[tlv] Implement a variant for the IDTAG list for the IPA

Implement a helper that will allow to easily fill the
tag list with data.
This commit is contained in:
Holger Hans Peter Freyther 2010-02-09 16:26:49 +01:00
parent fb0b6fcaea
commit 701d175653
1 changed files with 13 additions and 0 deletions

View File

@ -22,6 +22,7 @@
#define TLV_GROSS_LEN(x) (x+2)
#define TLV16_GROSS_LEN(x) ((2*x)+2)
#define TL16V_GROSS_LEN(x) (x+3)
#define L16TV_GROSS_LEN(x) (x+3)
#define TVLV_MAX_ONEBYTE 0x7f
@ -105,6 +106,18 @@ static inline u_int8_t *msgb_tvlv_put(struct msgb *msg, u_int8_t tag, u_int16_t
return tvlv_put(buf, tag, len, val);
}
static inline u_int8_t *msgb_l16tv_put(struct msgb *msg, u_int16_t len, u_int8_t tag,
const u_int8_t *val)
{
u_int8_t *buf = msgb_put(msg, L16TV_GROSS_LEN(len));
*buf++ = len >> 8;
*buf++ = len & 0xff;
*buf++ = tag;
memcpy(buf, val, len);
return buf + len;
}
static inline u_int8_t *v_put(u_int8_t *buf, u_int8_t val)
{
*buf++ = val;