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| author |   Tariq Toukan <tariqt@nvidia.com> | 2021-09-29 17:29:24 +0300 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@nvidia.com> | 2021-12-21 19:08:57 -0800 |
| commit | 473baf2e9e8c5b3240f443658e9b59dabba9eb9e (patch) | |
| tree | 56d263ad228d18fc77b99497c24921ad11c95f2d /drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | |
| parent | net/mlx5e: Save memory by using dynamic allocation in netdev priv (diff) | |
| download | linux-dev-473baf2e9e8c5b3240f443658e9b59dabba9eb9e.tar.xz linux-dev-473baf2e9e8c5b3240f443658e9b59dabba9eb9e.zip | |
net/mlx5e: Allow profile-specific limitation on max num of channels
Let SF/VF representor's netdev use profile-specific limitation on
max_nch to reduce its memory and HW resources consumption.
This is particularly important for environments with limited memory
and high number of SFs.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Vu Pham <vuhuong@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_rep.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 0bd3721c9110..8c0f4cfbe471 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -591,6 +591,12 @@ bool mlx5e_eswitch_vf_rep(const struct net_device *netdev) return netdev->netdev_ops == &mlx5e_netdev_ops_rep; } +static int mlx5e_rep_max_nch_limit(struct mlx5_core_dev *mdev) +{ + return (1 << MLX5_CAP_GEN(mdev, log_max_tir)) / + mlx5_eswitch_get_total_vports(mdev); +} + static void mlx5e_build_rep_params(struct net_device *netdev) { struct mlx5e_priv *priv = netdev_priv(netdev); @@ -1113,6 +1119,7 @@ static const struct mlx5e_profile mlx5e_rep_profile = { .rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR), .stats_grps = mlx5e_rep_stats_grps, .stats_grps_num = mlx5e_rep_stats_grps_num, + .max_nch_limit = mlx5e_rep_max_nch_limit, }; static const struct mlx5e_profile mlx5e_uplink_rep_profile = { |