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| author | Alexandre Macabies <web+oss@zopieux.com> | 2016-04-12 18:53:00 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2016-04-13 10:36:02 +0200 |
| commit | bc405cd69a728d0a82bae8395fe43ec7b0afd1c6 (patch) | |
| tree | b226beab180453a2a96e2480711e5b3a8fabd84d /include/linux/ieee802154.h | |
| parent | b30d27f5bba2c65fb571ad7448b18dfee2fd63ae (diff) | |
| download | lwn-bc405cd69a728d0a82bae8395fe43ec7b0afd1c6.tar.gz lwn-bc405cd69a728d0a82bae8395fe43ec7b0afd1c6.zip | |
ieee802154: add security bit check function
ieee802154_is_secen checks if the 802.15.4 security bit is set in the
frame control field.
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Signed-off-by: Alexandre Macabies <web+oss@zopieux.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Acked-by: Alan Ott <alan@signal11.us>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'include/linux/ieee802154.h')
| -rw-r--r-- | include/linux/ieee802154.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/ieee802154.h b/include/linux/ieee802154.h index d3e415674dac..56090f195339 100644 --- a/include/linux/ieee802154.h +++ b/include/linux/ieee802154.h @@ -218,6 +218,7 @@ enum { /* frame control handling */ #define IEEE802154_FCTL_FTYPE 0x0003 #define IEEE802154_FCTL_ACKREQ 0x0020 +#define IEEE802154_FCTL_SECEN 0x0004 #define IEEE802154_FCTL_INTRA_PAN 0x0040 #define IEEE802154_FTYPE_DATA 0x0001 @@ -233,6 +234,15 @@ static inline int ieee802154_is_data(__le16 fc) } /** + * ieee802154_is_secen - check if Security bit is set + * @fc: frame control bytes in little-endian byteorder + */ +static inline bool ieee802154_is_secen(__le16 fc) +{ + return fc & cpu_to_le16(IEEE802154_FCTL_SECEN); +} + +/** * ieee802154_is_ackreq - check if acknowledgment request bit is set * @fc: frame control bytes in little-endian byteorder */ |