Annotation of src/sys/netinet/raw_ip.c, Revision 1.46.2.2
1.46.2.2! bouyer 1: /* $NetBSD: raw_ip.c,v 1.46.2.1 2000/11/20 18:10:34 bouyer Exp $ */
1.43 itojun 2:
3: /*
4: * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. Neither the name of the project nor the names of its contributors
16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: */
1.14 cgd 31:
1.1 cgd 32: /*
1.13 mycroft 33: * Copyright (c) 1982, 1986, 1988, 1993
34: * The Regents of the University of California. All rights reserved.
1.1 cgd 35: *
36: * Redistribution and use in source and binary forms, with or without
37: * modification, are permitted provided that the following conditions
38: * are met:
39: * 1. Redistributions of source code must retain the above copyright
40: * notice, this list of conditions and the following disclaimer.
41: * 2. Redistributions in binary form must reproduce the above copyright
42: * notice, this list of conditions and the following disclaimer in the
43: * documentation and/or other materials provided with the distribution.
44: * 3. All advertising materials mentioning features or use of this software
45: * must display the following acknowledgement:
46: * This product includes software developed by the University of
47: * California, Berkeley and its contributors.
48: * 4. Neither the name of the University nor the names of its contributors
49: * may be used to endorse or promote products derived from this software
50: * without specific prior written permission.
51: *
52: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62: * SUCH DAMAGE.
63: *
1.39 thorpej 64: * @(#)raw_ip.c 8.7 (Berkeley) 5/15/95
1.1 cgd 65: */
1.40 scottr 66:
1.45 thorpej 67: #include "opt_ipsec.h"
1.40 scottr 68: #include "opt_mrouting.h"
1.1 cgd 69:
1.7 mycroft 70: #include <sys/param.h>
71: #include <sys/malloc.h>
72: #include <sys/mbuf.h>
73: #include <sys/socket.h>
74: #include <sys/protosw.h>
75: #include <sys/socketvar.h>
76: #include <sys/errno.h>
1.13 mycroft 77: #include <sys/systm.h>
1.26 mycroft 78: #include <sys/proc.h>
1.1 cgd 79:
1.7 mycroft 80: #include <net/if.h>
81: #include <net/route.h>
1.1 cgd 82:
1.7 mycroft 83: #include <netinet/in.h>
84: #include <netinet/in_systm.h>
85: #include <netinet/ip.h>
86: #include <netinet/ip_var.h>
1.13 mycroft 87: #include <netinet/ip_mroute.h>
1.44 darrenr 88: #include <netinet/ip_icmp.h>
1.7 mycroft 89: #include <netinet/in_pcb.h>
1.24 christos 90: #include <netinet/in_var.h>
91:
92: #include <machine/stdarg.h>
1.13 mycroft 93:
1.43 itojun 94: #ifdef IPSEC
95: #include <netinet6/ipsec.h>
96: #endif /*IPSEC*/
97:
1.20 mycroft 98: struct inpcbtable rawcbtable;
1.30 pk 99:
100: int rip_bind __P((struct inpcb *, struct mbuf *));
101: int rip_connect __P((struct inpcb *, struct mbuf *));
102: void rip_disconnect __P((struct inpcb *));
1.13 mycroft 103:
104: /*
105: * Nominal space allocated to a raw ip socket.
106: */
107: #define RIPSNDQ 8192
108: #define RIPRCVQ 8192
1.1 cgd 109:
110: /*
111: * Raw interface to IP protocol.
112: */
1.13 mycroft 113:
114: /*
115: * Initialize raw connection block q.
116: */
117: void
118: rip_init()
119: {
120:
1.33 mycroft 121: in_pcbinit(&rawcbtable, 1, 1);
1.13 mycroft 122: }
123:
1.43 itojun 124: static struct sockaddr_in ripsrc = { sizeof(ripsrc), AF_INET };
125:
1.1 cgd 126: /*
127: * Setup generic address and protocol structures
128: * for raw_input routine, then pass them along with
129: * mbuf chain.
130: */
1.9 mycroft 131: void
1.24 christos 132: #if __STDC__
133: rip_input(struct mbuf *m, ...)
134: #else
135: rip_input(m, va_alist)
1.1 cgd 136: struct mbuf *m;
1.24 christos 137: va_dcl
138: #endif
1.1 cgd 139: {
1.43 itojun 140: int off, proto;
1.46.2.1 bouyer 141: struct ip *ip = mtod(m, struct ip *);
142: struct inpcb *inp;
1.36 thorpej 143: struct inpcb *last = 0;
144: struct mbuf *opts = 0;
1.32 mycroft 145: struct sockaddr_in ripsrc;
1.43 itojun 146: va_list ap;
147:
148: va_start(ap, m);
149: off = va_arg(ap, int);
150: proto = va_arg(ap, int);
151: va_end(ap);
1.1 cgd 152:
1.32 mycroft 153: ripsrc.sin_family = AF_INET;
154: ripsrc.sin_len = sizeof(struct sockaddr_in);
1.1 cgd 155: ripsrc.sin_addr = ip->ip_src;
1.34 mycroft 156: ripsrc.sin_port = 0;
157: bzero((caddr_t)ripsrc.sin_zero, sizeof(ripsrc.sin_zero));
1.42 thorpej 158:
159: /*
160: * XXX Compatibility: programs using raw IP expect ip_len
161: * XXX to have the header length subtracted.
162: */
163: ip->ip_len -= ip->ip_hl << 2;
1.32 mycroft 164:
1.21 cgd 165: for (inp = rawcbtable.inpt_queue.cqh_first;
166: inp != (struct inpcb *)&rawcbtable.inpt_queue;
167: inp = inp->inp_queue.cqe_next) {
1.43 itojun 168: if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != proto)
1.13 mycroft 169: continue;
1.32 mycroft 170: if (!in_nullhost(inp->inp_laddr) &&
171: !in_hosteq(inp->inp_laddr, ip->ip_dst))
1.13 mycroft 172: continue;
1.32 mycroft 173: if (!in_nullhost(inp->inp_faddr) &&
174: !in_hosteq(inp->inp_faddr, ip->ip_src))
1.13 mycroft 175: continue;
176: if (last) {
177: struct mbuf *n;
1.24 christos 178: if ((n = m_copy(m, 0, (int)M_COPYALL)) != NULL) {
1.36 thorpej 179: if (last->inp_flags & INP_CONTROLOPTS ||
180: last->inp_socket->so_options & SO_TIMESTAMP)
181: ip_savecontrol(last, &opts, ip, n);
182: if (sbappendaddr(&last->inp_socket->so_rcv,
183: sintosa(&ripsrc), n, opts) == 0) {
1.13 mycroft 184: /* should notify about lost packet */
185: m_freem(n);
1.36 thorpej 186: if (opts)
187: m_freem(opts);
188: } else
189: sorwakeup(last->inp_socket);
1.41 thorpej 190: opts = NULL;
1.13 mycroft 191: }
192: }
1.36 thorpej 193: last = inp;
1.13 mycroft 194: }
195: if (last) {
1.36 thorpej 196: if (last->inp_flags & INP_CONTROLOPTS ||
197: last->inp_socket->so_options & SO_TIMESTAMP)
198: ip_savecontrol(last, &opts, ip, m);
199: if (sbappendaddr(&last->inp_socket->so_rcv,
200: sintosa(&ripsrc), m, opts) == 0) {
1.13 mycroft 201: m_freem(m);
1.36 thorpej 202: if (opts)
203: m_freem(opts);
204: } else
205: sorwakeup(last->inp_socket);
1.13 mycroft 206: } else {
1.44 darrenr 207: if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) {
1.46.2.1 bouyer 208: icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL,
209: 0, 0);
1.44 darrenr 210: ipstat.ips_noproto++;
211: ipstat.ips_delivered--;
212: } else
213: m_freem(m);
1.1 cgd 214: }
1.43 itojun 215: return;
1.1 cgd 216: }
217:
218: /*
219: * Generate IP header and pass packet to ip_output.
220: * Tack on options user may have setup with control call.
221: */
1.9 mycroft 222: int
1.24 christos 223: #if __STDC__
224: rip_output(struct mbuf *m, ...)
225: #else
226: rip_output(m, va_alist)
227: struct mbuf *m;
228: va_dcl
229: #endif
230: {
1.46.2.1 bouyer 231: struct inpcb *inp;
232: struct ip *ip;
1.10 mycroft 233: struct mbuf *opts;
1.24 christos 234: int flags;
235: va_list ap;
236:
237: va_start(ap, m);
1.27 mycroft 238: inp = va_arg(ap, struct inpcb *);
1.24 christos 239: va_end(ap);
240:
1.27 mycroft 241: flags =
1.37 matt 242: (inp->inp_socket->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST
243: | IP_RETURNMTU;
1.1 cgd 244:
245: /*
246: * If the user handed us a complete IP packet, use it.
247: * Otherwise, allocate an mbuf for a header and fill it in.
248: */
1.13 mycroft 249: if ((inp->inp_flags & INP_HDRINCL) == 0) {
1.35 thorpej 250: if ((m->m_pkthdr.len + sizeof(struct ip)) > IP_MAXPACKET) {
251: m_freem(m);
252: return (EMSGSIZE);
253: }
1.1 cgd 254: M_PREPEND(m, sizeof(struct ip), M_WAIT);
255: ip = mtod(m, struct ip *);
256: ip->ip_tos = 0;
257: ip->ip_off = 0;
1.13 mycroft 258: ip->ip_p = inp->inp_ip.ip_p;
1.1 cgd 259: ip->ip_len = m->m_pkthdr.len;
1.13 mycroft 260: ip->ip_src = inp->inp_laddr;
1.27 mycroft 261: ip->ip_dst = inp->inp_faddr;
1.1 cgd 262: ip->ip_ttl = MAXTTL;
1.13 mycroft 263: opts = inp->inp_options;
264: } else {
1.35 thorpej 265: if (m->m_pkthdr.len > IP_MAXPACKET) {
266: m_freem(m);
267: return (EMSGSIZE);
268: }
1.13 mycroft 269: ip = mtod(m, struct ip *);
1.38 mycroft 270: if (m->m_pkthdr.len != ip->ip_len) {
271: m_freem(m);
272: return (EINVAL);
273: }
1.13 mycroft 274: if (ip->ip_id == 0)
275: ip->ip_id = htons(ip_id++);
276: opts = NULL;
277: /* XXX prevent ip_output from overwriting header fields */
278: flags |= IP_RAWOUTPUT;
279: ipstat.ips_rawout++;
1.1 cgd 280: }
1.43 itojun 281: #ifdef IPSEC
1.46.2.2! bouyer 282: if (ipsec_setsocket(m, inp->inp_socket) != 0) {
! 283: m_freem(m);
! 284: return ENOBUFS;
! 285: }
1.43 itojun 286: #endif /*IPSEC*/
1.37 matt 287: return (ip_output(m, opts, &inp->inp_route, flags, inp->inp_moptions, &inp->inp_errormtu));
1.1 cgd 288: }
289:
290: /*
291: * Raw IP socket option processing.
292: */
1.9 mycroft 293: int
1.1 cgd 294: rip_ctloutput(op, so, level, optname, m)
295: int op;
296: struct socket *so;
297: int level, optname;
298: struct mbuf **m;
299: {
1.46.2.1 bouyer 300: struct inpcb *inp = sotoinpcb(so);
1.31 mycroft 301: int error = 0;
1.1 cgd 302:
1.15 mycroft 303: if (level != IPPROTO_IP) {
1.31 mycroft 304: error = ENOPROTOOPT;
305: if (op == PRCO_SETOPT && *m != 0)
306: (void) m_free(*m);
307: } else switch (op) {
308:
309: case PRCO_SETOPT:
310: switch (optname) {
311: case IP_HDRINCL:
312: if (*m == 0 || (*m)->m_len < sizeof (int))
313: error = EINVAL;
314: else {
1.13 mycroft 315: if (*mtod(*m, int *))
316: inp->inp_flags |= INP_HDRINCL;
317: else
318: inp->inp_flags &= ~INP_HDRINCL;
319: }
1.31 mycroft 320: if (*m != 0)
321: (void) m_free(*m);
322: break;
323:
324: #ifdef MROUTING
325: case MRT_INIT:
326: case MRT_DONE:
327: case MRT_ADD_VIF:
328: case MRT_DEL_VIF:
329: case MRT_ADD_MFC:
330: case MRT_DEL_MFC:
331: case MRT_ASSERT:
332: error = ip_mrouter_set(so, optname, m);
333: break;
334: #endif
335:
336: default:
337: error = ip_ctloutput(op, so, level, optname, m);
338: break;
1.13 mycroft 339: }
340: break;
1.1 cgd 341:
1.31 mycroft 342: case PRCO_GETOPT:
343: switch (optname) {
344: case IP_HDRINCL:
345: *m = m_get(M_WAIT, M_SOOPTS);
346: (*m)->m_len = sizeof (int);
347: *mtod(*m, int *) = inp->inp_flags & INP_HDRINCL ? 1 : 0;
348: break;
349:
1.6 hpeyerl 350: #ifdef MROUTING
1.31 mycroft 351: case MRT_VERSION:
352: case MRT_ASSERT:
353: error = ip_mrouter_get(so, optname, m);
1.18 mycroft 354: break;
1.31 mycroft 355: #endif
356:
1.18 mycroft 357: default:
1.31 mycroft 358: error = ip_ctloutput(op, so, level, optname, m);
1.18 mycroft 359: break;
360: }
1.31 mycroft 361: break;
1.1 cgd 362: }
1.31 mycroft 363: return (error);
1.1 cgd 364: }
365:
1.27 mycroft 366: int
1.29 mycroft 367: rip_bind(inp, nam)
368: struct inpcb *inp;
369: struct mbuf *nam;
370: {
371: struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *);
372:
373: if (nam->m_len != sizeof(*addr))
374: return (EINVAL);
375: if (ifnet.tqh_first == 0)
376: return (EADDRNOTAVAIL);
377: if (addr->sin_family != AF_INET &&
378: addr->sin_family != AF_IMPLINK)
379: return (EAFNOSUPPORT);
1.32 mycroft 380: if (!in_nullhost(addr->sin_addr) &&
1.29 mycroft 381: ifa_ifwithaddr(sintosa(addr)) == 0)
382: return (EADDRNOTAVAIL);
383: inp->inp_laddr = addr->sin_addr;
384: return (0);
385: }
386:
387: int
1.27 mycroft 388: rip_connect(inp, nam)
389: struct inpcb *inp;
390: struct mbuf *nam;
391: {
392: struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *);
393:
394: if (nam->m_len != sizeof(*addr))
395: return (EINVAL);
396: if (ifnet.tqh_first == 0)
397: return (EADDRNOTAVAIL);
398: if (addr->sin_family != AF_INET &&
399: addr->sin_family != AF_IMPLINK)
400: return (EAFNOSUPPORT);
401: inp->inp_faddr = addr->sin_addr;
402: return (0);
403: }
404:
405: void
406: rip_disconnect(inp)
407: struct inpcb *inp;
408: {
409:
1.32 mycroft 410: inp->inp_faddr = zeroin_addr;
1.27 mycroft 411: }
412:
1.13 mycroft 413: u_long rip_sendspace = RIPSNDQ;
414: u_long rip_recvspace = RIPRCVQ;
415:
1.1 cgd 416: /*ARGSUSED*/
1.9 mycroft 417: int
1.26 mycroft 418: rip_usrreq(so, req, m, nam, control, p)
1.46.2.1 bouyer 419: struct socket *so;
1.1 cgd 420: int req;
1.2 cgd 421: struct mbuf *m, *nam, *control;
1.26 mycroft 422: struct proc *p;
1.1 cgd 423: {
1.46.2.1 bouyer 424: struct inpcb *inp;
1.27 mycroft 425: int s;
1.46.2.1 bouyer 426: int error = 0;
1.13 mycroft 427: #ifdef MROUTING
1.6 hpeyerl 428: extern struct socket *ip_mrouter;
429: #endif
1.27 mycroft 430:
1.22 pk 431: if (req == PRU_CONTROL)
432: return (in_control(so, (long)m, (caddr_t)nam,
1.26 mycroft 433: (struct ifnet *)control, p));
1.22 pk 434:
1.46.2.1 bouyer 435: if (req == PRU_PURGEIF) {
436: in_purgeif((struct ifnet *)control);
437: in_pcbpurgeif(&rawcbtable, (struct ifnet *)control);
438: return (0);
439: }
440:
1.27 mycroft 441: s = splsoftnet();
442: inp = sotoinpcb(so);
1.28 mycroft 443: #ifdef DIAGNOSTIC
444: if (req != PRU_SEND && req != PRU_SENDOOB && control)
445: panic("rip_usrreq: unexpected control mbuf");
446: #endif
1.27 mycroft 447: if (inp == 0 && req != PRU_ATTACH) {
1.22 pk 448: error = EINVAL;
449: goto release;
450: }
451:
1.1 cgd 452: switch (req) {
453:
454: case PRU_ATTACH:
1.27 mycroft 455: if (inp != 0) {
456: error = EISCONN;
457: break;
458: }
1.26 mycroft 459: if (p == 0 || (error = suser(p->p_ucred, &p->p_acflag))) {
1.13 mycroft 460: error = EACCES;
461: break;
462: }
1.27 mycroft 463: if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
464: error = soreserve(so, rip_sendspace, rip_recvspace);
465: if (error)
466: break;
467: }
468: error = in_pcballoc(so, &rawcbtable);
469: if (error)
1.13 mycroft 470: break;
1.27 mycroft 471: inp = sotoinpcb(so);
1.17 cgd 472: inp->inp_ip.ip_p = (long)nam;
1.43 itojun 473: #ifdef IPSEC
1.46.2.1 bouyer 474: error = ipsec_init_policy(so, &inp->inp_sp);
475: if (error != 0) {
1.46 itojun 476: in_pcbdetach(inp);
1.46.2.1 bouyer 477: break;
478: }
1.43 itojun 479: #endif /*IPSEC*/
1.1 cgd 480: break;
481:
482: case PRU_DETACH:
1.13 mycroft 483: #ifdef MROUTING
1.6 hpeyerl 484: if (so == ip_mrouter)
485: ip_mrouter_done();
486: #endif
1.13 mycroft 487: in_pcbdetach(inp);
1.1 cgd 488: break;
489:
490: case PRU_BIND:
1.29 mycroft 491: error = rip_bind(inp, nam);
1.27 mycroft 492: break;
493:
494: case PRU_LISTEN:
495: error = EOPNOTSUPP;
496: break;
497:
498: case PRU_CONNECT:
499: error = rip_connect(inp, nam);
500: if (error)
1.13 mycroft 501: break;
1.1 cgd 502: soisconnected(so);
1.13 mycroft 503: break;
504:
505: case PRU_CONNECT2:
506: error = EOPNOTSUPP;
507: break;
508:
1.27 mycroft 509: case PRU_DISCONNECT:
510: soisdisconnected(so);
511: rip_disconnect(inp);
512: break;
513:
1.13 mycroft 514: /*
515: * Mark the connection as being incapable of further input.
516: */
517: case PRU_SHUTDOWN:
518: socantsendmore(so);
519: break;
520:
1.27 mycroft 521: case PRU_RCVD:
522: error = EOPNOTSUPP;
523: break;
524:
1.13 mycroft 525: /*
526: * Ship a packet out. The appropriate raw output
527: * routine handles any massaging necessary.
528: */
529: case PRU_SEND:
1.28 mycroft 530: if (control && control->m_len) {
531: m_freem(control);
532: m_freem(m);
533: error = EINVAL;
534: break;
535: }
536: {
1.27 mycroft 537: if (nam) {
538: if ((so->so_state & SS_ISCONNECTED) != 0) {
1.13 mycroft 539: error = EISCONN;
1.28 mycroft 540: goto die;
1.13 mycroft 541: }
1.27 mycroft 542: error = rip_connect(inp, nam);
543: if (error) {
1.28 mycroft 544: die:
1.27 mycroft 545: m_freem(m);
546: break;
547: }
1.13 mycroft 548: } else {
1.27 mycroft 549: if ((so->so_state & SS_ISCONNECTED) == 0) {
1.13 mycroft 550: error = ENOTCONN;
1.28 mycroft 551: goto die;
1.13 mycroft 552: }
553: }
1.27 mycroft 554: error = rip_output(m, inp);
555: if (nam)
556: rip_disconnect(inp);
1.28 mycroft 557: }
1.13 mycroft 558: break;
559:
560: case PRU_SENSE:
561: /*
562: * stat: don't bother with a blocksize.
563: */
1.27 mycroft 564: splx(s);
1.1 cgd 565: return (0);
1.13 mycroft 566:
567: case PRU_RCVOOB:
1.27 mycroft 568: error = EOPNOTSUPP;
569: break;
570:
1.13 mycroft 571: case PRU_SENDOOB:
1.28 mycroft 572: m_freem(control);
1.27 mycroft 573: m_freem(m);
1.13 mycroft 574: error = EOPNOTSUPP;
575: break;
576:
577: case PRU_SOCKADDR:
578: in_setsockaddr(inp, nam);
579: break;
580:
581: case PRU_PEERADDR:
582: in_setpeeraddr(inp, nam);
583: break;
584:
585: default:
586: panic("rip_usrreq");
1.1 cgd 587: }
1.27 mycroft 588:
1.22 pk 589: release:
1.27 mycroft 590: splx(s);
1.1 cgd 591: return (error);
592: }
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