staging: r8188eu: use standard mechanisms for qos data frames

Use defines and macros from ieee80211.h to check for qos data frames and
to mark a frame as qos data.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220327180944.712545-6-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_recv.c

@@ -749,6 +749,7 @@ static int sta2ap_data_frame(struct adapter *adapter,
 	struct	sta_priv *pstapriv = &adapter->stapriv;
 	struct	mlme_priv *pmlmepriv = &adapter->mlmepriv;
 	u8 *ptr = precv_frame->rx_data;
+	__le16 fc = *(__le16 *)ptr;
 	unsigned char *mybssid  = get_bssid(pmlmepriv);
 	int ret = _SUCCESS;
 
@@ -769,9 +770,8 @@ static int sta2ap_data_frame(struct adapter *adapter,
 
 		process_pwrbit_data(adapter, precv_frame);
 
-		if ((GetFrameSubType(ptr) & WIFI_QOS_DATA_TYPE) == WIFI_QOS_DATA_TYPE) {
+		if (ieee80211_is_data_qos(fc))
 			process_wmmps_data(adapter, precv_frame);
-		}
 
 		if (GetFrameSubType(ptr) & BIT(6)) {
 			/* No data, will not indicate to upper layer, temporily count it here */

drivers/staging/r8188eu/core/rtw_xmit.c

@@ -399,7 +399,7 @@ static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
 
 	pattrib->priority = user_prio;
 	pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
-	pattrib->subtype = WIFI_QOS_DATA_TYPE;
+	pattrib->subtype = IEEE80211_STYPE_QOS_DATA | IEEE80211_FTYPE_DATA;
 }
 
 static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct pkt_attrib *pattrib)

drivers/staging/r8188eu/include/wifi.h

@@ -12,10 +12,6 @@
 #define WLAN_HDR_A3_QOS_LEN	26
 #define WLAN_SSID_MAXLEN	32
 
-enum WIFI_FRAME_TYPE {
-	WIFI_QOS_DATA_TYPE	= (BIT(7)|BIT(3)),	/*  QoS Data */
-};
-
 enum WIFI_FRAME_SUBTYPE {
 	/*  below is for mgt frame */
 	WIFI_ASSOCREQ       = (0 | IEEE80211_FTYPE_MGMT),
@@ -48,7 +44,7 @@ enum WIFI_FRAME_SUBTYPE {
 	WIFI_CF_ACK         = (BIT(6) | BIT(4) | IEEE80211_FTYPE_DATA),
 	WIFI_CF_POLL        = (BIT(6) | BIT(5) | IEEE80211_FTYPE_DATA),
 	WIFI_CF_ACKPOLL     = (BIT(6) | BIT(5) | BIT(4) | IEEE80211_FTYPE_DATA),
-	WIFI_QOS_DATA_NULL	= (BIT(6) | WIFI_QOS_DATA_TYPE),
+	WIFI_QOS_DATA_NULL	= (BIT(6) | IEEE80211_STYPE_QOS_DATA | IEEE80211_FTYPE_DATA),
 };
 
 enum WIFI_REASON_CODE	{