diff mbox series

[net-next,6/7] net: hns3: add a check for devcie's verion in hns3_tunnel_csum_bug()

Message ID 1606466842-57749-7-git-send-email-tanhuazhong@huawei.com
State Superseded
Headers show
Series net: hns3: updates for -next | expand

Commit Message

tanhuazhong Nov. 27, 2020, 8:47 a.m. UTC 
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 mbox series

Patch

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 &&