diff options
| author | Ido Shamay <idos@mellanox.com> | 2014-02-21 12:39:17 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-02-24 18:38:01 -0500 |
| commit | 02512482321c531df4abf73943529f8b44d869e2 (patch) | |
| tree | 1dbbc602d3e6222489417c83b91ed8c5b080dc8a /drivers/net/ethernet/mellanox/mlx4/en_rx.c | |
| parent | 7a4ddcd92ea72fdc54ebf671f3d3fcc8ba3a1ea8 (diff) | |
net/mlx4: Set number of RX rings in a utility function
mlx4_en_add() is too long.
Moving set number of RX rings to a utiltity function to improve
readability and modulization of the code.
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_rx.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_rx.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 890922c1c8ee..85434d73c9bc 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -318,6 +318,28 @@ static void mlx4_en_free_rx_buf(struct mlx4_en_priv *priv, } } +void mlx4_en_set_num_rx_rings(struct mlx4_en_dev *mdev) +{ + int i; + int num_of_eqs; + struct mlx4_dev *dev = mdev->dev; + + mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) { + if (!dev->caps.comp_pool) + num_of_eqs = max_t(int, MIN_RX_RINGS, + min_t(int, + dev->caps.num_comp_vectors, + DEF_RX_RINGS)); + else + num_of_eqs = min_t(int, MAX_MSIX_P_PORT, + dev->caps.comp_pool/ + dev->caps.num_ports) - 1; + + mdev->profile.prof[i].rx_ring_num = + rounddown_pow_of_two(num_of_eqs); + } +} + int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv, struct mlx4_en_rx_ring **pring, u32 size, u16 stride, int node) |