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authorChih-Kang Chang <gary.chang@realtek.com>2025-07-10 12:24:15 +0800
committerPing-Ke Shih <pkshih@realtek.com>2025-07-15 09:29:56 +0800
commit83f84f263420b4a11c1b3c1ba0723c3d374b33ad (patch)
treee96d874698122131a2faa9829426e20af7d0c37b /scripts/lib/kdoc/kdoc_files.py
parentd0b87d9eaf76703b81e511d05db29a5e7ef6c3e0 (diff)
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
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