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 500 /* 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_CBSLOTS 8 /* Number of slots for session */
54 #define NFSV4_CBRETRYCNT 4 /* # of CBRecall retries upon err */
55 #define NFSV4_UPCALLTIMEO (15 * NFS_HZ) /* Timeout in ticks for upcalls */
56 /* to gssd or nfsuserd */
57 #define NFSV4_UPCALLRETRY 4 /* Number of retries before failure */
58 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
59 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */
60 #define NFS_RETRANS_TCP 2 /* Num of retrans for TCP soft mounts */
61 #define NFS_MAXGRPS 16 /* Max. size of groups list */
62 #define NFS_TRYLATERDEL 15 /* Maximum delay timeout (sec) */
63 #ifndef NFS_REMOVETIMEO
64 #define NFS_REMOVETIMEO 15 /* # sec to wait for delegret in local syscall */
66 #ifndef NFS_MINATTRTIMO
67 #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
69 #ifndef NFS_MAXATTRTIMO
70 #define NFS_MAXATTRTIMO 60
72 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
73 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
74 #define NFS_READDIRSIZE 8192 /* Def. readdir size */
75 #define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
76 #define NFS_MAXRAHEAD 16 /* Max. read ahead # blocks */
77 #define NFS_MAXASYNCDAEMON 64 /* Max. number async_daemons runnable */
78 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
80 #define NFSRV_LEASE 120 /* Lease time in seconds for V4 */
81 #endif /* assigned to nfsrv_lease */
82 #ifndef NFSRV_STALELEASE
83 #define NFSRV_STALELEASE (5 * nfsrv_lease)
85 #ifndef NFSRV_MOULDYLEASE
86 #define NFSRV_MOULDYLEASE 604800 /* One week (in sec) */
88 #ifndef NFSCLIENTHASHSIZE
89 #define NFSCLIENTHASHSIZE 20 /* Size of server client hash table */
91 #ifndef NFSLOCKHASHSIZE
92 #define NFSLOCKHASHSIZE 20 /* Size of server nfslock hash table */
94 #define NFSSTATEHASHSIZE 10 /* Size of server stateid hash table */
95 #ifndef NFSUSERHASHSIZE
96 #define NFSUSERHASHSIZE 30 /* Size of user id hash table */
98 #ifndef NFSGROUPHASHSIZE
99 #define NFSGROUPHASHSIZE 5 /* Size of group id hash table */
101 #ifndef NFSCLDELEGHIGHWATER
102 #define NFSCLDELEGHIGHWATER 10000 /* limit for client delegations */
104 #ifndef NFSCLLAYOUTHIGHWATER
105 #define NFSCLLAYOUTHIGHWATER 10000 /* limit for client pNFS layouts */
107 #ifndef NFSNOOPEN /* Inactive open owner (sec) */
108 #define NFSNOOPEN 120
110 #define NFSRV_LEASEDELTA 15 /* # of seconds to delay beyond lease */
111 #define NFS_IDMAXSIZE 4 /* max sizeof (in_addr_t) */
112 #ifndef NFSRVCACHE_UDPTIMEOUT
113 #define NFSRVCACHE_UDPTIMEOUT 30 /* # of sec to hold cached rpcs(udp) */
115 #ifndef NFSRVCACHE_UDPHIGHWATER
116 #define NFSRVCACHE_UDPHIGHWATER 500 /* Max # of udp cache entries */
118 #ifndef NFSRVCACHE_TCPTIMEOUT
119 #define NFSRVCACHE_TCPTIMEOUT (3600*12) /*#of sec to hold cached rpcs(tcp) */
121 #ifndef NFSRVCACHE_FLOODLEVEL
122 #define NFSRVCACHE_FLOODLEVEL 16384 /* Very high water mark for cache */
124 #ifndef NFSRV_CLIENTHIGHWATER
125 #define NFSRV_CLIENTHIGHWATER 1000
127 #ifndef NFSRV_MAXDUMPLIST
128 #define NFSRV_MAXDUMPLIST 10000
130 #ifndef NFS_ACCESSCACHESIZE
131 #define NFS_ACCESSCACHESIZE 8
133 #define NFSV4_CBPORT 7745 /* Callback port for testing */
136 * This macro defines the high water mark for issuing V4 delegations.
137 * (It is currently set at a conservative 20% of NFSRV_V4STATELIMIT. This
138 * may want to increase when clients can make more effective use of
141 #define NFSRV_V4DELEGLIMIT(c) (((c) * 5) > NFSRV_V4STATELIMIT)
143 #define NFS_READDIRBLKSIZ DIRBLKSIZ /* Minimal nm_readdirsize */
148 #define NFS_CMPFH(n, f, s) \
149 ((n)->n_fhp->nfh_len == (s) && !NFSBCMP((n)->n_fhp->nfh_fh, (caddr_t)(f), (s)))
150 #define NFSRV_CMPFH(nf, ns, f, s) \
151 ((ns) == (s) && !NFSBCMP((caddr_t)(nf), (caddr_t)(f), (s)))
152 #define NFS_CMPTIME(t1, t2) \
153 ((t1).tv_sec == (t2).tv_sec && (t1).tv_nsec == (t2).tv_nsec)
154 #define NFS_SETTIME(t) do { \
155 (t).tv_sec = time.tv_sec; (t).tv_nsec = 1000 * time.tv_usec; } while (0)
156 #define NFS_SRVMAXDATA(n) \
157 (((n)->nd_flag & (ND_NFSV3 | ND_NFSV4)) ? \
158 NFS_MAXDATA : NFS_V2MAXDATA)
159 #define NFS64BITSSET 0xffffffffffffffffull
160 #define NFS64BITSMINUS1 0xfffffffffffffffeull
163 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd, mount_nfs
164 * and nfsloaduser should ever try and use it.
166 struct nfsd_addsock_args {
167 int sock; /* Socket to serve */
168 caddr_t name; /* Client addr for connection based sockets */
169 int namelen; /* Length of name */
173 * nfsd argument for new krpc.
175 struct nfsd_nfsd_args {
176 const char *principal; /* GSS-API service principal name */
177 int minthreads; /* minimum service thread count */
178 int maxthreads; /* maximum service thread count */
182 * Arguments for use by the callback daemon.
184 struct nfsd_nfscbd_args {
185 const char *principal; /* GSS-API service principal name */
189 int sock; /* Socket to serve */
190 caddr_t name; /* Client addr for connection based sockets */
191 int namelen; /* Length of name */
192 u_short port; /* Port# for callbacks */
196 int nid_flag; /* Flags (see below) */
197 uid_t nid_uid; /* user/group id */
199 int nid_usermax; /* Upper bound on user name cache */
200 int nid_usertimeout;/* User name timeout (minutes) */
201 u_char *nid_name; /* Name */
202 int nid_namelen; /* and its length */
206 int nclid_idlen; /* Length of client id */
207 u_char nclid_id[NFSV4_OPAQUELIMIT]; /* and name */
210 struct nfsd_dumplist {
211 int ndl_size; /* Number of elements */
212 void *ndl_list; /* and the list of elements */
215 struct nfsd_dumpclients {
216 u_int32_t ndcl_flags; /* LCL_xxx flags */
217 u_int32_t ndcl_nopenowners; /* Number of openowners */
218 u_int32_t ndcl_nopens; /* and opens */
219 u_int32_t ndcl_nlockowners; /* and of lockowners */
220 u_int32_t ndcl_nlocks; /* and of locks */
221 u_int32_t ndcl_ndelegs; /* and of delegations */
222 u_int32_t ndcl_nolddelegs; /* and old delegations */
223 sa_family_t ndcl_addrfam; /* Callback address */
225 struct in_addr sin_addr;
226 struct in6_addr sin6_addr;
228 struct nfsd_clid ndcl_clid; /* and client id */
231 struct nfsd_dumplocklist {
232 char *ndllck_fname; /* File Name */
233 int ndllck_size; /* Number of elements */
234 void *ndllck_list; /* and the list of elements */
237 struct nfsd_dumplocks {
238 u_int32_t ndlck_flags; /* state flags NFSLCK_xxx */
239 nfsv4stateid_t ndlck_stateid; /* stateid */
240 u_int64_t ndlck_first; /* lock byte range */
242 struct nfsd_clid ndlck_owner; /* Owner of open/lock */
243 sa_family_t ndlck_addrfam; /* Callback address */
245 struct in_addr sin_addr;
246 struct in6_addr sin6_addr;
248 struct nfsd_clid ndlck_clid; /* and client id */
252 * Structure for referral information.
255 u_char *nfr_srvlist; /* List of servers */
256 int nfr_srvcnt; /* number of servers */
257 vnode_t nfr_vp; /* vnode for referral */
258 u_int32_t nfr_dfileno; /* assigned dir inode# */
262 * Flags for lc_flags and opsflags for nfsrv_getclient().
264 #define LCL_NEEDSCONFIRM 0x00000001
265 #define LCL_DONTCLEAN 0x00000002
266 #define LCL_WAKEUPWANTED 0x00000004
267 #define LCL_TCPCALLBACK 0x00000008
268 #define LCL_CALLBACKSON 0x00000010
269 #define LCL_INDEXNOTOK 0x00000020
270 #define LCL_STAMPEDSTABLE 0x00000040
271 #define LCL_EXPIREIT 0x00000080
272 #define LCL_CBDOWN 0x00000100
273 #define LCL_KERBV 0x00000400
274 #define LCL_NAME 0x00000800
275 #define LCL_NEEDSCBNULL 0x00001000
276 #define LCL_GSSINTEGRITY 0x00002000
277 #define LCL_GSSPRIVACY 0x00004000
278 #define LCL_ADMINREVOKED 0x00008000
280 #define LCL_GSS LCL_KERBV /* Or of all mechs */
283 * Bits for flags in nfslock and nfsstate.
284 * The access, deny, NFSLCK_READ and NFSLCK_WRITE bits must be defined as
285 * below, in the correct order, so the shifts work for tests.
287 #define NFSLCK_READACCESS 0x00000001
288 #define NFSLCK_WRITEACCESS 0x00000002
289 #define NFSLCK_ACCESSBITS (NFSLCK_READACCESS | NFSLCK_WRITEACCESS)
290 #define NFSLCK_SHIFT 2
291 #define NFSLCK_READDENY 0x00000004
292 #define NFSLCK_WRITEDENY 0x00000008
293 #define NFSLCK_DENYBITS (NFSLCK_READDENY | NFSLCK_WRITEDENY)
294 #define NFSLCK_SHAREBITS \
295 (NFSLCK_READACCESS|NFSLCK_WRITEACCESS|NFSLCK_READDENY|NFSLCK_WRITEDENY)
296 #define NFSLCK_LOCKSHIFT 4
297 #define NFSLCK_READ 0x00000010
298 #define NFSLCK_WRITE 0x00000020
299 #define NFSLCK_BLOCKING 0x00000040
300 #define NFSLCK_RECLAIM 0x00000080
301 #define NFSLCK_OPENTOLOCK 0x00000100
302 #define NFSLCK_TEST 0x00000200
303 #define NFSLCK_LOCK 0x00000400
304 #define NFSLCK_UNLOCK 0x00000800
305 #define NFSLCK_OPEN 0x00001000
306 #define NFSLCK_CLOSE 0x00002000
307 #define NFSLCK_CHECK 0x00004000
308 #define NFSLCK_RELEASE 0x00008000
309 #define NFSLCK_NEEDSCONFIRM 0x00010000
310 #define NFSLCK_CONFIRM 0x00020000
311 #define NFSLCK_DOWNGRADE 0x00040000
312 #define NFSLCK_DELEGREAD 0x00080000
313 #define NFSLCK_DELEGWRITE 0x00100000
314 #define NFSLCK_DELEGCUR 0x00200000
315 #define NFSLCK_DELEGPREV 0x00400000
316 #define NFSLCK_OLDDELEG 0x00800000
317 #define NFSLCK_DELEGRECALL 0x01000000
318 #define NFSLCK_SETATTR 0x02000000
319 #define NFSLCK_DELEGPURGE 0x04000000
320 #define NFSLCK_DELEGRETURN 0x08000000
322 /* And bits for nid_flag */
323 #define NFSID_INITIALIZE 0x0001
324 #define NFSID_ADDUID 0x0002
325 #define NFSID_DELUID 0x0004
326 #define NFSID_ADDUSERNAME 0x0008
327 #define NFSID_DELUSERNAME 0x0010
328 #define NFSID_ADDGID 0x0020
329 #define NFSID_DELGID 0x0040
330 #define NFSID_ADDGROUPNAME 0x0080
331 #define NFSID_DELGROUPNAME 0x0100
334 * fs.nfs sysctl(3) identifiers
336 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
339 * Here is the definition of the attribute bits array and macros that
341 * THE MACROS MUST BE MANUALLY MODIFIED IF NFSATTRBIT_MAXWORDS CHANGES!!
342 * It is (NFSATTRBIT_MAX + 31) / 32.
344 #define NFSATTRBIT_MAXWORDS 2
347 u_int32_t bits[NFSATTRBIT_MAXWORDS];
350 #define NFSZERO_ATTRBIT(b) do { (b)->bits[0] = 0; (b)->bits[1] = 0; } while (0)
351 #define NFSSET_ATTRBIT(t, f) do { (t)->bits[0] = (f)->bits[0]; \
352 (t)->bits[1] = (f)->bits[1]; } while (0)
353 #define NFSSETSUPP_ATTRBIT(b) do { \
354 (b)->bits[0] = NFSATTRBIT_SUPP0; \
355 (b)->bits[1] = (NFSATTRBIT_SUPP1 | NFSATTRBIT_SUPPSETONLY); } while (0)
356 #define NFSISSET_ATTRBIT(b, p) ((b)->bits[(p) / 32] & (1 << ((p) % 32)))
357 #define NFSSETBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] |= (1 << ((p) % 32)))
358 #define NFSCLRBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] &= ~(1 << ((p) % 32)))
359 #define NFSCLRALL_ATTRBIT(b, a) do { \
360 (b)->bits[0] &= ~((a)->bits[0]); \
361 (b)->bits[1] &= ~((a)->bits[1]); \
363 #define NFSCLRNOT_ATTRBIT(b, a) do { \
364 (b)->bits[0] &= ((a)->bits[0]); \
365 (b)->bits[1] &= ((a)->bits[1]); \
367 #define NFSCLRNOTFILLABLE_ATTRBIT(b) do { \
368 (b)->bits[0] &= NFSATTRBIT_SUPP0; \
369 (b)->bits[1] &= NFSATTRBIT_SUPP1; } while (0)
370 #define NFSCLRNOTSETABLE_ATTRBIT(b) do { \
371 (b)->bits[0] &= NFSATTRBIT_SETABLE0; \
372 (b)->bits[1] &= NFSATTRBIT_SETABLE1; } while (0)
373 #define NFSNONZERO_ATTRBIT(b) ((b)->bits[0] || (b)->bits[1])
374 #define NFSEQUAL_ATTRBIT(b, p) \
375 ((b)->bits[0] == (p)->bits[0] && (b)->bits[1] == (p)->bits[1])
376 #define NFSGETATTR_ATTRBIT(b) do { \
377 (b)->bits[0] = NFSATTRBIT_GETATTR0; \
378 (b)->bits[1] = NFSATTRBIT_GETATTR1; } while (0)
379 #define NFSWCCATTR_ATTRBIT(b) do { \
380 (b)->bits[0] = NFSATTRBIT_WCCATTR0; \
381 (b)->bits[1] = NFSATTRBIT_WCCATTR1; } while (0)
382 #define NFSWRITEGETATTR_ATTRBIT(b) do { \
383 (b)->bits[0] = NFSATTRBIT_WRITEGETATTR0; \
384 (b)->bits[1] = NFSATTRBIT_WRITEGETATTR1; } while (0)
385 #define NFSCBGETATTR_ATTRBIT(b, c) do { \
386 (c)->bits[0] = ((b)->bits[0] & NFSATTRBIT_CBGETATTR0); \
387 (c)->bits[1] = ((b)->bits[1] & NFSATTRBIT_CBGETATTR1); } while (0)
388 #define NFSPATHCONF_GETATTRBIT(b) do { \
389 (b)->bits[0] = NFSGETATTRBIT_PATHCONF0; \
390 (b)->bits[1] = NFSGETATTRBIT_PATHCONF1; } while (0)
391 #define NFSSTATFS_GETATTRBIT(b) do { \
392 (b)->bits[0] = NFSGETATTRBIT_STATFS0; \
393 (b)->bits[1] = NFSGETATTRBIT_STATFS1; } while (0)
394 #define NFSISSETSTATFS_ATTRBIT(b) \
395 (((b)->bits[0] & NFSATTRBIT_STATFS0) || \
396 ((b)->bits[1] & NFSATTRBIT_STATFS1))
397 #define NFSCLRSTATFS_ATTRBIT(b) do { \
398 (b)->bits[0] &= ~NFSATTRBIT_STATFS0; \
399 (b)->bits[1] &= ~NFSATTRBIT_STATFS1; } while (0)
400 #define NFSREADDIRPLUS_ATTRBIT(b) do { \
401 (b)->bits[0] = NFSATTRBIT_READDIRPLUS0; \
402 (b)->bits[1] = NFSATTRBIT_READDIRPLUS1; } while (0)
403 #define NFSREFERRAL_ATTRBIT(b) do { \
404 (b)->bits[0] = NFSATTRBIT_REFERRAL0; \
405 (b)->bits[1] = NFSATTRBIT_REFERRAL1; } while (0)
408 * Store uid, gid creds that were used when the stateid was acquired.
409 * The RPC layer allows NFS_MAXGRPS + 1 groups to go out on the wire,
410 * so that's how many gets stored here.
414 gid_t nfsc_groups[NFS_MAXGRPS + 1];
419 * Constants that define the file handle for the V4 root directory.
420 * (The FSID must never be used by other file systems that are exported.)
422 #define NFSV4ROOT_FSID0 ((int32_t) -1)
423 #define NFSV4ROOT_FSID1 ((int32_t) -1)
424 #define NFSV4ROOT_REFERRAL ((int32_t) -2)
425 #define NFSV4ROOT_INO 2 /* It's traditional */
426 #define NFSV4ROOT_GEN 1
429 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
430 * What should be in this set is open to debate, but I believe that since
431 * I/O system calls on ufs are never interrupted by signals the set should
432 * be minimal. My reasoning is that many current programs that use signals
433 * such as SIGALRM will not expect file I/O system calls to be interrupted
436 #if defined(_KERNEL) || defined(KERNEL)
438 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
441 * Socket errors ignored for connectionless sockets?
442 * For now, ignore them all
444 #define NFSIGNORE_SOERROR(s, e) \
445 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
446 ((s) & PR_CONNREQUIRED) == 0)
450 * This structure holds socket information for a connection. Used by the
451 * client and the server for callbacks.
454 NFSSOCKADDR_T nr_nam;
458 struct ucred *nr_cred;
463 struct __rpc_client *nr_client;
468 * And associated nr_lock bits.
470 #define NFSR_SNDLOCK 0x01
471 #define NFSR_WANTSND 0x02
472 #define NFSR_RCVLOCK 0x04
473 #define NFSR_WANTRCV 0x08
474 #define NFSR_RESERVEDPORT 0x10
475 #define NFSR_LOCALHOST 0x20
478 * Queue head for nfsreq's
480 TAILQ_HEAD(nfsreqhead, nfsreq);
482 /* This is the only nfsreq R_xxx flag still used. */
483 #define R_DONTRECOVER 0x00000100 /* don't initiate recovery when this
484 rpc gets a stale state reply */
487 * Network address hash list element
490 struct in_addr had_inet;
491 struct in6_addr had_inet6;
495 * Structure of list of mechanisms.
497 struct nfsgss_mechlist {
502 #define KERBV_MECH 0 /* position in list */
505 * This structure is used by the server for describing each request.
507 struct nfsrv_descript {
508 mbuf_t nd_mrep; /* Request mbuf list */
509 mbuf_t nd_md; /* Current dissect mbuf */
510 mbuf_t nd_mreq; /* Reply mbuf list */
511 mbuf_t nd_mb; /* Current build mbuf */
512 NFSSOCKADDR_T nd_nam; /* and socket addr */
513 NFSSOCKADDR_T nd_nam2; /* return socket addr */
514 caddr_t nd_dpos; /* Current dissect pos */
515 caddr_t nd_bpos; /* Current build pos */
516 u_int16_t nd_procnum; /* RPC # */
517 u_int32_t nd_flag; /* nd_flag */
518 u_int32_t nd_repstat; /* Reply status */
519 int *nd_errp; /* Pointer to ret status */
520 u_int32_t nd_retxid; /* Reply xid */
521 struct nfsrvcache *nd_rp; /* Assoc. cache entry */
522 fhandle_t nd_fh; /* File handle */
523 struct ucred *nd_cred; /* Credentials */
524 uid_t nd_saveduid; /* Saved uid */
525 u_int64_t nd_sockref; /* Rcv socket ref# */
526 u_int64_t nd_compref; /* Compound RPC ref# */
527 time_t nd_tcpconntime; /* Time TCP connection est. */
528 nfsquad_t nd_clientid; /* Implied clientid */
529 int nd_gssnamelen; /* principal name length */
530 char *nd_gssname; /* principal name */
531 uint32_t *nd_slotseq; /* ptr to slot seq# in req */
534 #define nd_princlen nd_gssnamelen
535 #define nd_principal nd_gssname
537 /* Bits for "nd_flag" */
538 #define ND_DONTSAVEREPLY 0x00000001
539 #define ND_SAVEREPLY 0x00000002
540 #define ND_NFSV2 0x00000004
541 #define ND_NFSV3 0x00000008
542 #define ND_NFSV4 0x00000010
543 #define ND_KERBV 0x00000020
544 #define ND_GSSINTEGRITY 0x00000040
545 #define ND_GSSPRIVACY 0x00000080
546 #define ND_WINDOWVERF 0x00000100
547 #define ND_GSSINITREPLY 0x00000200
548 #define ND_STREAMSOCK 0x00000400
549 #define ND_PUBLOOKUP 0x00000800
550 #define ND_USEGSSNAME 0x00001000
551 #define ND_SAMETCPCONN 0x00002000
552 #define ND_IMPLIEDCLID 0x00004000
553 #define ND_NOMOREDATA 0x00008000
554 #define ND_V4WCCATTR 0x00010000
555 #define ND_NFSCB 0x00020000
556 #define ND_AUTHNONE 0x00040000
557 #define ND_EXAUTHSYS 0x00080000
558 #define ND_EXGSS 0x00100000
559 #define ND_EXGSSINTEGRITY 0x00200000
560 #define ND_EXGSSPRIVACY 0x00400000
561 #define ND_INCRSEQID 0x00800000
562 #define ND_NFSCL 0x01000000
563 #define ND_NFSV41 0x02000000
564 #define ND_HASSEQUENCE 0x04000000
567 * ND_GSS should be the "or" of all GSS type authentications.
569 #define ND_GSS (ND_KERBV)
571 struct nfsv4_opflag {
581 * Flags used to indicate what to do w.r.t. seqid checking.
583 #define NFSRVSEQID_FIRST 0x01
584 #define NFSRVSEQID_LAST 0x02
585 #define NFSRVSEQID_OPEN 0x04
588 * assign a doubly linked list to a new head
589 * and prepend one list into another.
591 #define LIST_NEWHEAD(nhead, ohead, field) do { \
592 if (((nhead)->lh_first = (ohead)->lh_first) != NULL) \
593 (ohead)->lh_first->field.le_prev = &(nhead)->lh_first; \
594 (ohead)->lh_first = NULL; \
597 #define LIST_PREPEND(head, phead, lelm, field) do { \
598 if ((head)->lh_first != NULL) { \
599 (lelm)->field.le_next = (head)->lh_first; \
600 (lelm)->field.le_next->field.le_prev = \
601 &(lelm)->field.le_next; \
603 (head)->lh_first = (phead)->lh_first; \
604 (head)->lh_first->field.le_prev = &(head)->lh_first; \
608 * File handle structure for client. Malloc'd to the correct length with
609 * malloc type M_NFSFH.
612 u_int16_t nfh_len; /* Length of file handle */
613 u_int8_t nfh_fh[1]; /* and the file handle */
617 * File handle structure for server. The NFSRV_MAXFH constant is
618 * set in nfsdport.h. I use a 32bit length, so that alignment is
622 u_int32_t nfsrvfh_len;
623 u_int8_t nfsrvfh_data[NFSRV_MAXFH];
627 * This structure is used for sleep locks on the NFSv4 nfsd threads and
628 * NFSv4 client data structures.
631 u_int32_t nfslock_usecnt;
632 u_int8_t nfslock_lock;
634 #define NFSV4LOCK_LOCK 0x01
635 #define NFSV4LOCK_LOCKWANTED 0x02
636 #define NFSV4LOCK_WANTED 0x04
639 * Values for the override argument for nfsvno_accchk().
641 #define NFSACCCHK_NOOVERRIDE 0
642 #define NFSACCCHK_ALLOWROOT 1
643 #define NFSACCCHK_ALLOWOWNER 2
646 * and values for the vpislocked argument for nfsvno_accchk().
648 #define NFSACCCHK_VPNOTLOCKED 0
649 #define NFSACCCHK_VPISLOCKED 1
652 * Slot for the NFSv4.1 Sequence Op.
657 struct mbuf *nfssl_reply;
662 #endif /* _NFS_NFS_H */