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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 <vlib/vlib.h>
44 #include <vppinfra/pcap.h>
45 #include <vnet/l3_types.h>
46 
47 struct vnet_main_t;
48 struct vnet_hw_interface_t;
49 struct vnet_sw_interface_t;
50 struct ip46_address_t;
51 
52 typedef enum
53 {
61 
62 /* Interface up/down callback. */
64  (struct vnet_main_t * vnm, u32 if_index, u32 flags);
65 
66 /* Sub-interface add/del callback. */
68  (struct vnet_main_t * vnm, u32 if_index,
69  struct vnet_sw_interface_t * template, int is_add);
70 
71 /* Interface set mac address callback. */
73  (struct vnet_hw_interface_t * hi,
74  const u8 * old_address, const u8 * new_address);
75 
76 /* Interface set rx mode callback. */
78  (struct vnet_main_t * vnm, u32 if_index, u32 queue_id,
79  vnet_hw_interface_rx_mode mode);
80 
81 /* Interface set l2 mode callback. */
83  (struct vnet_main_t * vnm, struct vnet_hw_interface_t * hi,
84  i32 l2_if_adjust);
85 
86 typedef enum
87 {
93 
94 /* Interface flow operations callback. */
95 typedef int (vnet_flow_dev_ops_function_t) (struct vnet_main_t * vnm,
96  vnet_flow_dev_op_t op,
97  u32 hw_if_index, u32 index,
98  uword * private_data);
99 
101 {
105 #define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
106 
107 typedef struct _vnet_interface_function_list_elt
108 {
109  struct _vnet_interface_function_list_elt *next_interface_function;
110  clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
111 } _vnet_interface_function_list_elt_t;
112 
113 #ifndef CLIB_MARCH_VARIANT
114 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
115  \
116 static void __vnet_interface_function_init_##tag##_##f (void) \
117  __attribute__((__constructor__)) ; \
118  \
119 static void __vnet_interface_function_init_##tag##_##f (void) \
120 { \
121  vnet_main_t * vnm = vnet_get_main(); \
122  static _vnet_interface_function_list_elt_t init_function; \
123  init_function.next_interface_function = vnm->tag##_functions[p]; \
124  vnm->tag##_functions[p] = &init_function; \
125  init_function.fp = (void *) &f; \
126 } \
127 static void __vnet_interface_function_deinit_##tag##_##f (void) \
128  __attribute__((__destructor__)) ; \
129  \
130 static void __vnet_interface_function_deinit_##tag##_##f (void) \
131 { \
132  vnet_main_t * vnm = vnet_get_main(); \
133  _vnet_interface_function_list_elt_t *next; \
134  if (vnm->tag##_functions[p]->fp == f) \
135  { \
136  vnm->tag##_functions[p] = \
137  vnm->tag##_functions[p]->next_interface_function; \
138  return; \
139  } \
140  next = vnm->tag##_functions[p]; \
141  while (next->next_interface_function) \
142  { \
143  if (next->next_interface_function->fp == f) \
144  { \
145  next->next_interface_function = \
146  next->next_interface_function->next_interface_function; \
147  return; \
148  } \
149  next = next->next_interface_function; \
150  } \
151 }
152 #else
153 /* create unused pointer to silence compiler warnings and get whole
154  function optimized out */
155 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
156 static __clib_unused void * __clib_unused_##f = f;
157 #endif
158 
159 #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
160  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
161 
162 #define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
163  _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
164 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
165  _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
166 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
167  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
168 #define VNET_SW_INTERFACE_MTU_CHANGE_FUNCTION(f) \
169  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_mtu_change)
170 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
171  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
172 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
173  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
174 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
175  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
176 
177 /* A class of hardware interface devices. */
178 typedef struct _vnet_device_class
179 {
180  /* Index into main vector. */
181  u32 index;
182 
183  /* Device name (e.g. "FOOBAR 1234a"). */
184  char *name;
185 
186  /* Function to call when hardware interface is added/deleted. */
187  vnet_interface_function_t *interface_add_del_function;
188 
189  /* Function to bring device administratively up/down. */
191 
192  /* Function to call when sub-interface is added/deleted */
193  vnet_subif_add_del_function_t *subif_add_del_function;
194 
195  /* Function to call interface rx mode is changed */
196  vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
197 
198  /* Function to call interface l2 mode is changed */
199  vnet_interface_set_l2_mode_function_t *set_l2_mode_function;
200 
201  /* Redistribute flag changes/existence of this interface class. */
202  u32 redistribute;
203 
204  /* Transmit function. */
205  vlib_node_function_t *tx_function;
206 
207  /* Transmit function candidate registration with priority */
208  vlib_node_fn_registration_t *tx_fn_registrations;
209 
210  /* Error strings indexed by error code for this node. */
211  char **tx_function_error_strings;
212 
213  /* Number of error codes used by this node. */
214  u32 tx_function_n_errors;
215 
216  /* Renumber device name [only!] support, a control-plane kludge */
217  int (*name_renumber) (struct vnet_hw_interface_t * hi,
218  u32 new_dev_instance);
219 
220  /* Interface flow offload operations */
221  vnet_flow_dev_ops_function_t *flow_ops_function;
222 
223  /* Format device instance as name. */
224  format_function_t *format_device_name;
225 
226  /* Parse function for device name. */
227  unformat_function_t *unformat_device_name;
228 
229  /* Format device verbosely for this class. */
230  format_function_t *format_device;
231 
232  /* Trace buffer format for TX function. */
233  format_function_t *format_tx_trace;
234 
235  /* Format flow offload entry */
237 
238  /* Function to clear hardware counters for device. */
239  void (*clear_counters) (u32 dev_class_instance);
240 
241  uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
242  u32 hw_if_index,
243  u32 hw_class_index);
244 
245  /* Called when hardware class of an interface changes. */
246  void (*hw_class_change) (struct vnet_main_t * vnm,
247  u32 hw_if_index, u32 new_hw_class_index);
248 
249  /* Called to redirect traffic from a specific interface instance */
250  void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
251  u32 hw_if_index, u32 node_index);
252 
253  /* Link-list of all device classes set up by constructors created below */
254  struct _vnet_device_class *next_class_registration;
255 
256  /* Function to set mac address. */
257  vnet_interface_set_mac_address_function_t *mac_addr_change_function;
259 
260 #ifndef CLIB_MARCH_VARIANT
261 #define VNET_DEVICE_CLASS(x,...) \
262  __VA_ARGS__ vnet_device_class_t x; \
263 static void __vnet_add_device_class_registration_##x (void) \
264  __attribute__((__constructor__)) ; \
265 static void __vnet_add_device_class_registration_##x (void) \
266 { \
267  vnet_main_t * vnm = vnet_get_main(); \
268  x.next_class_registration = vnm->device_class_registrations; \
269  vnm->device_class_registrations = &x; \
270 } \
271 static void __vnet_rm_device_class_registration_##x (void) \
272  __attribute__((__destructor__)) ; \
273 static void __vnet_rm_device_class_registration_##x (void) \
274 { \
275  vnet_main_t * vnm = vnet_get_main(); \
276  VLIB_REMOVE_FROM_LINKED_LIST (vnm->device_class_registrations, \
277  &x, next_class_registration); \
278 } \
279 __VA_ARGS__ vnet_device_class_t x
280 #else
281 /* create unused pointer to silence compiler warnings and get whole
282  function optimized out */
283 #define VNET_DEVICE_CLASS(x,...) \
284 static __clib_unused vnet_device_class_t __clib_unused_##x
285 #endif
286 
287 #define VNET_DEVICE_CLASS_TX_FN(devclass) \
288 uword CLIB_MARCH_SFX (devclass##_tx_fn)(); \
289 static vlib_node_fn_registration_t \
290  CLIB_MARCH_SFX(devclass##_tx_fn_registration) = \
291  { .function = &CLIB_MARCH_SFX (devclass##_tx_fn), }; \
292  \
293 static void __clib_constructor \
294 CLIB_MARCH_SFX (devclass##_tx_fn_multiarch_register) (void) \
295 { \
296  extern vnet_device_class_t devclass; \
297  vlib_node_fn_registration_t *r; \
298  r = &CLIB_MARCH_SFX (devclass##_tx_fn_registration); \
299  r->priority = CLIB_MARCH_FN_PRIORITY(); \
300  r->next_registration = devclass.tx_fn_registrations; \
301  devclass.tx_fn_registrations = r; \
302 } \
303 uword CLIB_CPU_OPTIMIZED CLIB_MARCH_SFX (devclass##_tx_fn)
304 
305 #define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
306  uword \
307  __attribute__ ((flatten)) \
308  __attribute__ ((target (tgt))) \
309  CLIB_CPU_OPTIMIZED \
310  fn ## _ ## arch ( vlib_main_t * vm, \
311  vlib_node_runtime_t * node, \
312  vlib_frame_t * frame) \
313  { return fn (vm, node, frame); }
314 
315 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
316  foreach_march_variant(VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE, fn)
317 
318 #if CLIB_DEBUG > 0
319 #define VLIB_MULTIARCH_CLONE_AND_SELECT_FN(fn,...)
320 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn)
321 #else
322 #define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn) \
323  VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
324  CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
325  static void __attribute__((__constructor__)) \
326  __vlib_device_tx_function_multiarch_select_##dev (void) \
327  { dev.tx_function = fn ## _multiarch_select(); }
328 #endif
329 
330 /**
331  * Link Type: A description of the protocol of packets on the link.
332  * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
333  * it maps to the GRE-proto, etc for other lnk types.
334  */
335 typedef enum vnet_link_t_
336 {
337 #if CLIB_DEBUG > 0
339 #else
340  VNET_LINK_IP4 = 0,
341 #endif
347 } __attribute__ ((packed)) vnet_link_t;
348 
349 #define VNET_LINKS { \
350  [VNET_LINK_ETHERNET] = "ethernet", \
351  [VNET_LINK_IP4] = "ipv4", \
352  [VNET_LINK_IP6] = "ipv6", \
353  [VNET_LINK_MPLS] = "mpls", \
354  [VNET_LINK_ARP] = "arp", \
355  [VNET_LINK_NSH] = "nsh", \
356 }
357 
358 #define FOR_EACH_VNET_LINK(_link) \
359  for (_link = VNET_LINK_IP4; \
360  _link <= VNET_LINK_NSH; \
361  _link++)
362 
363 /**
364  * @brief Number of link types. Not part of the enum so it does not have to be included in
365  * switch statements
366  */
367 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
368 
369 /**
370  * @brief Convert a link to to an Ethertype
371  */
372 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
373 
374 /**
375  * @brief Attributes assignable to a HW interface Class.
376  */
378 {
379  /**
380  * @brief a point 2 point interface
381  */
384 
385 /* Layer-2 (e.g. Ethernet) interface class. */
386 typedef struct _vnet_hw_interface_class
387 {
388  /* Index into main vector. */
389  u32 index;
390 
391  /* Class name (e.g. "Ethernet"). */
392  char *name;
393 
394  /* Flags */
396 
397  /* Function to call when hardware interface is added/deleted. */
398  vnet_interface_function_t *interface_add_del_function;
399 
400  /* Function to bring interface administratively up/down. */
402 
403  /* Function to call when link state changes. */
405 
406  /* Function to call when link MAC changes. */
407  vnet_interface_set_mac_address_function_t *mac_addr_change_function;
408 
409  /* Format function to display interface name. */
410  format_function_t *format_interface_name;
411 
412  /* Format function to display interface address. */
413  format_function_t *format_address;
414 
415  /* Format packet header for this interface class. */
416  format_function_t *format_header;
417 
418  /* Format device verbosely for this class. */
419  format_function_t *format_device;
420 
421  /* Parser for hardware (e.g. ethernet) address. */
422  unformat_function_t *unformat_hw_address;
423 
424  /* Parser for packet header for e.g. rewrite string. */
425  unformat_function_t *unformat_header;
426 
427  /* Builds a rewrite string for the interface to the destination
428  * for the payload/link type. */
429  u8 *(*build_rewrite) (struct vnet_main_t * vnm,
431  vnet_link_t link_type, const void *dst_hw_address);
432 
433  /* Update an adjacency added by FIB (as opposed to via the
434  * neighbour resolution protocol). */
435  void (*update_adjacency) (struct vnet_main_t * vnm,
436  u32 sw_if_index, u32 adj_index);
437 
438  uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
439  u32 hw_if_index,
440  u32 hw_class_index);
441 
442  /* Called when hw interface class is changed and old hardware instance
443  may want to be deleted. */
444  void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
445  u32 old_class_index, u32 new_class_index);
446 
447  /* List of hw interface classes, built by constructors */
448  struct _vnet_hw_interface_class *next_class_registration;
449 
451 
452 /**
453  * @brief Return a complete, zero-length (aka dummy) rewrite
454  */
455 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
456  u32 sw_if_index,
457  vnet_link_t link_type,
458  const void *dst_hw_address);
459 
460 /**
461  * @brief Default adjacency update function
462  */
463 extern void default_update_adjacency (struct vnet_main_t *vnm,
464  u32 sw_if_index, u32 adj_index);
465 
466 #define VNET_HW_INTERFACE_CLASS(x,...) \
467  __VA_ARGS__ vnet_hw_interface_class_t x; \
468 static void __vnet_add_hw_interface_class_registration_##x (void) \
469  __attribute__((__constructor__)) ; \
470 static void __vnet_add_hw_interface_class_registration_##x (void) \
471 { \
472  vnet_main_t * vnm = vnet_get_main(); \
473  x.next_class_registration = vnm->hw_interface_class_registrations; \
474  vnm->hw_interface_class_registrations = &x; \
475 } \
476 static void __vnet_rm_hw_interface_class_registration_##x (void) \
477  __attribute__((__destructor__)) ; \
478 static void __vnet_rm_hw_interface_class_registration_##x (void) \
479 { \
480  vnet_main_t * vnm = vnet_get_main(); \
481  VLIB_REMOVE_FROM_LINKED_LIST (vnm->hw_interface_class_registrations,\
482  &x, next_class_registration); \
483 } \
484 __VA_ARGS__ vnet_hw_interface_class_t x
485 
487 {
489  /* Hardware link state is up. */
491  /* Hardware duplex state */
494 
495  /* rx mode flags */
497 
498  /* tx checksum offload */
501 
502 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
503 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
504 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
505  (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
506  VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
507 
508 /* Hardware-interface. This corresponds to a physical wire
509  that packets flow over. */
510 typedef struct vnet_hw_interface_t
511 {
512  /* Interface name. */
514 
515  /* flags */
517 
518 
519  /* link speed in kbps */
521 
522  /* Hardware address as vector. Zero (e.g. zero-length vector) if no
523  address for this class (e.g. PPP). */
525 
526  /* Interface is up as far as software is concerned. */
527  /* NAME.{output,tx} nodes for this interface. */
528  u32 output_node_index, tx_node_index;
529 
530  /* (dev_class, dev_instance) uniquely identifies hw interface. */
533 
534  /* (hw_class, hw_instance) uniquely identifies hw interface. */
537 
538  /* Hardware index for this hardware interface. */
540 
541  /* Software index for this hardware interface. */
543 
544  /* Next index in interface-output node for this interface
545  used by node function vnet_per_buffer_interface_output() */
547 
548  /* Maximum transmit rate for this interface in bits/sec. */
550 
551  /* Smallest packet size supported by this interface. */
553 
554  /* Largest packet size supported by this interface. */
556 
557  /* Smallest packet size for this interface. */
559 
560  /* Largest packet size for this interface. */
562 
563  /* Hash table mapping sub interface id to sw_if_index. */
565 
566  /* Count of number of L2 subinterfaces */
568 
569  /* Bonded interface info -
570  0 - not a bonded interface nor a slave
571  ~0 - slave to a bonded interface
572  others - A bonded interface with a pointer to bitmap for all slaves */
574 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
575 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
576 
577  /* Input node */
579 
580  /* input node cpu index by queue */
582 
583  /* vnet_hw_interface_rx_mode by queue */
585  vnet_hw_interface_rx_mode default_rx_mode;
586 
587  /* device input device_and_queue runtime index */
589 
591 
593 
594 typedef enum
595 {
596  /* A hw interface. */
598 
599  /* A sub-interface. */
604 
605 typedef struct
606 {
607  /*
608  * Subinterface ID. A number 0-N to uniquely identify
609  * this subinterface under the main (parent?) interface
610  */
612 
613  /* Classification data. Used to associate packet header with subinterface. */
614  struct
615  {
618  union
619  {
621  struct
622  {
626  u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
631  } flags;
632  };
633  } eth;
635 
636 typedef struct
637 {
638  /*
639  * Subinterface ID. A number 0-N to uniquely identify
640  * this subinterface under the main interface
641  */
644  u8 client_mac[6];
646 
647 typedef enum
648 {
649  /* THe BVI interface */
651  /* Always flood */
654  /* Does not flood when tunnel master is in the same L2 BD */
656  /* Never flood to this type */
659 
660 /* Per protocol MTU */
661 typedef enum
662 {
663  VNET_MTU_L3, /* Default payload MTU (without L2 headers) */
664  VNET_MTU_IP4, /* Per-protocol MTUs overriding default */
668 } vnet_mtu_t;
669 
670 extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link);
671 
673 {
675  /* Interface is "up" meaning administratively up.
676  Up in the sense of link state being up is maintained by hardware interface. */
678 
679  /* Interface is disabled for forwarding: punt all traffic to slow-path. */
681 
683 
685 
687 
688  /* Interface does not appear in CLI/API */
690 
691  /* Interface in ERROR state */
693 
694  /* Interface has IP configured directed broadcast */
696 
697 } __attribute__ ((packed)) vnet_sw_interface_flags_t;
698 
699 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
700  tunnel, etc. Configuration (e.g. IP address) gets attached to
701  software interface. */
702 typedef struct
703 {
704  vnet_sw_interface_type_t type:16;
705 
707 
708  /* Index for this interface. */
710 
711  /* Software interface index of super-interface;
712  equal to sw_if_index if this interface is not a
713  sub-interface. */
715 
716  /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
718 
719  /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
721 
722  /* MTU for network layer (not including L2 headers) */
724 
725  /* VNET_SW_INTERFACE_TYPE_SUB. */
727 
728  /* VNET_SW_INTERFACE_TYPE_P2P. */
730 
731  vnet_flood_class_t flood_class;
733 
734 typedef enum
735 {
736  /* Simple counters. */
747  /* Combined counters. */
758 
759 #define foreach_rx_combined_interface_counter(_x) \
760  for (_x = VNET_INTERFACE_COUNTER_RX; \
761  _x <= VNET_INTERFACE_COUNTER_RX_BROADCAST; \
762  _x++)
763 
764 #define foreach_tx_combined_interface_counter(_x) \
765  for (_x = VNET_INTERFACE_COUNTER_TX; \
766  _x <= VNET_INTERFACE_COUNTER_TX_BROADCAST; \
767  _x++)
768 
769 #define foreach_simple_interface_counter_name \
770  _(DROP, drops, if) \
771  _(PUNT, punt, if) \
772  _(IP4, ip4, if) \
773  _(IP6, ip6, if) \
774  _(RX_NO_BUF, rx-no-buf, if) \
775  _(RX_MISS, rx-miss, if) \
776  _(RX_ERROR, rx-error, if) \
777  _(TX_ERROR, tx-error, if)
778 
779 #define foreach_combined_interface_counter_name \
780  _(RX, rx, if) \
781  _(RX_UNICAST, rx-unicast, if) \
782  _(RX_MULTICAST, rx-multicast, if) \
783  _(RX_BROADCAST, rx-broadcast, if) \
784  _(TX, tx, if) \
785  _(TX_UNICAST, tx-unicast-miss, if) \
786  _(TX_MULTICAST, tx-multicast, if) \
787  _(TX_BROADCAST, tx-broadcast, if)
788 
789 typedef enum
790 {
794 
796 
797 static inline int
799 {
801 }
802 
805 
806 
807 typedef struct
808 {
812 
813 typedef struct
814 {
815  /* Hardware interfaces. */
817 
818  /* Hash table mapping HW interface name to index. */
820 
821  /* Vectors if hardware interface classes and device classes. */
824 
825  /* Hash table mapping name to hw interface/device class. */
828 
829  /* Software interfaces. */
831 
832  /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
834 
835  /* Software interface counters both simple and combined
836  packet and byte counters. */
840 
842 
843  /* pcap drop tracing */
850 
851  /* feature_arc_index */
854 
855 static inline void
857 {
858  if (im->sw_if_counter_lock)
860  /* zzzz */ ;
861 }
862 
863 static inline void
865 {
866  if (im->sw_if_counter_lock)
868 }
869 
870 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
871 
872 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
873 
874 #endif /* included_vnet_interface_h */
875 
876 /*
877  * fd.io coding-style-patch-verification: ON
878  *
879  * Local Variables:
880  * eval: (c-set-style "gnu")
881  * End:
882  */
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:1551
vmrglw vmrglh hi
u32 flags
Definition: vhost_user.h:115
pcap_main_t pcap_main
Definition: interface.h:845
void collect_detailed_interface_stats_flag_set(void)
Definition: interface.c:1610
volatile u32 * sw_if_counter_lock
Definition: interface.h:837
vnet_hw_interface_nodes_t * deleted_hw_interface_nodes
Definition: interface.h:841
vnet_p2p_sub_interface_t p2p
Definition: interface.h:729
static void clear_counters(perfmon_main_t *pm)
enum vnet_hw_interface_class_flags_t_ vnet_hw_interface_class_flags_t
Attributes assignable to a HW interface Class.
PCAP utility definitions.
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:68
u32 * input_node_thread_index_by_queue
Definition: interface.h:581
clib_error_t *() vnet_interface_set_l2_mode_function_t(struct vnet_main_t *vnm, struct vnet_hw_interface_t *hi, i32 l2_if_adjust)
Definition: interface.h:83
uword * sub_interface_sw_if_index_by_id
Definition: interface.h:564
struct _vnet_device_class vnet_device_class_t
uword * dq_runtime_index_by_queue
Definition: interface.h:588
vnet_mtu_t vnet_link_to_mtu(vnet_link_t link)
Definition: interface.c:1535
unsigned char u8
Definition: types.h:56
vnet_interface_stats_collection_mode_e
Definition: interface.h:789
enum vnet_sw_interface_flags_t_ vnet_sw_interface_flags_t
double f64
Definition: types.h:142
u8 *() format_function_t(u8 *s, va_list *args)
Definition: format.h:48
vnet_hw_interface_rx_mode
Definition: interface.h:52
vnet_flood_class_t flood_class
Definition: interface.h:731
uword * pcap_drop_filter_hash
Definition: interface.h:849
PCAP main state data structure.
Definition: pcap.h:156
vnet_l3_packet_type_t
Definition: l3_types.h:44
u32 sw_if_index
Definition: vxlan_gbp.api:37
vlib_combined_counter_main_t * combined_sw_if_counters
Definition: interface.h:839
enum vnet_hw_interface_flags_t_ vnet_hw_interface_flags_t
static format_function_t format_flow
Definition: flow_cli.c:22
vnet_hw_interface_flags_t flags
Definition: interface.h:516
struct _vlib_node_fn_registration vlib_node_fn_registration_t
unsigned int u32
Definition: types.h:88
int collect_detailed_interface_stats_flag
Definition: interface.c:1607
A collection of simple counters.
Definition: counter.h:57
void vnet_pcap_drop_trace_filter_add_del(u32 error_index, int is_add)
#define clib_atomic_test_and_set(a)
Definition: atomics.h:40
vnet_sw_interface_flags_t_
Definition: interface.h:672
u32 max_supported_packet_bytes
Definition: interface.h:555
uword * hw_interface_by_name
Definition: interface.h:819
vnet_l3_packet_type_t vnet_link_to_l3_proto(vnet_link_t link)
Convert a link to to an Ethertype.
Definition: interface.c:1513
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:816
vnet_sub_interface_t sub
Definition: interface.h:726
#define clib_atomic_release(a)
Definition: atomics.h:41
unsigned short u16
Definition: types.h:57
vnet_mtu_t
Definition: interface.h:661
uword * sw_if_index_by_sup_and_sub
Definition: interface.h:833
vnet_sw_interface_flags_t flags
Definition: interface.h:706
vlib_simple_counter_main_t * sw_if_counters
Definition: interface.h:838
uword() unformat_function_t(unformat_input_t *input, va_list *args)
Definition: format.h:232
vnet_device_class_t vnet_local_interface_device_class
vnet_interface_function_priority_t_
Definition: interface.h:100
u8 name[64]
Definition: memclnt.api:152
uword * hw_interface_class_by_name
Definition: interface.h:826
vnet_flow_dev_op_t
Definition: interface.h:86
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:647
vnet_link_t_
Link Type: A description of the protocol of packets on the link.
Definition: interface.h:335
static void vnet_interface_counter_unlock(vnet_interface_main_t *im)
Definition: interface.h:864
static int collect_detailed_interface_stats(void)
Definition: interface.h:798
vnet_interface_counter_type_t
Definition: interface.h:734
static void vnet_interface_counter_lock(vnet_interface_main_t *im)
Definition: interface.h:856
signed int i32
Definition: types.h:77
enum vnet_interface_function_priority_t_ vnet_interface_function_priority_t
clib_error_t *() vnet_interface_function_t(struct vnet_main_t *vnm, u32 if_index, u32 flags)
Definition: interface.h:64
enum vnet_link_t_ vnet_link_t
Link Type: A description of the protocol of packets on the link.
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 * device_class_by_name
Definition: interface.h:827
clib_error_t *() vnet_interface_set_rx_mode_function_t(struct vnet_main_t *vnm, u32 if_index, u32 queue_id, vnet_hw_interface_rx_mode mode)
Definition: interface.h:78
struct vnet_hw_interface_t vnet_hw_interface_t
struct _vnet_hw_interface_class vnet_hw_interface_class_t
u64 uword
Definition: types.h:112
vnet_sw_interface_t * sw_interfaces
Definition: interface.h:830
a point 2 point interface
Definition: interface.h:382
vnet_hw_interface_class_t * hw_interface_classes
Definition: interface.h:822
A collection of combined counters.
Definition: counter.h:188
clib_error_t *() vnet_interface_set_mac_address_function_t(struct vnet_hw_interface_t *hi, const u8 *old_address, const u8 *new_address)
Definition: interface.h:73
u32 min_supported_packet_bytes
Definition: interface.h:552
vnet_sw_interface_type_t type
Definition: interface.h:704
vnet_hw_interface_flags_t_
Definition: interface.h:486
vnet_hw_interface_rx_mode default_rx_mode
Definition: interface.h:585
vnet_device_class_t * device_classes
Definition: interface.h:823
void collect_detailed_interface_stats_flag_clear(void)
Definition: interface.c:1616
void default_update_adjacency(struct vnet_main_t *vnm, u32 sw_if_index, u32 adj_index)
Default adjacency update function.
Definition: interface.c:1559
int vnet_interface_name_renumber(u32 sw_if_index, u32 new_show_dev_instance)
Definition: interface.c:1349
vnet_hw_interface_class_flags_t_
Attributes assignable to a HW interface Class.
Definition: interface.h:377
vnet_sw_interface_type_t
Definition: interface.h:594
int() vnet_flow_dev_ops_function_t(struct vnet_main_t *vnm, vnet_flow_dev_op_t op, u32 hw_if_index, u32 index, uword *private_data)
Definition: interface.h:95