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Vector Packet Processing
mpls_api.c
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1 /*
2  *------------------------------------------------------------------
3  * mpls_api.c - mpls api
4  *
5  * Copyright (c) 2016 Cisco and/or its affiliates.
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at:
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *------------------------------------------------------------------
18  */
19 
20 #include <vnet/vnet.h>
21 #include <vlibmemory/api.h>
22 
23 #include <vnet/interface.h>
24 #include <vnet/api_errno.h>
25 #include <vnet/mpls/mpls.h>
26 #include <vnet/mpls/mpls_tunnel.h>
27 #include <vnet/fib/fib_table.h>
28 #include <vnet/fib/fib_api.h>
29 #include <vnet/fib/mpls_fib.h>
30 #include <vnet/fib/fib_path_list.h>
31 
32 #include <vnet/vnet_msg_enum.h>
33 
34 #define vl_typedefs /* define message structures */
35 #include <vnet/vnet_all_api_h.h>
36 #undef vl_typedefs
37 
38 #define vl_endianfun /* define message structures */
39 #include <vnet/vnet_all_api_h.h>
40 #undef vl_endianfun
41 
42 /* instantiate all the print functions we know about */
43 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
44 #define vl_printfun
45 #include <vnet/vnet_all_api_h.h>
46 #undef vl_printfun
47 
49 
50 #define foreach_vpe_api_msg \
51 _(MPLS_IP_BIND_UNBIND, mpls_ip_bind_unbind) \
52 _(MPLS_ROUTE_ADD_DEL, mpls_route_add_del) \
53 _(MPLS_TABLE_ADD_DEL, mpls_table_add_del) \
54 _(MPLS_TUNNEL_ADD_DEL, mpls_tunnel_add_del) \
55 _(MPLS_TUNNEL_DUMP, mpls_tunnel_dump) \
56 _(SW_INTERFACE_SET_MPLS_ENABLE, sw_interface_set_mpls_enable) \
57 _(MPLS_FIB_DUMP, mpls_fib_dump)
58 
59 extern void stats_dslock_with_hint (int hint, int tag);
60 extern void stats_dsunlock (void);
61 
62 void
63 mpls_table_delete (u32 table_id, u8 is_api)
64 {
65  u32 fib_index;
66 
67  /*
68  * The MPLS defult table must also be explicitly created via the API.
69  * So in contrast to IP, it gets no special treatment here.
70  *
71  * The API holds only one lock on the table.
72  * i.e. it can be added many times via the API but needs to be
73  * deleted only once.
74  */
75  fib_index = fib_table_find (FIB_PROTOCOL_MPLS, table_id);
76 
77  if (~0 != fib_index)
78  {
79  fib_table_unlock (fib_index,
81  (is_api ? FIB_SOURCE_API : FIB_SOURCE_CLI));
82  }
83 }
84 
85 void
87 {
88  vl_api_mpls_table_add_del_reply_t *rmp;
89  vnet_main_t *vnm;
90  int rv = 0;
91 
92  vnm = vnet_get_main ();
93  vnm->api_errno = 0;
94 
95  if (mp->mt_is_add)
96  mpls_table_create (ntohl (mp->mt_table_id), 1, mp->mt_name);
97  else
98  mpls_table_delete (ntohl (mp->mt_table_id), 1);
99 
100  // NB: Nothing sets rv; none of the above returns an error
101 
102  REPLY_MACRO (VL_API_MPLS_TABLE_ADD_DEL_REPLY);
103 }
104 
105 static int
108 {
109  u32 mpls_fib_index, ip_fib_index;
110 
111  mpls_fib_index =
113 
114  if (~0 == mpls_fib_index)
115  {
116  return VNET_API_ERROR_NO_SUCH_FIB;
117  }
118 
119  ip_fib_index = fib_table_find ((mp->mb_is_ip4 ?
122  ntohl (mp->mb_ip_table_id));
123  if (~0 == ip_fib_index)
124  return VNET_API_ERROR_NO_SUCH_FIB;
125 
126  fib_prefix_t pfx = {
127  .fp_len = mp->mb_address_length,
128  };
129 
130  if (mp->mb_is_ip4)
131  {
133  clib_memcpy (&pfx.fp_addr.ip4, mp->mb_address,
134  sizeof (pfx.fp_addr.ip4));
135  }
136  else
137  {
139  clib_memcpy (&pfx.fp_addr.ip6, mp->mb_address,
140  sizeof (pfx.fp_addr.ip6));
141  }
142 
143  if (mp->mb_is_bind)
144  fib_table_entry_local_label_add (ip_fib_index, &pfx,
145  ntohl (mp->mb_label));
146  else
147  fib_table_entry_local_label_remove (ip_fib_index, &pfx,
148  ntohl (mp->mb_label));
149 
150  return (0);
151 }
152 
153 void
155 {
156  vl_api_mpls_ip_bind_unbind_reply_t *rmp;
157  vnet_main_t *vnm;
158  int rv;
159 
160  vnm = vnet_get_main ();
161  vnm->api_errno = 0;
162 
163  rv = mpls_ip_bind_unbind_handler (vnm, mp);
164  rv = (rv == 0) ? vnm->api_errno : rv;
165 
166  REPLY_MACRO (VL_API_MPLS_IP_BIND_UNBIND_REPLY);
167 }
168 
169 static int
172  u32 * stats_index)
173 {
174  fib_mpls_label_t *label_stack = NULL;
175  u32 fib_index, next_hop_fib_index;
176  int rv, ii, n_labels;;
177 
178  fib_prefix_t pfx = {
179  .fp_len = 21,
180  .fp_proto = FIB_PROTOCOL_MPLS,
181  .fp_eos = mp->mr_eos,
182  .fp_label = ntohl (mp->mr_label),
183  };
184  if (pfx.fp_eos)
185  {
187  }
188  else
189  {
191  }
192 
194  mp->mr_table_id,
196  pfx.fp_payload_proto,
198  mp->mr_is_rpf_id,
199  &fib_index, &next_hop_fib_index);
200 
201  if (0 != rv)
202  return (rv);
203 
204  ip46_address_t nh;
205  memset (&nh, 0, sizeof (nh));
206 
207  if (DPO_PROTO_IP4 == mp->mr_next_hop_proto)
208  memcpy (&nh.ip4, mp->mr_next_hop, sizeof (nh.ip4));
209  else if (DPO_PROTO_IP6 == mp->mr_next_hop_proto)
210  memcpy (&nh.ip6, mp->mr_next_hop, sizeof (nh.ip6));
211 
212  n_labels = mp->mr_next_hop_n_out_labels;
213  if (n_labels == 0)
214  ;
215  else
216  {
217  vec_validate (label_stack, n_labels - 1);
218  for (ii = 0; ii < n_labels; ii++)
219  {
220  label_stack[ii].fml_value =
221  ntohl (mp->mr_next_hop_out_label_stack[ii].label);
222  label_stack[ii].fml_ttl = mp->mr_next_hop_out_label_stack[ii].ttl;
223  label_stack[ii].fml_exp = mp->mr_next_hop_out_label_stack[ii].exp;
224  label_stack[ii].fml_mode =
227  }
228  }
229 
230  /* *INDENT-OFF* */
232  0, // mp->is_drop,
233  0, // mp->is_unreach,
234  0, // mp->is_prohibit,
235  0, // mp->is_local,
236  mp->mr_is_multicast,
237  mp->mr_is_classify,
239  mp->mr_is_resolve_host,
241  mp->mr_is_interface_rx,
242  mp->mr_is_rpf_id,
243  0, // l2_bridged
244  0, // is source_lookup
245  0, // is_udp_encap
246  fib_index, &pfx,
247  mp->mr_next_hop_proto,
248  &nh, ~0, // next_hop_id
249  ntohl (mp->mr_next_hop_sw_if_index),
250  next_hop_fib_index,
251  mp->mr_next_hop_weight,
253  ntohl (mp->mr_next_hop_via_label),
254  label_stack);
255  /* *INDENT-ON* */
256 
257  if (mp->mr_is_add && 0 == rv)
258  *stats_index = fib_table_entry_get_stats_index (fib_index, &pfx);
259 
260  return (rv);
261 }
262 
263 void
265 {
267  vnet_main_t *vnm;
268  u32 stats_index;
269  int rv;
270 
271  vnm = vnet_get_main ();
272  stats_index = ~0;
273 
274  rv = mpls_route_add_del_t_handler (vnm, mp, &stats_index);
275 
276  /* *INDENT-OFF* */
277  REPLY_MACRO2 (VL_API_MPLS_ROUTE_ADD_DEL_REPLY,
278  ({
279  rmp->stats_index = htonl (stats_index);
280  }));
281  /* *INDENT-ON* */
282 }
283 
284 void
285 mpls_table_create (u32 table_id, u8 is_api, const u8 * name)
286 {
287  u32 fib_index;
288 
289  /*
290  * The MPLS defult table must also be explicitly created via the API.
291  * So in contrast to IP, it gets no special treatment here.
292  */
293 
294  /*
295  * The API holds only one lock on the table.
296  * i.e. it can be added many times via the API but needs to be
297  * deleted only once.
298  */
299  fib_index = fib_table_find (FIB_PROTOCOL_MPLS, table_id);
300 
301  if (~0 == fib_index)
302  {
304  table_id,
305  (is_api ?
307  FIB_SOURCE_CLI), name);
308  }
309 }
310 
311 static void
313 {
314  u32 tunnel_sw_if_index = ~0, tunnel_index = ~0, next_hop_via_label;
316  fib_route_path_t rpath, *rpaths = NULL;
317  int ii, rv = 0;
318 
319  memset (&rpath, 0, sizeof (rpath));
320 
321  stats_dslock_with_hint (1 /* release hint */ , 5 /* tag */ );
322 
323  if (mp->mt_next_hop_proto_is_ip4)
324  {
325  rpath.frp_proto = DPO_PROTO_IP4;
326  clib_memcpy (&rpath.frp_addr.ip4,
327  mp->mt_next_hop, sizeof (rpath.frp_addr.ip4));
328  }
329  else
330  {
331  rpath.frp_proto = DPO_PROTO_IP6;
332  clib_memcpy (&rpath.frp_addr.ip6,
333  mp->mt_next_hop, sizeof (rpath.frp_addr.ip6));
334  }
335  rpath.frp_sw_if_index = ntohl (mp->mt_next_hop_sw_if_index);
336  rpath.frp_weight = mp->mt_next_hop_weight;
338 
339  next_hop_via_label = ntohl (mp->mt_next_hop_via_label);
340  if ((MPLS_LABEL_INVALID != next_hop_via_label) && (0 != next_hop_via_label))
341  {
342  rpath.frp_proto = DPO_PROTO_MPLS;
343  rpath.frp_local_label = next_hop_via_label;
344  rpath.frp_eos = MPLS_NON_EOS;
345  }
346 
347  if (rpath.frp_sw_if_index == ~0)
348  { /* recursive path, set fib index */
349  rpath.frp_fib_index =
351  ntohl (mp->mt_next_hop_table_id));
352  if (rpath.frp_fib_index == ~0)
353  {
354  rv = VNET_API_ERROR_NO_SUCH_FIB;
355  goto out;
356  }
357  }
358 
359  if (mp->mt_is_add)
360  {
361  for (ii = 0; ii < mp->mt_next_hop_n_out_labels; ii++)
362  {
363  fib_mpls_label_t fml = {
364  .fml_value = ntohl (mp->mt_next_hop_out_label_stack[ii].label),
365  .fml_ttl = mp->mt_next_hop_out_label_stack[ii].ttl,
366  .fml_exp = mp->mt_next_hop_out_label_stack[ii].exp,
367  .fml_mode = (mp->mt_next_hop_out_label_stack[ii].is_uniform ?
369  };
370  vec_add1 (rpath.frp_label_stack, fml);
371  }
372  }
373 
374  vec_add1 (rpaths, rpath);
375 
376  tunnel_sw_if_index = ntohl (mp->mt_sw_if_index);
377 
378  if (mp->mt_is_add)
379  {
380  if (~0 == tunnel_sw_if_index)
381  tunnel_sw_if_index = vnet_mpls_tunnel_create (mp->mt_l2_only,
382  mp->mt_is_multicast);
383  vnet_mpls_tunnel_path_add (tunnel_sw_if_index, rpaths);
384 
385  tunnel_index = vnet_mpls_tunnel_get_index (tunnel_sw_if_index);
386  }
387  else
388  {
389  tunnel_index = vnet_mpls_tunnel_get_index (tunnel_sw_if_index);
390  tunnel_sw_if_index = ntohl (mp->mt_sw_if_index);
391  if (!vnet_mpls_tunnel_path_remove (tunnel_sw_if_index, rpaths))
392  vnet_mpls_tunnel_del (tunnel_sw_if_index);
393  }
394 
395  vec_free (rpaths);
396 
397  stats_dsunlock ();
398 
399 out:
400  /* *INDENT-OFF* */
401  REPLY_MACRO2(VL_API_MPLS_TUNNEL_ADD_DEL_REPLY,
402  ({
403  rmp->sw_if_index = ntohl(tunnel_sw_if_index);
404  rmp->tunnel_index = ntohl(tunnel_index);
405  }));
406  /* *INDENT-ON* */
407 }
408 
409 static void
412 {
413  vl_api_sw_interface_set_mpls_enable_reply_t *rmp;
414  int rv = 0;
415 
417 
419  ntohl (mp->sw_if_index),
420  mp->enable, 1);
421 
423  REPLY_MACRO (VL_API_SW_INTERFACE_SET_MPLS_ENABLE_REPLY);
424 }
425 
427 {
432 
433 static void
434 send_mpls_tunnel_entry (u32 mti, void *arg)
435 {
436  fib_route_path_encode_t *api_rpaths = NULL, *api_rpath;
439  const mpls_tunnel_t *mt;
440  vl_api_fib_path_t *fp;
441  u32 n;
442 
443  ctx = arg;
444 
445  mt = mpls_tunnel_get (mti);
446 
447  if (~0 != ctx->sw_if_index && mt->mt_sw_if_index != ctx->sw_if_index)
448  return;
449 
451 
452  mp = vl_msg_api_alloc (sizeof (*mp) + n * sizeof (vl_api_fib_path_t));
453  memset (mp, 0, sizeof (*mp) + n * sizeof (vl_api_fib_path_t));
454 
455  mp->_vl_msg_id = ntohs (VL_API_MPLS_TUNNEL_DETAILS);
456  mp->context = ctx->context;
457 
458  mp->mt_tunnel_index = ntohl (mti);
459  mp->mt_sw_if_index = ntohl (mt->mt_sw_if_index);
460  mp->mt_count = ntohl (n);
461 
462  fib_path_list_walk (mt->mt_path_list, fib_path_encode, &api_rpaths);
463 
464  fp = mp->mt_paths;
465  vec_foreach (api_rpath, api_rpaths)
466  {
467  fib_api_path_encode (api_rpath, fp);
468  fp++;
469  }
470 
471  vl_api_send_msg (ctx->reg, (u8 *) mp);
472 }
473 
474 static void
476 {
478 
480  if (!reg)
481  return;
482 
484  .reg = reg,
485  .sw_if_index = ntohl (mp->sw_if_index),
486  .context = mp->context,
487  };
489 }
490 
491 static void
494  const fib_table_t * table,
495  const fib_prefix_t * pfx,
496  fib_route_path_encode_t * api_rpaths, u32 context)
497 {
499  fib_route_path_encode_t *api_rpath;
500  vl_api_fib_path_t *fp;
501  int path_count;
502 
503  path_count = vec_len (api_rpaths);
504  mp = vl_msg_api_alloc (sizeof (*mp) + path_count * sizeof (*fp));
505  if (!mp)
506  return;
507  memset (mp, 0, sizeof (*mp));
508  mp->_vl_msg_id = ntohs (VL_API_MPLS_FIB_DETAILS);
509  mp->context = context;
510 
511  mp->table_id = htonl (table->ft_table_id);
512  memcpy (mp->table_name, table->ft_desc,
513  clib_min (vec_len (table->ft_desc), sizeof (mp->table_name)));
514  mp->eos_bit = pfx->fp_eos;
515  mp->label = htonl (pfx->fp_label);
516 
517  mp->count = htonl (path_count);
518  fp = mp->path;
519  vec_foreach (api_rpath, api_rpaths)
520  {
521  fib_api_path_encode (api_rpath, fp);
522  fp++;
523  }
524 
525  vl_api_send_msg (reg, (u8 *) mp);
526 }
527 
529 {
532 
533 static fib_table_walk_rc_t
535 {
537 
538  vec_add1 (ctx->lfeis, fei);
539 
540  return (FIB_TABLE_WALK_CONTINUE);
541 }
542 
543 static void
545 {
548  mpls_main_t *mm = &mpls_main;
549  fib_table_t *fib_table;
550  mpls_fib_t *mpls_fib;
551  fib_node_index_t *lfeip = NULL;
552  const fib_prefix_t *pfx;
553  u32 fib_index;
554  fib_route_path_encode_t *api_rpaths;
556  .lfeis = NULL,
557  };
558 
560  if (!reg)
561  return;
562 
563  /* *INDENT-OFF* */
564  pool_foreach (mpls_fib, mm->mpls_fibs,
565  ({
566  mpls_fib_table_walk (mpls_fib,
567  vl_api_mpls_fib_dump_table_walk,
568  &ctx);
569  }));
570  /* *INDENT-ON* */
572 
573  vec_foreach (lfeip, ctx.lfeis)
574  {
575  pfx = fib_entry_get_prefix (*lfeip);
576  fib_index = fib_entry_get_fib_index (*lfeip);
577  fib_table = fib_table_get (fib_index, pfx->fp_proto);
578  api_rpaths = NULL;
579  fib_entry_encode (*lfeip, &api_rpaths);
580  send_mpls_fib_details (am, reg, fib_table, pfx, api_rpaths, mp->context);
581  vec_free (api_rpaths);
582  }
583 
584  vec_free (ctx.lfeis);
585 }
586 
587 /*
588  * mpls_api_hookup
589  * Add vpe's API message handlers to the table.
590  * vlib has alread mapped shared memory and
591  * added the client registration handlers.
592  * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
593  */
594 #define vl_msg_name_crc_list
595 #include <vnet/vnet_all_api_h.h>
596 #undef vl_msg_name_crc_list
597 
598 static void
600 {
601 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
602  foreach_vl_msg_name_crc_mpls;
603 #undef _
604 }
605 
606 static clib_error_t *
608 {
609  api_main_t *am = &api_main;
610 
611 #define _(N,n) \
612  vl_msg_api_set_handlers(VL_API_##N, #n, \
613  vl_api_##n##_t_handler, \
614  vl_noop_handler, \
615  vl_api_##n##_t_endian, \
616  vl_api_##n##_t_print, \
617  sizeof(vl_api_##n##_t), 1);
619 #undef _
620 
621  /*
622  * Trace space for 8 MPLS encap labels
623  */
624  am->api_trace_cfg[VL_API_MPLS_TUNNEL_ADD_DEL].size += 8 * sizeof (u32);
625 
626  /*
627  * Set up the (msg_name, crc, message-id) table
628  */
630 
631  return 0;
632 }
633 
635 
636 /*
637  * fd.io coding-style-patch-verification: ON
638  *
639  * Local Variables:
640  * eval: (c-set-style "gnu")
641  * End:
642  */
Bind/Unbind an MPLS local label to an IP prefix.
Definition: mpls.api:31
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:437
fib_protocol_t fp_proto
protocol type
Definition: fib_types.h:212
u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1632
ip46_address_t frp_addr
The next-hop address.
Definition: fib_types.h:486
Continue on to the next entry.
Definition: fib_table.h:868
void mpls_table_delete(u32 table_id, u8 is_api)
Definition: mpls_api.c:63
Pipe Mode - the default.
Definition: fib_types.h:404
#define clib_min(x, y)
Definition: clib.h:291
A representation of a fib path for fib_path_encode to convey the information to the caller...
Definition: fib_types.h:584
struct vl_api_mpls_fib_dump_table_walk_ctx_t_ vl_api_mpls_fib_dump_table_walk_ctx_t
mpls_eos_bit_t frp_eos
EOS bit for the resolving label.
Definition: fib_types.h:497
void mpls_table_create(u32 table_id, u8 is_api, const u8 *name)
Definition: mpls_api.c:285
A representation of a path as described by a route producer.
Definition: fib_types.h:470
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
fib_node_index_t mt_path_list
The path-list over which the tunnel&#39;s destination is reachable.
Definition: mpls_tunnel.h:86
int size
for sanity checking
Definition: api_common.h:80
u32 fib_table_find_or_create_and_lock_w_name(fib_protocol_t proto, u32 table_id, fib_source_t src, const u8 *name)
Get the index of the FIB for a Table-ID.
Definition: fib_table.c:1132
#define REPLY_MACRO2(t, body)
#define NULL
Definition: clib.h:57
static void send_mpls_tunnel_entry(u32 mti, void *arg)
Definition: mpls_api.c:434
static void vl_api_send_msg(vl_api_registration_t *rp, u8 *elem)
Definition: api.h:34
struct mpls_tunnel_send_walk_ctx_t_ mpls_tunnel_send_walk_ctx_t
A uni-directional MPLS tunnel.
Definition: mpls_tunnel.h:55
From the CLI.
Definition: fib_entry.h:78
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:523
void fib_path_list_walk(fib_node_index_t path_list_index, fib_path_list_walk_fn_t func, void *ctx)
const fib_prefix_t * fib_entry_get_prefix(fib_node_index_t fib_entry_index)
Definition: fib_entry.c:1622
dpo_proto_t frp_proto
The protocol of the address below.
Definition: fib_types.h:475
Dump MPLS fib table.
Definition: mpls.api:184
static int mpls_route_add_del_t_handler(vnet_main_t *vnm, vl_api_mpls_route_add_del_t *mp, u32 *stats_index)
Definition: mpls_api.c:170
const mpls_tunnel_t * mpls_tunnel_get(u32 mti)
Definition: mpls_tunnel.c:560
void * vl_msg_api_alloc(int nbytes)
#define foreach_vpe_api_msg
Definition: mpls_api.c:50
void fib_table_entry_local_label_remove(u32 fib_index, const fib_prefix_t *prefix, mpls_label_t label)
remove a MPLS local label for the prefix/route.
Definition: fib_table.c:924
unsigned char u8
Definition: types.h:56
trace_cfg_t * api_trace_cfg
Current trace configuration.
Definition: api_common.h:248
static void vl_api_mpls_tunnel_add_del_t_handler(vl_api_mpls_tunnel_add_del_t *mp)
Definition: mpls_api.c:312
void vl_api_mpls_route_add_del_t_handler(vl_api_mpls_route_add_del_t *mp)
Definition: mpls_api.c:264
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
static void vl_api_mpls_fib_dump_t_handler(vl_api_mpls_fib_dump_t *mp)
Definition: mpls_api.c:544
memset(h->entries, 0, sizeof(h->entries[0])*entries)
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:443
u32 frp_sw_if_index
The interface.
Definition: fib_types.h:505
static clib_error_t * mpls_api_hookup(vlib_main_t *vm)
Definition: mpls_api.c:607
MPLS Route Add / del route.
Definition: mpls.api:110
Aggregrate type for a prefix.
Definition: fib_types.h:203
void stats_dsunlock(void)
unsigned int u32
Definition: types.h:88
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:1064
fib_protocol_t dpo_proto_to_fib(dpo_proto_t dpo_proto)
Definition: fib_types.c:253
u16 fp_len
The mask length.
Definition: fib_types.h:207
Dump mpls eth tunnel table.
Definition: mpls.api:81
int fib_entry_cmp_for_sort(void *i1, void *i2)
Definition: fib_entry.c:1574
vnet_api_error_t api_errno
Definition: vnet.h:78
void vnet_mpls_tunnel_del(u32 sw_if_index)
Delete an MPLS tunnel.
Definition: mpls_tunnel.c:581
int vnet_mpls_tunnel_get_index(u32 sw_if_index)
return the tunnel index from the sw_if_index
Definition: mpls_tunnel.c:767
ip46_address_t fp_addr
The address type is not deriveable from the fp_addr member.
Definition: fib_types.h:226
long ctx[MAX_CONNS]
Definition: main.c:144
mpls FIB table response
Definition: mpls.api:197
static int mpls_ip_bind_unbind_handler(vnet_main_t *vnm, vl_api_mpls_ip_bind_unbind_t *mp)
Definition: mpls_api.c:106
MPLS Route Add / del route.
Definition: mpls.api:147
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
#define REPLY_MACRO(t)
int add_del_route_check(fib_protocol_t table_proto, u32 table_id, u32 next_hop_sw_if_index, dpo_proto_t next_hop_table_proto, u32 next_hop_table_id, u8 is_rpf_id, u32 *fib_index, u32 *next_hop_fib_index)
Definition: ip_api.c:924
Enable or Disable MPLS on and interface.
Definition: mpls.api:214
void fib_table_unlock(u32 fib_index, fib_protocol_t proto, fib_source_t source)
Take a reference counting lock on the table.
Definition: fib_table.c:1236
u8 name[64]
Definition: memclnt.api:151
fib_mpls_lsp_mode_t fml_mode
The LSP mode.
Definition: fib_types.h:435
API main structure, used by both vpp and binary API clients.
Definition: api_common.h:201
An API client registration, only in vpp/vlib.
Definition: api_common.h:44
#define BAD_SW_IF_INDEX_LABEL
Reply for MPLS tunnel add / del request.
Definition: mpls.api:68
fib_node_index_t fib_table_entry_local_label_add(u32 fib_index, const fib_prefix_t *prefix, mpls_label_t label)
Add a MPLS local label for the prefix/route.
Definition: fib_table.c:897
mpls_main_t mpls_main
Definition: mpls.c:25
u32 ft_table_id
Table ID (hash key) for this FIB.
Definition: fib_table.h:89
vlib_main_t * vm
Definition: buffer.c:294
vl_api_registration_t * reg
Definition: mpls_api.c:428
enum fib_table_walk_rc_t_ fib_table_walk_rc_t
return code controlling how a table walk proceeds
#define MPLS_LABEL_INVALID
Definition: mpls_types.h:48
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:339
u8 * ft_desc
Table description.
Definition: fib_table.h:114
#define clib_memcpy(a, b, c)
Definition: string.h:75
int mpls_sw_interface_enable_disable(mpls_main_t *mm, u32 sw_if_index, u8 is_enable, u8 is_api)
Definition: interface.c:39
u32 fib_path_list_get_n_paths(fib_node_index_t path_list_index)
u32 fib_node_index_t
A typedef of a node index.
Definition: fib_types.h:30
void mpls_tunnel_walk(mpls_tunnel_walk_cb_t cb, void *ctx)
Walk all the MPLS tunnels.
Definition: mpls_tunnel.c:569
mpls_label_t fml_value
The label value.
Definition: fib_types.h:430
static vl_api_registration_t * vl_api_client_index_to_registration(u32 index)
Definition: api.h:56
mpls_label_t fp_label
Definition: fib_types.h:229
u32 vnet_mpls_tunnel_create(u8 l2_only, u8 is_multicast)
Create a new MPLS tunnel.
Definition: mpls_tunnel.c:602
static void send_mpls_fib_details(vpe_api_main_t *am, vl_api_registration_t *reg, const fib_table_t *table, const fib_prefix_t *pfx, fib_route_path_encode_t *api_rpaths, u32 context)
Definition: mpls_api.c:492
int vnet_mpls_tunnel_path_remove(u32 sw_if_index, fib_route_path_t *rpaths)
remove a path from a tunnel.
Definition: mpls_tunnel.c:700
fib_path_list_walk_rc_t fib_path_encode(fib_node_index_t path_list_index, fib_node_index_t path_index, void *ctx)
Definition: fib_path.c:2592
FIB path.
Definition: fib_types.api:47
u8 frp_preference
A path preference.
Definition: fib_types.h:563
vl_api_fib_path_t path[count]
Definition: mpls.api:205
From the control plane API.
Definition: fib_entry.h:74
u32 fib_table_entry_get_stats_index(u32 fib_index, const fib_prefix_t *prefix)
Return the stats index for a FIB entry.
Definition: fib_table.c:889
void fib_api_path_encode(const fib_route_path_encode_t *api_rpath, vl_api_fib_path_t *out)
Definition: fib_api.c:217
void fib_entry_encode(fib_node_index_t fib_entry_index, fib_route_path_encode_t **api_rpaths)
Definition: fib_entry.c:1609
mpls_label_t frp_local_label
The MPLS local Label to reursively resolve through.
Definition: fib_types.h:493
void vnet_mpls_tunnel_path_add(u32 sw_if_index, fib_route_path_t *rpaths)
Add a path to an MPLS tunnel.
Definition: mpls_tunnel.c:648
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
static void vl_api_mpls_tunnel_dump_t_handler(vl_api_mpls_tunnel_dump_t *mp)
Definition: mpls_api.c:475
VLIB_API_INIT_FUNCTION(mpls_api_hookup)
#define vec_sort_with_function(vec, f)
Sort a vector using the supplied element comparison function.
Definition: vec.h:982
void stats_dslock_with_hint(int hint, int tag)
static void vl_api_sw_interface_set_mpls_enable_t_handler(vl_api_sw_interface_set_mpls_enable_t *mp)
Definition: mpls_api.c:411
fib_table_t * fib_table_get(fib_node_index_t index, fib_protocol_t proto)
Get a pointer to a FIB table.
Definition: fib_table.c:27
static fib_table_walk_rc_t vl_api_mpls_fib_dump_table_walk(fib_node_index_t fei, void *arg)
Definition: mpls_api.c:534
vl_api_fib_path_t mt_paths[mt_count]
Definition: mpls.api:98
#define vec_foreach(var, vec)
Vector iterator.
u32 mt_sw_if_index
The SW interface index of the tunnel interfaces.
Definition: mpls_tunnel.h:81
int add_del_route_t_handler(u8 is_multipath, u8 is_add, u8 is_drop, u8 is_unreach, u8 is_prohibit, u8 is_local, u8 is_multicast, u8 is_classify, u32 classify_table_index, u8 is_resolve_host, u8 is_resolve_attached, u8 is_interface_rx, u8 is_rpf_id, u8 is_dvr, u8 is_source_lookup, u8 is_udp_encap, u32 fib_index, const fib_prefix_t *prefix, dpo_proto_t next_hop_proto, const ip46_address_t *next_hop, u32 next_hop_id, u32 next_hop_sw_if_index, u8 next_hop_fib_index, u16 next_hop_weight, u16 next_hop_preference, mpls_label_t next_hop_via_label, fib_mpls_label_t *next_hop_out_label_stack)
Definition: ip_api.c:754
u8 fml_exp
EXP bits; valid only at imposition.
Definition: fib_types.h:445
mpls tunnel details
Definition: mpls.api:90
vpe_api_main_t vpe_api_main
Definition: pipe_api.c:39
u8 frp_weight
[un]equal cost path weight
Definition: fib_types.h:557
api_main_t api_main
Definition: api_shared.c:35
vl_api_fib_mpls_label_t mt_next_hop_out_label_stack[mt_next_hop_n_out_labels]
Definition: mpls.api:60
u32 frp_fib_index
The FIB index to lookup the nexthop Only valid for recursive paths.
Definition: fib_types.h:516
void vl_api_mpls_table_add_del_t_handler(vl_api_mpls_table_add_del_t *mp)
Definition: mpls_api.c:86
vl_api_fib_mpls_label_t mr_next_hop_out_label_stack[mr_next_hop_n_out_labels]
Definition: mpls.api:171
static void setup_message_id_table(api_main_t *am)
Definition: mpls_api.c:599
struct mpls_fib_t_ * mpls_fibs
A pool of all the MPLS FIBs.
Definition: mpls.h:50
void vl_api_mpls_ip_bind_unbind_t_handler(vl_api_mpls_ip_bind_unbind_t *mp)
Definition: mpls_api.c:154
#define VALIDATE_SW_IF_INDEX(mp)
A protocol Independent FIB table.
Definition: fib_table.h:69
mpls_eos_bit_t fp_eos
Definition: fib_types.h:230