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) \
64 _(SW_INTERFACE_GET_MAC_ADDRESS, sw_interface_get_mac_address) \
65 _(CREATE_VLAN_SUBIF, create_vlan_subif) \
66 _(CREATE_SUBIF, create_subif) \
67 _(DELETE_SUBIF, delete_subif) \
68 _(CREATE_LOOPBACK, create_loopback) \
69 _(CREATE_LOOPBACK_INSTANCE, create_loopback_instance) \
70 _(DELETE_LOOPBACK, delete_loopback) \
71 _(INTERFACE_NAME_RENUMBER, interface_name_renumber)
74 vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
76 vl_api_sw_interface_set_flags_reply_t *rmp;
77 vnet_main_t *vnm = vnet_get_main ();
82 VALIDATE_SW_IF_INDEX (mp);
84 flags = mp->admin_up_down ? VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
86 error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
90 clib_error_report (error);
93 BAD_SW_IF_INDEX_LABEL;
94 REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
98 vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
100 vl_api_sw_interface_set_mtu_reply_t *rmp;
101 vnet_main_t *vnm = vnet_get_main ();
102 u32 sw_if_index = ntohl (mp->sw_if_index);
103 u16 mtu = ntohs (mp->mtu);
104 ethernet_main_t *em = ðernet_main;
107 VALIDATE_SW_IF_INDEX (mp);
109 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
110 if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
112 rv = VNET_API_ERROR_INVALID_VALUE;
113 goto bad_sw_if_index;
116 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, si->hw_if_index);
117 ethernet_interface_t *eif = ethernet_get_interface (em, si->hw_if_index);
121 rv = VNET_API_ERROR_FEATURE_DISABLED;
122 goto bad_sw_if_index;
125 if (mtu < hi->min_supported_packet_bytes)
127 rv = VNET_API_ERROR_INVALID_VALUE;
128 goto bad_sw_if_index;
131 if (mtu > hi->max_supported_packet_bytes)
133 rv = VNET_API_ERROR_INVALID_VALUE;
134 goto bad_sw_if_index;
137 vnet_hw_interface_set_mtu (vnm, si->hw_if_index, mtu);
139 BAD_SW_IF_INDEX_LABEL;
140 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
144 send_sw_interface_details (vpe_api_main_t * am,
145 vl_api_registration_t * rp,
146 vnet_sw_interface_t * swif,
147 u8 * interface_name, u32 context)
149 vnet_hw_interface_t *hi =
150 vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
152 vl_api_sw_interface_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
153 memset (mp, 0, sizeof (*mp));
154 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
155 mp->sw_if_index = ntohl (swif->sw_if_index);
156 mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
157 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
158 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
159 mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
160 VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
161 mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >>
162 VNET_HW_INTERFACE_FLAG_SPEED_SHIFT);
163 mp->link_mtu = ntohs (hi->max_packet_bytes);
164 mp->context = context;
166 strncpy ((char *) mp->interface_name,
167 (char *) interface_name, ARRAY_LEN (mp->interface_name) - 1);
169 /* Send the L2 address for ethernet physical intfcs */
170 if (swif->sup_sw_if_index == swif->sw_if_index
171 && hi->hw_class_index == ethernet_hw_interface_class.index)
173 ethernet_main_t *em = ethernet_get_main (am->vlib_main);
174 ethernet_interface_t *ei;
176 ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
177 ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
178 clib_memcpy (mp->l2_address, ei->address, sizeof (ei->address));
179 mp->l2_address_length = ntohl (sizeof (ei->address));
181 else if (swif->sup_sw_if_index != swif->sw_if_index)
183 vnet_sub_interface_t *sub = &swif->sub;
184 mp->sub_id = ntohl (sub->id);
185 mp->sub_dot1ad = sub->eth.flags.dot1ad;
186 mp->sub_number_of_tags =
187 sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
188 mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
189 mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
190 mp->sub_exact_match = sub->eth.flags.exact_match;
191 mp->sub_default = sub->eth.flags.default_sub;
192 mp->sub_outer_vlan_id_any = sub->eth.flags.outer_vlan_id_any;
193 mp->sub_inner_vlan_id_any = sub->eth.flags.inner_vlan_id_any;
195 /* vlan tag rewrite data */
196 u32 vtr_op = L2_VTR_DISABLED;
197 u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
199 if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
200 &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
202 // error - default to disabled
203 mp->vtr_op = ntohl (L2_VTR_DISABLED);
204 clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
209 mp->vtr_op = ntohl (vtr_op);
210 mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
211 mp->vtr_tag1 = ntohl (vtr_tag1);
212 mp->vtr_tag2 = ntohl (vtr_tag2);
216 /* pbb tag rewrite data */
217 ethernet_header_t eth_hdr;
218 u32 vtr_op = L2_VTR_DISABLED;
222 memset (ð_hdr, 0, sizeof (eth_hdr));
224 if (!l2pbb_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
225 &vtr_op, &outer_tag, ð_hdr, &b_vlanid, &i_sid))
228 clib_memcpy (mp->b_dmac, eth_hdr.dst_address,
229 sizeof (eth_hdr.dst_address));
230 clib_memcpy (mp->b_smac, eth_hdr.src_address,
231 sizeof (eth_hdr.src_address));
232 mp->b_vlanid = b_vlanid;
236 u8 *tag = vnet_get_sw_interface_tag (vnet_get_main (), swif->sw_if_index);
238 strncpy ((char *) mp->tag, (char *) tag, ARRAY_LEN (mp->tag) - 1);
240 vl_api_send_msg (rp, (u8 *) mp);
244 vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
246 vpe_api_main_t *am = &vpe_api_main;
247 vnet_sw_interface_t *swif;
248 vnet_interface_main_t *im = &am->vnet_main->interface_main;
249 vl_api_registration_t *rp;
251 rp = vl_api_client_index_to_registration (mp->client_index);
255 clib_warning ("Client %d AWOL", mp->client_index);
259 u8 *filter = 0, *name = 0;
260 if (mp->name_filter_valid)
262 mp->name_filter[ARRAY_LEN (mp->name_filter) - 1] = 0;
263 filter = format (0, "%s%c", mp->name_filter, 0);
266 char *strcasestr (char *, char *); /* lnx hdr file botch */
268 pool_foreach (swif, im->sw_interfaces,
270 if (!vnet_swif_is_api_visible (swif))
272 vec_reset_length(name);
273 name = format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
276 if (filter && !strcasestr((char *) name, (char *) filter))
279 send_sw_interface_details (am, rp, swif, name, mp->context);
288 vl_api_sw_interface_add_del_address_t_handler
289 (vl_api_sw_interface_add_del_address_t * mp)
291 vlib_main_t *vm = vlib_get_main ();
292 vnet_main_t *vnm = vnet_get_main ();
293 vl_api_sw_interface_add_del_address_reply_t *rmp;
296 clib_error_t *error = 0;
298 VALIDATE_SW_IF_INDEX (mp);
300 is_del = mp->is_add == 0;
304 ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
305 else if (mp->is_ipv6)
306 error = ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
307 (void *) mp->address,
308 mp->address_length, is_del);
310 error = ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
311 (void *) mp->address,
312 mp->address_length, is_del);
317 clib_error_report (error);
321 BAD_SW_IF_INDEX_LABEL;
324 REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
327 void stats_dslock_with_hint (int hint, int tag) __attribute__ ((weak));
329 stats_dslock_with_hint (int hint, int tag)
333 void stats_dsunlock (void) __attribute__ ((weak));
335 stats_dsunlock (void)
340 vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
342 vl_api_sw_interface_set_table_reply_t *rmp;
343 u32 sw_if_index = ntohl (mp->sw_if_index);
344 u32 table_id = ntohl (mp->vrf_id);
347 VALIDATE_SW_IF_INDEX (mp);
349 stats_dslock_with_hint (1 /* release hint */ , 4 /* tag */ );
352 rv = ip_table_bind (FIB_PROTOCOL_IP6, sw_if_index, table_id, 1);
354 rv = ip_table_bind (FIB_PROTOCOL_IP4, sw_if_index, table_id, 1);
358 BAD_SW_IF_INDEX_LABEL;
360 REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
364 ip_table_bind (fib_protocol_t fproto,
365 u32 sw_if_index, u32 table_id, u8 is_api)
367 CLIB_UNUSED (ip_interface_address_t * ia);
368 u32 fib_index, mfib_index;
374 src = FIB_SOURCE_API;
375 msrc = MFIB_SOURCE_API;
379 src = FIB_SOURCE_CLI;
380 msrc = MFIB_SOURCE_CLI;
384 * This is temporary whilst I do the song and dance with the CSIT version
388 fib_index = fib_table_find_or_create_and_lock (fproto, table_id, src);
390 mfib_table_find_or_create_and_lock (fproto, table_id, msrc);
399 * This if table does not exist = error is what we want in the end.
401 /* fib_index = fib_table_find (fproto, table_id); */
402 /* mfib_index = mfib_table_find (fproto, table_id); */
404 /* if (~0 == fib_index || ~0 == mfib_index) */
406 /* return (VNET_API_ERROR_NO_SUCH_FIB); */
409 if (FIB_PROTOCOL_IP6 == fproto)
412 * If the interface already has in IP address, then a change int
413 * VRF is not allowed. The IP address applied must first be removed.
414 * We do not do that automatically here, since VPP has no knowledge
415 * of whether thoses subnets are valid in the destination VRF.
418 foreach_ip_interface_address (&ip6_main.lookup_main,
420 1 /* honor unnumbered */ ,
422 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
426 vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
427 vec_validate (ip6_main.mfib_index_by_sw_if_index, sw_if_index);
430 * tell those that are interested that the binding is changing.
432 ip6_table_bind_callback_t *cb;
433 vec_foreach (cb, ip6_main.table_bind_callbacks)
434 cb->function (&ip6_main, cb->function_opaque,
437 ip6_main.fib_index_by_sw_if_index[sw_if_index]);
441 /* reset back to default */
442 if (0 != ip6_main.fib_index_by_sw_if_index[sw_if_index])
443 fib_table_unlock (ip6_main.fib_index_by_sw_if_index[sw_if_index],
444 FIB_PROTOCOL_IP6, src);
445 if (0 != ip6_main.mfib_index_by_sw_if_index[sw_if_index])
446 mfib_table_unlock (ip6_main.mfib_index_by_sw_if_index
447 [sw_if_index], FIB_PROTOCOL_IP6, msrc);
452 /* we need to lock the table now it's inuse */
453 fib_table_lock (fib_index, FIB_PROTOCOL_IP6, src);
454 mfib_table_lock (mfib_index, FIB_PROTOCOL_IP6, msrc);
457 ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
458 ip6_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
463 * If the interface already has in IP address, then a change int
464 * VRF is not allowed. The IP address applied must first be removed.
465 * We do not do that automatically here, since VPP has no knowledge
466 * of whether thoses subnets are valid in the destination VRF.
469 foreach_ip_interface_address (&ip4_main.lookup_main,
471 1 /* honor unnumbered */ ,
473 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
477 vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
478 vec_validate (ip4_main.mfib_index_by_sw_if_index, sw_if_index);
481 * tell those that are interested that the binding is changing.
483 ip4_table_bind_callback_t *cb;
484 vec_foreach (cb, ip4_main.table_bind_callbacks)
485 cb->function (&ip4_main, cb->function_opaque,
488 ip4_main.fib_index_by_sw_if_index[sw_if_index]);
492 /* reset back to default */
493 if (0 != ip4_main.fib_index_by_sw_if_index[sw_if_index])
494 fib_table_unlock (ip4_main.fib_index_by_sw_if_index[sw_if_index],
495 FIB_PROTOCOL_IP4, src);
496 if (0 != ip4_main.mfib_index_by_sw_if_index[sw_if_index])
497 mfib_table_unlock (ip4_main.mfib_index_by_sw_if_index
498 [sw_if_index], FIB_PROTOCOL_IP4, msrc);
503 /* we need to lock the table now it's inuse */
504 fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
507 mfib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
511 ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
512 ip4_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
516 * Temporary. undo the locks from the find and create at the staart
520 fib_table_unlock (fib_index, fproto, src);
521 mfib_table_unlock (mfib_index, fproto, msrc);
528 send_sw_interface_get_table_reply (vl_api_registration_t * reg,
529 u32 context, int retval, u32 vrf_id)
531 vl_api_sw_interface_get_table_reply_t *mp;
533 mp = vl_msg_api_alloc (sizeof (*mp));
534 memset (mp, 0, sizeof (*mp));
535 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
536 mp->context = context;
537 mp->retval = htonl (retval);
538 mp->vrf_id = htonl (vrf_id);
540 vl_api_send_msg (reg, (u8 *) mp);
544 vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
546 vl_api_registration_t *reg;
547 fib_table_t *fib_table = 0;
548 u32 sw_if_index = ~0;
551 fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
554 reg = vl_api_client_index_to_registration (mp->client_index);
558 VALIDATE_SW_IF_INDEX (mp);
560 sw_if_index = ntohl (mp->sw_if_index);
563 fib_proto = FIB_PROTOCOL_IP6;
565 fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
568 fib_table = fib_table_get (fib_index, fib_proto);
569 table_id = fib_table->ft_table_id;
572 BAD_SW_IF_INDEX_LABEL;
574 send_sw_interface_get_table_reply (reg, mp->context, rv, table_id);
577 static void vl_api_sw_interface_set_unnumbered_t_handler
578 (vl_api_sw_interface_set_unnumbered_t * mp)
580 vl_api_sw_interface_set_unnumbered_reply_t *rmp;
582 vnet_main_t *vnm = vnet_get_main ();
583 u32 sw_if_index = ntohl (mp->sw_if_index);
584 u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
588 * The API message field names are backwards from
589 * the underlying data structure names.
590 * It's not worth changing them now.
592 if (!vnet_sw_interface_is_api_valid (vnm, unnumbered_sw_if_index))
594 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
598 /* Only check the "use loop0" field when setting the binding */
599 if (mp->is_add && !vnet_sw_interface_is_api_valid (vnm, sw_if_index))
601 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
605 vnet_sw_interface_t *si =
606 vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
607 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
611 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
612 si->unnumbered_sw_if_index = sw_if_index;
614 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
615 [unnumbered_sw_if_index] =
617 lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index];
619 lookup_main.if_address_pool_index_by_sw_if_index
620 [unnumbered_sw_if_index] =
622 lookup_main.if_address_pool_index_by_sw_if_index[sw_if_index];
626 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
627 si->unnumbered_sw_if_index = (u32) ~ 0;
629 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
630 [unnumbered_sw_if_index] = ~0;
631 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
632 [unnumbered_sw_if_index] = ~0;
635 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
637 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add);
638 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, mp->is_add);
642 REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
646 vl_api_sw_interface_clear_stats_t_handler (vl_api_sw_interface_clear_stats_t *
649 vl_api_sw_interface_clear_stats_reply_t *rmp;
651 vnet_main_t *vnm = vnet_get_main ();
652 vnet_interface_main_t *im = &vnm->interface_main;
653 vlib_simple_counter_main_t *sm;
654 vlib_combined_counter_main_t *cm;
655 static vnet_main_t **my_vnet_mains;
656 int i, j, n_counters;
659 if (mp->sw_if_index != ~0)
660 VALIDATE_SW_IF_INDEX (mp);
662 vec_reset_length (my_vnet_mains);
664 for (i = 0; i < vec_len (vnet_mains); i++)
667 vec_add1 (my_vnet_mains, vnet_mains[i]);
670 if (vec_len (vnet_mains) == 0)
671 vec_add1 (my_vnet_mains, vnm);
673 n_counters = vec_len (im->combined_sw_if_counters);
675 for (j = 0; j < n_counters; j++)
677 for (i = 0; i < vec_len (my_vnet_mains); i++)
679 im = &my_vnet_mains[i]->interface_main;
680 cm = im->combined_sw_if_counters + j;
681 if (mp->sw_if_index == (u32) ~ 0)
682 vlib_clear_combined_counters (cm);
684 vlib_zero_combined_counter (cm, ntohl (mp->sw_if_index));
688 n_counters = vec_len (im->sw_if_counters);
690 for (j = 0; j < n_counters; j++)
692 for (i = 0; i < vec_len (my_vnet_mains); i++)
694 im = &my_vnet_mains[i]->interface_main;
695 sm = im->sw_if_counters + j;
696 if (mp->sw_if_index == (u32) ~ 0)
697 vlib_clear_simple_counters (sm);
699 vlib_zero_simple_counter (sm, ntohl (mp->sw_if_index));
703 BAD_SW_IF_INDEX_LABEL;
705 REPLY_MACRO (VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
708 #define API_LINK_STATE_EVENT 1
709 #define API_ADMIN_UP_DOWN_EVENT 2
712 event_data_cmp (void *a1, void *a2)
717 return (word) e1[0] - (word) e2[0];
721 send_sw_interface_event (vpe_api_main_t * am,
722 vpe_client_registration_t * reg,
723 vl_api_registration_t * vl_reg,
724 vnet_sw_interface_t * swif)
726 vl_api_sw_interface_event_t *mp;
727 vnet_main_t *vnm = am->vnet_main;
729 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
731 mp = vl_msg_api_alloc (sizeof (*mp));
732 memset (mp, 0, sizeof (*mp));
733 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
734 mp->sw_if_index = ntohl (swif->sw_if_index);
735 mp->client_index = reg->client_index;
736 mp->pid = reg->client_pid;
738 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
739 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
740 vl_api_send_msg (vl_reg, (u8 *) mp);
744 link_state_process (vlib_main_t * vm,
745 vlib_node_runtime_t * rt, vlib_frame_t * f)
747 vpe_api_main_t *vam = &vpe_api_main;
748 vnet_main_t *vnm = vam->vnet_main;
749 vnet_sw_interface_t *swif;
750 uword *event_data = 0;
751 vpe_client_registration_t *reg;
753 u32 prev_sw_if_index;
754 vl_api_registration_t *vl_reg;
756 vam->link_state_process_up = 1;
760 vlib_process_wait_for_event (vm);
762 /* Unified list of changed link or admin state sw_if_indices */
763 vlib_process_get_events_with_type
764 (vm, &event_data, API_LINK_STATE_EVENT);
765 vlib_process_get_events_with_type
766 (vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
768 /* Sort, so we can eliminate duplicates */
769 vec_sort_with_function (event_data, event_data_cmp);
771 prev_sw_if_index = ~0;
773 for (i = 0; i < vec_len (event_data); i++)
775 /* Only one message per swif */
776 if (prev_sw_if_index == event_data[i])
778 prev_sw_if_index = event_data[i];
781 pool_foreach(reg, vam->interface_events_registrations,
783 vl_reg = vl_api_client_index_to_registration (reg->client_index);
786 /* sw_interface may be deleted already */
787 if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
790 swif = vnet_get_sw_interface (vnm, event_data[i]);
791 send_sw_interface_event (vam, reg, vl_reg, swif);
797 vec_reset_length (event_data);
803 static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
805 static clib_error_t *admin_up_down_function (vnet_main_t * vm,
806 u32 hw_if_index, u32 flags);
809 VLIB_REGISTER_NODE (link_state_process_node,static) = {
810 .function = link_state_process,
811 .type = VLIB_NODE_TYPE_PROCESS,
812 .name = "vpe-link-state-process",
816 VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
817 VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
819 static clib_error_t *
820 link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
822 vpe_api_main_t *vam = &vpe_api_main;
823 vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
825 if (vam->link_state_process_up)
826 vlib_process_signal_event (vam->vlib_main,
827 link_state_process_node.index,
828 API_LINK_STATE_EVENT, hi->sw_if_index);
832 static clib_error_t *
833 admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
835 vpe_api_main_t *vam = &vpe_api_main;
838 * Note: it's perfectly fair to set a subif admin up / admin down.
839 * Note the subtle distinction between this routine and the previous
842 if (vam->link_state_process_up)
843 vlib_process_signal_event (vam->vlib_main,
844 link_state_process_node.index,
845 API_ADMIN_UP_DOWN_EVENT, sw_if_index);
849 static void vl_api_sw_interface_tag_add_del_t_handler
850 (vl_api_sw_interface_tag_add_del_t * mp)
852 vnet_main_t *vnm = vnet_get_main ();
853 vl_api_sw_interface_tag_add_del_reply_t *rmp;
856 u32 sw_if_index = ntohl (mp->sw_if_index);
858 VALIDATE_SW_IF_INDEX (mp);
864 rv = VNET_API_ERROR_INVALID_VALUE;
868 mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
869 tag = format (0, "%s%c", mp->tag, 0);
870 vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
873 vnet_clear_sw_interface_tag (vnm, sw_if_index);
875 BAD_SW_IF_INDEX_LABEL;
877 REPLY_MACRO (VL_API_SW_INTERFACE_TAG_ADD_DEL_REPLY);
880 static void vl_api_sw_interface_set_mac_address_t_handler
881 (vl_api_sw_interface_set_mac_address_t * mp)
883 vl_api_sw_interface_set_mac_address_reply_t *rmp;
884 vnet_main_t *vnm = vnet_get_main ();
885 u32 sw_if_index = ntohl (mp->sw_if_index);
886 vnet_sw_interface_t *si;
890 VALIDATE_SW_IF_INDEX (mp);
892 si = vnet_get_sw_interface (vnm, sw_if_index);
893 error = vnet_hw_interface_change_mac_address (vnm, si->hw_if_index,
897 rv = VNET_API_ERROR_UNIMPLEMENTED;
898 clib_error_report (error);
902 BAD_SW_IF_INDEX_LABEL;
904 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MAC_ADDRESS_REPLY);
907 static void vl_api_sw_interface_get_mac_address_t_handler
908 (vl_api_sw_interface_get_mac_address_t * mp)
910 vl_api_sw_interface_get_mac_address_reply_t *rmp;
911 vl_api_registration_t *reg;
912 vnet_main_t *vnm = vnet_get_main ();
913 u32 sw_if_index = ntohl (mp->sw_if_index);
914 vnet_sw_interface_t *si;
915 ethernet_interface_t *eth_if = 0;
918 VALIDATE_SW_IF_INDEX (mp);
920 si = vnet_get_sup_sw_interface (vnm, sw_if_index);
921 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
922 eth_if = ethernet_get_interface (ðernet_main, si->hw_if_index);
924 BAD_SW_IF_INDEX_LABEL;
926 reg = vl_api_client_index_to_registration (mp->client_index);
929 rmp = vl_msg_api_alloc (sizeof (*rmp));
930 rmp->_vl_msg_id = htons (VL_API_SW_INTERFACE_GET_MAC_ADDRESS_REPLY);
931 rmp->context = mp->context;
932 rmp->retval = htonl (rv);
934 memcpy (rmp->mac_address, eth_if->address, 6);
935 vl_api_send_msg (reg, (u8 *) rmp);
938 static void vl_api_sw_interface_set_rx_mode_t_handler
939 (vl_api_sw_interface_set_rx_mode_t * mp)
941 vl_api_sw_interface_set_rx_mode_reply_t *rmp;
942 vnet_main_t *vnm = vnet_get_main ();
943 u32 sw_if_index = ntohl (mp->sw_if_index);
944 vnet_sw_interface_t *si;
948 VALIDATE_SW_IF_INDEX (mp);
950 si = vnet_get_sw_interface (vnm, sw_if_index);
951 error = set_hw_interface_change_rx_mode (vnm, si->hw_if_index,
953 ntohl (mp->queue_id), mp->mode);
956 rv = VNET_API_ERROR_UNIMPLEMENTED;
957 clib_error_report (error);
961 BAD_SW_IF_INDEX_LABEL;
963 REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_MODE_REPLY);
967 vl_api_create_vlan_subif_t_handler (vl_api_create_vlan_subif_t * mp)
969 vl_api_create_vlan_subif_reply_t *rmp;
970 vnet_main_t *vnm = vnet_get_main ();
971 u32 sw_if_index = (u32) ~ 0;
972 vnet_hw_interface_t *hi;
975 vnet_sw_interface_t template;
977 vnet_interface_main_t *im = &vnm->interface_main;
979 vl_api_registration_t *reg;
982 VALIDATE_SW_IF_INDEX (mp);
984 hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
986 if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
988 rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
992 id = ntohl (mp->vlan_id);
993 if (id == 0 || id > 4095)
995 rv = VNET_API_ERROR_INVALID_VLAN;
999 sup_and_sub_key = ((u64) (hi->sw_if_index) << 32) | (u64) id;
1001 p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1004 rv = VNET_API_ERROR_VLAN_ALREADY_EXISTS;
1008 memset (&template, 0, sizeof (template));
1009 template.type = VNET_SW_INTERFACE_TYPE_SUB;
1010 template.sup_sw_if_index = hi->sw_if_index;
1011 template.sub.id = id;
1012 template.sub.eth.raw_flags = 0;
1013 template.sub.eth.flags.one_tag = 1;
1014 template.sub.eth.outer_vlan_id = id;
1015 template.sub.eth.flags.exact_match = 1;
1017 error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
1020 clib_error_report (error);
1021 rv = VNET_API_ERROR_INVALID_REGISTRATION;
1025 u64 *kp = clib_mem_alloc (sizeof (*kp));
1026 *kp = sup_and_sub_key;
1028 hash_set (hi->sub_interface_sw_if_index_by_id, id, sw_if_index);
1029 hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1031 BAD_SW_IF_INDEX_LABEL;
1034 reg = vl_api_client_index_to_registration (mp->client_index);
1038 rmp = vl_msg_api_alloc (sizeof (*rmp));
1039 rmp->_vl_msg_id = htons (VL_API_CREATE_VLAN_SUBIF_REPLY);
1040 rmp->context = mp->context;
1041 rmp->retval = htonl (rv);
1042 rmp->sw_if_index = htonl (sw_if_index);
1043 vl_api_send_msg (reg, (u8 *) rmp);
1047 vl_api_create_subif_t_handler (vl_api_create_subif_t * mp)
1049 vl_api_create_subif_reply_t *rmp;
1050 vnet_main_t *vnm = vnet_get_main ();
1051 u32 sw_if_index = ~0;
1054 vnet_sw_interface_t *si;
1055 vnet_hw_interface_t *hi;
1056 vnet_sw_interface_t template;
1058 vnet_interface_main_t *im = &vnm->interface_main;
1059 u64 sup_and_sub_key;
1060 clib_error_t *error;
1062 VALIDATE_SW_IF_INDEX (mp);
1064 si = vnet_get_sup_sw_interface (vnm, ntohl (mp->sw_if_index));
1065 hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
1067 if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
1069 rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
1073 sw_if_index = si->sw_if_index;
1074 sub_id = ntohl (mp->sub_id);
1076 sup_and_sub_key = ((u64) (sw_if_index) << 32) | (u64) sub_id;
1078 p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1082 clib_warning ("sup sw_if_index %d, sub id %d already exists\n",
1083 sw_if_index, sub_id);
1084 rv = VNET_API_ERROR_SUBIF_ALREADY_EXISTS;
1088 memset (&template, 0, sizeof (template));
1089 template.type = VNET_SW_INTERFACE_TYPE_SUB;
1090 template.sup_sw_if_index = sw_if_index;
1091 template.sub.id = sub_id;
1092 template.sub.eth.flags.no_tags = mp->no_tags;
1093 template.sub.eth.flags.one_tag = mp->one_tag;
1094 template.sub.eth.flags.two_tags = mp->two_tags;
1095 template.sub.eth.flags.dot1ad = mp->dot1ad;
1096 template.sub.eth.flags.exact_match = mp->exact_match;
1097 template.sub.eth.flags.default_sub = mp->default_sub;
1098 template.sub.eth.flags.outer_vlan_id_any = mp->outer_vlan_id_any;
1099 template.sub.eth.flags.inner_vlan_id_any = mp->inner_vlan_id_any;
1100 template.sub.eth.outer_vlan_id = ntohs (mp->outer_vlan_id);
1101 template.sub.eth.inner_vlan_id = ntohs (mp->inner_vlan_id);
1103 error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
1106 clib_error_report (error);
1107 rv = VNET_API_ERROR_SUBIF_CREATE_FAILED;
1111 u64 *kp = clib_mem_alloc (sizeof (*kp));
1112 *kp = sup_and_sub_key;
1114 hash_set (hi->sub_interface_sw_if_index_by_id, sub_id, sw_if_index);
1115 hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1117 BAD_SW_IF_INDEX_LABEL;
1122 REPLY_MACRO2(VL_API_CREATE_SUBIF_REPLY,
1124 rmp->sw_if_index = ntohl(sw_if_index);
1130 vl_api_delete_subif_t_handler (vl_api_delete_subif_t * mp)
1132 vl_api_delete_subif_reply_t *rmp;
1135 rv = vnet_delete_sub_interface (ntohl (mp->sw_if_index));
1137 REPLY_MACRO (VL_API_DELETE_SUBIF_REPLY);
1141 vl_api_interface_name_renumber_t_handler (vl_api_interface_name_renumber_t *
1144 vl_api_interface_name_renumber_reply_t *rmp;
1147 VALIDATE_SW_IF_INDEX (mp);
1149 rv = vnet_interface_name_renumber
1150 (ntohl (mp->sw_if_index), ntohl (mp->new_show_dev_instance));
1152 BAD_SW_IF_INDEX_LABEL;
1154 REPLY_MACRO (VL_API_INTERFACE_NAME_RENUMBER_REPLY);
1158 vl_api_create_loopback_t_handler (vl_api_create_loopback_t * mp)
1160 vl_api_create_loopback_reply_t *rmp;
1164 rv = vnet_create_loopback_interface (&sw_if_index, mp->mac_address, 0, 0);
1167 REPLY_MACRO2(VL_API_CREATE_LOOPBACK_REPLY,
1169 rmp->sw_if_index = ntohl (sw_if_index);
1174 static void vl_api_create_loopback_instance_t_handler
1175 (vl_api_create_loopback_instance_t * mp)
1177 vl_api_create_loopback_instance_reply_t *rmp;
1179 u8 is_specified = mp->is_specified;
1180 u32 user_instance = ntohl (mp->user_instance);
1183 rv = vnet_create_loopback_interface (&sw_if_index, mp->mac_address,
1184 is_specified, user_instance);
1187 REPLY_MACRO2(VL_API_CREATE_LOOPBACK_INSTANCE_REPLY,
1189 rmp->sw_if_index = ntohl (sw_if_index);
1195 vl_api_delete_loopback_t_handler (vl_api_delete_loopback_t * mp)
1197 vl_api_delete_loopback_reply_t *rmp;
1201 sw_if_index = ntohl (mp->sw_if_index);
1202 rv = vnet_delete_loopback_interface (sw_if_index);
1204 REPLY_MACRO (VL_API_DELETE_LOOPBACK_REPLY);
1209 * Add vpe's API message handlers to the table.
1210 * vlib has alread mapped shared memory and
1211 * added the client registration handlers.
1212 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
1214 #define vl_msg_name_crc_list
1215 #include <vnet/interface.api.h>
1216 #undef vl_msg_name_crc_list
1219 setup_message_id_table (api_main_t * am)
1221 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1222 foreach_vl_msg_name_crc_interface;
1226 pub_sub_handler (interface_events, INTERFACE_EVENTS);
1228 static clib_error_t *
1229 interface_api_hookup (vlib_main_t * vm)
1231 api_main_t *am = &api_main;
1234 vl_msg_api_set_handlers(VL_API_##N, #n, \
1235 vl_api_##n##_t_handler, \
1237 vl_api_##n##_t_endian, \
1238 vl_api_##n##_t_print, \
1239 sizeof(vl_api_##n##_t), 1);
1240 foreach_vpe_api_msg;
1244 * Set up the (msg_name, crc, message-id) table
1246 setup_message_id_table (am);
1251 VLIB_API_INIT_FUNCTION (interface_api_hookup);
1254 * fd.io coding-style-patch-verification: ON
1257 * eval: (c-set-style "gnu")