mt76: mt7915: fix SMPS operation fail

TGn fails sending SM power save mode action frame to the AP to switch from dynamic SMPS mode to static mode. Reported-by: Fang Zhao <fang.zhao@mediatek.com> Signed-off-by: Fang Zhao <fang.zhao@mediatek.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
openwrt · Nov 12, 2021 · ae8e02d · ae8e02d
1 parent f44685f
commit ae8e02d
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Showing 2 changed files with 39 additions and 28 deletions.
diff --git a/mt7915/mcu.c b/mt7915/mcu.c
@@ -1752,33 +1752,6 @@ int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
 				     true);
 }
 
-int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
-			struct ieee80211_sta *sta)
-{
-	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
-	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
-	struct wtbl_req_hdr *wtbl_hdr;
-	struct tlv *sta_wtbl;
-	struct sk_buff *skb;
-
-	skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
-				       MT7915_STA_UPDATE_MAX_SIZE);
-	if (IS_ERR(skb))
-		return PTR_ERR(skb);
-
-	sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
-
-	wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
-					     &skb);
-	if (IS_ERR(wtbl_hdr))
-		return PTR_ERR(wtbl_hdr);
-
-	mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_hdr);
-
-	return mt76_mcu_skb_send_msg(&dev->mt76, skb,
-				     MCU_EXT_CMD(STA_REC_UPDATE), true);
-}
-
 static inline bool
 mt7915_is_ebf_supported(struct mt7915_phy *phy, struct ieee80211_vif *vif,
 			struct ieee80211_sta *sta, bool bfee)
@@ -2076,7 +2049,11 @@ int mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev,
 	case RATE_PARAM_FIXED_MCS:
 	case RATE_PARAM_FIXED_GI:
 	case RATE_PARAM_FIXED_HE_LTF:
-		ra->phy = *phy;
+		if (phy)
+			ra->phy = *phy;
+		break;
+	case RATE_PARAM_MMPS_UPDATE:
+		ra->mmps_mode = (sta->smps_mode == IEEE80211_SMPS_DYNAMIC);
 		break;
 	default:
 		break;
@@ -2087,6 +2064,39 @@ int mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev,
 				     MCU_EXT_CMD(STA_REC_UPDATE), true);
 }
 
+int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+			struct ieee80211_sta *sta)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+	struct wtbl_req_hdr *wtbl_hdr;
+	struct tlv *sta_wtbl;
+	struct sk_buff *skb;
+	int ret;
+
+	skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
+				       MT7915_STA_UPDATE_MAX_SIZE);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
+
+	wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
+					     &skb);
+	if (IS_ERR(wtbl_hdr))
+		return PTR_ERR(wtbl_hdr);
+
+	mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_hdr);
+
+	ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
+				    MCU_EXT_CMD(STA_REC_UPDATE), true);
+	if (ret)
+		return ret;
+
+	return mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, NULL,
+					      RATE_PARAM_MMPS_UPDATE);
+}
+
 static int
 mt7915_mcu_add_rate_ctrl_fixed(struct mt7915_dev *dev,
 			       struct ieee80211_vif *vif,

diff --git a/mt7915/mcu.h b/mt7915/mcu.h
@@ -960,6 +960,7 @@ struct sta_rec_ra_fixed {
 
 enum {
 	RATE_PARAM_FIXED = 3,
+	RATE_PARAM_MMPS_UPDATE = 5,
 	RATE_PARAM_FIXED_HE_LTF = 7,
 	RATE_PARAM_FIXED_MCS,
 	RATE_PARAM_FIXED_GI = 11,