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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 the thier relative priority order.
27  * The lower the value the higher the priority
28  */
29 typedef enum fib_source_t_ {
30  /**
31  * Marker. Add new values after this one.
32  */
34  /**
35  * Special sources. These are for entries that are added to all
36  * FIBs by default, and should never be over-ridden (hence they
37  * are the highest priority)
38  */
40  /**
41  * Classify. A route that links directly to a classify adj
42  */
44  /**
45  * Route added as a result of interface configuration.
46  * this will also come from the API/CLI, but the distinction is
47  * that is from confiiguration on an interface, not a 'ip route' command
48  */
50  /**
51  * A high priority source a plugin can use
52  */
54  /**
55  * From the control plane API
56  */
58  /**
59  * From the CLI.
60  */
62  /**
63  * LISP
64  */
66  /**
67  * SRv6
68  */
70  /**
71  * IPv[46] Mapping
72  */
74  /**
75  * SIXRD
76  */
78  /**
79  * DHCP
80  */
82  /**
83  * Adjacency source.
84  * routes created as a result of ARP/ND entries. This is lower priority
85  * then the API/CLI. This is on purpose. trust me.
86  */
88  /**
89  * MPLS label. The prefix has been assigned a local label. This source
90  * never provides forwarding information, instead it acts as a place-holder
91  * so the association of label to prefix can be maintained
92  */
94  /**
95  * Attached Export source.
96  * routes created as a result of attahced export. routes thus sourced
97  * will be present in the export tables
98  */
100  /**
101  * Recursive resolution source.
102  * Used to install an entry that is the resolution traget of another.
103  */
105  /**
106  * uRPF bypass/exemption.
107  * Used to install an entry that is exempt from the loose uRPF check
108  */
110  /**
111  * The default route source.
112  * The default route is always added to the FIB table (like the
113  * special sources) but we need to be able to over-ride it with
114  * 'ip route' sources when provided
115  */
117  /**
118  * Marker. add new entries before this one.
119  */
121 } __attribute__ ((packed)) fib_source_t;
122 
123 _Static_assert (sizeof(fib_source_t) == 1,
124  "FIB too many sources");
125 
126 /**
127  * The maximum number of sources
128  */
129 #define FIB_SOURCE_MAX (FIB_SOURCE_LAST+1)
130 
131 #define FIB_SOURCES { \
132  [FIB_SOURCE_SPECIAL] = "special", \
133  [FIB_SOURCE_INTERFACE] = "interface", \
134  [FIB_SOURCE_API] = "API", \
135  [FIB_SOURCE_CLI] = "CLI", \
136  [FIB_SOURCE_ADJ] = "adjacency", \
137  [FIB_SOURCE_MAP] = "MAP", \
138  [FIB_SOURCE_SR] = "SR", \
139  [FIB_SOURCE_SIXRD] = "SixRD", \
140  [FIB_SOURCE_LISP] = "LISP", \
141  [FIB_SOURCE_CLASSIFY] = "classify", \
142  [FIB_SOURCE_DHCP] = "DHCP", \
143  [FIB_SOURCE_RR] = "recursive-resolution", \
144  [FIB_SOURCE_AE] = "attached_export", \
145  [FIB_SOURCE_MPLS] = "mpls", \
146  [FIB_SOURCE_URPF_EXEMPT] = "urpf-exempt", \
147  [FIB_SOURCE_DEFAULT_ROUTE] = "default-route", \
148 }
149 
150 #define FOR_EACH_FIB_SOURCE(_item) \
151  for (_item = FIB_SOURCE_FIRST; _item < FIB_SOURCE_MAX; _item++)
152 
153 /**
154  * The different sources that can create a route.
155  * The sources are defined here the thier relative priority order.
156  * The lower the value the higher the priority
157  */
159  /**
160  * Marker. Add new values after this one.
161  */
163  /**
164  * Connected. The prefix is configured on an interface.
165  */
167  /**
168  * Attached. The prefix is attached to an interface.
169  */
171  /**
172  * The route is an explicit drop.
173  */
175  /**
176  * The route is exclusive. The client creating the route is
177  * providing an exclusive adjacency.
178  */
180  /**
181  * The route is attached cross tables and thus imports covered
182  * prefixes from the other table.
183  */
185  /**
186  * The prefix/address is local to this device
187  */
189  /**
190  * Marker. add new entries before this one.
191  */
194 
195 /**
196  * The maximum number of sources
197  */
198 #define FIB_ENTRY_ATTRIBUTE_MAX (FIB_ENTRY_ATTRIBUTE_LAST+1)
199 
200 #define FIB_ENTRY_ATTRIBUTES { \
201  [FIB_ENTRY_ATTRIBUTE_CONNECTED] = "connected", \
202  [FIB_ENTRY_ATTRIBUTE_ATTACHED] = "attached", \
203  [FIB_ENTRY_ATTRIBUTE_IMPORT] = "import", \
204  [FIB_ENTRY_ATTRIBUTE_DROP] = "drop", \
205  [FIB_ENTRY_ATTRIBUTE_EXCLUSIVE] = "exclusive", \
206  [FIB_ENTRY_ATTRIBUTE_LOCAL] = "local", \
207 }
208 
209 #define FOR_EACH_FIB_ATTRIBUTE(_item) \
210  for (_item = FIB_ENTRY_ATTRIBUTE_FIRST; \
211  _item < FIB_ENTRY_ATTRIBUTE_MAX; \
212  _item++)
213 
214 typedef enum fib_entry_flag_t_ {
223 
224 /**
225  * Flags for the source data
226  */
228  /**
229  * Marker. Add new values after this one.
230  */
232  /**
233  * the source has been added to the entry
234  */
236  /**
237  * the source is active/best
238  */
240  /**
241  * Marker. add new entries before this one.
242  */
245 
246 #define FIB_ENTRY_SRC_ATTRIBUTE_MAX (FIB_ENTRY_SRC_ATTRIBUTE_LAST+1)
247 
248 #define FIB_ENTRY_SRC_ATTRIBUTES { \
249  [FIB_ENTRY_SRC_ATTRIBUTE_ADDED] = "added", \
250  [FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE] = "active", \
251 }
252 
253 typedef enum fib_entry_src_flag_t_ {
257 } __attribute__ ((packed)) fib_entry_src_flag_t;
258 
259 /*
260  * Keep the size of the flags field to 2 bytes, so it
261  * can be placed next to the 2 bytes reference count
262  */
263 _Static_assert (sizeof(fib_entry_src_flag_t) <= 2,
264  "FIB entry flags field size too big");
265 
266 /**
267  * Information related to the source of a FIB entry
268  */
269 typedef struct fib_entry_src_t_ {
270  /**
271  * A vector of path extensions
272  */
274 
275  /**
276  * The path-list created by the source
277  */
279  /**
280  * Which source this info block is for
281  */
282  fib_source_t fes_src;
283  /**
284  * Flags on the source
285  */
286  fib_entry_src_flag_t fes_flags;
287 
288  /**
289  * 1 bytes ref count. This is not the number of users of the Entry
290  * (which is itself not large, due to path-list sharing), but the number
291  * of times a given source has been added. Which is even fewer
292  */
294 
295  /**
296  * Flags the source contributes to the entry
297  */
299 
300  /**
301  * Source specific info
302  */
303  union {
304  struct {
305  /**
306  * the index of the FIB entry that is the covering entry
307  */
309  /**
310  * This source's index in the cover's list
311  */
313  } rr;
314  struct {
315  /**
316  * the index of the FIB entry that is the covering entry
317  */
319  /**
320  * This source's index in the cover's list
321  */
323  } adj;
324  struct {
325  /**
326  * the index of the FIB entry that is the covering entry
327  */
329  /**
330  * This source's index in the cover's list
331  */
333  } interface;
334  struct {
335  /**
336  * This MPLS local label associated with the prefix.
337  */
339 
340  /**
341  * the indicies of the LFIB entries created
342  */
343  fib_node_index_t fesm_lfes[2];
344  } mpls;
345  struct {
346  /**
347  * The source FIB index.
348  */
350  } lisp;
351  };
353 
354 /**
355  * An entry in a FIB table.
356  *
357  * This entry represents a route added to the FIB that is stored
358  * in one of the FIB tables.
359  */
360 typedef struct fib_entry_t_ {
361  /**
362  * Base class. The entry's node representation in the graph.
363  */
365  /**
366  * The prefix of the route
367  */
369  /**
370  * The index of the FIB table this entry is in
371  */
373  /**
374  * The load-balance used for forwarding.
375  *
376  * We don't share the EOS and non-EOS even in case when they could be
377  * because:
378  * - complexity & reliability v. memory
379  * determining the conditions where sharing is possible is non-trivial.
380  * - separate LBs means we can get the EOS bit right in the MPLS label DPO
381  * and so save a few clock cycles in the DP imposition node since we can
382  * paint the header straight on without the need to check the packet
383  * type to derive the EOS bit value.
384  */
386  /**
387  * Vector of source infos.
388  * Most entries will only have 1 source. So we optimise for memory usage,
389  * which is preferable since we have many entries.
390  */
392  /**
393  * the path-list for which this entry is a child. This is also the path-list
394  * that is contributing forwarding for this entry.
395  */
397  /**
398  * index of this entry in the parent's child list.
399  * This is set when this entry is added as a child, but can also
400  * be changed by the parent as it manages its list.
401  */
403  /**
404  * Dependency list of covered entries.
405  * these are more specific entries that are interested in changes
406  * to their respective cover
407  */
409  /**
410  * exporter
411  */
414 } fib_entry_t;
415 
416 #define FOR_EACH_FIB_ENTRY_FLAG(_item) \
417  for (_item = FIB_ENTRY_FLAG_FIRST; _item < FIB_ENTRY_FLAG_MAX; _item++)
418 
419 #define FIB_ENTRY_FORMAT_BRIEF (0x0)
420 #define FIB_ENTRY_FORMAT_DETAIL (0x1)
421 #define FIB_ENTRY_FORMAT_DETAIL2 (0x2)
422 
423 extern u8 *format_fib_entry (u8 * s, va_list * args);
424 
426  const fib_prefix_t *prefix,
427  fib_source_t source,
429  const dpo_id_t *dpo);
430 
431 extern fib_node_index_t fib_entry_create (u32 fib_index,
432  const fib_prefix_t *prefix,
433  fib_source_t source,
435  const fib_route_path_t *paths);
436 extern void fib_entry_update (fib_node_index_t fib_entry_index,
437  fib_source_t source,
439  const fib_route_path_t *paths);
440 
441 extern void fib_entry_path_add(fib_node_index_t fib_entry_index,
442  fib_source_t source,
444  const fib_route_path_t *rpath);
445 extern void fib_entry_special_add(fib_node_index_t fib_entry_index,
446  fib_source_t source,
448  const dpo_id_t *dpo);
449 extern void fib_entry_special_update(fib_node_index_t fib_entry_index,
450  fib_source_t source,
452  const dpo_id_t *dpo);
454  fib_source_t source);
455 
457  fib_source_t source,
458  const fib_route_path_t *rpath);
460  fib_source_t source);
461 
462 extern void fib_entry_contribute_urpf(fib_node_index_t path_index,
463  index_t urpf);
465  fib_node_index_t fib_entry_index,
467  dpo_id_t *dpo);
469  fib_node_index_t fib_entry_index);
471  fib_node_index_t fib_entry_index,
472  fib_source_t source);
473 extern const int fib_entry_get_dpo_for_source (
474  fib_node_index_t fib_entry_index,
475  fib_source_t source,
476  dpo_id_t *dpo);
477 
478 extern adj_index_t fib_entry_get_adj(fib_node_index_t fib_entry_index);
479 
480 extern int fib_entry_cmp_for_sort(void *i1, void *i2);
481 
482 extern void fib_entry_cover_changed(fib_node_index_t fib_entry);
483 extern void fib_entry_cover_updated(fib_node_index_t fib_entry);
485  fib_node_index_t **entry_indicies);
486 
487 extern void fib_entry_lock(fib_node_index_t fib_entry_index);
488 extern void fib_entry_unlock(fib_node_index_t fib_entry_index);
489 
490 extern u32 fib_entry_child_add(fib_node_index_t fib_entry_index,
492  fib_node_index_t child_index);
493 extern void fib_entry_child_remove(fib_node_index_t fib_entry_index,
494  u32 sibling_index);
497  fib_node_index_t fib_entry_index,
498  fib_source_t source);
499 
500 extern void fib_entry_get_prefix(fib_node_index_t fib_entry_index,
501  fib_prefix_t *pfx);
502 extern u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index);
503 extern void fib_entry_set_source_data(fib_node_index_t fib_entry_index,
504  fib_source_t source,
505  const void *data);
506 extern const void* fib_entry_get_source_data(fib_node_index_t fib_entry_index,
507  fib_source_t source);
508 
511  fib_node_index_t fib_entry_index,
512  fib_source_t source);
513 extern fib_source_t fib_entry_get_best_source(fib_node_index_t fib_entry_index);
514 extern int fib_entry_is_sourced(fib_node_index_t fib_entry_index,
515  fib_source_t source);
516 
518 
519 extern void fib_entry_module_init(void);
520 
521 /*
522  * unsafe... beware the raw pointer.
523  */
524 extern fib_node_index_t fib_entry_get_index(const fib_entry_t * fib_entry);
525 extern fib_entry_t * fib_entry_get(fib_node_index_t fib_entry_index);
526 
527 /*
528  * for testing purposes.
529  */
530 extern u32 fib_entry_pool_size(void);
531 
532 #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:798
the source is active/best
Definition: fib_entry.h:239
Recursive resolution source.
Definition: fib_entry.h:104
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:467
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:550
An entry in a FIB table.
Definition: fib_entry.h:360
enum fib_node_type_t_ fib_node_type_t
The types of nodes in a FIB graph.
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:283
bad routing header type(not 4)") sr_error (NO_MORE_SEGMENTS
fib_entry_src_flag_t fib_entry_special_remove(fib_node_index_t fib_entry_index, fib_source_t source)
Definition: fib_entry.c:999
Definition: fib_entry.h:256
void fib_entry_cover_updated(fib_node_index_t fib_entry)
Definition: fib_entry.c:1236
fib_source_t fib_entry_get_best_source(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1364
Information related to the source of a FIB entry.
Definition: fib_entry.h:269
Definition: fib_entry.h:221
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:904
From the CLI.
Definition: fib_entry.h:61
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:166
Marker.
Definition: fib_entry.h:243
The prefix/address is local to this device.
Definition: fib_entry.h:188
Attached Export source.
Definition: fib_entry.h:99
fib_source_t_
The different sources that can create a route.
Definition: fib_entry.h:29
u32 fe_fib_index
The index of the FIB table this entry is in.
Definition: fib_entry.h:372
uRPF bypass/exemption.
Definition: fib_entry.h:109
mpls_label_t fesm_label
This MPLS local label associated with the prefix.
Definition: fib_entry.h:338
Definition: fib_entry.h:217
fib_entry_src_t * fe_srcs
Vector of source infos.
Definition: fib_entry.h:391
Marker.
Definition: fib_entry.h:192
fib_node_index_t fe_parent
the path-list for which this entry is a child.
Definition: fib_entry.h:396
SIXRD.
Definition: fib_entry.h:77
u32 fib_entry_get_resolving_interface(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1354
IPv[46] Mapping.
Definition: fib_entry.h:73
u32 fesi_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:332
u32 fe_sibling
index of this entry in the parent&#39;s child list.
Definition: fib_entry.h:402
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:561
Marker.
Definition: fib_entry.h:120
#define FIB_FORW_CHAIN_MPLS_NUM
Definition: fib_types.h:119
A high priority source a plugin can use.
Definition: fib_entry.h:53
u32 fib_entry_pool_size(void)
Definition: fib_entry.c:1496
int fib_entry_cmp_for_sort(void *i1, void *i2)
Definition: fib_entry.c:1441
The route is attached cross tables and thus imports covered prefixes from the other table...
Definition: fib_entry.h:184
Aggregrate type for a prefix.
Definition: fib_types.h:149
void fib_entry_get_prefix(fib_node_index_t fib_entry_index, fib_prefix_t *pfx)
Definition: fib_entry.c:1476
fib_entry_flag_t_
Definition: fib_entry.h:214
u32 fesa_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:322
const dpo_id_t * fib_entry_contribute_ip_forwarding(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:515
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:483
Definition: fib_entry.h:215
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:93
The identity of a DPO is a combination of its type and its instance number/index of objects of that t...
Definition: dpo.h:138
Definition: fib_entry.h:220
Definition: fib_entry.h:219
struct fib_path_ext_t_ * fes_path_exts
A vector of path extensions.
Definition: fib_entry.h:273
u32 fesr_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:312
Adjacency source.
Definition: fib_entry.h:87
fib_node_list_t fe_covered
Dependency list of covered entries.
Definition: fib_entry.h:408
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:1460
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:1097
fib_node_index_t fib_entry_get_index(const fib_entry_t *fib_entry)
Definition: fib_entry.c:56
fib_node_index_t fesl_fib_index
The source FIB index.
Definition: fib_entry.h:349
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:1164
An node in the FIB graph.
Definition: fib_node.h:242
struct fib_entry_t_ fib_entry_t
An entry in a FIB table.
fib_node_index_t fe_export
exporter
Definition: fib_entry.h:412
adj_index_t fib_entry_get_adj(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:525
fib_node_index_t fib_entry_get_path_list(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:540
Attached.
Definition: fib_entry.h:170
fib_prefix_t fe_prefix
The prefix of the route.
Definition: fib_entry.h:368
int fib_entry_is_sourced(fib_node_index_t fib_entry_index, fib_source_t source)
Definition: fib_entry.h:254
fib_entry_attribute_t_
The different sources that can create a route.
Definition: fib_entry.h:158
Definition: fib_entry.h:218
u32 fib_node_index_t
A typedef of a node index.
Definition: fib_types.h:28
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:709
Marker.
Definition: fib_entry.h:162
int fib_entry_recursive_loop_detect(fib_node_index_t entry_index, fib_node_index_t **entry_indicies)
Definition: fib_entry.c:1302
enum fib_entry_flag_t_ fib_entry_flag_t
fib_entry_flag_t fes_entry_flags
Flags the source contributes to the entry.
Definition: fib_entry.h:298
fib_source_t fes_src
Which source this info block is for.
Definition: fib_entry.h:282
fib_entry_src_flag_t fes_flags
Flags on the source.
Definition: fib_entry.h:286
const void * fib_entry_get_source_data(fib_node_index_t fib_entry_index, fib_source_t source)
unsigned int u32
Definition: types.h:88
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:116
Classify.
Definition: fib_entry.h:43
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:819
fib_node_t fe_node
Base class.
Definition: fib_entry.h:364
u32 size
Definition: vhost-user.h:76
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:1085
enum fib_forward_chain_type_t_ fib_forward_chain_type_t
FIB output chain type.
Definition: fib_entry.h:255
fib_node_index_t fesr_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:308
From the control plane API.
Definition: fib_entry.h:57
enum fib_entry_src_flag_t_ fib_entry_src_flag_t
Route added as a result of interface configuration.
Definition: fib_entry.h:49
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:672
Marker.
Definition: fib_entry.h:231
fib_node_index_t fes_pl
The path-list created by the source.
Definition: fib_entry.h:278
fib_entry_t * fib_entry_get(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:44
fib_entry_flag_t fib_entry_get_flags_for_source(fib_node_index_t fib_entry_index, fib_source_t source)
SRv6.
Definition: fib_entry.h:69
Marker.
Definition: fib_entry.h:33
void fib_entry_module_init(void)
Definition: fib_entry.c:1470
fib_entry_src_attribute_t_
Flags for the source data.
Definition: fib_entry.h:227
unsigned char u8
Definition: types.h:56
DHCP.
Definition: fib_entry.h:81
the source has been added to the entry
Definition: fib_entry.h:235
Definition: fib_entry.h:216
Special sources.
Definition: fib_entry.h:39
LISP.
Definition: fib_entry.h:65
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:841
void fib_entry_lock(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1450
u32 fib_node_list_t
A list of FIB nodes.
Definition: fib_node.h:155
u8 * format_fib_entry(u8 *s, va_list *args)
Definition: fib_entry.c:134
fib_node_index_t fesa_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:318
A path extension is a per-entry addition to the forwarigind information when packets are sent for tha...
Definition: fib_path_ext.h:32
fib_node_index_t fesi_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:328
u8 fes_ref_count
1 bytes ref count.
Definition: fib_entry.h:293
The route is an explicit drop.
Definition: fib_entry.h:174
The route is exclusive.
Definition: fib_entry.h:179
u32 flags
Definition: vhost-user.h:75
fib_entry_flag_t fib_entry_get_flags(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:376
void fib_entry_set_source_data(fib_node_index_t fib_entry_index, fib_source_t source, const void *data)
u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1486
fib_node_index_t fe_import
Definition: fib_entry.h:413
fib_entry_src_flag_t_
Definition: fib_entry.h:253