2 * Copyright (c) 2017 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * @brief NAT plugin API implementation
22 #include <nat/nat_det.h>
23 #include <nat/nat64.h>
24 #include <nat/nat_inlines.h>
25 #include <nat/nat44/inlines.h>
26 #include <nat/nat_ha.h>
27 #include <vlibapi/api.h>
28 #include <vlibmemory/api.h>
30 #include <nat/nat_msg_enum.h>
31 #include <vnet/fib/fib_table.h>
32 #include <vnet/ip/ip_types_api.h>
33 #include <nat/nat44/ed_inlines.h>
35 #define vl_api_nat44_add_del_lb_static_mapping_t_endian vl_noop_handler
36 #define vl_api_nat44_nat44_lb_static_mapping_details_t_endian vl_noop_handler
38 /* define message structures */
40 #include <nat/nat_all_api_h.h>
43 /* define generated endian-swappers */
45 #include <nat/nat_all_api_h.h>
48 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
50 #define REPLY_MSG_ID_BASE sm->msg_id_base
51 #include <vlibapi/api_helper_macros.h>
53 /* Get the API version number */
54 #define vl_api_version(n,v) static u32 api_version=(v);
55 #include <nat/nat_all_api_h.h>
58 /* Macro to finish up custom dump fns */
61 vl_print (handle, (char *)s); \
65 /******************************/
66 /*** Common NAT plugin APIs ***/
67 /******************************/
70 vl_api_nat_control_ping_t_handler (vl_api_nat_control_ping_t * mp)
72 vl_api_nat_control_ping_reply_t *rmp;
73 snat_main_t *sm = &snat_main;
77 REPLY_MACRO2 (VL_API_NAT_CONTROL_PING_REPLY,
79 rmp->vpe_pid = ntohl (getpid ());
85 vl_api_nat_control_ping_t_print (vl_api_nat_control_ping_t * mp, void *handle)
89 s = format (0, "SCRIPT: nat_control_ping ");
95 vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t * mp)
97 vl_api_nat_show_config_reply_t *rmp;
98 snat_main_t *sm = &snat_main;
99 //dslite_main_t *dm = &dslite_main;
100 nat64_main_t *n64m = &nat64_main;
104 REPLY_MACRO2 (VL_API_NAT_SHOW_CONFIG_REPLY,
106 rmp->translation_buckets = htonl (sm->translation_buckets);
107 rmp->translation_memory_size = clib_host_to_net_u64 (sm->translation_memory_size);
108 rmp->user_buckets = htonl (sm->user_buckets);
109 rmp->user_memory_size = clib_host_to_net_u64 (sm->user_memory_size);
110 rmp->max_translations_per_user = htonl (sm->max_translations_per_user);
111 rmp->outside_vrf_id = htonl (sm->outside_vrf_id);
112 rmp->inside_vrf_id = htonl (sm->inside_vrf_id);
113 rmp->static_mapping_only = sm->static_mapping_only;
114 rmp->static_mapping_connection_tracking =
115 sm->static_mapping_connection_tracking;
116 rmp->deterministic = sm->deterministic;
117 rmp->endpoint_dependent = sm->endpoint_dependent;
118 rmp->out2in_dpo = sm->out2in_dpo;
119 //rmp->dslite_ce = dm->is_ce;
120 rmp->nat64_bib_buckets = clib_net_to_host_u32(n64m->bib_buckets);
121 rmp->nat64_bib_memory_size = clib_net_to_host_u64(n64m->bib_memory_size);
122 rmp->nat64_st_buckets = clib_net_to_host_u32(n64m->st_buckets);
123 rmp->nat64_st_memory_size = clib_net_to_host_u64(n64m->st_memory_size);
129 vl_api_nat_show_config_t_print (vl_api_nat_show_config_t * mp, void *handle)
133 s = format (0, "SCRIPT: nat_show_config ");
139 vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp)
141 snat_main_t *sm = &snat_main;
142 vl_api_nat_set_workers_reply_t *rmp;
147 if (sm->deterministic)
149 rv = VNET_API_ERROR_UNSUPPORTED;
153 mask = clib_net_to_host_u64 (mp->worker_mask);
155 if (sm->num_workers < 2)
157 rv = VNET_API_ERROR_FEATURE_DISABLED;
161 bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
162 rv = snat_set_workers (bitmap);
163 clib_bitmap_free (bitmap);
166 REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY);
170 vl_api_nat_set_workers_t_print (vl_api_nat_set_workers_t * mp, void *handle)
176 u64 mask = clib_net_to_host_u64 (mp->worker_mask);
178 s = format (0, "SCRIPT: nat_set_workers ");
179 bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
181 clib_bitmap_foreach (i, bitmap,
184 s = format (s, "%d", i);
186 s = format (s, ",%d", i);
190 clib_bitmap_free (bitmap);
195 send_nat_worker_details (u32 worker_index, vl_api_registration_t * reg,
198 vl_api_nat_worker_details_t *rmp;
199 snat_main_t *sm = &snat_main;
200 vlib_worker_thread_t *w =
201 vlib_worker_threads + worker_index + sm->first_worker_index;
203 rmp = vl_msg_api_alloc (sizeof (*rmp));
204 clib_memset (rmp, 0, sizeof (*rmp));
205 rmp->_vl_msg_id = ntohs (VL_API_NAT_WORKER_DETAILS + sm->msg_id_base);
206 rmp->context = context;
207 rmp->worker_index = htonl (worker_index);
208 rmp->lcore_id = htonl (w->cpu_id);
209 strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1);
211 vl_api_send_msg (reg, (u8 *) rmp);
215 vl_api_nat_worker_dump_t_handler (vl_api_nat_worker_dump_t * mp)
217 vl_api_registration_t *reg;
218 snat_main_t *sm = &snat_main;
221 if (sm->deterministic)
224 reg = vl_api_client_index_to_registration (mp->client_index);
229 vec_foreach (worker_index, sm->workers)
230 send_nat_worker_details(*worker_index, reg, mp->context);
235 vl_api_nat_worker_dump_t_print (vl_api_nat_worker_dump_t * mp, void *handle)
239 s = format (0, "SCRIPT: nat_worker_dump ");
245 vl_api_nat44_set_session_limit_t_handler (vl_api_nat44_set_session_limit_t *
248 snat_main_t *sm = &snat_main;
249 vl_api_nat44_set_session_limit_reply_t *rmp;
252 rv = nat44_set_session_limit
253 (ntohl (mp->session_limit), ntohl (mp->vrf_id));
255 REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY);
259 vl_api_nat44_set_session_limit_t_print (vl_api_nat44_set_session_limit_t *
264 s = format (0, "SCRIPT: nat44_set_session_limit ");
265 s = format (s, "session_limit %d", ntohl (mp->session_limit));
266 s = format (s, "vrf_id %d", ntohl (mp->vrf_id));
272 vl_api_nat_set_log_level_t_handler (vl_api_nat_set_log_level_t * mp)
274 snat_main_t *sm = &snat_main;
275 vl_api_nat_set_log_level_reply_t *rmp;
278 if (sm->log_level > NAT_LOG_DEBUG)
279 rv = VNET_API_ERROR_UNSUPPORTED;
281 sm->log_level = mp->log_level;
283 REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY);
287 vl_api_nat_set_log_level_t_print (vl_api_nat_set_log_level_t *
292 s = format (0, "SCRIPT: nat_set_log_level ");
293 s = format (s, "log_level %d", mp->log_level);
299 vl_api_nat_ipfix_enable_disable_t_handler (vl_api_nat_ipfix_enable_disable_t *
302 snat_main_t *sm = &snat_main;
303 vl_api_nat_ipfix_enable_disable_reply_t *rmp;
306 rv = snat_ipfix_logging_enable_disable (mp->enable,
312 REPLY_MACRO (VL_API_NAT_IPFIX_ENABLE_DISABLE_REPLY);
316 vl_api_nat_ipfix_enable_disable_t_print (vl_api_nat_ipfix_enable_disable_t *
321 s = format (0, "SCRIPT: nat_ipfix_enable_disable ");
323 s = format (s, "domain %d ", clib_net_to_host_u32 (mp->domain_id));
325 s = format (s, "src_port %d ", clib_net_to_host_u16 (mp->src_port));
327 s = format (s, "disable ");
333 vl_api_nat_set_timeouts_t_handler (vl_api_nat_set_timeouts_t * mp)
335 snat_main_t *sm = &snat_main;
336 vl_api_nat_set_timeouts_reply_t *rmp;
339 sm->udp_timeout = ntohl (mp->udp);
340 sm->tcp_established_timeout = ntohl (mp->tcp_established);
341 sm->tcp_transitory_timeout = ntohl (mp->tcp_transitory);
342 sm->icmp_timeout = ntohl (mp->icmp);
344 rv = nat64_set_icmp_timeout (ntohl (mp->icmp));
347 rv = nat64_set_udp_timeout (ntohl (mp->udp));
351 nat64_set_tcp_timeouts (ntohl (mp->tcp_transitory),
352 ntohl (mp->tcp_established));
355 REPLY_MACRO (VL_API_NAT_SET_TIMEOUTS_REPLY);
359 vl_api_nat_set_timeouts_t_print (vl_api_nat_set_timeouts_t * mp, void *handle)
363 s = format (0, "SCRIPT: nat_set_timeouts ");
364 s = format (s, "udp %d tcp_established %d tcp_transitory %d icmp %d\n",
366 ntohl (mp->tcp_established),
367 ntohl (mp->tcp_transitory), ntohl (mp->icmp));
373 vl_api_nat_get_timeouts_t_handler (vl_api_nat_get_timeouts_t * mp)
375 snat_main_t *sm = &snat_main;
376 vl_api_nat_get_timeouts_reply_t *rmp;
380 REPLY_MACRO2 (VL_API_NAT_GET_TIMEOUTS_REPLY,
382 rmp->udp = htonl (sm->udp_timeout);
383 rmp->tcp_established = htonl (sm->tcp_established_timeout);
384 rmp->tcp_transitory = htonl (sm->tcp_transitory_timeout);
385 rmp->icmp = htonl (sm->icmp_timeout);
391 vl_api_nat_get_timeouts_t_print (vl_api_nat_get_timeouts_t * mp, void *handle)
395 s = format (0, "SCRIPT: nat_get_timeouts");
401 vl_api_nat_set_addr_and_port_alloc_alg_t_handler
402 (vl_api_nat_set_addr_and_port_alloc_alg_t * mp)
404 snat_main_t *sm = &snat_main;
405 vl_api_nat_set_addr_and_port_alloc_alg_reply_t *rmp;
407 u16 port_start, port_end;
409 if (sm->deterministic)
411 rv = VNET_API_ERROR_UNSUPPORTED;
417 case NAT_ADDR_AND_PORT_ALLOC_ALG_DEFAULT:
418 nat_set_alloc_addr_and_port_default ();
420 case NAT_ADDR_AND_PORT_ALLOC_ALG_MAPE:
421 nat_set_alloc_addr_and_port_mape (ntohs (mp->psid), mp->psid_offset,
424 case NAT_ADDR_AND_PORT_ALLOC_ALG_RANGE:
425 port_start = ntohs (mp->start_port);
426 port_end = ntohs (mp->end_port);
427 if (port_end <= port_start)
429 rv = VNET_API_ERROR_INVALID_VALUE;
432 nat_set_alloc_addr_and_port_range (port_start, port_end);
435 rv = VNET_API_ERROR_INVALID_VALUE;
440 REPLY_MACRO (VL_API_NAT_SET_ADDR_AND_PORT_ALLOC_ALG_REPLY);
443 static void *vl_api_nat_set_addr_and_port_alloc_alg_t_print
444 (vl_api_nat_set_addr_and_port_alloc_alg_t * mp, void *handle)
448 s = format (0, "SCRIPT: nat_set_addr_and_port_alloc_alg ");
449 s = format (s, "alg %d psid_offset %d psid_length %d psid %d start_port %d "
451 ntohl (mp->alg), ntohl (mp->psid_offset),
452 ntohl (mp->psid_length), ntohs (mp->psid),
453 ntohs (mp->start_port), ntohs (mp->end_port));
459 vl_api_nat_get_addr_and_port_alloc_alg_t_handler
460 (vl_api_nat_get_addr_and_port_alloc_alg_t * mp)
462 snat_main_t *sm = &snat_main;
463 vl_api_nat_get_addr_and_port_alloc_alg_reply_t *rmp;
467 REPLY_MACRO2 (VL_API_NAT_GET_ADDR_AND_PORT_ALLOC_ALG_REPLY,
469 rmp->alg = sm->addr_and_port_alloc_alg;
470 rmp->psid_offset = sm->psid_offset;
471 rmp->psid_length = sm->psid_length;
472 rmp->psid = htons (sm->psid);
473 rmp->start_port = htons (sm->start_port);
474 rmp->end_port = htons (sm->end_port);
479 static void *vl_api_nat_get_addr_and_port_alloc_alg_t_print
480 (vl_api_nat_get_addr_and_port_alloc_alg_t * mp, void *handle)
484 s = format (0, "SCRIPT: nat_get_addr_and_port_alloc_alg");
490 vl_api_nat_set_mss_clamping_t_handler (vl_api_nat_set_mss_clamping_t * mp)
492 snat_main_t *sm = &snat_main;
493 vl_api_nat_set_mss_clamping_reply_t *rmp;
497 sm->mss_clamping = ntohs (mp->mss_value);
499 sm->mss_clamping = 0;
501 REPLY_MACRO (VL_API_NAT_SET_MSS_CLAMPING_REPLY);
505 vl_api_nat_set_mss_clamping_t_print (vl_api_nat_set_mss_clamping_t * mp,
510 s = format (0, "SCRIPT: nat_set_mss_clamping enable %d mss_value %d\n",
511 mp->enable, ntohs (mp->mss_value));
517 vl_api_nat_get_mss_clamping_t_handler (vl_api_nat_get_mss_clamping_t * mp)
519 snat_main_t *sm = &snat_main;
520 vl_api_nat_get_mss_clamping_reply_t *rmp;
524 REPLY_MACRO2 (VL_API_NAT_GET_MSS_CLAMPING_REPLY,
526 rmp->enable = sm->mss_clamping ? 1 : 0;
527 rmp->mss_value = htons (sm->mss_clamping);
533 vl_api_nat_get_mss_clamping_t_print (vl_api_nat_get_mss_clamping_t * mp,
538 s = format (0, "SCRIPT: nat_get_mss_clamping");
544 vl_api_nat_ha_set_listener_t_handler (vl_api_nat_ha_set_listener_t * mp)
546 snat_main_t *sm = &snat_main;
547 vl_api_nat_ha_set_listener_reply_t *rmp;
551 memcpy (&addr, &mp->ip_address, sizeof (addr));
553 nat_ha_set_listener (&addr, clib_net_to_host_u16 (mp->port),
554 clib_net_to_host_u32 (mp->path_mtu));
556 REPLY_MACRO (VL_API_NAT_HA_SET_LISTENER_REPLY);
560 vl_api_nat_ha_set_listener_t_print (vl_api_nat_ha_set_listener_t * mp,
565 s = format (0, "SCRIPT: nat_ha_set_listener ");
566 s = format (s, "ip_address %U ", format_ip4_address, mp->ip_address);
567 s = format (s, "port %d ", clib_net_to_host_u16 (mp->port));
568 s = format (s, "path_mtu %d", clib_net_to_host_u32 (mp->path_mtu));
574 vl_api_nat_ha_get_listener_t_handler (vl_api_nat_ha_get_listener_t * mp)
576 snat_main_t *sm = &snat_main;
577 vl_api_nat_ha_get_listener_reply_t *rmp;
583 nat_ha_get_listener (&addr, &port, &path_mtu);
586 REPLY_MACRO2 (VL_API_NAT_HA_GET_LISTENER_REPLY,
588 clib_memcpy (rmp->ip_address, &addr, sizeof (ip4_address_t));
589 rmp->port = clib_host_to_net_u16 (port);
590 rmp->path_mtu = clib_host_to_net_u32 (path_mtu);
596 vl_api_nat_ha_get_listener_t_print (vl_api_nat_ha_get_listener_t * mp,
601 s = format (0, "SCRIPT: nat_ha_get_listener");
607 vl_api_nat_ha_set_failover_t_handler (vl_api_nat_ha_set_failover_t * mp)
609 snat_main_t *sm = &snat_main;
610 vl_api_nat_ha_set_failover_reply_t *rmp;
614 memcpy (&addr, &mp->ip_address, sizeof (addr));
616 nat_ha_set_failover (&addr, clib_net_to_host_u16 (mp->port),
617 clib_net_to_host_u32 (mp->session_refresh_interval));
619 REPLY_MACRO (VL_API_NAT_HA_SET_FAILOVER_REPLY);
623 vl_api_nat_ha_set_failover_t_print (vl_api_nat_ha_set_failover_t * mp,
628 s = format (0, "SCRIPT: nat_ha_set_failover ");
629 s = format (s, "ip_address %U ", format_ip4_address, mp->ip_address);
630 s = format (s, "port %d ", clib_net_to_host_u16 (mp->port));
636 vl_api_nat_ha_get_failover_t_handler (vl_api_nat_ha_get_failover_t * mp)
638 snat_main_t *sm = &snat_main;
639 vl_api_nat_ha_get_failover_reply_t *rmp;
643 u32 session_refresh_interval;
645 nat_ha_get_failover (&addr, &port, &session_refresh_interval);
648 REPLY_MACRO2 (VL_API_NAT_HA_GET_FAILOVER_REPLY,
650 clib_memcpy (rmp->ip_address, &addr, sizeof (ip4_address_t));
651 rmp->port = clib_host_to_net_u16 (port);
652 rmp->session_refresh_interval = clib_host_to_net_u32 (session_refresh_interval);
658 vl_api_nat_ha_get_failover_t_print (vl_api_nat_ha_get_failover_t * mp,
663 s = format (0, "SCRIPT: nat_ha_get_failover");
669 vl_api_nat_ha_flush_t_handler (vl_api_nat_ha_flush_t * mp)
671 snat_main_t *sm = &snat_main;
672 vl_api_nat_ha_flush_reply_t *rmp;
677 REPLY_MACRO (VL_API_NAT_HA_FLUSH_REPLY);
681 vl_api_nat_ha_flush_t_print (vl_api_nat_ha_flush_t * mp, void *handle)
685 s = format (0, "SCRIPT: nat_ha_flush ");
691 nat_ha_resync_completed_event_cb (u32 client_index, u32 pid, u32 missed_count)
693 snat_main_t *sm = &snat_main;
694 vl_api_registration_t *reg;
695 vl_api_nat_ha_resync_completed_event_t *mp;
697 reg = vl_api_client_index_to_registration (client_index);
701 mp = vl_msg_api_alloc (sizeof (*mp));
702 clib_memset (mp, 0, sizeof (*mp));
703 mp->client_index = client_index;
705 mp->missed_count = clib_host_to_net_u32 (missed_count);
707 ntohs (VL_API_NAT_HA_RESYNC_COMPLETED_EVENT + sm->msg_id_base);
709 vl_api_send_msg (reg, (u8 *) mp);
713 vl_api_nat_ha_resync_t_handler (vl_api_nat_ha_resync_t * mp)
715 snat_main_t *sm = &snat_main;
716 vl_api_nat_ha_resync_reply_t *rmp;
720 nat_ha_resync (mp->client_index, mp->pid,
721 mp->want_resync_event ? nat_ha_resync_completed_event_cb :
724 REPLY_MACRO (VL_API_NAT_HA_RESYNC_REPLY);
728 vl_api_nat_ha_resync_t_print (vl_api_nat_ha_resync_t * mp, void *handle)
732 s = format (0, "SCRIPT: nat_ha_resync ");
734 format (s, "want_resync_event %d pid %d", mp->want_resync_event,
735 clib_host_to_net_u32 (mp->pid));
744 vl_api_nat44_del_user_t_handler (vl_api_nat44_del_user_t * mp)
746 snat_main_t *sm = &snat_main;
747 vl_api_nat44_del_user_reply_t *rmp;
750 memcpy (&addr.as_u8, mp->ip_address, 4);
751 rv = nat44_user_del (&addr, ntohl (mp->fib_index));
752 REPLY_MACRO (VL_API_NAT44_DEL_USER_REPLY);
755 static void *vl_api_nat44_del_user_t_print
756 (vl_api_nat44_del_user_t * mp, void *handle)
759 s = format (0, "SCRIPT: nat44_del_user ");
760 s = format (s, "ip_address %U fib_index %U ",
761 format_ip4_address, mp->ip_address, ntohl (mp->fib_index));
766 vl_api_nat44_add_del_address_range_t_handler
767 (vl_api_nat44_add_del_address_range_t * mp)
769 snat_main_t *sm = &snat_main;
770 vl_api_nat44_add_del_address_range_reply_t *rmp;
771 ip4_address_t this_addr;
772 u8 is_add, twice_nat;
773 u32 start_host_order, end_host_order;
779 if (sm->deterministic)
781 rv = VNET_API_ERROR_UNSUPPORTED;
785 if (sm->static_mapping_only)
787 rv = VNET_API_ERROR_FEATURE_DISABLED;
792 twice_nat = mp->flags & NAT_API_IS_TWICE_NAT;
794 tmp = (u32 *) mp->first_ip_address;
795 start_host_order = clib_host_to_net_u32 (tmp[0]);
796 tmp = (u32 *) mp->last_ip_address;
797 end_host_order = clib_host_to_net_u32 (tmp[0]);
799 count = (end_host_order - start_host_order) + 1;
801 vrf_id = clib_host_to_net_u32 (mp->vrf_id);
804 nat_log_info ("%U - %U, %d addresses...",
805 format_ip4_address, mp->first_ip_address,
806 format_ip4_address, mp->last_ip_address, count);
808 memcpy (&this_addr.as_u8, mp->first_ip_address, 4);
810 for (i = 0; i < count; i++)
813 rv = snat_add_address (sm, &this_addr, vrf_id, twice_nat);
815 rv = snat_del_address (sm, this_addr, 0, twice_nat);
821 nat44_add_del_address_dpo (this_addr, is_add);
823 increment_v4_address (&this_addr);
827 REPLY_MACRO (VL_API_NAT44_ADD_DEL_ADDRESS_RANGE_REPLY);
830 static void *vl_api_nat44_add_del_address_range_t_print
831 (vl_api_nat44_add_del_address_range_t * mp, void *handle)
835 s = format (0, "SCRIPT: nat44_add_address_range ");
836 s = format (s, "%U ", format_ip4_address, mp->first_ip_address);
837 if (memcmp (mp->first_ip_address, mp->last_ip_address, 4))
839 s = format (s, " - %U ", format_ip4_address, mp->last_ip_address);
841 s = format (s, "twice_nat %d ", mp->flags & NAT_API_IS_TWICE_NAT);
846 send_nat44_address_details (snat_address_t * a,
847 vl_api_registration_t * reg, u32 context,
850 vl_api_nat44_address_details_t *rmp;
851 snat_main_t *sm = &snat_main;
853 rmp = vl_msg_api_alloc (sizeof (*rmp));
854 clib_memset (rmp, 0, sizeof (*rmp));
855 rmp->_vl_msg_id = ntohs (VL_API_NAT44_ADDRESS_DETAILS + sm->msg_id_base);
856 clib_memcpy (rmp->ip_address, &(a->addr), 4);
857 if (a->fib_index != ~0)
859 fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4);
860 rmp->vrf_id = ntohl (fib->ft_table_id);
865 rmp->flags |= NAT_API_IS_TWICE_NAT;
866 rmp->context = context;
868 vl_api_send_msg (reg, (u8 *) rmp);
872 vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp)
874 vl_api_registration_t *reg;
875 snat_main_t *sm = &snat_main;
878 if (sm->deterministic)
881 reg = vl_api_client_index_to_registration (mp->client_index);
886 vec_foreach (a, sm->addresses)
887 send_nat44_address_details (a, reg, mp->context, 0);
888 vec_foreach (a, sm->twice_nat_addresses)
889 send_nat44_address_details (a, reg, mp->context, 1);
894 vl_api_nat44_address_dump_t_print (vl_api_nat44_address_dump_t * mp,
899 s = format (0, "SCRIPT: nat44_address_dump ");
905 vl_api_nat44_interface_add_del_feature_t_handler
906 (vl_api_nat44_interface_add_del_feature_t * mp)
908 snat_main_t *sm = &snat_main;
909 vl_api_nat44_interface_add_del_feature_reply_t *rmp;
910 u32 sw_if_index = ntohl (mp->sw_if_index);
914 is_del = !mp->is_add;
916 VALIDATE_SW_IF_INDEX (mp);
919 snat_interface_add_del (sw_if_index, mp->flags & NAT_API_IS_INSIDE,
922 BAD_SW_IF_INDEX_LABEL;
924 REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_FEATURE_REPLY);
927 static void *vl_api_nat44_interface_add_del_feature_t_print
928 (vl_api_nat44_interface_add_del_feature_t * mp, void *handle)
932 s = format (0, "SCRIPT: nat44_interface_add_del_feature ");
933 s = format (s, "sw_if_index %d %s %s",
934 clib_host_to_net_u32 (mp->sw_if_index),
935 mp->flags & NAT_API_IS_INSIDE ? "in" : "out",
936 mp->is_add ? "" : "del");
942 send_nat44_interface_details (snat_interface_t * i,
943 vl_api_registration_t * reg, u32 context)
945 vl_api_nat44_interface_details_t *rmp;
946 snat_main_t *sm = &snat_main;
948 rmp = vl_msg_api_alloc (sizeof (*rmp));
949 clib_memset (rmp, 0, sizeof (*rmp));
950 rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base);
951 rmp->sw_if_index = ntohl (i->sw_if_index);
953 if (nat_interface_is_inside (i))
954 rmp->flags |= NAT_API_IS_INSIDE;
955 if (nat_interface_is_outside (i))
956 rmp->flags |= NAT_API_IS_OUTSIDE;
958 rmp->context = context;
960 vl_api_send_msg (reg, (u8 *) rmp);
964 vl_api_nat44_interface_dump_t_handler (vl_api_nat44_interface_dump_t * mp)
966 vl_api_registration_t *reg;
967 snat_main_t *sm = &snat_main;
970 reg = vl_api_client_index_to_registration (mp->client_index);
975 pool_foreach (i, sm->interfaces,
977 send_nat44_interface_details(i, reg, mp->context);
983 vl_api_nat44_interface_dump_t_print (vl_api_nat44_interface_dump_t * mp,
988 s = format (0, "SCRIPT: nat44_interface_dump ");
994 vl_api_nat44_interface_add_del_output_feature_t_handler
995 (vl_api_nat44_interface_add_del_output_feature_t * mp)
997 snat_main_t *sm = &snat_main;
998 vl_api_nat44_interface_add_del_output_feature_reply_t *rmp;
999 u32 sw_if_index = ntohl (mp->sw_if_index);
1002 if (sm->deterministic)
1004 rv = VNET_API_ERROR_UNSUPPORTED;
1008 VALIDATE_SW_IF_INDEX (mp);
1010 rv = snat_interface_add_del_output_feature (sw_if_index,
1011 mp->flags & NAT_API_IS_INSIDE,
1014 BAD_SW_IF_INDEX_LABEL;
1016 REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY);
1019 static void *vl_api_nat44_interface_add_del_output_feature_t_print
1020 (vl_api_nat44_interface_add_del_output_feature_t * mp, void *handle)
1024 s = format (0, "SCRIPT: nat44_interface_add_del_output_feature ");
1025 s = format (s, "sw_if_index %d %s %s",
1026 clib_host_to_net_u32 (mp->sw_if_index),
1027 mp->flags & NAT_API_IS_INSIDE ? "in" : "out",
1028 mp->is_add ? "" : "del");
1034 send_nat44_interface_output_feature_details (snat_interface_t * i,
1035 vl_api_registration_t * reg,
1038 vl_api_nat44_interface_output_feature_details_t *rmp;
1039 snat_main_t *sm = &snat_main;
1041 rmp = vl_msg_api_alloc (sizeof (*rmp));
1042 clib_memset (rmp, 0, sizeof (*rmp));
1044 ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base);
1045 rmp->sw_if_index = ntohl (i->sw_if_index);
1046 rmp->context = context;
1048 if (nat_interface_is_inside (i))
1049 rmp->flags |= NAT_API_IS_INSIDE;
1051 vl_api_send_msg (reg, (u8 *) rmp);
1055 vl_api_nat44_interface_output_feature_dump_t_handler
1056 (vl_api_nat44_interface_output_feature_dump_t * mp)
1058 vl_api_registration_t *reg;
1059 snat_main_t *sm = &snat_main;
1060 snat_interface_t *i;
1062 if (sm->deterministic)
1065 reg = vl_api_client_index_to_registration (mp->client_index);
1070 pool_foreach (i, sm->output_feature_interfaces,
1072 send_nat44_interface_output_feature_details(i, reg, mp->context);
1077 static void *vl_api_nat44_interface_output_feature_dump_t_print
1078 (vl_api_nat44_interface_output_feature_dump_t * mp, void *handle)
1082 s = format (0, "SCRIPT: nat44_interface_output_feature_dump ");
1088 vl_api_nat44_add_del_static_mapping_t_handler
1089 (vl_api_nat44_add_del_static_mapping_t * mp)
1091 snat_main_t *sm = &snat_main;
1092 vl_api_nat44_add_del_static_mapping_reply_t *rmp;
1093 ip4_address_t local_addr, external_addr;
1094 u16 local_port = 0, external_port = 0;
1095 u32 vrf_id, external_sw_if_index;
1096 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
1098 nat_protocol_t proto;
1101 if (sm->deterministic)
1103 rv = VNET_API_ERROR_UNSUPPORTED;
1107 memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
1108 memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
1110 if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
1112 local_port = mp->local_port;
1113 external_port = mp->external_port;
1116 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
1117 external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
1118 proto = ip_proto_to_nat_proto (mp->protocol);
1120 if (mp->flags & NAT_API_IS_TWICE_NAT)
1121 twice_nat = TWICE_NAT;
1122 else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
1123 twice_nat = TWICE_NAT_SELF;
1124 mp->tag[sizeof (mp->tag) - 1] = 0;
1125 tag = format (0, "%s", mp->tag);
1126 vec_terminate_c_string (tag);
1128 rv = snat_add_static_mapping (local_addr, external_addr, local_port,
1129 external_port, vrf_id,
1130 mp->flags & NAT_API_IS_ADDR_ONLY,
1131 external_sw_if_index, proto,
1132 mp->is_add, twice_nat,
1133 mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0);
1137 REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY);
1140 static void *vl_api_nat44_add_del_static_mapping_t_print
1141 (vl_api_nat44_add_del_static_mapping_t * mp, void *handle)
1145 s = format (0, "SCRIPT: nat44_add_del_static_mapping ");
1146 s = format (s, "protocol %d local_addr %U external_addr %U ",
1148 format_ip4_address, mp->local_ip_address,
1149 format_ip4_address, mp->external_ip_address);
1151 if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
1152 s = format (s, "local_port %d external_port %d ",
1153 clib_net_to_host_u16 (mp->local_port),
1154 clib_net_to_host_u16 (mp->external_port));
1156 s = format (s, "twice_nat %d out2in_only %d ",
1157 mp->flags & NAT_API_IS_TWICE_NAT,
1158 mp->flags & NAT_API_IS_OUT2IN_ONLY);
1160 if (mp->vrf_id != ~0)
1161 s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
1163 if (mp->external_sw_if_index != ~0)
1164 s = format (s, "external_sw_if_index %d",
1165 clib_net_to_host_u32 (mp->external_sw_if_index));
1170 send_nat44_static_mapping_details (snat_static_mapping_t * m,
1171 vl_api_registration_t * reg, u32 context)
1173 vl_api_nat44_static_mapping_details_t *rmp;
1174 snat_main_t *sm = &snat_main;
1175 u32 len = sizeof (*rmp);
1177 rmp = vl_msg_api_alloc (len);
1178 clib_memset (rmp, 0, len);
1180 ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
1182 clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
1183 clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
1184 rmp->external_sw_if_index = ~0;
1185 rmp->vrf_id = htonl (m->vrf_id);
1186 rmp->context = context;
1188 if (m->twice_nat == TWICE_NAT)
1189 rmp->flags |= NAT_API_IS_TWICE_NAT;
1190 else if (m->twice_nat == TWICE_NAT_SELF)
1191 rmp->flags |= NAT_API_IS_SELF_TWICE_NAT;
1193 if (is_out2in_only_static_mapping (m))
1194 rmp->flags |= NAT_API_IS_OUT2IN_ONLY;
1196 if (is_addr_only_static_mapping (m))
1198 rmp->flags |= NAT_API_IS_ADDR_ONLY;
1202 rmp->protocol = nat_proto_to_ip_proto (m->proto);
1203 rmp->external_port = m->external_port;
1204 rmp->local_port = m->local_port;
1208 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1210 vl_api_send_msg (reg, (u8 *) rmp);
1214 send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m,
1215 vl_api_registration_t * reg,
1218 vl_api_nat44_static_mapping_details_t *rmp;
1219 snat_main_t *sm = &snat_main;
1221 rmp = vl_msg_api_alloc (sizeof (*rmp));
1222 clib_memset (rmp, 0, sizeof (*rmp));
1224 ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
1225 clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4);
1226 rmp->external_sw_if_index = htonl (m->sw_if_index);
1227 rmp->vrf_id = htonl (m->vrf_id);
1228 rmp->context = context;
1231 rmp->flags |= NAT_API_IS_TWICE_NAT;
1235 rmp->flags |= NAT_API_IS_ADDR_ONLY;
1239 rmp->protocol = nat_proto_to_ip_proto (m->proto);
1240 rmp->external_port = m->e_port;
1241 rmp->local_port = m->l_port;
1244 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1246 vl_api_send_msg (reg, (u8 *) rmp);
1250 vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t
1253 vl_api_registration_t *reg;
1254 snat_main_t *sm = &snat_main;
1255 snat_static_mapping_t *m;
1256 snat_static_map_resolve_t *rp;
1259 if (sm->deterministic)
1262 reg = vl_api_client_index_to_registration (mp->client_index);
1267 pool_foreach (m, sm->static_mappings,
1269 if (!is_identity_static_mapping(m) && !is_lb_static_mapping (m))
1270 send_nat44_static_mapping_details (m, reg, mp->context);
1274 for (j = 0; j < vec_len (sm->to_resolve); j++)
1276 rp = sm->to_resolve + j;
1277 if (!rp->identity_nat)
1278 send_nat44_static_map_resolve_details (rp, reg, mp->context);
1283 vl_api_nat44_static_mapping_dump_t_print (vl_api_nat44_static_mapping_dump_t *
1288 s = format (0, "SCRIPT: nat44_static_mapping_dump ");
1294 vl_api_nat44_add_del_identity_mapping_t_handler
1295 (vl_api_nat44_add_del_identity_mapping_t * mp)
1297 snat_main_t *sm = &snat_main;
1298 vl_api_nat44_add_del_identity_mapping_reply_t *rmp;
1301 u32 vrf_id, sw_if_index;
1303 nat_protocol_t proto = NAT_PROTOCOL_OTHER;
1306 if (sm->deterministic)
1308 rv = VNET_API_ERROR_UNSUPPORTED;
1312 if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
1315 proto = ip_proto_to_nat_proto (mp->protocol);
1317 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
1318 sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
1319 if (sw_if_index != ~0)
1322 memcpy (&addr.as_u8, mp->ip_address, 4);
1323 mp->tag[sizeof (mp->tag) - 1] = 0;
1324 tag = format (0, "%s", mp->tag);
1325 vec_terminate_c_string (tag);
1328 snat_add_static_mapping (addr, addr, port, port, vrf_id,
1329 mp->flags & NAT_API_IS_ADDR_ONLY, sw_if_index,
1330 proto, mp->is_add, 0, 0, tag, 1);
1334 REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY);
1337 static void *vl_api_nat44_add_del_identity_mapping_t_print
1338 (vl_api_nat44_add_del_identity_mapping_t * mp, void *handle)
1342 s = format (0, "SCRIPT: nat44_add_del_identity_mapping ");
1343 if (mp->sw_if_index != ~0)
1344 s = format (s, "sw_if_index %d", clib_net_to_host_u32 (mp->sw_if_index));
1346 s = format (s, "addr %U", format_ip4_address, mp->ip_address);
1348 if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
1350 format (s, " protocol %d port %d", mp->protocol,
1351 clib_net_to_host_u16 (mp->port));
1353 if (mp->vrf_id != ~0)
1354 s = format (s, " vrf %d", clib_net_to_host_u32 (mp->vrf_id));
1360 send_nat44_identity_mapping_details (snat_static_mapping_t * m, int index,
1361 vl_api_registration_t * reg, u32 context)
1363 vl_api_nat44_identity_mapping_details_t *rmp;
1364 snat_main_t *sm = &snat_main;
1365 nat44_lb_addr_port_t *local = pool_elt_at_index (m->locals, index);
1367 rmp = vl_msg_api_alloc (sizeof (*rmp));
1368 clib_memset (rmp, 0, sizeof (*rmp));
1370 ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
1372 if (is_addr_only_static_mapping (m))
1373 rmp->flags |= NAT_API_IS_ADDR_ONLY;
1375 clib_memcpy (rmp->ip_address, &(m->local_addr), 4);
1376 rmp->port = m->local_port;
1377 rmp->sw_if_index = ~0;
1378 rmp->vrf_id = htonl (local->vrf_id);
1379 rmp->protocol = nat_proto_to_ip_proto (m->proto);
1380 rmp->context = context;
1382 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1384 vl_api_send_msg (reg, (u8 *) rmp);
1388 send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m,
1389 vl_api_registration_t * reg,
1392 vl_api_nat44_identity_mapping_details_t *rmp;
1393 snat_main_t *sm = &snat_main;
1395 rmp = vl_msg_api_alloc (sizeof (*rmp));
1396 clib_memset (rmp, 0, sizeof (*rmp));
1398 ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
1401 rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_ADDR_ONLY;
1403 rmp->port = m->l_port;
1404 rmp->sw_if_index = htonl (m->sw_if_index);
1405 rmp->vrf_id = htonl (m->vrf_id);
1406 rmp->protocol = nat_proto_to_ip_proto (m->proto);
1407 rmp->context = context;
1409 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1411 vl_api_send_msg (reg, (u8 *) rmp);
1415 vl_api_nat44_identity_mapping_dump_t_handler
1416 (vl_api_nat44_identity_mapping_dump_t * mp)
1418 vl_api_registration_t *reg;
1419 snat_main_t *sm = &snat_main;
1420 snat_static_mapping_t *m;
1421 snat_static_map_resolve_t *rp;
1424 if (sm->deterministic)
1427 reg = vl_api_client_index_to_registration (mp->client_index);
1432 pool_foreach (m, sm->static_mappings,
1434 if (is_identity_static_mapping(m) && !is_lb_static_mapping (m))
1436 pool_foreach_index (j, m->locals,
1438 send_nat44_identity_mapping_details (m, j, reg, mp->context);
1444 for (j = 0; j < vec_len (sm->to_resolve); j++)
1446 rp = sm->to_resolve + j;
1447 if (rp->identity_nat)
1448 send_nat44_identity_map_resolve_details (rp, reg, mp->context);
1452 static void *vl_api_nat44_identity_mapping_dump_t_print
1453 (vl_api_nat44_identity_mapping_dump_t * mp, void *handle)
1457 s = format (0, "SCRIPT: nat44_identity_mapping_dump ");
1463 vl_api_nat44_add_del_interface_addr_t_handler
1464 (vl_api_nat44_add_del_interface_addr_t * mp)
1466 snat_main_t *sm = &snat_main;
1467 vl_api_nat44_add_del_interface_addr_reply_t *rmp;
1468 u32 sw_if_index = ntohl (mp->sw_if_index);
1472 if (sm->deterministic)
1474 rv = VNET_API_ERROR_UNSUPPORTED;
1478 is_del = !mp->is_add;
1480 VALIDATE_SW_IF_INDEX (mp);
1482 rv = snat_add_interface_address (sm, sw_if_index, is_del,
1483 mp->flags & NAT_API_IS_TWICE_NAT);
1485 BAD_SW_IF_INDEX_LABEL;
1487 REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY);
1490 static void *vl_api_nat44_add_del_interface_addr_t_print
1491 (vl_api_nat44_add_del_interface_addr_t * mp, void *handle)
1495 s = format (0, "SCRIPT: nat44_add_del_interface_addr ");
1496 s = format (s, "sw_if_index %d twice_nat %d %s",
1497 clib_host_to_net_u32 (mp->sw_if_index),
1498 mp->flags & NAT_API_IS_TWICE_NAT, mp->is_add ? "" : "del");
1504 send_nat44_interface_addr_details (u32 sw_if_index,
1505 vl_api_registration_t * reg, u32 context,
1508 vl_api_nat44_interface_addr_details_t *rmp;
1509 snat_main_t *sm = &snat_main;
1511 rmp = vl_msg_api_alloc (sizeof (*rmp));
1512 clib_memset (rmp, 0, sizeof (*rmp));
1514 ntohs (VL_API_NAT44_INTERFACE_ADDR_DETAILS + sm->msg_id_base);
1515 rmp->sw_if_index = ntohl (sw_if_index);
1518 rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_TWICE_NAT;
1519 rmp->context = context;
1521 vl_api_send_msg (reg, (u8 *) rmp);
1525 vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t
1528 vl_api_registration_t *reg;
1529 snat_main_t *sm = &snat_main;
1532 if (sm->deterministic)
1535 reg = vl_api_client_index_to_registration (mp->client_index);
1540 vec_foreach (i, sm->auto_add_sw_if_indices)
1541 send_nat44_interface_addr_details(*i, reg, mp->context, 0);
1542 vec_foreach (i, sm->auto_add_sw_if_indices_twice_nat)
1543 send_nat44_interface_addr_details(*i, reg, mp->context, 1);
1548 vl_api_nat44_interface_addr_dump_t_print (vl_api_nat44_interface_addr_dump_t *
1553 s = format (0, "SCRIPT: nat44_interface_addr_dump ");
1559 send_nat44_user_details (snat_user_t * u, vl_api_registration_t * reg,
1562 vl_api_nat44_user_details_t *rmp;
1563 snat_main_t *sm = &snat_main;
1564 ip4_main_t *im = &ip4_main;
1566 rmp = vl_msg_api_alloc (sizeof (*rmp));
1567 clib_memset (rmp, 0, sizeof (*rmp));
1568 rmp->_vl_msg_id = ntohs (VL_API_NAT44_USER_DETAILS + sm->msg_id_base);
1570 if (!pool_is_free_index (im->fibs, u->fib_index))
1572 fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4);
1573 rmp->vrf_id = ntohl (fib->ft_table_id);
1576 clib_memcpy (rmp->ip_address, &(u->addr), 4);
1577 rmp->nsessions = ntohl (u->nsessions);
1578 rmp->nstaticsessions = ntohl (u->nstaticsessions);
1579 rmp->context = context;
1581 vl_api_send_msg (reg, (u8 *) rmp);
1585 nat_ed_user_create_helper (snat_main_per_thread_data_t * tsm,
1589 k.addr = s->in2out.addr;
1590 k.fib_index = s->in2out.fib_index;
1591 clib_bihash_kv_8_8_t key, value;
1594 if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value))
1596 pool_get (tsm->users, u);
1598 u->fib_index = k.fib_index;
1600 u->nstaticsessions = 0;
1601 key.value = u - tsm->users;
1602 clib_bihash_add_del_8_8 (&tsm->user_hash, &key, 1);
1606 u = pool_elt_at_index (tsm->users, value.value);
1608 if (snat_is_session_static (s))
1610 ++u->nstaticsessions;
1619 nat_ed_users_create (snat_main_per_thread_data_t * tsm)
1623 pool_foreach (s, tsm->sessions, { nat_ed_user_create_helper (tsm, s); });
1628 nat_ed_users_destroy (snat_main_per_thread_data_t * tsm)
1632 pool_flush (u, tsm->users, { });
1634 clib_bihash_free_8_8 (&tsm->user_hash);
1635 clib_bihash_init_8_8 (&tsm->user_hash, "users", snat_main.user_buckets,
1636 snat_main.user_memory_size);
1637 clib_bihash_set_kvp_format_fn_8_8 (&tsm->user_hash, format_user_kvp);
1641 vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp)
1643 vl_api_registration_t *reg;
1644 snat_main_t *sm = &snat_main;
1645 snat_main_per_thread_data_t *tsm;
1648 if (sm->deterministic)
1651 reg = vl_api_client_index_to_registration (mp->client_index);
1656 vec_foreach (tsm, sm->per_thread_data)
1658 if (sm->endpoint_dependent)
1660 nat_ed_users_create (tsm);
1662 pool_foreach (u, tsm->users,
1664 send_nat44_user_details (u, reg, mp->context);
1666 if (sm->endpoint_dependent)
1668 nat_ed_users_destroy (tsm);
1675 vl_api_nat44_user_dump_t_print (vl_api_nat44_user_dump_t * mp, void *handle)
1679 s = format (0, "SCRIPT: nat44_user_dump ");
1685 send_nat44_user_session_details (snat_session_t * s,
1686 vl_api_registration_t * reg, u32 context)
1688 vl_api_nat44_user_session_details_t *rmp;
1689 snat_main_t *sm = &snat_main;
1691 rmp = vl_msg_api_alloc (sizeof (*rmp));
1692 clib_memset (rmp, 0, sizeof (*rmp));
1694 ntohs (VL_API_NAT44_USER_SESSION_DETAILS + sm->msg_id_base);
1695 clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4);
1696 clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4);
1698 if (snat_is_session_static (s))
1699 rmp->flags |= NAT_API_IS_STATIC;
1701 if (is_twice_nat_session (s))
1702 rmp->flags |= NAT_API_IS_TWICE_NAT;
1704 if (is_ed_session (s) || is_fwd_bypass_session (s))
1705 rmp->flags |= NAT_API_IS_EXT_HOST_VALID;
1707 rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard);
1708 rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes);
1709 rmp->total_pkts = ntohl (s->total_pkts);
1710 rmp->context = context;
1711 if (snat_is_unk_proto_session (s))
1713 rmp->outside_port = 0;
1714 rmp->inside_port = 0;
1715 rmp->protocol = ntohs (s->in2out.port);
1719 rmp->outside_port = s->out2in.port;
1720 rmp->inside_port = s->in2out.port;
1721 rmp->protocol = ntohs (nat_proto_to_ip_proto (s->nat_proto));
1723 if (is_ed_session (s) || is_fwd_bypass_session (s))
1725 clib_memcpy (rmp->ext_host_address, &s->ext_host_addr, 4);
1726 rmp->ext_host_port = s->ext_host_port;
1727 if (is_twice_nat_session (s))
1729 clib_memcpy (rmp->ext_host_nat_address, &s->ext_host_nat_addr, 4);
1730 rmp->ext_host_nat_port = s->ext_host_nat_port;
1734 vl_api_send_msg (reg, (u8 *) rmp);
1738 vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t *
1741 vl_api_registration_t *reg;
1742 snat_main_t *sm = &snat_main;
1743 snat_main_per_thread_data_t *tsm;
1745 clib_bihash_kv_8_8_t key, value;
1746 snat_user_key_t ukey;
1748 u32 session_index, head_index, elt_index;
1749 dlist_elt_t *head, *elt;
1752 if (sm->deterministic)
1755 reg = vl_api_client_index_to_registration (mp->client_index);
1759 clib_memcpy (&ukey.addr, mp->ip_address, 4);
1760 ip.src_address.as_u32 = ukey.addr.as_u32;
1761 ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id));
1762 key.key = ukey.as_u64;
1763 if (sm->num_workers > 1)
1765 vec_elt_at_index (sm->per_thread_data,
1766 sm->worker_in2out_cb (&ip, ukey.fib_index, 0));
1768 tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
1769 if (!sm->endpoint_dependent)
1771 if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value))
1773 u = pool_elt_at_index (tsm->users, value.value);
1774 if (!u->nsessions && !u->nstaticsessions)
1777 head_index = u->sessions_per_user_list_head_index;
1778 head = pool_elt_at_index (tsm->list_pool, head_index);
1779 elt_index = head->next;
1780 elt = pool_elt_at_index (tsm->list_pool, elt_index);
1781 session_index = elt->value;
1782 while (session_index != ~0)
1784 s = pool_elt_at_index (tsm->sessions, session_index);
1786 send_nat44_user_session_details (s, reg, mp->context);
1788 elt_index = elt->next;
1789 elt = pool_elt_at_index (tsm->list_pool, elt_index);
1790 session_index = elt->value;
1796 pool_foreach (s, tsm->sessions, {
1797 if (s->in2out.addr.as_u32 == ukey.addr.as_u32)
1799 send_nat44_user_session_details (s, reg, mp->context);
1807 vl_api_nat44_user_session_dump_t_print (vl_api_nat44_user_session_dump_t * mp,
1812 s = format (0, "SCRIPT: nat44_user_session_dump ");
1813 s = format (s, "ip_address %U vrf_id %d\n",
1814 format_ip4_address, mp->ip_address,
1815 clib_net_to_host_u32 (mp->vrf_id));
1820 static nat44_lb_addr_port_t *
1821 unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t * addr_port_pairs,
1822 u32 addr_port_pair_num)
1825 nat44_lb_addr_port_t *lb_addr_port_pairs = 0, lb_addr_port;
1826 vl_api_nat44_lb_addr_port_t *ap;
1828 for (i = 0; i < addr_port_pair_num; i++)
1830 ap = &addr_port_pairs[i];
1831 clib_memset (&lb_addr_port, 0, sizeof (lb_addr_port));
1832 clib_memcpy (&lb_addr_port.addr, ap->addr, 4);
1833 lb_addr_port.port = ap->port;
1834 lb_addr_port.probability = ap->probability;
1835 lb_addr_port.vrf_id = clib_net_to_host_u32 (ap->vrf_id);
1836 vec_add1 (lb_addr_port_pairs, lb_addr_port);
1839 return lb_addr_port_pairs;
1843 vl_api_nat44_add_del_lb_static_mapping_t_handler
1844 (vl_api_nat44_add_del_lb_static_mapping_t * mp)
1846 snat_main_t *sm = &snat_main;
1847 vl_api_nat44_add_del_lb_static_mapping_reply_t *rmp;
1848 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
1850 nat44_lb_addr_port_t *locals = 0;
1851 ip4_address_t e_addr;
1852 nat_protocol_t proto;
1855 if (!sm->endpoint_dependent)
1857 rv = VNET_API_ERROR_UNSUPPORTED;
1862 unformat_nat44_lb_addr_port (mp->locals,
1863 clib_net_to_host_u32 (mp->local_num));
1864 clib_memcpy (&e_addr, mp->external_addr, 4);
1865 proto = ip_proto_to_nat_proto (mp->protocol);
1867 if (mp->flags & NAT_API_IS_TWICE_NAT)
1868 twice_nat = TWICE_NAT;
1869 else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
1870 twice_nat = TWICE_NAT_SELF;
1871 mp->tag[sizeof (mp->tag) - 1] = 0;
1872 tag = format (0, "%s", mp->tag);
1873 vec_terminate_c_string (tag);
1876 nat44_add_del_lb_static_mapping (e_addr,
1878 proto, locals, mp->is_add,
1880 mp->flags & NAT_API_IS_OUT2IN_ONLY, tag,
1881 clib_net_to_host_u32 (mp->affinity));
1887 REPLY_MACRO (VL_API_NAT44_ADD_DEL_LB_STATIC_MAPPING_REPLY);
1890 static void *vl_api_nat44_add_del_lb_static_mapping_t_print
1891 (vl_api_nat44_add_del_lb_static_mapping_t * mp, void *handle)
1895 s = format (0, "SCRIPT: nat44_add_del_lb_static_mapping ");
1896 s = format (s, "is_add %d twice_nat %d out2in_only %d ",
1898 mp->flags & NAT_API_IS_TWICE_NAT,
1899 mp->flags & NAT_API_IS_OUT2IN_ONLY);
1905 vl_api_nat44_lb_static_mapping_add_del_local_t_handler
1906 (vl_api_nat44_lb_static_mapping_add_del_local_t * mp)
1908 snat_main_t *sm = &snat_main;
1909 vl_api_nat44_lb_static_mapping_add_del_local_reply_t *rmp;
1911 ip4_address_t e_addr, l_addr;
1912 nat_protocol_t proto;
1914 if (!sm->endpoint_dependent)
1916 rv = VNET_API_ERROR_UNSUPPORTED;
1920 clib_memcpy (&e_addr, mp->external_addr, 4);
1921 clib_memcpy (&l_addr, mp->local.addr, 4);
1922 proto = ip_proto_to_nat_proto (mp->protocol);
1925 nat44_lb_static_mapping_add_del_local (e_addr,
1926 clib_net_to_host_u16
1927 (mp->external_port), l_addr,
1928 clib_net_to_host_u16 (mp->
1931 clib_net_to_host_u32 (mp->
1933 mp->local.probability, mp->is_add);
1936 REPLY_MACRO (VL_API_NAT44_LB_STATIC_MAPPING_ADD_DEL_LOCAL_REPLY);
1939 static void *vl_api_nat44_lb_static_mapping_add_del_local_t_print
1940 (vl_api_nat44_lb_static_mapping_add_del_local_t * mp, void *handle)
1944 s = format (0, "SCRIPT: nat44_lb_static_mapping_add_del_local ");
1945 s = format (s, "is_add %d", mp->is_add);
1951 send_nat44_lb_static_mapping_details (snat_static_mapping_t * m,
1952 vl_api_registration_t * reg,
1955 vl_api_nat44_lb_static_mapping_details_t *rmp;
1956 snat_main_t *sm = &snat_main;
1957 nat44_lb_addr_port_t *ap;
1958 vl_api_nat44_lb_addr_port_t *locals;
1962 vl_msg_api_alloc (sizeof (*rmp) +
1963 (pool_elts (m->locals) *
1964 sizeof (nat44_lb_addr_port_t)));
1965 clib_memset (rmp, 0, sizeof (*rmp));
1967 ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base);
1969 clib_memcpy (rmp->external_addr, &(m->external_addr), 4);
1970 rmp->external_port = m->external_port;
1971 rmp->protocol = nat_proto_to_ip_proto (m->proto);
1972 rmp->context = context;
1974 if (m->twice_nat == TWICE_NAT)
1975 rmp->flags |= NAT_API_IS_TWICE_NAT;
1976 else if (m->twice_nat == TWICE_NAT_SELF)
1977 rmp->flags |= NAT_API_IS_SELF_TWICE_NAT;
1978 if (is_out2in_only_static_mapping (m))
1979 rmp->flags |= NAT_API_IS_OUT2IN_ONLY;
1981 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1983 locals = (vl_api_nat44_lb_addr_port_t *) rmp->locals;
1985 pool_foreach (ap, m->locals,
1987 clib_memcpy (locals->addr, &(ap->addr), 4);
1988 locals->port = ap->port;
1989 locals->probability = ap->probability;
1990 locals->vrf_id = ntohl (ap->vrf_id);
1995 rmp->local_num = ntohl (local_num);
1997 vl_api_send_msg (reg, (u8 *) rmp);
2001 vl_api_nat44_lb_static_mapping_dump_t_handler
2002 (vl_api_nat44_lb_static_mapping_dump_t * mp)
2004 vl_api_registration_t *reg;
2005 snat_main_t *sm = &snat_main;
2006 snat_static_mapping_t *m;
2008 if (!sm->endpoint_dependent)
2011 reg = vl_api_client_index_to_registration (mp->client_index);
2016 pool_foreach (m, sm->static_mappings,
2018 if (is_lb_static_mapping(m))
2019 send_nat44_lb_static_mapping_details (m, reg, mp->context);
2024 static void *vl_api_nat44_lb_static_mapping_dump_t_print
2025 (vl_api_nat44_lb_static_mapping_dump_t * mp, void *handle)
2029 s = format (0, "SCRIPT: nat44_lb_static_mapping_dump ");
2035 vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
2037 snat_main_t *sm = &snat_main;
2038 vl_api_nat44_del_session_reply_t *rmp;
2039 ip4_address_t addr, eh_addr;
2044 nat_protocol_t proto;
2046 if (sm->deterministic)
2048 rv = VNET_API_ERROR_UNSUPPORTED;
2052 memcpy (&addr.as_u8, mp->address, 4);
2054 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
2055 proto = ip_proto_to_nat_proto (mp->protocol);
2056 memcpy (&eh_addr.as_u8, mp->ext_host_address, 4);
2057 eh_port = mp->ext_host_port;
2059 is_in = mp->flags & NAT_API_IS_INSIDE;
2061 if (mp->flags & NAT_API_IS_EXT_HOST_VALID)
2063 nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, mp->protocol,
2066 rv = nat44_del_session (sm, &addr, port, proto, vrf_id, is_in);
2069 REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY);
2073 vl_api_nat44_del_session_t_print (vl_api_nat44_del_session_t * mp,
2078 s = format (0, "SCRIPT: nat44_add_del_static_mapping ");
2079 s = format (s, "addr %U port %d protocol %d vrf_id %d is_in %d",
2080 format_ip4_address, mp->address,
2081 clib_net_to_host_u16 (mp->port),
2082 mp->protocol, clib_net_to_host_u32 (mp->vrf_id),
2083 mp->flags & NAT_API_IS_INSIDE);
2084 if (mp->flags & NAT_API_IS_EXT_HOST_VALID)
2085 s = format (s, "ext_host_address %U ext_host_port %d",
2086 format_ip4_address, mp->ext_host_address,
2087 clib_net_to_host_u16 (mp->ext_host_port));
2093 vl_api_nat44_forwarding_enable_disable_t_handler
2094 (vl_api_nat44_forwarding_enable_disable_t * mp)
2096 snat_main_t *sm = &snat_main;
2097 vl_api_nat44_forwarding_enable_disable_reply_t *rmp;
2099 u32 *ses_to_be_removed = 0, *ses_index;
2100 snat_main_per_thread_data_t *tsm;
2103 sm->forwarding_enabled = mp->enable != 0;
2105 if (mp->enable == 0)
2108 vec_foreach (tsm, sm->per_thread_data)
2110 pool_foreach (s, tsm->sessions,
2112 if (is_fwd_bypass_session(s))
2114 vec_add1 (ses_to_be_removed, s - tsm->sessions);
2117 if(sm->endpoint_dependent){
2118 vec_foreach (ses_index, ses_to_be_removed)
2120 s = pool_elt_at_index(tsm->sessions, ses_index[0]);
2121 nat_free_session_data (sm, s, tsm - sm->per_thread_data, 0);
2122 nat_ed_session_delete (sm, s, tsm - sm->per_thread_data, 1);
2125 vec_foreach (ses_index, ses_to_be_removed)
2127 s = pool_elt_at_index(tsm->sessions, ses_index[0]);
2128 nat_free_session_data (sm, s, tsm - sm->per_thread_data, 0);
2129 nat44_delete_session (sm, s, tsm - sm->per_thread_data);
2132 vec_free (ses_to_be_removed);
2137 REPLY_MACRO (VL_API_NAT44_FORWARDING_ENABLE_DISABLE_REPLY);
2140 static void *vl_api_nat44_forwarding_enable_disable_t_print
2141 (vl_api_nat44_forwarding_enable_disable_t * mp, void *handle)
2145 s = format (0, "SCRIPT: nat44_forwarding_enable_disable ");
2146 s = format (s, "enable %d", mp->enable != 0);
2152 vl_api_nat44_forwarding_is_enabled_t_handler
2153 (vl_api_nat44_forwarding_is_enabled_t * mp)
2155 vl_api_registration_t *reg;
2156 snat_main_t *sm = &snat_main;
2157 vl_api_nat44_forwarding_is_enabled_reply_t *rmp;
2159 reg = vl_api_client_index_to_registration (mp->client_index);
2163 rmp = vl_msg_api_alloc (sizeof (*rmp));
2164 clib_memset (rmp, 0, sizeof (*rmp));
2166 ntohs (VL_API_NAT44_FORWARDING_IS_ENABLED_REPLY + sm->msg_id_base);
2167 rmp->context = mp->context;
2169 rmp->enabled = sm->forwarding_enabled;
2171 vl_api_send_msg (reg, (u8 *) rmp);
2174 static void *vl_api_nat44_forwarding_is_enabled_t_print
2175 (vl_api_nat44_forwarding_is_enabled_t * mp, void *handle)
2179 s = format (0, "SCRIPT: nat44_forwarding_is_enabled ");
2184 /*******************************/
2185 /*** Deterministic NAT (CGN) ***/
2186 /*******************************/
2189 vl_api_nat_det_add_del_map_t_handler (vl_api_nat_det_add_del_map_t * mp)
2191 snat_main_t *sm = &snat_main;
2192 vl_api_nat_det_add_del_map_reply_t *rmp;
2194 ip4_address_t in_addr, out_addr;
2196 if (!sm->deterministic)
2198 rv = VNET_API_ERROR_UNSUPPORTED;
2202 clib_memcpy (&in_addr, mp->in_addr, 4);
2203 clib_memcpy (&out_addr, mp->out_addr, 4);
2204 rv = snat_det_add_map (sm, &in_addr, mp->in_plen, &out_addr,
2205 mp->out_plen, mp->is_add);
2208 REPLY_MACRO (VL_API_NAT_DET_ADD_DEL_MAP_REPLY);
2212 vl_api_nat_det_add_del_map_t_print (vl_api_nat_det_add_del_map_t * mp,
2217 s = format (0, "SCRIPT: nat_det_add_del_map ");
2218 s = format (s, "inside address %U/%d outside address %U/%d\n",
2219 format_ip4_address, mp->in_addr, mp->in_plen,
2220 format_ip4_address, mp->out_addr, mp->out_plen);
2226 vl_api_nat_det_forward_t_handler (vl_api_nat_det_forward_t * mp)
2228 snat_main_t *sm = &snat_main;
2229 vl_api_nat_det_forward_reply_t *rmp;
2231 u16 lo_port = 0, hi_port = 0;
2233 ip4_address_t in_addr, out_addr;
2235 if (!sm->deterministic)
2237 rv = VNET_API_ERROR_UNSUPPORTED;
2238 REPLY_MACRO (VL_API_NAT_DET_FORWARD_REPLY);
2242 out_addr.as_u32 = 0;
2243 clib_memcpy (&in_addr, mp->in_addr, 4);
2244 dm = snat_det_map_by_user (sm, &in_addr);
2247 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2251 snat_det_forward (dm, &in_addr, &out_addr, &lo_port);
2252 hi_port = lo_port + dm->ports_per_host - 1;
2256 REPLY_MACRO2 (VL_API_NAT_DET_FORWARD_REPLY,
2258 rmp->out_port_lo = ntohs (lo_port);
2259 rmp->out_port_hi = ntohs (hi_port);
2260 clib_memcpy (rmp->out_addr, &out_addr, 4);
2266 vl_api_nat_det_forward_t_print (vl_api_nat_det_forward_t * mp, void *handle)
2270 s = format (0, "SCRIPT: nat_det_forward");
2271 s = format (s, "inside ip address %U\n", format_ip4_address, mp->in_addr);
2277 vl_api_nat_det_reverse_t_handler (vl_api_nat_det_reverse_t * mp)
2279 snat_main_t *sm = &snat_main;
2280 vl_api_nat_det_reverse_reply_t *rmp;
2282 ip4_address_t out_addr, in_addr;
2285 if (!sm->deterministic)
2287 rv = VNET_API_ERROR_UNSUPPORTED;
2288 REPLY_MACRO (VL_API_NAT_DET_REVERSE_REPLY);
2293 clib_memcpy (&out_addr, mp->out_addr, 4);
2294 dm = snat_det_map_by_out (sm, &out_addr);
2297 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2301 snat_det_reverse (dm, &out_addr, htons (mp->out_port), &in_addr);
2305 REPLY_MACRO2 (VL_API_NAT_DET_REVERSE_REPLY,
2307 clib_memcpy (rmp->in_addr, &in_addr, 4);
2313 vl_api_nat_det_reverse_t_print (vl_api_nat_det_reverse_t * mp, void *handle)
2317 s = format (0, "SCRIPT: nat_det_reverse");
2318 s = format (s, "outside ip address %U outside port %d",
2319 format_ip4_address, mp->out_addr, ntohs (mp->out_port));
2325 sent_nat_det_map_details (snat_det_map_t * m, vl_api_registration_t * reg,
2328 vl_api_nat_det_map_details_t *rmp;
2329 snat_main_t *sm = &snat_main;
2331 rmp = vl_msg_api_alloc (sizeof (*rmp));
2332 clib_memset (rmp, 0, sizeof (*rmp));
2333 rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_MAP_DETAILS + sm->msg_id_base);
2334 clib_memcpy (rmp->in_addr, &m->in_addr, 4);
2335 rmp->in_plen = m->in_plen;
2336 clib_memcpy (rmp->out_addr, &m->out_addr, 4);
2337 rmp->out_plen = m->out_plen;
2338 rmp->sharing_ratio = htonl (m->sharing_ratio);
2339 rmp->ports_per_host = htons (m->ports_per_host);
2340 rmp->ses_num = htonl (m->ses_num);
2341 rmp->context = context;
2343 vl_api_send_msg (reg, (u8 *) rmp);
2347 vl_api_nat_det_map_dump_t_handler (vl_api_nat_det_map_dump_t * mp)
2349 vl_api_registration_t *reg;
2350 snat_main_t *sm = &snat_main;
2353 if (!sm->deterministic)
2356 reg = vl_api_client_index_to_registration (mp->client_index);
2361 vec_foreach(m, sm->det_maps)
2362 sent_nat_det_map_details(m, reg, mp->context);
2367 vl_api_nat_det_map_dump_t_print (vl_api_nat_det_map_dump_t * mp, void *handle)
2371 s = format (0, "SCRIPT: nat_det_map_dump ");
2377 vl_api_nat_det_close_session_out_t_handler (vl_api_nat_det_close_session_out_t
2380 snat_main_t *sm = &snat_main;
2381 vl_api_nat_det_close_session_out_reply_t *rmp;
2382 ip4_address_t out_addr, ext_addr, in_addr;
2383 snat_det_out_key_t key;
2385 snat_det_session_t *ses;
2388 if (!sm->deterministic)
2390 rv = VNET_API_ERROR_UNSUPPORTED;
2394 clib_memcpy (&out_addr, mp->out_addr, 4);
2395 clib_memcpy (&ext_addr, mp->ext_addr, 4);
2397 dm = snat_det_map_by_out (sm, &out_addr);
2400 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2403 snat_det_reverse (dm, &ext_addr, ntohs (mp->out_port), &in_addr);
2404 key.ext_host_addr = ext_addr;
2405 key.ext_host_port = mp->ext_port;
2406 key.out_port = mp->out_port;
2407 ses = snat_det_get_ses_by_out (dm, &in_addr, key.as_u64);
2410 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2413 snat_det_ses_close (dm, ses);
2416 REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY);
2420 vl_api_nat_det_close_session_out_t_print (vl_api_nat_det_close_session_out_t *
2425 s = format (0, "SCRIPT: nat_det_close_session_out ");
2426 s = format (s, "out_addr %U out_port %d "
2427 "ext_addr %U ext_port %d\n",
2428 format_ip4_address, mp->out_addr, ntohs (mp->out_port),
2429 format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
2435 vl_api_nat_det_close_session_in_t_handler (vl_api_nat_det_close_session_in_t *
2438 snat_main_t *sm = &snat_main;
2439 vl_api_nat_det_close_session_in_reply_t *rmp;
2440 ip4_address_t in_addr, ext_addr;
2441 snat_det_out_key_t key;
2443 snat_det_session_t *ses;
2446 if (!sm->deterministic)
2448 rv = VNET_API_ERROR_UNSUPPORTED;
2452 clib_memcpy (&in_addr, mp->in_addr, 4);
2453 clib_memcpy (&ext_addr, mp->ext_addr, 4);
2455 dm = snat_det_map_by_user (sm, &in_addr);
2458 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2461 key.ext_host_addr = ext_addr;
2462 key.ext_host_port = mp->ext_port;
2463 ses = snat_det_find_ses_by_in (dm, &in_addr, mp->in_port, key);
2466 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2469 snat_det_ses_close (dm, ses);
2472 REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY);
2476 vl_api_nat_det_close_session_in_t_print (vl_api_nat_det_close_session_in_t *
2480 s = format (0, "SCRIPT: nat_det_close_session_in ");
2481 s = format (s, "in_addr %U in_port %d ext_addr %U ext_port %d\n",
2482 format_ip4_address, mp->in_addr, ntohs (mp->in_port),
2483 format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
2489 send_nat_det_session_details (snat_det_session_t * s,
2490 vl_api_registration_t * reg, u32 context)
2492 vl_api_nat_det_session_details_t *rmp;
2493 snat_main_t *sm = &snat_main;
2495 rmp = vl_msg_api_alloc (sizeof (*rmp));
2496 clib_memset (rmp, 0, sizeof (*rmp));
2497 rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_SESSION_DETAILS + sm->msg_id_base);
2498 rmp->in_port = s->in_port;
2499 clib_memcpy (rmp->ext_addr, &s->out.ext_host_addr, 4);
2500 rmp->ext_port = s->out.ext_host_port;
2501 rmp->out_port = s->out.out_port;
2502 rmp->state = s->state;
2503 rmp->expire = ntohl (s->expire);
2504 rmp->context = context;
2506 vl_api_send_msg (reg, (u8 *) rmp);
2510 vl_api_nat_det_session_dump_t_handler (vl_api_nat_det_session_dump_t * mp)
2512 vl_api_registration_t *reg;
2513 snat_main_t *sm = &snat_main;
2514 ip4_address_t user_addr;
2516 snat_det_session_t *s, empty_ses;
2519 if (!sm->deterministic)
2522 reg = vl_api_client_index_to_registration (mp->client_index);
2526 clib_memset (&empty_ses, 0, sizeof (empty_ses));
2527 clib_memcpy (&user_addr, mp->user_addr, 4);
2528 dm = snat_det_map_by_user (sm, &user_addr);
2532 s = dm->sessions + snat_det_user_ses_offset (&user_addr, dm->in_plen);
2533 for (i = 0; i < SNAT_DET_SES_PER_USER; i++)
2536 send_nat_det_session_details (s, reg, mp->context);
2542 vl_api_nat_det_session_dump_t_print (vl_api_nat_det_session_dump_t * mp,
2547 s = format (0, "SCRIPT: nat_det_session_dump ");
2548 s = format (s, "user_addr %U\n", format_ip4_address, mp->user_addr);
2558 vl_api_nat64_add_del_pool_addr_range_t_handler
2559 (vl_api_nat64_add_del_pool_addr_range_t * mp)
2561 vl_api_nat64_add_del_pool_addr_range_reply_t *rmp;
2562 snat_main_t *sm = &snat_main;
2564 ip4_address_t this_addr;
2565 u32 start_host_order, end_host_order;
2570 tmp = (u32 *) mp->start_addr;
2571 start_host_order = clib_host_to_net_u32 (tmp[0]);
2572 tmp = (u32 *) mp->end_addr;
2573 end_host_order = clib_host_to_net_u32 (tmp[0]);
2575 count = (end_host_order - start_host_order) + 1;
2577 vrf_id = clib_host_to_net_u32 (mp->vrf_id);
2579 memcpy (&this_addr.as_u8, mp->start_addr, 4);
2581 for (i = 0; i < count; i++)
2583 if ((rv = nat64_add_del_pool_addr (0, &this_addr, vrf_id, mp->is_add)))
2586 increment_v4_address (&this_addr);
2590 REPLY_MACRO (VL_API_NAT64_ADD_DEL_POOL_ADDR_RANGE_REPLY);
2593 static void *vl_api_nat64_add_del_pool_addr_range_t_print
2594 (vl_api_nat64_add_del_pool_addr_range_t * mp, void *handle)
2598 s = format (0, "SCRIPT: nat64_add_del_pool_addr_range ");
2599 s = format (s, "%U - %U vrf_id %u %s\n",
2600 format_ip4_address, mp->start_addr,
2601 format_ip4_address, mp->end_addr,
2602 ntohl (mp->vrf_id), mp->is_add ? "" : "del");
2607 typedef struct nat64_api_walk_ctx_t_
2609 vl_api_registration_t *reg;
2612 } nat64_api_walk_ctx_t;
2615 nat64_api_pool_walk (snat_address_t * a, void *arg)
2617 vl_api_nat64_pool_addr_details_t *rmp;
2618 snat_main_t *sm = &snat_main;
2619 nat64_api_walk_ctx_t *ctx = arg;
2621 rmp = vl_msg_api_alloc (sizeof (*rmp));
2622 clib_memset (rmp, 0, sizeof (*rmp));
2623 rmp->_vl_msg_id = ntohs (VL_API_NAT64_POOL_ADDR_DETAILS + sm->msg_id_base);
2624 clib_memcpy (rmp->address, &(a->addr), 4);
2625 if (a->fib_index != ~0)
2627 fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP6);
2630 rmp->vrf_id = ntohl (fib->ft_table_id);
2634 rmp->context = ctx->context;
2636 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2642 vl_api_nat64_pool_addr_dump_t_handler (vl_api_nat64_pool_addr_dump_t * mp)
2644 vl_api_registration_t *reg;
2646 reg = vl_api_client_index_to_registration (mp->client_index);
2650 nat64_api_walk_ctx_t ctx = {
2652 .context = mp->context,
2655 nat64_pool_addr_walk (nat64_api_pool_walk, &ctx);
2659 vl_api_nat64_pool_addr_dump_t_print (vl_api_nat64_pool_addr_dump_t * mp,
2664 s = format (0, "SCRIPT: nat64_pool_addr_dump\n");
2670 vl_api_nat64_add_del_interface_t_handler (vl_api_nat64_add_del_interface_t *
2673 snat_main_t *sm = &snat_main;
2674 vl_api_nat64_add_del_interface_reply_t *rmp;
2677 VALIDATE_SW_IF_INDEX (mp);
2680 nat64_add_del_interface (ntohl (mp->sw_if_index),
2681 mp->flags & NAT_API_IS_INSIDE, mp->is_add);
2683 BAD_SW_IF_INDEX_LABEL;
2685 REPLY_MACRO (VL_API_NAT64_ADD_DEL_INTERFACE_REPLY);
2689 vl_api_nat64_add_del_interface_t_print (vl_api_nat64_add_del_interface_t * mp,
2694 s = format (0, "SCRIPT: nat64_add_del_interface ");
2695 s = format (s, "sw_if_index %d %s %s",
2696 clib_host_to_net_u32 (mp->sw_if_index),
2697 mp->flags & NAT_API_IS_INSIDE ? "in" : "out",
2698 mp->is_add ? "" : "del");
2704 nat64_api_interface_walk (snat_interface_t * i, void *arg)
2706 vl_api_nat64_interface_details_t *rmp;
2707 snat_main_t *sm = &snat_main;
2708 nat64_api_walk_ctx_t *ctx = arg;
2710 rmp = vl_msg_api_alloc (sizeof (*rmp));
2711 clib_memset (rmp, 0, sizeof (*rmp));
2712 rmp->_vl_msg_id = ntohs (VL_API_NAT64_INTERFACE_DETAILS + sm->msg_id_base);
2713 rmp->sw_if_index = ntohl (i->sw_if_index);
2715 if (nat_interface_is_inside (i))
2716 rmp->flags |= NAT_API_IS_INSIDE;
2717 if (nat_interface_is_outside (i))
2718 rmp->flags |= NAT_API_IS_OUTSIDE;
2720 rmp->context = ctx->context;
2722 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2728 vl_api_nat64_interface_dump_t_handler (vl_api_nat64_interface_dump_t * mp)
2730 vl_api_registration_t *reg;
2732 reg = vl_api_client_index_to_registration (mp->client_index);
2736 nat64_api_walk_ctx_t ctx = {
2738 .context = mp->context,
2741 nat64_interfaces_walk (nat64_api_interface_walk, &ctx);
2745 vl_api_nat64_interface_dump_t_print (vl_api_nat64_interface_dump_t * mp,
2750 s = format (0, "SCRIPT: snat_interface_dump ");
2756 vl_api_nat64_add_del_static_bib_t_handler
2757 (vl_api_nat64_add_del_static_bib_t * mp)
2759 snat_main_t *sm = &snat_main;
2760 vl_api_nat64_add_del_static_bib_reply_t *rmp;
2761 ip6_address_t in_addr;
2762 ip4_address_t out_addr;
2765 memcpy (&in_addr.as_u8, mp->i_addr, 16);
2766 memcpy (&out_addr.as_u8, mp->o_addr, 4);
2769 nat64_add_del_static_bib_entry (&in_addr, &out_addr,
2770 clib_net_to_host_u16 (mp->i_port),
2771 clib_net_to_host_u16 (mp->o_port),
2773 clib_net_to_host_u32 (mp->vrf_id),
2776 REPLY_MACRO (VL_API_NAT64_ADD_DEL_STATIC_BIB_REPLY);
2779 static void *vl_api_nat64_add_del_static_bib_t_print
2780 (vl_api_nat64_add_del_static_bib_t * mp, void *handle)
2784 s = format (0, "SCRIPT: nat64_add_del_static_bib ");
2785 s = format (s, "protocol %d i_addr %U o_addr %U ",
2787 format_ip6_address, mp->i_addr, format_ip4_address, mp->o_addr);
2789 if (mp->vrf_id != ~0)
2790 s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
2796 nat64_api_bib_walk (nat64_db_bib_entry_t * bibe, void *arg)
2798 vl_api_nat64_bib_details_t *rmp;
2799 snat_main_t *sm = &snat_main;
2800 nat64_api_walk_ctx_t *ctx = arg;
2803 fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
2807 rmp = vl_msg_api_alloc (sizeof (*rmp));
2808 clib_memset (rmp, 0, sizeof (*rmp));
2809 rmp->_vl_msg_id = ntohs (VL_API_NAT64_BIB_DETAILS + sm->msg_id_base);
2810 rmp->context = ctx->context;
2811 clib_memcpy (rmp->i_addr, &(bibe->in_addr), 16);
2812 clib_memcpy (rmp->o_addr, &(bibe->out_addr), 4);
2813 rmp->i_port = bibe->in_port;
2814 rmp->o_port = bibe->out_port;
2815 rmp->vrf_id = ntohl (fib->ft_table_id);
2816 rmp->proto = bibe->proto;
2817 if (bibe->is_static)
2818 rmp->flags |= NAT_API_IS_STATIC;
2819 rmp->ses_num = ntohl (bibe->ses_num);
2821 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2827 vl_api_nat64_bib_dump_t_handler (vl_api_nat64_bib_dump_t * mp)
2829 vl_api_registration_t *reg;
2830 nat64_main_t *nm = &nat64_main;
2833 reg = vl_api_client_index_to_registration (mp->client_index);
2837 nat64_api_walk_ctx_t ctx = {
2839 .context = mp->context,
2843 vec_foreach (db, nm->db)
2844 nat64_db_bib_walk (db, mp->proto, nat64_api_bib_walk, &ctx);
2849 vl_api_nat64_bib_dump_t_print (vl_api_nat64_bib_dump_t * mp, void *handle)
2853 s = format (0, "SCRIPT: snat_bib_dump protocol %d", mp->proto);
2859 nat64_api_st_walk (nat64_db_st_entry_t * ste, void *arg)
2861 vl_api_nat64_st_details_t *rmp;
2862 snat_main_t *sm = &snat_main;
2863 nat64_api_walk_ctx_t *ctx = arg;
2864 nat64_db_bib_entry_t *bibe;
2867 bibe = nat64_db_bib_entry_by_index (ctx->db, ste->proto, ste->bibe_index);
2871 fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
2875 rmp = vl_msg_api_alloc (sizeof (*rmp));
2876 clib_memset (rmp, 0, sizeof (*rmp));
2877 rmp->_vl_msg_id = ntohs (VL_API_NAT64_ST_DETAILS + sm->msg_id_base);
2878 rmp->context = ctx->context;
2879 clib_memcpy (rmp->il_addr, &(bibe->in_addr), 16);
2880 clib_memcpy (rmp->ol_addr, &(bibe->out_addr), 4);
2881 rmp->il_port = bibe->in_port;
2882 rmp->ol_port = bibe->out_port;
2883 clib_memcpy (rmp->ir_addr, &(ste->in_r_addr), 16);
2884 clib_memcpy (rmp->or_addr, &(ste->out_r_addr), 4);
2885 rmp->il_port = ste->r_port;
2886 rmp->vrf_id = ntohl (fib->ft_table_id);
2887 rmp->proto = ste->proto;
2889 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2895 vl_api_nat64_st_dump_t_handler (vl_api_nat64_st_dump_t * mp)
2897 vl_api_registration_t *reg;
2898 nat64_main_t *nm = &nat64_main;
2901 reg = vl_api_client_index_to_registration (mp->client_index);
2905 nat64_api_walk_ctx_t ctx = {
2907 .context = mp->context,
2911 vec_foreach (db, nm->db)
2914 nat64_db_st_walk (db, mp->proto, nat64_api_st_walk, &ctx);
2920 vl_api_nat64_st_dump_t_print (vl_api_nat64_st_dump_t * mp, void *handle)
2924 s = format (0, "SCRIPT: snat_st_dump protocol %d", mp->proto);
2930 vl_api_nat64_add_del_prefix_t_handler (vl_api_nat64_add_del_prefix_t * mp)
2932 vl_api_nat64_add_del_prefix_reply_t *rmp;
2933 snat_main_t *sm = &snat_main;
2934 ip6_address_t prefix;
2937 memcpy (&prefix.as_u8, mp->prefix.address, 16);
2940 nat64_add_del_prefix (&prefix, mp->prefix.len,
2941 clib_net_to_host_u32 (mp->vrf_id), mp->is_add);
2942 REPLY_MACRO (VL_API_NAT64_ADD_DEL_PREFIX_REPLY);
2946 vl_api_nat64_add_del_prefix_t_print (vl_api_nat64_add_del_prefix_t * mp,
2951 s = format (0, "SCRIPT: nat64_add_del_prefix %U/%u vrf_id %u %s\n",
2952 format_ip6_address, mp->prefix.address, mp->prefix.len,
2953 ntohl (mp->vrf_id), mp->is_add ? "" : "del");
2959 nat64_api_prefix_walk (nat64_prefix_t * p, void *arg)
2961 vl_api_nat64_prefix_details_t *rmp;
2962 snat_main_t *sm = &snat_main;
2963 nat64_api_walk_ctx_t *ctx = arg;
2965 rmp = vl_msg_api_alloc (sizeof (*rmp));
2966 clib_memset (rmp, 0, sizeof (*rmp));
2967 rmp->_vl_msg_id = ntohs (VL_API_NAT64_PREFIX_DETAILS + sm->msg_id_base);
2968 clib_memcpy (rmp->prefix.address, &(p->prefix), 16);
2969 rmp->prefix.len = p->plen;
2970 rmp->vrf_id = ntohl (p->vrf_id);
2971 rmp->context = ctx->context;
2973 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2979 vl_api_nat64_prefix_dump_t_handler (vl_api_nat64_prefix_dump_t * mp)
2981 vl_api_registration_t *reg;
2983 reg = vl_api_client_index_to_registration (mp->client_index);
2987 nat64_api_walk_ctx_t ctx = {
2989 .context = mp->context,
2992 nat64_prefix_walk (nat64_api_prefix_walk, &ctx);
2996 vl_api_nat64_prefix_dump_t_print (vl_api_nat64_prefix_dump_t * mp,
3001 s = format (0, "SCRIPT: nat64_prefix_dump\n");
3007 vl_api_nat64_add_del_interface_addr_t_handler
3008 (vl_api_nat64_add_del_interface_addr_t * mp)
3010 snat_main_t *sm = &snat_main;
3011 vl_api_nat64_add_del_interface_addr_reply_t *rmp;
3012 u32 sw_if_index = ntohl (mp->sw_if_index);
3015 VALIDATE_SW_IF_INDEX (mp);
3017 rv = nat64_add_interface_address (sw_if_index, mp->is_add);
3019 BAD_SW_IF_INDEX_LABEL;
3021 REPLY_MACRO (VL_API_NAT64_ADD_DEL_INTERFACE_ADDR_REPLY);
3024 static void *vl_api_nat64_add_del_interface_addr_t_print
3025 (vl_api_nat64_add_del_interface_addr_t * mp, void *handle)
3029 s = format (0, "SCRIPT: nat64_add_del_interface_addr ");
3030 s = format (s, "sw_if_index %d %s",
3031 clib_host_to_net_u32 (mp->sw_if_index),
3032 mp->is_add ? "" : "del");
3037 /* List of message types that this plugin understands */
3038 #define foreach_snat_plugin_api_msg \
3039 _(NAT_CONTROL_PING, nat_control_ping) \
3040 _(NAT_SHOW_CONFIG, nat_show_config) \
3041 _(NAT_SET_WORKERS, nat_set_workers) \
3042 _(NAT_WORKER_DUMP, nat_worker_dump) \
3043 _(NAT44_DEL_USER, nat44_del_user) \
3044 _(NAT44_SET_SESSION_LIMIT, nat44_set_session_limit) \
3045 _(NAT_SET_LOG_LEVEL, nat_set_log_level) \
3046 _(NAT_IPFIX_ENABLE_DISABLE, nat_ipfix_enable_disable) \
3047 _(NAT_SET_TIMEOUTS, nat_set_timeouts) \
3048 _(NAT_GET_TIMEOUTS, nat_get_timeouts) \
3049 _(NAT_SET_ADDR_AND_PORT_ALLOC_ALG, nat_set_addr_and_port_alloc_alg) \
3050 _(NAT_GET_ADDR_AND_PORT_ALLOC_ALG, nat_get_addr_and_port_alloc_alg) \
3051 _(NAT_SET_MSS_CLAMPING, nat_set_mss_clamping) \
3052 _(NAT_GET_MSS_CLAMPING, nat_get_mss_clamping) \
3053 _(NAT_HA_SET_LISTENER, nat_ha_set_listener) \
3054 _(NAT_HA_SET_FAILOVER, nat_ha_set_failover) \
3055 _(NAT_HA_GET_LISTENER, nat_ha_get_listener) \
3056 _(NAT_HA_GET_FAILOVER, nat_ha_get_failover) \
3057 _(NAT_HA_FLUSH, nat_ha_flush) \
3058 _(NAT_HA_RESYNC, nat_ha_resync) \
3059 _(NAT44_ADD_DEL_ADDRESS_RANGE, nat44_add_del_address_range) \
3060 _(NAT44_INTERFACE_ADD_DEL_FEATURE, nat44_interface_add_del_feature) \
3061 _(NAT44_ADD_DEL_STATIC_MAPPING, nat44_add_del_static_mapping) \
3062 _(NAT44_ADD_DEL_IDENTITY_MAPPING, nat44_add_del_identity_mapping) \
3063 _(NAT44_STATIC_MAPPING_DUMP, nat44_static_mapping_dump) \
3064 _(NAT44_IDENTITY_MAPPING_DUMP, nat44_identity_mapping_dump) \
3065 _(NAT44_ADDRESS_DUMP, nat44_address_dump) \
3066 _(NAT44_INTERFACE_DUMP, nat44_interface_dump) \
3067 _(NAT44_ADD_DEL_INTERFACE_ADDR, nat44_add_del_interface_addr) \
3068 _(NAT44_INTERFACE_ADDR_DUMP, nat44_interface_addr_dump) \
3069 _(NAT44_USER_DUMP, nat44_user_dump) \
3070 _(NAT44_USER_SESSION_DUMP, nat44_user_session_dump) \
3071 _(NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE, \
3072 nat44_interface_add_del_output_feature) \
3073 _(NAT44_INTERFACE_OUTPUT_FEATURE_DUMP, \
3074 nat44_interface_output_feature_dump) \
3075 _(NAT44_ADD_DEL_LB_STATIC_MAPPING, nat44_add_del_lb_static_mapping) \
3076 _(NAT44_LB_STATIC_MAPPING_ADD_DEL_LOCAL, \
3077 nat44_lb_static_mapping_add_del_local) \
3078 _(NAT44_LB_STATIC_MAPPING_DUMP, nat44_lb_static_mapping_dump) \
3079 _(NAT44_DEL_SESSION, nat44_del_session) \
3080 _(NAT44_FORWARDING_ENABLE_DISABLE, nat44_forwarding_enable_disable) \
3081 _(NAT44_FORWARDING_IS_ENABLED, nat44_forwarding_is_enabled) \
3082 _(NAT_DET_ADD_DEL_MAP, nat_det_add_del_map) \
3083 _(NAT_DET_FORWARD, nat_det_forward) \
3084 _(NAT_DET_REVERSE, nat_det_reverse) \
3085 _(NAT_DET_MAP_DUMP, nat_det_map_dump) \
3086 _(NAT_DET_CLOSE_SESSION_OUT, nat_det_close_session_out) \
3087 _(NAT_DET_CLOSE_SESSION_IN, nat_det_close_session_in) \
3088 _(NAT_DET_SESSION_DUMP, nat_det_session_dump) \
3089 _(NAT64_ADD_DEL_POOL_ADDR_RANGE, nat64_add_del_pool_addr_range) \
3090 _(NAT64_POOL_ADDR_DUMP, nat64_pool_addr_dump) \
3091 _(NAT64_ADD_DEL_INTERFACE, nat64_add_del_interface) \
3092 _(NAT64_INTERFACE_DUMP, nat64_interface_dump) \
3093 _(NAT64_ADD_DEL_STATIC_BIB, nat64_add_del_static_bib) \
3094 _(NAT64_BIB_DUMP, nat64_bib_dump) \
3095 _(NAT64_ST_DUMP, nat64_st_dump) \
3096 _(NAT64_ADD_DEL_PREFIX, nat64_add_del_prefix) \
3097 _(NAT64_PREFIX_DUMP, nat64_prefix_dump) \
3098 _(NAT64_ADD_DEL_INTERFACE_ADDR, nat64_add_del_interface_addr)
3100 /* Set up the API message handling tables */
3101 static clib_error_t *
3102 snat_plugin_api_hookup (vlib_main_t * vm)
3104 snat_main_t *sm __attribute__ ((unused)) = &snat_main;
3106 vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
3108 vl_api_##n##_t_handler, \
3110 vl_api_##n##_t_endian, \
3111 vl_api_##n##_t_print, \
3112 sizeof(vl_api_##n##_t), 1);
3113 foreach_snat_plugin_api_msg;
3119 #define vl_msg_name_crc_list
3120 #include <nat/nat_all_api_h.h>
3121 #undef vl_msg_name_crc_list
3124 setup_message_id_table (snat_main_t * sm, api_main_t * am)
3126 #define _(id,n,crc) \
3127 vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
3128 foreach_vl_msg_name_crc_nat;
3133 plugin_custom_dump_configure (snat_main_t * sm)
3135 #define _(n,f) sm->api_main->msg_print_handlers \
3136 [VL_API_##n + sm->msg_id_base] \
3137 = (void *) vl_api_##f##_t_print;
3138 foreach_snat_plugin_api_msg;
3143 snat_api_init (vlib_main_t * vm, snat_main_t * sm)
3146 clib_error_t *error = 0;
3148 name = format (0, "nat_%08x%c", api_version, 0);
3150 /* Ask for a correctly-sized block of API message decode slots */
3152 vl_msg_api_get_msg_ids ((char *) name, VL_MSG_FIRST_AVAILABLE);
3154 error = snat_plugin_api_hookup (vm);
3156 /* Add our API messages to the global name_crc hash table */
3157 setup_message_id_table (sm, sm->api_main);
3159 plugin_custom_dump_configure (sm);
3167 * fd.io coding-style-patch-verification: ON
3170 * eval: (c-set-style "gnu")