1 files changed, 12 insertions, 83 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 4c2f62696b56..5b48a725e637 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -218,86 +218,6 @@ mt7921_mac_assoc_rssi(struct mt7921_dev *dev, struct sk_buff *skb)
 		mt7921_mac_rssi_iter, skb);
 }
 
-/* The HW does not translate the mac header to 802.3 for mesh point */
-static int mt7921_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap)
-{
-	struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
-	struct ethhdr *eth_hdr = (struct ethhdr *)(skb->data + hdr_gap);
-	struct mt7921_sta *msta = (struct mt7921_sta *)status->wcid;
-	__le32 *rxd = (__le32 *)skb->data;
-	struct ieee80211_sta *sta;
-	struct ieee80211_vif *vif;
-	struct ieee80211_hdr hdr;
-	u16 frame_control;
-
-	if (le32_get_bits(rxd[3], MT_RXD3_NORMAL_ADDR_TYPE) !=
-	    MT_RXD3_NORMAL_U2M)
-		return -EINVAL;
-
-	if (!(le32_to_cpu(rxd[1]) & MT_RXD1_NORMAL_GROUP_4))
-		return -EINVAL;
-
-	if (!msta || !msta->vif)
-		return -EINVAL;
-
-	sta = container_of((void *)msta, struct ieee80211_sta, drv_priv);
-	vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
-
-	/* store the info from RXD and ethhdr to avoid being overridden */
-	frame_control = le32_get_bits(rxd[6], MT_RXD6_FRAME_CONTROL);
-	hdr.frame_control = cpu_to_le16(frame_control);
-	hdr.seq_ctrl = cpu_to_le16(le32_get_bits(rxd[8], MT_RXD8_SEQ_CTRL));
-	hdr.duration_id = 0;
-
-	ether_addr_copy(hdr.addr1, vif->addr);
-	ether_addr_copy(hdr.addr2, sta->addr);
-	switch (frame_control & (IEEE80211_FCTL_TODS |
-				 IEEE80211_FCTL_FROMDS)) {
-	case 0:
-		ether_addr_copy(hdr.addr3, vif->bss_conf.bssid);
-		break;
-	case IEEE80211_FCTL_FROMDS:
-		ether_addr_copy(hdr.addr3, eth_hdr->h_source);
-		break;
-	case IEEE80211_FCTL_TODS:
-		ether_addr_copy(hdr.addr3, eth_hdr->h_dest);
-		break;
-	case IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS:
-		ether_addr_copy(hdr.addr3, eth_hdr->h_dest);
-		ether_addr_copy(hdr.addr4, eth_hdr->h_source);
-		break;
-	default:
-		break;
-	}
-
-	skb_pull(skb, hdr_gap + sizeof(struct ethhdr) - 2);
-	if (eth_hdr->h_proto == cpu_to_be16(ETH_P_AARP) ||
-	    eth_hdr->h_proto == cpu_to_be16(ETH_P_IPX))
-		ether_addr_copy(skb_push(skb, ETH_ALEN), bridge_tunnel_header);
-	else if (be16_to_cpu(eth_hdr->h_proto) >= ETH_P_802_3_MIN)
-		ether_addr_copy(skb_push(skb, ETH_ALEN), rfc1042_header);
-	else
-		skb_pull(skb, 2);
-
-	if (ieee80211_has_order(hdr.frame_control))
-		memcpy(skb_push(skb, IEEE80211_HT_CTL_LEN), &rxd[9],
-		       IEEE80211_HT_CTL_LEN);
-	if (ieee80211_is_data_qos(hdr.frame_control)) {
-		__le16 qos_ctrl;
-
-		qos_ctrl = cpu_to_le16(le32_get_bits(rxd[8], MT_RXD8_QOS_CTL));
-		memcpy(skb_push(skb, IEEE80211_QOS_CTL_LEN), &qos_ctrl,
-		       IEEE80211_QOS_CTL_LEN);
-	}
-
-	if (ieee80211_has_a4(hdr.frame_control))
-		memcpy(skb_push(skb, sizeof(hdr)), &hdr, sizeof(hdr));
-	else
-		memcpy(skb_push(skb, sizeof(hdr) - 6), &hdr, sizeof(hdr) - 6);
-
-	return 0;
-}
-
 static int
 mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
 {
@@ -315,6 +235,7 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
 	u32 rxd2 = le32_to_cpu(rxd[2]);
 	u32 rxd3 = le32_to_cpu(rxd[3]);
 	u32 rxd4 = le32_to_cpu(rxd[4]);
+	struct mt7921_sta *msta;
 	u16 seq_ctrl = 0;
 	__le16 fc = 0;
 	u32 mode = 0;
@@ -345,8 +266,6 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
 	status->wcid = mt7921_rx_get_wcid(dev, idx, unicast);
 
 	if (status->wcid) {
-		struct mt7921_sta *msta;
-
 		msta = container_of(status->wcid, struct mt7921_sta, wcid);
 		spin_lock_bh(&dev->sta_poll_lock);
 		if (list_empty(&msta->poll_list))
@@ -581,8 +500,18 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
 
 	hdr_gap = (u8 *)rxd - skb->data + 2 * remove_pad;
 	if (hdr_trans && ieee80211_has_morefrags(fc)) {
-		if (mt7921_reverse_frag0_hdr_trans(skb, hdr_gap))
+		struct ieee80211_vif *vif;
+		int err;
+
+		if (!msta || !msta->vif)
 			return -EINVAL;
+
+		vif = container_of((void *)msta->vif, struct ieee80211_vif,
+				   drv_priv);
+		err = mt76_connac2_reverse_frag0_hdr_trans(vif, skb, hdr_gap);
+		if (err)
+			return err;
+
 		hdr_trans = false;
 	} else {
 		skb_pull(skb, hdr_gap);