wifi: mt76: mt7996: set EHT max ampdu length capability

Set the max AMPDU length in the EHT MAC CAP. Without this patch, the
peer station cannot obtain the correct capability, which prevents
achieving peak throughput on the 2 GHz band.

Fixes: 1816ad9381e0 ("wifi: mt76: mt7996: add max mpdu len capability")
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Link: https://patch.msgid.link/20250515032952.1653494-3-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
index 5c545293f294d907d7e4cc17138350bfbca8ba7b..213c7bcd4ade4c498ee4c57cfab11fda71bafa26 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7996/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
@@ -1326,6 +1326,9 @@ mt7996_init_eht_caps(struct mt7996_phy *phy, enum nl80211_band band,
                u8_encode_bits(IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454,
                               IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK);
 
+       eht_cap_elem->mac_cap_info[1] |=
+               IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK;
+
        eht_cap_elem->phy_cap_info[0] =
                IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI |
                IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER |