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Vector Packet Processing
fib_entry.h
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1 /*
2  * Copyright (c) 2016 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 #ifndef __FIB_ENTRY_H__
17 #define __FIB_ENTRY_H__
18 
19 #include <vnet/fib/fib_node.h>
20 #include <vnet/adj/adj.h>
21 #include <vnet/ip/ip.h>
22 #include <vnet/dpo/dpo.h>
23 
24 /**
25  * The different sources that can create a route.
26  * The sources are defined here with their relative priority order.
27  * The lower the value the higher the priority
28  */
29 typedef enum fib_source_t_ {
30  /**
31  * An invalid source
32  * This is not a real source, so don't use it to source a prefix.
33  * It exists here to provide a value for inexistant/uninitialized source
34  */
36  /**
37  * Marker. Add new values after this one.
38  */
40  /**
41  * Special sources. These are for entries that are added to all
42  * FIBs by default, and should never be over-ridden (hence they
43  * are the highest priority)
44  */
46  /**
47  * Classify. A route that links directly to a classify adj
48  */
50  /**
51  * A route the is being 'proxied' on behalf of another device
52  */
54  /**
55  * Route added as a result of interface configuration.
56  * this will also come from the API/CLI, but the distinction is
57  * that is from confiiguration on an interface, not a 'ip route' command
58  */
60  /**
61  * SRv6 and SR-MPLS
62  */
64  /**
65  * A high priority source a plugin can use
66  */
68  /**
69  * From the BIER subsystem
70  */
72  /**
73  * From 6RD.
74  */
76  /**
77  * From the control plane API
78  */
80  /**
81  * From the CLI.
82  */
84  /**
85  * A low (below routing) priority source a plugin can use
86  */
88  /**
89  * LISP
90  */
92  /**
93  * IPv[46] Mapping
94  */
96  /**
97  * DHCP
98  */
100  /**
101  * IPv6 Proxy ND
102  */
104  /**
105  * IPv6 ND (seen in the link-local tables)
106  */
108  /**
109  * Adjacency source.
110  * routes created as a result of ARP/ND entries. This is lower priority
111  * then the API/CLI. This is on purpose. trust me.
112  */
114  /**
115  * MPLS label. The prefix has been assigned a local label. This source
116  * never provides forwarding information, instead it acts as a place-holder
117  * so the association of label to prefix can be maintained
118  */
120  /**
121  * Attached Export source.
122  * routes created as a result of attahced export. routes thus sourced
123  * will be present in the export tables
124  */
126  /**
127  * Recursive resolution source.
128  * Used to install an entry that is the resolution traget of another.
129  */
131  /**
132  * uRPF bypass/exemption.
133  * Used to install an entry that is exempt from the loose uRPF check
134  */
136  /**
137  * The default route source.
138  * The default route is always added to the FIB table (like the
139  * special sources) but we need to be able to over-ride it with
140  * 'ip route' sources when provided
141  */
143  /**
144  * The interpose source.
145  * This is not a real source, so don't use it to source a prefix.
146  * It exists here to provide a value against which to register to the
147  * VFT for providing the interpose actions to a real source.
148  */
150  /**
151  * Marker. add new entries before this one.
152  */
154 } __attribute__ ((packed)) fib_source_t;
155 
156 STATIC_ASSERT (sizeof(fib_source_t) == 1,
157  "FIB too many sources");
158 
159 /**
160  * The maximum number of sources
161  */
162 #define FIB_SOURCE_MAX (FIB_SOURCE_LAST+1)
163 
164 #define FIB_SOURCES { \
165  [FIB_SOURCE_INVALID] = "invalid", \
166  [FIB_SOURCE_SPECIAL] = "special", \
167  [FIB_SOURCE_INTERFACE] = "interface", \
168  [FIB_SOURCE_PROXY] = "proxy", \
169  [FIB_SOURCE_BIER] = "BIER", \
170  [FIB_SOURCE_6RD] = "6RD", \
171  [FIB_SOURCE_API] = "API", \
172  [FIB_SOURCE_CLI] = "CLI", \
173  [FIB_SOURCE_ADJ] = "adjacency", \
174  [FIB_SOURCE_MAP] = "MAP", \
175  [FIB_SOURCE_SR] = "SR", \
176  [FIB_SOURCE_LISP] = "LISP", \
177  [FIB_SOURCE_CLASSIFY] = "classify", \
178  [FIB_SOURCE_DHCP] = "DHCP", \
179  [FIB_SOURCE_IP6_ND_PROXY] = "IPv6-proxy-nd", \
180  [FIB_SOURCE_IP6_ND] = "IPv6-nd", \
181  [FIB_SOURCE_RR] = "recursive-resolution", \
182  [FIB_SOURCE_AE] = "attached_export", \
183  [FIB_SOURCE_MPLS] = "mpls", \
184  [FIB_SOURCE_URPF_EXEMPT] = "urpf-exempt", \
185  [FIB_SOURCE_DEFAULT_ROUTE] = "default-route", \
186  [FIB_SOURCE_PLUGIN_HI] = "plugin-hi", \
187  [FIB_SOURCE_PLUGIN_LOW] = "plugin-low", \
188  [FIB_SOURCE_INTERPOSE] = "interpose", \
189 }
190 
191 #define FOR_EACH_FIB_SOURCE(_item) \
192  for (_item = FIB_SOURCE_FIRST; _item < FIB_SOURCE_MAX; _item++)
193 
194 /**
195  * The different sources that can create a route.
196  * The sources are defined here with their relative priority order.
197  * The lower the value the higher the priority
198  */
200  /**
201  * Marker. Add new values after this one.
202  */
204  /**
205  * Connected. The prefix is configured on an interface.
206  */
208  /**
209  * Attached. The prefix is attached to an interface.
210  */
212  /**
213  * The route is an explicit drop.
214  */
216  /**
217  * The route is exclusive. The client creating the route is
218  * providing an exclusive adjacency.
219  */
221  /**
222  * The route is attached cross tables and thus imports covered
223  * prefixes from the other table.
224  */
226  /**
227  * The prefix/address is local to this device
228  */
230  /**
231  * The prefix/address is a multicast prefix.
232  * this aplies only to MPLS. IP multicast is handled by mfib
233  */
235  /**
236  * The prefix/address exempted from loose uRPF check
237  * To be used with caution
238  */
240  /**
241  * The prefix/address exempted from attached export
242  */
244  /**
245  * This FIB entry imposes its source information on all prefixes
246  * that is covers
247  */
249  /**
250  * The interpose attribute.
251  * place the forwarding provided by the source infront of the forwarding
252  * provided by the best source, or failing that, by the cover.
253  */
255  /**
256  * Marker. add new entries before this one.
257  */
260 
261 #define FIB_ENTRY_ATTRIBUTES { \
262  [FIB_ENTRY_ATTRIBUTE_CONNECTED] = "connected", \
263  [FIB_ENTRY_ATTRIBUTE_ATTACHED] = "attached", \
264  [FIB_ENTRY_ATTRIBUTE_IMPORT] = "import", \
265  [FIB_ENTRY_ATTRIBUTE_DROP] = "drop", \
266  [FIB_ENTRY_ATTRIBUTE_EXCLUSIVE] = "exclusive", \
267  [FIB_ENTRY_ATTRIBUTE_LOCAL] = "local", \
268  [FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT] = "uRPF-exempt", \
269  [FIB_ENTRY_ATTRIBUTE_MULTICAST] = "multicast", \
270  [FIB_ENTRY_ATTRIBUTE_NO_ATTACHED_EXPORT] = "no-attached-export", \
271  [FIB_ENTRY_ATTRIBUTE_COVERED_INHERIT] = "covered-inherit", \
272  [FIB_ENTRY_ATTRIBUTE_INTERPOSE] = "interpose", \
273 }
274 
275 #define FOR_EACH_FIB_ATTRIBUTE(_item) \
276  for (_item = FIB_ENTRY_ATTRIBUTE_FIRST; \
277  _item <= FIB_ENTRY_ATTRIBUTE_LAST; \
278  _item++)
279 
280 typedef enum fib_entry_flag_t_ {
293 } __attribute__((packed)) fib_entry_flag_t;
294 
295 extern u8 * format_fib_entry_flags(u8 *s, va_list *args);
296 
297 /**
298  * Flags for the source data
299  */
301  /**
302  * Marker. Add new values after this one.
303  */
305  /**
306  * the source has been added to the entry
307  */
309  /**
310  * the source is contributing forwarding
311  */
313  /**
314  * the source is active/best
315  */
317  /**
318  * the source is inherited from its cover
319  */
321  /**
322  * Marker. add new entries before this one.
323  */
326 
327 
328 #define FIB_ENTRY_SRC_ATTRIBUTES { \
329  [FIB_ENTRY_SRC_ATTRIBUTE_ADDED] = "added", \
330  [FIB_ENTRY_SRC_ATTRIBUTE_CONTRIBUTING] = "contributing", \
331  [FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE] = "active", \
332  [FIB_ENTRY_SRC_ATTRIBUTE_INHERITED] = "inherited", \
333 }
334 
335 #define FOR_EACH_FIB_SRC_ATTRIBUTE(_item) \
336  for (_item = FIB_ENTRY_SRC_ATTRIBUTE_FIRST; \
337  _item <= FIB_ENTRY_SRC_ATTRIBUTE_LAST; \
338  _item++)
339 
340 typedef enum fib_entry_src_flag_t_ {
346 } __attribute__ ((packed)) fib_entry_src_flag_t;
347 
348 extern u8 * format_fib_entry_src_flags(u8 *s, va_list *args);
349 
350 /*
351  * Keep the size of the flags field to 2 bytes, so it
352  * can be placed next to the 2 bytes reference count
353  */
354 STATIC_ASSERT (sizeof(fib_entry_src_flag_t) <= 2,
355  "FIB entry flags field size too big");
356 
357 /**
358  * Information related to the source of a FIB entry
359  */
360 typedef struct fib_entry_src_t_ {
361  /**
362  * A vector of path extensions
363  */
365 
366  /**
367  * The path-list created by the source
368  */
370 
371  /**
372  * Flags the source contributes to the entry
373  */
375 
376  /**
377  * Which source this info block is for
378  */
379  fib_source_t fes_src;
380 
381  /**
382  * Flags on the source
383  */
385 
386  /**
387  * 1 bytes ref count. This is not the number of users of the Entry
388  * (which is itself not large, due to path-list sharing), but the number
389  * of times a given source has been added. Which is even fewer
390  */
392 
393  /**
394  * Source specific info
395  */
396  union {
397  struct {
398  /**
399  * the index of the FIB entry that is the covering entry
400  */
402  /**
403  * This source's index in the cover's list
404  */
406  } rr;
407  struct {
408  /**
409  * the index of the FIB entry that is the covering entry
410  */
412  /**
413  * This source's index in the cover's list
414  */
416  /**
417  * DPO type to interpose. The dpo type needs to have registered
418  * it's 'contribute interpose' callback function.
419  */
421  } interpose;
422  struct {
423  /**
424  * the index of the FIB entry that is the covering entry
425  */
427  /**
428  * This source's index in the cover's list
429  */
431  } adj;
432  struct {
433  /**
434  * the index of the FIB entry that is the covering entry
435  */
437  /**
438  * This source's index in the cover's list
439  */
441  } interface;
442  struct {
443  /**
444  * This MPLS local label associated with the prefix.
445  */
447 
448  /**
449  * the indicies of the LFIB entries created
450  */
452  } mpls;
453  struct {
454  /**
455  * The source FIB index.
456  */
458  } lisp;
459  } u;
461 
462 /**
463  * An entry in a FIB table.
464  *
465  * This entry represents a route added to the FIB that is stored
466  * in one of the FIB tables.
467  */
468 typedef struct fib_entry_t_ {
469  /**
470  * Base class. The entry's node representation in the graph.
471  */
473  /**
474  * The prefix of the route. this is const just to be sure.
475  * It is the entry's key/identity and so should never change.
476  */
478  /**
479  * The index of the FIB table this entry is in
480  */
482  /**
483  * The load-balance used for forwarding.
484  *
485  * We don't share the EOS and non-EOS even in case when they could be
486  * because:
487  * - complexity & reliability v. memory
488  * determining the conditions where sharing is possible is non-trivial.
489  * - separate LBs means we can get the EOS bit right in the MPLS label DPO
490  * and so save a few clock cycles in the DP imposition node since we can
491  * paint the header straight on without the need to check the packet
492  * type to derive the EOS bit value.
493  */
495  /**
496  * Vector of source infos.
497  * Most entries will only have 1 source. So we optimise for memory usage,
498  * which is preferable since we have many entries.
499  */
501  /**
502  * the path-list for which this entry is a child. This is also the path-list
503  * that is contributing forwarding for this entry.
504  */
506  /**
507  * index of this entry in the parent's child list.
508  * This is set when this entry is added as a child, but can also
509  * be changed by the parent as it manages its list.
510  */
512 
513  /**
514  * A vector of delegate indices.
515  */
517 } fib_entry_t;
518 
519 #define FOR_EACH_FIB_ENTRY_FLAG(_item) \
520  for (_item = FIB_ENTRY_FLAG_FIRST; _item < FIB_ENTRY_FLAG_MAX; _item++)
521 
522 #define FIB_ENTRY_FORMAT_BRIEF (0x0)
523 #define FIB_ENTRY_FORMAT_DETAIL (0x1)
524 #define FIB_ENTRY_FORMAT_DETAIL2 (0x2)
525 
526 extern u8 *format_fib_entry (u8 * s, va_list * args);
527 extern u8 *format_fib_source (u8 * s, va_list * args);
528 
530  const fib_prefix_t *prefix,
531  fib_source_t source,
533  const dpo_id_t *dpo);
534 
535 extern fib_node_index_t fib_entry_create (u32 fib_index,
536  const fib_prefix_t *prefix,
537  fib_source_t source,
539  const fib_route_path_t *paths);
540 extern void fib_entry_update (fib_node_index_t fib_entry_index,
541  fib_source_t source,
543  const fib_route_path_t *paths);
544 
545 extern void fib_entry_path_add(fib_node_index_t fib_entry_index,
546  fib_source_t source,
548  const fib_route_path_t *rpaths);
549 extern void fib_entry_special_add(fib_node_index_t fib_entry_index,
550  fib_source_t source,
552  const dpo_id_t *dpo);
553 extern void fib_entry_special_update(fib_node_index_t fib_entry_index,
554  fib_source_t source,
556  const dpo_id_t *dpo);
558  fib_source_t source);
559 
561  fib_source_t source,
562  const fib_route_path_t *rpaths);
563 
564 extern void fib_entry_inherit(fib_node_index_t cover,
565  fib_node_index_t covered);
566 
568  fib_source_t source);
569 
571  fib_node_index_t fib_entry_index);
572 extern void fib_entry_contribute_urpf(fib_node_index_t path_index,
573  index_t urpf);
575  fib_node_index_t fib_entry_index,
577  dpo_id_t *dpo);
579  fib_node_index_t fib_entry_index);
581  fib_node_index_t fib_entry_index,
582  fib_source_t source);
583 extern const int fib_entry_get_dpo_for_source (
584  fib_node_index_t fib_entry_index,
585  fib_source_t source,
586  dpo_id_t *dpo);
587 
588 extern adj_index_t fib_entry_get_adj(fib_node_index_t fib_entry_index);
589 
590 extern int fib_entry_cmp_for_sort(void *i1, void *i2);
591 
592 extern void fib_entry_cover_changed(fib_node_index_t fib_entry);
593 extern void fib_entry_cover_updated(fib_node_index_t fib_entry);
595  fib_node_index_t **entry_indicies);
596 
597 extern void fib_entry_lock(fib_node_index_t fib_entry_index);
598 extern void fib_entry_unlock(fib_node_index_t fib_entry_index);
599 
600 extern u32 fib_entry_child_add(fib_node_index_t fib_entry_index,
602  fib_node_index_t child_index);
603 extern void fib_entry_child_remove(fib_node_index_t fib_entry_index,
604  u32 sibling_index);
607  fib_node_index_t fib_entry_index,
608  fib_source_t source);
609 
610 extern fib_route_path_t* fib_entry_encode(fib_node_index_t fib_entry_index);
611 extern const fib_prefix_t* fib_entry_get_prefix(fib_node_index_t fib_entry_index);
612 extern u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index);
613 extern void fib_entry_set_source_data(fib_node_index_t fib_entry_index,
614  fib_source_t source,
615  const void *data);
616 extern const void* fib_entry_get_source_data(fib_node_index_t fib_entry_index,
617  fib_source_t source);
618 
621  fib_node_index_t fib_entry_index,
622  fib_source_t source);
623 extern fib_source_t fib_entry_get_best_source(fib_node_index_t fib_entry_index);
624 extern int fib_entry_is_sourced(fib_node_index_t fib_entry_index,
625  fib_source_t source);
626 
628 extern int fib_entry_is_resolved(fib_node_index_t fib_entry_index);
629 extern int fib_entry_is_host(fib_node_index_t fib_entry_index);
630 extern void fib_entry_set_flow_hash_config(fib_node_index_t fib_entry_index,
631  flow_hash_config_t hash_config);
632 
633 extern void fib_entry_module_init(void);
634 
635 extern u32 fib_entry_get_stats_index(fib_node_index_t fib_entry_index);
636 
637 /*
638  * unsafe... beware the raw pointer.
639  */
640 extern fib_node_index_t fib_entry_get_index(const fib_entry_t * fib_entry);
641 extern fib_entry_t * fib_entry_get(fib_node_index_t fib_entry_index);
642 
643 /*
644  * for testing purposes.
645  */
646 extern u32 fib_entry_pool_size(void);
647 
648 #endif
void fib_entry_special_add(fib_node_index_t fib_entry_index, fib_source_t source, fib_entry_flag_t flags, const dpo_id_t *dpo)
Definition: fib_entry.c:885
STATIC_ASSERT(sizeof(fib_source_t)==1, "FIB too many sources")
the source is active/best
Definition: fib_entry.h:316
Recursive resolution source.
Definition: fib_entry.h:130
void fib_entry_contribute_urpf(fib_node_index_t path_index, index_t urpf)
Contribute the set of Adjacencies that this entry forwards with to build the uRPF list of its childre...
Definition: fib_entry.c:402
u32 fib_entry_child_add(fib_node_index_t fib_entry_index, fib_node_type_t type, fib_node_index_t child_index)
Definition: fib_entry.c:566
u32 flags
Definition: vhost_user.h:141
An entry in a FIB table.
Definition: fib_entry.h:468
const fib_prefix_t * fib_entry_get_prefix(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1699
u32 fib_entry_get_resolving_interface_for_source(fib_node_index_t fib_entry_index, fib_source_t source)
A representation of a path as described by a route producer.
Definition: fib_types.h:485
The prefix/address exempted from loose uRPF check To be used with caution.
Definition: fib_entry.h:239
int fib_entry_is_host(fib_node_index_t fib_entry_index)
Return !0 is the entry represents a host prefix.
Definition: fib_entry.c:1491
fib_entry_src_flag_t fib_entry_special_remove(fib_node_index_t fib_entry_index, fib_source_t source)
Definition: fib_entry.c:1109
Definition: fib_entry.h:344
void fib_entry_cover_updated(fib_node_index_t fib_entry)
Definition: fib_entry.c:1345
Definition: fib_entry.h:343
fib_source_t fib_entry_get_best_source(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1476
Definition: fib_entry.h:292
Information related to the source of a FIB entry.
Definition: fib_entry.h:360
Definition: fib_entry.h:287
u32 mpls_label_t
A label value only, i.e.
Definition: packet.h:26
From the CLI.
Definition: fib_entry.h:83
struct fib_entry_src_t_::@137::@142 mpls
u32 index_t
A Data-Path Object is an object that represents actions that are applied to packets are they are swit...
Definition: dpo.h:41
Connected.
Definition: fib_entry.h:207
Marker.
Definition: fib_entry.h:324
The prefix/address is local to this device.
Definition: fib_entry.h:229
Attached Export source.
Definition: fib_entry.h:125
fib_source_t_
The different sources that can create a route.
Definition: fib_entry.h:29
u8 data[128]
Definition: ipsec.api:251
vl_api_mprefix_t prefix
Definition: ip.api:456
Definition: fib_entry.h:290
u32 fe_fib_index
The index of the FIB table this entry is in.
Definition: fib_entry.h:481
uRPF bypass/exemption.
Definition: fib_entry.h:135
mpls_label_t fesm_label
This MPLS local label associated with the prefix.
Definition: fib_entry.h:446
Definition: fib_entry.h:283
fib_entry_src_t * fe_srcs
Vector of source infos.
Definition: fib_entry.h:500
void fib_entry_path_add(fib_node_index_t fib_entry_index, fib_source_t source, fib_entry_flag_t flags, const fib_route_path_t *rpaths)
Definition: fib_entry.c:921
Marker.
Definition: fib_entry.h:258
void fib_entry_set_flow_hash_config(fib_node_index_t fib_entry_index, flow_hash_config_t hash_config)
Definition: fib_entry.c:1527
unsigned char u8
Definition: types.h:56
fib_node_index_t fe_parent
the path-list for which this entry is a child.
Definition: fib_entry.h:505
u32 fib_entry_get_resolving_interface(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1466
IPv[46] Mapping.
Definition: fib_entry.h:95
u32 fesi_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:415
u32 fe_sibling
index of this entry in the parent&#39;s child list.
Definition: fib_entry.h:511
Definition: fib_entry.h:289
enum fib_entry_src_attribute_t_ fib_entry_src_attribute_t
Flags for the source data.
void fib_entry_child_remove(fib_node_index_t fib_entry_index, u32 sibling_index)
Definition: fib_entry.c:577
Marker.
Definition: fib_entry.h:153
A high priority source a plugin can use.
Definition: fib_entry.h:67
u32 fib_entry_pool_size(void)
Definition: fib_entry.c:1719
int fib_entry_cmp_for_sort(void *i1, void *i2)
Definition: fib_entry.c:1631
This FIB entry imposes its source information on all prefixes that is covers.
Definition: fib_entry.h:248
The route is attached cross tables and thus imports covered prefixes from the other table...
Definition: fib_entry.h:225
Aggregate type for a prefix.
Definition: fib_types.h:203
fib_entry_flag_t_
Definition: fib_entry.h:280
u32 fesa_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:430
union fib_entry_src_t_::@137 u
Source specific info.
unsigned int u32
Definition: types.h:88
const dpo_id_t * fib_entry_contribute_ip_forwarding(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:517
void fib_entry_contribute_forwarding(fib_node_index_t fib_entry_index, fib_forward_chain_type_t type, dpo_id_t *dpo)
Definition: fib_entry.c:448
Definition: fib_entry.h:281
const int fib_entry_get_dpo_for_source(fib_node_index_t fib_entry_index, fib_source_t source, dpo_id_t *dpo)
vl_api_fib_path_type_t type
Definition: fib_types.api:123
MPLS label.
Definition: fib_entry.h:119
The identity of a DPO is a combination of its type and its instance number/index of objects of that t...
Definition: dpo.h:170
Definition: fib_entry.h:286
IPv6 ND (seen in the link-local tables)
Definition: fib_entry.h:107
struct fib_entry_src_t_::@137::@138 rr
Definition: fib_entry.h:285
index_t * fe_delegates
A vector of delegate indices.
Definition: fib_entry.h:516
u32 fesr_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:405
Adjacency source.
Definition: fib_entry.h:113
enum fib_source_t_ fib_source_t
The different sources that can create a route.
An invalid source This is not a real source, so don&#39;t use it to source a prefix.
Definition: fib_entry.h:35
struct fib_entry_src_t_ fib_entry_src_t
Information related to the source of a FIB entry.
void fib_entry_unlock(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1650
From the BIER subsystem.
Definition: fib_entry.h:71
Definition: fib_entry.h:345
void fib_entry_update(fib_node_index_t fib_entry_index, fib_source_t source, fib_entry_flag_t flags, const fib_route_path_t *paths)
fib_entry_update
Definition: fib_entry.c:1236
fib_node_index_t fib_entry_get_index(const fib_entry_t *fib_entry)
Definition: fib_entry.c:64
int fib_entry_is_resolved(fib_node_index_t fib_entry_index)
Return !0 is the entry is resolved, i.e.
Definition: fib_entry.c:1501
fib_node_index_t fesl_fib_index
The source FIB index.
Definition: fib_entry.h:457
A list of path-extensions.
Definition: fib_types.h:620
enum fib_entry_attribute_t_ fib_entry_attribute_t
The different sources that can create a route.
void fib_entry_cover_changed(fib_node_index_t fib_entry)
Definition: fib_entry.c:1269
An node in the FIB graph.
Definition: fib_node.h:295
struct fib_entry_t_ fib_entry_t
An entry in a FIB table.
The prefix/address exempted from attached export.
Definition: fib_entry.h:243
struct fib_entry_src_t_::@137::@143 lisp
adj_index_t fib_entry_get_adj(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:537
struct fib_entry_src_t_::@137::@141 interface
fib_node_index_t fib_entry_get_path_list(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:556
Attached.
Definition: fib_entry.h:211
struct fib_entry_src_t_::@137::@140 adj
int fib_entry_is_sourced(fib_node_index_t fib_entry_index, fib_source_t source)
Definition: fib_entry.h:341
fib_route_path_t * fib_entry_encode(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1669
From 6RD.
Definition: fib_entry.h:75
fib_entry_attribute_t_
The different sources that can create a route.
Definition: fib_entry.h:199
the source is contributing forwarding
Definition: fib_entry.h:312
Definition: fib_entry.h:291
Definition: fib_entry.h:284
u32 fib_entry_get_stats_index(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1556
u32 fib_node_index_t
A typedef of a node index.
Definition: fib_types.h:30
u32 adj_index_t
An index for adjacencies.
Definition: adj_types.h:30
fib_node_index_t fib_entry_create_special(u32 fib_index, const fib_prefix_t *prefix, fib_source_t source, fib_entry_flag_t flags, const dpo_id_t *dpo)
Definition: fib_entry.c:768
Marker.
Definition: fib_entry.h:203
enum fib_entry_flag_t_ fib_entry_flag_t
int fib_entry_recursive_loop_detect(fib_node_index_t entry_index, fib_node_index_t **entry_indicies)
Definition: fib_entry.c:1415
void fib_entry_inherit(fib_node_index_t cover, fib_node_index_t covered)
fib_entry_inherit
Definition: fib_entry.c:1211
fib_entry_flag_t fes_entry_flags
Flags the source contributes to the entry.
Definition: fib_entry.h:374
fib_source_t fes_src
Which source this info block is for.
Definition: fib_entry.h:379
fib_entry_src_flag_t fes_flags
Flags on the source.
Definition: fib_entry.h:384
const void * fib_entry_get_source_data(fib_node_index_t fib_entry_index, fib_source_t source)
adj_index_t fib_entry_get_adj_for_source(fib_node_index_t fib_entry_index, fib_source_t source)
struct fib_entry_src_t_::@137::@139 interpose
The default route source.
Definition: fib_entry.h:142
Classify.
Definition: fib_entry.h:49
u8 * format_fib_source(u8 *s, va_list *args)
Definition: fib_entry.c:101
void fib_entry_special_update(fib_node_index_t fib_entry_index, fib_source_t source, fib_entry_flag_t flags, const dpo_id_t *dpo)
Definition: fib_entry.c:902
fib_node_t fe_node
Base class.
Definition: fib_entry.h:472
fib_entry_src_flag_t fib_entry_delete(fib_node_index_t fib_entry_index, fib_source_t source)
fib_entry_delete
Definition: fib_entry.c:1224
enum fib_forward_chain_type_t_ fib_forward_chain_type_t
FIB output chain type.
The interpose source.
Definition: fib_entry.h:149
Definition: fib_entry.h:342
the source is inherited from its cover
Definition: fib_entry.h:320
fib_node_index_t fesr_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:401
dpo_id_t fesi_dpo
DPO type to interpose.
Definition: fib_entry.h:420
From the control plane API.
Definition: fib_entry.h:79
enum fib_entry_src_flag_t_ fib_entry_src_flag_t
Route added as a result of interface configuration.
Definition: fib_entry.h:59
u32 flow_hash_config_t
A flow hash configuration is a mask of the flow hash options.
Definition: lookup.h:84
fib_node_index_t fib_entry_create(u32 fib_index, const fib_prefix_t *prefix, fib_source_t source, fib_entry_flag_t flags, const fib_route_path_t *paths)
Definition: fib_entry.c:728
Marker.
Definition: fib_entry.h:304
fib_node_index_t fesm_lfes[2]
the indicies of the LFIB entries created
Definition: fib_entry.h:451
vl_api_mfib_path_t paths[n_paths]
Definition: ip.api:458
dpo_id_t fe_lb
The load-balance used for forwarding.
Definition: fib_entry.h:494
The interpose attribute.
Definition: fib_entry.h:254
fib_node_index_t fes_pl
The path-list created by the source.
Definition: fib_entry.h:369
fib_entry_t * fib_entry_get(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:52
fib_entry_flag_t fib_entry_get_flags_for_source(fib_node_index_t fib_entry_index, fib_source_t source)
SRv6 and SR-MPLS.
Definition: fib_entry.h:63
Marker.
Definition: fib_entry.h:39
void fib_entry_module_init(void)
Definition: fib_entry.c:1660
u8 * format_fib_entry_src_flags(u8 *s, va_list *args)
Definition: fib_entry.c:126
fib_entry_src_attribute_t_
Flags for the source data.
Definition: fib_entry.h:300
DHCP.
Definition: fib_entry.h:99
the source has been added to the entry
Definition: fib_entry.h:308
Definition: fib_entry.h:282
A route the is being &#39;proxied&#39; on behalf of another device.
Definition: fib_entry.h:53
Special sources.
Definition: fib_entry.h:45
void fib_entry_recalculate_forwarding(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:819
u8 * format_fib_entry_flags(u8 *s, va_list *args)
Definition: fib_entry.c:111
enum fib_node_type_t_ fib_node_type_t
The types of nodes in a FIB graph.
LISP.
Definition: fib_entry.h:91
void fib_entry_lock(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1640
u8 * format_fib_entry(u8 *s, va_list *args)
Definition: fib_entry.c:141
fib_node_index_t fesa_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:426
fib_node_index_t fesi_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:411
u8 fes_ref_count
1 bytes ref count.
Definition: fib_entry.h:391
fib_path_ext_list_t fes_path_exts
A vector of path extensions.
Definition: fib_entry.h:364
The route is an explicit drop.
Definition: fib_entry.h:215
The route is exclusive.
Definition: fib_entry.h:220
fib_entry_src_flag_t fib_entry_path_remove(fib_node_index_t fib_entry_index, fib_source_t source, const fib_route_path_t *rpaths)
Definition: fib_entry.c:1017
Definition: fib_entry.h:288
fib_entry_flag_t fib_entry_get_flags(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:302
void fib_entry_set_source_data(fib_node_index_t fib_entry_index, fib_source_t source, const void *data)
A low (below routing) priority source a plugin can use.
Definition: fib_entry.h:87
const fib_prefix_t fe_prefix
The prefix of the route.
Definition: fib_entry.h:477
u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1709
The prefix/address is a multicast prefix.
Definition: fib_entry.h:234
IPv6 Proxy ND.
Definition: fib_entry.h:103
fib_entry_src_flag_t_
Definition: fib_entry.h:340