Commit a5862f2a authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
Browse files

6lowpan: move eui64 uncompress function 



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: default avatarAlexander Aring <aar@pengutronix.de>
Reviewed-by: default avatarStefan <Schmidt&lt;stefan@osg.samsung.com>
Acked-by: default avatarJukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 2bc068c3

include/net/6lowpan.h

+16 −0
Original line number Diff line number Diff line
@@ -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,

net/6lowpan/iphc.c

+0 −16
Original line number Diff line number Diff line
@@ -156,22 +156,6 @@ 
#define LOWPAN_IPHC_CID_DCI(cid)	(cid & 0x0f)

#define LOWPAN_IPHC_CID_SCI(cid)	((cid & 0xf0) >> 4)



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;

}



static inline void

lowpan_iphc_uncompress_802154_lladdr(struct in6_addr *ipaddr,

				     const void *lladdr)

CRA Git | Maintained and supported by SUSTech CRA and CCSE