FD.io VPP  v18.10-34-gcce845e
Vector Packet Processing
fib_types.h
Go to the documentation of this file.
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_TYPES_H__
17 #define __FIB_TYPES_H__
18 
19 #include <stdbool.h>
20 #include <vlib/vlib.h>
21 #include <vnet/ip/ip6_packet.h>
22 #include <vnet/mpls/packet.h>
23 #include <vnet/dpo/dpo.h>
24 #include <vnet/bier/bier_types.h>
25 
26 /**
27  * A typedef of a node index.
28  * we make this typedef so the code becomes easier for a human to parse.
29  */
31 #define FIB_NODE_INDEX_INVALID ((fib_node_index_t)(~0))
32 
33 /**
34  * Protocol Type. packed so it consumes a u8 only
35  */
36 typedef enum fib_protocol_t_ {
40 } __attribute__ ((packed)) fib_protocol_t;
41 
42 #define FIB_PROTOCOLS { \
43  [FIB_PROTOCOL_IP4] = "ipv4", \
44  [FIB_PROTOCOL_IP6] = "ipv6", \
45  [FIB_PROTOCOL_MPLS] = "MPLS", \
46 }
47 
48 /**
49  * Definition outside of enum so it does not need to be included in non-defaulted
50  * switch statements
51  */
52 #define FIB_PROTOCOL_MAX (FIB_PROTOCOL_MPLS + 1)
53 
54 /**
55  * Definition outside of enum so it does not need to be included in non-defaulted
56  * switch statements
57  */
58 #define FIB_PROTOCOL_IP_MAX (FIB_PROTOCOL_IP6 + 1)
59 
60 /**
61  * Not part of the enum so it does not have to be handled in switch statements
62  */
63 #define FIB_PROTOCOL_NONE (FIB_PROTOCOL_MAX+1)
64 
65 #define FOR_EACH_FIB_PROTOCOL(_item) \
66  for (_item = FIB_PROTOCOL_IP4; \
67  _item <= FIB_PROTOCOL_MPLS; \
68  _item++)
69 
70 #define FOR_EACH_FIB_IP_PROTOCOL(_item) \
71  for (_item = FIB_PROTOCOL_IP4; \
72  _item <= FIB_PROTOCOL_IP6; \
73  _item++)
74 
75 /**
76  * @brief Convert from boolean is_ip6 to FIB protocol.
77  * Drop MPLS on the floor in favor of IPv4.
78  */
79 static inline fib_protocol_t
80 fib_ip_proto(bool is_ip6)
81 {
82  return (is_ip6) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4;
83 }
84 
85 /**
86  * @brief Convert from fib_protocol to ip46_type
87  */
88 extern ip46_type_t fib_proto_to_ip46(fib_protocol_t fproto);
89 
90 /**
91  * @brief Convert from ip46_type to fib_protocol
92  */
93 extern fib_protocol_t fib_proto_from_ip46(ip46_type_t iproto);
94 
95 /**
96  * @brief Convert from a protocol to a link type
97  */
98 vnet_link_t fib_proto_to_link (fib_protocol_t proto);
99 
100 /**
101  * FIB output chain type. When a child object requests a forwarding contribution
102  * from a parent, it does so for a particular scenario. This enumererates those
103  * sceanrios
104  */
106  /**
107  * Contribute an object that is to be used to forward IP4 packets
108  */
110  /**
111  * Contribute an object that is to be used to forward IP6 packets
112  */
114  /**
115  * Contribute an object that is to be used to forward non-end-of-stack
116  * MPLS packets
117  */
119  /**
120  * Contribute an object that is to be used to forward BIER packets.
121  */
123  /**
124  * Contribute an object that is to be used to forward end-of-stack
125  * MPLS packets. This is a convenient ID for clients. A real EOS chain
126  * must be pay-load protocol specific. This
127  * option is converted into one of the other three internally.
128  */
130  /**
131  * Contribute an object that is to be used to forward IP4 packets
132  */
134  /**
135  * Contribute an object that is to be used to forward IP6 packets
136  */
138  /**
139  * Contribute an object that is to be used to forward Ethernet packets.
140  */
142  /**
143  * Contribute an object that is to be used to forward NSH packets.
144  * This is last in the list since it is not valid for many FIB objects,
145  * and thus their array of per-chain-type DPOs can be sized smaller.
146  */
148 } __attribute__ ((packed)) fib_forward_chain_type_t;
149 
150 #define FIB_FORW_CHAINS { \
151  [FIB_FORW_CHAIN_TYPE_ETHERNET] = "ethernet", \
152  [FIB_FORW_CHAIN_TYPE_BIER] = "bier", \
153  [FIB_FORW_CHAIN_TYPE_UNICAST_IP4] = "unicast-ip4", \
154  [FIB_FORW_CHAIN_TYPE_UNICAST_IP6] = "unicast-ip6", \
155  [FIB_FORW_CHAIN_TYPE_MCAST_IP4] = "multicast-ip4", \
156  [FIB_FORW_CHAIN_TYPE_MCAST_IP6] = "multicast-ip6", \
157  [FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS] = "mpls-neos", \
158  [FIB_FORW_CHAIN_TYPE_MPLS_EOS] = "mpls-eos", \
159  [FIB_FORW_CHAIN_TYPE_NSH] = "nsh", \
160 }
161 
162 #define FIB_FORW_CHAIN_NUM (FIB_FORW_CHAIN_TYPE_NSH+1)
163 #define FIB_FORW_CHAIN_MPLS_NUM (FIB_FORW_CHAIN_TYPE_MPLS_EOS+1)
164 
165 #define FOR_EACH_FIB_FORW_CHAIN(_item) \
166  for (_item = FIB_FORW_CHAIN_TYPE_UNICAST_IP4; \
167  _item <= FIB_FORW_CHAIN_TYPE_NSH; \
168  _item++)
169 
170 #define FOR_EACH_FIB_FORW_MPLS_CHAIN(_item) \
171  for (_item = FIB_FORW_CHAIN_TYPE_UNICAST_IP4; \
172  _item <= FIB_FORW_CHAIN_TYPE_MPLS_EOS; \
173  _item++)
174 
175 /**
176  * @brief Convert from a chain type to the adjacency's link type
177  */
178 extern vnet_link_t fib_forw_chain_type_to_link_type(fib_forward_chain_type_t fct);
179 
180 /**
181  * @brief Convert from a adjacency's link type to chain type
182  */
183 extern fib_forward_chain_type_t fib_forw_chain_type_from_link_type(vnet_link_t lt);
184 
185 /**
186  * @brief Convert from a payload-protocol to a chain type.
187  */
188 extern fib_forward_chain_type_t fib_forw_chain_type_from_dpo_proto(dpo_proto_t proto);
189 
190 /**
191  * @brief Convert from a fib-protocol to a chain type.
192  */
193 extern fib_forward_chain_type_t fib_forw_chain_type_from_fib_proto(fib_protocol_t proto);
194 
195 /**
196  * @brief Convert from a chain type to the DPO proto it will install
197  */
198 extern dpo_proto_t fib_forw_chain_type_to_dpo_proto(fib_forward_chain_type_t fct);
199 
200 /**
201  * Aggregrate type for a prefix
202  */
203 typedef struct fib_prefix_t_ {
204  /**
205  * The mask length
206  */
208 
209  /**
210  * protocol type
211  */
212  fib_protocol_t fp_proto;
213 
214  /**
215  * Pad to keep the address 4 byte aligned
216  */
217  u8 ___fp___pad;
218 
219  union {
220  /**
221  * The address type is not deriveable from the fp_addr member.
222  * If it's v4, then the first 3 u32s of the address will be 0.
223  * v6 addresses (even v4 mapped ones) have at least 2 u32s assigned
224  * to non-zero values. true. but when it's all zero, one cannot decide.
225  */
226  ip46_address_t fp_addr;
227 
228  struct {
231  /**
232  * This protocol determines the payload protocol of packets
233  * that will be forwarded by this entry once the label is popped.
234  * For a non-eos entry it will be MPLS.
235  */
237  };
238  };
239 } fib_prefix_t;
240 
242  "FIB Prefix's address is 4 byte aligned.");
243 
244 /**
245  * \brief Compare two prefixes for equality
246  */
247 extern int fib_prefix_cmp(const fib_prefix_t *p1,
248  const fib_prefix_t *p2);
249 
250 /**
251  * \brief Compare two prefixes for covering relationship
252  *
253  * \return non-zero if the first prefix is a cover for the second
254  */
255 extern int fib_prefix_is_cover(const fib_prefix_t *p1,
256  const fib_prefix_t *p2);
257 
258 /**
259  * \brief Return true is the prefix is a host prefix
260  */
261 extern int fib_prefix_is_host(const fib_prefix_t *p);
262 
263 
264 /**
265  * \brief Host prefix from ip
266  */
267 extern void fib_prefix_from_ip46_addr (const ip46_address_t *addr,
268  fib_prefix_t *pfx);
269 
270 extern u8 * format_fib_prefix(u8 * s, va_list * args);
271 extern u8 * format_fib_forw_chain_type(u8 * s, va_list * args);
272 
273 extern dpo_proto_t fib_proto_to_dpo(fib_protocol_t fib_proto);
274 extern fib_protocol_t dpo_proto_to_fib(dpo_proto_t dpo_proto);
275 
276 /**
277  * Convert from BIER next-hop proto to FIB proto
278  */
279 extern fib_protocol_t bier_hdr_proto_to_fib(bier_hdr_proto_id_t bproto);
280 
281 /**
282  * Enurmeration of special path/entry types
283  */
284 typedef enum fib_special_type_t_ {
285  /**
286  * Marker. Add new types after this one.
287  */
289  /**
290  * Local/for-us paths
291  */
293  /**
294  * drop paths
295  */
297  /**
298  * Marker. Add new types before this one, then update it.
299  */
301 } __attribute__ ((packed)) fib_special_type_t;
302 
303 /**
304  * The maximum number of types
305  */
306 #define FIB_SPEICAL_TYPE_MAX (FIB_SPEICAL_TYPE_LAST + 1)
307 
308 #define FOR_EACH_FIB_SPEICAL_TYPE(_item) \
309  for (_item = FIB_TYPE_SPEICAL_FIRST; \
310  _item <= FIB_SPEICAL_TYPE_LAST; _item++)
311 
312 extern u8 * format_fib_protocol(u8 * s, va_list *ap);
313 extern u8 * format_vnet_link(u8 *s, va_list *ap);
314 
315 /**
316  * Path flags from the control plane
317  */
319 {
321  /**
322  * Recursion constraint of via a host prefix
323  */
325  /**
326  * Recursion constraint of via an attahced prefix
327  */
329  /**
330  * A for-us/local path
331  */
333  /**
334  * Attached path
335  */
337  /**
338  * A Drop path - resolve the path on the drop DPO
339  */
341  /**
342  * Don't resolve the path, use the DPO the client provides
343  */
345  /**
346  * A path that result in received traffic being recieved/recirculated
347  * so that it appears to have arrived on the new interface
348  */
350  /**
351  * A local path with a RPF-ID => multicast traffic
352  */
354  /**
355  * A deag path using the packet's source not destination address.
356  */
358  /**
359  * A path via a UDP encap object.
360  */
362  /**
363  * A path that resolves via a BIER F-Mask
364  */
366  /**
367  * A path that resolves via a BIER [ECMP] Table
368  */
370  /**
371  * A path that resolves via a BIER impostion object
372  */
374  /**
375  * A path that resolves via another table
376  */
377  FIB_ROUTE_PATH_DEAG = (1 << 13),
378  /**
379  * A path that resolves via a DVR DPO
380  */
381  FIB_ROUTE_PATH_DVR = (1 << 14),
383 
384 /**
385  * An RPF-ID is numerical value that is used RPF validate. An entry
386  * has-a RPF-ID, when a packet egress from (e.g. an LSP) it gains an
387  * RPF-ID, these two are compared for the RPF check.
388  * This replaces the interfce based chack (since the LSP has no associated
389  * interface.
390  */
392 
393 #define MFIB_RPF_ID_NONE (0)
394 
395 /**
396  * MPLS LSP mode - only valid at the head and tail
397  */
399 {
400  /**
401  * Pipe Mode - the default.
402  * TTL and DSCP markings are not carried between the layers
403  */
405  /**
406  * Uniform mode.
407  * TTL and DSCP are copied between the layers
408  */
410 } __attribute__((packed)) fib_mpls_lsp_mode_t;
411 
412 #define FIB_MPLS_LSP_MODES { \
413  [FIB_MPLS_LSP_MODE_PIPE] = "pipe", \
414  [FIB_MPLS_LSP_MODE_UNIFORM] = "uniform", \
415 }
416 
417 /**
418  * Format an LSP mode type
419  */
420 extern u8 * format_fib_mpls_lsp_mode(u8 *s, va_list *ap);
421 
422 /**
423  * Configuration for each label value in the output-stack
424  */
425 typedef struct fib_mpls_label_t_
426 {
427  /**
428  * The label value
429  */
431 
432  /**
433  * The LSP mode
434  */
435  fib_mpls_lsp_mode_t fml_mode;
436 
437  /**
438  * TTL. valid only at imposition.
439  */
441 
442  /**
443  * EXP bits; valid only at imposition.
444  */
447 
448 /**
449  * Format an MPLS label
450  */
451 extern u8 * format_fib_mpls_label(u8 *s, va_list *ap);
452 
453 /**
454  * @brief
455  * A representation of a path as described by a route producer.
456  * These paramenters will determine the path 'type', of which there are:
457  * 1) Attached-next-hop:
458  * a single peer on a link.
459  * It is 'attached' because it is in the same sub-net as the router, on a link
460  * directly connected to the route.
461  * It is 'next=hop' since the next-hop address of the peer is known.
462  * 2) Attached:
463  * the next-hop is not known. but we can ARP for it.
464  * 3) Recursive.
465  * The next-hop is known but the interface is not. So to find the adj to use
466  * we must recursively resolve the next-hop.
467  * 3) deaggregate (deag)
468  * A further lookup is required.
469  */
470 typedef struct fib_route_path_t_ {
471  /**
472  * The protocol of the address below. We need this since the all
473  * zeros address is ambiguous.
474  */
476 
477  union {
478  struct {
479  union {
480  /**
481  * The next-hop address.
482  * Will be NULL for attached paths.
483  * Will be all zeros for attached-next-hop paths on a p2p interface
484  * Will be all zeros for a deag path.
485  */
486  ip46_address_t frp_addr;
487 
488  struct {
489  /**
490  * The MPLS local Label to reursively resolve through.
491  * This is valid when the path type is MPLS.
492  */
494  /**
495  * EOS bit for the resolving label
496  */
498  };
499  };
500  union {
501  /**
502  * The interface.
503  * Will be invalid for recursive paths.
504  */
506  /**
507  * The RPF-ID
508  */
509  fib_rpf_id_t frp_rpf_id;
510  };
511  union {
512  /**
513  * The FIB index to lookup the nexthop
514  * Only valid for recursive paths.
515  */
517  /**
518  * The BIER table to resolve the fmask in
519  */
521  };
522  /**
523  * The outgoing MPLS label Stack. NULL implies no label.
524  */
526 
527  /**
528  * Exclusive DPO
529  */
531  };
532  /**
533  * A path that resolves via a BIER Table.
534  * This would be for a MPLS label at a BIER midpoint or tail
535  */
537 
538  /**
539  * A path via a BIER imposition object.
540  * Present in an mfib path list
541  */
543 
544  /**
545  * UDP encap ID
546  */
548 
549  /**
550  * Resolving via a BIER Fmask
551  */
553  };
554  /**
555  * [un]equal cost path weight
556  */
558  /**
559  * A path preference. 0 is the best.
560  * Only paths of the best preference, that are 'up', are considered
561  * for forwarding.
562  */
564  /**
565  * flags on the path
566  */
569 
570 /**
571  * Unformat a fib_route_path_t from CLI input
572  */
573 extern uword unformat_fib_route_path(unformat_input_t * input, va_list * args);
574 
575 /**
576  * A help string to list the FIB path options
577  */
578 #define FIB_ROUTE_PATH_HELP "[next-hop-address] [next-hop-interface] [next-hop-table <value>] [weight <value>] [preference <value>] [udp-encap-id <value>] [ip4-lookup-in-table <value>] [ip6-lookup-in-table <value>] [mpls-lookup-in-table <value>] [resolve-via-host] [resolve-via-connected] [rx-ip4 <interface>] [out-labels <value value value>]"
579 
580 /**
581  * @brief
582  * A representation of a fib path for fib_path_encode to convey the information to the caller
583  */
584 typedef struct fib_route_path_encode_t_ {
588 
589 /**
590  * return code to control pat-hlist walk
591  */
593 {
597 
598 /**
599  * A list of path-extensions
600  */
601 typedef struct fib_path_ext_list_t_
602 {
605 
606 #endif
fib_protocol_t fp_proto
protocol type
Definition: fib_types.h:212
Contribute an object that is to be used to forward BIER packets.
Definition: fib_types.h:122
Contribute an object that is to be used to forward IP6 packets.
Definition: fib_types.h:137
ip46_address_t frp_addr
The next-hop address.
Definition: fib_types.h:486
A path that resolves via a DVR DPO.
Definition: fib_types.h:381
Contribute an object that is to be used to forward IP6 packets.
Definition: fib_types.h:113
Pipe Mode - the default.
Definition: fib_types.h:404
A representation of a fib path for fib_path_encode to convey the information to the caller...
Definition: fib_types.h:584
mpls_eos_bit_t frp_eos
EOS bit for the resolving label.
Definition: fib_types.h:497
A representation of a path as described by a route producer.
Definition: fib_types.h:470
A Drop path - resolve the path on the drop DPO.
Definition: fib_types.h:340
fib_forward_chain_type_t fib_forw_chain_type_from_fib_proto(fib_protocol_t proto)
Convert from a fib-protocol to a chain type.
Definition: fib_types.c:343
dpo_proto_t fib_forw_chain_type_to_dpo_proto(fib_forward_chain_type_t fct)
Convert from a chain type to the DPO proto it will install.
Definition: fib_types.c:410
Local/for-us paths.
Definition: fib_types.h:292
u8 * format_vnet_link(u8 *s, va_list *ap)
Definition: fib_types.c:40
A path that resolves via a BIER impostion object.
Definition: fib_types.h:373
index_t frp_bier_imp
A path via a BIER imposition object.
Definition: fib_types.h:542
vnet_link_t fib_forw_chain_type_to_link_type(fib_forward_chain_type_t fct)
Convert from a chain type to the adjacency&#39;s link type.
Definition: fib_types.c:359
u32 mpls_label_t
A label value only, i.e.
Definition: packet.h:24
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
u8 * format_fib_mpls_lsp_mode(u8 *s, va_list *ap)
Format an LSP mode type.
Definition: fib_types.c:56
A path that resolves via a BIER [ECMP] Table.
Definition: fib_types.h:369
struct fib_path_ext_t_ * fpel_exts
Definition: fib_types.h:603
Contribute an object that is to be used to forward IP4 packets.
Definition: fib_types.h:109
#define STRUCT_OFFSET_OF(t, f)
Definition: clib.h:64
fib_forward_chain_type_t fib_forw_chain_type_from_link_type(vnet_link_t lt)
Convert from a adjacency&#39;s link type to chain type.
Definition: fib_types.c:387
dpo_proto_t frp_proto
The protocol of the address below.
Definition: fib_types.h:475
bier_table_id_t frp_bier_tbl
A path that resolves via a BIER Table.
Definition: fib_types.h:536
A path that result in received traffic being recieved/recirculated so that it appears to have arrived...
Definition: fib_types.h:349
The ID of a table.
Definition: bier_types.h:394
vhost_vring_addr_t addr
Definition: vhost_user.h:121
unsigned char u8
Definition: types.h:56
fib_rpf_id_t frp_rpf_id
The RPF-ID.
Definition: fib_types.h:509
A local path with a RPF-ID => multicast traffic.
Definition: fib_types.h:353
dpo_proto_t fp_payload_proto
This protocol determines the payload protocol of packets that will be forwarded by this entry once th...
Definition: fib_types.h:236
fib_mpls_lsp_mode_t_
MPLS LSP mode - only valid at the head and tail.
Definition: fib_types.h:398
u32 frp_sw_if_index
The interface.
Definition: fib_types.h:505
fib_special_type_t_
Enurmeration of special path/entry types.
Definition: fib_types.h:284
Recursion constraint of via a host prefix.
Definition: fib_types.h:324
Aggregrate type for a prefix.
Definition: fib_types.h:203
A path via a UDP encap object.
Definition: fib_types.h:361
enum fib_route_path_flags_t_ fib_route_path_flags_t
Path flags from the control plane.
unsigned int u32
Definition: types.h:88
Contribute an object that is to be used to forward Ethernet packets.
Definition: fib_types.h:141
enum dpo_proto_t_ dpo_proto_t
Data path protocol.
u16 fp_len
The mask length.
Definition: fib_types.h:207
STATIC_ASSERT(STRUCT_OFFSET_OF(fib_prefix_t, fp_addr)==4,"FIB Prefix's address is 4 byte aligned.")
index_t frp_bier_fmask
Resolving via a BIER Fmask.
Definition: fib_types.h:552
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
Contribute an object that is to be used to forward end-of-stack MPLS packets.
Definition: fib_types.h:129
fib_protocol_t_
Protocol Type.
Definition: fib_types.h:36
ip46_address_t fp_addr
The address type is not deriveable from the fp_addr member.
Definition: fib_types.h:226
struct _unformat_input_t unformat_input_t
unsigned short u16
Definition: types.h:57
u8 * format_fib_prefix(u8 *s, va_list *args)
Definition: fib_types.c:177
int fib_prefix_is_cover(const fib_prefix_t *p1, const fib_prefix_t *p2)
Compare two prefixes for covering relationship.
Definition: fib_types.c:140
Configuration for each label value in the output-stack.
Definition: fib_types.h:425
fib_mpls_label_t * frp_label_stack
The outgoing MPLS label Stack.
Definition: fib_types.h:525
Recursion constraint of via an attahced prefix.
Definition: fib_types.h:328
struct fib_route_path_t_ fib_route_path_t
A representation of a path as described by a route producer.
A list of path-extensions.
Definition: fib_types.h:601
fib_protocol_t dpo_proto_to_fib(dpo_proto_t dpo_proto)
Definition: fib_types.c:253
fib_path_list_walk_rc_t_
return code to control pat-hlist walk
Definition: fib_types.h:592
dpo_id_t dpo
Exclusive DPO.
Definition: fib_types.h:530
fib_mpls_lsp_mode_t fml_mode
The LSP mode.
Definition: fib_types.h:435
uword unformat_fib_route_path(unformat_input_t *input, va_list *args)
Unformat a fib_route_path_t from CLI input.
Definition: fib_types.c:434
struct fib_path_ext_list_t_ fib_path_ext_list_t
A list of path-extensions.
fib_forward_chain_type_t fib_forw_chain_type_from_dpo_proto(dpo_proto_t proto)
Convert from a payload-protocol to a chain type.
Definition: fib_types.c:321
struct fib_route_path_encode_t_ fib_route_path_encode_t
A representation of a fib path for fib_path_encode to convey the information to the caller...
struct fib_prefix_t_ fib_prefix_t
Aggregrate type for a prefix.
Contribute an object that is to be used to forward NSH packets.
Definition: fib_types.h:147
u32 fib_node_index_t
A typedef of a node index.
Definition: fib_types.h:30
Don&#39;t resolve the path, use the DPO the client provides.
Definition: fib_types.h:344
mpls_label_t fml_value
The label value.
Definition: fib_types.h:430
enum bier_hdr_proto_id_t_ bier_hdr_proto_id_t
BIER header protocol payload types.
u8 * format_fib_mpls_label(u8 *s, va_list *ap)
Format an MPLS label.
Definition: fib_types.c:64
mpls_label_t fp_label
Definition: fib_types.h:229
u32 fib_rpf_id_t
An RPF-ID is numerical value that is used RPF validate.
Definition: fib_types.h:391
u8 * format_fib_protocol(u8 *s, va_list *ap)
Definition: fib_types.c:32
struct fib_mpls_label_t_ fib_mpls_label_t
Configuration for each label value in the output-stack.
vnet_link_t fib_proto_to_link(fib_protocol_t proto)
Convert from a protocol to a link type.
Definition: fib_types.c:271
enum vnet_link_t_ vnet_link_t
Link Type: A description of the protocol of packets on the link.
ip46_type_t
Definition: ip6_packet.h:70
u8 frp_preference
A path preference.
Definition: fib_types.h:563
A deag path using the packet&#39;s source not destination address.
Definition: fib_types.h:357
fib_route_path_flags_t frp_flags
flags on the path
Definition: fib_types.h:567
A path that resolves via a BIER F-Mask.
Definition: fib_types.h:365
int fib_prefix_cmp(const fib_prefix_t *p1, const fib_prefix_t *p2)
Compare two prefixes for equality.
Definition: fib_types.c:105
A path that resolves via another table.
Definition: fib_types.h:377
void fib_prefix_from_ip46_addr(const ip46_address_t *addr, fib_prefix_t *pfx)
Host prefix from ip.
Definition: fib_types.c:80
u8 * format_fib_forw_chain_type(u8 *s, va_list *args)
Definition: fib_types.c:48
mpls_label_t frp_local_label
The MPLS local Label to reursively resolve through.
Definition: fib_types.h:493
dpo_proto_t fib_proto_to_dpo(fib_protocol_t fib_proto)
Definition: fib_types.c:237
enum fib_path_list_walk_rc_t_ fib_path_list_walk_rc_t
return code to control pat-hlist walk
A for-us/local path.
Definition: fib_types.h:332
fib_protocol_t fib_proto_from_ip46(ip46_type_t iproto)
Convert from ip46_type to fib_protocol.
Definition: fib_types.c:303
static fib_protocol_t fib_ip_proto(bool is_ip6)
Convert from boolean is_ip6 to FIB protocol.
Definition: fib_types.h:80
u64 uword
Definition: types.h:112
u32 frp_bier_fib_index
The BIER table to resolve the fmask in.
Definition: fib_types.h:520
fib_protocol_t bier_hdr_proto_to_fib(bier_hdr_proto_id_t bproto)
Convert from BIER next-hop proto to FIB proto.
A path extension is a per-entry addition to the forwarding information when packets are sent for that...
Definition: fib_path_ext.h:98
fib_route_path_t rpath
Definition: fib_types.h:585
u8 fml_exp
EXP bits; valid only at imposition.
Definition: fib_types.h:445
int fib_prefix_is_host(const fib_prefix_t *p)
Return true is the prefix is a host prefix.
Definition: fib_types.c:162
Contribute an object that is to be used to forward non-end-of-stack MPLS packets. ...
Definition: fib_types.h:118
Attached path.
Definition: fib_types.h:336
fib_route_path_flags_t_
Path flags from the control plane.
Definition: fib_types.h:318
u8 frp_weight
[un]equal cost path weight
Definition: fib_types.h:557
u32 frp_udp_encap_id
UDP encap ID.
Definition: fib_types.h:547
Contribute an object that is to be used to forward IP4 packets.
Definition: fib_types.h:133
u32 frp_fib_index
The FIB index to lookup the nexthop Only valid for recursive paths.
Definition: fib_types.h:516
ip46_type_t fib_proto_to_ip46(fib_protocol_t fproto)
Convert from fib_protocol to ip46_type.
Definition: fib_types.c:287
fib_forward_chain_type_t_
FIB output chain type.
Definition: fib_types.h:105
mpls_eos_bit_t fp_eos
Definition: fib_types.h:230
enum mpls_eos_bit_t_ mpls_eos_bit_t