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 unserialize_vnet_hw_interface_set_flags (serialize_main_t * m, va_list * va)
128 CLIB_UNUSED (mc_main_t * mc) = va_arg (*va, mc_main_t *);
129 vnet_sw_hw_interface_state_t s;
131 unserialize (m, unserialize_vec_vnet_sw_hw_interface_state, &s, 1);
133 vnet_hw_interface_set_flags_helper
134 (vnet_get_main (), s.sw_hw_if_index, s.flags,
135 /* helper_flags no redistribution */ 0);
138 MC_SERIALIZE_MSG (vnet_sw_interface_set_flags_msg, static) =
140 .name = "vnet_sw_interface_set_flags",.serialize =
141 serialize_vnet_sw_hw_interface_set_flags,.unserialize =
142 unserialize_vnet_sw_interface_set_flags,};
144 MC_SERIALIZE_MSG (vnet_hw_interface_set_flags_msg, static) =
146 .name = "vnet_hw_interface_set_flags",.serialize =
147 serialize_vnet_sw_hw_interface_set_flags,.unserialize =
148 unserialize_vnet_hw_interface_set_flags,};
151 serialize_vnet_interface_state (serialize_main_t * m, va_list * va)
153 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
154 vnet_sw_hw_interface_state_t *sts = 0, *st;
155 vnet_sw_interface_t *sif;
156 vnet_hw_interface_t *hif;
157 vnet_interface_main_t *im = &vnm->interface_main;
159 /* Serialize hardware interface classes since they may have changed.
160 Must do this before sending up/down flags. */
162 pool_foreach (hif, im->hw_interfaces, ({
163 vnet_hw_interface_class_t * hw_class = vnet_get_hw_interface_class (vnm, hif->hw_class_index);
164 serialize_cstring (m, hw_class->name);
168 /* Send sw/hw interface state when non-zero. */
170 pool_foreach (sif, im->sw_interfaces, ({
173 vec_add2 (sts, st, 1);
174 st->sw_hw_if_index = sif->sw_if_index;
175 st->flags = sif->flags;
180 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
186 pool_foreach (hif, im->hw_interfaces, ({
189 vec_add2 (sts, st, 1);
190 st->sw_hw_if_index = hif->hw_if_index;
191 st->flags = hif->flags;
196 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
202 unserialize_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;
207 /* First set interface hardware class. */
209 vnet_interface_main_t *im = &vnm->interface_main;
210 vnet_hw_interface_t *hif;
216 pool_foreach (hif, im->hw_interfaces, ({
217 unserialize_cstring (m, &class_name);
218 p = hash_get_mem (im->hw_interface_class_by_name, class_name);
220 error = vnet_hw_interface_set_class_helper (vnm, hif->hw_if_index, p[0], /* redistribute */ 0);
222 clib_error_report (error);
223 vec_free (class_name);
228 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
229 vec_foreach (st, sts)
230 vnet_sw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
231 /* no distribute */ 0);
234 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
235 vec_foreach (st, sts)
236 vnet_hw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
237 /* no distribute */ 0);
241 static clib_error_t *
242 call_elf_section_interface_callbacks (vnet_main_t * vnm, u32 if_index,
244 _vnet_interface_function_list_elt_t **
247 _vnet_interface_function_list_elt_t *elt;
248 vnet_interface_function_priority_t prio;
249 clib_error_t *error = 0;
251 for (prio = VNET_ITF_FUNC_PRIORITY_LOW;
252 prio <= VNET_ITF_FUNC_PRIORITY_HIGH; prio++)
258 error = elt->fp (vnm, if_index, flags);
261 elt = elt->next_interface_function;
267 static clib_error_t *
268 call_hw_interface_add_del_callbacks (vnet_main_t * vnm, u32 hw_if_index,
271 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
272 vnet_hw_interface_class_t *hw_class =
273 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
274 vnet_device_class_t *dev_class =
275 vnet_get_device_class (vnm, hi->dev_class_index);
276 clib_error_t *error = 0;
278 if (hw_class->interface_add_del_function
280 hw_class->interface_add_del_function (vnm, hw_if_index, is_create)))
283 if (dev_class->interface_add_del_function
285 dev_class->interface_add_del_function (vnm, hw_if_index,
289 error = call_elf_section_interface_callbacks
290 (vnm, hw_if_index, is_create, vnm->hw_interface_add_del_functions);
295 static clib_error_t *
296 call_sw_interface_add_del_callbacks (vnet_main_t * vnm, u32 sw_if_index,
299 return call_elf_section_interface_callbacks
300 (vnm, sw_if_index, is_create, vnm->sw_interface_add_del_functions);
303 #define VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE (1 << 0)
304 #define VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE (1 << 1)
306 static clib_error_t *
307 vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
308 u32 flags, u32 helper_flags)
310 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
311 vnet_hw_interface_class_t *hw_class =
312 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
313 vnet_device_class_t *dev_class =
314 vnet_get_device_class (vnm, hi->dev_class_index);
315 vlib_main_t *vm = vnm->vlib_main;
317 clib_error_t *error = 0;
319 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
322 (VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK |
323 VNET_HW_INTERFACE_FLAG_SPEED_MASK);
326 /* Call hardware interface add/del callbacks. */
328 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
330 /* Already in the desired state? */
331 if (!is_create && (hi->flags & mask) == flags)
334 /* Some interface classes do not redistribute (e.g. are local). */
335 if (!dev_class->redistribute)
336 helper_flags &= ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
339 && (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE))
341 vnet_sw_hw_interface_state_t s;
342 s.sw_hw_if_index = hw_if_index;
344 mc_serialize (vm->mc_main, &vnet_hw_interface_set_flags_msg, &s);
347 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
348 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
350 /* Do hardware class (e.g. ethernet). */
351 if (hw_class->link_up_down_function
352 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
356 error = call_elf_section_interface_callbacks
357 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
370 static clib_error_t *
371 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
372 u32 flags, u32 helper_flags)
374 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
375 vlib_main_t *vm = vnm->vlib_main;
377 clib_error_t *error = 0;
379 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
382 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
388 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
392 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
394 /* Notify everyone when the interface is created as admin up */
395 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
398 sw_interface_admin_up_down_functions);
405 vnet_sw_interface_t *si_sup = si;
407 /* Check that super interface is in correct state. */
408 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
410 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
412 /* Check to see if we're bringing down the soft interface and if it's parent is up */
413 if ((flags != (si_sup->flags & mask)) &&
415 && ((si_sup->flags & mask) ==
416 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
418 error = clib_error_return (0, "super-interface %U must be %U",
419 format_vnet_sw_interface_name, vnm,
421 format_vnet_sw_interface_flags,
427 /* Donot change state for slave link of bonded interfaces */
428 if (si->flags & VNET_SW_INTERFACE_FLAG_BOND_SLAVE)
430 error = clib_error_return
431 (0, "not allowed as %U belong to a BondEthernet interface",
432 format_vnet_sw_interface_name, vnm, si);
436 /* Already in the desired state? */
437 if ((si->flags & mask) == flags)
440 /* Sub-interfaces of hardware interfaces that do no redistribute,
441 do not redistribute themselves. */
442 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
444 vnet_hw_interface_t *hi =
445 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
446 vnet_device_class_t *dev_class =
447 vnet_get_device_class (vnm, hi->dev_class_index);
448 if (!dev_class->redistribute)
450 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
455 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE))
457 vnet_sw_hw_interface_state_t s;
458 s.sw_hw_if_index = sw_if_index;
460 mc_serialize (vm->mc_main, &vnet_sw_interface_set_flags_msg, &s);
463 /* set the flags now before invoking the registered clients
464 * so that the state they query is consistent with the state here notified */
465 old_flags = si->flags;
468 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
469 error = call_elf_section_interface_callbacks
470 (vnm, sw_if_index, flags,
471 vnm->sw_interface_admin_up_down_functions);
475 /* restore flags on error */
476 si->flags = old_flags;
480 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
482 vnet_hw_interface_t *hi =
483 vnet_get_hw_interface (vnm, si->hw_if_index);
484 vnet_hw_interface_class_t *hw_class =
485 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
486 vnet_device_class_t *dev_class =
487 vnet_get_device_class (vnm, hi->dev_class_index);
489 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
490 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
492 error = clib_error_return (0, "Interface in the error state");
496 /* save the si admin up flag */
497 old_flags = si->flags;
499 /* update si admin up flag in advance if we are going admin down */
500 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
501 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
503 if (dev_class->admin_up_down_function
504 && (error = dev_class->admin_up_down_function (vnm,
508 /* restore si admin up flag to it's original state on errors */
509 si->flags = old_flags;
513 if (hw_class->admin_up_down_function
514 && (error = hw_class->admin_up_down_function (vnm,
518 /* restore si admin up flag to it's original state on errors */
519 si->flags = old_flags;
523 /* Admin down implies link down. */
524 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
525 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
526 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
528 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
541 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
543 return vnet_hw_interface_set_flags_helper
544 (vnm, hw_if_index, flags,
545 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
549 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index, u32 flags)
551 return vnet_sw_interface_set_flags_helper
552 (vnm, sw_if_index, flags,
553 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
557 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
558 vnet_sw_interface_t * template)
560 vnet_interface_main_t *im = &vnm->interface_main;
561 vnet_sw_interface_t *sw;
564 pool_get (im->sw_interfaces, sw);
565 sw_if_index = sw - im->sw_interfaces;
570 sw->sw_if_index = sw_if_index;
571 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
572 sw->sup_sw_if_index = sw->sw_if_index;
574 /* Allocate counters for this interface. */
578 vnet_interface_counter_lock (im);
580 for (i = 0; i < vec_len (im->sw_if_counters); i++)
582 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
583 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
586 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
588 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
590 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
594 vnet_interface_counter_unlock (im);
601 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
605 vnet_hw_interface_t *hi;
606 vnet_device_class_t *dev_class;
608 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
609 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
611 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
612 dev_class->subif_add_del_function)
614 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
615 (struct vnet_sw_interface_t
621 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
622 error = vnet_sw_interface_set_flags_helper
623 (vnm, *sw_if_index, template->flags,
624 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
628 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
629 vnet_interface_main_t *im = &vnm->interface_main;
630 vnet_sw_interface_t *sw =
631 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
632 pool_put (im->sw_interfaces, sw);
639 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
641 vnet_interface_main_t *im = &vnm->interface_main;
642 vnet_sw_interface_t *sw =
643 pool_elt_at_index (im->sw_interfaces, sw_if_index);
645 /* Check if the interface has config and is removed from L2 BD or XConnect */
646 vlib_main_t *vm = vlib_get_main ();
647 l2_input_config_t *config;
648 if (sw_if_index < vec_len (l2input_main.configs))
650 config = vec_elt_at_index (l2input_main.configs, sw_if_index);
651 if (config->xconnect)
652 set_int_l2_mode (vm, vnm, MODE_L3, config->output_sw_if_index, 0, 0,
654 if (config->xconnect || config->bridge)
655 set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0, 0, 0, 0);
657 vnet_clear_sw_interface_tag (vnm, sw_if_index);
659 /* Bring down interface in case it is up. */
661 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
663 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
665 pool_put (im->sw_interfaces, sw);
668 static clib_error_t *
669 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
671 return call_elf_section_interface_callbacks
672 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
676 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
678 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
680 if (si->mtu[VNET_MTU_L3] != mtu)
682 si->mtu[VNET_MTU_L3] = mtu;
683 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
688 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
691 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
692 bool changed = false;
695 for (i = 0; i < VNET_N_MTU; i++)
697 if (si->mtu[i] != mtu[i])
703 /* Notify interested parties */
705 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
709 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
710 u32 sw_if_index, u8 enable)
712 vnet_sw_interface_t *si;
714 si = vnet_get_sw_interface (vnm, sw_if_index);
717 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
719 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
721 ip4_directed_broadcast (sw_if_index, enable);
725 * Reflect a change in hardware MTU on protocol MTUs
728 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
731 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
732 return WALK_CONTINUE;
736 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
738 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
740 if (hi->max_packet_bytes != mtu)
742 hi->max_packet_bytes = mtu;
743 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
744 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
750 setup_tx_node (vlib_main_t * vm,
751 u32 node_index, vnet_device_class_t * dev_class)
753 vlib_node_t *n = vlib_get_node (vm, node_index);
755 n->function = dev_class->tx_function;
756 n->format_trace = dev_class->format_tx_trace;
758 vlib_register_errors (vm, node_index,
759 dev_class->tx_function_n_errors,
760 dev_class->tx_function_error_strings);
764 setup_output_node (vlib_main_t * vm,
765 u32 node_index, vnet_hw_interface_class_t * hw_class)
767 vlib_node_t *n = vlib_get_node (vm, node_index);
768 n->format_buffer = hw_class->format_header;
769 n->unformat_buffer = hw_class->unformat_header;
772 /* Register an interface instance. */
774 vnet_register_interface (vnet_main_t * vnm,
777 u32 hw_class_index, u32 hw_instance)
779 vnet_interface_main_t *im = &vnm->interface_main;
780 vnet_hw_interface_t *hw;
781 vnet_device_class_t *dev_class =
782 vnet_get_device_class (vnm, dev_class_index);
783 vnet_hw_interface_class_t *hw_class =
784 vnet_get_hw_interface_class (vnm, hw_class_index);
785 vlib_main_t *vm = vnm->vlib_main;
786 vnet_feature_config_main_t *fcm;
787 vnet_config_main_t *cm;
789 char *tx_node_name = NULL, *output_node_name = NULL;
791 pool_get (im->hw_interfaces, hw);
792 memset (hw, 0, sizeof (*hw));
794 hw_index = hw - im->hw_interfaces;
795 hw->hw_if_index = hw_index;
796 hw->default_rx_mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
798 if (dev_class->format_device_name)
799 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
800 else if (hw_class->format_interface_name)
801 hw->name = format (0, "%U", hw_class->format_interface_name,
804 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
806 if (!im->hw_interface_by_name)
807 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
808 sizeof (hw->name[0]),
811 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
813 /* Make hardware interface point to software interface. */
815 vnet_sw_interface_t sw = {
816 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
817 .flood_class = VNET_FLOOD_CLASS_NORMAL,
818 .hw_if_index = hw_index
820 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
823 hw->dev_class_index = dev_class_index;
824 hw->dev_instance = dev_instance;
825 hw->hw_class_index = hw_class_index;
826 hw->hw_instance = hw_instance;
828 hw->max_rate_bits_per_sec = 0;
829 hw->min_packet_bytes = 0;
830 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
832 if (dev_class->tx_function == 0)
833 goto no_output_nodes; /* No output/tx nodes to create */
835 tx_node_name = (char *) format (0, "%v-tx", hw->name);
836 output_node_name = (char *) format (0, "%v-output", hw->name);
838 /* If we have previously deleted interface nodes, re-use them. */
839 if (vec_len (im->deleted_hw_interface_nodes) > 0)
841 vnet_hw_interface_nodes_t *hn;
843 vlib_node_runtime_t *nrt;
845 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
847 hw->tx_node_index = hn->tx_node_index;
848 hw->output_node_index = hn->output_node_index;
850 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
851 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
855 vnet_interface_output_runtime_t *rt;
857 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
858 ASSERT (rt->is_deleted == 1);
860 rt->hw_if_index = hw_index;
861 rt->sw_if_index = hw->sw_if_index;
862 rt->dev_instance = hw->dev_instance;
864 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
865 rt->hw_if_index = hw_index;
866 rt->sw_if_index = hw->sw_if_index;
867 rt->dev_instance = hw->dev_instance;
871 /* The new class may differ from the old one.
872 * Functions have to be updated. */
873 node = vlib_get_node (vm, hw->output_node_index);
874 node->function = vnet_interface_output_node_multiarch_select ();
875 node->format_trace = format_vnet_interface_output_trace;
878 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
879 nrt->function = node->function;
883 node = vlib_get_node (vm, hw->tx_node_index);
884 node->function = dev_class->tx_function;
885 node->format_trace = dev_class->format_tx_trace;
888 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
889 nrt->function = node->function;
893 _vec_len (im->deleted_hw_interface_nodes) -= 1;
897 vlib_node_registration_t r;
898 vnet_interface_output_runtime_t rt = {
899 .hw_if_index = hw_index,
900 .sw_if_index = hw->sw_if_index,
901 .dev_instance = hw->dev_instance,
905 memset (&r, 0, sizeof (r));
906 r.type = VLIB_NODE_TYPE_INTERNAL;
907 r.runtime_data = &rt;
908 r.runtime_data_bytes = sizeof (rt);
910 r.vector_size = sizeof (u32);
912 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
913 r.name = tx_node_name;
914 r.function = dev_class->tx_function;
916 hw->tx_node_index = vlib_register_node (vm, &r);
918 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
920 VNET_INTERFACE_TX_NEXT_DROP);
923 r.name = output_node_name;
924 r.function = vnet_interface_output_node_multiarch_select ();
925 r.format_trace = format_vnet_interface_output_trace;
930 "interface is deleted",
933 r.n_errors = ARRAY_LEN (e);
936 hw->output_node_index = vlib_register_node (vm, &r);
938 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
940 VNET_INTERFACE_OUTPUT_NEXT_DROP);
941 vlib_node_add_next_with_slot (vm, hw->output_node_index,
943 VNET_INTERFACE_OUTPUT_NEXT_TX);
945 /* add interface to the list of "output-interface" feature arc start nodes
946 and clone nexts from 1st interface if it exists */
947 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
948 cm = &fcm->config_main;
949 i = vec_len (cm->start_node_indices);
950 vec_validate (cm->start_node_indices, i);
951 cm->start_node_indices[i] = hw->output_node_index;
954 /* copy nexts from 1st interface */
955 vnet_hw_interface_t *first_hw;
956 vlib_node_t *first_node;
958 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
959 first_node = vlib_get_node (vm, first_hw->output_node_index);
961 /* 1st 2 nexts are already added above */
962 for (i = 2; i < vec_len (first_node->next_nodes); i++)
963 vlib_node_add_next_with_slot (vm, hw->output_node_index,
964 first_node->next_nodes[i], i);
968 setup_output_node (vm, hw->output_node_index, hw_class);
969 setup_tx_node (vm, hw->tx_node_index, dev_class);
972 /* Call all up/down callbacks with zero flags when interface is created. */
973 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
974 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
975 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
976 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
977 vec_free (tx_node_name);
978 vec_free (output_node_name);
984 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
986 vnet_interface_main_t *im = &vnm->interface_main;
987 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
988 vlib_main_t *vm = vnm->vlib_main;
989 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
990 hw->dev_class_index);
991 /* If it is up, mark it down. */
993 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
995 /* Call delete callbacks. */
996 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
998 /* Delete any sub-interfaces. */
1000 u32 id, sw_if_index;
1002 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
1004 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1005 u64 sup_and_sub_key =
1006 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
1007 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1008 vnet_delete_sw_interface (vnm, sw_if_index);
1010 hash_free (hw->sub_interface_sw_if_index_by_id);
1014 /* Delete software interface corresponding to hardware interface. */
1015 vnet_delete_sw_interface (vnm, hw->sw_if_index);
1017 if (dev_class->tx_function)
1019 /* Put output/tx nodes into recycle pool */
1020 vnet_hw_interface_nodes_t *dn;
1025 vnet_interface_output_runtime_t *rt =
1026 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
1028 /* Mark node runtime as deleted so output node (if called)
1029 * will drop packets. */
1034 vlib_node_rename (vm, hw->output_node_index,
1035 "interface-%d-output-deleted", hw_if_index);
1036 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
1038 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
1039 dn->tx_node_index = hw->tx_node_index;
1040 dn->output_node_index = hw->output_node_index;
1043 hash_unset_mem (im->hw_interface_by_name, hw->name);
1044 vec_free (hw->name);
1045 vec_free (hw->hw_address);
1046 vec_free (hw->input_node_thread_index_by_queue);
1047 vec_free (hw->dq_runtime_index_by_queue);
1049 pool_put (im->hw_interfaces, hw);
1053 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1055 vnet_hw_sw_interface_walk_t fn, void *ctx)
1057 vnet_hw_interface_t *hi;
1058 u32 id, sw_if_index;
1060 hi = vnet_get_hw_interface (vnm, hw_if_index);
1061 /* the super first, then the sub interfaces */
1062 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1066 hash_foreach (id, sw_if_index,
1067 hi->sub_interface_sw_if_index_by_id,
1069 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1076 vnet_hw_interface_walk (vnet_main_t * vnm,
1077 vnet_hw_interface_walk_t fn, void *ctx)
1079 vnet_interface_main_t *im;
1080 vnet_hw_interface_t *hi;
1082 im = &vnm->interface_main;
1085 pool_foreach (hi, im->hw_interfaces,
1087 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1094 vnet_sw_interface_walk (vnet_main_t * vnm,
1095 vnet_sw_interface_walk_t fn, void *ctx)
1097 vnet_interface_main_t *im;
1098 vnet_sw_interface_t *si;
1100 im = &vnm->interface_main;
1103 pool_foreach (si, im->sw_interfaces,
1105 if (WALK_STOP == fn (vnm, si, ctx))
1112 serialize_vnet_hw_interface_set_class (serialize_main_t * m, va_list * va)
1114 u32 hw_if_index = va_arg (*va, u32);
1115 char *hw_class_name = va_arg (*va, char *);
1116 serialize_integer (m, hw_if_index, sizeof (hw_if_index));
1117 serialize_cstring (m, hw_class_name);
1121 unserialize_vnet_hw_interface_set_class (serialize_main_t * m, va_list * va)
1123 CLIB_UNUSED (mc_main_t * mc) = va_arg (*va, mc_main_t *);
1124 vnet_main_t *vnm = vnet_get_main ();
1126 char *hw_class_name;
1128 clib_error_t *error;
1130 unserialize_integer (m, &hw_if_index, sizeof (hw_if_index));
1131 unserialize_cstring (m, &hw_class_name);
1133 hash_get (vnm->interface_main.hw_interface_class_by_name, hw_class_name);
1135 error = vnet_hw_interface_set_class_helper (vnm, hw_if_index, p[0],
1136 /* redistribute */ 0);
1138 clib_error_report (error);
1141 MC_SERIALIZE_MSG (vnet_hw_interface_set_class_msg, static) =
1143 .name = "vnet_hw_interface_set_class",.serialize =
1144 serialize_vnet_hw_interface_set_class,.unserialize =
1145 unserialize_vnet_hw_interface_set_class,};
1148 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1149 u32 hw_class_index, u32 hw_instance)
1151 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1152 vnet_hw_interface_class_t *hc =
1153 vnet_get_hw_interface_class (vnm, hw_class_index);
1155 hi->hw_class_index = hw_class_index;
1156 hi->hw_instance = hw_instance;
1157 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1160 static clib_error_t *
1161 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1162 u32 hw_class_index, u32 redistribute)
1164 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1165 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1166 vnet_hw_interface_class_t *old_class =
1167 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1168 vnet_hw_interface_class_t *new_class =
1169 vnet_get_hw_interface_class (vnm, hw_class_index);
1170 vnet_device_class_t *dev_class =
1171 vnet_get_device_class (vnm, hi->dev_class_index);
1172 clib_error_t *error = 0;
1174 /* New class equals old class? Nothing to do. */
1175 if (hi->hw_class_index == hw_class_index)
1178 /* No need (and incorrect since admin up flag may be set) to do error checking when
1179 receiving unserialize message. */
1182 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1183 return clib_error_return (0,
1184 "%v must be admin down to change class from %s to %s",
1185 hi->name, old_class->name, new_class->name);
1187 /* Make sure interface supports given class. */
1188 if ((new_class->is_valid_class_for_interface
1189 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1191 || (dev_class->is_valid_class_for_interface
1192 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1194 return clib_error_return (0,
1195 "%v class cannot be changed from %s to %s",
1196 hi->name, old_class->name, new_class->name);
1198 if (vnm->vlib_main->mc_main)
1200 mc_serialize (vnm->vlib_main->mc_main,
1201 &vnet_hw_interface_set_class_msg, hw_if_index,
1207 if (old_class->hw_class_change)
1208 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1211 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1214 if (new_class->hw_class_change)
1215 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1218 if (dev_class->hw_class_change)
1219 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1225 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1228 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1229 /* redistribute */ 1);
1233 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1238 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1239 vnet_device_class_t *dev_class = vnet_get_device_class
1240 (vnm, hi->dev_class_index);
1244 /* $$$$ fixme someday maybe */
1245 ASSERT (vnm->vlib_main->mc_main == 0);
1247 if (dev_class->rx_redirect_to_node)
1249 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1253 return VNET_API_ERROR_UNIMPLEMENTED;
1257 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1260 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1262 1 /* redistribute */ );
1266 vnet_sw_interface_compare (vnet_main_t * vnm,
1267 uword sw_if_index0, uword sw_if_index1)
1269 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1270 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1271 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1272 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1275 return vec_cmp (h0->name, h1->name);
1276 return (word) h0->hw_instance - (word) h1->hw_instance;
1280 vnet_hw_interface_compare (vnet_main_t * vnm,
1281 uword hw_if_index0, uword hw_if_index1)
1283 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1284 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1287 return vec_cmp (h0->name, h1->name);
1288 return (word) h0->hw_instance - (word) h1->hw_instance;
1292 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1294 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1295 if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
1296 (si->type == VNET_SW_INTERFACE_TYPE_PIPE))
1299 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1300 vnet_hw_interface_class_t *hc =
1301 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1303 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1307 vnet_interface_init (vlib_main_t * vm)
1309 vnet_main_t *vnm = vnet_get_main ();
1310 vnet_interface_main_t *im = &vnm->interface_main;
1311 vlib_buffer_t *b = 0;
1312 vnet_buffer_opaque_t *o = 0;
1313 clib_error_t *error;
1316 * Keep people from shooting themselves in the foot.
1318 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1320 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1322 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1323 #a, sizeof(o->a), sizeof (o->unused));
1324 foreach_buffer_opaque_union_subtype;
1327 return clib_error_return
1328 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1329 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1332 im->sw_if_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
1333 CLIB_CACHE_LINE_BYTES);
1334 im->sw_if_counter_lock[0] = 1; /* should be no need */
1336 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1338 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1339 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1340 foreach_simple_interface_counter_name
1342 vec_validate (im->combined_sw_if_counters,
1343 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1345 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1346 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1347 foreach_combined_interface_counter_name
1349 im->sw_if_counter_lock[0] = 0;
1351 im->device_class_by_name = hash_create_string ( /* size */ 0,
1354 vnet_device_class_t *c;
1356 c = vnm->device_class_registrations;
1360 c->index = vec_len (im->device_classes);
1361 hash_set_mem (im->device_class_by_name, c->name, c->index);
1363 if (c->tx_fn_registrations)
1365 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1368 /* to avoid confusion, please remove ".tx_function" statiement
1369 from VNET_DEVICE_CLASS() if using function candidates */
1370 ASSERT (c->tx_function == 0);
1374 if (fnr->priority > priority)
1376 priority = fnr->priority;
1377 c->tx_function = fnr->function;
1379 fnr = fnr->next_registration;
1383 vec_add1 (im->device_classes, c[0]);
1384 c = c->next_class_registration;
1388 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1391 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1394 vnet_hw_interface_class_t *c;
1396 c = vnm->hw_interface_class_registrations;
1400 c->index = vec_len (im->hw_interface_classes);
1401 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1403 if (NULL == c->build_rewrite)
1404 c->build_rewrite = default_build_rewrite;
1405 if (NULL == c->update_adjacency)
1406 c->update_adjacency = default_update_adjacency;
1408 vec_add1 (im->hw_interface_classes, c[0]);
1409 c = c->next_class_registration;
1413 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1416 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1418 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1419 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1426 VLIB_INIT_FUNCTION (vnet_interface_init);
1428 /* Kludge to renumber interface names [only!] */
1430 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1433 vnet_main_t *vnm = vnet_get_main ();
1434 vnet_interface_main_t *im = &vnm->interface_main;
1435 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1437 vnet_device_class_t *dev_class = vnet_get_device_class
1438 (vnm, hi->dev_class_index);
1440 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1441 return VNET_API_ERROR_UNIMPLEMENTED;
1443 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1448 hash_unset_mem (im->hw_interface_by_name, hi->name);
1449 vec_free (hi->name);
1450 /* Use the mapping we set up to call it Ishmael */
1451 hi->name = format (0, "%U", dev_class->format_device_name,
1454 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1459 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1461 vnet_interface_main_t *im = &vnm->interface_main;
1462 vlib_main_t *vm = vnm->vlib_main;
1463 vnet_hw_interface_t *hw;
1465 clib_error_t *error = 0;
1467 hw = vnet_get_hw_interface (vnm, hw_if_index);
1470 return clib_error_return (0,
1471 "unable to find hw interface for index %u",
1475 old_name = hw->name;
1477 /* set new hw->name */
1478 hw->name = format (0, "%s", new_name);
1480 /* remove the old name to hw_if_index mapping and install the new one */
1481 hash_unset_mem (im->hw_interface_by_name, old_name);
1482 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1484 /* rename tx/output nodes */
1485 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1486 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1488 /* free the old name vector */
1489 vec_free (old_name);
1494 static clib_error_t *
1495 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1499 clib_error_t *error = 0;
1500 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1504 vnet_device_class_t *dev_class =
1505 vnet_get_device_class (vnm, hi->dev_class_index);
1506 if (dev_class->mac_addr_change_function)
1509 dev_class->mac_addr_change_function (hi, (char *) mac_address);
1513 vnet_hw_interface_class_t *hw_class;
1515 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1517 if (NULL != hw_class->mac_addr_change_function)
1518 hw_class->mac_addr_change_function (hi, (char *) mac_address);
1523 clib_error_return (0,
1524 "MAC Address Change is not supported on this interface");
1530 clib_error_return (0,
1531 "mac address change is not supported for interface index %u",
1538 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1541 return vnet_hw_interface_change_mac_address_helper
1542 (vnm, hw_if_index, mac_address);
1545 /* update the unnumbered state of an interface*/
1547 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1548 u32 ip_sw_if_index, u8 enable)
1550 vnet_main_t *vnm = vnet_get_main ();
1551 vnet_sw_interface_t *si;
1554 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1555 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1559 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1560 si->unnumbered_sw_if_index = ip_sw_if_index;
1562 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1563 [unnumbered_sw_if_index] =
1565 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1567 lookup_main.if_address_pool_index_by_sw_if_index
1568 [unnumbered_sw_if_index] =
1570 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1574 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1575 si->unnumbered_sw_if_index = (u32) ~ 0;
1577 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1578 [unnumbered_sw_if_index] = ~0;
1579 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1580 [unnumbered_sw_if_index] = ~0;
1583 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1585 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1586 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1590 vnet_l3_packet_type_t
1591 vnet_link_to_l3_proto (vnet_link_t link)
1596 return (VNET_L3_PACKET_TYPE_IP4);
1598 return (VNET_L3_PACKET_TYPE_IP6);
1599 case VNET_LINK_MPLS:
1600 return (VNET_L3_PACKET_TYPE_MPLS);
1602 return (VNET_L3_PACKET_TYPE_ARP);
1603 case VNET_LINK_ETHERNET:
1613 vnet_link_to_mtu (vnet_link_t link)
1618 return (VNET_MTU_IP4);
1620 return (VNET_MTU_IP6);
1621 case VNET_LINK_MPLS:
1622 return (VNET_MTU_MPLS);
1624 return (VNET_MTU_L3);
1629 default_build_rewrite (vnet_main_t * vnm,
1631 vnet_link_t link_type, const void *dst_address)
1637 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1639 ip_adjacency_t *adj;
1643 switch (adj->lookup_next_index)
1645 case IP_LOOKUP_NEXT_GLEAN:
1646 adj_glean_update_rewrite (ai);
1648 case IP_LOOKUP_NEXT_ARP:
1649 case IP_LOOKUP_NEXT_BCAST:
1651 * default rewirte in neighbour adj
1653 adj_nbr_update_rewrite
1655 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1656 vnet_build_rewrite_for_sw_interface (vnm,
1658 adj_get_link_type (ai), NULL));
1660 case IP_LOOKUP_NEXT_MCAST:
1662 * mcast traffic also uses default rewrite string with no mcast
1663 * switch time updates.
1665 adj_mcast_update_rewrite
1667 vnet_build_rewrite_for_sw_interface (vnm,
1669 adj_get_link_type (ai),
1672 case IP_LOOKUP_NEXT_DROP:
1673 case IP_LOOKUP_NEXT_PUNT:
1674 case IP_LOOKUP_NEXT_LOCAL:
1675 case IP_LOOKUP_NEXT_REWRITE:
1676 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1677 case IP_LOOKUP_NEXT_MIDCHAIN:
1678 case IP_LOOKUP_NEXT_ICMP_ERROR:
1679 case IP_LOOKUP_N_NEXT:
1685 int collect_detailed_interface_stats_flag = 0;
1688 collect_detailed_interface_stats_flag_set (void)
1690 collect_detailed_interface_stats_flag = 1;
1694 collect_detailed_interface_stats_flag_clear (void)
1696 collect_detailed_interface_stats_flag = 0;
1699 static clib_error_t *
1700 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1701 unformat_input_t * input,
1702 vlib_cli_command_t * cmd)
1704 unformat_input_t _line_input, *line_input = &_line_input;
1705 clib_error_t *error = NULL;
1707 /* Get a line of input. */
1708 if (!unformat_user (input, unformat_line_input, line_input))
1709 return clib_error_return (0, "expected enable | disable");
1711 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1713 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1714 collect_detailed_interface_stats_flag_set ();
1715 else if (unformat (line_input, "disable")
1716 || unformat (line_input, "off"))
1717 collect_detailed_interface_stats_flag_clear ();
1720 error = clib_error_return (0, "unknown input `%U'",
1721 format_unformat_error, line_input);
1727 unformat_free (line_input);
1732 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1733 .path = "interface collect detailed-stats",
1734 .short_help = "interface collect detailed-stats <enable|disable>",
1735 .function = collect_detailed_interface_stats_cli,
1740 * fd.io coding-style-patch-verification: ON
1743 * eval: (c-set-style "gnu")