3 * snat.c - skeleton vpp-api-test plug-in
5 * Copyright (c) <current-year> <your-organization>
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
19 #include <vlibapi/api.h>
20 #include <vlibmemory/api.h>
21 #include <vlibsocket/api.h>
22 #include <vppinfra/error.h>
23 #include <vnet/ip/ip.h>
25 #define __plugin_msg_base snat_test_main.msg_id_base
26 #include <vlibapi/vat_helper_macros.h>
28 uword unformat_sw_if_index (unformat_input_t * input, va_list * args);
30 /* Declare message IDs */
31 #include <snat/snat_msg_enum.h>
33 /* define message structures */
35 #include <snat/snat_all_api_h.h>
38 /* declare message handlers for each api */
40 #define vl_endianfun /* define message structures */
41 #include <snat/snat_all_api_h.h>
44 /* instantiate all the print functions we know about */
45 #define vl_print(handle, ...)
47 #include <snat/snat_all_api_h.h>
50 /* Get the API version number. */
51 #define vl_api_version(n,v) static u32 api_version=(v);
52 #include <snat/snat_all_api_h.h>
56 /* API message ID base */
61 snat_test_main_t snat_test_main;
63 #define foreach_standard_reply_retval_handler \
64 _(snat_add_address_range_reply) \
65 _(snat_interface_add_del_feature_reply) \
66 _(snat_add_static_mapping_reply) \
67 _(snat_set_workers_reply) \
68 _(snat_add_del_interface_addr_reply) \
69 _(snat_ipfix_enable_disable_reply)
72 static void vl_api_##n##_t_handler \
73 (vl_api_##n##_t * mp) \
75 vat_main_t * vam = snat_test_main.vat_main; \
76 i32 retval = ntohl(mp->retval); \
77 if (vam->async_mode) { \
78 vam->async_errors += (retval < 0); \
80 vam->retval = retval; \
81 vam->result_ready = 1; \
84 foreach_standard_reply_retval_handler;
88 * Table of message reply handlers, must include boilerplate handlers
91 #define foreach_vpe_api_reply_msg \
92 _(SNAT_ADD_ADDRESS_RANGE_REPLY, snat_add_address_range_reply) \
93 _(SNAT_INTERFACE_ADD_DEL_FEATURE_REPLY, \
94 snat_interface_add_del_feature_reply) \
95 _(SNAT_ADD_STATIC_MAPPING_REPLY, snat_add_static_mapping_reply) \
96 _(SNAT_CONTROL_PING_REPLY, snat_control_ping_reply) \
97 _(SNAT_STATIC_MAPPING_DETAILS, snat_static_mapping_details) \
98 _(SNAT_SHOW_CONFIG_REPLY, snat_show_config_reply) \
99 _(SNAT_ADDRESS_DETAILS, snat_address_details) \
100 _(SNAT_INTERFACE_DETAILS, snat_interface_details) \
101 _(SNAT_SET_WORKERS_REPLY, snat_set_workers_reply) \
102 _(SNAT_WORKER_DETAILS, snat_worker_details) \
103 _(SNAT_ADD_DEL_INTERFACE_ADDR_REPLY, \
104 snat_add_del_interface_addr_reply) \
105 _(SNAT_INTERFACE_ADDR_DETAILS, snat_interface_addr_details) \
106 _(SNAT_IPFIX_ENABLE_DISABLE_REPLY, \
107 snat_ipfix_enable_disable_reply)
109 static int api_snat_add_address_range (vat_main_t * vam)
111 unformat_input_t * i = vam->input;
113 ip4_address_t start_addr, end_addr;
114 u32 start_host_order, end_host_order;
115 vl_api_snat_add_address_range_t * mp;
119 while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
121 if (unformat (i, "%U - %U",
122 unformat_ip4_address, &start_addr,
123 unformat_ip4_address, &end_addr))
125 else if (unformat (i, "%U", unformat_ip4_address, &start_addr))
126 end_addr = start_addr;
127 else if (unformat (i, "del"))
131 clib_warning("unknown input '%U'", format_unformat_error, i);
136 start_host_order = clib_host_to_net_u32 (start_addr.as_u32);
137 end_host_order = clib_host_to_net_u32 (end_addr.as_u32);
139 if (end_host_order < start_host_order)
141 errmsg ("end address less than start address\n");
145 count = (end_host_order - start_host_order) + 1;
149 errmsg ("%U - %U, %d addresses...\n",
150 format_ip4_address, &start_addr,
151 format_ip4_address, &end_addr,
155 M(SNAT_ADD_ADDRESS_RANGE, mp);
157 memcpy (mp->first_ip_address, &start_addr, 4);
158 memcpy (mp->last_ip_address, &end_addr, 4);
169 static int api_snat_interface_add_del_feature (vat_main_t * vam)
171 unformat_input_t * i = vam->input;
173 vl_api_snat_interface_add_del_feature_t * mp;
175 u8 sw_if_index_set = 0;
179 while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
181 if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index))
183 else if (unformat (i, "sw_if_index %d", &sw_if_index))
185 else if (unformat (i, "out"))
187 else if (unformat (i, "in"))
189 else if (unformat (i, "del"))
193 clib_warning("unknown input '%U'", format_unformat_error, i);
198 if (sw_if_index_set == 0)
200 errmsg ("interface / sw_if_index required\n");
204 M(SNAT_INTERFACE_ADD_DEL_FEATURE, mp);
205 mp->sw_if_index = ntohl(sw_if_index);
207 mp->is_inside = is_inside;
215 static int api_snat_add_static_mapping(vat_main_t * vam)
217 unformat_input_t * i = vam->input;
219 vl_api_snat_add_static_mapping_t * mp;
220 u8 external_addr_set = 0;
224 ip4_address_t local_addr, external_addr;
225 u32 local_port = 0, external_port = 0, vrf_id = ~0;
226 u32 sw_if_index = ~0;
227 u8 sw_if_index_set = 0;
229 while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
231 if (unformat (i, "local_addr %U", unformat_ip4_address, &local_addr))
233 else if (unformat (i, "external_addr %U", unformat_ip4_address,
235 external_addr_set = 1;
236 else if (unformat (i, "local_port %u", &local_port))
238 else if (unformat (i, "external_port %u", &external_port))
240 else if (unformat (i, "external_if %U", unformat_sw_if_index, vam,
243 else if (unformat (i, "external_sw_if_index %d", &sw_if_index))
245 else if (unformat (i, "vrf %u", &vrf_id))
247 else if (unformat (i, "del"))
251 clib_warning("unknown input '%U'", format_unformat_error, i);
258 errmsg ("local addr required\n");
261 if (!external_addr_set && !sw_if_index_set)
263 errmsg ("external addr or interface required\n");
267 M(SNAT_ADD_STATIC_MAPPING, mp);
270 mp->addr_only = addr_only;
271 mp->local_port = ntohs ((u16) local_port);
272 mp->external_port = ntohs ((u16) external_port);
273 mp->external_sw_if_index = ntohl (sw_if_index);
274 mp->vrf_id = ntohl (vrf_id);
275 memcpy (mp->local_ip_address, &local_addr, 4);
276 memcpy (mp->external_ip_address, &external_addr, 4);
284 static void vl_api_snat_control_ping_reply_t_handler
285 (vl_api_snat_control_ping_reply_t * mp)
287 vat_main_t *vam = &vat_main;
288 i32 retval = ntohl (mp->retval);
291 vam->async_errors += (retval < 0);
295 vam->retval = retval;
296 vam->result_ready = 1;
300 static void vl_api_snat_static_mapping_details_t_handler
301 (vl_api_snat_static_mapping_details_t *mp)
303 snat_test_main_t * sm = &snat_test_main;
304 vat_main_t *vam = sm->vat_main;
307 fformat (vam->ofp, "%15U%6s%15U%6s%11d\n",
308 format_ip4_address, &mp->local_ip_address, "",
309 format_ip4_address, &mp->external_ip_address, "",
312 fformat (vam->ofp, "%15U%6d%15U%6d%11d\n",
313 format_ip4_address, &mp->local_ip_address,
314 ntohs (mp->local_port),
315 format_ip4_address, &mp->external_ip_address,
316 ntohs (mp->external_port),
321 static int api_snat_static_mapping_dump(vat_main_t * vam)
324 vl_api_snat_static_mapping_dump_t * mp;
326 if (vam->json_output)
328 clib_warning ("JSON output not supported for snat_static_mapping_dump");
332 fformat (vam->ofp, "%21s%21s\n", "local", "external");
333 fformat (vam->ofp, "%15s%6s%15s%6s%11s\n", "address", "port", "address",
336 M(SNAT_STATIC_MAPPING_DUMP, mp);
338 /* Use a control ping for synchronization */
340 vl_api_snat_control_ping_t *mp;
341 M(SNAT_CONTROL_PING, mp);
349 static void vl_api_snat_show_config_reply_t_handler
350 (vl_api_snat_show_config_reply_t *mp)
352 snat_test_main_t * sm = &snat_test_main;
353 vat_main_t *vam = sm->vat_main;
354 i32 retval = ntohl (mp->retval);
358 fformat (vam->ofp, "translation hash buckets %d\n",
359 ntohl (mp->translation_buckets));
360 fformat (vam->ofp, "translation hash memory %d\n",
361 ntohl (mp->translation_memory_size));
362 fformat (vam->ofp, "user hash buckets %d\n", ntohl (mp->user_buckets));
363 fformat (vam->ofp, "user hash memory %d\n", ntohl (mp->user_memory_size));
364 fformat (vam->ofp, "max translations per user %d\n",
365 ntohl (mp->max_translations_per_user));
366 fformat (vam->ofp, "outside VRF id %d\n", ntohl (mp->outside_vrf_id));
367 fformat (vam->ofp, "inside VRF id %d\n", ntohl (mp->inside_vrf_id));
368 if (mp->static_mapping_only)
370 fformat (vam->ofp, "static mapping only");
371 if (mp->static_mapping_connection_tracking)
372 fformat (vam->ofp, " connection tracking");
373 fformat (vam->ofp, "\n");
376 vam->retval = retval;
377 vam->result_ready = 1;
380 static int api_snat_show_config(vat_main_t * vam)
383 vl_api_snat_show_config_t * mp;
385 if (vam->json_output)
387 clib_warning ("JSON output not supported for snat_show_config");
391 M(SNAT_SHOW_CONFIG, mp);
398 static void vl_api_snat_address_details_t_handler
399 (vl_api_snat_address_details_t *mp)
401 snat_test_main_t * sm = &snat_test_main;
402 vat_main_t *vam = sm->vat_main;
404 fformat (vam->ofp, "%U\n", format_ip4_address, &mp->ip_address);
407 static int api_snat_address_dump(vat_main_t * vam)
410 vl_api_snat_address_dump_t * mp;
412 if (vam->json_output)
414 clib_warning ("JSON output not supported for snat_address_dump");
418 M(SNAT_ADDRESS_DUMP, mp);
420 /* Use a control ping for synchronization */
422 vl_api_snat_control_ping_t *mp;
423 M(SNAT_CONTROL_PING, mp);
431 static void vl_api_snat_interface_details_t_handler
432 (vl_api_snat_interface_details_t *mp)
434 snat_test_main_t * sm = &snat_test_main;
435 vat_main_t *vam = sm->vat_main;
437 fformat (vam->ofp, "sw_if_index %d %s\n", ntohl (mp->sw_if_index),
438 mp->is_inside ? "in" : "out");
441 static int api_snat_interface_dump(vat_main_t * vam)
444 vl_api_snat_interface_dump_t * mp;
446 if (vam->json_output)
448 clib_warning ("JSON output not supported for snat_address_dump");
452 M(SNAT_INTERFACE_DUMP, mp);
454 /* Use a control ping for synchronization */
456 vl_api_snat_control_ping_t *mp;
457 M(SNAT_CONTROL_PING, mp);
465 static int api_snat_set_workers (vat_main_t * vam)
467 unformat_input_t * i = vam->input;
469 vl_api_snat_set_workers_t * mp;
472 while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
474 if (unformat (i, "%U", unformat_bitmap_list, &bitmap))
478 clib_warning("unknown input '%U'", format_unformat_error, i);
483 M(SNAT_SET_WORKERS, mp);
484 mp->worker_mask = clib_host_to_net_u64 (bitmap[0]);
493 static void vl_api_snat_worker_details_t_handler
494 (vl_api_snat_worker_details_t *mp)
496 snat_test_main_t * sm = &snat_test_main;
497 vat_main_t *vam = sm->vat_main;
499 fformat (vam->ofp, "worker_index %d (%s at lcore %u)\n",
500 ntohl (mp->worker_index), mp->name, ntohl (mp->lcore_id));
503 static int api_snat_worker_dump(vat_main_t * vam)
506 vl_api_snat_worker_dump_t * mp;
508 if (vam->json_output)
510 clib_warning ("JSON output not supported for snat_address_dump");
514 M(SNAT_WORKER_DUMP, mp);
516 /* Use a control ping for synchronization */
518 vl_api_snat_control_ping_t *mp;
519 M(SNAT_CONTROL_PING, mp);
527 static int api_snat_ipfix_enable_disable (vat_main_t * vam)
529 unformat_input_t * i = vam->input;
531 vl_api_snat_add_del_interface_addr_t * mp;
533 u8 sw_if_index_set = 0;
536 while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
538 if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index))
540 else if (unformat (i, "sw_if_index %d", &sw_if_index))
542 else if (unformat (i, "del"))
546 clib_warning("unknown input '%U'", format_unformat_error, i);
551 if (sw_if_index_set == 0)
553 errmsg ("interface / sw_if_index required\n");
557 M(SNAT_ADD_DEL_INTERFACE_ADDR, mp);
558 mp->sw_if_index = ntohl(sw_if_index);
567 static void vl_api_snat_interface_addr_details_t_handler
568 (vl_api_snat_interface_addr_details_t *mp)
570 snat_test_main_t * sm = &snat_test_main;
571 vat_main_t *vam = sm->vat_main;
573 fformat (vam->ofp, "sw_if_index %d\n", ntohl (mp->sw_if_index));
576 static int api_snat_interface_addr_dump(vat_main_t * vam)
579 vl_api_snat_interface_addr_dump_t * mp;
581 if (vam->json_output)
583 clib_warning ("JSON output not supported for snat_address_dump");
587 M(SNAT_INTERFACE_ADDR_DUMP, mp);
589 /* Use a control ping for synchronization */
591 vl_api_snat_control_ping_t *mp;
592 M(SNAT_CONTROL_PING, mp);
600 static int api_snat_add_del_interface_addr (vat_main_t * vam)
602 unformat_input_t * i = vam->input;
604 vl_api_snat_ipfix_enable_disable_t * mp;
609 while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
611 if (unformat (i, "domain %d", &domain_id))
613 else if (unformat (i, "src_port %d", &src_port))
615 else if (unformat (i, "disable"))
619 clib_warning("unknown input '%U'", format_unformat_error, i);
624 M(SNAT_IPFIX_ENABLE_DISABLE, mp);
625 mp->domain_id = htonl(domain_id);
626 mp->src_port = htons((u16) src_port);
636 * List of messages that the api test plugin sends,
637 * and that the data plane plugin processes
639 #define foreach_vpe_api_msg \
640 _(snat_add_address_range, "<start-addr> [- <end-addr] [del]") \
641 _(snat_interface_add_del_feature, \
642 "<intfc> | sw_if_index <id> [in] [out] [del]") \
643 _(snat_add_static_mapping, "local_addr <ip> external_addr <ip> " \
644 "| external_if <intfc> | external_sw_if_ndex <id>) " \
645 "[local_port <n>] [external_port <n>] [vrf <table-id>] [del]") \
646 _(snat_set_workers, "<wokrers_bitmap>") \
647 _(snat_static_mapping_dump, "") \
648 _(snat_show_config, "") \
649 _(snat_address_dump, "") \
650 _(snat_interface_dump, "") \
651 _(snat_worker_dump, "") \
652 _(snat_add_del_interface_addr, \
653 "<intfc> | sw_if_index <id> [del]") \
654 _(snat_interface_addr_dump, "") \
655 _(snat_ipfix_enable_disable, "[domain <id>] [src_port <n>] " \
659 snat_vat_api_hookup (vat_main_t *vam)
661 snat_test_main_t * sm __attribute__((unused)) = &snat_test_main;
662 /* Hook up handlers for replies from the data plane plug-in */
664 vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
666 vl_api_##n##_t_handler, \
668 vl_api_##n##_t_endian, \
669 vl_api_##n##_t_print, \
670 sizeof(vl_api_##n##_t), 1);
671 foreach_vpe_api_reply_msg;
674 /* API messages we can send */
676 hash_set_mem (vam->function_by_name, #n, api_##n); \
677 clib_warning ("vam %llx add '%s' handler %llx", vam, #n, api_##n);
682 #define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
687 clib_error_t * vat_plugin_register (vat_main_t *vam)
689 snat_test_main_t * sm = &snat_test_main;
694 /* Ask the vpp engine for the first assigned message-id */
695 name = format (0, "snat_%08x%c", api_version, 0);
696 sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
698 if (sm->msg_id_base != (u16) ~0)
699 snat_vat_api_hookup (vam);