[PATCH net-next 1/4] r8169: set GSO size and segment limits

[Heiner Kallweit]

Set GSO max size and max segment number as in the vendor driver.

Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
---
 drivers/net/ethernet/realtek/r8169_main.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/realtek/r8169_main.c 
b/drivers/net/ethernet/realtek/r8169_main.c
index 5c337234b..52a9e2d2f 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -569,6 +569,11 @@ enum rtl_rx_desc_bit {
 
 #define RsvdMask       0x3fffc000
 
+#define RTL_GSO_MAX_SIZE_V1    32000
+#define RTL_GSO_MAX_SEGS_V1    24
+#define RTL_GSO_MAX_SIZE_V2    64000
+#define RTL_GSO_MAX_SEGS_V2    64
+
 struct TxDesc {
        __le32 opts1;
        __le32 opts2;
@@ -6919,8 +6924,14 @@ static int rtl_init_one(struct pci_dev *pdev, const 
struct pci_device_id *ent)
                /* Disallow toggling */
                dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
 
-       if (rtl_chip_supports_csum_v2(tp))
+       if (rtl_chip_supports_csum_v2(tp)) {
                dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
+               dev->gso_max_size = RTL_GSO_MAX_SIZE_V2;
+               dev->gso_max_segs = RTL_GSO_MAX_SEGS_V2;
+       } else {
+               dev->gso_max_size = RTL_GSO_MAX_SIZE_V1;
+               dev->gso_max_segs = RTL_GSO_MAX_SEGS_V1;
+       }
 
        dev->hw_features |= NETIF_F_RXALL;
        dev->hw_features |= NETIF_F_RXFCS;
-- 
2.22.0