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6lowpan: move eui64 uncompress function

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This function will be use in later functionality in other branches than
generic 6lowpan, so we move it to the global 6lowpan header.

Signed-off-by: Alexander Aring <aar@pengutronix.de>
Reviewed-by: Stefan Schmidt<stefan@osg.samsung.com>
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring
2016-04-11 11:04:22 +02:00
committed by Marcel Holtmann
parent 2bc068c3d6
commit a5862f2aba
2 changed files with 16 additions and 16 deletions
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16
include/net/6lowpan.h
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@@ -169,6 +169,22 @@ struct lowpan_802154_cb *lowpan_802154_cb(const struct sk_buff *skb)
return (struct lowpan_802154_cb *)skb->cb;
}
static inline void lowpan_iphc_uncompress_eui64_lladdr(struct in6_addr *ipaddr,
const void *lladdr)
{
/* fe:80::XXXX:XXXX:XXXX:XXXX
* \_________________/
* hwaddr
*/
ipaddr->s6_addr[0] = 0xFE;
ipaddr->s6_addr[1] = 0x80;
memcpy(&ipaddr->s6_addr[8], lladdr, EUI64_ADDR_LEN);
/* second bit-flip (Universe/Local)
* is done according RFC2464
*/
ipaddr->s6_addr[8] ^= 0x02;
}
#ifdef DEBUG
/* print data in line */
static inline void raw_dump_inline(const char *caller, char *msg,