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 #define VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE (1 << 0)
47 #define VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE (1 << 1)
49 static clib_error_t *vnet_hw_interface_set_flags_helper (vnet_main_t * vnm,
54 static clib_error_t *vnet_sw_interface_set_flags_helper (vnet_main_t * vnm,
59 static clib_error_t *vnet_hw_interface_set_class_helper (vnet_main_t * vnm,
66 /* Either sw or hw interface index. */
71 } vnet_sw_hw_interface_state_t;
74 serialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m, va_list * va)
76 vnet_sw_hw_interface_state_t *s =
77 va_arg (*va, vnet_sw_hw_interface_state_t *);
78 u32 n = va_arg (*va, u32);
80 for (i = 0; i < n; i++)
82 serialize_integer (m, s[i].sw_hw_if_index,
83 sizeof (s[i].sw_hw_if_index));
84 serialize_integer (m, s[i].flags, sizeof (s[i].flags));
89 unserialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m,
92 vnet_sw_hw_interface_state_t *s =
93 va_arg (*va, vnet_sw_hw_interface_state_t *);
94 u32 n = va_arg (*va, u32);
96 for (i = 0; i < n; i++)
98 unserialize_integer (m, &s[i].sw_hw_if_index,
99 sizeof (s[i].sw_hw_if_index));
100 unserialize_integer (m, &s[i].flags, sizeof (s[i].flags));
105 serialize_vnet_sw_hw_interface_set_flags (serialize_main_t * m, va_list * va)
107 vnet_sw_hw_interface_state_t *s =
108 va_arg (*va, vnet_sw_hw_interface_state_t *);
109 serialize (m, serialize_vec_vnet_sw_hw_interface_state, s, 1);
113 unserialize_vnet_sw_interface_set_flags (serialize_main_t * m, va_list * va)
115 CLIB_UNUSED (mc_main_t * mc) = va_arg (*va, mc_main_t *);
116 vnet_sw_hw_interface_state_t s;
118 unserialize (m, unserialize_vec_vnet_sw_hw_interface_state, &s, 1);
120 vnet_sw_interface_set_flags_helper
121 (vnet_get_main (), s.sw_hw_if_index, s.flags,
122 /* helper_flags no redistribution */ 0);
126 vnet_sw_interface_set_mtu_cb (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
129 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
132 si->max_l3_packet_bytes[VLIB_TX] = si->max_l3_packet_bytes[VLIB_RX] = *mtu;
133 adj_mtu_update (sw_if_index);
137 * MTU is set per software interface. Setting MTU on a parent
138 * interface will override the MTU setting on sub-interfaces.
139 * TODO: If sub-interface MTU is ~0 inherit from parent?
142 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
144 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
145 vnet_hw_interface_t *hi = vnet_get_sw_hw_interface (vnm, sw_if_index);
147 if (mtu < hi->min_packet_bytes)
148 return VNET_API_ERROR_INVALID_VALUE;
149 if (mtu > hi->max_packet_bytes)
150 return VNET_API_ERROR_INVALID_VALUE;
152 /* If done on a parent interface */
153 if (si->sw_if_index == si->sup_sw_if_index)
155 if (hi->hw_class_index == ethernet_hw_interface_class.index)
157 ethernet_set_flags (vnm, hi->hw_if_index,
158 ETHERNET_INTERFACE_FLAG_MTU);
161 /* Override MTU on any sub-interface */
162 vnet_hw_interface_walk_sw (vnm,
164 vnet_sw_interface_set_mtu_cb, &mtu);
168 si->max_l3_packet_bytes[VLIB_TX] = si->max_l3_packet_bytes[VLIB_RX] =
170 adj_mtu_update (sw_if_index);
177 unserialize_vnet_hw_interface_set_flags (serialize_main_t * m, va_list * va)
179 CLIB_UNUSED (mc_main_t * mc) = va_arg (*va, mc_main_t *);
180 vnet_sw_hw_interface_state_t s;
182 unserialize (m, unserialize_vec_vnet_sw_hw_interface_state, &s, 1);
184 vnet_hw_interface_set_flags_helper
185 (vnet_get_main (), s.sw_hw_if_index, s.flags,
186 /* helper_flags no redistribution */ 0);
189 MC_SERIALIZE_MSG (vnet_sw_interface_set_flags_msg, static) =
191 .name = "vnet_sw_interface_set_flags",.serialize =
192 serialize_vnet_sw_hw_interface_set_flags,.unserialize =
193 unserialize_vnet_sw_interface_set_flags,};
195 MC_SERIALIZE_MSG (vnet_hw_interface_set_flags_msg, static) =
197 .name = "vnet_hw_interface_set_flags",.serialize =
198 serialize_vnet_sw_hw_interface_set_flags,.unserialize =
199 unserialize_vnet_hw_interface_set_flags,};
202 serialize_vnet_interface_state (serialize_main_t * m, va_list * va)
204 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
205 vnet_sw_hw_interface_state_t *sts = 0, *st;
206 vnet_sw_interface_t *sif;
207 vnet_hw_interface_t *hif;
208 vnet_interface_main_t *im = &vnm->interface_main;
210 /* Serialize hardware interface classes since they may have changed.
211 Must do this before sending up/down flags. */
213 pool_foreach (hif, im->hw_interfaces, ({
214 vnet_hw_interface_class_t * hw_class = vnet_get_hw_interface_class (vnm, hif->hw_class_index);
215 serialize_cstring (m, hw_class->name);
219 /* Send sw/hw interface state when non-zero. */
221 pool_foreach (sif, im->sw_interfaces, ({
224 vec_add2 (sts, st, 1);
225 st->sw_hw_if_index = sif->sw_if_index;
226 st->flags = sif->flags;
231 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
237 pool_foreach (hif, im->hw_interfaces, ({
240 vec_add2 (sts, st, 1);
241 st->sw_hw_if_index = hif->hw_if_index;
242 st->flags = hif->flags;
247 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
253 unserialize_vnet_interface_state (serialize_main_t * m, va_list * va)
255 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
256 vnet_sw_hw_interface_state_t *sts = 0, *st;
258 /* First set interface hardware class. */
260 vnet_interface_main_t *im = &vnm->interface_main;
261 vnet_hw_interface_t *hif;
267 pool_foreach (hif, im->hw_interfaces, ({
268 unserialize_cstring (m, &class_name);
269 p = hash_get_mem (im->hw_interface_class_by_name, class_name);
271 error = vnet_hw_interface_set_class_helper (vnm, hif->hw_if_index, p[0], /* redistribute */ 0);
273 clib_error_report (error);
274 vec_free (class_name);
279 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
280 vec_foreach (st, sts)
281 vnet_sw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
282 /* no distribute */ 0);
285 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
286 vec_foreach (st, sts)
287 vnet_hw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
288 /* no distribute */ 0);
292 static clib_error_t *
293 call_elf_section_interface_callbacks (vnet_main_t * vnm, u32 if_index,
295 _vnet_interface_function_list_elt_t **
298 _vnet_interface_function_list_elt_t *elt;
299 vnet_interface_function_priority_t prio;
300 clib_error_t *error = 0;
302 for (prio = VNET_ITF_FUNC_PRIORITY_LOW;
303 prio <= VNET_ITF_FUNC_PRIORITY_HIGH; prio++)
309 error = elt->fp (vnm, if_index, flags);
312 elt = elt->next_interface_function;
318 static clib_error_t *
319 call_hw_interface_add_del_callbacks (vnet_main_t * vnm, u32 hw_if_index,
322 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
323 vnet_hw_interface_class_t *hw_class =
324 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
325 vnet_device_class_t *dev_class =
326 vnet_get_device_class (vnm, hi->dev_class_index);
327 clib_error_t *error = 0;
329 if (hw_class->interface_add_del_function
331 hw_class->interface_add_del_function (vnm, hw_if_index, is_create)))
334 if (dev_class->interface_add_del_function
336 dev_class->interface_add_del_function (vnm, hw_if_index,
340 error = call_elf_section_interface_callbacks
341 (vnm, hw_if_index, is_create, vnm->hw_interface_add_del_functions);
346 static clib_error_t *
347 call_sw_interface_add_del_callbacks (vnet_main_t * vnm, u32 sw_if_index,
350 return call_elf_section_interface_callbacks
351 (vnm, sw_if_index, is_create, vnm->sw_interface_add_del_functions);
354 #define VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE (1 << 0)
355 #define VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE (1 << 1)
357 static clib_error_t *
358 vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
359 u32 flags, u32 helper_flags)
361 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
362 vnet_hw_interface_class_t *hw_class =
363 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
364 vnet_device_class_t *dev_class =
365 vnet_get_device_class (vnm, hi->dev_class_index);
366 vlib_main_t *vm = vnm->vlib_main;
368 clib_error_t *error = 0;
370 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
373 (VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK |
374 VNET_HW_INTERFACE_FLAG_SPEED_MASK);
377 /* Call hardware interface add/del callbacks. */
379 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
381 /* Already in the desired state? */
382 if (!is_create && (hi->flags & mask) == flags)
385 /* Some interface classes do not redistribute (e.g. are local). */
386 if (!dev_class->redistribute)
387 helper_flags &= ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
390 && (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE))
392 vnet_sw_hw_interface_state_t s;
393 s.sw_hw_if_index = hw_if_index;
395 mc_serialize (vm->mc_main, &vnet_hw_interface_set_flags_msg, &s);
398 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
399 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
401 /* Do hardware class (e.g. ethernet). */
402 if (hw_class->link_up_down_function
403 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
407 error = call_elf_section_interface_callbacks
408 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
421 static clib_error_t *
422 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
423 u32 flags, u32 helper_flags)
425 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
426 vlib_main_t *vm = vnm->vlib_main;
428 clib_error_t *error = 0;
430 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
433 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
439 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
443 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
445 /* Notify everyone when the interface is created as admin up */
446 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
449 sw_interface_admin_up_down_functions);
456 vnet_sw_interface_t *si_sup = si;
458 /* Check that super interface is in correct state. */
459 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
461 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
463 /* Check to see if we're bringing down the soft interface and if it's parent is up */
464 if ((flags != (si_sup->flags & mask)) &&
466 && ((si_sup->flags & mask) ==
467 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
469 error = clib_error_return (0, "super-interface %U must be %U",
470 format_vnet_sw_interface_name, vnm,
472 format_vnet_sw_interface_flags,
478 /* Donot change state for slave link of bonded interfaces */
479 if (si->flags & VNET_SW_INTERFACE_FLAG_BOND_SLAVE)
481 error = clib_error_return
482 (0, "not allowed as %U belong to a BondEthernet interface",
483 format_vnet_sw_interface_name, vnm, si);
487 /* Already in the desired state? */
488 if ((si->flags & mask) == flags)
491 /* Sub-interfaces of hardware interfaces that do no redistribute,
492 do not redistribute themselves. */
493 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
495 vnet_hw_interface_t *hi =
496 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
497 vnet_device_class_t *dev_class =
498 vnet_get_device_class (vnm, hi->dev_class_index);
499 if (!dev_class->redistribute)
501 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
506 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE))
508 vnet_sw_hw_interface_state_t s;
509 s.sw_hw_if_index = sw_if_index;
511 mc_serialize (vm->mc_main, &vnet_sw_interface_set_flags_msg, &s);
514 /* set the flags now before invoking the registered clients
515 * so that the state they query is consistent with the state here notified */
516 old_flags = si->flags;
519 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
520 error = call_elf_section_interface_callbacks
521 (vnm, sw_if_index, flags,
522 vnm->sw_interface_admin_up_down_functions);
523 si->flags = old_flags;
528 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
530 vnet_hw_interface_t *hi =
531 vnet_get_hw_interface (vnm, si->hw_if_index);
532 vnet_hw_interface_class_t *hw_class =
533 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
534 vnet_device_class_t *dev_class =
535 vnet_get_device_class (vnm, hi->dev_class_index);
537 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
538 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
540 error = clib_error_return (0, "Interface in the error state");
544 /* save the si admin up flag */
545 old_flags = si->flags;
547 /* update si admin up flag in advance if we are going admin down */
548 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
549 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
551 if (dev_class->admin_up_down_function
552 && (error = dev_class->admin_up_down_function (vnm,
556 /* restore si admin up flag to it's original state on errors */
557 si->flags = old_flags;
561 if (hw_class->admin_up_down_function
562 && (error = hw_class->admin_up_down_function (vnm,
566 /* restore si admin up flag to it's original state on errors */
567 si->flags = old_flags;
571 /* Admin down implies link down. */
572 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
573 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
574 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
576 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
589 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
591 return vnet_hw_interface_set_flags_helper
592 (vnm, hw_if_index, flags,
593 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
597 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index, u32 flags)
599 return vnet_sw_interface_set_flags_helper
600 (vnm, sw_if_index, flags,
601 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
605 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
606 vnet_sw_interface_t * template)
608 vnet_interface_main_t *im = &vnm->interface_main;
609 vnet_sw_interface_t *sw;
612 pool_get (im->sw_interfaces, sw);
613 sw_if_index = sw - im->sw_interfaces;
618 sw->sw_if_index = sw_if_index;
619 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
620 sw->sup_sw_if_index = sw->sw_if_index;
622 sw->max_l3_packet_bytes[VLIB_RX] = ~0;
623 sw->max_l3_packet_bytes[VLIB_TX] = ~0;
625 /* Allocate counters for this interface. */
629 vnet_interface_counter_lock (im);
631 for (i = 0; i < vec_len (im->sw_if_counters); i++)
633 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
634 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
637 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
639 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
641 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
645 vnet_interface_counter_unlock (im);
652 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
656 vnet_hw_interface_t *hi;
657 vnet_device_class_t *dev_class;
659 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
660 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
662 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
663 dev_class->subif_add_del_function)
665 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
666 (struct vnet_sw_interface_t
672 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
673 error = vnet_sw_interface_set_flags_helper
674 (vnm, *sw_if_index, template->flags,
675 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
679 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
680 vnet_interface_main_t *im = &vnm->interface_main;
681 vnet_sw_interface_t *sw =
682 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
683 pool_put (im->sw_interfaces, sw);
690 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
692 vnet_interface_main_t *im = &vnm->interface_main;
693 vnet_sw_interface_t *sw =
694 pool_elt_at_index (im->sw_interfaces, sw_if_index);
696 /* Check if the interface has config and is removed from L2 BD or XConnect */
697 vlib_main_t *vm = vlib_get_main ();
698 l2_input_config_t *config;
699 if (sw_if_index < vec_len (l2input_main.configs))
701 config = vec_elt_at_index (l2input_main.configs, sw_if_index);
702 if (config->xconnect)
703 set_int_l2_mode (vm, vnm, MODE_L3, config->output_sw_if_index, 0, 0,
705 if (config->xconnect || config->bridge)
706 set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0, 0, 0, 0);
709 /* Bring down interface in case it is up. */
711 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
713 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
715 pool_put (im->sw_interfaces, sw);
719 setup_tx_node (vlib_main_t * vm,
720 u32 node_index, vnet_device_class_t * dev_class)
722 vlib_node_t *n = vlib_get_node (vm, node_index);
724 n->function = dev_class->tx_function;
725 n->format_trace = dev_class->format_tx_trace;
727 vlib_register_errors (vm, node_index,
728 dev_class->tx_function_n_errors,
729 dev_class->tx_function_error_strings);
733 setup_output_node (vlib_main_t * vm,
734 u32 node_index, vnet_hw_interface_class_t * hw_class)
736 vlib_node_t *n = vlib_get_node (vm, node_index);
737 n->format_buffer = hw_class->format_header;
738 n->unformat_buffer = hw_class->unformat_header;
741 /* Register an interface instance. */
743 vnet_register_interface (vnet_main_t * vnm,
746 u32 hw_class_index, u32 hw_instance)
748 vnet_interface_main_t *im = &vnm->interface_main;
749 vnet_hw_interface_t *hw;
750 vnet_device_class_t *dev_class =
751 vnet_get_device_class (vnm, dev_class_index);
752 vnet_hw_interface_class_t *hw_class =
753 vnet_get_hw_interface_class (vnm, hw_class_index);
754 vlib_main_t *vm = vnm->vlib_main;
755 vnet_feature_config_main_t *fcm;
756 vnet_config_main_t *cm;
758 char *tx_node_name, *output_node_name;
760 pool_get (im->hw_interfaces, hw);
761 memset (hw, 0, sizeof (*hw));
763 hw_index = hw - im->hw_interfaces;
764 hw->hw_if_index = hw_index;
765 hw->default_rx_mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
767 if (dev_class->format_device_name)
768 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
769 else if (hw_class->format_interface_name)
770 hw->name = format (0, "%U", hw_class->format_interface_name,
773 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
775 if (!im->hw_interface_by_name)
776 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
777 sizeof (hw->name[0]),
780 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
782 /* Make hardware interface point to software interface. */
784 vnet_sw_interface_t sw = {
785 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
786 .flood_class = VNET_FLOOD_CLASS_NORMAL,
787 .hw_if_index = hw_index
789 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
792 hw->dev_class_index = dev_class_index;
793 hw->dev_instance = dev_instance;
794 hw->hw_class_index = hw_class_index;
795 hw->hw_instance = hw_instance;
797 hw->max_rate_bits_per_sec = 0;
798 hw->min_packet_bytes = 0;
799 hw->max_packet_bytes = 9000; /* default */
801 if (dev_class->tx_function == 0)
802 goto no_output_nodes; /* No output/tx nodes to create */
804 tx_node_name = (char *) format (0, "%v-tx", hw->name);
805 output_node_name = (char *) format (0, "%v-output", hw->name);
807 /* If we have previously deleted interface nodes, re-use them. */
808 if (vec_len (im->deleted_hw_interface_nodes) > 0)
810 vnet_hw_interface_nodes_t *hn;
812 vlib_node_runtime_t *nrt;
814 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
816 hw->tx_node_index = hn->tx_node_index;
817 hw->output_node_index = hn->output_node_index;
819 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
820 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
824 vnet_interface_output_runtime_t *rt;
826 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
827 ASSERT (rt->is_deleted == 1);
829 rt->hw_if_index = hw_index;
830 rt->sw_if_index = hw->sw_if_index;
831 rt->dev_instance = hw->dev_instance;
833 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
834 rt->hw_if_index = hw_index;
835 rt->sw_if_index = hw->sw_if_index;
836 rt->dev_instance = hw->dev_instance;
840 /* The new class may differ from the old one.
841 * Functions have to be updated. */
842 node = vlib_get_node (vm, hw->output_node_index);
843 node->function = vnet_interface_output_node_multiarch_select ();
844 node->format_trace = format_vnet_interface_output_trace;
847 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
848 nrt->function = node->function;
852 node = vlib_get_node (vm, hw->tx_node_index);
853 node->function = dev_class->tx_function;
854 node->format_trace = dev_class->format_tx_trace;
857 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
858 nrt->function = node->function;
862 _vec_len (im->deleted_hw_interface_nodes) -= 1;
866 vlib_node_registration_t r;
867 vnet_interface_output_runtime_t rt = {
868 .hw_if_index = hw_index,
869 .sw_if_index = hw->sw_if_index,
870 .dev_instance = hw->dev_instance,
874 memset (&r, 0, sizeof (r));
875 r.type = VLIB_NODE_TYPE_INTERNAL;
876 r.runtime_data = &rt;
877 r.runtime_data_bytes = sizeof (rt);
879 r.vector_size = sizeof (u32);
881 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
882 r.name = tx_node_name;
883 r.function = dev_class->tx_function;
885 hw->tx_node_index = vlib_register_node (vm, &r);
887 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
889 VNET_INTERFACE_TX_NEXT_DROP);
892 r.name = output_node_name;
893 r.function = vnet_interface_output_node_multiarch_select ();
894 r.format_trace = format_vnet_interface_output_trace;
899 "interface is deleted",
902 r.n_errors = ARRAY_LEN (e);
905 hw->output_node_index = vlib_register_node (vm, &r);
907 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
909 VNET_INTERFACE_OUTPUT_NEXT_DROP);
910 vlib_node_add_next_with_slot (vm, hw->output_node_index,
912 VNET_INTERFACE_OUTPUT_NEXT_TX);
914 /* add interface to the list of "output-interface" feature arc start nodes
915 and clone nexts from 1st interface if it exists */
916 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
917 cm = &fcm->config_main;
918 i = vec_len (cm->start_node_indices);
919 vec_validate (cm->start_node_indices, i);
920 cm->start_node_indices[i] = hw->output_node_index;
923 /* copy nexts from 1st interface */
924 vnet_hw_interface_t *first_hw;
925 vlib_node_t *first_node;
927 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
928 first_node = vlib_get_node (vm, first_hw->output_node_index);
930 /* 1st 2 nexts are already added above */
931 for (i = 2; i < vec_len (first_node->next_nodes); i++)
932 vlib_node_add_next_with_slot (vm, hw->output_node_index,
933 first_node->next_nodes[i], i);
937 setup_output_node (vm, hw->output_node_index, hw_class);
938 setup_tx_node (vm, hw->tx_node_index, dev_class);
941 /* Call all up/down callbacks with zero flags when interface is created. */
942 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
943 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
944 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
945 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
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->input_node_thread_index_by_queue);
1013 vec_free (hw->dq_runtime_index_by_queue);
1015 pool_put (im->hw_interfaces, hw);
1019 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1021 vnet_hw_sw_interface_walk_t fn, void *ctx)
1023 vnet_hw_interface_t *hi;
1024 u32 id, sw_if_index;
1026 hi = vnet_get_hw_interface (vnm, hw_if_index);
1027 /* the super first, then the and sub interfaces */
1028 fn (vnm, hi->sw_if_index, ctx);
1031 hash_foreach (id, sw_if_index,
1032 hi->sub_interface_sw_if_index_by_id,
1034 fn (vnm, sw_if_index, ctx);
1040 serialize_vnet_hw_interface_set_class (serialize_main_t * m, va_list * va)
1042 u32 hw_if_index = va_arg (*va, u32);
1043 char *hw_class_name = va_arg (*va, char *);
1044 serialize_integer (m, hw_if_index, sizeof (hw_if_index));
1045 serialize_cstring (m, hw_class_name);
1049 unserialize_vnet_hw_interface_set_class (serialize_main_t * m, va_list * va)
1051 CLIB_UNUSED (mc_main_t * mc) = va_arg (*va, mc_main_t *);
1052 vnet_main_t *vnm = vnet_get_main ();
1054 char *hw_class_name;
1056 clib_error_t *error;
1058 unserialize_integer (m, &hw_if_index, sizeof (hw_if_index));
1059 unserialize_cstring (m, &hw_class_name);
1061 hash_get (vnm->interface_main.hw_interface_class_by_name, hw_class_name);
1063 error = vnet_hw_interface_set_class_helper (vnm, hw_if_index, p[0],
1064 /* redistribute */ 0);
1066 clib_error_report (error);
1069 MC_SERIALIZE_MSG (vnet_hw_interface_set_class_msg, static) =
1071 .name = "vnet_hw_interface_set_class",.serialize =
1072 serialize_vnet_hw_interface_set_class,.unserialize =
1073 unserialize_vnet_hw_interface_set_class,};
1076 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1077 u32 hw_class_index, u32 hw_instance)
1079 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1080 vnet_hw_interface_class_t *hc =
1081 vnet_get_hw_interface_class (vnm, hw_class_index);
1083 hi->hw_class_index = hw_class_index;
1084 hi->hw_instance = hw_instance;
1085 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1088 static clib_error_t *
1089 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1090 u32 hw_class_index, u32 redistribute)
1092 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1093 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1094 vnet_hw_interface_class_t *old_class =
1095 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1096 vnet_hw_interface_class_t *new_class =
1097 vnet_get_hw_interface_class (vnm, hw_class_index);
1098 vnet_device_class_t *dev_class =
1099 vnet_get_device_class (vnm, hi->dev_class_index);
1100 clib_error_t *error = 0;
1102 /* New class equals old class? Nothing to do. */
1103 if (hi->hw_class_index == hw_class_index)
1106 /* No need (and incorrect since admin up flag may be set) to do error checking when
1107 receiving unserialize message. */
1110 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1111 return clib_error_return (0,
1112 "%v must be admin down to change class from %s to %s",
1113 hi->name, old_class->name, new_class->name);
1115 /* Make sure interface supports given class. */
1116 if ((new_class->is_valid_class_for_interface
1117 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1119 || (dev_class->is_valid_class_for_interface
1120 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1122 return clib_error_return (0,
1123 "%v class cannot be changed from %s to %s",
1124 hi->name, old_class->name, new_class->name);
1126 if (vnm->vlib_main->mc_main)
1128 mc_serialize (vnm->vlib_main->mc_main,
1129 &vnet_hw_interface_set_class_msg, hw_if_index,
1135 if (old_class->hw_class_change)
1136 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1139 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1142 if (new_class->hw_class_change)
1143 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1146 if (dev_class->hw_class_change)
1147 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1153 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1156 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1157 /* redistribute */ 1);
1161 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1166 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1167 vnet_device_class_t *dev_class = vnet_get_device_class
1168 (vnm, hi->dev_class_index);
1172 /* $$$$ fixme someday maybe */
1173 ASSERT (vnm->vlib_main->mc_main == 0);
1175 if (dev_class->rx_redirect_to_node)
1177 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1181 return VNET_API_ERROR_UNIMPLEMENTED;
1185 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1188 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1190 1 /* redistribute */ );
1194 vnet_sw_interface_compare (vnet_main_t * vnm,
1195 uword sw_if_index0, uword sw_if_index1)
1197 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1198 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1199 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1200 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1203 return vec_cmp (h0->name, h1->name);
1204 return (word) h0->hw_instance - (word) h1->hw_instance;
1208 vnet_hw_interface_compare (vnet_main_t * vnm,
1209 uword hw_if_index0, uword hw_if_index1)
1211 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1212 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1215 return vec_cmp (h0->name, h1->name);
1216 return (word) h0->hw_instance - (word) h1->hw_instance;
1220 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1222 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1223 if (si->type == VNET_SW_INTERFACE_TYPE_P2P)
1226 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1227 vnet_hw_interface_class_t *hc =
1228 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1230 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1234 vnet_interface_init (vlib_main_t * vm)
1236 vnet_main_t *vnm = vnet_get_main ();
1237 vnet_interface_main_t *im = &vnm->interface_main;
1238 vlib_buffer_t *b = 0;
1239 vnet_buffer_opaque_t *o = 0;
1240 clib_error_t *error;
1243 * Keep people from shooting themselves in the foot.
1245 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1247 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1249 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1250 #a, sizeof(o->a), sizeof (o->unused));
1251 foreach_buffer_opaque_union_subtype;
1254 return clib_error_return
1255 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1256 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1259 im->sw_if_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
1260 CLIB_CACHE_LINE_BYTES);
1261 im->sw_if_counter_lock[0] = 1; /* should be no need */
1263 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1264 im->sw_if_counters[VNET_INTERFACE_COUNTER_DROP].name = "drops";
1265 im->sw_if_counters[VNET_INTERFACE_COUNTER_PUNT].name = "punts";
1266 im->sw_if_counters[VNET_INTERFACE_COUNTER_IP4].name = "ip4";
1267 im->sw_if_counters[VNET_INTERFACE_COUNTER_IP6].name = "ip6";
1268 im->sw_if_counters[VNET_INTERFACE_COUNTER_RX_NO_BUF].name = "rx-no-buf";
1269 im->sw_if_counters[VNET_INTERFACE_COUNTER_RX_MISS].name = "rx-miss";
1270 im->sw_if_counters[VNET_INTERFACE_COUNTER_RX_ERROR].name = "rx-error";
1271 im->sw_if_counters[VNET_INTERFACE_COUNTER_TX_ERROR].name = "tx-error";
1273 vec_validate (im->combined_sw_if_counters,
1274 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1275 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_RX].name = "rx";
1276 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_RX_UNICAST].name =
1278 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_RX_MULTICAST].name =
1280 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_RX_BROADCAST].name =
1282 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_TX].name = "tx";
1283 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_TX_UNICAST].name =
1285 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_TX_MULTICAST].name =
1287 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_TX_BROADCAST].name =
1290 im->sw_if_counter_lock[0] = 0;
1292 im->device_class_by_name = hash_create_string ( /* size */ 0,
1295 vnet_device_class_t *c;
1297 c = vnm->device_class_registrations;
1301 c->index = vec_len (im->device_classes);
1302 hash_set_mem (im->device_class_by_name, c->name, c->index);
1303 vec_add1 (im->device_classes, c[0]);
1304 c = c->next_class_registration;
1308 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1311 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1314 vnet_hw_interface_class_t *c;
1316 c = vnm->hw_interface_class_registrations;
1320 c->index = vec_len (im->hw_interface_classes);
1321 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1323 if (NULL == c->build_rewrite)
1324 c->build_rewrite = default_build_rewrite;
1325 if (NULL == c->update_adjacency)
1326 c->update_adjacency = default_update_adjacency;
1328 vec_add1 (im->hw_interface_classes, c[0]);
1329 c = c->next_class_registration;
1333 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1336 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1338 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1339 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1346 VLIB_INIT_FUNCTION (vnet_interface_init);
1348 /* Kludge to renumber interface names [only!] */
1350 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1353 vnet_main_t *vnm = vnet_get_main ();
1354 vnet_interface_main_t *im = &vnm->interface_main;
1355 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1357 vnet_device_class_t *dev_class = vnet_get_device_class
1358 (vnm, hi->dev_class_index);
1360 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1361 return VNET_API_ERROR_UNIMPLEMENTED;
1363 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1368 hash_unset_mem (im->hw_interface_by_name, hi->name);
1369 vec_free (hi->name);
1370 /* Use the mapping we set up to call it Ishmael */
1371 hi->name = format (0, "%U", dev_class->format_device_name,
1374 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1379 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1381 vnet_interface_main_t *im = &vnm->interface_main;
1382 vlib_main_t *vm = vnm->vlib_main;
1383 vnet_hw_interface_t *hw;
1385 clib_error_t *error = 0;
1387 hw = vnet_get_hw_interface (vnm, hw_if_index);
1390 return clib_error_return (0,
1391 "unable to find hw interface for index %u",
1395 old_name = hw->name;
1397 /* set new hw->name */
1398 hw->name = format (0, "%s", new_name);
1400 /* remove the old name to hw_if_index mapping and install the new one */
1401 hash_unset_mem (im->hw_interface_by_name, old_name);
1402 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1404 /* rename tx/output nodes */
1405 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1406 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1408 /* free the old name vector */
1409 vec_free (old_name);
1414 static clib_error_t *
1415 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1419 clib_error_t *error = 0;
1420 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
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, (char *) mac_address);
1433 vnet_hw_interface_class_t *hw_class;
1435 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1437 if (NULL != hw_class->mac_addr_change_function)
1438 hw_class->mac_addr_change_function (hi, (char *) mac_address);
1443 clib_error_return (0,
1444 "MAC Address Change is not supported on this interface");
1450 clib_error_return (0,
1451 "mac address change is not supported for interface index %u",
1458 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1461 return vnet_hw_interface_change_mac_address_helper
1462 (vnm, hw_if_index, mac_address);
1465 /* update the unnumbered state of an interface*/
1467 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1468 u32 ip_sw_if_index, u8 enable)
1470 vnet_main_t *vnm = vnet_get_main ();
1471 vnet_sw_interface_t *si;
1474 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1475 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1479 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1480 si->unnumbered_sw_if_index = ip_sw_if_index;
1482 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1483 [unnumbered_sw_if_index] =
1485 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1487 lookup_main.if_address_pool_index_by_sw_if_index
1488 [unnumbered_sw_if_index] =
1490 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1494 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1495 si->unnumbered_sw_if_index = (u32) ~ 0;
1497 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1498 [unnumbered_sw_if_index] = ~0;
1499 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1500 [unnumbered_sw_if_index] = ~0;
1503 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1505 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1506 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1510 vnet_l3_packet_type_t
1511 vnet_link_to_l3_proto (vnet_link_t link)
1516 return (VNET_L3_PACKET_TYPE_IP4);
1518 return (VNET_L3_PACKET_TYPE_IP6);
1519 case VNET_LINK_MPLS:
1520 return (VNET_L3_PACKET_TYPE_MPLS);
1522 return (VNET_L3_PACKET_TYPE_ARP);
1523 case VNET_LINK_ETHERNET:
1533 default_build_rewrite (vnet_main_t * vnm,
1535 vnet_link_t link_type, const void *dst_address)
1541 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1543 ip_adjacency_t *adj;
1547 switch (adj->lookup_next_index)
1549 case IP_LOOKUP_NEXT_GLEAN:
1550 adj_glean_update_rewrite (ai);
1552 case IP_LOOKUP_NEXT_ARP:
1554 * default rewirte in neighbour adj
1556 adj_nbr_update_rewrite
1558 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1559 vnet_build_rewrite_for_sw_interface (vnm,
1561 adj_get_link_type (ai), NULL));
1563 case IP_LOOKUP_NEXT_MCAST:
1565 * mcast traffic also uses default rewrite string with no mcast
1566 * switch time updates.
1568 adj_mcast_update_rewrite
1570 vnet_build_rewrite_for_sw_interface (vnm,
1572 adj_get_link_type (ai),
1575 case IP_LOOKUP_NEXT_DROP:
1576 case IP_LOOKUP_NEXT_PUNT:
1577 case IP_LOOKUP_NEXT_LOCAL:
1578 case IP_LOOKUP_NEXT_REWRITE:
1579 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1580 case IP_LOOKUP_NEXT_MIDCHAIN:
1581 case IP_LOOKUP_NEXT_ICMP_ERROR:
1582 case IP_LOOKUP_N_NEXT:
1588 int collect_detailed_interface_stats_flag = 0;
1591 collect_detailed_interface_stats_flag_set (void)
1593 collect_detailed_interface_stats_flag = 1;
1597 collect_detailed_interface_stats_flag_clear (void)
1599 collect_detailed_interface_stats_flag = 0;
1602 static clib_error_t *
1603 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1604 unformat_input_t * input,
1605 vlib_cli_command_t * cmd)
1607 unformat_input_t _line_input, *line_input = &_line_input;
1608 clib_error_t *error = NULL;
1610 /* Get a line of input. */
1611 if (!unformat_user (input, unformat_line_input, line_input))
1612 return clib_error_return (0, "expected enable | disable");
1614 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1616 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1617 collect_detailed_interface_stats_flag_set ();
1618 else if (unformat (line_input, "disable")
1619 || unformat (line_input, "off"))
1620 collect_detailed_interface_stats_flag_clear ();
1623 error = clib_error_return (0, "unknown input `%U'",
1624 format_unformat_error, line_input);
1630 unformat_free (line_input);
1635 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1636 .path = "interface collect detailed-stats",
1637 .short_help = "interface collect detailed-stats <enable|disable>",
1638 .function = collect_detailed_interface_stats_cli,
1643 * fd.io coding-style-patch-verification: ON
1646 * eval: (c-set-style "gnu")