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@xxxxxxxxx>
---
drivers/net/wireless/realtek/rtw88/main.c | 23 +++++++++--------------
1 file changed, 9 insertions(+), 14 deletions(-)
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;
--
2.48.1
