From: Achiad Shochat <ach...@mellanox.com>

Consider MLX5E_MAX_NUM_CHANNELS @ethtool set/get_channels

Signed-off-by: Achiad Shochat <ach...@mellanox.com>
Signed-off-by: Or Gerlitz <ogerl...@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en.h         | 6 ++++++
 drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 5 ++---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c    | 3 +--
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h 
b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 3c5c900..c403a83 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -620,5 +620,11 @@ static inline void mlx5e_cq_arm(struct mlx5e_cq *cq)
        mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, NULL, cq->wq.cc);
 }
 
+static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev)
+{
+       return min_t(int, mdev->priv.eq_table.num_comp_vectors,
+                    MLX5E_MAX_NUM_CHANNELS);
+}
+
 extern const struct ethtool_ops mlx5e_ethtool_ops;
 u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c 
b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index bce9126..2e022e9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -345,9 +345,8 @@ static void mlx5e_get_channels(struct net_device *dev,
                               struct ethtool_channels *ch)
 {
        struct mlx5e_priv *priv = netdev_priv(dev);
-       int ncv = priv->mdev->priv.eq_table.num_comp_vectors;
 
-       ch->max_combined   = ncv;
+       ch->max_combined   = mlx5e_get_max_num_channels(priv->mdev);
        ch->combined_count = priv->params.num_channels;
 }
 
@@ -355,7 +354,7 @@ static int mlx5e_set_channels(struct net_device *dev,
                              struct ethtool_channels *ch)
 {
        struct mlx5e_priv *priv = netdev_priv(dev);
-       int ncv = priv->mdev->priv.eq_table.num_comp_vectors;
+       int ncv = mlx5e_get_max_num_channels(priv->mdev);
        unsigned int count = ch->combined_count;
        bool was_opened;
        int err = 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c 
b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index bdbef9f..df9cecd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2048,8 +2048,7 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev 
*mdev)
 {
        struct net_device *netdev;
        struct mlx5e_priv *priv;
-       int nch = min_t(int, mdev->priv.eq_table.num_comp_vectors,
-                       MLX5E_MAX_NUM_CHANNELS);
+       int nch = mlx5e_get_max_num_channels(mdev);
        int err;
 
        if (mlx5e_check_required_hca_cap(mdev))
-- 
2.3.7

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