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) \
72 _(COLLECT_DETAILED_INTERFACE_STATS, collect_detailed_interface_stats)
75 vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
77 vl_api_sw_interface_set_flags_reply_t *rmp;
78 vnet_main_t *vnm = vnet_get_main ();
83 VALIDATE_SW_IF_INDEX (mp);
85 flags = mp->admin_up_down ? VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
87 error = vnet_sw_interface_set_flags (vnm, ntohl (mp->sw_if_index), flags);
91 clib_error_report (error);
94 BAD_SW_IF_INDEX_LABEL;
95 REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
99 vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
101 vl_api_sw_interface_set_mtu_reply_t *rmp;
102 vnet_main_t *vnm = vnet_get_main ();
103 u32 sw_if_index = ntohl (mp->sw_if_index);
104 u16 mtu = ntohs (mp->mtu);
107 VALIDATE_SW_IF_INDEX (mp);
109 rv = vnet_sw_interface_set_mtu (vnm, sw_if_index, mtu);
111 BAD_SW_IF_INDEX_LABEL;
112 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
116 send_sw_interface_details (vpe_api_main_t * am,
117 vl_api_registration_t * rp,
118 vnet_sw_interface_t * swif,
119 u8 * interface_name, u32 context)
121 vnet_hw_interface_t *hi =
122 vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
124 vl_api_sw_interface_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
125 memset (mp, 0, sizeof (*mp));
126 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_DETAILS);
127 mp->sw_if_index = ntohl (swif->sw_if_index);
128 mp->sup_sw_if_index = ntohl (swif->sup_sw_if_index);
129 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
130 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
131 mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
132 VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
133 mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >>
134 VNET_HW_INTERFACE_FLAG_SPEED_SHIFT);
135 mp->mtu = ntohs (swif->max_l3_packet_bytes[VLIB_TX]);
136 mp->context = context;
138 strncpy ((char *) mp->interface_name,
139 (char *) interface_name, ARRAY_LEN (mp->interface_name) - 1);
141 /* Send the L2 address for ethernet physical intfcs */
142 if (swif->sup_sw_if_index == swif->sw_if_index
143 && hi->hw_class_index == ethernet_hw_interface_class.index)
145 ethernet_main_t *em = ethernet_get_main (am->vlib_main);
146 ethernet_interface_t *ei;
148 ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
149 ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
150 clib_memcpy (mp->l2_address, ei->address, sizeof (ei->address));
151 mp->l2_address_length = ntohl (sizeof (ei->address));
153 else if (swif->sup_sw_if_index != swif->sw_if_index)
155 vnet_sub_interface_t *sub = &swif->sub;
156 mp->sub_id = ntohl (sub->id);
157 mp->sub_dot1ad = sub->eth.flags.dot1ad;
158 mp->sub_number_of_tags =
159 sub->eth.flags.one_tag + sub->eth.flags.two_tags * 2;
160 mp->sub_outer_vlan_id = ntohs (sub->eth.outer_vlan_id);
161 mp->sub_inner_vlan_id = ntohs (sub->eth.inner_vlan_id);
162 mp->sub_exact_match = sub->eth.flags.exact_match;
163 mp->sub_default = sub->eth.flags.default_sub;
164 mp->sub_outer_vlan_id_any = sub->eth.flags.outer_vlan_id_any;
165 mp->sub_inner_vlan_id_any = sub->eth.flags.inner_vlan_id_any;
167 /* vlan tag rewrite data */
168 u32 vtr_op = L2_VTR_DISABLED;
169 u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
171 if (l2vtr_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
172 &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0)
174 // error - default to disabled
175 mp->vtr_op = ntohl (L2_VTR_DISABLED);
176 clib_warning ("cannot get vlan tag rewrite for sw_if_index %d",
181 mp->vtr_op = ntohl (vtr_op);
182 mp->vtr_push_dot1q = ntohl (vtr_push_dot1q);
183 mp->vtr_tag1 = ntohl (vtr_tag1);
184 mp->vtr_tag2 = ntohl (vtr_tag2);
188 /* pbb tag rewrite data */
189 ethernet_header_t eth_hdr;
190 u32 vtr_op = L2_VTR_DISABLED;
194 memset (ð_hdr, 0, sizeof (eth_hdr));
196 if (!l2pbb_get (am->vlib_main, am->vnet_main, swif->sw_if_index,
197 &vtr_op, &outer_tag, ð_hdr, &b_vlanid, &i_sid))
200 clib_memcpy (mp->b_dmac, eth_hdr.dst_address,
201 sizeof (eth_hdr.dst_address));
202 clib_memcpy (mp->b_smac, eth_hdr.src_address,
203 sizeof (eth_hdr.src_address));
204 mp->b_vlanid = b_vlanid;
208 u8 *tag = vnet_get_sw_interface_tag (vnet_get_main (), swif->sw_if_index);
210 strncpy ((char *) mp->tag, (char *) tag, ARRAY_LEN (mp->tag) - 1);
212 vl_api_send_msg (rp, (u8 *) mp);
216 vl_api_sw_interface_dump_t_handler (vl_api_sw_interface_dump_t * mp)
218 vpe_api_main_t *am = &vpe_api_main;
219 vnet_sw_interface_t *swif;
220 vnet_interface_main_t *im = &am->vnet_main->interface_main;
221 vl_api_registration_t *rp;
223 rp = vl_api_client_index_to_registration (mp->client_index);
227 clib_warning ("Client %d AWOL", mp->client_index);
231 u8 *filter = 0, *name = 0;
232 if (mp->name_filter_valid)
234 mp->name_filter[ARRAY_LEN (mp->name_filter) - 1] = 0;
235 filter = format (0, "%s%c", mp->name_filter, 0);
238 char *strcasestr (char *, char *); /* lnx hdr file botch */
240 pool_foreach (swif, im->sw_interfaces,
242 if (!vnet_swif_is_api_visible (swif))
244 vec_reset_length(name);
245 name = format (name, "%U%c", format_vnet_sw_interface_name, am->vnet_main,
248 if (filter && !strcasestr((char *) name, (char *) filter))
251 send_sw_interface_details (am, rp, swif, name, mp->context);
260 vl_api_sw_interface_add_del_address_t_handler
261 (vl_api_sw_interface_add_del_address_t * mp)
263 vlib_main_t *vm = vlib_get_main ();
264 vnet_main_t *vnm = vnet_get_main ();
265 vl_api_sw_interface_add_del_address_reply_t *rmp;
268 clib_error_t *error = 0;
270 VALIDATE_SW_IF_INDEX (mp);
272 is_del = mp->is_add == 0;
276 ip_del_all_interface_addresses (vm, ntohl (mp->sw_if_index));
277 else if (mp->is_ipv6)
278 error = ip6_add_del_interface_address (vm, ntohl (mp->sw_if_index),
279 (void *) mp->address,
280 mp->address_length, is_del);
282 error = ip4_add_del_interface_address (vm, ntohl (mp->sw_if_index),
283 (void *) mp->address,
284 mp->address_length, is_del);
289 clib_error_report (error);
293 BAD_SW_IF_INDEX_LABEL;
296 REPLY_MACRO (VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
299 void stats_dslock_with_hint (int hint, int tag) __attribute__ ((weak));
301 stats_dslock_with_hint (int hint, int tag)
305 void stats_dsunlock (void) __attribute__ ((weak));
307 stats_dsunlock (void)
312 vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t * mp)
314 vl_api_sw_interface_set_table_reply_t *rmp;
315 u32 sw_if_index = ntohl (mp->sw_if_index);
316 u32 table_id = ntohl (mp->vrf_id);
319 VALIDATE_SW_IF_INDEX (mp);
321 stats_dslock_with_hint (1 /* release hint */ , 4 /* tag */ );
324 rv = ip_table_bind (FIB_PROTOCOL_IP6, sw_if_index, table_id, 1);
326 rv = ip_table_bind (FIB_PROTOCOL_IP4, sw_if_index, table_id, 1);
330 BAD_SW_IF_INDEX_LABEL;
332 REPLY_MACRO (VL_API_SW_INTERFACE_SET_TABLE_REPLY);
336 ip_table_bind (fib_protocol_t fproto,
337 u32 sw_if_index, u32 table_id, u8 is_api)
339 CLIB_UNUSED (ip_interface_address_t * ia);
340 u32 fib_index, mfib_index;
346 src = FIB_SOURCE_API;
347 msrc = MFIB_SOURCE_API;
351 src = FIB_SOURCE_CLI;
352 msrc = MFIB_SOURCE_CLI;
356 * This is temporary whilst I do the song and dance with the CSIT version
360 fib_index = fib_table_find_or_create_and_lock (fproto, table_id, src);
362 mfib_table_find_or_create_and_lock (fproto, table_id, msrc);
371 * This if table does not exist = error is what we want in the end.
373 /* fib_index = fib_table_find (fproto, table_id); */
374 /* mfib_index = mfib_table_find (fproto, table_id); */
376 /* if (~0 == fib_index || ~0 == mfib_index) */
378 /* return (VNET_API_ERROR_NO_SUCH_FIB); */
381 if (FIB_PROTOCOL_IP6 == fproto)
384 * If the interface already has in IP address, then a change int
385 * VRF is not allowed. The IP address applied must first be removed.
386 * We do not do that automatically here, since VPP has no knowledge
387 * of whether thoses subnets are valid in the destination VRF.
390 foreach_ip_interface_address (&ip6_main.lookup_main,
392 1 /* honor unnumbered */ ,
394 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
398 vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
399 vec_validate (ip6_main.mfib_index_by_sw_if_index, sw_if_index);
402 * tell those that are interested that the binding is changing.
404 ip6_table_bind_callback_t *cb;
405 vec_foreach (cb, ip6_main.table_bind_callbacks)
406 cb->function (&ip6_main, cb->function_opaque,
409 ip6_main.fib_index_by_sw_if_index[sw_if_index]);
413 /* reset back to default */
414 if (0 != ip6_main.fib_index_by_sw_if_index[sw_if_index])
415 fib_table_unlock (ip6_main.fib_index_by_sw_if_index[sw_if_index],
416 FIB_PROTOCOL_IP6, src);
417 if (0 != ip6_main.mfib_index_by_sw_if_index[sw_if_index])
418 mfib_table_unlock (ip6_main.mfib_index_by_sw_if_index
419 [sw_if_index], FIB_PROTOCOL_IP6, msrc);
424 /* we need to lock the table now it's inuse */
425 fib_table_lock (fib_index, FIB_PROTOCOL_IP6, src);
426 mfib_table_lock (mfib_index, FIB_PROTOCOL_IP6, msrc);
429 ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
430 ip6_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
435 * If the interface already has in IP address, then a change int
436 * VRF is not allowed. The IP address applied must first be removed.
437 * We do not do that automatically here, since VPP has no knowledge
438 * of whether thoses subnets are valid in the destination VRF.
441 foreach_ip_interface_address (&ip4_main.lookup_main,
443 1 /* honor unnumbered */ ,
445 return (VNET_API_ERROR_ADDRESS_FOUND_FOR_INTERFACE);
449 vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
450 vec_validate (ip4_main.mfib_index_by_sw_if_index, sw_if_index);
453 * tell those that are interested that the binding is changing.
455 ip4_table_bind_callback_t *cb;
456 vec_foreach (cb, ip4_main.table_bind_callbacks)
457 cb->function (&ip4_main, cb->function_opaque,
460 ip4_main.fib_index_by_sw_if_index[sw_if_index]);
464 /* reset back to default */
465 if (0 != ip4_main.fib_index_by_sw_if_index[sw_if_index])
466 fib_table_unlock (ip4_main.fib_index_by_sw_if_index[sw_if_index],
467 FIB_PROTOCOL_IP4, src);
468 if (0 != ip4_main.mfib_index_by_sw_if_index[sw_if_index])
469 mfib_table_unlock (ip4_main.mfib_index_by_sw_if_index
470 [sw_if_index], FIB_PROTOCOL_IP4, msrc);
475 /* we need to lock the table now it's inuse */
476 fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
479 mfib_index = mfib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4,
483 ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
484 ip4_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index;
488 * Temporary. undo the locks from the find and create at the staart
492 fib_table_unlock (fib_index, fproto, src);
493 mfib_table_unlock (mfib_index, fproto, msrc);
500 send_sw_interface_get_table_reply (vl_api_registration_t * reg,
501 u32 context, int retval, u32 vrf_id)
503 vl_api_sw_interface_get_table_reply_t *mp;
505 mp = vl_msg_api_alloc (sizeof (*mp));
506 memset (mp, 0, sizeof (*mp));
507 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_GET_TABLE_REPLY);
508 mp->context = context;
509 mp->retval = htonl (retval);
510 mp->vrf_id = htonl (vrf_id);
512 vl_api_send_msg (reg, (u8 *) mp);
516 vl_api_sw_interface_get_table_t_handler (vl_api_sw_interface_get_table_t * mp)
518 vl_api_registration_t *reg;
519 fib_table_t *fib_table = 0;
520 u32 sw_if_index = ~0;
523 fib_protocol_t fib_proto = FIB_PROTOCOL_IP4;
526 reg = vl_api_client_index_to_registration (mp->client_index);
530 VALIDATE_SW_IF_INDEX (mp);
532 sw_if_index = ntohl (mp->sw_if_index);
535 fib_proto = FIB_PROTOCOL_IP6;
537 fib_index = fib_table_get_index_for_sw_if_index (fib_proto, sw_if_index);
540 fib_table = fib_table_get (fib_index, fib_proto);
541 table_id = fib_table->ft_table_id;
544 BAD_SW_IF_INDEX_LABEL;
546 send_sw_interface_get_table_reply (reg, mp->context, rv, table_id);
549 static void vl_api_sw_interface_set_unnumbered_t_handler
550 (vl_api_sw_interface_set_unnumbered_t * mp)
552 vl_api_sw_interface_set_unnumbered_reply_t *rmp;
554 vnet_main_t *vnm = vnet_get_main ();
555 u32 sw_if_index = ntohl (mp->sw_if_index);
556 u32 unnumbered_sw_if_index = ntohl (mp->unnumbered_sw_if_index);
559 * The API message field names are backwards from
560 * the underlying data structure names.
561 * It's not worth changing them now.
563 if (!vnet_sw_interface_is_api_valid (vnm, unnumbered_sw_if_index))
565 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
569 /* Only check the "use loop0" field when setting the binding */
570 if (mp->is_add && !vnet_sw_interface_is_api_valid (vnm, sw_if_index))
572 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
576 vnet_sw_interface_update_unnumbered (unnumbered_sw_if_index,
577 sw_if_index, mp->is_add);
579 REPLY_MACRO (VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
583 vl_api_sw_interface_clear_stats_t_handler (vl_api_sw_interface_clear_stats_t *
586 vl_api_sw_interface_clear_stats_reply_t *rmp;
588 vnet_main_t *vnm = vnet_get_main ();
589 vnet_interface_main_t *im = &vnm->interface_main;
590 vlib_simple_counter_main_t *sm;
591 vlib_combined_counter_main_t *cm;
592 static vnet_main_t **my_vnet_mains;
593 int i, j, n_counters;
596 if (mp->sw_if_index != ~0)
597 VALIDATE_SW_IF_INDEX (mp);
599 vec_reset_length (my_vnet_mains);
601 for (i = 0; i < vec_len (vnet_mains); i++)
604 vec_add1 (my_vnet_mains, vnet_mains[i]);
607 if (vec_len (vnet_mains) == 0)
608 vec_add1 (my_vnet_mains, vnm);
610 n_counters = vec_len (im->combined_sw_if_counters);
612 for (j = 0; j < n_counters; j++)
614 for (i = 0; i < vec_len (my_vnet_mains); i++)
616 im = &my_vnet_mains[i]->interface_main;
617 cm = im->combined_sw_if_counters + j;
618 if (mp->sw_if_index == (u32) ~ 0)
619 vlib_clear_combined_counters (cm);
621 vlib_zero_combined_counter (cm, ntohl (mp->sw_if_index));
625 n_counters = vec_len (im->sw_if_counters);
627 for (j = 0; j < n_counters; j++)
629 for (i = 0; i < vec_len (my_vnet_mains); i++)
631 im = &my_vnet_mains[i]->interface_main;
632 sm = im->sw_if_counters + j;
633 if (mp->sw_if_index == (u32) ~ 0)
634 vlib_clear_simple_counters (sm);
636 vlib_zero_simple_counter (sm, ntohl (mp->sw_if_index));
640 BAD_SW_IF_INDEX_LABEL;
642 REPLY_MACRO (VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
645 #define API_LINK_STATE_EVENT 1
646 #define API_ADMIN_UP_DOWN_EVENT 2
649 event_data_cmp (void *a1, void *a2)
654 return (word) e1[0] - (word) e2[0];
658 send_sw_interface_event (vpe_api_main_t * am,
659 vpe_client_registration_t * reg,
660 vl_api_registration_t * vl_reg,
661 vnet_sw_interface_t * swif)
663 vl_api_sw_interface_event_t *mp;
664 vnet_main_t *vnm = am->vnet_main;
666 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
668 mp = vl_msg_api_alloc (sizeof (*mp));
669 memset (mp, 0, sizeof (*mp));
670 mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
671 mp->sw_if_index = ntohl (swif->sw_if_index);
672 mp->client_index = reg->client_index;
673 mp->pid = reg->client_pid;
675 mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
676 mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ? 1 : 0;
677 vl_api_send_msg (vl_reg, (u8 *) mp);
681 link_state_process (vlib_main_t * vm,
682 vlib_node_runtime_t * rt, vlib_frame_t * f)
684 vpe_api_main_t *vam = &vpe_api_main;
685 vnet_main_t *vnm = vam->vnet_main;
686 vnet_sw_interface_t *swif;
687 uword *event_data = 0;
688 vpe_client_registration_t *reg;
690 u32 prev_sw_if_index;
691 vl_api_registration_t *vl_reg;
693 vam->link_state_process_up = 1;
697 vlib_process_wait_for_event (vm);
699 /* Unified list of changed link or admin state sw_if_indices */
700 vlib_process_get_events_with_type
701 (vm, &event_data, API_LINK_STATE_EVENT);
702 vlib_process_get_events_with_type
703 (vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
705 /* Sort, so we can eliminate duplicates */
706 vec_sort_with_function (event_data, event_data_cmp);
708 prev_sw_if_index = ~0;
710 for (i = 0; i < vec_len (event_data); i++)
712 /* Only one message per swif */
713 if (prev_sw_if_index == event_data[i])
715 prev_sw_if_index = event_data[i];
718 pool_foreach(reg, vam->interface_events_registrations,
720 vl_reg = vl_api_client_index_to_registration (reg->client_index);
723 /* sw_interface may be deleted already */
724 if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
727 swif = vnet_get_sw_interface (vnm, event_data[i]);
728 send_sw_interface_event (vam, reg, vl_reg, swif);
734 vec_reset_length (event_data);
740 static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
742 static clib_error_t *admin_up_down_function (vnet_main_t * vm,
743 u32 hw_if_index, u32 flags);
746 VLIB_REGISTER_NODE (link_state_process_node,static) = {
747 .function = link_state_process,
748 .type = VLIB_NODE_TYPE_PROCESS,
749 .name = "vpe-link-state-process",
753 VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
754 VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
756 static clib_error_t *
757 link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
759 vpe_api_main_t *vam = &vpe_api_main;
760 vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
762 if (vam->link_state_process_up)
763 vlib_process_signal_event (vam->vlib_main,
764 link_state_process_node.index,
765 API_LINK_STATE_EVENT, hi->sw_if_index);
769 static clib_error_t *
770 admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
772 vpe_api_main_t *vam = &vpe_api_main;
775 * Note: it's perfectly fair to set a subif admin up / admin down.
776 * Note the subtle distinction between this routine and the previous
779 if (vam->link_state_process_up)
780 vlib_process_signal_event (vam->vlib_main,
781 link_state_process_node.index,
782 API_ADMIN_UP_DOWN_EVENT, sw_if_index);
786 static void vl_api_sw_interface_tag_add_del_t_handler
787 (vl_api_sw_interface_tag_add_del_t * mp)
789 vnet_main_t *vnm = vnet_get_main ();
790 vl_api_sw_interface_tag_add_del_reply_t *rmp;
793 u32 sw_if_index = ntohl (mp->sw_if_index);
795 VALIDATE_SW_IF_INDEX (mp);
801 rv = VNET_API_ERROR_INVALID_VALUE;
805 mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
806 tag = format (0, "%s%c", mp->tag, 0);
807 vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
810 vnet_clear_sw_interface_tag (vnm, sw_if_index);
812 BAD_SW_IF_INDEX_LABEL;
814 REPLY_MACRO (VL_API_SW_INTERFACE_TAG_ADD_DEL_REPLY);
817 static void vl_api_sw_interface_set_mac_address_t_handler
818 (vl_api_sw_interface_set_mac_address_t * mp)
820 vl_api_sw_interface_set_mac_address_reply_t *rmp;
821 vnet_main_t *vnm = vnet_get_main ();
822 u32 sw_if_index = ntohl (mp->sw_if_index);
823 vnet_sw_interface_t *si;
827 VALIDATE_SW_IF_INDEX (mp);
829 si = vnet_get_sw_interface (vnm, sw_if_index);
830 error = vnet_hw_interface_change_mac_address (vnm, si->hw_if_index,
834 rv = VNET_API_ERROR_UNIMPLEMENTED;
835 clib_error_report (error);
839 BAD_SW_IF_INDEX_LABEL;
841 REPLY_MACRO (VL_API_SW_INTERFACE_SET_MAC_ADDRESS_REPLY);
844 static void vl_api_sw_interface_get_mac_address_t_handler
845 (vl_api_sw_interface_get_mac_address_t * mp)
847 vl_api_sw_interface_get_mac_address_reply_t *rmp;
848 vl_api_registration_t *reg;
849 vnet_main_t *vnm = vnet_get_main ();
850 u32 sw_if_index = ntohl (mp->sw_if_index);
851 vnet_sw_interface_t *si;
852 ethernet_interface_t *eth_if = 0;
855 VALIDATE_SW_IF_INDEX (mp);
857 si = vnet_get_sup_sw_interface (vnm, sw_if_index);
858 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
859 eth_if = ethernet_get_interface (ðernet_main, si->hw_if_index);
861 BAD_SW_IF_INDEX_LABEL;
863 reg = vl_api_client_index_to_registration (mp->client_index);
866 rmp = vl_msg_api_alloc (sizeof (*rmp));
867 rmp->_vl_msg_id = htons (VL_API_SW_INTERFACE_GET_MAC_ADDRESS_REPLY);
868 rmp->context = mp->context;
869 rmp->retval = htonl (rv);
871 memcpy (rmp->mac_address, eth_if->address, 6);
872 vl_api_send_msg (reg, (u8 *) rmp);
875 static void vl_api_sw_interface_set_rx_mode_t_handler
876 (vl_api_sw_interface_set_rx_mode_t * mp)
878 vl_api_sw_interface_set_rx_mode_reply_t *rmp;
879 vnet_main_t *vnm = vnet_get_main ();
880 u32 sw_if_index = ntohl (mp->sw_if_index);
881 vnet_sw_interface_t *si;
885 VALIDATE_SW_IF_INDEX (mp);
887 si = vnet_get_sw_interface (vnm, sw_if_index);
888 error = set_hw_interface_change_rx_mode (vnm, si->hw_if_index,
890 ntohl (mp->queue_id), mp->mode);
893 rv = VNET_API_ERROR_UNIMPLEMENTED;
894 clib_error_report (error);
898 BAD_SW_IF_INDEX_LABEL;
900 REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_MODE_REPLY);
904 vl_api_create_vlan_subif_t_handler (vl_api_create_vlan_subif_t * mp)
906 vl_api_create_vlan_subif_reply_t *rmp;
907 vnet_main_t *vnm = vnet_get_main ();
908 u32 sw_if_index = (u32) ~ 0;
909 vnet_hw_interface_t *hi;
912 vnet_sw_interface_t template;
914 vnet_interface_main_t *im = &vnm->interface_main;
916 vl_api_registration_t *reg;
919 VALIDATE_SW_IF_INDEX (mp);
921 hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
923 if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
925 rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
929 id = ntohl (mp->vlan_id);
930 if (id == 0 || id > 4095)
932 rv = VNET_API_ERROR_INVALID_VLAN;
936 sup_and_sub_key = ((u64) (hi->sw_if_index) << 32) | (u64) id;
938 p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
941 rv = VNET_API_ERROR_VLAN_ALREADY_EXISTS;
945 memset (&template, 0, sizeof (template));
946 template.type = VNET_SW_INTERFACE_TYPE_SUB;
947 template.sup_sw_if_index = hi->sw_if_index;
948 template.sub.id = id;
949 template.sub.eth.raw_flags = 0;
950 template.sub.eth.flags.one_tag = 1;
951 template.sub.eth.outer_vlan_id = id;
952 template.sub.eth.flags.exact_match = 1;
954 error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
957 clib_error_report (error);
958 rv = VNET_API_ERROR_INVALID_REGISTRATION;
962 u64 *kp = clib_mem_alloc (sizeof (*kp));
963 *kp = sup_and_sub_key;
965 hash_set (hi->sub_interface_sw_if_index_by_id, id, sw_if_index);
966 hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
968 BAD_SW_IF_INDEX_LABEL;
971 reg = vl_api_client_index_to_registration (mp->client_index);
975 rmp = vl_msg_api_alloc (sizeof (*rmp));
976 rmp->_vl_msg_id = htons (VL_API_CREATE_VLAN_SUBIF_REPLY);
977 rmp->context = mp->context;
978 rmp->retval = htonl (rv);
979 rmp->sw_if_index = htonl (sw_if_index);
980 vl_api_send_msg (reg, (u8 *) rmp);
984 vl_api_create_subif_t_handler (vl_api_create_subif_t * mp)
986 vl_api_create_subif_reply_t *rmp;
987 vnet_main_t *vnm = vnet_get_main ();
988 u32 sw_if_index = ~0;
991 vnet_sw_interface_t *si;
992 vnet_hw_interface_t *hi;
993 vnet_sw_interface_t template;
995 vnet_interface_main_t *im = &vnm->interface_main;
999 VALIDATE_SW_IF_INDEX (mp);
1001 si = vnet_get_sup_sw_interface (vnm, ntohl (mp->sw_if_index));
1002 hi = vnet_get_sup_hw_interface (vnm, ntohl (mp->sw_if_index));
1004 if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE)
1006 rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
1010 sw_if_index = si->sw_if_index;
1011 sub_id = ntohl (mp->sub_id);
1013 sup_and_sub_key = ((u64) (sw_if_index) << 32) | (u64) sub_id;
1015 p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1019 clib_warning ("sup sw_if_index %d, sub id %d already exists\n",
1020 sw_if_index, sub_id);
1021 rv = VNET_API_ERROR_SUBIF_ALREADY_EXISTS;
1025 memset (&template, 0, sizeof (template));
1026 template.type = VNET_SW_INTERFACE_TYPE_SUB;
1027 template.sup_sw_if_index = sw_if_index;
1028 template.sub.id = sub_id;
1029 template.sub.eth.flags.no_tags = mp->no_tags;
1030 template.sub.eth.flags.one_tag = mp->one_tag;
1031 template.sub.eth.flags.two_tags = mp->two_tags;
1032 template.sub.eth.flags.dot1ad = mp->dot1ad;
1033 template.sub.eth.flags.exact_match = mp->exact_match;
1034 template.sub.eth.flags.default_sub = mp->default_sub;
1035 template.sub.eth.flags.outer_vlan_id_any = mp->outer_vlan_id_any;
1036 template.sub.eth.flags.inner_vlan_id_any = mp->inner_vlan_id_any;
1037 template.sub.eth.outer_vlan_id = ntohs (mp->outer_vlan_id);
1038 template.sub.eth.inner_vlan_id = ntohs (mp->inner_vlan_id);
1040 error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
1043 clib_error_report (error);
1044 rv = VNET_API_ERROR_SUBIF_CREATE_FAILED;
1048 u64 *kp = clib_mem_alloc (sizeof (*kp));
1049 *kp = sup_and_sub_key;
1051 hash_set (hi->sub_interface_sw_if_index_by_id, sub_id, sw_if_index);
1052 hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1054 BAD_SW_IF_INDEX_LABEL;
1059 REPLY_MACRO2(VL_API_CREATE_SUBIF_REPLY,
1061 rmp->sw_if_index = ntohl(sw_if_index);
1067 vl_api_delete_subif_t_handler (vl_api_delete_subif_t * mp)
1069 vl_api_delete_subif_reply_t *rmp;
1072 rv = vnet_delete_sub_interface (ntohl (mp->sw_if_index));
1074 REPLY_MACRO (VL_API_DELETE_SUBIF_REPLY);
1078 vl_api_interface_name_renumber_t_handler (vl_api_interface_name_renumber_t *
1081 vl_api_interface_name_renumber_reply_t *rmp;
1084 VALIDATE_SW_IF_INDEX (mp);
1086 rv = vnet_interface_name_renumber
1087 (ntohl (mp->sw_if_index), ntohl (mp->new_show_dev_instance));
1089 BAD_SW_IF_INDEX_LABEL;
1091 REPLY_MACRO (VL_API_INTERFACE_NAME_RENUMBER_REPLY);
1095 vl_api_create_loopback_t_handler (vl_api_create_loopback_t * mp)
1097 vl_api_create_loopback_reply_t *rmp;
1101 rv = vnet_create_loopback_interface (&sw_if_index, mp->mac_address, 0, 0);
1104 REPLY_MACRO2(VL_API_CREATE_LOOPBACK_REPLY,
1106 rmp->sw_if_index = ntohl (sw_if_index);
1111 static void vl_api_create_loopback_instance_t_handler
1112 (vl_api_create_loopback_instance_t * mp)
1114 vl_api_create_loopback_instance_reply_t *rmp;
1116 u8 is_specified = mp->is_specified;
1117 u32 user_instance = ntohl (mp->user_instance);
1120 rv = vnet_create_loopback_interface (&sw_if_index, mp->mac_address,
1121 is_specified, user_instance);
1124 REPLY_MACRO2(VL_API_CREATE_LOOPBACK_INSTANCE_REPLY,
1126 rmp->sw_if_index = ntohl (sw_if_index);
1132 vl_api_delete_loopback_t_handler (vl_api_delete_loopback_t * mp)
1134 vl_api_delete_loopback_reply_t *rmp;
1138 sw_if_index = ntohl (mp->sw_if_index);
1139 rv = vnet_delete_loopback_interface (sw_if_index);
1141 REPLY_MACRO (VL_API_DELETE_LOOPBACK_REPLY);
1145 vl_api_collect_detailed_interface_stats_t_handler
1146 (vl_api_collect_detailed_interface_stats_t * mp)
1148 vl_api_collect_detailed_interface_stats_reply_t *rmp;
1152 vnet_sw_interface_stats_collect_enable_disable (ntohl (mp->sw_if_index),
1153 mp->enable_disable);
1155 REPLY_MACRO (VL_API_COLLECT_DETAILED_INTERFACE_STATS_REPLY);
1160 * Add vpe's API message handlers to the table.
1161 * vlib has alread mapped shared memory and
1162 * added the client registration handlers.
1163 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
1165 #define vl_msg_name_crc_list
1166 #include <vnet/interface.api.h>
1167 #undef vl_msg_name_crc_list
1170 setup_message_id_table (api_main_t * am)
1172 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1173 foreach_vl_msg_name_crc_interface;
1177 pub_sub_handler (interface_events, INTERFACE_EVENTS);
1179 static clib_error_t *
1180 interface_api_hookup (vlib_main_t * vm)
1182 api_main_t *am = &api_main;
1185 vl_msg_api_set_handlers(VL_API_##N, #n, \
1186 vl_api_##n##_t_handler, \
1188 vl_api_##n##_t_endian, \
1189 vl_api_##n##_t_print, \
1190 sizeof(vl_api_##n##_t), 1);
1191 foreach_vpe_api_msg;
1195 * Set up the (msg_name, crc, message-id) table
1197 setup_message_id_table (am);
1202 VLIB_API_INIT_FUNCTION (interface_api_hookup);
1205 * fd.io coding-style-patch-verification: ON
1208 * eval: (c-set-style "gnu")