diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index bf1f04164885..ebc1f566a4d9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -1094,12 +1094,21 @@ static int mlx4_en_set_ringparam(struct net_device *dev, if (param->rx_jumbo_pending || param->rx_mini_pending) return -EINVAL; + if (param->rx_pending < MLX4_EN_MIN_RX_SIZE) { + en_warn(priv, "%s: rx_pending (%d) < min (%d)\n", + __func__, param->rx_pending, + MLX4_EN_MIN_RX_SIZE); + return -EINVAL; + } + if (param->tx_pending < MLX4_EN_MIN_TX_SIZE) { + en_warn(priv, "%s: tx_pending (%d) < min (%lu)\n", + __func__, param->tx_pending, + MLX4_EN_MIN_TX_SIZE); + return -EINVAL; + } + 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->port_up ? priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size) && |