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Commit ee579677 authored by Pravin B Shelar's avatar Pravin B Shelar Committed by David S. Miller
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tunnel: Inherit NETIF_F_SG for hw_enc_features. 



Inherit scatergather feature for tunnel devices to avoid
copy for TSO packets of tunneling device like GRE.

Signed-off-by: default avatarPravin B Shelar <pshelar@nicira.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ec5f0615

net/core/dev.c

+4 −0
Original line number Diff line number Diff line
@@ -5205,6 +5205,10 @@ int register_netdevice(struct net_device *dev) 
	 */

	dev->vlan_features |= NETIF_F_HIGHDMA;



	/* Make NETIF_F_SG inheritable to tunnel devices.

	 */

	dev->hw_enc_features |= NETIF_F_SG;



	ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);

	ret = notifier_to_errno(ret);

	if (ret)