diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 4530d49..d687909 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -131,6 +131,8 @@
 
 #define IEEE80211_MAX_MESH_ID_LEN	32
 
+#define IEEE80211_NUM_TIDS		16
+
 #define IEEE80211_QOS_CTL_LEN		2
 /* 1d tag mask */
 #define IEEE80211_QOS_CTL_TAG1D_MASK		0x0007