nfsargs.h revision 74384
1219560Savg/* 2219560Savg * Copyright (c) 1989, 1993, 1995 3219560Savg * The Regents of the University of California. All rights reserved. 4219560Savg * 5219560Savg * This code is derived from software contributed to Berkeley by 6219560Savg * Rick Macklem at The University of Guelph. 7219560Savg * 8219560Savg * Redistribution and use in source and binary forms, with or without 9219560Savg * modification, are permitted provided that the following conditions 10219560Savg * are met: 11219560Savg * 1. Redistributions of source code must retain the above copyright 12219560Savg * notice, this list of conditions and the following disclaimer. 13219560Savg * 2. Redistributions in binary form must reproduce the above copyright 14232449Sjmallett * notice, this list of conditions and the following disclaimer in the 15219560Savg * documentation and/or other materials provided with the distribution. 16219560Savg * 3. All advertising materials mentioning features or use of this software 17219560Savg * must display the following acknowledgement: 18219560Savg * This product includes software developed by the University of 19219560Savg * California, Berkeley and its contributors. 20219560Savg * 4. Neither the name of the University nor the names of its contributors 21219560Savg * may be used to endorse or promote products derived from this software 22219560Savg * without specific prior written permission. 23219560Savg * 24219560Savg * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25219560Savg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26219560Savg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27219560Savg * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28219560Savg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29219560Savg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30219560Savg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31219560Savg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32219560Savg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33219560Savg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34219560Savg * SUCH DAMAGE. 35219560Savg * 36219560Savg * @(#)nfs.h 8.4 (Berkeley) 5/1/95 37219560Savg * $FreeBSD: head/sys/nfsclient/nfsargs.h 74384 2001-03-17 09:31:06Z peter $ 38219560Savg */ 39219560Savg 40219560Savg#ifndef _NFS_NFS_H_ 41219560Savg#define _NFS_NFS_H_ 42219560Savg 43219560Savg#ifdef _KERNEL 44219560Savg#include "opt_nfs.h" 45219560Savg#endif 46219560Savg 47219560Savg/* 48219560Savg * Tunable constants for nfs 49219560Savg */ 50219560Savg 51219560Savg#define NFS_MAXIOVEC 34 52219560Savg#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 53219560Savg#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 54219560Savg#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 55219560Savg#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 56219560Savg#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 57219560Savg#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 58219560Savg#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 59219560Savg#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 60219560Savg#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 61219560Savg#define NFS_MAXGRPS 16 /* Max. size of groups list */ 62219560Savg#ifndef NFS_MINATTRTIMO 63219560Savg#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */ 64219560Savg#endif 65219560Savg#ifndef NFS_MAXATTRTIMO 66219560Savg#define NFS_MAXATTRTIMO 60 67219560Savg#endif 68219560Savg#ifndef NFS_MINDIRATTRTIMO 69219560Savg#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */ 70219560Savg#endif 71219560Savg#ifndef NFS_MAXDIRATTRTIMO 72219560Savg#define NFS_MAXDIRATTRTIMO 60 73219560Savg#endif 74219560Savg#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 75219560Savg#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 76219560Savg#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 77219560Savg#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 78219560Savg#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 79219560Savg#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 80219560Savg#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */ 81219560Savg#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 82219560Savg#ifndef NFS_GATHERDELAY 83219560Savg#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 84219560Savg#endif 85219560Savg#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 86219560Savg#ifdef _KERNEL 87219560Savg#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ 88219560Savg#endif 89219560Savg 90219560Savg/* 91219560Savg * Oddballs 92219560Savg */ 93219560Savg#define NMOD(a) ((a) % nfs_asyncdaemons) 94219560Savg#define NFS_CMPFH(n, f, s) \ 95219560Savg ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 96219560Savg#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 97219560Savg#define NFS_SRVMAXDATA(n) \ 98219560Savg (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 99219560Savg NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 100219560Savg 101219560Savg/* 102219560Savg * XXX 103219560Savg * The B_INVAFTERWRITE flag should be set to whatever is required by the 104219560Savg * buffer cache code to say "Invalidate the block after it is written back". 105219560Savg */ 106219560Savg#define B_INVAFTERWRITE B_NOCACHE 107219560Savg 108219560Savg/* 109219560Savg * The IO_METASYNC flag should be implemented for local file systems. 110219560Savg * (Until then, it is nothin at all.) 111219560Savg */ 112219560Savg#ifndef IO_METASYNC 113219560Savg#define IO_METASYNC 0 114219560Savg#endif 115219560Savg 116219560Savg/* 117219560Savg * Arguments to mount NFS 118219560Savg */ 119219560Savg#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ 120219560Savgstruct nfs_args { 121219560Savg int version; /* args structure version number */ 122219560Savg struct sockaddr *addr; /* file server address */ 123219560Savg int addrlen; /* length of address */ 124219560Savg int sotype; /* Socket type */ 125219560Savg int proto; /* and Protocol */ 126219560Savg u_char *fh; /* File handle to be mounted */ 127219560Savg int fhsize; /* Size, in bytes, of fh */ 128219560Savg int flags; /* flags */ 129219560Savg int wsize; /* write size in bytes */ 130219560Savg int rsize; /* read size in bytes */ 131219560Savg int readdirsize; /* readdir size in bytes */ 132219560Savg int timeo; /* initial timeout in .1 secs */ 133219560Savg int retrans; /* times to retry send */ 134219560Savg int maxgrouplist; /* Max. size of group list */ 135219560Savg int readahead; /* # of blocks to readahead */ 136219560Savg int leaseterm; /* Term (sec) of lease */ 137219560Savg int deadthresh; /* Retrans threshold */ 138219560Savg char *hostname; /* server's name */ 139219560Savg int acregmin; /* cache attrs for reg files min time */ 140219560Savg int acregmax; /* cache attrs for reg files max time */ 141219560Savg int acdirmin; /* cache attrs for dirs min time */ 142219560Savg int acdirmax; /* cache attrs for dirs max time */ 143219560Savg}; 144219560Savg 145219560Savg/* 146219560Savg * NFS mount option flags 147219560Savg */ 148219560Savg#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 149219560Savg#define NFSMNT_WSIZE 0x00000002 /* set write size */ 150219560Savg#define NFSMNT_RSIZE 0x00000004 /* set read size */ 151219560Savg#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 152219560Savg#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 153219560Savg#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 154219560Savg#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 155219560Savg#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 156219560Savg#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */ 157219560Savg#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 158219560Savg#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ 159219560Savg#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 160219560Savg#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ 161219560Savg#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 162219560Savg#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ 163219560Savg#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 164219560Savg#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 165219560Savg#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 166219560Savg#define NFSMNT_ACREGMIN 0x00040000 167219560Savg#define NFSMNT_ACREGMAX 0x00080000 168219560Savg#define NFSMNT_ACDIRMIN 0x00100000 169219560Savg#define NFSMNT_ACDIRMAX 0x00200000 170219560Savg 171219560Savg#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 172219560Savg#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 173219560Savg#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 174219560Savg#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ 175219560Savg#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ 176219560Savg#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ 177219560Savg#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ 178219560Savg#define NFSSTA_WANTSND 0x02000000 /* Want above */ 179219560Savg#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ 180219560Savg#define NFSSTA_WANTRCV 0x08000000 /* Want above */ 181219560Savg#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ 182219560Savg#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ 183219560Savg#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ 184219560Savg#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ 185219560Savg 186219560Savg/* 187219560Savg * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 188219560Savg * should ever try and use it. 189219560Savg */ 190219560Savgstruct nfsd_args { 191219560Savg int sock; /* Socket to serve */ 192219560Savg caddr_t name; /* Client addr for connection based sockets */ 193219560Savg int namelen; /* Length of name */ 194219560Savg}; 195219560Savg 196219560Savgstruct nfsd_srvargs { 197219560Savg struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 198219560Savg uid_t nsd_uid; /* Effective uid mapped to cred */ 199219560Savg u_int32_t nsd_haddr; /* Ip address of client */ 200219560Savg struct xucred nsd_cr; /* Cred. uid maps to */ 201219560Savg int nsd_authlen; /* Length of auth string (ret) */ 202219560Savg u_char *nsd_authstr; /* Auth string (ret) */ 203219560Savg int nsd_verflen; /* and the verfier */ 204219560Savg u_char *nsd_verfstr; 205219560Savg struct timeval nsd_timestamp; /* timestamp from verifier */ 206219560Savg u_int32_t nsd_ttl; /* credential ttl (sec) */ 207219560Savg NFSKERBKEY_T nsd_key; /* Session key */ 208219560Savg}; 209219560Savg 210219560Savgstruct nfsd_cargs { 211219560Savg char *ncd_dirp; /* Mount dir path */ 212236027Sed uid_t ncd_authuid; /* Effective uid */ 213236027Sed int ncd_authtype; /* Type of authenticator */ 214219560Savg int ncd_authlen; /* Length of authenticator string */ 215236027Sed u_char *ncd_authstr; /* Authenticator string */ 216236027Sed int ncd_verflen; /* and the verifier */ 217219560Savg u_char *ncd_verfstr; 218219560Savg NFSKERBKEY_T ncd_key; /* Session key */ 219219560Savg}; 220219560Savg 221219560Savg/* 222219560Savg * XXX to allow amd to include nfs.h without nfsproto.h 223219560Savg */ 224219560Savg#ifdef NFS_NPROCS 225219560Savg/* 226219560Savg * Stats structure 227219560Savg */ 228219560Savgstruct nfsstats { 229219560Savg int attrcache_hits; 230219560Savg int attrcache_misses; 231219560Savg int lookupcache_hits; 232219560Savg int lookupcache_misses; 233219560Savg int direofcache_hits; 234219560Savg int direofcache_misses; 235219560Savg int biocache_reads; 236219560Savg int read_bios; 237219560Savg int read_physios; 238219560Savg int biocache_writes; 239219560Savg int write_bios; 240219560Savg int write_physios; 241219560Savg int biocache_readlinks; 242219560Savg int readlink_bios; 243219560Savg int biocache_readdirs; 244219560Savg int readdir_bios; 245219560Savg int rpccnt[NFS_NPROCS]; 246219560Savg int rpcretries; 247219560Savg int srvrpccnt[NFS_NPROCS]; 248219560Savg int srvrpc_errs; 249219560Savg int srv_errs; 250219560Savg int rpcrequests; 251227692Sed int rpctimeouts; 252219560Savg int rpcunexpected; 253219560Savg int rpcinvalid; 254219560Savg int srvcache_inproghits; 255219560Savg int srvcache_idemdonehits; 256219560Savg int srvcache_nonidemdonehits; 257219560Savg int srvcache_misses; 258248598Spjd int srvnqnfs_leases; 259248598Spjd int srvnqnfs_maxleases; 260219560Savg int srvnqnfs_getleases; 261219560Savg int srvvop_writes; 262219560Savg int accesscache_hits; 263219560Savg int accesscache_misses; 264219560Savg}; 265219560Savg#endif 266219560Savg 267248598Spjd/* 268219560Savg * Flags for nfssvc() system call. 269219560Savg */ 270219560Savg#define NFSSVC_BIOD 0x002 271219560Savg#define NFSSVC_NFSD 0x004 272219560Savg#define NFSSVC_ADDSOCK 0x008 273219560Savg#define NFSSVC_AUTHIN 0x010 274219560Savg#define NFSSVC_GOTAUTH 0x040 275219560Savg#define NFSSVC_AUTHINFAIL 0x080 276219560Savg#define NFSSVC_MNTD 0x100 277219560Savg 278219560Savg/* 279219560Savg * fs.nfs sysctl(3) identifiers 280219560Savg */ 281219560Savg#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 282219560Savg#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ 283219560Savg 284219560Savg#define FS_NFS_NAMES { \ 285219560Savg { 0, 0 }, \ 286219560Savg { "nfsstats", CTLTYPE_STRUCT }, \ 287219560Savg { "nfsprivport", CTLTYPE_INT }, \ 288219560Savg} 289219560Savg 290219560Savg#ifdef _KERNEL 291219560Savg 292219560Savg#ifdef MALLOC_DECLARE 293219560SavgMALLOC_DECLARE(M_NFSREQ); 294219560SavgMALLOC_DECLARE(M_NFSDIROFF); 295219560SavgMALLOC_DECLARE(M_NFSRVDESC); 296219560SavgMALLOC_DECLARE(M_NFSUID); 297219560SavgMALLOC_DECLARE(M_NQLEASE); 298219560SavgMALLOC_DECLARE(M_NFSD); 299219560SavgMALLOC_DECLARE(M_NFSBIGFH); 300219560SavgMALLOC_DECLARE(M_NFSHASH); 301219560Savg#endif 302219560Savg 303219560Savg#ifdef ZONE_INTERRUPT 304219560Savgextern vm_zone_t nfsmount_zone; 305219560Savg#endif 306219560Savg 307219560Savgextern struct callout_handle nfs_timer_handle; 308219560Savg 309219560Savgstruct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 310219560Savg 311219560Savg/* 312219560Savg * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 313219560Savg * What should be in this set is open to debate, but I believe that since 314219560Savg * I/O system calls on ufs are never interrupted by signals the set should 315219560Savg * be minimal. My reasoning is that many current programs that use signals 316219560Savg * such as SIGALRM will not expect file I/O system calls to be interrupted 317219560Savg * by them and break. 318219560Savg */ 319219560Savg#define NFSINT_SIGMASK(set) \ 320219560Savg (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \ 321219560Savg SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \ 322219560Savg SIGISMEMBER(set, SIGQUIT)) 323219560Savg 324219560Savg/* 325219560Savg * Socket errors ignored for connectionless sockets?? 326219560Savg * For now, ignore them all 327219560Savg */ 328219560Savg#define NFSIGNORE_SOERROR(s, e) \ 329219560Savg ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 330219560Savg ((s) & PR_CONNREQUIRED) == 0) 331219560Savg 332219560Savg/* 333219560Savg * Nfs outstanding request list element 334219560Savg */ 335219560Savgstruct nfsreq { 336219560Savg TAILQ_ENTRY(nfsreq) r_chain; 337219560Savg struct mbuf *r_mreq; 338219560Savg struct mbuf *r_mrep; 339219560Savg struct mbuf *r_md; 340219560Savg caddr_t r_dpos; 341219560Savg struct nfsmount *r_nmp; 342219560Savg struct vnode *r_vp; 343219560Savg u_int32_t r_xid; 344219560Savg int r_flags; /* flags on request, see below */ 345219560Savg int r_retry; /* max retransmission count */ 346219560Savg int r_rexmit; /* current retrans count */ 347219560Savg int r_timer; /* tick counter on reply */ 348219560Savg u_int32_t r_procnum; /* NFS procedure number */ 349219560Savg int r_rtt; /* RTT for rpc */ 350219560Savg struct proc *r_procp; /* Proc that did I/O system call */ 351219560Savg}; 352219560Savg 353219560Savg/* 354219560Savg * Queue head for nfsreq's 355219560Savg */ 356219560Savgextern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 357219560Savg 358219560Savg/* Flag values for r_flags */ 359219560Savg#define R_TIMING 0x01 /* timing request (in mntp) */ 360219560Savg#define R_SENT 0x02 /* request has been sent */ 361219560Savg#define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 362219560Savg#define R_INTR 0x08 /* intr mnt, signal pending */ 363219560Savg#define R_SOCKERR 0x10 /* Fatal error on socket */ 364219560Savg#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 365219560Savg#define R_MUSTRESEND 0x40 /* Must resend request */ 366219560Savg#define R_GETONEREP 0x80 /* Probe for one reply only */ 367219560Savg 368219560Savg/* 369219560Savg * A list of nfssvc_sock structures is maintained with all the sockets 370219560Savg * that require service by the nfsd. 371219560Savg * The nfsuid structs hang off of the nfssvc_sock structs in both lru 372219560Savg * and uid hash lists. 373219560Savg */ 374219560Savg#ifndef NFS_UIDHASHSIZ 375219560Savg#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 376219560Savg#endif 377219560Savg#define NUIDHASH(sock, uid) \ 378219560Savg (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 379219560Savg#ifndef NFS_WDELAYHASHSIZ 380219560Savg#define NFS_WDELAYHASHSIZ 16 /* and with this */ 381219560Savg#endif 382219560Savg#define NWDELAYHASH(sock, f) \ 383219560Savg (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) 384219560Savg#ifndef NFS_MUIDHASHSIZ 385219560Savg#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 386219560Savg#endif 387219560Savg#define NMUIDHASH(nmp, uid) \ 388219560Savg (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 389219560Savg#define NFSNOHASH(fhsum) \ 390219560Savg (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 391219560Savg 392219560Savg/* 393219560Savg * Network address hash list element 394219560Savg */ 395219560Savgunion nethostaddr { 396219560Savg u_int32_t had_inetaddr; 397219560Savg struct sockaddr *had_nam; 398219560Savg}; 399219560Savg 400219560Savgstruct nfsuid { 401219560Savg TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 402219560Savg LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 403219560Savg int nu_flag; /* Flags */ 404219560Savg union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 405236027Sed struct ucred nu_cr; /* Cred uid mapped to */ 406236027Sed int nu_expire; /* Expiry time (sec) */ 407219560Savg struct timeval nu_timestamp; /* Kerb. timestamp */ 408219560Savg u_int32_t nu_nickname; /* Nickname on server */ 409219560Savg NFSKERBKEY_T nu_key; /* and session key */ 410219560Savg}; 411219560Savg 412219560Savg#define nu_inetaddr nu_haddr.had_inetaddr 413219560Savg#define nu_nam nu_haddr.had_nam 414219560Savg/* Bits for nu_flag */ 415219560Savg#define NU_INETADDR 0x1 416219560Savg#define NU_NAM 0x2 417219560Savg#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 418219560Savg 419219560Savgstruct nfsrv_rec { 420219560Savg STAILQ_ENTRY(nfsrv_rec) nr_link; 421219560Savg struct sockaddr *nr_address; 422219560Savg struct mbuf *nr_packet; 423219560Savg}; 424219560Savg 425219560Savgstruct nfssvc_sock { 426219560Savg TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 427219560Savg TAILQ_HEAD(, nfsuid) ns_uidlruhead; 428219560Savg struct file *ns_fp; 429219560Savg struct socket *ns_so; 430219560Savg struct sockaddr *ns_nam; 431219560Savg struct mbuf *ns_raw; 432219560Savg struct mbuf *ns_rawend; 433219560Savg STAILQ_HEAD(, nfsrv_rec) ns_rec; 434219560Savg struct mbuf *ns_frag; 435219560Savg int ns_flag; 436219560Savg int ns_solock; 437219560Savg int ns_cc; 438219560Savg int ns_reclen; 439219560Savg int ns_numuids; 440219560Savg u_int32_t ns_sref; 441219560Savg LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 442219560Savg LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 443219560Savg LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 444219560Savg}; 445219560Savg 446219560Savg/* Bits for "ns_flag" */ 447219560Savg#define SLP_VALID 0x01 448219560Savg#define SLP_DOREC 0x02 449219560Savg#define SLP_NEEDQ 0x04 450219560Savg#define SLP_DISCONN 0x08 451219560Savg#define SLP_GETSTREAM 0x10 452219560Savg#define SLP_LASTFRAG 0x20 453219560Savg#define SLP_ALLFLAGS 0xff 454219560Savg 455219560Savgextern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 456219560Savgextern int nfssvc_sockhead_flag; 457219560Savg#define SLP_INIT 0x01 458219560Savg#define SLP_WANTINIT 0x02 459219560Savg 460219560Savg/* 461219560Savg * One of these structures is allocated for each nfsd. 462219560Savg */ 463219560Savgstruct nfsd { 464219560Savg TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 465219560Savg int nfsd_flag; /* NFSD_ flags */ 466219560Savg struct nfssvc_sock *nfsd_slp; /* Current socket */ 467226349Smarcel int nfsd_authlen; /* Authenticator len */ 468219560Savg u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 469226349Smarcel int nfsd_verflen; /* and the Verifier */ 470219560Savg u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 471219560Savg struct proc *nfsd_procp; /* Proc ptr */ 472219560Savg struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 473219560Savg}; 474219560Savg 475219560Savg/* Bits for "nfsd_flag" */ 476219560Savg#define NFSD_WAITING 0x01 477219560Savg#define NFSD_REQINPROG 0x02 478219560Savg#define NFSD_NEEDAUTH 0x04 479219560Savg#define NFSD_AUTHFAIL 0x08 480219560Savg 481219560Savg/* 482219560Savg * This structure is used by the server for describing each request. 483219560Savg * Some fields are used only when write request gathering is performed. 484219560Savg */ 485219560Savgstruct nfsrv_descript { 486219560Savg u_quad_t nd_time; /* Write deadline (usec) */ 487219560Savg off_t nd_off; /* Start byte offset */ 488219560Savg off_t nd_eoff; /* and end byte offset */ 489219560Savg LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 490219560Savg LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 491219560Savg LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 492219560Savg struct mbuf *nd_mrep; /* Request mbuf list */ 493219560Savg struct mbuf *nd_md; /* Current dissect mbuf */ 494219560Savg struct mbuf *nd_mreq; /* Reply mbuf list */ 495219560Savg struct sockaddr *nd_nam; /* and socket addr */ 496219560Savg struct sockaddr *nd_nam2; /* return socket addr */ 497219560Savg caddr_t nd_dpos; /* Current dissect pos */ 498219560Savg u_int32_t nd_procnum; /* RPC # */ 499219560Savg int nd_stable; /* storage type */ 500219560Savg int nd_flag; /* nd_flag */ 501219560Savg int nd_len; /* Length of this write */ 502219560Savg int nd_repstat; /* Reply status */ 503219560Savg u_int32_t nd_retxid; /* Reply xid */ 504219560Savg u_int32_t nd_duration; /* Lease duration */ 505219560Savg struct timeval nd_starttime; /* Time RPC initiated */ 506219560Savg fhandle_t nd_fh; /* File handle */ 507219560Savg struct ucred nd_cr; /* Credentials */ 508219560Savg}; 509219560Savg 510219560Savg/* Bits for "nd_flag" */ 511219560Savg#define ND_READ LEASE_READ 512219560Savg#define ND_WRITE LEASE_WRITE 513219560Savg#define ND_CHECK 0x04 514219560Savg#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 515219560Savg#define ND_NFSV3 0x08 516219560Savg#define ND_NQNFS 0x10 517219560Savg#define ND_KERBNICK 0x20 518219560Savg#define ND_KERBFULL 0x40 519219560Savg#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 520219560Savg 521219560Savgextern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 522219560Savgextern int nfsd_head_flag; 523219560Savg#define NFSD_CHECKSLP 0x01 524219560Savg 525219560Savg/* 526219560Savg * These macros compare nfsrv_descript structures. 527219560Savg */ 528219560Savg#define NFSW_CONTIG(o, n) \ 529219560Savg ((o)->nd_eoff >= (n)->nd_off && \ 530219560Savg !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 531219560Savg 532219560Savg#define NFSW_SAMECRED(o, n) \ 533219560Savg (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 534219560Savg !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 535219560Savg sizeof (struct ucred))) 536219560Savg 537219560Savg/* 538219560Savg * Defines for WebNFS 539219560Savg */ 540219560Savg 541219560Savg#define WEBNFS_ESC_CHAR '%' 542219560Savg#define WEBNFS_SPECCHAR_START 0x80 543219560Savg 544219560Savg#define WEBNFS_NATIVE_CHAR 0x80 545219560Savg/* 546219560Savg * .. 547219560Savg * Possibly more here in the future. 548219560Savg */ 549219560Savg 550219560Savg/* 551219560Savg * Macro for converting escape characters in WebNFS pathnames. 552219560Savg * Should really be in libkern. 553219560Savg */ 554219560Savg 555219560Savg#define HEXTOC(c) \ 556219560Savg ((c) >= 'a' ? ((c) - ('a' - 10)) : \ 557219560Savg ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) 558219560Savg#define HEXSTRTOI(p) \ 559219560Savg ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) 560219560Savg 561219560Savg#ifdef NFS_DEBUG 562219560Savg 563219560Savgextern int nfs_debug; 564219560Savg#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ 565219560Savg#define NFS_DEBUG_WG 2 /* server write gathering */ 566219560Savg#define NFS_DEBUG_RC 4 /* server request caching */ 567219560Savg 568219560Savg#define NFS_DPF(cat, args) \ 569219560Savg do { \ 570219560Savg if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 571219560Savg } while (0) 572219560Savg 573219560Savg#else 574219560Savg 575219560Savg#define NFS_DPF(cat, args) 576219560Savg 577219560Savg#endif 578219560Savg 579219560Savgu_quad_t nfs_curusec __P((void)); 580219560Savgint nfs_init __P((struct vfsconf *vfsp)); 581219560Savgint nfs_uninit __P((struct vfsconf *vfsp)); 582219560Savgint nfs_reply __P((struct nfsreq *)); 583219560Savgint nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); 584219560Savgint nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *, 585219560Savg struct nfsreq *)); 586219560Savgint nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, 587219560Savg int, int, u_quad_t *, struct mbuf **, struct mbuf **, 588219560Savg caddr_t *)); 589219560Savgint nfs_sndlock __P((struct nfsreq *)); 590219560Savgvoid nfs_sndunlock __P((struct nfsreq *)); 591219560Savgint nfs_slplock __P((struct nfssvc_sock *, int)); 592219560Savgvoid nfs_slpunlock __P((struct nfssvc_sock *)); 593219560Savgint nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 594219560Savgint nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *, 595219560Savg int)); 596219560Savgint nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); 597219560Savgint nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, 598219560Savg int *)); 599219560Savgint nfs_commit __P((struct vnode *vp, u_quad_t offset, int cnt, 600219560Savg struct ucred *cred, struct proc *procp)); 601219560Savgint nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); 602219560Savgint nfs_asyncio __P((struct buf *, struct ucred *, struct proc *)); 603219560Savgint nfs_doio __P((struct buf *, struct ucred *, struct proc *)); 604219560Savgint nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); 605219560Savgint nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); 606219560Savgint nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); 607219560Savgint nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); 608219560Savgvoid nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, 609219560Savg struct nfs_fattr *)); 610219560Savgvoid nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, 611219560Savg struct vattr *, struct mbuf **, char **)); 612219560Savgvoid nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, 613219560Savg struct mbuf **, char **)); 614219560Savgint netaddr_match __P((int, union nethostaddr *, struct sockaddr *)); 615219560Savgint nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *, 616219560Savg struct ucred *, struct mbuf **, struct mbuf **, 617219560Savg caddr_t *)); 618219560Savgint nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, 619219560Savg struct vattr *, int)); 620219560Savgint nfs_namei __P((struct nameidata *, fhandle_t *, int, 621219560Savg struct nfssvc_sock *, struct sockaddr *, struct mbuf **, 622219560Savg caddr_t *, struct vnode **, struct proc *, int, int)); 623219560Savgvoid nfsm_adj __P((struct mbuf *, int, int)); 624219560Savgint nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); 625219560Savgvoid nfsrv_initcache __P((void)); 626219560Savgint nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, 627219560Savg char **, int *, char *, int *, NFSKERBKEY_T)); 628219560Savgint nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, 629219560Savg int *, char *, int)); 630219560Savgint nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, 631219560Savg NFSKERBKEY_T, struct mbuf **, char **, 632219560Savg struct mbuf *)); 633219560Savgint nfs_adv __P((struct mbuf **, caddr_t *, int, int)); 634219560Savgvoid nfs_nhinit __P((void)); 635219560Savgvoid nfs_timer __P((void*)); 636219560Savgint nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, 637219560Savg struct nfsrv_descript **)); 638219560Savgint nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, 639219560Savg struct mbuf **)); 640219560Savgvoid nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); 641219560Savgvoid nfsrv_cleancache __P((void)); 642219560Savgint nfs_connect __P((struct nfsmount *, struct nfsreq *)); 643219560Savgvoid nfs_disconnect __P((struct nfsmount *)); 644219560Savgvoid nfs_safedisconnect __P((struct nfsmount *)); 645219560Savgint nfs_getattrcache __P((struct vnode *, struct vattr *)); 646219560Savgint nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long)); 647219560Savgint nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *)); 648219560Savgint nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); 649219560Savgvoid nfsrv_init __P((int)); 650219560Savgvoid nfs_clearcommit __P((struct mount *)); 651219560Savgint nfsrv_errmap __P((struct nfsrv_descript *, int)); 652219560Savgvoid nfsrvw_sort __P((gid_t *, int)); 653219560Savgvoid nfsrv_setcred __P((struct ucred *, struct ucred *)); 654219560Savgint nfs_writebp __P((struct buf *, int, struct proc *)); 655219560Savgint nfsrv_object_create __P((struct vnode *)); 656219560Savgvoid nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); 657219560Savgint nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, 658219560Savg struct proc *, struct mbuf **)); 659219560Savgint nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 660219560Savg struct proc *p)); 661219560Savg 662219560Savgint nfsrv3_access __P((struct nfsrv_descript *nfsd, 663219560Savg struct nfssvc_sock *slp, 664219560Savg struct proc *procp, struct mbuf **mrq)); 665219560Savgint nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 666219560Savg struct proc *procp, struct mbuf **mrq)); 667219560Savgint nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 668219560Savg struct proc *procp, struct mbuf **mrq)); 669219560Savgint nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, 670219560Savg struct nfssvc_sock *, struct sockaddr *, int *, 671219560Savg int, int)); 672219560Savgint nfsrv_setpublicfs __P((struct mount *, struct netexport *, 673219560Savg struct export_args *)); 674219560Savgint nfs_ispublicfh __P((fhandle_t *)); 675219560Savgint nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 676219560Savg struct proc *procp, struct mbuf **mrq)); 677219560Savgint nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 678219560Savg struct proc *procp, struct mbuf **mrq)); 679219560Savgint nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 680219560Savg struct proc *procp, struct mbuf **mrq)); 681219560Savgint nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 682219560Savg struct proc *procp, struct mbuf **mrq)); 683219560Savgint nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 684219560Savg struct proc *procp, struct mbuf **mrq)); 685219560Savgint nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 686219560Savg struct proc *procp, struct mbuf **mrq)); 687219560Savgint nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 688219560Savg struct proc *procp, struct mbuf **mrq)); 689219560Savgint nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 690219560Savg struct proc *procp, struct mbuf **mrq)); 691219560Savgint nfsrv_pathconf __P((struct nfsrv_descript *nfsd, 692219560Savg struct nfssvc_sock *slp, struct proc *procp, 693219560Savg struct mbuf **mrq)); 694219560Savgint nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 695219560Savg struct proc *procp, struct mbuf **mrq)); 696219560Savgint nfsrv_readdir __P((struct nfsrv_descript *nfsd, 697219560Savg struct nfssvc_sock *slp, 698219560Savg struct proc *procp, struct mbuf **mrq)); 699219560Savgint nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, 700219560Savg struct nfssvc_sock *slp, struct proc *procp, 701219560Savg struct mbuf **mrq)); 702219560Savgint nfsrv_readlink __P((struct nfsrv_descript *nfsd, 703219560Savg struct nfssvc_sock *slp, struct proc *procp, 704219560Savg struct mbuf **mrq)); 705219560Savgint nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 706219560Savg struct proc *procp, struct mbuf **mrq)); 707219560Savgint nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 708219560Savg struct proc *procp, struct mbuf **mrq)); 709219560Savgint nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 710219560Savg struct proc *procp, struct mbuf **mrq)); 711219560Savgint nfsrv_setattr __P((struct nfsrv_descript *nfsd, 712219560Savg struct nfssvc_sock *slp, 713219560Savg struct proc *procp, struct mbuf **mrq)); 714219560Savgint nfsrv_statfs __P((struct nfsrv_descript *nfsd, 715219560Savg struct nfssvc_sock *slp, 716219560Savg struct proc *procp, struct mbuf **mrq)); 717219560Savgint nfsrv_symlink __P((struct nfsrv_descript *nfsd, 718219560Savg struct nfssvc_sock *slp, 719219560Savg struct proc *procp, struct mbuf **mrq)); 720219560Savgint nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, 721219560Savg struct proc *procp, struct mbuf **mrq)); 722219560Savgvoid nfsrv_rcv __P((struct socket *so, void *arg, int waitflag)); 723219560Savgvoid nfsrv_slpderef __P((struct nfssvc_sock *slp)); 724219560Savg#endif /* _KERNEL */ 725219560Savg 726219560Savg#endif 727219560Savg