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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
244 } __attribute__ ((packed)) vnet_link_t;
245 
246 #define VNET_LINKS { \
247  [VNET_LINK_ETHERNET] = "ethernet", \
248  [VNET_LINK_IP4] = "ipv4", \
249  [VNET_LINK_IP6] = "ipv6", \
250  [VNET_LINK_MPLS] = "mpls", \
251  [VNET_LINK_ARP] = "arp", \
252  [VNET_LINK_NSH] = "nsh", \
253 }
254 
255 /**
256  * @brief Number of link types. Not part of the enum so it does not have to be included in
257  * switch statements
258  */
259 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
260 
261 /**
262  * @brief Convert a link to to an Ethertype
263  */
264 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
265 
266 /**
267  * @brief Attributes assignable to a HW interface Class.
268  */
270 {
271  /**
272  * @brief a point 2 point interface
273  */
276 
277 /* Layer-2 (e.g. Ethernet) interface class. */
278 typedef struct _vnet_hw_interface_class
279 {
280  /* Index into main vector. */
281  u32 index;
282 
283  /* Class name (e.g. "Ethernet"). */
284  char *name;
285 
286  /* Flags */
288 
289  /* Function to call when hardware interface is added/deleted. */
290  vnet_interface_function_t *interface_add_del_function;
291 
292  /* Function to bring interface administratively up/down. */
294 
295  /* Function to call when link state changes. */
297 
298  /* Function to call when link MAC changes. */
299  vnet_interface_set_mac_address_function_t *mac_addr_change_function;
300 
301  /* Format function to display interface name. */
302  format_function_t *format_interface_name;
303 
304  /* Format function to display interface address. */
305  format_function_t *format_address;
306 
307  /* Format packet header for this interface class. */
308  format_function_t *format_header;
309 
310  /* Format device verbosely for this class. */
311  format_function_t *format_device;
312 
313  /* Parser for hardware (e.g. ethernet) address. */
314  unformat_function_t *unformat_hw_address;
315 
316  /* Parser for packet header for e.g. rewrite string. */
317  unformat_function_t *unformat_header;
318 
319  /* Builds a rewrite string for the interface to the destination
320  * for the payload/link type. */
321  u8 *(*build_rewrite) (struct vnet_main_t * vnm,
322  u32 sw_if_index,
323  vnet_link_t link_type, const void *dst_hw_address);
324 
325  /* Update an adjacecny added by FIB (as opposed to via the
326  * neighbour resolution protocol). */
327  void (*update_adjacency) (struct vnet_main_t * vnm,
328  u32 sw_if_index, u32 adj_index);
329 
330  uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
331  u32 hw_if_index,
332  u32 hw_class_index);
333 
334  /* Called when hw interface class is changed and old hardware instance
335  may want to be deleted. */
336  void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
337  u32 old_class_index, u32 new_class_index);
338 
339  /* List of hw interface classes, built by constructors */
340  struct _vnet_hw_interface_class *next_class_registration;
341 
343 
344 /**
345  * @brief Return a complete, zero-length (aka dummy) rewrite
346  */
347 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
348  u32 sw_if_index,
349  vnet_link_t link_type,
350  const void *dst_hw_address);
351 
352 /**
353  * @brief Default adjacency update function
354  */
355 extern void default_update_adjacency (struct vnet_main_t *vnm,
356  u32 sw_if_index, u32 adj_index);
357 
358 #define VNET_HW_INTERFACE_CLASS(x,...) \
359  __VA_ARGS__ vnet_hw_interface_class_t x; \
360 static void __vnet_add_hw_interface_class_registration_##x (void) \
361  __attribute__((__constructor__)) ; \
362 static void __vnet_add_hw_interface_class_registration_##x (void) \
363 { \
364  vnet_main_t * vnm = vnet_get_main(); \
365  x.next_class_registration = vnm->hw_interface_class_registrations; \
366  vnm->hw_interface_class_registrations = &x; \
367 } \
368 __VA_ARGS__ vnet_hw_interface_class_t x
369 
370 /* Hardware-interface. This corresponds to a physical wire
371  that packets flow over. */
372 typedef struct vnet_hw_interface_t
373 {
374  /* Interface name. */
376 
378  /* Hardware link state is up. */
379 #define VNET_HW_INTERFACE_FLAG_LINK_UP (1 << 0)
380  /* Hardware duplex state */
381 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
382 #define VNET_HW_INTERFACE_FLAG_HALF_DUPLEX (1 << 1)
383 #define VNET_HW_INTERFACE_FLAG_FULL_DUPLEX (1 << 2)
384 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
385  (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
386  VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
387 
388  /* Hardware link speed */
389 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
390 #define VNET_HW_INTERFACE_FLAG_SPEED_10M (1 << 3)
391 #define VNET_HW_INTERFACE_FLAG_SPEED_100M (1 << 4)
392 #define VNET_HW_INTERFACE_FLAG_SPEED_1G (1 << 5)
393 #define VNET_HW_INTERFACE_FLAG_SPEED_10G (1 << 6)
394 #define VNET_HW_INTERFACE_FLAG_SPEED_40G (1 << 7)
395 #define VNET_HW_INTERFACE_FLAG_SPEED_100G (1 << 8)
396 #define VNET_HW_INTERFACE_FLAG_SPEED_MASK \
397  (VNET_HW_INTERFACE_FLAG_SPEED_10M | \
398  VNET_HW_INTERFACE_FLAG_SPEED_100M | \
399  VNET_HW_INTERFACE_FLAG_SPEED_1G | \
400  VNET_HW_INTERFACE_FLAG_SPEED_10G | \
401  VNET_HW_INTERFACE_FLAG_SPEED_40G | \
402  VNET_HW_INTERFACE_FLAG_SPEED_100G)
403 
404  /* l2output node flags */
405 #define VNET_HW_INTERFACE_FLAG_L2OUTPUT_SHIFT 9
406 #define VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED (1 << 9)
407 
408  /* Hardware address as vector. Zero (e.g. zero-length vector) if no
409  address for this class (e.g. PPP). */
411 
412  /* Interface is up as far as software is concerned. */
413  /* NAME.{output,tx} nodes for this interface. */
414  u32 output_node_index, tx_node_index;
415 
416  /* (dev_class, dev_instance) uniquely identifies hw interface. */
419 
420  /* (hw_class, hw_instance) uniquely identifies hw interface. */
423 
424  /* Hardware index for this hardware interface. */
426 
427  /* Software index for this hardware interface. */
429 
430  /* Maximum transmit rate for this interface in bits/sec. */
432 
433  /* Smallest packet size supported by this interface. */
435 
436  /* Largest packet size supported by this interface. */
438 
439  /* Smallest packet size for this interface. */
441 
442  /* Largest packet size for this interface. */
444 
445  /* Number of extra bytes that go on the wire.
446  Packet length on wire
447  = max (length + per_packet_overhead_bytes, min_packet_bytes). */
449 
450  /* Receive and transmit layer 3 packet size limits (MRU/MTU). */
451  u32 max_l3_packet_bytes[VLIB_N_RX_TX];
452 
453  /* Hash table mapping sub interface id to sw_if_index. */
455 
456  /* Count of number of L2 subinterfaces */
458 
459  /* Bonded interface info -
460  0 - not a bonded interface nor a slave
461  ~0 - slave to a bonded interface
462  others - A bonded interface with a pointer to bitmap for all slaves */
464 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
465 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
466 
467  /* Input node */
469 
470  /* input node cpu index by queue */
472 
474 
476 
477 typedef enum
478 {
479  /* A hw interface. */
481 
482  /* A sub-interface. */
485 
486 typedef struct
487 {
488  /*
489  * Subinterface ID. A number 0-N to uniquely identify
490  * this subinterface under the main (parent?) interface
491  */
493 
494  /* Classification data. Used to associate packet header with subinterface. */
495  struct
496  {
499  union
500  {
502  struct
503  {
504  u16 no_tags:1;
505  u16 one_tag:1;
506  u16 two_tags:1;
507  u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
508  u16 exact_match:1;
509  u16 default_sub:1;
510  u16 outer_vlan_id_any:1;
511  u16 inner_vlan_id_any:1;
512  } flags;
513  };
514  } eth;
516 
517 typedef enum
518 {
519  /* Always flood */
522  /* Does not flood when tunnel master is in the same L2 BD */
525 
526 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
527  tunnel, etc. Configuration (e.g. IP address) gets attached to
528  software interface. */
529 typedef struct
530 {
531  vnet_sw_interface_type_t type:16;
532 
534  /* Interface is "up" meaning adminstratively up.
535  Up in the sense of link state being up is maintained by hardware interface. */
536 #define VNET_SW_INTERFACE_FLAG_ADMIN_UP (1 << 0)
537 
538  /* Interface is disabled for forwarding: punt all traffic to slow-path. */
539 #define VNET_SW_INTERFACE_FLAG_PUNT (1 << 1)
540 
541 #define VNET_SW_INTERFACE_FLAG_PROXY_ARP (1 << 2)
542 
543 #define VNET_SW_INTERFACE_FLAG_UNNUMBERED (1 << 3)
544 
545 #define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
546 
547 /* Interface does not appear in CLI/API */
548 #define VNET_SW_INTERFACE_FLAG_HIDDEN (1 << 5)
549 
550  /* Index for this interface. */
552 
553  /* Software interface index of super-interface;
554  equal to sw_if_index if this interface is not a
555  sub-interface. */
557 
558  /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
560 
562 
563  union
564  {
565  /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
567 
568  /* VNET_SW_INTERFACE_TYPE_SUB. */
570  };
571 
572  vnet_flood_class_t flood_class;
574 
575 typedef enum
576 {
577  /* Simple counters. */
588  /* Combined counters. */
593 
594 typedef struct
595 {
599 
600 typedef struct
601 {
602  /* Hardware interfaces. */
604 
605  /* Hash table mapping HW interface name to index. */
607 
608  /* Vectors if hardware interface classes and device classes. */
611 
612  /* Hash table mapping name to hw interface/device class. */
615 
616  /* Software interfaces. */
618 
619  /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
621 
622  /* Software interface counters both simple and combined
623  packet and byte counters. */
627 
629 
630  /* pcap drop tracing */
637 
638  /* feature_arc_index */
641 
642 static inline void
644 {
645  if (im->sw_if_counter_lock)
646  while (__sync_lock_test_and_set (im->sw_if_counter_lock, 1))
647  /* zzzz */ ;
648 }
649 
650 static inline void
652 {
653  if (im->sw_if_counter_lock)
654  *im->sw_if_counter_lock = 0;
655 }
656 
657 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
658 
659 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
660 
661 #endif /* included_vnet_interface_h */
662 
663 /*
664  * fd.io coding-style-patch-verification: ON
665  *
666  * Local Variables:
667  * eval: (c-set-style "gnu")
668  * End:
669  */
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:1376
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
uword( unformat_function_t)(unformat_input_t *input, va_list *args)
Definition: format.h:231
pcap_main_t pcap_main
Definition: interface.h:632
volatile u32 * sw_if_counter_lock
Definition: interface.h:624
vnet_hw_interface_nodes_t * deleted_hw_interface_nodes
Definition: interface.h:628
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:454
u8 *( format_function_t)(u8 *s, va_list *args)
Definition: format.h:48
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:572
uword * pcap_drop_filter_hash
Definition: interface.h:636
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:626
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:58
void vnet_pcap_drop_trace_filter_add_del(u32 error_index, int is_add)
u32 max_supported_packet_bytes
Definition: interface.h:437
uword * hw_interface_by_name
Definition: interface.h:606
vnet_l3_packet_type_t vnet_link_to_l3_proto(vnet_link_t link)
Convert a link to to an Ethertype.
Definition: interface.c:1354
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:603
vnet_sub_interface_t sub
Definition: interface.h:569
uword * sw_if_index_by_sup_and_sub
Definition: interface.h:620
vlib_simple_counter_main_t * sw_if_counters
Definition: interface.h:625
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:613
u32 * input_node_cpu_index_by_queue
Definition: interface.h:471
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:517
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:651
vnet_interface_counter_type_t
Definition: interface.h:575
static void vnet_interface_counter_lock(vnet_interface_main_t *im)
Definition: interface.h:643
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
uword * device_class_by_name
Definition: interface.h:614
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:617
a point 2 point interface
Definition: interface.h:274
vnet_hw_interface_class_t * hw_interface_classes
Definition: interface.h:609
A collection of combined counters.
Definition: counter.h:180
u32 min_supported_packet_bytes
Definition: interface.h:434
vnet_device_class_t * device_classes
Definition: interface.h:610
u32 per_packet_overhead_bytes
Definition: interface.h:448
u32 flags
Definition: vhost-user.h:78
void default_update_adjacency(struct vnet_main_t *vnm, u32 sw_if_index, u32 adj_index)
Default adjacency update function.
Definition: interface.c:1384
int vnet_interface_name_renumber(u32 sw_if_index, u32 new_show_dev_instance)
Definition: interface.c:1239
vnet_hw_interface_class_flags_t_
Attributes assignable to a HW interface Class.
Definition: interface.h:269
vnet_sw_interface_type_t
Definition: interface.h:477