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>
39 #include <vnet/mfib/mfib_entry.h>
41 #include <vnet/vnet_msg_enum.h>
43 #define vl_typedefs /* define message structures */
44 #include <vnet/vnet_all_api_h.h>
47 #define vl_endianfun /* define message structures */
48 #include <vnet/vnet_all_api_h.h>
51 /* instantiate all the print functions we know about */
52 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
54 #include <vnet/vnet_all_api_h.h>
57 #include <vlibapi/api_helper_macros.h>
60 #define foreach_ip_api_msg \
61 _(IP_FIB_DUMP, ip_fib_dump) \
62 _(IP6_FIB_DUMP, ip6_fib_dump) \
63 _(IP_MFIB_DUMP, ip_mfib_dump) \
64 _(IP6_MFIB_DUMP, ip6_mfib_dump) \
65 _(IP_NEIGHBOR_DUMP, ip_neighbor_dump) \
66 _(IP_MROUTE_ADD_DEL, ip_mroute_add_del) \
67 _(MFIB_SIGNAL_DUMP, mfib_signal_dump) \
68 _(IP_ADDRESS_DUMP, ip_address_dump) \
70 _(IP_NEIGHBOR_ADD_DEL, ip_neighbor_add_del) \
71 _(IP_ADD_DEL_ROUTE, ip_add_del_route) \
72 _(SET_IP_FLOW_HASH,set_ip_flow_hash) \
73 _(SW_INTERFACE_IP6ND_RA_CONFIG, sw_interface_ip6nd_ra_config) \
74 _(SW_INTERFACE_IP6ND_RA_PREFIX, sw_interface_ip6nd_ra_prefix) \
75 _(IP6ND_PROXY_ADD_DEL, ip6nd_proxy_add_del) \
76 _(IP6ND_PROXY_DUMP, ip6nd_proxy_dump) \
77 _(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable ) \
78 _(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS, \
79 sw_interface_ip6_set_link_local_address)
81 extern void stats_dslock_with_hint (int hint, int tag);
82 extern void stats_dsunlock (void);
85 send_ip_neighbor_details (u8 is_ipv6,
89 unix_shared_memory_queue_t * q, u32 context)
91 vl_api_ip_neighbor_details_t *mp;
93 mp = vl_msg_api_alloc (sizeof (*mp));
94 memset (mp, 0, sizeof (*mp));
95 mp->_vl_msg_id = ntohs (VL_API_IP_NEIGHBOR_DETAILS);
96 mp->context = context;
97 mp->is_ipv6 = is_ipv6;
98 mp->is_static = is_static;
99 memcpy (mp->mac_address, mac_address, 6);
100 memcpy (mp->ip_address, ip_address, (is_ipv6) ? 16 : 4);
102 vl_msg_api_send_shmem (q, (u8 *) & mp);
106 vl_api_ip_neighbor_dump_t_handler (vl_api_ip_neighbor_dump_t * mp)
108 unix_shared_memory_queue_t *q;
110 q = vl_api_client_index_to_input_queue (mp->client_index);
114 u32 sw_if_index = ntohl (mp->sw_if_index);
118 ip6_neighbor_t *n, *ns;
120 ns = ip6_neighbors_entries (sw_if_index);
124 send_ip_neighbor_details
125 (mp->is_ipv6, ((n->flags & IP6_NEIGHBOR_FLAG_STATIC) ? 1 : 0),
126 (u8 *) n->link_layer_address,
127 (u8 *) & (n->key.ip6_address.as_u8),
135 ethernet_arp_ip4_entry_t *n, *ns;
137 ns = ip4_neighbor_entries (sw_if_index);
141 send_ip_neighbor_details (mp->is_ipv6,
142 ((n->flags & ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC) ? 1 : 0),
143 (u8*) n->ethernet_address,
144 (u8*) & (n->ip4_address.as_u8),
154 copy_fib_next_hop (fib_route_path_encode_t * api_rpath, void *fp_arg)
157 vl_api_fib_path_t *fp = (vl_api_fib_path_t *) fp_arg;
159 if (api_rpath->rpath.frp_proto == FIB_PROTOCOL_IP4)
160 fp->afi = IP46_TYPE_IP4;
161 else if (api_rpath->rpath.frp_proto == FIB_PROTOCOL_IP6)
162 fp->afi = IP46_TYPE_IP6;
165 is_ip4 = ip46_address_is_ip4 (&api_rpath->rpath.frp_addr);
167 fp->afi = IP46_TYPE_IP4;
169 fp->afi = IP46_TYPE_IP6;
171 if (fp->afi == IP46_TYPE_IP4)
172 memcpy (fp->next_hop, &api_rpath->rpath.frp_addr.ip4,
173 sizeof (api_rpath->rpath.frp_addr.ip4));
175 memcpy (fp->next_hop, &api_rpath->rpath.frp_addr.ip6,
176 sizeof (api_rpath->rpath.frp_addr.ip6));
180 send_ip_fib_details (vpe_api_main_t * am,
181 unix_shared_memory_queue_t * q,
182 u32 table_id, fib_prefix_t * pfx,
183 fib_route_path_encode_t * api_rpaths, u32 context)
185 vl_api_ip_fib_details_t *mp;
186 fib_route_path_encode_t *api_rpath;
187 vl_api_fib_path_t *fp;
190 path_count = vec_len (api_rpaths);
191 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
194 memset (mp, 0, sizeof (*mp));
195 mp->_vl_msg_id = ntohs (VL_API_IP_FIB_DETAILS);
196 mp->context = context;
198 mp->table_id = htonl (table_id);
199 mp->address_length = pfx->fp_len;
200 memcpy (mp->address, &pfx->fp_addr.ip4, sizeof (pfx->fp_addr.ip4));
202 mp->count = htonl (path_count);
204 vec_foreach (api_rpath, api_rpaths)
206 memset (fp, 0, sizeof (*fp));
207 switch (api_rpath->dpo.dpoi_type)
216 switch (api_rpath->dpo.dpoi_index)
218 case IP_NULL_ACTION_NONE:
221 case IP_NULL_ACTION_SEND_ICMP_UNREACH:
222 fp->is_unreach = true;
224 case IP_NULL_ACTION_SEND_ICMP_PROHIBIT:
225 fp->is_prohibit = true;
234 fp->weight = htonl (api_rpath->rpath.frp_weight);
235 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
236 copy_fib_next_hop (api_rpath, fp);
240 vl_msg_api_send_shmem (q, (u8 *) & mp);
244 vl_api_ip_fib_dump_t_handler (vl_api_ip_fib_dump_t * mp)
246 vpe_api_main_t *am = &vpe_api_main;
247 unix_shared_memory_queue_t *q;
248 ip4_main_t *im = &ip4_main;
249 fib_table_t *fib_table;
250 fib_node_index_t lfei, *lfeip, *lfeis = NULL;
254 fib_route_path_encode_t *api_rpaths;
257 q = vl_api_client_index_to_input_queue (mp->client_index);
262 pool_foreach (fib_table, im->fibs,
264 for (i = 0; i < ARRAY_LEN (fib_table->v4.fib_entry_by_dst_address); i++)
266 hash_foreach(key, lfei, fib_table->v4.fib_entry_by_dst_address[i],
268 vec_add1(lfeis, lfei);
274 vec_sort_with_function (lfeis, fib_entry_cmp_for_sort);
276 vec_foreach (lfeip, lfeis)
278 fib_entry_get_prefix (*lfeip, &pfx);
279 fib_index = fib_entry_get_fib_index (*lfeip);
280 fib_table = fib_table_get (fib_index, pfx.fp_proto);
282 fib_entry_encode (*lfeip, &api_rpaths);
283 send_ip_fib_details (am, q,
284 fib_table->ft_table_id, &pfx, api_rpaths,
286 vec_free (api_rpaths);
293 send_ip6_fib_details (vpe_api_main_t * am,
294 unix_shared_memory_queue_t * q,
295 u32 table_id, fib_prefix_t * pfx,
296 fib_route_path_encode_t * api_rpaths, u32 context)
298 vl_api_ip6_fib_details_t *mp;
299 fib_route_path_encode_t *api_rpath;
300 vl_api_fib_path_t *fp;
303 path_count = vec_len (api_rpaths);
304 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
307 memset (mp, 0, sizeof (*mp));
308 mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS);
309 mp->context = context;
311 mp->table_id = htonl (table_id);
312 mp->address_length = pfx->fp_len;
313 memcpy (mp->address, &pfx->fp_addr.ip6, sizeof (pfx->fp_addr.ip6));
315 mp->count = htonl (path_count);
317 vec_foreach (api_rpath, api_rpaths)
319 memset (fp, 0, sizeof (*fp));
320 switch (api_rpath->dpo.dpoi_type)
329 switch (api_rpath->dpo.dpoi_index)
331 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_NONE:
334 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_UNREACH:
335 fp->is_unreach = true;
337 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_PROHIBIT:
338 fp->is_prohibit = true;
347 fp->weight = htonl (api_rpath->rpath.frp_weight);
348 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
349 copy_fib_next_hop (api_rpath, fp);
353 vl_msg_api_send_shmem (q, (u8 *) & mp);
356 typedef struct apt_ip6_fib_show_ctx_t_
359 fib_node_index_t *entries;
360 } api_ip6_fib_show_ctx_t;
363 api_ip6_fib_table_put_entries (clib_bihash_kv_24_8_t * kvp, void *arg)
365 api_ip6_fib_show_ctx_t *ctx = arg;
367 if ((kvp->key[2] >> 32) == ctx->fib_index)
369 vec_add1 (ctx->entries, kvp->value);
374 api_ip6_fib_table_get_all (unix_shared_memory_queue_t * q,
375 vl_api_ip6_fib_dump_t * mp,
376 fib_table_t * fib_table)
378 vpe_api_main_t *am = &vpe_api_main;
379 ip6_main_t *im6 = &ip6_main;
380 ip6_fib_t *fib = &fib_table->v6;
381 fib_node_index_t *fib_entry_index;
382 api_ip6_fib_show_ctx_t ctx = {
383 .fib_index = fib->index,.entries = NULL,
385 fib_route_path_encode_t *api_rpaths;
388 BV (clib_bihash_foreach_key_value_pair)
389 ((BVT (clib_bihash) *) & im6->ip6_table[IP6_FIB_TABLE_NON_FWDING].
390 ip6_hash, api_ip6_fib_table_put_entries, &ctx);
392 vec_sort_with_function (ctx.entries, fib_entry_cmp_for_sort);
394 vec_foreach (fib_entry_index, ctx.entries)
396 fib_entry_get_prefix (*fib_entry_index, &pfx);
398 fib_entry_encode (*fib_entry_index, &api_rpaths);
399 send_ip6_fib_details (am, q,
400 fib_table->ft_table_id,
401 &pfx, api_rpaths, mp->context);
402 vec_free (api_rpaths);
405 vec_free (ctx.entries);
409 vl_api_ip6_fib_dump_t_handler (vl_api_ip6_fib_dump_t * mp)
411 unix_shared_memory_queue_t *q;
412 ip6_main_t *im6 = &ip6_main;
413 fib_table_t *fib_table;
415 q = vl_api_client_index_to_input_queue (mp->client_index);
420 pool_foreach (fib_table, im6->fibs,
422 api_ip6_fib_table_get_all(q, mp, fib_table);
428 send_ip_mfib_details (vpe_api_main_t * am,
429 unix_shared_memory_queue_t * q,
432 fib_route_path_encode_t * api_rpaths, u32 context)
434 vl_api_ip_mfib_details_t *mp;
435 fib_route_path_encode_t *api_rpath;
436 vl_api_fib_path_t *fp;
439 path_count = vec_len (api_rpaths);
440 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
443 memset (mp, 0, sizeof (*mp));
444 mp->_vl_msg_id = ntohs (VL_API_IP_FIB_DETAILS);
445 mp->context = context;
447 mp->table_id = htonl (table_id);
448 mp->address_length = pfx->fp_len;
449 memcpy (mp->grp_address, &pfx->fp_grp_addr.ip4,
450 sizeof (pfx->fp_grp_addr.ip4));
451 memcpy (mp->src_address, &pfx->fp_src_addr.ip4,
452 sizeof (pfx->fp_src_addr.ip4));
454 mp->count = htonl (path_count);
456 vec_foreach (api_rpath, api_rpaths)
458 memset (fp, 0, sizeof (*fp));
461 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
462 copy_fib_next_hop (api_rpath, fp);
466 vl_msg_api_send_shmem (q, (u8 *) & mp);
469 typedef struct vl_api_ip_mfib_dump_ctc_t_
471 fib_node_index_t *entries;
472 } vl_api_ip_mfib_dump_ctc_t;
475 vl_api_ip_mfib_table_dump_walk (fib_node_index_t fei, void *arg)
477 vl_api_ip_mfib_dump_ctc_t *ctx = arg;
479 vec_add1 (ctx->entries, fei);
485 vl_api_ip_mfib_dump_t_handler (vl_api_ip_mfib_dump_t * mp)
487 vpe_api_main_t *am = &vpe_api_main;
488 unix_shared_memory_queue_t *q;
489 ip4_main_t *im = &ip4_main;
490 mfib_table_t *mfib_table;
491 fib_node_index_t *mfeip;
493 fib_route_path_encode_t *api_rpaths = NULL;
494 vl_api_ip_mfib_dump_ctc_t ctx = {
498 q = vl_api_client_index_to_input_queue (mp->client_index);
504 pool_foreach (mfib_table, im->mfibs,
506 ip4_mfib_table_walk(&mfib_table->v4,
507 vl_api_ip_mfib_table_dump_walk,
510 vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort);
512 vec_foreach (mfeip, ctx.entries)
514 mfib_entry_get_prefix (*mfeip, &pfx);
515 mfib_entry_encode (*mfeip, &api_rpaths);
516 send_ip_mfib_details (am, q,
517 mfib_table->mft_table_id,
521 vec_reset_length (api_rpaths);
522 vec_reset_length (ctx.entries);
527 vec_free (ctx.entries);
528 vec_free (api_rpaths);
532 send_ip6_mfib_details (vpe_api_main_t * am,
533 unix_shared_memory_queue_t * q,
536 fib_route_path_encode_t * api_rpaths, u32 context)
538 vl_api_ip6_mfib_details_t *mp;
539 fib_route_path_encode_t *api_rpath;
540 vl_api_fib_path_t *fp;
543 path_count = vec_len (api_rpaths);
544 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
547 memset (mp, 0, sizeof (*mp));
548 mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS);
549 mp->context = context;
551 mp->table_id = htonl (table_id);
552 mp->address_length = pfx->fp_len;
553 memcpy (mp->grp_address, &pfx->fp_grp_addr.ip6,
554 sizeof (pfx->fp_grp_addr.ip6));
555 memcpy (mp->src_address, &pfx->fp_src_addr.ip6,
556 sizeof (pfx->fp_src_addr.ip6));
558 mp->count = htonl (path_count);
560 vec_foreach (api_rpath, api_rpaths)
562 memset (fp, 0, sizeof (*fp));
565 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
566 copy_fib_next_hop (api_rpath, fp);
570 vl_msg_api_send_shmem (q, (u8 *) & mp);
573 typedef struct vl_api_ip6_mfib_dump_ctc_t_
575 fib_node_index_t *entries;
576 } vl_api_ip6_mfib_dump_ctc_t;
579 vl_api_ip6_mfib_table_dump_walk (fib_node_index_t fei, void *arg)
581 vl_api_ip6_mfib_dump_ctc_t *ctx = arg;
583 vec_add1 (ctx->entries, fei);
589 vl_api_ip6_mfib_dump_t_handler (vl_api_ip6_mfib_dump_t * mp)
591 vpe_api_main_t *am = &vpe_api_main;
592 unix_shared_memory_queue_t *q;
593 ip6_main_t *im = &ip6_main;
594 mfib_table_t *mfib_table;
595 fib_node_index_t *mfeip;
597 fib_route_path_encode_t *api_rpaths = NULL;
598 vl_api_ip6_mfib_dump_ctc_t ctx = {
602 q = vl_api_client_index_to_input_queue (mp->client_index);
608 pool_foreach (mfib_table, im->mfibs,
610 ip6_mfib_table_walk(&mfib_table->v6,
611 vl_api_ip6_mfib_table_dump_walk,
614 vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort);
616 vec_foreach(mfeip, ctx.entries)
618 mfib_entry_get_prefix (*mfeip, &pfx);
619 mfib_entry_encode (*mfeip, &api_rpaths);
620 send_ip6_mfib_details (am, q,
621 mfib_table->mft_table_id,
625 vec_reset_length (api_rpaths);
626 vec_reset_length (ctx.entries);
631 vec_free (ctx.entries);
632 vec_free (api_rpaths);
636 vl_api_ip_neighbor_add_del_t_handler (vl_api_ip_neighbor_add_del_t * mp,
639 vl_api_ip_neighbor_add_del_reply_t *rmp;
640 vnet_main_t *vnm = vnet_get_main ();
643 VALIDATE_SW_IF_INDEX (mp);
645 stats_dslock_with_hint (1 /* release hint */ , 7 /* tag */ );
648 * there's no validation here of the ND/ARP entry being added.
649 * The expectation is that the FIB will ensure that nothing bad
650 * will come of adding bogus entries.
655 rv = vnet_set_ip6_ethernet_neighbor
656 (vm, ntohl (mp->sw_if_index),
657 (ip6_address_t *) (mp->dst_address),
658 mp->mac_address, sizeof (mp->mac_address), mp->is_static,
661 rv = vnet_unset_ip6_ethernet_neighbor
662 (vm, ntohl (mp->sw_if_index),
663 (ip6_address_t *) (mp->dst_address),
664 mp->mac_address, sizeof (mp->mac_address));
668 ethernet_arp_ip4_over_ethernet_address_t a;
670 clib_memcpy (&a.ethernet, mp->mac_address, 6);
671 clib_memcpy (&a.ip4, mp->dst_address, 4);
674 rv = vnet_arp_set_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index),
679 vnet_arp_unset_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index), &a);
682 BAD_SW_IF_INDEX_LABEL;
685 REPLY_MACRO (VL_API_IP_NEIGHBOR_ADD_DEL_REPLY);
689 add_del_route_t_handler (u8 is_multipath,
696 u32 classify_table_index,
698 u8 is_resolve_attached,
700 const fib_prefix_t * prefix,
701 u8 next_hop_proto_is_ip4,
702 const ip46_address_t * next_hop,
703 u32 next_hop_sw_if_index,
704 u8 next_hop_fib_index,
706 mpls_label_t next_hop_via_label,
707 mpls_label_t * next_hop_out_label_stack)
709 vnet_classify_main_t *cm = &vnet_classify_main;
710 fib_route_path_flags_t path_flags = FIB_ROUTE_PATH_FLAG_NONE;
711 fib_route_path_t path = {
712 .frp_proto = (next_hop_proto_is_ip4 ?
713 FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6),
714 .frp_addr = (NULL == next_hop ? zero_addr : *next_hop),
715 .frp_sw_if_index = next_hop_sw_if_index,
716 .frp_fib_index = next_hop_fib_index,
717 .frp_weight = next_hop_weight,
718 .frp_label_stack = next_hop_out_label_stack,
720 fib_route_path_t *paths = NULL;
722 if (MPLS_LABEL_INVALID != next_hop_via_label)
724 path.frp_proto = FIB_PROTOCOL_MPLS;
725 path.frp_local_label = next_hop_via_label;
728 path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_HOST;
729 if (is_resolve_attached)
730 path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED;
732 path.frp_flags = path_flags;
736 stats_dslock_with_hint (1 /* release hint */ , 10 /* tag */ );
739 vec_add1 (paths, path);
742 fib_table_entry_path_add2 (fib_index,
745 FIB_ENTRY_FLAG_NONE, paths);
747 fib_table_entry_path_remove2 (fib_index,
748 prefix, FIB_SOURCE_API, paths);
755 stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
757 if (is_drop || is_local || is_classify || is_unreach || is_prohibit)
760 * special route types that link directly to the adj
764 dpo_id_t dpo = DPO_INVALID;
767 dproto = fib_proto_to_dpo (prefix->fp_proto);
770 ip_null_dpo_add_and_lock (dproto, IP_NULL_ACTION_NONE, &dpo);
772 receive_dpo_add_or_lock (dproto, ~0, NULL, &dpo);
774 ip_null_dpo_add_and_lock (dproto,
775 IP_NULL_ACTION_SEND_ICMP_UNREACH, &dpo);
776 else if (is_prohibit)
777 ip_null_dpo_add_and_lock (dproto,
778 IP_NULL_ACTION_SEND_ICMP_PROHIBIT,
780 else if (is_classify)
782 if (pool_is_free_index (cm->tables,
783 ntohl (classify_table_index)))
786 return VNET_API_ERROR_NO_SUCH_TABLE;
789 dpo_set (&dpo, DPO_CLASSIFY, dproto,
790 classify_dpo_create (dproto,
791 ntohl (classify_table_index)));
796 return VNET_API_ERROR_NO_SUCH_TABLE;
799 fib_table_entry_special_dpo_update (fib_index,
802 FIB_ENTRY_FLAG_EXCLUSIVE, &dpo);
807 fib_table_entry_special_remove (fib_index, prefix, FIB_SOURCE_API);
814 vec_add1 (paths, path);
815 fib_table_entry_update (fib_index,
817 FIB_SOURCE_API, FIB_ENTRY_FLAG_NONE, paths);
822 fib_table_entry_delete (fib_index, prefix, FIB_SOURCE_API);
831 add_del_route_check (fib_protocol_t table_proto,
833 u32 next_hop_sw_if_index,
834 fib_protocol_t next_hop_table_proto,
835 u32 next_hop_table_id,
836 u8 create_missing_tables,
837 u32 * fib_index, u32 * next_hop_fib_index)
839 vnet_main_t *vnm = vnet_get_main ();
841 *fib_index = fib_table_find (table_proto, ntohl (table_id));
842 if (~0 == *fib_index)
844 if (create_missing_tables)
846 *fib_index = fib_table_find_or_create_and_lock (table_proto,
851 /* No such VRF, and we weren't asked to create one */
852 return VNET_API_ERROR_NO_SUCH_FIB;
856 if (~0 != ntohl (next_hop_sw_if_index))
858 if (pool_is_free_index (vnm->interface_main.sw_interfaces,
859 ntohl (next_hop_sw_if_index)))
861 return VNET_API_ERROR_NO_MATCHING_INTERFACE;
866 *next_hop_fib_index = fib_table_find (next_hop_table_proto,
867 ntohl (next_hop_table_id));
869 if (~0 == *next_hop_fib_index)
871 if (create_missing_tables)
873 *next_hop_fib_index =
874 fib_table_find_or_create_and_lock (next_hop_table_proto,
875 ntohl (next_hop_table_id));
879 /* No such VRF, and we weren't asked to create one */
880 return VNET_API_ERROR_NO_SUCH_FIB;
889 ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
891 u32 fib_index, next_hop_fib_index;
892 mpls_label_t *label_stack = NULL;
893 int rv, ii, n_labels;;
895 rv = add_del_route_check (FIB_PROTOCOL_IP4,
897 mp->next_hop_sw_if_index,
899 mp->next_hop_table_id,
900 mp->create_vrf_if_needed,
901 &fib_index, &next_hop_fib_index);
907 .fp_len = mp->dst_address_length,
908 .fp_proto = FIB_PROTOCOL_IP4,
910 clib_memcpy (&pfx.fp_addr.ip4, mp->dst_address, sizeof (pfx.fp_addr.ip4));
913 memset (&nh, 0, sizeof (nh));
914 memcpy (&nh.ip4, mp->next_hop_address, sizeof (nh.ip4));
916 n_labels = mp->next_hop_n_out_labels;
919 else if (1 == n_labels)
920 vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0]));
923 vec_validate (label_stack, n_labels - 1);
924 for (ii = 0; ii < n_labels; ii++)
925 label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]);
928 return (add_del_route_t_handler (mp->is_multipath,
935 mp->classify_table_index,
937 mp->is_resolve_attached,
940 ntohl (mp->next_hop_sw_if_index),
943 ntohl (mp->next_hop_via_label),
948 ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
950 u32 fib_index, next_hop_fib_index;
951 mpls_label_t *label_stack = NULL;
952 int rv, ii, n_labels;;
954 rv = add_del_route_check (FIB_PROTOCOL_IP6,
956 mp->next_hop_sw_if_index,
958 mp->next_hop_table_id,
959 mp->create_vrf_if_needed,
960 &fib_index, &next_hop_fib_index);
966 .fp_len = mp->dst_address_length,
967 .fp_proto = FIB_PROTOCOL_IP6,
969 clib_memcpy (&pfx.fp_addr.ip6, mp->dst_address, sizeof (pfx.fp_addr.ip6));
972 memset (&nh, 0, sizeof (nh));
973 memcpy (&nh.ip6, mp->next_hop_address, sizeof (nh.ip6));
975 n_labels = mp->next_hop_n_out_labels;
978 else if (1 == n_labels)
979 vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0]));
982 vec_validate (label_stack, n_labels - 1);
983 for (ii = 0; ii < n_labels; ii++)
984 label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]);
987 return (add_del_route_t_handler (mp->is_multipath,
994 mp->classify_table_index,
996 mp->is_resolve_attached,
998 &nh, ntohl (mp->next_hop_sw_if_index),
1000 mp->next_hop_weight,
1001 ntohl (mp->next_hop_via_label),
1006 vl_api_ip_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
1008 vl_api_ip_add_del_route_reply_t *rmp;
1010 vnet_main_t *vnm = vnet_get_main ();
1015 rv = ip6_add_del_route_t_handler (mp);
1017 rv = ip4_add_del_route_t_handler (mp);
1019 rv = (rv == 0) ? vnm->api_errno : rv;
1021 REPLY_MACRO (VL_API_IP_ADD_DEL_ROUTE_REPLY);
1025 add_del_mroute_check (fib_protocol_t table_proto,
1027 u32 next_hop_sw_if_index,
1028 u8 is_local, u8 create_missing_tables, u32 * fib_index)
1030 vnet_main_t *vnm = vnet_get_main ();
1032 *fib_index = mfib_table_find (table_proto, ntohl (table_id));
1033 if (~0 == *fib_index)
1035 if (create_missing_tables)
1037 *fib_index = mfib_table_find_or_create_and_lock (table_proto,
1042 /* No such VRF, and we weren't asked to create one */
1043 return VNET_API_ERROR_NO_SUCH_FIB;
1047 if (~0 != ntohl (next_hop_sw_if_index))
1049 if (pool_is_free_index (vnm->interface_main.sw_interfaces,
1050 ntohl (next_hop_sw_if_index)))
1052 return VNET_API_ERROR_NO_MATCHING_INTERFACE;
1060 mroute_add_del_handler (u8 is_add,
1063 const mfib_prefix_t * prefix,
1065 u32 next_hop_sw_if_index, u32 itf_flags)
1067 stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
1069 fib_route_path_t path = {
1070 .frp_sw_if_index = next_hop_sw_if_index,
1071 .frp_proto = prefix->fp_proto,
1075 path.frp_flags |= FIB_ROUTE_PATH_LOCAL;
1078 if (!is_local && ~0 == next_hop_sw_if_index)
1080 mfib_table_entry_update (fib_index, prefix,
1081 MFIB_SOURCE_API, entry_flags);
1087 mfib_table_entry_path_update (fib_index, prefix,
1088 MFIB_SOURCE_API, &path, itf_flags);
1092 mfib_table_entry_path_remove (fib_index, prefix,
1093 MFIB_SOURCE_API, &path);
1102 api_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
1104 fib_protocol_t fproto;
1108 fproto = (mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
1109 rv = add_del_mroute_check (fproto,
1111 mp->next_hop_sw_if_index,
1113 mp->create_vrf_if_needed, &fib_index);
1118 mfib_prefix_t pfx = {
1119 .fp_len = ntohs (mp->grp_address_length),
1123 if (FIB_PROTOCOL_IP4 == fproto)
1125 clib_memcpy (&pfx.fp_grp_addr.ip4, mp->grp_address,
1126 sizeof (pfx.fp_grp_addr.ip4));
1127 clib_memcpy (&pfx.fp_src_addr.ip4, mp->src_address,
1128 sizeof (pfx.fp_src_addr.ip4));
1132 clib_memcpy (&pfx.fp_grp_addr.ip6, mp->grp_address,
1133 sizeof (pfx.fp_grp_addr.ip6));
1134 clib_memcpy (&pfx.fp_src_addr.ip6, mp->src_address,
1135 sizeof (pfx.fp_src_addr.ip6));
1138 return (mroute_add_del_handler (mp->is_add,
1141 ntohl (mp->entry_flags),
1142 ntohl (mp->next_hop_sw_if_index),
1143 ntohl (mp->itf_flags)));
1147 vl_api_ip_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
1149 vl_api_ip_mroute_add_del_reply_t *rmp;
1151 vnet_main_t *vnm = vnet_get_main ();
1155 rv = api_mroute_add_del_t_handler (mp);
1157 rv = (rv == 0) ? vnm->api_errno : rv;
1159 REPLY_MACRO (VL_API_IP_MROUTE_ADD_DEL_REPLY);
1163 send_ip_details (vpe_api_main_t * am,
1164 unix_shared_memory_queue_t * q, u32 sw_if_index,
1165 u8 is_ipv6, u32 context)
1167 vl_api_ip_details_t *mp;
1169 mp = vl_msg_api_alloc (sizeof (*mp));
1170 memset (mp, 0, sizeof (*mp));
1171 mp->_vl_msg_id = ntohs (VL_API_IP_DETAILS);
1173 mp->sw_if_index = ntohl (sw_if_index);
1174 mp->is_ipv6 = is_ipv6;
1175 mp->context = context;
1177 vl_msg_api_send_shmem (q, (u8 *) & mp);
1181 send_ip_address_details (vpe_api_main_t * am,
1182 unix_shared_memory_queue_t * q,
1183 u8 * ip, u16 prefix_length,
1184 u32 sw_if_index, u8 is_ipv6, u32 context)
1186 vl_api_ip_address_details_t *mp;
1188 mp = vl_msg_api_alloc (sizeof (*mp));
1189 memset (mp, 0, sizeof (*mp));
1190 mp->_vl_msg_id = ntohs (VL_API_IP_ADDRESS_DETAILS);
1194 clib_memcpy (&mp->ip, ip, sizeof (mp->ip));
1198 u32 *tp = (u32 *) mp->ip;
1201 mp->prefix_length = prefix_length;
1202 mp->context = context;
1203 mp->sw_if_index = htonl (sw_if_index);
1204 mp->is_ipv6 = is_ipv6;
1206 vl_msg_api_send_shmem (q, (u8 *) & mp);
1210 vl_api_ip_address_dump_t_handler (vl_api_ip_address_dump_t * mp)
1212 vpe_api_main_t *am = &vpe_api_main;
1213 unix_shared_memory_queue_t *q;
1216 ip6_main_t *im6 = &ip6_main;
1217 ip4_main_t *im4 = &ip4_main;
1218 ip_lookup_main_t *lm6 = &im6->lookup_main;
1219 ip_lookup_main_t *lm4 = &im4->lookup_main;
1220 ip_interface_address_t *ia = 0;
1221 u32 sw_if_index = ~0;
1222 int rv __attribute__ ((unused)) = 0;
1224 VALIDATE_SW_IF_INDEX (mp);
1226 sw_if_index = ntohl (mp->sw_if_index);
1228 q = vl_api_client_index_to_input_queue (mp->client_index);
1235 foreach_ip_interface_address (lm6, ia, sw_if_index,
1236 1 /* honor unnumbered */,
1238 r6 = ip_interface_address_get_address (lm6, ia);
1239 u16 prefix_length = ia->address_length;
1240 send_ip_address_details(am, q, (u8*)r6, prefix_length,
1241 sw_if_index, 1, mp->context);
1248 foreach_ip_interface_address (lm4, ia, sw_if_index,
1249 1 /* honor unnumbered */,
1251 r4 = ip_interface_address_get_address (lm4, ia);
1252 u16 prefix_length = ia->address_length;
1253 send_ip_address_details(am, q, (u8*)r4, prefix_length,
1254 sw_if_index, 0, mp->context);
1258 BAD_SW_IF_INDEX_LABEL;
1262 vl_api_ip_dump_t_handler (vl_api_ip_dump_t * mp)
1264 vpe_api_main_t *am = &vpe_api_main;
1265 vnet_main_t *vnm = vnet_get_main ();
1266 vlib_main_t *vm = vlib_get_main ();
1267 vnet_interface_main_t *im = &vnm->interface_main;
1268 unix_shared_memory_queue_t *q;
1269 vnet_sw_interface_t *si, *sorted_sis;
1270 u32 sw_if_index = ~0;
1272 q = vl_api_client_index_to_input_queue (mp->client_index);
1278 /* Gather interfaces. */
1279 sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces));
1280 _vec_len (sorted_sis) = 0;
1282 pool_foreach (si, im->sw_interfaces,
1284 vec_add1 (sorted_sis, si[0]);
1288 vec_foreach (si, sorted_sis)
1290 if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1292 if (mp->is_ipv6 && !ip6_interface_enabled (vm, si->sw_if_index))
1296 sw_if_index = si->sw_if_index;
1297 send_ip_details (am, q, sw_if_index, mp->is_ipv6, mp->context);
1303 set_ip6_flow_hash (vl_api_set_ip_flow_hash_t * mp)
1305 vl_api_set_ip_flow_hash_reply_t *rmp;
1306 int rv = VNET_API_ERROR_UNIMPLEMENTED;
1308 clib_warning ("unimplemented...");
1310 REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
1314 set_ip4_flow_hash (vl_api_set_ip_flow_hash_t * mp)
1316 vl_api_set_ip_flow_hash_reply_t *rmp;
1319 flow_hash_config_t flow_hash_config = 0;
1321 table_id = ntohl (mp->vrf_id);
1323 #define _(a,b) if (mp->a) flow_hash_config |= b;
1324 foreach_flow_hash_bit;
1327 rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
1329 REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
1334 vl_api_set_ip_flow_hash_t_handler (vl_api_set_ip_flow_hash_t * mp)
1336 if (mp->is_ipv6 == 0)
1337 set_ip4_flow_hash (mp);
1339 set_ip6_flow_hash (mp);
1343 vl_api_sw_interface_ip6nd_ra_config_t_handler
1344 (vl_api_sw_interface_ip6nd_ra_config_t * mp)
1346 vl_api_sw_interface_ip6nd_ra_config_reply_t *rmp;
1347 vlib_main_t *vm = vlib_get_main ();
1349 u8 is_no, suppress, managed, other, ll_option, send_unicast, cease,
1352 is_no = mp->is_no == 1;
1353 suppress = mp->suppress == 1;
1354 managed = mp->managed == 1;
1355 other = mp->other == 1;
1356 ll_option = mp->ll_option == 1;
1357 send_unicast = mp->send_unicast == 1;
1358 cease = mp->cease == 1;
1359 default_router = mp->default_router == 1;
1361 VALIDATE_SW_IF_INDEX (mp);
1363 rv = ip6_neighbor_ra_config (vm, ntohl (mp->sw_if_index),
1364 suppress, managed, other,
1365 ll_option, send_unicast, cease,
1366 default_router, ntohl (mp->lifetime),
1367 ntohl (mp->initial_count),
1368 ntohl (mp->initial_interval),
1369 ntohl (mp->max_interval),
1370 ntohl (mp->min_interval), is_no);
1372 BAD_SW_IF_INDEX_LABEL;
1374 REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_CONFIG_REPLY);
1378 vl_api_sw_interface_ip6nd_ra_prefix_t_handler
1379 (vl_api_sw_interface_ip6nd_ra_prefix_t * mp)
1381 vlib_main_t *vm = vlib_get_main ();
1382 vl_api_sw_interface_ip6nd_ra_prefix_reply_t *rmp;
1384 u8 is_no, use_default, no_advertise, off_link, no_autoconfig, no_onlink;
1386 VALIDATE_SW_IF_INDEX (mp);
1388 is_no = mp->is_no == 1;
1389 use_default = mp->use_default == 1;
1390 no_advertise = mp->no_advertise == 1;
1391 off_link = mp->off_link == 1;
1392 no_autoconfig = mp->no_autoconfig == 1;
1393 no_onlink = mp->no_onlink == 1;
1395 rv = ip6_neighbor_ra_prefix (vm, ntohl (mp->sw_if_index),
1396 (ip6_address_t *) mp->address,
1397 mp->address_length, use_default,
1398 ntohl (mp->val_lifetime),
1399 ntohl (mp->pref_lifetime), no_advertise,
1400 off_link, no_autoconfig, no_onlink, is_no);
1402 BAD_SW_IF_INDEX_LABEL;
1403 REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_PREFIX_REPLY);
1407 send_ip6nd_proxy_details (unix_shared_memory_queue_t * q,
1409 const ip46_address_t * addr, u32 sw_if_index)
1411 vl_api_ip6nd_proxy_details_t *mp;
1413 mp = vl_msg_api_alloc (sizeof (*mp));
1414 memset (mp, 0, sizeof (*mp));
1415 mp->_vl_msg_id = ntohs (VL_API_IP6ND_PROXY_DETAILS);
1416 mp->context = context;
1417 mp->sw_if_index = htonl (sw_if_index);
1418 memcpy (mp->address, addr, 16);
1420 vl_msg_api_send_shmem (q, (u8 *) & mp);
1423 typedef struct api_ip6nd_proxy_fib_table_walk_ctx_t_
1426 } api_ip6nd_proxy_fib_table_walk_ctx_t;
1429 api_ip6nd_proxy_fib_table_walk (fib_node_index_t fei, void *arg)
1431 api_ip6nd_proxy_fib_table_walk_ctx_t *ctx = arg;
1433 if (fib_entry_is_sourced (fei, FIB_SOURCE_IP6_ND_PROXY))
1435 vec_add1 (ctx->indices, fei);
1442 vl_api_ip6nd_proxy_dump_t_handler (vl_api_ip6nd_proxy_dump_t * mp)
1444 ip6_main_t *im6 = &ip6_main;
1445 fib_table_t *fib_table;
1446 api_ip6nd_proxy_fib_table_walk_ctx_t ctx = {
1449 fib_node_index_t *feip;
1451 unix_shared_memory_queue_t *q;
1453 q = vl_api_client_index_to_input_queue (mp->client_index);
1460 pool_foreach (fib_table, im6->fibs,
1462 fib_table_walk(fib_table->ft_index,
1464 api_ip6nd_proxy_fib_table_walk,
1469 vec_sort_with_function (ctx.indices, fib_entry_cmp_for_sort);
1471 vec_foreach (feip, ctx.indices)
1473 fib_entry_get_prefix (*feip, &pfx);
1475 send_ip6nd_proxy_details (q,
1478 fib_entry_get_resolving_interface (*feip));
1481 vec_free (ctx.indices);
1485 vl_api_ip6nd_proxy_add_del_t_handler (vl_api_ip6nd_proxy_add_del_t * mp)
1487 vl_api_ip6nd_proxy_add_del_reply_t *rmp;
1490 VALIDATE_SW_IF_INDEX (mp);
1492 rv = ip6_neighbor_proxy_add_del (ntohl (mp->sw_if_index),
1493 (ip6_address_t *) mp->address, mp->is_del);
1495 BAD_SW_IF_INDEX_LABEL;
1496 REPLY_MACRO (VL_API_IP6ND_PROXY_ADD_DEL_REPLY);
1500 vl_api_sw_interface_ip6_enable_disable_t_handler
1501 (vl_api_sw_interface_ip6_enable_disable_t * mp)
1503 vlib_main_t *vm = vlib_get_main ();
1504 vl_api_sw_interface_ip6_enable_disable_reply_t *rmp;
1505 vnet_main_t *vnm = vnet_get_main ();
1507 clib_error_t *error;
1511 VALIDATE_SW_IF_INDEX (mp);
1514 (mp->enable == 1) ? enable_ip6_interface (vm,
1515 ntohl (mp->sw_if_index)) :
1516 disable_ip6_interface (vm, ntohl (mp->sw_if_index));
1520 clib_error_report (error);
1521 rv = VNET_API_ERROR_UNSPECIFIED;
1525 rv = vnm->api_errno;
1528 BAD_SW_IF_INDEX_LABEL;
1530 REPLY_MACRO (VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY);
1534 vl_api_sw_interface_ip6_set_link_local_address_t_handler
1535 (vl_api_sw_interface_ip6_set_link_local_address_t * mp)
1537 vlib_main_t *vm = vlib_get_main ();
1538 vl_api_sw_interface_ip6_set_link_local_address_reply_t *rmp;
1540 clib_error_t *error;
1541 vnet_main_t *vnm = vnet_get_main ();
1545 VALIDATE_SW_IF_INDEX (mp);
1547 error = set_ip6_link_local_address (vm,
1548 ntohl (mp->sw_if_index),
1549 (ip6_address_t *) mp->address);
1552 clib_error_report (error);
1553 rv = VNET_API_ERROR_UNSPECIFIED;
1557 rv = vnm->api_errno;
1560 BAD_SW_IF_INDEX_LABEL;
1562 REPLY_MACRO (VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_REPLY);
1566 vl_mfib_signal_send_one (unix_shared_memory_queue_t * q,
1567 u32 context, const mfib_signal_t * mfs)
1569 vl_api_mfib_signal_details_t *mp;
1570 mfib_prefix_t prefix;
1574 mp = vl_msg_api_alloc (sizeof (*mp));
1576 memset (mp, 0, sizeof (*mp));
1577 mp->_vl_msg_id = ntohs (VL_API_MFIB_SIGNAL_DETAILS);
1578 mp->context = context;
1580 mfi = mfib_itf_get (mfs->mfs_itf);
1581 mfib_entry_get_prefix (mfs->mfs_entry, &prefix);
1582 mfib = mfib_table_get (mfib_entry_get_fib_index (mfs->mfs_entry),
1584 mp->table_id = ntohl (mfib->mft_table_id);
1585 mp->sw_if_index = ntohl (mfi->mfi_sw_if_index);
1587 if (FIB_PROTOCOL_IP4 == prefix.fp_proto)
1589 mp->grp_address_len = ntohs (prefix.fp_len);
1591 memcpy (mp->grp_address, &prefix.fp_grp_addr.ip4, 4);
1592 if (prefix.fp_len > 32)
1594 memcpy (mp->src_address, &prefix.fp_src_addr.ip4, 4);
1599 mp->grp_address_len = ntohs (prefix.fp_len);
1604 if (0 != mfs->mfs_buffer_len)
1606 mp->ip_packet_len = ntohs (mfs->mfs_buffer_len);
1608 memcpy (mp->ip_packet_data, mfs->mfs_buffer, mfs->mfs_buffer_len);
1612 mp->ip_packet_len = 0;
1615 vl_msg_api_send_shmem (q, (u8 *) & mp);
1619 vl_api_mfib_signal_dump_t_handler (vl_api_mfib_signal_dump_t * mp)
1621 unix_shared_memory_queue_t *q;
1623 q = vl_api_client_index_to_input_queue (mp->client_index);
1629 while (q->cursize < q->maxsize && mfib_signal_send_one (q, mp->context))
1633 #define vl_msg_name_crc_list
1634 #include <vnet/ip/ip.api.h>
1635 #undef vl_msg_name_crc_list
1638 setup_message_id_table (api_main_t * am)
1640 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1641 foreach_vl_msg_name_crc_ip;
1645 static clib_error_t *
1646 ip_api_hookup (vlib_main_t * vm)
1648 api_main_t *am = &api_main;
1651 vl_msg_api_set_handlers(VL_API_##N, #n, \
1652 vl_api_##n##_t_handler, \
1654 vl_api_##n##_t_endian, \
1655 vl_api_##n##_t_print, \
1656 sizeof(vl_api_##n##_t), 1);
1661 * Set up the (msg_name, crc, message-id) table
1663 setup_message_id_table (am);
1668 VLIB_API_INIT_FUNCTION (ip_api_hookup);
1671 * fd.io coding-style-patch-verification: ON
1674 * eval: (c-set-style "gnu")