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>$prefix",
 119         NO_STR
 120         "Match the rest of the command\n"
 121         "Choose the src ip or ipv6 prefix to use\n"
 122         "v4 Prefix\n"
 123         "v6 Prefix\n")
 124 {
 125         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 126
 127         pbrms->family = prefix->family;
 128
 129         if (!no) {
 130                 if (pbrms->src) {
 131                         if (prefix_same(pbrms->src, prefix))
 132                                 return CMD_SUCCESS;
 133
 134                         vty_out(vty,
 135                                 "A `match src-ip XX` command already exists, please remove that first\n");
 136                         return CMD_WARNING_CONFIG_FAILED;
 137                 }
 138
 139                 pbrms->src = prefix_new();
 140                 prefix_copy(pbrms->src, prefix);
 141         } else
 142                 prefix_free(&pbrms->src);
 143
 144         pbr_map_check(pbrms);
 145
 146         return CMD_SUCCESS;
 147 }
 148
 149 DEFPY(pbr_map_match_dst, pbr_map_match_dst_cmd,
 150         "[no] match dst-ip <A.B.C.D/M|X:X::X:X/M>$prefix",
 151         NO_STR
 152         "Match the rest of the command\n"
 153         "Choose the dst ip or ipv6 prefix to use\n"
 154         "v4 Prefix\n"
 155         "v6 Prefix\n")
 156 {
 157         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 158
 159         pbrms->family = prefix->family;
 160
 161         if (!no) {
 162                 if (pbrms->dst) {
 163                         if (prefix_same(pbrms->dst, prefix))
 164                                 return CMD_SUCCESS;
 165
 166                         vty_out(vty,
 167                                 "A `match dst-ip XX` command already exists, please remove that first\n");
 168                         return CMD_WARNING_CONFIG_FAILED;
 169                 }
 170
 171                 pbrms->dst = prefix_new();
 172                 prefix_copy(pbrms->dst, prefix);
 173         } else
 174                 prefix_free(&pbrms->dst);
 175
 176         pbr_map_check(pbrms);
 177
 178         return CMD_SUCCESS;
 179 }
 180
 181 DEFPY(pbr_map_match_mark, pbr_map_match_mark_cmd,
 182         "[no] match mark (1-4294967295)$mark",
 183         NO_STR
 184         "Match the rest of the command\n"
 185         "Choose the mark value to use\n"
 186         "mark\n")
 187 {
 188         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 189
 190 #ifndef GNU_LINUX
 191         vty_out(vty, "pbr marks are not supported on this platform");
 192         return CMD_WARNING_CONFIG_FAILED;
 193 #endif
 194
 195         if (!no) {
 196                 if (pbrms->mark) {
 197                         if (pbrms->mark == (uint32_t)mark)
 198                                 return CMD_SUCCESS;
 199
 200                         vty_out(vty,
 201                                 "A `match mark XX` command already exists, please remove that first\n");
 202                         return CMD_WARNING_CONFIG_FAILED;
 203                 }
 204
 205                 pbrms->mark = (uint32_t)mark;
 206         } else
 207                 pbrms->mark = 0;
 208
 209         pbr_map_check(pbrms);
 210
 211         return CMD_SUCCESS;
 212 }
 213
 214 #define SET_VRF_EXISTS_STR                                                     \
 215         "A `set vrf XX` command already exists, please remove that first\n"
 216
 217 DEFPY(pbr_map_nexthop_group, pbr_map_nexthop_group_cmd,
 218       "[no] set nexthop-group NHGNAME$name",
 219       NO_STR
 220       "Set for the PBR-MAP\n"
 221       "nexthop-group to use\n"
 222       "The name of the nexthop-group\n")
 223 {
 224         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 225         struct nexthop_group_cmd *nhgc;
 226
 227         if (pbrms->nhg) {
 228                 vty_out(vty,
 229                         "A `set nexthop XX` command already exists, please remove that first\n");
 230                 return CMD_WARNING_CONFIG_FAILED;
 231         }
 232
 233         if (pbrms->vrf_lookup || pbrms->vrf_unchanged) {
 234                 vty_out(vty, SET_VRF_EXISTS_STR);
 235                 return CMD_WARNING_CONFIG_FAILED;
 236         }
 237
 238         nhgc = nhgc_find(name);
 239         if (!nhgc) {
 240                 vty_out(vty, "Specified nexthop-group %s does not exist\n",
 241                         name);
 242                 vty_out(vty,
 243                         "PBR-MAP will not be applied until it is created\n");
 244         }
 245
 246         if (no) {
 247                 if (pbrms->nhgrp_name && strcmp(name, pbrms->nhgrp_name) == 0)
 248                         pbr_map_delete_nexthops(pbrms);
 249                 else {
 250                         vty_out(vty,
 251                                 "Nexthop Group specified: %s does not exist to remove\n",
 252                                 name);
 253                         return CMD_WARNING_CONFIG_FAILED;
 254                 }
 255         } else {
 256                 if (pbrms->nhgrp_name) {
 257                         if (strcmp(name, pbrms->nhgrp_name) != 0) {
 258                                 vty_out(vty,
 259                                         "Please delete current nexthop group before modifying current one\n");
 260                                 return CMD_WARNING_CONFIG_FAILED;
 261                         }
 262
 263                         return CMD_SUCCESS;
 264                 }
 265                 pbrms->nhgrp_name = XSTRDUP(MTYPE_TMP, name);
 266                 pbr_map_check(pbrms);
 267         }
 268
 269         return CMD_SUCCESS;
 270 }
 271
 272 DEFPY(pbr_map_nexthop, pbr_map_nexthop_cmd,
 273       "[no] set nexthop\
 274         <\
 275           <A.B.C.D|X:X::X:X>$addr [INTERFACE$intf]\
 276           |INTERFACE$intf\
 277         >\
 278         [nexthop-vrf NAME$vrf_name]",
 279       NO_STR
 280       "Set for the PBR-MAP\n"
 281       "Specify one of the nexthops in this map\n"
 282       "v4 Address\n"
 283       "v6 Address\n"
 284       "Interface to use\n"
 285       "Interface to use\n"
 286       "If the nexthop is in a different vrf tell us\n"
 287       "The nexthop-vrf Name\n")
 288 {
 289         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 290         struct vrf *vrf;
 291         struct nexthop nhop;
 292         struct nexthop *nh;
 293
 294         if (pbrms->nhgrp_name) {
 295                 vty_out(vty,
 296                         "Please unconfigure the nexthop group before adding an individual nexthop\n");
 297                 return CMD_WARNING_CONFIG_FAILED;
 298         }
 299
 300         if (pbrms->vrf_lookup || pbrms->vrf_unchanged) {
 301                 vty_out(vty, SET_VRF_EXISTS_STR);
 302                 return CMD_WARNING_CONFIG_FAILED;
 303         }
 304
 305         if (vrf_name)
 306                 vrf = vrf_lookup_by_name(vrf_name);
 307         else
 308                 vrf = vrf_lookup_by_id(VRF_DEFAULT);
 309
 310         if (!vrf) {
 311                 vty_out(vty, "Specified: %s is non-existent\n", vrf_name);
 312                 return CMD_WARNING_CONFIG_FAILED;
 313         }
 314
 315         memset(&nhop, 0, sizeof(nhop));
 316         nhop.vrf_id = vrf->vrf_id;
 317
 318         if (intf) {
 319                 nhop.ifindex = ifname2ifindex(intf, vrf->vrf_id);
 320                 if (nhop.ifindex == IFINDEX_INTERNAL) {
 321                         vty_out(vty,
 322                                 "Specified Intf %s does not exist in vrf: %s\n",
 323                                 intf, vrf->name);
 324                         return CMD_WARNING_CONFIG_FAILED;
 325                 }
 326         }
 327
 328         if (addr) {
 329                 if (addr->sa.sa_family == AF_INET) {
 330                         nhop.gate.ipv4.s_addr = addr->sin.sin_addr.s_addr;
 331                         if (intf)
 332                                 nhop.type = NEXTHOP_TYPE_IPV4_IFINDEX;
 333                         else
 334                                 nhop.type = NEXTHOP_TYPE_IPV4;
 335                 } else {
 336                         nhop.gate.ipv6 = addr->sin6.sin6_addr;
 337                         if (intf)
 338                                 nhop.type = NEXTHOP_TYPE_IPV6_IFINDEX;
 339                         else {
 340                                 if (IN6_IS_ADDR_LINKLOCAL(&nhop.gate.ipv6)) {
 341                                         vty_out(vty,
 342                                                 "Specified a v6 LL with no interface, rejecting\n");
 343                                         return CMD_WARNING_CONFIG_FAILED;
 344                                 }
 345                                 nhop.type = NEXTHOP_TYPE_IPV6;
 346                         }
 347                 }
 348         } else
 349                 nhop.type = NEXTHOP_TYPE_IFINDEX;
 350
 351         if (pbrms->nhg)
 352                 nh = nexthop_exists(pbrms->nhg, &nhop);
 353         else {
 354                 char buf[PBR_NHC_NAMELEN];
 355
 356                 if (no) {
 357                         vty_out(vty, "No nexthops to delete\n");
 358                         return CMD_WARNING_CONFIG_FAILED;
 359                 }
 360
 361                 pbrms->nhg = nexthop_group_new();
 362                 pbrms->internal_nhg_name =
 363                         XSTRDUP(MTYPE_TMP,
 364                                 pbr_nht_nexthop_make_name(pbrms->parent->name,
 365                                                           PBR_NHC_NAMELEN,
 366                                                           pbrms->seqno,
 367                                                           buf));
 368                 nh = NULL;
 369         }
 370
 371         if (no) {
 372                 if (nh)
 373                         pbr_nht_delete_individual_nexthop(pbrms);
 374         } else if (!nh) {
 375
 376                 if (pbrms->nhg->nexthop) {
 377                         vty_out(vty,
 378                                 "If you would like more than one nexthop please use nexthop-groups\n");
 379                         return CMD_WARNING_CONFIG_FAILED;
 380                 }
 381
 382                 /* must be adding new nexthop since !no and !nexthop_exists */
 383                 nh = nexthop_new();
 384
 385                 memcpy(nh, &nhop, sizeof(nhop));
 386                 _nexthop_add(&pbrms->nhg->nexthop, nh);
 387
 388                 pbr_nht_add_individual_nexthop(pbrms);
 389                 pbr_map_check(pbrms);
 390         }
 391
 392         if (nhop.type == NEXTHOP_TYPE_IFINDEX
 393             || (nhop.type == NEXTHOP_TYPE_IPV6_IFINDEX
 394                 && IN6_IS_ADDR_LINKLOCAL(&nhop.gate.ipv6))) {
 395                 struct interface *ifp;
 396
 397                 ifp = if_lookup_by_index(nhop.ifindex, nhop.vrf_id);
 398                 if (ifp)
 399                         pbr_nht_nexthop_interface_update(ifp);
 400         }
 401
 402         return CMD_SUCCESS;
 403 }
 404
 405 DEFPY(pbr_map_vrf, pbr_map_vrf_cmd,
 406       "[no] set vrf <NAME$vrf_name|unchanged>",
 407       NO_STR
 408       "Set for the PBR-MAP\n"
 409       "Specify the VRF for this map\n"
 410       "The VRF Name\n"
 411       "Use the interface's VRF for lookup\n")
 412 {
 413         struct pbr_map_sequence *pbrms = VTY_GET_CONTEXT(pbr_map_sequence);
 414         int ret = CMD_SUCCESS;
 415
 416         if (no) {
 417                 pbr_map_delete_vrf(pbrms);
 418
 419                 /* Reset all data */
 420                 pbrms->nhs_installed = false;
 421                 pbrms->vrf_name[0] = '\0';
 422                 pbrms->vrf_lookup = false;
 423                 pbrms->vrf_unchanged = false;
 424
 425                 goto done;
 426         }
 427
 428         if (pbrms->nhgrp_name || pbrms->nhg) {
 429                 vty_out(vty,
 430                         "A `set nexthop/nexthop-group XX` command already exits, please remove that first\n");
 431                 ret = CMD_WARNING_CONFIG_FAILED;
 432                 goto done;
 433         }
 434
 435         if (pbrms->vrf_lookup || pbrms->vrf_unchanged) {
 436                 vty_out(vty, SET_VRF_EXISTS_STR);
 437                 ret = CMD_WARNING_CONFIG_FAILED;
 438                 goto done;
 439         }
 440
 441         if (vrf_name) {
 442                 if (!pbr_vrf_lookup_by_name(vrf_name)) {
 443                         vty_out(vty, "Specified: %s is non-existent\n",
 444                                 vrf_name);
 445                         ret = CMD_WARNING_CONFIG_FAILED;
 446                         goto done;
 447                 }
 448
 449                 pbrms->vrf_lookup = true;
 450                 strlcpy(pbrms->vrf_name, vrf_name, sizeof(pbrms->vrf_name));
 451         } else
 452                 pbrms->vrf_unchanged = true;
 453
 454         pbr_map_check(pbrms);
 455
 456 done:
 457         return ret;
 458 }
 459
 460 DEFPY (pbr_policy,
 461         pbr_policy_cmd,
 462         "[no] pbr-policy PBRMAP$mapname",
 463         NO_STR
 464         "Policy to use\n"
 465         "Name of the pbr-map to apply\n")
 466 {
 467         VTY_DECLVAR_CONTEXT(interface, ifp);
 468         struct pbr_map *pbrm, *old_pbrm;
 469         struct pbr_interface *pbr_ifp = ifp->info;
 470
 471         old_pbrm = NULL;
 472         pbrm = pbrm_find(mapname);
 473
 474         if (!pbr_ifp) {
 475                 /* we don't want one and we don't have one, so... */
 476                 if (no)
 477                         return CMD_SUCCESS;
 478
 479                 /* Some one could have fat fingered the interface name */
 480                 pbr_ifp = pbr_if_new(ifp);
 481         }
 482
 483         if (no) {
 484                 if (strcmp(pbr_ifp->mapname, mapname) == 0) {
 485                         pbr_ifp->mapname[0] = '\0';
 486                         if (pbrm)
 487                                 pbr_map_interface_delete(pbrm, ifp);
 488                 }
 489         } else {
 490                 if (strcmp(pbr_ifp->mapname, "") != 0) {
 491                         old_pbrm = pbrm_find(pbr_ifp->mapname);
 492
 493                         /*
 494                          * So if we have an old pbrm we should only
 495                          * delete it if we are actually deleting and
 496                          * moving to a new pbrm
 497                          */
 498                         if (old_pbrm && old_pbrm != pbrm)
 499                                 pbr_map_interface_delete(old_pbrm, ifp);
 500                 }
 501                 snprintf(pbr_ifp->mapname, sizeof(pbr_ifp->mapname),
 502                          "%s", mapname);
 503
 504                 /*
 505                  * So only reinstall if the old_pbrm and this pbrm are
 506                  * different.
 507                  */
 508                 if (pbrm && pbrm != old_pbrm)
 509                         pbr_map_add_interface(pbrm, ifp);
 510         }
 511
 512         return CMD_SUCCESS;
 513 }
 514
 515 DEFPY (show_pbr,
 516         show_pbr_cmd,
 517         "show pbr",
 518         SHOW_STR
 519         PBR_STR)
 520 {
 521         pbr_nht_write_table_range(vty);
 522         pbr_nht_write_rule_range(vty);
 523
 524         return CMD_SUCCESS;
 525 }
 526
 527 DEFPY (show_pbr_map,
 528         show_pbr_map_cmd,
 529         "show pbr map [NAME$name] [detail$detail]",
 530         SHOW_STR
 531         PBR_STR
 532         "PBR Map\n"
 533         "PBR Map Name\n"
 534         "Detailed information\n")
 535 {
 536         struct pbr_map_sequence *pbrms;
 537         struct pbr_map *pbrm;
 538         struct listnode *node;
 539         char buf[PREFIX_STRLEN];
 540         char rbuf[64];
 541
 542         RB_FOREACH (pbrm, pbr_map_entry_head, &pbr_maps) {
 543                 if (name && strcmp(name, pbrm->name) != 0)
 544                         continue;
 545
 546                 vty_out(vty, "  pbr-map %s valid: %d\n", pbrm->name,
 547                         pbrm->valid);
 548
 549                 for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, node, pbrms)) {
 550                         if (pbrms->reason)
 551                                 pbr_map_reason_string(pbrms->reason, rbuf,
 552                                                       sizeof(rbuf));
 553                         vty_out(vty,
 554                                 "    Seq: %u rule: %u Installed: %" PRIu64 "(%u) Reason: %s\n",
 555                                 pbrms->seqno, pbrms->ruleno, pbrms->installed,
 556                                 pbrms->unique, pbrms->reason ? rbuf : "Valid");
 557
 558                         if (pbrms->src)
 559                                 vty_out(vty, "\tSRC Match: %s\n",
 560                                         prefix2str(pbrms->src, buf,
 561                                                    sizeof(buf)));
 562                         if (pbrms->dst)
 563                                 vty_out(vty, "\tDST Match: %s\n",
 564                                         prefix2str(pbrms->dst, buf,
 565                                                    sizeof(buf)));
 566                         if (pbrms->mark)
 567                                 vty_out(vty, "\tMARK Match: %u\n", pbrms->mark);
 568
 569                         if (pbrms->nhgrp_name) {
 570                                 vty_out(vty,
 571                                         "\tNexthop-Group: %s(%u) Installed: %u(%d)\n",
 572                                         pbrms->nhgrp_name,
 573                                         pbr_nht_get_table(pbrms->nhgrp_name),
 574                                         pbrms->nhs_installed,
 575                                         pbr_nht_get_installed(
 576                                                 pbrms->nhgrp_name));
 577                         } else if (pbrms->nhg) {
 578                                 vty_out(vty, "     ");
 579                                 nexthop_group_write_nexthop(
 580                                         vty, pbrms->nhg->nexthop);
 581                                 vty_out(vty,
 582                                         "\tInstalled: %u(%d) Tableid: %d\n",
 583                                         pbrms->nhs_installed,
 584                                         pbr_nht_get_installed(
 585                                                 pbrms->internal_nhg_name),
 586                                         pbr_nht_get_table(
 587                                                 pbrms->internal_nhg_name));
 588                         } else if (pbrms->vrf_unchanged) {
 589                                 vty_out(vty,
 590                                         "\tVRF Unchanged (use interface vrf)\n");
 591                         } else if (pbrms->vrf_lookup) {
 592                                 vty_out(vty, "\tVRF Lookup: %s\n",
 593                                         pbrms->vrf_name);
 594                         } else {
 595                                 vty_out(vty,
 596                                         "\tNexthop-Group: Unknown Installed: 0(0)\n");
 597                         }
 598                 }
 599         }
 600         return CMD_SUCCESS;
 601 }
 602
 603 DEFPY(show_pbr_nexthop_group,
 604       show_pbr_nexthop_group_cmd,
 605       "show pbr nexthop-groups [WORD$word]",
 606       SHOW_STR
 607       PBR_STR
 608       "Nexthop Groups\n"
 609       "Optional Name of the nexthop group\n")
 610 {
 611         pbr_nht_show_nexthop_group(vty, word);
 612
 613         return CMD_SUCCESS;
 614 }
 615
 616 DEFPY (show_pbr_interface,
 617         show_pbr_interface_cmd,
 618         "show pbr interface [NAME$name]",
 619         SHOW_STR
 620         PBR_STR
 621         "PBR Interface\n"
 622         "PBR Interface Name\n")
 623 {
 624         struct interface *ifp;
 625         struct vrf *vrf;
 626         struct pbr_interface *pbr_ifp;
 627
 628         RB_FOREACH(vrf, vrf_name_head, &vrfs_by_name) {
 629                 FOR_ALL_INTERFACES(vrf, ifp) {
 630                         struct pbr_map *pbrm;
 631
 632                         if (!ifp->info)
 633                                 continue;
 634
 635                         if (name && strcmp(ifp->name, name) != 0)
 636                                 continue;
 637
 638                         pbr_ifp = ifp->info;
 639
 640                         if (strcmp(pbr_ifp->mapname, "") == 0)
 641                                 continue;
 642
 643                         pbrm = pbrm_find(pbr_ifp->mapname);
 644                         vty_out(vty, "  %s(%d) with pbr-policy %s", ifp->name,
 645                                 ifp->ifindex, pbr_ifp->mapname);
 646                         if (!pbrm)
 647                                 vty_out(vty, " (map doesn't exist)");
 648                         vty_out(vty, "\n");
 649                 }
 650         }
 651
 652         return CMD_SUCCESS;
 653 }
 654
 655 /* PBR debugging CLI ------------------------------------------------------- */
 656
 657 static struct cmd_node debug_node = {DEBUG_NODE, "", 1};
 658
 659 DEFPY(debug_pbr,
 660       debug_pbr_cmd,
 661       "[no] debug pbr [{map$map|zebra$zebra|nht$nht|events$events}]",
 662       NO_STR
 663       DEBUG_STR
 664       PBR_STR
 665       "Policy maps\n"
 666       "PBRD <-> Zebra communications\n"
 667       "Nexthop tracking\n"
 668       "Events\n")
 669 {
 670         uint32_t mode = DEBUG_NODE2MODE(vty->node);
 671
 672         if (map)
 673                 DEBUG_MODE_SET(&pbr_dbg_map, mode, !no);
 674         if (zebra)
 675                 DEBUG_MODE_SET(&pbr_dbg_zebra, mode, !no);
 676         if (nht)
 677                 DEBUG_MODE_SET(&pbr_dbg_nht, mode, !no);
 678         if (events)
 679                 DEBUG_MODE_SET(&pbr_dbg_event, mode, !no);
 680
 681         /* no specific debug --> act on all of them */
 682         if (strmatch(argv[argc - 1]->text, "pbr"))
 683                 pbr_debug_set_all(mode, !no);
 684
 685         return CMD_SUCCESS;
 686 }
 687
 688 DEFUN_NOSH(show_debugging_pbr,
 689            show_debugging_pbr_cmd,
 690            "show debugging [pbr]",
 691            SHOW_STR
 692            DEBUG_STR
 693            PBR_STR)
 694 {
 695         vty_out(vty, "PBR debugging status:\n");
 696
 697         pbr_debug_config_write_helper(vty, false);
 698
 699         return CMD_SUCCESS;
 700 }
 701
 702 /* ------------------------------------------------------------------------- */
 703
 704
 705 static struct cmd_node interface_node = {
 706         INTERFACE_NODE, "%s(config-if)# ", 1 /* vtysh ? yes */
 707 };
 708
 709 static int pbr_interface_config_write(struct vty *vty)
 710 {
 711         struct interface *ifp;
 712         struct vrf *vrf;
 713
 714         RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
 715                 FOR_ALL_INTERFACES (vrf, ifp) {
 716                         if (vrf->vrf_id == VRF_DEFAULT)
 717                                 vty_frame(vty, "interface %s\n", ifp->name);
 718                         else
 719                                 vty_frame(vty, "interface %s vrf %s\n",
 720                                           ifp->name, vrf->name);
 721
 722                         if (ifp->desc)
 723                                 vty_out(vty, " description %s\n", ifp->desc);
 724
 725                         pbr_map_write_interfaces(vty, ifp);
 726
 727                         vty_endframe(vty, "!\n");
 728                 }
 729         }
 730
 731         return 1;
 732 }
 733
 734 /* PBR map node structure. */
 735 static struct cmd_node pbr_map_node = {PBRMAP_NODE, "%s(config-pbr-map)# ", 1};
 736
 737 static int pbr_vty_map_config_write_sequence(struct vty *vty,
 738                                              struct pbr_map *pbrm,
 739                                              struct pbr_map_sequence *pbrms)
 740 {
 741         char buff[PREFIX_STRLEN];
 742
 743         vty_out(vty, "pbr-map %s seq %u\n", pbrm->name, pbrms->seqno);
 744
 745         if (pbrms->src)
 746                 vty_out(vty, " match src-ip %s\n",
 747                         prefix2str(pbrms->src, buff, sizeof(buff)));
 748
 749         if (pbrms->dst)
 750                 vty_out(vty, " match dst-ip %s\n",
 751                         prefix2str(pbrms->dst, buff, sizeof(buff)));
 752
 753         if (pbrms->mark)
 754                 vty_out(vty, " match mark %u\n", pbrms->mark);
 755
 756         if (pbrms->vrf_unchanged)
 757                 vty_out(vty, " set vrf unchanged\n");
 758
 759         if (pbrms->vrf_lookup)
 760                 vty_out(vty, " set vrf %s\n", pbrms->vrf_name);
 761
 762         if (pbrms->nhgrp_name)
 763                 vty_out(vty, " set nexthop-group %s\n", pbrms->nhgrp_name);
 764
 765         if (pbrms->nhg) {
 766                 vty_out(vty, " set ");
 767                 nexthop_group_write_nexthop(vty, pbrms->nhg->nexthop);
 768         }
 769
 770         vty_out(vty, "!\n");
 771         return 1;
 772 }
 773
 774 static int pbr_vty_map_config_write(struct vty *vty)
 775 {
 776         struct pbr_map *pbrm;
 777
 778         pbr_nht_write_table_range(vty);
 779         pbr_nht_write_rule_range(vty);
 780
 781         RB_FOREACH(pbrm, pbr_map_entry_head, &pbr_maps) {
 782                 struct pbr_map_sequence *pbrms;
 783                 struct listnode *node;
 784
 785                 for (ALL_LIST_ELEMENTS_RO(pbrm->seqnumbers, node, pbrms))
 786                         pbr_vty_map_config_write_sequence(vty, pbrm, pbrms);
 787         }
 788
 789         return 1;
 790 }
 791
 792 static void pbr_map_completer(vector comps, struct cmd_token *token)
 793 {
 794         struct pbr_map *pbrm;
 795
 796         RB_FOREACH (pbrm, pbr_map_entry_head, &pbr_maps)
 797                 vector_set(comps, XSTRDUP(MTYPE_COMPLETION, pbrm->name));
 798 }
 799
 800 static const struct cmd_variable_handler pbr_map_name[] = {
 801         {
 802                 .tokenname = "PBRMAP", .completions = pbr_map_completer,
 803         },
 804         {
 805                 .completions = NULL
 806         }
 807 };
 808
 809 void pbr_vty_init(void)
 810 {
 811         cmd_variable_handler_register(pbr_map_name);
 812
 813         install_node(&interface_node,
 814                      pbr_interface_config_write);
 815         if_cmd_init();
 816
 817         install_node(&pbr_map_node,
 818                      pbr_vty_map_config_write);
 819
 820         /* debug */
 821         install_node(&debug_node, pbr_debug_config_write);
 822         install_element(VIEW_NODE, &debug_pbr_cmd);
 823         install_element(CONFIG_NODE, &debug_pbr_cmd);
 824         install_element(VIEW_NODE, &show_debugging_pbr_cmd);
 825
 826         install_default(PBRMAP_NODE);
 827
 828         install_element(CONFIG_NODE, &pbr_map_cmd);
 829         install_element(CONFIG_NODE, &no_pbr_map_cmd);
 830         install_element(CONFIG_NODE, &pbr_set_table_range_cmd);
 831         install_element(INTERFACE_NODE, &pbr_policy_cmd);
 832         install_element(PBRMAP_NODE, &pbr_map_match_src_cmd);
 833         install_element(PBRMAP_NODE, &pbr_map_match_dst_cmd);
 834         install_element(PBRMAP_NODE, &pbr_map_match_mark_cmd);
 835         install_element(PBRMAP_NODE, &pbr_map_nexthop_group_cmd);
 836         install_element(PBRMAP_NODE, &pbr_map_nexthop_cmd);
 837         install_element(PBRMAP_NODE, &pbr_map_vrf_cmd);
 838         install_element(VIEW_NODE, &show_pbr_cmd);
 839         install_element(VIEW_NODE, &show_pbr_map_cmd);
 840         install_element(VIEW_NODE, &show_pbr_interface_cmd);
 841         install_element(VIEW_NODE, &show_pbr_nexthop_group_cmd);
 842 }