mac80211: wme.c use new helpers

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 13 deletions

diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 14a9ff10a1e9..d8c2f9688b25 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -105,11 +105,8 @@ static int classify80211(struct sk_buff *skb, struct Qdisc *qd)
 {
         struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-        unsigned short fc = le16_to_cpu(hdr->frame_control);
-        int qos;
 
-        /* see if frame is data or non data frame */
-        if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)) {
+        if (!ieee80211_is_data(hdr->frame_control)) {
                 /* management frames go on AC_VO queue, but are sent
                 * without QoS control fields */
                 return 0;
@@ -119,10 +116,7 @@ static int classify80211(struct sk_buff *skb, struct Qdisc *qd)
                 /* use AC from radiotap */
         }
 
-        /* is this a QoS frame? */
-        qos = fc & IEEE80211_STYPE_QOS_DATA;
-
-        if (!qos) {
+        if (!ieee80211_is_data_qos(hdr->frame_control)) {
                 skb->priority = 0; /* required for correct WPA/11i MIC */
                 return ieee802_1d_to_ac[skb->priority];
         }
@@ -151,7 +145,6 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
         struct ieee80211_sched_data *q = qdisc_priv(qd);
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-        unsigned short fc = le16_to_cpu(hdr->frame_control);
         struct Qdisc *qdisc;
         struct sta_info *sta;
         int err, queue;
@@ -185,16 +178,15 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
 
         /* now we know the 1d priority, fill in the QoS header if there is one
          */
-        if (WLAN_FC_IS_QOS_DATA(fc)) {
-                u8 *p = skb->data + ieee80211_get_hdrlen(fc) - 2;
+        if (ieee80211_is_data_qos(hdr->frame_control)) {
+                u8 *p = ieee80211_get_qos_ctl(hdr);
                 u8 ack_policy = 0;
                 tid = skb->priority & QOS_CONTROL_TAG1D_MASK;
                 if (local->wifi_wme_noack_test)
                         ack_policy |= QOS_CONTROL_ACK_POLICY_NOACK <<
                                         QOS_CONTROL_ACK_POLICY_SHIFT;
                 /* qos header is 2 bytes, second reserved */
-                *p = ack_policy | tid;
-                p++;
+                *p++ = ack_policy | tid;
                 *p = 0;
 
                 rcu_read_lock();