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wifi: rtw88: Fix rtw_init_vht_cap() for RTL8814AU

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[ Upstream commit 6be7544d19fcfcb729495e793bc6181f85bb8949 ]

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>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/e86aa009-b5bf-4b3a-8112-ea5e3cd49465@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Bitterblue Smith
2025-02-18 01:30:48 +02:00
committed by Greg Kroah-Hartman
parent f38a1b35c8
commit a95813193a
1 changed files with 9 additions and 14 deletions
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23
drivers/net/wireless/realtek/rtw88/main.c
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@@ -1580,8 +1580,9 @@ 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)
@@ -1604,21 +1605,15 @@ 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;