2 *------------------------------------------------------------------
3 * l2_api.c - layer 2 forwarding api
5 * Copyright (c) 2016 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
20 #include <vnet/vnet.h>
21 #include <vlibmemory/api.h>
23 #include <vnet/interface.h>
24 #include <vnet/api_errno.h>
25 #include <vnet/l2/l2_input.h>
26 #include <vnet/l2/l2_fib.h>
27 #include <vnet/l2/l2_vtr.h>
28 #include <vnet/l2/l2_learn.h>
29 #include <vnet/l2/l2_bd.h>
30 #include <vnet/l2/l2_bvi.h>
31 #include <vnet/l2/l2_arp_term.h>
32 #include <vnet/ip/ip_types_api.h>
33 #include <vnet/ethernet/ethernet_types_api.h>
35 #include <vnet/vnet_msg_enum.h>
37 #define vl_typedefs /* define message structures */
38 #include <vnet/vnet_all_api_h.h>
41 #define vl_endianfun /* define message structures */
42 #include <vnet/vnet_all_api_h.h>
45 /* instantiate all the print functions we know about */
46 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
48 #include <vnet/vnet_all_api_h.h>
51 #include <vlibapi/api_helper_macros.h>
53 #define foreach_vpe_api_msg \
54 _ (L2_XCONNECT_DUMP, l2_xconnect_dump) \
55 _ (L2_FIB_CLEAR_TABLE, l2_fib_clear_table) \
56 _ (L2_FIB_TABLE_DUMP, l2_fib_table_dump) \
57 _ (L2FIB_FLUSH_ALL, l2fib_flush_all) \
58 _ (L2FIB_FLUSH_INT, l2fib_flush_int) \
59 _ (L2FIB_FLUSH_BD, l2fib_flush_bd) \
60 _ (L2FIB_ADD_DEL, l2fib_add_del) \
61 _ (WANT_L2_MACS_EVENTS, want_l2_macs_events) \
62 _ (L2_FLAGS, l2_flags) \
63 _ (SW_INTERFACE_SET_L2_XCONNECT, sw_interface_set_l2_xconnect) \
64 _ (SW_INTERFACE_SET_L2_BRIDGE, sw_interface_set_l2_bridge) \
65 _ (L2_PATCH_ADD_DEL, l2_patch_add_del) \
66 _ (L2_INTERFACE_EFP_FILTER, l2_interface_efp_filter) \
67 _ (BD_IP_MAC_ADD_DEL, bd_ip_mac_add_del) \
68 _ (BD_IP_MAC_FLUSH, bd_ip_mac_flush) \
69 _ (BD_IP_MAC_DUMP, bd_ip_mac_dump) \
70 _ (BRIDGE_DOMAIN_ADD_DEL, bridge_domain_add_del) \
71 _ (BRIDGE_DOMAIN_DUMP, bridge_domain_dump) \
72 _ (BRIDGE_FLAGS, bridge_flags) \
73 _ (L2_INTERFACE_VLAN_TAG_REWRITE, l2_interface_vlan_tag_rewrite) \
74 _ (L2_INTERFACE_PBB_TAG_REWRITE, l2_interface_pbb_tag_rewrite) \
75 _ (BRIDGE_DOMAIN_SET_MAC_AGE, bridge_domain_set_mac_age) \
76 _ (SW_INTERFACE_SET_VPATH, sw_interface_set_vpath) \
77 _ (BVI_CREATE, bvi_create) \
78 _ (BVI_DELETE, bvi_delete) \
79 _ (WANT_L2_ARP_TERM_EVENTS, want_l2_arp_term_events) \
80 _ (BRIDGE_DOMAIN_SET_LEARN_LIMIT, bridge_domain_set_learn_limit) \
81 _ (BRIDGE_DOMAIN_SET_DEFAULT_LEARN_LIMIT, \
82 bridge_domain_set_default_learn_limit)
85 send_l2_xconnect_details (vl_api_registration_t * reg, u32 context,
86 u32 rx_sw_if_index, u32 tx_sw_if_index)
88 vl_api_l2_xconnect_details_t *mp;
90 mp = vl_msg_api_alloc (sizeof (*mp));
91 clib_memset (mp, 0, sizeof (*mp));
92 mp->_vl_msg_id = ntohs (VL_API_L2_XCONNECT_DETAILS);
93 mp->context = context;
94 mp->rx_sw_if_index = htonl (rx_sw_if_index);
95 mp->tx_sw_if_index = htonl (tx_sw_if_index);
97 vl_api_send_msg (reg, (u8 *) mp);
101 vl_api_l2_xconnect_dump_t_handler (vl_api_l2_xconnect_dump_t * mp)
103 vl_api_registration_t *reg;
104 vnet_main_t *vnm = vnet_get_main ();
105 vnet_interface_main_t *im = &vnm->interface_main;
106 l2input_main_t *l2im = &l2input_main;
107 vnet_sw_interface_t *swif;
108 l2_input_config_t *config;
110 reg = vl_api_client_index_to_registration (mp->client_index);
115 pool_foreach (swif, im->sw_interfaces)
117 config = vec_elt_at_index (l2im->configs, swif->sw_if_index);
118 if (l2_input_is_xconnect(config))
119 send_l2_xconnect_details (reg, mp->context, swif->sw_if_index,
120 config->output_sw_if_index);
126 vl_api_l2_fib_clear_table_t_handler (vl_api_l2_fib_clear_table_t * mp)
129 vl_api_l2_fib_clear_table_reply_t *rmp;
131 /* Clear all MACs including static MACs */
132 l2fib_clear_table ();
134 REPLY_MACRO (VL_API_L2_FIB_CLEAR_TABLE_REPLY);
138 send_l2fib_table_entry (vpe_api_main_t * am,
139 vl_api_registration_t * reg,
140 l2fib_entry_key_t * l2fe_key,
141 l2fib_entry_result_t * l2fe_res, u32 context)
143 vl_api_l2_fib_table_details_t *mp;
145 mp = vl_msg_api_alloc (sizeof (*mp));
146 clib_memset (mp, 0, sizeof (*mp));
147 mp->_vl_msg_id = ntohs (VL_API_L2_FIB_TABLE_DETAILS);
150 ntohl (l2input_main.bd_configs[l2fe_key->fields.bd_index].bd_id);
152 mac_address_encode ((mac_address_t *) l2fe_key->fields.mac, mp->mac);
153 mp->sw_if_index = ntohl (l2fe_res->fields.sw_if_index);
154 mp->static_mac = (l2fib_entry_result_is_set_STATIC (l2fe_res) ? 1 : 0);
155 mp->filter_mac = (l2fib_entry_result_is_set_FILTER (l2fe_res) ? 1 : 0);
156 mp->bvi_mac = (l2fib_entry_result_is_set_BVI (l2fe_res) ? 1 : 0);
157 mp->context = context;
159 vl_api_send_msg (reg, (u8 *) mp);
163 vl_api_l2_fib_table_dump_t_handler (vl_api_l2_fib_table_dump_t * mp)
165 vpe_api_main_t *am = &vpe_api_main;
166 bd_main_t *bdm = &bd_main;
167 l2fib_entry_key_t *l2fe_key = NULL;
168 l2fib_entry_result_t *l2fe_res = NULL;
169 u32 ni, bd_id = ntohl (mp->bd_id);
171 vl_api_registration_t *reg;
174 reg = vl_api_client_index_to_registration (mp->client_index);
178 /* see l2fib_table_dump: ~0 means "any" */
183 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
190 l2fib_table_dump (bd_index, &l2fe_key, &l2fe_res);
192 vec_foreach_index (ni, l2fe_key)
194 send_l2fib_table_entry (am, reg, vec_elt_at_index (l2fe_key, ni),
195 vec_elt_at_index (l2fe_res, ni), mp->context);
202 vl_api_l2fib_add_del_t_handler (vl_api_l2fib_add_del_t * mp)
204 bd_main_t *bdm = &bd_main;
205 l2input_main_t *l2im = &l2input_main;
206 vl_api_l2fib_add_del_reply_t *rmp;
208 u32 bd_id = ntohl (mp->bd_id);
209 uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id);
213 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
214 goto bad_sw_if_index;
220 mac_address_decode (mp->mac, &mac);
224 l2fib_add_filter_entry (mac.bytes, bd_index);
227 l2fib_entry_result_flags_t flags = L2FIB_ENTRY_RESULT_FLAG_NONE;
228 u32 sw_if_index = ntohl (mp->sw_if_index);
229 VALIDATE_SW_IF_INDEX (mp);
230 if (vec_len (l2im->configs) <= sw_if_index)
232 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
233 goto bad_sw_if_index;
237 l2_input_config_t *config;
238 config = vec_elt_at_index (l2im->configs, sw_if_index);
239 if (!l2_input_is_bridge (config))
241 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
242 goto bad_sw_if_index;
246 flags |= L2FIB_ENTRY_RESULT_FLAG_STATIC;
248 flags |= L2FIB_ENTRY_RESULT_FLAG_BVI;
249 l2fib_add_entry (mac.bytes, bd_index, sw_if_index, flags);
254 u32 sw_if_index = ntohl (mp->sw_if_index);
255 if (l2fib_del_entry (mac.bytes, bd_index, sw_if_index))
256 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
259 BAD_SW_IF_INDEX_LABEL;
261 REPLY_MACRO (VL_API_L2FIB_ADD_DEL_REPLY);
265 vl_api_want_l2_macs_events_t_handler (vl_api_want_l2_macs_events_t * mp)
268 vl_api_want_l2_macs_events_reply_t *rmp;
269 l2learn_main_t *lm = &l2learn_main;
270 l2fib_main_t *fm = &l2fib_main;
271 u32 pid = ntohl (mp->pid);
272 u32 learn_limit = ntohl (mp->learn_limit);
274 if (mp->enable_disable)
276 if (lm->client_pid == 0)
278 lm->client_pid = pid;
279 lm->client_index = mp->client_index;
281 if (mp->max_macs_in_event)
282 fm->max_macs_in_event = mp->max_macs_in_event * 10;
285 rv = VNET_API_ERROR_INVALID_VALUE;
290 fm->event_scan_delay = (f64) (mp->scan_delay) * 10e-3;
293 rv = VNET_API_ERROR_INVALID_VALUE;
297 /* change learn limit and flush all learned MACs */
298 if (learn_limit && (learn_limit < L2LEARN_DEFAULT_LIMIT))
299 lm->global_learn_limit = learn_limit;
302 rv = VNET_API_ERROR_INVALID_VALUE;
306 l2fib_flush_all_mac (vlib_get_main ());
308 else if (lm->client_pid != pid)
310 rv = VNET_API_ERROR_L2_MACS_EVENT_CLINET_PRESENT;
314 else if (lm->client_pid)
317 lm->client_index = 0;
318 if (learn_limit && (learn_limit < L2LEARN_DEFAULT_LIMIT))
319 lm->global_learn_limit = learn_limit;
321 lm->global_learn_limit = L2LEARN_DEFAULT_LIMIT;
325 REPLY_MACRO (VL_API_WANT_L2_MACS_EVENTS_REPLY);
329 vl_api_l2fib_flush_int_t_handler (vl_api_l2fib_flush_int_t * mp)
332 vlib_main_t *vm = vlib_get_main ();
333 vl_api_l2fib_flush_int_reply_t *rmp;
335 VALIDATE_SW_IF_INDEX (mp);
337 u32 sw_if_index = ntohl (mp->sw_if_index);
338 l2fib_flush_int_mac (vm, sw_if_index);
340 BAD_SW_IF_INDEX_LABEL;
341 REPLY_MACRO (VL_API_L2FIB_FLUSH_INT_REPLY);
345 vl_api_l2fib_flush_all_t_handler (vl_api_l2fib_flush_all_t * mp)
348 vl_api_l2fib_flush_all_reply_t *rmp;
350 l2fib_flush_all_mac (vlib_get_main ());
351 REPLY_MACRO (VL_API_L2FIB_FLUSH_ALL_REPLY);
355 vl_api_l2fib_flush_bd_t_handler (vl_api_l2fib_flush_bd_t * mp)
358 vlib_main_t *vm = vlib_get_main ();
359 bd_main_t *bdm = &bd_main;
360 vl_api_l2fib_flush_bd_reply_t *rmp;
362 u32 bd_id = ntohl (mp->bd_id);
363 uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id);
366 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
369 l2fib_flush_bd_mac (vm, *p);
371 REPLY_MACRO (VL_API_L2FIB_FLUSH_BD_REPLY);
375 vl_api_l2_flags_t_handler (vl_api_l2_flags_t * mp)
377 vl_api_l2_flags_reply_t *rmp;
381 VALIDATE_SW_IF_INDEX (mp);
383 u32 sw_if_index = ntohl (mp->sw_if_index);
384 u32 flags = ntohl (mp->feature_bitmap);
387 if (flags & L2_LEARN)
388 bitmap |= L2INPUT_FEAT_LEARN;
391 bitmap |= L2INPUT_FEAT_FWD;
393 if (flags & L2_FLOOD)
394 bitmap |= L2INPUT_FEAT_FLOOD;
396 if (flags & L2_UU_FLOOD)
397 bitmap |= L2INPUT_FEAT_UU_FLOOD;
399 if (flags & L2_ARP_TERM)
400 bitmap |= L2INPUT_FEAT_ARP_TERM;
402 rbm = l2input_intf_bitmap_enable (sw_if_index, bitmap, mp->is_set);
404 BAD_SW_IF_INDEX_LABEL;
407 REPLY_MACRO2(VL_API_L2_FLAGS_REPLY,
409 rmp->resulting_feature_bitmap = ntohl(rbm);
415 vl_api_bridge_domain_set_default_learn_limit_t_handler (
416 vl_api_bridge_domain_set_default_learn_limit_t *mp)
418 vl_api_bridge_domain_set_default_learn_limit_reply_t *rmp;
421 l2learn_main.bd_default_learn_limit = ntohl (mp->learn_limit);
422 REPLY_MACRO (VL_API_BRIDGE_DOMAIN_SET_DEFAULT_LEARN_LIMIT_REPLY);
426 vl_api_bridge_domain_set_learn_limit_t_handler (
427 vl_api_bridge_domain_set_learn_limit_t *mp)
429 vlib_main_t *vm = vlib_get_main ();
430 bd_main_t *bdm = &bd_main;
431 vl_api_bridge_domain_set_learn_limit_reply_t *rmp;
433 u32 bd_id = ntohl (mp->bd_id);
438 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
442 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
445 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
448 bd_set_learn_limit (vm, *p, ntohl (mp->learn_limit));
450 REPLY_MACRO (VL_API_BRIDGE_DOMAIN_SET_LEARN_LIMIT_REPLY);
454 vl_api_bridge_domain_set_mac_age_t_handler (vl_api_bridge_domain_set_mac_age_t
457 vlib_main_t *vm = vlib_get_main ();
458 bd_main_t *bdm = &bd_main;
459 vl_api_bridge_domain_set_mac_age_reply_t *rmp;
461 u32 bd_id = ntohl (mp->bd_id);
466 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
470 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
473 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
476 bd_set_mac_age (vm, *p, mp->mac_age);
478 REPLY_MACRO (VL_API_BRIDGE_DOMAIN_SET_MAC_AGE_REPLY);
482 vl_api_bridge_domain_add_del_t_handler (vl_api_bridge_domain_add_del_t * mp)
484 l2_bridge_domain_add_del_args_t a = {
485 .is_add = mp->is_add,
487 .uu_flood = mp->uu_flood,
488 .forward = mp->forward,
490 .arp_term = mp->arp_term,
491 .arp_ufwd = mp->arp_ufwd,
492 .mac_age = mp->mac_age,
493 .bd_id = ntohl (mp->bd_id),
497 int rv = bd_add_del (&a);
499 vl_api_bridge_domain_add_del_reply_t *rmp;
500 REPLY_MACRO (VL_API_BRIDGE_DOMAIN_ADD_DEL_REPLY);
504 send_bridge_domain_details (l2input_main_t * l2im,
505 vl_api_registration_t * reg,
506 l2_bridge_domain_t * bd_config,
507 u32 n_sw_ifs, u32 context)
509 vl_api_bridge_domain_details_t *mp;
510 l2_flood_member_t *m;
511 vl_api_bridge_domain_sw_if_t *sw_ifs;
512 l2_input_config_t *input_cfg;
514 mp = vl_msg_api_alloc (sizeof (*mp) +
515 (n_sw_ifs * sizeof (vl_api_bridge_domain_sw_if_t)));
516 clib_memset (mp, 0, sizeof (*mp));
517 mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_DETAILS);
518 mp->bd_id = ntohl (bd_config->bd_id);
519 mp->flood = bd_feature_flood (bd_config);
520 mp->uu_flood = bd_feature_uu_flood (bd_config);
521 mp->forward = bd_feature_forward (bd_config);
522 mp->learn = bd_feature_learn (bd_config);
523 mp->arp_term = bd_feature_arp_term (bd_config);
524 mp->arp_ufwd = bd_feature_arp_ufwd (bd_config);
525 mp->bvi_sw_if_index = ntohl (bd_config->bvi_sw_if_index);
526 mp->uu_fwd_sw_if_index = ntohl (bd_config->uu_fwd_sw_if_index);
527 mp->mac_age = bd_config->mac_age;
528 if (bd_config->bd_tag)
530 strncpy ((char *) mp->bd_tag, (char *) bd_config->bd_tag,
531 ARRAY_LEN (mp->bd_tag) - 1);
532 mp->bd_tag[ARRAY_LEN (mp->bd_tag) - 1] = 0;
535 mp->context = context;
537 sw_ifs = (vl_api_bridge_domain_sw_if_t *) mp->sw_if_details;
538 vec_foreach (m, bd_config->members)
540 sw_ifs->sw_if_index = ntohl (m->sw_if_index);
541 input_cfg = vec_elt_at_index (l2im->configs, m->sw_if_index);
542 sw_ifs->shg = input_cfg->shg;
546 mp->n_sw_ifs = htonl (mp->n_sw_ifs);
548 vl_api_send_msg (reg, (u8 *) mp);
552 vl_api_bridge_domain_dump_t_handler (vl_api_bridge_domain_dump_t * mp)
554 bd_main_t *bdm = &bd_main;
555 l2input_main_t *l2im = &l2input_main;
556 vl_api_registration_t *reg;
557 u32 bd_id, bd_index, end, filter_sw_if_index;
559 reg = vl_api_client_index_to_registration (mp->client_index);
563 filter_sw_if_index = ntohl (mp->sw_if_index);
564 if (filter_sw_if_index != ~0)
565 return; /* UNIMPLEMENTED */
567 bd_id = ntohl (mp->bd_id);
572 bd_index = 0, end = vec_len (l2im->bd_configs);
575 bd_index = bd_find_index (bdm, bd_id);
582 for (; bd_index < end; bd_index++)
584 l2_bridge_domain_t *bd_config =
585 l2input_bd_config_from_index (l2im, bd_index);
586 /* skip placeholder bd_id 0 */
587 if (bd_config && (bd_config->bd_id > 0))
588 send_bridge_domain_details (l2im, reg, bd_config,
589 vec_len (bd_config->members),
595 bd_flags_decode (vl_api_bd_flags_t v)
597 bd_flags_t f = L2_NONE;
601 if (v & BRIDGE_API_FLAG_LEARN)
603 if (v & BRIDGE_API_FLAG_FWD)
605 if (v & BRIDGE_API_FLAG_FLOOD)
607 if (v & BRIDGE_API_FLAG_UU_FLOOD)
609 if (v & BRIDGE_API_FLAG_ARP_TERM)
611 if (v & BRIDGE_API_FLAG_ARP_UFWD)
618 vl_api_bridge_flags_t_handler (vl_api_bridge_flags_t * mp)
620 vlib_main_t *vm = vlib_get_main ();
621 bd_main_t *bdm = &bd_main;
622 vl_api_bridge_flags_reply_t *rmp;
626 bd_flags_t flags = bd_flags_decode (mp->flags);
627 u32 bd_id = ntohl (mp->bd_id);
630 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
634 u32 bd_index = bd_find_index (bdm, bd_id);
637 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
641 bitmap = bd_set_flags (vm, bd_index, flags, mp->is_set);
645 REPLY_MACRO2(VL_API_BRIDGE_FLAGS_REPLY,
647 rmp->resulting_feature_bitmap = ntohl(bitmap);
653 vl_api_l2_interface_vlan_tag_rewrite_t_handler
654 (vl_api_l2_interface_vlan_tag_rewrite_t * mp)
657 vl_api_l2_interface_vlan_tag_rewrite_reply_t *rmp;
658 vnet_main_t *vnm = vnet_get_main ();
659 vlib_main_t *vm = vlib_get_main ();
662 VALIDATE_SW_IF_INDEX (mp);
664 vtr_op = ntohl (mp->vtr_op);
666 /* The L2 code is unsuspicious */
669 case L2_VTR_DISABLED:
674 case L2_VTR_TRANSLATE_1_1:
675 case L2_VTR_TRANSLATE_1_2:
676 case L2_VTR_TRANSLATE_2_1:
677 case L2_VTR_TRANSLATE_2_2:
681 rv = VNET_API_ERROR_INVALID_VALUE;
682 goto bad_sw_if_index;
685 rv = l2vtr_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op,
686 ntohl (mp->push_dot1q), ntohl (mp->tag1),
689 BAD_SW_IF_INDEX_LABEL;
691 REPLY_MACRO (VL_API_L2_INTERFACE_VLAN_TAG_REWRITE_REPLY);
695 vl_api_l2_interface_pbb_tag_rewrite_t_handler
696 (vl_api_l2_interface_pbb_tag_rewrite_t * mp)
698 vl_api_l2_interface_pbb_tag_rewrite_reply_t *rmp;
699 vnet_main_t *vnm = vnet_get_main ();
700 vlib_main_t *vm = vlib_get_main ();
703 mac_address_t b_dmac, b_smac;
705 VALIDATE_SW_IF_INDEX (mp);
707 vtr_op = ntohl (mp->vtr_op);
711 case L2_VTR_DISABLED:
714 case L2_VTR_TRANSLATE_2_1:
718 rv = VNET_API_ERROR_INVALID_VALUE;
719 goto bad_sw_if_index;
722 mac_address_decode (mp->b_dmac, &b_dmac);
723 mac_address_decode (mp->b_smac, &b_smac);
725 rv = l2pbb_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op,
726 b_dmac.bytes, b_smac.bytes, ntohs (mp->b_vlanid),
727 ntohl (mp->i_sid), ntohs (mp->outer_tag));
729 BAD_SW_IF_INDEX_LABEL;
731 REPLY_MACRO (VL_API_L2_INTERFACE_PBB_TAG_REWRITE_REPLY);
735 vl_api_sw_interface_set_l2_xconnect_t_handler
736 (vl_api_sw_interface_set_l2_xconnect_t * mp)
738 vl_api_sw_interface_set_l2_xconnect_reply_t *rmp;
740 u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index);
741 u32 tx_sw_if_index = ntohl (mp->tx_sw_if_index);
742 vlib_main_t *vm = vlib_get_main ();
743 vnet_main_t *vnm = vnet_get_main ();
745 VALIDATE_RX_SW_IF_INDEX (mp);
749 VALIDATE_TX_SW_IF_INDEX (mp);
750 rv = set_int_l2_mode (vm, vnm, MODE_L2_XC,
752 L2_BD_PORT_TYPE_NORMAL, 0, tx_sw_if_index);
756 rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0,
757 L2_BD_PORT_TYPE_NORMAL, 0, 0);
763 rv = VNET_API_ERROR_NON_ETHERNET;
765 case MODE_ERROR_BVI_DEF:
766 rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI;
770 BAD_RX_SW_IF_INDEX_LABEL;
771 BAD_TX_SW_IF_INDEX_LABEL;
773 REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_XCONNECT_REPLY);
777 l2_bd_port_type_decode (vl_api_l2_port_type_t v, l2_bd_port_type_t * l)
779 v = clib_net_to_host_u32 (v);
783 case L2_API_PORT_TYPE_NORMAL:
784 *l = L2_BD_PORT_TYPE_NORMAL;
786 case L2_API_PORT_TYPE_BVI:
787 *l = L2_BD_PORT_TYPE_BVI;
789 case L2_API_PORT_TYPE_UU_FWD:
790 *l = L2_BD_PORT_TYPE_UU_FWD;
794 return (VNET_API_ERROR_INVALID_VALUE);
798 vl_api_sw_interface_set_l2_bridge_t_handler
799 (vl_api_sw_interface_set_l2_bridge_t * mp)
801 bd_main_t *bdm = &bd_main;
802 vl_api_sw_interface_set_l2_bridge_reply_t *rmp;
804 vlib_main_t *vm = vlib_get_main ();
805 vnet_main_t *vnm = vnet_get_main ();
806 l2_bd_port_type_t pt;
808 VALIDATE_RX_SW_IF_INDEX (mp);
809 u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index);
810 rv = l2_bd_port_type_decode (mp->port_type, &pt);
817 u32 bd_id = ntohl (mp->bd_id);
818 u32 bd_index = bd_find_or_add_bd_index (bdm, bd_id);
820 rv = set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE,
821 rx_sw_if_index, bd_index, pt, mp->shg, 0);
825 rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0, pt, 0, 0);
831 rv = VNET_API_ERROR_NON_ETHERNET;
833 case MODE_ERROR_BVI_DEF:
834 rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI;
838 BAD_RX_SW_IF_INDEX_LABEL;
841 REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_BRIDGE_REPLY);
845 send_bd_ip_mac_entry (vpe_api_main_t * am,
846 vl_api_registration_t * reg,
848 const ip46_address_t * ip,
850 const mac_address_t * mac, u32 context)
852 vl_api_bd_ip_mac_details_t *mp;
854 mp = vl_msg_api_alloc (sizeof (*mp));
855 clib_memset (mp, 0, sizeof (*mp));
856 mp->_vl_msg_id = ntohs (VL_API_BD_IP_MAC_DETAILS);
858 mp->context = context;
859 mp->entry.bd_id = ntohl (bd_id);
861 ip_address_encode (ip, itype, &mp->entry.ip);
862 mac_address_encode (mac, mp->entry.mac);
864 vl_api_send_msg (reg, (u8 *) mp);
868 vl_api_bd_ip_mac_dump_t_handler (vl_api_bd_ip_mac_dump_t * mp)
870 vpe_api_main_t *am = &vpe_api_main;
871 bd_main_t *bdm = &bd_main;
872 l2_bridge_domain_t *bd_config;
873 u32 bd_id = ntohl (mp->bd_id);
874 u32 bd_index, start, end;
875 vl_api_registration_t *reg;
878 reg = vl_api_client_index_to_registration (mp->client_index);
882 /* see bd_id: ~0 means "any" */
886 end = vec_len (l2input_main.bd_configs);
890 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
895 vec_validate (l2input_main.bd_configs, bd_index);
900 for (bd_index = start; bd_index < end; bd_index++)
902 bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
903 if (bd_is_valid (bd_config))
905 ip4_address_t ip4_addr;
906 ip6_address_t *ip6_addr;
909 bd_id = bd_config->bd_id;
912 hash_foreach (ip4_addr.as_u32, mac64, bd_config->mac_by_ip4,
914 ip46_address_t ip = {
917 mac_address_from_u64(&mac, mac64);
919 send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP4,
923 hash_foreach_mem (ip6_addr, mac64, bd_config->mac_by_ip6,
925 ip46_address_t ip = {
928 mac_address_from_u64(&mac, mac64);
930 send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP6,
939 vl_api_bd_ip_mac_add_del_t_handler (vl_api_bd_ip_mac_add_del_t * mp)
941 ip46_address_t ip_addr = ip46_address_initializer;
942 vl_api_bd_ip_mac_add_del_reply_t *rmp;
943 bd_main_t *bdm = &bd_main;
950 bd_id = ntohl (mp->entry.bd_id);
954 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
958 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
961 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
966 type = ip_address_decode (&mp->entry.ip, &ip_addr);
967 mac_address_decode (mp->entry.mac, &mac);
969 if (bd_add_del_ip_mac (bd_index, type, &ip_addr, &mac, mp->is_add))
970 rv = VNET_API_ERROR_UNSPECIFIED;
973 REPLY_MACRO (VL_API_BD_IP_MAC_ADD_DEL_REPLY);
977 vl_api_bd_ip_mac_flush_t_handler (vl_api_bd_ip_mac_flush_t * mp)
979 vl_api_bd_ip_mac_flush_reply_t *rmp;
980 bd_main_t *bdm = &bd_main;
985 bd_id = ntohl (mp->bd_id);
989 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
993 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
996 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1001 bd_flush_ip_mac (bd_index);
1004 REPLY_MACRO (VL_API_BD_IP_MAC_FLUSH_REPLY);
1007 extern void l2_efp_filter_configure (vnet_main_t * vnet_main,
1008 u32 sw_if_index, u8 enable);
1011 vl_api_l2_interface_efp_filter_t_handler (vl_api_l2_interface_efp_filter_t *
1015 vl_api_l2_interface_efp_filter_reply_t *rmp;
1016 vnet_main_t *vnm = vnet_get_main ();
1018 VALIDATE_SW_IF_INDEX (mp);
1020 // enable/disable the feature
1021 l2_efp_filter_configure (vnm, ntohl (mp->sw_if_index), mp->enable_disable);
1022 rv = vnm->api_errno;
1024 BAD_SW_IF_INDEX_LABEL;
1025 REPLY_MACRO (VL_API_L2_INTERFACE_EFP_FILTER_REPLY);
1029 vl_api_l2_patch_add_del_t_handler (vl_api_l2_patch_add_del_t * mp)
1031 extern int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
1033 vl_api_l2_patch_add_del_reply_t *rmp;
1034 int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
1038 VALIDATE_RX_SW_IF_INDEX (mp);
1039 VALIDATE_TX_SW_IF_INDEX (mp);
1041 rv = vnet_l2_patch_add_del (ntohl (mp->rx_sw_if_index),
1042 ntohl (mp->tx_sw_if_index),
1043 (int) (mp->is_add != 0));
1045 BAD_RX_SW_IF_INDEX_LABEL;
1046 BAD_TX_SW_IF_INDEX_LABEL;
1048 REPLY_MACRO (VL_API_L2_PATCH_ADD_DEL_REPLY);
1052 vl_api_sw_interface_set_vpath_t_handler (vl_api_sw_interface_set_vpath_t * mp)
1054 vl_api_sw_interface_set_vpath_reply_t *rmp;
1056 u32 sw_if_index = ntohl (mp->sw_if_index);
1058 VALIDATE_SW_IF_INDEX (mp);
1060 l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_VPATH, mp->enable);
1061 vnet_feature_enable_disable ("ip4-unicast", "vpath-input-ip4",
1062 sw_if_index, mp->enable, 0, 0);
1063 vnet_feature_enable_disable ("ip4-multicast", "vpath-input-ip4",
1064 sw_if_index, mp->enable, 0, 0);
1065 vnet_feature_enable_disable ("ip6-unicast", "vpath-input-ip6",
1066 sw_if_index, mp->enable, 0, 0);
1067 vnet_feature_enable_disable ("ip6-multicast", "vpath-input-ip6",
1068 sw_if_index, mp->enable, 0, 0);
1070 BAD_SW_IF_INDEX_LABEL;
1072 REPLY_MACRO (VL_API_SW_INTERFACE_SET_VPATH_REPLY);
1076 vl_api_bvi_create_t_handler (vl_api_bvi_create_t * mp)
1078 vl_api_bvi_create_reply_t *rmp;
1083 mac_address_decode (mp->mac, &mac);
1085 rv = l2_bvi_create (ntohl (mp->user_instance), &mac, &sw_if_index);
1088 REPLY_MACRO2(VL_API_BVI_CREATE_REPLY,
1090 rmp->sw_if_index = ntohl (sw_if_index);
1096 vl_api_bvi_delete_t_handler (vl_api_bvi_delete_t * mp)
1098 vl_api_bvi_delete_reply_t *rmp;
1101 rv = l2_bvi_delete (ntohl (mp->sw_if_index));
1103 REPLY_MACRO (VL_API_BVI_DELETE_REPLY);
1107 l2_arp_term_publish_event_is_equal (const l2_arp_term_publish_event_t * e1,
1108 const l2_arp_term_publish_event_t * e2)
1110 if (e1 == NULL || e2 == NULL)
1112 return (ip46_address_is_equal (&e1->ip, &e2->ip) &&
1113 (e1->sw_if_index == e2->sw_if_index) &&
1114 (mac_address_equal (&e1->mac, &e2->mac)));
1118 l2_arp_term_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
1121 /* These cross the longjmp boundary (vlib_process_wait_for_event)
1122 * and need to be volatile - to prevent them from being optimized into
1123 * a register - which could change during suspension */
1124 volatile f64 last = vlib_time_now (vm);
1125 volatile l2_arp_term_publish_event_t last_event = { };
1127 l2_arp_term_main_t *l2am = &l2_arp_term_main;
1131 uword event_type = L2_ARP_TERM_EVENT_PUBLISH;
1132 vpe_client_registration_t *reg;
1135 vlib_process_wait_for_event (vm);
1137 vlib_process_get_event_data (vm, &event_type);
1138 now = vlib_time_now (vm);
1140 if (event_type == L2_ARP_TERM_EVENT_PUBLISH)
1142 l2_arp_term_publish_event_t *event;
1144 vec_foreach (event, l2am->publish_events)
1146 /* dampen duplicate events - cast away volatile */
1147 if (l2_arp_term_publish_event_is_equal
1148 (event, (l2_arp_term_publish_event_t *) & last_event) &&
1149 (now - last) < 10.0)
1153 last_event = *event;
1157 pool_foreach (reg, vpe_api_main.l2_arp_term_events_registrations)
1159 vl_api_registration_t *vl_reg;
1160 vl_reg = vl_api_client_index_to_registration (reg->client_index);
1161 ALWAYS_ASSERT (vl_reg != NULL);
1163 if (reg && vl_api_can_send_msg (vl_reg))
1165 vl_api_l2_arp_term_event_t * vevent;
1166 vevent = vl_msg_api_alloc (sizeof *vevent);
1167 clib_memset (vevent, 0, sizeof *vevent);
1168 vevent->_vl_msg_id = htons (VL_API_L2_ARP_TERM_EVENT);
1169 vevent->client_index = reg->client_index;
1170 vevent->pid = reg->client_pid;
1171 ip_address_encode(&event->ip,
1174 vevent->sw_if_index = htonl(event->sw_if_index);
1175 mac_address_encode(&event->mac, vevent->mac);
1176 vl_api_send_msg (vl_reg, (u8 *) vevent);
1181 vec_reset_length (l2am->publish_events);
1189 VLIB_REGISTER_NODE (l2_arp_term_process_node) = {
1190 .function = l2_arp_term_process,
1191 .type = VLIB_NODE_TYPE_PROCESS,
1192 .name = "l2-arp-term-publisher",
1197 vl_api_want_l2_arp_term_events_t_handler (vl_api_want_l2_arp_term_events_t *
1200 vl_api_want_l2_arp_term_events_reply_t *rmp;
1201 vpe_api_main_t *am = &vpe_api_main;
1202 vpe_client_registration_t *rp;
1206 p = hash_get (am->l2_arp_term_events_registration_hash, mp->client_index);
1212 clib_warning ("pid %d: already enabled...", mp->pid);
1213 rv = VNET_API_ERROR_INVALID_REGISTRATION;
1218 rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]);
1219 pool_put (am->l2_arp_term_events_registrations, rp);
1220 hash_unset (am->l2_arp_term_events_registration_hash,
1222 if (pool_elts (am->l2_arp_term_events_registrations) == 0)
1223 l2_arp_term_set_publisher_node (false);
1227 if (mp->enable == 0)
1229 clib_warning ("pid %d: already disabled...", mp->pid);
1230 rv = VNET_API_ERROR_INVALID_REGISTRATION;
1233 pool_get (am->l2_arp_term_events_registrations, rp);
1234 rp->client_index = mp->client_index;
1235 rp->client_pid = mp->pid;
1236 hash_set (am->l2_arp_term_events_registration_hash, rp->client_index,
1237 rp - am->l2_arp_term_events_registrations);
1238 l2_arp_term_set_publisher_node (true);
1241 REPLY_MACRO (VL_API_WANT_L2_ARP_TERM_EVENTS_REPLY);
1244 static clib_error_t *
1245 want_l2_arp_term_events_reaper (u32 client_index)
1247 vpe_client_registration_t *rp;
1253 /* remove from the registration hash */
1254 p = hash_get (am->l2_arp_term_events_registration_hash, client_index);
1258 rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]);
1259 pool_put (am->l2_arp_term_events_registrations, rp);
1260 hash_unset (am->l2_arp_term_events_registration_hash, client_index);
1261 if (pool_elts (am->l2_arp_term_events_registrations) == 0)
1262 l2_arp_term_set_publisher_node (false);
1267 VL_MSG_API_REAPER_FUNCTION (want_l2_arp_term_events_reaper);
1271 * Add vpe's API message handlers to the table.
1272 * vlib has already mapped shared memory and
1273 * added the client registration handlers.
1274 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
1276 #define vl_msg_name_crc_list
1277 #include <vnet/vnet_all_api_h.h>
1278 #undef vl_msg_name_crc_list
1281 setup_message_id_table (api_main_t * am)
1283 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1284 foreach_vl_msg_name_crc_l2;
1288 static clib_error_t *
1289 l2_api_hookup (vlib_main_t * vm)
1291 api_main_t *am = vlibapi_get_main ();
1294 vl_msg_api_set_handlers(VL_API_##N, #n, \
1295 vl_api_##n##_t_handler, \
1297 vl_api_##n##_t_endian, \
1298 vl_api_##n##_t_print, \
1299 sizeof(vl_api_##n##_t), 1);
1300 foreach_vpe_api_msg;
1303 /* Mark VL_API_BRIDGE_DOMAIN_DUMP as mp safe */
1304 am->is_mp_safe[VL_API_BRIDGE_DOMAIN_DUMP] = 1;
1307 * Set up the (msg_name, crc, message-id) table
1309 setup_message_id_table (am);
1314 VLIB_API_INIT_FUNCTION (l2_api_hookup);
1317 * fd.io coding-style-patch-verification: ON
1320 * eval: (c-set-style "gnu")