rtsock.c revision 1.238.2.22
1 /* $NetBSD: rtsock.c,v 1.238.2.22 2019/01/15 22:27:07 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 1.238.2.22 2019/01/15 22:27:07 pgoyette Exp $"); 65 66 #ifdef _KERNEL_OPT 67 #include "opt_inet.h" 68 #include "opt_compat_netbsd.h" 69 #endif 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #include <sys/proc.h> 74 #include <sys/socket.h> 75 #include <sys/socketvar.h> 76 #include <sys/domain.h> 77 #include <sys/protosw.h> 78 #include <sys/sysctl.h> 79 #include <sys/kauth.h> 80 #include <sys/kmem.h> 81 #include <sys/intr.h> 82 #include <sys/condvar.h> 83 #include <sys/compat_stub.h> 84 85 #include <net/if.h> 86 #include <net/if_llatbl.h> 87 #include <net/if_types.h> 88 #include <net/route.h> 89 #include <net/raw_cb.h> 90 91 #include <netinet/in_var.h> 92 #include <netinet/if_inarp.h> 93 94 #include <netmpls/mpls.h> 95 96 #include <compat/net/if.h> 97 #include <compat/net/route.h> 98 99 #ifdef COMPAT_RTSOCK 100 #undef COMPAT_RTSOCK 101 #endif 102 103 static int if_addrflags(struct ifaddr *); 104 static void sysctl_net_route_setup(struct sysctllog **); 105 106 #include <net/rtsock_shared.c> 107 108 /* 109 * Compat linkage 110 */ 111 static int stub_70_rt_newaddrmsg1(int cmd, struct ifaddr *ifa) 112 { 113 114 return 0; 115 } 116 117 /* 118 * XXX avoid using void * once msghdr compat disappears. 119 */ 120 void 121 rt_setmetrics(void *in, struct rtentry *out) 122 { 123 const struct rt_xmsghdr *rtm = in; 124 125 _rt_setmetrics(rtm->rtm_inits, rtm, out); 126 } 127 128 int 129 rt_msg3(int type, struct rt_addrinfo *rtinfo, void *cpv, struct rt_walkarg *w, 130 int *lenp) 131 { 132 return rt_msg2(type, rtinfo, cpv, w, lenp); 133 } 134 135 /* 136 * MODULE_HOOK glue for rtsock_14_oifmsg and rtsock_14_iflist 137 */ 138 MODULE_CALL_VOID_HOOK_DECL(rtsock_14_oifmsg_hook, (struct ifnet *ifp)); 139 MODULE_CALL_VOID_HOOK(rtsock_14_oifmsg_hook, (struct ifnet *ifp), (ifp), 140 __nothing); 141 142 MODULE_CALL_INT_HOOK_DECL(rtsock_14_iflist_hook, 143 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 144 size_t len)); 145 MODULE_CALL_INT_HOOK(rtsock_14_iflist_hook, 146 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 147 size_t len), 148 (ifp, w, info, len), 149 enosys()); 150 151 /* 152 * MODULE_HOOK glue for rtsock_50 ifaddr_list and various message routines 153 */ 154 MODULE_CALL_INT_HOOK_DECL(rtsock_50_iflist_hook, 155 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 156 size_t len)); 157 MODULE_CALL_INT_HOOK(rtsock_50_iflist_hook, 158 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 159 size_t len), 160 (ifp, w, info, len), 161 enosys()); 162 163 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_rt_missmsg_hook, 164 (int, const struct rt_addrinfo *, int, int)); 165 MODULE_CALL_VOID_HOOK(rtsock_50_rt_missmsg_hook, 166 (int type, const struct rt_addrinfo *rtinfo, int flags, int error), 167 (type, rtinfo, flags, error), __nothing); 168 169 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_rt_ifmsg_hook, (struct ifnet *)); 170 MODULE_CALL_VOID_HOOK(rtsock_50_rt_ifmsg_hook, (struct ifnet *ifp), (ifp), 171 __nothing); 172 173 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_rt_newaddrmsg_hook, 174 (int, struct ifaddr *, int, struct rtentry *)); 175 MODULE_CALL_VOID_HOOK(rtsock_50_rt_newaddrmsg_hook, 176 (int cmd, struct ifaddr *ifa, int error, struct rtentry *rt), 177 (cmd, ifa, error, rt), __nothing); 178 179 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_rt_ifannouncemsg_hook, 180 (struct ifnet *, int what)); 181 MODULE_CALL_VOID_HOOK(rtsock_50_rt_ifannouncemsg_hook, 182 (struct ifnet *ifp, int what), (ifp, what), __nothing); 183 184 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_rt_ieee80211msg_hook, 185 (struct ifnet *, int, void *, size_t)); 186 MODULE_CALL_VOID_HOOK(rtsock_50_rt_ieee80211msg_hook, 187 (struct ifnet *ifp, int what, void *data, size_t data_len), 188 (ifp, what, data, data_len), __nothing); 189 190 MODULE_CALL_VOID_HOOK_DECL(rtsock_50_oifmsg_hook, (struct ifnet *ifp)); 191 MODULE_CALL_VOID_HOOK(rtsock_50_oifmsg_hook, (struct ifnet *ifp), (ifp), 192 __nothing); 193 194 /* 195 * MODULE_HOOK glue for rtsock70_newaddrmsg1, rtsock70_ifaddr_listaddr, 196 * and rtsock70_ifaddr_listif 197 */ 198 MODULE_CALL_VOID_HOOK_DECL(rtsock_70_newaddr_hook, (int, struct ifaddr *)); 199 MODULE_CALL_VOID_HOOK(rtsock_70_newaddr_hook, (int cmd, struct ifaddr *ifa), 200 (cmd, ifa), stub_70_rt_newaddrmsg1(cmd, ifa)); 201 202 MODULE_CALL_INT_HOOK_DECL(rtsock_70_iflist_hook, 203 (struct rt_walkarg *, struct ifaddr *, struct rt_addrinfo *)); 204 MODULE_CALL_INT_HOOK(rtsock_70_iflist_hook, 205 (struct rt_walkarg *w, struct ifaddr *ifa, struct rt_addrinfo *info), 206 (w, ifa, info), 207 enosys()); 208 209 210 static int 211 if_addrflags(struct ifaddr *ifa) 212 { 213 214 switch (ifa->ifa_addr->sa_family) { 215 #ifdef INET 216 case AF_INET: 217 return ((struct in_ifaddr *)ifa)->ia4_flags; 218 #endif 219 #ifdef INET6 220 case AF_INET6: 221 return ((struct in6_ifaddr *)ifa)->ia6_flags; 222 #endif 223 default: 224 return 0; 225 } 226 } 227 228 229 /* 230 * Send a routing message as mimicing that a cloned route is added. 231 */ 232 void 233 rt_clonedmsg(const struct sockaddr *dst, const struct ifnet *ifp, 234 const struct rtentry *rt) 235 { 236 struct rt_addrinfo info; 237 /* Mimic flags exactly */ 238 #define RTF_LLINFO 0x400 239 #define RTF_CLONED 0x2000 240 int flags = RTF_UP | RTF_HOST | RTF_DONE | RTF_LLINFO | RTF_CLONED; 241 union { 242 struct sockaddr sa; 243 struct sockaddr_storage ss; 244 struct sockaddr_dl sdl; 245 } u; 246 uint8_t namelen = strlen(ifp->if_xname); 247 uint8_t addrlen = ifp->if_addrlen; 248 249 if (rt == NULL) 250 return; /* XXX */ 251 252 memset(&info, 0, sizeof(info)); 253 info.rti_info[RTAX_DST] = dst; 254 sockaddr_dl_init(&u.sdl, sizeof(u.ss), ifp->if_index, ifp->if_type, 255 NULL, namelen, NULL, addrlen); 256 info.rti_info[RTAX_GATEWAY] = &u.sa; 257 258 rt_missmsg(RTM_ADD, &info, flags, 0); 259 #undef RTF_LLINFO 260 #undef RTF_CLONED 261 } 262 263 264 /* 265 * The remaining code implements the routing-table sysctl node. It is 266 * compiled only for the non-COMPAT case. 267 */ 268 269 /* 270 * This is used in dumping the kernel table via sysctl(). 271 */ 272 static int 273 sysctl_dumpentry(struct rtentry *rt, void *v) 274 { 275 struct rt_walkarg *w = v; 276 int error = 0, size; 277 struct rt_addrinfo info; 278 279 if (w->w_op == NET_RT_FLAGS && !(rt->rt_flags & w->w_arg)) 280 return 0; 281 memset(&info, 0, sizeof(info)); 282 info.rti_info[RTAX_DST] = rt_getkey(rt); 283 info.rti_info[RTAX_GATEWAY] = rt->rt_gateway; 284 info.rti_info[RTAX_NETMASK] = rt_mask(rt); 285 info.rti_info[RTAX_TAG] = rt_gettag(rt); 286 if (rt->rt_ifp) { 287 const struct ifaddr *rtifa; 288 info.rti_info[RTAX_IFP] = rt->rt_ifp->if_dl->ifa_addr; 289 /* rtifa used to be simply rt->rt_ifa. If rt->rt_ifa != NULL, 290 * then rt_get_ifa() != NULL. So this ought to still be safe. 291 * --dyoung 292 */ 293 rtifa = rt_get_ifa(rt); 294 info.rti_info[RTAX_IFA] = rtifa->ifa_addr; 295 if (rt->rt_ifp->if_flags & IFF_POINTOPOINT) 296 info.rti_info[RTAX_BRD] = rtifa->ifa_dstaddr; 297 } 298 if ((error = rt_msg2(RTM_GET, &info, 0, w, &size))) 299 return error; 300 if (w->w_where && w->w_tmem && w->w_needed <= 0) { 301 struct rt_xmsghdr *rtm = (struct rt_xmsghdr *)w->w_tmem; 302 303 rtm->rtm_flags = rt->rt_flags; 304 rtm->rtm_use = rt->rt_use; 305 rtm_setmetrics(rt, rtm); 306 KASSERT(rt->rt_ifp != NULL); 307 rtm->rtm_index = rt->rt_ifp->if_index; 308 rtm->rtm_errno = rtm->rtm_pid = rtm->rtm_seq = 0; 309 rtm->rtm_addrs = info.rti_addrs; 310 if ((error = copyout(rtm, w->w_where, size)) != 0) 311 w->w_where = NULL; 312 else 313 w->w_where = (char *)w->w_where + size; 314 } 315 return error; 316 } 317 318 static int 319 sysctl_iflist_if(struct ifnet *ifp, struct rt_walkarg *w, 320 struct rt_addrinfo *info, size_t len) 321 { 322 struct if_xmsghdr *ifm; 323 int error; 324 325 ifm = (struct if_xmsghdr *)w->w_tmem; 326 ifm->ifm_index = ifp->if_index; 327 ifm->ifm_flags = ifp->if_flags; 328 ifm->ifm_data = ifp->if_data; 329 ifm->ifm_addrs = info->rti_addrs; 330 if ((error = copyout(ifm, w->w_where, len)) == 0) 331 w->w_where = (char *)w->w_where + len; 332 return error; 333 } 334 335 static int 336 sysctl_iflist_addr(struct rt_walkarg *w, struct ifaddr *ifa, 337 struct rt_addrinfo *info) 338 { 339 int len, error; 340 341 if ((error = rt_msg2(RTM_XNEWADDR, info, 0, w, &len))) 342 return error; 343 if (w->w_where && w->w_tmem && w->w_needed <= 0) { 344 struct ifa_xmsghdr *ifam; 345 346 ifam = (struct ifa_xmsghdr *)w->w_tmem; 347 ifam->ifam_index = ifa->ifa_ifp->if_index; 348 ifam->ifam_flags = ifa->ifa_flags; 349 ifam->ifam_metric = ifa->ifa_metric; 350 ifam->ifam_addrs = info->rti_addrs; 351 ifam->ifam_pid = 0; 352 ifam->ifam_addrflags = if_addrflags(ifa); 353 if ((error = copyout(w->w_tmem, w->w_where, len)) == 0) 354 w->w_where = (char *)w->w_where + len; 355 } 356 return error; 357 } 358 359 static int 360 sysctl_iflist(int af, struct rt_walkarg *w, int type) 361 { 362 struct ifnet *ifp; 363 struct ifaddr *ifa; 364 struct rt_addrinfo info; 365 int cmd, len, error = 0; 366 int s; 367 struct psref psref; 368 int bound; 369 370 switch (type) { 371 case NET_RT_IFLIST: 372 cmd = RTM_IFINFO; 373 break; 374 case NET_RT_OOOIFLIST: 375 cmd = RTM_OOIFINFO; 376 break; 377 case NET_RT_OOIFLIST: 378 cmd = RTM_OIFINFO; 379 break; 380 case NET_RT_OIFLIST: 381 cmd = RTM_IFINFO; 382 break; 383 default: 384 #ifdef RTSOCK_DEBUG 385 printf("%s: unsupported IFLIST type %d\n", __func__, type); 386 #endif 387 return EINVAL; 388 } 389 390 memset(&info, 0, sizeof(info)); 391 392 bound = curlwp_bind(); 393 s = pserialize_read_enter(); 394 IFNET_READER_FOREACH(ifp) { 395 int _s; 396 if (w->w_arg && w->w_arg != ifp->if_index) 397 continue; 398 if (IFADDR_READER_EMPTY(ifp)) 399 continue; 400 401 if_acquire(ifp, &psref); 402 pserialize_read_exit(s); 403 404 info.rti_info[RTAX_IFP] = ifp->if_dl->ifa_addr; 405 if ((error = rt_msg2(cmd, &info, NULL, w, &len)) != 0) 406 goto release_exit; 407 info.rti_info[RTAX_IFP] = NULL; 408 if (w->w_where && w->w_tmem && w->w_needed <= 0) { 409 switch (type) { 410 case NET_RT_OIFLIST: /* old _70 */ 411 if (!rtsock_70_iflist_hook.hooked) { 412 error = EINVAL; 413 break; 414 } 415 /* FALLTHROUGH */ 416 case NET_RT_IFLIST: /* current */ 417 error = sysctl_iflist_if(ifp, w, &info, len); 418 break; 419 case NET_RT_OOIFLIST: /* old _50 */ 420 error = rtsock_50_iflist_hook_call(ifp, w, &info, 421 len); 422 break; 423 case NET_RT_OOOIFLIST: /* old _14 */ 424 error = rtsock_14_iflist_hook_call(ifp, w, 425 &info, len); 426 break; 427 default: 428 error = EINVAL; 429 } 430 if (error != 0) { 431 if (error == ENOSYS) 432 error = EINVAL; 433 goto release_exit; 434 } 435 } 436 _s = pserialize_read_enter(); 437 IFADDR_READER_FOREACH(ifa, ifp) { 438 struct psref _psref; 439 if (af && af != ifa->ifa_addr->sa_family) 440 continue; 441 ifa_acquire(ifa, &_psref); 442 pserialize_read_exit(_s); 443 444 info.rti_info[RTAX_IFA] = ifa->ifa_addr; 445 info.rti_info[RTAX_NETMASK] = ifa->ifa_netmask; 446 info.rti_info[RTAX_BRD] = ifa->ifa_dstaddr; 447 switch (type) { 448 case NET_RT_IFLIST: 449 error = sysctl_iflist_addr(w, ifa, &info); 450 break; 451 case NET_RT_OIFLIST: 452 case NET_RT_OOIFLIST: 453 case NET_RT_OOOIFLIST: 454 error = rtsock_70_iflist_hook_call(w, ifa, 455 &info); 456 break; 457 default: 458 error = EINVAL; 459 } 460 461 _s = pserialize_read_enter(); 462 ifa_release(ifa, &_psref); 463 if (error != 0) { 464 pserialize_read_exit(_s); 465 goto release_exit; 466 } 467 } 468 pserialize_read_exit(_s); 469 info.rti_info[RTAX_IFA] = info.rti_info[RTAX_NETMASK] = 470 info.rti_info[RTAX_BRD] = NULL; 471 472 s = pserialize_read_enter(); 473 if_release(ifp, &psref); 474 } 475 pserialize_read_exit(s); 476 curlwp_bindx(bound); 477 478 return 0; 479 480 release_exit: 481 if_release(ifp, &psref); 482 curlwp_bindx(bound); 483 return error; 484 } 485 486 static int 487 sysctl_rtable(SYSCTLFN_ARGS) 488 { 489 void *where = oldp; 490 size_t *given = oldlenp; 491 int i, s, error = EINVAL; 492 u_char af; 493 struct rt_walkarg w; 494 495 if (namelen == 1 && name[0] == CTL_QUERY) 496 return sysctl_query(SYSCTLFN_CALL(rnode)); 497 498 if (newp) 499 return EPERM; 500 if (namelen != 3) 501 return EINVAL; 502 af = name[0]; 503 w.w_tmemneeded = 0; 504 w.w_tmemsize = 0; 505 w.w_tmem = NULL; 506 again: 507 /* we may return here if a later [re]alloc of the t_mem buffer fails */ 508 if (w.w_tmemneeded) { 509 w.w_tmem = kmem_zalloc(w.w_tmemneeded, KM_SLEEP); 510 w.w_tmemsize = w.w_tmemneeded; 511 w.w_tmemneeded = 0; 512 } 513 w.w_op = name[1]; 514 w.w_arg = name[2]; 515 w.w_given = *given; 516 w.w_needed = 0 - w.w_given; 517 w.w_where = where; 518 519 s = splsoftnet(); 520 switch (w.w_op) { 521 522 case NET_RT_DUMP: 523 case NET_RT_FLAGS: 524 #if defined(INET) || defined(INET6) 525 /* 526 * take care of llinfo entries, the caller must 527 * specify an AF 528 */ 529 if (w.w_op == NET_RT_FLAGS && 530 (w.w_arg == 0 || w.w_arg & RTF_LLDATA)) { 531 if (af != 0) 532 error = lltable_sysctl_dump(af, &w); 533 else 534 error = EINVAL; 535 break; 536 } 537 #endif 538 539 for (i = 1; i <= AF_MAX; i++) { 540 if (af == 0 || af == i) { 541 error = rt_walktree(i, sysctl_dumpentry, &w); 542 if (error != 0) 543 break; 544 #if defined(INET) || defined(INET6) 545 /* 546 * Return ARP/NDP entries too for 547 * backward compatibility. 548 */ 549 error = lltable_sysctl_dump(i, &w); 550 if (error != 0) 551 break; 552 #endif 553 } 554 } 555 break; 556 557 case NET_RT_OOOIFLIST: /* compat_14 */ 558 case NET_RT_OOIFLIST: /* compat_50 */ 559 case NET_RT_OIFLIST: /* compat_70 */ 560 case NET_RT_IFLIST: /* current */ 561 error = sysctl_iflist(af, &w, w.w_op); 562 break; 563 } 564 splx(s); 565 566 /* check to see if we couldn't allocate memory with NOWAIT */ 567 if (error == ENOBUFS && w.w_tmem == 0 && w.w_tmemneeded) 568 goto again; 569 570 if (w.w_tmem) 571 kmem_free(w.w_tmem, w.w_tmemsize); 572 w.w_needed += w.w_given; 573 if (where) { 574 *given = (char *)w.w_where - (char *)where; 575 if (*given < w.w_needed) 576 return ENOMEM; 577 } else { 578 *given = (11 * w.w_needed) / 10; 579 } 580 return error; 581 } 582 583 static void 584 sysctl_net_route_setup(struct sysctllog **clog) 585 { 586 const struct sysctlnode *rnode = NULL; 587 588 sysctl_createv(clog, 0, NULL, &rnode, 589 CTLFLAG_PERMANENT, 590 CTLTYPE_NODE, DOMAINNAME, 591 SYSCTL_DESCR("PF_ROUTE information"), 592 NULL, 0, NULL, 0, 593 CTL_NET, PF_XROUTE, CTL_EOL); 594 595 sysctl_createv(clog, 0, NULL, NULL, 596 CTLFLAG_PERMANENT, 597 CTLTYPE_NODE, "rtable", 598 SYSCTL_DESCR("Routing table information"), 599 sysctl_rtable, 0, NULL, 0, 600 CTL_NET, PF_XROUTE, 0 /* any protocol */, CTL_EOL); 601 602 sysctl_createv(clog, 0, &rnode, NULL, 603 CTLFLAG_PERMANENT, 604 CTLTYPE_STRUCT, "stats", 605 SYSCTL_DESCR("Routing statistics"), 606 NULL, 0, &rtstat, sizeof(rtstat), 607 CTL_CREATE, CTL_EOL); 608 } 609
Indexes created Fri Oct 03 02:09:57 GMT 2025