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Vector Packet Processing
l2_bd.c
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1 /*
2  * l2_bd.c : layer 2 bridge domain
3  *
4  * Copyright (c) 2013 Cisco and/or its affiliates.
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #include <vlib/vlib.h>
19 #include <vnet/vnet.h>
20 #include <vlib/cli.h>
21 #include <vnet/ethernet/ethernet.h>
22 #include <vnet/ip/format.h>
23 #include <vnet/l2/l2_input.h>
24 #include <vnet/l2/feat_bitmap.h>
25 #include <vnet/l2/l2_bd.h>
26 #include <vnet/l2/l2_learn.h>
27 #include <vnet/l2/l2_fib.h>
28 #include <vnet/l2/l2_vtr.h>
29 #include <vnet/ip/ip4_packet.h>
30 #include <vnet/ip/ip6_packet.h>
31 
32 #include <vppinfra/error.h>
33 #include <vppinfra/hash.h>
34 #include <vppinfra/vec.h>
35 
36 /**
37  * @file
38  * @brief Ethernet Bridge Domain.
39  *
40  * Code in this file manages Layer 2 bridge domains.
41  *
42  */
43 
45 
46 /**
47  Init bridge domain if not done already.
48  For feature bitmap, set all bits except ARP termination
49 */
50 void
52 {
53  if (bd_is_valid (bd_config))
54  return;
55  bd_config->feature_bitmap = ~(L2INPUT_FEAT_ARP_TERM | L2INPUT_FEAT_UU_FWD);
56  bd_config->bvi_sw_if_index = ~0;
57  bd_config->uu_fwd_sw_if_index = ~0;
58  bd_config->members = 0;
59  bd_config->flood_count = 0;
60  bd_config->tun_master_count = 0;
61  bd_config->tun_normal_count = 0;
62  bd_config->no_flood_count = 0;
63  bd_config->mac_by_ip4 = 0;
64  bd_config->mac_by_ip6 = hash_create_mem (0, sizeof (ip6_address_t),
65  sizeof (uword));
66 }
67 
68 u32
70 {
71  u32 *p = (u32 *) hash_get (bdm->bd_index_by_bd_id, bd_id);
72  if (!p)
73  return ~0;
74  return p[0];
75 }
76 
77 u32
79 {
80  ASSERT (!hash_get (bdm->bd_index_by_bd_id, bd_id));
82 
83  /* mark this index taken */
84  bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap, rv, 1);
85 
86  hash_set (bdm->bd_index_by_bd_id, bd_id, rv);
87 
90 
91  return rv;
92 }
93 
94 static inline void
96 {
97  u64 mac_addr;
98  ip6_address_t *ip6_addr_key;
99 
100  hash_free (bd->mac_by_ip4);
101  /* *INDENT-OFF* */
102  hash_foreach_mem (ip6_addr_key, mac_addr, bd->mac_by_ip6,
103  ({
104  clib_mem_free (ip6_addr_key); /* free memory used for ip6 addr key */
105  }));
106  /* *INDENT-ON* */
107  hash_free (bd->mac_by_ip6);
108 }
109 
110 static int
111 bd_delete (bd_main_t * bdm, u32 bd_index)
112 {
113  l2_bridge_domain_t *bd = &l2input_main.bd_configs[bd_index];
114  u32 bd_id = bd->bd_id;
115 
116  /* flush non-static MACs in BD and removed bd_id from hash table */
117  l2fib_flush_bd_mac (vlib_get_main (), bd_index);
118  hash_unset (bdm->bd_index_by_bd_id, bd_id);
119 
120  /* mark this index clear */
121  bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap, bd_index, 0);
122 
123  /* clear BD config for reuse: bd_id to -1 and clear feature_bitmap */
124  bd->bd_id = ~0;
125  bd->feature_bitmap = 0;
126 
127  /* free BD tag */
128  vec_free (bd->bd_tag);
129 
130  /* free memory used by BD */
131  vec_free (bd->members);
133 
134  return 0;
135 }
136 
137 static void
139 {
140  bd_config->flood_count = (vec_len (bd_config->members) -
141  (bd_config->tun_master_count ?
142  bd_config->tun_normal_count : 0));
143  bd_config->flood_count -= bd_config->no_flood_count;
144 }
145 
146 void
148 {
149  u32 ix = 0;
151  (vnet_get_main (), member->sw_if_index);
152 
153  /*
154  * Add one element to the vector
155  * vector is ordered [ bvi, normal/tun_masters..., tun_normals... no_flood]
156  * When flooding, the bvi interface (if present) must be the last member
157  * processed due to how BVI processing can change the packet. To enable
158  * this order, we make the bvi interface the first in the vector and
159  * flooding walks the vector in reverse. The flood-count determines where
160  * in the member list to start the walk from.
161  */
162  switch (sw_if->flood_class)
163  {
165  bd_config->no_flood_count++;
166  ix = vec_len (bd_config->members);
167  break;
169  ix = 0;
170  break;
172  bd_config->tun_master_count++;
173  /* Fall through */
175  ix = (vec_len (bd_config->members) -
176  bd_config->tun_normal_count - bd_config->no_flood_count);
177  break;
179  ix = (vec_len (bd_config->members) - bd_config->no_flood_count);
180  bd_config->tun_normal_count++;
181  break;
182  }
183 
184  vec_insert_elts (bd_config->members, member, 1, ix);
185  update_flood_count (bd_config);
186 }
187 
188 #define BD_REMOVE_ERROR_OK 0
189 #define BD_REMOVE_ERROR_NOT_FOUND 1
190 
191 u32
193 {
194  u32 ix;
195 
196  /* Find and delete the member */
197  vec_foreach_index (ix, bd_config->members)
198  {
199  l2_flood_member_t *m = vec_elt_at_index (bd_config->members, ix);
200  if (m->sw_if_index == sw_if_index)
201  {
203  (vnet_get_main (), sw_if_index);
204 
205  if (sw_if->flood_class != VNET_FLOOD_CLASS_NORMAL)
206  {
208  bd_config->tun_master_count--;
209  else if (sw_if->flood_class == VNET_FLOOD_CLASS_TUNNEL_NORMAL)
210  bd_config->tun_normal_count--;
211  else if (sw_if->flood_class == VNET_FLOOD_CLASS_NO_FLOOD)
212  bd_config->no_flood_count--;
213  }
214  vec_delete (bd_config->members, 1, ix);
215  update_flood_count (bd_config);
216 
217  return BD_REMOVE_ERROR_OK;
218  }
219  }
220 
222 }
223 
224 
225 clib_error_t *
227 {
228  bd_main_t *bdm = &bd_main;
229  bdm->bd_index_by_bd_id = hash_create (0, sizeof (uword));
230  /*
231  * create a dummy bd with bd_id of 0 and bd_index of 0 with feature set
232  * to packet drop only. Thus, packets received from any L2 interface with
233  * uninitialized bd_index of 0 can be dropped safely.
234  */
235  u32 bd_index = bd_add_bd_index (bdm, 0);
236  ASSERT (bd_index == 0);
237  l2input_main.bd_configs[0].feature_bitmap = L2INPUT_FEAT_DROP;
238 
239  bdm->vlib_main = vm;
240  return 0;
241 }
242 
244 
245 
246 /**
247  Set the learn/forward/flood flags for the bridge domain.
248  Return 0 if ok, non-zero if for an error.
249 */
250 u32
252 {
253 
254  l2_bridge_domain_t *bd_config = l2input_bd_config (bd_index);
255  bd_validate (bd_config);
256  u32 feature_bitmap = 0;
257 
258  if (flags & L2_LEARN)
259  {
260  feature_bitmap |= L2INPUT_FEAT_LEARN;
261  }
262  if (flags & L2_FWD)
263  {
264  feature_bitmap |= L2INPUT_FEAT_FWD;
265  }
266  if (flags & L2_FLOOD)
267  {
268  feature_bitmap |= L2INPUT_FEAT_FLOOD;
269  }
270  if (flags & L2_UU_FLOOD)
271  {
272  feature_bitmap |= L2INPUT_FEAT_UU_FLOOD;
273  }
274  if (flags & L2_ARP_TERM)
275  {
276  feature_bitmap |= L2INPUT_FEAT_ARP_TERM;
277  }
278 
279  if (enable)
280  {
281  bd_config->feature_bitmap |= feature_bitmap;
282  }
283  else
284  {
285  bd_config->feature_bitmap &= ~feature_bitmap;
286  }
287 
288  return bd_config->feature_bitmap;
289 }
290 
291 /**
292  Set the mac age for the bridge domain.
293 */
294 void
295 bd_set_mac_age (vlib_main_t * vm, u32 bd_index, u8 age)
296 {
297  l2_bridge_domain_t *bd_config;
298  int enable = 0;
299 
301  bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
302  bd_config->mac_age = age;
303 
304  /* check if there is at least one bd with mac aging enabled */
305  vec_foreach (bd_config, l2input_main.bd_configs)
306  enable |= bd_config->bd_id != ~0 && bd_config->mac_age != 0;
307 
311 }
312 
313 /**
314  Set the tag for the bridge domain.
315 */
316 
317 static void
318 bd_set_bd_tag (vlib_main_t * vm, u32 bd_index, u8 * bd_tag)
319 {
320  u8 *old;
321  l2_bridge_domain_t *bd_config;
323  bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
324 
325  old = bd_config->bd_tag;
326 
327  if (bd_tag[0])
328  {
329  bd_config->bd_tag = format (0, "%s%c", bd_tag, 0);
330  }
331  else
332  {
333  bd_config->bd_tag = NULL;
334  }
335 
336  vec_free (old);
337 }
338 
339 /**
340  Set bridge-domain learn enable/disable.
341  The CLI format is:
342  set bridge-domain learn <bd_id> [disable]
343 */
344 static clib_error_t *
346  unformat_input_t * input, vlib_cli_command_t * cmd)
347 {
348  bd_main_t *bdm = &bd_main;
349  clib_error_t *error = 0;
350  u32 bd_index, bd_id;
351  u32 enable;
352  uword *p;
353 
354  if (!unformat (input, "%d", &bd_id))
355  {
356  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
357  format_unformat_error, input);
358  goto done;
359  }
360 
361  if (bd_id == 0)
362  return clib_error_return (0,
363  "No operations on the default bridge domain are supported");
364 
365  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
366 
367  if (p == 0)
368  return clib_error_return (0, "No such bridge domain %d", bd_id);
369 
370  bd_index = p[0];
371 
372  enable = 1;
373  if (unformat (input, "disable"))
374  {
375  enable = 0;
376  }
377 
378  /* set the bridge domain flag */
379  bd_set_flags (vm, bd_index, L2_LEARN, enable);
380 
381 done:
382  return error;
383 }
384 
385 /*?
386  * Layer 2 learning can be enabled and disabled on each
387  * interface and on each bridge-domain. Use this command to
388  * manage bridge-domains. It is enabled by default.
389  *
390  * @cliexpar
391  * Example of how to enable learning (where 200 is the bridge-domain-id):
392  * @cliexcmd{set bridge-domain learn 200}
393  * Example of how to disable learning (where 200 is the bridge-domain-id):
394  * @cliexcmd{set bridge-domain learn 200 disable}
395 ?*/
396 /* *INDENT-OFF* */
397 VLIB_CLI_COMMAND (bd_learn_cli, static) = {
398  .path = "set bridge-domain learn",
399  .short_help = "set bridge-domain learn <bridge-domain-id> [disable]",
400  .function = bd_learn,
401 };
402 /* *INDENT-ON* */
403 
404 /**
405  Set bridge-domain forward enable/disable.
406  The CLI format is:
407  set bridge-domain forward <bd_index> [disable]
408 */
409 static clib_error_t *
411 {
412  bd_main_t *bdm = &bd_main;
413  clib_error_t *error = 0;
414  u32 bd_index, bd_id;
415  u32 enable;
416  uword *p;
417 
418  if (!unformat (input, "%d", &bd_id))
419  {
420  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
421  format_unformat_error, input);
422  goto done;
423  }
424 
425  if (bd_id == 0)
426  return clib_error_return (0,
427  "No operations on the default bridge domain are supported");
428 
429  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
430 
431  if (p == 0)
432  return clib_error_return (0, "No such bridge domain %d", bd_id);
433 
434  bd_index = p[0];
435 
436  enable = 1;
437  if (unformat (input, "disable"))
438  {
439  enable = 0;
440  }
441 
442  /* set the bridge domain flag */
443  bd_set_flags (vm, bd_index, L2_FWD, enable);
444 
445 done:
446  return error;
447 }
448 
449 
450 /*?
451  * Layer 2 unicast forwarding can be enabled and disabled on each
452  * interface and on each bridge-domain. Use this command to
453  * manage bridge-domains. It is enabled by default.
454  *
455  * @cliexpar
456  * Example of how to enable forwarding (where 200 is the bridge-domain-id):
457  * @cliexcmd{set bridge-domain forward 200}
458  * Example of how to disable forwarding (where 200 is the bridge-domain-id):
459  * @cliexcmd{set bridge-domain forward 200 disable}
460 ?*/
461 /* *INDENT-OFF* */
462 VLIB_CLI_COMMAND (bd_fwd_cli, static) = {
463  .path = "set bridge-domain forward",
464  .short_help = "set bridge-domain forward <bridge-domain-id> [disable]",
465  .function = bd_fwd,
466 };
467 /* *INDENT-ON* */
468 
469 /**
470  Set bridge-domain flood enable/disable.
471  The CLI format is:
472  set bridge-domain flood <bd_index> [disable]
473 */
474 static clib_error_t *
476  unformat_input_t * input, vlib_cli_command_t * cmd)
477 {
478  bd_main_t *bdm = &bd_main;
479  clib_error_t *error = 0;
480  u32 bd_index, bd_id;
481  u32 enable;
482  uword *p;
483 
484  if (!unformat (input, "%d", &bd_id))
485  {
486  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
487  format_unformat_error, input);
488  goto done;
489  }
490 
491  if (bd_id == 0)
492  return clib_error_return (0,
493  "No operations on the default bridge domain are supported");
494 
495  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
496 
497  if (p == 0)
498  return clib_error_return (0, "No such bridge domain %d", bd_id);
499 
500  bd_index = p[0];
501 
502  enable = 1;
503  if (unformat (input, "disable"))
504  {
505  enable = 0;
506  }
507 
508  /* set the bridge domain flag */
509  bd_set_flags (vm, bd_index, L2_FLOOD, enable);
510 
511 done:
512  return error;
513 }
514 
515 /*?
516  * Layer 2 flooding can be enabled and disabled on each
517  * interface and on each bridge-domain. Use this command to
518  * manage bridge-domains. It is enabled by default.
519  *
520  * @cliexpar
521  * Example of how to enable flooding (where 200 is the bridge-domain-id):
522  * @cliexcmd{set bridge-domain flood 200}
523  * Example of how to disable flooding (where 200 is the bridge-domain-id):
524  * @cliexcmd{set bridge-domain flood 200 disable}
525 ?*/
526 /* *INDENT-OFF* */
527 VLIB_CLI_COMMAND (bd_flood_cli, static) = {
528  .path = "set bridge-domain flood",
529  .short_help = "set bridge-domain flood <bridge-domain-id> [disable]",
530  .function = bd_flood,
531 };
532 /* *INDENT-ON* */
533 
534 /**
535  Set bridge-domain unknown-unicast flood enable/disable.
536  The CLI format is:
537  set bridge-domain uu-flood <bd_index> [disable]
538 */
539 static clib_error_t *
541  unformat_input_t * input, vlib_cli_command_t * cmd)
542 {
543  bd_main_t *bdm = &bd_main;
544  clib_error_t *error = 0;
545  u32 bd_index, bd_id;
546  u32 enable;
547  uword *p;
548 
549  if (!unformat (input, "%d", &bd_id))
550  {
551  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
552  format_unformat_error, input);
553  goto done;
554  }
555 
556  if (bd_id == 0)
557  return clib_error_return (0,
558  "No operations on the default bridge domain are supported");
559 
560  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
561 
562  if (p == 0)
563  return clib_error_return (0, "No such bridge domain %d", bd_id);
564 
565  bd_index = p[0];
566 
567  enable = 1;
568  if (unformat (input, "disable"))
569  {
570  enable = 0;
571  }
572 
573  /* set the bridge domain flag */
574  bd_set_flags (vm, bd_index, L2_UU_FLOOD, enable);
575 
576 done:
577  return error;
578 }
579 
580 /*?
581  * Layer 2 unknown-unicast flooding can be enabled and disabled on each
582  * bridge-domain. It is enabled by default.
583  *
584  * @cliexpar
585  * Example of how to enable unknown-unicast flooding (where 200 is the
586  * bridge-domain-id):
587  * @cliexcmd{set bridge-domain uu-flood 200}
588  * Example of how to disable unknown-unicast flooding (where 200 is the bridge-domain-id):
589  * @cliexcmd{set bridge-domain uu-flood 200 disable}
590 ?*/
591 /* *INDENT-OFF* */
592 VLIB_CLI_COMMAND (bd_uu_flood_cli, static) = {
593  .path = "set bridge-domain uu-flood",
594  .short_help = "set bridge-domain uu-flood <bridge-domain-id> [disable]",
595  .function = bd_uu_flood,
596 };
597 /* *INDENT-ON* */
598 
599 /**
600  Set bridge-domain arp term enable/disable.
601  The CLI format is:
602  set bridge-domain arp term <bridge-domain-id> [disable]
603 */
604 static clib_error_t *
606  unformat_input_t * input, vlib_cli_command_t * cmd)
607 {
608  bd_main_t *bdm = &bd_main;
609  clib_error_t *error = 0;
610  u32 bd_index, bd_id;
611  u32 enable;
612  uword *p;
613 
614  if (!unformat (input, "%d", &bd_id))
615  {
616  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
617  format_unformat_error, input);
618  goto done;
619  }
620 
621  if (bd_id == 0)
622  return clib_error_return (0,
623  "No operations on the default bridge domain are supported");
624 
625  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
626  if (p)
627  bd_index = *p;
628  else
629  return clib_error_return (0, "No such bridge domain %d", bd_id);
630 
631  enable = 1;
632  if (unformat (input, "disable"))
633  enable = 0;
634 
635  /* set the bridge domain flag */
636  bd_set_flags (vm, bd_index, L2_ARP_TERM, enable);
637 
638 done:
639  return error;
640 }
641 
642 static clib_error_t *
644  unformat_input_t * input, vlib_cli_command_t * cmd)
645 {
646  bd_main_t *bdm = &bd_main;
647  clib_error_t *error = 0;
648  u32 bd_index, bd_id;
649  u32 age;
650  uword *p;
651 
652  if (!unformat (input, "%d", &bd_id))
653  {
654  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
655  format_unformat_error, input);
656  goto done;
657  }
658 
659  if (bd_id == 0)
660  return clib_error_return (0,
661  "No operations on the default bridge domain are supported");
662 
663  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
664 
665  if (p == 0)
666  return clib_error_return (0, "No such bridge domain %d", bd_id);
667 
668  bd_index = p[0];
669 
670  if (!unformat (input, "%u", &age))
671  {
672  error =
673  clib_error_return (0, "expecting ageing time in minutes but got `%U'",
674  format_unformat_error, input);
675  goto done;
676  }
677 
678  /* set the bridge domain flag */
679  if (age > 255)
680  {
681  error =
682  clib_error_return (0, "mac aging time cannot be bigger than 255");
683  goto done;
684  }
685  bd_set_mac_age (vm, bd_index, (u8) age);
686 
687 done:
688  return error;
689 }
690 
691 /*?
692  * Layer 2 mac aging can be enabled and disabled on each
693  * bridge-domain. Use this command to set or disable mac aging
694  * on specific bridge-domains. It is disabled by default.
695  *
696  * @cliexpar
697  * Example of how to set mac aging (where 200 is the bridge-domain-id and
698  * 5 is aging time in minutes):
699  * @cliexcmd{set bridge-domain mac-age 200 5}
700  * Example of how to disable mac aging (where 200 is the bridge-domain-id):
701  * @cliexcmd{set bridge-domain flood 200 0}
702 ?*/
703 /* *INDENT-OFF* */
704 VLIB_CLI_COMMAND (bd_mac_age_cli, static) = {
705  .path = "set bridge-domain mac-age",
706  .short_help = "set bridge-domain mac-age <bridge-domain-id> <mins>",
707  .function = bd_mac_age,
708 };
709 /* *INDENT-ON* */
710 
711 /*?
712  * Modify whether or not an existing bridge-domain should terminate and respond
713  * to ARP Requests. ARP Termination is disabled by default.
714  *
715  * @cliexpar
716  * Example of how to enable ARP termination (where 200 is the bridge-domain-id):
717  * @cliexcmd{set bridge-domain arp term 200}
718  * Example of how to disable ARP termination (where 200 is the bridge-domain-id):
719  * @cliexcmd{set bridge-domain arp term 200 disable}
720 ?*/
721 /* *INDENT-OFF* */
722 VLIB_CLI_COMMAND (bd_arp_term_cli, static) = {
723  .path = "set bridge-domain arp term",
724  .short_help = "set bridge-domain arp term <bridge-domain-id> [disable]",
725  .function = bd_arp_term,
726 };
727 /* *INDENT-ON* */
728 
729 
730 /**
731  * Add/delete IP address to MAC address mapping.
732  *
733  * The clib hash implementation stores uword entries in the hash table.
734  * The hash table mac_by_ip4 is keyed via IP4 address and store the
735  * 6-byte MAC address directly in the hash table entry uword.
736  *
737  * @warning This only works for 64-bit processor with 8-byte uword;
738  * which means this code *WILL NOT WORK* for a 32-bit processor with
739  * 4-byte uword.
740  */
741 u32
743  ip46_type_t type,
744  const ip46_address_t * ip,
745  const mac_address_t * mac, u8 is_add)
746 {
747  l2_bridge_domain_t *bd_cfg = l2input_bd_config (bd_index);
748  u64 new_mac = mac_address_as_u64 (mac);
749  u64 *old_mac;
750 
751  /* make sure uword is 8 bytes */
752  ASSERT (sizeof (uword) == sizeof (u64));
753  ASSERT (bd_is_valid (bd_cfg));
754 
755  if (IP46_TYPE_IP6 == type)
756  {
757  ip6_address_t *ip6_addr_key;
758  hash_pair_t *hp;
759  old_mac = (u64 *) hash_get_mem (bd_cfg->mac_by_ip6, &ip->ip6);
760  if (is_add)
761  {
762  if (old_mac == NULL)
763  {
764  /* new entry - allocate and create ip6 address key */
765  ip6_addr_key = clib_mem_alloc (sizeof (ip6_address_t));
766  clib_memcpy (ip6_addr_key, &ip->ip6, sizeof (ip6_address_t));
767  }
768  else if (*old_mac == new_mac)
769  {
770  /* same mac entry already exist for ip6 address */
771  return 0;
772  }
773  else
774  {
775  /* update mac for ip6 address */
776  hp = hash_get_pair (bd_cfg->mac_by_ip6, &ip->ip6);
777  ip6_addr_key = (ip6_address_t *) hp->key;
778  }
779  hash_set_mem (bd_cfg->mac_by_ip6, ip6_addr_key, new_mac);
780  }
781  else
782  {
783  if (old_mac && (*old_mac == new_mac))
784  {
785  hp = hash_get_pair (bd_cfg->mac_by_ip6, &ip->ip6);
786  ip6_addr_key = (ip6_address_t *) hp->key;
787  hash_unset_mem (bd_cfg->mac_by_ip6, &ip->ip6);
788  clib_mem_free (ip6_addr_key);
789  }
790  else
791  return 1;
792  }
793  }
794  else
795  {
796  old_mac = (u64 *) hash_get (bd_cfg->mac_by_ip4, ip->ip4.as_u32);
797  if (is_add)
798  {
799  if (old_mac && (*old_mac == new_mac))
800  /* mac entry already exist */
801  return 0;
802  hash_set (bd_cfg->mac_by_ip4, ip->ip4.as_u32, new_mac);
803  }
804  else
805  {
806  if (old_mac && (*old_mac == new_mac))
807  hash_unset (bd_cfg->mac_by_ip4, ip->ip4.as_u32);
808  else
809  return 1;
810  }
811  }
812  return 0;
813 }
814 
815 /**
816  * Flush IP address to MAC address mapping tables in a BD.
817  */
818 void
820 {
821  l2_bridge_domain_t *bd = l2input_bd_config (bd_index);
822  ASSERT (bd_is_valid (bd));
824  bd->mac_by_ip4 = 0;
825  bd->mac_by_ip6 =
826  hash_create_mem (0, sizeof (ip6_address_t), sizeof (uword));
827 }
828 
829 /**
830  Set bridge-domain arp entry add/delete.
831  The CLI format is:
832  set bridge-domain arp entry <bridge-domain-id> <ip-addr> <mac-addr> [del]
833 */
834 static clib_error_t *
836  unformat_input_t * input, vlib_cli_command_t * cmd)
837 {
838  ip46_address_t ip_addr = ip46_address_initializer;
839  ip46_type_t type = IP46_TYPE_IP4;
840  bd_main_t *bdm = &bd_main;
841  clib_error_t *error = 0;
842  u32 bd_index, bd_id;
844  u8 is_add = 1;
845  uword *p;
846 
847  if (!unformat (input, "%d", &bd_id))
848  {
849  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
850  format_unformat_error, input);
851  goto done;
852  }
853 
854  if (bd_id == 0)
855  return clib_error_return (0,
856  "No operations on the default bridge domain are supported");
857 
858  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
859 
860  if (p)
861  bd_index = *p;
862  else
863  return clib_error_return (0, "No such bridge domain %d", bd_id);
864 
865  if (unformat (input, "%U", unformat_ip4_address, &ip_addr.ip4))
866  {
867  type = IP46_TYPE_IP4;
868  }
869  else if (unformat (input, "%U", unformat_ip6_address, &ip_addr.ip6))
870  {
871  type = IP46_TYPE_IP6;
872  }
873  else if (unformat (input, "del-all"))
874  {
875  bd_flush_ip_mac (bd_index);
876  goto done;
877  }
878  else
879  {
880  error = clib_error_return (0, "expecting IP address but got `%U'",
881  format_unformat_error, input);
882  goto done;
883  }
884 
885  if (!unformat (input, "%U", unformat_mac_address_t, &mac))
886  {
887  error = clib_error_return (0, "expecting MAC address but got `%U'",
888  format_unformat_error, input);
889  goto done;
890  }
891 
892  if (unformat (input, "del"))
893  {
894  is_add = 0;
895  }
896 
897  /* set the bridge domain flagAdd IP-MAC entry into bridge domain */
898  if (bd_add_del_ip_mac (bd_index, type, &ip_addr, &mac, is_add))
899  {
900  error = clib_error_return (0, "MAC %s for IP %U and MAC %U failed",
901  is_add ? "add" : "del",
903  format_mac_address_t, &mac);
904  }
905 
906 done:
907  return error;
908 }
909 
910 /*?
911  * Add an ARP entry to an existing bridge-domain.
912  *
913  * @cliexpar
914  * Example of how to add an ARP entry (where 200 is the bridge-domain-id):
915  * @cliexcmd{set bridge-domain arp entry 200 192.168.72.45 52:54:00:3b:83:1a}
916  * Example of how to delete an ARP entry (where 200 is the bridge-domain-id):
917  * @cliexcmd{set bridge-domain arp entry 200 192.168.72.45 52:54:00:3b:83:1a del}
918 ?*/
919 /* *INDENT-OFF* */
920 VLIB_CLI_COMMAND (bd_arp_entry_cli, static) = {
921  .path = "set bridge-domain arp entry",
922  .short_help = "set bridge-domain arp entry <bridge-domain-id> [<ip-addr> <mac-addr> [del] | del-all]",
923  .function = bd_arp_entry,
924 };
925 /* *INDENT-ON* */
926 
927 static u8 *
928 format_vtr (u8 * s, va_list * args)
929 {
930  u32 vtr_op = va_arg (*args, u32);
931  u32 dot1q = va_arg (*args, u32);
932  u32 tag1 = va_arg (*args, u32);
933  u32 tag2 = va_arg (*args, u32);
934  switch (vtr_op)
935  {
936  case L2_VTR_DISABLED:
937  return format (s, "none");
938  case L2_VTR_PUSH_1:
939  return format (s, "push-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
940  case L2_VTR_PUSH_2:
941  return format (s, "push-2 %s %d %d", dot1q ? "dot1q" : "dot1ad", tag1,
942  tag2);
943  case L2_VTR_POP_1:
944  return format (s, "pop-1");
945  case L2_VTR_POP_2:
946  return format (s, "pop-2");
948  return format (s, "trans-1-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
950  return format (s, "trans-1-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
951  tag1, tag2);
953  return format (s, "trans-2-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
955  return format (s, "trans-2-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
956  tag1, tag2);
957  default:
958  return format (s, "none");
959  }
960 }
961 
962 static u8 *
963 format_uu_cfg (u8 * s, va_list * args)
964 {
965  l2_bridge_domain_t *bd_config = va_arg (*args, l2_bridge_domain_t *);
966 
967  if (bd_config->feature_bitmap & L2INPUT_FEAT_UU_FWD)
969  vnet_get_main (), bd_config->uu_fwd_sw_if_index));
970  else if (bd_config->feature_bitmap & L2INPUT_FEAT_UU_FLOOD)
971  return (format (s, "flood"));
972  else
973  return (format (s, "drop"));
974 }
975 
976 /**
977  Show bridge-domain state.
978  The CLI format is:
979  show bridge-domain [<bd_index>]
980 */
981 static clib_error_t *
983 {
984  vnet_main_t *vnm = vnet_get_main ();
985  bd_main_t *bdm = &bd_main;
986  clib_error_t *error = 0;
987  u32 bd_index = ~0;
988  l2_bridge_domain_t *bd_config;
989  u32 start, end;
990  u32 detail = 0;
991  u32 intf = 0;
992  u32 arp = 0;
993  u32 bd_tag = 0;
994  u32 bd_id = ~0;
995  uword *p;
996 
997  start = 1;
999 
1000  if (unformat (input, "%d", &bd_id))
1001  {
1002  if (unformat (input, "detail"))
1003  detail = 1;
1004  else if (unformat (input, "det"))
1005  detail = 1;
1006  if (unformat (input, "int"))
1007  intf = 1;
1008  if (unformat (input, "arp"))
1009  arp = 1;
1010  if (unformat (input, "bd-tag"))
1011  bd_tag = 1;
1012 
1013  if (bd_id == 0)
1014  return clib_error_return (0,
1015  "No operations on the default bridge domain are supported");
1016 
1017  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
1018  if (p)
1019  bd_index = *p;
1020  else
1021  return clib_error_return (0, "No such bridge domain %d", bd_id);
1022 
1023  vec_validate (l2input_main.bd_configs, bd_index);
1024  bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
1025  if (bd_is_valid (bd_config))
1026  {
1027  start = bd_index;
1028  end = start + 1;
1029  }
1030  else
1031  {
1032  vlib_cli_output (vm, "bridge-domain %d not in use", bd_id);
1033  goto done;
1034  }
1035  }
1036 
1037  /* Show all bridge-domains that have been initialized */
1038  u32 printed = 0;
1039  u8 *as = 0;
1040  for (bd_index = start; bd_index < end; bd_index++)
1041  {
1042  bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
1043  if (bd_is_valid (bd_config))
1044  {
1045  if (!printed)
1046  {
1047  printed = 1;
1048  vlib_cli_output (vm,
1049  "%=8s %=7s %=4s %=9s %=9s %=9s %=11s %=9s %=9s %=11s",
1050  "BD-ID", "Index", "BSN", "Age(min)",
1051  "Learning", "U-Forwrd", "UU-Flood",
1052  "Flooding", "ARP-Term", "BVI-Intf");
1053  }
1054 
1055  if (bd_config->mac_age)
1056  as = format (as, "%d", bd_config->mac_age);
1057  else
1058  as = format (as, "off");
1059  vlib_cli_output (vm,
1060  "%=8d %=7d %=4d %=9v %=9s %=9s %=11U %=9s %=9s %=11U",
1061  bd_config->bd_id, bd_index, bd_config->seq_num, as,
1062  bd_config->feature_bitmap & L2INPUT_FEAT_LEARN ?
1063  "on" : "off",
1064  bd_config->feature_bitmap & L2INPUT_FEAT_FWD ?
1065  "on" : "off",
1066  format_uu_cfg, bd_config,
1067  bd_config->feature_bitmap & L2INPUT_FEAT_FLOOD ?
1068  "on" : "off",
1069  bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM ?
1070  "on" : "off",
1072  vnm, bd_config->bvi_sw_if_index);
1073  vec_reset_length (as);
1074 
1075  if (detail || intf)
1076  {
1077  /* Show all member interfaces */
1078  int i;
1079  vec_foreach_index (i, bd_config->members)
1080  {
1081  l2_flood_member_t *member =
1082  vec_elt_at_index (bd_config->members, i);
1083  u8 swif_seq_num = *l2fib_swif_seq_num (member->sw_if_index);
1084  u32 vtr_opr, dot1q, tag1, tag2;
1085  if (i == 0)
1086  {
1087  vlib_cli_output (vm, "\n%=30s%=7s%=5s%=5s%=5s%=9s%=30s",
1088  "Interface", "If-idx", "ISN", "SHG",
1089  "BVI", "TxFlood", "VLAN-Tag-Rewrite");
1090  }
1091  l2vtr_get (vm, vnm, member->sw_if_index, &vtr_opr, &dot1q,
1092  &tag1, &tag2);
1093  vlib_cli_output (vm, "%=30U%=7d%=5d%=5d%=5s%=9s%=30U",
1095  member->sw_if_index, member->sw_if_index,
1096  swif_seq_num, member->shg,
1097  member->flags & L2_FLOOD_MEMBER_BVI ? "*" :
1098  "-", i < bd_config->flood_count ? "*" : "-",
1099  format_vtr, vtr_opr, dot1q, tag1, tag2);
1100  }
1101  if (~0 != bd_config->uu_fwd_sw_if_index)
1102  vlib_cli_output (vm, "%=30U%=7d%=5d%=5d%=5s%=9s%=30s",
1104  bd_config->uu_fwd_sw_if_index,
1105  bd_config->uu_fwd_sw_if_index,
1106  0, 0, "uu", "-", "None");
1107 
1108  }
1109 
1110  if ((detail || arp) &&
1111  (bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM))
1112  {
1113  u32 ip4_addr;
1114  ip6_address_t *ip6_addr;
1115  u64 mac_addr;
1116  vlib_cli_output (vm,
1117  "\n IP4/IP6 to MAC table for ARP Termination");
1118 
1119  /* *INDENT-OFF* */
1120  hash_foreach (ip4_addr, mac_addr, bd_config->mac_by_ip4,
1121  ({
1122  vlib_cli_output (vm, "%=40U => %=20U",
1123  format_ip4_address, &ip4_addr,
1124  format_ethernet_address, &mac_addr);
1125  }));
1126 
1127  hash_foreach_mem (ip6_addr, mac_addr, bd_config->mac_by_ip6,
1128  ({
1129  vlib_cli_output (vm, "%=40U => %=20U",
1130  format_ip6_address, ip6_addr,
1131  format_ethernet_address, &mac_addr);
1132  }));
1133  /* *INDENT-ON* */
1134  }
1135 
1136  if ((detail || bd_tag) && (bd_config->bd_tag))
1137  {
1138  vlib_cli_output (vm, "\n BD-Tag: %s", bd_config->bd_tag);
1139 
1140  }
1141  }
1142  }
1143  vec_free (as);
1144 
1145  if (!printed)
1146  {
1147  vlib_cli_output (vm, "no bridge-domains in use");
1148  }
1149 
1150 done:
1151  return error;
1152 }
1153 
1154 /*?
1155  * Show a summary of all the bridge-domain instances or detailed view of a
1156  * single bridge-domain. Bridge-domains are created by adding an interface
1157  * to a bridge using the '<em>set interface l2 bridge</em>' command.
1158  *
1159  * @cliexpar
1160  * @parblock
1161  * Example of displaying all bridge-domains:
1162  * @cliexstart{show bridge-domain}
1163  * ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
1164  * 0 0 off off off off off local0
1165  * 200 1 on on on on off N/A
1166  * @cliexend
1167  *
1168  * Example of displaying details of a single bridge-domains:
1169  * @cliexstart{show bridge-domain 200 detail}
1170  * ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
1171  * 200 1 on on on on off N/A
1172  *
1173  * Interface Index SHG BVI VLAN-Tag-Rewrite
1174  * GigabitEthernet0/8/0.200 3 0 - none
1175  * GigabitEthernet0/9/0.200 4 0 - none
1176  * @cliexend
1177  * @endparblock
1178 ?*/
1179 /* *INDENT-OFF* */
1180 VLIB_CLI_COMMAND (bd_show_cli, static) = {
1181  .path = "show bridge-domain",
1182  .short_help = "show bridge-domain [bridge-domain-id [detail|int|arp|bd-tag]]",
1183  .function = bd_show,
1184 };
1185 /* *INDENT-ON* */
1186 
1187 int
1189 {
1190  bd_main_t *bdm = &bd_main;
1191  vlib_main_t *vm = bdm->vlib_main;
1192  int rv = 0;
1193 
1194  u32 bd_index = bd_find_index (bdm, a->bd_id);
1195  if (a->is_add)
1196  {
1197  if (bd_index != ~0)
1198  return VNET_API_ERROR_BD_ALREADY_EXISTS;
1199  if (a->bd_id > L2_BD_ID_MAX)
1200  return VNET_API_ERROR_BD_ID_EXCEED_MAX;
1201  bd_index = bd_add_bd_index (bdm, a->bd_id);
1202 
1203  bd_flags_t enable_flags = 0, disable_flags = 0;
1204  if (a->flood)
1205  enable_flags |= L2_FLOOD;
1206  else
1207  disable_flags |= L2_FLOOD;
1208 
1209  if (a->uu_flood)
1210  enable_flags |= L2_UU_FLOOD;
1211  else
1212  disable_flags |= L2_UU_FLOOD;
1213 
1214  if (a->forward)
1215  enable_flags |= L2_FWD;
1216  else
1217  disable_flags |= L2_FWD;
1218 
1219  if (a->learn)
1220  enable_flags |= L2_LEARN;
1221  else
1222  disable_flags |= L2_LEARN;
1223 
1224  if (a->arp_term)
1225  enable_flags |= L2_ARP_TERM;
1226  else
1227  disable_flags |= L2_ARP_TERM;
1228 
1229  if (enable_flags)
1230  bd_set_flags (vm, bd_index, enable_flags, 1 /* enable */ );
1231 
1232  if (disable_flags)
1233  bd_set_flags (vm, bd_index, disable_flags, 0 /* disable */ );
1234 
1235  bd_set_mac_age (vm, bd_index, a->mac_age);
1236 
1237  if (a->bd_tag)
1238  bd_set_bd_tag (vm, bd_index, a->bd_tag);
1239 
1240  }
1241  else
1242  {
1243  if (bd_index == ~0)
1244  return VNET_API_ERROR_NO_SUCH_ENTRY;
1245  if (bd_index == 0)
1246  return VNET_API_ERROR_BD_NOT_MODIFIABLE;
1247  if (vec_len (l2input_main.bd_configs[bd_index].members))
1248  return VNET_API_ERROR_BD_IN_USE;
1249  rv = bd_delete (bdm, bd_index);
1250  }
1251 
1252  return rv;
1253 }
1254 
1255 /**
1256  Create or delete bridge-domain.
1257  The CLI format:
1258  create bridge-domain <bd_index> [learn <0|1>] [forward <0|1>] [uu-flood <0|1>] [flood <0|1>]
1259  [arp-term <0|1>] [mac-age <nn>] [bd-tag <tag>] [del]
1260 */
1261 
1262 static clib_error_t *
1264  vlib_cli_command_t * cmd)
1265 {
1266  unformat_input_t _line_input, *line_input = &_line_input;
1267  clib_error_t *error = 0;
1268  u8 is_add = 1;
1269  u32 bd_id = ~0;
1270  u32 flood = 1, forward = 1, learn = 1, uu_flood = 1, arp_term = 0;
1271  u32 mac_age = 0;
1272  u8 *bd_tag = NULL;
1274  int rv;
1275 
1276  /* Get a line of input. */
1277  if (!unformat_user (input, unformat_line_input, line_input))
1278  return 0;
1279 
1280  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1281  {
1282  if (unformat (line_input, "%d", &bd_id))
1283  ;
1284  else if (unformat (line_input, "flood %d", &flood))
1285  ;
1286  else if (unformat (line_input, "uu-flood %d", &uu_flood))
1287  ;
1288  else if (unformat (line_input, "forward %d", &forward))
1289  ;
1290  else if (unformat (line_input, "learn %d", &learn))
1291  ;
1292  else if (unformat (line_input, "arp-term %d", &arp_term))
1293  ;
1294  else if (unformat (line_input, "mac-age %d", &mac_age))
1295  ;
1296  else if (unformat (line_input, "bd-tag %s", &bd_tag))
1297  ;
1298  else if (unformat (line_input, "del"))
1299  {
1300  is_add = 0;
1301  flood = uu_flood = forward = learn = 0;
1302  }
1303  else
1304  break;
1305  }
1306 
1307  if (bd_id == ~0)
1308  {
1309  error = clib_error_return (0, "bridge-domain-id not specified");
1310  goto done;
1311  }
1312 
1313  if (bd_id == 0)
1314  {
1315  error = clib_error_return (0, "bridge domain 0 can not be modified");
1316  goto done;
1317  }
1318 
1319  if (mac_age > 255)
1320  {
1321  error = clib_error_return (0, "mac age must be less than 256");
1322  goto done;
1323  }
1324  if ((bd_tag) && (strlen ((char *) bd_tag) > 63))
1325  {
1326  error = clib_error_return (0, "bd-tag cannot be longer than 63");
1327  goto done;
1328  }
1329 
1330  clib_memset (a, 0, sizeof (*a));
1331  a->is_add = is_add;
1332  a->bd_id = bd_id;
1333  a->flood = (u8) flood;
1334  a->uu_flood = (u8) uu_flood;
1335  a->forward = (u8) forward;
1336  a->learn = (u8) learn;
1337  a->arp_term = (u8) arp_term;
1338  a->mac_age = (u8) mac_age;
1339  a->bd_tag = bd_tag;
1340 
1341  rv = bd_add_del (a);
1342 
1343  switch (rv)
1344  {
1345  case 0:
1346  if (is_add)
1347  vlib_cli_output (vm, "bridge-domain %d", bd_id);
1348  break;
1349  case VNET_API_ERROR_BD_IN_USE:
1350  error = clib_error_return (0, "bridge domain in use - remove members");
1351  goto done;
1352  case VNET_API_ERROR_NO_SUCH_ENTRY:
1353  error = clib_error_return (0, "bridge domain ID does not exist");
1354  goto done;
1355  case VNET_API_ERROR_BD_NOT_MODIFIABLE:
1356  error = clib_error_return (0, "bridge domain 0 can not be modified");
1357  goto done;
1358  case VNET_API_ERROR_BD_ID_EXCEED_MAX:
1359  error = clib_error_return (0, "bridge domain ID exceed 16M limit");
1360  goto done;
1361  default:
1362  error = clib_error_return (0, "bd_add_del returned %d", rv);
1363  goto done;
1364  }
1365 
1366 done:
1367  vec_free (bd_tag);
1368  unformat_free (line_input);
1369 
1370  return error;
1371 }
1372 
1373 
1374 /*?
1375  * Create/Delete bridge-domain instance
1376  *
1377  * @cliexpar
1378  * @parblock
1379  * Example of creating bridge-domain 1:
1380  * @cliexstart{create bridge-domain 1}
1381  * bridge-domain 1
1382  * @cliexend
1383  *
1384  * Example of creating bridge-domain 2 with enabling arp-term, mac-age 60:
1385  * @cliexstart{create bridge-domain 2 arp-term 1 mac-age 60}
1386  * bridge-domain 2
1387  *
1388  * vpp# show bridge-domain
1389  * ID Index BSN Age(min) Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
1390  * 0 0 0 off off off off off off local0
1391  * 1 1 0 off on on off on off N/A
1392  * 2 2 0 60 on on off on on N/A
1393  *
1394  * @cliexend
1395  *
1396  * Example of delete bridge-domain 1:
1397  * @cliexstart{create bridge-domain 1 del}
1398  * @cliexend
1399  * @endparblock
1400 ?*/
1401 
1402 /* *INDENT-OFF* */
1403 VLIB_CLI_COMMAND (bd_create_cli, static) = {
1404  .path = "create bridge-domain",
1405  .short_help = "create bridge-domain <bridge-domain-id>"
1406  " [learn <0|1>] [forward <0|1>] [uu-flood <0|1>] [flood <0|1>] [arp-term <0|1>]"
1407  " [mac-age <nn>] [bd-tag <tag>] [del]",
1408  .function = bd_add_del_command_fn,
1409 };
1410 /* *INDENT-ON* */
1411 
1412 
1413 
1414 /*
1415  * fd.io coding-style-patch-verification: ON
1416  *
1417  * Local Variables:
1418  * eval: (c-set-style "gnu")
1419  * End:
1420  */
void bd_validate(l2_bridge_domain_t *bd_config)
Init bridge domain if not done already.
Definition: l2_bd.c:51
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:439
u32 sw_if_index
Definition: ipsec_gre.api:37
#define vec_foreach_index(var, v)
Iterate over vector indices.
#define hash_set(h, key, value)
Definition: hash.h:255
u32 flags
Definition: vhost_user.h:115
u32 uu_fwd_sw_if_index
Definition: l2_bd.h:80
u8 * format_vnet_sw_if_index_name_with_NA(u8 *s, va_list *args)
Format sw_if_index.
Definition: l2_fib.c:91
#define hash_unset(h, key)
Definition: hash.h:261
a
Definition: bitmap.h:538
u32 bd_add_del_ip_mac(u32 bd_index, ip46_type_t type, const ip46_address_t *ip, const mac_address_t *mac, u8 is_add)
Add/delete IP address to MAC address mapping.
Definition: l2_bd.c:742
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
u32 bvi_sw_if_index
Definition: l2_bd.h:74
unsigned long u64
Definition: types.h:89
#define NULL
Definition: clib.h:58
Definition: l2_bd.h:151
static void update_flood_count(l2_bridge_domain_t *bd_config)
Definition: l2_bd.c:138
int i
l2_flood_member_t * members
Definition: l2_bd.h:86
static uword * clib_bitmap_set(uword *ai, uword i, uword value)
Sets the ith bit of a bitmap to new_value Removes trailing zeros from the bitmap. ...
Definition: bitmap.h:167
static_always_inline u8 * l2fib_swif_seq_num(u32 sw_if_index)
Definition: l2_fib.h:457
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:983
format_function_t format_ip46_address
Definition: format.h:61
#define hash_set_mem(h, key, value)
Definition: hash.h:275
clib_memset(h->entries, 0, sizeof(h->entries[0])*entries)
static vnet_sw_interface_t * vnet_get_sw_interface(vnet_main_t *vnm, u32 sw_if_index)
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
int bd_add_del(l2_bridge_domain_add_del_args_t *a)
Definition: l2_bd.c:1188
u32 bd_remove_member(l2_bridge_domain_t *bd_config, u32 sw_if_index)
Definition: l2_bd.c:192
#define L2_FLOOD_MEMBER_BVI
Definition: l2_bd.h:51
format_function_t format_vnet_sw_if_index_name
unsigned char u8
Definition: types.h:56
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
#define clib_memcpy(d, s, n)
Definition: string.h:180
vnet_flood_class_t flood_class
Definition: interface.h:709
unformat_function_t unformat_ip4_address
Definition: format.h:70
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:163
void bd_add_member(l2_bridge_domain_t *bd_config, l2_flood_member_t *member)
Definition: l2_bd.c:147
static clib_error_t * bd_fwd(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Set bridge-domain forward enable/disable.
Definition: l2_bd.c:410
#define hash_foreach(key_var, value_var, h, body)
Definition: hash.h:442
clib_error_t * l2bd_init(vlib_main_t *vm)
Definition: l2_bd.c:226
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
#define clib_error_return(e, args...)
Definition: error.h:99
#define hash_get_pair(h, key)
Definition: hash.h:252
unsigned int u32
Definition: types.h:88
static u8 * format_vtr(u8 *s, va_list *args)
Definition: l2_bd.c:928
static void bd_set_bd_tag(vlib_main_t *vm, u32 bd_index, u8 *bd_tag)
Set the tag for the bridge domain.
Definition: l2_bd.c:318
uword * bd_index_by_bd_id
Definition: l2_bd.h:36
unformat_function_t unformat_line_input
Definition: format.h:282
#define BD_REMOVE_ERROR_OK
Definition: l2_bd.c:188
#define hash_create_mem(elts, key_bytes, value_bytes)
Definition: hash.h:661
#define hash_get(h, key)
Definition: hash.h:249
#define hash_unset_mem(h, key)
Definition: hash.h:291
static void vlib_process_signal_event(vlib_main_t *vm, uword node_index, uword type_opaque, uword data)
Definition: node_funcs.h:964
u32 bd_id
Definition: gbp.api:269
struct _unformat_input_t unformat_input_t
#define hash_free(h)
Definition: hash.h:310
void l2fib_flush_bd_mac(vlib_main_t *vm, u32 bd_index)
Flush all non static MACs in a bridge domain.
Definition: l2_fib.c:815
static clib_error_t * bd_arp_entry(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Set bridge-domain arp entry add/delete.
Definition: l2_bd.c:835
static clib_error_t * bd_add_del_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Create or delete bridge-domain.
Definition: l2_bd.c:1263
static clib_error_t * bd_flood(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Set bridge-domain flood enable/disable.
Definition: l2_bd.c:475
uword * bd_index_bitmap
Definition: l2_bd.h:39
#define hash_foreach_mem(key_var, value_var, h, body)
Definition: hash.h:461
static u8 * format_uu_cfg(u8 *s, va_list *args)
Definition: l2_bd.c:963
static u32 bd_is_valid(l2_bridge_domain_t *bd_config)
Definition: l2_bd.h:133
uword unformat_mac_address_t(unformat_input_t *input, va_list *args)
Definition: mac_address.c:37
#define BD_REMOVE_ERROR_NOT_FOUND
Definition: l2_bd.c:189
#define ip46_address_initializer
Definition: ip6_packet.h:96
static int bd_delete(bd_main_t *bdm, u32 bd_index)
Definition: l2_bd.c:111
unformat_function_t unformat_ip6_address
Definition: format.h:91
void bd_set_mac_age(vlib_main_t *vm, u32 bd_index, u8 age)
Set the mac age for the bridge domain.
Definition: l2_bd.c:295
u32 no_flood_count
Definition: l2_bd.h:98
#define UNFORMAT_END_OF_INPUT
Definition: format.h:144
vlib_main_t * vm
Definition: buffer.c:312
u32 tun_master_count
Definition: l2_bd.h:92
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:341
u32 bd_set_flags(vlib_main_t *vm, u32 bd_index, bd_flags_t flags, u32 enable)
Set the learn/forward/flood flags for the bridge domain.
Definition: l2_bd.c:251
static clib_error_t * bd_learn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Set bridge-domain learn enable/disable.
Definition: l2_bd.c:345
static void bd_free_ip_mac_tables(l2_bridge_domain_t *bd)
Definition: l2_bd.c:95
uword * mac_by_ip6
Definition: l2_bd.h:102
static_always_inline l2_bridge_domain_t * l2input_bd_config(u32 bd_index)
Definition: l2_input.h:85
void bd_flush_ip_mac(u32 bd_index)
Flush IP address to MAC address mapping tables in a BD.
Definition: l2_bd.c:819
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:155
static clib_error_t * bd_show(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Show bridge-domain state.
Definition: l2_bd.c:982
#define hash_create(elts, value_bytes)
Definition: hash.h:696
#define L2_BD_ID_MAX
Definition: l2_bd.h:116
#define ASSERT(truth)
#define vec_delete(V, N, M)
Delete N elements starting at element M.
Definition: vec.h:784
u8 is_add
Definition: ipsec_gre.api:36
ip46_type_t
Definition: ip6_packet.h:70
#define vec_insert_elts(V, E, N, M)
Insert N vector elements starting at element M, insert given elements (no header, unspecified alignme...
Definition: vec.h:763
static void clib_mem_free(void *p)
Definition: mem.h:205
u32 tun_normal_count
Definition: l2_bd.h:95
static void * clib_mem_alloc(uword size)
Definition: mem.h:132
static vlib_main_t * vlib_get_main(void)
Definition: global_funcs.h:23
static clib_error_t * bd_arp_term(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Set bridge-domain arp term enable/disable.
Definition: l2_bd.c:605
vlib_main_t * vlib_main
Definition: l2_bd.h:42
static clib_error_t * bd_mac_age(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: l2_bd.c:643
l2input_main_t l2input_main
Definition: l2_input.c:128
static_always_inline u64 mac_address_as_u64(const mac_address_t *mac)
Definition: mac_address.h:112
u32 feature_bitmap
Definition: l2_bd.h:69
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
u64 uword
Definition: types.h:112
static void unformat_free(unformat_input_t *i)
Definition: format.h:162
l2_bridge_domain_t * bd_configs
Definition: l2_input.h:64
static clib_error_t * bd_uu_flood(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Set bridge-domain unknown-unicast flood enable/disable.
Definition: l2_bd.c:540
#define hash_get_mem(h, key)
Definition: hash.h:269
u32 l2vtr_get(vlib_main_t *vlib_main, vnet_main_t *vnet_main, u32 sw_if_index, u32 *vtr_op, u32 *push_dot1q, u32 *vtr_tag1, u32 *vtr_tag2)
Get vtag tag rewrite on the given interface.
Definition: l2_vtr.c:347
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91
u8 * format_mac_address_t(u8 *s, va_list *args)
Definition: mac_address.c:27
#define vec_foreach(var, vec)
Vector iterator.
uword * mac_by_ip4
Definition: l2_bd.h:101
u32 sw_if_index
Definition: l2_bd.h:55
u32 bd_find_index(bd_main_t *bdm, u32 bd_id)
Get a bridge domain.
Definition: l2_bd.c:69
static uword clib_bitmap_first_clear(uword *ai)
Return the lowest numbered clear bit in a bitmap.
Definition: bitmap.h:445
bd_main_t bd_main
Definition: l2_bd.c:44
vlib_node_registration_t l2fib_mac_age_scanner_process_node
(constructor) VLIB_REGISTER_NODE (l2fib_mac_age_scanner_process_node)
Definition: l2_fib.c:1246
vl_api_mac_address_t mac
Definition: gbp.api:120
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:762
u32 bd_add_bd_index(bd_main_t *bdm, u32 bd_id)
Create a bridge domain.
Definition: l2_bd.c:78
uword key
Definition: hash.h:162
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:972
CLIB vectors are ubiquitous dynamically resized arrays with by user defined "headers".
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:170
enum bd_flags_t_ bd_flags_t