mac802154: turn on ACK when enabled by the upper layers

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index d20c6d3..7d3f659 100644 (file)
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -145,6 +145,8 @@ static int mac802154_header_create(struct sk_buff *skb,
 
        head[pos++] = mac_cb(skb)->seq; /* DSN/BSN */
        fc = mac_cb_type(skb);
+       if (mac_cb_is_ackreq(skb))
+               fc |= IEEE802154_FC_ACK_REQ;
 
        if (!saddr) {
                spin_lock_bh(&priv->mib_lock);