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Vector Packet Processing
nat64_cli.c
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1 /*
2  * Copyright (c) 2017 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 NAT64 CLI
18  */
19 
20 #include <nat/nat64.h>
21 #include <nat/nat.h>
22 #include <nat/nat_inlines.h>
23 #include <vnet/fib/fib_table.h>
24 
25 static clib_error_t *
27  unformat_input_t * input,
28  vlib_cli_command_t * cmd)
29 {
30  unformat_input_t _line_input, *line_input = &_line_input;
31  ip4_address_t start_addr, end_addr, this_addr;
32  u32 start_host_order, end_host_order;
33  int i, count, rv;
34  u32 vrf_id = ~0;
35  u8 is_add = 1;
36  clib_error_t *error = 0;
37 
38  /* Get a line of input. */
39  if (!unformat_user (input, unformat_line_input, line_input))
40  return 0;
41 
42  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
43  {
44  if (unformat (line_input, "%U - %U",
45  unformat_ip4_address, &start_addr,
46  unformat_ip4_address, &end_addr))
47  ;
48  else if (unformat (line_input, "tenant-vrf %u", &vrf_id))
49  ;
50  else if (unformat (line_input, "%U", unformat_ip4_address, &start_addr))
51  end_addr = start_addr;
52  else if (unformat (line_input, "del"))
53  is_add = 0;
54  else
55  {
56  error = clib_error_return (0, "unknown input '%U'",
57  format_unformat_error, line_input);
58  goto done;
59  }
60  }
61 
62  start_host_order = clib_host_to_net_u32 (start_addr.as_u32);
63  end_host_order = clib_host_to_net_u32 (end_addr.as_u32);
64 
65  if (end_host_order < start_host_order)
66  {
67  error = clib_error_return (0, "end address less than start address");
68  goto done;
69  }
70 
71  count = (end_host_order - start_host_order) + 1;
72  this_addr = start_addr;
73 
74  for (i = 0; i < count; i++)
75  {
76  rv = nat64_add_del_pool_addr (&this_addr, vrf_id, is_add);
77 
78  switch (rv)
79  {
80  case VNET_API_ERROR_NO_SUCH_ENTRY:
81  error =
82  clib_error_return (0, "NAT64 pool address %U not exist.",
83  format_ip4_address, &this_addr);
84  goto done;
85  case VNET_API_ERROR_VALUE_EXIST:
86  error =
87  clib_error_return (0, "NAT64 pool address %U exist.",
88  format_ip4_address, &this_addr);
89  goto done;
90  default:
91  break;
92 
93  }
94  increment_v4_address (&this_addr);
95  }
96 
97 done:
98  unformat_free (line_input);
99 
100  return error;
101 }
102 
103 static int
105 {
106  vlib_main_t *vm = ctx;
107 
108  if (ap->fib_index != ~0)
109  {
110  fib_table_t *fib;
112  if (!fib)
113  return -1;
114  vlib_cli_output (vm, " %U tenant VRF: %u", format_ip4_address,
115  &ap->addr, fib->ft_table_id);
116  }
117  else
118  vlib_cli_output (vm, " %U", format_ip4_address, &ap->addr);
119 
120 #define _(N, i, n, s) \
121  vlib_cli_output (vm, " %d busy %s ports", ap->busy_##n##_ports, s);
123 #undef _
124  return 0;
125 }
126 
127 static clib_error_t *
129  unformat_input_t * input,
130  vlib_cli_command_t * cmd)
131 {
132  vlib_cli_output (vm, "NAT64 pool:");
134 
135  return 0;
136 }
137 
138 static clib_error_t *
141  input, vlib_cli_command_t * cmd)
142 {
143  unformat_input_t _line_input, *line_input = &_line_input;
144  vnet_main_t *vnm = vnet_get_main ();
145  clib_error_t *error = 0;
147  u32 *inside_sw_if_indices = 0;
148  u32 *outside_sw_if_indices = 0;
149  u8 is_add = 1;
150  int i, rv;
151 
152  /* Get a line of input. */
153  if (!unformat_user (input, unformat_line_input, line_input))
154  return 0;
155 
156  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
157  {
158  if (unformat (line_input, "in %U", unformat_vnet_sw_interface,
159  vnm, &sw_if_index))
160  vec_add1 (inside_sw_if_indices, sw_if_index);
161  else if (unformat (line_input, "out %U", unformat_vnet_sw_interface,
162  vnm, &sw_if_index))
163  vec_add1 (outside_sw_if_indices, sw_if_index);
164  else if (unformat (line_input, "del"))
165  is_add = 0;
166  else
167  {
168  error = clib_error_return (0, "unknown input '%U'",
169  format_unformat_error, line_input);
170  goto done;
171  }
172  }
173 
174  if (vec_len (inside_sw_if_indices))
175  {
176  for (i = 0; i < vec_len (inside_sw_if_indices); i++)
177  {
178  sw_if_index = inside_sw_if_indices[i];
179  rv = nat64_add_del_interface (sw_if_index, 1, is_add);
180  switch (rv)
181  {
182  case VNET_API_ERROR_NO_SUCH_ENTRY:
183  error =
184  clib_error_return (0, "%U NAT64 feature not enabled.",
186  sw_if_index);
187  goto done;
188  case VNET_API_ERROR_VALUE_EXIST:
189  error =
190  clib_error_return (0, "%U NAT64 feature already enabled.",
192  vnm, sw_if_index);
193  goto done;
194  case VNET_API_ERROR_INVALID_VALUE:
195  case VNET_API_ERROR_INVALID_VALUE_2:
196  error =
198  "%U NAT64 feature enable/disable failed.",
200  sw_if_index);
201  goto done;
202  default:
203  break;
204 
205  }
206  }
207  }
208 
209  if (vec_len (outside_sw_if_indices))
210  {
211  for (i = 0; i < vec_len (outside_sw_if_indices); i++)
212  {
213  sw_if_index = outside_sw_if_indices[i];
214  rv = nat64_add_del_interface (sw_if_index, 0, is_add);
215  switch (rv)
216  {
217  case VNET_API_ERROR_NO_SUCH_ENTRY:
218  error =
219  clib_error_return (0, "%U NAT64 feature not enabled.",
221  sw_if_index);
222  goto done;
223  case VNET_API_ERROR_VALUE_EXIST:
224  error =
225  clib_error_return (0, "%U NAT64 feature already enabled.",
227  sw_if_index);
228  goto done;
229  case VNET_API_ERROR_INVALID_VALUE:
230  case VNET_API_ERROR_INVALID_VALUE_2:
231  error =
233  "%U NAT64 feature enable/disable failed.",
235  sw_if_index);
236  goto done;
237  default:
238  break;
239 
240  }
241  }
242  }
243 
244 done:
245  unformat_free (line_input);
246  vec_free (inside_sw_if_indices);
247  vec_free (outside_sw_if_indices);
248 
249  return error;
250 }
251 
252 static int
254 {
255  vlib_main_t *vm = ctx;
256  vnet_main_t *vnm = vnet_get_main ();
257 
258  vlib_cli_output (vm, " %U %s", format_vnet_sw_if_index_name, vnm,
259  i->sw_if_index,
261  && nat_interface_is_outside (i)) ? "in out" :
262  nat_interface_is_inside (i) ? "in" : "out");
263  return 0;
264 }
265 
266 static clib_error_t *
269  input, vlib_cli_command_t * cmd)
270 {
271  vlib_cli_output (vm, "NAT64 interfaces:");
273 
274  return 0;
275 }
276 
277 static clib_error_t *
279  vm,
281  * input, vlib_cli_command_t * cmd)
282 {
283  unformat_input_t _line_input, *line_input = &_line_input;
284  clib_error_t *error = 0;
285  u8 is_add = 1;
286  ip6_address_t in_addr;
287  ip4_address_t out_addr;
288  u32 in_port = 0;
289  u32 out_port = 0;
290  u32 vrf_id = 0, protocol;
291  snat_protocol_t proto = 0;
292  u8 p = 0;
293  int rv;
294 
295  if (!unformat_user (input, unformat_line_input, line_input))
296  return 0;
297 
298  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
299  {
300  if (unformat (line_input, "%U %u", unformat_ip6_address,
301  &in_addr, &in_port))
302  ;
303  else if (unformat (line_input, "%U %u", unformat_ip4_address,
304  &out_addr, &out_port))
305  ;
306  else if (unformat (line_input, "vrf %u", &vrf_id))
307  ;
308  else if (unformat (line_input, "%U", unformat_snat_protocol, &proto))
309  ;
310  else
311  if (unformat
312  (line_input, "%U %U %u", unformat_ip6_address, &in_addr,
313  unformat_ip4_address, &out_addr, &protocol))
314  p = (u8) protocol;
315  else if (unformat (line_input, "del"))
316  is_add = 0;
317  else
318  {
319  error = clib_error_return (0, "unknown input: '%U'",
320  format_unformat_error, line_input);
321  goto done;
322  }
323  }
324 
325  if (!p)
326  {
327  if (!in_port)
328  {
329  error =
330  clib_error_return (0, "inside port and address must be set");
331  goto done;
332  }
333 
334  if (!out_port)
335  {
336  error =
337  clib_error_return (0, "outside port and address must be set");
338  goto done;
339  }
340 
341  p = snat_proto_to_ip_proto (proto);
342  }
343 
344  rv =
345  nat64_add_del_static_bib_entry (&in_addr, &out_addr, (u16) in_port,
346  (u16) out_port, p, vrf_id, is_add);
347 
348  switch (rv)
349  {
350  case VNET_API_ERROR_NO_SUCH_ENTRY:
351  error = clib_error_return (0, "NAT64 BIB entry not exist.");
352  goto done;
353  case VNET_API_ERROR_VALUE_EXIST:
354  error = clib_error_return (0, "NAT64 BIB entry exist.");
355  goto done;
356  case VNET_API_ERROR_UNSPECIFIED:
357  error = clib_error_return (0, "Crerate NAT64 BIB entry failed.");
358  goto done;
359  case VNET_API_ERROR_INVALID_VALUE:
360  error =
361  clib_error_return (0, "Outside addres %U and port %u already in use.",
362  format_ip4_address, &out_addr, out_port);
363  goto done;
364  case VNET_API_ERROR_INVALID_VALUE_2:
365  error = clib_error_return (0, "Invalid outside port.");
366  default:
367  break;
368  }
369 
370 done:
371  unformat_free (line_input);
372 
373  return error;
374 }
375 
376 static int
377 nat64_cli_bib_walk (nat64_db_bib_entry_t * bibe, void *ctx)
378 {
379  vlib_main_t *vm = ctx;
380  fib_table_t *fib;
381 
382  fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
383  if (!fib)
384  return -1;
385 
386  switch (bibe->proto)
387  {
388  case IP_PROTOCOL_ICMP:
389  case IP_PROTOCOL_TCP:
390  case IP_PROTOCOL_UDP:
391  vlib_cli_output (vm, " %U %u %U %u protocol %U vrf %u %s %u sessions",
392  format_ip6_address, &bibe->in_addr,
393  clib_net_to_host_u16 (bibe->in_port),
394  format_ip4_address, &bibe->out_addr,
395  clib_net_to_host_u16 (bibe->out_port),
397  ip_proto_to_snat_proto (bibe->proto), fib->ft_table_id,
398  bibe->is_static ? "static" : "dynamic", bibe->ses_num);
399  break;
400  default:
401  vlib_cli_output (vm, " %U %U protocol %u vrf %u %s %u sessions",
402  format_ip6_address, &bibe->in_addr,
403  format_ip4_address, &bibe->out_addr,
404  bibe->proto, fib->ft_table_id,
405  bibe->is_static ? "static" : "dynamic", bibe->ses_num);
406  }
407  return 0;
408 }
409 
410 static clib_error_t *
412  unformat_input_t * input, vlib_cli_command_t * cmd)
413 {
414  nat64_main_t *nm = &nat64_main;
415  unformat_input_t _line_input, *line_input = &_line_input;
416  clib_error_t *error = 0;
417  u32 proto = ~0;
418  u8 p = 255;
419  nat64_db_t *db;
420 
421  if (!unformat_user (input, unformat_line_input, line_input))
422  return 0;
423 
424  if (unformat (line_input, "%U", unformat_snat_protocol, &proto))
425  p = snat_proto_to_ip_proto (proto);
426  else if (unformat (line_input, "unknown"))
427  p = 0;
428  else if (unformat (line_input, "all"))
429  ;
430  else
431  {
432  error = clib_error_return (0, "unknown input: '%U'",
433  format_unformat_error, line_input);
434  goto done;
435  }
436 
437  if (p == 255)
438  vlib_cli_output (vm, "NAT64 BIB entries:");
439  else
440  vlib_cli_output (vm, "NAT64 %U BIB entries:", format_snat_protocol,
441  proto);
442 
443  /* *INDENT-OFF* */
444  vec_foreach (db, nm->db)
446  /* *INDENT-ON* */
447 
448 done:
449  unformat_free (line_input);
450 
451  return error;
452 }
453 
455 {
459 
460 static int
461 nat64_cli_st_walk (nat64_db_st_entry_t * ste, void *arg)
462 {
464  vlib_main_t *vm = ctx->vm;
465  nat64_db_bib_entry_t *bibe;
466  fib_table_t *fib;
467 
468  bibe = nat64_db_bib_entry_by_index (ctx->db, ste->proto, ste->bibe_index);
469  if (!bibe)
470  return -1;
471 
472  fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
473  if (!fib)
474  return -1;
475 
476  u32 vrf_id = fib->ft_table_id;
477 
478  if (ste->proto == IP_PROTOCOL_ICMP)
479  vlib_cli_output (vm, " %U %U %u %U %U %u protocol %U vrf %u",
480  format_ip6_address, &bibe->in_addr,
481  format_ip6_address, &ste->in_r_addr,
482  clib_net_to_host_u16 (bibe->in_port),
483  format_ip4_address, &bibe->out_addr,
484  format_ip4_address, &ste->out_r_addr,
485  clib_net_to_host_u16 (bibe->out_port),
487  ip_proto_to_snat_proto (bibe->proto), vrf_id);
488  else if (ste->proto == IP_PROTOCOL_TCP || ste->proto == IP_PROTOCOL_UDP)
489  vlib_cli_output (vm, " %U %u %U %u %U %u %U %u protcol %U vrf %u",
490  format_ip6_address, &bibe->in_addr,
491  clib_net_to_host_u16 (bibe->in_port),
492  format_ip6_address, &ste->in_r_addr,
493  clib_net_to_host_u16 (ste->r_port),
494  format_ip4_address, &bibe->out_addr,
495  clib_net_to_host_u16 (bibe->out_port),
496  format_ip4_address, &ste->out_r_addr,
497  clib_net_to_host_u16 (ste->r_port),
499  ip_proto_to_snat_proto (bibe->proto), vrf_id);
500  else
501  vlib_cli_output (vm, " %U %U %U %U protocol %u vrf %u",
502  format_ip6_address, &bibe->in_addr,
503  format_ip6_address, &ste->in_r_addr,
504  format_ip4_address, &bibe->out_addr,
505  format_ip4_address, &ste->out_r_addr,
506  bibe->proto, vrf_id);
507 
508  return 0;
509 }
510 
511 static clib_error_t *
513  unformat_input_t * input, vlib_cli_command_t * cmd)
514 {
515  nat64_main_t *nm = &nat64_main;
516  unformat_input_t _line_input, *line_input = &_line_input;
517  clib_error_t *error = 0;
518  u32 proto = ~0;
519  u8 p = 255;
520  nat64_db_t *db;
522  .vm = vm,
523  };
524 
525  if (!unformat_user (input, unformat_line_input, line_input))
526  return 0;
527 
528  if (unformat (line_input, "%U", unformat_snat_protocol, &proto))
529  p = snat_proto_to_ip_proto (proto);
530  else if (unformat (line_input, "unknown"))
531  p = 0;
532  else if (unformat (line_input, "all"))
533  ;
534  else
535  {
536  error = clib_error_return (0, "unknown input: '%U'",
537  format_unformat_error, line_input);
538  goto done;
539  }
540 
541  if (p == 255)
542  vlib_cli_output (vm, "NAT64 sessions:");
543  else
544  vlib_cli_output (vm, "NAT64 %U sessions:", format_snat_protocol, proto);
545  /* *INDENT-OFF* */
546  vec_foreach (db, nm->db)
547  {
548  ctx.db = db;
549  nat64_db_st_walk (db, p, nat64_cli_st_walk, &ctx);
550  }
551  /* *INDENT-ON* */
552 
553 done:
554  unformat_free (line_input);
555 
556  return error;
557 }
558 
559 static clib_error_t *
561  vlib_cli_command_t * cmd)
562 {
563  vnet_main_t *vnm = vnet_get_main ();
564  clib_error_t *error = 0;
565  unformat_input_t _line_input, *line_input = &_line_input;
566  u8 is_add = 1;
567  u32 vrf_id = 0, sw_if_index = ~0;
569  u32 plen = 0;
570  int rv;
571 
572  if (!unformat_user (input, unformat_line_input, line_input))
573  return 0;
574 
575  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
576  {
577  if (unformat
578  (line_input, "%U/%u", unformat_ip6_address, &prefix, &plen))
579  ;
580  else if (unformat (line_input, "tenant-vrf %u", &vrf_id))
581  ;
582  else if (unformat (line_input, "del"))
583  is_add = 0;
584  else
585  if (unformat
586  (line_input, "interface %U", unformat_vnet_sw_interface, vnm,
587  &sw_if_index))
588  ;
589  else
590  {
591  error = clib_error_return (0, "unknown input: '%U'",
592  format_unformat_error, line_input);
593  goto done;
594  }
595  }
596 
597  if (!plen)
598  {
599  error = clib_error_return (0, "NAT64 prefix must be set.");
600  goto done;
601  }
602 
603  rv = nat64_add_del_prefix (&prefix, (u8) plen, vrf_id, is_add);
604 
605  switch (rv)
606  {
607  case VNET_API_ERROR_NO_SUCH_ENTRY:
608  error = clib_error_return (0, "NAT64 prefix not exist.");
609  goto done;
610  case VNET_API_ERROR_INVALID_VALUE:
611  error = clib_error_return (0, "Invalid prefix length.");
612  goto done;
613  default:
614  break;
615  }
616 
617  /*
618  * Add RX interface route, whenNAT isn't running on the real input
619  * interface
620  */
621  if (sw_if_index != ~0)
622  {
623  u32 fib_index;
624  fib_prefix_t fibpfx = {
625  .fp_len = plen,
626  .fp_proto = FIB_PROTOCOL_IP6,
627  .fp_addr = {
628  .ip6 = prefix}
629  };
630 
631  if (is_add)
632  {
633  fib_index =
635  vrf_id, FIB_SOURCE_PLUGIN_HI);
636  fib_table_entry_update_one_path (fib_index, &fibpfx,
640  sw_if_index, ~0, 0,
642  }
643  else
644  {
645  fib_index = fib_table_find (FIB_PROTOCOL_IP6, vrf_id);
646  fib_table_entry_path_remove (fib_index, &fibpfx,
649  sw_if_index, ~0, 1,
653  }
654  }
655 
656 done:
657  unformat_free (line_input);
658 
659  return error;
660 }
661 
662 static int
664 {
665  vlib_main_t *vm = ctx;
666 
667  vlib_cli_output (vm, " %U/%u tenant-vrf %u",
668  format_ip6_address, &p->prefix, p->plen, p->vrf_id);
669 
670  return 0;
671 }
672 
673 static clib_error_t *
675  unformat_input_t * input,
676  vlib_cli_command_t * cmd)
677 {
678  vlib_cli_output (vm, "NAT64 prefix:");
680 
681  return 0;
682 }
683 
684 static clib_error_t *
686  unformat_input_t * input,
687  vlib_cli_command_t * cmd)
688 {
689  vnet_main_t *vnm = vnet_get_main ();
690  unformat_input_t _line_input, *line_input = &_line_input;
692  int rv;
693  int is_add = 1;
694  clib_error_t *error = 0;
695 
696  /* Get a line of input. */
697  if (!unformat_user (input, unformat_line_input, line_input))
698  return 0;
699 
700  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
701  {
702  if (unformat
703  (line_input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index));
704  else if (unformat (line_input, "del"))
705  is_add = 0;
706  else
707  {
708  error = clib_error_return (0, "unknown input '%U'",
709  format_unformat_error, line_input);
710  goto done;
711  }
712  }
713 
714  rv = nat64_add_interface_address (sw_if_index, is_add);
715 
716  switch (rv)
717  {
718  case VNET_API_ERROR_NO_SUCH_ENTRY:
719  error = clib_error_return (0, "entry not exist");
720  break;
721  case VNET_API_ERROR_VALUE_EXIST:
722  error = clib_error_return (0, "entry exist");
723  break;
724  default:
725  break;
726  }
727 
728 done:
729  unformat_free (line_input);
730 
731  return error;
732 }
733 
734 /* *INDENT-OFF* */
735 
736 /*?
737  * @cliexpar
738  * @cliexstart{nat64 add pool address}
739  * Add/delete NAT64 pool address.
740  * To add single NAT64 pool address use:
741  * vpp# nat64 add pool address 10.1.1.10
742  * To add NAT64 pool address range use:
743  * vpp# nat64 add pool address 10.1.1.2 - 10.1.1.5
744  * To add NAT64 pool address for specific tenant use:
745  * vpp# nat64 add pool address 10.1.1.100 tenant-vrf 100
746  * @cliexend
747 ?*/
748 VLIB_CLI_COMMAND (nat64_add_pool_address_command, static) = {
749  .path = "nat64 add pool address",
750  .short_help = "nat64 add pool address <ip4-range-start> [- <ip4-range-end>] "
751  "[tenant-vrf <vrf-id>] [del]",
753 };
754 
755 /*?
756  * @cliexpar
757  * @cliexstart{show nat64 pool}
758  * Show NAT64 pool.
759  * vpp# show nat64 pool
760  * NAT64 pool:
761  * 10.1.1.3 tenant VRF: 0
762  * 10.1.1.10 tenant VRF: 10
763  * @cliexend
764 ?*/
765 VLIB_CLI_COMMAND (show_nat64_pool_command, static) = {
766  .path = "show nat64 pool",
767  .short_help = "show nat64 pool",
768  .function = nat64_show_pool_command_fn,
769 };
770 
771 /*?
772  * @cliexpar
773  * @cliexstart{set interface nat64}
774  * Enable/disable NAT64 feature on the interface.
775  * To enable NAT64 feature with local (IPv6) network interface
776  * GigabitEthernet0/8/0 and external (IPv4) network interface
777  * GigabitEthernet0/a/0 use:
778  * vpp# set interface nat64 in GigabitEthernet0/8/0 out GigabitEthernet0/a/0
779  * @cliexend
780 ?*/
781 VLIB_CLI_COMMAND (set_interface_nat64_command, static) = {
782  .path = "set interface nat64",
783  .short_help = "set interface nat64 in|out <intfc> [del]",
785 };
786 
787 /*?
788  * @cliexpar
789  * @cliexstart{show nat64 interfaces}
790  * Show interfaces with NAT64 feature.
791  * To show interfaces with NAT64 feature use:
792  * vpp# show nat64 interfaces
793  * NAT64 interfaces:
794  * GigabitEthernet0/8/0 in
795  * GigabitEthernet0/a/0 out
796  * @cliexend
797 ?*/
798 VLIB_CLI_COMMAND (show_nat64_interfaces_command, static) = {
799  .path = "show nat64 interfaces",
800  .short_help = "show nat64 interfaces",
802 };
803 
804 /*?
805  * @cliexpar
806  * @cliexstart{nat64 add static bib}
807  * Add/delete NAT64 static BIB entry.
808  * To create NAT64 satatic BIB entry use:
809  * vpp# nat64 add static bib 2001:db8:c000:221:: 1234 10.1.1.3 5678 tcp
810  * vpp# nat64 add static bib 2001:db8:c000:221:: 1234 10.1.1.3 5678 udp vrf 10
811  * @cliexend
812 ?*/
813 VLIB_CLI_COMMAND (nat64_add_del_static_bib_command, static) = {
814  .path = "nat64 add static bib",
815  .short_help = "nat64 add static bib <ip6-addr> <port> <ip4-addr> <port> "
816  "tcp|udp|icmp [vfr <table-id>] [del]",
818 };
819 
820 /*?
821  * @cliexpar
822  * @cliexstart{show nat64 bib}
823  * Show NAT64 BIB entries.
824  * To show NAT64 TCP BIB entries use:
825  * vpp# show nat64 bib tcp
826  * NAT64 tcp BIB:
827  * fd01:1::2 6303 10.0.0.3 62303 tcp vrf 0 dynamic 1 sessions
828  * 2001:db8:c000:221:: 1234 10.1.1.3 5678 tcp vrf 0 static 2 sessions
829  * To show NAT64 UDP BIB entries use:
830  * vpp# show nat64 bib udp
831  * NAT64 udp BIB:
832  * fd01:1::2 6304 10.0.0.3 10546 udp vrf 0 dynamic 10 sessions
833  * 2001:db8:c000:221:: 1234 10.1.1.3 5678 udp vrf 10 static 0 sessions
834  * To show NAT64 ICMP BIB entries use:
835  * vpp# show nat64 bib icmp
836  * NAT64 icmp BIB:
837  * fd01:1::2 6305 10.0.0.3 63209 icmp vrf 10 dynamic 1 sessions
838  * @cliexend
839 ?*/
840 VLIB_CLI_COMMAND (show_nat64_bib_command, static) = {
841  .path = "show nat64 bib",
842  .short_help = "show nat64 bib all|tcp|udp|icmp|unknown",
843  .function = nat64_show_bib_command_fn,
844 };
845 
846 /*?
847  * @cliexpar
848  * @cliexstart{show nat64 session table}
849  * Show NAT64 session table.
850  * To show NAT64 TCP session table use:
851  * vpp# show nat64 session table tcp
852  * NAT64 tcp session table:
853  * fd01:1::2 6303 64:ff9b::ac10:202 20 10.0.0.3 62303 172.16.2.2 20 tcp vrf 0
854  * fd01:3::2 6303 64:ff9b::ac10:202 20 10.0.10.3 21300 172.16.2.2 20 tcp vrf 10
855  * To show NAT64 UDP session table use:
856  * #vpp show nat64 session table udp
857  * NAT64 udp session table:
858  * fd01:1::2 6304 64:ff9b::ac10:202 20 10.0.0.3 10546 172.16.2.2 20 udp vrf 0
859  * fd01:3::2 6304 64:ff9b::ac10:202 20 10.0.10.3 58627 172.16.2.2 20 udp vrf 10
860  * fd01:1::2 1235 64:ff9b::a00:3 4023 10.0.0.3 24488 10.0.0.3 4023 udp vrf 0
861  * fd01:1::3 23 64:ff9b::a00:3 24488 10.0.0.3 4023 10.0.0.3 24488 udp vrf 0
862  * To show NAT64 ICMP session table use:
863  * #vpp show nat64 session table icmp
864  * NAT64 icmp session table:
865  * fd01:1::2 64:ff9b::ac10:202 6305 10.0.0.3 172.16.2.2 63209 icmp vrf 0
866  * @cliexend
867 ?*/
868 VLIB_CLI_COMMAND (show_nat64_st_command, static) = {
869  .path = "show nat64 session table",
870  .short_help = "show nat64 session table all|tcp|udp|icmp|unknown",
871  .function = nat64_show_st_command_fn,
872 };
873 
874 /*?
875  * @cliexpar
876  * @cliexstart{nat64 add prefix}
877  * Set NAT64 prefix for generating IPv6 representations of IPv4 addresses.
878  * To set NAT64 global prefix use:
879  * vpp# nat64 add prefix 2001:db8::/32
880  * To set NAT64 prefix for specific tenant use:
881  * vpp# nat64 add prefix 2001:db8:122:300::/56 tenant-vrf 10
882  * @cliexend
883 ?*/
884 VLIB_CLI_COMMAND (nat64_add_del_prefix_command, static) = {
885  .path = "nat64 add prefix",
886  .short_help = "nat64 add prefix <ip6-prefix>/<plen> [tenant-vrf <vrf-id>] "
887  "[del] [interface <interface]",
889 };
890 
891 /*?
892  * @cliexpar
893  * @cliexstart{show nat64 prefix}
894  * Show NAT64 prefix.
895  * To show NAT64 prefix use:
896  * vpp# show nat64 prefix
897  * NAT64 prefix:
898  * 2001:db8::/32 tenant-vrf 0
899  * 2001:db8:122:300::/56 tenant-vrf 10
900  * @cliexend
901 ?*/
902 VLIB_CLI_COMMAND (show_nat64_prefix_command, static) = {
903  .path = "show nat64 prefix",
904  .short_help = "show nat64 prefix",
905  .function = nat64_show_prefix_command_fn,
906 };
907 
908 /*?
909  * @cliexpar
910  * @cliexstart{nat64 add interface address}
911  * Add/delete NAT64 pool address from specific (DHCP addressed) interface.
912  * To add NAT64 pool address from specific interface use:
913  * vpp# nat64 add interface address GigabitEthernet0/8/0
914  * @cliexend
915 ?*/
916 VLIB_CLI_COMMAND (nat64_add_interface_address_command, static) = {
917  .path = "nat64 add interface address",
918  .short_help = "nat64 add interface address <interface> [del]",
920 };
921 /* *INDENT-ON* */
922 
923 /*
924  * fd.io coding-style-patch-verification: ON
925  *
926  * Local Variables:
927  * eval: (c-set-style "gnu")
928  * End:
929  */
static clib_error_t * nat64_show_bib_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat64_cli.c:411
nat64_db_t * db
BIB and session DB per thread.
Definition: nat64.h:83
static int nat64_cli_pool_walk(snat_address_t *ap, void *ctx)
Definition: nat64_cli.c:104
ip6_address_t prefix
Definition: nat64.h:49
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
static int nat64_cli_interface_walk(snat_interface_t *i, void *ctx)
Definition: nat64_cli.c:253
int nat64_add_del_interface(u32 sw_if_index, u8 is_inside, u8 is_add)
Enable/disable NAT64 feature on the interface.
Definition: nat64.c:419
#define NULL
Definition: clib.h:58
int nat64_add_del_pool_addr(ip4_address_t *addr, u32 vrf_id, u8 is_add)
Add/delete address to NAT64 pool.
Definition: nat64.c:283
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:525
int i
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:983
unformat_function_t unformat_vnet_sw_interface
A path that result in received traffic being recieved/recirculated so that it appears to have arrived...
Definition: fib_types.h:349
int nat64_add_interface_address(u32 sw_if_index, int is_add)
NAT64 pool address from specific (DHCP addressed) interface.
Definition: nat64.c:378
format_function_t format_vnet_sw_if_index_name
unsigned char u8
Definition: types.h:56
#define nat_interface_is_outside(i)
Check if NAT interface is outside.
Definition: nat.h:653
fib_node_index_t fib_table_entry_update_one_path(u32 fib_index, const fib_prefix_t *prefix, fib_source_t source, fib_entry_flag_t flags, dpo_proto_t next_hop_proto, const ip46_address_t *next_hop, u32 next_hop_sw_if_index, u32 next_hop_fib_index, u32 next_hop_weight, fib_mpls_label_t *next_hop_labels, fib_route_path_flags_t path_flags)
Update the entry to have just one path.
Definition: fib_table.c:772
static clib_error_t * nat64_add_del_pool_addr_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat64_cli.c:26
format_function_t format_ip4_address
Definition: format.h:75
unformat_function_t unformat_ip4_address
Definition: format.h:70
u32 sw_if_index
Definition: vxlan_gbp.api:37
A high priority source a plugin can use.
Definition: fib_entry.h:62
Aggregrate type for a prefix.
Definition: fib_types.h:203
#define clib_error_return(e, args...)
Definition: error.h:99
static int nat64_cli_bib_walk(nat64_db_bib_entry_t *bibe, void *ctx)
Definition: nat64_cli.c:377
unsigned int u32
Definition: types.h:88
static clib_error_t * nat64_add_interface_address_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat64_cli.c:685
u32 fib_table_find(fib_protocol_t proto, u32 table_id)
Get the index of the FIB for a Table-ID.
Definition: fib_table.c:1064
u16 fp_len
The mask length.
Definition: fib_types.h:207
Definition: fib_entry.h:275
unformat_function_t unformat_line_input
Definition: format.h:282
static clib_error_t * nat64_show_pool_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat64_cli.c:128
long ctx[MAX_CONNS]
Definition: main.c:144
struct _unformat_input_t unformat_input_t
unsigned short u16
Definition: types.h:57
#define nat_interface_is_inside(i)
Check if NAT interface is inside.
Definition: nat.h:647
void fib_table_unlock(u32 fib_index, fib_protocol_t proto, fib_source_t source)
Take a reference counting lock on the table.
Definition: fib_table.c:1237
unformat_function_t unformat_ip6_address
Definition: format.h:91
struct nat64_cli_st_walk_ctx_t_ nat64_cli_st_walk_ctx_t
#define UNFORMAT_END_OF_INPUT
Definition: format.h:144
static u8 snat_proto_to_ip_proto(snat_protocol_t snat_proto)
Definition: nat_inlines.h:41
void nat64_pool_addr_walk(nat64_pool_addr_walk_fn_t fn, void *ctx)
Walk NAT64 pool.
Definition: nat64.c:363
u32 ft_table_id
Table ID (hash key) for this FIB.
Definition: fib_table.h:89
format_function_t format_ip6_address
Definition: format.h:93
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:341
int nat64_add_del_prefix(ip6_address_t *prefix, u8 plen, u32 vrf_id, u8 is_add)
Add/delete NAT64 prefix.
Definition: nat64.c:967
static clib_error_t * nat64_add_del_static_bib_command_fn(vlib_main_t *vm, unformat_input_t()*input, vlib_cli_command_t *cmd)
Definition: nat64_cli.c:278
u32 sw_if_index
Definition: nat.h:358
nat64_main_t nat64_main
Definition: nat64.c:28
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:155
u32 vrf_id
Definition: nat64.h:51
unformat_function_t unformat_snat_protocol
Definition: nat.h:599
void nat64_db_st_walk(nat64_db_t *db, u8 proto, nat64_db_st_walk_fn_t fn, void *ctx)
Walk NAT64 session table.
Definition: nat64_db.c:322
u32 fib_table_find_or_create_and_lock(fib_protocol_t proto, u32 table_id, fib_source_t src)
Get the index of the FIB for a Table-ID.
Definition: fib_table.c:1123
nat64_db_bib_entry_t * nat64_db_bib_entry_by_index(nat64_db_t *db, u8 proto, u32 bibe_index)
Get BIB entry by index and protocol.
Definition: nat64_db.c:299
size_t count
Definition: vapi.c:47
format_function_t format_snat_protocol
Definition: nat.h:595
void fib_table_entry_path_remove(u32 fib_index, const fib_prefix_t *prefix, fib_source_t source, dpo_proto_t next_hop_proto, const ip46_address_t *next_hop, u32 next_hop_sw_if_index, u32 next_hop_fib_index, u32 next_hop_weight, fib_route_path_flags_t path_flags)
remove one path to an entry (aka route) in the FIB.
Definition: fib_table.c:682
ip4_address_t addr
Definition: nat.h:243
void nat64_prefix_walk(nat64_prefix_walk_fn_t fn, void *ctx)
Walk NAT64 prefixes.
Definition: nat64.c:1015
void nat64_interfaces_walk(nat64_interface_walk_fn_t fn, void *ctx)
Walk NAT64 interfaces.
Definition: nat64.c:503
static clib_error_t * nat64_interface_feature_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat64_cli.c:139
NAT64 global declarations.
void increment_v4_address(ip4_address_t *a)
Increment IPv4 address.
Definition: nat.c:600
static u32 ip_proto_to_snat_proto(u8 ip_proto)
The NAT inline functions.
Definition: nat_inlines.h:26
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
static void unformat_free(unformat_input_t *i)
Definition: format.h:162
static int nat64_cli_st_walk(nat64_db_st_entry_t *ste, void *arg)
Definition: nat64_cli.c:461
snat_protocol_t
Definition: nat.h:133
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:27
typedef prefix
Definition: ip_types.api:35
static clib_error_t * nat64_show_st_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat64_cli.c:512
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91
#define vec_foreach(var, vec)
Vector iterator.
static clib_error_t * nat64_add_del_prefix_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat64_cli.c:560
static int nat64_cli_prefix_walk(nat64_prefix_t *p, void *ctx)
Definition: nat64_cli.c:663
static clib_error_t * nat64_show_prefix_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat64_cli.c:674
void nat64_db_bib_walk(nat64_db_t *db, u8 proto, nat64_db_bib_walk_fn_t fn, void *ctx)
Walk NAT64 BIB.
Definition: nat64_db.c:248
int nat64_add_del_static_bib_entry(ip6_address_t *in_addr, ip4_address_t *out_addr, u16 in_port, u16 out_port, u8 proto, u32 vrf_id, u8 is_add)
Add/delete static NAT64 BIB entry.
Definition: nat64.c:649
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:725
u32 fib_index
Definition: nat.h:244
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:972
static clib_error_t * nat64_show_interfaces_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: nat64_cli.c:267
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:170
A protocol Independent FIB table.
Definition: fib_table.h:69