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mlx4_en: Returning real Max in get_ringparam

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Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yevgeny Petrilin 2009-01-08 10:57:37 -08:00 committed by David S. Miller
parent 41efea5a34
commit bd531e36b8
2 changed files with 8 additions and 2 deletions
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6
drivers/net/mlx4/en_params.c
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@ -399,8 +399,10 @@ static int mlx4_en_set_ringparam(struct net_device *dev,
rx_size = roundup_pow_of_two(param->rx_pending);
rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
tx_size = roundup_pow_of_two(param->tx_pending);
tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
if (rx_size == priv->prof->rx_ring_size &&
tx_size == priv->prof->tx_ring_size)
@ -440,8 +442,8 @@ static void mlx4_en_get_ringparam(struct net_device *dev,
struct mlx4_en_dev *mdev = priv->mdev;
memset(param, 0, sizeof(*param));
param->rx_max_pending = mdev->dev->caps.max_rq_sg;
param->tx_max_pending = mdev->dev->caps.max_sq_sg;
param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size;
param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size;
}

4
drivers/net/mlx4/mlx4_en.h
View file

@ -115,6 +115,10 @@ enum {
};
#define MLX4_EN_MAX_RX_FRAGS 4
/* Maximum ring sizes */
#define MLX4_EN_MAX_TX_SIZE 8192
#define MLX4_EN_MAX_RX_SIZE 8192
/* Minimum ring size for our page-allocation sceme to work */
#define MLX4_EN_MIN_RX_SIZE (MLX4_EN_ALLOC_SIZE / SMP_CACHE_BYTES)
#define MLX4_EN_MIN_TX_SIZE (4096 / TXBB_SIZE)