Commit 93681cd7 authored by Heiner Kallweit's avatar Heiner Kallweit Committed by David S. Miller
Browse files

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: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 96ea772e

drivers/net/ethernet/realtek/r8169_main.c

+11 −5
Original line number Diff line number Diff line
@@ -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;

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