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The driver currently hard-zeroes the corresponding receive cap bit in rtw89_init_eht_cap(), which prevents the AP from scheduling Multi-RU OFDMA TBF (Trigger-Based Frame) payloads with sub-242-tone RU allocations to this STA. Set IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP in phy_cap_info[5] to match the certified silicon behaviour. The Tx-side bit (CAP5_TX_LESS_242_TONE_RU_SUPP) remains zero since this driver is STA-mode only and Tx of Multi-RU TBFs is an AP-mode capability. Tested on RTL8922AU (USB variant, same MAC + RF as cert'd PCIe AE) against TP-Link Deco BE63 mesh; STA associates and remains stable for 24h+ with no regression in single-RU traffic patterns or in EMLSR multi-link assoc behavior introduced by the previous EML+R-TWT patch. Link: https://api.cert.wi-fi.org/api/certificate/download/public?variantId=129706 [WFA cert WFA129313] Signed-off-by: Louis Kotze --- drivers/net/wireless/realtek/rtw89/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index 056639db1dfa..986deb2c1384 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -5598,7 +5598,8 @@ static void rtw89_init_eht_cap(struct rtw89_dev *rtwdev, eht_cap_elem->phy_cap_info[5] = u8_encode_bits(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US, - IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); + IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK) | + IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP; eht_cap_elem->phy_cap_info[6] = 0; eht_cap_elem->phy_cap_info[7] = 0; -- 2.54.0