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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>
21 #include <vnet/adj/adj.h>
22 #include <vnet/ip/ip.h>
23 #include <vnet/dpo/dpo.h>
24 
25 /**
26  * The different sources that can create a route.
27  * The sources are defined here the thier relative priority order.
28  * The lower the value the higher the priority
29  */
30 typedef enum fib_source_t_ {
31  /**
32  * Marker. Add new values after this one.
33  */
35  /**
36  * Special sources. These are for entries that are added to all
37  * FIBs by default, and should never be over-ridden (hence they
38  * are the highest priority)
39  */
41  /**
42  * Classify. A route that links directly to a classify adj
43  */
45  /**
46  * A route the is being 'proxied' on behalf of another device
47  */
49  /**
50  * Route added as a result of interface configuration.
51  * this will also come from the API/CLI, but the distinction is
52  * that is from confiiguration on an interface, not a 'ip route' command
53  */
55  /**
56  * SRv6 and SR-MPLS
57  */
59  /**
60  * A high priority source a plugin can use
61  */
63  /**
64  * From the BIER subsystem
65  */
67  /**
68  * From 6RD.
69  */
71  /**
72  * From the control plane API
73  */
75  /**
76  * From the CLI.
77  */
79  /**
80  * A low (below routing) priority source a plugin can use
81  */
83  /**
84  * LISP
85  */
87  /**
88  * IPv[46] Mapping
89  */
91  /**
92  * DHCP
93  */
95  /**
96  * IPv6 Proxy ND
97  */
99  /**
100  * IPv6 ND (seen in the link-local tables)
101  */
103  /**
104  * Adjacency source.
105  * routes created as a result of ARP/ND entries. This is lower priority
106  * then the API/CLI. This is on purpose. trust me.
107  */
109  /**
110  * MPLS label. The prefix has been assigned a local label. This source
111  * never provides forwarding information, instead it acts as a place-holder
112  * so the association of label to prefix can be maintained
113  */
115  /**
116  * Attached Export source.
117  * routes created as a result of attahced export. routes thus sourced
118  * will be present in the export tables
119  */
121  /**
122  * Recursive resolution source.
123  * Used to install an entry that is the resolution traget of another.
124  */
126  /**
127  * uRPF bypass/exemption.
128  * Used to install an entry that is exempt from the loose uRPF check
129  */
131  /**
132  * The default route source.
133  * The default route is always added to the FIB table (like the
134  * special sources) but we need to be able to over-ride it with
135  * 'ip route' sources when provided
136  */
138  /**
139  * The interpose source.
140  * This is not a real source, so don't use it to source a prefix.
141  * It exists here to provide a value against which to register to the
142  * VFT for providing the interpose actions to a real source.
143  */
145  /**
146  * Marker. add new entries before this one.
147  */
149 } __attribute__ ((packed)) fib_source_t;
150 
151 STATIC_ASSERT (sizeof(fib_source_t) == 1,
152  "FIB too many sources");
153 
154 /**
155  * The maximum number of sources
156  */
157 #define FIB_SOURCE_MAX (FIB_SOURCE_LAST+1)
158 
159 #define FIB_SOURCES { \
160  [FIB_SOURCE_SPECIAL] = "special", \
161  [FIB_SOURCE_INTERFACE] = "interface", \
162  [FIB_SOURCE_PROXY] = "proxy", \
163  [FIB_SOURCE_BIER] = "BIER", \
164  [FIB_SOURCE_6RD] = "6RD", \
165  [FIB_SOURCE_API] = "API", \
166  [FIB_SOURCE_CLI] = "CLI", \
167  [FIB_SOURCE_ADJ] = "adjacency", \
168  [FIB_SOURCE_MAP] = "MAP", \
169  [FIB_SOURCE_SR] = "SR", \
170  [FIB_SOURCE_LISP] = "LISP", \
171  [FIB_SOURCE_CLASSIFY] = "classify", \
172  [FIB_SOURCE_DHCP] = "DHCP", \
173  [FIB_SOURCE_IP6_ND_PROXY] = "IPv6-proxy-nd", \
174  [FIB_SOURCE_IP6_ND] = "IPv6-nd", \
175  [FIB_SOURCE_RR] = "recursive-resolution", \
176  [FIB_SOURCE_AE] = "attached_export", \
177  [FIB_SOURCE_MPLS] = "mpls", \
178  [FIB_SOURCE_URPF_EXEMPT] = "urpf-exempt", \
179  [FIB_SOURCE_DEFAULT_ROUTE] = "default-route", \
180  [FIB_SOURCE_PLUGIN_HI] = "plugin-hi", \
181  [FIB_SOURCE_PLUGIN_LOW] = "plugin-low", \
182  [FIB_SOURCE_INTERPOSE] = "interpose", \
183 }
184 
185 #define FOR_EACH_FIB_SOURCE(_item) \
186  for (_item = FIB_SOURCE_FIRST; _item < FIB_SOURCE_MAX; _item++)
187 
188 /**
189  * The different sources that can create a route.
190  * The sources are defined here the thier relative priority order.
191  * The lower the value the higher the priority
192  */
194  /**
195  * Marker. Add new values after this one.
196  */
198  /**
199  * Connected. The prefix is configured on an interface.
200  */
202  /**
203  * Attached. The prefix is attached to an interface.
204  */
206  /**
207  * The route is an explicit drop.
208  */
210  /**
211  * The route is exclusive. The client creating the route is
212  * providing an exclusive adjacency.
213  */
215  /**
216  * The route is attached cross tables and thus imports covered
217  * prefixes from the other table.
218  */
220  /**
221  * The prefix/address is local to this device
222  */
224  /**
225  * The prefix/address is a multicast prefix.
226  * this aplies only to MPLS. IP multicast is handled by mfib
227  */
229  /**
230  * The prefix/address exempted from loose uRPF check
231  * To be used with caution
232  */
234  /**
235  * The prefix/address exempted from attached export
236  */
238  /**
239  * This FIB entry imposes its source information on all prefixes
240  * that is covers
241  */
243  /**
244  * The interpose attribute.
245  * place the forwarding provided by the source infront of the forwarding
246  * provided by the best source, or failing that, by the cover.
247  */
249  /**
250  * Marker. add new entries before this one.
251  */
254 
255 #define FIB_ENTRY_ATTRIBUTES { \
256  [FIB_ENTRY_ATTRIBUTE_CONNECTED] = "connected", \
257  [FIB_ENTRY_ATTRIBUTE_ATTACHED] = "attached", \
258  [FIB_ENTRY_ATTRIBUTE_IMPORT] = "import", \
259  [FIB_ENTRY_ATTRIBUTE_DROP] = "drop", \
260  [FIB_ENTRY_ATTRIBUTE_EXCLUSIVE] = "exclusive", \
261  [FIB_ENTRY_ATTRIBUTE_LOCAL] = "local", \
262  [FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT] = "uRPF-exempt", \
263  [FIB_ENTRY_ATTRIBUTE_MULTICAST] = "multicast", \
264  [FIB_ENTRY_ATTRIBUTE_NO_ATTACHED_EXPORT] = "no-attached-export", \
265  [FIB_ENTRY_ATTRIBUTE_COVERED_INHERIT] = "covered-inherit", \
266  [FIB_ENTRY_ATTRIBUTE_INTERPOSE] = "interpose", \
267 }
268 
269 #define FOR_EACH_FIB_ATTRIBUTE(_item) \
270  for (_item = FIB_ENTRY_ATTRIBUTE_FIRST; \
271  _item <= FIB_ENTRY_ATTRIBUTE_LAST; \
272  _item++)
273 
274 typedef enum fib_entry_flag_t_ {
287 } __attribute__((packed)) fib_entry_flag_t;
288 
289 /**
290  * Flags for the source data
291  */
293  /**
294  * Marker. Add new values after this one.
295  */
297  /**
298  * the source has been added to the entry
299  */
301  /**
302  * the source is contributing forwarding
303  */
305  /**
306  * the source is active/best
307  */
309  /**
310  * the source is inherited from its cover
311  */
313  /**
314  * Marker. add new entries before this one.
315  */
318 
319 
320 #define FIB_ENTRY_SRC_ATTRIBUTES { \
321  [FIB_ENTRY_SRC_ATTRIBUTE_ADDED] = "added", \
322  [FIB_ENTRY_SRC_ATTRIBUTE_CONTRIBUTING] = "contributing", \
323  [FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE] = "active", \
324  [FIB_ENTRY_SRC_ATTRIBUTE_INHERITED] = "inherited", \
325 }
326 
327 #define FOR_EACH_FIB_SRC_ATTRIBUTE(_item) \
328  for (_item = FIB_ENTRY_SRC_ATTRIBUTE_FIRST; \
329  _item <= FIB_ENTRY_SRC_ATTRIBUTE_LAST; \
330  _item++)
331 
332 typedef enum fib_entry_src_flag_t_ {
338 } __attribute__ ((packed)) fib_entry_src_flag_t;
339 
340 /*
341  * Keep the size of the flags field to 2 bytes, so it
342  * can be placed next to the 2 bytes reference count
343  */
344 STATIC_ASSERT (sizeof(fib_entry_src_flag_t) <= 2,
345  "FIB entry flags field size too big");
346 
347 /**
348  * Information related to the source of a FIB entry
349  */
350 typedef struct fib_entry_src_t_ {
351  /**
352  * A vector of path extensions
353  */
355 
356  /**
357  * The path-list created by the source
358  */
360 
361  /**
362  * Flags the source contributes to the entry
363  */
365 
366  /**
367  * Which source this info block is for
368  */
369  fib_source_t fes_src;
370 
371  /**
372  * Flags on the source
373  */
374  fib_entry_src_flag_t fes_flags;
375 
376  /**
377  * 1 bytes ref count. This is not the number of users of the Entry
378  * (which is itself not large, due to path-list sharing), but the number
379  * of times a given source has been added. Which is even fewer
380  */
382 
383  /**
384  * Source specific info
385  */
386  union {
387  struct {
388  /**
389  * the index of the FIB entry that is the covering entry
390  */
392  /**
393  * This source's index in the cover's list
394  */
396  } rr;
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  /**
407  * DPO type to interpose. The dpo type needs to have registered
408  * it's 'contribute interpose' callback function.
409  */
411  } interpose;
412  struct {
413  /**
414  * the index of the FIB entry that is the covering entry
415  */
417  /**
418  * This source's index in the cover's list
419  */
421  } adj;
422  struct {
423  /**
424  * the index of the FIB entry that is the covering entry
425  */
426  fib_node_index_t fesi_cover;
427  /**
428  * This source's index in the cover's list
429  */
430  u32 fesi_sibling;
431  } interface;
432  struct {
433  /**
434  * This MPLS local label associated with the prefix.
435  */
437 
438  /**
439  * the indicies of the LFIB entries created
440  */
441  fib_node_index_t fesm_lfes[2];
442  } mpls;
443  struct {
444  /**
445  * The source FIB index.
446  */
448  } lisp;
449  } u;
451 
452 /**
453  * An entry in a FIB table.
454  *
455  * This entry represents a route added to the FIB that is stored
456  * in one of the FIB tables.
457  */
458 typedef struct fib_entry_t_ {
459  /**
460  * Base class. The entry's node representation in the graph.
461  */
463  /**
464  * The prefix of the route. this is const just to be sure.
465  * It is the entry's key/identity and so should never change.
466  */
468  /**
469  * The index of the FIB table this entry is in
470  */
472  /**
473  * The load-balance used for forwarding.
474  *
475  * We don't share the EOS and non-EOS even in case when they could be
476  * because:
477  * - complexity & reliability v. memory
478  * determining the conditions where sharing is possible is non-trivial.
479  * - separate LBs means we can get the EOS bit right in the MPLS label DPO
480  * and so save a few clock cycles in the DP imposition node since we can
481  * paint the header straight on without the need to check the packet
482  * type to derive the EOS bit value.
483  */
485  /**
486  * Vector of source infos.
487  * Most entries will only have 1 source. So we optimise for memory usage,
488  * which is preferable since we have many entries.
489  */
491  /**
492  * the path-list for which this entry is a child. This is also the path-list
493  * that is contributing forwarding for this entry.
494  */
496  /**
497  * index of this entry in the parent's child list.
498  * This is set when this entry is added as a child, but can also
499  * be changed by the parent as it manages its list.
500  */
502 
503  /**
504  * A vector of delegates.
505  */
507 } fib_entry_t;
508 
509 #define FOR_EACH_FIB_ENTRY_FLAG(_item) \
510  for (_item = FIB_ENTRY_FLAG_FIRST; _item < FIB_ENTRY_FLAG_MAX; _item++)
511 
512 #define FIB_ENTRY_FORMAT_BRIEF (0x0)
513 #define FIB_ENTRY_FORMAT_DETAIL (0x1)
514 #define FIB_ENTRY_FORMAT_DETAIL2 (0x2)
515 
516 extern u8 *format_fib_entry (u8 * s, va_list * args);
517 extern u8 *format_fib_source (u8 * s, va_list * args);
518 
520  const fib_prefix_t *prefix,
521  fib_source_t source,
523  const dpo_id_t *dpo);
524 
525 extern fib_node_index_t fib_entry_create (u32 fib_index,
526  const fib_prefix_t *prefix,
527  fib_source_t source,
529  const fib_route_path_t *paths);
530 extern void fib_entry_update (fib_node_index_t fib_entry_index,
531  fib_source_t source,
533  const fib_route_path_t *paths);
534 
535 extern void fib_entry_path_add(fib_node_index_t fib_entry_index,
536  fib_source_t source,
538  const fib_route_path_t *rpath);
539 extern void fib_entry_special_add(fib_node_index_t fib_entry_index,
540  fib_source_t source,
542  const dpo_id_t *dpo);
543 extern void fib_entry_special_update(fib_node_index_t fib_entry_index,
544  fib_source_t source,
546  const dpo_id_t *dpo);
548  fib_source_t source);
549 
551  fib_source_t source,
552  const fib_route_path_t *rpath);
553 
554 extern void fib_entry_inherit(fib_node_index_t cover,
555  fib_node_index_t covered);
556 
558  fib_source_t source);
559 
561  fib_node_index_t fib_entry_index);
562 extern void fib_entry_contribute_urpf(fib_node_index_t path_index,
563  index_t urpf);
565  fib_node_index_t fib_entry_index,
567  dpo_id_t *dpo);
569  fib_node_index_t fib_entry_index);
571  fib_node_index_t fib_entry_index,
572  fib_source_t source);
573 extern const int fib_entry_get_dpo_for_source (
574  fib_node_index_t fib_entry_index,
575  fib_source_t source,
576  dpo_id_t *dpo);
577 
578 extern adj_index_t fib_entry_get_adj(fib_node_index_t fib_entry_index);
579 
580 extern int fib_entry_cmp_for_sort(void *i1, void *i2);
581 
582 extern void fib_entry_cover_changed(fib_node_index_t fib_entry);
583 extern void fib_entry_cover_updated(fib_node_index_t fib_entry);
585  fib_node_index_t **entry_indicies);
586 
587 extern void fib_entry_lock(fib_node_index_t fib_entry_index);
588 extern void fib_entry_unlock(fib_node_index_t fib_entry_index);
589 
590 extern u32 fib_entry_child_add(fib_node_index_t fib_entry_index,
591  fib_node_type_t type,
592  fib_node_index_t child_index);
593 extern void fib_entry_child_remove(fib_node_index_t fib_entry_index,
594  u32 sibling_index);
597  fib_node_index_t fib_entry_index,
598  fib_source_t source);
599 
600 extern void fib_entry_encode(fib_node_index_t fib_entry_index,
601  fib_route_path_encode_t **api_rpaths);
602 extern void fib_entry_get_prefix(fib_node_index_t fib_entry_index,
603  fib_prefix_t *pfx);
604 extern u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index);
605 extern void fib_entry_set_source_data(fib_node_index_t fib_entry_index,
606  fib_source_t source,
607  const void *data);
608 extern const void* fib_entry_get_source_data(fib_node_index_t fib_entry_index,
609  fib_source_t source);
610 
613  fib_node_index_t fib_entry_index,
614  fib_source_t source);
615 extern fib_source_t fib_entry_get_best_source(fib_node_index_t fib_entry_index);
616 extern int fib_entry_is_sourced(fib_node_index_t fib_entry_index,
617  fib_source_t source);
618 
620 extern int fib_entry_is_resolved(fib_node_index_t fib_entry_index);
621 extern int fib_entry_is_host(fib_node_index_t fib_entry_index);
622 extern void fib_entry_set_flow_hash_config(fib_node_index_t fib_entry_index,
623  flow_hash_config_t hash_config);
624 
625 extern void fib_entry_module_init(void);
626 
627 /*
628  * unsafe... beware the raw pointer.
629  */
630 extern fib_node_index_t fib_entry_get_index(const fib_entry_t * fib_entry);
631 extern fib_entry_t * fib_entry_get(fib_node_index_t fib_entry_index);
632 
633 /*
634  * for testing purposes.
635  */
636 extern u32 fib_entry_pool_size(void);
637 
638 #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:840
the source is active/best
Definition: fib_entry.h:308
Recursive resolution source.
Definition: fib_entry.h:125
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:373
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:527
An entry in a FIB table.
Definition: fib_entry.h:458
A representation of a fib path for fib_path_encode to convey the information to the caller...
Definition: fib_types.h:569
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:460
The prefix/address exempted from loose uRPF check To be used with caution.
Definition: fib_entry.h:233
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:1434
fib_entry_src_flag_t fib_entry_special_remove(fib_node_index_t fib_entry_index, fib_source_t source)
Definition: fib_entry.c:1061
Definition: fib_entry.h:336
void fib_entry_cover_updated(fib_node_index_t fib_entry)
Definition: fib_entry.c:1291
Definition: fib_entry.h:335
fib_source_t fib_entry_get_best_source(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1419
Definition: fib_entry.h:286
Information related to the source of a FIB entry.
Definition: fib_entry.h:350
Definition: fib_entry.h:281
u32 mpls_label_t
A label value only, i.e.
Definition: packet.h:24
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 *rpath)
Definition: fib_entry.c:969
From the CLI.
Definition: fib_entry.h:78
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:201
Marker.
Definition: fib_entry.h:316
The prefix/address is local to this device.
Definition: fib_entry.h:223
Attached Export source.
Definition: fib_entry.h:120
fib_source_t_
The different sources that can create a route.
Definition: fib_entry.h:30
Definition: fib_entry.h:284
u32 fe_fib_index
The index of the FIB table this entry is in.
Definition: fib_entry.h:471
uRPF bypass/exemption.
Definition: fib_entry.h:130
mpls_label_t fesm_label
This MPLS local label associated with the prefix.
Definition: fib_entry.h:436
Definition: fib_entry.h:277
fib_entry_src_t * fe_srcs
Vector of source infos.
Definition: fib_entry.h:490
Marker.
Definition: fib_entry.h:252
void fib_entry_set_flow_hash_config(fib_node_index_t fib_entry_index, flow_hash_config_t hash_config)
Definition: fib_entry.c:1474
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:495
u32 fib_entry_get_resolving_interface(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1409
IPv[46] Mapping.
Definition: fib_entry.h:90
u32 fesi_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:405
u32 fe_sibling
index of this entry in the parent&#39;s child list.
Definition: fib_entry.h:501
Definition: fib_entry.h:283
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:538
Marker.
Definition: fib_entry.h:148
A high priority source a plugin can use.
Definition: fib_entry.h:62
u32 fib_entry_pool_size(void)
Definition: fib_entry.c:1636
int fib_entry_cmp_for_sort(void *i1, void *i2)
Definition: fib_entry.c:1568
This FIB entry imposes its source information on all prefixes that is covers.
Definition: fib_entry.h:242
The route is attached cross tables and thus imports covered prefixes from the other table...
Definition: fib_entry.h:219
Aggregrate type for a prefix.
Definition: fib_types.h:193
void fib_entry_get_prefix(fib_node_index_t fib_entry_index, fib_prefix_t *pfx)
Definition: fib_entry.c:1616
fib_entry_flag_t_
Definition: fib_entry.h:274
u32 fesa_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:420
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:478
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:419
Definition: fib_entry.h:275
const int fib_entry_get_dpo_for_source(fib_node_index_t fib_entry_index, fib_source_t source, dpo_id_t *dpo)
MPLS label.
Definition: fib_entry.h:114
The identity of a DPO is a combination of its type and its instance number/index of objects of that t...
Definition: dpo.h:168
Definition: fib_entry.h:280
IPv6 ND (seen in the link-local tables)
Definition: fib_entry.h:102
Definition: fib_entry.h:279
uword size
u32 fesr_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:395
Adjacency source.
Definition: fib_entry.h:108
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:1587
From the BIER subsystem.
Definition: fib_entry.h:66
Definition: fib_entry.h:337
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:1186
fib_node_index_t fib_entry_get_index(const fib_entry_t *fib_entry)
Definition: fib_entry.c:57
int fib_entry_is_resolved(fib_node_index_t fib_entry_index)
Return !0 is the entry is reoslved, i.e.
Definition: fib_entry.c:1448
fib_node_index_t fesl_fib_index
The source FIB index.
Definition: fib_entry.h:447
A list of path-extensions.
Definition: fib_types.h:586
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:1218
An node in the FIB graph.
Definition: fib_node.h:287
struct fib_entry_t_ fib_entry_t
An entry in a FIB table.
The prefix/address exempted from attached export.
Definition: fib_entry.h:237
adj_index_t fib_entry_get_adj(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:498
void fib_entry_encode(fib_node_index_t fib_entry_index, fib_route_path_encode_t **api_rpaths)
Definition: fib_entry.c:1603
u32 flags
Definition: vhost_user.h:110
fib_node_index_t fib_entry_get_path_list(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:517
Attached.
Definition: fib_entry.h:205
int fib_entry_is_sourced(fib_node_index_t fib_entry_index, fib_source_t source)
Definition: fib_entry.h:333
From 6RD.
Definition: fib_entry.h:70
fib_entry_attribute_t_
The different sources that can create a route.
Definition: fib_entry.h:193
the source is contributing forwarding
Definition: fib_entry.h:304
Definition: fib_entry.h:285
Definition: fib_entry.h:278
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:726
Marker.
Definition: fib_entry.h:197
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:1358
void fib_entry_inherit(fib_node_index_t cover, fib_node_index_t covered)
fib_entry_inherit
Definition: fib_entry.c:1161
fib_entry_flag_t fes_entry_flags
Flags the source contributes to the entry.
Definition: fib_entry.h:364
fib_source_t fes_src
Which source this info block is for.
Definition: fib_entry.h:369
fib_entry_src_flag_t fes_flags
Flags on the source.
Definition: fib_entry.h:374
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)
The default route source.
Definition: fib_entry.h:137
Classify.
Definition: fib_entry.h:44
u8 * format_fib_source(u8 *s, va_list *args)
Definition: fib_entry.c:94
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:856
fib_node_t fe_node
Base class.
Definition: fib_entry.h:462
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:1174
enum fib_forward_chain_type_t_ fib_forward_chain_type_t
FIB output chain type.
The interpose source.
Definition: fib_entry.h:144
Definition: fib_entry.h:334
the source is inherited from its cover
Definition: fib_entry.h:312
fib_node_index_t fesr_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:391
dpo_id_t fesi_dpo
DPO type to interpose.
Definition: fib_entry.h:410
From the control plane API.
Definition: fib_entry.h:74
enum fib_entry_src_flag_t_ fib_entry_src_flag_t
Route added as a result of interface configuration.
Definition: fib_entry.h:54
u32 flow_hash_config_t
A flow hash configuration is a mask of the flow hash options.
Definition: lookup.h:82
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:689
Marker.
Definition: fib_entry.h:296
dpo_id_t fe_lb
The load-balance used for forwarding.
Definition: fib_entry.h:484
The interpose attribute.
Definition: fib_entry.h:248
fib_entry_delegate_t * fe_delegates
A vector of delegates.
Definition: fib_entry.h:506
fib_node_index_t fes_pl
The path-list created by the source.
Definition: fib_entry.h:359
fib_entry_t * fib_entry_get(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:45
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:58
Marker.
Definition: fib_entry.h:34
void fib_entry_module_init(void)
Definition: fib_entry.c:1597
fib_entry_src_attribute_t_
Flags for the source data.
Definition: fib_entry.h:292
DHCP.
Definition: fib_entry.h:94
the source has been added to the entry
Definition: fib_entry.h:300
Definition: fib_entry.h:276
A route the is being &#39;proxied&#39; on behalf of another device.
Definition: fib_entry.h:48
STATIC_ASSERT(sizeof(fib_source_t)==1,"FIB too many sources")
Special sources.
Definition: fib_entry.h:40
typedef prefix
Definition: ip_types.api:40
void fib_entry_recalculate_forwarding(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:774
enum fib_node_type_t_ fib_node_type_t
The types of nodes in a FIB graph.
LISP.
Definition: fib_entry.h:86
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 *rpath)
Definition: fib_entry.c:873
void fib_entry_lock(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1577
u8 * format_fib_entry(u8 *s, va_list *args)
Definition: fib_entry.c:104
fib_node_index_t fesa_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:416
fib_node_index_t fesi_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:401
u8 fes_ref_count
1 bytes ref count.
Definition: fib_entry.h:381
fib_path_ext_list_t fes_path_exts
A vector of path extensions.
Definition: fib_entry.h:354
The route is an explicit drop.
Definition: fib_entry.h:209
The route is exclusive.
Definition: fib_entry.h:214
A Delagate is a means to implmenet the Delagation design pattern; the extension of an objects functio...
Definition: fib_entry.h:282
fib_entry_flag_t fib_entry_get_flags(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:276
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:82
const fib_prefix_t fe_prefix
The prefix of the route.
Definition: fib_entry.h:467
u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1626
The prefix/address is a multicast prefix.
Definition: fib_entry.h:228
IPv6 Proxy ND.
Definition: fib_entry.h:98
fib_entry_src_flag_t_
Definition: fib_entry.h:332