diff mbox series

[v2,4/8] wifi: rtw88: Fix rtw_init_vht_cap() for RTL8814AU

Message ID 377e675b-3962-4f88-823a-5ca74eeee50b@gmail.com (mailing list archive)
State Superseded
Delegated to: Ping-Ke Shih
Headers show
Series wifi: rtw88: Prepare to support RTL8814AU (part 2/2) | expand

Commit Message

Bitterblue Smith Feb. 15, 2025, 10 p.m. UTC 
Set the MCS maps and the highest rates according to the number of
spatial streams the chip has. For RTL8814AU that is 3.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
---
v2:
 - Add Acked-by.
---
 drivers/net/wireless/realtek/rtw88/main.c | 23 +++++++++--------------
 1 file changed, 9 insertions(+), 14 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index 3319bb5044c3..959f56a3cc1a 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -1596,8 +1596,9 @@  static void rtw_init_vht_cap(struct rtw_dev *rtwdev,
 			     struct ieee80211_sta_vht_cap *vht_cap)
 {
 	struct rtw_efuse *efuse = &rtwdev->efuse;
-	u16 mcs_map;
+	u16 mcs_map = 0;
 	__le16 highest;
+	int i;
 
 	if (efuse->hw_cap.ptcl != EFUSE_HW_CAP_IGNORE &&
 	    efuse->hw_cap.ptcl != EFUSE_HW_CAP_PTCL_VHT)
@@ -1620,21 +1621,15 @@  static void rtw_init_vht_cap(struct rtw_dev *rtwdev,
 	if (rtw_chip_has_rx_ldpc(rtwdev))
 		vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC;
 
-	mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
-		  IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
-		  IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
-		  IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
-		  IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
-		  IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
-		  IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
-	if (efuse->hw_cap.nss > 1) {
-		highest = cpu_to_le16(780);
-		mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << 2;
-	} else {
-		highest = cpu_to_le16(390);
-		mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << 2;
+	for (i = 0; i < 8; i++) {
+		if (i < efuse->hw_cap.nss)
+			mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
+		else
+			mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
 	}
 
+	highest = cpu_to_le16(390 * efuse->hw_cap.nss);
+
 	vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
 	vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
 	vht_cap->vht_mcs.rx_highest = highest;