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 #define vl_api_bridge_domain_details_t_endian vl_noop_handler
46 #define vl_api_bridge_domain_details_t_print vl_noop_handler
48 /* instantiate all the print functions we know about */
49 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
51 #include <vnet/vnet_all_api_h.h>
54 #include <vlibapi/api_helper_macros.h>
56 #define foreach_vpe_api_msg \
57 _(L2_XCONNECT_DUMP, l2_xconnect_dump) \
58 _(L2_FIB_CLEAR_TABLE, l2_fib_clear_table) \
59 _(L2_FIB_TABLE_DUMP, l2_fib_table_dump) \
60 _(L2FIB_FLUSH_ALL, l2fib_flush_all) \
61 _(L2FIB_FLUSH_INT, l2fib_flush_int) \
62 _(L2FIB_FLUSH_BD, l2fib_flush_bd) \
63 _(L2FIB_ADD_DEL, l2fib_add_del) \
64 _(WANT_L2_MACS_EVENTS, want_l2_macs_events) \
65 _(L2_FLAGS, l2_flags) \
66 _(SW_INTERFACE_SET_L2_XCONNECT, sw_interface_set_l2_xconnect) \
67 _(SW_INTERFACE_SET_L2_BRIDGE, sw_interface_set_l2_bridge) \
68 _(L2_PATCH_ADD_DEL, l2_patch_add_del) \
69 _(L2_INTERFACE_EFP_FILTER, l2_interface_efp_filter) \
70 _(BD_IP_MAC_ADD_DEL, bd_ip_mac_add_del) \
71 _(BD_IP_MAC_FLUSH, bd_ip_mac_flush) \
72 _(BD_IP_MAC_DUMP, bd_ip_mac_dump) \
73 _(BRIDGE_DOMAIN_ADD_DEL, bridge_domain_add_del) \
74 _(BRIDGE_DOMAIN_DUMP, bridge_domain_dump) \
75 _(BRIDGE_FLAGS, bridge_flags) \
76 _(L2_INTERFACE_VLAN_TAG_REWRITE, l2_interface_vlan_tag_rewrite) \
77 _(L2_INTERFACE_PBB_TAG_REWRITE, l2_interface_pbb_tag_rewrite) \
78 _(BRIDGE_DOMAIN_SET_MAC_AGE, bridge_domain_set_mac_age) \
79 _(SW_INTERFACE_SET_VPATH, sw_interface_set_vpath) \
80 _(BVI_CREATE, bvi_create) \
81 _(BVI_DELETE, bvi_delete) \
82 _(WANT_L2_ARP_TERM_EVENTS, want_l2_arp_term_events)
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 (config->xconnect)
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 clib_memcpy (mp->mac, l2fe_key->fields.mac, 6);
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 clib_memcpy (mac, mp->mac, 6);
224 l2fib_add_filter_entry (mac, 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 (config->bridge == 0)
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, bd_index, sw_if_index, flags);
254 u32 sw_if_index = ntohl (mp->sw_if_index);
255 if (l2fib_del_entry (mac, 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;
284 fm->max_macs_in_event = L2FIB_EVENT_MAX_MACS_DEFAULT;
287 fm->event_scan_delay = (f64) (mp->scan_delay) * 10e-3;
289 fm->event_scan_delay = L2FIB_EVENT_SCAN_DELAY_DEFAULT;
291 /* change learn limit and flush all learned MACs */
292 if (learn_limit && (learn_limit < L2LEARN_DEFAULT_LIMIT))
293 lm->global_learn_limit = learn_limit;
295 lm->global_learn_limit = L2FIB_EVENT_LEARN_LIMIT_DEFAULT;
297 l2fib_flush_all_mac (vlib_get_main ());
299 else if (lm->client_pid != pid)
301 rv = VNET_API_ERROR_L2_MACS_EVENT_CLINET_PRESENT;
305 else if (lm->client_pid)
308 lm->client_index = 0;
309 if (learn_limit && (learn_limit < L2LEARN_DEFAULT_LIMIT))
310 lm->global_learn_limit = learn_limit;
312 lm->global_learn_limit = L2LEARN_DEFAULT_LIMIT;
316 REPLY_MACRO (VL_API_WANT_L2_MACS_EVENTS_REPLY);
320 vl_api_l2fib_flush_int_t_handler (vl_api_l2fib_flush_int_t * mp)
323 vlib_main_t *vm = vlib_get_main ();
324 vl_api_l2fib_flush_int_reply_t *rmp;
326 VALIDATE_SW_IF_INDEX (mp);
328 u32 sw_if_index = ntohl (mp->sw_if_index);
329 l2fib_flush_int_mac (vm, sw_if_index);
331 BAD_SW_IF_INDEX_LABEL;
332 REPLY_MACRO (VL_API_L2FIB_FLUSH_INT_REPLY);
336 vl_api_l2fib_flush_all_t_handler (vl_api_l2fib_flush_all_t * mp)
339 vl_api_l2fib_flush_all_reply_t *rmp;
341 l2fib_flush_all_mac (vlib_get_main ());
342 REPLY_MACRO (VL_API_L2FIB_FLUSH_ALL_REPLY);
346 vl_api_l2fib_flush_bd_t_handler (vl_api_l2fib_flush_bd_t * mp)
349 vlib_main_t *vm = vlib_get_main ();
350 bd_main_t *bdm = &bd_main;
351 vl_api_l2fib_flush_bd_reply_t *rmp;
353 u32 bd_id = ntohl (mp->bd_id);
354 uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id);
357 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
360 l2fib_flush_bd_mac (vm, *p);
362 REPLY_MACRO (VL_API_L2FIB_FLUSH_BD_REPLY);
366 vl_api_l2_flags_t_handler (vl_api_l2_flags_t * mp)
368 vl_api_l2_flags_reply_t *rmp;
372 VALIDATE_SW_IF_INDEX (mp);
374 u32 sw_if_index = ntohl (mp->sw_if_index);
375 u32 flags = ntohl (mp->feature_bitmap);
378 if (flags & L2_LEARN)
379 bitmap |= L2INPUT_FEAT_LEARN;
382 bitmap |= L2INPUT_FEAT_FWD;
384 if (flags & L2_FLOOD)
385 bitmap |= L2INPUT_FEAT_FLOOD;
387 if (flags & L2_UU_FLOOD)
388 bitmap |= L2INPUT_FEAT_UU_FLOOD;
390 if (flags & L2_ARP_TERM)
391 bitmap |= L2INPUT_FEAT_ARP_TERM;
393 rbm = l2input_intf_bitmap_enable (sw_if_index, bitmap, mp->is_set);
395 BAD_SW_IF_INDEX_LABEL;
398 REPLY_MACRO2(VL_API_L2_FLAGS_REPLY,
400 rmp->resulting_feature_bitmap = ntohl(rbm);
406 vl_api_bridge_domain_set_mac_age_t_handler (vl_api_bridge_domain_set_mac_age_t
409 vlib_main_t *vm = vlib_get_main ();
410 bd_main_t *bdm = &bd_main;
411 vl_api_bridge_domain_set_mac_age_reply_t *rmp;
413 u32 bd_id = ntohl (mp->bd_id);
418 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
422 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
425 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
428 bd_set_mac_age (vm, *p, mp->mac_age);
430 REPLY_MACRO (VL_API_BRIDGE_DOMAIN_SET_MAC_AGE_REPLY);
434 vl_api_bridge_domain_add_del_t_handler (vl_api_bridge_domain_add_del_t * mp)
436 l2_bridge_domain_add_del_args_t a = {
437 .is_add = mp->is_add,
439 .uu_flood = mp->uu_flood,
440 .forward = mp->forward,
442 .arp_term = mp->arp_term,
443 .arp_ufwd = mp->arp_ufwd,
444 .mac_age = mp->mac_age,
445 .bd_id = ntohl (mp->bd_id),
449 int rv = bd_add_del (&a);
451 vl_api_bridge_domain_add_del_reply_t *rmp;
452 REPLY_MACRO (VL_API_BRIDGE_DOMAIN_ADD_DEL_REPLY);
456 send_bridge_domain_details (l2input_main_t * l2im,
457 vl_api_registration_t * reg,
458 l2_bridge_domain_t * bd_config,
459 u32 n_sw_ifs, u32 context)
461 vl_api_bridge_domain_details_t *mp;
462 l2_flood_member_t *m;
463 vl_api_bridge_domain_sw_if_t *sw_ifs;
464 l2_input_config_t *input_cfg;
466 mp = vl_msg_api_alloc (sizeof (*mp) +
467 (n_sw_ifs * sizeof (vl_api_bridge_domain_sw_if_t)));
468 clib_memset (mp, 0, sizeof (*mp));
469 mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_DETAILS);
470 mp->bd_id = ntohl (bd_config->bd_id);
471 mp->flood = bd_feature_flood (bd_config);
472 mp->uu_flood = bd_feature_uu_flood (bd_config);
473 mp->forward = bd_feature_forward (bd_config);
474 mp->learn = bd_feature_learn (bd_config);
475 mp->arp_term = bd_feature_arp_term (bd_config);
476 mp->arp_ufwd = bd_feature_arp_ufwd (bd_config);
477 mp->bvi_sw_if_index = ntohl (bd_config->bvi_sw_if_index);
478 mp->uu_fwd_sw_if_index = ntohl (bd_config->uu_fwd_sw_if_index);
479 mp->mac_age = bd_config->mac_age;
480 if (bd_config->bd_tag)
482 strncpy ((char *) mp->bd_tag, (char *) bd_config->bd_tag,
483 ARRAY_LEN (mp->bd_tag) - 1);
484 mp->bd_tag[ARRAY_LEN (mp->bd_tag) - 1] = 0;
487 mp->context = context;
489 sw_ifs = (vl_api_bridge_domain_sw_if_t *) mp->sw_if_details;
490 vec_foreach (m, bd_config->members)
492 sw_ifs->sw_if_index = ntohl (m->sw_if_index);
493 input_cfg = vec_elt_at_index (l2im->configs, m->sw_if_index);
494 sw_ifs->shg = input_cfg->shg;
498 mp->n_sw_ifs = htonl (mp->n_sw_ifs);
500 vl_api_send_msg (reg, (u8 *) mp);
504 vl_api_bridge_domain_dump_t_handler (vl_api_bridge_domain_dump_t * mp)
506 bd_main_t *bdm = &bd_main;
507 l2input_main_t *l2im = &l2input_main;
508 vl_api_registration_t *reg;
509 u32 bd_id, bd_index, end;
511 reg = vl_api_client_index_to_registration (mp->client_index);
515 bd_id = ntohl (mp->bd_id);
520 bd_index = 0, end = vec_len (l2im->bd_configs);
523 bd_index = bd_find_index (bdm, bd_id);
530 for (; bd_index < end; bd_index++)
532 l2_bridge_domain_t *bd_config =
533 l2input_bd_config_from_index (l2im, bd_index);
534 /* skip dummy bd_id 0 */
535 if (bd_config && (bd_config->bd_id > 0))
536 send_bridge_domain_details (l2im, reg, bd_config,
537 vec_len (bd_config->members),
543 bd_flags_decode (vl_api_bd_flags_t v)
545 bd_flags_t f = L2_NONE;
549 if (v & BRIDGE_API_FLAG_LEARN)
551 if (v & BRIDGE_API_FLAG_FWD)
553 if (v & BRIDGE_API_FLAG_FLOOD)
555 if (v & BRIDGE_API_FLAG_UU_FLOOD)
557 if (v & BRIDGE_API_FLAG_ARP_TERM)
559 if (v & BRIDGE_API_FLAG_ARP_UFWD)
566 vl_api_bridge_flags_t_handler (vl_api_bridge_flags_t * mp)
568 vlib_main_t *vm = vlib_get_main ();
569 bd_main_t *bdm = &bd_main;
570 vl_api_bridge_flags_reply_t *rmp;
574 bd_flags_t flags = bd_flags_decode (mp->flags);
575 u32 bd_id = ntohl (mp->bd_id);
578 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
582 u32 bd_index = bd_find_index (bdm, bd_id);
585 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
589 bitmap = bd_set_flags (vm, bd_index, flags, mp->is_set);
593 REPLY_MACRO2(VL_API_BRIDGE_FLAGS_REPLY,
595 rmp->resulting_feature_bitmap = ntohl(bitmap);
601 vl_api_l2_interface_vlan_tag_rewrite_t_handler
602 (vl_api_l2_interface_vlan_tag_rewrite_t * mp)
605 vl_api_l2_interface_vlan_tag_rewrite_reply_t *rmp;
606 vnet_main_t *vnm = vnet_get_main ();
607 vlib_main_t *vm = vlib_get_main ();
610 VALIDATE_SW_IF_INDEX (mp);
612 vtr_op = ntohl (mp->vtr_op);
614 /* The L2 code is unsuspicious */
617 case L2_VTR_DISABLED:
622 case L2_VTR_TRANSLATE_1_1:
623 case L2_VTR_TRANSLATE_1_2:
624 case L2_VTR_TRANSLATE_2_1:
625 case L2_VTR_TRANSLATE_2_2:
629 rv = VNET_API_ERROR_INVALID_VALUE;
630 goto bad_sw_if_index;
633 rv = l2vtr_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op,
634 ntohl (mp->push_dot1q), ntohl (mp->tag1),
637 BAD_SW_IF_INDEX_LABEL;
639 REPLY_MACRO (VL_API_L2_INTERFACE_VLAN_TAG_REWRITE_REPLY);
643 vl_api_l2_interface_pbb_tag_rewrite_t_handler
644 (vl_api_l2_interface_pbb_tag_rewrite_t * mp)
646 vl_api_l2_interface_pbb_tag_rewrite_reply_t *rmp;
647 vnet_main_t *vnm = vnet_get_main ();
648 vlib_main_t *vm = vlib_get_main ();
652 VALIDATE_SW_IF_INDEX (mp);
654 vtr_op = ntohl (mp->vtr_op);
658 case L2_VTR_DISABLED:
661 case L2_VTR_TRANSLATE_2_1:
665 rv = VNET_API_ERROR_INVALID_VALUE;
666 goto bad_sw_if_index;
669 rv = l2pbb_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op,
670 mp->b_dmac, mp->b_smac, ntohs (mp->b_vlanid),
671 ntohl (mp->i_sid), ntohs (mp->outer_tag));
673 BAD_SW_IF_INDEX_LABEL;
675 REPLY_MACRO (VL_API_L2_INTERFACE_PBB_TAG_REWRITE_REPLY);
679 vl_api_sw_interface_set_l2_xconnect_t_handler
680 (vl_api_sw_interface_set_l2_xconnect_t * mp)
682 vl_api_sw_interface_set_l2_xconnect_reply_t *rmp;
684 u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index);
685 u32 tx_sw_if_index = ntohl (mp->tx_sw_if_index);
686 vlib_main_t *vm = vlib_get_main ();
687 vnet_main_t *vnm = vnet_get_main ();
689 VALIDATE_RX_SW_IF_INDEX (mp);
693 VALIDATE_TX_SW_IF_INDEX (mp);
694 rv = set_int_l2_mode (vm, vnm, MODE_L2_XC,
696 L2_BD_PORT_TYPE_NORMAL, 0, tx_sw_if_index);
700 rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0,
701 L2_BD_PORT_TYPE_NORMAL, 0, 0);
707 rv = VNET_API_ERROR_NON_ETHERNET;
709 case MODE_ERROR_BVI_DEF:
710 rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI;
714 BAD_RX_SW_IF_INDEX_LABEL;
715 BAD_TX_SW_IF_INDEX_LABEL;
717 REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_XCONNECT_REPLY);
721 l2_bd_port_type_decode (vl_api_l2_port_type_t v, l2_bd_port_type_t * l)
723 v = clib_net_to_host_u32 (v);
727 case L2_API_PORT_TYPE_NORMAL:
728 *l = L2_BD_PORT_TYPE_NORMAL;
730 case L2_API_PORT_TYPE_BVI:
731 *l = L2_BD_PORT_TYPE_BVI;
733 case L2_API_PORT_TYPE_UU_FWD:
734 *l = L2_BD_PORT_TYPE_UU_FWD;
738 return (VNET_API_ERROR_INVALID_VALUE);
742 vl_api_sw_interface_set_l2_bridge_t_handler
743 (vl_api_sw_interface_set_l2_bridge_t * mp)
745 bd_main_t *bdm = &bd_main;
746 vl_api_sw_interface_set_l2_bridge_reply_t *rmp;
748 vlib_main_t *vm = vlib_get_main ();
749 vnet_main_t *vnm = vnet_get_main ();
750 l2_bd_port_type_t pt;
752 VALIDATE_RX_SW_IF_INDEX (mp);
753 u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index);
754 rv = l2_bd_port_type_decode (mp->port_type, &pt);
761 u32 bd_id = ntohl (mp->bd_id);
762 u32 bd_index = bd_find_or_add_bd_index (bdm, bd_id);
764 rv = set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE,
765 rx_sw_if_index, bd_index, pt, mp->shg, 0);
769 rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0, pt, 0, 0);
775 rv = VNET_API_ERROR_NON_ETHERNET;
777 case MODE_ERROR_BVI_DEF:
778 rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI;
782 BAD_RX_SW_IF_INDEX_LABEL;
785 REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_BRIDGE_REPLY);
789 send_bd_ip_mac_entry (vpe_api_main_t * am,
790 vl_api_registration_t * reg,
792 const ip46_address_t * ip,
794 const mac_address_t * mac, u32 context)
796 vl_api_bd_ip_mac_details_t *mp;
798 mp = vl_msg_api_alloc (sizeof (*mp));
799 clib_memset (mp, 0, sizeof (*mp));
800 mp->_vl_msg_id = ntohs (VL_API_BD_IP_MAC_DETAILS);
802 mp->context = context;
803 mp->entry.bd_id = ntohl (bd_id);
805 ip_address_encode (ip, itype, &mp->entry.ip);
806 mac_address_encode (mac, mp->entry.mac);
808 vl_api_send_msg (reg, (u8 *) mp);
812 vl_api_bd_ip_mac_dump_t_handler (vl_api_bd_ip_mac_dump_t * mp)
814 vpe_api_main_t *am = &vpe_api_main;
815 bd_main_t *bdm = &bd_main;
816 l2_bridge_domain_t *bd_config;
817 u32 bd_id = ntohl (mp->bd_id);
818 u32 bd_index, start, end;
819 vl_api_registration_t *reg;
822 reg = vl_api_client_index_to_registration (mp->client_index);
826 /* see bd_id: ~0 means "any" */
830 end = vec_len (l2input_main.bd_configs);
834 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
839 vec_validate (l2input_main.bd_configs, bd_index);
844 for (bd_index = start; bd_index < end; bd_index++)
846 bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
847 if (bd_is_valid (bd_config))
849 ip4_address_t ip4_addr;
850 ip6_address_t *ip6_addr;
853 bd_id = bd_config->bd_id;
856 hash_foreach (ip4_addr.as_u32, mac64, bd_config->mac_by_ip4,
858 ip46_address_t ip = {
861 mac_address_from_u64(&mac, mac64);
863 send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP4,
867 hash_foreach_mem (ip6_addr, mac64, bd_config->mac_by_ip6,
869 ip46_address_t ip = {
872 mac_address_from_u64(&mac, mac64);
874 send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP6,
883 vl_api_bd_ip_mac_add_del_t_handler (vl_api_bd_ip_mac_add_del_t * mp)
885 ip46_address_t ip_addr = ip46_address_initializer;
886 vl_api_bd_ip_mac_add_del_reply_t *rmp;
887 bd_main_t *bdm = &bd_main;
894 bd_id = ntohl (mp->entry.bd_id);
898 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
902 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
905 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
910 type = ip_address_decode (&mp->entry.ip, &ip_addr);
911 mac_address_decode (mp->entry.mac, &mac);
913 if (bd_add_del_ip_mac (bd_index, type, &ip_addr, &mac, mp->is_add))
914 rv = VNET_API_ERROR_UNSPECIFIED;
917 REPLY_MACRO (VL_API_BD_IP_MAC_ADD_DEL_REPLY);
921 vl_api_bd_ip_mac_flush_t_handler (vl_api_bd_ip_mac_flush_t * mp)
923 vl_api_bd_ip_mac_flush_reply_t *rmp;
924 bd_main_t *bdm = &bd_main;
929 bd_id = ntohl (mp->bd_id);
933 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
937 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
940 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
945 bd_flush_ip_mac (bd_index);
948 REPLY_MACRO (VL_API_BD_IP_MAC_FLUSH_REPLY);
951 extern void l2_efp_filter_configure (vnet_main_t * vnet_main,
952 u32 sw_if_index, u8 enable);
955 vl_api_l2_interface_efp_filter_t_handler (vl_api_l2_interface_efp_filter_t *
959 vl_api_l2_interface_efp_filter_reply_t *rmp;
960 vnet_main_t *vnm = vnet_get_main ();
962 VALIDATE_SW_IF_INDEX (mp);
964 // enable/disable the feature
965 l2_efp_filter_configure (vnm, ntohl (mp->sw_if_index), mp->enable_disable);
968 BAD_SW_IF_INDEX_LABEL;
969 REPLY_MACRO (VL_API_L2_INTERFACE_EFP_FILTER_REPLY);
973 vl_api_l2_patch_add_del_t_handler (vl_api_l2_patch_add_del_t * mp)
975 extern int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
977 vl_api_l2_patch_add_del_reply_t *rmp;
978 int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
982 VALIDATE_RX_SW_IF_INDEX (mp);
983 VALIDATE_TX_SW_IF_INDEX (mp);
985 rv = vnet_l2_patch_add_del (ntohl (mp->rx_sw_if_index),
986 ntohl (mp->tx_sw_if_index),
987 (int) (mp->is_add != 0));
989 BAD_RX_SW_IF_INDEX_LABEL;
990 BAD_TX_SW_IF_INDEX_LABEL;
992 REPLY_MACRO (VL_API_L2_PATCH_ADD_DEL_REPLY);
996 vl_api_sw_interface_set_vpath_t_handler (vl_api_sw_interface_set_vpath_t * mp)
998 vl_api_sw_interface_set_vpath_reply_t *rmp;
1000 u32 sw_if_index = ntohl (mp->sw_if_index);
1002 VALIDATE_SW_IF_INDEX (mp);
1004 l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_VPATH, mp->enable);
1005 vnet_feature_enable_disable ("ip4-unicast", "vpath-input-ip4",
1006 sw_if_index, mp->enable, 0, 0);
1007 vnet_feature_enable_disable ("ip4-multicast", "vpath-input-ip4",
1008 sw_if_index, mp->enable, 0, 0);
1009 vnet_feature_enable_disable ("ip6-unicast", "vpath-input-ip6",
1010 sw_if_index, mp->enable, 0, 0);
1011 vnet_feature_enable_disable ("ip6-multicast", "vpath-input-ip6",
1012 sw_if_index, mp->enable, 0, 0);
1014 BAD_SW_IF_INDEX_LABEL;
1016 REPLY_MACRO (VL_API_SW_INTERFACE_SET_VPATH_REPLY);
1020 vl_api_bvi_create_t_handler (vl_api_bvi_create_t * mp)
1022 vl_api_bvi_create_reply_t *rmp;
1027 mac_address_decode (mp->mac, &mac);
1029 rv = l2_bvi_create (ntohl (mp->user_instance), &mac, &sw_if_index);
1032 REPLY_MACRO2(VL_API_BVI_CREATE_REPLY,
1034 rmp->sw_if_index = ntohl (sw_if_index);
1040 vl_api_bvi_delete_t_handler (vl_api_bvi_delete_t * mp)
1042 vl_api_bvi_delete_reply_t *rmp;
1045 rv = l2_bvi_delete (ntohl (mp->sw_if_index));
1047 REPLY_MACRO (VL_API_BVI_DELETE_REPLY);
1051 l2_arp_term_publish_event_is_equal (const l2_arp_term_publish_event_t * e1,
1052 const l2_arp_term_publish_event_t * e2)
1054 if (e1 == NULL || e2 == NULL)
1056 return (ip46_address_is_equal (&e1->ip, &e2->ip) &&
1057 (e1->sw_if_index == e2->sw_if_index) &&
1058 (mac_address_equal (&e1->mac, &e2->mac)));
1062 l2_arp_term_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
1065 /* These cross the longjmp boundary (vlib_process_wait_for_event)
1066 * and need to be volatile - to prevent them from being optimized into
1067 * a register - which could change during suspension */
1068 volatile f64 last = vlib_time_now (vm);
1069 volatile l2_arp_term_publish_event_t last_event = { };
1071 l2_arp_term_main_t *l2am = &l2_arp_term_main;
1075 uword event_type = L2_ARP_TERM_EVENT_PUBLISH;
1076 vpe_client_registration_t *reg;
1079 vlib_process_wait_for_event (vm);
1081 vlib_process_get_event_data (vm, &event_type);
1082 now = vlib_time_now (vm);
1084 if (event_type == L2_ARP_TERM_EVENT_PUBLISH)
1086 l2_arp_term_publish_event_t *event;
1088 vec_foreach (event, l2am->publish_events)
1090 /* dampen duplicate events - cast away volatile */
1091 if (l2_arp_term_publish_event_is_equal
1092 (event, (l2_arp_term_publish_event_t *) & last_event) &&
1093 (now - last) < 10.0)
1097 last_event = *event;
1101 pool_foreach(reg, vpe_api_main.l2_arp_term_events_registrations,
1103 vl_api_registration_t *vl_reg;
1104 vl_reg = vl_api_client_index_to_registration (reg->client_index);
1105 ASSERT (vl_reg != NULL);
1107 if (reg && vl_api_can_send_msg (vl_reg))
1109 vl_api_l2_arp_term_event_t * vevent;
1110 vevent = vl_msg_api_alloc (sizeof *vevent);
1111 clib_memset (vevent, 0, sizeof *vevent);
1112 vevent->_vl_msg_id = htons (VL_API_L2_ARP_TERM_EVENT);
1113 vevent->client_index = reg->client_index;
1114 vevent->pid = reg->client_pid;
1115 ip_address_encode(&event->ip,
1118 vevent->sw_if_index = htonl(event->sw_if_index);
1119 mac_address_encode(&event->mac, vevent->mac);
1120 vl_api_send_msg (vl_reg, (u8 *) vevent);
1125 vec_reset_length (l2am->publish_events);
1133 VLIB_REGISTER_NODE (l2_arp_term_process_node) = {
1134 .function = l2_arp_term_process,
1135 .type = VLIB_NODE_TYPE_PROCESS,
1136 .name = "l2-arp-term-publisher",
1141 vl_api_want_l2_arp_term_events_t_handler (vl_api_want_l2_arp_term_events_t *
1144 vl_api_want_l2_arp_term_events_reply_t *rmp;
1145 vpe_api_main_t *am = &vpe_api_main;
1146 vpe_client_registration_t *rp;
1150 p = hash_get (am->l2_arp_term_events_registration_hash, mp->client_index);
1156 clib_warning ("pid %d: already enabled...", mp->pid);
1157 rv = VNET_API_ERROR_INVALID_REGISTRATION;
1162 rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]);
1163 pool_put (am->l2_arp_term_events_registrations, rp);
1164 hash_unset (am->l2_arp_term_events_registration_hash,
1166 if (pool_elts (am->l2_arp_term_events_registrations) == 0)
1167 l2_arp_term_set_publisher_node (false);
1171 if (mp->enable == 0)
1173 clib_warning ("pid %d: already disabled...", mp->pid);
1174 rv = VNET_API_ERROR_INVALID_REGISTRATION;
1177 pool_get (am->l2_arp_term_events_registrations, rp);
1178 rp->client_index = mp->client_index;
1179 rp->client_pid = mp->pid;
1180 hash_set (am->l2_arp_term_events_registration_hash, rp->client_index,
1181 rp - am->l2_arp_term_events_registrations);
1182 l2_arp_term_set_publisher_node (true);
1185 REPLY_MACRO (VL_API_WANT_L2_ARP_TERM_EVENTS_REPLY);
1188 static clib_error_t *
1189 want_l2_arp_term_events_reaper (u32 client_index)
1191 vpe_client_registration_t *rp;
1197 /* remove from the registration hash */
1198 p = hash_get (am->l2_arp_term_events_registration_hash, client_index);
1202 rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]);
1203 pool_put (am->l2_arp_term_events_registrations, rp);
1204 hash_unset (am->l2_arp_term_events_registration_hash, client_index);
1205 if (pool_elts (am->l2_arp_term_events_registrations) == 0)
1206 l2_arp_term_set_publisher_node (false);
1211 VL_MSG_API_REAPER_FUNCTION (want_l2_arp_term_events_reaper);
1215 * Add vpe's API message handlers to the table.
1216 * vlib has already mapped shared memory and
1217 * added the client registration handlers.
1218 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
1220 #define vl_msg_name_crc_list
1221 #include <vnet/vnet_all_api_h.h>
1222 #undef vl_msg_name_crc_list
1225 setup_message_id_table (api_main_t * am)
1227 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1228 foreach_vl_msg_name_crc_l2;
1232 static clib_error_t *
1233 l2_api_hookup (vlib_main_t * vm)
1235 api_main_t *am = vlibapi_get_main ();
1238 vl_msg_api_set_handlers(VL_API_##N, #n, \
1239 vl_api_##n##_t_handler, \
1241 vl_api_##n##_t_endian, \
1242 vl_api_##n##_t_print, \
1243 sizeof(vl_api_##n##_t), 1);
1244 foreach_vpe_api_msg;
1247 /* Mark VL_API_BRIDGE_DOMAIN_DUMP as mp safe */
1248 am->is_mp_safe[VL_API_BRIDGE_DOMAIN_DUMP] = 1;
1251 * Set up the (msg_name, crc, message-id) table
1253 setup_message_id_table (am);
1258 VLIB_API_INIT_FUNCTION (l2_api_hookup);
1261 * fd.io coding-style-patch-verification: ON
1264 * eval: (c-set-style "gnu")