wifi: rtw89: mcc: solve GO's TBTT change and TBTT too close to NoA issue
For some implementation acting as GO under MCC(GO+STA), the GO's TBTT
might change after STA roams to another AP. This could result the new GO
beacon TX at the STA timeslot of GC+STA, causing GC beacon loss.
Therefore, if the GC detects beacon loss, it will pause MCC and remain
on the GO side for 100 TU to detect the new TBTT beacon.
Additionally, some implementation acting as GO under MCC might TX beacon
too close to the NoA period. The GC calculates timeslot pattern the TOB
(time offset behind) or TOA(time offset ahead) less than the minimum
RX beacon time, which leads to beacon loss. Therefore, disable the
beacon filter in this case. Then, if the GO's TBTT changed, the pattern
TOB/TOA greater than the minimum RX beacon time, the beacon filter should
be retriggered during MCC update.
Moreover, if the beacon filter is disabled initially but the GO timeslot
change, causing QoS null data detection fail, also pause MCC to detect new
TBTT beacon.
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250710042423.73617-7-pkshih@realtek.com