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sfc: Implement generic features interface

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Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2011-04-05 15:00:02 +01:00
parent f82d9a67fb
commit abfe903980
4 changed files with 18 additions and 84 deletions
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20
drivers/net/sfc/efx.c
View file

@ -1874,6 +1874,17 @@ static void efx_set_multicast_list(struct net_device *net_dev)
/* Otherwise efx_start_port() will do this */
}
static int efx_set_features(struct net_device *net_dev, u32 data)
{
struct efx_nic *efx = netdev_priv(net_dev);
/* If disabling RX n-tuple filtering, clear existing filters */
if (net_dev->features & ~data & NETIF_F_NTUPLE)
efx_filter_clear_rx(efx, EFX_FILTER_PRI_MANUAL);
return 0;
}
static const struct net_device_ops efx_netdev_ops = {
.ndo_open = efx_net_open,
.ndo_stop = efx_net_stop,
@ -1885,6 +1896,7 @@ static const struct net_device_ops efx_netdev_ops = {
.ndo_change_mtu = efx_change_mtu,
.ndo_set_mac_address = efx_set_mac_address,
.ndo_set_multicast_list = efx_set_multicast_list,
.ndo_set_features = efx_set_features,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = efx_netpoll,
#endif
@ -2269,7 +2281,6 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
strlcpy(efx->name, pci_name(pci_dev), sizeof(efx->name));
efx->net_dev = net_dev;
efx->rx_checksum_enabled = true;
spin_lock_init(&efx->stats_lock);
mutex_init(&efx->mac_lock);
efx->mac_op = type->default_mac_ops;
@ -2452,12 +2463,15 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
return -ENOMEM;
net_dev->features |= (type->offload_features | NETIF_F_SG |
NETIF_F_HIGHDMA | NETIF_F_TSO |
NETIF_F_GRO);
NETIF_F_RXCSUM);
if (type->offload_features & NETIF_F_V6_CSUM)
net_dev->features |= NETIF_F_TSO6;
/* Mask for features that also apply to VLAN devices */
net_dev->vlan_features |= (NETIF_F_ALL_CSUM | NETIF_F_SG |
NETIF_F_HIGHDMA | NETIF_F_ALL_TSO);
NETIF_F_HIGHDMA | NETIF_F_ALL_TSO |
NETIF_F_RXCSUM);
/* All offloads can be toggled */
net_dev->hw_features = net_dev->features & ~NETIF_F_HIGHDMA;
efx = netdev_priv(net_dev);
pci_set_drvdata(pci_dev, efx);
SET_NETDEV_DEV(net_dev, &pci_dev->dev);

78
drivers/net/sfc/ethtool.c
View file

@ -518,72 +518,6 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
}
}
static int efx_ethtool_set_tso(struct net_device *net_dev, u32 enable)
{
struct efx_nic *efx __attribute__ ((unused)) = netdev_priv(net_dev);
u32 features;
features = NETIF_F_TSO;
if (efx->type->offload_features & NETIF_F_V6_CSUM)
features |= NETIF_F_TSO6;
if (enable)
net_dev->features |= features;
else
net_dev->features &= ~features;
return 0;
}
static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
{
struct efx_nic *efx = netdev_priv(net_dev);
u32 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);
/* No way to stop the hardware doing the checks; we just
* ignore the result.
*/
efx->rx_checksum_enabled = !!enable;
return 0;
}
static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev)
{
struct efx_nic *efx = netdev_priv(net_dev);
return efx->rx_checksum_enabled;
}
static int efx_ethtool_set_flags(struct net_device *net_dev, u32 data)
{
struct efx_nic *efx = netdev_priv(net_dev);
u32 supported = (efx->type->offload_features &
(ETH_FLAG_RXHASH | ETH_FLAG_NTUPLE));
int rc;
rc = ethtool_op_set_flags(net_dev, data, supported);
if (rc)
return rc;
if (!(data & ETH_FLAG_NTUPLE))
efx_filter_clear_rx(efx, EFX_FILTER_PRI_MANUAL);
return 0;
}
static void efx_ethtool_self_test(struct net_device *net_dev,
struct ethtool_test *test, u64 *data)
{
@ -1070,18 +1004,6 @@ const struct ethtool_ops efx_ethtool_ops = {
.set_ringparam = efx_ethtool_set_ringparam,
.get_pauseparam = efx_ethtool_get_pauseparam,
.set_pauseparam = efx_ethtool_set_pauseparam,
.get_rx_csum = efx_ethtool_get_rx_csum,
.set_rx_csum = efx_ethtool_set_rx_csum,
.get_tx_csum = ethtool_op_get_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,
/* Need to enable/disable TSO-IPv6 too */
.set_tso = efx_ethtool_set_tso,
.get_flags = ethtool_op_get_flags,
.set_flags = efx_ethtool_set_flags,
.get_sset_count = efx_ethtool_get_sset_count,
.self_test = efx_ethtool_self_test,
.get_strings = efx_ethtool_get_strings,

2
drivers/net/sfc/net_driver.h
View file

@ -681,7 +681,6 @@ struct efx_filter_state;
* @port_inhibited: If set, the netif_carrier is always off. Hold the mac_lock
* @port_initialized: Port initialized?
* @net_dev: Operating system network device. Consider holding the rtnl lock
* @rx_checksum_enabled: RX checksumming enabled
* @stats_buffer: DMA buffer for statistics
* @mac_op: MAC interface
* @phy_type: PHY type
@ -771,7 +770,6 @@ struct efx_nic {
bool port_initialized;
struct net_device *net_dev;
bool rx_checksum_enabled;
struct efx_buffer stats_buffer;

2
drivers/net/sfc/rx.c
View file

@ -605,7 +605,7 @@ void __efx_rx_packet(struct efx_channel *channel,
skb_record_rx_queue(skb, channel->channel);
}
if (unlikely(!efx->rx_checksum_enabled))
if (unlikely(!(efx->net_dev->features & NETIF_F_RXCSUM)))
checksummed = false;
if (likely(checksummed || rx_buf->is_page)) {