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-rw-r--r--net/mac80211/tx.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 9e952e37b7df..0820f127da2b 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1487,7 +1487,20 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
nh_pos += encaps_len;
h_pos += encaps_len;
}
- memcpy(skb_push(skb, hdrlen), &hdr, hdrlen);
+
+ if (fc & IEEE80211_STYPE_QOS_DATA) {
+ __le16 *qos_control;
+
+ qos_control = (__le16*) skb_push(skb, 2);
+ memcpy(skb_push(skb, hdrlen - 2), &hdr, hdrlen - 2);
+ /*
+ * Maybe we could actually set some fields here, for now just
+ * initialise to zero to indicate no special operation.
+ */
+ *qos_control = 0;
+ } else
+ memcpy(skb_push(skb, hdrlen), &hdr, hdrlen);
+
nh_pos += hdrlen;
h_pos += hdrlen;
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