FD.io VPP  v20.01-48-g3e0dafb74
Vector Packet Processing
lisp_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/ethernet/ethernet.h>
18 
19 static u16 gid_address_put_no_vni (u8 * b, gid_address_t * gid);
22 
23 u32 mac_parse (u8 * offset, u8 * a);
24 
25 typedef u16 (*size_to_write_fct) (void *);
26 typedef void *(*cast_fct) (gid_address_t *);
27 typedef u16 (*serdes_fct) (u8 *, void *);
28 typedef u8 (*addr_len_fct) (void *);
29 typedef void (*copy_fct) (void *, void *);
30 typedef void (*free_fct) (void *);
31 typedef int (*cmp_fct) (void *, void *);
32 
36 };
37 
41 };
42 
44  { ip_prefix_cast, lcaf_cast, mac_cast, sd_cast, nsh_cast, 0 /* arp */ ,
46 };
47 
50  0 /* arp */ , no_addr_length
51 };
52 
54  { ip_prefix_copy, lcaf_copy, mac_copy, sd_copy, nsh_copy, 0 /* arp */ ,
56 };
57 
58 #define foreach_lcaf_type \
59  _(1, no_addr) \
60  _(0, NULL) \
61  _(1, vni) \
62  _(0, NULL) \
63  _(0, NULL) \
64  _(0, NULL) \
65  _(0, NULL) \
66  _(0, NULL) \
67  _(0, NULL) \
68  _(0, NULL) \
69  _(0, NULL) \
70  _(0, NULL) \
71  _(1, sd) \
72  _(0, NULL) \
73  _(0, NULL) \
74  _(0, NULL) \
75  _(0, NULL) \
76  _(1, nsh)
77 
78 #define _(cond, name) \
79  u16 name ## _write (u8 * p, void * a); \
80  u16 name ## _parse (u8 * p, void * a); \
81  u16 name ## _size_to_write (void * a); \
82  void name ## _free (void * a); \
83  void name ## _copy (void * dst, void * src); \
84  u8 name ## _length (void * a); \
85  int name ## _cmp (void *, void *);
87 #undef _
88 #define CONCAT(a,b) a##_##b
89 #define IF(c, t, e) CONCAT(IF, c)(t, e)
90 #define IF_0(t, e) e
91 #define IF_1(t, e) t
92 #define EXPAND_FCN(cond, fcn) \
93  IF(cond, fcn, NULL)
95 {
96 #define _(cond, name) \
97  EXPAND_FCN(cond, name##_cmp),
99 #undef _
100 };
101 
103 #define _(cond, name) \
104  EXPAND_FCN(cond, name##_length),
106 #undef _
107 };
108 
110 #define _(cond, name) \
111  EXPAND_FCN(cond, name##_copy),
113 #undef _
114 };
115 
117 #define _(cond, name) \
118  EXPAND_FCN(cond, name##_free),
120 #undef _
121 };
122 
124 #define _(cond, name) \
125  EXPAND_FCN(cond, name##_size_to_write),
127 #undef _
128 };
129 
131 #define _(cond, name) \
132  EXPAND_FCN(cond, name##_write),
134 #undef _
135 };
136 
138 #define _(cond, name) \
139  EXPAND_FCN(cond, name##_parse),
141 #undef _
142 };
143 
144 uword
145 unformat_nsh_address (unformat_input_t * input, va_list * args)
146 {
147  nsh_t *a = va_arg (*args, nsh_t *);
148  return unformat (input, "SPI:%d SI:%d", &a->spi, &a->si);
149 }
150 
151 u8 *
152 format_nsh_address (u8 * s, va_list * args)
153 {
154  nsh_t *a = va_arg (*args, nsh_t *);
155  return format (s, "SPI:%d SI:%d", a->spi, a->si);
156 }
157 
158 u8 *
159 format_fid_nsh_address (u8 * s, va_list * args)
160 {
161  u32 *a = va_arg (*args, u32 *);
162  return format (s, "SPI:%d SI:%d", *a >> 8, *a & 0xff);
163 }
164 
165 u8 *
166 format_fid_address (u8 * s, va_list * args)
167 {
168  fid_address_t *a = va_arg (*args, fid_address_t *);
169 
170  switch (fid_addr_type (a))
171  {
172  case FID_ADDR_IP_PREF:
173  return format (s, "%U", format_ip_prefix, &fid_addr_ippref (a));
174  case FID_ADDR_MAC:
175  return format (s, "%U", format_mac_address, &fid_addr_mac (a));
176  case FID_ADDR_NSH:
177  return format (s, "%U", format_fid_nsh_address, &fid_addr_nsh (a));
178 
179  default:
180  clib_warning ("Can't format fid address type %d!", fid_addr_type (a));
181  return 0;
182  }
183  return 0;
184 }
185 
186 u8 *
187 format_gid_address (u8 * s, va_list * args)
188 {
189  gid_address_t *a = va_arg (*args, gid_address_t *);
190  u8 type = gid_address_type (a);
191  switch (type)
192  {
193  case GID_ADDR_IP_PREFIX:
194  return format (s, "[%d] %U", gid_address_vni (a), format_ip_prefix,
195  &gid_address_ippref (a));
196  case GID_ADDR_SRC_DST:
197  return format (s, "[%d] %U|%U", gid_address_vni (a),
200  case GID_ADDR_MAC:
201  return format (s, "[%d] %U", gid_address_vni (a), format_mac_address,
202  &gid_address_mac (a));
203  case GID_ADDR_ARP:
204  case GID_ADDR_NDP:
205  return format (s, "[%d, %U]", gid_address_arp_ndp_bd (a),
207  case GID_ADDR_NSH:
208  return format (s, "%U", format_nsh_address, &gid_address_nsh (a));
209 
210  default:
211  clib_warning ("Can't format gid type %d", type);
212  return 0;
213  }
214  return 0;
215 }
216 
217 uword
219 {
220  fid_address_t *a = va_arg (*args, fid_address_t *);
221  ip_prefix_t ippref;
222  u8 mac[6] = { 0 };
223  nsh_t nsh;
224 
225  if (unformat (i, "%U", unformat_ip_prefix, &ippref))
226  {
228  ip_prefix_copy (&fid_addr_ippref (a), &ippref);
229  }
230  else if (unformat (i, "%U", unformat_mac_address, mac))
231  {
233  mac_copy (fid_addr_mac (a), mac);
234  }
235  else if (unformat (i, "%U", unformat_nsh_address, &nsh))
236  {
238  nsh_copy (&fid_addr_nsh (a), &nsh);
239  }
240  else
241  return 0;
242 
243  return 1;
244 }
245 
246 uword
247 unformat_hmac_key_id (unformat_input_t * input, va_list * args)
248 {
249  u32 *key_id = va_arg (*args, u32 *);
250  u8 *s = 0;
251 
252  if (unformat (input, "%s", &s))
253  {
254  if (!strcmp ((char *) s, "sha1"))
255  key_id[0] = HMAC_SHA_1_96;
256  else if (!strcmp ((char *) s, "sha256"))
257  key_id[0] = HMAC_SHA_256_128;
258  else
259  {
260  clib_warning ("invalid key_id: '%s'", s);
261  key_id[0] = HMAC_NO_KEY;
262  }
263  }
264  else
265  return 0;
266 
267  vec_free (s);
268  return 1;
269 }
270 
271 uword
272 unformat_gid_address (unformat_input_t * input, va_list * args)
273 {
274  gid_address_t *a = va_arg (*args, gid_address_t *);
275  u8 mac[6] = { 0 };
276  ip_prefix_t ippref;
277  fid_address_t sim1, sim2;
278  nsh_t nsh;
279 
280  clib_memset (&ippref, 0, sizeof (ippref));
281  clib_memset (&sim1, 0, sizeof (sim1));
282  clib_memset (&sim2, 0, sizeof (sim2));
283 
284  if (unformat (input, "%U|%U", unformat_fid_address, &sim1,
285  unformat_fid_address, &sim2))
286  {
287  gid_address_sd_src (a) = sim1;
288  gid_address_sd_dst (a) = sim2;
290  }
291  else if (unformat (input, "%U", unformat_ip_prefix, &ippref))
292  {
293  ip_prefix_copy (&gid_address_ippref (a), &ippref);
295  }
296  else if (unformat (input, "%U", unformat_mac_address, mac))
297  {
298  mac_copy (gid_address_mac (a), mac);
300  }
301  else if (unformat (input, "%U", unformat_nsh_address, &nsh))
302  {
303  nsh_copy (&gid_address_nsh (a), &nsh);
305  }
306  else
307  return 0;
308 
309  return 1;
310 }
311 
312 uword
314 {
315  u32 *action = va_arg (*args, u32 *);
316  u8 *s = 0;
317 
318  if (unformat (input, "%s", &s))
319  {
320  if (!strcmp ((char *) s, "no-action"))
321  action[0] = LISP_NO_ACTION;
322  else if (!strcmp ((char *) s, "natively-forward"))
323  action[0] = LISP_FORWARD_NATIVE;
324  else if (!strcmp ((char *) s, "send-map-request"))
325  action[0] = LISP_SEND_MAP_REQUEST;
326  else if (!strcmp ((char *) s, "drop"))
327  action[0] = LISP_DROP;
328  else
329  {
330  clib_warning ("invalid action: '%s'", s);
331  action[0] = LISP_DROP;
332  }
333  }
334  else
335  return 0;
336 
337  vec_free (s);
338  return 1;
339 }
340 
341 u8 *
342 format_hmac_key_id (u8 * s, va_list * args)
343 {
344  lisp_key_type_t key_id = va_arg (*args, lisp_key_type_t);
345 
346  switch (key_id)
347  {
348  case HMAC_SHA_1_96:
349  return format (0, "sha1");
350  case HMAC_SHA_256_128:
351  return format (0, "sha256");
352  default:
353  return 0;
354  }
355 
356  return 0;
357 }
358 
359 u8 *
360 format_negative_mapping_action (u8 * s, va_list * args)
361 {
362  lisp_action_e action = va_arg (*args, lisp_action_e);
363 
364  switch (action)
365  {
366  case LISP_NO_ACTION:
367  s = format (s, "no-action");
368  break;
369  case LISP_FORWARD_NATIVE:
370  s = format (s, "natively-forward");
371  break;
373  s = format (s, "send-map-request");
374  break;
375  case LISP_DROP:
376  default:
377  s = format (s, "drop");
378  break;
379  }
380  return (s);
381 }
382 
383 u8
385 {
386  return ip_prefix_len ((ip_prefix_t *) a);
387 }
388 
391 {
392  switch (version)
393  {
394  case AF_IP4:
395  return LISP_AFI_IP;
396  case AF_IP6:
397  return LISP_AFI_IP6;
398  default:
399  return 0;
400  }
401  return 0;
402 }
403 
406 {
407  switch (afi)
408  {
409  case LISP_AFI_IP:
410  return AF_IP4;
411  case LISP_AFI_IP6:
412  return AF_IP6;
413  default:
414  return 0;
415  }
416  return 0;
417 }
418 
419 u16
421 {
422  return ip_address_size (a) + sizeof (u16);
423 }
424 
425 u16
427 {
429 }
430 
431 u8
433 {
434  return version == AF_IP4 ? 32 : 128;
435 }
436 
437 u16
439 {
440  // return sizeof(u16) + sizeof (ip4_address_t);
441  return 6;
442 }
443 
444 u16
446 {
447  //return sizeof(u16) + sizeof (ip6_address_t);
448  return 18;
449 }
450 
451 u32
453 {
454  *(u16 *) b = clib_host_to_net_u16 (ip_version_to_iana_afi (AF_IP4));
455  u8 *p = b + sizeof (u16);
456  clib_memcpy (p, a, sizeof (*a));
457  return ip4_address_size_to_put ();
458 }
459 
460 u32
462 {
463  *(u16 *) b = clib_host_to_net_u16 (ip_version_to_iana_afi (AF_IP6));
464  u8 *p = b + sizeof (u16);
465  clib_memcpy (p, a, sizeof (*a));
466  return ip6_address_size_to_put ();
467 }
468 
469 u32
471 {
472  u32 len = ip_address_size (a);
473  *(u16 *) b = clib_host_to_net_u16 (ip_address_iana_afi (a));
474  u8 *p = b + sizeof (u16);
475  clib_memcpy (p, &ip_addr_addr (a), len);
476  return (len + sizeof (u16));
477 }
478 
479 u32
481 {
482  ip_addr_version (dst) = ip_iana_afi_to_version (iana_afi);
484  clib_memcpy (&ip_addr_addr (dst), offset + sizeof (u16), size);
485  return (sizeof (u16) + size);
486 }
487 
488 void
490 {
491  switch (gid_address_type (g))
492  {
493  case GID_ADDR_SRC_DST:
494  switch (gid_address_sd_dst_type (g))
495  {
496  case FID_ADDR_IP_PREF:
498  d->type = FID_ADDR_IP_PREF;
499  break;
500  case FID_ADDR_MAC:
501  mac_copy (&d->mac, &gid_address_sd_dst_mac (g));
502  d->type = FID_ADDR_MAC;
503  break;
504  default:
505  clib_warning ("Source/Dest address type %d not supported!",
507  break;
508  }
509  break;
510  case GID_ADDR_IP_PREFIX:
512  d->type = FID_ADDR_IP_PREF;
513  break;
514  case GID_ADDR_MAC:
515  mac_copy (&d->mac, &gid_address_mac (g));
516  d->type = FID_ADDR_MAC;
517  break;
518  case GID_ADDR_NSH:
519  default:
520  d->nsh = gid_address_nsh (g).spi << 8 | gid_address_nsh (g).si;
521  d->type = FID_ADDR_NSH;
522  break;
523  }
524 }
525 
526 u32
527 lcaf_hdr_parse (void *offset, lcaf_t * lcaf)
528 {
529  lcaf_hdr_t *lh = offset;
530  lcaf->type = lh->type;
531 
532  /* this is a bit of hack: since the LCAF Instance ID is the
533  only message that uses reserved2 field, we can set it here.
534  If any LCAF format starts using reserved2 field as well this needs
535  to be moved elsewhere */
536  lcaf_vni_len (lcaf) = lh->reserved2;
537 
538  return sizeof (lh[0]);
539 }
540 
541 static u8
543 {
544  switch (type)
545  {
546  case LISP_AFI_IP:
547  case LISP_AFI_IP6:
548  return FID_ADDR_IP_PREF;
549 
550  case LISP_AFI_MAC:
551  return FID_ADDR_MAC;
552  }
553  return ~0;
554 }
555 
556 static u16
558 {
559  u16 afi = clib_net_to_host_u16 (*(u16 *) p);
561  ip_address_t *ip_addr = &ip_prefix_addr (&fid_addr_ippref (a));
562 
563  switch (fid_addr_type (a))
564  {
565  case FID_ADDR_MAC:
566  return mac_parse (p, fid_addr_mac (a));
567 
568  case FID_ADDR_IP_PREF:
569  return ip_address_parse (p, afi, ip_addr);
570 
571  case FID_ADDR_NSH:
572  break;
573  }
574  return ~0;
575 }
576 
577 #define INC(dst, exp) \
578 do { \
579  u16 _sum = (exp); \
580  if ((u16)~0 == _sum) \
581  return ~0; \
582  dst += _sum; \
583 } while (0);
584 
585 void
586 nsh_free (void *a)
587 {
588  /* nothing to do */
589 }
590 
591 u16
592 nsh_parse (u8 * p, void *a)
593 {
595  gid_address_t *g = a;
596 
598  gid_address_nsh_spi (g) = clib_net_to_host_u32 (LCAF_SPI_SI (h)) >> 8;
599  gid_address_nsh_si (g) = (u8) clib_net_to_host_u32 (LCAF_SPI_SI (h));
600 
601  return sizeof (lcaf_spi_hdr_t);
602 }
603 
604 int
605 nsh_cmp (void *a1, void *a2)
606 {
607  nsh_t *n1 = a1;
608  nsh_t *n2 = a2;
609 
610  if (n1->spi != n2->spi)
611  return 1;
612  if (n1->si != n2->si)
613  return 1;
614  return 0;
615 }
616 
617 u16
618 sd_parse (u8 * p, void *a)
619 {
620  lcaf_src_dst_hdr_t *sd_hdr;
621  gid_address_t *g = a;
622  u16 size = 0;
625 
627 
628  sd_hdr = (lcaf_src_dst_hdr_t *) (p + size);
629  size += sizeof (sd_hdr[0]);
630 
631  INC (size, fid_addr_parse (p + size, src));
632  INC (size, fid_addr_parse (p + size, dst));
633 
634  if (fid_addr_type (src) == FID_ADDR_IP_PREF)
635  {
636  ip_prefix_t *ippref = &fid_addr_ippref (src);
637  ip_prefix_len (ippref) = LCAF_SD_SRC_ML (sd_hdr);
638  }
639  if (fid_addr_type (dst) == FID_ADDR_IP_PREF)
640  {
641  ip_prefix_t *ippref = &fid_addr_ippref (dst);
642  ip_prefix_len (ippref) = LCAF_SD_DST_ML (sd_hdr);
643  }
644  return size;
645 }
646 
647 u16
649 {
650  lcaf_t lcaf;
651  u16 size = sizeof (u16); /* skip AFI */
652 
653  size += lcaf_hdr_parse (p + size, &lcaf);
654 
655  if (LCAF_SOURCE_DEST != lcaf_type (&lcaf))
656  return ~0;
657 
658  INC (size, sd_parse (p + size, a));
659  return size;
660 }
661 
662 u16
663 vni_parse (u8 * p, void *a)
664 {
665  lcaf_t *lcaf = a;
666  gid_address_t *g = a;
667  u16 size = 0;
668 
669  gid_address_vni (g) = clib_net_to_host_u32 (*(u32 *) p);
670  size += sizeof (u32);
671  gid_address_vni_mask (g) = lcaf_vni_len (lcaf);
672 
673  /* nested LCAFs are not supported except of src/dst with vni - to handle
674  * such case look at the next AFI and process src/dest LCAF separately */
675  u16 afi = clib_net_to_host_u16 (*((u16 *) (p + size)));
676  if (LISP_AFI_LCAF == afi)
677  {
678  INC (size, try_parse_src_dst_lcaf (p + size, g));
679  }
680  else
681  INC (size, gid_address_parse (p + size, g));
682 
683  return size;
684 }
685 
686 u16
687 no_addr_parse (u8 * p, void *a)
688 {
689  /* do nothing */
690  return 0;
691 }
692 
693 u32
695 {
696  /* skip AFI type */
697  offset += sizeof (u16);
698  lcaf_t *lcaf = &gid_address_lcaf (addr);
699 
700  u32 size = lcaf_hdr_parse (offset, lcaf);
701  u8 type = lcaf_type (lcaf);
702 
703  if (!lcaf_parse_fcts[type])
704  {
705  clib_warning ("Unsupported LCAF type: %u", type);
706  return ~0;
707  }
708  INC (size, (*lcaf_parse_fcts[type]) (offset + size, lcaf));
709  return sizeof (u16) + size;
710 }
711 
712 void
713 vni_free (void *a)
714 {
715  vni_t *v = a;
717  clib_mem_free (vni_gid (v));
718 }
719 
720 void
722 {
723  /* nothing to do */
724 }
725 
726 void
727 sd_free (void *a)
728 {
729  /* nothing */
730 }
731 
732 void
734 {
735  if (gid_address_type (a) != GID_ADDR_LCAF)
736  return;
737 
738  lcaf_t *lcaf = &gid_address_lcaf (a);
739  u8 lcaf_type = lcaf_type (lcaf);
740  (*lcaf_free_fcts[lcaf_type]) (lcaf);
741 }
742 
743 void
745 {
746  clib_memset (g, 0, sizeof (g[0]));
748  gid_address_ippref_len (g) = 32;
749 }
750 
751 void *
753 {
754  return &gid_address_ippref (a);
755 }
756 
757 u16
759 {
760  ip_prefix_t *a = (ip_prefix_t *) pref;
762 }
763 
764 u16
765 ip_prefix_write (u8 * p, void *gid)
766 {
767  gid_address_t *g = gid;
769 
770  switch (ip_prefix_version (a))
771  {
772  case AF_IP4:
773  return ip4_address_put (p, &ip_prefix_v4 (a));
774  break;
775  case AF_IP6:
776  return ip6_address_put (p, &ip_prefix_v6 (a));
777  break;
778  }
779  return 0;
780 }
781 
782 void
783 mac_copy (void *dst, void *src)
784 {
785  clib_memcpy (dst, src, 6);
786 }
787 
788 void
789 sd_copy (void *dst, void *src)
790 {
791  clib_memcpy (dst, src, sizeof (source_dest_t));
792 }
793 
794 void
795 nsh_copy (void *dst, void *src)
796 {
797  clib_memcpy (dst, src, sizeof (nsh_t));
798 }
799 
800 void
801 no_addr_copy (void *dst, void *src)
802 {
803  /* nothing to do */
804 }
805 
806 void
807 vni_copy (void *dst, void *src)
808 {
809  vni_t *vd = dst;
810  vni_t *vs = src;
811 
812  clib_memcpy (vd, vs, sizeof (vd[0]));
813  vni_gid (vd) = clib_mem_alloc (sizeof (gid_address_t));
814  gid_address_copy (vni_gid (vd), vni_gid (vs));
815 }
816 
817 void
818 lcaf_copy (void *dst, void *src)
819 {
820  lcaf_t *lcaf_dst = dst;
821  lcaf_t *lcaf_src = src;
822 
823  lcaf_type (lcaf_dst) = lcaf_type (lcaf_src);
824  (*lcaf_copy_fcts[lcaf_type (lcaf_src)]) (dst, src);
825 }
826 
827 u8
828 lcaf_length (void *a)
829 {
830  return 0;
831 }
832 
833 u8
834 mac_length (void *a)
835 {
836  return 0;
837 }
838 
839 u8
840 sd_length (void *a)
841 {
842  return 0;
843 }
844 
845 u8
846 nsh_length (void *a)
847 {
848  return 0;
849 }
850 
851 void *
853 {
854  return &gid_address_lcaf (a);
855 }
856 
857 void *
859 {
860  return &gid_address_mac (a);
861 }
862 
863 void *
865 {
866  return (void *) a;
867 }
868 
869 void *
871 {
872  return &gid_address_sd (a);
873 }
874 
875 void *
877 {
878  return &gid_address_nsh (a);
879 }
880 
881 u8
883 {
884  return 0;
885 }
886 
887 u8
888 vni_length (void *a)
889 {
890  vni_t *v = a;
891  return (sizeof (u32) /* VNI size */
892  + gid_address_size_to_put (vni_gid (v)) /* vni body size */ );
893 }
894 
895 u16
896 lcaf_write (u8 * p, void *a)
897 {
898  u16 size = 0, len;
899  lcaf_t *lcaf = a;
900  u8 type = lcaf_type (lcaf);
901  lcaf_hdr_t _h, *h = &_h;
902 
903  *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_LCAF);
904  size += sizeof (u16);
905  clib_memset (h, 0, sizeof (h[0]));
906  LCAF_TYPE (h) = type;
907  u16 lcaf_len = (*lcaf_body_length_fcts[type]) (lcaf);
908  LCAF_LENGTH (h) = clib_host_to_net_u16 (lcaf_len);
909 
910  clib_memcpy (p + size, h, sizeof (h[0]));
911  size += sizeof (h[0]);
912  len = (*lcaf_write_fcts[type]) (p + size, lcaf);
913 
914  if ((u16) ~ 0 == len)
915  return ~0;
916 
917  return size + len;
918 }
919 
920 u16
921 mac_write (u8 * p, void *a)
922 {
923  *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_MAC);
924  clib_memcpy (p + sizeof (u16), a, 6);
925  return mac_size_to_write (a);
926 }
927 
928 static u16
930 {
931  switch (fid_addr_type (a))
932  {
933  case FID_ADDR_IP_PREF:
934  return ip_prefix_write (p, &fid_addr_ippref (a));
935 
936  case FID_ADDR_MAC:
937  return mac_write (p, &fid_addr_mac (a));
938 
939  default:
940  return ~0;
941  }
942  return ~0;
943 }
944 
945 static u8
947 {
948  switch (fid_addr_type (a))
949  {
950  case FID_ADDR_IP_PREF:
951  return ip_prefix_length (&fid_addr_ippref (a));
952  case FID_ADDR_MAC:
953  return 0;
954  case FID_ADDR_NSH:
955  return 0;
956  }
957  return 0;
958 }
959 
960 u16
961 sd_write (u8 * p, void *a)
962 {
963  source_dest_t *sd = a;
964  u16 size = 0;
965  lcaf_hdr_t _h, *h = &_h;
966  lcaf_src_dst_hdr_t sd_hdr;
967 
968  *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_LCAF);
969  size += sizeof (u16);
970  clib_memset (h, 0, sizeof (h[0]));
972  u16 lcaf_len = sizeof (lcaf_src_dst_hdr_t)
974  + fid_addr_size_to_write (&sd_dst (sd));
975  LCAF_LENGTH (h) = clib_host_to_net_u16 (lcaf_len);
976 
977  clib_memcpy (p + size, h, sizeof (h[0]));
978  size += sizeof (h[0]);
979 
980  clib_memset (&sd_hdr, 0, sizeof (sd_hdr));
981  LCAF_SD_SRC_ML (&sd_hdr) = fid_address_length (&sd_src (sd));
982  LCAF_SD_DST_ML (&sd_hdr) = fid_address_length (&sd_dst (sd));
983  clib_memcpy (p + size, &sd_hdr, sizeof (sd_hdr));
984  size += sizeof (sd_hdr);
985 
986  u16 len = fid_addr_write (p + size, &sd_src (sd));
987  if ((u16) ~ 0 == len)
988  return ~0;
989  size += len;
990 
991  len = fid_addr_write (p + size, &sd_dst (sd));
992  if ((u16) ~ 0 == len)
993  return ~0;
994  size += len;
995 
996  return size;
997 }
998 
999 u16
1000 nsh_write (u8 * p, void *a)
1001 {
1003  lcaf_hdr_t lcaf;
1004  gid_address_t *g = a;
1005  u16 size = 0;
1006 
1008 
1009  clib_memset (&lcaf, 0, sizeof (lcaf));
1010  clib_memset (&spi, 0, sizeof (spi));
1011 
1012  LCAF_TYPE (&lcaf) = LCAF_NSH;
1013  LCAF_LENGTH (&lcaf) = clib_host_to_net_u16 (sizeof (lcaf_spi_hdr_t));
1014 
1015  u32 s = clib_host_to_net_u32 (gid_address_nsh_spi (g) << 8 |
1016  gid_address_nsh_si (g));
1017  LCAF_SPI_SI (&spi) = s;
1018 
1019  *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_LCAF);
1020  size += sizeof (u16);
1021 
1022  clib_memcpy (p + size, &lcaf, sizeof (lcaf));
1023  size += sizeof (lcaf);
1024 
1025  clib_memcpy (p + size, &spi, sizeof (spi));
1026  size += sizeof (spi);
1027 
1028  return size;
1029 }
1030 
1031 u16
1032 vni_write (u8 * p, void *a)
1033 {
1034  lcaf_hdr_t _h, *h = &_h;
1035  gid_address_t *g = a;
1036  u16 size = 0, len;
1037 
1038  /* put lcaf header */
1039  *(u16 *) p = clib_host_to_net_u16 (LISP_AFI_LCAF);
1040  size += sizeof (u16);
1041  clib_memset (h, 0, sizeof (h[0]));
1043  u16 lcaf_len = sizeof (u32) /* Instance ID size */
1045  LCAF_LENGTH (h) = clib_host_to_net_u16 (lcaf_len);
1046  LCAF_RES2 (h) = gid_address_vni_mask (g);
1047 
1048  /* put vni header */
1049  clib_memcpy (p + size, h, sizeof (h[0]));
1050  size += sizeof (h[0]);
1051 
1052  u32 *afip = (u32 *) (p + size);
1053  afip[0] = clib_host_to_net_u32 (gid_address_vni (g));
1054  size += sizeof (u32);
1055 
1057  /* write src/dst LCAF */
1058  {
1059  len = sd_write (p + size, g);
1060  if ((u16) ~ 0 == len)
1061  return ~0;
1062  }
1063  else
1064  /* write the actual address */
1065  len = gid_address_put_no_vni (p + size, g);
1066 
1067  if ((u16) ~ 0 == len)
1068  return ~0;
1069 
1070  return size + len;
1071 }
1072 
1073 u16
1074 no_addr_write (u8 * p, void *a)
1075 {
1076  /* do nothing; return AFI field size */
1077  return sizeof (u16);
1078 }
1079 
1080 u16
1082 {
1083  return sizeof (u16); /* AFI field length */
1084 }
1085 
1086 static u16
1088 {
1089  switch (fid_addr_type (a))
1090  {
1091  case FID_ADDR_IP_PREF:
1092  return ip_prefix_size_to_write (a);
1093 
1094  case FID_ADDR_MAC:
1095  return mac_size_to_write (a);
1096 
1097  default:
1098  break;
1099  }
1100  return 0;
1101 }
1102 
1103 u16
1105 {
1106  gid_address_t *g = a;
1107 
1108  u16 lcaf_size = sizeof (u32) + sizeof (u16) /* LCAF AFI field size */
1109  + sizeof (lcaf_hdr_t);
1110 
1112  /* special case where nested LCAF is supported */
1113  return lcaf_size + sd_size_to_write (g);
1114  else
1115  return lcaf_size + gid_address_size_to_put_no_vni (g);
1116 }
1117 
1118 u16
1120 {
1121  lcaf_t *lcaf = (lcaf_t *) a;
1122  u32 size = 0, len;
1123  u8 type = lcaf_type (lcaf);
1124 
1125  size += sizeof (u16); /* AFI size */
1126 
1127  len = (*lcaf_size_to_write_fcts[type]) (lcaf);
1128  if (~0 == len)
1129  return ~0;
1130 
1131  return size + len;
1132 }
1133 
1134 u16
1136 {
1137  source_dest_t *sd = a;
1138  return sizeof (u16)
1139  + sizeof (lcaf_hdr_t)
1140  + sizeof (lcaf_src_dst_hdr_t)
1141  + fid_addr_size_to_write (&sd_src (sd))
1142  + fid_addr_size_to_write (&sd_dst (sd));
1143 }
1144 
1145 u16
1147 {
1148  return sizeof (u16) + 6;
1149 }
1150 
1151 u16
1153 {
1154  return sizeof (u16) + sizeof (lcaf_hdr_t) + sizeof (lcaf_spi_hdr_t);
1155 }
1156 
1157 u8
1159 {
1161  return (*addr_len_fcts[type]) ((*cast_fcts[type]) (a));
1162 }
1163 
1164 static u16
1166 {
1168  return (*write_fcts[type]) (b, (*cast_fcts[type]) (gid));
1169 }
1170 
1171 u16
1173 {
1174  if (0 != gid_address_vni (gid))
1175  return vni_write (b, gid);
1176 
1177  return gid_address_put_no_vni (b, gid);
1178 }
1179 
1180 static u16
1182 {
1184  return (*size_to_write_fcts[type]) ((*cast_fcts[type]) (gid));
1185 }
1186 
1187 u16
1189 {
1190  if (0 != gid_address_vni (gid))
1191  return vni_size_to_write (gid);
1192 
1193  return gid_address_size_to_put_no_vni (gid);
1194 }
1195 
1196 void *
1198 {
1199  return (*cast_fcts[type]) (gid);
1200 }
1201 
1202 void
1204 {
1206  (*copy_fcts[type]) ((*cast_fcts[type]) (dst), (*cast_fcts[type]) (src));
1207  gid_address_type (dst) = type;
1208  gid_address_vni (dst) = gid_address_vni (src);
1210 }
1211 
1212 u32
1214 {
1215  /* skip AFI field */
1216  offset += sizeof (u16);
1217 
1218  clib_memcpy (a, offset, 6);
1219  return sizeof (u16) + 6;
1220 }
1221 
1222 u32
1224 {
1225  lisp_afi_e afi;
1226  u16 len = 0;
1227 
1228  ASSERT (a);
1229 
1230  /* NOTE: since gid_address_parse may be called by vni_parse, we can't 0
1231  * the gid address here */
1232  afi = clib_net_to_host_u16 (*((u16 *) offset));
1233 
1234  switch (afi)
1235  {
1236  case LISP_AFI_NO_ADDR:
1237  len = sizeof (u16);
1239  break;
1240  case LISP_AFI_IP:
1241  len = ip_address_parse (offset, afi, &gid_address_ip (a));
1243  /* this should be modified outside if needed */
1244  gid_address_ippref_len (a) = 32;
1245  break;
1246  case LISP_AFI_IP6:
1247  len = ip_address_parse (offset, afi, &gid_address_ip (a));
1249  /* this should be modified outside if needed */
1250  gid_address_ippref_len (a) = 128;
1251  break;
1252  case LISP_AFI_LCAF:
1254  len = lcaf_parse (offset, a);
1255  break;
1256  case LISP_AFI_MAC:
1257  len = mac_parse (offset, gid_address_mac (a));
1259  break;
1260  default:
1261  clib_warning ("LISP AFI %d not supported!", afi);
1262  return ~0;
1263  }
1264  return (len == (u16) ~ 0) ? ~0 : len;
1265 }
1266 
1267 void
1269 {
1270  gid_address_ippref_len (dst) = ip_address_max_len (version);
1271  ip_address_set (&gid_address_ip (dst), src, version);
1272 }
1273 
1274 int
1275 no_addr_cmp (void *a1, void *a2)
1276 {
1277  return 0;
1278 }
1279 
1280 int
1281 vni_cmp (void *a1, void *a2)
1282 {
1283  vni_t *v1 = a1;
1284  vni_t *v2 = a2;
1285 
1286  if (vni_mask_len (v1) != vni_mask_len (v2))
1287  return -1;
1288  if (vni_vni (v1) != vni_vni (v2))
1289  return -1;
1290  return gid_address_cmp (vni_gid (v1), vni_gid (v2));
1291 }
1292 
1293 static int
1294 mac_cmp (void *a1, void *a2)
1295 {
1296  return memcmp (a1, a2, 6);
1297 }
1298 
1299 static int
1301 {
1302  if (fid_addr_type (a1) != fid_addr_type (a2))
1303  return -1;
1304 
1305  switch (fid_addr_type (a1))
1306  {
1307  case FID_ADDR_IP_PREF:
1308  return ip_prefix_cmp (&fid_addr_ippref (a1), &fid_addr_ippref (a2));
1309 
1310  case FID_ADDR_MAC:
1311  return mac_cmp (fid_addr_mac (a1), fid_addr_mac (a2));
1312 
1313  default:
1314  return -1;
1315  }
1316  return -1;
1317 }
1318 
1319 int
1320 sd_cmp (void *a1, void *a2)
1321 {
1322  source_dest_t *sd1 = a1;
1323  source_dest_t *sd2 = a2;
1324 
1325  if (fid_addr_cmp (&sd_dst (sd1), &sd_dst (sd2)))
1326  return -1;
1327  if (fid_addr_cmp (&sd_src (sd1), &sd_src (sd2)))
1328  return -1;
1329  return 0;
1330 }
1331 
1332 /* Compare two gid_address_t.
1333  * Returns:
1334  * -1: If they are from different afi
1335  * 0: Both address are the same
1336  * 1: Addr1 is bigger than addr2
1337  * 2: Addr2 is bigger than addr1
1338  */
1339 int
1341 {
1342  lcaf_t *lcaf1, *lcaf2;
1343  int cmp = -1;
1344  if (!a1 || !a2)
1345  return -1;
1346  if (gid_address_type (a1) != gid_address_type (a2))
1347  return -1;
1348  if (gid_address_vni (a1) != gid_address_vni (a2))
1349  return -1;
1350 
1351  /* TODO vni mask is not supported, disable comparing for now
1352  if (gid_address_vni_mask (a1) != gid_address_vni_mask (a2))
1353  return -1;
1354  */
1355 
1356  switch (gid_address_type (a1))
1357  {
1358  case GID_ADDR_NO_ADDRESS:
1359  if (a1 == a2)
1360  cmp = 0;
1361  else
1362  cmp = 2;
1363  break;
1364  case GID_ADDR_IP_PREFIX:
1365  cmp =
1367  break;
1368  case GID_ADDR_LCAF:
1369  lcaf1 = &gid_address_lcaf (a1);
1370  lcaf2 = &gid_address_lcaf (a2);
1371  if (lcaf_type (lcaf1) == lcaf_type (lcaf2))
1372  cmp = (*lcaf_cmp_fcts[lcaf_type (lcaf1)]) (lcaf1, lcaf2);
1373  break;
1374  case GID_ADDR_MAC:
1375  cmp = mac_cmp (gid_address_mac (a1), gid_address_mac (a2));
1376  break;
1377 
1378  case GID_ADDR_SRC_DST:
1379  cmp = sd_cmp (&gid_address_sd (a1), &gid_address_sd (a2));
1380  break;
1381  case GID_ADDR_NSH:
1382  cmp = nsh_cmp (&gid_address_nsh (a1), &gid_address_nsh (a2));
1383  break;
1384  default:
1385  break;
1386  }
1387 
1388  return cmp;
1389 }
1390 
1391 u32
1392 locator_parse (void *b, locator_t * loc)
1393 {
1394  locator_hdr_t *h;
1395  u8 status = 1; /* locator up */
1396  int len;
1397 
1398  h = b;
1399  if (!LOC_REACHABLE (h) && LOC_LOCAL (h))
1400  status = 0;
1401 
1402  len = gid_address_parse (LOC_ADDR (h), &loc->address);
1403  if (len == ~0)
1404  return len;
1405 
1406  loc->state = status;
1407  loc->local = 0;
1408  loc->probed = 0;
1409  loc->priority = LOC_PRIORITY (h);
1410  loc->weight = LOC_WEIGHT (h);
1411  loc->mpriority = LOC_MPRIORITY (h);
1412  loc->mweight = LOC_MWEIGHT (h);
1413 
1414  return sizeof (locator_hdr_t) + len;
1415 }
1416 
1417 void
1419 {
1420  /* TODO if gid become more complex, this will need to be changed! */
1421  clib_memcpy (dst, src, sizeof (*dst));
1422  if (!src->local)
1423  gid_address_copy (&dst->address, &src->address);
1424 }
1425 
1426 u32
1428 {
1429  u32 ret = 0;
1430  if ((ret = gid_address_cmp (&l1->address, &l2->address)) != 0)
1431  return 1;
1432 
1433  if (l1->priority != l2->priority)
1434  return 1;
1435  if (l1->weight != l2->weight)
1436  return 1;
1437  if (l1->mpriority != l2->mpriority)
1438  return 1;
1439  if (l1->mweight != l2->mweight)
1440  return 1;
1441  return 0;
1442 }
1443 
1444 void
1446 {
1447  if (!l->local)
1448  gid_address_free (&l->address);
1449 }
1450 
1451 void
1453 {
1454  clib_memset (sd, 0, sizeof (*sd));
1456  gid_address_vni (sd) = gid_address_vni (dst);
1458 
1459  switch (gid_address_type (dst))
1460  {
1461  case GID_ADDR_IP_PREFIX:
1465  &gid_address_ippref (src));
1467  &gid_address_ippref (dst));
1468  break;
1469  case GID_ADDR_MAC:
1474  break;
1475  default:
1476  clib_warning ("Unsupported gid type %d while conversion!",
1477  gid_address_type (dst));
1478  break;
1479  }
1480 }
1481 
1482 /*
1483  * fd.io coding-style-patch-verification: ON
1484  *
1485  * Local Variables:
1486  * eval: (c-set-style "gnu")
1487  * End:
1488  */
size_to_write_fct size_to_write_fcts[GID_ADDR_TYPES]
Definition: lisp_types.c:33
u32 spi
void vni_copy(void *dst, void *src)
Definition: lisp_types.c:807
#define INC(dst, exp)
Definition: lisp_types.c:577
static u16 gid_address_size_to_put_no_vni(gid_address_t *gid)
Definition: lisp_types.c:1181
u8 * format_hmac_key_id(u8 *s, va_list *args)
Definition: lisp_types.c:342
#define gid_address_type(_a)
Definition: lisp_types.h:203
cast_fct cast_fcts[GID_ADDR_TYPES]
Definition: lisp_types.c:43
u16 no_addr_parse(u8 *p, void *a)
Definition: lisp_types.c:687
vl_api_mac_address_t mac
Definition: l2.api:491
a
Definition: bitmap.h:538
#define ip_prefix_addr(_a)
Definition: ip_types.h:74
void ip_address_set(ip_address_t *dst, const void *src, u8 version)
Definition: ip_types.c:152
gid_address_type_t
Definition: lisp_types.h:35
addr_len_fct lcaf_body_length_fcts[LCAF_TYPES]
Definition: lisp_types.c:102
uword unformat_nsh_address(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:145
static lisp_afi_e ip_version_to_iana_afi(u16 version)
Definition: lisp_types.c:390
#define LCAF_TYPE(h)
void sd_copy(void *dst, void *src)
Definition: lisp_types.c:789
void * ip_prefix_cast(gid_address_t *a)
Definition: lisp_types.c:752
option version
Definition: sample.api:19
struct _lcaf_spi_hdr_t lcaf_spi_hdr_t
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
static int mac_cmp(void *a1, void *a2)
Definition: lisp_types.c:1294
#define LOC_LOCAL(h_)
u16 ip_version_to_size(u8 ver)
Definition: ip_types.c:137
u16 vni_parse(u8 *p, void *a)
Definition: lisp_types.c:663
u16 ip_prefix_write(u8 *p, void *gid)
Definition: lisp_types.c:765
u8 * format_nsh_address(u8 *s, va_list *args)
Definition: lisp_types.c:152
#define gid_address_sd_src_mac(_a)
Definition: lisp_types.h:218
#define fid_addr_nsh(_a)
Definition: lisp_types.h:86
#define gid_address_sd(_a)
Definition: lisp_types.h:219
u8 * format_fid_nsh_address(u8 *s, va_list *args)
Definition: lisp_types.c:159
#define LOC_ADDR(h_)
vl_api_address_t src
Definition: gre.api:60
u16 ip_address_size(const ip_address_t *a)
Definition: ip_types.c:83
int no_addr_cmp(void *a1, void *a2)
Definition: lisp_types.c:1275
#define gid_address_sd_src_ippref(_a)
Definition: lisp_types.h:216
int i
u8 mpriority
Definition: lisp_types.h:271
u16 sd_parse(u8 *p, void *a)
Definition: lisp_types.c:618
#define vni_vni(_a)
Definition: lisp_types.h:112
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
#define gid_address_lcaf(_a)
Definition: lisp_types.h:208
static u16 fid_addr_write(u8 *p, fid_address_t *a)
Definition: lisp_types.c:929
#define gid_address_sd_dst_mac(_a)
Definition: lisp_types.h:217
int sd_cmp(void *a1, void *a2)
Definition: lisp_types.c:1320
#define ip_prefix_v6(_a)
Definition: ip_types.h:78
int nsh_cmp(void *a1, void *a2)
Definition: lisp_types.c:605
#define LCAF_SD_DST_ML(_h)
#define ip_prefix_v4(_a)
Definition: ip_types.h:77
#define ip_addr_version(_a)
Definition: ip_types.h:52
void * sd_cast(gid_address_t *a)
Definition: lisp_types.c:870
uword unformat_hmac_key_id(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:247
vhost_vring_addr_t addr
Definition: vhost_user.h:147
unsigned char u8
Definition: types.h:56
#define fid_addr_mac(_a)
Definition: lisp_types.h:85
void gid_address_from_ip(gid_address_t *g, ip_address_t *ip)
Definition: lisp_types.c:744
void lcaf_copy(void *dst, void *src)
Definition: lisp_types.c:818
#define LOC_REACHABLE(h_)
u16 nsh_write(u8 *p, void *a)
Definition: lisp_types.c:1000
ip_prefix_t ippref
Definition: lisp_types.h:73
#define clib_memcpy(d, s, n)
Definition: string.h:180
void nsh_copy(void *dst, void *src)
Definition: lisp_types.c:795
uword unformat_negative_mapping_action(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:313
serdes_fct lcaf_write_fcts[LCAF_TYPES]
Definition: lisp_types.c:130
u32 locator_parse(void *b, locator_t *loc)
Definition: lisp_types.c:1392
void * lcaf_cast(gid_address_t *a)
Definition: lisp_types.c:852
#define LOC_MWEIGHT(h_)
u16 gid_address_put(u8 *b, gid_address_t *gid)
Definition: lisp_types.c:1172
u16 gid_address_size_to_put(gid_address_t *gid)
Definition: lisp_types.c:1188
#define LCAF_SPI_SI(_h)
void no_addr_free(void *a)
Definition: lisp_types.c:721
u32 spi
Definition: lisp_types.h:118
u16 nsh_size_to_write(void *a)
Definition: lisp_types.c:1152
u32 ip6_address_put(u8 *b, ip6_address_t *a)
Definition: lisp_types.c:461
u16 sd_size_to_write(void *a)
Definition: lisp_types.c:1135
free_fct lcaf_free_fcts[LCAF_TYPES]
Definition: lisp_types.c:116
void ip_prefix_copy(void *dst, void *src)
Definition: ip_types.c:252
void locator_copy(locator_t *dst, locator_t *src)
Definition: lisp_types.c:1418
int vni_cmp(void *a1, void *a2)
Definition: lisp_types.c:1281
u32 ip_address_parse(void *offset, u16 iana_afi, ip_address_t *dst)
Definition: lisp_types.c:480
#define gid_address_sd_src(_a)
Definition: lisp_types.h:220
#define vni_mask_len(_a)
Definition: lisp_types.h:113
unsigned int u32
Definition: types.h:88
#define vni_gid(_a)
Definition: lisp_types.h:114
u8 type
Definition: lisp_types.h:146
void *(* cast_fct)(gid_address_t *)
Definition: lisp_types.c:26
u16 try_parse_src_dst_lcaf(u8 *p, gid_address_t *a)
Definition: lisp_types.c:648
static u8 fid_address_length(fid_address_t *a)
Definition: lisp_types.c:946
void gid_to_dp_address(gid_address_t *g, dp_address_t *d)
Definition: lisp_types.c:489
vl_api_fib_path_type_t type
Definition: fib_types.api:123
u16 vni_size_to_write(void *a)
Definition: lisp_types.c:1104
u16 nsh_parse(u8 *p, void *a)
Definition: lisp_types.c:592
#define LOC_PRIORITY(h_)
#define gid_address_arp_ndp_ip(_a)
Definition: lisp_types.h:226
u8 * format_negative_mapping_action(u8 *s, va_list *args)
Definition: lisp_types.c:360
u8(* addr_len_fct)(void *)
Definition: lisp_types.c:28
#define gid_address_mac(_a)
Definition: lisp_types.h:209
struct _unformat_input_t unformat_input_t
unsigned short u16
Definition: types.h:57
u16(* serdes_fct)(u8 *, void *)
Definition: lisp_types.c:27
void * nsh_cast(gid_address_t *a)
Definition: lisp_types.c:876
struct _lcaf_src_dst_hdr_t lcaf_src_dst_hdr_t
u64 size
Definition: vhost_user.h:140
void vni_free(void *a)
Definition: lisp_types.c:713
u32 lcaf_hdr_parse(void *offset, lcaf_t *lcaf)
Definition: lisp_types.c:527
void gid_address_free(gid_address_t *a)
Definition: lisp_types.c:733
#define gid_address_sd_dst_type(_a)
Definition: lisp_types.h:223
uword unformat_gid_address(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:272
#define always_inline
Definition: ipsec.h:28
u8 * format_gid_address(u8 *s, va_list *args)
Definition: lisp_types.c:187
u8 sd_length(void *a)
Definition: lisp_types.c:840
u16 mac_size_to_write(void *a)
Definition: lisp_types.c:1146
vl_api_address_t dst
Definition: gre.api:61
serdes_fct lcaf_parse_fcts[LCAF_TYPES]
Definition: lisp_types.c:137
lisp_afi_e
Definition: lisp_types.h:181
u32 ip_address_put(u8 *b, ip_address_t *a)
Definition: lisp_types.c:470
u16 ip4_address_size_to_put()
Definition: lisp_types.c:438
#define gid_address_ippref(_a)
Definition: lisp_types.h:204
u8 len
Definition: ip_types.api:91
u8 lcaf_length(void *a)
Definition: lisp_types.c:828
u16 lcaf_size_to_write(void *a)
Definition: lisp_types.c:1119
u16(* size_to_write_fct)(void *)
Definition: lisp_types.c:25
#define sd_dst(_a)
Definition: lisp_types.h:96
cmp_fct lcaf_cmp_fcts[LCAF_TYPES]
Definition: lisp_types.c:94
u8 * format_ip_prefix(u8 *s, va_list *args)
Definition: ip_types.c:55
#define LCAF_RES2(h)
int gid_address_cmp(gid_address_t *a1, gid_address_t *a2)
Definition: lisp_types.c:1340
void gid_address_ip_set(gid_address_t *dst, void *src, u8 version)
Definition: lisp_types.c:1268
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:342
#define gid_address_ippref_len(_a)
Definition: lisp_types.h:205
#define clib_warning(format, args...)
Definition: error.h:59
u8 * format_ip_address(u8 *s, va_list *args)
Definition: ip_types.c:20
u16 sd_write(u8 *p, void *a)
Definition: lisp_types.c:961
u32 locator_cmp(locator_t *l1, locator_t *l2)
Definition: lisp_types.c:1427
static u16 fid_addr_size_to_write(fid_address_t *a)
Definition: lisp_types.c:1087
uword unformat_mac_address(unformat_input_t *input, va_list *args)
Definition: format.c:241
#define gid_address_nsh_si(_a)
Definition: lisp_types.h:212
addr_len_fct addr_len_fcts[GID_ADDR_TYPES]
Definition: lisp_types.c:48
fid_addr_type_t type
Definition: lisp_types.h:77
lisp_action_e
u8 no_addr_length(void *a)
Definition: lisp_types.c:882
u8 si
Definition: lisp_types.h:119
static int fid_addr_cmp(fid_address_t *a1, fid_address_t *a2)
Definition: lisp_types.c:1300
u8 nsh_length(void *a)
Definition: lisp_types.c:846
#define gid_address_arp_ndp_bd(_a)
Definition: lisp_types.h:225
#define fid_addr_ippref(_a)
Definition: lisp_types.h:82
size_to_write_fct lcaf_size_to_write_fcts[LCAF_TYPES]
Definition: lisp_types.c:123
struct _gid_address_t gid_address_t
struct _lcaf_hdr_t lcaf_hdr_t
void(* copy_fct)(void *, void *)
Definition: lisp_types.c:29
#define sd_src(_a)
Definition: lisp_types.h:97
#define ASSERT(truth)
#define fid_addr_type(_a)
Definition: lisp_types.h:87
#define gid_address_nsh(_a)
Definition: lisp_types.h:210
u8 mac_length(void *a)
Definition: lisp_types.c:834
#define gid_address_sd_dst(_a)
Definition: lisp_types.h:221
u16 no_addr_write(u8 *p, void *a)
Definition: lisp_types.c:1074
#define ip_addr_addr(_a)
Definition: ip_types.h:49
void * mac_cast(gid_address_t *a)
Definition: lisp_types.c:858
static u16 gid_address_put_no_vni(u8 *b, gid_address_t *gid)
Definition: lisp_types.c:1165
static void clib_mem_free(void *p)
Definition: mem.h:226
void * gid_address_cast(gid_address_t *gid, gid_address_type_t type)
Definition: lisp_types.c:1197
#define LCAF_LENGTH(h)
struct _locator_hdr locator_hdr_t
#define gid_address_sd_dst_ippref(_a)
Definition: lisp_types.h:215
void nsh_free(void *a)
Definition: lisp_types.c:586
static void * clib_mem_alloc(uword size)
Definition: mem.h:153
u8 vni_length(void *a)
Definition: lisp_types.c:888
u32 ip4_address_put(u8 *b, ip4_address_t *a)
Definition: lisp_types.c:452
u16 no_addr_size_to_write(void *a)
Definition: lisp_types.c:1081
void * no_addr_cast(gid_address_t *a)
Definition: lisp_types.c:864
#define foreach_lcaf_type
Definition: lisp_types.c:58
template key/value backing page structure
Definition: bihash_doc.h:44
#define lcaf_type(_a)
Definition: lisp_types.h:149
#define gid_address_ip(_a)
Definition: lisp_types.h:206
lisp_key_type_t
Definition: lisp_types.h:25
#define gid_address_vni(_a)
Definition: lisp_types.h:213
void(* free_fct)(void *)
Definition: lisp_types.c:30
u8 action
Definition: l2.api:173
#define LOC_WEIGHT(h_)
vl_api_address_t ip
Definition: l2.api:490
u32 mac_parse(u8 *offset, u8 *a)
Definition: lisp_types.c:1213
void locator_free(locator_t *l)
Definition: lisp_types.c:1445
#define lcaf_vni_len(_a)
Definition: lisp_types.h:151
u16 ip_address_size_to_write(ip_address_t *a)
Definition: lisp_types.c:420
u64 uword
Definition: types.h:112
u8 gid_address_len(gid_address_t *a)
Definition: lisp_types.c:1158
#define gid_address_nsh_spi(_a)
Definition: lisp_types.h:211
#define ip_prefix_len(_a)
Definition: ip_types.h:76
copy_fct lcaf_copy_fcts[LCAF_TYPES]
Definition: lisp_types.c:109
u8 ip_address_max_len(u8 version)
Definition: lisp_types.c:432
#define LOC_MPRIORITY(h_)
void gid_address_copy(gid_address_t *dst, gid_address_t *src)
Definition: lisp_types.c:1203
#define ip_prefix_version(_a)
Definition: ip_types.h:75
gid_address_t address
Definition: lisp_types.h:267
u8 * format_mac_address(u8 *s, va_list *args)
Definition: format.c:58
void mac_copy(void *dst, void *src)
Definition: lisp_types.c:783
u16 vni_write(u8 *p, void *a)
Definition: lisp_types.c:1032
struct clib_bihash_value offset
template key/value backing page structure
int(* cmp_fct)(void *, void *)
Definition: lisp_types.c:31
static u8 iana_afi_to_fid_addr_type(u16 type)
Definition: lisp_types.c:542
u16 ip_address_iana_afi(ip_address_t *a)
Definition: lisp_types.c:426
void sd_free(void *a)
Definition: lisp_types.c:727
void no_addr_copy(void *dst, void *src)
Definition: lisp_types.c:801
#define gid_address_sd_src_type(_a)
Definition: lisp_types.h:222
u32 gid_address_parse(u8 *offset, gid_address_t *a)
Definition: lisp_types.c:1223
#define gid_address_vni_mask(_a)
Definition: lisp_types.h:214
uword unformat_ip_prefix(unformat_input_t *input, va_list *args)
Definition: ip_types.c:63
u16 mac_write(u8 *p, void *a)
Definition: lisp_types.c:921
copy_fct copy_fcts[GID_ADDR_TYPES]
Definition: lisp_types.c:53
u16 lcaf_write(u8 *p, void *a)
Definition: lisp_types.c:896
static u8 ip_iana_afi_to_version(lisp_afi_e afi)
Definition: lisp_types.c:405
u8 ip_prefix_length(void *a)
Definition: lisp_types.c:384
u8 * format_fid_address(u8 *s, va_list *args)
Definition: lisp_types.c:166
void build_src_dst(gid_address_t *sd, gid_address_t *src, gid_address_t *dst)
Definition: lisp_types.c:1452
static u16 fid_addr_parse(u8 *p, fid_address_t *a)
Definition: lisp_types.c:557
#define LCAF_SD_SRC_ML(_h)
u16 ip_prefix_size_to_write(void *pref)
Definition: lisp_types.c:758
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:978
u16 ip6_address_size_to_put()
Definition: lisp_types.c:445
u32 lcaf_parse(void *offset, gid_address_t *addr)
Definition: lisp_types.c:694
serdes_fct write_fcts[GID_ADDR_TYPES]
Definition: lisp_types.c:38
int ip_prefix_cmp(ip_prefix_t *p1, ip_prefix_t *p2)
Definition: ip_types.c:258
uword unformat_fid_address(unformat_input_t *i, va_list *args)
Definition: lisp_types.c:218