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 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 (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.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_mac_age_t_handler (vl_api_bridge_domain_set_mac_age_t
418 vlib_main_t *vm = vlib_get_main ();
419 bd_main_t *bdm = &bd_main;
420 vl_api_bridge_domain_set_mac_age_reply_t *rmp;
422 u32 bd_id = ntohl (mp->bd_id);
427 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
431 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
434 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
437 bd_set_mac_age (vm, *p, mp->mac_age);
439 REPLY_MACRO (VL_API_BRIDGE_DOMAIN_SET_MAC_AGE_REPLY);
443 vl_api_bridge_domain_add_del_t_handler (vl_api_bridge_domain_add_del_t * mp)
445 l2_bridge_domain_add_del_args_t a = {
446 .is_add = mp->is_add,
448 .uu_flood = mp->uu_flood,
449 .forward = mp->forward,
451 .arp_term = mp->arp_term,
452 .arp_ufwd = mp->arp_ufwd,
453 .mac_age = mp->mac_age,
454 .bd_id = ntohl (mp->bd_id),
458 int rv = bd_add_del (&a);
460 vl_api_bridge_domain_add_del_reply_t *rmp;
461 REPLY_MACRO (VL_API_BRIDGE_DOMAIN_ADD_DEL_REPLY);
465 send_bridge_domain_details (l2input_main_t * l2im,
466 vl_api_registration_t * reg,
467 l2_bridge_domain_t * bd_config,
468 u32 n_sw_ifs, u32 context)
470 vl_api_bridge_domain_details_t *mp;
471 l2_flood_member_t *m;
472 vl_api_bridge_domain_sw_if_t *sw_ifs;
473 l2_input_config_t *input_cfg;
475 mp = vl_msg_api_alloc (sizeof (*mp) +
476 (n_sw_ifs * sizeof (vl_api_bridge_domain_sw_if_t)));
477 clib_memset (mp, 0, sizeof (*mp));
478 mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_DETAILS);
479 mp->bd_id = ntohl (bd_config->bd_id);
480 mp->flood = bd_feature_flood (bd_config);
481 mp->uu_flood = bd_feature_uu_flood (bd_config);
482 mp->forward = bd_feature_forward (bd_config);
483 mp->learn = bd_feature_learn (bd_config);
484 mp->arp_term = bd_feature_arp_term (bd_config);
485 mp->arp_ufwd = bd_feature_arp_ufwd (bd_config);
486 mp->bvi_sw_if_index = ntohl (bd_config->bvi_sw_if_index);
487 mp->uu_fwd_sw_if_index = ntohl (bd_config->uu_fwd_sw_if_index);
488 mp->mac_age = bd_config->mac_age;
489 if (bd_config->bd_tag)
491 strncpy ((char *) mp->bd_tag, (char *) bd_config->bd_tag,
492 ARRAY_LEN (mp->bd_tag) - 1);
493 mp->bd_tag[ARRAY_LEN (mp->bd_tag) - 1] = 0;
496 mp->context = context;
498 sw_ifs = (vl_api_bridge_domain_sw_if_t *) mp->sw_if_details;
499 vec_foreach (m, bd_config->members)
501 sw_ifs->sw_if_index = ntohl (m->sw_if_index);
502 input_cfg = vec_elt_at_index (l2im->configs, m->sw_if_index);
503 sw_ifs->shg = input_cfg->shg;
507 mp->n_sw_ifs = htonl (mp->n_sw_ifs);
509 vl_api_send_msg (reg, (u8 *) mp);
513 vl_api_bridge_domain_dump_t_handler (vl_api_bridge_domain_dump_t * mp)
515 bd_main_t *bdm = &bd_main;
516 l2input_main_t *l2im = &l2input_main;
517 vl_api_registration_t *reg;
518 u32 bd_id, bd_index, end, filter_sw_if_index;
520 reg = vl_api_client_index_to_registration (mp->client_index);
524 filter_sw_if_index = ntohl (mp->sw_if_index);
525 if (filter_sw_if_index != ~0)
526 return; /* UNIMPLEMENTED */
528 bd_id = ntohl (mp->bd_id);
533 bd_index = 0, end = vec_len (l2im->bd_configs);
536 bd_index = bd_find_index (bdm, bd_id);
543 for (; bd_index < end; bd_index++)
545 l2_bridge_domain_t *bd_config =
546 l2input_bd_config_from_index (l2im, bd_index);
547 /* skip dummy bd_id 0 */
548 if (bd_config && (bd_config->bd_id > 0))
549 send_bridge_domain_details (l2im, reg, bd_config,
550 vec_len (bd_config->members),
556 bd_flags_decode (vl_api_bd_flags_t v)
558 bd_flags_t f = L2_NONE;
562 if (v & BRIDGE_API_FLAG_LEARN)
564 if (v & BRIDGE_API_FLAG_FWD)
566 if (v & BRIDGE_API_FLAG_FLOOD)
568 if (v & BRIDGE_API_FLAG_UU_FLOOD)
570 if (v & BRIDGE_API_FLAG_ARP_TERM)
572 if (v & BRIDGE_API_FLAG_ARP_UFWD)
579 vl_api_bridge_flags_t_handler (vl_api_bridge_flags_t * mp)
581 vlib_main_t *vm = vlib_get_main ();
582 bd_main_t *bdm = &bd_main;
583 vl_api_bridge_flags_reply_t *rmp;
587 bd_flags_t flags = bd_flags_decode (mp->flags);
588 u32 bd_id = ntohl (mp->bd_id);
591 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
595 u32 bd_index = bd_find_index (bdm, bd_id);
598 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
602 bitmap = bd_set_flags (vm, bd_index, flags, mp->is_set);
606 REPLY_MACRO2(VL_API_BRIDGE_FLAGS_REPLY,
608 rmp->resulting_feature_bitmap = ntohl(bitmap);
614 vl_api_l2_interface_vlan_tag_rewrite_t_handler
615 (vl_api_l2_interface_vlan_tag_rewrite_t * mp)
618 vl_api_l2_interface_vlan_tag_rewrite_reply_t *rmp;
619 vnet_main_t *vnm = vnet_get_main ();
620 vlib_main_t *vm = vlib_get_main ();
623 VALIDATE_SW_IF_INDEX (mp);
625 vtr_op = ntohl (mp->vtr_op);
627 /* The L2 code is unsuspicious */
630 case L2_VTR_DISABLED:
635 case L2_VTR_TRANSLATE_1_1:
636 case L2_VTR_TRANSLATE_1_2:
637 case L2_VTR_TRANSLATE_2_1:
638 case L2_VTR_TRANSLATE_2_2:
642 rv = VNET_API_ERROR_INVALID_VALUE;
643 goto bad_sw_if_index;
646 rv = l2vtr_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op,
647 ntohl (mp->push_dot1q), ntohl (mp->tag1),
650 BAD_SW_IF_INDEX_LABEL;
652 REPLY_MACRO (VL_API_L2_INTERFACE_VLAN_TAG_REWRITE_REPLY);
656 vl_api_l2_interface_pbb_tag_rewrite_t_handler
657 (vl_api_l2_interface_pbb_tag_rewrite_t * mp)
659 vl_api_l2_interface_pbb_tag_rewrite_reply_t *rmp;
660 vnet_main_t *vnm = vnet_get_main ();
661 vlib_main_t *vm = vlib_get_main ();
664 mac_address_t b_dmac, b_smac;
666 VALIDATE_SW_IF_INDEX (mp);
668 vtr_op = ntohl (mp->vtr_op);
672 case L2_VTR_DISABLED:
675 case L2_VTR_TRANSLATE_2_1:
679 rv = VNET_API_ERROR_INVALID_VALUE;
680 goto bad_sw_if_index;
683 mac_address_decode (mp->b_dmac, &b_dmac);
684 mac_address_decode (mp->b_smac, &b_smac);
686 rv = l2pbb_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op,
687 b_dmac.bytes, b_smac.bytes, ntohs (mp->b_vlanid),
688 ntohl (mp->i_sid), ntohs (mp->outer_tag));
690 BAD_SW_IF_INDEX_LABEL;
692 REPLY_MACRO (VL_API_L2_INTERFACE_PBB_TAG_REWRITE_REPLY);
696 vl_api_sw_interface_set_l2_xconnect_t_handler
697 (vl_api_sw_interface_set_l2_xconnect_t * mp)
699 vl_api_sw_interface_set_l2_xconnect_reply_t *rmp;
701 u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index);
702 u32 tx_sw_if_index = ntohl (mp->tx_sw_if_index);
703 vlib_main_t *vm = vlib_get_main ();
704 vnet_main_t *vnm = vnet_get_main ();
706 VALIDATE_RX_SW_IF_INDEX (mp);
710 VALIDATE_TX_SW_IF_INDEX (mp);
711 rv = set_int_l2_mode (vm, vnm, MODE_L2_XC,
713 L2_BD_PORT_TYPE_NORMAL, 0, tx_sw_if_index);
717 rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0,
718 L2_BD_PORT_TYPE_NORMAL, 0, 0);
724 rv = VNET_API_ERROR_NON_ETHERNET;
726 case MODE_ERROR_BVI_DEF:
727 rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI;
731 BAD_RX_SW_IF_INDEX_LABEL;
732 BAD_TX_SW_IF_INDEX_LABEL;
734 REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_XCONNECT_REPLY);
738 l2_bd_port_type_decode (vl_api_l2_port_type_t v, l2_bd_port_type_t * l)
740 v = clib_net_to_host_u32 (v);
744 case L2_API_PORT_TYPE_NORMAL:
745 *l = L2_BD_PORT_TYPE_NORMAL;
747 case L2_API_PORT_TYPE_BVI:
748 *l = L2_BD_PORT_TYPE_BVI;
750 case L2_API_PORT_TYPE_UU_FWD:
751 *l = L2_BD_PORT_TYPE_UU_FWD;
755 return (VNET_API_ERROR_INVALID_VALUE);
759 vl_api_sw_interface_set_l2_bridge_t_handler
760 (vl_api_sw_interface_set_l2_bridge_t * mp)
762 bd_main_t *bdm = &bd_main;
763 vl_api_sw_interface_set_l2_bridge_reply_t *rmp;
765 vlib_main_t *vm = vlib_get_main ();
766 vnet_main_t *vnm = vnet_get_main ();
767 l2_bd_port_type_t pt;
769 VALIDATE_RX_SW_IF_INDEX (mp);
770 u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index);
771 rv = l2_bd_port_type_decode (mp->port_type, &pt);
778 u32 bd_id = ntohl (mp->bd_id);
779 u32 bd_index = bd_find_or_add_bd_index (bdm, bd_id);
781 rv = set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE,
782 rx_sw_if_index, bd_index, pt, mp->shg, 0);
786 rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0, pt, 0, 0);
792 rv = VNET_API_ERROR_NON_ETHERNET;
794 case MODE_ERROR_BVI_DEF:
795 rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI;
799 BAD_RX_SW_IF_INDEX_LABEL;
802 REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_BRIDGE_REPLY);
806 send_bd_ip_mac_entry (vpe_api_main_t * am,
807 vl_api_registration_t * reg,
809 const ip46_address_t * ip,
811 const mac_address_t * mac, u32 context)
813 vl_api_bd_ip_mac_details_t *mp;
815 mp = vl_msg_api_alloc (sizeof (*mp));
816 clib_memset (mp, 0, sizeof (*mp));
817 mp->_vl_msg_id = ntohs (VL_API_BD_IP_MAC_DETAILS);
819 mp->context = context;
820 mp->entry.bd_id = ntohl (bd_id);
822 ip_address_encode (ip, itype, &mp->entry.ip);
823 mac_address_encode (mac, mp->entry.mac);
825 vl_api_send_msg (reg, (u8 *) mp);
829 vl_api_bd_ip_mac_dump_t_handler (vl_api_bd_ip_mac_dump_t * mp)
831 vpe_api_main_t *am = &vpe_api_main;
832 bd_main_t *bdm = &bd_main;
833 l2_bridge_domain_t *bd_config;
834 u32 bd_id = ntohl (mp->bd_id);
835 u32 bd_index, start, end;
836 vl_api_registration_t *reg;
839 reg = vl_api_client_index_to_registration (mp->client_index);
843 /* see bd_id: ~0 means "any" */
847 end = vec_len (l2input_main.bd_configs);
851 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
856 vec_validate (l2input_main.bd_configs, bd_index);
861 for (bd_index = start; bd_index < end; bd_index++)
863 bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
864 if (bd_is_valid (bd_config))
866 ip4_address_t ip4_addr;
867 ip6_address_t *ip6_addr;
870 bd_id = bd_config->bd_id;
873 hash_foreach (ip4_addr.as_u32, mac64, bd_config->mac_by_ip4,
875 ip46_address_t ip = {
878 mac_address_from_u64(&mac, mac64);
880 send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP4,
884 hash_foreach_mem (ip6_addr, mac64, bd_config->mac_by_ip6,
886 ip46_address_t ip = {
889 mac_address_from_u64(&mac, mac64);
891 send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP6,
900 vl_api_bd_ip_mac_add_del_t_handler (vl_api_bd_ip_mac_add_del_t * mp)
902 ip46_address_t ip_addr = ip46_address_initializer;
903 vl_api_bd_ip_mac_add_del_reply_t *rmp;
904 bd_main_t *bdm = &bd_main;
911 bd_id = ntohl (mp->entry.bd_id);
915 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
919 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
922 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
927 type = ip_address_decode (&mp->entry.ip, &ip_addr);
928 mac_address_decode (mp->entry.mac, &mac);
930 if (bd_add_del_ip_mac (bd_index, type, &ip_addr, &mac, mp->is_add))
931 rv = VNET_API_ERROR_UNSPECIFIED;
934 REPLY_MACRO (VL_API_BD_IP_MAC_ADD_DEL_REPLY);
938 vl_api_bd_ip_mac_flush_t_handler (vl_api_bd_ip_mac_flush_t * mp)
940 vl_api_bd_ip_mac_flush_reply_t *rmp;
941 bd_main_t *bdm = &bd_main;
946 bd_id = ntohl (mp->bd_id);
950 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
954 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
957 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
962 bd_flush_ip_mac (bd_index);
965 REPLY_MACRO (VL_API_BD_IP_MAC_FLUSH_REPLY);
968 extern void l2_efp_filter_configure (vnet_main_t * vnet_main,
969 u32 sw_if_index, u8 enable);
972 vl_api_l2_interface_efp_filter_t_handler (vl_api_l2_interface_efp_filter_t *
976 vl_api_l2_interface_efp_filter_reply_t *rmp;
977 vnet_main_t *vnm = vnet_get_main ();
979 VALIDATE_SW_IF_INDEX (mp);
981 // enable/disable the feature
982 l2_efp_filter_configure (vnm, ntohl (mp->sw_if_index), mp->enable_disable);
985 BAD_SW_IF_INDEX_LABEL;
986 REPLY_MACRO (VL_API_L2_INTERFACE_EFP_FILTER_REPLY);
990 vl_api_l2_patch_add_del_t_handler (vl_api_l2_patch_add_del_t * mp)
992 extern int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
994 vl_api_l2_patch_add_del_reply_t *rmp;
995 int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
999 VALIDATE_RX_SW_IF_INDEX (mp);
1000 VALIDATE_TX_SW_IF_INDEX (mp);
1002 rv = vnet_l2_patch_add_del (ntohl (mp->rx_sw_if_index),
1003 ntohl (mp->tx_sw_if_index),
1004 (int) (mp->is_add != 0));
1006 BAD_RX_SW_IF_INDEX_LABEL;
1007 BAD_TX_SW_IF_INDEX_LABEL;
1009 REPLY_MACRO (VL_API_L2_PATCH_ADD_DEL_REPLY);
1013 vl_api_sw_interface_set_vpath_t_handler (vl_api_sw_interface_set_vpath_t * mp)
1015 vl_api_sw_interface_set_vpath_reply_t *rmp;
1017 u32 sw_if_index = ntohl (mp->sw_if_index);
1019 VALIDATE_SW_IF_INDEX (mp);
1021 l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_VPATH, mp->enable);
1022 vnet_feature_enable_disable ("ip4-unicast", "vpath-input-ip4",
1023 sw_if_index, mp->enable, 0, 0);
1024 vnet_feature_enable_disable ("ip4-multicast", "vpath-input-ip4",
1025 sw_if_index, mp->enable, 0, 0);
1026 vnet_feature_enable_disable ("ip6-unicast", "vpath-input-ip6",
1027 sw_if_index, mp->enable, 0, 0);
1028 vnet_feature_enable_disable ("ip6-multicast", "vpath-input-ip6",
1029 sw_if_index, mp->enable, 0, 0);
1031 BAD_SW_IF_INDEX_LABEL;
1033 REPLY_MACRO (VL_API_SW_INTERFACE_SET_VPATH_REPLY);
1037 vl_api_bvi_create_t_handler (vl_api_bvi_create_t * mp)
1039 vl_api_bvi_create_reply_t *rmp;
1044 mac_address_decode (mp->mac, &mac);
1046 rv = l2_bvi_create (ntohl (mp->user_instance), &mac, &sw_if_index);
1049 REPLY_MACRO2(VL_API_BVI_CREATE_REPLY,
1051 rmp->sw_if_index = ntohl (sw_if_index);
1057 vl_api_bvi_delete_t_handler (vl_api_bvi_delete_t * mp)
1059 vl_api_bvi_delete_reply_t *rmp;
1062 rv = l2_bvi_delete (ntohl (mp->sw_if_index));
1064 REPLY_MACRO (VL_API_BVI_DELETE_REPLY);
1068 l2_arp_term_publish_event_is_equal (const l2_arp_term_publish_event_t * e1,
1069 const l2_arp_term_publish_event_t * e2)
1071 if (e1 == NULL || e2 == NULL)
1073 return (ip46_address_is_equal (&e1->ip, &e2->ip) &&
1074 (e1->sw_if_index == e2->sw_if_index) &&
1075 (mac_address_equal (&e1->mac, &e2->mac)));
1079 l2_arp_term_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
1082 /* These cross the longjmp boundary (vlib_process_wait_for_event)
1083 * and need to be volatile - to prevent them from being optimized into
1084 * a register - which could change during suspension */
1085 volatile f64 last = vlib_time_now (vm);
1086 volatile l2_arp_term_publish_event_t last_event = { };
1088 l2_arp_term_main_t *l2am = &l2_arp_term_main;
1092 uword event_type = L2_ARP_TERM_EVENT_PUBLISH;
1093 vpe_client_registration_t *reg;
1096 vlib_process_wait_for_event (vm);
1098 vlib_process_get_event_data (vm, &event_type);
1099 now = vlib_time_now (vm);
1101 if (event_type == L2_ARP_TERM_EVENT_PUBLISH)
1103 l2_arp_term_publish_event_t *event;
1105 vec_foreach (event, l2am->publish_events)
1107 /* dampen duplicate events - cast away volatile */
1108 if (l2_arp_term_publish_event_is_equal
1109 (event, (l2_arp_term_publish_event_t *) & last_event) &&
1110 (now - last) < 10.0)
1114 last_event = *event;
1118 pool_foreach(reg, vpe_api_main.l2_arp_term_events_registrations,
1120 vl_api_registration_t *vl_reg;
1121 vl_reg = vl_api_client_index_to_registration (reg->client_index);
1122 ALWAYS_ASSERT (vl_reg != NULL);
1124 if (reg && vl_api_can_send_msg (vl_reg))
1126 vl_api_l2_arp_term_event_t * vevent;
1127 vevent = vl_msg_api_alloc (sizeof *vevent);
1128 clib_memset (vevent, 0, sizeof *vevent);
1129 vevent->_vl_msg_id = htons (VL_API_L2_ARP_TERM_EVENT);
1130 vevent->client_index = reg->client_index;
1131 vevent->pid = reg->client_pid;
1132 ip_address_encode(&event->ip,
1135 vevent->sw_if_index = htonl(event->sw_if_index);
1136 mac_address_encode(&event->mac, vevent->mac);
1137 vl_api_send_msg (vl_reg, (u8 *) vevent);
1142 vec_reset_length (l2am->publish_events);
1150 VLIB_REGISTER_NODE (l2_arp_term_process_node) = {
1151 .function = l2_arp_term_process,
1152 .type = VLIB_NODE_TYPE_PROCESS,
1153 .name = "l2-arp-term-publisher",
1158 vl_api_want_l2_arp_term_events_t_handler (vl_api_want_l2_arp_term_events_t *
1161 vl_api_want_l2_arp_term_events_reply_t *rmp;
1162 vpe_api_main_t *am = &vpe_api_main;
1163 vpe_client_registration_t *rp;
1167 p = hash_get (am->l2_arp_term_events_registration_hash, mp->client_index);
1173 clib_warning ("pid %d: already enabled...", mp->pid);
1174 rv = VNET_API_ERROR_INVALID_REGISTRATION;
1179 rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]);
1180 pool_put (am->l2_arp_term_events_registrations, rp);
1181 hash_unset (am->l2_arp_term_events_registration_hash,
1183 if (pool_elts (am->l2_arp_term_events_registrations) == 0)
1184 l2_arp_term_set_publisher_node (false);
1188 if (mp->enable == 0)
1190 clib_warning ("pid %d: already disabled...", mp->pid);
1191 rv = VNET_API_ERROR_INVALID_REGISTRATION;
1194 pool_get (am->l2_arp_term_events_registrations, rp);
1195 rp->client_index = mp->client_index;
1196 rp->client_pid = mp->pid;
1197 hash_set (am->l2_arp_term_events_registration_hash, rp->client_index,
1198 rp - am->l2_arp_term_events_registrations);
1199 l2_arp_term_set_publisher_node (true);
1202 REPLY_MACRO (VL_API_WANT_L2_ARP_TERM_EVENTS_REPLY);
1205 static clib_error_t *
1206 want_l2_arp_term_events_reaper (u32 client_index)
1208 vpe_client_registration_t *rp;
1214 /* remove from the registration hash */
1215 p = hash_get (am->l2_arp_term_events_registration_hash, client_index);
1219 rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]);
1220 pool_put (am->l2_arp_term_events_registrations, rp);
1221 hash_unset (am->l2_arp_term_events_registration_hash, client_index);
1222 if (pool_elts (am->l2_arp_term_events_registrations) == 0)
1223 l2_arp_term_set_publisher_node (false);
1228 VL_MSG_API_REAPER_FUNCTION (want_l2_arp_term_events_reaper);
1232 * Add vpe's API message handlers to the table.
1233 * vlib has already mapped shared memory and
1234 * added the client registration handlers.
1235 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
1237 #define vl_msg_name_crc_list
1238 #include <vnet/vnet_all_api_h.h>
1239 #undef vl_msg_name_crc_list
1242 setup_message_id_table (api_main_t * am)
1244 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1245 foreach_vl_msg_name_crc_l2;
1249 static clib_error_t *
1250 l2_api_hookup (vlib_main_t * vm)
1252 api_main_t *am = vlibapi_get_main ();
1255 vl_msg_api_set_handlers(VL_API_##N, #n, \
1256 vl_api_##n##_t_handler, \
1258 vl_api_##n##_t_endian, \
1259 vl_api_##n##_t_print, \
1260 sizeof(vl_api_##n##_t), 1);
1261 foreach_vpe_api_msg;
1264 /* Mark VL_API_BRIDGE_DOMAIN_DUMP as mp safe */
1265 am->is_mp_safe[VL_API_BRIDGE_DOMAIN_DUMP] = 1;
1268 * Set up the (msg_name, crc, message-id) table
1270 setup_message_id_table (am);
1275 VLIB_API_INIT_FUNCTION (l2_api_hookup);
1278 * fd.io coding-style-patch-verification: ON
1281 * eval: (c-set-style "gnu")