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[NET]: Add ethtool support for NETIF_F_IPV6_CSUM devices. 

Add ethtool utility function to set or clear IPV6_CSUM feature flag.
Modify tg3.c and bnx2.c to use this function when doing ethtool -K
to change tx checksum.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2007-07-14 19:07:52 -07:00 committed by David S. Miller
parent febca281f6
commit 6460d948f3
4 changed files with 15 additions and 2 deletions
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2
drivers/net/bnx2.c
View File

@ -6218,7 +6218,7 @@ bnx2_set_tx_csum(struct net_device *dev, u32 data)
struct bnx2 *bp = netdev_priv(dev);
if (CHIP_NUM(bp) == CHIP_NUM_5709)
return (ethtool_op_set_tx_hw_csum(dev, data));
return (ethtool_op_set_tx_ipv6_csum(dev, data));
else
return (ethtool_op_set_tx_csum(dev, data));
}

2
drivers/net/tg3.c
View File

@ -8318,7 +8318,7 @@ static int tg3_set_tx_csum(struct net_device *dev, u32 data)
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
ethtool_op_set_tx_hw_csum(dev, data);
ethtool_op_set_tx_ipv6_csum(dev, data);
else
ethtool_op_set_tx_csum(dev, data);

1
include/linux/ethtool.h
View File

@ -265,6 +265,7 @@ 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);
int ethtool_op_set_tx_ipv6_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);

12
net/core/ethtool.c
View File

@ -52,6 +52,17 @@ int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data)
return 0;
}
int ethtool_op_set_tx_ipv6_csum(struct net_device *dev, u32 data)
{
if (data)
dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
else
dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
return 0;
}
u32 ethtool_op_get_sg(struct net_device *dev)
{
return (dev->features & NETIF_F_SG) != 0;
@ -980,5 +991,6 @@ 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);
EXPORT_SYMBOL(ethtool_op_set_tx_ipv6_csum);
EXPORT_SYMBOL(ethtool_op_set_ufo);
EXPORT_SYMBOL(ethtool_op_get_ufo);