6 #include <osmocom/core/msgb.h>
7 #include <osmocom/core/bit16gen.h>
8 #include <osmocom/core/bit32gen.h>
29 #define LV_GROSS_LEN(x) (x+1)
31 #define TLV_GROSS_LEN(x) (x+2)
33 #define TLV16_GROSS_LEN(x) ((2*x)+2)
35 #define TL16V_GROSS_LEN(x) (x+3)
37 #define L16TV_GROSS_LEN(x) (x+3)
40 #define TVLV_MAX_ONEBYTE 0x7f
84 static inline uint8_t *
lv_put(uint8_t *buf, uint8_t len,
88 memcpy(buf, val, len);
93 static inline uint8_t *
tlv_put(uint8_t *buf, uint8_t tag, uint8_t len,
98 memcpy(buf, val, len);
103 static inline uint8_t *
tlv16_put(uint8_t *buf, uint8_t tag, uint8_t len,
108 memcpy(buf, val, len*2);
113 static inline uint8_t *
tl16v_put(uint8_t *buf, uint8_t tag, uint16_t len,
119 memcpy(buf, val, len);
124 static inline uint8_t *
tvlv_put(uint8_t *buf, uint8_t tag, uint16_t len,
130 ret =
tlv_put(buf, tag, len, val);
139 static inline uint8_t *
vt_gan_put(uint8_t *buf, uint16_t tag)
143 *buf++ = 0x80 | (tag >> 8);
144 *buf++ = (tag & 0xff);
152 static inline uint8_t *vtvl_gan_put(uint8_t *buf, uint16_t tag, uint16_t len)
161 static inline uint8_t *vtvlv_gan_put(uint8_t *buf, uint16_t tag, uint16_t len,
166 ret = vtvl_gan_put(buf, tag, len );
168 memcpy(ret, val, len);
175 static inline uint8_t *
msgb_tlv16_put(
struct msgb *msg, uint8_t tag, uint8_t len,
const uint16_t *val)
182 static inline uint8_t *
msgb_tl16v_put(
struct msgb *msg, uint8_t tag, uint16_t len,
190 static inline uint8_t *
msgb_tvlv_put(
struct msgb *msg, uint8_t tag, uint16_t len,
194 return tvlv_put(buf, tag, len, val);
199 uint16_t len,
const uint8_t *val)
202 return vtvlv_gan_put(buf, tag, len, val);
206 static inline uint8_t *
msgb_l16tv_put(
struct msgb *msg, uint16_t len, uint8_t tag,
214 memcpy(buf, val, len);
219 static inline uint8_t *
v_put(uint8_t *buf, uint8_t val)
226 static inline uint8_t *
tv_put(uint8_t *buf, uint8_t tag,
236 unsigned int len,
const uint8_t *val)
239 memcpy(buf, val, len);
248 static inline uint8_t *
tv16_put(uint8_t *buf, uint8_t tag,
259 static inline uint8_t *
msgb_lv_put(
struct msgb *msg, uint8_t len,
const uint8_t *val)
262 return lv_put(buf, len, val);
267 static inline uint8_t *
msgb_tlv_put(
struct msgb *msg, uint8_t tag, uint8_t len,
const uint8_t *val)
270 return tlv_put(buf, tag, len, val);
275 static inline uint8_t *
msgb_tv_put(
struct msgb *msg, uint8_t tag, uint8_t val)
277 uint8_t *buf = msgb_put(msg, 2);
278 return tv_put(buf, tag, val);
284 unsigned int len,
const uint8_t *val)
286 uint8_t *buf = msgb_put(msg, 1+len);
292 static inline uint8_t *
msgb_v_put(
struct msgb *msg, uint8_t val)
294 uint8_t *buf = msgb_put(msg, 1);
295 return v_put(buf, val);
300 static inline uint8_t *
msgb_tv16_put(
struct msgb *msg, uint8_t tag, uint16_t val)
302 uint8_t *buf = msgb_put(msg, 3);
308 static inline uint8_t *
msgb_tlv_push(
struct msgb *msg, uint8_t tag, uint8_t len,
const uint8_t *val)
317 static inline uint8_t *
msgb_tv_push(
struct msgb *msg, uint8_t tag, uint8_t val)
319 uint8_t *buf = msgb_push(msg, 2);
326 static inline uint8_t *
msgb_tv16_push(
struct msgb *msg, uint8_t tag, uint16_t val)
328 uint8_t *buf = msgb_push(msg, 3);
335 static inline uint8_t *
msgb_tvlv_push(
struct msgb *msg, uint8_t tag, uint16_t len,
345 static inline uint8_t *msgb_vtvl_gan_push(
struct msgb *msg, uint16_t tag,
349 vtvl_gan_put(buf, tag, len);
354 static inline uint8_t *msgb_vtvlv_gan_push(
struct msgb *msg, uint16_t tag,
355 uint16_t len,
const uint8_t *val)
358 vtvlv_gan_put(buf, tag, len, val);
402 int tlv_parse_one(uint8_t *o_tag, uint16_t *o_len,
const uint8_t **o_val,
404 const uint8_t *buf,
int buf_len);
406 const uint8_t *buf,
int buf_len, uint8_t lv_tag, uint8_t lv_tag2);
410 #define TLVP_PRESENT(x, y) ((x)->lv[y].val)
411 #define TLVP_LEN(x, y) (x)->lv[y].len
412 #define TLVP_VAL(x, y) (x)->lv[y].val
414 #define TLVP_PRES_LEN(tp, tag, min_len) \
415 (TLVP_PRESENT(tp, tag) && TLVP_LEN(tp, tag) >= min_len)
425 memcpy(&res, TLVP_VAL(tp, pos),
sizeof(res));
437 memcpy(&res, TLVP_VAL(tp, pos),
sizeof(res));
448 return osmo_load16be(TLVP_VAL(tp, pos));
458 return osmo_load32be(TLVP_VAL(tp, pos));
465 size_t len, uint8_t **value);
467 uint8_t tag,
size_t len, uint8_t **value);
469 uint8_t *tag, uint8_t **value,
size_t *value_len);
471 uint8_t tag, uint8_t **value,
size_t *value_len);
473 uint8_t **value,
size_t *value_len);
static uint8_t * msgb_tv_push(struct msgb *msg, uint8_t tag, uint8_t val)
push (prepend) a TV field to a msgb
Definition: tlv.h:317
static uint16_t VTVLV_GAN_GROSS_LEN(uint16_t tag, uint16_t len)
gross length of vTvLV (tag+len+val)
Definition: tlv.h:66
static uint16_t tlvp_val16be(const struct tlv_parsed *tp, int pos)
Retrieve (possibly unaligned) TLV element and convert to host byte order.
Definition: tlv.h:446
static uint8_t * msgb_tv16_push(struct msgb *msg, uint8_t tag, uint16_t val)
push (prepend) a TV16 field to a msgb
Definition: tlv.h:326
static uint8_t * tv_put(uint8_t *buf, uint8_t tag, uint8_t val)
put (append) a TV field
Definition: tlv.h:226
static uint8_t * msgb_l16tv_put(struct msgb *msg, uint16_t len, uint8_t tag, const uint8_t *val)
put (append) a L16TV field to msgb
Definition: tlv.h:206
uint16_t len
length
Definition: tlv.h:366
int osmo_shift_v_fixed(uint8_t **data, size_t *data_len, size_t len, uint8_t **value)
Definition: tlv_parser.c:312
static uint8_t * msgb_tlv16_put(struct msgb *msg, uint8_t tag, uint8_t len, const uint16_t *val)
put (append) a TLV16 field to msgb
Definition: tlv.h:175
static uint8_t * msgb_tv_put(struct msgb *msg, uint8_t tag, uint8_t val)
put (append) a TV field to a msgb
Definition: tlv.h:275
int tlv_parse_one(uint8_t *o_tag, uint16_t *o_len, const uint8_t **o_val, const struct tlv_definition *def, const uint8_t *buf, int buf_len)
Parse a single TLV encoded IE.
Definition: tlv_parser.c:130
static uint8_t * msgb_tvlv_push(struct msgb *msg, uint8_t tag, uint16_t len, const uint8_t *val)
push (prepend) a TvLV field to a msgb
Definition: tlv.h:335
static uint32_t tlvp_val32be(const struct tlv_parsed *tp, int pos)
Retrieve (possibly unaligned) TLV element and convert to host byte order.
Definition: tlv.h:456
int osmo_match_shift_tv_fixed(uint8_t **data, size_t *data_len, uint8_t tag, size_t len, uint8_t **value)
Definition: tlv_parser.c:340
static uint16_t TVLV_GROSS_LEN(uint16_t len)
gross length of a TVLV type field
Definition: tlv.h:43
static uint8_t * vt_gan_put(uint8_t *buf, uint16_t tag)
put (append) a variable-length tag or variable-length length *
Definition: tlv.h:139
static uint8_t * tvlv_put(uint8_t *buf, uint8_t tag, uint16_t len, const uint8_t *val)
put (append) a TvLV field
Definition: tlv.h:124
static uint8_t * lv_put(uint8_t *buf, uint8_t len, const uint8_t *val)
put (append) a LV field
Definition: tlv.h:84
int osmo_shift_tlv(uint8_t **data, size_t *data_len, uint8_t *tag, uint8_t **value, size_t *value_len)
Definition: tlv_parser.c:406
Entry in a TLV parser array.
Definition: tlv.h:365
#define TLV_GROSS_LEN(x)
gross length of a TLV type field
Definition: tlv.h:31
tag-value (8bit)
Definition: tlv.h:375
static uint8_t * tv_fixed_put(uint8_t *buf, uint8_t tag, unsigned int len, const uint8_t *val)
put (append) a TVfixed field
Definition: tlv.h:235
#define TL16V_GROSS_LEN(x)
gross length of a TL16V type field
Definition: tlv.h:35
no type
Definition: tlv.h:372
#define TVLV_MAX_ONEBYTE
maximum length of TLV of one byte length
Definition: tlv.h:40
int osmo_match_shift_tlv(uint8_t **data, size_t *data_len, uint8_t tag, uint8_t **value, size_t *value_len)
Definition: tlv_parser.c:378
static uint8_t * msgb_vtvlv_gan_put(struct msgb *msg, uint16_t tag, uint16_t len, const uint8_t *val)
put (append) a vTvLV field to msgb
Definition: tlv.h:198
static uint16_t VTVL_GAN_GROSS_LEN(uint16_t tag, uint16_t len)
gross length of vTvL header (tag+len)
Definition: tlv.h:52
static uint8_t * msgb_tv16_put(struct msgb *msg, uint8_t tag, uint16_t val)
put (append) a TV16 field to a msgb
Definition: tlv.h:300
#define TLV16_GROSS_LEN(x)
gross length of a TLV16 type field
Definition: tlv.h:33
Definition of a single IE (Information Element)
Definition: tlv.h:384
#define L16TV_GROSS_LEN(x)
gross length of a L16TV type field
Definition: tlv.h:37
static uint8_t * tl16v_put(uint8_t *buf, uint8_t tag, uint16_t len, const uint8_t *val)
put (append) a TL16V field
Definition: tlv.h:113
static uint8_t * msgb_tlv_put(struct msgb *msg, uint8_t tag, uint8_t len, const uint8_t *val)
put (append) a TLV field to a msgb
Definition: tlv.h:267
enum tlv_type type
TLV type.
Definition: tlv.h:385
static uint8_t * tv16_put(uint8_t *buf, uint8_t tag, uint16_t val)
put (append) a TV16 field
Definition: tlv.h:248
static uint16_t tlvp_val16_unal(const struct tlv_parsed *tp, int pos)
Align given TLV element with 16 bit value to an even address.
Definition: tlv.h:422
static uint8_t * tlv16_put(uint8_t *buf, uint8_t tag, uint8_t len, const uint16_t *val)
put (append) a TLV16 field
Definition: tlv.h:103
int osmo_shift_lv(uint8_t **data, size_t *data_len, uint8_t **value, size_t *value_len)
Definition: tlv_parser.c:446
tag-length-value
Definition: tlv.h:376
static uint8_t * msgb_tv_fixed_put(struct msgb *msg, uint8_t tag, unsigned int len, const uint8_t *val)
put (append) a TVfixed field to a msgb
Definition: tlv.h:283
tlv_type
TLV type.
Definition: tlv.h:371
static uint8_t * v_put(uint8_t *buf, uint8_t val)
put (append) a V field
Definition: tlv.h:219
static uint8_t * msgb_tl16v_put(struct msgb *msg, uint8_t tag, uint16_t len, const uint8_t *val)
put (append) a TL16V field to msgb
Definition: tlv.h:182
variable-length tag, variable-length length
Definition: tlv.h:380
tag, 16 bit length, value
Definition: tlv.h:377
struct tlv_parsed * osmo_tlvp_copy(const struct tlv_parsed *tp_orig, void *ctx)
Copy tlv_parsed using given talloc context.
Definition: tlv_parser.c:67
result of the TLV parser
Definition: tlv.h:395
static uint8_t * tlv_put(uint8_t *buf, uint8_t tag, uint8_t len, const uint8_t *val)
put (append) a TLV field
Definition: tlv.h:93
uint8_t fixed_len
length in case of TLV_TYPE_FIXED
Definition: tlv.h:386
fixed-length value-only
Definition: tlv.h:373
void tlv_def_patch(struct tlv_definition *dst, const struct tlv_definition *src)
take a master (src) tlvdev and fill up all empty slots in 'dst'
Definition: tlv_parser.c:283
static uint32_t tlvp_val32_unal(const struct tlv_parsed *tp, int pos)
Align given TLV element with 32 bit value to an address that is a multiple of 4.
Definition: tlv.h:434
Definition of All 256 IE / TLV.
Definition: tlv.h:390
int osmo_tlvp_merge(struct tlv_parsed *dst, const struct tlv_parsed *src)
Merge all tlv_parsed attributes of 'src' into 'dst'.
Definition: tlv_parser.c:102
static uint8_t * msgb_v_put(struct msgb *msg, uint8_t val)
put (append) a V field to a msgb
Definition: tlv.h:292
int tlv_parse(struct tlv_parsed *dec, const struct tlv_definition *def, const uint8_t *buf, int buf_len, uint8_t lv_tag, uint8_t lv_tag2)
Parse an entire buffer of TLV encoded Information Elements.
Definition: tlv_parser.c:230
#define LV_GROSS_LEN(x)
gross length of a LV type field
Definition: tlv.h:29
tag-only
Definition: tlv.h:374
tag, variable length, value
Definition: tlv.h:378
const uint8_t * val
pointer to value
Definition: tlv.h:367
static uint8_t * msgb_tlv_push(struct msgb *msg, uint8_t tag, uint8_t len, const uint8_t *val)
push (prepend) a TLV field to a msgb
Definition: tlv.h:308
static uint8_t * msgb_lv_put(struct msgb *msg, uint8_t len, const uint8_t *val)
put (append) a LV field to a msgb
Definition: tlv.h:259
static uint8_t * msgb_tvlv_put(struct msgb *msg, uint8_t tag, uint16_t len, const uint8_t *val)
put (append) a TvLV field to msgb
Definition: tlv.h:190
tag and value (both 4 bit) in 1 byte
Definition: tlv.h:379