diff options
| author | Tzu-En Huang <tehuang@realtek.com> | 2020-06-03 17:42:16 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-07-15 12:08:14 +0300 |
| commit | 5f4eab883c6a0abd9e071ba3ebe0c03043ceda7c (patch) | |
| tree | fe5728fdd7e7dfc4c513541bbc05a6adcb5f20ff /drivers/net/wireless/realtek/rtw88/bf.c | |
| parent | 3a4312828ce13e1645fd3af76e4314a2623b3361 (diff) | |
rtw88: 8821c: add beamformee support
Beamforming is used for directional signal transmission/reception.
Beamformee plays the role for signal reception, and makes the RX
performance better in middle distance range.
Implement beamformee related callbacks for 8821c.
Since 8821c only support 1ss rate, nc_index in beamformee setting
needs to be adjusted based on the capability.
Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200603094218.19942-4-yhchuang@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/bf.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/bf.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/bf.c b/drivers/net/wireless/realtek/rtw88/bf.c index 8a070d5d9174..aff70e4ae028 100644 --- a/drivers/net/wireless/realtek/rtw88/bf.c +++ b/drivers/net/wireless/realtek/rtw88/bf.c @@ -183,7 +183,7 @@ void rtw_bf_del_sounding(struct rtw_dev *rtwdev) void rtw_bf_enable_bfee_su(struct rtw_dev *rtwdev, struct rtw_vif *vif, struct rtw_bfee *bfee) { - u8 nc_index = 1; + u8 nc_index = hweight8(rtwdev->hal.antenna_rx) - 1; u8 nr_index = bfee->sound_dim; u8 grouping = 0, codebookinfo = 1, coefficientsize = 3; u32 addr_bfer_info, addr_csi_rpt, csi_param; @@ -231,7 +231,8 @@ void rtw_bf_enable_bfee_mu(struct rtw_dev *rtwdev, struct rtw_vif *vif, { struct rtw_bf_info *bf_info = &rtwdev->bf_info; struct mu_bfer_init_para param; - u8 nc_index = 1, nr_index = 1; + u8 nc_index = hweight8(rtwdev->hal.antenna_rx) - 1; + u8 nr_index = 1; u8 grouping = 0, codebookinfo = 1, coefficientsize = 0; u32 csi_param; |