Sdes fhandle_t nd_fh; /* File handle */ 509238104Sdes struct ucred nd_cr; /* Credentials */ 510246854Sdes}; 511246854Sdes 512246854Sdes/* Bits for "nd_flag" */ 513246854Sdes#define ND_READ LEASE_READ 514246854Sdes#define ND_WRITE LEASE_WRITE 515246854Sdes#define ND_CHECK 0x04 516238104Sdes#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 517238104Sdes#define ND_NFSV3 0x08 518246854Sdes#define ND_NQNFS 0x10 519246854Sdes#define ND_KERBNICK 0x20 520246854Sdes#define ND_KERBFULL 0x40 521246854Sdes#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 522246854Sdes 523246854Sdesextern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 524238104Sdesextern int nfsd_head_flag; 525238104Sdes#define NFSD_CHECKSLP 0x01 526246854Sdes 527246854Sdes/* 528246854Sdes * These macros compare nfsrv_descript structures. 529246854Sdes */ 530246854Sdes#define NFSW_CONTIG(o, n) \ 531246854Sdes ((o)->nd_eoff >= (n)->nd_off && \ 532238104Sdes !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 533238104Sdes 534246854Sdes#define NFSW_SAMECRED(o, n) \ 535246854Sdes (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 536246854Sdes !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 537246854Sdes sizeof (struct ucred))) 538246854Sdes 539246854Sdes/* 540246854Sdes * Defines for WebNFS 541238104Sdes */ 542238104Sdes 543246854Sdes#define WEBNFS_ESC_CHAR '%' 544246854Sdes#define WEBNFS_SPECCHAR_START 0x80 545246854Sdes 546246854Sdes#define WEBNFS_NATIVE_CHAR 0x80 547246854Sdes/* 548246854Sdes * .. 549238104Sdes * Possibly more here in the future. 550238104Sdes */ 551246854Sdes 552246854Sdes/* 553246854Sdes * Macro for converting escape characters in WebNFS pathnames. 554246854Sdes * Should really be in libkern. 555246854Sdes */ 556246854Sdes 557238104Sdes#define HEXTOC(c) \ 558238104Sdes ((c) >= 'a' ? ((c) - ('a' - 10)) : \ 559246854Sdes ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) 560246854Sdes#define HEXSTRTOI(p) \ 561246854Sdes ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) 562246854Sdes 563246854Sdes#ifdef NFS_DEBUG 564246854Sdes 565238104Sdesextern int nfs_debug; 566238104Sdes#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 567246854Sdes#define NFS_DEBUG_WG 2 /* server write gathering */ 568246854Sdes#define NFS_DEBUG_RC 4 /* server request caching */ 569246854Sdes 570246854Sdes#define NFS_DPF(cat, args) \ 571246854Sdes do { \ 572246854Sdes if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 573238104Sdes } while (0) 574238104Sdes 575246854Sdes#else 576246854Sdes 577246854Sdes#define NFS_DPF(cat, args) 578246854Sdes 579246854Sdes#endif 580246854Sdes 581238104Sdesu_quad_t nfs_curusec __P((void)); 582238104Sdesint nfs_init __P((struct vfsconf *vfsp)); 583246854Sdesint nfs_reply __P((struct nfsreq *)); 584246854Sdesint nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 585246854Sdesint nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *, 586246854Sdes struct nfsreq *)); 587246854Sdesint nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, 588246854Sdes int, int, u_quad_t *, struct mbuf **, struct mbuf **, 589238104Sdes caddr_t *)); 590238104Sdesint nfs_sndlock __P((int *, int *, struct nfsreq *)); 591246854Sdesvoid nfs_sndunlock __P((int *, int *)); 592246854Sdesint nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 593246854Sdesint nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *, 594246854Sdes int)); 595246854Sdesint nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); 596246854Sdesint nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, 597238104Sdes int *)); 598238104Sdesint nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); 599246854Sdesint nfs_asyncio __P((struct buf *, struct ucred *)); 600246854Sdesint nfs_doio __P((struct buf *, struct ucred *, struct proc *)); 601246854Sdesint nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); 602246854Sdesint nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); 603246854Sdesint nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); 604246854Sdesint nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 605238104Sdesvoid nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, 606238104Sdes struct nfs_fattr *)); 607246854Sdesvoid nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, 608246854Sdes struct vattr *, struct mbuf **, char **)); 609246854Sdesvoid nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, 610246854Sdes struct mbuf **, char **)); 611246854Sdesint netaddr_match __P((int, union nethostaddr *, struct sockaddr *)); 612246854Sdesint nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *, 613246854Sdes struct ucred *, struct mbuf **, struct mbuf **, 614238104Sdes caddr_t *)); 615238104Sdesint nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, 616246854Sdes struct vattr *)); 617246854Sdesint nfs_namei __P((struct nameidata *, fhandle_t *, int, 618246854Sdes struct nfssvc_sock *, struct sockaddr *, struct mbuf **, 619246854Sdes caddr_t *, struct vnode **, struct proc *, int, int)); 620246854Sdesvoid nfsm_adj __P((struct mbuf *, int, int)); 621246854Sdesint nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); 622238104Sdesvoid nfsrv_initcache __P((void)); 623238104Sdesint nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, 624246854Sdes char **, int *, char *, int *, NFSKERBKEY_T)); 625246854Sdesint nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, 626246854Sdes int *, char *, int)); 627246854Sdesint nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, 628246854Sdes NFSKERBKEY_T, struct mbuf **, char **, 629246854Sdes struct mbuf *)); 630238104Sdesint nfs_adv __P((struct mbuf **, caddr_t *, int, int)); 631238104Sdesvoid nfs_nhinit __P((void)); 632246854Sdesvoid nfs_timer __P((void*)); 633246854Sdesu_long nfs_hash __P((nfsfh_t *, int)); 634246854Sdesint nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, 635246854Sdes struct nfsrv_descript **)); 636246854Sdesint nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, 637246854Sdes struct mbuf **)); 638238104Sdesvoid nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); 639238104Sdesvoid nfsrv_cleancache __P((void)); 640246854Sdesint nfs_connect __P((struct nfsmount *, struct nfsreq *)); 641246854Sdesvoid nfs_disconnect __P((struct nfsmount *)); 642246854Sdesint nfs_getattrcache __P((struct vnode *, struct vattr *)); 643246854Sdesint nfsm_strtmbuf __P((struct mbuf **, char **, char *, long)); 644246854Sdesint nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *, 645246854Sdes int)); 646238104Sdesint nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); 647238104Sdesvoid nfsrv_init __P((int)); 648246854Sdesvoid nfs_clearcommit __P((struct mount *)); 649246854Sdesint nfsrv_errmap __P((struct nfsrv_descript *, int)); 650246854Sdesvoid nfsrvw_sort __P((gid_t *, int)); 651246854Sdesvoid nfsrv_setcred __P((struct ucred *, struct ucred *)); 652246854Sdesint nfs_writebp __P((struct buf *, int)); 653246854Sdesint nfsrv_object_create __P((struct vnode *)); 654246854Sdesvoid nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); 655238104Sdesint nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 656238104Sdes struct proc *, struct mbuf **)); 657246854Sdesint nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 658246854Sdes struct proc *p)); 659246854Sdes 660246854Sdesint nfsrv3_access __P((struct nfsrv_descript *nfsd, 661246854Sdes struct nfssvc_sock *slp, 662246854Sdes struct proc *procp, struct mbuf **mrq)); 663238104Sdesint nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 664238104Sdes struct proc *procp, struct mbuf **mrq)); 665246854Sdesint nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 666246854Sdes struct proc *procp, struct mbuf **mrq)); 667246854Sdesint nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, 668246854Sdes struct nfssvc_sock *, struct sockaddr *, int *, 669246854Sdes int, int)); 670246854Sdesint nfsrv_setpublicfs __P((struct mount *, struct netexport *, 671238104Sdes struct export_args *)); 672238104Sdesint nfs_ispublicfh __P((fhandle_t *)); 673246854Sdesint nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 674246854Sdes struct proc *procp, struct mbuf **mrq)); 675246854Sdesint nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 676246854Sdes struct proc *procp, struct mbuf **mrq)); 677246854Sdesint nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 678246854Sdes struct proc *procp, struct mbuf **mrq)); 679246854Sdesint nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 680246854Sdes struct proc *procp, struct mbuf **mrq)); 681238104Sdesint nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 682238104Sdes struct proc *procp, struct mbuf **mrq)); 683246854Sdesint nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 684246854Sdes struct proc *procp, struct mbuf **mrq)); 685246854Sdesint nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 686246854Sdes struct proc *procp, struct mbuf **mrq)); 687246854Sdesint nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 688246854Sdes struct proc *procp, struct mbuf **mrq)); 689246854Sdesint nfsrv_pathconf __P((struct nfsrv_descript *nfsd, 690246854Sdes struct nfssvc_sock *slp, struct proc *procp, 691246854Sdes struct mbuf **mrq)); 692246854Sdesint nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 693246854Sdes struct proc *procp, struct mbuf **mrq)); 694246854Sdesint nfsrv_readdir __P((struct nfsrv_descript *nfsd, 695246854Sdes struct nfssvc_sock *slp, 696246854Sdes struct proc *procp, struct mbuf **mrq)); 697246854Sdesint nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, 698238104Sdes struct nfssvc_sock *slp, struct proc *procp, 699246854Sdes struct mbuf **mrq)); 700246854Sdesint nfsrv_readlink __P((struct nfsrv_descript *nfsd, 701246854Sdes struct nfssvc_sock *slp, struct proc *procp, 702246854Sdes struct mbuf **mrq)); 703246854Sdesint nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 704246854Sdes struct proc *procp, struct mbuf **mrq)); 705246854Sdesint nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 706246854Sdes struct proc *procp, struct mbuf **mrq)); 707246854Sdesint nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 708246854Sdes struct proc *procp, struct mbuf **mrq)); 709246854Sdesint nfsrv_setattr __P((struct nfsrv_descript *nfsd, 710246854Sdes struct nfssvc_sock *slp, 711246854Sdes struct proc *procp, struct mbuf **mrq)); 712246854Sdesint nfsrv_statfs __P((struct nfsrv_descript *nfsd, 713246854Sdes struct nfssvc_sock *slp, 714246854Sdes struct proc *procp, struct mbuf **mrq)); 715246854Sdesint nfsrv_symlink __P((struct nfsrv_descript *nfsd, 716246854Sdes struct nfssvc_sock *slp, 717246854Sdes struct proc *procp, struct mbuf **mrq)); 718238104Sdesint nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 719238104Sdes struct proc *procp, struct mbuf **mrq)); 720246854Sdesvoid nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag)); 721246854Sdesvoid nfsrv_slpderef __P((struct nfssvc_sock *slp)); 722246854Sdes#endif /* KERNEL */ 723238104Sdes 724238104Sdes#endif 725246854Sdes