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 _(HW_INTERFACE_SET_MTU, hw_interface_set_mtu) \
54 _(SW_INTERFACE_SET_MTU, sw_interface_set_mtu) \
55 _(WANT_INTERFACE_EVENTS, want_interface_events) \
56 _(SW_INTERFACE_DUMP, sw_interface_dump) \
57 _(SW_INTERFACE_ADD_DEL_ADDRESS, sw_interface_add_del_address) \
58 _(SW_INTERFACE_SET_RX_MODE, sw_interface_set_rx_mode) \
59 _(SW_INTERFACE_SET_TABLE, sw_interface_set_table) \
60 _(SW_INTERFACE_GET_TABLE, sw_interface_get_table) \
61 _(SW_INTERFACE_SET_UNNUMBERED, sw_interface_set_unnumbered) \
62 _(SW_INTERFACE_CLEAR_STATS, sw_interface_clear_stats) \
63 _(SW_INTERFACE_TAG_ADD_DEL, sw_interface_tag_add_del) \
64 _(SW_INTERFACE_SET_MAC_ADDRESS, sw_interface_set_mac_address) \
65 _(SW_INTERFACE_GET_MAC_ADDRESS, sw_interface_get_mac_address) \
66 _(CREATE_VLAN_SUBIF, create_vlan_subif) \
67 _(CREATE_SUBIF, create_subif) \
68 _(DELETE_SUBIF, delete_subif) \
69 _(CREATE_LOOPBACK, create_loopback) \
70 _(CREATE_LOOPBACK_INSTANCE, create_loopback_instance) \
71 _(DELETE_LOOPBACK, delete_loopback) \
72 _(INTERFACE_NAME_RENUMBER, interface_name_renumber) \
73 _(COLLECT_DETAILED_INTERFACE_STATS, collect_detailed_interface_stats)
76 vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
78 vl_api_sw_interface_set_flags_reply_t *rmp;
79 vnet_main_t *vnm = vnet_get_main ();
84 VALIDATE_SW_IF_INDEX (mp);
86 flags = mp->admin_up_down ? VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
88 error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
92 clib_error_report (error);
95 BAD_SW_IF_INDEX_LABEL;
96 REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
100 vl_api_hw_interface_set_mtu_t_handler (vl_api_hw_interface_set_mtu_t * mp)
102 vl_api_hw_interface_set_mtu_reply_t *rmp;
103 vnet_main_t *vnm = vnet_get_main ();
104 u32 sw_if_index = ntohl (mp->sw_if_index);
105 u16 mtu = ntohs (mp->mtu);
106 ethernet_main_t *em = ðernet_main;
109 VALIDATE_SW_IF_INDEX (mp);
111 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
112 if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
114 rv = VNET_API_ERROR_INVALID_VALUE;
115 goto bad_sw_if_index;
118 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, si->hw_if_index);
119 ethernet_interface_t *eif = ethernet_get_interface (em, si->hw_if_index);
123 rv = VNET_API_ERROR_FEATURE_DISABLED;
124 goto bad_sw_if_index;
127 if (mtu < hi->min_supported_packet_bytes)
129 rv = VNET_API_ERROR_INVALID_VALUE;
130 goto bad_sw_if_index;
133 if (mtu > hi->max_supported_packet_bytes)
135 rv = VNET_API_ERROR_INVALID_VALUE;
136 goto bad_sw_if_index;
139 vnet_hw_interface_set_mtu (vnm, si->hw_if_index, mtu);
141 BAD_SW_IF_INDEX_LABEL;
142 REPLY_MACRO (VL_API_HW_INTERFACE_SET_MTU_REPLY);
146 vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
148 vl_api_sw_interface_set_mtu_reply_t *rmp;
149 vnet_main_t *vnm = vnet_get_main ();
150 u32 sw_if_index = ntohl (mp->sw_if_index);
153 u32 per_protocol_mtu[VNET_N_MTU];
155 VALIDATE_SW_IF_INDEX (mp);
157 for (i = 0; i < VNET_N_MTU; i++)
158 per_protocol_mtu[i] = ntohl (mp->mtu[i]);
160 vnet_sw_interface_set_protocol_mtu (vnm, sw_if_index, per_protocol_mtu);
162 BAD_SW_IF_INDEX_LABEL;
163 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
167 send_sw_interface_details (vpe_api_main_t * am,
168 vl_api_registration_t * rp,
169 vnet_sw_interface_t * swif,
170 u8 * interface_name, u32 context)
172 vnet_hw_interface_t *hi =
173 vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
175 vl_api_sw_interface_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
176 memset (mp, 0, sizeof (*mp));
177 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
178 mp->sw_if_index = ntohl (swif->sw_if_index);
179 mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
180 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
181 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
182 mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
183 VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
184 mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >>
185 VNET_HW_INTERFACE_FLAG_SPEED_SHIFT);
186 mp->link_mtu = ntohs (hi->max_packet_bytes);
187 mp->mtu[VNET_MTU_L3] = ntohl (swif->mtu[VNET_MTU_L3]);
188 mp->mtu[VNET_MTU_IP4] = ntohl (swif->mtu[VNET_MTU_IP4]);
189 mp->mtu[VNET_MTU_IP6] = ntohl (swif->mtu[VNET_MTU_IP6]);
190 mp->mtu[VNET_MTU_MPLS] = ntohl (swif->mtu[VNET_MTU_MPLS]);
192 mp->context = context;
194 strncpy ((char *) mp->interface_name,
195 (char *) interface_name, ARRAY_LEN (mp->interface_name) - 1);
197 /* Send the L2 address for ethernet physical intfcs */
198 if (swif->sup_sw_if_index == swif->sw_if_index
199 && hi->hw_class_index == ethernet_hw_interface_class.index)
201 ethernet_main_t *em = ethernet_get_main (am->vlib_main);
202 ethernet_interface_t *ei;
204 ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
205 ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
206 clib_memcpy (mp->l2_address, ei->address, sizeof (ei->address));
207 mp->l2_address_length = ntohl (sizeof (ei->address));
209 else if (swif->sup_sw_if_index != swif->sw_if_index)
211 vnet_sub_interface_t *sub = &swif->sub;
212 mp->sub_id = ntohl (sub->id);
213 mp->sub_dot1ad = sub->eth.flags.dot1ad;
214 mp->sub_number_of_tags =
215 sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
216 mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
217 mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
218 mp->sub_exact_match = sub->eth.flags.exact_match;
219 mp->sub_default = sub->eth.flags.default_sub;
220 mp->sub_outer_vlan_id_any = sub->eth.flags.outer_vlan_id_any;
221 mp->sub_inner_vlan_id_any = sub->eth.flags.inner_vlan_id_any;
223 /* vlan tag rewrite data */
224 u32 vtr_op = L2_VTR_DISABLED;
225 u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
227 if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
228 &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
230 // error - default to disabled
231 mp->vtr_op = ntohl (L2_VTR_DISABLED);
232 clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
237 mp->vtr_op = ntohl (vtr_op);
238 mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
239 mp->vtr_tag1 = ntohl (vtr_tag1);
240 mp->vtr_tag2 = ntohl (vtr_tag2);
244 /* pbb tag rewrite data */
245 ethernet_header_t eth_hdr;
246 u32 vtr_op = L2_VTR_DISABLED;
250 memset (ð_hdr, 0, sizeof (eth_hdr));
252 if (!l2pbb_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
253 &vtr_op, &outer_tag, ð_hdr, &b_vlanid, &i_sid))
256 clib_memcpy (mp->b_dmac, eth_hdr.dst_address,
257 sizeof (eth_hdr.dst_address));
258 clib_memcpy (mp->b_smac, eth_hdr.src_address,
259 sizeof (eth_hdr.src_address));
260 mp->b_vlanid = b_vlanid;
264 u8 *tag = vnet_get_sw_interface_tag (vnet_get_main (), swif->sw_if_index);
266 strncpy ((char *) mp->tag, (char *) tag, ARRAY_LEN (mp->tag) - 1);
268 vl_api_send_msg (rp, (u8 *) mp);
272 vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
274 vpe_api_main_t *am = &vpe_api_main;
275 vnet_sw_interface_t *swif;
276 vnet_interface_main_t *im = &am->vnet_main->interface_main;
277 vl_api_registration_t *rp;
279 rp = vl_api_client_index_to_registration (mp->client_index);
283 clib_warning ("Client %d AWOL", mp->client_index);
287 u8 *filter = 0, *name = 0;
288 if (mp->name_filter_valid)
290 mp->name_filter[ARRAY_LEN (mp->name_filter) - 1] = 0;
291 filter = format (0, "%s%c", mp->name_filter, 0);
294 char *strcasestr (char *, char *); /* lnx hdr file botch */
296 pool_foreach (swif, im->sw_interfaces,
298 if (!vnet_swif_is_api_visible (swif))
300 vec_reset_length(name);
301 name = format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
304 if (filter && !strcasestr((char *) name, (char *) filter))
307 send_sw_interface_details (am, rp, swif, name, mp->context);
316 vl_api_sw_interface_add_del_address_t_handler
317 (vl_api_sw_interface_add_del_address_t * mp)
319 vlib_main_t *vm = vlib_get_main ();
320 vnet_main_t *vnm = vnet_get_main ();
321 vl_api_sw_interface_add_del_address_reply_t *rmp;
324 clib_error_t *error = 0;
326 VALIDATE_SW_IF_INDEX (mp);
328 is_del = mp->is_add == 0;
332 ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
333 else if (mp->is_ipv6)
334 error = ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
335 (void *) mp->address,
336 mp->address_length, is_del);
338 error = ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
339 (void *) mp->address,
340 mp->address_length, is_del);
345 clib_error_report (error);
349 BAD_SW_IF_INDEX_LABEL;
352 REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
355 void stats_dslock_with_hint (int hint, int tag) __attribute__ ((weak));
357 stats_dslock_with_hint (int hint, int tag)
361 void stats_dsunlock (void) __attribute__ ((weak));
363 stats_dsunlock (void)
368 vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
370 vl_api_sw_interface_set_table_reply_t *rmp;
371 u32 sw_if_index = ntohl (mp->sw_if_index);
372 u32 table_id = ntohl (mp->vrf_id);
375 VALIDATE_SW_IF_INDEX (mp);
377 stats_dslock_with_hint (1 /* release hint */ , 4 /* tag */ );
380 rv = ip_table_bind (FIB_PROTOCOL_IP6, sw_if_index, table_id, 1);
382 rv = ip_table_bind (FIB_PROTOCOL_IP4, sw_if_index, table_id, 1);
386 BAD_SW_IF_INDEX_LABEL;
388 REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
392 ip_table_bind (fib_protocol_t fproto,
393 u32 sw_if_index, u32 table_id, u8 is_api)
395 CLIB_UNUSED (ip_interface_address_t * ia);
396 u32 fib_index, mfib_index;
402 src = FIB_SOURCE_API;
403 msrc = MFIB_SOURCE_API;
407 src = FIB_SOURCE_CLI;
408 msrc = MFIB_SOURCE_CLI;
412 * This if table does not exist = error is what we want in the end.
414 fib_index = fib_table_find (fproto, table_id);
415 mfib_index = mfib_table_find (fproto, table_id);
417 if (~0 == fib_index || ~0 == mfib_index)
419 return (VNET_API_ERROR_NO_SUCH_FIB);
422 if (FIB_PROTOCOL_IP6 == fproto)
425 * If the interface already has in IP address, then a change int
426 * VRF is not allowed. The IP address applied must first be removed.
427 * We do not do that automatically here, since VPP has no knowledge
428 * of whether thoses subnets are valid in the destination VRF.
431 foreach_ip_interface_address (&ip6_main.lookup_main,
433 1 /* honor unnumbered */ ,
435 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
439 vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
440 vec_validate (ip6_main.mfib_index_by_sw_if_index, sw_if_index);
443 * tell those that are interested that the binding is changing.
445 ip6_table_bind_callback_t *cb;
446 vec_foreach (cb, ip6_main.table_bind_callbacks)
447 cb->function (&ip6_main, cb->function_opaque,
450 ip6_main.fib_index_by_sw_if_index[sw_if_index]);
454 /* reset back to default */
455 if (0 != ip6_main.fib_index_by_sw_if_index[sw_if_index])
456 fib_table_unlock (ip6_main.fib_index_by_sw_if_index[sw_if_index],
457 FIB_PROTOCOL_IP6, src);
458 if (0 != ip6_main.mfib_index_by_sw_if_index[sw_if_index])
459 mfib_table_unlock (ip6_main.mfib_index_by_sw_if_index
460 [sw_if_index], FIB_PROTOCOL_IP6, msrc);
465 /* we need to lock the table now it's inuse */
466 fib_table_lock (fib_index, FIB_PROTOCOL_IP6, src);
467 mfib_table_lock (mfib_index, FIB_PROTOCOL_IP6, msrc);
470 ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
471 ip6_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
476 * If the interface already has in IP address, then a change int
477 * VRF is not allowed. The IP address applied must first be removed.
478 * We do not do that automatically here, since VPP has no knowledge
479 * of whether thoses subnets are valid in the destination VRF.
482 foreach_ip_interface_address (&ip4_main.lookup_main,
484 1 /* honor unnumbered */ ,
486 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
490 vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
491 vec_validate (ip4_main.mfib_index_by_sw_if_index, sw_if_index);
494 * tell those that are interested that the binding is changing.
496 ip4_table_bind_callback_t *cb;
497 vec_foreach (cb, ip4_main.table_bind_callbacks)
498 cb->function (&ip4_main, cb->function_opaque,
501 ip4_main.fib_index_by_sw_if_index[sw_if_index]);
505 /* reset back to default */
506 if (0 != ip4_main.fib_index_by_sw_if_index[sw_if_index])
507 fib_table_unlock (ip4_main.fib_index_by_sw_if_index[sw_if_index],
508 FIB_PROTOCOL_IP4, src);
509 if (0 != ip4_main.mfib_index_by_sw_if_index[sw_if_index])
510 mfib_table_unlock (ip4_main.mfib_index_by_sw_if_index
511 [sw_if_index], FIB_PROTOCOL_IP4, msrc);
516 /* we need to lock the table now it's inuse */
517 fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
520 mfib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
524 ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
525 ip4_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
532 send_sw_interface_get_table_reply (vl_api_registration_t * reg,
533 u32 context, int retval, u32 vrf_id)
535 vl_api_sw_interface_get_table_reply_t *mp;
537 mp = vl_msg_api_alloc (sizeof (*mp));
538 memset (mp, 0, sizeof (*mp));
539 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
540 mp->context = context;
541 mp->retval = htonl (retval);
542 mp->vrf_id = htonl (vrf_id);
544 vl_api_send_msg (reg, (u8 *) mp);
548 vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
550 vl_api_registration_t *reg;
551 fib_table_t *fib_table = 0;
552 u32 sw_if_index = ~0;
555 fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
558 reg = vl_api_client_index_to_registration (mp->client_index);
562 VALIDATE_SW_IF_INDEX (mp);
564 sw_if_index = ntohl (mp->sw_if_index);
567 fib_proto = FIB_PROTOCOL_IP6;
569 fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
572 fib_table = fib_table_get (fib_index, fib_proto);
573 table_id = fib_table->ft_table_id;
576 BAD_SW_IF_INDEX_LABEL;
578 send_sw_interface_get_table_reply (reg, mp->context, rv, table_id);
581 static void vl_api_sw_interface_set_unnumbered_t_handler
582 (vl_api_sw_interface_set_unnumbered_t * mp)
584 vl_api_sw_interface_set_unnumbered_reply_t *rmp;
586 vnet_main_t *vnm = vnet_get_main ();
587 u32 sw_if_index = ntohl (mp->sw_if_index);
588 u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
591 * The API message field names are backwards from
592 * the underlying data structure names.
593 * It's not worth changing them now.
595 if (!vnet_sw_interface_is_api_valid (vnm, unnumbered_sw_if_index))
597 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
601 /* Only check the "use loop0" field when setting the binding */
602 if (mp->is_add && !vnet_sw_interface_is_api_valid (vnm, sw_if_index))
604 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
608 vnet_sw_interface_update_unnumbered (unnumbered_sw_if_index,
609 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 vl_api_registration_t * vl_reg,
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_api_send_msg (vl_reg, (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 vl_api_registration_t *vl_reg;
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 vl_reg = vl_api_client_index_to_registration (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, vl_reg, 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;
859 VALIDATE_SW_IF_INDEX (mp);
861 si = vnet_get_sw_interface (vnm, sw_if_index);
862 error = vnet_hw_interface_change_mac_address (vnm, si->hw_if_index,
866 rv = VNET_API_ERROR_UNIMPLEMENTED;
867 clib_error_report (error);
871 BAD_SW_IF_INDEX_LABEL;
873 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MAC_ADDRESS_REPLY);
876 static void vl_api_sw_interface_get_mac_address_t_handler
877 (vl_api_sw_interface_get_mac_address_t * mp)
879 vl_api_sw_interface_get_mac_address_reply_t *rmp;
880 vl_api_registration_t *reg;
881 vnet_main_t *vnm = vnet_get_main ();
882 u32 sw_if_index = ntohl (mp->sw_if_index);
883 vnet_sw_interface_t *si;
884 ethernet_interface_t *eth_if = 0;
887 VALIDATE_SW_IF_INDEX (mp);
889 si = vnet_get_sup_sw_interface (vnm, sw_if_index);
890 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
891 eth_if = ethernet_get_interface (ðernet_main, si->hw_if_index);
893 BAD_SW_IF_INDEX_LABEL;
895 reg = vl_api_client_index_to_registration (mp->client_index);
898 rmp = vl_msg_api_alloc (sizeof (*rmp));
899 rmp->_vl_msg_id = htons (VL_API_SW_INTERFACE_GET_MAC_ADDRESS_REPLY);
900 rmp->context = mp->context;
901 rmp->retval = htonl (rv);
903 memcpy (rmp->mac_address, eth_if->address, 6);
904 vl_api_send_msg (reg, (u8 *) rmp);
907 static void vl_api_sw_interface_set_rx_mode_t_handler
908 (vl_api_sw_interface_set_rx_mode_t * mp)
910 vl_api_sw_interface_set_rx_mode_reply_t *rmp;
911 vnet_main_t *vnm = vnet_get_main ();
912 u32 sw_if_index = ntohl (mp->sw_if_index);
913 vnet_sw_interface_t *si;
917 VALIDATE_SW_IF_INDEX (mp);
919 si = vnet_get_sw_interface (vnm, sw_if_index);
920 error = set_hw_interface_change_rx_mode (vnm, si->hw_if_index,
922 ntohl (mp->queue_id), mp->mode);
925 rv = VNET_API_ERROR_UNIMPLEMENTED;
926 clib_error_report (error);
930 BAD_SW_IF_INDEX_LABEL;
932 REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_MODE_REPLY);
936 vl_api_create_vlan_subif_t_handler (vl_api_create_vlan_subif_t * mp)
938 vl_api_create_vlan_subif_reply_t *rmp;
939 vnet_main_t *vnm = vnet_get_main ();
940 u32 sw_if_index = (u32) ~ 0;
941 vnet_hw_interface_t *hi;
944 vnet_sw_interface_t template;
946 vnet_interface_main_t *im = &vnm->interface_main;
948 vl_api_registration_t *reg;
951 VALIDATE_SW_IF_INDEX (mp);
953 hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
955 if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
957 rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
961 id = ntohl (mp->vlan_id);
962 if (id == 0 || id > 4095)
964 rv = VNET_API_ERROR_INVALID_VLAN;
968 sup_and_sub_key = ((u64) (hi->sw_if_index) << 32) | (u64) id;
970 p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
973 rv = VNET_API_ERROR_VLAN_ALREADY_EXISTS;
977 memset (&template, 0, sizeof (template));
978 template.type = VNET_SW_INTERFACE_TYPE_SUB;
979 template.sup_sw_if_index = hi->sw_if_index;
980 template.sub.id = id;
981 template.sub.eth.raw_flags = 0;
982 template.sub.eth.flags.one_tag = 1;
983 template.sub.eth.outer_vlan_id = id;
984 template.sub.eth.flags.exact_match = 1;
986 error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
989 clib_error_report (error);
990 rv = VNET_API_ERROR_INVALID_REGISTRATION;
994 u64 *kp = clib_mem_alloc (sizeof (*kp));
995 *kp = sup_and_sub_key;
997 hash_set (hi->sub_interface_sw_if_index_by_id, id, sw_if_index);
998 hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1000 BAD_SW_IF_INDEX_LABEL;
1003 reg = vl_api_client_index_to_registration (mp->client_index);
1007 rmp = vl_msg_api_alloc (sizeof (*rmp));
1008 rmp->_vl_msg_id = htons (VL_API_CREATE_VLAN_SUBIF_REPLY);
1009 rmp->context = mp->context;
1010 rmp->retval = htonl (rv);
1011 rmp->sw_if_index = htonl (sw_if_index);
1012 vl_api_send_msg (reg, (u8 *) rmp);
1016 vl_api_create_subif_t_handler (vl_api_create_subif_t * mp)
1018 vl_api_create_subif_reply_t *rmp;
1019 vnet_main_t *vnm = vnet_get_main ();
1020 u32 sw_if_index = ~0;
1023 vnet_sw_interface_t *si;
1024 vnet_hw_interface_t *hi;
1025 vnet_sw_interface_t template;
1027 vnet_interface_main_t *im = &vnm->interface_main;
1028 u64 sup_and_sub_key;
1029 clib_error_t *error;
1031 VALIDATE_SW_IF_INDEX (mp);
1033 si = vnet_get_sup_sw_interface (vnm, ntohl (mp->sw_if_index));
1034 hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
1036 if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
1038 rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
1042 sw_if_index = si->sw_if_index;
1043 sub_id = ntohl (mp->sub_id);
1045 sup_and_sub_key = ((u64) (sw_if_index) << 32) | (u64) sub_id;
1047 p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1051 clib_warning ("sup sw_if_index %d, sub id %d already exists\n",
1052 sw_if_index, sub_id);
1053 rv = VNET_API_ERROR_SUBIF_ALREADY_EXISTS;
1057 memset (&template, 0, sizeof (template));
1058 template.type = VNET_SW_INTERFACE_TYPE_SUB;
1059 template.sup_sw_if_index = sw_if_index;
1060 template.sub.id = sub_id;
1061 template.sub.eth.flags.no_tags = mp->no_tags;
1062 template.sub.eth.flags.one_tag = mp->one_tag;
1063 template.sub.eth.flags.two_tags = mp->two_tags;
1064 template.sub.eth.flags.dot1ad = mp->dot1ad;
1065 template.sub.eth.flags.exact_match = mp->exact_match;
1066 template.sub.eth.flags.default_sub = mp->default_sub;
1067 template.sub.eth.flags.outer_vlan_id_any = mp->outer_vlan_id_any;
1068 template.sub.eth.flags.inner_vlan_id_any = mp->inner_vlan_id_any;
1069 template.sub.eth.outer_vlan_id = ntohs (mp->outer_vlan_id);
1070 template.sub.eth.inner_vlan_id = ntohs (mp->inner_vlan_id);
1072 error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
1075 clib_error_report (error);
1076 rv = VNET_API_ERROR_SUBIF_CREATE_FAILED;
1080 u64 *kp = clib_mem_alloc (sizeof (*kp));
1081 *kp = sup_and_sub_key;
1083 hash_set (hi->sub_interface_sw_if_index_by_id, sub_id, sw_if_index);
1084 hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1086 BAD_SW_IF_INDEX_LABEL;
1091 REPLY_MACRO2(VL_API_CREATE_SUBIF_REPLY,
1093 rmp->sw_if_index = ntohl(sw_if_index);
1099 vl_api_delete_subif_t_handler (vl_api_delete_subif_t * mp)
1101 vl_api_delete_subif_reply_t *rmp;
1104 rv = vnet_delete_sub_interface (ntohl (mp->sw_if_index));
1106 REPLY_MACRO (VL_API_DELETE_SUBIF_REPLY);
1110 vl_api_interface_name_renumber_t_handler (vl_api_interface_name_renumber_t *
1113 vl_api_interface_name_renumber_reply_t *rmp;
1116 VALIDATE_SW_IF_INDEX (mp);
1118 rv = vnet_interface_name_renumber
1119 (ntohl (mp->sw_if_index), ntohl (mp->new_show_dev_instance));
1121 BAD_SW_IF_INDEX_LABEL;
1123 REPLY_MACRO (VL_API_INTERFACE_NAME_RENUMBER_REPLY);
1127 vl_api_create_loopback_t_handler (vl_api_create_loopback_t * mp)
1129 vl_api_create_loopback_reply_t *rmp;
1133 rv = vnet_create_loopback_interface (&sw_if_index, mp->mac_address, 0, 0);
1136 REPLY_MACRO2(VL_API_CREATE_LOOPBACK_REPLY,
1138 rmp->sw_if_index = ntohl (sw_if_index);
1143 static void vl_api_create_loopback_instance_t_handler
1144 (vl_api_create_loopback_instance_t * mp)
1146 vl_api_create_loopback_instance_reply_t *rmp;
1148 u8 is_specified = mp->is_specified;
1149 u32 user_instance = ntohl (mp->user_instance);
1152 rv = vnet_create_loopback_interface (&sw_if_index, mp->mac_address,
1153 is_specified, user_instance);
1156 REPLY_MACRO2(VL_API_CREATE_LOOPBACK_INSTANCE_REPLY,
1158 rmp->sw_if_index = ntohl (sw_if_index);
1164 vl_api_delete_loopback_t_handler (vl_api_delete_loopback_t * mp)
1166 vl_api_delete_loopback_reply_t *rmp;
1170 sw_if_index = ntohl (mp->sw_if_index);
1171 rv = vnet_delete_loopback_interface (sw_if_index);
1173 REPLY_MACRO (VL_API_DELETE_LOOPBACK_REPLY);
1177 vl_api_collect_detailed_interface_stats_t_handler
1178 (vl_api_collect_detailed_interface_stats_t * mp)
1180 vl_api_collect_detailed_interface_stats_reply_t *rmp;
1184 vnet_sw_interface_stats_collect_enable_disable (ntohl (mp->sw_if_index),
1185 mp->enable_disable);
1187 REPLY_MACRO (VL_API_COLLECT_DETAILED_INTERFACE_STATS_REPLY);
1192 * Add vpe's API message handlers to the table.
1193 * vlib has alread mapped shared memory and
1194 * added the client registration handlers.
1195 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
1197 #define vl_msg_name_crc_list
1198 #include <vnet/interface.api.h>
1199 #undef vl_msg_name_crc_list
1202 setup_message_id_table (api_main_t * am)
1204 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1205 foreach_vl_msg_name_crc_interface;
1209 pub_sub_handler (interface_events, INTERFACE_EVENTS);
1211 static clib_error_t *
1212 interface_api_hookup (vlib_main_t * vm)
1214 api_main_t *am = &api_main;
1217 vl_msg_api_set_handlers(VL_API_##N, #n, \
1218 vl_api_##n##_t_handler, \
1220 vl_api_##n##_t_endian, \
1221 vl_api_##n##_t_print, \
1222 sizeof(vl_api_##n##_t), 1);
1223 foreach_vpe_api_msg;
1227 * Set up the (msg_name, crc, message-id) table
1229 setup_message_id_table (am);
1234 VLIB_API_INIT_FUNCTION (interface_api_hookup);
1237 * fd.io coding-style-patch-verification: ON
1240 * eval: (c-set-style "gnu")