diff options
Diffstat (limited to 'include/openbsc/tlv.h')
| -rw-r--r-- | include/openbsc/tlv.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/openbsc/tlv.h b/include/openbsc/tlv.h index 70d0319e8..668644be7 100644 --- a/include/openbsc/tlv.h +++ b/include/openbsc/tlv.h @@ -4,10 +4,14 @@ #include <sys/types.h> #include <string.h> +#include <openbsc/msgb.h> + #define TLV_GROSS_LEN(x) (x+2) #define TLV16_GROSS_LEN(x) ((2*x)+2) #define TL16V_GROSS_LEN(x) (x+3) +/* TLV generation */ + static inline u_int8_t *tlv_put(u_int8_t *buf, u_int8_t tag, u_int8_t len, const u_int8_t *val) { @@ -102,5 +106,19 @@ static inline u_int8_t *msgb_tv16_push(struct msgb *msg, u_int8_t tag, u_int16_t return tv16_put(buf, tag, val); } +/* TLV parsing */ + +struct tlv_p_entry { + u_int8_t len; + u_int8_t *val; +}; + +struct tlv_parser { + struct tlv_p_entry lv[0xff]; +}; + +#define TLVP_PRESENT(x, y) (x->lv[y].val) +#define TLVP_LEN(x, y) x->lv[y].len +#define TLVP_VAL(x, y) x->lv[y].val #endif /* _TLV_H */ |