Commit cb904b0a authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
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ieee802154: add extended address validation helper 



This patch introduce an extended address validation helper to check if
an extended address is valid or not.

Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent f59f419d

include/linux/ieee802154.h

+14 −0
Original line number Diff line number Diff line
@@ -197,4 +197,18 @@ static inline bool ieee802154_is_valid_psdu_len(const u8 len) 
	return (len >= IEEE802154_MIN_PSDU_LEN && len <= IEEE802154_MTU);

}



/**

 * ieee802154_is_valid_psdu_len - check if extended addr is valid

 * @addr: extended addr to check

 */

static inline bool ieee802154_is_valid_extended_addr(const __le64 addr)

{

	/* These EUI-64 addresses are reserved by IEEE. 0xffffffffffffffff

	 * is used internally as extended to short address broadcast mapping.

	 * This is currently a workaround because neighbor discovery can't

	 * deal with short addresses types right now.

	 */

	return ((addr != 0x0000000000000000) || (addr != 0xffffffffffffffff));

}



#endif /* LINUX_IEEE802154_H */