UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mt76: mt7915: disable UL MU-MIMO for mt7915 

After initially establishing a connection, it can produce multi-second latency
spikes and tx hangs when pushing traffic.
It should work better for MT7916 and MT7986, so leave it enabled there

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2022-06-21 20:34:44 +02:00
parent d2f5c8ed9f
commit c3f2ed5888
2 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/net/wireless/mediatek/mt76/mt7915/init.c
View File

@ -753,9 +753,10 @@ mt7915_set_stream_he_txbf_caps(struct mt7915_dev *dev,
elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK;
c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US;
if (!is_mt7915(&dev->mt76))
c |= IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
elem->phy_cap_info[2] |= c;
c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |

9
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
View File

@ -826,8 +826,8 @@ mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
}
static void
mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
struct ieee80211_vif *vif)
mt7915_mcu_sta_muru_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
struct ieee80211_sta *sta, struct ieee80211_vif *vif)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct ieee80211_he_cap_elem *elem = &sta->deflink.he_cap.he_cap_elem;
@ -845,7 +845,8 @@ mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
muru->cfg.mimo_dl_en = mvif->cap.he_mu_ebfer ||
mvif->cap.vht_mu_ebfer ||
mvif->cap.vht_mu_ebfee;
muru->cfg.mimo_ul_en = true;
if (!is_mt7915(&dev->mt76))
muru->cfg.mimo_ul_en = true;
muru->cfg.ofdma_dl_en = true;
if (sta->deflink.vht_cap.vht_supported)
@ -1647,7 +1648,7 @@ int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
/* starec he */
mt7915_mcu_sta_he_tlv(skb, sta, vif);
/* starec muru */
mt7915_mcu_sta_muru_tlv(skb, sta, vif);
mt7915_mcu_sta_muru_tlv(dev, skb, sta, vif);
/* starec bfee */
mt7915_mcu_sta_bfee_tlv(dev, skb, vif, sta);
}