X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fieee80211.h;h=5f581b525f19b1a7958d2e306c0c3abcfe4cfc5a;hb=6f0aabab49b22056cbcd1ecb7d3a723871c2de7f;hp=cdf4ffe405efea908eb10bbe1584bef6632c59ab;hpb=254d718be2c01010e2b910f033cc0a939b230d09;p=carl9170fw.git

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index cdf4ffe..5f581b5 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -603,6 +603,20 @@ static inline unsigned int ieee80211_hdrlen(__le16 fc)
         return hdrlen;
 }
 
+/**
+ * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
+ * @fc: frame control field in little-endian byteorder
+ */
+static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
+{
+	/* IEEE 802.11-2012, definition of "bufferable management frame";
+	 * note that this ignores the IBSS special case. */
+	return ieee80211_is_mgmt(fc) &&
+	       (ieee80211_is_action(fc) ||
+		ieee80211_is_disassoc(fc) ||
+		ieee80211_is_deauth(fc));
+}
+
 /**
  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
  * @seq_ctrl: frame sequence control bytes in little-endian byteorder