staging: r8188eu: use standard mechanisms for data frames

Use defines and macros from ieee80211.h to check for data frames and
to define data frame subtypes.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220327180944.712545-5-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_recv.c

@@ -1283,8 +1283,9 @@ struct recv_frame *recvframe_chk_defrag(struct adapter *padapter, struct recv_fr
 	psta_addr = pfhdr->attrib.ta;
 	psta = rtw_get_stainfo(pstapriv, psta_addr);
 	if (!psta) {
-		u8 type = GetFrameType(pfhdr->rx_data);
-		if (type != WIFI_DATA_TYPE) {
+		__le16 fc = *(__le16 *)pfhdr->rx_data;
+
+		if (ieee80211_is_data(fc)) {
 			psta = rtw_get_bcmc_stainfo(padapter);
 			pdefrag_q = &psta->sta_recvpriv.defrag_q;
 		} else {

drivers/staging/r8188eu/core/rtw_xmit.c

@@ -497,7 +497,7 @@ static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct p
 	pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */
 
 	pattrib->hdrlen = WLAN_HDR_A3_LEN;
-	pattrib->subtype = WIFI_DATA_TYPE;
+	pattrib->subtype = IEEE80211_FTYPE_DATA;
 	pattrib->priority = 0;
 
 	if (check_fwstate(pmlmepriv, WIFI_AP_STATE | WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE)) {
@@ -717,7 +717,7 @@ s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattr
 
 	SetFrameSubType(fctrl, pattrib->subtype);
 
-	if (pattrib->subtype & WIFI_DATA_TYPE) {
+	if (pattrib->subtype & IEEE80211_FTYPE_DATA) {
 		if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
 			/* to_ds = 1, fr_ds = 0; */
 			/* Data transfer to AP */

drivers/staging/r8188eu/include/wifi.h

@@ -13,7 +13,6 @@
 #define WLAN_SSID_MAXLEN	32
 
 enum WIFI_FRAME_TYPE {
-	WIFI_DATA_TYPE =	(BIT(3)),
 	WIFI_QOS_DATA_TYPE	= (BIT(7)|BIT(3)),	/*  QoS Data */
 };
 
@@ -41,14 +40,14 @@ enum WIFI_FRAME_SUBTYPE {
 	WIFI_CFEND_CFACK    = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | IEEE80211_FTYPE_CTL),
 
 	/*  below is for data frame */
-	WIFI_DATA           = (0 | WIFI_DATA_TYPE),
-	WIFI_DATA_CFACK     = (BIT(4) | WIFI_DATA_TYPE),
-	WIFI_DATA_CFPOLL    = (BIT(5) | WIFI_DATA_TYPE),
-	WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
-	WIFI_DATA_NULL      = (BIT(6) | WIFI_DATA_TYPE),
-	WIFI_CF_ACK         = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
-	WIFI_CF_POLL        = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
-	WIFI_CF_ACKPOLL     = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
+	WIFI_DATA           = (0 | IEEE80211_FTYPE_DATA),
+	WIFI_DATA_CFACK     = (BIT(4) | IEEE80211_FTYPE_DATA),
+	WIFI_DATA_CFPOLL    = (BIT(5) | IEEE80211_FTYPE_DATA),
+	WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | IEEE80211_FTYPE_DATA),
+	WIFI_DATA_NULL      = (BIT(6) | IEEE80211_FTYPE_DATA),
+	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),
 };