Commit 0e757327 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
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mt76: mt7921: enable rx csum offload 



As already done for mt7615 and mt7915, enable hw rx checksum offload.

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 24299fc8

drivers/net/wireless/mediatek/mt76/mt7921/init.c

+1 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ mt7921_init_wiphy(struct ieee80211_hw *hw) 
	hw->queues = 4;

	hw->max_rx_aggregation_subframes = 64;

	hw->max_tx_aggregation_subframes = 128;

	hw->netdev_features = NETIF_F_RXCSUM;



	hw->radiotap_timestamp.units_pos =

		IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;

drivers/net/wireless/mediatek/mt76/mt7921/mac.c

+7 −3
Original line number Diff line number Diff line
@@ -308,22 +308,23 @@ mt7921_mac_assoc_rssi(struct mt7921_dev *dev, struct sk_buff *skb) 


int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)

{

	u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;

	struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;

	bool hdr_trans, unicast, insert_ccmp_hdr = false;

	u8 chfreq, qos_ctl = 0, remove_pad, amsdu_info;

	__le32 *rxv = NULL, *rxd = (__le32 *)skb->data;

	struct mt76_phy *mphy = &dev->mt76.phy;

	struct mt7921_phy *phy = &dev->phy;

	struct ieee80211_supported_band *sband;

	struct ieee80211_hdr *hdr;

	__le32 *rxd = (__le32 *)skb->data;

	__le32 *rxv = NULL;

	u32 mode = 0;

	u32 rxd0 = le32_to_cpu(rxd[0]);

	u32 rxd1 = le32_to_cpu(rxd[1]);

	u32 rxd2 = le32_to_cpu(rxd[2]);

	u32 rxd3 = le32_to_cpu(rxd[3]);

	u32 rxd4 = le32_to_cpu(rxd[4]);

	u16 seq_ctrl = 0;

	__le16 fc = 0;

	u32 mode = 0;

	int i, idx;



	memset(status, 0, sizeof(*status));
@@ -363,6 +364,9 @@ int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) 
	if (!sband->channels)

		return -EINVAL;



	if ((rxd0 & csum_mask) == csum_mask)

		skb->ip_summed = CHECKSUM_UNNECESSARY;



	if (rxd1 & MT_RXD1_NORMAL_FCS_ERR)

		status->flag |= RX_FLAG_FAILED_FCS_CRC;