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| author | Alexander Aring <alex.aring@gmail.com> | 2014-11-02 03:18:45 (GMT) |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-11-02 03:51:08 (GMT) |
| commit | cb904b0a16305f9b2a98200cc6eb9dc3610278b0 (patch) | |
| tree | 131593c09e3b67bc9fccdc9c6dc861eeaef055b3 | |
| parent | f59f419d31ee27c131b44beda5b14b8ce0aaf519 (diff) | |
| download | linux-cb904b0a16305f9b2a98200cc6eb9dc3610278b0.tar.xz | |
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: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| -rw-r--r-- | include/linux/ieee802154.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/ieee802154.h b/include/linux/ieee802154.h index 6e50a2a..9bba5ca 100644 --- a/include/linux/ieee802154.h +++ b/include/linux/ieee802154.h @@ -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 */ |