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);
205 error = vnet_hw_interface_set_class_helper
206 (vnm, hif->hw_if_index, p[0], /* redistribute */ 0);
209 error = clib_error_return (0, "hw class %s AWOL?", class_name);
212 clib_error_report (error);
213 vec_free (class_name);
218 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
219 vec_foreach (st, sts)
220 vnet_sw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
221 /* no distribute */ 0);
224 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
225 vec_foreach (st, sts)
227 vnet_hw_interface_set_flags_helper
228 (vnm, st->sw_hw_if_index, vnet_sw_interface_flags_to_hw (st->flags),
229 /* no distribute */ 0);
234 static clib_error_t *
235 call_elf_section_interface_callbacks (vnet_main_t * vnm, u32 if_index,
237 _vnet_interface_function_list_elt_t **
240 _vnet_interface_function_list_elt_t *elt;
241 vnet_interface_function_priority_t prio;
242 clib_error_t *error = 0;
244 for (prio = VNET_ITF_FUNC_PRIORITY_LOW;
245 prio <= VNET_ITF_FUNC_PRIORITY_HIGH; prio++)
251 error = elt->fp (vnm, if_index, flags);
254 elt = elt->next_interface_function;
260 static clib_error_t *
261 call_hw_interface_add_del_callbacks (vnet_main_t * vnm, u32 hw_if_index,
264 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
265 vnet_hw_interface_class_t *hw_class =
266 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
267 vnet_device_class_t *dev_class =
268 vnet_get_device_class (vnm, hi->dev_class_index);
269 clib_error_t *error = 0;
271 if (hw_class->interface_add_del_function
273 hw_class->interface_add_del_function (vnm, hw_if_index, is_create)))
276 if (dev_class->interface_add_del_function
278 dev_class->interface_add_del_function (vnm, hw_if_index,
282 error = call_elf_section_interface_callbacks
283 (vnm, hw_if_index, is_create, vnm->hw_interface_add_del_functions);
288 static clib_error_t *
289 call_sw_interface_add_del_callbacks (vnet_main_t * vnm, u32 sw_if_index,
292 return call_elf_section_interface_callbacks
293 (vnm, sw_if_index, is_create, vnm->sw_interface_add_del_functions);
296 static clib_error_t *
297 vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
298 vnet_hw_interface_flags_t flags,
299 vnet_interface_helper_flags_t
302 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
303 vnet_hw_interface_class_t *hw_class =
304 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
306 clib_error_t *error = 0;
308 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
311 (VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK);
314 /* Call hardware interface add/del callbacks. */
316 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
318 /* Already in the desired state? */
319 if (!is_create && (hi->flags & mask) == flags)
322 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
323 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
325 /* Do hardware class (e.g. ethernet). */
326 if (hw_class->link_up_down_function
327 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
331 error = call_elf_section_interface_callbacks
332 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
345 static clib_error_t *
346 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
347 vnet_sw_interface_flags_t flags,
348 vnet_interface_helper_flags_t
351 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
353 clib_error_t *error = 0;
355 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
358 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
364 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
368 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
370 /* Notify everyone when the interface is created as admin up */
371 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
374 sw_interface_admin_up_down_functions);
381 vnet_sw_interface_t *si_sup = si;
383 /* Check that super interface is in correct state. */
384 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
386 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
388 /* Check to see if we're bringing down the soft interface and if it's parent is up */
389 if ((flags != (si_sup->flags & mask)) &&
391 && ((si_sup->flags & mask) ==
392 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
394 error = clib_error_return (0, "super-interface %U must be %U",
395 format_vnet_sw_interface_name, vnm,
397 format_vnet_sw_interface_flags,
403 /* Already in the desired state? */
404 if ((si->flags & mask) == flags)
407 /* Sub-interfaces of hardware interfaces that do no redistribute,
408 do not redistribute themselves. */
409 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
411 vnet_hw_interface_t *hi =
412 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
413 vnet_device_class_t *dev_class =
414 vnet_get_device_class (vnm, hi->dev_class_index);
415 if (!dev_class->redistribute)
417 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
420 /* set the flags now before invoking the registered clients
421 * so that the state they query is consistent with the state here notified */
422 old_flags = si->flags;
425 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
426 error = call_elf_section_interface_callbacks
427 (vnm, sw_if_index, flags,
428 vnm->sw_interface_admin_up_down_functions);
432 /* restore flags on error */
433 si->flags = old_flags;
437 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
439 vnet_hw_interface_t *hi =
440 vnet_get_hw_interface (vnm, si->hw_if_index);
441 vnet_hw_interface_class_t *hw_class =
442 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
443 vnet_device_class_t *dev_class =
444 vnet_get_device_class (vnm, hi->dev_class_index);
446 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
447 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
449 error = clib_error_return (0, "Interface in the error state");
453 /* save the si admin up flag */
454 old_flags = si->flags;
456 /* update si admin up flag in advance if we are going admin down */
457 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
458 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
460 if (dev_class->admin_up_down_function
461 && (error = dev_class->admin_up_down_function (vnm,
465 /* restore si admin up flag to it's original state on errors */
466 si->flags = old_flags;
470 if (hw_class->admin_up_down_function
471 && (error = hw_class->admin_up_down_function (vnm,
475 /* restore si admin up flag to it's original state on errors */
476 si->flags = old_flags;
480 /* Admin down implies link down. */
481 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
482 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
483 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
485 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
498 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
499 vnet_hw_interface_flags_t flags)
501 return vnet_hw_interface_set_flags_helper
502 (vnm, hw_if_index, flags,
503 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
507 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
508 vnet_sw_interface_flags_t flags)
510 return vnet_sw_interface_set_flags_helper
511 (vnm, sw_if_index, flags,
512 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
516 vnet_sw_interface_admin_up (vnet_main_t * vnm, u32 sw_if_index)
518 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
520 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
522 flags |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
523 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
528 vnet_sw_interface_admin_down (vnet_main_t * vnm, u32 sw_if_index)
530 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
532 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
534 flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
535 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
540 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
541 vnet_sw_interface_t * template)
543 vnet_interface_main_t *im = &vnm->interface_main;
544 vnet_sw_interface_t *sw;
547 pool_get (im->sw_interfaces, sw);
548 sw_if_index = sw - im->sw_interfaces;
553 sw->sw_if_index = sw_if_index;
554 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
555 sw->sup_sw_if_index = sw->sw_if_index;
557 /* Allocate counters for this interface. */
561 vnet_interface_counter_lock (im);
563 for (i = 0; i < vec_len (im->sw_if_counters); i++)
565 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
566 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
569 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
571 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
573 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
577 vnet_interface_counter_unlock (im);
584 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
588 vnet_hw_interface_t *hi;
589 vnet_device_class_t *dev_class;
591 if (template->sub.eth.flags.two_tags == 1
592 && template->sub.eth.flags.exact_match == 1
593 && (template->sub.eth.flags.inner_vlan_id_any == 1
594 || template->sub.eth.flags.outer_vlan_id_any == 1))
596 error = clib_error_return (0,
597 "inner-dot1q any exact-match is unsupported");
601 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
602 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
604 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
605 dev_class->subif_add_del_function)
607 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
608 (struct vnet_sw_interface_t
614 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
615 error = vnet_sw_interface_set_flags_helper
616 (vnm, *sw_if_index, template->flags,
617 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
621 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
622 vnet_interface_main_t *im = &vnm->interface_main;
623 vnet_sw_interface_t *sw =
624 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
625 pool_put (im->sw_interfaces, sw);
632 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
634 vnet_interface_main_t *im = &vnm->interface_main;
635 vnet_sw_interface_t *sw =
636 pool_elt_at_index (im->sw_interfaces, sw_if_index);
638 /* Check if the interface has config and is removed from L2 BD or XConnect */
639 vlib_main_t *vm = vlib_get_main ();
640 l2_input_config_t *config;
641 if (sw_if_index < vec_len (l2input_main.configs))
643 config = vec_elt_at_index (l2input_main.configs, sw_if_index);
644 if (config->xconnect)
645 set_int_l2_mode (vm, vnm, MODE_L3, config->output_sw_if_index, 0,
646 L2_BD_PORT_TYPE_NORMAL, 0, 0);
647 if (config->xconnect || config->bridge)
648 set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0,
649 L2_BD_PORT_TYPE_NORMAL, 0, 0);
651 vnet_clear_sw_interface_tag (vnm, sw_if_index);
653 /* Bring down interface in case it is up. */
655 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
657 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
659 pool_put (im->sw_interfaces, sw);
662 static clib_error_t *
663 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
665 return call_elf_section_interface_callbacks
666 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
670 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
672 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
674 if (si->mtu[VNET_MTU_L3] != mtu)
676 si->mtu[VNET_MTU_L3] = mtu;
677 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
682 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
685 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
686 bool changed = false;
689 for (i = 0; i < VNET_N_MTU; i++)
691 if (si->mtu[i] != mtu[i])
697 /* Notify interested parties */
699 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
703 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
704 u32 sw_if_index, u8 enable)
706 vnet_sw_interface_t *si;
708 si = vnet_get_sw_interface (vnm, sw_if_index);
711 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
713 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
715 ip4_directed_broadcast (sw_if_index, enable);
719 * Reflect a change in hardware MTU on protocol MTUs
722 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
725 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
726 return WALK_CONTINUE;
730 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
732 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
734 if (hi->max_packet_bytes != mtu)
736 hi->max_packet_bytes = mtu;
737 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
738 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
744 setup_tx_node (vlib_main_t * vm,
745 u32 node_index, vnet_device_class_t * dev_class)
747 vlib_node_t *n = vlib_get_node (vm, node_index);
749 n->function = dev_class->tx_function;
750 n->format_trace = dev_class->format_tx_trace;
752 vlib_register_errors (vm, node_index,
753 dev_class->tx_function_n_errors,
754 dev_class->tx_function_error_strings);
758 setup_output_node (vlib_main_t * vm,
759 u32 node_index, vnet_hw_interface_class_t * hw_class)
761 vlib_node_t *n = vlib_get_node (vm, node_index);
762 n->format_buffer = hw_class->format_header;
763 n->unformat_buffer = hw_class->unformat_header;
766 /* Register an interface instance. */
768 vnet_register_interface (vnet_main_t * vnm,
771 u32 hw_class_index, u32 hw_instance)
773 vnet_interface_main_t *im = &vnm->interface_main;
774 vnet_hw_interface_t *hw;
775 vnet_device_class_t *dev_class =
776 vnet_get_device_class (vnm, dev_class_index);
777 vnet_hw_interface_class_t *hw_class =
778 vnet_get_hw_interface_class (vnm, hw_class_index);
779 vlib_main_t *vm = vnm->vlib_main;
780 vnet_feature_config_main_t *fcm;
781 vnet_config_main_t *cm;
783 char *tx_node_name = NULL, *output_node_name = NULL;
785 pool_get (im->hw_interfaces, hw);
786 clib_memset (hw, 0, sizeof (*hw));
787 hw->trace_classify_table_index = ~0;
789 hw_index = hw - im->hw_interfaces;
790 hw->hw_if_index = hw_index;
791 hw->default_rx_mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
793 if (dev_class->format_device_name)
794 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
795 else if (hw_class->format_interface_name)
796 hw->name = format (0, "%U", hw_class->format_interface_name,
799 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
801 if (!im->hw_interface_by_name)
802 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
803 sizeof (hw->name[0]),
806 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
808 /* Make hardware interface point to software interface. */
810 vnet_sw_interface_t sw = {
811 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
812 .flood_class = VNET_FLOOD_CLASS_NORMAL,
813 .hw_if_index = hw_index
815 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
818 hw->dev_class_index = dev_class_index;
819 hw->dev_instance = dev_instance;
820 hw->hw_class_index = hw_class_index;
821 hw->hw_instance = hw_instance;
823 hw->max_rate_bits_per_sec = 0;
824 hw->min_packet_bytes = 0;
825 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
827 if (dev_class->tx_function == 0)
828 goto no_output_nodes; /* No output/tx nodes to create */
830 tx_node_name = (char *) format (0, "%v-tx", hw->name);
831 output_node_name = (char *) format (0, "%v-output", hw->name);
833 /* If we have previously deleted interface nodes, re-use them. */
834 if (vec_len (im->deleted_hw_interface_nodes) > 0)
836 vnet_hw_interface_nodes_t *hn;
838 vlib_node_runtime_t *nrt;
840 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
842 hw->tx_node_index = hn->tx_node_index;
843 hw->output_node_index = hn->output_node_index;
845 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
846 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
850 vnet_interface_output_runtime_t *rt;
852 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
853 ASSERT (rt->is_deleted == 1);
855 rt->hw_if_index = hw_index;
856 rt->sw_if_index = hw->sw_if_index;
857 rt->dev_instance = hw->dev_instance;
859 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
860 rt->hw_if_index = hw_index;
861 rt->sw_if_index = hw->sw_if_index;
862 rt->dev_instance = hw->dev_instance;
866 /* The new class may differ from the old one.
867 * Functions have to be updated. */
868 node = vlib_get_node (vm, hw->output_node_index);
869 node->function = vnet_interface_output_node;
870 node->format_trace = format_vnet_interface_output_trace;
873 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
874 nrt->function = node->function;
875 vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0,
876 VLIB_NODE_RUNTIME_PERF_RESET);
880 node = vlib_get_node (vm, hw->tx_node_index);
881 node->function = dev_class->tx_function;
882 node->format_trace = dev_class->format_tx_trace;
885 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
886 nrt->function = node->function;
887 vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0,
888 VLIB_NODE_RUNTIME_PERF_RESET);
892 _vec_len (im->deleted_hw_interface_nodes) -= 1;
896 vlib_node_registration_t r;
897 vnet_interface_output_runtime_t rt = {
898 .hw_if_index = hw_index,
899 .sw_if_index = hw->sw_if_index,
900 .dev_instance = hw->dev_instance,
904 clib_memset (&r, 0, sizeof (r));
905 r.type = VLIB_NODE_TYPE_INTERNAL;
906 r.runtime_data = &rt;
907 r.runtime_data_bytes = sizeof (rt);
909 r.vector_size = sizeof (u32);
911 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
912 r.name = tx_node_name;
913 r.function = dev_class->tx_function;
915 hw->tx_node_index = vlib_register_node (vm, &r);
917 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
919 VNET_INTERFACE_TX_NEXT_DROP);
922 r.name = output_node_name;
923 r.function = vnet_interface_output_node;
924 r.format_trace = format_vnet_interface_output_trace;
929 "interface is deleted",
930 "no buffers to segment GSO",
933 r.n_errors = ARRAY_LEN (e);
936 hw->output_node_index = vlib_register_node (vm, &r);
938 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
940 VNET_INTERFACE_OUTPUT_NEXT_DROP);
941 vlib_node_add_next_with_slot (vm, hw->output_node_index,
943 VNET_INTERFACE_OUTPUT_NEXT_TX);
945 /* add interface to the list of "output-interface" feature arc start nodes
946 and clone nexts from 1st interface if it exists */
947 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
948 cm = &fcm->config_main;
949 i = vec_len (cm->start_node_indices);
950 vec_validate (cm->start_node_indices, i);
951 cm->start_node_indices[i] = hw->output_node_index;
954 /* copy nexts from 1st interface */
955 vnet_hw_interface_t *first_hw;
956 vlib_node_t *first_node;
958 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
959 first_node = vlib_get_node (vm, first_hw->output_node_index);
961 /* 1st 2 nexts are already added above */
962 for (i = 2; i < vec_len (first_node->next_nodes); i++)
963 vlib_node_add_next_with_slot (vm, hw->output_node_index,
964 first_node->next_nodes[i], i);
968 setup_output_node (vm, hw->output_node_index, hw_class);
969 setup_tx_node (vm, hw->tx_node_index, dev_class);
972 /* Call all up/down callbacks with zero flags when interface is created. */
973 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
974 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
975 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
976 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
977 vec_free (tx_node_name);
978 vec_free (output_node_name);
984 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
986 vnet_interface_main_t *im = &vnm->interface_main;
987 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
988 vlib_main_t *vm = vnm->vlib_main;
989 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
990 hw->dev_class_index);
991 /* If it is up, mark it down. */
993 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
995 /* Call delete callbacks. */
996 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
998 /* Delete any sub-interfaces. */
1000 u32 id, sw_if_index;
1002 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
1004 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1005 u64 sup_and_sub_key =
1006 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
1007 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1008 vnet_delete_sw_interface (vnm, sw_if_index);
1010 hash_free (hw->sub_interface_sw_if_index_by_id);
1014 /* Delete software interface corresponding to hardware interface. */
1015 vnet_delete_sw_interface (vnm, hw->sw_if_index);
1017 if (dev_class->tx_function)
1019 /* Put output/tx nodes into recycle pool */
1020 vnet_hw_interface_nodes_t *dn;
1025 vnet_interface_output_runtime_t *rt =
1026 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
1028 /* Mark node runtime as deleted so output node (if called)
1029 * will drop packets. */
1034 vlib_node_rename (vm, hw->output_node_index,
1035 "interface-%d-output-deleted", hw_if_index);
1036 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
1038 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
1039 dn->tx_node_index = hw->tx_node_index;
1040 dn->output_node_index = hw->output_node_index;
1043 hash_unset_mem (im->hw_interface_by_name, hw->name);
1044 vec_free (hw->name);
1045 vec_free (hw->hw_address);
1046 vec_free (hw->input_node_thread_index_by_queue);
1047 vec_free (hw->dq_runtime_index_by_queue);
1049 pool_put (im->hw_interfaces, hw);
1053 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1055 vnet_hw_sw_interface_walk_t fn, void *ctx)
1057 vnet_hw_interface_t *hi;
1058 u32 id, sw_if_index;
1060 hi = vnet_get_hw_interface (vnm, hw_if_index);
1061 /* the super first, then the sub interfaces */
1062 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1066 hash_foreach (id, sw_if_index,
1067 hi->sub_interface_sw_if_index_by_id,
1069 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1076 vnet_hw_interface_walk (vnet_main_t * vnm,
1077 vnet_hw_interface_walk_t fn, void *ctx)
1079 vnet_interface_main_t *im;
1080 vnet_hw_interface_t *hi;
1082 im = &vnm->interface_main;
1085 pool_foreach (hi, im->hw_interfaces,
1087 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1094 vnet_sw_interface_walk (vnet_main_t * vnm,
1095 vnet_sw_interface_walk_t fn, void *ctx)
1097 vnet_interface_main_t *im;
1098 vnet_sw_interface_t *si;
1100 im = &vnm->interface_main;
1103 pool_foreach (si, im->sw_interfaces,
1105 if (WALK_STOP == fn (vnm, si, ctx))
1112 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1113 u32 hw_class_index, u32 hw_instance)
1115 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1116 vnet_hw_interface_class_t *hc =
1117 vnet_get_hw_interface_class (vnm, hw_class_index);
1119 hi->hw_class_index = hw_class_index;
1120 hi->hw_instance = hw_instance;
1121 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1124 static clib_error_t *
1125 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1126 u32 hw_class_index, u32 redistribute)
1128 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1129 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1130 vnet_hw_interface_class_t *old_class =
1131 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1132 vnet_hw_interface_class_t *new_class =
1133 vnet_get_hw_interface_class (vnm, hw_class_index);
1134 vnet_device_class_t *dev_class =
1135 vnet_get_device_class (vnm, hi->dev_class_index);
1136 clib_error_t *error = 0;
1138 /* New class equals old class? Nothing to do. */
1139 if (hi->hw_class_index == hw_class_index)
1142 /* No need (and incorrect since admin up flag may be set) to do error checking when
1143 receiving unserialize message. */
1146 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1147 return clib_error_return (0,
1148 "%v must be admin down to change class from %s to %s",
1149 hi->name, old_class->name, new_class->name);
1151 /* Make sure interface supports given class. */
1152 if ((new_class->is_valid_class_for_interface
1153 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1155 || (dev_class->is_valid_class_for_interface
1156 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1158 return clib_error_return (0,
1159 "%v class cannot be changed from %s to %s",
1160 hi->name, old_class->name, new_class->name);
1164 if (old_class->hw_class_change)
1165 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1168 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1171 if (new_class->hw_class_change)
1172 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1175 if (dev_class->hw_class_change)
1176 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1182 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1185 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1186 /* redistribute */ 1);
1190 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1195 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1196 vnet_device_class_t *dev_class = vnet_get_device_class
1197 (vnm, hi->dev_class_index);
1199 if (dev_class->rx_redirect_to_node)
1201 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1205 return VNET_API_ERROR_UNIMPLEMENTED;
1209 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1212 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1214 1 /* redistribute */ );
1218 vnet_sw_interface_compare (vnet_main_t * vnm,
1219 uword sw_if_index0, uword sw_if_index1)
1221 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1222 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1223 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1224 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1227 return vec_cmp (h0->name, h1->name);
1228 return (word) h0->hw_instance - (word) h1->hw_instance;
1232 vnet_hw_interface_compare (vnet_main_t * vnm,
1233 uword hw_if_index0, uword hw_if_index1)
1235 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1236 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1239 return vec_cmp (h0->name, h1->name);
1240 return (word) h0->hw_instance - (word) h1->hw_instance;
1244 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1246 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1247 if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
1248 (si->type == VNET_SW_INTERFACE_TYPE_PIPE))
1251 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1252 vnet_hw_interface_class_t *hc =
1253 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1255 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1259 vnet_sw_interface_is_nbma (vnet_main_t * vnm, u32 sw_if_index)
1261 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1262 vnet_hw_interface_class_t *hc =
1263 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1265 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_NBMA);
1269 vnet_interface_init (vlib_main_t * vm)
1271 vnet_main_t *vnm = vnet_get_main ();
1272 vnet_interface_main_t *im = &vnm->interface_main;
1273 vlib_buffer_t *b = 0;
1274 vnet_buffer_opaque_t *o = 0;
1275 clib_error_t *error;
1278 * Keep people from shooting themselves in the foot.
1280 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1282 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1284 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1285 #a, sizeof(o->a), sizeof (o->unused));
1286 foreach_buffer_opaque_union_subtype;
1289 return clib_error_return
1290 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1291 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1294 clib_spinlock_init (&im->sw_if_counter_lock);
1295 clib_spinlock_lock (&im->sw_if_counter_lock); /* should be no need */
1297 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1299 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1300 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1301 foreach_simple_interface_counter_name
1303 vec_validate (im->combined_sw_if_counters,
1304 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1306 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1307 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1308 foreach_combined_interface_counter_name
1310 clib_spinlock_unlock (&im->sw_if_counter_lock);
1312 im->device_class_by_name = hash_create_string ( /* size */ 0,
1315 vnet_device_class_t *c;
1317 c = vnm->device_class_registrations;
1321 c->index = vec_len (im->device_classes);
1322 hash_set_mem (im->device_class_by_name, c->name, c->index);
1324 if (c->tx_fn_registrations)
1326 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1329 /* to avoid confusion, please remove ".tx_function" statement
1330 from VNET_DEVICE_CLASS() if using function candidates */
1331 ASSERT (c->tx_function == 0);
1335 if (fnr->priority > priority)
1337 priority = fnr->priority;
1338 c->tx_function = fnr->function;
1340 fnr = fnr->next_registration;
1344 vec_add1 (im->device_classes, c[0]);
1345 c = c->next_class_registration;
1349 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1352 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1355 vnet_hw_interface_class_t *c;
1357 c = vnm->hw_interface_class_registrations;
1361 c->index = vec_len (im->hw_interface_classes);
1362 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1364 if (NULL == c->build_rewrite)
1365 c->build_rewrite = default_build_rewrite;
1366 if (NULL == c->update_adjacency)
1367 c->update_adjacency = default_update_adjacency;
1369 vec_add1 (im->hw_interface_classes, c[0]);
1370 c = c->next_class_registration;
1374 /* init per-thread data */
1375 vec_validate_aligned (im->per_thread_data, vlib_num_workers (),
1376 CLIB_CACHE_LINE_BYTES);
1378 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1381 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1383 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1384 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1391 VLIB_INIT_FUNCTION (vnet_interface_init);
1393 /* Kludge to renumber interface names [only!] */
1395 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1398 vnet_main_t *vnm = vnet_get_main ();
1399 vnet_interface_main_t *im = &vnm->interface_main;
1400 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1402 vnet_device_class_t *dev_class = vnet_get_device_class
1403 (vnm, hi->dev_class_index);
1405 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1406 return VNET_API_ERROR_UNIMPLEMENTED;
1408 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1413 hash_unset_mem (im->hw_interface_by_name, hi->name);
1414 vec_free (hi->name);
1415 /* Use the mapping we set up to call it Ishmael */
1416 hi->name = format (0, "%U", dev_class->format_device_name,
1419 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1424 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1426 vnet_interface_main_t *im = &vnm->interface_main;
1427 vlib_main_t *vm = vnm->vlib_main;
1428 vnet_hw_interface_t *hw;
1430 clib_error_t *error = 0;
1432 hw = vnet_get_hw_interface (vnm, hw_if_index);
1435 return clib_error_return (0,
1436 "unable to find hw interface for index %u",
1440 old_name = hw->name;
1442 /* set new hw->name */
1443 hw->name = format (0, "%s", new_name);
1445 /* remove the old name to hw_if_index mapping and install the new one */
1446 hash_unset_mem (im->hw_interface_by_name, old_name);
1447 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1449 /* rename tx/output nodes */
1450 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1451 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1453 /* free the old name vector */
1454 vec_free (old_name);
1460 vnet_hw_interface_add_del_mac_address (vnet_main_t * vnm,
1462 const u8 * mac_address, u8 is_add)
1464 clib_error_t *error = 0;
1465 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1467 vnet_device_class_t *dev_class =
1468 vnet_get_device_class (vnm, hi->dev_class_index);
1470 if (!hi->hw_address)
1474 (0, "Secondary MAC Addresses not supported for interface index %u",
1479 if (dev_class->mac_addr_add_del_function)
1480 error = dev_class->mac_addr_add_del_function (hi, mac_address, is_add);
1484 vnet_hw_interface_class_t *hw_class;
1486 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1488 if (NULL != hw_class->mac_addr_add_del_function)
1489 error = hw_class->mac_addr_add_del_function (hi, mac_address, is_add);
1492 /* If no errors, add to the list of secondary MACs on the ethernet intf */
1494 ethernet_interface_add_del_address (ðernet_main, hw_if_index,
1495 mac_address, is_add);
1501 static clib_error_t *
1502 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1504 const u8 * mac_address)
1506 clib_error_t *error = 0;
1507 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1511 u8 *old_address = vec_dup (hi->hw_address);
1512 vnet_device_class_t *dev_class =
1513 vnet_get_device_class (vnm, hi->dev_class_index);
1514 if (dev_class->mac_addr_change_function)
1517 dev_class->mac_addr_change_function (hi, old_address,
1522 vnet_hw_interface_class_t *hw_class;
1524 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1526 if (NULL != hw_class->mac_addr_change_function)
1527 hw_class->mac_addr_change_function (hi, old_address, mac_address);
1532 clib_error_return (0,
1533 "MAC Address Change is not supported on this interface");
1535 vec_free (old_address);
1540 clib_error_return (0,
1541 "mac address change is not supported for interface index %u",
1548 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1549 const u8 * mac_address)
1551 return vnet_hw_interface_change_mac_address_helper
1552 (vnm, hw_if_index, mac_address);
1555 /* update the unnumbered state of an interface*/
1557 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1558 u32 ip_sw_if_index, u8 enable)
1560 vnet_main_t *vnm = vnet_get_main ();
1561 vnet_sw_interface_t *si;
1564 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1565 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1569 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1570 si->unnumbered_sw_if_index = ip_sw_if_index;
1572 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1573 [unnumbered_sw_if_index] =
1575 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1577 lookup_main.if_address_pool_index_by_sw_if_index
1578 [unnumbered_sw_if_index] =
1580 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1584 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1585 si->unnumbered_sw_if_index = (u32) ~ 0;
1587 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1588 [unnumbered_sw_if_index] = ~0;
1589 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1590 [unnumbered_sw_if_index] = ~0;
1593 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1595 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1596 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1600 vnet_l3_packet_type_t
1601 vnet_link_to_l3_proto (vnet_link_t link)
1606 return (VNET_L3_PACKET_TYPE_IP4);
1608 return (VNET_L3_PACKET_TYPE_IP6);
1609 case VNET_LINK_MPLS:
1610 return (VNET_L3_PACKET_TYPE_MPLS);
1612 return (VNET_L3_PACKET_TYPE_ARP);
1613 case VNET_LINK_ETHERNET:
1623 vnet_link_to_mtu (vnet_link_t link)
1628 return (VNET_MTU_IP4);
1630 return (VNET_MTU_IP6);
1631 case VNET_LINK_MPLS:
1632 return (VNET_MTU_MPLS);
1634 return (VNET_MTU_L3);
1639 default_build_rewrite (vnet_main_t * vnm,
1641 vnet_link_t link_type, const void *dst_address)
1647 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1649 ip_adjacency_t *adj;
1653 switch (adj->lookup_next_index)
1655 case IP_LOOKUP_NEXT_GLEAN:
1656 adj_glean_update_rewrite (ai);
1658 case IP_LOOKUP_NEXT_ARP:
1659 case IP_LOOKUP_NEXT_BCAST:
1661 * default rewrite in neighbour adj
1663 adj_nbr_update_rewrite
1665 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1666 vnet_build_rewrite_for_sw_interface (vnm,
1668 adj_get_link_type (ai), NULL));
1670 case IP_LOOKUP_NEXT_MCAST:
1672 * mcast traffic also uses default rewrite string with no mcast
1673 * switch time updates.
1675 adj_mcast_update_rewrite
1677 vnet_build_rewrite_for_sw_interface (vnm,
1679 adj_get_link_type (ai),
1682 case IP_LOOKUP_NEXT_DROP:
1683 case IP_LOOKUP_NEXT_PUNT:
1684 case IP_LOOKUP_NEXT_LOCAL:
1685 case IP_LOOKUP_NEXT_REWRITE:
1686 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1687 case IP_LOOKUP_NEXT_MIDCHAIN:
1688 case IP_LOOKUP_NEXT_ICMP_ERROR:
1689 case IP_LOOKUP_N_NEXT:
1695 int collect_detailed_interface_stats_flag = 0;
1698 collect_detailed_interface_stats_flag_set (void)
1700 collect_detailed_interface_stats_flag = 1;
1704 collect_detailed_interface_stats_flag_clear (void)
1706 collect_detailed_interface_stats_flag = 0;
1709 static clib_error_t *
1710 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1711 unformat_input_t * input,
1712 vlib_cli_command_t * cmd)
1714 unformat_input_t _line_input, *line_input = &_line_input;
1715 clib_error_t *error = NULL;
1717 /* Get a line of input. */
1718 if (!unformat_user (input, unformat_line_input, line_input))
1719 return clib_error_return (0, "expected enable | disable");
1721 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1723 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1724 collect_detailed_interface_stats_flag_set ();
1725 else if (unformat (line_input, "disable")
1726 || unformat (line_input, "off"))
1727 collect_detailed_interface_stats_flag_clear ();
1730 error = clib_error_return (0, "unknown input `%U'",
1731 format_unformat_error, line_input);
1737 unformat_free (line_input);
1742 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1743 .path = "interface collect detailed-stats",
1744 .short_help = "interface collect detailed-stats <enable|disable>",
1745 .function = collect_detailed_interface_stats_cli,
1750 * fd.io coding-style-patch-verification: ON
1753 * eval: (c-set-style "gnu")