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| author | Ryder Lee <ryder.lee@mediatek.com> | 2021-02-18 09:34:39 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-04-12 00:01:21 +0200 |
| commit | 2122dfbfd0bd951a6bded5fbd9a1e87b37c41caa (patch) | |
| tree | 4c20c4df20777b39d608b2f506cdca928780e006 /drivers/net/wireless/mediatek/mt76/mt7615 | |
| parent | e78d73e01db3309bbc099be87a5157d3c710fcc8 (diff) | |
| download | linux-stable-2122dfbfd0bd951a6bded5fbd9a1e87b37c41caa.tar.gz linux-stable-2122dfbfd0bd951a6bded5fbd9a1e87b37c41caa.tar.bz2 linux-stable-2122dfbfd0bd951a6bded5fbd9a1e87b37c41caa.zip | |
mt76: mt7615: add rx checksum offload support
Set skb->ip_summed to CHECKSUM_UNNECESSARY if the hardware has validated
the IP and TCP/UDP checksum
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/init.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index a97cc723094c..fd38737a27bd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -329,6 +329,7 @@ mt7615_init_wiphy(struct ieee80211_hw *hw) hw->max_rates = 3; hw->max_report_rates = 7; hw->max_rate_tries = 11; + hw->netdev_features = NETIF_F_RXCSUM; phy->slottime = 9; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index 928edd158f64..340beff0e121 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -234,6 +234,7 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) u32 rxd0 = le32_to_cpu(rxd[0]); u32 rxd1 = le32_to_cpu(rxd[1]); u32 rxd2 = le32_to_cpu(rxd[2]); + u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM; __le32 rxd12 = rxd[12]; bool unicast, remove_pad, insert_ccmp_hdr = false; int phy_idx; @@ -271,6 +272,9 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) spin_unlock_bh(&dev->sta_poll_lock); } + if ((rxd0 & csum_mask) == csum_mask) + skb->ip_summed = CHECKSUM_UNNECESSARY; + if (rxd2 & MT_RXD2_NORMAL_FCS_ERR) status->flag |= RX_FLAG_FAILED_FCS_CRC; |