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 /* Do not change state for slave link of bonded interfaces */
398 if (si->flags & VNET_SW_INTERFACE_FLAG_BOND_SLAVE)
400 error = clib_error_return
401 (0, "not allowed as %U belong to a BondEthernet interface",
402 format_vnet_sw_interface_name, vnm, si);
406 /* Already in the desired state? */
407 if ((si->flags & mask) == flags)
410 /* Sub-interfaces of hardware interfaces that do no redistribute,
411 do not redistribute themselves. */
412 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
414 vnet_hw_interface_t *hi =
415 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
416 vnet_device_class_t *dev_class =
417 vnet_get_device_class (vnm, hi->dev_class_index);
418 if (!dev_class->redistribute)
420 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
423 /* set the flags now before invoking the registered clients
424 * so that the state they query is consistent with the state here notified */
425 old_flags = si->flags;
428 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
429 error = call_elf_section_interface_callbacks
430 (vnm, sw_if_index, flags,
431 vnm->sw_interface_admin_up_down_functions);
435 /* restore flags on error */
436 si->flags = old_flags;
440 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
442 vnet_hw_interface_t *hi =
443 vnet_get_hw_interface (vnm, si->hw_if_index);
444 vnet_hw_interface_class_t *hw_class =
445 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
446 vnet_device_class_t *dev_class =
447 vnet_get_device_class (vnm, hi->dev_class_index);
449 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
450 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
452 error = clib_error_return (0, "Interface in the error state");
456 /* save the si admin up flag */
457 old_flags = si->flags;
459 /* update si admin up flag in advance if we are going admin down */
460 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
461 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
463 if (dev_class->admin_up_down_function
464 && (error = dev_class->admin_up_down_function (vnm,
468 /* restore si admin up flag to it's original state on errors */
469 si->flags = old_flags;
473 if (hw_class->admin_up_down_function
474 && (error = hw_class->admin_up_down_function (vnm,
478 /* restore si admin up flag to it's original state on errors */
479 si->flags = old_flags;
483 /* Admin down implies link down. */
484 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
485 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
486 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
488 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
501 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
502 vnet_hw_interface_flags_t flags)
504 return vnet_hw_interface_set_flags_helper
505 (vnm, hw_if_index, flags,
506 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
510 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
511 vnet_sw_interface_flags_t flags)
513 return vnet_sw_interface_set_flags_helper
514 (vnm, sw_if_index, flags,
515 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
519 vnet_sw_interface_admin_up (vnet_main_t * vnm, u32 sw_if_index)
521 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
523 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
525 flags |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
526 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
531 vnet_sw_interface_admin_down (vnet_main_t * vnm, u32 sw_if_index)
533 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
535 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
537 flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
538 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
543 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
544 vnet_sw_interface_t * template)
546 vnet_interface_main_t *im = &vnm->interface_main;
547 vnet_sw_interface_t *sw;
550 pool_get (im->sw_interfaces, sw);
551 sw_if_index = sw - im->sw_interfaces;
556 sw->sw_if_index = sw_if_index;
557 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
558 sw->sup_sw_if_index = sw->sw_if_index;
560 /* Allocate counters for this interface. */
564 vnet_interface_counter_lock (im);
566 for (i = 0; i < vec_len (im->sw_if_counters); i++)
568 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
569 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
572 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
574 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
576 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
580 vnet_interface_counter_unlock (im);
587 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
591 vnet_hw_interface_t *hi;
592 vnet_device_class_t *dev_class;
594 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
595 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
597 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
598 dev_class->subif_add_del_function)
600 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
601 (struct vnet_sw_interface_t
607 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
608 error = vnet_sw_interface_set_flags_helper
609 (vnm, *sw_if_index, template->flags,
610 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
614 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
615 vnet_interface_main_t *im = &vnm->interface_main;
616 vnet_sw_interface_t *sw =
617 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
618 pool_put (im->sw_interfaces, sw);
625 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
627 vnet_interface_main_t *im = &vnm->interface_main;
628 vnet_sw_interface_t *sw =
629 pool_elt_at_index (im->sw_interfaces, sw_if_index);
631 /* Check if the interface has config and is removed from L2 BD or XConnect */
632 vlib_main_t *vm = vlib_get_main ();
633 l2_input_config_t *config;
634 if (sw_if_index < vec_len (l2input_main.configs))
636 config = vec_elt_at_index (l2input_main.configs, sw_if_index);
637 if (config->xconnect)
638 set_int_l2_mode (vm, vnm, MODE_L3, config->output_sw_if_index, 0,
639 L2_BD_PORT_TYPE_NORMAL, 0, 0);
640 if (config->xconnect || config->bridge)
641 set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0,
642 L2_BD_PORT_TYPE_NORMAL, 0, 0);
644 vnet_clear_sw_interface_tag (vnm, sw_if_index);
646 /* Bring down interface in case it is up. */
648 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
650 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
652 pool_put (im->sw_interfaces, sw);
655 static clib_error_t *
656 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
658 return call_elf_section_interface_callbacks
659 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
663 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
665 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
667 if (si->mtu[VNET_MTU_L3] != mtu)
669 si->mtu[VNET_MTU_L3] = mtu;
670 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
675 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
678 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
679 bool changed = false;
682 for (i = 0; i < VNET_N_MTU; i++)
684 if (si->mtu[i] != mtu[i])
690 /* Notify interested parties */
692 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
696 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
697 u32 sw_if_index, u8 enable)
699 vnet_sw_interface_t *si;
701 si = vnet_get_sw_interface (vnm, sw_if_index);
704 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
706 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
708 ip4_directed_broadcast (sw_if_index, enable);
712 * Reflect a change in hardware MTU on protocol MTUs
715 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
718 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
719 return WALK_CONTINUE;
723 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
725 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
727 if (hi->max_packet_bytes != mtu)
729 hi->max_packet_bytes = mtu;
730 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
731 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
737 setup_tx_node (vlib_main_t * vm,
738 u32 node_index, vnet_device_class_t * dev_class)
740 vlib_node_t *n = vlib_get_node (vm, node_index);
742 n->function = dev_class->tx_function;
743 n->format_trace = dev_class->format_tx_trace;
745 vlib_register_errors (vm, node_index,
746 dev_class->tx_function_n_errors,
747 dev_class->tx_function_error_strings);
751 setup_output_node (vlib_main_t * vm,
752 u32 node_index, vnet_hw_interface_class_t * hw_class)
754 vlib_node_t *n = vlib_get_node (vm, node_index);
755 n->format_buffer = hw_class->format_header;
756 n->unformat_buffer = hw_class->unformat_header;
759 /* Register an interface instance. */
761 vnet_register_interface (vnet_main_t * vnm,
764 u32 hw_class_index, u32 hw_instance)
766 vnet_interface_main_t *im = &vnm->interface_main;
767 vnet_hw_interface_t *hw;
768 vnet_device_class_t *dev_class =
769 vnet_get_device_class (vnm, dev_class_index);
770 vnet_hw_interface_class_t *hw_class =
771 vnet_get_hw_interface_class (vnm, hw_class_index);
772 vlib_main_t *vm = vnm->vlib_main;
773 vnet_feature_config_main_t *fcm;
774 vnet_config_main_t *cm;
776 char *tx_node_name = NULL, *output_node_name = NULL;
778 pool_get (im->hw_interfaces, hw);
779 clib_memset (hw, 0, sizeof (*hw));
781 hw_index = hw - im->hw_interfaces;
782 hw->hw_if_index = hw_index;
783 hw->default_rx_mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
785 if (dev_class->format_device_name)
786 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
787 else if (hw_class->format_interface_name)
788 hw->name = format (0, "%U", hw_class->format_interface_name,
791 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
793 if (!im->hw_interface_by_name)
794 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
795 sizeof (hw->name[0]),
798 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
800 /* Make hardware interface point to software interface. */
802 vnet_sw_interface_t sw = {
803 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
804 .flood_class = VNET_FLOOD_CLASS_NORMAL,
805 .hw_if_index = hw_index
807 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
810 hw->dev_class_index = dev_class_index;
811 hw->dev_instance = dev_instance;
812 hw->hw_class_index = hw_class_index;
813 hw->hw_instance = hw_instance;
815 hw->max_rate_bits_per_sec = 0;
816 hw->min_packet_bytes = 0;
817 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
819 if (dev_class->tx_function == 0)
820 goto no_output_nodes; /* No output/tx nodes to create */
822 tx_node_name = (char *) format (0, "%v-tx", hw->name);
823 output_node_name = (char *) format (0, "%v-output", hw->name);
825 /* If we have previously deleted interface nodes, re-use them. */
826 if (vec_len (im->deleted_hw_interface_nodes) > 0)
828 vnet_hw_interface_nodes_t *hn;
830 vlib_node_runtime_t *nrt;
832 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
834 hw->tx_node_index = hn->tx_node_index;
835 hw->output_node_index = hn->output_node_index;
837 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
838 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
842 vnet_interface_output_runtime_t *rt;
844 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
845 ASSERT (rt->is_deleted == 1);
847 rt->hw_if_index = hw_index;
848 rt->sw_if_index = hw->sw_if_index;
849 rt->dev_instance = hw->dev_instance;
851 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
852 rt->hw_if_index = hw_index;
853 rt->sw_if_index = hw->sw_if_index;
854 rt->dev_instance = hw->dev_instance;
858 /* The new class may differ from the old one.
859 * Functions have to be updated. */
860 node = vlib_get_node (vm, hw->output_node_index);
861 node->function = vnet_interface_output_node;
862 node->format_trace = format_vnet_interface_output_trace;
865 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
866 nrt->function = node->function;
870 node = vlib_get_node (vm, hw->tx_node_index);
871 node->function = dev_class->tx_function;
872 node->format_trace = dev_class->format_tx_trace;
875 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
876 nrt->function = node->function;
880 _vec_len (im->deleted_hw_interface_nodes) -= 1;
884 vlib_node_registration_t r;
885 vnet_interface_output_runtime_t rt = {
886 .hw_if_index = hw_index,
887 .sw_if_index = hw->sw_if_index,
888 .dev_instance = hw->dev_instance,
892 clib_memset (&r, 0, sizeof (r));
893 r.type = VLIB_NODE_TYPE_INTERNAL;
894 r.runtime_data = &rt;
895 r.runtime_data_bytes = sizeof (rt);
897 r.vector_size = sizeof (u32);
899 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
900 r.name = tx_node_name;
901 r.function = dev_class->tx_function;
903 hw->tx_node_index = vlib_register_node (vm, &r);
905 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
907 VNET_INTERFACE_TX_NEXT_DROP);
910 r.name = output_node_name;
911 r.function = vnet_interface_output_node;
912 r.format_trace = format_vnet_interface_output_trace;
917 "interface is deleted",
918 "no buffers to segment GSO",
921 r.n_errors = ARRAY_LEN (e);
924 hw->output_node_index = vlib_register_node (vm, &r);
926 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
928 VNET_INTERFACE_OUTPUT_NEXT_DROP);
929 vlib_node_add_next_with_slot (vm, hw->output_node_index,
931 VNET_INTERFACE_OUTPUT_NEXT_TX);
933 /* add interface to the list of "output-interface" feature arc start nodes
934 and clone nexts from 1st interface if it exists */
935 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
936 cm = &fcm->config_main;
937 i = vec_len (cm->start_node_indices);
938 vec_validate (cm->start_node_indices, i);
939 cm->start_node_indices[i] = hw->output_node_index;
942 /* copy nexts from 1st interface */
943 vnet_hw_interface_t *first_hw;
944 vlib_node_t *first_node;
946 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
947 first_node = vlib_get_node (vm, first_hw->output_node_index);
949 /* 1st 2 nexts are already added above */
950 for (i = 2; i < vec_len (first_node->next_nodes); i++)
951 vlib_node_add_next_with_slot (vm, hw->output_node_index,
952 first_node->next_nodes[i], i);
956 setup_output_node (vm, hw->output_node_index, hw_class);
957 setup_tx_node (vm, hw->tx_node_index, dev_class);
960 /* Call all up/down callbacks with zero flags when interface is created. */
961 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
962 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
963 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
964 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
965 vec_free (tx_node_name);
966 vec_free (output_node_name);
972 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
974 vnet_interface_main_t *im = &vnm->interface_main;
975 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
976 vlib_main_t *vm = vnm->vlib_main;
977 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
978 hw->dev_class_index);
979 /* If it is up, mark it down. */
981 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
983 /* Call delete callbacks. */
984 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
986 /* Delete any sub-interfaces. */
990 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
992 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
993 u64 sup_and_sub_key =
994 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
995 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
996 vnet_delete_sw_interface (vnm, sw_if_index);
998 hash_free (hw->sub_interface_sw_if_index_by_id);
1002 /* Delete software interface corresponding to hardware interface. */
1003 vnet_delete_sw_interface (vnm, hw->sw_if_index);
1005 if (dev_class->tx_function)
1007 /* Put output/tx nodes into recycle pool */
1008 vnet_hw_interface_nodes_t *dn;
1013 vnet_interface_output_runtime_t *rt =
1014 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
1016 /* Mark node runtime as deleted so output node (if called)
1017 * will drop packets. */
1022 vlib_node_rename (vm, hw->output_node_index,
1023 "interface-%d-output-deleted", hw_if_index);
1024 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
1026 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
1027 dn->tx_node_index = hw->tx_node_index;
1028 dn->output_node_index = hw->output_node_index;
1031 hash_unset_mem (im->hw_interface_by_name, hw->name);
1032 vec_free (hw->name);
1033 vec_free (hw->hw_address);
1034 vec_free (hw->input_node_thread_index_by_queue);
1035 vec_free (hw->dq_runtime_index_by_queue);
1037 pool_put (im->hw_interfaces, hw);
1041 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1043 vnet_hw_sw_interface_walk_t fn, void *ctx)
1045 vnet_hw_interface_t *hi;
1046 u32 id, sw_if_index;
1048 hi = vnet_get_hw_interface (vnm, hw_if_index);
1049 /* the super first, then the sub interfaces */
1050 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1054 hash_foreach (id, sw_if_index,
1055 hi->sub_interface_sw_if_index_by_id,
1057 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1064 vnet_hw_interface_walk (vnet_main_t * vnm,
1065 vnet_hw_interface_walk_t fn, void *ctx)
1067 vnet_interface_main_t *im;
1068 vnet_hw_interface_t *hi;
1070 im = &vnm->interface_main;
1073 pool_foreach (hi, im->hw_interfaces,
1075 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1082 vnet_sw_interface_walk (vnet_main_t * vnm,
1083 vnet_sw_interface_walk_t fn, void *ctx)
1085 vnet_interface_main_t *im;
1086 vnet_sw_interface_t *si;
1088 im = &vnm->interface_main;
1091 pool_foreach (si, im->sw_interfaces,
1093 if (WALK_STOP == fn (vnm, si, ctx))
1100 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1101 u32 hw_class_index, u32 hw_instance)
1103 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1104 vnet_hw_interface_class_t *hc =
1105 vnet_get_hw_interface_class (vnm, hw_class_index);
1107 hi->hw_class_index = hw_class_index;
1108 hi->hw_instance = hw_instance;
1109 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1112 static clib_error_t *
1113 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1114 u32 hw_class_index, u32 redistribute)
1116 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1117 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1118 vnet_hw_interface_class_t *old_class =
1119 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1120 vnet_hw_interface_class_t *new_class =
1121 vnet_get_hw_interface_class (vnm, hw_class_index);
1122 vnet_device_class_t *dev_class =
1123 vnet_get_device_class (vnm, hi->dev_class_index);
1124 clib_error_t *error = 0;
1126 /* New class equals old class? Nothing to do. */
1127 if (hi->hw_class_index == hw_class_index)
1130 /* No need (and incorrect since admin up flag may be set) to do error checking when
1131 receiving unserialize message. */
1134 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1135 return clib_error_return (0,
1136 "%v must be admin down to change class from %s to %s",
1137 hi->name, old_class->name, new_class->name);
1139 /* Make sure interface supports given class. */
1140 if ((new_class->is_valid_class_for_interface
1141 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1143 || (dev_class->is_valid_class_for_interface
1144 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1146 return clib_error_return (0,
1147 "%v class cannot be changed from %s to %s",
1148 hi->name, old_class->name, new_class->name);
1152 if (old_class->hw_class_change)
1153 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1156 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1159 if (new_class->hw_class_change)
1160 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1163 if (dev_class->hw_class_change)
1164 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1170 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1173 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1174 /* redistribute */ 1);
1178 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1183 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1184 vnet_device_class_t *dev_class = vnet_get_device_class
1185 (vnm, hi->dev_class_index);
1187 if (dev_class->rx_redirect_to_node)
1189 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1193 return VNET_API_ERROR_UNIMPLEMENTED;
1197 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1200 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1202 1 /* redistribute */ );
1206 vnet_sw_interface_compare (vnet_main_t * vnm,
1207 uword sw_if_index0, uword sw_if_index1)
1209 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1210 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1211 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1212 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1215 return vec_cmp (h0->name, h1->name);
1216 return (word) h0->hw_instance - (word) h1->hw_instance;
1220 vnet_hw_interface_compare (vnet_main_t * vnm,
1221 uword hw_if_index0, uword hw_if_index1)
1223 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1224 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1227 return vec_cmp (h0->name, h1->name);
1228 return (word) h0->hw_instance - (word) h1->hw_instance;
1232 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1234 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1235 if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
1236 (si->type == VNET_SW_INTERFACE_TYPE_PIPE))
1239 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1240 vnet_hw_interface_class_t *hc =
1241 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1243 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1247 vnet_interface_init (vlib_main_t * vm)
1249 vnet_main_t *vnm = vnet_get_main ();
1250 vnet_interface_main_t *im = &vnm->interface_main;
1251 vlib_buffer_t *b = 0;
1252 vnet_buffer_opaque_t *o = 0;
1253 clib_error_t *error;
1256 * Keep people from shooting themselves in the foot.
1258 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1260 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1262 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1263 #a, sizeof(o->a), sizeof (o->unused));
1264 foreach_buffer_opaque_union_subtype;
1267 return clib_error_return
1268 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1269 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1272 im->sw_if_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
1273 CLIB_CACHE_LINE_BYTES);
1274 im->sw_if_counter_lock[0] = 1; /* should be no need */
1276 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1278 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1279 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1280 foreach_simple_interface_counter_name
1282 vec_validate (im->combined_sw_if_counters,
1283 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1285 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1286 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1287 foreach_combined_interface_counter_name
1289 im->sw_if_counter_lock[0] = 0;
1291 im->device_class_by_name = hash_create_string ( /* size */ 0,
1294 vnet_device_class_t *c;
1296 c = vnm->device_class_registrations;
1300 c->index = vec_len (im->device_classes);
1301 hash_set_mem (im->device_class_by_name, c->name, c->index);
1303 if (c->tx_fn_registrations)
1305 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1308 /* to avoid confusion, please remove ".tx_function" statement
1309 from VNET_DEVICE_CLASS() if using function candidates */
1310 ASSERT (c->tx_function == 0);
1314 if (fnr->priority > priority)
1316 priority = fnr->priority;
1317 c->tx_function = fnr->function;
1319 fnr = fnr->next_registration;
1323 vec_add1 (im->device_classes, c[0]);
1324 c = c->next_class_registration;
1328 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1331 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1334 vnet_hw_interface_class_t *c;
1336 c = vnm->hw_interface_class_registrations;
1340 c->index = vec_len (im->hw_interface_classes);
1341 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1343 if (NULL == c->build_rewrite)
1344 c->build_rewrite = default_build_rewrite;
1345 if (NULL == c->update_adjacency)
1346 c->update_adjacency = default_update_adjacency;
1348 vec_add1 (im->hw_interface_classes, c[0]);
1349 c = c->next_class_registration;
1353 im->gso_interface_count = 0;
1354 /* init per-thread data */
1355 vec_validate_aligned (im->per_thread_data, vlib_num_workers (),
1356 CLIB_CACHE_LINE_BYTES);
1358 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1361 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1363 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1364 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1371 VLIB_INIT_FUNCTION (vnet_interface_init);
1373 /* Kludge to renumber interface names [only!] */
1375 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1378 vnet_main_t *vnm = vnet_get_main ();
1379 vnet_interface_main_t *im = &vnm->interface_main;
1380 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1382 vnet_device_class_t *dev_class = vnet_get_device_class
1383 (vnm, hi->dev_class_index);
1385 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1386 return VNET_API_ERROR_UNIMPLEMENTED;
1388 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1393 hash_unset_mem (im->hw_interface_by_name, hi->name);
1394 vec_free (hi->name);
1395 /* Use the mapping we set up to call it Ishmael */
1396 hi->name = format (0, "%U", dev_class->format_device_name,
1399 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1404 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1406 vnet_interface_main_t *im = &vnm->interface_main;
1407 vlib_main_t *vm = vnm->vlib_main;
1408 vnet_hw_interface_t *hw;
1410 clib_error_t *error = 0;
1412 hw = vnet_get_hw_interface (vnm, hw_if_index);
1415 return clib_error_return (0,
1416 "unable to find hw interface for index %u",
1420 old_name = hw->name;
1422 /* set new hw->name */
1423 hw->name = format (0, "%s", new_name);
1425 /* remove the old name to hw_if_index mapping and install the new one */
1426 hash_unset_mem (im->hw_interface_by_name, old_name);
1427 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1429 /* rename tx/output nodes */
1430 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1431 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1433 /* free the old name vector */
1434 vec_free (old_name);
1439 static clib_error_t *
1440 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1442 const u8 * mac_address)
1444 clib_error_t *error = 0;
1445 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1449 u8 *old_address = vec_dup (hi->hw_address);
1450 vnet_device_class_t *dev_class =
1451 vnet_get_device_class (vnm, hi->dev_class_index);
1452 if (dev_class->mac_addr_change_function)
1455 dev_class->mac_addr_change_function (hi, old_address,
1460 vnet_hw_interface_class_t *hw_class;
1462 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1464 if (NULL != hw_class->mac_addr_change_function)
1465 hw_class->mac_addr_change_function (hi, old_address, mac_address);
1470 clib_error_return (0,
1471 "MAC Address Change is not supported on this interface");
1473 vec_free (old_address);
1478 clib_error_return (0,
1479 "mac address change is not supported for interface index %u",
1486 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1487 const u8 * mac_address)
1489 return vnet_hw_interface_change_mac_address_helper
1490 (vnm, hw_if_index, mac_address);
1493 /* update the unnumbered state of an interface*/
1495 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1496 u32 ip_sw_if_index, u8 enable)
1498 vnet_main_t *vnm = vnet_get_main ();
1499 vnet_sw_interface_t *si;
1502 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1503 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1507 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1508 si->unnumbered_sw_if_index = ip_sw_if_index;
1510 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1511 [unnumbered_sw_if_index] =
1513 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1515 lookup_main.if_address_pool_index_by_sw_if_index
1516 [unnumbered_sw_if_index] =
1518 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1522 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1523 si->unnumbered_sw_if_index = (u32) ~ 0;
1525 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1526 [unnumbered_sw_if_index] = ~0;
1527 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1528 [unnumbered_sw_if_index] = ~0;
1531 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1533 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1534 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1538 vnet_l3_packet_type_t
1539 vnet_link_to_l3_proto (vnet_link_t link)
1544 return (VNET_L3_PACKET_TYPE_IP4);
1546 return (VNET_L3_PACKET_TYPE_IP6);
1547 case VNET_LINK_MPLS:
1548 return (VNET_L3_PACKET_TYPE_MPLS);
1550 return (VNET_L3_PACKET_TYPE_ARP);
1551 case VNET_LINK_ETHERNET:
1561 vnet_link_to_mtu (vnet_link_t link)
1566 return (VNET_MTU_IP4);
1568 return (VNET_MTU_IP6);
1569 case VNET_LINK_MPLS:
1570 return (VNET_MTU_MPLS);
1572 return (VNET_MTU_L3);
1577 default_build_rewrite (vnet_main_t * vnm,
1579 vnet_link_t link_type, const void *dst_address)
1585 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1587 ip_adjacency_t *adj;
1591 switch (adj->lookup_next_index)
1593 case IP_LOOKUP_NEXT_GLEAN:
1594 adj_glean_update_rewrite (ai);
1596 case IP_LOOKUP_NEXT_ARP:
1597 case IP_LOOKUP_NEXT_BCAST:
1599 * default rewrite in neighbour adj
1601 adj_nbr_update_rewrite
1603 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1604 vnet_build_rewrite_for_sw_interface (vnm,
1606 adj_get_link_type (ai), NULL));
1608 case IP_LOOKUP_NEXT_MCAST:
1610 * mcast traffic also uses default rewrite string with no mcast
1611 * switch time updates.
1613 adj_mcast_update_rewrite
1615 vnet_build_rewrite_for_sw_interface (vnm,
1617 adj_get_link_type (ai),
1620 case IP_LOOKUP_NEXT_DROP:
1621 case IP_LOOKUP_NEXT_PUNT:
1622 case IP_LOOKUP_NEXT_LOCAL:
1623 case IP_LOOKUP_NEXT_REWRITE:
1624 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1625 case IP_LOOKUP_NEXT_MIDCHAIN:
1626 case IP_LOOKUP_NEXT_ICMP_ERROR:
1627 case IP_LOOKUP_N_NEXT:
1633 int collect_detailed_interface_stats_flag = 0;
1636 collect_detailed_interface_stats_flag_set (void)
1638 collect_detailed_interface_stats_flag = 1;
1642 collect_detailed_interface_stats_flag_clear (void)
1644 collect_detailed_interface_stats_flag = 0;
1647 static clib_error_t *
1648 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1649 unformat_input_t * input,
1650 vlib_cli_command_t * cmd)
1652 unformat_input_t _line_input, *line_input = &_line_input;
1653 clib_error_t *error = NULL;
1655 /* Get a line of input. */
1656 if (!unformat_user (input, unformat_line_input, line_input))
1657 return clib_error_return (0, "expected enable | disable");
1659 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1661 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1662 collect_detailed_interface_stats_flag_set ();
1663 else if (unformat (line_input, "disable")
1664 || unformat (line_input, "off"))
1665 collect_detailed_interface_stats_flag_clear ();
1668 error = clib_error_return (0, "unknown input `%U'",
1669 format_unformat_error, line_input);
1675 unformat_free (line_input);
1680 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1681 .path = "interface collect detailed-stats",
1682 .short_help = "interface collect detailed-stats <enable|disable>",
1683 .function = collect_detailed_interface_stats_cli,
1688 * fd.io coding-style-patch-verification: ON
1691 * eval: (c-set-style "gnu")