Annotation of src/sys/netinet/raw_ip.c, Revision 1.57
1.57 ! itojun 1: /* $NetBSD: raw_ip.c,v 1.56 2001/07/03 08:06:19 itojun 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;
1.53 augustss 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;
1.55 itojun 178:
179: #ifdef IPSEC
180: /* check AH/ESP integrity. */
181: if (ipsec4_in_reject_so(m, last->inp_socket)) {
182: ipsecstat.in_polvio++;
183: /* do not inject data to pcb */
184: } else
185: #endif /*IPSEC*/
1.24 christos 186: if ((n = m_copy(m, 0, (int)M_COPYALL)) != NULL) {
1.36 thorpej 187: if (last->inp_flags & INP_CONTROLOPTS ||
188: last->inp_socket->so_options & SO_TIMESTAMP)
189: ip_savecontrol(last, &opts, ip, n);
190: if (sbappendaddr(&last->inp_socket->so_rcv,
191: sintosa(&ripsrc), n, opts) == 0) {
1.13 mycroft 192: /* should notify about lost packet */
193: m_freem(n);
1.36 thorpej 194: if (opts)
195: m_freem(opts);
196: } else
197: sorwakeup(last->inp_socket);
1.41 thorpej 198: opts = NULL;
1.13 mycroft 199: }
200: }
1.36 thorpej 201: last = inp;
1.13 mycroft 202: }
1.55 itojun 203: #ifdef IPSEC
204: /* check AH/ESP integrity. */
205: if (last && ipsec4_in_reject_so(m, last->inp_socket)) {
206: m_freem(m);
207: ipsecstat.in_polvio++;
208: ipstat.ips_delivered--;
209: /* do not inject data to pcb */
210: } else
211: #endif /*IPSEC*/
1.13 mycroft 212: if (last) {
1.36 thorpej 213: if (last->inp_flags & INP_CONTROLOPTS ||
214: last->inp_socket->so_options & SO_TIMESTAMP)
215: ip_savecontrol(last, &opts, ip, m);
216: if (sbappendaddr(&last->inp_socket->so_rcv,
217: sintosa(&ripsrc), m, opts) == 0) {
1.13 mycroft 218: m_freem(m);
1.36 thorpej 219: if (opts)
220: m_freem(opts);
221: } else
222: sorwakeup(last->inp_socket);
1.13 mycroft 223: } else {
1.44 darrenr 224: if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) {
1.47 itojun 225: icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL,
226: 0, 0);
1.44 darrenr 227: ipstat.ips_noproto++;
228: ipstat.ips_delivered--;
229: } else
230: m_freem(m);
1.1 cgd 231: }
1.43 itojun 232: return;
1.1 cgd 233: }
234:
235: /*
236: * Generate IP header and pass packet to ip_output.
237: * Tack on options user may have setup with control call.
238: */
1.9 mycroft 239: int
1.24 christos 240: #if __STDC__
241: rip_output(struct mbuf *m, ...)
242: #else
243: rip_output(m, va_alist)
244: struct mbuf *m;
245: va_dcl
246: #endif
247: {
1.53 augustss 248: struct inpcb *inp;
249: struct ip *ip;
1.10 mycroft 250: struct mbuf *opts;
1.24 christos 251: int flags;
252: va_list ap;
253:
254: va_start(ap, m);
1.27 mycroft 255: inp = va_arg(ap, struct inpcb *);
1.24 christos 256: va_end(ap);
257:
1.27 mycroft 258: flags =
1.37 matt 259: (inp->inp_socket->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST
260: | IP_RETURNMTU;
1.1 cgd 261:
262: /*
263: * If the user handed us a complete IP packet, use it.
264: * Otherwise, allocate an mbuf for a header and fill it in.
265: */
1.13 mycroft 266: if ((inp->inp_flags & INP_HDRINCL) == 0) {
1.35 thorpej 267: if ((m->m_pkthdr.len + sizeof(struct ip)) > IP_MAXPACKET) {
268: m_freem(m);
269: return (EMSGSIZE);
270: }
1.1 cgd 271: M_PREPEND(m, sizeof(struct ip), M_WAIT);
272: ip = mtod(m, struct ip *);
273: ip->ip_tos = 0;
274: ip->ip_off = 0;
1.13 mycroft 275: ip->ip_p = inp->inp_ip.ip_p;
1.1 cgd 276: ip->ip_len = m->m_pkthdr.len;
1.13 mycroft 277: ip->ip_src = inp->inp_laddr;
1.27 mycroft 278: ip->ip_dst = inp->inp_faddr;
1.1 cgd 279: ip->ip_ttl = MAXTTL;
1.13 mycroft 280: opts = inp->inp_options;
281: } else {
1.35 thorpej 282: if (m->m_pkthdr.len > IP_MAXPACKET) {
283: m_freem(m);
284: return (EMSGSIZE);
285: }
1.13 mycroft 286: ip = mtod(m, struct ip *);
1.38 mycroft 287: if (m->m_pkthdr.len != ip->ip_len) {
288: m_freem(m);
289: return (EINVAL);
290: }
1.13 mycroft 291: if (ip->ip_id == 0)
292: ip->ip_id = htons(ip_id++);
293: opts = NULL;
294: /* XXX prevent ip_output from overwriting header fields */
295: flags |= IP_RAWOUTPUT;
296: ipstat.ips_rawout++;
1.1 cgd 297: }
1.43 itojun 298: #ifdef IPSEC
1.54 itojun 299: if (ipsec_setsocket(m, inp->inp_socket) != 0) {
300: m_freem(m);
301: return ENOBUFS;
302: }
1.43 itojun 303: #endif /*IPSEC*/
1.37 matt 304: return (ip_output(m, opts, &inp->inp_route, flags, inp->inp_moptions, &inp->inp_errormtu));
1.1 cgd 305: }
306:
307: /*
308: * Raw IP socket option processing.
309: */
1.9 mycroft 310: int
1.1 cgd 311: rip_ctloutput(op, so, level, optname, m)
312: int op;
313: struct socket *so;
314: int level, optname;
315: struct mbuf **m;
316: {
1.53 augustss 317: struct inpcb *inp = sotoinpcb(so);
1.31 mycroft 318: int error = 0;
1.1 cgd 319:
1.15 mycroft 320: if (level != IPPROTO_IP) {
1.31 mycroft 321: error = ENOPROTOOPT;
322: if (op == PRCO_SETOPT && *m != 0)
323: (void) m_free(*m);
324: } else switch (op) {
325:
326: case PRCO_SETOPT:
327: switch (optname) {
328: case IP_HDRINCL:
329: if (*m == 0 || (*m)->m_len < sizeof (int))
330: error = EINVAL;
331: else {
1.13 mycroft 332: if (*mtod(*m, int *))
333: inp->inp_flags |= INP_HDRINCL;
334: else
335: inp->inp_flags &= ~INP_HDRINCL;
336: }
1.31 mycroft 337: if (*m != 0)
338: (void) m_free(*m);
339: break;
340:
341: #ifdef MROUTING
342: case MRT_INIT:
343: case MRT_DONE:
344: case MRT_ADD_VIF:
345: case MRT_DEL_VIF:
346: case MRT_ADD_MFC:
347: case MRT_DEL_MFC:
348: case MRT_ASSERT:
349: error = ip_mrouter_set(so, optname, m);
350: break;
351: #endif
352:
353: default:
354: error = ip_ctloutput(op, so, level, optname, m);
355: break;
1.13 mycroft 356: }
357: break;
1.1 cgd 358:
1.31 mycroft 359: case PRCO_GETOPT:
360: switch (optname) {
361: case IP_HDRINCL:
362: *m = m_get(M_WAIT, M_SOOPTS);
363: (*m)->m_len = sizeof (int);
364: *mtod(*m, int *) = inp->inp_flags & INP_HDRINCL ? 1 : 0;
365: break;
366:
1.6 hpeyerl 367: #ifdef MROUTING
1.31 mycroft 368: case MRT_VERSION:
369: case MRT_ASSERT:
370: error = ip_mrouter_get(so, optname, m);
1.18 mycroft 371: break;
1.31 mycroft 372: #endif
373:
1.18 mycroft 374: default:
1.31 mycroft 375: error = ip_ctloutput(op, so, level, optname, m);
1.18 mycroft 376: break;
377: }
1.31 mycroft 378: break;
1.1 cgd 379: }
1.31 mycroft 380: return (error);
1.1 cgd 381: }
382:
1.27 mycroft 383: int
1.29 mycroft 384: rip_bind(inp, nam)
385: struct inpcb *inp;
386: struct mbuf *nam;
387: {
388: struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *);
389:
390: if (nam->m_len != sizeof(*addr))
391: return (EINVAL);
392: if (ifnet.tqh_first == 0)
393: return (EADDRNOTAVAIL);
394: if (addr->sin_family != AF_INET &&
395: addr->sin_family != AF_IMPLINK)
396: return (EAFNOSUPPORT);
1.32 mycroft 397: if (!in_nullhost(addr->sin_addr) &&
1.29 mycroft 398: ifa_ifwithaddr(sintosa(addr)) == 0)
399: return (EADDRNOTAVAIL);
400: inp->inp_laddr = addr->sin_addr;
401: return (0);
402: }
403:
404: int
1.27 mycroft 405: rip_connect(inp, nam)
406: struct inpcb *inp;
407: struct mbuf *nam;
408: {
409: struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *);
410:
411: if (nam->m_len != sizeof(*addr))
412: return (EINVAL);
413: if (ifnet.tqh_first == 0)
414: return (EADDRNOTAVAIL);
415: if (addr->sin_family != AF_INET &&
416: addr->sin_family != AF_IMPLINK)
417: return (EAFNOSUPPORT);
418: inp->inp_faddr = addr->sin_addr;
419: return (0);
420: }
421:
422: void
423: rip_disconnect(inp)
424: struct inpcb *inp;
425: {
426:
1.32 mycroft 427: inp->inp_faddr = zeroin_addr;
1.27 mycroft 428: }
429:
1.13 mycroft 430: u_long rip_sendspace = RIPSNDQ;
431: u_long rip_recvspace = RIPRCVQ;
432:
1.1 cgd 433: /*ARGSUSED*/
1.9 mycroft 434: int
1.26 mycroft 435: rip_usrreq(so, req, m, nam, control, p)
1.53 augustss 436: struct socket *so;
1.1 cgd 437: int req;
1.2 cgd 438: struct mbuf *m, *nam, *control;
1.26 mycroft 439: struct proc *p;
1.1 cgd 440: {
1.53 augustss 441: struct inpcb *inp;
1.27 mycroft 442: int s;
1.53 augustss 443: int error = 0;
1.13 mycroft 444: #ifdef MROUTING
1.6 hpeyerl 445: extern struct socket *ip_mrouter;
446: #endif
1.27 mycroft 447:
1.22 pk 448: if (req == PRU_CONTROL)
449: return (in_control(so, (long)m, (caddr_t)nam,
1.26 mycroft 450: (struct ifnet *)control, p));
1.49 thorpej 451:
1.50 thorpej 452: if (req == PRU_PURGEIF) {
1.56 itojun 453: in_pcbpurgeif0(&rawcbtable, (struct ifnet *)control);
1.50 thorpej 454: in_purgeif((struct ifnet *)control);
455: in_pcbpurgeif(&rawcbtable, (struct ifnet *)control);
1.49 thorpej 456: return (0);
457: }
1.22 pk 458:
1.27 mycroft 459: s = splsoftnet();
460: inp = sotoinpcb(so);
1.28 mycroft 461: #ifdef DIAGNOSTIC
462: if (req != PRU_SEND && req != PRU_SENDOOB && control)
463: panic("rip_usrreq: unexpected control mbuf");
464: #endif
1.27 mycroft 465: if (inp == 0 && req != PRU_ATTACH) {
1.22 pk 466: error = EINVAL;
467: goto release;
468: }
469:
1.1 cgd 470: switch (req) {
471:
472: case PRU_ATTACH:
1.27 mycroft 473: if (inp != 0) {
474: error = EISCONN;
475: break;
476: }
1.26 mycroft 477: if (p == 0 || (error = suser(p->p_ucred, &p->p_acflag))) {
1.13 mycroft 478: error = EACCES;
479: break;
480: }
1.27 mycroft 481: if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
482: error = soreserve(so, rip_sendspace, rip_recvspace);
483: if (error)
484: break;
485: }
486: error = in_pcballoc(so, &rawcbtable);
487: if (error)
1.13 mycroft 488: break;
1.27 mycroft 489: inp = sotoinpcb(so);
1.17 cgd 490: inp->inp_ip.ip_p = (long)nam;
1.1 cgd 491: break;
492:
493: case PRU_DETACH:
1.13 mycroft 494: #ifdef MROUTING
1.6 hpeyerl 495: if (so == ip_mrouter)
496: ip_mrouter_done();
497: #endif
1.13 mycroft 498: in_pcbdetach(inp);
1.1 cgd 499: break;
500:
501: case PRU_BIND:
1.29 mycroft 502: error = rip_bind(inp, nam);
1.27 mycroft 503: break;
504:
505: case PRU_LISTEN:
506: error = EOPNOTSUPP;
507: break;
508:
509: case PRU_CONNECT:
510: error = rip_connect(inp, nam);
511: if (error)
1.13 mycroft 512: break;
1.1 cgd 513: soisconnected(so);
1.13 mycroft 514: break;
515:
516: case PRU_CONNECT2:
517: error = EOPNOTSUPP;
518: break;
519:
1.27 mycroft 520: case PRU_DISCONNECT:
521: soisdisconnected(so);
522: rip_disconnect(inp);
523: break;
524:
1.13 mycroft 525: /*
526: * Mark the connection as being incapable of further input.
527: */
528: case PRU_SHUTDOWN:
529: socantsendmore(so);
530: break;
531:
1.27 mycroft 532: case PRU_RCVD:
533: error = EOPNOTSUPP;
534: break;
535:
1.13 mycroft 536: /*
537: * Ship a packet out. The appropriate raw output
538: * routine handles any massaging necessary.
539: */
540: case PRU_SEND:
1.28 mycroft 541: if (control && control->m_len) {
542: m_freem(control);
543: m_freem(m);
544: error = EINVAL;
545: break;
546: }
547: {
1.27 mycroft 548: if (nam) {
549: if ((so->so_state & SS_ISCONNECTED) != 0) {
1.13 mycroft 550: error = EISCONN;
1.28 mycroft 551: goto die;
1.13 mycroft 552: }
1.27 mycroft 553: error = rip_connect(inp, nam);
554: if (error) {
1.28 mycroft 555: die:
1.27 mycroft 556: m_freem(m);
557: break;
558: }
1.13 mycroft 559: } else {
1.27 mycroft 560: if ((so->so_state & SS_ISCONNECTED) == 0) {
1.13 mycroft 561: error = ENOTCONN;
1.28 mycroft 562: goto die;
1.13 mycroft 563: }
564: }
1.27 mycroft 565: error = rip_output(m, inp);
566: if (nam)
567: rip_disconnect(inp);
1.28 mycroft 568: }
1.13 mycroft 569: break;
570:
571: case PRU_SENSE:
572: /*
573: * stat: don't bother with a blocksize.
574: */
1.27 mycroft 575: splx(s);
1.1 cgd 576: return (0);
1.13 mycroft 577:
578: case PRU_RCVOOB:
1.27 mycroft 579: error = EOPNOTSUPP;
580: break;
581:
1.13 mycroft 582: case PRU_SENDOOB:
1.28 mycroft 583: m_freem(control);
1.27 mycroft 584: m_freem(m);
1.13 mycroft 585: error = EOPNOTSUPP;
586: break;
587:
588: case PRU_SOCKADDR:
589: in_setsockaddr(inp, nam);
590: break;
591:
592: case PRU_PEERADDR:
593: in_setpeeraddr(inp, nam);
594: break;
595:
596: default:
597: panic("rip_usrreq");
1.1 cgd 598: }
1.27 mycroft 599:
1.22 pk 600: release:
1.27 mycroft 601: splx(s);
1.1 cgd 602: return (error);
603: }
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