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ieee802154: add extended address validation helper

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

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2014-11-02 04:18:45 +01:00 committed by Marcel Holtmann
parent f59f419d31
commit cb904b0a16
1 changed files with 14 additions and 0 deletions
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14
include/linux/ieee802154.h
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@ -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 */