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Vector Packet Processing
nat44_ed_cli.c
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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>
29 
30 #define NAT44_ED_EXPECTED_ARGUMENT "expected required argument(s)"
31 
32 static clib_error_t *
34  vlib_cli_command_t *cmd)
35 {
36  snat_main_t *sm = &snat_main;
37  unformat_input_t _line_input, *line_input = &_line_input;
38  clib_error_t *error = 0;
39 
40  nat44_config_t c = { 0 };
41  u8 enable_set = 0, enable = 0, mode_set = 0;
42 
43  if (!unformat_user (input, unformat_line_input, line_input))
45 
46  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
47  {
48  if (!mode_set && unformat (line_input, "static-mapping-only"))
49  {
50  mode_set = 1;
51  c.static_mapping_only = 1;
52  if (unformat (line_input, "connection-tracking"))
53  {
54  c.connection_tracking = 1;
55  }
56  }
57  else if (unformat (line_input, "inside-vrf %u", &c.inside_vrf));
58  else if (unformat (line_input, "outside-vrf %u", &c.outside_vrf));
59  else if (unformat (line_input, "sessions %u", &c.sessions));
60  else if (!enable_set)
61  {
62  enable_set = 1;
63  if (unformat (line_input, "disable"))
64  ;
65  else if (unformat (line_input, "enable"))
66  enable = 1;
67  }
68  else
69  {
70  error = clib_error_return (0, "unknown input '%U'",
71  format_unformat_error, line_input);
72  goto done;
73  }
74  }
75 
76  if (!enable_set)
77  {
78  error = clib_error_return (0, "expected enable | disable");
79  goto done;
80  }
81 
82  if (enable)
83  {
84  if (sm->enabled)
85  {
86  error = clib_error_return (0, "already enabled");
87  goto done;
88  }
89 
90  if (nat44_plugin_enable (c) != 0)
91  error = clib_error_return (0, "enable failed");
92  }
93  else
94  {
95  if (!sm->enabled)
96  {
97  error = clib_error_return (0, "already disabled");
98  goto done;
99  }
100 
101  if (nat44_plugin_disable () != 0)
102  error = clib_error_return (0, "disable failed");
103  }
104 
105 done:
106  unformat_free (line_input);
107  return error;
108 }
109 
110 static clib_error_t *
112  unformat_input_t * input, vlib_cli_command_t * cmd)
113 {
114  unformat_input_t _line_input, *line_input = &_line_input;
115  uword *bitmap = 0;
116  int rv = 0;
117  clib_error_t *error = 0;
118 
119  /* Get a line of input. */
120  if (!unformat_user (input, unformat_line_input, line_input))
122 
123  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
124  {
125  if (unformat (line_input, "%U", unformat_bitmap_list, &bitmap))
126  ;
127  else
128  {
129  error = clib_error_return (0, "unknown input '%U'",
130  format_unformat_error, line_input);
131  goto done;
132  }
133  }
134 
135  if (bitmap == 0)
136  {
137  error = clib_error_return (0, "List of workers must be specified.");
138  goto done;
139  }
140 
141  rv = snat_set_workers (bitmap);
142 
143  clib_bitmap_free (bitmap);
144 
145  switch (rv)
146  {
147  case VNET_API_ERROR_INVALID_WORKER:
148  error = clib_error_return (0, "Invalid worker(s).");
149  goto done;
150  case VNET_API_ERROR_FEATURE_DISABLED:
152  "Supported only if 2 or more workes available.");
153  goto done;
154  default:
155  break;
156  }
157 
158 done:
159  unformat_free (line_input);
160 
161  return error;
162 }
163 
164 static clib_error_t *
166  vlib_cli_command_t * cmd)
167 {
168  snat_main_t *sm = &snat_main;
169  u32 *worker;
170 
171  if (sm->num_workers > 1)
172  {
173  vlib_cli_output (vm, "%d workers", vec_len (sm->workers));
174  vec_foreach (worker, sm->workers)
175  {
177  vlib_worker_threads + *worker + sm->first_worker_index;
178  vlib_cli_output (vm, " %s", w->name);
179  }
180  }
181 
182  return 0;
183 }
184 
185 static clib_error_t *
187  unformat_input_t * input,
188  vlib_cli_command_t * cmd)
189 {
190  unformat_input_t _line_input, *line_input = &_line_input;
191  snat_main_t *sm = &snat_main;
193  clib_error_t *error = 0;
194 
195  /* Get a line of input. */
196  if (!unformat_user (input, unformat_line_input, line_input))
198 
199  if (!unformat (line_input, "%d", &log_level))
200  {
201  error = clib_error_return (0, "unknown input '%U'",
202  format_unformat_error, line_input);
203  goto done;
204  }
205  if (log_level > NAT_LOG_DEBUG)
206  {
207  error = clib_error_return (0, "unknown logging level '%d'", log_level);
208  goto done;
209  }
210  sm->log_level = log_level;
211 
212 done:
213  unformat_free (line_input);
214 
215  return error;
216 }
217 
218 static clib_error_t *
220  unformat_input_t * input,
221  vlib_cli_command_t * cmd)
222 {
223  unformat_input_t _line_input, *line_input = &_line_input;
224  clib_error_t *error = 0;
225 
226  u32 domain_id = 0, src_port = 0;
227  u8 enable_set = 0, enable = 0;
228 
229  if (!unformat_user (input, unformat_line_input, line_input))
231 
232  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
233  {
234  if (unformat (line_input, "domain %d", &domain_id))
235  ;
236  else if (unformat (line_input, "src-port %d", &src_port))
237  ;
238  else if (!enable_set)
239  {
240  enable_set = 1;
241  if (unformat (line_input, "disable"))
242  ;
243  else if (unformat (line_input, "enable"))
244  enable = 1;
245  }
246  else
247  {
248  error = clib_error_return (0, "unknown input '%U'",
249  format_unformat_error, line_input);
250  goto done;
251  }
252  }
253 
254  if (!enable_set)
255  {
256  error = clib_error_return (0, "expected enable | disable");
257  goto done;
258  }
259 
260  if (nat_ipfix_logging_enable_disable (enable, domain_id, (u16) src_port))
261  {
262  error = clib_error_return (0, "ipfix logging enable failed");
263  goto done;
264  }
265 
266 done:
267  unformat_free (line_input);
268 
269  return error;
270 }
271 
272 static clib_error_t *
274  vlib_cli_command_t * cmd)
275 {
276  snat_main_t *sm = &snat_main;
278  int i;
279  int verbose = 0;
280 
281  if (unformat (input, "detail"))
282  verbose = 1;
283  else if (unformat (input, "verbose"))
284  verbose = 2;
285 
286  vlib_cli_output (vm, "%U", format_bihash_8_8, &sm->static_mapping_by_local,
287  verbose);
288  vlib_cli_output (vm, "%U",
289  format_bihash_8_8, &sm->static_mapping_by_external,
290  verbose);
291  vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->flow_hash, verbose);
293  {
294  vlib_cli_output (vm, "-------- thread %d %s --------\n",
296  vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->flow_hash, verbose);
297  }
298 
299  vlib_cli_output (vm, "%U", format_bihash_16_8, &nam->affinity_hash,
300  verbose);
301 
302  vlib_cli_output (vm, "-------- hash table parameters --------\n");
303  vlib_cli_output (vm, "translation buckets: %u", sm->translation_buckets);
304  return 0;
305 }
306 
307 static clib_error_t *
309  vlib_cli_command_t * cmd)
310 {
311  unformat_input_t _line_input, *line_input = &_line_input;
312  snat_main_t *sm = &snat_main;
313  clib_error_t *error = 0;
314  u32 mss;
315 
316  /* Get a line of input. */
317  if (!unformat_user (input, unformat_line_input, line_input))
319 
320  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
321  {
322  if (unformat (line_input, "disable"))
323  sm->mss_clamping = 0;
324  else if (unformat (line_input, "%d", &mss))
325  sm->mss_clamping = (u16) mss;
326  else
327  {
328  error = clib_error_return (0, "unknown input '%U'",
329  format_unformat_error, line_input);
330  goto done;
331  }
332  }
333 
334 done:
335  unformat_free (line_input);
336 
337  return error;
338 }
339 
340 static clib_error_t *
342  vlib_cli_command_t * cmd)
343 {
344  snat_main_t *sm = &snat_main;
345 
346  if (sm->mss_clamping)
347  vlib_cli_output (vm, "mss-clamping %d", sm->mss_clamping);
348  else
349  vlib_cli_output (vm, "mss-clamping disabled");
350 
351  return 0;
352 }
353 
354 static clib_error_t *
356  unformat_input_t * input, vlib_cli_command_t * cmd)
357 {
358  unformat_input_t _line_input, *line_input = &_line_input;
359  snat_main_t *sm = &snat_main;
360  ip4_address_t start_addr, end_addr, this_addr;
361  u32 start_host_order, end_host_order;
362  u32 vrf_id = ~0;
363  int i, count;
364  int is_add = 1;
365  int rv = 0;
366  clib_error_t *error = 0;
367  u8 twice_nat = 0;
368 
369  /* Get a line of input. */
370  if (!unformat_user (input, unformat_line_input, line_input))
372 
373  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
374  {
375  if (unformat (line_input, "%U - %U",
378  ;
379  else if (unformat (line_input, "tenant-vrf %u", &vrf_id))
380  ;
381  else if (unformat (line_input, "%U", unformat_ip4_address, &start_addr))
383  else if (unformat (line_input, "twice-nat"))
384  twice_nat = 1;
385  else if (unformat (line_input, "del"))
386  is_add = 0;
387  else
388  {
389  error = clib_error_return (0, "unknown input '%U'",
390  format_unformat_error, line_input);
391  goto done;
392  }
393  }
394 
395  if (sm->static_mapping_only)
396  {
397  error = clib_error_return (0, "static mapping only mode");
398  goto done;
399  }
400 
401  start_host_order = clib_host_to_net_u32 (start_addr.as_u32);
402  end_host_order = clib_host_to_net_u32 (end_addr.as_u32);
403 
404  if (end_host_order < start_host_order)
405  {
406  error = clib_error_return (0, "end address less than start address");
407  goto done;
408  }
409 
410  count = (end_host_order - start_host_order) + 1;
411 
412  if (count > 1024)
413  nat_log_info ("%U - %U, %d addresses...",
416 
417  this_addr = start_addr;
418 
419  for (i = 0; i < count; i++)
420  {
421  if (is_add)
422  rv = snat_add_address (sm, &this_addr, vrf_id, twice_nat);
423  else
424  rv = snat_del_address (sm, this_addr, 0, twice_nat);
425 
426  switch (rv)
427  {
428  case VNET_API_ERROR_VALUE_EXIST:
429  error = clib_error_return (0, "NAT address already in use.");
430  goto done;
431  case VNET_API_ERROR_NO_SUCH_ENTRY:
432  error = clib_error_return (0, "NAT address not exist.");
433  goto done;
434  case VNET_API_ERROR_UNSPECIFIED:
435  error =
436  clib_error_return (0, "NAT address used in static mapping.");
437  goto done;
438  default:
439  break;
440  }
441 
442  increment_v4_address (&this_addr);
443  }
444 
445 done:
446  unformat_free (line_input);
447 
448  return error;
449 }
450 
451 static void
453  u64 now, u64 sess_timeout_time)
454 {
455  snat_main_t *sm = &snat_main;
456  dlist_elt_t *oldest_elt;
457  snat_session_t *s;
458  u32 oldest_index;
459 
460  if (tsm->lru_pool)
461  {
462 #define _(n, d) \
463  oldest_index = \
464  clib_dlist_remove_head (tsm->lru_pool, tsm->n##_lru_head_index); \
465  if (~0 != oldest_index) \
466  { \
467  oldest_elt = pool_elt_at_index (tsm->lru_pool, oldest_index); \
468  s = pool_elt_at_index (tsm->sessions, oldest_elt->value); \
469  sess_timeout_time = \
470  s->last_heard + (f64) nat44_session_get_timeout (sm, s); \
471  vlib_cli_output (vm, d " LRU min session timeout %llu (now %llu)", \
472  sess_timeout_time, now); \
473  clib_dlist_addhead (tsm->lru_pool, tsm->n##_lru_head_index, \
474  oldest_index); \
475  }
476  _ (tcp_estab, "established tcp");
477  _ (tcp_trans, "transitory tcp");
478  _ (udp, "udp");
479  _ (unk_proto, "unknown protocol");
480  _ (icmp, "icmp");
481 #undef _
482  }
483 }
484 
485 static clib_error_t *
487  vlib_cli_command_t * cmd)
488 {
490  snat_main_t *sm = &snat_main;
491  snat_session_t *s;
492 
493  u32 count = 0;
494 
495  u64 now = vlib_time_now (vm);
496  u64 sess_timeout_time = 0;
497 
498  u32 udp_sessions = 0;
499  u32 tcp_sessions = 0;
500  u32 icmp_sessions = 0;
501 
502  u32 timed_out = 0;
503  u32 transitory = 0;
504  u32 transitory_wait_closed = 0;
505  u32 transitory_closed = 0;
506  u32 established = 0;
507 
508  u32 fib;
509 
510  for (fib = 0; fib < vec_len (sm->max_translations_per_fib); fib++)
511  vlib_cli_output (vm, "max translations per thread: %u fib %u",
512  sm->max_translations_per_fib[fib], fib);
513 
514  if (sm->num_workers > 1)
515  {
516  vec_foreach (tsm, sm->per_thread_data)
517  {
518  pool_foreach (s, tsm->sessions)
519  {
520  sess_timeout_time = s->last_heard +
521  (f64) nat44_session_get_timeout (sm, s);
522  if (now >= sess_timeout_time)
523  timed_out++;
524 
525  switch (s->nat_proto)
526  {
527  case NAT_PROTOCOL_ICMP:
528  icmp_sessions++;
529  break;
530  case NAT_PROTOCOL_TCP:
531  tcp_sessions++;
532  if (s->state)
533  {
534  if (s->tcp_closed_timestamp)
535  {
536  if (now >= s->tcp_closed_timestamp)
537  {
538  ++transitory_closed;
539  }
540  else
541  {
542  ++transitory_wait_closed;
543  }
544  }
545  transitory++;
546  }
547  else
548  established++;
549  break;
550  case NAT_PROTOCOL_UDP:
551  default:
552  udp_sessions++;
553  break;
554  }
555  }
556  nat44_show_lru_summary (vm, tsm, now, sess_timeout_time);
557  count += pool_elts (tsm->sessions);
558  }
559  }
560  else
561  {
563  pool_foreach (s, tsm->sessions)
564  {
565  sess_timeout_time = s->last_heard +
566  (f64) nat44_session_get_timeout (sm, s);
567  if (now >= sess_timeout_time)
568  timed_out++;
569 
570  switch (s->nat_proto)
571  {
572  case NAT_PROTOCOL_ICMP:
573  icmp_sessions++;
574  break;
575  case NAT_PROTOCOL_TCP:
576  tcp_sessions++;
577  if (s->state)
578  {
579  if (s->tcp_closed_timestamp)
580  {
581  if (now >= s->tcp_closed_timestamp)
582  {
583  ++transitory_closed;
584  }
585  else
586  {
587  ++transitory_wait_closed;
588  }
589  }
590  transitory++;
591  }
592  else
593  established++;
594  break;
595  case NAT_PROTOCOL_UDP:
596  default:
597  udp_sessions++;
598  break;
599  }
600  }
601  nat44_show_lru_summary (vm, tsm, now, sess_timeout_time);
602  count = pool_elts (tsm->sessions);
603  }
604 
605  vlib_cli_output (vm, "total timed out sessions: %u", timed_out);
606  vlib_cli_output (vm, "total sessions: %u", count);
607  vlib_cli_output (vm, "total tcp sessions: %u", tcp_sessions);
608  vlib_cli_output (vm, "total tcp established sessions: %u", established);
609  vlib_cli_output (vm, "total tcp transitory sessions: %u", transitory);
610  vlib_cli_output (vm, "total tcp transitory (WAIT-CLOSED) sessions: %u",
611  transitory_wait_closed);
612  vlib_cli_output (vm, "total tcp transitory (CLOSED) sessions: %u",
613  transitory_closed);
614  vlib_cli_output (vm, "total udp sessions: %u", udp_sessions);
615  vlib_cli_output (vm, "total icmp sessions: %u", icmp_sessions);
616  return 0;
617 }
618 
619 static clib_error_t *
621  vlib_cli_command_t * cmd)
622 {
623  snat_main_t *sm = &snat_main;
624  snat_address_t *ap;
625 
626  vlib_cli_output (vm, "NAT44 pool addresses:");
627  vec_foreach (ap, sm->addresses)
628  {
629  vlib_cli_output (vm, "%U", format_ip4_address, &ap->addr);
630  if (ap->fib_index != ~0)
631  vlib_cli_output (vm, " tenant VRF: %u",
633  else
634  vlib_cli_output (vm, " tenant VRF independent");
635  #define _(N, i, n, s) \
636  vlib_cli_output (vm, " %d busy %s ports", ap->busy_##n##_ports, s);
638  #undef _
639  }
640  vlib_cli_output (vm, "NAT44 twice-nat pool addresses:");
642  {
643  vlib_cli_output (vm, "%U", format_ip4_address, &ap->addr);
644  if (ap->fib_index != ~0)
645  vlib_cli_output (vm, " tenant VRF: %u",
647  else
648  vlib_cli_output (vm, " tenant VRF independent");
649  #define _(N, i, n, s) \
650  vlib_cli_output (vm, " %d busy %s ports", ap->busy_##n##_ports, s);
652  #undef _
653  }
654  return 0;
655 }
656 
657 static clib_error_t *
659  unformat_input_t * input, vlib_cli_command_t * cmd)
660 {
661  unformat_input_t _line_input, *line_input = &_line_input;
662  vnet_main_t *vnm = vnet_get_main ();
663  clib_error_t *error = 0;
665  u32 *inside_sw_if_indices = 0;
666  u32 *outside_sw_if_indices = 0;
667  u8 is_output_feature = 0;
668  int is_del = 0;
669  int i;
670 
671  sw_if_index = ~0;
672 
673  /* Get a line of input. */
674  if (!unformat_user (input, unformat_line_input, line_input))
676 
677  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
678  {
679  if (unformat (line_input, "in %U", unformat_vnet_sw_interface,
680  vnm, &sw_if_index))
681  vec_add1 (inside_sw_if_indices, sw_if_index);
682  else if (unformat (line_input, "out %U", unformat_vnet_sw_interface,
683  vnm, &sw_if_index))
684  vec_add1 (outside_sw_if_indices, sw_if_index);
685  else if (unformat (line_input, "output-feature"))
686  is_output_feature = 1;
687  else if (unformat (line_input, "del"))
688  is_del = 1;
689  else
690  {
691  error = clib_error_return (0, "unknown input '%U'",
692  format_unformat_error, line_input);
693  goto done;
694  }
695  }
696 
697  if (vec_len (inside_sw_if_indices))
698  {
699  for (i = 0; i < vec_len (inside_sw_if_indices); i++)
700  {
701  sw_if_index = inside_sw_if_indices[i];
702  if (is_output_feature)
703  {
705  (sw_if_index, 1, is_del))
706  {
707  error = clib_error_return (0, "%s %U failed",
708  is_del ? "del" : "add",
710  vnm, sw_if_index);
711  goto done;
712  }
713  }
714  else
715  {
716  if (snat_interface_add_del (sw_if_index, 1, is_del))
717  {
718  error = clib_error_return (0, "%s %U failed",
719  is_del ? "del" : "add",
721  vnm, sw_if_index);
722  goto done;
723  }
724  }
725  }
726  }
727 
728  if (vec_len (outside_sw_if_indices))
729  {
730  for (i = 0; i < vec_len (outside_sw_if_indices); i++)
731  {
732  sw_if_index = outside_sw_if_indices[i];
733  if (is_output_feature)
734  {
736  (sw_if_index, 0, is_del))
737  {
738  error = clib_error_return (0, "%s %U failed",
739  is_del ? "del" : "add",
741  vnm, sw_if_index);
742  goto done;
743  }
744  }
745  else
746  {
747  if (snat_interface_add_del (sw_if_index, 0, is_del))
748  {
749  error = clib_error_return (0, "%s %U failed",
750  is_del ? "del" : "add",
752  vnm, sw_if_index);
753  goto done;
754  }
755  }
756  }
757  }
758 
759 done:
760  unformat_free (line_input);
761  vec_free (inside_sw_if_indices);
762  vec_free (outside_sw_if_indices);
763 
764  return error;
765 }
766 
767 static clib_error_t *
769  vlib_cli_command_t * cmd)
770 {
771  snat_main_t *sm = &snat_main;
773  vnet_main_t *vnm = vnet_get_main ();
774 
775  vlib_cli_output (vm, "NAT44 interfaces:");
776  pool_foreach (i, sm->interfaces)
777  {
779  i->sw_if_index,
781  nat_interface_is_outside(i)) ? "in out" :
782  (nat_interface_is_inside(i) ? "in" : "out"));
783  }
784 
786  {
787  vlib_cli_output (vm, " %U output-feature %s",
789  i->sw_if_index,
791  nat_interface_is_outside(i)) ? "in out" :
792  (nat_interface_is_inside(i) ? "in" : "out"));
793  }
794 
795  return 0;
796 }
797 
798 static clib_error_t *
800  unformat_input_t * input,
801  vlib_cli_command_t * cmd)
802 {
803  unformat_input_t _line_input, *line_input = &_line_input;
804  clib_error_t *error = 0;
805  ip4_address_t l_addr, e_addr, exact_addr;
806  u32 l_port = 0, e_port = 0, vrf_id = ~0;
807  int is_add = 1, addr_only = 1, rv, exact = 0;
808  u32 sw_if_index = ~0;
809  vnet_main_t *vnm = vnet_get_main ();
810  nat_protocol_t proto = NAT_PROTOCOL_OTHER;
811  u8 proto_set = 0;
813  u8 out2in_only = 0;
814 
815  /* Get a line of input. */
816  if (!unformat_user (input, unformat_line_input, line_input))
818 
819  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
820  {
821  if (unformat (line_input, "local %U %u", unformat_ip4_address, &l_addr,
822  &l_port))
823  addr_only = 0;
824  else
825  if (unformat (line_input, "local %U", unformat_ip4_address, &l_addr))
826  ;
827  else if (unformat (line_input, "external %U %u", unformat_ip4_address,
828  &e_addr, &e_port))
829  addr_only = 0;
830  else if (unformat (line_input, "external %U", unformat_ip4_address,
831  &e_addr))
832  ;
833  else if (unformat (line_input, "external %U %u",
835  &e_port))
836  addr_only = 0;
837  else if (unformat (line_input, "external %U",
839  ;
840  else if (unformat (line_input, "exact %U", unformat_ip4_address,
841  &exact_addr))
842  exact = 1;
843  else if (unformat (line_input, "vrf %u", &vrf_id))
844  ;
845  else if (unformat (line_input, "%U", unformat_nat_protocol, &proto))
846  proto_set = 1;
847  else if (unformat (line_input, "twice-nat"))
848  twice_nat = TWICE_NAT;
849  else if (unformat (line_input, "self-twice-nat"))
850  twice_nat = TWICE_NAT_SELF;
851  else if (unformat (line_input, "out2in-only"))
852  out2in_only = 1;
853  else if (unformat (line_input, "del"))
854  is_add = 0;
855  else
856  {
857  error = clib_error_return (0, "unknown input: '%U'",
858  format_unformat_error, line_input);
859  goto done;
860  }
861  }
862 
863  if (twice_nat && addr_only)
864  {
865  error = clib_error_return (0, "twice NAT only for 1:1 NAPT");
866  goto done;
867  }
868 
869  if (addr_only)
870  {
871  if (proto_set)
872  {
873  error =
875  "address only mapping doesn't support protocol");
876  goto done;
877  }
878  }
879  else if (!proto_set)
880  {
881  error = clib_error_return (0, "protocol is required");
882  goto done;
883  }
884 
886  l_addr, e_addr, clib_host_to_net_u16 (l_port),
887  clib_host_to_net_u16 (e_port), vrf_id, addr_only, sw_if_index, proto,
888  is_add, twice_nat, out2in_only, 0, 0, exact_addr, exact);
889 
890  switch (rv)
891  {
892  case VNET_API_ERROR_INVALID_VALUE:
893  error = clib_error_return (0, "External port already in use.");
894  goto done;
895  case VNET_API_ERROR_NO_SUCH_ENTRY:
896  if (is_add)
897  error = clib_error_return (0, "External address must be allocated.");
898  else
899  error = clib_error_return (0, "Mapping not exist.");
900  goto done;
901  case VNET_API_ERROR_NO_SUCH_FIB:
902  error = clib_error_return (0, "No such VRF id.");
903  goto done;
904  case VNET_API_ERROR_VALUE_EXIST:
905  error = clib_error_return (0, "Mapping already exist.");
906  goto done;
907  default:
908  break;
909  }
910 
911 done:
912  unformat_free (line_input);
913 
914  return error;
915 }
916 
917 static clib_error_t *
919  unformat_input_t * input,
920  vlib_cli_command_t * cmd)
921 {
922  unformat_input_t _line_input, *line_input = &_line_input;
923  clib_error_t *error = 0;
924  ip4_address_t addr, pool_addr = { 0 };
925  u32 port = 0, vrf_id = ~0;
926  int is_add = 1;
927  int addr_only = 1;
928  u32 sw_if_index = ~0;
929  vnet_main_t *vnm = vnet_get_main ();
930  int rv;
932 
933  addr.as_u32 = 0;
934 
935  /* Get a line of input. */
936  if (!unformat_user (input, unformat_line_input, line_input))
938 
939  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
940  {
941  if (unformat (line_input, "%U", unformat_ip4_address, &addr))
942  ;
943  else if (unformat (line_input, "external %U",
945  ;
946  else if (unformat (line_input, "vrf %u", &vrf_id))
947  ;
948  else if (unformat (line_input, "%U %u", unformat_nat_protocol, &proto,
949  &port))
950  addr_only = 0;
951  else if (unformat (line_input, "del"))
952  is_add = 0;
953  else
954  {
955  error = clib_error_return (0, "unknown input: '%U'",
956  format_unformat_error, line_input);
957  goto done;
958  }
959  }
960 
962  addr, addr, clib_host_to_net_u16 (port), clib_host_to_net_u16 (port),
963  vrf_id, addr_only, sw_if_index, proto, is_add, 0, 0, 0, 1, pool_addr, 0);
964 
965  switch (rv)
966  {
967  case VNET_API_ERROR_INVALID_VALUE:
968  error = clib_error_return (0, "External port already in use.");
969  goto done;
970  case VNET_API_ERROR_NO_SUCH_ENTRY:
971  if (is_add)
972  error = clib_error_return (0, "External address must be allocated.");
973  else
974  error = clib_error_return (0, "Mapping not exist.");
975  goto done;
976  case VNET_API_ERROR_NO_SUCH_FIB:
977  error = clib_error_return (0, "No such VRF id.");
978  goto done;
979  case VNET_API_ERROR_VALUE_EXIST:
980  error = clib_error_return (0, "Mapping already exist.");
981  goto done;
982  default:
983  break;
984  }
985 
986 done:
987  unformat_free (line_input);
988 
989  return error;
990 }
991 
992 static clib_error_t *
994  unformat_input_t * input,
995  vlib_cli_command_t * cmd)
996 {
997  unformat_input_t _line_input, *line_input = &_line_input;
998  clib_error_t *error = 0;
999  ip4_address_t l_addr, e_addr;
1000  u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0, affinity = 0;
1001  int is_add = 1;
1002  int rv;
1004  u8 proto_set = 0;
1005  nat44_lb_addr_port_t *locals = 0, local;
1007  u8 out2in_only = 0;
1008 
1009  /* Get a line of input. */
1010  if (!unformat_user (input, unformat_line_input, line_input))
1012 
1013  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1014  {
1015  if (unformat (line_input, "local %U:%u probability %u",
1016  unformat_ip4_address, &l_addr, &l_port, &probability))
1017  {
1018  clib_memset (&local, 0, sizeof (local));
1019  local.addr = l_addr;
1020  local.port = (u16) l_port;
1021  local.probability = (u8) probability;
1022  vec_add1 (locals, local);
1023  }
1024  else if (unformat (line_input, "local %U:%u vrf %u probability %u",
1025  unformat_ip4_address, &l_addr, &l_port, &vrf_id,
1026  &probability))
1027  {
1028  clib_memset (&local, 0, sizeof (local));
1029  local.addr = l_addr;
1030  local.port = (u16) l_port;
1031  local.probability = (u8) probability;
1032  local.vrf_id = vrf_id;
1033  vec_add1 (locals, local);
1034  }
1035  else if (unformat (line_input, "external %U:%u", unformat_ip4_address,
1036  &e_addr, &e_port))
1037  ;
1038  else if (unformat (line_input, "protocol %U", unformat_nat_protocol,
1039  &proto))
1040  proto_set = 1;
1041  else if (unformat (line_input, "twice-nat"))
1042  twice_nat = TWICE_NAT;
1043  else if (unformat (line_input, "self-twice-nat"))
1044  twice_nat = TWICE_NAT_SELF;
1045  else if (unformat (line_input, "out2in-only"))
1046  out2in_only = 1;
1047  else if (unformat (line_input, "del"))
1048  is_add = 0;
1049  else if (unformat (line_input, "affinity %u", &affinity))
1050  ;
1051  else
1052  {
1053  error = clib_error_return (0, "unknown input: '%U'",
1054  format_unformat_error, line_input);
1055  goto done;
1056  }
1057  }
1058 
1059  if (vec_len (locals) < 2)
1060  {
1061  error = clib_error_return (0, "at least two local must be set");
1062  goto done;
1063  }
1064 
1065  if (!proto_set)
1066  {
1067  error = clib_error_return (0, "missing protocol");
1068  goto done;
1069  }
1070 
1071  rv = nat44_add_del_lb_static_mapping (e_addr, (u16) e_port, proto, locals,
1072  is_add, twice_nat, out2in_only, 0,
1073  affinity);
1074 
1075  switch (rv)
1076  {
1077  case VNET_API_ERROR_INVALID_VALUE:
1078  error = clib_error_return (0, "External port already in use.");
1079  goto done;
1080  case VNET_API_ERROR_NO_SUCH_ENTRY:
1081  if (is_add)
1082  error = clib_error_return (0, "External address must be allocated.");
1083  else
1084  error = clib_error_return (0, "Mapping not exist.");
1085  goto done;
1086  case VNET_API_ERROR_VALUE_EXIST:
1087  error = clib_error_return (0, "Mapping already exist.");
1088  goto done;
1089  default:
1090  break;
1091  }
1092 
1093 done:
1094  unformat_free (line_input);
1095  vec_free (locals);
1096 
1097  return error;
1098 }
1099 
1100 static clib_error_t *
1102  unformat_input_t * input, vlib_cli_command_t * cmd)
1103 {
1104  unformat_input_t _line_input, *line_input = &_line_input;
1105  clib_error_t *error = 0;
1106  ip4_address_t l_addr, e_addr;
1107  u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0;
1108  int is_add = 1;
1109  int rv;
1111  u8 proto_set = 0;
1112 
1113  /* Get a line of input. */
1114  if (!unformat_user (input, unformat_line_input, line_input))
1116 
1117  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1118  {
1119  if (unformat (line_input, "local %U:%u probability %u",
1120  unformat_ip4_address, &l_addr, &l_port, &probability))
1121  ;
1122  else if (unformat (line_input, "local %U:%u vrf %u probability %u",
1123  unformat_ip4_address, &l_addr, &l_port, &vrf_id,
1124  &probability))
1125  ;
1126  else if (unformat (line_input, "external %U:%u", unformat_ip4_address,
1127  &e_addr, &e_port))
1128  ;
1129  else if (unformat (line_input, "protocol %U", unformat_nat_protocol,
1130  &proto))
1131  proto_set = 1;
1132  else if (unformat (line_input, "del"))
1133  is_add = 0;
1134  else
1135  {
1136  error = clib_error_return (0, "unknown input: '%U'",
1137  format_unformat_error, line_input);
1138  goto done;
1139  }
1140  }
1141 
1142  if (!l_port || !e_port)
1143  {
1144  error = clib_error_return (0, "local or external must be set");
1145  goto done;
1146  }
1147 
1148  if (!proto_set)
1149  {
1150  error = clib_error_return (0, "missing protocol");
1151  goto done;
1152  }
1153 
1154  rv =
1155  nat44_lb_static_mapping_add_del_local (e_addr, (u16) e_port, l_addr,
1156  l_port, proto, vrf_id, probability,
1157  is_add);
1158 
1159  switch (rv)
1160  {
1161  case VNET_API_ERROR_INVALID_VALUE:
1162  error = clib_error_return (0, "External is not load-balancing static "
1163  "mapping.");
1164  goto done;
1165  case VNET_API_ERROR_NO_SUCH_ENTRY:
1166  error = clib_error_return (0, "Mapping or back-end not exist.");
1167  goto done;
1168  case VNET_API_ERROR_VALUE_EXIST:
1169  error = clib_error_return (0, "Back-end already exist.");
1170  goto done;
1171  case VNET_API_ERROR_UNSPECIFIED:
1172  error = clib_error_return (0, "At least two back-ends must remain");
1173  goto done;
1174  default:
1175  break;
1176  }
1177 
1178 done:
1179  unformat_free (line_input);
1180 
1181  return error;
1182 }
1183 
1184 static clib_error_t *
1186  unformat_input_t * input,
1187  vlib_cli_command_t * cmd)
1188 {
1189  snat_main_t *sm = &snat_main;
1192 
1193  vlib_cli_output (vm, "NAT44 static mappings:");
1194  pool_foreach (m, sm->static_mappings)
1195  {
1197  }
1198  vec_foreach (rp, sm->to_resolve)
1200 
1201  return 0;
1202 }
1203 
1204 static clib_error_t *
1206  unformat_input_t * input,
1207  vlib_cli_command_t * cmd)
1208 {
1209  snat_main_t *sm = &snat_main;
1210  unformat_input_t _line_input, *line_input = &_line_input;
1211  u32 sw_if_index;
1212  int rv;
1213  int is_del = 0;
1214  clib_error_t *error = 0;
1215  u8 twice_nat = 0;
1216 
1217  /* Get a line of input. */
1218  if (!unformat_user (input, unformat_line_input, line_input))
1220 
1221  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1222  {
1223  if (unformat (line_input, "%U", unformat_vnet_sw_interface,
1224  sm->vnet_main, &sw_if_index))
1225  ;
1226  else if (unformat (line_input, "twice-nat"))
1227  twice_nat = 1;
1228  else if (unformat (line_input, "del"))
1229  is_del = 1;
1230  else
1231  {
1232  error = clib_error_return (0, "unknown input '%U'",
1233  format_unformat_error, line_input);
1234  goto done;
1235  }
1236  }
1237 
1238  rv = snat_add_interface_address (sm, sw_if_index, is_del, twice_nat);
1239 
1240  switch (rv)
1241  {
1242  case 0:
1243  break;
1244 
1245  default:
1246  error = clib_error_return (0, "snat_add_interface_address returned %d",
1247  rv);
1248  goto done;
1249  }
1250 
1251 done:
1252  unformat_free (line_input);
1253 
1254  return error;
1255 }
1256 
1257 static clib_error_t *
1259  unformat_input_t * input,
1260  vlib_cli_command_t * cmd)
1261 {
1262  snat_main_t *sm = &snat_main;
1263  vnet_main_t *vnm = vnet_get_main ();
1264  u32 *sw_if_index;
1265 
1266  vlib_cli_output (vm, "NAT44 pool address interfaces:");
1268  {
1270  *sw_if_index);
1271  }
1272  vlib_cli_output (vm, "NAT44 twice-nat pool address interfaces:");
1274  {
1276  *sw_if_index);
1277  }
1278 
1279  return 0;
1280 }
1281 
1282 static clib_error_t *
1284  vlib_cli_command_t * cmd)
1285 {
1286  unformat_input_t _line_input, *line_input = &_line_input;
1287  clib_error_t *error = 0;
1289  snat_main_t *sm = &snat_main;
1290 
1291  int i = 0;
1292 
1293  if (!unformat_user (input, unformat_line_input, line_input))
1294  goto print;
1295 
1296  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1297  {
1298  error = clib_error_return (0, "unknown input '%U'",
1299  format_unformat_error, line_input);
1300  break;
1301  }
1302  unformat_free (line_input);
1303 
1304 print:
1305  vlib_cli_output (vm, "NAT44 ED sessions:");
1306 
1308  {
1309  tsm = vec_elt_at_index (sm->per_thread_data, i);
1310 
1311  vlib_cli_output (vm, "-------- thread %d %s: %d sessions --------\n",
1313  pool_elts (tsm->sessions));
1314 
1315  snat_session_t *s;
1316  pool_foreach (s, tsm->sessions)
1317  {
1318  vlib_cli_output (vm, " %U\n", format_snat_session, tsm, s);
1319  }
1320  }
1321  return error;
1322 }
1323 
1324 static clib_error_t *
1326  unformat_input_t * input,
1327  vlib_cli_command_t * cmd)
1328 {
1329  unformat_input_t _line_input, *line_input = &_line_input;
1330  clib_error_t *error = 0;
1331 
1332  u32 session_limit = 0, vrf_id = 0;
1333 
1334  if (!unformat_user (input, unformat_line_input, line_input))
1336 
1337  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1338  {
1339  if (unformat (line_input, "%u", &session_limit))
1340  ;
1341  else if (unformat (line_input, "vrf %u", &vrf_id))
1342  ;
1343  else
1344  {
1345  error = clib_error_return (0, "unknown input '%U'",
1346  format_unformat_error, line_input);
1347  goto done;
1348  }
1349  }
1350 
1351  if (!session_limit)
1352  error = clib_error_return (0, "missing value of session limit");
1353  else if (nat44_update_session_limit (session_limit, vrf_id))
1354  error = clib_error_return (0, "nat44_set_session_limit failed");
1355 
1356 done:
1357  unformat_free (line_input);
1358 
1359  return error;
1360 }
1361 
1362 static clib_error_t *
1364  unformat_input_t * input,
1365  vlib_cli_command_t * cmd)
1366 {
1367  snat_main_t *sm = &snat_main;
1368  unformat_input_t _line_input, *line_input = &_line_input;
1369  u32 port = 0, eh_port = 0, vrf_id = sm->outside_vrf_id;
1370  clib_error_t *error = 0;
1371  ip4_address_t addr, eh_addr;
1373  int is_in = 0;
1374  int rv;
1375 
1376  if (!unformat_user (input, unformat_line_input, line_input))
1378 
1379  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1380  {
1381  if (unformat
1382  (line_input, "%U:%u %U", unformat_ip4_address, &addr, &port,
1384  ;
1385  else if (unformat (line_input, "in"))
1386  {
1387  is_in = 1;
1388  vrf_id = sm->inside_vrf_id;
1389  }
1390  else if (unformat (line_input, "out"))
1391  {
1392  is_in = 0;
1393  vrf_id = sm->outside_vrf_id;
1394  }
1395  else if (unformat (line_input, "vrf %u", &vrf_id))
1396  ;
1397  else if (unformat (line_input, "external-host %U:%u",
1398  unformat_ip4_address, &eh_addr, &eh_port))
1399  ;
1400  else
1401  {
1402  error = clib_error_return (0, "unknown input '%U'",
1403  format_unformat_error, line_input);
1404  goto done;
1405  }
1406  }
1407 
1408  rv =
1409  nat44_del_ed_session (sm, &addr, clib_host_to_net_u16 (port), &eh_addr,
1410  clib_host_to_net_u16 (eh_port),
1411  nat_proto_to_ip_proto (proto), vrf_id, is_in);
1412 
1413  switch (rv)
1414  {
1415  case 0:
1416  break;
1417 
1418  default:
1419  error = clib_error_return (0, "nat44_del_session returned %d", rv);
1420  goto done;
1421  }
1422 
1423 done:
1424  unformat_free (line_input);
1425 
1426  return error;
1427 }
1428 
1429 static clib_error_t *
1431  unformat_input_t * input,
1432  vlib_cli_command_t * cmd)
1433 {
1434  snat_main_t *sm = &snat_main;
1435  unformat_input_t _line_input, *line_input = &_line_input;
1436  clib_error_t *error = 0;
1437 
1438  u8 enable_set = 0, enable = 0;
1439 
1440  if (!unformat_user (input, unformat_line_input, line_input))
1442 
1443  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1444  {
1445  if (!enable_set)
1446  {
1447  enable_set = 1;
1448  if (unformat (line_input, "disable"))
1449  ;
1450  else if (unformat (line_input, "enable"))
1451  enable = 1;
1452  }
1453  else
1454  {
1455  error = clib_error_return (0, "unknown input '%U'",
1456  format_unformat_error, line_input);
1457  goto done;
1458  }
1459  }
1460 
1461  if (!enable_set)
1462  error = clib_error_return (0, "expected enable | disable");
1463  else
1464  sm->forwarding_enabled = enable;
1465 
1466 done:
1467  unformat_free (line_input);
1468  return error;
1469 }
1470 
1471 static clib_error_t *
1473  unformat_input_t * input, vlib_cli_command_t * cmd)
1474 {
1475  snat_main_t *sm = &snat_main;
1476  unformat_input_t _line_input, *line_input = &_line_input;
1477  clib_error_t *error = 0;
1478 
1479  if (!unformat_user (input, unformat_line_input, line_input))
1481 
1482  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1483  {
1484  if (unformat (line_input, "udp %u", &sm->timeouts.udp));
1485  else if (unformat (line_input, "tcp-established %u",
1486  &sm->timeouts.tcp.established));
1487  else if (unformat (line_input, "tcp-transitory %u",
1488  &sm->timeouts.tcp.transitory));
1489  else if (unformat (line_input, "icmp %u", &sm->timeouts.icmp));
1490  else if (unformat (line_input, "reset"))
1492  else
1493  {
1494  error = clib_error_return (0, "unknown input '%U'",
1495  format_unformat_error, line_input);
1496  goto done;
1497  }
1498  }
1499 done:
1500  unformat_free (line_input);
1501  return error;
1502 }
1503 
1504 static clib_error_t *
1506  unformat_input_t * input,
1507  vlib_cli_command_t * cmd)
1508 {
1509  snat_main_t *sm = &snat_main;
1510 
1511  vlib_cli_output (vm, "udp timeout: %dsec", sm->timeouts.udp);
1512  vlib_cli_output (vm, "tcp-established timeout: %dsec",
1513  sm->timeouts.tcp.established);
1514  vlib_cli_output (vm, "tcp-transitory timeout: %dsec",
1515  sm->timeouts.tcp.transitory);
1516  vlib_cli_output (vm, "icmp timeout: %dsec", sm->timeouts.icmp);
1517 
1518  return 0;
1519 }
1520 
1521 static clib_error_t *
1523  vlib_cli_command_t *cmd)
1524 {
1525  unformat_input_t _line_input, *line_input = &_line_input;
1526  clib_error_t *error = 0;
1527  u32 frame_queue_nelts = 0;
1528 
1529  if (!unformat_user (input, unformat_line_input, line_input))
1531 
1532  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1533  {
1534  if (unformat (line_input, "%u", &frame_queue_nelts))
1535  ;
1536  else
1537  {
1538  error = clib_error_return (0, "unknown input '%U'",
1539  format_unformat_error, line_input);
1540  goto done;
1541  }
1542  }
1543  if (!frame_queue_nelts)
1544  {
1545  error = clib_error_return (0, "frame_queue_nelts cannot be zero");
1546  goto done;
1547  }
1548  if (nat44_ed_set_frame_queue_nelts (frame_queue_nelts) != 0)
1549  {
1550  error = clib_error_return (0, "snat_set_frame_queue_nelts failed");
1551  goto done;
1552  }
1553 done:
1554  unformat_free (line_input);
1555  return error;
1556 }
1557 
1558 /*?
1559  * @cliexpar
1560  * @cliexstart{nat44}
1561  * Enable nat44 plugin
1562  * To enable nat44-ed, use:
1563  * vpp# nat44 enable
1564  * To disable nat44-ed, use:
1565  * vpp# nat44 disable
1566  * To enable nat44-ed static mapping with connection tracking, use:
1567  * vpp# nat44-ed enable static-mapping connection-tracking
1568  * To set inside-vrf outside-vrf, use:
1569  * vpp# nat44 enable inside-vrf <id> outside-vrf <id>
1570  * @cliexend
1571 ?*/
1573  .path = "nat44",
1574  .short_help = "nat44 <enable [sessions <max-number>] [static-mapping-only "
1575  "connection-tracking] [inside-vrf <vrf-id>] "
1576  "[outside-vrf <vrf-id>]>|disable",
1578 };
1579 
1580 /*?
1581  * @cliexpar
1582  * @cliexstart{set snat workers}
1583  * Set NAT workers if 2 or more workers available, use:
1584  * vpp# set snat workers 0-2,5
1585  * @cliexend
1586 ?*/
1588  .path = "set nat workers",
1589  .function = set_workers_command_fn,
1590  .short_help = "set nat workers <workers-list>",
1591 };
1592 
1593 /*?
1594  * @cliexpar
1595  * @cliexstart{show nat workers}
1596  * Show NAT workers.
1597  * vpp# show nat workers:
1598  * 2 workers
1599  * vpp_wk_0
1600  * vpp_wk_1
1601  * @cliexend
1602 ?*/
1604  .path = "show nat workers",
1605  .short_help = "show nat workers",
1606  .function = nat_show_workers_commnad_fn,
1607 };
1608 
1609 /*?
1610  * @cliexpar
1611  * @cliexstart{set nat timeout}
1612  * Set values of timeouts for NAT sessions (in seconds), use:
1613  * vpp# set nat timeout udp 120 tcp-established 7500 tcp-transitory 250 icmp 90
1614  * To reset default values use:
1615  * vpp# set nat timeout reset
1616  * @cliexend
1617 ?*/
1619  .path = "set nat timeout",
1620  .function = set_timeout_command_fn,
1621  .short_help =
1622  "set nat timeout [udp <sec> | tcp-established <sec> "
1623  "tcp-transitory <sec> | icmp <sec> | reset]",
1624 };
1625 
1626 /*?
1627  * @cliexpar
1628  * @cliexstart{show nat timeouts}
1629  * Show values of timeouts for NAT sessions.
1630  * vpp# show nat timeouts
1631  * udp timeout: 300sec
1632  * tcp-established timeout: 7440sec
1633  * tcp-transitory timeout: 240sec
1634  * icmp timeout: 60sec
1635  * @cliexend
1636 ?*/
1638  .path = "show nat timeouts",
1639  .short_help = "show nat timeouts",
1640  .function = nat_show_timeouts_command_fn,
1641 };
1642 
1643 /*?
1644  * @cliexpar
1645  * @cliexstart{set nat frame-queue-nelts}
1646  * Set number of worker handoff frame queue elements.
1647  * @cliexend
1648 ?*/
1650  .path = "set nat frame-queue-nelts",
1652  .short_help = "set nat frame-queue-nelts <number>",
1653 };
1654 
1655 /*?
1656  * @cliexpar
1657  * @cliexstart{nat set logging level}
1658  * To set NAT logging level use:
1659  * Set nat logging level
1660  * @cliexend
1661 ?*/
1663  .path = "nat set logging level",
1664  .function = snat_set_log_level_command_fn,
1665  .short_help = "nat set logging level <level>",
1666 };
1667 
1668 /*?
1669  * @cliexpar
1670  * @cliexstart{snat ipfix logging}
1671  * To enable NAT IPFIX logging use:
1672  * vpp# nat ipfix logging
1673  * To set IPFIX exporter use:
1674  * vpp# set ipfix exporter collector 10.10.10.3 src 10.10.10.1
1675  * @cliexend
1676 ?*/
1678  .path = "nat ipfix logging",
1680  .short_help = "nat ipfix logging disable|<enable [domain <domain-id>] "
1681  "[src-port <port>]>",
1682 };
1683 
1684 /*?
1685  * @cliexpar
1686  * @cliexstart{nat mss-clamping}
1687  * Set TCP MSS rewriting configuration
1688  * To enable TCP MSS rewriting use:
1689  * vpp# nat mss-clamping 1452
1690  * To disbale TCP MSS rewriting use:
1691  * vpp# nat mss-clamping disable
1692  * @cliexend
1693 ?*/
1695  .path = "nat mss-clamping",
1696  .short_help = "nat mss-clamping <mss-value>|disable",
1697  .function = nat_set_mss_clamping_command_fn,
1698 };
1699 
1700 /*?
1701  * @cliexpar
1702  * @cliexstart{show nat mss-clamping}
1703  * Show TCP MSS rewriting configuration
1704  * @cliexend
1705 ?*/
1707  .path = "show nat mss-clamping",
1708  .short_help = "show nat mss-clamping",
1710 };
1711 
1712 /*?
1713  * @cliexpar
1714  * @cliexstart{show nat44 hash tables}
1715  * Show NAT44 hash tables
1716  * @cliexend
1717 ?*/
1719  .path = "show nat44 hash tables",
1720  .short_help = "show nat44 hash tables [detail|verbose]",
1721  .function = nat44_show_hash_command_fn,
1722 };
1723 
1724 /*?
1725  * @cliexpar
1726  * @cliexstart{nat44 add address}
1727  * Add/delete NAT44 pool address.
1728  * To add NAT44 pool address use:
1729  * vpp# nat44 add address 172.16.1.3
1730  * vpp# nat44 add address 172.16.2.2 - 172.16.2.24
1731  * To add NAT44 pool address for specific tenant (identified by VRF id) use:
1732  * vpp# nat44 add address 172.16.1.3 tenant-vrf 10
1733  * @cliexend
1734 ?*/
1736  .path = "nat44 add address",
1737  .short_help = "nat44 add address <ip4-range-start> [- <ip4-range-end>] "
1738  "[tenant-vrf <vrf-id>] [twice-nat] [del]",
1739  .function = add_address_command_fn,
1740 };
1741 
1742 /*?
1743  * @cliexpar
1744  * @cliexstart{show nat44 summary}
1745  * Show NAT44 summary
1746  * vpp# show nat44 summary
1747  * @cliexend
1748 ?*/
1750  .path = "show nat44 summary",
1751  .short_help = "show nat44 summary",
1752  .function = nat44_show_summary_command_fn,
1753 };
1754 
1755 /*?
1756  * @cliexpar
1757  * @cliexstart{show nat44 addresses}
1758  * Show NAT44 pool addresses.
1759  * vpp# show nat44 addresses
1760  * NAT44 pool addresses:
1761  * 172.16.2.2
1762  * tenant VRF independent
1763  * 10 busy udp ports
1764  * 0 busy tcp ports
1765  * 0 busy icmp ports
1766  * 172.16.1.3
1767  * tenant VRF: 10
1768  * 0 busy udp ports
1769  * 2 busy tcp ports
1770  * 0 busy icmp ports
1771  * NAT44 twice-nat pool addresses:
1772  * 10.20.30.72
1773  * tenant VRF independent
1774  * 0 busy udp ports
1775  * 0 busy tcp ports
1776  * 0 busy icmp ports
1777  * @cliexend
1778 ?*/
1780  .path = "show nat44 addresses",
1781  .short_help = "show nat44 addresses",
1782  .function = nat44_show_addresses_command_fn,
1783 };
1784 
1785 /*?
1786  * @cliexpar
1787  * @cliexstart{set interface nat44}
1788  * Enable/disable NAT44 feature on the interface.
1789  * To enable NAT44 feature with local network interface use:
1790  * vpp# set interface nat44 in GigabitEthernet0/8/0
1791  * To enable NAT44 feature with external network interface use:
1792  * vpp# set interface nat44 out GigabitEthernet0/a/0
1793  * @cliexend
1794 ?*/
1796  .path = "set interface nat44",
1797  .function = snat_feature_command_fn,
1798  .short_help = "set interface nat44 in <intfc> out <intfc> [output-feature] "
1799  "[del]",
1800 };
1801 
1802 /*?
1803  * @cliexpar
1804  * @cliexstart{show nat44 interfaces}
1805  * Show interfaces with NAT44 feature.
1806  * vpp# show nat44 interfaces
1807  * NAT44 interfaces:
1808  * GigabitEthernet0/8/0 in
1809  * GigabitEthernet0/a/0 out
1810  * @cliexend
1811 ?*/
1813  .path = "show nat44 interfaces",
1814  .short_help = "show nat44 interfaces",
1816 };
1817 
1818 /*?
1819  * @cliexpar
1820  * @cliexstart{nat44 add static mapping}
1821  * Static mapping allows hosts on the external network to initiate connection
1822  * to to the local network host.
1823  * To create static mapping between local host address 10.0.0.3 port 6303 and
1824  * external address 4.4.4.4 port 3606 for TCP protocol use:
1825  * vpp# nat44 add static mapping tcp local 10.0.0.3 6303 external 4.4.4.4 3606
1826  * If not runnig "static mapping only" NAT plugin mode use before:
1827  * vpp# nat44 add address 4.4.4.4
1828  * To create address only static mapping between local and external address use:
1829  * vpp# nat44 add static mapping local 10.0.0.3 external 4.4.4.4
1830  * To create ICMP static mapping between local and external with ICMP echo
1831  * identifier 10 use:
1832  * vpp# nat44 add static mapping icmp local 10.0.0.3 10 external 4.4.4.4 10
1833  * To force use of specific pool address, vrf independent
1834  * vpp# nat44 add static mapping local 10.0.0.2 1234 external 10.0.2.2 1234 twice-nat exact 10.0.1.2
1835  * @cliexend
1836 ?*/
1838  .path = "nat44 add static mapping",
1839  .function = add_static_mapping_command_fn,
1840  .short_help =
1841  "nat44 add static mapping tcp|udp|icmp local <addr> [<port|icmp-echo-id>] "
1842  "external <addr> [<port|icmp-echo-id>] [vrf <table-id>] [twice-nat|self-twice-nat] "
1843  "[out2in-only] [exact <pool-addr>] [del]",
1844 };
1845 
1846 /*?
1847  * @cliexpar
1848  * @cliexstart{nat44 add identity mapping}
1849  * Identity mapping translate an IP address to itself.
1850  * To create identity mapping for address 10.0.0.3 port 6303 for TCP protocol
1851  * use:
1852  * vpp# nat44 add identity mapping 10.0.0.3 tcp 6303
1853  * To create identity mapping for address 10.0.0.3 use:
1854  * vpp# nat44 add identity mapping 10.0.0.3
1855  * To create identity mapping for DHCP addressed interface use:
1856  * vpp# nat44 add identity mapping external GigabitEthernet0/a/0 tcp 3606
1857  * @cliexend
1858 ?*/
1860  .path = "nat44 add identity mapping",
1861  .function = add_identity_mapping_command_fn,
1862  .short_help = "nat44 add identity mapping <ip4-addr>|external <interface> "
1863  "[<protocol> <port>] [vrf <table-id>] [del]",
1864 };
1865 
1866 /*?
1867  * @cliexpar
1868  * @cliexstart{nat44 add load-balancing static mapping}
1869  * Service load balancing using NAT44
1870  * To add static mapping with load balancing for service with external IP
1871  * address 1.2.3.4 and TCP port 80 and mapped to 2 local servers
1872  * 10.100.10.10:8080 and 10.100.10.20:8080 with probability 80% resp. 20% use:
1873  * 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
1874  * @cliexend
1875 ?*/
1877  .path = "nat44 add load-balancing static mapping",
1879  .short_help =
1880  "nat44 add load-balancing static mapping protocol tcp|udp "
1881  "external <addr>:<port> local <addr>:<port> [vrf <table-id>] "
1882  "probability <n> [twice-nat|self-twice-nat] [out2in-only] "
1883  "[affinity <timeout-seconds>] [del]",
1884 };
1885 
1886 /*?
1887  * @cliexpar
1888  * @cliexstart{nat44 add load-balancing static mapping}
1889  * Modify service load balancing using NAT44
1890  * To add new back-end server 10.100.10.30:8080 for service load balancing
1891  * static mapping with external IP address 1.2.3.4 and TCP port 80 use:
1892  * vpp# nat44 add load-balancing back-end protocol tcp external 1.2.3.4:80 local 10.100.10.30:8080 probability 25
1893  * @cliexend
1894 ?*/
1896  .path = "nat44 add load-balancing back-end",
1897  .function = add_lb_backend_command_fn,
1898  .short_help =
1899  "nat44 add load-balancing back-end protocol tcp|udp "
1900  "external <addr>:<port> local <addr>:<port> [vrf <table-id>] "
1901  "probability <n> [del]",
1902 };
1903 
1904 /*?
1905  * @cliexpar
1906  * @cliexstart{show nat44 static mappings}
1907  * Show NAT44 static mappings.
1908  * vpp# show nat44 static mappings
1909  * NAT44 static mappings:
1910  * local 10.0.0.3 external 4.4.4.4 vrf 0
1911  * tcp local 192.168.0.4:6303 external 4.4.4.3:3606 vrf 0
1912  * tcp vrf 0 external 1.2.3.4:80 out2in-only
1913  * local 10.100.10.10:8080 probability 80
1914  * local 10.100.10.20:8080 probability 20
1915  * tcp local 10.100.3.8:8080 external 169.10.10.1:80 vrf 0 twice-nat
1916  * tcp local 10.0.0.10:3603 external GigabitEthernet0/a/0:6306 vrf 10
1917  * @cliexend
1918 ?*/
1920  .path = "show nat44 static mappings",
1921  .short_help = "show nat44 static mappings",
1923 };
1924 
1925 /*?
1926  * @cliexpar
1927  * @cliexstart{nat44 add interface address}
1928  * Use NAT44 pool address from specific interfce
1929  * To add NAT44 pool address from specific interface use:
1930  * vpp# nat44 add interface address GigabitEthernet0/8/0
1931  * @cliexend
1932 ?*/
1934  .path = "nat44 add interface address",
1935  .short_help = "nat44 add interface address <interface> [twice-nat] [del]",
1937 };
1938 
1939 /*?
1940  * @cliexpar
1941  * @cliexstart{show nat44 interface address}
1942  * Show NAT44 pool address interfaces
1943  * vpp# show nat44 interface address
1944  * NAT44 pool address interfaces:
1945  * GigabitEthernet0/a/0
1946  * NAT44 twice-nat pool address interfaces:
1947  * GigabitEthernet0/8/0
1948  * @cliexend
1949 ?*/
1951  .path = "show nat44 interface address",
1952  .short_help = "show nat44 interface address",
1954 };
1955 
1956 /*?
1957  * @cliexpar
1958  * @cliexstart{show nat44 sessions}
1959  * Show NAT44 sessions.
1960  * @cliexend
1961 ?*/
1963  .path = "show nat44 sessions",
1964  .short_help = "show nat44 sessions",
1965  .function = nat44_show_sessions_command_fn,
1966 };
1967 
1968 /*?
1969  * @cliexpar
1970  * @cliexstart{set nat44 session limit}
1971  * Set NAT44 session limit.
1972  * @cliexend
1973 ?*/
1975  .path = "set nat44 session limit",
1976  .short_help = "set nat44 session limit <limit> [vrf <table-id>]",
1978 };
1979 
1980 /*?
1981  * @cliexpar
1982  * @cliexstart{nat44 del session}
1983  * To administratively delete NAT44 session by inside address and port use:
1984  * vpp# nat44 del session in 10.0.0.3:6303 tcp
1985  * To administratively delete NAT44 session by outside address and port use:
1986  * vpp# nat44 del session out 1.0.0.3:6033 udp
1987  * @cliexend
1988 ?*/
1990  .path = "nat44 del session",
1991  .short_help = "nat44 del session in|out <addr>:<port> tcp|udp|icmp [vrf <id>] [external-host <addr>:<port>]",
1992  .function = nat44_del_session_command_fn,
1993 };
1994 
1995 /*?
1996  * @cliexpar
1997  * @cliexstart{nat44 forwarding}
1998  * Enable or disable forwarding
1999  * Forward packets which don't match existing translation
2000  * or static mapping instead of dropping them.
2001  * To enable forwarding, use:
2002  * vpp# nat44 forwarding enable
2003  * To disable forwarding, use:
2004  * vpp# nat44 forwarding disable
2005  * @cliexend
2006 ?*/
2008  .path = "nat44 forwarding",
2009  .short_help = "nat44 forwarding enable|disable",
2010  .function = snat_forwarding_set_command_fn,
2011 };
2012 
2013 /*
2014  * fd.io coding-style-patch-verification: ON
2015  *
2016  * Local Variables:
2017  * eval: (c-set-style "gnu")
2018  * End:
2019  */
snat_main_s::to_resolve
snat_static_map_resolve_t * to_resolve
Definition: nat44_ed.h:569
snat_set_workers
int snat_set_workers(uword *bitmap)
Set NAT plugin workers.
Definition: nat44_ed.c:1759
nat44_update_session_limit
int nat44_update_session_limit(u32 session_limit, u32 vrf_id)
Update NAT44 session limit flushing all data (session limit, vrf id)
Definition: nat44_ed.c:2789
set_workers_command
static vlib_cli_command_t set_workers_command
(constructor) VLIB_CLI_COMMAND (set_workers_command)
Definition: nat44_ed_cli.c:1587
nat_timeouts_t::udp
u32 udp
Definition: lib.h:84
nat_show_timeouts_command_fn
static clib_error_t * nat_show_timeouts_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1505
snat_main_s::outside_vrf_id
u32 outside_vrf_id
Definition: nat44_ed.h:600
nat_timeouts_t::icmp
u32 icmp
Definition: lib.h:85
unformat_user
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:989
snat_forwarding_set_command
static vlib_cli_command_t snat_forwarding_set_command
(constructor) VLIB_CLI_COMMAND (snat_forwarding_set_command)
Definition: nat44_ed_cli.c:2007
snat_main_s::static_mappings
snat_static_mapping_t * static_mappings
Definition: nat44_ed.h:528
end_addr
vl_api_address_t end_addr
Definition: ikev2_types.api:38
snat_main_s::twice_nat_addresses
snat_address_t * twice_nat_addresses
Definition: nat44_ed.h:562
nat_log_info
#define nat_log_info(...)
Definition: nat44_ed.h:833
format_ip4_address
format_function_t format_ip4_address
Definition: format.h:73
nat_timeouts_t::tcp
struct nat_timeouts_t::@732 tcp
nat44_show_hash
static vlib_cli_command_t nat44_show_hash
(constructor) VLIB_CLI_COMMAND (nat44_show_hash)
Definition: nat44_ed_cli.c:1718
nat_inlines.h
add_address_command_fn
static clib_error_t * add_address_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:355
snat_main_s::vnet_main
vnet_main_t * vnet_main
Definition: nat44_ed.h:673
nat44_set_session_limit_command
static vlib_cli_command_t nat44_set_session_limit_command
(constructor) VLIB_CLI_COMMAND (nat44_set_session_limit_command)
Definition: nat44_ed_cli.c:1974
snat_main_per_thread_data_t::lru_pool
dlist_elt_t * lru_pool
Definition: nat44_ed.h:474
unformat_line_input
unformat_function_t unformat_line_input
Definition: format.h:275
name
string name[64]
Definition: fib.api:25
unformat_nat_protocol
unformat_function_t unformat_nat_protocol
Definition: nat64.h:507
nat_interface_is_inside
#define nat_interface_is_inside(i)
Check if NAT interface is inside.
Definition: nat44_ed.h:772
set_interface_snat_command
static vlib_cli_command_t set_interface_snat_command
(constructor) VLIB_CLI_COMMAND (set_interface_snat_command)
Definition: nat44_ed_cli.c:1795
nat44_session_get_timeout
static u32 nat44_session_get_timeout(snat_main_t *sm, snat_session_t *s)
Definition: nat44_ed_inlines.h:239
nat44_ed_enable_disable_command_fn
static clib_error_t * nat44_ed_enable_disable_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:33
snat_main_s::translation_buckets
u32 translation_buckets
Definition: nat44_ed.h:596
nat_protocol_t
nat_protocol_t
Definition: lib.h:63
nat44_show_addresses_command
static vlib_cli_command_t nat44_show_addresses_command
(constructor) VLIB_CLI_COMMAND (nat44_show_addresses_command)
Definition: nat44_ed_cli.c:1779
snat_main_s::interfaces
snat_interface_t * interfaces
Definition: nat44_ed.h:538
clib_error_return
#define clib_error_return(e, args...)
Definition: error.h:99
u8
#define u8
Padding.
Definition: clib.h:121
vlib_cli_command_t::path
char * path
Definition: cli.h:96
nat_affinity_main_t::affinity_hash
clib_bihash_16_8_t affinity_hash
Definition: nat44_ed_affinity.h:59
probability
u8 probability
Definition: nat44_ed.api:1052
fib_table.h
set_frame_queue_nelts_command
static vlib_cli_command_t set_frame_queue_nelts_command
(constructor) VLIB_CLI_COMMAND (set_frame_queue_nelts_command)
Definition: nat44_ed_cli.c:1649
u16
unsigned short u16
Definition: types.h:57
nat_set_mss_clamping_command_fn
static clib_error_t * nat_set_mss_clamping_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:308
vm
vlib_main_t * vm
X-connect all packets from the HOST to the PHY.
Definition: nat44_ei.c:3047
nat44_show_summary_command
static vlib_cli_command_t nat44_show_summary_command
(constructor) VLIB_CLI_COMMAND (nat44_show_summary_command)
Definition: nat44_ed_cli.c:1749
snat_main_s::workers
u32 * workers
Definition: nat44_ed.h:515
snat_ipfix_logging_enable_disable_command
static vlib_cli_command_t snat_ipfix_logging_enable_disable_command
(constructor) VLIB_CLI_COMMAND (snat_ipfix_logging_enable_disable_command)
Definition: nat44_ed_cli.c:1677
port
u16 port
Definition: lb_types.api:73
log.h
NAT port/address allocation lib.
snat_add_interface_address_command
static vlib_cli_command_t snat_add_interface_address_command
(constructor) VLIB_CLI_COMMAND (snat_add_interface_address_command)
Definition: nat44_ed_cli.c:1933
nat44_show_lru_summary
static void nat44_show_lru_summary(vlib_main_t *vm, snat_main_per_thread_data_t *tsm, u64 now, u64 sess_timeout_time)
Definition: nat44_ed_cli.c:452
snat_main_s::timeouts
nat_timeouts_t timeouts
Definition: nat44_ed.h:605
snat_main_s::addresses
snat_address_t * addresses
Definition: nat44_ed.h:542
nat_timeouts_t::transitory
u32 transitory
Definition: lib.h:81
unformat_input_t
struct _unformat_input_t unformat_input_t
start_addr
vl_api_address_t start_addr
Definition: ikev2_types.api:37
addr
vhost_vring_addr_t addr
Definition: vhost_user.h:130
snat_main_s::static_mapping_by_external
clib_bihash_8_8_t static_mapping_by_external
Definition: nat44_ed.h:525
vlib_worker_threads
vlib_worker_thread_t * vlib_worker_threads
Definition: threads.c:35
format_snat_static_mapping
format_function_t format_snat_static_mapping
Definition: nat44_ed.h:710
TWICE_NAT_DISABLED
@ TWICE_NAT_DISABLED
Definition: nat44_ed.h:391
add_lb_static_mapping_command
static vlib_cli_command_t add_lb_static_mapping_command
(constructor) VLIB_CLI_COMMAND (add_lb_static_mapping_command)
Definition: nat44_ed_cli.c:1876
error
Definition: cJSON.c:88
snat_main_s::log_level
u8 log_level
Definition: nat44_ed.h:654
snat_main_s::forwarding_enabled
u8 forwarding_enabled
Definition: nat44_ed.h:587
log_level
log_level
Definition: vpe_types.api:33
add_lb_static_mapping_command_fn
static clib_error_t * add_lb_static_mapping_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:993
unformat
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:978
snat_address_t
Definition: nat44_ed.h:350
foreach_nat_protocol
@ foreach_nat_protocol
Definition: lib.h:66
set_timeout_command
static vlib_cli_command_t set_timeout_command
(constructor) VLIB_CLI_COMMAND (set_timeout_command)
Definition: nat44_ed_cli.c:1618
pool_foreach
#define pool_foreach(VAR, POOL)
Iterate through pool.
Definition: pool.h:534
count
u8 count
Definition: dhcp.api:208
set_timeout_command_fn
static clib_error_t * set_timeout_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1472
vec_len
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
Definition: vec_bootstrap.h:142
snat_main_s::per_thread_data
snat_main_per_thread_data_t * per_thread_data
Definition: nat44_ed.h:519
unformat_free
static void unformat_free(unformat_input_t *i)
Definition: format.h:155
nat_timeouts_t::established
u32 established
Definition: lib.h:80
vec_add1
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:606
snat_main_s::flow_hash
clib_bihash_16_8_t flow_hash
Definition: nat44_ed.h:535
vec_elt_at_index
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
Definition: vec_bootstrap.h:203
nat44_show_addresses_command_fn
static clib_error_t * nat44_show_addresses_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:620
snat_main_s::first_worker_index
u32 first_worker_index
Definition: nat44_ed.h:514
vnet_get_main
vnet_main_t * vnet_get_main(void)
Definition: pnat_test_stubs.h:56
fib_table_t_::ft_table_id
u32 ft_table_id
Table ID (hash key) for this FIB.
Definition: fib_table.h:92
twice_nat_type_t
twice_nat_type_t
Definition: nat44_ed.h:388
unformat_check_input
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:163
nat_proto_to_ip_proto
static_always_inline u8 nat_proto_to_ip_proto(nat_protocol_t nat_proto)
Definition: inlines.h:37
nat44_del_session_command
static vlib_cli_command_t nat44_del_session_command
(constructor) VLIB_CLI_COMMAND (nat44_del_session_command)
Definition: nat44_ed_cli.c:1989
nat44_lb_static_mapping_add_del_local
int nat44_lb_static_mapping_add_del_local(ip4_address_t e_addr, u16 e_port, ip4_address_t l_addr, u16 l_port, nat_protocol_t proto, u32 vrf_id, u8 probability, u8 is_add)
Definition: nat44_ed.c:1084
c
svmdb_client_t * c
Definition: vpp_get_metrics.c:48
print
static unsigned char * print(const cJSON *const item, cJSON_bool format, const internal_hooks *const hooks)
Definition: cJSON.c:1183
vec_foreach_index
#define vec_foreach_index(var, v)
Iterate over vector indices.
Definition: vec_bootstrap.h:220
clib_bitmap_free
#define clib_bitmap_free(v)
Free a bitmap.
Definition: bitmap.h:92
uword
u64 uword
Definition: types.h:112
nat44_show_hash_command_fn
static clib_error_t * nat44_show_hash_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:273
snat_add_interface_address
int snat_add_interface_address(snat_main_t *sm, u32 sw_if_index, int is_del, u8 twice_nat)
Add/delete NAT44 pool address from specific interface.
Definition: nat44_ed.c:3076
TWICE_NAT_SELF
@ TWICE_NAT_SELF
Definition: nat44_ed.h:395
add_lb_backend_command
static vlib_cli_command_t add_lb_backend_command
(constructor) VLIB_CLI_COMMAND (add_lb_backend_command)
Definition: nat44_ed_cli.c:1895
nat44_del_ed_session
int nat44_del_ed_session(snat_main_t *sm, ip4_address_t *addr, u16 port, ip4_address_t *eh_addr, u16 eh_port, u8 proto, u32 vrf_id, int is_in)
Delete NAT44 endpoint-dependent session.
Definition: nat44_ed.c:3144
snat_add_interface_address_command_fn
static clib_error_t * snat_add_interface_address_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1205
ipfix_logging.h
nat_set_mss_clamping_command
static vlib_cli_command_t nat_set_mss_clamping_command
(constructor) VLIB_CLI_COMMAND (nat_set_mss_clamping_command)
Definition: nat44_ed_cli.c:1694
add_lb_backend_command_fn
static clib_error_t * add_lb_backend_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1101
src_port
vl_api_ip_port_and_mask_t src_port
Definition: flow_types.api:91
set_frame_queue_nelts_command_fn
static clib_error_t * set_frame_queue_nelts_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1522
i
sll srl srl sll sra u16x4 i
Definition: vector_sse42.h:261
NAT_LOG_NONE
@ NAT_LOG_NONE
Definition: nat_types.api:28
f64
double f64
Definition: types.h:142
nat44_show_static_mappings_command
static vlib_cli_command_t nat44_show_static_mappings_command
(constructor) VLIB_CLI_COMMAND (nat44_show_static_mappings_command)
Definition: nat44_ed_cli.c:1919
format_unformat_error
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91
dlist_elt_t
Definition: dlist.h:28
nat44_lb_addr_port_t
Definition: nat44_ed.h:374
VLIB_CLI_COMMAND
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:163
format_snat_static_map_to_resolve
format_function_t format_snat_static_map_to_resolve
Definition: nat44_ed.h:711
snat_interface_add_del
int snat_interface_add_del(u32 sw_if_index, u8 is_inside, int is_del)
Enable/disable NAT44 feature on the interface.
Definition: nat44_ed.c:1397
ip4_address_t
Definition: ip4_packet.h:50
NAT_LOG_DEBUG
@ NAT_LOG_DEBUG
Definition: nat_types.api:33
nat44_show_sessions_command
static vlib_cli_command_t nat44_show_sessions_command
(constructor) VLIB_CLI_COMMAND (nat44_show_sessions_command)
Definition: nat44_ed_cli.c:1962
FIB_PROTOCOL_IP4
@ FIB_PROTOCOL_IP4
Definition: fib_types.h:36
nat_show_timeouts_command
static vlib_cli_command_t nat_show_timeouts_command
(constructor) VLIB_CLI_COMMAND (nat_show_timeouts_command)
Definition: nat44_ed_cli.c:1637
snat_main_s
Definition: nat44_ed.h:510
snat_main_per_thread_data_t::sessions
snat_session_t * sessions
Definition: nat44_ed.h:468
add_identity_mapping_command_fn
static clib_error_t * add_identity_mapping_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:918
nat44_plugin_enable
int nat44_plugin_enable(nat44_config_t c)
Enable NAT44 plugin.
Definition: nat44_ed.c:2099
vlib_cli_output
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:716
nat44_ed_set_frame_queue_nelts
int nat44_ed_set_frame_queue_nelts(u32 frame_queue_nelts)
Definition: nat44_ed.c:1785
nat44_ed_enable_disable_command
static vlib_cli_command_t nat44_ed_enable_disable_command
(constructor) VLIB_CLI_COMMAND (nat44_ed_enable_disable_command)
Definition: nat44_ed_cli.c:1572
add_address_command
static vlib_cli_command_t add_address_command
(constructor) VLIB_CLI_COMMAND (add_address_command)
Definition: nat44_ed_cli.c:1735
increment_v4_address
static void increment_v4_address(ip4_address_t *a)
Definition: nat_inlines.h:23
nat44_show_interfaces_command
static vlib_cli_command_t nat44_show_interfaces_command
(constructor) VLIB_CLI_COMMAND (nat44_show_interfaces_command)
Definition: nat44_ed_cli.c:1812
NAT44_ED_EXPECTED_ARGUMENT
#define NAT44_ED_EXPECTED_ARGUMENT
Definition: nat44_ed_cli.c:30
vnet_main_t
Definition: vnet.h:76
vec_free
#define vec_free(V)
Free vector's memory (no header).
Definition: vec.h:395
nat44_ed_affinity.h
NAT plugin client-IP based session affinity for load-balancing.
nat44_show_interfaces_command_fn
static clib_error_t * nat44_show_interfaces_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:768
nat_show_mss_clamping_command
static vlib_cli_command_t nat_show_mss_clamping_command
(constructor) VLIB_CLI_COMMAND (nat_show_mss_clamping_command)
Definition: nat44_ed_cli.c:1706
icmp
icmp
Definition: map.api:387
nat_ipfix_logging_enable_disable
int nat_ipfix_logging_enable_disable(int enable, u32 domain_id, u16 src_port)
Enable/disable NAT plugin IPFIX logging.
Definition: ipfix_logging.c:1524
nat44_ed_inlines.h
nat44_del_session_command_fn
static clib_error_t * nat44_del_session_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1363
snat_main_s::max_translations_per_fib
u32 * max_translations_per_fib
Definition: nat44_ed.h:598
set_workers_command_fn
static clib_error_t * set_workers_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:111
nat44_config_t
Definition: nat44_ed.h:59
snat_add_static_mapping
int snat_add_static_mapping(ip4_address_t l_addr, ip4_address_t e_addr, u16 l_port, u16 e_port, u32 vrf_id, int addr_only, u32 sw_if_index, nat_protocol_t proto, int is_add, twice_nat_type_t twice_nat, u8 out2in_only, u8 *tag, u8 identity_nat, ip4_address_t pool_addr, int exact)
Add/delete NAT44 static mapping.
Definition: nat44_ed.c:484
u64
unsigned long u64
Definition: types.h:89
format_vnet_sw_if_index_name
format_function_t format_vnet_sw_if_index_name
Definition: interface_funcs.h:455
unformat_vnet_sw_interface
unformat_function_t unformat_vnet_sw_interface
Definition: interface_funcs.h:459
TWICE_NAT
@ TWICE_NAT
Definition: nat44_ed.h:393
nat_reset_timeouts
static_always_inline void nat_reset_timeouts(nat_timeouts_t *timeouts)
Definition: lib.h:90
fib_table_get
fib_table_t * fib_table_get(fib_node_index_t index, fib_protocol_t proto)
Get a pointer to a FIB table.
Definition: fib_table.c:29
nat44_show_static_mappings_command_fn
static clib_error_t * nat44_show_static_mappings_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1185
u32
unsigned int u32
Definition: types.h:88
snat_del_address
int snat_del_address(snat_main_t *sm, ip4_address_t addr, u8 delete_sm, u8 twice_nat)
Delete external address from NAT44 pool.
Definition: nat44_ed.c:1224
snat_main_s::auto_add_sw_if_indices
u32 * auto_add_sw_if_indices
Definition: nat44_ed.h:565
snat_main_s::mss_clamping
u16 mss_clamping
Definition: nat44_ed.h:608
snat_set_log_level_command_fn
static clib_error_t * snat_set_log_level_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:186
snat_interface_add_del_output_feature
int snat_interface_add_del_output_feature(u32 sw_if_index, u8 is_inside, int is_del)
Enable/disable NAT44 output feature on the interface (postrouting NAT)
Definition: nat44_ed.c:1595
vec_foreach
#define vec_foreach(var, vec)
Vector iterator.
Definition: vec_bootstrap.h:213
snat_main_s::static_mapping_by_local
clib_bihash_8_8_t static_mapping_by_local
Definition: nat44_ed.h:522
nat44_ed.h
vlib_worker_thread_t
Definition: threads.h:85
nat_show_workers_command
static vlib_cli_command_t nat_show_workers_command
(constructor) VLIB_CLI_COMMAND (nat_show_workers_command)
Definition: nat44_ed_cli.c:1603
nat44_show_summary_command_fn
static clib_error_t * nat44_show_summary_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:486
pool_elts
static uword pool_elts(void *v)
Number of active elements in a pool.
Definition: pool.h:127
snat_feature_command_fn
static clib_error_t * snat_feature_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:658
nat44_set_session_limit_command_fn
static clib_error_t * nat44_set_session_limit_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1325
snat_ipfix_logging_enable_disable_command_fn
static clib_error_t * snat_ipfix_logging_enable_disable_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:219
snat_main_s::inside_vrf_id
u32 inside_vrf_id
Definition: nat44_ed.h:602
nat_show_mss_clamping_command_fn
static clib_error_t * nat_show_mss_clamping_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:341
add_static_mapping_command
static vlib_cli_command_t add_static_mapping_command
(constructor) VLIB_CLI_COMMAND (add_static_mapping_command)
Definition: nat44_ed_cli.c:1837
snat_set_log_level_command
static vlib_cli_command_t snat_set_log_level_command
(constructor) VLIB_CLI_COMMAND (snat_set_log_level_command)
Definition: nat44_ed_cli.c:1662
now
f64 now
Definition: nat44_ei_out2in.c:710
clib_memset
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
vlib_main_t
Definition: main.h:102
snat_main
snat_main_t snat_main
Definition: nat44_ed.c:41
u8
unsigned char u8
Definition: types.h:56
clib_error_t
Definition: clib_error.h:21
snat_main_s::num_workers
u32 num_workers
Definition: nat44_ed.h:513
snat_interface_t
Definition: nat44_ed.h:441
snat_address_t::fib_index
u32 fib_index
Definition: nat44_ed.h:353
vlib_worker_thread_t::name
u8 * name
Definition: threads.h:102
nat_interface_is_outside
#define nat_interface_is_outside(i)
Check if NAT interface is outside.
Definition: nat44_ed.h:778
nat44_plugin_disable
int nat44_plugin_disable()
Disable NAT44 plugin.
Definition: nat44_ed.c:2179
snat_static_mapping_t
Definition: nat44_ed.h:408
rv
int __clib_unused rv
Definition: application.c:491
unformat_ip4_address
unformat_function_t unformat_ip4_address
Definition: format.h:68
vrf_id
u32 vrf_id
Definition: nat44_ed.api:1053
add_identity_mapping_command
static vlib_cli_command_t add_identity_mapping_command
(constructor) VLIB_CLI_COMMAND (add_identity_mapping_command)
Definition: nat44_ed_cli.c:1859
vlib_time_now
static f64 vlib_time_now(vlib_main_t *vm)
Definition: main.h:325
snat_static_map_resolve_t
Definition: nat44_ed.h:447
snat_address_t::addr
ip4_address_t addr
Definition: nat44_ed.h:352
snat_add_address
int snat_add_address(snat_main_t *sm, ip4_address_t *addr, u32 vrf_id, u8 twice_nat)
Add external address to NAT44 pool.
Definition: nat44_ed.c:320
snat_main_per_thread_data_t
Definition: nat44_ed.h:465
nat44_add_del_lb_static_mapping
int nat44_add_del_lb_static_mapping(ip4_address_t e_addr, u16 e_port, nat_protocol_t proto, nat44_lb_addr_port_t *locals, u8 is_add, twice_nat_type_t twice_nat, u8 out2in_only, u8 *tag, u32 affinity)
Add/delete static mapping with load-balancing (multiple backends)
Definition: nat44_ed.c:856
nat_show_workers_commnad_fn
static clib_error_t * nat_show_workers_commnad_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:165
proto
vl_api_ip_proto_t proto
Definition: acl_types.api:51
nat44_show_interface_address_command
static vlib_cli_command_t nat44_show_interface_address_command
(constructor) VLIB_CLI_COMMAND (nat44_show_interface_address_command)
Definition: nat44_ed_cli.c:1950
vlib_cli_command_t
Definition: cli.h:92
snat_main_s::static_mapping_only
u8 static_mapping_only
Definition: nat44_ed.h:590
sw_if_index
vl_api_interface_index_t sw_if_index
Definition: wireguard.api:34
snat_forwarding_set_command_fn
static clib_error_t * snat_forwarding_set_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1430
add_static_mapping_command_fn
static clib_error_t * add_static_mapping_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:799
nat44_show_sessions_command_fn
static clib_error_t * nat44_show_sessions_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1283
unformat_bitmap_list
__clib_export uword unformat_bitmap_list(unformat_input_t *input, va_list *va)
unformat a list of bit ranges into a bitmap (eg "0-3,5-7,11" )
Definition: bitmap.c:55
snat_main_s::auto_add_sw_if_indices_twice_nat
u32 * auto_add_sw_if_indices_twice_nat
Definition: nat44_ed.h:566
format_snat_session
format_function_t format_snat_session
Definition: nat44_ed.h:712
nat_affinity_main
nat_affinity_main_t nat_affinity_main
Definition: nat44_ed_affinity.c:25
nat_affinity_main_t
Definition: nat44_ed_affinity.h:56
nat44_show_interface_address_command_fn
static clib_error_t * nat44_show_interface_address_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat44_ed_cli.c:1258
snat_main_s::enabled
u8 enabled
Definition: nat44_ed.h:671
UNFORMAT_END_OF_INPUT
#define UNFORMAT_END_OF_INPUT
Definition: format.h:137
snat_main_s::output_feature_interfaces
snat_interface_t * output_feature_interfaces
Definition: nat44_ed.h:539