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net/mlx4_en: Add ethtool support for [rx|tx]vlan offload set to OFF/ON 

Move mlx4_en_reset_config to en_netdev.c as it now serves more general purpose.
Add support for turning OFF/ON the rx/tx vlan offlad.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Saeed Mahameed 2014-10-27 11:37:43 +02:00 committed by David S. Miller
parent 7787fa661b
commit 537f6f951e
2 changed files with 88 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
drivers/net/ethernet/mellanox/mlx4/en_clock.c
View File

@ -35,83 +35,6 @@
#include "mlx4_en.h"
int mlx4_en_reset_config(struct net_device *dev,
struct hwtstamp_config ts_config,
netdev_features_t features)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
int port_up = 0;
int err = 0;
if (priv->hwtstamp_config.tx_type == ts_config.tx_type &&
priv->hwtstamp_config.rx_filter == ts_config.rx_filter &&
!DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX))
return 0; /* Nothing to change */
if (DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX) &&
(features & NETIF_F_HW_VLAN_CTAG_RX) &&
(priv->hwtstamp_config.rx_filter != HWTSTAMP_FILTER_NONE)) {
en_warn(priv, "Can't turn ON rx vlan offload while time-stamping rx filter is ON\n");
return -EINVAL;
}
mutex_lock(&mdev->state_lock);
if (priv->port_up) {
port_up = 1;
mlx4_en_stop_port(dev, 1);
}
mlx4_en_free_resources(priv);
en_warn(priv, "Changing device configuration rx filter(%x) rx vlan(%x)\n",
ts_config.rx_filter, !!(features & NETIF_F_HW_VLAN_CTAG_RX));
priv->hwtstamp_config.tx_type = ts_config.tx_type;
priv->hwtstamp_config.rx_filter = ts_config.rx_filter;
if (DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX)) {
if (features & NETIF_F_HW_VLAN_CTAG_RX)
dev->features |= NETIF_F_HW_VLAN_CTAG_RX;
else
dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX;
} else if (ts_config.rx_filter == HWTSTAMP_FILTER_NONE) {
/* RX time-stamping is OFF, update the RX vlan offload
* to the latest wanted state
*/
if (dev->wanted_features & NETIF_F_HW_VLAN_CTAG_RX)
dev->features |= NETIF_F_HW_VLAN_CTAG_RX;
else
dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX;
}
/* RX vlan offload and RX time-stamping can't co-exist !
* Regardless of the caller's choice,
* Turn Off RX vlan offload in case of time-stamping is ON
*/
if (ts_config.rx_filter != HWTSTAMP_FILTER_NONE) {
if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
en_warn(priv, "Turning off RX vlan offload since RX time-stamping is ON\n");
dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX;
}
err = mlx4_en_alloc_resources(priv);
if (err) {
en_err(priv, "Failed reallocating port resources\n");
goto out;
}
if (port_up) {
err = mlx4_en_start_port(dev);
if (err)
en_err(priv, "Failed starting port\n");
}
out:
mutex_unlock(&mdev->state_lock);
netdev_features_change(dev);
return err;
}
/* mlx4_en_read_clock - read raw cycle counter (to be used by time counter)
*/
static cycle_t mlx4_en_read_clock(const struct cyclecounter *tc)

89
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
View File

@ -2190,6 +2190,16 @@ static int mlx4_en_set_features(struct net_device *netdev,
netdev_features_t features)
{
struct mlx4_en_priv *priv = netdev_priv(netdev);
int ret = 0;
if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_CTAG_RX)) {
en_info(priv, "Turn %s RX vlan strip offload\n",
(features & NETIF_F_HW_VLAN_CTAG_RX) ? "ON" : "OFF");
ret = mlx4_en_reset_config(netdev, priv->hwtstamp_config,
features);
if (ret)
return ret;
}
if (features & NETIF_F_LOOPBACK)
priv->ctrl_flags |= cpu_to_be32(MLX4_WQE_CTRL_FORCE_LOOPBACK);
@ -2559,7 +2569,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
dev->features = dev->hw_features | NETIF_F_HIGHDMA |
NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_FILTER;
dev->hw_features |= NETIF_F_LOOPBACK;
dev->hw_features |= NETIF_F_LOOPBACK |
NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
if (mdev->dev->caps.steering_mode ==
MLX4_STEERING_MODE_DEVICE_MANAGED)
@ -2633,3 +2644,79 @@ out:
return err;
}
int mlx4_en_reset_config(struct net_device *dev,
struct hwtstamp_config ts_config,
netdev_features_t features)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
int port_up = 0;
int err = 0;
if (priv->hwtstamp_config.tx_type == ts_config.tx_type &&
priv->hwtstamp_config.rx_filter == ts_config.rx_filter &&
!DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX))
return 0; /* Nothing to change */
if (DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX) &&
(features & NETIF_F_HW_VLAN_CTAG_RX) &&
(priv->hwtstamp_config.rx_filter != HWTSTAMP_FILTER_NONE)) {
en_warn(priv, "Can't turn ON rx vlan offload while time-stamping rx filter is ON\n");
return -EINVAL;
}
mutex_lock(&mdev->state_lock);
if (priv->port_up) {
port_up = 1;
mlx4_en_stop_port(dev, 1);
}
mlx4_en_free_resources(priv);
en_warn(priv, "Changing device configuration rx filter(%x) rx vlan(%x)\n",
ts_config.rx_filter, !!(features & NETIF_F_HW_VLAN_CTAG_RX));
priv->hwtstamp_config.tx_type = ts_config.tx_type;
priv->hwtstamp_config.rx_filter = ts_config.rx_filter;
if (DEV_FEATURE_CHANGED(dev, features, NETIF_F_HW_VLAN_CTAG_RX)) {
if (features & NETIF_F_HW_VLAN_CTAG_RX)
dev->features |= NETIF_F_HW_VLAN_CTAG_RX;
else
dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX;
} else if (ts_config.rx_filter == HWTSTAMP_FILTER_NONE) {
/* RX time-stamping is OFF, update the RX vlan offload
* to the latest wanted state
*/
if (dev->wanted_features & NETIF_F_HW_VLAN_CTAG_RX)
dev->features |= NETIF_F_HW_VLAN_CTAG_RX;
else
dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX;
}
/* RX vlan offload and RX time-stamping can't co-exist !
* Regardless of the caller's choice,
* Turn Off RX vlan offload in case of time-stamping is ON
*/
if (ts_config.rx_filter != HWTSTAMP_FILTER_NONE) {
if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
en_warn(priv, "Turning off RX vlan offload since RX time-stamping is ON\n");
dev->features &= ~NETIF_F_HW_VLAN_CTAG_RX;
}
err = mlx4_en_alloc_resources(priv);
if (err) {
en_err(priv, "Failed reallocating port resources\n");
goto out;
}
if (port_up) {
err = mlx4_en_start_port(dev);
if (err)
en_err(priv, "Failed starting port\n");
}
out:
mutex_unlock(&mdev->state_lock);
netdev_features_change(dev);
return err;
}