Commit ade36cce authored by Huazhong Tan's avatar Huazhong Tan Committed by Jakub Kicinski
Browse files

net: hns3: add a check for devcie's verion in hns3_tunnel_csum_bug() 



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: default avatarHuazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent b1533ada

drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

+8 −0
Original line number Diff line number Diff line
@@ -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 &&