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_RX_MODE, sw_interface_set_rx_mode) \
58 _(SW_INTERFACE_SET_TABLE, sw_interface_set_table) \
59 _(SW_INTERFACE_GET_TABLE, sw_interface_get_table) \
60 _(SW_INTERFACE_SET_UNNUMBERED, sw_interface_set_unnumbered) \
61 _(SW_INTERFACE_CLEAR_STATS, sw_interface_clear_stats) \
62 _(SW_INTERFACE_TAG_ADD_DEL, sw_interface_tag_add_del) \
63 _(SW_INTERFACE_SET_MAC_ADDRESS, sw_interface_set_mac_address)
66 vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
68 vl_api_sw_interface_set_flags_reply_t *rmp;
69 vnet_main_t *vnm = vnet_get_main ();
74 VALIDATE_SW_IF_INDEX (mp);
76 flags = mp->admin_up_down ? VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
78 error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
82 clib_error_report (error);
85 BAD_SW_IF_INDEX_LABEL;
86 REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
90 vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
92 vl_api_sw_interface_set_mtu_reply_t *rmp;
93 vnet_main_t *vnm = vnet_get_main ();
94 u32 flags = ETHERNET_INTERFACE_FLAG_MTU;
95 u32 sw_if_index = ntohl (mp->sw_if_index);
96 u16 mtu = ntohs (mp->mtu);
97 ethernet_main_t *em = ðernet_main;
100 VALIDATE_SW_IF_INDEX (mp);
102 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
103 if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
105 rv = VNET_API_ERROR_INVALID_VALUE;
106 goto bad_sw_if_index;
109 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, si->hw_if_index);
110 ethernet_interface_t *eif = ethernet_get_interface (em, si->hw_if_index);
114 rv = VNET_API_ERROR_FEATURE_DISABLED;
115 goto bad_sw_if_index;
118 if (mtu < hi->min_supported_packet_bytes)
120 rv = VNET_API_ERROR_INVALID_VALUE;
121 goto bad_sw_if_index;
124 if (mtu > hi->max_supported_packet_bytes)
126 rv = VNET_API_ERROR_INVALID_VALUE;
127 goto bad_sw_if_index;
130 if (hi->max_packet_bytes != mtu)
132 hi->max_packet_bytes = mtu;
133 ethernet_set_flags (vnm, si->hw_if_index, flags);
136 BAD_SW_IF_INDEX_LABEL;
137 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
141 send_sw_interface_details (vpe_api_main_t * am,
142 vl_api_registration_t * rp,
143 vnet_sw_interface_t * swif,
144 u8 * interface_name, u32 context)
146 vnet_hw_interface_t *hi =
147 vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
149 vl_api_sw_interface_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
150 memset (mp, 0, sizeof (*mp));
151 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
152 mp->sw_if_index = ntohl (swif->sw_if_index);
153 mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
154 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
155 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
156 mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
157 VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
158 mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >>
159 VNET_HW_INTERFACE_FLAG_SPEED_SHIFT);
160 mp->link_mtu = ntohs (hi->max_packet_bytes);
161 mp->context = context;
163 strncpy ((char *) mp->interface_name,
164 (char *) interface_name, ARRAY_LEN (mp->interface_name) - 1);
166 /* Send the L2 address for ethernet physical intfcs */
167 if (swif->sup_sw_if_index == swif->sw_if_index
168 && hi->hw_class_index == ethernet_hw_interface_class.index)
170 ethernet_main_t *em = ethernet_get_main (am->vlib_main);
171 ethernet_interface_t *ei;
173 ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
174 ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
175 clib_memcpy (mp->l2_address, ei->address, sizeof (ei->address));
176 mp->l2_address_length = ntohl (sizeof (ei->address));
178 else if (swif->sup_sw_if_index != swif->sw_if_index)
180 vnet_sub_interface_t *sub = &swif->sub;
181 mp->sub_id = ntohl (sub->id);
182 mp->sub_dot1ad = sub->eth.flags.dot1ad;
183 mp->sub_number_of_tags =
184 sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
185 mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
186 mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
187 mp->sub_exact_match = sub->eth.flags.exact_match;
188 mp->sub_default = sub->eth.flags.default_sub;
189 mp->sub_outer_vlan_id_any = sub->eth.flags.outer_vlan_id_any;
190 mp->sub_inner_vlan_id_any = sub->eth.flags.inner_vlan_id_any;
192 /* vlan tag rewrite data */
193 u32 vtr_op = L2_VTR_DISABLED;
194 u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
196 if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
197 &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
199 // error - default to disabled
200 mp->vtr_op = ntohl (L2_VTR_DISABLED);
201 clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
206 mp->vtr_op = ntohl (vtr_op);
207 mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
208 mp->vtr_tag1 = ntohl (vtr_tag1);
209 mp->vtr_tag2 = ntohl (vtr_tag2);
213 /* pbb tag rewrite data */
214 ethernet_header_t eth_hdr;
215 u32 vtr_op = L2_VTR_DISABLED;
219 memset (ð_hdr, 0, sizeof (eth_hdr));
221 if (!l2pbb_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
222 &vtr_op, &outer_tag, ð_hdr, &b_vlanid, &i_sid))
225 clib_memcpy (mp->b_dmac, eth_hdr.dst_address,
226 sizeof (eth_hdr.dst_address));
227 clib_memcpy (mp->b_smac, eth_hdr.src_address,
228 sizeof (eth_hdr.src_address));
229 mp->b_vlanid = b_vlanid;
233 u8 *tag = vnet_get_sw_interface_tag (vnet_get_main (), swif->sw_if_index);
235 strncpy ((char *) mp->tag, (char *) tag, ARRAY_LEN (mp->tag) - 1);
237 vl_msg_api_send (rp, (u8 *) mp);
241 vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
243 vpe_api_main_t *am = &vpe_api_main;
244 vnet_sw_interface_t *swif;
245 vnet_interface_main_t *im = &am->vnet_main->interface_main;
246 vl_api_registration_t *rp;
248 rp = vl_api_client_index_to_registration (mp->client_index);
252 clib_warning ("Client %d AWOL", mp->client_index);
256 u8 *filter = 0, *name = 0;
257 if (mp->name_filter_valid)
259 mp->name_filter[ARRAY_LEN (mp->name_filter) - 1] = 0;
260 filter = format (0, "%s%c", mp->name_filter, 0);
263 char *strcasestr (char *, char *); /* lnx hdr file botch */
265 pool_foreach (swif, im->sw_interfaces,
267 if (!vnet_swif_is_api_visible (swif))
269 vec_reset_length(name);
270 name = format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
273 if (filter && !strcasestr((char *) name, (char *) filter))
276 send_sw_interface_details (am, rp, swif, name, mp->context);
285 vl_api_sw_interface_add_del_address_t_handler
286 (vl_api_sw_interface_add_del_address_t * mp)
288 vlib_main_t *vm = vlib_get_main ();
289 vnet_main_t *vnm = vnet_get_main ();
290 vl_api_sw_interface_add_del_address_reply_t *rmp;
293 clib_error_t *error = 0;
295 VALIDATE_SW_IF_INDEX (mp);
297 is_del = mp->is_add == 0;
301 ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
302 else if (mp->is_ipv6)
303 error = ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
304 (void *) mp->address,
305 mp->address_length, is_del);
307 error = ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
308 (void *) mp->address,
309 mp->address_length, is_del);
314 clib_error_report (error);
318 BAD_SW_IF_INDEX_LABEL;
321 REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
324 void stats_dslock_with_hint (int hint, int tag) __attribute__ ((weak));
326 stats_dslock_with_hint (int hint, int tag)
330 void stats_dsunlock (void) __attribute__ ((weak));
332 stats_dsunlock (void)
337 vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
339 vl_api_sw_interface_set_table_reply_t *rmp;
340 u32 sw_if_index = ntohl (mp->sw_if_index);
341 u32 table_id = ntohl (mp->vrf_id);
344 VALIDATE_SW_IF_INDEX (mp);
346 stats_dslock_with_hint (1 /* release hint */ , 4 /* tag */ );
349 rv = ip_table_bind (FIB_PROTOCOL_IP6, sw_if_index, table_id, 1);
351 rv = ip_table_bind (FIB_PROTOCOL_IP4, sw_if_index, table_id, 1);
355 BAD_SW_IF_INDEX_LABEL;
357 REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
361 ip_table_bind (fib_protocol_t fproto,
362 u32 sw_if_index, u32 table_id, u8 is_api)
364 CLIB_UNUSED (ip_interface_address_t * ia);
365 u32 fib_index, mfib_index;
371 src = FIB_SOURCE_API;
372 msrc = MFIB_SOURCE_API;
376 src = FIB_SOURCE_CLI;
377 msrc = MFIB_SOURCE_CLI;
381 * This is temporary whilst I do the song and dance with the CSIT version
385 fib_index = fib_table_find_or_create_and_lock (fproto, table_id, src);
387 mfib_table_find_or_create_and_lock (fproto, table_id, msrc);
396 * This if table does not exist = error is what we want in the end.
398 /* fib_index = fib_table_find (fproto, table_id); */
399 /* mfib_index = mfib_table_find (fproto, table_id); */
401 /* if (~0 == fib_index || ~0 == mfib_index) */
403 /* return (VNET_API_ERROR_NO_SUCH_FIB); */
406 if (FIB_PROTOCOL_IP6 == fproto)
409 * If the interface already has in IP address, then a change int
410 * VRF is not allowed. The IP address applied must first be removed.
411 * We do not do that automatically here, since VPP has no knowledge
412 * of whether thoses subnets are valid in the destination VRF.
415 foreach_ip_interface_address (&ip6_main.lookup_main,
417 1 /* honor unnumbered */ ,
419 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
423 vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
424 vec_validate (ip6_main.mfib_index_by_sw_if_index, sw_if_index);
427 * tell those that are interested that the binding is changing.
429 ip6_table_bind_callback_t *cb;
430 vec_foreach (cb, ip6_main.table_bind_callbacks)
431 cb->function (&ip6_main, cb->function_opaque,
434 ip6_main.fib_index_by_sw_if_index[sw_if_index]);
438 /* reset back to default */
439 if (0 != ip6_main.fib_index_by_sw_if_index[sw_if_index])
440 fib_table_unlock (ip6_main.fib_index_by_sw_if_index[sw_if_index],
441 FIB_PROTOCOL_IP6, src);
442 if (0 != ip6_main.mfib_index_by_sw_if_index[sw_if_index])
443 mfib_table_unlock (ip6_main.mfib_index_by_sw_if_index
444 [sw_if_index], FIB_PROTOCOL_IP6, msrc);
449 /* we need to lock the table now it's inuse */
450 fib_table_lock (fib_index, FIB_PROTOCOL_IP6, src);
451 mfib_table_lock (mfib_index, FIB_PROTOCOL_IP6, msrc);
454 ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
455 ip6_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
460 * If the interface already has in IP address, then a change int
461 * VRF is not allowed. The IP address applied must first be removed.
462 * We do not do that automatically here, since VPP has no knowledge
463 * of whether thoses subnets are valid in the destination VRF.
466 foreach_ip_interface_address (&ip4_main.lookup_main,
468 1 /* honor unnumbered */ ,
470 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
474 vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
475 vec_validate (ip4_main.mfib_index_by_sw_if_index, sw_if_index);
478 * tell those that are interested that the binding is changing.
480 ip4_table_bind_callback_t *cb;
481 vec_foreach (cb, ip4_main.table_bind_callbacks)
482 cb->function (&ip4_main, cb->function_opaque,
485 ip4_main.fib_index_by_sw_if_index[sw_if_index]);
489 /* reset back to default */
490 if (0 != ip4_main.fib_index_by_sw_if_index[sw_if_index])
491 fib_table_unlock (ip4_main.fib_index_by_sw_if_index[sw_if_index],
492 FIB_PROTOCOL_IP4, src);
493 if (0 != ip4_main.mfib_index_by_sw_if_index[sw_if_index])
494 mfib_table_unlock (ip4_main.mfib_index_by_sw_if_index
495 [sw_if_index], FIB_PROTOCOL_IP4, msrc);
500 /* we need to lock the table now it's inuse */
501 fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
504 mfib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
508 ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
509 ip4_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
513 * Temporary. undo the locks from the find and create at the staart
517 fib_table_unlock (fib_index, fproto, src);
518 mfib_table_unlock (mfib_index, fproto, msrc);
525 send_sw_interface_get_table_reply (unix_shared_memory_queue_t * q,
526 u32 context, int retval, u32 vrf_id)
528 vl_api_sw_interface_get_table_reply_t *mp;
530 mp = vl_msg_api_alloc (sizeof (*mp));
531 memset (mp, 0, sizeof (*mp));
532 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
533 mp->context = context;
534 mp->retval = htonl (retval);
535 mp->vrf_id = htonl (vrf_id);
537 vl_msg_api_send_shmem (q, (u8 *) & mp);
541 vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
543 unix_shared_memory_queue_t *q;
544 fib_table_t *fib_table = 0;
545 u32 sw_if_index = ~0;
548 fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
551 q = vl_api_client_index_to_input_queue (mp->client_index);
555 VALIDATE_SW_IF_INDEX (mp);
557 sw_if_index = ntohl (mp->sw_if_index);
560 fib_proto = FIB_PROTOCOL_IP6;
562 fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
565 fib_table = fib_table_get (fib_index, fib_proto);
566 table_id = fib_table->ft_table_id;
569 BAD_SW_IF_INDEX_LABEL;
571 send_sw_interface_get_table_reply (q, mp->context, rv, table_id);
574 static void vl_api_sw_interface_set_unnumbered_t_handler
575 (vl_api_sw_interface_set_unnumbered_t * mp)
577 vl_api_sw_interface_set_unnumbered_reply_t *rmp;
579 vnet_main_t *vnm = vnet_get_main ();
580 u32 sw_if_index = ntohl (mp->sw_if_index);
581 u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
585 * The API message field names are backwards from
586 * the underlying data structure names.
587 * It's not worth changing them now.
589 if (!vnet_sw_interface_is_api_valid (vnm, unnumbered_sw_if_index))
591 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
595 /* Only check the "use loop0" field when setting the binding */
596 if (mp->is_add && !vnet_sw_interface_is_api_valid (vnm, sw_if_index))
598 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
602 vnet_sw_interface_t *si =
603 vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
604 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
608 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
609 si->unnumbered_sw_if_index = sw_if_index;
611 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
612 [unnumbered_sw_if_index] =
614 lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index];
616 lookup_main.if_address_pool_index_by_sw_if_index
617 [unnumbered_sw_if_index] =
619 lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index];
623 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
624 si->unnumbered_sw_if_index = (u32) ~ 0;
626 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
627 [unnumbered_sw_if_index] = ~0;
628 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
629 [unnumbered_sw_if_index] = ~0;
632 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
634 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add);
635 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add);
639 REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
643 vl_api_sw_interface_clear_stats_t_handler (vl_api_sw_interface_clear_stats_t *
646 vl_api_sw_interface_clear_stats_reply_t *rmp;
648 vnet_main_t *vnm = vnet_get_main ();
649 vnet_interface_main_t *im = &vnm->interface_main;
650 vlib_simple_counter_main_t *sm;
651 vlib_combined_counter_main_t *cm;
652 static vnet_main_t **my_vnet_mains;
653 int i, j, n_counters;
656 if (mp->sw_if_index != ~0)
657 VALIDATE_SW_IF_INDEX (mp);
659 vec_reset_length (my_vnet_mains);
661 for (i = 0; i < vec_len (vnet_mains); i++)
664 vec_add1 (my_vnet_mains, vnet_mains[i]);
667 if (vec_len (vnet_mains) == 0)
668 vec_add1 (my_vnet_mains, vnm);
670 n_counters = vec_len (im->combined_sw_if_counters);
672 for (j = 0; j < n_counters; j++)
674 for (i = 0; i < vec_len (my_vnet_mains); i++)
676 im = &my_vnet_mains[i]->interface_main;
677 cm = im->combined_sw_if_counters + j;
678 if (mp->sw_if_index == (u32) ~ 0)
679 vlib_clear_combined_counters (cm);
681 vlib_zero_combined_counter (cm, ntohl (mp->sw_if_index));
685 n_counters = vec_len (im->sw_if_counters);
687 for (j = 0; j < n_counters; j++)
689 for (i = 0; i < vec_len (my_vnet_mains); i++)
691 im = &my_vnet_mains[i]->interface_main;
692 sm = im->sw_if_counters + j;
693 if (mp->sw_if_index == (u32) ~ 0)
694 vlib_clear_simple_counters (sm);
696 vlib_zero_simple_counter (sm, ntohl (mp->sw_if_index));
700 BAD_SW_IF_INDEX_LABEL;
702 REPLY_MACRO (VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
705 #define API_LINK_STATE_EVENT 1
706 #define API_ADMIN_UP_DOWN_EVENT 2
709 event_data_cmp (void *a1, void *a2)
714 return (word) e1[0] - (word) e2[0];
718 send_sw_interface_event (vpe_api_main_t * am,
719 vpe_client_registration_t * reg,
720 unix_shared_memory_queue_t * q,
721 vnet_sw_interface_t * swif)
723 vl_api_sw_interface_event_t *mp;
724 vnet_main_t *vnm = am->vnet_main;
726 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
728 mp = vl_msg_api_alloc (sizeof (*mp));
729 memset (mp, 0, sizeof (*mp));
730 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
731 mp->sw_if_index = ntohl (swif->sw_if_index);
732 mp->client_index = reg->client_index;
733 mp->pid = reg->client_pid;
735 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
736 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
737 vl_msg_api_send_shmem (q, (u8 *) & mp);
741 link_state_process (vlib_main_t * vm,
742 vlib_node_runtime_t * rt, vlib_frame_t * f)
744 vpe_api_main_t *vam = &vpe_api_main;
745 vnet_main_t *vnm = vam->vnet_main;
746 vnet_sw_interface_t *swif;
747 uword *event_data = 0;
748 vpe_client_registration_t *reg;
750 u32 prev_sw_if_index;
751 unix_shared_memory_queue_t *q;
753 vam->link_state_process_up = 1;
757 vlib_process_wait_for_event (vm);
759 /* Unified list of changed link or admin state sw_if_indices */
760 vlib_process_get_events_with_type
761 (vm, &event_data, API_LINK_STATE_EVENT);
762 vlib_process_get_events_with_type
763 (vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
765 /* Sort, so we can eliminate duplicates */
766 vec_sort_with_function (event_data, event_data_cmp);
768 prev_sw_if_index = ~0;
770 for (i = 0; i < vec_len (event_data); i++)
772 /* Only one message per swif */
773 if (prev_sw_if_index == event_data[i])
775 prev_sw_if_index = event_data[i];
778 pool_foreach(reg, vam->interface_events_registrations,
780 q = vl_api_client_index_to_input_queue (reg->client_index);
783 /* sw_interface may be deleted already */
784 if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
787 swif = vnet_get_sw_interface (vnm, event_data[i]);
788 send_sw_interface_event (vam, reg, q, swif);
794 vec_reset_length (event_data);
800 static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
802 static clib_error_t *admin_up_down_function (vnet_main_t * vm,
803 u32 hw_if_index, u32 flags);
806 VLIB_REGISTER_NODE (link_state_process_node,static) = {
807 .function = link_state_process,
808 .type = VLIB_NODE_TYPE_PROCESS,
809 .name = "vpe-link-state-process",
813 VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
814 VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
816 static clib_error_t *
817 link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
819 vpe_api_main_t *vam = &vpe_api_main;
820 vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
822 if (vam->link_state_process_up)
823 vlib_process_signal_event (vam->vlib_main,
824 link_state_process_node.index,
825 API_LINK_STATE_EVENT, hi->sw_if_index);
829 static clib_error_t *
830 admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
832 vpe_api_main_t *vam = &vpe_api_main;
835 * Note: it's perfectly fair to set a subif admin up / admin down.
836 * Note the subtle distinction between this routine and the previous
839 if (vam->link_state_process_up)
840 vlib_process_signal_event (vam->vlib_main,
841 link_state_process_node.index,
842 API_ADMIN_UP_DOWN_EVENT, sw_if_index);
846 static void vl_api_sw_interface_tag_add_del_t_handler
847 (vl_api_sw_interface_tag_add_del_t * mp)
849 vnet_main_t *vnm = vnet_get_main ();
850 vl_api_sw_interface_tag_add_del_reply_t *rmp;
853 u32 sw_if_index = ntohl (mp->sw_if_index);
855 VALIDATE_SW_IF_INDEX (mp);
861 rv = VNET_API_ERROR_INVALID_VALUE;
865 mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
866 tag = format (0, "%s%c", mp->tag, 0);
867 vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
870 vnet_clear_sw_interface_tag (vnm, sw_if_index);
872 BAD_SW_IF_INDEX_LABEL;
874 REPLY_MACRO (VL_API_SW_INTERFACE_TAG_ADD_DEL_REPLY);
877 static void vl_api_sw_interface_set_mac_address_t_handler
878 (vl_api_sw_interface_set_mac_address_t * mp)
880 vl_api_sw_interface_set_mac_address_reply_t *rmp;
881 vnet_main_t *vnm = vnet_get_main ();
882 u32 sw_if_index = ntohl (mp->sw_if_index);
883 vnet_sw_interface_t *si;
887 VALIDATE_SW_IF_INDEX (mp);
889 si = vnet_get_sw_interface (vnm, sw_if_index);
890 error = vnet_hw_interface_change_mac_address (vnm, si->hw_if_index,
894 rv = VNET_API_ERROR_UNIMPLEMENTED;
895 clib_error_report (error);
899 BAD_SW_IF_INDEX_LABEL;
901 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MAC_ADDRESS_REPLY);
904 static void vl_api_sw_interface_set_rx_mode_t_handler
905 (vl_api_sw_interface_set_rx_mode_t * mp)
907 vl_api_sw_interface_set_rx_mode_reply_t *rmp;
908 vnet_main_t *vnm = vnet_get_main ();
909 u32 sw_if_index = ntohl (mp->sw_if_index);
910 vnet_sw_interface_t *si;
914 VALIDATE_SW_IF_INDEX (mp);
916 si = vnet_get_sw_interface (vnm, sw_if_index);
917 error = set_hw_interface_change_rx_mode (vnm, si->hw_if_index,
919 ntohl (mp->queue_id), mp->mode);
922 rv = VNET_API_ERROR_UNIMPLEMENTED;
923 clib_error_report (error);
927 BAD_SW_IF_INDEX_LABEL;
929 REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_MODE_REPLY);
934 * Add vpe's API message handlers to the table.
935 * vlib has alread mapped shared memory and
936 * added the client registration handlers.
937 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
939 #define vl_msg_name_crc_list
940 #include <vnet/interface.api.h>
941 #undef vl_msg_name_crc_list
944 setup_message_id_table (api_main_t * am)
946 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
947 foreach_vl_msg_name_crc_interface;
951 pub_sub_handler (interface_events, INTERFACE_EVENTS);
953 static clib_error_t *
954 interface_api_hookup (vlib_main_t * vm)
956 api_main_t *am = &api_main;
959 vl_msg_api_set_handlers(VL_API_##N, #n, \
960 vl_api_##n##_t_handler, \
962 vl_api_##n##_t_endian, \
963 vl_api_##n##_t_print, \
964 sizeof(vl_api_##n##_t), 1);
969 * Set up the (msg_name, crc, message-id) table
971 setup_message_id_table (am);
976 VLIB_API_INIT_FUNCTION (interface_api_hookup);
979 * fd.io coding-style-patch-verification: ON
982 * eval: (c-set-style "gnu")