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);
243 typedef struct vl_api_ip_fib_dump_walk_ctx_t_
245 fib_node_index_t *feis;
246 } vl_api_ip_fib_dump_walk_ctx_t;
249 vl_api_ip_fib_dump_walk (fib_node_index_t fei, void *arg)
251 vl_api_ip_fib_dump_walk_ctx_t *ctx = arg;
253 vec_add1 (ctx->feis, fei);
259 vl_api_ip_fib_dump_t_handler (vl_api_ip_fib_dump_t * mp)
261 vpe_api_main_t *am = &vpe_api_main;
262 unix_shared_memory_queue_t *q;
263 ip4_main_t *im = &ip4_main;
264 fib_table_t *fib_table;
265 fib_node_index_t *lfeip;
268 fib_route_path_encode_t *api_rpaths;
269 vl_api_ip_fib_dump_walk_ctx_t ctx = {
273 q = vl_api_client_index_to_input_queue (mp->client_index);
278 pool_foreach (fib_table, im->fibs,
280 fib_table_walk(fib_table->ft_index,
282 vl_api_ip_fib_dump_walk,
287 vec_sort_with_function (ctx.feis, fib_entry_cmp_for_sort);
289 vec_foreach (lfeip, ctx.feis)
291 fib_entry_get_prefix (*lfeip, &pfx);
292 fib_index = fib_entry_get_fib_index (*lfeip);
293 fib_table = fib_table_get (fib_index, pfx.fp_proto);
295 fib_entry_encode (*lfeip, &api_rpaths);
296 send_ip_fib_details (am, q,
297 fib_table->ft_table_id, &pfx, api_rpaths,
299 vec_free (api_rpaths);
306 send_ip6_fib_details (vpe_api_main_t * am,
307 unix_shared_memory_queue_t * q,
308 u32 table_id, fib_prefix_t * pfx,
309 fib_route_path_encode_t * api_rpaths, u32 context)
311 vl_api_ip6_fib_details_t *mp;
312 fib_route_path_encode_t *api_rpath;
313 vl_api_fib_path_t *fp;
316 path_count = vec_len (api_rpaths);
317 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
320 memset (mp, 0, sizeof (*mp));
321 mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS);
322 mp->context = context;
324 mp->table_id = htonl (table_id);
325 mp->address_length = pfx->fp_len;
326 memcpy (mp->address, &pfx->fp_addr.ip6, sizeof (pfx->fp_addr.ip6));
328 mp->count = htonl (path_count);
330 vec_foreach (api_rpath, api_rpaths)
332 memset (fp, 0, sizeof (*fp));
333 switch (api_rpath->dpo.dpoi_type)
342 switch (api_rpath->dpo.dpoi_index)
344 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_NONE:
347 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_UNREACH:
348 fp->is_unreach = true;
350 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_PROHIBIT:
351 fp->is_prohibit = true;
360 fp->weight = htonl (api_rpath->rpath.frp_weight);
361 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
362 copy_fib_next_hop (api_rpath, fp);
366 vl_msg_api_send_shmem (q, (u8 *) & mp);
369 typedef struct apt_ip6_fib_show_ctx_t_
372 fib_node_index_t *entries;
373 } api_ip6_fib_show_ctx_t;
376 api_ip6_fib_table_put_entries (clib_bihash_kv_24_8_t * kvp, void *arg)
378 api_ip6_fib_show_ctx_t *ctx = arg;
380 if ((kvp->key[2] >> 32) == ctx->fib_index)
382 vec_add1 (ctx->entries, kvp->value);
387 api_ip6_fib_table_get_all (unix_shared_memory_queue_t * q,
388 vl_api_ip6_fib_dump_t * mp,
389 fib_table_t * fib_table)
391 vpe_api_main_t *am = &vpe_api_main;
392 ip6_main_t *im6 = &ip6_main;
393 fib_node_index_t *fib_entry_index;
394 api_ip6_fib_show_ctx_t ctx = {
395 .fib_index = fib_table->ft_index,
398 fib_route_path_encode_t *api_rpaths;
401 BV (clib_bihash_foreach_key_value_pair)
402 ((BVT (clib_bihash) *) & im6->ip6_table[IP6_FIB_TABLE_NON_FWDING].
403 ip6_hash, api_ip6_fib_table_put_entries, &ctx);
405 vec_sort_with_function (ctx.entries, fib_entry_cmp_for_sort);
407 vec_foreach (fib_entry_index, ctx.entries)
409 fib_entry_get_prefix (*fib_entry_index, &pfx);
411 fib_entry_encode (*fib_entry_index, &api_rpaths);
412 send_ip6_fib_details (am, q,
413 fib_table->ft_table_id,
414 &pfx, api_rpaths, mp->context);
415 vec_free (api_rpaths);
418 vec_free (ctx.entries);
422 vl_api_ip6_fib_dump_t_handler (vl_api_ip6_fib_dump_t * mp)
424 unix_shared_memory_queue_t *q;
425 ip6_main_t *im6 = &ip6_main;
426 fib_table_t *fib_table;
428 q = vl_api_client_index_to_input_queue (mp->client_index);
433 pool_foreach (fib_table, im6->fibs,
435 api_ip6_fib_table_get_all(q, mp, fib_table);
441 send_ip_mfib_details (vpe_api_main_t * am,
442 unix_shared_memory_queue_t * q,
445 fib_route_path_encode_t * api_rpaths, u32 context)
447 vl_api_ip_mfib_details_t *mp;
448 fib_route_path_encode_t *api_rpath;
449 vl_api_fib_path_t *fp;
452 path_count = vec_len (api_rpaths);
453 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
456 memset (mp, 0, sizeof (*mp));
457 mp->_vl_msg_id = ntohs (VL_API_IP_FIB_DETAILS);
458 mp->context = context;
460 mp->table_id = htonl (table_id);
461 mp->address_length = pfx->fp_len;
462 memcpy (mp->grp_address, &pfx->fp_grp_addr.ip4,
463 sizeof (pfx->fp_grp_addr.ip4));
464 memcpy (mp->src_address, &pfx->fp_src_addr.ip4,
465 sizeof (pfx->fp_src_addr.ip4));
467 mp->count = htonl (path_count);
469 vec_foreach (api_rpath, api_rpaths)
471 memset (fp, 0, sizeof (*fp));
474 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
475 copy_fib_next_hop (api_rpath, fp);
479 vl_msg_api_send_shmem (q, (u8 *) & mp);
482 typedef struct vl_api_ip_mfib_dump_ctc_t_
484 fib_node_index_t *entries;
485 } vl_api_ip_mfib_dump_ctc_t;
488 vl_api_ip_mfib_table_dump_walk (fib_node_index_t fei, void *arg)
490 vl_api_ip_mfib_dump_ctc_t *ctx = arg;
492 vec_add1 (ctx->entries, fei);
498 vl_api_ip_mfib_dump_t_handler (vl_api_ip_mfib_dump_t * mp)
500 vpe_api_main_t *am = &vpe_api_main;
501 unix_shared_memory_queue_t *q;
502 ip4_main_t *im = &ip4_main;
503 mfib_table_t *mfib_table;
504 fib_node_index_t *mfeip;
506 fib_route_path_encode_t *api_rpaths = NULL;
507 vl_api_ip_mfib_dump_ctc_t ctx = {
511 q = vl_api_client_index_to_input_queue (mp->client_index);
517 pool_foreach (mfib_table, im->mfibs,
519 ip4_mfib_table_walk(&mfib_table->v4,
520 vl_api_ip_mfib_table_dump_walk,
523 vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort);
525 vec_foreach (mfeip, ctx.entries)
527 mfib_entry_get_prefix (*mfeip, &pfx);
528 mfib_entry_encode (*mfeip, &api_rpaths);
529 send_ip_mfib_details (am, q,
530 mfib_table->mft_table_id,
534 vec_reset_length (api_rpaths);
535 vec_reset_length (ctx.entries);
540 vec_free (ctx.entries);
541 vec_free (api_rpaths);
545 send_ip6_mfib_details (vpe_api_main_t * am,
546 unix_shared_memory_queue_t * q,
549 fib_route_path_encode_t * api_rpaths, u32 context)
551 vl_api_ip6_mfib_details_t *mp;
552 fib_route_path_encode_t *api_rpath;
553 vl_api_fib_path_t *fp;
556 path_count = vec_len (api_rpaths);
557 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
560 memset (mp, 0, sizeof (*mp));
561 mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS);
562 mp->context = context;
564 mp->table_id = htonl (table_id);
565 mp->address_length = pfx->fp_len;
566 memcpy (mp->grp_address, &pfx->fp_grp_addr.ip6,
567 sizeof (pfx->fp_grp_addr.ip6));
568 memcpy (mp->src_address, &pfx->fp_src_addr.ip6,
569 sizeof (pfx->fp_src_addr.ip6));
571 mp->count = htonl (path_count);
573 vec_foreach (api_rpath, api_rpaths)
575 memset (fp, 0, sizeof (*fp));
578 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
579 copy_fib_next_hop (api_rpath, fp);
583 vl_msg_api_send_shmem (q, (u8 *) & mp);
586 typedef struct vl_api_ip6_mfib_dump_ctc_t_
588 fib_node_index_t *entries;
589 } vl_api_ip6_mfib_dump_ctc_t;
592 vl_api_ip6_mfib_table_dump_walk (fib_node_index_t fei, void *arg)
594 vl_api_ip6_mfib_dump_ctc_t *ctx = arg;
596 vec_add1 (ctx->entries, fei);
602 vl_api_ip6_mfib_dump_t_handler (vl_api_ip6_mfib_dump_t * mp)
604 vpe_api_main_t *am = &vpe_api_main;
605 unix_shared_memory_queue_t *q;
606 ip6_main_t *im = &ip6_main;
607 mfib_table_t *mfib_table;
608 fib_node_index_t *mfeip;
610 fib_route_path_encode_t *api_rpaths = NULL;
611 vl_api_ip6_mfib_dump_ctc_t ctx = {
615 q = vl_api_client_index_to_input_queue (mp->client_index);
621 pool_foreach (mfib_table, im->mfibs,
623 ip6_mfib_table_walk(&mfib_table->v6,
624 vl_api_ip6_mfib_table_dump_walk,
627 vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort);
629 vec_foreach(mfeip, ctx.entries)
631 mfib_entry_get_prefix (*mfeip, &pfx);
632 mfib_entry_encode (*mfeip, &api_rpaths);
633 send_ip6_mfib_details (am, q,
634 mfib_table->mft_table_id,
638 vec_reset_length (api_rpaths);
639 vec_reset_length (ctx.entries);
644 vec_free (ctx.entries);
645 vec_free (api_rpaths);
649 vl_api_ip_neighbor_add_del_t_handler (vl_api_ip_neighbor_add_del_t * mp,
652 vl_api_ip_neighbor_add_del_reply_t *rmp;
653 vnet_main_t *vnm = vnet_get_main ();
656 VALIDATE_SW_IF_INDEX (mp);
658 stats_dslock_with_hint (1 /* release hint */ , 7 /* tag */ );
661 * there's no validation here of the ND/ARP entry being added.
662 * The expectation is that the FIB will ensure that nothing bad
663 * will come of adding bogus entries.
668 rv = vnet_set_ip6_ethernet_neighbor
669 (vm, ntohl (mp->sw_if_index),
670 (ip6_address_t *) (mp->dst_address),
671 mp->mac_address, sizeof (mp->mac_address), mp->is_static,
674 rv = vnet_unset_ip6_ethernet_neighbor
675 (vm, ntohl (mp->sw_if_index),
676 (ip6_address_t *) (mp->dst_address),
677 mp->mac_address, sizeof (mp->mac_address));
681 ethernet_arp_ip4_over_ethernet_address_t a;
683 clib_memcpy (&a.ethernet, mp->mac_address, 6);
684 clib_memcpy (&a.ip4, mp->dst_address, 4);
687 rv = vnet_arp_set_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index),
692 vnet_arp_unset_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index), &a);
695 BAD_SW_IF_INDEX_LABEL;
698 REPLY_MACRO (VL_API_IP_NEIGHBOR_ADD_DEL_REPLY);
702 add_del_route_t_handler (u8 is_multipath,
709 u32 classify_table_index,
711 u8 is_resolve_attached,
713 const fib_prefix_t * prefix,
714 u8 next_hop_proto_is_ip4,
715 const ip46_address_t * next_hop,
716 u32 next_hop_sw_if_index,
717 u8 next_hop_fib_index,
719 mpls_label_t next_hop_via_label,
720 mpls_label_t * next_hop_out_label_stack)
722 vnet_classify_main_t *cm = &vnet_classify_main;
723 fib_route_path_flags_t path_flags = FIB_ROUTE_PATH_FLAG_NONE;
724 fib_route_path_t path = {
725 .frp_proto = (next_hop_proto_is_ip4 ?
726 FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6),
727 .frp_addr = (NULL == next_hop ? zero_addr : *next_hop),
728 .frp_sw_if_index = next_hop_sw_if_index,
729 .frp_fib_index = next_hop_fib_index,
730 .frp_weight = next_hop_weight,
731 .frp_label_stack = next_hop_out_label_stack,
733 fib_route_path_t *paths = NULL;
735 if (MPLS_LABEL_INVALID != next_hop_via_label)
737 path.frp_proto = FIB_PROTOCOL_MPLS;
738 path.frp_local_label = next_hop_via_label;
741 path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_HOST;
742 if (is_resolve_attached)
743 path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED;
745 path.frp_flags = path_flags;
749 stats_dslock_with_hint (1 /* release hint */ , 10 /* tag */ );
752 vec_add1 (paths, path);
755 fib_table_entry_path_add2 (fib_index,
758 FIB_ENTRY_FLAG_NONE, paths);
760 fib_table_entry_path_remove2 (fib_index,
761 prefix, FIB_SOURCE_API, paths);
768 stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
770 if (is_drop || is_local || is_classify || is_unreach || is_prohibit)
773 * special route types that link directly to the adj
777 dpo_id_t dpo = DPO_INVALID;
780 dproto = fib_proto_to_dpo (prefix->fp_proto);
783 ip_null_dpo_add_and_lock (dproto, IP_NULL_ACTION_NONE, &dpo);
785 receive_dpo_add_or_lock (dproto, ~0, NULL, &dpo);
787 ip_null_dpo_add_and_lock (dproto,
788 IP_NULL_ACTION_SEND_ICMP_UNREACH, &dpo);
789 else if (is_prohibit)
790 ip_null_dpo_add_and_lock (dproto,
791 IP_NULL_ACTION_SEND_ICMP_PROHIBIT,
793 else if (is_classify)
795 if (pool_is_free_index (cm->tables,
796 ntohl (classify_table_index)))
799 return VNET_API_ERROR_NO_SUCH_TABLE;
802 dpo_set (&dpo, DPO_CLASSIFY, dproto,
803 classify_dpo_create (dproto,
804 ntohl (classify_table_index)));
809 return VNET_API_ERROR_NO_SUCH_TABLE;
812 fib_table_entry_special_dpo_update (fib_index,
815 FIB_ENTRY_FLAG_EXCLUSIVE, &dpo);
820 fib_table_entry_special_remove (fib_index, prefix, FIB_SOURCE_API);
827 vec_add1 (paths, path);
828 fib_table_entry_update (fib_index,
830 FIB_SOURCE_API, FIB_ENTRY_FLAG_NONE, paths);
835 fib_table_entry_delete (fib_index, prefix, FIB_SOURCE_API);
844 add_del_route_check (fib_protocol_t table_proto,
846 u32 next_hop_sw_if_index,
847 fib_protocol_t next_hop_table_proto,
848 u32 next_hop_table_id,
849 u8 create_missing_tables,
850 u32 * fib_index, u32 * next_hop_fib_index)
852 vnet_main_t *vnm = vnet_get_main ();
854 *fib_index = fib_table_find (table_proto, ntohl (table_id));
855 if (~0 == *fib_index)
857 if (create_missing_tables)
859 *fib_index = fib_table_find_or_create_and_lock (table_proto,
864 /* No such VRF, and we weren't asked to create one */
865 return VNET_API_ERROR_NO_SUCH_FIB;
869 if (~0 != ntohl (next_hop_sw_if_index))
871 if (pool_is_free_index (vnm->interface_main.sw_interfaces,
872 ntohl (next_hop_sw_if_index)))
874 return VNET_API_ERROR_NO_MATCHING_INTERFACE;
879 *next_hop_fib_index = fib_table_find (next_hop_table_proto,
880 ntohl (next_hop_table_id));
882 if (~0 == *next_hop_fib_index)
884 if (create_missing_tables)
886 *next_hop_fib_index =
887 fib_table_find_or_create_and_lock (next_hop_table_proto,
888 ntohl (next_hop_table_id));
892 /* No such VRF, and we weren't asked to create one */
893 return VNET_API_ERROR_NO_SUCH_FIB;
902 ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
904 u32 fib_index, next_hop_fib_index;
905 mpls_label_t *label_stack = NULL;
906 int rv, ii, n_labels;;
908 rv = add_del_route_check (FIB_PROTOCOL_IP4,
910 mp->next_hop_sw_if_index,
912 mp->next_hop_table_id,
913 mp->create_vrf_if_needed,
914 &fib_index, &next_hop_fib_index);
920 .fp_len = mp->dst_address_length,
921 .fp_proto = FIB_PROTOCOL_IP4,
923 clib_memcpy (&pfx.fp_addr.ip4, mp->dst_address, sizeof (pfx.fp_addr.ip4));
926 memset (&nh, 0, sizeof (nh));
927 memcpy (&nh.ip4, mp->next_hop_address, sizeof (nh.ip4));
929 n_labels = mp->next_hop_n_out_labels;
932 else if (1 == n_labels)
933 vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0]));
936 vec_validate (label_stack, n_labels - 1);
937 for (ii = 0; ii < n_labels; ii++)
938 label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]);
941 return (add_del_route_t_handler (mp->is_multipath,
948 mp->classify_table_index,
950 mp->is_resolve_attached,
953 ntohl (mp->next_hop_sw_if_index),
956 ntohl (mp->next_hop_via_label),
961 ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
963 u32 fib_index, next_hop_fib_index;
964 mpls_label_t *label_stack = NULL;
965 int rv, ii, n_labels;;
967 rv = add_del_route_check (FIB_PROTOCOL_IP6,
969 mp->next_hop_sw_if_index,
971 mp->next_hop_table_id,
972 mp->create_vrf_if_needed,
973 &fib_index, &next_hop_fib_index);
979 .fp_len = mp->dst_address_length,
980 .fp_proto = FIB_PROTOCOL_IP6,
982 clib_memcpy (&pfx.fp_addr.ip6, mp->dst_address, sizeof (pfx.fp_addr.ip6));
985 memset (&nh, 0, sizeof (nh));
986 memcpy (&nh.ip6, mp->next_hop_address, sizeof (nh.ip6));
988 n_labels = mp->next_hop_n_out_labels;
991 else if (1 == n_labels)
992 vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0]));
995 vec_validate (label_stack, n_labels - 1);
996 for (ii = 0; ii < n_labels; ii++)
997 label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]);
1000 return (add_del_route_t_handler (mp->is_multipath,
1007 mp->classify_table_index,
1008 mp->is_resolve_host,
1009 mp->is_resolve_attached,
1011 &nh, ntohl (mp->next_hop_sw_if_index),
1013 mp->next_hop_weight,
1014 ntohl (mp->next_hop_via_label),
1019 vl_api_ip_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
1021 vl_api_ip_add_del_route_reply_t *rmp;
1023 vnet_main_t *vnm = vnet_get_main ();
1028 rv = ip6_add_del_route_t_handler (mp);
1030 rv = ip4_add_del_route_t_handler (mp);
1032 rv = (rv == 0) ? vnm->api_errno : rv;
1034 REPLY_MACRO (VL_API_IP_ADD_DEL_ROUTE_REPLY);
1038 add_del_mroute_check (fib_protocol_t table_proto,
1040 u32 next_hop_sw_if_index,
1041 u8 is_local, u8 create_missing_tables, u32 * fib_index)
1043 vnet_main_t *vnm = vnet_get_main ();
1045 *fib_index = mfib_table_find (table_proto, ntohl (table_id));
1046 if (~0 == *fib_index)
1048 if (create_missing_tables)
1050 *fib_index = mfib_table_find_or_create_and_lock (table_proto,
1055 /* No such VRF, and we weren't asked to create one */
1056 return VNET_API_ERROR_NO_SUCH_FIB;
1060 if (~0 != ntohl (next_hop_sw_if_index))
1062 if (pool_is_free_index (vnm->interface_main.sw_interfaces,
1063 ntohl (next_hop_sw_if_index)))
1065 return VNET_API_ERROR_NO_MATCHING_INTERFACE;
1073 mroute_add_del_handler (u8 is_add,
1076 const mfib_prefix_t * prefix,
1078 u32 next_hop_sw_if_index, u32 itf_flags)
1080 stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
1082 fib_route_path_t path = {
1083 .frp_sw_if_index = next_hop_sw_if_index,
1084 .frp_proto = prefix->fp_proto,
1088 path.frp_flags |= FIB_ROUTE_PATH_LOCAL;
1091 if (!is_local && ~0 == next_hop_sw_if_index)
1093 mfib_table_entry_update (fib_index, prefix,
1094 MFIB_SOURCE_API, entry_flags);
1100 mfib_table_entry_path_update (fib_index, prefix,
1101 MFIB_SOURCE_API, &path, itf_flags);
1105 mfib_table_entry_path_remove (fib_index, prefix,
1106 MFIB_SOURCE_API, &path);
1115 api_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
1117 fib_protocol_t fproto;
1121 fproto = (mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
1122 rv = add_del_mroute_check (fproto,
1124 mp->next_hop_sw_if_index,
1126 mp->create_vrf_if_needed, &fib_index);
1131 mfib_prefix_t pfx = {
1132 .fp_len = ntohs (mp->grp_address_length),
1136 if (FIB_PROTOCOL_IP4 == fproto)
1138 clib_memcpy (&pfx.fp_grp_addr.ip4, mp->grp_address,
1139 sizeof (pfx.fp_grp_addr.ip4));
1140 clib_memcpy (&pfx.fp_src_addr.ip4, mp->src_address,
1141 sizeof (pfx.fp_src_addr.ip4));
1145 clib_memcpy (&pfx.fp_grp_addr.ip6, mp->grp_address,
1146 sizeof (pfx.fp_grp_addr.ip6));
1147 clib_memcpy (&pfx.fp_src_addr.ip6, mp->src_address,
1148 sizeof (pfx.fp_src_addr.ip6));
1151 return (mroute_add_del_handler (mp->is_add,
1154 ntohl (mp->entry_flags),
1155 ntohl (mp->next_hop_sw_if_index),
1156 ntohl (mp->itf_flags)));
1160 vl_api_ip_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
1162 vl_api_ip_mroute_add_del_reply_t *rmp;
1164 vnet_main_t *vnm = vnet_get_main ();
1168 rv = api_mroute_add_del_t_handler (mp);
1170 rv = (rv == 0) ? vnm->api_errno : rv;
1172 REPLY_MACRO (VL_API_IP_MROUTE_ADD_DEL_REPLY);
1176 send_ip_details (vpe_api_main_t * am,
1177 unix_shared_memory_queue_t * q, u32 sw_if_index,
1178 u8 is_ipv6, u32 context)
1180 vl_api_ip_details_t *mp;
1182 mp = vl_msg_api_alloc (sizeof (*mp));
1183 memset (mp, 0, sizeof (*mp));
1184 mp->_vl_msg_id = ntohs (VL_API_IP_DETAILS);
1186 mp->sw_if_index = ntohl (sw_if_index);
1187 mp->is_ipv6 = is_ipv6;
1188 mp->context = context;
1190 vl_msg_api_send_shmem (q, (u8 *) & mp);
1194 send_ip_address_details (vpe_api_main_t * am,
1195 unix_shared_memory_queue_t * q,
1196 u8 * ip, u16 prefix_length,
1197 u32 sw_if_index, u8 is_ipv6, u32 context)
1199 vl_api_ip_address_details_t *mp;
1201 mp = vl_msg_api_alloc (sizeof (*mp));
1202 memset (mp, 0, sizeof (*mp));
1203 mp->_vl_msg_id = ntohs (VL_API_IP_ADDRESS_DETAILS);
1207 clib_memcpy (&mp->ip, ip, sizeof (mp->ip));
1211 u32 *tp = (u32 *) mp->ip;
1214 mp->prefix_length = prefix_length;
1215 mp->context = context;
1216 mp->sw_if_index = htonl (sw_if_index);
1217 mp->is_ipv6 = is_ipv6;
1219 vl_msg_api_send_shmem (q, (u8 *) & mp);
1223 vl_api_ip_address_dump_t_handler (vl_api_ip_address_dump_t * mp)
1225 vpe_api_main_t *am = &vpe_api_main;
1226 unix_shared_memory_queue_t *q;
1229 ip6_main_t *im6 = &ip6_main;
1230 ip4_main_t *im4 = &ip4_main;
1231 ip_lookup_main_t *lm6 = &im6->lookup_main;
1232 ip_lookup_main_t *lm4 = &im4->lookup_main;
1233 ip_interface_address_t *ia = 0;
1234 u32 sw_if_index = ~0;
1235 int rv __attribute__ ((unused)) = 0;
1237 VALIDATE_SW_IF_INDEX (mp);
1239 sw_if_index = ntohl (mp->sw_if_index);
1241 q = vl_api_client_index_to_input_queue (mp->client_index);
1248 foreach_ip_interface_address (lm6, ia, sw_if_index,
1249 1 /* honor unnumbered */,
1251 r6 = ip_interface_address_get_address (lm6, ia);
1252 u16 prefix_length = ia->address_length;
1253 send_ip_address_details(am, q, (u8*)r6, prefix_length,
1254 sw_if_index, 1, mp->context);
1261 foreach_ip_interface_address (lm4, ia, sw_if_index,
1262 1 /* honor unnumbered */,
1264 r4 = ip_interface_address_get_address (lm4, ia);
1265 u16 prefix_length = ia->address_length;
1266 send_ip_address_details(am, q, (u8*)r4, prefix_length,
1267 sw_if_index, 0, mp->context);
1271 BAD_SW_IF_INDEX_LABEL;
1275 vl_api_ip_dump_t_handler (vl_api_ip_dump_t * mp)
1277 vpe_api_main_t *am = &vpe_api_main;
1278 vnet_main_t *vnm = vnet_get_main ();
1279 vlib_main_t *vm = vlib_get_main ();
1280 vnet_interface_main_t *im = &vnm->interface_main;
1281 unix_shared_memory_queue_t *q;
1282 vnet_sw_interface_t *si, *sorted_sis;
1283 u32 sw_if_index = ~0;
1285 q = vl_api_client_index_to_input_queue (mp->client_index);
1291 /* Gather interfaces. */
1292 sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces));
1293 _vec_len (sorted_sis) = 0;
1295 pool_foreach (si, im->sw_interfaces,
1297 vec_add1 (sorted_sis, si[0]);
1301 vec_foreach (si, sorted_sis)
1303 if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1305 if (mp->is_ipv6 && !ip6_interface_enabled (vm, si->sw_if_index))
1309 sw_if_index = si->sw_if_index;
1310 send_ip_details (am, q, sw_if_index, mp->is_ipv6, mp->context);
1316 set_ip6_flow_hash (vl_api_set_ip_flow_hash_t * mp)
1318 vl_api_set_ip_flow_hash_reply_t *rmp;
1319 int rv = VNET_API_ERROR_UNIMPLEMENTED;
1321 clib_warning ("unimplemented...");
1323 REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
1327 set_ip4_flow_hash (vl_api_set_ip_flow_hash_t * mp)
1329 vl_api_set_ip_flow_hash_reply_t *rmp;
1332 flow_hash_config_t flow_hash_config = 0;
1334 table_id = ntohl (mp->vrf_id);
1336 #define _(a,b) if (mp->a) flow_hash_config |= b;
1337 foreach_flow_hash_bit;
1340 rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
1342 REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
1347 vl_api_set_ip_flow_hash_t_handler (vl_api_set_ip_flow_hash_t * mp)
1349 if (mp->is_ipv6 == 0)
1350 set_ip4_flow_hash (mp);
1352 set_ip6_flow_hash (mp);
1356 vl_api_sw_interface_ip6nd_ra_config_t_handler
1357 (vl_api_sw_interface_ip6nd_ra_config_t * mp)
1359 vl_api_sw_interface_ip6nd_ra_config_reply_t *rmp;
1360 vlib_main_t *vm = vlib_get_main ();
1362 u8 is_no, suppress, managed, other, ll_option, send_unicast, cease,
1365 is_no = mp->is_no == 1;
1366 suppress = mp->suppress == 1;
1367 managed = mp->managed == 1;
1368 other = mp->other == 1;
1369 ll_option = mp->ll_option == 1;
1370 send_unicast = mp->send_unicast == 1;
1371 cease = mp->cease == 1;
1372 default_router = mp->default_router == 1;
1374 VALIDATE_SW_IF_INDEX (mp);
1376 rv = ip6_neighbor_ra_config (vm, ntohl (mp->sw_if_index),
1377 suppress, managed, other,
1378 ll_option, send_unicast, cease,
1379 default_router, ntohl (mp->lifetime),
1380 ntohl (mp->initial_count),
1381 ntohl (mp->initial_interval),
1382 ntohl (mp->max_interval),
1383 ntohl (mp->min_interval), is_no);
1385 BAD_SW_IF_INDEX_LABEL;
1387 REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_CONFIG_REPLY);
1391 vl_api_sw_interface_ip6nd_ra_prefix_t_handler
1392 (vl_api_sw_interface_ip6nd_ra_prefix_t * mp)
1394 vlib_main_t *vm = vlib_get_main ();
1395 vl_api_sw_interface_ip6nd_ra_prefix_reply_t *rmp;
1397 u8 is_no, use_default, no_advertise, off_link, no_autoconfig, no_onlink;
1399 VALIDATE_SW_IF_INDEX (mp);
1401 is_no = mp->is_no == 1;
1402 use_default = mp->use_default == 1;
1403 no_advertise = mp->no_advertise == 1;
1404 off_link = mp->off_link == 1;
1405 no_autoconfig = mp->no_autoconfig == 1;
1406 no_onlink = mp->no_onlink == 1;
1408 rv = ip6_neighbor_ra_prefix (vm, ntohl (mp->sw_if_index),
1409 (ip6_address_t *) mp->address,
1410 mp->address_length, use_default,
1411 ntohl (mp->val_lifetime),
1412 ntohl (mp->pref_lifetime), no_advertise,
1413 off_link, no_autoconfig, no_onlink, is_no);
1415 BAD_SW_IF_INDEX_LABEL;
1416 REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_PREFIX_REPLY);
1420 send_ip6nd_proxy_details (unix_shared_memory_queue_t * q,
1422 const ip46_address_t * addr, u32 sw_if_index)
1424 vl_api_ip6nd_proxy_details_t *mp;
1426 mp = vl_msg_api_alloc (sizeof (*mp));
1427 memset (mp, 0, sizeof (*mp));
1428 mp->_vl_msg_id = ntohs (VL_API_IP6ND_PROXY_DETAILS);
1429 mp->context = context;
1430 mp->sw_if_index = htonl (sw_if_index);
1431 memcpy (mp->address, addr, 16);
1433 vl_msg_api_send_shmem (q, (u8 *) & mp);
1436 typedef struct api_ip6nd_proxy_fib_table_walk_ctx_t_
1439 } api_ip6nd_proxy_fib_table_walk_ctx_t;
1442 api_ip6nd_proxy_fib_table_walk (fib_node_index_t fei, void *arg)
1444 api_ip6nd_proxy_fib_table_walk_ctx_t *ctx = arg;
1446 if (fib_entry_is_sourced (fei, FIB_SOURCE_IP6_ND_PROXY))
1448 vec_add1 (ctx->indices, fei);
1455 vl_api_ip6nd_proxy_dump_t_handler (vl_api_ip6nd_proxy_dump_t * mp)
1457 ip6_main_t *im6 = &ip6_main;
1458 fib_table_t *fib_table;
1459 api_ip6nd_proxy_fib_table_walk_ctx_t ctx = {
1462 fib_node_index_t *feip;
1464 unix_shared_memory_queue_t *q;
1466 q = vl_api_client_index_to_input_queue (mp->client_index);
1473 pool_foreach (fib_table, im6->fibs,
1475 fib_table_walk(fib_table->ft_index,
1477 api_ip6nd_proxy_fib_table_walk,
1482 vec_sort_with_function (ctx.indices, fib_entry_cmp_for_sort);
1484 vec_foreach (feip, ctx.indices)
1486 fib_entry_get_prefix (*feip, &pfx);
1488 send_ip6nd_proxy_details (q,
1491 fib_entry_get_resolving_interface (*feip));
1494 vec_free (ctx.indices);
1498 vl_api_ip6nd_proxy_add_del_t_handler (vl_api_ip6nd_proxy_add_del_t * mp)
1500 vl_api_ip6nd_proxy_add_del_reply_t *rmp;
1503 VALIDATE_SW_IF_INDEX (mp);
1505 rv = ip6_neighbor_proxy_add_del (ntohl (mp->sw_if_index),
1506 (ip6_address_t *) mp->address, mp->is_del);
1508 BAD_SW_IF_INDEX_LABEL;
1509 REPLY_MACRO (VL_API_IP6ND_PROXY_ADD_DEL_REPLY);
1513 vl_api_sw_interface_ip6_enable_disable_t_handler
1514 (vl_api_sw_interface_ip6_enable_disable_t * mp)
1516 vlib_main_t *vm = vlib_get_main ();
1517 vl_api_sw_interface_ip6_enable_disable_reply_t *rmp;
1518 vnet_main_t *vnm = vnet_get_main ();
1520 clib_error_t *error;
1524 VALIDATE_SW_IF_INDEX (mp);
1527 (mp->enable == 1) ? enable_ip6_interface (vm,
1528 ntohl (mp->sw_if_index)) :
1529 disable_ip6_interface (vm, ntohl (mp->sw_if_index));
1533 clib_error_report (error);
1534 rv = VNET_API_ERROR_UNSPECIFIED;
1538 rv = vnm->api_errno;
1541 BAD_SW_IF_INDEX_LABEL;
1543 REPLY_MACRO (VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY);
1547 vl_api_sw_interface_ip6_set_link_local_address_t_handler
1548 (vl_api_sw_interface_ip6_set_link_local_address_t * mp)
1550 vlib_main_t *vm = vlib_get_main ();
1551 vl_api_sw_interface_ip6_set_link_local_address_reply_t *rmp;
1553 clib_error_t *error;
1554 vnet_main_t *vnm = vnet_get_main ();
1558 VALIDATE_SW_IF_INDEX (mp);
1560 error = set_ip6_link_local_address (vm,
1561 ntohl (mp->sw_if_index),
1562 (ip6_address_t *) mp->address);
1565 clib_error_report (error);
1566 rv = VNET_API_ERROR_UNSPECIFIED;
1570 rv = vnm->api_errno;
1573 BAD_SW_IF_INDEX_LABEL;
1575 REPLY_MACRO (VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_REPLY);
1579 vl_mfib_signal_send_one (unix_shared_memory_queue_t * q,
1580 u32 context, const mfib_signal_t * mfs)
1582 vl_api_mfib_signal_details_t *mp;
1583 mfib_prefix_t prefix;
1587 mp = vl_msg_api_alloc (sizeof (*mp));
1589 memset (mp, 0, sizeof (*mp));
1590 mp->_vl_msg_id = ntohs (VL_API_MFIB_SIGNAL_DETAILS);
1591 mp->context = context;
1593 mfi = mfib_itf_get (mfs->mfs_itf);
1594 mfib_entry_get_prefix (mfs->mfs_entry, &prefix);
1595 mfib = mfib_table_get (mfib_entry_get_fib_index (mfs->mfs_entry),
1597 mp->table_id = ntohl (mfib->mft_table_id);
1598 mp->sw_if_index = ntohl (mfi->mfi_sw_if_index);
1600 if (FIB_PROTOCOL_IP4 == prefix.fp_proto)
1602 mp->grp_address_len = ntohs (prefix.fp_len);
1604 memcpy (mp->grp_address, &prefix.fp_grp_addr.ip4, 4);
1605 if (prefix.fp_len > 32)
1607 memcpy (mp->src_address, &prefix.fp_src_addr.ip4, 4);
1612 mp->grp_address_len = ntohs (prefix.fp_len);
1617 if (0 != mfs->mfs_buffer_len)
1619 mp->ip_packet_len = ntohs (mfs->mfs_buffer_len);
1621 memcpy (mp->ip_packet_data, mfs->mfs_buffer, mfs->mfs_buffer_len);
1625 mp->ip_packet_len = 0;
1628 vl_msg_api_send_shmem (q, (u8 *) & mp);
1632 vl_api_mfib_signal_dump_t_handler (vl_api_mfib_signal_dump_t * mp)
1634 unix_shared_memory_queue_t *q;
1636 q = vl_api_client_index_to_input_queue (mp->client_index);
1642 while (q->cursize < q->maxsize && mfib_signal_send_one (q, mp->context))
1646 #define vl_msg_name_crc_list
1647 #include <vnet/ip/ip.api.h>
1648 #undef vl_msg_name_crc_list
1651 setup_message_id_table (api_main_t * am)
1653 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1654 foreach_vl_msg_name_crc_ip;
1658 static clib_error_t *
1659 ip_api_hookup (vlib_main_t * vm)
1661 api_main_t *am = &api_main;
1664 vl_msg_api_set_handlers(VL_API_##N, #n, \
1665 vl_api_##n##_t_handler, \
1667 vl_api_##n##_t_endian, \
1668 vl_api_##n##_t_print, \
1669 sizeof(vl_api_##n##_t), 1);
1674 * Set up the (msg_name, crc, message-id) table
1676 setup_message_id_table (am);
1681 VLIB_API_INIT_FUNCTION (ip_api_hookup);
1684 * fd.io coding-style-patch-verification: ON
1687 * eval: (c-set-style "gnu")