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>
49 vpe_api_main_t vpe_api_main;
51 #define foreach_vpe_api_msg \
52 _(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags) \
53 _(SW_INTERFACE_SET_MTU, sw_interface_set_mtu) \
54 _(WANT_INTERFACE_EVENTS, want_interface_events) \
55 _(SW_INTERFACE_DUMP, sw_interface_dump) \
56 _(SW_INTERFACE_ADD_DEL_ADDRESS, sw_interface_add_del_address) \
57 _(SW_INTERFACE_SET_TABLE, sw_interface_set_table) \
58 _(SW_INTERFACE_GET_TABLE, sw_interface_get_table) \
59 _(SW_INTERFACE_SET_UNNUMBERED, sw_interface_set_unnumbered) \
60 _(SW_INTERFACE_CLEAR_STATS, sw_interface_clear_stats) \
61 _(SW_INTERFACE_TAG_ADD_DEL, sw_interface_tag_add_del)
64 vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
66 vl_api_sw_interface_set_flags_reply_t *rmp;
67 vnet_main_t *vnm = vnet_get_main ();
72 VALIDATE_SW_IF_INDEX (mp);
74 flags = mp->admin_up_down ? VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
76 error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
80 clib_error_report (error);
83 BAD_SW_IF_INDEX_LABEL;
84 REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
88 vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
90 vl_api_sw_interface_set_mtu_reply_t *rmp;
91 vnet_main_t *vnm = vnet_get_main ();
92 u32 flags = ETHERNET_INTERFACE_FLAG_MTU;
93 u32 sw_if_index = ntohl (mp->sw_if_index);
94 u16 mtu = ntohs (mp->mtu);
95 ethernet_main_t *em = ðernet_main;
98 VALIDATE_SW_IF_INDEX (mp);
100 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, sw_if_index);
101 ethernet_interface_t *eif = ethernet_get_interface (em, sw_if_index);
105 rv = VNET_API_ERROR_FEATURE_DISABLED;
106 goto bad_sw_if_index;
109 if (mtu < hi->min_supported_packet_bytes)
111 rv = VNET_API_ERROR_INVALID_VALUE;
112 goto bad_sw_if_index;
115 if (mtu > hi->max_supported_packet_bytes)
117 rv = VNET_API_ERROR_INVALID_VALUE;
118 goto bad_sw_if_index;
121 if (hi->max_packet_bytes != mtu)
123 hi->max_packet_bytes = mtu;
124 ethernet_set_flags (vnm, sw_if_index, flags);
127 BAD_SW_IF_INDEX_LABEL;
128 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
132 send_sw_interface_details (vpe_api_main_t * am,
133 unix_shared_memory_queue_t * q,
134 vnet_sw_interface_t * swif,
135 u8 * interface_name, u32 context)
137 vnet_hw_interface_t *hi =
138 vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
140 vl_api_sw_interface_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
141 memset (mp, 0, sizeof (*mp));
142 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
143 mp->sw_if_index = ntohl (swif->sw_if_index);
144 mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
145 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
146 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
147 mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
148 VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
149 mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >>
150 VNET_HW_INTERFACE_FLAG_SPEED_SHIFT);
151 mp->link_mtu = ntohs (hi->max_packet_bytes);
152 mp->context = context;
154 strncpy ((char *) mp->interface_name,
155 (char *) interface_name, ARRAY_LEN (mp->interface_name) - 1);
157 /* Send the L2 address for ethernet physical intfcs */
158 if (swif->sup_sw_if_index == swif->sw_if_index
159 && hi->hw_class_index == ethernet_hw_interface_class.index)
161 ethernet_main_t *em = ethernet_get_main (am->vlib_main);
162 ethernet_interface_t *ei;
164 ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
165 ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
166 clib_memcpy (mp->l2_address, ei->address, sizeof (ei->address));
167 mp->l2_address_length = ntohl (sizeof (ei->address));
169 else if (swif->sup_sw_if_index != swif->sw_if_index)
171 vnet_sub_interface_t *sub = &swif->sub;
172 mp->sub_id = ntohl (sub->id);
173 mp->sub_dot1ad = sub->eth.flags.dot1ad;
174 mp->sub_number_of_tags =
175 sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
176 mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
177 mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
178 mp->sub_exact_match = sub->eth.flags.exact_match;
179 mp->sub_default = sub->eth.flags.default_sub;
180 mp->sub_outer_vlan_id_any = sub->eth.flags.outer_vlan_id_any;
181 mp->sub_inner_vlan_id_any = sub->eth.flags.inner_vlan_id_any;
183 /* vlan tag rewrite data */
184 u32 vtr_op = L2_VTR_DISABLED;
185 u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
187 if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
188 &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
190 // error - default to disabled
191 mp->vtr_op = ntohl (L2_VTR_DISABLED);
192 clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
197 mp->vtr_op = ntohl (vtr_op);
198 mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
199 mp->vtr_tag1 = ntohl (vtr_tag1);
200 mp->vtr_tag2 = ntohl (vtr_tag2);
204 /* pbb tag rewrite data */
205 ethernet_header_t eth_hdr;
206 u32 vtr_op = L2_VTR_DISABLED;
210 memset (ð_hdr, 0, sizeof (eth_hdr));
212 if (!l2pbb_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
213 &vtr_op, &outer_tag, ð_hdr, &b_vlanid, &i_sid))
216 clib_memcpy (mp->b_dmac, eth_hdr.dst_address,
217 sizeof (eth_hdr.dst_address));
218 clib_memcpy (mp->b_smac, eth_hdr.src_address,
219 sizeof (eth_hdr.src_address));
220 mp->b_vlanid = b_vlanid;
224 u8 *tag = vnet_get_sw_interface_tag (vnet_get_main (), swif->sw_if_index);
226 strncpy ((char *) mp->tag, (char *) tag, ARRAY_LEN (mp->tag) - 1);
228 vl_msg_api_send_shmem (q, (u8 *) & mp);
232 vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
234 vpe_api_main_t *am = &vpe_api_main;
235 vnet_sw_interface_t *swif;
236 vnet_interface_main_t *im = &am->vnet_main->interface_main;
238 unix_shared_memory_queue_t *q =
239 vl_api_client_index_to_input_queue (mp->client_index);
243 u8 *filter = 0, *name = 0;
244 if (mp->name_filter_valid)
246 mp->name_filter[ARRAY_LEN (mp->name_filter) - 1] = 0;
247 filter = format (0, "%s%c", mp->name_filter, 0);
250 char *strcasestr (char *, char *); /* lnx hdr file botch */
252 pool_foreach (swif, im->sw_interfaces,
254 if (!vnet_swif_is_api_visible (swif))
256 vec_reset_length(name);
257 name = format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
260 if (filter && !strcasestr((char *) name, (char *) filter))
263 send_sw_interface_details (am, q, swif, name, mp->context);
272 vl_api_sw_interface_add_del_address_t_handler
273 (vl_api_sw_interface_add_del_address_t * mp)
275 vlib_main_t *vm = vlib_get_main ();
276 vl_api_sw_interface_add_del_address_reply_t *rmp;
280 VALIDATE_SW_IF_INDEX (mp);
282 is_del = mp->is_add == 0;
285 ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
286 else if (mp->is_ipv6)
287 ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
288 (void *) mp->address,
289 mp->address_length, is_del);
291 ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
292 (void *) mp->address,
293 mp->address_length, is_del);
295 BAD_SW_IF_INDEX_LABEL;
297 REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
300 void stats_dslock_with_hint (int hint, int tag) __attribute__ ((weak));
302 stats_dslock_with_hint (int hint, int tag)
306 void stats_dsunlock (void) __attribute__ ((weak));
308 stats_dsunlock (void)
313 vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
316 u32 table_id = ntohl (mp->vrf_id);
317 u32 sw_if_index = ntohl (mp->sw_if_index);
318 vl_api_sw_interface_set_table_reply_t *rmp;
319 CLIB_UNUSED (ip_interface_address_t * ia);
322 VALIDATE_SW_IF_INDEX (mp);
324 stats_dslock_with_hint (1 /* release hint */ , 4 /* tag */ );
329 foreach_ip_interface_address (&ip6_main.lookup_main,
331 1 /* honor unnumbered */ ,
333 rv = VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE;
338 fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP6,
340 vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
341 ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
343 fib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP6,
345 vec_validate (ip6_main.mfib_index_by_sw_if_index, sw_if_index);
346 ip6_main.mfib_index_by_sw_if_index[sw_if_index] = fib_index;
351 foreach_ip_interface_address (&ip4_main.lookup_main,
353 1 /* honor unnumbered */ ,
355 rv = VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE;
360 fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
362 vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
363 ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
365 fib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
367 vec_validate (ip4_main.mfib_index_by_sw_if_index, sw_if_index);
368 ip4_main.mfib_index_by_sw_if_index[sw_if_index] = fib_index;
374 BAD_SW_IF_INDEX_LABEL;
376 REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
380 send_sw_interface_get_table_reply (unix_shared_memory_queue_t * q,
381 u32 context, int retval, u32 vrf_id)
383 vl_api_sw_interface_get_table_reply_t *mp;
385 mp = vl_msg_api_alloc (sizeof (*mp));
386 memset (mp, 0, sizeof (*mp));
387 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
388 mp->context = context;
389 mp->retval = htonl (retval);
390 mp->vrf_id = htonl (vrf_id);
392 vl_msg_api_send_shmem (q, (u8 *) & mp);
396 vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
398 unix_shared_memory_queue_t *q;
399 fib_table_t *fib_table = 0;
400 u32 sw_if_index = ~0;
403 fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
406 q = vl_api_client_index_to_input_queue (mp->client_index);
410 VALIDATE_SW_IF_INDEX (mp);
412 sw_if_index = ntohl (mp->sw_if_index);
415 fib_proto = FIB_PROTOCOL_IP6;
417 fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
420 fib_table = fib_table_get (fib_index, fib_proto);
421 table_id = fib_table->ft_table_id;
424 BAD_SW_IF_INDEX_LABEL;
426 send_sw_interface_get_table_reply (q, mp->context, rv, table_id);
429 static void vl_api_sw_interface_set_unnumbered_t_handler
430 (vl_api_sw_interface_set_unnumbered_t * mp)
432 vl_api_sw_interface_set_unnumbered_reply_t *rmp;
434 vnet_main_t *vnm = vnet_get_main ();
435 u32 sw_if_index = ntohl (mp->sw_if_index);
436 u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
440 * The API message field names are backwards from
441 * the underlying data structure names.
442 * It's not worth changing them now.
444 if (!vnet_sw_interface_is_api_valid (vnm, unnumbered_sw_if_index))
446 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
450 /* Only check the "use loop0" field when setting the binding */
451 if (mp->is_add && !vnet_sw_interface_is_api_valid (vnm, sw_if_index))
453 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
457 vnet_sw_interface_t *si =
458 vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
459 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
463 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
464 si->unnumbered_sw_if_index = sw_if_index;
466 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
467 [unnumbered_sw_if_index] =
469 lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index];
471 lookup_main.if_address_pool_index_by_sw_if_index
472 [unnumbered_sw_if_index] =
474 lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index];
478 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
479 si->unnumbered_sw_if_index = (u32) ~ 0;
481 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
482 [unnumbered_sw_if_index] = ~0;
483 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
484 [unnumbered_sw_if_index] = ~0;
487 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
489 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add);
490 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add);
494 REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
498 vl_api_sw_interface_clear_stats_t_handler (vl_api_sw_interface_clear_stats_t *
501 vl_api_sw_interface_clear_stats_reply_t *rmp;
503 vnet_main_t *vnm = vnet_get_main ();
504 vnet_interface_main_t *im = &vnm->interface_main;
505 vlib_simple_counter_main_t *sm;
506 vlib_combined_counter_main_t *cm;
507 static vnet_main_t **my_vnet_mains;
508 int i, j, n_counters;
511 if (mp->sw_if_index != ~0)
512 VALIDATE_SW_IF_INDEX (mp);
514 vec_reset_length (my_vnet_mains);
516 for (i = 0; i < vec_len (vnet_mains); i++)
519 vec_add1 (my_vnet_mains, vnet_mains[i]);
522 if (vec_len (vnet_mains) == 0)
523 vec_add1 (my_vnet_mains, vnm);
525 n_counters = vec_len (im->combined_sw_if_counters);
527 for (j = 0; j < n_counters; j++)
529 for (i = 0; i < vec_len (my_vnet_mains); i++)
531 im = &my_vnet_mains[i]->interface_main;
532 cm = im->combined_sw_if_counters + j;
533 if (mp->sw_if_index == (u32) ~ 0)
534 vlib_clear_combined_counters (cm);
536 vlib_zero_combined_counter (cm, ntohl (mp->sw_if_index));
540 n_counters = vec_len (im->sw_if_counters);
542 for (j = 0; j < n_counters; j++)
544 for (i = 0; i < vec_len (my_vnet_mains); i++)
546 im = &my_vnet_mains[i]->interface_main;
547 sm = im->sw_if_counters + j;
548 if (mp->sw_if_index == (u32) ~ 0)
549 vlib_clear_simple_counters (sm);
551 vlib_zero_simple_counter (sm, ntohl (mp->sw_if_index));
555 BAD_SW_IF_INDEX_LABEL;
557 REPLY_MACRO (VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
560 #define API_LINK_STATE_EVENT 1
561 #define API_ADMIN_UP_DOWN_EVENT 2
564 event_data_cmp (void *a1, void *a2)
569 return (word) e1[0] - (word) e2[0];
573 send_sw_interface_flags (vpe_api_main_t * am,
574 unix_shared_memory_queue_t * q,
575 vnet_sw_interface_t * swif)
577 vl_api_sw_interface_set_flags_t *mp;
578 vnet_main_t *vnm = am->vnet_main;
580 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
582 mp = vl_msg_api_alloc (sizeof (*mp));
583 memset (mp, 0, sizeof (*mp));
584 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_SET_FLAGS);
585 mp->sw_if_index = ntohl (swif->sw_if_index);
587 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
588 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
589 vl_msg_api_send_shmem (q, (u8 *) & mp);
593 link_state_process (vlib_main_t * vm,
594 vlib_node_runtime_t * rt, vlib_frame_t * f)
596 vpe_api_main_t *vam = &vpe_api_main;
597 vnet_main_t *vnm = vam->vnet_main;
598 vnet_sw_interface_t *swif;
599 uword *event_data = 0;
600 vpe_client_registration_t *reg;
602 u32 prev_sw_if_index;
603 unix_shared_memory_queue_t *q;
605 vam->link_state_process_up = 1;
609 vlib_process_wait_for_event (vm);
611 /* Unified list of changed link or admin state sw_if_indices */
612 vlib_process_get_events_with_type
613 (vm, &event_data, API_LINK_STATE_EVENT);
614 vlib_process_get_events_with_type
615 (vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
617 /* Sort, so we can eliminate duplicates */
618 vec_sort_with_function (event_data, event_data_cmp);
620 prev_sw_if_index = ~0;
622 for (i = 0; i < vec_len (event_data); i++)
624 /* Only one message per swif */
625 if (prev_sw_if_index == event_data[i])
627 prev_sw_if_index = event_data[i];
630 pool_foreach(reg, vam->interface_events_registrations,
632 q = vl_api_client_index_to_input_queue (reg->client_index);
635 /* sw_interface may be deleted already */
636 if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
639 swif = vnet_get_sw_interface (vnm, event_data[i]);
640 send_sw_interface_flags (vam, q, swif);
646 vec_reset_length (event_data);
652 static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
654 static clib_error_t *admin_up_down_function (vnet_main_t * vm,
655 u32 hw_if_index, u32 flags);
658 VLIB_REGISTER_NODE (link_state_process_node,static) = {
659 .function = link_state_process,
660 .type = VLIB_NODE_TYPE_PROCESS,
661 .name = "vpe-link-state-process",
665 VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
666 VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
668 static clib_error_t *
669 link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
671 vpe_api_main_t *vam = &vpe_api_main;
672 vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
674 if (vam->link_state_process_up)
675 vlib_process_signal_event (vam->vlib_main,
676 link_state_process_node.index,
677 API_LINK_STATE_EVENT, hi->sw_if_index);
681 static clib_error_t *
682 admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
684 vpe_api_main_t *vam = &vpe_api_main;
687 * Note: it's perfectly fair to set a subif admin up / admin down.
688 * Note the subtle distinction between this routine and the previous
691 if (vam->link_state_process_up)
692 vlib_process_signal_event (vam->vlib_main,
693 link_state_process_node.index,
694 API_ADMIN_UP_DOWN_EVENT, sw_if_index);
698 static void vl_api_sw_interface_tag_add_del_t_handler
699 (vl_api_sw_interface_tag_add_del_t * mp)
701 vnet_main_t *vnm = vnet_get_main ();
702 vl_api_sw_interface_tag_add_del_reply_t *rmp;
705 u32 sw_if_index = ntohl (mp->sw_if_index);
707 VALIDATE_SW_IF_INDEX (mp);
713 rv = VNET_API_ERROR_INVALID_VALUE;
717 mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
718 tag = format (0, "%s%c", mp->tag, 0);
719 vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
722 vnet_clear_sw_interface_tag (vnm, sw_if_index);
724 BAD_SW_IF_INDEX_LABEL;
726 REPLY_MACRO (VL_API_SW_INTERFACE_TAG_ADD_DEL_REPLY);
731 * Add vpe's API message handlers to the table.
732 * vlib has alread mapped shared memory and
733 * added the client registration handlers.
734 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
736 #define vl_msg_name_crc_list
737 #include <vnet/interface.api.h>
738 #undef vl_msg_name_crc_list
741 setup_message_id_table (api_main_t * am)
743 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
744 foreach_vl_msg_name_crc_interface;
748 pub_sub_handler (interface_events, INTERFACE_EVENTS);
750 static clib_error_t *
751 interface_api_hookup (vlib_main_t * vm)
753 api_main_t *am = &api_main;
756 vl_msg_api_set_handlers(VL_API_##N, #n, \
757 vl_api_##n##_t_handler, \
759 vl_api_##n##_t_endian, \
760 vl_api_##n##_t_print, \
761 sizeof(vl_api_##n##_t), 1);
766 * Set up the (msg_name, crc, message-id) table
768 setup_message_id_table (am);
773 VLIB_API_INIT_FUNCTION (interface_api_hookup);
776 * fd.io coding-style-patch-verification: ON
779 * eval: (c-set-style "gnu")