net/mlx5: Configure IB devices according to LAG state
When mlx5_ib is loaded, we would like each card's IB devices to be added according to its LAG state (one IB device, instead of two, is to be added if LAG is active). Signed-off-by: Aviv Heller <avivh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
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@ -583,3 +583,20 @@ unlock:
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}
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EXPORT_SYMBOL(mlx5_lag_get_roce_netdev);
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bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv)
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{
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struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev,
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priv);
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struct mlx5_lag *ldev;
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if (intf->protocol != MLX5_INTERFACE_PROTOCOL_IB)
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return true;
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ldev = mlx5_lag_dev_get(dev);
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if (!ldev || !mlx5_lag_is_bonded(ldev) || ldev->pf[0].dev == dev)
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return true;
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/* If bonded, we do not add an IB device for PF1. */
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return false;
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}
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@ -783,6 +783,9 @@ static void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
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struct mlx5_device_context *dev_ctx;
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struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
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if (!mlx5_lag_intf_add(intf, priv))
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return;
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dev_ctx = kmalloc(sizeof(*dev_ctx), GFP_KERNEL);
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if (!dev_ctx)
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return;
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@ -105,6 +105,8 @@ void mlx5_lag_remove(struct mlx5_core_dev *dev);
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void mlx5_add_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
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void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
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bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv);
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void mlx5e_init(void);
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void mlx5e_cleanup(void);
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