diff options
| author | Peter Chiu <chui-hao.chiu@mediatek.com> | 2022-03-11 22:44:27 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2022-03-16 17:40:22 +0100 |
| commit | 381d9de774d4fb6262eaf489e0f193001e6e5299 (patch) | |
| tree | 833c512412c8a193c8e035dd32cc3e9d5a35dc99 /drivers/net/wireless | |
| parent | bd1407ed22ed56d054dc51b53a39d272ae259e4d (diff) | |
mt76: mt7915: fix phy cap in mt7915_set_stream_he_txbf_caps()
This patch fixes performance issue of beamforming tx on
bandwidth 160MHz.
Fixes: 99ad32a4ca3a ("mt76: mt7915: add support for MT7986")
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/init.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index 668244e0d11e..5534df00617d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -726,11 +726,18 @@ void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy) } static void -mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap, +mt7915_set_stream_he_txbf_caps(struct mt7915_dev *dev, + struct ieee80211_sta_he_cap *he_cap, int vif, int nss) { struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; - u8 c; + u8 c, nss_160; + + /* Can do 1/2 of NSS streams in 160Mhz mode for mt7915 */ + if (is_mt7915(&dev->mt76) && !dev->dbdc_support) + nss_160 = nss / 2; + else + nss_160 = nss; #ifdef CONFIG_MAC80211_MESH if (vif == NL80211_IFTYPE_MESH_POINT) @@ -784,13 +791,21 @@ mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap, /* num_snd_dim * for mt7915, max supported nss is 2 for bw > 80MHz */ - c = (nss - 1) | - IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2; + c = FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK, + nss - 1) | + FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK, + nss_160 - 1); elem->phy_cap_info[5] |= c; c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB; elem->phy_cap_info[6] |= c; + + if (!is_mt7915(&dev->mt76)) { + c = IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ | + IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ; + elem->phy_cap_info[7] |= c; + } } static void @@ -952,7 +967,7 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band, he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map_160); he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map_160); - mt7915_set_stream_he_txbf_caps(he_cap, i, nss); + mt7915_set_stream_he_txbf_caps(dev, he_cap, i, nss); memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); if (he_cap_elem->phy_cap_info[6] & |