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>
46 typedef enum vnet_interface_helper_flags_t_
48 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE = (1 << 0),
49 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE = (1 << 1),
50 } vnet_interface_helper_flags_t;
52 static clib_error_t *vnet_hw_interface_set_flags_helper (vnet_main_t * vnm,
54 vnet_hw_interface_flags_t
56 vnet_interface_helper_flags_t
59 static clib_error_t *vnet_sw_interface_set_flags_helper (vnet_main_t * vnm,
61 vnet_sw_interface_flags_t
63 vnet_interface_helper_flags_t
66 static clib_error_t *vnet_hw_interface_set_class_helper (vnet_main_t * vnm,
73 /* Either sw or hw interface index. */
78 } vnet_sw_hw_interface_state_t;
81 serialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m, va_list * va)
83 vnet_sw_hw_interface_state_t *s =
84 va_arg (*va, vnet_sw_hw_interface_state_t *);
85 u32 n = va_arg (*va, u32);
87 for (i = 0; i < n; i++)
89 serialize_integer (m, s[i].sw_hw_if_index,
90 sizeof (s[i].sw_hw_if_index));
91 serialize_integer (m, s[i].flags, sizeof (s[i].flags));
96 unserialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m,
99 vnet_sw_hw_interface_state_t *s =
100 va_arg (*va, vnet_sw_hw_interface_state_t *);
101 u32 n = va_arg (*va, u32);
103 for (i = 0; i < n; i++)
105 unserialize_integer (m, &s[i].sw_hw_if_index,
106 sizeof (s[i].sw_hw_if_index));
107 unserialize_integer (m, &s[i].flags, sizeof (s[i].flags));
111 static vnet_sw_interface_flags_t
112 vnet_hw_interface_flags_to_sw (vnet_hw_interface_flags_t hwf)
114 vnet_sw_interface_flags_t swf = VNET_SW_INTERFACE_FLAG_NONE;
116 if (hwf & VNET_HW_INTERFACE_FLAG_LINK_UP)
117 swf |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
123 serialize_vnet_interface_state (serialize_main_t * m, va_list * va)
125 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
126 vnet_sw_hw_interface_state_t *sts = 0, *st;
127 vnet_sw_interface_t *sif;
128 vnet_hw_interface_t *hif;
129 vnet_interface_main_t *im = &vnm->interface_main;
131 /* Serialize hardware interface classes since they may have changed.
132 Must do this before sending up/down flags. */
134 pool_foreach (hif, im->hw_interfaces, ({
135 vnet_hw_interface_class_t * hw_class = vnet_get_hw_interface_class (vnm, hif->hw_class_index);
136 serialize_cstring (m, hw_class->name);
140 /* Send sw/hw interface state when non-zero. */
142 pool_foreach (sif, im->sw_interfaces, ({
145 vec_add2 (sts, st, 1);
146 st->sw_hw_if_index = sif->sw_if_index;
147 st->flags = sif->flags;
152 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
158 pool_foreach (hif, im->hw_interfaces, ({
161 vec_add2 (sts, st, 1);
162 st->sw_hw_if_index = hif->hw_if_index;
163 st->flags = vnet_hw_interface_flags_to_sw(hif->flags);
168 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
173 static vnet_hw_interface_flags_t
174 vnet_sw_interface_flags_to_hw (vnet_sw_interface_flags_t swf)
176 vnet_hw_interface_flags_t hwf = VNET_HW_INTERFACE_FLAG_NONE;
178 if (swf & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
179 hwf |= VNET_HW_INTERFACE_FLAG_LINK_UP;
185 unserialize_vnet_interface_state (serialize_main_t * m, va_list * va)
187 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
188 vnet_sw_hw_interface_state_t *sts = 0, *st;
190 /* First set interface hardware class. */
192 vnet_interface_main_t *im = &vnm->interface_main;
193 vnet_hw_interface_t *hif;
199 pool_foreach (hif, im->hw_interfaces, ({
200 unserialize_cstring (m, &class_name);
201 p = hash_get_mem (im->hw_interface_class_by_name, class_name);
204 error = vnet_hw_interface_set_class_helper
205 (vnm, hif->hw_if_index, p[0], /* redistribute */ 0);
208 error = clib_error_return (0, "hw class %s AWOL?", class_name);
211 clib_error_report (error);
212 vec_free (class_name);
217 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
218 vec_foreach (st, sts)
219 vnet_sw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
220 /* no distribute */ 0);
223 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
224 vec_foreach (st, sts)
226 vnet_hw_interface_set_flags_helper
227 (vnm, st->sw_hw_if_index, vnet_sw_interface_flags_to_hw (st->flags),
228 /* no distribute */ 0);
233 static clib_error_t *
234 call_elf_section_interface_callbacks (vnet_main_t * vnm, u32 if_index,
236 _vnet_interface_function_list_elt_t **
239 _vnet_interface_function_list_elt_t *elt;
240 vnet_interface_function_priority_t prio;
241 clib_error_t *error = 0;
243 for (prio = VNET_ITF_FUNC_PRIORITY_LOW;
244 prio <= VNET_ITF_FUNC_PRIORITY_HIGH; prio++)
250 error = elt->fp (vnm, if_index, flags);
253 elt = elt->next_interface_function;
259 static clib_error_t *
260 call_hw_interface_add_del_callbacks (vnet_main_t * vnm, u32 hw_if_index,
263 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
264 vnet_hw_interface_class_t *hw_class =
265 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
266 vnet_device_class_t *dev_class =
267 vnet_get_device_class (vnm, hi->dev_class_index);
268 clib_error_t *error = 0;
270 if (hw_class->interface_add_del_function
272 hw_class->interface_add_del_function (vnm, hw_if_index, is_create)))
275 if (dev_class->interface_add_del_function
277 dev_class->interface_add_del_function (vnm, hw_if_index,
281 error = call_elf_section_interface_callbacks
282 (vnm, hw_if_index, is_create, vnm->hw_interface_add_del_functions);
287 static clib_error_t *
288 call_sw_interface_add_del_callbacks (vnet_main_t * vnm, u32 sw_if_index,
291 return call_elf_section_interface_callbacks
292 (vnm, sw_if_index, is_create, vnm->sw_interface_add_del_functions);
295 static clib_error_t *
296 vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
297 vnet_hw_interface_flags_t flags,
298 vnet_interface_helper_flags_t
301 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
302 vnet_hw_interface_class_t *hw_class =
303 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
305 clib_error_t *error = 0;
307 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
310 (VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK);
313 /* Call hardware interface add/del callbacks. */
315 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
317 /* Already in the desired state? */
318 if (!is_create && (hi->flags & mask) == flags)
321 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
322 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
324 /* Do hardware class (e.g. ethernet). */
325 if (hw_class->link_up_down_function
326 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
330 error = call_elf_section_interface_callbacks
331 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
344 static clib_error_t *
345 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
346 vnet_sw_interface_flags_t flags,
347 vnet_interface_helper_flags_t
350 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
352 clib_error_t *error = 0;
354 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
357 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
363 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
367 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
369 /* Notify everyone when the interface is created as admin up */
370 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
373 sw_interface_admin_up_down_functions);
380 vnet_sw_interface_t *si_sup = si;
382 /* Check that super interface is in correct state. */
383 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
385 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
387 /* Check to see if we're bringing down the soft interface and if it's parent is up */
388 if ((flags != (si_sup->flags & mask)) &&
390 && ((si_sup->flags & mask) ==
391 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
393 error = clib_error_return (0, "super-interface %U must be %U",
394 format_vnet_sw_interface_name, vnm,
396 format_vnet_sw_interface_flags,
402 /* Already in the desired state? */
403 if ((si->flags & mask) == flags)
406 /* Sub-interfaces of hardware interfaces that do no redistribute,
407 do not redistribute themselves. */
408 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
410 vnet_hw_interface_t *hi =
411 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
412 vnet_device_class_t *dev_class =
413 vnet_get_device_class (vnm, hi->dev_class_index);
414 if (!dev_class->redistribute)
416 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
419 /* set the flags now before invoking the registered clients
420 * so that the state they query is consistent with the state here notified */
421 old_flags = si->flags;
424 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
425 error = call_elf_section_interface_callbacks
426 (vnm, sw_if_index, flags,
427 vnm->sw_interface_admin_up_down_functions);
431 /* restore flags on error */
432 si->flags = old_flags;
436 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
438 vnet_hw_interface_t *hi =
439 vnet_get_hw_interface (vnm, si->hw_if_index);
440 vnet_hw_interface_class_t *hw_class =
441 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
442 vnet_device_class_t *dev_class =
443 vnet_get_device_class (vnm, hi->dev_class_index);
445 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
446 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
448 error = clib_error_return (0, "Interface in the error state");
452 /* save the si admin up flag */
453 old_flags = si->flags;
455 /* update si admin up flag in advance if we are going admin down */
456 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
457 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
459 if (dev_class->admin_up_down_function
460 && (error = dev_class->admin_up_down_function (vnm,
464 /* restore si admin up flag to it's original state on errors */
465 si->flags = old_flags;
469 if (hw_class->admin_up_down_function
470 && (error = hw_class->admin_up_down_function (vnm,
474 /* restore si admin up flag to it's original state on errors */
475 si->flags = old_flags;
479 /* Admin down implies link down. */
480 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
481 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
482 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
484 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
497 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
498 vnet_hw_interface_flags_t flags)
500 return vnet_hw_interface_set_flags_helper
501 (vnm, hw_if_index, flags,
502 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
506 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
507 vnet_sw_interface_flags_t flags)
509 return vnet_sw_interface_set_flags_helper
510 (vnm, sw_if_index, flags,
511 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
515 vnet_sw_interface_admin_up (vnet_main_t * vnm, u32 sw_if_index)
517 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
519 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
521 flags |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
522 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
527 vnet_sw_interface_admin_down (vnet_main_t * vnm, u32 sw_if_index)
529 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
531 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
533 flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
534 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
539 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
540 vnet_sw_interface_t * template)
542 vnet_interface_main_t *im = &vnm->interface_main;
543 vnet_sw_interface_t *sw;
546 pool_get (im->sw_interfaces, sw);
547 sw_if_index = sw - im->sw_interfaces;
552 sw->sw_if_index = sw_if_index;
553 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
554 sw->sup_sw_if_index = sw->sw_if_index;
556 /* Allocate counters for this interface. */
560 vnet_interface_counter_lock (im);
562 for (i = 0; i < vec_len (im->sw_if_counters); i++)
564 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
565 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
568 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
570 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
572 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
576 vnet_interface_counter_unlock (im);
583 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
587 vnet_hw_interface_t *hi;
588 vnet_device_class_t *dev_class;
590 if (template->sub.eth.flags.two_tags == 1
591 && template->sub.eth.flags.exact_match == 1
592 && (template->sub.eth.flags.inner_vlan_id_any == 1
593 || template->sub.eth.flags.outer_vlan_id_any == 1))
595 error = clib_error_return (0,
596 "inner-dot1q any exact-match is unsupported");
600 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
601 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
603 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
604 dev_class->subif_add_del_function)
606 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
607 (struct vnet_sw_interface_t
613 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
614 error = vnet_sw_interface_set_flags_helper
615 (vnm, *sw_if_index, template->flags,
616 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
620 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
621 vnet_interface_main_t *im = &vnm->interface_main;
622 vnet_sw_interface_t *sw =
623 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
624 pool_put (im->sw_interfaces, sw);
631 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
633 vnet_interface_main_t *im = &vnm->interface_main;
634 vnet_sw_interface_t *sw =
635 pool_elt_at_index (im->sw_interfaces, sw_if_index);
637 /* Check if the interface has config and is removed from L2 BD or XConnect */
638 vnet_clear_sw_interface_tag (vnm, sw_if_index);
640 /* Bring down interface in case it is up. */
642 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
644 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
646 pool_put (im->sw_interfaces, sw);
649 static clib_error_t *
650 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
652 return call_elf_section_interface_callbacks
653 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
657 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
659 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
661 if (si->mtu[VNET_MTU_L3] != mtu)
663 si->mtu[VNET_MTU_L3] = mtu;
664 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
669 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
672 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
673 bool changed = false;
676 for (i = 0; i < VNET_N_MTU; i++)
678 if (si->mtu[i] != mtu[i])
684 /* Notify interested parties */
686 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
690 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
691 u32 sw_if_index, u8 enable)
693 vnet_sw_interface_t *si;
695 si = vnet_get_sw_interface (vnm, sw_if_index);
698 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
700 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
702 ip4_directed_broadcast (sw_if_index, enable);
706 * Reflect a change in hardware MTU on protocol MTUs
709 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
712 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
713 return WALK_CONTINUE;
717 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
719 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
721 if (hi->max_packet_bytes != mtu)
723 hi->max_packet_bytes = mtu;
724 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
725 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
731 setup_tx_node (vlib_main_t * vm,
732 u32 node_index, vnet_device_class_t * dev_class)
734 vlib_node_t *n = vlib_get_node (vm, node_index);
736 n->function = dev_class->tx_function;
737 n->format_trace = dev_class->format_tx_trace;
739 vlib_register_errors (vm, node_index,
740 dev_class->tx_function_n_errors,
741 dev_class->tx_function_error_strings);
745 setup_output_node (vlib_main_t * vm,
746 u32 node_index, vnet_hw_interface_class_t * hw_class)
748 vlib_node_t *n = vlib_get_node (vm, node_index);
749 n->format_buffer = hw_class->format_header;
750 n->unformat_buffer = hw_class->unformat_header;
753 /* Register an interface instance. */
755 vnet_register_interface (vnet_main_t * vnm,
758 u32 hw_class_index, u32 hw_instance)
760 vnet_interface_main_t *im = &vnm->interface_main;
761 vnet_hw_interface_t *hw;
762 vnet_device_class_t *dev_class =
763 vnet_get_device_class (vnm, dev_class_index);
764 vnet_hw_interface_class_t *hw_class =
765 vnet_get_hw_interface_class (vnm, hw_class_index);
766 vlib_main_t *vm = vnm->vlib_main;
767 vnet_feature_config_main_t *fcm;
768 vnet_config_main_t *cm;
770 char *tx_node_name = NULL, *output_node_name = NULL;
772 pool_get (im->hw_interfaces, hw);
773 clib_memset (hw, 0, sizeof (*hw));
774 hw->trace_classify_table_index = ~0;
776 hw_index = hw - im->hw_interfaces;
777 hw->hw_if_index = hw_index;
778 hw->default_rx_mode = VNET_HW_IF_RX_MODE_POLLING;
780 if (dev_class->format_device_name)
781 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
782 else if (hw_class->format_interface_name)
783 hw->name = format (0, "%U", hw_class->format_interface_name,
786 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
788 if (!im->hw_interface_by_name)
789 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
790 sizeof (hw->name[0]),
793 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
795 /* Make hardware interface point to software interface. */
797 vnet_sw_interface_t sw = {
798 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
799 .flood_class = VNET_FLOOD_CLASS_NORMAL,
800 .hw_if_index = hw_index
802 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
805 hw->dev_class_index = dev_class_index;
806 hw->dev_instance = dev_instance;
807 hw->hw_class_index = hw_class_index;
808 hw->hw_instance = hw_instance;
810 hw->max_rate_bits_per_sec = 0;
811 hw->min_packet_bytes = 0;
812 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
814 if (dev_class->tx_function == 0)
815 goto no_output_nodes; /* No output/tx nodes to create */
817 tx_node_name = (char *) format (0, "%v-tx", hw->name);
818 output_node_name = (char *) format (0, "%v-output", hw->name);
820 /* If we have previously deleted interface nodes, re-use them. */
821 if (vec_len (im->deleted_hw_interface_nodes) > 0)
823 vnet_hw_interface_nodes_t *hn;
825 vlib_node_runtime_t *nrt;
827 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
829 hw->tx_node_index = hn->tx_node_index;
830 hw->output_node_index = hn->output_node_index;
832 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
833 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
837 vnet_interface_output_runtime_t *rt;
839 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
840 ASSERT (rt->is_deleted == 1);
842 rt->hw_if_index = hw_index;
843 rt->sw_if_index = hw->sw_if_index;
844 rt->dev_instance = hw->dev_instance;
846 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
847 rt->hw_if_index = hw_index;
848 rt->sw_if_index = hw->sw_if_index;
849 rt->dev_instance = hw->dev_instance;
853 /* The new class may differ from the old one.
854 * Functions have to be updated. */
855 node = vlib_get_node (vm, hw->output_node_index);
856 node->function = vnet_interface_output_node;
857 node->format_trace = format_vnet_interface_output_trace;
860 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
861 nrt->function = node->function;
862 vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0,
863 VLIB_NODE_RUNTIME_PERF_RESET);
867 node = vlib_get_node (vm, hw->tx_node_index);
868 node->function = dev_class->tx_function;
869 node->format_trace = dev_class->format_tx_trace;
872 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
873 nrt->function = node->function;
874 vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0,
875 VLIB_NODE_RUNTIME_PERF_RESET);
879 _vec_len (im->deleted_hw_interface_nodes) -= 1;
883 vlib_node_registration_t r;
884 vnet_interface_output_runtime_t rt = {
885 .hw_if_index = hw_index,
886 .sw_if_index = hw->sw_if_index,
887 .dev_instance = hw->dev_instance,
891 clib_memset (&r, 0, sizeof (r));
892 r.type = VLIB_NODE_TYPE_INTERNAL;
893 r.runtime_data = &rt;
894 r.runtime_data_bytes = sizeof (rt);
896 r.vector_size = sizeof (u32);
898 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
899 r.name = tx_node_name;
900 r.function = dev_class->tx_function;
902 hw->tx_node_index = vlib_register_node (vm, &r);
904 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
906 VNET_INTERFACE_TX_NEXT_DROP);
909 r.name = output_node_name;
910 r.function = vnet_interface_output_node;
911 r.format_trace = format_vnet_interface_output_trace;
916 "interface is deleted",
917 "no buffers to segment GSO",
920 r.n_errors = ARRAY_LEN (e);
923 hw->output_node_index = vlib_register_node (vm, &r);
925 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
927 VNET_INTERFACE_OUTPUT_NEXT_DROP);
928 vlib_node_add_next_with_slot (vm, hw->output_node_index,
930 VNET_INTERFACE_OUTPUT_NEXT_TX);
932 /* add interface to the list of "output-interface" feature arc start nodes
933 and clone nexts from 1st interface if it exists */
934 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
935 cm = &fcm->config_main;
936 i = vec_len (cm->start_node_indices);
937 vec_validate (cm->start_node_indices, i);
938 cm->start_node_indices[i] = hw->output_node_index;
941 /* copy nexts from 1st interface */
942 vnet_hw_interface_t *first_hw;
943 vlib_node_t *first_node;
945 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
946 first_node = vlib_get_node (vm, first_hw->output_node_index);
948 /* 1st 2 nexts are already added above */
949 for (i = 2; i < vec_len (first_node->next_nodes); i++)
950 vlib_node_add_next_with_slot (vm, hw->output_node_index,
951 first_node->next_nodes[i], i);
955 setup_output_node (vm, hw->output_node_index, hw_class);
956 setup_tx_node (vm, hw->tx_node_index, dev_class);
959 /* Call all up/down callbacks with zero flags when interface is created. */
960 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
961 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
962 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
963 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
964 vec_free (tx_node_name);
965 vec_free (output_node_name);
971 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
973 vnet_interface_main_t *im = &vnm->interface_main;
974 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
975 vlib_main_t *vm = vnm->vlib_main;
976 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
977 hw->dev_class_index);
978 /* If it is up, mark it down. */
980 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
982 /* Call delete callbacks. */
983 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
985 /* Delete any sub-interfaces. */
989 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
991 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
992 u64 sup_and_sub_key =
993 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
994 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
995 vnet_delete_sw_interface (vnm, sw_if_index);
997 hash_free (hw->sub_interface_sw_if_index_by_id);
1001 /* Delete software interface corresponding to hardware interface. */
1002 vnet_delete_sw_interface (vnm, hw->sw_if_index);
1004 if (dev_class->tx_function)
1006 /* Put output/tx nodes into recycle pool */
1007 vnet_hw_interface_nodes_t *dn;
1012 vnet_interface_output_runtime_t *rt =
1013 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
1015 /* Mark node runtime as deleted so output node (if called)
1016 * will drop packets. */
1021 vlib_node_rename (vm, hw->output_node_index,
1022 "interface-%d-output-deleted", hw_if_index);
1023 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
1025 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
1026 dn->tx_node_index = hw->tx_node_index;
1027 dn->output_node_index = hw->output_node_index;
1030 hash_unset_mem (im->hw_interface_by_name, hw->name);
1031 vec_free (hw->name);
1032 vec_free (hw->hw_address);
1033 vec_free (hw->input_node_thread_index_by_queue);
1034 vec_free (hw->dq_runtime_index_by_queue);
1036 pool_put (im->hw_interfaces, hw);
1040 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1042 vnet_hw_sw_interface_walk_t fn, void *ctx)
1044 vnet_hw_interface_t *hi;
1045 u32 id, sw_if_index;
1047 hi = vnet_get_hw_interface (vnm, hw_if_index);
1048 /* the super first, then the sub interfaces */
1049 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1053 hash_foreach (id, sw_if_index,
1054 hi->sub_interface_sw_if_index_by_id,
1056 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1063 vnet_hw_interface_walk (vnet_main_t * vnm,
1064 vnet_hw_interface_walk_t fn, void *ctx)
1066 vnet_interface_main_t *im;
1067 vnet_hw_interface_t *hi;
1069 im = &vnm->interface_main;
1072 pool_foreach (hi, im->hw_interfaces,
1074 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1081 vnet_sw_interface_walk (vnet_main_t * vnm,
1082 vnet_sw_interface_walk_t fn, void *ctx)
1084 vnet_interface_main_t *im;
1085 vnet_sw_interface_t *si;
1087 im = &vnm->interface_main;
1090 pool_foreach (si, im->sw_interfaces,
1092 if (WALK_STOP == fn (vnm, si, ctx))
1099 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1100 u32 hw_class_index, u32 hw_instance)
1102 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1103 vnet_hw_interface_class_t *hc =
1104 vnet_get_hw_interface_class (vnm, hw_class_index);
1106 hi->hw_class_index = hw_class_index;
1107 hi->hw_instance = hw_instance;
1108 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1111 static clib_error_t *
1112 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1113 u32 hw_class_index, u32 redistribute)
1115 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1116 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1117 vnet_hw_interface_class_t *old_class =
1118 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1119 vnet_hw_interface_class_t *new_class =
1120 vnet_get_hw_interface_class (vnm, hw_class_index);
1121 vnet_device_class_t *dev_class =
1122 vnet_get_device_class (vnm, hi->dev_class_index);
1123 clib_error_t *error = 0;
1125 /* New class equals old class? Nothing to do. */
1126 if (hi->hw_class_index == hw_class_index)
1129 /* No need (and incorrect since admin up flag may be set) to do error checking when
1130 receiving unserialize message. */
1133 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1134 return clib_error_return (0,
1135 "%v must be admin down to change class from %s to %s",
1136 hi->name, old_class->name, new_class->name);
1138 /* Make sure interface supports given class. */
1139 if ((new_class->is_valid_class_for_interface
1140 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1142 || (dev_class->is_valid_class_for_interface
1143 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1145 return clib_error_return (0,
1146 "%v class cannot be changed from %s to %s",
1147 hi->name, old_class->name, new_class->name);
1151 if (old_class->hw_class_change)
1152 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1155 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1158 if (new_class->hw_class_change)
1159 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1162 if (dev_class->hw_class_change)
1163 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1169 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1172 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1173 /* redistribute */ 1);
1177 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1182 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1183 vnet_device_class_t *dev_class = vnet_get_device_class
1184 (vnm, hi->dev_class_index);
1186 if (dev_class->rx_redirect_to_node)
1188 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1192 return VNET_API_ERROR_UNIMPLEMENTED;
1196 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1199 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1201 1 /* redistribute */ );
1205 vnet_sw_interface_compare (vnet_main_t * vnm,
1206 uword sw_if_index0, uword sw_if_index1)
1208 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1209 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1210 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1211 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1214 return vec_cmp (h0->name, h1->name);
1215 return (word) h0->hw_instance - (word) h1->hw_instance;
1219 vnet_hw_interface_compare (vnet_main_t * vnm,
1220 uword hw_if_index0, uword hw_if_index1)
1222 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1223 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1226 return vec_cmp (h0->name, h1->name);
1227 return (word) h0->hw_instance - (word) h1->hw_instance;
1231 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1233 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1234 if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
1235 (si->type == VNET_SW_INTERFACE_TYPE_PIPE))
1238 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1239 vnet_hw_interface_class_t *hc =
1240 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1242 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1246 vnet_sw_interface_is_nbma (vnet_main_t * vnm, u32 sw_if_index)
1248 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1249 vnet_hw_interface_class_t *hc =
1250 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1252 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_NBMA);
1256 vnet_interface_init (vlib_main_t * vm)
1258 vnet_main_t *vnm = vnet_get_main ();
1259 vnet_interface_main_t *im = &vnm->interface_main;
1260 vlib_buffer_t *b = 0;
1261 vnet_buffer_opaque_t *o = 0;
1262 clib_error_t *error;
1265 * Keep people from shooting themselves in the foot.
1267 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1269 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1271 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1272 #a, sizeof(o->a), sizeof (o->unused));
1273 foreach_buffer_opaque_union_subtype;
1276 return clib_error_return
1277 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1278 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1281 clib_spinlock_init (&im->sw_if_counter_lock);
1282 clib_spinlock_lock (&im->sw_if_counter_lock); /* should be no need */
1284 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1286 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1287 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1288 foreach_simple_interface_counter_name
1290 vec_validate (im->combined_sw_if_counters,
1291 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1293 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1294 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1295 foreach_combined_interface_counter_name
1297 clib_spinlock_unlock (&im->sw_if_counter_lock);
1299 im->device_class_by_name = hash_create_string ( /* size */ 0,
1302 vnet_device_class_t *c;
1304 c = vnm->device_class_registrations;
1308 c->index = vec_len (im->device_classes);
1309 hash_set_mem (im->device_class_by_name, c->name, c->index);
1311 if (c->tx_fn_registrations)
1313 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1316 /* to avoid confusion, please remove ".tx_function" statement
1317 from VNET_DEVICE_CLASS() if using function candidates */
1318 ASSERT (c->tx_function == 0);
1322 if (fnr->priority > priority)
1324 priority = fnr->priority;
1325 c->tx_function = fnr->function;
1327 fnr = fnr->next_registration;
1331 vec_add1 (im->device_classes, c[0]);
1332 c = c->next_class_registration;
1336 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1339 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1342 vnet_hw_interface_class_t *c;
1344 c = vnm->hw_interface_class_registrations;
1348 c->index = vec_len (im->hw_interface_classes);
1349 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1351 if (NULL == c->build_rewrite)
1352 c->build_rewrite = default_build_rewrite;
1353 if (NULL == c->update_adjacency)
1354 c->update_adjacency = default_update_adjacency;
1356 vec_add1 (im->hw_interface_classes, c[0]);
1357 c = c->next_class_registration;
1361 /* init per-thread data */
1362 vec_validate_aligned (im->per_thread_data, vlib_num_workers (),
1363 CLIB_CACHE_LINE_BYTES);
1365 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1368 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1370 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1371 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1378 VLIB_INIT_FUNCTION (vnet_interface_init);
1380 /* Kludge to renumber interface names [only!] */
1382 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1385 vnet_main_t *vnm = vnet_get_main ();
1386 vnet_interface_main_t *im = &vnm->interface_main;
1387 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1389 vnet_device_class_t *dev_class = vnet_get_device_class
1390 (vnm, hi->dev_class_index);
1392 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1393 return VNET_API_ERROR_UNIMPLEMENTED;
1395 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1400 hash_unset_mem (im->hw_interface_by_name, hi->name);
1401 vec_free (hi->name);
1402 /* Use the mapping we set up to call it Ishmael */
1403 hi->name = format (0, "%U", dev_class->format_device_name,
1406 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1411 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1413 vnet_interface_main_t *im = &vnm->interface_main;
1414 vlib_main_t *vm = vnm->vlib_main;
1415 vnet_hw_interface_t *hw;
1417 clib_error_t *error = 0;
1419 hw = vnet_get_hw_interface (vnm, hw_if_index);
1422 return clib_error_return (0,
1423 "unable to find hw interface for index %u",
1427 old_name = hw->name;
1429 /* set new hw->name */
1430 hw->name = format (0, "%s", new_name);
1432 /* remove the old name to hw_if_index mapping and install the new one */
1433 hash_unset_mem (im->hw_interface_by_name, old_name);
1434 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1436 /* rename tx/output nodes */
1437 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1438 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1440 /* free the old name vector */
1441 vec_free (old_name);
1447 vnet_hw_interface_add_del_mac_address (vnet_main_t * vnm,
1449 const u8 * mac_address, u8 is_add)
1451 clib_error_t *error = 0;
1452 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1454 vnet_device_class_t *dev_class =
1455 vnet_get_device_class (vnm, hi->dev_class_index);
1457 if (!hi->hw_address)
1461 (0, "Secondary MAC Addresses not supported for interface index %u",
1466 if (dev_class->mac_addr_add_del_function)
1467 error = dev_class->mac_addr_add_del_function (hi, mac_address, is_add);
1471 vnet_hw_interface_class_t *hw_class;
1473 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1475 if (NULL != hw_class->mac_addr_add_del_function)
1476 error = hw_class->mac_addr_add_del_function (hi, mac_address, is_add);
1479 /* If no errors, add to the list of secondary MACs on the ethernet intf */
1481 ethernet_interface_add_del_address (ðernet_main, hw_if_index,
1482 mac_address, is_add);
1488 static clib_error_t *
1489 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1491 const u8 * mac_address)
1493 clib_error_t *error = 0;
1494 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1498 u8 *old_address = vec_dup (hi->hw_address);
1499 vnet_device_class_t *dev_class =
1500 vnet_get_device_class (vnm, hi->dev_class_index);
1501 if (dev_class->mac_addr_change_function)
1504 dev_class->mac_addr_change_function (hi, old_address,
1509 vnet_hw_interface_class_t *hw_class;
1511 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1513 if (NULL != hw_class->mac_addr_change_function)
1514 hw_class->mac_addr_change_function (hi, old_address, mac_address);
1519 clib_error_return (0,
1520 "MAC Address Change is not supported on this interface");
1522 vec_free (old_address);
1527 clib_error_return (0,
1528 "mac address change is not supported for interface index %u",
1535 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1536 const u8 * mac_address)
1538 return vnet_hw_interface_change_mac_address_helper
1539 (vnm, hw_if_index, mac_address);
1542 /* update the unnumbered state of an interface*/
1544 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1545 u32 ip_sw_if_index, u8 enable)
1547 vnet_main_t *vnm = vnet_get_main ();
1548 vnet_sw_interface_t *si;
1551 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1552 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1556 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1557 si->unnumbered_sw_if_index = ip_sw_if_index;
1559 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1560 [unnumbered_sw_if_index] =
1562 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1564 lookup_main.if_address_pool_index_by_sw_if_index
1565 [unnumbered_sw_if_index] =
1567 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1571 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1572 si->unnumbered_sw_if_index = (u32) ~ 0;
1574 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1575 [unnumbered_sw_if_index] = ~0;
1576 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1577 [unnumbered_sw_if_index] = ~0;
1580 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1582 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1583 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1587 vnet_l3_packet_type_t
1588 vnet_link_to_l3_proto (vnet_link_t link)
1593 return (VNET_L3_PACKET_TYPE_IP4);
1595 return (VNET_L3_PACKET_TYPE_IP6);
1596 case VNET_LINK_MPLS:
1597 return (VNET_L3_PACKET_TYPE_MPLS);
1599 return (VNET_L3_PACKET_TYPE_ARP);
1600 case VNET_LINK_ETHERNET:
1610 vnet_link_to_mtu (vnet_link_t link)
1615 return (VNET_MTU_IP4);
1617 return (VNET_MTU_IP6);
1618 case VNET_LINK_MPLS:
1619 return (VNET_MTU_MPLS);
1621 return (VNET_MTU_L3);
1626 default_build_rewrite (vnet_main_t * vnm,
1628 vnet_link_t link_type, const void *dst_address)
1634 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1636 ip_adjacency_t *adj;
1640 switch (adj->lookup_next_index)
1642 case IP_LOOKUP_NEXT_GLEAN:
1643 adj_glean_update_rewrite (ai);
1645 case IP_LOOKUP_NEXT_ARP:
1646 case IP_LOOKUP_NEXT_BCAST:
1648 * default rewrite in neighbour adj
1650 adj_nbr_update_rewrite
1652 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1653 vnet_build_rewrite_for_sw_interface (vnm,
1655 adj_get_link_type (ai), NULL));
1657 case IP_LOOKUP_NEXT_MCAST:
1659 * mcast traffic also uses default rewrite string with no mcast
1660 * switch time updates.
1662 adj_mcast_update_rewrite
1664 vnet_build_rewrite_for_sw_interface (vnm,
1666 adj_get_link_type (ai),
1669 case IP_LOOKUP_NEXT_DROP:
1670 case IP_LOOKUP_NEXT_PUNT:
1671 case IP_LOOKUP_NEXT_LOCAL:
1672 case IP_LOOKUP_NEXT_REWRITE:
1673 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1674 case IP_LOOKUP_NEXT_MIDCHAIN:
1675 case IP_LOOKUP_NEXT_ICMP_ERROR:
1676 case IP_LOOKUP_N_NEXT:
1683 vnet_hw_interface_set_rss_queues (vnet_main_t * vnm,
1684 vnet_hw_interface_t * hi,
1685 clib_bitmap_t * bitmap)
1687 clib_error_t *error = 0;
1688 vnet_device_class_t *dev_class =
1689 vnet_get_device_class (vnm, hi->dev_class_index);
1691 if (dev_class->set_rss_queues_function)
1693 if (clib_bitmap_count_set_bits (bitmap) == 0)
1695 error = clib_error_return (0,
1696 "must assign at least one valid rss queue");
1700 error = dev_class->set_rss_queues_function (vnm, hi, bitmap);
1704 error = clib_error_return (0,
1705 "setting rss queues is not supported on this interface");
1710 clib_bitmap_free (hi->rss_queues);
1711 hi->rss_queues = clib_bitmap_dup (bitmap);
1718 int collect_detailed_interface_stats_flag = 0;
1721 collect_detailed_interface_stats_flag_set (void)
1723 collect_detailed_interface_stats_flag = 1;
1727 collect_detailed_interface_stats_flag_clear (void)
1729 collect_detailed_interface_stats_flag = 0;
1732 static clib_error_t *
1733 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1734 unformat_input_t * input,
1735 vlib_cli_command_t * cmd)
1737 unformat_input_t _line_input, *line_input = &_line_input;
1738 clib_error_t *error = NULL;
1740 /* Get a line of input. */
1741 if (!unformat_user (input, unformat_line_input, line_input))
1742 return clib_error_return (0, "expected enable | disable");
1744 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1746 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1747 collect_detailed_interface_stats_flag_set ();
1748 else if (unformat (line_input, "disable")
1749 || unformat (line_input, "off"))
1750 collect_detailed_interface_stats_flag_clear ();
1753 error = clib_error_return (0, "unknown input `%U'",
1754 format_unformat_error, line_input);
1760 unformat_free (line_input);
1765 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1766 .path = "interface collect detailed-stats",
1767 .short_help = "interface collect detailed-stats <enable|disable>",
1768 .function = collect_detailed_interface_stats_cli,
1773 * fd.io coding-style-patch-verification: ON
1776 * eval: (c-set-style "gnu")