diff options
| author | Felix Fietkau <nbd@nbd.name> | 2020-12-16 21:04:24 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-04-11 19:50:37 +0300 |
| commit | 94244d2ea503455cddec5a4de28d59c74e1aaf47 (patch) | |
| tree | d213f4563fde227238bf98e5837ac4f6c6a84374 | |
| parent | cc4b3c139ad308fcd0086baa9dc13bf60e1b802f (diff) | |
| download | linux-94244d2ea503455cddec5a4de28d59c74e1aaf47.tar.xz | |
mt76: mt7915: 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: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/init.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index 76dfcb76fb03..34a4fee24c48 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -93,6 +93,7 @@ mt7915_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; phy->slottime = 9; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 48408ec4ad3c..83dd504e7bf1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -317,10 +317,12 @@ int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb) __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]); + u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM; bool unicast, insert_ccmp_hdr = false; u8 remove_pad, amsdu_info; int i, idx; @@ -366,6 +368,9 @@ int mt7915_mac_fill_rx(struct mt7915_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; |