wireless: unify QoS control field definitions

Move all that mac80211 has into the generic
ieee80211.h header file and use them. At the
same time move them from mask+shift to just
bits and rename them for consistent names.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/carl9170/rx.c

@@ -472,7 +472,7 @@ static struct sk_buff *carl9170_rx_copy_data(u8 *buf, int len)
 		u8 *qc = ieee80211_get_qos_ctl(hdr);
 		reserved += NET_IP_ALIGN;
 
-		if (*qc & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT)
+		if (*qc & IEEE80211_QOS_CTL_A_MSDU_PRESENT)
 			reserved += NET_IP_ALIGN;
 	}
 

drivers/net/wireless/libertas_tf/main.c

@@ -585,7 +585,7 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
 	need_padding ^= ieee80211_has_a4(hdr->frame_control);
 	need_padding ^= ieee80211_is_data_qos(hdr->frame_control) &&
 			(*ieee80211_get_qos_ctl(hdr) &
-			 IEEE80211_QOS_CONTROL_A_MSDU_PRESENT);
+			 IEEE80211_QOS_CTL_A_MSDU_PRESENT);
 
 	if (need_padding) {
 		memmove(skb->data + 2, skb->data, skb->len);

include/linux/ieee80211.h

@@ -117,8 +117,19 @@
 #define IEEE80211_MAX_MESH_ID_LEN	32
 
 #define IEEE80211_QOS_CTL_LEN		2
-#define IEEE80211_QOS_CTL_TID_MASK	0x000F
-#define IEEE80211_QOS_CTL_TAG1D_MASK	0x0007
+/* 1d tag mask */
+#define IEEE80211_QOS_CTL_TAG1D_MASK		0x0007
+/* TID mask */
+#define IEEE80211_QOS_CTL_TID_MASK		0x000f
+/* EOSP */
+#define IEEE80211_QOS_CTL_EOSP			0x0010
+/* ACK policy */
+#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL	0x0000
+#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK	0x0020
+#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL	0x0040
+#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK	0x0060
+/* A-MSDU 802.11n */
+#define IEEE80211_QOS_CTL_A_MSDU_PRESENT	0x0080
 
 /* U-APSD queue for WMM IEs sent by AP */
 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD	(1<<7)
@@ -1423,9 +1434,6 @@ enum ieee80211_sa_query_action {
 };
 
 
-/* A-MSDU 802.11n */
-#define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
-
 /* cipher suite selectors */
 #define WLAN_CIPHER_SUITE_USE_GROUP	0x000FAC00
 #define WLAN_CIPHER_SUITE_WEP40		0x000FAC01

net/mac80211/rx.c

@@ -338,7 +338,7 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
 		u8 *qc = ieee80211_get_qos_ctl(hdr);
 		/* frame has qos control */
 		tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
-		if (*qc & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT)
+		if (*qc & IEEE80211_QOS_CTL_A_MSDU_PRESENT)
 			status->rx_flags |= IEEE80211_RX_AMSDU;
 	} else {
 		/*

net/mac80211/wme.c

@@ -151,8 +151,7 @@ void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb)
 		tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
 
 		if (unlikely(local->wifi_wme_noack_test))
-			ack_policy |= QOS_CONTROL_ACK_POLICY_NOACK <<
-					QOS_CONTROL_ACK_POLICY_SHIFT;
+			ack_policy |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK;
 		/* qos header is 2 bytes, second reserved */
 		*p++ = ack_policy | tid;
 		*p = 0;

net/mac80211/wme.h

@@ -13,11 +13,6 @@
 #include <linux/netdevice.h>
 #include "ieee80211_i.h"
 
-#define QOS_CONTROL_ACK_POLICY_NORMAL 0
-#define QOS_CONTROL_ACK_POLICY_NOACK 1
-
-#define QOS_CONTROL_ACK_POLICY_SHIFT 5
-
 extern const int ieee802_1d_to_ac[8];
 
 u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,