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/adj/adj.h>
43 #include <vnet/adj/adj_mcast.h>
44 #include <vnet/ip/ip.h>
45 #include <vnet/interface/rx_queue_funcs.h>
48 VLIB_REGISTER_LOG_CLASS (if_default_log, static) = {
49 .class_name = "interface",
53 #define log_debug(fmt,...) vlib_log_debug(if_default_log.class, fmt, __VA_ARGS__)
54 #define log_err(fmt,...) vlib_log_err(if_default_log.class, fmt, __VA_ARGS__)
56 typedef enum vnet_interface_helper_flags_t_
58 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE = (1 << 0),
59 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE = (1 << 1),
60 } vnet_interface_helper_flags_t;
62 static clib_error_t *vnet_hw_interface_set_flags_helper (vnet_main_t * vnm,
64 vnet_hw_interface_flags_t
66 vnet_interface_helper_flags_t
69 static clib_error_t *vnet_sw_interface_set_flags_helper (vnet_main_t * vnm,
71 vnet_sw_interface_flags_t
73 vnet_interface_helper_flags_t
76 static clib_error_t *vnet_hw_interface_set_class_helper (vnet_main_t * vnm,
83 /* Either sw or hw interface index. */
88 } vnet_sw_hw_interface_state_t;
91 serialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m, va_list * va)
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 serialize_integer (m, s[i].sw_hw_if_index,
100 sizeof (s[i].sw_hw_if_index));
101 serialize_integer (m, s[i].flags, sizeof (s[i].flags));
106 unserialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m,
109 vnet_sw_hw_interface_state_t *s =
110 va_arg (*va, vnet_sw_hw_interface_state_t *);
111 u32 n = va_arg (*va, u32);
113 for (i = 0; i < n; i++)
115 unserialize_integer (m, &s[i].sw_hw_if_index,
116 sizeof (s[i].sw_hw_if_index));
117 unserialize_integer (m, &s[i].flags, sizeof (s[i].flags));
121 static vnet_sw_interface_flags_t
122 vnet_hw_interface_flags_to_sw (vnet_hw_interface_flags_t hwf)
124 vnet_sw_interface_flags_t swf = VNET_SW_INTERFACE_FLAG_NONE;
126 if (hwf & VNET_HW_INTERFACE_FLAG_LINK_UP)
127 swf |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
133 serialize_vnet_interface_state (serialize_main_t * m, va_list * va)
135 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
136 vnet_sw_hw_interface_state_t *sts = 0, *st;
137 vnet_sw_interface_t *sif;
138 vnet_hw_interface_t *hif;
139 vnet_interface_main_t *im = &vnm->interface_main;
141 /* Serialize hardware interface classes since they may have changed.
142 Must do this before sending up/down flags. */
144 pool_foreach (hif, im->hw_interfaces) {
145 vnet_hw_interface_class_t * hw_class = vnet_get_hw_interface_class (vnm, hif->hw_class_index);
146 serialize_cstring (m, hw_class->name);
150 /* Send sw/hw interface state when non-zero. */
152 pool_foreach (sif, im->sw_interfaces) {
155 vec_add2 (sts, st, 1);
156 st->sw_hw_if_index = sif->sw_if_index;
157 st->flags = sif->flags;
162 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
168 pool_foreach (hif, im->hw_interfaces) {
171 vec_add2 (sts, st, 1);
172 st->sw_hw_if_index = hif->hw_if_index;
173 st->flags = vnet_hw_interface_flags_to_sw(hif->flags);
178 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
183 static vnet_hw_interface_flags_t
184 vnet_sw_interface_flags_to_hw (vnet_sw_interface_flags_t swf)
186 vnet_hw_interface_flags_t hwf = VNET_HW_INTERFACE_FLAG_NONE;
188 if (swf & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
189 hwf |= VNET_HW_INTERFACE_FLAG_LINK_UP;
195 unserialize_vnet_interface_state (serialize_main_t * m, va_list * va)
197 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
198 vnet_sw_hw_interface_state_t *sts = 0, *st;
200 /* First set interface hardware class. */
202 vnet_interface_main_t *im = &vnm->interface_main;
203 vnet_hw_interface_t *hif;
209 pool_foreach (hif, im->hw_interfaces) {
210 unserialize_cstring (m, &class_name);
211 p = hash_get_mem (im->hw_interface_class_by_name, class_name);
214 error = vnet_hw_interface_set_class_helper
215 (vnm, hif->hw_if_index, p[0], /* redistribute */ 0);
218 error = clib_error_return (0, "hw class %s AWOL?", class_name);
221 clib_error_report (error);
222 vec_free (class_name);
227 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
228 vec_foreach (st, sts)
229 vnet_sw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
230 /* no distribute */ 0);
233 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
234 vec_foreach (st, sts)
236 vnet_hw_interface_set_flags_helper
237 (vnm, st->sw_hw_if_index, vnet_sw_interface_flags_to_hw (st->flags),
238 /* no distribute */ 0);
243 static clib_error_t *
244 call_elf_section_interface_callbacks (vnet_main_t * vnm, u32 if_index,
246 _vnet_interface_function_list_elt_t **
249 _vnet_interface_function_list_elt_t *elt;
250 vnet_interface_function_priority_t prio;
251 clib_error_t *error = 0;
253 for (prio = VNET_ITF_FUNC_PRIORITY_LOW;
254 prio <= VNET_ITF_FUNC_PRIORITY_HIGH; prio++)
260 error = elt->fp (vnm, if_index, flags);
263 elt = elt->next_interface_function;
269 static clib_error_t *
270 call_hw_interface_add_del_callbacks (vnet_main_t * vnm, u32 hw_if_index,
273 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
274 vnet_hw_interface_class_t *hw_class =
275 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
276 vnet_device_class_t *dev_class =
277 vnet_get_device_class (vnm, hi->dev_class_index);
278 clib_error_t *error = 0;
280 if (hw_class->interface_add_del_function
282 hw_class->interface_add_del_function (vnm, hw_if_index, is_create)))
285 if (dev_class->interface_add_del_function
287 dev_class->interface_add_del_function (vnm, hw_if_index,
291 error = call_elf_section_interface_callbacks
292 (vnm, hw_if_index, is_create, vnm->hw_interface_add_del_functions);
297 static clib_error_t *
298 call_sw_interface_add_del_callbacks (vnet_main_t * vnm, u32 sw_if_index,
301 return call_elf_section_interface_callbacks
302 (vnm, sw_if_index, is_create, vnm->sw_interface_add_del_functions);
305 static clib_error_t *
306 vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
307 vnet_hw_interface_flags_t flags,
308 vnet_interface_helper_flags_t
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);
315 clib_error_t *error = 0;
317 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
320 (VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK);
323 /* Call hardware interface add/del callbacks. */
325 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
327 /* Already in the desired state? */
328 if (!is_create && (hi->flags & mask) == flags)
331 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
332 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
334 /* Do hardware class (e.g. ethernet). */
335 if (hw_class->link_up_down_function
336 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
340 error = call_elf_section_interface_callbacks
341 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
352 log_err ("hw_set_flags_helper: %U", format_clib_error, error);
356 static clib_error_t *
357 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
358 vnet_sw_interface_flags_t flags,
359 vnet_interface_helper_flags_t
362 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
364 clib_error_t *error = 0;
366 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
369 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
375 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
379 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
381 /* Notify everyone when the interface is created as admin up */
382 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
385 sw_interface_admin_up_down_functions);
392 vnet_sw_interface_t *si_sup = si;
394 /* Check that super interface is in correct state. */
395 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
397 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
399 /* Check to see if we're bringing down the soft interface and if it's parent is up */
400 if ((flags != (si_sup->flags & mask)) &&
402 && ((si_sup->flags & mask) ==
403 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
405 error = clib_error_return (0, "super-interface %U must be %U",
406 format_vnet_sw_interface_name, vnm,
408 format_vnet_sw_interface_flags,
414 /* Already in the desired state? */
415 if ((si->flags & mask) == flags)
418 /* Sub-interfaces of hardware interfaces that do no redistribute,
419 do not redistribute themselves. */
420 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
422 vnet_hw_interface_t *hi =
423 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
424 vnet_device_class_t *dev_class =
425 vnet_get_device_class (vnm, hi->dev_class_index);
426 if (!dev_class->redistribute)
428 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
431 /* set the flags now before invoking the registered clients
432 * so that the state they query is consistent with the state here notified */
433 old_flags = si->flags;
436 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
437 error = call_elf_section_interface_callbacks
438 (vnm, sw_if_index, flags,
439 vnm->sw_interface_admin_up_down_functions);
443 /* restore flags on error */
444 si->flags = old_flags;
448 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
450 vnet_hw_interface_t *hi =
451 vnet_get_hw_interface (vnm, si->hw_if_index);
452 vnet_hw_interface_class_t *hw_class =
453 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
454 vnet_device_class_t *dev_class =
455 vnet_get_device_class (vnm, hi->dev_class_index);
457 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
458 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
460 error = clib_error_return (0, "Interface in the error state");
464 /* save the si admin up flag */
465 old_flags = si->flags;
467 /* update si admin up flag in advance if we are going admin down */
468 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
469 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
471 if (dev_class->admin_up_down_function
472 && (error = dev_class->admin_up_down_function (vnm,
476 /* restore si admin up flag to it's original state on errors */
477 si->flags = old_flags;
481 if (hw_class->admin_up_down_function
482 && (error = hw_class->admin_up_down_function (vnm,
486 /* restore si admin up flag to it's original state on errors */
487 si->flags = old_flags;
491 /* Admin down implies link down. */
492 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
493 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
494 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
496 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
498 vnet_hw_if_update_runtime_data (vnm, si->hw_if_index);
507 log_err ("sw_set_flags_helper: %U", format_clib_error, error);
512 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
513 vnet_hw_interface_flags_t flags)
515 log_debug ("hw_set_flags: hw_if_index %u flags 0x%x", hw_if_index, flags);
516 return vnet_hw_interface_set_flags_helper
517 (vnm, hw_if_index, flags,
518 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
522 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
523 vnet_sw_interface_flags_t flags)
525 log_debug ("sw_set_flags: sw_if_index %u flags 0x%x", sw_if_index, flags);
526 return vnet_sw_interface_set_flags_helper
527 (vnm, sw_if_index, flags,
528 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
532 vnet_sw_interface_admin_up (vnet_main_t * vnm, u32 sw_if_index)
534 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
535 log_debug ("sw_admin_up: sw_if_index %u", sw_if_index);
537 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
539 flags |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
540 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
545 vnet_sw_interface_admin_down (vnet_main_t * vnm, u32 sw_if_index)
547 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
548 log_debug ("sw_admin_down: sw_if_index %u", sw_if_index);
550 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
552 flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
553 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
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,
605 vnet_interface_main_t *im = &vnm->interface_main;
607 vnet_hw_interface_t *hi;
608 vnet_device_class_t *dev_class;
610 if (template->sub.eth.flags.two_tags == 1
611 && template->sub.eth.flags.exact_match == 1
612 && (template->sub.eth.flags.inner_vlan_id_any == 1
613 || template->sub.eth.flags.outer_vlan_id_any == 1))
615 char *str = "inner-dot1q any exact-match is unsupported";
616 error = clib_error_return (0, str);
617 log_err ("create_sw_interface: %s", str);
621 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
622 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
624 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
625 dev_class->subif_add_del_function)
627 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
628 (struct vnet_sw_interface_t
634 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
635 error = vnet_sw_interface_set_flags_helper
636 (vnm, *sw_if_index, template->flags,
637 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
641 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
642 log_err ("create_sw_interface: set flags failed\n %U",
643 format_clib_error, error);
644 vnet_sw_interface_t *sw =
645 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
646 pool_put (im->sw_interfaces, sw);
650 vnet_sw_interface_t *sw =
651 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
652 log_debug ("create_sw_interface: interface %U (sw_if_index %u) created",
653 format_vnet_sw_interface_name, vnm, sw, *sw_if_index);
660 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
662 vnet_interface_main_t *im = &vnm->interface_main;
663 vnet_sw_interface_t *sw =
664 pool_elt_at_index (im->sw_interfaces, sw_if_index);
666 log_debug ("delete_sw_interface: sw_if_index %u, name '%U'",
667 sw_if_index, format_vnet_sw_if_index_name, vnm, sw_if_index);
669 /* Check if the interface has config and is removed from L2 BD or XConnect */
670 vnet_clear_sw_interface_tag (vnm, sw_if_index);
672 /* Bring down interface in case it is up. */
674 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
676 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
678 pool_put (im->sw_interfaces, sw);
681 static clib_error_t *
682 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
684 return call_elf_section_interface_callbacks
685 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
689 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
691 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
693 if (si->mtu[VNET_MTU_L3] != mtu)
695 si->mtu[VNET_MTU_L3] = mtu;
696 log_debug ("set_mtu: interface %U, new mtu %u",
697 format_vnet_sw_if_index_name, vnm, sw_if_index, mtu);
699 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
704 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
707 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
708 bool changed = false;
711 for (i = 0; i < VNET_N_MTU; i++)
713 if (si->mtu[i] != mtu[i])
719 /* Notify interested parties */
722 log_debug ("set_protocol_mtu: interface %U l3 %u ip4 %u ip6 %u mpls %u",
723 format_vnet_sw_if_index_name, vnm, sw_if_index,
724 mtu[VNET_MTU_L3], mtu[VNET_MTU_IP4], mtu[VNET_MTU_IP6],
726 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
731 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
732 u32 sw_if_index, u8 enable)
734 vnet_sw_interface_t *si;
736 si = vnet_get_sw_interface (vnm, sw_if_index);
739 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
741 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
743 ip4_directed_broadcast (sw_if_index, enable);
747 * Reflect a change in hardware MTU on protocol MTUs
750 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
753 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
754 return WALK_CONTINUE;
758 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
760 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
762 if (hi->max_packet_bytes != mtu)
764 hi->max_packet_bytes = mtu;
765 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
766 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
772 setup_tx_node (vlib_main_t * vm,
773 u32 node_index, vnet_device_class_t * dev_class)
775 vlib_node_t *n = vlib_get_node (vm, node_index);
777 n->function = dev_class->tx_function;
778 n->format_trace = dev_class->format_tx_trace;
780 /// XXX: Update this to use counter structure
781 vlib_register_errors (vm, node_index,
782 dev_class->tx_function_n_errors,
783 dev_class->tx_function_error_strings, 0);
787 setup_output_node (vlib_main_t * vm,
788 u32 node_index, vnet_hw_interface_class_t * hw_class)
790 vlib_node_t *n = vlib_get_node (vm, node_index);
791 n->format_buffer = hw_class->format_header;
792 n->unformat_buffer = hw_class->unformat_header;
795 /* Register an interface instance. */
797 vnet_register_interface (vnet_main_t * vnm,
800 u32 hw_class_index, u32 hw_instance)
802 vnet_interface_main_t *im = &vnm->interface_main;
803 vnet_hw_interface_t *hw;
804 vnet_device_class_t *dev_class =
805 vnet_get_device_class (vnm, dev_class_index);
806 vnet_hw_interface_class_t *hw_class =
807 vnet_get_hw_interface_class (vnm, hw_class_index);
808 vlib_main_t *vm = vnm->vlib_main;
809 vnet_feature_config_main_t *fcm;
810 vnet_config_main_t *cm;
812 char *tx_node_name = NULL, *output_node_name = NULL;
813 vlib_node_t *if_out_node =
814 vlib_get_node (vm, vnet_interface_output_node.index);
816 pool_get (im->hw_interfaces, hw);
817 clib_memset (hw, 0, sizeof (*hw));
818 hw->trace_classify_table_index = ~0;
820 hw_index = hw - im->hw_interfaces;
821 hw->hw_if_index = hw_index;
822 hw->default_rx_mode = VNET_HW_IF_RX_MODE_POLLING;
824 if (dev_class->format_device_name)
825 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
826 else if (hw_class->format_interface_name)
827 hw->name = format (0, "%U", hw_class->format_interface_name,
830 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
832 if (!im->hw_interface_by_name)
833 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
834 sizeof (hw->name[0]),
837 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
839 /* Make hardware interface point to software interface. */
841 vnet_sw_interface_t sw = {
842 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
843 .flood_class = VNET_FLOOD_CLASS_NORMAL,
844 .hw_if_index = hw_index
846 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
849 hw->dev_class_index = dev_class_index;
850 hw->dev_instance = dev_instance;
851 hw->hw_class_index = hw_class_index;
852 hw->hw_instance = hw_instance;
854 hw->max_rate_bits_per_sec = 0;
855 hw->min_packet_bytes = 0;
856 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
858 if (dev_class->tx_function == 0)
859 goto no_output_nodes; /* No output/tx nodes to create */
861 tx_node_name = (char *) format (0, "%v-tx", hw->name);
862 output_node_name = (char *) format (0, "%v-output", hw->name);
864 /* If we have previously deleted interface nodes, re-use them. */
865 if (vec_len (im->deleted_hw_interface_nodes) > 0)
867 vnet_hw_interface_nodes_t *hn;
869 vlib_node_runtime_t *nrt;
871 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
873 hw->tx_node_index = hn->tx_node_index;
874 hw->output_node_index = hn->output_node_index;
876 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
877 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
881 vnet_interface_output_runtime_t *rt;
883 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
884 ASSERT (rt->is_deleted == 1);
886 rt->hw_if_index = hw_index;
887 rt->sw_if_index = hw->sw_if_index;
888 rt->dev_instance = hw->dev_instance;
890 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
891 rt->hw_if_index = hw_index;
892 rt->sw_if_index = hw->sw_if_index;
893 rt->dev_instance = hw->dev_instance;
897 /* The new class may differ from the old one.
898 * Functions have to be updated. */
899 node = vlib_get_node (vm, hw->output_node_index);
900 node->format_trace = format_vnet_interface_output_trace;
901 node->node_fn_registrations = if_out_node->node_fn_registrations;
902 node->function = if_out_node->function;
906 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
907 nrt->function = node->function;
908 vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0,
909 VLIB_NODE_RUNTIME_PERF_RESET);
913 node = vlib_get_node (vm, hw->tx_node_index);
914 node->function = dev_class->tx_function;
915 node->format_trace = dev_class->format_tx_trace;
918 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
919 nrt->function = node->function;
920 vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0,
921 VLIB_NODE_RUNTIME_PERF_RESET);
925 _vec_len (im->deleted_hw_interface_nodes) -= 1;
929 vlib_node_registration_t r;
930 vnet_interface_output_runtime_t rt = {
931 .hw_if_index = hw_index,
932 .sw_if_index = hw->sw_if_index,
933 .dev_instance = hw->dev_instance,
937 clib_memset (&r, 0, sizeof (r));
938 r.type = VLIB_NODE_TYPE_INTERNAL;
939 r.runtime_data = &rt;
940 r.runtime_data_bytes = sizeof (rt);
942 r.vector_size = sizeof (u32);
944 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
945 r.name = tx_node_name;
946 if (dev_class->tx_fn_registrations)
949 r.node_fn_registrations = dev_class->tx_fn_registrations;
952 r.function = dev_class->tx_function;
954 hw->tx_node_index = vlib_register_node (vm, &r);
956 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
958 VNET_INTERFACE_TX_NEXT_DROP);
961 r.name = output_node_name;
962 r.format_trace = format_vnet_interface_output_trace;
963 if (if_out_node->node_fn_registrations)
966 r.node_fn_registrations = if_out_node->node_fn_registrations;
969 r.function = if_out_node->function;
974 "interface is deleted",
975 "no buffers to segment GSO",
978 r.n_errors = ARRAY_LEN (e);
981 hw->output_node_index = vlib_register_node (vm, &r);
983 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
985 VNET_INTERFACE_OUTPUT_NEXT_DROP);
986 vlib_node_add_next_with_slot (vm, hw->output_node_index,
988 VNET_INTERFACE_OUTPUT_NEXT_TX);
990 /* add interface to the list of "output-interface" feature arc start nodes
991 and clone nexts from 1st interface if it exists */
992 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
993 cm = &fcm->config_main;
994 i = vec_len (cm->start_node_indices);
995 vec_validate (cm->start_node_indices, i);
996 cm->start_node_indices[i] = hw->output_node_index;
999 /* copy nexts from 1st interface */
1000 vnet_hw_interface_t *first_hw;
1001 vlib_node_t *first_node;
1003 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
1004 first_node = vlib_get_node (vm, first_hw->output_node_index);
1006 /* 1st 2 nexts are already added above */
1007 for (i = 2; i < vec_len (first_node->next_nodes); i++)
1008 vlib_node_add_next_with_slot (vm, hw->output_node_index,
1009 first_node->next_nodes[i], i);
1013 setup_output_node (vm, hw->output_node_index, hw_class);
1014 setup_tx_node (vm, hw->tx_node_index, dev_class);
1017 /* Call all up/down callbacks with zero flags when interface is created. */
1018 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
1019 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
1020 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
1021 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
1022 vec_free (tx_node_name);
1023 vec_free (output_node_name);
1029 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
1031 vnet_interface_main_t *im = &vnm->interface_main;
1032 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
1033 vlib_main_t *vm = vnm->vlib_main;
1034 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
1035 hw->dev_class_index);
1036 /* If it is up, mark it down. */
1038 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
1040 /* Call delete callbacks. */
1041 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
1043 /* delete rx queues */
1044 vnet_hw_if_unregister_all_rx_queues (vnm, hw_if_index);
1045 vnet_hw_if_update_runtime_data (vnm, hw_if_index);
1047 /* Delete any sub-interfaces. */
1049 u32 id, sw_if_index;
1051 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
1053 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1054 u64 sup_and_sub_key =
1055 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
1056 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1057 vnet_delete_sw_interface (vnm, sw_if_index);
1059 hash_free (hw->sub_interface_sw_if_index_by_id);
1063 /* Delete software interface corresponding to hardware interface. */
1064 vnet_delete_sw_interface (vnm, hw->sw_if_index);
1066 if (dev_class->tx_function)
1068 /* Put output/tx nodes into recycle pool */
1069 vnet_hw_interface_nodes_t *dn;
1074 vnet_interface_output_runtime_t *rt =
1075 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
1077 /* Mark node runtime as deleted so output node (if called)
1078 * will drop packets. */
1083 vlib_node_rename (vm, hw->output_node_index,
1084 "interface-%d-output-deleted", hw_if_index);
1085 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
1087 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
1088 dn->tx_node_index = hw->tx_node_index;
1089 dn->output_node_index = hw->output_node_index;
1092 hash_unset_mem (im->hw_interface_by_name, hw->name);
1093 vec_free (hw->name);
1094 vec_free (hw->hw_address);
1095 vec_free (hw->input_node_thread_index_by_queue);
1096 vec_free (hw->rx_queue_indices);
1097 pool_put (im->hw_interfaces, hw);
1101 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1103 vnet_hw_sw_interface_walk_t fn, void *ctx)
1105 vnet_hw_interface_t *hi;
1106 u32 id, sw_if_index;
1108 hi = vnet_get_hw_interface (vnm, hw_if_index);
1109 /* the super first, then the sub interfaces */
1110 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1114 hash_foreach (id, sw_if_index,
1115 hi->sub_interface_sw_if_index_by_id,
1117 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1124 vnet_hw_interface_walk (vnet_main_t * vnm,
1125 vnet_hw_interface_walk_t fn, void *ctx)
1127 vnet_interface_main_t *im;
1128 vnet_hw_interface_t *hi;
1130 im = &vnm->interface_main;
1133 pool_foreach (hi, im->hw_interfaces)
1135 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1142 vnet_sw_interface_walk (vnet_main_t * vnm,
1143 vnet_sw_interface_walk_t fn, void *ctx)
1145 vnet_interface_main_t *im;
1146 vnet_sw_interface_t *si;
1148 im = &vnm->interface_main;
1151 pool_foreach (si, im->sw_interfaces)
1153 if (WALK_STOP == fn (vnm, si, ctx))
1160 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1161 u32 hw_class_index, u32 hw_instance)
1163 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1164 vnet_hw_interface_class_t *hc =
1165 vnet_get_hw_interface_class (vnm, hw_class_index);
1167 hi->hw_class_index = hw_class_index;
1168 hi->hw_instance = hw_instance;
1169 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1172 static clib_error_t *
1173 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1174 u32 hw_class_index, u32 redistribute)
1176 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1177 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1178 vnet_hw_interface_class_t *old_class =
1179 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1180 vnet_hw_interface_class_t *new_class =
1181 vnet_get_hw_interface_class (vnm, hw_class_index);
1182 vnet_device_class_t *dev_class =
1183 vnet_get_device_class (vnm, hi->dev_class_index);
1184 clib_error_t *error = 0;
1186 /* New class equals old class? Nothing to do. */
1187 if (hi->hw_class_index == hw_class_index)
1190 /* No need (and incorrect since admin up flag may be set) to do error checking when
1191 receiving unserialize message. */
1194 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1195 return clib_error_return (0,
1196 "%v must be admin down to change class from %s to %s",
1197 hi->name, old_class->name, new_class->name);
1199 /* Make sure interface supports given class. */
1200 if ((new_class->is_valid_class_for_interface
1201 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1203 || (dev_class->is_valid_class_for_interface
1204 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1206 return clib_error_return (0,
1207 "%v class cannot be changed from %s to %s",
1208 hi->name, old_class->name, new_class->name);
1212 if (old_class->hw_class_change)
1213 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1216 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1219 if (new_class->hw_class_change)
1220 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1223 if (dev_class->hw_class_change)
1224 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1230 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1233 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1234 /* redistribute */ 1);
1238 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1243 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1244 vnet_device_class_t *dev_class = vnet_get_device_class
1245 (vnm, hi->dev_class_index);
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_sw_interface_is_nbma (vnet_main_t * vnm, u32 sw_if_index)
1309 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1310 vnet_hw_interface_class_t *hc =
1311 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1313 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_NBMA);
1317 vnet_interface_init (vlib_main_t * vm)
1319 vnet_main_t *vnm = vnet_get_main ();
1320 vnet_interface_main_t *im = &vnm->interface_main;
1321 vlib_buffer_t *b = 0;
1322 vnet_buffer_opaque_t *o = 0;
1323 clib_error_t *error;
1326 * Keep people from shooting themselves in the foot.
1328 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1330 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1332 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1333 #a, sizeof(o->a), sizeof (o->unused));
1334 foreach_buffer_opaque_union_subtype;
1337 return clib_error_return
1338 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1339 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1342 clib_spinlock_init (&im->sw_if_counter_lock);
1343 clib_spinlock_lock (&im->sw_if_counter_lock); /* should be no need */
1345 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1347 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1348 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1349 foreach_simple_interface_counter_name
1351 vec_validate (im->combined_sw_if_counters,
1352 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1354 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1355 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1356 foreach_combined_interface_counter_name
1358 clib_spinlock_unlock (&im->sw_if_counter_lock);
1360 im->device_class_by_name = hash_create_string ( /* size */ 0,
1363 vnet_device_class_t *c;
1365 c = vnm->device_class_registrations;
1369 c->index = vec_len (im->device_classes);
1370 hash_set_mem (im->device_class_by_name, c->name, c->index);
1372 if (c->tx_fn_registrations)
1374 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1377 /* to avoid confusion, please remove ".tx_function" statement
1378 from VNET_DEVICE_CLASS() if using function candidates */
1379 ASSERT (c->tx_function == 0);
1383 if (fnr->priority > priority)
1385 priority = fnr->priority;
1386 c->tx_function = fnr->function;
1388 fnr = fnr->next_registration;
1392 vec_add1 (im->device_classes, c[0]);
1393 c = c->next_class_registration;
1397 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1400 im->rxq_index_by_hw_if_index_and_queue_id =
1401 hash_create_mem (0, sizeof (u64), sizeof (u32));
1402 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1405 vnet_hw_interface_class_t *c;
1407 c = vnm->hw_interface_class_registrations;
1411 c->index = vec_len (im->hw_interface_classes);
1412 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1414 if (NULL == c->build_rewrite)
1415 c->build_rewrite = default_build_rewrite;
1416 if (NULL == c->update_adjacency)
1417 c->update_adjacency = default_update_adjacency;
1419 vec_add1 (im->hw_interface_classes, c[0]);
1420 c = c->next_class_registration;
1424 /* init per-thread data */
1425 vec_validate_aligned (im->per_thread_data, vlib_num_workers (),
1426 CLIB_CACHE_LINE_BYTES);
1428 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1431 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1433 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1434 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1441 VLIB_INIT_FUNCTION (vnet_interface_init);
1443 /* Kludge to renumber interface names [only!] */
1445 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1448 vnet_main_t *vnm = vnet_get_main ();
1449 vnet_interface_main_t *im = &vnm->interface_main;
1450 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1452 vnet_device_class_t *dev_class = vnet_get_device_class
1453 (vnm, hi->dev_class_index);
1455 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1456 return VNET_API_ERROR_UNIMPLEMENTED;
1458 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1463 hash_unset_mem (im->hw_interface_by_name, hi->name);
1464 vec_free (hi->name);
1465 /* Use the mapping we set up to call it Ishmael */
1466 hi->name = format (0, "%U", dev_class->format_device_name,
1469 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1474 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1476 vnet_interface_main_t *im = &vnm->interface_main;
1477 vlib_main_t *vm = vnm->vlib_main;
1478 vnet_hw_interface_t *hw;
1480 clib_error_t *error = 0;
1482 hw = vnet_get_hw_interface (vnm, hw_if_index);
1485 return clib_error_return (0,
1486 "unable to find hw interface for index %u",
1490 old_name = hw->name;
1492 /* set new hw->name */
1493 hw->name = format (0, "%s", new_name);
1495 /* remove the old name to hw_if_index mapping and install the new one */
1496 hash_unset_mem (im->hw_interface_by_name, old_name);
1497 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1499 /* rename tx/output nodes */
1500 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1501 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1503 /* free the old name vector */
1504 vec_free (old_name);
1510 vnet_hw_interface_add_del_mac_address (vnet_main_t * vnm,
1512 const u8 * mac_address, u8 is_add)
1514 clib_error_t *error = 0;
1515 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1517 vnet_device_class_t *dev_class =
1518 vnet_get_device_class (vnm, hi->dev_class_index);
1520 if (!hi->hw_address)
1524 (0, "Secondary MAC Addresses not supported for interface index %u",
1529 if (dev_class->mac_addr_add_del_function)
1530 error = dev_class->mac_addr_add_del_function (hi, mac_address, is_add);
1534 vnet_hw_interface_class_t *hw_class;
1536 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1538 if (NULL != hw_class->mac_addr_add_del_function)
1539 error = hw_class->mac_addr_add_del_function (hi, mac_address, is_add);
1542 /* If no errors, add to the list of secondary MACs on the ethernet intf */
1544 ethernet_interface_add_del_address (ðernet_main, hw_if_index,
1545 mac_address, is_add);
1549 log_err ("hw_add_del_mac_address: %U", format_clib_error, error);
1553 static clib_error_t *
1554 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1556 const u8 * mac_address)
1558 clib_error_t *error = 0;
1559 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1563 u8 *old_address = vec_dup (hi->hw_address);
1564 vnet_device_class_t *dev_class =
1565 vnet_get_device_class (vnm, hi->dev_class_index);
1566 if (dev_class->mac_addr_change_function)
1569 dev_class->mac_addr_change_function (hi, old_address,
1574 vnet_hw_interface_class_t *hw_class;
1576 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1578 if (NULL != hw_class->mac_addr_change_function)
1579 hw_class->mac_addr_change_function (hi, old_address, mac_address);
1584 clib_error_return (0,
1585 "MAC Address Change is not supported on this interface");
1587 vec_free (old_address);
1592 clib_error_return (0,
1593 "mac address change is not supported for interface index %u",
1600 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1601 const u8 * mac_address)
1603 return vnet_hw_interface_change_mac_address_helper
1604 (vnm, hw_if_index, mac_address);
1607 /* update the unnumbered state of an interface*/
1609 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1610 u32 ip_sw_if_index, u8 enable)
1612 vnet_main_t *vnm = vnet_get_main ();
1613 vnet_sw_interface_t *si;
1616 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1617 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1621 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1622 si->unnumbered_sw_if_index = ip_sw_if_index;
1624 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1625 [unnumbered_sw_if_index] =
1627 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1629 lookup_main.if_address_pool_index_by_sw_if_index
1630 [unnumbered_sw_if_index] =
1632 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1636 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1637 si->unnumbered_sw_if_index = (u32) ~ 0;
1639 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1640 [unnumbered_sw_if_index] = ~0;
1641 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1642 [unnumbered_sw_if_index] = ~0;
1645 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1647 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1648 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1652 vnet_l3_packet_type_t
1653 vnet_link_to_l3_proto (vnet_link_t link)
1658 return (VNET_L3_PACKET_TYPE_IP4);
1660 return (VNET_L3_PACKET_TYPE_IP6);
1661 case VNET_LINK_MPLS:
1662 return (VNET_L3_PACKET_TYPE_MPLS);
1664 return (VNET_L3_PACKET_TYPE_ARP);
1665 case VNET_LINK_ETHERNET:
1675 vnet_link_to_mtu (vnet_link_t link)
1680 return (VNET_MTU_IP4);
1682 return (VNET_MTU_IP6);
1683 case VNET_LINK_MPLS:
1684 return (VNET_MTU_MPLS);
1686 return (VNET_MTU_L3);
1691 default_build_rewrite (vnet_main_t * vnm,
1693 vnet_link_t link_type, const void *dst_address)
1699 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1701 ip_adjacency_t *adj;
1705 switch (adj->lookup_next_index)
1707 case IP_LOOKUP_NEXT_GLEAN:
1708 adj_glean_update_rewrite (ai);
1710 case IP_LOOKUP_NEXT_ARP:
1711 case IP_LOOKUP_NEXT_BCAST:
1713 * default rewrite in neighbour adj
1715 adj_nbr_update_rewrite
1717 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1718 vnet_build_rewrite_for_sw_interface (vnm,
1720 adj_get_link_type (ai), NULL));
1722 case IP_LOOKUP_NEXT_MCAST:
1724 * mcast traffic also uses default rewrite string with no mcast
1725 * switch time updates.
1727 adj_mcast_update_rewrite
1729 vnet_build_rewrite_for_sw_interface (vnm,
1731 adj_get_link_type (ai),
1734 case IP_LOOKUP_NEXT_DROP:
1735 case IP_LOOKUP_NEXT_PUNT:
1736 case IP_LOOKUP_NEXT_LOCAL:
1737 case IP_LOOKUP_NEXT_REWRITE:
1738 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1739 case IP_LOOKUP_NEXT_MIDCHAIN:
1740 case IP_LOOKUP_NEXT_ICMP_ERROR:
1741 case IP_LOOKUP_N_NEXT:
1748 vnet_hw_interface_set_rss_queues (vnet_main_t * vnm,
1749 vnet_hw_interface_t * hi,
1750 clib_bitmap_t * bitmap)
1752 clib_error_t *error = 0;
1753 vnet_device_class_t *dev_class =
1754 vnet_get_device_class (vnm, hi->dev_class_index);
1756 if (dev_class->set_rss_queues_function)
1758 if (clib_bitmap_count_set_bits (bitmap) == 0)
1760 error = clib_error_return (0,
1761 "must assign at least one valid rss queue");
1765 error = dev_class->set_rss_queues_function (vnm, hi, bitmap);
1769 error = clib_error_return (0,
1770 "setting rss queues is not supported on this interface");
1775 clib_bitmap_free (hi->rss_queues);
1776 hi->rss_queues = clib_bitmap_dup (bitmap);
1781 log_err ("hw_set_rss_queues: %U", format_clib_error, error);
1785 int collect_detailed_interface_stats_flag = 0;
1788 collect_detailed_interface_stats_flag_set (void)
1790 collect_detailed_interface_stats_flag = 1;
1794 collect_detailed_interface_stats_flag_clear (void)
1796 collect_detailed_interface_stats_flag = 0;
1799 static clib_error_t *
1800 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1801 unformat_input_t * input,
1802 vlib_cli_command_t * cmd)
1804 unformat_input_t _line_input, *line_input = &_line_input;
1805 clib_error_t *error = NULL;
1807 /* Get a line of input. */
1808 if (!unformat_user (input, unformat_line_input, line_input))
1809 return clib_error_return (0, "expected enable | disable");
1811 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1813 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1814 collect_detailed_interface_stats_flag_set ();
1815 else if (unformat (line_input, "disable")
1816 || unformat (line_input, "off"))
1817 collect_detailed_interface_stats_flag_clear ();
1820 error = clib_error_return (0, "unknown input `%U'",
1821 format_unformat_error, line_input);
1827 unformat_free (line_input);
1832 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1833 .path = "interface collect detailed-stats",
1834 .short_help = "interface collect detailed-stats <enable|disable>",
1835 .function = collect_detailed_interface_stats_cli,
1840 * fd.io coding-style-patch-verification: ON
1843 * eval: (c-set-style "gnu")