[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>
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 4e5e1cb..d23861c 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6218,7 +6218,7 @@
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));
}
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 32e4037..5ee1476 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -8318,7 +8318,7 @@
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);
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index f2d248f..3a63224 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -265,6 +265,7 @@
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);
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 8d5e5a0..0b531e9 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -52,6 +52,17 @@
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_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);