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;
103 REPLY_MACRO2 (VL_API_NAT_SHOW_CONFIG_REPLY,
105 rmp->translation_buckets = htonl (sm->translation_buckets);
106 rmp->translation_memory_size = htonl (sm->translation_memory_size);
107 rmp->user_buckets = htonl (sm->user_buckets);
108 rmp->user_memory_size = htonl (sm->user_memory_size);
109 rmp->max_translations_per_user = htonl (sm->max_translations_per_user);
110 rmp->outside_vrf_id = htonl (sm->outside_vrf_id);
111 rmp->inside_vrf_id = htonl (sm->inside_vrf_id);
112 rmp->static_mapping_only = sm->static_mapping_only;
113 rmp->static_mapping_connection_tracking =
114 sm->static_mapping_connection_tracking;
115 rmp->deterministic = sm->deterministic;
121 vl_api_nat_show_config_t_print (vl_api_nat_show_config_t * mp, void *handle)
125 s = format (0, "SCRIPT: nat_show_config ");
131 vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp)
133 snat_main_t *sm = &snat_main;
134 vl_api_nat_set_workers_reply_t *rmp;
139 if (sm->deterministic)
141 rv = VNET_API_ERROR_UNSUPPORTED;
145 mask = clib_net_to_host_u64 (mp->worker_mask);
147 if (sm->num_workers < 2)
149 rv = VNET_API_ERROR_FEATURE_DISABLED;
153 bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
154 rv = snat_set_workers (bitmap);
155 clib_bitmap_free (bitmap);
158 REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY);
162 vl_api_nat_set_workers_t_print (vl_api_nat_set_workers_t * mp, void *handle)
168 u64 mask = clib_net_to_host_u64 (mp->worker_mask);
170 s = format (0, "SCRIPT: nat_set_workers ");
171 bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
173 clib_bitmap_foreach (i, bitmap,
176 s = format (s, "%d", i);
178 s = format (s, ",%d", i);
182 clib_bitmap_free (bitmap);
187 send_nat_worker_details (u32 worker_index, vl_api_registration_t * reg,
190 vl_api_nat_worker_details_t *rmp;
191 snat_main_t *sm = &snat_main;
192 vlib_worker_thread_t *w =
193 vlib_worker_threads + worker_index + sm->first_worker_index;
195 rmp = vl_msg_api_alloc (sizeof (*rmp));
196 memset (rmp, 0, sizeof (*rmp));
197 rmp->_vl_msg_id = ntohs (VL_API_NAT_WORKER_DETAILS + sm->msg_id_base);
198 rmp->context = context;
199 rmp->worker_index = htonl (worker_index);
200 rmp->lcore_id = htonl (w->lcore_id);
201 strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1);
203 vl_api_send_msg (reg, (u8 *) rmp);
207 vl_api_nat_worker_dump_t_handler (vl_api_nat_worker_dump_t * mp)
209 vl_api_registration_t *reg;
210 snat_main_t *sm = &snat_main;
213 if (sm->deterministic)
216 reg = vl_api_client_index_to_registration (mp->client_index);
221 vec_foreach (worker_index, sm->workers)
222 send_nat_worker_details(*worker_index, reg, mp->context);
227 vl_api_nat_worker_dump_t_print (vl_api_nat_worker_dump_t * mp, void *handle)
231 s = format (0, "SCRIPT: nat_worker_dump ");
237 vl_api_nat_ipfix_enable_disable_t_handler (vl_api_nat_ipfix_enable_disable_t *
240 snat_main_t *sm = &snat_main;
241 vl_api_nat_ipfix_enable_disable_reply_t *rmp;
244 rv = snat_ipfix_logging_enable_disable (mp->enable,
250 REPLY_MACRO (VL_API_NAT_IPFIX_ENABLE_DISABLE_REPLY);
254 vl_api_nat_ipfix_enable_disable_t_print (vl_api_nat_ipfix_enable_disable_t *
259 s = format (0, "SCRIPT: nat_ipfix_enable_disable ");
261 s = format (s, "domain %d ", clib_net_to_host_u32 (mp->domain_id));
263 s = format (s, "src_port %d ", clib_net_to_host_u16 (mp->src_port));
265 s = format (s, "disable ");
271 vl_api_nat_set_reass_t_handler (vl_api_nat_set_reass_t * mp)
273 snat_main_t *sm = &snat_main;
274 vl_api_nat_set_reass_reply_t *rmp;
278 nat_reass_set (ntohl (mp->timeout), ntohs (mp->max_reass), mp->max_frag,
279 mp->drop_frag, mp->is_ip6);
281 REPLY_MACRO (VL_API_NAT_SET_REASS_REPLY);
285 vl_api_nat_set_reass_t_print (vl_api_nat_set_reass_t * mp, void *handle)
289 s = format (0, "SCRIPT: nat_set_reass ");
290 s = format (s, "timeout %d max_reass %d max_frag %d drop_frag %d is_ip6 %d",
291 clib_host_to_net_u32 (mp->timeout),
292 clib_host_to_net_u16 (mp->max_reass),
293 mp->max_frag, mp->drop_frag, mp->is_ip6);
299 vl_api_nat_get_reass_t_handler (vl_api_nat_get_reass_t * mp)
301 snat_main_t *sm = &snat_main;
302 vl_api_nat_get_reass_reply_t *rmp;
306 REPLY_MACRO2 (VL_API_NAT_GET_REASS_REPLY,
308 rmp->ip4_timeout = htonl (nat_reass_get_timeout(0));
309 rmp->ip4_max_reass = htons (nat_reass_get_max_reass(0));
310 rmp->ip4_max_frag = nat_reass_get_max_frag(0);
311 rmp->ip4_drop_frag = nat_reass_is_drop_frag(0);
312 rmp->ip6_timeout = htonl (nat_reass_get_timeout(1));
313 rmp->ip6_max_reass = htons (nat_reass_get_max_reass(1));
314 rmp->ip6_max_frag = nat_reass_get_max_frag(1);
315 rmp->ip6_drop_frag = nat_reass_is_drop_frag(1);
321 vl_api_nat_get_reass_t_print (vl_api_nat_get_reass_t * mp, void *handle)
325 s = format (0, "SCRIPT: nat_get_reass");
330 typedef struct nat_api_walk_ctx_t_
332 vl_api_registration_t *reg;
334 } nat_api_walk_ctx_t;
337 nat_ip4_reass_walk_api (nat_reass_ip4_t * reass, void *arg)
339 vl_api_nat_reass_details_t *rmp;
340 snat_main_t *sm = &snat_main;
341 nat_api_walk_ctx_t *ctx = arg;
343 rmp = vl_msg_api_alloc (sizeof (*rmp));
344 memset (rmp, 0, sizeof (*rmp));
345 rmp->_vl_msg_id = ntohs (VL_API_NAT_REASS_DETAILS + sm->msg_id_base);
346 rmp->context = ctx->context;
347 clib_memcpy (rmp->src_addr, &(reass->key.src), 4);
348 clib_memcpy (rmp->dst_addr, &(reass->key.dst), 4);
349 rmp->proto = reass->key.proto;
350 rmp->frag_id = ntohl (reass->key.frag_id);
351 rmp->frag_n = reass->frag_n;
354 vl_api_send_msg (ctx->reg, (u8 *) rmp);
360 nat_ip6_reass_walk_api (nat_reass_ip6_t * reass, void *arg)
362 vl_api_nat_reass_details_t *rmp;
363 snat_main_t *sm = &snat_main;
364 nat_api_walk_ctx_t *ctx = arg;
366 rmp = vl_msg_api_alloc (sizeof (*rmp));
367 memset (rmp, 0, sizeof (*rmp));
368 rmp->_vl_msg_id = ntohs (VL_API_NAT_REASS_DETAILS + sm->msg_id_base);
369 rmp->context = ctx->context;
370 clib_memcpy (rmp->src_addr, &(reass->key.src), 16);
371 clib_memcpy (rmp->dst_addr, &(reass->key.dst), 16);
372 rmp->proto = reass->key.proto;
373 rmp->frag_id = ntohl (reass->key.frag_id);
374 rmp->frag_n = reass->frag_n;
377 vl_api_send_msg (ctx->reg, (u8 *) rmp);
383 vl_api_nat_reass_dump_t_handler (vl_api_nat_reass_dump_t * mp)
385 vl_api_registration_t *reg;
387 reg = vl_api_client_index_to_registration (mp->client_index);
391 nat_api_walk_ctx_t ctx = {
393 .context = mp->context,
396 nat_ip4_reass_walk (nat_ip4_reass_walk_api, &ctx);
397 nat_ip6_reass_walk (nat_ip6_reass_walk_api, &ctx);
401 vl_api_nat_reass_dump_t_print (vl_api_nat_reass_dump_t * mp, void *handle)
405 s = format (0, "SCRIPT: nat_reass_dump");
414 vl_api_nat44_add_del_address_range_t_handler
415 (vl_api_nat44_add_del_address_range_t * mp)
417 snat_main_t *sm = &snat_main;
418 vl_api_nat44_add_del_address_range_reply_t *rmp;
419 ip4_address_t this_addr;
420 u32 start_host_order, end_host_order;
426 if (sm->deterministic)
428 rv = VNET_API_ERROR_UNSUPPORTED;
432 if (sm->static_mapping_only)
434 rv = VNET_API_ERROR_FEATURE_DISABLED;
438 tmp = (u32 *) mp->first_ip_address;
439 start_host_order = clib_host_to_net_u32 (tmp[0]);
440 tmp = (u32 *) mp->last_ip_address;
441 end_host_order = clib_host_to_net_u32 (tmp[0]);
443 count = (end_host_order - start_host_order) + 1;
445 vrf_id = clib_host_to_net_u32 (mp->vrf_id);
448 nat_log_info ("%U - %U, %d addresses...",
449 format_ip4_address, mp->first_ip_address,
450 format_ip4_address, mp->last_ip_address, count);
452 memcpy (&this_addr.as_u8, mp->first_ip_address, 4);
454 for (i = 0; i < count; i++)
457 rv = snat_add_address (sm, &this_addr, vrf_id, mp->twice_nat);
459 rv = snat_del_address (sm, this_addr, 0, mp->twice_nat);
465 nat44_add_del_address_dpo (this_addr, mp->is_add);
467 increment_v4_address (&this_addr);
471 REPLY_MACRO (VL_API_NAT44_ADD_DEL_ADDRESS_RANGE_REPLY);
474 static void *vl_api_nat44_add_del_address_range_t_print
475 (vl_api_nat44_add_del_address_range_t * mp, void *handle)
479 s = format (0, "SCRIPT: nat44_add_address_range ");
480 s = format (s, "%U ", format_ip4_address, mp->first_ip_address);
481 if (memcmp (mp->first_ip_address, mp->last_ip_address, 4))
483 s = format (s, " - %U ", format_ip4_address, mp->last_ip_address);
485 s = format (s, "twice_nat %d ", mp->twice_nat);
490 send_nat44_address_details (snat_address_t * a,
491 vl_api_registration_t * reg, u32 context,
494 vl_api_nat44_address_details_t *rmp;
495 snat_main_t *sm = &snat_main;
497 rmp = vl_msg_api_alloc (sizeof (*rmp));
498 memset (rmp, 0, sizeof (*rmp));
499 rmp->_vl_msg_id = ntohs (VL_API_NAT44_ADDRESS_DETAILS + sm->msg_id_base);
500 clib_memcpy (rmp->ip_address, &(a->addr), 4);
501 if (a->fib_index != ~0)
503 fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4);
504 rmp->vrf_id = ntohl (fib->ft_table_id);
508 rmp->twice_nat = twice_nat;
509 rmp->context = context;
511 vl_api_send_msg (reg, (u8 *) rmp);
515 vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp)
517 vl_api_registration_t *reg;
518 snat_main_t *sm = &snat_main;
521 if (sm->deterministic)
524 reg = vl_api_client_index_to_registration (mp->client_index);
529 vec_foreach (a, sm->addresses)
530 send_nat44_address_details (a, reg, mp->context, 0);
531 vec_foreach (a, sm->twice_nat_addresses)
532 send_nat44_address_details (a, reg, mp->context, 1);
537 vl_api_nat44_address_dump_t_print (vl_api_nat44_address_dump_t * mp,
542 s = format (0, "SCRIPT: nat44_address_dump ");
548 vl_api_nat44_interface_add_del_feature_t_handler
549 (vl_api_nat44_interface_add_del_feature_t * mp)
551 snat_main_t *sm = &snat_main;
552 vl_api_nat44_interface_add_del_feature_reply_t *rmp;
553 u8 is_del = mp->is_add == 0;
554 u32 sw_if_index = ntohl (mp->sw_if_index);
557 VALIDATE_SW_IF_INDEX (mp);
559 rv = snat_interface_add_del (sw_if_index, mp->is_inside, is_del);
561 BAD_SW_IF_INDEX_LABEL;
563 REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_FEATURE_REPLY);
566 static void *vl_api_nat44_interface_add_del_feature_t_print
567 (vl_api_nat44_interface_add_del_feature_t * mp, void *handle)
571 s = format (0, "SCRIPT: nat44_interface_add_del_feature ");
572 s = format (s, "sw_if_index %d %s %s",
573 clib_host_to_net_u32 (mp->sw_if_index),
574 mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
580 send_nat44_interface_details (snat_interface_t * i,
581 vl_api_registration_t * reg, u32 context)
583 vl_api_nat44_interface_details_t *rmp;
584 snat_main_t *sm = &snat_main;
586 rmp = vl_msg_api_alloc (sizeof (*rmp));
587 memset (rmp, 0, sizeof (*rmp));
588 rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base);
589 rmp->sw_if_index = ntohl (i->sw_if_index);
590 rmp->is_inside = (nat_interface_is_inside (i)
591 && nat_interface_is_outside (i)) ? 2 :
592 nat_interface_is_inside (i);
593 rmp->context = context;
595 vl_api_send_msg (reg, (u8 *) rmp);
599 vl_api_nat44_interface_dump_t_handler (vl_api_nat44_interface_dump_t * mp)
601 vl_api_registration_t *reg;
602 snat_main_t *sm = &snat_main;
605 reg = vl_api_client_index_to_registration (mp->client_index);
610 pool_foreach (i, sm->interfaces,
612 send_nat44_interface_details(i, reg, mp->context);
618 vl_api_nat44_interface_dump_t_print (vl_api_nat44_interface_dump_t * mp,
623 s = format (0, "SCRIPT: nat44_interface_dump ");
629 vl_api_nat44_interface_add_del_output_feature_t_handler
630 (vl_api_nat44_interface_add_del_output_feature_t * mp)
632 snat_main_t *sm = &snat_main;
633 vl_api_nat44_interface_add_del_output_feature_reply_t *rmp;
634 u8 is_del = mp->is_add == 0;
635 u32 sw_if_index = ntohl (mp->sw_if_index);
638 if (sm->deterministic)
640 rv = VNET_API_ERROR_UNSUPPORTED;
644 VALIDATE_SW_IF_INDEX (mp);
646 rv = snat_interface_add_del_output_feature (sw_if_index, mp->is_inside,
649 BAD_SW_IF_INDEX_LABEL;
651 REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY);
654 static void *vl_api_nat44_interface_add_del_output_feature_t_print
655 (vl_api_nat44_interface_add_del_output_feature_t * mp, void *handle)
659 s = format (0, "SCRIPT: nat44_interface_add_del_output_feature ");
660 s = format (s, "sw_if_index %d %s %s",
661 clib_host_to_net_u32 (mp->sw_if_index),
662 mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
668 send_nat44_interface_output_feature_details (snat_interface_t * i,
669 vl_api_registration_t * reg,
672 vl_api_nat44_interface_output_feature_details_t *rmp;
673 snat_main_t *sm = &snat_main;
675 rmp = vl_msg_api_alloc (sizeof (*rmp));
676 memset (rmp, 0, sizeof (*rmp));
678 ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base);
679 rmp->sw_if_index = ntohl (i->sw_if_index);
680 rmp->context = context;
681 rmp->is_inside = nat_interface_is_inside (i);
683 vl_api_send_msg (reg, (u8 *) rmp);
687 vl_api_nat44_interface_output_feature_dump_t_handler
688 (vl_api_nat44_interface_output_feature_dump_t * mp)
690 vl_api_registration_t *reg;
691 snat_main_t *sm = &snat_main;
694 if (sm->deterministic)
697 reg = vl_api_client_index_to_registration (mp->client_index);
702 pool_foreach (i, sm->output_feature_interfaces,
704 send_nat44_interface_output_feature_details(i, reg, mp->context);
709 static void *vl_api_nat44_interface_output_feature_dump_t_print
710 (vl_api_nat44_interface_output_feature_dump_t * mp, void *handle)
714 s = format (0, "SCRIPT: nat44_interface_output_feature_dump ");
720 vl_api_nat44_add_del_static_mapping_t_handler
721 (vl_api_nat44_add_del_static_mapping_t * mp)
723 snat_main_t *sm = &snat_main;
724 vl_api_nat44_add_del_static_mapping_reply_t *rmp;
725 ip4_address_t local_addr, external_addr;
726 u16 local_port = 0, external_port = 0;
727 u32 vrf_id, external_sw_if_index;
728 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
730 snat_protocol_t proto;
733 if (sm->deterministic)
735 rv = VNET_API_ERROR_UNSUPPORTED;
739 memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
740 memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
741 if (mp->addr_only == 0)
743 local_port = clib_net_to_host_u16 (mp->local_port);
744 external_port = clib_net_to_host_u16 (mp->external_port);
746 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
747 external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
748 proto = ip_proto_to_snat_proto (mp->protocol);
750 twice_nat = TWICE_NAT;
751 else if (mp->self_twice_nat)
752 twice_nat = TWICE_NAT_SELF;
753 mp->tag[sizeof (mp->tag) - 1] = 0;
754 tag = format (0, "%s", mp->tag);
755 vec_terminate_c_string (tag);
757 rv = snat_add_static_mapping (local_addr, external_addr, local_port,
758 external_port, vrf_id, mp->addr_only,
759 external_sw_if_index, proto, mp->is_add,
760 twice_nat, mp->out2in_only, tag);
765 REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY);
768 static void *vl_api_nat44_add_del_static_mapping_t_print
769 (vl_api_nat44_add_del_static_mapping_t * mp, void *handle)
773 s = format (0, "SCRIPT: nat44_add_del_static_mapping ");
774 s = format (s, "protocol %d local_addr %U external_addr %U ",
776 format_ip4_address, mp->local_ip_address,
777 format_ip4_address, mp->external_ip_address);
779 if (mp->addr_only == 0)
780 s = format (s, "local_port %d external_port %d ",
781 clib_net_to_host_u16 (mp->local_port),
782 clib_net_to_host_u16 (mp->external_port));
784 s = format (s, "twice_nat %d out2in_only %d ",
785 mp->twice_nat, mp->out2in_only);
787 if (mp->vrf_id != ~0)
788 s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
790 if (mp->external_sw_if_index != ~0)
791 s = format (s, "external_sw_if_index %d",
792 clib_net_to_host_u32 (mp->external_sw_if_index));
797 send_nat44_static_mapping_details (snat_static_mapping_t * m,
798 vl_api_registration_t * reg, u32 context)
800 vl_api_nat44_static_mapping_details_t *rmp;
801 snat_main_t *sm = &snat_main;
803 rmp = vl_msg_api_alloc (sizeof (*rmp));
804 memset (rmp, 0, sizeof (*rmp));
806 ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
807 rmp->addr_only = m->addr_only;
808 clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
809 clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
810 rmp->external_sw_if_index = ~0;
811 rmp->vrf_id = htonl (m->vrf_id);
812 rmp->context = context;
813 if (m->twice_nat == TWICE_NAT)
815 else if (m->twice_nat == TWICE_NAT_SELF)
816 rmp->self_twice_nat = 1;
817 rmp->out2in_only = m->out2in_only;
818 if (m->addr_only == 0)
820 rmp->protocol = snat_proto_to_ip_proto (m->proto);
821 rmp->external_port = htons (m->external_port);
822 rmp->local_port = htons (m->local_port);
825 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
827 vl_api_send_msg (reg, (u8 *) rmp);
831 send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m,
832 vl_api_registration_t * reg,
835 vl_api_nat44_static_mapping_details_t *rmp;
836 snat_main_t *sm = &snat_main;
838 rmp = vl_msg_api_alloc (sizeof (*rmp));
839 memset (rmp, 0, sizeof (*rmp));
841 ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
842 rmp->addr_only = m->addr_only;
843 clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4);
844 rmp->external_sw_if_index = htonl (m->sw_if_index);
845 rmp->vrf_id = htonl (m->vrf_id);
846 rmp->context = context;
847 rmp->twice_nat = m->twice_nat;
848 if (m->addr_only == 0)
850 rmp->protocol = snat_proto_to_ip_proto (m->proto);
851 rmp->external_port = htons (m->e_port);
852 rmp->local_port = htons (m->l_port);
855 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
857 vl_api_send_msg (reg, (u8 *) rmp);
861 vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t
864 vl_api_registration_t *reg;
865 snat_main_t *sm = &snat_main;
866 snat_static_mapping_t *m;
867 snat_static_map_resolve_t *rp;
870 if (sm->deterministic)
873 reg = vl_api_client_index_to_registration (mp->client_index);
878 pool_foreach (m, sm->static_mappings,
880 if (!vec_len (m->locals) &&
881 ((m->local_port != m->external_port)
882 || (m->local_addr.as_u32 != m->external_addr.as_u32)))
883 send_nat44_static_mapping_details (m, reg, mp->context);
887 for (j = 0; j < vec_len (sm->to_resolve); j++)
889 rp = sm->to_resolve + j;
890 if (rp->l_addr.as_u32 != 0)
891 send_nat44_static_map_resolve_details (rp, reg, mp->context);
896 vl_api_nat44_static_mapping_dump_t_print (vl_api_nat44_static_mapping_dump_t *
901 s = format (0, "SCRIPT: nat44_static_mapping_dump ");
907 vl_api_nat44_add_del_identity_mapping_t_handler
908 (vl_api_nat44_add_del_identity_mapping_t * mp)
910 snat_main_t *sm = &snat_main;
911 vl_api_nat44_add_del_identity_mapping_reply_t *rmp;
914 u32 vrf_id, sw_if_index;
916 snat_protocol_t proto = ~0;
919 if (sm->deterministic)
921 rv = VNET_API_ERROR_UNSUPPORTED;
925 if (mp->addr_only == 0)
927 port = clib_net_to_host_u16 (mp->port);
928 proto = ip_proto_to_snat_proto (mp->protocol);
930 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
931 sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
932 if (sw_if_index != ~0)
935 memcpy (&addr.as_u8, mp->ip_address, 4);
936 mp->tag[sizeof (mp->tag) - 1] = 0;
937 tag = format (0, "%s", mp->tag);
938 vec_terminate_c_string (tag);
941 snat_add_static_mapping (addr, addr, port, port, vrf_id, mp->addr_only,
942 sw_if_index, proto, mp->is_add, 0, 0, tag);
947 REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY);
950 static void *vl_api_nat44_add_del_identity_mapping_t_print
951 (vl_api_nat44_add_del_identity_mapping_t * mp, void *handle)
955 s = format (0, "SCRIPT: nat44_add_del_identity_mapping ");
956 if (mp->sw_if_index != ~0)
957 s = format (s, "sw_if_index %d", clib_net_to_host_u32 (mp->sw_if_index));
959 s = format (s, "addr %U", format_ip4_address, mp->ip_address);
961 if (mp->addr_only == 0)
963 format (s, "protocol %d port %d", mp->protocol,
964 clib_net_to_host_u16 (mp->port));
966 if (mp->vrf_id != ~0)
967 s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
973 send_nat44_identity_mapping_details (snat_static_mapping_t * m,
974 vl_api_registration_t * reg, u32 context)
976 vl_api_nat44_identity_mapping_details_t *rmp;
977 snat_main_t *sm = &snat_main;
979 rmp = vl_msg_api_alloc (sizeof (*rmp));
980 memset (rmp, 0, sizeof (*rmp));
982 ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
983 rmp->addr_only = m->addr_only;
984 clib_memcpy (rmp->ip_address, &(m->local_addr), 4);
985 rmp->port = htons (m->local_port);
986 rmp->sw_if_index = ~0;
987 rmp->vrf_id = htonl (m->vrf_id);
988 rmp->protocol = snat_proto_to_ip_proto (m->proto);
989 rmp->context = context;
991 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
993 vl_api_send_msg (reg, (u8 *) rmp);
997 send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m,
998 vl_api_registration_t * reg,
1001 vl_api_nat44_identity_mapping_details_t *rmp;
1002 snat_main_t *sm = &snat_main;
1004 rmp = vl_msg_api_alloc (sizeof (*rmp));
1005 memset (rmp, 0, sizeof (*rmp));
1007 ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
1008 rmp->addr_only = m->addr_only;
1009 rmp->port = htons (m->l_port);
1010 rmp->sw_if_index = htonl (m->sw_if_index);
1011 rmp->vrf_id = htonl (m->vrf_id);
1012 rmp->protocol = snat_proto_to_ip_proto (m->proto);
1013 rmp->context = context;
1015 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1017 vl_api_send_msg (reg, (u8 *) rmp);
1021 vl_api_nat44_identity_mapping_dump_t_handler
1022 (vl_api_nat44_identity_mapping_dump_t * mp)
1024 vl_api_registration_t *reg;
1025 snat_main_t *sm = &snat_main;
1026 snat_static_mapping_t *m;
1027 snat_static_map_resolve_t *rp;
1030 if (sm->deterministic)
1033 reg = vl_api_client_index_to_registration (mp->client_index);
1038 pool_foreach (m, sm->static_mappings,
1040 if (!vec_len (m->locals) && (m->local_port == m->external_port)
1041 && (m->local_addr.as_u32 == m->external_addr.as_u32))
1042 send_nat44_identity_mapping_details (m, reg, mp->context);
1046 for (j = 0; j < vec_len (sm->to_resolve); j++)
1048 rp = sm->to_resolve + j;
1049 if (rp->l_addr.as_u32 == 0)
1050 send_nat44_identity_map_resolve_details (rp, reg, mp->context);
1054 static void *vl_api_nat44_identity_mapping_dump_t_print
1055 (vl_api_nat44_identity_mapping_dump_t * mp, void *handle)
1059 s = format (0, "SCRIPT: nat44_identity_mapping_dump ");
1065 vl_api_nat44_add_del_interface_addr_t_handler
1066 (vl_api_nat44_add_del_interface_addr_t * mp)
1068 snat_main_t *sm = &snat_main;
1069 vl_api_nat44_add_del_interface_addr_reply_t *rmp;
1070 u8 is_del = mp->is_add == 0;
1071 u32 sw_if_index = ntohl (mp->sw_if_index);
1074 if (sm->deterministic)
1076 rv = VNET_API_ERROR_UNSUPPORTED;
1080 VALIDATE_SW_IF_INDEX (mp);
1082 rv = snat_add_interface_address (sm, sw_if_index, is_del, mp->twice_nat);
1084 BAD_SW_IF_INDEX_LABEL;
1086 REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY);
1089 static void *vl_api_nat44_add_del_interface_addr_t_print
1090 (vl_api_nat44_add_del_interface_addr_t * mp, void *handle)
1094 s = format (0, "SCRIPT: nat44_add_del_interface_addr ");
1095 s = format (s, "sw_if_index %d twice_nat %d %s",
1096 clib_host_to_net_u32 (mp->sw_if_index),
1097 mp->twice_nat, mp->is_add ? "" : "del");
1103 send_nat44_interface_addr_details (u32 sw_if_index,
1104 vl_api_registration_t * reg, u32 context,
1107 vl_api_nat44_interface_addr_details_t *rmp;
1108 snat_main_t *sm = &snat_main;
1110 rmp = vl_msg_api_alloc (sizeof (*rmp));
1111 memset (rmp, 0, sizeof (*rmp));
1113 ntohs (VL_API_NAT44_INTERFACE_ADDR_DETAILS + sm->msg_id_base);
1114 rmp->sw_if_index = ntohl (sw_if_index);
1115 rmp->twice_nat = twice_nat;
1116 rmp->context = context;
1118 vl_api_send_msg (reg, (u8 *) rmp);
1122 vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t
1125 vl_api_registration_t *reg;
1126 snat_main_t *sm = &snat_main;
1129 if (sm->deterministic)
1132 reg = vl_api_client_index_to_registration (mp->client_index);
1137 vec_foreach (i, sm->auto_add_sw_if_indices)
1138 send_nat44_interface_addr_details(*i, reg, mp->context, 0);
1139 vec_foreach (i, sm->auto_add_sw_if_indices_twice_nat)
1140 send_nat44_interface_addr_details(*i, reg, mp->context, 1);
1145 vl_api_nat44_interface_addr_dump_t_print (vl_api_nat44_interface_addr_dump_t *
1150 s = format (0, "SCRIPT: nat44_interface_addr_dump ");
1156 send_nat44_user_details (snat_user_t * u, vl_api_registration_t * reg,
1159 vl_api_nat44_user_details_t *rmp;
1160 snat_main_t *sm = &snat_main;
1161 ip4_main_t *im = &ip4_main;
1163 rmp = vl_msg_api_alloc (sizeof (*rmp));
1164 memset (rmp, 0, sizeof (*rmp));
1165 rmp->_vl_msg_id = ntohs (VL_API_NAT44_USER_DETAILS + sm->msg_id_base);
1167 if (!pool_is_free_index (im->fibs, u->fib_index))
1169 fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4);
1170 rmp->vrf_id = ntohl (fib->ft_table_id);
1173 clib_memcpy (rmp->ip_address, &(u->addr), 4);
1174 rmp->nsessions = ntohl (u->nsessions);
1175 rmp->nstaticsessions = ntohl (u->nstaticsessions);
1176 rmp->context = context;
1178 vl_api_send_msg (reg, (u8 *) rmp);
1182 vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp)
1184 vl_api_registration_t *reg;
1185 snat_main_t *sm = &snat_main;
1186 snat_main_per_thread_data_t *tsm;
1189 if (sm->deterministic)
1192 reg = vl_api_client_index_to_registration (mp->client_index);
1197 vec_foreach (tsm, sm->per_thread_data)
1198 vec_foreach (u, tsm->users)
1199 send_nat44_user_details (u, reg, mp->context);
1204 vl_api_nat44_user_dump_t_print (vl_api_nat44_user_dump_t * mp, void *handle)
1208 s = format (0, "SCRIPT: nat44_user_dump ");
1214 send_nat44_user_session_details (snat_session_t * s,
1215 vl_api_registration_t * reg, u32 context)
1217 vl_api_nat44_user_session_details_t *rmp;
1218 snat_main_t *sm = &snat_main;
1220 rmp = vl_msg_api_alloc (sizeof (*rmp));
1221 memset (rmp, 0, sizeof (*rmp));
1223 ntohs (VL_API_NAT44_USER_SESSION_DETAILS + sm->msg_id_base);
1224 clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4);
1225 clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4);
1226 rmp->is_static = snat_is_session_static (s) ? 1 : 0;
1227 rmp->is_twicenat = is_twice_nat_session (s) ? 1 : 0;
1228 rmp->ext_host_valid = is_ed_session (s)
1229 || is_fwd_bypass_session (s) ? 1 : 0;
1230 rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard);
1231 rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes);
1232 rmp->total_pkts = ntohl (s->total_pkts);
1233 rmp->context = context;
1234 if (snat_is_unk_proto_session (s))
1236 rmp->outside_port = 0;
1237 rmp->inside_port = 0;
1238 rmp->protocol = ntohs (s->in2out.port);
1242 rmp->outside_port = s->out2in.port;
1243 rmp->inside_port = s->in2out.port;
1244 rmp->protocol = ntohs (snat_proto_to_ip_proto (s->in2out.protocol));
1246 if (is_ed_session (s) || is_fwd_bypass_session (s))
1248 clib_memcpy (rmp->ext_host_address, &s->ext_host_addr, 4);
1249 rmp->ext_host_port = s->ext_host_port;
1250 if (is_twice_nat_session (s))
1252 clib_memcpy (rmp->ext_host_nat_address, &s->ext_host_nat_addr, 4);
1253 rmp->ext_host_nat_port = s->ext_host_nat_port;
1257 vl_api_send_msg (reg, (u8 *) rmp);
1261 vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t *
1264 vl_api_registration_t *reg;
1265 snat_main_t *sm = &snat_main;
1266 snat_main_per_thread_data_t *tsm;
1268 clib_bihash_kv_8_8_t key, value;
1269 snat_user_key_t ukey;
1271 u32 session_index, head_index, elt_index;
1272 dlist_elt_t *head, *elt;
1275 if (sm->deterministic)
1278 reg = vl_api_client_index_to_registration (mp->client_index);
1282 clib_memcpy (&ukey.addr, mp->ip_address, 4);
1283 ip.src_address.as_u32 = ukey.addr.as_u32;
1284 ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id));
1285 key.key = ukey.as_u64;
1286 if (sm->num_workers > 1)
1288 vec_elt_at_index (sm->per_thread_data,
1289 sm->worker_in2out_cb (&ip, ukey.fib_index));
1291 tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
1292 if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value))
1294 u = pool_elt_at_index (tsm->users, value.value);
1295 if (!u->nsessions && !u->nstaticsessions)
1298 head_index = u->sessions_per_user_list_head_index;
1299 head = pool_elt_at_index (tsm->list_pool, head_index);
1300 elt_index = head->next;
1301 elt = pool_elt_at_index (tsm->list_pool, elt_index);
1302 session_index = elt->value;
1303 while (session_index != ~0)
1305 s = pool_elt_at_index (tsm->sessions, session_index);
1307 send_nat44_user_session_details (s, reg, mp->context);
1309 elt_index = elt->next;
1310 elt = pool_elt_at_index (tsm->list_pool, elt_index);
1311 session_index = elt->value;
1316 vl_api_nat44_user_session_dump_t_print (vl_api_nat44_user_session_dump_t * mp,
1321 s = format (0, "SCRIPT: nat44_user_session_dump ");
1322 s = format (s, "ip_address %U vrf_id %d\n",
1323 format_ip4_address, mp->ip_address,
1324 clib_net_to_host_u32 (mp->vrf_id));
1329 static nat44_lb_addr_port_t *
1330 unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t * addr_port_pairs,
1331 u8 addr_port_pair_num)
1334 nat44_lb_addr_port_t *lb_addr_port_pairs = 0, lb_addr_port;
1335 vl_api_nat44_lb_addr_port_t *ap;
1337 for (i = 0; i < addr_port_pair_num; i++)
1339 ap = &addr_port_pairs[i];
1340 memset (&lb_addr_port, 0, sizeof (lb_addr_port));
1341 clib_memcpy (&lb_addr_port.addr, ap->addr, 4);
1342 lb_addr_port.port = clib_net_to_host_u16 (ap->port);
1343 lb_addr_port.probability = ap->probability;
1344 vec_add1 (lb_addr_port_pairs, lb_addr_port);
1347 return lb_addr_port_pairs;
1351 vl_api_nat44_add_del_lb_static_mapping_t_handler
1352 (vl_api_nat44_add_del_lb_static_mapping_t * mp)
1354 snat_main_t *sm = &snat_main;
1355 vl_api_nat44_add_del_lb_static_mapping_reply_t *rmp;
1356 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
1358 nat44_lb_addr_port_t *locals = 0;
1359 ip4_address_t e_addr;
1360 snat_protocol_t proto;
1363 if (sm->deterministic)
1365 rv = VNET_API_ERROR_UNSUPPORTED;
1369 locals = unformat_nat44_lb_addr_port (mp->locals, mp->local_num);
1370 clib_memcpy (&e_addr, mp->external_addr, 4);
1371 proto = ip_proto_to_snat_proto (mp->protocol);
1373 twice_nat = TWICE_NAT;
1374 else if (mp->self_twice_nat)
1375 twice_nat = TWICE_NAT_SELF;
1376 mp->tag[sizeof (mp->tag) - 1] = 0;
1377 tag = format (0, "%s", mp->tag);
1378 vec_terminate_c_string (tag);
1381 nat44_add_del_lb_static_mapping (e_addr,
1382 clib_net_to_host_u16 (mp->external_port),
1383 proto, clib_net_to_host_u32 (mp->vrf_id),
1384 locals, mp->is_add, twice_nat,
1385 mp->out2in_only, tag);
1391 REPLY_MACRO (VL_API_NAT44_ADD_DEL_LB_STATIC_MAPPING_REPLY);
1394 static void *vl_api_nat44_add_del_lb_static_mapping_t_print
1395 (vl_api_nat44_add_del_lb_static_mapping_t * mp, void *handle)
1399 s = format (0, "SCRIPT: nat44_add_del_lb_static_mapping ");
1400 s = format (s, "is_add %d twice_nat %d out2in_only %d ",
1401 mp->is_add, mp->twice_nat, mp->out2in_only);
1407 send_nat44_lb_static_mapping_details (snat_static_mapping_t * m,
1408 vl_api_registration_t * reg,
1411 vl_api_nat44_lb_static_mapping_details_t *rmp;
1412 snat_main_t *sm = &snat_main;
1413 nat44_lb_addr_port_t *ap;
1414 vl_api_nat44_lb_addr_port_t *locals;
1417 vl_msg_api_alloc (sizeof (*rmp) +
1418 (vec_len (m->locals) * sizeof (nat44_lb_addr_port_t)));
1419 memset (rmp, 0, sizeof (*rmp));
1421 ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base);
1423 clib_memcpy (rmp->external_addr, &(m->external_addr), 4);
1424 rmp->external_port = ntohs (m->external_port);
1425 rmp->protocol = snat_proto_to_ip_proto (m->proto);
1426 rmp->vrf_id = ntohl (m->vrf_id);
1427 rmp->context = context;
1428 if (m->twice_nat == TWICE_NAT)
1430 else if (m->twice_nat == TWICE_NAT_SELF)
1431 rmp->self_twice_nat = 1;
1432 rmp->out2in_only = m->out2in_only;
1434 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1436 locals = (vl_api_nat44_lb_addr_port_t *) rmp->locals;
1437 vec_foreach (ap, m->locals)
1439 clib_memcpy (locals->addr, &(ap->addr), 4);
1440 locals->port = htons (ap->port);
1441 locals->probability = ap->probability;
1446 vl_api_send_msg (reg, (u8 *) rmp);
1450 vl_api_nat44_lb_static_mapping_dump_t_handler
1451 (vl_api_nat44_lb_static_mapping_dump_t * mp)
1453 vl_api_registration_t *reg;
1454 snat_main_t *sm = &snat_main;
1455 snat_static_mapping_t *m;
1457 if (sm->deterministic)
1460 reg = vl_api_client_index_to_registration (mp->client_index);
1465 pool_foreach (m, sm->static_mappings,
1467 if (vec_len(m->locals))
1468 send_nat44_lb_static_mapping_details (m, reg, mp->context);
1473 static void *vl_api_nat44_lb_static_mapping_dump_t_print
1474 (vl_api_nat44_lb_static_mapping_dump_t * mp, void *handle)
1478 s = format (0, "SCRIPT: nat44_lb_static_mapping_dump ");
1484 vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
1486 snat_main_t *sm = &snat_main;
1487 vl_api_nat44_del_session_reply_t *rmp;
1488 ip4_address_t addr, eh_addr;
1492 snat_protocol_t proto;
1494 if (sm->deterministic)
1496 rv = VNET_API_ERROR_UNSUPPORTED;
1500 memcpy (&addr.as_u8, mp->address, 4);
1501 port = clib_net_to_host_u16 (mp->port);
1502 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
1503 proto = ip_proto_to_snat_proto (mp->protocol);
1504 memcpy (&eh_addr.as_u8, mp->ext_host_address, 4);
1505 eh_port = clib_net_to_host_u16 (mp->ext_host_port);
1507 if (mp->ext_host_valid)
1509 nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, mp->protocol,
1512 rv = nat44_del_session (sm, &addr, port, proto, vrf_id, mp->is_in);
1515 REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY);
1519 vl_api_nat44_del_session_t_print (vl_api_nat44_del_session_t * mp,
1524 s = format (0, "SCRIPT: nat44_add_del_static_mapping ");
1525 s = format (s, "addr %U port %d protocol %d vrf_id %d is_in %d",
1526 format_ip4_address, mp->address,
1527 clib_net_to_host_u16 (mp->port),
1528 mp->protocol, clib_net_to_host_u32 (mp->vrf_id), mp->is_in);
1529 if (mp->ext_host_valid)
1530 s = format (s, "ext_host_address %U ext_host_port %d",
1531 format_ip4_address, mp->ext_host_address,
1532 clib_net_to_host_u16 (mp->ext_host_port));
1538 vl_api_nat44_forwarding_enable_disable_t_handler
1539 (vl_api_nat44_forwarding_enable_disable_t * mp)
1541 snat_main_t *sm = &snat_main;
1542 vl_api_nat44_forwarding_enable_disable_reply_t *rmp;
1544 u32 *ses_to_be_removed = 0, *ses_index;
1545 snat_main_per_thread_data_t *tsm;
1548 sm->forwarding_enabled = mp->enable != 0;
1550 if (mp->enable == 0)
1553 vec_foreach (tsm, sm->per_thread_data)
1555 pool_foreach (s, tsm->sessions,
1557 if (is_fwd_bypass_session(s))
1559 vec_add1 (ses_to_be_removed, s - tsm->sessions);
1562 vec_foreach (ses_index, ses_to_be_removed)
1564 s = pool_elt_at_index(tsm->sessions, ses_index[0]);
1565 nat_free_session_data (sm, s, tsm - sm->per_thread_data);
1566 nat44_delete_session (sm, s, tsm - sm->per_thread_data);
1568 vec_free (ses_to_be_removed);
1573 REPLY_MACRO (VL_API_NAT44_FORWARDING_ENABLE_DISABLE_REPLY);
1576 static void *vl_api_nat44_forwarding_enable_disable_t_print
1577 (vl_api_nat44_forwarding_enable_disable_t * mp, void *handle)
1581 s = format (0, "SCRIPT: nat44_forwarding_enable_disable ");
1582 s = format (s, "enable %d", mp->enable != 0);
1588 vl_api_nat44_forwarding_is_enabled_t_handler
1589 (vl_api_nat44_forwarding_is_enabled_t * mp)
1591 vl_api_registration_t *reg;
1592 snat_main_t *sm = &snat_main;
1593 vl_api_nat44_forwarding_is_enabled_reply_t *rmp;
1595 reg = vl_api_client_index_to_registration (mp->client_index);
1599 rmp = vl_msg_api_alloc (sizeof (*rmp));
1600 memset (rmp, 0, sizeof (*rmp));
1602 ntohs (VL_API_NAT44_FORWARDING_IS_ENABLED_REPLY + sm->msg_id_base);
1603 rmp->context = mp->context;
1605 rmp->enabled = sm->forwarding_enabled;
1607 vl_api_send_msg (reg, (u8 *) rmp);
1610 static void *vl_api_nat44_forwarding_is_enabled_t_print
1611 (vl_api_nat44_forwarding_is_enabled_t * mp, void *handle)
1615 s = format (0, "SCRIPT: nat44_forwarding_is_enabled ");
1620 /*******************************/
1621 /*** Deterministic NAT (CGN) ***/
1622 /*******************************/
1625 vl_api_nat_det_add_del_map_t_handler (vl_api_nat_det_add_del_map_t * mp)
1627 snat_main_t *sm = &snat_main;
1628 vl_api_nat_det_add_del_map_reply_t *rmp;
1630 ip4_address_t in_addr, out_addr;
1632 if (!sm->deterministic)
1634 rv = VNET_API_ERROR_UNSUPPORTED;
1640 rv = VNET_API_ERROR_UNIMPLEMENTED;
1644 clib_memcpy (&in_addr, mp->in_addr, 4);
1645 clib_memcpy (&out_addr, mp->out_addr, 4);
1646 rv = snat_det_add_map (sm, &in_addr, mp->in_plen, &out_addr,
1647 mp->out_plen, mp->is_add);
1650 REPLY_MACRO (VL_API_NAT_DET_ADD_DEL_MAP_REPLY);
1654 vl_api_nat_det_add_del_map_t_print (vl_api_nat_det_add_del_map_t * mp,
1659 s = format (0, "SCRIPT: nat_det_add_del_map ");
1660 s = format (s, "inside address %U/%d outside address %U/%d\n",
1661 format_ip4_address, mp->in_addr, mp->in_plen,
1662 format_ip4_address, mp->out_addr, mp->out_plen);
1668 vl_api_nat_det_forward_t_handler (vl_api_nat_det_forward_t * mp)
1670 snat_main_t *sm = &snat_main;
1671 vl_api_nat_det_forward_reply_t *rmp;
1673 u16 lo_port = 0, hi_port = 0;
1675 ip4_address_t in_addr, out_addr;
1677 if (!sm->deterministic)
1679 rv = VNET_API_ERROR_UNSUPPORTED;
1680 REPLY_MACRO (VL_API_NAT_DET_FORWARD_REPLY);
1686 out_addr.as_u32 = 0;
1687 rv = VNET_API_ERROR_UNIMPLEMENTED;
1691 out_addr.as_u32 = 0;
1692 clib_memcpy (&in_addr, mp->in_addr, 4);
1693 dm = snat_det_map_by_user (sm, &in_addr);
1696 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1700 snat_det_forward (dm, &in_addr, &out_addr, &lo_port);
1701 hi_port = lo_port + dm->ports_per_host - 1;
1705 REPLY_MACRO2 (VL_API_NAT_DET_FORWARD_REPLY,
1707 rmp->out_port_lo = ntohs (lo_port);
1708 rmp->out_port_hi = ntohs (hi_port);
1709 clib_memcpy (rmp->out_addr, &out_addr, 4);
1715 vl_api_nat_det_forward_t_print (vl_api_nat_det_forward_t * mp, void *handle)
1719 s = format (0, "SCRIPT: nat_det_forward");
1720 s = format (s, "inside ip address %U\n", format_ip4_address, mp->in_addr);
1726 vl_api_nat_det_reverse_t_handler (vl_api_nat_det_reverse_t * mp)
1728 snat_main_t *sm = &snat_main;
1729 vl_api_nat_det_reverse_reply_t *rmp;
1731 ip4_address_t out_addr, in_addr;
1734 if (!sm->deterministic)
1736 rv = VNET_API_ERROR_UNSUPPORTED;
1737 REPLY_MACRO (VL_API_NAT_DET_REVERSE_REPLY);
1742 clib_memcpy (&out_addr, mp->out_addr, 4);
1743 dm = snat_det_map_by_out (sm, &out_addr);
1746 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1750 snat_det_reverse (dm, &out_addr, htons (mp->out_port), &in_addr);
1754 REPLY_MACRO2 (VL_API_NAT_DET_REVERSE_REPLY,
1757 memset (rmp->in_addr, 0, 16);
1758 clib_memcpy (rmp->in_addr, &in_addr, 4);
1764 vl_api_nat_det_reverse_t_print (vl_api_nat_det_reverse_t * mp, void *handle)
1768 s = format (0, "SCRIPT: nat_det_reverse");
1769 s = format (s, "outside ip address %U outside port %d",
1770 format_ip4_address, mp->out_addr, ntohs (mp->out_port));
1776 sent_nat_det_map_details (snat_det_map_t * m, vl_api_registration_t * reg,
1779 vl_api_nat_det_map_details_t *rmp;
1780 snat_main_t *sm = &snat_main;
1782 rmp = vl_msg_api_alloc (sizeof (*rmp));
1783 memset (rmp, 0, sizeof (*rmp));
1784 rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_MAP_DETAILS + sm->msg_id_base);
1786 clib_memcpy (rmp->in_addr, &m->in_addr, 4);
1787 rmp->in_plen = m->in_plen;
1788 clib_memcpy (rmp->out_addr, &m->out_addr, 4);
1789 rmp->out_plen = m->out_plen;
1790 rmp->sharing_ratio = htonl (m->sharing_ratio);
1791 rmp->ports_per_host = htons (m->ports_per_host);
1792 rmp->ses_num = htonl (m->ses_num);
1793 rmp->context = context;
1795 vl_api_send_msg (reg, (u8 *) rmp);
1799 vl_api_nat_det_map_dump_t_handler (vl_api_nat_det_map_dump_t * mp)
1801 vl_api_registration_t *reg;
1802 snat_main_t *sm = &snat_main;
1805 if (!sm->deterministic)
1808 reg = vl_api_client_index_to_registration (mp->client_index);
1813 vec_foreach(m, sm->det_maps)
1814 sent_nat_det_map_details(m, reg, mp->context);
1819 vl_api_nat_det_map_dump_t_print (vl_api_nat_det_map_dump_t * mp, void *handle)
1823 s = format (0, "SCRIPT: nat_det_map_dump ");
1829 vl_api_nat_det_set_timeouts_t_handler (vl_api_nat_det_set_timeouts_t * mp)
1831 snat_main_t *sm = &snat_main;
1832 vl_api_nat_det_set_timeouts_reply_t *rmp;
1835 if (!sm->deterministic)
1837 rv = VNET_API_ERROR_UNSUPPORTED;
1841 sm->udp_timeout = ntohl (mp->udp);
1842 sm->tcp_established_timeout = ntohl (mp->tcp_established);
1843 sm->tcp_transitory_timeout = ntohl (mp->tcp_transitory);
1844 sm->icmp_timeout = ntohl (mp->icmp);
1847 REPLY_MACRO (VL_API_NAT_DET_SET_TIMEOUTS_REPLY);
1851 vl_api_nat_det_set_timeouts_t_print (vl_api_nat_det_set_timeouts_t * mp,
1856 s = format (0, "SCRIPT: nat_det_set_timeouts ");
1857 s = format (s, "udp %d tcp_established %d tcp_transitory %d icmp %d\n",
1859 ntohl (mp->tcp_established),
1860 ntohl (mp->tcp_transitory), ntohl (mp->icmp));
1866 vl_api_nat_det_get_timeouts_t_handler (vl_api_nat_det_get_timeouts_t * mp)
1868 snat_main_t *sm = &snat_main;
1869 vl_api_nat_det_get_timeouts_reply_t *rmp;
1872 if (!sm->deterministic)
1874 rv = VNET_API_ERROR_UNSUPPORTED;
1875 REPLY_MACRO (VL_API_NAT_DET_GET_TIMEOUTS_REPLY);
1880 REPLY_MACRO2 (VL_API_NAT_DET_GET_TIMEOUTS_REPLY,
1882 rmp->udp = htonl (sm->udp_timeout);
1883 rmp->tcp_established = htonl (sm->tcp_established_timeout);
1884 rmp->tcp_transitory = htonl (sm->tcp_transitory_timeout);
1885 rmp->icmp = htonl (sm->icmp_timeout);
1891 vl_api_nat_det_get_timeouts_t_print (vl_api_nat_det_get_timeouts_t * mp,
1896 s = format (0, "SCRIPT: nat_det_get_timeouts");
1902 vl_api_nat_det_close_session_out_t_handler (vl_api_nat_det_close_session_out_t
1905 snat_main_t *sm = &snat_main;
1906 vl_api_nat_det_close_session_out_reply_t *rmp;
1907 ip4_address_t out_addr, ext_addr, in_addr;
1908 snat_det_out_key_t key;
1910 snat_det_session_t *ses;
1913 if (!sm->deterministic)
1915 rv = VNET_API_ERROR_UNSUPPORTED;
1919 clib_memcpy (&out_addr, mp->out_addr, 4);
1920 clib_memcpy (&ext_addr, mp->ext_addr, 4);
1922 dm = snat_det_map_by_out (sm, &out_addr);
1925 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1928 snat_det_reverse (dm, &ext_addr, ntohs (mp->out_port), &in_addr);
1929 key.ext_host_addr = ext_addr;
1930 key.ext_host_port = mp->ext_port;
1931 key.out_port = mp->out_port;
1932 ses = snat_det_get_ses_by_out (dm, &in_addr, key.as_u64);
1935 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1938 snat_det_ses_close (dm, ses);
1941 REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY);
1945 vl_api_nat_det_close_session_out_t_print (vl_api_nat_det_close_session_out_t *
1950 s = format (0, "SCRIPT: nat_det_close_session_out ");
1951 s = format (s, "out_addr %U out_port %d "
1952 "ext_addr %U ext_port %d\n",
1953 format_ip4_address, mp->out_addr, ntohs (mp->out_port),
1954 format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
1960 vl_api_nat_det_close_session_in_t_handler (vl_api_nat_det_close_session_in_t *
1963 snat_main_t *sm = &snat_main;
1964 vl_api_nat_det_close_session_in_reply_t *rmp;
1965 ip4_address_t in_addr, ext_addr;
1966 snat_det_out_key_t key;
1968 snat_det_session_t *ses;
1971 if (!sm->deterministic)
1973 rv = VNET_API_ERROR_UNSUPPORTED;
1979 rv = VNET_API_ERROR_UNIMPLEMENTED;
1983 clib_memcpy (&in_addr, mp->in_addr, 4);
1984 clib_memcpy (&ext_addr, mp->ext_addr, 4);
1986 dm = snat_det_map_by_user (sm, &in_addr);
1989 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1992 key.ext_host_addr = ext_addr;
1993 key.ext_host_port = mp->ext_port;
1994 ses = snat_det_find_ses_by_in (dm, &in_addr, mp->in_port, key);
1997 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
2000 snat_det_ses_close (dm, ses);
2003 REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY);
2007 vl_api_nat_det_close_session_in_t_print (vl_api_nat_det_close_session_in_t *
2011 s = format (0, "SCRIPT: nat_det_close_session_in ");
2012 s = format (s, "in_addr %U in_port %d ext_addr %U ext_port %d\n",
2013 format_ip4_address, mp->in_addr, ntohs (mp->in_port),
2014 format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
2020 send_nat_det_session_details (snat_det_session_t * s,
2021 vl_api_registration_t * reg, u32 context)
2023 vl_api_nat_det_session_details_t *rmp;
2024 snat_main_t *sm = &snat_main;
2026 rmp = vl_msg_api_alloc (sizeof (*rmp));
2027 memset (rmp, 0, sizeof (*rmp));
2028 rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_SESSION_DETAILS + sm->msg_id_base);
2029 rmp->in_port = s->in_port;
2030 clib_memcpy (rmp->ext_addr, &s->out.ext_host_addr, 4);
2031 rmp->ext_port = s->out.ext_host_port;
2032 rmp->out_port = s->out.out_port;
2033 rmp->state = s->state;
2034 rmp->expire = ntohl (s->expire);
2035 rmp->context = context;
2037 vl_api_send_msg (reg, (u8 *) rmp);
2041 vl_api_nat_det_session_dump_t_handler (vl_api_nat_det_session_dump_t * mp)
2043 vl_api_registration_t *reg;
2044 snat_main_t *sm = &snat_main;
2045 ip4_address_t user_addr;
2047 snat_det_session_t *s, empty_ses;
2050 if (!sm->deterministic)
2053 reg = vl_api_client_index_to_registration (mp->client_index);
2059 memset (&empty_ses, 0, sizeof (empty_ses));
2060 clib_memcpy (&user_addr, mp->user_addr, 4);
2061 dm = snat_det_map_by_user (sm, &user_addr);
2065 s = dm->sessions + snat_det_user_ses_offset (&user_addr, dm->in_plen);
2066 for (i = 0; i < SNAT_DET_SES_PER_USER; i++)
2069 send_nat_det_session_details (s, reg, mp->context);
2075 vl_api_nat_det_session_dump_t_print (vl_api_nat_det_session_dump_t * mp,
2080 s = format (0, "SCRIPT: nat_det_session_dump ");
2081 s = format (s, "user_addr %U\n", format_ip4_address, mp->user_addr);
2091 vl_api_nat64_add_del_pool_addr_range_t_handler
2092 (vl_api_nat64_add_del_pool_addr_range_t * mp)
2094 vl_api_nat64_add_del_pool_addr_range_reply_t *rmp;
2095 snat_main_t *sm = &snat_main;
2097 ip4_address_t this_addr;
2098 u32 start_host_order, end_host_order;
2103 tmp = (u32 *) mp->start_addr;
2104 start_host_order = clib_host_to_net_u32 (tmp[0]);
2105 tmp = (u32 *) mp->end_addr;
2106 end_host_order = clib_host_to_net_u32 (tmp[0]);
2108 count = (end_host_order - start_host_order) + 1;
2110 vrf_id = clib_host_to_net_u32 (mp->vrf_id);
2112 memcpy (&this_addr.as_u8, mp->start_addr, 4);
2114 for (i = 0; i < count; i++)
2116 if ((rv = nat64_add_del_pool_addr (&this_addr, vrf_id, mp->is_add)))
2119 increment_v4_address (&this_addr);
2123 REPLY_MACRO (VL_API_NAT64_ADD_DEL_POOL_ADDR_RANGE_REPLY);
2126 static void *vl_api_nat64_add_del_pool_addr_range_t_print
2127 (vl_api_nat64_add_del_pool_addr_range_t * mp, void *handle)
2131 s = format (0, "SCRIPT: nat64_add_del_pool_addr_range ");
2132 s = format (s, "%U - %U vrf_id %u %s\n",
2133 format_ip4_address, mp->start_addr,
2134 format_ip4_address, mp->end_addr,
2135 ntohl (mp->vrf_id), mp->is_add ? "" : "del");
2140 typedef struct nat64_api_walk_ctx_t_
2142 vl_api_registration_t *reg;
2145 } nat64_api_walk_ctx_t;
2148 nat64_api_pool_walk (snat_address_t * a, void *arg)
2150 vl_api_nat64_pool_addr_details_t *rmp;
2151 snat_main_t *sm = &snat_main;
2152 nat64_api_walk_ctx_t *ctx = arg;
2154 rmp = vl_msg_api_alloc (sizeof (*rmp));
2155 memset (rmp, 0, sizeof (*rmp));
2156 rmp->_vl_msg_id = ntohs (VL_API_NAT64_POOL_ADDR_DETAILS + sm->msg_id_base);
2157 clib_memcpy (rmp->address, &(a->addr), 4);
2158 if (a->fib_index != ~0)
2160 fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP6);
2163 rmp->vrf_id = ntohl (fib->ft_table_id);
2167 rmp->context = ctx->context;
2169 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2175 vl_api_nat64_pool_addr_dump_t_handler (vl_api_nat64_pool_addr_dump_t * mp)
2177 vl_api_registration_t *reg;
2179 reg = vl_api_client_index_to_registration (mp->client_index);
2183 nat64_api_walk_ctx_t ctx = {
2185 .context = mp->context,
2188 nat64_pool_addr_walk (nat64_api_pool_walk, &ctx);
2192 vl_api_nat64_pool_addr_dump_t_print (vl_api_nat64_pool_addr_dump_t * mp,
2197 s = format (0, "SCRIPT: nat64_pool_addr_dump\n");
2203 vl_api_nat64_add_del_interface_t_handler (vl_api_nat64_add_del_interface_t *
2206 snat_main_t *sm = &snat_main;
2207 vl_api_nat64_add_del_interface_reply_t *rmp;
2210 VALIDATE_SW_IF_INDEX (mp);
2213 nat64_add_del_interface (ntohl (mp->sw_if_index), mp->is_inside,
2216 BAD_SW_IF_INDEX_LABEL;
2218 REPLY_MACRO (VL_API_NAT64_ADD_DEL_INTERFACE_REPLY);
2222 vl_api_nat64_add_del_interface_t_print (vl_api_nat64_add_del_interface_t * mp,
2227 s = format (0, "SCRIPT: nat64_add_del_interface ");
2228 s = format (s, "sw_if_index %d %s %s",
2229 clib_host_to_net_u32 (mp->sw_if_index),
2230 mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
2236 nat64_api_interface_walk (snat_interface_t * i, void *arg)
2238 vl_api_nat64_interface_details_t *rmp;
2239 snat_main_t *sm = &snat_main;
2240 nat64_api_walk_ctx_t *ctx = arg;
2242 rmp = vl_msg_api_alloc (sizeof (*rmp));
2243 memset (rmp, 0, sizeof (*rmp));
2244 rmp->_vl_msg_id = ntohs (VL_API_NAT64_INTERFACE_DETAILS + sm->msg_id_base);
2245 rmp->sw_if_index = ntohl (i->sw_if_index);
2246 rmp->is_inside = (nat_interface_is_inside (i)
2247 && nat_interface_is_outside (i)) ? 2 :
2248 nat_interface_is_inside (i);
2249 rmp->context = ctx->context;
2251 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2257 vl_api_nat64_interface_dump_t_handler (vl_api_nat64_interface_dump_t * mp)
2259 vl_api_registration_t *reg;
2261 reg = vl_api_client_index_to_registration (mp->client_index);
2265 nat64_api_walk_ctx_t ctx = {
2267 .context = mp->context,
2270 nat64_interfaces_walk (nat64_api_interface_walk, &ctx);
2274 vl_api_nat64_interface_dump_t_print (vl_api_nat64_interface_dump_t * mp,
2279 s = format (0, "SCRIPT: snat_interface_dump ");
2285 vl_api_nat64_add_del_static_bib_t_handler
2286 (vl_api_nat64_add_del_static_bib_t * mp)
2288 snat_main_t *sm = &snat_main;
2289 vl_api_nat64_add_del_static_bib_reply_t *rmp;
2290 ip6_address_t in_addr;
2291 ip4_address_t out_addr;
2294 memcpy (&in_addr.as_u8, mp->i_addr, 16);
2295 memcpy (&out_addr.as_u8, mp->o_addr, 4);
2298 nat64_add_del_static_bib_entry (&in_addr, &out_addr,
2299 clib_net_to_host_u16 (mp->i_port),
2300 clib_net_to_host_u16 (mp->o_port),
2302 clib_net_to_host_u32 (mp->vrf_id),
2305 REPLY_MACRO (VL_API_NAT64_ADD_DEL_STATIC_BIB_REPLY);
2308 static void *vl_api_nat64_add_del_static_bib_t_print
2309 (vl_api_nat64_add_del_static_bib_t * mp, void *handle)
2313 s = format (0, "SCRIPT: nat64_add_del_static_bib ");
2314 s = format (s, "protocol %d i_addr %U o_addr %U ",
2316 format_ip6_address, mp->i_addr, format_ip4_address, mp->o_addr);
2318 if (mp->vrf_id != ~0)
2319 s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
2325 nat64_api_bib_walk (nat64_db_bib_entry_t * bibe, void *arg)
2327 vl_api_nat64_bib_details_t *rmp;
2328 snat_main_t *sm = &snat_main;
2329 nat64_api_walk_ctx_t *ctx = arg;
2332 fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
2336 rmp = vl_msg_api_alloc (sizeof (*rmp));
2337 memset (rmp, 0, sizeof (*rmp));
2338 rmp->_vl_msg_id = ntohs (VL_API_NAT64_BIB_DETAILS + sm->msg_id_base);
2339 rmp->context = ctx->context;
2340 clib_memcpy (rmp->i_addr, &(bibe->in_addr), 16);
2341 clib_memcpy (rmp->o_addr, &(bibe->out_addr), 4);
2342 rmp->i_port = bibe->in_port;
2343 rmp->o_port = bibe->out_port;
2344 rmp->vrf_id = ntohl (fib->ft_table_id);
2345 rmp->proto = bibe->proto;
2346 rmp->is_static = bibe->is_static;
2347 rmp->ses_num = ntohl (bibe->ses_num);
2349 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2355 vl_api_nat64_bib_dump_t_handler (vl_api_nat64_bib_dump_t * mp)
2357 vl_api_registration_t *reg;
2358 nat64_main_t *nm = &nat64_main;
2361 reg = vl_api_client_index_to_registration (mp->client_index);
2365 nat64_api_walk_ctx_t ctx = {
2367 .context = mp->context,
2371 vec_foreach (db, nm->db)
2372 nat64_db_bib_walk (db, mp->proto, nat64_api_bib_walk, &ctx);
2377 vl_api_nat64_bib_dump_t_print (vl_api_nat64_bib_dump_t * mp, void *handle)
2381 s = format (0, "SCRIPT: snat_bib_dump protocol %d", mp->proto);
2387 vl_api_nat64_set_timeouts_t_handler (vl_api_nat64_set_timeouts_t * mp)
2389 snat_main_t *sm = &snat_main;
2390 vl_api_nat64_set_timeouts_reply_t *rmp;
2393 rv = nat64_set_icmp_timeout (ntohl (mp->icmp));
2396 rv = nat64_set_udp_timeout (ntohl (mp->udp));
2400 nat64_set_tcp_timeouts (ntohl (mp->tcp_trans), ntohl (mp->tcp_est),
2401 ntohl (mp->tcp_incoming_syn));
2404 REPLY_MACRO (VL_API_NAT64_SET_TIMEOUTS_REPLY);
2407 static void *vl_api_nat64_set_timeouts_t_print
2408 (vl_api_nat64_set_timeouts_t * mp, void *handle)
2412 s = format (0, "SCRIPT: nat64_set_timeouts ");
2415 "udp %d icmp %d, tcp_trans %d, tcp_est %d, tcp_incoming_syn %d\n",
2416 ntohl (mp->udp), ntohl (mp->icmp), ntohl (mp->tcp_trans),
2417 ntohl (mp->tcp_est), ntohl (mp->tcp_incoming_syn));
2423 vl_api_nat64_get_timeouts_t_handler (vl_api_nat64_get_timeouts_t * mp)
2425 snat_main_t *sm = &snat_main;
2426 vl_api_nat64_get_timeouts_reply_t *rmp;
2430 REPLY_MACRO2 (VL_API_NAT64_GET_TIMEOUTS_REPLY,
2432 rmp->udp = htonl (nat64_get_udp_timeout());
2433 rmp->icmp = htonl (nat64_get_icmp_timeout());
2434 rmp->tcp_trans = htonl (nat64_get_tcp_trans_timeout());
2435 rmp->tcp_est = htonl (nat64_get_tcp_est_timeout());
2436 rmp->tcp_incoming_syn = htonl (nat64_get_tcp_incoming_syn_timeout());
2441 static void *vl_api_nat64_get_timeouts_t_print
2442 (vl_api_nat64_get_timeouts_t * mp, void *handle)
2446 s = format (0, "SCRIPT: nat64_get_timeouts");
2452 nat64_api_st_walk (nat64_db_st_entry_t * ste, void *arg)
2454 vl_api_nat64_st_details_t *rmp;
2455 snat_main_t *sm = &snat_main;
2456 nat64_api_walk_ctx_t *ctx = arg;
2457 nat64_db_bib_entry_t *bibe;
2460 bibe = nat64_db_bib_entry_by_index (ctx->db, ste->proto, ste->bibe_index);
2464 fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
2468 rmp = vl_msg_api_alloc (sizeof (*rmp));
2469 memset (rmp, 0, sizeof (*rmp));
2470 rmp->_vl_msg_id = ntohs (VL_API_NAT64_ST_DETAILS + sm->msg_id_base);
2471 rmp->context = ctx->context;
2472 clib_memcpy (rmp->il_addr, &(bibe->in_addr), 16);
2473 clib_memcpy (rmp->ol_addr, &(bibe->out_addr), 4);
2474 rmp->il_port = bibe->in_port;
2475 rmp->ol_port = bibe->out_port;
2476 clib_memcpy (rmp->ir_addr, &(ste->in_r_addr), 16);
2477 clib_memcpy (rmp->or_addr, &(ste->out_r_addr), 4);
2478 rmp->il_port = ste->r_port;
2479 rmp->vrf_id = ntohl (fib->ft_table_id);
2480 rmp->proto = ste->proto;
2482 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2488 vl_api_nat64_st_dump_t_handler (vl_api_nat64_st_dump_t * mp)
2490 vl_api_registration_t *reg;
2491 nat64_main_t *nm = &nat64_main;
2494 reg = vl_api_client_index_to_registration (mp->client_index);
2498 nat64_api_walk_ctx_t ctx = {
2500 .context = mp->context,
2504 vec_foreach (db, nm->db)
2507 nat64_db_st_walk (db, mp->proto, nat64_api_st_walk, &ctx);
2513 vl_api_nat64_st_dump_t_print (vl_api_nat64_st_dump_t * mp, void *handle)
2517 s = format (0, "SCRIPT: snat_st_dump protocol %d", mp->proto);
2523 vl_api_nat64_add_del_prefix_t_handler (vl_api_nat64_add_del_prefix_t * mp)
2525 vl_api_nat64_add_del_prefix_reply_t *rmp;
2526 snat_main_t *sm = &snat_main;
2527 ip6_address_t prefix;
2530 memcpy (&prefix.as_u8, mp->prefix, 16);
2533 nat64_add_del_prefix (&prefix, mp->prefix_len,
2534 clib_net_to_host_u32 (mp->vrf_id), mp->is_add);
2535 REPLY_MACRO (VL_API_NAT64_ADD_DEL_PREFIX_REPLY);
2539 vl_api_nat64_add_del_prefix_t_print (vl_api_nat64_add_del_prefix_t * mp,
2544 s = format (0, "SCRIPT: nat64_add_del_prefix %U/%u vrf_id %u %s\n",
2545 format_ip6_address, mp->prefix, mp->prefix_len,
2546 ntohl (mp->vrf_id), mp->is_add ? "" : "del");
2552 nat64_api_prefix_walk (nat64_prefix_t * p, void *arg)
2554 vl_api_nat64_prefix_details_t *rmp;
2555 snat_main_t *sm = &snat_main;
2556 nat64_api_walk_ctx_t *ctx = arg;
2558 rmp = vl_msg_api_alloc (sizeof (*rmp));
2559 memset (rmp, 0, sizeof (*rmp));
2560 rmp->_vl_msg_id = ntohs (VL_API_NAT64_PREFIX_DETAILS + sm->msg_id_base);
2561 clib_memcpy (rmp->prefix, &(p->prefix), 16);
2562 rmp->prefix_len = p->plen;
2563 rmp->vrf_id = ntohl (p->vrf_id);
2564 rmp->context = ctx->context;
2566 vl_api_send_msg (ctx->reg, (u8 *) rmp);
2572 vl_api_nat64_prefix_dump_t_handler (vl_api_nat64_prefix_dump_t * mp)
2574 vl_api_registration_t *reg;
2576 reg = vl_api_client_index_to_registration (mp->client_index);
2580 nat64_api_walk_ctx_t ctx = {
2582 .context = mp->context,
2585 nat64_prefix_walk (nat64_api_prefix_walk, &ctx);
2589 vl_api_nat64_prefix_dump_t_print (vl_api_nat64_prefix_dump_t * mp,
2594 s = format (0, "SCRIPT: nat64_prefix_dump\n");
2600 vl_api_nat64_add_del_interface_addr_t_handler
2601 (vl_api_nat64_add_del_interface_addr_t * mp)
2603 snat_main_t *sm = &snat_main;
2604 vl_api_nat64_add_del_interface_addr_reply_t *rmp;
2605 u32 sw_if_index = ntohl (mp->sw_if_index);
2608 VALIDATE_SW_IF_INDEX (mp);
2610 rv = nat64_add_interface_address (sw_if_index, mp->is_add);
2612 BAD_SW_IF_INDEX_LABEL;
2614 REPLY_MACRO (VL_API_NAT64_ADD_DEL_INTERFACE_ADDR_REPLY);
2617 static void *vl_api_nat64_add_del_interface_addr_t_print
2618 (vl_api_nat64_add_del_interface_addr_t * mp, void *handle)
2622 s = format (0, "SCRIPT: nat64_add_del_interface_addr ");
2623 s = format (s, "sw_if_index %d %s",
2624 clib_host_to_net_u32 (mp->sw_if_index),
2625 mp->is_add ? "" : "del");
2635 vl_api_dslite_set_aftr_addr_t_handler (vl_api_dslite_set_aftr_addr_t * mp)
2637 vl_api_dslite_set_aftr_addr_reply_t *rmp;
2638 snat_main_t *sm = &snat_main;
2639 dslite_main_t *dm = &dslite_main;
2641 ip6_address_t ip6_addr;
2642 ip4_address_t ip4_addr;
2644 memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16);
2645 memcpy (&ip4_addr.as_u8, mp->ip4_addr, 4);
2647 rv = dslite_set_aftr_ip6_addr (dm, &ip6_addr);
2649 rv = dslite_set_aftr_ip4_addr (dm, &ip4_addr);
2651 REPLY_MACRO (VL_API_DSLITE_SET_AFTR_ADDR_REPLY);
2655 vl_api_dslite_set_aftr_addr_t_print (vl_api_dslite_set_aftr_addr_t * mp,
2660 s = format (0, "SCRIPT: dslite_set_aftr_addr ");
2661 s = format (s, "ip6_addr %U ip4_addr %U\n",
2662 format_ip6_address, mp->ip6_addr,
2663 format_ip4_address, mp->ip4_addr);
2669 vl_api_dslite_get_aftr_addr_t_handler (vl_api_dslite_get_aftr_addr_t * mp)
2671 snat_main_t *sm = &snat_main;
2672 vl_api_dslite_get_aftr_addr_reply_t *rmp;
2673 dslite_main_t *dm = &dslite_main;
2677 REPLY_MACRO2 (VL_API_DSLITE_GET_AFTR_ADDR_REPLY,
2679 memcpy (rmp->ip4_addr, &dm->aftr_ip4_addr.as_u8, 4);
2680 memcpy (rmp->ip6_addr, &dm->aftr_ip6_addr.as_u8, 16);
2686 vl_api_dslite_get_aftr_addr_t_print (vl_api_dslite_get_aftr_addr_t * mp,
2691 s = format (0, "SCRIPT: dslite_get_aftr_addr");
2697 vl_api_dslite_set_b4_addr_t_handler (vl_api_dslite_set_b4_addr_t * mp)
2699 vl_api_dslite_set_b4_addr_reply_t *rmp;
2700 snat_main_t *sm = &snat_main;
2701 dslite_main_t *dm = &dslite_main;
2703 ip6_address_t ip6_addr;
2704 ip4_address_t ip4_addr;
2706 memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16);
2707 memcpy (&ip4_addr.as_u8, mp->ip4_addr, 4);
2709 rv = dslite_set_b4_ip6_addr (dm, &ip6_addr);
2711 rv = dslite_set_b4_ip4_addr (dm, &ip4_addr);
2713 REPLY_MACRO (VL_API_DSLITE_SET_B4_ADDR_REPLY);
2717 vl_api_dslite_set_b4_addr_t_print (vl_api_dslite_set_b4_addr_t * mp,
2722 s = format (0, "SCRIPT: dslite_set_b4_addr ");
2723 s = format (s, "ip6_addr %U ip4_addr %U\n",
2724 format_ip6_address, mp->ip6_addr,
2725 format_ip6_address, mp->ip4_addr);
2731 vl_api_dslite_get_b4_addr_t_handler (vl_api_dslite_get_b4_addr_t * mp)
2733 snat_main_t *sm = &snat_main;
2734 vl_api_dslite_get_b4_addr_reply_t *rmp;
2735 dslite_main_t *dm = &dslite_main;
2739 REPLY_MACRO2 (VL_API_DSLITE_GET_AFTR_ADDR_REPLY,
2741 memcpy (rmp->ip4_addr, &dm->b4_ip4_addr.as_u8, 4);
2742 memcpy (rmp->ip6_addr, &dm->b4_ip6_addr.as_u8, 16);
2748 vl_api_dslite_get_b4_addr_t_print (vl_api_dslite_get_b4_addr_t * mp,
2753 s = format (0, "SCRIPT: dslite_get_b4_addr");
2759 vl_api_dslite_add_del_pool_addr_range_t_handler
2760 (vl_api_dslite_add_del_pool_addr_range_t * mp)
2762 vl_api_dslite_add_del_pool_addr_range_reply_t *rmp;
2763 snat_main_t *sm = &snat_main;
2764 dslite_main_t *dm = &dslite_main;
2766 ip4_address_t this_addr;
2767 u32 start_host_order, end_host_order;
2771 tmp = (u32 *) mp->start_addr;
2772 start_host_order = clib_host_to_net_u32 (tmp[0]);
2773 tmp = (u32 *) mp->end_addr;
2774 end_host_order = clib_host_to_net_u32 (tmp[0]);
2776 count = (end_host_order - start_host_order) + 1;
2777 memcpy (&this_addr.as_u8, mp->start_addr, 4);
2779 for (i = 0; i < count; i++)
2781 if ((rv = dslite_add_del_pool_addr (dm, &this_addr, mp->is_add)))
2784 increment_v4_address (&this_addr);
2788 REPLY_MACRO (VL_API_DSLITE_ADD_DEL_POOL_ADDR_RANGE_REPLY);
2792 send_dslite_address_details (snat_address_t * ap,
2793 vl_api_registration_t * reg, u32 context)
2795 vl_api_dslite_address_details_t *rmp;
2796 snat_main_t *sm = &snat_main;
2798 rmp = vl_msg_api_alloc (sizeof (*rmp));
2800 memset (rmp, 0, sizeof (*rmp));
2802 rmp->_vl_msg_id = ntohs (VL_API_DSLITE_ADDRESS_DETAILS + sm->msg_id_base);
2803 clib_memcpy (rmp->ip_address, &(ap->addr), 4);
2804 rmp->context = context;
2806 vl_api_send_msg (reg, (u8 *) rmp);
2810 vl_api_dslite_address_dump_t_handler (vl_api_dslite_address_dump_t * mp)
2812 vl_api_registration_t *reg;
2813 dslite_main_t *dm = &dslite_main;
2816 reg = vl_api_client_index_to_registration (mp->client_index);
2821 vec_foreach (ap, dm->addr_pool)
2823 send_dslite_address_details (ap, reg, mp->context);
2829 vl_api_dslite_address_dump_t_print (vl_api_dslite_address_dump_t * mp,
2834 s = format (0, "SCRIPT: dslite_address_dump ");
2839 static void *vl_api_dslite_add_del_pool_addr_range_t_print
2840 (vl_api_dslite_add_del_pool_addr_range_t * mp, void *handle)
2844 s = format (0, "SCRIPT: dslite_add_del_pool_addr_range ");
2845 s = format (s, "%U - %U\n",
2846 format_ip4_address, mp->start_addr,
2847 format_ip4_address, mp->end_addr);
2858 vl_api_nat66_add_del_interface_t_handler (vl_api_nat66_add_del_interface_t *
2861 snat_main_t *sm = &snat_main;
2862 vl_api_nat66_add_del_interface_reply_t *rmp;
2865 VALIDATE_SW_IF_INDEX (mp);
2868 nat66_interface_add_del (ntohl (mp->sw_if_index), mp->is_inside,
2871 BAD_SW_IF_INDEX_LABEL;
2873 REPLY_MACRO (VL_API_NAT66_ADD_DEL_INTERFACE_REPLY);
2877 vl_api_nat66_add_del_interface_t_print (vl_api_nat66_add_del_interface_t * mp,
2882 s = format (0, "SCRIPT: nat66_add_del_interface ");
2883 s = format (s, "sw_if_index %d %s %s",
2884 clib_host_to_net_u32 (mp->sw_if_index),
2885 mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
2891 vl_api_nat66_add_del_static_mapping_t_handler
2892 (vl_api_nat66_add_del_static_mapping_t * mp)
2894 snat_main_t *sm = &snat_main;
2895 vl_api_nat66_add_del_static_mapping_reply_t *rmp;
2896 ip6_address_t l_addr, e_addr;
2899 memcpy (&l_addr.as_u8, mp->local_ip_address, 16);
2900 memcpy (&e_addr.as_u8, mp->external_ip_address, 16);
2903 nat66_static_mapping_add_del (&l_addr, &e_addr,
2904 clib_net_to_host_u32 (mp->vrf_id),
2907 REPLY_MACRO (VL_API_NAT66_ADD_DEL_STATIC_MAPPING_REPLY);
2910 static void *vl_api_nat66_add_del_static_mapping_t_print
2911 (vl_api_nat66_add_del_static_mapping_t * mp, void *handle)
2915 s = format (0, "SCRIPT: nat66_add_del_static_mapping ");
2916 s = format (s, "local_ip_address %U external_ip_address %U vrf_id %d %s",
2917 format_ip6_address, mp->local_ip_address,
2918 format_ip6_address, mp->external_ip_address,
2919 clib_net_to_host_u32 (mp->vrf_id), mp->is_add ? "" : "del");
2924 typedef struct nat66_api_walk_ctx_t_
2928 } nat66_api_walk_ctx_t;
2931 nat66_api_interface_walk (snat_interface_t * i, void *arg)
2933 vl_api_nat66_interface_details_t *rmp;
2934 snat_main_t *sm = &snat_main;
2935 nat66_api_walk_ctx_t *ctx = arg;
2937 rmp = vl_msg_api_alloc (sizeof (*rmp));
2938 memset (rmp, 0, sizeof (*rmp));
2939 rmp->_vl_msg_id = ntohs (VL_API_NAT66_INTERFACE_DETAILS + sm->msg_id_base);
2940 rmp->sw_if_index = ntohl (i->sw_if_index);
2941 rmp->is_inside = nat_interface_is_inside (i);
2942 rmp->context = ctx->context;
2944 vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp);
2950 vl_api_nat66_interface_dump_t_handler (vl_api_nat66_interface_dump_t * mp)
2954 q = vl_api_client_index_to_input_queue (mp->client_index);
2958 nat66_api_walk_ctx_t ctx = {
2960 .context = mp->context,
2963 nat66_interfaces_walk (nat66_api_interface_walk, &ctx);
2967 vl_api_nat66_interface_dump_t_print (vl_api_nat66_interface_dump_t * mp,
2972 s = format (0, "SCRIPT: nat66_interface_dump ");
2978 nat66_api_static_mapping_walk (nat66_static_mapping_t * m, void *arg)
2980 vl_api_nat66_static_mapping_details_t *rmp;
2981 nat66_main_t *nm = &nat66_main;
2982 snat_main_t *sm = &snat_main;
2983 nat66_api_walk_ctx_t *ctx = arg;
2987 fib = fib_table_get (m->fib_index, FIB_PROTOCOL_IP6);
2991 vlib_get_combined_counter (&nm->session_counters, m - nm->sm, &vc);
2993 rmp = vl_msg_api_alloc (sizeof (*rmp));
2994 memset (rmp, 0, sizeof (*rmp));
2996 ntohs (VL_API_NAT66_STATIC_MAPPING_DETAILS + sm->msg_id_base);
2997 clib_memcpy (rmp->local_ip_address, &m->l_addr, 16);
2998 clib_memcpy (rmp->external_ip_address, &m->e_addr, 16);
2999 rmp->vrf_id = ntohl (fib->ft_table_id);
3000 rmp->total_bytes = clib_host_to_net_u64 (vc.bytes);
3001 rmp->total_pkts = clib_host_to_net_u64 (vc.packets);
3002 rmp->context = ctx->context;
3004 vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp);
3010 vl_api_nat66_static_mapping_dump_t_handler (vl_api_nat66_static_mapping_dump_t
3015 q = vl_api_client_index_to_input_queue (mp->client_index);
3019 nat66_api_walk_ctx_t ctx = {
3021 .context = mp->context,
3024 nat66_static_mappings_walk (nat66_api_static_mapping_walk, &ctx);
3028 vl_api_nat66_static_mapping_dump_t_print (vl_api_nat66_static_mapping_dump_t *
3033 s = format (0, "SCRIPT: nat66_static_mapping_dump ");
3039 /* List of message types that this plugin understands */
3040 #define foreach_snat_plugin_api_msg \
3041 _(NAT_CONTROL_PING, nat_control_ping) \
3042 _(NAT_SHOW_CONFIG, nat_show_config) \
3043 _(NAT_SET_WORKERS, nat_set_workers) \
3044 _(NAT_WORKER_DUMP, nat_worker_dump) \
3045 _(NAT_IPFIX_ENABLE_DISABLE, nat_ipfix_enable_disable) \
3046 _(NAT_SET_REASS, nat_set_reass) \
3047 _(NAT_GET_REASS, nat_get_reass) \
3048 _(NAT_REASS_DUMP, nat_reass_dump) \
3049 _(NAT44_ADD_DEL_ADDRESS_RANGE, nat44_add_del_address_range) \
3050 _(NAT44_INTERFACE_ADD_DEL_FEATURE, nat44_interface_add_del_feature) \
3051 _(NAT44_ADD_DEL_STATIC_MAPPING, nat44_add_del_static_mapping) \
3052 _(NAT44_ADD_DEL_IDENTITY_MAPPING, nat44_add_del_identity_mapping) \
3053 _(NAT44_STATIC_MAPPING_DUMP, nat44_static_mapping_dump) \
3054 _(NAT44_IDENTITY_MAPPING_DUMP, nat44_identity_mapping_dump) \
3055 _(NAT44_ADDRESS_DUMP, nat44_address_dump) \
3056 _(NAT44_INTERFACE_DUMP, nat44_interface_dump) \
3057 _(NAT44_ADD_DEL_INTERFACE_ADDR, nat44_add_del_interface_addr) \
3058 _(NAT44_INTERFACE_ADDR_DUMP, nat44_interface_addr_dump) \
3059 _(NAT44_USER_DUMP, nat44_user_dump) \
3060 _(NAT44_USER_SESSION_DUMP, nat44_user_session_dump) \
3061 _(NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE, \
3062 nat44_interface_add_del_output_feature) \
3063 _(NAT44_INTERFACE_OUTPUT_FEATURE_DUMP, \
3064 nat44_interface_output_feature_dump) \
3065 _(NAT44_ADD_DEL_LB_STATIC_MAPPING, nat44_add_del_lb_static_mapping) \
3066 _(NAT44_LB_STATIC_MAPPING_DUMP, nat44_lb_static_mapping_dump) \
3067 _(NAT44_DEL_SESSION, nat44_del_session) \
3068 _(NAT44_FORWARDING_ENABLE_DISABLE, nat44_forwarding_enable_disable) \
3069 _(NAT44_FORWARDING_IS_ENABLED, nat44_forwarding_is_enabled) \
3070 _(NAT_DET_ADD_DEL_MAP, nat_det_add_del_map) \
3071 _(NAT_DET_FORWARD, nat_det_forward) \
3072 _(NAT_DET_REVERSE, nat_det_reverse) \
3073 _(NAT_DET_MAP_DUMP, nat_det_map_dump) \
3074 _(NAT_DET_SET_TIMEOUTS, nat_det_set_timeouts) \
3075 _(NAT_DET_GET_TIMEOUTS, nat_det_get_timeouts) \
3076 _(NAT_DET_CLOSE_SESSION_OUT, nat_det_close_session_out) \
3077 _(NAT_DET_CLOSE_SESSION_IN, nat_det_close_session_in) \
3078 _(NAT_DET_SESSION_DUMP, nat_det_session_dump) \
3079 _(NAT64_ADD_DEL_POOL_ADDR_RANGE, nat64_add_del_pool_addr_range) \
3080 _(NAT64_POOL_ADDR_DUMP, nat64_pool_addr_dump) \
3081 _(NAT64_ADD_DEL_INTERFACE, nat64_add_del_interface) \
3082 _(NAT64_INTERFACE_DUMP, nat64_interface_dump) \
3083 _(NAT64_ADD_DEL_STATIC_BIB, nat64_add_del_static_bib) \
3084 _(NAT64_BIB_DUMP, nat64_bib_dump) \
3085 _(NAT64_SET_TIMEOUTS, nat64_set_timeouts) \
3086 _(NAT64_GET_TIMEOUTS, nat64_get_timeouts) \
3087 _(NAT64_ST_DUMP, nat64_st_dump) \
3088 _(NAT64_ADD_DEL_PREFIX, nat64_add_del_prefix) \
3089 _(NAT64_PREFIX_DUMP, nat64_prefix_dump) \
3090 _(NAT64_ADD_DEL_INTERFACE_ADDR, nat64_add_del_interface_addr) \
3091 _(DSLITE_ADD_DEL_POOL_ADDR_RANGE, dslite_add_del_pool_addr_range) \
3092 _(DSLITE_ADDRESS_DUMP, dslite_address_dump) \
3093 _(DSLITE_SET_AFTR_ADDR, dslite_set_aftr_addr) \
3094 _(DSLITE_GET_AFTR_ADDR, dslite_get_aftr_addr) \
3095 _(DSLITE_SET_B4_ADDR, dslite_set_b4_addr) \
3096 _(DSLITE_GET_B4_ADDR, dslite_get_b4_addr) \
3097 _(NAT66_ADD_DEL_INTERFACE, nat66_add_del_interface) \
3098 _(NAT66_INTERFACE_DUMP, nat66_interface_dump) \
3099 _(NAT66_ADD_DEL_STATIC_MAPPING, nat66_add_del_static_mapping) \
3100 _(NAT66_STATIC_MAPPING_DUMP, nat66_static_mapping_dump)
3102 /* Set up the API message handling tables */
3103 static clib_error_t *
3104 snat_plugin_api_hookup (vlib_main_t * vm)
3106 snat_main_t *sm __attribute__ ((unused)) = &snat_main;
3108 vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
3110 vl_api_##n##_t_handler, \
3112 vl_api_##n##_t_endian, \
3113 vl_api_##n##_t_print, \
3114 sizeof(vl_api_##n##_t), 1);
3115 foreach_snat_plugin_api_msg;
3121 #define vl_msg_name_crc_list
3122 #include <nat/nat_all_api_h.h>
3123 #undef vl_msg_name_crc_list
3126 setup_message_id_table (snat_main_t * sm, api_main_t * am)
3128 #define _(id,n,crc) \
3129 vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
3130 foreach_vl_msg_name_crc_nat;
3135 plugin_custom_dump_configure (snat_main_t * sm)
3137 #define _(n,f) sm->api_main->msg_print_handlers \
3138 [VL_API_##n + sm->msg_id_base] \
3139 = (void *) vl_api_##f##_t_print;
3140 foreach_snat_plugin_api_msg;
3145 snat_api_init (vlib_main_t * vm, snat_main_t * sm)
3148 clib_error_t *error = 0;
3150 name = format (0, "nat_%08x%c", api_version, 0);
3152 /* Ask for a correctly-sized block of API message decode slots */
3154 vl_msg_api_get_msg_ids ((char *) name, VL_MSG_FIRST_AVAILABLE);
3156 error = snat_plugin_api_hookup (vm);
3158 /* Add our API messages to the global name_crc hash table */
3159 setup_message_id_table (sm, sm->api_main);
3161 plugin_custom_dump_configure (sm);
3169 * fd.io coding-style-patch-verification: ON
3172 * eval: (c-set-style "gnu")