2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * Tunable constants for nfs
41 #define NFS_MAXIOVEC 34
42 #define NFS_TICKINTVL 10 /* Desired time for a tick (msec) */
43 #define NFS_HZ (hz / nfscl_ticks) /* Ticks/sec */
44 #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
45 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
46 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
47 #define NFS_TCPTIMEO 300 /* TCP timeout */
48 #define NFS_MAXRCVTIMEO 60 /* 1 minute in seconds */
49 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
50 #define NFS_MAXREXMIT 100 /* Stop counting after this many */
51 #define NFSV4_CALLBACKTIMEO (2 * NFS_HZ) /* Timeout in ticks */
52 #define NFSV4_CALLBACKRETRY 5 /* Number of retries before failure */
53 #define NFSV4_CBRETRYCNT 4 /* # of CBRecall retries upon err */
54 #define NFSV4_UPCALLTIMEO (15 * NFS_HZ) /* Timeout in ticks for upcalls */
55 /* to gssd or nfsuserd */
56 #define NFSV4_UPCALLRETRY 4 /* Number of retries before failure */
57 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
58 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */
59 #define NFS_MAXGRPS 16 /* Max. size of groups list */
60 #define NFS_TRYLATERDEL 15 /* Maximum delay timeout (sec) */
61 #ifndef NFS_REMOVETIMEO
62 #define NFS_REMOVETIMEO 15 /* # sec to wait for delegret in local syscall */
64 #ifndef NFS_MINATTRTIMO
65 #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
67 #ifndef NFS_MAXATTRTIMO
68 #define NFS_MAXATTRTIMO 60
70 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
71 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
72 #define NFS_READDIRSIZE 8192 /* Def. readdir size */
73 #define NFS_DEFRAHEAD 0 /* Def. read ahead # blocks */
74 #define NFS_MAXRAHEAD 32 /* Max. read ahead # blocks */
75 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
77 #define NFSRV_LEASE 120 /* Lease time in seconds for V4 */
78 #endif /* assigned to nfsrv_lease */
79 #ifndef NFSRV_STALELEASE
80 #define NFSRV_STALELEASE (5 * nfsrv_lease)
82 #ifndef NFSRV_MOULDYLEASE
83 #define NFSRV_MOULDYLEASE 604800 /* One week (in sec) */
85 #ifndef NFSCLIENTHASHSIZE
86 #define NFSCLIENTHASHSIZE 20 /* Size of server client hash table */
88 #ifndef NFSLOCKHASHSIZE
89 #define NFSLOCKHASHSIZE 20 /* Size of server nfslock hash table */
91 #define NFSSTATEHASHSIZE 10 /* Size of server stateid hash table */
92 #ifndef NFSUSERHASHSIZE
93 #define NFSUSERHASHSIZE 30 /* Size of user id hash table */
95 #ifndef NFSGROUPHASHSIZE
96 #define NFSGROUPHASHSIZE 5 /* Size of group id hash table */
98 #ifndef NFSCLDELEGHIGHWATER
99 #define NFSCLDELEGHIGHWATER 10000 /* limit for client delegations */
101 #ifndef NFSNOOPEN /* Inactive open owner (sec) */
102 #define NFSNOOPEN 120
104 #define NFSRV_LEASEDELTA 15 /* # of seconds to delay beyond lease */
105 #define NFS_IDMAXSIZE 4 /* max sizeof (in_addr_t) */
106 #ifndef NFSRVCACHE_UDPTIMEOUT
107 #define NFSRVCACHE_UDPTIMEOUT 30 /* # of sec to hold cached rpcs(udp) */
109 #ifndef NFSRVCACHE_UDPHIGHWATER
110 #define NFSRVCACHE_UDPHIGHWATER 500 /* Max # of udp cache entries */
112 #ifndef NFSRVCACHE_TCPTIMEOUT
113 #define NFSRVCACHE_TCPTIMEOUT (3600*12) /*#of sec to hold cached rpcs(tcp) */
115 #ifndef NFSRVCACHE_FLOODLEVEL
116 #define NFSRVCACHE_FLOODLEVEL 16384 /* Very high water mark for cache */
118 #ifndef NFSRV_CLIENTHIGHWATER
119 #define NFSRV_CLIENTHIGHWATER 1000
121 #ifndef NFSRV_MAXDUMPLIST
122 #define NFSRV_MAXDUMPLIST 10000
124 #ifndef NFS_ACCESSCACHESIZE
125 #define NFS_ACCESSCACHESIZE 8
127 #define NFSV4_CBPORT 7745 /* Callback port for testing */
130 * This macro defines the high water mark for issuing V4 delegations.
131 * (It is currently set at a conservative 20% of NFSRV_V4STATELIMIT. This
132 * may want to increase when clients can make more effective use of
135 #define NFSRV_V4DELEGLIMIT(c) (((c) * 5) > NFSRV_V4STATELIMIT)
137 #define NFS_READDIRBLKSIZ DIRBLKSIZ /* Minimal nm_readdirsize */
142 #define NFS_CMPFH(n, f, s) \
143 ((n)->n_fhp->nfh_len == (s) && !NFSBCMP((n)->n_fhp->nfh_fh, (caddr_t)(f), (s)))
144 #define NFSRV_CMPFH(nf, ns, f, s) \
145 ((ns) == (s) && !NFSBCMP((caddr_t)(nf), (caddr_t)(f), (s)))
146 #define NFS_CMPTIME(t1, t2) \
147 ((t1).tv_sec == (t2).tv_sec && (t1).tv_nsec == (t2).tv_nsec)
148 #define NFS_SETTIME(t) do { \
149 (t).tv_sec = time.tv_sec; (t).tv_nsec = 1000 * time.tv_usec; } while (0)
150 #define NFS_SRVMAXDATA(n) \
151 (((n)->nd_flag & (ND_NFSV3 | ND_NFSV4)) ? \
152 NFS_MAXDATA : NFS_V2MAXDATA)
153 #define NFS64BITSSET 0xffffffffffffffffull
154 #define NFS64BITSMINUS1 0xfffffffffffffffeull
157 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd, mount_nfs
158 * and nfsloaduser should ever try and use it.
160 struct nfsd_addsock_args {
161 int sock; /* Socket to serve */
162 caddr_t name; /* Client addr for connection based sockets */
163 int namelen; /* Length of name */
167 * nfsd argument for new krpc.
169 struct nfsd_nfsd_args {
170 const char *principal; /* GSS-API service principal name */
171 int minthreads; /* minimum service thread count */
172 int maxthreads; /* maximum service thread count */
176 * Arguments for use by the callback daemon.
178 struct nfsd_nfscbd_args {
179 const char *principal; /* GSS-API service principal name */
183 int sock; /* Socket to serve */
184 caddr_t name; /* Client addr for connection based sockets */
185 int namelen; /* Length of name */
186 u_short port; /* Port# for callbacks */
190 int nid_flag; /* Flags (see below) */
191 uid_t nid_uid; /* user/group id */
193 int nid_usermax; /* Upper bound on user name cache */
194 int nid_usertimeout;/* User name timeout (minutes) */
195 u_char *nid_name; /* Name */
196 int nid_namelen; /* and its length */
200 int nclid_idlen; /* Length of client id */
201 u_char nclid_id[NFSV4_OPAQUELIMIT]; /* and name */
204 struct nfsd_dumplist {
205 int ndl_size; /* Number of elements */
206 void *ndl_list; /* and the list of elements */
209 struct nfsd_dumpclients {
210 u_int32_t ndcl_flags; /* LCL_xxx flags */
211 u_int32_t ndcl_nopenowners; /* Number of openowners */
212 u_int32_t ndcl_nopens; /* and opens */
213 u_int32_t ndcl_nlockowners; /* and of lockowners */
214 u_int32_t ndcl_nlocks; /* and of locks */
215 u_int32_t ndcl_ndelegs; /* and of delegations */
216 u_int32_t ndcl_nolddelegs; /* and old delegations */
217 sa_family_t ndcl_addrfam; /* Callback address */
219 struct in_addr sin_addr;
220 struct in6_addr sin6_addr;
222 struct nfsd_clid ndcl_clid; /* and client id */
225 struct nfsd_dumplocklist {
226 char *ndllck_fname; /* File Name */
227 int ndllck_size; /* Number of elements */
228 void *ndllck_list; /* and the list of elements */
231 struct nfsd_dumplocks {
232 u_int32_t ndlck_flags; /* state flags NFSLCK_xxx */
233 nfsv4stateid_t ndlck_stateid; /* stateid */
234 u_int64_t ndlck_first; /* lock byte range */
236 struct nfsd_clid ndlck_owner; /* Owner of open/lock */
237 sa_family_t ndlck_addrfam; /* Callback address */
239 struct in_addr sin_addr;
240 struct in6_addr sin6_addr;
242 struct nfsd_clid ndlck_clid; /* and client id */
246 * Structure for referral information.
249 u_char *nfr_srvlist; /* List of servers */
250 int nfr_srvcnt; /* number of servers */
251 vnode_t nfr_vp; /* vnode for referral */
252 u_int32_t nfr_dfileno; /* assigned dir inode# */
256 * Flags for lc_flags and opsflags for nfsrv_getclient().
258 #define LCL_NEEDSCONFIRM 0x00000001
259 #define LCL_DONTCLEAN 0x00000002
260 #define LCL_WAKEUPWANTED 0x00000004
261 #define LCL_TCPCALLBACK 0x00000008
262 #define LCL_CALLBACKSON 0x00000010
263 #define LCL_INDEXNOTOK 0x00000020
264 #define LCL_STAMPEDSTABLE 0x00000040
265 #define LCL_EXPIREIT 0x00000080
266 #define LCL_CBDOWN 0x00000100
267 #define LCL_KERBV 0x00000400
268 #define LCL_NAME 0x00000800
269 #define LCL_NEEDSCBNULL 0x00001000
270 #define LCL_GSSINTEGRITY 0x00002000
271 #define LCL_GSSPRIVACY 0x00004000
272 #define LCL_ADMINREVOKED 0x00008000
274 #define LCL_GSS LCL_KERBV /* Or of all mechs */
277 * Bits for flags in nfslock and nfsstate.
278 * The access, deny, NFSLCK_READ and NFSLCK_WRITE bits must be defined as
279 * below, in the correct order, so the shifts work for tests.
281 #define NFSLCK_READACCESS 0x00000001
282 #define NFSLCK_WRITEACCESS 0x00000002
283 #define NFSLCK_ACCESSBITS (NFSLCK_READACCESS | NFSLCK_WRITEACCESS)
284 #define NFSLCK_SHIFT 2
285 #define NFSLCK_READDENY 0x00000004
286 #define NFSLCK_WRITEDENY 0x00000008
287 #define NFSLCK_DENYBITS (NFSLCK_READDENY | NFSLCK_WRITEDENY)
288 #define NFSLCK_SHAREBITS \
289 (NFSLCK_READACCESS|NFSLCK_WRITEACCESS|NFSLCK_READDENY|NFSLCK_WRITEDENY)
290 #define NFSLCK_LOCKSHIFT 4
291 #define NFSLCK_READ 0x00000010
292 #define NFSLCK_WRITE 0x00000020
293 #define NFSLCK_BLOCKING 0x00000040
294 #define NFSLCK_RECLAIM 0x00000080
295 #define NFSLCK_OPENTOLOCK 0x00000100
296 #define NFSLCK_TEST 0x00000200
297 #define NFSLCK_LOCK 0x00000400
298 #define NFSLCK_UNLOCK 0x00000800
299 #define NFSLCK_OPEN 0x00001000
300 #define NFSLCK_CLOSE 0x00002000
301 #define NFSLCK_CHECK 0x00004000
302 #define NFSLCK_RELEASE 0x00008000
303 #define NFSLCK_NEEDSCONFIRM 0x00010000
304 #define NFSLCK_CONFIRM 0x00020000
305 #define NFSLCK_DOWNGRADE 0x00040000
306 #define NFSLCK_DELEGREAD 0x00080000
307 #define NFSLCK_DELEGWRITE 0x00100000
308 #define NFSLCK_DELEGCUR 0x00200000
309 #define NFSLCK_DELEGPREV 0x00400000
310 #define NFSLCK_OLDDELEG 0x00800000
311 #define NFSLCK_DELEGRECALL 0x01000000
312 #define NFSLCK_SETATTR 0x02000000
313 #define NFSLCK_DELEGPURGE 0x04000000
314 #define NFSLCK_DELEGRETURN 0x08000000
316 /* And bits for nid_flag */
317 #define NFSID_INITIALIZE 0x0001
318 #define NFSID_ADDUID 0x0002
319 #define NFSID_DELUID 0x0004
320 #define NFSID_ADDUSERNAME 0x0008
321 #define NFSID_DELUSERNAME 0x0010
322 #define NFSID_ADDGID 0x0020
323 #define NFSID_DELGID 0x0040
324 #define NFSID_ADDGROUPNAME 0x0080
325 #define NFSID_DELGROUPNAME 0x0100
328 * fs.nfs sysctl(3) identifiers
330 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
332 #define FS_NFS_NAMES { \
334 { "nfsstats", CTLTYPE_STRUCT }, \
338 * Here is the definition of the attribute bits array and macros that
340 * THE MACROS MUST BE MANUALLY MODIFIED IF NFSATTRBIT_MAXWORDS CHANGES!!
341 * It is (NFSATTRBIT_MAX + 31) / 32.
343 #define NFSATTRBIT_MAXWORDS 2
346 u_int32_t bits[NFSATTRBIT_MAXWORDS];
349 #define NFSZERO_ATTRBIT(b) do { (b)->bits[0] = 0; (b)->bits[1] = 0; } while (0)
350 #define NFSSET_ATTRBIT(t, f) do { (t)->bits[0] = (f)->bits[0]; \
351 (t)->bits[1] = (f)->bits[1]; } while (0)
352 #define NFSSETSUPP_ATTRBIT(b) do { \
353 (b)->bits[0] = NFSATTRBIT_SUPP0; \
354 (b)->bits[1] = (NFSATTRBIT_SUPP1 | NFSATTRBIT_SUPPSETONLY); } while (0)
355 #define NFSISSET_ATTRBIT(b, p) ((b)->bits[(p) / 32] & (1 << ((p) % 32)))
356 #define NFSSETBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] |= (1 << ((p) % 32)))
357 #define NFSCLRBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] &= ~(1 << ((p) % 32)))
358 #define NFSCLRALL_ATTRBIT(b, a) do { \
359 (b)->bits[0] &= ~((a)->bits[0]); \
360 (b)->bits[1] &= ~((a)->bits[1]); \
362 #define NFSCLRNOT_ATTRBIT(b, a) do { \
363 (b)->bits[0] &= ((a)->bits[0]); \
364 (b)->bits[1] &= ((a)->bits[1]); \
366 #define NFSCLRNOTFILLABLE_ATTRBIT(b) do { \
367 (b)->bits[0] &= NFSATTRBIT_SUPP0; \
368 (b)->bits[1] &= NFSATTRBIT_SUPP1; } while (0)
369 #define NFSCLRNOTSETABLE_ATTRBIT(b) do { \
370 (b)->bits[0] &= NFSATTRBIT_SETABLE0; \
371 (b)->bits[1] &= NFSATTRBIT_SETABLE1; } while (0)
372 #define NFSNONZERO_ATTRBIT(b) ((b)->bits[0] || (b)->bits[1])
373 #define NFSEQUAL_ATTRBIT(b, p) \
374 ((b)->bits[0] == (p)->bits[0] && (b)->bits[1] == (p)->bits[1])
375 #define NFSGETATTR_ATTRBIT(b) do { \
376 (b)->bits[0] = NFSATTRBIT_GETATTR0; \
377 (b)->bits[1] = NFSATTRBIT_GETATTR1; } while (0)
378 #define NFSWCCATTR_ATTRBIT(b) do { \
379 (b)->bits[0] = NFSATTRBIT_WCCATTR0; \
380 (b)->bits[1] = NFSATTRBIT_WCCATTR1; } while (0)
381 #define NFSWRITEGETATTR_ATTRBIT(b) do { \
382 (b)->bits[0] = NFSATTRBIT_WRITEGETATTR0; \
383 (b)->bits[1] = NFSATTRBIT_WRITEGETATTR1; } while (0)
384 #define NFSCBGETATTR_ATTRBIT(b, c) do { \
385 (c)->bits[0] = ((b)->bits[0] & NFSATTRBIT_CBGETATTR0); \
386 (c)->bits[1] = ((b)->bits[1] & NFSATTRBIT_CBGETATTR1); } while (0)
387 #define NFSPATHCONF_GETATTRBIT(b) do { \
388 (b)->bits[0] = NFSGETATTRBIT_PATHCONF0; \
389 (b)->bits[1] = NFSGETATTRBIT_PATHCONF1; } while (0)
390 #define NFSSTATFS_GETATTRBIT(b) do { \
391 (b)->bits[0] = NFSGETATTRBIT_STATFS0; \
392 (b)->bits[1] = NFSGETATTRBIT_STATFS1; } while (0)
393 #define NFSISSETSTATFS_ATTRBIT(b) \
394 (((b)->bits[0] & NFSATTRBIT_STATFS0) || \
395 ((b)->bits[1] & NFSATTRBIT_STATFS1))
396 #define NFSCLRSTATFS_ATTRBIT(b) do { \
397 (b)->bits[0] &= ~NFSATTRBIT_STATFS0; \
398 (b)->bits[1] &= ~NFSATTRBIT_STATFS1; } while (0)
399 #define NFSREADDIRPLUS_ATTRBIT(b) do { \
400 (b)->bits[0] = NFSATTRBIT_READDIRPLUS0; \
401 (b)->bits[1] = NFSATTRBIT_READDIRPLUS1; } while (0)
402 #define NFSREFERRAL_ATTRBIT(b) do { \
403 (b)->bits[0] = NFSATTRBIT_REFERRAL0; \
404 (b)->bits[1] = NFSATTRBIT_REFERRAL1; } while (0)
407 * Store uid, gid creds that were used when the stateid was acquired.
408 * The RPC layer allows NFS_MAXGRPS + 1 groups to go out on the wire,
409 * so that's how many gets stored here.
413 gid_t nfsc_groups[NFS_MAXGRPS + 1];
418 * Constants that define the file handle for the V4 root directory.
419 * (The FSID must never be used by other file systems that are exported.)
421 #define NFSV4ROOT_FSID0 ((int32_t) -1)
422 #define NFSV4ROOT_FSID1 ((int32_t) -1)
423 #define NFSV4ROOT_REFERRAL ((int32_t) -2)
424 #define NFSV4ROOT_INO 2 /* It's traditional */
425 #define NFSV4ROOT_GEN 1
428 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
429 * What should be in this set is open to debate, but I believe that since
430 * I/O system calls on ufs are never interrupted by signals the set should
431 * be minimal. My reasoning is that many current programs that use signals
432 * such as SIGALRM will not expect file I/O system calls to be interrupted
435 #if defined(_KERNEL) || defined(KERNEL)
437 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
440 * Socket errors ignored for connectionless sockets?
441 * For now, ignore them all
443 #define NFSIGNORE_SOERROR(s, e) \
444 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
445 ((s) & PR_CONNREQUIRED) == 0)
449 * This structure holds socket information for a connection. Used by the
450 * client and the server for callbacks.
453 NFSSOCKADDR_T nr_nam;
457 struct ucred *nr_cred;
462 struct __rpc_client *nr_client;
466 * And associated nr_lock bits.
468 #define NFSR_SNDLOCK 0x01
469 #define NFSR_WANTSND 0x02
470 #define NFSR_RCVLOCK 0x04
471 #define NFSR_WANTRCV 0x08
472 #define NFSR_RESERVEDPORT 0x10
473 #define NFSR_LOCALHOST 0x20
476 * Queue head for nfsreq's
478 TAILQ_HEAD(nfsreqhead, nfsreq);
480 /* This is the only nfsreq R_xxx flag still used. */
481 #define R_DONTRECOVER 0x00000100 /* don't initiate recovery when this
482 rpc gets a stale state reply */
485 * Network address hash list element
488 struct in_addr had_inet;
489 struct in6_addr had_inet6;
493 * Structure of list of mechanisms.
495 struct nfsgss_mechlist {
500 #define KERBV_MECH 0 /* position in list */
503 * This structure is used by the server for describing each request.
505 struct nfsrv_descript {
506 mbuf_t nd_mrep; /* Request mbuf list */
507 mbuf_t nd_md; /* Current dissect mbuf */
508 mbuf_t nd_mreq; /* Reply mbuf list */
509 mbuf_t nd_mb; /* Current build mbuf */
510 NFSSOCKADDR_T nd_nam; /* and socket addr */
511 NFSSOCKADDR_T nd_nam2; /* return socket addr */
512 caddr_t nd_dpos; /* Current dissect pos */
513 caddr_t nd_bpos; /* Current build pos */
514 u_int16_t nd_procnum; /* RPC # */
515 u_int32_t nd_flag; /* nd_flag */
516 u_int32_t nd_repstat; /* Reply status */
517 int *nd_errp; /* Pointer to ret status */
518 u_int32_t nd_retxid; /* Reply xid */
519 struct nfsrvcache *nd_rp; /* Assoc. cache entry */
520 struct timeval nd_starttime; /* Time RPC initiated */
521 fhandle_t nd_fh; /* File handle */
522 struct ucred *nd_cred; /* Credentials */
523 uid_t nd_saveduid; /* Saved uid */
524 u_int64_t nd_sockref; /* Rcv socket ref# */
525 u_int64_t nd_compref; /* Compound RPC ref# */
526 time_t nd_tcpconntime; /* Time TCP connection est. */
527 nfsquad_t nd_clientid; /* Implied clientid */
528 int nd_gssnamelen; /* principal name length */
529 char *nd_gssname; /* principal name */
532 #define nd_princlen nd_gssnamelen
533 #define nd_principal nd_gssname
535 /* Bits for "nd_flag" */
536 #define ND_DONTSAVEREPLY 0x00000001
537 #define ND_SAVEREPLY 0x00000002
538 #define ND_NFSV2 0x00000004
539 #define ND_NFSV3 0x00000008
540 #define ND_NFSV4 0x00000010
541 #define ND_KERBV 0x00000020
542 #define ND_GSSINTEGRITY 0x00000040
543 #define ND_GSSPRIVACY 0x00000080
544 #define ND_WINDOWVERF 0x00000100
545 #define ND_GSSINITREPLY 0x00000200
546 #define ND_STREAMSOCK 0x00000400
547 #define ND_PUBLOOKUP 0x00000800
548 #define ND_USEGSSNAME 0x00001000
549 #define ND_SAMETCPCONN 0x00002000
550 #define ND_IMPLIEDCLID 0x00004000
551 #define ND_NOMOREDATA 0x00008000
552 #define ND_V4WCCATTR 0x00010000
553 #define ND_NFSCB 0x00020000
554 #define ND_AUTHNONE 0x00040000
555 #define ND_EXAUTHSYS 0x00080000
556 #define ND_EXGSS 0x00100000
557 #define ND_EXGSSINTEGRITY 0x00200000
558 #define ND_EXGSSPRIVACY 0x00400000
559 #define ND_INCRSEQID 0x00800000
562 * ND_GSS should be the "or" of all GSS type authentications.
564 #define ND_GSS (ND_KERBV)
566 struct nfsv4_opflag {
574 * Flags used to indicate what to do w.r.t. seqid checking.
576 #define NFSRVSEQID_FIRST 0x01
577 #define NFSRVSEQID_LAST 0x02
578 #define NFSRVSEQID_OPEN 0x04
581 * assign a doubly linked list to a new head
582 * and prepend one list into another.
584 #define LIST_NEWHEAD(nhead, ohead, field) do { \
585 if (((nhead)->lh_first = (ohead)->lh_first) != NULL) \
586 (ohead)->lh_first->field.le_prev = &(nhead)->lh_first; \
587 (ohead)->lh_first = NULL; \
590 #define LIST_PREPEND(head, phead, lelm, field) do { \
591 if ((head)->lh_first != NULL) { \
592 (lelm)->field.le_next = (head)->lh_first; \
593 (lelm)->field.le_next->field.le_prev = \
594 &(lelm)->field.le_next; \
596 (head)->lh_first = (phead)->lh_first; \
597 (head)->lh_first->field.le_prev = &(head)->lh_first; \
601 * File handle structure for client. Malloc'd to the correct length with
602 * malloc type M_NFSFH.
605 u_int16_t nfh_len; /* Length of file handle */
606 u_int8_t nfh_fh[1]; /* and the file handle */
610 * File handle structure for server. The NFSRV_MAXFH constant is
611 * set in nfsdport.h. I use a 32bit length, so that alignment is
615 u_int32_t nfsrvfh_len;
616 u_int8_t nfsrvfh_data[NFSRV_MAXFH];
620 * This structure is used for sleep locks on the NFSv4 nfsd threads and
621 * NFSv4 client data structures.
624 u_int32_t nfslock_usecnt;
625 u_int8_t nfslock_lock;
627 #define NFSV4LOCK_LOCK 0x01
628 #define NFSV4LOCK_LOCKWANTED 0x02
629 #define NFSV4LOCK_WANTED 0x04
632 * Values for the override argument for nfsvno_accchk().
634 #define NFSACCCHK_NOOVERRIDE 0
635 #define NFSACCCHK_ALLOWROOT 1
636 #define NFSACCCHK_ALLOWOWNER 2
639 * and values for the vpislocked argument for nfsvno_accchk().
641 #define NFSACCCHK_VPNOTLOCKED 0
642 #define NFSACCCHK_VPISLOCKED 1
646 #endif /* _NFS_NFS_H */