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r8169: enable HW csum and TSO 

Enable HW csum and TSO per default except on known buggy chip versions.
Realtek confirmed that RTL8168evl has a HW issue with TSO.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
alistair/sunxi64-5.4-dsi
Heiner Kallweit 2019-07-26 21:51:36 +02:00 committed by David S. Miller
parent 96ea772ef2
commit 93681cd7d9
1 changed files with 11 additions and 5 deletions
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16
drivers/net/ethernet/realtek/r8169_main.c
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@ -6879,11 +6879,9 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT);
/* don't enable SG, IP_CSUM and TSO by default - it might not work
* properly for all devices */
dev->features |= NETIF_F_RXCSUM |
NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX;
dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX;
@ -6903,6 +6901,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (rtl_chip_supports_csum_v2(tp)) {
dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
dev->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 {
@ -6910,6 +6909,13 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->gso_max_segs = RTL_GSO_MAX_SEGS_V1;
}
/* RTL8168e-vl has a HW issue with TSO */
if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
dev->vlan_features &= ~NETIF_F_ALL_TSO;
dev->hw_features &= ~NETIF_F_ALL_TSO;
dev->features &= ~NETIF_F_ALL_TSO;
}
dev->hw_features |= NETIF_F_RXALL;
dev->hw_features |= NETIF_F_RXFCS;