staging: rtl8723au: Remove to_fr_ds packet attribute

This is only used in one place - do the work there properly.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_recv.c

@@ -1334,36 +1334,32 @@ static int validate_recv_data_frame(struct rtw_adapter *adapter,
 
 	ether_addr_copy(pattrib->bssid, pbssid);
 
-	switch (pattrib->to_fr_ds)
-	{
-	case 0:
+	switch (hdr->frame_control &
+		cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) {
+	case cpu_to_le16(0):
 		ether_addr_copy(pattrib->ra, pda);
 		ether_addr_copy(pattrib->ta, psa);
 		ret = sta2sta_data_frame(adapter, precv_frame, &psta);
 		break;
 
-	case 1:
+	case cpu_to_le16(IEEE80211_FCTL_FROMDS):
 		ether_addr_copy(pattrib->ra, pda);
 		ether_addr_copy(pattrib->ta, pbssid);
 		ret = ap2sta_data_frame(adapter, precv_frame, &psta);
 		break;
 
-	case 2:
+	case cpu_to_le16(IEEE80211_FCTL_TODS):
 		ether_addr_copy(pattrib->ra, pbssid);
 		ether_addr_copy(pattrib->ta, psa);
 		ret = sta2ap_data_frame(adapter, precv_frame, &psta);
 		break;
 
-	case 3:
+	case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
 		ether_addr_copy(pattrib->ra, hdr->addr1);
 		ether_addr_copy(pattrib->ta, hdr->addr2);
 		ret = _FAIL;
 		RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, (" case 3\n"));
 		break;
-
-	default:
-		ret = _FAIL;
-		break;
 	}
 
 	if ((ret == _FAIL) || (ret == RTW_RX_HANDLED))
@@ -1524,8 +1520,6 @@ static int validate_recv_frame(struct rtw_adapter *adapter,
 		goto exit;
 	}
 
-	pattrib->to_fr_ds = get_tofr_ds(hdr->frame_control);
-
 	seq_ctrl = le16_to_cpu(hdr->seq_ctrl);
 	pattrib->frag_num = seq_ctrl & IEEE80211_SCTL_FRAG;
 	pattrib->seq_num = seq_ctrl >> 4;

drivers/staging/rtl8723au/include/rtw_recv.h

@@ -99,7 +99,6 @@ struct rx_pkt_attrib	{
 	u8	drvinfo_sz;
 	u8	shift_sz;
 	u8	hdrlen; /* the WLAN Header Len */
-	u8	to_fr_ds;
 	u8	amsdu;
 	u8	qos;
 	u8	priority;

drivers/staging/rtl8723au/include/wifi.h

@@ -87,9 +87,6 @@ enum WIFI_REG_DOMAIN {
 #define SetFrDs(pbuf)	\
 	(*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_FROMDS))
 
-#define get_tofr_ds(pframe)	((ieee80211_has_tods(pframe) << 1) | \
-				 ieee80211_has_fromds(pframe))
-
 #define SetMFrag(pbuf)	\
 	(*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_MOREFRAGS))