FD.io VPP  v20.01-48-g3e0dafb74
Vector Packet Processing
fib_types.c
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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 #include <vnet/ip/ip.h>
17 
18 #include <vnet/fib/fib_types.h>
19 #include <vnet/fib/fib_internal.h>
20 #include <vnet/fib/fib_table.h>
21 #include <vnet/mfib/mfib_types.h>
22 #include <vnet/mpls/mpls.h>
23 
24 /*
25  * arrays of protocol and link names
26  */
27 static const char* fib_protocol_names[] = FIB_PROTOCOLS;
28 static const char* vnet_link_names[] = VNET_LINKS;
29 static const char* fib_forw_chain_names[] = FIB_FORW_CHAINS;
31 
32 u8 *
33 format_fib_protocol (u8 * s, va_list * ap)
34 {
35  fib_protocol_t proto = va_arg(*ap, int); // fib_protocol_t promotion
36 
37  return (format (s, "%s", fib_protocol_names[proto]));
38 }
39 
40 u8 *
41 format_vnet_link (u8 * s, va_list * ap)
42 {
43  vnet_link_t link = va_arg(*ap, int); // vnet_link_t promotion
44 
45  return (format (s, "%s", vnet_link_names[link]));
46 }
47 
48 u8 *
49 format_fib_forw_chain_type (u8 * s, va_list * args)
50 {
51  fib_forward_chain_type_t fct = va_arg(*args, int);
52 
53  return (format (s, "%s", fib_forw_chain_names[fct]));
54 }
55 
56 u8 *
57 format_fib_mpls_lsp_mode(u8 *s, va_list *ap)
58 {
59  fib_mpls_lsp_mode_t mode = va_arg(*ap, int);
60 
61  return (format (s, "%s", fib_mpls_lsp_mode_names[mode]));
62 }
63 
64 u8 *
65 format_fib_mpls_label (u8 *s, va_list *ap)
66 {
67  fib_mpls_label_t *label = va_arg(*ap, fib_mpls_label_t *);
68 
69  s = format(s, "%U %U ttl:%d exp:%d",
71  label->fml_value,
73  label->fml_mode,
74  label->fml_ttl,
75  label->fml_exp);
76 
77  return (s);
78 }
79 
80 void
81 fib_prefix_from_ip46_addr (const ip46_address_t *addr,
82  fib_prefix_t *pfx)
83 {
85 
86  pfx->fp_proto = ((ip46_address_is_ip4(addr) ?
89  pfx->fp_len = ((ip46_address_is_ip4(addr) ?
90  32 : 128));
91  pfx->fp_addr = *addr;
92 }
93 
94 void
96  mpls_eos_bit_t eos,
97  fib_prefix_t *pfx)
98 {
100  pfx->fp_len = 21;
101  pfx->fp_label = label;
102  pfx->fp_eos = eos;
103 }
104 
105 void
107  const fib_prefix_t *src)
108 {
109  clib_memcpy(dst, src, sizeof(*dst));
110 }
111 
112 int
114  const fib_prefix_t *p2)
115 {
116  int res;
117 
118  res = (p1->fp_proto - p2->fp_proto);
119 
120  if (0 == res)
121  {
122  switch (p1->fp_proto)
123  {
124  case FIB_PROTOCOL_IP4:
125  case FIB_PROTOCOL_IP6:
126  res = (p1->fp_len - p2->fp_len);
127 
128  if (0 == res)
129  {
130  res = ip46_address_cmp(&p1->fp_addr, &p2->fp_addr);
131  }
132  break;
133  case FIB_PROTOCOL_MPLS:
134  res = (p1->fp_label - p2->fp_label);
135 
136  if (0 == res)
137  {
138  res = (p1->fp_eos - p2->fp_eos);
139  }
140  break;
141  }
142  }
143 
144  return (res);
145 }
146 
147 int
149  const fib_prefix_t *p2)
150 {
151  switch (p1->fp_proto)
152  {
153  case FIB_PROTOCOL_IP4:
155  &p1->fp_addr.ip4,
156  &p2->fp_addr.ip4,
157  p1->fp_len));
158  case FIB_PROTOCOL_IP6:
160  &p1->fp_addr.ip6,
161  &p2->fp_addr.ip6,
162  p1->fp_len));
163  case FIB_PROTOCOL_MPLS:
164  break;
165  }
166  return (0);
167 }
168 
169 u8
171 {
172  switch (proto)
173  {
174  case FIB_PROTOCOL_IP4:
175  return (32);
176  case FIB_PROTOCOL_IP6:
177  return (128);
178  case FIB_PROTOCOL_MPLS:
179  return (21);
180  }
181  return (0);
182 }
183 
184 int
186 {
187  switch (prefix->fp_proto)
188  {
189  case FIB_PROTOCOL_IP4:
190  return (prefix->fp_len == 32);
191  case FIB_PROTOCOL_IP6:
192  return (prefix->fp_len == 128);
193  case FIB_PROTOCOL_MPLS:
194  return (!0);
195  }
196  return (0);
197 }
198 
199 u8 *
200 format_fib_prefix (u8 * s, va_list * args)
201 {
202  fib_prefix_t *fp = va_arg (*args, fib_prefix_t *);
203 
204  /*
205  * protocol specific so it prints ::/0 correctly.
206  */
207  switch (fp->fp_proto)
208  {
209  case FIB_PROTOCOL_IP6:
210  {
211  ip6_address_t p6 = fp->fp_addr.ip6;
212 
214  s = format (s, "%U", format_ip6_address, &p6);
215  break;
216  }
217  case FIB_PROTOCOL_IP4:
218  {
219  ip4_address_t p4 = fp->fp_addr.ip4;
220  p4.as_u32 &= ip4_main.fib_masks[fp->fp_len];
221 
222  s = format (s, "%U", format_ip4_address, &p4);
223  break;
224  }
225  case FIB_PROTOCOL_MPLS:
226  s = format (s, "%U:%U",
229  break;
230  }
231  s = format (s, "/%d", fp->fp_len);
232 
233  return (s);
234 }
235 
236 int
238  const fib_route_path_t *rpath2)
239 {
240  int res;
241 
242  res = ip46_address_cmp(&rpath1->frp_addr,
243  &rpath2->frp_addr);
244 
245  if (0 != res) return (res);
246 
247  res = (rpath1->frp_sw_if_index - rpath2->frp_sw_if_index);
248 
249  if (0 != res) return (res);
250 
251  if (ip46_address_is_zero(&rpath1->frp_addr))
252  {
253  res = rpath1->frp_fib_index - rpath2->frp_fib_index;
254  }
255 
256  return (res);
257 }
258 
261 {
262  switch (fib_proto)
263  {
264  case FIB_PROTOCOL_IP6:
265  return (DPO_PROTO_IP6);
266  case FIB_PROTOCOL_IP4:
267  return (DPO_PROTO_IP4);
268  case FIB_PROTOCOL_MPLS:
269  return (DPO_PROTO_MPLS);
270  }
271  ASSERT(0);
272  return (0);
273 }
274 
277 {
278  switch (dpo_proto)
279  {
280  case DPO_PROTO_IP6:
281  return (FIB_PROTOCOL_IP6);
282  case DPO_PROTO_IP4:
283  return (FIB_PROTOCOL_IP4);
284  case DPO_PROTO_MPLS:
285  return (FIB_PROTOCOL_MPLS);
286  default:
287  break;
288  }
289  ASSERT(0);
290  return (0);
291 }
292 
295 {
296  switch (proto)
297  {
298  case FIB_PROTOCOL_IP4:
299  return (VNET_LINK_IP4);
300  case FIB_PROTOCOL_IP6:
301  return (VNET_LINK_IP6);
302  case FIB_PROTOCOL_MPLS:
303  return (VNET_LINK_MPLS);
304  }
305  ASSERT(0);
306  return (0);
307 }
308 
311 {
312  switch (fproto)
313  {
314  case FIB_PROTOCOL_IP4:
315  return (IP46_TYPE_IP4);
316  case FIB_PROTOCOL_IP6:
317  return (IP46_TYPE_IP6);
318  case FIB_PROTOCOL_MPLS:
319  return (IP46_TYPE_ANY);
320  }
321  ASSERT(0);
322  return (IP46_TYPE_ANY);
323 }
324 
327 {
328  switch (iproto)
329  {
330  case IP46_TYPE_IP4:
331  return FIB_PROTOCOL_IP4;
332  case IP46_TYPE_IP6:
333  return FIB_PROTOCOL_IP6;
334  case IP46_TYPE_ANY:
335  ASSERT(0);
336  return FIB_PROTOCOL_IP4;
337  }
338 
339  ASSERT(0);
340  return FIB_PROTOCOL_IP4;
341 }
342 
345 {
346  switch (proto)
347  {
348  case DPO_PROTO_IP4:
350  case DPO_PROTO_IP6:
352  case DPO_PROTO_MPLS:
354  case DPO_PROTO_ETHERNET:
356  case DPO_PROTO_NSH:
357  return (FIB_FORW_CHAIN_TYPE_NSH);
358  case DPO_PROTO_BIER:
359  return (FIB_FORW_CHAIN_TYPE_BIER);
360  }
361  ASSERT(0);
363 }
364 
367 {
368  switch (proto)
369  {
370  case FIB_PROTOCOL_IP4:
372  case FIB_PROTOCOL_IP6:
374  case FIB_PROTOCOL_MPLS:
376  }
377  ASSERT(0);
379 }
380 
383 {
384  switch (fct)
385  {
388  return (VNET_LINK_IP4);
391  return (VNET_LINK_IP6);
393  return (VNET_LINK_ETHERNET);
395  return (VNET_LINK_NSH);
398  /*
399  * insufficient information to to convert
400  */
401  ASSERT(0);
402  break;
404  return (VNET_LINK_MPLS);
405  }
406  return (VNET_LINK_IP4);
407 }
408 
411 {
412  switch (link_type)
413  {
414  case VNET_LINK_IP4:
416  case VNET_LINK_IP6:
418  case VNET_LINK_MPLS:
420  case VNET_LINK_ETHERNET:
422  case VNET_LINK_NSH:
423  return (FIB_FORW_CHAIN_TYPE_NSH);
424  case VNET_LINK_ARP:
425  break;
426  }
427 
428  ASSERT(0);
430 }
431 
434 {
435  switch (fct)
436  {
439  return (DPO_PROTO_IP4);
442  return (DPO_PROTO_IP6);
444  return (DPO_PROTO_ETHERNET);
446  return (DPO_PROTO_NSH);
448  return (DPO_PROTO_BIER);
451  return (DPO_PROTO_MPLS);
452  }
453  return (DPO_PROTO_IP4);
454 }
455 
456 uword
457 unformat_fib_route_path (unformat_input_t * input, va_list * args)
458 {
459  fib_route_path_t *rpath = va_arg (*args, fib_route_path_t *);
460  dpo_proto_t *payload_proto = va_arg (*args, void*);
461  u32 weight, preference, udp_encap_id, fi;
462  mpls_label_t out_label;
463  vnet_main_t *vnm;
464 
465  vnm = vnet_get_main ();
466  clib_memset(rpath, 0, sizeof(*rpath));
467  rpath->frp_weight = 1;
468  rpath->frp_sw_if_index = ~0;
469 
471  {
472  if (unformat (input, "%U %U",
474  &rpath->frp_addr.ip4,
476  &rpath->frp_sw_if_index))
477  {
478  rpath->frp_proto = DPO_PROTO_IP4;
479  }
480  else if (unformat (input, "%U %U",
482  &rpath->frp_addr.ip6,
484  &rpath->frp_sw_if_index))
485  {
486  rpath->frp_proto = DPO_PROTO_IP6;
487  }
488  else if (unformat (input, "weight %u", &weight))
489  {
490  rpath->frp_weight = weight;
491  }
492  else if (unformat (input, "preference %u", &preference))
493  {
494  rpath->frp_preference = preference;
495  }
496  else if (unformat (input, "%U next-hop-table %d",
498  &rpath->frp_addr.ip4,
499  &rpath->frp_fib_index))
500  {
501  rpath->frp_sw_if_index = ~0;
502  rpath->frp_proto = DPO_PROTO_IP4;
503 
504  /*
505  * the user enter table-ids, convert to index
506  */
508  if (~0 == fi)
509  return 0;
510  rpath->frp_fib_index = fi;
511  }
512  else if (unformat (input, "%U next-hop-table %d",
514  &rpath->frp_addr.ip6,
515  &rpath->frp_fib_index))
516  {
517  rpath->frp_sw_if_index = ~0;
518  rpath->frp_proto = DPO_PROTO_IP6;
520  if (~0 == fi)
521  return 0;
522  rpath->frp_fib_index = fi;
523  }
524  else if (unformat (input, "%U",
526  &rpath->frp_addr.ip4))
527  {
528  /*
529  * the recursive next-hops are by default in the default table
530  */
531  rpath->frp_fib_index = 0;
532  rpath->frp_sw_if_index = ~0;
533  rpath->frp_proto = DPO_PROTO_IP4;
534  }
535  else if (unformat (input, "%U",
537  &rpath->frp_addr.ip6))
538  {
539  rpath->frp_fib_index = 0;
540  rpath->frp_sw_if_index = ~0;
541  rpath->frp_proto = DPO_PROTO_IP6;
542  }
543  else if (unformat (input, "udp-encap %d", &udp_encap_id))
544  {
545  rpath->frp_udp_encap_id = udp_encap_id;
547  rpath->frp_proto = *payload_proto;
548  }
549  else if (unformat (input, "lookup in table %d", &rpath->frp_fib_index))
550  {
551  rpath->frp_proto = *payload_proto;
552  rpath->frp_sw_if_index = ~0;
553  rpath->frp_flags |= FIB_ROUTE_PATH_DEAG;
554  }
555  else if (unformat (input, "resolve-via-host"))
556  {
558  }
559  else if (unformat (input, "resolve-via-attached"))
560  {
562  }
563  else if (unformat (input, "pop-pw-cw"))
564  {
566  }
567  else if (unformat (input,
568  "ip4-lookup-in-table %d",
569  &rpath->frp_fib_index))
570  {
571  rpath->frp_proto = DPO_PROTO_IP4;
572  *payload_proto = DPO_PROTO_IP4;
574  if (~0 == fi)
575  return 0;
576  rpath->frp_fib_index = fi;
577  }
578  else if (unformat (input,
579  "ip6-lookup-in-table %d",
580  &rpath->frp_fib_index))
581  {
582  rpath->frp_proto = DPO_PROTO_IP6;
583  *payload_proto = DPO_PROTO_IP6;
585  if (~0 == fi)
586  return 0;
587  rpath->frp_fib_index = fi;
588  }
589  else if (unformat (input,
590  "mpls-lookup-in-table %d",
591  &rpath->frp_fib_index))
592  {
593  rpath->frp_proto = DPO_PROTO_MPLS;
594  *payload_proto = DPO_PROTO_MPLS;
596  if (~0 == fi)
597  return 0;
598  rpath->frp_fib_index = fi;
599  }
600  else if (unformat (input, "src-lookup"))
601  {
603  }
604  else if (unformat (input,
605  "l2-input-on %U",
607  &rpath->frp_sw_if_index))
608  {
609  rpath->frp_proto = DPO_PROTO_ETHERNET;
610  *payload_proto = DPO_PROTO_ETHERNET;
612  }
613  else if (unformat (input, "via-label %U",
615  &rpath->frp_local_label))
616  {
617  rpath->frp_eos = MPLS_NON_EOS;
618  rpath->frp_proto = DPO_PROTO_MPLS;
619  rpath->frp_sw_if_index = ~0;
620  }
621  else if (unformat (input, "rx-ip4 %U",
623  &rpath->frp_sw_if_index))
624  {
625  rpath->frp_proto = DPO_PROTO_IP4;
627  }
628  else if (unformat (input, "local"))
629  {
630  clib_memset (&rpath->frp_addr, 0, sizeof (rpath->frp_addr));
631  rpath->frp_sw_if_index = ~0;
632  rpath->frp_weight = 1;
634  }
635  else if (unformat (input, "%U",
637  ;
638  else if (unformat (input, "out-labels"))
639  {
640  while (unformat (input, "%U",
641  unformat_mpls_unicast_label, &out_label))
642  {
643  fib_mpls_label_t fml = {
644  .fml_value = out_label,
645  };
646  vec_add1(rpath->frp_label_stack, fml);
647  }
648  }
649  else if (unformat (input, "%U",
651  &rpath->frp_sw_if_index))
652  {
653  rpath->frp_proto = *payload_proto;
654  }
655  else if (unformat (input, "via"))
656  {
657  /* new path, back up and return */
658  unformat_put_input (input);
659  unformat_put_input (input);
660  unformat_put_input (input);
661  unformat_put_input (input);
662  break;
663  }
664  else
665  {
666  return (0);
667  }
668  }
669 
670  return (1);
671 }
static const char * vnet_link_names[]
Definition: fib_types.c:28
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:501
u8 proto
Definition: acl_types.api:47
Contribute an object that is to be used to forward IP6 packets.
Definition: fib_types.h:113
fib_forward_chain_type_t fib_forw_chain_type_from_link_type(vnet_link_t link_type)
Convert from a adjacency&#39;s link type to chain type.
Definition: fib_types.c:410
static const char * fib_protocol_names[]
Definition: fib_types.c:27
mpls_eos_bit_t frp_eos
EOS bit for the resolving label.
Definition: fib_types.h:512
int fib_route_path_cmp(const fib_route_path_t *rpath1, const fib_route_path_t *rpath2)
Definition: fib_types.c:237
A representation of a path as described by a route producer.
Definition: fib_types.h:485
uword unformat_mfib_itf_flags(unformat_input_t *input, va_list *args)
Definition: mfib_types.c:198
vnet_main_t * vnet_get_main(void)
Definition: misc.c:46
ip46_type_t fib_proto_to_ip46(fib_protocol_t fproto)
Convert from fib_protocol to ip46_type.
Definition: fib_types.c:310
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:457
u32 frp_mitf_flags
MFIB interface flags.
Definition: fib_types.h:554
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
u32 mpls_label_t
A label value only, i.e.
Definition: packet.h:26
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:433
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:523
vl_api_address_t src
Definition: gre.api:60
#define VNET_LINKS
Definition: interface.h:342
Contribute an object that is to be used to forward IP4 packets.
Definition: fib_types.h:109
static uword ip4_destination_matches_route(const ip4_main_t *im, const ip4_address_t *key, const ip4_address_t *dest, uword dest_length)
Definition: ip4.h:194
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
dpo_proto_t frp_proto
The protocol of the address below.
Definition: fib_types.h:490
unformat_function_t unformat_vnet_sw_interface
vl_api_prefix_t prefix
Definition: ip.api:144
A path that result in received traffic being recieved/recirculated so that it appears to have arrived...
Definition: fib_types.h:355
static u8 ip46_address_is_ip4(const ip46_address_t *ip46)
Definition: ip46_address.h:55
static void ip6_address_mask(ip6_address_t *a, const ip6_address_t *mask)
Definition: ip6_packet.h:192
vhost_vring_addr_t addr
Definition: vhost_user.h:147
unsigned char u8
Definition: types.h:56
int fib_prefix_is_host(const fib_prefix_t *prefix)
Return true is the prefix is a host prefix.
Definition: fib_types.c:185
u8 * format_fib_protocol(u8 *s, va_list *ap)
Definition: fib_types.c:33
enum fib_protocol_t_ fib_protocol_t
Protocol Type.
unformat_function_t unformat_mpls_unicast_label
Definition: mpls.h:81
#define clib_memcpy(d, s, n)
Definition: string.h:180
u8 preference
Definition: fib_types.api:121
format_function_t format_ip4_address
Definition: format.h:73
unformat_function_t unformat_ip4_address
Definition: format.h:68
u32 frp_sw_if_index
The interface.
Definition: fib_types.h:525
static const char * fib_mpls_lsp_mode_names[]
Definition: fib_types.c:30
u8 * format_fib_mpls_lsp_mode(u8 *s, va_list *ap)
Format an LSP mode type.
Definition: fib_types.c:57
static int ip46_address_cmp(const ip46_address_t *ip46_1, const ip46_address_t *ip46_2)
Definition: ip46_address.h:80
static uword ip6_destination_matches_route(const ip6_main_t *im, const ip6_address_t *key, const ip6_address_t *dest, uword dest_length)
Definition: ip6.h:263
Recursion constraint of via a host prefix.
Definition: fib_types.h:330
u8 * format_fib_prefix(u8 *s, va_list *args)
Definition: fib_types.c:200
Aggregate type for a prefix.
Definition: fib_types.h:203
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:148
A path via a UDP encap object.
Definition: fib_types.h:367
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.
u32 fib_table_find(fib_protocol_t proto, u32 table_id)
Get the index of the FIB for a Table-ID.
Definition: fib_table.c:1097
fib_protocol_t dpo_proto_to_fib(dpo_proto_t dpo_proto)
Definition: fib_types.c:276
u16 fp_len
The mask length.
Definition: fib_types.h:207
vl_api_gre_tunnel_mode_t mode
Definition: gre.api:55
fib_protocol_t fib_proto_from_ip46(ip46_type_t iproto)
Convert from ip46_type to fib_protocol.
Definition: fib_types.c:326
Contribute an object that is to be used to forward end-of-stack MPLS packets.
Definition: fib_types.h:129
format_function_t format_mpls_eos_bit
Definition: mpls.h:69
ip46_address_t fp_addr
The address type is not deriveable from the fp_addr member.
Definition: fib_types.h:226
static u8 ip46_address_is_zero(const ip46_address_t *ip46)
Definition: ip46_address.h:87
struct _unformat_input_t unformat_input_t
enum fib_mpls_lsp_mode_t_ fib_mpls_lsp_mode_t
MPLS LSP mode - only valid at the head and tail.
u8 weight
Definition: fib_types.api:120
static const char * fib_forw_chain_names[]
Definition: fib_types.c:29
Configuration for each label value in the output-stack.
Definition: fib_types.h:440
fib_mpls_label_t * frp_label_stack
The outgoing MPLS label Stack.
Definition: fib_types.h:546
Recursion constraint of via an attahced prefix.
Definition: fib_types.h:334
ip6_main_t ip6_main
Definition: ip6_forward.c:2703
static void unformat_put_input(unformat_input_t *input)
Definition: format.h:205
u32 label
Definition: fib_types.api:25
vl_api_address_t dst
Definition: gre.api:61
fib_mpls_lsp_mode_t fml_mode
The LSP mode.
Definition: fib_types.h:450
Pop a Psuedo Wire Control Word.
Definition: fib_types.h:396
unformat_function_t unformat_ip6_address
Definition: format.h:89
ip6_address_t fib_masks[129]
Definition: ip6.h:192
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:382
#define UNFORMAT_END_OF_INPUT
Definition: format.h:145
format_function_t format_ip6_address
Definition: format.h:91
u8 fib_prefix_get_host_length(fib_protocol_t proto)
Definition: fib_types.c:170
Contribute an object that is to be used to forward NSH packets.
Definition: fib_types.h:147
void fib_prefix_from_mpls_label(mpls_label_t label, mpls_eos_bit_t eos, fib_prefix_t *pfx)
Definition: fib_types.c:95
mpls_label_t fml_value
The label value.
Definition: fib_types.h:445
void fib_prefix_from_ip46_addr(const ip46_address_t *addr, fib_prefix_t *pfx)
Host prefix from ip.
Definition: fib_types.c:81
mpls_label_t fp_label
Definition: fib_types.h:229
#define ASSERT(truth)
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:591
A deag path using the packet&#39;s source not destination address.
Definition: fib_types.h:363
enum fib_forward_chain_type_t_ fib_forward_chain_type_t
FIB output chain type.
fib_route_path_flags_t frp_flags
flags on the path
Definition: fib_types.h:595
u8 * format_fib_forw_chain_type(u8 *s, va_list *args)
Definition: fib_types.c:49
#define FIB_FORW_CHAINS
Definition: fib_types.h:150
dpo_proto_t fib_proto_to_dpo(fib_protocol_t fib_proto)
Definition: fib_types.c:260
void fib_prefix_copy(fib_prefix_t *dst, const fib_prefix_t *src)
Copy a prefix.
Definition: fib_types.c:106
A path that resolves via another table.
Definition: fib_types.h:383
format_function_t format_mpls_unicast_label
Definition: mpls.h:71
mpls_label_t frp_local_label
The MPLS local Label to reursively resolve through.
Definition: fib_types.h:508
#define FIB_MPLS_LSP_MODES
Definition: fib_types.h:427
int fib_prefix_cmp(const fib_prefix_t *p1, const fib_prefix_t *p2)
Compare two prefixes for equality.
Definition: fib_types.c:113
A for-us/local path.
Definition: fib_types.h:338
u64 uword
Definition: types.h:112
u8 * format_fib_mpls_label(u8 *s, va_list *ap)
Format an MPLS label.
Definition: fib_types.c:65
ip4_main_t ip4_main
Global ip4 main structure.
Definition: ip4_forward.c:1079
vnet_link_t fib_proto_to_link(fib_protocol_t proto)
Convert from a protocol to a link type.
Definition: fib_types.c:294
u8 fml_exp
EXP bits; valid only at imposition.
Definition: fib_types.h:460
u8 * format_vnet_link(u8 *s, va_list *ap)
Definition: fib_types.c:41
Contribute an object that is to be used to forward non-end-of-stack MPLS packets. ...
Definition: fib_types.h:118
u8 frp_weight
[un]equal cost path weight
Definition: fib_types.h:585
u32 frp_udp_encap_id
UDP encap ID.
Definition: fib_types.h:565
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:537
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:344
#define FIB_PROTOCOLS
Definition: fib_types.h:42
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:366
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:978
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:171
ip46_type_t
Definition: ip46_address.h:22
mpls_eos_bit_t fp_eos
Definition: fib_types.h:230
u32 fib_masks[33]
Definition: ip4.h:118
enum mpls_eos_bit_t_ mpls_eos_bit_t