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authorBen Hutchings <bhutchings@solarflare.com>2009-11-29 15:11:02 +0000
committerDavid S. Miller <davem@davemloft.net>2009-11-29 17:23:54 -0800
commitc383b53729a9bbbceee132a85955d084ba00ca3a (patch)
treeaf6a309a5859a9e2e055e674650aa652dffc010c /drivers/net
parent76884835684411264cda2f15585261eb02183541 (diff)
sfc: Allow for additional checksum offload features
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/sfc/efx.c2
-rw-r--r--drivers/net/sfc/ethtool.c16
-rw-r--r--drivers/net/sfc/falcon.c2
-rw-r--r--drivers/net/sfc/net_driver.h3
4 files changed, 21 insertions, 2 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 4fe6d635ef3..c49d364ebdb 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -2179,7 +2179,7 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
net_dev = alloc_etherdev(sizeof(*efx));
if (!net_dev)
return -ENOMEM;
- net_dev->features |= (NETIF_F_IP_CSUM | NETIF_F_SG |
+ net_dev->features |= (type->offload_features | NETIF_F_SG |
NETIF_F_HIGHDMA | NETIF_F_TSO |
NETIF_F_GRO);
/* Mask for features that also apply to VLAN devices */
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 08a9db99374..0a79ec7d45e 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -468,6 +468,19 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
}
}
+static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+ unsigned long features = efx->type->offload_features & NETIF_F_ALL_CSUM;
+
+ if (enable)
+ net_dev->features |= features;
+ else
+ net_dev->features &= ~features;
+
+ return 0;
+}
+
static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable)
{
struct efx_nic *efx = netdev_priv(net_dev);
@@ -813,7 +826,8 @@ const struct ethtool_ops efx_ethtool_ops = {
.get_rx_csum = efx_ethtool_get_rx_csum,
.set_rx_csum = efx_ethtool_set_rx_csum,
.get_tx_csum = ethtool_op_get_tx_csum,
- .set_tx_csum = ethtool_op_set_tx_csum,
+ /* Need to enable/disable IPv6 too */
+ .set_tx_csum = efx_ethtool_set_tx_csum,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
.get_tso = ethtool_op_get_tso,
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 950de847d22..f77bbbeacb6 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -3304,6 +3304,7 @@ struct efx_nic_type falcon_a1_nic_type = {
.phys_addr_channels = 4,
.tx_dc_base = 0x130000,
.rx_dc_base = 0x100000,
+ .offload_features = NETIF_F_IP_CSUM,
.reset_world_flags = ETH_RESET_IRQ,
};
@@ -3351,6 +3352,7 @@ struct efx_nic_type falcon_b0_nic_type = {
* channels */
.tx_dc_base = 0x130000,
.rx_dc_base = 0x100000,
+ .offload_features = NETIF_F_IP_CSUM,
.reset_world_flags = ETH_RESET_IRQ,
};
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index e1534ba6ad7..96d3f00df64 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -864,6 +864,8 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
* descriptors
* @tx_dc_base: Base address in SRAM of TX queue descriptor caches
* @rx_dc_base: Base address in SRAM of RX queue descriptor caches
+ * @offload_features: net_device feature flags for protocol offload
+ * features implemented in hardware
* @reset_world_flags: Flags for additional components covered by
* reset method RESET_TYPE_WORLD
*/
@@ -904,6 +906,7 @@ struct efx_nic_type {
unsigned int phys_addr_channels;
unsigned int tx_dc_base;
unsigned int rx_dc_base;
+ unsigned long offload_features;
u32 reset_world_flags;
};