diff options
| author |   Helmut Schaa <helmut.schaa@googlemail.com> | 2011-12-08 13:11:54 +0100 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2011-12-13 15:30:40 -0500 |
| commit | 8cb25e14fe80d0fac42412364df573eb3e8e83cc (patch) | |
| tree | 5472f45b7ab1d41415dffe8ea661b1fc57bd68b7 /include/linux/ieee80211.h | |
| parent | mac80211: Purge A-MPDU TX queues before station destructions (diff) | |
| download | linux-dev-8cb25e14fe80d0fac42412364df573eb3e8e83cc.tar.xz linux-dev-8cb25e14fe80d0fac42412364df573eb3e8e83cc.zip | |
ieee80211: Introduce ieee80211_is_first_frag
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/linux/ieee80211.h')
| -rw-r--r-- | include/linux/ieee80211.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 17f2a768e2ad..210e2c325534 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -544,6 +544,15 @@ static inline int ieee80211_is_qos_nullfunc(__le16 fc) cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); } +/** + * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set + * @seq_ctrl: frame sequence control bytes in little-endian byteorder + */ +static inline int ieee80211_is_first_frag(__le16 seq_ctrl) +{ + return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; +} + struct ieee80211s_hdr { u8 flags; u8 ttl; |