1/*
2 * Copyright (c) 1989, 1993, 1995
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nfs.h 8.4 (Berkeley) 5/1/95
| 1/*
2 * Copyright (c) 1989, 1993, 1995
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nfs.h 8.4 (Berkeley) 5/1/95
|
37 * $Id: nfs.h,v 1.28 1997/06/03 17:22:45 dfr Exp $
| 37 * $Id: nfs.h,v 1.29 1997/07/16 09:06:27 dfr Exp $
|
38 */
39
40#ifndef _NFS_NFS_H_
41#define _NFS_NFS_H_
42
43/*
44 * Tunable constants for nfs
45 */
46
47#define NFS_MAXIOVEC 34
48#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
49#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
50#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
51#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
52#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
53#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
54#define NFS_MAXREXMIT 100 /* Stop counting after this many */
55#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
56#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
57#define NFS_MAXGRPS 16 /* Max. size of groups list */
58#ifndef NFS_MINATTRTIMO
59#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
60#endif
61#ifndef NFS_MAXATTRTIMO
62#define NFS_MAXATTRTIMO 60
63#endif
64#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
65#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
66#define NFS_READDIRSIZE 8192 /* Def. readdir size */
67#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
68#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
69#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
70#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */
71#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
72#ifndef NFS_GATHERDELAY
73#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */
74#endif
75#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
76#ifdef KERNEL
77#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
78#endif
79
80/*
81 * Oddballs
82 */
83#define NMOD(a) ((a) % nfs_asyncdaemons)
84#define NFS_CMPFH(n, f, s) \
85 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
86#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
87#define NFS_SRVMAXDATA(n) \
88 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
89 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
90
91/*
92 * XXX
93 * The B_INVAFTERWRITE flag should be set to whatever is required by the
94 * buffer cache code to say "Invalidate the block after it is written back".
95 */
96#ifdef __FreeBSD__
97#define B_INVAFTERWRITE B_NOCACHE
98#else
99#define B_INVAFTERWRITE B_INVAL
100#endif
101
102/*
103 * The IO_METASYNC flag should be implemented for local file systems.
104 * (Until then, it is nothin at all.)
105 */
106#ifndef IO_METASYNC
107#define IO_METASYNC 0
108#endif
109
110/*
111 * Set the attribute timeout based on how recently the file has been modified.
112 */
113#define NFS_ATTRTIMEO(np) \
114 ((((np)->n_flag & NMODIFIED) || \
115 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \
116 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \
117 (time.tv_sec - (np)->n_mtime) / 10))
118
119/*
120 * Expected allocation sizes for major data structures. If the actual size
121 * of the structure exceeds these sizes, then malloc() will be allocating
122 * almost twice the memory required. This is used in nfs_init() to warn
123 * the sysadmin that the size of a structure should be reduced.
124 * (These sizes are always a power of 2. If the kernel malloc() changes
125 * to one that does not allocate space in powers of 2 size, then this all
126 * becomes bunk!)
127 */
128#define NFS_NODEALLOC 256
129#define NFS_MNTALLOC 512
130#define NFS_SVCALLOC 256
131#define NFS_UIDALLOC 128
132
133/*
134 * Arguments to mount NFS
135 */
136#define NFS_ARGSVERSION 3 /* change when nfs_args changes */
137struct nfs_args {
138 int version; /* args structure version number */
139 struct sockaddr *addr; /* file server address */
140 int addrlen; /* length of address */
141 int sotype; /* Socket type */
142 int proto; /* and Protocol */
143 u_char *fh; /* File handle to be mounted */
144 int fhsize; /* Size, in bytes, of fh */
145 int flags; /* flags */
146 int wsize; /* write size in bytes */
147 int rsize; /* read size in bytes */
148 int readdirsize; /* readdir size in bytes */
149 int timeo; /* initial timeout in .1 secs */
150 int retrans; /* times to retry send */
151 int maxgrouplist; /* Max. size of group list */
152 int readahead; /* # of blocks to readahead */
153 int leaseterm; /* Term (sec) of lease */
154 int deadthresh; /* Retrans threshold */
155 char *hostname; /* server's name */
156};
157
158/*
159 * NFS mount option flags
160 */
161#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
162#define NFSMNT_WSIZE 0x00000002 /* set write size */
163#define NFSMNT_RSIZE 0x00000004 /* set read size */
164#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */
165#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */
166#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */
167#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
168#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */
169#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */
170#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */
171#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */
172#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */
173#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */
174#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */
175#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */
176#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
177#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */
178#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */
179#define NFSMNT_INTERNAL 0xfffc0000 /* Bits set internally */
180#define NFSMNT_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
181#define NFSMNT_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
182#define NFSMNT_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
183#define NFSMNT_MNTD 0x00200000 /* Mnt server for mnt point */
184#define NFSMNT_DISMINPROG 0x00400000 /* Dismount in progress */
185#define NFSMNT_DISMNT 0x00800000 /* Dismounted */
186#define NFSMNT_SNDLOCK 0x01000000 /* Send socket lock */
187#define NFSMNT_WANTSND 0x02000000 /* Want above */
188#define NFSMNT_RCVLOCK 0x04000000 /* Rcv socket lock */
189#define NFSMNT_WANTRCV 0x08000000 /* Want above */
190#define NFSMNT_WAITAUTH 0x10000000 /* Wait for authentication */
191#define NFSMNT_HASAUTH 0x20000000 /* Has authenticator */
192#define NFSMNT_WANTAUTH 0x40000000 /* Wants an authenticator */
193#define NFSMNT_AUTHERR 0x80000000 /* Authentication error */
194
195/*
196 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
197 * should ever try and use it.
198 */
199struct nfsd_args {
200 int sock; /* Socket to serve */
201 caddr_t name; /* Client addr for connection based sockets */
202 int namelen; /* Length of name */
203};
204
205struct nfsd_srvargs {
206 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
207 uid_t nsd_uid; /* Effective uid mapped to cred */
208 u_long nsd_haddr; /* Ip address of client */
209 struct ucred nsd_cr; /* Cred. uid maps to */
210 int nsd_authlen; /* Length of auth string (ret) */
211 u_char *nsd_authstr; /* Auth string (ret) */
212 int nsd_verflen; /* and the verfier */
213 u_char *nsd_verfstr;
214 struct timeval nsd_timestamp; /* timestamp from verifier */
215 u_long nsd_ttl; /* credential ttl (sec) */
216 NFSKERBKEY_T nsd_key; /* Session key */
217};
218
219struct nfsd_cargs {
220 char *ncd_dirp; /* Mount dir path */
221 uid_t ncd_authuid; /* Effective uid */
222 int ncd_authtype; /* Type of authenticator */
223 int ncd_authlen; /* Length of authenticator string */
224 u_char *ncd_authstr; /* Authenticator string */
225 int ncd_verflen; /* and the verifier */
226 u_char *ncd_verfstr;
227 NFSKERBKEY_T ncd_key; /* Session key */
228};
229
230/*
231 * XXX to allow amd to include nfs.h without nfsproto.h
232 */
233#ifdef NFS_NPROCS
234/*
235 * Stats structure
236 */
237struct nfsstats {
238 int attrcache_hits;
239 int attrcache_misses;
240 int lookupcache_hits;
241 int lookupcache_misses;
242 int direofcache_hits;
243 int direofcache_misses;
244 int biocache_reads;
245 int read_bios;
246 int read_physios;
247 int biocache_writes;
248 int write_bios;
249 int write_physios;
250 int biocache_readlinks;
251 int readlink_bios;
252 int biocache_readdirs;
253 int readdir_bios;
254 int rpccnt[NFS_NPROCS];
255 int rpcretries;
256 int srvrpccnt[NFS_NPROCS];
257 int srvrpc_errs;
258 int srv_errs;
259 int rpcrequests;
260 int rpctimeouts;
261 int rpcunexpected;
262 int rpcinvalid;
263 int srvcache_inproghits;
264 int srvcache_idemdonehits;
265 int srvcache_nonidemdonehits;
266 int srvcache_misses;
267 int srvnqnfs_leases;
268 int srvnqnfs_maxleases;
269 int srvnqnfs_getleases;
270 int srvvop_writes;
271};
272#endif
273
274/*
275 * Flags for nfssvc() system call.
276 */
277#define NFSSVC_BIOD 0x002
278#define NFSSVC_NFSD 0x004
279#define NFSSVC_ADDSOCK 0x008
280#define NFSSVC_AUTHIN 0x010
281#define NFSSVC_GOTAUTH 0x040
282#define NFSSVC_AUTHINFAIL 0x080
283#define NFSSVC_MNTD 0x100
284
285/*
286 * fs.nfs sysctl(3) identifiers
287 */
288#define NFS_NFSSTATS 1 /* struct: struct nfsstats */
289#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */
290
291#define FS_NFS_NAMES { \
292 { 0, 0 }, \
293 { "nfsstats", CTLTYPE_STRUCT }, \
294 { "nfsprivport", CTLTYPE_INT }, \
295}
296
297/*
298 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
299 * What should be in this set is open to debate, but I believe that since
300 * I/O system calls on ufs are never interrupted by signals the set should
301 * be minimal. My reasoning is that many current programs that use signals
302 * such as SIGALRM will not expect file I/O system calls to be interrupted
303 * by them and break.
304 */
305#ifdef KERNEL
306
307struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
308
309#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
310 sigmask(SIGHUP)|sigmask(SIGQUIT))
311
312/*
313 * Socket errors ignored for connectionless sockets??
314 * For now, ignore them all
315 */
316#define NFSIGNORE_SOERROR(s, e) \
317 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
318 ((s) & PR_CONNREQUIRED) == 0)
319
320/*
321 * Nfs outstanding request list element
322 */
323struct nfsreq {
324 TAILQ_ENTRY(nfsreq) r_chain;
325 struct mbuf *r_mreq;
326 struct mbuf *r_mrep;
327 struct mbuf *r_md;
328 caddr_t r_dpos;
329 struct nfsmount *r_nmp;
330 struct vnode *r_vp;
331 u_long r_xid;
332 int r_flags; /* flags on request, see below */
333 int r_retry; /* max retransmission count */
334 int r_rexmit; /* current retrans count */
335 int r_timer; /* tick counter on reply */
336 u_int32_t r_procnum; /* NFS procedure number */
337 int r_rtt; /* RTT for rpc */
338 struct proc *r_procp; /* Proc that did I/O system call */
339};
340
341/*
342 * Queue head for nfsreq's
343 */
344extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
345
346/* Flag values for r_flags */
347#define R_TIMING 0x01 /* timing request (in mntp) */
348#define R_SENT 0x02 /* request has been sent */
349#define R_SOFTTERM 0x04 /* soft mnt, too many retries */
350#define R_INTR 0x08 /* intr mnt, signal pending */
351#define R_SOCKERR 0x10 /* Fatal error on socket */
352#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */
353#define R_MUSTRESEND 0x40 /* Must resend request */
354#define R_GETONEREP 0x80 /* Probe for one reply only */
355
356/*
357 * A list of nfssvc_sock structures is maintained with all the sockets
358 * that require service by the nfsd.
359 * The nfsuid structs hang off of the nfssvc_sock structs in both lru
360 * and uid hash lists.
361 */
362#ifndef NFS_UIDHASHSIZ
363#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
364#endif
365#define NUIDHASH(sock, uid) \
366 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
367#ifndef NFS_WDELAYHASHSIZ
368#define NFS_WDELAYHASHSIZ 16 /* and with this */
369#endif
370#define NWDELAYHASH(sock, f) \
371 (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ])
372#ifndef NFS_MUIDHASHSIZ
373#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
374#endif
375#define NMUIDHASH(nmp, uid) \
376 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
377#define NFSNOHASH(fhsum) \
378 (&nfsnodehashtbl[(fhsum) & nfsnodehash])
379
380/*
381 * Network address hash list element
382 */
383union nethostaddr {
384 u_long had_inetaddr;
| 38 */
39
40#ifndef _NFS_NFS_H_
41#define _NFS_NFS_H_
42
43/*
44 * Tunable constants for nfs
45 */
46
47#define NFS_MAXIOVEC 34
48#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
49#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
50#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
51#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
52#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
53#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
54#define NFS_MAXREXMIT 100 /* Stop counting after this many */
55#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
56#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
57#define NFS_MAXGRPS 16 /* Max. size of groups list */
58#ifndef NFS_MINATTRTIMO
59#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
60#endif
61#ifndef NFS_MAXATTRTIMO
62#define NFS_MAXATTRTIMO 60
63#endif
64#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
65#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
66#define NFS_READDIRSIZE 8192 /* Def. readdir size */
67#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
68#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
69#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
70#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */
71#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
72#ifndef NFS_GATHERDELAY
73#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */
74#endif
75#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
76#ifdef KERNEL
77#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
78#endif
79
80/*
81 * Oddballs
82 */
83#define NMOD(a) ((a) % nfs_asyncdaemons)
84#define NFS_CMPFH(n, f, s) \
85 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
86#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
87#define NFS_SRVMAXDATA(n) \
88 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
89 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
90
91/*
92 * XXX
93 * The B_INVAFTERWRITE flag should be set to whatever is required by the
94 * buffer cache code to say "Invalidate the block after it is written back".
95 */
96#ifdef __FreeBSD__
97#define B_INVAFTERWRITE B_NOCACHE
98#else
99#define B_INVAFTERWRITE B_INVAL
100#endif
101
102/*
103 * The IO_METASYNC flag should be implemented for local file systems.
104 * (Until then, it is nothin at all.)
105 */
106#ifndef IO_METASYNC
107#define IO_METASYNC 0
108#endif
109
110/*
111 * Set the attribute timeout based on how recently the file has been modified.
112 */
113#define NFS_ATTRTIMEO(np) \
114 ((((np)->n_flag & NMODIFIED) || \
115 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \
116 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \
117 (time.tv_sec - (np)->n_mtime) / 10))
118
119/*
120 * Expected allocation sizes for major data structures. If the actual size
121 * of the structure exceeds these sizes, then malloc() will be allocating
122 * almost twice the memory required. This is used in nfs_init() to warn
123 * the sysadmin that the size of a structure should be reduced.
124 * (These sizes are always a power of 2. If the kernel malloc() changes
125 * to one that does not allocate space in powers of 2 size, then this all
126 * becomes bunk!)
127 */
128#define NFS_NODEALLOC 256
129#define NFS_MNTALLOC 512
130#define NFS_SVCALLOC 256
131#define NFS_UIDALLOC 128
132
133/*
134 * Arguments to mount NFS
135 */
136#define NFS_ARGSVERSION 3 /* change when nfs_args changes */
137struct nfs_args {
138 int version; /* args structure version number */
139 struct sockaddr *addr; /* file server address */
140 int addrlen; /* length of address */
141 int sotype; /* Socket type */
142 int proto; /* and Protocol */
143 u_char *fh; /* File handle to be mounted */
144 int fhsize; /* Size, in bytes, of fh */
145 int flags; /* flags */
146 int wsize; /* write size in bytes */
147 int rsize; /* read size in bytes */
148 int readdirsize; /* readdir size in bytes */
149 int timeo; /* initial timeout in .1 secs */
150 int retrans; /* times to retry send */
151 int maxgrouplist; /* Max. size of group list */
152 int readahead; /* # of blocks to readahead */
153 int leaseterm; /* Term (sec) of lease */
154 int deadthresh; /* Retrans threshold */
155 char *hostname; /* server's name */
156};
157
158/*
159 * NFS mount option flags
160 */
161#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
162#define NFSMNT_WSIZE 0x00000002 /* set write size */
163#define NFSMNT_RSIZE 0x00000004 /* set read size */
164#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */
165#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */
166#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */
167#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
168#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */
169#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */
170#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */
171#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */
172#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */
173#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */
174#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */
175#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */
176#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
177#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */
178#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */
179#define NFSMNT_INTERNAL 0xfffc0000 /* Bits set internally */
180#define NFSMNT_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
181#define NFSMNT_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
182#define NFSMNT_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
183#define NFSMNT_MNTD 0x00200000 /* Mnt server for mnt point */
184#define NFSMNT_DISMINPROG 0x00400000 /* Dismount in progress */
185#define NFSMNT_DISMNT 0x00800000 /* Dismounted */
186#define NFSMNT_SNDLOCK 0x01000000 /* Send socket lock */
187#define NFSMNT_WANTSND 0x02000000 /* Want above */
188#define NFSMNT_RCVLOCK 0x04000000 /* Rcv socket lock */
189#define NFSMNT_WANTRCV 0x08000000 /* Want above */
190#define NFSMNT_WAITAUTH 0x10000000 /* Wait for authentication */
191#define NFSMNT_HASAUTH 0x20000000 /* Has authenticator */
192#define NFSMNT_WANTAUTH 0x40000000 /* Wants an authenticator */
193#define NFSMNT_AUTHERR 0x80000000 /* Authentication error */
194
195/*
196 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
197 * should ever try and use it.
198 */
199struct nfsd_args {
200 int sock; /* Socket to serve */
201 caddr_t name; /* Client addr for connection based sockets */
202 int namelen; /* Length of name */
203};
204
205struct nfsd_srvargs {
206 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
207 uid_t nsd_uid; /* Effective uid mapped to cred */
208 u_long nsd_haddr; /* Ip address of client */
209 struct ucred nsd_cr; /* Cred. uid maps to */
210 int nsd_authlen; /* Length of auth string (ret) */
211 u_char *nsd_authstr; /* Auth string (ret) */
212 int nsd_verflen; /* and the verfier */
213 u_char *nsd_verfstr;
214 struct timeval nsd_timestamp; /* timestamp from verifier */
215 u_long nsd_ttl; /* credential ttl (sec) */
216 NFSKERBKEY_T nsd_key; /* Session key */
217};
218
219struct nfsd_cargs {
220 char *ncd_dirp; /* Mount dir path */
221 uid_t ncd_authuid; /* Effective uid */
222 int ncd_authtype; /* Type of authenticator */
223 int ncd_authlen; /* Length of authenticator string */
224 u_char *ncd_authstr; /* Authenticator string */
225 int ncd_verflen; /* and the verifier */
226 u_char *ncd_verfstr;
227 NFSKERBKEY_T ncd_key; /* Session key */
228};
229
230/*
231 * XXX to allow amd to include nfs.h without nfsproto.h
232 */
233#ifdef NFS_NPROCS
234/*
235 * Stats structure
236 */
237struct nfsstats {
238 int attrcache_hits;
239 int attrcache_misses;
240 int lookupcache_hits;
241 int lookupcache_misses;
242 int direofcache_hits;
243 int direofcache_misses;
244 int biocache_reads;
245 int read_bios;
246 int read_physios;
247 int biocache_writes;
248 int write_bios;
249 int write_physios;
250 int biocache_readlinks;
251 int readlink_bios;
252 int biocache_readdirs;
253 int readdir_bios;
254 int rpccnt[NFS_NPROCS];
255 int rpcretries;
256 int srvrpccnt[NFS_NPROCS];
257 int srvrpc_errs;
258 int srv_errs;
259 int rpcrequests;
260 int rpctimeouts;
261 int rpcunexpected;
262 int rpcinvalid;
263 int srvcache_inproghits;
264 int srvcache_idemdonehits;
265 int srvcache_nonidemdonehits;
266 int srvcache_misses;
267 int srvnqnfs_leases;
268 int srvnqnfs_maxleases;
269 int srvnqnfs_getleases;
270 int srvvop_writes;
271};
272#endif
273
274/*
275 * Flags for nfssvc() system call.
276 */
277#define NFSSVC_BIOD 0x002
278#define NFSSVC_NFSD 0x004
279#define NFSSVC_ADDSOCK 0x008
280#define NFSSVC_AUTHIN 0x010
281#define NFSSVC_GOTAUTH 0x040
282#define NFSSVC_AUTHINFAIL 0x080
283#define NFSSVC_MNTD 0x100
284
285/*
286 * fs.nfs sysctl(3) identifiers
287 */
288#define NFS_NFSSTATS 1 /* struct: struct nfsstats */
289#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */
290
291#define FS_NFS_NAMES { \
292 { 0, 0 }, \
293 { "nfsstats", CTLTYPE_STRUCT }, \
294 { "nfsprivport", CTLTYPE_INT }, \
295}
296
297/*
298 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
299 * What should be in this set is open to debate, but I believe that since
300 * I/O system calls on ufs are never interrupted by signals the set should
301 * be minimal. My reasoning is that many current programs that use signals
302 * such as SIGALRM will not expect file I/O system calls to be interrupted
303 * by them and break.
304 */
305#ifdef KERNEL
306
307struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
308
309#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
310 sigmask(SIGHUP)|sigmask(SIGQUIT))
311
312/*
313 * Socket errors ignored for connectionless sockets??
314 * For now, ignore them all
315 */
316#define NFSIGNORE_SOERROR(s, e) \
317 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
318 ((s) & PR_CONNREQUIRED) == 0)
319
320/*
321 * Nfs outstanding request list element
322 */
323struct nfsreq {
324 TAILQ_ENTRY(nfsreq) r_chain;
325 struct mbuf *r_mreq;
326 struct mbuf *r_mrep;
327 struct mbuf *r_md;
328 caddr_t r_dpos;
329 struct nfsmount *r_nmp;
330 struct vnode *r_vp;
331 u_long r_xid;
332 int r_flags; /* flags on request, see below */
333 int r_retry; /* max retransmission count */
334 int r_rexmit; /* current retrans count */
335 int r_timer; /* tick counter on reply */
336 u_int32_t r_procnum; /* NFS procedure number */
337 int r_rtt; /* RTT for rpc */
338 struct proc *r_procp; /* Proc that did I/O system call */
339};
340
341/*
342 * Queue head for nfsreq's
343 */
344extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
345
346/* Flag values for r_flags */
347#define R_TIMING 0x01 /* timing request (in mntp) */
348#define R_SENT 0x02 /* request has been sent */
349#define R_SOFTTERM 0x04 /* soft mnt, too many retries */
350#define R_INTR 0x08 /* intr mnt, signal pending */
351#define R_SOCKERR 0x10 /* Fatal error on socket */
352#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */
353#define R_MUSTRESEND 0x40 /* Must resend request */
354#define R_GETONEREP 0x80 /* Probe for one reply only */
355
356/*
357 * A list of nfssvc_sock structures is maintained with all the sockets
358 * that require service by the nfsd.
359 * The nfsuid structs hang off of the nfssvc_sock structs in both lru
360 * and uid hash lists.
361 */
362#ifndef NFS_UIDHASHSIZ
363#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
364#endif
365#define NUIDHASH(sock, uid) \
366 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
367#ifndef NFS_WDELAYHASHSIZ
368#define NFS_WDELAYHASHSIZ 16 /* and with this */
369#endif
370#define NWDELAYHASH(sock, f) \
371 (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ])
372#ifndef NFS_MUIDHASHSIZ
373#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
374#endif
375#define NMUIDHASH(nmp, uid) \
376 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
377#define NFSNOHASH(fhsum) \
378 (&nfsnodehashtbl[(fhsum) & nfsnodehash])
379
380/*
381 * Network address hash list element
382 */
383union nethostaddr {
384 u_long had_inetaddr;
|
385 struct mbuf *had_nam;
| 385 struct sockaddr *had_nam;
|
386};
387
388struct nfsuid {
389 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
390 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
391 int nu_flag; /* Flags */
392 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
393 struct ucred nu_cr; /* Cred uid mapped to */
394 int nu_expire; /* Expiry time (sec) */
395 struct timeval nu_timestamp; /* Kerb. timestamp */
396 u_long nu_nickname; /* Nickname on server */
397 NFSKERBKEY_T nu_key; /* and session key */
398};
399
400#define nu_inetaddr nu_haddr.had_inetaddr
401#define nu_nam nu_haddr.had_nam
402/* Bits for nu_flag */
403#define NU_INETADDR 0x1
404#define NU_NAM 0x2
405#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
406
407struct nfsrv_rec {
408 STAILQ_ENTRY(nfsrv_rec) nr_link;
| 386};
387
388struct nfsuid {
389 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
390 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
391 int nu_flag; /* Flags */
392 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
393 struct ucred nu_cr; /* Cred uid mapped to */
394 int nu_expire; /* Expiry time (sec) */
395 struct timeval nu_timestamp; /* Kerb. timestamp */
396 u_long nu_nickname; /* Nickname on server */
397 NFSKERBKEY_T nu_key; /* and session key */
398};
399
400#define nu_inetaddr nu_haddr.had_inetaddr
401#define nu_nam nu_haddr.had_nam
402/* Bits for nu_flag */
403#define NU_INETADDR 0x1
404#define NU_NAM 0x2
405#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
406
407struct nfsrv_rec {
408 STAILQ_ENTRY(nfsrv_rec) nr_link;
|
409 struct mbuf *nr_address;
| 409 struct sockaddr *nr_address;
|
410 struct mbuf *nr_packet;
411};
412
413struct nfssvc_sock {
414 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
415 TAILQ_HEAD(, nfsuid) ns_uidlruhead;
416 struct file *ns_fp;
417 struct socket *ns_so;
| 410 struct mbuf *nr_packet;
411};
412
413struct nfssvc_sock {
414 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
415 TAILQ_HEAD(, nfsuid) ns_uidlruhead;
416 struct file *ns_fp;
417 struct socket *ns_so;
|
418 struct mbuf *ns_nam;
| 418 struct sockaddr *ns_nam;
|
419 struct mbuf *ns_raw;
420 struct mbuf *ns_rawend;
421 STAILQ_HEAD(, nfsrv_rec) ns_rec;
422 struct mbuf *ns_frag;
423 int ns_flag;
424 int ns_solock;
425 int ns_cc;
426 int ns_reclen;
427 int ns_numuids;
428 u_long ns_sref;
429 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
430 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
431 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
432};
433
434/* Bits for "ns_flag" */
435#define SLP_VALID 0x01
436#define SLP_DOREC 0x02
437#define SLP_NEEDQ 0x04
438#define SLP_DISCONN 0x08
439#define SLP_GETSTREAM 0x10
440#define SLP_LASTFRAG 0x20
441#define SLP_ALLFLAGS 0xff
442
443extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead;
444extern int nfssvc_sockhead_flag;
445#define SLP_INIT 0x01
446#define SLP_WANTINIT 0x02
447
448/*
449 * One of these structures is allocated for each nfsd.
450 */
451struct nfsd {
452 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
453 int nfsd_flag; /* NFSD_ flags */
454 struct nfssvc_sock *nfsd_slp; /* Current socket */
455 int nfsd_authlen; /* Authenticator len */
456 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
457 int nfsd_verflen; /* and the Verifier */
458 u_char nfsd_verfstr[RPCVERF_MAXSIZ];
459 struct proc *nfsd_procp; /* Proc ptr */
460 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
461};
462
463/* Bits for "nfsd_flag" */
464#define NFSD_WAITING 0x01
465#define NFSD_REQINPROG 0x02
466#define NFSD_NEEDAUTH 0x04
467#define NFSD_AUTHFAIL 0x08
468
469/*
470 * This structure is used by the server for describing each request.
471 * Some fields are used only when write request gathering is performed.
472 */
473struct nfsrv_descript {
474 u_quad_t nd_time; /* Write deadline (usec) */
475 off_t nd_off; /* Start byte offset */
476 off_t nd_eoff; /* and end byte offset */
477 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
478 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
479 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
480 struct mbuf *nd_mrep; /* Request mbuf list */
481 struct mbuf *nd_md; /* Current dissect mbuf */
482 struct mbuf *nd_mreq; /* Reply mbuf list */
| 419 struct mbuf *ns_raw;
420 struct mbuf *ns_rawend;
421 STAILQ_HEAD(, nfsrv_rec) ns_rec;
422 struct mbuf *ns_frag;
423 int ns_flag;
424 int ns_solock;
425 int ns_cc;
426 int ns_reclen;
427 int ns_numuids;
428 u_long ns_sref;
429 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
430 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
431 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
432};
433
434/* Bits for "ns_flag" */
435#define SLP_VALID 0x01
436#define SLP_DOREC 0x02
437#define SLP_NEEDQ 0x04
438#define SLP_DISCONN 0x08
439#define SLP_GETSTREAM 0x10
440#define SLP_LASTFRAG 0x20
441#define SLP_ALLFLAGS 0xff
442
443extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead;
444extern int nfssvc_sockhead_flag;
445#define SLP_INIT 0x01
446#define SLP_WANTINIT 0x02
447
448/*
449 * One of these structures is allocated for each nfsd.
450 */
451struct nfsd {
452 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
453 int nfsd_flag; /* NFSD_ flags */
454 struct nfssvc_sock *nfsd_slp; /* Current socket */
455 int nfsd_authlen; /* Authenticator len */
456 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
457 int nfsd_verflen; /* and the Verifier */
458 u_char nfsd_verfstr[RPCVERF_MAXSIZ];
459 struct proc *nfsd_procp; /* Proc ptr */
460 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
461};
462
463/* Bits for "nfsd_flag" */
464#define NFSD_WAITING 0x01
465#define NFSD_REQINPROG 0x02
466#define NFSD_NEEDAUTH 0x04
467#define NFSD_AUTHFAIL 0x08
468
469/*
470 * This structure is used by the server for describing each request.
471 * Some fields are used only when write request gathering is performed.
472 */
473struct nfsrv_descript {
474 u_quad_t nd_time; /* Write deadline (usec) */
475 off_t nd_off; /* Start byte offset */
476 off_t nd_eoff; /* and end byte offset */
477 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
478 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
479 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
480 struct mbuf *nd_mrep; /* Request mbuf list */
481 struct mbuf *nd_md; /* Current dissect mbuf */
482 struct mbuf *nd_mreq; /* Reply mbuf list */
|
483 struct mbuf *nd_nam; /* and socket addr */
484 struct mbuf *nd_nam2; /* return socket addr */
| 483 struct sockaddr *nd_nam; /* and socket addr */
484 struct sockaddr *nd_nam2; /* return socket addr */
|
485 caddr_t nd_dpos; /* Current dissect pos */
486 u_int32_t nd_procnum; /* RPC # */
487 int nd_stable; /* storage type */
488 int nd_flag; /* nd_flag */
489 int nd_len; /* Length of this write */
490 int nd_repstat; /* Reply status */
491 u_long nd_retxid; /* Reply xid */
492 u_long nd_duration; /* Lease duration */
493 struct timeval nd_starttime; /* Time RPC initiated */
494 fhandle_t nd_fh; /* File handle */
495 struct ucred nd_cr; /* Credentials */
496};
497
498/* Bits for "nd_flag" */
499#define ND_READ LEASE_READ
500#define ND_WRITE LEASE_WRITE
501#define ND_CHECK 0x04
502#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK)
503#define ND_NFSV3 0x08
504#define ND_NQNFS 0x10
505#define ND_KERBNICK 0x20
506#define ND_KERBFULL 0x40
507#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
508
509extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
510extern int nfsd_head_flag;
511#define NFSD_CHECKSLP 0x01
512
513/*
514 * These macros compare nfsrv_descript structures.
515 */
516#define NFSW_CONTIG(o, n) \
517 ((o)->nd_eoff >= (n)->nd_off && \
518 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
519
520#define NFSW_SAMECRED(o, n) \
521 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
522 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
523 sizeof (struct ucred)))
524
525/*
526 * Defines for WebNFS
527 */
528
529#define WEBNFS_ESC_CHAR '%'
530#define WEBNFS_SPECCHAR_START 0x80
531
532#define WEBNFS_NATIVE_CHAR 0x80
533/*
534 * ..
535 * Possibly more here in the future.
536 */
537
538/*
539 * Macro for converting escape characters in WebNFS pathnames.
540 * Should really be in libkern.
541 */
542
543#define HEXTOC(c) \
544 ((c) >= 'a' ? ((c) - ('a' - 10)) : \
545 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
546#define HEXSTRTOI(p) \
547 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
548
549#ifdef NFS_DEBUG
550
551extern int nfs_debug;
552#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
553#define NFS_DEBUG_WG 2 /* server write gathering */
554#define NFS_DEBUG_RC 4 /* server request caching */
555
556#define NFS_DPF(cat, args) \
557 do { \
558 if (nfs_debug & NFS_DEBUG_##cat) printf args; \
559 } while (0)
560
561#else
562
563#define NFS_DPF(cat, args)
564
565#endif
566
567int nfs_init __P((struct vfsconf *vfsp));
568int nfs_reply __P((struct nfsreq *));
569int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
| 485 caddr_t nd_dpos; /* Current dissect pos */
486 u_int32_t nd_procnum; /* RPC # */
487 int nd_stable; /* storage type */
488 int nd_flag; /* nd_flag */
489 int nd_len; /* Length of this write */
490 int nd_repstat; /* Reply status */
491 u_long nd_retxid; /* Reply xid */
492 u_long nd_duration; /* Lease duration */
493 struct timeval nd_starttime; /* Time RPC initiated */
494 fhandle_t nd_fh; /* File handle */
495 struct ucred nd_cr; /* Credentials */
496};
497
498/* Bits for "nd_flag" */
499#define ND_READ LEASE_READ
500#define ND_WRITE LEASE_WRITE
501#define ND_CHECK 0x04
502#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK)
503#define ND_NFSV3 0x08
504#define ND_NQNFS 0x10
505#define ND_KERBNICK 0x20
506#define ND_KERBFULL 0x40
507#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
508
509extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
510extern int nfsd_head_flag;
511#define NFSD_CHECKSLP 0x01
512
513/*
514 * These macros compare nfsrv_descript structures.
515 */
516#define NFSW_CONTIG(o, n) \
517 ((o)->nd_eoff >= (n)->nd_off && \
518 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
519
520#define NFSW_SAMECRED(o, n) \
521 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
522 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
523 sizeof (struct ucred)))
524
525/*
526 * Defines for WebNFS
527 */
528
529#define WEBNFS_ESC_CHAR '%'
530#define WEBNFS_SPECCHAR_START 0x80
531
532#define WEBNFS_NATIVE_CHAR 0x80
533/*
534 * ..
535 * Possibly more here in the future.
536 */
537
538/*
539 * Macro for converting escape characters in WebNFS pathnames.
540 * Should really be in libkern.
541 */
542
543#define HEXTOC(c) \
544 ((c) >= 'a' ? ((c) - ('a' - 10)) : \
545 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
546#define HEXSTRTOI(p) \
547 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
548
549#ifdef NFS_DEBUG
550
551extern int nfs_debug;
552#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
553#define NFS_DEBUG_WG 2 /* server write gathering */
554#define NFS_DEBUG_RC 4 /* server request caching */
555
556#define NFS_DPF(cat, args) \
557 do { \
558 if (nfs_debug & NFS_DEBUG_##cat) printf args; \
559 } while (0)
560
561#else
562
563#define NFS_DPF(cat, args)
564
565#endif
566
567int nfs_init __P((struct vfsconf *vfsp));
568int nfs_reply __P((struct nfsreq *));
569int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
|
570int nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *));
571int nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *));
572int nfs_sndlock __P((int *,struct nfsreq *));
| 570int nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *,
571 struct nfsreq *));
572int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *,
573 int, int, u_quad_t *, struct mbuf **, struct mbuf **,
574 caddr_t *));
575int nfs_sndlock __P((int *, struct nfsreq *));
|
573void nfs_sndunlock __P((int *flagp));
| 576void nfs_sndunlock __P((int *flagp));
|
574int nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
575int nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int));
576int nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *));
577int nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *));
578int nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *));
579int nfs_asyncio __P((struct buf *,struct ucred *));
580int nfs_doio __P((struct buf *,struct ucred *,struct proc *));
581int nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *));
582int nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *));
583int nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *));
584int nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
585void nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *));
586void nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **));
587void nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **));
588int netaddr_match __P((int,union nethostaddr *,struct mbuf *));
589int nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *));
590int nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *));
591int nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int,int));
592void nfsm_adj __P((struct mbuf *,int,int));
593int nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *));
| 577int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
578int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *,
579 int));
580int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *));
581int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *,
582 int *));
583int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *));
584int nfs_asyncio __P((struct buf *, struct ucred *));
585int nfs_doio __P((struct buf *, struct ucred *, struct proc *));
586int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *));
587int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *));
588int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *));
589int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
590void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *,
591 struct nfs_fattr *));
592void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int,
593 struct vattr *, struct mbuf **, char **));
594void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *,
595 struct mbuf **, char **));
596int netaddr_match __P((int, union nethostaddr *, struct sockaddr *));
597int nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *,
598 struct ucred *, struct mbuf **, struct mbuf **,
599 caddr_t *));
600int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *,
601 struct vattr *));
602int nfs_namei __P((struct nameidata *, fhandle_t *, int,
603 struct nfssvc_sock *, struct sockaddr *, struct mbuf **,
604 caddr_t *, struct vnode **, struct proc *, int, int));
605void nfsm_adj __P((struct mbuf *, int, int));
606int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *));
|
594void nfsrv_initcache __P((void));
| 607void nfsrv_initcache __P((void));
|
595int nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T));
596int nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int));
597int nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *));
598int nfs_adv __P((struct mbuf **,caddr_t *,int,int));
| 608int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *,
609 char **, int *, char *, int *, NFSKERBKEY_T));
610int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **,
611 int *, char *, int));
612int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int,
613 NFSKERBKEY_T, struct mbuf **, char **,
614 struct mbuf *));
615int nfs_adv __P((struct mbuf **, caddr_t *, int, int));
|
599void nfs_nhinit __P((void));
600void nfs_timer __P((void*));
| 616void nfs_nhinit __P((void));
617void nfs_timer __P((void*));
|
601u_long nfs_hash __P((nfsfh_t *,int));
602int nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **));
603int nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **));
604void nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *));
| 618u_long nfs_hash __P((nfsfh_t *, int));
619int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *,
620 struct nfsrv_descript **));
621int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *,
622 struct mbuf **));
623void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *));
|
605void nfsrv_cleancache __P((void));
| 624void nfsrv_cleancache __P((void));
|
606int nfs_connect __P((struct nfsmount *,struct nfsreq *));
| 625int nfs_connect __P((struct nfsmount *, struct nfsreq *));
|
607void nfs_disconnect __P((struct nfsmount *));
| 626void nfs_disconnect __P((struct nfsmount *));
|
608int nfs_getattrcache __P((struct vnode *,struct vattr *));
609int nfsm_strtmbuf __P((struct mbuf **,char **,char *,long));
610int nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *, int getpages));
611int nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *));
| 627int nfs_getattrcache __P((struct vnode *, struct vattr *));
628int nfsm_strtmbuf __P((struct mbuf **, char **, char *, long));
629int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *,
630 int));
631int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *));
|
612void nfsrv_init __P((int));
613void nfs_clearcommit __P((struct mount *));
614int nfsrv_errmap __P((struct nfsrv_descript *, int));
| 632void nfsrv_init __P((int));
633void nfs_clearcommit __P((struct mount *));
634int nfsrv_errmap __P((struct nfsrv_descript *, int));
|
615void nfsrvw_sort __P((gid_t [],int));
616void nfsrv_setcred __P((struct ucred *,struct ucred *));
617int nfs_writebp __P((struct buf *,int));
618int nfsrv_object_create __P(( struct vnode * ));
| 635void nfsrvw_sort __P((gid_t *, int));
636void nfsrv_setcred __P((struct ucred *, struct ucred *));
637int nfs_writebp __P((struct buf *, int));
638int nfsrv_object_create __P((struct vnode *));
|
619void nfsrv_wakenfsd __P((struct nfssvc_sock *slp));
620int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
621 struct proc *, struct mbuf **));
622int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
623 struct proc *p));
624
| 639void nfsrv_wakenfsd __P((struct nfssvc_sock *slp));
640int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
641 struct proc *, struct mbuf **));
642int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
643 struct proc *p));
644
|
625int nfsrv3_access __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
| 645int nfsrv3_access __P((struct nfsrv_descript *nfsd,
646 struct nfssvc_sock *slp,
|
626 struct proc *procp, struct mbuf **mrq));
627int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
628 struct proc *procp, struct mbuf **mrq));
629int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
630 struct proc *procp, struct mbuf **mrq));
| 647 struct proc *procp, struct mbuf **mrq));
648int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
649 struct proc *procp, struct mbuf **mrq));
650int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
651 struct proc *procp, struct mbuf **mrq));
|
631int nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **,
632 struct ucred *,struct nfssvc_sock *,struct mbuf *,
633 int *,int,int));
| 652int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *,
653 struct nfssvc_sock *, struct sockaddr *, int *,
654 int, int));
|
634int nfsrv_setpublicfs __P((struct mount *, struct netexport *,
635 struct export_args *));
636int nfs_ispublicfh __P((fhandle_t *));
637int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
638 struct proc *procp, struct mbuf **mrq));
639int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
640 struct proc *procp, struct mbuf **mrq));
641int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
642 struct proc *procp, struct mbuf **mrq));
643int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
644 struct proc *procp, struct mbuf **mrq));
645int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
646 struct proc *procp, struct mbuf **mrq));
647int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
648 struct proc *procp, struct mbuf **mrq));
649int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
650 struct proc *procp, struct mbuf **mrq));
651int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
652 struct proc *procp, struct mbuf **mrq));
653int nfsrv_pathconf __P((struct nfsrv_descript *nfsd,
654 struct nfssvc_sock *slp, struct proc *procp,
655 struct mbuf **mrq));
656int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
657 struct proc *procp, struct mbuf **mrq));
| 655int nfsrv_setpublicfs __P((struct mount *, struct netexport *,
656 struct export_args *));
657int nfs_ispublicfh __P((fhandle_t *));
658int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
659 struct proc *procp, struct mbuf **mrq));
660int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
661 struct proc *procp, struct mbuf **mrq));
662int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
663 struct proc *procp, struct mbuf **mrq));
664int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
665 struct proc *procp, struct mbuf **mrq));
666int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
667 struct proc *procp, struct mbuf **mrq));
668int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
669 struct proc *procp, struct mbuf **mrq));
670int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
671 struct proc *procp, struct mbuf **mrq));
672int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
673 struct proc *procp, struct mbuf **mrq));
674int nfsrv_pathconf __P((struct nfsrv_descript *nfsd,
675 struct nfssvc_sock *slp, struct proc *procp,
676 struct mbuf **mrq));
677int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
678 struct proc *procp, struct mbuf **mrq));
|
658int nfsrv_readdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
| 679int nfsrv_readdir __P((struct nfsrv_descript *nfsd,
680 struct nfssvc_sock *slp,
|
659 struct proc *procp, struct mbuf **mrq));
660int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd,
661 struct nfssvc_sock *slp, struct proc *procp,
662 struct mbuf **mrq));
663int nfsrv_readlink __P((struct nfsrv_descript *nfsd,
664 struct nfssvc_sock *slp, struct proc *procp,
665 struct mbuf **mrq));
666int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
667 struct proc *procp, struct mbuf **mrq));
668int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
669 struct proc *procp, struct mbuf **mrq));
670int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
671 struct proc *procp, struct mbuf **mrq));
| 681 struct proc *procp, struct mbuf **mrq));
682int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd,
683 struct nfssvc_sock *slp, struct proc *procp,
684 struct mbuf **mrq));
685int nfsrv_readlink __P((struct nfsrv_descript *nfsd,
686 struct nfssvc_sock *slp, struct proc *procp,
687 struct mbuf **mrq));
688int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
689 struct proc *procp, struct mbuf **mrq));
690int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
691 struct proc *procp, struct mbuf **mrq));
692int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
693 struct proc *procp, struct mbuf **mrq));
|
672int nfsrv_setattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
| 694int nfsrv_setattr __P((struct nfsrv_descript *nfsd,
695 struct nfssvc_sock *slp,
|
673 struct proc *procp, struct mbuf **mrq));
| 696 struct proc *procp, struct mbuf **mrq));
|
674int nfsrv_statfs __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
| 697int nfsrv_statfs __P((struct nfsrv_descript *nfsd,
698 struct nfssvc_sock *slp,
|
675 struct proc *procp, struct mbuf **mrq));
| 699 struct proc *procp, struct mbuf **mrq));
|
676int nfsrv_symlink __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
| 700int nfsrv_symlink __P((struct nfsrv_descript *nfsd,
701 struct nfssvc_sock *slp,
|
677 struct proc *procp, struct mbuf **mrq));
678int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
679 struct proc *procp, struct mbuf **mrq));
680void nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag));
681void nfsrv_slpderef __P((struct nfssvc_sock *slp));
682#endif /* KERNEL */
683
684#endif
| 702 struct proc *procp, struct mbuf **mrq));
703int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
704 struct proc *procp, struct mbuf **mrq));
705void nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag));
706void nfsrv_slpderef __P((struct nfssvc_sock *slp));
707#endif /* KERNEL */
708
709#endif
|