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 #define VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE (1 << 0)
48 #define VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE (1 << 1)
50 static clib_error_t *vnet_hw_interface_set_flags_helper (vnet_main_t * vnm,
55 static clib_error_t *vnet_sw_interface_set_flags_helper (vnet_main_t * vnm,
60 static clib_error_t *vnet_hw_interface_set_class_helper (vnet_main_t * vnm,
67 /* Either sw or hw interface index. */
72 } vnet_sw_hw_interface_state_t;
75 serialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m, va_list * va)
77 vnet_sw_hw_interface_state_t *s =
78 va_arg (*va, vnet_sw_hw_interface_state_t *);
79 u32 n = va_arg (*va, u32);
81 for (i = 0; i < n; i++)
83 serialize_integer (m, s[i].sw_hw_if_index,
84 sizeof (s[i].sw_hw_if_index));
85 serialize_integer (m, s[i].flags, sizeof (s[i].flags));
90 unserialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m,
93 vnet_sw_hw_interface_state_t *s =
94 va_arg (*va, vnet_sw_hw_interface_state_t *);
95 u32 n = va_arg (*va, u32);
97 for (i = 0; i < n; i++)
99 unserialize_integer (m, &s[i].sw_hw_if_index,
100 sizeof (s[i].sw_hw_if_index));
101 unserialize_integer (m, &s[i].flags, sizeof (s[i].flags));
106 serialize_vnet_sw_hw_interface_set_flags (serialize_main_t * m, va_list * va)
108 vnet_sw_hw_interface_state_t *s =
109 va_arg (*va, vnet_sw_hw_interface_state_t *);
110 serialize (m, serialize_vec_vnet_sw_hw_interface_state, s, 1);
114 unserialize_vnet_sw_interface_set_flags (serialize_main_t * m, va_list * va)
116 CLIB_UNUSED (mc_main_t * mc) = va_arg (*va, mc_main_t *);
117 vnet_sw_hw_interface_state_t s;
119 unserialize (m, unserialize_vec_vnet_sw_hw_interface_state, &s, 1);
121 vnet_sw_interface_set_flags_helper
122 (vnet_get_main (), s.sw_hw_if_index, s.flags,
123 /* helper_flags no redistribution */ 0);
127 unserialize_vnet_hw_interface_set_flags (serialize_main_t * m, va_list * va)
129 CLIB_UNUSED (mc_main_t * mc) = va_arg (*va, mc_main_t *);
130 vnet_sw_hw_interface_state_t s;
132 unserialize (m, unserialize_vec_vnet_sw_hw_interface_state, &s, 1);
134 vnet_hw_interface_set_flags_helper
135 (vnet_get_main (), s.sw_hw_if_index, s.flags,
136 /* helper_flags no redistribution */ 0);
139 MC_SERIALIZE_MSG (vnet_sw_interface_set_flags_msg, static) =
141 .name = "vnet_sw_interface_set_flags",.serialize =
142 serialize_vnet_sw_hw_interface_set_flags,.unserialize =
143 unserialize_vnet_sw_interface_set_flags,};
145 MC_SERIALIZE_MSG (vnet_hw_interface_set_flags_msg, static) =
147 .name = "vnet_hw_interface_set_flags",.serialize =
148 serialize_vnet_sw_hw_interface_set_flags,.unserialize =
149 unserialize_vnet_hw_interface_set_flags,};
152 serialize_vnet_interface_state (serialize_main_t * m, va_list * va)
154 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
155 vnet_sw_hw_interface_state_t *sts = 0, *st;
156 vnet_sw_interface_t *sif;
157 vnet_hw_interface_t *hif;
158 vnet_interface_main_t *im = &vnm->interface_main;
160 /* Serialize hardware interface classes since they may have changed.
161 Must do this before sending up/down flags. */
163 pool_foreach (hif, im->hw_interfaces, ({
164 vnet_hw_interface_class_t * hw_class = vnet_get_hw_interface_class (vnm, hif->hw_class_index);
165 serialize_cstring (m, hw_class->name);
169 /* Send sw/hw interface state when non-zero. */
171 pool_foreach (sif, im->sw_interfaces, ({
174 vec_add2 (sts, st, 1);
175 st->sw_hw_if_index = sif->sw_if_index;
176 st->flags = sif->flags;
181 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
187 pool_foreach (hif, im->hw_interfaces, ({
190 vec_add2 (sts, st, 1);
191 st->sw_hw_if_index = hif->hw_if_index;
192 st->flags = hif->flags;
197 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
203 unserialize_vnet_interface_state (serialize_main_t * m, va_list * va)
205 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
206 vnet_sw_hw_interface_state_t *sts = 0, *st;
208 /* First set interface hardware class. */
210 vnet_interface_main_t *im = &vnm->interface_main;
211 vnet_hw_interface_t *hif;
217 pool_foreach (hif, im->hw_interfaces, ({
218 unserialize_cstring (m, &class_name);
219 p = hash_get_mem (im->hw_interface_class_by_name, class_name);
221 error = vnet_hw_interface_set_class_helper (vnm, hif->hw_if_index, p[0], /* redistribute */ 0);
223 clib_error_report (error);
224 vec_free (class_name);
229 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
230 vec_foreach (st, sts)
231 vnet_sw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
232 /* no distribute */ 0);
235 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
236 vec_foreach (st, sts)
237 vnet_hw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
238 /* no distribute */ 0);
242 static clib_error_t *
243 call_elf_section_interface_callbacks (vnet_main_t * vnm, u32 if_index,
245 _vnet_interface_function_list_elt_t **
248 _vnet_interface_function_list_elt_t *elt;
249 vnet_interface_function_priority_t prio;
250 clib_error_t *error = 0;
252 for (prio = VNET_ITF_FUNC_PRIORITY_LOW;
253 prio <= VNET_ITF_FUNC_PRIORITY_HIGH; prio++)
259 error = elt->fp (vnm, if_index, flags);
262 elt = elt->next_interface_function;
268 static clib_error_t *
269 call_hw_interface_add_del_callbacks (vnet_main_t * vnm, u32 hw_if_index,
272 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
273 vnet_hw_interface_class_t *hw_class =
274 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
275 vnet_device_class_t *dev_class =
276 vnet_get_device_class (vnm, hi->dev_class_index);
277 clib_error_t *error = 0;
279 if (hw_class->interface_add_del_function
281 hw_class->interface_add_del_function (vnm, hw_if_index, is_create)))
284 if (dev_class->interface_add_del_function
286 dev_class->interface_add_del_function (vnm, hw_if_index,
290 error = call_elf_section_interface_callbacks
291 (vnm, hw_if_index, is_create, vnm->hw_interface_add_del_functions);
296 static clib_error_t *
297 call_sw_interface_add_del_callbacks (vnet_main_t * vnm, u32 sw_if_index,
300 return call_elf_section_interface_callbacks
301 (vnm, sw_if_index, is_create, vnm->sw_interface_add_del_functions);
304 #define VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE (1 << 0)
305 #define VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE (1 << 1)
307 static clib_error_t *
308 vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
309 u32 flags, u32 helper_flags)
311 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
312 vnet_hw_interface_class_t *hw_class =
313 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
314 vnet_device_class_t *dev_class =
315 vnet_get_device_class (vnm, hi->dev_class_index);
316 vlib_main_t *vm = vnm->vlib_main;
318 clib_error_t *error = 0;
320 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
323 (VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK |
324 VNET_HW_INTERFACE_FLAG_SPEED_MASK);
327 /* Call hardware interface add/del callbacks. */
329 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
331 /* Already in the desired state? */
332 if (!is_create && (hi->flags & mask) == flags)
335 /* Some interface classes do not redistribute (e.g. are local). */
336 if (!dev_class->redistribute)
337 helper_flags &= ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
340 && (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE))
342 vnet_sw_hw_interface_state_t s;
343 s.sw_hw_if_index = hw_if_index;
345 mc_serialize (vm->mc_main, &vnet_hw_interface_set_flags_msg, &s);
348 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
349 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
351 /* Do hardware class (e.g. ethernet). */
352 if (hw_class->link_up_down_function
353 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
357 error = call_elf_section_interface_callbacks
358 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
371 static clib_error_t *
372 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
373 u32 flags, u32 helper_flags)
375 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
376 vlib_main_t *vm = vnm->vlib_main;
378 clib_error_t *error = 0;
380 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
383 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
389 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
393 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
395 /* Notify everyone when the interface is created as admin up */
396 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
399 sw_interface_admin_up_down_functions);
406 vnet_sw_interface_t *si_sup = si;
408 /* Check that super interface is in correct state. */
409 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
411 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
413 /* Check to see if we're bringing down the soft interface and if it's parent is up */
414 if ((flags != (si_sup->flags & mask)) &&
416 && ((si_sup->flags & mask) ==
417 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
419 error = clib_error_return (0, "super-interface %U must be %U",
420 format_vnet_sw_interface_name, vnm,
422 format_vnet_sw_interface_flags,
428 /* Donot change state for slave link of bonded interfaces */
429 if (si->flags & VNET_SW_INTERFACE_FLAG_BOND_SLAVE)
431 error = clib_error_return
432 (0, "not allowed as %U belong to a BondEthernet interface",
433 format_vnet_sw_interface_name, vnm, si);
437 /* Already in the desired state? */
438 if ((si->flags & mask) == flags)
441 /* Sub-interfaces of hardware interfaces that do no redistribute,
442 do not redistribute themselves. */
443 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
445 vnet_hw_interface_t *hi =
446 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
447 vnet_device_class_t *dev_class =
448 vnet_get_device_class (vnm, hi->dev_class_index);
449 if (!dev_class->redistribute)
451 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
456 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE))
458 vnet_sw_hw_interface_state_t s;
459 s.sw_hw_if_index = sw_if_index;
461 mc_serialize (vm->mc_main, &vnet_sw_interface_set_flags_msg, &s);
464 /* set the flags now before invoking the registered clients
465 * so that the state they query is consistent with the state here notified */
466 old_flags = si->flags;
469 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
470 error = call_elf_section_interface_callbacks
471 (vnm, sw_if_index, flags,
472 vnm->sw_interface_admin_up_down_functions);
476 /* restore flags on error */
477 si->flags = old_flags;
481 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
483 vnet_hw_interface_t *hi =
484 vnet_get_hw_interface (vnm, si->hw_if_index);
485 vnet_hw_interface_class_t *hw_class =
486 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
487 vnet_device_class_t *dev_class =
488 vnet_get_device_class (vnm, hi->dev_class_index);
490 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
491 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
493 error = clib_error_return (0, "Interface in the error state");
497 /* save the si admin up flag */
498 old_flags = si->flags;
500 /* update si admin up flag in advance if we are going admin down */
501 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
502 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
504 if (dev_class->admin_up_down_function
505 && (error = dev_class->admin_up_down_function (vnm,
509 /* restore si admin up flag to it's original state on errors */
510 si->flags = old_flags;
514 if (hw_class->admin_up_down_function
515 && (error = hw_class->admin_up_down_function (vnm,
519 /* restore si admin up flag to it's original state on errors */
520 si->flags = old_flags;
524 /* Admin down implies link down. */
525 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
526 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
527 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
529 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
542 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
544 return vnet_hw_interface_set_flags_helper
545 (vnm, hw_if_index, flags,
546 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
550 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index, u32 flags)
552 return vnet_sw_interface_set_flags_helper
553 (vnm, sw_if_index, flags,
554 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
558 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
559 vnet_sw_interface_t * template)
561 vnet_interface_main_t *im = &vnm->interface_main;
562 vnet_sw_interface_t *sw;
565 pool_get (im->sw_interfaces, sw);
566 sw_if_index = sw - im->sw_interfaces;
571 sw->sw_if_index = sw_if_index;
572 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
573 sw->sup_sw_if_index = sw->sw_if_index;
575 /* Allocate counters for this interface. */
579 vnet_interface_counter_lock (im);
581 for (i = 0; i < vec_len (im->sw_if_counters); i++)
583 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
584 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
587 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
589 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
591 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
595 vnet_interface_counter_unlock (im);
602 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
606 vnet_hw_interface_t *hi;
607 vnet_device_class_t *dev_class;
609 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
610 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
612 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
613 dev_class->subif_add_del_function)
615 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
616 (struct vnet_sw_interface_t
622 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
623 error = vnet_sw_interface_set_flags_helper
624 (vnm, *sw_if_index, template->flags,
625 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
629 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
630 vnet_interface_main_t *im = &vnm->interface_main;
631 vnet_sw_interface_t *sw =
632 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
633 pool_put (im->sw_interfaces, sw);
640 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
642 vnet_interface_main_t *im = &vnm->interface_main;
643 vnet_sw_interface_t *sw =
644 pool_elt_at_index (im->sw_interfaces, sw_if_index);
646 /* Check if the interface has config and is removed from L2 BD or XConnect */
647 vlib_main_t *vm = vlib_get_main ();
648 l2_input_config_t *config;
649 if (sw_if_index < vec_len (l2input_main.configs))
651 config = vec_elt_at_index (l2input_main.configs, sw_if_index);
652 if (config->xconnect)
653 set_int_l2_mode (vm, vnm, MODE_L3, config->output_sw_if_index, 0, 0,
655 if (config->xconnect || config->bridge)
656 set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0, 0, 0, 0);
658 vnet_clear_sw_interface_tag (vnm, sw_if_index);
660 /* Bring down interface in case it is up. */
662 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
664 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
666 pool_put (im->sw_interfaces, sw);
669 static clib_error_t *
670 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
672 return call_elf_section_interface_callbacks
673 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
677 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
679 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
681 if (si->mtu[VNET_MTU_L3] != mtu)
683 si->mtu[VNET_MTU_L3] = mtu;
684 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
689 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
692 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
693 bool changed = false;
696 for (i = 0; i < VNET_N_MTU; i++)
698 if (si->mtu[i] != mtu[i])
704 /* Notify interested parties */
706 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
710 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
711 u32 sw_if_index, u8 enable)
713 vnet_sw_interface_t *si;
715 si = vnet_get_sw_interface (vnm, sw_if_index);
718 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
720 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
722 ip4_directed_broadcast (sw_if_index, enable);
726 * Reflect a change in hardware MTU on protocol MTUs
729 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
732 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
733 return WALK_CONTINUE;
737 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
739 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
741 if (hi->max_packet_bytes != mtu)
743 hi->max_packet_bytes = mtu;
744 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
745 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
751 setup_tx_node (vlib_main_t * vm,
752 u32 node_index, vnet_device_class_t * dev_class)
754 vlib_node_t *n = vlib_get_node (vm, node_index);
756 n->function = dev_class->tx_function;
757 n->format_trace = dev_class->format_tx_trace;
759 vlib_register_errors (vm, node_index,
760 dev_class->tx_function_n_errors,
761 dev_class->tx_function_error_strings);
765 setup_output_node (vlib_main_t * vm,
766 u32 node_index, vnet_hw_interface_class_t * hw_class)
768 vlib_node_t *n = vlib_get_node (vm, node_index);
769 n->format_buffer = hw_class->format_header;
770 n->unformat_buffer = hw_class->unformat_header;
773 /* Register an interface instance. */
775 vnet_register_interface (vnet_main_t * vnm,
778 u32 hw_class_index, u32 hw_instance)
780 vnet_interface_main_t *im = &vnm->interface_main;
781 vnet_hw_interface_t *hw;
782 vnet_device_class_t *dev_class =
783 vnet_get_device_class (vnm, dev_class_index);
784 vnet_hw_interface_class_t *hw_class =
785 vnet_get_hw_interface_class (vnm, hw_class_index);
786 vlib_main_t *vm = vnm->vlib_main;
787 vnet_feature_config_main_t *fcm;
788 vnet_config_main_t *cm;
790 char *tx_node_name = NULL, *output_node_name = NULL;
792 pool_get (im->hw_interfaces, hw);
793 memset (hw, 0, sizeof (*hw));
795 hw_index = hw - im->hw_interfaces;
796 hw->hw_if_index = hw_index;
797 hw->default_rx_mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
799 if (dev_class->format_device_name)
800 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
801 else if (hw_class->format_interface_name)
802 hw->name = format (0, "%U", hw_class->format_interface_name,
805 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
807 if (!im->hw_interface_by_name)
808 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
809 sizeof (hw->name[0]),
812 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
814 /* Make hardware interface point to software interface. */
816 vnet_sw_interface_t sw = {
817 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
818 .flood_class = VNET_FLOOD_CLASS_NORMAL,
819 .hw_if_index = hw_index
821 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
824 hw->dev_class_index = dev_class_index;
825 hw->dev_instance = dev_instance;
826 hw->hw_class_index = hw_class_index;
827 hw->hw_instance = hw_instance;
829 hw->max_rate_bits_per_sec = 0;
830 hw->min_packet_bytes = 0;
831 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
833 if (dev_class->tx_function == 0)
834 goto no_output_nodes; /* No output/tx nodes to create */
836 tx_node_name = (char *) format (0, "%v-tx", hw->name);
837 output_node_name = (char *) format (0, "%v-output", hw->name);
839 /* If we have previously deleted interface nodes, re-use them. */
840 if (vec_len (im->deleted_hw_interface_nodes) > 0)
842 vnet_hw_interface_nodes_t *hn;
844 vlib_node_runtime_t *nrt;
846 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
848 hw->tx_node_index = hn->tx_node_index;
849 hw->output_node_index = hn->output_node_index;
851 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
852 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
856 vnet_interface_output_runtime_t *rt;
858 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
859 ASSERT (rt->is_deleted == 1);
861 rt->hw_if_index = hw_index;
862 rt->sw_if_index = hw->sw_if_index;
863 rt->dev_instance = hw->dev_instance;
865 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
866 rt->hw_if_index = hw_index;
867 rt->sw_if_index = hw->sw_if_index;
868 rt->dev_instance = hw->dev_instance;
872 /* The new class may differ from the old one.
873 * Functions have to be updated. */
874 node = vlib_get_node (vm, hw->output_node_index);
875 node->function = vnet_interface_output_node_multiarch_select ();
876 node->format_trace = format_vnet_interface_output_trace;
879 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
880 nrt->function = node->function;
884 node = vlib_get_node (vm, hw->tx_node_index);
885 node->function = dev_class->tx_function;
886 node->format_trace = dev_class->format_tx_trace;
889 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
890 nrt->function = node->function;
894 _vec_len (im->deleted_hw_interface_nodes) -= 1;
898 vlib_node_registration_t r;
899 vnet_interface_output_runtime_t rt = {
900 .hw_if_index = hw_index,
901 .sw_if_index = hw->sw_if_index,
902 .dev_instance = hw->dev_instance,
906 memset (&r, 0, sizeof (r));
907 r.type = VLIB_NODE_TYPE_INTERNAL;
908 r.runtime_data = &rt;
909 r.runtime_data_bytes = sizeof (rt);
911 r.vector_size = sizeof (u32);
913 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
914 r.name = tx_node_name;
915 r.function = dev_class->tx_function;
917 hw->tx_node_index = vlib_register_node (vm, &r);
919 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
921 VNET_INTERFACE_TX_NEXT_DROP);
924 r.name = output_node_name;
925 r.function = vnet_interface_output_node_multiarch_select ();
926 r.format_trace = format_vnet_interface_output_trace;
931 "interface is deleted",
934 r.n_errors = ARRAY_LEN (e);
937 hw->output_node_index = vlib_register_node (vm, &r);
939 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
941 VNET_INTERFACE_OUTPUT_NEXT_DROP);
942 vlib_node_add_next_with_slot (vm, hw->output_node_index,
944 VNET_INTERFACE_OUTPUT_NEXT_TX);
946 /* add interface to the list of "output-interface" feature arc start nodes
947 and clone nexts from 1st interface if it exists */
948 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
949 cm = &fcm->config_main;
950 i = vec_len (cm->start_node_indices);
951 vec_validate (cm->start_node_indices, i);
952 cm->start_node_indices[i] = hw->output_node_index;
955 /* copy nexts from 1st interface */
956 vnet_hw_interface_t *first_hw;
957 vlib_node_t *first_node;
959 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
960 first_node = vlib_get_node (vm, first_hw->output_node_index);
962 /* 1st 2 nexts are already added above */
963 for (i = 2; i < vec_len (first_node->next_nodes); i++)
964 vlib_node_add_next_with_slot (vm, hw->output_node_index,
965 first_node->next_nodes[i], i);
969 setup_output_node (vm, hw->output_node_index, hw_class);
970 setup_tx_node (vm, hw->tx_node_index, dev_class);
973 /* Call all up/down callbacks with zero flags when interface is created. */
974 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
975 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
976 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
977 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
978 vec_free (tx_node_name);
979 vec_free (output_node_name);
985 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
987 vnet_interface_main_t *im = &vnm->interface_main;
988 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
989 vlib_main_t *vm = vnm->vlib_main;
990 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
991 hw->dev_class_index);
992 /* If it is up, mark it down. */
994 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
996 /* Call delete callbacks. */
997 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
999 /* Delete any sub-interfaces. */
1001 u32 id, sw_if_index;
1003 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
1005 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1006 u64 sup_and_sub_key =
1007 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
1008 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1009 vnet_delete_sw_interface (vnm, sw_if_index);
1011 hash_free (hw->sub_interface_sw_if_index_by_id);
1015 /* Delete software interface corresponding to hardware interface. */
1016 vnet_delete_sw_interface (vnm, hw->sw_if_index);
1018 if (dev_class->tx_function)
1020 /* Put output/tx nodes into recycle pool */
1021 vnet_hw_interface_nodes_t *dn;
1026 vnet_interface_output_runtime_t *rt =
1027 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
1029 /* Mark node runtime as deleted so output node (if called)
1030 * will drop packets. */
1035 vlib_node_rename (vm, hw->output_node_index,
1036 "interface-%d-output-deleted", hw_if_index);
1037 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
1039 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
1040 dn->tx_node_index = hw->tx_node_index;
1041 dn->output_node_index = hw->output_node_index;
1044 hash_unset_mem (im->hw_interface_by_name, hw->name);
1045 vec_free (hw->name);
1046 vec_free (hw->hw_address);
1047 vec_free (hw->input_node_thread_index_by_queue);
1048 vec_free (hw->dq_runtime_index_by_queue);
1050 pool_put (im->hw_interfaces, hw);
1054 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1056 vnet_hw_sw_interface_walk_t fn, void *ctx)
1058 vnet_hw_interface_t *hi;
1059 u32 id, sw_if_index;
1061 hi = vnet_get_hw_interface (vnm, hw_if_index);
1062 /* the super first, then the sub interfaces */
1063 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1067 hash_foreach (id, sw_if_index,
1068 hi->sub_interface_sw_if_index_by_id,
1070 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1077 vnet_hw_interface_walk (vnet_main_t * vnm,
1078 vnet_hw_interface_walk_t fn, void *ctx)
1080 vnet_interface_main_t *im;
1081 vnet_hw_interface_t *hi;
1083 im = &vnm->interface_main;
1086 pool_foreach (hi, im->hw_interfaces,
1088 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1095 vnet_sw_interface_walk (vnet_main_t * vnm,
1096 vnet_sw_interface_walk_t fn, void *ctx)
1098 vnet_interface_main_t *im;
1099 vnet_sw_interface_t *si;
1101 im = &vnm->interface_main;
1104 pool_foreach (si, im->sw_interfaces,
1106 if (WALK_STOP == fn (vnm, si, ctx))
1113 serialize_vnet_hw_interface_set_class (serialize_main_t * m, va_list * va)
1115 u32 hw_if_index = va_arg (*va, u32);
1116 char *hw_class_name = va_arg (*va, char *);
1117 serialize_integer (m, hw_if_index, sizeof (hw_if_index));
1118 serialize_cstring (m, hw_class_name);
1122 unserialize_vnet_hw_interface_set_class (serialize_main_t * m, va_list * va)
1124 CLIB_UNUSED (mc_main_t * mc) = va_arg (*va, mc_main_t *);
1125 vnet_main_t *vnm = vnet_get_main ();
1127 char *hw_class_name;
1129 clib_error_t *error;
1131 unserialize_integer (m, &hw_if_index, sizeof (hw_if_index));
1132 unserialize_cstring (m, &hw_class_name);
1134 hash_get (vnm->interface_main.hw_interface_class_by_name, hw_class_name);
1136 error = vnet_hw_interface_set_class_helper (vnm, hw_if_index, p[0],
1137 /* redistribute */ 0);
1139 clib_error_report (error);
1142 MC_SERIALIZE_MSG (vnet_hw_interface_set_class_msg, static) =
1144 .name = "vnet_hw_interface_set_class",.serialize =
1145 serialize_vnet_hw_interface_set_class,.unserialize =
1146 unserialize_vnet_hw_interface_set_class,};
1149 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1150 u32 hw_class_index, u32 hw_instance)
1152 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1153 vnet_hw_interface_class_t *hc =
1154 vnet_get_hw_interface_class (vnm, hw_class_index);
1156 hi->hw_class_index = hw_class_index;
1157 hi->hw_instance = hw_instance;
1158 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1161 static clib_error_t *
1162 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1163 u32 hw_class_index, u32 redistribute)
1165 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1166 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1167 vnet_hw_interface_class_t *old_class =
1168 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1169 vnet_hw_interface_class_t *new_class =
1170 vnet_get_hw_interface_class (vnm, hw_class_index);
1171 vnet_device_class_t *dev_class =
1172 vnet_get_device_class (vnm, hi->dev_class_index);
1173 clib_error_t *error = 0;
1175 /* New class equals old class? Nothing to do. */
1176 if (hi->hw_class_index == hw_class_index)
1179 /* No need (and incorrect since admin up flag may be set) to do error checking when
1180 receiving unserialize message. */
1183 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1184 return clib_error_return (0,
1185 "%v must be admin down to change class from %s to %s",
1186 hi->name, old_class->name, new_class->name);
1188 /* Make sure interface supports given class. */
1189 if ((new_class->is_valid_class_for_interface
1190 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1192 || (dev_class->is_valid_class_for_interface
1193 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1195 return clib_error_return (0,
1196 "%v class cannot be changed from %s to %s",
1197 hi->name, old_class->name, new_class->name);
1199 if (vnm->vlib_main->mc_main)
1201 mc_serialize (vnm->vlib_main->mc_main,
1202 &vnet_hw_interface_set_class_msg, hw_if_index,
1208 if (old_class->hw_class_change)
1209 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1212 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1215 if (new_class->hw_class_change)
1216 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1219 if (dev_class->hw_class_change)
1220 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1226 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1229 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1230 /* redistribute */ 1);
1234 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1239 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1240 vnet_device_class_t *dev_class = vnet_get_device_class
1241 (vnm, hi->dev_class_index);
1245 /* $$$$ fixme someday maybe */
1246 ASSERT (vnm->vlib_main->mc_main == 0);
1248 if (dev_class->rx_redirect_to_node)
1250 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1254 return VNET_API_ERROR_UNIMPLEMENTED;
1258 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1261 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1263 1 /* redistribute */ );
1267 vnet_sw_interface_compare (vnet_main_t * vnm,
1268 uword sw_if_index0, uword sw_if_index1)
1270 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1271 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1272 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1273 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1276 return vec_cmp (h0->name, h1->name);
1277 return (word) h0->hw_instance - (word) h1->hw_instance;
1281 vnet_hw_interface_compare (vnet_main_t * vnm,
1282 uword hw_if_index0, uword hw_if_index1)
1284 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1285 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1288 return vec_cmp (h0->name, h1->name);
1289 return (word) h0->hw_instance - (word) h1->hw_instance;
1293 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1295 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1296 if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
1297 (si->type == VNET_SW_INTERFACE_TYPE_PIPE))
1300 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1301 vnet_hw_interface_class_t *hc =
1302 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1304 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1308 vnet_interface_init (vlib_main_t * vm)
1310 vnet_main_t *vnm = vnet_get_main ();
1311 vnet_interface_main_t *im = &vnm->interface_main;
1312 vlib_buffer_t *b = 0;
1313 vnet_buffer_opaque_t *o = 0;
1314 clib_error_t *error;
1317 * Keep people from shooting themselves in the foot.
1319 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1321 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1323 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1324 #a, sizeof(o->a), sizeof (o->unused));
1325 foreach_buffer_opaque_union_subtype;
1328 return clib_error_return
1329 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1330 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1333 im->sw_if_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
1334 CLIB_CACHE_LINE_BYTES);
1335 im->sw_if_counter_lock[0] = 1; /* should be no need */
1337 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1339 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1340 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1341 foreach_simple_interface_counter_name
1343 vec_validate (im->combined_sw_if_counters,
1344 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1346 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1347 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1348 foreach_combined_interface_counter_name
1350 im->sw_if_counter_lock[0] = 0;
1352 im->device_class_by_name = hash_create_string ( /* size */ 0,
1355 vnet_device_class_t *c;
1357 c = vnm->device_class_registrations;
1361 c->index = vec_len (im->device_classes);
1362 hash_set_mem (im->device_class_by_name, c->name, c->index);
1364 if (c->tx_fn_registrations)
1366 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1369 /* to avoid confusion, please remove ".tx_function" statiement
1370 from VNET_DEVICE_CLASS() if using function candidates */
1371 ASSERT (c->tx_function == 0);
1375 if (fnr->priority > priority)
1377 priority = fnr->priority;
1378 c->tx_function = fnr->function;
1380 fnr = fnr->next_registration;
1384 vec_add1 (im->device_classes, c[0]);
1385 c = c->next_class_registration;
1389 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1392 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1395 vnet_hw_interface_class_t *c;
1397 c = vnm->hw_interface_class_registrations;
1401 c->index = vec_len (im->hw_interface_classes);
1402 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1404 if (NULL == c->build_rewrite)
1405 c->build_rewrite = default_build_rewrite;
1406 if (NULL == c->update_adjacency)
1407 c->update_adjacency = default_update_adjacency;
1409 vec_add1 (im->hw_interface_classes, c[0]);
1410 c = c->next_class_registration;
1414 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1417 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1419 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1420 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1427 VLIB_INIT_FUNCTION (vnet_interface_init);
1429 /* Kludge to renumber interface names [only!] */
1431 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1434 vnet_main_t *vnm = vnet_get_main ();
1435 vnet_interface_main_t *im = &vnm->interface_main;
1436 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1438 vnet_device_class_t *dev_class = vnet_get_device_class
1439 (vnm, hi->dev_class_index);
1441 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1442 return VNET_API_ERROR_UNIMPLEMENTED;
1444 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1449 hash_unset_mem (im->hw_interface_by_name, hi->name);
1450 vec_free (hi->name);
1451 /* Use the mapping we set up to call it Ishmael */
1452 hi->name = format (0, "%U", dev_class->format_device_name,
1455 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1460 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1462 vnet_interface_main_t *im = &vnm->interface_main;
1463 vlib_main_t *vm = vnm->vlib_main;
1464 vnet_hw_interface_t *hw;
1466 clib_error_t *error = 0;
1468 hw = vnet_get_hw_interface (vnm, hw_if_index);
1471 return clib_error_return (0,
1472 "unable to find hw interface for index %u",
1476 old_name = hw->name;
1478 /* set new hw->name */
1479 hw->name = format (0, "%s", new_name);
1481 /* remove the old name to hw_if_index mapping and install the new one */
1482 hash_unset_mem (im->hw_interface_by_name, old_name);
1483 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1485 /* rename tx/output nodes */
1486 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1487 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1489 /* free the old name vector */
1490 vec_free (old_name);
1495 static clib_error_t *
1496 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1500 clib_error_t *error = 0;
1501 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1505 u8 *old_address = vec_dup (hi->hw_address);
1506 vnet_device_class_t *dev_class =
1507 vnet_get_device_class (vnm, hi->dev_class_index);
1508 if (dev_class->mac_addr_change_function)
1511 dev_class->mac_addr_change_function (hi, old_address,
1516 vnet_hw_interface_class_t *hw_class;
1518 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1520 if (NULL != hw_class->mac_addr_change_function)
1521 hw_class->mac_addr_change_function (hi, old_address, mac_address);
1526 clib_error_return (0,
1527 "MAC Address Change is not supported on this interface");
1529 vec_free (old_address);
1534 clib_error_return (0,
1535 "mac address change is not supported for interface index %u",
1542 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1545 return vnet_hw_interface_change_mac_address_helper
1546 (vnm, hw_if_index, mac_address);
1549 /* update the unnumbered state of an interface*/
1551 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1552 u32 ip_sw_if_index, u8 enable)
1554 vnet_main_t *vnm = vnet_get_main ();
1555 vnet_sw_interface_t *si;
1558 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1559 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1563 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1564 si->unnumbered_sw_if_index = ip_sw_if_index;
1566 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1567 [unnumbered_sw_if_index] =
1569 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1571 lookup_main.if_address_pool_index_by_sw_if_index
1572 [unnumbered_sw_if_index] =
1574 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1578 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1579 si->unnumbered_sw_if_index = (u32) ~ 0;
1581 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1582 [unnumbered_sw_if_index] = ~0;
1583 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1584 [unnumbered_sw_if_index] = ~0;
1587 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1589 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1590 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1594 vnet_l3_packet_type_t
1595 vnet_link_to_l3_proto (vnet_link_t link)
1600 return (VNET_L3_PACKET_TYPE_IP4);
1602 return (VNET_L3_PACKET_TYPE_IP6);
1603 case VNET_LINK_MPLS:
1604 return (VNET_L3_PACKET_TYPE_MPLS);
1606 return (VNET_L3_PACKET_TYPE_ARP);
1607 case VNET_LINK_ETHERNET:
1617 vnet_link_to_mtu (vnet_link_t link)
1622 return (VNET_MTU_IP4);
1624 return (VNET_MTU_IP6);
1625 case VNET_LINK_MPLS:
1626 return (VNET_MTU_MPLS);
1628 return (VNET_MTU_L3);
1633 default_build_rewrite (vnet_main_t * vnm,
1635 vnet_link_t link_type, const void *dst_address)
1641 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1643 ip_adjacency_t *adj;
1647 switch (adj->lookup_next_index)
1649 case IP_LOOKUP_NEXT_GLEAN:
1650 adj_glean_update_rewrite (ai);
1652 case IP_LOOKUP_NEXT_ARP:
1653 case IP_LOOKUP_NEXT_BCAST:
1655 * default rewirte in neighbour adj
1657 adj_nbr_update_rewrite
1659 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1660 vnet_build_rewrite_for_sw_interface (vnm,
1662 adj_get_link_type (ai), NULL));
1664 case IP_LOOKUP_NEXT_MCAST:
1666 * mcast traffic also uses default rewrite string with no mcast
1667 * switch time updates.
1669 adj_mcast_update_rewrite
1671 vnet_build_rewrite_for_sw_interface (vnm,
1673 adj_get_link_type (ai),
1676 case IP_LOOKUP_NEXT_DROP:
1677 case IP_LOOKUP_NEXT_PUNT:
1678 case IP_LOOKUP_NEXT_LOCAL:
1679 case IP_LOOKUP_NEXT_REWRITE:
1680 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1681 case IP_LOOKUP_NEXT_MIDCHAIN:
1682 case IP_LOOKUP_NEXT_ICMP_ERROR:
1683 case IP_LOOKUP_N_NEXT:
1689 int collect_detailed_interface_stats_flag = 0;
1692 collect_detailed_interface_stats_flag_set (void)
1694 collect_detailed_interface_stats_flag = 1;
1698 collect_detailed_interface_stats_flag_clear (void)
1700 collect_detailed_interface_stats_flag = 0;
1703 static clib_error_t *
1704 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1705 unformat_input_t * input,
1706 vlib_cli_command_t * cmd)
1708 unformat_input_t _line_input, *line_input = &_line_input;
1709 clib_error_t *error = NULL;
1711 /* Get a line of input. */
1712 if (!unformat_user (input, unformat_line_input, line_input))
1713 return clib_error_return (0, "expected enable | disable");
1715 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1717 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1718 collect_detailed_interface_stats_flag_set ();
1719 else if (unformat (line_input, "disable")
1720 || unformat (line_input, "off"))
1721 collect_detailed_interface_stats_flag_clear ();
1724 error = clib_error_return (0, "unknown input `%U'",
1725 format_unformat_error, line_input);
1731 unformat_free (line_input);
1736 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1737 .path = "interface collect detailed-stats",
1738 .short_help = "interface collect detailed-stats <enable|disable>",
1739 .function = collect_detailed_interface_stats_cli,
1744 * fd.io coding-style-patch-verification: ON
1747 * eval: (c-set-style "gnu")