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) \
62 _(SW_INTERFACE_SET_MAC_ADDRESS, sw_interface_set_mac_address)
65 vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
67 vl_api_sw_interface_set_flags_reply_t *rmp;
68 vnet_main_t *vnm = vnet_get_main ();
73 VALIDATE_SW_IF_INDEX (mp);
75 flags = mp->admin_up_down ? VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
77 error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
81 clib_error_report (error);
84 BAD_SW_IF_INDEX_LABEL;
85 REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
89 vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
91 vl_api_sw_interface_set_mtu_reply_t *rmp;
92 vnet_main_t *vnm = vnet_get_main ();
93 u32 flags = ETHERNET_INTERFACE_FLAG_MTU;
94 u32 sw_if_index = ntohl (mp->sw_if_index);
95 u16 mtu = ntohs (mp->mtu);
96 ethernet_main_t *em = ðernet_main;
99 VALIDATE_SW_IF_INDEX (mp);
101 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
102 if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
104 rv = VNET_API_ERROR_INVALID_VALUE;
105 goto bad_sw_if_index;
108 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, si->hw_if_index);
109 ethernet_interface_t *eif = ethernet_get_interface (em, si->hw_if_index);
113 rv = VNET_API_ERROR_FEATURE_DISABLED;
114 goto bad_sw_if_index;
117 if (mtu < hi->min_supported_packet_bytes)
119 rv = VNET_API_ERROR_INVALID_VALUE;
120 goto bad_sw_if_index;
123 if (mtu > hi->max_supported_packet_bytes)
125 rv = VNET_API_ERROR_INVALID_VALUE;
126 goto bad_sw_if_index;
129 if (hi->max_packet_bytes != mtu)
131 hi->max_packet_bytes = mtu;
132 ethernet_set_flags (vnm, si->hw_if_index, flags);
135 BAD_SW_IF_INDEX_LABEL;
136 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
140 send_sw_interface_details (vpe_api_main_t * am,
141 vl_api_registration_t * rp,
142 vnet_sw_interface_t * swif,
143 u8 * interface_name, u32 context)
145 vnet_hw_interface_t *hi =
146 vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
148 vl_api_sw_interface_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
149 memset (mp, 0, sizeof (*mp));
150 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
151 mp->sw_if_index = ntohl (swif->sw_if_index);
152 mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
153 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
154 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
155 mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
156 VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
157 mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >>
158 VNET_HW_INTERFACE_FLAG_SPEED_SHIFT);
159 mp->link_mtu = ntohs (hi->max_packet_bytes);
160 mp->context = context;
162 strncpy ((char *) mp->interface_name,
163 (char *) interface_name, ARRAY_LEN (mp->interface_name) - 1);
165 /* Send the L2 address for ethernet physical intfcs */
166 if (swif->sup_sw_if_index == swif->sw_if_index
167 && hi->hw_class_index == ethernet_hw_interface_class.index)
169 ethernet_main_t *em = ethernet_get_main (am->vlib_main);
170 ethernet_interface_t *ei;
172 ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
173 ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
174 clib_memcpy (mp->l2_address, ei->address, sizeof (ei->address));
175 mp->l2_address_length = ntohl (sizeof (ei->address));
177 else if (swif->sup_sw_if_index != swif->sw_if_index)
179 vnet_sub_interface_t *sub = &swif->sub;
180 mp->sub_id = ntohl (sub->id);
181 mp->sub_dot1ad = sub->eth.flags.dot1ad;
182 mp->sub_number_of_tags =
183 sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
184 mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
185 mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
186 mp->sub_exact_match = sub->eth.flags.exact_match;
187 mp->sub_default = sub->eth.flags.default_sub;
188 mp->sub_outer_vlan_id_any = sub->eth.flags.outer_vlan_id_any;
189 mp->sub_inner_vlan_id_any = sub->eth.flags.inner_vlan_id_any;
191 /* vlan tag rewrite data */
192 u32 vtr_op = L2_VTR_DISABLED;
193 u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
195 if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
196 &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
198 // error - default to disabled
199 mp->vtr_op = ntohl (L2_VTR_DISABLED);
200 clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
205 mp->vtr_op = ntohl (vtr_op);
206 mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
207 mp->vtr_tag1 = ntohl (vtr_tag1);
208 mp->vtr_tag2 = ntohl (vtr_tag2);
212 /* pbb tag rewrite data */
213 ethernet_header_t eth_hdr;
214 u32 vtr_op = L2_VTR_DISABLED;
218 memset (ð_hdr, 0, sizeof (eth_hdr));
220 if (!l2pbb_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
221 &vtr_op, &outer_tag, ð_hdr, &b_vlanid, &i_sid))
224 clib_memcpy (mp->b_dmac, eth_hdr.dst_address,
225 sizeof (eth_hdr.dst_address));
226 clib_memcpy (mp->b_smac, eth_hdr.src_address,
227 sizeof (eth_hdr.src_address));
228 mp->b_vlanid = b_vlanid;
232 u8 *tag = vnet_get_sw_interface_tag (vnet_get_main (), swif->sw_if_index);
234 strncpy ((char *) mp->tag, (char *) tag, ARRAY_LEN (mp->tag) - 1);
236 vl_msg_api_send (rp, (u8 *) mp);
240 vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
242 vpe_api_main_t *am = &vpe_api_main;
243 vnet_sw_interface_t *swif;
244 vnet_interface_main_t *im = &am->vnet_main->interface_main;
245 vl_api_registration_t *rp;
247 rp = vl_api_client_index_to_registration (mp->client_index);
251 clib_warning ("Client %d AWOL", mp->client_index);
255 u8 *filter = 0, *name = 0;
256 if (mp->name_filter_valid)
258 mp->name_filter[ARRAY_LEN (mp->name_filter) - 1] = 0;
259 filter = format (0, "%s%c", mp->name_filter, 0);
262 char *strcasestr (char *, char *); /* lnx hdr file botch */
264 pool_foreach (swif, im->sw_interfaces,
266 if (!vnet_swif_is_api_visible (swif))
268 vec_reset_length(name);
269 name = format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
272 if (filter && !strcasestr((char *) name, (char *) filter))
275 send_sw_interface_details (am, rp, swif, name, mp->context);
284 vl_api_sw_interface_add_del_address_t_handler
285 (vl_api_sw_interface_add_del_address_t * mp)
287 vlib_main_t *vm = vlib_get_main ();
288 vnet_main_t *vnm = vnet_get_main ();
289 vl_api_sw_interface_add_del_address_reply_t *rmp;
292 clib_error_t *error = 0;
294 VALIDATE_SW_IF_INDEX (mp);
296 is_del = mp->is_add == 0;
300 ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
301 else if (mp->is_ipv6)
302 error = ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
303 (void *) mp->address,
304 mp->address_length, is_del);
306 error = ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
307 (void *) mp->address,
308 mp->address_length, is_del);
313 clib_error_report (error);
317 BAD_SW_IF_INDEX_LABEL;
320 REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
323 void stats_dslock_with_hint (int hint, int tag) __attribute__ ((weak));
325 stats_dslock_with_hint (int hint, int tag)
329 void stats_dsunlock (void) __attribute__ ((weak));
331 stats_dsunlock (void)
336 vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
338 vl_api_sw_interface_set_table_reply_t *rmp;
339 u32 sw_if_index = ntohl (mp->sw_if_index);
340 u32 table_id = ntohl (mp->vrf_id);
343 VALIDATE_SW_IF_INDEX (mp);
345 stats_dslock_with_hint (1 /* release hint */ , 4 /* tag */ );
348 rv = ip_table_bind (FIB_PROTOCOL_IP6, sw_if_index, table_id, 1);
350 rv = ip_table_bind (FIB_PROTOCOL_IP4, sw_if_index, table_id, 1);
354 BAD_SW_IF_INDEX_LABEL;
356 REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
360 ip_table_bind (fib_protocol_t fproto,
361 u32 sw_if_index, u32 table_id, u8 is_api)
363 CLIB_UNUSED (ip_interface_address_t * ia);
364 u32 fib_index, mfib_index;
368 fib_index = fib_table_find (fproto, table_id);
369 mfib_index = mfib_table_find (fproto, table_id);
371 if (~0 == fib_index || ~0 == mfib_index)
373 return (VNET_API_ERROR_NO_SUCH_FIB);
378 src = FIB_SOURCE_API;
379 msrc = MFIB_SOURCE_API;
383 src = FIB_SOURCE_CLI;
384 msrc = MFIB_SOURCE_CLI;
387 if (FIB_PROTOCOL_IP6 == fproto)
390 * If the interface already has in IP address, then a change int
391 * VRF is not allowed. The IP address applied must first be removed.
392 * We do not do that automatically here, since VPP has no knowledge
393 * of whether thoses subnets are valid in the destination VRF.
396 foreach_ip_interface_address (&ip6_main.lookup_main,
398 1 /* honor unnumbered */ ,
400 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
404 vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
405 vec_validate (ip6_main.mfib_index_by_sw_if_index, sw_if_index);
408 * tell those that are interested that the binding is changing.
410 ip6_table_bind_callback_t *cb;
411 vec_foreach (cb, ip6_main.table_bind_callbacks)
412 cb->function (&ip6_main, cb->function_opaque,
415 ip6_main.fib_index_by_sw_if_index[sw_if_index]);
419 /* reset back to default */
420 if (0 != ip6_main.fib_index_by_sw_if_index[sw_if_index])
421 fib_table_unlock (ip6_main.fib_index_by_sw_if_index[sw_if_index],
422 FIB_PROTOCOL_IP6, src);
423 if (0 != ip6_main.mfib_index_by_sw_if_index[sw_if_index])
424 mfib_table_unlock (ip6_main.mfib_index_by_sw_if_index
425 [sw_if_index], FIB_PROTOCOL_IP6, msrc);
430 /* we need to lock the table now it's inuse */
431 fib_table_lock (fib_index, FIB_PROTOCOL_IP6, src);
432 mfib_table_lock (mfib_index, FIB_PROTOCOL_IP6, msrc);
435 ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
436 ip6_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
441 * If the interface already has in IP address, then a change int
442 * VRF is not allowed. The IP address applied must first be removed.
443 * We do not do that automatically here, since VPP has no knowledge
444 * of whether thoses subnets are valid in the destination VRF.
447 foreach_ip_interface_address (&ip4_main.lookup_main,
449 1 /* honor unnumbered */ ,
451 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
455 vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
456 vec_validate (ip4_main.mfib_index_by_sw_if_index, sw_if_index);
459 * tell those that are interested that the binding is changing.
461 ip4_table_bind_callback_t *cb;
462 vec_foreach (cb, ip4_main.table_bind_callbacks)
463 cb->function (&ip4_main, cb->function_opaque,
466 ip4_main.fib_index_by_sw_if_index[sw_if_index]);
470 /* reset back to default */
471 if (0 != ip4_main.fib_index_by_sw_if_index[sw_if_index])
472 fib_table_unlock (ip4_main.fib_index_by_sw_if_index[sw_if_index],
473 FIB_PROTOCOL_IP4, src);
474 if (0 != ip4_main.mfib_index_by_sw_if_index[sw_if_index])
475 mfib_table_unlock (ip4_main.mfib_index_by_sw_if_index
476 [sw_if_index], FIB_PROTOCOL_IP4, msrc);
481 /* we need to lock the table now it's inuse */
482 fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
485 mfib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
489 ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
490 ip4_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
497 send_sw_interface_get_table_reply (unix_shared_memory_queue_t * q,
498 u32 context, int retval, u32 vrf_id)
500 vl_api_sw_interface_get_table_reply_t *mp;
502 mp = vl_msg_api_alloc (sizeof (*mp));
503 memset (mp, 0, sizeof (*mp));
504 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
505 mp->context = context;
506 mp->retval = htonl (retval);
507 mp->vrf_id = htonl (vrf_id);
509 vl_msg_api_send_shmem (q, (u8 *) & mp);
513 vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
515 unix_shared_memory_queue_t *q;
516 fib_table_t *fib_table = 0;
517 u32 sw_if_index = ~0;
520 fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
523 q = vl_api_client_index_to_input_queue (mp->client_index);
527 VALIDATE_SW_IF_INDEX (mp);
529 sw_if_index = ntohl (mp->sw_if_index);
532 fib_proto = FIB_PROTOCOL_IP6;
534 fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
537 fib_table = fib_table_get (fib_index, fib_proto);
538 table_id = fib_table->ft_table_id;
541 BAD_SW_IF_INDEX_LABEL;
543 send_sw_interface_get_table_reply (q, mp->context, rv, table_id);
546 static void vl_api_sw_interface_set_unnumbered_t_handler
547 (vl_api_sw_interface_set_unnumbered_t * mp)
549 vl_api_sw_interface_set_unnumbered_reply_t *rmp;
551 vnet_main_t *vnm = vnet_get_main ();
552 u32 sw_if_index = ntohl (mp->sw_if_index);
553 u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
557 * The API message field names are backwards from
558 * the underlying data structure names.
559 * It's not worth changing them now.
561 if (!vnet_sw_interface_is_api_valid (vnm, unnumbered_sw_if_index))
563 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
567 /* Only check the "use loop0" field when setting the binding */
568 if (mp->is_add && !vnet_sw_interface_is_api_valid (vnm, sw_if_index))
570 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
574 vnet_sw_interface_t *si =
575 vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
576 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
580 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
581 si->unnumbered_sw_if_index = sw_if_index;
583 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
584 [unnumbered_sw_if_index] =
586 lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index];
588 lookup_main.if_address_pool_index_by_sw_if_index
589 [unnumbered_sw_if_index] =
591 lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index];
595 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
596 si->unnumbered_sw_if_index = (u32) ~ 0;
598 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
599 [unnumbered_sw_if_index] = ~0;
600 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
601 [unnumbered_sw_if_index] = ~0;
604 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
606 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add);
607 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add);
611 REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
615 vl_api_sw_interface_clear_stats_t_handler (vl_api_sw_interface_clear_stats_t *
618 vl_api_sw_interface_clear_stats_reply_t *rmp;
620 vnet_main_t *vnm = vnet_get_main ();
621 vnet_interface_main_t *im = &vnm->interface_main;
622 vlib_simple_counter_main_t *sm;
623 vlib_combined_counter_main_t *cm;
624 static vnet_main_t **my_vnet_mains;
625 int i, j, n_counters;
628 if (mp->sw_if_index != ~0)
629 VALIDATE_SW_IF_INDEX (mp);
631 vec_reset_length (my_vnet_mains);
633 for (i = 0; i < vec_len (vnet_mains); i++)
636 vec_add1 (my_vnet_mains, vnet_mains[i]);
639 if (vec_len (vnet_mains) == 0)
640 vec_add1 (my_vnet_mains, vnm);
642 n_counters = vec_len (im->combined_sw_if_counters);
644 for (j = 0; j < n_counters; j++)
646 for (i = 0; i < vec_len (my_vnet_mains); i++)
648 im = &my_vnet_mains[i]->interface_main;
649 cm = im->combined_sw_if_counters + j;
650 if (mp->sw_if_index == (u32) ~ 0)
651 vlib_clear_combined_counters (cm);
653 vlib_zero_combined_counter (cm, ntohl (mp->sw_if_index));
657 n_counters = vec_len (im->sw_if_counters);
659 for (j = 0; j < n_counters; j++)
661 for (i = 0; i < vec_len (my_vnet_mains); i++)
663 im = &my_vnet_mains[i]->interface_main;
664 sm = im->sw_if_counters + j;
665 if (mp->sw_if_index == (u32) ~ 0)
666 vlib_clear_simple_counters (sm);
668 vlib_zero_simple_counter (sm, ntohl (mp->sw_if_index));
672 BAD_SW_IF_INDEX_LABEL;
674 REPLY_MACRO (VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
677 #define API_LINK_STATE_EVENT 1
678 #define API_ADMIN_UP_DOWN_EVENT 2
681 event_data_cmp (void *a1, void *a2)
686 return (word) e1[0] - (word) e2[0];
690 send_sw_interface_event (vpe_api_main_t * am,
691 vpe_client_registration_t * reg,
692 unix_shared_memory_queue_t * q,
693 vnet_sw_interface_t * swif)
695 vl_api_sw_interface_event_t *mp;
696 vnet_main_t *vnm = am->vnet_main;
698 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
700 mp = vl_msg_api_alloc (sizeof (*mp));
701 memset (mp, 0, sizeof (*mp));
702 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
703 mp->sw_if_index = ntohl (swif->sw_if_index);
704 mp->client_index = reg->client_index;
705 mp->pid = reg->client_pid;
707 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
708 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
709 vl_msg_api_send_shmem (q, (u8 *) & mp);
713 link_state_process (vlib_main_t * vm,
714 vlib_node_runtime_t * rt, vlib_frame_t * f)
716 vpe_api_main_t *vam = &vpe_api_main;
717 vnet_main_t *vnm = vam->vnet_main;
718 vnet_sw_interface_t *swif;
719 uword *event_data = 0;
720 vpe_client_registration_t *reg;
722 u32 prev_sw_if_index;
723 unix_shared_memory_queue_t *q;
725 vam->link_state_process_up = 1;
729 vlib_process_wait_for_event (vm);
731 /* Unified list of changed link or admin state sw_if_indices */
732 vlib_process_get_events_with_type
733 (vm, &event_data, API_LINK_STATE_EVENT);
734 vlib_process_get_events_with_type
735 (vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
737 /* Sort, so we can eliminate duplicates */
738 vec_sort_with_function (event_data, event_data_cmp);
740 prev_sw_if_index = ~0;
742 for (i = 0; i < vec_len (event_data); i++)
744 /* Only one message per swif */
745 if (prev_sw_if_index == event_data[i])
747 prev_sw_if_index = event_data[i];
750 pool_foreach(reg, vam->interface_events_registrations,
752 q = vl_api_client_index_to_input_queue (reg->client_index);
755 /* sw_interface may be deleted already */
756 if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
759 swif = vnet_get_sw_interface (vnm, event_data[i]);
760 send_sw_interface_event (vam, reg, q, swif);
766 vec_reset_length (event_data);
772 static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
774 static clib_error_t *admin_up_down_function (vnet_main_t * vm,
775 u32 hw_if_index, u32 flags);
778 VLIB_REGISTER_NODE (link_state_process_node,static) = {
779 .function = link_state_process,
780 .type = VLIB_NODE_TYPE_PROCESS,
781 .name = "vpe-link-state-process",
785 VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
786 VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
788 static clib_error_t *
789 link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
791 vpe_api_main_t *vam = &vpe_api_main;
792 vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
794 if (vam->link_state_process_up)
795 vlib_process_signal_event (vam->vlib_main,
796 link_state_process_node.index,
797 API_LINK_STATE_EVENT, hi->sw_if_index);
801 static clib_error_t *
802 admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
804 vpe_api_main_t *vam = &vpe_api_main;
807 * Note: it's perfectly fair to set a subif admin up / admin down.
808 * Note the subtle distinction between this routine and the previous
811 if (vam->link_state_process_up)
812 vlib_process_signal_event (vam->vlib_main,
813 link_state_process_node.index,
814 API_ADMIN_UP_DOWN_EVENT, sw_if_index);
818 static void vl_api_sw_interface_tag_add_del_t_handler
819 (vl_api_sw_interface_tag_add_del_t * mp)
821 vnet_main_t *vnm = vnet_get_main ();
822 vl_api_sw_interface_tag_add_del_reply_t *rmp;
825 u32 sw_if_index = ntohl (mp->sw_if_index);
827 VALIDATE_SW_IF_INDEX (mp);
833 rv = VNET_API_ERROR_INVALID_VALUE;
837 mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
838 tag = format (0, "%s%c", mp->tag, 0);
839 vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
842 vnet_clear_sw_interface_tag (vnm, sw_if_index);
844 BAD_SW_IF_INDEX_LABEL;
846 REPLY_MACRO (VL_API_SW_INTERFACE_TAG_ADD_DEL_REPLY);
849 static void vl_api_sw_interface_set_mac_address_t_handler
850 (vl_api_sw_interface_set_mac_address_t * mp)
852 vl_api_sw_interface_set_mac_address_reply_t *rmp;
853 vnet_main_t *vnm = vnet_get_main ();
854 u32 sw_if_index = ntohl (mp->sw_if_index);
855 vnet_sw_interface_t *si;
860 VALIDATE_SW_IF_INDEX (mp);
862 mac = ((u64) mp->mac_address[0] << (8 * 0)
863 | (u64) mp->mac_address[1] << (8 * 1)
864 | (u64) mp->mac_address[2] << (8 * 2)
865 | (u64) mp->mac_address[3] << (8 * 3)
866 | (u64) mp->mac_address[4] << (8 * 4)
867 | (u64) mp->mac_address[5] << (8 * 5));
869 si = vnet_get_sw_interface (vnm, sw_if_index);
870 error = vnet_hw_interface_change_mac_address (vnm, si->hw_if_index, mac);
873 rv = VNET_API_ERROR_UNIMPLEMENTED;
874 clib_error_report (error);
878 BAD_SW_IF_INDEX_LABEL;
880 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MAC_ADDRESS_REPLY);
885 * Add vpe's API message handlers to the table.
886 * vlib has alread mapped shared memory and
887 * added the client registration handlers.
888 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
890 #define vl_msg_name_crc_list
891 #include <vnet/interface.api.h>
892 #undef vl_msg_name_crc_list
895 setup_message_id_table (api_main_t * am)
897 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
898 foreach_vl_msg_name_crc_interface;
902 pub_sub_handler (interface_events, INTERFACE_EVENTS);
904 static clib_error_t *
905 interface_api_hookup (vlib_main_t * vm)
907 api_main_t *am = &api_main;
910 vl_msg_api_set_handlers(VL_API_##N, #n, \
911 vl_api_##n##_t_handler, \
913 vl_api_##n##_t_endian, \
914 vl_api_##n##_t_print, \
915 sizeof(vl_api_##n##_t), 1);
920 * Set up the (msg_name, crc, message-id) table
922 setup_message_id_table (am);
927 VLIB_API_INIT_FUNCTION (interface_api_hookup);
930 * fd.io coding-style-patch-verification: ON
933 * eval: (c-set-style "gnu")