Line data Source code
1 : /*
2 : * Copyright (c) 2018 Cisco and/or its affiliates.
3 : * Licensed under the Apache License, Version 2.0 (the "License");
4 : * you may not use this file except in compliance with the License.
5 : * You may obtain a copy of the License at:
6 : *
7 : * http://www.apache.org/licenses/LICENSE-2.0
8 : *
9 : * Unless required by applicable law or agreed to in writing, software
10 : * distributed under the License is distributed on an "AS IS" BASIS,
11 : * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 : * See the License for the specific language governing permissions and
13 : * limitations under the License.
14 : */
15 : /**
16 : * @file
17 : * @brief NAT44 CLI
18 : */
19 :
20 : #include <vnet/fib/fib_table.h>
21 :
22 : #include <nat/lib/log.h>
23 : #include <nat/lib/nat_inlines.h>
24 : #include <nat/lib/ipfix_logging.h>
25 :
26 : #include <nat/nat44-ed/nat44_ed.h>
27 : #include <nat/nat44-ed/nat44_ed_inlines.h>
28 : #include <nat/nat44-ed/nat44_ed_affinity.h>
29 :
30 : #define NAT44_ED_EXPECTED_ARGUMENT "expected required argument(s)"
31 :
32 : static clib_error_t *
33 0 : nat44_ed_enable_disable_command_fn (vlib_main_t *vm, unformat_input_t *input,
34 : vlib_cli_command_t *cmd)
35 : {
36 0 : snat_main_t *sm = &snat_main;
37 0 : unformat_input_t _line_input, *line_input = &_line_input;
38 0 : clib_error_t *error = 0;
39 :
40 0 : nat44_config_t c = { 0 };
41 0 : u8 enable_set = 0, enable = 0;
42 :
43 0 : if (!unformat_user (input, unformat_line_input, line_input))
44 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
45 :
46 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
47 : {
48 0 : if (unformat (line_input, "inside-vrf %u", &c.inside_vrf))
49 : ;
50 0 : else if (unformat (line_input, "outside-vrf %u", &c.outside_vrf));
51 0 : else if (unformat (line_input, "sessions %u", &c.sessions));
52 0 : else if (!enable_set)
53 : {
54 0 : enable_set = 1;
55 0 : if (unformat (line_input, "disable"))
56 : ;
57 0 : else if (unformat (line_input, "enable"))
58 0 : enable = 1;
59 : }
60 : else
61 : {
62 0 : error = clib_error_return (0, "unknown input '%U'",
63 : format_unformat_error, line_input);
64 0 : goto done;
65 : }
66 : }
67 :
68 0 : if (!enable_set)
69 : {
70 0 : error = clib_error_return (0, "expected enable | disable");
71 0 : goto done;
72 : }
73 :
74 0 : if (enable)
75 : {
76 0 : if (sm->enabled)
77 : {
78 0 : error = clib_error_return (0, "already enabled");
79 0 : goto done;
80 : }
81 :
82 0 : if (nat44_plugin_enable (c) != 0)
83 0 : error = clib_error_return (0, "enable failed");
84 : }
85 : else
86 : {
87 0 : if (!sm->enabled)
88 : {
89 0 : error = clib_error_return (0, "already disabled");
90 0 : goto done;
91 : }
92 :
93 0 : if (nat44_plugin_disable () != 0)
94 0 : error = clib_error_return (0, "disable failed");
95 : }
96 :
97 0 : done:
98 0 : unformat_free (line_input);
99 0 : return error;
100 : }
101 :
102 : static clib_error_t *
103 0 : set_workers_command_fn (vlib_main_t * vm,
104 : unformat_input_t * input, vlib_cli_command_t * cmd)
105 : {
106 0 : unformat_input_t _line_input, *line_input = &_line_input;
107 0 : uword *bitmap = 0;
108 0 : int rv = 0;
109 0 : clib_error_t *error = 0;
110 :
111 0 : if (!unformat_user (input, unformat_line_input, line_input))
112 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
113 :
114 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
115 : {
116 0 : if (unformat (line_input, "%U", unformat_bitmap_list, &bitmap))
117 : ;
118 : else
119 : {
120 0 : error = clib_error_return (0, "unknown input '%U'",
121 : format_unformat_error, line_input);
122 0 : goto done;
123 : }
124 : }
125 :
126 0 : if (bitmap == 0)
127 : {
128 0 : error = clib_error_return (0, "List of workers must be specified.");
129 0 : goto done;
130 : }
131 :
132 0 : rv = snat_set_workers (bitmap);
133 :
134 0 : clib_bitmap_free (bitmap);
135 :
136 0 : switch (rv)
137 : {
138 0 : case VNET_API_ERROR_INVALID_WORKER:
139 0 : error = clib_error_return (0, "Invalid worker(s).");
140 0 : goto done;
141 0 : case VNET_API_ERROR_FEATURE_DISABLED:
142 0 : error = clib_error_return (0,
143 : "Supported only if 2 or more workes available.");
144 0 : goto done;
145 0 : default:
146 0 : break;
147 : }
148 :
149 0 : done:
150 0 : unformat_free (line_input);
151 :
152 0 : return error;
153 : }
154 :
155 : static clib_error_t *
156 0 : nat_show_workers_command_fn (vlib_main_t *vm, unformat_input_t *input,
157 : vlib_cli_command_t *cmd)
158 : {
159 0 : snat_main_t *sm = &snat_main;
160 : u32 *worker;
161 :
162 0 : if (sm->num_workers > 1)
163 : {
164 0 : vlib_cli_output (vm, "%d workers", vec_len (sm->workers));
165 0 : vec_foreach (worker, sm->workers)
166 : {
167 0 : vlib_worker_thread_t *w =
168 0 : vlib_worker_threads + *worker + sm->first_worker_index;
169 0 : vlib_cli_output (vm, " %s", w->name);
170 : }
171 : }
172 :
173 0 : return 0;
174 : }
175 :
176 : static clib_error_t *
177 0 : snat_set_log_level_command_fn (vlib_main_t * vm,
178 : unformat_input_t * input,
179 : vlib_cli_command_t * cmd)
180 : {
181 0 : unformat_input_t _line_input, *line_input = &_line_input;
182 0 : snat_main_t *sm = &snat_main;
183 0 : u32 log_level = NAT_LOG_NONE;
184 0 : clib_error_t *error = 0;
185 :
186 0 : if (!unformat_user (input, unformat_line_input, line_input))
187 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
188 :
189 0 : if (!unformat (line_input, "%d", &log_level))
190 : {
191 0 : error = clib_error_return (0, "unknown input '%U'",
192 : format_unformat_error, line_input);
193 0 : goto done;
194 : }
195 0 : if (log_level > NAT_LOG_DEBUG)
196 : {
197 0 : error = clib_error_return (0, "unknown logging level '%d'", log_level);
198 0 : goto done;
199 : }
200 0 : sm->log_level = log_level;
201 :
202 0 : done:
203 0 : unformat_free (line_input);
204 :
205 0 : return error;
206 : }
207 :
208 : static clib_error_t *
209 0 : snat_ipfix_logging_enable_disable_command_fn (vlib_main_t * vm,
210 : unformat_input_t * input,
211 : vlib_cli_command_t * cmd)
212 : {
213 0 : unformat_input_t _line_input, *line_input = &_line_input;
214 0 : clib_error_t *error = 0;
215 :
216 0 : u32 domain_id = 0, src_port = 0;
217 0 : u8 enable_set = 0, enable = 0;
218 :
219 0 : if (!unformat_user (input, unformat_line_input, line_input))
220 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
221 :
222 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
223 : {
224 0 : if (unformat (line_input, "domain %d", &domain_id))
225 : ;
226 0 : else if (unformat (line_input, "src-port %d", &src_port))
227 : ;
228 0 : else if (!enable_set)
229 : {
230 0 : enable_set = 1;
231 0 : if (unformat (line_input, "disable"))
232 : ;
233 0 : else if (unformat (line_input, "enable"))
234 0 : enable = 1;
235 : }
236 : else
237 : {
238 0 : error = clib_error_return (0, "unknown input '%U'",
239 : format_unformat_error, line_input);
240 0 : goto done;
241 : }
242 : }
243 :
244 0 : if (!enable_set)
245 : {
246 0 : error = clib_error_return (0, "expected enable | disable");
247 0 : goto done;
248 : }
249 :
250 0 : if (nat_ipfix_logging_enable_disable (enable, domain_id, (u16) src_port))
251 : {
252 0 : error = clib_error_return (0, "ipfix logging enable failed");
253 0 : goto done;
254 : }
255 :
256 0 : done:
257 0 : unformat_free (line_input);
258 :
259 0 : return error;
260 : }
261 :
262 : static clib_error_t *
263 0 : nat44_show_hash_command_fn (vlib_main_t * vm, unformat_input_t * input,
264 : vlib_cli_command_t * cmd)
265 : {
266 0 : snat_main_t *sm = &snat_main;
267 0 : nat_affinity_main_t *nam = &nat_affinity_main;
268 : int i;
269 0 : int verbose = 0;
270 :
271 0 : if (unformat (input, "detail"))
272 0 : verbose = 1;
273 0 : else if (unformat (input, "verbose"))
274 0 : verbose = 2;
275 :
276 0 : vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->flow_hash, verbose);
277 0 : vec_foreach_index (i, sm->per_thread_data)
278 : {
279 0 : vlib_cli_output (vm, "-------- thread %d %s --------\n",
280 0 : i, vlib_worker_threads[i].name);
281 0 : vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->flow_hash, verbose);
282 : }
283 :
284 0 : vlib_cli_output (vm, "%U", format_bihash_16_8, &nam->affinity_hash, verbose);
285 :
286 0 : vlib_cli_output (vm, "-------- hash table parameters --------\n");
287 0 : vlib_cli_output (vm, "translation buckets: %u", sm->translation_buckets);
288 0 : return 0;
289 : }
290 :
291 : static clib_error_t *
292 0 : nat_set_mss_clamping_command_fn (vlib_main_t * vm, unformat_input_t * input,
293 : vlib_cli_command_t * cmd)
294 : {
295 0 : unformat_input_t _line_input, *line_input = &_line_input;
296 0 : snat_main_t *sm = &snat_main;
297 0 : clib_error_t *error = 0;
298 : u32 mss;
299 :
300 0 : if (!unformat_user (input, unformat_line_input, line_input))
301 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
302 :
303 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
304 : {
305 0 : if (unformat (line_input, "disable"))
306 0 : sm->mss_clamping = 0;
307 0 : else if (unformat (line_input, "%d", &mss))
308 0 : sm->mss_clamping = (u16) mss;
309 : else
310 : {
311 0 : error = clib_error_return (0, "unknown input '%U'",
312 : format_unformat_error, line_input);
313 0 : goto done;
314 : }
315 : }
316 :
317 0 : done:
318 0 : unformat_free (line_input);
319 :
320 0 : return error;
321 : }
322 :
323 : static clib_error_t *
324 0 : nat_show_mss_clamping_command_fn (vlib_main_t * vm, unformat_input_t * input,
325 : vlib_cli_command_t * cmd)
326 : {
327 0 : snat_main_t *sm = &snat_main;
328 :
329 0 : if (sm->mss_clamping)
330 0 : vlib_cli_output (vm, "mss-clamping %d", sm->mss_clamping);
331 : else
332 0 : vlib_cli_output (vm, "mss-clamping disabled");
333 :
334 0 : return 0;
335 : }
336 :
337 : static clib_error_t *
338 0 : add_address_command_fn (vlib_main_t * vm,
339 : unformat_input_t * input, vlib_cli_command_t * cmd)
340 : {
341 0 : unformat_input_t _line_input, *line_input = &_line_input;
342 : ip4_address_t start_addr, end_addr, this_addr;
343 : u32 start_host_order, end_host_order;
344 0 : u32 vrf_id = ~0;
345 : int i, count;
346 0 : int is_add = 1;
347 0 : int rv = 0;
348 0 : clib_error_t *error = 0;
349 0 : u8 twice_nat = 0;
350 :
351 0 : if (!unformat_user (input, unformat_line_input, line_input))
352 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
353 :
354 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
355 : {
356 0 : if (unformat (line_input, "%U - %U",
357 : unformat_ip4_address, &start_addr,
358 : unformat_ip4_address, &end_addr))
359 : ;
360 0 : else if (unformat (line_input, "tenant-vrf %u", &vrf_id))
361 : ;
362 0 : else if (unformat (line_input, "%U", unformat_ip4_address, &start_addr))
363 0 : end_addr = start_addr;
364 0 : else if (unformat (line_input, "twice-nat"))
365 0 : twice_nat = 1;
366 0 : else if (unformat (line_input, "del"))
367 0 : is_add = 0;
368 : else
369 : {
370 0 : error = clib_error_return (0, "unknown input '%U'",
371 : format_unformat_error, line_input);
372 0 : goto done;
373 : }
374 : }
375 :
376 0 : start_host_order = clib_host_to_net_u32 (start_addr.as_u32);
377 0 : end_host_order = clib_host_to_net_u32 (end_addr.as_u32);
378 :
379 0 : if (end_host_order < start_host_order)
380 : {
381 0 : error = clib_error_return (0, "end address less than start address");
382 0 : goto done;
383 : }
384 :
385 0 : count = (end_host_order - start_host_order) + 1;
386 :
387 0 : if (count > 1024)
388 0 : nat_log_info ("%U - %U, %d addresses...",
389 : format_ip4_address, &start_addr,
390 : format_ip4_address, &end_addr, count);
391 :
392 0 : this_addr = start_addr;
393 :
394 0 : for (i = 0; i < count; i++)
395 : {
396 0 : if (is_add)
397 : {
398 0 : rv = nat44_ed_add_address (&this_addr, vrf_id, twice_nat);
399 : }
400 : else
401 : {
402 0 : rv = nat44_ed_del_address (this_addr, twice_nat);
403 : }
404 :
405 0 : switch (rv)
406 : {
407 0 : case VNET_API_ERROR_VALUE_EXIST:
408 0 : error = clib_error_return (0, "NAT address already in use.");
409 0 : goto done;
410 0 : case VNET_API_ERROR_NO_SUCH_ENTRY:
411 0 : error = clib_error_return (0, "NAT address not exist.");
412 0 : goto done;
413 0 : case VNET_API_ERROR_UNSPECIFIED:
414 : error =
415 0 : clib_error_return (0, "NAT address used in static mapping.");
416 0 : goto done;
417 0 : default:
418 0 : break;
419 : }
420 :
421 0 : increment_v4_address (&this_addr);
422 : }
423 :
424 0 : done:
425 0 : unformat_free (line_input);
426 :
427 0 : return error;
428 : }
429 :
430 : static void
431 0 : nat44_show_lru_summary (vlib_main_t * vm, snat_main_per_thread_data_t * tsm,
432 : u64 now, u64 sess_timeout_time)
433 : {
434 0 : snat_main_t *sm = &snat_main;
435 : dlist_elt_t *oldest_elt;
436 : snat_session_t *s;
437 : u32 oldest_index;
438 :
439 0 : if (tsm->lru_pool)
440 : {
441 : #define _(n, d) \
442 : oldest_index = \
443 : clib_dlist_remove_head (tsm->lru_pool, tsm->n##_lru_head_index); \
444 : if (~0 != oldest_index) \
445 : { \
446 : oldest_elt = pool_elt_at_index (tsm->lru_pool, oldest_index); \
447 : s = pool_elt_at_index (tsm->sessions, oldest_elt->value); \
448 : sess_timeout_time = \
449 : s->last_heard + (f64) nat44_session_get_timeout (sm, s); \
450 : vlib_cli_output (vm, d " LRU min session timeout %llu (now %llu)", \
451 : sess_timeout_time, now); \
452 : clib_dlist_addhead (tsm->lru_pool, tsm->n##_lru_head_index, \
453 : oldest_index); \
454 : }
455 0 : _ (tcp_estab, "established tcp");
456 0 : _ (tcp_trans, "transitory tcp");
457 0 : _ (udp, "udp");
458 0 : _ (unk_proto, "unknown protocol");
459 0 : _ (icmp, "icmp");
460 : #undef _
461 : }
462 0 : }
463 :
464 : static clib_error_t *
465 0 : nat44_show_summary_command_fn (vlib_main_t * vm, unformat_input_t * input,
466 : vlib_cli_command_t * cmd)
467 : {
468 : snat_main_per_thread_data_t *tsm;
469 0 : snat_main_t *sm = &snat_main;
470 : snat_session_t *s;
471 :
472 0 : u32 count = 0;
473 :
474 0 : u64 now = vlib_time_now (vm);
475 0 : u64 sess_timeout_time = 0;
476 :
477 : struct
478 : {
479 : u32 total;
480 : u32 timed_out;
481 0 : } udp = { 0 }, tcp = { 0 }, tcp_established = { 0 }, tcp_transitory = { 0 },
482 0 : icmp = { 0 }, other = { 0 };
483 :
484 : u32 fib;
485 :
486 0 : for (fib = 0; fib < vec_len (sm->max_translations_per_fib); fib++)
487 0 : vlib_cli_output (vm, "max translations per thread: %u fib %u",
488 0 : sm->max_translations_per_fib[fib], fib);
489 :
490 0 : if (sm->num_workers > 1)
491 : {
492 0 : vec_foreach (tsm, sm->per_thread_data)
493 : {
494 0 : pool_foreach (s, tsm->sessions)
495 : {
496 0 : sess_timeout_time =
497 0 : s->last_heard + (f64) nat44_session_get_timeout (sm, s);
498 :
499 0 : switch (s->proto)
500 : {
501 0 : case IP_PROTOCOL_ICMP:
502 0 : ++icmp.total;
503 0 : if (now >= sess_timeout_time)
504 0 : ++icmp.timed_out;
505 0 : break;
506 0 : case IP_PROTOCOL_TCP:
507 0 : ++tcp.total;
508 0 : if (now >= sess_timeout_time)
509 0 : ++tcp.timed_out;
510 0 : if (nat44_ed_tcp_is_established (s->tcp_state))
511 : {
512 0 : ++tcp_established.total;
513 0 : if (now >= sess_timeout_time)
514 0 : ++tcp_established.timed_out;
515 : }
516 : else
517 : {
518 0 : ++tcp_transitory.total;
519 0 : if (now >= sess_timeout_time)
520 0 : ++tcp_transitory.timed_out;
521 : }
522 0 : break;
523 0 : case IP_PROTOCOL_UDP:
524 0 : ++udp.total;
525 0 : if (now >= sess_timeout_time)
526 0 : ++udp.timed_out;
527 0 : break;
528 0 : default:
529 0 : ++other.total;
530 0 : if (now >= sess_timeout_time)
531 0 : ++other.timed_out;
532 0 : break;
533 : }
534 : }
535 0 : nat44_show_lru_summary (vm, tsm, now, sess_timeout_time);
536 0 : count += pool_elts (tsm->sessions);
537 : }
538 : }
539 : else
540 : {
541 0 : tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
542 0 : pool_foreach (s, tsm->sessions)
543 : {
544 0 : sess_timeout_time = s->last_heard +
545 0 : (f64) nat44_session_get_timeout (sm, s);
546 :
547 0 : switch (s->proto)
548 : {
549 0 : case IP_PROTOCOL_ICMP:
550 0 : ++icmp.total;
551 0 : if (now >= sess_timeout_time)
552 0 : ++icmp.timed_out;
553 0 : break;
554 0 : case IP_PROTOCOL_TCP:
555 0 : ++tcp.total;
556 0 : if (now >= sess_timeout_time)
557 0 : ++tcp.timed_out;
558 0 : if (nat44_ed_tcp_is_established (s->tcp_state))
559 : {
560 0 : ++tcp_established.total;
561 0 : if (now >= sess_timeout_time)
562 0 : ++tcp_established.timed_out;
563 : }
564 : else
565 : {
566 0 : ++tcp_transitory.total;
567 0 : if (now >= sess_timeout_time)
568 0 : ++tcp_transitory.timed_out;
569 : }
570 0 : break;
571 0 : case IP_PROTOCOL_UDP:
572 0 : ++udp.total;
573 0 : if (now >= sess_timeout_time)
574 0 : ++udp.timed_out;
575 0 : break;
576 0 : default:
577 0 : ++other.total;
578 0 : if (now >= sess_timeout_time)
579 0 : ++other.timed_out;
580 0 : break;
581 : }
582 : }
583 0 : nat44_show_lru_summary (vm, tsm, now, sess_timeout_time);
584 0 : count = pool_elts (tsm->sessions);
585 : }
586 :
587 0 : u32 timed_out =
588 0 : tcp.timed_out + icmp.timed_out + udp.timed_out + other.timed_out;
589 0 : vlib_cli_output (vm, "total sessions: %u (timed out: %u)", count, timed_out);
590 0 : vlib_cli_output (vm, "tcp sessions:");
591 0 : vlib_cli_output (vm, " total: %u (timed out: %u)", tcp.total,
592 : tcp.timed_out);
593 0 : vlib_cli_output (vm, " established: %u (timed out: %u)",
594 : tcp_established.total, tcp_established.timed_out);
595 0 : vlib_cli_output (vm, " transitory: %u (timed out: %u)",
596 : tcp_transitory.total, tcp_transitory.timed_out);
597 0 : vlib_cli_output (vm, "udp sessions:");
598 0 : vlib_cli_output (vm, " total: %u (timed out: %u)", udp.total,
599 : udp.timed_out);
600 0 : vlib_cli_output (vm, "icmp sessions:");
601 0 : vlib_cli_output (vm, " total: %u (timed out: %u)", icmp.total,
602 : icmp.timed_out);
603 0 : vlib_cli_output (vm, "other sessions:");
604 0 : vlib_cli_output (vm, " total: %u (timed out: %u)", other.total,
605 : other.timed_out);
606 0 : return 0;
607 : }
608 :
609 : static clib_error_t *
610 0 : nat44_show_addresses_command_fn (vlib_main_t * vm, unformat_input_t * input,
611 : vlib_cli_command_t * cmd)
612 : {
613 0 : snat_main_t *sm = &snat_main;
614 : snat_address_t *ap;
615 :
616 0 : vlib_cli_output (vm, "NAT44 pool addresses:");
617 0 : vec_foreach (ap, sm->addresses)
618 : {
619 0 : vlib_cli_output (vm, "%U", format_ip4_address, &ap->addr);
620 0 : if (ap->fib_index != ~0)
621 0 : vlib_cli_output (
622 : vm, " tenant VRF: %u",
623 0 : fib_table_get (ap->fib_index, FIB_PROTOCOL_IP4)->ft_table_id);
624 : else
625 0 : vlib_cli_output (vm, " tenant VRF independent");
626 :
627 0 : if (ap->addr_len != ~0)
628 0 : vlib_cli_output (vm, " synced with interface address");
629 : }
630 0 : vlib_cli_output (vm, "NAT44 twice-nat pool addresses:");
631 0 : vec_foreach (ap, sm->twice_nat_addresses)
632 : {
633 0 : vlib_cli_output (vm, "%U", format_ip4_address, &ap->addr);
634 0 : if (ap->fib_index != ~0)
635 0 : vlib_cli_output (vm, " tenant VRF: %u",
636 0 : fib_table_get(ap->fib_index, FIB_PROTOCOL_IP4)->ft_table_id);
637 : else
638 0 : vlib_cli_output (vm, " tenant VRF independent");
639 :
640 0 : if (ap->addr_len != ~0)
641 0 : vlib_cli_output (vm, " synced with interface address");
642 : }
643 0 : return 0;
644 : }
645 :
646 : static clib_error_t *
647 0 : snat_feature_command_fn (vlib_main_t * vm,
648 : unformat_input_t * input, vlib_cli_command_t * cmd)
649 : {
650 0 : unformat_input_t _line_input, *line_input = &_line_input;
651 0 : vnet_main_t *vnm = vnet_get_main ();
652 0 : clib_error_t *error = 0;
653 : u32 sw_if_index;
654 0 : u32 *inside_sw_if_indices = 0;
655 0 : u32 *outside_sw_if_indices = 0;
656 0 : u8 is_output_feature = 0;
657 0 : int i, rv, is_del = 0;
658 :
659 0 : sw_if_index = ~0;
660 :
661 0 : if (!unformat_user (input, unformat_line_input, line_input))
662 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
663 :
664 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
665 : {
666 0 : if (unformat (line_input, "in %U", unformat_vnet_sw_interface,
667 : vnm, &sw_if_index))
668 0 : vec_add1 (inside_sw_if_indices, sw_if_index);
669 0 : else if (unformat (line_input, "out %U", unformat_vnet_sw_interface,
670 : vnm, &sw_if_index))
671 0 : vec_add1 (outside_sw_if_indices, sw_if_index);
672 0 : else if (unformat (line_input, "output-feature"))
673 0 : is_output_feature = 1;
674 0 : else if (unformat (line_input, "del"))
675 0 : is_del = 1;
676 : else
677 : {
678 0 : error = clib_error_return (0, "unknown input '%U'",
679 : format_unformat_error, line_input);
680 0 : goto done;
681 : }
682 : }
683 :
684 0 : if (vec_len (inside_sw_if_indices))
685 : {
686 0 : for (i = 0; i < vec_len (inside_sw_if_indices); i++)
687 : {
688 0 : sw_if_index = inside_sw_if_indices[i];
689 0 : if (is_output_feature)
690 : {
691 0 : if (is_del)
692 : {
693 0 : rv = nat44_ed_del_output_interface (sw_if_index);
694 : }
695 : else
696 : {
697 0 : rv = nat44_ed_add_output_interface (sw_if_index);
698 : }
699 0 : if (rv)
700 : {
701 0 : error = clib_error_return (0, "%s %U failed",
702 : is_del ? "del" : "add",
703 : format_vnet_sw_if_index_name,
704 : vnm, sw_if_index);
705 0 : goto done;
706 : }
707 : }
708 : else
709 : {
710 0 : if (is_del)
711 : {
712 0 : rv = nat44_ed_del_interface (sw_if_index, 1);
713 : }
714 : else
715 : {
716 0 : rv = nat44_ed_add_interface (sw_if_index, 1);
717 : }
718 0 : if (rv)
719 : {
720 0 : error = clib_error_return (0, "%s %U failed",
721 : is_del ? "del" : "add",
722 : format_vnet_sw_if_index_name,
723 : vnm, sw_if_index);
724 0 : goto done;
725 : }
726 : }
727 : }
728 : }
729 :
730 0 : if (vec_len (outside_sw_if_indices))
731 : {
732 0 : for (i = 0; i < vec_len (outside_sw_if_indices); i++)
733 : {
734 0 : sw_if_index = outside_sw_if_indices[i];
735 0 : if (is_output_feature)
736 : {
737 0 : if (is_del)
738 : {
739 0 : rv = nat44_ed_del_output_interface (sw_if_index);
740 : }
741 : else
742 : {
743 0 : rv = nat44_ed_add_output_interface (sw_if_index);
744 : }
745 0 : if (rv)
746 : {
747 0 : error = clib_error_return (0, "%s %U failed",
748 : is_del ? "del" : "add",
749 : format_vnet_sw_if_index_name,
750 : vnm, sw_if_index);
751 0 : goto done;
752 : }
753 : }
754 : else
755 : {
756 0 : if (is_del)
757 : {
758 0 : rv = nat44_ed_del_interface (sw_if_index, 0);
759 : }
760 : else
761 : {
762 0 : rv = nat44_ed_add_interface (sw_if_index, 0);
763 : }
764 0 : if (rv)
765 : {
766 0 : error = clib_error_return (0, "%s %U failed",
767 : is_del ? "del" : "add",
768 : format_vnet_sw_if_index_name,
769 : vnm, sw_if_index);
770 0 : goto done;
771 : }
772 : }
773 : }
774 : }
775 :
776 0 : done:
777 0 : unformat_free (line_input);
778 0 : vec_free (inside_sw_if_indices);
779 0 : vec_free (outside_sw_if_indices);
780 :
781 0 : return error;
782 : }
783 :
784 : static clib_error_t *
785 0 : nat44_show_interfaces_command_fn (vlib_main_t * vm, unformat_input_t * input,
786 : vlib_cli_command_t * cmd)
787 : {
788 0 : snat_main_t *sm = &snat_main;
789 : snat_interface_t *i;
790 0 : vnet_main_t *vnm = vnet_get_main ();
791 :
792 0 : vlib_cli_output (vm, "NAT44 interfaces:");
793 0 : pool_foreach (i, sm->interfaces)
794 : {
795 0 : vlib_cli_output (vm, " %U %s", format_vnet_sw_if_index_name, vnm,
796 : i->sw_if_index,
797 0 : (nat44_ed_is_interface_inside (i) &&
798 0 : nat44_ed_is_interface_outside (i)) ?
799 : "in out" :
800 0 : (nat44_ed_is_interface_inside (i) ? "in" : "out"));
801 : }
802 :
803 0 : pool_foreach (i, sm->output_feature_interfaces)
804 : {
805 0 : vlib_cli_output (vm, " %U output-feature %s",
806 : format_vnet_sw_if_index_name, vnm, i->sw_if_index,
807 0 : (nat44_ed_is_interface_inside (i) &&
808 0 : nat44_ed_is_interface_outside (i)) ?
809 : "in out" :
810 0 : (nat44_ed_is_interface_inside (i) ? "in" : "out"));
811 : }
812 :
813 0 : return 0;
814 : }
815 :
816 : static clib_error_t *
817 0 : add_static_mapping_command_fn (vlib_main_t * vm,
818 : unformat_input_t * input,
819 : vlib_cli_command_t * cmd)
820 : {
821 0 : unformat_input_t _line_input, *line_input = &_line_input;
822 0 : vnet_main_t *vnm = vnet_get_main ();
823 0 : clib_error_t *error = 0;
824 : ip4_address_t l_addr, e_addr, pool_addr;
825 0 : u32 l_port = 0, e_port = 0, vrf_id = ~0;
826 0 : u8 l_port_set = 0, e_port_set = 0;
827 0 : int is_add = 1, rv;
828 0 : u32 flags = 0;
829 0 : u32 sw_if_index = ~0;
830 0 : ip_protocol_t proto = 0;
831 :
832 0 : if (!unformat_user (input, unformat_line_input, line_input))
833 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
834 :
835 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
836 : {
837 0 : if (unformat (line_input, "local %U %u", unformat_ip4_address, &l_addr,
838 : &l_port))
839 : {
840 0 : l_port_set = 1;
841 : }
842 : else
843 0 : if (unformat (line_input, "local %U", unformat_ip4_address, &l_addr))
844 : ;
845 0 : else if (unformat (line_input, "external %U %u", unformat_ip4_address,
846 : &e_addr, &e_port))
847 : {
848 0 : e_port_set = 1;
849 : }
850 0 : else if (unformat (line_input, "external %U", unformat_ip4_address,
851 : &e_addr))
852 : ;
853 0 : else if (unformat (line_input, "external %U %u",
854 : unformat_vnet_sw_interface, vnm, &sw_if_index,
855 : &e_port))
856 : {
857 0 : flags |= NAT_SM_FLAG_SWITCH_ADDRESS;
858 0 : e_port_set = 1;
859 : }
860 0 : else if (unformat (line_input, "external %U",
861 : unformat_vnet_sw_interface, vnm, &sw_if_index))
862 : {
863 0 : flags |= NAT_SM_FLAG_SWITCH_ADDRESS;
864 : }
865 0 : else if (unformat (line_input, "exact %U", unformat_ip4_address,
866 : &pool_addr))
867 : {
868 0 : flags |= NAT_SM_FLAG_EXACT_ADDRESS;
869 : }
870 0 : else if (unformat (line_input, "vrf %u", &vrf_id))
871 : ;
872 0 : else if (unformat (line_input, "%U", unformat_ip_protocol, &proto))
873 : ;
874 0 : else if (unformat (line_input, "self-twice-nat"))
875 : {
876 0 : flags |= NAT_SM_FLAG_SELF_TWICE_NAT;
877 : }
878 0 : else if (unformat (line_input, "twice-nat"))
879 : {
880 0 : flags |= NAT_SM_FLAG_TWICE_NAT;
881 : }
882 0 : else if (unformat (line_input, "out2in-only"))
883 : {
884 0 : flags |= NAT_SM_FLAG_OUT2IN_ONLY;
885 : }
886 0 : else if (unformat (line_input, "del"))
887 : {
888 0 : is_add = 0;
889 : }
890 : else
891 : {
892 0 : error = clib_error_return (0, "unknown input: '%U'",
893 : format_unformat_error, line_input);
894 0 : goto done;
895 : }
896 : }
897 :
898 0 : if (l_port_set != e_port_set)
899 : {
900 0 : error = clib_error_return (0, "Either both ports are set or none.");
901 0 : goto done;
902 : }
903 :
904 0 : if (!l_port_set)
905 : {
906 0 : flags |= NAT_SM_FLAG_ADDR_ONLY;
907 : }
908 : else
909 : {
910 0 : l_port = clib_host_to_net_u16 (l_port);
911 0 : e_port = clib_host_to_net_u16 (e_port);
912 : }
913 :
914 0 : if (is_add)
915 : {
916 : rv =
917 0 : nat44_ed_add_static_mapping (l_addr, e_addr, l_port, e_port, proto,
918 : vrf_id, sw_if_index, flags, pool_addr, 0);
919 : }
920 : else
921 : {
922 0 : rv = nat44_ed_del_static_mapping (l_addr, e_addr, l_port, e_port, proto,
923 : vrf_id, sw_if_index, flags);
924 : }
925 :
926 0 : switch (rv)
927 : {
928 0 : case VNET_API_ERROR_UNSUPPORTED:
929 0 : error = clib_error_return (0, "Plugin disabled.");
930 0 : break;
931 0 : case VNET_API_ERROR_NO_SUCH_ENTRY:
932 0 : error = clib_error_return (0, "Mapping not exist.");
933 0 : break;
934 0 : case VNET_API_ERROR_VALUE_EXIST:
935 0 : error = clib_error_return (0, "Mapping already exist.");
936 0 : break;
937 0 : default:
938 0 : break;
939 : }
940 :
941 0 : done:
942 0 : unformat_free (line_input);
943 :
944 0 : return error;
945 : }
946 :
947 : static clib_error_t *
948 0 : add_identity_mapping_command_fn (vlib_main_t * vm,
949 : unformat_input_t * input,
950 : vlib_cli_command_t * cmd)
951 : {
952 0 : unformat_input_t _line_input, *line_input = &_line_input;
953 0 : vnet_main_t *vnm = vnet_get_main ();
954 0 : clib_error_t *error = 0;
955 :
956 0 : int rv, is_add = 1, port_set = 0;
957 0 : u32 sw_if_index, port, flags, vrf_id = ~0;
958 0 : ip_protocol_t proto = 0;
959 : ip4_address_t addr;
960 :
961 0 : flags = NAT_SM_FLAG_IDENTITY_NAT;
962 :
963 0 : if (!unformat_user (input, unformat_line_input, line_input))
964 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
965 :
966 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
967 : {
968 0 : if (unformat (line_input, "%U", unformat_ip4_address, &addr))
969 : ;
970 0 : else if (unformat (line_input, "external %U",
971 : unformat_vnet_sw_interface, vnm, &sw_if_index))
972 : {
973 0 : flags |= NAT_SM_FLAG_SWITCH_ADDRESS;
974 : }
975 0 : else if (unformat (line_input, "vrf %u", &vrf_id))
976 : ;
977 0 : else if (unformat (line_input, "%U %u", unformat_ip_protocol, &proto,
978 : &port))
979 : {
980 0 : port_set = 1;
981 : }
982 0 : else if (unformat (line_input, "del"))
983 : {
984 0 : is_add = 0;
985 : }
986 : else
987 : {
988 0 : error = clib_error_return (0, "unknown input: '%U'",
989 : format_unformat_error, line_input);
990 0 : goto done;
991 : }
992 : }
993 :
994 0 : if (!port_set)
995 : {
996 0 : flags |= NAT_SM_FLAG_ADDR_ONLY;
997 : }
998 : else
999 : {
1000 0 : port = clib_host_to_net_u16 (port);
1001 : }
1002 :
1003 0 : if (is_add)
1004 : {
1005 :
1006 0 : rv = nat44_ed_add_static_mapping (addr, addr, port, port, proto, vrf_id,
1007 : sw_if_index, flags, addr, 0);
1008 : }
1009 : else
1010 : {
1011 0 : rv = nat44_ed_del_static_mapping (addr, addr, port, port, proto, vrf_id,
1012 : sw_if_index, flags);
1013 : }
1014 :
1015 0 : switch (rv)
1016 : {
1017 0 : case VNET_API_ERROR_UNSUPPORTED:
1018 0 : error = clib_error_return (0, "Plugin disabled.");
1019 0 : break;
1020 0 : case VNET_API_ERROR_NO_SUCH_ENTRY:
1021 0 : error = clib_error_return (0, "Mapping not exist.");
1022 0 : break;
1023 0 : case VNET_API_ERROR_VALUE_EXIST:
1024 0 : error = clib_error_return (0, "Mapping already exist.");
1025 0 : break;
1026 0 : default:
1027 0 : break;
1028 : }
1029 :
1030 0 : done:
1031 0 : unformat_free (line_input);
1032 :
1033 0 : return error;
1034 : }
1035 :
1036 : static clib_error_t *
1037 0 : add_lb_static_mapping_command_fn (vlib_main_t * vm,
1038 : unformat_input_t * input,
1039 : vlib_cli_command_t * cmd)
1040 : {
1041 0 : unformat_input_t _line_input, *line_input = &_line_input;
1042 0 : clib_error_t *error = 0;
1043 : ip4_address_t l_addr, e_addr;
1044 0 : u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0, affinity = 0;
1045 0 : u8 proto_set = 0;
1046 : ip_protocol_t proto;
1047 0 : nat44_lb_addr_port_t *locals = 0, local;
1048 0 : int rv, is_add = 1;
1049 0 : u32 flags = 0;
1050 :
1051 0 : if (!unformat_user (input, unformat_line_input, line_input))
1052 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
1053 :
1054 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1055 : {
1056 0 : if (unformat (line_input, "local %U:%u probability %u",
1057 : unformat_ip4_address, &l_addr, &l_port, &probability))
1058 : {
1059 0 : clib_memset (&local, 0, sizeof (local));
1060 0 : local.addr = l_addr;
1061 0 : local.port = (u16) l_port;
1062 0 : local.probability = (u8) probability;
1063 0 : vec_add1 (locals, local);
1064 : }
1065 0 : else if (unformat (line_input, "local %U:%u vrf %u probability %u",
1066 : unformat_ip4_address, &l_addr, &l_port, &vrf_id,
1067 : &probability))
1068 : {
1069 0 : clib_memset (&local, 0, sizeof (local));
1070 0 : local.addr = l_addr;
1071 0 : local.port = (u16) l_port;
1072 0 : local.probability = (u8) probability;
1073 0 : local.vrf_id = vrf_id;
1074 0 : vec_add1 (locals, local);
1075 : }
1076 0 : else if (unformat (line_input, "external %U:%u", unformat_ip4_address,
1077 : &e_addr, &e_port))
1078 : ;
1079 0 : else if (unformat (line_input, "protocol %U", unformat_ip_protocol,
1080 : &proto))
1081 : {
1082 0 : proto_set = 1;
1083 : }
1084 0 : else if (unformat (line_input, "twice-nat"))
1085 : {
1086 0 : flags |= NAT_SM_FLAG_TWICE_NAT;
1087 : }
1088 0 : else if (unformat (line_input, "self-twice-nat"))
1089 : {
1090 0 : flags |= NAT_SM_FLAG_SELF_TWICE_NAT;
1091 : }
1092 0 : else if (unformat (line_input, "out2in-only"))
1093 : {
1094 0 : flags |= NAT_SM_FLAG_OUT2IN_ONLY;
1095 : }
1096 0 : else if (unformat (line_input, "del"))
1097 : {
1098 0 : is_add = 0;
1099 : }
1100 0 : else if (unformat (line_input, "affinity %u", &affinity))
1101 : ;
1102 : else
1103 : {
1104 0 : error = clib_error_return (0, "unknown input: '%U'",
1105 : format_unformat_error, line_input);
1106 0 : goto done;
1107 : }
1108 : }
1109 :
1110 0 : if (vec_len (locals) < 2)
1111 : {
1112 0 : error = clib_error_return (0, "at least two local must be set");
1113 0 : goto done;
1114 : }
1115 :
1116 0 : if (!proto_set)
1117 : {
1118 0 : error = clib_error_return (0, "missing protocol");
1119 0 : goto done;
1120 : }
1121 :
1122 0 : if (is_add)
1123 : {
1124 0 : rv = nat44_ed_add_lb_static_mapping (e_addr, (u16) e_port, proto, locals,
1125 : flags, 0, affinity);
1126 : }
1127 : else
1128 : {
1129 0 : rv = nat44_ed_del_lb_static_mapping (e_addr, (u16) e_port, proto, flags);
1130 : }
1131 :
1132 0 : switch (rv)
1133 : {
1134 0 : case VNET_API_ERROR_INVALID_VALUE:
1135 0 : error = clib_error_return (0, "External port already in use.");
1136 0 : goto done;
1137 0 : case VNET_API_ERROR_NO_SUCH_ENTRY:
1138 0 : if (is_add)
1139 0 : error = clib_error_return (0, "External address must be allocated.");
1140 : else
1141 0 : error = clib_error_return (0, "Mapping not exist.");
1142 0 : goto done;
1143 0 : case VNET_API_ERROR_VALUE_EXIST:
1144 0 : error = clib_error_return (0, "Mapping already exist.");
1145 0 : goto done;
1146 0 : default:
1147 0 : break;
1148 : }
1149 :
1150 0 : done:
1151 0 : unformat_free (line_input);
1152 0 : vec_free (locals);
1153 :
1154 0 : return error;
1155 : }
1156 :
1157 : static clib_error_t *
1158 0 : add_lb_backend_command_fn (vlib_main_t * vm,
1159 : unformat_input_t * input, vlib_cli_command_t * cmd)
1160 : {
1161 0 : unformat_input_t _line_input, *line_input = &_line_input;
1162 0 : clib_error_t *error = 0;
1163 : ip4_address_t l_addr, e_addr;
1164 0 : u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0;
1165 0 : int is_add = 1;
1166 : int rv;
1167 : ip_protocol_t proto;
1168 0 : u8 proto_set = 0;
1169 :
1170 0 : if (!unformat_user (input, unformat_line_input, line_input))
1171 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
1172 :
1173 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1174 : {
1175 0 : if (unformat (line_input, "local %U:%u probability %u",
1176 : unformat_ip4_address, &l_addr, &l_port, &probability))
1177 : ;
1178 0 : else if (unformat (line_input, "local %U:%u vrf %u probability %u",
1179 : unformat_ip4_address, &l_addr, &l_port, &vrf_id,
1180 : &probability))
1181 : ;
1182 0 : else if (unformat (line_input, "external %U:%u", unformat_ip4_address,
1183 : &e_addr, &e_port))
1184 : ;
1185 0 : else if (unformat (line_input, "protocol %U", unformat_ip_protocol,
1186 : &proto))
1187 0 : proto_set = 1;
1188 0 : else if (unformat (line_input, "del"))
1189 0 : is_add = 0;
1190 : else
1191 : {
1192 0 : error = clib_error_return (0, "unknown input: '%U'",
1193 : format_unformat_error, line_input);
1194 0 : goto done;
1195 : }
1196 : }
1197 :
1198 0 : if (!l_port || !e_port)
1199 : {
1200 0 : error = clib_error_return (0, "local or external must be set");
1201 0 : goto done;
1202 : }
1203 :
1204 0 : if (!proto_set)
1205 : {
1206 0 : error = clib_error_return (0, "missing protocol");
1207 0 : goto done;
1208 : }
1209 :
1210 0 : rv = nat44_ed_add_del_lb_static_mapping_local (
1211 0 : e_addr, (u16) e_port, l_addr, l_port, proto, vrf_id, probability, is_add);
1212 :
1213 0 : switch (rv)
1214 : {
1215 0 : case VNET_API_ERROR_INVALID_VALUE:
1216 0 : error = clib_error_return (0, "External is not load-balancing static "
1217 : "mapping.");
1218 0 : goto done;
1219 0 : case VNET_API_ERROR_NO_SUCH_ENTRY:
1220 0 : error = clib_error_return (0, "Mapping or back-end not exist.");
1221 0 : goto done;
1222 0 : case VNET_API_ERROR_VALUE_EXIST:
1223 0 : error = clib_error_return (0, "Back-end already exist.");
1224 0 : goto done;
1225 0 : case VNET_API_ERROR_UNSPECIFIED:
1226 0 : error = clib_error_return (0, "At least two back-ends must remain");
1227 0 : goto done;
1228 0 : default:
1229 0 : break;
1230 : }
1231 :
1232 0 : done:
1233 0 : unformat_free (line_input);
1234 :
1235 0 : return error;
1236 : }
1237 :
1238 : static clib_error_t *
1239 0 : nat44_show_static_mappings_command_fn (vlib_main_t * vm,
1240 : unformat_input_t * input,
1241 : vlib_cli_command_t * cmd)
1242 : {
1243 0 : snat_main_t *sm = &snat_main;
1244 : snat_static_mapping_t *m;
1245 : snat_static_mapping_resolve_t *rp;
1246 :
1247 0 : vlib_cli_output (vm, "NAT44 static mappings:");
1248 0 : pool_foreach (m, sm->static_mappings)
1249 : {
1250 0 : vlib_cli_output (vm, " %U", format_snat_static_mapping, m);
1251 : }
1252 0 : vec_foreach (rp, sm->sm_to_resolve)
1253 0 : vlib_cli_output (vm, " %U", format_snat_static_map_to_resolve, rp);
1254 :
1255 0 : return 0;
1256 : }
1257 :
1258 : static clib_error_t *
1259 0 : snat_add_interface_address_command_fn (vlib_main_t * vm,
1260 : unformat_input_t * input,
1261 : vlib_cli_command_t * cmd)
1262 : {
1263 0 : unformat_input_t _line_input, *line_input = &_line_input;
1264 0 : vnet_main_t *vnm = vnet_get_main ();
1265 0 : clib_error_t *error = 0;
1266 0 : int rv, is_del = 0;
1267 0 : u8 twice_nat = 0;
1268 : u32 sw_if_index;
1269 :
1270 0 : sw_if_index = ~0;
1271 :
1272 0 : if (!unformat_user (input, unformat_line_input, line_input))
1273 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
1274 :
1275 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1276 : {
1277 0 : if (unformat (line_input, "%U", unformat_vnet_sw_interface, vnm,
1278 : &sw_if_index))
1279 : ;
1280 0 : else if (unformat (line_input, "twice-nat"))
1281 : {
1282 0 : twice_nat = 1;
1283 : }
1284 0 : else if (unformat (line_input, "del"))
1285 : {
1286 0 : is_del = 1;
1287 : }
1288 : else
1289 : {
1290 0 : error = clib_error_return (0, "unknown input '%U'",
1291 : format_unformat_error, line_input);
1292 0 : goto done;
1293 : }
1294 : }
1295 :
1296 0 : if (is_del)
1297 : {
1298 0 : rv = nat44_ed_del_interface_address (sw_if_index, twice_nat);
1299 : }
1300 : else
1301 : {
1302 0 : rv = nat44_ed_add_interface_address (sw_if_index, twice_nat);
1303 : }
1304 :
1305 0 : if (0 != rv)
1306 : {
1307 : error =
1308 0 : clib_error_return (0, "%s %U address failed", is_del ? "del" : "add",
1309 : format_vnet_sw_if_index_name, vnm, sw_if_index);
1310 0 : goto done;
1311 : }
1312 :
1313 0 : done:
1314 0 : unformat_free (line_input);
1315 :
1316 0 : return error;
1317 : }
1318 :
1319 : static clib_error_t *
1320 0 : nat44_ed_add_del_vrf_table_command_fn (vlib_main_t *vm,
1321 : unformat_input_t *input,
1322 : vlib_cli_command_t *cmd)
1323 : {
1324 0 : unformat_input_t _line_input, *line_input = &_line_input;
1325 0 : clib_error_t *error = 0;
1326 0 : bool is_add = true, not_set = true;
1327 0 : u32 vrf_id = ~0;
1328 : int rv;
1329 :
1330 0 : if (!unformat_user (input, unformat_line_input, line_input))
1331 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
1332 :
1333 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1334 : {
1335 0 : if (unformat (line_input, "%u", &vrf_id))
1336 : ;
1337 0 : else if (not_set)
1338 : {
1339 0 : if (unformat (line_input, "add"))
1340 : {
1341 0 : is_add = true;
1342 : }
1343 0 : else if (unformat (line_input, "del"))
1344 : {
1345 0 : is_add = false;
1346 : }
1347 0 : not_set = false;
1348 : }
1349 : else
1350 : {
1351 0 : error = clib_error_return (0, "unknown input '%U'",
1352 : format_unformat_error, line_input);
1353 0 : goto done;
1354 : }
1355 : }
1356 :
1357 0 : if (not_set)
1358 : {
1359 0 : error = clib_error_return (0, "missing required parameter");
1360 0 : goto done;
1361 : }
1362 :
1363 0 : if (~0 == vrf_id)
1364 : {
1365 0 : error = clib_error_return (0, "missing vrf id");
1366 0 : goto done;
1367 : }
1368 :
1369 0 : rv = nat44_ed_add_del_vrf_table (vrf_id, is_add);
1370 0 : if (rv)
1371 : {
1372 0 : error = clib_error_return (0, "%s vrf table returned %d",
1373 : is_add ? "add" : "del", rv);
1374 : }
1375 :
1376 0 : done:
1377 0 : unformat_free (line_input);
1378 :
1379 0 : return error;
1380 : }
1381 :
1382 : static clib_error_t *
1383 0 : nat44_ed_add_del_vrf_route_command_fn (vlib_main_t *vm,
1384 : unformat_input_t *input,
1385 : vlib_cli_command_t *cmd)
1386 : {
1387 0 : unformat_input_t _line_input, *line_input = &_line_input;
1388 0 : clib_error_t *error = 0;
1389 0 : bool is_add = true, not_set = true;
1390 0 : u32 vrf_id = ~0, table_vrf_id = ~0;
1391 : int rv;
1392 :
1393 0 : if (!unformat_user (input, unformat_line_input, line_input))
1394 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
1395 :
1396 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1397 : {
1398 0 : if (unformat (line_input, "table %u", &table_vrf_id))
1399 : ;
1400 0 : else if (unformat (line_input, "%u", &vrf_id))
1401 : ;
1402 0 : else if (not_set)
1403 : {
1404 0 : if (unformat (line_input, "add"))
1405 : {
1406 0 : is_add = true;
1407 : }
1408 0 : else if (unformat (line_input, "del"))
1409 : {
1410 0 : is_add = false;
1411 : }
1412 0 : not_set = false;
1413 : }
1414 : else
1415 : {
1416 0 : error = clib_error_return (0, "unknown input '%U'",
1417 : format_unformat_error, line_input);
1418 0 : goto done;
1419 : }
1420 : }
1421 :
1422 0 : if (not_set)
1423 : {
1424 0 : error = clib_error_return (0, "missing required parameter");
1425 0 : goto done;
1426 : }
1427 :
1428 0 : if ((~0 == vrf_id) || (~0 == table_vrf_id))
1429 : {
1430 0 : error = clib_error_return (0, "missing vrf id");
1431 0 : goto done;
1432 : }
1433 :
1434 0 : rv = nat44_ed_add_del_vrf_route (table_vrf_id, vrf_id, is_add);
1435 0 : if (rv)
1436 : {
1437 0 : error = clib_error_return (0, "%s vrf table returned %d",
1438 : is_add ? "add" : "del", rv);
1439 : }
1440 :
1441 0 : done:
1442 0 : unformat_free (line_input);
1443 :
1444 0 : return error;
1445 : }
1446 :
1447 : static clib_error_t *
1448 0 : nat44_ed_show_vrf_tables_command_fn (vlib_main_t *vm, unformat_input_t *input,
1449 : vlib_cli_command_t *cmd)
1450 : {
1451 0 : snat_main_t *sm = &snat_main;
1452 : vrf_table_t *t;
1453 : vrf_route_t *r;
1454 0 : int i = 0;
1455 :
1456 0 : pool_foreach (t, sm->vrf_tables)
1457 : {
1458 0 : vlib_cli_output (vm, "table %u:", t->table_vrf_id);
1459 0 : pool_foreach (r, t->routes)
1460 : {
1461 0 : vlib_cli_output (vm, "[%u] vrf-id %u", i, r->vrf_id);
1462 0 : i++;
1463 : }
1464 : }
1465 :
1466 0 : return 0;
1467 : }
1468 :
1469 : static clib_error_t *
1470 0 : nat44_show_interface_address_command_fn (vlib_main_t * vm,
1471 : unformat_input_t * input,
1472 : vlib_cli_command_t * cmd)
1473 : {
1474 0 : snat_main_t *sm = &snat_main;
1475 0 : vnet_main_t *vnm = vnet_get_main ();
1476 : snat_address_resolve_t *ap;
1477 :
1478 0 : vlib_cli_output (vm, "NAT44 pool address interfaces:");
1479 0 : vec_foreach (ap, sm->addr_to_resolve)
1480 : {
1481 0 : vlib_cli_output (vm, " %U%s", format_vnet_sw_if_index_name, vnm,
1482 0 : ap->sw_if_index, ap->is_twice_nat ? " twice-nat" : "");
1483 : }
1484 0 : return 0;
1485 : }
1486 :
1487 : static clib_error_t *
1488 12 : nat44_show_sessions_command_fn (vlib_main_t * vm, unformat_input_t * input,
1489 : vlib_cli_command_t * cmd)
1490 : {
1491 12 : unformat_input_t _line_input, *line_input = &_line_input;
1492 12 : clib_error_t *error = 0;
1493 : snat_main_per_thread_data_t *tsm;
1494 12 : snat_main_t *sm = &snat_main;
1495 : ip4_address_t i2o_sa, i2o_da, o2i_sa, o2i_da;
1496 12 : u8 filter_i2o_sa = 0, filter_i2o_da = 0;
1497 12 : u8 filter_o2i_sa = 0, filter_o2i_da = 0;
1498 : u16 i2o_sp, i2o_dp, o2i_sp, o2i_dp;
1499 12 : u8 filter_i2o_sp = 0, filter_i2o_dp = 0;
1500 12 : u8 filter_o2i_sp = 0, filter_o2i_dp = 0;
1501 : ip_protocol_t proto;
1502 12 : u8 filter_proto = 0;
1503 12 : u8 had_input = 1, filtering = 0;
1504 12 : int i = 0, showed_sessions;
1505 :
1506 12 : if (!unformat_user (input, unformat_line_input, line_input))
1507 : {
1508 12 : had_input = 0;
1509 12 : goto print;
1510 : }
1511 :
1512 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1513 : {
1514 0 : if (unformat (line_input, "filter i2o saddr %U", unformat_ip4_address,
1515 : &i2o_sa))
1516 0 : filter_i2o_sa = filtering = 1;
1517 0 : else if (unformat (line_input, "filter i2o daddr %U",
1518 : unformat_ip4_address, &i2o_da))
1519 0 : filter_i2o_da = filtering = 1;
1520 0 : else if (unformat (line_input, "filter o2i saddr %U",
1521 : unformat_ip4_address, &o2i_sa))
1522 0 : filter_o2i_sa = filtering = 1;
1523 0 : else if (unformat (line_input, "filter o2i daddr %U",
1524 : unformat_ip4_address, &o2i_da))
1525 0 : filter_o2i_da = filtering = 1;
1526 0 : else if (unformat (line_input, "filter i2o sport %u", &i2o_sp))
1527 0 : filter_i2o_sp = filtering = 1;
1528 0 : else if (unformat (line_input, "filter i2o dport %u", &i2o_dp))
1529 0 : filter_i2o_dp = filtering = 1;
1530 0 : else if (unformat (line_input, "filter o2i sport %u", &o2i_sp))
1531 0 : filter_o2i_sp = filtering = 1;
1532 0 : else if (unformat (line_input, "filter o2i dport %u", &o2i_dp))
1533 0 : filter_o2i_dp = filtering = 1;
1534 0 : else if (unformat (line_input, "filter i2o proto %U",
1535 : unformat_ip_protocol, &proto))
1536 0 : filter_proto = filtering = 1;
1537 0 : else if (unformat (line_input, "filter o2i proto %U",
1538 : unformat_ip_protocol, &proto))
1539 0 : filter_proto = filtering = 1;
1540 : else
1541 : {
1542 0 : error = clib_error_return (0, "unknown input '%U'",
1543 : format_unformat_error, line_input);
1544 0 : goto done;
1545 : }
1546 : }
1547 :
1548 0 : print:
1549 12 : vlib_cli_output (vm, "NAT44 ED sessions:");
1550 :
1551 52 : vec_foreach_index (i, sm->per_thread_data)
1552 : {
1553 40 : tsm = vec_elt_at_index (sm->per_thread_data, i);
1554 :
1555 80 : vlib_cli_output (vm, "-------- thread %d %s: %d sessions --------\n",
1556 40 : i, vlib_worker_threads[i].name,
1557 40 : pool_elts (tsm->sessions));
1558 :
1559 40 : showed_sessions = 0;
1560 : snat_session_t *s;
1561 13357 : pool_foreach (s, tsm->sessions)
1562 : {
1563 13317 : if (filtering)
1564 : {
1565 0 : if (filter_i2o_sa && i2o_sa.as_u32 != s->i2o.match.saddr.as_u32)
1566 0 : continue;
1567 0 : if (filter_i2o_da && i2o_da.as_u32 != s->i2o.match.daddr.as_u32)
1568 0 : continue;
1569 0 : if (filter_o2i_sa && o2i_sa.as_u32 != s->o2i.match.saddr.as_u32)
1570 0 : continue;
1571 0 : if (filter_o2i_da && o2i_da.as_u32 != s->o2i.match.daddr.as_u32)
1572 0 : continue;
1573 0 : if (filter_i2o_sp &&
1574 0 : i2o_sp != clib_net_to_host_u16 (s->i2o.match.sport))
1575 0 : continue;
1576 0 : if (filter_i2o_dp &&
1577 0 : i2o_dp != clib_net_to_host_u16 (s->i2o.match.dport))
1578 0 : continue;
1579 0 : if (filter_o2i_sp &&
1580 0 : o2i_sp != clib_net_to_host_u16 (s->o2i.match.sport))
1581 0 : continue;
1582 0 : if (filter_o2i_dp &&
1583 0 : o2i_dp != clib_net_to_host_u16 (s->o2i.match.dport))
1584 0 : continue;
1585 0 : if (filter_proto && proto != s->proto)
1586 0 : continue;
1587 0 : showed_sessions++;
1588 : }
1589 13317 : vlib_cli_output (vm, " %U\n", format_snat_session, sm, tsm, s,
1590 : vlib_time_now (vm));
1591 : }
1592 40 : if (filtering)
1593 : {
1594 0 : vlib_cli_output (vm,
1595 : "Showed: %d, Filtered: %d of total %d "
1596 : "sessions of thread %d\n\n",
1597 : showed_sessions,
1598 0 : pool_elts (tsm->sessions) - showed_sessions,
1599 0 : pool_elts (tsm->sessions), i);
1600 : }
1601 : }
1602 :
1603 12 : done:
1604 12 : if (had_input)
1605 0 : unformat_free (line_input);
1606 12 : return error;
1607 : }
1608 :
1609 : static clib_error_t *
1610 0 : nat44_set_session_limit_command_fn (vlib_main_t * vm,
1611 : unformat_input_t * input,
1612 : vlib_cli_command_t * cmd)
1613 : {
1614 0 : unformat_input_t _line_input, *line_input = &_line_input;
1615 0 : clib_error_t *error = 0;
1616 :
1617 0 : u32 session_limit = 0, vrf_id = 0;
1618 :
1619 0 : if (!unformat_user (input, unformat_line_input, line_input))
1620 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
1621 :
1622 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1623 : {
1624 0 : if (unformat (line_input, "%u", &session_limit))
1625 : ;
1626 0 : else if (unformat (line_input, "vrf %u", &vrf_id))
1627 : ;
1628 : else
1629 : {
1630 0 : error = clib_error_return (0, "unknown input '%U'",
1631 : format_unformat_error, line_input);
1632 0 : goto done;
1633 : }
1634 : }
1635 :
1636 0 : if (!session_limit)
1637 0 : error = clib_error_return (0, "missing value of session limit");
1638 0 : else if (nat44_update_session_limit (session_limit, vrf_id))
1639 0 : error = clib_error_return (0, "nat44_set_session_limit failed");
1640 :
1641 0 : done:
1642 0 : unformat_free (line_input);
1643 :
1644 0 : return error;
1645 : }
1646 :
1647 : static clib_error_t *
1648 0 : nat44_del_session_command_fn (vlib_main_t * vm,
1649 : unformat_input_t * input,
1650 : vlib_cli_command_t * cmd)
1651 : {
1652 0 : snat_main_t *sm = &snat_main;
1653 0 : unformat_input_t _line_input, *line_input = &_line_input;
1654 0 : u32 port = 0, eh_port = 0, vrf_id = sm->outside_vrf_id;
1655 0 : clib_error_t *error = 0;
1656 : ip4_address_t addr, eh_addr;
1657 : ip_protocol_t proto;
1658 0 : int is_in = 0;
1659 : int rv;
1660 :
1661 0 : if (!unformat_user (input, unformat_line_input, line_input))
1662 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
1663 :
1664 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1665 : {
1666 0 : if (unformat (line_input, "%U:%u %U", unformat_ip4_address, &addr, &port,
1667 : unformat_ip_protocol, &proto))
1668 : ;
1669 0 : else if (unformat (line_input, "in"))
1670 : {
1671 0 : is_in = 1;
1672 0 : vrf_id = sm->inside_vrf_id;
1673 : }
1674 0 : else if (unformat (line_input, "out"))
1675 : {
1676 0 : is_in = 0;
1677 0 : vrf_id = sm->outside_vrf_id;
1678 : }
1679 0 : else if (unformat (line_input, "vrf %u", &vrf_id))
1680 : ;
1681 0 : else if (unformat (line_input, "external-host %U:%u",
1682 : unformat_ip4_address, &eh_addr, &eh_port))
1683 : ;
1684 : else
1685 : {
1686 0 : error = clib_error_return (0, "unknown input '%U'",
1687 : format_unformat_error, line_input);
1688 0 : goto done;
1689 : }
1690 : }
1691 :
1692 0 : rv = nat44_ed_del_session (sm, &addr, clib_host_to_net_u16 (port), &eh_addr,
1693 0 : clib_host_to_net_u16 (eh_port), proto, vrf_id,
1694 : is_in);
1695 :
1696 0 : switch (rv)
1697 : {
1698 0 : case 0:
1699 0 : break;
1700 :
1701 0 : default:
1702 0 : error = clib_error_return (0, "nat44_del_session returned %d", rv);
1703 0 : goto done;
1704 : }
1705 :
1706 0 : done:
1707 0 : unformat_free (line_input);
1708 :
1709 0 : return error;
1710 : }
1711 :
1712 : static clib_error_t *
1713 0 : snat_forwarding_set_command_fn (vlib_main_t * vm,
1714 : unformat_input_t * input,
1715 : vlib_cli_command_t * cmd)
1716 : {
1717 0 : snat_main_t *sm = &snat_main;
1718 0 : unformat_input_t _line_input, *line_input = &_line_input;
1719 0 : clib_error_t *error = 0;
1720 :
1721 0 : u8 enable_set = 0, enable = 0;
1722 :
1723 0 : if (!unformat_user (input, unformat_line_input, line_input))
1724 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
1725 :
1726 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1727 : {
1728 0 : if (!enable_set)
1729 : {
1730 0 : enable_set = 1;
1731 0 : if (unformat (line_input, "disable"))
1732 : ;
1733 0 : else if (unformat (line_input, "enable"))
1734 0 : enable = 1;
1735 : }
1736 : else
1737 : {
1738 0 : error = clib_error_return (0, "unknown input '%U'",
1739 : format_unformat_error, line_input);
1740 0 : goto done;
1741 : }
1742 : }
1743 :
1744 0 : if (!enable_set)
1745 0 : error = clib_error_return (0, "expected enable | disable");
1746 : else
1747 0 : sm->forwarding_enabled = enable;
1748 :
1749 0 : done:
1750 0 : unformat_free (line_input);
1751 0 : return error;
1752 : }
1753 :
1754 : static clib_error_t *
1755 0 : set_timeout_command_fn (vlib_main_t * vm,
1756 : unformat_input_t * input, vlib_cli_command_t * cmd)
1757 : {
1758 0 : snat_main_t *sm = &snat_main;
1759 0 : unformat_input_t _line_input, *line_input = &_line_input;
1760 0 : clib_error_t *error = 0;
1761 :
1762 0 : if (!unformat_user (input, unformat_line_input, line_input))
1763 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
1764 :
1765 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1766 : {
1767 0 : if (unformat (line_input, "udp %u", &sm->timeouts.udp));
1768 0 : else if (unformat (line_input, "tcp-established %u",
1769 : &sm->timeouts.tcp.established));
1770 0 : else if (unformat (line_input, "tcp-transitory %u",
1771 : &sm->timeouts.tcp.transitory));
1772 0 : else if (unformat (line_input, "icmp %u", &sm->timeouts.icmp));
1773 0 : else if (unformat (line_input, "reset"))
1774 0 : nat_reset_timeouts (&sm->timeouts);
1775 : else
1776 : {
1777 0 : error = clib_error_return (0, "unknown input '%U'",
1778 : format_unformat_error, line_input);
1779 0 : goto done;
1780 : }
1781 : }
1782 0 : done:
1783 0 : unformat_free (line_input);
1784 0 : return error;
1785 : }
1786 :
1787 : static clib_error_t *
1788 0 : nat_show_timeouts_command_fn (vlib_main_t * vm,
1789 : unformat_input_t * input,
1790 : vlib_cli_command_t * cmd)
1791 : {
1792 0 : snat_main_t *sm = &snat_main;
1793 :
1794 0 : vlib_cli_output (vm, "udp timeout: %dsec", sm->timeouts.udp);
1795 0 : vlib_cli_output (vm, "tcp-established timeout: %dsec",
1796 : sm->timeouts.tcp.established);
1797 0 : vlib_cli_output (vm, "tcp-transitory timeout: %dsec",
1798 : sm->timeouts.tcp.transitory);
1799 0 : vlib_cli_output (vm, "icmp timeout: %dsec", sm->timeouts.icmp);
1800 :
1801 0 : return 0;
1802 : }
1803 :
1804 : static clib_error_t *
1805 0 : set_frame_queue_nelts_command_fn (vlib_main_t *vm, unformat_input_t *input,
1806 : vlib_cli_command_t *cmd)
1807 : {
1808 0 : unformat_input_t _line_input, *line_input = &_line_input;
1809 0 : clib_error_t *error = 0;
1810 0 : u32 frame_queue_nelts = 0;
1811 :
1812 0 : if (!unformat_user (input, unformat_line_input, line_input))
1813 0 : return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT);
1814 :
1815 0 : while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1816 : {
1817 0 : if (unformat (line_input, "%u", &frame_queue_nelts))
1818 : ;
1819 : else
1820 : {
1821 0 : error = clib_error_return (0, "unknown input '%U'",
1822 : format_unformat_error, line_input);
1823 0 : goto done;
1824 : }
1825 : }
1826 0 : if (!frame_queue_nelts)
1827 : {
1828 0 : error = clib_error_return (0, "frame_queue_nelts cannot be zero");
1829 0 : goto done;
1830 : }
1831 0 : if (nat44_ed_set_frame_queue_nelts (frame_queue_nelts) != 0)
1832 : {
1833 0 : error = clib_error_return (0, "snat_set_frame_queue_nelts failed");
1834 0 : goto done;
1835 : }
1836 0 : done:
1837 0 : unformat_free (line_input);
1838 0 : return error;
1839 : }
1840 :
1841 : /*?
1842 : * @cliexpar
1843 : * @cliexstart{nat44}
1844 : * Enable nat44 plugin
1845 : * To enable nat44-ed, use:
1846 : * vpp# nat44 plugin enable
1847 : * To disable nat44-ed, use:
1848 : * vpp# nat44 plugin disable
1849 : * To set inside-vrf outside-vrf, use:
1850 : * vpp# nat44 plugin enable inside-vrf <id> outside-vrf <id>
1851 : * @cliexend
1852 : ?*/
1853 56709 : VLIB_CLI_COMMAND (nat44_ed_enable_disable_command, static) = {
1854 : .path = "nat44 plugin",
1855 : .function = nat44_ed_enable_disable_command_fn,
1856 : .short_help =
1857 : "nat44 plugin <enable [sessions <max-number>] [inside-vrf <vrf-id>] "
1858 : "[outside-vrf <vrf-id>]>|disable",
1859 : };
1860 :
1861 : /*?
1862 : * @cliexpar
1863 : * @cliexstart{set snat workers}
1864 : * Set NAT workers if 2 or more workers available, use:
1865 : * vpp# set snat workers 0-2,5
1866 : * @cliexend
1867 : ?*/
1868 56709 : VLIB_CLI_COMMAND (set_workers_command, static) = {
1869 : .path = "set nat workers",
1870 : .function = set_workers_command_fn,
1871 : .short_help = "set nat workers <workers-list>",
1872 : };
1873 :
1874 : /*?
1875 : * @cliexpar
1876 : * @cliexstart{show nat workers}
1877 : * Show NAT workers.
1878 : * vpp# show nat workers:
1879 : * 2 workers
1880 : * vpp_wk_0
1881 : * vpp_wk_1
1882 : * @cliexend
1883 : ?*/
1884 56709 : VLIB_CLI_COMMAND (nat_show_workers_command, static) = {
1885 : .path = "show nat workers",
1886 : .short_help = "show nat workers",
1887 : .function = nat_show_workers_command_fn,
1888 : };
1889 :
1890 : /*?
1891 : * @cliexpar
1892 : * @cliexstart{set nat timeout}
1893 : * Set values of timeouts for NAT sessions (in seconds), use:
1894 : * vpp# set nat timeout udp 120 tcp-established 7500 tcp-transitory 250 icmp 90
1895 : * To reset default values use:
1896 : * vpp# set nat timeout reset
1897 : * @cliexend
1898 : ?*/
1899 56709 : VLIB_CLI_COMMAND (set_timeout_command, static) = {
1900 : .path = "set nat timeout",
1901 : .function = set_timeout_command_fn,
1902 : .short_help =
1903 : "set nat timeout [udp <sec> | tcp-established <sec> "
1904 : "tcp-transitory <sec> | icmp <sec> | reset]",
1905 : };
1906 :
1907 : /*?
1908 : * @cliexpar
1909 : * @cliexstart{show nat timeouts}
1910 : * Show values of timeouts for NAT sessions.
1911 : * vpp# show nat timeouts
1912 : * udp timeout: 300sec
1913 : * tcp-established timeout: 7440sec
1914 : * tcp-transitory timeout: 240sec
1915 : * icmp timeout: 60sec
1916 : * @cliexend
1917 : ?*/
1918 56709 : VLIB_CLI_COMMAND (nat_show_timeouts_command, static) = {
1919 : .path = "show nat timeouts",
1920 : .short_help = "show nat timeouts",
1921 : .function = nat_show_timeouts_command_fn,
1922 : };
1923 :
1924 : /*?
1925 : * @cliexpar
1926 : * @cliexstart{set nat frame-queue-nelts}
1927 : * Set number of worker handoff frame queue elements.
1928 : * @cliexend
1929 : ?*/
1930 56709 : VLIB_CLI_COMMAND (set_frame_queue_nelts_command, static) = {
1931 : .path = "set nat frame-queue-nelts",
1932 : .function = set_frame_queue_nelts_command_fn,
1933 : .short_help = "set nat frame-queue-nelts <number>",
1934 : };
1935 :
1936 : /*?
1937 : * @cliexpar
1938 : * @cliexstart{nat set logging level}
1939 : * To set NAT logging level use:
1940 : * Set nat logging level
1941 : * @cliexend
1942 : ?*/
1943 56709 : VLIB_CLI_COMMAND (snat_set_log_level_command, static) = {
1944 : .path = "nat set logging level",
1945 : .function = snat_set_log_level_command_fn,
1946 : .short_help = "nat set logging level <level>",
1947 : };
1948 :
1949 : /*?
1950 : * @cliexpar
1951 : * @cliexstart{snat ipfix logging}
1952 : * To enable NAT IPFIX logging use:
1953 : * vpp# nat ipfix logging
1954 : * To set IPFIX exporter use:
1955 : * vpp# set ipfix exporter collector 10.10.10.3 src 10.10.10.1
1956 : * @cliexend
1957 : ?*/
1958 56709 : VLIB_CLI_COMMAND (snat_ipfix_logging_enable_disable_command, static) = {
1959 : .path = "nat ipfix logging",
1960 : .function = snat_ipfix_logging_enable_disable_command_fn,
1961 : .short_help = "nat ipfix logging disable|<enable [domain <domain-id>] "
1962 : "[src-port <port>]>",
1963 : };
1964 :
1965 : /*?
1966 : * @cliexpar
1967 : * @cliexstart{nat mss-clamping}
1968 : * Set TCP MSS rewriting configuration
1969 : * To enable TCP MSS rewriting use:
1970 : * vpp# nat mss-clamping 1452
1971 : * To disbale TCP MSS rewriting use:
1972 : * vpp# nat mss-clamping disable
1973 : * @cliexend
1974 : ?*/
1975 56709 : VLIB_CLI_COMMAND (nat_set_mss_clamping_command, static) = {
1976 : .path = "nat mss-clamping",
1977 : .short_help = "nat mss-clamping <mss-value>|disable",
1978 : .function = nat_set_mss_clamping_command_fn,
1979 : };
1980 :
1981 : /*?
1982 : * @cliexpar
1983 : * @cliexstart{show nat mss-clamping}
1984 : * Show TCP MSS rewriting configuration
1985 : * @cliexend
1986 : ?*/
1987 56709 : VLIB_CLI_COMMAND (nat_show_mss_clamping_command, static) = {
1988 : .path = "show nat mss-clamping",
1989 : .short_help = "show nat mss-clamping",
1990 : .function = nat_show_mss_clamping_command_fn,
1991 : };
1992 :
1993 : /*?
1994 : * @cliexpar
1995 : * @cliexstart{show nat44 hash tables}
1996 : * Show NAT44 hash tables
1997 : * @cliexend
1998 : ?*/
1999 56709 : VLIB_CLI_COMMAND (nat44_show_hash, static) = {
2000 : .path = "show nat44 hash tables",
2001 : .short_help = "show nat44 hash tables [detail|verbose]",
2002 : .function = nat44_show_hash_command_fn,
2003 : };
2004 :
2005 : /*?
2006 : * @cliexpar
2007 : * @cliexstart{nat44 add address}
2008 : * Add/delete NAT44 pool address.
2009 : * To add NAT44 pool address use:
2010 : * vpp# nat44 add address 172.16.1.3
2011 : * vpp# nat44 add address 172.16.2.2 - 172.16.2.24
2012 : * To add NAT44 pool address for specific tenant (identified by VRF id) use:
2013 : * vpp# nat44 add address 172.16.1.3 tenant-vrf 10
2014 : * @cliexend
2015 : ?*/
2016 56709 : VLIB_CLI_COMMAND (add_address_command, static) = {
2017 : .path = "nat44 add address",
2018 : .short_help = "nat44 add address <ip4-range-start> [- <ip4-range-end>] "
2019 : "[tenant-vrf <vrf-id>] [twice-nat] [del]",
2020 : .function = add_address_command_fn,
2021 : };
2022 :
2023 : /*?
2024 : * @cliexpar
2025 : * @cliexstart{show nat44 summary}
2026 : * Show NAT44 summary
2027 : * vpp# show nat44 summary
2028 : * @cliexend
2029 : ?*/
2030 56709 : VLIB_CLI_COMMAND (nat44_show_summary_command, static) = {
2031 : .path = "show nat44 summary",
2032 : .short_help = "show nat44 summary",
2033 : .function = nat44_show_summary_command_fn,
2034 : };
2035 :
2036 : /*?
2037 : * @cliexpar
2038 : * @cliexstart{show nat44 addresses}
2039 : * Show NAT44 pool addresses.
2040 : * vpp# show nat44 addresses
2041 : * NAT44 pool addresses:
2042 : * 172.16.2.2
2043 : * tenant VRF independent
2044 : * 10 busy udp ports
2045 : * 0 busy tcp ports
2046 : * 0 busy icmp ports
2047 : * 172.16.1.3
2048 : * tenant VRF: 10
2049 : * 0 busy udp ports
2050 : * 2 busy tcp ports
2051 : * 0 busy icmp ports
2052 : * NAT44 twice-nat pool addresses:
2053 : * 10.20.30.72
2054 : * tenant VRF independent
2055 : * 0 busy udp ports
2056 : * 0 busy tcp ports
2057 : * 0 busy icmp ports
2058 : * @cliexend
2059 : ?*/
2060 56709 : VLIB_CLI_COMMAND (nat44_show_addresses_command, static) = {
2061 : .path = "show nat44 addresses",
2062 : .short_help = "show nat44 addresses",
2063 : .function = nat44_show_addresses_command_fn,
2064 : };
2065 :
2066 : /*?
2067 : * @cliexpar
2068 : * @cliexstart{set interface nat44}
2069 : * Enable/disable NAT44 feature on the interface.
2070 : * To enable NAT44 feature with local network interface use:
2071 : * vpp# set interface nat44 in GigabitEthernet0/8/0
2072 : * To enable NAT44 feature with external network interface use:
2073 : * vpp# set interface nat44 out GigabitEthernet0/a/0
2074 : * @cliexend
2075 : ?*/
2076 56709 : VLIB_CLI_COMMAND (set_interface_snat_command, static) = {
2077 : .path = "set interface nat44",
2078 : .function = snat_feature_command_fn,
2079 : .short_help = "set interface nat44 in <intfc> out <intfc> [output-feature] "
2080 : "[del]",
2081 : };
2082 :
2083 : /*?
2084 : * @cliexpar
2085 : * @cliexstart{show nat44 interfaces}
2086 : * Show interfaces with NAT44 feature.
2087 : * vpp# show nat44 interfaces
2088 : * NAT44 interfaces:
2089 : * GigabitEthernet0/8/0 in
2090 : * GigabitEthernet0/a/0 out
2091 : * @cliexend
2092 : ?*/
2093 56709 : VLIB_CLI_COMMAND (nat44_show_interfaces_command, static) = {
2094 : .path = "show nat44 interfaces",
2095 : .short_help = "show nat44 interfaces",
2096 : .function = nat44_show_interfaces_command_fn,
2097 : };
2098 :
2099 : /*?
2100 : * @cliexpar
2101 : * @cliexstart{nat44 add static mapping}
2102 : * Static mapping allows hosts on the external network to initiate connection
2103 : * to to the local network host.
2104 : * To create static mapping between local host address 10.0.0.3 port 6303 and
2105 : * external address 4.4.4.4 port 3606 for TCP protocol use:
2106 : * vpp# nat44 add static mapping tcp local 10.0.0.3 6303 external 4.4.4.4 3606
2107 : * If not runnig "static mapping only" NAT plugin mode use before:
2108 : * vpp# nat44 add address 4.4.4.4
2109 : * To create address only static mapping between local and external address use:
2110 : * vpp# nat44 add static mapping local 10.0.0.3 external 4.4.4.4
2111 : * To create ICMP static mapping between local and external with ICMP echo
2112 : * identifier 10 use:
2113 : * vpp# nat44 add static mapping icmp local 10.0.0.3 10 external 4.4.4.4 10
2114 : * To force use of specific pool address, vrf independent
2115 : * vpp# nat44 add static mapping local 10.0.0.2 1234 external 10.0.2.2 1234 twice-nat exact 10.0.1.2
2116 : * @cliexend
2117 : ?*/
2118 56709 : VLIB_CLI_COMMAND (add_static_mapping_command, static) = {
2119 : .path = "nat44 add static mapping",
2120 : .function = add_static_mapping_command_fn,
2121 : .short_help =
2122 : "nat44 add static mapping tcp|udp|icmp local <addr> [<port|icmp-echo-id>] "
2123 : "external <addr> [<port|icmp-echo-id>] [vrf <table-id>] [twice-nat|self-twice-nat] "
2124 : "[out2in-only] [exact <pool-addr>] [del]",
2125 : };
2126 :
2127 : /*?
2128 : * @cliexpar
2129 : * @cliexstart{nat44 add identity mapping}
2130 : * Identity mapping translate an IP address to itself.
2131 : * To create identity mapping for address 10.0.0.3 port 6303 for TCP protocol
2132 : * use:
2133 : * vpp# nat44 add identity mapping 10.0.0.3 tcp 6303
2134 : * To create identity mapping for address 10.0.0.3 use:
2135 : * vpp# nat44 add identity mapping 10.0.0.3
2136 : * To create identity mapping for DHCP addressed interface use:
2137 : * vpp# nat44 add identity mapping external GigabitEthernet0/a/0 tcp 3606
2138 : * @cliexend
2139 : ?*/
2140 56709 : VLIB_CLI_COMMAND (add_identity_mapping_command, static) = {
2141 : .path = "nat44 add identity mapping",
2142 : .function = add_identity_mapping_command_fn,
2143 : .short_help = "nat44 add identity mapping <ip4-addr>|external <interface> "
2144 : "[<protocol> <port>] [vrf <table-id>] [del]",
2145 : };
2146 :
2147 : /*?
2148 : * @cliexpar
2149 : * @cliexstart{nat44 add load-balancing static mapping}
2150 : * Service load balancing using NAT44
2151 : * To add static mapping with load balancing for service with external IP
2152 : * address 1.2.3.4 and TCP port 80 and mapped to 2 local servers
2153 : * 10.100.10.10:8080 and 10.100.10.20:8080 with probability 80% resp. 20% use:
2154 : * vpp# nat44 add load-balancing static mapping protocol tcp external 1.2.3.4:80 local 10.100.10.10:8080 probability 80 local 10.100.10.20:8080 probability 20
2155 : * @cliexend
2156 : ?*/
2157 56709 : VLIB_CLI_COMMAND (add_lb_static_mapping_command, static) = {
2158 : .path = "nat44 add load-balancing static mapping",
2159 : .function = add_lb_static_mapping_command_fn,
2160 : .short_help =
2161 : "nat44 add load-balancing static mapping protocol tcp|udp "
2162 : "external <addr>:<port> local <addr>:<port> [vrf <table-id>] "
2163 : "probability <n> [twice-nat|self-twice-nat] [out2in-only] "
2164 : "[affinity <timeout-seconds>] [del]",
2165 : };
2166 :
2167 : /*?
2168 : * @cliexpar
2169 : * @cliexstart{nat44 add load-balancing static mapping}
2170 : * Modify service load balancing using NAT44
2171 : * To add new back-end server 10.100.10.30:8080 for service load balancing
2172 : * static mapping with external IP address 1.2.3.4 and TCP port 80 use:
2173 : * vpp# nat44 add load-balancing back-end protocol tcp external 1.2.3.4:80 local 10.100.10.30:8080 probability 25
2174 : * @cliexend
2175 : ?*/
2176 56709 : VLIB_CLI_COMMAND (add_lb_backend_command, static) = {
2177 : .path = "nat44 add load-balancing back-end",
2178 : .function = add_lb_backend_command_fn,
2179 : .short_help =
2180 : "nat44 add load-balancing back-end protocol tcp|udp "
2181 : "external <addr>:<port> local <addr>:<port> [vrf <table-id>] "
2182 : "probability <n> [del]",
2183 : };
2184 :
2185 : /*?
2186 : * @cliexpar
2187 : * @cliexstart{show nat44 static mappings}
2188 : * Show NAT44 static mappings.
2189 : * vpp# show nat44 static mappings
2190 : * NAT44 static mappings:
2191 : * local 10.0.0.3 external 4.4.4.4 vrf 0
2192 : * tcp local 192.168.0.4:6303 external 4.4.4.3:3606 vrf 0
2193 : * tcp vrf 0 external 1.2.3.4:80 out2in-only
2194 : * local 10.100.10.10:8080 probability 80
2195 : * local 10.100.10.20:8080 probability 20
2196 : * tcp local 10.100.3.8:8080 external 169.10.10.1:80 vrf 0 twice-nat
2197 : * tcp local 10.0.0.10:3603 external GigabitEthernet0/a/0:6306 vrf 10
2198 : * @cliexend
2199 : ?*/
2200 56709 : VLIB_CLI_COMMAND (nat44_show_static_mappings_command, static) = {
2201 : .path = "show nat44 static mappings",
2202 : .short_help = "show nat44 static mappings",
2203 : .function = nat44_show_static_mappings_command_fn,
2204 : };
2205 :
2206 : /*?
2207 : * @cliexpar
2208 : * @cliexstart{nat44 add interface address}
2209 : * Use NAT44 pool address from specific interfce
2210 : * To add NAT44 pool address from specific interface use:
2211 : * vpp# nat44 add interface address GigabitEthernet0/8/0
2212 : * @cliexend
2213 : ?*/
2214 56709 : VLIB_CLI_COMMAND (snat_add_interface_address_command, static) = {
2215 : .path = "nat44 add interface address",
2216 : .function = snat_add_interface_address_command_fn,
2217 : .short_help = "nat44 add interface address <interface> [twice-nat] [del]",
2218 : };
2219 :
2220 : /*?
2221 : * @cliexpar
2222 : * @cliexstart{nat44 vrf table}
2223 : * Add empty inter VRF routing table
2224 : * vpp# nat44 vrf table add 10
2225 : * @cliexend
2226 : ?*/
2227 56709 : VLIB_CLI_COMMAND (nat44_ed_add_del_vrf_table_command, static) = {
2228 : .path = "nat44 vrf table",
2229 : .short_help = "nat44 vrf table [add|del] <vrf-id>",
2230 : .function = nat44_ed_add_del_vrf_table_command_fn,
2231 : };
2232 :
2233 : /*?
2234 : * @cliexpar
2235 : * @cliexstart{nat44 vrf route}
2236 : * Add inter VRF route record to VRF routing table
2237 : * vpp# nat44 vrf route add table 10 20
2238 : * @cliexend
2239 : ?*/
2240 56709 : VLIB_CLI_COMMAND (nat44_ed_add_del_vrf_route_command, static) = {
2241 : .path = "nat44 vrf route",
2242 : .short_help = "nat44 vrf route [add|del] table <vrf-id> <vrf-id>",
2243 : .function = nat44_ed_add_del_vrf_route_command_fn,
2244 : };
2245 :
2246 : /*?
2247 : * @cliexpar
2248 : * @cliexstart{show nat44 vrf tables}
2249 : * Show inter VRF route tables
2250 : * vpp# show nat44 vrf tables
2251 : * @cliexend
2252 : ?*/
2253 56709 : VLIB_CLI_COMMAND (nat44_ed_show_vrf_tables_command, static) = {
2254 : .path = "show nat44 vrf tables",
2255 : .short_help = "show nat44 vrf tables",
2256 : .function = nat44_ed_show_vrf_tables_command_fn,
2257 : };
2258 :
2259 : /*?
2260 : * @cliexpar
2261 : * @cliexstart{show nat44 interface address}
2262 : * Show NAT44 pool address interfaces
2263 : * vpp# show nat44 interface address
2264 : * NAT44 pool address interfaces:
2265 : * GigabitEthernet0/a/0
2266 : * NAT44 twice-nat pool address interfaces:
2267 : * GigabitEthernet0/8/0
2268 : * @cliexend
2269 : ?*/
2270 56709 : VLIB_CLI_COMMAND (nat44_show_interface_address_command, static) = {
2271 : .path = "show nat44 interface address",
2272 : .short_help = "show nat44 interface address",
2273 : .function = nat44_show_interface_address_command_fn,
2274 : };
2275 :
2276 : /*?
2277 : * @cliexpar
2278 : * @cliexstart{show nat44 sessions}
2279 : * Show NAT44 sessions.
2280 : * @cliexend
2281 : ?*/
2282 56709 : VLIB_CLI_COMMAND (nat44_show_sessions_command, static) = {
2283 : .path = "show nat44 sessions",
2284 : .short_help = "show nat44 sessions [filter {i2o | o2i} {saddr <ip4-addr> "
2285 : "| sport <n> | daddr <ip4-addr> | dport <n> | proto <proto>} "
2286 : "[filter .. [..]]]",
2287 : .function = nat44_show_sessions_command_fn,
2288 : };
2289 :
2290 : /*?
2291 : * @cliexpar
2292 : * @cliexstart{set nat44 session limit}
2293 : * Set NAT44 session limit.
2294 : * @cliexend
2295 : ?*/
2296 56709 : VLIB_CLI_COMMAND (nat44_set_session_limit_command, static) = {
2297 : .path = "set nat44 session limit",
2298 : .short_help = "set nat44 session limit <limit> [vrf <table-id>]",
2299 : .function = nat44_set_session_limit_command_fn,
2300 : };
2301 :
2302 : /*?
2303 : * @cliexpar
2304 : * @cliexstart{nat44 del session}
2305 : * To administratively delete NAT44 session by inside address and port use:
2306 : * vpp# nat44 del session in 10.0.0.3:6303 tcp
2307 : * To administratively delete NAT44 session by outside address and port use:
2308 : * vpp# nat44 del session out 1.0.0.3:6033 udp
2309 : * @cliexend
2310 : ?*/
2311 56709 : VLIB_CLI_COMMAND (nat44_del_session_command, static) = {
2312 : .path = "nat44 del session",
2313 : .short_help = "nat44 del session in|out <addr>:<port> tcp|udp|icmp [vrf <id>] [external-host <addr>:<port>]",
2314 : .function = nat44_del_session_command_fn,
2315 : };
2316 :
2317 : /*?
2318 : * @cliexpar
2319 : * @cliexstart{nat44 forwarding}
2320 : * Enable or disable forwarding
2321 : * Forward packets which don't match existing translation
2322 : * or static mapping instead of dropping them.
2323 : * To enable forwarding, use:
2324 : * vpp# nat44 forwarding enable
2325 : * To disable forwarding, use:
2326 : * vpp# nat44 forwarding disable
2327 : * @cliexend
2328 : ?*/
2329 56709 : VLIB_CLI_COMMAND (snat_forwarding_set_command, static) = {
2330 : .path = "nat44 forwarding",
2331 : .short_help = "nat44 forwarding enable|disable",
2332 : .function = snat_forwarding_set_command_fn,
2333 : };
2334 :
2335 : /*
2336 : * fd.io coding-style-patch-verification: ON
2337 : *
2338 : * Local Variables:
2339 : * eval: (c-set-style "gnu")
2340 : * End:
2341 : */
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