1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * 5 * Copyright (c) 1999-2001, Vitaly V Belekhov 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 unmodified, this list of conditions, and the following 13 * disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #include <sys/param.h> 34 #include <sys/eventhandler.h> 35 #include <sys/systm.h> 36 #include <sys/errno.h> 37 #include <sys/kernel.h> 38 #include <sys/malloc.h> 39 #include <sys/mbuf.h> 40 #include <sys/errno.h> 41 #include <sys/proc.h> 42 #include <sys/sockio.h> 43 #include <sys/socket.h> 44 #include <sys/syslog.h> 45 46 #include <net/if.h> 47 #include <net/if_var.h> 48 #include <net/if_media.h> 49 #include <net/if_types.h> 50 #include <net/netisr.h> 51 #include <net/route.h> 52 #include <net/vnet.h> 53 54 #include <netgraph/ng_message.h> 55 #include <netgraph/netgraph.h> 56 #include <netgraph/ng_parse.h> 57 #include <netgraph/ng_eiface.h> 58 59 #include <net/bpf.h> 60 #include <net/ethernet.h> 61 #include <net/if_arp.h> 62 63 static const struct ng_cmdlist ng_eiface_cmdlist[] = { 64 { 65 NGM_EIFACE_COOKIE, 66 NGM_EIFACE_GET_IFNAME, 67 "getifname", 68 NULL, 69 &ng_parse_string_type 70 }, 71 { 72 NGM_EIFACE_COOKIE, 73 NGM_EIFACE_SET, 74 "set", 75 &ng_parse_enaddr_type, 76 NULL 77 }, 78 { 0 } 79 }; 80 81 /* Node private data */ 82 struct ng_eiface_private { 83 struct ifnet *ifp; /* per-interface network data */ 84 struct ifmedia media; /* (fake) media information */ 85 int link_status; /* fake */ 86 int unit; /* Interface unit number */ 87 node_p node; /* Our netgraph node */ 88 hook_p ether; /* Hook for ethernet stream */ 89 }; 90 typedef struct ng_eiface_private *priv_p; 91 92 /* Interface methods */ 93 static void ng_eiface_init(void *xsc); 94 static void ng_eiface_start(struct ifnet *ifp); 95 static int ng_eiface_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data); 96 #ifdef DEBUG 97 static void ng_eiface_print_ioctl(struct ifnet *ifp, int cmd, caddr_t data); 98 #endif 99 100 /* Netgraph methods */ 101 static int ng_eiface_mod_event(module_t, int, void *); 102 static ng_constructor_t ng_eiface_constructor; 103 static ng_rcvmsg_t ng_eiface_rcvmsg; 104 static ng_shutdown_t ng_eiface_rmnode; 105 static ng_newhook_t ng_eiface_newhook; 106 static ng_rcvdata_t ng_eiface_rcvdata; 107 static ng_disconnect_t ng_eiface_disconnect; 108 109 /* Node type descriptor */ 110 static struct ng_type typestruct = { 111 .version = NG_ABI_VERSION, 112 .name = NG_EIFACE_NODE_TYPE, 113 .mod_event = ng_eiface_mod_event, 114 .constructor = ng_eiface_constructor, 115 .rcvmsg = ng_eiface_rcvmsg, 116 .shutdown = ng_eiface_rmnode, 117 .newhook = ng_eiface_newhook, 118 .rcvdata = ng_eiface_rcvdata, 119 .disconnect = ng_eiface_disconnect, 120 .cmdlist = ng_eiface_cmdlist 121 }; 122 NETGRAPH_INIT(eiface, &typestruct); 123 124 VNET_DEFINE_STATIC(struct unrhdr *, ng_eiface_unit); 125 #define V_ng_eiface_unit VNET(ng_eiface_unit) 126 127 /************************************************************************ 128 INTERFACE STUFF 129 ************************************************************************/ 130 131 /* 132 * Process an ioctl for the virtual interface 133 */ 134 static int 135 ng_eiface_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 136 { 137 const priv_p priv = (priv_p)ifp->if_softc; 138 struct ifreq *const ifr = (struct ifreq *)data; 139 int error = 0; 140 141 #ifdef DEBUG 142 ng_eiface_print_ioctl(ifp, command, data); 143 #endif 144 switch (command) { 145 /* These two are mostly handled at a higher layer */ 146 case SIOCSIFADDR: 147 error = ether_ioctl(ifp, command, data); 148 break; 149 case SIOCGIFADDR: 150 break; 151 152 /* Set flags */ 153 case SIOCSIFFLAGS: 154 /* 155 * If the interface is marked up and stopped, then start it. 156 * If it is marked down and running, then stop it. 157 */ 158 if (ifp->if_flags & IFF_UP) { 159 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 160 ifp->if_drv_flags &= ~(IFF_DRV_OACTIVE); 161 ifp->if_drv_flags |= IFF_DRV_RUNNING; 162 } 163 } else { 164 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 165 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | 166 IFF_DRV_OACTIVE); 167 } 168 break; 169 170 /* Set the interface MTU */ 171 case SIOCSIFMTU: 172 if (ifr->ifr_mtu > NG_EIFACE_MTU_MAX || 173 ifr->ifr_mtu < NG_EIFACE_MTU_MIN) 174 error = EINVAL; 175 else 176 ifp->if_mtu = ifr->ifr_mtu; 177 break; 178 179 /* (Fake) media type manipulation */ 180 case SIOCSIFMEDIA: 181 case SIOCGIFMEDIA: 182 error = ifmedia_ioctl(ifp, ifr, &priv->media, command); 183 break; 184 185 /* Stuff that's not supported */ 186 case SIOCADDMULTI: 187 case SIOCDELMULTI: 188 error = 0; 189 break; 190 case SIOCSIFPHYS: 191 error = EOPNOTSUPP; 192 break; 193 194 default: 195 error = EINVAL; 196 break; 197 } 198 return (error); 199 } 200 201 static void 202 ng_eiface_init(void *xsc) 203 { 204 priv_p sc = xsc; 205 struct ifnet *ifp = sc->ifp; 206 207 ifp->if_drv_flags |= IFF_DRV_RUNNING; 208 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 209 } 210 211 /* 212 * We simply relay the packet to the "ether" hook, if it is connected. 213 * We have been through the netgraph locking and are guaranteed to 214 * be the only code running in this node at this time. 215 */ 216 static void 217 ng_eiface_start2(node_p node, hook_p hook, void *arg1, int arg2) 218 { 219 struct ifnet *ifp = arg1; 220 const priv_p priv = (priv_p)ifp->if_softc; 221 int error = 0; 222 struct mbuf *m; 223 224 /* Check interface flags */ 225 226 if (!((ifp->if_flags & IFF_UP) && 227 (ifp->if_drv_flags & IFF_DRV_RUNNING))) 228 return; 229 230 for (;;) { 231 /* 232 * Grab a packet to transmit. 233 */ 234 IF_DEQUEUE(&ifp->if_snd, m); 235 236 /* If there's nothing to send, break. */ 237 if (m == NULL) 238 break; 239 240 /* Peel the mbuf off any stale tags */ 241 m_tag_delete_chain(m, NULL); 242 243 /* 244 * Berkeley packet filter. 245 * Pass packet to bpf if there is a listener. 246 * XXX is this safe? locking? 247 */ 248 BPF_MTAP(ifp, m); 249 250 if (ifp->if_flags & IFF_MONITOR) { 251 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 252 m_freem(m); 253 continue; 254 } 255 256 /* 257 * Send packet; if hook is not connected, mbuf will get 258 * freed. 259 */ 260 NG_OUTBOUND_THREAD_REF(); 261 NG_SEND_DATA_ONLY(error, priv->ether, m); 262 NG_OUTBOUND_THREAD_UNREF(); 263 264 /* Update stats */ 265 if (error == 0) 266 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 267 else 268 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 269 } 270 271 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 272 273 return; 274 } 275 276 /* 277 * This routine is called to deliver a packet out the interface. 278 * We simply queue the netgraph version to be called when netgraph locking 279 * allows it to happen. 280 * Until we know what the rest of the networking code is doing for 281 * locking, we don't know how we will interact with it. 282 * Take comfort from the fact that the ifnet struct is part of our 283 * private info and can't go away while we are queued. 284 * [Though we don't know it is still there now....] 285 * it is possible we don't gain anything from this because 286 * we would like to get the mbuf and queue it as data 287 * somehow, but we can't and if we did would we solve anything? 288 */ 289 static void 290 ng_eiface_start(struct ifnet *ifp) 291 { 292 const priv_p priv = (priv_p)ifp->if_softc; 293 294 /* Don't do anything if output is active */ 295 if (ifp->if_drv_flags & IFF_DRV_OACTIVE) 296 return; 297 298 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 299 300 if (ng_send_fn(priv->node, NULL, &ng_eiface_start2, ifp, 0) != 0) 301 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 302 } 303 304 #ifdef DEBUG 305 /* 306 * Display an ioctl to the virtual interface 307 */ 308 309 static void 310 ng_eiface_print_ioctl(struct ifnet *ifp, int command, caddr_t data) 311 { 312 char *str; 313 314 switch (command & IOC_DIRMASK) { 315 case IOC_VOID: 316 str = "IO"; 317 break; 318 case IOC_OUT: 319 str = "IOR"; 320 break; 321 case IOC_IN: 322 str = "IOW"; 323 break; 324 case IOC_INOUT: 325 str = "IORW"; 326 break; 327 default: 328 str = "IO??"; 329 } 330 log(LOG_DEBUG, "%s: %s('%c', %d, char[%d])\n", 331 ifp->if_xname, 332 str, 333 IOCGROUP(command), 334 command & 0xff, 335 IOCPARM_LEN(command)); 336 } 337 #endif /* DEBUG */ 338 339 /* 340 * ifmedia stuff 341 */ 342 static int 343 ng_eiface_mediachange(struct ifnet *ifp) 344 { 345 const priv_p priv = (priv_p)ifp->if_softc; 346 struct ifmedia *ifm = &priv->media; 347 348 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 349 return (EINVAL); 350 if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) 351 ifp->if_baudrate = ifmedia_baudrate(IFM_ETHER | IFM_1000_T); 352 else 353 ifp->if_baudrate = ifmedia_baudrate(ifm->ifm_media); 354 355 return (0); 356 } 357 358 static void 359 ng_eiface_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 360 { 361 const priv_p priv = (priv_p)ifp->if_softc; 362 struct ifmedia *ifm = &priv->media; 363 364 if (ifm->ifm_cur->ifm_media == (IFM_ETHER | IFM_AUTO) && 365 (priv->link_status & IFM_ACTIVE)) 366 ifmr->ifm_active = IFM_ETHER | IFM_1000_T | IFM_FDX; 367 else 368 ifmr->ifm_active = ifm->ifm_cur->ifm_media; 369 ifmr->ifm_status = priv->link_status; 370 371 return; 372 } 373 374 /************************************************************************ 375 NETGRAPH NODE STUFF 376 ************************************************************************/ 377 378 /* 379 * Constructor for a node 380 */ 381 static int 382 ng_eiface_constructor(node_p node) 383 { 384 struct ifnet *ifp; 385 priv_p priv; 386 struct ether_addr eaddr; 387 388 /* Allocate node and interface private structures */ 389 priv = malloc(sizeof(*priv), M_NETGRAPH, M_WAITOK | M_ZERO); 390 391 ifp = priv->ifp = if_alloc(IFT_ETHER); 392 if (ifp == NULL) { 393 free(priv, M_NETGRAPH); 394 return (ENOSPC); 395 } 396 397 /* Link them together */ 398 ifp->if_softc = priv; 399 400 /* Get an interface unit number */ 401 priv->unit = alloc_unr(V_ng_eiface_unit); 402 403 /* Link together node and private info */ 404 NG_NODE_SET_PRIVATE(node, priv); 405 priv->node = node; 406 407 /* Initialize interface structure */ 408 if_initname(ifp, NG_EIFACE_EIFACE_NAME, priv->unit); 409 ifp->if_init = ng_eiface_init; 410 ifp->if_output = ether_output; 411 ifp->if_start = ng_eiface_start; 412 ifp->if_ioctl = ng_eiface_ioctl; 413 ifp->if_snd.ifq_maxlen = ifqmaxlen; 414 ifp->if_flags = (IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST); 415 ifp->if_capabilities = IFCAP_VLAN_MTU | IFCAP_JUMBO_MTU; 416 ifp->if_capenable = IFCAP_VLAN_MTU | IFCAP_JUMBO_MTU; 417 ifmedia_init(&priv->media, 0, ng_eiface_mediachange, 418 ng_eiface_mediastatus); 419 ifmedia_add(&priv->media, IFM_ETHER | IFM_10_T, 0, NULL); 420 ifmedia_add(&priv->media, IFM_ETHER | IFM_10_T | IFM_FDX, 0, NULL); 421 ifmedia_add(&priv->media, IFM_ETHER | IFM_100_TX, 0, NULL); 422 ifmedia_add(&priv->media, IFM_ETHER | IFM_100_TX | IFM_FDX, 0, NULL); 423 ifmedia_add(&priv->media, IFM_ETHER | IFM_1000_T, 0, NULL); 424 ifmedia_add(&priv->media, IFM_ETHER | IFM_1000_T | IFM_FDX, 0, NULL); 425 ifmedia_add(&priv->media, IFM_ETHER | IFM_10G_T | IFM_FDX, 0, NULL); 426 ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL); 427 ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO); 428 priv->link_status = IFM_AVALID; 429 430 /* Give this node the same name as the interface (if possible) */ 431 if (ng_name_node(node, ifp->if_xname) != 0) 432 log(LOG_WARNING, "%s: can't acquire netgraph name\n", 433 ifp->if_xname); 434 435 /* Attach the interface */ 436 ether_gen_addr(ifp, &eaddr); 437 ether_ifattach(ifp, eaddr.octet); 438 ifp->if_baudrate = ifmedia_baudrate(IFM_ETHER | IFM_1000_T); 439 440 /* Done */ 441 return (0); 442 } 443 444 /* 445 * Give our ok for a hook to be added 446 */ 447 static int 448 ng_eiface_newhook(node_p node, hook_p hook, const char *name) 449 { 450 priv_p priv = NG_NODE_PRIVATE(node); 451 struct ifnet *ifp = priv->ifp; 452 453 if (strcmp(name, NG_EIFACE_HOOK_ETHER)) 454 return (EPFNOSUPPORT); 455 if (priv->ether != NULL) 456 return (EISCONN); 457 priv->ether = hook; 458 NG_HOOK_SET_PRIVATE(hook, &priv->ether); 459 NG_HOOK_SET_TO_INBOUND(hook); 460 461 priv->link_status |= IFM_ACTIVE; 462 CURVNET_SET_QUIET(ifp->if_vnet); 463 if_link_state_change(ifp, LINK_STATE_UP); 464 CURVNET_RESTORE(); 465 466 return (0); 467 } 468 469 /* 470 * Receive a control message 471 */ 472 static int 473 ng_eiface_rcvmsg(node_p node, item_p item, hook_p lasthook) 474 { 475 const priv_p priv = NG_NODE_PRIVATE(node); 476 struct ifnet *const ifp = priv->ifp; 477 struct ng_mesg *resp = NULL; 478 int error = 0; 479 struct ng_mesg *msg; 480 481 NGI_GET_MSG(item, msg); 482 switch (msg->header.typecookie) { 483 case NGM_EIFACE_COOKIE: 484 switch (msg->header.cmd) { 485 case NGM_EIFACE_SET: 486 { 487 if (msg->header.arglen != ETHER_ADDR_LEN) { 488 error = EINVAL; 489 break; 490 } 491 error = if_setlladdr(priv->ifp, 492 (u_char *)msg->data, ETHER_ADDR_LEN); 493 break; 494 } 495 496 case NGM_EIFACE_GET_IFNAME: 497 NG_MKRESPONSE(resp, msg, IFNAMSIZ, M_NOWAIT); 498 if (resp == NULL) { 499 error = ENOMEM; 500 break; 501 } 502 strlcpy(resp->data, ifp->if_xname, IFNAMSIZ); 503 break; 504 505 case NGM_EIFACE_GET_IFADDRS: 506 { 507 struct epoch_tracker et; 508 struct ifaddr *ifa; 509 caddr_t ptr; 510 int buflen; 511 512 /* Determine size of response and allocate it */ 513 buflen = 0; 514 NET_EPOCH_ENTER(et); 515 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) 516 buflen += SA_SIZE(ifa->ifa_addr); 517 NG_MKRESPONSE(resp, msg, buflen, M_NOWAIT); 518 if (resp == NULL) { 519 NET_EPOCH_EXIT(et); 520 error = ENOMEM; 521 break; 522 } 523 524 /* Add addresses */ 525 ptr = resp->data; 526 CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { 527 const int len = SA_SIZE(ifa->ifa_addr); 528 529 if (buflen < len) { 530 log(LOG_ERR, "%s: len changed?\n", 531 ifp->if_xname); 532 break; 533 } 534 bcopy(ifa->ifa_addr, ptr, len); 535 ptr += len; 536 buflen -= len; 537 } 538 NET_EPOCH_EXIT(et); 539 break; 540 } 541 542 default: 543 error = EINVAL; 544 break; 545 } /* end of inner switch() */ 546 break; 547 case NGM_FLOW_COOKIE: 548 CURVNET_SET_QUIET(ifp->if_vnet); 549 switch (msg->header.cmd) { 550 case NGM_LINK_IS_UP: 551 priv->link_status |= IFM_ACTIVE; 552 if_link_state_change(ifp, LINK_STATE_UP); 553 break; 554 case NGM_LINK_IS_DOWN: 555 priv->link_status &= ~IFM_ACTIVE; 556 if_link_state_change(ifp, LINK_STATE_DOWN); 557 break; 558 default: 559 break; 560 } 561 CURVNET_RESTORE(); 562 break; 563 default: 564 error = EINVAL; 565 break; 566 } 567 NG_RESPOND_MSG(error, node, item, resp); 568 NG_FREE_MSG(msg); 569 return (error); 570 } 571 572 /* 573 * Receive data from a hook. Pass the packet to the ether_input routine. 574 */ 575 static int 576 ng_eiface_rcvdata(hook_p hook, item_p item) 577 { 578 const priv_p priv = NG_NODE_PRIVATE(NG_HOOK_NODE(hook)); 579 struct ifnet *const ifp = priv->ifp; 580 struct mbuf *m; 581 582 NGI_GET_M(item, m); 583 NG_FREE_ITEM(item); 584 585 if (!((ifp->if_flags & IFF_UP) && 586 (ifp->if_drv_flags & IFF_DRV_RUNNING))) { 587 NG_FREE_M(m); 588 return (ENETDOWN); 589 } 590 591 if (m->m_len < ETHER_HDR_LEN) { 592 m = m_pullup(m, ETHER_HDR_LEN); 593 if (m == NULL) 594 return (EINVAL); 595 } 596 597 /* Note receiving interface */ 598 m->m_pkthdr.rcvif = ifp; 599 600 /* Update interface stats */ 601 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 602 603 (*ifp->if_input)(ifp, m); 604 605 /* Done */ 606 return (0); 607 } 608 609 /* 610 * Shutdown processing. 611 */ 612 static int 613 ng_eiface_rmnode(node_p node) 614 { 615 const priv_p priv = NG_NODE_PRIVATE(node); 616 struct ifnet *const ifp = priv->ifp; 617 618 /* 619 * the ifnet may be in a different vnet than the netgraph node, 620 * hence we have to change the current vnet context here. 621 */ 622 CURVNET_SET_QUIET(ifp->if_vnet); 623 ether_ifdetach(ifp); 624 ifmedia_removeall(&priv->media); 625 if_free(ifp); 626 CURVNET_RESTORE(); 627 free_unr(V_ng_eiface_unit, priv->unit); 628 free(priv, M_NETGRAPH); 629 NG_NODE_SET_PRIVATE(node, NULL); 630 NG_NODE_UNREF(node); 631 return (0); 632 } 633 634 /* 635 * Hook disconnection 636 */ 637 static int 638 ng_eiface_disconnect(hook_p hook) 639 { 640 const priv_p priv = NG_NODE_PRIVATE(NG_HOOK_NODE(hook)); 641 642 priv->ether = NULL; 643 priv->link_status &= ~IFM_ACTIVE; 644 CURVNET_SET_QUIET(priv->ifp->if_vnet); 645 if_link_state_change(priv->ifp, LINK_STATE_DOWN); 646 CURVNET_RESTORE(); 647 return (0); 648 } 649 650 /* 651 * Handle loading and unloading for this node type. 652 */ 653 static int 654 ng_eiface_mod_event(module_t mod, int event, void *data) 655 { 656 int error = 0; 657 658 switch (event) { 659 case MOD_LOAD: 660 case MOD_UNLOAD: 661 break; 662 default: 663 error = EOPNOTSUPP; 664 break; 665 } 666 return (error); 667 } 668 669 static void 670 vnet_ng_eiface_init(const void *unused) 671 { 672 673 V_ng_eiface_unit = new_unrhdr(0, 0xffff, NULL); 674 } 675 VNET_SYSINIT(vnet_ng_eiface_init, SI_SUB_PSEUDO, SI_ORDER_ANY, 676 vnet_ng_eiface_init, NULL); 677 678 static void 679 vnet_ng_eiface_uninit(const void *unused) 680 { 681 682 delete_unrhdr(V_ng_eiface_unit); 683 } 684 VNET_SYSUNINIT(vnet_ng_eiface_uninit, SI_SUB_INIT_IF, SI_ORDER_ANY, 685 vnet_ng_eiface_uninit, NULL); 686