r8169: set GSO size and segment limits

[linux.git] / drivers / net / ethernet / realtek / r8169_main.c

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 5c337234b7bc25e02bc9e005d11e21c7a54fd845..52a9e2d2fc73de32a71f0cf1cef38bb05697830f 100644 (file)
--- 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;