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ieee802154: Fix EUI-64 station address validation.

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Refuse to allow setting an EUI-64 group address as an interface
address, as those are not valid station addresses.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Lennert Buytenhek 2015-05-28 15:38:43 +03:00 • committed by Marcel Holtmann
parent 3b369bd212
commit daf4e2c892
2 changed files with 6 additions and 8 deletions
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10
include/linux/ieee802154.h
View file

@ -225,15 +225,13 @@ static inline bool ieee802154_is_valid_psdu_len(const u8 len)
* 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)
static inline bool ieee802154_is_valid_extended_unicast_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.
/* Bail out if the address is all zero, or if the group
* address bit is set.
*/
return ((addr != cpu_to_le64(0x0000000000000000ULL)) &&
(addr != cpu_to_le64(0xffffffffffffffffULL)));
!(addr & cpu_to_le64(0x0100000000000000ULL)));
}
/**