| From da1c93b8c6480cfcd605cd8c19111a6df8c9f8b4 Mon Sep 17 00:00:00 2001 |
| From: Howard Hsu <howard-yh.hsu@mediatek.com> |
| Date: Fri, 2 Jun 2023 15:12:34 +0800 |
| Subject: [PATCH] wifi: mt76: mt7996: fix beamformee ss subfield in EHT PHY |
| caps IE |
| |
| According to P802.11be_D2.1 Table 9-401I, the minimum value of Beamformee SS shall |
| be 3. Fix it to ensure that the value of Beamformee SS subfield is at least 3. |
| |
| Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com> |
| --- |
| mt7996/init.c | 9 +++++---- |
| 1 file changed, 5 insertions(+), 4 deletions(-) |
| |
| diff --git a/mt7996/init.c b/mt7996/init.c |
| index 9eba689a..96c4bb01 100644 |
| --- a/mt7996/init.c |
| +++ b/mt7996/init.c |
| @@ -936,16 +936,17 @@ 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] = |
| -- |
| 2.18.0 |
| |