in6_proto.c revision 1.1.2.1
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 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. 16 * 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 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Copyright (c) 1982, 1986, 1993 32 * The Regents of the University of California. All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. All advertising materials mentioning features or use of this software 43 * must display the following acknowledgement: 44 * This product includes software developed by the University of 45 * California, Berkeley and its contributors. 46 * 4. Neither the name of the University nor the names of its contributors 47 * may be used to endorse or promote products derived from this software 48 * without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60 * SUCH DAMAGE. 61 * 62 * @(#)in_proto.c 8.1 (Berkeley) 6/10/93 63 */ 64 65 #if (defined(__FreeBSD__) && __FreeBSD__ >= 3) || defined(__NetBSD__) 66 #include "opt_inet.h" 67 #endif 68 69 #include <sys/param.h> 70 #include <sys/socket.h> 71 #include <sys/protosw.h> 72 #include <sys/kernel.h> 73 #include <sys/domain.h> 74 #include <sys/mbuf.h> 75 76 #include <net/if.h> 77 #ifdef RADISH 78 #include <net/radish.h> 79 #else /* RADISH */ 80 #include <net/radix.h> 81 #endif /* RADISH */ 82 #include <net/route.h> 83 84 #include <netinet/in.h> 85 #include <netinet/in_systm.h> 86 #include <netinet/in_var.h> 87 #include <netinet6/in6_systm.h> 88 #if (defined(__FreeBSD__) && __FreeBSD__ >= 3) || (defined(__NetBSD__) && !defined(TCP6)) 89 #include <netinet/ip.h> 90 #include <netinet/ip_var.h> 91 #endif 92 #if defined(__NetBSD__) && !defined(TCP6) 93 #include <netinet/in_pcb.h> 94 #endif 95 #include <netinet6/ip6.h> 96 #include <netinet6/ip6_var.h> 97 #include <netinet6/icmp6.h> 98 #if !defined(__FreeBSD__) || __FreeBSD__ < 3 99 #include <netinet6/in6_pcb.h> 100 #endif 101 102 #if (defined(__FreeBSD__) && __FreeBSD__ >= 3) 103 #include <netinet/tcp.h> 104 #include <netinet/tcp_timer.h> 105 #include <netinet/tcp_var.h> 106 #include <netinet/udp.h> 107 #include <netinet/udp_var.h> 108 #else 109 #if defined(__NetBSD__) && !defined(TCP6) 110 #include <netinet/tcp.h> 111 #include <netinet/tcp_fsm.h> 112 #include <netinet/tcp_seq.h> 113 #include <netinet/tcp_timer.h> 114 #include <netinet/tcp_var.h> 115 #include <netinet/tcpip.h> 116 #include <netinet/tcp_debug.h> 117 #else 118 #include <netinet6/tcp6.h> 119 #include <netinet6/tcp6_fsm.h> 120 #include <netinet6/tcp6_seq.h> 121 #include <netinet6/tcp6_timer.h> 122 #include <netinet6/tcp6_var.h> 123 #endif 124 #endif 125 126 #include <netinet6/udp6.h> 127 #include <netinet6/udp6_var.h> 128 129 #include <netinet6/pim6_var.h> 130 131 #include <netinet6/nd6.h> 132 133 #ifdef IPSEC 134 #include <netinet6/ah.h> 135 #ifdef IPSEC_ESP 136 #include <netinet6/esp.h> 137 #endif 138 #include <netinet6/ipcomp.h> 139 #endif /*IPSEC*/ 140 141 #include <netinet6/ip6protosw.h> 142 143 #include "gif.h" 144 #if NGIF > 0 145 #include <netinet6/in6_gif.h> 146 #endif 147 148 #define offsetof(type, member) ((size_t)(&((type *)0)->member)) 149 150 /* 151 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 152 */ 153 154 extern struct domain inet6domain; 155 156 struct ip6protosw inet6sw[] = { 157 { 0, &inet6domain, IPPROTO_IPV6, 0, 158 0, 0, 0, 0, 159 0, 160 ip6_init, 0, frag6_slowtimo, frag6_drain, ip6_sysctl 161 }, 162 { SOCK_DGRAM, &inet6domain, IPPROTO_UDP, PR_ATOMIC | PR_ADDR, 163 udp6_input, 0, udp6_ctlinput, ip6_ctloutput, 164 udp6_usrreq, 165 udp6_init, 0, 0, 0, udp6_sysctl 166 }, 167 #ifdef TCP6 168 { SOCK_STREAM, &inet6domain, IPPROTO_TCP, PR_CONNREQUIRED | PR_WANTRCVD, 169 tcp6_input, 0, tcp6_ctlinput, tcp6_ctloutput, 170 tcp6_usrreq, 171 tcp6_init, tcp6_fasttimo, tcp6_slowtimo, tcp6_drain, tcp6_sysctl 172 }, 173 #else 174 { SOCK_STREAM, &inet6domain, IPPROTO_TCP, PR_CONNREQUIRED | PR_WANTRCVD, 175 tcp6_input, 0, tcp6_ctlinput, tcp_ctloutput, 176 tcp_usrreq, 177 tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain, tcp_sysctl 178 }, 179 #endif 180 { SOCK_RAW, &inet6domain, IPPROTO_RAW, PR_ATOMIC | PR_ADDR, 181 rip6_input, rip6_output, 0, rip6_ctloutput, 182 rip6_usrreq, 183 0, 0, 0, 0, 0 184 }, 185 { SOCK_RAW, &inet6domain, IPPROTO_ICMPV6, PR_ATOMIC | PR_ADDR, 186 icmp6_input, rip6_output, 0, rip6_ctloutput, 187 rip6_usrreq, 188 icmp6_init, icmp6_fasttimo, 0, 0, icmp6_sysctl 189 }, 190 { SOCK_RAW, &inet6domain, IPPROTO_DSTOPTS,PR_ATOMIC|PR_ADDR, 191 dest6_input, 0, 0, 0, 192 0, 193 0, 0, 0, 0, 194 }, 195 { SOCK_RAW, &inet6domain, IPPROTO_ROUTING,PR_ATOMIC|PR_ADDR, 196 route6_input, 0, 0, 0, 197 0, 198 0, 0, 0, 0, 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 }, 205 #ifdef IPSEC 206 { SOCK_RAW, &inet6domain, IPPROTO_AH, PR_ATOMIC|PR_ADDR, 207 ah6_input, 0, 0, 0, 208 0, 209 0, 0, 0, 0, ipsec6_sysctl 210 }, 211 #ifdef IPSEC_ESP 212 { SOCK_RAW, &inet6domain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR, 213 esp6_input, 0, 0, 0, 214 0, 215 0, 0, 0, 0, ipsec6_sysctl 216 }, 217 #endif 218 { SOCK_RAW, &inet6domain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR, 219 ipcomp6_input, 0, 0, 0, 220 0, 221 0, 0, 0, 0, ipsec6_sysctl 222 }, 223 #endif /* IPSEC */ 224 #if NGIF > 0 225 { SOCK_RAW, &inet6domain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR, 226 in6_gif_input,0, 0, 0, 227 0, 228 0, 0, 0, 0, 229 }, 230 #ifdef INET6 231 { SOCK_RAW, &inet6domain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR, 232 in6_gif_input,0, 0, 0, 233 0, 234 0, 0, 0, 0, 235 }, 236 #endif /* INET6 */ 237 #endif /* GIF */ 238 { SOCK_RAW, &inet6domain, IPPROTO_PIM, PR_ATOMIC|PR_ADDR, 239 pim6_input, rip6_output, 0, rip6_ctloutput, 240 rip6_usrreq, 241 0, 0, 0, 0, 242 }, 243 /* raw wildcard */ 244 { SOCK_RAW, &inet6domain, 0, PR_ATOMIC | PR_ADDR, 245 rip6_input, rip6_output, 0, rip6_ctloutput, 246 rip6_usrreq, 247 rip6_init, 0, 0, 0, 248 }, 249 }; 250 251 #ifdef RADISH 252 struct domain inet6domain = 253 { AF_INET6, "internet6", 0, 0, 0, 254 inet6sw, &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 0, 255 rn_inithead, sizeof(struct sockaddr_in6), 8, 16, 256 in6_rd_match}; 257 #else /* RADISH */ 258 struct domain inet6domain = 259 { AF_INET6, "internet6", 0, 0, 0, 260 (struct protosw *)inet6sw, 261 (struct protosw *)&inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 0, 262 rn_inithead, offsetof(struct sockaddr_in6, sin6_addr) << 3, 263 sizeof(struct sockaddr_in6) }; 264 #endif /* RADISH */ 265 266 #ifdef __FreeBSD__ 267 DOMAIN_SET(inet6); 268 #endif 269 270 /* 271 * Internet configuration info 272 */ 273 #ifndef IPV6FORWARDING 274 #ifdef GATEWAY6 275 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 276 #else 277 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 278 #endif /* GATEWAY6 */ 279 #endif /* !IPV6FORWARDING */ 280 281 #ifndef IPV6_SENDREDIRECTS 282 #define IPV6_SENDREDIRECTS 1 283 #endif 284 285 int ip6_forwarding = IPV6FORWARDING; /* act as router? */ 286 int ip6_sendredirects = IPV6_SENDREDIRECTS; 287 int ip6_defhlim = IPV6_DEFHLIM; 288 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS; 289 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */ 290 int ip6_maxfragpackets = 200; 291 int ip6_log_interval = 5; 292 int ip6_hdrnestlimit = 50; /* appropriate? */ 293 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */ 294 u_int32_t ip6_flow_seq; 295 int ip6_auto_flowlabel = 1; 296 #if NGIF > 0 297 int ip6_gif_hlim = GIF_HLIM; 298 #else 299 int ip6_gif_hlim = 0; 300 #endif 301 302 u_long ip6_id = 0UL; 303 int ip6_keepfaith = 0; 304 time_t ip6_log_time = (time_t)0L; 305 306 #ifdef MAPPED_ADDR_ENABLED 307 int ip6_mapped_addr_on = 0; 308 #endif /* MAPPED_ADDR_ENABLED */ 309 310 /* icmp6 */ 311 int pmtu_expire = 60*10; 312 int pmtu_probe = 60*2; 313 314 /* raw IP6 parameters */ 315 /* 316 * Nominal space allocated to a raw ip socket. 317 */ 318 #define RIPV6SNDQ 8192 319 #define RIPV6RCVQ 8192 320 321 u_long rip6_sendspace = RIPV6SNDQ; 322 u_long rip6_recvspace = RIPV6RCVQ; 323 324 /* ICMPV6 parameters */ 325 int icmp6_rediraccept = 1; /* accept and process redirects */ 326 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */ 327 u_int icmp6errratelim = 1000; /* 1000usec = 1msec */ 328 329 #ifdef TCP6 330 /* TCP on IP6 parameters */ 331 int tcp6_sendspace = 1024 * 8; 332 int tcp6_recvspace = 1024 * 8; 333 int tcp6_mssdflt = TCP6_MSS; 334 int tcp6_rttdflt = TCP6TV_SRTTDFLT / PR_SLOWHZ; 335 int tcp6_do_rfc1323 = 1; 336 int tcp6_conntimeo = TCP6TV_KEEP_INIT; /* initial connection timeout */ 337 int tcp6_43maxseg = 0; 338 int tcp6_pmtu = 0; 339 340 /* 341 * Parameters for keepalive option. 342 * Connections for which SO_KEEPALIVE is set will be probed 343 * after being idle for a time of tcp6_keepidle (in units of PR_SLOWHZ). 344 * Starting at that time, the connection is probed at intervals 345 * of tcp6_keepintvl (same units) until a response is received 346 * or until tcp6_keepcnt probes have been made, at which time 347 * the connection is dropped. Note that a tcp6_keepidle value 348 * under 2 hours is nonconformant with RFC-1122, Internet Host Requirements. 349 */ 350 int tcp6_keepidle = TCP6TV_KEEP_IDLE; /* time before probing idle */ 351 int tcp6_keepintvl = TCP6TV_KEEPINTVL; /* interval betwn idle probes */ 352 int tcp6_keepcnt = TCP6TV_KEEPCNT; /* max idle probes */ 353 int tcp6_maxpersistidle = TCP6TV_KEEP_IDLE; /* max idle time in persist */ 354 355 #ifndef INET_SERVER 356 #define TCP6_LISTEN_HASH_SIZE 17 357 #define TCP6_CONN_HASH_SIZE 97 358 #define TCP6_SYN_HASH_SIZE 293 359 #define TCP6_SYN_BUCKET_SIZE 35 360 #else 361 #define TCP6_LISTEN_HASH_SIZE 97 362 #define TCP6_CONN_HASH_SIZE 9973 363 #define TCP6_SYN_HASH_SIZE 997 364 #define TCP6_SYN_BUCKET_SIZE 35 365 #endif 366 int tcp6_listen_hash_size = TCP6_LISTEN_HASH_SIZE; 367 int tcp6_conn_hash_size = TCP6_CONN_HASH_SIZE; 368 struct tcp6_hash_list tcp6_listen_hash[TCP6_LISTEN_HASH_SIZE], 369 tcp6_conn_hash[TCP6_CONN_HASH_SIZE]; 370 371 int tcp6_syn_cache_size = TCP6_SYN_HASH_SIZE; 372 int tcp6_syn_cache_limit = TCP6_SYN_HASH_SIZE*TCP6_SYN_BUCKET_SIZE; 373 int tcp6_syn_bucket_limit = 3*TCP6_SYN_BUCKET_SIZE; 374 struct syn_cache_head6 tcp6_syn_cache[TCP6_SYN_HASH_SIZE]; 375 struct syn_cache_head6 *tcp6_syn_cache_first; 376 int tcp6_syn_cache_interval = 8; /* runs timer every 4 seconds */ 377 int tcp6_syn_cache_timeo = TCP6TV_KEEP_INIT; 378 379 /* 380 * Parameters for computing a desirable data segment size 381 * given an upper bound (either interface MTU, or peer's MSS option)_. 382 * As applications tend to use a buffer size that is a multiple 383 * of kilobytes, try for something that divides evenly. However, 384 * do not round down too much. 385 * 386 * Round segment size down to a multiple of TCP6_ROUNDSIZE if this 387 * does not result in lowering by more than (size/TCP6_ROUNDFRAC). 388 * For example, round 536 to 512. Older versions of the system 389 * effectively used MCLBYTES (1K or 2K) as TCP6_ROUNDSIZE, with 390 * a value of 1 for TCP6_ROUNDFRAC (eliminating its effect). 391 * We round to a multiple of 256 for SLIP. 392 */ 393 #ifndef TCP6_ROUNDSIZE 394 #define TCP6_ROUNDSIZE 256 /* round to multiple of 256 */ 395 #endif 396 #ifndef TCP6_ROUNDFRAC 397 #define TCP6_ROUNDFRAC 10 /* round down at most N/10, or 10% */ 398 #endif 399 400 int tcp6_roundsize = TCP6_ROUNDSIZE; 401 int tcp6_roundfrac = TCP6_ROUNDFRAC; 402 #endif /*TCP6*/ 403 404 /* UDP on IP6 parameters */ 405 int udp6_sendspace = 9216; /* really max datagram size */ 406 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6)); 407 /* 40 1K datagrams */ 408 409 #ifdef __FreeBSD__ 410 /* 411 * sysctl related items. 412 */ 413 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 414 "Internet6 Family"); 415 416 /* net.inet6 */ 417 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 418 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 419 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 420 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 421 #ifdef IPSEC 422 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 423 #endif /* IPSEC */ 424 425 /* net.inet6.ip6 */ 426 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, 427 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, ""); 428 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 429 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, ""); 430 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, 431 hlim, CTLFLAG_RW, &ip6_defhlim, 0, ""); 432 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 433 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, ""); 434 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 435 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, ""); 436 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, 437 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, ""); 438 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 439 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, ""); 440 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 441 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, ""); 442 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, 443 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, ""); 444 #ifdef MAPPED_ADDR_ENABLED 445 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAPPED_ADDR, 446 mapped_addr, CTLFLAG_RW, &ip6_mapped_addr_on, 0, ""); 447 #endif /* MAPPED_ADDR_ENABLED */ 448 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 449 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, ""); 450 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 451 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, ""); 452 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, 453 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, ""); 454 455 /* net.inet6.icmp6 */ 456 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 457 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, ""); 458 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 459 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, ""); 460 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 461 &icmp6stat, icmp6stat, ""); 462 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRRATELIMIT, 463 errratelimit, CTLFLAG_RW, &icmp6errratelim, 0, ""); 464 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 465 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, ""); 466 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 467 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, ""); 468 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 469 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, ""); 470 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 471 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, ""); 472 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 473 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, ""); 474 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PROXYALL, 475 nd6_proxyall, CTLFLAG_RW, &nd6_proxyall, 0, ""); 476 477 /* net.inet6.udp6 */ 478 SYSCTL_INT(_net_inet6_udp6, UDP6CTL_SENDMAX, 479 sendmax, CTLFLAG_RW, &udp6_sendspace, 0, ""); 480 SYSCTL_INT(_net_inet6_udp6, UDP6CTL_RECVSPACE, 481 recvspace, CTLFLAG_RW, &udp6_recvspace, 0, ""); 482 483 /* net.inet6.tcp6 */ 484 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_MSSDFLT, 485 mssdflt, CTLFLAG_RW, &tcp6_mssdflt, 0, ""); 486 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_DO_RFC1323, 487 do_rfc1323, CTLFLAG_RW, &tcp6_do_rfc1323, 0, ""); 488 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_KEEPIDLE, 489 keepidle, CTLFLAG_RW, &tcp6_keepidle, 0, ""); 490 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_KEEPINTVL, 491 keepintvl, CTLFLAG_RW, &tcp6_keepintvl, 0, ""); 492 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_KEEPCNT, 493 keepcnt, CTLFLAG_RW, &tcp6_keepcnt, 0, ""); 494 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_MAXPERSISTIDLE, 495 maxpersistidle, CTLFLAG_RW, &tcp6_maxpersistidle, 0, ""); 496 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_SENDSPACE, 497 sendspace, CTLFLAG_RW, &tcp6_sendspace, 0, ""); 498 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_RECVSPACE, 499 recvspace, CTLFLAG_RW, &tcp6_recvspace, 0, ""); 500 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_CONNTIMEO, 501 conntimeo, CTLFLAG_RW, &tcp6_conntimeo, 0, ""); 502 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_PMTU, 503 pmtu, CTLFLAG_RW, &tcp6_pmtu, 0, ""); 504 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_PMTU_EXPIRE, 505 pmtu_expire, CTLFLAG_RW, &pmtu_expire, 0, ""); 506 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_PMTU_PROBE, 507 pmtu_probe, CTLFLAG_RW, &pmtu_probe, 0, ""); 508 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_43MAXSEG, 509 pmtu_43maxseg, CTLFLAG_RW, &tcp6_43maxseg, 0, ""); 510 SYSCTL_STRUCT(_net_inet6_tcp6, TCP6CTL_STATS, stats, CTLFLAG_RD, 511 &tcp6stat, tcp6stat, ""); 512 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_SYN_CACHE_LIMIT, 513 syn_cache_limit, CTLFLAG_RW, &tcp6_syn_cache_limit, 0, ""); 514 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_SYN_BUCKET_LIMIT, 515 syn_bucket_limit, CTLFLAG_RW, &tcp6_syn_bucket_limit, 0, ""); 516 SYSCTL_INT(_net_inet6_tcp6, TCP6CTL_SYN_CACHE_INTER, 517 syn_cache_interval, CTLFLAG_RW, &tcp6_syn_cache_interval, 0, ""); 518 519 #endif /* __FreeBSD__ */ 520
Indexes created Sun Oct 26 13:09:57 GMT 2025