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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 /**
306  * Link Type: A description of the protocol of packets on the link.
307  * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
308  * it maps to the GRE-proto, etc for other lnk types.
309  */
310 typedef enum vnet_link_t_
311 {
312 #if CLIB_DEBUG > 0
314 #else
315  VNET_LINK_IP4 = 0,
316 #endif
322 } __attribute__ ((packed)) vnet_link_t;
323 
324 #define VNET_LINKS { \
325  [VNET_LINK_ETHERNET] = "ethernet", \
326  [VNET_LINK_IP4] = "ipv4", \
327  [VNET_LINK_IP6] = "ipv6", \
328  [VNET_LINK_MPLS] = "mpls", \
329  [VNET_LINK_ARP] = "arp", \
330  [VNET_LINK_NSH] = "nsh", \
331 }
332 
333 #define FOR_EACH_VNET_LINK(_link) \
334  for (_link = VNET_LINK_IP4; \
335  _link <= VNET_LINK_NSH; \
336  _link++)
337 
338 /**
339  * @brief Number of link types. Not part of the enum so it does not have to be included in
340  * switch statements
341  */
342 #define VNET_LINK_NUM (VNET_LINK_NSH+1)
343 
344 /**
345  * @brief Convert a link to to an Ethertype
346  */
347 extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
348 
349 /**
350  * @brief Attributes assignable to a HW interface Class.
351  */
353 {
354  /**
355  * @brief a point 2 point interface
356  */
359 
360 /* Layer-2 (e.g. Ethernet) interface class. */
361 typedef struct _vnet_hw_interface_class
362 {
363  /* Index into main vector. */
364  u32 index;
365 
366  /* Class name (e.g. "Ethernet"). */
367  char *name;
368 
369  /* Flags */
371 
372  /* Function to call when hardware interface is added/deleted. */
373  vnet_interface_function_t *interface_add_del_function;
374 
375  /* Function to bring interface administratively up/down. */
377 
378  /* Function to call when link state changes. */
380 
381  /* Function to call when link MAC changes. */
382  vnet_interface_set_mac_address_function_t *mac_addr_change_function;
383 
384  /* Format function to display interface name. */
385  format_function_t *format_interface_name;
386 
387  /* Format function to display interface address. */
388  format_function_t *format_address;
389 
390  /* Format packet header for this interface class. */
391  format_function_t *format_header;
392 
393  /* Format device verbosely for this class. */
394  format_function_t *format_device;
395 
396  /* Parser for hardware (e.g. ethernet) address. */
397  unformat_function_t *unformat_hw_address;
398 
399  /* Parser for packet header for e.g. rewrite string. */
400  unformat_function_t *unformat_header;
401 
402  /* Builds a rewrite string for the interface to the destination
403  * for the payload/link type. */
404  u8 *(*build_rewrite) (struct vnet_main_t * vnm,
406  vnet_link_t link_type, const void *dst_hw_address);
407 
408  /* Update an adjacency added by FIB (as opposed to via the
409  * neighbour resolution protocol). */
410  void (*update_adjacency) (struct vnet_main_t * vnm,
411  u32 sw_if_index, u32 adj_index);
412 
413  uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
414  u32 hw_if_index,
415  u32 hw_class_index);
416 
417  /* Called when hw interface class is changed and old hardware instance
418  may want to be deleted. */
419  void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
420  u32 old_class_index, u32 new_class_index);
421 
422  /* List of hw interface classes, built by constructors */
423  struct _vnet_hw_interface_class *next_class_registration;
424 
426 
427 /**
428  * @brief Return a complete, zero-length (aka dummy) rewrite
429  */
430 extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
431  u32 sw_if_index,
432  vnet_link_t link_type,
433  const void *dst_hw_address);
434 
435 /**
436  * @brief Default adjacency update function
437  */
438 extern void default_update_adjacency (struct vnet_main_t *vnm,
439  u32 sw_if_index, u32 adj_index);
440 
441 #define VNET_HW_INTERFACE_CLASS(x,...) \
442  __VA_ARGS__ vnet_hw_interface_class_t x; \
443 static void __vnet_add_hw_interface_class_registration_##x (void) \
444  __attribute__((__constructor__)) ; \
445 static void __vnet_add_hw_interface_class_registration_##x (void) \
446 { \
447  vnet_main_t * vnm = vnet_get_main(); \
448  x.next_class_registration = vnm->hw_interface_class_registrations; \
449  vnm->hw_interface_class_registrations = &x; \
450 } \
451 static void __vnet_rm_hw_interface_class_registration_##x (void) \
452  __attribute__((__destructor__)) ; \
453 static void __vnet_rm_hw_interface_class_registration_##x (void) \
454 { \
455  vnet_main_t * vnm = vnet_get_main(); \
456  VLIB_REMOVE_FROM_LINKED_LIST (vnm->hw_interface_class_registrations,\
457  &x, next_class_registration); \
458 } \
459 __VA_ARGS__ vnet_hw_interface_class_t x
460 
462 {
464  /* Hardware link state is up. */
466  /* Hardware duplex state */
469 
470  /* rx mode flags */
472 
473  /* tx checksum offload */
475 
476  /* gso */
479 
480 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
481 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
482 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
483  (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
484  VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
485 
486 /* Hardware-interface. This corresponds to a physical wire
487  that packets flow over. */
488 typedef struct vnet_hw_interface_t
489 {
490  /* Interface name. */
492 
493  /* flags */
495 
496 
497  /* link speed in kbps */
499 
500  /* Hardware address as vector. Zero (e.g. zero-length vector) if no
501  address for this class (e.g. PPP). */
503 
504  /* Interface is up as far as software is concerned. */
505  /* NAME.{output,tx} nodes for this interface. */
506  u32 output_node_index, tx_node_index;
507 
508  /* (dev_class, dev_instance) uniquely identifies hw interface. */
511 
512  /* (hw_class, hw_instance) uniquely identifies hw interface. */
515 
516  /* Hardware index for this hardware interface. */
518 
519  /* Software index for this hardware interface. */
521 
522  /* Next index in interface-output node for this interface
523  used by node function vnet_per_buffer_interface_output() */
525 
526  /* Maximum transmit rate for this interface in bits/sec. */
528 
529  /* Smallest packet size supported by this interface. */
531 
532  /* Largest packet size supported by this interface. */
534 
535  /* Smallest packet size for this interface. */
537 
538  /* Largest packet size for this interface. */
540 
541  /* Hash table mapping sub interface id to sw_if_index. */
543 
544  /* Count of number of L2 subinterfaces */
546 
547  /* Bonded interface info -
548  0 - not a bonded interface nor a slave
549  ~0 - slave to a bonded interface
550  others - A bonded interface with a pointer to bitmap for all slaves */
552 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
553 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
554 
555  /* Input node */
557 
558  /* input node cpu index by queue */
560 
561  /* vnet_hw_interface_rx_mode by queue */
563  vnet_hw_interface_rx_mode default_rx_mode;
564 
565  /* device input device_and_queue runtime index */
567 
569 
571 
572 typedef enum
573 {
574  /* A hw interface. */
576 
577  /* A sub-interface. */
582 
583 typedef struct
584 {
585  /*
586  * Subinterface ID. A number 0-N to uniquely identify
587  * this subinterface under the main (parent?) interface
588  */
590 
591  /* Classification data. Used to associate packet header with subinterface. */
592  struct
593  {
596  union
597  {
599  struct
600  {
604  u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
609  } flags;
610  };
611  } eth;
613 
614 typedef struct
615 {
616  /*
617  * Subinterface ID. A number 0-N to uniquely identify
618  * this subinterface under the main interface
619  */
622  u8 client_mac[6];
624 
625 typedef enum
626 {
627  /* THe BVI interface */
629  /* Always flood */
632  /* Does not flood when tunnel master is in the same L2 BD */
634  /* Never flood to this type */
637 
638 /* Per protocol MTU */
639 typedef enum
640 {
641  VNET_MTU_L3, /* Default payload MTU (without L2 headers) */
642  VNET_MTU_IP4, /* Per-protocol MTUs overriding default */
646 } vnet_mtu_t;
647 
648 extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link);
649 
651 {
653  /* Interface is "up" meaning administratively up.
654  Up in the sense of link state being up is maintained by hardware interface. */
656 
657  /* Interface is disabled for forwarding: punt all traffic to slow-path. */
659 
661 
663 
665 
666  /* Interface does not appear in CLI/API */
668 
669  /* Interface in ERROR state */
671 
672  /* Interface has IP configured directed broadcast */
674 
675 } __attribute__ ((packed)) vnet_sw_interface_flags_t;
676 
677 /* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
678  tunnel, etc. Configuration (e.g. IP address) gets attached to
679  software interface. */
680 typedef struct
681 {
682  vnet_sw_interface_type_t type:16;
683 
685 
686  /* Index for this interface. */
688 
689  /* Software interface index of super-interface;
690  equal to sw_if_index if this interface is not a
691  sub-interface. */
693 
694  /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
696 
697  /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
699 
700  /* MTU for network layer (not including L2 headers) */
702 
703  /* VNET_SW_INTERFACE_TYPE_SUB. */
705 
706  /* VNET_SW_INTERFACE_TYPE_P2P. */
708 
709  vnet_flood_class_t flood_class;
711 
712 typedef enum
713 {
714  /* Simple counters. */
725  /* Combined counters. */
736 
737 #define foreach_rx_combined_interface_counter(_x) \
738  for (_x = VNET_INTERFACE_COUNTER_RX; \
739  _x <= VNET_INTERFACE_COUNTER_RX_BROADCAST; \
740  _x++)
741 
742 #define foreach_tx_combined_interface_counter(_x) \
743  for (_x = VNET_INTERFACE_COUNTER_TX; \
744  _x <= VNET_INTERFACE_COUNTER_TX_BROADCAST; \
745  _x++)
746 
747 #define foreach_simple_interface_counter_name \
748  _(DROP, drops, if) \
749  _(PUNT, punt, if) \
750  _(IP4, ip4, if) \
751  _(IP6, ip6, if) \
752  _(RX_NO_BUF, rx-no-buf, if) \
753  _(RX_MISS, rx-miss, if) \
754  _(RX_ERROR, rx-error, if) \
755  _(TX_ERROR, tx-error, if) \
756  _(MPLS, mpls, if)
757 
758 #define foreach_combined_interface_counter_name \
759  _(RX, rx, if) \
760  _(RX_UNICAST, rx-unicast, if) \
761  _(RX_MULTICAST, rx-multicast, if) \
762  _(RX_BROADCAST, rx-broadcast, if) \
763  _(TX, tx, if) \
764  _(TX_UNICAST, tx-unicast-miss, if) \
765  _(TX_MULTICAST, tx-multicast, if) \
766  _(TX_BROADCAST, tx-broadcast, if)
767 
768 typedef enum
769 {
773 
775 
776 static inline int
778 {
780 }
781 
784 
785 
786 typedef struct
787 {
791 
792 typedef struct
793 {
797 
798 typedef struct
799 {
800  /* Hardware interfaces. */
802 
803  /* Hash table mapping HW interface name to index. */
805 
806  /* Vectors if hardware interface classes and device classes. */
809 
810  /* Hash table mapping name to hw interface/device class. */
813 
814  /* Software interfaces. */
816 
817  /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
819 
820  /* Software interface counters both simple and combined
821  packet and byte counters. */
825 
827 
828  /* pcap drop tracing */
835 
836  /* per-thread data */
838 
839  /* enable GSO processing in packet path if this count is > 0 */
841 
842  /* feature_arc_index */
845 
846 static inline void
848 {
849  if (im->sw_if_counter_lock)
851  /* zzzz */ ;
852 }
853 
854 static inline void
856 {
857  if (im->sw_if_counter_lock)
859 }
860 
861 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
862 
863 int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
864 
866  vlib_node_runtime_t * node,
867  vlib_frame_t * frame);
868 
869 #endif /* included_vnet_interface_h */
870 
871 /*
872  * fd.io coding-style-patch-verification: ON
873  *
874  * Local Variables:
875  * eval: (c-set-style "gnu")
876  * End:
877  */
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:1557
u32 sw_if_index
Definition: ipsec_gre.api:37
vmrglw vmrglh hi
u32 flags
Definition: vhost_user.h:115
pcap_main_t pcap_main
Definition: interface.h:830
void collect_detailed_interface_stats_flag_set(void)
Definition: interface.c:1616
vnet_interface_per_thread_data_t * per_thread_data
Definition: interface.h:837
volatile u32 * sw_if_counter_lock
Definition: interface.h:822
vnet_hw_interface_nodes_t * deleted_hw_interface_nodes
Definition: interface.h:826
vnet_p2p_sub_interface_t p2p
Definition: interface.h:707
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:559
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:542
struct _vnet_device_class vnet_device_class_t
uword * dq_runtime_index_by_queue
Definition: interface.h:566
vnet_mtu_t vnet_link_to_mtu(vnet_link_t link)
Definition: interface.c:1541
unsigned char u8
Definition: types.h:56
vnet_interface_stats_collection_mode_e
Definition: interface.h:768
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:709
uword * pcap_drop_filter_hash
Definition: interface.h:834
PCAP main state data structure.
Definition: pcap.h:156
vnet_l3_packet_type_t
Definition: l3_types.h:44
vlib_combined_counter_main_t * combined_sw_if_counters
Definition: interface.h:824
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:494
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:1613
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
u32 padding
Definition: vhost_user.h:115
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:650
u32 max_supported_packet_bytes
Definition: interface.h:533
uword * hw_interface_by_name
Definition: interface.h:804
vnet_l3_packet_type_t vnet_link_to_l3_proto(vnet_link_t link)
Convert a link to to an Ethertype.
Definition: interface.c:1519
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:801
vnet_sub_interface_t sub
Definition: interface.h:704
#define clib_atomic_release(a)
Definition: atomics.h:41
unsigned short u16
Definition: types.h:57
vnet_mtu_t
Definition: interface.h:639
uword * sw_if_index_by_sup_and_sub
Definition: interface.h:818
vnet_sw_interface_flags_t flags
Definition: interface.h:684
vlib_simple_counter_main_t * sw_if_counters
Definition: interface.h:823
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:811
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:625
vnet_link_t_
Link Type: A description of the protocol of packets on the link.
Definition: interface.h:310
static void vnet_interface_counter_unlock(vnet_interface_main_t *im)
Definition: interface.h:855
static int collect_detailed_interface_stats(void)
Definition: interface.h:777
vnet_interface_counter_type_t
Definition: interface.h:712
static void vnet_interface_counter_lock(vnet_interface_main_t *im)
Definition: interface.h:847
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:812
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:815
a point 2 point interface
Definition: interface.h:357
vnet_hw_interface_class_t * hw_interface_classes
Definition: interface.h:807
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:530
vnet_sw_interface_type_t type
Definition: interface.h:682
vnet_hw_interface_flags_t_
Definition: interface.h:461
vnet_hw_interface_rx_mode default_rx_mode
Definition: interface.h:563
vnet_device_class_t * device_classes
Definition: interface.h:808
void collect_detailed_interface_stats_flag_clear(void)
Definition: interface.c:1622
void default_update_adjacency(struct vnet_main_t *vnm, u32 sw_if_index, u32 adj_index)
Default adjacency update function.
Definition: interface.c:1565
int vnet_interface_name_renumber(u32 sw_if_index, u32 new_show_dev_instance)
Definition: interface.c:1355
vnet_hw_interface_class_flags_t_
Attributes assignable to a HW interface Class.
Definition: interface.h:352
vnet_sw_interface_type_t
Definition: interface.h:572
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