1/*	$NetBSD: nfsm_subs.h,v 1.50 2007/03/04 06:03:38 christos Exp $	*/
2
3/*
4 * Copyright (c) 1989, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Rick Macklem at The University of Guelph.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	@(#)nfsm_subs.h	8.2 (Berkeley) 3/30/95
35 */
36
37
38#ifndef _NFS_NFSM_SUBS_H_
39#define _NFS_NFSM_SUBS_H_
40
41
42/*
43 * These macros do strange and peculiar things to mbuf chains for
44 * the assistance of the nfs code. To attempt to use them for any
45 * other purpose will be dangerous. (they make weird assumptions)
46 */
47
48/*
49 * First define what the actual subs. return
50 */
51
52#define	M_HASCL(m)	((m)->m_flags & M_EXT)
53#define	NFSMADV(m, s)	(m)->m_data += (s)
54#define	NFSMSIZ(m)	((M_HASCL(m)) ? (m)->m_ext.ext_size : \
55				(((m)->m_flags & M_PKTHDR) ? MHLEN : MLEN))
56
57/*
58 * Now for the macros that do the simple stuff and call the functions
59 * for the hard stuff.
60 * These macros use several vars. declared in nfsm_reqhead and these
61 * vars. must not be used elsewhere unless you are careful not to corrupt
62 * them. The vars. starting with pN and tN (N=1,2,3,..) are temporaries
63 * that may be used so long as the value is not expected to retained
64 * after a macro.
65 * I know, this is kind of dorkey, but it makes the actual op functions
66 * fairly clean and deals with the mess caused by the xdr discriminating
67 * unions.
68 */
69
70#define	nfsm_build(a,c,s) \
71		{ if ((s) > M_TRAILINGSPACE(mb)) { \
72			struct mbuf *mb2; \
73			mb2 = m_get(M_WAIT, MT_DATA); \
74			MCLAIM(mb2, &nfs_mowner); \
75			if ((s) > MLEN) \
76				panic("build > MLEN"); \
77			mb->m_next = mb2; \
78			mb = mb2; \
79			mb->m_len = 0; \
80			bpos = mtod(mb, char *); \
81		} \
82		(a) = (c)(bpos); \
83		mb->m_len += (s); \
84		bpos += (s); }
85
86#define nfsm_aligned(p) ALIGNED_POINTER(p,u_int32_t)
87
88#define	nfsm_dissect(a, c, s) \
89		{ t1 = mtod(md, char *) + md->m_len-dpos; \
90		if (t1 >= (s) && nfsm_aligned(dpos)) { \
91			(a) = (c)(dpos); \
92			dpos += (s); \
93		} else if ((t1 = nfsm_disct(&md, &dpos, (s), t1, &cp2)) != 0){ \
94			error = t1; \
95			m_freem(mrep); \
96			goto nfsmout; \
97		} else { \
98			(a) = (c)cp2; \
99		} }
100
101#define nfsm_fhtom(n, v3) \
102	      { if (v3) { \
103			t2 = nfsm_rndup((n)->n_fhsize) + NFSX_UNSIGNED; \
104			if (t2 <= M_TRAILINGSPACE(mb)) { \
105				nfsm_build(tl, u_int32_t *, t2); \
106				*tl++ = txdr_unsigned((n)->n_fhsize); \
107				*(tl + ((t2>>2) - 2)) = 0; \
108				memcpy(tl,(n)->n_fhp, (n)->n_fhsize); \
109			} else if ((t2 = nfsm_strtmbuf(&mb, &bpos, \
110				(void *)(n)->n_fhp, (n)->n_fhsize)) != 0) { \
111				error = t2; \
112				m_freem(mreq); \
113				goto nfsmout; \
114			} \
115		} else { \
116			nfsm_build(cp, void *, NFSX_V2FH); \
117			memcpy(cp, (n)->n_fhp, NFSX_V2FH); \
118		} }
119
120#define nfsm_srvfhtom(f, v3) \
121		{ if (v3) { \
122			nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED + \
123			    NFSRVFH_SIZE(f)); \
124			*tl++ = txdr_unsigned(NFSRVFH_SIZE(f)); \
125			memcpy(tl, NFSRVFH_DATA(f), NFSRVFH_SIZE(f)); \
126		} else { \
127			KASSERT(NFSRVFH_SIZE(f) == NFSX_V2FH); \
128			nfsm_build(cp, void *, NFSX_V2FH); \
129			memcpy(cp, NFSRVFH_DATA(f), NFSX_V2FH); \
130		} }
131
132#define nfsm_srvpostop_fh(f) \
133		{ nfsm_build(tl, u_int32_t *, \
134		    2 * NFSX_UNSIGNED + NFSRVFH_SIZE(f)); \
135		*tl++ = nfs_true; \
136		*tl++ = txdr_unsigned(NFSRVFH_SIZE(f)); \
137		memcpy(tl, NFSRVFH_DATA(f), NFSRVFH_SIZE(f)); \
138		}
139
140/*
141 * nfsm_mtofh: dissect a "resulted obj" part of create-like operations
142 * like mkdir.
143 *
144 * for nfsv3, dissect post_op_fh3 and following post_op_attr.
145 * for nfsv2, dissect fhandle and following fattr.
146 *
147 * d: (IN) the vnode of the parent directry.
148 * v: (OUT) the corresponding vnode (we allocate one if needed)
149 * v3: (IN) true for nfsv3.
150 * f: (OUT) true if we got valid filehandle.  always true for nfsv2.
151 */
152
153#define nfsm_mtofh(d, v, v3, f) \
154		{ struct nfsnode *ttnp; nfsfh_t *ttfhp; int ttfhsize; \
155		int hasattr = 0; \
156		if (v3) { \
157			nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
158			(f) = fxdr_unsigned(int, *tl); \
159		} else { \
160			(f) = 1; \
161			hasattr = 1; \
162		} \
163		if (f) { \
164			nfsm_getfh(ttfhp, ttfhsize, (v3)); \
165			if ((t1 = nfs_nget((d)->v_mount, ttfhp, ttfhsize, \
166				&ttnp)) != 0) { \
167				error = t1; \
168				m_freem(mrep); \
169				goto nfsmout; \
170			} \
171			(v) = NFSTOV(ttnp); \
172		} \
173		if (v3) { \
174			nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
175			if (f) \
176				hasattr = fxdr_unsigned(int, *tl); \
177			else if (fxdr_unsigned(int, *tl)) \
178				nfsm_adv(NFSX_V3FATTR); \
179		} \
180		if (f && hasattr) \
181			nfsm_loadattr((v), (struct vattr *)0, 0); \
182		}
183
184/*
185 * nfsm_getfh: dissect a filehandle.
186 *
187 * f: (OUT) a filehandle.
188 * s: (OUT) size of the filehandle in bytes.
189 * v3: (IN) true if nfsv3.
190 */
191
192#define nfsm_getfh(f, s, v3) \
193		{ if (v3) { \
194			nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
195			if (((s) = fxdr_unsigned(int, *tl)) <= 0 || \
196				(s) > NFSX_V3FHMAX) { \
197				m_freem(mrep); \
198				error = EBADRPC; \
199				goto nfsmout; \
200			} \
201		} else \
202			(s) = NFSX_V2FH; \
203		nfsm_dissect((f), nfsfh_t *, nfsm_rndup(s)); }
204
205#define	nfsm_loadattr(v, a, flags) \
206		{ struct vnode *ttvp = (v); \
207		if ((t1 = nfsm_loadattrcache(&ttvp, &md, &dpos, (a), (flags))) \
208		    != 0) { \
209			error = t1; \
210			m_freem(mrep); \
211			goto nfsmout; \
212		} \
213		(v) = ttvp; }
214
215/*
216 * nfsm_postop_attr: process nfsv3 post_op_attr
217 *
218 * dissect post_op_attr.  if we got a one,
219 * call nfsm_loadattrcache to update attribute cache.
220 *
221 * v: (IN/OUT) the corresponding vnode
222 * f: (OUT) true if we got valid attribute
223 * flags: (IN) flags for nfsm_loadattrcache
224 */
225
226#define	nfsm_postop_attr(v, f, flags) \
227		{ struct vnode *ttvp = (v); \
228		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
229		if (((f) = fxdr_unsigned(int, *tl)) != 0) { \
230			if ((t1 = nfsm_loadattrcache(&ttvp, &md, &dpos, \
231				(struct vattr *)0, (flags))) != 0) { \
232				error = t1; \
233				(f) = 0; \
234				m_freem(mrep); \
235				goto nfsmout; \
236			} \
237			(v) = ttvp; \
238		} }
239
240/*
241 * nfsm_wcc_data: process nfsv3 wcc_data
242 *
243 * dissect pre_op_attr and then let nfsm_postop_attr dissect post_op_attr.
244 *
245 * v: (IN/OUT) the corresponding vnode
246 * f: (IN/OUT)
247 *	NFSV3_WCCRATTR	return true if we got valid post_op_attr.
248 *	NFSV3_WCCCHK	return true if pre_op_attr's mtime is the same
249 *			as our n_mtime.  (ie. our cache isn't stale.)
250 * flags: (IN) flags for nfsm_loadattrcache
251 * docheck: (IN) true if timestamp change is expected
252 */
253
254/* Used as (f) for nfsm_wcc_data() */
255#define NFSV3_WCCRATTR	0
256#define NFSV3_WCCCHK	1
257
258#define	nfsm_wcc_data(v, f, flags, docheck) \
259		{ int ttattrf, ttretf = 0, renewctime = 0, renewnctime = 0; \
260		struct timespec ctime, mtime; \
261		struct nfsnode *nfsp = VTONFS(v); \
262		bool haspreopattr = false; \
263		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
264		if (*tl == nfs_true) { \
265			haspreopattr = true; \
266			nfsm_dissect(tl, u_int32_t *, 6 * NFSX_UNSIGNED); \
267			fxdr_nfsv3time(tl + 2, &mtime); \
268			fxdr_nfsv3time(tl + 4, &ctime); \
269			if (nfsp->n_ctime == ctime.tv_sec) \
270				renewctime = 1; \
271			if ((v)->v_type == VDIR) { \
272				if (timespeccmp(&nfsp->n_nctime, &ctime, ==)) \
273					renewnctime = 1; \
274			} \
275			if (f) { \
276				ttretf = timespeccmp(&nfsp->n_mtime, &mtime, ==);\
277			} \
278		} \
279		nfsm_postop_attr((v), ttattrf, (flags)); \
280		nfsp = VTONFS(v); \
281		if (ttattrf) { \
282			if (haspreopattr && \
283			    nfs_check_wccdata(nfsp, &ctime, &mtime, (docheck))) \
284				renewctime = renewnctime = ttretf = 0; \
285			if (renewctime) \
286				nfsp->n_ctime = nfsp->n_vattr->va_ctime.tv_sec; \
287			if (renewnctime) \
288				nfsp->n_nctime = nfsp->n_vattr->va_ctime; \
289		} \
290		if (f) { \
291			(f) = ttretf; \
292		} else { \
293			(f) = ttattrf; \
294		} }
295
296/* If full is true, set all fields, otherwise just set mode and time fields */
297#define nfsm_v3attrbuild(a, full)						\
298		{ if ((a)->va_mode != (mode_t)VNOVAL) {				\
299			nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED);		\
300			*tl++ = nfs_true;					\
301			*tl = txdr_unsigned((a)->va_mode);			\
302		} else {							\
303			nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED);		\
304			*tl = nfs_false;					\
305		}								\
306		if ((full) && (a)->va_uid != (uid_t)VNOVAL) {			\
307			nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED);		\
308			*tl++ = nfs_true;					\
309			*tl = txdr_unsigned((a)->va_uid);			\
310		} else {							\
311			nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED);		\
312			*tl = nfs_false;					\
313		}								\
314		if ((full) && (a)->va_gid != (gid_t)VNOVAL) {			\
315			nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED);		\
316			*tl++ = nfs_true;					\
317			*tl = txdr_unsigned((a)->va_gid);			\
318		} else {							\
319			nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED);		\
320			*tl = nfs_false;					\
321		}								\
322		if ((full) && (a)->va_size != VNOVAL) {				\
323			nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED);		\
324			*tl++ = nfs_true;					\
325			txdr_hyper((a)->va_size, tl);				\
326		} else {							\
327			nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED);		\
328			*tl = nfs_false;					\
329		}								\
330		if ((a)->va_atime.tv_sec != VNOVAL) {				\
331			if ((a)->va_atime.tv_sec != time_second) {		\
332				nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED);	\
333				*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);	\
334				txdr_nfsv3time(&(a)->va_atime, tl);		\
335			} else {						\
336				nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED);	\
337				*tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER);	\
338			}							\
339		} else {							\
340			nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED);		\
341			*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE);		\
342		}								\
343		if ((a)->va_mtime.tv_sec != VNOVAL) {				\
344			if ((a)->va_mtime.tv_sec != time_second) {		\
345				nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED);	\
346				*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);	\
347				txdr_nfsv3time(&(a)->va_mtime, tl);		\
348			} else {						\
349				nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED);	\
350				*tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER);	\
351			}							\
352		} else {							\
353			nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED);		\
354			*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE);		\
355		}								\
356		}
357
358
359#define	nfsm_strsiz(s,m) \
360		{ nfsm_dissect(tl,uint32_t *,NFSX_UNSIGNED); \
361		if (((s) = fxdr_unsigned(uint32_t,*tl)) > (m)) { \
362			m_freem(mrep); \
363			error = EBADRPC; \
364			goto nfsmout; \
365		} }
366
367#define	nfsm_srvnamesiz(s) \
368		{ nfsm_dissect(tl,uint32_t *,NFSX_UNSIGNED); \
369		if (((s) = fxdr_unsigned(uint32_t,*tl)) > NFS_MAXNAMLEN) \
370			error = NFSERR_NAMETOL; \
371		if (error) \
372			nfsm_reply(0); \
373		}
374
375#define nfsm_mtouio(p,s) \
376		if ((s) > 0 && \
377		   (t1 = nfsm_mbuftouio(&md,(p),(s),&dpos)) != 0) { \
378			error = t1; \
379			m_freem(mrep); \
380			goto nfsmout; \
381		}
382
383#define nfsm_uiotom(p,s) \
384		if ((t1 = nfsm_uiotombuf((p),&mb,(s),&bpos)) != 0) { \
385			error = t1; \
386			m_freem(mreq); \
387			goto nfsmout; \
388		}
389
390#define	nfsm_reqhead(n,a,s) \
391		mb = mreq = nfsm_reqh((n),(a),(s),&bpos)
392
393#define nfsm_reqdone	m_freem(mrep); \
394		nfsmout:
395
396#define nfsm_rndup(a)	(((a)+3)&(~0x3))
397#define nfsm_padlen(a)	(nfsm_rndup(a) - (a))
398
399#define	nfsm_request1(v, t, p, c, rexmitp)	\
400		if ((error = nfs_request((v), mreq, (t), (p), \
401		   (c), &mrep, &md, &dpos, (rexmitp))) != 0) { \
402			if (error & NFSERR_RETERR) \
403				error &= ~NFSERR_RETERR; \
404			else \
405				goto nfsmout; \
406		}
407
408#define	nfsm_request(v, t, p, c)	nfsm_request1((v), (t), (p), (c), NULL)
409
410#define	nfsm_strtom(a,s,m) \
411		if ((s) > (m)) { \
412			m_freem(mreq); \
413			error = ENAMETOOLONG; \
414			goto nfsmout; \
415		} \
416		t2 = nfsm_rndup(s)+NFSX_UNSIGNED; \
417		if (t2 <= M_TRAILINGSPACE(mb)) { \
418			nfsm_build(tl,u_int32_t *,t2); \
419			*tl++ = txdr_unsigned(s); \
420			*(tl+((t2>>2)-2)) = 0; \
421			memcpy(tl, (const char *)(a), (s)); \
422		} else if ((t2 = nfsm_strtmbuf(&mb, &bpos, (a), (s))) != 0) { \
423			error = t2; \
424			m_freem(mreq); \
425			goto nfsmout; \
426		}
427
428#define	nfsm_srvdone \
429		nfsmout: \
430		return(error)
431
432#define	nfsm_reply(s) \
433		{ \
434		nfsd->nd_repstat = error; \
435		if (error && !(nfsd->nd_flag & ND_NFSV3)) \
436		   (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
437			mrq, &mb, &bpos); \
438		else \
439		   (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
440			mrq, &mb, &bpos); \
441		if (mrep != NULL) { \
442			m_freem(mrep); \
443			mrep = NULL; \
444		} \
445		mreq = *mrq; \
446		if (error && (!(nfsd->nd_flag & ND_NFSV3) || \
447			error == EBADRPC)) {\
448			error = 0; \
449			goto nfsmout; \
450			} \
451		}
452
453#define	nfsm_writereply(s, v3) \
454		{ \
455		nfsd->nd_repstat = error; \
456		if (error && !(v3)) \
457		   (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
458			&mreq, &mb, &bpos); \
459		else \
460		   (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
461			&mreq, &mb, &bpos); \
462		}
463
464#define	nfsm_adv(s) \
465		{ t1 = mtod(md, char *) + md->m_len - dpos; \
466		if (t1 >= (s)) { \
467			dpos += (s); \
468		} else if ((t1 = nfs_adv(&md, &dpos, (s), t1)) != 0) { \
469			error = t1; \
470			m_freem(mrep); \
471			goto nfsmout; \
472		} }
473
474#define nfsm_srvmtofh(nsfh) \
475	{ int fhlen = NFSX_V3FH; \
476		if (nfsd->nd_flag & ND_NFSV3) { \
477			nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
478			fhlen = fxdr_unsigned(int, *tl); \
479			if (fhlen > NFSX_V3FHMAX || \
480			    (fhlen < FHANDLE_SIZE_MIN && fhlen > 0)) { \
481				error = EBADRPC; \
482				nfsm_reply(0); \
483			} \
484		} else { \
485			fhlen = NFSX_V2FH; \
486		} \
487		(nsfh)->nsfh_size = fhlen; \
488		if (fhlen != 0) { \
489			nfsm_dissect(tl, u_int32_t *, fhlen); \
490			memcpy(NFSRVFH_DATA(nsfh), tl, fhlen); \
491		} \
492	}
493
494#define	nfsm_clget \
495		if (bp >= be) { \
496			if (mp == mb) \
497				mp->m_len += bp-bpos; \
498			mp = m_get(M_WAIT, MT_DATA); \
499			MCLAIM(mp, &nfs_mowner); \
500			m_clget(mp, M_WAIT); \
501			mp->m_len = NFSMSIZ(mp); \
502			mp2->m_next = mp; \
503			mp2 = mp; \
504			bp = mtod(mp, char *); \
505			be = bp+mp->m_len; \
506		} \
507		tl = (u_int32_t *)bp
508
509#define	nfsm_srvfillattr(a, f) \
510		nfsm_srvfattr(nfsd, (a), (f))
511
512#define nfsm_srvwcc_data(br, b, ar, a) \
513		nfsm_srvwcc(nfsd, (br), (b), (ar), (a), &mb, &bpos)
514
515#define nfsm_srvpostop_attr(r, a) \
516		nfsm_srvpostopattr(nfsd, (r), (a), &mb, &bpos)
517
518#define nfsm_srvsattr(a) \
519		{ \
520		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
521		if (*tl == nfs_true) { \
522			nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
523			(a)->va_mode = nfstov_mode(*tl); \
524		} \
525		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
526		if (*tl == nfs_true) { \
527			nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
528			(a)->va_uid = fxdr_unsigned(uid_t, *tl); \
529		} \
530		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
531		if (*tl == nfs_true) { \
532			nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
533			(a)->va_gid = fxdr_unsigned(gid_t, *tl); \
534		} \
535		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
536		if (*tl == nfs_true) { \
537			nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
538			(a)->va_size = fxdr_hyper(tl); \
539		} \
540		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
541		switch (fxdr_unsigned(int, *tl)) { \
542		case NFSV3SATTRTIME_TOCLIENT: \
543			nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
544			fxdr_nfsv3time(tl, &(a)->va_atime); \
545			break; \
546		case NFSV3SATTRTIME_TOSERVER: \
547			getnanotime(&(a)->va_atime); \
548			(a)->va_vaflags |= VA_UTIMES_NULL; \
549			break; \
550		}; \
551		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
552		switch (fxdr_unsigned(int, *tl)) { \
553		case NFSV3SATTRTIME_TOCLIENT: \
554			nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
555			fxdr_nfsv3time(tl, &(a)->va_mtime); \
556			(a)->va_vaflags &= ~VA_UTIMES_NULL; \
557			break; \
558		case NFSV3SATTRTIME_TOSERVER: \
559			getnanotime(&(a)->va_mtime); \
560			(a)->va_vaflags |= VA_UTIMES_NULL; \
561			break; \
562		}; }
563
564#endif
565