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++)
307 rv = nat44_ed_add_address (&this_addr, vrf_id, twice_nat);
311 rv = nat44_ed_del_address (this_addr, 0, twice_nat);
317 increment_v4_address (&this_addr);
321 REPLY_MACRO (VL_API_NAT44_ADD_DEL_ADDRESS_RANGE_REPLY);
325 send_nat44_address_details (snat_address_t * a,
326 vl_api_registration_t * reg, u32 context,
329 vl_api_nat44_address_details_t *rmp;
330 snat_main_t *sm = &snat_main;
332 rmp = vl_msg_api_alloc (sizeof (*rmp));
333 clib_memset (rmp, 0, sizeof (*rmp));
334 rmp->_vl_msg_id = ntohs (VL_API_NAT44_ADDRESS_DETAILS + sm->msg_id_base);
335 clib_memcpy (rmp->ip_address, &(a->addr), 4);
336 if (a->fib_index != ~0)
338 fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4);
339 rmp->vrf_id = ntohl (fib->ft_table_id);
344 rmp->flags |= NAT_API_IS_TWICE_NAT;
345 rmp->context = context;
347 vl_api_send_msg (reg, (u8 *) rmp);
351 vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp)
353 vl_api_registration_t *reg;
354 snat_main_t *sm = &snat_main;
357 reg = vl_api_client_index_to_registration (mp->client_index);
361 vec_foreach (a, sm->addresses)
362 send_nat44_address_details (a, reg, mp->context, 0);
363 vec_foreach (a, sm->twice_nat_addresses)
364 send_nat44_address_details (a, reg, mp->context, 1);
368 vl_api_nat44_interface_add_del_feature_t_handler
369 (vl_api_nat44_interface_add_del_feature_t * mp)
371 vl_api_nat44_interface_add_del_feature_reply_t *rmp;
372 snat_main_t *sm = &snat_main;
377 VALIDATE_SW_IF_INDEX (mp);
379 is_inside = mp->flags & NAT_API_IS_INSIDE;
380 sw_if_index = ntohl (mp->sw_if_index);
384 rv = nat44_ed_add_interface (sw_if_index, is_inside);
388 rv = nat44_ed_del_interface (sw_if_index, is_inside);
391 BAD_SW_IF_INDEX_LABEL;
392 REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_FEATURE_REPLY);
396 send_nat44_interface_details (snat_interface_t * i,
397 vl_api_registration_t * reg, u32 context)
399 vl_api_nat44_interface_details_t *rmp;
400 snat_main_t *sm = &snat_main;
402 rmp = vl_msg_api_alloc (sizeof (*rmp));
403 clib_memset (rmp, 0, sizeof (*rmp));
404 rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base);
405 rmp->sw_if_index = ntohl (i->sw_if_index);
407 if (nat44_ed_is_interface_inside (i))
408 rmp->flags |= NAT_API_IS_INSIDE;
409 if (nat44_ed_is_interface_outside (i))
410 rmp->flags |= NAT_API_IS_OUTSIDE;
412 rmp->context = context;
414 vl_api_send_msg (reg, (u8 *) rmp);
418 vl_api_nat44_interface_dump_t_handler (vl_api_nat44_interface_dump_t * mp)
420 vl_api_registration_t *reg;
421 snat_main_t *sm = &snat_main;
424 reg = vl_api_client_index_to_registration (mp->client_index);
428 pool_foreach (i, sm->interfaces)
430 send_nat44_interface_details(i, reg, mp->context);
435 vl_api_nat44_interface_add_del_output_feature_t_handler
436 (vl_api_nat44_interface_add_del_output_feature_t * mp)
438 vl_api_nat44_interface_add_del_output_feature_reply_t *rmp;
439 snat_main_t *sm = &snat_main;
443 VALIDATE_SW_IF_INDEX (mp);
445 sw_if_index = ntohl (mp->sw_if_index);
449 rv = nat44_ed_add_output_interface (sw_if_index);
453 rv = nat44_ed_del_output_interface (sw_if_index);
456 BAD_SW_IF_INDEX_LABEL;
457 REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY);
461 send_nat44_interface_output_feature_details (snat_interface_t * i,
462 vl_api_registration_t * reg,
465 vl_api_nat44_interface_output_feature_details_t *rmp;
466 snat_main_t *sm = &snat_main;
468 rmp = vl_msg_api_alloc (sizeof (*rmp));
469 clib_memset (rmp, 0, sizeof (*rmp));
471 ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base);
472 rmp->sw_if_index = ntohl (i->sw_if_index);
473 rmp->context = context;
475 if (nat44_ed_is_interface_inside (i))
476 rmp->flags |= NAT_API_IS_INSIDE;
478 vl_api_send_msg (reg, (u8 *) rmp);
482 vl_api_nat44_interface_output_feature_dump_t_handler
483 (vl_api_nat44_interface_output_feature_dump_t * mp)
485 vl_api_registration_t *reg;
486 snat_main_t *sm = &snat_main;
489 reg = vl_api_client_index_to_registration (mp->client_index);
493 pool_foreach (i, sm->output_feature_interfaces)
495 send_nat44_interface_output_feature_details (i, reg, mp->context);
500 vl_api_nat44_add_del_static_mapping_t_handler
501 (vl_api_nat44_add_del_static_mapping_t * mp)
503 vl_api_nat44_add_del_static_mapping_reply_t *rmp;
505 snat_main_t *sm = &snat_main;
508 ip4_address_t l_addr, e_addr, pool_addr = { 0 };
509 u32 sw_if_index, flags = 0, vrf_id;
510 u16 l_port = 0, e_port = 0;
511 nat_protocol_t proto = 0;
514 memcpy (&l_addr.as_u8, mp->local_ip_address, 4);
516 if (mp->flags & NAT_API_IS_ADDR_ONLY)
518 flags |= NAT_SM_FLAG_ADDR_ONLY;
522 l_port = mp->local_port;
523 e_port = mp->external_port;
524 proto = ip_proto_to_nat_proto (mp->protocol);
527 if (mp->flags & NAT_API_IS_TWICE_NAT)
529 flags |= NAT_SM_FLAG_TWICE_NAT;
532 if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
534 flags |= NAT_SM_FLAG_SELF_TWICE_NAT;
537 if (mp->flags & NAT_API_IS_OUT2IN_ONLY)
539 flags |= NAT_SM_FLAG_OUT2IN_ONLY;
542 sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
543 if (sw_if_index != ~0)
545 flags |= NAT_SM_FLAG_SWITCH_ADDRESS;
549 memcpy (&e_addr.as_u8, mp->external_ip_address, 4);
552 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
556 mp->tag[sizeof (mp->tag) - 1] = 0;
557 tag = format (0, "%s", mp->tag);
558 vec_terminate_c_string (tag);
560 rv = nat44_ed_add_static_mapping (l_addr, e_addr, l_port, e_port, proto,
561 vrf_id, sw_if_index, flags, pool_addr,
567 rv = nat44_ed_del_static_mapping (l_addr, e_addr, l_port, e_port, proto,
568 vrf_id, sw_if_index, flags);
570 REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY);
574 vl_api_nat44_add_del_static_mapping_v2_t_handler
575 (vl_api_nat44_add_del_static_mapping_v2_t * mp)
577 vl_api_nat44_add_del_static_mapping_v2_reply_t *rmp;
579 snat_main_t *sm = &snat_main;
582 ip4_address_t l_addr, e_addr, pool_addr;
583 u32 sw_if_index, flags = 0, vrf_id;
584 u16 l_port = 0, e_port = 0;
585 nat_protocol_t proto;
588 memcpy (&l_addr.as_u8, mp->local_ip_address, 4);
589 memcpy (&pool_addr.as_u8, mp->pool_ip_address, 4);
591 if (pool_addr.as_u32 != 0)
593 flags |= NAT_SM_FLAG_EXACT_ADDRESS;
596 if (mp->flags & NAT_API_IS_ADDR_ONLY)
598 flags |= NAT_SM_FLAG_ADDR_ONLY;
602 l_port = mp->local_port;
603 e_port = mp->external_port;
606 if (mp->flags & NAT_API_IS_TWICE_NAT)
608 flags |= NAT_SM_FLAG_TWICE_NAT;
611 if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
613 flags |= NAT_SM_FLAG_SELF_TWICE_NAT;
616 if (mp->flags & NAT_API_IS_OUT2IN_ONLY)
618 flags |= NAT_SM_FLAG_OUT2IN_ONLY;
621 sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
624 flags |= NAT_SM_FLAG_SWITCH_ADDRESS;
628 memcpy (&e_addr.as_u8, mp->external_ip_address, 4);
631 proto = ip_proto_to_nat_proto (mp->protocol);
632 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
636 mp->tag[sizeof (mp->tag) - 1] = 0;
637 tag = format (0, "%s", mp->tag);
638 vec_terminate_c_string (tag);
640 rv = nat44_ed_add_static_mapping (l_addr, e_addr, l_port, e_port, proto,
641 vrf_id, sw_if_index, flags, pool_addr,
647 rv = nat44_ed_del_static_mapping (l_addr, e_addr, l_port, e_port, proto,
648 vrf_id, sw_if_index, flags);
650 REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_V2_REPLY);
654 send_nat44_static_mapping_details (snat_static_mapping_t * m,
655 vl_api_registration_t * reg, u32 context)
657 vl_api_nat44_static_mapping_details_t *rmp;
658 snat_main_t *sm = &snat_main;
659 u32 len = sizeof (*rmp);
661 rmp = vl_msg_api_alloc (len);
662 clib_memset (rmp, 0, len);
664 ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
666 clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
667 clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
668 rmp->external_sw_if_index = ~0;
669 rmp->vrf_id = htonl (m->vrf_id);
670 rmp->context = context;
672 // convert these in new api
674 if (is_sm_self_twice_nat (m->flags))
676 rmp->flags |= NAT_API_IS_SELF_TWICE_NAT;
679 if (is_sm_out2in_only (m->flags))
681 rmp->flags |= NAT_API_IS_OUT2IN_ONLY;
684 if (is_sm_twice_nat (m->flags))
686 rmp->flags |= NAT_API_IS_TWICE_NAT;
689 if (is_sm_addr_only (m->flags))
691 rmp->flags |= NAT_API_IS_ADDR_ONLY;
695 rmp->protocol = nat_proto_to_ip_proto (m->proto);
696 rmp->external_port = m->external_port;
697 rmp->local_port = m->local_port;
701 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
703 vl_api_send_msg (reg, (u8 *) rmp);
707 send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m,
708 vl_api_registration_t * reg,
711 vl_api_nat44_static_mapping_details_t *rmp;
712 snat_main_t *sm = &snat_main;
714 rmp = vl_msg_api_alloc (sizeof (*rmp));
715 clib_memset (rmp, 0, sizeof (*rmp));
717 ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
718 clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4);
719 rmp->external_sw_if_index = htonl (m->sw_if_index);
720 rmp->vrf_id = htonl (m->vrf_id);
721 rmp->context = context;
724 rmp->flags |= NAT_API_IS_TWICE_NAT;
728 rmp->flags |= NAT_API_IS_ADDR_ONLY;
732 rmp->protocol = nat_proto_to_ip_proto (m->proto);
733 rmp->external_port = m->e_port;
734 rmp->local_port = m->l_port;
737 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
739 vl_api_send_msg (reg, (u8 *) rmp);
743 vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t
746 vl_api_registration_t *reg;
747 snat_main_t *sm = &snat_main;
748 snat_static_mapping_t *m;
749 snat_static_map_resolve_t *rp;
752 reg = vl_api_client_index_to_registration (mp->client_index);
756 pool_foreach (m, sm->static_mappings)
758 if (!is_sm_identity_nat (m->flags) && !is_sm_lb (m->flags))
759 send_nat44_static_mapping_details (m, reg, mp->context);
762 for (j = 0; j < vec_len (sm->to_resolve); j++)
764 rp = sm->to_resolve + j;
765 if (!rp->identity_nat)
766 send_nat44_static_map_resolve_details (rp, reg, mp->context);
771 vl_api_nat44_add_del_identity_mapping_t_handler
772 (vl_api_nat44_add_del_identity_mapping_t * mp)
774 vl_api_nat44_add_del_identity_mapping_reply_t *rmp;
776 snat_main_t *sm = &snat_main;
779 ip4_address_t addr, pool_addr = { 0 };
780 u32 sw_if_index, flags, vrf_id;
781 nat_protocol_t proto = 0;
785 flags = NAT_SM_FLAG_IDENTITY_NAT;
787 if (mp->flags & NAT_API_IS_ADDR_ONLY)
789 flags |= NAT_SM_FLAG_ADDR_ONLY;
794 proto = ip_proto_to_nat_proto (mp->protocol);
797 sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
798 if (sw_if_index != ~0)
800 flags |= NAT_SM_FLAG_SWITCH_ADDRESS;
804 memcpy (&addr.as_u8, mp->ip_address, 4);
807 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
811 mp->tag[sizeof (mp->tag) - 1] = 0;
812 tag = format (0, "%s", mp->tag);
813 vec_terminate_c_string (tag);
815 rv = nat44_ed_add_static_mapping (addr, addr, port, port, proto, vrf_id,
816 sw_if_index, flags, pool_addr, tag);
821 rv = nat44_ed_del_static_mapping (addr, addr, port, port, proto, vrf_id,
824 REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY);
828 send_nat44_identity_mapping_details (snat_static_mapping_t * m, int index,
829 vl_api_registration_t * reg, u32 context)
831 vl_api_nat44_identity_mapping_details_t *rmp;
832 snat_main_t *sm = &snat_main;
833 nat44_lb_addr_port_t *local = pool_elt_at_index (m->locals, index);
835 rmp = vl_msg_api_alloc (sizeof (*rmp));
836 clib_memset (rmp, 0, sizeof (*rmp));
838 ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
840 if (is_sm_addr_only (m->flags))
841 rmp->flags |= NAT_API_IS_ADDR_ONLY;
843 clib_memcpy (rmp->ip_address, &(m->local_addr), 4);
844 rmp->port = m->local_port;
845 rmp->sw_if_index = ~0;
846 rmp->vrf_id = htonl (local->vrf_id);
847 rmp->protocol = nat_proto_to_ip_proto (m->proto);
848 rmp->context = context;
850 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
852 vl_api_send_msg (reg, (u8 *) rmp);
856 send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m,
857 vl_api_registration_t * reg,
860 vl_api_nat44_identity_mapping_details_t *rmp;
861 snat_main_t *sm = &snat_main;
863 rmp = vl_msg_api_alloc (sizeof (*rmp));
864 clib_memset (rmp, 0, sizeof (*rmp));
866 ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
869 rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_ADDR_ONLY;
871 rmp->port = m->l_port;
872 rmp->sw_if_index = htonl (m->sw_if_index);
873 rmp->vrf_id = htonl (m->vrf_id);
874 rmp->protocol = nat_proto_to_ip_proto (m->proto);
875 rmp->context = context;
877 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
879 vl_api_send_msg (reg, (u8 *) rmp);
883 vl_api_nat44_identity_mapping_dump_t_handler
884 (vl_api_nat44_identity_mapping_dump_t * mp)
886 vl_api_registration_t *reg;
887 snat_main_t *sm = &snat_main;
888 snat_static_mapping_t *m;
889 snat_static_map_resolve_t *rp;
892 reg = vl_api_client_index_to_registration (mp->client_index);
896 pool_foreach (m, sm->static_mappings)
898 if (is_sm_identity_nat (m->flags) && !is_sm_lb (m->flags))
900 pool_foreach_index (j, m->locals)
902 send_nat44_identity_mapping_details (m, j, reg, mp->context);
907 for (j = 0; j < vec_len (sm->to_resolve); j++)
909 rp = sm->to_resolve + j;
910 if (rp->identity_nat)
911 send_nat44_identity_map_resolve_details (rp, reg, mp->context);
916 vl_api_nat44_add_del_interface_addr_t_handler
917 (vl_api_nat44_add_del_interface_addr_t * mp)
919 snat_main_t *sm = &snat_main;
920 vl_api_nat44_add_del_interface_addr_reply_t *rmp;
921 u32 sw_if_index = ntohl (mp->sw_if_index);
925 if (sm->static_mapping_only)
927 rv = VNET_API_ERROR_FEATURE_DISABLED;
931 VALIDATE_SW_IF_INDEX (mp);
933 twice_nat = mp->flags & NAT_API_IS_TWICE_NAT;
937 rv = nat44_ed_add_interface_address (sw_if_index, twice_nat);
941 rv = nat44_ed_del_interface_address (sw_if_index, twice_nat);
944 BAD_SW_IF_INDEX_LABEL;
947 REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY);
951 send_nat44_interface_addr_details (u32 sw_if_index,
952 vl_api_registration_t * reg, u32 context,
955 vl_api_nat44_interface_addr_details_t *rmp;
956 snat_main_t *sm = &snat_main;
958 rmp = vl_msg_api_alloc (sizeof (*rmp));
959 clib_memset (rmp, 0, sizeof (*rmp));
961 ntohs (VL_API_NAT44_INTERFACE_ADDR_DETAILS + sm->msg_id_base);
962 rmp->sw_if_index = ntohl (sw_if_index);
965 rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_TWICE_NAT;
966 rmp->context = context;
968 vl_api_send_msg (reg, (u8 *) rmp);
972 vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t
975 vl_api_registration_t *reg;
976 snat_main_t *sm = &snat_main;
979 reg = vl_api_client_index_to_registration (mp->client_index);
983 vec_foreach (i, sm->auto_add_sw_if_indices)
985 send_nat44_interface_addr_details (*i, reg, mp->context, 0);
987 vec_foreach (i, sm->auto_add_sw_if_indices_twice_nat)
989 send_nat44_interface_addr_details (*i, reg, mp->context, 1);
993 static nat44_lb_addr_port_t *
994 unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t *addr_port_pairs,
995 u32 addr_port_pair_num)
998 nat44_lb_addr_port_t *lb_addr_port_pairs = 0, lb_addr_port;
999 vl_api_nat44_lb_addr_port_t *ap;
1001 for (i = 0; i < addr_port_pair_num; i++)
1003 ap = &addr_port_pairs[i];
1004 clib_memset (&lb_addr_port, 0, sizeof (lb_addr_port));
1005 clib_memcpy (&lb_addr_port.addr, ap->addr, 4);
1006 lb_addr_port.port = ap->port;
1007 lb_addr_port.probability = ap->probability;
1008 lb_addr_port.vrf_id = clib_net_to_host_u32 (ap->vrf_id);
1009 vec_add1 (lb_addr_port_pairs, lb_addr_port);
1012 return lb_addr_port_pairs;
1016 vl_api_nat44_add_del_lb_static_mapping_t_handler (
1017 vl_api_nat44_add_del_lb_static_mapping_t *mp)
1019 snat_main_t *sm = &snat_main;
1020 vl_api_nat44_add_del_lb_static_mapping_reply_t *rmp;
1021 nat44_lb_addr_port_t *locals = 0;
1022 ip4_address_t e_addr;
1023 nat_protocol_t proto;
1028 locals = unformat_nat44_lb_addr_port (mp->locals,
1029 clib_net_to_host_u32 (mp->local_num));
1030 clib_memcpy (&e_addr, mp->external_addr, 4);
1031 proto = ip_proto_to_nat_proto (mp->protocol);
1033 if (mp->flags & NAT_API_IS_TWICE_NAT)
1035 flags |= NAT_SM_FLAG_TWICE_NAT;
1037 else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
1039 flags |= NAT_SM_FLAG_SELF_TWICE_NAT;
1042 if (mp->flags & NAT_API_IS_OUT2IN_ONLY)
1044 flags |= NAT_SM_FLAG_OUT2IN_ONLY;
1049 mp->tag[sizeof (mp->tag) - 1] = 0;
1050 tag = format (0, "%s", mp->tag);
1051 vec_terminate_c_string (tag);
1053 rv = nat44_ed_add_lb_static_mapping (
1054 e_addr, mp->external_port, proto, locals, flags, tag,
1055 clib_net_to_host_u32 (mp->affinity));
1059 rv = nat44_ed_del_lb_static_mapping (e_addr, mp->external_port, proto,
1065 REPLY_MACRO (VL_API_NAT44_ADD_DEL_LB_STATIC_MAPPING_REPLY);
1069 vl_api_nat44_lb_static_mapping_add_del_local_t_handler (
1070 vl_api_nat44_lb_static_mapping_add_del_local_t *mp)
1072 snat_main_t *sm = &snat_main;
1073 vl_api_nat44_lb_static_mapping_add_del_local_reply_t *rmp;
1075 ip4_address_t e_addr, l_addr;
1076 nat_protocol_t proto;
1078 clib_memcpy (&e_addr, mp->external_addr, 4);
1079 clib_memcpy (&l_addr, mp->local.addr, 4);
1080 proto = ip_proto_to_nat_proto (mp->protocol);
1082 rv = nat44_ed_add_del_lb_static_mapping_local (
1083 e_addr, mp->external_port, l_addr, mp->local.port, proto,
1084 clib_net_to_host_u32 (mp->local.vrf_id), mp->local.probability,
1087 REPLY_MACRO (VL_API_NAT44_LB_STATIC_MAPPING_ADD_DEL_LOCAL_REPLY);
1091 send_nat44_lb_static_mapping_details (snat_static_mapping_t *m,
1092 vl_api_registration_t *reg, u32 context)
1094 vl_api_nat44_lb_static_mapping_details_t *rmp;
1095 snat_main_t *sm = &snat_main;
1096 nat44_lb_addr_port_t *ap;
1097 vl_api_nat44_lb_addr_port_t *locals;
1100 rmp = vl_msg_api_alloc (
1101 sizeof (*rmp) + (pool_elts (m->locals) * sizeof (nat44_lb_addr_port_t)));
1102 clib_memset (rmp, 0, sizeof (*rmp));
1104 ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base);
1106 clib_memcpy (rmp->external_addr, &(m->external_addr), 4);
1107 rmp->external_port = m->external_port;
1108 rmp->protocol = nat_proto_to_ip_proto (m->proto);
1109 rmp->context = context;
1111 if (is_sm_self_twice_nat (m->flags))
1113 rmp->flags |= NAT_API_IS_SELF_TWICE_NAT;
1116 if (is_sm_out2in_only (m->flags))
1118 rmp->flags |= NAT_API_IS_OUT2IN_ONLY;
1121 if (is_sm_twice_nat (m->flags))
1123 rmp->flags |= NAT_API_IS_TWICE_NAT;
1127 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
1129 locals = (vl_api_nat44_lb_addr_port_t *) rmp->locals;
1130 pool_foreach (ap, m->locals)
1132 clib_memcpy (locals->addr, &(ap->addr), 4);
1133 locals->port = ap->port;
1134 locals->probability = ap->probability;
1135 locals->vrf_id = ntohl (ap->vrf_id);
1139 rmp->local_num = ntohl (local_num);
1141 vl_api_send_msg (reg, (u8 *) rmp);
1145 vl_api_nat44_lb_static_mapping_dump_t_handler (
1146 vl_api_nat44_lb_static_mapping_dump_t *mp)
1148 vl_api_registration_t *reg;
1149 snat_main_t *sm = &snat_main;
1150 snat_static_mapping_t *m;
1152 reg = vl_api_client_index_to_registration (mp->client_index);
1156 pool_foreach (m, sm->static_mappings)
1158 if (is_sm_lb (m->flags))
1159 send_nat44_lb_static_mapping_details (m, reg, mp->context);
1164 vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t *mp)
1166 snat_main_t *sm = &snat_main;
1167 vl_api_nat44_del_session_reply_t *rmp;
1168 ip4_address_t addr, eh_addr;
1174 memcpy (&addr.as_u8, mp->address, 4);
1176 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
1177 memcpy (&eh_addr.as_u8, mp->ext_host_address, 4);
1178 eh_port = mp->ext_host_port;
1180 is_in = mp->flags & NAT_API_IS_INSIDE;
1182 rv = nat44_ed_del_session (sm, &addr, port, &eh_addr, eh_port, mp->protocol,
1185 REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY);
1189 vl_api_nat44_forwarding_enable_disable_t_handler (
1190 vl_api_nat44_forwarding_enable_disable_t *mp)
1192 vl_api_nat44_forwarding_enable_disable_reply_t *rmp;
1193 snat_main_t *sm = &snat_main;
1195 nat44_ed_forwarding_enable_disable (mp->enable);
1196 REPLY_MACRO (VL_API_NAT44_FORWARDING_ENABLE_DISABLE_REPLY);
1200 vl_api_nat44_forwarding_is_enabled_t_handler (
1201 vl_api_nat44_forwarding_is_enabled_t *mp)
1203 vl_api_registration_t *reg;
1204 snat_main_t *sm = &snat_main;
1205 vl_api_nat44_forwarding_is_enabled_reply_t *rmp;
1207 reg = vl_api_client_index_to_registration (mp->client_index);
1211 rmp = vl_msg_api_alloc (sizeof (*rmp));
1212 clib_memset (rmp, 0, sizeof (*rmp));
1214 ntohs (VL_API_NAT44_FORWARDING_IS_ENABLED_REPLY + sm->msg_id_base);
1215 rmp->context = mp->context;
1217 rmp->enabled = sm->forwarding_enabled;
1219 vl_api_send_msg (reg, (u8 *) rmp);
1222 /* Obsolete calls hold back because of deprecation
1223 * should not be used */
1226 vl_api_nat_set_addr_and_port_alloc_alg_t_handler (
1227 vl_api_nat_set_addr_and_port_alloc_alg_t *mp)
1229 snat_main_t *sm = &snat_main;
1230 vl_api_nat_set_addr_and_port_alloc_alg_reply_t *rmp;
1231 int rv = VNET_API_ERROR_UNSUPPORTED;
1232 REPLY_MACRO (VL_API_NAT_SET_ADDR_AND_PORT_ALLOC_ALG_REPLY);
1236 vl_api_nat_get_addr_and_port_alloc_alg_t_handler (
1237 vl_api_nat_get_addr_and_port_alloc_alg_t *mp)
1239 snat_main_t *sm = &snat_main;
1240 vl_api_nat_get_addr_and_port_alloc_alg_reply_t *rmp;
1241 int rv = VNET_API_ERROR_UNSUPPORTED;
1242 REPLY_MACRO (VL_API_NAT_GET_ADDR_AND_PORT_ALLOC_ALG_REPLY);
1246 vl_api_nat_ha_set_listener_t_handler (vl_api_nat_ha_set_listener_t *mp)
1248 snat_main_t *sm = &snat_main;
1249 vl_api_nat_ha_set_listener_reply_t *rmp;
1250 int rv = VNET_API_ERROR_UNSUPPORTED;
1251 REPLY_MACRO (VL_API_NAT_HA_SET_LISTENER_REPLY);
1255 vl_api_nat_ha_get_listener_t_handler (vl_api_nat_ha_get_listener_t *mp)
1257 snat_main_t *sm = &snat_main;
1258 vl_api_nat_ha_get_listener_reply_t *rmp;
1259 int rv = VNET_API_ERROR_UNSUPPORTED;
1260 REPLY_MACRO (VL_API_NAT_HA_GET_LISTENER_REPLY);
1264 vl_api_nat_ha_set_failover_t_handler (vl_api_nat_ha_set_failover_t *mp)
1266 snat_main_t *sm = &snat_main;
1267 vl_api_nat_ha_set_failover_reply_t *rmp;
1268 int rv = VNET_API_ERROR_UNSUPPORTED;
1269 REPLY_MACRO (VL_API_NAT_HA_SET_FAILOVER_REPLY);
1273 vl_api_nat_ha_get_failover_t_handler (vl_api_nat_ha_get_failover_t *mp)
1275 snat_main_t *sm = &snat_main;
1276 vl_api_nat_ha_get_failover_reply_t *rmp;
1277 int rv = VNET_API_ERROR_UNSUPPORTED;
1278 REPLY_MACRO (VL_API_NAT_HA_GET_FAILOVER_REPLY);
1282 vl_api_nat_ha_flush_t_handler (vl_api_nat_ha_flush_t *mp)
1284 snat_main_t *sm = &snat_main;
1285 vl_api_nat_ha_flush_reply_t *rmp;
1286 int rv = VNET_API_ERROR_UNSUPPORTED;
1287 REPLY_MACRO (VL_API_NAT_HA_FLUSH_REPLY);
1291 vl_api_nat_ha_resync_t_handler (vl_api_nat_ha_resync_t *mp)
1293 snat_main_t *sm = &snat_main;
1294 vl_api_nat_ha_resync_reply_t *rmp;
1295 int rv = VNET_API_ERROR_UNSUPPORTED;
1296 REPLY_MACRO (VL_API_NAT_HA_RESYNC_REPLY);
1300 vl_api_nat44_del_user_t_handler (vl_api_nat44_del_user_t *mp)
1302 snat_main_t *sm = &snat_main;
1303 vl_api_nat44_del_user_reply_t *rmp;
1304 int rv = VNET_API_ERROR_UNSUPPORTED;
1305 REPLY_MACRO (VL_API_NAT44_DEL_USER_REPLY);
1309 vl_api_nat44_session_cleanup_t_handler (vl_api_nat44_session_cleanup_t *mp)
1311 snat_main_t *sm = &snat_main;
1312 vl_api_nat44_session_cleanup_reply_t *rmp;
1313 int rv = VNET_API_ERROR_UNSUPPORTED;
1314 REPLY_MACRO (VL_API_NAT44_SESSION_CLEANUP_REPLY);
1318 vl_api_nat44_plugin_enable_disable_t_handler (
1319 vl_api_nat44_plugin_enable_disable_t *mp)
1321 snat_main_t *sm = &snat_main;
1322 nat44_config_t c = { 0 };
1323 vl_api_nat44_plugin_enable_disable_reply_t *rmp;
1328 if (mp->users || mp->user_sessions)
1330 rv = VNET_API_ERROR_UNSUPPORTED;
1334 c.static_mapping_only = mp->flags & NAT44_API_IS_STATIC_MAPPING_ONLY;
1335 c.connection_tracking = mp->flags & NAT44_API_IS_CONNECTION_TRACKING;
1337 c.inside_vrf = ntohl (mp->inside_vrf);
1338 c.outside_vrf = ntohl (mp->outside_vrf);
1340 c.sessions = ntohl (mp->sessions);
1342 rv = nat44_plugin_enable (c);
1347 rv = nat44_plugin_disable ();
1350 REPLY_MACRO (VL_API_NAT44_PLUGIN_ENABLE_DISABLE_REPLY);
1354 vl_api_nat_control_ping_t_handler (vl_api_nat_control_ping_t *mp)
1356 vl_api_nat_control_ping_reply_t *rmp;
1357 snat_main_t *sm = &snat_main;
1360 REPLY_MACRO2 (VL_API_NAT_CONTROL_PING_REPLY,
1361 ({ rmp->vpe_pid = ntohl (getpid ()); }));
1365 vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t *mp)
1367 vl_api_nat_show_config_reply_t *rmp;
1368 snat_main_t *sm = &snat_main;
1371 REPLY_MACRO2_ZERO (VL_API_NAT_SHOW_CONFIG_REPLY, ({
1372 rmp->translation_buckets =
1373 htonl (sm->translation_buckets);
1374 rmp->user_buckets = 0;
1375 rmp->max_translations_per_user = 0;
1376 rmp->outside_vrf_id = htonl (sm->outside_vrf_id);
1377 rmp->inside_vrf_id = htonl (sm->inside_vrf_id);
1378 rmp->static_mapping_only = sm->static_mapping_only;
1379 rmp->static_mapping_connection_tracking =
1380 sm->static_mapping_connection_tracking;
1381 rmp->endpoint_dependent = 1;
1382 rmp->out2in_dpo = 0;
1387 vl_api_nat_show_config_2_t_handler (vl_api_nat_show_config_2_t *mp)
1389 vl_api_nat_show_config_2_reply_t *rmp;
1390 snat_main_t *sm = &snat_main;
1394 VL_API_NAT_SHOW_CONFIG_2_REPLY, ({
1395 rmp->translation_buckets = htonl (sm->translation_buckets);
1396 rmp->user_buckets = 0;
1397 rmp->max_translations_per_user = 0;
1398 rmp->outside_vrf_id = htonl (sm->outside_vrf_id);
1399 rmp->inside_vrf_id = htonl (sm->inside_vrf_id);
1400 rmp->static_mapping_only = sm->static_mapping_only;
1401 rmp->static_mapping_connection_tracking =
1402 sm->static_mapping_connection_tracking;
1403 rmp->endpoint_dependent = 1;
1404 rmp->out2in_dpo = 0;
1405 rmp->max_translations_per_thread =
1406 clib_net_to_host_u32 (sm->max_translations_per_thread);
1407 rmp->max_users_per_thread = 0;
1412 vl_api_nat44_show_running_config_t_handler (
1413 vl_api_nat44_show_running_config_t *mp)
1415 vl_api_nat44_show_running_config_reply_t *rmp;
1416 snat_main_t *sm = &snat_main;
1417 nat44_config_t *rc = &sm->rconfig;
1421 VL_API_NAT44_SHOW_RUNNING_CONFIG_REPLY, ({
1422 rmp->inside_vrf = htonl (rc->inside_vrf);
1423 rmp->outside_vrf = htonl (rc->outside_vrf);
1425 rmp->sessions = htonl (rc->sessions);
1426 rmp->translation_buckets = htonl (sm->translation_buckets);
1430 rmp->user_buckets = 0;
1431 rmp->user_sessions = 0;
1433 rmp->timeouts.udp = htonl (sm->timeouts.udp);
1434 rmp->timeouts.tcp_established = htonl (sm->timeouts.tcp.established);
1435 rmp->timeouts.tcp_transitory = htonl (sm->timeouts.tcp.transitory);
1436 rmp->timeouts.icmp = htonl (sm->timeouts.icmp);
1438 rmp->forwarding_enabled = sm->forwarding_enabled == 1;
1439 // consider how to split functionality between subplugins
1440 rmp->ipfix_logging_enabled = nat_ipfix_logging_enabled ();
1441 rmp->flags |= NAT44_IS_ENDPOINT_DEPENDENT;
1442 if (rc->static_mapping_only)
1443 rmp->flags |= NAT44_IS_STATIC_MAPPING_ONLY;
1444 if (rc->connection_tracking)
1445 rmp->flags |= NAT44_IS_CONNECTION_TRACKING;
1449 /* user (internal host) key */
1468 u32 nstaticsessions;
1475 clib_bihash_8_8_t user_hash;
1476 } user_create_helper_t;
1479 send_nat44_user_details (snat_user_t *u, vl_api_registration_t *reg,
1482 vl_api_nat44_user_details_t *rmp;
1483 snat_main_t *sm = &snat_main;
1484 ip4_main_t *im = &ip4_main;
1486 rmp = vl_msg_api_alloc (sizeof (*rmp));
1487 clib_memset (rmp, 0, sizeof (*rmp));
1488 rmp->_vl_msg_id = ntohs (VL_API_NAT44_USER_DETAILS + sm->msg_id_base);
1490 if (!pool_is_free_index (im->fibs, u->fib_index))
1492 fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4);
1493 rmp->vrf_id = ntohl (fib->ft_table_id);
1496 clib_memcpy (rmp->ip_address, &(u->addr), 4);
1497 rmp->nsessions = ntohl (u->nsessions);
1498 rmp->nstaticsessions = ntohl (u->nstaticsessions);
1499 rmp->context = context;
1501 vl_api_send_msg (reg, (u8 *) rmp);
1505 nat_ed_user_create_helper (user_create_helper_t *uch, snat_session_t *s)
1508 k.addr = s->in2out.addr;
1509 k.fib_index = s->in2out.fib_index;
1510 clib_bihash_kv_8_8_t key, value;
1514 if (clib_bihash_search_8_8 (&uch->user_hash, &key, &value))
1516 pool_get (uch->users, u);
1518 u->fib_index = k.fib_index;
1520 u->nstaticsessions = 0;
1521 key.value = u - uch->users;
1522 clib_bihash_add_del_8_8 (&uch->user_hash, &key, 1);
1526 u = pool_elt_at_index (uch->users, value.value);
1528 if (nat44_ed_is_session_static (s))
1530 ++u->nstaticsessions;
1539 format_user_kvp (u8 *s, va_list *args)
1541 clib_bihash_kv_8_8_t *v = va_arg (*args, clib_bihash_kv_8_8_t *);
1544 s = format (s, "%U fib %d user-index %llu", format_ip4_address, &k.addr,
1545 k.fib_index, v->value);
1550 nat_ed_users_create (snat_main_per_thread_data_t *tsm,
1551 user_create_helper_t *uch)
1554 clib_bihash_init_8_8 (&uch->user_hash, "users", uch->user_buckets, 0);
1555 clib_bihash_set_kvp_format_fn_8_8 (&uch->user_hash, format_user_kvp);
1556 pool_foreach (s, tsm->sessions)
1558 nat_ed_user_create_helper (uch, s);
1563 nat_ed_users_destroy (user_create_helper_t *uch)
1565 pool_free (uch->users);
1566 clib_bihash_free_8_8 (&uch->user_hash);
1570 vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp)
1572 user_create_helper_t uch;
1573 vl_api_registration_t *reg;
1574 snat_main_t *sm = &snat_main;
1575 snat_main_per_thread_data_t *tsm;
1578 clib_memset (&uch, 0, sizeof (uch));
1580 uch.user_buckets = nat_calc_bihash_buckets (1024);
1582 reg = vl_api_client_index_to_registration (mp->client_index);
1586 vec_foreach (tsm, sm->per_thread_data)
1588 nat_ed_users_create (tsm, &uch);
1589 pool_foreach (u, uch.users)
1591 send_nat44_user_details (u, reg, mp->context);
1593 nat_ed_users_destroy (&uch);
1598 send_nat44_user_session_details (snat_session_t * s,
1599 vl_api_registration_t * reg, u32 context)
1601 vl_api_nat44_user_session_details_t *rmp;
1602 snat_main_t *sm = &snat_main;
1604 rmp = vl_msg_api_alloc (sizeof (*rmp));
1605 clib_memset (rmp, 0, sizeof (*rmp));
1607 ntohs (VL_API_NAT44_USER_SESSION_DETAILS + sm->msg_id_base);
1608 clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4);
1609 clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4);
1611 if (nat44_ed_is_session_static (s))
1612 rmp->flags |= NAT_API_IS_STATIC;
1614 if (nat44_ed_is_twice_nat_session (s))
1615 rmp->flags |= NAT_API_IS_TWICE_NAT;
1617 rmp->flags |= NAT_API_IS_EXT_HOST_VALID;
1619 rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard);
1620 rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes);
1621 rmp->total_pkts = ntohl (s->total_pkts);
1622 rmp->context = context;
1623 if (snat_is_unk_proto_session (s))
1625 rmp->outside_port = 0;
1626 rmp->inside_port = 0;
1627 rmp->protocol = ntohs (s->in2out.port);
1631 rmp->outside_port = s->out2in.port;
1632 rmp->inside_port = s->in2out.port;
1633 rmp->protocol = ntohs (nat_proto_to_ip_proto (s->nat_proto));
1635 clib_memcpy (rmp->ext_host_address, &s->ext_host_addr, 4);
1636 rmp->ext_host_port = s->ext_host_port;
1637 if (nat44_ed_is_twice_nat_session (s))
1639 clib_memcpy (rmp->ext_host_nat_address, &s->ext_host_nat_addr, 4);
1640 rmp->ext_host_nat_port = s->ext_host_nat_port;
1643 vl_api_send_msg (reg, (u8 *) rmp);
1647 vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t *
1650 snat_main_per_thread_data_t *tsm;
1651 snat_main_t *sm = &snat_main;
1652 vl_api_registration_t *reg;
1653 snat_user_key_t ukey;
1657 reg = vl_api_client_index_to_registration (mp->client_index);
1661 clib_memcpy (&ukey.addr, mp->ip_address, 4);
1662 ip.src_address.as_u32 = ukey.addr.as_u32;
1663 ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id));
1664 if (sm->num_workers > 1)
1665 tsm = vec_elt_at_index (
1666 sm->per_thread_data,
1667 nat44_ed_get_in2out_worker_index (0, &ip, ukey.fib_index, 0));
1669 tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
1671 pool_foreach (s, tsm->sessions) {
1672 if (s->in2out.addr.as_u32 == ukey.addr.as_u32)
1674 send_nat44_user_session_details (s, reg, mp->context);
1679 /* API definitions */
1680 #include <vnet/format_fns.h>
1681 #include <nat/nat44-ed/nat44_ed.api.c>
1683 /* Set up the API message handling tables */
1685 nat44_api_hookup (vlib_main_t * vm)
1687 snat_main_t *sm = &snat_main;
1688 sm->msg_id_base = setup_message_id_table ();
1693 * fd.io coding-style-patch-verification: ON
1696 * eval: (c-set-style "gnu")