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>
29 #include <vnet/vnet_msg_enum.h>
31 #define vl_typedefs /* define message structures */
32 #include <vnet/vnet_all_api_h.h>
35 #define vl_endianfun /* define message structures */
36 #include <vnet/vnet_all_api_h.h>
39 #define vl_api_bridge_domain_details_t_endian vl_noop_handler
40 #define vl_api_bridge_domain_details_t_print vl_noop_handler
42 /* instantiate all the print functions we know about */
43 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
45 #include <vnet/vnet_all_api_h.h>
48 #include <vlibapi/api_helper_macros.h>
50 #define foreach_vpe_api_msg \
51 _(L2_XCONNECT_DUMP, l2_xconnect_dump) \
52 _(L2_FIB_CLEAR_TABLE, l2_fib_clear_table) \
53 _(L2_FIB_TABLE_DUMP, l2_fib_table_dump) \
54 _(L2FIB_FLUSH_ALL, l2fib_flush_all) \
55 _(L2FIB_FLUSH_INT, l2fib_flush_int) \
56 _(L2FIB_FLUSH_BD, l2fib_flush_bd) \
57 _(L2FIB_ADD_DEL, l2fib_add_del) \
58 _(L2_FLAGS, l2_flags) \
59 _(BRIDGE_DOMAIN_ADD_DEL, bridge_domain_add_del) \
60 _(BRIDGE_DOMAIN_DUMP, bridge_domain_dump) \
61 _(BRIDGE_FLAGS, bridge_flags) \
62 _(L2_INTERFACE_VLAN_TAG_REWRITE, l2_interface_vlan_tag_rewrite) \
63 _(L2_INTERFACE_PBB_TAG_REWRITE, l2_interface_pbb_tag_rewrite) \
64 _(BRIDGE_DOMAIN_SET_MAC_AGE, bridge_domain_set_mac_age)
67 send_l2_xconnect_details (unix_shared_memory_queue_t * q, u32 context,
68 u32 rx_sw_if_index, u32 tx_sw_if_index)
70 vl_api_l2_xconnect_details_t *mp;
72 mp = vl_msg_api_alloc (sizeof (*mp));
73 memset (mp, 0, sizeof (*mp));
74 mp->_vl_msg_id = ntohs (VL_API_L2_XCONNECT_DETAILS);
75 mp->context = context;
76 mp->rx_sw_if_index = htonl (rx_sw_if_index);
77 mp->tx_sw_if_index = htonl (tx_sw_if_index);
79 vl_msg_api_send_shmem (q, (u8 *) & mp);
83 vl_api_l2_xconnect_dump_t_handler (vl_api_l2_xconnect_dump_t * mp)
85 unix_shared_memory_queue_t *q;
86 vnet_main_t *vnm = vnet_get_main ();
87 vnet_interface_main_t *im = &vnm->interface_main;
88 l2input_main_t *l2im = &l2input_main;
89 vnet_sw_interface_t *swif;
90 l2_input_config_t *config;
92 q = vl_api_client_index_to_input_queue (mp->client_index);
97 pool_foreach (swif, im->sw_interfaces,
99 config = vec_elt_at_index (l2im->configs, swif->sw_if_index);
100 if (config->xconnect)
101 send_l2_xconnect_details (q, mp->context, swif->sw_if_index,
102 config->output_sw_if_index);
108 vl_api_l2_fib_clear_table_t_handler (vl_api_l2_fib_clear_table_t * mp)
111 vl_api_l2_fib_clear_table_reply_t *rmp;
113 /* Clear all MACs including static MACs */
114 l2fib_clear_table ();
116 REPLY_MACRO (VL_API_L2_FIB_CLEAR_TABLE_REPLY);
120 send_l2fib_table_entry (vpe_api_main_t * am,
121 unix_shared_memory_queue_t * q,
122 l2fib_entry_key_t * l2fe_key,
123 l2fib_entry_result_t * l2fe_res, u32 context)
125 vl_api_l2_fib_table_details_t *mp;
127 mp = vl_msg_api_alloc (sizeof (*mp));
128 memset (mp, 0, sizeof (*mp));
129 mp->_vl_msg_id = ntohs (VL_API_L2_FIB_TABLE_DETAILS);
132 ntohl (l2input_main.bd_configs[l2fe_key->fields.bd_index].bd_id);
134 mp->mac = l2fib_make_key (l2fe_key->fields.mac, 0);
135 mp->sw_if_index = ntohl (l2fe_res->fields.sw_if_index);
136 mp->static_mac = l2fe_res->fields.static_mac;
137 mp->filter_mac = l2fe_res->fields.filter;
138 mp->bvi_mac = l2fe_res->fields.bvi;
139 mp->context = context;
141 vl_msg_api_send_shmem (q, (u8 *) & mp);
145 vl_api_l2_fib_table_dump_t_handler (vl_api_l2_fib_table_dump_t * mp)
147 vpe_api_main_t *am = &vpe_api_main;
148 bd_main_t *bdm = &bd_main;
149 l2fib_entry_key_t *l2fe_key = NULL;
150 l2fib_entry_result_t *l2fe_res = NULL;
151 u32 ni, bd_id = ntohl (mp->bd_id);
153 unix_shared_memory_queue_t *q;
156 q = vl_api_client_index_to_input_queue (mp->client_index);
160 /* see l2fib_table_dump: ~0 means "any" */
165 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
172 l2fib_table_dump (bd_index, &l2fe_key, &l2fe_res);
174 vec_foreach_index (ni, l2fe_key)
176 send_l2fib_table_entry (am, q, vec_elt_at_index (l2fe_key, ni),
177 vec_elt_at_index (l2fe_res, ni), mp->context);
184 vl_api_l2fib_add_del_t_handler (vl_api_l2fib_add_del_t * mp)
186 bd_main_t *bdm = &bd_main;
187 l2input_main_t *l2im = &l2input_main;
188 vl_api_l2fib_add_del_reply_t *rmp;
190 u32 bd_id = ntohl (mp->bd_id);
191 uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id);
195 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
196 goto bad_sw_if_index;
204 l2fib_add_filter_entry (mac, bd_index);
207 u32 sw_if_index = ntohl (mp->sw_if_index);
208 VALIDATE_SW_IF_INDEX (mp);
209 if (vec_len (l2im->configs) <= sw_if_index)
211 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
212 goto bad_sw_if_index;
216 l2_input_config_t *config;
217 config = vec_elt_at_index (l2im->configs, sw_if_index);
218 if (config->bridge == 0)
220 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
221 goto bad_sw_if_index;
224 u32 static_mac = mp->static_mac ? 1 : 0;
225 u32 bvi_mac = mp->bvi_mac ? 1 : 0;
226 l2fib_add_fwd_entry (mac, bd_index, sw_if_index, static_mac,
232 l2fib_del_entry (mac, bd_index);
235 BAD_SW_IF_INDEX_LABEL;
237 REPLY_MACRO (VL_API_L2FIB_ADD_DEL_REPLY);
241 vl_api_l2fib_flush_int_t_handler (vl_api_l2fib_flush_int_t * mp)
244 vlib_main_t *vm = vlib_get_main ();
245 vl_api_l2fib_flush_int_reply_t *rmp;
247 VALIDATE_SW_IF_INDEX (mp);
249 u32 sw_if_index = ntohl (mp->sw_if_index);
250 l2fib_flush_int_mac (vm, sw_if_index);
252 BAD_SW_IF_INDEX_LABEL;
253 REPLY_MACRO (VL_API_L2FIB_FLUSH_INT_REPLY);
257 vl_api_l2fib_flush_all_t_handler (vl_api_l2fib_flush_all_t * mp)
260 vl_api_l2fib_flush_all_reply_t *rmp;
262 l2fib_flush_all_mac (vlib_get_main ());
263 REPLY_MACRO (VL_API_L2FIB_FLUSH_ALL_REPLY);
267 vl_api_l2fib_flush_bd_t_handler (vl_api_l2fib_flush_bd_t * mp)
270 vlib_main_t *vm = vlib_get_main ();
271 bd_main_t *bdm = &bd_main;
272 vl_api_l2fib_flush_bd_reply_t *rmp;
274 u32 bd_id = ntohl (mp->bd_id);
275 uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id);
278 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
281 l2fib_flush_bd_mac (vm, *p);
283 REPLY_MACRO (VL_API_L2FIB_FLUSH_BD_REPLY);
287 vl_api_l2_flags_t_handler (vl_api_l2_flags_t * mp)
289 vl_api_l2_flags_reply_t *rmp;
293 VALIDATE_SW_IF_INDEX (mp);
295 u32 sw_if_index = ntohl (mp->sw_if_index);
296 u32 flags = ntohl (mp->feature_bitmap) & L2INPUT_VALID_MASK;
297 rbm = l2input_intf_bitmap_enable (sw_if_index, flags, mp->is_set);
299 BAD_SW_IF_INDEX_LABEL;
302 REPLY_MACRO2(VL_API_L2_FLAGS_REPLY,
304 rmp->resulting_feature_bitmap = ntohl(rbm);
310 vl_api_bridge_domain_set_mac_age_t_handler (vl_api_bridge_domain_set_mac_age_t
313 vlib_main_t *vm = vlib_get_main ();
314 bd_main_t *bdm = &bd_main;
315 vl_api_bridge_domain_set_mac_age_reply_t *rmp;
317 u32 bd_id = ntohl (mp->bd_id);
322 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
326 p = hash_get (bdm->bd_index_by_bd_id, bd_id);
329 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
332 bd_set_mac_age (vm, *p, mp->mac_age);
334 REPLY_MACRO (VL_API_BRIDGE_DOMAIN_SET_MAC_AGE_REPLY);
338 vl_api_bridge_domain_add_del_t_handler (vl_api_bridge_domain_add_del_t * mp)
340 l2_bridge_domain_add_del_args_t a = {
341 .is_add = mp->is_add,
343 .uu_flood = mp->uu_flood,
344 .forward = mp->forward,
346 .arp_term = mp->arp_term,
347 .mac_age = mp->mac_age,
348 .bd_id = ntohl (mp->bd_id),
351 int rv = bd_add_del (&a);
353 vl_api_bridge_domain_add_del_reply_t *rmp;
354 REPLY_MACRO (VL_API_BRIDGE_DOMAIN_ADD_DEL_REPLY);
358 send_bridge_domain_details (l2input_main_t * l2im,
359 unix_shared_memory_queue_t * q,
360 l2_bridge_domain_t * bd_config,
361 u32 n_sw_ifs, u32 context)
363 vl_api_bridge_domain_details_t *mp;
364 l2_flood_member_t *m;
365 vl_api_bridge_domain_sw_if_t *sw_ifs;
366 l2_input_config_t *input_cfg;
368 mp = vl_msg_api_alloc (sizeof (*mp) +
369 (n_sw_ifs * sizeof (vl_api_bridge_domain_sw_if_t)));
370 memset (mp, 0, sizeof (*mp));
371 mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_DETAILS);
372 mp->bd_id = ntohl (bd_config->bd_id);
373 mp->flood = bd_feature_flood (bd_config);
374 mp->uu_flood = bd_feature_uu_flood (bd_config);
375 mp->forward = bd_feature_forward (bd_config);
376 mp->learn = bd_feature_learn (bd_config);
377 mp->arp_term = bd_feature_arp_term (bd_config);
378 mp->bvi_sw_if_index = ntohl (bd_config->bvi_sw_if_index);
379 mp->mac_age = bd_config->mac_age;
380 mp->context = context;
382 sw_ifs = (vl_api_bridge_domain_sw_if_t *) mp->sw_if_details;
383 vec_foreach (m, bd_config->members)
385 sw_ifs->sw_if_index = ntohl (m->sw_if_index);
386 input_cfg = vec_elt_at_index (l2im->configs, m->sw_if_index);
387 sw_ifs->shg = input_cfg->shg;
391 mp->n_sw_ifs = htonl (mp->n_sw_ifs);
393 vl_msg_api_send_shmem (q, (u8 *) & mp);
397 vl_api_bridge_domain_dump_t_handler (vl_api_bridge_domain_dump_t * mp)
399 bd_main_t *bdm = &bd_main;
400 l2input_main_t *l2im = &l2input_main;
402 unix_shared_memory_queue_t *q =
403 vl_api_client_index_to_input_queue (mp->client_index);
407 u32 bd_id = ntohl (mp->bd_id);
413 bd_index = 0, end = vec_len (l2im->bd_configs);
416 bd_index = bd_find_index (bdm, bd_id);
423 for (; bd_index < end; bd_index++)
425 l2_bridge_domain_t *bd_config =
426 l2input_bd_config_from_index (l2im, bd_index);
427 /* skip dummy bd_id 0 */
428 if (bd_config && (bd_config->bd_id > 0))
429 send_bridge_domain_details (l2im, q, bd_config,
430 vec_len (bd_config->members),
436 vl_api_bridge_flags_t_handler (vl_api_bridge_flags_t * mp)
438 vlib_main_t *vm = vlib_get_main ();
439 bd_main_t *bdm = &bd_main;
440 vl_api_bridge_flags_reply_t *rmp;
443 u32 flags = ntohl (mp->feature_bitmap);
444 u32 bd_id = ntohl (mp->bd_id);
447 rv = VNET_API_ERROR_BD_NOT_MODIFIABLE;
451 u32 bd_index = bd_find_index (bdm, bd_id);
454 rv = VNET_API_ERROR_NO_SUCH_ENTRY;
458 bd_set_flags (vm, bd_index, flags, mp->is_set);
462 REPLY_MACRO2(VL_API_BRIDGE_FLAGS_REPLY,
464 rmp->resulting_feature_bitmap = ntohl(flags);
470 vl_api_l2_interface_vlan_tag_rewrite_t_handler
471 (vl_api_l2_interface_vlan_tag_rewrite_t * mp)
474 vl_api_l2_interface_vlan_tag_rewrite_reply_t *rmp;
475 vnet_main_t *vnm = vnet_get_main ();
476 vlib_main_t *vm = vlib_get_main ();
479 VALIDATE_SW_IF_INDEX (mp);
481 vtr_op = ntohl (mp->vtr_op);
483 /* The L2 code is unsuspicious */
486 case L2_VTR_DISABLED:
491 case L2_VTR_TRANSLATE_1_1:
492 case L2_VTR_TRANSLATE_1_2:
493 case L2_VTR_TRANSLATE_2_1:
494 case L2_VTR_TRANSLATE_2_2:
498 rv = VNET_API_ERROR_INVALID_VALUE;
499 goto bad_sw_if_index;
502 rv = l2vtr_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op,
503 ntohl (mp->push_dot1q), ntohl (mp->tag1),
506 BAD_SW_IF_INDEX_LABEL;
508 REPLY_MACRO (VL_API_L2_INTERFACE_VLAN_TAG_REWRITE_REPLY);
512 vl_api_l2_interface_pbb_tag_rewrite_t_handler
513 (vl_api_l2_interface_pbb_tag_rewrite_t * mp)
515 vl_api_l2_interface_pbb_tag_rewrite_reply_t *rmp;
516 vnet_main_t *vnm = vnet_get_main ();
517 vlib_main_t *vm = vlib_get_main ();
521 VALIDATE_SW_IF_INDEX (mp);
523 vtr_op = ntohl (mp->vtr_op);
527 case L2_VTR_DISABLED:
530 case L2_VTR_TRANSLATE_2_1:
534 rv = VNET_API_ERROR_INVALID_VALUE;
535 goto bad_sw_if_index;
538 rv = l2pbb_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op,
539 mp->b_dmac, mp->b_smac, ntohs (mp->b_vlanid),
540 ntohl (mp->i_sid), ntohs (mp->outer_tag));
542 BAD_SW_IF_INDEX_LABEL;
544 REPLY_MACRO (VL_API_L2_INTERFACE_PBB_TAG_REWRITE_REPLY);
549 * Add vpe's API message handlers to the table.
550 * vlib has alread mapped shared memory and
551 * added the client registration handlers.
552 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
554 #define vl_msg_name_crc_list
555 #include <vnet/vnet_all_api_h.h>
556 #undef vl_msg_name_crc_list
559 setup_message_id_table (api_main_t * am)
561 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
562 foreach_vl_msg_name_crc_l2;
566 static clib_error_t *
567 l2_api_hookup (vlib_main_t * vm)
569 api_main_t *am = &api_main;
572 vl_msg_api_set_handlers(VL_API_##N, #n, \
573 vl_api_##n##_t_handler, \
575 vl_api_##n##_t_endian, \
576 vl_api_##n##_t_print, \
577 sizeof(vl_api_##n##_t), 1);
582 * Set up the (msg_name, crc, message-id) table
584 setup_message_id_table (am);
589 VLIB_API_INIT_FUNCTION (l2_api_hookup);
592 * fd.io coding-style-patch-verification: ON
595 * eval: (c-set-style "gnu")