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 "nexthop_group_private.h"
  29 #include "log.h"
  30 #include "debug.h"
  31 #include "pbr.h"
  32
  33 #include "pbrd/pbr_nht.h"
  34 #include "pbrd/pbr_map.h"
  35 #include "pbrd/pbr_zebra.h"
  36 #include "pbrd/pbr_vty.h"
  37 #include "pbrd/pbr_debug.h"
  38 #ifndef VTYSH_EXTRACT_PL
  39 #include "pbrd/pbr_vty_clippy.c"
  40 #endif
  41
  42 DEFUN_NOSH(pbr_map, pbr_map_cmd, "pbr-map PBRMAP seq (1-700)",
  43            "Create pbr-map or enter pbr-map command mode\n"
  44            "The name of the PBR MAP\n"
  45            "Sequence to insert in existing pbr-map entry\n"
  46            "Sequence number\n")
  47 {
  48         const char *pbrm_name = argv[1]->arg;
  49         uint32_t seqno = atoi(argv[3]->arg);
  50         struct pbr_map_sequence *pbrms;
  51
  52         pbrms = pbrms_get(pbrm_name, seqno);
  53         VTY_PUSH_CONTEXT(PBRMAP_NODE, pbrms);
  54
  55         return CMD_SUCCESS;
  56 }
  57
  58 DEFUN_NOSH(no_pbr_map, no_pbr_map_cmd, "no pbr-map PBRMAP [seq (1-700)]",
  59            NO_STR
  60            "Delete pbr-map\n"
  61            "The name of the PBR MAP\n"
  62            "Sequence to delete from existing pbr-map entry\n"
  63            "Sequence number\n")
  64 {
  65         const char *pbrm_name = argv[2]->arg;
  66         uint32_t seqno = 0;
  67         struct pbr_map *pbrm = pbrm_find(pbrm_name);
  68         struct pbr_map_sequence *pbrms;
  69         struct listnode *node, *next_node;
  70
  71         if (argc > 3)
  72                 seqno = atoi(argv[4]->arg);
  73
  74         if (!pbrm) {
  75                 vty_out(vty, "pbr-map %s not found\n", pbrm_name);
  76                 return CMD_SUCCESS;
  77         }
  78
  79         for (ALL_LIST_ELEMENTS(pbrm->seqnumbers, node, next_node, pbrms)) {
  80                 if (seqno && pbrms->seqno != seqno)
  81                         continue;
  82
  83                 pbr_map_delete(pbrms);
  84         }
  85
  86         return CMD_SUCCESS;
  87 }
  88
  89 DEFPY(pbr_set_table_range,
  90       pbr_set_table_range_cmd,
  91       "[no] pbr table range (10000-4294966272)$lb (10000-4294966272)$ub",
  92       NO_STR
  93       PBR_STR
  94       "Set table ID range\n"
  95       "Set table ID range\n"
  96       "Lower bound for table ID range\n"
  97       "Upper bound for table ID range\n")
  98 {
  99         /* upper bound is 2^32 - 2^10 */
 100         int ret = CMD_WARNING;
 101         const int minrange = 1000;
 102
 103         /* validate given bounds */
 104         if (lb > ub)
 105                 vty_out(vty, "%% Lower bound must be less than upper bound\n");
 106         else if (ub - lb < minrange)
 107                 vty_out(vty, "%% Range breadth must be at least %d\n", minrange);
 108         else {
 109                 ret = CMD_SUCCESS;
 110                 pbr_nht_set_tableid_range((uint32_t) lb, (uint32_t) ub);
 111         }
 112
 113         return ret;
 114 }
 115
 116
 117 DEFPY(pbr_map_match_src, pbr_map_match_src_cmd,
 118         "[no] match src-ip <A.B.C.D/M|X:X::X:X/M>$prefix",
 119         NO_STR
 120         "Match the rest of the command\n"
 121         "Choose the src ip or ipv6 prefix to use\n"
 122         "v4 Prefix\n"
 123         "v6 Prefix\n")
 124 {
 125         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 126
 127         pbrms->family = prefix->family;
 128
 129         if (!no) {
 130                 if (prefix_same(pbrms->src, prefix))
 131                         return CMD_SUCCESS;
 132
 133                 if (!pbrms->src)
 134                         pbrms->src = prefix_new();
 135                 prefix_copy(pbrms->src, prefix);
 136         } else {
 137                 prefix_free(pbrms->src);
 138                 pbrms->src = 0;
 139         }
 140
 141         pbr_map_check(pbrms);
 142
 143         return CMD_SUCCESS;
 144 }
 145
 146 DEFPY(pbr_map_match_dst, pbr_map_match_dst_cmd,
 147         "[no] match dst-ip <A.B.C.D/M|X:X::X:X/M>$prefix",
 148         NO_STR
 149         "Match the rest of the command\n"
 150         "Choose the src ip or ipv6 prefix to use\n"
 151         "v4 Prefix\n"
 152         "v6 Prefix\n")
 153 {
 154         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 155
 156         pbrms->family = prefix->family;
 157
 158         if (!no) {
 159                 if (prefix_same(pbrms->dst, prefix))
 160                         return CMD_SUCCESS;
 161
 162                 if (!pbrms->dst)
 163                         pbrms->dst = prefix_new();
 164                 prefix_copy(pbrms->dst, prefix);
 165         } else {
 166                 prefix_free(pbrms->dst);
 167                 pbrms->dst = NULL;
 168         }
 169
 170         pbr_map_check(pbrms);
 171
 172         return CMD_SUCCESS;
 173 }
 174
 175 DEFPY(pbr_map_nexthop_group, pbr_map_nexthop_group_cmd,
 176         "[no] set nexthop-group NHGNAME$name",
 177         NO_STR
 178         "Set for the PBR-MAP\n"
 179         "nexthop-group to use\n"
 180         "The name of the nexthop-group\n")
 181 {
 182         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 183         struct nexthop_group_cmd *nhgc;
 184
 185         if (pbrms->nhg) {
 186                 vty_out(vty,
 187                         "A `set nexthop XX` command already exists, please remove that first\n");
 188                 return CMD_WARNING_CONFIG_FAILED;
 189         }
 190
 191         nhgc = nhgc_find(name);
 192         if (!nhgc) {
 193                 vty_out(vty, "Specified nexthop-group %s does not exist\n",
 194                         name);
 195                 vty_out(vty, "PBR-MAP will not be applied until it is created\n");
 196         }
 197
 198         if (no) {
 199                 if (pbrms->nhgrp_name && strcmp(name, pbrms->nhgrp_name) == 0)
 200                         pbr_map_delete_nexthop_group(pbrms);
 201                 else {
 202                         vty_out(vty,
 203                                 "Nexthop Group specified: %s does not exist to remove",
 204                                 name);
 205                         return CMD_WARNING_CONFIG_FAILED;
 206                 }
 207         } else {
 208                 if (pbrms->nhgrp_name) {
 209                         if (strcmp(name, pbrms->nhgrp_name) != 0) {
 210                                 vty_out(vty,
 211                                         "Please delete current nexthop group before modifying current one");
 212                                 return CMD_WARNING_CONFIG_FAILED;
 213                         }
 214
 215                         return CMD_SUCCESS;
 216                 }
 217                 pbrms->nhgrp_name = XSTRDUP(MTYPE_TMP, name);
 218                 pbr_map_check(pbrms);
 219         }
 220
 221         return CMD_SUCCESS;
 222 }
 223
 224 DEFPY(pbr_map_nexthop, pbr_map_nexthop_cmd,
 225       "[no] set nexthop\
 226         <\
 227           <A.B.C.D|X:X::X:X>$addr [INTERFACE$intf]\
 228           |INTERFACE$intf\
 229         >\
 230         [nexthop-vrf NAME$name]",
 231       NO_STR
 232       "Set for the PBR-MAP\n"
 233       "Specify one of the nexthops in this map\n"
 234       "v4 Address\n"
 235       "v6 Address\n"
 236       "Interface to use\n"
 237       "Interface to use\n"
 238       "If the nexthop is in a different vrf tell us\n"
 239       "The nexthop-vrf Name\n")
 240 {
 241         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 242         struct vrf *vrf;
 243         struct nexthop nhop;
 244         struct nexthop *nh;
 245
 246         if (pbrms->nhgrp_name) {
 247                 vty_out(vty,
 248                         "Please unconfigure the nexthop group before adding an individual nexthop");
 249                 return CMD_WARNING_CONFIG_FAILED;
 250         }
 251
 252         if (name)
 253                 vrf = vrf_lookup_by_name(name);
 254         else
 255                 vrf = vrf_lookup_by_id(VRF_DEFAULT);
 256
 257         if (!vrf) {
 258                 vty_out(vty, "Specified: %s is non-existent\n", name);
 259                 return CMD_WARNING_CONFIG_FAILED;
 260         }
 261
 262         memset(&nhop, 0, sizeof(nhop));
 263         nhop.vrf_id = vrf->vrf_id;
 264
 265         if (intf) {
 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         }
 274
 275         if (addr) {
 276                 if (addr->sa.sa_family == AF_INET) {
 277                         nhop.gate.ipv4.s_addr = addr->sin.sin_addr.s_addr;
 278                         if (intf)
 279                                 nhop.type = NEXTHOP_TYPE_IPV4_IFINDEX;
 280                         else
 281                                 nhop.type = NEXTHOP_TYPE_IPV4;
 282                 } else {
 283                         nhop.gate.ipv6 = addr->sin6.sin6_addr;
 284                         if (intf)
 285                                 nhop.type = NEXTHOP_TYPE_IPV6_IFINDEX;
 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         } else
 296                 nhop.type = NEXTHOP_TYPE_IFINDEX;
 297
 298         if (pbrms->nhg)
 299                 nh = nexthop_exists(pbrms->nhg, &nhop);
 300         else {
 301                 char buf[PBR_NHC_NAMELEN];
 302
 303                 if (no) {
 304                         vty_out(vty, "No nexthops to delete\n");
 305                         return CMD_WARNING_CONFIG_FAILED;
 306                 }
 307
 308                 pbrms->nhg = nexthop_group_new();
 309                 pbrms->internal_nhg_name =
 310                         XSTRDUP(MTYPE_TMP,
 311                                 pbr_nht_nexthop_make_name(pbrms->parent->name,
 312                                                           PBR_NHC_NAMELEN,
 313                                                           pbrms->seqno,
 314                                                           buf));
 315                 nh = NULL;
 316         }
 317
 318         if (no) {
 319                 if (nh)
 320                         pbr_nht_delete_individual_nexthop(pbrms);
 321         } else if (!nh) {
 322
 323                 if (pbrms->nhg->nexthop) {
 324                         vty_out(vty,
 325                                 "If you would like more than one nexthop please use nexthop-groups");
 326                         return CMD_WARNING_CONFIG_FAILED;
 327                 }
 328
 329                 /* must be adding new nexthop since !no and !nexthop_exists */
 330                 nh = nexthop_new();
 331
 332                 memcpy(nh, &nhop, sizeof(nhop));
 333                 _nexthop_add(&pbrms->nhg->nexthop, nh);
 334
 335                 pbr_nht_add_individual_nexthop(pbrms);
 336                 pbr_map_check(pbrms);
 337         }
 338
 339         if (nhop.type == NEXTHOP_TYPE_IFINDEX) {
 340                 struct interface *ifp;
 341
 342                 ifp = if_lookup_by_index(nhop.ifindex, nhop.vrf_id);
 343                 if (ifp)
 344                         pbr_nht_nexthop_interface_update(ifp);
 345         }
 346
 347         return CMD_SUCCESS;
 348 }
 349
 350 DEFPY (pbr_policy,
 351         pbr_policy_cmd,
 352         "[no] pbr-policy PBRMAP$mapname",
 353         NO_STR
 354         "Policy to use\n"
 355         "Name of the pbr-map to apply\n")
 356 {
 357         VTY_DECLVAR_CONTEXT(interface, ifp);
 358         struct pbr_map *pbrm, *old_pbrm;
 359         struct pbr_interface *pbr_ifp = ifp->info;
 360
 361         old_pbrm = NULL;
 362         pbrm = pbrm_find(mapname);
 363
 364         if (!pbr_ifp) {
 365                 /* we don't want one and we don't have one, so... */
 366                 if (no)
 367                         return CMD_SUCCESS;
 368
 369                 /* Some one could have fat fingered the interface name */
 370                 pbr_ifp = pbr_if_new(ifp);
 371         }
 372
 373         if (no) {
 374                 if (strcmp(pbr_ifp->mapname, mapname) == 0) {
 375                         pbr_ifp->mapname[0] = '\0';
 376                         if (pbrm)
 377                                 pbr_map_interface_delete(pbrm, ifp);
 378                 }
 379         } else {
 380                 if (strcmp(pbr_ifp->mapname, "") != 0) {
 381                         old_pbrm = pbrm_find(pbr_ifp->mapname);
 382
 383                         /*
 384                          * So if we have an old pbrm we should only
 385                          * delete it if we are actually deleting and
 386                          * moving to a new pbrm
 387                          */
 388                         if (old_pbrm && old_pbrm != pbrm)
 389                                 pbr_map_interface_delete(old_pbrm, ifp);
 390                 }
 391                 snprintf(pbr_ifp->mapname, sizeof(pbr_ifp->mapname),
 392                          "%s", mapname);
 393
 394                 /*
 395                  * So only reinstall if the old_pbrm and this pbrm are
 396                  * different.
 397                  */
 398                 if (pbrm && pbrm != old_pbrm)
 399                         pbr_map_add_interface(pbrm, ifp);
 400         }
 401
 402         return CMD_SUCCESS;
 403 }
 404
 405 DEFPY (show_pbr,
 406         show_pbr_cmd,
 407         "show pbr",
 408         SHOW_STR
 409         PBR_STR)
 410 {
 411         pbr_nht_write_table_range(vty);
 412         pbr_nht_write_rule_range(vty);
 413
 414         return CMD_SUCCESS;
 415 }
 416
 417 DEFPY (show_pbr_map,
 418         show_pbr_map_cmd,
 419         "show pbr map [NAME$name] [detail$detail]",
 420         SHOW_STR
 421         PBR_STR
 422         "PBR Map\n"
 423         "PBR Map Name\n"
 424         "Detailed information\n")
 425 {
 426         struct pbr_map_sequence *pbrms;
 427         struct pbr_map *pbrm;
 428         struct listnode *node;
 429         char buf[PREFIX_STRLEN];
 430         char rbuf[64];
 431
 432         RB_FOREACH (pbrm, pbr_map_entry_head, &pbr_maps) {
 433                 if (name && strcmp(name, pbrm->name) != 0)
 434                         continue;
 435
 436                 vty_out(vty, "  pbr-map %s valid: %d\n", pbrm->name,
 437                         pbrm->valid);
 438
 439                 for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, node, pbrms)) {
 440                         if (pbrms->reason)
 441                                 pbr_map_reason_string(pbrms->reason, rbuf,
 442                                                       sizeof(rbuf));
 443                         vty_out(vty,
 444                                 "    Seq: %u rule: %u Installed: %" PRIu64 "(%u) Reason: %s\n",
 445                                 pbrms->seqno, pbrms->ruleno, pbrms->installed,
 446                                 pbrms->unique, pbrms->reason ? rbuf : "Valid");
 447
 448                         if (pbrms->src)
 449                                 vty_out(vty, "\tSRC Match: %s\n",
 450                                         prefix2str(pbrms->src, buf,
 451                                                    sizeof(buf)));
 452                         if (pbrms->dst)
 453                                 vty_out(vty, "\tDST Match: %s\n",
 454                                         prefix2str(pbrms->dst, buf,
 455                                                    sizeof(buf)));
 456
 457                         if (pbrms->nhgrp_name) {
 458                                 vty_out(vty,
 459                                         "\tNexthop-Group: %s(%u) Installed: %u(%d)\n",
 460                                         pbrms->nhgrp_name,
 461                                         pbr_nht_get_table(pbrms->nhgrp_name),
 462                                         pbrms->nhs_installed,
 463                                         pbr_nht_get_installed(
 464                                                 pbrms->nhgrp_name));
 465                         } else if (pbrms->nhg) {
 466                                 vty_out(vty, "     ");
 467                                 nexthop_group_write_nexthop(
 468                                         vty, pbrms->nhg->nexthop);
 469                                 vty_out(vty,
 470                                         "\tInstalled: %u(%d) Tableid: %d\n",
 471                                         pbrms->nhs_installed,
 472                                         pbr_nht_get_installed(
 473                                                 pbrms->internal_nhg_name),
 474                                         pbr_nht_get_table(
 475                                                 pbrms->internal_nhg_name));
 476                         } else {
 477                                 vty_out(vty,
 478                                         "\tNexthop-Group: Unknown Installed: 0(0)\n");
 479                         }
 480                 }
 481         }
 482         return CMD_SUCCESS;
 483 }
 484
 485 DEFPY(show_pbr_nexthop_group,
 486       show_pbr_nexthop_group_cmd,
 487       "show pbr nexthop-groups [WORD$word]",
 488       SHOW_STR
 489       PBR_STR
 490       "Nexthop Groups\n"
 491       "Optional Name of the nexthop group\n")
 492 {
 493         pbr_nht_show_nexthop_group(vty, word);
 494
 495         return CMD_SUCCESS;
 496 }
 497
 498 DEFPY (show_pbr_interface,
 499         show_pbr_interface_cmd,
 500         "show pbr interface [NAME$name]",
 501         SHOW_STR
 502         PBR_STR
 503         "PBR Interface\n"
 504         "PBR Interface Name\n")
 505 {
 506         struct interface *ifp;
 507         struct vrf *vrf;
 508         struct pbr_interface *pbr_ifp;
 509
 510         RB_FOREACH(vrf, vrf_name_head, &vrfs_by_name) {
 511                 FOR_ALL_INTERFACES(vrf, ifp) {
 512                         struct pbr_map *pbrm;
 513
 514                         if (!ifp->info)
 515                                 continue;
 516
 517                         if (name && strcmp(ifp->name, name) != 0)
 518                                 continue;
 519
 520                         pbr_ifp = ifp->info;
 521
 522                         if (strcmp(pbr_ifp->mapname, "") == 0)
 523                                 continue;
 524
 525                         pbrm = pbrm_find(pbr_ifp->mapname);
 526                         vty_out(vty, "  %s(%d) with pbr-policy %s", ifp->name,
 527                                 ifp->ifindex, pbr_ifp->mapname);
 528                         if (!pbrm)
 529                                 vty_out(vty, " (map doesn't exist)");
 530                         vty_out(vty, "\n");
 531                 }
 532         }
 533
 534         return CMD_SUCCESS;
 535 }
 536
 537 /* PBR debugging CLI ------------------------------------------------------- */
 538
 539 static struct cmd_node debug_node = {DEBUG_NODE, "", 1};
 540
 541 DEFPY(debug_pbr,
 542       debug_pbr_cmd,
 543       "[no] debug pbr [{map$map|zebra$zebra|nht$nht|events$events}]",
 544       NO_STR
 545       DEBUG_STR
 546       PBR_STR
 547       "Policy maps\n"
 548       "PBRD <-> Zebra communications\n"
 549       "Nexthop tracking\n"
 550       "Events\n")
 551 {
 552         uint32_t mode = DEBUG_NODE2MODE(vty->node);
 553
 554         if (map)
 555                 DEBUG_MODE_SET(&pbr_dbg_map, mode, !no);
 556         if (zebra)
 557                 DEBUG_MODE_SET(&pbr_dbg_zebra, mode, !no);
 558         if (nht)
 559                 DEBUG_MODE_SET(&pbr_dbg_nht, mode, !no);
 560         if (events)
 561                 DEBUG_MODE_SET(&pbr_dbg_event, mode, !no);
 562
 563         /* no specific debug --> act on all of them */
 564         if (strmatch(argv[argc - 1]->text, "pbr"))
 565                 pbr_debug_set_all(mode, !no);
 566
 567         return CMD_SUCCESS;
 568 }
 569
 570 DEFUN_NOSH(show_debugging_pbr,
 571            show_debugging_pbr_cmd,
 572            "show debugging [pbr]",
 573            SHOW_STR
 574            DEBUG_STR
 575            PBR_STR)
 576 {
 577         vty_out(vty, "PBR debugging status:\n");
 578
 579         pbr_debug_config_write_helper(vty, false);
 580
 581         return CMD_SUCCESS;
 582 }
 583
 584 /* ------------------------------------------------------------------------- */
 585
 586
 587 static struct cmd_node interface_node = {
 588         INTERFACE_NODE, "%s(config-if)# ", 1 /* vtysh ? yes */
 589 };
 590
 591 static int pbr_interface_config_write(struct vty *vty)
 592 {
 593         struct interface *ifp;
 594         struct vrf *vrf;
 595
 596         RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
 597                 FOR_ALL_INTERFACES (vrf, ifp) {
 598                         if (vrf->vrf_id == VRF_DEFAULT)
 599                                 vty_frame(vty, "interface %s\n", ifp->name);
 600                         else
 601                                 vty_frame(vty, "interface %s vrf %s\n",
 602                                           ifp->name, vrf->name);
 603
 604                         if (ifp->desc)
 605                                 vty_out(vty, " description %s\n", ifp->desc);
 606
 607                         pbr_map_write_interfaces(vty, ifp);
 608
 609                         vty_endframe(vty, "!\n");
 610                 }
 611         }
 612
 613         return 1;
 614 }
 615
 616 /* PBR map node structure. */
 617 static struct cmd_node pbr_map_node = {PBRMAP_NODE, "%s(config-pbr-map)# ", 1};
 618
 619 static int pbr_vty_map_config_write_sequence(struct vty *vty,
 620                                              struct pbr_map *pbrm,
 621                                              struct pbr_map_sequence *pbrms)
 622 {
 623         char buff[PREFIX_STRLEN];
 624
 625         vty_out(vty, "pbr-map %s seq %u\n", pbrm->name, pbrms->seqno);
 626
 627         if (pbrms->src)
 628                 vty_out(vty, " match src-ip %s\n",
 629                         prefix2str(pbrms->src, buff, sizeof(buff)));
 630
 631         if (pbrms->dst)
 632                 vty_out(vty, " match dst-ip %s\n",
 633                         prefix2str(pbrms->dst, buff, sizeof(buff)));
 634
 635         if (pbrms->nhgrp_name)
 636                 vty_out(vty, " set nexthop-group %s\n", pbrms->nhgrp_name);
 637
 638         if (pbrms->nhg) {
 639                 vty_out(vty, " set ");
 640                 nexthop_group_write_nexthop(vty, pbrms->nhg->nexthop);
 641         }
 642
 643         vty_out(vty, "!\n");
 644         return 1;
 645 }
 646
 647 static int pbr_vty_map_config_write(struct vty *vty)
 648 {
 649         struct pbr_map *pbrm;
 650
 651         pbr_nht_write_table_range(vty);
 652         pbr_nht_write_rule_range(vty);
 653
 654         RB_FOREACH(pbrm, pbr_map_entry_head, &pbr_maps) {
 655                 struct pbr_map_sequence *pbrms;
 656                 struct listnode *node;
 657
 658                 for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, node, pbrms))
 659                         pbr_vty_map_config_write_sequence(vty, pbrm, pbrms);
 660         }
 661
 662         return 1;
 663 }
 664
 665 static void pbr_map_completer(vector comps, struct cmd_token *token)
 666 {
 667         struct pbr_map *pbrm;
 668
 669         RB_FOREACH (pbrm, pbr_map_entry_head, &pbr_maps)
 670                 vector_set(comps, XSTRDUP(MTYPE_COMPLETION, pbrm->name));
 671 }
 672
 673 static const struct cmd_variable_handler pbr_map_name[] = {
 674         {
 675                 .tokenname = "PBRMAP", .completions = pbr_map_completer,
 676         },
 677         {
 678                 .completions = NULL
 679         }
 680 };
 681
 682 void pbr_vty_init(void)
 683 {
 684         cmd_variable_handler_register(pbr_map_name);
 685
 686         install_node(&interface_node,
 687                      pbr_interface_config_write);
 688         if_cmd_init();
 689
 690         install_node(&pbr_map_node,
 691                      pbr_vty_map_config_write);
 692
 693         /* debug */
 694         install_node(&debug_node, pbr_debug_config_write);
 695         install_element(VIEW_NODE, &debug_pbr_cmd);
 696         install_element(CONFIG_NODE, &debug_pbr_cmd);
 697         install_element(VIEW_NODE, &show_debugging_pbr_cmd);
 698
 699         install_default(PBRMAP_NODE);
 700
 701         install_element(CONFIG_NODE, &pbr_map_cmd);
 702         install_element(CONFIG_NODE, &no_pbr_map_cmd);
 703         install_element(CONFIG_NODE, &pbr_set_table_range_cmd);
 704         install_element(INTERFACE_NODE, &pbr_policy_cmd);
 705         install_element(PBRMAP_NODE, &pbr_map_match_src_cmd);
 706         install_element(PBRMAP_NODE, &pbr_map_match_dst_cmd);
 707         install_element(PBRMAP_NODE, &pbr_map_nexthop_group_cmd);
 708         install_element(PBRMAP_NODE, &pbr_map_nexthop_cmd);
 709         install_element(VIEW_NODE, &show_pbr_cmd);
 710         install_element(VIEW_NODE, &show_pbr_map_cmd);
 711         install_element(VIEW_NODE, &show_pbr_interface_cmd);
 712         install_element(VIEW_NODE, &show_pbr_nexthop_group_cmd);
 713 }