diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 50c684d..49b1abd 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -554,6 +554,20 @@
 	u8 virtual_map[1];
 } __attribute__ ((packed));
 
+/**
+ * struct ieee80211_rann_ie
+ *
+ * This structure refers to "Root Announcement information element"
+ */
+struct ieee80211_rann_ie {
+	u8 rann_flags;
+	u8 rann_hopcount;
+	u8 rann_ttl;
+	u8 rann_addr[6];
+	u32 rann_seq;
+	u32 rann_metric;
+} __attribute__ ((packed));
+
 #define WLAN_SA_QUERY_TR_ID_LEN 2
 
 struct ieee80211_mgmt {
@@ -1070,6 +1084,7 @@
 	WLAN_EID_PREQ = 68,
 	WLAN_EID_PREP = 69,
 	WLAN_EID_PERR = 70,
+	WLAN_EID_RANN = 49,	/* compatible with FreeBSD */
 	/* 802.11h */
 	WLAN_EID_PWR_CONSTRAINT = 32,
 	WLAN_EID_PWR_CAPABILITY = 33,