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_RX_MODE_DEFAULT,
58 VNET_HW_INTERFACE_NUM_RX_MODES,
59 } vnet_hw_interface_rx_mode;
61 /* Interface up/down callback. */
62 typedef clib_error_t *(vnet_interface_function_t)
63 (struct vnet_main_t * vnm, u32 if_index, u32 flags);
65 /* Sub-interface add/del callback. */
66 typedef clib_error_t *(vnet_subif_add_del_function_t)
67 (struct vnet_main_t * vnm, u32 if_index,
68 struct vnet_sw_interface_t * template, int is_add);
70 /* Interface set mac address callback. */
71 typedef clib_error_t *(vnet_interface_set_mac_address_function_t)
72 (struct vnet_hw_interface_t * hi, char *address);
74 /* Interface set rx mode callback. */
75 typedef clib_error_t *(vnet_interface_set_rx_mode_function_t)
76 (struct vnet_main_t * vnm, u32 if_index, u32 queue_id,
77 vnet_hw_interface_rx_mode mode);
79 typedef enum vnet_interface_function_priority_t_
81 VNET_ITF_FUNC_PRIORITY_LOW,
82 VNET_ITF_FUNC_PRIORITY_HIGH,
83 } vnet_interface_function_priority_t;
84 #define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
86 typedef struct _vnet_interface_function_list_elt
88 struct _vnet_interface_function_list_elt *next_interface_function;
89 clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
90 } _vnet_interface_function_list_elt_t;
92 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
94 static void __vnet_interface_function_init_##tag##_##f (void) \
95 __attribute__((__constructor__)) ; \
97 static void __vnet_interface_function_init_##tag##_##f (void) \
99 vnet_main_t * vnm = vnet_get_main(); \
100 static _vnet_interface_function_list_elt_t init_function; \
101 init_function.next_interface_function = vnm->tag##_functions[p]; \
102 vnm->tag##_functions[p] = &init_function; \
103 init_function.fp = (void *) &f; \
106 #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
107 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
109 #define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
110 _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
111 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
112 _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
113 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
114 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
115 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
116 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
117 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
118 _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
119 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
120 _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
122 /* A class of hardware interface devices. */
123 typedef struct _vnet_device_class
125 /* Index into main vector. */
128 /* Device name (e.g. "FOOBAR 1234a"). */
131 /* Function to call when hardware interface is added/deleted. */
132 vnet_interface_function_t *interface_add_del_function;
134 /* Function to bring device administratively up/down. */
135 vnet_interface_function_t *admin_up_down_function;
137 /* Function to call when sub-interface is added/deleted */
138 vnet_subif_add_del_function_t *subif_add_del_function;
140 /* Function to call interface rx mode is changed */
141 vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
143 /* Redistribute flag changes/existence of this interface class. */
146 /* Transmit function. */
147 vlib_node_function_t *tx_function;
149 /* Error strings indexed by error code for this node. */
150 char **tx_function_error_strings;
152 /* Number of error codes used by this node. */
153 u32 tx_function_n_errors;
155 /* Renumber device name [only!] support, a control-plane kludge */
156 int (*name_renumber) (struct vnet_hw_interface_t * hi,
157 u32 new_dev_instance);
159 /* Format device instance as name. */
160 format_function_t *format_device_name;
162 /* Parse function for device name. */
163 unformat_function_t *unformat_device_name;
165 /* Format device verbosely for this class. */
166 format_function_t *format_device;
168 /* Trace buffer format for TX function. */
169 format_function_t *format_tx_trace;
171 /* Function to clear hardware counters for device. */
172 void (*clear_counters) (u32 dev_class_instance);
174 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
178 /* Called when hardware class of an interface changes. */
179 void (*hw_class_change) (struct vnet_main_t * vnm,
180 u32 hw_if_index, u32 new_hw_class_index);
182 /* Called to redirect traffic from a specific interface instance */
183 void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
184 u32 hw_if_index, u32 node_index);
186 /* Link-list of all device classes set up by constructors created below */
187 struct _vnet_device_class *next_class_registration;
189 /* Function to set mac address. */
190 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
191 } vnet_device_class_t;
193 #define VNET_DEVICE_CLASS(x,...) \
194 __VA_ARGS__ vnet_device_class_t x; \
195 static void __vnet_add_device_class_registration_##x (void) \
196 __attribute__((__constructor__)) ; \
197 static void __vnet_add_device_class_registration_##x (void) \
199 vnet_main_t * vnm = vnet_get_main(); \
200 x.next_class_registration = vnm->device_class_registrations; \
201 vnm->device_class_registrations = &x; \
203 __VA_ARGS__ vnet_device_class_t x
205 #define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
207 __attribute__ ((flatten)) \
208 __attribute__ ((target (tgt))) \
210 fn ## _ ## arch ( vlib_main_t * vm, \
211 vlib_node_runtime_t * node, \
212 vlib_frame_t * frame) \
213 { return fn (vm, node, frame); }
215 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
216 foreach_march_variant(VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE, fn)
219 #define VLIB_MULTIARCH_CLONE_AND_SELECT_FN(fn,...)
220 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn)
222 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn) \
223 VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
224 CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
225 static void __attribute__((__constructor__)) \
226 __vlib_device_tx_function_multiarch_select_##dev (void) \
227 { dev.tx_function = fn ## _multiarch_select(); }
231 * Link Type: A description of the protocol of packets on the link.
232 * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
233 * it maps to the GRE-proto, etc for other lnk types.
235 typedef enum vnet_link_t_
247 } __attribute__ ((packed)) vnet_link_t;
249 #define VNET_LINKS { \
250 [VNET_LINK_ETHERNET] = "ethernet", \
251 [VNET_LINK_IP4] = "ipv4", \
252 [VNET_LINK_IP6] = "ipv6", \
253 [VNET_LINK_MPLS] = "mpls", \
254 [VNET_LINK_ARP] = "arp", \
255 [VNET_LINK_NSH] = "nsh", \
259 * @brief Number of link types. Not part of the enum so it does not have to be included in
262 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
265 * @brief Convert a link to to an Ethertype
267 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
270 * @brief Attributes assignable to a HW interface Class.
272 typedef enum vnet_hw_interface_class_flags_t_
275 * @brief a point 2 point interface
277 VNET_HW_INTERFACE_CLASS_FLAG_P2P = (1 << 0),
278 } vnet_hw_interface_class_flags_t;
280 /* Layer-2 (e.g. Ethernet) interface class. */
281 typedef struct _vnet_hw_interface_class
283 /* Index into main vector. */
286 /* Class name (e.g. "Ethernet"). */
290 vnet_hw_interface_class_flags_t flags;
292 /* Function to call when hardware interface is added/deleted. */
293 vnet_interface_function_t *interface_add_del_function;
295 /* Function to bring interface administratively up/down. */
296 vnet_interface_function_t *admin_up_down_function;
298 /* Function to call when link state changes. */
299 vnet_interface_function_t *link_up_down_function;
301 /* Function to call when link MAC changes. */
302 vnet_interface_set_mac_address_function_t *mac_addr_change_function;
304 /* Format function to display interface name. */
305 format_function_t *format_interface_name;
307 /* Format function to display interface address. */
308 format_function_t *format_address;
310 /* Format packet header for this interface class. */
311 format_function_t *format_header;
313 /* Format device verbosely for this class. */
314 format_function_t *format_device;
316 /* Parser for hardware (e.g. ethernet) address. */
317 unformat_function_t *unformat_hw_address;
319 /* Parser for packet header for e.g. rewrite string. */
320 unformat_function_t *unformat_header;
322 /* Builds a rewrite string for the interface to the destination
323 * for the payload/link type. */
324 u8 *(*build_rewrite) (struct vnet_main_t * vnm,
326 vnet_link_t link_type, const void *dst_hw_address);
328 /* Update an adjacecny added by FIB (as opposed to via the
329 * neighbour resolution protocol). */
330 void (*update_adjacency) (struct vnet_main_t * vnm,
331 u32 sw_if_index, u32 adj_index);
333 uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
337 /* Called when hw interface class is changed and old hardware instance
338 may want to be deleted. */
339 void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
340 u32 old_class_index, u32 new_class_index);
342 /* List of hw interface classes, built by constructors */
343 struct _vnet_hw_interface_class *next_class_registration;
345 } vnet_hw_interface_class_t;
348 * @brief Return a complete, zero-length (aka dummy) rewrite
350 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
352 vnet_link_t link_type,
353 const void *dst_hw_address);
356 * @brief Default adjacency update function
358 extern void default_update_adjacency (struct vnet_main_t *vnm,
359 u32 sw_if_index, u32 adj_index);
361 #define VNET_HW_INTERFACE_CLASS(x,...) \
362 __VA_ARGS__ vnet_hw_interface_class_t x; \
363 static void __vnet_add_hw_interface_class_registration_##x (void) \
364 __attribute__((__constructor__)) ; \
365 static void __vnet_add_hw_interface_class_registration_##x (void) \
367 vnet_main_t * vnm = vnet_get_main(); \
368 x.next_class_registration = vnm->hw_interface_class_registrations; \
369 vnm->hw_interface_class_registrations = &x; \
371 __VA_ARGS__ vnet_hw_interface_class_t x
373 /* Hardware-interface. This corresponds to a physical wire
374 that packets flow over. */
375 typedef struct vnet_hw_interface_t
377 /* Interface name. */
381 /* Hardware link state is up. */
382 #define VNET_HW_INTERFACE_FLAG_LINK_UP (1 << 0)
383 /* Hardware duplex state */
384 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
385 #define VNET_HW_INTERFACE_FLAG_HALF_DUPLEX (1 << 1)
386 #define VNET_HW_INTERFACE_FLAG_FULL_DUPLEX (1 << 2)
387 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
388 (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
389 VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
391 /* Hardware link speed */
392 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
393 #define VNET_HW_INTERFACE_FLAG_SPEED_10M (1 << 3)
394 #define VNET_HW_INTERFACE_FLAG_SPEED_100M (1 << 4)
395 #define VNET_HW_INTERFACE_FLAG_SPEED_1G (1 << 5)
396 #define VNET_HW_INTERFACE_FLAG_SPEED_10G (1 << 6)
397 #define VNET_HW_INTERFACE_FLAG_SPEED_25G (1 << 7)
398 #define VNET_HW_INTERFACE_FLAG_SPEED_40G (1 << 8)
399 #define VNET_HW_INTERFACE_FLAG_SPEED_100G (1 << 9)
400 #define VNET_HW_INTERFACE_FLAG_SPEED_MASK \
401 (VNET_HW_INTERFACE_FLAG_SPEED_10M | \
402 VNET_HW_INTERFACE_FLAG_SPEED_100M | \
403 VNET_HW_INTERFACE_FLAG_SPEED_1G | \
404 VNET_HW_INTERFACE_FLAG_SPEED_10G | \
405 VNET_HW_INTERFACE_FLAG_SPEED_25G | \
406 VNET_HW_INTERFACE_FLAG_SPEED_40G | \
407 VNET_HW_INTERFACE_FLAG_SPEED_100G)
410 #define VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE (1 << 10)
412 /* tx checksum offload */
413 #define VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD (1 << 11)
415 /* Hardware address as vector. Zero (e.g. zero-length vector) if no
416 address for this class (e.g. PPP). */
419 /* Interface is up as far as software is concerned. */
420 /* NAME.{output,tx} nodes for this interface. */
421 u32 output_node_index, tx_node_index;
423 /* (dev_class, dev_instance) uniquely identifies hw interface. */
427 /* (hw_class, hw_instance) uniquely identifies hw interface. */
431 /* Hardware index for this hardware interface. */
434 /* Software index for this hardware interface. */
437 /* Next index in interface-output node for this interface
438 used by node function vnet_per_buffer_interface_output() */
439 u32 output_node_next_index;
441 /* Maximum transmit rate for this interface in bits/sec. */
442 f64 max_rate_bits_per_sec;
444 /* Smallest packet size supported by this interface. */
445 u32 min_supported_packet_bytes;
447 /* Largest packet size supported by this interface. */
448 u32 max_supported_packet_bytes;
450 /* Smallest packet size for this interface. */
451 u32 min_packet_bytes;
453 /* Largest packet size for this interface. */
454 u32 max_packet_bytes;
456 /* Number of extra bytes that go on the wire.
457 Packet length on wire
458 = max (length + per_packet_overhead_bytes, min_packet_bytes). */
459 u32 per_packet_overhead_bytes;
461 /* Receive and transmit layer 3 packet size limits (MRU/MTU). */
462 u32 max_l3_packet_bytes[VLIB_N_RX_TX];
464 /* Hash table mapping sub interface id to sw_if_index. */
465 uword *sub_interface_sw_if_index_by_id;
467 /* Count of number of L2 subinterfaces */
470 /* Bonded interface info -
471 0 - not a bonded interface nor a slave
472 ~0 - slave to a bonded interface
473 others - A bonded interface with a pointer to bitmap for all slaves */
475 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
476 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
479 u32 input_node_index;
481 /* input node cpu index by queue */
482 u32 *input_node_thread_index_by_queue;
484 /* vnet_hw_interface_rx_mode by queue */
485 u8 *rx_mode_by_queue;
486 vnet_hw_interface_rx_mode default_rx_mode;
488 /* device input device_and_queue runtime index */
489 uword *dq_runtime_index_by_queue;
491 } vnet_hw_interface_t;
493 extern vnet_device_class_t vnet_local_interface_device_class;
497 /* A hw interface. */
498 VNET_SW_INTERFACE_TYPE_HARDWARE,
500 /* A sub-interface. */
501 VNET_SW_INTERFACE_TYPE_SUB,
502 VNET_SW_INTERFACE_TYPE_P2P,
503 } vnet_sw_interface_type_t;
508 * Subinterface ID. A number 0-N to uniquely identify
509 * this subinterface under the main (parent?) interface
513 /* Classification data. Used to associate packet header with subinterface. */
526 u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
529 u16 outer_vlan_id_any:1;
530 u16 inner_vlan_id_any:1;
534 } vnet_sub_interface_t;
539 * Subinterface ID. A number 0-N to uniquely identify
540 * this subinterface under the main interface
545 } vnet_p2p_sub_interface_t;
550 VNET_FLOOD_CLASS_NORMAL,
551 VNET_FLOOD_CLASS_TUNNEL_MASTER,
552 /* Does not flood when tunnel master is in the same L2 BD */
553 VNET_FLOOD_CLASS_TUNNEL_NORMAL
554 } vnet_flood_class_t;
556 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
557 tunnel, etc. Configuration (e.g. IP address) gets attached to
558 software interface. */
561 vnet_sw_interface_type_t type:16;
564 /* Interface is "up" meaning adminstratively up.
565 Up in the sense of link state being up is maintained by hardware interface. */
566 #define VNET_SW_INTERFACE_FLAG_ADMIN_UP (1 << 0)
568 /* Interface is disabled for forwarding: punt all traffic to slow-path. */
569 #define VNET_SW_INTERFACE_FLAG_PUNT (1 << 1)
571 #define VNET_SW_INTERFACE_FLAG_PROXY_ARP (1 << 2)
573 #define VNET_SW_INTERFACE_FLAG_UNNUMBERED (1 << 3)
575 #define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
577 /* Interface does not appear in CLI/API */
578 #define VNET_SW_INTERFACE_FLAG_HIDDEN (1 << 5)
580 /* Interface in ERROR state */
581 #define VNET_SW_INTERFACE_FLAG_ERROR (1 << 6)
583 /* Index for this interface. */
586 /* Software interface index of super-interface;
587 equal to sw_if_index if this interface is not a
591 /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
592 u32 unnumbered_sw_if_index;
598 /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
601 /* VNET_SW_INTERFACE_TYPE_SUB. */
602 vnet_sub_interface_t sub;
604 /* VNET_SW_INTERFACE_TYPE_P2P. */
605 vnet_p2p_sub_interface_t p2p;
608 vnet_flood_class_t flood_class;
609 } vnet_sw_interface_t;
613 /* Simple counters. */
614 VNET_INTERFACE_COUNTER_DROP = 0,
615 VNET_INTERFACE_COUNTER_PUNT = 1,
616 VNET_INTERFACE_COUNTER_IP4 = 2,
617 VNET_INTERFACE_COUNTER_IP6 = 3,
618 VNET_INTERFACE_COUNTER_RX_NO_BUF = 4,
619 VNET_INTERFACE_COUNTER_RX_MISS = 5,
620 VNET_INTERFACE_COUNTER_RX_ERROR = 6,
621 VNET_INTERFACE_COUNTER_TX_ERROR = 7,
622 VNET_INTERFACE_COUNTER_MPLS = 8,
623 VNET_N_SIMPLE_INTERFACE_COUNTER = 9,
624 /* Combined counters. */
625 VNET_INTERFACE_COUNTER_RX = 0,
626 VNET_INTERFACE_COUNTER_TX = 1,
627 VNET_N_COMBINED_INTERFACE_COUNTER = 2,
628 } vnet_interface_counter_type_t;
632 u32 output_node_index;
634 } vnet_hw_interface_nodes_t;
638 /* Hardware interfaces. */
639 vnet_hw_interface_t *hw_interfaces;
641 /* Hash table mapping HW interface name to index. */
642 uword *hw_interface_by_name;
644 /* Vectors if hardware interface classes and device classes. */
645 vnet_hw_interface_class_t *hw_interface_classes;
646 vnet_device_class_t *device_classes;
648 /* Hash table mapping name to hw interface/device class. */
649 uword *hw_interface_class_by_name;
650 uword *device_class_by_name;
652 /* Software interfaces. */
653 vnet_sw_interface_t *sw_interfaces;
655 /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
656 uword *sw_if_index_by_sup_and_sub;
658 /* Software interface counters both simple and combined
659 packet and byte counters. */
660 volatile u32 *sw_if_counter_lock;
661 vlib_simple_counter_main_t *sw_if_counters;
662 vlib_combined_counter_main_t *combined_sw_if_counters;
664 vnet_hw_interface_nodes_t *deleted_hw_interface_nodes;
666 /* pcap drop tracing */
667 int drop_pcap_enable;
668 pcap_main_t pcap_main;
670 u32 pcap_sw_if_index;
671 u32 pcap_pkts_to_capture;
672 uword *pcap_drop_filter_hash;
674 /* feature_arc_index */
675 u8 output_feature_arc_index;
676 } vnet_interface_main_t;
679 vnet_interface_counter_lock (vnet_interface_main_t * im)
681 if (im->sw_if_counter_lock)
682 while (__sync_lock_test_and_set (im->sw_if_counter_lock, 1))
687 vnet_interface_counter_unlock (vnet_interface_main_t * im)
689 if (im->sw_if_counter_lock)
690 *im->sw_if_counter_lock = 0;
693 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
695 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
697 #endif /* included_vnet_interface_h */
700 * fd.io coding-style-patch-verification: ON
703 * eval: (c-set-style "gnu")