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Commit 118a5cf8 authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
Browse files

ieee802154: add short address helpers 



This patch introduce some short address handling functionality into
ieee802154 headers.

Reviewed-by: default avatarStefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: default avatarAlexander Aring <aar@pengutronix.de>
Acked-by: default avatarJukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent b7594148

include/linux/ieee802154.h

+29 −0
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ 
#define IEEE802154_ADDR_SHORT_UNSPEC	0xfffe



#define IEEE802154_EXTENDED_ADDR_LEN	8

#define IEEE802154_SHORT_ADDR_LEN	2



#define IEEE802154_LIFS_PERIOD		40

#define IEEE802154_SIFS_PERIOD		12
@@ -289,6 +290,34 @@ static inline bool ieee802154_is_valid_extended_unicast_addr(__le64 addr) 
		!(addr & cpu_to_le64(0x0100000000000000ULL)));

}



/**

 * ieee802154_is_broadcast_short_addr - check if short addr is broadcast

 * @addr: short addr to check

 */

static inline bool ieee802154_is_broadcast_short_addr(__le16 addr)

{

	return (addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST));

}



/**

 * ieee802154_is_unspec_short_addr - check if short addr is unspecified

 * @addr: short addr to check

 */

static inline bool ieee802154_is_unspec_short_addr(__le16 addr)

{

	return (addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC));

}



/**

 * ieee802154_is_valid_src_short_addr - check if source short address is valid

 * @addr: short addr to check

 */

static inline bool ieee802154_is_valid_src_short_addr(__le16 addr)

{

	return !(ieee802154_is_broadcast_short_addr(addr) ||

		 ieee802154_is_unspec_short_addr(addr));

}



/**

 * ieee802154_random_extended_addr - generates a random extended address

 * @addr: extended addr pointer to place the random address

include/net/mac802154.h

+10 −0
Original line number Diff line number Diff line
@@ -287,6 +287,16 @@ static inline void ieee802154_le16_to_be16(void *be16_dst, const void *le16_src) 
	put_unaligned_be16(get_unaligned_le16(le16_src), be16_dst);

}



/**

 * ieee802154_be16_to_le16 - copies and convert be16 to le16

 * @le16_dst: le16 destination pointer

 * @be16_src: be16 source pointer

 */

static inline void ieee802154_be16_to_le16(void *le16_dst, const void *be16_src)

{

	put_unaligned_le16(get_unaligned_be16(be16_src), le16_dst);

}



/**

 * ieee802154_alloc_hw - Allocate a new hardware device

 *