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.h: 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 #ifndef included_vnet_interface_h
41 #define included_vnet_interface_h
43 #include <vnet/unix/pcap.h>
44 #include <vnet/l3_types.h>
47 struct vnet_hw_interface_t;
48 struct vnet_sw_interface_t;
49 struct ip46_address_t;
53 VNET_HW_INTERFACE_RX_MODE_UNKNOWN,
54 VNET_HW_INTERFACE_RX_MODE_POLLING,
55 VNET_HW_INTERFACE_RX_MODE_INTERRUPT,
56 VNET_HW_INTERFACE_RX_MODE_ADAPTIVE,
57 VNET_HW_INTERFACE_NUM_RX_MODES,
58 } vnet_hw_interface_rx_mode;
60 /* Interface up/down callback. */
61 typedef clib_error_t *(vnet_interface_function_t)
62 (struct vnet_main_t * vnm, u32 if_index, u32 flags);
64 /* Sub-interface add/del callback. */
65 typedef clib_error_t *(vnet_subif_add_del_function_t)
66 (struct vnet_main_t * vnm, u32 if_index,
67 struct vnet_sw_interface_t * template, int is_add);
69 /* Interface set mac address callback. */
70 typedef clib_error_t *(vnet_interface_set_mac_address_function_t)
71 (struct vnet_hw_interface_t * hi, char *address);
73 /* Interface set rx mode callback. */
74 typedef clib_error_t *(vnet_interface_set_rx_mode_function_t)
75 (struct vnet_main_t * vnm, u32 if_index, u32 queue_id,
76 vnet_hw_interface_rx_mode mode);
78 typedef enum vnet_interface_function_priority_t_
80 VNET_ITF_FUNC_PRIORITY_LOW,
81 VNET_ITF_FUNC_PRIORITY_HIGH,
82 } vnet_interface_function_priority_t;
83 #define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
85 typedef struct _vnet_interface_function_list_elt
87 struct _vnet_interface_function_list_elt *next_interface_function;
88 clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
89 } _vnet_interface_function_list_elt_t;
91 #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
93 static void __vnet_interface_function_init_##tag##_##f (void) \
94 __attribute__((__constructor__)) ; \
96 static void __vnet_interface_function_init_##tag##_##f (void) \
98 vnet_main_t * vnm = vnet_get_main(); \
99 static _vnet_interface_function_list_elt_t init_function; \
100 init_function.next_interface_function = \
101 vnm->tag##_functions[VNET_ITF_FUNC_PRIORITY_LOW]; \
102 vnm->tag##_functions[VNET_ITF_FUNC_PRIORITY_LOW] = &init_function; \
103 init_function.fp = (void *) &f; \
106 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
108 static void __vnet_interface_function_init_##tag##_##f (void) \
109 __attribute__((__constructor__)) ; \
111 static void __vnet_interface_function_init_##tag##_##f (void) \
113 vnet_main_t * vnm = vnet_get_main(); \
114 static _vnet_interface_function_list_elt_t init_function; \
115 init_function.next_interface_function = vnm->tag##_functions[p]; \
116 vnm->tag##_functions[p] = &init_function; \
117 init_function.fp = (void *) &f; \
120 #define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
121 _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
122 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
123 _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
124 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
125 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
126 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
127 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
128 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
129 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
130 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
131 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
133 /* A class of hardware interface devices. */
134 typedef struct _vnet_device_class
136 /* Index into main vector. */
139 /* Device name (e.g. "FOOBAR 1234a"). */
142 /* Function to call when hardware interface is added/deleted. */
143 vnet_interface_function_t *interface_add_del_function;
145 /* Function to bring device administratively up/down. */
146 vnet_interface_function_t *admin_up_down_function;
148 /* Function to call when sub-interface is added/deleted */
149 vnet_subif_add_del_function_t *subif_add_del_function;
151 /* Function to call interface rx mode is changed */
152 vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
154 /* Redistribute flag changes/existence of this interface class. */
157 /* Transmit function. */
158 vlib_node_function_t *tx_function;
160 /* Error strings indexed by error code for this node. */
161 char **tx_function_error_strings;
163 /* Number of error codes used by this node. */
164 u32 tx_function_n_errors;
166 /* Renumber device name [only!] support, a control-plane kludge */
167 int (*name_renumber) (struct vnet_hw_interface_t * hi,
168 u32 new_dev_instance);
170 /* Format device instance as name. */
171 format_function_t *format_device_name;
173 /* Parse function for device name. */
174 unformat_function_t *unformat_device_name;
176 /* Format device verbosely for this class. */
177 format_function_t *format_device;
179 /* Trace buffer format for TX function. */
180 format_function_t *format_tx_trace;
182 /* Function to clear hardware counters for device. */
183 void (*clear_counters) (u32 dev_class_instance);
185 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
189 /* Called when hardware class of an interface changes. */
190 void (*hw_class_change) (struct vnet_main_t * vnm,
191 u32 hw_if_index, u32 new_hw_class_index);
193 /* Called to redirect traffic from a specific interface instance */
194 void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
195 u32 hw_if_index, u32 node_index);
197 /* Link-list of all device classes set up by constructors created below */
198 struct _vnet_device_class *next_class_registration;
200 /* Splice vnet_interface_output_node into TX path */
201 u8 flatten_output_chains;
203 /* Function to set mac address. */
204 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
205 } vnet_device_class_t;
207 #define VNET_DEVICE_CLASS(x,...) \
208 __VA_ARGS__ vnet_device_class_t x; \
209 static void __vnet_add_device_class_registration_##x (void) \
210 __attribute__((__constructor__)) ; \
211 static void __vnet_add_device_class_registration_##x (void) \
213 vnet_main_t * vnm = vnet_get_main(); \
214 x.next_class_registration = vnm->device_class_registrations; \
215 vnm->device_class_registrations = &x; \
217 __VA_ARGS__ vnet_device_class_t x
219 #define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
221 __attribute__ ((flatten)) \
222 __attribute__ ((target (tgt))) \
224 fn ## _ ## arch ( vlib_main_t * vm, \
225 vlib_node_runtime_t * node, \
226 vlib_frame_t * frame) \
227 { return fn (vm, node, frame); }
229 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
230 foreach_march_variant(VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE, fn)
233 #define VLIB_MULTIARCH_CLONE_AND_SELECT_FN(fn,...)
234 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn)
236 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn) \
237 VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
238 CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
239 static void __attribute__((__constructor__)) \
240 __vlib_device_tx_function_multiarch_select_##dev (void) \
241 { dev.tx_function = fn ## _multiarch_select(); }
245 * Link Type: A description of the protocol of packets on the link.
246 * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
247 * it maps to the GRE-proto, etc for other lnk types.
249 typedef enum vnet_link_t_
261 } __attribute__ ((packed)) vnet_link_t;
263 #define VNET_LINKS { \
264 [VNET_LINK_ETHERNET] = "ethernet", \
265 [VNET_LINK_IP4] = "ipv4", \
266 [VNET_LINK_IP6] = "ipv6", \
267 [VNET_LINK_MPLS] = "mpls", \
268 [VNET_LINK_ARP] = "arp", \
269 [VNET_LINK_NSH] = "nsh", \
273 * @brief Number of link types. Not part of the enum so it does not have to be included in
276 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
279 * @brief Convert a link to to an Ethertype
281 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
284 * @brief Attributes assignable to a HW interface Class.
286 typedef enum vnet_hw_interface_class_flags_t_
289 * @brief a point 2 point interface
291 VNET_HW_INTERFACE_CLASS_FLAG_P2P = (1 << 0),
292 } vnet_hw_interface_class_flags_t;
294 /* Layer-2 (e.g. Ethernet) interface class. */
295 typedef struct _vnet_hw_interface_class
297 /* Index into main vector. */
300 /* Class name (e.g. "Ethernet"). */
304 vnet_hw_interface_class_flags_t flags;
306 /* Function to call when hardware interface is added/deleted. */
307 vnet_interface_function_t *interface_add_del_function;
309 /* Function to bring interface administratively up/down. */
310 vnet_interface_function_t *admin_up_down_function;
312 /* Function to call when link state changes. */
313 vnet_interface_function_t *link_up_down_function;
315 /* Function to call when link MAC changes. */
316 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
318 /* Format function to display interface name. */
319 format_function_t *format_interface_name;
321 /* Format function to display interface address. */
322 format_function_t *format_address;
324 /* Format packet header for this interface class. */
325 format_function_t *format_header;
327 /* Format device verbosely for this class. */
328 format_function_t *format_device;
330 /* Parser for hardware (e.g. ethernet) address. */
331 unformat_function_t *unformat_hw_address;
333 /* Parser for packet header for e.g. rewrite string. */
334 unformat_function_t *unformat_header;
336 /* Builds a rewrite string for the interface to the destination
337 * for the payload/link type. */
338 u8 *(*build_rewrite) (struct vnet_main_t * vnm,
340 vnet_link_t link_type, const void *dst_hw_address);
342 /* Update an adjacecny added by FIB (as opposed to via the
343 * neighbour resolution protocol). */
344 void (*update_adjacency) (struct vnet_main_t * vnm,
345 u32 sw_if_index, u32 adj_index);
347 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
351 /* Called when hw interface class is changed and old hardware instance
352 may want to be deleted. */
353 void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
354 u32 old_class_index, u32 new_class_index);
356 /* List of hw interface classes, built by constructors */
357 struct _vnet_hw_interface_class *next_class_registration;
359 } vnet_hw_interface_class_t;
362 * @brief Return a complete, zero-length (aka dummy) rewrite
364 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
366 vnet_link_t link_type,
367 const void *dst_hw_address);
370 * @brief Default adjacency update function
372 extern void default_update_adjacency (struct vnet_main_t *vnm,
373 u32 sw_if_index, u32 adj_index);
375 #define VNET_HW_INTERFACE_CLASS(x,...) \
376 __VA_ARGS__ vnet_hw_interface_class_t x; \
377 static void __vnet_add_hw_interface_class_registration_##x (void) \
378 __attribute__((__constructor__)) ; \
379 static void __vnet_add_hw_interface_class_registration_##x (void) \
381 vnet_main_t * vnm = vnet_get_main(); \
382 x.next_class_registration = vnm->hw_interface_class_registrations; \
383 vnm->hw_interface_class_registrations = &x; \
385 __VA_ARGS__ vnet_hw_interface_class_t x
387 /* Hardware-interface. This corresponds to a physical wire
388 that packets flow over. */
389 typedef struct vnet_hw_interface_t
391 /* Interface name. */
395 /* Hardware link state is up. */
396 #define VNET_HW_INTERFACE_FLAG_LINK_UP (1 << 0)
397 /* Hardware duplex state */
398 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
399 #define VNET_HW_INTERFACE_FLAG_HALF_DUPLEX (1 << 1)
400 #define VNET_HW_INTERFACE_FLAG_FULL_DUPLEX (1 << 2)
401 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
402 (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
403 VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
405 /* Hardware link speed */
406 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
407 #define VNET_HW_INTERFACE_FLAG_SPEED_10M (1 << 3)
408 #define VNET_HW_INTERFACE_FLAG_SPEED_100M (1 << 4)
409 #define VNET_HW_INTERFACE_FLAG_SPEED_1G (1 << 5)
410 #define VNET_HW_INTERFACE_FLAG_SPEED_10G (1 << 6)
411 #define VNET_HW_INTERFACE_FLAG_SPEED_40G (1 << 7)
412 #define VNET_HW_INTERFACE_FLAG_SPEED_100G (1 << 8)
413 #define VNET_HW_INTERFACE_FLAG_SPEED_MASK \
414 (VNET_HW_INTERFACE_FLAG_SPEED_10M | \
415 VNET_HW_INTERFACE_FLAG_SPEED_100M | \
416 VNET_HW_INTERFACE_FLAG_SPEED_1G | \
417 VNET_HW_INTERFACE_FLAG_SPEED_10G | \
418 VNET_HW_INTERFACE_FLAG_SPEED_40G | \
419 VNET_HW_INTERFACE_FLAG_SPEED_100G)
421 /* l2output node flags */
422 #define VNET_HW_INTERFACE_FLAG_L2OUTPUT_SHIFT 9
423 #define VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED (1 << 9)
426 #define VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE (1 << 10)
428 /* Hardware address as vector. Zero (e.g. zero-length vector) if no
429 address for this class (e.g. PPP). */
432 /* Interface is up as far as software is concerned. */
433 /* NAME.{output,tx} nodes for this interface. */
434 u32 output_node_index, tx_node_index;
436 /* (dev_class, dev_instance) uniquely identifies hw interface. */
440 /* (hw_class, hw_instance) uniquely identifies hw interface. */
444 /* Hardware index for this hardware interface. */
447 /* Software index for this hardware interface. */
450 /* Maximum transmit rate for this interface in bits/sec. */
451 f64 max_rate_bits_per_sec;
453 /* Smallest packet size supported by this interface. */
454 u32 min_supported_packet_bytes;
456 /* Largest packet size supported by this interface. */
457 u32 max_supported_packet_bytes;
459 /* Smallest packet size for this interface. */
460 u32 min_packet_bytes;
462 /* Largest packet size for this interface. */
463 u32 max_packet_bytes;
465 /* Number of extra bytes that go on the wire.
466 Packet length on wire
467 = max (length + per_packet_overhead_bytes, min_packet_bytes). */
468 u32 per_packet_overhead_bytes;
470 /* Receive and transmit layer 3 packet size limits (MRU/MTU). */
471 u32 max_l3_packet_bytes[VLIB_N_RX_TX];
473 /* Hash table mapping sub interface id to sw_if_index. */
474 uword *sub_interface_sw_if_index_by_id;
476 /* Count of number of L2 subinterfaces */
479 /* Bonded interface info -
480 0 - not a bonded interface nor a slave
481 ~0 - slave to a bonded interface
482 others - A bonded interface with a pointer to bitmap for all slaves */
484 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
485 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
488 u32 input_node_index;
490 /* input node cpu index by queue */
491 u32 *input_node_thread_index_by_queue;
493 /* vnet_hw_interface_rx_mode by queue */
494 u8 *rx_mode_by_queue;
496 /* device input device_and_queue runtime index */
497 uword *dq_runtime_index_by_queue;
499 } vnet_hw_interface_t;
501 extern vnet_device_class_t vnet_local_interface_device_class;
505 /* A hw interface. */
506 VNET_SW_INTERFACE_TYPE_HARDWARE,
508 /* A sub-interface. */
509 VNET_SW_INTERFACE_TYPE_SUB,
510 } vnet_sw_interface_type_t;
515 * Subinterface ID. A number 0-N to uniquely identify
516 * this subinterface under the main (parent?) interface
520 /* Classification data. Used to associate packet header with subinterface. */
533 u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
536 u16 outer_vlan_id_any:1;
537 u16 inner_vlan_id_any:1;
541 } vnet_sub_interface_t;
546 VNET_FLOOD_CLASS_NORMAL,
547 VNET_FLOOD_CLASS_TUNNEL_MASTER,
548 /* Does not flood when tunnel master is in the same L2 BD */
549 VNET_FLOOD_CLASS_TUNNEL_NORMAL
550 } vnet_flood_class_t;
552 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
553 tunnel, etc. Configuration (e.g. IP address) gets attached to
554 software interface. */
557 vnet_sw_interface_type_t type:16;
560 /* Interface is "up" meaning adminstratively up.
561 Up in the sense of link state being up is maintained by hardware interface. */
562 #define VNET_SW_INTERFACE_FLAG_ADMIN_UP (1 << 0)
564 /* Interface is disabled for forwarding: punt all traffic to slow-path. */
565 #define VNET_SW_INTERFACE_FLAG_PUNT (1 << 1)
567 #define VNET_SW_INTERFACE_FLAG_PROXY_ARP (1 << 2)
569 #define VNET_SW_INTERFACE_FLAG_UNNUMBERED (1 << 3)
571 #define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
573 /* Interface does not appear in CLI/API */
574 #define VNET_SW_INTERFACE_FLAG_HIDDEN (1 << 5)
576 /* Index for this interface. */
579 /* Software interface index of super-interface;
580 equal to sw_if_index if this interface is not a
584 /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
585 u32 unnumbered_sw_if_index;
591 /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
594 /* VNET_SW_INTERFACE_TYPE_SUB. */
595 vnet_sub_interface_t sub;
598 vnet_flood_class_t flood_class;
599 } vnet_sw_interface_t;
603 /* Simple counters. */
604 VNET_INTERFACE_COUNTER_DROP = 0,
605 VNET_INTERFACE_COUNTER_PUNT = 1,
606 VNET_INTERFACE_COUNTER_IP4 = 2,
607 VNET_INTERFACE_COUNTER_IP6 = 3,
608 VNET_INTERFACE_COUNTER_RX_NO_BUF = 4,
609 VNET_INTERFACE_COUNTER_RX_MISS = 5,
610 VNET_INTERFACE_COUNTER_RX_ERROR = 6,
611 VNET_INTERFACE_COUNTER_TX_ERROR = 7,
612 VNET_INTERFACE_COUNTER_MPLS = 8,
613 VNET_N_SIMPLE_INTERFACE_COUNTER = 9,
614 /* Combined counters. */
615 VNET_INTERFACE_COUNTER_RX = 0,
616 VNET_INTERFACE_COUNTER_TX = 1,
617 VNET_N_COMBINED_INTERFACE_COUNTER = 2,
618 } vnet_interface_counter_type_t;
622 u32 output_node_index;
624 } vnet_hw_interface_nodes_t;
628 /* Hardware interfaces. */
629 vnet_hw_interface_t *hw_interfaces;
631 /* Hash table mapping HW interface name to index. */
632 uword *hw_interface_by_name;
634 /* Vectors if hardware interface classes and device classes. */
635 vnet_hw_interface_class_t *hw_interface_classes;
636 vnet_device_class_t *device_classes;
638 /* Hash table mapping name to hw interface/device class. */
639 uword *hw_interface_class_by_name;
640 uword *device_class_by_name;
642 /* Software interfaces. */
643 vnet_sw_interface_t *sw_interfaces;
645 /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
646 uword *sw_if_index_by_sup_and_sub;
648 /* Software interface counters both simple and combined
649 packet and byte counters. */
650 volatile u32 *sw_if_counter_lock;
651 vlib_simple_counter_main_t *sw_if_counters;
652 vlib_combined_counter_main_t *combined_sw_if_counters;
654 vnet_hw_interface_nodes_t *deleted_hw_interface_nodes;
656 /* pcap drop tracing */
657 int drop_pcap_enable;
658 pcap_main_t pcap_main;
660 u32 pcap_sw_if_index;
661 u32 pcap_pkts_to_capture;
662 uword *pcap_drop_filter_hash;
664 /* feature_arc_index */
665 u8 output_feature_arc_index;
666 } vnet_interface_main_t;
669 vnet_interface_counter_lock (vnet_interface_main_t * im)
671 if (im->sw_if_counter_lock)
672 while (__sync_lock_test_and_set (im->sw_if_counter_lock, 1))
677 vnet_interface_counter_unlock (vnet_interface_main_t * im)
679 if (im->sw_if_counter_lock)
680 *im->sw_if_counter_lock = 0;
683 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
685 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
687 #endif /* included_vnet_interface_h */
690 * fd.io coding-style-patch-verification: ON
693 * eval: (c-set-style "gnu")