forked from Minki/linux
gre: add GSO support
Add GSO support to GRE tunnels. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Maciej Żenczykowski <maze@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -745,6 +745,10 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
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__be32 dst;
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int mtu;
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if (skb->ip_summed == CHECKSUM_PARTIAL &&
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skb_checksum_help(skb))
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goto tx_error;
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if (dev->type == ARPHRD_ETHER)
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IPCB(skb)->flags = 0;
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@ -1296,6 +1300,11 @@ static void ipgre_dev_free(struct net_device *dev)
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free_netdev(dev);
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}
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#define GRE_FEATURES (NETIF_F_SG | \
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NETIF_F_FRAGLIST | \
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NETIF_F_HIGHDMA | \
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NETIF_F_HW_CSUM)
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static void ipgre_tunnel_setup(struct net_device *dev)
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{
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dev->netdev_ops = &ipgre_netdev_ops;
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@ -1309,6 +1318,9 @@ static void ipgre_tunnel_setup(struct net_device *dev)
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dev->addr_len = 4;
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dev->features |= NETIF_F_NETNS_LOCAL;
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dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
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dev->features |= GRE_FEATURES;
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dev->hw_features |= GRE_FEATURES;
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}
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static int ipgre_tunnel_init(struct net_device *dev)
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