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authorYevgeny Petrilin <yevgenyp@mellanox.co.il>2009-01-08 10:57:37 -0800
committerDavid S. Miller <davem@davemloft.net>2009-01-08 10:57:37 -0800
commitbd531e36b8aa223aded15493d0a93930e1de51c6 (patch)
tree21c7eccf4587d0bdcb228b61ea2e346ac3946263 /drivers/net
parent41efea5a34caa76c11e56458db21eb259d5c6384 (diff)
mlx4_en: Returning real Max in get_ringparam
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/mlx4/en_params.c6
-rw-r--r--drivers/net/mlx4/mlx4_en.h4
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/mlx4/en_params.c b/drivers/net/mlx4/en_params.c
index cfeef0f1bac..c1bd040b9e0 100644
--- a/drivers/net/mlx4/en_params.c
+++ b/drivers/net/mlx4/en_params.c
@@ -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;
}
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h
index 08bf321a9e6..e9af32d41ca 100644
--- a/drivers/net/mlx4/mlx4_en.h
+++ b/drivers/net/mlx4/mlx4_en.h
@@ -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)