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#ifndef _TLV_H
#define _TLV_H
#include <sys/types.h>
#include <string.h>
#define TLV_GROSS_LEN(x) (x+2)
#define TLV16_GROSS_LEN(x) ((2*x)+2)
static inline u_int8_t *tlv_put(u_int8_t *buf, u_int8_t tag, u_int8_t len,
const u_int8_t *val)
{
*buf++ = tag;
*buf++ = len;
memcpy(buf, val, len);
return buf + len;
}
static inline u_int8_t *tlv16_put(u_int8_t *buf, u_int8_t tag, u_int8_t len,
const u_int16_t *val)
{
*buf++ = tag;
*buf++ = len;
memcpy(buf, val, len*2);
return buf + len*2;
}
static inline u_int8_t *msgb_tlv16_put(struct msgb *msg, u_int8_t tag, u_int8_t len, const u_int16_t *val)
{
u_int8_t *buf = msgb_put(msg, TLV16_GROSS_LEN(len));
return tlv16_put(buf, tag, len, val);
}
static inline u_int8_t *tv_put(u_int8_t *buf, u_int8_t tag,
u_int8_t val)
{
*buf++ = tag;
*buf++ = val;
return buf;
}
static inline u_int8_t *msgb_tlv_put(struct msgb *msg, u_int8_t tag, u_int8_t len, const u_int8_t *val)
{
u_int8_t *buf = msgb_put(msg, TLV_GROSS_LEN(len));
return tlv_put(buf, tag, len, val);
}
static inline u_int8_t *msgb_tv_put(struct msgb *msg, u_int8_t tag, u_int8_t val)
{
u_int8_t *buf = msgb_put(msg, 2);
return tv_put(buf, tag, val);
}
static inline u_int8_t *msgb_tlv_push(struct msgb *msg, u_int8_t tag, u_int8_t len, const u_int8_t *val)
{
u_int8_t *buf = msgb_push(msg, TLV_GROSS_LEN(len));
return tlv_put(buf, tag, len, val);
}
static inline u_int8_t *msgb_tv_push(struct msgb *msg, u_int8_t tag, u_int8_t val)
{
u_int8_t *buf = msgb_push(msg, 2);
return tv_put(buf, tag, val);
}
#endif /* _TLV_H */
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