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 |
309 VNET_HW_INTERFACE_FLAG_SPEED_MASK);
312 /* Call hardware interface add/del callbacks. */
314 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
316 /* Already in the desired state? */
317 if (!is_create && (hi->flags & mask) == flags)
320 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
321 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
323 /* Do hardware class (e.g. ethernet). */
324 if (hw_class->link_up_down_function
325 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
329 error = call_elf_section_interface_callbacks
330 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
343 static clib_error_t *
344 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
345 vnet_sw_interface_flags_t flags,
346 vnet_interface_helper_flags_t
349 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
351 clib_error_t *error = 0;
353 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
356 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
362 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
366 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
368 /* Notify everyone when the interface is created as admin up */
369 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
372 sw_interface_admin_up_down_functions);
379 vnet_sw_interface_t *si_sup = si;
381 /* Check that super interface is in correct state. */
382 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
384 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
386 /* Check to see if we're bringing down the soft interface and if it's parent is up */
387 if ((flags != (si_sup->flags & mask)) &&
389 && ((si_sup->flags & mask) ==
390 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
392 error = clib_error_return (0, "super-interface %U must be %U",
393 format_vnet_sw_interface_name, vnm,
395 format_vnet_sw_interface_flags,
401 /* Do not change state for slave link of bonded interfaces */
402 if (si->flags & VNET_SW_INTERFACE_FLAG_BOND_SLAVE)
404 error = clib_error_return
405 (0, "not allowed as %U belong to a BondEthernet interface",
406 format_vnet_sw_interface_name, vnm, si);
410 /* Already in the desired state? */
411 if ((si->flags & mask) == flags)
414 /* Sub-interfaces of hardware interfaces that do no redistribute,
415 do not redistribute themselves. */
416 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
418 vnet_hw_interface_t *hi =
419 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
420 vnet_device_class_t *dev_class =
421 vnet_get_device_class (vnm, hi->dev_class_index);
422 if (!dev_class->redistribute)
424 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
427 /* set the flags now before invoking the registered clients
428 * so that the state they query is consistent with the state here notified */
429 old_flags = si->flags;
432 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
433 error = call_elf_section_interface_callbacks
434 (vnm, sw_if_index, flags,
435 vnm->sw_interface_admin_up_down_functions);
439 /* restore flags on error */
440 si->flags = old_flags;
444 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
446 vnet_hw_interface_t *hi =
447 vnet_get_hw_interface (vnm, si->hw_if_index);
448 vnet_hw_interface_class_t *hw_class =
449 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
450 vnet_device_class_t *dev_class =
451 vnet_get_device_class (vnm, hi->dev_class_index);
453 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
454 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
456 error = clib_error_return (0, "Interface in the error state");
460 /* save the si admin up flag */
461 old_flags = si->flags;
463 /* update si admin up flag in advance if we are going admin down */
464 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
465 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
467 if (dev_class->admin_up_down_function
468 && (error = dev_class->admin_up_down_function (vnm,
472 /* restore si admin up flag to it's original state on errors */
473 si->flags = old_flags;
477 if (hw_class->admin_up_down_function
478 && (error = hw_class->admin_up_down_function (vnm,
482 /* restore si admin up flag to it's original state on errors */
483 si->flags = old_flags;
487 /* Admin down implies link down. */
488 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
489 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
490 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
492 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
505 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
506 vnet_hw_interface_flags_t flags)
508 return vnet_hw_interface_set_flags_helper
509 (vnm, hw_if_index, flags,
510 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
514 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
515 vnet_sw_interface_flags_t flags)
517 return vnet_sw_interface_set_flags_helper
518 (vnm, sw_if_index, flags,
519 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
523 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
524 vnet_sw_interface_t * template)
526 vnet_interface_main_t *im = &vnm->interface_main;
527 vnet_sw_interface_t *sw;
530 pool_get (im->sw_interfaces, sw);
531 sw_if_index = sw - im->sw_interfaces;
536 sw->sw_if_index = sw_if_index;
537 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
538 sw->sup_sw_if_index = sw->sw_if_index;
540 /* Allocate counters for this interface. */
544 vnet_interface_counter_lock (im);
546 for (i = 0; i < vec_len (im->sw_if_counters); i++)
548 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
549 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
552 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
554 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
556 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
560 vnet_interface_counter_unlock (im);
567 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
571 vnet_hw_interface_t *hi;
572 vnet_device_class_t *dev_class;
574 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
575 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
577 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
578 dev_class->subif_add_del_function)
580 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
581 (struct vnet_sw_interface_t
587 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
588 error = vnet_sw_interface_set_flags_helper
589 (vnm, *sw_if_index, template->flags,
590 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
594 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
595 vnet_interface_main_t *im = &vnm->interface_main;
596 vnet_sw_interface_t *sw =
597 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
598 pool_put (im->sw_interfaces, sw);
605 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
607 vnet_interface_main_t *im = &vnm->interface_main;
608 vnet_sw_interface_t *sw =
609 pool_elt_at_index (im->sw_interfaces, sw_if_index);
611 /* Check if the interface has config and is removed from L2 BD or XConnect */
612 vlib_main_t *vm = vlib_get_main ();
613 l2_input_config_t *config;
614 if (sw_if_index < vec_len (l2input_main.configs))
616 config = vec_elt_at_index (l2input_main.configs, sw_if_index);
617 if (config->xconnect)
618 set_int_l2_mode (vm, vnm, MODE_L3, config->output_sw_if_index, 0,
619 L2_BD_PORT_TYPE_NORMAL, 0, 0);
620 if (config->xconnect || config->bridge)
621 set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0,
622 L2_BD_PORT_TYPE_NORMAL, 0, 0);
624 vnet_clear_sw_interface_tag (vnm, sw_if_index);
626 /* Bring down interface in case it is up. */
628 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
630 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
632 pool_put (im->sw_interfaces, sw);
635 static clib_error_t *
636 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
638 return call_elf_section_interface_callbacks
639 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
643 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
645 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
647 if (si->mtu[VNET_MTU_L3] != mtu)
649 si->mtu[VNET_MTU_L3] = mtu;
650 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
655 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
658 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
659 bool changed = false;
662 for (i = 0; i < VNET_N_MTU; i++)
664 if (si->mtu[i] != mtu[i])
670 /* Notify interested parties */
672 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
676 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
677 u32 sw_if_index, u8 enable)
679 vnet_sw_interface_t *si;
681 si = vnet_get_sw_interface (vnm, sw_if_index);
684 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
686 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
688 ip4_directed_broadcast (sw_if_index, enable);
692 * Reflect a change in hardware MTU on protocol MTUs
695 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
698 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
699 return WALK_CONTINUE;
703 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
705 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
707 if (hi->max_packet_bytes != mtu)
709 hi->max_packet_bytes = mtu;
710 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
711 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
717 setup_tx_node (vlib_main_t * vm,
718 u32 node_index, vnet_device_class_t * dev_class)
720 vlib_node_t *n = vlib_get_node (vm, node_index);
722 n->function = dev_class->tx_function;
723 n->format_trace = dev_class->format_tx_trace;
725 vlib_register_errors (vm, node_index,
726 dev_class->tx_function_n_errors,
727 dev_class->tx_function_error_strings);
731 setup_output_node (vlib_main_t * vm,
732 u32 node_index, vnet_hw_interface_class_t * hw_class)
734 vlib_node_t *n = vlib_get_node (vm, node_index);
735 n->format_buffer = hw_class->format_header;
736 n->unformat_buffer = hw_class->unformat_header;
739 /* Register an interface instance. */
741 vnet_register_interface (vnet_main_t * vnm,
744 u32 hw_class_index, u32 hw_instance)
746 vnet_interface_main_t *im = &vnm->interface_main;
747 vnet_hw_interface_t *hw;
748 vnet_device_class_t *dev_class =
749 vnet_get_device_class (vnm, dev_class_index);
750 vnet_hw_interface_class_t *hw_class =
751 vnet_get_hw_interface_class (vnm, hw_class_index);
752 vlib_main_t *vm = vnm->vlib_main;
753 vnet_feature_config_main_t *fcm;
754 vnet_config_main_t *cm;
756 char *tx_node_name = NULL, *output_node_name = NULL;
758 pool_get (im->hw_interfaces, hw);
759 clib_memset (hw, 0, sizeof (*hw));
761 hw_index = hw - im->hw_interfaces;
762 hw->hw_if_index = hw_index;
763 hw->default_rx_mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
765 if (dev_class->format_device_name)
766 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
767 else if (hw_class->format_interface_name)
768 hw->name = format (0, "%U", hw_class->format_interface_name,
771 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
773 if (!im->hw_interface_by_name)
774 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
775 sizeof (hw->name[0]),
778 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
780 /* Make hardware interface point to software interface. */
782 vnet_sw_interface_t sw = {
783 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
784 .flood_class = VNET_FLOOD_CLASS_NORMAL,
785 .hw_if_index = hw_index
787 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
790 hw->dev_class_index = dev_class_index;
791 hw->dev_instance = dev_instance;
792 hw->hw_class_index = hw_class_index;
793 hw->hw_instance = hw_instance;
795 hw->max_rate_bits_per_sec = 0;
796 hw->min_packet_bytes = 0;
797 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
799 if (dev_class->tx_function == 0)
800 goto no_output_nodes; /* No output/tx nodes to create */
802 tx_node_name = (char *) format (0, "%v-tx", hw->name);
803 output_node_name = (char *) format (0, "%v-output", hw->name);
805 /* If we have previously deleted interface nodes, re-use them. */
806 if (vec_len (im->deleted_hw_interface_nodes) > 0)
808 vnet_hw_interface_nodes_t *hn;
810 vlib_node_runtime_t *nrt;
812 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
814 hw->tx_node_index = hn->tx_node_index;
815 hw->output_node_index = hn->output_node_index;
817 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
818 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
822 vnet_interface_output_runtime_t *rt;
824 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
825 ASSERT (rt->is_deleted == 1);
827 rt->hw_if_index = hw_index;
828 rt->sw_if_index = hw->sw_if_index;
829 rt->dev_instance = hw->dev_instance;
831 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
832 rt->hw_if_index = hw_index;
833 rt->sw_if_index = hw->sw_if_index;
834 rt->dev_instance = hw->dev_instance;
838 /* The new class may differ from the old one.
839 * Functions have to be updated. */
840 node = vlib_get_node (vm, hw->output_node_index);
841 node->function = vnet_interface_output_node_multiarch_select ();
842 node->format_trace = format_vnet_interface_output_trace;
845 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
846 nrt->function = node->function;
850 node = vlib_get_node (vm, hw->tx_node_index);
851 node->function = dev_class->tx_function;
852 node->format_trace = dev_class->format_tx_trace;
855 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
856 nrt->function = node->function;
860 _vec_len (im->deleted_hw_interface_nodes) -= 1;
864 vlib_node_registration_t r;
865 vnet_interface_output_runtime_t rt = {
866 .hw_if_index = hw_index,
867 .sw_if_index = hw->sw_if_index,
868 .dev_instance = hw->dev_instance,
872 clib_memset (&r, 0, sizeof (r));
873 r.type = VLIB_NODE_TYPE_INTERNAL;
874 r.runtime_data = &rt;
875 r.runtime_data_bytes = sizeof (rt);
877 r.vector_size = sizeof (u32);
879 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
880 r.name = tx_node_name;
881 r.function = dev_class->tx_function;
883 hw->tx_node_index = vlib_register_node (vm, &r);
885 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
887 VNET_INTERFACE_TX_NEXT_DROP);
890 r.name = output_node_name;
891 r.function = vnet_interface_output_node_multiarch_select ();
892 r.format_trace = format_vnet_interface_output_trace;
897 "interface is deleted",
900 r.n_errors = ARRAY_LEN (e);
903 hw->output_node_index = vlib_register_node (vm, &r);
905 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
907 VNET_INTERFACE_OUTPUT_NEXT_DROP);
908 vlib_node_add_next_with_slot (vm, hw->output_node_index,
910 VNET_INTERFACE_OUTPUT_NEXT_TX);
912 /* add interface to the list of "output-interface" feature arc start nodes
913 and clone nexts from 1st interface if it exists */
914 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
915 cm = &fcm->config_main;
916 i = vec_len (cm->start_node_indices);
917 vec_validate (cm->start_node_indices, i);
918 cm->start_node_indices[i] = hw->output_node_index;
921 /* copy nexts from 1st interface */
922 vnet_hw_interface_t *first_hw;
923 vlib_node_t *first_node;
925 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
926 first_node = vlib_get_node (vm, first_hw->output_node_index);
928 /* 1st 2 nexts are already added above */
929 for (i = 2; i < vec_len (first_node->next_nodes); i++)
930 vlib_node_add_next_with_slot (vm, hw->output_node_index,
931 first_node->next_nodes[i], i);
935 setup_output_node (vm, hw->output_node_index, hw_class);
936 setup_tx_node (vm, hw->tx_node_index, dev_class);
939 /* Call all up/down callbacks with zero flags when interface is created. */
940 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
941 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
942 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
943 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
944 vec_free (tx_node_name);
945 vec_free (output_node_name);
951 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
953 vnet_interface_main_t *im = &vnm->interface_main;
954 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
955 vlib_main_t *vm = vnm->vlib_main;
956 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
957 hw->dev_class_index);
958 /* If it is up, mark it down. */
960 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
962 /* Call delete callbacks. */
963 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
965 /* Delete any sub-interfaces. */
969 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
971 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
972 u64 sup_and_sub_key =
973 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
974 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
975 vnet_delete_sw_interface (vnm, sw_if_index);
977 hash_free (hw->sub_interface_sw_if_index_by_id);
981 /* Delete software interface corresponding to hardware interface. */
982 vnet_delete_sw_interface (vnm, hw->sw_if_index);
984 if (dev_class->tx_function)
986 /* Put output/tx nodes into recycle pool */
987 vnet_hw_interface_nodes_t *dn;
992 vnet_interface_output_runtime_t *rt =
993 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
995 /* Mark node runtime as deleted so output node (if called)
996 * will drop packets. */
1001 vlib_node_rename (vm, hw->output_node_index,
1002 "interface-%d-output-deleted", hw_if_index);
1003 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
1005 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
1006 dn->tx_node_index = hw->tx_node_index;
1007 dn->output_node_index = hw->output_node_index;
1010 hash_unset_mem (im->hw_interface_by_name, hw->name);
1011 vec_free (hw->name);
1012 vec_free (hw->hw_address);
1013 vec_free (hw->input_node_thread_index_by_queue);
1014 vec_free (hw->dq_runtime_index_by_queue);
1016 pool_put (im->hw_interfaces, hw);
1020 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1022 vnet_hw_sw_interface_walk_t fn, void *ctx)
1024 vnet_hw_interface_t *hi;
1025 u32 id, sw_if_index;
1027 hi = vnet_get_hw_interface (vnm, hw_if_index);
1028 /* the super first, then the sub interfaces */
1029 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1033 hash_foreach (id, sw_if_index,
1034 hi->sub_interface_sw_if_index_by_id,
1036 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1043 vnet_hw_interface_walk (vnet_main_t * vnm,
1044 vnet_hw_interface_walk_t fn, void *ctx)
1046 vnet_interface_main_t *im;
1047 vnet_hw_interface_t *hi;
1049 im = &vnm->interface_main;
1052 pool_foreach (hi, im->hw_interfaces,
1054 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1061 vnet_sw_interface_walk (vnet_main_t * vnm,
1062 vnet_sw_interface_walk_t fn, void *ctx)
1064 vnet_interface_main_t *im;
1065 vnet_sw_interface_t *si;
1067 im = &vnm->interface_main;
1070 pool_foreach (si, im->sw_interfaces,
1072 if (WALK_STOP == fn (vnm, si, ctx))
1079 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1080 u32 hw_class_index, u32 hw_instance)
1082 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1083 vnet_hw_interface_class_t *hc =
1084 vnet_get_hw_interface_class (vnm, hw_class_index);
1086 hi->hw_class_index = hw_class_index;
1087 hi->hw_instance = hw_instance;
1088 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1091 static clib_error_t *
1092 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1093 u32 hw_class_index, u32 redistribute)
1095 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1096 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1097 vnet_hw_interface_class_t *old_class =
1098 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1099 vnet_hw_interface_class_t *new_class =
1100 vnet_get_hw_interface_class (vnm, hw_class_index);
1101 vnet_device_class_t *dev_class =
1102 vnet_get_device_class (vnm, hi->dev_class_index);
1103 clib_error_t *error = 0;
1105 /* New class equals old class? Nothing to do. */
1106 if (hi->hw_class_index == hw_class_index)
1109 /* No need (and incorrect since admin up flag may be set) to do error checking when
1110 receiving unserialize message. */
1113 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1114 return clib_error_return (0,
1115 "%v must be admin down to change class from %s to %s",
1116 hi->name, old_class->name, new_class->name);
1118 /* Make sure interface supports given class. */
1119 if ((new_class->is_valid_class_for_interface
1120 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1122 || (dev_class->is_valid_class_for_interface
1123 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1125 return clib_error_return (0,
1126 "%v class cannot be changed from %s to %s",
1127 hi->name, old_class->name, new_class->name);
1131 if (old_class->hw_class_change)
1132 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1135 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1138 if (new_class->hw_class_change)
1139 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1142 if (dev_class->hw_class_change)
1143 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1149 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1152 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1153 /* redistribute */ 1);
1157 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1162 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1163 vnet_device_class_t *dev_class = vnet_get_device_class
1164 (vnm, hi->dev_class_index);
1166 if (dev_class->rx_redirect_to_node)
1168 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1172 return VNET_API_ERROR_UNIMPLEMENTED;
1176 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1179 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1181 1 /* redistribute */ );
1185 vnet_sw_interface_compare (vnet_main_t * vnm,
1186 uword sw_if_index0, uword sw_if_index1)
1188 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1189 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1190 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1191 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1194 return vec_cmp (h0->name, h1->name);
1195 return (word) h0->hw_instance - (word) h1->hw_instance;
1199 vnet_hw_interface_compare (vnet_main_t * vnm,
1200 uword hw_if_index0, uword hw_if_index1)
1202 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1203 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1206 return vec_cmp (h0->name, h1->name);
1207 return (word) h0->hw_instance - (word) h1->hw_instance;
1211 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1213 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1214 if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
1215 (si->type == VNET_SW_INTERFACE_TYPE_PIPE))
1218 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1219 vnet_hw_interface_class_t *hc =
1220 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1222 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1226 vnet_interface_init (vlib_main_t * vm)
1228 vnet_main_t *vnm = vnet_get_main ();
1229 vnet_interface_main_t *im = &vnm->interface_main;
1230 vlib_buffer_t *b = 0;
1231 vnet_buffer_opaque_t *o = 0;
1232 clib_error_t *error;
1235 * Keep people from shooting themselves in the foot.
1237 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1239 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1241 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1242 #a, sizeof(o->a), sizeof (o->unused));
1243 foreach_buffer_opaque_union_subtype;
1246 return clib_error_return
1247 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1248 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1251 im->sw_if_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
1252 CLIB_CACHE_LINE_BYTES);
1253 im->sw_if_counter_lock[0] = 1; /* should be no need */
1255 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1257 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1258 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1259 foreach_simple_interface_counter_name
1261 vec_validate (im->combined_sw_if_counters,
1262 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1264 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1265 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1266 foreach_combined_interface_counter_name
1268 im->sw_if_counter_lock[0] = 0;
1270 im->device_class_by_name = hash_create_string ( /* size */ 0,
1273 vnet_device_class_t *c;
1275 c = vnm->device_class_registrations;
1279 c->index = vec_len (im->device_classes);
1280 hash_set_mem (im->device_class_by_name, c->name, c->index);
1282 if (c->tx_fn_registrations)
1284 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1287 /* to avoid confusion, please remove ".tx_function" statement
1288 from VNET_DEVICE_CLASS() if using function candidates */
1289 ASSERT (c->tx_function == 0);
1293 if (fnr->priority > priority)
1295 priority = fnr->priority;
1296 c->tx_function = fnr->function;
1298 fnr = fnr->next_registration;
1302 vec_add1 (im->device_classes, c[0]);
1303 c = c->next_class_registration;
1307 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1310 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1313 vnet_hw_interface_class_t *c;
1315 c = vnm->hw_interface_class_registrations;
1319 c->index = vec_len (im->hw_interface_classes);
1320 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1322 if (NULL == c->build_rewrite)
1323 c->build_rewrite = default_build_rewrite;
1324 if (NULL == c->update_adjacency)
1325 c->update_adjacency = default_update_adjacency;
1327 vec_add1 (im->hw_interface_classes, c[0]);
1328 c = c->next_class_registration;
1332 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1335 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1337 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1338 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1345 VLIB_INIT_FUNCTION (vnet_interface_init);
1347 /* Kludge to renumber interface names [only!] */
1349 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1352 vnet_main_t *vnm = vnet_get_main ();
1353 vnet_interface_main_t *im = &vnm->interface_main;
1354 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1356 vnet_device_class_t *dev_class = vnet_get_device_class
1357 (vnm, hi->dev_class_index);
1359 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1360 return VNET_API_ERROR_UNIMPLEMENTED;
1362 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1367 hash_unset_mem (im->hw_interface_by_name, hi->name);
1368 vec_free (hi->name);
1369 /* Use the mapping we set up to call it Ishmael */
1370 hi->name = format (0, "%U", dev_class->format_device_name,
1373 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1378 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1380 vnet_interface_main_t *im = &vnm->interface_main;
1381 vlib_main_t *vm = vnm->vlib_main;
1382 vnet_hw_interface_t *hw;
1384 clib_error_t *error = 0;
1386 hw = vnet_get_hw_interface (vnm, hw_if_index);
1389 return clib_error_return (0,
1390 "unable to find hw interface for index %u",
1394 old_name = hw->name;
1396 /* set new hw->name */
1397 hw->name = format (0, "%s", new_name);
1399 /* remove the old name to hw_if_index mapping and install the new one */
1400 hash_unset_mem (im->hw_interface_by_name, old_name);
1401 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1403 /* rename tx/output nodes */
1404 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1405 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1407 /* free the old name vector */
1408 vec_free (old_name);
1413 static clib_error_t *
1414 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1416 const u8 * mac_address)
1418 clib_error_t *error = 0;
1419 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1423 u8 *old_address = vec_dup (hi->hw_address);
1424 vnet_device_class_t *dev_class =
1425 vnet_get_device_class (vnm, hi->dev_class_index);
1426 if (dev_class->mac_addr_change_function)
1429 dev_class->mac_addr_change_function (hi, old_address,
1434 vnet_hw_interface_class_t *hw_class;
1436 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1438 if (NULL != hw_class->mac_addr_change_function)
1439 hw_class->mac_addr_change_function (hi, old_address, mac_address);
1444 clib_error_return (0,
1445 "MAC Address Change is not supported on this interface");
1447 vec_free (old_address);
1452 clib_error_return (0,
1453 "mac address change is not supported for interface index %u",
1460 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1461 const u8 * mac_address)
1463 return vnet_hw_interface_change_mac_address_helper
1464 (vnm, hw_if_index, mac_address);
1467 /* update the unnumbered state of an interface*/
1469 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1470 u32 ip_sw_if_index, u8 enable)
1472 vnet_main_t *vnm = vnet_get_main ();
1473 vnet_sw_interface_t *si;
1476 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1477 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1481 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1482 si->unnumbered_sw_if_index = ip_sw_if_index;
1484 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1485 [unnumbered_sw_if_index] =
1487 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1489 lookup_main.if_address_pool_index_by_sw_if_index
1490 [unnumbered_sw_if_index] =
1492 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1496 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1497 si->unnumbered_sw_if_index = (u32) ~ 0;
1499 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1500 [unnumbered_sw_if_index] = ~0;
1501 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1502 [unnumbered_sw_if_index] = ~0;
1505 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1507 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1508 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1512 vnet_l3_packet_type_t
1513 vnet_link_to_l3_proto (vnet_link_t link)
1518 return (VNET_L3_PACKET_TYPE_IP4);
1520 return (VNET_L3_PACKET_TYPE_IP6);
1521 case VNET_LINK_MPLS:
1522 return (VNET_L3_PACKET_TYPE_MPLS);
1524 return (VNET_L3_PACKET_TYPE_ARP);
1525 case VNET_LINK_ETHERNET:
1535 vnet_link_to_mtu (vnet_link_t link)
1540 return (VNET_MTU_IP4);
1542 return (VNET_MTU_IP6);
1543 case VNET_LINK_MPLS:
1544 return (VNET_MTU_MPLS);
1546 return (VNET_MTU_L3);
1551 default_build_rewrite (vnet_main_t * vnm,
1553 vnet_link_t link_type, const void *dst_address)
1559 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1561 ip_adjacency_t *adj;
1565 switch (adj->lookup_next_index)
1567 case IP_LOOKUP_NEXT_GLEAN:
1568 adj_glean_update_rewrite (ai);
1570 case IP_LOOKUP_NEXT_ARP:
1571 case IP_LOOKUP_NEXT_BCAST:
1573 * default rewrite in neighbour adj
1575 adj_nbr_update_rewrite
1577 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1578 vnet_build_rewrite_for_sw_interface (vnm,
1580 adj_get_link_type (ai), NULL));
1582 case IP_LOOKUP_NEXT_MCAST:
1584 * mcast traffic also uses default rewrite string with no mcast
1585 * switch time updates.
1587 adj_mcast_update_rewrite
1589 vnet_build_rewrite_for_sw_interface (vnm,
1591 adj_get_link_type (ai),
1594 case IP_LOOKUP_NEXT_DROP:
1595 case IP_LOOKUP_NEXT_PUNT:
1596 case IP_LOOKUP_NEXT_LOCAL:
1597 case IP_LOOKUP_NEXT_REWRITE:
1598 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1599 case IP_LOOKUP_NEXT_MIDCHAIN:
1600 case IP_LOOKUP_NEXT_ICMP_ERROR:
1601 case IP_LOOKUP_N_NEXT:
1607 int collect_detailed_interface_stats_flag = 0;
1610 collect_detailed_interface_stats_flag_set (void)
1612 collect_detailed_interface_stats_flag = 1;
1616 collect_detailed_interface_stats_flag_clear (void)
1618 collect_detailed_interface_stats_flag = 0;
1621 static clib_error_t *
1622 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1623 unformat_input_t * input,
1624 vlib_cli_command_t * cmd)
1626 unformat_input_t _line_input, *line_input = &_line_input;
1627 clib_error_t *error = NULL;
1629 /* Get a line of input. */
1630 if (!unformat_user (input, unformat_line_input, line_input))
1631 return clib_error_return (0, "expected enable | disable");
1633 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1635 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1636 collect_detailed_interface_stats_flag_set ();
1637 else if (unformat (line_input, "disable")
1638 || unformat (line_input, "off"))
1639 collect_detailed_interface_stats_flag_clear ();
1642 error = clib_error_return (0, "unknown input `%U'",
1643 format_unformat_error, line_input);
1649 unformat_free (line_input);
1654 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1655 .path = "interface collect detailed-stats",
1656 .short_help = "interface collect detailed-stats <enable|disable>",
1657 .function = collect_detailed_interface_stats_cli,
1662 * fd.io coding-style-patch-verification: ON
1665 * eval: (c-set-style "gnu")