[net-next 07/13] net/mlx5e: Expose function for building RSS params

[Saeed Mahameed]

From: Gavi Teitz <g...@mellanox.com>

Towards enabling RSS for the vport representors, extract the
procedure for building a device's RSS params, and expose the
function.

Signed-off-by: Gavi Teitz <g...@mellanox.com>
Reviewed-by: Or Gerlitz <ogerl...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en.h      |  1 +
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 13 +++++++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h 
b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 275af3bd63b3..98390a5b106a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -968,6 +968,7 @@ void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
                            u16 max_channels, u16 mtu);
 void mlx5e_build_rq_params(struct mlx5_core_dev *mdev,
                           struct mlx5e_params *params);
+void mlx5e_build_rss_params(struct mlx5e_params *params);
 u8 mlx5e_params_calculate_tx_min_inline(struct mlx5_core_dev *mdev);
 void mlx5e_rx_dim_work(struct work_struct *work);
 void mlx5e_tx_dim_work(struct work_struct *work);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c 
b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 114f6226b17d..6086f874c7bf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4497,6 +4497,14 @@ void mlx5e_build_rq_params(struct mlx5_core_dev *mdev,
        mlx5e_init_rq_type_params(mdev, params);
 }
 
+void mlx5e_build_rss_params(struct mlx5e_params *params)
+{
+       params->rss_hfunc = ETH_RSS_HASH_XOR;
+       netdev_rss_key_fill(params->toeplitz_hash_key, 
sizeof(params->toeplitz_hash_key));
+       mlx5e_build_default_indir_rqt(params->indirection_rqt,
+                                     MLX5E_INDIR_RQT_SIZE, 
params->num_channels);
+}
+
 void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
                            struct mlx5e_params *params,
                            u16 max_channels, u16 mtu)
@@ -4545,10 +4553,7 @@ void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
        params->tx_min_inline_mode = mlx5e_params_calculate_tx_min_inline(mdev);
 
        /* RSS */
-       params->rss_hfunc = ETH_RSS_HASH_XOR;
-       netdev_rss_key_fill(params->toeplitz_hash_key, 
sizeof(params->toeplitz_hash_key));
-       mlx5e_build_default_indir_rqt(params->indirection_rqt,
-                                     MLX5E_INDIR_RQT_SIZE, max_channels);
+       mlx5e_build_rss_params(params);
 }
 
 static void mlx5e_build_nic_netdev_priv(struct mlx5_core_dev *mdev,
-- 
2.17.1