2 * Copyright (c) 2017 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * @brief SNAT plugin API implementation
21 #include <snat/snat.h>
22 #include <snat/snat_det.h>
23 #include <vlibapi/api.h>
24 #include <vlibmemory/api.h>
25 #include <vlibsocket/api.h>
26 #include <snat/snat_msg_enum.h>
27 #include <vnet/fib/ip4_fib.h>
29 /* define message structures */
31 #include <snat/snat_all_api_h.h>
34 /* define generated endian-swappers */
36 #include <snat/snat_all_api_h.h>
39 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
41 #define REPLY_MSG_ID_BASE sm->msg_id_base
42 #include <vlibapi/api_helper_macros.h>
44 /* Get the API version number */
45 #define vl_api_version(n,v) static u32 api_version=(v);
46 #include <snat/snat_all_api_h.h>
49 /* Macro to finish up custom dump fns */
52 vl_print (handle, (char *)s); \
57 vl_api_snat_add_address_range_t_handler
58 (vl_api_snat_add_address_range_t * mp)
60 snat_main_t *sm = &snat_main;
61 vl_api_snat_add_address_range_reply_t *rmp;
62 ip4_address_t this_addr;
63 u32 start_host_order, end_host_order;
71 rv = VNET_API_ERROR_UNIMPLEMENTED;
75 if (sm->static_mapping_only)
77 rv = VNET_API_ERROR_FEATURE_DISABLED;
81 tmp = (u32 *) mp->first_ip_address;
82 start_host_order = clib_host_to_net_u32 (tmp[0]);
83 tmp = (u32 *) mp->last_ip_address;
84 end_host_order = clib_host_to_net_u32 (tmp[0]);
86 count = (end_host_order - start_host_order) + 1;
88 vrf_id = clib_host_to_net_u32 (mp->vrf_id);
91 clib_warning ("%U - %U, %d addresses...",
92 format_ip4_address, mp->first_ip_address,
93 format_ip4_address, mp->last_ip_address, count);
95 memcpy (&this_addr.as_u8, mp->first_ip_address, 4);
97 for (i = 0; i < count; i++)
100 snat_add_address (sm, &this_addr, vrf_id);
102 rv = snat_del_address (sm, this_addr, 0);
107 increment_v4_address (&this_addr);
111 REPLY_MACRO (VL_API_SNAT_ADD_ADDRESS_RANGE_REPLY);
114 static void *vl_api_snat_add_address_range_t_print
115 (vl_api_snat_add_address_range_t * mp, void *handle)
119 s = format (0, "SCRIPT: snat_add_address_range ");
120 s = format (s, "%U ", format_ip4_address, mp->first_ip_address);
121 if (memcmp (mp->first_ip_address, mp->last_ip_address, 4))
123 s = format (s, " - %U ", format_ip4_address, mp->last_ip_address);
129 send_snat_address_details
130 (snat_address_t * a, unix_shared_memory_queue_t * q, u32 context)
132 vl_api_snat_address_details_t *rmp;
133 snat_main_t *sm = &snat_main;
135 rmp = vl_msg_api_alloc (sizeof (*rmp));
136 memset (rmp, 0, sizeof (*rmp));
137 rmp->_vl_msg_id = ntohs (VL_API_SNAT_ADDRESS_DETAILS + sm->msg_id_base);
139 clib_memcpy (rmp->ip_address, &(a->addr), 4);
140 if (a->fib_index != ~0)
141 rmp->vrf_id = ntohl (ip4_fib_get (a->fib_index)->table_id);
144 rmp->context = context;
146 vl_msg_api_send_shmem (q, (u8 *) & rmp);
150 vl_api_snat_address_dump_t_handler (vl_api_snat_address_dump_t * mp)
152 unix_shared_memory_queue_t *q;
153 snat_main_t *sm = &snat_main;
156 q = vl_api_client_index_to_input_queue (mp->client_index);
161 vec_foreach (a, sm->addresses)
162 send_snat_address_details (a, q, mp->context);
166 static void *vl_api_snat_address_dump_t_print
167 (vl_api_snat_address_dump_t * mp, void *handle)
171 s = format (0, "SCRIPT: snat_address_dump ");
177 vl_api_snat_interface_add_del_feature_t_handler
178 (vl_api_snat_interface_add_del_feature_t * mp)
180 snat_main_t *sm = &snat_main;
181 vl_api_snat_interface_add_del_feature_reply_t *rmp;
182 u8 is_del = mp->is_add == 0;
183 u32 sw_if_index = ntohl (mp->sw_if_index);
186 VALIDATE_SW_IF_INDEX (mp);
188 rv = snat_interface_add_del (sw_if_index, mp->is_inside, is_del);
190 BAD_SW_IF_INDEX_LABEL;
192 REPLY_MACRO (VL_API_SNAT_INTERFACE_ADD_DEL_FEATURE_REPLY);
195 static void *vl_api_snat_interface_add_del_feature_t_print
196 (vl_api_snat_interface_add_del_feature_t * mp, void *handle)
200 s = format (0, "SCRIPT: snat_interface_add_del_feature ");
201 s = format (s, "sw_if_index %d %s %s",
202 clib_host_to_net_u32 (mp->sw_if_index),
203 mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
209 send_snat_interface_details
210 (snat_interface_t * i, unix_shared_memory_queue_t * q, u32 context)
212 vl_api_snat_interface_details_t *rmp;
213 snat_main_t *sm = &snat_main;
215 rmp = vl_msg_api_alloc (sizeof (*rmp));
216 memset (rmp, 0, sizeof (*rmp));
217 rmp->_vl_msg_id = ntohs (VL_API_SNAT_INTERFACE_DETAILS + sm->msg_id_base);
218 rmp->sw_if_index = ntohl (i->sw_if_index);
219 rmp->is_inside = i->is_inside;
220 rmp->context = context;
222 vl_msg_api_send_shmem (q, (u8 *) & rmp);
226 vl_api_snat_interface_dump_t_handler (vl_api_snat_interface_dump_t * mp)
228 unix_shared_memory_queue_t *q;
229 snat_main_t *sm = &snat_main;
232 q = vl_api_client_index_to_input_queue (mp->client_index);
237 pool_foreach (i, sm->interfaces,
239 send_snat_interface_details(i, q, mp->context);
244 static void *vl_api_snat_interface_dump_t_print
245 (vl_api_snat_interface_dump_t * mp, void *handle)
249 s = format (0, "SCRIPT: snat_interface_dump ");
253 vl_api_snat_add_static_mapping_t_handler
254 (vl_api_snat_add_static_mapping_t * mp)
256 snat_main_t *sm = &snat_main;
257 vl_api_snat_add_static_mapping_reply_t *rmp;
258 ip4_address_t local_addr, external_addr;
259 u16 local_port = 0, external_port = 0;
260 u32 vrf_id, external_sw_if_index;
262 snat_protocol_t proto;
266 rv = VNET_API_ERROR_UNIMPLEMENTED;
270 memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
271 memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
272 if (mp->addr_only == 0)
274 local_port = clib_net_to_host_u16 (mp->local_port);
275 external_port = clib_net_to_host_u16 (mp->external_port);
277 vrf_id = clib_net_to_host_u32 (mp->vrf_id);
278 external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
279 proto = ip_proto_to_snat_proto (mp->protocol);
281 rv = snat_add_static_mapping (local_addr, external_addr, local_port,
282 external_port, vrf_id, mp->addr_only,
283 external_sw_if_index, proto, mp->is_add);
286 REPLY_MACRO (VL_API_SNAT_ADD_ADDRESS_RANGE_REPLY);
289 static void *vl_api_snat_add_static_mapping_t_print
290 (vl_api_snat_add_static_mapping_t * mp, void *handle)
294 s = format (0, "SCRIPT: snat_add_static_mapping ");
295 s = format (s, "protocol %d local_addr %U external_addr %U ",
297 format_ip4_address, mp->local_ip_address,
298 format_ip4_address, mp->external_ip_address);
300 if (mp->addr_only == 0)
301 s = format (s, "local_port %d external_port %d ",
302 clib_net_to_host_u16 (mp->local_port),
303 clib_net_to_host_u16 (mp->external_port));
305 if (mp->vrf_id != ~0)
306 s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
308 if (mp->external_sw_if_index != ~0)
309 s = format (s, "external_sw_if_index %d",
310 clib_net_to_host_u32 (mp->external_sw_if_index));
315 send_snat_static_mapping_details
316 (snat_static_mapping_t * m, unix_shared_memory_queue_t * q, u32 context)
318 vl_api_snat_static_mapping_details_t *rmp;
319 snat_main_t *sm = &snat_main;
321 rmp = vl_msg_api_alloc (sizeof (*rmp));
322 memset (rmp, 0, sizeof (*rmp));
324 ntohs (VL_API_SNAT_STATIC_MAPPING_DETAILS + sm->msg_id_base);
326 rmp->addr_only = m->addr_only;
327 clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
328 clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
329 rmp->local_port = htons (m->local_port);
330 rmp->external_port = htons (m->external_port);
331 rmp->external_sw_if_index = ~0;
332 rmp->vrf_id = htonl (m->vrf_id);
333 rmp->protocol = snat_proto_to_ip_proto (m->proto);
334 rmp->context = context;
336 vl_msg_api_send_shmem (q, (u8 *) & rmp);
340 send_snat_static_map_resolve_details
341 (snat_static_map_resolve_t * m, unix_shared_memory_queue_t * q, u32 context)
343 vl_api_snat_static_mapping_details_t *rmp;
344 snat_main_t *sm = &snat_main;
346 rmp = vl_msg_api_alloc (sizeof (*rmp));
347 memset (rmp, 0, sizeof (*rmp));
349 ntohs (VL_API_SNAT_STATIC_MAPPING_DETAILS + sm->msg_id_base);
351 rmp->addr_only = m->addr_only;
352 clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4);
353 rmp->local_port = htons (m->l_port);
354 rmp->external_port = htons (m->e_port);
355 rmp->external_sw_if_index = htonl (m->sw_if_index);
356 rmp->vrf_id = htonl (m->vrf_id);
357 rmp->protocol = snat_proto_to_ip_proto (m->proto);
358 rmp->context = context;
360 vl_msg_api_send_shmem (q, (u8 *) & rmp);
364 vl_api_snat_static_mapping_dump_t_handler
365 (vl_api_snat_static_mapping_dump_t * mp)
367 unix_shared_memory_queue_t *q;
368 snat_main_t *sm = &snat_main;
369 snat_static_mapping_t *m;
370 snat_static_map_resolve_t *rp;
373 q = vl_api_client_index_to_input_queue (mp->client_index);
378 pool_foreach (m, sm->static_mappings,
380 send_snat_static_mapping_details (m, q, mp->context);
384 for (j = 0; j < vec_len (sm->to_resolve); j++)
386 rp = sm->to_resolve + j;
387 send_snat_static_map_resolve_details (rp, q, mp->context);
391 static void *vl_api_snat_static_mapping_dump_t_print
392 (vl_api_snat_static_mapping_dump_t * mp, void *handle)
396 s = format (0, "SCRIPT: snat_static_mapping_dump ");
402 vl_api_snat_control_ping_t_handler (vl_api_snat_control_ping_t * mp)
404 vl_api_snat_control_ping_reply_t *rmp;
405 snat_main_t *sm = &snat_main;
409 REPLY_MACRO2 (VL_API_SNAT_CONTROL_PING_REPLY,
411 rmp->vpe_pid = ntohl (getpid ());
416 static void *vl_api_snat_control_ping_t_print
417 (vl_api_snat_control_ping_t * mp, void *handle)
421 s = format (0, "SCRIPT: snat_control_ping ");
427 vl_api_snat_show_config_t_handler (vl_api_snat_show_config_t * mp)
429 vl_api_snat_show_config_reply_t *rmp;
430 snat_main_t *sm = &snat_main;
434 REPLY_MACRO2 (VL_API_SNAT_SHOW_CONFIG_REPLY,
436 rmp->translation_buckets = htonl (sm->translation_buckets);
437 rmp->translation_memory_size = htonl (sm->translation_memory_size);
438 rmp->user_buckets = htonl (sm->user_buckets);
439 rmp->user_memory_size = htonl (sm->user_memory_size);
440 rmp->max_translations_per_user = htonl (sm->max_translations_per_user);
441 rmp->outside_vrf_id = htonl (sm->outside_vrf_id);
442 rmp->inside_vrf_id = htonl (sm->inside_vrf_id);
443 rmp->static_mapping_only = sm->static_mapping_only;
444 rmp->static_mapping_connection_tracking =
445 sm->static_mapping_connection_tracking;
446 rmp->deterministic = sm->deterministic;
451 static void *vl_api_snat_show_config_t_print
452 (vl_api_snat_show_config_t * mp, void *handle)
456 s = format (0, "SCRIPT: snat_show_config ");
462 vl_api_snat_set_workers_t_handler (vl_api_snat_set_workers_t * mp)
464 snat_main_t *sm = &snat_main;
465 vl_api_snat_set_workers_reply_t *rmp;
468 u64 mask = clib_net_to_host_u64 (mp->worker_mask);
470 if (sm->num_workers < 2)
472 rv = VNET_API_ERROR_FEATURE_DISABLED;
476 bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
477 rv = snat_set_workers (bitmap);
478 clib_bitmap_free (bitmap);
481 REPLY_MACRO (VL_API_SNAT_SET_WORKERS_REPLY);
484 static void *vl_api_snat_set_workers_t_print
485 (vl_api_snat_set_workers_t * mp, void *handle)
491 u64 mask = clib_net_to_host_u64 (mp->worker_mask);
493 s = format (0, "SCRIPT: snat_set_workers ");
494 bitmap = clib_bitmap_set_multiple (bitmap, 0, mask, BITS (mask));
496 clib_bitmap_foreach (i, bitmap,
499 s = format (s, "%d", i);
501 s = format (s, ",%d", i);
505 clib_bitmap_free (bitmap);
510 send_snat_worker_details
511 (u32 worker_index, unix_shared_memory_queue_t * q, u32 context)
513 vl_api_snat_worker_details_t *rmp;
514 snat_main_t *sm = &snat_main;
515 vlib_worker_thread_t *w =
516 vlib_worker_threads + worker_index + sm->first_worker_index;
518 rmp = vl_msg_api_alloc (sizeof (*rmp));
519 memset (rmp, 0, sizeof (*rmp));
520 rmp->_vl_msg_id = ntohs (VL_API_SNAT_WORKER_DETAILS + sm->msg_id_base);
521 rmp->context = context;
522 rmp->worker_index = htonl (worker_index);
523 rmp->lcore_id = htonl (w->lcore_id);
524 strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1);
526 vl_msg_api_send_shmem (q, (u8 *) & rmp);
530 vl_api_snat_worker_dump_t_handler (vl_api_snat_worker_dump_t * mp)
532 unix_shared_memory_queue_t *q;
533 snat_main_t *sm = &snat_main;
536 q = vl_api_client_index_to_input_queue (mp->client_index);
541 vec_foreach (worker_index, sm->workers)
542 send_snat_worker_details(*worker_index, q, mp->context);
546 static void *vl_api_snat_worker_dump_t_print
547 (vl_api_snat_worker_dump_t * mp, void *handle)
551 s = format (0, "SCRIPT: snat_worker_dump ");
557 vl_api_snat_add_del_interface_addr_t_handler
558 (vl_api_snat_add_del_interface_addr_t * mp)
560 snat_main_t *sm = &snat_main;
561 vl_api_snat_add_del_interface_addr_reply_t *rmp;
562 u8 is_del = mp->is_add == 0;
563 u32 sw_if_index = ntohl (mp->sw_if_index);
566 VALIDATE_SW_IF_INDEX (mp);
568 rv = snat_add_interface_address (sm, sw_if_index, is_del);
570 BAD_SW_IF_INDEX_LABEL;
572 REPLY_MACRO (VL_API_SNAT_ADD_DEL_INTERFACE_ADDR_REPLY);
575 static void *vl_api_snat_add_del_interface_addr_t_print
576 (vl_api_snat_add_del_interface_addr_t * mp, void *handle)
580 s = format (0, "SCRIPT: snat_add_del_interface_addr ");
581 s = format (s, "sw_if_index %d %s",
582 clib_host_to_net_u32 (mp->sw_if_index),
583 mp->is_add ? "" : "del");
589 send_snat_interface_addr_details
590 (u32 sw_if_index, unix_shared_memory_queue_t * q, u32 context)
592 vl_api_snat_interface_addr_details_t *rmp;
593 snat_main_t *sm = &snat_main;
595 rmp = vl_msg_api_alloc (sizeof (*rmp));
596 memset (rmp, 0, sizeof (*rmp));
598 ntohs (VL_API_SNAT_INTERFACE_ADDR_DETAILS + sm->msg_id_base);
599 rmp->sw_if_index = ntohl (sw_if_index);
600 rmp->context = context;
602 vl_msg_api_send_shmem (q, (u8 *) & rmp);
606 vl_api_snat_interface_addr_dump_t_handler
607 (vl_api_snat_interface_addr_dump_t * mp)
609 unix_shared_memory_queue_t *q;
610 snat_main_t *sm = &snat_main;
613 q = vl_api_client_index_to_input_queue (mp->client_index);
618 vec_foreach (i, sm->auto_add_sw_if_indices)
619 send_snat_interface_addr_details(*i, q, mp->context);
623 static void *vl_api_snat_interface_addr_dump_t_print
624 (vl_api_snat_interface_addr_dump_t * mp, void *handle)
628 s = format (0, "SCRIPT: snat_interface_addr_dump ");
634 vl_api_snat_ipfix_enable_disable_t_handler
635 (vl_api_snat_ipfix_enable_disable_t * mp)
637 snat_main_t *sm = &snat_main;
638 vl_api_snat_ipfix_enable_disable_reply_t *rmp;
641 rv = snat_ipfix_logging_enable_disable (mp->enable,
647 REPLY_MACRO (VL_API_SNAT_IPFIX_ENABLE_DISABLE_REPLY);
650 static void *vl_api_snat_ipfix_enable_disable_t_print
651 (vl_api_snat_ipfix_enable_disable_t * mp, void *handle)
655 s = format (0, "SCRIPT: snat_ipfix_enable_disable ");
657 s = format (s, "domain %d ", clib_net_to_host_u32 (mp->domain_id));
659 s = format (s, "src_port %d ", clib_net_to_host_u16 (mp->src_port));
661 s = format (s, "disable ");
667 send_snat_user_details
668 (snat_user_t * u, unix_shared_memory_queue_t * q, u32 context)
670 vl_api_snat_user_details_t *rmp;
671 snat_main_t *sm = &snat_main;
672 ip4_fib_t *fib_table;
674 rmp = vl_msg_api_alloc (sizeof (*rmp));
675 memset (rmp, 0, sizeof (*rmp));
676 rmp->_vl_msg_id = ntohs (VL_API_SNAT_USER_DETAILS + sm->msg_id_base);
678 fib_table = ip4_fib_get (u->fib_index);
679 rmp->vrf_id = ntohl (fib_table->table_id);
682 clib_memcpy (rmp->ip_address, &(u->addr), 4);
683 rmp->nsessions = ntohl (u->nsessions);
684 rmp->nstaticsessions = ntohl (u->nstaticsessions);
685 rmp->context = context;
687 vl_msg_api_send_shmem (q, (u8 *) & rmp);
691 vl_api_snat_user_dump_t_handler (vl_api_snat_user_dump_t * mp)
693 unix_shared_memory_queue_t *q;
694 snat_main_t *sm = &snat_main;
695 snat_main_per_thread_data_t *tsm;
698 q = vl_api_client_index_to_input_queue (mp->client_index);
703 vec_foreach (tsm, sm->per_thread_data)
704 vec_foreach (u, tsm->users)
705 send_snat_user_details (u, q, mp->context);
709 static void *vl_api_snat_user_dump_t_print
710 (vl_api_snat_user_dump_t * mp, void *handle)
714 s = format (0, "SCRIPT: snat_user_dump ");
720 send_snat_user_session_details
721 (snat_session_t * s, unix_shared_memory_queue_t * q, u32 context)
723 vl_api_snat_user_session_details_t *rmp;
724 snat_main_t *sm = &snat_main;
726 rmp = vl_msg_api_alloc (sizeof (*rmp));
727 memset (rmp, 0, sizeof (*rmp));
729 ntohs (VL_API_SNAT_USER_SESSION_DETAILS + sm->msg_id_base);
731 clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4);
732 rmp->outside_port = s->out2in.port;
733 clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4);
734 rmp->inside_port = s->in2out.port;
735 rmp->protocol = ntohs (snat_proto_to_ip_proto (s->in2out.protocol));
736 rmp->is_static = s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING ? 1 : 0;
737 rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard);
738 rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes);
739 rmp->total_pkts = ntohl (s->total_pkts);
740 rmp->context = context;
742 vl_msg_api_send_shmem (q, (u8 *) & rmp);
746 vl_api_snat_user_session_dump_t_handler
747 (vl_api_snat_user_session_dump_t * mp)
749 unix_shared_memory_queue_t *q;
750 snat_main_t *sm = &snat_main;
751 snat_main_per_thread_data_t *tsm;
753 clib_bihash_kv_8_8_t key, value;
754 snat_user_key_t ukey;
756 u32 session_index, head_index, elt_index;
757 dlist_elt_t *head, *elt;
759 q = vl_api_client_index_to_input_queue (mp->client_index);
765 clib_memcpy (&ukey.addr, mp->ip_address, 4);
766 ukey.fib_index = ip4_fib_index_from_table_id (ntohl (mp->vrf_id));
767 key.key = ukey.as_u64;
768 if (!clib_bihash_search_8_8 (&sm->worker_by_in, &key, &value))
769 tsm = vec_elt_at_index (sm->per_thread_data, value.value);
771 tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
772 if (clib_bihash_search_8_8 (&sm->user_hash, &key, &value))
774 u = pool_elt_at_index (tsm->users, value.value);
775 if (!u->nsessions && !u->nstaticsessions)
778 head_index = u->sessions_per_user_list_head_index;
779 head = pool_elt_at_index (tsm->list_pool, head_index);
780 elt_index = head->next;
781 elt = pool_elt_at_index (tsm->list_pool, elt_index);
782 session_index = elt->value;
783 while (session_index != ~0)
785 s = pool_elt_at_index (tsm->sessions, session_index);
787 send_snat_user_session_details (s, q, mp->context);
789 elt_index = elt->next;
790 elt = pool_elt_at_index (tsm->list_pool, elt_index);
791 session_index = elt->value;
795 static void *vl_api_snat_user_session_dump_t_print
796 (vl_api_snat_user_session_dump_t * mp, void *handle)
800 s = format (0, "SCRIPT: snat_user_session_dump ");
801 s = format (s, "ip_address %U vrf_id %d\n",
802 format_ip4_address, mp->ip_address,
803 clib_net_to_host_u32 (mp->vrf_id));
809 vl_api_snat_add_det_map_t_handler (vl_api_snat_add_det_map_t * mp)
811 snat_main_t *sm = &snat_main;
812 vl_api_snat_add_det_map_reply_t *rmp;
814 ip4_address_t in_addr, out_addr;
816 clib_memcpy (&in_addr, mp->in_addr, 4);
817 clib_memcpy (&out_addr, mp->out_addr, 4);
818 rv = snat_det_add_map (sm, &in_addr, mp->in_plen, &out_addr,
819 mp->out_plen, mp->is_add);
821 REPLY_MACRO (VL_API_SNAT_ADD_DET_MAP_REPLY);
824 static void *vl_api_snat_add_det_map_t_print
825 (vl_api_snat_add_det_map_t * mp, void *handle)
829 s = format (0, "SCRIPT: snat_add_det_map ");
830 s = format (s, "inside address %U/%d outside address %U/%d\n",
831 format_ip4_address, mp->in_addr, mp->in_plen,
832 format_ip4_address, mp->out_addr, mp->out_plen);
838 vl_api_snat_det_forward_t_handler (vl_api_snat_det_forward_t * mp)
840 snat_main_t *sm = &snat_main;
841 vl_api_snat_det_forward_reply_t *rmp;
843 u16 lo_port = 0, hi_port = 0;
845 ip4_address_t in_addr, out_addr;
848 clib_memcpy (&in_addr, mp->in_addr, 4);
849 dm = snat_det_map_by_user (sm, &in_addr);
852 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
856 snat_det_forward (dm, &in_addr, &out_addr, &lo_port);
857 hi_port = lo_port + dm->ports_per_host - 1;
861 REPLY_MACRO2 (VL_API_SNAT_DET_FORWARD_REPLY,
863 rmp->out_port_lo = ntohs (lo_port);
864 rmp->out_port_hi = ntohs (hi_port);
866 memset (rmp->out_addr, 0, 16);
867 clib_memcpy (rmp->out_addr, &out_addr, 4);
872 static void *vl_api_snat_det_forward_t_print
873 (vl_api_snat_det_forward_t * mp, void *handle)
877 s = format (0, "SCRIPT: smat_det_forward_t");
878 s = format (s, "inside ip address %U\n", format_ip4_address, mp->in_addr);
884 vl_api_snat_det_reverse_t_handler (vl_api_snat_det_reverse_t * mp)
886 snat_main_t *sm = &snat_main;
887 vl_api_snat_det_reverse_reply_t *rmp;
889 ip4_address_t out_addr, in_addr;
893 clib_memcpy (&out_addr, mp->out_addr, 4);
894 dm = snat_det_map_by_out (sm, &out_addr);
897 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
901 snat_det_reverse (dm, &out_addr, htons (mp->out_port), &in_addr);
905 REPLY_MACRO2 (VL_API_SNAT_DET_REVERSE_REPLY,
908 memset (rmp->in_addr, 0, 16);
909 clib_memcpy (rmp->in_addr, &in_addr, 4);
914 static void *vl_api_snat_det_reverse_t_print
915 (vl_api_snat_det_reverse_t * mp, void *handle)
919 s = format (0, "SCRIPT: smat_det_reverse_t");
920 s = format (s, "outside ip address %U outside port %d",
921 format_ip4_address, mp->out_addr, ntohs (mp->out_port));
927 sent_snat_det_map_details
928 (snat_det_map_t * m, unix_shared_memory_queue_t * q, u32 context)
930 vl_api_snat_det_map_details_t *rmp;
931 snat_main_t *sm = &snat_main;
933 rmp = vl_msg_api_alloc (sizeof (*rmp));
934 memset (rmp, 0, sizeof (*rmp));
935 rmp->_vl_msg_id = ntohs (VL_API_SNAT_DET_MAP_DETAILS + sm->msg_id_base);
937 clib_memcpy (rmp->in_addr, &m->in_addr, 4);
938 rmp->in_plen = m->in_plen;
939 clib_memcpy (rmp->out_addr, &m->out_addr, 4);
940 rmp->out_plen = m->out_plen;
941 rmp->sharing_ratio = htonl (m->sharing_ratio);
942 rmp->ports_per_host = htons (m->ports_per_host);
943 rmp->ses_num = htonl (m->ses_num);
944 rmp->context = context;
946 vl_msg_api_send_shmem (q, (u8 *) & rmp);
950 vl_api_snat_det_map_dump_t_handler (vl_api_snat_det_map_dump_t * mp)
952 unix_shared_memory_queue_t *q;
953 snat_main_t *sm = &snat_main;
956 q = vl_api_client_index_to_input_queue (mp->client_index);
961 vec_foreach(m, sm->det_maps)
962 sent_snat_det_map_details(m, q, mp->context);
966 static void *vl_api_snat_det_map_dump_t_print
967 (vl_api_snat_det_map_dump_t * mp, void *handle)
971 s = format (0, "SCRIPT: snat_det_map_dump ");
977 vl_api_snat_det_set_timeouts_t_handler (vl_api_snat_det_set_timeouts_t * mp)
979 snat_main_t *sm = &snat_main;
980 vl_api_snat_det_set_timeouts_reply_t *rmp;
983 sm->udp_timeout = ntohl (mp->udp);
984 sm->tcp_established_timeout = ntohl (mp->tcp_established);
985 sm->tcp_transitory_timeout = ntohl (mp->tcp_transitory);
986 sm->icmp_timeout = ntohl (mp->icmp);
988 REPLY_MACRO (VL_API_SNAT_DET_SET_TIMEOUTS_REPLY);
991 static void *vl_api_snat_det_set_timeouts_t_print
992 (vl_api_snat_det_set_timeouts_t * mp, void *handle)
996 s = format (0, "SCRIPT: snat_det_set_timeouts ");
997 s = format (s, "udp %d tcp_established %d tcp_transitory %d icmp %d\n",
999 ntohl (mp->tcp_established),
1000 ntohl (mp->tcp_transitory), ntohl (mp->icmp));
1006 vl_api_snat_det_get_timeouts_t_handler (vl_api_snat_det_get_timeouts_t * mp)
1008 snat_main_t *sm = &snat_main;
1009 vl_api_snat_det_get_timeouts_reply_t *rmp;
1013 REPLY_MACRO2 (VL_API_SNAT_DET_GET_TIMEOUTS_REPLY,
1015 rmp->udp = htonl (sm->udp_timeout);
1016 rmp->tcp_established = htonl (sm->tcp_established_timeout);
1017 rmp->tcp_transitory = htonl (sm->tcp_transitory_timeout);
1018 rmp->icmp = htonl (sm->icmp_timeout);
1023 static void *vl_api_snat_det_get_timeouts_t_print
1024 (vl_api_snat_det_get_timeouts_t * mp, void *handle)
1028 s = format (0, "SCRIPT: snat_det_get_timeouts");
1034 vl_api_snat_det_close_session_out_t_handler
1035 (vl_api_snat_det_close_session_out_t * mp)
1037 snat_main_t *sm = &snat_main;
1038 vl_api_snat_det_close_session_out_reply_t *rmp;
1039 ip4_address_t out_addr, ext_addr, in_addr;
1040 snat_det_out_key_t key;
1042 snat_det_session_t *ses;
1045 clib_memcpy (&out_addr, mp->out_addr, 4);
1046 clib_memcpy (&ext_addr, mp->ext_addr, 4);
1048 dm = snat_det_map_by_out (sm, &out_addr);
1051 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1054 snat_det_reverse (dm, &ext_addr, ntohs (mp->out_port), &in_addr);
1055 key.ext_host_addr = ext_addr;
1056 key.ext_host_port = mp->ext_port;
1057 key.out_port = mp->out_port;
1058 ses = snat_det_get_ses_by_out (dm, &in_addr, key.as_u64);
1061 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1064 snat_det_ses_close (dm, ses);
1067 REPLY_MACRO (VL_API_SNAT_DET_CLOSE_SESSION_OUT_REPLY);
1070 static void *vl_api_snat_det_close_session_out_t_print
1071 (vl_api_snat_det_close_session_out_t * mp, void *handle)
1075 s = format (0, "SCRIPT: snat_det_close_session_out ");
1076 s = format (s, "out_addr %U out_port %d "
1077 "ext_addr %U ext_port %d\n",
1078 format_ip4_address, mp->out_addr, ntohs (mp->out_port),
1079 format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
1085 vl_api_snat_det_close_session_in_t_handler
1086 (vl_api_snat_det_close_session_in_t * mp)
1088 snat_main_t *sm = &snat_main;
1089 vl_api_snat_det_close_session_in_reply_t *rmp;
1090 ip4_address_t in_addr, ext_addr;
1091 snat_det_out_key_t key;
1093 snat_det_session_t *ses;
1096 clib_memcpy (&in_addr, mp->in_addr, 4);
1097 clib_memcpy (&ext_addr, mp->ext_addr, 4);
1099 dm = snat_det_map_by_user (sm, &in_addr);
1102 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1105 key.ext_host_addr = ext_addr;
1106 key.ext_host_port = mp->ext_port;
1107 ses = snat_det_find_ses_by_in (dm, &in_addr, mp->in_port, key);
1110 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1113 snat_det_ses_close (dm, ses);
1116 REPLY_MACRO (VL_API_SNAT_DET_CLOSE_SESSION_OUT_REPLY);
1119 static void *vl_api_snat_det_close_session_in_t_print
1120 (vl_api_snat_det_close_session_in_t * mp, void *handle)
1123 s = format (0, "SCRIPT: snat_det_close_session_in ");
1124 s = format (s, "in_addr %U in_port %d "
1125 "ext_addr %U ext_port %d\n",
1126 format_ip4_address, mp->in_addr, ntohs (mp->in_port),
1127 format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
1133 send_snat_det_session_details
1134 (snat_det_session_t * s, unix_shared_memory_queue_t * q, u32 context)
1136 vl_api_snat_det_session_details_t *rmp;
1137 snat_main_t *sm = &snat_main;
1139 rmp = vl_msg_api_alloc (sizeof (*rmp));
1140 memset (rmp, 0, sizeof (*rmp));
1141 rmp->_vl_msg_id = ntohs (VL_API_SNAT_DET_SESSION_DETAILS + sm->msg_id_base);
1143 rmp->in_port = s->in_port;
1144 clib_memcpy (rmp->ext_addr, &s->out.ext_host_addr, 4);
1145 rmp->ext_port = s->out.ext_host_port;
1146 rmp->out_port = s->out.out_port;
1147 rmp->state = s->state;
1148 rmp->expire = ntohl (s->expire);
1149 rmp->context = context;
1151 vl_msg_api_send_shmem (q, (u8 *) & rmp);
1155 vl_api_snat_det_session_dump_t_handler (vl_api_snat_det_session_dump_t * mp)
1157 unix_shared_memory_queue_t *q;
1158 snat_main_t *sm = &snat_main;
1159 ip4_address_t user_addr;
1161 snat_det_session_t *s, empty_ses;
1164 q = vl_api_client_index_to_input_queue (mp->client_index);
1170 memset (&empty_ses, 0, sizeof (empty_ses));
1171 clib_memcpy (&user_addr, mp->user_addr, 4);
1172 dm = snat_det_map_by_user (sm, &user_addr);
1176 s = dm->sessions + snat_det_user_ses_offset (&user_addr, dm->in_plen);
1177 for (i = 0; i < SNAT_DET_SES_PER_USER; i++)
1180 send_snat_det_session_details (s, q, mp->context);
1185 static void *vl_api_snat_det_session_dump_t_print
1186 (vl_api_snat_det_session_dump_t * mp, void *handle)
1190 s = format (0, "SCRIPT: snat_det_session_dump ");
1191 s = format (s, "user_addr %U\n", format_ip4_address, mp->user_addr);
1196 /* List of message types that this plugin understands */
1197 #define foreach_snat_plugin_api_msg \
1198 _(SNAT_ADD_ADDRESS_RANGE, snat_add_address_range) \
1199 _(SNAT_INTERFACE_ADD_DEL_FEATURE, snat_interface_add_del_feature) \
1200 _(SNAT_ADD_STATIC_MAPPING, snat_add_static_mapping) \
1201 _(SNAT_CONTROL_PING, snat_control_ping) \
1202 _(SNAT_STATIC_MAPPING_DUMP, snat_static_mapping_dump) \
1203 _(SNAT_SHOW_CONFIG, snat_show_config) \
1204 _(SNAT_ADDRESS_DUMP, snat_address_dump) \
1205 _(SNAT_INTERFACE_DUMP, snat_interface_dump) \
1206 _(SNAT_SET_WORKERS, snat_set_workers) \
1207 _(SNAT_WORKER_DUMP, snat_worker_dump) \
1208 _(SNAT_ADD_DEL_INTERFACE_ADDR, snat_add_del_interface_addr) \
1209 _(SNAT_INTERFACE_ADDR_DUMP, snat_interface_addr_dump) \
1210 _(SNAT_IPFIX_ENABLE_DISABLE, snat_ipfix_enable_disable) \
1211 _(SNAT_USER_DUMP, snat_user_dump) \
1212 _(SNAT_USER_SESSION_DUMP, snat_user_session_dump) \
1213 _(SNAT_ADD_DET_MAP, snat_add_det_map) \
1214 _(SNAT_DET_FORWARD, snat_det_forward) \
1215 _(SNAT_DET_REVERSE, snat_det_reverse) \
1216 _(SNAT_DET_MAP_DUMP, snat_det_map_dump) \
1217 _(SNAT_DET_SET_TIMEOUTS, snat_det_set_timeouts) \
1218 _(SNAT_DET_GET_TIMEOUTS, snat_det_get_timeouts) \
1219 _(SNAT_DET_CLOSE_SESSION_OUT, snat_det_close_session_out) \
1220 _(SNAT_DET_CLOSE_SESSION_IN, snat_det_close_session_in) \
1221 _(SNAT_DET_SESSION_DUMP, snat_det_session_dump)
1224 /* Set up the API message handling tables */
1225 static clib_error_t *
1226 snat_plugin_api_hookup (vlib_main_t * vm)
1228 snat_main_t *sm __attribute__ ((unused)) = &snat_main;
1230 vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
1232 vl_api_##n##_t_handler, \
1234 vl_api_##n##_t_endian, \
1235 vl_api_##n##_t_print, \
1236 sizeof(vl_api_##n##_t), 1);
1237 foreach_snat_plugin_api_msg;
1243 #define vl_msg_name_crc_list
1244 #include <snat/snat_all_api_h.h>
1245 #undef vl_msg_name_crc_list
1248 setup_message_id_table (snat_main_t * sm, api_main_t * am)
1250 #define _(id,n,crc) \
1251 vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
1252 foreach_vl_msg_name_crc_snat;
1257 plugin_custom_dump_configure (snat_main_t * sm)
1259 #define _(n,f) sm->api_main->msg_print_handlers \
1260 [VL_API_##n + sm->msg_id_base] \
1261 = (void *) vl_api_##f##_t_print;
1262 foreach_snat_plugin_api_msg;
1267 snat_api_init (vlib_main_t * vm, snat_main_t * sm)
1270 clib_error_t *error = 0;
1272 name = format (0, "snat_%08x%c", api_version, 0);
1274 /* Ask for a correctly-sized block of API message decode slots */
1276 vl_msg_api_get_msg_ids ((char *) name, VL_MSG_FIRST_AVAILABLE);
1278 error = snat_plugin_api_hookup (vm);
1280 /* Add our API messages to the global name_crc hash table */
1281 setup_message_id_table (sm, sm->api_main);
1283 plugin_custom_dump_configure (sm);
1291 * fd.io coding-style-patch-verification: ON
1294 * eval: (c-set-style "gnu")