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 (&addr, clib_net_to_host_u16 (mp->port),
307 clib_net_to_host_u32 (mp->path_mtu));
309 REPLY_MACRO (VL_API_NAT44_EI_HA_SET_LISTENER_REPLY);
313 vl_api_nat44_ei_ha_get_listener_t_handler (
314 vl_api_nat44_ei_ha_get_listener_t *mp)
316 nat44_ei_main_t *nm = &nat44_ei_main;
317 vl_api_nat44_ei_ha_get_listener_reply_t *rmp;
323 nat_ha_get_listener (&addr, &port, &path_mtu);
325 REPLY_MACRO2 (VL_API_NAT44_EI_HA_GET_LISTENER_REPLY, ({
326 clib_memcpy (rmp->ip_address, &addr, sizeof (ip4_address_t));
327 rmp->port = clib_host_to_net_u16 (port);
328 rmp->path_mtu = clib_host_to_net_u32 (path_mtu);
333 vl_api_nat44_ei_ha_set_failover_t_handler (
334 vl_api_nat44_ei_ha_set_failover_t *mp)
336 nat44_ei_main_t *nm = &nat44_ei_main;
337 vl_api_nat44_ei_ha_set_failover_reply_t *rmp;
341 memcpy (&addr, &mp->ip_address, sizeof (addr));
343 nat_ha_set_failover (&addr, clib_net_to_host_u16 (mp->port),
344 clib_net_to_host_u32 (mp->session_refresh_interval));
346 REPLY_MACRO (VL_API_NAT44_EI_HA_SET_FAILOVER_REPLY);
350 vl_api_nat44_ei_ha_get_failover_t_handler (
351 vl_api_nat44_ei_ha_get_failover_t *mp)
353 nat44_ei_main_t *nm = &nat44_ei_main;
354 vl_api_nat44_ei_ha_get_failover_reply_t *rmp;
358 u32 session_refresh_interval;
360 nat_ha_get_failover (&addr, &port, &session_refresh_interval);
362 REPLY_MACRO2 (VL_API_NAT44_EI_HA_GET_FAILOVER_REPLY, ({
363 clib_memcpy (rmp->ip_address, &addr, sizeof (ip4_address_t));
364 rmp->port = clib_host_to_net_u16 (port);
365 rmp->session_refresh_interval =
366 clib_host_to_net_u32 (session_refresh_interval);
371 vl_api_nat44_ei_ha_flush_t_handler (vl_api_nat44_ei_ha_flush_t *mp)
373 nat44_ei_main_t *nm = &nat44_ei_main;
374 vl_api_nat44_ei_ha_flush_reply_t *rmp;
379 REPLY_MACRO (VL_API_NAT44_EI_HA_FLUSH_REPLY);
383 nat_ha_resync_completed_event_cb (u32 client_index, u32 pid, u32 missed_count)
385 nat44_ei_main_t *nm = &nat44_ei_main;
386 vl_api_registration_t *reg;
387 vl_api_nat44_ei_ha_resync_completed_event_t *mp;
389 reg = vl_api_client_index_to_registration (client_index);
393 mp = vl_msg_api_alloc (sizeof (*mp));
394 clib_memset (mp, 0, sizeof (*mp));
395 mp->client_index = client_index;
397 mp->missed_count = clib_host_to_net_u32 (missed_count);
399 ntohs (VL_API_NAT44_EI_HA_RESYNC_COMPLETED_EVENT + nm->msg_id_base);
401 vl_api_send_msg (reg, (u8 *) mp);
405 vl_api_nat44_ei_ha_resync_t_handler (vl_api_nat44_ei_ha_resync_t *mp)
407 nat44_ei_main_t *nm = &nat44_ei_main;
408 vl_api_nat44_ei_ha_resync_reply_t *rmp;
412 mp->client_index, mp->pid,
413 mp->want_resync_event ? nat_ha_resync_completed_event_cb : NULL);
415 REPLY_MACRO (VL_API_NAT44_EI_HA_RESYNC_REPLY);
419 vl_api_nat44_ei_del_user_t_handler (vl_api_nat44_ei_del_user_t *mp)
421 nat44_ei_main_t *nm = &nat44_ei_main;
422 vl_api_nat44_ei_del_user_reply_t *rmp;
425 memcpy (&addr.as_u8, mp->ip_address, 4);
426 rv = nat44_ei_user_del (&addr, ntohl (mp->fib_index));
427 REPLY_MACRO (VL_API_NAT44_EI_DEL_USER_REPLY);
431 vl_api_nat44_ei_add_del_address_range_t_handler (
432 vl_api_nat44_ei_add_del_address_range_t *mp)
434 nat44_ei_main_t *nm = &nat44_ei_main;
435 vl_api_nat44_ei_add_del_address_range_reply_t *rmp;
436 ip4_address_t this_addr;
438 u32 start_host_order, end_host_order;
444 if (nm->static_mapping_only)
446 rv = VNET_API_ERROR_FEATURE_DISABLED;
452 tmp = (u32 *) mp->first_ip_address;
453 start_host_order = clib_host_to_net_u32 (tmp[0]);
454 tmp = (u32 *) mp->last_ip_address;
455 end_host_order = clib_host_to_net_u32 (tmp[0]);
457 count = (end_host_order - start_host_order) + 1;
459 vrf_id = clib_host_to_net_u32 (mp->vrf_id);
462 nat44_ei_log_info ("%U - %U, %d addresses...", format_ip4_address,
463 mp->first_ip_address, format_ip4_address,
464 mp->last_ip_address, count);
466 memcpy (&this_addr.as_u8, mp->first_ip_address, 4);
468 for (i = 0; i < count; i++)
471 rv = nat44_ei_add_address (nm, &this_addr, vrf_id);
473 rv = nat44_ei_del_address (nm, this_addr, 0);
479 nat44_ei_add_del_address_dpo (this_addr, is_add);
481 increment_v4_address (&this_addr);
485 REPLY_MACRO (VL_API_NAT44_EI_ADD_DEL_ADDRESS_RANGE_REPLY);
489 send_nat44_ei_address_details (nat44_ei_address_t *a,
490 vl_api_registration_t *reg, u32 context)
492 vl_api_nat44_ei_address_details_t *rmp;
493 nat44_ei_main_t *nm = &nat44_ei_main;
495 rmp = vl_msg_api_alloc (sizeof (*rmp));
496 clib_memset (rmp, 0, sizeof (*rmp));
497 rmp->_vl_msg_id = ntohs (VL_API_NAT44_EI_ADDRESS_DETAILS + nm->msg_id_base);
498 clib_memcpy (rmp->ip_address, &(a->addr), 4);
499 if (a->fib_index != ~0)
501 fib_table_t *fib = fib_table_get (a->fib_index, FIB_PROTOCOL_IP4);
502 rmp->vrf_id = ntohl (fib->ft_table_id);
506 rmp->context = context;
508 vl_api_send_msg (reg, (u8 *) rmp);
512 vl_api_nat44_ei_address_dump_t_handler (vl_api_nat44_ei_address_dump_t *mp)
514 vl_api_registration_t *reg;
515 nat44_ei_main_t *nm = &nat44_ei_main;
516 nat44_ei_address_t *a;
518 reg = vl_api_client_index_to_registration (mp->client_index);
522 vec_foreach (a, nm->addresses)
524 send_nat44_ei_address_details (a, reg, mp->context);
529 vl_api_nat44_ei_interface_add_del_feature_t_handler (
530 vl_api_nat44_ei_interface_add_del_feature_t *mp)
532 nat44_ei_main_t *nm = &nat44_ei_main;
533 vl_api_nat44_ei_interface_add_del_feature_reply_t *rmp;
534 u32 sw_if_index = ntohl (mp->sw_if_index);
538 is_del = !mp->is_add;
540 VALIDATE_SW_IF_INDEX (mp);
542 rv = nat44_ei_interface_add_del (sw_if_index, mp->flags & NAT44_EI_IF_INSIDE,
545 BAD_SW_IF_INDEX_LABEL;
547 REPLY_MACRO (VL_API_NAT44_EI_INTERFACE_ADD_DEL_FEATURE_REPLY);
551 send_nat44_ei_interface_details (nat44_ei_interface_t *i,
552 vl_api_registration_t *reg, u32 context)
554 vl_api_nat44_ei_interface_details_t *rmp;
555 nat44_ei_main_t *nm = &nat44_ei_main;
557 rmp = vl_msg_api_alloc (sizeof (*rmp));
558 clib_memset (rmp, 0, sizeof (*rmp));
560 ntohs (VL_API_NAT44_EI_INTERFACE_DETAILS + nm->msg_id_base);
561 rmp->sw_if_index = ntohl (i->sw_if_index);
563 if (nat44_ei_interface_is_inside (i))
564 rmp->flags |= NAT44_EI_IF_INSIDE;
565 if (nat44_ei_interface_is_outside (i))
566 rmp->flags |= NAT44_EI_IF_OUTSIDE;
568 rmp->context = context;
570 vl_api_send_msg (reg, (u8 *) rmp);
574 vl_api_nat44_ei_interface_dump_t_handler (vl_api_nat44_ei_interface_dump_t *mp)
576 vl_api_registration_t *reg;
577 nat44_ei_main_t *nm = &nat44_ei_main;
578 nat44_ei_interface_t *i;
580 reg = vl_api_client_index_to_registration (mp->client_index);
584 pool_foreach (i, nm->interfaces)
586 send_nat44_ei_interface_details (i, reg, mp->context);
591 vl_api_nat44_ei_interface_add_del_output_feature_t_handler (
592 vl_api_nat44_ei_interface_add_del_output_feature_t *mp)
594 nat44_ei_main_t *nm = &nat44_ei_main;
595 vl_api_nat44_ei_interface_add_del_output_feature_reply_t *rmp;
596 u32 sw_if_index = ntohl (mp->sw_if_index);
599 VALIDATE_SW_IF_INDEX (mp);
601 rv = nat44_ei_interface_add_del_output_feature (
602 sw_if_index, mp->flags & NAT44_EI_IF_INSIDE, !mp->is_add);
604 BAD_SW_IF_INDEX_LABEL;
605 REPLY_MACRO (VL_API_NAT44_EI_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY);
609 send_nat44_ei_interface_output_feature_details (nat44_ei_interface_t *i,
610 vl_api_registration_t *reg,
613 vl_api_nat44_ei_interface_output_feature_details_t *rmp;
614 nat44_ei_main_t *nm = &nat44_ei_main;
616 rmp = vl_msg_api_alloc (sizeof (*rmp));
617 clib_memset (rmp, 0, sizeof (*rmp));
619 ntohs (VL_API_NAT44_EI_INTERFACE_OUTPUT_FEATURE_DETAILS + nm->msg_id_base);
620 rmp->sw_if_index = ntohl (i->sw_if_index);
621 rmp->context = context;
623 if (nat44_ei_interface_is_inside (i))
624 rmp->flags |= NAT44_EI_IF_INSIDE;
626 vl_api_send_msg (reg, (u8 *) rmp);
630 vl_api_nat44_ei_interface_output_feature_dump_t_handler (
631 vl_api_nat44_ei_interface_output_feature_dump_t *mp)
633 vl_api_registration_t *reg;
634 nat44_ei_main_t *nm = &nat44_ei_main;
635 nat44_ei_interface_t *i;
637 reg = vl_api_client_index_to_registration (mp->client_index);
641 pool_foreach (i, nm->output_feature_interfaces)
643 send_nat44_ei_interface_output_feature_details (i, reg, mp->context);
648 vl_api_nat44_ei_add_del_static_mapping_t_handler (
649 vl_api_nat44_ei_add_del_static_mapping_t *mp)
651 nat44_ei_main_t *nm = &nat44_ei_main;
652 vl_api_nat44_ei_add_del_static_mapping_reply_t *rmp;
653 ip4_address_t local_addr, external_addr;
654 u16 local_port = 0, external_port = 0;
655 u32 vrf_id, external_sw_if_index;
657 nat_protocol_t proto;
660 memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
661 memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
663 if (!(mp->flags & NAT44_EI_ADDR_ONLY_MAPPING))
665 local_port = mp->local_port;
666 external_port = mp->external_port;
669 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
670 external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
671 proto = ip_proto_to_nat_proto (mp->protocol);
673 mp->tag[sizeof (mp->tag) - 1] = 0;
674 tag = format (0, "%s", mp->tag);
675 vec_terminate_c_string (tag);
677 rv = nat44_ei_add_del_static_mapping (
678 local_addr, external_addr, local_port, external_port, proto,
679 external_sw_if_index, vrf_id, mp->flags & NAT44_EI_ADDR_ONLY_MAPPING, 0,
684 REPLY_MACRO (VL_API_NAT44_EI_ADD_DEL_STATIC_MAPPING_REPLY);
688 send_nat44_ei_static_mapping_details (nat44_ei_static_mapping_t *m,
689 vl_api_registration_t *reg, u32 context)
691 vl_api_nat44_ei_static_mapping_details_t *rmp;
692 nat44_ei_main_t *nm = &nat44_ei_main;
693 u32 len = sizeof (*rmp);
695 rmp = vl_msg_api_alloc (len);
696 clib_memset (rmp, 0, len);
698 ntohs (VL_API_NAT44_EI_STATIC_MAPPING_DETAILS + nm->msg_id_base);
700 clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
701 clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
702 rmp->external_sw_if_index = ~0;
703 rmp->vrf_id = htonl (m->vrf_id);
704 rmp->context = context;
706 if (nat44_ei_is_addr_only_static_mapping (m))
708 rmp->flags |= NAT44_EI_ADDR_ONLY_MAPPING;
712 rmp->protocol = nat_proto_to_ip_proto (m->proto);
713 rmp->external_port = m->external_port;
714 rmp->local_port = m->local_port;
718 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
720 vl_api_send_msg (reg, (u8 *) rmp);
724 send_nat44_ei_static_map_resolve_details (nat44_ei_static_map_resolve_t *m,
725 vl_api_registration_t *reg,
728 vl_api_nat44_ei_static_mapping_details_t *rmp;
729 nat44_ei_main_t *nm = &nat44_ei_main;
731 rmp = vl_msg_api_alloc (sizeof (*rmp));
732 clib_memset (rmp, 0, sizeof (*rmp));
734 ntohs (VL_API_NAT44_EI_STATIC_MAPPING_DETAILS + nm->msg_id_base);
735 clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4);
736 rmp->external_sw_if_index = htonl (m->sw_if_index);
737 rmp->vrf_id = htonl (m->vrf_id);
738 rmp->context = context;
742 rmp->flags |= NAT44_EI_ADDR_ONLY_MAPPING;
746 rmp->protocol = nat_proto_to_ip_proto (m->proto);
747 rmp->external_port = m->e_port;
748 rmp->local_port = m->l_port;
751 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
753 vl_api_send_msg (reg, (u8 *) rmp);
757 vl_api_nat44_ei_static_mapping_dump_t_handler (
758 vl_api_nat44_ei_static_mapping_dump_t *mp)
760 vl_api_registration_t *reg;
761 nat44_ei_main_t *nm = &nat44_ei_main;
762 nat44_ei_static_mapping_t *m;
763 nat44_ei_static_map_resolve_t *rp;
766 reg = vl_api_client_index_to_registration (mp->client_index);
770 pool_foreach (m, nm->static_mappings)
772 if (!nat44_ei_is_identity_static_mapping (m))
773 send_nat44_ei_static_mapping_details (m, reg, mp->context);
776 for (j = 0; j < vec_len (nm->to_resolve); j++)
778 rp = nm->to_resolve + j;
779 if (!rp->identity_nat)
780 send_nat44_ei_static_map_resolve_details (rp, reg, mp->context);
785 vl_api_nat44_ei_add_del_identity_mapping_t_handler (
786 vl_api_nat44_ei_add_del_identity_mapping_t *mp)
788 nat44_ei_main_t *nm = &nat44_ei_main;
789 vl_api_nat44_ei_add_del_identity_mapping_reply_t *rmp;
792 u32 vrf_id, sw_if_index;
794 nat_protocol_t proto = NAT_PROTOCOL_OTHER;
797 if (!(mp->flags & NAT44_EI_ADDR_ONLY_MAPPING))
800 proto = ip_proto_to_nat_proto (mp->protocol);
802 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
803 sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
804 if (sw_if_index != ~0)
807 memcpy (&addr.as_u8, mp->ip_address, 4);
808 mp->tag[sizeof (mp->tag) - 1] = 0;
809 tag = format (0, "%s", mp->tag);
810 vec_terminate_c_string (tag);
812 rv = nat44_ei_add_del_static_mapping (
813 addr, addr, port, port, proto, sw_if_index, vrf_id,
814 mp->flags & NAT44_EI_ADDR_ONLY_MAPPING, 1, tag, mp->is_add);
818 REPLY_MACRO (VL_API_NAT44_EI_ADD_DEL_IDENTITY_MAPPING_REPLY);
822 send_nat44_ei_identity_mapping_details (nat44_ei_static_mapping_t *m,
823 int index, vl_api_registration_t *reg,
826 vl_api_nat44_ei_identity_mapping_details_t *rmp;
827 nat44_ei_main_t *nm = &nat44_ei_main;
828 nat44_ei_lb_addr_port_t *local = pool_elt_at_index (m->locals, index);
830 rmp = vl_msg_api_alloc (sizeof (*rmp));
831 clib_memset (rmp, 0, sizeof (*rmp));
833 ntohs (VL_API_NAT44_EI_IDENTITY_MAPPING_DETAILS + nm->msg_id_base);
835 if (nat44_ei_is_addr_only_static_mapping (m))
836 rmp->flags |= NAT44_EI_ADDR_ONLY_MAPPING;
838 clib_memcpy (rmp->ip_address, &(m->local_addr), 4);
839 rmp->port = m->local_port;
840 rmp->sw_if_index = ~0;
841 rmp->vrf_id = htonl (local->vrf_id);
842 rmp->protocol = nat_proto_to_ip_proto (m->proto);
843 rmp->context = context;
845 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
847 vl_api_send_msg (reg, (u8 *) rmp);
851 send_nat44_ei_identity_map_resolve_details (nat44_ei_static_map_resolve_t *m,
852 vl_api_registration_t *reg,
855 vl_api_nat44_ei_identity_mapping_details_t *rmp;
856 nat44_ei_main_t *nm = &nat44_ei_main;
857 rmp = vl_msg_api_alloc (sizeof (*rmp));
858 clib_memset (rmp, 0, sizeof (*rmp));
860 ntohs (VL_API_NAT44_EI_IDENTITY_MAPPING_DETAILS + nm->msg_id_base);
863 rmp->flags = (vl_api_nat44_ei_config_flags_t) NAT44_EI_ADDR_ONLY_MAPPING;
865 rmp->port = m->l_port;
866 rmp->sw_if_index = htonl (m->sw_if_index);
867 rmp->vrf_id = htonl (m->vrf_id);
868 rmp->protocol = nat_proto_to_ip_proto (m->proto);
869 rmp->context = context;
871 strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
873 vl_api_send_msg (reg, (u8 *) rmp);
877 vl_api_nat44_ei_identity_mapping_dump_t_handler (
878 vl_api_nat44_ei_identity_mapping_dump_t *mp)
880 vl_api_registration_t *reg;
881 nat44_ei_main_t *nm = &nat44_ei_main;
882 nat44_ei_static_mapping_t *m;
883 nat44_ei_static_map_resolve_t *rp;
886 reg = vl_api_client_index_to_registration (mp->client_index);
890 pool_foreach (m, nm->static_mappings)
892 if (nat44_ei_is_identity_static_mapping (m))
894 pool_foreach_index (j, m->locals)
896 send_nat44_ei_identity_mapping_details (m, j, reg, mp->context);
901 for (j = 0; j < vec_len (nm->to_resolve); j++)
903 rp = nm->to_resolve + j;
904 if (rp->identity_nat)
905 send_nat44_ei_identity_map_resolve_details (rp, reg, mp->context);
910 vl_api_nat44_ei_add_del_interface_addr_t_handler (
911 vl_api_nat44_ei_add_del_interface_addr_t *mp)
913 nat44_ei_main_t *nm = &nat44_ei_main;
914 vl_api_nat44_ei_add_del_interface_addr_reply_t *rmp;
915 u32 sw_if_index = ntohl (mp->sw_if_index);
919 is_del = !mp->is_add;
921 VALIDATE_SW_IF_INDEX (mp);
923 rv = nat44_ei_add_interface_address (nm, sw_if_index, is_del);
925 BAD_SW_IF_INDEX_LABEL;
926 REPLY_MACRO (VL_API_NAT44_EI_ADD_DEL_INTERFACE_ADDR_REPLY);
930 send_nat44_ei_interface_addr_details (u32 sw_if_index,
931 vl_api_registration_t *reg, u32 context)
933 vl_api_nat44_ei_interface_addr_details_t *rmp;
934 nat44_ei_main_t *nm = &nat44_ei_main;
936 rmp = vl_msg_api_alloc (sizeof (*rmp));
937 clib_memset (rmp, 0, sizeof (*rmp));
939 ntohs (VL_API_NAT44_EI_INTERFACE_ADDR_DETAILS + nm->msg_id_base);
940 rmp->sw_if_index = ntohl (sw_if_index);
941 rmp->context = context;
943 vl_api_send_msg (reg, (u8 *) rmp);
947 vl_api_nat44_ei_interface_addr_dump_t_handler (
948 vl_api_nat44_ei_interface_addr_dump_t *mp)
950 vl_api_registration_t *reg;
951 nat44_ei_main_t *nm = &nat44_ei_main;
954 reg = vl_api_client_index_to_registration (mp->client_index);
958 vec_foreach (i, nm->auto_add_sw_if_indices)
959 send_nat44_ei_interface_addr_details (*i, reg, mp->context);
963 send_nat44_ei_user_details (nat44_ei_user_t *u, vl_api_registration_t *reg,
966 vl_api_nat44_ei_user_details_t *rmp;
967 nat44_ei_main_t *nm = &nat44_ei_main;
968 ip4_main_t *im = &ip4_main;
970 rmp = vl_msg_api_alloc (sizeof (*rmp));
971 clib_memset (rmp, 0, sizeof (*rmp));
972 rmp->_vl_msg_id = ntohs (VL_API_NAT44_EI_USER_DETAILS + nm->msg_id_base);
974 if (!pool_is_free_index (im->fibs, u->fib_index))
976 fib_table_t *fib = fib_table_get (u->fib_index, FIB_PROTOCOL_IP4);
977 rmp->vrf_id = ntohl (fib->ft_table_id);
980 clib_memcpy (rmp->ip_address, &(u->addr), 4);
981 rmp->nsessions = ntohl (u->nsessions);
982 rmp->nstaticsessions = ntohl (u->nstaticsessions);
983 rmp->context = context;
985 vl_api_send_msg (reg, (u8 *) rmp);
989 vl_api_nat44_ei_user_dump_t_handler (vl_api_nat44_ei_user_dump_t *mp)
991 vl_api_registration_t *reg;
992 nat44_ei_main_t *nm = &nat44_ei_main;
993 nat44_ei_main_per_thread_data_t *tnm;
996 reg = vl_api_client_index_to_registration (mp->client_index);
1000 vec_foreach (tnm, nm->per_thread_data)
1002 pool_foreach (u, tnm->users)
1004 send_nat44_ei_user_details (u, reg, mp->context);
1010 send_nat44_ei_user_session_details (nat44_ei_session_t *s,
1011 vl_api_registration_t *reg, u32 context)
1013 vl_api_nat44_ei_user_session_details_t *rmp;
1014 nat44_ei_main_t *nm = &nat44_ei_main;
1016 rmp = vl_msg_api_alloc (sizeof (*rmp));
1017 clib_memset (rmp, 0, sizeof (*rmp));
1019 ntohs (VL_API_NAT44_EI_USER_SESSION_DETAILS + nm->msg_id_base);
1020 clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4);
1021 clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4);
1023 if (nat44_ei_is_session_static (s))
1024 rmp->flags |= NAT44_EI_STATIC_MAPPING;
1026 rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard);
1027 rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes);
1028 rmp->total_pkts = ntohl (s->total_pkts);
1029 rmp->context = context;
1030 if (nat44_ei_is_unk_proto_session (s))
1032 rmp->outside_port = 0;
1033 rmp->inside_port = 0;
1034 rmp->protocol = ntohs (s->in2out.port);
1038 rmp->outside_port = s->out2in.port;
1039 rmp->inside_port = s->in2out.port;
1040 rmp->protocol = ntohs (nat_proto_to_ip_proto (s->nat_proto));
1042 vl_api_send_msg (reg, (u8 *) rmp);
1046 vl_api_nat44_ei_user_session_dump_t_handler (
1047 vl_api_nat44_ei_user_session_dump_t *mp)
1049 vl_api_registration_t *reg;
1050 nat44_ei_main_t *nm = &nat44_ei_main;
1051 nat44_ei_main_per_thread_data_t *tnm;
1052 nat44_ei_session_t *s;
1053 clib_bihash_kv_8_8_t key, value;
1054 nat44_ei_user_key_t ukey;
1056 u32 session_index, head_index, elt_index;
1057 dlist_elt_t *head, *elt;
1060 reg = vl_api_client_index_to_registration (mp->client_index);
1064 clib_memcpy (&ukey.addr, mp->ip_address, 4);
1065 ip.src_address.as_u32 = ukey.addr.as_u32;
1066 ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id));
1067 key.key = ukey.as_u64;
1068 if (nm->num_workers > 1)
1069 tnm = vec_elt_at_index (nm->per_thread_data,
1070 nm->worker_in2out_cb (&ip, ukey.fib_index, 0));
1072 tnm = vec_elt_at_index (nm->per_thread_data, nm->num_workers);
1074 if (clib_bihash_search_8_8 (&tnm->user_hash, &key, &value))
1076 u = pool_elt_at_index (tnm->users, value.value);
1077 if (!u->nsessions && !u->nstaticsessions)
1080 head_index = u->sessions_per_user_list_head_index;
1081 head = pool_elt_at_index (tnm->list_pool, head_index);
1082 elt_index = head->next;
1083 elt = pool_elt_at_index (tnm->list_pool, elt_index);
1084 session_index = elt->value;
1085 while (session_index != ~0)
1087 s = pool_elt_at_index (tnm->sessions, session_index);
1089 send_nat44_ei_user_session_details (s, reg, mp->context);
1091 elt_index = elt->next;
1092 elt = pool_elt_at_index (tnm->list_pool, elt_index);
1093 session_index = elt->value;
1098 vl_api_nat44_ei_del_session_t_handler (vl_api_nat44_ei_del_session_t *mp)
1100 nat44_ei_main_t *nm = &nat44_ei_main;
1101 vl_api_nat44_ei_del_session_reply_t *rmp;
1102 ip4_address_t addr, eh_addr;
1107 nat_protocol_t proto;
1109 memcpy (&addr.as_u8, mp->address, 4);
1111 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
1112 proto = ip_proto_to_nat_proto (mp->protocol);
1113 memcpy (&eh_addr.as_u8, mp->ext_host_address, 4);
1115 // is session inside ?
1116 is_in = mp->flags & NAT44_EI_IF_INSIDE;
1118 rv = nat44_ei_del_session (nm, &addr, port, proto, vrf_id, is_in);
1120 REPLY_MACRO (VL_API_NAT44_EI_DEL_SESSION_REPLY);
1124 vl_api_nat44_ei_forwarding_enable_disable_t_handler (
1125 vl_api_nat44_ei_forwarding_enable_disable_t *mp)
1127 nat44_ei_main_t *nm = &nat44_ei_main;
1128 vl_api_nat44_ei_forwarding_enable_disable_reply_t *rmp;
1130 u32 *ses_to_be_removed = 0, *ses_index;
1131 nat44_ei_main_per_thread_data_t *tnm;
1132 nat44_ei_session_t *s;
1134 nm->forwarding_enabled = mp->enable != 0;
1136 if (mp->enable == 0)
1138 vec_foreach (tnm, nm->per_thread_data)
1140 vec_foreach (ses_index, ses_to_be_removed)
1142 s = pool_elt_at_index (tnm->sessions, ses_index[0]);
1143 nat44_ei_free_session_data (nm, s, tnm - nm->per_thread_data, 0);
1144 nat44_ei_delete_session (nm, s, tnm - nm->per_thread_data);
1147 vec_free (ses_to_be_removed);
1151 REPLY_MACRO (VL_API_NAT44_EI_FORWARDING_ENABLE_DISABLE_REPLY);
1155 vl_api_nat44_ei_set_fq_options_t_handler (vl_api_nat44_ei_set_fq_options_t *mp)
1157 nat44_ei_main_t *nm = &nat44_ei_main;
1158 vl_api_nat44_ei_set_fq_options_reply_t *rmp;
1160 u32 frame_queue_nelts = ntohl (mp->frame_queue_nelts);
1161 rv = nat44_ei_set_frame_queue_nelts (frame_queue_nelts);
1162 REPLY_MACRO (VL_API_NAT44_EI_SET_FQ_OPTIONS_REPLY);
1166 vl_api_nat44_ei_show_fq_options_t_handler (
1167 vl_api_nat44_ei_show_fq_options_t *mp)
1169 nat44_ei_main_t *nm = &nat44_ei_main;
1170 vl_api_nat44_ei_show_fq_options_reply_t *rmp;
1172 /* clang-format off */
1173 REPLY_MACRO2_ZERO (VL_API_NAT44_EI_SHOW_FQ_OPTIONS_REPLY,
1175 rmp->frame_queue_nelts = htonl (nm->frame_queue_nelts);
1177 /* clang-format on */
1180 /* API definitions */
1181 #include <vnet/format_fns.h>
1182 #include <nat/nat44-ei/nat44_ei.api.c>
1184 /* Set up the API message handling tables */
1186 nat44_ei_api_hookup (vlib_main_t *vm)
1188 nat44_ei_main_t *nm = &nat44_ei_main;
1189 nm->msg_id_base = setup_message_id_table ();
1194 * fd.io coding-style-patch-verification: ON
1197 * eval: (c-set-style "gnu")