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_SLOTS 64 /* Number of slots, fore channel */
54 #define NFSV4_CBSLOTS 8 /* Number of slots, back channel */
55 #define NFSV4_CBRETRYCNT 4 /* # of CBRecall retries upon err */
56 #define NFSV4_UPCALLTIMEO (15 * NFS_HZ) /* Timeout in ticks for upcalls */
57 /* to gssd or nfsuserd */
58 #define NFSV4_UPCALLRETRY 4 /* Number of retries before failure */
59 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
60 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */
61 #define NFS_RETRANS_TCP 2 /* Num of retrans for TCP soft mounts */
62 #define NFS_MAXGRPS 16 /* Max. size of groups list */
63 #define NFS_TRYLATERDEL 15 /* Maximum delay timeout (sec) */
64 #ifndef NFS_REMOVETIMEO
65 #define NFS_REMOVETIMEO 15 /* # sec to wait for delegret in local syscall */
67 #ifndef NFS_MINATTRTIMO
68 #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
70 #ifndef NFS_MAXATTRTIMO
71 #define NFS_MAXATTRTIMO 60
73 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
74 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
75 #define NFS_READDIRSIZE 8192 /* Def. readdir size */
76 #define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
77 #define NFS_MAXRAHEAD 16 /* Max. read ahead # blocks */
78 #define NFS_MAXASYNCDAEMON 64 /* Max. number async_daemons runnable */
79 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
81 #define NFSRV_LEASE 120 /* Lease time in seconds for V4 */
82 #endif /* assigned to nfsrv_lease */
83 #ifndef NFSRV_STALELEASE
84 #define NFSRV_STALELEASE (5 * nfsrv_lease)
86 #ifndef NFSRV_MOULDYLEASE
87 #define NFSRV_MOULDYLEASE 604800 /* One week (in sec) */
89 #ifndef NFSCLIENTHASHSIZE
90 #define NFSCLIENTHASHSIZE 20 /* Size of server client hash table */
92 #ifndef NFSLOCKHASHSIZE
93 #define NFSLOCKHASHSIZE 20 /* Size of server nfslock hash table */
95 #ifndef NFSSESSIONHASHSIZE
96 #define NFSSESSIONHASHSIZE 20 /* Size of server session hash table */
98 #define NFSSTATEHASHSIZE 10 /* Size of server stateid hash table */
99 #ifndef NFSUSERHASHSIZE
100 #define NFSUSERHASHSIZE 30 /* Size of user id hash table */
102 #ifndef NFSGROUPHASHSIZE
103 #define NFSGROUPHASHSIZE 5 /* Size of group id hash table */
105 #ifndef NFSCLDELEGHIGHWATER
106 #define NFSCLDELEGHIGHWATER 10000 /* limit for client delegations */
108 #ifndef NFSCLLAYOUTHIGHWATER
109 #define NFSCLLAYOUTHIGHWATER 10000 /* limit for client pNFS layouts */
111 #ifndef NFSNOOPEN /* Inactive open owner (sec) */
112 #define NFSNOOPEN 120
114 #define NFSRV_LEASEDELTA 15 /* # of seconds to delay beyond lease */
115 #define NFS_IDMAXSIZE 4 /* max sizeof (in_addr_t) */
116 #ifndef NFSRVCACHE_UDPTIMEOUT
117 #define NFSRVCACHE_UDPTIMEOUT 30 /* # of sec to hold cached rpcs(udp) */
119 #ifndef NFSRVCACHE_UDPHIGHWATER
120 #define NFSRVCACHE_UDPHIGHWATER 500 /* Max # of udp cache entries */
122 #ifndef NFSRVCACHE_TCPTIMEOUT
123 #define NFSRVCACHE_TCPTIMEOUT (3600*12) /*#of sec to hold cached rpcs(tcp) */
125 #ifndef NFSRVCACHE_FLOODLEVEL
126 #define NFSRVCACHE_FLOODLEVEL 16384 /* Very high water mark for cache */
128 #ifndef NFSRV_CLIENTHIGHWATER
129 #define NFSRV_CLIENTHIGHWATER 1000
131 #ifndef NFSRV_MAXDUMPLIST
132 #define NFSRV_MAXDUMPLIST 10000
134 #ifndef NFS_ACCESSCACHESIZE
135 #define NFS_ACCESSCACHESIZE 8
137 #define NFSV4_CBPORT 7745 /* Callback port for testing */
140 * This macro defines the high water mark for issuing V4 delegations.
141 * (It is currently set at a conservative 20% of NFSRV_V4STATELIMIT. This
142 * may want to increase when clients can make more effective use of
145 #define NFSRV_V4DELEGLIMIT(c) (((c) * 5) > NFSRV_V4STATELIMIT)
147 #define NFS_READDIRBLKSIZ DIRBLKSIZ /* Minimal nm_readdirsize */
152 #define NFS_CMPFH(n, f, s) \
153 ((n)->n_fhp->nfh_len == (s) && !NFSBCMP((n)->n_fhp->nfh_fh, (caddr_t)(f), (s)))
154 #define NFSRV_CMPFH(nf, ns, f, s) \
155 ((ns) == (s) && !NFSBCMP((caddr_t)(nf), (caddr_t)(f), (s)))
156 #define NFS_CMPTIME(t1, t2) \
157 ((t1).tv_sec == (t2).tv_sec && (t1).tv_nsec == (t2).tv_nsec)
158 #define NFS_SETTIME(t) do { \
159 (t).tv_sec = time.tv_sec; (t).tv_nsec = 1000 * time.tv_usec; } while (0)
160 #define NFS_SRVMAXDATA(n) \
161 (((n)->nd_flag & (ND_NFSV3 | ND_NFSV4)) ? \
162 NFS_MAXDATA : NFS_V2MAXDATA)
163 #define NFS64BITSSET 0xffffffffffffffffull
164 #define NFS64BITSMINUS1 0xfffffffffffffffeull
167 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd, mount_nfs
168 * and nfsloaduser should ever try and use it.
170 struct nfsd_addsock_args {
171 int sock; /* Socket to serve */
172 caddr_t name; /* Client addr for connection based sockets */
173 int namelen; /* Length of name */
177 * nfsd argument for new krpc.
179 struct nfsd_nfsd_args {
180 const char *principal; /* GSS-API service principal name */
181 int minthreads; /* minimum service thread count */
182 int maxthreads; /* maximum service thread count */
186 * Arguments for use by the callback daemon.
188 struct nfsd_nfscbd_args {
189 const char *principal; /* GSS-API service principal name */
193 int sock; /* Socket to serve */
194 caddr_t name; /* Client addr for connection based sockets */
195 int namelen; /* Length of name */
196 u_short port; /* Port# for callbacks */
200 int nid_flag; /* Flags (see below) */
201 uid_t nid_uid; /* user/group id */
203 int nid_usermax; /* Upper bound on user name cache */
204 int nid_usertimeout;/* User name timeout (minutes) */
205 u_char *nid_name; /* Name */
206 int nid_namelen; /* and its length */
210 int nclid_idlen; /* Length of client id */
211 u_char nclid_id[NFSV4_OPAQUELIMIT]; /* and name */
214 struct nfsd_dumplist {
215 int ndl_size; /* Number of elements */
216 void *ndl_list; /* and the list of elements */
219 struct nfsd_dumpclients {
220 u_int32_t ndcl_flags; /* LCL_xxx flags */
221 u_int32_t ndcl_nopenowners; /* Number of openowners */
222 u_int32_t ndcl_nopens; /* and opens */
223 u_int32_t ndcl_nlockowners; /* and of lockowners */
224 u_int32_t ndcl_nlocks; /* and of locks */
225 u_int32_t ndcl_ndelegs; /* and of delegations */
226 u_int32_t ndcl_nolddelegs; /* and old delegations */
227 sa_family_t ndcl_addrfam; /* Callback address */
229 struct in_addr sin_addr;
230 struct in6_addr sin6_addr;
232 struct nfsd_clid ndcl_clid; /* and client id */
235 struct nfsd_dumplocklist {
236 char *ndllck_fname; /* File Name */
237 int ndllck_size; /* Number of elements */
238 void *ndllck_list; /* and the list of elements */
241 struct nfsd_dumplocks {
242 u_int32_t ndlck_flags; /* state flags NFSLCK_xxx */
243 nfsv4stateid_t ndlck_stateid; /* stateid */
244 u_int64_t ndlck_first; /* lock byte range */
246 struct nfsd_clid ndlck_owner; /* Owner of open/lock */
247 sa_family_t ndlck_addrfam; /* Callback address */
249 struct in_addr sin_addr;
250 struct in6_addr sin6_addr;
252 struct nfsd_clid ndlck_clid; /* and client id */
256 * Structure for referral information.
259 u_char *nfr_srvlist; /* List of servers */
260 int nfr_srvcnt; /* number of servers */
261 vnode_t nfr_vp; /* vnode for referral */
262 u_int32_t nfr_dfileno; /* assigned dir inode# */
266 * Flags for lc_flags and opsflags for nfsrv_getclient().
268 #define LCL_NEEDSCONFIRM 0x00000001
269 #define LCL_DONTCLEAN 0x00000002
270 #define LCL_WAKEUPWANTED 0x00000004
271 #define LCL_TCPCALLBACK 0x00000008
272 #define LCL_CALLBACKSON 0x00000010
273 #define LCL_INDEXNOTOK 0x00000020
274 #define LCL_STAMPEDSTABLE 0x00000040
275 #define LCL_EXPIREIT 0x00000080
276 #define LCL_CBDOWN 0x00000100
277 #define LCL_KERBV 0x00000400
278 #define LCL_NAME 0x00000800
279 #define LCL_NEEDSCBNULL 0x00001000
280 #define LCL_GSSINTEGRITY 0x00002000
281 #define LCL_GSSPRIVACY 0x00004000
282 #define LCL_ADMINREVOKED 0x00008000
283 #define LCL_RECLAIMCOMPLETE 0x00010000
284 #define LCL_NFSV41 0x00020000
286 #define LCL_GSS LCL_KERBV /* Or of all mechs */
289 * Bits for flags in nfslock and nfsstate.
290 * The access, deny, NFSLCK_READ and NFSLCK_WRITE bits must be defined as
291 * below, in the correct order, so the shifts work for tests.
293 #define NFSLCK_READACCESS 0x00000001
294 #define NFSLCK_WRITEACCESS 0x00000002
295 #define NFSLCK_ACCESSBITS (NFSLCK_READACCESS | NFSLCK_WRITEACCESS)
296 #define NFSLCK_SHIFT 2
297 #define NFSLCK_READDENY 0x00000004
298 #define NFSLCK_WRITEDENY 0x00000008
299 #define NFSLCK_DENYBITS (NFSLCK_READDENY | NFSLCK_WRITEDENY)
300 #define NFSLCK_SHAREBITS \
301 (NFSLCK_READACCESS|NFSLCK_WRITEACCESS|NFSLCK_READDENY|NFSLCK_WRITEDENY)
302 #define NFSLCK_LOCKSHIFT 4
303 #define NFSLCK_READ 0x00000010
304 #define NFSLCK_WRITE 0x00000020
305 #define NFSLCK_BLOCKING 0x00000040
306 #define NFSLCK_RECLAIM 0x00000080
307 #define NFSLCK_OPENTOLOCK 0x00000100
308 #define NFSLCK_TEST 0x00000200
309 #define NFSLCK_LOCK 0x00000400
310 #define NFSLCK_UNLOCK 0x00000800
311 #define NFSLCK_OPEN 0x00001000
312 #define NFSLCK_CLOSE 0x00002000
313 #define NFSLCK_CHECK 0x00004000
314 #define NFSLCK_RELEASE 0x00008000
315 #define NFSLCK_NEEDSCONFIRM 0x00010000
316 #define NFSLCK_CONFIRM 0x00020000
317 #define NFSLCK_DOWNGRADE 0x00040000
318 #define NFSLCK_DELEGREAD 0x00080000
319 #define NFSLCK_DELEGWRITE 0x00100000
320 #define NFSLCK_DELEGCUR 0x00200000
321 #define NFSLCK_DELEGPREV 0x00400000
322 #define NFSLCK_OLDDELEG 0x00800000
323 #define NFSLCK_DELEGRECALL 0x01000000
324 #define NFSLCK_SETATTR 0x02000000
325 #define NFSLCK_DELEGPURGE 0x04000000
326 #define NFSLCK_DELEGRETURN 0x08000000
327 #define NFSLCK_WANTWDELEG 0x10000000
328 #define NFSLCK_WANTRDELEG 0x20000000
329 #define NFSLCK_WANTNODELEG 0x40000000
330 #define NFSLCK_WANTBITS \
331 (NFSLCK_WANTWDELEG | NFSLCK_WANTRDELEG | NFSLCK_WANTNODELEG)
333 /* And bits for nid_flag */
334 #define NFSID_INITIALIZE 0x0001
335 #define NFSID_ADDUID 0x0002
336 #define NFSID_DELUID 0x0004
337 #define NFSID_ADDUSERNAME 0x0008
338 #define NFSID_DELUSERNAME 0x0010
339 #define NFSID_ADDGID 0x0020
340 #define NFSID_DELGID 0x0040
341 #define NFSID_ADDGROUPNAME 0x0080
342 #define NFSID_DELGROUPNAME 0x0100
345 * fs.nfs sysctl(3) identifiers
347 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
350 * Here is the definition of the attribute bits array and macros that
352 * THE MACROS MUST BE MANUALLY MODIFIED IF NFSATTRBIT_MAXWORDS CHANGES!!
353 * It is (NFSATTRBIT_MAX + 31) / 32.
355 #define NFSATTRBIT_MAXWORDS 3
358 u_int32_t bits[NFSATTRBIT_MAXWORDS];
361 #define NFSZERO_ATTRBIT(b) do { \
367 #define NFSSET_ATTRBIT(t, f) do { \
368 (t)->bits[0] = (f)->bits[0]; \
369 (t)->bits[1] = (f)->bits[1]; \
370 (t)->bits[2] = (f)->bits[2]; \
373 #define NFSSETSUPP_ATTRBIT(b) do { \
374 (b)->bits[0] = NFSATTRBIT_SUPP0; \
375 (b)->bits[1] = (NFSATTRBIT_SUPP1 | NFSATTRBIT_SUPPSETONLY); \
376 (b)->bits[2] = NFSATTRBIT_SUPP2; \
379 #define NFSISSET_ATTRBIT(b, p) ((b)->bits[(p) / 32] & (1 << ((p) % 32)))
380 #define NFSSETBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] |= (1 << ((p) % 32)))
381 #define NFSCLRBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] &= ~(1 << ((p) % 32)))
383 #define NFSCLRALL_ATTRBIT(b, a) do { \
384 (b)->bits[0] &= ~((a)->bits[0]); \
385 (b)->bits[1] &= ~((a)->bits[1]); \
386 (b)->bits[2] &= ~((a)->bits[2]); \
389 #define NFSCLRNOT_ATTRBIT(b, a) do { \
390 (b)->bits[0] &= ((a)->bits[0]); \
391 (b)->bits[1] &= ((a)->bits[1]); \
392 (b)->bits[2] &= ((a)->bits[2]); \
395 #define NFSCLRNOTFILLABLE_ATTRBIT(b) do { \
396 (b)->bits[0] &= NFSATTRBIT_SUPP0; \
397 (b)->bits[1] &= NFSATTRBIT_SUPP1; \
398 (b)->bits[2] &= NFSATTRBIT_SUPP2; \
401 #define NFSCLRNOTSETABLE_ATTRBIT(b) do { \
402 (b)->bits[0] &= NFSATTRBIT_SETABLE0; \
403 (b)->bits[1] &= NFSATTRBIT_SETABLE1; \
404 (b)->bits[2] &= NFSATTRBIT_SETABLE2; \
407 #define NFSNONZERO_ATTRBIT(b) ((b)->bits[0] || (b)->bits[1] || (b)->bits[2])
408 #define NFSEQUAL_ATTRBIT(b, p) ((b)->bits[0] == (p)->bits[0] && \
409 (b)->bits[1] == (p)->bits[1] && (b)->bits[2] == (p)->bits[2])
411 #define NFSGETATTR_ATTRBIT(b) do { \
412 (b)->bits[0] = NFSATTRBIT_GETATTR0; \
413 (b)->bits[1] = NFSATTRBIT_GETATTR1; \
414 (b)->bits[2] = NFSATTRBIT_GETATTR2; \
417 #define NFSWCCATTR_ATTRBIT(b) do { \
418 (b)->bits[0] = NFSATTRBIT_WCCATTR0; \
419 (b)->bits[1] = NFSATTRBIT_WCCATTR1; \
420 (b)->bits[2] = NFSATTRBIT_WCCATTR2; \
423 #define NFSWRITEGETATTR_ATTRBIT(b) do { \
424 (b)->bits[0] = NFSATTRBIT_WRITEGETATTR0; \
425 (b)->bits[1] = NFSATTRBIT_WRITEGETATTR1; \
426 (b)->bits[2] = NFSATTRBIT_WRITEGETATTR2; \
429 #define NFSCBGETATTR_ATTRBIT(b, c) do { \
430 (c)->bits[0] = ((b)->bits[0] & NFSATTRBIT_CBGETATTR0); \
431 (c)->bits[1] = ((b)->bits[1] & NFSATTRBIT_CBGETATTR1); \
432 (c)->bits[2] = ((b)->bits[2] & NFSATTRBIT_CBGETATTR2); \
435 #define NFSPATHCONF_GETATTRBIT(b) do { \
436 (b)->bits[0] = NFSGETATTRBIT_PATHCONF0; \
437 (b)->bits[1] = NFSGETATTRBIT_PATHCONF1; \
438 (b)->bits[2] = NFSGETATTRBIT_PATHCONF2; \
441 #define NFSSTATFS_GETATTRBIT(b) do { \
442 (b)->bits[0] = NFSGETATTRBIT_STATFS0; \
443 (b)->bits[1] = NFSGETATTRBIT_STATFS1; \
444 (b)->bits[2] = NFSGETATTRBIT_STATFS2; \
447 #define NFSISSETSTATFS_ATTRBIT(b) \
448 (((b)->bits[0] & NFSATTRBIT_STATFS0) || \
449 ((b)->bits[1] & NFSATTRBIT_STATFS1) || \
450 ((b)->bits[2] & NFSATTRBIT_STATFS2))
452 #define NFSCLRSTATFS_ATTRBIT(b) do { \
453 (b)->bits[0] &= ~NFSATTRBIT_STATFS0; \
454 (b)->bits[1] &= ~NFSATTRBIT_STATFS1; \
455 (b)->bits[2] &= ~NFSATTRBIT_STATFS2; \
458 #define NFSREADDIRPLUS_ATTRBIT(b) do { \
459 (b)->bits[0] = NFSATTRBIT_READDIRPLUS0; \
460 (b)->bits[1] = NFSATTRBIT_READDIRPLUS1; \
461 (b)->bits[2] = NFSATTRBIT_READDIRPLUS2; \
464 #define NFSREFERRAL_ATTRBIT(b) do { \
465 (b)->bits[0] = NFSATTRBIT_REFERRAL0; \
466 (b)->bits[1] = NFSATTRBIT_REFERRAL1; \
467 (b)->bits[2] = NFSATTRBIT_REFERRAL2; \
471 * Store uid, gid creds that were used when the stateid was acquired.
472 * The RPC layer allows NFS_MAXGRPS + 1 groups to go out on the wire,
473 * so that's how many gets stored here.
477 gid_t nfsc_groups[NFS_MAXGRPS + 1];
482 * Constants that define the file handle for the V4 root directory.
483 * (The FSID must never be used by other file systems that are exported.)
485 #define NFSV4ROOT_FSID0 ((int32_t) -1)
486 #define NFSV4ROOT_FSID1 ((int32_t) -1)
487 #define NFSV4ROOT_REFERRAL ((int32_t) -2)
488 #define NFSV4ROOT_INO 2 /* It's traditional */
489 #define NFSV4ROOT_GEN 1
492 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
493 * What should be in this set is open to debate, but I believe that since
494 * I/O system calls on ufs are never interrupted by signals the set should
495 * be minimal. My reasoning is that many current programs that use signals
496 * such as SIGALRM will not expect file I/O system calls to be interrupted
499 #if defined(_KERNEL) || defined(KERNEL)
501 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
504 * Socket errors ignored for connectionless sockets?
505 * For now, ignore them all
507 #define NFSIGNORE_SOERROR(s, e) \
508 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
509 ((s) & PR_CONNREQUIRED) == 0)
513 * This structure holds socket information for a connection. Used by the
514 * client and the server for callbacks.
517 NFSSOCKADDR_T nr_nam;
521 struct ucred *nr_cred;
526 struct __rpc_client *nr_client;
531 * And associated nr_lock bits.
533 #define NFSR_SNDLOCK 0x01
534 #define NFSR_WANTSND 0x02
535 #define NFSR_RCVLOCK 0x04
536 #define NFSR_WANTRCV 0x08
537 #define NFSR_RESERVEDPORT 0x10
538 #define NFSR_LOCALHOST 0x20
541 * Queue head for nfsreq's
543 TAILQ_HEAD(nfsreqhead, nfsreq);
545 /* This is the only nfsreq R_xxx flag still used. */
546 #define R_DONTRECOVER 0x00000100 /* don't initiate recovery when this
547 rpc gets a stale state reply */
550 * Network address hash list element
553 struct in_addr had_inet;
554 struct in6_addr had_inet6;
558 * Structure of list of mechanisms.
560 struct nfsgss_mechlist {
565 #define KERBV_MECH 0 /* position in list */
568 * This structure is used by the server for describing each request.
570 struct nfsrv_descript {
571 mbuf_t nd_mrep; /* Request mbuf list */
572 mbuf_t nd_md; /* Current dissect mbuf */
573 mbuf_t nd_mreq; /* Reply mbuf list */
574 mbuf_t nd_mb; /* Current build mbuf */
575 NFSSOCKADDR_T nd_nam; /* and socket addr */
576 NFSSOCKADDR_T nd_nam2; /* return socket addr */
577 caddr_t nd_dpos; /* Current dissect pos */
578 caddr_t nd_bpos; /* Current build pos */
579 u_int16_t nd_procnum; /* RPC # */
580 u_int32_t nd_flag; /* nd_flag */
581 u_int32_t nd_repstat; /* Reply status */
582 int *nd_errp; /* Pointer to ret status */
583 u_int32_t nd_retxid; /* Reply xid */
584 struct nfsrvcache *nd_rp; /* Assoc. cache entry */
585 fhandle_t nd_fh; /* File handle */
586 struct ucred *nd_cred; /* Credentials */
587 uid_t nd_saveduid; /* Saved uid */
588 u_int64_t nd_sockref; /* Rcv socket ref# */
589 u_int64_t nd_compref; /* Compound RPC ref# */
590 time_t nd_tcpconntime; /* Time TCP connection est. */
591 nfsquad_t nd_clientid; /* Implied clientid */
592 int nd_gssnamelen; /* principal name length */
593 char *nd_gssname; /* principal name */
594 uint32_t *nd_slotseq; /* ptr to slot seq# in req */
595 uint8_t nd_sessionid[NFSX_V4SESSIONID]; /* Session id */
596 uint32_t nd_slotid; /* Slotid for this RPC */
597 SVCXPRT *nd_xprt; /* Server RPC handle */
600 #define nd_princlen nd_gssnamelen
601 #define nd_principal nd_gssname
603 /* Bits for "nd_flag" */
604 #define ND_DONTSAVEREPLY 0x00000001
605 #define ND_SAVEREPLY 0x00000002
606 #define ND_NFSV2 0x00000004
607 #define ND_NFSV3 0x00000008
608 #define ND_NFSV4 0x00000010
609 #define ND_KERBV 0x00000020
610 #define ND_GSSINTEGRITY 0x00000040
611 #define ND_GSSPRIVACY 0x00000080
612 #define ND_WINDOWVERF 0x00000100
613 #define ND_GSSINITREPLY 0x00000200
614 #define ND_STREAMSOCK 0x00000400
615 #define ND_PUBLOOKUP 0x00000800
616 #define ND_USEGSSNAME 0x00001000
617 #define ND_SAMETCPCONN 0x00002000
618 #define ND_IMPLIEDCLID 0x00004000
619 #define ND_NOMOREDATA 0x00008000
620 #define ND_V4WCCATTR 0x00010000
621 #define ND_NFSCB 0x00020000
622 #define ND_AUTHNONE 0x00040000
623 #define ND_EXAUTHSYS 0x00080000
624 #define ND_EXGSS 0x00100000
625 #define ND_EXGSSINTEGRITY 0x00200000
626 #define ND_EXGSSPRIVACY 0x00400000
627 #define ND_INCRSEQID 0x00800000
628 #define ND_NFSCL 0x01000000
629 #define ND_NFSV41 0x02000000
630 #define ND_HASSEQUENCE 0x04000000
631 #define ND_CACHETHIS 0x08000000
632 #define ND_LASTOP 0x10000000
635 * ND_GSS should be the "or" of all GSS type authentications.
637 #define ND_GSS (ND_KERBV)
639 struct nfsv4_opflag {
649 * Flags used to indicate what to do w.r.t. seqid checking.
651 #define NFSRVSEQID_FIRST 0x01
652 #define NFSRVSEQID_LAST 0x02
653 #define NFSRVSEQID_OPEN 0x04
656 * assign a doubly linked list to a new head
657 * and prepend one list into another.
659 #define LIST_NEWHEAD(nhead, ohead, field) do { \
660 if (((nhead)->lh_first = (ohead)->lh_first) != NULL) \
661 (ohead)->lh_first->field.le_prev = &(nhead)->lh_first; \
662 (ohead)->lh_first = NULL; \
665 #define LIST_PREPEND(head, phead, lelm, field) do { \
666 if ((head)->lh_first != NULL) { \
667 (lelm)->field.le_next = (head)->lh_first; \
668 (lelm)->field.le_next->field.le_prev = \
669 &(lelm)->field.le_next; \
671 (head)->lh_first = (phead)->lh_first; \
672 (head)->lh_first->field.le_prev = &(head)->lh_first; \
676 * File handle structure for client. Malloc'd to the correct length with
677 * malloc type M_NFSFH.
680 u_int16_t nfh_len; /* Length of file handle */
681 u_int8_t nfh_fh[1]; /* and the file handle */
685 * File handle structure for server. The NFSRV_MAXFH constant is
686 * set in nfsdport.h. I use a 32bit length, so that alignment is
690 u_int32_t nfsrvfh_len;
691 u_int8_t nfsrvfh_data[NFSRV_MAXFH];
695 * This structure is used for sleep locks on the NFSv4 nfsd threads and
696 * NFSv4 client data structures.
699 u_int32_t nfslock_usecnt;
700 u_int8_t nfslock_lock;
702 #define NFSV4LOCK_LOCK 0x01
703 #define NFSV4LOCK_LOCKWANTED 0x02
704 #define NFSV4LOCK_WANTED 0x04
707 * Values for the override argument for nfsvno_accchk().
709 #define NFSACCCHK_NOOVERRIDE 0
710 #define NFSACCCHK_ALLOWROOT 1
711 #define NFSACCCHK_ALLOWOWNER 2
714 * and values for the vpislocked argument for nfsvno_accchk().
716 #define NFSACCCHK_VPNOTLOCKED 0
717 #define NFSACCCHK_VPISLOCKED 1
720 * Slot for the NFSv4.1 Sequence Op.
725 struct mbuf *nfssl_reply;
730 #endif /* _NFS_NFS_H */