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wifi: mt76: mt7996: fix beamformee ss subfield in EHT PHY cap

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[ Upstream commit e19028104b ]

According to P802.11be_D3.2 Table 9-404m, the minimum value of
Beamformee SS field shall be 3. Fix the values to follow the spec.

Fixes: 348533eb96 ("wifi: mt76: mt7996: add EHT capability init")
Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Howard Hsu 2023-08-17 16:01:48 +08:00 committed by Greg Kroah-Hartman
parent 17f7565b20
commit 6f866f72ad
1 changed files with 5 additions and 4 deletions
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9
drivers/net/wireless/mediatek/mt76/mt7996/init.c
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@ -733,16 +733,17 @@ mt7996_init_eht_caps(struct mt7996_phy *phy, enum nl80211_band band,
IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER |
IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
val = max_t(u8, sts - 1, 3);
eht_cap_elem->phy_cap_info[0] |=
u8_encode_bits(u8_get_bits(sts - 1, BIT(0)),
u8_encode_bits(u8_get_bits(val, BIT(0)),
IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK);
eht_cap_elem->phy_cap_info[1] =
u8_encode_bits(u8_get_bits(sts - 1, GENMASK(2, 1)),
u8_encode_bits(u8_get_bits(val, GENMASK(2, 1)),
IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) |
u8_encode_bits(sts - 1,
u8_encode_bits(val,
IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK) |
u8_encode_bits(sts - 1,
u8_encode_bits(val,
IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK);
eht_cap_elem->phy_cap_info[2] =