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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 #include <vppinfra/lock.h>
47 
48 struct vnet_main_t;
49 struct vnet_hw_interface_t;
50 struct vnet_sw_interface_t;
51 union ip46_address_t_;
52 
53 typedef enum
54 {
62 
63 /* Interface up/down callback. */
65  (struct vnet_main_t * vnm, u32 if_index, u32 flags);
66 
67 /* Sub-interface add/del callback. */
69  (struct vnet_main_t * vnm, u32 if_index,
70  struct vnet_sw_interface_t * template, int is_add);
71 
72 /* Interface set mac address callback. */
74  (struct vnet_hw_interface_t * hi,
75  const u8 * old_address, const u8 * new_address);
76 
77 /* Interface add/del additional mac address callback */
79  (struct vnet_hw_interface_t * hi, const u8 * address, u8 is_add);
80 
81 /* Interface set rx mode callback. */
83  (struct vnet_main_t * vnm, u32 if_index, u32 queue_id,
84  vnet_hw_interface_rx_mode mode);
85 
86 /* Interface set l2 mode callback. */
88  (struct vnet_main_t * vnm, struct vnet_hw_interface_t * hi,
89  i32 l2_if_adjust);
90 
91 typedef enum
92 {
98 
99 /* Interface flow operations callback. */
100 typedef int (vnet_flow_dev_ops_function_t) (struct vnet_main_t * vnm,
101  vnet_flow_dev_op_t op,
102  u32 hw_if_index, u32 index,
103  uword * private_data);
104 
106 {
110 #define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
111 
112 typedef struct _vnet_interface_function_list_elt
113 {
114  struct _vnet_interface_function_list_elt *next_interface_function;
115  clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
116 } _vnet_interface_function_list_elt_t;
117 
118 #ifndef CLIB_MARCH_VARIANT
119 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
120  \
121 static void __vnet_interface_function_init_##tag##_##f (void) \
122  __attribute__((__constructor__)) ; \
123  \
124 static void __vnet_interface_function_init_##tag##_##f (void) \
125 { \
126  vnet_main_t * vnm = vnet_get_main(); \
127  static _vnet_interface_function_list_elt_t init_function; \
128  init_function.next_interface_function = vnm->tag##_functions[p]; \
129  vnm->tag##_functions[p] = &init_function; \
130  init_function.fp = (void *) &f; \
131 } \
132 static void __vnet_interface_function_deinit_##tag##_##f (void) \
133  __attribute__((__destructor__)) ; \
134  \
135 static void __vnet_interface_function_deinit_##tag##_##f (void) \
136 { \
137  vnet_main_t * vnm = vnet_get_main(); \
138  _vnet_interface_function_list_elt_t *next; \
139  if (vnm->tag##_functions[p]->fp == f) \
140  { \
141  vnm->tag##_functions[p] = \
142  vnm->tag##_functions[p]->next_interface_function; \
143  return; \
144  } \
145  next = vnm->tag##_functions[p]; \
146  while (next->next_interface_function) \
147  { \
148  if (next->next_interface_function->fp == f) \
149  { \
150  next->next_interface_function = \
151  next->next_interface_function->next_interface_function; \
152  return; \
153  } \
154  next = next->next_interface_function; \
155  } \
156 }
157 #else
158 /* create unused pointer to silence compiler warnings and get whole
159  function optimized out */
160 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
161 static __clib_unused void * __clib_unused_##f = f;
162 #endif
163 
164 #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
165  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
166 
167 #define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
168  _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
169 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
170  _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
171 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
172  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
173 #define VNET_SW_INTERFACE_MTU_CHANGE_FUNCTION(f) \
174  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_mtu_change)
175 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
176  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
177 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
178  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
179 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
180  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
181 
182 /**
183  * Tunnel description parameters
184  */
186  union ip46_address_t_ * src,
187  union ip46_address_t_ * dst,
188  u8 * is_l2);
189 
190 /* A class of hardware interface devices. */
191 typedef struct _vnet_device_class
192 {
193  /* Index into main vector. */
194  u32 index;
195 
196  /* Device name (e.g. "FOOBAR 1234a"). */
197  char *name;
198 
199  /* Function to call when hardware interface is added/deleted. */
200  vnet_interface_function_t *interface_add_del_function;
201 
202  /* Function to bring device administratively up/down. */
204 
205  /* Function to call when sub-interface is added/deleted */
206  vnet_subif_add_del_function_t *subif_add_del_function;
207 
208  /* Function to call interface rx mode is changed */
209  vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
210 
211  /* Function to call interface l2 mode is changed */
212  vnet_interface_set_l2_mode_function_t *set_l2_mode_function;
213 
214  /* Redistribute flag changes/existence of this interface class. */
215  u32 redistribute;
216 
217  /* Transmit function. */
218  vlib_node_function_t *tx_function;
219 
220  /* Transmit function candidate registration with priority */
221  vlib_node_fn_registration_t *tx_fn_registrations;
222 
223  /* Error strings indexed by error code for this node. */
224  char **tx_function_error_strings;
225 
226  /* Number of error codes used by this node. */
227  u32 tx_function_n_errors;
228 
229  /* Renumber device name [only!] support, a control-plane kludge */
230  int (*name_renumber) (struct vnet_hw_interface_t * hi,
231  u32 new_dev_instance);
232 
233  /* Interface flow offload operations */
234  vnet_flow_dev_ops_function_t *flow_ops_function;
235 
236  /* Format device instance as name. */
237  format_function_t *format_device_name;
238 
239  /* Parse function for device name. */
240  unformat_function_t *unformat_device_name;
241 
242  /* Format device verbosely for this class. */
244 
245  /* Trace buffer format for TX function. */
246  format_function_t *format_tx_trace;
247 
248  /* Format flow offload entry */
250 
252 
253  /* Function to clear hardware counters for device. */
254  void (*clear_counters) (u32 dev_class_instance);
255 
256  uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
257  u32 hw_if_index,
258  u32 hw_class_index);
259 
260  /* Called when hardware class of an interface changes. */
261  void (*hw_class_change) (struct vnet_main_t * vnm,
262  u32 hw_if_index, u32 new_hw_class_index);
263 
264  /* Called to redirect traffic from a specific interface instance */
265  void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
266  u32 hw_if_index, u32 node_index);
267 
268  /* Link-list of all device classes set up by constructors created below */
269  struct _vnet_device_class *next_class_registration;
270 
271  /* Function to set mac address. */
272  vnet_interface_set_mac_address_function_t *mac_addr_change_function;
273 
274  /* Function to add/delete additional MAC addresses */
275  vnet_interface_add_del_mac_address_function_t *mac_addr_add_del_function;
277 
278 #ifndef CLIB_MARCH_VARIANT
279 #define VNET_DEVICE_CLASS(x,...) \
280  __VA_ARGS__ vnet_device_class_t x; \
281 static void __vnet_add_device_class_registration_##x (void) \
282  __attribute__((__constructor__)) ; \
283 static void __vnet_add_device_class_registration_##x (void) \
284 { \
285  vnet_main_t * vnm = vnet_get_main(); \
286  x.next_class_registration = vnm->device_class_registrations; \
287  vnm->device_class_registrations = &x; \
288 } \
289 static void __vnet_rm_device_class_registration_##x (void) \
290  __attribute__((__destructor__)) ; \
291 static void __vnet_rm_device_class_registration_##x (void) \
292 { \
293  vnet_main_t * vnm = vnet_get_main(); \
294  VLIB_REMOVE_FROM_LINKED_LIST (vnm->device_class_registrations, \
295  &x, next_class_registration); \
296 } \
297 __VA_ARGS__ vnet_device_class_t x
298 #else
299 /* create unused pointer to silence compiler warnings and get whole
300  function optimized out */
301 #define VNET_DEVICE_CLASS(x,...) \
302 static __clib_unused vnet_device_class_t __clib_unused_##x
303 #endif
304 
305 #define VNET_DEVICE_CLASS_TX_FN(devclass) \
306 uword CLIB_MARCH_SFX (devclass##_tx_fn)(); \
307 static vlib_node_fn_registration_t \
308  CLIB_MARCH_SFX(devclass##_tx_fn_registration) = \
309  { .function = &CLIB_MARCH_SFX (devclass##_tx_fn), }; \
310  \
311 static void __clib_constructor \
312 CLIB_MARCH_SFX (devclass##_tx_fn_multiarch_register) (void) \
313 { \
314  extern vnet_device_class_t devclass; \
315  vlib_node_fn_registration_t *r; \
316  r = &CLIB_MARCH_SFX (devclass##_tx_fn_registration); \
317  r->priority = CLIB_MARCH_FN_PRIORITY(); \
318  r->next_registration = devclass.tx_fn_registrations; \
319  devclass.tx_fn_registrations = r; \
320 } \
321 uword CLIB_CPU_OPTIMIZED CLIB_MARCH_SFX (devclass##_tx_fn)
322 
323 /**
324  * Link Type: A description of the protocol of packets on the link.
325  * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
326  * it maps to the GRE-proto, etc for other lnk types.
327  */
328 typedef enum vnet_link_t_
329 {
330 #if CLIB_DEBUG > 0
332 #else
333  VNET_LINK_IP4 = 0,
334 #endif
340 } __attribute__ ((packed)) vnet_link_t;
341 
342 #define VNET_LINKS { \
343  [VNET_LINK_ETHERNET] = "ethernet", \
344  [VNET_LINK_IP4] = "ipv4", \
345  [VNET_LINK_IP6] = "ipv6", \
346  [VNET_LINK_MPLS] = "mpls", \
347  [VNET_LINK_ARP] = "arp", \
348  [VNET_LINK_NSH] = "nsh", \
349 }
350 
351 #define FOR_EACH_VNET_LINK(_link) \
352  for (_link = VNET_LINK_IP4; \
353  _link <= VNET_LINK_NSH; \
354  _link++)
355 
356 /**
357  * @brief Number of link types. Not part of the enum so it does not have to be included in
358  * switch statements
359  */
360 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
361 
362 /**
363  * @brief Convert a link to to an Ethertype
364  */
365 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
366 
367 /**
368  * @brief Attributes assignable to a HW interface Class.
369  */
371 {
372  /**
373  * @brief a point 2 point interface
374  */
376  /**
377  * @brief a non-broadcast multiple access interface
378  */
381 
382 /* Layer-2 (e.g. Ethernet) interface class. */
383 typedef struct _vnet_hw_interface_class
384 {
385  /* Index into main vector. */
386  u32 index;
387 
388  /* Class name (e.g. "Ethernet"). */
389  char *name;
390 
391  /* Flags */
393 
394  /* Function to call when hardware interface is added/deleted. */
395  vnet_interface_function_t *interface_add_del_function;
396 
397  /* Function to bring interface administratively up/down. */
399 
400  /* Function to call when link state changes. */
402 
403  /* Function to call when link MAC changes. */
404  vnet_interface_set_mac_address_function_t *mac_addr_change_function;
405 
406  /* Function to add/delete additional MAC addresses */
407  vnet_interface_add_del_mac_address_function_t *mac_addr_add_del_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. */
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 */
500 
501  /* gso */
503 
504  /* non-broadcast multiple access */
506 
507  /* hw/driver can switch between l2-promisc and l3-dmac-filter modes */
510 
511 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
512 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
513 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
514  (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
515  VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
516 
517 /* Hardware-interface. This corresponds to a physical wire
518  that packets flow over. */
519 typedef struct vnet_hw_interface_t
520 {
521  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
522  /* Interface name. */
524 
525  /* flags */
527 
528 
529  /* link speed in kbps */
531 
532  /* Hardware address as vector. Zero (e.g. zero-length vector) if no
533  address for this class (e.g. PPP). */
535 
536  /* Interface is up as far as software is concerned. */
537  /* NAME.{output,tx} nodes for this interface. */
538  u32 output_node_index, tx_node_index;
539 
540  /* (dev_class, dev_instance) uniquely identifies hw interface. */
543 
544  /* (hw_class, hw_instance) uniquely identifies hw interface. */
547 
548  /* Hardware index for this hardware interface. */
550 
551  /* Software index for this hardware interface. */
553 
554  /* Next index in interface-output node for this interface
555  used by node function vnet_per_buffer_interface_output() */
557 
558  /* Maximum transmit rate for this interface in bits/sec. */
560 
561  /* Smallest packet size supported by this interface. */
563 
564  /* Largest packet size supported by this interface. */
566 
567  /* Smallest packet size for this interface. */
569 
570  /* Largest packet size for this interface. */
572 
573  /* Hash table mapping sub interface id to sw_if_index. */
575 
576  /* Count of number of L2 and L3 subinterfaces */
579 
580  /* Bonded interface info -
581  0 - not a bonded interface nor a slave
582  ~0 - slave to a bonded interface
583  others - A bonded interface with a pointer to bitmap for all slaves */
585 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
586 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
587 
588  /* Input node */
590 
591  /* input node cpu index by queue */
593 
594  /* vnet_hw_interface_rx_mode by queue */
596  vnet_hw_interface_rx_mode default_rx_mode;
597 
598  /* device input device_and_queue runtime index */
600 
601  /* numa node that hardware device connects to */
603 
604  /* trace */
606 
609 
611 
612 typedef enum
613 {
614  /* A hw interface. */
616 
617  /* A sub-interface. */
622 
623 typedef struct
624 {
625  /*
626  * Subinterface ID. A number 0-N to uniquely identify
627  * this subinterface under the main (parent?) interface
628  */
630 
631  /* Classification data. Used to associate packet header with subinterface. */
632  struct
633  {
636  union
637  {
639  struct
640  {
644  u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
649  } flags;
650  };
651  } eth;
653 
654 typedef struct
655 {
656  /*
657  * Subinterface ID. A number 0-N to uniquely identify
658  * this subinterface under the main interface
659  */
662  u8 client_mac[6];
664 
665 typedef enum
666 {
667  /* THe BVI interface */
669  /* Always flood */
672  /* Does not flood when tunnel master is in the same L2 BD */
674  /* Never flood to this type */
677 
678 /* Per protocol MTU */
679 typedef enum
680 {
681  VNET_MTU_L3, /* Default payload MTU (without L2 headers) */
682  VNET_MTU_IP4, /* Per-protocol MTUs overriding default */
686 } vnet_mtu_t;
687 
688 extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link);
689 
691 {
693  /* Interface is "up" meaning administratively up.
694  Up in the sense of link state being up is maintained by hardware interface. */
696 
697  /* Interface is disabled for forwarding: punt all traffic to slow-path. */
699 
700  __VNET_SW_INTERFACE_FLAG_UNSUED = (1 << 2),
701 
703 
704  __VNET_SW_INTERFACE_FLAG_UNUSED2 = (1 << 4),
705 
706  /* Interface does not appear in CLI/API */
708 
709  /* Interface in ERROR state */
711 
712  /* Interface has IP configured directed broadcast */
714 
715 } __attribute__ ((packed)) vnet_sw_interface_flags_t;
716 
717 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
718  tunnel, etc. Configuration (e.g. IP address) gets attached to
719  software interface. */
720 typedef struct
721 {
722  vnet_sw_interface_type_t type:16;
723 
725 
726  /* Index for this interface. */
728 
729  /* Software interface index of super-interface;
730  equal to sw_if_index if this interface is not a
731  sub-interface. */
733 
734  /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
736 
737  /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
739 
740  /* MTU for network layer (not including L2 headers) */
742 
743  /* VNET_SW_INTERFACE_TYPE_SUB. */
745 
746  /* VNET_SW_INTERFACE_TYPE_P2P. */
748 
749  vnet_flood_class_t flood_class;
751 
752 typedef enum
753 {
754  /* Simple counters. */
765  /* Combined counters. */
776 
777 #define foreach_rx_combined_interface_counter(_x) \
778  for (_x = VNET_INTERFACE_COUNTER_RX; \
779  _x <= VNET_INTERFACE_COUNTER_RX_BROADCAST; \
780  _x++)
781 
782 #define foreach_tx_combined_interface_counter(_x) \
783  for (_x = VNET_INTERFACE_COUNTER_TX; \
784  _x <= VNET_INTERFACE_COUNTER_TX_BROADCAST; \
785  _x++)
786 
787 #define foreach_simple_interface_counter_name \
788  _(DROP, drops, if) \
789  _(PUNT, punt, if) \
790  _(IP4, ip4, if) \
791  _(IP6, ip6, if) \
792  _(RX_NO_BUF, rx-no-buf, if) \
793  _(RX_MISS, rx-miss, if) \
794  _(RX_ERROR, rx-error, if) \
795  _(TX_ERROR, tx-error, if) \
796  _(MPLS, mpls, if)
797 
798 #define foreach_combined_interface_counter_name \
799  _(RX, rx, if) \
800  _(RX_UNICAST, rx-unicast, if) \
801  _(RX_MULTICAST, rx-multicast, if) \
802  _(RX_BROADCAST, rx-broadcast, if) \
803  _(TX, tx, if) \
804  _(TX_UNICAST, tx-unicast, if) \
805  _(TX_MULTICAST, tx-multicast, if) \
806  _(TX_BROADCAST, tx-broadcast, if)
807 
808 typedef enum
809 {
813 
815 
816 static inline int
818 {
820 }
821 
824 
825 
826 typedef struct
827 {
831 
832 typedef struct
833 {
834  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
837 
838 typedef u8 *(*vnet_buffer_opquae_formatter_t) (const vlib_buffer_t * b,
839  u8 * s);
840 
841 typedef struct
842 {
843  /* Hardware interfaces. */
845 
846  /* Hash table mapping HW interface name to index. */
848 
849  /* Vectors if hardware interface classes and device classes. */
852 
853  /* Hash table mapping name to hw interface/device class. */
856 
857  /* Software interfaces. */
859 
860  /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
862 
863  /* Software interface counters both simple and combined
864  packet and byte counters. */
868 
870 
871  /*
872  * pcap drop tracing
873  * Only the drop filter hash lives here. See ../src/vlib/main.h for
874  * the rest of the variables.
875  */
877 
878  /* Buffer metadata format helper functions */
881 
882  /* per-thread data */
884 
885  /* feature_arc_index */
888 
889 static inline void
891 {
892  if (im->sw_if_counter_lock)
894 }
895 
896 static inline void
898 {
899  if (im->sw_if_counter_lock)
901 }
902 
903 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
904 
905 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
906 
908  vlib_node_runtime_t * node,
909  vlib_frame_t * frame);
910 
913 
916 
917 typedef struct
918 {
920  int enable;
921  int status;
928  int filter;
930 
932 
933 #endif /* included_vnet_interface_h */
934 
935 /*
936  * fd.io coding-style-patch-verification: ON
937  *
938  * Local Variables:
939  * eval: (c-set-style "gnu")
940  * End:
941  */
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:1635
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition: cache.h:60
static_always_inline void clib_spinlock_unlock(clib_spinlock_t *p)
Definition: lock.h:102
static_always_inline void clib_spinlock_lock(clib_spinlock_t *p)
Definition: lock.h:80
void collect_detailed_interface_stats_flag_set(void)
Definition: interface.c:1694
vnet_interface_per_thread_data_t * per_thread_data
Definition: interface.h:883
clib_spinlock_t sw_if_counter_lock
Definition: interface.h:865
clib_error_t *() vnet_interface_add_del_mac_address_function_t(struct vnet_hw_interface_t *hi, const u8 *address, u8 is_add)
Definition: interface.h:79
vnet_hw_interface_nodes_t * deleted_hw_interface_nodes
Definition: interface.h:869
vnet_p2p_sub_interface_t p2p
Definition: interface.h:747
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:69
u32 * input_node_thread_index_by_queue
Definition: interface.h:592
a non-broadcast multiple access interface
Definition: interface.h:379
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:88
vl_api_address_t src
Definition: gre.api:54
uword * sub_interface_sw_if_index_by_id
Definition: interface.h:574
struct _vnet_device_class vnet_device_class_t
uword * dq_runtime_index_by_queue
Definition: interface.h:599
vnet_mtu_t vnet_link_to_mtu(vnet_link_t link)
Definition: interface.c:1619
unsigned char u8
Definition: types.h:56
vnet_interface_stats_collection_mode_e
Definition: interface.h:808
void vnet_register_format_buffer_opaque_helper(vnet_buffer_opquae_formatter_t fn)
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:53
vnet_flood_class_t flood_class
Definition: interface.h:749
uword * pcap_drop_filter_hash
Definition: interface.h:876
vnet_l3_packet_type_t
Definition: l3_types.h:44
vl_api_interface_index_t sw_if_index
Definition: gre.api:53
vlib_combined_counter_main_t * combined_sw_if_counters
Definition: interface.h:867
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:526
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:1691
uword vnet_interface_output_node(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
A collection of simple counters.
Definition: counter.h:57
void vnet_pcap_drop_trace_filter_add_del(u32 error_index, int is_add)
vnet_sw_interface_flags_t_
Definition: interface.h:690
u32 max_supported_packet_bytes
Definition: interface.h:565
uword * hw_interface_by_name
Definition: interface.h:847
vnet_l3_packet_type_t vnet_link_to_l3_proto(vnet_link_t link)
Convert a link to to an Ethertype.
Definition: interface.c:1597
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:844
vnet_sub_interface_t sub
Definition: interface.h:744
vnet_buffer_opquae_formatter_t * buffer_opaque_format_helpers
Definition: interface.h:879
unsigned short u16
Definition: types.h:57
vnet_mtu_t
Definition: interface.h:679
uword * sw_if_index_by_sup_and_sub
Definition: interface.h:861
vnet_sw_interface_flags_t flags
Definition: interface.h:724
vlib_simple_counter_main_t * sw_if_counters
Definition: interface.h:866
uword() unformat_function_t(unformat_input_t *input, va_list *args)
Definition: format.h:233
vnet_device_class_t vnet_local_interface_device_class
vl_api_address_t dst
Definition: gre.api:55
vnet_interface_function_priority_t_
Definition: interface.h:105
uword * hw_interface_class_by_name
Definition: interface.h:854
int(* vnet_dev_class_ip_tunnel_desc_t)(u32 sw_if_index, union ip46_address_t_ *src, union ip46_address_t_ *dst, u8 *is_l2)
Tunnel description parameters.
Definition: interface.h:185
vnet_flow_dev_op_t
Definition: interface.h:91
void vnet_register_format_buffer_opaque2_helper(vnet_buffer_opquae_formatter_t fn)
u32 flags
Definition: vhost_user.h:248
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:665
vnet_link_t_
Link Type: A description of the protocol of packets on the link.
Definition: interface.h:328
static u8 * format_device(u8 *s, va_list *args)
Definition: mactime_top.c:329
static void vnet_interface_counter_unlock(vnet_interface_main_t *im)
Definition: interface.h:897
static int collect_detailed_interface_stats(void)
Definition: interface.h:817
int vnet_pcap_dispatch_trace_configure(vnet_pcap_dispatch_trace_args_t *)
vnet_interface_counter_type_t
Definition: interface.h:752
string name[64]
Definition: ip.api:44
u32 trace_classify_table_index
Definition: interface.h:607
static void vnet_interface_counter_lock(vnet_interface_main_t *im)
Definition: interface.h:890
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:65
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:855
vnet_buffer_opquae_formatter_t * buffer_opaque2_format_helpers
Definition: interface.h:880
vl_api_ip4_address_t hi
Definition: arp.api:37
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:83
struct vnet_hw_interface_t vnet_hw_interface_t
struct _vnet_hw_interface_class vnet_hw_interface_class_t
VLIB buffer representation.
Definition: buffer.h:102
u64 uword
Definition: types.h:112
vnet_sw_interface_t * sw_interfaces
Definition: interface.h:858
a point 2 point interface
Definition: interface.h:375
vnet_hw_interface_class_t * hw_interface_classes
Definition: interface.h:850
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:74
u32 min_supported_packet_bytes
Definition: interface.h:562
vnet_sw_interface_type_t type
Definition: interface.h:722
vnet_hw_interface_flags_t_
Definition: interface.h:486
u8 *(* vnet_buffer_opquae_formatter_t)(const vlib_buffer_t *b, u8 *s)
Definition: interface.h:838
vnet_hw_interface_rx_mode default_rx_mode
Definition: interface.h:596
vnet_device_class_t * device_classes
Definition: interface.h:851
void collect_detailed_interface_stats_flag_clear(void)
Definition: interface.c:1700
void default_update_adjacency(struct vnet_main_t *vnm, u32 sw_if_index, u32 adj_index)
Default adjacency update function.
Definition: interface.c:1643
int vnet_interface_name_renumber(u32 sw_if_index, u32 new_show_dev_instance)
Definition: interface.c:1391
vnet_hw_interface_class_flags_t_
Attributes assignable to a HW interface Class.
Definition: interface.h:370
vnet_sw_interface_type_t
Definition: interface.h:612
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:100