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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 set rx mode callback. */
79  (struct vnet_main_t * vnm, u32 if_index, u32 queue_id,
80  vnet_hw_interface_rx_mode mode);
81 
82 /* Interface set l2 mode callback. */
84  (struct vnet_main_t * vnm, struct vnet_hw_interface_t * hi,
85  i32 l2_if_adjust);
86 
87 typedef enum
88 {
94 
95 /* Interface flow operations callback. */
96 typedef int (vnet_flow_dev_ops_function_t) (struct vnet_main_t * vnm,
97  vnet_flow_dev_op_t op,
98  u32 hw_if_index, u32 index,
99  uword * private_data);
100 
102 {
106 #define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
107 
108 typedef struct _vnet_interface_function_list_elt
109 {
110  struct _vnet_interface_function_list_elt *next_interface_function;
111  clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
112 } _vnet_interface_function_list_elt_t;
113 
114 #ifndef CLIB_MARCH_VARIANT
115 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
116  \
117 static void __vnet_interface_function_init_##tag##_##f (void) \
118  __attribute__((__constructor__)) ; \
119  \
120 static void __vnet_interface_function_init_##tag##_##f (void) \
121 { \
122  vnet_main_t * vnm = vnet_get_main(); \
123  static _vnet_interface_function_list_elt_t init_function; \
124  init_function.next_interface_function = vnm->tag##_functions[p]; \
125  vnm->tag##_functions[p] = &init_function; \
126  init_function.fp = (void *) &f; \
127 } \
128 static void __vnet_interface_function_deinit_##tag##_##f (void) \
129  __attribute__((__destructor__)) ; \
130  \
131 static void __vnet_interface_function_deinit_##tag##_##f (void) \
132 { \
133  vnet_main_t * vnm = vnet_get_main(); \
134  _vnet_interface_function_list_elt_t *next; \
135  if (vnm->tag##_functions[p]->fp == f) \
136  { \
137  vnm->tag##_functions[p] = \
138  vnm->tag##_functions[p]->next_interface_function; \
139  return; \
140  } \
141  next = vnm->tag##_functions[p]; \
142  while (next->next_interface_function) \
143  { \
144  if (next->next_interface_function->fp == f) \
145  { \
146  next->next_interface_function = \
147  next->next_interface_function->next_interface_function; \
148  return; \
149  } \
150  next = next->next_interface_function; \
151  } \
152 }
153 #else
154 /* create unused pointer to silence compiler warnings and get whole
155  function optimized out */
156 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
157 static __clib_unused void * __clib_unused_##f = f;
158 #endif
159 
160 #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
161  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
162 
163 #define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
164  _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
165 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
166  _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
167 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
168  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
169 #define VNET_SW_INTERFACE_MTU_CHANGE_FUNCTION(f) \
170  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_mtu_change)
171 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
172  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
173 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
174  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
175 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
176  _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
177 
178 /**
179  * Tunnel description parameters
180  */
182  union ip46_address_t_ * src,
183  union ip46_address_t_ * dst,
184  u8 * is_l2);
185 
186 /* A class of hardware interface devices. */
187 typedef struct _vnet_device_class
188 {
189  /* Index into main vector. */
190  u32 index;
191 
192  /* Device name (e.g. "FOOBAR 1234a"). */
193  char *name;
194 
195  /* Function to call when hardware interface is added/deleted. */
196  vnet_interface_function_t *interface_add_del_function;
197 
198  /* Function to bring device administratively up/down. */
200 
201  /* Function to call when sub-interface is added/deleted */
202  vnet_subif_add_del_function_t *subif_add_del_function;
203 
204  /* Function to call interface rx mode is changed */
205  vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
206 
207  /* Function to call interface l2 mode is changed */
208  vnet_interface_set_l2_mode_function_t *set_l2_mode_function;
209 
210  /* Redistribute flag changes/existence of this interface class. */
211  u32 redistribute;
212 
213  /* Transmit function. */
214  vlib_node_function_t *tx_function;
215 
216  /* Transmit function candidate registration with priority */
217  vlib_node_fn_registration_t *tx_fn_registrations;
218 
219  /* Error strings indexed by error code for this node. */
220  char **tx_function_error_strings;
221 
222  /* Number of error codes used by this node. */
223  u32 tx_function_n_errors;
224 
225  /* Renumber device name [only!] support, a control-plane kludge */
226  int (*name_renumber) (struct vnet_hw_interface_t * hi,
227  u32 new_dev_instance);
228 
229  /* Interface flow offload operations */
230  vnet_flow_dev_ops_function_t *flow_ops_function;
231 
232  /* Format device instance as name. */
233  format_function_t *format_device_name;
234 
235  /* Parse function for device name. */
236  unformat_function_t *unformat_device_name;
237 
238  /* Format device verbosely for this class. */
239  format_function_t *format_device;
240 
241  /* Trace buffer format for TX function. */
242  format_function_t *format_tx_trace;
243 
244  /* Format flow offload entry */
246 
248 
249  /* Function to clear hardware counters for device. */
250  void (*clear_counters) (u32 dev_class_instance);
251 
252  uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
253  u32 hw_if_index,
254  u32 hw_class_index);
255 
256  /* Called when hardware class of an interface changes. */
257  void (*hw_class_change) (struct vnet_main_t * vnm,
258  u32 hw_if_index, u32 new_hw_class_index);
259 
260  /* Called to redirect traffic from a specific interface instance */
261  void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
262  u32 hw_if_index, u32 node_index);
263 
264  /* Link-list of all device classes set up by constructors created below */
265  struct _vnet_device_class *next_class_registration;
266 
267  /* Function to set mac address. */
268  vnet_interface_set_mac_address_function_t *mac_addr_change_function;
270 
271 #ifndef CLIB_MARCH_VARIANT
272 #define VNET_DEVICE_CLASS(x,...) \
273  __VA_ARGS__ vnet_device_class_t x; \
274 static void __vnet_add_device_class_registration_##x (void) \
275  __attribute__((__constructor__)) ; \
276 static void __vnet_add_device_class_registration_##x (void) \
277 { \
278  vnet_main_t * vnm = vnet_get_main(); \
279  x.next_class_registration = vnm->device_class_registrations; \
280  vnm->device_class_registrations = &x; \
281 } \
282 static void __vnet_rm_device_class_registration_##x (void) \
283  __attribute__((__destructor__)) ; \
284 static void __vnet_rm_device_class_registration_##x (void) \
285 { \
286  vnet_main_t * vnm = vnet_get_main(); \
287  VLIB_REMOVE_FROM_LINKED_LIST (vnm->device_class_registrations, \
288  &x, next_class_registration); \
289 } \
290 __VA_ARGS__ vnet_device_class_t x
291 #else
292 /* create unused pointer to silence compiler warnings and get whole
293  function optimized out */
294 #define VNET_DEVICE_CLASS(x,...) \
295 static __clib_unused vnet_device_class_t __clib_unused_##x
296 #endif
297 
298 #define VNET_DEVICE_CLASS_TX_FN(devclass) \
299 uword CLIB_MARCH_SFX (devclass##_tx_fn)(); \
300 static vlib_node_fn_registration_t \
301  CLIB_MARCH_SFX(devclass##_tx_fn_registration) = \
302  { .function = &CLIB_MARCH_SFX (devclass##_tx_fn), }; \
303  \
304 static void __clib_constructor \
305 CLIB_MARCH_SFX (devclass##_tx_fn_multiarch_register) (void) \
306 { \
307  extern vnet_device_class_t devclass; \
308  vlib_node_fn_registration_t *r; \
309  r = &CLIB_MARCH_SFX (devclass##_tx_fn_registration); \
310  r->priority = CLIB_MARCH_FN_PRIORITY(); \
311  r->next_registration = devclass.tx_fn_registrations; \
312  devclass.tx_fn_registrations = r; \
313 } \
314 uword CLIB_CPU_OPTIMIZED CLIB_MARCH_SFX (devclass##_tx_fn)
315 
316 /**
317  * Link Type: A description of the protocol of packets on the link.
318  * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
319  * it maps to the GRE-proto, etc for other lnk types.
320  */
321 typedef enum vnet_link_t_
322 {
323 #if CLIB_DEBUG > 0
325 #else
326  VNET_LINK_IP4 = 0,
327 #endif
333 } __attribute__ ((packed)) vnet_link_t;
334 
335 #define VNET_LINKS { \
336  [VNET_LINK_ETHERNET] = "ethernet", \
337  [VNET_LINK_IP4] = "ipv4", \
338  [VNET_LINK_IP6] = "ipv6", \
339  [VNET_LINK_MPLS] = "mpls", \
340  [VNET_LINK_ARP] = "arp", \
341  [VNET_LINK_NSH] = "nsh", \
342 }
343 
344 #define FOR_EACH_VNET_LINK(_link) \
345  for (_link = VNET_LINK_IP4; \
346  _link <= VNET_LINK_NSH; \
347  _link++)
348 
349 /**
350  * @brief Number of link types. Not part of the enum so it does not have to be included in
351  * switch statements
352  */
353 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
354 
355 /**
356  * @brief Convert a link to to an Ethertype
357  */
358 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
359 
360 /**
361  * @brief Attributes assignable to a HW interface Class.
362  */
364 {
365  /**
366  * @brief a point 2 point interface
367  */
370 
371 /* Layer-2 (e.g. Ethernet) interface class. */
372 typedef struct _vnet_hw_interface_class
373 {
374  /* Index into main vector. */
375  u32 index;
376 
377  /* Class name (e.g. "Ethernet"). */
378  char *name;
379 
380  /* Flags */
382 
383  /* Function to call when hardware interface is added/deleted. */
384  vnet_interface_function_t *interface_add_del_function;
385 
386  /* Function to bring interface administratively up/down. */
388 
389  /* Function to call when link state changes. */
391 
392  /* Function to call when link MAC changes. */
393  vnet_interface_set_mac_address_function_t *mac_addr_change_function;
394 
395  /* Format function to display interface name. */
396  format_function_t *format_interface_name;
397 
398  /* Format function to display interface address. */
399  format_function_t *format_address;
400 
401  /* Format packet header for this interface class. */
402  format_function_t *format_header;
403 
404  /* Format device verbosely for this class. */
405  format_function_t *format_device;
406 
407  /* Parser for hardware (e.g. ethernet) address. */
408  unformat_function_t *unformat_hw_address;
409 
410  /* Parser for packet header for e.g. rewrite string. */
411  unformat_function_t *unformat_header;
412 
413  /* Builds a rewrite string for the interface to the destination
414  * for the payload/link type. */
415  u8 *(*build_rewrite) (struct vnet_main_t * vnm,
417  vnet_link_t link_type, const void *dst_hw_address);
418 
419  /* Update an adjacency added by FIB (as opposed to via the
420  * neighbour resolution protocol). */
421  void (*update_adjacency) (struct vnet_main_t * vnm,
422  u32 sw_if_index, u32 adj_index);
423 
424  uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
425  u32 hw_if_index,
426  u32 hw_class_index);
427 
428  /* Called when hw interface class is changed and old hardware instance
429  may want to be deleted. */
430  void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
431  u32 old_class_index, u32 new_class_index);
432 
433  /* List of hw interface classes, built by constructors */
434  struct _vnet_hw_interface_class *next_class_registration;
435 
437 
438 /**
439  * @brief Return a complete, zero-length (aka dummy) rewrite
440  */
441 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
442  u32 sw_if_index,
443  vnet_link_t link_type,
444  const void *dst_hw_address);
445 
446 /**
447  * @brief Default adjacency update function
448  */
449 extern void default_update_adjacency (struct vnet_main_t *vnm,
450  u32 sw_if_index, u32 adj_index);
451 
452 #define VNET_HW_INTERFACE_CLASS(x,...) \
453  __VA_ARGS__ vnet_hw_interface_class_t x; \
454 static void __vnet_add_hw_interface_class_registration_##x (void) \
455  __attribute__((__constructor__)) ; \
456 static void __vnet_add_hw_interface_class_registration_##x (void) \
457 { \
458  vnet_main_t * vnm = vnet_get_main(); \
459  x.next_class_registration = vnm->hw_interface_class_registrations; \
460  vnm->hw_interface_class_registrations = &x; \
461 } \
462 static void __vnet_rm_hw_interface_class_registration_##x (void) \
463  __attribute__((__destructor__)) ; \
464 static void __vnet_rm_hw_interface_class_registration_##x (void) \
465 { \
466  vnet_main_t * vnm = vnet_get_main(); \
467  VLIB_REMOVE_FROM_LINKED_LIST (vnm->hw_interface_class_registrations,\
468  &x, next_class_registration); \
469 } \
470 __VA_ARGS__ vnet_hw_interface_class_t x
471 
473 {
475  /* Hardware link state is up. */
477  /* Hardware duplex state */
480 
481  /* rx mode flags */
483 
484  /* tx checksum offload */
486 
487  /* gso */
490 
491 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
492 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
493 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
494  (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
495  VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
496 
497 /* Hardware-interface. This corresponds to a physical wire
498  that packets flow over. */
499 typedef struct vnet_hw_interface_t
500 {
501  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
502  /* Interface name. */
504 
505  /* flags */
507 
508 
509  /* link speed in kbps */
511 
512  /* Hardware address as vector. Zero (e.g. zero-length vector) if no
513  address for this class (e.g. PPP). */
515 
516  /* Interface is up as far as software is concerned. */
517  /* NAME.{output,tx} nodes for this interface. */
518  u32 output_node_index, tx_node_index;
519 
520  /* (dev_class, dev_instance) uniquely identifies hw interface. */
523 
524  /* (hw_class, hw_instance) uniquely identifies hw interface. */
527 
528  /* Hardware index for this hardware interface. */
530 
531  /* Software index for this hardware interface. */
533 
534  /* Next index in interface-output node for this interface
535  used by node function vnet_per_buffer_interface_output() */
537 
538  /* Maximum transmit rate for this interface in bits/sec. */
540 
541  /* Smallest packet size supported by this interface. */
543 
544  /* Largest packet size supported by this interface. */
546 
547  /* Smallest packet size for this interface. */
549 
550  /* Largest packet size for this interface. */
552 
553  /* Hash table mapping sub interface id to sw_if_index. */
555 
556  /* Count of number of L2 subinterfaces */
558 
559  /* Bonded interface info -
560  0 - not a bonded interface nor a slave
561  ~0 - slave to a bonded interface
562  others - A bonded interface with a pointer to bitmap for all slaves */
564 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
565 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
566 
567  /* Input node */
569 
570  /* input node cpu index by queue */
572 
573  /* vnet_hw_interface_rx_mode by queue */
575  vnet_hw_interface_rx_mode default_rx_mode;
576 
577  /* device input device_and_queue runtime index */
579 
580  /* numa node that hardware device connects to */
582 
583  /* trace */
585 
588 
590 
591 typedef enum
592 {
593  /* A hw interface. */
595 
596  /* A sub-interface. */
601 
602 typedef struct
603 {
604  /*
605  * Subinterface ID. A number 0-N to uniquely identify
606  * this subinterface under the main (parent?) interface
607  */
609 
610  /* Classification data. Used to associate packet header with subinterface. */
611  struct
612  {
615  union
616  {
618  struct
619  {
623  u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
628  } flags;
629  };
630  } eth;
632 
633 typedef struct
634 {
635  /*
636  * Subinterface ID. A number 0-N to uniquely identify
637  * this subinterface under the main interface
638  */
641  u8 client_mac[6];
643 
644 typedef enum
645 {
646  /* THe BVI interface */
648  /* Always flood */
651  /* Does not flood when tunnel master is in the same L2 BD */
653  /* Never flood to this type */
656 
657 /* Per protocol MTU */
658 typedef enum
659 {
660  VNET_MTU_L3, /* Default payload MTU (without L2 headers) */
661  VNET_MTU_IP4, /* Per-protocol MTUs overriding default */
665 } vnet_mtu_t;
666 
667 extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link);
668 
670 {
672  /* Interface is "up" meaning administratively up.
673  Up in the sense of link state being up is maintained by hardware interface. */
675 
676  /* Interface is disabled for forwarding: punt all traffic to slow-path. */
678 
679  __VNET_SW_INTERFACE_FLAG_UNSUED = (1 << 2),
680 
682 
683  __VNET_SW_INTERFACE_FLAG_UNUSED2 = (1 << 4),
684 
685  /* Interface does not appear in CLI/API */
687 
688  /* Interface in ERROR state */
690 
691  /* Interface has IP configured directed broadcast */
693 
694 } __attribute__ ((packed)) vnet_sw_interface_flags_t;
695 
696 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
697  tunnel, etc. Configuration (e.g. IP address) gets attached to
698  software interface. */
699 typedef struct
700 {
701  vnet_sw_interface_type_t type:16;
702 
704 
705  /* Index for this interface. */
707 
708  /* Software interface index of super-interface;
709  equal to sw_if_index if this interface is not a
710  sub-interface. */
712 
713  /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
715 
716  /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
718 
719  /* MTU for network layer (not including L2 headers) */
721 
722  /* VNET_SW_INTERFACE_TYPE_SUB. */
724 
725  /* VNET_SW_INTERFACE_TYPE_P2P. */
727 
728  vnet_flood_class_t flood_class;
730 
731 typedef enum
732 {
733  /* Simple counters. */
744  /* Combined counters. */
755 
756 #define foreach_rx_combined_interface_counter(_x) \
757  for (_x = VNET_INTERFACE_COUNTER_RX; \
758  _x <= VNET_INTERFACE_COUNTER_RX_BROADCAST; \
759  _x++)
760 
761 #define foreach_tx_combined_interface_counter(_x) \
762  for (_x = VNET_INTERFACE_COUNTER_TX; \
763  _x <= VNET_INTERFACE_COUNTER_TX_BROADCAST; \
764  _x++)
765 
766 #define foreach_simple_interface_counter_name \
767  _(DROP, drops, if) \
768  _(PUNT, punt, if) \
769  _(IP4, ip4, if) \
770  _(IP6, ip6, if) \
771  _(RX_NO_BUF, rx-no-buf, if) \
772  _(RX_MISS, rx-miss, if) \
773  _(RX_ERROR, rx-error, if) \
774  _(TX_ERROR, tx-error, if) \
775  _(MPLS, mpls, if)
776 
777 #define foreach_combined_interface_counter_name \
778  _(RX, rx, if) \
779  _(RX_UNICAST, rx-unicast, if) \
780  _(RX_MULTICAST, rx-multicast, if) \
781  _(RX_BROADCAST, rx-broadcast, if) \
782  _(TX, tx, if) \
783  _(TX_UNICAST, tx-unicast, if) \
784  _(TX_MULTICAST, tx-multicast, if) \
785  _(TX_BROADCAST, tx-broadcast, if)
786 
787 typedef enum
788 {
792 
794 
795 static inline int
797 {
799 }
800 
803 
804 
805 typedef struct
806 {
810 
811 typedef struct
812 {
813  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
816 
817 typedef u8 *(*vnet_buffer_opquae_formatter_t) (const vlib_buffer_t * b,
818  u8 * s);
819 
820 typedef struct
821 {
822  /* Hardware interfaces. */
824 
825  /* Hash table mapping HW interface name to index. */
827 
828  /* Vectors if hardware interface classes and device classes. */
831 
832  /* Hash table mapping name to hw interface/device class. */
835 
836  /* Software interfaces. */
838 
839  /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
841 
842  /* Software interface counters both simple and combined
843  packet and byte counters. */
847 
849 
850  /*
851  * pcap drop tracing
852  * Only the drop filter hash lives here. See ../src/vlib/main.h for
853  * the rest of the variables.
854  */
856 
857  /* Buffer metadata format helper functions */
860 
861  /* per-thread data */
863 
864  /* enable GSO processing in packet path if this count is > 0 */
866 
867  /* feature_arc_index */
870 
871 static inline void
873 {
874  if (im->sw_if_counter_lock)
876 }
877 
878 static inline void
880 {
881  if (im->sw_if_counter_lock)
883 }
884 
885 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
886 
887 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
888 
890  vlib_node_runtime_t * node,
891  vlib_frame_t * frame);
892 
895 
898 
899 typedef struct
900 {
902  int enable;
903  int status;
912  int filter;
914 
916 
917 #endif /* included_vnet_interface_h */
918 
919 /*
920  * fd.io coding-style-patch-verification: ON
921  *
922  * Local Variables:
923  * eval: (c-set-style "gnu")
924  * End:
925  */
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:1578
vmrglw vmrglh hi
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition: cache.h:60
u32 flags
Definition: vhost_user.h:141
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:1637
vnet_interface_per_thread_data_t * per_thread_data
Definition: interface.h:862
clib_spinlock_t sw_if_counter_lock
Definition: interface.h:844
vnet_hw_interface_nodes_t * deleted_hw_interface_nodes
Definition: interface.h:848
vnet_p2p_sub_interface_t p2p
Definition: interface.h:726
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:571
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:84
vl_api_address_t src
Definition: gre.api:51
uword * sub_interface_sw_if_index_by_id
Definition: interface.h:554
struct _vnet_device_class vnet_device_class_t
uword * dq_runtime_index_by_queue
Definition: interface.h:578
vnet_mtu_t vnet_link_to_mtu(vnet_link_t link)
Definition: interface.c:1562
unsigned char u8
Definition: types.h:56
vnet_interface_stats_collection_mode_e
Definition: interface.h:787
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:728
uword * pcap_drop_filter_hash
Definition: interface.h:855
vnet_l3_packet_type_t
Definition: l3_types.h:44
vl_api_interface_index_t sw_if_index
Definition: gre.api:50
vlib_combined_counter_main_t * combined_sw_if_counters
Definition: interface.h:846
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:506
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:1634
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:669
u32 max_supported_packet_bytes
Definition: interface.h:545
uword * hw_interface_by_name
Definition: interface.h:826
vnet_l3_packet_type_t vnet_link_to_l3_proto(vnet_link_t link)
Convert a link to to an Ethertype.
Definition: interface.c:1540
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:823
vnet_sub_interface_t sub
Definition: interface.h:723
vnet_buffer_opquae_formatter_t * buffer_opaque_format_helpers
Definition: interface.h:858
unsigned short u16
Definition: types.h:57
vnet_mtu_t
Definition: interface.h:658
uword * sw_if_index_by_sup_and_sub
Definition: interface.h:840
vnet_sw_interface_flags_t flags
Definition: interface.h:703
vlib_simple_counter_main_t * sw_if_counters
Definition: interface.h:845
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:52
vnet_interface_function_priority_t_
Definition: interface.h:101
u8 name[64]
Definition: memclnt.api:152
uword * hw_interface_class_by_name
Definition: interface.h:833
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:181
vnet_flow_dev_op_t
Definition: interface.h:87
void vnet_register_format_buffer_opaque2_helper(vnet_buffer_opquae_formatter_t fn)
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:644
vnet_link_t_
Link Type: A description of the protocol of packets on the link.
Definition: interface.h:321
static void vnet_interface_counter_unlock(vnet_interface_main_t *im)
Definition: interface.h:879
static int collect_detailed_interface_stats(void)
Definition: interface.h:796
int vnet_pcap_dispatch_trace_configure(vnet_pcap_dispatch_trace_args_t *)
vnet_interface_counter_type_t
Definition: interface.h:731
u32 trace_classify_table_index
Definition: interface.h:586
static void vnet_interface_counter_lock(vnet_interface_main_t *im)
Definition: interface.h:872
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:834
vnet_buffer_opquae_formatter_t * buffer_opaque2_format_helpers
Definition: interface.h:859
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:79
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:837
a point 2 point interface
Definition: interface.h:368
vnet_hw_interface_class_t * hw_interface_classes
Definition: interface.h:829
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:542
vnet_sw_interface_type_t type
Definition: interface.h:701
vnet_hw_interface_flags_t_
Definition: interface.h:472
u8 *(* vnet_buffer_opquae_formatter_t)(const vlib_buffer_t *b, u8 *s)
Definition: interface.h:817
vnet_hw_interface_rx_mode default_rx_mode
Definition: interface.h:575
vnet_device_class_t * device_classes
Definition: interface.h:830
void collect_detailed_interface_stats_flag_clear(void)
Definition: interface.c:1643
void default_update_adjacency(struct vnet_main_t *vnm, u32 sw_if_index, u32 adj_index)
Default adjacency update function.
Definition: interface.c:1586
int vnet_interface_name_renumber(u32 sw_if_index, u32 new_show_dev_instance)
Definition: interface.c:1376
vnet_hw_interface_class_flags_t_
Attributes assignable to a HW interface Class.
Definition: interface.h:363
vnet_sw_interface_type_t
Definition: interface.h:591
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:96