Messages in this thread Patch in this message |  | | From | Huazhong Tan <> | Subject | [PATCH net-next 6/7] net: hns3: add a check for devcie's verion in hns3_tunnel_csum_bug() | Date | Fri, 27 Nov 2020 16:47:21 +0800 |
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For the device whose version is above V3(include V3), the hardware can do checksum offload for the non-tunnel udp packet, who has a dest port as the IANA assigned. So add a check for devcie's verion in hns3_tunnel_csum_bug().
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 07bdb3d5..b51bf61 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -828,8 +828,16 @@ static int hns3_get_l4_protocol(struct sk_buff *skb, u8 *ol4_proto, */ static bool hns3_tunnel_csum_bug(struct sk_buff *skb) { + struct hns3_nic_priv *priv = netdev_priv(skb->dev); + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev); union l4_hdr_info l4; + /* device version above V3(include V3), the hardware can + * do this checksum offload. + */ + if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) + return false; + l4.hdr = skb_transport_header(skb); if (!(!skb->encapsulation && -- 2.7.4
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