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));
113 serialize_vnet_interface_state (serialize_main_t * m, va_list * va)
115 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
116 vnet_sw_hw_interface_state_t *sts = 0, *st;
117 vnet_sw_interface_t *sif;
118 vnet_hw_interface_t *hif;
119 vnet_interface_main_t *im = &vnm->interface_main;
121 /* Serialize hardware interface classes since they may have changed.
122 Must do this before sending up/down flags. */
124 pool_foreach (hif, im->hw_interfaces, ({
125 vnet_hw_interface_class_t * hw_class = vnet_get_hw_interface_class (vnm, hif->hw_class_index);
126 serialize_cstring (m, hw_class->name);
130 /* Send sw/hw interface state when non-zero. */
132 pool_foreach (sif, im->sw_interfaces, ({
135 vec_add2 (sts, st, 1);
136 st->sw_hw_if_index = sif->sw_if_index;
137 st->flags = sif->flags;
142 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
148 pool_foreach (hif, im->hw_interfaces, ({
151 vec_add2 (sts, st, 1);
152 st->sw_hw_if_index = hif->hw_if_index;
153 st->flags = hif->flags;
158 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
164 unserialize_vnet_interface_state (serialize_main_t * m, va_list * va)
166 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
167 vnet_sw_hw_interface_state_t *sts = 0, *st;
169 /* First set interface hardware class. */
171 vnet_interface_main_t *im = &vnm->interface_main;
172 vnet_hw_interface_t *hif;
178 pool_foreach (hif, im->hw_interfaces, ({
179 unserialize_cstring (m, &class_name);
180 p = hash_get_mem (im->hw_interface_class_by_name, class_name);
182 error = vnet_hw_interface_set_class_helper (vnm, hif->hw_if_index, p[0], /* redistribute */ 0);
184 clib_error_report (error);
185 vec_free (class_name);
190 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
191 vec_foreach (st, sts)
192 vnet_sw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
193 /* no distribute */ 0);
196 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
197 vec_foreach (st, sts)
198 vnet_hw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
199 /* no distribute */ 0);
203 static clib_error_t *
204 call_elf_section_interface_callbacks (vnet_main_t * vnm, u32 if_index,
206 _vnet_interface_function_list_elt_t **
209 _vnet_interface_function_list_elt_t *elt;
210 vnet_interface_function_priority_t prio;
211 clib_error_t *error = 0;
213 for (prio = VNET_ITF_FUNC_PRIORITY_LOW;
214 prio <= VNET_ITF_FUNC_PRIORITY_HIGH; prio++)
220 error = elt->fp (vnm, if_index, flags);
223 elt = elt->next_interface_function;
229 static clib_error_t *
230 call_hw_interface_add_del_callbacks (vnet_main_t * vnm, u32 hw_if_index,
233 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
234 vnet_hw_interface_class_t *hw_class =
235 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
236 vnet_device_class_t *dev_class =
237 vnet_get_device_class (vnm, hi->dev_class_index);
238 clib_error_t *error = 0;
240 if (hw_class->interface_add_del_function
242 hw_class->interface_add_del_function (vnm, hw_if_index, is_create)))
245 if (dev_class->interface_add_del_function
247 dev_class->interface_add_del_function (vnm, hw_if_index,
251 error = call_elf_section_interface_callbacks
252 (vnm, hw_if_index, is_create, vnm->hw_interface_add_del_functions);
257 static clib_error_t *
258 call_sw_interface_add_del_callbacks (vnet_main_t * vnm, u32 sw_if_index,
261 return call_elf_section_interface_callbacks
262 (vnm, sw_if_index, is_create, vnm->sw_interface_add_del_functions);
265 #define VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE (1 << 0)
266 #define VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE (1 << 1)
268 static clib_error_t *
269 vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
270 vnet_hw_interface_flags_t flags,
271 vnet_interface_helper_flags_t
274 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
275 vnet_hw_interface_class_t *hw_class =
276 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
278 clib_error_t *error = 0;
280 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
283 (VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK |
284 VNET_HW_INTERFACE_FLAG_SPEED_MASK);
287 /* Call hardware interface add/del callbacks. */
289 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
291 /* Already in the desired state? */
292 if (!is_create && (hi->flags & mask) == flags)
295 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
296 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
298 /* Do hardware class (e.g. ethernet). */
299 if (hw_class->link_up_down_function
300 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
304 error = call_elf_section_interface_callbacks
305 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
318 static clib_error_t *
319 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
320 vnet_sw_interface_flags_t flags,
321 vnet_interface_helper_flags_t
324 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
326 clib_error_t *error = 0;
328 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
331 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
337 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
341 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
343 /* Notify everyone when the interface is created as admin up */
344 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
347 sw_interface_admin_up_down_functions);
354 vnet_sw_interface_t *si_sup = si;
356 /* Check that super interface is in correct state. */
357 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
359 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
361 /* Check to see if we're bringing down the soft interface and if it's parent is up */
362 if ((flags != (si_sup->flags & mask)) &&
364 && ((si_sup->flags & mask) ==
365 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
367 error = clib_error_return (0, "super-interface %U must be %U",
368 format_vnet_sw_interface_name, vnm,
370 format_vnet_sw_interface_flags,
376 /* Do not change state for slave link of bonded interfaces */
377 if (si->flags & VNET_SW_INTERFACE_FLAG_BOND_SLAVE)
379 error = clib_error_return
380 (0, "not allowed as %U belong to a BondEthernet interface",
381 format_vnet_sw_interface_name, vnm, si);
385 /* Already in the desired state? */
386 if ((si->flags & mask) == flags)
389 /* Sub-interfaces of hardware interfaces that do no redistribute,
390 do not redistribute themselves. */
391 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
393 vnet_hw_interface_t *hi =
394 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
395 vnet_device_class_t *dev_class =
396 vnet_get_device_class (vnm, hi->dev_class_index);
397 if (!dev_class->redistribute)
399 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
402 /* set the flags now before invoking the registered clients
403 * so that the state they query is consistent with the state here notified */
404 old_flags = si->flags;
407 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
408 error = call_elf_section_interface_callbacks
409 (vnm, sw_if_index, flags,
410 vnm->sw_interface_admin_up_down_functions);
414 /* restore flags on error */
415 si->flags = old_flags;
419 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
421 vnet_hw_interface_t *hi =
422 vnet_get_hw_interface (vnm, si->hw_if_index);
423 vnet_hw_interface_class_t *hw_class =
424 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
425 vnet_device_class_t *dev_class =
426 vnet_get_device_class (vnm, hi->dev_class_index);
428 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
429 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
431 error = clib_error_return (0, "Interface in the error state");
435 /* save the si admin up flag */
436 old_flags = si->flags;
438 /* update si admin up flag in advance if we are going admin down */
439 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
440 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
442 if (dev_class->admin_up_down_function
443 && (error = dev_class->admin_up_down_function (vnm,
447 /* restore si admin up flag to it's original state on errors */
448 si->flags = old_flags;
452 if (hw_class->admin_up_down_function
453 && (error = hw_class->admin_up_down_function (vnm,
457 /* restore si admin up flag to it's original state on errors */
458 si->flags = old_flags;
462 /* Admin down implies link down. */
463 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
464 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
465 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
467 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
480 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
481 vnet_hw_interface_flags_t flags)
483 return vnet_hw_interface_set_flags_helper
484 (vnm, hw_if_index, flags,
485 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
489 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
490 vnet_sw_interface_flags_t flags)
492 return vnet_sw_interface_set_flags_helper
493 (vnm, sw_if_index, flags,
494 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
498 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
499 vnet_sw_interface_t * template)
501 vnet_interface_main_t *im = &vnm->interface_main;
502 vnet_sw_interface_t *sw;
505 pool_get (im->sw_interfaces, sw);
506 sw_if_index = sw - im->sw_interfaces;
511 sw->sw_if_index = sw_if_index;
512 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
513 sw->sup_sw_if_index = sw->sw_if_index;
515 /* Allocate counters for this interface. */
519 vnet_interface_counter_lock (im);
521 for (i = 0; i < vec_len (im->sw_if_counters); i++)
523 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
524 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
527 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
529 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
531 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
535 vnet_interface_counter_unlock (im);
542 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
546 vnet_hw_interface_t *hi;
547 vnet_device_class_t *dev_class;
549 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
550 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
552 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
553 dev_class->subif_add_del_function)
555 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
556 (struct vnet_sw_interface_t
562 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
563 error = vnet_sw_interface_set_flags_helper
564 (vnm, *sw_if_index, template->flags,
565 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
569 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
570 vnet_interface_main_t *im = &vnm->interface_main;
571 vnet_sw_interface_t *sw =
572 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
573 pool_put (im->sw_interfaces, sw);
580 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
582 vnet_interface_main_t *im = &vnm->interface_main;
583 vnet_sw_interface_t *sw =
584 pool_elt_at_index (im->sw_interfaces, sw_if_index);
586 /* Check if the interface has config and is removed from L2 BD or XConnect */
587 vlib_main_t *vm = vlib_get_main ();
588 l2_input_config_t *config;
589 if (sw_if_index < vec_len (l2input_main.configs))
591 config = vec_elt_at_index (l2input_main.configs, sw_if_index);
592 if (config->xconnect)
593 set_int_l2_mode (vm, vnm, MODE_L3, config->output_sw_if_index, 0,
594 L2_BD_PORT_TYPE_NORMAL, 0, 0);
595 if (config->xconnect || config->bridge)
596 set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0,
597 L2_BD_PORT_TYPE_NORMAL, 0, 0);
599 vnet_clear_sw_interface_tag (vnm, sw_if_index);
601 /* Bring down interface in case it is up. */
603 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
605 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
607 pool_put (im->sw_interfaces, sw);
610 static clib_error_t *
611 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
613 return call_elf_section_interface_callbacks
614 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
618 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
620 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
622 if (si->mtu[VNET_MTU_L3] != mtu)
624 si->mtu[VNET_MTU_L3] = mtu;
625 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
630 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
633 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
634 bool changed = false;
637 for (i = 0; i < VNET_N_MTU; i++)
639 if (si->mtu[i] != mtu[i])
645 /* Notify interested parties */
647 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
651 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
652 u32 sw_if_index, u8 enable)
654 vnet_sw_interface_t *si;
656 si = vnet_get_sw_interface (vnm, sw_if_index);
659 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
661 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
663 ip4_directed_broadcast (sw_if_index, enable);
667 * Reflect a change in hardware MTU on protocol MTUs
670 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
673 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
674 return WALK_CONTINUE;
678 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
680 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
682 if (hi->max_packet_bytes != mtu)
684 hi->max_packet_bytes = mtu;
685 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
686 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
692 setup_tx_node (vlib_main_t * vm,
693 u32 node_index, vnet_device_class_t * dev_class)
695 vlib_node_t *n = vlib_get_node (vm, node_index);
697 n->function = dev_class->tx_function;
698 n->format_trace = dev_class->format_tx_trace;
700 vlib_register_errors (vm, node_index,
701 dev_class->tx_function_n_errors,
702 dev_class->tx_function_error_strings);
706 setup_output_node (vlib_main_t * vm,
707 u32 node_index, vnet_hw_interface_class_t * hw_class)
709 vlib_node_t *n = vlib_get_node (vm, node_index);
710 n->format_buffer = hw_class->format_header;
711 n->unformat_buffer = hw_class->unformat_header;
714 /* Register an interface instance. */
716 vnet_register_interface (vnet_main_t * vnm,
719 u32 hw_class_index, u32 hw_instance)
721 vnet_interface_main_t *im = &vnm->interface_main;
722 vnet_hw_interface_t *hw;
723 vnet_device_class_t *dev_class =
724 vnet_get_device_class (vnm, dev_class_index);
725 vnet_hw_interface_class_t *hw_class =
726 vnet_get_hw_interface_class (vnm, hw_class_index);
727 vlib_main_t *vm = vnm->vlib_main;
728 vnet_feature_config_main_t *fcm;
729 vnet_config_main_t *cm;
731 char *tx_node_name = NULL, *output_node_name = NULL;
733 pool_get (im->hw_interfaces, hw);
734 clib_memset (hw, 0, sizeof (*hw));
736 hw_index = hw - im->hw_interfaces;
737 hw->hw_if_index = hw_index;
738 hw->default_rx_mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
740 if (dev_class->format_device_name)
741 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
742 else if (hw_class->format_interface_name)
743 hw->name = format (0, "%U", hw_class->format_interface_name,
746 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
748 if (!im->hw_interface_by_name)
749 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
750 sizeof (hw->name[0]),
753 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
755 /* Make hardware interface point to software interface. */
757 vnet_sw_interface_t sw = {
758 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
759 .flood_class = VNET_FLOOD_CLASS_NORMAL,
760 .hw_if_index = hw_index
762 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
765 hw->dev_class_index = dev_class_index;
766 hw->dev_instance = dev_instance;
767 hw->hw_class_index = hw_class_index;
768 hw->hw_instance = hw_instance;
770 hw->max_rate_bits_per_sec = 0;
771 hw->min_packet_bytes = 0;
772 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
774 if (dev_class->tx_function == 0)
775 goto no_output_nodes; /* No output/tx nodes to create */
777 tx_node_name = (char *) format (0, "%v-tx", hw->name);
778 output_node_name = (char *) format (0, "%v-output", hw->name);
780 /* If we have previously deleted interface nodes, re-use them. */
781 if (vec_len (im->deleted_hw_interface_nodes) > 0)
783 vnet_hw_interface_nodes_t *hn;
785 vlib_node_runtime_t *nrt;
787 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
789 hw->tx_node_index = hn->tx_node_index;
790 hw->output_node_index = hn->output_node_index;
792 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
793 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
797 vnet_interface_output_runtime_t *rt;
799 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
800 ASSERT (rt->is_deleted == 1);
802 rt->hw_if_index = hw_index;
803 rt->sw_if_index = hw->sw_if_index;
804 rt->dev_instance = hw->dev_instance;
806 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
807 rt->hw_if_index = hw_index;
808 rt->sw_if_index = hw->sw_if_index;
809 rt->dev_instance = hw->dev_instance;
813 /* The new class may differ from the old one.
814 * Functions have to be updated. */
815 node = vlib_get_node (vm, hw->output_node_index);
816 node->function = vnet_interface_output_node_multiarch_select ();
817 node->format_trace = format_vnet_interface_output_trace;
820 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
821 nrt->function = node->function;
825 node = vlib_get_node (vm, hw->tx_node_index);
826 node->function = dev_class->tx_function;
827 node->format_trace = dev_class->format_tx_trace;
830 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
831 nrt->function = node->function;
835 _vec_len (im->deleted_hw_interface_nodes) -= 1;
839 vlib_node_registration_t r;
840 vnet_interface_output_runtime_t rt = {
841 .hw_if_index = hw_index,
842 .sw_if_index = hw->sw_if_index,
843 .dev_instance = hw->dev_instance,
847 clib_memset (&r, 0, sizeof (r));
848 r.type = VLIB_NODE_TYPE_INTERNAL;
849 r.runtime_data = &rt;
850 r.runtime_data_bytes = sizeof (rt);
852 r.vector_size = sizeof (u32);
854 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
855 r.name = tx_node_name;
856 r.function = dev_class->tx_function;
858 hw->tx_node_index = vlib_register_node (vm, &r);
860 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
862 VNET_INTERFACE_TX_NEXT_DROP);
865 r.name = output_node_name;
866 r.function = vnet_interface_output_node_multiarch_select ();
867 r.format_trace = format_vnet_interface_output_trace;
872 "interface is deleted",
875 r.n_errors = ARRAY_LEN (e);
878 hw->output_node_index = vlib_register_node (vm, &r);
880 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
882 VNET_INTERFACE_OUTPUT_NEXT_DROP);
883 vlib_node_add_next_with_slot (vm, hw->output_node_index,
885 VNET_INTERFACE_OUTPUT_NEXT_TX);
887 /* add interface to the list of "output-interface" feature arc start nodes
888 and clone nexts from 1st interface if it exists */
889 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
890 cm = &fcm->config_main;
891 i = vec_len (cm->start_node_indices);
892 vec_validate (cm->start_node_indices, i);
893 cm->start_node_indices[i] = hw->output_node_index;
896 /* copy nexts from 1st interface */
897 vnet_hw_interface_t *first_hw;
898 vlib_node_t *first_node;
900 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
901 first_node = vlib_get_node (vm, first_hw->output_node_index);
903 /* 1st 2 nexts are already added above */
904 for (i = 2; i < vec_len (first_node->next_nodes); i++)
905 vlib_node_add_next_with_slot (vm, hw->output_node_index,
906 first_node->next_nodes[i], i);
910 setup_output_node (vm, hw->output_node_index, hw_class);
911 setup_tx_node (vm, hw->tx_node_index, dev_class);
914 /* Call all up/down callbacks with zero flags when interface is created. */
915 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
916 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
917 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
918 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
919 vec_free (tx_node_name);
920 vec_free (output_node_name);
926 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
928 vnet_interface_main_t *im = &vnm->interface_main;
929 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
930 vlib_main_t *vm = vnm->vlib_main;
931 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
932 hw->dev_class_index);
933 /* If it is up, mark it down. */
935 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
937 /* Call delete callbacks. */
938 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
940 /* Delete any sub-interfaces. */
944 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
946 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
947 u64 sup_and_sub_key =
948 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
949 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
950 vnet_delete_sw_interface (vnm, sw_if_index);
952 hash_free (hw->sub_interface_sw_if_index_by_id);
956 /* Delete software interface corresponding to hardware interface. */
957 vnet_delete_sw_interface (vnm, hw->sw_if_index);
959 if (dev_class->tx_function)
961 /* Put output/tx nodes into recycle pool */
962 vnet_hw_interface_nodes_t *dn;
967 vnet_interface_output_runtime_t *rt =
968 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
970 /* Mark node runtime as deleted so output node (if called)
971 * will drop packets. */
976 vlib_node_rename (vm, hw->output_node_index,
977 "interface-%d-output-deleted", hw_if_index);
978 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
980 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
981 dn->tx_node_index = hw->tx_node_index;
982 dn->output_node_index = hw->output_node_index;
985 hash_unset_mem (im->hw_interface_by_name, hw->name);
987 vec_free (hw->hw_address);
988 vec_free (hw->input_node_thread_index_by_queue);
989 vec_free (hw->dq_runtime_index_by_queue);
991 pool_put (im->hw_interfaces, hw);
995 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
997 vnet_hw_sw_interface_walk_t fn, void *ctx)
999 vnet_hw_interface_t *hi;
1000 u32 id, sw_if_index;
1002 hi = vnet_get_hw_interface (vnm, hw_if_index);
1003 /* the super first, then the sub interfaces */
1004 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1008 hash_foreach (id, sw_if_index,
1009 hi->sub_interface_sw_if_index_by_id,
1011 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1018 vnet_hw_interface_walk (vnet_main_t * vnm,
1019 vnet_hw_interface_walk_t fn, void *ctx)
1021 vnet_interface_main_t *im;
1022 vnet_hw_interface_t *hi;
1024 im = &vnm->interface_main;
1027 pool_foreach (hi, im->hw_interfaces,
1029 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1036 vnet_sw_interface_walk (vnet_main_t * vnm,
1037 vnet_sw_interface_walk_t fn, void *ctx)
1039 vnet_interface_main_t *im;
1040 vnet_sw_interface_t *si;
1042 im = &vnm->interface_main;
1045 pool_foreach (si, im->sw_interfaces,
1047 if (WALK_STOP == fn (vnm, si, ctx))
1054 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1055 u32 hw_class_index, u32 hw_instance)
1057 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1058 vnet_hw_interface_class_t *hc =
1059 vnet_get_hw_interface_class (vnm, hw_class_index);
1061 hi->hw_class_index = hw_class_index;
1062 hi->hw_instance = hw_instance;
1063 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1066 static clib_error_t *
1067 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1068 u32 hw_class_index, u32 redistribute)
1070 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1071 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1072 vnet_hw_interface_class_t *old_class =
1073 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1074 vnet_hw_interface_class_t *new_class =
1075 vnet_get_hw_interface_class (vnm, hw_class_index);
1076 vnet_device_class_t *dev_class =
1077 vnet_get_device_class (vnm, hi->dev_class_index);
1078 clib_error_t *error = 0;
1080 /* New class equals old class? Nothing to do. */
1081 if (hi->hw_class_index == hw_class_index)
1084 /* No need (and incorrect since admin up flag may be set) to do error checking when
1085 receiving unserialize message. */
1088 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1089 return clib_error_return (0,
1090 "%v must be admin down to change class from %s to %s",
1091 hi->name, old_class->name, new_class->name);
1093 /* Make sure interface supports given class. */
1094 if ((new_class->is_valid_class_for_interface
1095 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1097 || (dev_class->is_valid_class_for_interface
1098 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1100 return clib_error_return (0,
1101 "%v class cannot be changed from %s to %s",
1102 hi->name, old_class->name, new_class->name);
1106 if (old_class->hw_class_change)
1107 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1110 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1113 if (new_class->hw_class_change)
1114 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1117 if (dev_class->hw_class_change)
1118 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1124 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1127 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1128 /* redistribute */ 1);
1132 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1137 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1138 vnet_device_class_t *dev_class = vnet_get_device_class
1139 (vnm, hi->dev_class_index);
1141 if (dev_class->rx_redirect_to_node)
1143 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1147 return VNET_API_ERROR_UNIMPLEMENTED;
1151 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1154 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1156 1 /* redistribute */ );
1160 vnet_sw_interface_compare (vnet_main_t * vnm,
1161 uword sw_if_index0, uword sw_if_index1)
1163 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1164 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1165 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1166 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1169 return vec_cmp (h0->name, h1->name);
1170 return (word) h0->hw_instance - (word) h1->hw_instance;
1174 vnet_hw_interface_compare (vnet_main_t * vnm,
1175 uword hw_if_index0, uword hw_if_index1)
1177 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1178 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1181 return vec_cmp (h0->name, h1->name);
1182 return (word) h0->hw_instance - (word) h1->hw_instance;
1186 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1188 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1189 if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
1190 (si->type == VNET_SW_INTERFACE_TYPE_PIPE))
1193 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1194 vnet_hw_interface_class_t *hc =
1195 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1197 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1201 vnet_interface_init (vlib_main_t * vm)
1203 vnet_main_t *vnm = vnet_get_main ();
1204 vnet_interface_main_t *im = &vnm->interface_main;
1205 vlib_buffer_t *b = 0;
1206 vnet_buffer_opaque_t *o = 0;
1207 clib_error_t *error;
1210 * Keep people from shooting themselves in the foot.
1212 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1214 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1216 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1217 #a, sizeof(o->a), sizeof (o->unused));
1218 foreach_buffer_opaque_union_subtype;
1221 return clib_error_return
1222 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1223 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1226 im->sw_if_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
1227 CLIB_CACHE_LINE_BYTES);
1228 im->sw_if_counter_lock[0] = 1; /* should be no need */
1230 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1232 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1233 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1234 foreach_simple_interface_counter_name
1236 vec_validate (im->combined_sw_if_counters,
1237 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1239 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1240 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1241 foreach_combined_interface_counter_name
1243 im->sw_if_counter_lock[0] = 0;
1245 im->device_class_by_name = hash_create_string ( /* size */ 0,
1248 vnet_device_class_t *c;
1250 c = vnm->device_class_registrations;
1254 c->index = vec_len (im->device_classes);
1255 hash_set_mem (im->device_class_by_name, c->name, c->index);
1257 if (c->tx_fn_registrations)
1259 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1262 /* to avoid confusion, please remove ".tx_function" statement
1263 from VNET_DEVICE_CLASS() if using function candidates */
1264 ASSERT (c->tx_function == 0);
1268 if (fnr->priority > priority)
1270 priority = fnr->priority;
1271 c->tx_function = fnr->function;
1273 fnr = fnr->next_registration;
1277 vec_add1 (im->device_classes, c[0]);
1278 c = c->next_class_registration;
1282 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1285 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1288 vnet_hw_interface_class_t *c;
1290 c = vnm->hw_interface_class_registrations;
1294 c->index = vec_len (im->hw_interface_classes);
1295 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1297 if (NULL == c->build_rewrite)
1298 c->build_rewrite = default_build_rewrite;
1299 if (NULL == c->update_adjacency)
1300 c->update_adjacency = default_update_adjacency;
1302 vec_add1 (im->hw_interface_classes, c[0]);
1303 c = c->next_class_registration;
1307 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1310 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1312 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1313 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1320 VLIB_INIT_FUNCTION (vnet_interface_init);
1322 /* Kludge to renumber interface names [only!] */
1324 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1327 vnet_main_t *vnm = vnet_get_main ();
1328 vnet_interface_main_t *im = &vnm->interface_main;
1329 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1331 vnet_device_class_t *dev_class = vnet_get_device_class
1332 (vnm, hi->dev_class_index);
1334 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1335 return VNET_API_ERROR_UNIMPLEMENTED;
1337 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1342 hash_unset_mem (im->hw_interface_by_name, hi->name);
1343 vec_free (hi->name);
1344 /* Use the mapping we set up to call it Ishmael */
1345 hi->name = format (0, "%U", dev_class->format_device_name,
1348 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1353 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1355 vnet_interface_main_t *im = &vnm->interface_main;
1356 vlib_main_t *vm = vnm->vlib_main;
1357 vnet_hw_interface_t *hw;
1359 clib_error_t *error = 0;
1361 hw = vnet_get_hw_interface (vnm, hw_if_index);
1364 return clib_error_return (0,
1365 "unable to find hw interface for index %u",
1369 old_name = hw->name;
1371 /* set new hw->name */
1372 hw->name = format (0, "%s", new_name);
1374 /* remove the old name to hw_if_index mapping and install the new one */
1375 hash_unset_mem (im->hw_interface_by_name, old_name);
1376 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1378 /* rename tx/output nodes */
1379 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1380 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1382 /* free the old name vector */
1383 vec_free (old_name);
1388 static clib_error_t *
1389 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1393 clib_error_t *error = 0;
1394 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1398 u8 *old_address = vec_dup (hi->hw_address);
1399 vnet_device_class_t *dev_class =
1400 vnet_get_device_class (vnm, hi->dev_class_index);
1401 if (dev_class->mac_addr_change_function)
1404 dev_class->mac_addr_change_function (hi, old_address,
1409 vnet_hw_interface_class_t *hw_class;
1411 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1413 if (NULL != hw_class->mac_addr_change_function)
1414 hw_class->mac_addr_change_function (hi, old_address, mac_address);
1419 clib_error_return (0,
1420 "MAC Address Change is not supported on this interface");
1422 vec_free (old_address);
1427 clib_error_return (0,
1428 "mac address change is not supported for interface index %u",
1435 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1438 return vnet_hw_interface_change_mac_address_helper
1439 (vnm, hw_if_index, mac_address);
1442 /* update the unnumbered state of an interface*/
1444 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1445 u32 ip_sw_if_index, u8 enable)
1447 vnet_main_t *vnm = vnet_get_main ();
1448 vnet_sw_interface_t *si;
1451 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1452 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1456 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1457 si->unnumbered_sw_if_index = ip_sw_if_index;
1459 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1460 [unnumbered_sw_if_index] =
1462 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1464 lookup_main.if_address_pool_index_by_sw_if_index
1465 [unnumbered_sw_if_index] =
1467 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1471 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1472 si->unnumbered_sw_if_index = (u32) ~ 0;
1474 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1475 [unnumbered_sw_if_index] = ~0;
1476 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1477 [unnumbered_sw_if_index] = ~0;
1480 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1482 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1483 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1487 vnet_l3_packet_type_t
1488 vnet_link_to_l3_proto (vnet_link_t link)
1493 return (VNET_L3_PACKET_TYPE_IP4);
1495 return (VNET_L3_PACKET_TYPE_IP6);
1496 case VNET_LINK_MPLS:
1497 return (VNET_L3_PACKET_TYPE_MPLS);
1499 return (VNET_L3_PACKET_TYPE_ARP);
1500 case VNET_LINK_ETHERNET:
1510 vnet_link_to_mtu (vnet_link_t link)
1515 return (VNET_MTU_IP4);
1517 return (VNET_MTU_IP6);
1518 case VNET_LINK_MPLS:
1519 return (VNET_MTU_MPLS);
1521 return (VNET_MTU_L3);
1526 default_build_rewrite (vnet_main_t * vnm,
1528 vnet_link_t link_type, const void *dst_address)
1534 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1536 ip_adjacency_t *adj;
1540 switch (adj->lookup_next_index)
1542 case IP_LOOKUP_NEXT_GLEAN:
1543 adj_glean_update_rewrite (ai);
1545 case IP_LOOKUP_NEXT_ARP:
1546 case IP_LOOKUP_NEXT_BCAST:
1548 * default rewrite in neighbour adj
1550 adj_nbr_update_rewrite
1552 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1553 vnet_build_rewrite_for_sw_interface (vnm,
1555 adj_get_link_type (ai), NULL));
1557 case IP_LOOKUP_NEXT_MCAST:
1559 * mcast traffic also uses default rewrite string with no mcast
1560 * switch time updates.
1562 adj_mcast_update_rewrite
1564 vnet_build_rewrite_for_sw_interface (vnm,
1566 adj_get_link_type (ai),
1569 case IP_LOOKUP_NEXT_DROP:
1570 case IP_LOOKUP_NEXT_PUNT:
1571 case IP_LOOKUP_NEXT_LOCAL:
1572 case IP_LOOKUP_NEXT_REWRITE:
1573 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1574 case IP_LOOKUP_NEXT_MIDCHAIN:
1575 case IP_LOOKUP_NEXT_ICMP_ERROR:
1576 case IP_LOOKUP_N_NEXT:
1582 int collect_detailed_interface_stats_flag = 0;
1585 collect_detailed_interface_stats_flag_set (void)
1587 collect_detailed_interface_stats_flag = 1;
1591 collect_detailed_interface_stats_flag_clear (void)
1593 collect_detailed_interface_stats_flag = 0;
1596 static clib_error_t *
1597 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1598 unformat_input_t * input,
1599 vlib_cli_command_t * cmd)
1601 unformat_input_t _line_input, *line_input = &_line_input;
1602 clib_error_t *error = NULL;
1604 /* Get a line of input. */
1605 if (!unformat_user (input, unformat_line_input, line_input))
1606 return clib_error_return (0, "expected enable | disable");
1608 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1610 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1611 collect_detailed_interface_stats_flag_set ();
1612 else if (unformat (line_input, "disable")
1613 || unformat (line_input, "off"))
1614 collect_detailed_interface_stats_flag_clear ();
1617 error = clib_error_return (0, "unknown input `%U'",
1618 format_unformat_error, line_input);
1624 unformat_free (line_input);
1629 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1630 .path = "interface collect detailed-stats",
1631 .short_help = "interface collect detailed-stats <enable|disable>",
1632 .function = collect_detailed_interface_stats_cli,
1637 * fd.io coding-style-patch-verification: ON
1640 * eval: (c-set-style "gnu")