From abfe903980161b11f3594e3dcbab8b5c5a67168b Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Tue, 5 Apr 2011 15:00:02 +0100
Subject: [PATCH] sfc: Implement generic features interface
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
---
drivers/net/sfc/efx.c | 20 +++++++--
drivers/net/sfc/ethtool.c | 78 ------------------------------------
drivers/net/sfc/net_driver.h | 2 -
drivers/net/sfc/rx.c | 2 +-
4 files changed, 18 insertions(+), 84 deletions(-)
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 542f32d21acf..db72a6e054e1 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -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);
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 807178ef65ad..0d5543972574 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -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,
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 215d5c51bfa0..f0f8ca535a4d 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -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;
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index fb402c52aaff..b7dc891b4461 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -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)) {
--
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