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Diffstat (limited to 'include/linux/ieee80211.h')
-rw-r--r--include/linux/ieee80211.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index c2f46cffaab4..450ea5e38564 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -607,6 +607,15 @@ static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
}
/**
+ * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline bool ieee80211_is_any_nullfunc(__le16 fc)
+{
+ return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
+}
+
+/**
* ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
* @fc: frame control field in little-endian byteorder
*/
@@ -629,6 +638,16 @@ static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
}
+/**
+ * ieee80211_is_frag - check if a frame is a fragment
+ * @hdr: 802.11 header of the frame
+ */
+static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
+{
+ return ieee80211_has_morefrags(hdr->frame_control) ||
+ hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
+}
+
struct ieee80211s_hdr {
u8 flags;
u8 ttl;