1 files changed, 15 insertions, 0 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index df1bb7e16cfe..725af7a468d2 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -3083,3 +3083,18 @@ int ieee80211_max_num_channels(struct ieee80211_local *local)
 
         return max_num_different_channels;
 }
+
+u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo)
+{
+        *buf++ = WLAN_EID_VENDOR_SPECIFIC;
+        *buf++ = 7; /* len */
+        *buf++ = 0x00; /* Microsoft OUI 00:50:F2 */
+        *buf++ = 0x50;
+        *buf++ = 0xf2;
+        *buf++ = 2; /* WME */
+        *buf++ = 0; /* WME info */
+        *buf++ = 1; /* WME ver */
+        *buf++ = qosinfo; /* U-APSD no in use */
+
+        return buf;
+}