zebra/zebra_mpls_vty.c

   1 /* Zebra MPLS VTY functions
   2  * Copyright (C) 2002 Kunihiro Ishiguro
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GNU Zebra; see the file COPYING.  If not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <zebra.h>
  23
  24 #include "memory.h"
  25 #include "if.h"
  26 #include "prefix.h"
  27 #include "command.h"
  28 #include "table.h"
  29 #include "rib.h"
  30 #include "nexthop.h"
  31 #include "vrf.h"
  32 #include "mpls.h"
  33 #include "lib/json.h"
  34
  35 #include "zebra/zserv.h"
  36 #include "zebra/zebra_vrf.h"
  37 #include "zebra/zebra_mpls.h"
  38 #include "zebra/zebra_rnh.h"
  39 #include "zebra/redistribute.h"
  40 #include "zebra/zebra_routemap.h"
  41 #include "zebra/zebra_static.h"
  42
  43 static int zebra_mpls_transit_lsp(struct vty *vty, int add_cmd,
  44                                   const char *inlabel_str, const char *gate_str,
  45                                   const char *outlabel_str,
  46                                   const char *flag_str)
  47 {
  48         struct zebra_vrf *zvrf;
  49         int ret;
  50         enum nexthop_types_t gtype;
  51         union g_addr gate;
  52         mpls_label_t label;
  53         mpls_label_t in_label, out_label;
  54
  55         if (!mpls_enabled) {
  56                 vty_out(vty,
  57                         "%% MPLS not turned on in kernel, ignoring command%s",
  58                         VTY_NEWLINE);
  59                 return CMD_WARNING;
  60         }
  61
  62         zvrf = vrf_info_lookup(VRF_DEFAULT);
  63         if (!zvrf) {
  64                 vty_out(vty, "%% Default VRF does not exist%s", VTY_NEWLINE);
  65                 return CMD_WARNING;
  66         }
  67
  68         if (!inlabel_str) {
  69                 vty_out(vty, "%% No Label Information%s", VTY_NEWLINE);
  70                 return CMD_WARNING;
  71         }
  72
  73         out_label = MPLS_IMP_NULL_LABEL; /* as initialization */
  74         label = atoi(inlabel_str);
  75         if (!IS_MPLS_UNRESERVED_LABEL(label)) {
  76                 vty_out(vty, "%% Invalid label%s", VTY_NEWLINE);
  77                 return CMD_WARNING;
  78         }
  79
  80         if (add_cmd) {
  81                 if (!gate_str) {
  82                         vty_out(vty, "%% No Nexthop Information%s",
  83                                 VTY_NEWLINE);
  84                         return CMD_WARNING;
  85                 }
  86                 if (!outlabel_str) {
  87                         vty_out(vty, "%% No Outgoing label Information%s",
  88                                 VTY_NEWLINE);
  89                         return CMD_WARNING;
  90                 }
  91         }
  92
  93         in_label = label;
  94         gtype = NEXTHOP_TYPE_BLACKHOLE; /* as initialization */
  95
  96         if (gate_str) {
  97                 /* Gateway is a IPv4 or IPv6 nexthop. */
  98                 ret = inet_pton(AF_INET6, gate_str, &gate.ipv6);
  99                 if (ret)
 100                         gtype = NEXTHOP_TYPE_IPV6;
 101                 else {
 102                         ret = inet_pton(AF_INET, gate_str, &gate.ipv4);
 103                         if (ret)
 104                                 gtype = NEXTHOP_TYPE_IPV4;
 105                         else {
 106                                 vty_out(vty, "%% Invalid nexthop%s",
 107                                         VTY_NEWLINE);
 108                                 return CMD_WARNING;
 109                         }
 110                 }
 111         }
 112
 113         if (outlabel_str) {
 114                 if (outlabel_str[0] == 'i')
 115                         out_label = MPLS_IMP_NULL_LABEL;
 116                 else if (outlabel_str[0] == 'e' && gtype == NEXTHOP_TYPE_IPV4)
 117                         out_label = MPLS_V4_EXP_NULL_LABEL;
 118                 else if (outlabel_str[0] == 'e' && gtype == NEXTHOP_TYPE_IPV6)
 119                         out_label = MPLS_V6_EXP_NULL_LABEL;
 120                 else
 121                         out_label = atoi(outlabel_str);
 122         }
 123
 124         if (add_cmd) {
 125 #if defined(HAVE_CUMULUS)
 126                 /* Check that label value is consistent. */
 127                 if (!zebra_mpls_lsp_label_consistent(zvrf, in_label, out_label,
 128                                                      gtype, &gate, NULL, 0)) {
 129                         vty_out(vty, "%% Label value not consistent%s",
 130                                 VTY_NEWLINE);
 131                         return CMD_WARNING;
 132                 }
 133 #endif /* HAVE_CUMULUS */
 134
 135                 ret = zebra_mpls_static_lsp_add(zvrf, in_label, out_label,
 136                                                 gtype, &gate, NULL, 0);
 137         } else
 138                 ret = zebra_mpls_static_lsp_del(zvrf, in_label, gtype, &gate,
 139                                                 NULL, 0);
 140
 141         if (ret) {
 142                 vty_out(vty, "%% LSP cannot be %s%s",
 143                         add_cmd ? "added" : "deleted", VTY_NEWLINE);
 144                 return CMD_WARNING;
 145         }
 146
 147         return CMD_SUCCESS;
 148 }
 149
 150 DEFUN (mpls_transit_lsp,
 151        mpls_transit_lsp_cmd,
 152        "mpls lsp (16-1048575) <A.B.C.D|X:X::X:X> <(16-1048575)|explicit-null|implicit-null>",
 153        MPLS_STR
 154        "Establish label switched path\n"
 155        "Incoming MPLS label\n"
 156        "IPv4 gateway address\n"
 157        "IPv6 gateway address\n"
 158        "Outgoing MPLS label\n"
 159        "Use Explicit-Null label\n"
 160        "Use Implicit-Null label\n")
 161 {
 162         return zebra_mpls_transit_lsp(vty, 1, argv[2]->arg, argv[3]->arg,
 163                                       argv[4]->arg, NULL);
 164 }
 165
 166 DEFUN (no_mpls_transit_lsp,
 167        no_mpls_transit_lsp_cmd,
 168        "no mpls lsp (16-1048575) <A.B.C.D|X:X::X:X>",
 169        NO_STR
 170        MPLS_STR
 171        "Establish label switched path\n"
 172        "Incoming MPLS label\n"
 173        "IPv4 gateway address\n"
 174        "IPv6 gateway address\n")
 175 {
 176         return zebra_mpls_transit_lsp(vty, 0, argv[3]->arg, argv[4]->arg, NULL,
 177                                       NULL);
 178 }
 179
 180 ALIAS(no_mpls_transit_lsp, no_mpls_transit_lsp_out_label_cmd,
 181       "no mpls lsp (16-1048575) <A.B.C.D|X:X::X:X> <(16-1048575)|explicit-null|implicit-null>",
 182       NO_STR MPLS_STR
 183       "Establish label switched path\n"
 184       "Incoming MPLS label\n"
 185       "IPv4 gateway address\n"
 186       "IPv6 gateway address\n"
 187       "Outgoing MPLS label\n"
 188       "Use Explicit-Null label\n"
 189       "Use Implicit-Null label\n")
 190
 191 DEFUN (no_mpls_transit_lsp_all,
 192        no_mpls_transit_lsp_all_cmd,
 193        "no mpls lsp (16-1048575)",
 194        NO_STR
 195        MPLS_STR
 196        "Establish label switched path\n"
 197        "Incoming MPLS label\n")
 198 {
 199         return zebra_mpls_transit_lsp(vty, 0, argv[3]->arg, NULL, NULL, NULL);
 200 }
 201
 202 /* Static route configuration.  */
 203 DEFUN (ip_route_label,
 204        ip_route_label_cmd,
 205        "ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> label WORD",
 206        IP_STR
 207        "Establish static routes\n"
 208        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 209        "IP gateway address\n"
 210        "IP gateway interface name\n"
 211        "Null interface\n"
 212        "Specify label(s) for this route\n"
 213        "One or more labels separated by '/'\n")
 214 {
 215         return zebra_static_ipv4(vty, SAFI_UNICAST, 1, argv[2]->arg, NULL,
 216                                  argv[3]->arg, NULL, NULL, NULL, NULL,
 217                                  argv[5]->arg);
 218 }
 219
 220 DEFUN (ip_route_tag_label,
 221        ip_route_tag_label_cmd,
 222        "ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> tag (1-4294967295) label WORD",
 223        IP_STR
 224        "Establish static routes\n"
 225        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 226        "IP gateway address\n"
 227        "IP gateway interface name\n"
 228        "Null interface\n"
 229        "Set tag for this route\n"
 230        "Tag value\n"
 231        "Specify label(s) for this route\n"
 232        "One or more labels separated by '/'\n")
 233 {
 234         return zebra_static_ipv4(vty, SAFI_UNICAST, 1, argv[2]->arg, NULL,
 235                                  argv[3]->arg, NULL, argv[5]->arg, NULL, NULL,
 236                                  argv[7]->arg);
 237 }
 238
 239 /* Mask as A.B.C.D format.  */
 240 DEFUN (ip_route_mask_label,
 241        ip_route_mask_label_cmd,
 242        "ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> label WORD",
 243        IP_STR
 244        "Establish static routes\n"
 245        "IP destination prefix\n"
 246        "IP destination prefix mask\n"
 247        "IP gateway address\n"
 248        "IP gateway interface name\n"
 249        "Null interface\n"
 250        "Specify label(s) for this route\n"
 251        "One or more labels separated by '/'\n")
 252 {
 253         return zebra_static_ipv4(vty, SAFI_UNICAST, 1, argv[2]->arg,
 254                                  argv[3]->arg, argv[4]->arg, NULL, NULL, NULL,
 255                                  NULL, argv[6]->arg);
 256 }
 257
 258 DEFUN (ip_route_mask_tag_label,
 259        ip_route_mask_tag_label_cmd,
 260        "ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> tag (1-4294967295) label WORD",
 261        IP_STR
 262        "Establish static routes\n"
 263        "IP destination prefix\n"
 264        "IP destination prefix mask\n"
 265        "IP gateway address\n"
 266        "IP gateway interface name\n"
 267        "Null interface\n"
 268        "Set tag for this route\n"
 269        "Tag value\n"
 270        "Specify label(s) for this route\n"
 271        "One or more labels separated by '/'\n")
 272 {
 273         return zebra_static_ipv4(vty, SAFI_UNICAST, 1, argv[2]->arg,
 274                                  argv[3]->arg, argv[4]->arg, NULL, argv[6]->arg,
 275                                  NULL, NULL, argv[8]->arg);
 276 }
 277
 278 /* Distance option value.  */
 279 DEFUN (ip_route_distance_label,
 280        ip_route_distance_label_cmd,
 281        "ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> (1-255) label WORD",
 282        IP_STR
 283        "Establish static routes\n"
 284        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 285        "IP gateway address\n"
 286        "IP gateway interface name\n"
 287        "Null interface\n"
 288        "Distance value for this route\n"
 289        "Specify label(s) for this route\n"
 290        "One or more labels separated by '/'\n")
 291 {
 292         return zebra_static_ipv4(vty, SAFI_UNICAST, 1, argv[2]->arg, NULL,
 293                                  argv[3]->arg, NULL, NULL, argv[4]->arg, NULL,
 294                                  argv[6]->arg);
 295 }
 296
 297 DEFUN (ip_route_tag_distance_label,
 298        ip_route_tag_distance_label_cmd,
 299        "ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> tag (1-4294967295) (1-255) label WORD",
 300        IP_STR
 301        "Establish static routes\n"
 302        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 303        "IP gateway address\n"
 304        "IP gateway interface name\n"
 305        "Null interface\n"
 306        "Set tag for this route\n"
 307        "Tag value\n"
 308        "Distance value for this route\n"
 309        "Specify label(s) for this route\n"
 310        "One or more labels separated by '/'\n")
 311 {
 312         return zebra_static_ipv4(vty, SAFI_UNICAST, 1, argv[2]->arg, NULL,
 313                                  argv[3]->arg, NULL, argv[5]->arg, argv[6]->arg,
 314                                  NULL, argv[8]->arg);
 315 }
 316
 317 DEFUN (ip_route_mask_distance_label,
 318        ip_route_mask_distance_label_cmd,
 319        "ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> (1-255) label WORD",
 320        IP_STR
 321        "Establish static routes\n"
 322        "IP destination prefix\n"
 323        "IP destination prefix mask\n"
 324        "IP gateway address\n"
 325        "IP gateway interface name\n"
 326        "Null interface\n"
 327        "Distance value for this route\n"
 328        "Specify label(s) for this route\n"
 329        "One or more labels separated by '/'\n")
 330 {
 331         return zebra_static_ipv4(vty, SAFI_UNICAST, 1, argv[2]->arg,
 332                                  argv[3]->arg, argv[4]->arg, NULL, NULL,
 333                                  argv[5]->arg, NULL, argv[7]->arg);
 334 }
 335
 336 DEFUN (ip_route_mask_tag_distance_label,
 337        ip_route_mask_tag_distance_label_cmd,
 338        "ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> tag (1-4294967295) (1-255) label WORD",
 339        IP_STR
 340        "Establish static routes\n"
 341        "IP destination prefix\n"
 342        "IP destination prefix mask\n"
 343        "IP gateway address\n"
 344        "IP gateway interface name\n"
 345        "Null interface\n"
 346        "Set tag for this route\n"
 347        "Tag value\n"
 348        "Distance value for this route\n"
 349        "Specify label(s) for this route\n"
 350        "One or more labels separated by '/'\n")
 351 {
 352         return zebra_static_ipv4(vty, SAFI_UNICAST, 1, argv[2]->arg,
 353                                  argv[3]->arg, argv[4]->arg, NULL, argv[6]->arg,
 354                                  argv[7]->arg, NULL, argv[9]->arg);
 355 }
 356
 357 DEFUN (no_ip_route_label,
 358        no_ip_route_label_cmd,
 359        "no ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> label WORD",
 360        NO_STR
 361        IP_STR
 362        "Establish static routes\n"
 363        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 364        "IP gateway address\n"
 365        "IP gateway interface name\n"
 366        "Null interface\n"
 367        "Specify label(s) for this route\n"
 368        "One or more labels separated by '/'\n")
 369 {
 370         return zebra_static_ipv4(vty, SAFI_UNICAST, 0, argv[3]->arg, NULL,
 371                                  argv[4]->arg, NULL, NULL, NULL, NULL,
 372                                  argv[6]->arg);
 373 }
 374
 375 DEFUN (no_ip_route_tag_label,
 376        no_ip_route_tag_label_cmd,
 377        "no ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> tag (1-4294967295) label WORD",
 378        NO_STR
 379        IP_STR
 380        "Establish static routes\n"
 381        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 382        "IP gateway address\n"
 383        "IP gateway interface name\n"
 384        "Null interface\n"
 385        "Tag of this route\n"
 386        "Tag value\n"
 387        "Specify label(s) for this route\n"
 388        "One or more labels separated by '/'\n")
 389 {
 390         return zebra_static_ipv4(vty, SAFI_UNICAST, 0, argv[3]->arg, NULL,
 391                                  argv[4]->arg, NULL, argv[6]->arg, NULL, NULL,
 392                                  argv[8]->arg);
 393 }
 394
 395 DEFUN (no_ip_route_mask_label,
 396        no_ip_route_mask_label_cmd,
 397        "no ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> label WORD",
 398        NO_STR
 399        IP_STR
 400        "Establish static routes\n"
 401        "IP destination prefix\n"
 402        "IP destination prefix mask\n"
 403        "IP gateway address\n"
 404        "IP gateway interface name\n"
 405        "Null interface\n"
 406        "Specify label(s) for this route\n"
 407        "One or more labels separated by '/'\n")
 408 {
 409         return zebra_static_ipv4(vty, SAFI_UNICAST, 0, argv[3]->arg,
 410                                  argv[4]->arg, argv[5]->arg, NULL, NULL, NULL,
 411                                  NULL, argv[7]->arg);
 412 }
 413
 414 DEFUN (no_ip_route_mask_tag_label,
 415        no_ip_route_mask_tag_label_cmd,
 416        "no ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> tag (1-4294967295) label WORD",
 417        NO_STR
 418        IP_STR
 419        "Establish static routes\n"
 420        "IP destination prefix\n"
 421        "IP destination prefix mask\n"
 422        "IP gateway address\n"
 423        "IP gateway interface name\n"
 424        "Null interface\n"
 425        "Tag of this route\n"
 426        "Tag value\n"
 427        "Specify label(s) for this route\n"
 428        "One or more labels separated by '/'\n")
 429 {
 430         return zebra_static_ipv4(vty, SAFI_UNICAST, 0, argv[3]->arg,
 431                                  argv[4]->arg, argv[5]->arg, NULL, argv[7]->arg,
 432                                  NULL, NULL, argv[9]->arg);
 433 }
 434
 435 DEFUN (no_ip_route_distance_label,
 436        no_ip_route_distance_label_cmd,
 437        "no ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> (1-255) label WORD",
 438        NO_STR
 439        IP_STR
 440        "Establish static routes\n"
 441        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 442        "IP gateway address\n"
 443        "IP gateway interface name\n"
 444        "Null interface\n"
 445        "Distance value for this route\n"
 446        "Specify label(s) for this route\n"
 447        "One or more labels separated by '/'\n")
 448 {
 449         return zebra_static_ipv4(vty, SAFI_UNICAST, 0, argv[3]->arg, NULL,
 450                                  argv[4]->arg, NULL, NULL, argv[5]->arg, NULL,
 451                                  argv[7]->arg);
 452 }
 453
 454 DEFUN (no_ip_route_tag_distance_label,
 455        no_ip_route_tag_distance_label_cmd,
 456        "no ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> tag (1-4294967295) (1-255) label WORD",
 457        NO_STR
 458        IP_STR
 459        "Establish static routes\n"
 460        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 461        "IP gateway address\n"
 462        "IP gateway interface name\n"
 463        "Null interface\n"
 464        "Tag of this route\n"
 465        "Tag value\n"
 466        "Distance value for this route\n"
 467        "Specify label(s) for this route\n"
 468        "One or more labels separated by '/'\n")
 469 {
 470         return zebra_static_ipv4(vty, SAFI_UNICAST, 0, argv[3]->arg, NULL,
 471                                  argv[4]->arg, NULL, argv[6]->arg, argv[7]->arg,
 472                                  NULL, argv[9]->arg);
 473 }
 474
 475 DEFUN (no_ip_route_mask_distance_label,
 476        no_ip_route_mask_distance_label_cmd,
 477        "no ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> (1-255) label WORD",
 478        NO_STR
 479        IP_STR
 480        "Establish static routes\n"
 481        "IP destination prefix\n"
 482        "IP destination prefix mask\n"
 483        "IP gateway address\n"
 484        "IP gateway interface name\n"
 485        "Null interface\n"
 486        "Distance value for this route\n"
 487        "Specify label(s) for this route\n"
 488        "One or more labels separated by '/'\n")
 489 {
 490         return zebra_static_ipv4(vty, SAFI_UNICAST, 0, argv[3]->arg,
 491                                  argv[4]->arg, argv[5]->arg, NULL, NULL,
 492                                  argv[6]->arg, NULL, argv[8]->arg);
 493 }
 494
 495 DEFUN (no_ip_route_mask_tag_distance_label,
 496        no_ip_route_mask_tag_distance_label_cmd,
 497        "no ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> tag (1-4294967295) (1-255) label WORD",
 498        NO_STR
 499        IP_STR
 500        "Establish static routes\n"
 501        "IP destination prefix\n"
 502        "IP destination prefix mask\n"
 503        "IP gateway address\n"
 504        "IP gateway interface name\n"
 505        "Null interface\n"
 506        "Tag of this route\n"
 507        "Tag value\n"
 508        "Distance value for this route\n"
 509        "Specify label(s) for this route\n"
 510        "One or more labels separated by '/'\n")
 511 {
 512         return zebra_static_ipv4(vty, SAFI_UNICAST, 0, argv[3]->arg,
 513                                  argv[4]->arg, argv[5]->arg, NULL, argv[7]->arg,
 514                                  argv[8]->arg, NULL, argv[10]->arg);
 515 }
 516
 517 DEFUN (ipv6_route_label,
 518        ipv6_route_label_cmd,
 519        "ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> label WORD",
 520        IP_STR
 521        "Establish static routes\n"
 522        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 523        "IPv6 gateway address\n"
 524        "IPv6 gateway interface name\n"
 525        "Specify label(s) for this route\n"
 526        "One or more labels separated by '/'\n")
 527 {
 528         return static_ipv6_func(vty, 1, argv[2]->arg, NULL, argv[3]->arg, NULL,
 529                                 NULL, NULL, NULL, NULL, argv[5]->arg);
 530 }
 531
 532 DEFUN (ipv6_route_tag_label,
 533        ipv6_route_tag_label_cmd,
 534        "ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> tag (1-4294967295) label WORD",
 535        IP_STR
 536        "Establish static routes\n"
 537        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 538        "IPv6 gateway address\n"
 539        "IPv6 gateway interface name\n"
 540        "Set tag for this route\n"
 541        "Tag value\n"
 542        "Specify label(s) for this route\n"
 543        "One or more labels separated by '/'\n")
 544 {
 545         return static_ipv6_func(vty, 1, argv[2]->arg, NULL, argv[3]->arg, NULL,
 546                                 NULL, argv[5]->arg, NULL, NULL, argv[7]->arg);
 547 }
 548
 549 DEFUN (ipv6_route_ifname_label,
 550        ipv6_route_ifname_label_cmd,
 551        "ipv6 route X:X::X:X/M X:X::X:X INTERFACE label WORD",
 552        IP_STR
 553        "Establish static routes\n"
 554        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 555        "IPv6 gateway address\n"
 556        "IPv6 gateway interface name\n"
 557        "Specify label(s) for this route\n"
 558        "One or more labels separated by '/'\n")
 559 {
 560         return static_ipv6_func(vty, 1, argv[2]->arg, NULL, argv[3]->arg,
 561                                 argv[4]->arg, NULL, NULL, NULL, NULL,
 562                                 argv[6]->arg);
 563 }
 564 DEFUN (ipv6_route_ifname_tag_label,
 565        ipv6_route_ifname_tag_label_cmd,
 566        "ipv6 route X:X::X:X/M X:X::X:X INTERFACE tag (1-4294967295) label WORD",
 567        IP_STR
 568        "Establish static routes\n"
 569        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 570        "IPv6 gateway address\n"
 571        "IPv6 gateway interface name\n"
 572        "Set tag for this route\n"
 573        "Tag value\n"
 574        "Specify label(s) for this route\n"
 575        "One or more labels separated by '/'\n")
 576 {
 577         return static_ipv6_func(vty, 1, argv[2]->arg, NULL, argv[3]->arg,
 578                                 argv[4]->arg, NULL, argv[6]->arg, NULL, NULL,
 579                                 argv[8]->arg);
 580 }
 581
 582 DEFUN (ipv6_route_pref_label,
 583        ipv6_route_pref_label_cmd,
 584        "ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> (1-255) label WORD",
 585        IP_STR
 586        "Establish static routes\n"
 587        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 588        "IPv6 gateway address\n"
 589        "IPv6 gateway interface name\n"
 590        "Distance value for this prefix\n"
 591        "Specify label(s) for this route\n"
 592        "One or more labels separated by '/'\n")
 593 {
 594         return static_ipv6_func(vty, 1, argv[2]->arg, NULL, argv[3]->arg, NULL,
 595                                 NULL, NULL, argv[4]->arg, NULL, argv[6]->arg);
 596 }
 597
 598 DEFUN (ipv6_route_pref_tag_label,
 599        ipv6_route_pref_tag_label_cmd,
 600        "ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> tag (1-4294967295) (1-255) label WORD",
 601        IP_STR
 602        "Establish static routes\n"
 603        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 604        "IPv6 gateway address\n"
 605        "IPv6 gateway interface name\n"
 606        "Set tag for this route\n"
 607        "Tag value\n"
 608        "Distance value for this prefix\n"
 609        "Specify label(s) for this route\n"
 610        "One or more labels separated by '/'\n")
 611 {
 612         return static_ipv6_func(vty, 1, argv[2]->arg, NULL, argv[3]->arg, NULL,
 613                                 NULL, argv[5]->arg, argv[6]->arg, NULL,
 614                                 argv[8]->arg);
 615 }
 616
 617 DEFUN (ipv6_route_ifname_pref_label,
 618        ipv6_route_ifname_pref_label_cmd,
 619        "ipv6 route X:X::X:X/M X:X::X:X INTERFACE (1-255) label WORD",
 620        IP_STR
 621        "Establish static routes\n"
 622        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 623        "IPv6 gateway address\n"
 624        "IPv6 gateway interface name\n"
 625        "Distance value for this prefix\n"
 626        "Specify label(s) for this route\n"
 627        "One or more labels separated by '/'\n")
 628 {
 629         return static_ipv6_func(vty, 1, argv[2]->arg, NULL, argv[3]->arg,
 630                                 argv[4]->arg, NULL, NULL, argv[5]->arg, NULL,
 631                                 argv[7]->arg);
 632 }
 633
 634 DEFUN (ipv6_route_ifname_pref_tag_label,
 635        ipv6_route_ifname_pref_tag_label_cmd,
 636        "ipv6 route X:X::X:X/M X:X::X:X INTERFACE tag (1-4294967295) (1-255) label WORD",
 637        IP_STR
 638        "Establish static routes\n"
 639        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 640        "IPv6 gateway address\n"
 641        "IPv6 gateway interface name\n"
 642        "Set tag for this route\n"
 643        "Tag value\n"
 644        "Distance value for this prefix\n"
 645        "Specify label(s) for this route\n"
 646        "One or more labels separated by '/'\n")
 647 {
 648         return static_ipv6_func(vty, 1, argv[2]->arg, NULL, argv[3]->arg,
 649                                 argv[4]->arg, NULL, argv[6]->arg, argv[7]->arg,
 650                                 NULL, argv[9]->arg);
 651 }
 652
 653 DEFUN (no_ipv6_route_label,
 654        no_ipv6_route_label_cmd,
 655        "no ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> label WORD",
 656        NO_STR
 657        IP_STR
 658        "Establish static routes\n"
 659        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 660        "IPv6 gateway address\n"
 661        "IPv6 gateway interface name\n"
 662        "Specify label(s) for this route\n"
 663        "One or more labels separated by '/'\n")
 664 {
 665         return static_ipv6_func(vty, 0, argv[3]->arg, NULL, argv[4]->arg, NULL,
 666                                 NULL, NULL, NULL, NULL, argv[6]->arg);
 667 }
 668
 669 DEFUN (no_ipv6_route_tag_label,
 670        no_ipv6_route_tag_label_cmd,
 671        "no ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> tag (1-4294967295) label WORD",
 672        NO_STR
 673        IP_STR
 674        "Establish static routes\n"
 675        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 676        "IPv6 gateway address\n"
 677        "IPv6 gateway interface name\n"
 678        "Set tag for this route\n"
 679        "Tag value\n"
 680        "Specify label(s) for this route\n"
 681        "One or more labels separated by '/'\n")
 682 {
 683         return static_ipv6_func(vty, 0, argv[3]->arg, NULL, argv[4]->arg, NULL,
 684                                 NULL, argv[6]->arg, NULL, NULL, argv[8]->arg);
 685 }
 686
 687 DEFUN (no_ipv6_route_ifname_label,
 688        no_ipv6_route_ifname_label_cmd,
 689        "no ipv6 route X:X::X:X/M X:X::X:X INTERFACE label WORD",
 690        NO_STR
 691        IP_STR
 692        "Establish static routes\n"
 693        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 694        "IPv6 gateway address\n"
 695        "IPv6 gateway interface name\n"
 696        "Specify label(s) for this route\n"
 697        "One or more labels separated by '/'\n")
 698 {
 699         return static_ipv6_func(vty, 0, argv[3]->arg, NULL, argv[4]->arg,
 700                                 argv[5]->arg, NULL, NULL, NULL, NULL,
 701                                 argv[7]->arg);
 702 }
 703
 704 DEFUN (no_ipv6_route_ifname_tag_label,
 705        no_ipv6_route_ifname_tag_label_cmd,
 706        "no ipv6 route X:X::X:X/M X:X::X:X INTERFACE tag (1-4294967295) label WORD",
 707        NO_STR
 708        IP_STR
 709        "Establish static routes\n"
 710        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 711        "IPv6 gateway address\n"
 712        "IPv6 gateway interface name\n"
 713        "Set tag for this route\n"
 714        "Tag value\n"
 715        "Specify label(s) for this route\n"
 716        "One or more labels separated by '/'\n")
 717 {
 718         return static_ipv6_func(vty, 0, argv[3]->arg, NULL, argv[4]->arg,
 719                                 argv[5]->arg, NULL, argv[7]->arg, NULL, NULL,
 720                                 argv[9]->arg);
 721 }
 722
 723 DEFUN (no_ipv6_route_pref_label,
 724        no_ipv6_route_pref_label_cmd,
 725        "no ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> (1-255) label WORD",
 726        NO_STR
 727        IP_STR
 728        "Establish static routes\n"
 729        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 730        "IPv6 gateway address\n"
 731        "IPv6 gateway interface name\n"
 732        "Distance value for this prefix\n"
 733        "Specify label(s) for this route\n"
 734        "One or more labels separated by '/'\n")
 735 {
 736         return static_ipv6_func(vty, 0, argv[3]->arg, NULL, argv[4]->arg, NULL,
 737                                 NULL, NULL, argv[5]->arg, NULL, argv[7]->arg);
 738 }
 739
 740 DEFUN (no_ipv6_route_pref_tag_label,
 741        no_ipv6_route_pref_tag_label_cmd,
 742        "no ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> tag (1-4294967295) (1-255) label WORD",
 743        NO_STR
 744        IP_STR
 745        "Establish static routes\n"
 746        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 747        "IPv6 gateway address\n"
 748        "IPv6 gateway interface name\n"
 749        "Set tag for this route\n"
 750        "Tag value\n"
 751        "Distance value for this prefix\n"
 752        "Specify label(s) for this route\n"
 753        "One or more labels separated by '/'\n")
 754 {
 755         return static_ipv6_func(vty, 0, argv[3]->arg, NULL, argv[4]->arg, NULL,
 756                                 NULL, argv[6]->arg, argv[7]->arg, NULL,
 757                                 argv[9]->arg);
 758 }
 759
 760 DEFUN (no_ipv6_route_ifname_pref_label,
 761        no_ipv6_route_ifname_pref_label_cmd,
 762        "no ipv6 route X:X::X:X/M X:X::X:X INTERFACE (1-255) label WORD",
 763        NO_STR
 764        IP_STR
 765        "Establish static routes\n"
 766        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 767        "IPv6 gateway address\n"
 768        "IPv6 gateway interface name\n"
 769        "Distance value for this prefix\n"
 770        "Specify label(s) for this route\n"
 771        "One or more labels separated by '/'\n")
 772 {
 773         return static_ipv6_func(vty, 0, argv[3]->arg, NULL, argv[4]->arg,
 774                                 argv[5]->arg, NULL, NULL, argv[6]->arg, NULL,
 775                                 argv[8]->arg);
 776 }
 777
 778 DEFUN (no_ipv6_route_ifname_pref_tag_label,
 779        no_ipv6_route_ifname_pref_tag_label_cmd,
 780        "no ipv6 route X:X::X:X/M X:X::X:X INTERFACE tag (1-4294967295) (1-255) label WORD",
 781        NO_STR
 782        IP_STR
 783        "Establish static routes\n"
 784        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 785        "IPv6 gateway address\n"
 786        "IPv6 gateway interface name\n"
 787        "Set tag for this route\n"
 788        "Tag value\n"
 789        "Distance value for this prefix\n"
 790        "Specify label(s) for this route\n"
 791        "One or more labels separated by '/'\n")
 792 {
 793         return static_ipv6_func(vty, 0, argv[3]->arg, NULL, argv[4]->arg,
 794                                 argv[5]->arg, NULL, argv[7]->arg, argv[8]->arg,
 795                                 NULL, argv[10]->arg);
 796 }
 797
 798 /* MPLS LSP configuration write function. */
 799 static int zebra_mpls_config(struct vty *vty)
 800 {
 801         int write = 0;
 802         struct zebra_vrf *zvrf;
 803
 804         zvrf = vrf_info_lookup(VRF_DEFAULT);
 805         if (!zvrf)
 806                 return 0;
 807
 808         write += zebra_mpls_write_lsp_config(vty, zvrf);
 809         return write;
 810 }
 811
 812 DEFUN (show_mpls_table,
 813        show_mpls_table_cmd,
 814        "show mpls table [json]",
 815        SHOW_STR
 816        MPLS_STR
 817        "MPLS table\n"
 818        JSON_STR)
 819 {
 820         struct zebra_vrf *zvrf;
 821         u_char uj = use_json(argc, argv);
 822
 823         zvrf = vrf_info_lookup(VRF_DEFAULT);
 824         zebra_mpls_print_lsp_table(vty, zvrf, uj);
 825         return CMD_SUCCESS;
 826 }
 827
 828 DEFUN (show_mpls_table_lsp,
 829        show_mpls_table_lsp_cmd,
 830        "show mpls table (16-1048575) [json]",
 831        SHOW_STR
 832        MPLS_STR
 833        "MPLS table\n"
 834        "LSP to display information about\n"
 835        JSON_STR)
 836 {
 837         u_int32_t label;
 838         struct zebra_vrf *zvrf;
 839         u_char uj = use_json(argc, argv);
 840
 841         zvrf = vrf_info_lookup(VRF_DEFAULT);
 842         label = atoi(argv[3]->arg);
 843         zebra_mpls_print_lsp(vty, zvrf, label, uj);
 844         return CMD_SUCCESS;
 845 }
 846
 847 DEFUN (show_mpls_status,
 848        show_mpls_status_cmd,
 849        "show mpls status",
 850        SHOW_STR
 851        "MPLS information\n"
 852        "MPLS status\n")
 853 {
 854         vty_out(vty, "MPLS support enabled: %s%s",
 855                 (mpls_enabled) ? "yes"
 856                                : "no (mpls kernel extensions not detected)",
 857                 VTY_NEWLINE);
 858         return CMD_SUCCESS;
 859 }
 860
 861 /* MPLS node for MPLS LSP. */
 862 static struct cmd_node mpls_node = {MPLS_NODE, "", 1};
 863
 864 /* MPLS VTY.  */
 865 void zebra_mpls_vty_init(void)
 866 {
 867         install_element(VIEW_NODE, &show_mpls_status_cmd);
 868
 869         install_node(&mpls_node, zebra_mpls_config);
 870
 871         install_element(CONFIG_NODE, &ip_route_label_cmd);
 872         install_element(CONFIG_NODE, &ip_route_tag_label_cmd);
 873         install_element(CONFIG_NODE, &ip_route_mask_label_cmd);
 874         install_element(CONFIG_NODE, &ip_route_mask_tag_label_cmd);
 875         install_element(CONFIG_NODE, &no_ip_route_label_cmd);
 876         install_element(CONFIG_NODE, &no_ip_route_tag_label_cmd);
 877         install_element(CONFIG_NODE, &no_ip_route_mask_label_cmd);
 878         install_element(CONFIG_NODE, &no_ip_route_mask_tag_label_cmd);
 879         install_element(CONFIG_NODE, &ip_route_distance_label_cmd);
 880         install_element(CONFIG_NODE, &ip_route_tag_distance_label_cmd);
 881         install_element(CONFIG_NODE, &ip_route_mask_distance_label_cmd);
 882         install_element(CONFIG_NODE, &ip_route_mask_tag_distance_label_cmd);
 883         install_element(CONFIG_NODE, &no_ip_route_distance_label_cmd);
 884         install_element(CONFIG_NODE, &no_ip_route_tag_distance_label_cmd);
 885         install_element(CONFIG_NODE, &no_ip_route_mask_distance_label_cmd);
 886         install_element(CONFIG_NODE, &no_ip_route_mask_tag_distance_label_cmd);
 887
 888         install_element(CONFIG_NODE, &ipv6_route_label_cmd);
 889         install_element(CONFIG_NODE, &ipv6_route_ifname_label_cmd);
 890         install_element(CONFIG_NODE, &no_ipv6_route_label_cmd);
 891         install_element(CONFIG_NODE, &no_ipv6_route_ifname_label_cmd);
 892         install_element(CONFIG_NODE, &ipv6_route_pref_label_cmd);
 893         install_element(CONFIG_NODE, &ipv6_route_ifname_pref_label_cmd);
 894         install_element(CONFIG_NODE, &no_ipv6_route_pref_label_cmd);
 895         install_element(CONFIG_NODE, &no_ipv6_route_ifname_pref_label_cmd);
 896         install_element(CONFIG_NODE, &ipv6_route_tag_label_cmd);
 897         install_element(CONFIG_NODE, &ipv6_route_ifname_tag_label_cmd);
 898         install_element(CONFIG_NODE, &ipv6_route_pref_tag_label_cmd);
 899         install_element(CONFIG_NODE, &ipv6_route_ifname_pref_tag_label_cmd);
 900         install_element(CONFIG_NODE, &no_ipv6_route_tag_label_cmd);
 901         install_element(CONFIG_NODE, &no_ipv6_route_ifname_tag_label_cmd);
 902         install_element(CONFIG_NODE, &no_ipv6_route_pref_tag_label_cmd);
 903         install_element(CONFIG_NODE, &no_ipv6_route_ifname_pref_tag_label_cmd);
 904
 905         install_element(CONFIG_NODE, &mpls_transit_lsp_cmd);
 906         install_element(CONFIG_NODE, &no_mpls_transit_lsp_cmd);
 907         install_element(CONFIG_NODE, &no_mpls_transit_lsp_out_label_cmd);
 908         install_element(CONFIG_NODE, &no_mpls_transit_lsp_all_cmd);
 909
 910         install_element(VIEW_NODE, &show_mpls_table_cmd);
 911         install_element(VIEW_NODE, &show_mpls_table_lsp_cmd);
 912 }