2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 * interface.c: VNET interfaces/sub-interfaces
18 * Copyright (c) 2008 Eliot Dresselhaus
20 * Permission is hereby granted, free of charge, to any person obtaining
21 * a copy of this software and associated documentation files (the
22 * "Software"), to deal in the Software without restriction, including
23 * without limitation the rights to use, copy, modify, merge, publish,
24 * distribute, sublicense, and/or sell copies of the Software, and to
25 * permit persons to whom the Software is furnished to do so, subject to
26 * the following conditions:
28 * The above copyright notice and this permission notice shall be
29 * included in all copies or substantial portions of the Software.
31 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
40 #include <vnet/vnet.h>
41 #include <vnet/plugin/plugin.h>
42 #include <vnet/fib/ip6_fib.h>
43 #include <vnet/adj/adj.h>
44 #include <vnet/adj/adj_mcast.h>
45 #include <vnet/l2/l2_input.h>
47 typedef enum vnet_interface_helper_flags_t_
49 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE = (1 << 0),
50 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE = (1 << 1),
51 } vnet_interface_helper_flags_t;
53 static clib_error_t *vnet_hw_interface_set_flags_helper (vnet_main_t * vnm,
55 vnet_hw_interface_flags_t
57 vnet_interface_helper_flags_t
60 static clib_error_t *vnet_sw_interface_set_flags_helper (vnet_main_t * vnm,
62 vnet_sw_interface_flags_t
64 vnet_interface_helper_flags_t
67 static clib_error_t *vnet_hw_interface_set_class_helper (vnet_main_t * vnm,
74 /* Either sw or hw interface index. */
79 } vnet_sw_hw_interface_state_t;
82 serialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m, va_list * va)
84 vnet_sw_hw_interface_state_t *s =
85 va_arg (*va, vnet_sw_hw_interface_state_t *);
86 u32 n = va_arg (*va, u32);
88 for (i = 0; i < n; i++)
90 serialize_integer (m, s[i].sw_hw_if_index,
91 sizeof (s[i].sw_hw_if_index));
92 serialize_integer (m, s[i].flags, sizeof (s[i].flags));
97 unserialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m,
100 vnet_sw_hw_interface_state_t *s =
101 va_arg (*va, vnet_sw_hw_interface_state_t *);
102 u32 n = va_arg (*va, u32);
104 for (i = 0; i < n; i++)
106 unserialize_integer (m, &s[i].sw_hw_if_index,
107 sizeof (s[i].sw_hw_if_index));
108 unserialize_integer (m, &s[i].flags, sizeof (s[i].flags));
112 static vnet_sw_interface_flags_t
113 vnet_hw_interface_flags_to_sw (vnet_hw_interface_flags_t hwf)
115 vnet_sw_interface_flags_t swf = VNET_SW_INTERFACE_FLAG_NONE;
117 if (hwf & VNET_HW_INTERFACE_FLAG_LINK_UP)
118 swf |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
124 serialize_vnet_interface_state (serialize_main_t * m, va_list * va)
126 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
127 vnet_sw_hw_interface_state_t *sts = 0, *st;
128 vnet_sw_interface_t *sif;
129 vnet_hw_interface_t *hif;
130 vnet_interface_main_t *im = &vnm->interface_main;
132 /* Serialize hardware interface classes since they may have changed.
133 Must do this before sending up/down flags. */
135 pool_foreach (hif, im->hw_interfaces, ({
136 vnet_hw_interface_class_t * hw_class = vnet_get_hw_interface_class (vnm, hif->hw_class_index);
137 serialize_cstring (m, hw_class->name);
141 /* Send sw/hw interface state when non-zero. */
143 pool_foreach (sif, im->sw_interfaces, ({
146 vec_add2 (sts, st, 1);
147 st->sw_hw_if_index = sif->sw_if_index;
148 st->flags = sif->flags;
153 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
159 pool_foreach (hif, im->hw_interfaces, ({
162 vec_add2 (sts, st, 1);
163 st->sw_hw_if_index = hif->hw_if_index;
164 st->flags = vnet_hw_interface_flags_to_sw(hif->flags);
169 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
174 static vnet_hw_interface_flags_t
175 vnet_sw_interface_flags_to_hw (vnet_sw_interface_flags_t swf)
177 vnet_hw_interface_flags_t hwf = VNET_HW_INTERFACE_FLAG_NONE;
179 if (swf & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
180 hwf |= VNET_HW_INTERFACE_FLAG_LINK_UP;
186 unserialize_vnet_interface_state (serialize_main_t * m, va_list * va)
188 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
189 vnet_sw_hw_interface_state_t *sts = 0, *st;
191 /* First set interface hardware class. */
193 vnet_interface_main_t *im = &vnm->interface_main;
194 vnet_hw_interface_t *hif;
200 pool_foreach (hif, im->hw_interfaces, ({
201 unserialize_cstring (m, &class_name);
202 p = hash_get_mem (im->hw_interface_class_by_name, class_name);
204 error = vnet_hw_interface_set_class_helper (vnm, hif->hw_if_index, p[0], /* redistribute */ 0);
206 clib_error_report (error);
207 vec_free (class_name);
212 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
213 vec_foreach (st, sts)
214 vnet_sw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
215 /* no distribute */ 0);
218 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
219 vec_foreach (st, sts)
221 vnet_hw_interface_set_flags_helper
222 (vnm, st->sw_hw_if_index, vnet_sw_interface_flags_to_hw (st->flags),
223 /* no distribute */ 0);
228 static clib_error_t *
229 call_elf_section_interface_callbacks (vnet_main_t * vnm, u32 if_index,
231 _vnet_interface_function_list_elt_t **
234 _vnet_interface_function_list_elt_t *elt;
235 vnet_interface_function_priority_t prio;
236 clib_error_t *error = 0;
238 for (prio = VNET_ITF_FUNC_PRIORITY_LOW;
239 prio <= VNET_ITF_FUNC_PRIORITY_HIGH; prio++)
245 error = elt->fp (vnm, if_index, flags);
248 elt = elt->next_interface_function;
254 static clib_error_t *
255 call_hw_interface_add_del_callbacks (vnet_main_t * vnm, u32 hw_if_index,
258 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
259 vnet_hw_interface_class_t *hw_class =
260 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
261 vnet_device_class_t *dev_class =
262 vnet_get_device_class (vnm, hi->dev_class_index);
263 clib_error_t *error = 0;
265 if (hw_class->interface_add_del_function
267 hw_class->interface_add_del_function (vnm, hw_if_index, is_create)))
270 if (dev_class->interface_add_del_function
272 dev_class->interface_add_del_function (vnm, hw_if_index,
276 error = call_elf_section_interface_callbacks
277 (vnm, hw_if_index, is_create, vnm->hw_interface_add_del_functions);
282 static clib_error_t *
283 call_sw_interface_add_del_callbacks (vnet_main_t * vnm, u32 sw_if_index,
286 return call_elf_section_interface_callbacks
287 (vnm, sw_if_index, is_create, vnm->sw_interface_add_del_functions);
290 static clib_error_t *
291 vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
292 vnet_hw_interface_flags_t flags,
293 vnet_interface_helper_flags_t
296 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
297 vnet_hw_interface_class_t *hw_class =
298 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
300 clib_error_t *error = 0;
302 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
305 (VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK);
308 /* Call hardware interface add/del callbacks. */
310 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
312 /* Already in the desired state? */
313 if (!is_create && (hi->flags & mask) == flags)
316 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
317 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
319 /* Do hardware class (e.g. ethernet). */
320 if (hw_class->link_up_down_function
321 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
325 error = call_elf_section_interface_callbacks
326 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
339 static clib_error_t *
340 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
341 vnet_sw_interface_flags_t flags,
342 vnet_interface_helper_flags_t
345 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
347 clib_error_t *error = 0;
349 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
352 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
358 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
362 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
364 /* Notify everyone when the interface is created as admin up */
365 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
368 sw_interface_admin_up_down_functions);
375 vnet_sw_interface_t *si_sup = si;
377 /* Check that super interface is in correct state. */
378 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
380 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
382 /* Check to see if we're bringing down the soft interface and if it's parent is up */
383 if ((flags != (si_sup->flags & mask)) &&
385 && ((si_sup->flags & mask) ==
386 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
388 error = clib_error_return (0, "super-interface %U must be %U",
389 format_vnet_sw_interface_name, vnm,
391 format_vnet_sw_interface_flags,
397 /* Already in the desired state? */
398 if ((si->flags & mask) == flags)
401 /* Sub-interfaces of hardware interfaces that do no redistribute,
402 do not redistribute themselves. */
403 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
405 vnet_hw_interface_t *hi =
406 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
407 vnet_device_class_t *dev_class =
408 vnet_get_device_class (vnm, hi->dev_class_index);
409 if (!dev_class->redistribute)
411 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
414 /* set the flags now before invoking the registered clients
415 * so that the state they query is consistent with the state here notified */
416 old_flags = si->flags;
419 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
420 error = call_elf_section_interface_callbacks
421 (vnm, sw_if_index, flags,
422 vnm->sw_interface_admin_up_down_functions);
426 /* restore flags on error */
427 si->flags = old_flags;
431 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
433 vnet_hw_interface_t *hi =
434 vnet_get_hw_interface (vnm, si->hw_if_index);
435 vnet_hw_interface_class_t *hw_class =
436 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
437 vnet_device_class_t *dev_class =
438 vnet_get_device_class (vnm, hi->dev_class_index);
440 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
441 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
443 error = clib_error_return (0, "Interface in the error state");
447 /* save the si admin up flag */
448 old_flags = si->flags;
450 /* update si admin up flag in advance if we are going admin down */
451 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
452 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
454 if (dev_class->admin_up_down_function
455 && (error = dev_class->admin_up_down_function (vnm,
459 /* restore si admin up flag to it's original state on errors */
460 si->flags = old_flags;
464 if (hw_class->admin_up_down_function
465 && (error = hw_class->admin_up_down_function (vnm,
469 /* restore si admin up flag to it's original state on errors */
470 si->flags = old_flags;
474 /* Admin down implies link down. */
475 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
476 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
477 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
479 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
492 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
493 vnet_hw_interface_flags_t flags)
495 return vnet_hw_interface_set_flags_helper
496 (vnm, hw_if_index, flags,
497 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
501 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
502 vnet_sw_interface_flags_t flags)
504 return vnet_sw_interface_set_flags_helper
505 (vnm, sw_if_index, flags,
506 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
510 vnet_sw_interface_admin_up (vnet_main_t * vnm, u32 sw_if_index)
512 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
514 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
516 flags |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
517 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
522 vnet_sw_interface_admin_down (vnet_main_t * vnm, u32 sw_if_index)
524 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
526 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
528 flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
529 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
534 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
535 vnet_sw_interface_t * template)
537 vnet_interface_main_t *im = &vnm->interface_main;
538 vnet_sw_interface_t *sw;
541 pool_get (im->sw_interfaces, sw);
542 sw_if_index = sw - im->sw_interfaces;
547 sw->sw_if_index = sw_if_index;
548 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
549 sw->sup_sw_if_index = sw->sw_if_index;
551 /* Allocate counters for this interface. */
555 vnet_interface_counter_lock (im);
557 for (i = 0; i < vec_len (im->sw_if_counters); i++)
559 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
560 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
563 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
565 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
567 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
571 vnet_interface_counter_unlock (im);
578 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
582 vnet_hw_interface_t *hi;
583 vnet_device_class_t *dev_class;
585 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
586 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
588 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
589 dev_class->subif_add_del_function)
591 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
592 (struct vnet_sw_interface_t
598 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
599 error = vnet_sw_interface_set_flags_helper
600 (vnm, *sw_if_index, template->flags,
601 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
605 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
606 vnet_interface_main_t *im = &vnm->interface_main;
607 vnet_sw_interface_t *sw =
608 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
609 pool_put (im->sw_interfaces, sw);
616 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
618 vnet_interface_main_t *im = &vnm->interface_main;
619 vnet_sw_interface_t *sw =
620 pool_elt_at_index (im->sw_interfaces, sw_if_index);
622 /* Check if the interface has config and is removed from L2 BD or XConnect */
623 vlib_main_t *vm = vlib_get_main ();
624 l2_input_config_t *config;
625 if (sw_if_index < vec_len (l2input_main.configs))
627 config = vec_elt_at_index (l2input_main.configs, sw_if_index);
628 if (config->xconnect)
629 set_int_l2_mode (vm, vnm, MODE_L3, config->output_sw_if_index, 0,
630 L2_BD_PORT_TYPE_NORMAL, 0, 0);
631 if (config->xconnect || config->bridge)
632 set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0,
633 L2_BD_PORT_TYPE_NORMAL, 0, 0);
635 vnet_clear_sw_interface_tag (vnm, sw_if_index);
637 /* Bring down interface in case it is up. */
639 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
641 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
643 pool_put (im->sw_interfaces, sw);
646 static clib_error_t *
647 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
649 return call_elf_section_interface_callbacks
650 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
654 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
656 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
658 if (si->mtu[VNET_MTU_L3] != mtu)
660 si->mtu[VNET_MTU_L3] = mtu;
661 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
666 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
669 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
670 bool changed = false;
673 for (i = 0; i < VNET_N_MTU; i++)
675 if (si->mtu[i] != mtu[i])
681 /* Notify interested parties */
683 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
687 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
688 u32 sw_if_index, u8 enable)
690 vnet_sw_interface_t *si;
692 si = vnet_get_sw_interface (vnm, sw_if_index);
695 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
697 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
699 ip4_directed_broadcast (sw_if_index, enable);
703 * Reflect a change in hardware MTU on protocol MTUs
706 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
709 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
710 return WALK_CONTINUE;
714 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
716 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
718 if (hi->max_packet_bytes != mtu)
720 hi->max_packet_bytes = mtu;
721 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
722 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
728 setup_tx_node (vlib_main_t * vm,
729 u32 node_index, vnet_device_class_t * dev_class)
731 vlib_node_t *n = vlib_get_node (vm, node_index);
733 n->function = dev_class->tx_function;
734 n->format_trace = dev_class->format_tx_trace;
736 vlib_register_errors (vm, node_index,
737 dev_class->tx_function_n_errors,
738 dev_class->tx_function_error_strings);
742 setup_output_node (vlib_main_t * vm,
743 u32 node_index, vnet_hw_interface_class_t * hw_class)
745 vlib_node_t *n = vlib_get_node (vm, node_index);
746 n->format_buffer = hw_class->format_header;
747 n->unformat_buffer = hw_class->unformat_header;
750 /* Register an interface instance. */
752 vnet_register_interface (vnet_main_t * vnm,
755 u32 hw_class_index, u32 hw_instance)
757 vnet_interface_main_t *im = &vnm->interface_main;
758 vnet_hw_interface_t *hw;
759 vnet_device_class_t *dev_class =
760 vnet_get_device_class (vnm, dev_class_index);
761 vnet_hw_interface_class_t *hw_class =
762 vnet_get_hw_interface_class (vnm, hw_class_index);
763 vlib_main_t *vm = vnm->vlib_main;
764 vnet_feature_config_main_t *fcm;
765 vnet_config_main_t *cm;
767 char *tx_node_name = NULL, *output_node_name = NULL;
769 pool_get (im->hw_interfaces, hw);
770 clib_memset (hw, 0, sizeof (*hw));
772 hw_index = hw - im->hw_interfaces;
773 hw->hw_if_index = hw_index;
774 hw->default_rx_mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
776 if (dev_class->format_device_name)
777 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
778 else if (hw_class->format_interface_name)
779 hw->name = format (0, "%U", hw_class->format_interface_name,
782 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
784 if (!im->hw_interface_by_name)
785 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
786 sizeof (hw->name[0]),
789 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
791 /* Make hardware interface point to software interface. */
793 vnet_sw_interface_t sw = {
794 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
795 .flood_class = VNET_FLOOD_CLASS_NORMAL,
796 .hw_if_index = hw_index
798 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
801 hw->dev_class_index = dev_class_index;
802 hw->dev_instance = dev_instance;
803 hw->hw_class_index = hw_class_index;
804 hw->hw_instance = hw_instance;
806 hw->max_rate_bits_per_sec = 0;
807 hw->min_packet_bytes = 0;
808 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
810 if (dev_class->tx_function == 0)
811 goto no_output_nodes; /* No output/tx nodes to create */
813 tx_node_name = (char *) format (0, "%v-tx", hw->name);
814 output_node_name = (char *) format (0, "%v-output", hw->name);
816 /* If we have previously deleted interface nodes, re-use them. */
817 if (vec_len (im->deleted_hw_interface_nodes) > 0)
819 vnet_hw_interface_nodes_t *hn;
821 vlib_node_runtime_t *nrt;
823 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
825 hw->tx_node_index = hn->tx_node_index;
826 hw->output_node_index = hn->output_node_index;
828 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
829 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
833 vnet_interface_output_runtime_t *rt;
835 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
836 ASSERT (rt->is_deleted == 1);
838 rt->hw_if_index = hw_index;
839 rt->sw_if_index = hw->sw_if_index;
840 rt->dev_instance = hw->dev_instance;
842 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
843 rt->hw_if_index = hw_index;
844 rt->sw_if_index = hw->sw_if_index;
845 rt->dev_instance = hw->dev_instance;
849 /* The new class may differ from the old one.
850 * Functions have to be updated. */
851 node = vlib_get_node (vm, hw->output_node_index);
852 node->function = vnet_interface_output_node;
853 node->format_trace = format_vnet_interface_output_trace;
856 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
857 nrt->function = node->function;
861 node = vlib_get_node (vm, hw->tx_node_index);
862 node->function = dev_class->tx_function;
863 node->format_trace = dev_class->format_tx_trace;
866 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
867 nrt->function = node->function;
871 _vec_len (im->deleted_hw_interface_nodes) -= 1;
875 vlib_node_registration_t r;
876 vnet_interface_output_runtime_t rt = {
877 .hw_if_index = hw_index,
878 .sw_if_index = hw->sw_if_index,
879 .dev_instance = hw->dev_instance,
883 clib_memset (&r, 0, sizeof (r));
884 r.type = VLIB_NODE_TYPE_INTERNAL;
885 r.runtime_data = &rt;
886 r.runtime_data_bytes = sizeof (rt);
888 r.vector_size = sizeof (u32);
890 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
891 r.name = tx_node_name;
892 r.function = dev_class->tx_function;
894 hw->tx_node_index = vlib_register_node (vm, &r);
896 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
898 VNET_INTERFACE_TX_NEXT_DROP);
901 r.name = output_node_name;
902 r.function = vnet_interface_output_node;
903 r.format_trace = format_vnet_interface_output_trace;
908 "interface is deleted",
909 "no buffers to segment GSO",
912 r.n_errors = ARRAY_LEN (e);
915 hw->output_node_index = vlib_register_node (vm, &r);
917 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
919 VNET_INTERFACE_OUTPUT_NEXT_DROP);
920 vlib_node_add_next_with_slot (vm, hw->output_node_index,
922 VNET_INTERFACE_OUTPUT_NEXT_TX);
924 /* add interface to the list of "output-interface" feature arc start nodes
925 and clone nexts from 1st interface if it exists */
926 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
927 cm = &fcm->config_main;
928 i = vec_len (cm->start_node_indices);
929 vec_validate (cm->start_node_indices, i);
930 cm->start_node_indices[i] = hw->output_node_index;
933 /* copy nexts from 1st interface */
934 vnet_hw_interface_t *first_hw;
935 vlib_node_t *first_node;
937 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
938 first_node = vlib_get_node (vm, first_hw->output_node_index);
940 /* 1st 2 nexts are already added above */
941 for (i = 2; i < vec_len (first_node->next_nodes); i++)
942 vlib_node_add_next_with_slot (vm, hw->output_node_index,
943 first_node->next_nodes[i], i);
947 setup_output_node (vm, hw->output_node_index, hw_class);
948 setup_tx_node (vm, hw->tx_node_index, dev_class);
951 /* Call all up/down callbacks with zero flags when interface is created. */
952 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
953 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
954 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
955 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
956 vec_free (tx_node_name);
957 vec_free (output_node_name);
963 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
965 vnet_interface_main_t *im = &vnm->interface_main;
966 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
967 vlib_main_t *vm = vnm->vlib_main;
968 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
969 hw->dev_class_index);
970 /* If it is up, mark it down. */
972 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
974 /* Call delete callbacks. */
975 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
977 /* Delete any sub-interfaces. */
981 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
983 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
984 u64 sup_and_sub_key =
985 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
986 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
987 vnet_delete_sw_interface (vnm, sw_if_index);
989 hash_free (hw->sub_interface_sw_if_index_by_id);
993 /* Delete software interface corresponding to hardware interface. */
994 vnet_delete_sw_interface (vnm, hw->sw_if_index);
996 if (dev_class->tx_function)
998 /* Put output/tx nodes into recycle pool */
999 vnet_hw_interface_nodes_t *dn;
1004 vnet_interface_output_runtime_t *rt =
1005 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
1007 /* Mark node runtime as deleted so output node (if called)
1008 * will drop packets. */
1013 vlib_node_rename (vm, hw->output_node_index,
1014 "interface-%d-output-deleted", hw_if_index);
1015 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
1017 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
1018 dn->tx_node_index = hw->tx_node_index;
1019 dn->output_node_index = hw->output_node_index;
1022 hash_unset_mem (im->hw_interface_by_name, hw->name);
1023 vec_free (hw->name);
1024 vec_free (hw->hw_address);
1025 vec_free (hw->input_node_thread_index_by_queue);
1026 vec_free (hw->dq_runtime_index_by_queue);
1028 pool_put (im->hw_interfaces, hw);
1032 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1034 vnet_hw_sw_interface_walk_t fn, void *ctx)
1036 vnet_hw_interface_t *hi;
1037 u32 id, sw_if_index;
1039 hi = vnet_get_hw_interface (vnm, hw_if_index);
1040 /* the super first, then the sub interfaces */
1041 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1045 hash_foreach (id, sw_if_index,
1046 hi->sub_interface_sw_if_index_by_id,
1048 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1055 vnet_hw_interface_walk (vnet_main_t * vnm,
1056 vnet_hw_interface_walk_t fn, void *ctx)
1058 vnet_interface_main_t *im;
1059 vnet_hw_interface_t *hi;
1061 im = &vnm->interface_main;
1064 pool_foreach (hi, im->hw_interfaces,
1066 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1073 vnet_sw_interface_walk (vnet_main_t * vnm,
1074 vnet_sw_interface_walk_t fn, void *ctx)
1076 vnet_interface_main_t *im;
1077 vnet_sw_interface_t *si;
1079 im = &vnm->interface_main;
1082 pool_foreach (si, im->sw_interfaces,
1084 if (WALK_STOP == fn (vnm, si, ctx))
1091 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1092 u32 hw_class_index, u32 hw_instance)
1094 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1095 vnet_hw_interface_class_t *hc =
1096 vnet_get_hw_interface_class (vnm, hw_class_index);
1098 hi->hw_class_index = hw_class_index;
1099 hi->hw_instance = hw_instance;
1100 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1103 static clib_error_t *
1104 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1105 u32 hw_class_index, u32 redistribute)
1107 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1108 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1109 vnet_hw_interface_class_t *old_class =
1110 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1111 vnet_hw_interface_class_t *new_class =
1112 vnet_get_hw_interface_class (vnm, hw_class_index);
1113 vnet_device_class_t *dev_class =
1114 vnet_get_device_class (vnm, hi->dev_class_index);
1115 clib_error_t *error = 0;
1117 /* New class equals old class? Nothing to do. */
1118 if (hi->hw_class_index == hw_class_index)
1121 /* No need (and incorrect since admin up flag may be set) to do error checking when
1122 receiving unserialize message. */
1125 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1126 return clib_error_return (0,
1127 "%v must be admin down to change class from %s to %s",
1128 hi->name, old_class->name, new_class->name);
1130 /* Make sure interface supports given class. */
1131 if ((new_class->is_valid_class_for_interface
1132 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1134 || (dev_class->is_valid_class_for_interface
1135 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1137 return clib_error_return (0,
1138 "%v class cannot be changed from %s to %s",
1139 hi->name, old_class->name, new_class->name);
1143 if (old_class->hw_class_change)
1144 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1147 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1150 if (new_class->hw_class_change)
1151 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1154 if (dev_class->hw_class_change)
1155 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1161 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1164 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1165 /* redistribute */ 1);
1169 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1174 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1175 vnet_device_class_t *dev_class = vnet_get_device_class
1176 (vnm, hi->dev_class_index);
1178 if (dev_class->rx_redirect_to_node)
1180 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1184 return VNET_API_ERROR_UNIMPLEMENTED;
1188 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1191 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1193 1 /* redistribute */ );
1197 vnet_sw_interface_compare (vnet_main_t * vnm,
1198 uword sw_if_index0, uword sw_if_index1)
1200 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1201 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1202 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1203 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1206 return vec_cmp (h0->name, h1->name);
1207 return (word) h0->hw_instance - (word) h1->hw_instance;
1211 vnet_hw_interface_compare (vnet_main_t * vnm,
1212 uword hw_if_index0, uword hw_if_index1)
1214 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1215 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1218 return vec_cmp (h0->name, h1->name);
1219 return (word) h0->hw_instance - (word) h1->hw_instance;
1223 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1225 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1226 if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
1227 (si->type == VNET_SW_INTERFACE_TYPE_PIPE))
1230 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1231 vnet_hw_interface_class_t *hc =
1232 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1234 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1238 vnet_interface_init (vlib_main_t * vm)
1240 vnet_main_t *vnm = vnet_get_main ();
1241 vnet_interface_main_t *im = &vnm->interface_main;
1242 vlib_buffer_t *b = 0;
1243 vnet_buffer_opaque_t *o = 0;
1244 clib_error_t *error;
1247 * Keep people from shooting themselves in the foot.
1249 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1251 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1253 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1254 #a, sizeof(o->a), sizeof (o->unused));
1255 foreach_buffer_opaque_union_subtype;
1258 return clib_error_return
1259 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1260 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1263 clib_spinlock_init (&im->sw_if_counter_lock);
1264 clib_spinlock_lock (&im->sw_if_counter_lock); /* should be no need */
1266 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1268 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1269 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1270 foreach_simple_interface_counter_name
1272 vec_validate (im->combined_sw_if_counters,
1273 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1275 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1276 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1277 foreach_combined_interface_counter_name
1279 clib_spinlock_unlock (&im->sw_if_counter_lock);
1281 im->device_class_by_name = hash_create_string ( /* size */ 0,
1284 vnet_device_class_t *c;
1286 c = vnm->device_class_registrations;
1290 c->index = vec_len (im->device_classes);
1291 hash_set_mem (im->device_class_by_name, c->name, c->index);
1293 if (c->tx_fn_registrations)
1295 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1298 /* to avoid confusion, please remove ".tx_function" statement
1299 from VNET_DEVICE_CLASS() if using function candidates */
1300 ASSERT (c->tx_function == 0);
1304 if (fnr->priority > priority)
1306 priority = fnr->priority;
1307 c->tx_function = fnr->function;
1309 fnr = fnr->next_registration;
1313 vec_add1 (im->device_classes, c[0]);
1314 c = c->next_class_registration;
1318 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1321 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1324 vnet_hw_interface_class_t *c;
1326 c = vnm->hw_interface_class_registrations;
1330 c->index = vec_len (im->hw_interface_classes);
1331 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1333 if (NULL == c->build_rewrite)
1334 c->build_rewrite = default_build_rewrite;
1335 if (NULL == c->update_adjacency)
1336 c->update_adjacency = default_update_adjacency;
1338 vec_add1 (im->hw_interface_classes, c[0]);
1339 c = c->next_class_registration;
1343 im->gso_interface_count = 0;
1344 /* init per-thread data */
1345 vec_validate_aligned (im->per_thread_data, vlib_num_workers (),
1346 CLIB_CACHE_LINE_BYTES);
1348 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1351 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1353 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1354 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1361 VLIB_INIT_FUNCTION (vnet_interface_init);
1363 /* Kludge to renumber interface names [only!] */
1365 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1368 vnet_main_t *vnm = vnet_get_main ();
1369 vnet_interface_main_t *im = &vnm->interface_main;
1370 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1372 vnet_device_class_t *dev_class = vnet_get_device_class
1373 (vnm, hi->dev_class_index);
1375 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1376 return VNET_API_ERROR_UNIMPLEMENTED;
1378 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1383 hash_unset_mem (im->hw_interface_by_name, hi->name);
1384 vec_free (hi->name);
1385 /* Use the mapping we set up to call it Ishmael */
1386 hi->name = format (0, "%U", dev_class->format_device_name,
1389 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1394 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1396 vnet_interface_main_t *im = &vnm->interface_main;
1397 vlib_main_t *vm = vnm->vlib_main;
1398 vnet_hw_interface_t *hw;
1400 clib_error_t *error = 0;
1402 hw = vnet_get_hw_interface (vnm, hw_if_index);
1405 return clib_error_return (0,
1406 "unable to find hw interface for index %u",
1410 old_name = hw->name;
1412 /* set new hw->name */
1413 hw->name = format (0, "%s", new_name);
1415 /* remove the old name to hw_if_index mapping and install the new one */
1416 hash_unset_mem (im->hw_interface_by_name, old_name);
1417 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1419 /* rename tx/output nodes */
1420 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1421 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1423 /* free the old name vector */
1424 vec_free (old_name);
1429 static clib_error_t *
1430 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1432 const u8 * mac_address)
1434 clib_error_t *error = 0;
1435 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1439 u8 *old_address = vec_dup (hi->hw_address);
1440 vnet_device_class_t *dev_class =
1441 vnet_get_device_class (vnm, hi->dev_class_index);
1442 if (dev_class->mac_addr_change_function)
1445 dev_class->mac_addr_change_function (hi, old_address,
1450 vnet_hw_interface_class_t *hw_class;
1452 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1454 if (NULL != hw_class->mac_addr_change_function)
1455 hw_class->mac_addr_change_function (hi, old_address, mac_address);
1460 clib_error_return (0,
1461 "MAC Address Change is not supported on this interface");
1463 vec_free (old_address);
1468 clib_error_return (0,
1469 "mac address change is not supported for interface index %u",
1476 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1477 const u8 * mac_address)
1479 return vnet_hw_interface_change_mac_address_helper
1480 (vnm, hw_if_index, mac_address);
1483 /* update the unnumbered state of an interface*/
1485 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1486 u32 ip_sw_if_index, u8 enable)
1488 vnet_main_t *vnm = vnet_get_main ();
1489 vnet_sw_interface_t *si;
1492 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1493 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1497 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1498 si->unnumbered_sw_if_index = ip_sw_if_index;
1500 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1501 [unnumbered_sw_if_index] =
1503 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1505 lookup_main.if_address_pool_index_by_sw_if_index
1506 [unnumbered_sw_if_index] =
1508 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1512 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1513 si->unnumbered_sw_if_index = (u32) ~ 0;
1515 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1516 [unnumbered_sw_if_index] = ~0;
1517 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1518 [unnumbered_sw_if_index] = ~0;
1521 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1523 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1524 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1528 vnet_l3_packet_type_t
1529 vnet_link_to_l3_proto (vnet_link_t link)
1534 return (VNET_L3_PACKET_TYPE_IP4);
1536 return (VNET_L3_PACKET_TYPE_IP6);
1537 case VNET_LINK_MPLS:
1538 return (VNET_L3_PACKET_TYPE_MPLS);
1540 return (VNET_L3_PACKET_TYPE_ARP);
1541 case VNET_LINK_ETHERNET:
1551 vnet_link_to_mtu (vnet_link_t link)
1556 return (VNET_MTU_IP4);
1558 return (VNET_MTU_IP6);
1559 case VNET_LINK_MPLS:
1560 return (VNET_MTU_MPLS);
1562 return (VNET_MTU_L3);
1567 default_build_rewrite (vnet_main_t * vnm,
1569 vnet_link_t link_type, const void *dst_address)
1575 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1577 ip_adjacency_t *adj;
1581 switch (adj->lookup_next_index)
1583 case IP_LOOKUP_NEXT_GLEAN:
1584 adj_glean_update_rewrite (ai);
1586 case IP_LOOKUP_NEXT_ARP:
1587 case IP_LOOKUP_NEXT_BCAST:
1589 * default rewrite in neighbour adj
1591 adj_nbr_update_rewrite
1593 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1594 vnet_build_rewrite_for_sw_interface (vnm,
1596 adj_get_link_type (ai), NULL));
1598 case IP_LOOKUP_NEXT_MCAST:
1600 * mcast traffic also uses default rewrite string with no mcast
1601 * switch time updates.
1603 adj_mcast_update_rewrite
1605 vnet_build_rewrite_for_sw_interface (vnm,
1607 adj_get_link_type (ai),
1610 case IP_LOOKUP_NEXT_DROP:
1611 case IP_LOOKUP_NEXT_PUNT:
1612 case IP_LOOKUP_NEXT_LOCAL:
1613 case IP_LOOKUP_NEXT_REWRITE:
1614 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1615 case IP_LOOKUP_NEXT_MIDCHAIN:
1616 case IP_LOOKUP_NEXT_ICMP_ERROR:
1617 case IP_LOOKUP_N_NEXT:
1623 int collect_detailed_interface_stats_flag = 0;
1626 collect_detailed_interface_stats_flag_set (void)
1628 collect_detailed_interface_stats_flag = 1;
1632 collect_detailed_interface_stats_flag_clear (void)
1634 collect_detailed_interface_stats_flag = 0;
1637 static clib_error_t *
1638 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1639 unformat_input_t * input,
1640 vlib_cli_command_t * cmd)
1642 unformat_input_t _line_input, *line_input = &_line_input;
1643 clib_error_t *error = NULL;
1645 /* Get a line of input. */
1646 if (!unformat_user (input, unformat_line_input, line_input))
1647 return clib_error_return (0, "expected enable | disable");
1649 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1651 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1652 collect_detailed_interface_stats_flag_set ();
1653 else if (unformat (line_input, "disable")
1654 || unformat (line_input, "off"))
1655 collect_detailed_interface_stats_flag_clear ();
1658 error = clib_error_return (0, "unknown input `%U'",
1659 format_unformat_error, line_input);
1665 unformat_free (line_input);
1670 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1671 .path = "interface collect detailed-stats",
1672 .short_help = "interface collect detailed-stats <enable|disable>",
1673 .function = collect_detailed_interface_stats_cli,
1678 * fd.io coding-style-patch-verification: ON
1681 * eval: (c-set-style "gnu")