8723D doesn't support beamform because rtw88 only supports VHT beamform
but 8723d doesn't have VHT capability. Though 8723d doesn't support
beamform, BSS_CHANGED_MU_GROUPS is still marked as changed when doing
disassociation. So, add wrapper functions for all beamform ops to make
sure they aren't NULL before calling.
Signed-off-by: Ping-Ke Shih <pkshih@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/20200420055054.14592-3-yhchuang@realtek.com
Enable MU-MIMO transmit beamformee support for chipset 8822b and 8822c.
If the driver is in station mode and associated with an AP, and the
capabilities of both meet the requirement of beamforming, driver will
run as a beamformee and the corresponding chip settings will be set.
In addition, module parameter support_bf is added to enable or disable
beamforming. Sometimes driver will need to disable for inter-operate
issues, and it would be easier for driver to debug.
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>
