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/nat66.h>
25 #include <nat/dslite.h>
26 #include <nat/nat_reass.h>
27 #include <nat/nat_inlines.h>
28 #include <vlibapi/api.h>
29 #include <vlibmemory/api.h>
31 #include <nat/nat_msg_enum.h>
32 #include <vnet/fib/fib_table.h>
34 #define vl_api_nat44_lb_addr_port_t_endian vl_noop_handler
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); \
66 /******************************/
67 /*** Common NAT plugin APIs ***/
68 /******************************/
71 vl_api_nat_control_ping_t_handler (vl_api_nat_control_ping_t * mp)
73 vl_api_nat_control_ping_reply_t *rmp;
74 snat_main_t *sm = &snat_main;
78 REPLY_MACRO2 (VL_API_NAT_CONTROL_PING_REPLY,
80 rmp->vpe_pid = ntohl (getpid ());
86 vl_api_nat_control_ping_t_print (vl_api_nat_control_ping_t * mp, void *handle)
90 s = format (0, "SCRIPT: nat_control_ping ");
96 vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t * mp)
98 vl_api_nat_show_config_reply_t *rmp;
99 snat_main_t *sm = &snat_main;
100 dslite_main_t *dm = &dslite_main;
101 nat64_main_t *n64m = &nat64_main;
105 REPLY_MACRO2 (VL_API_NAT_SHOW_CONFIG_REPLY,
107 rmp->translation_buckets = htonl (sm->translation_buckets);
108 rmp->translation_memory_size = htonl (sm->translation_memory_size);
109 rmp->user_buckets = htonl (sm->user_buckets);
110 rmp->user_memory_size = htonl (sm->user_memory_size);
111 rmp->max_translations_per_user = htonl (sm->max_translations_per_user);
112 rmp->outside_vrf_id = htonl (sm->outside_vrf_id);
113 rmp->inside_vrf_id = htonl (sm->inside_vrf_id);
114 rmp->static_mapping_only = sm->static_mapping_only;
115 rmp->static_mapping_connection_tracking =
116 sm->static_mapping_connection_tracking;
117 rmp->deterministic = sm->deterministic;
118 rmp->endpoint_dependent = sm->endpoint_dependent;
119 rmp->out2in_dpo = sm->out2in_dpo;
120 rmp->dslite_ce = dm->is_ce;
121 rmp->nat64_bib_buckets = n64m->bib_buckets;
122 rmp->nat64_bib_memory_size = n64m->bib_memory_size;
123 rmp->nat64_st_buckets = n64m->st_buckets;
124 rmp->nat64_st_memory_size = n64m->st_memory_size;
130 vl_api_nat_show_config_t_print (vl_api_nat_show_config_t * mp, void *handle)
134 s = format (0, "SCRIPT: nat_show_config ");
140 vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp)
142 snat_main_t *sm = &snat_main;
143 vl_api_nat_set_workers_reply_t *rmp;
148 if (sm->deterministic)
150 rv = VNET_API_ERROR_UNSUPPORTED;
154 mask = clib_net_to_host_u64 (mp->worker_mask);
156 if (sm->num_workers < 2)
158 rv = VNET_API_ERROR_FEATURE_DISABLED;
162 bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
163 rv = snat_set_workers (bitmap);
164 clib_bitmap_free (bitmap);
167 REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY);
171 vl_api_nat_set_workers_t_print (vl_api_nat_set_workers_t * mp, void *handle)
177 u64 mask = clib_net_to_host_u64 (mp->worker_mask);
179 s = format (0, "SCRIPT: nat_set_workers ");
180 bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
182 clib_bitmap_foreach (i, bitmap,
185 s = format (s, "%d", i);
187 s = format (s, ",%d", i);
191 clib_bitmap_free (bitmap);
196 send_nat_worker_details (u32 worker_index, vl_api_registration_t * reg,
199 vl_api_nat_worker_details_t *rmp;
200 snat_main_t *sm = &snat_main;
201 vlib_worker_thread_t *w =
202 vlib_worker_threads + worker_index + sm->first_worker_index;
204 rmp = vl_msg_api_alloc (sizeof (*rmp));
205 memset (rmp, 0, sizeof (*rmp));
206 rmp->_vl_msg_id = ntohs (VL_API_NAT_WORKER_DETAILS + sm->msg_id_base);
207 rmp->context = context;
208 rmp->worker_index = htonl (worker_index);
209 rmp->lcore_id = htonl (w->lcore_id);
210 strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1);
212 vl_api_send_msg (reg, (u8 *) rmp);
216 vl_api_nat_worker_dump_t_handler (vl_api_nat_worker_dump_t * mp)
218 vl_api_registration_t *reg;
219 snat_main_t *sm = &snat_main;
222 if (sm->deterministic)
225 reg = vl_api_client_index_to_registration (mp->client_index);
230 vec_foreach (worker_index, sm->workers)
231 send_nat_worker_details(*worker_index, reg, mp->context);
236 vl_api_nat_worker_dump_t_print (vl_api_nat_worker_dump_t * mp, void *handle)
240 s = format (0, "SCRIPT: nat_worker_dump ");
246 vl_api_nat_ipfix_enable_disable_t_handler (vl_api_nat_ipfix_enable_disable_t *
249 snat_main_t *sm = &snat_main;
250 vl_api_nat_ipfix_enable_disable_reply_t *rmp;
253 rv = snat_ipfix_logging_enable_disable (mp->enable,
259 REPLY_MACRO (VL_API_NAT_IPFIX_ENABLE_DISABLE_REPLY);
263 vl_api_nat_ipfix_enable_disable_t_print (vl_api_nat_ipfix_enable_disable_t *
268 s = format (0, "SCRIPT: nat_ipfix_enable_disable ");
270 s = format (s, "domain %d ", clib_net_to_host_u32 (mp->domain_id));
272 s = format (s, "src_port %d ", clib_net_to_host_u16 (mp->src_port));
274 s = format (s, "disable ");
280 vl_api_nat_set_reass_t_handler (vl_api_nat_set_reass_t * mp)
282 snat_main_t *sm = &snat_main;
283 vl_api_nat_set_reass_reply_t *rmp;
287 nat_reass_set (ntohl (mp->timeout), ntohs (mp->max_reass), mp->max_frag,
288 mp->drop_frag, mp->is_ip6);
290 REPLY_MACRO (VL_API_NAT_SET_REASS_REPLY);
294 vl_api_nat_set_reass_t_print (vl_api_nat_set_reass_t * mp, void *handle)
298 s = format (0, "SCRIPT: nat_set_reass ");
299 s = format (s, "timeout %d max_reass %d max_frag %d drop_frag %d is_ip6 %d",
300 clib_host_to_net_u32 (mp->timeout),
301 clib_host_to_net_u16 (mp->max_reass),
302 mp->max_frag, mp->drop_frag, mp->is_ip6);
308 vl_api_nat_get_reass_t_handler (vl_api_nat_get_reass_t * mp)
310 snat_main_t *sm = &snat_main;
311 vl_api_nat_get_reass_reply_t *rmp;
315 REPLY_MACRO2 (VL_API_NAT_GET_REASS_REPLY,
317 rmp->ip4_timeout = htonl (nat_reass_get_timeout(0));
318 rmp->ip4_max_reass = htons (nat_reass_get_max_reass(0));
319 rmp->ip4_max_frag = nat_reass_get_max_frag(0);
320 rmp->ip4_drop_frag = nat_reass_is_drop_frag(0);
321 rmp->ip6_timeout = htonl (nat_reass_get_timeout(1));
322 rmp->ip6_max_reass = htons (nat_reass_get_max_reass(1));
323 rmp->ip6_max_frag = nat_reass_get_max_frag(1);
324 rmp->ip6_drop_frag = nat_reass_is_drop_frag(1);
330 vl_api_nat_get_reass_t_print (vl_api_nat_get_reass_t * mp, void *handle)
334 s = format (0, "SCRIPT: nat_get_reass");
339 typedef struct nat_api_walk_ctx_t_
341 vl_api_registration_t *reg;
343 } nat_api_walk_ctx_t;
346 nat_ip4_reass_walk_api (nat_reass_ip4_t * reass, void *arg)
348 vl_api_nat_reass_details_t *rmp;
349 snat_main_t *sm = &snat_main;
350 nat_api_walk_ctx_t *ctx = arg;
352 rmp = vl_msg_api_alloc (sizeof (*rmp));
353 memset (rmp, 0, sizeof (*rmp));
354 rmp->_vl_msg_id = ntohs (VL_API_NAT_REASS_DETAILS + sm->msg_id_base);
355 rmp->context = ctx->context;
356 clib_memcpy (rmp->src_addr, &(reass->key.src), 4);
357 clib_memcpy (rmp->dst_addr, &(reass->key.dst), 4);
358 rmp->proto = reass->key.proto;
359 rmp->frag_id = ntohl (reass->key.frag_id);
360 rmp->frag_n = reass->frag_n;
363 vl_api_send_msg (ctx->reg, (u8 *) rmp);
369 nat_ip6_reass_walk_api (nat_reass_ip6_t * reass, void *arg)
371 vl_api_nat_reass_details_t *rmp;
372 snat_main_t *sm = &snat_main;
373 nat_api_walk_ctx_t *ctx = arg;
375 rmp = vl_msg_api_alloc (sizeof (*rmp));
376 memset (rmp, 0, sizeof (*rmp));
377 rmp->_vl_msg_id = ntohs (VL_API_NAT_REASS_DETAILS + sm->msg_id_base);
378 rmp->context = ctx->context;
379 clib_memcpy (rmp->src_addr, &(reass->key.src), 16);
380 clib_memcpy (rmp->dst_addr, &(reass->key.dst), 16);
381 rmp->proto = reass->key.proto;
382 rmp->frag_id = ntohl (reass->key.frag_id);
383 rmp->frag_n = reass->frag_n;
386 vl_api_send_msg (ctx->reg, (u8 *) rmp);
392 vl_api_nat_reass_dump_t_handler (vl_api_nat_reass_dump_t * mp)
394 vl_api_registration_t *reg;
396 reg = vl_api_client_index_to_registration (mp->client_index);
400 nat_api_walk_ctx_t ctx = {
402 .context = mp->context,
405 nat_ip4_reass_walk (nat_ip4_reass_walk_api, &ctx);
406 nat_ip6_reass_walk (nat_ip6_reass_walk_api, &ctx);
410 vl_api_nat_reass_dump_t_print (vl_api_nat_reass_dump_t * mp, void *handle)
414 s = format (0, "SCRIPT: nat_reass_dump");
420 vl_api_nat_set_timeouts_t_handler (vl_api_nat_set_timeouts_t * mp)
422 snat_main_t *sm = &snat_main;
423 vl_api_nat_set_timeouts_reply_t *rmp;
426 sm->udp_timeout = ntohl (mp->udp);
427 sm->tcp_established_timeout = ntohl (mp->tcp_established);
428 sm->tcp_transitory_timeout = ntohl (mp->tcp_transitory);
429 sm->icmp_timeout = ntohl (mp->icmp);
431 rv = nat64_set_icmp_timeout (ntohl (mp->icmp));
434 rv = nat64_set_udp_timeout (ntohl (mp->udp));
438 nat64_set_tcp_timeouts (ntohl (mp->tcp_transitory),
439 ntohl (mp->tcp_established));
442 REPLY_MACRO (VL_API_NAT_SET_TIMEOUTS_REPLY);
446 vl_api_nat_set_timeouts_t_print (vl_api_nat_set_timeouts_t * mp, void *handle)
450 s = format (0, "SCRIPT: nat_set_timeouts ");
451 s = format (s, "udp %d tcp_established %d tcp_transitory %d icmp %d\n",
453 ntohl (mp->tcp_established),
454 ntohl (mp->tcp_transitory), ntohl (mp->icmp));
460 vl_api_nat_get_timeouts_t_handler (vl_api_nat_get_timeouts_t * mp)
462 snat_main_t *sm = &snat_main;
463 vl_api_nat_get_timeouts_reply_t *rmp;
467 REPLY_MACRO2 (VL_API_NAT_GET_TIMEOUTS_REPLY,
469 rmp->udp = htonl (sm->udp_timeout);
470 rmp->tcp_established = htonl (sm->tcp_established_timeout);
471 rmp->tcp_transitory = htonl (sm->tcp_transitory_timeout);
472 rmp->icmp = htonl (sm->icmp_timeout);
478 vl_api_nat_get_timeouts_t_print (vl_api_nat_get_timeouts_t * mp, void *handle)
482 s = format (0, "SCRIPT: nat_get_timeouts");
491 vl_api_nat44_add_del_address_range_t_handler
492 (vl_api_nat44_add_del_address_range_t * mp)
494 snat_main_t *sm = &snat_main;
495 vl_api_nat44_add_del_address_range_reply_t *rmp;
496 ip4_address_t this_addr;
497 u32 start_host_order, end_host_order;
503 if (sm->deterministic)
505 rv = VNET_API_ERROR_UNSUPPORTED;
509 if (sm->static_mapping_only)
511 rv = VNET_API_ERROR_FEATURE_DISABLED;
515 tmp = (u32 *) mp->first_ip_address;
516 start_host_order = clib_host_to_net_u32 (tmp[0]);
517 tmp = (u32 *) mp->last_ip_address;
518 end_host_order = clib_host_to_net_u32 (tmp[0]);
520 count = (end_host_order - start_host_order) + 1;
522 vrf_id = clib_host_to_net_u32 (mp->vrf_id);
525 nat_log_info ("%U - %U, %d addresses...",
526 format_ip4_address, mp->first_ip_address,
527 format_ip4_address, mp->last_ip_address, count);
529 memcpy (&this_addr.as_u8, mp->first_ip_address, 4);
531 for (i = 0; i < count; i++)
534 rv = snat_add_address (sm, &this_addr, vrf_id, mp->twice_nat);
536 rv = snat_del_address (sm, this_addr, 0, mp->twice_nat);
542 nat44_add_del_address_dpo (this_addr, mp->is_add);
544 increment_v4_address (&this_addr);
548 REPLY_MACRO (VL_API_NAT44_ADD_DEL_ADDRESS_RANGE_REPLY);
551 static void *vl_api_nat44_add_del_address_range_t_print
552 (vl_api_nat44_add_del_address_range_t * mp, void *handle)
556 s = format (0, "SCRIPT: nat44_add_address_range ");
557 s = format (s, "%U ", format_ip4_address, mp->first_ip_address);
558 if (memcmp (mp->first_ip_address, mp->last_ip_address, 4))
560 s = format (s, " - %U ", format_ip4_address, mp->last_ip_address);
562 s = format (s, "twice_nat %d ", mp->twice_nat);
567 send_nat44_address_details (snat_address_t * a,
568 vl_api_registration_t * reg, u32 context,
571 vl_api_nat44_address_details_t *rmp;
572 snat_main_t *sm = &snat_main;
574 rmp = vl_msg_api_alloc (sizeof (*rmp));
575 memset (rmp, 0, sizeof (*rmp));
576 rmp->_vl_msg_id = ntohs (VL_API_NAT44_ADDRESS_DETAILS + sm->msg_id_base);
577 clib_memcpy (rmp->ip_address, &(a->addr), 4);
578 if (a->fib_index != ~0)
580 fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4);
581 rmp->vrf_id = ntohl (fib->ft_table_id);
585 rmp->twice_nat = twice_nat;
586 rmp->context = context;
588 vl_api_send_msg (reg, (u8 *) rmp);
592 vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp)
594 vl_api_registration_t *reg;
595 snat_main_t *sm = &snat_main;
598 if (sm->deterministic)
601 reg = vl_api_client_index_to_registration (mp->client_index);
606 vec_foreach (a, sm->addresses)
607 send_nat44_address_details (a, reg, mp->context, 0);
608 vec_foreach (a, sm->twice_nat_addresses)
609 send_nat44_address_details (a, reg, mp->context, 1);
614 vl_api_nat44_address_dump_t_print (vl_api_nat44_address_dump_t * mp,
619 s = format (0, "SCRIPT: nat44_address_dump ");
625 vl_api_nat44_interface_add_del_feature_t_handler
626 (vl_api_nat44_interface_add_del_feature_t * mp)
628 snat_main_t *sm = &snat_main;
629 vl_api_nat44_interface_add_del_feature_reply_t *rmp;
630 u8 is_del = mp->is_add == 0;
631 u32 sw_if_index = ntohl (mp->sw_if_index);
634 VALIDATE_SW_IF_INDEX (mp);
636 rv = snat_interface_add_del (sw_if_index, mp->is_inside, is_del);
638 BAD_SW_IF_INDEX_LABEL;
640 REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_FEATURE_REPLY);
643 static void *vl_api_nat44_interface_add_del_feature_t_print
644 (vl_api_nat44_interface_add_del_feature_t * mp, void *handle)
648 s = format (0, "SCRIPT: nat44_interface_add_del_feature ");
649 s = format (s, "sw_if_index %d %s %s",
650 clib_host_to_net_u32 (mp->sw_if_index),
651 mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
657 send_nat44_interface_details (snat_interface_t * i,
658 vl_api_registration_t * reg, u32 context)
660 vl_api_nat44_interface_details_t *rmp;
661 snat_main_t *sm = &snat_main;
663 rmp = vl_msg_api_alloc (sizeof (*rmp));
664 memset (rmp, 0, sizeof (*rmp));
665 rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base);
666 rmp->sw_if_index = ntohl (i->sw_if_index);
667 rmp->is_inside = (nat_interface_is_inside (i)
668 && nat_interface_is_outside (i)) ? 2 :
669 nat_interface_is_inside (i);
670 rmp->context = context;
672 vl_api_send_msg (reg, (u8 *) rmp);
676 vl_api_nat44_interface_dump_t_handler (vl_api_nat44_interface_dump_t * mp)
678 vl_api_registration_t *reg;
679 snat_main_t *sm = &snat_main;
682 reg = vl_api_client_index_to_registration (mp->client_index);
687 pool_foreach (i, sm->interfaces,
689 send_nat44_interface_details(i, reg, mp->context);
695 vl_api_nat44_interface_dump_t_print (vl_api_nat44_interface_dump_t * mp,
700 s = format (0, "SCRIPT: nat44_interface_dump ");
706 vl_api_nat44_interface_add_del_output_feature_t_handler
707 (vl_api_nat44_interface_add_del_output_feature_t * mp)
709 snat_main_t *sm = &snat_main;
710 vl_api_nat44_interface_add_del_output_feature_reply_t *rmp;
711 u8 is_del = mp->is_add == 0;
712 u32 sw_if_index = ntohl (mp->sw_if_index);
715 if (sm->deterministic)
717 rv = VNET_API_ERROR_UNSUPPORTED;
721 VALIDATE_SW_IF_INDEX (mp);
723 rv = snat_interface_add_del_output_feature (sw_if_index, mp->is_inside,
726 BAD_SW_IF_INDEX_LABEL;
728 REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY);
731 static void *vl_api_nat44_interface_add_del_output_feature_t_print
732 (vl_api_nat44_interface_add_del_output_feature_t * mp, void *handle)
736 s = format (0, "SCRIPT: nat44_interface_add_del_output_feature ");
737 s = format (s, "sw_if_index %d %s %s",
738 clib_host_to_net_u32 (mp->sw_if_index),
739 mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
745 send_nat44_interface_output_feature_details (snat_interface_t * i,
746 vl_api_registration_t * reg,
749 vl_api_nat44_interface_output_feature_details_t *rmp;
750 snat_main_t *sm = &snat_main;
752 rmp = vl_msg_api_alloc (sizeof (*rmp));
753 memset (rmp, 0, sizeof (*rmp));
755 ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base);
756 rmp->sw_if_index = ntohl (i->sw_if_index);
757 rmp->context = context;
758 rmp->is_inside = nat_interface_is_inside (i);
760 vl_api_send_msg (reg, (u8 *) rmp);
764 vl_api_nat44_interface_output_feature_dump_t_handler
765 (vl_api_nat44_interface_output_feature_dump_t * mp)
767 vl_api_registration_t *reg;
768 snat_main_t *sm = &snat_main;
771 if (sm->deterministic)
774 reg = vl_api_client_index_to_registration (mp->client_index);
779 pool_foreach (i, sm->output_feature_interfaces,
781 send_nat44_interface_output_feature_details(i, reg, mp->context);
786 static void *vl_api_nat44_interface_output_feature_dump_t_print
787 (vl_api_nat44_interface_output_feature_dump_t * mp, void *handle)
791 s = format (0, "SCRIPT: nat44_interface_output_feature_dump ");
797 vl_api_nat44_add_del_static_mapping_t_handler
798 (vl_api_nat44_add_del_static_mapping_t * mp)
800 snat_main_t *sm = &snat_main;
801 vl_api_nat44_add_del_static_mapping_reply_t *rmp;
802 ip4_address_t local_addr, external_addr;
803 u16 local_port = 0, external_port = 0;
804 u32 vrf_id, external_sw_if_index;
805 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
807 snat_protocol_t proto;
810 if (sm->deterministic)
812 rv = VNET_API_ERROR_UNSUPPORTED;
816 memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
817 memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
818 if (mp->addr_only == 0)
820 local_port = clib_net_to_host_u16 (mp->local_port);
821 external_port = clib_net_to_host_u16 (mp->external_port);
823 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
824 external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
825 proto = ip_proto_to_snat_proto (mp->protocol);
827 twice_nat = TWICE_NAT;
828 else if (mp->self_twice_nat)
829 twice_nat = TWICE_NAT_SELF;
830 mp->tag[sizeof (mp->tag) - 1] = 0;
831 tag = format (0, "%s", mp->tag);
832 vec_terminate_c_string (tag);
834 rv = snat_add_static_mapping (local_addr, external_addr, local_port,
835 external_port, vrf_id, mp->addr_only,
836 external_sw_if_index, proto, mp->is_add,
837 twice_nat, mp->out2in_only, tag);
842 REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY);
845 static void *vl_api_nat44_add_del_static_mapping_t_print
846 (vl_api_nat44_add_del_static_mapping_t * mp, void *handle)
850 s = format (0, "SCRIPT: nat44_add_del_static_mapping ");
851 s = format (s, "protocol %d local_addr %U external_addr %U ",
853 format_ip4_address, mp->local_ip_address,
854 format_ip4_address, mp->external_ip_address);
856 if (mp->addr_only == 0)
857 s = format (s, "local_port %d external_port %d ",
858 clib_net_to_host_u16 (mp->local_port),
859 clib_net_to_host_u16 (mp->external_port));
861 s = format (s, "twice_nat %d out2in_only %d ",
862 mp->twice_nat, mp->out2in_only);
864 if (mp->vrf_id != ~0)
865 s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
867 if (mp->external_sw_if_index != ~0)
868 s = format (s, "external_sw_if_index %d",
869 clib_net_to_host_u32 (mp->external_sw_if_index));
874 send_nat44_static_mapping_details (snat_static_mapping_t * m,
875 vl_api_registration_t * reg, u32 context)
877 vl_api_nat44_static_mapping_details_t *rmp;
878 snat_main_t *sm = &snat_main;
880 rmp = vl_msg_api_alloc (sizeof (*rmp));
881 memset (rmp, 0, sizeof (*rmp));
883 ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
884 rmp->addr_only = m->addr_only;
885 clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
886 clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
887 rmp->external_sw_if_index = ~0;
888 rmp->vrf_id = htonl (m->vrf_id);
889 rmp->context = context;
890 if (m->twice_nat == TWICE_NAT)
892 else if (m->twice_nat == TWICE_NAT_SELF)
893 rmp->self_twice_nat = 1;
894 rmp->out2in_only = m->out2in_only;
895 if (m->addr_only == 0)
897 rmp->protocol = snat_proto_to_ip_proto (m->proto);
898 rmp->external_port = htons (m->external_port);
899 rmp->local_port = htons (m->local_port);
902 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
904 vl_api_send_msg (reg, (u8 *) rmp);
908 send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m,
909 vl_api_registration_t * reg,
912 vl_api_nat44_static_mapping_details_t *rmp;
913 snat_main_t *sm = &snat_main;
915 rmp = vl_msg_api_alloc (sizeof (*rmp));
916 memset (rmp, 0, sizeof (*rmp));
918 ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
919 rmp->addr_only = m->addr_only;
920 clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4);
921 rmp->external_sw_if_index = htonl (m->sw_if_index);
922 rmp->vrf_id = htonl (m->vrf_id);
923 rmp->context = context;
924 rmp->twice_nat = m->twice_nat;
925 if (m->addr_only == 0)
927 rmp->protocol = snat_proto_to_ip_proto (m->proto);
928 rmp->external_port = htons (m->e_port);
929 rmp->local_port = htons (m->l_port);
932 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
934 vl_api_send_msg (reg, (u8 *) rmp);
938 vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t
941 vl_api_registration_t *reg;
942 snat_main_t *sm = &snat_main;
943 snat_static_mapping_t *m;
944 snat_static_map_resolve_t *rp;
947 if (sm->deterministic)
950 reg = vl_api_client_index_to_registration (mp->client_index);
955 pool_foreach (m, sm->static_mappings,
957 if (!vec_len (m->locals) &&
958 ((m->local_port != m->external_port)
959 || (m->local_addr.as_u32 != m->external_addr.as_u32)))
960 send_nat44_static_mapping_details (m, reg, mp->context);
964 for (j = 0; j < vec_len (sm->to_resolve); j++)
966 rp = sm->to_resolve + j;
967 if (rp->l_addr.as_u32 != 0)
968 send_nat44_static_map_resolve_details (rp, reg, mp->context);
973 vl_api_nat44_static_mapping_dump_t_print (vl_api_nat44_static_mapping_dump_t *
978 s = format (0, "SCRIPT: nat44_static_mapping_dump ");
984 vl_api_nat44_add_del_identity_mapping_t_handler
985 (vl_api_nat44_add_del_identity_mapping_t * mp)
987 snat_main_t *sm = &snat_main;
988 vl_api_nat44_add_del_identity_mapping_reply_t *rmp;
991 u32 vrf_id, sw_if_index;
993 snat_protocol_t proto = ~0;
996 if (sm->deterministic)
998 rv = VNET_API_ERROR_UNSUPPORTED;
1002 if (mp->addr_only == 0)
1004 port = clib_net_to_host_u16 (mp->port);
1005 proto = ip_proto_to_snat_proto (mp->protocol);
1007 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
1008 sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
1009 if (sw_if_index != ~0)
1012 memcpy (&addr.as_u8, mp->ip_address, 4);
1013 mp->tag[sizeof (mp->tag) - 1] = 0;
1014 tag = format (0, "%s", mp->tag);
1015 vec_terminate_c_string (tag);
1018 snat_add_static_mapping (addr, addr, port, port, vrf_id, mp->addr_only,
1019 sw_if_index, proto, mp->is_add, 0, 0, tag);
1024 REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY);
1027 static void *vl_api_nat44_add_del_identity_mapping_t_print
1028 (vl_api_nat44_add_del_identity_mapping_t * mp, void *handle)
1032 s = format (0, "SCRIPT: nat44_add_del_identity_mapping ");
1033 if (mp->sw_if_index != ~0)
1034 s = format (s, "sw_if_index %d", clib_net_to_host_u32 (mp->sw_if_index));
1036 s = format (s, "addr %U", format_ip4_address, mp->ip_address);
1038 if (mp->addr_only == 0)
1040 format (s, "protocol %d port %d", mp->protocol,
1041 clib_net_to_host_u16 (mp->port));
1043 if (mp->vrf_id != ~0)
1044 s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
1050 send_nat44_identity_mapping_details (snat_static_mapping_t * m,
1051 vl_api_registration_t * reg, u32 context)
1053 vl_api_nat44_identity_mapping_details_t *rmp;
1054 snat_main_t *sm = &snat_main;
1056 rmp = vl_msg_api_alloc (sizeof (*rmp));
1057 memset (rmp, 0, sizeof (*rmp));
1059 ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
1060 rmp->addr_only = m->addr_only;
1061 clib_memcpy (rmp->ip_address, &(m->local_addr), 4);
1062 rmp->port = htons (m->local_port);
1063 rmp->sw_if_index = ~0;
1064 rmp->vrf_id = htonl (m->vrf_id);
1065 rmp->protocol = snat_proto_to_ip_proto (m->proto);
1066 rmp->context = context;
1068 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1070 vl_api_send_msg (reg, (u8 *) rmp);
1074 send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m,
1075 vl_api_registration_t * reg,
1078 vl_api_nat44_identity_mapping_details_t *rmp;
1079 snat_main_t *sm = &snat_main;
1081 rmp = vl_msg_api_alloc (sizeof (*rmp));
1082 memset (rmp, 0, sizeof (*rmp));
1084 ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
1085 rmp->addr_only = m->addr_only;
1086 rmp->port = htons (m->l_port);
1087 rmp->sw_if_index = htonl (m->sw_if_index);
1088 rmp->vrf_id = htonl (m->vrf_id);
1089 rmp->protocol = snat_proto_to_ip_proto (m->proto);
1090 rmp->context = context;
1092 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1094 vl_api_send_msg (reg, (u8 *) rmp);
1098 vl_api_nat44_identity_mapping_dump_t_handler
1099 (vl_api_nat44_identity_mapping_dump_t * mp)
1101 vl_api_registration_t *reg;
1102 snat_main_t *sm = &snat_main;
1103 snat_static_mapping_t *m;
1104 snat_static_map_resolve_t *rp;
1107 if (sm->deterministic)
1110 reg = vl_api_client_index_to_registration (mp->client_index);
1115 pool_foreach (m, sm->static_mappings,
1117 if (!vec_len (m->locals) && (m->local_port == m->external_port)
1118 && (m->local_addr.as_u32 == m->external_addr.as_u32))
1119 send_nat44_identity_mapping_details (m, reg, mp->context);
1123 for (j = 0; j < vec_len (sm->to_resolve); j++)
1125 rp = sm->to_resolve + j;
1126 if (rp->l_addr.as_u32 == 0)
1127 send_nat44_identity_map_resolve_details (rp, reg, mp->context);
1131 static void *vl_api_nat44_identity_mapping_dump_t_print
1132 (vl_api_nat44_identity_mapping_dump_t * mp, void *handle)
1136 s = format (0, "SCRIPT: nat44_identity_mapping_dump ");
1142 vl_api_nat44_add_del_interface_addr_t_handler
1143 (vl_api_nat44_add_del_interface_addr_t * mp)
1145 snat_main_t *sm = &snat_main;
1146 vl_api_nat44_add_del_interface_addr_reply_t *rmp;
1147 u8 is_del = mp->is_add == 0;
1148 u32 sw_if_index = ntohl (mp->sw_if_index);
1151 if (sm->deterministic)
1153 rv = VNET_API_ERROR_UNSUPPORTED;
1157 VALIDATE_SW_IF_INDEX (mp);
1159 rv = snat_add_interface_address (sm, sw_if_index, is_del, mp->twice_nat);
1161 BAD_SW_IF_INDEX_LABEL;
1163 REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY);
1166 static void *vl_api_nat44_add_del_interface_addr_t_print
1167 (vl_api_nat44_add_del_interface_addr_t * mp, void *handle)
1171 s = format (0, "SCRIPT: nat44_add_del_interface_addr ");
1172 s = format (s, "sw_if_index %d twice_nat %d %s",
1173 clib_host_to_net_u32 (mp->sw_if_index),
1174 mp->twice_nat, mp->is_add ? "" : "del");
1180 send_nat44_interface_addr_details (u32 sw_if_index,
1181 vl_api_registration_t * reg, u32 context,
1184 vl_api_nat44_interface_addr_details_t *rmp;
1185 snat_main_t *sm = &snat_main;
1187 rmp = vl_msg_api_alloc (sizeof (*rmp));
1188 memset (rmp, 0, sizeof (*rmp));
1190 ntohs (VL_API_NAT44_INTERFACE_ADDR_DETAILS + sm->msg_id_base);
1191 rmp->sw_if_index = ntohl (sw_if_index);
1192 rmp->twice_nat = twice_nat;
1193 rmp->context = context;
1195 vl_api_send_msg (reg, (u8 *) rmp);
1199 vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t
1202 vl_api_registration_t *reg;
1203 snat_main_t *sm = &snat_main;
1206 if (sm->deterministic)
1209 reg = vl_api_client_index_to_registration (mp->client_index);
1214 vec_foreach (i, sm->auto_add_sw_if_indices)
1215 send_nat44_interface_addr_details(*i, reg, mp->context, 0);
1216 vec_foreach (i, sm->auto_add_sw_if_indices_twice_nat)
1217 send_nat44_interface_addr_details(*i, reg, mp->context, 1);
1222 vl_api_nat44_interface_addr_dump_t_print (vl_api_nat44_interface_addr_dump_t *
1227 s = format (0, "SCRIPT: nat44_interface_addr_dump ");
1233 send_nat44_user_details (snat_user_t * u, vl_api_registration_t * reg,
1236 vl_api_nat44_user_details_t *rmp;
1237 snat_main_t *sm = &snat_main;
1238 ip4_main_t *im = &ip4_main;
1240 rmp = vl_msg_api_alloc (sizeof (*rmp));
1241 memset (rmp, 0, sizeof (*rmp));
1242 rmp->_vl_msg_id = ntohs (VL_API_NAT44_USER_DETAILS + sm->msg_id_base);
1244 if (!pool_is_free_index (im->fibs, u->fib_index))
1246 fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4);
1247 rmp->vrf_id = ntohl (fib->ft_table_id);
1250 clib_memcpy (rmp->ip_address, &(u->addr), 4);
1251 rmp->nsessions = ntohl (u->nsessions);
1252 rmp->nstaticsessions = ntohl (u->nstaticsessions);
1253 rmp->context = context;
1255 vl_api_send_msg (reg, (u8 *) rmp);
1259 vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp)
1261 vl_api_registration_t *reg;
1262 snat_main_t *sm = &snat_main;
1263 snat_main_per_thread_data_t *tsm;
1266 if (sm->deterministic)
1269 reg = vl_api_client_index_to_registration (mp->client_index);
1274 vec_foreach (tsm, sm->per_thread_data)
1276 pool_foreach (u, tsm->users,
1278 send_nat44_user_details (u, reg, mp->context);
1285 vl_api_nat44_user_dump_t_print (vl_api_nat44_user_dump_t * mp, void *handle)
1289 s = format (0, "SCRIPT: nat44_user_dump ");
1295 send_nat44_user_session_details (snat_session_t * s,
1296 vl_api_registration_t * reg, u32 context)
1298 vl_api_nat44_user_session_details_t *rmp;
1299 snat_main_t *sm = &snat_main;
1301 rmp = vl_msg_api_alloc (sizeof (*rmp));
1302 memset (rmp, 0, sizeof (*rmp));
1304 ntohs (VL_API_NAT44_USER_SESSION_DETAILS + sm->msg_id_base);
1305 clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4);
1306 clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4);
1307 rmp->is_static = snat_is_session_static (s) ? 1 : 0;
1308 rmp->is_twicenat = is_twice_nat_session (s) ? 1 : 0;
1309 rmp->ext_host_valid = is_ed_session (s)
1310 || is_fwd_bypass_session (s) ? 1 : 0;
1311 rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard);
1312 rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes);
1313 rmp->total_pkts = ntohl (s->total_pkts);
1314 rmp->context = context;
1315 if (snat_is_unk_proto_session (s))
1317 rmp->outside_port = 0;
1318 rmp->inside_port = 0;
1319 rmp->protocol = ntohs (s->in2out.port);
1323 rmp->outside_port = s->out2in.port;
1324 rmp->inside_port = s->in2out.port;
1325 rmp->protocol = ntohs (snat_proto_to_ip_proto (s->in2out.protocol));
1327 if (is_ed_session (s) || is_fwd_bypass_session (s))
1329 clib_memcpy (rmp->ext_host_address, &s->ext_host_addr, 4);
1330 rmp->ext_host_port = s->ext_host_port;
1331 if (is_twice_nat_session (s))
1333 clib_memcpy (rmp->ext_host_nat_address, &s->ext_host_nat_addr, 4);
1334 rmp->ext_host_nat_port = s->ext_host_nat_port;
1338 vl_api_send_msg (reg, (u8 *) rmp);
1342 vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t *
1345 vl_api_registration_t *reg;
1346 snat_main_t *sm = &snat_main;
1347 snat_main_per_thread_data_t *tsm;
1349 clib_bihash_kv_8_8_t key, value;
1350 snat_user_key_t ukey;
1352 u32 session_index, head_index, elt_index;
1353 dlist_elt_t *head, *elt;
1356 if (sm->deterministic)
1359 reg = vl_api_client_index_to_registration (mp->client_index);
1363 clib_memcpy (&ukey.addr, mp->ip_address, 4);
1364 ip.src_address.as_u32 = ukey.addr.as_u32;
1365 ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id));
1366 key.key = ukey.as_u64;
1367 if (sm->num_workers > 1)
1369 vec_elt_at_index (sm->per_thread_data,
1370 sm->worker_in2out_cb (&ip, ukey.fib_index));
1372 tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
1373 if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value))
1375 u = pool_elt_at_index (tsm->users, value.value);
1376 if (!u->nsessions && !u->nstaticsessions)
1379 head_index = u->sessions_per_user_list_head_index;
1380 head = pool_elt_at_index (tsm->list_pool, head_index);
1381 elt_index = head->next;
1382 elt = pool_elt_at_index (tsm->list_pool, elt_index);
1383 session_index = elt->value;
1384 while (session_index != ~0)
1386 s = pool_elt_at_index (tsm->sessions, session_index);
1388 send_nat44_user_session_details (s, reg, mp->context);
1390 elt_index = elt->next;
1391 elt = pool_elt_at_index (tsm->list_pool, elt_index);
1392 session_index = elt->value;
1397 vl_api_nat44_user_session_dump_t_print (vl_api_nat44_user_session_dump_t * mp,
1402 s = format (0, "SCRIPT: nat44_user_session_dump ");
1403 s = format (s, "ip_address %U vrf_id %d\n",
1404 format_ip4_address, mp->ip_address,
1405 clib_net_to_host_u32 (mp->vrf_id));
1410 static nat44_lb_addr_port_t *
1411 unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t * addr_port_pairs,
1412 u8 addr_port_pair_num)
1415 nat44_lb_addr_port_t *lb_addr_port_pairs = 0, lb_addr_port;
1416 vl_api_nat44_lb_addr_port_t *ap;
1418 for (i = 0; i < addr_port_pair_num; i++)
1420 ap = &addr_port_pairs[i];
1421 memset (&lb_addr_port, 0, sizeof (lb_addr_port));
1422 clib_memcpy (&lb_addr_port.addr, ap->addr, 4);
1423 lb_addr_port.port = clib_net_to_host_u16 (ap->port);
1424 lb_addr_port.probability = ap->probability;
1425 lb_addr_port.vrf_id = clib_net_to_host_u32 (ap->vrf_id);
1426 vec_add1 (lb_addr_port_pairs, lb_addr_port);
1429 return lb_addr_port_pairs;
1433 vl_api_nat44_add_del_lb_static_mapping_t_handler
1434 (vl_api_nat44_add_del_lb_static_mapping_t * mp)
1436 snat_main_t *sm = &snat_main;
1437 vl_api_nat44_add_del_lb_static_mapping_reply_t *rmp;
1438 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
1440 nat44_lb_addr_port_t *locals = 0;
1441 ip4_address_t e_addr;
1442 snat_protocol_t proto;
1445 if (!sm->endpoint_dependent)
1447 rv = VNET_API_ERROR_UNSUPPORTED;
1451 locals = unformat_nat44_lb_addr_port (mp->locals, mp->local_num);
1452 clib_memcpy (&e_addr, mp->external_addr, 4);
1453 proto = ip_proto_to_snat_proto (mp->protocol);
1455 twice_nat = TWICE_NAT;
1456 else if (mp->self_twice_nat)
1457 twice_nat = TWICE_NAT_SELF;
1458 mp->tag[sizeof (mp->tag) - 1] = 0;
1459 tag = format (0, "%s", mp->tag);
1460 vec_terminate_c_string (tag);
1463 nat44_add_del_lb_static_mapping (e_addr,
1464 clib_net_to_host_u16 (mp->external_port),
1465 proto, locals, mp->is_add, twice_nat,
1466 mp->out2in_only, tag,
1467 clib_net_to_host_u32 (mp->affinity));
1473 REPLY_MACRO (VL_API_NAT44_ADD_DEL_LB_STATIC_MAPPING_REPLY);
1476 static void *vl_api_nat44_add_del_lb_static_mapping_t_print
1477 (vl_api_nat44_add_del_lb_static_mapping_t * mp, void *handle)
1481 s = format (0, "SCRIPT: nat44_add_del_lb_static_mapping ");
1482 s = format (s, "is_add %d twice_nat %d out2in_only %d ",
1483 mp->is_add, mp->twice_nat, mp->out2in_only);
1489 send_nat44_lb_static_mapping_details (snat_static_mapping_t * m,
1490 vl_api_registration_t * reg,
1493 vl_api_nat44_lb_static_mapping_details_t *rmp;
1494 snat_main_t *sm = &snat_main;
1495 nat44_lb_addr_port_t *ap;
1496 vl_api_nat44_lb_addr_port_t *locals;
1499 vl_msg_api_alloc (sizeof (*rmp) +
1500 (vec_len (m->locals) * sizeof (nat44_lb_addr_port_t)));
1501 memset (rmp, 0, sizeof (*rmp));
1503 ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base);
1505 clib_memcpy (rmp->external_addr, &(m->external_addr), 4);
1506 rmp->external_port = ntohs (m->external_port);
1507 rmp->protocol = snat_proto_to_ip_proto (m->proto);
1508 rmp->context = context;
1509 if (m->twice_nat == TWICE_NAT)
1511 else if (m->twice_nat == TWICE_NAT_SELF)
1512 rmp->self_twice_nat = 1;
1513 rmp->out2in_only = m->out2in_only;
1515 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1517 locals = (vl_api_nat44_lb_addr_port_t *) rmp->locals;
1518 vec_foreach (ap, m->locals)
1520 clib_memcpy (locals->addr, &(ap->addr), 4);
1521 locals->port = htons (ap->port);
1522 locals->probability = ap->probability;
1523 locals->vrf_id = ntohl (ap->vrf_id);
1528 vl_api_send_msg (reg, (u8 *) rmp);
1532 vl_api_nat44_lb_static_mapping_dump_t_handler
1533 (vl_api_nat44_lb_static_mapping_dump_t * mp)
1535 vl_api_registration_t *reg;
1536 snat_main_t *sm = &snat_main;
1537 snat_static_mapping_t *m;
1539 if (!sm->endpoint_dependent)
1542 reg = vl_api_client_index_to_registration (mp->client_index);
1547 pool_foreach (m, sm->static_mappings,
1549 if (vec_len(m->locals))
1550 send_nat44_lb_static_mapping_details (m, reg, mp->context);
1555 static void *vl_api_nat44_lb_static_mapping_dump_t_print
1556 (vl_api_nat44_lb_static_mapping_dump_t * mp, void *handle)
1560 s = format (0, "SCRIPT: nat44_lb_static_mapping_dump ");
1566 vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
1568 snat_main_t *sm = &snat_main;
1569 vl_api_nat44_del_session_reply_t *rmp;
1570 ip4_address_t addr, eh_addr;
1574 snat_protocol_t proto;
1576 if (sm->deterministic)
1578 rv = VNET_API_ERROR_UNSUPPORTED;
1582 memcpy (&addr.as_u8, mp->address, 4);
1583 port = clib_net_to_host_u16 (mp->port);
1584 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
1585 proto = ip_proto_to_snat_proto (mp->protocol);
1586 memcpy (&eh_addr.as_u8, mp->ext_host_address, 4);
1587 eh_port = clib_net_to_host_u16 (mp->ext_host_port);
1589 if (mp->ext_host_valid)
1591 nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, mp->protocol,
1594 rv = nat44_del_session (sm, &addr, port, proto, vrf_id, mp->is_in);
1597 REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY);
1601 vl_api_nat44_del_session_t_print (vl_api_nat44_del_session_t * mp,
1606 s = format (0, "SCRIPT: nat44_add_del_static_mapping ");
1607 s = format (s, "addr %U port %d protocol %d vrf_id %d is_in %d",
1608 format_ip4_address, mp->address,
1609 clib_net_to_host_u16 (mp->port),
1610 mp->protocol, clib_net_to_host_u32 (mp->vrf_id), mp->is_in);
1611 if (mp->ext_host_valid)
1612 s = format (s, "ext_host_address %U ext_host_port %d",
1613 format_ip4_address, mp->ext_host_address,
1614 clib_net_to_host_u16 (mp->ext_host_port));
1620 vl_api_nat44_forwarding_enable_disable_t_handler
1621 (vl_api_nat44_forwarding_enable_disable_t * mp)
1623 snat_main_t *sm = &snat_main;
1624 vl_api_nat44_forwarding_enable_disable_reply_t *rmp;
1626 u32 *ses_to_be_removed = 0, *ses_index;
1627 snat_main_per_thread_data_t *tsm;
1630 sm->forwarding_enabled = mp->enable != 0;
1632 if (mp->enable == 0)
1635 vec_foreach (tsm, sm->per_thread_data)
1637 pool_foreach (s, tsm->sessions,
1639 if (is_fwd_bypass_session(s))
1641 vec_add1 (ses_to_be_removed, s - tsm->sessions);
1644 vec_foreach (ses_index, ses_to_be_removed)
1646 s = pool_elt_at_index(tsm->sessions, ses_index[0]);
1647 nat_free_session_data (sm, s, tsm - sm->per_thread_data);
1648 nat44_delete_session (sm, s, tsm - sm->per_thread_data);
1650 vec_free (ses_to_be_removed);
1655 REPLY_MACRO (VL_API_NAT44_FORWARDING_ENABLE_DISABLE_REPLY);
1658 static void *vl_api_nat44_forwarding_enable_disable_t_print
1659 (vl_api_nat44_forwarding_enable_disable_t * mp, void *handle)
1663 s = format (0, "SCRIPT: nat44_forwarding_enable_disable ");
1664 s = format (s, "enable %d", mp->enable != 0);
1670 vl_api_nat44_forwarding_is_enabled_t_handler
1671 (vl_api_nat44_forwarding_is_enabled_t * mp)
1673 vl_api_registration_t *reg;
1674 snat_main_t *sm = &snat_main;
1675 vl_api_nat44_forwarding_is_enabled_reply_t *rmp;
1677 reg = vl_api_client_index_to_registration (mp->client_index);
1681 rmp = vl_msg_api_alloc (sizeof (*rmp));
1682 memset (rmp, 0, sizeof (*rmp));
1684 ntohs (VL_API_NAT44_FORWARDING_IS_ENABLED_REPLY + sm->msg_id_base);
1685 rmp->context = mp->context;
1687 rmp->enabled = sm->forwarding_enabled;
1689 vl_api_send_msg (reg, (u8 *) rmp);
1692 static void *vl_api_nat44_forwarding_is_enabled_t_print
1693 (vl_api_nat44_forwarding_is_enabled_t * mp, void *handle)
1697 s = format (0, "SCRIPT: nat44_forwarding_is_enabled ");
1702 /*******************************/
1703 /*** Deterministic NAT (CGN) ***/
1704 /*******************************/
1707 vl_api_nat_det_add_del_map_t_handler (vl_api_nat_det_add_del_map_t * mp)
1709 snat_main_t *sm = &snat_main;
1710 vl_api_nat_det_add_del_map_reply_t *rmp;
1712 ip4_address_t in_addr, out_addr;
1714 if (!sm->deterministic)
1716 rv = VNET_API_ERROR_UNSUPPORTED;
1722 rv = VNET_API_ERROR_UNIMPLEMENTED;
1726 clib_memcpy (&in_addr, mp->in_addr, 4);
1727 clib_memcpy (&out_addr, mp->out_addr, 4);
1728 rv = snat_det_add_map (sm, &in_addr, mp->in_plen, &out_addr,
1729 mp->out_plen, mp->is_add);
1732 REPLY_MACRO (VL_API_NAT_DET_ADD_DEL_MAP_REPLY);
1736 vl_api_nat_det_add_del_map_t_print (vl_api_nat_det_add_del_map_t * mp,
1741 s = format (0, "SCRIPT: nat_det_add_del_map ");
1742 s = format (s, "inside address %U/%d outside address %U/%d\n",
1743 format_ip4_address, mp->in_addr, mp->in_plen,
1744 format_ip4_address, mp->out_addr, mp->out_plen);
1750 vl_api_nat_det_forward_t_handler (vl_api_nat_det_forward_t * mp)
1752 snat_main_t *sm = &snat_main;
1753 vl_api_nat_det_forward_reply_t *rmp;
1755 u16 lo_port = 0, hi_port = 0;
1757 ip4_address_t in_addr, out_addr;
1759 if (!sm->deterministic)
1761 rv = VNET_API_ERROR_UNSUPPORTED;
1762 REPLY_MACRO (VL_API_NAT_DET_FORWARD_REPLY);
1768 out_addr.as_u32 = 0;
1769 rv = VNET_API_ERROR_UNIMPLEMENTED;
1773 out_addr.as_u32 = 0;
1774 clib_memcpy (&in_addr, mp->in_addr, 4);
1775 dm = snat_det_map_by_user (sm, &in_addr);
1778 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1782 snat_det_forward (dm, &in_addr, &out_addr, &lo_port);
1783 hi_port = lo_port + dm->ports_per_host - 1;
1787 REPLY_MACRO2 (VL_API_NAT_DET_FORWARD_REPLY,
1789 rmp->out_port_lo = ntohs (lo_port);
1790 rmp->out_port_hi = ntohs (hi_port);
1791 clib_memcpy (rmp->out_addr, &out_addr, 4);
1797 vl_api_nat_det_forward_t_print (vl_api_nat_det_forward_t * mp, void *handle)
1801 s = format (0, "SCRIPT: nat_det_forward");
1802 s = format (s, "inside ip address %U\n", format_ip4_address, mp->in_addr);
1808 vl_api_nat_det_reverse_t_handler (vl_api_nat_det_reverse_t * mp)
1810 snat_main_t *sm = &snat_main;
1811 vl_api_nat_det_reverse_reply_t *rmp;
1813 ip4_address_t out_addr, in_addr;
1816 if (!sm->deterministic)
1818 rv = VNET_API_ERROR_UNSUPPORTED;
1819 REPLY_MACRO (VL_API_NAT_DET_REVERSE_REPLY);
1824 clib_memcpy (&out_addr, mp->out_addr, 4);
1825 dm = snat_det_map_by_out (sm, &out_addr);
1828 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1832 snat_det_reverse (dm, &out_addr, htons (mp->out_port), &in_addr);
1836 REPLY_MACRO2 (VL_API_NAT_DET_REVERSE_REPLY,
1839 memset (rmp->in_addr, 0, 16);
1840 clib_memcpy (rmp->in_addr, &in_addr, 4);
1846 vl_api_nat_det_reverse_t_print (vl_api_nat_det_reverse_t * mp, void *handle)
1850 s = format (0, "SCRIPT: nat_det_reverse");
1851 s = format (s, "outside ip address %U outside port %d",
1852 format_ip4_address, mp->out_addr, ntohs (mp->out_port));
1858 sent_nat_det_map_details (snat_det_map_t * m, vl_api_registration_t * reg,
1861 vl_api_nat_det_map_details_t *rmp;
1862 snat_main_t *sm = &snat_main;
1864 rmp = vl_msg_api_alloc (sizeof (*rmp));
1865 memset (rmp, 0, sizeof (*rmp));
1866 rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_MAP_DETAILS + sm->msg_id_base);
1868 clib_memcpy (rmp->in_addr, &m->in_addr, 4);
1869 rmp->in_plen = m->in_plen;
1870 clib_memcpy (rmp->out_addr, &m->out_addr, 4);
1871 rmp->out_plen = m->out_plen;
1872 rmp->sharing_ratio = htonl (m->sharing_ratio);
1873 rmp->ports_per_host = htons (m->ports_per_host);
1874 rmp->ses_num = htonl (m->ses_num);
1875 rmp->context = context;
1877 vl_api_send_msg (reg, (u8 *) rmp);
1881 vl_api_nat_det_map_dump_t_handler (vl_api_nat_det_map_dump_t * mp)
1883 vl_api_registration_t *reg;
1884 snat_main_t *sm = &snat_main;
1887 if (!sm->deterministic)
1890 reg = vl_api_client_index_to_registration (mp->client_index);
1895 vec_foreach(m, sm->det_maps)
1896 sent_nat_det_map_details(m, reg, mp->context);
1901 vl_api_nat_det_map_dump_t_print (vl_api_nat_det_map_dump_t * mp, void *handle)
1905 s = format (0, "SCRIPT: nat_det_map_dump ");
1911 vl_api_nat_det_close_session_out_t_handler (vl_api_nat_det_close_session_out_t
1914 snat_main_t *sm = &snat_main;
1915 vl_api_nat_det_close_session_out_reply_t *rmp;
1916 ip4_address_t out_addr, ext_addr, in_addr;
1917 snat_det_out_key_t key;
1919 snat_det_session_t *ses;
1922 if (!sm->deterministic)
1924 rv = VNET_API_ERROR_UNSUPPORTED;
1928 clib_memcpy (&out_addr, mp->out_addr, 4);
1929 clib_memcpy (&ext_addr, mp->ext_addr, 4);
1931 dm = snat_det_map_by_out (sm, &out_addr);
1934 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1937 snat_det_reverse (dm, &ext_addr, ntohs (mp->out_port), &in_addr);
1938 key.ext_host_addr = ext_addr;
1939 key.ext_host_port = mp->ext_port;
1940 key.out_port = mp->out_port;
1941 ses = snat_det_get_ses_by_out (dm, &in_addr, key.as_u64);
1944 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1947 snat_det_ses_close (dm, ses);
1950 REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY);
1954 vl_api_nat_det_close_session_out_t_print (vl_api_nat_det_close_session_out_t *
1959 s = format (0, "SCRIPT: nat_det_close_session_out ");
1960 s = format (s, "out_addr %U out_port %d "
1961 "ext_addr %U ext_port %d\n",
1962 format_ip4_address, mp->out_addr, ntohs (mp->out_port),
1963 format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
1969 vl_api_nat_det_close_session_in_t_handler (vl_api_nat_det_close_session_in_t *
1972 snat_main_t *sm = &snat_main;
1973 vl_api_nat_det_close_session_in_reply_t *rmp;
1974 ip4_address_t in_addr, ext_addr;
1975 snat_det_out_key_t key;
1977 snat_det_session_t *ses;
1980 if (!sm->deterministic)
1982 rv = VNET_API_ERROR_UNSUPPORTED;
1988 rv = VNET_API_ERROR_UNIMPLEMENTED;
1992 clib_memcpy (&in_addr, mp->in_addr, 4);
1993 clib_memcpy (&ext_addr, mp->ext_addr, 4);
1995 dm = snat_det_map_by_user (sm, &in_addr);
1998 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2001 key.ext_host_addr = ext_addr;
2002 key.ext_host_port = mp->ext_port;
2003 ses = snat_det_find_ses_by_in (dm, &in_addr, mp->in_port, key);
2006 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2009 snat_det_ses_close (dm, ses);
2012 REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY);
2016 vl_api_nat_det_close_session_in_t_print (vl_api_nat_det_close_session_in_t *
2020 s = format (0, "SCRIPT: nat_det_close_session_in ");
2021 s = format (s, "in_addr %U in_port %d ext_addr %U ext_port %d\n",
2022 format_ip4_address, mp->in_addr, ntohs (mp->in_port),
2023 format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
2029 send_nat_det_session_details (snat_det_session_t * s,
2030 vl_api_registration_t * reg, u32 context)
2032 vl_api_nat_det_session_details_t *rmp;
2033 snat_main_t *sm = &snat_main;
2035 rmp = vl_msg_api_alloc (sizeof (*rmp));
2036 memset (rmp, 0, sizeof (*rmp));
2037 rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_SESSION_DETAILS + sm->msg_id_base);
2038 rmp->in_port = s->in_port;
2039 clib_memcpy (rmp->ext_addr, &s->out.ext_host_addr, 4);
2040 rmp->ext_port = s->out.ext_host_port;
2041 rmp->out_port = s->out.out_port;
2042 rmp->state = s->state;
2043 rmp->expire = ntohl (s->expire);
2044 rmp->context = context;
2046 vl_api_send_msg (reg, (u8 *) rmp);
2050 vl_api_nat_det_session_dump_t_handler (vl_api_nat_det_session_dump_t * mp)
2052 vl_api_registration_t *reg;
2053 snat_main_t *sm = &snat_main;
2054 ip4_address_t user_addr;
2056 snat_det_session_t *s, empty_ses;
2059 if (!sm->deterministic)
2062 reg = vl_api_client_index_to_registration (mp->client_index);
2068 memset (&empty_ses, 0, sizeof (empty_ses));
2069 clib_memcpy (&user_addr, mp->user_addr, 4);
2070 dm = snat_det_map_by_user (sm, &user_addr);
2074 s = dm->sessions + snat_det_user_ses_offset (&user_addr, dm->in_plen);
2075 for (i = 0; i < SNAT_DET_SES_PER_USER; i++)
2078 send_nat_det_session_details (s, reg, mp->context);
2084 vl_api_nat_det_session_dump_t_print (vl_api_nat_det_session_dump_t * mp,
2089 s = format (0, "SCRIPT: nat_det_session_dump ");
2090 s = format (s, "user_addr %U\n", format_ip4_address, mp->user_addr);
2100 vl_api_nat64_add_del_pool_addr_range_t_handler
2101 (vl_api_nat64_add_del_pool_addr_range_t * mp)
2103 vl_api_nat64_add_del_pool_addr_range_reply_t *rmp;
2104 snat_main_t *sm = &snat_main;
2106 ip4_address_t this_addr;
2107 u32 start_host_order, end_host_order;
2112 tmp = (u32 *) mp->start_addr;
2113 start_host_order = clib_host_to_net_u32 (tmp[0]);
2114 tmp = (u32 *) mp->end_addr;
2115 end_host_order = clib_host_to_net_u32 (tmp[0]);
2117 count = (end_host_order - start_host_order) + 1;
2119 vrf_id = clib_host_to_net_u32 (mp->vrf_id);
2121 memcpy (&this_addr.as_u8, mp->start_addr, 4);
2123 for (i = 0; i < count; i++)
2125 if ((rv = nat64_add_del_pool_addr (&this_addr, vrf_id, mp->is_add)))
2128 increment_v4_address (&this_addr);
2132 REPLY_MACRO (VL_API_NAT64_ADD_DEL_POOL_ADDR_RANGE_REPLY);
2135 static void *vl_api_nat64_add_del_pool_addr_range_t_print
2136 (vl_api_nat64_add_del_pool_addr_range_t * mp, void *handle)
2140 s = format (0, "SCRIPT: nat64_add_del_pool_addr_range ");
2141 s = format (s, "%U - %U vrf_id %u %s\n",
2142 format_ip4_address, mp->start_addr,
2143 format_ip4_address, mp->end_addr,
2144 ntohl (mp->vrf_id), mp->is_add ? "" : "del");
2149 typedef struct nat64_api_walk_ctx_t_
2151 vl_api_registration_t *reg;
2154 } nat64_api_walk_ctx_t;
2157 nat64_api_pool_walk (snat_address_t * a, void *arg)
2159 vl_api_nat64_pool_addr_details_t *rmp;
2160 snat_main_t *sm = &snat_main;
2161 nat64_api_walk_ctx_t *ctx = arg;
2163 rmp = vl_msg_api_alloc (sizeof (*rmp));
2164 memset (rmp, 0, sizeof (*rmp));
2165 rmp->_vl_msg_id = ntohs (VL_API_NAT64_POOL_ADDR_DETAILS + sm->msg_id_base);
2166 clib_memcpy (rmp->address, &(a->addr), 4);
2167 if (a->fib_index != ~0)
2169 fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP6);
2172 rmp->vrf_id = ntohl (fib->ft_table_id);
2176 rmp->context = ctx->context;
2178 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2184 vl_api_nat64_pool_addr_dump_t_handler (vl_api_nat64_pool_addr_dump_t * mp)
2186 vl_api_registration_t *reg;
2188 reg = vl_api_client_index_to_registration (mp->client_index);
2192 nat64_api_walk_ctx_t ctx = {
2194 .context = mp->context,
2197 nat64_pool_addr_walk (nat64_api_pool_walk, &ctx);
2201 vl_api_nat64_pool_addr_dump_t_print (vl_api_nat64_pool_addr_dump_t * mp,
2206 s = format (0, "SCRIPT: nat64_pool_addr_dump\n");
2212 vl_api_nat64_add_del_interface_t_handler (vl_api_nat64_add_del_interface_t *
2215 snat_main_t *sm = &snat_main;
2216 vl_api_nat64_add_del_interface_reply_t *rmp;
2219 VALIDATE_SW_IF_INDEX (mp);
2222 nat64_add_del_interface (ntohl (mp->sw_if_index), mp->is_inside,
2225 BAD_SW_IF_INDEX_LABEL;
2227 REPLY_MACRO (VL_API_NAT64_ADD_DEL_INTERFACE_REPLY);
2231 vl_api_nat64_add_del_interface_t_print (vl_api_nat64_add_del_interface_t * mp,
2236 s = format (0, "SCRIPT: nat64_add_del_interface ");
2237 s = format (s, "sw_if_index %d %s %s",
2238 clib_host_to_net_u32 (mp->sw_if_index),
2239 mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
2245 nat64_api_interface_walk (snat_interface_t * i, void *arg)
2247 vl_api_nat64_interface_details_t *rmp;
2248 snat_main_t *sm = &snat_main;
2249 nat64_api_walk_ctx_t *ctx = arg;
2251 rmp = vl_msg_api_alloc (sizeof (*rmp));
2252 memset (rmp, 0, sizeof (*rmp));
2253 rmp->_vl_msg_id = ntohs (VL_API_NAT64_INTERFACE_DETAILS + sm->msg_id_base);
2254 rmp->sw_if_index = ntohl (i->sw_if_index);
2255 rmp->is_inside = (nat_interface_is_inside (i)
2256 && nat_interface_is_outside (i)) ? 2 :
2257 nat_interface_is_inside (i);
2258 rmp->context = ctx->context;
2260 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2266 vl_api_nat64_interface_dump_t_handler (vl_api_nat64_interface_dump_t * mp)
2268 vl_api_registration_t *reg;
2270 reg = vl_api_client_index_to_registration (mp->client_index);
2274 nat64_api_walk_ctx_t ctx = {
2276 .context = mp->context,
2279 nat64_interfaces_walk (nat64_api_interface_walk, &ctx);
2283 vl_api_nat64_interface_dump_t_print (vl_api_nat64_interface_dump_t * mp,
2288 s = format (0, "SCRIPT: snat_interface_dump ");
2294 vl_api_nat64_add_del_static_bib_t_handler
2295 (vl_api_nat64_add_del_static_bib_t * mp)
2297 snat_main_t *sm = &snat_main;
2298 vl_api_nat64_add_del_static_bib_reply_t *rmp;
2299 ip6_address_t in_addr;
2300 ip4_address_t out_addr;
2303 memcpy (&in_addr.as_u8, mp->i_addr, 16);
2304 memcpy (&out_addr.as_u8, mp->o_addr, 4);
2307 nat64_add_del_static_bib_entry (&in_addr, &out_addr,
2308 clib_net_to_host_u16 (mp->i_port),
2309 clib_net_to_host_u16 (mp->o_port),
2311 clib_net_to_host_u32 (mp->vrf_id),
2314 REPLY_MACRO (VL_API_NAT64_ADD_DEL_STATIC_BIB_REPLY);
2317 static void *vl_api_nat64_add_del_static_bib_t_print
2318 (vl_api_nat64_add_del_static_bib_t * mp, void *handle)
2322 s = format (0, "SCRIPT: nat64_add_del_static_bib ");
2323 s = format (s, "protocol %d i_addr %U o_addr %U ",
2325 format_ip6_address, mp->i_addr, format_ip4_address, mp->o_addr);
2327 if (mp->vrf_id != ~0)
2328 s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
2334 nat64_api_bib_walk (nat64_db_bib_entry_t * bibe, void *arg)
2336 vl_api_nat64_bib_details_t *rmp;
2337 snat_main_t *sm = &snat_main;
2338 nat64_api_walk_ctx_t *ctx = arg;
2341 fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
2345 rmp = vl_msg_api_alloc (sizeof (*rmp));
2346 memset (rmp, 0, sizeof (*rmp));
2347 rmp->_vl_msg_id = ntohs (VL_API_NAT64_BIB_DETAILS + sm->msg_id_base);
2348 rmp->context = ctx->context;
2349 clib_memcpy (rmp->i_addr, &(bibe->in_addr), 16);
2350 clib_memcpy (rmp->o_addr, &(bibe->out_addr), 4);
2351 rmp->i_port = bibe->in_port;
2352 rmp->o_port = bibe->out_port;
2353 rmp->vrf_id = ntohl (fib->ft_table_id);
2354 rmp->proto = bibe->proto;
2355 rmp->is_static = bibe->is_static;
2356 rmp->ses_num = ntohl (bibe->ses_num);
2358 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2364 vl_api_nat64_bib_dump_t_handler (vl_api_nat64_bib_dump_t * mp)
2366 vl_api_registration_t *reg;
2367 nat64_main_t *nm = &nat64_main;
2370 reg = vl_api_client_index_to_registration (mp->client_index);
2374 nat64_api_walk_ctx_t ctx = {
2376 .context = mp->context,
2380 vec_foreach (db, nm->db)
2381 nat64_db_bib_walk (db, mp->proto, nat64_api_bib_walk, &ctx);
2386 vl_api_nat64_bib_dump_t_print (vl_api_nat64_bib_dump_t * mp, void *handle)
2390 s = format (0, "SCRIPT: snat_bib_dump protocol %d", mp->proto);
2396 nat64_api_st_walk (nat64_db_st_entry_t * ste, void *arg)
2398 vl_api_nat64_st_details_t *rmp;
2399 snat_main_t *sm = &snat_main;
2400 nat64_api_walk_ctx_t *ctx = arg;
2401 nat64_db_bib_entry_t *bibe;
2404 bibe = nat64_db_bib_entry_by_index (ctx->db, ste->proto, ste->bibe_index);
2408 fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
2412 rmp = vl_msg_api_alloc (sizeof (*rmp));
2413 memset (rmp, 0, sizeof (*rmp));
2414 rmp->_vl_msg_id = ntohs (VL_API_NAT64_ST_DETAILS + sm->msg_id_base);
2415 rmp->context = ctx->context;
2416 clib_memcpy (rmp->il_addr, &(bibe->in_addr), 16);
2417 clib_memcpy (rmp->ol_addr, &(bibe->out_addr), 4);
2418 rmp->il_port = bibe->in_port;
2419 rmp->ol_port = bibe->out_port;
2420 clib_memcpy (rmp->ir_addr, &(ste->in_r_addr), 16);
2421 clib_memcpy (rmp->or_addr, &(ste->out_r_addr), 4);
2422 rmp->il_port = ste->r_port;
2423 rmp->vrf_id = ntohl (fib->ft_table_id);
2424 rmp->proto = ste->proto;
2426 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2432 vl_api_nat64_st_dump_t_handler (vl_api_nat64_st_dump_t * mp)
2434 vl_api_registration_t *reg;
2435 nat64_main_t *nm = &nat64_main;
2438 reg = vl_api_client_index_to_registration (mp->client_index);
2442 nat64_api_walk_ctx_t ctx = {
2444 .context = mp->context,
2448 vec_foreach (db, nm->db)
2451 nat64_db_st_walk (db, mp->proto, nat64_api_st_walk, &ctx);
2457 vl_api_nat64_st_dump_t_print (vl_api_nat64_st_dump_t * mp, void *handle)
2461 s = format (0, "SCRIPT: snat_st_dump protocol %d", mp->proto);
2467 vl_api_nat64_add_del_prefix_t_handler (vl_api_nat64_add_del_prefix_t * mp)
2469 vl_api_nat64_add_del_prefix_reply_t *rmp;
2470 snat_main_t *sm = &snat_main;
2471 ip6_address_t prefix;
2474 memcpy (&prefix.as_u8, mp->prefix, 16);
2477 nat64_add_del_prefix (&prefix, mp->prefix_len,
2478 clib_net_to_host_u32 (mp->vrf_id), mp->is_add);
2479 REPLY_MACRO (VL_API_NAT64_ADD_DEL_PREFIX_REPLY);
2483 vl_api_nat64_add_del_prefix_t_print (vl_api_nat64_add_del_prefix_t * mp,
2488 s = format (0, "SCRIPT: nat64_add_del_prefix %U/%u vrf_id %u %s\n",
2489 format_ip6_address, mp->prefix, mp->prefix_len,
2490 ntohl (mp->vrf_id), mp->is_add ? "" : "del");
2496 nat64_api_prefix_walk (nat64_prefix_t * p, void *arg)
2498 vl_api_nat64_prefix_details_t *rmp;
2499 snat_main_t *sm = &snat_main;
2500 nat64_api_walk_ctx_t *ctx = arg;
2502 rmp = vl_msg_api_alloc (sizeof (*rmp));
2503 memset (rmp, 0, sizeof (*rmp));
2504 rmp->_vl_msg_id = ntohs (VL_API_NAT64_PREFIX_DETAILS + sm->msg_id_base);
2505 clib_memcpy (rmp->prefix, &(p->prefix), 16);
2506 rmp->prefix_len = p->plen;
2507 rmp->vrf_id = ntohl (p->vrf_id);
2508 rmp->context = ctx->context;
2510 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2516 vl_api_nat64_prefix_dump_t_handler (vl_api_nat64_prefix_dump_t * mp)
2518 vl_api_registration_t *reg;
2520 reg = vl_api_client_index_to_registration (mp->client_index);
2524 nat64_api_walk_ctx_t ctx = {
2526 .context = mp->context,
2529 nat64_prefix_walk (nat64_api_prefix_walk, &ctx);
2533 vl_api_nat64_prefix_dump_t_print (vl_api_nat64_prefix_dump_t * mp,
2538 s = format (0, "SCRIPT: nat64_prefix_dump\n");
2544 vl_api_nat64_add_del_interface_addr_t_handler
2545 (vl_api_nat64_add_del_interface_addr_t * mp)
2547 snat_main_t *sm = &snat_main;
2548 vl_api_nat64_add_del_interface_addr_reply_t *rmp;
2549 u32 sw_if_index = ntohl (mp->sw_if_index);
2552 VALIDATE_SW_IF_INDEX (mp);
2554 rv = nat64_add_interface_address (sw_if_index, mp->is_add);
2556 BAD_SW_IF_INDEX_LABEL;
2558 REPLY_MACRO (VL_API_NAT64_ADD_DEL_INTERFACE_ADDR_REPLY);
2561 static void *vl_api_nat64_add_del_interface_addr_t_print
2562 (vl_api_nat64_add_del_interface_addr_t * mp, void *handle)
2566 s = format (0, "SCRIPT: nat64_add_del_interface_addr ");
2567 s = format (s, "sw_if_index %d %s",
2568 clib_host_to_net_u32 (mp->sw_if_index),
2569 mp->is_add ? "" : "del");
2579 vl_api_dslite_set_aftr_addr_t_handler (vl_api_dslite_set_aftr_addr_t * mp)
2581 vl_api_dslite_set_aftr_addr_reply_t *rmp;
2582 snat_main_t *sm = &snat_main;
2583 dslite_main_t *dm = &dslite_main;
2585 ip6_address_t ip6_addr;
2586 ip4_address_t ip4_addr;
2588 memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16);
2589 memcpy (&ip4_addr.as_u8, mp->ip4_addr, 4);
2591 rv = dslite_set_aftr_ip6_addr (dm, &ip6_addr);
2593 rv = dslite_set_aftr_ip4_addr (dm, &ip4_addr);
2595 REPLY_MACRO (VL_API_DSLITE_SET_AFTR_ADDR_REPLY);
2599 vl_api_dslite_set_aftr_addr_t_print (vl_api_dslite_set_aftr_addr_t * mp,
2604 s = format (0, "SCRIPT: dslite_set_aftr_addr ");
2605 s = format (s, "ip6_addr %U ip4_addr %U\n",
2606 format_ip6_address, mp->ip6_addr,
2607 format_ip4_address, mp->ip4_addr);
2613 vl_api_dslite_get_aftr_addr_t_handler (vl_api_dslite_get_aftr_addr_t * mp)
2615 snat_main_t *sm = &snat_main;
2616 vl_api_dslite_get_aftr_addr_reply_t *rmp;
2617 dslite_main_t *dm = &dslite_main;
2621 REPLY_MACRO2 (VL_API_DSLITE_GET_AFTR_ADDR_REPLY,
2623 memcpy (rmp->ip4_addr, &dm->aftr_ip4_addr.as_u8, 4);
2624 memcpy (rmp->ip6_addr, &dm->aftr_ip6_addr.as_u8, 16);
2630 vl_api_dslite_get_aftr_addr_t_print (vl_api_dslite_get_aftr_addr_t * mp,
2635 s = format (0, "SCRIPT: dslite_get_aftr_addr");
2641 vl_api_dslite_set_b4_addr_t_handler (vl_api_dslite_set_b4_addr_t * mp)
2643 vl_api_dslite_set_b4_addr_reply_t *rmp;
2644 snat_main_t *sm = &snat_main;
2645 dslite_main_t *dm = &dslite_main;
2647 ip6_address_t ip6_addr;
2648 ip4_address_t ip4_addr;
2650 memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16);
2651 memcpy (&ip4_addr.as_u8, mp->ip4_addr, 4);
2653 rv = dslite_set_b4_ip6_addr (dm, &ip6_addr);
2655 rv = dslite_set_b4_ip4_addr (dm, &ip4_addr);
2657 REPLY_MACRO (VL_API_DSLITE_SET_B4_ADDR_REPLY);
2661 vl_api_dslite_set_b4_addr_t_print (vl_api_dslite_set_b4_addr_t * mp,
2666 s = format (0, "SCRIPT: dslite_set_b4_addr ");
2667 s = format (s, "ip6_addr %U ip4_addr %U\n",
2668 format_ip6_address, mp->ip6_addr,
2669 format_ip6_address, mp->ip4_addr);
2675 vl_api_dslite_get_b4_addr_t_handler (vl_api_dslite_get_b4_addr_t * mp)
2677 snat_main_t *sm = &snat_main;
2678 vl_api_dslite_get_b4_addr_reply_t *rmp;
2679 dslite_main_t *dm = &dslite_main;
2683 REPLY_MACRO2 (VL_API_DSLITE_GET_AFTR_ADDR_REPLY,
2685 memcpy (rmp->ip4_addr, &dm->b4_ip4_addr.as_u8, 4);
2686 memcpy (rmp->ip6_addr, &dm->b4_ip6_addr.as_u8, 16);
2692 vl_api_dslite_get_b4_addr_t_print (vl_api_dslite_get_b4_addr_t * mp,
2697 s = format (0, "SCRIPT: dslite_get_b4_addr");
2703 vl_api_dslite_add_del_pool_addr_range_t_handler
2704 (vl_api_dslite_add_del_pool_addr_range_t * mp)
2706 vl_api_dslite_add_del_pool_addr_range_reply_t *rmp;
2707 snat_main_t *sm = &snat_main;
2708 dslite_main_t *dm = &dslite_main;
2710 ip4_address_t this_addr;
2711 u32 start_host_order, end_host_order;
2715 tmp = (u32 *) mp->start_addr;
2716 start_host_order = clib_host_to_net_u32 (tmp[0]);
2717 tmp = (u32 *) mp->end_addr;
2718 end_host_order = clib_host_to_net_u32 (tmp[0]);
2720 count = (end_host_order - start_host_order) + 1;
2721 memcpy (&this_addr.as_u8, mp->start_addr, 4);
2723 for (i = 0; i < count; i++)
2725 if ((rv = dslite_add_del_pool_addr (dm, &this_addr, mp->is_add)))
2728 increment_v4_address (&this_addr);
2732 REPLY_MACRO (VL_API_DSLITE_ADD_DEL_POOL_ADDR_RANGE_REPLY);
2736 send_dslite_address_details (snat_address_t * ap,
2737 vl_api_registration_t * reg, u32 context)
2739 vl_api_dslite_address_details_t *rmp;
2740 snat_main_t *sm = &snat_main;
2742 rmp = vl_msg_api_alloc (sizeof (*rmp));
2744 memset (rmp, 0, sizeof (*rmp));
2746 rmp->_vl_msg_id = ntohs (VL_API_DSLITE_ADDRESS_DETAILS + sm->msg_id_base);
2747 clib_memcpy (rmp->ip_address, &(ap->addr), 4);
2748 rmp->context = context;
2750 vl_api_send_msg (reg, (u8 *) rmp);
2754 vl_api_dslite_address_dump_t_handler (vl_api_dslite_address_dump_t * mp)
2756 vl_api_registration_t *reg;
2757 dslite_main_t *dm = &dslite_main;
2760 reg = vl_api_client_index_to_registration (mp->client_index);
2765 vec_foreach (ap, dm->addr_pool)
2767 send_dslite_address_details (ap, reg, mp->context);
2773 vl_api_dslite_address_dump_t_print (vl_api_dslite_address_dump_t * mp,
2778 s = format (0, "SCRIPT: dslite_address_dump ");
2783 static void *vl_api_dslite_add_del_pool_addr_range_t_print
2784 (vl_api_dslite_add_del_pool_addr_range_t * mp, void *handle)
2788 s = format (0, "SCRIPT: dslite_add_del_pool_addr_range ");
2789 s = format (s, "%U - %U\n",
2790 format_ip4_address, mp->start_addr,
2791 format_ip4_address, mp->end_addr);
2802 vl_api_nat66_add_del_interface_t_handler (vl_api_nat66_add_del_interface_t *
2805 snat_main_t *sm = &snat_main;
2806 vl_api_nat66_add_del_interface_reply_t *rmp;
2809 VALIDATE_SW_IF_INDEX (mp);
2812 nat66_interface_add_del (ntohl (mp->sw_if_index), mp->is_inside,
2815 BAD_SW_IF_INDEX_LABEL;
2817 REPLY_MACRO (VL_API_NAT66_ADD_DEL_INTERFACE_REPLY);
2821 vl_api_nat66_add_del_interface_t_print (vl_api_nat66_add_del_interface_t * mp,
2826 s = format (0, "SCRIPT: nat66_add_del_interface ");
2827 s = format (s, "sw_if_index %d %s %s",
2828 clib_host_to_net_u32 (mp->sw_if_index),
2829 mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
2835 vl_api_nat66_add_del_static_mapping_t_handler
2836 (vl_api_nat66_add_del_static_mapping_t * mp)
2838 snat_main_t *sm = &snat_main;
2839 vl_api_nat66_add_del_static_mapping_reply_t *rmp;
2840 ip6_address_t l_addr, e_addr;
2843 memcpy (&l_addr.as_u8, mp->local_ip_address, 16);
2844 memcpy (&e_addr.as_u8, mp->external_ip_address, 16);
2847 nat66_static_mapping_add_del (&l_addr, &e_addr,
2848 clib_net_to_host_u32 (mp->vrf_id),
2851 REPLY_MACRO (VL_API_NAT66_ADD_DEL_STATIC_MAPPING_REPLY);
2854 static void *vl_api_nat66_add_del_static_mapping_t_print
2855 (vl_api_nat66_add_del_static_mapping_t * mp, void *handle)
2859 s = format (0, "SCRIPT: nat66_add_del_static_mapping ");
2860 s = format (s, "local_ip_address %U external_ip_address %U vrf_id %d %s",
2861 format_ip6_address, mp->local_ip_address,
2862 format_ip6_address, mp->external_ip_address,
2863 clib_net_to_host_u32 (mp->vrf_id), mp->is_add ? "" : "del");
2868 typedef struct nat66_api_walk_ctx_t_
2872 } nat66_api_walk_ctx_t;
2875 nat66_api_interface_walk (snat_interface_t * i, void *arg)
2877 vl_api_nat66_interface_details_t *rmp;
2878 snat_main_t *sm = &snat_main;
2879 nat66_api_walk_ctx_t *ctx = arg;
2881 rmp = vl_msg_api_alloc (sizeof (*rmp));
2882 memset (rmp, 0, sizeof (*rmp));
2883 rmp->_vl_msg_id = ntohs (VL_API_NAT66_INTERFACE_DETAILS + sm->msg_id_base);
2884 rmp->sw_if_index = ntohl (i->sw_if_index);
2885 rmp->is_inside = nat_interface_is_inside (i);
2886 rmp->context = ctx->context;
2888 vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp);
2894 vl_api_nat66_interface_dump_t_handler (vl_api_nat66_interface_dump_t * mp)
2898 q = vl_api_client_index_to_input_queue (mp->client_index);
2902 nat66_api_walk_ctx_t ctx = {
2904 .context = mp->context,
2907 nat66_interfaces_walk (nat66_api_interface_walk, &ctx);
2911 vl_api_nat66_interface_dump_t_print (vl_api_nat66_interface_dump_t * mp,
2916 s = format (0, "SCRIPT: nat66_interface_dump ");
2922 nat66_api_static_mapping_walk (nat66_static_mapping_t * m, void *arg)
2924 vl_api_nat66_static_mapping_details_t *rmp;
2925 nat66_main_t *nm = &nat66_main;
2926 snat_main_t *sm = &snat_main;
2927 nat66_api_walk_ctx_t *ctx = arg;
2931 fib = fib_table_get (m->fib_index, FIB_PROTOCOL_IP6);
2935 vlib_get_combined_counter (&nm->session_counters, m - nm->sm, &vc);
2937 rmp = vl_msg_api_alloc (sizeof (*rmp));
2938 memset (rmp, 0, sizeof (*rmp));
2940 ntohs (VL_API_NAT66_STATIC_MAPPING_DETAILS + sm->msg_id_base);
2941 clib_memcpy (rmp->local_ip_address, &m->l_addr, 16);
2942 clib_memcpy (rmp->external_ip_address, &m->e_addr, 16);
2943 rmp->vrf_id = ntohl (fib->ft_table_id);
2944 rmp->total_bytes = clib_host_to_net_u64 (vc.bytes);
2945 rmp->total_pkts = clib_host_to_net_u64 (vc.packets);
2946 rmp->context = ctx->context;
2948 vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp);
2954 vl_api_nat66_static_mapping_dump_t_handler (vl_api_nat66_static_mapping_dump_t
2959 q = vl_api_client_index_to_input_queue (mp->client_index);
2963 nat66_api_walk_ctx_t ctx = {
2965 .context = mp->context,
2968 nat66_static_mappings_walk (nat66_api_static_mapping_walk, &ctx);
2972 vl_api_nat66_static_mapping_dump_t_print (vl_api_nat66_static_mapping_dump_t *
2977 s = format (0, "SCRIPT: nat66_static_mapping_dump ");
2983 /* List of message types that this plugin understands */
2984 #define foreach_snat_plugin_api_msg \
2985 _(NAT_CONTROL_PING, nat_control_ping) \
2986 _(NAT_SHOW_CONFIG, nat_show_config) \
2987 _(NAT_SET_WORKERS, nat_set_workers) \
2988 _(NAT_WORKER_DUMP, nat_worker_dump) \
2989 _(NAT_IPFIX_ENABLE_DISABLE, nat_ipfix_enable_disable) \
2990 _(NAT_SET_REASS, nat_set_reass) \
2991 _(NAT_GET_REASS, nat_get_reass) \
2992 _(NAT_REASS_DUMP, nat_reass_dump) \
2993 _(NAT_SET_TIMEOUTS, nat_set_timeouts) \
2994 _(NAT_GET_TIMEOUTS, nat_get_timeouts) \
2995 _(NAT44_ADD_DEL_ADDRESS_RANGE, nat44_add_del_address_range) \
2996 _(NAT44_INTERFACE_ADD_DEL_FEATURE, nat44_interface_add_del_feature) \
2997 _(NAT44_ADD_DEL_STATIC_MAPPING, nat44_add_del_static_mapping) \
2998 _(NAT44_ADD_DEL_IDENTITY_MAPPING, nat44_add_del_identity_mapping) \
2999 _(NAT44_STATIC_MAPPING_DUMP, nat44_static_mapping_dump) \
3000 _(NAT44_IDENTITY_MAPPING_DUMP, nat44_identity_mapping_dump) \
3001 _(NAT44_ADDRESS_DUMP, nat44_address_dump) \
3002 _(NAT44_INTERFACE_DUMP, nat44_interface_dump) \
3003 _(NAT44_ADD_DEL_INTERFACE_ADDR, nat44_add_del_interface_addr) \
3004 _(NAT44_INTERFACE_ADDR_DUMP, nat44_interface_addr_dump) \
3005 _(NAT44_USER_DUMP, nat44_user_dump) \
3006 _(NAT44_USER_SESSION_DUMP, nat44_user_session_dump) \
3007 _(NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE, \
3008 nat44_interface_add_del_output_feature) \
3009 _(NAT44_INTERFACE_OUTPUT_FEATURE_DUMP, \
3010 nat44_interface_output_feature_dump) \
3011 _(NAT44_ADD_DEL_LB_STATIC_MAPPING, nat44_add_del_lb_static_mapping) \
3012 _(NAT44_LB_STATIC_MAPPING_DUMP, nat44_lb_static_mapping_dump) \
3013 _(NAT44_DEL_SESSION, nat44_del_session) \
3014 _(NAT44_FORWARDING_ENABLE_DISABLE, nat44_forwarding_enable_disable) \
3015 _(NAT44_FORWARDING_IS_ENABLED, nat44_forwarding_is_enabled) \
3016 _(NAT_DET_ADD_DEL_MAP, nat_det_add_del_map) \
3017 _(NAT_DET_FORWARD, nat_det_forward) \
3018 _(NAT_DET_REVERSE, nat_det_reverse) \
3019 _(NAT_DET_MAP_DUMP, nat_det_map_dump) \
3020 _(NAT_DET_CLOSE_SESSION_OUT, nat_det_close_session_out) \
3021 _(NAT_DET_CLOSE_SESSION_IN, nat_det_close_session_in) \
3022 _(NAT_DET_SESSION_DUMP, nat_det_session_dump) \
3023 _(NAT64_ADD_DEL_POOL_ADDR_RANGE, nat64_add_del_pool_addr_range) \
3024 _(NAT64_POOL_ADDR_DUMP, nat64_pool_addr_dump) \
3025 _(NAT64_ADD_DEL_INTERFACE, nat64_add_del_interface) \
3026 _(NAT64_INTERFACE_DUMP, nat64_interface_dump) \
3027 _(NAT64_ADD_DEL_STATIC_BIB, nat64_add_del_static_bib) \
3028 _(NAT64_BIB_DUMP, nat64_bib_dump) \
3029 _(NAT64_ST_DUMP, nat64_st_dump) \
3030 _(NAT64_ADD_DEL_PREFIX, nat64_add_del_prefix) \
3031 _(NAT64_PREFIX_DUMP, nat64_prefix_dump) \
3032 _(NAT64_ADD_DEL_INTERFACE_ADDR, nat64_add_del_interface_addr) \
3033 _(DSLITE_ADD_DEL_POOL_ADDR_RANGE, dslite_add_del_pool_addr_range) \
3034 _(DSLITE_ADDRESS_DUMP, dslite_address_dump) \
3035 _(DSLITE_SET_AFTR_ADDR, dslite_set_aftr_addr) \
3036 _(DSLITE_GET_AFTR_ADDR, dslite_get_aftr_addr) \
3037 _(DSLITE_SET_B4_ADDR, dslite_set_b4_addr) \
3038 _(DSLITE_GET_B4_ADDR, dslite_get_b4_addr) \
3039 _(NAT66_ADD_DEL_INTERFACE, nat66_add_del_interface) \
3040 _(NAT66_INTERFACE_DUMP, nat66_interface_dump) \
3041 _(NAT66_ADD_DEL_STATIC_MAPPING, nat66_add_del_static_mapping) \
3042 _(NAT66_STATIC_MAPPING_DUMP, nat66_static_mapping_dump)
3044 /* Set up the API message handling tables */
3045 static clib_error_t *
3046 snat_plugin_api_hookup (vlib_main_t * vm)
3048 snat_main_t *sm __attribute__ ((unused)) = &snat_main;
3050 vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
3052 vl_api_##n##_t_handler, \
3054 vl_api_##n##_t_endian, \
3055 vl_api_##n##_t_print, \
3056 sizeof(vl_api_##n##_t), 1);
3057 foreach_snat_plugin_api_msg;
3063 #define vl_msg_name_crc_list
3064 #include <nat/nat_all_api_h.h>
3065 #undef vl_msg_name_crc_list
3068 setup_message_id_table (snat_main_t * sm, api_main_t * am)
3070 #define _(id,n,crc) \
3071 vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
3072 foreach_vl_msg_name_crc_nat;
3077 plugin_custom_dump_configure (snat_main_t * sm)
3079 #define _(n,f) sm->api_main->msg_print_handlers \
3080 [VL_API_##n + sm->msg_id_base] \
3081 = (void *) vl_api_##f##_t_print;
3082 foreach_snat_plugin_api_msg;
3087 snat_api_init (vlib_main_t * vm, snat_main_t * sm)
3090 clib_error_t *error = 0;
3092 name = format (0, "nat_%08x%c", api_version, 0);
3094 /* Ask for a correctly-sized block of API message decode slots */
3096 vl_msg_api_get_msg_ids ((char *) name, VL_MSG_FIRST_AVAILABLE);
3098 error = snat_plugin_api_hookup (vm);
3100 /* Add our API messages to the global name_crc hash table */
3101 setup_message_id_table (sm, sm->api_main);
3103 plugin_custom_dump_configure (sm);
3111 * fd.io coding-style-patch-verification: ON
3114 * eval: (c-set-style "gnu")