forked from luck/tmp_suning_uos_patched
[SCSI] net: reclaim 8 upper bits of the netdev->features from GSO
Reclaim 8 upper bits of netdev->features from GSO. Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: Yi Zou <yi.zou@intel.com> Acked-by: David Miller <davem@davemloft.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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@ -1511,7 +1511,7 @@ static int xennet_set_tso(struct net_device *dev, u32 data)
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static void xennet_set_features(struct net_device *dev)
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{
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/* Turn off all GSO bits except ROBUST. */
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dev->features &= (1 << NETIF_F_GSO_SHIFT) - 1;
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dev->features &= ~NETIF_F_GSO_MASK;
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dev->features |= NETIF_F_GSO_ROBUST;
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xennet_set_sg(dev, 0);
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@ -652,7 +652,7 @@ struct net_device
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/* Segmentation offload features */
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#define NETIF_F_GSO_SHIFT 16
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#define NETIF_F_GSO_MASK 0xffff0000
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#define NETIF_F_GSO_MASK 0x00ff0000
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#define NETIF_F_TSO (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
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#define NETIF_F_UFO (SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
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#define NETIF_F_GSO_ROBUST (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)
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