From: Howard Hsu howard-yh.hsu@mediatek.com
stable inclusion from stable-v6.6.2 commit 6f866f72adb41279fa69bb977ec53c292fbb9d3b category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit e19028104b2de5510b43282f632c4b6453568c41 ]
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: 348533eb968d ("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 Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/net/wireless/mediatek/mt76/mt7996/init.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c index 26e03b28935f..66d8cc0eeabe 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c @@ -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] =