X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fieee80211.h;h=9f2caa2b0da8c6cb681365f26fe05a47d33bc905;hb=f4d67f805b3bad49fc51e0fe9d89a4be96c8ecad;hp=6729ad02e2398f785692c7b7450fa36ae8915ebc;hpb=3d744935c5ad5735c5a5ea0486e0c6389aa2c94f;p=carl9170fw.git

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 6729ad0..9f2caa2 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -557,6 +557,15 @@ static inline unsigned int ieee80211_hdrlen(__le16 fc)
         return hdrlen;
 }
 
+/**
+ * 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;