rtsock.c revision 1.238.2.24
1 /* $NetBSD: rtsock.c,v 1.238.2.24 2019/01/21 06:49:28 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 1.238.2.24 2019/01/21 06:49:28 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 * XXX avoid using void * once msghdr compat disappears. 110 */ 111 void 112 rt_setmetrics(void *in, struct rtentry *out) 113 { 114 const struct rt_xmsghdr *rtm = in; 115 116 _rt_setmetrics(rtm->rtm_inits, rtm, out); 117 } 118 119 int 120 rt_msg3(int type, struct rt_addrinfo *rtinfo, void *cpv, struct rt_walkarg *w, 121 int *lenp) 122 { 123 return rt_msg2(type, rtinfo, cpv, w, lenp); 124 } 125 126 /* 127 * MODULE_HOOK glue for rtsock_14_oifmsg and rtsock_14_iflist 128 */ 129 MODULE_CALL_HOOK_DECL(rtsock_14_oifmsg_hook, void, (struct ifnet *ifp)); 130 MODULE_CALL_VOID_HOOK(rtsock_14_oifmsg_hook, (struct ifnet *ifp), (ifp), 131 __nothing); 132 133 MODULE_CALL_HOOK_DECL(rtsock_14_iflist_hook, int, 134 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 135 size_t len)); 136 MODULE_CALL_HOOK(rtsock_14_iflist_hook, int, 137 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 138 size_t len), 139 (ifp, w, info, len), 140 enosys()); 141 142 /* 143 * MODULE_HOOK glue for rtsock_50 ifaddr_list and various message routines 144 */ 145 MODULE_CALL_HOOK_DECL(rtsock_50_iflist_hook, int, 146 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 147 size_t len)); 148 MODULE_CALL_HOOK(rtsock_50_iflist_hook, int, 149 (struct ifnet *ifp, struct rt_walkarg *w, struct rt_addrinfo *info, 150 size_t len), 151 (ifp, w, info, len), 152 enosys()); 153 154 MODULE_CALL_HOOK_DECL(rtsock_50_rt_missmsg_hook, void, 155 (int, const struct rt_addrinfo *, int, int)); 156 MODULE_CALL_VOID_HOOK(rtsock_50_rt_missmsg_hook, 157 (int type, const struct rt_addrinfo *rtinfo, int flags, int error), 158 (type, rtinfo, flags, error), __nothing); 159 160 MODULE_CALL_HOOK_DECL(rtsock_50_rt_ifmsg_hook, void, (struct ifnet *)); 161 MODULE_CALL_VOID_HOOK(rtsock_50_rt_ifmsg_hook, (struct ifnet *ifp), (ifp), 162 __nothing); 163 164 MODULE_CALL_HOOK_DECL(rtsock_50_rt_newaddrmsg_hook, void, 165 (int, struct ifaddr *, int, struct rtentry *)); 166 MODULE_CALL_VOID_HOOK(rtsock_50_rt_newaddrmsg_hook, 167 (int cmd, struct ifaddr *ifa, int error, struct rtentry *rt), 168 (cmd, ifa, error, rt), __nothing); 169 170 MODULE_CALL_HOOK_DECL(rtsock_50_rt_ifannouncemsg_hook, void, 171 (struct ifnet *, int what)); 172 MODULE_CALL_VOID_HOOK(rtsock_50_rt_ifannouncemsg_hook, 173 (struct ifnet *ifp, int what), (ifp, what), __nothing); 174 175 MODULE_CALL_HOOK_DECL(rtsock_50_rt_ieee80211msg_hook, void, 176 (struct ifnet *, int, void *, size_t)); 177 MODULE_CALL_VOID_HOOK(rtsock_50_rt_ieee80211msg_hook, 178 (struct ifnet *ifp, int what, void *data, size_t data_len), 179 (ifp, what, data, data_len), __nothing); 180 181 MODULE_CALL_HOOK_DECL(rtsock_50_oifmsg_hook, void, (struct ifnet *ifp)); 182 MODULE_CALL_VOID_HOOK(rtsock_50_oifmsg_hook, (struct ifnet *ifp), (ifp), 183 __nothing); 184 185 /* 186 * MODULE_HOOK glue for rtsock70_newaddrmsg1, rtsock70_ifaddr_listaddr, 187 * and rtsock70_ifaddr_listif 188 */ 189 MODULE_CALL_HOOK_DECL(rtsock_70_newaddr_hook, void, (int, struct ifaddr *)); 190 MODULE_CALL_VOID_HOOK(rtsock_70_newaddr_hook, (int cmd, struct ifaddr *ifa), 191 (cmd, ifa), __nothing); 192 193 MODULE_CALL_HOOK_DECL(rtsock_70_iflist_hook, int, 194 (struct rt_walkarg *, struct ifaddr *, struct rt_addrinfo *)); 195 MODULE_CALL_HOOK(rtsock_70_iflist_hook, int, 196 (struct rt_walkarg *w, struct ifaddr *ifa, struct rt_addrinfo *info), 197 (w, ifa, info), 198 enosys()); 199 200 201 static int 202 if_addrflags(struct ifaddr *ifa) 203 { 204 205 switch (ifa->ifa_addr->sa_family) { 206 #ifdef INET 207 case AF_INET: 208 return ((struct in_ifaddr *)ifa)->ia4_flags; 209 #endif 210 #ifdef INET6 211 case AF_INET6: 212 return ((struct in6_ifaddr *)ifa)->ia6_flags; 213 #endif 214 default: 215 return 0; 216 } 217 } 218 219 220 /* 221 * Send a routing message as mimicing that a cloned route is added. 222 */ 223 void 224 rt_clonedmsg(const struct sockaddr *dst, const struct ifnet *ifp, 225 const struct rtentry *rt) 226 { 227 struct rt_addrinfo info; 228 /* Mimic flags exactly */ 229 #define RTF_LLINFO 0x400 230 #define RTF_CLONED 0x2000 231 int flags = RTF_UP | RTF_HOST | RTF_DONE | RTF_LLINFO | RTF_CLONED; 232 union { 233 struct sockaddr sa; 234 struct sockaddr_storage ss; 235 struct sockaddr_dl sdl; 236 } u; 237 uint8_t namelen = strlen(ifp->if_xname); 238 uint8_t addrlen = ifp->if_addrlen; 239 240 if (rt == NULL) 241 return; /* XXX */ 242 243 memset(&info, 0, sizeof(info)); 244 info.rti_info[RTAX_DST] = dst; 245 sockaddr_dl_init(&u.sdl, sizeof(u.ss), ifp->if_index, ifp->if_type, 246 NULL, namelen, NULL, addrlen); 247 info.rti_info[RTAX_GATEWAY] = &u.sa; 248 249 rt_missmsg(RTM_ADD, &info, flags, 0); 250 #undef RTF_LLINFO 251 #undef RTF_CLONED 252 } 253 254 255 /* 256 * The remaining code implements the routing-table sysctl node. It is 257 * compiled only for the non-COMPAT case. 258 */ 259 260 /* 261 * This is used in dumping the kernel table via sysctl(). 262 */ 263 static int 264 sysctl_dumpentry(struct rtentry *rt, void *v) 265 { 266 struct rt_walkarg *w = v; 267 int error = 0, size; 268 struct rt_addrinfo info; 269 270 if (w->w_op == NET_RT_FLAGS && !(rt->rt_flags & w->w_arg)) 271 return 0; 272 memset(&info, 0, sizeof(info)); 273 info.rti_info[RTAX_DST] = rt_getkey(rt); 274 info.rti_info[RTAX_GATEWAY] = rt->rt_gateway; 275 info.rti_info[RTAX_NETMASK] = rt_mask(rt); 276 info.rti_info[RTAX_TAG] = rt_gettag(rt); 277 if (rt->rt_ifp) { 278 const struct ifaddr *rtifa; 279 info.rti_info[RTAX_IFP] = rt->rt_ifp->if_dl->ifa_addr; 280 /* rtifa used to be simply rt->rt_ifa. If rt->rt_ifa != NULL, 281 * then rt_get_ifa() != NULL. So this ought to still be safe. 282 * --dyoung 283 */ 284 rtifa = rt_get_ifa(rt); 285 info.rti_info[RTAX_IFA] = rtifa->ifa_addr; 286 if (rt->rt_ifp->if_flags & IFF_POINTOPOINT) 287 info.rti_info[RTAX_BRD] = rtifa->ifa_dstaddr; 288 } 289 if ((error = rt_msg2(RTM_GET, &info, 0, w, &size))) 290 return error; 291 if (w->w_where && w->w_tmem && w->w_needed <= 0) { 292 struct rt_xmsghdr *rtm = (struct rt_xmsghdr *)w->w_tmem; 293 294 rtm->rtm_flags = rt->rt_flags; 295 rtm->rtm_use = rt->rt_use; 296 rtm_setmetrics(rt, rtm); 297 KASSERT(rt->rt_ifp != NULL); 298 rtm->rtm_index = rt->rt_ifp->if_index; 299 rtm->rtm_errno = rtm->rtm_pid = rtm->rtm_seq = 0; 300 rtm->rtm_addrs = info.rti_addrs; 301 if ((error = copyout(rtm, w->w_where, size)) != 0) 302 w->w_where = NULL; 303 else 304 w->w_where = (char *)w->w_where + size; 305 } 306 return error; 307 } 308 309 static int 310 sysctl_iflist_if(struct ifnet *ifp, struct rt_walkarg *w, 311 struct rt_addrinfo *info, size_t len) 312 { 313 struct if_xmsghdr *ifm; 314 int error; 315 316 ifm = (struct if_xmsghdr *)w->w_tmem; 317 ifm->ifm_index = ifp->if_index; 318 ifm->ifm_flags = ifp->if_flags; 319 ifm->ifm_data = ifp->if_data; 320 ifm->ifm_addrs = info->rti_addrs; 321 if ((error = copyout(ifm, w->w_where, len)) == 0) 322 w->w_where = (char *)w->w_where + len; 323 return error; 324 } 325 326 static int 327 sysctl_iflist_addr(struct rt_walkarg *w, struct ifaddr *ifa, 328 struct rt_addrinfo *info) 329 { 330 int len, error; 331 332 if ((error = rt_msg2(RTM_XNEWADDR, info, 0, w, &len))) 333 return error; 334 if (w->w_where && w->w_tmem && w->w_needed <= 0) { 335 struct ifa_xmsghdr *ifam; 336 337 ifam = (struct ifa_xmsghdr *)w->w_tmem; 338 ifam->ifam_index = ifa->ifa_ifp->if_index; 339 ifam->ifam_flags = ifa->ifa_flags; 340 ifam->ifam_metric = ifa->ifa_metric; 341 ifam->ifam_addrs = info->rti_addrs; 342 ifam->ifam_pid = 0; 343 ifam->ifam_addrflags = if_addrflags(ifa); 344 if ((error = copyout(w->w_tmem, w->w_where, len)) == 0) 345 w->w_where = (char *)w->w_where + len; 346 } 347 return error; 348 } 349 350 static int 351 sysctl_iflist(int af, struct rt_walkarg *w, int type) 352 { 353 struct ifnet *ifp; 354 struct ifaddr *ifa; 355 struct rt_addrinfo info; 356 int cmd, len, error = 0; 357 int s; 358 struct psref psref; 359 int bound; 360 361 switch (type) { 362 case NET_RT_IFLIST: 363 cmd = RTM_IFINFO; 364 break; 365 case NET_RT_OOOIFLIST: 366 cmd = RTM_OOIFINFO; 367 break; 368 case NET_RT_OOIFLIST: 369 cmd = RTM_OIFINFO; 370 break; 371 case NET_RT_OIFLIST: 372 cmd = RTM_IFINFO; 373 break; 374 default: 375 #ifdef RTSOCK_DEBUG 376 printf("%s: unsupported IFLIST type %d\n", __func__, type); 377 #endif 378 return EINVAL; 379 } 380 381 memset(&info, 0, sizeof(info)); 382 383 bound = curlwp_bind(); 384 s = pserialize_read_enter(); 385 IFNET_READER_FOREACH(ifp) { 386 int _s; 387 if (w->w_arg && w->w_arg != ifp->if_index) 388 continue; 389 if (IFADDR_READER_EMPTY(ifp)) 390 continue; 391 392 if_acquire(ifp, &psref); 393 pserialize_read_exit(s); 394 395 info.rti_info[RTAX_IFP] = ifp->if_dl->ifa_addr; 396 if ((error = rt_msg2(cmd, &info, NULL, w, &len)) != 0) 397 goto release_exit; 398 info.rti_info[RTAX_IFP] = NULL; 399 if (w->w_where && w->w_tmem && w->w_needed <= 0) { 400 switch (type) { 401 case NET_RT_OIFLIST: /* old _70 */ 402 if (!rtsock_70_iflist_hook.hooked) { 403 error = EINVAL; 404 break; 405 } 406 /* FALLTHROUGH */ 407 case NET_RT_IFLIST: /* current */ 408 error = sysctl_iflist_if(ifp, w, &info, len); 409 break; 410 case NET_RT_OOIFLIST: /* old _50 */ 411 error = rtsock_50_iflist_hook_call(ifp, w, &info, 412 len); 413 break; 414 case NET_RT_OOOIFLIST: /* old _14 */ 415 error = rtsock_14_iflist_hook_call(ifp, w, 416 &info, len); 417 break; 418 default: 419 error = EINVAL; 420 } 421 if (error != 0) { 422 if (error == ENOSYS) 423 error = EINVAL; 424 goto release_exit; 425 } 426 } 427 _s = pserialize_read_enter(); 428 IFADDR_READER_FOREACH(ifa, ifp) { 429 struct psref _psref; 430 if (af && af != ifa->ifa_addr->sa_family) 431 continue; 432 ifa_acquire(ifa, &_psref); 433 pserialize_read_exit(_s); 434 435 info.rti_info[RTAX_IFA] = ifa->ifa_addr; 436 info.rti_info[RTAX_NETMASK] = ifa->ifa_netmask; 437 info.rti_info[RTAX_BRD] = ifa->ifa_dstaddr; 438 switch (type) { 439 case NET_RT_IFLIST: 440 error = sysctl_iflist_addr(w, ifa, &info); 441 break; 442 case NET_RT_OIFLIST: 443 case NET_RT_OOIFLIST: 444 case NET_RT_OOOIFLIST: 445 error = rtsock_70_iflist_hook_call(w, ifa, 446 &info); 447 break; 448 default: 449 error = EINVAL; 450 } 451 452 _s = pserialize_read_enter(); 453 ifa_release(ifa, &_psref); 454 if (error != 0) { 455 pserialize_read_exit(_s); 456 goto release_exit; 457 } 458 } 459 pserialize_read_exit(_s); 460 info.rti_info[RTAX_IFA] = info.rti_info[RTAX_NETMASK] = 461 info.rti_info[RTAX_BRD] = NULL; 462 463 s = pserialize_read_enter(); 464 if_release(ifp, &psref); 465 } 466 pserialize_read_exit(s); 467 curlwp_bindx(bound); 468 469 return 0; 470 471 release_exit: 472 if_release(ifp, &psref); 473 curlwp_bindx(bound); 474 return error; 475 } 476 477 static int 478 sysctl_rtable(SYSCTLFN_ARGS) 479 { 480 void *where = oldp; 481 size_t *given = oldlenp; 482 int i, s, error = EINVAL; 483 u_char af; 484 struct rt_walkarg w; 485 486 if (namelen == 1 && name[0] == CTL_QUERY) 487 return sysctl_query(SYSCTLFN_CALL(rnode)); 488 489 if (newp) 490 return EPERM; 491 if (namelen != 3) 492 return EINVAL; 493 af = name[0]; 494 w.w_tmemneeded = 0; 495 w.w_tmemsize = 0; 496 w.w_tmem = NULL; 497 again: 498 /* we may return here if a later [re]alloc of the t_mem buffer fails */ 499 if (w.w_tmemneeded) { 500 w.w_tmem = kmem_zalloc(w.w_tmemneeded, KM_SLEEP); 501 w.w_tmemsize = w.w_tmemneeded; 502 w.w_tmemneeded = 0; 503 } 504 w.w_op = name[1]; 505 w.w_arg = name[2]; 506 w.w_given = *given; 507 w.w_needed = 0 - w.w_given; 508 w.w_where = where; 509 510 s = splsoftnet(); 511 switch (w.w_op) { 512 513 case NET_RT_DUMP: 514 case NET_RT_FLAGS: 515 #if defined(INET) || defined(INET6) 516 /* 517 * take care of llinfo entries, the caller must 518 * specify an AF 519 */ 520 if (w.w_op == NET_RT_FLAGS && 521 (w.w_arg == 0 || w.w_arg & RTF_LLDATA)) { 522 if (af != 0) 523 error = lltable_sysctl_dump(af, &w); 524 else 525 error = EINVAL; 526 break; 527 } 528 #endif 529 530 for (i = 1; i <= AF_MAX; i++) { 531 if (af == 0 || af == i) { 532 error = rt_walktree(i, sysctl_dumpentry, &w); 533 if (error != 0) 534 break; 535 #if defined(INET) || defined(INET6) 536 /* 537 * Return ARP/NDP entries too for 538 * backward compatibility. 539 */ 540 error = lltable_sysctl_dump(i, &w); 541 if (error != 0) 542 break; 543 #endif 544 } 545 } 546 break; 547 548 case NET_RT_OOOIFLIST: /* compat_14 */ 549 case NET_RT_OOIFLIST: /* compat_50 */ 550 case NET_RT_OIFLIST: /* compat_70 */ 551 case NET_RT_IFLIST: /* current */ 552 error = sysctl_iflist(af, &w, w.w_op); 553 break; 554 } 555 splx(s); 556 557 /* check to see if we couldn't allocate memory with NOWAIT */ 558 if (error == ENOBUFS && w.w_tmem == 0 && w.w_tmemneeded) 559 goto again; 560 561 if (w.w_tmem) 562 kmem_free(w.w_tmem, w.w_tmemsize); 563 w.w_needed += w.w_given; 564 if (where) { 565 *given = (char *)w.w_where - (char *)where; 566 if (*given < w.w_needed) 567 return ENOMEM; 568 } else { 569 *given = (11 * w.w_needed) / 10; 570 } 571 return error; 572 } 573 574 static void 575 sysctl_net_route_setup(struct sysctllog **clog) 576 { 577 const struct sysctlnode *rnode = NULL; 578 579 sysctl_createv(clog, 0, NULL, &rnode, 580 CTLFLAG_PERMANENT, 581 CTLTYPE_NODE, DOMAINNAME, 582 SYSCTL_DESCR("PF_ROUTE information"), 583 NULL, 0, NULL, 0, 584 CTL_NET, PF_XROUTE, CTL_EOL); 585 586 sysctl_createv(clog, 0, NULL, NULL, 587 CTLFLAG_PERMANENT, 588 CTLTYPE_NODE, "rtable", 589 SYSCTL_DESCR("Routing table information"), 590 sysctl_rtable, 0, NULL, 0, 591 CTL_NET, PF_XROUTE, 0 /* any protocol */, CTL_EOL); 592 593 sysctl_createv(clog, 0, &rnode, NULL, 594 CTLFLAG_PERMANENT, 595 CTLTYPE_STRUCT, "stats", 596 SYSCTL_DESCR("Routing statistics"), 597 NULL, 0, &rtstat, sizeof(rtstat), 598 CTL_CREATE, CTL_EOL); 599 } 600
Indexes created Fri Oct 03 02:09:57 GMT 2025