pbrd/pbr_vty.c

   1 /*
   2  * PBR - vty code
   3  * Copyright (C) 2018 Cumulus Networks, Inc.
   4  *               Donald Sharp
   5  *
   6  * FRR 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  * FRR 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 along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20 #include <zebra.h>
  21
  22 #include "vty.h"
  23 #include "command.h"
  24 #include "prefix.h"
  25 #include "vrf.h"
  26 #include "nexthop.h"
  27 #include "nexthop_group.h"
  28 #include "log.h"
  29 #include "debug.h"
  30 #include "pbr.h"
  31
  32 #include "pbrd/pbr_nht.h"
  33 #include "pbrd/pbr_map.h"
  34 #include "pbrd/pbr_zebra.h"
  35 #include "pbrd/pbr_vty.h"
  36 #include "pbrd/pbr_debug.h"
  37 #ifndef VTYSH_EXTRACT_PL
  38 #include "pbrd/pbr_vty_clippy.c"
  39 #endif
  40
  41 DEFUN_NOSH(pbr_map, pbr_map_cmd, "pbr-map WORD seq (1-700)",
  42            "Create pbr-map or enter pbr-map command mode\n"
  43            "The name of the PBR MAP\n"
  44            "Sequence to insert in existing pbr-map entry\n"
  45            "Sequence number\n")
  46 {
  47         const char *pbrm_name = argv[1]->arg;
  48         uint32_t seqno = atoi(argv[3]->arg);
  49         struct pbr_map_sequence *pbrms;
  50
  51         pbrms = pbrms_get(pbrm_name, seqno);
  52         VTY_PUSH_CONTEXT(PBRMAP_NODE, pbrms);
  53
  54         return CMD_SUCCESS;
  55 }
  56
  57 DEFUN_NOSH(no_pbr_map, no_pbr_map_cmd, "no pbr-map WORD [seq (1-700)]",
  58            NO_STR
  59            "Delete pbr-map\n"
  60            "The name of the PBR MAP\n"
  61            "Sequence to delete from existing pbr-map entry\n"
  62            "Sequence number\n")
  63 {
  64         const char *pbrm_name = argv[2]->arg;
  65         uint32_t seqno = 0;
  66         struct pbr_map *pbrm = pbrm_find(pbrm_name);
  67         struct pbr_map_sequence *pbrms;
  68         struct listnode *node, *next_node;
  69
  70         if (argc > 3)
  71                 seqno = atoi(argv[4]->arg);
  72
  73         if (!pbrm) {
  74                 vty_out(vty, "pbr-map %s not found\n", pbrm_name);
  75                 return CMD_SUCCESS;
  76         }
  77
  78         for (ALL_LIST_ELEMENTS(pbrm->seqnumbers, node, next_node, pbrms)) {
  79                 if (seqno && pbrms->seqno != seqno)
  80                         continue;
  81
  82                 pbr_map_delete(pbrms);
  83         }
  84
  85         return CMD_SUCCESS;
  86 }
  87
  88 DEFPY(pbr_set_table_range,
  89       pbr_set_table_range_cmd,
  90       "[no] pbr table range (10000-4294966272)$lb (10000-4294966272)$ub",
  91       NO_STR
  92       PBR_STR
  93       "Set table ID range\n"
  94       "Set table ID range\n"
  95       "Lower bound for table ID range\n"
  96       "Upper bound for table ID range\n")
  97 {
  98         /* upper bound is 2^32 - 2^10 */
  99         int ret = CMD_WARNING;
 100
 101         /* validate given bounds */
 102         if (lb > ub)
 103                 vty_out(vty, "%% Lower bound must be less than upper bound\n");
 104         else if (ub - lb < 10)
 105                 vty_out(vty, "%% Range breadth must be at least 10\n");
 106         else {
 107                 ret = CMD_SUCCESS;
 108                 pbr_nht_set_tableid_range((uint32_t) lb, (uint32_t) ub);
 109         }
 110
 111         return ret;
 112 }
 113
 114
 115 DEFPY(pbr_map_match_src, pbr_map_match_src_cmd,
 116         "[no] match src-ip <A.B.C.D/M|X:X::X:X/M>$prefix",
 117         NO_STR
 118         "Match the rest of the command\n"
 119         "Choose the src ip or ipv6 prefix to use\n"
 120         "v4 Prefix\n"
 121         "v6 Prefix\n")
 122 {
 123         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 124
 125         pbrms->family = prefix->family;
 126
 127         if (!no) {
 128                 if (prefix_same(pbrms->src, prefix))
 129                         return CMD_SUCCESS;
 130
 131                 if (!pbrms->src)
 132                         pbrms->src = prefix_new();
 133                 prefix_copy(pbrms->src, prefix);
 134         } else {
 135                 prefix_free(pbrms->src);
 136                 pbrms->src = 0;
 137         }
 138
 139         pbr_map_check(pbrms);
 140
 141         return CMD_SUCCESS;
 142 }
 143
 144 DEFPY(pbr_map_match_dst, pbr_map_match_dst_cmd,
 145         "[no] match dst-ip <A.B.C.D/M|X:X::X:X/M>$prefix",
 146         NO_STR
 147         "Match the rest of the command\n"
 148         "Choose the src ip or ipv6 prefix to use\n"
 149         "v4 Prefix\n"
 150         "v6 Prefix\n")
 151 {
 152         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 153
 154         pbrms->family = prefix->family;
 155
 156         if (!no) {
 157                 if (prefix_same(pbrms->dst, prefix))
 158                         return CMD_SUCCESS;
 159
 160                 if (!pbrms->dst)
 161                         pbrms->dst = prefix_new();
 162                 prefix_copy(pbrms->dst, prefix);
 163         } else {
 164                 prefix_free(pbrms->dst);
 165                 pbrms->dst = NULL;
 166         }
 167
 168         pbr_map_check(pbrms);
 169
 170         return CMD_SUCCESS;
 171 }
 172
 173 DEFPY(pbr_map_nexthop_group, pbr_map_nexthop_group_cmd,
 174         "[no] set nexthop-group NAME$name",
 175         NO_STR
 176         "Set for the PBR-MAP\n"
 177         "nexthop-group to use\n"
 178         "The name of the nexthop-group\n")
 179 {
 180         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 181         struct nexthop_group_cmd *nhgc;
 182
 183         if (pbrms->nhg) {
 184                 vty_out(vty,
 185                         "A `set nexthop XX` command already exists, please remove that first\n");
 186                 return CMD_WARNING_CONFIG_FAILED;
 187         }
 188
 189         nhgc = nhgc_find(name);
 190         if (!nhgc) {
 191                 vty_out(vty, "Specified nexthop-group %s does not exist\n",
 192                         name);
 193                 vty_out(vty, "PBR-MAP will not be applied until it is created\n");
 194         }
 195
 196         if (no) {
 197                 if (pbrms->nhgrp_name && strcmp(name, pbrms->nhgrp_name) == 0)
 198                         pbr_map_delete_nexthop_group(pbrms);
 199                 else {
 200                         vty_out(vty,
 201                                 "Nexthop Group specified: %s does not exist to remove",
 202                                 name);
 203                         return CMD_WARNING_CONFIG_FAILED;
 204                 }
 205         } else {
 206                 if (pbrms->nhgrp_name) {
 207                         if (strcmp(name, pbrms->nhgrp_name) != 0) {
 208                                 vty_out(vty,
 209                                         "Please delete current nexthop group before modifying current one");
 210                                 return CMD_WARNING_CONFIG_FAILED;
 211                         }
 212
 213                         return CMD_SUCCESS;
 214                 }
 215                 pbrms->nhgrp_name = XSTRDUP(MTYPE_TMP, name);
 216                 pbr_map_check(pbrms);
 217         }
 218
 219         return CMD_SUCCESS;
 220 }
 221
 222 DEFPY(pbr_map_nexthop, pbr_map_nexthop_cmd,
 223       "[no] set nexthop <A.B.C.D|X:X::X:X>$addr [INTERFACE]$intf [nexthop-vrf NAME$name]",
 224       NO_STR
 225       "Set for the PBR-MAP\n"
 226       "Specify one of the nexthops in this map\n"
 227       "v4 Address\n"
 228       "v6 Address\n"
 229       "Interface to use\n"
 230       "If the nexthop is in a different vrf tell us\n"
 231       "The nexthop-vrf Name\n")
 232 {
 233         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 234         struct vrf *vrf;
 235         struct nexthop nhop;
 236         struct nexthop *nh;
 237
 238         if (pbrms->nhgrp_name) {
 239                 vty_out(vty,
 240                         "Please unconfigure the nexthop group before adding an individual nexthop");
 241                 return CMD_WARNING_CONFIG_FAILED;
 242         }
 243
 244         if (name)
 245                 vrf = vrf_lookup_by_name(name);
 246         else
 247                 vrf = vrf_lookup_by_id(VRF_DEFAULT);
 248
 249         if (!vrf) {
 250                 vty_out(vty, "Specified: %s is non-existent\n", name);
 251                 return CMD_WARNING_CONFIG_FAILED;
 252         }
 253
 254         memset(&nhop, 0, sizeof(nhop));
 255         nhop.vrf_id = vrf->vrf_id;
 256
 257         /*
 258          * Make SA happy.  CLIPPY is not going to give us a NULL
 259          * addr.
 260          */
 261         assert(addr);
 262         if (addr->sa.sa_family == AF_INET) {
 263                 nhop.gate.ipv4.s_addr = addr->sin.sin_addr.s_addr;
 264                 if (intf) {
 265                         nhop.type = NEXTHOP_TYPE_IPV4_IFINDEX;
 266                         nhop.ifindex = ifname2ifindex(intf, vrf->vrf_id);
 267                         if (nhop.ifindex == IFINDEX_INTERNAL) {
 268                                 vty_out(vty,
 269                                         "Specified Intf %s does not exist in vrf: %s\n",
 270                                         intf, vrf->name);
 271                                 return CMD_WARNING_CONFIG_FAILED;
 272                         }
 273                 } else
 274                         nhop.type = NEXTHOP_TYPE_IPV4;
 275         } else {
 276                 memcpy(&nhop.gate.ipv6, &addr->sin6.sin6_addr, 16);
 277                 if (intf) {
 278                         nhop.type = NEXTHOP_TYPE_IPV6_IFINDEX;
 279                         nhop.ifindex = ifname2ifindex(intf, vrf->vrf_id);
 280                         if (nhop.ifindex == IFINDEX_INTERNAL) {
 281                                 vty_out(vty,
 282                                         "Specified Intf %s does not exist in vrf: %s\n",
 283                                         intf, vrf->name);
 284                                 return CMD_WARNING_CONFIG_FAILED;
 285                         }
 286                 } else {
 287                         if (IN6_IS_ADDR_LINKLOCAL(&nhop.gate.ipv6)) {
 288                                 vty_out(vty,
 289                                         "Specified a v6 LL with no interface, rejecting\n");
 290                                 return CMD_WARNING_CONFIG_FAILED;
 291                         }
 292                         nhop.type = NEXTHOP_TYPE_IPV6;
 293                 }
 294         }
 295
 296         if (pbrms->nhg)
 297                 nh = nexthop_exists(pbrms->nhg, &nhop);
 298         else {
 299                 char buf[PBR_NHC_NAMELEN];
 300
 301                 if (no) {
 302                         vty_out(vty, "No nexthops to delete");
 303                         return CMD_WARNING_CONFIG_FAILED;
 304                 }
 305
 306                 pbrms->nhg = nexthop_group_new();
 307                 pbrms->internal_nhg_name =
 308                         XSTRDUP(MTYPE_TMP,
 309                                 pbr_nht_nexthop_make_name(pbrms->parent->name,
 310                                                           PBR_NHC_NAMELEN,
 311                                                           pbrms->seqno,
 312                                                           buf));
 313                 nh = NULL;
 314         }
 315
 316         if (no) {
 317                 if (nh)
 318                         pbr_nht_delete_individual_nexthop(pbrms);
 319         } else if (!nh) {
 320
 321                 if (pbrms->nhg->nexthop) {
 322                         vty_out(vty,
 323                                 "If you would like more than one nexthop please use nexthop-groups");
 324                         return CMD_WARNING_CONFIG_FAILED;
 325                 }
 326
 327                 /* must be adding new nexthop since !no and !nexthop_exists */
 328                 nh = nexthop_new();
 329
 330                 memcpy(nh, &nhop, sizeof(nhop));
 331                 nexthop_add(&pbrms->nhg->nexthop, nh);
 332
 333                 pbr_nht_add_individual_nexthop(pbrms);
 334                 pbr_map_check(pbrms);
 335         }
 336
 337         return CMD_SUCCESS;
 338 }
 339
 340 DEFPY (pbr_policy,
 341         pbr_policy_cmd,
 342         "[no] pbr-policy NAME$mapname",
 343         NO_STR
 344         "Policy to use\n"
 345         "Name of the pbr-map to apply\n")
 346 {
 347         VTY_DECLVAR_CONTEXT(interface, ifp);
 348         struct pbr_map *pbrm, *old_pbrm;
 349         struct pbr_interface *pbr_ifp = ifp->info;
 350
 351         pbrm = pbrm_find(mapname);
 352
 353         if (!pbr_ifp) {
 354                 /* we don't want one and we don't have one, so... */
 355                 if (no)
 356                         return CMD_SUCCESS;
 357
 358                 /* Some one could have fat fingered the interface name */
 359                 pbr_ifp = pbr_if_new(ifp);
 360         }
 361
 362         if (no) {
 363                 if (strcmp(pbr_ifp->mapname, mapname) == 0) {
 364                         pbr_ifp->mapname[0] = '\0';
 365                         if (pbrm)
 366                                 pbr_map_interface_delete(pbrm, ifp);
 367                 }
 368         } else {
 369                 if (strcmp(pbr_ifp->mapname, "") != 0) {
 370                         old_pbrm = pbrm_find(pbr_ifp->mapname);
 371                         if (old_pbrm)
 372                                 pbr_map_interface_delete(old_pbrm, ifp);
 373                 }
 374                 snprintf(pbr_ifp->mapname, sizeof(pbr_ifp->mapname),
 375                          "%s", mapname);
 376                 if (pbrm)
 377                         pbr_map_add_interface(pbrm, ifp);
 378         }
 379
 380         return CMD_SUCCESS;
 381 }
 382
 383 DEFPY (show_pbr,
 384         show_pbr_cmd,
 385         "show pbr",
 386         SHOW_STR
 387         PBR_STR)
 388 {
 389         pbr_nht_write_table_range(vty);
 390         pbr_nht_write_rule_range(vty);
 391
 392         return CMD_SUCCESS;
 393 }
 394
 395 DEFPY (show_pbr_map,
 396         show_pbr_map_cmd,
 397         "show pbr map [NAME$name] [detail$detail]",
 398         SHOW_STR
 399         PBR_STR
 400         "PBR Map\n"
 401         "PBR Map Name\n"
 402         "Detailed information\n")
 403 {
 404         struct pbr_map_sequence *pbrms;
 405         struct pbr_map *pbrm;
 406         struct listnode *node;
 407         char buf[PREFIX_STRLEN];
 408         char rbuf[64];
 409
 410         RB_FOREACH (pbrm, pbr_map_entry_head, &pbr_maps) {
 411                 if (name && strcmp(name, pbrm->name) != 0)
 412                         continue;
 413
 414                 vty_out(vty, "  pbr-map %s valid: %d\n", pbrm->name,
 415                         pbrm->valid);
 416
 417                 for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, node, pbrms)) {
 418                         if (pbrms->reason)
 419                                 pbr_map_reason_string(pbrms->reason, rbuf,
 420                                                       sizeof(rbuf));
 421                         vty_out(vty,
 422                                 "    Seq: %u rule: %u Installed: %" PRIu64 "(%u) Reason: %s\n",
 423                                 pbrms->seqno, pbrms->ruleno, pbrms->installed,
 424                                 pbrms->unique, pbrms->reason ? rbuf : "Valid");
 425
 426                         if (pbrms->src)
 427                                 vty_out(vty, "\tSRC Match: %s\n",
 428                                         prefix2str(pbrms->src, buf,
 429                                                    sizeof(buf)));
 430                         if (pbrms->dst)
 431                                 vty_out(vty, "\tDST Match: %s\n",
 432                                         prefix2str(pbrms->dst, buf,
 433                                                    sizeof(buf)));
 434
 435                         if (pbrms->nhgrp_name) {
 436                                 vty_out(vty,
 437                                         "\tNexthop-Group: %s(%u) Installed: %u(%d)\n",
 438                                         pbrms->nhgrp_name,
 439                                         pbr_nht_get_table(pbrms->nhgrp_name),
 440                                         pbrms->nhs_installed,
 441                                         pbr_nht_get_installed(
 442                                                 pbrms->nhgrp_name));
 443                         } else if (pbrms->nhg) {
 444                                 vty_out(vty, "     ");
 445                                 nexthop_group_write_nexthop(
 446                                         vty, pbrms->nhg->nexthop);
 447                                 vty_out(vty,
 448                                         "\tInstalled: %u(%d) Tableid: %d\n",
 449                                         pbrms->nhs_installed,
 450                                         pbr_nht_get_installed(
 451                                                 pbrms->internal_nhg_name),
 452                                         pbr_nht_get_table(
 453                                                 pbrms->internal_nhg_name));
 454                         } else {
 455                                 vty_out(vty,
 456                                         "\tNexthop-Group: Unknown Installed: 0(0)\n");
 457                         }
 458                 }
 459         }
 460         return CMD_SUCCESS;
 461 }
 462
 463 DEFPY(show_pbr_nexthop_group,
 464       show_pbr_nexthop_group_cmd,
 465       "show pbr nexthop-groups [WORD$word]",
 466       SHOW_STR
 467       PBR_STR
 468       "Nexthop Groups\n"
 469       "Optional Name of the nexthop group\n")
 470 {
 471         pbr_nht_show_nexthop_group(vty, word);
 472
 473         return CMD_SUCCESS;
 474 }
 475
 476 DEFPY (show_pbr_interface,
 477         show_pbr_interface_cmd,
 478         "show pbr interface [NAME$name]",
 479         SHOW_STR
 480         PBR_STR
 481         "PBR Interface\n"
 482         "PBR Interface Name\n")
 483 {
 484         struct interface *ifp;
 485         struct vrf *vrf;
 486         struct pbr_interface *pbr_ifp;
 487
 488         RB_FOREACH(vrf, vrf_name_head, &vrfs_by_name) {
 489                 FOR_ALL_INTERFACES(vrf, ifp) {
 490                         struct pbr_map *pbrm;
 491
 492                         if (!ifp->info)
 493                                 continue;
 494
 495                         if (name && strcmp(ifp->name, name) != 0)
 496                                 continue;
 497
 498                         pbr_ifp = ifp->info;
 499
 500                         if (strcmp(pbr_ifp->mapname, "") == 0)
 501                                 continue;
 502
 503                         pbrm = pbrm_find(pbr_ifp->mapname);
 504                         vty_out(vty, "  %s(%d) with pbr-policy %s", ifp->name,
 505                                 ifp->ifindex, pbr_ifp->mapname);
 506                         if (!pbrm)
 507                                 vty_out(vty, " (map doesn't exist)");
 508                         vty_out(vty, "\n");
 509                 }
 510         }
 511
 512         return CMD_SUCCESS;
 513 }
 514
 515 /* PBR debugging CLI ------------------------------------------------------- */
 516
 517 static struct cmd_node debug_node = {DEBUG_NODE, "", 1};
 518
 519 DEFPY(debug_pbr,
 520       debug_pbr_cmd,
 521       "[no] debug pbr [{map$map|zebra$zebra|nht$nht|events$events}]",
 522       NO_STR
 523       DEBUG_STR
 524       PBR_STR
 525       "Policy maps\n"
 526       "PBRD <-> Zebra communications\n"
 527       "Nexthop tracking\n"
 528       "Events\n")
 529 {
 530         uint32_t mode = DEBUG_NODE2MODE(vty->node);
 531
 532         if (map)
 533                 DEBUG_MODE_SET(&pbr_dbg_map, mode, !no);
 534         if (zebra)
 535                 DEBUG_MODE_SET(&pbr_dbg_zebra, mode, !no);
 536         if (nht)
 537                 DEBUG_MODE_SET(&pbr_dbg_nht, mode, !no);
 538         if (events)
 539                 DEBUG_MODE_SET(&pbr_dbg_event, mode, !no);
 540
 541         /* no specific debug --> act on all of them */
 542         if (strmatch(argv[argc - 1]->text, "pbr"))
 543                 pbr_debug_set_all(mode, !no);
 544
 545         return CMD_SUCCESS;
 546 }
 547
 548 DEFUN_NOSH(show_debugging_pbr,
 549            show_debugging_pbr_cmd,
 550            "show debugging [pbr]",
 551            SHOW_STR
 552            DEBUG_STR
 553            PBR_STR)
 554 {
 555         vty_out(vty, "PBR debugging status:\n");
 556
 557         pbr_debug_config_write_helper(vty, false);
 558
 559         return CMD_SUCCESS;
 560 }
 561
 562 /* ------------------------------------------------------------------------- */
 563
 564
 565 static struct cmd_node interface_node = {
 566         INTERFACE_NODE, "%s(config-if)# ", 1 /* vtysh ? yes */
 567 };
 568
 569 static int pbr_interface_config_write(struct vty *vty)
 570 {
 571         struct interface *ifp;
 572         struct vrf *vrf;
 573
 574         RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
 575                 FOR_ALL_INTERFACES (vrf, ifp) {
 576                         if (vrf->vrf_id == VRF_DEFAULT)
 577                                 vty_frame(vty, "interface %s\n", ifp->name);
 578                         else
 579                                 vty_frame(vty, "interface %s vrf %s\n",
 580                                           ifp->name, vrf->name);
 581
 582                         pbr_map_write_interfaces(vty, ifp);
 583
 584                         vty_endframe(vty, "!\n");
 585                 }
 586         }
 587
 588         return 1;
 589 }
 590
 591 /* PBR map node structure. */
 592 static struct cmd_node pbr_map_node = {PBRMAP_NODE, "%s(config-pbr-map)# ", 1};
 593
 594 static int pbr_vty_map_config_write_sequence(struct vty *vty,
 595                                              struct pbr_map *pbrm,
 596                                              struct pbr_map_sequence *pbrms)
 597 {
 598         char buff[PREFIX_STRLEN];
 599
 600         vty_out(vty, "pbr-map %s seq %u\n", pbrm->name, pbrms->seqno);
 601
 602         if (pbrms->src)
 603                 vty_out(vty, "  match src-ip %s\n",
 604                         prefix2str(pbrms->src, buff, sizeof(buff)));
 605
 606         if (pbrms->dst)
 607                 vty_out(vty, "  match dst-ip %s\n",
 608                         prefix2str(pbrms->dst, buff, sizeof(buff)));
 609
 610         if (pbrms->nhgrp_name)
 611                 vty_out(vty, "  set nexthop-group %s\n", pbrms->nhgrp_name);
 612
 613         if (pbrms->nhg) {
 614                 vty_out(vty, "  set ");
 615                 nexthop_group_write_nexthop(vty, pbrms->nhg->nexthop);
 616         }
 617
 618         vty_out(vty, "!\n");
 619         return 1;
 620 }
 621
 622 static int pbr_vty_map_config_write(struct vty *vty)
 623 {
 624         struct pbr_map *pbrm;
 625
 626         pbr_nht_write_table_range(vty);
 627         pbr_nht_write_rule_range(vty);
 628
 629         RB_FOREACH(pbrm, pbr_map_entry_head, &pbr_maps) {
 630                 struct pbr_map_sequence *pbrms;
 631                 struct listnode *node;
 632
 633                 for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, node, pbrms))
 634                         pbr_vty_map_config_write_sequence(vty, pbrm, pbrms);
 635         }
 636
 637         return 1;
 638 }
 639
 640 void pbr_vty_init(void)
 641 {
 642         install_node(&interface_node,
 643                      pbr_interface_config_write);
 644         if_cmd_init();
 645
 646         install_node(&pbr_map_node,
 647                      pbr_vty_map_config_write);
 648
 649         /* debug */
 650         install_node(&debug_node, pbr_debug_config_write);
 651         install_element(VIEW_NODE, &debug_pbr_cmd);
 652         install_element(CONFIG_NODE, &debug_pbr_cmd);
 653         install_element(VIEW_NODE, &show_debugging_pbr_cmd);
 654
 655         install_default(PBRMAP_NODE);
 656
 657         install_element(CONFIG_NODE, &pbr_map_cmd);
 658         install_element(CONFIG_NODE, &no_pbr_map_cmd);
 659         install_element(CONFIG_NODE, &pbr_set_table_range_cmd);
 660         install_element(INTERFACE_NODE, &pbr_policy_cmd);
 661         install_element(PBRMAP_NODE, &pbr_map_match_src_cmd);
 662         install_element(PBRMAP_NODE, &pbr_map_match_dst_cmd);
 663         install_element(PBRMAP_NODE, &pbr_map_nexthop_group_cmd);
 664         install_element(PBRMAP_NODE, &pbr_map_nexthop_cmd);
 665         install_element(VIEW_NODE, &show_pbr_cmd);
 666         install_element(VIEW_NODE, &show_pbr_map_cmd);
 667         install_element(VIEW_NODE, &show_pbr_interface_cmd);
 668         install_element(VIEW_NODE, &show_pbr_nexthop_group_cmd);
 669 }