2 *------------------------------------------------------------------
3 * interface_api.c - vnet interface 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/ethernet/ethernet.h>
26 #include <vnet/ip/ip.h>
27 #include <vnet/fib/fib_table.h>
28 #include <vnet/mfib/mfib_table.h>
29 #include <vnet/l2/l2_vtr.h>
30 #include <vnet/vnet_msg_enum.h>
31 #include <vnet/fib/fib_api.h>
32 #include <vnet/mfib/mfib_table.h>
34 #define vl_typedefs /* define message structures */
35 #include <vnet/vnet_all_api_h.h>
38 #define vl_endianfun /* define message structures */
39 #include <vnet/vnet_all_api_h.h>
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 _(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags) \
52 _(SW_INTERFACE_SET_MTU, sw_interface_set_mtu) \
53 _(WANT_INTERFACE_EVENTS, want_interface_events) \
54 _(SW_INTERFACE_DUMP, sw_interface_dump) \
55 _(SW_INTERFACE_ADD_DEL_ADDRESS, sw_interface_add_del_address) \
56 _(SW_INTERFACE_SET_TABLE, sw_interface_set_table) \
57 _(SW_INTERFACE_GET_TABLE, sw_interface_get_table) \
58 _(SW_INTERFACE_SET_UNNUMBERED, sw_interface_set_unnumbered) \
59 _(SW_INTERFACE_CLEAR_STATS, sw_interface_clear_stats) \
60 _(SW_INTERFACE_TAG_ADD_DEL, sw_interface_tag_add_del)
63 vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
65 vl_api_sw_interface_set_flags_reply_t *rmp;
66 vnet_main_t *vnm = vnet_get_main ();
71 VALIDATE_SW_IF_INDEX (mp);
73 flags = mp->admin_up_down ? VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
75 error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
79 clib_error_report (error);
82 BAD_SW_IF_INDEX_LABEL;
83 REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
87 vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
89 vl_api_sw_interface_set_mtu_reply_t *rmp;
90 vnet_main_t *vnm = vnet_get_main ();
91 u32 flags = ETHERNET_INTERFACE_FLAG_MTU;
92 u32 sw_if_index = ntohl (mp->sw_if_index);
93 u16 mtu = ntohs (mp->mtu);
94 ethernet_main_t *em = ðernet_main;
97 VALIDATE_SW_IF_INDEX (mp);
99 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, sw_if_index);
100 ethernet_interface_t *eif = ethernet_get_interface (em, sw_if_index);
104 rv = VNET_API_ERROR_FEATURE_DISABLED;
105 goto bad_sw_if_index;
108 if (mtu < hi->min_supported_packet_bytes)
110 rv = VNET_API_ERROR_INVALID_VALUE;
111 goto bad_sw_if_index;
114 if (mtu > hi->max_supported_packet_bytes)
116 rv = VNET_API_ERROR_INVALID_VALUE;
117 goto bad_sw_if_index;
120 if (hi->max_packet_bytes != mtu)
122 hi->max_packet_bytes = mtu;
123 ethernet_set_flags (vnm, sw_if_index, flags);
126 BAD_SW_IF_INDEX_LABEL;
127 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
131 send_sw_interface_details (vpe_api_main_t * am,
132 unix_shared_memory_queue_t * q,
133 vnet_sw_interface_t * swif,
134 u8 * interface_name, u32 context)
136 vnet_hw_interface_t *hi =
137 vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
139 vl_api_sw_interface_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
140 memset (mp, 0, sizeof (*mp));
141 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
142 mp->sw_if_index = ntohl (swif->sw_if_index);
143 mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
144 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
145 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
146 mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
147 VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
148 mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >>
149 VNET_HW_INTERFACE_FLAG_SPEED_SHIFT);
150 mp->link_mtu = ntohs (hi->max_packet_bytes);
151 mp->context = context;
153 strncpy ((char *) mp->interface_name,
154 (char *) interface_name, ARRAY_LEN (mp->interface_name) - 1);
156 /* Send the L2 address for ethernet physical intfcs */
157 if (swif->sup_sw_if_index == swif->sw_if_index
158 && hi->hw_class_index == ethernet_hw_interface_class.index)
160 ethernet_main_t *em = ethernet_get_main (am->vlib_main);
161 ethernet_interface_t *ei;
163 ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
164 ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
165 clib_memcpy (mp->l2_address, ei->address, sizeof (ei->address));
166 mp->l2_address_length = ntohl (sizeof (ei->address));
168 else if (swif->sup_sw_if_index != swif->sw_if_index)
170 vnet_sub_interface_t *sub = &swif->sub;
171 mp->sub_id = ntohl (sub->id);
172 mp->sub_dot1ad = sub->eth.flags.dot1ad;
173 mp->sub_number_of_tags =
174 sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
175 mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
176 mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
177 mp->sub_exact_match = sub->eth.flags.exact_match;
178 mp->sub_default = sub->eth.flags.default_sub;
179 mp->sub_outer_vlan_id_any = sub->eth.flags.outer_vlan_id_any;
180 mp->sub_inner_vlan_id_any = sub->eth.flags.inner_vlan_id_any;
182 /* vlan tag rewrite data */
183 u32 vtr_op = L2_VTR_DISABLED;
184 u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
186 if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
187 &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
189 // error - default to disabled
190 mp->vtr_op = ntohl (L2_VTR_DISABLED);
191 clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
196 mp->vtr_op = ntohl (vtr_op);
197 mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
198 mp->vtr_tag1 = ntohl (vtr_tag1);
199 mp->vtr_tag2 = ntohl (vtr_tag2);
203 /* pbb tag rewrite data */
204 ethernet_header_t eth_hdr;
205 u32 vtr_op = L2_VTR_DISABLED;
209 memset (ð_hdr, 0, sizeof (eth_hdr));
211 if (!l2pbb_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
212 &vtr_op, &outer_tag, ð_hdr, &b_vlanid, &i_sid))
215 clib_memcpy (mp->b_dmac, eth_hdr.dst_address,
216 sizeof (eth_hdr.dst_address));
217 clib_memcpy (mp->b_smac, eth_hdr.src_address,
218 sizeof (eth_hdr.src_address));
219 mp->b_vlanid = b_vlanid;
223 u8 *tag = vnet_get_sw_interface_tag (vnet_get_main (), swif->sw_if_index);
225 strncpy ((char *) mp->tag, (char *) tag, ARRAY_LEN (mp->tag) - 1);
227 vl_msg_api_send_shmem (q, (u8 *) & mp);
231 vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
233 vpe_api_main_t *am = &vpe_api_main;
234 vnet_sw_interface_t *swif;
235 vnet_interface_main_t *im = &am->vnet_main->interface_main;
237 unix_shared_memory_queue_t *q =
238 vl_api_client_index_to_input_queue (mp->client_index);
242 u8 *filter = 0, *name = 0;
243 if (mp->name_filter_valid)
245 mp->name_filter[ARRAY_LEN (mp->name_filter) - 1] = 0;
246 filter = format (0, "%s%c", mp->name_filter, 0);
249 char *strcasestr (char *, char *); /* lnx hdr file botch */
251 pool_foreach (swif, im->sw_interfaces,
253 if (!vnet_swif_is_api_visible (swif))
255 vec_reset_length(name);
256 name = format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
259 if (filter && !strcasestr((char *) name, (char *) filter))
262 send_sw_interface_details (am, q, swif, name, mp->context);
271 vl_api_sw_interface_add_del_address_t_handler
272 (vl_api_sw_interface_add_del_address_t * mp)
274 vlib_main_t *vm = vlib_get_main ();
275 vl_api_sw_interface_add_del_address_reply_t *rmp;
279 VALIDATE_SW_IF_INDEX (mp);
281 is_del = mp->is_add == 0;
284 ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
285 else if (mp->is_ipv6)
286 ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
287 (void *) mp->address,
288 mp->address_length, is_del);
290 ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
291 (void *) mp->address,
292 mp->address_length, is_del);
294 BAD_SW_IF_INDEX_LABEL;
296 REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
299 void stats_dslock_with_hint (int hint, int tag) __attribute__ ((weak));
301 stats_dslock_with_hint (int hint, int tag)
305 void stats_dsunlock (void) __attribute__ ((weak));
307 stats_dsunlock (void)
312 vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
315 u32 table_id = ntohl (mp->vrf_id);
316 u32 sw_if_index = ntohl (mp->sw_if_index);
317 vl_api_sw_interface_set_table_reply_t *rmp;
318 CLIB_UNUSED (ip_interface_address_t * ia);
321 VALIDATE_SW_IF_INDEX (mp);
323 stats_dslock_with_hint (1 /* release hint */ , 4 /* tag */ );
328 foreach_ip_interface_address (&ip6_main.lookup_main,
330 1 /* honor unnumbered */ ,
332 rv = VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE;
337 fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP6,
339 vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
340 ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
342 fib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP6,
344 vec_validate (ip6_main.mfib_index_by_sw_if_index, sw_if_index);
345 ip6_main.mfib_index_by_sw_if_index[sw_if_index] = fib_index;
350 foreach_ip_interface_address (&ip4_main.lookup_main,
352 1 /* honor unnumbered */ ,
354 rv = VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE;
359 fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
361 vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
362 ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
364 fib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
366 vec_validate (ip4_main.mfib_index_by_sw_if_index, sw_if_index);
367 ip4_main.mfib_index_by_sw_if_index[sw_if_index] = fib_index;
373 BAD_SW_IF_INDEX_LABEL;
375 REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
379 send_sw_interface_get_table_reply (unix_shared_memory_queue_t * q,
380 u32 context, int retval, u32 vrf_id)
382 vl_api_sw_interface_get_table_reply_t *mp;
384 mp = vl_msg_api_alloc (sizeof (*mp));
385 memset (mp, 0, sizeof (*mp));
386 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
387 mp->context = context;
388 mp->retval = htonl (retval);
389 mp->vrf_id = htonl (vrf_id);
391 vl_msg_api_send_shmem (q, (u8 *) & mp);
395 vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
397 unix_shared_memory_queue_t *q;
398 fib_table_t *fib_table = 0;
399 u32 sw_if_index = ~0;
402 fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
405 q = vl_api_client_index_to_input_queue (mp->client_index);
409 VALIDATE_SW_IF_INDEX (mp);
411 sw_if_index = ntohl (mp->sw_if_index);
414 fib_proto = FIB_PROTOCOL_IP6;
416 fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
419 fib_table = fib_table_get (fib_index, fib_proto);
420 table_id = fib_table->ft_table_id;
423 BAD_SW_IF_INDEX_LABEL;
425 send_sw_interface_get_table_reply (q, mp->context, rv, table_id);
428 static void vl_api_sw_interface_set_unnumbered_t_handler
429 (vl_api_sw_interface_set_unnumbered_t * mp)
431 vl_api_sw_interface_set_unnumbered_reply_t *rmp;
433 vnet_main_t *vnm = vnet_get_main ();
434 u32 sw_if_index = ntohl (mp->sw_if_index);
435 u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
439 * The API message field names are backwards from
440 * the underlying data structure names.
441 * It's not worth changing them now.
443 if (!vnet_sw_interface_is_api_valid (vnm, unnumbered_sw_if_index))
445 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
449 /* Only check the "use loop0" field when setting the binding */
450 if (mp->is_add && !vnet_sw_interface_is_api_valid (vnm, sw_if_index))
452 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
456 vnet_sw_interface_t *si =
457 vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
458 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
462 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
463 si->unnumbered_sw_if_index = sw_if_index;
465 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
466 [unnumbered_sw_if_index] =
468 lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index];
470 lookup_main.if_address_pool_index_by_sw_if_index
471 [unnumbered_sw_if_index] =
473 lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index];
477 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
478 si->unnumbered_sw_if_index = (u32) ~ 0;
480 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
481 [unnumbered_sw_if_index] = ~0;
482 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
483 [unnumbered_sw_if_index] = ~0;
486 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
488 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add);
489 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add);
493 REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
497 vl_api_sw_interface_clear_stats_t_handler (vl_api_sw_interface_clear_stats_t *
500 vl_api_sw_interface_clear_stats_reply_t *rmp;
502 vnet_main_t *vnm = vnet_get_main ();
503 vnet_interface_main_t *im = &vnm->interface_main;
504 vlib_simple_counter_main_t *sm;
505 vlib_combined_counter_main_t *cm;
506 static vnet_main_t **my_vnet_mains;
507 int i, j, n_counters;
510 if (mp->sw_if_index != ~0)
511 VALIDATE_SW_IF_INDEX (mp);
513 vec_reset_length (my_vnet_mains);
515 for (i = 0; i < vec_len (vnet_mains); i++)
518 vec_add1 (my_vnet_mains, vnet_mains[i]);
521 if (vec_len (vnet_mains) == 0)
522 vec_add1 (my_vnet_mains, vnm);
524 n_counters = vec_len (im->combined_sw_if_counters);
526 for (j = 0; j < n_counters; j++)
528 for (i = 0; i < vec_len (my_vnet_mains); i++)
530 im = &my_vnet_mains[i]->interface_main;
531 cm = im->combined_sw_if_counters + j;
532 if (mp->sw_if_index == (u32) ~ 0)
533 vlib_clear_combined_counters (cm);
535 vlib_zero_combined_counter (cm, ntohl (mp->sw_if_index));
539 n_counters = vec_len (im->sw_if_counters);
541 for (j = 0; j < n_counters; j++)
543 for (i = 0; i < vec_len (my_vnet_mains); i++)
545 im = &my_vnet_mains[i]->interface_main;
546 sm = im->sw_if_counters + j;
547 if (mp->sw_if_index == (u32) ~ 0)
548 vlib_clear_simple_counters (sm);
550 vlib_zero_simple_counter (sm, ntohl (mp->sw_if_index));
554 BAD_SW_IF_INDEX_LABEL;
556 REPLY_MACRO (VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
559 #define API_LINK_STATE_EVENT 1
560 #define API_ADMIN_UP_DOWN_EVENT 2
563 event_data_cmp (void *a1, void *a2)
568 return (word) e1[0] - (word) e2[0];
572 send_sw_interface_flags (vpe_api_main_t * am,
573 unix_shared_memory_queue_t * q,
574 vnet_sw_interface_t * swif)
576 vl_api_sw_interface_set_flags_t *mp;
577 vnet_main_t *vnm = am->vnet_main;
579 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
581 mp = vl_msg_api_alloc (sizeof (*mp));
582 memset (mp, 0, sizeof (*mp));
583 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_SET_FLAGS);
584 mp->sw_if_index = ntohl (swif->sw_if_index);
586 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
587 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
588 vl_msg_api_send_shmem (q, (u8 *) & mp);
592 link_state_process (vlib_main_t * vm,
593 vlib_node_runtime_t * rt, vlib_frame_t * f)
595 vpe_api_main_t *vam = &vpe_api_main;
596 vnet_main_t *vnm = vam->vnet_main;
597 vnet_sw_interface_t *swif;
598 uword *event_data = 0;
599 vpe_client_registration_t *reg;
601 u32 prev_sw_if_index;
602 unix_shared_memory_queue_t *q;
604 vam->link_state_process_up = 1;
608 vlib_process_wait_for_event (vm);
610 /* Unified list of changed link or admin state sw_if_indices */
611 vlib_process_get_events_with_type
612 (vm, &event_data, API_LINK_STATE_EVENT);
613 vlib_process_get_events_with_type
614 (vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
616 /* Sort, so we can eliminate duplicates */
617 vec_sort_with_function (event_data, event_data_cmp);
619 prev_sw_if_index = ~0;
621 for (i = 0; i < vec_len (event_data); i++)
623 /* Only one message per swif */
624 if (prev_sw_if_index == event_data[i])
626 prev_sw_if_index = event_data[i];
629 pool_foreach(reg, vam->interface_events_registrations,
631 q = vl_api_client_index_to_input_queue (reg->client_index);
634 /* sw_interface may be deleted already */
635 if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
638 swif = vnet_get_sw_interface (vnm, event_data[i]);
639 send_sw_interface_flags (vam, q, swif);
645 vec_reset_length (event_data);
651 static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
653 static clib_error_t *admin_up_down_function (vnet_main_t * vm,
654 u32 hw_if_index, u32 flags);
657 VLIB_REGISTER_NODE (link_state_process_node,static) = {
658 .function = link_state_process,
659 .type = VLIB_NODE_TYPE_PROCESS,
660 .name = "vpe-link-state-process",
664 VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
665 VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
667 static clib_error_t *
668 link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
670 vpe_api_main_t *vam = &vpe_api_main;
671 vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
673 if (vam->link_state_process_up)
674 vlib_process_signal_event (vam->vlib_main,
675 link_state_process_node.index,
676 API_LINK_STATE_EVENT, hi->sw_if_index);
680 static clib_error_t *
681 admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
683 vpe_api_main_t *vam = &vpe_api_main;
686 * Note: it's perfectly fair to set a subif admin up / admin down.
687 * Note the subtle distinction between this routine and the previous
690 if (vam->link_state_process_up)
691 vlib_process_signal_event (vam->vlib_main,
692 link_state_process_node.index,
693 API_ADMIN_UP_DOWN_EVENT, sw_if_index);
697 static void vl_api_sw_interface_tag_add_del_t_handler
698 (vl_api_sw_interface_tag_add_del_t * mp)
700 vnet_main_t *vnm = vnet_get_main ();
701 vl_api_sw_interface_tag_add_del_reply_t *rmp;
704 u32 sw_if_index = ntohl (mp->sw_if_index);
706 VALIDATE_SW_IF_INDEX (mp);
712 rv = VNET_API_ERROR_INVALID_VALUE;
716 mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
717 tag = format (0, "%s%c", mp->tag, 0);
718 vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
721 vnet_clear_sw_interface_tag (vnm, sw_if_index);
723 BAD_SW_IF_INDEX_LABEL;
725 REPLY_MACRO (VL_API_SW_INTERFACE_TAG_ADD_DEL_REPLY);
730 * Add vpe's API message handlers to the table.
731 * vlib has alread mapped shared memory and
732 * added the client registration handlers.
733 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
735 #define vl_msg_name_crc_list
736 #include <vnet/interface.api.h>
737 #undef vl_msg_name_crc_list
740 setup_message_id_table (api_main_t * am)
742 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
743 foreach_vl_msg_name_crc_interface;
747 pub_sub_handler (interface_events, INTERFACE_EVENTS);
749 static clib_error_t *
750 interface_api_hookup (vlib_main_t * vm)
752 api_main_t *am = &api_main;
755 vl_msg_api_set_handlers(VL_API_##N, #n, \
756 vl_api_##n##_t_handler, \
758 vl_api_##n##_t_endian, \
759 vl_api_##n##_t_print, \
760 sizeof(vl_api_##n##_t), 1);
765 * Set up the (msg_name, crc, message-id) table
767 setup_message_id_table (am);
772 VLIB_API_INIT_FUNCTION (interface_api_hookup);
775 * fd.io coding-style-patch-verification: ON
778 * eval: (c-set-style "gnu")