2 * Copyright (c) 2020 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 NAT44 plugin API implementation
21 #include <vnet/ip/ip_types_api.h>
22 #include <vlibmemory/api.h>
24 #include <vnet/fib/fib_table.h>
26 #include <nat/lib/nat_inlines.h>
27 #include <nat/lib/ipfix_logging.h>
29 #include <nat/nat44-ed/nat44_ed.h>
31 #include <nat/nat44-ed/nat44_ed.api_enum.h>
32 #include <nat/nat44-ed/nat44_ed.api_types.h>
34 #define REPLY_MSG_ID_BASE sm->msg_id_base
35 #include <vlibapi/api_helper_macros.h>
40 vl_api_nat44_ed_plugin_enable_disable_t_handler (
41 vl_api_nat44_ed_plugin_enable_disable_t *mp)
43 snat_main_t *sm = &snat_main;
44 nat44_config_t c = { 0 };
45 vl_api_nat44_ed_plugin_enable_disable_reply_t *rmp;
50 c.static_mapping_only = mp->flags & NAT44_API_IS_STATIC_MAPPING_ONLY;
51 c.connection_tracking = mp->flags & NAT44_API_IS_CONNECTION_TRACKING;
53 c.inside_vrf = ntohl (mp->inside_vrf);
54 c.outside_vrf = ntohl (mp->outside_vrf);
56 c.sessions = ntohl (mp->sessions);
58 rv = nat44_plugin_enable (c);
62 rv = nat44_plugin_disable ();
65 REPLY_MACRO (VL_API_NAT44_ED_PLUGIN_ENABLE_DISABLE_REPLY);
69 vl_api_nat44_ed_set_fq_options_t_handler (vl_api_nat44_ed_set_fq_options_t *mp)
71 snat_main_t *sm = &snat_main;
72 vl_api_nat44_ed_set_fq_options_reply_t *rmp;
74 u32 frame_queue_nelts = ntohl (mp->frame_queue_nelts);
75 rv = nat44_ed_set_frame_queue_nelts (frame_queue_nelts);
76 REPLY_MACRO (VL_API_NAT44_ED_SET_FQ_OPTIONS_REPLY);
80 vl_api_nat44_ed_show_fq_options_t_handler (
81 vl_api_nat44_ed_show_fq_options_t *mp)
83 snat_main_t *sm = &snat_main;
84 vl_api_nat44_ed_show_fq_options_reply_t *rmp;
86 /* clang-format off */
87 REPLY_MACRO2_ZERO (VL_API_NAT44_ED_SHOW_FQ_OPTIONS_REPLY,
89 rmp->frame_queue_nelts = htonl (sm->frame_queue_nelts);
94 /* Old API calls hold back because of deprecation
95 * nat44_ed replacement should be used */
98 vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp)
100 snat_main_t *sm = &snat_main;
101 vl_api_nat_set_workers_reply_t *rmp;
106 mask = clib_net_to_host_u64 (mp->worker_mask);
108 if (sm->num_workers < 2)
110 rv = VNET_API_ERROR_FEATURE_DISABLED;
114 bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
115 rv = snat_set_workers (bitmap);
116 clib_bitmap_free (bitmap);
119 REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY);
123 send_nat_worker_details (u32 worker_index, vl_api_registration_t * reg,
126 vl_api_nat_worker_details_t *rmp;
127 snat_main_t *sm = &snat_main;
128 vlib_worker_thread_t *w =
129 vlib_worker_threads + worker_index + sm->first_worker_index;
131 rmp = vl_msg_api_alloc (sizeof (*rmp));
132 clib_memset (rmp, 0, sizeof (*rmp));
133 rmp->_vl_msg_id = ntohs (VL_API_NAT_WORKER_DETAILS + sm->msg_id_base);
134 rmp->context = context;
135 rmp->worker_index = htonl (worker_index);
136 rmp->lcore_id = htonl (w->cpu_id);
137 strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1);
139 vl_api_send_msg (reg, (u8 *) rmp);
143 vl_api_nat_worker_dump_t_handler (vl_api_nat_worker_dump_t * mp)
145 vl_api_registration_t *reg;
146 snat_main_t *sm = &snat_main;
149 reg = vl_api_client_index_to_registration (mp->client_index);
153 vec_foreach (worker_index, sm->workers)
155 send_nat_worker_details (*worker_index, reg, mp->context);
160 vl_api_nat44_set_session_limit_t_handler (vl_api_nat44_set_session_limit_t *
163 snat_main_t *sm = &snat_main;
164 vl_api_nat44_set_session_limit_reply_t *rmp;
167 rv = nat44_set_session_limit
168 (ntohl (mp->session_limit), ntohl (mp->vrf_id));
170 REPLY_MACRO (VL_API_NAT44_SET_SESSION_LIMIT_REPLY);
174 vl_api_nat_set_log_level_t_handler (vl_api_nat_set_log_level_t * mp)
176 snat_main_t *sm = &snat_main;
177 vl_api_nat_set_log_level_reply_t *rmp;
180 if (sm->log_level > NAT_LOG_DEBUG)
181 rv = VNET_API_ERROR_UNSUPPORTED;
183 sm->log_level = mp->log_level;
185 REPLY_MACRO (VL_API_NAT_SET_WORKERS_REPLY);
189 vl_api_nat_ipfix_enable_disable_t_handler (vl_api_nat_ipfix_enable_disable_t *
192 snat_main_t *sm = &snat_main;
193 vl_api_nat_ipfix_enable_disable_reply_t *rmp;
196 rv = nat_ipfix_logging_enable_disable (mp->enable,
199 clib_host_to_net_u16 (mp->src_port));
201 REPLY_MACRO (VL_API_NAT_IPFIX_ENABLE_DISABLE_REPLY);
205 vl_api_nat_set_timeouts_t_handler (vl_api_nat_set_timeouts_t * mp)
207 snat_main_t *sm = &snat_main;
208 vl_api_nat_set_timeouts_reply_t *rmp;
211 sm->timeouts.udp = ntohl (mp->udp);
212 sm->timeouts.tcp.established = ntohl (mp->tcp_established);
213 sm->timeouts.tcp.transitory = ntohl (mp->tcp_transitory);
214 sm->timeouts.icmp = ntohl (mp->icmp);
216 REPLY_MACRO (VL_API_NAT_SET_TIMEOUTS_REPLY);
220 vl_api_nat_get_timeouts_t_handler (vl_api_nat_get_timeouts_t * mp)
222 snat_main_t *sm = &snat_main;
223 vl_api_nat_get_timeouts_reply_t *rmp;
226 REPLY_MACRO2 (VL_API_NAT_GET_TIMEOUTS_REPLY,
228 rmp->udp = htonl (sm->timeouts.udp);
229 rmp->tcp_established = htonl (sm->timeouts.tcp.established);
230 rmp->tcp_transitory = htonl (sm->timeouts.tcp.transitory);
231 rmp->icmp = htonl (sm->timeouts.icmp);
236 vl_api_nat_set_mss_clamping_t_handler (vl_api_nat_set_mss_clamping_t * mp)
238 snat_main_t *sm = &snat_main;
239 vl_api_nat_set_mss_clamping_reply_t *rmp;
243 sm->mss_clamping = ntohs (mp->mss_value);
245 sm->mss_clamping = 0;
247 REPLY_MACRO (VL_API_NAT_SET_MSS_CLAMPING_REPLY);
251 vl_api_nat_get_mss_clamping_t_handler (vl_api_nat_get_mss_clamping_t * mp)
253 snat_main_t *sm = &snat_main;
254 vl_api_nat_get_mss_clamping_reply_t *rmp;
257 REPLY_MACRO2 (VL_API_NAT_GET_MSS_CLAMPING_REPLY,
259 rmp->enable = sm->mss_clamping ? 1 : 0;
260 rmp->mss_value = htons (sm->mss_clamping);
265 vl_api_nat44_add_del_address_range_t_handler
266 (vl_api_nat44_add_del_address_range_t * mp)
268 snat_main_t *sm = &snat_main;
269 vl_api_nat44_add_del_address_range_reply_t *rmp;
270 ip4_address_t this_addr;
271 u8 is_add, twice_nat;
272 u32 start_host_order, end_host_order;
278 if (sm->static_mapping_only)
280 rv = VNET_API_ERROR_FEATURE_DISABLED;
285 twice_nat = mp->flags & NAT_API_IS_TWICE_NAT;
287 tmp = (u32 *) mp->first_ip_address;
288 start_host_order = clib_host_to_net_u32 (tmp[0]);
289 tmp = (u32 *) mp->last_ip_address;
290 end_host_order = clib_host_to_net_u32 (tmp[0]);
292 count = (end_host_order - start_host_order) + 1;
294 vrf_id = clib_host_to_net_u32 (mp->vrf_id);
297 nat_log_info ("%U - %U, %d addresses...",
298 format_ip4_address, mp->first_ip_address,
299 format_ip4_address, mp->last_ip_address, count);
301 memcpy (&this_addr.as_u8, mp->first_ip_address, 4);
303 for (i = 0; i < count; i++)
306 rv = snat_add_address (sm, &this_addr, vrf_id, twice_nat);
308 rv = snat_del_address (sm, this_addr, 0, twice_nat);
313 increment_v4_address (&this_addr);
317 REPLY_MACRO (VL_API_NAT44_ADD_DEL_ADDRESS_RANGE_REPLY);
321 send_nat44_address_details (snat_address_t * a,
322 vl_api_registration_t * reg, u32 context,
325 vl_api_nat44_address_details_t *rmp;
326 snat_main_t *sm = &snat_main;
328 rmp = vl_msg_api_alloc (sizeof (*rmp));
329 clib_memset (rmp, 0, sizeof (*rmp));
330 rmp->_vl_msg_id = ntohs (VL_API_NAT44_ADDRESS_DETAILS + sm->msg_id_base);
331 clib_memcpy (rmp->ip_address, &(a->addr), 4);
332 if (a->fib_index != ~0)
334 fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4);
335 rmp->vrf_id = ntohl (fib->ft_table_id);
340 rmp->flags |= NAT_API_IS_TWICE_NAT;
341 rmp->context = context;
343 vl_api_send_msg (reg, (u8 *) rmp);
347 vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp)
349 vl_api_registration_t *reg;
350 snat_main_t *sm = &snat_main;
353 reg = vl_api_client_index_to_registration (mp->client_index);
357 vec_foreach (a, sm->addresses)
358 send_nat44_address_details (a, reg, mp->context, 0);
359 vec_foreach (a, sm->twice_nat_addresses)
360 send_nat44_address_details (a, reg, mp->context, 1);
364 vl_api_nat44_interface_add_del_feature_t_handler
365 (vl_api_nat44_interface_add_del_feature_t * mp)
367 snat_main_t *sm = &snat_main;
368 vl_api_nat44_interface_add_del_feature_reply_t *rmp;
369 u32 sw_if_index = ntohl (mp->sw_if_index);
373 is_del = !mp->is_add;
375 VALIDATE_SW_IF_INDEX (mp);
378 snat_interface_add_del (sw_if_index, mp->flags & NAT_API_IS_INSIDE,
381 BAD_SW_IF_INDEX_LABEL;
383 REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_FEATURE_REPLY);
387 send_nat44_interface_details (snat_interface_t * i,
388 vl_api_registration_t * reg, u32 context)
390 vl_api_nat44_interface_details_t *rmp;
391 snat_main_t *sm = &snat_main;
393 rmp = vl_msg_api_alloc (sizeof (*rmp));
394 clib_memset (rmp, 0, sizeof (*rmp));
395 rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base);
396 rmp->sw_if_index = ntohl (i->sw_if_index);
398 if (nat_interface_is_inside (i))
399 rmp->flags |= NAT_API_IS_INSIDE;
400 if (nat_interface_is_outside (i))
401 rmp->flags |= NAT_API_IS_OUTSIDE;
403 rmp->context = context;
405 vl_api_send_msg (reg, (u8 *) rmp);
409 vl_api_nat44_interface_dump_t_handler (vl_api_nat44_interface_dump_t * mp)
411 vl_api_registration_t *reg;
412 snat_main_t *sm = &snat_main;
415 reg = vl_api_client_index_to_registration (mp->client_index);
419 pool_foreach (i, sm->interfaces)
421 send_nat44_interface_details(i, reg, mp->context);
426 vl_api_nat44_interface_add_del_output_feature_t_handler
427 (vl_api_nat44_interface_add_del_output_feature_t * mp)
429 snat_main_t *sm = &snat_main;
430 vl_api_nat44_interface_add_del_output_feature_reply_t *rmp;
431 u32 sw_if_index = ntohl (mp->sw_if_index);
434 VALIDATE_SW_IF_INDEX (mp);
436 rv = snat_interface_add_del_output_feature (sw_if_index,
437 mp->flags & NAT_API_IS_INSIDE,
440 BAD_SW_IF_INDEX_LABEL;
441 REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY);
445 send_nat44_interface_output_feature_details (snat_interface_t * i,
446 vl_api_registration_t * reg,
449 vl_api_nat44_interface_output_feature_details_t *rmp;
450 snat_main_t *sm = &snat_main;
452 rmp = vl_msg_api_alloc (sizeof (*rmp));
453 clib_memset (rmp, 0, sizeof (*rmp));
455 ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base);
456 rmp->sw_if_index = ntohl (i->sw_if_index);
457 rmp->context = context;
459 if (nat_interface_is_inside (i))
460 rmp->flags |= NAT_API_IS_INSIDE;
462 vl_api_send_msg (reg, (u8 *) rmp);
466 vl_api_nat44_interface_output_feature_dump_t_handler
467 (vl_api_nat44_interface_output_feature_dump_t * mp)
469 vl_api_registration_t *reg;
470 snat_main_t *sm = &snat_main;
473 reg = vl_api_client_index_to_registration (mp->client_index);
477 pool_foreach (i, sm->output_feature_interfaces)
479 send_nat44_interface_output_feature_details (i, reg, mp->context);
484 vl_api_nat44_add_del_static_mapping_t_handler
485 (vl_api_nat44_add_del_static_mapping_t * mp)
487 snat_main_t *sm = &snat_main;
488 vl_api_nat44_add_del_static_mapping_reply_t *rmp;
489 ip4_address_t local_addr, external_addr, pool_addr = { 0 };
490 u16 local_port = 0, external_port = 0;
491 u32 vrf_id, external_sw_if_index;
492 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
494 nat_protocol_t proto;
497 memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
498 memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
500 if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
502 local_port = mp->local_port;
503 external_port = mp->external_port;
506 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
507 external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
508 proto = ip_proto_to_nat_proto (mp->protocol);
510 if (mp->flags & NAT_API_IS_TWICE_NAT)
511 twice_nat = TWICE_NAT;
512 else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
513 twice_nat = TWICE_NAT_SELF;
514 mp->tag[sizeof (mp->tag) - 1] = 0;
515 tag = format (0, "%s", mp->tag);
516 vec_terminate_c_string (tag);
518 rv = snat_add_static_mapping (
519 local_addr, external_addr, local_port, external_port, vrf_id,
520 mp->flags & NAT_API_IS_ADDR_ONLY, external_sw_if_index, proto, mp->is_add,
521 twice_nat, mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0, pool_addr, 0);
524 REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY);
528 vl_api_nat44_add_del_static_mapping_v2_t_handler
529 (vl_api_nat44_add_del_static_mapping_v2_t * mp)
531 snat_main_t *sm = &snat_main;
532 vl_api_nat44_add_del_static_mapping_v2_reply_t *rmp;
533 ip4_address_t local_addr, external_addr, pool_addr;
534 u16 local_port = 0, external_port = 0;
535 u32 vrf_id, external_sw_if_index;
536 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
538 nat_protocol_t proto;
541 memcpy (&pool_addr.as_u8, mp->pool_ip_address, 4);
542 memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
543 memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
545 if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
547 local_port = mp->local_port;
548 external_port = mp->external_port;
551 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
552 external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
553 proto = ip_proto_to_nat_proto (mp->protocol);
555 if (mp->flags & NAT_API_IS_TWICE_NAT)
556 twice_nat = TWICE_NAT;
557 else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
558 twice_nat = TWICE_NAT_SELF;
559 mp->tag[sizeof (mp->tag) - 1] = 0;
560 tag = format (0, "%s", mp->tag);
561 vec_terminate_c_string (tag);
563 rv = snat_add_static_mapping (local_addr, external_addr, local_port,
564 external_port, vrf_id,
565 mp->flags & NAT_API_IS_ADDR_ONLY,
566 external_sw_if_index, proto,
567 mp->is_add, twice_nat,
568 mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0,
569 pool_addr, mp->match_pool);
572 REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_V2_REPLY);
576 send_nat44_static_mapping_details (snat_static_mapping_t * m,
577 vl_api_registration_t * reg, u32 context)
579 vl_api_nat44_static_mapping_details_t *rmp;
580 snat_main_t *sm = &snat_main;
581 u32 len = sizeof (*rmp);
583 rmp = vl_msg_api_alloc (len);
584 clib_memset (rmp, 0, len);
586 ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
588 clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
589 clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
590 rmp->external_sw_if_index = ~0;
591 rmp->vrf_id = htonl (m->vrf_id);
592 rmp->context = context;
594 if (m->twice_nat == TWICE_NAT)
595 rmp->flags |= NAT_API_IS_TWICE_NAT;
596 else if (m->twice_nat == TWICE_NAT_SELF)
597 rmp->flags |= NAT_API_IS_SELF_TWICE_NAT;
599 if (is_out2in_only_static_mapping (m))
600 rmp->flags |= NAT_API_IS_OUT2IN_ONLY;
602 if (is_addr_only_static_mapping (m))
604 rmp->flags |= NAT_API_IS_ADDR_ONLY;
608 rmp->protocol = nat_proto_to_ip_proto (m->proto);
609 rmp->external_port = m->external_port;
610 rmp->local_port = m->local_port;
614 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
616 vl_api_send_msg (reg, (u8 *) rmp);
620 send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m,
621 vl_api_registration_t * reg,
624 vl_api_nat44_static_mapping_details_t *rmp;
625 snat_main_t *sm = &snat_main;
627 rmp = vl_msg_api_alloc (sizeof (*rmp));
628 clib_memset (rmp, 0, sizeof (*rmp));
630 ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
631 clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4);
632 rmp->external_sw_if_index = htonl (m->sw_if_index);
633 rmp->vrf_id = htonl (m->vrf_id);
634 rmp->context = context;
637 rmp->flags |= NAT_API_IS_TWICE_NAT;
641 rmp->flags |= NAT_API_IS_ADDR_ONLY;
645 rmp->protocol = nat_proto_to_ip_proto (m->proto);
646 rmp->external_port = m->e_port;
647 rmp->local_port = m->l_port;
650 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
652 vl_api_send_msg (reg, (u8 *) rmp);
656 vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t
659 vl_api_registration_t *reg;
660 snat_main_t *sm = &snat_main;
661 snat_static_mapping_t *m;
662 snat_static_map_resolve_t *rp;
665 reg = vl_api_client_index_to_registration (mp->client_index);
669 pool_foreach (m, sm->static_mappings)
671 if (!is_identity_static_mapping(m) && !is_lb_static_mapping (m))
672 send_nat44_static_mapping_details (m, reg, mp->context);
675 for (j = 0; j < vec_len (sm->to_resolve); j++)
677 rp = sm->to_resolve + j;
678 if (!rp->identity_nat)
679 send_nat44_static_map_resolve_details (rp, reg, mp->context);
684 vl_api_nat44_add_del_identity_mapping_t_handler
685 (vl_api_nat44_add_del_identity_mapping_t * mp)
687 snat_main_t *sm = &snat_main;
688 vl_api_nat44_add_del_identity_mapping_reply_t *rmp;
689 ip4_address_t addr, pool_addr = { 0 };
691 u32 vrf_id, sw_if_index;
693 nat_protocol_t proto = NAT_PROTOCOL_OTHER;
696 if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
699 proto = ip_proto_to_nat_proto (mp->protocol);
701 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
702 sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
703 if (sw_if_index != ~0)
706 memcpy (&addr.as_u8, mp->ip_address, 4);
707 mp->tag[sizeof (mp->tag) - 1] = 0;
708 tag = format (0, "%s", mp->tag);
709 vec_terminate_c_string (tag);
712 snat_add_static_mapping (addr, addr, port, port, vrf_id,
713 mp->flags & NAT_API_IS_ADDR_ONLY, sw_if_index,
714 proto, mp->is_add, 0, 0, tag, 1, pool_addr, 0);
717 REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY);
721 send_nat44_identity_mapping_details (snat_static_mapping_t * m, int index,
722 vl_api_registration_t * reg, u32 context)
724 vl_api_nat44_identity_mapping_details_t *rmp;
725 snat_main_t *sm = &snat_main;
726 nat44_lb_addr_port_t *local = pool_elt_at_index (m->locals, index);
728 rmp = vl_msg_api_alloc (sizeof (*rmp));
729 clib_memset (rmp, 0, sizeof (*rmp));
731 ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
733 if (is_addr_only_static_mapping (m))
734 rmp->flags |= NAT_API_IS_ADDR_ONLY;
736 clib_memcpy (rmp->ip_address, &(m->local_addr), 4);
737 rmp->port = m->local_port;
738 rmp->sw_if_index = ~0;
739 rmp->vrf_id = htonl (local->vrf_id);
740 rmp->protocol = nat_proto_to_ip_proto (m->proto);
741 rmp->context = context;
743 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
745 vl_api_send_msg (reg, (u8 *) rmp);
749 send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m,
750 vl_api_registration_t * reg,
753 vl_api_nat44_identity_mapping_details_t *rmp;
754 snat_main_t *sm = &snat_main;
756 rmp = vl_msg_api_alloc (sizeof (*rmp));
757 clib_memset (rmp, 0, sizeof (*rmp));
759 ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
762 rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_ADDR_ONLY;
764 rmp->port = m->l_port;
765 rmp->sw_if_index = htonl (m->sw_if_index);
766 rmp->vrf_id = htonl (m->vrf_id);
767 rmp->protocol = nat_proto_to_ip_proto (m->proto);
768 rmp->context = context;
770 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
772 vl_api_send_msg (reg, (u8 *) rmp);
776 vl_api_nat44_identity_mapping_dump_t_handler
777 (vl_api_nat44_identity_mapping_dump_t * mp)
779 vl_api_registration_t *reg;
780 snat_main_t *sm = &snat_main;
781 snat_static_mapping_t *m;
782 snat_static_map_resolve_t *rp;
785 reg = vl_api_client_index_to_registration (mp->client_index);
789 pool_foreach (m, sm->static_mappings)
791 if (is_identity_static_mapping(m) && !is_lb_static_mapping (m))
793 pool_foreach_index (j, m->locals)
795 send_nat44_identity_mapping_details (m, j, reg, mp->context);
800 for (j = 0; j < vec_len (sm->to_resolve); j++)
802 rp = sm->to_resolve + j;
803 if (rp->identity_nat)
804 send_nat44_identity_map_resolve_details (rp, reg, mp->context);
809 vl_api_nat44_add_del_interface_addr_t_handler
810 (vl_api_nat44_add_del_interface_addr_t * mp)
812 snat_main_t *sm = &snat_main;
813 vl_api_nat44_add_del_interface_addr_reply_t *rmp;
814 u32 sw_if_index = ntohl (mp->sw_if_index);
818 if (sm->static_mapping_only)
820 rv = VNET_API_ERROR_FEATURE_DISABLED;
824 is_del = !mp->is_add;
826 VALIDATE_SW_IF_INDEX (mp);
828 rv = snat_add_interface_address (sm, sw_if_index, is_del,
829 mp->flags & NAT_API_IS_TWICE_NAT);
831 BAD_SW_IF_INDEX_LABEL;
834 REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY);
838 send_nat44_interface_addr_details (u32 sw_if_index,
839 vl_api_registration_t * reg, u32 context,
842 vl_api_nat44_interface_addr_details_t *rmp;
843 snat_main_t *sm = &snat_main;
845 rmp = vl_msg_api_alloc (sizeof (*rmp));
846 clib_memset (rmp, 0, sizeof (*rmp));
848 ntohs (VL_API_NAT44_INTERFACE_ADDR_DETAILS + sm->msg_id_base);
849 rmp->sw_if_index = ntohl (sw_if_index);
852 rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_TWICE_NAT;
853 rmp->context = context;
855 vl_api_send_msg (reg, (u8 *) rmp);
859 vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t
862 vl_api_registration_t *reg;
863 snat_main_t *sm = &snat_main;
866 reg = vl_api_client_index_to_registration (mp->client_index);
870 vec_foreach (i, sm->auto_add_sw_if_indices)
872 send_nat44_interface_addr_details (*i, reg, mp->context, 0);
874 vec_foreach (i, sm->auto_add_sw_if_indices_twice_nat)
876 send_nat44_interface_addr_details (*i, reg, mp->context, 1);
880 static nat44_lb_addr_port_t *
881 unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t *addr_port_pairs,
882 u32 addr_port_pair_num)
885 nat44_lb_addr_port_t *lb_addr_port_pairs = 0, lb_addr_port;
886 vl_api_nat44_lb_addr_port_t *ap;
888 for (i = 0; i < addr_port_pair_num; i++)
890 ap = &addr_port_pairs[i];
891 clib_memset (&lb_addr_port, 0, sizeof (lb_addr_port));
892 clib_memcpy (&lb_addr_port.addr, ap->addr, 4);
893 lb_addr_port.port = ap->port;
894 lb_addr_port.probability = ap->probability;
895 lb_addr_port.vrf_id = clib_net_to_host_u32 (ap->vrf_id);
896 vec_add1 (lb_addr_port_pairs, lb_addr_port);
899 return lb_addr_port_pairs;
903 vl_api_nat44_add_del_lb_static_mapping_t_handler (
904 vl_api_nat44_add_del_lb_static_mapping_t *mp)
906 snat_main_t *sm = &snat_main;
907 vl_api_nat44_add_del_lb_static_mapping_reply_t *rmp;
908 twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
910 nat44_lb_addr_port_t *locals = 0;
911 ip4_address_t e_addr;
912 nat_protocol_t proto;
915 locals = unformat_nat44_lb_addr_port (mp->locals,
916 clib_net_to_host_u32 (mp->local_num));
917 clib_memcpy (&e_addr, mp->external_addr, 4);
918 proto = ip_proto_to_nat_proto (mp->protocol);
920 if (mp->flags & NAT_API_IS_TWICE_NAT)
921 twice_nat = TWICE_NAT;
922 else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
923 twice_nat = TWICE_NAT_SELF;
924 mp->tag[sizeof (mp->tag) - 1] = 0;
925 tag = format (0, "%s", mp->tag);
926 vec_terminate_c_string (tag);
928 rv = nat44_add_del_lb_static_mapping (
929 e_addr, mp->external_port, proto, locals, mp->is_add, twice_nat,
930 mp->flags & NAT_API_IS_OUT2IN_ONLY, tag,
931 clib_net_to_host_u32 (mp->affinity));
935 REPLY_MACRO (VL_API_NAT44_ADD_DEL_LB_STATIC_MAPPING_REPLY);
939 vl_api_nat44_lb_static_mapping_add_del_local_t_handler (
940 vl_api_nat44_lb_static_mapping_add_del_local_t *mp)
942 snat_main_t *sm = &snat_main;
943 vl_api_nat44_lb_static_mapping_add_del_local_reply_t *rmp;
945 ip4_address_t e_addr, l_addr;
946 nat_protocol_t proto;
948 clib_memcpy (&e_addr, mp->external_addr, 4);
949 clib_memcpy (&l_addr, mp->local.addr, 4);
950 proto = ip_proto_to_nat_proto (mp->protocol);
952 rv = nat44_lb_static_mapping_add_del_local (
953 e_addr, mp->external_port, l_addr, mp->local.port, proto,
954 clib_net_to_host_u32 (mp->local.vrf_id), mp->local.probability,
957 REPLY_MACRO (VL_API_NAT44_LB_STATIC_MAPPING_ADD_DEL_LOCAL_REPLY);
961 send_nat44_lb_static_mapping_details (snat_static_mapping_t *m,
962 vl_api_registration_t *reg, u32 context)
964 vl_api_nat44_lb_static_mapping_details_t *rmp;
965 snat_main_t *sm = &snat_main;
966 nat44_lb_addr_port_t *ap;
967 vl_api_nat44_lb_addr_port_t *locals;
970 rmp = vl_msg_api_alloc (
971 sizeof (*rmp) + (pool_elts (m->locals) * sizeof (nat44_lb_addr_port_t)));
972 clib_memset (rmp, 0, sizeof (*rmp));
974 ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base);
976 clib_memcpy (rmp->external_addr, &(m->external_addr), 4);
977 rmp->external_port = m->external_port;
978 rmp->protocol = nat_proto_to_ip_proto (m->proto);
979 rmp->context = context;
981 if (m->twice_nat == TWICE_NAT)
982 rmp->flags |= NAT_API_IS_TWICE_NAT;
983 else if (m->twice_nat == TWICE_NAT_SELF)
984 rmp->flags |= NAT_API_IS_SELF_TWICE_NAT;
985 if (is_out2in_only_static_mapping (m))
986 rmp->flags |= NAT_API_IS_OUT2IN_ONLY;
988 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
990 locals = (vl_api_nat44_lb_addr_port_t *) rmp->locals;
991 pool_foreach (ap, m->locals)
993 clib_memcpy (locals->addr, &(ap->addr), 4);
994 locals->port = ap->port;
995 locals->probability = ap->probability;
996 locals->vrf_id = ntohl (ap->vrf_id);
1000 rmp->local_num = ntohl (local_num);
1002 vl_api_send_msg (reg, (u8 *) rmp);
1006 vl_api_nat44_lb_static_mapping_dump_t_handler (
1007 vl_api_nat44_lb_static_mapping_dump_t *mp)
1009 vl_api_registration_t *reg;
1010 snat_main_t *sm = &snat_main;
1011 snat_static_mapping_t *m;
1013 reg = vl_api_client_index_to_registration (mp->client_index);
1017 pool_foreach (m, sm->static_mappings)
1019 if (is_lb_static_mapping (m))
1020 send_nat44_lb_static_mapping_details (m, reg, mp->context);
1025 vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t *mp)
1027 snat_main_t *sm = &snat_main;
1028 vl_api_nat44_del_session_reply_t *rmp;
1029 ip4_address_t addr, eh_addr;
1035 memcpy (&addr.as_u8, mp->address, 4);
1037 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
1038 memcpy (&eh_addr.as_u8, mp->ext_host_address, 4);
1039 eh_port = mp->ext_host_port;
1041 is_in = mp->flags & NAT_API_IS_INSIDE;
1043 rv = nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, mp->protocol,
1046 REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY);
1050 vl_api_nat44_forwarding_enable_disable_t_handler (
1051 vl_api_nat44_forwarding_enable_disable_t *mp)
1053 vl_api_nat44_forwarding_enable_disable_reply_t *rmp;
1054 snat_main_t *sm = &snat_main;
1056 nat44_ed_forwarding_enable_disable (mp->enable);
1057 REPLY_MACRO (VL_API_NAT44_FORWARDING_ENABLE_DISABLE_REPLY);
1061 vl_api_nat44_forwarding_is_enabled_t_handler (
1062 vl_api_nat44_forwarding_is_enabled_t *mp)
1064 vl_api_registration_t *reg;
1065 snat_main_t *sm = &snat_main;
1066 vl_api_nat44_forwarding_is_enabled_reply_t *rmp;
1068 reg = vl_api_client_index_to_registration (mp->client_index);
1072 rmp = vl_msg_api_alloc (sizeof (*rmp));
1073 clib_memset (rmp, 0, sizeof (*rmp));
1075 ntohs (VL_API_NAT44_FORWARDING_IS_ENABLED_REPLY + sm->msg_id_base);
1076 rmp->context = mp->context;
1078 rmp->enabled = sm->forwarding_enabled;
1080 vl_api_send_msg (reg, (u8 *) rmp);
1083 /* Obsolete calls hold back because of deprecation
1084 * should not be used */
1087 vl_api_nat_set_addr_and_port_alloc_alg_t_handler (
1088 vl_api_nat_set_addr_and_port_alloc_alg_t *mp)
1090 snat_main_t *sm = &snat_main;
1091 vl_api_nat_set_addr_and_port_alloc_alg_reply_t *rmp;
1092 int rv = VNET_API_ERROR_UNSUPPORTED;
1093 REPLY_MACRO (VL_API_NAT_SET_ADDR_AND_PORT_ALLOC_ALG_REPLY);
1097 vl_api_nat_get_addr_and_port_alloc_alg_t_handler (
1098 vl_api_nat_get_addr_and_port_alloc_alg_t *mp)
1100 snat_main_t *sm = &snat_main;
1101 vl_api_nat_get_addr_and_port_alloc_alg_reply_t *rmp;
1102 int rv = VNET_API_ERROR_UNSUPPORTED;
1103 REPLY_MACRO (VL_API_NAT_GET_ADDR_AND_PORT_ALLOC_ALG_REPLY);
1107 vl_api_nat_ha_set_listener_t_handler (vl_api_nat_ha_set_listener_t *mp)
1109 snat_main_t *sm = &snat_main;
1110 vl_api_nat_ha_set_listener_reply_t *rmp;
1111 int rv = VNET_API_ERROR_UNSUPPORTED;
1112 REPLY_MACRO (VL_API_NAT_HA_SET_LISTENER_REPLY);
1116 vl_api_nat_ha_get_listener_t_handler (vl_api_nat_ha_get_listener_t *mp)
1118 snat_main_t *sm = &snat_main;
1119 vl_api_nat_ha_get_listener_reply_t *rmp;
1120 int rv = VNET_API_ERROR_UNSUPPORTED;
1121 REPLY_MACRO (VL_API_NAT_HA_GET_LISTENER_REPLY);
1125 vl_api_nat_ha_set_failover_t_handler (vl_api_nat_ha_set_failover_t *mp)
1127 snat_main_t *sm = &snat_main;
1128 vl_api_nat_ha_set_failover_reply_t *rmp;
1129 int rv = VNET_API_ERROR_UNSUPPORTED;
1130 REPLY_MACRO (VL_API_NAT_HA_SET_FAILOVER_REPLY);
1134 vl_api_nat_ha_get_failover_t_handler (vl_api_nat_ha_get_failover_t *mp)
1136 snat_main_t *sm = &snat_main;
1137 vl_api_nat_ha_get_failover_reply_t *rmp;
1138 int rv = VNET_API_ERROR_UNSUPPORTED;
1139 REPLY_MACRO (VL_API_NAT_HA_GET_FAILOVER_REPLY);
1143 vl_api_nat_ha_flush_t_handler (vl_api_nat_ha_flush_t *mp)
1145 snat_main_t *sm = &snat_main;
1146 vl_api_nat_ha_flush_reply_t *rmp;
1147 int rv = VNET_API_ERROR_UNSUPPORTED;
1148 REPLY_MACRO (VL_API_NAT_HA_FLUSH_REPLY);
1152 vl_api_nat_ha_resync_t_handler (vl_api_nat_ha_resync_t *mp)
1154 snat_main_t *sm = &snat_main;
1155 vl_api_nat_ha_resync_reply_t *rmp;
1156 int rv = VNET_API_ERROR_UNSUPPORTED;
1157 REPLY_MACRO (VL_API_NAT_HA_RESYNC_REPLY);
1161 vl_api_nat44_del_user_t_handler (vl_api_nat44_del_user_t *mp)
1163 snat_main_t *sm = &snat_main;
1164 vl_api_nat44_del_user_reply_t *rmp;
1165 int rv = VNET_API_ERROR_UNSUPPORTED;
1166 REPLY_MACRO (VL_API_NAT44_DEL_USER_REPLY);
1170 vl_api_nat44_session_cleanup_t_handler (vl_api_nat44_session_cleanup_t *mp)
1172 snat_main_t *sm = &snat_main;
1173 vl_api_nat44_session_cleanup_reply_t *rmp;
1174 int rv = VNET_API_ERROR_UNSUPPORTED;
1175 REPLY_MACRO (VL_API_NAT44_SESSION_CLEANUP_REPLY);
1179 vl_api_nat44_plugin_enable_disable_t_handler (
1180 vl_api_nat44_plugin_enable_disable_t *mp)
1182 snat_main_t *sm = &snat_main;
1183 nat44_config_t c = { 0 };
1184 vl_api_nat44_plugin_enable_disable_reply_t *rmp;
1189 if (!(mp->flags & NAT44_API_IS_ENDPOINT_DEPENDENT) ||
1190 (mp->flags & NAT44_API_IS_OUT2IN_DPO) || mp->users ||
1193 rv = VNET_API_ERROR_UNSUPPORTED;
1197 c.static_mapping_only = mp->flags & NAT44_API_IS_STATIC_MAPPING_ONLY;
1198 c.connection_tracking = mp->flags & NAT44_API_IS_CONNECTION_TRACKING;
1200 c.inside_vrf = ntohl (mp->inside_vrf);
1201 c.outside_vrf = ntohl (mp->outside_vrf);
1203 c.sessions = ntohl (mp->sessions);
1205 rv = nat44_plugin_enable (c);
1210 rv = nat44_plugin_disable ();
1213 REPLY_MACRO (VL_API_NAT44_PLUGIN_ENABLE_DISABLE_REPLY);
1217 vl_api_nat_control_ping_t_handler (vl_api_nat_control_ping_t *mp)
1219 vl_api_nat_control_ping_reply_t *rmp;
1220 snat_main_t *sm = &snat_main;
1223 REPLY_MACRO2 (VL_API_NAT_CONTROL_PING_REPLY,
1224 ({ rmp->vpe_pid = ntohl (getpid ()); }));
1228 vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t *mp)
1230 vl_api_nat_show_config_reply_t *rmp;
1231 snat_main_t *sm = &snat_main;
1234 REPLY_MACRO2_ZERO (VL_API_NAT_SHOW_CONFIG_REPLY, ({
1235 rmp->translation_buckets =
1236 htonl (sm->translation_buckets);
1237 rmp->user_buckets = 0;
1238 rmp->max_translations_per_user = 0;
1239 rmp->outside_vrf_id = htonl (sm->outside_vrf_id);
1240 rmp->inside_vrf_id = htonl (sm->inside_vrf_id);
1241 rmp->static_mapping_only = sm->static_mapping_only;
1242 rmp->static_mapping_connection_tracking =
1243 sm->static_mapping_connection_tracking;
1244 rmp->endpoint_dependent = 1;
1245 rmp->out2in_dpo = 0;
1250 vl_api_nat_show_config_2_t_handler (vl_api_nat_show_config_2_t *mp)
1252 vl_api_nat_show_config_2_reply_t *rmp;
1253 snat_main_t *sm = &snat_main;
1257 VL_API_NAT_SHOW_CONFIG_2_REPLY, ({
1258 rmp->translation_buckets = htonl (sm->translation_buckets);
1259 rmp->user_buckets = 0;
1260 rmp->max_translations_per_user = 0;
1261 rmp->outside_vrf_id = htonl (sm->outside_vrf_id);
1262 rmp->inside_vrf_id = htonl (sm->inside_vrf_id);
1263 rmp->static_mapping_only = sm->static_mapping_only;
1264 rmp->static_mapping_connection_tracking =
1265 sm->static_mapping_connection_tracking;
1266 rmp->endpoint_dependent = 1;
1267 rmp->out2in_dpo = 0;
1268 rmp->max_translations_per_thread =
1269 clib_net_to_host_u32 (sm->max_translations_per_thread);
1270 rmp->max_users_per_thread = 0;
1275 vl_api_nat44_show_running_config_t_handler (
1276 vl_api_nat44_show_running_config_t *mp)
1278 vl_api_nat44_show_running_config_reply_t *rmp;
1279 snat_main_t *sm = &snat_main;
1280 nat44_config_t *rc = &sm->rconfig;
1284 VL_API_NAT44_SHOW_RUNNING_CONFIG_REPLY, ({
1285 rmp->inside_vrf = htonl (rc->inside_vrf);
1286 rmp->outside_vrf = htonl (rc->outside_vrf);
1288 rmp->sessions = htonl (rc->sessions);
1289 rmp->translation_buckets = htonl (sm->translation_buckets);
1293 rmp->user_buckets = 0;
1294 rmp->user_sessions = 0;
1296 rmp->timeouts.udp = htonl (sm->timeouts.udp);
1297 rmp->timeouts.tcp_established = htonl (sm->timeouts.tcp.established);
1298 rmp->timeouts.tcp_transitory = htonl (sm->timeouts.tcp.transitory);
1299 rmp->timeouts.icmp = htonl (sm->timeouts.icmp);
1301 rmp->forwarding_enabled = sm->forwarding_enabled == 1;
1302 // consider how to split functionality between subplugins
1303 rmp->ipfix_logging_enabled = nat_ipfix_logging_enabled ();
1304 rmp->flags |= NAT44_IS_ENDPOINT_DEPENDENT;
1305 if (rc->static_mapping_only)
1306 rmp->flags |= NAT44_IS_STATIC_MAPPING_ONLY;
1307 if (rc->connection_tracking)
1308 rmp->flags |= NAT44_IS_CONNECTION_TRACKING;
1312 /* user (internal host) key */
1331 u32 nstaticsessions;
1338 clib_bihash_8_8_t user_hash;
1339 } user_create_helper_t;
1342 send_nat44_user_details (snat_user_t *u, vl_api_registration_t *reg,
1345 vl_api_nat44_user_details_t *rmp;
1346 snat_main_t *sm = &snat_main;
1347 ip4_main_t *im = &ip4_main;
1349 rmp = vl_msg_api_alloc (sizeof (*rmp));
1350 clib_memset (rmp, 0, sizeof (*rmp));
1351 rmp->_vl_msg_id = ntohs (VL_API_NAT44_USER_DETAILS + sm->msg_id_base);
1353 if (!pool_is_free_index (im->fibs, u->fib_index))
1355 fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4);
1356 rmp->vrf_id = ntohl (fib->ft_table_id);
1359 clib_memcpy (rmp->ip_address, &(u->addr), 4);
1360 rmp->nsessions = ntohl (u->nsessions);
1361 rmp->nstaticsessions = ntohl (u->nstaticsessions);
1362 rmp->context = context;
1364 vl_api_send_msg (reg, (u8 *) rmp);
1368 nat_ed_user_create_helper (user_create_helper_t *uch, snat_session_t *s)
1371 k.addr = s->in2out.addr;
1372 k.fib_index = s->in2out.fib_index;
1373 clib_bihash_kv_8_8_t key, value;
1377 if (clib_bihash_search_8_8 (&uch->user_hash, &key, &value))
1379 pool_get (uch->users, u);
1381 u->fib_index = k.fib_index;
1383 u->nstaticsessions = 0;
1384 key.value = u - uch->users;
1385 clib_bihash_add_del_8_8 (&uch->user_hash, &key, 1);
1389 u = pool_elt_at_index (uch->users, value.value);
1391 if (snat_is_session_static (s))
1393 ++u->nstaticsessions;
1402 format_user_kvp (u8 *s, va_list *args)
1404 clib_bihash_kv_8_8_t *v = va_arg (*args, clib_bihash_kv_8_8_t *);
1407 s = format (s, "%U fib %d user-index %llu", format_ip4_address, &k.addr,
1408 k.fib_index, v->value);
1413 nat_ed_users_create (snat_main_per_thread_data_t *tsm,
1414 user_create_helper_t *uch)
1417 clib_bihash_init_8_8 (&uch->user_hash, "users", uch->user_buckets, 0);
1418 clib_bihash_set_kvp_format_fn_8_8 (&uch->user_hash, format_user_kvp);
1419 pool_foreach (s, tsm->sessions)
1421 nat_ed_user_create_helper (uch, s);
1426 nat_ed_users_destroy (user_create_helper_t *uch)
1428 pool_free (uch->users);
1429 clib_bihash_free_8_8 (&uch->user_hash);
1433 vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp)
1435 user_create_helper_t uch;
1436 vl_api_registration_t *reg;
1437 snat_main_t *sm = &snat_main;
1438 snat_main_per_thread_data_t *tsm;
1441 clib_memset (&uch, 0, sizeof (uch));
1443 uch.user_buckets = nat_calc_bihash_buckets (1024);
1445 reg = vl_api_client_index_to_registration (mp->client_index);
1449 vec_foreach (tsm, sm->per_thread_data)
1451 nat_ed_users_create (tsm, &uch);
1452 pool_foreach (u, uch.users)
1454 send_nat44_user_details (u, reg, mp->context);
1456 nat_ed_users_destroy (&uch);
1461 send_nat44_user_session_details (snat_session_t * s,
1462 vl_api_registration_t * reg, u32 context)
1464 vl_api_nat44_user_session_details_t *rmp;
1465 snat_main_t *sm = &snat_main;
1467 rmp = vl_msg_api_alloc (sizeof (*rmp));
1468 clib_memset (rmp, 0, sizeof (*rmp));
1470 ntohs (VL_API_NAT44_USER_SESSION_DETAILS + sm->msg_id_base);
1471 clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4);
1472 clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4);
1474 if (snat_is_session_static (s))
1475 rmp->flags |= NAT_API_IS_STATIC;
1477 if (is_twice_nat_session (s))
1478 rmp->flags |= NAT_API_IS_TWICE_NAT;
1480 if (is_ed_session (s) || is_fwd_bypass_session (s))
1481 rmp->flags |= NAT_API_IS_EXT_HOST_VALID;
1483 rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard);
1484 rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes);
1485 rmp->total_pkts = ntohl (s->total_pkts);
1486 rmp->context = context;
1487 if (snat_is_unk_proto_session (s))
1489 rmp->outside_port = 0;
1490 rmp->inside_port = 0;
1491 rmp->protocol = ntohs (s->in2out.port);
1495 rmp->outside_port = s->out2in.port;
1496 rmp->inside_port = s->in2out.port;
1497 rmp->protocol = ntohs (nat_proto_to_ip_proto (s->nat_proto));
1499 if (is_ed_session (s) || is_fwd_bypass_session (s))
1501 clib_memcpy (rmp->ext_host_address, &s->ext_host_addr, 4);
1502 rmp->ext_host_port = s->ext_host_port;
1503 if (is_twice_nat_session (s))
1505 clib_memcpy (rmp->ext_host_nat_address, &s->ext_host_nat_addr, 4);
1506 rmp->ext_host_nat_port = s->ext_host_nat_port;
1510 vl_api_send_msg (reg, (u8 *) rmp);
1514 vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t *
1517 snat_main_per_thread_data_t *tsm;
1518 snat_main_t *sm = &snat_main;
1519 vl_api_registration_t *reg;
1520 snat_user_key_t ukey;
1524 reg = vl_api_client_index_to_registration (mp->client_index);
1528 clib_memcpy (&ukey.addr, mp->ip_address, 4);
1529 ip.src_address.as_u32 = ukey.addr.as_u32;
1530 ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id));
1531 if (sm->num_workers > 1)
1533 vec_elt_at_index (sm->per_thread_data,
1534 sm->worker_in2out_cb (&ip, ukey.fib_index, 0));
1536 tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
1538 pool_foreach (s, tsm->sessions) {
1539 if (s->in2out.addr.as_u32 == ukey.addr.as_u32)
1541 send_nat44_user_session_details (s, reg, mp->context);
1546 /* API definitions */
1547 #include <vnet/format_fns.h>
1548 #include <nat/nat44-ed/nat44_ed.api.c>
1550 /* Set up the API message handling tables */
1552 nat44_api_hookup (vlib_main_t * vm)
1554 snat_main_t *sm = &snat_main;
1555 sm->msg_id_base = setup_message_id_table ();
1560 * fd.io coding-style-patch-verification: ON
1563 * eval: (c-set-style "gnu")