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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;
56  bd_config->bvi_sw_if_index = ~0;
57  bd_config->members = 0;
58  bd_config->flood_count = 0;
59  bd_config->tun_master_count = 0;
60  bd_config->tun_normal_count = 0;
61  bd_config->mac_by_ip4 = 0;
62  bd_config->mac_by_ip6 = hash_create_mem (0, sizeof (ip6_address_t),
63  sizeof (uword));
64 }
65 
66 u32
67 bd_find_index (bd_main_t * bdm, u32 bd_id)
68 {
69  u32 *p = (u32 *) hash_get (bdm->bd_index_by_bd_id, bd_id);
70  if (!p)
71  return ~0;
72  return p[0];
73 }
74 
75 u32
77 {
78  ASSERT (!hash_get (bdm->bd_index_by_bd_id, bd_id));
80 
81  /* mark this index taken */
82  bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap, rv, 1);
83 
84  hash_set (bdm->bd_index_by_bd_id, bd_id, rv);
85 
87  l2input_main.bd_configs[rv].bd_id = bd_id;
88 
89  return rv;
90 }
91 
92 static int
93 bd_delete (bd_main_t * bdm, u32 bd_index)
94 {
96  u32 bd_id = bd->bd_id;
97  u64 mac_addr;
98  ip6_address_t *ip6_addr_key;
99 
100  /* flush non-static MACs in BD and removed bd_id from hash table */
101  l2fib_flush_bd_mac (vlib_get_main (), bd_index);
102  hash_unset (bdm->bd_index_by_bd_id, bd_id);
103 
104  /* mark this index clear */
105  bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap, bd_index, 0);
106 
107  /* clear BD config for reuse: bd_id to -1 and clear feature_bitmap */
108  bd->bd_id = ~0;
109  bd->feature_bitmap = 0;
110 
111  /* free BD tag */
112  vec_free (bd->bd_tag);
113 
114  /* free memory used by BD */
115  vec_free (bd->members);
116  hash_free (bd->mac_by_ip4);
117  /* *INDENT-OFF* */
118  hash_foreach_mem (ip6_addr_key, mac_addr, bd->mac_by_ip6,
119  ({
120  clib_mem_free (ip6_addr_key); /* free memory used for ip6 addr key */
121  }));
122  /* *INDENT-ON* */
123  hash_free (bd->mac_by_ip6);
124 
125  return 0;
126 }
127 
128 static void
130 {
131  bd_config->flood_count = vec_len (bd_config->members) -
132  (bd_config->tun_master_count ? bd_config->tun_normal_count : 0);
133 }
134 
135 void
137 {
138  u32 ix;
140  (vnet_get_main (), member->sw_if_index);
141 
142  /*
143  * Add one element to the vector
144  * vector is ordered [ bvi, normal/tun_masters..., tun_normals... ]
145  * When flooding, the bvi interface (if present) must be the last member
146  * processed due to how BVI processing can change the packet. To enable
147  * this order, we make the bvi interface the first in the vector and
148  * flooding walks the vector in reverse.
149  */
150  switch (sw_if->flood_class)
151  {
153  bd_config->tun_master_count++;
154  /* Fall through */
155  default:
156  /* Fall through */
158  ix = (member->flags & L2_FLOOD_MEMBER_BVI) ? 0 :
159  vec_len (bd_config->members) - bd_config->tun_normal_count;
160  break;
162  ix = vec_len (bd_config->members);
163  bd_config->tun_normal_count++;
164  break;
165  }
166 
167  vec_insert_elts (bd_config->members, member, 1, ix);
168  update_flood_count (bd_config);
169 }
170 
171 #define BD_REMOVE_ERROR_OK 0
172 #define BD_REMOVE_ERROR_NOT_FOUND 1
173 
174 u32
175 bd_remove_member (l2_bridge_domain_t * bd_config, u32 sw_if_index)
176 {
177  u32 ix;
178 
179  /* Find and delete the member */
180  vec_foreach_index (ix, bd_config->members)
181  {
182  l2_flood_member_t *m = vec_elt_at_index (bd_config->members, ix);
183  if (m->sw_if_index == sw_if_index)
184  {
186  (vnet_get_main (), sw_if_index);
187 
188  if (sw_if->flood_class != VNET_FLOOD_CLASS_NORMAL)
189  {
191  bd_config->tun_master_count--;
192  else if (sw_if->flood_class == VNET_FLOOD_CLASS_TUNNEL_NORMAL)
193  bd_config->tun_normal_count--;
194  }
195  vec_delete (bd_config->members, 1, ix);
196  update_flood_count (bd_config);
197 
198  return BD_REMOVE_ERROR_OK;
199  }
200  }
201 
203 }
204 
205 
206 clib_error_t *
208 {
209  bd_main_t *bdm = &bd_main;
210  bdm->bd_index_by_bd_id = hash_create (0, sizeof (uword));
211  /*
212  * create a dummy bd with bd_id of 0 and bd_index of 0 with feature set
213  * to packet drop only. Thus, packets received from any L2 interface with
214  * uninitialized bd_index of 0 can be dropped safely.
215  */
216  u32 bd_index = bd_add_bd_index (bdm, 0);
217  ASSERT (bd_index == 0);
218  l2input_main.bd_configs[0].feature_bitmap = L2INPUT_FEAT_DROP;
219 
220  bdm->vlib_main = vm;
221  return 0;
222 }
223 
225 
226 
227 /**
228  Set the learn/forward/flood flags for the bridge domain.
229  Return 0 if ok, non-zero if for an error.
230 */
231 u32
232 bd_set_flags (vlib_main_t * vm, u32 bd_index, u32 flags, u32 enable)
233 {
234 
235  l2_bridge_domain_t *bd_config = l2input_bd_config (bd_index);
236  bd_validate (bd_config);
237  u32 feature_bitmap = 0;
238 
239  if (flags & L2_LEARN)
240  {
241  feature_bitmap |= L2INPUT_FEAT_LEARN;
242  }
243  if (flags & L2_FWD)
244  {
245  feature_bitmap |= L2INPUT_FEAT_FWD;
246  }
247  if (flags & L2_FLOOD)
248  {
249  feature_bitmap |= L2INPUT_FEAT_FLOOD;
250  }
251  if (flags & L2_UU_FLOOD)
252  {
253  feature_bitmap |= L2INPUT_FEAT_UU_FLOOD;
254  }
255  if (flags & L2_ARP_TERM)
256  {
257  feature_bitmap |= L2INPUT_FEAT_ARP_TERM;
258  }
259 
260  if (enable)
261  {
262  bd_config->feature_bitmap |= feature_bitmap;
263  }
264  else
265  {
266  bd_config->feature_bitmap &= ~feature_bitmap;
267  }
268 
269  return bd_config->feature_bitmap;
270 }
271 
272 /**
273  Set the mac age for the bridge domain.
274 */
275 void
276 bd_set_mac_age (vlib_main_t * vm, u32 bd_index, u8 age)
277 {
278  l2_bridge_domain_t *bd_config;
279  int enable = 0;
280 
282  bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
283  bd_config->mac_age = age;
284 
285  /* check if there is at least one bd with mac aging enabled */
286  vec_foreach (bd_config, l2input_main.bd_configs)
287  enable |= bd_config->bd_id != ~0 && bd_config->mac_age != 0;
288 
292 }
293 
294 /**
295  Set the tag for the bridge domain.
296 */
297 
298 static void
299 bd_set_bd_tag (vlib_main_t * vm, u32 bd_index, u8 * bd_tag)
300 {
301  u8 *old;
302  l2_bridge_domain_t *bd_config;
304  bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
305 
306  old = bd_config->bd_tag;
307 
308  if (bd_tag[0])
309  {
310  bd_config->bd_tag = format (0, "%s%c", bd_tag, 0);
311  }
312  else
313  {
314  bd_config->bd_tag = NULL;
315  }
316 
317  vec_free (old);
318 }
319 
320 /**
321  Set bridge-domain learn enable/disable.
322  The CLI format is:
323  set bridge-domain learn <bd_id> [disable]
324 */
325 static clib_error_t *
327  unformat_input_t * input, vlib_cli_command_t * cmd)
328 {
329  bd_main_t *bdm = &bd_main;
330  clib_error_t *error = 0;
331  u32 bd_index, bd_id;
332  u32 enable;
333  uword *p;
334 
335  if (!unformat (input, "%d", &bd_id))
336  {
337  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
338  format_unformat_error, input);
339  goto done;
340  }
341 
342  if (bd_id == 0)
343  return clib_error_return (0,
344  "No operations on the default bridge domain are supported");
345 
346  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
347 
348  if (p == 0)
349  return clib_error_return (0, "No such bridge domain %d", bd_id);
350 
351  bd_index = p[0];
352 
353  enable = 1;
354  if (unformat (input, "disable"))
355  {
356  enable = 0;
357  }
358 
359  /* set the bridge domain flag */
360  bd_set_flags (vm, bd_index, L2_LEARN, enable);
361 
362 done:
363  return error;
364 }
365 
366 /*?
367  * Layer 2 learning can be enabled and disabled on each
368  * interface and on each bridge-domain. Use this command to
369  * manage bridge-domains. It is enabled by default.
370  *
371  * @cliexpar
372  * Example of how to enable learning (where 200 is the bridge-domain-id):
373  * @cliexcmd{set bridge-domain learn 200}
374  * Example of how to disable learning (where 200 is the bridge-domain-id):
375  * @cliexcmd{set bridge-domain learn 200 disable}
376 ?*/
377 /* *INDENT-OFF* */
378 VLIB_CLI_COMMAND (bd_learn_cli, static) = {
379  .path = "set bridge-domain learn",
380  .short_help = "set bridge-domain learn <bridge-domain-id> [disable]",
381  .function = bd_learn,
382 };
383 /* *INDENT-ON* */
384 
385 /**
386  Set bridge-domain forward enable/disable.
387  The CLI format is:
388  set bridge-domain forward <bd_index> [disable]
389 */
390 static clib_error_t *
392 {
393  bd_main_t *bdm = &bd_main;
394  clib_error_t *error = 0;
395  u32 bd_index, bd_id;
396  u32 enable;
397  uword *p;
398 
399  if (!unformat (input, "%d", &bd_id))
400  {
401  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
402  format_unformat_error, input);
403  goto done;
404  }
405 
406  if (bd_id == 0)
407  return clib_error_return (0,
408  "No operations on the default bridge domain are supported");
409 
410  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
411 
412  if (p == 0)
413  return clib_error_return (0, "No such bridge domain %d", bd_id);
414 
415  bd_index = p[0];
416 
417  enable = 1;
418  if (unformat (input, "disable"))
419  {
420  enable = 0;
421  }
422 
423  /* set the bridge domain flag */
424  bd_set_flags (vm, bd_index, L2_FWD, enable);
425 
426 done:
427  return error;
428 }
429 
430 
431 /*?
432  * Layer 2 unicast forwarding can be enabled and disabled on each
433  * interface and on each bridge-domain. Use this command to
434  * manage bridge-domains. It is enabled by default.
435  *
436  * @cliexpar
437  * Example of how to enable forwarding (where 200 is the bridge-domain-id):
438  * @cliexcmd{set bridge-domain forward 200}
439  * Example of how to disable forwarding (where 200 is the bridge-domain-id):
440  * @cliexcmd{set bridge-domain forward 200 disable}
441 ?*/
442 /* *INDENT-OFF* */
443 VLIB_CLI_COMMAND (bd_fwd_cli, static) = {
444  .path = "set bridge-domain forward",
445  .short_help = "set bridge-domain forward <bridge-domain-id> [disable]",
446  .function = bd_fwd,
447 };
448 /* *INDENT-ON* */
449 
450 /**
451  Set bridge-domain flood enable/disable.
452  The CLI format is:
453  set bridge-domain flood <bd_index> [disable]
454 */
455 static clib_error_t *
457  unformat_input_t * input, vlib_cli_command_t * cmd)
458 {
459  bd_main_t *bdm = &bd_main;
460  clib_error_t *error = 0;
461  u32 bd_index, bd_id;
462  u32 enable;
463  uword *p;
464 
465  if (!unformat (input, "%d", &bd_id))
466  {
467  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
468  format_unformat_error, input);
469  goto done;
470  }
471 
472  if (bd_id == 0)
473  return clib_error_return (0,
474  "No operations on the default bridge domain are supported");
475 
476  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
477 
478  if (p == 0)
479  return clib_error_return (0, "No such bridge domain %d", bd_id);
480 
481  bd_index = p[0];
482 
483  enable = 1;
484  if (unformat (input, "disable"))
485  {
486  enable = 0;
487  }
488 
489  /* set the bridge domain flag */
490  bd_set_flags (vm, bd_index, L2_FLOOD, enable);
491 
492 done:
493  return error;
494 }
495 
496 /*?
497  * Layer 2 flooding can be enabled and disabled on each
498  * interface and on each bridge-domain. Use this command to
499  * manage bridge-domains. It is enabled by default.
500  *
501  * @cliexpar
502  * Example of how to enable flooding (where 200 is the bridge-domain-id):
503  * @cliexcmd{set bridge-domain flood 200}
504  * Example of how to disable flooding (where 200 is the bridge-domain-id):
505  * @cliexcmd{set bridge-domain flood 200 disable}
506 ?*/
507 /* *INDENT-OFF* */
508 VLIB_CLI_COMMAND (bd_flood_cli, static) = {
509  .path = "set bridge-domain flood",
510  .short_help = "set bridge-domain flood <bridge-domain-id> [disable]",
511  .function = bd_flood,
512 };
513 /* *INDENT-ON* */
514 
515 /**
516  Set bridge-domain unkown-unicast flood enable/disable.
517  The CLI format is:
518  set bridge-domain uu-flood <bd_index> [disable]
519 */
520 static clib_error_t *
522  unformat_input_t * input, vlib_cli_command_t * cmd)
523 {
524  bd_main_t *bdm = &bd_main;
525  clib_error_t *error = 0;
526  u32 bd_index, bd_id;
527  u32 enable;
528  uword *p;
529 
530  if (!unformat (input, "%d", &bd_id))
531  {
532  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
533  format_unformat_error, input);
534  goto done;
535  }
536 
537  if (bd_id == 0)
538  return clib_error_return (0,
539  "No operations on the default bridge domain are supported");
540 
541  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
542 
543  if (p == 0)
544  return clib_error_return (0, "No such bridge domain %d", bd_id);
545 
546  bd_index = p[0];
547 
548  enable = 1;
549  if (unformat (input, "disable"))
550  {
551  enable = 0;
552  }
553 
554  /* set the bridge domain flag */
555  bd_set_flags (vm, bd_index, L2_UU_FLOOD, enable);
556 
557 done:
558  return error;
559 }
560 
561 /*?
562  * Layer 2 unknown-unicast flooding can be enabled and disabled on each
563  * bridge-domain. It is enabled by default.
564  *
565  * @cliexpar
566  * Example of how to enable unknown-unicast flooding (where 200 is the
567  * bridge-domain-id):
568  * @cliexcmd{set bridge-domain uu-flood 200}
569  * Example of how to disable unknown-unicast flooding (where 200 is the bridge-domain-id):
570  * @cliexcmd{set bridge-domain uu-flood 200 disable}
571 ?*/
572 /* *INDENT-OFF* */
573 VLIB_CLI_COMMAND (bd_uu_flood_cli, static) = {
574  .path = "set bridge-domain uu-flood",
575  .short_help = "set bridge-domain uu-flood <bridge-domain-id> [disable]",
576  .function = bd_uu_flood,
577 };
578 /* *INDENT-ON* */
579 
580 /**
581  Set bridge-domain arp term enable/disable.
582  The CLI format is:
583  set bridge-domain arp term <bridge-domain-id> [disable]
584 */
585 static clib_error_t *
587  unformat_input_t * input, vlib_cli_command_t * cmd)
588 {
589  bd_main_t *bdm = &bd_main;
590  clib_error_t *error = 0;
591  u32 bd_index, bd_id;
592  u32 enable;
593  uword *p;
594 
595  if (!unformat (input, "%d", &bd_id))
596  {
597  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
598  format_unformat_error, input);
599  goto done;
600  }
601 
602  if (bd_id == 0)
603  return clib_error_return (0,
604  "No operations on the default bridge domain are supported");
605 
606  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
607  if (p)
608  bd_index = *p;
609  else
610  return clib_error_return (0, "No such bridge domain %d", bd_id);
611 
612  enable = 1;
613  if (unformat (input, "disable"))
614  enable = 0;
615 
616  /* set the bridge domain flag */
617  bd_set_flags (vm, bd_index, L2_ARP_TERM, enable);
618 
619 done:
620  return error;
621 }
622 
623 static clib_error_t *
625  unformat_input_t * input, vlib_cli_command_t * cmd)
626 {
627  bd_main_t *bdm = &bd_main;
628  clib_error_t *error = 0;
629  u32 bd_index, bd_id;
630  u32 age;
631  uword *p;
632 
633  if (!unformat (input, "%d", &bd_id))
634  {
635  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
636  format_unformat_error, input);
637  goto done;
638  }
639 
640  if (bd_id == 0)
641  return clib_error_return (0,
642  "No operations on the default bridge domain are supported");
643 
644  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
645 
646  if (p == 0)
647  return clib_error_return (0, "No such bridge domain %d", bd_id);
648 
649  bd_index = p[0];
650 
651  if (!unformat (input, "%u", &age))
652  {
653  error =
654  clib_error_return (0, "expecting ageing time in minutes but got `%U'",
655  format_unformat_error, input);
656  goto done;
657  }
658 
659  /* set the bridge domain flag */
660  if (age > 255)
661  {
662  error =
663  clib_error_return (0, "mac aging time cannot be bigger than 255");
664  goto done;
665  }
666  bd_set_mac_age (vm, bd_index, (u8) age);
667 
668 done:
669  return error;
670 }
671 
672 /*?
673  * Layer 2 mac aging can be enabled and disabled on each
674  * bridge-domain. Use this command to set or disable mac aging
675  * on specific bridge-domains. It is disabled by default.
676  *
677  * @cliexpar
678  * Example of how to set mac aging (where 200 is the bridge-domain-id and
679  * 5 is aging time in minutes):
680  * @cliexcmd{set bridge-domain mac-age 200 5}
681  * Example of how to disable mac aging (where 200 is the bridge-domain-id):
682  * @cliexcmd{set bridge-domain flood 200 0}
683 ?*/
684 /* *INDENT-OFF* */
685 VLIB_CLI_COMMAND (bd_mac_age_cli, static) = {
686  .path = "set bridge-domain mac-age",
687  .short_help = "set bridge-domain mac-age <bridge-domain-id> <mins>",
688  .function = bd_mac_age,
689 };
690 /* *INDENT-ON* */
691 
692 /*?
693  * Modify whether or not an existing bridge-domain should terminate and respond
694  * to ARP Requests. ARP Termination is disabled by default.
695  *
696  * @cliexpar
697  * Example of how to enable ARP termination (where 200 is the bridge-domain-id):
698  * @cliexcmd{set bridge-domain arp term 200}
699  * Example of how to disable ARP termination (where 200 is the bridge-domain-id):
700  * @cliexcmd{set bridge-domain arp term 200 disable}
701 ?*/
702 /* *INDENT-OFF* */
703 VLIB_CLI_COMMAND (bd_arp_term_cli, static) = {
704  .path = "set bridge-domain arp term",
705  .short_help = "set bridge-domain arp term <bridge-domain-id> [disable]",
706  .function = bd_arp_term,
707 };
708 /* *INDENT-ON* */
709 
710 
711 /**
712  * Add/delete IP address to MAC address mapping.
713  *
714  * The clib hash implementation stores uword entries in the hash table.
715  * The hash table mac_by_ip4 is keyed via IP4 address and store the
716  * 6-byte MAC address directly in the hash table entry uword.
717  *
718  * @warning This only works for 64-bit processor with 8-byte uword;
719  * which means this code *WILL NOT WORK* for a 32-bit prcessor with
720  * 4-byte uword.
721  */
722 u32
724  u8 * ip_addr, u8 * mac_addr, u8 is_ip6, u8 is_add)
725 {
726  l2_bridge_domain_t *bd_cfg = l2input_bd_config (bd_index);
727  u64 new_mac = *(u64 *) mac_addr;
728  u64 *old_mac;
729  u16 *mac16 = (u16 *) & new_mac;
730 
731  ASSERT (sizeof (uword) == sizeof (u64)); /* make sure uword is 8 bytes */
732  ASSERT (bd_is_valid (bd_cfg));
733 
734  mac16[3] = 0; /* Clear last 2 unsed bytes of the 8-byte MAC address */
735  if (is_ip6)
736  {
737  ip6_address_t *ip6_addr_key;
738  hash_pair_t *hp;
739  old_mac = (u64 *) hash_get_mem (bd_cfg->mac_by_ip6, ip_addr);
740  if (is_add)
741  {
742  if (old_mac == 0)
743  { /* new entry - allocate and craete ip6 address key */
744  ip6_addr_key = clib_mem_alloc (sizeof (ip6_address_t));
745  clib_memcpy (ip6_addr_key, ip_addr, sizeof (ip6_address_t));
746  }
747  else if (*old_mac == new_mac)
748  { /* same mac entry already exist for ip6 address */
749  return 0;
750  }
751  else
752  { /* updat mac for ip6 address */
753  hp = hash_get_pair (bd_cfg->mac_by_ip6, ip_addr);
754  ip6_addr_key = (ip6_address_t *) hp->key;
755  }
756  hash_set_mem (bd_cfg->mac_by_ip6, ip6_addr_key, new_mac);
757  }
758  else
759  {
760  if (old_mac && (*old_mac == new_mac))
761  {
762  hp = hash_get_pair (bd_cfg->mac_by_ip6, ip_addr);
763  ip6_addr_key = (ip6_address_t *) hp->key;
764  hash_unset_mem (bd_cfg->mac_by_ip6, ip_addr);
765  clib_mem_free (ip6_addr_key);
766  }
767  else
768  return 1;
769  }
770  }
771  else
772  {
773  ip4_address_t ip4_addr = *(ip4_address_t *) ip_addr;
774  old_mac = (u64 *) hash_get (bd_cfg->mac_by_ip4, ip4_addr.as_u32);
775  if (is_add)
776  {
777  if (old_mac && (*old_mac == new_mac))
778  return 0; /* mac entry already exist */
779  hash_set (bd_cfg->mac_by_ip4, ip4_addr.as_u32, new_mac);
780  }
781  else
782  {
783  if (old_mac && (*old_mac == new_mac))
784  hash_unset (bd_cfg->mac_by_ip4, ip4_addr.as_u32);
785  else
786  return 1;
787  }
788  }
789  return 0;
790 }
791 
792 /**
793  Set bridge-domain arp entry add/delete.
794  The CLI format is:
795  set bridge-domain arp entry <bridge-domain-id> <ip-addr> <mac-addr> [del]
796 */
797 static clib_error_t *
799  unformat_input_t * input, vlib_cli_command_t * cmd)
800 {
801  bd_main_t *bdm = &bd_main;
802  clib_error_t *error = 0;
803  u32 bd_index, bd_id;
804  u8 is_add = 1;
805  u8 is_ip6 = 0;
806  u8 ip_addr[16];
807  u8 mac_addr[6];
808  uword *p;
809 
810  if (!unformat (input, "%d", &bd_id))
811  {
812  error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
813  format_unformat_error, input);
814  goto done;
815  }
816 
817  if (bd_id == 0)
818  return clib_error_return (0,
819  "No operations on the default bridge domain are supported");
820 
821  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
822 
823  if (p)
824  bd_index = *p;
825  else
826  return clib_error_return (0, "No such bridge domain %d", bd_id);
827 
828  if (unformat (input, "%U", unformat_ip4_address, ip_addr))
829  {
830  is_ip6 = 0;
831  }
832  else if (unformat (input, "%U", unformat_ip6_address, ip_addr))
833  {
834  is_ip6 = 1;
835  }
836  else
837  {
838  error = clib_error_return (0, "expecting IP address but got `%U'",
839  format_unformat_error, input);
840  goto done;
841  }
842 
843  if (!unformat (input, "%U", unformat_ethernet_address, mac_addr))
844  {
845  error = clib_error_return (0, "expecting MAC address but got `%U'",
846  format_unformat_error, input);
847  goto done;
848  }
849 
850  if (unformat (input, "del"))
851  {
852  is_add = 0;
853  }
854 
855  /* set the bridge domain flagAdd IP-MAC entry into bridge domain */
856  if (bd_add_del_ip_mac (bd_index, ip_addr, mac_addr, is_ip6, is_add))
857  {
858  error = clib_error_return (0, "MAC %s for IP %U and MAC %U failed",
859  is_add ? "add" : "del",
860  is_ip6 ?
862  ip_addr, format_ethernet_address, mac_addr);
863  }
864 
865 done:
866  return error;
867 }
868 
869 /*?
870  * Add an ARP entry to an existing bridge-domain.
871  *
872  * @cliexpar
873  * Example of how to add an ARP entry (where 200 is the bridge-domain-id):
874  * @cliexcmd{set bridge-domain arp entry 200 192.168.72.45 52:54:00:3b:83:1a}
875  * Example of how to delete an ARP entry (where 200 is the bridge-domain-id):
876  * @cliexcmd{set bridge-domain arp entry 200 192.168.72.45 52:54:00:3b:83:1a del}
877 ?*/
878 /* *INDENT-OFF* */
879 VLIB_CLI_COMMAND (bd_arp_entry_cli, static) = {
880  .path = "set bridge-domain arp entry",
881  .short_help = "set bridge-domain arp entry <bridge-domain-id> <ip-addr> <mac-addr> [del]",
882  .function = bd_arp_entry,
883 };
884 /* *INDENT-ON* */
885 
886 u8 *
887 format_vtr (u8 * s, va_list * args)
888 {
889  u32 vtr_op = va_arg (*args, u32);
890  u32 dot1q = va_arg (*args, u32);
891  u32 tag1 = va_arg (*args, u32);
892  u32 tag2 = va_arg (*args, u32);
893  switch (vtr_op)
894  {
895  case L2_VTR_DISABLED:
896  return format (s, "none");
897  case L2_VTR_PUSH_1:
898  return format (s, "push-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
899  case L2_VTR_PUSH_2:
900  return format (s, "push-2 %s %d %d", dot1q ? "dot1q" : "dot1ad", tag1,
901  tag2);
902  case L2_VTR_POP_1:
903  return format (s, "pop-1");
904  case L2_VTR_POP_2:
905  return format (s, "pop-2");
907  return format (s, "trans-1-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
909  return format (s, "trans-1-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
910  tag1, tag2);
912  return format (s, "trans-2-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
914  return format (s, "trans-2-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
915  tag1, tag2);
916  default:
917  return format (s, "none");
918  }
919 }
920 
921 /**
922  Show bridge-domain state.
923  The CLI format is:
924  show bridge-domain [<bd_index>]
925 */
926 static clib_error_t *
928 {
929  vnet_main_t *vnm = vnet_get_main ();
930  bd_main_t *bdm = &bd_main;
931  clib_error_t *error = 0;
932  u32 bd_index = ~0;
933  l2_bridge_domain_t *bd_config;
934  u32 start, end;
935  u32 detail = 0;
936  u32 intf = 0;
937  u32 arp = 0;
938  u32 bd_tag = 0;
939  u32 bd_id = ~0;
940  uword *p;
941 
942  start = 1;
944 
945  if (unformat (input, "%d", &bd_id))
946  {
947  if (unformat (input, "detail"))
948  detail = 1;
949  else if (unformat (input, "det"))
950  detail = 1;
951  if (unformat (input, "int"))
952  intf = 1;
953  if (unformat (input, "arp"))
954  arp = 1;
955  if (unformat (input, "bd-tag"))
956  bd_tag = 1;
957 
958  if (bd_id == 0)
959  return clib_error_return (0,
960  "No operations on the default bridge domain are supported");
961 
962  p = hash_get (bdm->bd_index_by_bd_id, bd_id);
963  if (p)
964  bd_index = *p;
965  else
966  return clib_error_return (0, "No such bridge domain %d", bd_id);
967 
969  bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
970  if (bd_is_valid (bd_config))
971  {
972  start = bd_index;
973  end = start + 1;
974  }
975  else
976  {
977  vlib_cli_output (vm, "bridge-domain %d not in use", bd_id);
978  goto done;
979  }
980  }
981 
982  /* Show all bridge-domains that have been initialized */
983  u32 printed = 0;
984  u8 *as = 0;
985  for (bd_index = start; bd_index < end; bd_index++)
986  {
987  bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
988  if (bd_is_valid (bd_config))
989  {
990  if (!printed)
991  {
992  printed = 1;
993  vlib_cli_output (vm,
994  "%=8s %=7s %=4s %=9s %=9s %=9s %=9s %=9s %=9s %=9s",
995  "BD-ID", "Index", "BSN", "Age(min)",
996  "Learning", "U-Forwrd", "UU-Flood", "Flooding",
997  "ARP-Term", "BVI-Intf");
998  }
999 
1000  if (bd_config->mac_age)
1001  as = format (as, "%d", bd_config->mac_age);
1002  else
1003  as = format (as, "off");
1004  vlib_cli_output (vm,
1005  "%=8d %=7d %=4d %=9v %=9s %=9s %=9s %=9s %=9s %=9U",
1006  bd_config->bd_id, bd_index, bd_config->seq_num, as,
1007  bd_config->feature_bitmap & L2INPUT_FEAT_LEARN ?
1008  "on" : "off",
1009  bd_config->feature_bitmap & L2INPUT_FEAT_FWD ?
1010  "on" : "off",
1011  bd_config->feature_bitmap & L2INPUT_FEAT_UU_FLOOD ?
1012  "on" : "off",
1013  bd_config->feature_bitmap & L2INPUT_FEAT_FLOOD ?
1014  "on" : "off",
1015  bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM ?
1016  "on" : "off",
1018  vnm, bd_config->bvi_sw_if_index);
1019  vec_reset_length (as);
1020 
1021  if (detail || intf)
1022  {
1023  /* Show all member interfaces */
1024  int i;
1025  vec_foreach_index (i, bd_config->members)
1026  {
1027  l2_flood_member_t *member =
1028  vec_elt_at_index (bd_config->members, i);
1029  u8 swif_seq_num = *l2fib_swif_seq_num (member->sw_if_index);
1030  u32 vtr_opr, dot1q, tag1, tag2;
1031  if (i == 0)
1032  {
1033  vlib_cli_output (vm, "\n%=30s%=7s%=5s%=5s%=5s%=9s%=30s",
1034  "Interface", "If-idx", "ISN", "SHG",
1035  "BVI", "TxFlood", "VLAN-Tag-Rewrite");
1036  }
1037  l2vtr_get (vm, vnm, member->sw_if_index, &vtr_opr, &dot1q,
1038  &tag1, &tag2);
1039  vlib_cli_output (vm, "%=30U%=7d%=5d%=5d%=5s%=9s%=30U",
1041  member->sw_if_index, member->sw_if_index,
1042  swif_seq_num, member->shg,
1043  member->flags & L2_FLOOD_MEMBER_BVI ? "*" :
1044  "-", i < bd_config->flood_count ? "*" : "-",
1045  format_vtr, vtr_opr, dot1q, tag1, tag2);
1046  }
1047  }
1048 
1049  if ((detail || arp) &&
1050  (bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM))
1051  {
1052  u32 ip4_addr;
1053  ip6_address_t *ip6_addr;
1054  u64 mac_addr;
1055  vlib_cli_output (vm,
1056  "\n IP4/IP6 to MAC table for ARP Termination");
1057 
1058  /* *INDENT-OFF* */
1059  hash_foreach (ip4_addr, mac_addr, bd_config->mac_by_ip4,
1060  ({
1061  vlib_cli_output (vm, "%=40U => %=20U",
1062  format_ip4_address, &ip4_addr,
1063  format_ethernet_address, &mac_addr);
1064  }));
1065 
1066  hash_foreach_mem (ip6_addr, mac_addr, bd_config->mac_by_ip6,
1067  ({
1068  vlib_cli_output (vm, "%=40U => %=20U",
1069  format_ip6_address, ip6_addr,
1070  format_ethernet_address, &mac_addr);
1071  }));
1072  /* *INDENT-ON* */
1073  }
1074 
1075  if ((detail || bd_tag) && (bd_config->bd_tag))
1076  {
1077  vlib_cli_output (vm, "\n BD-Tag: %s", bd_config->bd_tag);
1078 
1079  }
1080  }
1081  }
1082  vec_free (as);
1083 
1084  if (!printed)
1085  {
1086  vlib_cli_output (vm, "no bridge-domains in use");
1087  }
1088 
1089 done:
1090  return error;
1091 }
1092 
1093 /*?
1094  * Show a summary of all the bridge-domain instances or detailed view of a
1095  * single bridge-domain. Bridge-domains are created by adding an interface
1096  * to a bridge using the '<em>set interface l2 bridge</em>' command.
1097  *
1098  * @cliexpar
1099  * @parblock
1100  * Example of displaying all bridge-domains:
1101  * @cliexstart{show bridge-domain}
1102  * ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
1103  * 0 0 off off off off off local0
1104  * 200 1 on on on on off N/A
1105  * @cliexend
1106  *
1107  * Example of displaying details of a single bridge-domains:
1108  * @cliexstart{show bridge-domain 200 detail}
1109  * ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
1110  * 200 1 on on on on off N/A
1111  *
1112  * Interface Index SHG BVI VLAN-Tag-Rewrite
1113  * GigabitEthernet0/8/0.200 3 0 - none
1114  * GigabitEthernet0/9/0.200 4 0 - none
1115  * @cliexend
1116  * @endparblock
1117 ?*/
1118 /* *INDENT-OFF* */
1119 VLIB_CLI_COMMAND (bd_show_cli, static) = {
1120  .path = "show bridge-domain",
1121  .short_help = "show bridge-domain [bridge-domain-id [detail|int|arp|bd-tag]]",
1122  .function = bd_show,
1123 };
1124 /* *INDENT-ON* */
1125 
1126 int
1128 {
1129  bd_main_t *bdm = &bd_main;
1130  vlib_main_t *vm = bdm->vlib_main;
1131  int rv = 0;
1132 
1133  u32 bd_index = bd_find_index (bdm, a->bd_id);
1134  if (a->is_add)
1135  {
1136  if (bd_index != ~0)
1137  return VNET_API_ERROR_BD_ALREADY_EXISTS;
1138  if (a->bd_id > L2_BD_ID_MAX)
1139  return VNET_API_ERROR_BD_ID_EXCEED_MAX;
1140  bd_index = bd_add_bd_index (bdm, a->bd_id);
1141 
1142  u32 enable_flags = 0, disable_flags = 0;
1143  if (a->flood)
1144  enable_flags |= L2_FLOOD;
1145  else
1146  disable_flags |= L2_FLOOD;
1147 
1148  if (a->uu_flood)
1149  enable_flags |= L2_UU_FLOOD;
1150  else
1151  disable_flags |= L2_UU_FLOOD;
1152 
1153  if (a->forward)
1154  enable_flags |= L2_FWD;
1155  else
1156  disable_flags |= L2_FWD;
1157 
1158  if (a->learn)
1159  enable_flags |= L2_LEARN;
1160  else
1161  disable_flags |= L2_LEARN;
1162 
1163  if (a->arp_term)
1164  enable_flags |= L2_ARP_TERM;
1165  else
1166  disable_flags |= L2_ARP_TERM;
1167 
1168  if (enable_flags)
1169  bd_set_flags (vm, bd_index, enable_flags, 1 /* enable */ );
1170 
1171  if (disable_flags)
1172  bd_set_flags (vm, bd_index, disable_flags, 0 /* disable */ );
1173 
1174  bd_set_mac_age (vm, bd_index, a->mac_age);
1175 
1176  if (a->bd_tag)
1177  bd_set_bd_tag (vm, bd_index, a->bd_tag);
1178 
1179  }
1180  else
1181  {
1182  if (bd_index == ~0)
1183  return VNET_API_ERROR_NO_SUCH_ENTRY;
1184  if (bd_index == 0)
1185  return VNET_API_ERROR_BD_NOT_MODIFIABLE;
1186  if (vec_len (l2input_main.bd_configs[bd_index].members))
1187  return VNET_API_ERROR_BD_IN_USE;
1188  rv = bd_delete (bdm, bd_index);
1189  }
1190 
1191  return rv;
1192 }
1193 
1194 /**
1195  Create or delete bridge-domain.
1196  The CLI format:
1197  create bridge-domain <bd_index> [learn <0|1>] [forward <0|1>] [uu-flood <0|1>] [flood <0|1>]
1198  [arp-term <0|1>] [mac-age <nn>] [bd-tag <tag>] [del]
1199 */
1200 
1201 static clib_error_t *
1203  vlib_cli_command_t * cmd)
1204 {
1205  unformat_input_t _line_input, *line_input = &_line_input;
1206  clib_error_t *error = 0;
1207  u8 is_add = 1;
1208  u32 bd_id = ~0;
1209  u32 flood = 1, forward = 1, learn = 1, uu_flood = 1, arp_term = 0;
1210  u32 mac_age = 0;
1211  u8 *bd_tag = NULL;
1213  int rv;
1214 
1215  /* Get a line of input. */
1216  if (!unformat_user (input, unformat_line_input, line_input))
1217  return 0;
1218 
1219  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1220  {
1221  if (unformat (line_input, "%d", &bd_id))
1222  ;
1223  else if (unformat (line_input, "flood %d", &flood))
1224  ;
1225  else if (unformat (line_input, "uu-flood %d", &uu_flood))
1226  ;
1227  else if (unformat (line_input, "forward %d", &forward))
1228  ;
1229  else if (unformat (line_input, "learn %d", &learn))
1230  ;
1231  else if (unformat (line_input, "arp-term %d", &arp_term))
1232  ;
1233  else if (unformat (line_input, "mac-age %d", &mac_age))
1234  ;
1235  else if (unformat (line_input, "bd-tag %s", &bd_tag))
1236  ;
1237  else if (unformat (line_input, "del"))
1238  {
1239  is_add = 0;
1240  flood = uu_flood = forward = learn = 0;
1241  }
1242  else
1243  break;
1244  }
1245 
1246  if (bd_id == ~0)
1247  {
1248  error = clib_error_return (0, "bridge-domain-id not specified");
1249  goto done;
1250  }
1251 
1252  if (bd_id == 0)
1253  {
1254  error = clib_error_return (0, "bridge domain 0 can not be modified");
1255  goto done;
1256  }
1257 
1258  if (mac_age > 255)
1259  {
1260  error = clib_error_return (0, "mac age must be less than 256");
1261  goto done;
1262  }
1263  if ((bd_tag) && (strlen ((char *) bd_tag) > 63))
1264  {
1265  error = clib_error_return (0, "bd-tag cannot be longer than 63");
1266  goto done;
1267  }
1268 
1269  memset (a, 0, sizeof (*a));
1270  a->is_add = is_add;
1271  a->bd_id = bd_id;
1272  a->flood = (u8) flood;
1273  a->uu_flood = (u8) uu_flood;
1274  a->forward = (u8) forward;
1275  a->learn = (u8) learn;
1276  a->arp_term = (u8) arp_term;
1277  a->mac_age = (u8) mac_age;
1278  a->bd_tag = bd_tag;
1279 
1280  rv = bd_add_del (a);
1281 
1282  switch (rv)
1283  {
1284  case 0:
1285  if (is_add)
1286  vlib_cli_output (vm, "bridge-domain %d", bd_id);
1287  break;
1288  case VNET_API_ERROR_BD_IN_USE:
1289  error = clib_error_return (0, "bridge domain in use - remove members");
1290  goto done;
1291  case VNET_API_ERROR_NO_SUCH_ENTRY:
1292  error = clib_error_return (0, "bridge domain ID does not exist");
1293  goto done;
1294  case VNET_API_ERROR_BD_NOT_MODIFIABLE:
1295  error = clib_error_return (0, "bridge domain 0 can not be modified");
1296  goto done;
1297  case VNET_API_ERROR_BD_ID_EXCEED_MAX:
1298  error = clib_error_return (0, "bridge domain ID exceed 16M limit");
1299  goto done;
1300  default:
1301  error = clib_error_return (0, "bd_add_del returned %d", rv);
1302  goto done;
1303  }
1304 
1305 done:
1306  vec_free (bd_tag);
1307  unformat_free (line_input);
1308 
1309  return error;
1310 }
1311 
1312 
1313 /*?
1314  * Create/Delete bridge-domain instance
1315  *
1316  * @cliexpar
1317  * @parblock
1318  * Example of creating bridge-domain 1:
1319  * @cliexstart{create bridge-domain 1}
1320  * bridge-domain 1
1321  * @cliexend
1322  *
1323  * Example of creating bridge-domain 2 with enabling arp-term, mac-age 60:
1324  * @cliexstart{create bridge-domain 2 arp-term 1 mac-age 60}
1325  * bridge-domain 2
1326  *
1327  * vpp# show bridge-domain
1328  * ID Index BSN Age(min) Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
1329  * 0 0 0 off off off off off off local0
1330  * 1 1 0 off on on off on off N/A
1331  * 2 2 0 60 on on off on on N/A
1332  *
1333  * @cliexend
1334  *
1335  * Example of delete bridge-domain 1:
1336  * @cliexstart{create bridge-domain 1 del}
1337  * @cliexend
1338  * @endparblock
1339 ?*/
1340 
1341 /* *INDENT-OFF* */
1342 VLIB_CLI_COMMAND (bd_create_cli, static) = {
1343  .path = "create bridge-domain",
1344  .short_help = "create bridge-domain <bridge-domain-id>"
1345  " [learn <0|1>] [forward <0|1>] [uu-flood <0|1>] [flood <0|1>] [arp-term <0|1>]"
1346  " [mac-age <nn>] [bd-tag <tag>] [del]",
1347  .function = bd_add_del_command_fn,
1348 };
1349 /* *INDENT-ON* */
1350 
1351 
1352 
1353 /*
1354  * fd.io coding-style-patch-verification: ON
1355  *
1356  * Local Variables:
1357  * eval: (c-set-style "gnu")
1358  * End:
1359  */
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:432
u32 bd_set_flags(vlib_main_t *vm, u32 bd_index, u32 flags, u32 enable)
Set the learn/forward/flood flags for the bridge domain.
Definition: l2_bd.c:232
#define vec_foreach_index(var, v)
Iterate over vector indices.
#define hash_set(h, key, value)
Definition: hash.h:254
sll srl srl sll sra u16x4 i
Definition: vector_sse2.h:337
u8 * format_vnet_sw_if_index_name_with_NA(u8 *s, va_list *args)
Format sw_if_index.
Definition: l2_fib.c:70
#define hash_unset(h, key)
Definition: hash.h:260
a
Definition: bitmap.h:516
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
u32 bvi_sw_if_index
Definition: l2_bd.h:64
#define NULL
Definition: clib.h:55
#define L2_FLOOD
Definition: l2_bd.h:131
#define L2_FWD
Definition: l2_bd.h:130
static void update_flood_count(l2_bridge_domain_t *bd_config)
Definition: l2_bd.c:129
l2_flood_member_t * members
Definition: l2_bd.h:70
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:413
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:983
#define hash_set_mem(h, key, value)
Definition: hash.h:274
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:419
int bd_add_del(l2_bridge_domain_add_del_args_t *a)
Definition: l2_bd.c:1127
u32 bd_remove_member(l2_bridge_domain_t *bd_config, u32 sw_if_index)
Definition: l2_bd.c:175
#define L2_FLOOD_MEMBER_BVI
Definition: l2_bd.h:42
format_function_t format_vnet_sw_if_index_name
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
format_function_t format_ip4_address
Definition: format.h:79
vnet_flood_class_t flood_class
Definition: interface.h:618
u8 * format_ethernet_address(u8 *s, va_list *args)
Definition: format.c:44
unformat_function_t unformat_ip4_address
Definition: format.h:76
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:111
void bd_add_member(l2_bridge_domain_t *bd_config, l2_flood_member_t *member)
Definition: l2_bd.c:136
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:391
#define hash_foreach(key_var, value_var, h, body)
Definition: hash.h:441
clib_error_t * l2bd_init(vlib_main_t *vm)
Definition: l2_bd.c:207
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
#define L2_UU_FLOOD
Definition: l2_bd.h:132
#define clib_error_return(e, args...)
Definition: error.h:99
unsigned long u64
Definition: types.h:89
#define hash_get_pair(h, key)
Definition: hash.h:251
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:299
uword * bd_index_by_bd_id
Definition: l2_bd.h:27
unformat_function_t unformat_line_input
Definition: format.h:281
#define BD_REMOVE_ERROR_OK
Definition: l2_bd.c:171
#define hash_create_mem(elts, key_bytes, value_bytes)
Definition: hash.h:660
#define hash_get(h, key)
Definition: hash.h:248
#define hash_unset_mem(h, key)
Definition: hash.h:290
static void vlib_process_signal_event(vlib_main_t *vm, uword node_index, uword type_opaque, uword data)
Definition: node_funcs.h:950
struct _unformat_input_t unformat_input_t
#define hash_free(h)
Definition: hash.h:309
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:778
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:798
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:1202
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:456
uword * bd_index_bitmap
Definition: l2_bd.h:30
#define hash_foreach_mem(key_var, value_var, h, body)
Definition: hash.h:460
static u32 bd_is_valid(l2_bridge_domain_t *bd_config)
Definition: l2_bd.h:114
#define BD_REMOVE_ERROR_NOT_FOUND
Definition: l2_bd.c:172
static int bd_delete(bd_main_t *bdm, u32 bd_index)
Definition: l2_bd.c:93
unformat_function_t unformat_ip6_address
Definition: format.h:94
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:276
#define UNFORMAT_END_OF_INPUT
Definition: format.h:143
format_function_t format_ip6_address
Definition: format.h:95
vlib_main_t * vm
Definition: buffer.c:283
u32 tun_master_count
Definition: l2_bd.h:76
u32 bd_add_del_ip_mac(u32 bd_index, u8 *ip_addr, u8 *mac_addr, u8 is_ip6, u8 is_add)
Add/delete IP address to MAC address mapping.
Definition: l2_bd.c:723
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:336
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:326
#define clib_memcpy(a, b, c)
Definition: string.h:75
uword * mac_by_ip6
Definition: l2_bd.h:83
static_always_inline l2_bridge_domain_t * l2input_bd_config(u32 bd_index)
Definition: l2_input.h:90
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:154
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:927
#define hash_create(elts, value_bytes)
Definition: hash.h:681
#define L2_BD_ID_MAX
Definition: l2_bd.h:97
uword unformat_ethernet_address(unformat_input_t *input, va_list *args)
Definition: format.c:227
#define ASSERT(truth)
unsigned int u32
Definition: types.h:88
#define vec_delete(V, N, M)
Delete N elements starting at element M.
Definition: vec.h:781
#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:760
static void clib_mem_free(void *p)
Definition: mem.h:179
u32 tun_normal_count
Definition: l2_bd.h:79
static void * clib_mem_alloc(uword size)
Definition: mem.h:112
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:586
u64 uword
Definition: types.h:112
vlib_main_t * vlib_main
Definition: l2_bd.h:33
static clib_error_t * bd_mac_age(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: l2_bd.c:624
unsigned short u16
Definition: types.h:57
l2input_main_t l2input_main
Definition: l2_input.c:113
u32 feature_bitmap
Definition: l2_bd.h:56
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
unsigned char u8
Definition: types.h:56
#define L2_ARP_TERM
Definition: l2_bd.h:133
static void unformat_free(unformat_input_t *i)
Definition: format.h:161
l2_bridge_domain_t * bd_configs
Definition: l2_input.h:69
static clib_error_t * bd_uu_flood(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Set bridge-domain unkown-unicast flood enable/disable.
Definition: l2_bd.c:521
u8 * format_vtr(u8 *s, va_list *args)
Definition: l2_bd.c:887
#define hash_get_mem(h, key)
Definition: hash.h:268
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
#define vec_foreach(var, vec)
Vector iterator.
uword * mac_by_ip4
Definition: l2_bd.h:82
u32 sw_if_index
Definition: l2_bd.h:46
u32 bd_find_index(bd_main_t *bdm, u32 bd_id)
Get a bridge domain.
Definition: l2_bd.c:67
static uword clib_bitmap_first_clear(uword *ai)
Return the lowest numbered clear bit in a bitmap.
Definition: bitmap.h:424
u32 flags
Definition: vhost-user.h:77
bd_main_t bd_main
Definition: l2_bd.c:44
#define L2_LEARN
Definition: l2_bd.h:129
vlib_node_registration_t l2fib_mac_age_scanner_process_node
(constructor) VLIB_REGISTER_NODE (l2fib_mac_age_scanner_process_node)
Definition: l2_fib.c:1200
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:680
u32 bd_add_bd_index(bd_main_t *bdm, u32 bd_id)
Create a bridge domain.
Definition: l2_bd.c:76
uword key
Definition: hash.h:161
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:169