Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/netinet6/in6_proto.c
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1 /* $FreeBSD: releng/5.2/sys/netinet6/in6_proto.c 122077 2003-11-04 20:22:33Z ume $ */ 2 /* $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $ */ 3 4 /* 5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 /* 34 * Copyright (c) 1982, 1986, 1993 35 * The Regents of the University of California. All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. All advertising materials mentioning features or use of this software 46 * must display the following acknowledgement: 47 * This product includes software developed by the University of 48 * California, Berkeley and its contributors. 49 * 4. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 * 65 * @(#)in_proto.c 8.1 (Berkeley) 6/10/93 66 */ 67 68 #include "opt_inet.h" 69 #include "opt_inet6.h" 70 #include "opt_ipsec.h" 71 #include "opt_random_ip_id.h" 72 73 #include <sys/param.h> 74 #include <sys/socket.h> 75 #include <sys/socketvar.h> 76 #include <sys/protosw.h> 77 #include <sys/kernel.h> 78 #include <sys/domain.h> 79 #include <sys/mbuf.h> 80 #include <sys/systm.h> 81 #include <sys/sysctl.h> 82 83 #include <net/if.h> 84 #include <net/radix.h> 85 #include <net/route.h> 86 87 #include <netinet/in.h> 88 #include <netinet/in_systm.h> 89 #include <netinet/in_var.h> 90 #include <netinet/ip_encap.h> 91 #include <netinet/ip.h> 92 #include <netinet/ip_var.h> 93 #include <netinet/ip6.h> 94 #include <netinet6/ip6_var.h> 95 #include <netinet/icmp6.h> 96 97 #include <netinet/tcp.h> 98 #include <netinet/tcp_timer.h> 99 #include <netinet/tcp_var.h> 100 #include <netinet/udp.h> 101 #include <netinet/udp_var.h> 102 #include <netinet6/tcp6_var.h> 103 #include <netinet6/raw_ip6.h> 104 #include <netinet6/udp6_var.h> 105 #include <netinet6/pim6_var.h> 106 #include <netinet6/nd6.h> 107 #include <netinet6/in6_prefix.h> 108 109 #ifdef IPSEC 110 #include <netinet6/ipsec.h> 111 #ifdef INET6 112 #include <netinet6/ipsec6.h> 113 #endif 114 #include <netinet6/ah.h> 115 #ifdef INET6 116 #include <netinet6/ah6.h> 117 #endif 118 #ifdef IPSEC_ESP 119 #include <netinet6/esp.h> 120 #ifdef INET6 121 #include <netinet6/esp6.h> 122 #endif 123 #endif 124 #include <netinet6/ipcomp.h> 125 #ifdef INET6 126 #include <netinet6/ipcomp6.h> 127 #endif 128 #endif /* IPSEC */ 129 130 #ifdef FAST_IPSEC 131 #include <netipsec/ipsec6.h> 132 #define IPSEC 133 #define IPSEC_ESP 134 #define ah6_input ipsec6_common_input 135 #define esp6_input ipsec6_common_input 136 #define ipcomp6_input ipsec6_common_input 137 #endif /* FAST_IPSEC */ 138 139 #include <netinet6/ip6protosw.h> 140 141 #include <net/net_osdep.h> 142 143 /* 144 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 145 */ 146 147 extern struct domain inet6domain; 148 static struct pr_usrreqs nousrreqs; 149 150 #define PR_LISTEN 0 151 #define PR_ABRTACPTDIS 0 152 153 struct ip6protosw inet6sw[] = { 154 { 0, &inet6domain, IPPROTO_IPV6, 0, 155 0, 0, 0, 0, 156 0, 157 ip6_init, 0, frag6_slowtimo, frag6_drain, 158 &nousrreqs, 159 }, 160 { SOCK_DGRAM, &inet6domain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR, 161 udp6_input, 0, udp6_ctlinput, ip6_ctloutput, 162 0, 163 0, 0, 0, 0, 164 &udp6_usrreqs, 165 }, 166 { SOCK_STREAM, &inet6domain, IPPROTO_TCP, PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 167 tcp6_input, 0, tcp6_ctlinput, tcp_ctloutput, 168 0, 169 #ifdef INET /* don't call initialization and timeout routines twice */ 170 0, 0, 0, tcp_drain, 171 #else 172 tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain, 173 #endif 174 &tcp6_usrreqs, 175 }, 176 { SOCK_RAW, &inet6domain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR, 177 rip6_input, rip6_output, rip6_ctlinput, rip6_ctloutput, 178 0, 179 0, 0, 0, 0, 180 &rip6_usrreqs 181 }, 182 { SOCK_RAW, &inet6domain, IPPROTO_ICMPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 183 icmp6_input, rip6_output, rip6_ctlinput, rip6_ctloutput, 184 0, 185 icmp6_init, icmp6_fasttimo, 0, 0, 186 &rip6_usrreqs 187 }, 188 { SOCK_RAW, &inet6domain, IPPROTO_DSTOPTS,PR_ATOMIC|PR_ADDR, 189 dest6_input, 0, 0, 0, 190 0, 191 0, 0, 0, 0, 192 &nousrreqs 193 }, 194 { SOCK_RAW, &inet6domain, IPPROTO_ROUTING,PR_ATOMIC|PR_ADDR, 195 route6_input, 0, 0, 0, 196 0, 197 0, 0, 0, 0, 198 &nousrreqs 199 }, 200 { SOCK_RAW, &inet6domain, IPPROTO_FRAGMENT,PR_ATOMIC|PR_ADDR, 201 frag6_input, 0, 0, 0, 202 0, 203 0, 0, 0, 0, 204 &nousrreqs 205 }, 206 #ifdef IPSEC 207 { SOCK_RAW, &inet6domain, IPPROTO_AH, PR_ATOMIC|PR_ADDR, 208 ah6_input, 0, 0, 0, 209 0, 210 0, 0, 0, 0, 211 &nousrreqs, 212 }, 213 #ifdef IPSEC_ESP 214 { SOCK_RAW, &inet6domain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR, 215 esp6_input, 0, 216 esp6_ctlinput, 217 0, 218 0, 219 0, 0, 0, 0, 220 &nousrreqs, 221 }, 222 #endif 223 { SOCK_RAW, &inet6domain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR, 224 ipcomp6_input, 0, 0, 0, 225 0, 226 0, 0, 0, 0, 227 &nousrreqs, 228 }, 229 #endif /* IPSEC */ 230 #ifdef INET 231 { SOCK_RAW, &inet6domain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 232 encap6_input, rip6_output, 0, rip6_ctloutput, 233 0, 234 encap_init, 0, 0, 0, 235 &rip6_usrreqs 236 }, 237 #endif /* INET */ 238 { SOCK_RAW, &inet6domain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 239 encap6_input, rip6_output, 0, rip6_ctloutput, 240 0, 241 encap_init, 0, 0, 0, 242 &rip6_usrreqs 243 }, 244 { SOCK_RAW, &inet6domain, IPPROTO_PIM, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 245 pim6_input, rip6_output, 0, rip6_ctloutput, 246 0, 247 0, 0, 0, 0, 248 &rip6_usrreqs 249 }, 250 /* raw wildcard */ 251 { SOCK_RAW, &inet6domain, 0, PR_ATOMIC|PR_ADDR, 252 rip6_input, rip6_output, 0, rip6_ctloutput, 253 0, 254 0, 0, 0, 0, 255 &rip6_usrreqs 256 }, 257 }; 258 259 extern int in6_inithead __P((void **, int)); 260 261 struct domain inet6domain = 262 { AF_INET6, "internet6", 0, 0, 0, 263 (struct protosw *)inet6sw, 264 (struct protosw *)&inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 0, 265 in6_inithead, 266 offsetof(struct sockaddr_in6, sin6_addr) << 3, 267 sizeof(struct sockaddr_in6), 268 in6_domifattach, in6_domifdetach, }; 269 270 DOMAIN_SET(inet6); 271 272 /* 273 * Internet configuration info 274 */ 275 #ifndef IPV6FORWARDING 276 #ifdef GATEWAY6 277 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 278 #else 279 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 280 #endif /* GATEWAY6 */ 281 #endif /* !IPV6FORWARDING */ 282 283 #ifndef IPV6_SENDREDIRECTS 284 #define IPV6_SENDREDIRECTS 1 285 #endif 286 287 int ip6_forwarding = IPV6FORWARDING; /* act as router? */ 288 int ip6_sendredirects = IPV6_SENDREDIRECTS; 289 int ip6_defhlim = IPV6_DEFHLIM; 290 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS; 291 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */ 292 int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */ 293 int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */ 294 int ip6_log_interval = 5; 295 int ip6_hdrnestlimit = 50; /* appropriate? */ 296 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */ 297 #ifndef RANDOM_IP_ID 298 u_int32_t ip6_flow_seq; 299 #endif 300 int ip6_auto_flowlabel = 1; 301 int ip6_gif_hlim = 0; 302 int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */ 303 int ip6_rr_prune = 5; /* router renumbering prefix 304 * walk list every 5 sec. */ 305 int ip6_v6only = 1; 306 307 #ifndef RANDOM_IP_ID 308 u_int32_t ip6_id = 0UL; 309 #endif 310 int ip6_keepfaith = 0; 311 time_t ip6_log_time = (time_t)0L; 312 313 /* icmp6 */ 314 /* 315 * BSDI4 defines these variables in in_proto.c... 316 * XXX: what if we don't define INET? Should we define pmtu6_expire 317 * or so? (jinmei@kame.net 19990310) 318 */ 319 int pmtu_expire = 60*10; 320 int pmtu_probe = 60*2; 321 322 /* raw IP6 parameters */ 323 /* 324 * Nominal space allocated to a raw ip socket. 325 */ 326 #define RIPV6SNDQ 8192 327 #define RIPV6RCVQ 8192 328 329 u_long rip6_sendspace = RIPV6SNDQ; 330 u_long rip6_recvspace = RIPV6RCVQ; 331 332 /* ICMPV6 parameters */ 333 int icmp6_rediraccept = 1; /* accept and process redirects */ 334 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */ 335 int icmp6errppslim = 100; /* 100pps */ 336 int icmp6_nodeinfo = 3; /* enable/disable NI response */ 337 338 /* UDP on IP6 parameters */ 339 int udp6_sendspace = 9216; /* really max datagram size */ 340 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6)); 341 /* 40 1K datagrams */ 342 343 /* 344 * sysctl related items. 345 */ 346 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 347 "Internet6 Family"); 348 349 /* net.inet6 */ 350 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 351 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 352 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 353 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 354 #ifdef IPSEC 355 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 356 #endif /* IPSEC */ 357 358 /* net.inet6.ip6 */ 359 static int 360 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 361 { 362 int error = 0; 363 int old; 364 365 error = SYSCTL_OUT(req, arg1, sizeof(int)); 366 if (error || !req->newptr) 367 return (error); 368 old = ip6_temp_preferred_lifetime; 369 error = SYSCTL_IN(req, arg1, sizeof(int)); 370 if (ip6_temp_preferred_lifetime < 371 ip6_desync_factor + ip6_temp_regen_advance) { 372 ip6_temp_preferred_lifetime = old; 373 return (EINVAL); 374 } 375 return (error); 376 } 377 378 static int 379 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 380 { 381 int error = 0; 382 int old; 383 384 error = SYSCTL_OUT(req, arg1, sizeof(int)); 385 if (error || !req->newptr) 386 return (error); 387 old = ip6_temp_valid_lifetime; 388 error = SYSCTL_IN(req, arg1, sizeof(int)); 389 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) { 390 ip6_temp_preferred_lifetime = old; 391 return (EINVAL); 392 } 393 return (error); 394 } 395 396 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, 397 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, ""); 398 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 399 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, ""); 400 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, 401 hlim, CTLFLAG_RW, &ip6_defhlim, 0, ""); 402 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 403 &ip6stat, ip6stat, ""); 404 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 405 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, ""); 406 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 407 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, ""); 408 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, 409 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, ""); 410 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 411 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, ""); 412 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 413 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, ""); 414 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, 415 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, ""); 416 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 417 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, ""); 418 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 419 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, ""); 420 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, 421 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, ""); 422 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 423 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 424 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 425 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, ""); 426 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, 427 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, ""); 428 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, 429 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, ""); 430 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 431 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0, 432 sysctl_ip6_temppltime, "I", ""); 433 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 434 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0, 435 sysctl_ip6_tempvltime, "I", ""); 436 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, 437 v6only, CTLFLAG_RW, &ip6_v6only, 0, ""); 438 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 439 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, ""); 440 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 441 &rip6stat, rip6stat, ""); 442 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 443 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, ""); 444 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, 445 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, ""); 446 447 /* net.inet6.icmp6 */ 448 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 449 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, ""); 450 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 451 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, ""); 452 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 453 &icmp6stat, icmp6stat, ""); 454 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 455 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, ""); 456 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 457 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, ""); 458 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 459 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, ""); 460 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 461 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, ""); 462 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 463 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, ""); 464 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, 465 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, ""); 466 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 467 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, ""); 468 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 469 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, ""); 470 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 471 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, "");
Cache object: 0be810380b862474d927b017875ac672
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