1 /*- 2 * Copyright (c) 2014, Bryan Venteicher <bryanv@FreeBSD.org> 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 unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/ioctl.h> 32 #include <sys/socket.h> 33 #include <sys/sockio.h> 34 35 #include <stdlib.h> 36 #include <stdint.h> 37 #include <unistd.h> 38 #include <netdb.h> 39 40 #include <net/ethernet.h> 41 #include <net/if.h> 42 #include <net/if_vxlan.h> 43 #include <net/route.h> 44 #include <netinet/in.h> 45 46 #include <ctype.h> 47 #include <stdio.h> 48 #include <string.h> 49 #include <stdlib.h> 50 #include <unistd.h> 51 #include <err.h> 52 #include <errno.h> 53 54 #include "ifconfig.h" 55 56 static struct ifvxlanparam params = { 57 .vxlp_vni = VXLAN_VNI_MAX, 58 }; 59 60 static int 61 get_val(const char *cp, u_long *valp) 62 { 63 char *endptr; 64 u_long val; 65 66 errno = 0; 67 val = strtoul(cp, &endptr, 0); 68 if (cp[0] == '\0' || endptr[0] != '\0' || errno == ERANGE) 69 return (-1); 70 71 *valp = val; 72 return (0); 73 } 74 75 static int 76 do_cmd(int sock, u_long op, void *arg, size_t argsize, int set) 77 { 78 struct ifdrv ifd; 79 80 bzero(&ifd, sizeof(ifd)); 81 82 strlcpy(ifd.ifd_name, ifr.ifr_name, sizeof(ifd.ifd_name)); 83 ifd.ifd_cmd = op; 84 ifd.ifd_len = argsize; 85 ifd.ifd_data = arg; 86 87 return (ioctl(sock, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd)); 88 } 89 90 static int 91 vxlan_exists(int sock) 92 { 93 struct ifvxlancfg cfg; 94 95 bzero(&cfg, sizeof(cfg)); 96 97 return (do_cmd(sock, VXLAN_CMD_GET_CONFIG, &cfg, sizeof(cfg), 0) != -1); 98 } 99 100 static void 101 vxlan_status(int s) 102 { 103 struct ifvxlancfg cfg; 104 char src[NI_MAXHOST], dst[NI_MAXHOST]; 105 char srcport[NI_MAXSERV], dstport[NI_MAXSERV]; 106 struct sockaddr *lsa, *rsa; 107 int vni, mc, ipv6; 108 109 bzero(&cfg, sizeof(cfg)); 110 111 if (do_cmd(s, VXLAN_CMD_GET_CONFIG, &cfg, sizeof(cfg), 0) < 0) 112 return; 113 114 vni = cfg.vxlc_vni; 115 lsa = &cfg.vxlc_local_sa.sa; 116 rsa = &cfg.vxlc_remote_sa.sa; 117 ipv6 = rsa->sa_family == AF_INET6; 118 119 /* Just report nothing if the network identity isn't set yet. */ 120 if (vni >= VXLAN_VNI_MAX) 121 return; 122 123 if (getnameinfo(lsa, lsa->sa_len, src, sizeof(src), 124 srcport, sizeof(srcport), NI_NUMERICHOST | NI_NUMERICSERV) != 0) 125 src[0] = srcport[0] = '\0'; 126 if (getnameinfo(rsa, rsa->sa_len, dst, sizeof(dst), 127 dstport, sizeof(dstport), NI_NUMERICHOST | NI_NUMERICSERV) != 0) 128 dst[0] = dstport[0] = '\0'; 129 130 if (!ipv6) { 131 struct sockaddr_in *sin = (struct sockaddr_in *)rsa; 132 mc = IN_MULTICAST(ntohl(sin->sin_addr.s_addr)); 133 } else { 134 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)rsa; 135 mc = IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr); 136 } 137 138 printf("\tvxlan vni %d", vni); 139 printf(" local %s%s%s:%s", ipv6 ? "[" : "", src, ipv6 ? "]" : "", 140 srcport); 141 printf(" %s %s%s%s:%s", mc ? "group" : "remote", ipv6 ? "[" : "", 142 dst, ipv6 ? "]" : "", dstport); 143 144 if (verbose) { 145 printf("\n\t\tconfig: "); 146 printf("%slearning portrange %d-%d ttl %d", 147 cfg.vxlc_learn ? "" : "no", cfg.vxlc_port_min, 148 cfg.vxlc_port_max, cfg.vxlc_ttl); 149 printf("\n\t\tftable: "); 150 printf("cnt %d max %d timeout %d", 151 cfg.vxlc_ftable_cnt, cfg.vxlc_ftable_max, 152 cfg.vxlc_ftable_timeout); 153 } 154 155 putchar('\n'); 156 } 157 158 #define _LOCAL_ADDR46 \ 159 (VXLAN_PARAM_WITH_LOCAL_ADDR4 | VXLAN_PARAM_WITH_LOCAL_ADDR6) 160 #define _REMOTE_ADDR46 \ 161 (VXLAN_PARAM_WITH_REMOTE_ADDR4 | VXLAN_PARAM_WITH_REMOTE_ADDR6) 162 163 static void 164 vxlan_check_params(void) 165 { 166 167 if ((params.vxlp_with & _LOCAL_ADDR46) == _LOCAL_ADDR46) 168 errx(1, "cannot specify both local IPv4 and IPv6 addresses"); 169 if ((params.vxlp_with & _REMOTE_ADDR46) == _REMOTE_ADDR46) 170 errx(1, "cannot specify both remote IPv4 and IPv6 addresses"); 171 if ((params.vxlp_with & VXLAN_PARAM_WITH_LOCAL_ADDR4 && 172 params.vxlp_with & VXLAN_PARAM_WITH_REMOTE_ADDR6) || 173 (params.vxlp_with & VXLAN_PARAM_WITH_LOCAL_ADDR6 && 174 params.vxlp_with & VXLAN_PARAM_WITH_REMOTE_ADDR4)) 175 errx(1, "cannot mix IPv4 and IPv6 addresses"); 176 } 177 178 #undef _LOCAL_ADDR46 179 #undef _REMOTE_ADDR46 180 181 static void 182 vxlan_cb(int s, void *arg) 183 { 184 185 } 186 187 static void 188 vxlan_create(int s, struct ifreq *ifr) 189 { 190 191 vxlan_check_params(); 192 193 ifr->ifr_data = (caddr_t) ¶ms; 194 if (ioctl(s, SIOCIFCREATE2, ifr) < 0) 195 err(1, "SIOCIFCREATE2"); 196 } 197 198 static 199 DECL_CMD_FUNC(setvxlan_vni, arg, d) 200 { 201 struct ifvxlancmd cmd; 202 u_long val; 203 204 if (get_val(arg, &val) < 0 || val >= VXLAN_VNI_MAX) 205 errx(1, "invalid network identifier: %s", arg); 206 207 if (!vxlan_exists(s)) { 208 params.vxlp_with |= VXLAN_PARAM_WITH_VNI; 209 params.vxlp_vni = val; 210 return; 211 } 212 213 bzero(&cmd, sizeof(cmd)); 214 cmd.vxlcmd_vni = val; 215 216 if (do_cmd(s, VXLAN_CMD_SET_VNI, &cmd, sizeof(cmd), 1) < 0) 217 err(1, "VXLAN_CMD_SET_VNI"); 218 } 219 220 static 221 DECL_CMD_FUNC(setvxlan_local, addr, d) 222 { 223 struct ifvxlancmd cmd; 224 struct addrinfo *ai; 225 struct sockaddr *sa; 226 int error; 227 228 bzero(&cmd, sizeof(cmd)); 229 230 if ((error = getaddrinfo(addr, NULL, NULL, &ai)) != 0) 231 errx(1, "error in parsing local address string: %s", 232 gai_strerror(error)); 233 234 sa = ai->ai_addr; 235 236 switch (ai->ai_family) { 237 #ifdef INET 238 case AF_INET: { 239 struct sockaddr_in *sin = (struct sockaddr_in *)sa; 240 241 if (IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) 242 errx(1, "local address cannot be multicast"); 243 244 cmd.vxlcmd_sa.in4 = *sin; 245 break; 246 } 247 #endif 248 #ifdef INET6 249 case AF_INET6: { 250 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa; 251 252 if (IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr)) 253 errx(1, "local address cannot be multicast"); 254 255 cmd.vxlcmd_sa.in6 = *sin6; 256 break; 257 } 258 #endif 259 default: 260 errx(1, "local address %s not supported", addr); 261 } 262 263 freeaddrinfo(ai); 264 265 if (!vxlan_exists(s)) { 266 if (cmd.vxlcmd_sa.sa.sa_family == AF_INET) { 267 params.vxlp_with |= VXLAN_PARAM_WITH_LOCAL_ADDR4; 268 params.vxlp_local_sa.in4 = cmd.vxlcmd_sa.in4; 269 } else { 270 params.vxlp_with |= VXLAN_PARAM_WITH_LOCAL_ADDR6; 271 params.vxlp_local_sa.in6 = cmd.vxlcmd_sa.in6; 272 } 273 return; 274 } 275 276 if (do_cmd(s, VXLAN_CMD_SET_LOCAL_ADDR, &cmd, sizeof(cmd), 1) < 0) 277 err(1, "VXLAN_CMD_SET_LOCAL_ADDR"); 278 } 279 280 static 281 DECL_CMD_FUNC(setvxlan_remote, addr, d) 282 { 283 struct ifvxlancmd cmd; 284 struct addrinfo *ai; 285 struct sockaddr *sa; 286 int error; 287 288 bzero(&cmd, sizeof(cmd)); 289 290 if ((error = getaddrinfo(addr, NULL, NULL, &ai)) != 0) 291 errx(1, "error in parsing remote address string: %s", 292 gai_strerror(error)); 293 294 sa = ai->ai_addr; 295 296 switch (ai->ai_family) { 297 #ifdef INET 298 case AF_INET: { 299 struct sockaddr_in *sin = (struct sockaddr_in *)sa; 300 301 if (IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) 302 errx(1, "remote address cannot be multicast"); 303 304 cmd.vxlcmd_sa.in4 = *sin; 305 break; 306 } 307 #endif 308 #ifdef INET6 309 case AF_INET6: { 310 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa; 311 312 if (IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr)) 313 errx(1, "remote address cannot be multicast"); 314 315 cmd.vxlcmd_sa.in6 = *sin6; 316 break; 317 } 318 #endif 319 default: 320 errx(1, "remote address %s not supported", addr); 321 } 322 323 freeaddrinfo(ai); 324 325 if (!vxlan_exists(s)) { 326 if (cmd.vxlcmd_sa.sa.sa_family == AF_INET) { 327 params.vxlp_with |= VXLAN_PARAM_WITH_REMOTE_ADDR4; 328 params.vxlp_remote_sa.in4 = cmd.vxlcmd_sa.in4; 329 } else { 330 params.vxlp_with |= VXLAN_PARAM_WITH_REMOTE_ADDR6; 331 params.vxlp_remote_sa.in6 = cmd.vxlcmd_sa.in6; 332 } 333 return; 334 } 335 336 if (do_cmd(s, VXLAN_CMD_SET_REMOTE_ADDR, &cmd, sizeof(cmd), 1) < 0) 337 err(1, "VXLAN_CMD_SET_REMOTE_ADDR"); 338 } 339 340 static 341 DECL_CMD_FUNC(setvxlan_group, addr, d) 342 { 343 struct ifvxlancmd cmd; 344 struct addrinfo *ai; 345 struct sockaddr *sa; 346 int error; 347 348 bzero(&cmd, sizeof(cmd)); 349 350 if ((error = getaddrinfo(addr, NULL, NULL, &ai)) != 0) 351 errx(1, "error in parsing group address string: %s", 352 gai_strerror(error)); 353 354 sa = ai->ai_addr; 355 356 switch (ai->ai_family) { 357 #ifdef INET 358 case AF_INET: { 359 struct sockaddr_in *sin = (struct sockaddr_in *)sa; 360 361 if (!IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) 362 errx(1, "group address must be multicast"); 363 364 cmd.vxlcmd_sa.in4 = *sin; 365 break; 366 } 367 #endif 368 #ifdef INET6 369 case AF_INET6: { 370 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa; 371 372 if (!IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr)) 373 errx(1, "group address must be multicast"); 374 375 cmd.vxlcmd_sa.in6 = *sin6; 376 break; 377 } 378 #endif 379 default: 380 errx(1, "group address %s not supported", addr); 381 } 382 383 freeaddrinfo(ai); 384 385 if (!vxlan_exists(s)) { 386 if (cmd.vxlcmd_sa.sa.sa_family == AF_INET) { 387 params.vxlp_with |= VXLAN_PARAM_WITH_REMOTE_ADDR4; 388 params.vxlp_remote_sa.in4 = cmd.vxlcmd_sa.in4; 389 } else { 390 params.vxlp_with |= VXLAN_PARAM_WITH_REMOTE_ADDR6; 391 params.vxlp_remote_sa.in6 = cmd.vxlcmd_sa.in6; 392 } 393 return; 394 } 395 396 if (do_cmd(s, VXLAN_CMD_SET_REMOTE_ADDR, &cmd, sizeof(cmd), 1) < 0) 397 err(1, "VXLAN_CMD_SET_REMOTE_ADDR"); 398 } 399 400 static 401 DECL_CMD_FUNC(setvxlan_local_port, arg, d) 402 { 403 struct ifvxlancmd cmd; 404 u_long val; 405 406 if (get_val(arg, &val) < 0 || val >= UINT16_MAX) 407 errx(1, "invalid local port: %s", arg); 408 409 if (!vxlan_exists(s)) { 410 params.vxlp_with |= VXLAN_PARAM_WITH_LOCAL_PORT; 411 params.vxlp_local_port = val; 412 return; 413 } 414 415 bzero(&cmd, sizeof(cmd)); 416 cmd.vxlcmd_port = val; 417 418 if (do_cmd(s, VXLAN_CMD_SET_LOCAL_PORT, &cmd, sizeof(cmd), 1) < 0) 419 err(1, "VXLAN_CMD_SET_LOCAL_PORT"); 420 } 421 422 static 423 DECL_CMD_FUNC(setvxlan_remote_port, arg, d) 424 { 425 struct ifvxlancmd cmd; 426 u_long val; 427 428 if (get_val(arg, &val) < 0 || val >= UINT16_MAX) 429 errx(1, "invalid remote port: %s", arg); 430 431 if (!vxlan_exists(s)) { 432 params.vxlp_with |= VXLAN_PARAM_WITH_REMOTE_PORT; 433 params.vxlp_remote_port = val; 434 return; 435 } 436 437 bzero(&cmd, sizeof(cmd)); 438 cmd.vxlcmd_port = val; 439 440 if (do_cmd(s, VXLAN_CMD_SET_REMOTE_PORT, &cmd, sizeof(cmd), 1) < 0) 441 err(1, "VXLAN_CMD_SET_REMOTE_PORT"); 442 } 443 444 static 445 DECL_CMD_FUNC2(setvxlan_port_range, arg1, arg2) 446 { 447 struct ifvxlancmd cmd; 448 u_long min, max; 449 450 if (get_val(arg1, &min) < 0 || min >= UINT16_MAX) 451 errx(1, "invalid port range minimum: %s", arg1); 452 if (get_val(arg2, &max) < 0 || max >= UINT16_MAX) 453 errx(1, "invalid port range maximum: %s", arg2); 454 if (max < min) 455 errx(1, "invalid port range"); 456 457 if (!vxlan_exists(s)) { 458 params.vxlp_with |= VXLAN_PARAM_WITH_PORT_RANGE; 459 params.vxlp_min_port = min; 460 params.vxlp_max_port = max; 461 return; 462 } 463 464 bzero(&cmd, sizeof(cmd)); 465 cmd.vxlcmd_port_min = min; 466 cmd.vxlcmd_port_max = max; 467 468 if (do_cmd(s, VXLAN_CMD_SET_PORT_RANGE, &cmd, sizeof(cmd), 1) < 0) 469 err(1, "VXLAN_CMD_SET_PORT_RANGE"); 470 } 471 472 static 473 DECL_CMD_FUNC(setvxlan_timeout, arg, d) 474 { 475 struct ifvxlancmd cmd; 476 u_long val; 477 478 if (get_val(arg, &val) < 0 || (val & ~0xFFFFFFFF) != 0) 479 errx(1, "invalid timeout value: %s", arg); 480 481 if (!vxlan_exists(s)) { 482 params.vxlp_with |= VXLAN_PARAM_WITH_FTABLE_TIMEOUT; 483 params.vxlp_ftable_timeout = val & 0xFFFFFFFF; 484 return; 485 } 486 487 bzero(&cmd, sizeof(cmd)); 488 cmd.vxlcmd_ftable_timeout = val & 0xFFFFFFFF; 489 490 if (do_cmd(s, VXLAN_CMD_SET_FTABLE_TIMEOUT, &cmd, sizeof(cmd), 1) < 0) 491 err(1, "VXLAN_CMD_SET_FTABLE_TIMEOUT"); 492 } 493 494 static 495 DECL_CMD_FUNC(setvxlan_maxaddr, arg, d) 496 { 497 struct ifvxlancmd cmd; 498 u_long val; 499 500 if (get_val(arg, &val) < 0 || (val & ~0xFFFFFFFF) != 0) 501 errx(1, "invalid maxaddr value: %s", arg); 502 503 if (!vxlan_exists(s)) { 504 params.vxlp_with |= VXLAN_PARAM_WITH_FTABLE_MAX; 505 params.vxlp_ftable_max = val & 0xFFFFFFFF; 506 return; 507 } 508 509 bzero(&cmd, sizeof(cmd)); 510 cmd.vxlcmd_ftable_max = val & 0xFFFFFFFF; 511 512 if (do_cmd(s, VXLAN_CMD_SET_FTABLE_MAX, &cmd, sizeof(cmd), 1) < 0) 513 err(1, "VXLAN_CMD_SET_FTABLE_MAX"); 514 } 515 516 static 517 DECL_CMD_FUNC(setvxlan_dev, arg, d) 518 { 519 struct ifvxlancmd cmd; 520 521 if (!vxlan_exists(s)) { 522 params.vxlp_with |= VXLAN_PARAM_WITH_MULTICAST_IF; 523 strlcpy(params.vxlp_mc_ifname, arg, 524 sizeof(params.vxlp_mc_ifname)); 525 return; 526 } 527 528 bzero(&cmd, sizeof(cmd)); 529 strlcpy(cmd.vxlcmd_ifname, arg, sizeof(cmd.vxlcmd_ifname)); 530 531 if (do_cmd(s, VXLAN_CMD_SET_MULTICAST_IF, &cmd, sizeof(cmd), 1) < 0) 532 err(1, "VXLAN_CMD_SET_MULTICAST_IF"); 533 } 534 535 static 536 DECL_CMD_FUNC(setvxlan_ttl, arg, d) 537 { 538 struct ifvxlancmd cmd; 539 u_long val; 540 541 if (get_val(arg, &val) < 0 || val > 256) 542 errx(1, "invalid TTL value: %s", arg); 543 544 if (!vxlan_exists(s)) { 545 params.vxlp_with |= VXLAN_PARAM_WITH_TTL; 546 params.vxlp_ttl = val; 547 return; 548 } 549 550 bzero(&cmd, sizeof(cmd)); 551 cmd.vxlcmd_ttl = val; 552 553 if (do_cmd(s, VXLAN_CMD_SET_TTL, &cmd, sizeof(cmd), 1) < 0) 554 err(1, "VXLAN_CMD_SET_TTL"); 555 } 556 557 static 558 DECL_CMD_FUNC(setvxlan_learn, arg, d) 559 { 560 struct ifvxlancmd cmd; 561 562 if (!vxlan_exists(s)) { 563 params.vxlp_with |= VXLAN_PARAM_WITH_LEARN; 564 params.vxlp_learn = d; 565 return; 566 } 567 568 bzero(&cmd, sizeof(cmd)); 569 if (d != 0) 570 cmd.vxlcmd_flags |= VXLAN_CMD_FLAG_LEARN; 571 572 if (do_cmd(s, VXLAN_CMD_SET_LEARN, &cmd, sizeof(cmd), 1) < 0) 573 err(1, "VXLAN_CMD_SET_LEARN"); 574 } 575 576 static void 577 setvxlan_flush(const char *val, int d, int s, const struct afswtch *afp) 578 { 579 struct ifvxlancmd cmd; 580 581 bzero(&cmd, sizeof(cmd)); 582 if (d != 0) 583 cmd.vxlcmd_flags |= VXLAN_CMD_FLAG_FLUSH_ALL; 584 585 if (do_cmd(s, VXLAN_CMD_FLUSH, &cmd, sizeof(cmd), 1) < 0) 586 err(1, "VXLAN_CMD_FLUSH"); 587 } 588 589 static struct cmd vxlan_cmds[] = { 590 591 DEF_CLONE_CMD_ARG("vni", setvxlan_vni), 592 DEF_CLONE_CMD_ARG("vxlanid", setvxlan_vni), 593 DEF_CLONE_CMD_ARG("vxlanlocal", setvxlan_local), 594 DEF_CLONE_CMD_ARG("vxlanremote", setvxlan_remote), 595 DEF_CLONE_CMD_ARG("vxlangroup", setvxlan_group), 596 DEF_CLONE_CMD_ARG("vxlanlocalport", setvxlan_local_port), 597 DEF_CLONE_CMD_ARG("vxlanremoteport", setvxlan_remote_port), 598 DEF_CLONE_CMD_ARG2("vxlanportrange", setvxlan_port_range), 599 DEF_CLONE_CMD_ARG("vxlantimeout", setvxlan_timeout), 600 DEF_CLONE_CMD_ARG("vxlanmaxaddr", setvxlan_maxaddr), 601 DEF_CLONE_CMD_ARG("vxlandev", setvxlan_dev), 602 DEF_CLONE_CMD_ARG("vxlanttl", setvxlan_ttl), 603 DEF_CLONE_CMD("vxlanlearn", 1, setvxlan_learn), 604 DEF_CLONE_CMD("-vxlanlearn", 0, setvxlan_learn), 605 606 DEF_CMD_ARG("vni", setvxlan_vni), 607 DEF_CMD_ARG("vxlanid", setvxlan_vni), 608 DEF_CMD_ARG("vxlanlocal", setvxlan_local), 609 DEF_CMD_ARG("vxlanremote", setvxlan_remote), 610 DEF_CMD_ARG("vxlangroup", setvxlan_group), 611 DEF_CMD_ARG("vxlanlocalport", setvxlan_local_port), 612 DEF_CMD_ARG("vxlanremoteport", setvxlan_remote_port), 613 DEF_CMD_ARG2("vxlanportrange", setvxlan_port_range), 614 DEF_CMD_ARG("vxlantimeout", setvxlan_timeout), 615 DEF_CMD_ARG("vxlanmaxaddr", setvxlan_maxaddr), 616 DEF_CMD_ARG("vxlandev", setvxlan_dev), 617 DEF_CMD_ARG("vxlanttl", setvxlan_ttl), 618 DEF_CMD("vxlanlearn", 1, setvxlan_learn), 619 DEF_CMD("-vxlanlearn", 0, setvxlan_learn), 620 621 DEF_CMD("vxlanflush", 0, setvxlan_flush), 622 DEF_CMD("vxlanflushall", 1, setvxlan_flush), 623 }; 624 625 static struct afswtch af_vxlan = { 626 .af_name = "af_vxlan", 627 .af_af = AF_UNSPEC, 628 .af_other_status = vxlan_status, 629 }; 630 631 static __constructor void 632 vxlan_ctor(void) 633 { 634 size_t i; 635 636 for (i = 0; i < nitems(vxlan_cmds); i++) 637 cmd_register(&vxlan_cmds[i]); 638 af_register(&af_vxlan); 639 callback_register(vxlan_cb, NULL); 640 clone_setdefcallback("vxlan", vxlan_create); 641 } 642