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authorHelmut Schaa <helmut.schaa@googlemail.com>2011-12-08 13:11:54 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-12-13 15:30:40 -0500
commit8cb25e14fe80d0fac42412364df573eb3e8e83cc (patch)
tree5472f45b7ab1d41415dffe8ea661b1fc57bd68b7 /include/linux/ieee80211.h
parent42624d4913a00219a8fdbb4bafd634d1d843be85 (diff)
downloadblackbird-obmc-linux-8cb25e14fe80d0fac42412364df573eb3e8e83cc.tar.gz
blackbird-obmc-linux-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.h9
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;
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