FD.io VPP  v18.10-34-gcce845e
Vector Packet Processing
lisp_types.h
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2016 Cisco and/or its affiliates.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef VNET_LISP_GPE_LISP_TYPES_H_
17 #define VNET_LISP_GPE_LISP_TYPES_H_
18 
19 #include <vnet/ip/ip.h>
21 
22 #define SHA1_AUTH_DATA_LEN 20
23 #define SHA256_AUTH_DATA_LEN 32
24 
25 typedef enum
26 {
31 
32 uword unformat_hmac_key_id (unformat_input_t * input, va_list * args);
33 u8 *format_hmac_key_id (u8 * s, va_list * args);
34 
35 typedef enum
36 {
37  IP4,
40 
41 /* *INDENT-OFF* */
42 typedef CLIB_PACKED(struct ip_address
43 {
44  union
45  {
46  ip4_address_t v4;
47  ip6_address_t v6;
48  } ip;
49  u8 version;
50 }) ip_address_t;
51 /* *INDENT-ON* */
52 
53 #define ip_addr_addr(_a) (_a)->ip
54 #define ip_addr_v4(_a) (_a)->ip.v4
55 #define ip_addr_v6(_a) (_a)->ip.v6
56 #define ip_addr_version(_a) (_a)->version
57 
58 int ip_address_cmp (const ip_address_t * ip1, const ip_address_t * ip2);
60 void ip_address_copy_addr (void *dst, const ip_address_t * src);
61 void ip_address_set (ip_address_t * dst, const void *src, u8 version);
62 
63 /* *INDENT-OFF* */
64 typedef CLIB_PACKED(struct ip_prefix
65 {
67  u8 len;
68 }) ip_prefix_t;
69 /* *INDENT-ON* */
70 
71 #define ip_prefix_addr(_a) (_a)->addr
72 #define ip_prefix_version(_a) ip_addr_version(&ip_prefix_addr(_a))
73 #define ip_prefix_len(_a) (_a)->len
74 #define ip_prefix_v4(_a) ip_addr_v4(&ip_prefix_addr(_a))
75 #define ip_prefix_v6(_a) ip_addr_v6(&ip_prefix_addr(_a))
76 
77 void ip_prefix_normalize (ip_prefix_t * a);
78 
79 extern void ip_address_to_fib_prefix (const ip_address_t * addr,
81 extern void ip_prefix_to_fib_prefix (const ip_prefix_t * ipp,
82  fib_prefix_t * fibp);
83 
84 typedef enum
85 {
86  /* NOTE: ip addresses are left out on purpose. Use max masked ip-prefixes
87  * instead */
98 
99 typedef enum
100 {
101  /* make sure that values corresponds with RFC */
106  LCAF_NSH = 17,
108 } lcaf_type_t;
109 
110 typedef enum fid_addr_type_t_
111 {
115 } __attribute__ ((packed)) fid_addr_type_t;
116 
117 /* flat address type */
118 typedef struct
119 {
120  union
121  {
122  ip_prefix_t ippref;
123  u8 mac[6];
125  };
126  fid_addr_type_t type;
127 } fid_address_t;
128 
130 
131 #define fid_addr_ippref(_a) (_a)->ippref
132 #define fid_addr_prefix_length(_a) ip_prefix_len(&fid_addr_ippref(_a))
133 #define fid_addr_ip_version(_a) ip_prefix_version(&fid_addr_ippref(_a))
134 #define fid_addr_mac(_a) (_a)->mac
135 #define fid_addr_nsh(_a) (_a)->nsh
136 #define fid_addr_type(_a) (_a)->type
137 u8 *format_fid_address (u8 * s, va_list * args);
138 
139 typedef struct
140 {
143 } source_dest_t;
144 
145 #define sd_dst(_a) (_a)->dst
146 #define sd_src(_a) (_a)->src
147 #define sd_src_ippref(_a) fid_addr_ippref(&sd_src(_a))
148 #define sd_dst_ippref(_a) fid_addr_ippref(&sd_dst(_a))
149 #define sd_src_mac(_a) fid_addr_mac(&sd_src(_a))
150 #define sd_dst_mac(_a) fid_addr_mac(&sd_dst(_a))
151 #define sd_src_type(_a) fid_addr_type(&sd_src(_a))
152 #define sd_dst_type(_a) fid_addr_type(&sd_dst(_a))
153 
154 typedef struct
155 {
158  struct _gid_address_t *gid_addr;
159 } vni_t;
160 
161 #define vni_vni(_a) (_a)->vni
162 #define vni_mask_len(_a) (_a)->vni_mask_len
163 #define vni_gid(_a) (_a)->gid_addr
164 
165 typedef struct
166 {
169 } nsh_t;
170 
171 #define nsh_spi(_a) (_a)->spi
172 #define nsh_si(_a) (_a)->si
173 
174 typedef struct
175 {
179 
180 #define lcaf_arp_ndp_ip(_a) (_a)->addr
181 #define lcaf_arp_ndp_ip_ver(_a) ip_addr_version(&lcaf_arp_ndp_ip(_a))
182 #define lcaf_arp_ndp_ip4(_a) ip_addr_v4(&lcaf_arp_ndp_ip(_a))
183 #define lcaf_arp_ndp_ip6(_a) ip_addr_v6(&lcaf_arp_ndp_ip(_a))
184 #define lcaf_arp_ndp_bd(_a) (_a)->bd
185 
186 typedef struct
187 {
188  /* the union needs to be at the beginning! */
189  union
190  {
194  };
196 } lcaf_t;
197 
198 #define lcaf_type(_a) (_a)->type
199 #define lcaf_vni(_a) vni_vni(& (_a)->uni)
200 #define lcaf_vni_len(_a) vni_mask_len(& (_a)->uni)
201 
202 /* might want to expand this in the future :) */
203 typedef struct _gid_address_t
204 {
205  union
206  {
207  ip_prefix_t ippref;
208  lcaf_t lcaf;
209  u8 mac[6];
210  source_dest_t sd;
211  lcaf_arp_ndp_t arp_ndp;
212  nsh_t nsh;
213  };
214  u8 type;
215  u32 vni;
216  u8 vni_mask;
217 } gid_address_t;
218 
219 u8 *format_ip_address (u8 * s, va_list * args);
220 uword unformat_ip_address (unformat_input_t * input, va_list * args);
221 u8 *format_ip_prefix (u8 * s, va_list * args);
222 uword unformat_ip_prefix (unformat_input_t * input, va_list * args);
223 
228 
231 u8 ip_address_max_len (u8 ver);
232 u32 ip_address_put (u8 * b, ip_address_t * a);
233 void ip_address_to_46 (const ip_address_t * addr,
234  ip46_address_t * a, fib_protocol_t * proto);
235 
236 /* LISP AFI codes */
237 typedef enum
238 {
242  LISP_AFI_LCAF = 16387,
243  LISP_AFI_MAC = 16389
244 } lisp_afi_e;
245 
246 u8 *format_gid_address (u8 * s, va_list * args);
247 uword unformat_gid_address (unformat_input_t * input, va_list * args);
250 
252 u16 gid_address_put (u8 * b, gid_address_t * gid);
254 void *gid_address_cast (gid_address_t * gid, gid_address_type_t type);
258 
259 #define gid_address_type(_a) (_a)->type
260 #define gid_address_ippref(_a) (_a)->ippref
261 #define gid_address_ippref_len(_a) (_a)->ippref.len
262 #define gid_address_ip(_a) ip_prefix_addr(&gid_address_ippref(_a))
263 #define gid_address_ip_version(_a) ip_addr_version(&gid_address_ip(_a))
264 #define gid_address_lcaf(_a) (_a)->lcaf
265 #define gid_address_mac(_a) (_a)->mac
266 #define gid_address_nsh(_a) (_a)->nsh
267 #define gid_address_nsh_spi(_a) nsh_spi(&gid_address_nsh(_a))
268 #define gid_address_nsh_si(_a) nsh_si(&gid_address_nsh(_a))
269 #define gid_address_vni(_a) (_a)->vni
270 #define gid_address_vni_mask(_a) (_a)->vni_mask
271 #define gid_address_sd_dst_ippref(_a) sd_dst_ippref(&(_a)->sd)
272 #define gid_address_sd_src_ippref(_a) sd_src_ippref(&(_a)->sd)
273 #define gid_address_sd_dst_mac(_a) sd_dst_mac(&(_a)->sd)
274 #define gid_address_sd_src_mac(_a) sd_src_mac(&(_a)->sd)
275 #define gid_address_sd(_a) (_a)->sd
276 #define gid_address_sd_src(_a) sd_src(&gid_address_sd(_a))
277 #define gid_address_sd_dst(_a) sd_dst(&gid_address_sd(_a))
278 #define gid_address_sd_src_type(_a) sd_src_type(&gid_address_sd(_a))
279 #define gid_address_sd_dst_type(_a) sd_dst_type(&gid_address_sd(_a))
280 #define gid_address_arp_ndp(_a) (_a)->arp_ndp
281 #define gid_address_arp_ndp_bd(_a) lcaf_arp_ndp_bd(&gid_address_arp_ndp(_a))
282 #define gid_address_arp_ndp_ip(_a) lcaf_arp_ndp_ip(&gid_address_arp_ndp(_a))
283 #define gid_address_arp_ip4(_a) lcaf_arp_ndp_ip4(&gid_address_arp_ndp(_a))
284 #define gid_address_ndp_ip6(_a) lcaf_arp_ndp_ip6(&gid_address_arp_ndp(_a))
285 #define gid_address_ndp_bd gid_address_arp_ndp_bd
286 #define gid_address_arp_bd gid_address_arp_ndp_bd
287 
288 /* 'sub'address functions */
289 #define foreach_gid_address_type_fcns \
290  _(no_addr) \
291  _(ip_prefix) \
292  _(lcaf) \
293  _(mac) \
294  _(nsh) \
295  _(sd)
296 
297 /* *INDENT-OFF* */
298 #define _(_n) \
299 u16 _n ## _size_to_write (void * pref); \
300 u16 _n ## _write (u8 * p, void * pref); \
301 u8 _n ## _length (void *a); \
302 void * _n ## _cast (gid_address_t * a); \
303 void _n ## _copy (void * dst , void * src);
304 
306 #undef _
307 /* *INDENT-ON* */
308 
311 {
312  return (*((u64 *) m) & 0xffffffffffff);
313 }
314 
315 typedef struct
316 {
317  /* mark locator as local as opposed to remote */
320  union
321  {
324  };
330 } locator_t;
331 
332 u32 locator_parse (void *ptr, locator_t * loc);
334 u32 locator_cmp (locator_t * l1, locator_t * l2);
335 void locator_free (locator_t * l);
336 
337 typedef struct
338 {
339  /* locator-set name */
341 
342  /* vector of locator indices */
345 } locator_set_t;
346 
347 typedef struct
348 {
350 
351  /* index of local locator set */
352  union
353  {
355  locator_t *locators; /* used for map register message */
356  };
357 
360 
361  u8 authoritative:1;
362  u8 local:1;
363  /* valid only for remote mappings */
364  u8 is_static:1;
365  u8 pitr_set:1;
366  u8 nsh_set:1;
367  u8 almost_expired:1;
368  u8 delete_after_expiration:1;
369  u8 rsvd:1;
370 
371  u8 *key;
372  lisp_key_type_t key_id;
375 } mapping_t;
376 
377 uword
378 unformat_negative_mapping_action (unformat_input_t * input, va_list * args);
379 u8 *format_negative_mapping_action (u8 *, va_list * args);
380 
381 typedef struct locator_pair
382 {
383  /* local and remote locators (underlay attachment points) */
386 
390 
391 void
393 
395 void gid_to_dp_address (gid_address_t * g, dp_address_t * d);
396 
397 #endif /* VNET_LISP_GPE_LISP_TYPES_H_ */
398 
399 /*
400  * fd.io coding-style-patch-verification: ON
401  *
402  * Local Variables:
403  * eval: (c-set-style "gnu")
404  * End:
405  */
u8 vni_mask_len
Definition: lisp_types.h:156
u16 ip_address_iana_afi(ip_address_t *a)
Definition: lisp_types.c:527
void locator_free(locator_t *l)
Definition: lisp_types.c:1720
vl_api_address_t src
Definition: vxlan_gbp.api:33
boost::asio::ip::address ip_address_t
Definition: api_types.hpp:24
counter_t packets
Definition: lisp_types.h:374
u8 timer_set
Definition: lisp_types.h:373
fid_address_t dst
Definition: lisp_types.h:142
void gid_address_copy(gid_address_t *dst, gid_address_t *src)
Definition: lisp_types.c:1479
typedef CLIB_PACKED(struct ip_address{union{ip4_address_t v4;ip6_address_t v6;}ip;u8 version;}) ip_address_t
void ip_address_copy(ip_address_t *dst, const ip_address_t *src)
Definition: lisp_types.c:870
void build_src_dst(gid_address_t *sd, gid_address_t *src, gid_address_t *dst)
Definition: lisp_types.c:1727
gid_address_type_t
Definition: lisp_types.h:84
lcaf_type_t
Definition: lisp_types.h:99
uword unformat_hmac_key_id(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:309
vni_t uni
Definition: lisp_types.h:193
unsigned long u64
Definition: types.h:89
u16 gid_address_put(u8 *b, gid_address_t *gid)
Definition: lisp_types.c:1448
struct locator_pair locator_pair_t
void gid_to_dp_address(gid_address_t *g, dp_address_t *d)
Definition: lisp_types.c:590
u8 mpriority
Definition: lisp_types.h:327
u32 vni
Definition: lisp_types.h:157
u16 ip6_address_size_to_put()
Definition: lisp_types.c:546
uword unformat_ip_address(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:164
enum fid_addr_type_t_ fid_addr_type_t
u16 ip_address_size_to_write(ip_address_t *a)
Definition: lisp_types.c:521
u8 * format_negative_mapping_action(u8 *, va_list *args)
Definition: lisp_types.c:422
vhost_vring_addr_t addr
Definition: vhost_user.h:121
unsigned char u8
Definition: types.h:56
enum fib_protocol_t_ fib_protocol_t
Protocol Type.
ip_prefix_t ippref
Definition: lisp_types.h:122
u32 locator_parse(void *ptr, locator_t *loc)
Definition: lisp_types.c:1668
u32 spi
Definition: lisp_types.h:167
#define always_inline
Definition: clib.h:94
u32 gid_address_parse(u8 *offset, gid_address_t *a)
Definition: lisp_types.c:1499
uword unformat_negative_mapping_action(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:375
u8 * key
Definition: lisp_types.h:371
uint64_t counter_t
64bit counters
Definition: counter_types.h:22
Aggregrate type for a prefix.
Definition: fib_types.h:203
static foreach_gid_address_type_fcns u64 mac_to_u64(u8 *m)
Definition: lisp_types.h:310
unsigned int u32
Definition: types.h:88
u8 type
Definition: lisp_types.h:195
struct _gid_address_t * gid_addr
Definition: lisp_types.h:158
u8 gid_address_len(gid_address_t *a)
Definition: lisp_types.c:1434
struct _unformat_input_t unformat_input_t
unsigned short u16
Definition: types.h:57
ip_address_t lcl_loc
Definition: lisp_types.h:384
lisp_afi_e
Definition: lisp_types.h:237
void ip_address_to_fib_prefix(const ip_address_t *addr, fib_prefix_t *prefix)
convert from a LISP address to a FIB prefix
Definition: control.c:146
uword unformat_gid_address(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:334
u32 ip4_address_put(u8 *b, ip4_address_t *a)
Definition: lisp_types.c:553
u8 * format_ip_prefix(u8 *s, va_list *args)
Definition: lisp_types.c:179
void ip_address_copy_addr(void *dst, const ip_address_t *src)
Definition: lisp_types.c:886
u32 sw_if_index
Definition: lisp_types.h:322
u32 ip_address_put(u8 *b, ip_address_t *a)
Definition: lisp_types.c:571
vl_api_address_t dst
Definition: vxlan_gbp.api:34
int ip_address_cmp(const ip_address_t *ip1, const ip_address_t *ip2)
Definition: lisp_types.c:853
fid_addr_type_t_
Definition: lisp_types.h:110
u32 locator_set_index
Definition: lisp_types.h:354
void gid_address_free(gid_address_t *a)
Definition: lisp_types.c:834
u16 gid_address_size_to_put(gid_address_t *a)
Definition: lisp_types.c:1464
u8 * format_gid_address(u8 *s, va_list *args)
Definition: lisp_types.c:249
int gid_address_cmp(gid_address_t *a1, gid_address_t *a2)
Definition: lisp_types.c:1616
void ip_address_set(ip_address_t *dst, const void *src, u8 version)
Definition: lisp_types.c:892
void gid_address_ip_set(gid_address_t *dst, void *src, u8 version)
Definition: lisp_types.c:1544
lisp_key_type_t key_id
Definition: lisp_types.h:372
fid_addr_type_t type
Definition: lisp_types.h:126
u8 si
Definition: lisp_types.h:168
void ip_prefix_normalize(ip_prefix_t *a)
Definition: lisp_types.c:972
struct _gid_address_t gid_address_t
void * gid_address_cast(gid_address_t *gid, gid_address_type_t type)
Definition: lisp_types.c:1473
lcaf_arp_ndp_t arp_ndp
Definition: lisp_types.h:192
option version
Definition: memclnt.api:17
fid_address_t dp_address_t
Definition: lisp_types.h:129
void ip_prefix_to_fib_prefix(const ip_prefix_t *ipp, fib_prefix_t *fibp)
convert from a LISP to a FIB prefix
Definition: control.c:167
u8 ip_address_max_len(u8 ver)
Definition: lisp_types.c:533
u16 ip4_address_size_to_put()
Definition: lisp_types.c:539
template key/value backing page structure
Definition: bihash_doc.h:44
lisp_key_type_t
Definition: lisp_types.h:25
fid_address_t src
Definition: lisp_types.h:141
u8 * format_fid_address(u8 *s, va_list *args)
Definition: lisp_types.c:228
u8 * format_ip_address(u8 *s, va_list *args)
Definition: lisp_types.c:144
ip_address_t addr
Definition: lisp_types.h:176
u64 uword
Definition: types.h:112
u32 vni
Definition: vxlan_gbp.api:38
void gid_address_from_ip(gid_address_t *g, ip_address_t *ip)
Definition: lisp_types.c:845
u32 locator_cmp(locator_t *l1, locator_t *l2)
Definition: lisp_types.c:1702
Definition: lisp_types.h:37
gid_address_t eid
Definition: lisp_types.h:349
typedef prefix
Definition: ip_types.api:40
gid_address_t address
Definition: lisp_types.h:323
#define foreach_gid_address_type_fcns
Definition: lisp_types.h:289
ip_address_t rmt_loc
Definition: lisp_types.h:385
u32 ip6_address_put(u8 *b, ip6_address_t *a)
Definition: lisp_types.c:562
void locator_copy(locator_t *dst, locator_t *src)
Definition: lisp_types.c:1693
Definition: lisp_types.h:38
ip_address_type_t
Definition: lisp_types.h:35
void ip_address_to_46(const ip_address_t *addr, ip46_address_t *a, fib_protocol_t *proto)
Definition: lisp_types.c:899
source_dest_t sd
Definition: lisp_types.h:191
vl_api_mac_address_t mac
Definition: gbp.api:31
u32 * locator_indices
Definition: lisp_types.h:343
uword unformat_ip_prefix(unformat_input_t *input, va_list *args)
Definition: lisp_types.c:187
locator_t * locators
Definition: lisp_types.h:355
u8 * format_hmac_key_id(u8 *s, va_list *args)
Definition: lisp_types.c:404