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in6_proto.c (202469) in6_proto.c (207369)
1/*-
2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 * @(#)in_proto.c 8.1 (Berkeley) 6/10/93
61 */
62
63#include <sys/cdefs.h>
1/*-
2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 * @(#)in_proto.c 8.1 (Berkeley) 6/10/93
61 */
62
63#include <sys/cdefs.h>
64__FBSDID("$FreeBSD: head/sys/netinet6/in6_proto.c 202469 2010-01-17 13:07:52Z bz $");
64__FBSDID("$FreeBSD: head/sys/netinet6/in6_proto.c 207369 2010-04-29 11:52:42Z bz $");
65
66#include "opt_inet.h"
67#include "opt_inet6.h"
68#include "opt_ipsec.h"
69#include "opt_ipstealth.h"
70#include "opt_carp.h"
71#include "opt_sctp.h"
72#include "opt_mpath.h"

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229 .pr_type = SOCK_RAW,
230 .pr_domain = &inet6domain,
231 .pr_protocol = IPPROTO_ICMPV6,
232 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
233 .pr_input = icmp6_input,
234 .pr_output = rip6_output,
235 .pr_ctlinput = rip6_ctlinput,
236 .pr_ctloutput = rip6_ctloutput,
65
66#include "opt_inet.h"
67#include "opt_inet6.h"
68#include "opt_ipsec.h"
69#include "opt_ipstealth.h"
70#include "opt_carp.h"
71#include "opt_sctp.h"
72#include "opt_mpath.h"

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229 .pr_type = SOCK_RAW,
230 .pr_domain = &inet6domain,
231 .pr_protocol = IPPROTO_ICMPV6,
232 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
233 .pr_input = icmp6_input,
234 .pr_output = rip6_output,
235 .pr_ctlinput = rip6_ctlinput,
236 .pr_ctloutput = rip6_ctloutput,
237 .pr_init = icmp6_init,
238 .pr_fasttimo = icmp6_fasttimo,
239 .pr_slowtimo = icmp6_slowtimo,
240 .pr_usrreqs = &rip6_usrreqs
241},
242{
243 .pr_type = SOCK_RAW,
244 .pr_domain = &inet6domain,
245 .pr_protocol = IPPROTO_DSTOPTS,

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373 .dom_ifdetach = in6_domifdetach
374};
375
376VNET_DOMAIN_SET(inet6);
377
378/*
379 * Internet configuration info
380 */
237 .pr_fasttimo = icmp6_fasttimo,
238 .pr_slowtimo = icmp6_slowtimo,
239 .pr_usrreqs = &rip6_usrreqs
240},
241{
242 .pr_type = SOCK_RAW,
243 .pr_domain = &inet6domain,
244 .pr_protocol = IPPROTO_DSTOPTS,

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372 .dom_ifdetach = in6_domifdetach
373};
374
375VNET_DOMAIN_SET(inet6);
376
377/*
378 * Internet configuration info
379 */
381VNET_DEFINE(int, ip6_forwarding);
382VNET_DEFINE(int, ip6_sendredirects);
383VNET_DEFINE(int, ip6_defhlim);
384VNET_DEFINE(int, ip6_defmcasthlim);
385VNET_DEFINE(int, ip6_accept_rtadv);
386VNET_DEFINE(int, ip6_maxfragpackets);
387VNET_DEFINE(int, ip6_maxfrags);
388VNET_DEFINE(int, ip6_log_interval);
389VNET_DEFINE(int, ip6_hdrnestlimit);
390VNET_DEFINE(int, ip6_dad_count);
391VNET_DEFINE(int, ip6_auto_flowlabel);
392VNET_DEFINE(int, ip6_use_deprecated);
393VNET_DEFINE(int, ip6_rr_prune);
394VNET_DEFINE(int, ip6_mcast_pmtu);
395VNET_DEFINE(int, ip6_v6only);
396VNET_DEFINE(int, ip6_keepfaith);
397VNET_DEFINE(time_t, ip6_log_time);
398VNET_DEFINE(int, ip6stealth);
399VNET_DEFINE(int, nd6_onlink_ns_rfc4861);
380#ifndef IPV6FORWARDING
381#ifdef GATEWAY6
382#define IPV6FORWARDING 1 /* forward IP6 packets not for us */
383#else
384#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
385#endif /* GATEWAY6 */
386#endif /* !IPV6FORWARDING */
400
387
388#ifndef IPV6_SENDREDIRECTS
389#define IPV6_SENDREDIRECTS 1
390#endif
391
392VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */
393VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS;
394VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM;
395VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS;
396VNET_DEFINE(int, ip6_accept_rtadv) = 0;
397VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */
398VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */
399VNET_DEFINE(int, ip6_log_interval) = 5;
400VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we
401 * process? */
402VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */
403VNET_DEFINE(int, ip6_auto_flowlabel) = 1;
404VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr
405 * (RFC2462 5.5.4) */
406VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix
407 * walk list every 5 sec. */
408VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */
409VNET_DEFINE(int, ip6_v6only) = 1;
410
411VNET_DEFINE(int, ip6_keepfaith) = 0;
412VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L;
413#ifdef IPSTEALTH
414VNET_DEFINE(int, ip6stealth) = 0;
415#endif
416VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS
417 * (RFC 4861) */
418
401/* icmp6 */
402/*
403 * BSDI4 defines these variables in in_proto.c...
404 * XXX: what if we don't define INET? Should we define pmtu6_expire
405 * or so? (jinmei@kame.net 19990310)
406 */
419/* icmp6 */
420/*
421 * BSDI4 defines these variables in in_proto.c...
422 * XXX: what if we don't define INET? Should we define pmtu6_expire
423 * or so? (jinmei@kame.net 19990310)
424 */
407VNET_DEFINE(int, pmtu_expire);
408VNET_DEFINE(int, pmtu_probe);
425VNET_DEFINE(int, pmtu_expire) = 60*10;
426VNET_DEFINE(int, pmtu_probe) = 60*2;
409
410/* raw IP6 parameters */
411/*
412 * Nominal space allocated to a raw ip socket.
413 */
427
428/* raw IP6 parameters */
429/*
430 * Nominal space allocated to a raw ip socket.
431 */
414VNET_DEFINE(u_long, rip6_sendspace);
415VNET_DEFINE(u_long, rip6_recvspace);
432#define RIPV6SNDQ 8192
433#define RIPV6RCVQ 8192
416
434
435VNET_DEFINE(u_long, rip6_sendspace) = RIPV6SNDQ;
436VNET_DEFINE(u_long, rip6_recvspace) = RIPV6RCVQ;
437
417/* ICMPV6 parameters */
438/* ICMPV6 parameters */
418VNET_DEFINE(int, icmp6_rediraccept);
419VNET_DEFINE(int, icmp6_redirtimeout);
420VNET_DEFINE(int, icmp6errppslim);
439VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */
440VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */
441VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */
421/* control how to respond to NI queries */
442/* control how to respond to NI queries */
422VNET_DEFINE(int, icmp6_nodeinfo);
443VNET_DEFINE(int, icmp6_nodeinfo) =
444 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
423
424/* UDP on IP6 parameters */
445
446/* UDP on IP6 parameters */
425VNET_DEFINE(int, udp6_sendspace);
426VNET_DEFINE(int, udp6_recvspace);
447VNET_DEFINE(int, udp6_sendspace) = 9216;/* really max datagram size */
448VNET_DEFINE(int, udp6_recvspace) = 40 * (1024 + sizeof(struct sockaddr_in6));
449 /* 40 1K datagrams */
427
428/*
429 * sysctl related items.
430 */
431SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
432 "Internet6 Family");
433
434/* net.inet6 */

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566SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
567 &VNET_NAME(icmp6_nodeinfo), 0, "");
568SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
569 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
570SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
571 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
572SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
573 &VNET_NAME(nd6_debug), 0, "");
450
451/*
452 * sysctl related items.
453 */
454SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
455 "Internet6 Family");
456
457/* net.inet6 */

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589SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
590 &VNET_NAME(icmp6_nodeinfo), 0, "");
591SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
592 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
593SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
594 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
595SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
596 &VNET_NAME(nd6_debug), 0, "");
574
575SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
576 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
577 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
597SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
598 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
599 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");