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mt76: mt7921: enable rx csum offload

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

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi
2021-05-06 20:13:35 +02:00
committed by Felix Fietkau
parent 24299fc869
commit 0e75732764
2 changed files with 8 additions and 3 deletions
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1
drivers/net/wireless/mediatek/mt76/mt7921/init.c
View File

@ -50,6 +50,7 @@ mt7921_init_wiphy(struct ieee80211_hw *hw)
hw->queues = 4; hw->queues = 4;
hw->max_rx_aggregation_subframes = 64; hw->max_rx_aggregation_subframes = 64;
hw->max_tx_aggregation_subframes = 128; hw->max_tx_aggregation_subframes = 128;
hw->netdev_features = NETIF_F_RXCSUM;
hw->radiotap_timestamp.units_pos = hw->radiotap_timestamp.units_pos =
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US; IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;

10
drivers/net/wireless/mediatek/mt76/mt7921/mac.c
View File

@ -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) 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; struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
bool hdr_trans, unicast, insert_ccmp_hdr = false; bool hdr_trans, unicast, insert_ccmp_hdr = false;
u8 chfreq, qos_ctl = 0, remove_pad, amsdu_info; u8 chfreq, qos_ctl = 0, remove_pad, amsdu_info;
__le32 *rxv = NULL, *rxd = (__le32 *)skb->data;
struct mt76_phy *mphy = &dev->mt76.phy; struct mt76_phy *mphy = &dev->mt76.phy;
struct mt7921_phy *phy = &dev->phy; struct mt7921_phy *phy = &dev->phy;
struct ieee80211_supported_band *sband; struct ieee80211_supported_band *sband;
struct ieee80211_hdr *hdr; struct ieee80211_hdr *hdr;
__le32 *rxd = (__le32 *)skb->data; u32 rxd0 = le32_to_cpu(rxd[0]);
__le32 *rxv = NULL;
u32 mode = 0;
u32 rxd1 = le32_to_cpu(rxd[1]); u32 rxd1 = le32_to_cpu(rxd[1]);
u32 rxd2 = le32_to_cpu(rxd[2]); u32 rxd2 = le32_to_cpu(rxd[2]);
u32 rxd3 = le32_to_cpu(rxd[3]); u32 rxd3 = le32_to_cpu(rxd[3]);
u32 rxd4 = le32_to_cpu(rxd[4]); u32 rxd4 = le32_to_cpu(rxd[4]);
u16 seq_ctrl = 0; u16 seq_ctrl = 0;
__le16 fc = 0; __le16 fc = 0;
u32 mode = 0;
int i, idx; int i, idx;
memset(status, 0, sizeof(*status)); 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) if (!sband->channels)
return -EINVAL; return -EINVAL;
if ((rxd0 & csum_mask) == csum_mask)
skb->ip_summed = CHECKSUM_UNNECESSARY;
if (rxd1 & MT_RXD1_NORMAL_FCS_ERR) if (rxd1 & MT_RXD1_NORMAL_FCS_ERR)
status->flag |= RX_FLAG_FAILED_FCS_CRC; status->flag |= RX_FLAG_FAILED_FCS_CRC;