diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 25cc192..dcc05a1 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -363,6 +363,7 @@
  * @RX_FLAG_TSFT: The timestamp passed in the RX status (@mactime field)
  *	is valid. This is useful in monitor mode and necessary for beacon frames
  *	to enable IBSS merging.
+ * @RX_FLAG_SHORTPRE: Short preamble was used for this frame
  */
 enum mac80211_rx_flags {
 	RX_FLAG_MMIC_ERROR	= 1<<0,
@@ -373,6 +374,7 @@
 	RX_FLAG_FAILED_FCS_CRC	= 1<<5,
 	RX_FLAG_FAILED_PLCP_CRC = 1<<6,
 	RX_FLAG_TSFT		= 1<<7,
+	RX_FLAG_SHORTPRE	= 1<<8
 };
 
 /**