wifi: rtw89: use struct rtw89_phy_sts_ie0 instead of macro to access PHY IE0 status

To be more clear to know where it gets information from PHY IE0 data,
change to use struct and standard le32_get_bits() to access. This doesn't
change logic at all.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230418012820.5139-2-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/core.c

@@ -1277,9 +1277,11 @@ static u16 rtw89_core_get_phy_status_ie_len(struct rtw89_dev *rtwdev, u8 *addr)
 static void rtw89_core_parse_phy_status_ie01(struct rtw89_dev *rtwdev, u8 *addr,
 					     struct rtw89_rx_phy_ppdu *phy_ppdu)
 {
+	const struct rtw89_phy_sts_ie0 *ie = (const struct rtw89_phy_sts_ie0 *)addr;
 	s16 cfo;
+	u32 t;
 
-	phy_ppdu->chan_idx = RTW89_GET_PHY_STS_IE01_CH_IDX(addr);
+	phy_ppdu->chan_idx = le32_get_bits(ie->w0, RTW89_PHY_STS_IE01_W0_CH_IDX);
 	if (phy_ppdu->rate < RTW89_HW_RATE_OFDM6)
 		return;
 
@@ -1287,10 +1289,13 @@ static void rtw89_core_parse_phy_status_ie01(struct rtw89_dev *rtwdev, u8 *addr,
 		return;
 
 	/* sign conversion for S(12,2) */
-	if (rtwdev->chip->cfo_src_fd)
-		cfo = sign_extend32(RTW89_GET_PHY_STS_IE01_FD_CFO(addr), 11);
-	else
-		cfo = sign_extend32(RTW89_GET_PHY_STS_IE01_PREMB_CFO(addr), 11);
+	if (rtwdev->chip->cfo_src_fd) {
+		t = le32_get_bits(ie->w1, RTW89_PHY_STS_IE01_W1_FD_CFO);
+		cfo = sign_extend32(t, 11);
+	} else {
+		t = le32_get_bits(ie->w1, RTW89_PHY_STS_IE01_W1_PREMB_CFO);
+		cfo = sign_extend32(t, 11);
+	}
 
 	rtw89_phy_cfo_parse(rtwdev, cfo, phy_ppdu);
 }

drivers/net/wireless/realtek/rtw89/txrx.h

@@ -298,12 +298,16 @@
 	le32_get_bits(*((const __le32 *)ie), GENMASK(4, 0))
 #define RTW89_GET_PHY_STS_IE_LEN(ie) \
 	le32_get_bits(*((const __le32 *)ie), GENMASK(11, 5))
-#define RTW89_GET_PHY_STS_IE01_CH_IDX(ie) \
-	le32_get_bits(*((const __le32 *)ie), GENMASK(23, 16))
-#define RTW89_GET_PHY_STS_IE01_FD_CFO(ie) \
-	le32_get_bits(*((const __le32 *)(ie) + 1), GENMASK(19, 8))
-#define RTW89_GET_PHY_STS_IE01_PREMB_CFO(ie) \
-	le32_get_bits(*((const __le32 *)(ie) + 1), GENMASK(31, 20))
+
+struct rtw89_phy_sts_ie0 {
+	__le32 w0;
+	__le32 w1;
+	__le32 w2;
+} __packed;
+
+#define RTW89_PHY_STS_IE01_W0_CH_IDX GENMASK(23, 16)
+#define RTW89_PHY_STS_IE01_W1_FD_CFO GENMASK(19, 8)
+#define RTW89_PHY_STS_IE01_W1_PREMB_CFO GENMASK(31, 20)
 
 enum rtw89_tx_channel {
 	RTW89_TXCH_ACH0	= 0,