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 _(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable ) \
76 _(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS, \
77 sw_interface_ip6_set_link_local_address)
79 extern void stats_dslock_with_hint (int hint, int tag);
80 extern void stats_dsunlock (void);
83 send_ip_neighbor_details (u8 is_ipv6,
87 unix_shared_memory_queue_t * q, u32 context)
89 vl_api_ip_neighbor_details_t *mp;
91 mp = vl_msg_api_alloc (sizeof (*mp));
92 memset (mp, 0, sizeof (*mp));
93 mp->_vl_msg_id = ntohs (VL_API_IP_NEIGHBOR_DETAILS);
94 mp->context = context;
95 mp->is_ipv6 = is_ipv6;
96 mp->is_static = is_static;
97 memcpy (mp->mac_address, mac_address, 6);
98 memcpy (mp->ip_address, ip_address, (is_ipv6) ? 16 : 4);
100 vl_msg_api_send_shmem (q, (u8 *) & mp);
104 vl_api_ip_neighbor_dump_t_handler (vl_api_ip_neighbor_dump_t * mp)
106 unix_shared_memory_queue_t *q;
108 q = vl_api_client_index_to_input_queue (mp->client_index);
112 u32 sw_if_index = ntohl (mp->sw_if_index);
116 ip6_neighbor_t *n, *ns;
118 ns = ip6_neighbors_entries (sw_if_index);
122 send_ip_neighbor_details
123 (mp->is_ipv6, ((n->flags & IP6_NEIGHBOR_FLAG_STATIC) ? 1 : 0),
124 (u8 *) n->link_layer_address,
125 (u8 *) & (n->key.ip6_address.as_u8),
133 ethernet_arp_ip4_entry_t *n, *ns;
135 ns = ip4_neighbor_entries (sw_if_index);
139 send_ip_neighbor_details (mp->is_ipv6,
140 ((n->flags & ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC) ? 1 : 0),
141 (u8*) n->ethernet_address,
142 (u8*) & (n->ip4_address.as_u8),
152 copy_fib_next_hop (fib_route_path_encode_t * api_rpath, void *fp_arg)
155 vl_api_fib_path_t *fp = (vl_api_fib_path_t *) fp_arg;
157 if (api_rpath->rpath.frp_proto == FIB_PROTOCOL_IP4)
158 fp->afi = IP46_TYPE_IP4;
159 else if (api_rpath->rpath.frp_proto == FIB_PROTOCOL_IP6)
160 fp->afi = IP46_TYPE_IP6;
163 is_ip4 = ip46_address_is_ip4 (&api_rpath->rpath.frp_addr);
165 fp->afi = IP46_TYPE_IP4;
167 fp->afi = IP46_TYPE_IP6;
169 if (fp->afi == IP46_TYPE_IP4)
170 memcpy (fp->next_hop, &api_rpath->rpath.frp_addr.ip4,
171 sizeof (api_rpath->rpath.frp_addr.ip4));
173 memcpy (fp->next_hop, &api_rpath->rpath.frp_addr.ip6,
174 sizeof (api_rpath->rpath.frp_addr.ip6));
178 send_ip_fib_details (vpe_api_main_t * am,
179 unix_shared_memory_queue_t * q,
180 u32 table_id, fib_prefix_t * pfx,
181 fib_route_path_encode_t * api_rpaths, u32 context)
183 vl_api_ip_fib_details_t *mp;
184 fib_route_path_encode_t *api_rpath;
185 vl_api_fib_path_t *fp;
188 path_count = vec_len (api_rpaths);
189 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
192 memset (mp, 0, sizeof (*mp));
193 mp->_vl_msg_id = ntohs (VL_API_IP_FIB_DETAILS);
194 mp->context = context;
196 mp->table_id = htonl (table_id);
197 mp->address_length = pfx->fp_len;
198 memcpy (mp->address, &pfx->fp_addr.ip4, sizeof (pfx->fp_addr.ip4));
200 mp->count = htonl (path_count);
202 vec_foreach (api_rpath, api_rpaths)
204 memset (fp, 0, sizeof (*fp));
205 switch (api_rpath->dpo.dpoi_type)
214 switch (api_rpath->dpo.dpoi_index)
216 case IP_NULL_ACTION_NONE:
219 case IP_NULL_ACTION_SEND_ICMP_UNREACH:
220 fp->is_unreach = true;
222 case IP_NULL_ACTION_SEND_ICMP_PROHIBIT:
223 fp->is_prohibit = true;
232 fp->weight = htonl (api_rpath->rpath.frp_weight);
233 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
234 copy_fib_next_hop (api_rpath, fp);
238 vl_msg_api_send_shmem (q, (u8 *) & mp);
242 vl_api_ip_fib_dump_t_handler (vl_api_ip_fib_dump_t * mp)
244 vpe_api_main_t *am = &vpe_api_main;
245 unix_shared_memory_queue_t *q;
246 ip4_main_t *im = &ip4_main;
247 fib_table_t *fib_table;
248 fib_node_index_t lfei, *lfeip, *lfeis = NULL;
252 fib_route_path_encode_t *api_rpaths;
255 q = vl_api_client_index_to_input_queue (mp->client_index);
260 pool_foreach (fib_table, im->fibs,
262 for (i = 0; i < ARRAY_LEN (fib_table->v4.fib_entry_by_dst_address); i++)
264 hash_foreach(key, lfei, fib_table->v4.fib_entry_by_dst_address[i],
266 vec_add1(lfeis, lfei);
272 vec_sort_with_function (lfeis, fib_entry_cmp_for_sort);
274 vec_foreach (lfeip, lfeis)
276 fib_entry_get_prefix (*lfeip, &pfx);
277 fib_index = fib_entry_get_fib_index (*lfeip);
278 fib_table = fib_table_get (fib_index, pfx.fp_proto);
280 fib_entry_encode (*lfeip, &api_rpaths);
281 send_ip_fib_details (am, q,
282 fib_table->ft_table_id, &pfx, api_rpaths,
284 vec_free (api_rpaths);
291 send_ip6_fib_details (vpe_api_main_t * am,
292 unix_shared_memory_queue_t * q,
293 u32 table_id, fib_prefix_t * pfx,
294 fib_route_path_encode_t * api_rpaths, u32 context)
296 vl_api_ip6_fib_details_t *mp;
297 fib_route_path_encode_t *api_rpath;
298 vl_api_fib_path_t *fp;
301 path_count = vec_len (api_rpaths);
302 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
305 memset (mp, 0, sizeof (*mp));
306 mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS);
307 mp->context = context;
309 mp->table_id = htonl (table_id);
310 mp->address_length = pfx->fp_len;
311 memcpy (mp->address, &pfx->fp_addr.ip6, sizeof (pfx->fp_addr.ip6));
313 mp->count = htonl (path_count);
315 vec_foreach (api_rpath, api_rpaths)
317 memset (fp, 0, sizeof (*fp));
318 switch (api_rpath->dpo.dpoi_type)
327 switch (api_rpath->dpo.dpoi_index)
329 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_NONE:
332 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_UNREACH:
333 fp->is_unreach = true;
335 case IP_NULL_DPO_ACTION_NUM + IP_NULL_ACTION_SEND_ICMP_PROHIBIT:
336 fp->is_prohibit = true;
345 fp->weight = htonl (api_rpath->rpath.frp_weight);
346 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
347 copy_fib_next_hop (api_rpath, fp);
351 vl_msg_api_send_shmem (q, (u8 *) & mp);
354 typedef struct apt_ip6_fib_show_ctx_t_
357 fib_node_index_t *entries;
358 } api_ip6_fib_show_ctx_t;
361 api_ip6_fib_table_put_entries (clib_bihash_kv_24_8_t * kvp, void *arg)
363 api_ip6_fib_show_ctx_t *ctx = arg;
365 if ((kvp->key[2] >> 32) == ctx->fib_index)
367 vec_add1 (ctx->entries, kvp->value);
372 api_ip6_fib_table_get_all (unix_shared_memory_queue_t * q,
373 vl_api_ip6_fib_dump_t * mp,
374 fib_table_t * fib_table)
376 vpe_api_main_t *am = &vpe_api_main;
377 ip6_main_t *im6 = &ip6_main;
378 ip6_fib_t *fib = &fib_table->v6;
379 fib_node_index_t *fib_entry_index;
380 api_ip6_fib_show_ctx_t ctx = {
381 .fib_index = fib->index,.entries = NULL,
383 fib_route_path_encode_t *api_rpaths;
386 BV (clib_bihash_foreach_key_value_pair)
387 ((BVT (clib_bihash) *) & im6->ip6_table[IP6_FIB_TABLE_NON_FWDING].
388 ip6_hash, api_ip6_fib_table_put_entries, &ctx);
390 vec_sort_with_function (ctx.entries, fib_entry_cmp_for_sort);
392 vec_foreach (fib_entry_index, ctx.entries)
394 fib_entry_get_prefix (*fib_entry_index, &pfx);
396 fib_entry_encode (*fib_entry_index, &api_rpaths);
397 send_ip6_fib_details (am, q,
398 fib_table->ft_table_id,
399 &pfx, api_rpaths, mp->context);
400 vec_free (api_rpaths);
403 vec_free (ctx.entries);
407 vl_api_ip6_fib_dump_t_handler (vl_api_ip6_fib_dump_t * mp)
409 unix_shared_memory_queue_t *q;
410 ip6_main_t *im6 = &ip6_main;
411 fib_table_t *fib_table;
413 q = vl_api_client_index_to_input_queue (mp->client_index);
418 pool_foreach (fib_table, im6->fibs,
420 api_ip6_fib_table_get_all(q, mp, fib_table);
426 send_ip_mfib_details (vpe_api_main_t * am,
427 unix_shared_memory_queue_t * q,
430 fib_route_path_encode_t * api_rpaths, u32 context)
432 vl_api_ip_mfib_details_t *mp;
433 fib_route_path_encode_t *api_rpath;
434 vl_api_fib_path_t *fp;
437 path_count = vec_len (api_rpaths);
438 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
441 memset (mp, 0, sizeof (*mp));
442 mp->_vl_msg_id = ntohs (VL_API_IP_FIB_DETAILS);
443 mp->context = context;
445 mp->table_id = htonl (table_id);
446 mp->address_length = pfx->fp_len;
447 memcpy (mp->grp_address, &pfx->fp_grp_addr.ip4,
448 sizeof (pfx->fp_grp_addr.ip4));
449 memcpy (mp->src_address, &pfx->fp_src_addr.ip4,
450 sizeof (pfx->fp_src_addr.ip4));
452 mp->count = htonl (path_count);
454 vec_foreach (api_rpath, api_rpaths)
456 memset (fp, 0, sizeof (*fp));
459 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
460 copy_fib_next_hop (api_rpath, fp);
464 vl_msg_api_send_shmem (q, (u8 *) & mp);
467 typedef struct vl_api_ip_mfib_dump_ctc_t_
469 fib_node_index_t *entries;
470 } vl_api_ip_mfib_dump_ctc_t;
473 vl_api_ip_mfib_table_dump_walk (fib_node_index_t fei, void *arg)
475 vl_api_ip_mfib_dump_ctc_t *ctx = arg;
477 vec_add1 (ctx->entries, fei);
483 vl_api_ip_mfib_dump_t_handler (vl_api_ip_mfib_dump_t * mp)
485 vpe_api_main_t *am = &vpe_api_main;
486 unix_shared_memory_queue_t *q;
487 ip4_main_t *im = &ip4_main;
488 mfib_table_t *mfib_table;
489 fib_node_index_t *mfeip;
491 fib_route_path_encode_t *api_rpaths = NULL;
492 vl_api_ip_mfib_dump_ctc_t ctx = {
496 q = vl_api_client_index_to_input_queue (mp->client_index);
502 pool_foreach (mfib_table, im->mfibs,
504 ip4_mfib_table_walk(&mfib_table->v4,
505 vl_api_ip_mfib_table_dump_walk,
508 vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort);
510 vec_foreach (mfeip, ctx.entries)
512 mfib_entry_get_prefix (*mfeip, &pfx);
513 mfib_entry_encode (*mfeip, &api_rpaths);
514 send_ip_mfib_details (am, q,
515 mfib_table->mft_table_id,
519 vec_reset_length (api_rpaths);
520 vec_reset_length (ctx.entries);
525 vec_free (ctx.entries);
526 vec_free (api_rpaths);
530 send_ip6_mfib_details (vpe_api_main_t * am,
531 unix_shared_memory_queue_t * q,
534 fib_route_path_encode_t * api_rpaths, u32 context)
536 vl_api_ip6_mfib_details_t *mp;
537 fib_route_path_encode_t *api_rpath;
538 vl_api_fib_path_t *fp;
541 path_count = vec_len (api_rpaths);
542 mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
545 memset (mp, 0, sizeof (*mp));
546 mp->_vl_msg_id = ntohs (VL_API_IP6_FIB_DETAILS);
547 mp->context = context;
549 mp->table_id = htonl (table_id);
550 mp->address_length = pfx->fp_len;
551 memcpy (mp->grp_address, &pfx->fp_grp_addr.ip6,
552 sizeof (pfx->fp_grp_addr.ip6));
553 memcpy (mp->src_address, &pfx->fp_src_addr.ip6,
554 sizeof (pfx->fp_src_addr.ip6));
556 mp->count = htonl (path_count);
558 vec_foreach (api_rpath, api_rpaths)
560 memset (fp, 0, sizeof (*fp));
563 fp->sw_if_index = htonl (api_rpath->rpath.frp_sw_if_index);
564 copy_fib_next_hop (api_rpath, fp);
568 vl_msg_api_send_shmem (q, (u8 *) & mp);
571 typedef struct vl_api_ip6_mfib_dump_ctc_t_
573 fib_node_index_t *entries;
574 } vl_api_ip6_mfib_dump_ctc_t;
577 vl_api_ip6_mfib_table_dump_walk (fib_node_index_t fei, void *arg)
579 vl_api_ip6_mfib_dump_ctc_t *ctx = arg;
581 vec_add1 (ctx->entries, fei);
587 vl_api_ip6_mfib_dump_t_handler (vl_api_ip6_mfib_dump_t * mp)
589 vpe_api_main_t *am = &vpe_api_main;
590 unix_shared_memory_queue_t *q;
591 ip6_main_t *im = &ip6_main;
592 mfib_table_t *mfib_table;
593 fib_node_index_t *mfeip;
595 fib_route_path_encode_t *api_rpaths = NULL;
596 vl_api_ip6_mfib_dump_ctc_t ctx = {
600 q = vl_api_client_index_to_input_queue (mp->client_index);
606 pool_foreach (mfib_table, im->mfibs,
608 ip6_mfib_table_walk(&mfib_table->v6,
609 vl_api_ip6_mfib_table_dump_walk,
612 vec_sort_with_function (ctx.entries, mfib_entry_cmp_for_sort);
614 vec_foreach(mfeip, ctx.entries)
616 mfib_entry_get_prefix (*mfeip, &pfx);
617 mfib_entry_encode (*mfeip, &api_rpaths);
618 send_ip6_mfib_details (am, q,
619 mfib_table->mft_table_id,
623 vec_reset_length (api_rpaths);
624 vec_reset_length (ctx.entries);
629 vec_free (ctx.entries);
630 vec_free (api_rpaths);
634 vl_api_ip_neighbor_add_del_t_handler (vl_api_ip_neighbor_add_del_t * mp,
637 vl_api_ip_neighbor_add_del_reply_t *rmp;
638 vnet_main_t *vnm = vnet_get_main ();
641 VALIDATE_SW_IF_INDEX (mp);
643 stats_dslock_with_hint (1 /* release hint */ , 7 /* tag */ );
646 * there's no validation here of the ND/ARP entry being added.
647 * The expectation is that the FIB will ensure that nothing bad
648 * will come of adding bogus entries.
653 rv = vnet_set_ip6_ethernet_neighbor
654 (vm, ntohl (mp->sw_if_index),
655 (ip6_address_t *) (mp->dst_address),
656 mp->mac_address, sizeof (mp->mac_address), mp->is_static);
658 rv = vnet_unset_ip6_ethernet_neighbor
659 (vm, ntohl (mp->sw_if_index),
660 (ip6_address_t *) (mp->dst_address),
661 mp->mac_address, sizeof (mp->mac_address));
665 ethernet_arp_ip4_over_ethernet_address_t a;
667 clib_memcpy (&a.ethernet, mp->mac_address, 6);
668 clib_memcpy (&a.ip4, mp->dst_address, 4);
671 rv = vnet_arp_set_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index),
675 vnet_arp_unset_ip4_over_ethernet (vnm, ntohl (mp->sw_if_index), &a);
678 BAD_SW_IF_INDEX_LABEL;
681 REPLY_MACRO (VL_API_IP_NEIGHBOR_ADD_DEL_REPLY);
685 add_del_route_t_handler (u8 is_multipath,
692 u32 classify_table_index,
694 u8 is_resolve_attached,
696 const fib_prefix_t * prefix,
697 u8 next_hop_proto_is_ip4,
698 const ip46_address_t * next_hop,
699 u32 next_hop_sw_if_index,
700 u8 next_hop_fib_index,
702 mpls_label_t next_hop_via_label,
703 mpls_label_t * next_hop_out_label_stack)
705 vnet_classify_main_t *cm = &vnet_classify_main;
706 fib_route_path_flags_t path_flags = FIB_ROUTE_PATH_FLAG_NONE;
707 fib_route_path_t path = {
708 .frp_proto = (next_hop_proto_is_ip4 ?
709 FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6),
710 .frp_addr = (NULL == next_hop ? zero_addr : *next_hop),
711 .frp_sw_if_index = next_hop_sw_if_index,
712 .frp_fib_index = next_hop_fib_index,
713 .frp_weight = next_hop_weight,
714 .frp_label_stack = next_hop_out_label_stack,
716 fib_route_path_t *paths = NULL;
718 if (MPLS_LABEL_INVALID != next_hop_via_label)
720 path.frp_proto = FIB_PROTOCOL_MPLS;
721 path.frp_local_label = next_hop_via_label;
724 path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_HOST;
725 if (is_resolve_attached)
726 path_flags |= FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED;
728 path.frp_flags = path_flags;
732 stats_dslock_with_hint (1 /* release hint */ , 10 /* tag */ );
735 vec_add1 (paths, path);
738 fib_table_entry_path_add2 (fib_index,
741 FIB_ENTRY_FLAG_NONE, paths);
743 fib_table_entry_path_remove2 (fib_index,
744 prefix, FIB_SOURCE_API, paths);
751 stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
753 if (is_drop || is_local || is_classify || is_unreach || is_prohibit)
756 * special route types that link directly to the adj
760 dpo_id_t dpo = DPO_INVALID;
763 dproto = fib_proto_to_dpo (prefix->fp_proto);
766 ip_null_dpo_add_and_lock (dproto, IP_NULL_ACTION_NONE, &dpo);
768 receive_dpo_add_or_lock (dproto, ~0, NULL, &dpo);
770 ip_null_dpo_add_and_lock (dproto,
771 IP_NULL_ACTION_SEND_ICMP_UNREACH, &dpo);
772 else if (is_prohibit)
773 ip_null_dpo_add_and_lock (dproto,
774 IP_NULL_ACTION_SEND_ICMP_PROHIBIT,
776 else if (is_classify)
778 if (pool_is_free_index (cm->tables,
779 ntohl (classify_table_index)))
782 return VNET_API_ERROR_NO_SUCH_TABLE;
785 dpo_set (&dpo, DPO_CLASSIFY, dproto,
786 classify_dpo_create (dproto,
787 ntohl (classify_table_index)));
792 return VNET_API_ERROR_NO_SUCH_TABLE;
795 fib_table_entry_special_dpo_update (fib_index,
798 FIB_ENTRY_FLAG_EXCLUSIVE, &dpo);
803 fib_table_entry_special_remove (fib_index, prefix, FIB_SOURCE_API);
810 vec_add1 (paths, path);
811 fib_table_entry_update (fib_index,
813 FIB_SOURCE_API, FIB_ENTRY_FLAG_NONE, paths);
818 fib_table_entry_delete (fib_index, prefix, FIB_SOURCE_API);
827 add_del_route_check (fib_protocol_t table_proto,
829 u32 next_hop_sw_if_index,
830 fib_protocol_t next_hop_table_proto,
831 u32 next_hop_table_id,
832 u8 create_missing_tables,
833 u32 * fib_index, u32 * next_hop_fib_index)
835 vnet_main_t *vnm = vnet_get_main ();
837 *fib_index = fib_table_find (table_proto, ntohl (table_id));
838 if (~0 == *fib_index)
840 if (create_missing_tables)
842 *fib_index = fib_table_find_or_create_and_lock (table_proto,
847 /* No such VRF, and we weren't asked to create one */
848 return VNET_API_ERROR_NO_SUCH_FIB;
852 if (~0 != ntohl (next_hop_sw_if_index))
854 if (pool_is_free_index (vnm->interface_main.sw_interfaces,
855 ntohl (next_hop_sw_if_index)))
857 return VNET_API_ERROR_NO_MATCHING_INTERFACE;
862 *next_hop_fib_index = fib_table_find (next_hop_table_proto,
863 ntohl (next_hop_table_id));
865 if (~0 == *next_hop_fib_index)
867 if (create_missing_tables)
869 *next_hop_fib_index =
870 fib_table_find_or_create_and_lock (next_hop_table_proto,
871 ntohl (next_hop_table_id));
875 /* No such VRF, and we weren't asked to create one */
876 return VNET_API_ERROR_NO_SUCH_FIB;
885 ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
887 u32 fib_index, next_hop_fib_index;
888 mpls_label_t *label_stack = NULL;
889 int rv, ii, n_labels;;
891 rv = add_del_route_check (FIB_PROTOCOL_IP4,
893 mp->next_hop_sw_if_index,
895 mp->next_hop_table_id,
896 mp->create_vrf_if_needed,
897 &fib_index, &next_hop_fib_index);
903 .fp_len = mp->dst_address_length,
904 .fp_proto = FIB_PROTOCOL_IP4,
906 clib_memcpy (&pfx.fp_addr.ip4, mp->dst_address, sizeof (pfx.fp_addr.ip4));
909 memset (&nh, 0, sizeof (nh));
910 memcpy (&nh.ip4, mp->next_hop_address, sizeof (nh.ip4));
912 n_labels = mp->next_hop_n_out_labels;
915 else if (1 == n_labels)
916 vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0]));
919 vec_validate (label_stack, n_labels - 1);
920 for (ii = 0; ii < n_labels; ii++)
921 label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]);
924 return (add_del_route_t_handler (mp->is_multipath,
931 mp->classify_table_index,
933 mp->is_resolve_attached,
936 ntohl (mp->next_hop_sw_if_index),
939 ntohl (mp->next_hop_via_label),
944 ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
946 u32 fib_index, next_hop_fib_index;
947 mpls_label_t *label_stack = NULL;
948 int rv, ii, n_labels;;
950 rv = add_del_route_check (FIB_PROTOCOL_IP6,
952 mp->next_hop_sw_if_index,
954 mp->next_hop_table_id,
955 mp->create_vrf_if_needed,
956 &fib_index, &next_hop_fib_index);
962 .fp_len = mp->dst_address_length,
963 .fp_proto = FIB_PROTOCOL_IP6,
965 clib_memcpy (&pfx.fp_addr.ip6, mp->dst_address, sizeof (pfx.fp_addr.ip6));
968 memset (&nh, 0, sizeof (nh));
969 memcpy (&nh.ip6, mp->next_hop_address, sizeof (nh.ip6));
971 n_labels = mp->next_hop_n_out_labels;
974 else if (1 == n_labels)
975 vec_add1 (label_stack, ntohl (mp->next_hop_out_label_stack[0]));
978 vec_validate (label_stack, n_labels - 1);
979 for (ii = 0; ii < n_labels; ii++)
980 label_stack[ii] = ntohl (mp->next_hop_out_label_stack[ii]);
983 return (add_del_route_t_handler (mp->is_multipath,
990 mp->classify_table_index,
992 mp->is_resolve_attached,
994 &nh, ntohl (mp->next_hop_sw_if_index),
997 ntohl (mp->next_hop_via_label),
1002 vl_api_ip_add_del_route_t_handler (vl_api_ip_add_del_route_t * mp)
1004 vl_api_ip_add_del_route_reply_t *rmp;
1006 vnet_main_t *vnm = vnet_get_main ();
1011 rv = ip6_add_del_route_t_handler (mp);
1013 rv = ip4_add_del_route_t_handler (mp);
1015 rv = (rv == 0) ? vnm->api_errno : rv;
1017 REPLY_MACRO (VL_API_IP_ADD_DEL_ROUTE_REPLY);
1021 add_del_mroute_check (fib_protocol_t table_proto,
1023 u32 next_hop_sw_if_index,
1024 u8 is_local, u8 create_missing_tables, u32 * fib_index)
1026 vnet_main_t *vnm = vnet_get_main ();
1028 *fib_index = mfib_table_find (table_proto, ntohl (table_id));
1029 if (~0 == *fib_index)
1031 if (create_missing_tables)
1033 *fib_index = mfib_table_find_or_create_and_lock (table_proto,
1038 /* No such VRF, and we weren't asked to create one */
1039 return VNET_API_ERROR_NO_SUCH_FIB;
1043 if (~0 != ntohl (next_hop_sw_if_index))
1045 if (pool_is_free_index (vnm->interface_main.sw_interfaces,
1046 ntohl (next_hop_sw_if_index)))
1048 return VNET_API_ERROR_NO_MATCHING_INTERFACE;
1056 mroute_add_del_handler (u8 is_add,
1059 const mfib_prefix_t * prefix,
1061 u32 next_hop_sw_if_index, u32 itf_flags)
1063 stats_dslock_with_hint (1 /* release hint */ , 2 /* tag */ );
1065 fib_route_path_t path = {
1066 .frp_sw_if_index = next_hop_sw_if_index,
1067 .frp_proto = prefix->fp_proto,
1071 path.frp_flags |= FIB_ROUTE_PATH_LOCAL;
1074 if (!is_local && ~0 == next_hop_sw_if_index)
1076 mfib_table_entry_update (fib_index, prefix,
1077 MFIB_SOURCE_API, entry_flags);
1083 mfib_table_entry_path_update (fib_index, prefix,
1084 MFIB_SOURCE_API, &path, itf_flags);
1088 mfib_table_entry_path_remove (fib_index, prefix,
1089 MFIB_SOURCE_API, &path);
1098 api_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
1100 fib_protocol_t fproto;
1104 fproto = (mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
1105 rv = add_del_mroute_check (fproto,
1107 mp->next_hop_sw_if_index,
1109 mp->create_vrf_if_needed, &fib_index);
1114 mfib_prefix_t pfx = {
1115 .fp_len = ntohs (mp->grp_address_length),
1119 if (FIB_PROTOCOL_IP4 == fproto)
1121 clib_memcpy (&pfx.fp_grp_addr.ip4, mp->grp_address,
1122 sizeof (pfx.fp_grp_addr.ip4));
1123 clib_memcpy (&pfx.fp_src_addr.ip4, mp->src_address,
1124 sizeof (pfx.fp_src_addr.ip4));
1128 clib_memcpy (&pfx.fp_grp_addr.ip6, mp->grp_address,
1129 sizeof (pfx.fp_grp_addr.ip6));
1130 clib_memcpy (&pfx.fp_src_addr.ip6, mp->src_address,
1131 sizeof (pfx.fp_src_addr.ip6));
1134 return (mroute_add_del_handler (mp->is_add,
1137 ntohl (mp->entry_flags),
1138 ntohl (mp->next_hop_sw_if_index),
1139 ntohl (mp->itf_flags)));
1143 vl_api_ip_mroute_add_del_t_handler (vl_api_ip_mroute_add_del_t * mp)
1145 vl_api_ip_mroute_add_del_reply_t *rmp;
1147 vnet_main_t *vnm = vnet_get_main ();
1151 rv = api_mroute_add_del_t_handler (mp);
1153 rv = (rv == 0) ? vnm->api_errno : rv;
1155 REPLY_MACRO (VL_API_IP_MROUTE_ADD_DEL_REPLY);
1159 send_ip_details (vpe_api_main_t * am,
1160 unix_shared_memory_queue_t * q, u32 sw_if_index,
1161 u8 is_ipv6, u32 context)
1163 vl_api_ip_details_t *mp;
1165 mp = vl_msg_api_alloc (sizeof (*mp));
1166 memset (mp, 0, sizeof (*mp));
1167 mp->_vl_msg_id = ntohs (VL_API_IP_DETAILS);
1169 mp->sw_if_index = ntohl (sw_if_index);
1170 mp->is_ipv6 = is_ipv6;
1171 mp->context = context;
1173 vl_msg_api_send_shmem (q, (u8 *) & mp);
1177 send_ip_address_details (vpe_api_main_t * am,
1178 unix_shared_memory_queue_t * q,
1179 u8 * ip, u16 prefix_length,
1180 u32 sw_if_index, u8 is_ipv6, u32 context)
1182 vl_api_ip_address_details_t *mp;
1184 mp = vl_msg_api_alloc (sizeof (*mp));
1185 memset (mp, 0, sizeof (*mp));
1186 mp->_vl_msg_id = ntohs (VL_API_IP_ADDRESS_DETAILS);
1190 clib_memcpy (&mp->ip, ip, sizeof (mp->ip));
1194 u32 *tp = (u32 *) mp->ip;
1197 mp->prefix_length = prefix_length;
1198 mp->context = context;
1199 mp->sw_if_index = htonl (sw_if_index);
1200 mp->is_ipv6 = is_ipv6;
1202 vl_msg_api_send_shmem (q, (u8 *) & mp);
1206 vl_api_ip_address_dump_t_handler (vl_api_ip_address_dump_t * mp)
1208 vpe_api_main_t *am = &vpe_api_main;
1209 unix_shared_memory_queue_t *q;
1212 ip6_main_t *im6 = &ip6_main;
1213 ip4_main_t *im4 = &ip4_main;
1214 ip_lookup_main_t *lm6 = &im6->lookup_main;
1215 ip_lookup_main_t *lm4 = &im4->lookup_main;
1216 ip_interface_address_t *ia = 0;
1217 u32 sw_if_index = ~0;
1218 int rv __attribute__ ((unused)) = 0;
1220 VALIDATE_SW_IF_INDEX (mp);
1222 sw_if_index = ntohl (mp->sw_if_index);
1224 q = vl_api_client_index_to_input_queue (mp->client_index);
1231 foreach_ip_interface_address (lm6, ia, sw_if_index,
1232 1 /* honor unnumbered */,
1234 r6 = ip_interface_address_get_address (lm6, ia);
1235 u16 prefix_length = ia->address_length;
1236 send_ip_address_details(am, q, (u8*)r6, prefix_length,
1237 sw_if_index, 1, mp->context);
1244 foreach_ip_interface_address (lm4, ia, sw_if_index,
1245 1 /* honor unnumbered */,
1247 r4 = ip_interface_address_get_address (lm4, ia);
1248 u16 prefix_length = ia->address_length;
1249 send_ip_address_details(am, q, (u8*)r4, prefix_length,
1250 sw_if_index, 0, mp->context);
1254 BAD_SW_IF_INDEX_LABEL;
1258 vl_api_ip_dump_t_handler (vl_api_ip_dump_t * mp)
1260 vpe_api_main_t *am = &vpe_api_main;
1261 vnet_main_t *vnm = vnet_get_main ();
1262 vlib_main_t *vm = vlib_get_main ();
1263 vnet_interface_main_t *im = &vnm->interface_main;
1264 unix_shared_memory_queue_t *q;
1265 vnet_sw_interface_t *si, *sorted_sis;
1266 u32 sw_if_index = ~0;
1268 q = vl_api_client_index_to_input_queue (mp->client_index);
1274 /* Gather interfaces. */
1275 sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces));
1276 _vec_len (sorted_sis) = 0;
1278 pool_foreach (si, im->sw_interfaces,
1280 vec_add1 (sorted_sis, si[0]);
1284 vec_foreach (si, sorted_sis)
1286 if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1288 if (mp->is_ipv6 && !ip6_interface_enabled (vm, si->sw_if_index))
1292 sw_if_index = si->sw_if_index;
1293 send_ip_details (am, q, sw_if_index, mp->is_ipv6, mp->context);
1299 set_ip6_flow_hash (vl_api_set_ip_flow_hash_t * mp)
1301 vl_api_set_ip_flow_hash_reply_t *rmp;
1302 int rv = VNET_API_ERROR_UNIMPLEMENTED;
1304 clib_warning ("unimplemented...");
1306 REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
1310 set_ip4_flow_hash (vl_api_set_ip_flow_hash_t * mp)
1312 vl_api_set_ip_flow_hash_reply_t *rmp;
1315 flow_hash_config_t flow_hash_config = 0;
1317 table_id = ntohl (mp->vrf_id);
1319 #define _(a,b) if (mp->a) flow_hash_config |= b;
1320 foreach_flow_hash_bit;
1323 rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
1325 REPLY_MACRO (VL_API_SET_IP_FLOW_HASH_REPLY);
1330 vl_api_set_ip_flow_hash_t_handler (vl_api_set_ip_flow_hash_t * mp)
1332 if (mp->is_ipv6 == 0)
1333 set_ip4_flow_hash (mp);
1335 set_ip6_flow_hash (mp);
1339 vl_api_sw_interface_ip6nd_ra_config_t_handler
1340 (vl_api_sw_interface_ip6nd_ra_config_t * mp)
1342 vl_api_sw_interface_ip6nd_ra_config_reply_t *rmp;
1343 vlib_main_t *vm = vlib_get_main ();
1345 u8 is_no, suppress, managed, other, ll_option, send_unicast, cease,
1348 is_no = mp->is_no == 1;
1349 suppress = mp->suppress == 1;
1350 managed = mp->managed == 1;
1351 other = mp->other == 1;
1352 ll_option = mp->ll_option == 1;
1353 send_unicast = mp->send_unicast == 1;
1354 cease = mp->cease == 1;
1355 default_router = mp->default_router == 1;
1357 VALIDATE_SW_IF_INDEX (mp);
1359 rv = ip6_neighbor_ra_config (vm, ntohl (mp->sw_if_index),
1360 suppress, managed, other,
1361 ll_option, send_unicast, cease,
1362 default_router, ntohl (mp->lifetime),
1363 ntohl (mp->initial_count),
1364 ntohl (mp->initial_interval),
1365 ntohl (mp->max_interval),
1366 ntohl (mp->min_interval), is_no);
1368 BAD_SW_IF_INDEX_LABEL;
1370 REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_CONFIG_REPLY);
1374 vl_api_sw_interface_ip6nd_ra_prefix_t_handler
1375 (vl_api_sw_interface_ip6nd_ra_prefix_t * mp)
1377 vlib_main_t *vm = vlib_get_main ();
1378 vl_api_sw_interface_ip6nd_ra_prefix_reply_t *rmp;
1380 u8 is_no, use_default, no_advertise, off_link, no_autoconfig, no_onlink;
1382 VALIDATE_SW_IF_INDEX (mp);
1384 is_no = mp->is_no == 1;
1385 use_default = mp->use_default == 1;
1386 no_advertise = mp->no_advertise == 1;
1387 off_link = mp->off_link == 1;
1388 no_autoconfig = mp->no_autoconfig == 1;
1389 no_onlink = mp->no_onlink == 1;
1391 rv = ip6_neighbor_ra_prefix (vm, ntohl (mp->sw_if_index),
1392 (ip6_address_t *) mp->address,
1393 mp->address_length, use_default,
1394 ntohl (mp->val_lifetime),
1395 ntohl (mp->pref_lifetime), no_advertise,
1396 off_link, no_autoconfig, no_onlink, is_no);
1398 BAD_SW_IF_INDEX_LABEL;
1399 REPLY_MACRO (VL_API_SW_INTERFACE_IP6ND_RA_PREFIX_REPLY);
1403 vl_api_sw_interface_ip6_enable_disable_t_handler
1404 (vl_api_sw_interface_ip6_enable_disable_t * mp)
1406 vlib_main_t *vm = vlib_get_main ();
1407 vl_api_sw_interface_ip6_enable_disable_reply_t *rmp;
1408 vnet_main_t *vnm = vnet_get_main ();
1410 clib_error_t *error;
1414 VALIDATE_SW_IF_INDEX (mp);
1417 (mp->enable == 1) ? enable_ip6_interface (vm,
1418 ntohl (mp->sw_if_index)) :
1419 disable_ip6_interface (vm, ntohl (mp->sw_if_index));
1423 clib_error_report (error);
1424 rv = VNET_API_ERROR_UNSPECIFIED;
1428 rv = vnm->api_errno;
1431 BAD_SW_IF_INDEX_LABEL;
1433 REPLY_MACRO (VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY);
1437 vl_api_sw_interface_ip6_set_link_local_address_t_handler
1438 (vl_api_sw_interface_ip6_set_link_local_address_t * mp)
1440 vlib_main_t *vm = vlib_get_main ();
1441 vl_api_sw_interface_ip6_set_link_local_address_reply_t *rmp;
1443 clib_error_t *error;
1444 vnet_main_t *vnm = vnet_get_main ();
1448 VALIDATE_SW_IF_INDEX (mp);
1450 error = set_ip6_link_local_address (vm,
1451 ntohl (mp->sw_if_index),
1452 (ip6_address_t *) mp->address);
1455 clib_error_report (error);
1456 rv = VNET_API_ERROR_UNSPECIFIED;
1460 rv = vnm->api_errno;
1463 BAD_SW_IF_INDEX_LABEL;
1465 REPLY_MACRO (VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_REPLY);
1469 vl_mfib_signal_send_one (unix_shared_memory_queue_t * q,
1470 u32 context, const mfib_signal_t * mfs)
1472 vl_api_mfib_signal_details_t *mp;
1473 mfib_prefix_t prefix;
1477 mp = vl_msg_api_alloc (sizeof (*mp));
1479 memset (mp, 0, sizeof (*mp));
1480 mp->_vl_msg_id = ntohs (VL_API_MFIB_SIGNAL_DETAILS);
1481 mp->context = context;
1483 mfi = mfib_itf_get (mfs->mfs_itf);
1484 mfib_entry_get_prefix (mfs->mfs_entry, &prefix);
1485 mfib = mfib_table_get (mfib_entry_get_fib_index (mfs->mfs_entry),
1487 mp->table_id = ntohl (mfib->mft_table_id);
1488 mp->sw_if_index = ntohl (mfi->mfi_sw_if_index);
1490 if (FIB_PROTOCOL_IP4 == prefix.fp_proto)
1492 mp->grp_address_len = ntohs (prefix.fp_len);
1494 memcpy (mp->grp_address, &prefix.fp_grp_addr.ip4, 4);
1495 if (prefix.fp_len > 32)
1497 memcpy (mp->src_address, &prefix.fp_src_addr.ip4, 4);
1502 mp->grp_address_len = ntohs (prefix.fp_len);
1507 if (0 != mfs->mfs_buffer_len)
1509 mp->ip_packet_len = ntohs (mfs->mfs_buffer_len);
1511 memcpy (mp->ip_packet_data, mfs->mfs_buffer, mfs->mfs_buffer_len);
1515 mp->ip_packet_len = 0;
1518 vl_msg_api_send_shmem (q, (u8 *) & mp);
1522 vl_api_mfib_signal_dump_t_handler (vl_api_mfib_signal_dump_t * mp)
1524 unix_shared_memory_queue_t *q;
1526 q = vl_api_client_index_to_input_queue (mp->client_index);
1532 while (q->cursize < q->maxsize && mfib_signal_send_one (q, mp->context))
1536 #define vl_msg_name_crc_list
1537 #include <vnet/ip/ip.api.h>
1538 #undef vl_msg_name_crc_list
1541 setup_message_id_table (api_main_t * am)
1543 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1544 foreach_vl_msg_name_crc_ip;
1548 static clib_error_t *
1549 ip_api_hookup (vlib_main_t * vm)
1551 api_main_t *am = &api_main;
1554 vl_msg_api_set_handlers(VL_API_##N, #n, \
1555 vl_api_##n##_t_handler, \
1557 vl_api_##n##_t_endian, \
1558 vl_api_##n##_t_print, \
1559 sizeof(vl_api_##n##_t), 1);
1564 * Set up the (msg_name, crc, message-id) table
1566 setup_message_id_table (am);
1571 VLIB_API_INIT_FUNCTION (ip_api_hookup);
1574 * fd.io coding-style-patch-verification: ON
1577 * eval: (c-set-style "gnu")