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Commit f6eec614 authored by Pravin B Shelar's avatar Pravin B Shelar
Browse files

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: default avatarPravin B Shelar <pshelar@nicira.com>
Acked-by: default avatarAndy Zhou <azhou@nicira.com>
parent 5cd667b0

include/linux/netdev_features.h

+8 −0
Original line number Diff line number Diff line
@@ -176,4 +176,12 @@ enum { 
				 NETIF_F_HW_VLAN_STAG_RX | \

				 NETIF_F_HW_VLAN_STAG_TX)



#define NETIF_F_GSO_ENCAP_ALL	(NETIF_F_GSO_GRE |			\

				 NETIF_F_GSO_GRE_CSUM |			\

				 NETIF_F_GSO_IPIP |			\

				 NETIF_F_GSO_SIT |			\

				 NETIF_F_GSO_UDP_TUNNEL |		\

				 NETIF_F_GSO_UDP_TUNNEL_CSUM |		\

				 NETIF_F_GSO_MPLS)



#endif	/* _LINUX_NETDEV_FEATURES_H */

net/openvswitch/vport-internal_dev.c

+4 −1
Original line number Diff line number Diff line
@@ -140,11 +140,14 @@ static void do_setup(struct net_device *netdev) 
	netdev->tx_queue_len = 0;



	netdev->features = NETIF_F_LLTX | NETIF_F_SG | NETIF_F_FRAGLIST |

			   NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | NETIF_F_GSO_SOFTWARE;

			   NETIF_F_HIGHDMA | NETIF_F_HW_CSUM |

			   NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ENCAP_ALL;



	netdev->vlan_features = netdev->features;

	netdev->hw_enc_features = netdev->features;

	netdev->features |= NETIF_F_HW_VLAN_CTAG_TX;

	netdev->hw_features = netdev->features & ~NETIF_F_LLTX;



	eth_hw_addr_random(netdev);

}