2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/lisp-cp/control.h>
17 #include <vnet/lisp-cp/packets.h>
18 #include <vnet/lisp-cp/lisp_msg_serdes.h>
19 #include <vnet/lisp-gpe/lisp_gpe.h>
21 /* Stores mapping in map-cache. It does NOT program data plane forwarding for
22 * remote/learned mappings. */
24 vnet_lisp_add_del_mapping (vnet_lisp_add_del_mapping_args_t * a,
25 u32 * map_index_result)
27 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
28 u32 mi, * map_indexp, map_index, i;
32 mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &a->deid);
35 /* TODO check if overwriting and take appropriate actions */
36 if (mi != GID_LOOKUP_MISS)
38 clib_warning("eid %U found in the eid-table", format_ip_address,
40 return VNET_API_ERROR_VALUE_EXIST;
43 pool_get(lcm->mapping_pool, m);
45 m->locator_set_index = a->locator_set_index;
49 map_index = m - lcm->mapping_pool;
50 gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->deid, map_index,
53 if (pool_is_free_index(lcm->locator_set_pool, a->locator_set_index))
55 clib_warning("Locator set with index %d doesn't exist",
56 a->locator_set_index);
57 return VNET_API_ERROR_INVALID_VALUE;
60 /* add eid to list of eids supported by locator-set */
61 vec_validate (lcm->locator_set_to_eids, a->locator_set_index);
62 eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids,
63 a->locator_set_index);
64 vec_add1(eid_indexes[0], map_index);
69 vec_add1(lcm->local_mappings_indexes, map_index);
71 map_index_result[0] = map_index;
75 if (mi == GID_LOOKUP_MISS)
77 clib_warning("eid %U not found in the eid-table", format_ip_address,
79 return VNET_API_ERROR_INVALID_VALUE;
82 /* clear locator-set to eids binding */
83 eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids,
84 a->locator_set_index);
85 for (i = 0; i < vec_len(eid_indexes[0]); i++)
87 map_indexp = vec_elt_at_index(eid_indexes[0], i);
88 if (map_indexp[0] == mi)
91 vec_del1(eid_indexes[0], i);
93 /* remove local mark if needed */
94 m = pool_elt_at_index(lcm->mapping_pool, mi);
98 for (k = 0; k < vec_len(lcm->local_mappings_indexes); k++)
100 lm_indexp = vec_elt_at_index(lcm->local_mappings_indexes, k);
101 if (lm_indexp[0] == mi)
104 vec_del1(lcm->local_mappings_indexes, k);
108 /* remove tunnel ??? */
111 /* remove mapping from dictionary */
112 gid_dictionary_add_del (&lcm->mapping_index_by_gid, &a->deid, 0, 0);
113 pool_put_index (lcm->mapping_pool, mi);
119 /* Stores mapping in map-cache and programs data plane for local mappings. */
121 vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a,
122 u32 * map_index_result)
124 uword * table_id, * refc;
126 vnet_lisp_gpe_add_del_iface_args_t _ai, *ai = &_ai;
127 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
129 /* store/remove mapping from map-cache */
130 rv = vnet_lisp_add_del_mapping (a, map_index_result);
134 table_id = hash_get(lcm->table_id_by_vni, /* default for now */ 0);
138 clib_warning ("vni %d not associated to a vrf!", 0);
139 return VNET_API_ERROR_INVALID_VALUE;
142 refc = hash_get(lcm->dp_if_refcount_by_vni, 0);
144 /* enable/disable data-plane interface */
147 /* create interface or update refcount */
151 ai->vni = 0; /* default for now, pass vni as parameter */
152 ai->table_id = table_id[0];
153 vnet_lisp_gpe_add_del_iface (ai, 0);
162 /* since this is a remove for an existing eid, the iface should exist */
166 /* remove iface if needed */
170 ai->vni = 0; /* default for now, pass vni as parameter */
171 ai->table_id = table_id[0];
172 vnet_lisp_gpe_add_del_iface (ai, 0);
179 static clib_error_t *
180 lisp_add_del_local_eid_command_fn (vlib_main_t * vm, unformat_input_t * input,
181 vlib_cli_command_t * cmd)
183 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
184 unformat_input_t _line_input, * line_input = &_line_input;
187 ip_prefix_t * prefp = &gid_address_ippref(&eid);
188 gid_address_t * eids = 0;
189 clib_error_t * error = 0;
190 u8 * locator_set_name;
191 u32 locator_set_index = 0, map_index = 0;
193 vnet_lisp_add_del_mapping_args_t _a, * a = &_a;
195 gid_address_type (&eid) = IP_PREFIX;
197 /* Get a line of input. */
198 if (! unformat_user (input, unformat_line_input, line_input))
201 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
203 if (unformat (line_input, "add"))
205 else if (unformat (line_input, "del"))
207 else if (unformat (line_input, "eid %U", unformat_ip_prefix, prefp))
211 else if (unformat (line_input, "locator-set %_%v%_", &locator_set_name))
213 p = hash_get_mem(lcm->locator_set_index_by_name, locator_set_name);
216 error = clib_error_return(0, "locator-set %s doesn't exist",
220 locator_set_index = p[0];
224 error = unformat_parse_error(line_input);
229 /* XXX treat batch configuration */
232 a->locator_set_index = locator_set_index;
235 vnet_lisp_add_del_local_mapping (a, &map_index);
241 VLIB_CLI_COMMAND (lisp_add_del_local_eid_command) = {
242 .path = "lisp eid-table",
243 .short_help = "lisp eid-table add/del eid <eid> locator-set <locator-set>",
244 .function = lisp_add_del_local_eid_command_fn,
247 static clib_error_t *
248 lisp_show_local_eid_table_command_fn (vlib_main_t * vm,
249 unformat_input_t * input,
250 vlib_cli_command_t * cmd)
252 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
255 vlib_cli_output (vm, "%=20s%=16s", "EID", "Locator");
256 pool_foreach (mapit, lcm->mapping_pool,
259 locator_set_t * ls = pool_elt_at_index (lcm->locator_set_pool,
260 mapit->locator_set_index);
261 vlib_cli_output (vm, "%-16U%16v", format_gid_address, &mapit->eid,
269 VLIB_CLI_COMMAND (lisp_cp_show_local_eid_table_command) = {
270 .path = "show lisp eid-table",
271 .short_help = "Shows local EID table",
272 .function = lisp_show_local_eid_table_command_fn,
275 /* cleans locator to locator-set data and removes locators not part of
278 clean_locator_to_locator_set (lisp_cp_main_t * lcm, u32 lsi)
280 u32 i, j, *loc_indexp, *ls_indexp, **ls_indexes;
281 locator_set_t * ls = pool_elt_at_index(lcm->locator_set_pool, lsi);
282 for (i = 0; i < vec_len(ls->locator_indices); i++)
284 loc_indexp = vec_elt_at_index(ls->locator_indices, i);
285 ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets,
287 for (j = 0; j < vec_len(ls_indexes[0]); j++)
289 ls_indexp = vec_elt_at_index(ls_indexes[0], j);
290 if (ls_indexp[0] == lsi)
294 /* delete index for removed locator-set*/
295 vec_del1(ls_indexes[0], j);
297 /* delete locator if it's part of no locator-set */
298 if (vec_len (ls_indexes[0]) == 0)
299 pool_put_index(lcm->locator_pool, loc_indexp[0]);
303 vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a,
306 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
308 locator_t * loc, * itloc;
309 uword _p = (u32)~0, * p = &_p;
310 u32 loc_index, ls_index, ** ls_indexes;
315 /* check if overwrite */
317 p = hash_get_mem(lcm->locator_set_index_by_name, a->name);
322 if (p && p[0] != (u32)~0)
324 ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
327 clib_warning("locator-set %d to be overwritten doesn't exist!",
332 /* clean locator to locator-set vectors and remove locators if
333 * they're not part of another locator-set */
334 clean_locator_to_locator_set (lcm, p[0]);
336 /* remove locator indices from locator set */
337 vec_free(ls->locator_indices);
344 /* new locator-set */
347 pool_get(lcm->locator_set_pool, ls);
348 ls_index = ls - lcm->locator_set_pool;
352 ls->name = vec_dup(a->name);
354 if (!lcm->locator_set_index_by_name)
355 lcm->locator_set_index_by_name = hash_create_vec(
356 /* size */0, sizeof(ls->name[0]), sizeof(uword));
357 hash_set_mem(lcm->locator_set_index_by_name, ls->name, ls_index);
359 /* mark as local locator-set */
360 vec_add1(lcm->local_locator_set_indexes, ls_index);
362 ls->local = a->local;
364 ls_result[0] = ls_index;
367 /* allocate locators */
368 vec_foreach (itloc, a->locators)
370 pool_get(lcm->locator_pool, loc);
372 loc_index = loc - lcm->locator_pool;
374 vec_add1(ls->locator_indices, loc_index);
376 vec_validate (lcm->locator_to_locator_sets, loc_index);
377 ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets,
379 vec_add1(ls_indexes[0], ls_index);
384 /* find locator-set */
387 p = hash_get_mem(lcm->locator_set_index_by_name, a->name);
390 clib_warning("locator-set %v doesn't exists", a->name);
397 ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
400 clib_warning("locator-set with index %d doesn't exists", p[0]);
403 // /* XXX what happens when a mapping is configured to use the loc-set ? */
404 // if (vec_len (vec_elt_at_index(lcm->locator_set_to_eids, p[0])) != 0)
406 // clib_warning ("Can't delete a locator that supports a mapping!");
410 if (vec_len(lcm->locator_set_to_eids) != 0)
412 eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids, p[0]);
413 if (vec_len(eid_indexes[0]) != 0)
415 clib_warning ("Can't delete a locator that supports a mapping!");
420 /* clean locator to locator-sets data */
421 clean_locator_to_locator_set (lcm, p[0]);
427 vec_foreach_index(it, lcm->local_locator_set_indexes)
429 lsi = vec_elt(lcm->local_locator_set_indexes, it);
432 vec_del1(lcm->local_locator_set_indexes, it);
436 hash_unset_mem(lcm->locator_set_index_by_name, ls->name);
439 pool_put(lcm->locator_set_pool, ls);
445 uword *vnet_lisp_get_locator(vnet_lisp_add_del_locator_set_args_t * a,
448 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
453 /* find locator-set */
456 p = hash_get_mem(lcm->locator_set_index_by_name, a->name);
467 vnet_lisp_add_del_locator_set_name (vnet_lisp_add_del_locator_set_args_t * a,
470 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
472 uword _p = (u32)~0, * p = &_p;
474 u32 **eid_indexes = NULL;
477 ASSERT(ls_result != NULL);
479 p = vnet_lisp_get_locator(a, p);
484 if (p && p[0] != (u32)~0)
486 ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
489 clib_warning("locator-set %d to be overwritten doesn't exist!",
491 return VNET_API_ERROR_UNSPECIFIED;
494 /* clean locator to locator-set vectors and remove locators if
495 * they're not part of another locator-set */
496 clean_locator_to_locator_set (lcm, p[0]);
498 /* remove locator indices from locator set */
499 vec_free(ls->locator_indices);
506 /* new locator-set */
509 pool_get(lcm->locator_set_pool, ls);
510 ls_index = ls - lcm->locator_set_pool;
514 ls->name = vec_dup(a->name);
516 if (!lcm->locator_set_index_by_name)
517 lcm->locator_set_index_by_name = hash_create_vec(
518 /* size */0, sizeof(ls->name[0]), sizeof(uword));
519 hash_set_mem(lcm->locator_set_index_by_name, ls->name, ls_index);
521 /* mark as local locator-set */
522 vec_add1(lcm->local_locator_set_indexes, ls_index);
524 ls->local = a->local;
525 ls->locator_indices = NULL;
527 ls_result[0] = ls_index;
534 clib_warning("locator-set %v doesn't exists", a->name);
535 return VNET_API_ERROR_INVALID_ARGUMENT;
538 ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
541 clib_warning("locator-set with index %d doesn't exists", p[0]);
542 return VNET_API_ERROR_INVALID_ARGUMENT;
545 if (vec_len(lcm->locator_set_to_eids) != 0)
547 eid_indexes = vec_elt_at_index(lcm->locator_set_to_eids, p[0]);
548 if (vec_len(eid_indexes[0]) != 0)
550 clib_warning ("Can't delete a locator that supports a mapping!");
555 /* clean locator to locator-sets data */
556 clean_locator_to_locator_set (lcm, p[0]);
562 vec_foreach_index(it, lcm->local_locator_set_indexes)
564 lsi = vec_elt(lcm->local_locator_set_indexes, it);
567 vec_del1(lcm->local_locator_set_indexes, it);
571 hash_unset_mem(lcm->locator_set_index_by_name, ls->name);
574 pool_put(lcm->locator_set_pool, ls);
580 vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t *a,
583 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
584 locator_set_t *ls = NULL;
585 locator_t *loc = NULL, *itloc = NULL;
586 uword _p = (u32)~0, * p = &_p;
587 u32 loc_index = ~0, ls_index = ~0, *locit = NULL, **ls_indexes = NULL;
591 ASSERT(ls_result != NULL);
593 p = vnet_lisp_get_locator(a, p);
595 clib_warning("locator-set %v doesn't exists", a->name);
596 return VNET_API_ERROR_INVALID_ARGUMENT;
603 ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
606 clib_warning("locator-set %d to be overwritten doesn't exist!",
608 return VNET_API_ERROR_INVALID_ARGUMENT;
614 /* allocate locators */
616 pool_get(lcm->locator_pool, loc);
618 loc_index = loc - lcm->locator_pool;
620 vec_add1(ls->locator_indices, loc_index);
622 vec_validate (lcm->locator_to_locator_sets, loc_index);
623 ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets,
625 vec_add1(ls_indexes[0], ls_index);
629 ls = pool_elt_at_index(lcm->locator_set_pool, p[0]);
632 clib_warning("locator-set with index %d doesn't exists", p[0]);
633 return VNET_API_ERROR_INVALID_ARGUMENT;
640 vec_foreach (locit, ls->locator_indices)
642 loc = pool_elt_at_index(lcm->locator_pool, locit[0]);
643 if (loc->local && loc->sw_if_index == itloc->sw_if_index)
645 ls_indexes = vec_elt_at_index(lcm->locator_to_locator_sets,
647 pool_put_index(lcm->locator_pool, locit[0]);
648 vec_del1(ls->locator_indices, i);
649 vec_del1(ls_indexes[0], ls_index);
658 static clib_error_t *
659 lisp_add_del_locator_set_command_fn (vlib_main_t * vm, unformat_input_t * input,
660 vlib_cli_command_t * cmd)
662 lisp_gpe_main_t * lgm = &lisp_gpe_main;
663 vnet_main_t * vnm = lgm->vnet_main;
664 unformat_input_t _line_input, * line_input = &_line_input;
666 clib_error_t * error = 0;
667 u8 * locator_set_name = 0;
668 locator_t locator, * locators = 0;
669 vnet_lisp_add_del_locator_set_args_t _a, * a = &_a;
672 memset(&locator, 0, sizeof(locator));
673 memset(a, 0, sizeof(a[0]));
675 /* Get a line of input. */
676 if (! unformat_user (input, unformat_line_input, line_input))
679 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
681 if (unformat (line_input, "add %_%v%_", &locator_set_name))
683 else if (unformat (line_input, "del %_%v%_", &locator_set_name))
685 else if (unformat (line_input, "iface %U p %d w %d",
686 unformat_vnet_sw_interface, vnm, &locator.sw_if_index,
687 &locator.priority, &locator.weight))
690 vec_add1(locators, locator);
694 error = unformat_parse_error(line_input);
699 a->name = locator_set_name;
700 a->locators = locators;
704 vnet_lisp_add_del_locator_set(a, &ls_index);
708 vec_free(locator_set_name);
712 VLIB_CLI_COMMAND (lisp_cp_add_del_locator_set_command) = {
713 .path = "lisp locator-set",
714 .short_help = "lisp locator-set add/del <name> iface <iface-name> "
715 "<priority> <weight>",
716 .function = lisp_add_del_locator_set_command_fn,
719 static clib_error_t *
720 lisp_cp_show_locator_sets_command_fn (vlib_main_t * vm,
721 unformat_input_t * input,
722 vlib_cli_command_t * cmd)
724 locator_set_t * lsit;
727 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
729 vlib_cli_output (vm, "%=20s%=16s%=16s%=16s", "Locator-set", "Locator",
730 "Priority", "Weight");
731 pool_foreach (lsit, lcm->locator_set_pool,
734 msg = format (msg, "%-16v", lsit->name);
735 vec_foreach (locit, lsit->locator_indices)
737 loc = pool_elt_at_index (lcm->locator_pool, locit[0]);
739 msg = format (msg, "%16d%16d%16d", loc->sw_if_index, loc->priority,
742 msg = format (msg, "%16U%16d%16d", format_gid_address, &loc->address,
743 loc->priority, loc->weight);
745 vlib_cli_output (vm, "%v", msg);
751 VLIB_CLI_COMMAND (lisp_cp_show_locator_sets_command) = {
752 .path = "show lisp locator-set",
753 .short_help = "Shows locator-sets",
754 .function = lisp_cp_show_locator_sets_command_fn,
758 vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a)
760 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
766 vec_foreach(addr, lcm->map_resolvers)
768 if (!ip_address_cmp (addr, &a->address))
770 clib_warning("map-resolver %U already exists!", format_ip_address,
775 vec_add1(lcm->map_resolvers, a->address);
779 for (i = 0; i < vec_len(lcm->map_resolvers); i++)
781 addr = vec_elt_at_index(lcm->map_resolvers, i);
782 if (!ip_address_cmp (addr, &a->address))
784 vec_delete(lcm->map_resolvers, 1, i);
792 static clib_error_t *
793 lisp_add_del_map_resolver_command_fn (vlib_main_t * vm,
794 unformat_input_t * input,
795 vlib_cli_command_t * cmd)
797 unformat_input_t _line_input, * line_input = &_line_input;
799 ip_address_t ip_addr;
800 clib_error_t * error = 0;
801 vnet_lisp_add_del_map_resolver_args_t _a, * a = &_a;
803 /* Get a line of input. */
804 if (! unformat_user (input, unformat_line_input, line_input))
807 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
809 if (unformat (line_input, "add"))
811 else if (unformat (line_input, "del"))
813 else if (unformat (line_input, "%U", unformat_ip_address, &ip_addr))
817 error = unformat_parse_error(line_input);
822 a->address = ip_addr;
823 vnet_lisp_add_del_map_resolver (a);
829 VLIB_CLI_COMMAND (lisp_add_del_map_resolver_command) = {
830 .path = "lisp map-resolver",
831 .short_help = "lisp map-resolver add/del <ip_address>",
832 .function = lisp_add_del_map_resolver_command_fn,
835 /* Statistics (not really errors) */
836 #define foreach_lisp_cp_lookup_error \
838 _(MAP_REQUESTS_SENT, "map-request sent")
840 static char * lisp_cp_lookup_error_strings[] = {
841 #define _(sym,string) string,
842 foreach_lisp_cp_lookup_error
848 #define _(sym,str) LISP_CP_LOOKUP_ERROR_##sym,
849 foreach_lisp_cp_lookup_error
851 LISP_CP_LOOKUP_N_ERROR,
852 } lisp_cp_lookup_error_t;
856 LISP_CP_LOOKUP_NEXT_DROP,
857 LISP_CP_LOOKUP_NEXT_IP4_LOOKUP,
858 LISP_CP_LOOKUP_NEXT_IP6_LOOKUP,
859 LISP_CP_LOOKUP_N_NEXT,
860 } lisp_cp_lookup_next_t;
864 gid_address_t dst_eid;
865 ip4_address_t map_resolver_ip;
866 } lisp_cp_lookup_trace_t;
869 format_lisp_cp_lookup_trace (u8 * s, va_list * args)
871 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
872 CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
873 lisp_cp_lookup_trace_t * t = va_arg (*args, lisp_cp_lookup_trace_t *);
875 s = format (s, "LISP-CP-LOOKUP: map-resolver: %U destination eid %U",
876 format_ip4_address, &t->map_resolver_ip, format_gid_address,
882 ip_fib_lookup_with_table (lisp_cp_main_t * lcm, u32 fib_index,
885 if (ip_addr_version (dst) == IP4)
886 return ip4_fib_lookup_with_table (lcm->im4, fib_index, &ip_addr_v4(dst),
889 return ip6_fib_lookup_with_table (lcm->im6, fib_index, &ip_addr_v6(dst));
893 get_local_iface_ip_for_dst (lisp_cp_main_t *lcm, ip_address_t * dst,
897 ip_adjacency_t * adj;
898 ip_interface_address_t * ia = 0;
899 ip_lookup_main_t * lm = &lcm->im4->lookup_main;
900 ip4_address_t * l4 = 0;
901 ip6_address_t * l6 = 0;
903 adj_index = ip_fib_lookup_with_table (lcm, 0, dst);
904 adj = ip_get_adjacency (lm, adj_index);
906 if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP)
908 ia = pool_elt_at_index(lm->if_address_pool, adj->if_address_index);
909 if (ip_addr_version(dst) == IP4)
911 l4 = ip_interface_address_get_address (lm, ia);
915 l6 = ip_interface_address_get_address (lm, ia);
918 else if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE)
920 /* find sw_if_index in rewrite header */
921 u32 sw_if_index = adj->rewrite_header.sw_if_index;
923 /* find suitable address */
924 if (ip_addr_version(dst) == IP4)
926 /* find the first ip address */
927 foreach_ip_interface_address (&lcm->im4->lookup_main, ia,
928 sw_if_index, 1 /* unnumbered */,
930 l4 = ip_interface_address_get_address (&lcm->im4->lookup_main, ia);
936 /* find the first ip address */
937 foreach_ip_interface_address (&lcm->im6->lookup_main, ia,
938 sw_if_index, 1 /* unnumbered */,
940 l6 = ip_interface_address_get_address (&lcm->im6->lookup_main, ia);
947 clib_warning("Can't find local local interface ip for dst %U",
948 format_ip_address, dst);
954 ip_addr_v4(sloc).as_u32 = l4->as_u32;
955 ip_addr_version(sloc) = IP4;
959 clib_memcpy (&ip_addr_v6(sloc), l6, sizeof(*l6));
960 ip_addr_version(sloc) = IP6;
964 clib_warning("Can't find local interface addr for dst %U",
965 format_ip_address, dst);
970 static ip_address_t *
971 build_itr_rloc_list (lisp_cp_main_t * lcm, locator_set_t * loc_set)
978 ip_interface_address_t * ia = 0;
979 ip_address_t * rlocs = 0;
980 ip_address_t _rloc, * rloc = &_rloc;
982 for (i = 0; i < vec_len(loc_set->locator_indices); i++)
984 loc_indexp = vec_elt_at_index(loc_set->locator_indices, i);
985 loc = pool_elt_at_index (lcm->locator_pool, loc_indexp[0]);
987 ip_addr_version(rloc) = IP4;
988 /* Add ipv4 locators first TODO sort them */
989 foreach_ip_interface_address (&lcm->im4->lookup_main, ia,
990 loc->sw_if_index, 1 /* unnumbered */,
992 l4 = ip_interface_address_get_address (&lcm->im4->lookup_main, ia);
993 ip_addr_v4(rloc) = l4[0];
994 vec_add1(rlocs, rloc[0]);
997 ip_addr_version(rloc) = IP6;
998 /* Add ipv6 locators */
999 foreach_ip_interface_address (&lcm->im6->lookup_main, ia,
1000 loc->sw_if_index, 1 /* unnumbered */,
1002 l6 = ip_interface_address_get_address (&lcm->im6->lookup_main, ia);
1003 ip_addr_v6(rloc) = l6[0];
1004 vec_add1(rlocs, rloc[0]);
1010 static vlib_buffer_t *
1011 build_encapsulated_map_request (vlib_main_t * vm, lisp_cp_main_t *lcm,
1012 gid_address_t * seid, gid_address_t * deid,
1013 locator_set_t * loc_set, u8 is_smr_invoked,
1014 u64 *nonce_res, u32 * bi_res)
1018 ip_address_t * mr_ip, sloc;
1019 ip_address_t * rlocs = 0;
1021 if (vlib_buffer_alloc (vm, &bi, 1) != 1)
1023 clib_warning ("Can't allocate buffer for Map-Request!");
1027 b = vlib_get_buffer (vm, bi);
1029 /* leave some space for the encap headers */
1030 vlib_buffer_make_headroom (b, MAX_LISP_MSG_ENCAP_LEN);
1033 rlocs = build_itr_rloc_list (lcm, loc_set);
1036 lisp_msg_put_mreq (lcm, b, seid, deid, rlocs, is_smr_invoked, nonce_res);
1038 /* push ecm: udp-ip-lisp */
1039 lisp_msg_push_ecm (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, seid, deid);
1041 /* get map-resolver ip XXX use first*/
1042 mr_ip = vec_elt_at_index(lcm->map_resolvers, 0);
1044 /* get local iface ip to use in map-request XXX fib 0 for now*/
1045 get_local_iface_ip_for_dst (lcm, mr_ip, &sloc);
1047 /* push outer ip header */
1048 pkt_push_udp_and_ip (vm, b, LISP_CONTROL_PORT, LISP_CONTROL_PORT, &sloc,
1059 send_encapsulated_map_request (vlib_main_t * vm, lisp_cp_main_t *lcm,
1060 gid_address_t * seid, gid_address_t * deid,
1063 u32 next_index, bi = 0, * to_next, map_index;
1067 locator_set_t * loc_set;
1069 pending_map_request_t * pmr;
1071 /* get locator-set for seid */
1072 map_index = gid_dictionary_lookup (&lcm->mapping_index_by_gid, seid);
1073 if (map_index == ~0)
1075 clib_warning("No local mapping found in eid-table for %U!",
1076 format_gid_address, seid);
1080 map = pool_elt_at_index (lcm->mapping_pool, map_index);
1084 clib_warning("Mapping found for src eid %U is not marked as local!",
1085 format_gid_address, seid);
1088 loc_set = pool_elt_at_index (lcm->locator_set_pool, map->locator_set_index);
1090 /* build the encapsulated map request */
1091 b = build_encapsulated_map_request (vm, lcm, seid, deid, loc_set,
1092 is_smr_invoked, &nonce, &bi);
1097 vnet_buffer(b)->sw_if_index[VLIB_TX] = ~0;
1098 next_index = (ip_prefix_version(&gid_address_ippref(seid)) == IP4) ?
1099 ip4_lookup_node.index : ip6_lookup_node.index;
1101 f = vlib_get_frame_to_node (vm, next_index);
1103 /* Enqueue the packet */
1104 to_next = vlib_frame_vector_args (f);
1107 vlib_put_frame_to_node (vm, next_index, f);
1109 /* add map-request to pending requests table */
1110 pool_get(lcm->pending_map_requests_pool, pmr);
1111 gid_address_copy (&pmr->src, seid);
1112 gid_address_copy (&pmr->dst, deid);
1113 pmr->src_mapping_index = map_index;
1114 hash_set(lcm->pending_map_requests_by_nonce, nonce,
1115 pmr - lcm->pending_map_requests_pool);
1119 get_src_and_dst (void *hdr, ip_address_t * src, ip_address_t *dst)
1121 ip4_header_t * ip4 = hdr;
1124 if ((ip4->ip_version_and_header_length & 0xF0) == 0x40)
1126 ip_addr_v4(src).as_u32 = ip4->src_address.as_u32;
1127 ip_addr_version(src) = IP4;
1128 ip_addr_v4(dst).as_u32 = ip4->dst_address.as_u32;
1129 ip_addr_version(dst) = IP4;
1134 clib_memcpy (&ip_addr_v6(src), &ip6->src_address, sizeof(ip6->src_address));
1135 ip_addr_version(src) = IP6;
1136 clib_memcpy (&ip_addr_v6(dst), &ip6->dst_address, sizeof(ip6->dst_address));
1137 ip_addr_version(dst) = IP6;
1142 lisp_cp_lookup (vlib_main_t * vm, vlib_node_runtime_t * node,
1143 vlib_frame_t * from_frame)
1145 u32 * from, * to_next_drop;
1146 lisp_cp_main_t *lcm = vnet_lisp_cp_get_main();
1147 u32 pkts_mapped = 0;
1148 uword n_left_from, n_left_to_next_drop;
1150 from = vlib_frame_vector_args (from_frame);
1151 n_left_from = from_frame->n_vectors;
1153 while (n_left_from > 0)
1155 vlib_get_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP,
1156 to_next_drop, n_left_to_next_drop);
1158 while (n_left_from > 0 && n_left_to_next_drop > 0)
1163 gid_address_t src, dst;
1164 ip_prefix_t * spref, * dpref;
1166 gid_address_type (&src) = IP_PREFIX;
1167 spref = &gid_address_ippref(&src);
1168 gid_address_type (&dst) = IP_PREFIX;
1169 dpref = &gid_address_ippref(&dst);
1174 to_next_drop[0] = pi0;
1176 n_left_to_next_drop -= 1;
1178 p0 = vlib_get_buffer (vm, pi0);
1179 p0->error = node->errors[LISP_CP_LOOKUP_ERROR_DROP];
1181 /* src/dst eid pair */
1182 ip0 = vlib_buffer_get_current (p0);
1183 get_src_and_dst (ip0, &ip_prefix_addr(spref), &ip_prefix_addr(dpref));
1184 ip_prefix_len(spref) = ip_address_max_len (ip_prefix_version(spref));
1185 ip_prefix_len(dpref) = ip_address_max_len (ip_prefix_version(dpref));
1187 /* send map-request */
1188 send_encapsulated_map_request (vm, lcm, &src, &dst, 0);
1192 if (PREDICT_FALSE(p0->flags & VLIB_BUFFER_IS_TRACED))
1194 lisp_cp_lookup_trace_t *tr = vlib_add_trace (vm, node, p0,
1196 gid_address_copy (&tr->dst_eid, &dst);
1197 clib_memcpy (&tr->map_resolver_ip,
1198 vec_elt_at_index(lcm->map_resolvers, 0),
1199 sizeof(ip_address_t));
1203 vlib_put_next_frame (vm, node, LISP_CP_LOOKUP_NEXT_DROP, n_left_to_next_drop);
1205 vlib_node_increment_counter (vm, node->node_index,
1206 LISP_CP_LOOKUP_ERROR_MAP_REQUESTS_SENT,
1208 return from_frame->n_vectors;
1211 VLIB_REGISTER_NODE (lisp_cp_lookup_node) = {
1212 .function = lisp_cp_lookup,
1213 .name = "lisp-cp-lookup",
1214 .vector_size = sizeof (u32),
1215 .format_trace = format_lisp_cp_lookup_trace,
1216 .type = VLIB_NODE_TYPE_INTERNAL,
1218 .n_errors = LISP_CP_LOOKUP_N_ERROR,
1219 .error_strings = lisp_cp_lookup_error_strings,
1221 .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
1224 [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
1225 [LISP_CP_LOOKUP_NEXT_IP4_LOOKUP] = "ip4-lookup",
1226 [LISP_CP_LOOKUP_NEXT_IP6_LOOKUP] = "ip6-lookup",
1230 /* lisp_cp_input statistics */
1231 #define foreach_lisp_cp_input_error \
1233 _(MAP_REPLIES_RECEIVED, "map-replies received")
1235 static char * lisp_cp_input_error_strings[] = {
1236 #define _(sym,string) string,
1237 foreach_lisp_cp_input_error
1243 #define _(sym,str) LISP_CP_INPUT_ERROR_##sym,
1244 foreach_lisp_cp_input_error
1246 LISP_CP_INPUT_N_ERROR,
1247 } lisp_cp_input_error_t;
1251 LISP_CP_INPUT_NEXT_DROP,
1252 LISP_CP_INPUT_N_NEXT,
1253 } lisp_cp_input_next_t;
1257 gid_address_t dst_eid;
1258 ip4_address_t map_resolver_ip;
1259 } lisp_cp_input_trace_t;
1262 format_lisp_cp_input_trace (u8 * s, va_list * args)
1264 CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
1265 CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
1266 CLIB_UNUSED(lisp_cp_input_trace_t * t) = va_arg (*args, lisp_cp_input_trace_t *);
1268 s = format (s, "LISP-CP-INPUT: TODO");
1272 ip_interface_address_t *
1273 ip_interface_get_first_interface_address (ip_lookup_main_t *lm, u32 sw_if_index,
1276 vnet_main_t *vnm = vnet_get_main ();
1277 vnet_sw_interface_t * swif = vnet_get_sw_interface (vnm, sw_if_index);
1278 if (loop && swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)
1279 sw_if_index = swif->unnumbered_sw_if_index;
1281 (vec_len((lm)->if_address_pool_index_by_sw_if_index) > (sw_if_index)) ?
1282 vec_elt((lm)->if_address_pool_index_by_sw_if_index, (sw_if_index)) :
1284 return pool_elt_at_index((lm)->if_address_pool, ia);
1288 ip_interface_get_first_ip_addres (ip_lookup_main_t *lm, u32 sw_if_index,
1291 ip_interface_address_t * ia = ip_interface_get_first_interface_address (
1292 lm, sw_if_index, loop);
1293 return ip_interface_address_get_address (lm, ia);
1297 del_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index,
1300 vnet_lisp_gpe_add_del_fwd_entry_args_t _a, * a = &_a;
1301 fwd_entry_t * fe = 0;
1303 memset(a, 0, sizeof(*a));
1305 feip = hash_get(lcm->fwd_entry_by_mapping_index, dst_map_index);
1309 fe = pool_elt_at_index(lcm->fwd_entry_pool, feip[0]);
1311 /* delete dp fwd entry */
1314 a->dlocator = fe->dst_loc;
1315 a->slocator = fe->src_loc;
1316 a->vni = 0; // XXX should be part of mapping/eid
1317 gid_address_copy(&a->deid, &fe->deid);
1319 vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
1321 /* delete entry in fwd table */
1322 hash_unset(lcm->fwd_entry_by_mapping_index, dst_map_index);
1323 pool_put(lcm->fwd_entry_pool, fe);
1327 add_fwd_entry (lisp_cp_main_t* lcm, u32 src_map_index, u32 dst_map_index)
1329 mapping_t * src_map, * dst_map;
1330 locator_set_t * dst_ls, * src_ls;
1333 uword * feip = 0, * tidp;
1334 vnet_lisp_gpe_add_del_fwd_entry_args_t _a, * a = &_a;
1336 memset (a, 0, sizeof(*a));
1338 /* remove entry if it already exists */
1339 feip = hash_get (lcm->fwd_entry_by_mapping_index, dst_map_index);
1341 del_fwd_entry (lcm, src_map_index, dst_map_index);
1343 src_map = pool_elt_at_index (lcm->mapping_pool, src_map_index);
1344 dst_map = pool_elt_at_index (lcm->mapping_pool, dst_map_index);
1346 /* XXX simple forwarding policy: first lowest (value) priority locator */
1347 dst_ls = pool_elt_at_index (lcm->locator_set_pool,
1348 dst_map->locator_set_index);
1349 for (i = 0; i < vec_len (dst_ls->locator_indices); i++)
1351 u32 li = vec_elt (dst_ls->locator_indices, i);
1352 locator_t * l = pool_elt_at_index (lcm->locator_pool, li);
1353 if (l->priority < minp && gid_address_type(&l->address) == IP_PREFIX)
1361 src_ls = pool_elt_at_index (lcm->locator_set_pool,
1362 src_map->locator_set_index);
1363 for (i = 0; i < vec_len (src_ls->locator_indices); i++)
1365 u32 li = vec_elt (src_ls->locator_indices, i);
1366 locator_t * sl = pool_elt_at_index (lcm->locator_pool, li);
1368 if (ip_addr_version(&gid_address_ip(&dl->address)) == IP4)
1371 l4 = ip_interface_get_first_ip_addres (&lcm->im4->lookup_main,
1373 1 /* unnumbered */);
1374 ip_addr_v4(&a->slocator) = *l4;
1375 ip_addr_version(&a->slocator) = IP4;
1380 l6 = ip_interface_get_first_ip_addres (&lcm->im6->lookup_main,
1382 1 /* unnumbered */);
1383 ip_addr_v6(&a->slocator) = *l6;
1384 ip_addr_version(&a->slocator) = IP6;
1388 /* insert data plane forwarding entry */
1392 a->dlocator = gid_address_ip(&dl->address);
1396 a->action = dst_map->action;
1399 gid_address_copy (&a->deid, &dst_map->eid);
1400 a->vni = 0; // XXX should be part of mapping/eid
1402 tidp = hash_get(lcm->table_id_by_vni, a->vni);
1405 clib_warning("vni %d not associated to a vrf!", a->vni);
1408 a->table_id = tidp[0];
1410 u8 ipver = ip_prefix_version(&gid_address_ippref(&a->deid));
1411 a->decap_next_index = (ipver == IP4) ?
1412 LISP_GPE_INPUT_NEXT_IP4_INPUT : LISP_GPE_INPUT_NEXT_IP6_INPUT;
1414 /* XXX tunnels work only with IP4 now */
1415 vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
1417 /* add tunnel to fwd entry table XXX check return value from DP insertion */
1419 pool_get (lcm->fwd_entry_pool, fe);
1420 fe->dst_loc = a->dlocator;
1421 fe->src_loc = a->slocator;
1422 gid_address_copy (&fe->deid, &a->deid);
1423 hash_set (lcm->fwd_entry_by_mapping_index, dst_map_index,
1424 fe - lcm->fwd_entry_pool);
1427 /* return 0 if the two locator sets are identical 1 otherwise */
1429 compare_locators (lisp_cp_main_t *lcm, u32 * old_ls_indexes,
1430 locator_t * new_locators)
1433 locator_t * old_loc, * new_loc;
1435 if (vec_len (old_ls_indexes) != vec_len(new_locators))
1438 for (i = 0; i < vec_len(new_locators); i++)
1440 old_li = vec_elt(old_ls_indexes, i);
1441 old_loc = pool_elt_at_index(lcm->locator_pool, old_li);
1443 new_loc = vec_elt_at_index(new_locators, i);
1445 if (locator_cmp (old_loc, new_loc))
1452 process_map_reply (lisp_cp_main_t * lcm, vlib_buffer_t * b)
1454 u32 len = 0, i, ls_index = 0;
1456 vnet_lisp_add_del_locator_set_args_t _ls_arg, * ls_arg = &_ls_arg;
1457 vnet_lisp_add_del_mapping_args_t _m_args, * m_args = &_m_args;
1458 pending_map_request_t * pmr;
1460 map_reply_hdr_t * mrep_hdr;
1462 u32 dst_map_index, mi;
1465 mrep_hdr = vlib_buffer_get_current (b);
1467 /* Check pending requests table and nonce */
1468 nonce = MREP_NONCE(mrep_hdr);
1469 pmr_index = hash_get(lcm->pending_map_requests_by_nonce, nonce);
1472 clib_warning("No pending map-request entry with nonce %lu!", nonce);
1475 pmr = pool_elt_at_index(lcm->pending_map_requests_pool, pmr_index[0]);
1477 vlib_buffer_pull (b, sizeof(*mrep_hdr));
1479 for (i = 0; i < MREP_REC_COUNT(mrep_hdr); i++)
1481 memset (ls_arg, 0, sizeof(*ls_arg));
1482 memset (m_args, 0, sizeof(*m_args));
1484 h = vlib_buffer_get_current (b);
1485 m_args->ttl = clib_net_to_host_u32 (MAP_REC_TTL(h));
1486 m_args->action = MAP_REC_ACTION(h);
1487 m_args->authoritative = MAP_REC_AUTH(h);
1489 len = lisp_msg_parse_mapping_record (b, &m_args->deid, &ls_arg->locators,
1493 clib_warning ("Failed to parse mapping record!");
1494 vec_free(ls_arg->locators);
1498 mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, &m_args->deid);
1500 /* if mapping already exists, decide if locators (and forwarding) should
1501 * be updated and be done */
1504 mapping_t * old_map;
1505 locator_set_t * old_ls;
1506 old_map = pool_elt_at_index(lcm->mapping_pool, mi);
1508 /* update mapping attributes */
1509 old_map->action = m_args->action;
1510 old_map->authoritative = m_args->authoritative;
1511 old_map->ttl = m_args->ttl;
1513 old_ls = pool_elt_at_index(lcm->locator_set_pool,
1514 old_map->locator_set_index);
1515 /* if the two locators are not equal, update them and forwarding
1516 * otherwise there's nothing to be done */
1517 if (compare_locators (lcm, old_ls->locator_indices, ls_arg->locators))
1519 /* set locator-set index to overwrite */
1521 ls_arg->index = old_map->locator_set_index;
1522 vnet_lisp_add_del_locator_set (ls_arg, 0);
1523 add_fwd_entry (lcm, pmr->src_mapping_index, mi);
1529 /* add locator-set */
1532 vnet_lisp_add_del_locator_set (ls_arg, &ls_index);
1536 m_args->locator_set_index = ls_index;
1537 vnet_lisp_add_del_mapping (m_args, &dst_map_index);
1539 /* add forwarding tunnel */
1540 add_fwd_entry (lcm, pmr->src_mapping_index, dst_map_index);
1542 vec_free(ls_arg->locators);
1545 /* remove pending map request entry */
1546 hash_unset(lcm->pending_map_requests_by_nonce, nonce);
1547 pool_put(lcm->pending_map_requests_pool, pmr);
1551 process_map_request (vlib_main_t * vm, lisp_cp_main_t * lcm, vlib_buffer_t * b)
1553 map_request_hdr_t * mreq_hdr;
1554 gid_address_t src, dst;
1557 gid_address_t * itr_rlocs = 0;
1559 mreq_hdr = vlib_buffer_get_current (b);
1560 vlib_buffer_pull (b, sizeof(*mreq_hdr));
1562 // nonce = MREQ_NONCE(mreq_hdr);
1564 if (!MREQ_SMR(mreq_hdr)) {
1565 clib_warning("Only SMR Map-Requests supported for now!");
1570 len = lisp_msg_parse_addr (b, &src);
1574 /* for now we don't do anything with the itr's rlocs */
1575 len = lisp_msg_parse_itr_rlocs (b, &itr_rlocs, MREQ_ITR_RLOC_COUNT(mreq_hdr) + 1);
1579 /* parse eid records and send SMR-invoked map-requests */
1580 for (i = 0; i < MREQ_REC_COUNT(mreq_hdr); i++)
1582 memset(&dst, 0, sizeof(dst));
1583 len = lisp_msg_parse_eid_rec (b, &dst);
1586 clib_warning("Can't parse map-request EID-record");
1589 /* send SMR-invoked map-requests */
1590 send_encapsulated_map_request (vm, lcm, &dst, &src, /* invoked */ 1);
1595 lisp_cp_input (vlib_main_t * vm, vlib_node_runtime_t * node,
1596 vlib_frame_t * from_frame)
1598 u32 n_left_from, * from, * to_next_drop;
1599 lisp_msg_type_e type;
1600 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
1602 from = vlib_frame_vector_args (from_frame);
1603 n_left_from = from_frame->n_vectors;
1606 while (n_left_from > 0)
1608 u32 n_left_to_next_drop;
1610 vlib_get_next_frame (vm, node, LISP_CP_INPUT_NEXT_DROP,
1611 to_next_drop, n_left_to_next_drop);
1612 while (n_left_from > 0 && n_left_to_next_drop > 0)
1620 to_next_drop[0] = bi0;
1622 n_left_to_next_drop -= 1;
1624 b0 = vlib_get_buffer (vm, bi0);
1626 type = lisp_msg_type(vlib_buffer_get_current (b0));
1629 case LISP_MAP_REPLY:
1630 process_map_reply (lcm, b0);
1632 case LISP_MAP_REQUEST:
1633 process_map_request(vm, lcm, b0);
1636 clib_warning("Unsupported LISP message type %d", type);
1640 b0->error = node->errors[LISP_CP_INPUT_ERROR_DROP];
1642 if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
1648 vlib_put_next_frame (vm, node, LISP_CP_INPUT_NEXT_DROP, n_left_to_next_drop);
1650 return from_frame->n_vectors;
1653 VLIB_REGISTER_NODE (lisp_cp_input_node) = {
1654 .function = lisp_cp_input,
1655 .name = "lisp-cp-input",
1656 .vector_size = sizeof (u32),
1657 .format_trace = format_lisp_cp_input_trace,
1658 .type = VLIB_NODE_TYPE_INTERNAL,
1660 .n_errors = LISP_CP_INPUT_N_ERROR,
1661 .error_strings = lisp_cp_input_error_strings,
1663 .n_next_nodes = LISP_CP_INPUT_N_NEXT,
1666 [LISP_CP_INPUT_NEXT_DROP] = "error-drop",
1671 lisp_cp_init (vlib_main_t *vm)
1673 lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
1674 clib_error_t * error = 0;
1676 if ((error = vlib_call_init_function (vm, lisp_gpe_init)))
1679 lcm->im4 = &ip4_main;
1680 lcm->im6 = &ip6_main;
1681 lcm->vlib_main = vm;
1682 lcm->vnet_main = vnet_get_main();
1684 gid_dictionary_init (&lcm->mapping_index_by_gid);
1685 gid_dictionary_init (&lcm->mapping_index_by_gid);
1687 /* default vrf mapped to vni 0 */
1688 hash_set(lcm->table_id_by_vni, 0, 0);
1690 udp_register_dst_port (vm, UDP_DST_PORT_lisp_cp,
1691 lisp_cp_input_node.index, 1 /* is_ip4 */);
1692 udp_register_dst_port (vm, UDP_DST_PORT_lisp_cp6,
1693 lisp_cp_input_node.index, 0 /* is_ip4 */);
1698 VLIB_INIT_FUNCTION(lisp_cp_init);