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_match_mark, pbr_map_match_mark_cmd,
 176         "[no] match mark (1-4294967295)$mark",
 177         NO_STR
 178         "Match the rest of the command\n"
 179         "Choose the mark value to use\n"
 180         "mark\n")
 181 {
 182         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 183
 184 #ifndef GNU_LINUX
 185         vty_out(vty, "pbr marks are not supported on this platform");
 186         return CMD_WARNING_CONFIG_FAILED;
 187 #endif
 188
 189         if (!no) {
 190                 if (pbrms->mark == (uint32_t) mark)
 191                         return CMD_SUCCESS;
 192                 pbrms->mark = (uint32_t) mark;
 193         } else {
 194                 pbrms->mark = 0;
 195         }
 196
 197         pbr_map_check(pbrms);
 198
 199         return CMD_SUCCESS;
 200  }
 201
 202 DEFPY(pbr_map_nexthop_group, pbr_map_nexthop_group_cmd,
 203         "[no] set nexthop-group NHGNAME$name",
 204         NO_STR
 205         "Set for the PBR-MAP\n"
 206         "nexthop-group to use\n"
 207         "The name of the nexthop-group\n")
 208 {
 209         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 210         struct nexthop_group_cmd *nhgc;
 211
 212         if (pbrms->nhg) {
 213                 vty_out(vty,
 214                         "A `set nexthop XX` command already exists, please remove that first\n");
 215                 return CMD_WARNING_CONFIG_FAILED;
 216         }
 217
 218         nhgc = nhgc_find(name);
 219         if (!nhgc) {
 220                 vty_out(vty, "Specified nexthop-group %s does not exist\n",
 221                         name);
 222                 vty_out(vty, "PBR-MAP will not be applied until it is created\n");
 223         }
 224
 225         if (no) {
 226                 if (pbrms->nhgrp_name && strcmp(name, pbrms->nhgrp_name) == 0)
 227                         pbr_map_delete_nexthop_group(pbrms);
 228                 else {
 229                         vty_out(vty,
 230                                 "Nexthop Group specified: %s does not exist to remove",
 231                                 name);
 232                         return CMD_WARNING_CONFIG_FAILED;
 233                 }
 234         } else {
 235                 if (pbrms->nhgrp_name) {
 236                         if (strcmp(name, pbrms->nhgrp_name) != 0) {
 237                                 vty_out(vty,
 238                                         "Please delete current nexthop group before modifying current one");
 239                                 return CMD_WARNING_CONFIG_FAILED;
 240                         }
 241
 242                         return CMD_SUCCESS;
 243                 }
 244                 pbrms->nhgrp_name = XSTRDUP(MTYPE_TMP, name);
 245                 pbr_map_check(pbrms);
 246         }
 247
 248         return CMD_SUCCESS;
 249 }
 250
 251 DEFPY(pbr_map_nexthop, pbr_map_nexthop_cmd,
 252       "[no] set nexthop\
 253         <\
 254           <A.B.C.D|X:X::X:X>$addr [INTERFACE$intf]\
 255           |INTERFACE$intf\
 256         >\
 257         [nexthop-vrf NAME$vrf_name]",
 258       NO_STR
 259       "Set for the PBR-MAP\n"
 260       "Specify one of the nexthops in this map\n"
 261       "v4 Address\n"
 262       "v6 Address\n"
 263       "Interface to use\n"
 264       "Interface to use\n"
 265       "If the nexthop is in a different vrf tell us\n"
 266       "The nexthop-vrf Name\n")
 267 {
 268         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 269         struct vrf *vrf;
 270         struct nexthop nhop;
 271         struct nexthop *nh;
 272
 273         if (pbrms->nhgrp_name) {
 274                 vty_out(vty,
 275                         "Please unconfigure the nexthop group before adding an individual nexthop");
 276                 return CMD_WARNING_CONFIG_FAILED;
 277         }
 278
 279         if (vrf_name)
 280                 vrf = vrf_lookup_by_name(vrf_name);
 281         else
 282                 vrf = vrf_lookup_by_id(VRF_DEFAULT);
 283
 284         if (!vrf) {
 285                 vty_out(vty, "Specified: %s is non-existent\n", vrf_name);
 286                 return CMD_WARNING_CONFIG_FAILED;
 287         }
 288
 289         memset(&nhop, 0, sizeof(nhop));
 290         nhop.vrf_id = vrf->vrf_id;
 291
 292         if (intf) {
 293                 nhop.ifindex = ifname2ifindex(intf, vrf->vrf_id);
 294                 if (nhop.ifindex == IFINDEX_INTERNAL) {
 295                         vty_out(vty,
 296                                 "Specified Intf %s does not exist in vrf: %s\n",
 297                                 intf, vrf->name);
 298                         return CMD_WARNING_CONFIG_FAILED;
 299                 }
 300         }
 301
 302         if (addr) {
 303                 if (addr->sa.sa_family == AF_INET) {
 304                         nhop.gate.ipv4.s_addr = addr->sin.sin_addr.s_addr;
 305                         if (intf)
 306                                 nhop.type = NEXTHOP_TYPE_IPV4_IFINDEX;
 307                         else
 308                                 nhop.type = NEXTHOP_TYPE_IPV4;
 309                 } else {
 310                         nhop.gate.ipv6 = addr->sin6.sin6_addr;
 311                         if (intf)
 312                                 nhop.type = NEXTHOP_TYPE_IPV6_IFINDEX;
 313                         else {
 314                                 if (IN6_IS_ADDR_LINKLOCAL(&nhop.gate.ipv6)) {
 315                                         vty_out(vty,
 316                                                 "Specified a v6 LL with no interface, rejecting\n");
 317                                         return CMD_WARNING_CONFIG_FAILED;
 318                                 }
 319                                 nhop.type = NEXTHOP_TYPE_IPV6;
 320                         }
 321                 }
 322         } else
 323                 nhop.type = NEXTHOP_TYPE_IFINDEX;
 324
 325         if (pbrms->nhg)
 326                 nh = nexthop_exists(pbrms->nhg, &nhop);
 327         else {
 328                 char buf[PBR_NHC_NAMELEN];
 329
 330                 if (no) {
 331                         vty_out(vty, "No nexthops to delete\n");
 332                         return CMD_WARNING_CONFIG_FAILED;
 333                 }
 334
 335                 pbrms->nhg = nexthop_group_new();
 336                 pbrms->internal_nhg_name =
 337                         XSTRDUP(MTYPE_TMP,
 338                                 pbr_nht_nexthop_make_name(pbrms->parent->name,
 339                                                           PBR_NHC_NAMELEN,
 340                                                           pbrms->seqno,
 341                                                           buf));
 342                 nh = NULL;
 343         }
 344
 345         if (no) {
 346                 if (nh)
 347                         pbr_nht_delete_individual_nexthop(pbrms);
 348         } else if (!nh) {
 349
 350                 if (pbrms->nhg->nexthop) {
 351                         vty_out(vty,
 352                                 "If you would like more than one nexthop please use nexthop-groups");
 353                         return CMD_WARNING_CONFIG_FAILED;
 354                 }
 355
 356                 /* must be adding new nexthop since !no and !nexthop_exists */
 357                 nh = nexthop_new();
 358
 359                 memcpy(nh, &nhop, sizeof(nhop));
 360                 _nexthop_add(&pbrms->nhg->nexthop, nh);
 361
 362                 pbr_nht_add_individual_nexthop(pbrms);
 363                 pbr_map_check(pbrms);
 364         }
 365
 366         if (nhop.type == NEXTHOP_TYPE_IFINDEX) {
 367                 struct interface *ifp;
 368
 369                 ifp = if_lookup_by_index(nhop.ifindex, nhop.vrf_id);
 370                 if (ifp)
 371                         pbr_nht_nexthop_interface_update(ifp);
 372         }
 373
 374         return CMD_SUCCESS;
 375 }
 376
 377 DEFPY (pbr_policy,
 378         pbr_policy_cmd,
 379         "[no] pbr-policy PBRMAP$mapname",
 380         NO_STR
 381         "Policy to use\n"
 382         "Name of the pbr-map to apply\n")
 383 {
 384         VTY_DECLVAR_CONTEXT(interface, ifp);
 385         struct pbr_map *pbrm, *old_pbrm;
 386         struct pbr_interface *pbr_ifp = ifp->info;
 387
 388         old_pbrm = NULL;
 389         pbrm = pbrm_find(mapname);
 390
 391         if (!pbr_ifp) {
 392                 /* we don't want one and we don't have one, so... */
 393                 if (no)
 394                         return CMD_SUCCESS;
 395
 396                 /* Some one could have fat fingered the interface name */
 397                 pbr_ifp = pbr_if_new(ifp);
 398         }
 399
 400         if (no) {
 401                 if (strcmp(pbr_ifp->mapname, mapname) == 0) {
 402                         pbr_ifp->mapname[0] = '\0';
 403                         if (pbrm)
 404                                 pbr_map_interface_delete(pbrm, ifp);
 405                 }
 406         } else {
 407                 if (strcmp(pbr_ifp->mapname, "") != 0) {
 408                         old_pbrm = pbrm_find(pbr_ifp->mapname);
 409
 410                         /*
 411                          * So if we have an old pbrm we should only
 412                          * delete it if we are actually deleting and
 413                          * moving to a new pbrm
 414                          */
 415                         if (old_pbrm && old_pbrm != pbrm)
 416                                 pbr_map_interface_delete(old_pbrm, ifp);
 417                 }
 418                 snprintf(pbr_ifp->mapname, sizeof(pbr_ifp->mapname),
 419                          "%s", mapname);
 420
 421                 /*
 422                  * So only reinstall if the old_pbrm and this pbrm are
 423                  * different.
 424                  */
 425                 if (pbrm && pbrm != old_pbrm)
 426                         pbr_map_add_interface(pbrm, ifp);
 427         }
 428
 429         return CMD_SUCCESS;
 430 }
 431
 432 DEFPY (show_pbr,
 433         show_pbr_cmd,
 434         "show pbr",
 435         SHOW_STR
 436         PBR_STR)
 437 {
 438         pbr_nht_write_table_range(vty);
 439         pbr_nht_write_rule_range(vty);
 440
 441         return CMD_SUCCESS;
 442 }
 443
 444 DEFPY (show_pbr_map,
 445         show_pbr_map_cmd,
 446         "show pbr map [NAME$name] [detail$detail]",
 447         SHOW_STR
 448         PBR_STR
 449         "PBR Map\n"
 450         "PBR Map Name\n"
 451         "Detailed information\n")
 452 {
 453         struct pbr_map_sequence *pbrms;
 454         struct pbr_map *pbrm;
 455         struct listnode *node;
 456         char buf[PREFIX_STRLEN];
 457         char rbuf[64];
 458
 459         RB_FOREACH (pbrm, pbr_map_entry_head, &pbr_maps) {
 460                 if (name && strcmp(name, pbrm->name) != 0)
 461                         continue;
 462
 463                 vty_out(vty, "  pbr-map %s valid: %d\n", pbrm->name,
 464                         pbrm->valid);
 465
 466                 for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, node, pbrms)) {
 467                         if (pbrms->reason)
 468                                 pbr_map_reason_string(pbrms->reason, rbuf,
 469                                                       sizeof(rbuf));
 470                         vty_out(vty,
 471                                 "    Seq: %u rule: %u Installed: %" PRIu64 "(%u) Reason: %s\n",
 472                                 pbrms->seqno, pbrms->ruleno, pbrms->installed,
 473                                 pbrms->unique, pbrms->reason ? rbuf : "Valid");
 474
 475                         if (pbrms->src)
 476                                 vty_out(vty, "\tSRC Match: %s\n",
 477                                         prefix2str(pbrms->src, buf,
 478                                                    sizeof(buf)));
 479                         if (pbrms->dst)
 480                                 vty_out(vty, "\tDST Match: %s\n",
 481                                         prefix2str(pbrms->dst, buf,
 482                                                    sizeof(buf)));
 483                         if (pbrms->mark)
 484                                 vty_out(vty, "\tMARK Match: %u\n", pbrms->mark);
 485
 486                         if (pbrms->nhgrp_name) {
 487                                 vty_out(vty,
 488                                         "\tNexthop-Group: %s(%u) Installed: %u(%d)\n",
 489                                         pbrms->nhgrp_name,
 490                                         pbr_nht_get_table(pbrms->nhgrp_name),
 491                                         pbrms->nhs_installed,
 492                                         pbr_nht_get_installed(
 493                                                 pbrms->nhgrp_name));
 494                         } else if (pbrms->nhg) {
 495                                 vty_out(vty, "     ");
 496                                 nexthop_group_write_nexthop(
 497                                         vty, pbrms->nhg->nexthop);
 498                                 vty_out(vty,
 499                                         "\tInstalled: %u(%d) Tableid: %d\n",
 500                                         pbrms->nhs_installed,
 501                                         pbr_nht_get_installed(
 502                                                 pbrms->internal_nhg_name),
 503                                         pbr_nht_get_table(
 504                                                 pbrms->internal_nhg_name));
 505                         } else {
 506                                 vty_out(vty,
 507                                         "\tNexthop-Group: Unknown Installed: 0(0)\n");
 508                         }
 509                 }
 510         }
 511         return CMD_SUCCESS;
 512 }
 513
 514 DEFPY(show_pbr_nexthop_group,
 515       show_pbr_nexthop_group_cmd,
 516       "show pbr nexthop-groups [WORD$word]",
 517       SHOW_STR
 518       PBR_STR
 519       "Nexthop Groups\n"
 520       "Optional Name of the nexthop group\n")
 521 {
 522         pbr_nht_show_nexthop_group(vty, word);
 523
 524         return CMD_SUCCESS;
 525 }
 526
 527 DEFPY (show_pbr_interface,
 528         show_pbr_interface_cmd,
 529         "show pbr interface [NAME$name]",
 530         SHOW_STR
 531         PBR_STR
 532         "PBR Interface\n"
 533         "PBR Interface Name\n")
 534 {
 535         struct interface *ifp;
 536         struct vrf *vrf;
 537         struct pbr_interface *pbr_ifp;
 538
 539         RB_FOREACH(vrf, vrf_name_head, &vrfs_by_name) {
 540                 FOR_ALL_INTERFACES(vrf, ifp) {
 541                         struct pbr_map *pbrm;
 542
 543                         if (!ifp->info)
 544                                 continue;
 545
 546                         if (name && strcmp(ifp->name, name) != 0)
 547                                 continue;
 548
 549                         pbr_ifp = ifp->info;
 550
 551                         if (strcmp(pbr_ifp->mapname, "") == 0)
 552                                 continue;
 553
 554                         pbrm = pbrm_find(pbr_ifp->mapname);
 555                         vty_out(vty, "  %s(%d) with pbr-policy %s", ifp->name,
 556                                 ifp->ifindex, pbr_ifp->mapname);
 557                         if (!pbrm)
 558                                 vty_out(vty, " (map doesn't exist)");
 559                         vty_out(vty, "\n");
 560                 }
 561         }
 562
 563         return CMD_SUCCESS;
 564 }
 565
 566 /* PBR debugging CLI ------------------------------------------------------- */
 567
 568 static struct cmd_node debug_node = {DEBUG_NODE, "", 1};
 569
 570 DEFPY(debug_pbr,
 571       debug_pbr_cmd,
 572       "[no] debug pbr [{map$map|zebra$zebra|nht$nht|events$events}]",
 573       NO_STR
 574       DEBUG_STR
 575       PBR_STR
 576       "Policy maps\n"
 577       "PBRD <-> Zebra communications\n"
 578       "Nexthop tracking\n"
 579       "Events\n")
 580 {
 581         uint32_t mode = DEBUG_NODE2MODE(vty->node);
 582
 583         if (map)
 584                 DEBUG_MODE_SET(&pbr_dbg_map, mode, !no);
 585         if (zebra)
 586                 DEBUG_MODE_SET(&pbr_dbg_zebra, mode, !no);
 587         if (nht)
 588                 DEBUG_MODE_SET(&pbr_dbg_nht, mode, !no);
 589         if (events)
 590                 DEBUG_MODE_SET(&pbr_dbg_event, mode, !no);
 591
 592         /* no specific debug --> act on all of them */
 593         if (strmatch(argv[argc - 1]->text, "pbr"))
 594                 pbr_debug_set_all(mode, !no);
 595
 596         return CMD_SUCCESS;
 597 }
 598
 599 DEFUN_NOSH(show_debugging_pbr,
 600            show_debugging_pbr_cmd,
 601            "show debugging [pbr]",
 602            SHOW_STR
 603            DEBUG_STR
 604            PBR_STR)
 605 {
 606         vty_out(vty, "PBR debugging status:\n");
 607
 608         pbr_debug_config_write_helper(vty, false);
 609
 610         return CMD_SUCCESS;
 611 }
 612
 613 /* ------------------------------------------------------------------------- */
 614
 615
 616 static struct cmd_node interface_node = {
 617         INTERFACE_NODE, "%s(config-if)# ", 1 /* vtysh ? yes */
 618 };
 619
 620 static int pbr_interface_config_write(struct vty *vty)
 621 {
 622         struct interface *ifp;
 623         struct vrf *vrf;
 624
 625         RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
 626                 FOR_ALL_INTERFACES (vrf, ifp) {
 627                         if (vrf->vrf_id == VRF_DEFAULT)
 628                                 vty_frame(vty, "interface %s\n", ifp->name);
 629                         else
 630                                 vty_frame(vty, "interface %s vrf %s\n",
 631                                           ifp->name, vrf->name);
 632
 633                         if (ifp->desc)
 634                                 vty_out(vty, " description %s\n", ifp->desc);
 635
 636                         pbr_map_write_interfaces(vty, ifp);
 637
 638                         vty_endframe(vty, "!\n");
 639                 }
 640         }
 641
 642         return 1;
 643 }
 644
 645 /* PBR map node structure. */
 646 static struct cmd_node pbr_map_node = {PBRMAP_NODE, "%s(config-pbr-map)# ", 1};
 647
 648 static int pbr_vty_map_config_write_sequence(struct vty *vty,
 649                                              struct pbr_map *pbrm,
 650                                              struct pbr_map_sequence *pbrms)
 651 {
 652         char buff[PREFIX_STRLEN];
 653
 654         vty_out(vty, "pbr-map %s seq %u\n", pbrm->name, pbrms->seqno);
 655
 656         if (pbrms->src)
 657                 vty_out(vty, " match src-ip %s\n",
 658                         prefix2str(pbrms->src, buff, sizeof(buff)));
 659
 660         if (pbrms->dst)
 661                 vty_out(vty, " match dst-ip %s\n",
 662                         prefix2str(pbrms->dst, buff, sizeof(buff)));
 663
 664         if (pbrms->mark)
 665                 vty_out(vty, " match mark %u\n", pbrms->mark);
 666
 667         if (pbrms->nhgrp_name)
 668                 vty_out(vty, " set nexthop-group %s\n", pbrms->nhgrp_name);
 669
 670         if (pbrms->nhg) {
 671                 vty_out(vty, " set ");
 672                 nexthop_group_write_nexthop(vty, pbrms->nhg->nexthop);
 673         }
 674
 675         vty_out(vty, "!\n");
 676         return 1;
 677 }
 678
 679 static int pbr_vty_map_config_write(struct vty *vty)
 680 {
 681         struct pbr_map *pbrm;
 682
 683         pbr_nht_write_table_range(vty);
 684         pbr_nht_write_rule_range(vty);
 685
 686         RB_FOREACH(pbrm, pbr_map_entry_head, &pbr_maps) {
 687                 struct pbr_map_sequence *pbrms;
 688                 struct listnode *node;
 689
 690                 for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, node, pbrms))
 691                         pbr_vty_map_config_write_sequence(vty, pbrm, pbrms);
 692         }
 693
 694         return 1;
 695 }
 696
 697 static void pbr_map_completer(vector comps, struct cmd_token *token)
 698 {
 699         struct pbr_map *pbrm;
 700
 701         RB_FOREACH (pbrm, pbr_map_entry_head, &pbr_maps)
 702                 vector_set(comps, XSTRDUP(MTYPE_COMPLETION, pbrm->name));
 703 }
 704
 705 static const struct cmd_variable_handler pbr_map_name[] = {
 706         {
 707                 .tokenname = "PBRMAP", .completions = pbr_map_completer,
 708         },
 709         {
 710                 .completions = NULL
 711         }
 712 };
 713
 714 void pbr_vty_init(void)
 715 {
 716         cmd_variable_handler_register(pbr_map_name);
 717
 718         install_node(&interface_node,
 719                      pbr_interface_config_write);
 720         if_cmd_init();
 721
 722         install_node(&pbr_map_node,
 723                      pbr_vty_map_config_write);
 724
 725         /* debug */
 726         install_node(&debug_node, pbr_debug_config_write);
 727         install_element(VIEW_NODE, &debug_pbr_cmd);
 728         install_element(CONFIG_NODE, &debug_pbr_cmd);
 729         install_element(VIEW_NODE, &show_debugging_pbr_cmd);
 730
 731         install_default(PBRMAP_NODE);
 732
 733         install_element(CONFIG_NODE, &pbr_map_cmd);
 734         install_element(CONFIG_NODE, &no_pbr_map_cmd);
 735         install_element(CONFIG_NODE, &pbr_set_table_range_cmd);
 736         install_element(INTERFACE_NODE, &pbr_policy_cmd);
 737         install_element(PBRMAP_NODE, &pbr_map_match_src_cmd);
 738         install_element(PBRMAP_NODE, &pbr_map_match_dst_cmd);
 739         install_element(PBRMAP_NODE, &pbr_map_match_mark_cmd);
 740         install_element(PBRMAP_NODE, &pbr_map_nexthop_group_cmd);
 741         install_element(PBRMAP_NODE, &pbr_map_nexthop_cmd);
 742         install_element(VIEW_NODE, &show_pbr_cmd);
 743         install_element(VIEW_NODE, &show_pbr_map_cmd);
 744         install_element(VIEW_NODE, &show_pbr_interface_cmd);
 745         install_element(VIEW_NODE, &show_pbr_nexthop_group_cmd);
 746 }