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Vector Packet Processing
interface.h
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1 /*
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:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
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.
14  */
15 /*
16  * interface.h: VNET interfaces/sub-interfaces
17  *
18  * Copyright (c) 2008 Eliot Dresselhaus
19  *
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:
27  *
28  * The above copyright notice and this permission notice shall be
29  * included in all copies or substantial portions of the Software.
30  *
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.
38  */
39 
40 #ifndef included_vnet_interface_h
41 #define included_vnet_interface_h
42 
43 #include <vnet/unix/pcap.h>
44 #include <vnet/l3_types.h>
45 
46 struct vnet_main_t;
47 struct vnet_hw_interface_t;
48 struct vnet_sw_interface_t;
49 struct ip46_address_t;
50 
51 /* Interface up/down callback. */
53  (struct vnet_main_t * vnm, u32 if_index, u32 flags);
54 
55 /* Sub-interface add/del callback. */
57  (struct vnet_main_t * vnm, u32 if_index,
58  struct vnet_sw_interface_t * template, int is_add);
59 
60 /* Interface set mac address callback. */
62  (struct vnet_hw_interface_t * hi, char *address);
63 
65 {
69 #define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
70 
71 typedef struct _vnet_interface_function_list_elt
72 {
73  struct _vnet_interface_function_list_elt *next_interface_function;
74  clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
75 } _vnet_interface_function_list_elt_t;
76 
77 #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
78  \
79 static void __vnet_interface_function_init_##tag##_##f (void) \
80  __attribute__((__constructor__)) ; \
81  \
82 static void __vnet_interface_function_init_##tag##_##f (void) \
83 { \
84  vnet_main_t * vnm = vnet_get_main(); \
85  static _vnet_interface_function_list_elt_t init_function; \
86  init_function.next_interface_function = \
87  vnm->tag##_functions[VNET_ITF_FUNC_PRIORITY_LOW]; \
88  vnm->tag##_functions[VNET_ITF_FUNC_PRIORITY_LOW] = &init_function; \
89  init_function.fp = (void *) &f; \
90 }
91 
92 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
93  \
94 static void __vnet_interface_function_init_##tag##_##f (void) \
95  __attribute__((__constructor__)) ; \
96  \
97 static void __vnet_interface_function_init_##tag##_##f (void) \
98 { \
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; \
104 }
105 
106 #define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
107  _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
108 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
109  _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
110 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
111  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
112 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
113  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
114 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
115  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
116 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
117  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
118 
119 /* A class of hardware interface devices. */
120 typedef struct _vnet_device_class
121 {
122  /* Index into main vector. */
123  u32 index;
124 
125  /* Device name (e.g. "FOOBAR 1234a"). */
126  char *name;
127 
128  /* Function to call when hardware interface is added/deleted. */
129  vnet_interface_function_t *interface_add_del_function;
130 
131  /* Function to bring device administratively up/down. */
133 
134  /* Function to call when sub-interface is added/deleted */
135  vnet_subif_add_del_function_t *subif_add_del_function;
136 
137  /* Redistribute flag changes/existence of this interface class. */
138  u32 redistribute;
139 
140  /* Transmit function. */
141  vlib_node_function_t *tx_function;
142 
143  /* Error strings indexed by error code for this node. */
144  char **tx_function_error_strings;
145 
146  /* Number of error codes used by this node. */
147  u32 tx_function_n_errors;
148 
149  /* Renumber device name [only!] support, a control-plane kludge */
150  int (*name_renumber) (struct vnet_hw_interface_t * hi,
151  u32 new_dev_instance);
152 
153  /* Format device instance as name. */
154  format_function_t *format_device_name;
155 
156  /* Parse function for device name. */
157  unformat_function_t *unformat_device_name;
158 
159  /* Format device verbosely for this class. */
160  format_function_t *format_device;
161 
162  /* Trace buffer format for TX function. */
163  format_function_t *format_tx_trace;
164 
165  /* Function to clear hardware counters for device. */
166  void (*clear_counters) (u32 dev_class_instance);
167 
168  uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
169  u32 hw_if_index,
170  u32 hw_class_index);
171 
172  /* Called when hardware class of an interface changes. */
173  void (*hw_class_change) (struct vnet_main_t * vnm,
174  u32 hw_if_index, u32 new_hw_class_index);
175 
176  /* Called to redirect traffic from a specific interface instance */
177  void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
178  u32 hw_if_index, u32 node_index);
179 
180  /* Link-list of all device classes set up by constructors created below */
181  struct _vnet_device_class *next_class_registration;
182 
183  /* Splice vnet_interface_output_node into TX path */
184  u8 flatten_output_chains;
185 
186  /* Function to set mac address. */
187  vnet_interface_set_mac_address_function_t *mac_addr_change_function;
189 
190 #define VNET_DEVICE_CLASS(x,...) \
191  __VA_ARGS__ vnet_device_class_t x; \
192 static void __vnet_add_device_class_registration_##x (void) \
193  __attribute__((__constructor__)) ; \
194 static void __vnet_add_device_class_registration_##x (void) \
195 { \
196  vnet_main_t * vnm = vnet_get_main(); \
197  x.next_class_registration = vnm->device_class_registrations; \
198  vnm->device_class_registrations = &x; \
199 } \
200 __VA_ARGS__ vnet_device_class_t x
201 
202 #define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
203  uword \
204  __attribute__ ((flatten)) \
205  __attribute__ ((target (tgt))) \
206  CLIB_CPU_OPTIMIZED \
207  fn ## _ ## arch ( vlib_main_t * vm, \
208  vlib_node_runtime_t * node, \
209  vlib_frame_t * frame) \
210  { return fn (vm, node, frame); }
211 
212 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
213  foreach_march_variant(VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE, fn)
214 
215 #if CLIB_DEBUG > 0
216 #define VLIB_MULTIARCH_CLONE_AND_SELECT_FN(fn,...)
217 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn)
218 #else
219 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn) \
220  VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
221  CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
222  static void __attribute__((__constructor__)) \
223  __vlib_device_tx_function_multiarch_select_##dev (void) \
224  { dev.tx_function = fn ## _multiarch_select(); }
225 #endif
226 
227 /**
228  * Link Type: A description of the protocol of packets on the link.
229  * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
230  * it maps to the GRE-proto, etc for other lnk types.
231  */
232 typedef enum vnet_link_t_
233 {
234 #if CLIB_DEBUG > 0
236 #else
237  VNET_LINK_IP4 = 0,
238 #endif
243 } __attribute__ ((packed)) vnet_link_t;
244 
245 #define VNET_LINKS { \
246  [VNET_LINK_ETHERNET] = "ethernet", \
247  [VNET_LINK_IP4] = "ipv4", \
248  [VNET_LINK_IP6] = "ipv6", \
249  [VNET_LINK_MPLS] = "mpls", \
250  [VNET_LINK_ARP] = "arp", \
251 }
252 
253 /**
254  * @brief Number of link types. Not part of the enum so it does not have to be included in
255  * switch statements
256  */
257 #define VNET_LINK_NUM (VNET_LINK_ARP+1)
258 
259 /**
260  * @brief Convert a link to to an Ethertype
261  */
262 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
263 
264 /**
265  * @brief Attributes assignable to a HW interface Class.
266  */
268 {
269  /**
270  * @brief a point 2 point interface
271  */
274 
275 /* Layer-2 (e.g. Ethernet) interface class. */
276 typedef struct _vnet_hw_interface_class
277 {
278  /* Index into main vector. */
279  u32 index;
280 
281  /* Class name (e.g. "Ethernet"). */
282  char *name;
283 
284  /* Flags */
286 
287  /* Function to call when hardware interface is added/deleted. */
288  vnet_interface_function_t *interface_add_del_function;
289 
290  /* Function to bring interface administratively up/down. */
292 
293  /* Function to call when link state changes. */
295 
296  /* Function to call when link MAC changes. */
297  vnet_interface_set_mac_address_function_t *mac_addr_change_function;
298 
299  /* Format function to display interface name. */
300  format_function_t *format_interface_name;
301 
302  /* Format function to display interface address. */
303  format_function_t *format_address;
304 
305  /* Format packet header for this interface class. */
306  format_function_t *format_header;
307 
308  /* Format device verbosely for this class. */
309  format_function_t *format_device;
310 
311  /* Parser for hardware (e.g. ethernet) address. */
312  unformat_function_t *unformat_hw_address;
313 
314  /* Parser for packet header for e.g. rewrite string. */
315  unformat_function_t *unformat_header;
316 
317  /* Builds a rewrite string for the interface to the destination
318  * for the payload/link type. */
319  u8 *(*build_rewrite) (struct vnet_main_t * vnm,
320  u32 sw_if_index,
321  vnet_link_t link_type, const void *dst_hw_address);
322 
323  /* Update an adjacecny added by FIB (as opposed to via the
324  * neighbour resolution protocol). */
325  void (*update_adjacency) (struct vnet_main_t * vnm,
326  u32 sw_if_index, u32 adj_index);
327 
328  uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
329  u32 hw_if_index,
330  u32 hw_class_index);
331 
332  /* Called when hw interface class is changed and old hardware instance
333  may want to be deleted. */
334  void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
335  u32 old_class_index, u32 new_class_index);
336 
337  /* List of hw interface classes, built by constructors */
338  struct _vnet_hw_interface_class *next_class_registration;
339 
341 
342 /**
343  * @brief Return a complete, zero-length (aka dummy) rewrite
344  */
345 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
346  u32 sw_if_index,
347  vnet_link_t link_type,
348  const void *dst_hw_address);
349 
350 /**
351  * @brief Default adjacency update function
352  */
353 extern void default_update_adjacency (struct vnet_main_t *vnm,
354  u32 sw_if_index, u32 adj_index);
355 
356 #define VNET_HW_INTERFACE_CLASS(x,...) \
357  __VA_ARGS__ vnet_hw_interface_class_t x; \
358 static void __vnet_add_hw_interface_class_registration_##x (void) \
359  __attribute__((__constructor__)) ; \
360 static void __vnet_add_hw_interface_class_registration_##x (void) \
361 { \
362  vnet_main_t * vnm = vnet_get_main(); \
363  x.next_class_registration = vnm->hw_interface_class_registrations; \
364  vnm->hw_interface_class_registrations = &x; \
365 } \
366 __VA_ARGS__ vnet_hw_interface_class_t x
367 
368 /* Hardware-interface. This corresponds to a physical wire
369  that packets flow over. */
370 typedef struct vnet_hw_interface_t
371 {
372  /* Interface name. */
374 
376  /* Hardware link state is up. */
377 #define VNET_HW_INTERFACE_FLAG_LINK_UP (1 << 0)
378  /* Hardware duplex state */
379 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
380 #define VNET_HW_INTERFACE_FLAG_HALF_DUPLEX (1 << 1)
381 #define VNET_HW_INTERFACE_FLAG_FULL_DUPLEX (1 << 2)
382 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
383  (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
384  VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
385 
386  /* Hardware link speed */
387 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
388 #define VNET_HW_INTERFACE_FLAG_SPEED_10M (1 << 3)
389 #define VNET_HW_INTERFACE_FLAG_SPEED_100M (1 << 4)
390 #define VNET_HW_INTERFACE_FLAG_SPEED_1G (1 << 5)
391 #define VNET_HW_INTERFACE_FLAG_SPEED_10G (1 << 6)
392 #define VNET_HW_INTERFACE_FLAG_SPEED_40G (1 << 7)
393 #define VNET_HW_INTERFACE_FLAG_SPEED_100G (1 << 8)
394 #define VNET_HW_INTERFACE_FLAG_SPEED_MASK \
395  (VNET_HW_INTERFACE_FLAG_SPEED_10M | \
396  VNET_HW_INTERFACE_FLAG_SPEED_100M | \
397  VNET_HW_INTERFACE_FLAG_SPEED_1G | \
398  VNET_HW_INTERFACE_FLAG_SPEED_10G | \
399  VNET_HW_INTERFACE_FLAG_SPEED_40G | \
400  VNET_HW_INTERFACE_FLAG_SPEED_100G)
401 
402  /* l2output node flags */
403 #define VNET_HW_INTERFACE_FLAG_L2OUTPUT_SHIFT 9
404 #define VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED (1 << 9)
405 
406  /* Hardware address as vector. Zero (e.g. zero-length vector) if no
407  address for this class (e.g. PPP). */
409 
410  /* Interface is up as far as software is concerned. */
411  /* NAME.{output,tx} nodes for this interface. */
412  u32 output_node_index, tx_node_index;
413 
414  /* (dev_class, dev_instance) uniquely identifies hw interface. */
417 
418  /* (hw_class, hw_instance) uniquely identifies hw interface. */
421 
422  /* Hardware index for this hardware interface. */
424 
425  /* Software index for this hardware interface. */
427 
428  /* Maximum transmit rate for this interface in bits/sec. */
430 
431  /* Smallest packet size supported by this interface. */
433 
434  /* Largest packet size supported by this interface. */
436 
437  /* Smallest packet size for this interface. */
439 
440  /* Largest packet size for this interface. */
442 
443  /* Number of extra bytes that go on the wire.
444  Packet length on wire
445  = max (length + per_packet_overhead_bytes, min_packet_bytes). */
447 
448  /* Receive and transmit layer 3 packet size limits (MRU/MTU). */
449  u32 max_l3_packet_bytes[VLIB_N_RX_TX];
450 
451  /* Hash table mapping sub interface id to sw_if_index. */
453 
454  /* Count of number of L2 subinterfaces */
456 
457  /* Bonded interface info -
458  0 - not a bonded interface nor a slave
459  ~0 - slave to a bonded interface
460  others - A bonded interface with a pointer to bitmap for all slaves */
462 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
463 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
464 
466 
468 
469 typedef enum
470 {
471  /* A hw interface. */
473 
474  /* A sub-interface. */
477 
478 typedef struct
479 {
480  /*
481  * Subinterface ID. A number 0-N to uniquely identify
482  * this subinterface under the main (parent?) interface
483  */
485 
486  /* Classification data. Used to associate packet header with subinterface. */
487  struct
488  {
491  union
492  {
494  struct
495  {
496  u16 no_tags:1;
497  u16 one_tag:1;
498  u16 two_tags:1;
499  u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
500  u16 exact_match:1;
501  u16 default_sub:1;
502  u16 outer_vlan_id_any:1;
503  u16 inner_vlan_id_any:1;
504  } flags;
505  };
506  } eth;
508 
509 typedef enum
510 {
511  /* Always flood */
514  /* Does not flood when tunnel master is in the same L2 BD */
517 
518 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
519  tunnel, etc. Configuration (e.g. IP address) gets attached to
520  software interface. */
521 typedef struct
522 {
523  vnet_sw_interface_type_t type:16;
524 
526  /* Interface is "up" meaning adminstratively up.
527  Up in the sense of link state being up is maintained by hardware interface. */
528 #define VNET_SW_INTERFACE_FLAG_ADMIN_UP (1 << 0)
529 
530  /* Interface is disabled for forwarding: punt all traffic to slow-path. */
531 #define VNET_SW_INTERFACE_FLAG_PUNT (1 << 1)
532 
533 #define VNET_SW_INTERFACE_FLAG_PROXY_ARP (1 << 2)
534 
535 #define VNET_SW_INTERFACE_FLAG_UNNUMBERED (1 << 3)
536 
537 #define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
538 
539  /* Index for this interface. */
541 
542  /* Software interface index of super-interface;
543  equal to sw_if_index if this interface is not a
544  sub-interface. */
546 
547  /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
549 
551 
552  union
553  {
554  /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
556 
557  /* VNET_SW_INTERFACE_TYPE_SUB. */
559  };
560 
561  vnet_flood_class_t flood_class;
563 
564 typedef enum
565 {
566  /* Simple counters. */
577  /* Combined counters. */
582 
583 typedef struct
584 {
588 
589 typedef struct
590 {
591  /* Hardware interfaces. */
593 
594  /* Hash table mapping HW interface name to index. */
596 
597  /* Vectors if hardware interface classes and device classes. */
600 
601  /* Hash table mapping name to hw interface/device class. */
604 
605  /* Software interfaces. */
607 
608  /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
610 
611  /* Software interface counters both simple and combined
612  packet and byte counters. */
616 
618 
619  /* pcap drop tracing */
626 
627  /* feature_arc_index */
630 
631 static inline void
633 {
634  if (im->sw_if_counter_lock)
635  while (__sync_lock_test_and_set (im->sw_if_counter_lock, 1))
636  /* zzzz */ ;
637 }
638 
639 static inline void
641 {
642  if (im->sw_if_counter_lock)
643  *im->sw_if_counter_lock = 0;
644 }
645 
646 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
647 
648 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
649 
650 #endif /* included_vnet_interface_h */
651 
652 /*
653  * fd.io coding-style-patch-verification: ON
654  *
655  * Local Variables:
656  * eval: (c-set-style "gnu")
657  * End:
658  */
u8 * default_build_rewrite(struct vnet_main_t *vnm, u32 sw_if_index, vnet_link_t link_type, const void *dst_hw_address)
Return a complete, zero-length (aka dummy) rewrite.
Definition: interface.c:1382
vmrglw vmrglh hi
uword( vlib_node_function_t)(struct vlib_main_t *vm, struct vlib_node_runtime_t *node, struct vlib_frame_t *frame)
Definition: node.h:54
pcap_main_t pcap_main
Definition: interface.h:621
uword( unformat_function_t)(unformat_input_t *input, va_list *args)
Definition: format.h:231
volatile u32 * sw_if_counter_lock
Definition: interface.h:613
vnet_hw_interface_nodes_t * deleted_hw_interface_nodes
Definition: interface.h:617
bad routing header type(not 4)") sr_error (NO_MORE_SEGMENTS
enum vnet_hw_interface_class_flags_t_ vnet_hw_interface_class_flags_t
Attributes assignable to a HW interface Class.
PCAP utility definitions.
uword * sub_interface_sw_if_index_by_id
Definition: interface.h:452
struct _vnet_device_class vnet_device_class_t
clib_error_t *( vnet_interface_set_mac_address_function_t)(struct vnet_hw_interface_t *hi, char *address)
Definition: interface.h:62
vnet_flood_class_t flood_class
Definition: interface.h:561
uword * pcap_drop_filter_hash
Definition: interface.h:625
PCAP main state data structure.
Definition: pcap.h:122
vnet_l3_packet_type_t
Definition: l3_types.h:44
vlib_combined_counter_main_t * combined_sw_if_counters
Definition: interface.h:615
clib_error_t *( vnet_interface_function_t)(struct vnet_main_t *vnm, u32 if_index, u32 flags)
Definition: interface.h:53
A collection of simple counters.
Definition: counter.h:59
void vnet_pcap_drop_trace_filter_add_del(u32 error_index, int is_add)
u32 max_supported_packet_bytes
Definition: interface.h:435
uword * hw_interface_by_name
Definition: interface.h:595
vnet_l3_packet_type_t vnet_link_to_l3_proto(vnet_link_t link)
Convert a link to to an Ethertype.
Definition: interface.c:1361
static clib_error_t * link_up_down_function(vnet_main_t *vm, u32 hw_if_index, u32 flags)
vnet_hw_interface_t * hw_interfaces
Definition: interface.h:592
vnet_sub_interface_t sub
Definition: interface.h:558
uword * sw_if_index_by_sup_and_sub
Definition: interface.h:609
vlib_simple_counter_main_t * sw_if_counters
Definition: interface.h:614
vnet_device_class_t vnet_local_interface_device_class
vnet_interface_function_priority_t_
Definition: interface.h:64
uword * hw_interface_class_by_name
Definition: interface.h:602
static clib_error_t * admin_up_down_function(vnet_main_t *vm, u32 hw_if_index, u32 flags)
vnet_flood_class_t
Definition: interface.h:509
vnet_link_t_
Link Type: A description of the protocol of packets on the link.
Definition: interface.h:232
static void vnet_interface_counter_unlock(vnet_interface_main_t *im)
Definition: interface.h:640
vnet_interface_counter_type_t
Definition: interface.h:564
static void vnet_interface_counter_lock(vnet_interface_main_t *im)
Definition: interface.h:632
enum vnet_interface_function_priority_t_ vnet_interface_function_priority_t
unsigned int u32
Definition: types.h:88
clib_error_t *( vnet_subif_add_del_function_t)(struct vnet_main_t *vnm, u32 if_index, struct vnet_sw_interface_t *template, int is_add)
Definition: interface.h:57
u8 *( format_function_t)(u8 *s, va_list *args)
Definition: format.h:48
uword * device_class_by_name
Definition: interface.h:603
u64 uword
Definition: types.h:112
struct vnet_hw_interface_t vnet_hw_interface_t
unsigned short u16
Definition: types.h:57
struct _vnet_hw_interface_class vnet_hw_interface_class_t
double f64
Definition: types.h:142
unsigned char u8
Definition: types.h:56
vnet_sw_interface_t * sw_interfaces
Definition: interface.h:606
a point 2 point interface
Definition: interface.h:272
vnet_hw_interface_class_t * hw_interface_classes
Definition: interface.h:598
A collection of combined counters.
Definition: counter.h:212
u32 min_supported_packet_bytes
Definition: interface.h:432
vnet_device_class_t * device_classes
Definition: interface.h:599
u32 per_packet_overhead_bytes
Definition: interface.h:446
u32 flags
Definition: vhost-user.h:75
void default_update_adjacency(struct vnet_main_t *vnm, u32 sw_if_index, u32 adj_index)
Default adjacency update function.
Definition: interface.c:1390
int vnet_interface_name_renumber(u32 sw_if_index, u32 new_show_dev_instance)
Definition: interface.c:1246
vnet_hw_interface_class_flags_t_
Attributes assignable to a HW interface Class.
Definition: interface.h:267
vnet_sw_interface_type_t
Definition: interface.h:469