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.
17 #include <vnet/ip/ip_types_api.h>
18 #include <vlibmemory/api.h>
20 #include <vnet/fib/fib_table.h>
22 #include <nat/lib/nat_inlines.h>
23 #include <nat/lib/ipfix_logging.h>
25 #include <nat/nat44-ei/nat44_ei.api_enum.h>
26 #include <nat/nat44-ei/nat44_ei.api_types.h>
28 #include <nat/nat44-ei/nat44_ei_ha.h>
29 #include <nat/nat44-ei/nat44_ei.h>
31 #define REPLY_MSG_ID_BASE nm->msg_id_base
32 #include <vlibapi/api_helper_macros.h>
35 vl_api_nat44_ei_show_running_config_t_handler (
36 vl_api_nat44_ei_show_running_config_t *mp)
38 vl_api_nat44_ei_show_running_config_reply_t *rmp;
39 nat44_ei_main_t *nm = &nat44_ei_main;
40 nat44_ei_config_t *rc = &nm->rconfig;
44 VL_API_NAT44_EI_SHOW_RUNNING_CONFIG_REPLY, ({
45 rmp->inside_vrf = htonl (rc->inside_vrf);
46 rmp->outside_vrf = htonl (rc->outside_vrf);
47 rmp->users = htonl (rc->users);
48 rmp->sessions = htonl (rc->sessions);
49 rmp->user_sessions = htonl (rc->user_sessions);
51 rmp->user_buckets = htonl (nm->user_buckets);
52 rmp->translation_buckets = htonl (nm->translation_buckets);
54 rmp->timeouts.udp = htonl (nm->timeouts.udp);
55 rmp->timeouts.tcp_established = htonl (nm->timeouts.tcp.established);
56 rmp->timeouts.tcp_transitory = htonl (nm->timeouts.tcp.transitory);
57 rmp->timeouts.icmp = htonl (nm->timeouts.icmp);
59 rmp->forwarding_enabled = nm->forwarding_enabled == 1;
60 // consider how to split functionality between subplugins
61 rmp->ipfix_logging_enabled = nat_ipfix_logging_enabled ();
63 if (rc->static_mapping_only)
64 rmp->flags |= NAT44_EI_STATIC_MAPPING_ONLY;
65 if (rc->connection_tracking)
66 rmp->flags |= NAT44_EI_CONNECTION_TRACKING;
68 rmp->flags |= NAT44_EI_OUT2IN_DPO;
73 vl_api_nat44_ei_set_workers_t_handler (vl_api_nat44_ei_set_workers_t *mp)
75 nat44_ei_main_t *nm = &nat44_ei_main;
76 vl_api_nat44_ei_set_workers_reply_t *rmp;
81 mask = clib_net_to_host_u64 (mp->worker_mask);
83 if (nm->num_workers < 2)
85 rv = VNET_API_ERROR_FEATURE_DISABLED;
89 bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
90 rv = nat44_ei_set_workers (bitmap);
91 clib_bitmap_free (bitmap);
94 REPLY_MACRO (VL_API_NAT44_EI_SET_WORKERS_REPLY);
98 send_nat_worker_details (u32 worker_index, vl_api_registration_t *reg,
101 vl_api_nat44_ei_worker_details_t *rmp;
102 nat44_ei_main_t *nm = &nat44_ei_main;
103 vlib_worker_thread_t *w =
104 vlib_worker_threads + worker_index + nm->first_worker_index;
106 rmp = vl_msg_api_alloc (sizeof (*rmp));
107 clib_memset (rmp, 0, sizeof (*rmp));
108 rmp->_vl_msg_id = ntohs (VL_API_NAT44_EI_WORKER_DETAILS + nm->msg_id_base);
109 rmp->context = context;
110 rmp->worker_index = htonl (worker_index);
111 rmp->lcore_id = htonl (w->cpu_id);
112 strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1);
114 vl_api_send_msg (reg, (u8 *) rmp);
118 vl_api_nat44_ei_worker_dump_t_handler (vl_api_nat44_ei_worker_dump_t *mp)
120 vl_api_registration_t *reg;
121 nat44_ei_main_t *nm = &nat44_ei_main;
124 reg = vl_api_client_index_to_registration (mp->client_index);
128 vec_foreach (worker_index, nm->workers)
130 send_nat_worker_details (*worker_index, reg, mp->context);
135 vl_api_nat44_ei_set_log_level_t_handler (vl_api_nat44_ei_set_log_level_t *mp)
137 nat44_ei_main_t *nm = &nat44_ei_main;
138 vl_api_nat44_ei_set_log_level_reply_t *rmp;
141 if (nm->log_level > NAT_LOG_DEBUG)
142 rv = VNET_API_ERROR_UNSUPPORTED;
144 nm->log_level = mp->log_level;
146 REPLY_MACRO (VL_API_NAT44_EI_SET_LOG_LEVEL_REPLY);
150 vl_api_nat44_ei_plugin_enable_disable_t_handler (
151 vl_api_nat44_ei_plugin_enable_disable_t *mp)
153 nat44_ei_main_t *nm = &nat44_ei_main;
154 nat44_ei_config_t c = { 0 };
155 vl_api_nat44_ei_plugin_enable_disable_reply_t *rmp;
160 c.static_mapping_only = mp->flags & NAT44_EI_STATIC_MAPPING_ONLY;
161 c.connection_tracking = mp->flags & NAT44_EI_CONNECTION_TRACKING;
162 c.out2in_dpo = mp->flags & NAT44_EI_OUT2IN_DPO;
164 c.inside_vrf = ntohl (mp->inside_vrf);
165 c.outside_vrf = ntohl (mp->outside_vrf);
167 c.users = ntohl (mp->users);
169 c.sessions = ntohl (mp->sessions);
171 c.user_sessions = ntohl (mp->user_sessions);
173 rv = nat44_ei_plugin_enable (c);
176 rv = nat44_ei_plugin_disable ();
178 REPLY_MACRO (VL_API_NAT44_EI_PLUGIN_ENABLE_DISABLE_REPLY);
182 vl_api_nat44_ei_ipfix_enable_disable_t_handler (
183 vl_api_nat44_ei_ipfix_enable_disable_t *mp)
185 nat44_ei_main_t *nm = &nat44_ei_main;
186 vl_api_nat44_ei_ipfix_enable_disable_reply_t *rmp;
189 rv = nat_ipfix_logging_enable_disable (mp->enable,
190 clib_host_to_net_u32 (mp->domain_id),
191 clib_host_to_net_u16 (mp->src_port));
193 REPLY_MACRO (VL_API_NAT44_EI_IPFIX_ENABLE_DISABLE_REPLY);
197 vl_api_nat44_ei_set_timeouts_t_handler (vl_api_nat44_ei_set_timeouts_t *mp)
199 nat44_ei_main_t *nm = &nat44_ei_main;
200 vl_api_nat44_ei_set_timeouts_reply_t *rmp;
203 nm->timeouts.udp = ntohl (mp->udp);
204 nm->timeouts.tcp.established = ntohl (mp->tcp_established);
205 nm->timeouts.tcp.transitory = ntohl (mp->tcp_transitory);
206 nm->timeouts.icmp = ntohl (mp->icmp);
208 REPLY_MACRO (VL_API_NAT44_EI_SET_TIMEOUTS_REPLY);
212 vl_api_nat44_ei_set_addr_and_port_alloc_alg_t_handler (
213 vl_api_nat44_ei_set_addr_and_port_alloc_alg_t *mp)
215 nat44_ei_main_t *nm = &nat44_ei_main;
216 vl_api_nat44_ei_set_addr_and_port_alloc_alg_reply_t *rmp;
218 u16 port_start, port_end;
222 case NAT44_EI_ADDR_AND_PORT_ALLOC_ALG_DEFAULT:
223 nat44_ei_set_alloc_default ();
225 case NAT44_EI_ADDR_AND_PORT_ALLOC_ALG_MAPE:
226 nat44_ei_set_alloc_mape (ntohs (mp->psid), mp->psid_offset,
229 case NAT44_EI_ADDR_AND_PORT_ALLOC_ALG_RANGE:
230 port_start = ntohs (mp->start_port);
231 port_end = ntohs (mp->end_port);
232 if (port_end <= port_start)
234 rv = VNET_API_ERROR_INVALID_VALUE;
237 nat44_ei_set_alloc_range (port_start, port_end);
240 rv = VNET_API_ERROR_INVALID_VALUE;
245 REPLY_MACRO (VL_API_NAT44_EI_SET_ADDR_AND_PORT_ALLOC_ALG_REPLY);
249 vl_api_nat44_ei_get_addr_and_port_alloc_alg_t_handler (
250 vl_api_nat44_ei_get_addr_and_port_alloc_alg_t *mp)
252 nat44_ei_main_t *nm = &nat44_ei_main;
253 vl_api_nat44_ei_get_addr_and_port_alloc_alg_reply_t *rmp;
256 REPLY_MACRO2 (VL_API_NAT44_EI_GET_ADDR_AND_PORT_ALLOC_ALG_REPLY, ({
257 rmp->alg = nm->addr_and_port_alloc_alg;
258 rmp->psid_offset = nm->psid_offset;
259 rmp->psid_length = nm->psid_length;
260 rmp->psid = htons (nm->psid);
261 rmp->start_port = htons (nm->start_port);
262 rmp->end_port = htons (nm->end_port);
267 vl_api_nat44_ei_set_mss_clamping_t_handler (
268 vl_api_nat44_ei_set_mss_clamping_t *mp)
270 nat44_ei_main_t *nm = &nat44_ei_main;
271 vl_api_nat44_ei_set_mss_clamping_reply_t *rmp;
275 nm->mss_clamping = ntohs (mp->mss_value);
277 nm->mss_clamping = 0;
279 REPLY_MACRO (VL_API_NAT44_EI_SET_MSS_CLAMPING_REPLY);
283 vl_api_nat44_ei_get_mss_clamping_t_handler (
284 vl_api_nat44_ei_get_mss_clamping_t *mp)
286 nat44_ei_main_t *nm = &nat44_ei_main;
287 vl_api_nat44_ei_get_mss_clamping_reply_t *rmp;
290 REPLY_MACRO2 (VL_API_NAT44_EI_GET_MSS_CLAMPING_REPLY, ({
291 rmp->enable = nm->mss_clamping ? 1 : 0;
292 rmp->mss_value = htons (nm->mss_clamping);
297 vl_api_nat44_ei_ha_set_listener_t_handler (
298 vl_api_nat44_ei_ha_set_listener_t *mp)
300 nat44_ei_main_t *nm = &nat44_ei_main;
301 vl_api_nat44_ei_ha_set_listener_reply_t *rmp;
305 memcpy (&addr, &mp->ip_address, sizeof (addr));
306 rv = nat_ha_set_listener (vlib_get_main (), &addr,
307 clib_net_to_host_u16 (mp->port),
308 clib_net_to_host_u32 (mp->path_mtu));
310 REPLY_MACRO (VL_API_NAT44_EI_HA_SET_LISTENER_REPLY);
314 vl_api_nat44_ei_ha_get_listener_t_handler (
315 vl_api_nat44_ei_ha_get_listener_t *mp)
317 nat44_ei_main_t *nm = &nat44_ei_main;
318 vl_api_nat44_ei_ha_get_listener_reply_t *rmp;
324 nat_ha_get_listener (&addr, &port, &path_mtu);
326 REPLY_MACRO2 (VL_API_NAT44_EI_HA_GET_LISTENER_REPLY, ({
327 clib_memcpy (rmp->ip_address, &addr, sizeof (ip4_address_t));
328 rmp->port = clib_host_to_net_u16 (port);
329 rmp->path_mtu = clib_host_to_net_u32 (path_mtu);
334 vl_api_nat44_ei_ha_set_failover_t_handler (
335 vl_api_nat44_ei_ha_set_failover_t *mp)
337 nat44_ei_main_t *nm = &nat44_ei_main;
338 vl_api_nat44_ei_ha_set_failover_reply_t *rmp;
342 memcpy (&addr, &mp->ip_address, sizeof (addr));
343 rv = nat_ha_set_failover (
344 vlib_get_main (), &addr, clib_net_to_host_u16 (mp->port),
345 clib_net_to_host_u32 (mp->session_refresh_interval));
347 REPLY_MACRO (VL_API_NAT44_EI_HA_SET_FAILOVER_REPLY);
351 vl_api_nat44_ei_ha_get_failover_t_handler (
352 vl_api_nat44_ei_ha_get_failover_t *mp)
354 nat44_ei_main_t *nm = &nat44_ei_main;
355 vl_api_nat44_ei_ha_get_failover_reply_t *rmp;
359 u32 session_refresh_interval;
361 nat_ha_get_failover (&addr, &port, &session_refresh_interval);
363 REPLY_MACRO2 (VL_API_NAT44_EI_HA_GET_FAILOVER_REPLY, ({
364 clib_memcpy (rmp->ip_address, &addr, sizeof (ip4_address_t));
365 rmp->port = clib_host_to_net_u16 (port);
366 rmp->session_refresh_interval =
367 clib_host_to_net_u32 (session_refresh_interval);
372 vl_api_nat44_ei_ha_flush_t_handler (vl_api_nat44_ei_ha_flush_t *mp)
374 nat44_ei_main_t *nm = &nat44_ei_main;
375 vl_api_nat44_ei_ha_flush_reply_t *rmp;
380 REPLY_MACRO (VL_API_NAT44_EI_HA_FLUSH_REPLY);
384 nat_ha_resync_completed_event_cb (u32 client_index, u32 pid, u32 missed_count)
386 nat44_ei_main_t *nm = &nat44_ei_main;
387 vl_api_registration_t *reg;
388 vl_api_nat44_ei_ha_resync_completed_event_t *mp;
390 reg = vl_api_client_index_to_registration (client_index);
394 mp = vl_msg_api_alloc (sizeof (*mp));
395 clib_memset (mp, 0, sizeof (*mp));
396 mp->client_index = client_index;
398 mp->missed_count = clib_host_to_net_u32 (missed_count);
400 ntohs (VL_API_NAT44_EI_HA_RESYNC_COMPLETED_EVENT + nm->msg_id_base);
402 vl_api_send_msg (reg, (u8 *) mp);
406 vl_api_nat44_ei_ha_resync_t_handler (vl_api_nat44_ei_ha_resync_t *mp)
408 nat44_ei_main_t *nm = &nat44_ei_main;
409 vl_api_nat44_ei_ha_resync_reply_t *rmp;
413 mp->client_index, mp->pid,
414 mp->want_resync_event ? nat_ha_resync_completed_event_cb : NULL);
416 REPLY_MACRO (VL_API_NAT44_EI_HA_RESYNC_REPLY);
420 vl_api_nat44_ei_del_user_t_handler (vl_api_nat44_ei_del_user_t *mp)
422 nat44_ei_main_t *nm = &nat44_ei_main;
423 vl_api_nat44_ei_del_user_reply_t *rmp;
426 memcpy (&addr.as_u8, mp->ip_address, 4);
427 rv = nat44_ei_user_del (&addr, ntohl (mp->fib_index));
428 REPLY_MACRO (VL_API_NAT44_EI_DEL_USER_REPLY);
432 vl_api_nat44_ei_add_del_address_range_t_handler (
433 vl_api_nat44_ei_add_del_address_range_t *mp)
435 nat44_ei_main_t *nm = &nat44_ei_main;
436 vl_api_nat44_ei_add_del_address_range_reply_t *rmp;
437 ip4_address_t this_addr;
439 u32 start_host_order, end_host_order;
445 if (nm->static_mapping_only)
447 rv = VNET_API_ERROR_FEATURE_DISABLED;
453 tmp = (u32 *) mp->first_ip_address;
454 start_host_order = clib_host_to_net_u32 (tmp[0]);
455 tmp = (u32 *) mp->last_ip_address;
456 end_host_order = clib_host_to_net_u32 (tmp[0]);
458 count = (end_host_order - start_host_order) + 1;
460 vrf_id = clib_host_to_net_u32 (mp->vrf_id);
463 nat44_ei_log_info ("%U - %U, %d addresses...", format_ip4_address,
464 mp->first_ip_address, format_ip4_address,
465 mp->last_ip_address, count);
467 memcpy (&this_addr.as_u8, mp->first_ip_address, 4);
469 for (i = 0; i < count; i++)
472 rv = nat44_ei_add_address (nm, &this_addr, vrf_id);
474 rv = nat44_ei_del_address (nm, this_addr, 0);
480 nat44_ei_add_del_address_dpo (this_addr, is_add);
482 increment_v4_address (&this_addr);
486 REPLY_MACRO (VL_API_NAT44_EI_ADD_DEL_ADDRESS_RANGE_REPLY);
490 send_nat44_ei_address_details (nat44_ei_address_t *a,
491 vl_api_registration_t *reg, u32 context)
493 vl_api_nat44_ei_address_details_t *rmp;
494 nat44_ei_main_t *nm = &nat44_ei_main;
496 rmp = vl_msg_api_alloc (sizeof (*rmp));
497 clib_memset (rmp, 0, sizeof (*rmp));
498 rmp->_vl_msg_id = ntohs (VL_API_NAT44_EI_ADDRESS_DETAILS + nm->msg_id_base);
499 clib_memcpy (rmp->ip_address, &(a->addr), 4);
500 if (a->fib_index != ~0)
502 fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4);
503 rmp->vrf_id = ntohl (fib->ft_table_id);
507 rmp->context = context;
509 vl_api_send_msg (reg, (u8 *) rmp);
513 vl_api_nat44_ei_address_dump_t_handler (vl_api_nat44_ei_address_dump_t *mp)
515 vl_api_registration_t *reg;
516 nat44_ei_main_t *nm = &nat44_ei_main;
517 nat44_ei_address_t *a;
519 reg = vl_api_client_index_to_registration (mp->client_index);
523 vec_foreach (a, nm->addresses)
525 send_nat44_ei_address_details (a, reg, mp->context);
530 vl_api_nat44_ei_interface_add_del_feature_t_handler (
531 vl_api_nat44_ei_interface_add_del_feature_t *mp)
533 nat44_ei_main_t *nm = &nat44_ei_main;
534 vl_api_nat44_ei_interface_add_del_feature_reply_t *rmp;
535 u32 sw_if_index = ntohl (mp->sw_if_index);
539 is_del = !mp->is_add;
541 VALIDATE_SW_IF_INDEX (mp);
543 rv = nat44_ei_interface_add_del (sw_if_index, mp->flags & NAT44_EI_IF_INSIDE,
546 BAD_SW_IF_INDEX_LABEL;
548 REPLY_MACRO (VL_API_NAT44_EI_INTERFACE_ADD_DEL_FEATURE_REPLY);
552 send_nat44_ei_interface_details (nat44_ei_interface_t *i,
553 vl_api_registration_t *reg, u32 context)
555 vl_api_nat44_ei_interface_details_t *rmp;
556 nat44_ei_main_t *nm = &nat44_ei_main;
558 rmp = vl_msg_api_alloc (sizeof (*rmp));
559 clib_memset (rmp, 0, sizeof (*rmp));
561 ntohs (VL_API_NAT44_EI_INTERFACE_DETAILS + nm->msg_id_base);
562 rmp->sw_if_index = ntohl (i->sw_if_index);
564 if (nat44_ei_interface_is_inside (i))
565 rmp->flags |= NAT44_EI_IF_INSIDE;
566 if (nat44_ei_interface_is_outside (i))
567 rmp->flags |= NAT44_EI_IF_OUTSIDE;
569 rmp->context = context;
571 vl_api_send_msg (reg, (u8 *) rmp);
575 vl_api_nat44_ei_interface_dump_t_handler (vl_api_nat44_ei_interface_dump_t *mp)
577 vl_api_registration_t *reg;
578 nat44_ei_main_t *nm = &nat44_ei_main;
579 nat44_ei_interface_t *i;
581 reg = vl_api_client_index_to_registration (mp->client_index);
585 pool_foreach (i, nm->interfaces)
587 send_nat44_ei_interface_details (i, reg, mp->context);
592 vl_api_nat44_ei_interface_add_del_output_feature_t_handler (
593 vl_api_nat44_ei_interface_add_del_output_feature_t *mp)
595 nat44_ei_main_t *nm = &nat44_ei_main;
596 vl_api_nat44_ei_interface_add_del_output_feature_reply_t *rmp;
597 u32 sw_if_index = ntohl (mp->sw_if_index);
600 VALIDATE_SW_IF_INDEX (mp);
602 rv = nat44_ei_interface_add_del_output_feature (
603 sw_if_index, mp->flags & NAT44_EI_IF_INSIDE, !mp->is_add);
605 BAD_SW_IF_INDEX_LABEL;
606 REPLY_MACRO (VL_API_NAT44_EI_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY);
610 send_nat44_ei_interface_output_feature_details (nat44_ei_interface_t *i,
611 vl_api_registration_t *reg,
614 vl_api_nat44_ei_interface_output_feature_details_t *rmp;
615 nat44_ei_main_t *nm = &nat44_ei_main;
617 rmp = vl_msg_api_alloc (sizeof (*rmp));
618 clib_memset (rmp, 0, sizeof (*rmp));
620 ntohs (VL_API_NAT44_EI_INTERFACE_OUTPUT_FEATURE_DETAILS + nm->msg_id_base);
621 rmp->sw_if_index = ntohl (i->sw_if_index);
622 rmp->context = context;
624 if (nat44_ei_interface_is_inside (i))
625 rmp->flags |= NAT44_EI_IF_INSIDE;
627 vl_api_send_msg (reg, (u8 *) rmp);
631 vl_api_nat44_ei_interface_output_feature_dump_t_handler (
632 vl_api_nat44_ei_interface_output_feature_dump_t *mp)
634 vl_api_registration_t *reg;
635 nat44_ei_main_t *nm = &nat44_ei_main;
636 nat44_ei_interface_t *i;
638 reg = vl_api_client_index_to_registration (mp->client_index);
642 pool_foreach (i, nm->output_feature_interfaces)
644 send_nat44_ei_interface_output_feature_details (i, reg, mp->context);
649 vl_api_nat44_ei_add_del_static_mapping_t_handler (
650 vl_api_nat44_ei_add_del_static_mapping_t *mp)
652 nat44_ei_main_t *nm = &nat44_ei_main;
653 vl_api_nat44_ei_add_del_static_mapping_reply_t *rmp;
654 ip4_address_t local_addr, external_addr;
655 u16 local_port = 0, external_port = 0;
656 u32 vrf_id, external_sw_if_index;
658 nat_protocol_t proto;
661 memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
662 memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
664 if (!(mp->flags & NAT44_EI_ADDR_ONLY_MAPPING))
666 local_port = mp->local_port;
667 external_port = mp->external_port;
670 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
671 external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
672 proto = ip_proto_to_nat_proto (mp->protocol);
674 mp->tag[sizeof (mp->tag) - 1] = 0;
675 tag = format (0, "%s", mp->tag);
676 vec_terminate_c_string (tag);
678 rv = nat44_ei_add_del_static_mapping (
679 local_addr, external_addr, local_port, external_port, proto,
680 external_sw_if_index, vrf_id, mp->flags & NAT44_EI_ADDR_ONLY_MAPPING, 0,
685 REPLY_MACRO (VL_API_NAT44_EI_ADD_DEL_STATIC_MAPPING_REPLY);
689 send_nat44_ei_static_mapping_details (nat44_ei_static_mapping_t *m,
690 vl_api_registration_t *reg, u32 context)
692 vl_api_nat44_ei_static_mapping_details_t *rmp;
693 nat44_ei_main_t *nm = &nat44_ei_main;
694 u32 len = sizeof (*rmp);
696 rmp = vl_msg_api_alloc (len);
697 clib_memset (rmp, 0, len);
699 ntohs (VL_API_NAT44_EI_STATIC_MAPPING_DETAILS + nm->msg_id_base);
701 clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
702 clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
703 rmp->external_sw_if_index = ~0;
704 rmp->vrf_id = htonl (m->vrf_id);
705 rmp->context = context;
707 if (nat44_ei_is_addr_only_static_mapping (m))
709 rmp->flags |= NAT44_EI_ADDR_ONLY_MAPPING;
713 rmp->protocol = nat_proto_to_ip_proto (m->proto);
714 rmp->external_port = m->external_port;
715 rmp->local_port = m->local_port;
719 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
721 vl_api_send_msg (reg, (u8 *) rmp);
725 send_nat44_ei_static_map_resolve_details (nat44_ei_static_map_resolve_t *m,
726 vl_api_registration_t *reg,
729 vl_api_nat44_ei_static_mapping_details_t *rmp;
730 nat44_ei_main_t *nm = &nat44_ei_main;
732 rmp = vl_msg_api_alloc (sizeof (*rmp));
733 clib_memset (rmp, 0, sizeof (*rmp));
735 ntohs (VL_API_NAT44_EI_STATIC_MAPPING_DETAILS + nm->msg_id_base);
736 clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4);
737 rmp->external_sw_if_index = htonl (m->sw_if_index);
738 rmp->vrf_id = htonl (m->vrf_id);
739 rmp->context = context;
743 rmp->flags |= NAT44_EI_ADDR_ONLY_MAPPING;
747 rmp->protocol = nat_proto_to_ip_proto (m->proto);
748 rmp->external_port = m->e_port;
749 rmp->local_port = m->l_port;
752 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
754 vl_api_send_msg (reg, (u8 *) rmp);
758 vl_api_nat44_ei_static_mapping_dump_t_handler (
759 vl_api_nat44_ei_static_mapping_dump_t *mp)
761 vl_api_registration_t *reg;
762 nat44_ei_main_t *nm = &nat44_ei_main;
763 nat44_ei_static_mapping_t *m;
764 nat44_ei_static_map_resolve_t *rp;
767 reg = vl_api_client_index_to_registration (mp->client_index);
771 pool_foreach (m, nm->static_mappings)
773 if (!nat44_ei_is_identity_static_mapping (m))
774 send_nat44_ei_static_mapping_details (m, reg, mp->context);
777 for (j = 0; j < vec_len (nm->to_resolve); j++)
779 rp = nm->to_resolve + j;
780 if (!rp->identity_nat)
781 send_nat44_ei_static_map_resolve_details (rp, reg, mp->context);
786 vl_api_nat44_ei_add_del_identity_mapping_t_handler (
787 vl_api_nat44_ei_add_del_identity_mapping_t *mp)
789 nat44_ei_main_t *nm = &nat44_ei_main;
790 vl_api_nat44_ei_add_del_identity_mapping_reply_t *rmp;
793 u32 vrf_id, sw_if_index;
795 nat_protocol_t proto = NAT_PROTOCOL_OTHER;
798 if (!(mp->flags & NAT44_EI_ADDR_ONLY_MAPPING))
801 proto = ip_proto_to_nat_proto (mp->protocol);
803 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
804 sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
805 if (sw_if_index != ~0)
808 memcpy (&addr.as_u8, mp->ip_address, 4);
809 mp->tag[sizeof (mp->tag) - 1] = 0;
810 tag = format (0, "%s", mp->tag);
811 vec_terminate_c_string (tag);
813 rv = nat44_ei_add_del_static_mapping (
814 addr, addr, port, port, proto, sw_if_index, vrf_id,
815 mp->flags & NAT44_EI_ADDR_ONLY_MAPPING, 1, tag, mp->is_add);
819 REPLY_MACRO (VL_API_NAT44_EI_ADD_DEL_IDENTITY_MAPPING_REPLY);
823 send_nat44_ei_identity_mapping_details (nat44_ei_static_mapping_t *m,
824 int index, vl_api_registration_t *reg,
827 vl_api_nat44_ei_identity_mapping_details_t *rmp;
828 nat44_ei_main_t *nm = &nat44_ei_main;
829 nat44_ei_lb_addr_port_t *local = pool_elt_at_index (m->locals, index);
831 rmp = vl_msg_api_alloc (sizeof (*rmp));
832 clib_memset (rmp, 0, sizeof (*rmp));
834 ntohs (VL_API_NAT44_EI_IDENTITY_MAPPING_DETAILS + nm->msg_id_base);
836 if (nat44_ei_is_addr_only_static_mapping (m))
837 rmp->flags |= NAT44_EI_ADDR_ONLY_MAPPING;
839 clib_memcpy (rmp->ip_address, &(m->local_addr), 4);
840 rmp->port = m->local_port;
841 rmp->sw_if_index = ~0;
842 rmp->vrf_id = htonl (local->vrf_id);
843 rmp->protocol = nat_proto_to_ip_proto (m->proto);
844 rmp->context = context;
846 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
848 vl_api_send_msg (reg, (u8 *) rmp);
852 send_nat44_ei_identity_map_resolve_details (nat44_ei_static_map_resolve_t *m,
853 vl_api_registration_t *reg,
856 vl_api_nat44_ei_identity_mapping_details_t *rmp;
857 nat44_ei_main_t *nm = &nat44_ei_main;
858 rmp = vl_msg_api_alloc (sizeof (*rmp));
859 clib_memset (rmp, 0, sizeof (*rmp));
861 ntohs (VL_API_NAT44_EI_IDENTITY_MAPPING_DETAILS + nm->msg_id_base);
864 rmp->flags = (vl_api_nat44_ei_config_flags_t) NAT44_EI_ADDR_ONLY_MAPPING;
866 rmp->port = m->l_port;
867 rmp->sw_if_index = htonl (m->sw_if_index);
868 rmp->vrf_id = htonl (m->vrf_id);
869 rmp->protocol = nat_proto_to_ip_proto (m->proto);
870 rmp->context = context;
872 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
874 vl_api_send_msg (reg, (u8 *) rmp);
878 vl_api_nat44_ei_identity_mapping_dump_t_handler (
879 vl_api_nat44_ei_identity_mapping_dump_t *mp)
881 vl_api_registration_t *reg;
882 nat44_ei_main_t *nm = &nat44_ei_main;
883 nat44_ei_static_mapping_t *m;
884 nat44_ei_static_map_resolve_t *rp;
887 reg = vl_api_client_index_to_registration (mp->client_index);
891 pool_foreach (m, nm->static_mappings)
893 if (nat44_ei_is_identity_static_mapping (m))
895 pool_foreach_index (j, m->locals)
897 send_nat44_ei_identity_mapping_details (m, j, reg, mp->context);
902 for (j = 0; j < vec_len (nm->to_resolve); j++)
904 rp = nm->to_resolve + j;
905 if (rp->identity_nat)
906 send_nat44_ei_identity_map_resolve_details (rp, reg, mp->context);
911 vl_api_nat44_ei_add_del_interface_addr_t_handler (
912 vl_api_nat44_ei_add_del_interface_addr_t *mp)
914 nat44_ei_main_t *nm = &nat44_ei_main;
915 vl_api_nat44_ei_add_del_interface_addr_reply_t *rmp;
916 u32 sw_if_index = ntohl (mp->sw_if_index);
920 is_del = !mp->is_add;
922 VALIDATE_SW_IF_INDEX (mp);
924 rv = nat44_ei_add_interface_address (nm, sw_if_index, is_del);
926 BAD_SW_IF_INDEX_LABEL;
927 REPLY_MACRO (VL_API_NAT44_EI_ADD_DEL_INTERFACE_ADDR_REPLY);
931 send_nat44_ei_interface_addr_details (u32 sw_if_index,
932 vl_api_registration_t *reg, u32 context)
934 vl_api_nat44_ei_interface_addr_details_t *rmp;
935 nat44_ei_main_t *nm = &nat44_ei_main;
937 rmp = vl_msg_api_alloc (sizeof (*rmp));
938 clib_memset (rmp, 0, sizeof (*rmp));
940 ntohs (VL_API_NAT44_EI_INTERFACE_ADDR_DETAILS + nm->msg_id_base);
941 rmp->sw_if_index = ntohl (sw_if_index);
942 rmp->context = context;
944 vl_api_send_msg (reg, (u8 *) rmp);
948 vl_api_nat44_ei_interface_addr_dump_t_handler (
949 vl_api_nat44_ei_interface_addr_dump_t *mp)
951 vl_api_registration_t *reg;
952 nat44_ei_main_t *nm = &nat44_ei_main;
955 reg = vl_api_client_index_to_registration (mp->client_index);
959 vec_foreach (i, nm->auto_add_sw_if_indices)
960 send_nat44_ei_interface_addr_details (*i, reg, mp->context);
964 send_nat44_ei_user_details (nat44_ei_user_t *u, vl_api_registration_t *reg,
967 vl_api_nat44_ei_user_details_t *rmp;
968 nat44_ei_main_t *nm = &nat44_ei_main;
969 ip4_main_t *im = &ip4_main;
971 rmp = vl_msg_api_alloc (sizeof (*rmp));
972 clib_memset (rmp, 0, sizeof (*rmp));
973 rmp->_vl_msg_id = ntohs (VL_API_NAT44_EI_USER_DETAILS + nm->msg_id_base);
975 if (!pool_is_free_index (im->fibs, u->fib_index))
977 fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4);
978 rmp->vrf_id = ntohl (fib->ft_table_id);
981 clib_memcpy (rmp->ip_address, &(u->addr), 4);
982 rmp->nsessions = ntohl (u->nsessions);
983 rmp->nstaticsessions = ntohl (u->nstaticsessions);
984 rmp->context = context;
986 vl_api_send_msg (reg, (u8 *) rmp);
990 vl_api_nat44_ei_user_dump_t_handler (vl_api_nat44_ei_user_dump_t *mp)
992 vl_api_registration_t *reg;
993 nat44_ei_main_t *nm = &nat44_ei_main;
994 nat44_ei_main_per_thread_data_t *tnm;
997 reg = vl_api_client_index_to_registration (mp->client_index);
1001 vec_foreach (tnm, nm->per_thread_data)
1003 pool_foreach (u, tnm->users)
1005 send_nat44_ei_user_details (u, reg, mp->context);
1011 send_nat44_ei_user_session_details (nat44_ei_session_t *s,
1012 vl_api_registration_t *reg, u32 context)
1014 vl_api_nat44_ei_user_session_details_t *rmp;
1015 nat44_ei_main_t *nm = &nat44_ei_main;
1017 rmp = vl_msg_api_alloc (sizeof (*rmp));
1018 clib_memset (rmp, 0, sizeof (*rmp));
1020 ntohs (VL_API_NAT44_EI_USER_SESSION_DETAILS + nm->msg_id_base);
1021 clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4);
1022 clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4);
1024 if (nat44_ei_is_session_static (s))
1025 rmp->flags |= NAT44_EI_STATIC_MAPPING;
1027 rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard);
1028 rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes);
1029 rmp->total_pkts = ntohl (s->total_pkts);
1030 rmp->context = context;
1031 if (nat44_ei_is_unk_proto_session (s))
1033 rmp->outside_port = 0;
1034 rmp->inside_port = 0;
1035 rmp->protocol = ntohs (s->in2out.port);
1039 rmp->outside_port = s->out2in.port;
1040 rmp->inside_port = s->in2out.port;
1041 rmp->protocol = ntohs (nat_proto_to_ip_proto (s->nat_proto));
1043 vl_api_send_msg (reg, (u8 *) rmp);
1047 vl_api_nat44_ei_user_session_dump_t_handler (
1048 vl_api_nat44_ei_user_session_dump_t *mp)
1050 vl_api_registration_t *reg;
1051 nat44_ei_main_t *nm = &nat44_ei_main;
1052 nat44_ei_main_per_thread_data_t *tnm;
1053 nat44_ei_session_t *s;
1054 clib_bihash_kv_8_8_t key, value;
1055 nat44_ei_user_key_t ukey;
1057 u32 session_index, head_index, elt_index;
1058 dlist_elt_t *head, *elt;
1061 reg = vl_api_client_index_to_registration (mp->client_index);
1065 clib_memcpy (&ukey.addr, mp->ip_address, 4);
1066 ip.src_address.as_u32 = ukey.addr.as_u32;
1067 ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id));
1068 key.key = ukey.as_u64;
1069 if (nm->num_workers > 1)
1070 tnm = vec_elt_at_index (
1071 nm->per_thread_data,
1072 nat44_ei_get_in2out_worker_index (&ip, ukey.fib_index, 0));
1074 tnm = vec_elt_at_index (nm->per_thread_data, nm->num_workers);
1076 if (clib_bihash_search_8_8 (&tnm->user_hash, &key, &value))
1078 u = pool_elt_at_index (tnm->users, value.value);
1079 if (!u->nsessions && !u->nstaticsessions)
1082 head_index = u->sessions_per_user_list_head_index;
1083 head = pool_elt_at_index (tnm->list_pool, head_index);
1084 elt_index = head->next;
1085 elt = pool_elt_at_index (tnm->list_pool, elt_index);
1086 session_index = elt->value;
1087 while (session_index != ~0)
1089 s = pool_elt_at_index (tnm->sessions, session_index);
1091 send_nat44_ei_user_session_details (s, reg, mp->context);
1093 elt_index = elt->next;
1094 elt = pool_elt_at_index (tnm->list_pool, elt_index);
1095 session_index = elt->value;
1100 vl_api_nat44_ei_del_session_t_handler (vl_api_nat44_ei_del_session_t *mp)
1102 nat44_ei_main_t *nm = &nat44_ei_main;
1103 vl_api_nat44_ei_del_session_reply_t *rmp;
1104 ip4_address_t addr, eh_addr;
1109 nat_protocol_t proto;
1111 memcpy (&addr.as_u8, mp->address, 4);
1113 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
1114 proto = ip_proto_to_nat_proto (mp->protocol);
1115 memcpy (&eh_addr.as_u8, mp->ext_host_address, 4);
1117 // is session inside ?
1118 is_in = mp->flags & NAT44_EI_IF_INSIDE;
1120 rv = nat44_ei_del_session (nm, &addr, port, proto, vrf_id, is_in);
1122 REPLY_MACRO (VL_API_NAT44_EI_DEL_SESSION_REPLY);
1126 vl_api_nat44_ei_forwarding_enable_disable_t_handler (
1127 vl_api_nat44_ei_forwarding_enable_disable_t *mp)
1129 nat44_ei_main_t *nm = &nat44_ei_main;
1130 vl_api_nat44_ei_forwarding_enable_disable_reply_t *rmp;
1132 u32 *ses_to_be_removed = 0, *ses_index;
1133 nat44_ei_main_per_thread_data_t *tnm;
1134 nat44_ei_session_t *s;
1136 nm->forwarding_enabled = mp->enable != 0;
1138 if (mp->enable == 0)
1140 vec_foreach (tnm, nm->per_thread_data)
1142 vec_foreach (ses_index, ses_to_be_removed)
1144 s = pool_elt_at_index (tnm->sessions, ses_index[0]);
1145 nat44_ei_free_session_data (nm, s, tnm - nm->per_thread_data, 0);
1146 nat44_ei_delete_session (nm, s, tnm - nm->per_thread_data);
1149 vec_free (ses_to_be_removed);
1153 REPLY_MACRO (VL_API_NAT44_EI_FORWARDING_ENABLE_DISABLE_REPLY);
1157 vl_api_nat44_ei_set_fq_options_t_handler (vl_api_nat44_ei_set_fq_options_t *mp)
1159 nat44_ei_main_t *nm = &nat44_ei_main;
1160 vl_api_nat44_ei_set_fq_options_reply_t *rmp;
1162 u32 frame_queue_nelts = ntohl (mp->frame_queue_nelts);
1163 rv = nat44_ei_set_frame_queue_nelts (frame_queue_nelts);
1164 REPLY_MACRO (VL_API_NAT44_EI_SET_FQ_OPTIONS_REPLY);
1168 vl_api_nat44_ei_show_fq_options_t_handler (
1169 vl_api_nat44_ei_show_fq_options_t *mp)
1171 nat44_ei_main_t *nm = &nat44_ei_main;
1172 vl_api_nat44_ei_show_fq_options_reply_t *rmp;
1174 /* clang-format off */
1175 REPLY_MACRO2_ZERO (VL_API_NAT44_EI_SHOW_FQ_OPTIONS_REPLY,
1177 rmp->frame_queue_nelts = htonl (nm->frame_queue_nelts);
1179 /* clang-format on */
1182 /* API definitions */
1183 #include <vnet/format_fns.h>
1184 #include <nat/nat44-ei/nat44_ei.api.c>
1186 /* Set up the API message handling tables */
1188 nat44_ei_api_hookup (vlib_main_t *vm)
1190 nat44_ei_main_t *nm = &nat44_ei_main;
1191 nm->msg_id_base = setup_message_id_table ();
1196 * fd.io coding-style-patch-verification: ON
1199 * eval: (c-set-style "gnu")