2 *------------------------------------------------------------------
3 * ip_api.c - vnet ip api
5 * Copyright (c) 2016 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
20 #include <vnet/vnet.h>
21 #include <vlibmemory/api.h>
23 #include <vnet/interface.h>
24 #include <vnet/api_errno.h>
25 #include <vnet/ethernet/ethernet.h>
26 #include <vnet/ip/ip.h>
27 #include <vnet/ip/ip6_neighbor.h>
28 #include <vnet/fib/fib_table.h>
29 #include <vnet/fib/fib_api.h>
30 #include <vnet/dpo/drop_dpo.h>
31 #include <vnet/dpo/receive_dpo.h>
32 #include <vnet/dpo/lookup_dpo.h>
33 #include <vnet/dpo/classify_dpo.h>
34 #include <vnet/dpo/ip_null_dpo.h>
35 #include <vnet/ethernet/arp_packet.h>
36 //#include <vnet/mfib/ip6_mfib.h>
37 #include <vnet/mfib/ip4_mfib.h>
38 #include <vnet/mfib/mfib_signal.h>
40 #include <vnet/vnet_msg_enum.h>
42 #define vl_typedefs /* define message structures */
43 #include <vnet/vnet_all_api_h.h>
46 #define vl_endianfun /* define message structures */
47 #include <vnet/vnet_all_api_h.h>
50 /* instantiate all the print functions we know about */
51 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
53 #include <vnet/vnet_all_api_h.h>
56 #include <vlibapi/api_helper_macros.h>
58 #define foreach_ip_api_msg \
59 _(IP_FIB_DUMP, ip_fib_dump) \
60 _(IP_FIB_DETAILS, ip_fib_details) \
61 _(IP6_FIB_DUMP, ip6_fib_dump) \
62 _(IP6_FIB_DETAILS, ip6_fib_details) \
63 _(IP_NEIGHBOR_DUMP, ip_neighbor_dump) \
64 _(IP_MROUTE_ADD_DEL, ip_mroute_add_del) \
65 _(MFIB_SIGNAL_DUMP, mfib_signal_dump) \
66 _(IP_NEIGHBOR_DETAILS, ip_neighbor_details) \
67 _(IP_ADDRESS_DUMP, ip_address_dump) \
69 _(IP_NEIGHBOR_ADD_DEL, ip_neighbor_add_del) \
70 _(IP_ADD_DEL_ROUTE, ip_add_del_route) \
71 _(SET_IP_FLOW_HASH,set_ip_flow_hash) \
72 _(SW_INTERFACE_IP6ND_RA_CONFIG, sw_interface_ip6nd_ra_config) \
73 _(SW_INTERFACE_IP6ND_RA_PREFIX, sw_interface_ip6nd_ra_prefix) \
74 _(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable ) \
75 _(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS, \
76 sw_interface_ip6_set_link_local_address)
78 extern void stats_dslock_with_hint (int hint, int tag);
79 extern void stats_dsunlock (void);
82 send_ip_neighbor_details (u8 is_ipv6,
86 unix_shared_memory_queue_t * q, u32 context)
88 vl_api_ip_neighbor_details_t *mp;
90 mp = vl_msg_api_alloc (sizeof (*mp));
91 memset (mp, 0, sizeof (*mp));
92 mp->_vl_msg_id = ntohs (VL_API_IP_NEIGHBOR_DETAILS);
93 mp->context = context;
94 mp->is_ipv6 = is_ipv6;
95 mp->is_static = is_static;
96 memcpy (mp->mac_address, mac_address, 6);
97 memcpy (mp->ip_address, ip_address, (is_ipv6) ? 16 : 4);
99 vl_msg_api_send_shmem (q, (u8 *) & mp);
103 vl_api_ip_neighbor_details_t_handler (vl_api_ip_neighbor_details_t * mp)
105 clib_warning ("BUG");
109 vl_api_ip_neighbor_dump_t_handler (vl_api_ip_neighbor_dump_t * mp)
111 unix_shared_memory_queue_t *q;
113 q = vl_api_client_index_to_input_queue (mp->client_index);
117 u32 sw_if_index = ntohl (mp->sw_if_index);
121 ip6_neighbor_t *n, *ns;
123 ns = ip6_neighbors_entries (sw_if_index);
127 send_ip_neighbor_details
128 (mp->is_ipv6, ((n->flags & IP6_NEIGHBOR_FLAG_STATIC) ? 1 : 0),
129 (u8 *) n->link_layer_address,
130 (u8 *) & (n->key.ip6_address.as_u8),
138 ethernet_arp_ip4_entry_t *n, *ns;
140 ns = ip4_neighbor_entries (sw_if_index);
144 send_ip_neighbor_details (mp->is_ipv6,
145 ((n->flags & ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC) ? 1 : 0),
146 (u8*) n->ethernet_address,
147 (u8*) & (n->ip4_address.as_u8),
157 copy_fib_next_hop (fib_route_path_encode_t * api_rpath, void *fp_arg)
160 vl_api_fib_path_t *fp = (vl_api_fib_path_t *) fp_arg;
162 if (api_rpath->rpath.frp_proto == FIB_PROTOCOL_IP4)
163 fp->afi = IP46_TYPE_IP4;
164 else if (api_rpath->rpath.frp_proto == FIB_PROTOCOL_IP6)
165 fp->afi = IP46_TYPE_IP6;
168 is_ip4 = ip46_address_is_ip4 (&api_rpath->rpath.frp_addr);
170 fp->afi = IP46_TYPE_IP4;
172 fp->afi = IP46_TYPE_IP6;
174 if (fp->afi == IP46_TYPE_IP4)
175 memcpy (fp->next_hop, &api_rpath->rpath.frp_addr.ip4,
176 sizeof (api_rpath->rpath.frp_addr.ip4));
178 memcpy (fp->next_hop, &api_rpath->rpath.frp_addr.ip6,
179 sizeof (api_rpath->rpath.frp_addr.ip6));
183 vl_api_ip_fib_details_t_handler (vl_api_ip_fib_details_t * mp)
185 clib_warning ("BUG");
189 vl_api_ip_fib_details_t_endian (vl_api_ip_fib_details_t * mp)
191 clib_warning ("BUG");
195 vl_api_ip_fib_details_t_print (vl_api_ip_fib_details_t * mp)
197 clib_warning ("BUG");
201 send_ip_fib_details (vpe_api_main_t * am,
202 unix_shared_memory_queue_t * q,
203 u32 table_id, fib_prefix_t * pfx,
204 fib_route_path_encode_t * api_rpaths, u32 context)
206 vl_api_ip_fib_details_t *mp;
207 fib_route_path_encode_t *api_rpath;
208 vl_api_fib_path_t *fp;
211 path_count = vec_len (api_rpaths);
212 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
215 memset (mp, 0, sizeof (*mp));
216 mp->_vl_msg_id = ntohs (VL_API_IP_FIB_DETAILS);
217 mp->context = context;
219 mp->table_id = htonl (table_id);
220 mp->address_length = pfx->fp_len;
221 memcpy (mp->address, &pfx->fp_addr.ip4, sizeof (pfx->fp_addr.ip4));
223 mp->count = htonl (path_count);
225 vec_foreach (api_rpath, api_rpaths)
227 memset (fp, 0, sizeof (*fp));
228 switch (api_rpath->dpo.dpoi_type)
237 switch (api_rpath->dpo.dpoi_index)
239 case IP_NULL_ACTION_NONE:
242 case IP_NULL_ACTION_SEND_ICMP_UNREACH:
243 fp->is_unreach = true;
245 case IP_NULL_ACTION_SEND_ICMP_PROHIBIT:
246 fp->is_prohibit = true;
255 fp->weight = htonl (api_rpath->rpath.frp_weight);
256 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
257 copy_fib_next_hop (api_rpath, fp);
261 vl_msg_api_send_shmem (q, (u8 *) & mp);
265 vl_api_ip_fib_dump_t_handler (vl_api_ip_fib_dump_t * mp)
267 vpe_api_main_t *am = &vpe_api_main;
268 unix_shared_memory_queue_t *q;
269 ip4_main_t *im = &ip4_main;
270 fib_table_t *fib_table;
271 fib_node_index_t lfei, *lfeip, *lfeis = NULL;
275 fib_route_path_encode_t *api_rpaths;
278 q = vl_api_client_index_to_input_queue (mp->client_index);
283 pool_foreach (fib_table, im->fibs,
285 for (i = 0; i < ARRAY_LEN (fib_table->v4.fib_entry_by_dst_address); i++)
287 hash_foreach(key, lfei, fib_table->v4.fib_entry_by_dst_address[i],
289 vec_add1(lfeis, lfei);
295 vec_sort_with_function (lfeis, fib_entry_cmp_for_sort);
297 vec_foreach (lfeip, lfeis)
299 fib_entry_get_prefix (*lfeip, &pfx);
300 fib_index = fib_entry_get_fib_index (*lfeip);
301 fib_table = fib_table_get (fib_index, pfx.fp_proto);
303 fib_entry_encode (*lfeip, &api_rpaths);
304 send_ip_fib_details (am, q,
305 fib_table->ft_table_id, &pfx, api_rpaths,
307 vec_free (api_rpaths);
314 vl_api_ip6_fib_details_t_handler (vl_api_ip6_fib_details_t * mp)
316 clib_warning ("BUG");
320 vl_api_ip6_fib_details_t_endian (vl_api_ip6_fib_details_t * mp)
322 clib_warning ("BUG");
326 vl_api_ip6_fib_details_t_print (vl_api_ip6_fib_details_t * mp)
328 clib_warning ("BUG");
332 send_ip6_fib_details (vpe_api_main_t * am,
333 unix_shared_memory_queue_t * q,
334 u32 table_id, fib_prefix_t * pfx,
335 fib_route_path_encode_t * api_rpaths, u32 context)
337 vl_api_ip6_fib_details_t *mp;
338 fib_route_path_encode_t *api_rpath;
339 vl_api_fib_path_t *fp;
342 path_count = vec_len (api_rpaths);
343 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
346 memset (mp, 0, sizeof (*mp));
347 mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS);
348 mp->context = context;
350 mp->table_id = htonl (table_id);
351 mp->address_length = pfx->fp_len;
352 memcpy (mp->address, &pfx->fp_addr.ip6, sizeof (pfx->fp_addr.ip6));
354 mp->count = htonl (path_count);
356 vec_foreach (api_rpath, api_rpaths)
358 memset (fp, 0, sizeof (*fp));
359 switch (api_rpath->dpo.dpoi_type)
368 switch (api_rpath->dpo.dpoi_index)
370 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_NONE:
373 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_UNREACH:
374 fp->is_unreach = true;
376 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_PROHIBIT:
377 fp->is_prohibit = true;
386 fp->weight = htonl (api_rpath->rpath.frp_weight);
387 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
388 copy_fib_next_hop (api_rpath, fp);
392 vl_msg_api_send_shmem (q, (u8 *) & mp);
395 typedef struct apt_ip6_fib_show_ctx_t_
398 fib_node_index_t *entries;
399 } api_ip6_fib_show_ctx_t;
402 api_ip6_fib_table_put_entries (clib_bihash_kv_24_8_t * kvp, void *arg)
404 api_ip6_fib_show_ctx_t *ctx = arg;
406 if ((kvp->key[2] >> 32) == ctx->fib_index)
408 vec_add1 (ctx->entries, kvp->value);
413 api_ip6_fib_table_get_all (unix_shared_memory_queue_t * q,
414 vl_api_ip6_fib_dump_t * mp,
415 fib_table_t * fib_table)
417 vpe_api_main_t *am = &vpe_api_main;
418 ip6_main_t *im6 = &ip6_main;
419 ip6_fib_t *fib = &fib_table->v6;
420 fib_node_index_t *fib_entry_index;
421 api_ip6_fib_show_ctx_t ctx = {
422 .fib_index = fib->index,.entries = NULL,
424 fib_route_path_encode_t *api_rpaths;
427 BV (clib_bihash_foreach_key_value_pair)
428 ((BVT (clib_bihash) *) & im6->ip6_table[IP6_FIB_TABLE_NON_FWDING].
429 ip6_hash, api_ip6_fib_table_put_entries, &ctx);
431 vec_sort_with_function (ctx.entries, fib_entry_cmp_for_sort);
433 vec_foreach (fib_entry_index, ctx.entries)
435 fib_entry_get_prefix (*fib_entry_index, &pfx);
437 fib_entry_encode (*fib_entry_index, &api_rpaths);
438 send_ip6_fib_details (am, q,
439 fib_table->ft_table_id,
440 &pfx, api_rpaths, mp->context);
441 vec_free (api_rpaths);
444 vec_free (ctx.entries);
448 vl_api_ip6_fib_dump_t_handler (vl_api_ip6_fib_dump_t * mp)
450 unix_shared_memory_queue_t *q;
451 ip6_main_t *im6 = &ip6_main;
452 fib_table_t *fib_table;
454 q = vl_api_client_index_to_input_queue (mp->client_index);
459 pool_foreach (fib_table, im6->fibs,
461 api_ip6_fib_table_get_all(q, mp, fib_table);
467 vl_api_ip_neighbor_add_del_t_handler (vl_api_ip_neighbor_add_del_t * mp,
470 vl_api_ip_neighbor_add_del_reply_t *rmp;
471 vnet_main_t *vnm = vnet_get_main ();
474 VALIDATE_SW_IF_INDEX (mp);
476 stats_dslock_with_hint (1 /* release hint */ , 7 /* tag */ );
479 * there's no validation here of the ND/ARP entry being added.
480 * The expectation is that the FIB will ensure that nothing bad
481 * will come of adding bogus entries.
486 rv = vnet_set_ip6_ethernet_neighbor
487 (vm, ntohl (mp->sw_if_index),
488 (ip6_address_t *) (mp->dst_address),
489 mp->mac_address, sizeof (mp->mac_address), mp->is_static);
491 rv = vnet_unset_ip6_ethernet_neighbor
492 (vm, ntohl (mp->sw_if_index),
493 (ip6_address_t *) (mp->dst_address),
494 mp->mac_address, sizeof (mp->mac_address));
498 ethernet_arp_ip4_over_ethernet_address_t a;
500 clib_memcpy (&a.ethernet, mp->mac_address, 6);
501 clib_memcpy (&a.ip4, mp->dst_address, 4);
504 rv = vnet_arp_set_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index),
508 vnet_arp_unset_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index), &a);
511 BAD_SW_IF_INDEX_LABEL;
514 REPLY_MACRO (VL_API_IP_NEIGHBOR_ADD_DEL_REPLY);
518 add_del_route_t_handler (u8 is_multipath,
525 u32 classify_table_index,
527 u8 is_resolve_attached,
529 const fib_prefix_t * prefix,
530 u8 next_hop_proto_is_ip4,
531 const ip46_address_t * next_hop,
532 u32 next_hop_sw_if_index,
533 u8 next_hop_fib_index,
535 mpls_label_t next_hop_via_label,
536 mpls_label_t * next_hop_out_label_stack)
538 vnet_classify_main_t *cm = &vnet_classify_main;
539 fib_route_path_flags_t path_flags = FIB_ROUTE_PATH_FLAG_NONE;
540 fib_route_path_t path = {
541 .frp_proto = (next_hop_proto_is_ip4 ?
542 FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6),
543 .frp_addr = (NULL == next_hop ? zero_addr : *next_hop),
544 .frp_sw_if_index = next_hop_sw_if_index,
545 .frp_fib_index = next_hop_fib_index,
546 .frp_weight = next_hop_weight,
547 .frp_label_stack = next_hop_out_label_stack,
549 fib_route_path_t *paths = NULL;
551 if (MPLS_LABEL_INVALID != next_hop_via_label)
553 path.frp_proto = FIB_PROTOCOL_MPLS;
554 path.frp_local_label = next_hop_via_label;
557 path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_HOST;
558 if (is_resolve_attached)
559 path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED;
561 path.frp_flags = path_flags;
565 stats_dslock_with_hint (1 /* release hint */ , 10 /* tag */ );
568 vec_add1 (paths, path);
571 fib_table_entry_path_add2 (fib_index,
574 FIB_ENTRY_FLAG_NONE, paths);
576 fib_table_entry_path_remove2 (fib_index,
577 prefix, FIB_SOURCE_API, paths);
584 stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
586 if (is_drop || is_local || is_classify || is_unreach || is_prohibit)
589 * special route types that link directly to the adj
593 dpo_id_t dpo = DPO_INVALID;
596 dproto = fib_proto_to_dpo (prefix->fp_proto);
599 ip_null_dpo_add_and_lock (dproto, IP_NULL_ACTION_NONE, &dpo);
601 receive_dpo_add_or_lock (dproto, ~0, NULL, &dpo);
603 ip_null_dpo_add_and_lock (dproto,
604 IP_NULL_ACTION_SEND_ICMP_UNREACH, &dpo);
605 else if (is_prohibit)
606 ip_null_dpo_add_and_lock (dproto,
607 IP_NULL_ACTION_SEND_ICMP_PROHIBIT,
609 else if (is_classify)
611 if (pool_is_free_index (cm->tables,
612 ntohl (classify_table_index)))
615 return VNET_API_ERROR_NO_SUCH_TABLE;
618 dpo_set (&dpo, DPO_CLASSIFY, dproto,
619 classify_dpo_create (dproto,
620 ntohl (classify_table_index)));
625 return VNET_API_ERROR_NO_SUCH_TABLE;
628 fib_table_entry_special_dpo_update (fib_index,
631 FIB_ENTRY_FLAG_EXCLUSIVE, &dpo);
636 fib_table_entry_special_remove (fib_index, prefix, FIB_SOURCE_API);
643 vec_add1 (paths, path);
644 fib_table_entry_update (fib_index,
646 FIB_SOURCE_API, FIB_ENTRY_FLAG_NONE, paths);
651 fib_table_entry_delete (fib_index, prefix, FIB_SOURCE_API);
660 add_del_route_check (fib_protocol_t table_proto,
662 u32 next_hop_sw_if_index,
663 fib_protocol_t next_hop_table_proto,
664 u32 next_hop_table_id,
665 u8 create_missing_tables,
666 u32 * fib_index, u32 * next_hop_fib_index)
668 vnet_main_t *vnm = vnet_get_main ();
670 *fib_index = fib_table_find (table_proto, ntohl (table_id));
671 if (~0 == *fib_index)
673 if (create_missing_tables)
675 *fib_index = fib_table_find_or_create_and_lock (table_proto,
680 /* No such VRF, and we weren't asked to create one */
681 return VNET_API_ERROR_NO_SUCH_FIB;
685 if (~0 != ntohl (next_hop_sw_if_index))
687 if (pool_is_free_index (vnm->interface_main.sw_interfaces,
688 ntohl (next_hop_sw_if_index)))
690 return VNET_API_ERROR_NO_MATCHING_INTERFACE;
695 *next_hop_fib_index = fib_table_find (next_hop_table_proto,
696 ntohl (next_hop_table_id));
698 if (~0 == *next_hop_fib_index)
700 if (create_missing_tables)
702 *next_hop_fib_index =
703 fib_table_find_or_create_and_lock (next_hop_table_proto,
704 ntohl (next_hop_table_id));
708 /* No such VRF, and we weren't asked to create one */
709 return VNET_API_ERROR_NO_SUCH_FIB;
718 ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
720 u32 fib_index, next_hop_fib_index;
721 mpls_label_t *label_stack = NULL;
722 int rv, ii, n_labels;;
724 rv = add_del_route_check (FIB_PROTOCOL_IP4,
726 mp->next_hop_sw_if_index,
728 mp->next_hop_table_id,
729 mp->create_vrf_if_needed,
730 &fib_index, &next_hop_fib_index);
736 .fp_len = mp->dst_address_length,
737 .fp_proto = FIB_PROTOCOL_IP4,
739 clib_memcpy (&pfx.fp_addr.ip4, mp->dst_address, sizeof (pfx.fp_addr.ip4));
742 memset (&nh, 0, sizeof (nh));
743 memcpy (&nh.ip4, mp->next_hop_address, sizeof (nh.ip4));
745 n_labels = mp->next_hop_n_out_labels;
748 else if (1 == n_labels)
749 vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0]));
752 vec_validate (label_stack, n_labels - 1);
753 for (ii = 0; ii < n_labels; ii++)
754 label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]);
757 return (add_del_route_t_handler (mp->is_multipath,
764 mp->classify_table_index,
766 mp->is_resolve_attached,
769 ntohl (mp->next_hop_sw_if_index),
772 ntohl (mp->next_hop_via_label),
777 ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
779 u32 fib_index, next_hop_fib_index;
780 mpls_label_t *label_stack = NULL;
781 int rv, ii, n_labels;;
783 rv = add_del_route_check (FIB_PROTOCOL_IP6,
785 mp->next_hop_sw_if_index,
787 mp->next_hop_table_id,
788 mp->create_vrf_if_needed,
789 &fib_index, &next_hop_fib_index);
795 .fp_len = mp->dst_address_length,
796 .fp_proto = FIB_PROTOCOL_IP6,
798 clib_memcpy (&pfx.fp_addr.ip6, mp->dst_address, sizeof (pfx.fp_addr.ip6));
801 memset (&nh, 0, sizeof (nh));
802 memcpy (&nh.ip6, mp->next_hop_address, sizeof (nh.ip6));
804 n_labels = mp->next_hop_n_out_labels;
807 else if (1 == n_labels)
808 vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0]));
811 vec_validate (label_stack, n_labels - 1);
812 for (ii = 0; ii < n_labels; ii++)
813 label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]);
816 return (add_del_route_t_handler (mp->is_multipath,
823 mp->classify_table_index,
825 mp->is_resolve_attached,
827 &nh, ntohl (mp->next_hop_sw_if_index),
830 ntohl (mp->next_hop_via_label),
835 vl_api_ip_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
837 vl_api_ip_add_del_route_reply_t *rmp;
839 vnet_main_t *vnm = vnet_get_main ();
844 rv = ip6_add_del_route_t_handler (mp);
846 rv = ip4_add_del_route_t_handler (mp);
848 rv = (rv == 0) ? vnm->api_errno : rv;
850 REPLY_MACRO (VL_API_IP_ADD_DEL_ROUTE_REPLY);
854 add_del_mroute_check (fib_protocol_t table_proto,
856 u32 next_hop_sw_if_index,
857 u8 is_local, u8 create_missing_tables, u32 * fib_index)
859 vnet_main_t *vnm = vnet_get_main ();
861 *fib_index = mfib_table_find (table_proto, ntohl (table_id));
862 if (~0 == *fib_index)
864 if (create_missing_tables)
866 *fib_index = mfib_table_find_or_create_and_lock (table_proto,
871 /* No such VRF, and we weren't asked to create one */
872 return VNET_API_ERROR_NO_SUCH_FIB;
876 if (~0 != ntohl (next_hop_sw_if_index))
878 if (pool_is_free_index (vnm->interface_main.sw_interfaces,
879 ntohl (next_hop_sw_if_index)))
881 return VNET_API_ERROR_NO_MATCHING_INTERFACE;
889 mroute_add_del_handler (u8 is_add,
892 const mfib_prefix_t * prefix,
894 u32 next_hop_sw_if_index, u32 itf_flags)
896 stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
898 fib_route_path_t path = {
899 .frp_sw_if_index = next_hop_sw_if_index,
900 .frp_proto = prefix->fp_proto,
904 path.frp_flags |= FIB_ROUTE_PATH_LOCAL;
907 if (!is_local && ~0 == next_hop_sw_if_index)
909 mfib_table_entry_update (fib_index, prefix,
910 MFIB_SOURCE_API, entry_flags);
916 mfib_table_entry_path_update (fib_index, prefix,
917 MFIB_SOURCE_API, &path, itf_flags);
921 mfib_table_entry_path_remove (fib_index, prefix,
922 MFIB_SOURCE_API, &path);
931 api_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
933 fib_protocol_t fproto;
937 fproto = (mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
938 rv = add_del_mroute_check (fproto,
940 mp->next_hop_sw_if_index,
942 mp->create_vrf_if_needed, &fib_index);
947 mfib_prefix_t pfx = {
948 .fp_len = ntohs (mp->grp_address_length),
952 if (FIB_PROTOCOL_IP4 == fproto)
954 clib_memcpy (&pfx.fp_grp_addr.ip4, mp->grp_address,
955 sizeof (pfx.fp_grp_addr.ip4));
956 clib_memcpy (&pfx.fp_src_addr.ip4, mp->src_address,
957 sizeof (pfx.fp_src_addr.ip4));
961 clib_memcpy (&pfx.fp_grp_addr.ip6, mp->grp_address,
962 sizeof (pfx.fp_grp_addr.ip6));
963 clib_memcpy (&pfx.fp_src_addr.ip6, mp->src_address,
964 sizeof (pfx.fp_src_addr.ip6));
967 return (mroute_add_del_handler (mp->is_add,
970 ntohl (mp->entry_flags),
971 ntohl (mp->next_hop_sw_if_index),
972 ntohl (mp->itf_flags)));
976 vl_api_ip_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
978 vl_api_ip_mroute_add_del_reply_t *rmp;
980 vnet_main_t *vnm = vnet_get_main ();
984 rv = api_mroute_add_del_t_handler (mp);
986 rv = (rv == 0) ? vnm->api_errno : rv;
988 REPLY_MACRO (VL_API_IP_MROUTE_ADD_DEL_REPLY);
992 send_ip_details (vpe_api_main_t * am,
993 unix_shared_memory_queue_t * q, u32 sw_if_index,
994 u8 is_ipv6, u32 context)
996 vl_api_ip_details_t *mp;
998 mp = vl_msg_api_alloc (sizeof (*mp));
999 memset (mp, 0, sizeof (*mp));
1000 mp->_vl_msg_id = ntohs (VL_API_IP_DETAILS);
1002 mp->sw_if_index = ntohl (sw_if_index);
1003 mp->is_ipv6 = is_ipv6;
1004 mp->context = context;
1006 vl_msg_api_send_shmem (q, (u8 *) & mp);
1010 send_ip_address_details (vpe_api_main_t * am,
1011 unix_shared_memory_queue_t * q,
1012 u8 * ip, u16 prefix_length,
1013 u32 sw_if_index, u8 is_ipv6, u32 context)
1015 vl_api_ip_address_details_t *mp;
1017 mp = vl_msg_api_alloc (sizeof (*mp));
1018 memset (mp, 0, sizeof (*mp));
1019 mp->_vl_msg_id = ntohs (VL_API_IP_ADDRESS_DETAILS);
1023 clib_memcpy (&mp->ip, ip, sizeof (mp->ip));
1027 u32 *tp = (u32 *) mp->ip;
1030 mp->prefix_length = prefix_length;
1031 mp->context = context;
1032 mp->sw_if_index = htonl (sw_if_index);
1033 mp->is_ipv6 = is_ipv6;
1035 vl_msg_api_send_shmem (q, (u8 *) & mp);
1039 vl_api_ip_address_dump_t_handler (vl_api_ip_address_dump_t * mp)
1041 vpe_api_main_t *am = &vpe_api_main;
1042 unix_shared_memory_queue_t *q;
1045 ip6_main_t *im6 = &ip6_main;
1046 ip4_main_t *im4 = &ip4_main;
1047 ip_lookup_main_t *lm6 = &im6->lookup_main;
1048 ip_lookup_main_t *lm4 = &im4->lookup_main;
1049 ip_interface_address_t *ia = 0;
1050 u32 sw_if_index = ~0;
1051 int rv __attribute__ ((unused)) = 0;
1053 VALIDATE_SW_IF_INDEX (mp);
1055 sw_if_index = ntohl (mp->sw_if_index);
1057 q = vl_api_client_index_to_input_queue (mp->client_index);
1064 foreach_ip_interface_address (lm6, ia, sw_if_index,
1065 1 /* honor unnumbered */,
1067 r6 = ip_interface_address_get_address (lm6, ia);
1068 u16 prefix_length = ia->address_length;
1069 send_ip_address_details(am, q, (u8*)r6, prefix_length,
1070 sw_if_index, 1, mp->context);
1077 foreach_ip_interface_address (lm4, ia, sw_if_index,
1078 1 /* honor unnumbered */,
1080 r4 = ip_interface_address_get_address (lm4, ia);
1081 u16 prefix_length = ia->address_length;
1082 send_ip_address_details(am, q, (u8*)r4, prefix_length,
1083 sw_if_index, 0, mp->context);
1087 BAD_SW_IF_INDEX_LABEL;
1091 vl_api_ip_dump_t_handler (vl_api_ip_dump_t * mp)
1093 vpe_api_main_t *am = &vpe_api_main;
1094 vnet_main_t *vnm = vnet_get_main ();
1095 vlib_main_t *vm = vlib_get_main ();
1096 vnet_interface_main_t *im = &vnm->interface_main;
1097 unix_shared_memory_queue_t *q;
1098 vnet_sw_interface_t *si, *sorted_sis;
1099 u32 sw_if_index = ~0;
1101 q = vl_api_client_index_to_input_queue (mp->client_index);
1107 /* Gather interfaces. */
1108 sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces));
1109 _vec_len (sorted_sis) = 0;
1111 pool_foreach (si, im->sw_interfaces,
1113 vec_add1 (sorted_sis, si[0]);
1117 vec_foreach (si, sorted_sis)
1119 if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1121 if (mp->is_ipv6 && !ip6_interface_enabled (vm, si->sw_if_index))
1125 sw_if_index = si->sw_if_index;
1126 send_ip_details (am, q, sw_if_index, mp->is_ipv6, mp->context);
1132 set_ip6_flow_hash (vl_api_set_ip_flow_hash_t * mp)
1134 vl_api_set_ip_flow_hash_reply_t *rmp;
1135 int rv = VNET_API_ERROR_UNIMPLEMENTED;
1137 clib_warning ("unimplemented...");
1139 REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
1143 set_ip4_flow_hash (vl_api_set_ip_flow_hash_t * mp)
1145 vl_api_set_ip_flow_hash_reply_t *rmp;
1148 flow_hash_config_t flow_hash_config = 0;
1150 table_id = ntohl (mp->vrf_id);
1152 #define _(a,b) if (mp->a) flow_hash_config |= b;
1153 foreach_flow_hash_bit;
1156 rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
1158 REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
1163 vl_api_set_ip_flow_hash_t_handler (vl_api_set_ip_flow_hash_t * mp)
1165 if (mp->is_ipv6 == 0)
1166 set_ip4_flow_hash (mp);
1168 set_ip6_flow_hash (mp);
1172 vl_api_sw_interface_ip6nd_ra_config_t_handler
1173 (vl_api_sw_interface_ip6nd_ra_config_t * mp)
1175 vl_api_sw_interface_ip6nd_ra_config_reply_t *rmp;
1176 vlib_main_t *vm = vlib_get_main ();
1178 u8 is_no, suppress, managed, other, ll_option, send_unicast, cease,
1181 is_no = mp->is_no == 1;
1182 suppress = mp->suppress == 1;
1183 managed = mp->managed == 1;
1184 other = mp->other == 1;
1185 ll_option = mp->ll_option == 1;
1186 send_unicast = mp->send_unicast == 1;
1187 cease = mp->cease == 1;
1188 default_router = mp->default_router == 1;
1190 VALIDATE_SW_IF_INDEX (mp);
1192 rv = ip6_neighbor_ra_config (vm, ntohl (mp->sw_if_index),
1193 suppress, managed, other,
1194 ll_option, send_unicast, cease,
1195 default_router, ntohl (mp->lifetime),
1196 ntohl (mp->initial_count),
1197 ntohl (mp->initial_interval),
1198 ntohl (mp->max_interval),
1199 ntohl (mp->min_interval), is_no);
1201 BAD_SW_IF_INDEX_LABEL;
1203 REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_CONFIG_REPLY);
1207 vl_api_sw_interface_ip6nd_ra_prefix_t_handler
1208 (vl_api_sw_interface_ip6nd_ra_prefix_t * mp)
1210 vlib_main_t *vm = vlib_get_main ();
1211 vl_api_sw_interface_ip6nd_ra_prefix_reply_t *rmp;
1213 u8 is_no, use_default, no_advertise, off_link, no_autoconfig, no_onlink;
1215 VALIDATE_SW_IF_INDEX (mp);
1217 is_no = mp->is_no == 1;
1218 use_default = mp->use_default == 1;
1219 no_advertise = mp->no_advertise == 1;
1220 off_link = mp->off_link == 1;
1221 no_autoconfig = mp->no_autoconfig == 1;
1222 no_onlink = mp->no_onlink == 1;
1224 rv = ip6_neighbor_ra_prefix (vm, ntohl (mp->sw_if_index),
1225 (ip6_address_t *) mp->address,
1226 mp->address_length, use_default,
1227 ntohl (mp->val_lifetime),
1228 ntohl (mp->pref_lifetime), no_advertise,
1229 off_link, no_autoconfig, no_onlink, is_no);
1231 BAD_SW_IF_INDEX_LABEL;
1232 REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_PREFIX_REPLY);
1236 vl_api_sw_interface_ip6_enable_disable_t_handler
1237 (vl_api_sw_interface_ip6_enable_disable_t * mp)
1239 vlib_main_t *vm = vlib_get_main ();
1240 vl_api_sw_interface_ip6_enable_disable_reply_t *rmp;
1241 vnet_main_t *vnm = vnet_get_main ();
1243 clib_error_t *error;
1247 VALIDATE_SW_IF_INDEX (mp);
1250 (mp->enable == 1) ? enable_ip6_interface (vm,
1251 ntohl (mp->sw_if_index)) :
1252 disable_ip6_interface (vm, ntohl (mp->sw_if_index));
1256 clib_error_report (error);
1257 rv = VNET_API_ERROR_UNSPECIFIED;
1261 rv = vnm->api_errno;
1264 BAD_SW_IF_INDEX_LABEL;
1266 REPLY_MACRO (VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY);
1270 vl_api_sw_interface_ip6_set_link_local_address_t_handler
1271 (vl_api_sw_interface_ip6_set_link_local_address_t * mp)
1273 vlib_main_t *vm = vlib_get_main ();
1274 vl_api_sw_interface_ip6_set_link_local_address_reply_t *rmp;
1276 clib_error_t *error;
1277 vnet_main_t *vnm = vnet_get_main ();
1281 VALIDATE_SW_IF_INDEX (mp);
1283 error = set_ip6_link_local_address (vm,
1284 ntohl (mp->sw_if_index),
1285 (ip6_address_t *) mp->address);
1288 clib_error_report (error);
1289 rv = VNET_API_ERROR_UNSPECIFIED;
1293 rv = vnm->api_errno;
1296 BAD_SW_IF_INDEX_LABEL;
1298 REPLY_MACRO (VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_REPLY);
1302 vl_mfib_signal_send_one (unix_shared_memory_queue_t * q,
1303 u32 context, const mfib_signal_t * mfs)
1305 vl_api_mfib_signal_details_t *mp;
1306 mfib_prefix_t prefix;
1310 mp = vl_msg_api_alloc (sizeof (*mp));
1312 memset (mp, 0, sizeof (*mp));
1313 mp->_vl_msg_id = ntohs (VL_API_MFIB_SIGNAL_DETAILS);
1314 mp->context = context;
1316 mfi = mfib_itf_get (mfs->mfs_itf);
1317 mfib_entry_get_prefix (mfs->mfs_entry, &prefix);
1318 mfib = mfib_table_get (mfib_entry_get_fib_index (mfs->mfs_entry),
1320 mp->table_id = ntohl (mfib->mft_table_id);
1321 mp->sw_if_index = ntohl (mfi->mfi_sw_if_index);
1323 if (FIB_PROTOCOL_IP4 == prefix.fp_proto)
1325 mp->grp_address_len = ntohs (prefix.fp_len);
1327 memcpy (mp->grp_address, &prefix.fp_grp_addr.ip4, 4);
1328 if (prefix.fp_len > 32)
1330 memcpy (mp->src_address, &prefix.fp_src_addr.ip4, 4);
1335 mp->grp_address_len = ntohs (prefix.fp_len);
1340 if (0 != mfs->mfs_buffer_len)
1342 mp->ip_packet_len = ntohs (mfs->mfs_buffer_len);
1344 memcpy (mp->ip_packet_data, mfs->mfs_buffer, mfs->mfs_buffer_len);
1348 mp->ip_packet_len = 0;
1351 vl_msg_api_send_shmem (q, (u8 *) & mp);
1355 vl_api_mfib_signal_dump_t_handler (vl_api_mfib_signal_dump_t * mp)
1357 unix_shared_memory_queue_t *q;
1359 q = vl_api_client_index_to_input_queue (mp->client_index);
1365 while (q->cursize < q->maxsize && mfib_signal_send_one (q, mp->context))
1369 #define vl_msg_name_crc_list
1370 #include <vnet/ip/ip.api.h>
1371 #undef vl_msg_name_crc_list
1374 setup_message_id_table (api_main_t * am)
1376 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1377 foreach_vl_msg_name_crc_ip;
1381 static clib_error_t *
1382 ip_api_hookup (vlib_main_t * vm)
1384 api_main_t *am = &api_main;
1387 vl_msg_api_set_handlers(VL_API_##N, #n, \
1388 vl_api_##n##_t_handler, \
1390 vl_api_##n##_t_endian, \
1391 vl_api_##n##_t_print, \
1392 sizeof(vl_api_##n##_t), 1);
1397 * Set up the (msg_name, crc, message-id) table
1399 setup_message_id_table (am);
1404 VLIB_API_INIT_FUNCTION (ip_api_hookup);
1407 * fd.io coding-style-patch-verification: ON
1410 * eval: (c-set-style "gnu")