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Vector Packet Processing
fib_types.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_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 a protocol to a link type
87  */
88 vnet_link_t fib_proto_to_link (fib_protocol_t proto);
89 
90 /**
91  * FIB output chain type. When a child object requests a forwarding contribution
92  * from a parent, it does so for a particular scenario. This enumererates those
93  * sceanrios
94  */
96  /**
97  * Contribute an object that is to be used to forward IP4 packets
98  */
100  /**
101  * Contribute an object that is to be used to forward IP6 packets
102  */
104  /**
105  * Contribute an object that is to be used to forward non-end-of-stack
106  * MPLS packets
107  */
109  /**
110  * Contribute an object that is to be used to forward BIER packets.
111  */
113  /**
114  * Contribute an object that is to be used to forward end-of-stack
115  * MPLS packets. This is a convenient ID for clients. A real EOS chain
116  * must be pay-load protocol specific. This
117  * option is converted into one of the other three internally.
118  */
120  /**
121  * Contribute an object that is to be used to forward IP4 packets
122  */
124  /**
125  * Contribute an object that is to be used to forward IP6 packets
126  */
128  /**
129  * Contribute an object that is to be used to forward Ethernet packets.
130  */
132  /**
133  * Contribute an object that is to be used to forward NSH packets.
134  * This is last in the list since it is not valid for many FIB objects,
135  * and thus their array of per-chain-type DPOs can be sized smaller.
136  */
138 } __attribute__ ((packed)) fib_forward_chain_type_t;
139 
140 #define FIB_FORW_CHAINS { \
141  [FIB_FORW_CHAIN_TYPE_ETHERNET] = "ethernet", \
142  [FIB_FORW_CHAIN_TYPE_BIER] = "bier", \
143  [FIB_FORW_CHAIN_TYPE_UNICAST_IP4] = "unicast-ip4", \
144  [FIB_FORW_CHAIN_TYPE_UNICAST_IP6] = "unicast-ip6", \
145  [FIB_FORW_CHAIN_TYPE_MCAST_IP4] = "multicast-ip4", \
146  [FIB_FORW_CHAIN_TYPE_MCAST_IP6] = "multicast-ip6", \
147  [FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS] = "mpls-neos", \
148  [FIB_FORW_CHAIN_TYPE_MPLS_EOS] = "mpls-eos", \
149  [FIB_FORW_CHAIN_TYPE_NSH] = "nsh", \
150 }
151 
152 #define FIB_FORW_CHAIN_NUM (FIB_FORW_CHAIN_TYPE_NSH+1)
153 #define FIB_FORW_CHAIN_MPLS_NUM (FIB_FORW_CHAIN_TYPE_MPLS_EOS+1)
154 
155 #define FOR_EACH_FIB_FORW_CHAIN(_item) \
156  for (_item = FIB_FORW_CHAIN_TYPE_UNICAST_IP4; \
157  _item <= FIB_FORW_CHAIN_TYPE_NSH; \
158  _item++)
159 
160 #define FOR_EACH_FIB_FORW_MPLS_CHAIN(_item) \
161  for (_item = FIB_FORW_CHAIN_TYPE_UNICAST_IP4; \
162  _item <= FIB_FORW_CHAIN_TYPE_MPLS_EOS; \
163  _item++)
164 
165 /**
166  * @brief Convert from a chain type to the adjacency's link type
167  */
168 extern vnet_link_t fib_forw_chain_type_to_link_type(fib_forward_chain_type_t fct);
169 
170 /**
171  * @brief Convert from a adjacency's link type to chain type
172  */
173 extern fib_forward_chain_type_t fib_forw_chain_type_from_link_type(vnet_link_t lt);
174 
175 /**
176  * @brief Convert from a payload-protocol to a chain type.
177  */
178 extern fib_forward_chain_type_t fib_forw_chain_type_from_dpo_proto(dpo_proto_t proto);
179 
180 /**
181  * @brief Convert from a chain type to the DPO proto it will install
182  */
183 extern dpo_proto_t fib_forw_chain_type_to_dpo_proto(fib_forward_chain_type_t fct);
184 
185 /**
186  * Aggregrate type for a prefix
187  */
188 typedef struct fib_prefix_t_ {
189  /**
190  * The mask length
191  */
193 
194  /**
195  * protocol type
196  */
197  fib_protocol_t fp_proto;
198 
199  /**
200  * Pad to keep the address 4 byte aligned
201  */
202  u8 ___fp___pad;
203 
204  union {
205  /**
206  * The address type is not deriveable from the fp_addr member.
207  * If it's v4, then the first 3 u32s of the address will be 0.
208  * v6 addresses (even v4 mapped ones) have at least 2 u32s assigned
209  * to non-zero values. true. but when it's all zero, one cannot decide.
210  */
211  ip46_address_t fp_addr;
212 
213  struct {
216  /**
217  * This protocol determines the payload protocol of packets
218  * that will be forwarded by this entry once the label is popped.
219  * For a non-eos entry it will be MPLS.
220  */
222  };
223  };
224 } fib_prefix_t;
225 
227  "FIB Prefix's address is 4 byte aligned.");
228 
229 /**
230  * \brief Compare two prefixes for equality
231  */
232 extern int fib_prefix_cmp(const fib_prefix_t *p1,
233  const fib_prefix_t *p2);
234 
235 /**
236  * \brief Compare two prefixes for covering relationship
237  *
238  * \return non-zero if the first prefix is a cover for the second
239  */
240 extern int fib_prefix_is_cover(const fib_prefix_t *p1,
241  const fib_prefix_t *p2);
242 
243 /**
244  * \brief Return true is the prefix is a host prefix
245  */
246 extern int fib_prefix_is_host(const fib_prefix_t *p);
247 
248 
249 /**
250  * \brief Host prefix from ip
251  */
252 extern void fib_prefix_from_ip46_addr (const ip46_address_t *addr,
253  fib_prefix_t *pfx);
254 
255 extern u8 * format_fib_prefix(u8 * s, va_list * args);
256 extern u8 * format_fib_forw_chain_type(u8 * s, va_list * args);
257 
258 extern dpo_proto_t fib_proto_to_dpo(fib_protocol_t fib_proto);
259 extern fib_protocol_t dpo_proto_to_fib(dpo_proto_t dpo_proto);
260 
261 /**
262  * Convert from BIER next-hop proto to FIB proto
263  */
264 extern fib_protocol_t bier_hdr_proto_to_fib(bier_hdr_proto_id_t bproto);
265 
266 /**
267  * Enurmeration of special path/entry types
268  */
269 typedef enum fib_special_type_t_ {
270  /**
271  * Marker. Add new types after this one.
272  */
274  /**
275  * Local/for-us paths
276  */
278  /**
279  * drop paths
280  */
282  /**
283  * Marker. Add new types before this one, then update it.
284  */
286 } __attribute__ ((packed)) fib_special_type_t;
287 
288 /**
289  * The maximum number of types
290  */
291 #define FIB_SPEICAL_TYPE_MAX (FIB_SPEICAL_TYPE_LAST + 1)
292 
293 #define FOR_EACH_FIB_SPEICAL_TYPE(_item) \
294  for (_item = FIB_TYPE_SPEICAL_FIRST; \
295  _item <= FIB_SPEICAL_TYPE_LAST; _item++)
296 
297 extern u8 * format_fib_protocol(u8 * s, va_list *ap);
298 extern u8 * format_vnet_link(u8 *s, va_list *ap);
299 
300 /**
301  * Path flags from the control plane
302  */
304 {
306  /**
307  * Recursion constraint of via a host prefix
308  */
310  /**
311  * Recursion constraint of via an attahced prefix
312  */
314  /**
315  * A for-us/local path
316  */
318  /**
319  * Attached path
320  */
322  /**
323  * A Drop path - resolve the path on the drop DPO
324  */
326  /**
327  * Don't resolve the path, use the DPO the client provides
328  */
330  /**
331  * A path that result in received traffic being recieved/recirculated
332  * so that it appears to have arrived on the new interface
333  */
335  /**
336  * A local path with a RPF-ID => multicast traffic
337  */
339  /**
340  * A deag path using the packet's source not destination address.
341  */
343  /**
344  * A path via a UDP encap object.
345  */
347  /**
348  * A path that resolves via a BIER F-Mask
349  */
351  /**
352  * A path that resolves via a BIER [ECMP] Table
353  */
355  /**
356  * A path that resolves via a BIER impostion object
357  */
359  /**
360  * A path that resolves via another table
361  */
362  FIB_ROUTE_PATH_DEAG = (1 << 13),
363  /**
364  * A path that resolves via a DVR DPO
365  */
366  FIB_ROUTE_PATH_DVR = (1 << 14),
368 
369 /**
370  * An RPF-ID is numerical value that is used RPF validate. An entry
371  * has-a RPF-ID, when a packet egress from (e.g. an LSP) it gains an
372  * RPF-ID, these two are compared for the RPF check.
373  * This replaces the interfce based chack (since the LSP has no associated
374  * interface.
375  */
377 
378 #define MFIB_RPF_ID_NONE (0)
379 
380 /**
381  * MPLS LSP mode - only valid at the head and tail
382  */
384 {
385  /**
386  * Pipe Mode - the default.
387  * TTL and DSCP markings are not carried between the layers
388  */
390  /**
391  * Uniform mode.
392  * TTL and DSCP are copied between the layers
393  */
395 } __attribute__((packed)) fib_mpls_lsp_mode_t;
396 
397 #define FIB_MPLS_LSP_MODES { \
398  [FIB_MPLS_LSP_MODE_PIPE] = "pipe", \
399  [FIB_MPLS_LSP_MODE_UNIFORM] = "uniform", \
400 }
401 
402 /**
403  * Format an LSP mode type
404  */
405 extern u8 * format_fib_mpls_lsp_mode(u8 *s, va_list *ap);
406 
407 /**
408  * Configuration for each label value in the output-stack
409  */
410 typedef struct fib_mpls_label_t_
411 {
412  /**
413  * The label value
414  */
416 
417  /**
418  * The LSP mode
419  */
420  fib_mpls_lsp_mode_t fml_mode;
421 
422  /**
423  * TTL. valid only at imposition.
424  */
426 
427  /**
428  * EXP bits; valid only at imposition.
429  */
432 
433 /**
434  * Format an MPLS label
435  */
436 extern u8 * format_fib_mpls_label(u8 *s, va_list *ap);
437 
438 /**
439  * @brief
440  * A representation of a path as described by a route producer.
441  * These paramenters will determine the path 'type', of which there are:
442  * 1) Attached-next-hop:
443  * a single peer on a link.
444  * It is 'attached' because it is in the same sub-net as the router, on a link
445  * directly connected to the route.
446  * It is 'next=hop' since the next-hop address of the peer is known.
447  * 2) Attached:
448  * the next-hop is not known. but we can ARP for it.
449  * 3) Recursive.
450  * The next-hop is known but the interface is not. So to find the adj to use
451  * we must recursively resolve the next-hop.
452  * 3) deaggregate (deag)
453  * A further lookup is required.
454  */
455 typedef struct fib_route_path_t_ {
456  /**
457  * The protocol of the address below. We need this since the all
458  * zeros address is ambiguous.
459  */
461 
462  union {
463  struct {
464  union {
465  /**
466  * The next-hop address.
467  * Will be NULL for attached paths.
468  * Will be all zeros for attached-next-hop paths on a p2p interface
469  * Will be all zeros for a deag path.
470  */
471  ip46_address_t frp_addr;
472 
473  struct {
474  /**
475  * The MPLS local Label to reursively resolve through.
476  * This is valid when the path type is MPLS.
477  */
479  /**
480  * EOS bit for the resolving label
481  */
483  };
484  };
485  union {
486  /**
487  * The interface.
488  * Will be invalid for recursive paths.
489  */
491  /**
492  * The RPF-ID
493  */
494  fib_rpf_id_t frp_rpf_id;
495  };
496  union {
497  /**
498  * The FIB index to lookup the nexthop
499  * Only valid for recursive paths.
500  */
502  /**
503  * The BIER table to resolve the fmask in
504  */
506  };
507  /**
508  * The outgoing MPLS label Stack. NULL implies no label.
509  */
511  };
512  /**
513  * A path that resolves via a BIER Table.
514  * This would be for a MPLS label at a BIER midpoint or tail
515  */
517 
518  /**
519  * A path via a BIER imposition object.
520  * Present in an mfib path list
521  */
523 
524  /**
525  * UDP encap ID
526  */
528 
529  /**
530  * Resolving via a BIER Fmask
531  */
533  };
534  /**
535  * [un]equal cost path weight
536  */
538  /**
539  * A path preference. 0 is the best.
540  * Only paths of the best preference, that are 'up', are considered
541  * for forwarding.
542  */
544  /**
545  * flags on the path
546  */
549 
550 /**
551  * Unformat a fib_route_path_t from CLI input
552  */
553 extern uword unformat_fib_route_path(unformat_input_t * input, va_list * args);
554 
555 /**
556  * A help string to list the FIB path options
557  */
558 #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>]"
559 
560 /**
561  * @brief
562  * A representation of a fib path for fib_path_encode to convey the information to the caller
563  */
564 typedef struct fib_route_path_encode_t_ {
568 
569 /**
570  * return code to control pat-hlist walk
571  */
573 {
577 
578 /**
579  * A list of path-extensions
580  */
581 typedef struct fib_path_ext_list_t_
582 {
585 
586 #endif
fib_protocol_t fp_proto
protocol type
Definition: fib_types.h:197
Contribute an object that is to be used to forward BIER packets.
Definition: fib_types.h:112
Contribute an object that is to be used to forward IP6 packets.
Definition: fib_types.h:127
ip46_address_t frp_addr
The next-hop address.
Definition: fib_types.h:471
A path that resolves via a DVR DPO.
Definition: fib_types.h:366
Contribute an object that is to be used to forward IP6 packets.
Definition: fib_types.h:103
Pipe Mode - the default.
Definition: fib_types.h:389
A representation of a fib path for fib_path_encode to convey the information to the caller...
Definition: fib_types.h:564
mpls_eos_bit_t frp_eos
EOS bit for the resolving label.
Definition: fib_types.h:482
A representation of a path as described by a route producer.
Definition: fib_types.h:455
A Drop path - resolve the path on the drop DPO.
Definition: fib_types.h:325
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:359
Local/for-us paths.
Definition: fib_types.h:277
u8 * format_vnet_link(u8 *s, va_list *ap)
Definition: fib_types.c:39
A path that resolves via a BIER impostion object.
Definition: fib_types.h:358
index_t frp_bier_imp
A path via a BIER imposition object.
Definition: fib_types.h:522
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:308
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:55
A path that resolves via a BIER [ECMP] Table.
Definition: fib_types.h:354
struct fib_path_ext_t_ * fpel_exts
Definition: fib_types.h:583
Contribute an object that is to be used to forward IP4 packets.
Definition: fib_types.h:99
#define STRUCT_OFFSET_OF(t, f)
Definition: clib.h:62
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:336
dpo_proto_t frp_proto
The protocol of the address below.
Definition: fib_types.h:460
bier_table_id_t frp_bier_tbl
A path that resolves via a BIER Table.
Definition: fib_types.h:516
A path that result in received traffic being recieved/recirculated so that it appears to have arrived...
Definition: fib_types.h:334
The ID of a table.
Definition: bier_types.h:394
fib_rpf_id_t frp_rpf_id
The RPF-ID.
Definition: fib_types.h:494
A local path with a RPF-ID => multicast traffic.
Definition: fib_types.h:338
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:221
fib_mpls_lsp_mode_t_
MPLS LSP mode - only valid at the head and tail.
Definition: fib_types.h:383
u32 frp_sw_if_index
The interface.
Definition: fib_types.h:490
fib_special_type_t_
Enurmeration of special path/entry types.
Definition: fib_types.h:269
Recursion constraint of via a host prefix.
Definition: fib_types.h:309
Aggregrate type for a prefix.
Definition: fib_types.h:188
A path via a UDP encap object.
Definition: fib_types.h:346
enum fib_route_path_flags_t_ fib_route_path_flags_t
Path flags from the control plane.
Contribute an object that is to be used to forward Ethernet packets.
Definition: fib_types.h:131
enum dpo_proto_t_ dpo_proto_t
Data path protocol.
u16 fp_len
The mask length.
Definition: fib_types.h:192
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:532
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:119
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:211
struct _unformat_input_t unformat_input_t
u8 * format_fib_prefix(u8 *s, va_list *args)
Definition: fib_types.c:176
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:139
Configuration for each label value in the output-stack.
Definition: fib_types.h:410
fib_mpls_label_t * frp_label_stack
The outgoing MPLS label Stack.
Definition: fib_types.h:510
Recursion constraint of via an attahced prefix.
Definition: fib_types.h:313
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:581
fib_protocol_t dpo_proto_to_fib(dpo_proto_t dpo_proto)
Definition: fib_types.c:252
fib_path_list_walk_rc_t_
return code to control pat-hlist walk
Definition: fib_types.h:572
fib_mpls_lsp_mode_t fml_mode
The LSP mode.
Definition: fib_types.h:420
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:383
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:286
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:137
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:329
mpls_label_t fml_value
The label value.
Definition: fib_types.h:415
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:63
mpls_label_t fp_label
Definition: fib_types.h:214
u32 fib_rpf_id_t
An RPF-ID is numerical value that is used RPF validate.
Definition: fib_types.h:376
u8 * format_fib_protocol(u8 *s, va_list *ap)
Definition: fib_types.c:31
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:270
unsigned int u32
Definition: types.h:88
enum vnet_link_t_ vnet_link_t
Link Type: A description of the protocol of packets on the link.
u8 frp_preference
A path preference.
Definition: fib_types.h:543
A deag path using the packet&#39;s source not destination address.
Definition: fib_types.h:342
fib_route_path_flags_t frp_flags
flags on the path
Definition: fib_types.h:547
A path that resolves via a BIER F-Mask.
Definition: fib_types.h:350
int fib_prefix_cmp(const fib_prefix_t *p1, const fib_prefix_t *p2)
Compare two prefixes for equality.
Definition: fib_types.c:104
A path that resolves via another table.
Definition: fib_types.h:362
u64 uword
Definition: types.h:112
void fib_prefix_from_ip46_addr(const ip46_address_t *addr, fib_prefix_t *pfx)
Host prefix from ip.
Definition: fib_types.c:79
u8 * format_fib_forw_chain_type(u8 *s, va_list *args)
Definition: fib_types.c:47
mpls_label_t frp_local_label
The MPLS local Label to reursively resolve through.
Definition: fib_types.h:478
dpo_proto_t fib_proto_to_dpo(fib_protocol_t fib_proto)
Definition: fib_types.c:236
unsigned short u16
Definition: types.h:57
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:317
unsigned char u8
Definition: types.h:56
static fib_protocol_t fib_ip_proto(bool is_ip6)
Convert from boolean is_ip6 to FIB protocol.
Definition: fib_types.h:80
u32 frp_bier_fib_index
The BIER table to resolve the fmask in.
Definition: fib_types.h:505
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:565
u8 fml_exp
EXP bits; valid only at imposition.
Definition: fib_types.h:430
int fib_prefix_is_host(const fib_prefix_t *p)
Return true is the prefix is a host prefix.
Definition: fib_types.c:161
Contribute an object that is to be used to forward non-end-of-stack MPLS packets. ...
Definition: fib_types.h:108
Attached path.
Definition: fib_types.h:321
fib_route_path_flags_t_
Path flags from the control plane.
Definition: fib_types.h:303
vhost_vring_addr_t addr
Definition: vhost-user.h:83
u8 frp_weight
[un]equal cost path weight
Definition: fib_types.h:537
u32 frp_udp_encap_id
UDP encap ID.
Definition: fib_types.h:527
Contribute an object that is to be used to forward IP4 packets.
Definition: fib_types.h:123
u32 frp_fib_index
The FIB index to lookup the nexthop Only valid for recursive paths.
Definition: fib_types.h:501
fib_forward_chain_type_t_
FIB output chain type.
Definition: fib_types.h:95
mpls_eos_bit_t fp_eos
Definition: fib_types.h:215
enum mpls_eos_bit_t_ mpls_eos_bit_t