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 #define VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE (1 << 0)
291 #define VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE (1 << 1)
293 static clib_error_t *
294 vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
295 vnet_hw_interface_flags_t flags,
296 vnet_interface_helper_flags_t
299 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
300 vnet_hw_interface_class_t *hw_class =
301 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
303 clib_error_t *error = 0;
305 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
308 (VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK);
311 /* Call hardware interface add/del callbacks. */
313 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
315 /* Already in the desired state? */
316 if (!is_create && (hi->flags & mask) == flags)
319 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
320 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
322 /* Do hardware class (e.g. ethernet). */
323 if (hw_class->link_up_down_function
324 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
328 error = call_elf_section_interface_callbacks
329 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
342 static clib_error_t *
343 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
344 vnet_sw_interface_flags_t flags,
345 vnet_interface_helper_flags_t
348 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
350 clib_error_t *error = 0;
352 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
355 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
361 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
365 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
367 /* Notify everyone when the interface is created as admin up */
368 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
371 sw_interface_admin_up_down_functions);
378 vnet_sw_interface_t *si_sup = si;
380 /* Check that super interface is in correct state. */
381 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
383 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
385 /* Check to see if we're bringing down the soft interface and if it's parent is up */
386 if ((flags != (si_sup->flags & mask)) &&
388 && ((si_sup->flags & mask) ==
389 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
391 error = clib_error_return (0, "super-interface %U must be %U",
392 format_vnet_sw_interface_name, vnm,
394 format_vnet_sw_interface_flags,
400 /* Do not change state for slave link of bonded interfaces */
401 if (si->flags & VNET_SW_INTERFACE_FLAG_BOND_SLAVE)
403 error = clib_error_return
404 (0, "not allowed as %U belong to a BondEthernet interface",
405 format_vnet_sw_interface_name, vnm, si);
409 /* Already in the desired state? */
410 if ((si->flags & mask) == flags)
413 /* Sub-interfaces of hardware interfaces that do no redistribute,
414 do not redistribute themselves. */
415 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
417 vnet_hw_interface_t *hi =
418 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
419 vnet_device_class_t *dev_class =
420 vnet_get_device_class (vnm, hi->dev_class_index);
421 if (!dev_class->redistribute)
423 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
426 /* set the flags now before invoking the registered clients
427 * so that the state they query is consistent with the state here notified */
428 old_flags = si->flags;
431 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
432 error = call_elf_section_interface_callbacks
433 (vnm, sw_if_index, flags,
434 vnm->sw_interface_admin_up_down_functions);
438 /* restore flags on error */
439 si->flags = old_flags;
443 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
445 vnet_hw_interface_t *hi =
446 vnet_get_hw_interface (vnm, si->hw_if_index);
447 vnet_hw_interface_class_t *hw_class =
448 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
449 vnet_device_class_t *dev_class =
450 vnet_get_device_class (vnm, hi->dev_class_index);
452 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
453 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
455 error = clib_error_return (0, "Interface in the error state");
459 /* save the si admin up flag */
460 old_flags = si->flags;
462 /* update si admin up flag in advance if we are going admin down */
463 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
464 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
466 if (dev_class->admin_up_down_function
467 && (error = dev_class->admin_up_down_function (vnm,
471 /* restore si admin up flag to it's original state on errors */
472 si->flags = old_flags;
476 if (hw_class->admin_up_down_function
477 && (error = hw_class->admin_up_down_function (vnm,
481 /* restore si admin up flag to it's original state on errors */
482 si->flags = old_flags;
486 /* Admin down implies link down. */
487 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
488 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
489 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
491 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
504 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
505 vnet_hw_interface_flags_t flags)
507 return vnet_hw_interface_set_flags_helper
508 (vnm, hw_if_index, flags,
509 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
513 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
514 vnet_sw_interface_flags_t flags)
516 return vnet_sw_interface_set_flags_helper
517 (vnm, sw_if_index, flags,
518 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
522 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
523 vnet_sw_interface_t * template)
525 vnet_interface_main_t *im = &vnm->interface_main;
526 vnet_sw_interface_t *sw;
529 pool_get (im->sw_interfaces, sw);
530 sw_if_index = sw - im->sw_interfaces;
535 sw->sw_if_index = sw_if_index;
536 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
537 sw->sup_sw_if_index = sw->sw_if_index;
539 /* Allocate counters for this interface. */
543 vnet_interface_counter_lock (im);
545 for (i = 0; i < vec_len (im->sw_if_counters); i++)
547 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
548 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
551 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
553 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
555 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
559 vnet_interface_counter_unlock (im);
566 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
570 vnet_hw_interface_t *hi;
571 vnet_device_class_t *dev_class;
573 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
574 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
576 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
577 dev_class->subif_add_del_function)
579 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
580 (struct vnet_sw_interface_t
586 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
587 error = vnet_sw_interface_set_flags_helper
588 (vnm, *sw_if_index, template->flags,
589 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
593 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
594 vnet_interface_main_t *im = &vnm->interface_main;
595 vnet_sw_interface_t *sw =
596 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
597 pool_put (im->sw_interfaces, sw);
604 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
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);
610 /* Check if the interface has config and is removed from L2 BD or XConnect */
611 vlib_main_t *vm = vlib_get_main ();
612 l2_input_config_t *config;
613 if (sw_if_index < vec_len (l2input_main.configs))
615 config = vec_elt_at_index (l2input_main.configs, sw_if_index);
616 if (config->xconnect)
617 set_int_l2_mode (vm, vnm, MODE_L3, config->output_sw_if_index, 0,
618 L2_BD_PORT_TYPE_NORMAL, 0, 0);
619 if (config->xconnect || config->bridge)
620 set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0,
621 L2_BD_PORT_TYPE_NORMAL, 0, 0);
623 vnet_clear_sw_interface_tag (vnm, sw_if_index);
625 /* Bring down interface in case it is up. */
627 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
629 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
631 pool_put (im->sw_interfaces, sw);
634 static clib_error_t *
635 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
637 return call_elf_section_interface_callbacks
638 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
642 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
644 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
646 if (si->mtu[VNET_MTU_L3] != mtu)
648 si->mtu[VNET_MTU_L3] = mtu;
649 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
654 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
657 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
658 bool changed = false;
661 for (i = 0; i < VNET_N_MTU; i++)
663 if (si->mtu[i] != mtu[i])
669 /* Notify interested parties */
671 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
675 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
676 u32 sw_if_index, u8 enable)
678 vnet_sw_interface_t *si;
680 si = vnet_get_sw_interface (vnm, sw_if_index);
683 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
685 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
687 ip4_directed_broadcast (sw_if_index, enable);
691 * Reflect a change in hardware MTU on protocol MTUs
694 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
697 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
698 return WALK_CONTINUE;
702 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
704 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
706 if (hi->max_packet_bytes != mtu)
708 hi->max_packet_bytes = mtu;
709 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
710 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
716 setup_tx_node (vlib_main_t * vm,
717 u32 node_index, vnet_device_class_t * dev_class)
719 vlib_node_t *n = vlib_get_node (vm, node_index);
721 n->function = dev_class->tx_function;
722 n->format_trace = dev_class->format_tx_trace;
724 vlib_register_errors (vm, node_index,
725 dev_class->tx_function_n_errors,
726 dev_class->tx_function_error_strings);
730 setup_output_node (vlib_main_t * vm,
731 u32 node_index, vnet_hw_interface_class_t * hw_class)
733 vlib_node_t *n = vlib_get_node (vm, node_index);
734 n->format_buffer = hw_class->format_header;
735 n->unformat_buffer = hw_class->unformat_header;
738 /* Register an interface instance. */
740 vnet_register_interface (vnet_main_t * vnm,
743 u32 hw_class_index, u32 hw_instance)
745 vnet_interface_main_t *im = &vnm->interface_main;
746 vnet_hw_interface_t *hw;
747 vnet_device_class_t *dev_class =
748 vnet_get_device_class (vnm, dev_class_index);
749 vnet_hw_interface_class_t *hw_class =
750 vnet_get_hw_interface_class (vnm, hw_class_index);
751 vlib_main_t *vm = vnm->vlib_main;
752 vnet_feature_config_main_t *fcm;
753 vnet_config_main_t *cm;
755 char *tx_node_name = NULL, *output_node_name = NULL;
757 pool_get (im->hw_interfaces, hw);
758 clib_memset (hw, 0, sizeof (*hw));
760 hw_index = hw - im->hw_interfaces;
761 hw->hw_if_index = hw_index;
762 hw->default_rx_mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
764 if (dev_class->format_device_name)
765 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
766 else if (hw_class->format_interface_name)
767 hw->name = format (0, "%U", hw_class->format_interface_name,
770 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
772 if (!im->hw_interface_by_name)
773 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
774 sizeof (hw->name[0]),
777 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
779 /* Make hardware interface point to software interface. */
781 vnet_sw_interface_t sw = {
782 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
783 .flood_class = VNET_FLOOD_CLASS_NORMAL,
784 .hw_if_index = hw_index
786 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
789 hw->dev_class_index = dev_class_index;
790 hw->dev_instance = dev_instance;
791 hw->hw_class_index = hw_class_index;
792 hw->hw_instance = hw_instance;
794 hw->max_rate_bits_per_sec = 0;
795 hw->min_packet_bytes = 0;
796 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
798 if (dev_class->tx_function == 0)
799 goto no_output_nodes; /* No output/tx nodes to create */
801 tx_node_name = (char *) format (0, "%v-tx", hw->name);
802 output_node_name = (char *) format (0, "%v-output", hw->name);
804 /* If we have previously deleted interface nodes, re-use them. */
805 if (vec_len (im->deleted_hw_interface_nodes) > 0)
807 vnet_hw_interface_nodes_t *hn;
809 vlib_node_runtime_t *nrt;
811 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
813 hw->tx_node_index = hn->tx_node_index;
814 hw->output_node_index = hn->output_node_index;
816 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
817 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
821 vnet_interface_output_runtime_t *rt;
823 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
824 ASSERT (rt->is_deleted == 1);
826 rt->hw_if_index = hw_index;
827 rt->sw_if_index = hw->sw_if_index;
828 rt->dev_instance = hw->dev_instance;
830 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
831 rt->hw_if_index = hw_index;
832 rt->sw_if_index = hw->sw_if_index;
833 rt->dev_instance = hw->dev_instance;
837 /* The new class may differ from the old one.
838 * Functions have to be updated. */
839 node = vlib_get_node (vm, hw->output_node_index);
840 node->function = vnet_interface_output_node_multiarch_select ();
841 node->format_trace = format_vnet_interface_output_trace;
844 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
845 nrt->function = node->function;
849 node = vlib_get_node (vm, hw->tx_node_index);
850 node->function = dev_class->tx_function;
851 node->format_trace = dev_class->format_tx_trace;
854 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
855 nrt->function = node->function;
859 _vec_len (im->deleted_hw_interface_nodes) -= 1;
863 vlib_node_registration_t r;
864 vnet_interface_output_runtime_t rt = {
865 .hw_if_index = hw_index,
866 .sw_if_index = hw->sw_if_index,
867 .dev_instance = hw->dev_instance,
871 clib_memset (&r, 0, sizeof (r));
872 r.type = VLIB_NODE_TYPE_INTERNAL;
873 r.runtime_data = &rt;
874 r.runtime_data_bytes = sizeof (rt);
876 r.vector_size = sizeof (u32);
878 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
879 r.name = tx_node_name;
880 r.function = dev_class->tx_function;
882 hw->tx_node_index = vlib_register_node (vm, &r);
884 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
886 VNET_INTERFACE_TX_NEXT_DROP);
889 r.name = output_node_name;
890 r.function = vnet_interface_output_node_multiarch_select ();
891 r.format_trace = format_vnet_interface_output_trace;
896 "interface is deleted",
899 r.n_errors = ARRAY_LEN (e);
902 hw->output_node_index = vlib_register_node (vm, &r);
904 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
906 VNET_INTERFACE_OUTPUT_NEXT_DROP);
907 vlib_node_add_next_with_slot (vm, hw->output_node_index,
909 VNET_INTERFACE_OUTPUT_NEXT_TX);
911 /* add interface to the list of "output-interface" feature arc start nodes
912 and clone nexts from 1st interface if it exists */
913 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
914 cm = &fcm->config_main;
915 i = vec_len (cm->start_node_indices);
916 vec_validate (cm->start_node_indices, i);
917 cm->start_node_indices[i] = hw->output_node_index;
920 /* copy nexts from 1st interface */
921 vnet_hw_interface_t *first_hw;
922 vlib_node_t *first_node;
924 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
925 first_node = vlib_get_node (vm, first_hw->output_node_index);
927 /* 1st 2 nexts are already added above */
928 for (i = 2; i < vec_len (first_node->next_nodes); i++)
929 vlib_node_add_next_with_slot (vm, hw->output_node_index,
930 first_node->next_nodes[i], i);
934 setup_output_node (vm, hw->output_node_index, hw_class);
935 setup_tx_node (vm, hw->tx_node_index, dev_class);
938 /* Call all up/down callbacks with zero flags when interface is created. */
939 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
940 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
941 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
942 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
943 vec_free (tx_node_name);
944 vec_free (output_node_name);
950 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
952 vnet_interface_main_t *im = &vnm->interface_main;
953 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
954 vlib_main_t *vm = vnm->vlib_main;
955 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
956 hw->dev_class_index);
957 /* If it is up, mark it down. */
959 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
961 /* Call delete callbacks. */
962 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
964 /* Delete any sub-interfaces. */
968 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
970 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
971 u64 sup_and_sub_key =
972 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
973 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
974 vnet_delete_sw_interface (vnm, sw_if_index);
976 hash_free (hw->sub_interface_sw_if_index_by_id);
980 /* Delete software interface corresponding to hardware interface. */
981 vnet_delete_sw_interface (vnm, hw->sw_if_index);
983 if (dev_class->tx_function)
985 /* Put output/tx nodes into recycle pool */
986 vnet_hw_interface_nodes_t *dn;
991 vnet_interface_output_runtime_t *rt =
992 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
994 /* Mark node runtime as deleted so output node (if called)
995 * will drop packets. */
1000 vlib_node_rename (vm, hw->output_node_index,
1001 "interface-%d-output-deleted", hw_if_index);
1002 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
1004 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
1005 dn->tx_node_index = hw->tx_node_index;
1006 dn->output_node_index = hw->output_node_index;
1009 hash_unset_mem (im->hw_interface_by_name, hw->name);
1010 vec_free (hw->name);
1011 vec_free (hw->hw_address);
1012 vec_free (hw->input_node_thread_index_by_queue);
1013 vec_free (hw->dq_runtime_index_by_queue);
1015 pool_put (im->hw_interfaces, hw);
1019 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1021 vnet_hw_sw_interface_walk_t fn, void *ctx)
1023 vnet_hw_interface_t *hi;
1024 u32 id, sw_if_index;
1026 hi = vnet_get_hw_interface (vnm, hw_if_index);
1027 /* the super first, then the sub interfaces */
1028 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1032 hash_foreach (id, sw_if_index,
1033 hi->sub_interface_sw_if_index_by_id,
1035 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1042 vnet_hw_interface_walk (vnet_main_t * vnm,
1043 vnet_hw_interface_walk_t fn, void *ctx)
1045 vnet_interface_main_t *im;
1046 vnet_hw_interface_t *hi;
1048 im = &vnm->interface_main;
1051 pool_foreach (hi, im->hw_interfaces,
1053 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1060 vnet_sw_interface_walk (vnet_main_t * vnm,
1061 vnet_sw_interface_walk_t fn, void *ctx)
1063 vnet_interface_main_t *im;
1064 vnet_sw_interface_t *si;
1066 im = &vnm->interface_main;
1069 pool_foreach (si, im->sw_interfaces,
1071 if (WALK_STOP == fn (vnm, si, ctx))
1078 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1079 u32 hw_class_index, u32 hw_instance)
1081 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1082 vnet_hw_interface_class_t *hc =
1083 vnet_get_hw_interface_class (vnm, hw_class_index);
1085 hi->hw_class_index = hw_class_index;
1086 hi->hw_instance = hw_instance;
1087 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1090 static clib_error_t *
1091 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1092 u32 hw_class_index, u32 redistribute)
1094 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1095 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1096 vnet_hw_interface_class_t *old_class =
1097 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1098 vnet_hw_interface_class_t *new_class =
1099 vnet_get_hw_interface_class (vnm, hw_class_index);
1100 vnet_device_class_t *dev_class =
1101 vnet_get_device_class (vnm, hi->dev_class_index);
1102 clib_error_t *error = 0;
1104 /* New class equals old class? Nothing to do. */
1105 if (hi->hw_class_index == hw_class_index)
1108 /* No need (and incorrect since admin up flag may be set) to do error checking when
1109 receiving unserialize message. */
1112 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1113 return clib_error_return (0,
1114 "%v must be admin down to change class from %s to %s",
1115 hi->name, old_class->name, new_class->name);
1117 /* Make sure interface supports given class. */
1118 if ((new_class->is_valid_class_for_interface
1119 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1121 || (dev_class->is_valid_class_for_interface
1122 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1124 return clib_error_return (0,
1125 "%v class cannot be changed from %s to %s",
1126 hi->name, old_class->name, new_class->name);
1130 if (old_class->hw_class_change)
1131 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1134 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1137 if (new_class->hw_class_change)
1138 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1141 if (dev_class->hw_class_change)
1142 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1148 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1151 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1152 /* redistribute */ 1);
1156 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1161 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1162 vnet_device_class_t *dev_class = vnet_get_device_class
1163 (vnm, hi->dev_class_index);
1165 if (dev_class->rx_redirect_to_node)
1167 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1171 return VNET_API_ERROR_UNIMPLEMENTED;
1175 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1178 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1180 1 /* redistribute */ );
1184 vnet_sw_interface_compare (vnet_main_t * vnm,
1185 uword sw_if_index0, uword sw_if_index1)
1187 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1188 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1189 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1190 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1193 return vec_cmp (h0->name, h1->name);
1194 return (word) h0->hw_instance - (word) h1->hw_instance;
1198 vnet_hw_interface_compare (vnet_main_t * vnm,
1199 uword hw_if_index0, uword hw_if_index1)
1201 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1202 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1205 return vec_cmp (h0->name, h1->name);
1206 return (word) h0->hw_instance - (word) h1->hw_instance;
1210 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1212 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1213 if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
1214 (si->type == VNET_SW_INTERFACE_TYPE_PIPE))
1217 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1218 vnet_hw_interface_class_t *hc =
1219 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1221 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1225 vnet_interface_init (vlib_main_t * vm)
1227 vnet_main_t *vnm = vnet_get_main ();
1228 vnet_interface_main_t *im = &vnm->interface_main;
1229 vlib_buffer_t *b = 0;
1230 vnet_buffer_opaque_t *o = 0;
1231 clib_error_t *error;
1234 * Keep people from shooting themselves in the foot.
1236 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1238 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1240 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1241 #a, sizeof(o->a), sizeof (o->unused));
1242 foreach_buffer_opaque_union_subtype;
1245 return clib_error_return
1246 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1247 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1250 im->sw_if_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
1251 CLIB_CACHE_LINE_BYTES);
1252 im->sw_if_counter_lock[0] = 1; /* should be no need */
1254 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1256 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1257 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1258 foreach_simple_interface_counter_name
1260 vec_validate (im->combined_sw_if_counters,
1261 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1263 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1264 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1265 foreach_combined_interface_counter_name
1267 im->sw_if_counter_lock[0] = 0;
1269 im->device_class_by_name = hash_create_string ( /* size */ 0,
1272 vnet_device_class_t *c;
1274 c = vnm->device_class_registrations;
1278 c->index = vec_len (im->device_classes);
1279 hash_set_mem (im->device_class_by_name, c->name, c->index);
1281 if (c->tx_fn_registrations)
1283 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1286 /* to avoid confusion, please remove ".tx_function" statement
1287 from VNET_DEVICE_CLASS() if using function candidates */
1288 ASSERT (c->tx_function == 0);
1292 if (fnr->priority > priority)
1294 priority = fnr->priority;
1295 c->tx_function = fnr->function;
1297 fnr = fnr->next_registration;
1301 vec_add1 (im->device_classes, c[0]);
1302 c = c->next_class_registration;
1306 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1309 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1312 vnet_hw_interface_class_t *c;
1314 c = vnm->hw_interface_class_registrations;
1318 c->index = vec_len (im->hw_interface_classes);
1319 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1321 if (NULL == c->build_rewrite)
1322 c->build_rewrite = default_build_rewrite;
1323 if (NULL == c->update_adjacency)
1324 c->update_adjacency = default_update_adjacency;
1326 vec_add1 (im->hw_interface_classes, c[0]);
1327 c = c->next_class_registration;
1331 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1334 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1336 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1337 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1344 VLIB_INIT_FUNCTION (vnet_interface_init);
1346 /* Kludge to renumber interface names [only!] */
1348 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1351 vnet_main_t *vnm = vnet_get_main ();
1352 vnet_interface_main_t *im = &vnm->interface_main;
1353 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1355 vnet_device_class_t *dev_class = vnet_get_device_class
1356 (vnm, hi->dev_class_index);
1358 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1359 return VNET_API_ERROR_UNIMPLEMENTED;
1361 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1366 hash_unset_mem (im->hw_interface_by_name, hi->name);
1367 vec_free (hi->name);
1368 /* Use the mapping we set up to call it Ishmael */
1369 hi->name = format (0, "%U", dev_class->format_device_name,
1372 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1377 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1379 vnet_interface_main_t *im = &vnm->interface_main;
1380 vlib_main_t *vm = vnm->vlib_main;
1381 vnet_hw_interface_t *hw;
1383 clib_error_t *error = 0;
1385 hw = vnet_get_hw_interface (vnm, hw_if_index);
1388 return clib_error_return (0,
1389 "unable to find hw interface for index %u",
1393 old_name = hw->name;
1395 /* set new hw->name */
1396 hw->name = format (0, "%s", new_name);
1398 /* remove the old name to hw_if_index mapping and install the new one */
1399 hash_unset_mem (im->hw_interface_by_name, old_name);
1400 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1402 /* rename tx/output nodes */
1403 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1404 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1406 /* free the old name vector */
1407 vec_free (old_name);
1412 static clib_error_t *
1413 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1415 const u8 * mac_address)
1417 clib_error_t *error = 0;
1418 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1422 u8 *old_address = vec_dup (hi->hw_address);
1423 vnet_device_class_t *dev_class =
1424 vnet_get_device_class (vnm, hi->dev_class_index);
1425 if (dev_class->mac_addr_change_function)
1428 dev_class->mac_addr_change_function (hi, old_address,
1433 vnet_hw_interface_class_t *hw_class;
1435 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1437 if (NULL != hw_class->mac_addr_change_function)
1438 hw_class->mac_addr_change_function (hi, old_address, mac_address);
1443 clib_error_return (0,
1444 "MAC Address Change is not supported on this interface");
1446 vec_free (old_address);
1451 clib_error_return (0,
1452 "mac address change is not supported for interface index %u",
1459 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1460 const u8 * mac_address)
1462 return vnet_hw_interface_change_mac_address_helper
1463 (vnm, hw_if_index, mac_address);
1466 /* update the unnumbered state of an interface*/
1468 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1469 u32 ip_sw_if_index, u8 enable)
1471 vnet_main_t *vnm = vnet_get_main ();
1472 vnet_sw_interface_t *si;
1475 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1476 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1480 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1481 si->unnumbered_sw_if_index = ip_sw_if_index;
1483 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1484 [unnumbered_sw_if_index] =
1486 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1488 lookup_main.if_address_pool_index_by_sw_if_index
1489 [unnumbered_sw_if_index] =
1491 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1495 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1496 si->unnumbered_sw_if_index = (u32) ~ 0;
1498 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1499 [unnumbered_sw_if_index] = ~0;
1500 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1501 [unnumbered_sw_if_index] = ~0;
1504 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1506 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1507 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1511 vnet_l3_packet_type_t
1512 vnet_link_to_l3_proto (vnet_link_t link)
1517 return (VNET_L3_PACKET_TYPE_IP4);
1519 return (VNET_L3_PACKET_TYPE_IP6);
1520 case VNET_LINK_MPLS:
1521 return (VNET_L3_PACKET_TYPE_MPLS);
1523 return (VNET_L3_PACKET_TYPE_ARP);
1524 case VNET_LINK_ETHERNET:
1534 vnet_link_to_mtu (vnet_link_t link)
1539 return (VNET_MTU_IP4);
1541 return (VNET_MTU_IP6);
1542 case VNET_LINK_MPLS:
1543 return (VNET_MTU_MPLS);
1545 return (VNET_MTU_L3);
1550 default_build_rewrite (vnet_main_t * vnm,
1552 vnet_link_t link_type, const void *dst_address)
1558 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1560 ip_adjacency_t *adj;
1564 switch (adj->lookup_next_index)
1566 case IP_LOOKUP_NEXT_GLEAN:
1567 adj_glean_update_rewrite (ai);
1569 case IP_LOOKUP_NEXT_ARP:
1570 case IP_LOOKUP_NEXT_BCAST:
1572 * default rewrite in neighbour adj
1574 adj_nbr_update_rewrite
1576 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1577 vnet_build_rewrite_for_sw_interface (vnm,
1579 adj_get_link_type (ai), NULL));
1581 case IP_LOOKUP_NEXT_MCAST:
1583 * mcast traffic also uses default rewrite string with no mcast
1584 * switch time updates.
1586 adj_mcast_update_rewrite
1588 vnet_build_rewrite_for_sw_interface (vnm,
1590 adj_get_link_type (ai),
1593 case IP_LOOKUP_NEXT_DROP:
1594 case IP_LOOKUP_NEXT_PUNT:
1595 case IP_LOOKUP_NEXT_LOCAL:
1596 case IP_LOOKUP_NEXT_REWRITE:
1597 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1598 case IP_LOOKUP_NEXT_MIDCHAIN:
1599 case IP_LOOKUP_NEXT_ICMP_ERROR:
1600 case IP_LOOKUP_N_NEXT:
1606 int collect_detailed_interface_stats_flag = 0;
1609 collect_detailed_interface_stats_flag_set (void)
1611 collect_detailed_interface_stats_flag = 1;
1615 collect_detailed_interface_stats_flag_clear (void)
1617 collect_detailed_interface_stats_flag = 0;
1620 static clib_error_t *
1621 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1622 unformat_input_t * input,
1623 vlib_cli_command_t * cmd)
1625 unformat_input_t _line_input, *line_input = &_line_input;
1626 clib_error_t *error = NULL;
1628 /* Get a line of input. */
1629 if (!unformat_user (input, unformat_line_input, line_input))
1630 return clib_error_return (0, "expected enable | disable");
1632 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1634 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1635 collect_detailed_interface_stats_flag_set ();
1636 else if (unformat (line_input, "disable")
1637 || unformat (line_input, "off"))
1638 collect_detailed_interface_stats_flag_clear ();
1641 error = clib_error_return (0, "unknown input `%U'",
1642 format_unformat_error, line_input);
1648 unformat_free (line_input);
1653 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1654 .path = "interface collect detailed-stats",
1655 .short_help = "interface collect detailed-stats <enable|disable>",
1656 .function = collect_detailed_interface_stats_cli,
1661 * fd.io coding-style-patch-verification: ON
1664 * eval: (c-set-style "gnu")