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Commit 69f6a0fa authored by Jon Mason's avatar Jon Mason Committed by David S. Miller
Browse files

[NET]: Add ethtool support for NETIF_F_HW_CSUM. 



Signed-off-by: default avatarJon Mason <jdmason@us.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 37e20a66

include/linux/ethtool.h

+1 −0
Original line number Diff line number Diff line
@@ -256,6 +256,7 @@ struct net_device; 
u32 ethtool_op_get_link(struct net_device *dev);

u32 ethtool_op_get_tx_csum(struct net_device *dev);

int ethtool_op_set_tx_csum(struct net_device *dev, u32 data);

int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data);

u32 ethtool_op_get_sg(struct net_device *dev);

int ethtool_op_set_sg(struct net_device *dev, u32 data);

u32 ethtool_op_get_tso(struct net_device *dev);

net/core/ethtool.c

+11 −1
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ u32 ethtool_op_get_link(struct net_device *dev) 


u32 ethtool_op_get_tx_csum(struct net_device *dev)

{

	return (dev->features & NETIF_F_IP_CSUM) != 0;

	return (dev->features & (NETIF_F_IP_CSUM | NETIF_F_HW_CSUM)) != 0;

}



int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
@@ -42,6 +42,15 @@ int ethtool_op_set_tx_csum(struct net_device *dev, u32 data) 
	return 0;

}



int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data)

{

	if (data)

		dev->features |= NETIF_F_HW_CSUM;

	else

		dev->features &= ~NETIF_F_HW_CSUM;



	return 0;

}

u32 ethtool_op_get_sg(struct net_device *dev)

{

	return (dev->features & NETIF_F_SG) != 0;
@@ -823,3 +832,4 @@ EXPORT_SYMBOL(ethtool_op_get_tx_csum); 
EXPORT_SYMBOL(ethtool_op_set_sg);

EXPORT_SYMBOL(ethtool_op_set_tso);

EXPORT_SYMBOL(ethtool_op_set_tx_csum);

EXPORT_SYMBOL(ethtool_op_set_tx_hw_csum);