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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 the control plane API
69  */
71  /**
72  * From the CLI.
73  */
75  /**
76  * LISP
77  */
79  /**
80  * IPv[46] Mapping
81  */
83  /**
84  * SIXRD
85  */
87  /**
88  * DHCP
89  */
91  /**
92  * IPv6 Proxy ND
93  */
95  /**
96  * Adjacency source.
97  * routes created as a result of ARP/ND entries. This is lower priority
98  * then the API/CLI. This is on purpose. trust me.
99  */
101  /**
102  * MPLS label. The prefix has been assigned a local label. This source
103  * never provides forwarding information, instead it acts as a place-holder
104  * so the association of label to prefix can be maintained
105  */
107  /**
108  * Attached Export source.
109  * routes created as a result of attahced export. routes thus sourced
110  * will be present in the export tables
111  */
113  /**
114  * Recursive resolution source.
115  * Used to install an entry that is the resolution traget of another.
116  */
118  /**
119  * uRPF bypass/exemption.
120  * Used to install an entry that is exempt from the loose uRPF check
121  */
123  /**
124  * The default route source.
125  * The default route is always added to the FIB table (like the
126  * special sources) but we need to be able to over-ride it with
127  * 'ip route' sources when provided
128  */
130  /**
131  * Marker. add new entries before this one.
132  */
134 } __attribute__ ((packed)) fib_source_t;
135 
136 STATIC_ASSERT (sizeof(fib_source_t) == 1,
137  "FIB too many sources");
138 
139 /**
140  * The maximum number of sources
141  */
142 #define FIB_SOURCE_MAX (FIB_SOURCE_LAST+1)
143 
144 #define FIB_SOURCES { \
145  [FIB_SOURCE_SPECIAL] = "special", \
146  [FIB_SOURCE_INTERFACE] = "interface", \
147  [FIB_SOURCE_PROXY] = "proxy", \
148  [FIB_SOURCE_BIER] = "BIER", \
149  [FIB_SOURCE_API] = "API", \
150  [FIB_SOURCE_CLI] = "CLI", \
151  [FIB_SOURCE_ADJ] = "adjacency", \
152  [FIB_SOURCE_MAP] = "MAP", \
153  [FIB_SOURCE_SR] = "SR", \
154  [FIB_SOURCE_SIXRD] = "SixRD", \
155  [FIB_SOURCE_LISP] = "LISP", \
156  [FIB_SOURCE_CLASSIFY] = "classify", \
157  [FIB_SOURCE_DHCP] = "DHCP", \
158  [FIB_SOURCE_IP6_ND_PROXY] = "IPv6-proxy-nd", \
159  [FIB_SOURCE_RR] = "recursive-resolution", \
160  [FIB_SOURCE_AE] = "attached_export", \
161  [FIB_SOURCE_MPLS] = "mpls", \
162  [FIB_SOURCE_URPF_EXEMPT] = "urpf-exempt", \
163  [FIB_SOURCE_DEFAULT_ROUTE] = "default-route", \
164 }
165 
166 #define FOR_EACH_FIB_SOURCE(_item) \
167  for (_item = FIB_SOURCE_FIRST; _item < FIB_SOURCE_MAX; _item++)
168 
169 /**
170  * The different sources that can create a route.
171  * The sources are defined here the thier relative priority order.
172  * The lower the value the higher the priority
173  */
175  /**
176  * Marker. Add new values after this one.
177  */
179  /**
180  * Connected. The prefix is configured on an interface.
181  */
183  /**
184  * Attached. The prefix is attached to an interface.
185  */
187  /**
188  * The route is an explicit drop.
189  */
191  /**
192  * The route is exclusive. The client creating the route is
193  * providing an exclusive adjacency.
194  */
196  /**
197  * The route is attached cross tables and thus imports covered
198  * prefixes from the other table.
199  */
201  /**
202  * The prefix/address is local to this device
203  */
205  /**
206  * The prefix/address is a multicast prefix.
207  * this aplies only to MPLS. IP multicast is handled by mfib
208  */
210  /**
211  * The prefix/address exempted from loose uRPF check
212  * To be used with caution
213  */
215  /**
216  * Marker. add new entries before this one.
217  */
220 
221 #define FIB_ENTRY_ATTRIBUTES { \
222  [FIB_ENTRY_ATTRIBUTE_CONNECTED] = "connected", \
223  [FIB_ENTRY_ATTRIBUTE_ATTACHED] = "attached", \
224  [FIB_ENTRY_ATTRIBUTE_IMPORT] = "import", \
225  [FIB_ENTRY_ATTRIBUTE_DROP] = "drop", \
226  [FIB_ENTRY_ATTRIBUTE_EXCLUSIVE] = "exclusive", \
227  [FIB_ENTRY_ATTRIBUTE_LOCAL] = "local", \
228  [FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT] = "uRPF-exempt", \
229  [FIB_ENTRY_ATTRIBUTE_MULTICAST] = "multicast", \
230 }
231 
232 #define FOR_EACH_FIB_ATTRIBUTE(_item) \
233  for (_item = FIB_ENTRY_ATTRIBUTE_FIRST; \
234  _item <= FIB_ENTRY_ATTRIBUTE_LAST; \
235  _item++)
236 
237 typedef enum fib_entry_flag_t_ {
247 } __attribute__((packed)) fib_entry_flag_t;
248 
249 /**
250  * Flags for the source data
251  */
253  /**
254  * Marker. Add new values after this one.
255  */
257  /**
258  * the source has been added to the entry
259  */
261  /**
262  * the source is active/best
263  */
265  /**
266  * Marker. add new entries before this one.
267  */
270 
271 #define FIB_ENTRY_SRC_ATTRIBUTE_MAX (FIB_ENTRY_SRC_ATTRIBUTE_LAST+1)
272 
273 #define FIB_ENTRY_SRC_ATTRIBUTES { \
274  [FIB_ENTRY_SRC_ATTRIBUTE_ADDED] = "added", \
275  [FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE] = "active", \
276 }
277 
278 typedef enum fib_entry_src_flag_t_ {
282 } __attribute__ ((packed)) fib_entry_src_flag_t;
283 
284 /*
285  * Keep the size of the flags field to 2 bytes, so it
286  * can be placed next to the 2 bytes reference count
287  */
288 STATIC_ASSERT (sizeof(fib_entry_src_flag_t) <= 2,
289  "FIB entry flags field size too big");
290 
291 /**
292  * Information related to the source of a FIB entry
293  */
294 typedef struct fib_entry_src_t_ {
295  /**
296  * A vector of path extensions
297  */
299 
300  /**
301  * The path-list created by the source
302  */
304  /**
305  * Which source this info block is for
306  */
307  fib_source_t fes_src;
308  /**
309  * Flags on the source
310  */
311  fib_entry_src_flag_t fes_flags;
312 
313  /**
314  * 1 bytes ref count. This is not the number of users of the Entry
315  * (which is itself not large, due to path-list sharing), but the number
316  * of times a given source has been added. Which is even fewer
317  */
319 
320  /**
321  * Flags the source contributes to the entry
322  */
324 
325  /**
326  * Source specific info
327  */
328  union {
329  struct {
330  /**
331  * the index of the FIB entry that is the covering entry
332  */
334  /**
335  * This source's index in the cover's list
336  */
338  } rr;
339  struct {
340  /**
341  * the index of the FIB entry that is the covering entry
342  */
344  /**
345  * This source's index in the cover's list
346  */
348  } adj;
349  struct {
350  /**
351  * the index of the FIB entry that is the covering entry
352  */
354  /**
355  * This source's index in the cover's list
356  */
358  } interface;
359  struct {
360  /**
361  * This MPLS local label associated with the prefix.
362  */
364 
365  /**
366  * the indicies of the LFIB entries created
367  */
368  fib_node_index_t fesm_lfes[2];
369  } mpls;
370  struct {
371  /**
372  * The source FIB index.
373  */
375  } lisp;
376  };
378 
379 /**
380  * An entry in a FIB table.
381  *
382  * This entry represents a route added to the FIB that is stored
383  * in one of the FIB tables.
384  */
385 typedef struct fib_entry_t_ {
386  /**
387  * Base class. The entry's node representation in the graph.
388  */
390  /**
391  * The prefix of the route. this is const just to be sure.
392  * It is the entry's key/identity and so should never change.
393  */
395  /**
396  * The index of the FIB table this entry is in
397  */
399  /**
400  * The load-balance used for forwarding.
401  *
402  * We don't share the EOS and non-EOS even in case when they could be
403  * because:
404  * - complexity & reliability v. memory
405  * determining the conditions where sharing is possible is non-trivial.
406  * - separate LBs means we can get the EOS bit right in the MPLS label DPO
407  * and so save a few clock cycles in the DP imposition node since we can
408  * paint the header straight on without the need to check the packet
409  * type to derive the EOS bit value.
410  */
412  /**
413  * Vector of source infos.
414  * Most entries will only have 1 source. So we optimise for memory usage,
415  * which is preferable since we have many entries.
416  */
418  /**
419  * the path-list for which this entry is a child. This is also the path-list
420  * that is contributing forwarding for this entry.
421  */
423  /**
424  * index of this entry in the parent's child list.
425  * This is set when this entry is added as a child, but can also
426  * be changed by the parent as it manages its list.
427  */
429 
430  /**
431  * A vector of delegates.
432  */
434 } fib_entry_t;
435 
436 #define FOR_EACH_FIB_ENTRY_FLAG(_item) \
437  for (_item = FIB_ENTRY_FLAG_FIRST; _item < FIB_ENTRY_FLAG_MAX; _item++)
438 
439 #define FIB_ENTRY_FORMAT_BRIEF (0x0)
440 #define FIB_ENTRY_FORMAT_DETAIL (0x1)
441 #define FIB_ENTRY_FORMAT_DETAIL2 (0x2)
442 
443 extern u8 *format_fib_entry (u8 * s, va_list * args);
444 extern u8 *format_fib_source (u8 * s, va_list * args);
445 
447  const fib_prefix_t *prefix,
448  fib_source_t source,
450  const dpo_id_t *dpo);
451 
452 extern fib_node_index_t fib_entry_create (u32 fib_index,
453  const fib_prefix_t *prefix,
454  fib_source_t source,
456  const fib_route_path_t *paths);
457 extern void fib_entry_update (fib_node_index_t fib_entry_index,
458  fib_source_t source,
460  const fib_route_path_t *paths);
461 
462 extern void fib_entry_path_add(fib_node_index_t fib_entry_index,
463  fib_source_t source,
465  const fib_route_path_t *rpath);
466 extern void fib_entry_special_add(fib_node_index_t fib_entry_index,
467  fib_source_t source,
469  const dpo_id_t *dpo);
470 extern void fib_entry_special_update(fib_node_index_t fib_entry_index,
471  fib_source_t source,
473  const dpo_id_t *dpo);
475  fib_source_t source);
476 
478  fib_source_t source,
479  const fib_route_path_t *rpath);
481  fib_source_t source);
482 
483 extern void fib_entry_contribute_urpf(fib_node_index_t path_index,
484  index_t urpf);
486  fib_node_index_t fib_entry_index,
488  dpo_id_t *dpo);
490  fib_node_index_t fib_entry_index);
492  fib_node_index_t fib_entry_index,
493  fib_source_t source);
494 extern const int fib_entry_get_dpo_for_source (
495  fib_node_index_t fib_entry_index,
496  fib_source_t source,
497  dpo_id_t *dpo);
498 
499 extern adj_index_t fib_entry_get_adj(fib_node_index_t fib_entry_index);
500 
501 extern int fib_entry_cmp_for_sort(void *i1, void *i2);
502 
503 extern void fib_entry_cover_changed(fib_node_index_t fib_entry);
504 extern void fib_entry_cover_updated(fib_node_index_t fib_entry);
506  fib_node_index_t **entry_indicies);
507 
508 extern void fib_entry_lock(fib_node_index_t fib_entry_index);
509 extern void fib_entry_unlock(fib_node_index_t fib_entry_index);
510 
511 extern u32 fib_entry_child_add(fib_node_index_t fib_entry_index,
512  fib_node_type_t type,
513  fib_node_index_t child_index);
514 extern void fib_entry_child_remove(fib_node_index_t fib_entry_index,
515  u32 sibling_index);
518  fib_node_index_t fib_entry_index,
519  fib_source_t source);
520 
521 extern void fib_entry_encode(fib_node_index_t fib_entry_index,
522  fib_route_path_encode_t **api_rpaths);
523 extern void fib_entry_get_prefix(fib_node_index_t fib_entry_index,
524  fib_prefix_t *pfx);
525 extern u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index);
526 extern void fib_entry_set_source_data(fib_node_index_t fib_entry_index,
527  fib_source_t source,
528  const void *data);
529 extern const void* fib_entry_get_source_data(fib_node_index_t fib_entry_index,
530  fib_source_t source);
531 
534  fib_node_index_t fib_entry_index,
535  fib_source_t source);
536 extern fib_source_t fib_entry_get_best_source(fib_node_index_t fib_entry_index);
537 extern int fib_entry_is_sourced(fib_node_index_t fib_entry_index,
538  fib_source_t source);
539 
541 extern int fib_entry_is_resolved(fib_node_index_t fib_entry_index);
542 extern void fib_entry_set_flow_hash_config(fib_node_index_t fib_entry_index,
543  flow_hash_config_t hash_config);
544 
545 extern void fib_entry_module_init(void);
546 
547 /*
548  * unsafe... beware the raw pointer.
549  */
550 extern fib_node_index_t fib_entry_get_index(const fib_entry_t * fib_entry);
551 extern fib_entry_t * fib_entry_get(fib_node_index_t fib_entry_index);
552 
553 /*
554  * for testing purposes.
555  */
556 extern u32 fib_entry_pool_size(void);
557 
558 #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:793
the source is active/best
Definition: fib_entry.h:264
Recursive resolution source.
Definition: fib_entry.h:117
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:362
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:503
An entry in a FIB table.
Definition: fib_entry.h:385
A representation of a fib path for fib_path_encode to convey the information to the caller...
Definition: fib_types.h:486
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:377
The prefix/address exempted from loose uRPF check To be used with caution.
Definition: fib_entry.h:214
fib_entry_src_flag_t fib_entry_special_remove(fib_node_index_t fib_entry_index, fib_source_t source)
Definition: fib_entry.c:996
Definition: fib_entry.h:281
void fib_entry_cover_updated(fib_node_index_t fib_entry)
Definition: fib_entry.c:1235
fib_source_t fib_entry_get_best_source(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1362
Information related to the source of a FIB entry.
Definition: fib_entry.h:294
Definition: fib_entry.h:244
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:899
From the CLI.
Definition: fib_entry.h:74
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:182
Marker.
Definition: fib_entry.h:268
The prefix/address is local to this device.
Definition: fib_entry.h:204
Attached Export source.
Definition: fib_entry.h:112
fib_source_t_
The different sources that can create a route.
Definition: fib_entry.h:30
Definition: fib_entry.h:246
u32 fe_fib_index
The index of the FIB table this entry is in.
Definition: fib_entry.h:398
uRPF bypass/exemption.
Definition: fib_entry.h:122
mpls_label_t fesm_label
This MPLS local label associated with the prefix.
Definition: fib_entry.h:363
Definition: fib_entry.h:240
fib_entry_src_t * fe_srcs
Vector of source infos.
Definition: fib_entry.h:417
Marker.
Definition: fib_entry.h:218
void fib_entry_set_flow_hash_config(fib_node_index_t fib_entry_index, flow_hash_config_t hash_config)
Definition: fib_entry.c:1404
fib_node_index_t fe_parent
the path-list for which this entry is a child.
Definition: fib_entry.h:422
SIXRD.
Definition: fib_entry.h:86
u32 fib_entry_get_resolving_interface(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1352
IPv[46] Mapping.
Definition: fib_entry.h:82
u32 fesi_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:357
u32 fe_sibling
index of this entry in the parent&#39;s child list.
Definition: fib_entry.h:428
Definition: fib_entry.h:245
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:514
Marker.
Definition: fib_entry.h:133
A high priority source a plugin can use.
Definition: fib_entry.h:62
u32 fib_entry_pool_size(void)
Definition: fib_entry.c:1566
int fib_entry_cmp_for_sort(void *i1, void *i2)
Definition: fib_entry.c:1498
The route is attached cross tables and thus imports covered prefixes from the other table...
Definition: fib_entry.h:200
Aggregrate type for a prefix.
Definition: fib_types.h:172
void fib_entry_get_prefix(fib_node_index_t fib_entry_index, fib_prefix_t *pfx)
Definition: fib_entry.c:1546
fib_entry_flag_t_
Definition: fib_entry.h:237
u32 fesa_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:347
const dpo_id_t * fib_entry_contribute_ip_forwarding(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:459
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:408
Definition: fib_entry.h:238
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:106
The identity of a DPO is a combination of its type and its instance number/index of objects of that t...
Definition: dpo.h:166
Definition: fib_entry.h:243
Definition: fib_entry.h:242
u32 fesr_sibling
This source&#39;s index in the cover&#39;s list.
Definition: fib_entry.h:337
Adjacency source.
Definition: fib_entry.h:100
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:1517
From the BIER subsystem.
Definition: fib_entry.h:66
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:1096
fib_node_index_t fib_entry_get_index(const fib_entry_t *fib_entry)
Definition: fib_entry.c:56
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:1378
fib_node_index_t fesl_fib_index
The source FIB index.
Definition: fib_entry.h:374
A list of path-extensions.
Definition: fib_types.h:503
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:1163
An node in the FIB graph.
Definition: fib_node.h:286
struct fib_entry_t_ fib_entry_t
An entry in a FIB table.
adj_index_t fib_entry_get_adj(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:474
void fib_entry_encode(fib_node_index_t fib_entry_index, fib_route_path_encode_t **api_rpaths)
Definition: fib_entry.c:1533
fib_node_index_t fib_entry_get_path_list(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:493
Attached.
Definition: fib_entry.h:186
int fib_entry_is_sourced(fib_node_index_t fib_entry_index, fib_source_t source)
Definition: fib_entry_src.c:99
Definition: fib_entry.h:279
fib_entry_attribute_t_
The different sources that can create a route.
Definition: fib_entry.h:174
Definition: fib_entry.h:241
u32 fib_node_index_t
A typedef of a node index.
Definition: fib_types.h:29
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:704
Marker.
Definition: fib_entry.h:178
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:1301
fib_entry_flag_t fes_entry_flags
Flags the source contributes to the entry.
Definition: fib_entry.h:323
fib_source_t fes_src
Which source this info block is for.
Definition: fib_entry.h:307
fib_entry_src_flag_t fes_flags
Flags on the source.
Definition: fib_entry.h:311
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:129
Classify.
Definition: fib_entry.h:44
u8 * format_fib_source(u8 *s, va_list *args)
Definition: fib_entry.c:93
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:814
fib_node_t fe_node
Base class.
Definition: fib_entry.h:389
u64 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:1084
enum fib_forward_chain_type_t_ fib_forward_chain_type_t
FIB output chain type.
Definition: fib_entry.h:280
fib_node_index_t fesr_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:333
From the control plane API.
Definition: fib_entry.h:70
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:667
Marker.
Definition: fib_entry.h:256
dpo_id_t fe_lb
The load-balance used for forwarding.
Definition: fib_entry.h:411
fib_entry_delegate_t * fe_delegates
A vector of delegates.
Definition: fib_entry.h:433
fib_node_index_t fes_pl
The path-list created by the source.
Definition: fib_entry.h:303
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 and SR-MPLS.
Definition: fib_entry.h:58
Marker.
Definition: fib_entry.h:34
void fib_entry_module_init(void)
Definition: fib_entry.c:1527
fib_entry_src_attribute_t_
Flags for the source data.
Definition: fib_entry.h:252
unsigned char u8
Definition: types.h:56
DHCP.
Definition: fib_entry.h:90
the source has been added to the entry
Definition: fib_entry.h:260
Definition: fib_entry.h:239
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
enum fib_node_type_t_ fib_node_type_t
The types of nodes in a FIB graph.
LISP.
Definition: fib_entry.h:78
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:836
void fib_entry_lock(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1507
u8 * format_fib_entry(u8 *s, va_list *args)
Definition: fib_entry.c:103
fib_node_index_t fesa_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:343
fib_node_index_t fesi_cover
the index of the FIB entry that is the covering entry
Definition: fib_entry.h:353
u8 fes_ref_count
1 bytes ref count.
Definition: fib_entry.h:318
fib_path_ext_list_t fes_path_exts
A vector of path extensions.
Definition: fib_entry.h:298
The route is an explicit drop.
Definition: fib_entry.h:190
The route is exclusive.
Definition: fib_entry.h:195
A Delagate is a means to implmenet the Delagation design pattern; the extension of an objects functio...
u32 flags
Definition: vhost-user.h:77
fib_entry_flag_t fib_entry_get_flags(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:265
void fib_entry_set_source_data(fib_node_index_t fib_entry_index, fib_source_t source, const void *data)
const fib_prefix_t fe_prefix
The prefix of the route.
Definition: fib_entry.h:394
u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1556
The prefix/address is a multicast prefix.
Definition: fib_entry.h:209
IPv6 Proxy ND.
Definition: fib_entry.h:94
fib_entry_src_flag_t_
Definition: fib_entry.h:278