2 * l2_bd.c : layer 2 bridge domain
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:
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 #include <vlib/vlib.h>
19 #include <vnet/vnet.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>
32 #include <vppinfra/error.h>
33 #include <vppinfra/hash.h>
34 #include <vppinfra/vec.h>
38 * @brief Ethernet Bridge Domain.
40 * Code in this file manages Layer 2 bridge domains.
47 Init bridge domain if not done already.
48 For feature bitmap, set all bits except ARP termination
51 bd_validate (l2_bridge_domain_t * bd_config)
53 if (!bd_is_valid (bd_config))
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),
68 bd_find_or_add_bd_index (bd_main_t * bdm, u32 bd_id)
76 while (hash_get (bdm->bd_index_by_bd_id, bd_id))
81 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
86 rv = clib_bitmap_first_clear (bdm->bd_index_bitmap);
88 /* mark this index busy */
89 bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap, rv, 1);
91 hash_set (bdm->bd_index_by_bd_id, bd_id, rv);
93 vec_validate (l2input_main.bd_configs, rv);
94 l2input_main.bd_configs[rv].bd_id = bd_id;
100 bd_delete_bd_index (bd_main_t * bdm, u32 bd_id)
105 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
107 return VNET_API_ERROR_NO_SUCH_ENTRY;
111 /* mark this index clear */
112 bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap, bd_index, 0);
113 hash_unset (bdm->bd_index_by_bd_id, bd_id);
115 l2input_main.bd_configs[bd_index].bd_id = ~0;
116 l2input_main.bd_configs[bd_index].feature_bitmap = 0;
118 l2fib_flush_bd_mac (vlib_get_main (), bd_index);
124 update_flood_count (l2_bridge_domain_t * bd_config)
126 bd_config->flood_count = vec_len (bd_config->members) -
127 (bd_config->tun_master_count ? bd_config->tun_normal_count : 0);
131 bd_add_member (l2_bridge_domain_t * bd_config, l2_flood_member_t * member)
134 vnet_sw_interface_t *sw_if = vnet_get_sw_interface
135 (vnet_get_main (), member->sw_if_index);
138 * Add one element to the vector
139 * vector is ordered [ bvi, normal/tun_masters..., tun_normals... ]
140 * When flooding, the bvi interface (if present) must be the last member
141 * processed due to how BVI processing can change the packet. To enable
142 * this order, we make the bvi interface the first in the vector and
143 * flooding walks the vector in reverse.
145 switch (sw_if->flood_class)
147 case VNET_FLOOD_CLASS_TUNNEL_MASTER:
148 bd_config->tun_master_count++;
152 case VNET_FLOOD_CLASS_NORMAL:
153 ix = (member->flags & L2_FLOOD_MEMBER_BVI) ? 0 :
154 vec_len (bd_config->members) - bd_config->tun_normal_count;
156 case VNET_FLOOD_CLASS_TUNNEL_NORMAL:
157 ix = vec_len (bd_config->members);
158 bd_config->tun_normal_count++;
162 vec_insert_elts (bd_config->members, member, 1, ix);
163 update_flood_count (bd_config);
166 #define BD_REMOVE_ERROR_OK 0
167 #define BD_REMOVE_ERROR_NOT_FOUND 1
170 bd_remove_member (l2_bridge_domain_t * bd_config, u32 sw_if_index)
174 /* Find and delete the member */
175 vec_foreach_index (ix, bd_config->members)
177 l2_flood_member_t *m = vec_elt_at_index (bd_config->members, ix);
178 if (m->sw_if_index == sw_if_index)
180 vnet_sw_interface_t *sw_if = vnet_get_sw_interface
181 (vnet_get_main (), sw_if_index);
183 if (sw_if->flood_class != VNET_FLOOD_CLASS_NORMAL)
185 if (sw_if->flood_class == VNET_FLOOD_CLASS_TUNNEL_MASTER)
186 bd_config->tun_master_count--;
187 else if (sw_if->flood_class == VNET_FLOOD_CLASS_TUNNEL_NORMAL)
188 bd_config->tun_normal_count--;
190 vec_delete (bd_config->members, 1, ix);
191 update_flood_count (bd_config);
193 return BD_REMOVE_ERROR_OK;
197 return BD_REMOVE_ERROR_NOT_FOUND;
202 l2bd_init (vlib_main_t * vm)
204 bd_main_t *bdm = &bd_main;
206 bdm->bd_index_by_bd_id = hash_create (0, sizeof (uword));
208 * create a dummy bd with bd_id of 0 and bd_index of 0 with feature set
209 * to packet drop only. Thus, packets received from any L2 interface with
210 * uninitialized bd_index of 0 can be dropped safely.
212 bd_index = bd_find_or_add_bd_index (bdm, 0);
213 ASSERT (bd_index == 0);
214 l2input_main.bd_configs[0].feature_bitmap = L2INPUT_FEAT_DROP;
220 VLIB_INIT_FUNCTION (l2bd_init);
224 Set the learn/forward/flood flags for the bridge domain.
225 Return 0 if ok, non-zero if for an error.
228 bd_set_flags (vlib_main_t * vm, u32 bd_index, u32 flags, u32 enable)
231 l2_bridge_domain_t *bd_config;
232 u32 feature_bitmap = 0;
234 vec_validate (l2input_main.bd_configs, bd_index);
235 bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
237 bd_validate (bd_config);
239 if (flags & L2_LEARN)
241 feature_bitmap |= L2INPUT_FEAT_LEARN;
245 feature_bitmap |= L2INPUT_FEAT_FWD;
247 if (flags & L2_FLOOD)
249 feature_bitmap |= L2INPUT_FEAT_FLOOD;
251 if (flags & L2_UU_FLOOD)
253 feature_bitmap |= L2INPUT_FEAT_UU_FLOOD;
255 if (flags & L2_ARP_TERM)
257 feature_bitmap |= L2INPUT_FEAT_ARP_TERM;
262 bd_config->feature_bitmap |= feature_bitmap;
266 bd_config->feature_bitmap &= ~feature_bitmap;
273 Set the mac age for the bridge domain.
276 bd_set_mac_age (vlib_main_t * vm, u32 bd_index, u8 age)
278 l2_bridge_domain_t *bd_config;
281 vec_validate (l2input_main.bd_configs, bd_index);
282 bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
283 bd_config->mac_age = age;
285 /* check if there is at least one bd with mac aging enabled */
286 vec_foreach (bd_config, l2input_main.bd_configs)
287 if (bd_config->bd_id != ~0 && bd_config->mac_age != 0)
290 vlib_process_signal_event (vm, l2fib_mac_age_scanner_process_node.index,
291 enable ? L2_MAC_AGE_PROCESS_EVENT_START :
292 L2_MAC_AGE_PROCESS_EVENT_STOP, 0);
296 Set bridge-domain learn enable/disable.
298 set bridge-domain learn <bd_id> [disable]
300 static clib_error_t *
301 bd_learn (vlib_main_t * vm,
302 unformat_input_t * input, vlib_cli_command_t * cmd)
304 bd_main_t *bdm = &bd_main;
305 clib_error_t *error = 0;
310 if (!unformat (input, "%d", &bd_id))
312 error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
313 format_unformat_error, input);
317 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
320 return clib_error_return (0, "No such bridge domain %d", bd_id);
325 if (unformat (input, "disable"))
330 /* set the bridge domain flag */
331 if (bd_set_flags (vm, bd_index, L2_LEARN, enable))
334 clib_error_return (0, "bridge-domain id %d out of range", bd_index);
343 * Layer 2 learning can be enabled and disabled on each
344 * interface and on each bridge-domain. Use this command to
345 * manage bridge-domains. It is enabled by default.
348 * Example of how to enable learning (where 200 is the bridge-domain-id):
349 * @cliexcmd{set bridge-domain learn 200}
350 * Example of how to disable learning (where 200 is the bridge-domain-id):
351 * @cliexcmd{set bridge-domain learn 200 disable}
354 VLIB_CLI_COMMAND (bd_learn_cli, static) = {
355 .path = "set bridge-domain learn",
356 .short_help = "set bridge-domain learn <bridge-domain-id> [disable]",
357 .function = bd_learn,
362 Set bridge-domain forward enable/disable.
364 set bridge-domain forward <bd_index> [disable]
366 static clib_error_t *
367 bd_fwd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
369 bd_main_t *bdm = &bd_main;
370 clib_error_t *error = 0;
375 if (!unformat (input, "%d", &bd_id))
377 error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
378 format_unformat_error, input);
382 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
385 return clib_error_return (0, "No such bridge domain %d", bd_id);
390 if (unformat (input, "disable"))
395 /* set the bridge domain flag */
396 if (bd_set_flags (vm, bd_index, L2_FWD, enable))
399 clib_error_return (0, "bridge-domain id %d out of range", bd_index);
409 * Layer 2 unicast forwarding can be enabled and disabled on each
410 * interface and on each bridge-domain. Use this command to
411 * manage bridge-domains. It is enabled by default.
414 * Example of how to enable forwarding (where 200 is the bridge-domain-id):
415 * @cliexcmd{set bridge-domain forward 200}
416 * Example of how to disable forwarding (where 200 is the bridge-domain-id):
417 * @cliexcmd{set bridge-domain forward 200 disable}
420 VLIB_CLI_COMMAND (bd_fwd_cli, static) = {
421 .path = "set bridge-domain forward",
422 .short_help = "set bridge-domain forward <bridge-domain-id> [disable]",
428 Set bridge-domain flood enable/disable.
430 set bridge-domain flood <bd_index> [disable]
432 static clib_error_t *
433 bd_flood (vlib_main_t * vm,
434 unformat_input_t * input, vlib_cli_command_t * cmd)
436 bd_main_t *bdm = &bd_main;
437 clib_error_t *error = 0;
442 if (!unformat (input, "%d", &bd_id))
444 error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
445 format_unformat_error, input);
449 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
452 return clib_error_return (0, "No such bridge domain %d", bd_id);
457 if (unformat (input, "disable"))
462 /* set the bridge domain flag */
463 if (bd_set_flags (vm, bd_index, L2_FLOOD, enable))
466 clib_error_return (0, "bridge-domain id %d out of range", bd_index);
475 * Layer 2 flooding can be enabled and disabled on each
476 * interface and on each bridge-domain. Use this command to
477 * manage bridge-domains. It is enabled by default.
480 * Example of how to enable flooding (where 200 is the bridge-domain-id):
481 * @cliexcmd{set bridge-domain flood 200}
482 * Example of how to disable flooding (where 200 is the bridge-domain-id):
483 * @cliexcmd{set bridge-domain flood 200 disable}
486 VLIB_CLI_COMMAND (bd_flood_cli, static) = {
487 .path = "set bridge-domain flood",
488 .short_help = "set bridge-domain flood <bridge-domain-id> [disable]",
489 .function = bd_flood,
494 Set bridge-domain unkown-unicast flood enable/disable.
496 set bridge-domain uu-flood <bd_index> [disable]
498 static clib_error_t *
499 bd_uu_flood (vlib_main_t * vm,
500 unformat_input_t * input, vlib_cli_command_t * cmd)
502 bd_main_t *bdm = &bd_main;
503 clib_error_t *error = 0;
508 if (!unformat (input, "%d", &bd_id))
510 error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
511 format_unformat_error, input);
515 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
518 return clib_error_return (0, "No such bridge domain %d", bd_id);
523 if (unformat (input, "disable"))
528 /* set the bridge domain flag */
529 if (bd_set_flags (vm, bd_index, L2_UU_FLOOD, enable))
532 clib_error_return (0, "bridge-domain id %d out of range", bd_index);
541 * Layer 2 unknown-unicast flooding can be enabled and disabled on each
542 * bridge-domain. It is enabled by default.
545 * Example of how to enable unknown-unicast flooding (where 200 is the
547 * @cliexcmd{set bridge-domain uu-flood 200}
548 * Example of how to disable unknown-unicast flooding (where 200 is the bridge-domain-id):
549 * @cliexcmd{set bridge-domain uu-flood 200 disable}
552 VLIB_CLI_COMMAND (bd_uu_flood_cli, static) = {
553 .path = "set bridge-domain uu-flood",
554 .short_help = "set bridge-domain uu-flood <bridge-domain-id> [disable]",
555 .function = bd_uu_flood,
560 Set bridge-domain arp term enable/disable.
562 set bridge-domain arp term <bridge-domain-id> [disable]
564 static clib_error_t *
565 bd_arp_term (vlib_main_t * vm,
566 unformat_input_t * input, vlib_cli_command_t * cmd)
568 bd_main_t *bdm = &bd_main;
569 clib_error_t *error = 0;
574 if (!unformat (input, "%d", &bd_id))
576 error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
577 format_unformat_error, input);
581 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
585 return clib_error_return (0, "No such bridge domain %d", bd_id);
588 if (unformat (input, "disable"))
591 /* set the bridge domain flag */
592 if (bd_set_flags (vm, bd_index, L2_ARP_TERM, enable))
595 clib_error_return (0, "bridge-domain id %d out of range", bd_index);
603 static clib_error_t *
604 bd_mac_age (vlib_main_t * vm,
605 unformat_input_t * input, vlib_cli_command_t * cmd)
607 bd_main_t *bdm = &bd_main;
608 clib_error_t *error = 0;
613 if (!unformat (input, "%d", &bd_id))
615 error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
616 format_unformat_error, input);
620 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
623 return clib_error_return (0, "No such bridge domain %d", bd_id);
627 if (!unformat (input, "%u", &age))
630 clib_error_return (0, "expecting ageing time in minutes but got `%U'",
631 format_unformat_error, input);
635 /* set the bridge domain flag */
639 clib_error_return (0, "mac aging time cannot be bigger than 255");
642 bd_set_mac_age (vm, bd_index, (u8) age);
649 * Layer 2 mac aging can be enabled and disabled on each
650 * bridge-domain. Use this command to set or disable mac aging
651 * on specific bridge-domains. It is disabled by default.
654 * Example of how to set mac aging (where 200 is the bridge-domain-id and
655 * 5 is aging time in minutes):
656 * @cliexcmd{set bridge-domain mac-age 200 5}
657 * Example of how to disable mac aging (where 200 is the bridge-domain-id):
658 * @cliexcmd{set bridge-domain flood 200 0}
661 VLIB_CLI_COMMAND (bd_mac_age_cli, static) = {
662 .path = "set bridge-domain mac-age",
663 .short_help = "set bridge-domain mac-age <bridge-domain-id> <mins>",
664 .function = bd_mac_age,
669 * Modify whether or not an existing bridge-domain should terminate and respond
670 * to ARP Requests. ARP Termination is disabled by default.
673 * Example of how to enable ARP termination (where 200 is the bridge-domain-id):
674 * @cliexcmd{set bridge-domain arp term 200}
675 * Example of how to disable ARP termination (where 200 is the bridge-domain-id):
676 * @cliexcmd{set bridge-domain arp term 200 disable}
679 VLIB_CLI_COMMAND (bd_arp_term_cli, static) = {
680 .path = "set bridge-domain arp term",
681 .short_help = "set bridge-domain arp term <bridge-domain-id> [disable]",
682 .function = bd_arp_term,
688 * Add/delete IP address to MAC address mapping.
690 * The clib hash implementation stores uword entries in the hash table.
691 * The hash table mac_by_ip4 is keyed via IP4 address and store the
692 * 6-byte MAC address directly in the hash table entry uword.
694 * @warning This only works for 64-bit processor with 8-byte uword;
695 * which means this code *WILL NOT WORK* for a 32-bit prcessor with
699 bd_add_del_ip_mac (u32 bd_index,
700 u8 * ip_addr, u8 * mac_addr, u8 is_ip6, u8 is_add)
702 l2input_main_t *l2im = &l2input_main;
703 l2_bridge_domain_t *bd_cfg = l2input_bd_config_from_index (l2im, bd_index);
704 u64 new_mac = *(u64 *) mac_addr;
706 u16 *mac16 = (u16 *) & new_mac;
708 ASSERT (sizeof (uword) == sizeof (u64)); /* make sure uword is 8 bytes */
710 mac16[3] = 0; /* Clear last 2 unsed bytes of the 8-byte MAC address */
713 ip6_address_t *ip6_addr_key;
715 old_mac = (u64 *) hash_get_mem (bd_cfg->mac_by_ip6, ip_addr);
719 { /* new entry - allocate and craete ip6 address key */
720 ip6_addr_key = clib_mem_alloc (sizeof (ip6_address_t));
721 clib_memcpy (ip6_addr_key, ip_addr, sizeof (ip6_address_t));
723 else if (*old_mac == new_mac)
724 { /* same mac entry already exist for ip6 address */
728 { /* updat mac for ip6 address */
729 hp = hash_get_pair (bd_cfg->mac_by_ip6, ip_addr);
730 ip6_addr_key = (ip6_address_t *) hp->key;
732 hash_set_mem (bd_cfg->mac_by_ip6, ip6_addr_key, new_mac);
736 if (old_mac && (*old_mac == new_mac))
738 hp = hash_get_pair (bd_cfg->mac_by_ip6, ip_addr);
739 ip6_addr_key = (ip6_address_t *) hp->key;
740 hash_unset_mem (bd_cfg->mac_by_ip6, ip_addr);
741 clib_mem_free (ip6_addr_key);
749 ip4_address_t ip4_addr = *(ip4_address_t *) ip_addr;
750 old_mac = (u64 *) hash_get (bd_cfg->mac_by_ip4, ip4_addr.as_u32);
753 if (old_mac && (*old_mac == new_mac))
754 return 0; /* mac entry already exist */
755 hash_set (bd_cfg->mac_by_ip4, ip4_addr.as_u32, new_mac);
759 if (old_mac && (*old_mac == new_mac))
760 hash_unset (bd_cfg->mac_by_ip4, ip4_addr.as_u32);
769 Set bridge-domain arp entry add/delete.
771 set bridge-domain arp entry <bridge-domain-id> <ip-addr> <mac-addr> [del]
773 static clib_error_t *
774 bd_arp_entry (vlib_main_t * vm,
775 unformat_input_t * input, vlib_cli_command_t * cmd)
777 bd_main_t *bdm = &bd_main;
778 clib_error_t *error = 0;
786 if (!unformat (input, "%d", &bd_id))
788 error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
789 format_unformat_error, input);
793 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
798 return clib_error_return (0, "No such bridge domain %d", bd_id);
800 if (unformat (input, "%U", unformat_ip4_address, ip_addr))
804 else if (unformat (input, "%U", unformat_ip6_address, ip_addr))
810 error = clib_error_return (0, "expecting IP address but got `%U'",
811 format_unformat_error, input);
815 if (!unformat (input, "%U", unformat_ethernet_address, mac_addr))
817 error = clib_error_return (0, "expecting MAC address but got `%U'",
818 format_unformat_error, input);
822 if (unformat (input, "del"))
827 /* set the bridge domain flagAdd IP-MAC entry into bridge domain */
828 if (bd_add_del_ip_mac (bd_index, ip_addr, mac_addr, is_ip6, is_add))
830 error = clib_error_return (0, "MAC %s for IP %U and MAC %U failed",
831 is_add ? "add" : "del",
833 format_ip4_address : format_ip6_address,
834 ip_addr, format_ethernet_address, mac_addr);
842 * Add an ARP entry to an existing bridge-domain.
845 * Example of how to add an ARP entry (where 200 is the bridge-domain-id):
846 * @cliexcmd{set bridge-domain arp entry 200 192.168.72.45 52:54:00:3b:83:1a}
847 * Example of how to delete an ARP entry (where 200 is the bridge-domain-id):
848 * @cliexcmd{set bridge-domain arp entry 200 192.168.72.45 52:54:00:3b:83:1a del}
851 VLIB_CLI_COMMAND (bd_arp_entry_cli, static) = {
852 .path = "set bridge-domain arp entry",
853 .short_help = "set bridge-domain arp entry <bridge-domain-id> <ip-addr> <mac-addr> [del]",
854 .function = bd_arp_entry,
859 format_vtr (u8 * s, va_list * args)
861 u32 vtr_op = va_arg (*args, u32);
862 u32 dot1q = va_arg (*args, u32);
863 u32 tag1 = va_arg (*args, u32);
864 u32 tag2 = va_arg (*args, u32);
867 case L2_VTR_DISABLED:
868 return format (s, "none");
870 return format (s, "push-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
872 return format (s, "push-2 %s %d %d", dot1q ? "dot1q" : "dot1ad", tag1,
875 return format (s, "pop-1");
877 return format (s, "pop-2");
878 case L2_VTR_TRANSLATE_1_1:
879 return format (s, "trans-1-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
880 case L2_VTR_TRANSLATE_1_2:
881 return format (s, "trans-1-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
883 case L2_VTR_TRANSLATE_2_1:
884 return format (s, "trans-2-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
885 case L2_VTR_TRANSLATE_2_2:
886 return format (s, "trans-2-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
889 return format (s, "none");
894 Show bridge-domain state.
896 show bridge-domain [<bd_index>]
898 static clib_error_t *
899 bd_show (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
901 vnet_main_t *vnm = vnet_get_main ();
902 bd_main_t *bdm = &bd_main;
903 clib_error_t *error = 0;
905 l2_bridge_domain_t *bd_config;
914 end = vec_len (l2input_main.bd_configs);
916 if (unformat (input, "%d", &bd_id))
918 if (unformat (input, "detail"))
920 else if (unformat (input, "det"))
922 if (unformat (input, "int"))
924 if (unformat (input, "arp"))
927 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
931 return clib_error_return (0, "No such bridge domain %d", bd_id);
933 vec_validate (l2input_main.bd_configs, bd_index);
934 bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
935 if (bd_is_valid (bd_config))
942 vlib_cli_output (vm, "bridge-domain %d not in use", bd_id);
947 /* Show all bridge-domains that have been initialized */
950 for (bd_index = start; bd_index < end; bd_index++)
952 bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
953 if (bd_is_valid (bd_config))
959 "%=5s %=7s %=4s %=9s %=9s %=9s %=9s %=9s %=9s %=9s",
960 "ID", "Index", "BSN", "Age(min)", "Learning",
961 "U-Forwrd", "UU-Flood", "Flooding", "ARP-Term",
965 if (bd_config->mac_age)
966 as = format (as, "%d", bd_config->mac_age);
968 as = format (as, "off");
970 "%=5d %=7d %=4d %=9v %=9s %=9s %=9s %=9s %=9s %=9U",
971 bd_config->bd_id, bd_index, bd_config->seq_num, as,
972 bd_config->feature_bitmap & L2INPUT_FEAT_LEARN ?
974 bd_config->feature_bitmap & L2INPUT_FEAT_FWD ?
976 bd_config->feature_bitmap & L2INPUT_FEAT_UU_FLOOD ?
978 bd_config->feature_bitmap & L2INPUT_FEAT_FLOOD ?
980 bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM ?
982 format_vnet_sw_if_index_name_with_NA,
983 vnm, bd_config->bvi_sw_if_index);
984 vec_reset_length (as);
988 /* Show all member interfaces */
990 vec_foreach_index (i, bd_config->members)
992 l2_flood_member_t *member =
993 vec_elt_at_index (bd_config->members, i);
994 l2_input_config_t *int_config =
995 l2input_intf_config (member->sw_if_index);
996 u32 vtr_opr, dot1q, tag1, tag2;
999 vlib_cli_output (vm, "\n%=30s%=7s%=5s%=5s%=5s%=9s%=30s",
1000 "Interface", "If-idx", "ISN", "SHG",
1001 "BVI", "TxFlood", "VLAN-Tag-Rewrite");
1003 l2vtr_get (vm, vnm, member->sw_if_index, &vtr_opr, &dot1q,
1005 vlib_cli_output (vm, "%=30U%=7d%=5d%=5d%=5s%=9s%=30U",
1006 format_vnet_sw_if_index_name, vnm,
1007 member->sw_if_index, member->sw_if_index,
1008 int_config->seq_num, member->shg,
1009 member->flags & L2_FLOOD_MEMBER_BVI ? "*" :
1010 "-", i < bd_config->flood_count ? "*" : "-",
1011 format_vtr, vtr_opr, dot1q, tag1, tag2);
1015 if ((detail || arp) &&
1016 (bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM))
1019 ip6_address_t *ip6_addr;
1021 vlib_cli_output (vm,
1022 "\n IP4/IP6 to MAC table for ARP Termination");
1025 hash_foreach (ip4_addr, mac_addr, bd_config->mac_by_ip4,
1027 vlib_cli_output (vm, "%=40U => %=20U",
1028 format_ip4_address, &ip4_addr,
1029 format_ethernet_address, &mac_addr);
1032 hash_foreach_mem (ip6_addr, mac_addr, bd_config->mac_by_ip6,
1034 vlib_cli_output (vm, "%=40U => %=20U",
1035 format_ip6_address, ip6_addr,
1036 format_ethernet_address, &mac_addr);
1046 vlib_cli_output (vm, "no bridge-domains in use");
1054 * Show a summary of all the bridge-domain instances or detailed view of a
1055 * single bridge-domain. Bridge-domains are created by adding an interface
1056 * to a bridge using the '<em>set interface l2 bridge</em>' command.
1060 * Example of displaying all bridge-domains:
1061 * @cliexstart{show bridge-domain}
1062 * ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
1063 * 0 0 off off off off off local0
1064 * 200 1 on on on on off N/A
1067 * Example of displaying details of a single bridge-domains:
1068 * @cliexstart{show bridge-domain 200 detail}
1069 * ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
1070 * 200 1 on on on on off N/A
1072 * Interface Index SHG BVI VLAN-Tag-Rewrite
1073 * GigabitEthernet0/8/0.200 3 0 - none
1074 * GigabitEthernet0/9/0.200 4 0 - none
1079 VLIB_CLI_COMMAND (bd_show_cli, static) = {
1080 .path = "show bridge-domain",
1081 .short_help = "show bridge-domain [bridge-domain-id [detail|int|arp]]",
1082 .function = bd_show,
1087 bd_add_del (l2_bridge_domain_add_del_args_t * a)
1089 bd_main_t *bdm = &bd_main;
1090 vlib_main_t *vm = bdm->vlib_main;
1091 u32 enable_flags = 0, disable_flags = 0;
1097 bd_index = bd_find_or_add_bd_index (bdm, a->bd_id);
1102 enable_flags |= L2_FLOOD;
1104 disable_flags |= L2_FLOOD;
1107 enable_flags |= L2_UU_FLOOD;
1109 disable_flags |= L2_UU_FLOOD;
1112 enable_flags |= L2_FWD;
1114 disable_flags |= L2_FWD;
1117 enable_flags |= L2_LEARN;
1119 disable_flags |= L2_LEARN;
1122 enable_flags |= L2_ARP_TERM;
1124 disable_flags |= L2_ARP_TERM;
1127 bd_set_flags (vm, bd_index, enable_flags, 1 /* enable */ );
1130 bd_set_flags (vm, bd_index, disable_flags, 0 /* disable */ );
1132 bd_set_mac_age (vm, bd_index, a->mac_age);
1135 rv = bd_delete_bd_index (bdm, a->bd_id);
1141 Create or delete bridge-domain.
1143 create bridge-domain <bd_index> [learn <0|1>] [forward <0|1>] [uu-flood <0|1>]
1144 [flood <0|1>] [arp-term <0|1>] [mac-age <nn>] [del]
1147 static clib_error_t *
1148 bd_add_del_command_fn (vlib_main_t * vm, unformat_input_t * input,
1149 vlib_cli_command_t * cmd)
1151 unformat_input_t _line_input, *line_input = &_line_input;
1152 clib_error_t *error = 0;
1155 u32 flood = 1, forward = 1, learn = 1, uu_flood = 0, arp_term = 0;
1157 l2_bridge_domain_add_del_args_t _a, *a = &_a;
1160 /* Get a line of input. */
1161 if (!unformat_user (input, unformat_line_input, line_input))
1164 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1166 if (unformat (line_input, "%d", &bd_id))
1168 else if (unformat (line_input, "flood %d", &flood))
1170 else if (unformat (line_input, "uu-flood %d", &uu_flood))
1172 else if (unformat (line_input, "forward %d", &forward))
1174 else if (unformat (line_input, "arp-term %d", &arp_term))
1176 else if (unformat (line_input, "mac-age %d", &mac_age))
1178 else if (unformat (line_input, "del"))
1181 flood = uu_flood = forward = learn = 0;
1189 error = clib_error_return (0, "bridge-domain-id not specified");
1195 error = clib_error_return (0, "mac age must be less than 256");
1199 memset (a, 0, sizeof (*a));
1202 a->flood = (u8) flood;
1203 a->uu_flood = (u8) uu_flood;
1204 a->forward = (u8) forward;
1205 a->learn = (u8) learn;
1206 a->arp_term = (u8) arp_term;
1207 a->mac_age = (u8) mac_age;
1209 rv = bd_add_del (a);
1215 vlib_cli_output (vm, "bridge-domain %d", bd_id);
1217 case VNET_API_ERROR_NO_SUCH_ENTRY:
1218 error = clib_error_return (0, "bridge domain id does not exist");
1221 error = clib_error_return (0, "bd_add_del returned %d", rv);
1226 unformat_free (line_input);
1233 * Create/Delete bridge-domain instance
1237 * Example of creating bridge-domain 1:
1238 * @cliexstart{create bridge-domain 1}
1242 * Example of creating bridge-domain 2 with enabling arp-term, mac-age 60:
1243 * @cliexstart{create bridge-domain 2 arp-term 1 mac-age 60}
1246 * vpp# show bridge-domain
1247 * ID Index BSN Age(min) Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
1248 * 0 0 0 off off off off off off local0
1249 * 1 1 0 off on on off on off N/A
1250 * 2 2 0 60 on on off on on N/A
1254 * Example of delete bridge-domain 1:
1255 * @cliexstart{create bridge-domain 1 del}
1261 VLIB_CLI_COMMAND (bd_create_cli, static) = {
1262 .path = "create bridge-domain",
1263 .short_help = "create bridge-domain <bridge-domain-id>"
1264 " [learn <0|1>] [forward <0|1>] [uu-flood <0|1>] [flood <0|1>] [arp-term <0|1>]"
1265 " [mac-age <nn>] [del]",
1266 .function = bd_add_del_command_fn,
1273 * fd.io coding-style-patch-verification: ON
1276 * eval: (c-set-style "gnu")