rtsock.c revision 1.238.2.20
1 /* $NetBSD: rtsock.c,v 1.238.2.20 2019/01/15 03:40:35 pgoyette Exp $ */ 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 */ 31 32 /* 33 * Copyright (c) 1988, 1991, 1993 34 * The Regents of the University of California. All rights reserved. 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. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 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 * @(#)rtsock.c 8.7 (Berkeley) 10/12/95 61 */ 62 63 #include <sys/cdefs.h> 64 __KERNEL_RCSID(0, "$NetBSD: rtsock.c,v 1.238.2.20 2019/01/15 03:40:35 pgoyette Exp $"); 65 66 #ifdef _KERNEL_OPT 67 #include "opt_inet.h" 68 #include "opt_mpls.h" 69 #include "opt_compat_netbsd.h" 70 #include "opt_sctp.h" 71 #include "opt_net_mpsafe.h" 72 #endif 73 74 #include <sys/param.h> 75 #include <sys/systm.h> 76 #include <sys/proc.h> 77 #include <sys/socket.h> 78 #include <sys/socketvar.h> 79 #include <sys/domain.h> 80 #include <sys/protosw.h> 81 #include <sys/sysctl.h> 82 #include <sys/kauth.h> 83 #include <sys/kmem.h> 84 #include <sys/intr.h> 85 #include <sys/condvar.h> 86 #include <sys/compat_stub.h> 87 88 #include <net/if.h> 89 #include <net/if_llatbl.h> 90 #include <net/if_types.h> 91 #include <net/route.h> 92 #include <net/raw_cb.h> 93 94 #include <netinet/in_var.h> 95 #include <netinet/if_inarp.h> 96 97 #include <netmpls/mpls.h> 98 99 #ifdef SCTP 100 extern void sctp_add_ip_address(struct ifaddr *); 101 extern void sctp_delete_ip_address(struct ifaddr *); 102 #endif 103 104 #include <compat/net/if.h> 105 #include <compat/net/route.h> 106 107 #ifdef COMPAT_RTSOCK 108 #undef COMPAT_RTSOCK 109 #endif 110 111 static int if_addrflags(struct ifaddr *); 112 static void sysctl_net_route_setup(struct sysctllog **); 113 114 #include <net/rtsock_shared.c> 115 116 /* 117 * Compat linkage 118 */ 119 static int stub_70_rt_newaddrmsg1(int cmd, struct ifaddr *ifa) 120 { 121 122 return 0; 123 } 124 125 /* 126 * XXX avoid using void * once msghdr compat disappears. 127 */ 128 void 129 rt_setmetrics(void *in, struct rtentry *out) 130 { 131 const struct rt_xmsghdr *rtm = in; 132 133 _rt_setmetrics(rtm->rtm_inits, rtm, out); 134 } 135 136 int 137 rt_msg3(int type, struct rt_addrinfo *rtinfo, void *cpv, struct rt_walkarg *w, 138 int *lenp) 139 { 140 return rt_msg2(type, rtinfo, cpv, w, lenp); 141 } 142 143 /* 144 * MODULE_HOOK glue for rtsock_14_oifmsg and rtsock_14_iflist 145 */ 146 MODULE_CALL_VOID_HOOK_DECL(rtsock_14_oifmsg_hook, (struct ifnet *ifp)); 147 MODULE_CALL_VOID_HOOK(rtsock_14_oifmsg_hook, (struct ifnet *ifp), (ifp), 148 __nothing); 149 150 MODULE_CALL_INT_HOOK_DECL(rtsock_14_iflist_hook, 151 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 152 size_t len)); 153 MODULE_CALL_INT_HOOK(rtsock_14_iflist_hook, 154 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 155 size_t len), 156 (ifp, w, info, len), 157 enosys()); 158 159 /* 160 * MODULE_HOOK glue for rtsock_50 ifaddr_list and various message routines 161 */ 162 MODULE_CALL_INT_HOOK_DECL(rtsock_50_iflist_hook, 163 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 164 size_t len)); 165 MODULE_CALL_INT_HOOK(rtsock_50_iflist_hook, 166 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 167 size_t len), 168 (ifp, w, info, len), 169 enosys()); 170 171 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_rt_missmsg_hook, 172 (int, const struct rt_addrinfo *, int, int)); 173 MODULE_CALL_VOID_HOOK(rtsock_50_rt_missmsg_hook, 174 (int type, const struct rt_addrinfo *rtinfo, int flags, int error), 175 (type, rtinfo, flags, error), __nothing); 176 177 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_rt_ifmsg_hook, (struct ifnet *)); 178 MODULE_CALL_VOID_HOOK(rtsock_50_rt_ifmsg_hook, (struct ifnet *ifp), (ifp), 179 __nothing); 180 181 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_rt_newaddrmsg_hook, 182 (int, struct ifaddr *, int, struct rtentry *)); 183 MODULE_CALL_VOID_HOOK(rtsock_50_rt_newaddrmsg_hook, 184 (int cmd, struct ifaddr *ifa, int error, struct rtentry *rt), 185 (cmd, ifa, error, rt), __nothing); 186 187 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_rt_ifannouncemsg_hook, 188 (struct ifnet *, int what)); 189 MODULE_CALL_VOID_HOOK(rtsock_50_rt_ifannouncemsg_hook, 190 (struct ifnet *ifp, int what), (ifp, what), __nothing); 191 192 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_rt_ieee80211msg_hook, 193 (struct ifnet *, int, void *, size_t)); 194 MODULE_CALL_VOID_HOOK(rtsock_50_rt_ieee80211msg_hook, 195 (struct ifnet *ifp, int what, void *data, size_t data_len), 196 (ifp, what, data, data_len), __nothing); 197 198 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_oifmsg_hook, (struct ifnet *ifp)); 199 MODULE_CALL_VOID_HOOK(rtsock_50_oifmsg_hook, (struct ifnet *ifp), (ifp), 200 __nothing); 201 202 /* 203 * MODULE_HOOK glue for rtsock70_newaddrmsg1, rtsock70_ifaddr_listaddr, 204 * and rtsock70_ifaddr_listif 205 */ 206 MODULE_CALL_VOID_HOOK_DECL(rtsock_70_newaddr_hook, (int, struct ifaddr *)); 207 MODULE_CALL_VOID_HOOK(rtsock_70_newaddr_hook, (int cmd, struct ifaddr *ifa), 208 (cmd, ifa), stub_70_rt_newaddrmsg1(cmd, ifa)); 209 210 MODULE_CALL_INT_HOOK_DECL(rtsock_70_iflist_hook, 211 (struct rt_walkarg *, struct ifaddr *, struct rt_addrinfo *)); 212 MODULE_CALL_INT_HOOK(rtsock_70_iflist_hook, 213 (struct rt_walkarg *w, struct ifaddr *ifa, struct rt_addrinfo *info), 214 (w, ifa, info), 215 enosys()); 216 217 218 static int 219 if_addrflags(struct ifaddr *ifa) 220 { 221 222 switch (ifa->ifa_addr->sa_family) { 223 #ifdef INET 224 case AF_INET: 225 return ((struct in_ifaddr *)ifa)->ia4_flags; 226 #endif 227 #ifdef INET6 228 case AF_INET6: 229 return ((struct in6_ifaddr *)ifa)->ia6_flags; 230 #endif 231 default: 232 return 0; 233 } 234 } 235 236 237 /* 238 * Send a routing message as mimicing that a cloned route is added. 239 */ 240 void 241 rt_clonedmsg(const struct sockaddr *dst, const struct ifnet *ifp, 242 const struct rtentry *rt) 243 { 244 struct rt_addrinfo info; 245 /* Mimic flags exactly */ 246 #define RTF_LLINFO 0x400 247 #define RTF_CLONED 0x2000 248 int flags = RTF_UP | RTF_HOST | RTF_DONE | RTF_LLINFO | RTF_CLONED; 249 union { 250 struct sockaddr sa; 251 struct sockaddr_storage ss; 252 struct sockaddr_dl sdl; 253 } u; 254 uint8_t namelen = strlen(ifp->if_xname); 255 uint8_t addrlen = ifp->if_addrlen; 256 257 if (rt == NULL) 258 return; /* XXX */ 259 260 memset(&info, 0, sizeof(info)); 261 info.rti_info[RTAX_DST] = dst; 262 sockaddr_dl_init(&u.sdl, sizeof(u.ss), ifp->if_index, ifp->if_type, 263 NULL, namelen, NULL, addrlen); 264 info.rti_info[RTAX_GATEWAY] = &u.sa; 265 266 rt_missmsg(RTM_ADD, &info, flags, 0); 267 #undef RTF_LLINFO 268 #undef RTF_CLONED 269 } 270 271 272 /* 273 * The remaining code implements the routing-table sysctl node. It is 274 * compiled only for the non-COMPAT case. 275 */ 276 277 /* 278 * This is used in dumping the kernel table via sysctl(). 279 */ 280 static int 281 sysctl_dumpentry(struct rtentry *rt, void *v) 282 { 283 struct rt_walkarg *w = v; 284 int error = 0, size; 285 struct rt_addrinfo info; 286 287 if (w->w_op == NET_RT_FLAGS && !(rt->rt_flags & w->w_arg)) 288 return 0; 289 memset(&info, 0, sizeof(info)); 290 info.rti_info[RTAX_DST] = rt_getkey(rt); 291 info.rti_info[RTAX_GATEWAY] = rt->rt_gateway; 292 info.rti_info[RTAX_NETMASK] = rt_mask(rt); 293 info.rti_info[RTAX_TAG] = rt_gettag(rt); 294 if (rt->rt_ifp) { 295 const struct ifaddr *rtifa; 296 info.rti_info[RTAX_IFP] = rt->rt_ifp->if_dl->ifa_addr; 297 /* rtifa used to be simply rt->rt_ifa. If rt->rt_ifa != NULL, 298 * then rt_get_ifa() != NULL. So this ought to still be safe. 299 * --dyoung 300 */ 301 rtifa = rt_get_ifa(rt); 302 info.rti_info[RTAX_IFA] = rtifa->ifa_addr; 303 if (rt->rt_ifp->if_flags & IFF_POINTOPOINT) 304 info.rti_info[RTAX_BRD] = rtifa->ifa_dstaddr; 305 } 306 if ((error = rt_msg2(RTM_GET, &info, 0, w, &size))) 307 return error; 308 if (w->w_where && w->w_tmem && w->w_needed <= 0) { 309 struct rt_xmsghdr *rtm = (struct rt_xmsghdr *)w->w_tmem; 310 311 rtm->rtm_flags = rt->rt_flags; 312 rtm->rtm_use = rt->rt_use; 313 rtm_setmetrics(rt, rtm); 314 KASSERT(rt->rt_ifp != NULL); 315 rtm->rtm_index = rt->rt_ifp->if_index; 316 rtm->rtm_errno = rtm->rtm_pid = rtm->rtm_seq = 0; 317 rtm->rtm_addrs = info.rti_addrs; 318 if ((error = copyout(rtm, w->w_where, size)) != 0) 319 w->w_where = NULL; 320 else 321 w->w_where = (char *)w->w_where + size; 322 } 323 return error; 324 } 325 326 static int 327 sysctl_iflist_if(struct ifnet *ifp, struct rt_walkarg *w, 328 struct rt_addrinfo *info, size_t len) 329 { 330 struct if_xmsghdr *ifm; 331 int error; 332 333 ifm = (struct if_xmsghdr *)w->w_tmem; 334 ifm->ifm_index = ifp->if_index; 335 ifm->ifm_flags = ifp->if_flags; 336 ifm->ifm_data = ifp->if_data; 337 ifm->ifm_addrs = info->rti_addrs; 338 if ((error = copyout(ifm, w->w_where, len)) == 0) 339 w->w_where = (char *)w->w_where + len; 340 return error; 341 } 342 343 static int 344 sysctl_iflist_addr(struct rt_walkarg *w, struct ifaddr *ifa, 345 struct rt_addrinfo *info) 346 { 347 int len, error; 348 349 if ((error = rt_msg2(RTM_XNEWADDR, info, 0, w, &len))) 350 return error; 351 if (w->w_where && w->w_tmem && w->w_needed <= 0) { 352 struct ifa_xmsghdr *ifam; 353 354 ifam = (struct ifa_xmsghdr *)w->w_tmem; 355 ifam->ifam_index = ifa->ifa_ifp->if_index; 356 ifam->ifam_flags = ifa->ifa_flags; 357 ifam->ifam_metric = ifa->ifa_metric; 358 ifam->ifam_addrs = info->rti_addrs; 359 ifam->ifam_pid = 0; 360 ifam->ifam_addrflags = if_addrflags(ifa); 361 if ((error = copyout(w->w_tmem, w->w_where, len)) == 0) 362 w->w_where = (char *)w->w_where + len; 363 } 364 return error; 365 } 366 367 static int 368 sysctl_iflist(int af, struct rt_walkarg *w, int type) 369 { 370 struct ifnet *ifp; 371 struct ifaddr *ifa; 372 struct rt_addrinfo info; 373 int cmd, len, error = 0; 374 int s; 375 struct psref psref; 376 int bound; 377 378 switch (type) { 379 case NET_RT_IFLIST: 380 cmd = RTM_IFINFO; 381 break; 382 case NET_RT_OOOIFLIST: 383 cmd = RTM_OOIFINFO; 384 break; 385 case NET_RT_OOIFLIST: 386 cmd = RTM_OIFINFO; 387 break; 388 case NET_RT_OIFLIST: 389 cmd = RTM_IFINFO; 390 break; 391 default: 392 #ifdef RTSOCK_DEBUG 393 printf("%s: unsupported IFLIST type %d\n", __func__, type); 394 #endif 395 return EINVAL; 396 } 397 398 memset(&info, 0, sizeof(info)); 399 400 bound = curlwp_bind(); 401 s = pserialize_read_enter(); 402 IFNET_READER_FOREACH(ifp) { 403 int _s; 404 if (w->w_arg && w->w_arg != ifp->if_index) 405 continue; 406 if (IFADDR_READER_EMPTY(ifp)) 407 continue; 408 409 if_acquire(ifp, &psref); 410 pserialize_read_exit(s); 411 412 info.rti_info[RTAX_IFP] = ifp->if_dl->ifa_addr; 413 if ((error = rt_msg2(cmd, &info, NULL, w, &len)) != 0) 414 goto release_exit; 415 info.rti_info[RTAX_IFP] = NULL; 416 if (w->w_where && w->w_tmem && w->w_needed <= 0) { 417 switch (type) { 418 case NET_RT_OIFLIST: /* old _70 */ 419 if (!rtsock_70_iflist_hook.hooked) { 420 error = EINVAL; 421 break; 422 } 423 /* FALLTHROUGH */ 424 case NET_RT_IFLIST: /* current */ 425 error = sysctl_iflist_if(ifp, w, &info, len); 426 break; 427 case NET_RT_OOIFLIST: /* old _50 */ 428 error = rtsock_50_iflist_hook_call(ifp, w, &info, 429 len); 430 break; 431 case NET_RT_OOOIFLIST: /* old _14 */ 432 error = rtsock_14_iflist_hook_call(ifp, w, 433 &info, len); 434 break; 435 default: 436 error = EINVAL; 437 } 438 if (error != 0) { 439 if (error == ENOSYS) 440 error = EINVAL; 441 goto release_exit; 442 } 443 } 444 _s = pserialize_read_enter(); 445 IFADDR_READER_FOREACH(ifa, ifp) { 446 struct psref _psref; 447 if (af && af != ifa->ifa_addr->sa_family) 448 continue; 449 ifa_acquire(ifa, &_psref); 450 pserialize_read_exit(_s); 451 452 info.rti_info[RTAX_IFA] = ifa->ifa_addr; 453 info.rti_info[RTAX_NETMASK] = ifa->ifa_netmask; 454 info.rti_info[RTAX_BRD] = ifa->ifa_dstaddr; 455 switch (type) { 456 case NET_RT_IFLIST: 457 error = sysctl_iflist_addr(w, ifa, &info); 458 break; 459 case NET_RT_OIFLIST: 460 case NET_RT_OOIFLIST: 461 case NET_RT_OOOIFLIST: 462 error = rtsock_70_iflist_hook_call(w, ifa, 463 &info); 464 break; 465 default: 466 error = EINVAL; 467 } 468 469 _s = pserialize_read_enter(); 470 ifa_release(ifa, &_psref); 471 if (error != 0) { 472 pserialize_read_exit(_s); 473 goto release_exit; 474 } 475 } 476 pserialize_read_exit(_s); 477 info.rti_info[RTAX_IFA] = info.rti_info[RTAX_NETMASK] = 478 info.rti_info[RTAX_BRD] = NULL; 479 480 s = pserialize_read_enter(); 481 if_release(ifp, &psref); 482 } 483 pserialize_read_exit(s); 484 curlwp_bindx(bound); 485 486 return 0; 487 488 release_exit: 489 if_release(ifp, &psref); 490 curlwp_bindx(bound); 491 return error; 492 } 493 494 static int 495 sysctl_rtable(SYSCTLFN_ARGS) 496 { 497 void *where = oldp; 498 size_t *given = oldlenp; 499 int i, s, error = EINVAL; 500 u_char af; 501 struct rt_walkarg w; 502 503 if (namelen == 1 && name[0] == CTL_QUERY) 504 return sysctl_query(SYSCTLFN_CALL(rnode)); 505 506 if (newp) 507 return EPERM; 508 if (namelen != 3) 509 return EINVAL; 510 af = name[0]; 511 w.w_tmemneeded = 0; 512 w.w_tmemsize = 0; 513 w.w_tmem = NULL; 514 again: 515 /* we may return here if a later [re]alloc of the t_mem buffer fails */ 516 if (w.w_tmemneeded) { 517 w.w_tmem = kmem_zalloc(w.w_tmemneeded, KM_SLEEP); 518 w.w_tmemsize = w.w_tmemneeded; 519 w.w_tmemneeded = 0; 520 } 521 w.w_op = name[1]; 522 w.w_arg = name[2]; 523 w.w_given = *given; 524 w.w_needed = 0 - w.w_given; 525 w.w_where = where; 526 527 s = splsoftnet(); 528 switch (w.w_op) { 529 530 case NET_RT_DUMP: 531 case NET_RT_FLAGS: 532 #if defined(INET) || defined(INET6) 533 /* 534 * take care of llinfo entries, the caller must 535 * specify an AF 536 */ 537 if (w.w_op == NET_RT_FLAGS && 538 (w.w_arg == 0 || w.w_arg & RTF_LLDATA)) { 539 if (af != 0) 540 error = lltable_sysctl_dump(af, &w); 541 else 542 error = EINVAL; 543 break; 544 } 545 #endif 546 547 for (i = 1; i <= AF_MAX; i++) { 548 if (af == 0 || af == i) { 549 error = rt_walktree(i, sysctl_dumpentry, &w); 550 if (error != 0) 551 break; 552 #if defined(INET) || defined(INET6) 553 /* 554 * Return ARP/NDP entries too for 555 * backward compatibility. 556 */ 557 error = lltable_sysctl_dump(i, &w); 558 if (error != 0) 559 break; 560 #endif 561 } 562 } 563 break; 564 565 case NET_RT_OOOIFLIST: /* compat_14 */ 566 case NET_RT_OOIFLIST: /* compat_50 */ 567 case NET_RT_OIFLIST: /* compat_70 */ 568 case NET_RT_IFLIST: /* current */ 569 error = sysctl_iflist(af, &w, w.w_op); 570 break; 571 } 572 splx(s); 573 574 /* check to see if we couldn't allocate memory with NOWAIT */ 575 if (error == ENOBUFS && w.w_tmem == 0 && w.w_tmemneeded) 576 goto again; 577 578 if (w.w_tmem) 579 kmem_free(w.w_tmem, w.w_tmemsize); 580 w.w_needed += w.w_given; 581 if (where) { 582 *given = (char *)w.w_where - (char *)where; 583 if (*given < w.w_needed) 584 return ENOMEM; 585 } else { 586 *given = (11 * w.w_needed) / 10; 587 } 588 return error; 589 } 590 591 static void 592 sysctl_net_route_setup(struct sysctllog **clog) 593 { 594 const struct sysctlnode *rnode = NULL; 595 596 sysctl_createv(clog, 0, NULL, &rnode, 597 CTLFLAG_PERMANENT, 598 CTLTYPE_NODE, DOMAINNAME, 599 SYSCTL_DESCR("PF_ROUTE information"), 600 NULL, 0, NULL, 0, 601 CTL_NET, PF_XROUTE, CTL_EOL); 602 603 sysctl_createv(clog, 0, NULL, NULL, 604 CTLFLAG_PERMANENT, 605 CTLTYPE_NODE, "rtable", 606 SYSCTL_DESCR("Routing table information"), 607 sysctl_rtable, 0, NULL, 0, 608 CTL_NET, PF_XROUTE, 0 /* any protocol */, CTL_EOL); 609 610 sysctl_createv(clog, 0, &rnode, NULL, 611 CTLFLAG_PERMANENT, 612 CTLTYPE_STRUCT, "stats", 613 SYSCTL_DESCR("Routing statistics"), 614 NULL, 0, &rtstat, sizeof(rtstat), 615 CTL_CREATE, CTL_EOL); 616 } 617
Indexes created Fri Oct 03 02:09:57 GMT 2025