From cf692061d0d575f1b9b614555ca392d8b8eabab3 Mon Sep 17 00:00:00 2001
From: Tony Cheneau <tony.cheneau@amnesiak.org>
Date: Mon, 25 Mar 2013 17:59:24 +0000
Subject: [PATCH] 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>
---
net/mac802154/wpan.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index d20c6d3c247d..7d3f6594ed4f 100644
--- 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);