2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * Copyright (c) 1982, 1986, 1988, 1993
32 * The Regents of the University of California.
33 * All rights reserved.
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 * 4. Neither the name of the University nor the names of its contributors
44 * may be used to endorse or promote products derived from this software
45 * without specific prior written permission.
47 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
48 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
51 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * @(#)raw_ip.c 8.2 (Berkeley) 1/4/94
62 #include <sys/cdefs.h>
63 __FBSDID("$FreeBSD$");
65 #include "opt_ipsec.h"
66 #include "opt_inet6.h"
68 #include <sys/param.h>
69 #include <sys/errno.h>
72 #include <sys/malloc.h>
76 #include <sys/protosw.h>
77 #include <sys/signalvar.h>
78 #include <sys/socket.h>
79 #include <sys/socketvar.h>
81 #include <sys/syslog.h>
82 #include <sys/vimage.h>
85 #include <net/if_types.h>
86 #include <net/route.h>
89 #include <netinet/in.h>
90 #include <netinet/in_var.h>
91 #include <netinet/in_systm.h>
92 #include <netinet/in_pcb.h>
94 #include <netinet/icmp6.h>
95 #include <netinet/ip6.h>
96 #include <netinet6/ip6protosw.h>
97 #include <netinet6/ip6_mroute.h>
98 #include <netinet6/in6_pcb.h>
99 #include <netinet6/ip6_var.h>
100 #include <netinet6/nd6.h>
101 #include <netinet6/raw_ip6.h>
102 #include <netinet6/scope6_var.h>
105 #include <netipsec/ipsec.h>
106 #include <netipsec/ipsec6.h>
109 #include <machine/stdarg.h>
111 #define satosin6(sa) ((struct sockaddr_in6 *)(sa))
112 #define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa))
115 * Raw interface to IP6 protocol.
118 VNET_DECLARE(struct inpcbhead, ripcb);
119 VNET_DECLARE(struct inpcbinfo, ripcbinfo);
120 #define V_ripcb VNET(ripcb)
121 #define V_ripcbinfo VNET(ripcbinfo)
123 VNET_DEFINE(struct rip6stat, rip6stat);
125 extern u_long rip_sendspace;
126 extern u_long rip_recvspace;
129 * Hooks for multicast routing. They all default to NULL, so leave them not
130 * initialized and rely on BSS being set to 0.
134 * The socket used to communicate with the multicast routing daemon.
136 VNET_DEFINE(struct socket *, ip6_mrouter);
139 * The various mrouter functions.
141 int (*ip6_mrouter_set)(struct socket *, struct sockopt *);
142 int (*ip6_mrouter_get)(struct socket *, struct sockopt *);
143 int (*ip6_mrouter_done)(void);
144 int (*ip6_mforward)(struct ip6_hdr *, struct ifnet *, struct mbuf *);
145 int (*mrt6_ioctl)(u_long, caddr_t);
148 * Setup generic address and protocol structures for raw_input routine, then
149 * pass them along with mbuf chain.
152 rip6_input(struct mbuf **mp, int *offp, int proto)
155 struct mbuf *m = *mp;
156 register struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
157 register struct inpcb *in6p;
158 struct inpcb *last = 0;
159 struct mbuf *opts = NULL;
160 struct sockaddr_in6 fromsa;
162 V_rip6stat.rip6s_ipackets++;
164 if (faithprefix_p != NULL && (*faithprefix_p)(&ip6->ip6_dst)) {
165 /* XXX Send icmp6 host/port unreach? */
167 return (IPPROTO_DONE);
170 init_sin6(&fromsa, m); /* general init */
172 ifp = m->m_pkthdr.rcvif;
174 INP_INFO_RLOCK(&V_ripcbinfo);
175 LIST_FOREACH(in6p, &V_ripcb, inp_list) {
176 /* XXX inp locking */
177 if ((in6p->inp_vflag & INP_IPV6) == 0)
179 if (in6p->inp_ip_p &&
180 in6p->inp_ip_p != proto)
182 if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr) &&
183 !IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, &ip6->ip6_dst))
185 if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_faddr) &&
186 !IN6_ARE_ADDR_EQUAL(&in6p->in6p_faddr, &ip6->ip6_src))
188 if (jailed(in6p->inp_cred)) {
190 * Allow raw socket in jail to receive multicast;
191 * assume process had PRIV_NETINET_RAW at attach,
192 * and fall through into normal filter path if so.
194 if (!IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst) &&
195 prison_check_ip6(in6p->inp_cred,
199 if (in6p->in6p_cksum != -1) {
200 V_rip6stat.rip6s_isum++;
201 if (in6_cksum(m, proto, *offp,
202 m->m_pkthdr.len - *offp)) {
204 V_rip6stat.rip6s_badsum++;
210 * If this raw socket has multicast state, and we
211 * have received a multicast, check if this socket
212 * should receive it, as multicast filtering is now
213 * the responsibility of the transport layer.
215 if (in6p->in6p_moptions &&
216 IN6_IS_ADDR_MULTICAST(&ip6->ip6_dst)) {
217 struct sockaddr_in6 mcaddr;
220 bzero(&mcaddr, sizeof(struct sockaddr_in6));
221 mcaddr.sin6_len = sizeof(struct sockaddr_in6);
222 mcaddr.sin6_family = AF_INET6;
223 mcaddr.sin6_addr = ip6->ip6_dst;
225 blocked = im6o_mc_filter(in6p->in6p_moptions, ifp,
226 (struct sockaddr *)&mcaddr,
227 (struct sockaddr *)&fromsa);
228 if (blocked != MCAST_PASS) {
229 IP6STAT_INC(ip6s_notmember);
234 struct mbuf *n = m_copy(m, 0, (int)M_COPYALL);
238 * Check AH/ESP integrity.
240 if (n && ipsec6_in_reject(n, last)) {
242 V_ipsec6stat.in_polvio++;
243 /* Do not inject data into pcb. */
247 if (last->inp_flags & INP_CONTROLOPTS ||
248 last->inp_socket->so_options & SO_TIMESTAMP)
249 ip6_savecontrol(last, n, &opts);
250 /* strip intermediate headers */
252 if (sbappendaddr(&last->inp_socket->so_rcv,
253 (struct sockaddr *)&fromsa,
258 V_rip6stat.rip6s_fullsock++;
260 sorwakeup(last->inp_socket);
267 INP_INFO_RUNLOCK(&V_ripcbinfo);
270 * Check AH/ESP integrity.
272 if ((last != NULL) && ipsec6_in_reject(m, last)) {
274 V_ipsec6stat.in_polvio++;
275 V_ip6stat.ip6s_delivered--;
276 /* Do not inject data into pcb. */
281 if (last->inp_flags & INP_CONTROLOPTS ||
282 last->inp_socket->so_options & SO_TIMESTAMP)
283 ip6_savecontrol(last, m, &opts);
284 /* Strip intermediate headers. */
286 if (sbappendaddr(&last->inp_socket->so_rcv,
287 (struct sockaddr *)&fromsa, m, opts) == 0) {
291 V_rip6stat.rip6s_fullsock++;
293 sorwakeup(last->inp_socket);
296 V_rip6stat.rip6s_nosock++;
297 if (m->m_flags & M_MCAST)
298 V_rip6stat.rip6s_nosockmcast++;
299 if (proto == IPPROTO_NONE)
302 char *prvnxtp = ip6_get_prevhdr(m, *offp); /* XXX */
303 icmp6_error(m, ICMP6_PARAM_PROB,
304 ICMP6_PARAMPROB_NEXTHEADER,
305 prvnxtp - mtod(m, char *));
307 V_ip6stat.ip6s_delivered--;
309 return (IPPROTO_DONE);
313 rip6_ctlinput(int cmd, struct sockaddr *sa, void *d)
318 struct ip6ctlparam *ip6cp = NULL;
319 const struct sockaddr_in6 *sa6_src = NULL;
321 struct inpcb *(*notify)(struct inpcb *, int) = in6_rtchange;
323 if (sa->sa_family != AF_INET6 ||
324 sa->sa_len != sizeof(struct sockaddr_in6))
327 if ((unsigned)cmd >= PRC_NCMDS)
329 if (PRC_IS_REDIRECT(cmd))
330 notify = in6_rtchange, d = NULL;
331 else if (cmd == PRC_HOSTDEAD)
333 else if (inet6ctlerrmap[cmd] == 0)
337 * If the parameter is from icmp6, decode it.
340 ip6cp = (struct ip6ctlparam *)d;
342 ip6 = ip6cp->ip6c_ip6;
343 off = ip6cp->ip6c_off;
344 cmdarg = ip6cp->ip6c_cmdarg;
345 sa6_src = ip6cp->ip6c_src;
353 (void) in6_pcbnotify(&V_ripcbinfo, sa, 0,
354 (const struct sockaddr *)sa6_src, 0, cmd, cmdarg, notify);
358 * Generate IPv6 header and pass packet to ip6_output. Tack on options user
359 * may have setup with control call.
363 rip6_output(struct mbuf *m, ...)
365 rip6_output(m, va_alist)
370 struct mbuf *control;
372 struct sockaddr_in6 *dstsock;
373 struct in6_addr *dst;
376 u_int plen = m->m_pkthdr.len;
378 struct ip6_pktopts opt, *optp;
379 struct ifnet *oifp = NULL;
380 int type = 0, code = 0; /* for ICMPv6 output statistics only */
381 int scope_ambiguous = 0;
382 struct in6_addr in6a;
386 so = va_arg(ap, struct socket *);
387 dstsock = va_arg(ap, struct sockaddr_in6 *);
388 control = va_arg(ap, struct mbuf *);
391 in6p = sotoinpcb(so);
394 dst = &dstsock->sin6_addr;
395 if (control != NULL) {
396 if ((error = ip6_setpktopts(control, &opt,
397 in6p->in6p_outputopts, so->so_cred,
398 so->so_proto->pr_protocol)) != 0) {
403 optp = in6p->in6p_outputopts;
406 * Check and convert scope zone ID into internal form.
408 * XXX: we may still need to determine the zone later.
410 if (!(so->so_state & SS_ISCONNECTED)) {
411 if (dstsock->sin6_scope_id == 0 && !V_ip6_use_defzone)
413 if ((error = sa6_embedscope(dstsock, V_ip6_use_defzone)) != 0)
418 * For an ICMPv6 packet, we should know its type and code to update
421 if (so->so_proto->pr_protocol == IPPROTO_ICMPV6) {
422 struct icmp6_hdr *icmp6;
423 if (m->m_len < sizeof(struct icmp6_hdr) &&
424 (m = m_pullup(m, sizeof(struct icmp6_hdr))) == NULL) {
428 icmp6 = mtod(m, struct icmp6_hdr *);
429 type = icmp6->icmp6_type;
430 code = icmp6->icmp6_code;
433 M_PREPEND(m, sizeof(*ip6), M_DONTWAIT);
438 ip6 = mtod(m, struct ip6_hdr *);
441 * Source address selection.
443 error = in6_selectsrc(dstsock, optp, in6p, NULL, so->so_cred,
447 error = prison_get_ip6(in6p->inp_cred, &in6a);
452 if (oifp && scope_ambiguous) {
454 * Application should provide a proper zone ID or the use of
455 * default zone IDs should be enabled. Unfortunately, some
456 * applications do not behave as it should, so we need a
457 * workaround. Even if an appropriate ID is not determined
458 * (when it's required), if we can determine the outgoing
459 * interface. determine the zone ID based on the interface.
461 error = in6_setscope(&dstsock->sin6_addr, oifp, NULL);
465 ip6->ip6_dst = dstsock->sin6_addr;
468 * Fill in the rest of the IPv6 header fields.
470 ip6->ip6_flow = (ip6->ip6_flow & ~IPV6_FLOWINFO_MASK) |
471 (in6p->inp_flow & IPV6_FLOWINFO_MASK);
472 ip6->ip6_vfc = (ip6->ip6_vfc & ~IPV6_VERSION_MASK) |
473 (IPV6_VERSION & IPV6_VERSION_MASK);
476 * ip6_plen will be filled in ip6_output, so not fill it here.
478 ip6->ip6_nxt = in6p->inp_ip_p;
479 ip6->ip6_hlim = in6_selecthlim(in6p, oifp);
481 if (so->so_proto->pr_protocol == IPPROTO_ICMPV6 ||
482 in6p->in6p_cksum != -1) {
487 /* Compute checksum. */
488 if (so->so_proto->pr_protocol == IPPROTO_ICMPV6)
489 off = offsetof(struct icmp6_hdr, icmp6_cksum);
491 off = in6p->in6p_cksum;
492 if (plen < off + 1) {
496 off += sizeof(struct ip6_hdr);
499 while (n && n->m_len <= off) {
505 p = (u_int16_t *)(mtod(n, caddr_t) + off);
507 *p = in6_cksum(m, ip6->ip6_nxt, sizeof(*ip6), plen);
510 error = ip6_output(m, optp, NULL, 0, in6p->in6p_moptions, &oifp, in6p);
511 if (so->so_proto->pr_protocol == IPPROTO_ICMPV6) {
513 icmp6_ifoutstat_inc(oifp, type, code);
514 ICMP6STAT_INC(icp6s_outhist[type]);
516 V_rip6stat.rip6s_opackets++;
525 if (control != NULL) {
526 ip6_clearpktopts(&opt, -1);
534 * Raw IPv6 socket option processing.
537 rip6_ctloutput(struct socket *so, struct sockopt *sopt)
541 if (sopt->sopt_level == IPPROTO_ICMPV6)
543 * XXX: is it better to call icmp6_ctloutput() directly
546 return (icmp6_ctloutput(so, sopt));
547 else if (sopt->sopt_level != IPPROTO_IPV6)
552 switch (sopt->sopt_dir) {
554 switch (sopt->sopt_name) {
562 error = ip6_mrouter_get ? ip6_mrouter_get(so, sopt) :
566 error = ip6_raw_ctloutput(so, sopt);
569 error = ip6_ctloutput(so, sopt);
575 switch (sopt->sopt_name) {
583 error = ip6_mrouter_set ? ip6_mrouter_set(so, sopt) :
587 error = ip6_raw_ctloutput(so, sopt);
590 error = ip6_ctloutput(so, sopt);
600 rip6_attach(struct socket *so, int proto, struct thread *td)
603 struct icmp6_filter *filter;
607 KASSERT(inp == NULL, ("rip6_attach: inp != NULL"));
609 error = priv_check(td, PRIV_NETINET_RAW);
612 error = soreserve(so, rip_sendspace, rip_recvspace);
615 filter = malloc(sizeof(struct icmp6_filter), M_PCB, M_NOWAIT);
618 INP_INFO_WLOCK(&V_ripcbinfo);
619 error = in_pcballoc(so, &V_ripcbinfo);
621 INP_INFO_WUNLOCK(&V_ripcbinfo);
625 inp = (struct inpcb *)so->so_pcb;
626 INP_INFO_WUNLOCK(&V_ripcbinfo);
627 inp->inp_vflag |= INP_IPV6;
628 inp->inp_ip_p = (long)proto;
629 inp->in6p_hops = -1; /* use kernel default */
630 inp->in6p_cksum = -1;
631 inp->in6p_icmp6filt = filter;
632 ICMP6_FILTER_SETPASSALL(inp->in6p_icmp6filt);
638 rip6_detach(struct socket *so)
643 KASSERT(inp != NULL, ("rip6_detach: inp == NULL"));
645 if (so == V_ip6_mrouter && ip6_mrouter_done)
648 INP_INFO_WLOCK(&V_ripcbinfo);
650 free(inp->in6p_icmp6filt, M_PCB);
653 INP_INFO_WUNLOCK(&V_ripcbinfo);
656 /* XXXRW: This can't ever be called. */
658 rip6_abort(struct socket *so)
663 KASSERT(inp != NULL, ("rip6_abort: inp == NULL"));
665 soisdisconnected(so);
669 rip6_close(struct socket *so)
674 KASSERT(inp != NULL, ("rip6_close: inp == NULL"));
676 soisdisconnected(so);
680 rip6_disconnect(struct socket *so)
685 KASSERT(inp != NULL, ("rip6_disconnect: inp == NULL"));
687 if ((so->so_state & SS_ISCONNECTED) == 0)
689 inp->in6p_faddr = in6addr_any;
695 rip6_bind(struct socket *so, struct sockaddr *nam, struct thread *td)
698 struct sockaddr_in6 *addr = (struct sockaddr_in6 *)nam;
699 struct ifaddr *ifa = NULL;
703 KASSERT(inp != NULL, ("rip6_bind: inp == NULL"));
705 if (nam->sa_len != sizeof(*addr))
707 if ((error = prison_check_ip6(td->td_ucred, &addr->sin6_addr)) != 0)
709 if (TAILQ_EMPTY(&V_ifnet) || addr->sin6_family != AF_INET6)
710 return (EADDRNOTAVAIL);
711 if ((error = sa6_embedscope(addr, V_ip6_use_defzone)) != 0)
714 if (!IN6_IS_ADDR_UNSPECIFIED(&addr->sin6_addr) &&
715 (ifa = ifa_ifwithaddr((struct sockaddr *)addr)) == NULL)
716 return (EADDRNOTAVAIL);
718 ((struct in6_ifaddr *)ifa)->ia6_flags &
719 (IN6_IFF_ANYCAST|IN6_IFF_NOTREADY|
720 IN6_IFF_DETACHED|IN6_IFF_DEPRECATED)) {
722 return (EADDRNOTAVAIL);
726 INP_INFO_WLOCK(&V_ripcbinfo);
728 inp->in6p_laddr = addr->sin6_addr;
730 INP_INFO_WUNLOCK(&V_ripcbinfo);
735 rip6_connect(struct socket *so, struct sockaddr *nam, struct thread *td)
738 struct sockaddr_in6 *addr = (struct sockaddr_in6 *)nam;
739 struct in6_addr in6a;
740 struct ifnet *ifp = NULL;
741 int error = 0, scope_ambiguous = 0;
744 KASSERT(inp != NULL, ("rip6_connect: inp == NULL"));
746 if (nam->sa_len != sizeof(*addr))
748 if (TAILQ_EMPTY(&V_ifnet))
749 return (EADDRNOTAVAIL);
750 if (addr->sin6_family != AF_INET6)
751 return (EAFNOSUPPORT);
754 * Application should provide a proper zone ID or the use of default
755 * zone IDs should be enabled. Unfortunately, some applications do
756 * not behave as it should, so we need a workaround. Even if an
757 * appropriate ID is not determined, we'll see if we can determine
758 * the outgoing interface. If we can, determine the zone ID based on
759 * the interface below.
761 if (addr->sin6_scope_id == 0 && !V_ip6_use_defzone)
763 if ((error = sa6_embedscope(addr, V_ip6_use_defzone)) != 0)
766 INP_INFO_WLOCK(&V_ripcbinfo);
768 /* Source address selection. XXX: need pcblookup? */
769 error = in6_selectsrc(addr, inp->in6p_outputopts,
770 inp, NULL, so->so_cred, &ifp, &in6a);
773 INP_INFO_WUNLOCK(&V_ripcbinfo);
778 if (ifp && scope_ambiguous &&
779 (error = in6_setscope(&addr->sin6_addr, ifp, NULL)) != 0) {
781 INP_INFO_WUNLOCK(&V_ripcbinfo);
784 inp->in6p_faddr = addr->sin6_addr;
785 inp->in6p_laddr = in6a;
788 INP_INFO_WUNLOCK(&V_ripcbinfo);
793 rip6_shutdown(struct socket *so)
798 KASSERT(inp != NULL, ("rip6_shutdown: inp == NULL"));
807 rip6_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam,
808 struct mbuf *control, struct thread *td)
811 struct sockaddr_in6 tmp;
812 struct sockaddr_in6 *dst;
816 KASSERT(inp != NULL, ("rip6_send: inp == NULL"));
818 /* Always copy sockaddr to avoid overwrites. */
820 if (so->so_state & SS_ISCONNECTED) {
826 bzero(&tmp, sizeof(tmp));
827 tmp.sin6_family = AF_INET6;
828 tmp.sin6_len = sizeof(struct sockaddr_in6);
830 bcopy(&inp->in6p_faddr, &tmp.sin6_addr,
831 sizeof(struct in6_addr));
839 if (nam->sa_len != sizeof(struct sockaddr_in6)) {
843 tmp = *(struct sockaddr_in6 *)nam;
846 if (dst->sin6_family == AF_UNSPEC) {
848 * XXX: we allow this case for backward
849 * compatibility to buggy applications that
850 * rely on old (and wrong) kernel behavior.
852 log(LOG_INFO, "rip6 SEND: address family is "
853 "unspec. Assume AF_INET6\n");
854 dst->sin6_family = AF_INET6;
855 } else if (dst->sin6_family != AF_INET6) {
857 return(EAFNOSUPPORT);
860 ret = rip6_output(m, so, dst, control);
864 struct pr_usrreqs rip6_usrreqs = {
865 .pru_abort = rip6_abort,
866 .pru_attach = rip6_attach,
867 .pru_bind = rip6_bind,
868 .pru_connect = rip6_connect,
869 .pru_control = in6_control,
870 .pru_detach = rip6_detach,
871 .pru_disconnect = rip6_disconnect,
872 .pru_peeraddr = in6_getpeeraddr,
873 .pru_send = rip6_send,
874 .pru_shutdown = rip6_shutdown,
875 .pru_sockaddr = in6_getsockaddr,
876 .pru_close = rip6_close,