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>
47 VLIB_REGISTER_LOG_CLASS (if_default_log, static) = {
48 .class_name = "interface",
52 #define log_debug(fmt,...) vlib_log_debug(if_default_log.class, fmt, __VA_ARGS__)
53 #define log_err(fmt,...) vlib_log_err(if_default_log.class, fmt, __VA_ARGS__)
54 typedef enum vnet_interface_helper_flags_t_
56 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE = (1 << 0),
57 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE = (1 << 1),
58 } vnet_interface_helper_flags_t;
60 static clib_error_t *vnet_hw_interface_set_flags_helper (vnet_main_t * vnm,
62 vnet_hw_interface_flags_t
64 vnet_interface_helper_flags_t
67 static clib_error_t *vnet_sw_interface_set_flags_helper (vnet_main_t * vnm,
69 vnet_sw_interface_flags_t
71 vnet_interface_helper_flags_t
74 static clib_error_t *vnet_hw_interface_set_class_helper (vnet_main_t * vnm,
81 /* Either sw or hw interface index. */
86 } vnet_sw_hw_interface_state_t;
89 serialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m, va_list * va)
91 vnet_sw_hw_interface_state_t *s =
92 va_arg (*va, vnet_sw_hw_interface_state_t *);
93 u32 n = va_arg (*va, u32);
95 for (i = 0; i < n; i++)
97 serialize_integer (m, s[i].sw_hw_if_index,
98 sizeof (s[i].sw_hw_if_index));
99 serialize_integer (m, s[i].flags, sizeof (s[i].flags));
104 unserialize_vec_vnet_sw_hw_interface_state (serialize_main_t * m,
107 vnet_sw_hw_interface_state_t *s =
108 va_arg (*va, vnet_sw_hw_interface_state_t *);
109 u32 n = va_arg (*va, u32);
111 for (i = 0; i < n; i++)
113 unserialize_integer (m, &s[i].sw_hw_if_index,
114 sizeof (s[i].sw_hw_if_index));
115 unserialize_integer (m, &s[i].flags, sizeof (s[i].flags));
119 static vnet_sw_interface_flags_t
120 vnet_hw_interface_flags_to_sw (vnet_hw_interface_flags_t hwf)
122 vnet_sw_interface_flags_t swf = VNET_SW_INTERFACE_FLAG_NONE;
124 if (hwf & VNET_HW_INTERFACE_FLAG_LINK_UP)
125 swf |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
131 serialize_vnet_interface_state (serialize_main_t * m, va_list * va)
133 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
134 vnet_sw_hw_interface_state_t *sts = 0, *st;
135 vnet_sw_interface_t *sif;
136 vnet_hw_interface_t *hif;
137 vnet_interface_main_t *im = &vnm->interface_main;
139 /* Serialize hardware interface classes since they may have changed.
140 Must do this before sending up/down flags. */
142 pool_foreach (hif, im->hw_interfaces) {
143 vnet_hw_interface_class_t * hw_class = vnet_get_hw_interface_class (vnm, hif->hw_class_index);
144 serialize_cstring (m, hw_class->name);
148 /* Send sw/hw interface state when non-zero. */
150 pool_foreach (sif, im->sw_interfaces) {
153 vec_add2 (sts, st, 1);
154 st->sw_hw_if_index = sif->sw_if_index;
155 st->flags = sif->flags;
160 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
166 pool_foreach (hif, im->hw_interfaces) {
169 vec_add2 (sts, st, 1);
170 st->sw_hw_if_index = hif->hw_if_index;
171 st->flags = vnet_hw_interface_flags_to_sw(hif->flags);
176 vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state);
181 static vnet_hw_interface_flags_t
182 vnet_sw_interface_flags_to_hw (vnet_sw_interface_flags_t swf)
184 vnet_hw_interface_flags_t hwf = VNET_HW_INTERFACE_FLAG_NONE;
186 if (swf & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
187 hwf |= VNET_HW_INTERFACE_FLAG_LINK_UP;
193 unserialize_vnet_interface_state (serialize_main_t * m, va_list * va)
195 vnet_main_t *vnm = va_arg (*va, vnet_main_t *);
196 vnet_sw_hw_interface_state_t *sts = 0, *st;
198 /* First set interface hardware class. */
200 vnet_interface_main_t *im = &vnm->interface_main;
201 vnet_hw_interface_t *hif;
207 pool_foreach (hif, im->hw_interfaces) {
208 unserialize_cstring (m, &class_name);
209 p = hash_get_mem (im->hw_interface_class_by_name, class_name);
212 error = vnet_hw_interface_set_class_helper
213 (vnm, hif->hw_if_index, p[0], /* redistribute */ 0);
216 error = clib_error_return (0, "hw class %s AWOL?", class_name);
219 clib_error_report (error);
220 vec_free (class_name);
225 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
226 vec_foreach (st, sts)
227 vnet_sw_interface_set_flags_helper (vnm, st->sw_hw_if_index, st->flags,
228 /* no distribute */ 0);
231 vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state);
232 vec_foreach (st, sts)
234 vnet_hw_interface_set_flags_helper
235 (vnm, st->sw_hw_if_index, vnet_sw_interface_flags_to_hw (st->flags),
236 /* 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 static clib_error_t *
304 vnet_hw_interface_set_flags_helper (vnet_main_t * vnm, u32 hw_if_index,
305 vnet_hw_interface_flags_t flags,
306 vnet_interface_helper_flags_t
309 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
310 vnet_hw_interface_class_t *hw_class =
311 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
313 clib_error_t *error = 0;
315 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
318 (VNET_HW_INTERFACE_FLAG_LINK_UP | VNET_HW_INTERFACE_FLAG_DUPLEX_MASK);
321 /* Call hardware interface add/del callbacks. */
323 call_hw_interface_add_del_callbacks (vnm, hw_if_index, is_create);
325 /* Already in the desired state? */
326 if (!is_create && (hi->flags & mask) == flags)
329 if ((hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) !=
330 (flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
332 /* Do hardware class (e.g. ethernet). */
333 if (hw_class->link_up_down_function
334 && (error = hw_class->link_up_down_function (vnm, hw_if_index,
338 error = call_elf_section_interface_callbacks
339 (vnm, hw_if_index, flags, vnm->hw_interface_link_up_down_functions);
350 log_err ("hw_set_flags_helper: %U", format_clib_error, error);
354 static clib_error_t *
355 vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index,
356 vnet_sw_interface_flags_t flags,
357 vnet_interface_helper_flags_t
360 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
362 clib_error_t *error = 0;
364 (helper_flags & VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE) != 0;
367 mask = VNET_SW_INTERFACE_FLAG_ADMIN_UP | VNET_SW_INTERFACE_FLAG_PUNT;
373 call_sw_interface_add_del_callbacks (vnm, sw_if_index, is_create);
377 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
379 /* Notify everyone when the interface is created as admin up */
380 error = call_elf_section_interface_callbacks (vnm, sw_if_index,
383 sw_interface_admin_up_down_functions);
390 vnet_sw_interface_t *si_sup = si;
392 /* Check that super interface is in correct state. */
393 if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
395 si_sup = vnet_get_sw_interface (vnm, si->sup_sw_if_index);
397 /* Check to see if we're bringing down the soft interface and if it's parent is up */
398 if ((flags != (si_sup->flags & mask)) &&
400 && ((si_sup->flags & mask) ==
401 VNET_SW_INTERFACE_FLAG_ADMIN_UP))))
403 error = clib_error_return (0, "super-interface %U must be %U",
404 format_vnet_sw_interface_name, vnm,
406 format_vnet_sw_interface_flags,
412 /* Already in the desired state? */
413 if ((si->flags & mask) == flags)
416 /* Sub-interfaces of hardware interfaces that do no redistribute,
417 do not redistribute themselves. */
418 if (si_sup->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
420 vnet_hw_interface_t *hi =
421 vnet_get_hw_interface (vnm, si_sup->hw_if_index);
422 vnet_device_class_t *dev_class =
423 vnet_get_device_class (vnm, hi->dev_class_index);
424 if (!dev_class->redistribute)
426 ~VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE;
429 /* set the flags now before invoking the registered clients
430 * so that the state they query is consistent with the state here notified */
431 old_flags = si->flags;
434 if ((flags | old_flags) & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
435 error = call_elf_section_interface_callbacks
436 (vnm, sw_if_index, flags,
437 vnm->sw_interface_admin_up_down_functions);
441 /* restore flags on error */
442 si->flags = old_flags;
446 if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
448 vnet_hw_interface_t *hi =
449 vnet_get_hw_interface (vnm, si->hw_if_index);
450 vnet_hw_interface_class_t *hw_class =
451 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
452 vnet_device_class_t *dev_class =
453 vnet_get_device_class (vnm, hi->dev_class_index);
455 if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) &&
456 (si->flags & VNET_SW_INTERFACE_FLAG_ERROR))
458 error = clib_error_return (0, "Interface in the error state");
462 /* save the si admin up flag */
463 old_flags = si->flags;
465 /* update si admin up flag in advance if we are going admin down */
466 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
467 si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP;
469 if (dev_class->admin_up_down_function
470 && (error = dev_class->admin_up_down_function (vnm,
474 /* restore si admin up flag to it's original state on errors */
475 si->flags = old_flags;
479 if (hw_class->admin_up_down_function
480 && (error = hw_class->admin_up_down_function (vnm,
484 /* restore si admin up flag to it's original state on errors */
485 si->flags = old_flags;
489 /* Admin down implies link down. */
490 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
491 && (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
492 vnet_hw_interface_set_flags_helper (vnm, si->hw_if_index,
494 ~VNET_HW_INTERFACE_FLAG_LINK_UP,
504 log_err ("sw_set_flags_helper: %U", format_clib_error, error);
509 vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index,
510 vnet_hw_interface_flags_t flags)
512 log_debug ("hw_set_flags: hw_if_index %u flags 0x%x", hw_if_index, flags);
513 return vnet_hw_interface_set_flags_helper
514 (vnm, hw_if_index, flags,
515 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
519 vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index,
520 vnet_sw_interface_flags_t flags)
522 log_debug ("sw_set_flags: sw_if_index %u flags 0x%x", sw_if_index, flags);
523 return vnet_sw_interface_set_flags_helper
524 (vnm, sw_if_index, flags,
525 VNET_INTERFACE_SET_FLAGS_HELPER_WANT_REDISTRIBUTE);
529 vnet_sw_interface_admin_up (vnet_main_t * vnm, u32 sw_if_index)
531 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
532 log_debug ("sw_admin_up: sw_if_index %u", sw_if_index);
534 if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
536 flags |= VNET_SW_INTERFACE_FLAG_ADMIN_UP;
537 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
542 vnet_sw_interface_admin_down (vnet_main_t * vnm, u32 sw_if_index)
544 u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
545 log_debug ("sw_admin_down: sw_if_index %u", sw_if_index);
547 if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
549 flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
550 vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
555 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm,
556 vnet_sw_interface_t * template)
558 vnet_interface_main_t *im = &vnm->interface_main;
559 vnet_sw_interface_t *sw;
562 pool_get (im->sw_interfaces, sw);
563 sw_if_index = sw - im->sw_interfaces;
568 sw->sw_if_index = sw_if_index;
569 if (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE)
570 sw->sup_sw_if_index = sw->sw_if_index;
572 /* Allocate counters for this interface. */
576 vnet_interface_counter_lock (im);
578 for (i = 0; i < vec_len (im->sw_if_counters); i++)
580 vlib_validate_simple_counter (&im->sw_if_counters[i], sw_if_index);
581 vlib_zero_simple_counter (&im->sw_if_counters[i], sw_if_index);
584 for (i = 0; i < vec_len (im->combined_sw_if_counters); i++)
586 vlib_validate_combined_counter (&im->combined_sw_if_counters[i],
588 vlib_zero_combined_counter (&im->combined_sw_if_counters[i],
592 vnet_interface_counter_unlock (im);
599 vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template,
602 vnet_interface_main_t *im = &vnm->interface_main;
604 vnet_hw_interface_t *hi;
605 vnet_device_class_t *dev_class;
607 if (template->sub.eth.flags.two_tags == 1
608 && template->sub.eth.flags.exact_match == 1
609 && (template->sub.eth.flags.inner_vlan_id_any == 1
610 || template->sub.eth.flags.outer_vlan_id_any == 1))
612 char *str = "inner-dot1q any exact-match is unsupported";
613 error = clib_error_return (0, str);
614 log_err ("create_sw_interface: %s", str);
618 hi = vnet_get_sup_hw_interface (vnm, template->sup_sw_if_index);
619 dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
621 if (template->type == VNET_SW_INTERFACE_TYPE_SUB &&
622 dev_class->subif_add_del_function)
624 error = dev_class->subif_add_del_function (vnm, hi->hw_if_index,
625 (struct vnet_sw_interface_t
631 *sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, template);
632 error = vnet_sw_interface_set_flags_helper
633 (vnm, *sw_if_index, template->flags,
634 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
638 /* undo the work done by vnet_create_sw_interface_no_callbacks() */
639 log_err ("create_sw_interface: set flags failed\n %U",
640 format_clib_error, error);
641 vnet_sw_interface_t *sw =
642 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
643 pool_put (im->sw_interfaces, sw);
647 vnet_sw_interface_t *sw =
648 pool_elt_at_index (im->sw_interfaces, *sw_if_index);
649 log_debug ("create_sw_interface: interface %U (sw_if_index %u) created",
650 format_vnet_sw_interface_name, vnm, sw, *sw_if_index);
657 vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index)
659 vnet_interface_main_t *im = &vnm->interface_main;
660 vnet_sw_interface_t *sw =
661 pool_elt_at_index (im->sw_interfaces, sw_if_index);
663 log_debug ("delete_sw_interface: sw_if_index %u, name '%U'",
664 sw_if_index, format_vnet_sw_if_index_name, vnm, sw_if_index);
666 /* Check if the interface has config and is removed from L2 BD or XConnect */
667 vnet_clear_sw_interface_tag (vnm, sw_if_index);
669 /* Bring down interface in case it is up. */
671 vnet_sw_interface_set_flags (vnm, sw_if_index, /* flags */ 0);
673 call_sw_interface_add_del_callbacks (vnm, sw_if_index, /* is_create */ 0);
675 pool_put (im->sw_interfaces, sw);
678 static clib_error_t *
679 call_sw_interface_mtu_change_callbacks (vnet_main_t * vnm, u32 sw_if_index)
681 return call_elf_section_interface_callbacks
682 (vnm, sw_if_index, 0, vnm->sw_interface_mtu_change_functions);
686 vnet_sw_interface_set_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu)
688 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
690 if (si->mtu[VNET_MTU_L3] != mtu)
692 si->mtu[VNET_MTU_L3] = mtu;
693 log_debug ("set_mtu: interface %U, new mtu %u",
694 format_vnet_sw_if_index_name, vnm, sw_if_index, mtu);
696 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
701 vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index,
704 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
705 bool changed = false;
708 for (i = 0; i < VNET_N_MTU; i++)
710 if (si->mtu[i] != mtu[i])
716 /* Notify interested parties */
719 log_debug ("set_protocol_mtu: interface %U l3 %u ip4 %u ip6 %u mpls %u",
720 format_vnet_sw_if_index_name, vnm, sw_if_index,
721 mtu[VNET_MTU_L3], mtu[VNET_MTU_IP4], mtu[VNET_MTU_IP6],
723 call_sw_interface_mtu_change_callbacks (vnm, sw_if_index);
728 vnet_sw_interface_ip_directed_broadcast (vnet_main_t * vnm,
729 u32 sw_if_index, u8 enable)
731 vnet_sw_interface_t *si;
733 si = vnet_get_sw_interface (vnm, sw_if_index);
736 si->flags |= VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
738 si->flags &= ~VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST;
740 ip4_directed_broadcast (sw_if_index, enable);
744 * Reflect a change in hardware MTU on protocol MTUs
747 sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
750 vnet_sw_interface_set_mtu (vnm, sw_if_index, *link_mtu);
751 return WALK_CONTINUE;
755 vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu)
757 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
759 if (hi->max_packet_bytes != mtu)
761 hi->max_packet_bytes = mtu;
762 ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU);
763 vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback,
769 setup_tx_node (vlib_main_t * vm,
770 u32 node_index, vnet_device_class_t * dev_class)
772 vlib_node_t *n = vlib_get_node (vm, node_index);
774 n->function = dev_class->tx_function;
775 n->format_trace = dev_class->format_tx_trace;
777 /// XXX: Update this to use counter structure
778 vlib_register_errors (vm, node_index,
779 dev_class->tx_function_n_errors,
780 dev_class->tx_function_error_strings, 0);
784 setup_output_node (vlib_main_t * vm,
785 u32 node_index, vnet_hw_interface_class_t * hw_class)
787 vlib_node_t *n = vlib_get_node (vm, node_index);
788 n->format_buffer = hw_class->format_header;
789 n->unformat_buffer = hw_class->unformat_header;
792 /* Register an interface instance. */
794 vnet_register_interface (vnet_main_t * vnm,
797 u32 hw_class_index, u32 hw_instance)
799 vnet_interface_main_t *im = &vnm->interface_main;
800 vnet_hw_interface_t *hw;
801 vnet_device_class_t *dev_class =
802 vnet_get_device_class (vnm, dev_class_index);
803 vnet_hw_interface_class_t *hw_class =
804 vnet_get_hw_interface_class (vnm, hw_class_index);
805 vlib_main_t *vm = vnm->vlib_main;
806 vnet_feature_config_main_t *fcm;
807 vnet_config_main_t *cm;
809 char *tx_node_name = NULL, *output_node_name = NULL;
810 vlib_node_function_t *output_node = vnet_interface_output_node_get ();
812 pool_get (im->hw_interfaces, hw);
813 clib_memset (hw, 0, sizeof (*hw));
814 hw->trace_classify_table_index = ~0;
816 hw_index = hw - im->hw_interfaces;
817 hw->hw_if_index = hw_index;
818 hw->default_rx_mode = VNET_HW_IF_RX_MODE_POLLING;
820 if (dev_class->format_device_name)
821 hw->name = format (0, "%U", dev_class->format_device_name, dev_instance);
822 else if (hw_class->format_interface_name)
823 hw->name = format (0, "%U", hw_class->format_interface_name,
826 hw->name = format (0, "%s%x", hw_class->name, dev_instance);
828 if (!im->hw_interface_by_name)
829 im->hw_interface_by_name = hash_create_vec ( /* size */ 0,
830 sizeof (hw->name[0]),
833 hash_set_mem (im->hw_interface_by_name, hw->name, hw_index);
835 /* Make hardware interface point to software interface. */
837 vnet_sw_interface_t sw = {
838 .type = VNET_SW_INTERFACE_TYPE_HARDWARE,
839 .flood_class = VNET_FLOOD_CLASS_NORMAL,
840 .hw_if_index = hw_index
842 hw->sw_if_index = vnet_create_sw_interface_no_callbacks (vnm, &sw);
845 hw->dev_class_index = dev_class_index;
846 hw->dev_instance = dev_instance;
847 hw->hw_class_index = hw_class_index;
848 hw->hw_instance = hw_instance;
850 hw->max_rate_bits_per_sec = 0;
851 hw->min_packet_bytes = 0;
852 vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0);
854 if (dev_class->tx_function == 0)
855 goto no_output_nodes; /* No output/tx nodes to create */
857 tx_node_name = (char *) format (0, "%v-tx", hw->name);
858 output_node_name = (char *) format (0, "%v-output", hw->name);
860 /* If we have previously deleted interface nodes, re-use them. */
861 if (vec_len (im->deleted_hw_interface_nodes) > 0)
863 vnet_hw_interface_nodes_t *hn;
865 vlib_node_runtime_t *nrt;
867 hn = vec_end (im->deleted_hw_interface_nodes) - 1;
869 hw->tx_node_index = hn->tx_node_index;
870 hw->output_node_index = hn->output_node_index;
872 vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name);
873 vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name);
877 vnet_interface_output_runtime_t *rt;
879 rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
880 ASSERT (rt->is_deleted == 1);
882 rt->hw_if_index = hw_index;
883 rt->sw_if_index = hw->sw_if_index;
884 rt->dev_instance = hw->dev_instance;
886 rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index);
887 rt->hw_if_index = hw_index;
888 rt->sw_if_index = hw->sw_if_index;
889 rt->dev_instance = hw->dev_instance;
893 /* The new class may differ from the old one.
894 * Functions have to be updated. */
895 node = vlib_get_node (vm, hw->output_node_index);
896 node->function = output_node;
897 node->format_trace = format_vnet_interface_output_trace;
900 nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index);
901 nrt->function = node->function;
902 vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0,
903 VLIB_NODE_RUNTIME_PERF_RESET);
907 node = vlib_get_node (vm, hw->tx_node_index);
908 node->function = dev_class->tx_function;
909 node->format_trace = dev_class->format_tx_trace;
912 nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index);
913 nrt->function = node->function;
914 vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0,
915 VLIB_NODE_RUNTIME_PERF_RESET);
919 _vec_len (im->deleted_hw_interface_nodes) -= 1;
923 vlib_node_registration_t r;
924 vnet_interface_output_runtime_t rt = {
925 .hw_if_index = hw_index,
926 .sw_if_index = hw->sw_if_index,
927 .dev_instance = hw->dev_instance,
931 clib_memset (&r, 0, sizeof (r));
932 r.type = VLIB_NODE_TYPE_INTERNAL;
933 r.runtime_data = &rt;
934 r.runtime_data_bytes = sizeof (rt);
936 r.vector_size = sizeof (u32);
938 r.flags = VLIB_NODE_FLAG_IS_OUTPUT;
939 r.name = tx_node_name;
940 r.function = dev_class->tx_function;
942 hw->tx_node_index = vlib_register_node (vm, &r);
944 vlib_node_add_named_next_with_slot (vm, hw->tx_node_index,
946 VNET_INTERFACE_TX_NEXT_DROP);
949 r.name = output_node_name;
950 r.function = output_node;
951 r.format_trace = format_vnet_interface_output_trace;
956 "interface is deleted",
957 "no buffers to segment GSO",
960 r.n_errors = ARRAY_LEN (e);
963 hw->output_node_index = vlib_register_node (vm, &r);
965 vlib_node_add_named_next_with_slot (vm, hw->output_node_index,
967 VNET_INTERFACE_OUTPUT_NEXT_DROP);
968 vlib_node_add_next_with_slot (vm, hw->output_node_index,
970 VNET_INTERFACE_OUTPUT_NEXT_TX);
972 /* add interface to the list of "output-interface" feature arc start nodes
973 and clone nexts from 1st interface if it exists */
974 fcm = vnet_feature_get_config_main (im->output_feature_arc_index);
975 cm = &fcm->config_main;
976 i = vec_len (cm->start_node_indices);
977 vec_validate (cm->start_node_indices, i);
978 cm->start_node_indices[i] = hw->output_node_index;
981 /* copy nexts from 1st interface */
982 vnet_hw_interface_t *first_hw;
983 vlib_node_t *first_node;
985 first_hw = vnet_get_hw_interface (vnm, /* hw_if_index */ 0);
986 first_node = vlib_get_node (vm, first_hw->output_node_index);
988 /* 1st 2 nexts are already added above */
989 for (i = 2; i < vec_len (first_node->next_nodes); i++)
990 vlib_node_add_next_with_slot (vm, hw->output_node_index,
991 first_node->next_nodes[i], i);
995 setup_output_node (vm, hw->output_node_index, hw_class);
996 setup_tx_node (vm, hw->tx_node_index, dev_class);
999 /* Call all up/down callbacks with zero flags when interface is created. */
1000 vnet_sw_interface_set_flags_helper (vnm, hw->sw_if_index, /* flags */ 0,
1001 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
1002 vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0,
1003 VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE);
1004 vec_free (tx_node_name);
1005 vec_free (output_node_name);
1011 vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
1013 vnet_interface_main_t *im = &vnm->interface_main;
1014 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
1015 vlib_main_t *vm = vnm->vlib_main;
1016 vnet_device_class_t *dev_class = vnet_get_device_class (vnm,
1017 hw->dev_class_index);
1018 /* If it is up, mark it down. */
1020 vnet_hw_interface_set_flags (vnm, hw_if_index, /* flags */ 0);
1022 /* Call delete callbacks. */
1023 call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
1025 /* Delete any sub-interfaces. */
1027 u32 id, sw_if_index;
1029 hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id,
1031 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1032 u64 sup_and_sub_key =
1033 ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
1034 hash_unset_mem_free (&im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1035 vnet_delete_sw_interface (vnm, sw_if_index);
1037 hash_free (hw->sub_interface_sw_if_index_by_id);
1041 /* Delete software interface corresponding to hardware interface. */
1042 vnet_delete_sw_interface (vnm, hw->sw_if_index);
1044 if (dev_class->tx_function)
1046 /* Put output/tx nodes into recycle pool */
1047 vnet_hw_interface_nodes_t *dn;
1052 vnet_interface_output_runtime_t *rt =
1053 vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index);
1055 /* Mark node runtime as deleted so output node (if called)
1056 * will drop packets. */
1061 vlib_node_rename (vm, hw->output_node_index,
1062 "interface-%d-output-deleted", hw_if_index);
1063 vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
1065 vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
1066 dn->tx_node_index = hw->tx_node_index;
1067 dn->output_node_index = hw->output_node_index;
1070 hash_unset_mem (im->hw_interface_by_name, hw->name);
1071 vec_free (hw->name);
1072 vec_free (hw->hw_address);
1073 vec_free (hw->input_node_thread_index_by_queue);
1074 vec_free (hw->dq_runtime_index_by_queue);
1076 pool_put (im->hw_interfaces, hw);
1080 vnet_hw_interface_walk_sw (vnet_main_t * vnm,
1082 vnet_hw_sw_interface_walk_t fn, void *ctx)
1084 vnet_hw_interface_t *hi;
1085 u32 id, sw_if_index;
1087 hi = vnet_get_hw_interface (vnm, hw_if_index);
1088 /* the super first, then the sub interfaces */
1089 if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx))
1093 hash_foreach (id, sw_if_index,
1094 hi->sub_interface_sw_if_index_by_id,
1096 if (WALK_STOP == fn (vnm, sw_if_index, ctx))
1103 vnet_hw_interface_walk (vnet_main_t * vnm,
1104 vnet_hw_interface_walk_t fn, void *ctx)
1106 vnet_interface_main_t *im;
1107 vnet_hw_interface_t *hi;
1109 im = &vnm->interface_main;
1112 pool_foreach (hi, im->hw_interfaces)
1114 if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx))
1121 vnet_sw_interface_walk (vnet_main_t * vnm,
1122 vnet_sw_interface_walk_t fn, void *ctx)
1124 vnet_interface_main_t *im;
1125 vnet_sw_interface_t *si;
1127 im = &vnm->interface_main;
1130 pool_foreach (si, im->sw_interfaces)
1132 if (WALK_STOP == fn (vnm, si, ctx))
1139 vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index,
1140 u32 hw_class_index, u32 hw_instance)
1142 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1143 vnet_hw_interface_class_t *hc =
1144 vnet_get_hw_interface_class (vnm, hw_class_index);
1146 hi->hw_class_index = hw_class_index;
1147 hi->hw_instance = hw_instance;
1148 setup_output_node (vnm->vlib_main, hi->output_node_index, hc);
1151 static clib_error_t *
1152 vnet_hw_interface_set_class_helper (vnet_main_t * vnm, u32 hw_if_index,
1153 u32 hw_class_index, u32 redistribute)
1155 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1156 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, hi->sw_if_index);
1157 vnet_hw_interface_class_t *old_class =
1158 vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1159 vnet_hw_interface_class_t *new_class =
1160 vnet_get_hw_interface_class (vnm, hw_class_index);
1161 vnet_device_class_t *dev_class =
1162 vnet_get_device_class (vnm, hi->dev_class_index);
1163 clib_error_t *error = 0;
1165 /* New class equals old class? Nothing to do. */
1166 if (hi->hw_class_index == hw_class_index)
1169 /* No need (and incorrect since admin up flag may be set) to do error checking when
1170 receiving unserialize message. */
1173 if (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
1174 return clib_error_return (0,
1175 "%v must be admin down to change class from %s to %s",
1176 hi->name, old_class->name, new_class->name);
1178 /* Make sure interface supports given class. */
1179 if ((new_class->is_valid_class_for_interface
1180 && !new_class->is_valid_class_for_interface (vnm, hw_if_index,
1182 || (dev_class->is_valid_class_for_interface
1183 && !dev_class->is_valid_class_for_interface (vnm, hw_if_index,
1185 return clib_error_return (0,
1186 "%v class cannot be changed from %s to %s",
1187 hi->name, old_class->name, new_class->name);
1191 if (old_class->hw_class_change)
1192 old_class->hw_class_change (vnm, hw_if_index, old_class->index,
1195 vnet_hw_interface_init_for_class (vnm, hw_if_index, new_class->index,
1198 if (new_class->hw_class_change)
1199 new_class->hw_class_change (vnm, hw_if_index, old_class->index,
1202 if (dev_class->hw_class_change)
1203 dev_class->hw_class_change (vnm, hw_if_index, new_class->index);
1209 vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index,
1212 return vnet_hw_interface_set_class_helper (vnm, hw_if_index, hw_class_index,
1213 /* redistribute */ 1);
1217 vnet_hw_interface_rx_redirect_to_node_helper (vnet_main_t * vnm,
1222 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1223 vnet_device_class_t *dev_class = vnet_get_device_class
1224 (vnm, hi->dev_class_index);
1226 if (dev_class->rx_redirect_to_node)
1228 dev_class->rx_redirect_to_node (vnm, hw_if_index, node_index);
1232 return VNET_API_ERROR_UNIMPLEMENTED;
1236 vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index,
1239 return vnet_hw_interface_rx_redirect_to_node_helper (vnm, hw_if_index,
1241 1 /* redistribute */ );
1245 vnet_sw_interface_compare (vnet_main_t * vnm,
1246 uword sw_if_index0, uword sw_if_index1)
1248 vnet_sw_interface_t *sup0 = vnet_get_sup_sw_interface (vnm, sw_if_index0);
1249 vnet_sw_interface_t *sup1 = vnet_get_sup_sw_interface (vnm, sw_if_index1);
1250 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, sup0->hw_if_index);
1251 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, sup1->hw_if_index);
1254 return vec_cmp (h0->name, h1->name);
1255 return (word) h0->hw_instance - (word) h1->hw_instance;
1259 vnet_hw_interface_compare (vnet_main_t * vnm,
1260 uword hw_if_index0, uword hw_if_index1)
1262 vnet_hw_interface_t *h0 = vnet_get_hw_interface (vnm, hw_if_index0);
1263 vnet_hw_interface_t *h1 = vnet_get_hw_interface (vnm, hw_if_index1);
1266 return vec_cmp (h0->name, h1->name);
1267 return (word) h0->hw_instance - (word) h1->hw_instance;
1271 vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index)
1273 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
1274 if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) ||
1275 (si->type == VNET_SW_INTERFACE_TYPE_PIPE))
1278 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1279 vnet_hw_interface_class_t *hc =
1280 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1282 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_P2P);
1286 vnet_sw_interface_is_nbma (vnet_main_t * vnm, u32 sw_if_index)
1288 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
1289 vnet_hw_interface_class_t *hc =
1290 vnet_get_hw_interface_class (vnm, hw->hw_class_index);
1292 return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_NBMA);
1296 vnet_interface_init (vlib_main_t * vm)
1298 vnet_main_t *vnm = vnet_get_main ();
1299 vnet_interface_main_t *im = &vnm->interface_main;
1300 vlib_buffer_t *b = 0;
1301 vnet_buffer_opaque_t *o = 0;
1302 clib_error_t *error;
1305 * Keep people from shooting themselves in the foot.
1307 if (sizeof (b->opaque) != sizeof (vnet_buffer_opaque_t))
1309 #define _(a) if (sizeof(o->a) > sizeof (o->unused)) \
1311 ("FATAL: size of opaque union subtype %s is %d (max %d)", \
1312 #a, sizeof(o->a), sizeof (o->unused));
1313 foreach_buffer_opaque_union_subtype;
1316 return clib_error_return
1317 (0, "FATAL: size of vlib buffer opaque %d, size of vnet opaque %d",
1318 sizeof (b->opaque), sizeof (vnet_buffer_opaque_t));
1321 clib_spinlock_init (&im->sw_if_counter_lock);
1322 clib_spinlock_lock (&im->sw_if_counter_lock); /* should be no need */
1324 vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1);
1326 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1327 im->sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1328 foreach_simple_interface_counter_name
1330 vec_validate (im->combined_sw_if_counters,
1331 VNET_N_COMBINED_INTERFACE_COUNTER - 1);
1333 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].name = #n; \
1334 im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n;
1335 foreach_combined_interface_counter_name
1337 clib_spinlock_unlock (&im->sw_if_counter_lock);
1339 im->device_class_by_name = hash_create_string ( /* size */ 0,
1342 vnet_device_class_t *c;
1344 c = vnm->device_class_registrations;
1348 c->index = vec_len (im->device_classes);
1349 hash_set_mem (im->device_class_by_name, c->name, c->index);
1351 if (c->tx_fn_registrations)
1353 vlib_node_fn_registration_t *fnr = c->tx_fn_registrations;
1356 /* to avoid confusion, please remove ".tx_function" statement
1357 from VNET_DEVICE_CLASS() if using function candidates */
1358 ASSERT (c->tx_function == 0);
1362 if (fnr->priority > priority)
1364 priority = fnr->priority;
1365 c->tx_function = fnr->function;
1367 fnr = fnr->next_registration;
1371 vec_add1 (im->device_classes, c[0]);
1372 c = c->next_class_registration;
1376 im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
1379 im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
1382 vnet_hw_interface_class_t *c;
1384 c = vnm->hw_interface_class_registrations;
1388 c->index = vec_len (im->hw_interface_classes);
1389 hash_set_mem (im->hw_interface_class_by_name, c->name, c->index);
1391 if (NULL == c->build_rewrite)
1392 c->build_rewrite = default_build_rewrite;
1393 if (NULL == c->update_adjacency)
1394 c->update_adjacency = default_update_adjacency;
1396 vec_add1 (im->hw_interface_classes, c[0]);
1397 c = c->next_class_registration;
1401 /* init per-thread data */
1402 vec_validate_aligned (im->per_thread_data, vlib_num_workers (),
1403 CLIB_CACHE_LINE_BYTES);
1405 if ((error = vlib_call_init_function (vm, vnet_interface_cli_init)))
1408 vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword));
1410 #if VLIB_BUFFER_TRACE_TRAJECTORY > 0
1411 if ((error = vlib_call_init_function (vm, trajectory_trace_init)))
1418 VLIB_INIT_FUNCTION (vnet_interface_init);
1420 /* Kludge to renumber interface names [only!] */
1422 vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance)
1425 vnet_main_t *vnm = vnet_get_main ();
1426 vnet_interface_main_t *im = &vnm->interface_main;
1427 vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
1429 vnet_device_class_t *dev_class = vnet_get_device_class
1430 (vnm, hi->dev_class_index);
1432 if (dev_class->name_renumber == 0 || dev_class->format_device_name == 0)
1433 return VNET_API_ERROR_UNIMPLEMENTED;
1435 rv = dev_class->name_renumber (hi, new_show_dev_instance);
1440 hash_unset_mem (im->hw_interface_by_name, hi->name);
1441 vec_free (hi->name);
1442 /* Use the mapping we set up to call it Ishmael */
1443 hi->name = format (0, "%U", dev_class->format_device_name,
1446 hash_set_mem (im->hw_interface_by_name, hi->name, hi->hw_if_index);
1451 vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char *new_name)
1453 vnet_interface_main_t *im = &vnm->interface_main;
1454 vlib_main_t *vm = vnm->vlib_main;
1455 vnet_hw_interface_t *hw;
1457 clib_error_t *error = 0;
1459 hw = vnet_get_hw_interface (vnm, hw_if_index);
1462 return clib_error_return (0,
1463 "unable to find hw interface for index %u",
1467 old_name = hw->name;
1469 /* set new hw->name */
1470 hw->name = format (0, "%s", new_name);
1472 /* remove the old name to hw_if_index mapping and install the new one */
1473 hash_unset_mem (im->hw_interface_by_name, old_name);
1474 hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index);
1476 /* rename tx/output nodes */
1477 vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name);
1478 vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name);
1480 /* free the old name vector */
1481 vec_free (old_name);
1487 vnet_hw_interface_add_del_mac_address (vnet_main_t * vnm,
1489 const u8 * mac_address, u8 is_add)
1491 clib_error_t *error = 0;
1492 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1494 vnet_device_class_t *dev_class =
1495 vnet_get_device_class (vnm, hi->dev_class_index);
1497 if (!hi->hw_address)
1501 (0, "Secondary MAC Addresses not supported for interface index %u",
1506 if (dev_class->mac_addr_add_del_function)
1507 error = dev_class->mac_addr_add_del_function (hi, mac_address, is_add);
1511 vnet_hw_interface_class_t *hw_class;
1513 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1515 if (NULL != hw_class->mac_addr_add_del_function)
1516 error = hw_class->mac_addr_add_del_function (hi, mac_address, is_add);
1519 /* If no errors, add to the list of secondary MACs on the ethernet intf */
1521 ethernet_interface_add_del_address (ðernet_main, hw_if_index,
1522 mac_address, is_add);
1526 log_err ("hw_add_del_mac_address: %U", format_clib_error, error);
1530 static clib_error_t *
1531 vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm,
1533 const u8 * mac_address)
1535 clib_error_t *error = 0;
1536 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
1540 u8 *old_address = vec_dup (hi->hw_address);
1541 vnet_device_class_t *dev_class =
1542 vnet_get_device_class (vnm, hi->dev_class_index);
1543 if (dev_class->mac_addr_change_function)
1546 dev_class->mac_addr_change_function (hi, old_address,
1551 vnet_hw_interface_class_t *hw_class;
1553 hw_class = vnet_get_hw_interface_class (vnm, hi->hw_class_index);
1555 if (NULL != hw_class->mac_addr_change_function)
1556 hw_class->mac_addr_change_function (hi, old_address, mac_address);
1561 clib_error_return (0,
1562 "MAC Address Change is not supported on this interface");
1564 vec_free (old_address);
1569 clib_error_return (0,
1570 "mac address change is not supported for interface index %u",
1577 vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index,
1578 const u8 * mac_address)
1580 return vnet_hw_interface_change_mac_address_helper
1581 (vnm, hw_if_index, mac_address);
1584 /* update the unnumbered state of an interface*/
1586 vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index,
1587 u32 ip_sw_if_index, u8 enable)
1589 vnet_main_t *vnm = vnet_get_main ();
1590 vnet_sw_interface_t *si;
1593 si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
1594 was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1598 si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
1599 si->unnumbered_sw_if_index = ip_sw_if_index;
1601 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1602 [unnumbered_sw_if_index] =
1604 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1606 lookup_main.if_address_pool_index_by_sw_if_index
1607 [unnumbered_sw_if_index] =
1609 lookup_main.if_address_pool_index_by_sw_if_index[ip_sw_if_index];
1613 si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
1614 si->unnumbered_sw_if_index = (u32) ~ 0;
1616 ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
1617 [unnumbered_sw_if_index] = ~0;
1618 ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
1619 [unnumbered_sw_if_index] = ~0;
1622 if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
1624 ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1625 ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable);
1629 vnet_l3_packet_type_t
1630 vnet_link_to_l3_proto (vnet_link_t link)
1635 return (VNET_L3_PACKET_TYPE_IP4);
1637 return (VNET_L3_PACKET_TYPE_IP6);
1638 case VNET_LINK_MPLS:
1639 return (VNET_L3_PACKET_TYPE_MPLS);
1641 return (VNET_L3_PACKET_TYPE_ARP);
1642 case VNET_LINK_ETHERNET:
1652 vnet_link_to_mtu (vnet_link_t link)
1657 return (VNET_MTU_IP4);
1659 return (VNET_MTU_IP6);
1660 case VNET_LINK_MPLS:
1661 return (VNET_MTU_MPLS);
1663 return (VNET_MTU_L3);
1668 default_build_rewrite (vnet_main_t * vnm,
1670 vnet_link_t link_type, const void *dst_address)
1676 default_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai)
1678 ip_adjacency_t *adj;
1682 switch (adj->lookup_next_index)
1684 case IP_LOOKUP_NEXT_GLEAN:
1685 adj_glean_update_rewrite (ai);
1687 case IP_LOOKUP_NEXT_ARP:
1688 case IP_LOOKUP_NEXT_BCAST:
1690 * default rewrite in neighbour adj
1692 adj_nbr_update_rewrite
1694 ADJ_NBR_REWRITE_FLAG_COMPLETE,
1695 vnet_build_rewrite_for_sw_interface (vnm,
1697 adj_get_link_type (ai), NULL));
1699 case IP_LOOKUP_NEXT_MCAST:
1701 * mcast traffic also uses default rewrite string with no mcast
1702 * switch time updates.
1704 adj_mcast_update_rewrite
1706 vnet_build_rewrite_for_sw_interface (vnm,
1708 adj_get_link_type (ai),
1711 case IP_LOOKUP_NEXT_DROP:
1712 case IP_LOOKUP_NEXT_PUNT:
1713 case IP_LOOKUP_NEXT_LOCAL:
1714 case IP_LOOKUP_NEXT_REWRITE:
1715 case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
1716 case IP_LOOKUP_NEXT_MIDCHAIN:
1717 case IP_LOOKUP_NEXT_ICMP_ERROR:
1718 case IP_LOOKUP_N_NEXT:
1725 vnet_hw_interface_set_rss_queues (vnet_main_t * vnm,
1726 vnet_hw_interface_t * hi,
1727 clib_bitmap_t * bitmap)
1729 clib_error_t *error = 0;
1730 vnet_device_class_t *dev_class =
1731 vnet_get_device_class (vnm, hi->dev_class_index);
1733 if (dev_class->set_rss_queues_function)
1735 if (clib_bitmap_count_set_bits (bitmap) == 0)
1737 error = clib_error_return (0,
1738 "must assign at least one valid rss queue");
1742 error = dev_class->set_rss_queues_function (vnm, hi, bitmap);
1746 error = clib_error_return (0,
1747 "setting rss queues is not supported on this interface");
1752 clib_bitmap_free (hi->rss_queues);
1753 hi->rss_queues = clib_bitmap_dup (bitmap);
1758 log_err ("hw_set_rss_queues: %U", format_clib_error, error);
1762 int collect_detailed_interface_stats_flag = 0;
1765 collect_detailed_interface_stats_flag_set (void)
1767 collect_detailed_interface_stats_flag = 1;
1771 collect_detailed_interface_stats_flag_clear (void)
1773 collect_detailed_interface_stats_flag = 0;
1776 static clib_error_t *
1777 collect_detailed_interface_stats_cli (vlib_main_t * vm,
1778 unformat_input_t * input,
1779 vlib_cli_command_t * cmd)
1781 unformat_input_t _line_input, *line_input = &_line_input;
1782 clib_error_t *error = NULL;
1784 /* Get a line of input. */
1785 if (!unformat_user (input, unformat_line_input, line_input))
1786 return clib_error_return (0, "expected enable | disable");
1788 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1790 if (unformat (line_input, "enable") || unformat (line_input, "on"))
1791 collect_detailed_interface_stats_flag_set ();
1792 else if (unformat (line_input, "disable")
1793 || unformat (line_input, "off"))
1794 collect_detailed_interface_stats_flag_clear ();
1797 error = clib_error_return (0, "unknown input `%U'",
1798 format_unformat_error, line_input);
1804 unformat_free (line_input);
1809 VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = {
1810 .path = "interface collect detailed-stats",
1811 .short_help = "interface collect detailed-stats <enable|disable>",
1812 .function = collect_detailed_interface_stats_cli,
1817 * fd.io coding-style-patch-verification: ON
1820 * eval: (c-set-style "gnu")