ieee80211: Introduce ieee80211_is_first_frag
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -544,6 +544,15 @@ static inline int ieee80211_is_qos_nullfunc(__le16 fc)
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cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
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}
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/**
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* ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
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* @seq_ctrl: frame sequence control bytes in little-endian byteorder
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*/
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static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
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{
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return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
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}
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struct ieee80211s_hdr {
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u8 flags;
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u8 ttl;
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