openvswitch: Enable tunnel GSO for OVS bridge.
Following patch enables all available tunnel GSO features for OVS bridge device so that ovs can use hardware offloads available to underling device. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Andy Zhou <azhou@nicira.com>
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@ -176,4 +176,12 @@ enum {
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NETIF_F_HW_VLAN_STAG_RX | \
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NETIF_F_HW_VLAN_STAG_RX | \
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NETIF_F_HW_VLAN_STAG_TX)
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NETIF_F_HW_VLAN_STAG_TX)
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#define NETIF_F_GSO_ENCAP_ALL (NETIF_F_GSO_GRE | \
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NETIF_F_GSO_GRE_CSUM | \
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NETIF_F_GSO_IPIP | \
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NETIF_F_GSO_SIT | \
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NETIF_F_GSO_UDP_TUNNEL | \
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NETIF_F_GSO_UDP_TUNNEL_CSUM | \
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NETIF_F_GSO_MPLS)
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#endif /* _LINUX_NETDEV_FEATURES_H */
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#endif /* _LINUX_NETDEV_FEATURES_H */
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@ -140,11 +140,14 @@ static void do_setup(struct net_device *netdev)
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netdev->tx_queue_len = 0;
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netdev->tx_queue_len = 0;
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netdev->features = NETIF_F_LLTX | NETIF_F_SG | NETIF_F_FRAGLIST |
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netdev->features = NETIF_F_LLTX | NETIF_F_SG | NETIF_F_FRAGLIST |
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NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | NETIF_F_GSO_SOFTWARE;
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NETIF_F_HIGHDMA | NETIF_F_HW_CSUM |
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NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ENCAP_ALL;
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netdev->vlan_features = netdev->features;
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netdev->vlan_features = netdev->features;
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netdev->hw_enc_features = netdev->features;
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netdev->features |= NETIF_F_HW_VLAN_CTAG_TX;
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netdev->features |= NETIF_F_HW_VLAN_CTAG_TX;
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netdev->hw_features = netdev->features & ~NETIF_F_LLTX;
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netdev->hw_features = netdev->features & ~NETIF_F_LLTX;
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eth_hw_addr_random(netdev);
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eth_hw_addr_random(netdev);
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}
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}
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