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net/mlx5e: CQE compression control code reuse

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This patch is intended for code reuse of mlx5e_modify_rx_cqe_compression
function.

Signed-off-by: Shaker Daibes <shakerd@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Shaker Daibes 2016-12-10 18:45:55 +02:00 committed by Saeed Mahameed
parent b4e029da29
commit 5eb0249b43
4 changed files with 10 additions and 20 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en.h
View File

@ -787,7 +787,7 @@ void mlx5e_pps_event_handler(struct mlx5e_priv *priv,
struct ptp_clock_event *event);
int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr);
int mlx5e_hwstamp_get(struct net_device *dev, struct ifreq *ifr);
void mlx5e_modify_rx_cqe_compression(struct mlx5e_priv *priv, bool val);
void mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val);
int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
u16 vid);

7
drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
View File

@ -106,11 +106,12 @@ int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr)
return -ERANGE;
}
mutex_lock(&priv->state_lock);
/* RX HW timestamp */
switch (config.rx_filter) {
case HWTSTAMP_FILTER_NONE:
/* Reset CQE compression to Admin default */
mlx5e_modify_rx_cqe_compression(priv, priv->params.rx_cqe_compress_def);
mlx5e_modify_rx_cqe_compression_locked(priv, priv->params.rx_cqe_compress_def);
break;
case HWTSTAMP_FILTER_ALL:
case HWTSTAMP_FILTER_SOME:
@ -128,14 +129,16 @@ int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr)
case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
/* Disable CQE compression */
netdev_warn(dev, "Disabling cqe compression");
mlx5e_modify_rx_cqe_compression(priv, false);
mlx5e_modify_rx_cqe_compression_locked(priv, false);
config.rx_filter = HWTSTAMP_FILTER_ALL;
break;
default:
mutex_unlock(&priv->state_lock);
return -ERANGE;
}
memcpy(&priv->tstamp.hwtstamp_config, &config, sizeof(config));
mutex_unlock(&priv->state_lock);
return copy_to_user(ifr->ifr_data, &config,
sizeof(config)) ? -EFAULT : 0;

13
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
View File

@ -1476,8 +1476,6 @@ static int set_pflag_rx_cqe_compress(struct net_device *netdev,
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
int err = 0;
bool reset;
if (!MLX5_CAP_GEN(mdev, cqe_compression))
return -ENOTSUPP;
@ -1487,17 +1485,10 @@ static int set_pflag_rx_cqe_compress(struct net_device *netdev,
return -EINVAL;
}
reset = test_bit(MLX5E_STATE_OPENED, &priv->state);
if (reset)
mlx5e_close_locked(netdev);
MLX5E_SET_PFLAG(priv, MLX5E_PFLAG_RX_CQE_COMPRESS, enable);
mlx5e_modify_rx_cqe_compression_locked(priv, enable);
priv->params.rx_cqe_compress_def = enable;
if (reset)
err = mlx5e_open_locked(netdev);
return err;
return 0;
}
static int mlx5e_handle_pflag(struct net_device *netdev,

8
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
View File

@ -155,17 +155,15 @@ static inline u32 mlx5e_decompress_cqes_start(struct mlx5e_rq *rq,
return mlx5e_decompress_cqes_cont(rq, cq, 1, budget_rem) - 1;
}
void mlx5e_modify_rx_cqe_compression(struct mlx5e_priv *priv, bool val)
void mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val)
{
bool was_opened;
if (!MLX5_CAP_GEN(priv->mdev, cqe_compression))
return;
mutex_lock(&priv->state_lock);
if (MLX5E_GET_PFLAG(priv, MLX5E_PFLAG_RX_CQE_COMPRESS) == val)
goto unlock;
return;
was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
if (was_opened)
@ -176,8 +174,6 @@ void mlx5e_modify_rx_cqe_compression(struct mlx5e_priv *priv, bool val)
if (was_opened)
mlx5e_open_locked(priv->netdev);
unlock:
mutex_unlock(&priv->state_lock);
}
#define RQ_PAGE_SIZE(rq) ((1 << rq->buff.page_order) << PAGE_SHIFT)