Commit d027b64c authored by Felix Fietkau's avatar Felix Fietkau
Browse files

mt76: mt7915: do not set DRR group for stations 



This is causing some extreme latency spikes when sending traffic to
multiple stations at the same time. Disable this until the firmware issue
is sorted out

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 0c2d0980

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

+0 −30
Original line number Diff line number Diff line
@@ -2198,32 +2198,6 @@ int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif, 
				     MCU_EXT_CMD_STA_REC_UPDATE, true);

}



static int

mt7915_mcu_add_group(struct mt7915_dev *dev, struct ieee80211_vif *vif,

		     struct ieee80211_sta *sta)

{

#define MT_STA_BSS_GROUP		1

	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;

	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;

	struct {

		__le32 action;

		u8 wlan_idx_lo;

		u8 status;

		u8 wlan_idx_hi;

		u8 rsv0[5];

		__le32 val;

		u8 rsv1[8];

	} __packed req = {

		.action = cpu_to_le32(MT_STA_BSS_GROUP),

		.wlan_idx_lo = to_wcid_lo(msta->wcid.idx),

		.wlan_idx_hi = to_wcid_hi(msta->wcid.idx),

		.val = cpu_to_le32(mvif->idx % 16),

	};



	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_DRR_CTRL, &req,

				 sizeof(req), true);

}



int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,

			   struct ieee80211_sta *sta, bool enable)

{
@@ -2233,10 +2207,6 @@ int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif, 
		return 0;



	/* must keep the order */

	ret = mt7915_mcu_add_group(dev, vif, sta);

	if (ret)

		return ret;



	ret = mt7915_mcu_add_txbf(dev, vif, sta, enable);

	if (ret)

		return ret;