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[3/9] wifi: mt76: mt7996: fix beamformee ss subfield in EHT PHY cap

Message ID 20230817080154.16475-3-shayne.chen@mediatek.com
State New
Headers show
Series [1/9] wifi: mt76: mt7996: set correct wcid in txp | expand

Commit Message

Shayne Chen Aug. 17, 2023, 8:01 a.m. UTC
From: Howard Hsu <howard-yh.hsu@mediatek.com>

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>
---
 drivers/net/wireless/mediatek/mt76/mt7996/init.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
index e297e7cb3a7a..de090416c19d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
@@ -732,16 +732,17 @@  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] =