As already done for mt7615 and mt7915, enable hw rx checksum offload.
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7921/init.c | 1 +
drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 10 +++++++---
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index 91885d7417a4..0f8cb1a798bc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -50,6 +50,7 @@ mt7921_init_wiphy(struct ieee80211_hw *hw)
hw->queues = 4;
hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+ hw->netdev_features = NETIF_F_RXCSUM;
hw->radiotap_timestamp.units_pos =
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 74974f689462..44b8918db95b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -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;
--
2.30.2
