D4408.1794669165.diff
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	Index: head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
	===================================================================
	--- head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
	+++ head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
	@@ -2005,32 +2005,15 @@
	struct mlx5e_priv *priv = ifp->if_softc;
	struct mlx5_core_dev *mdev = priv->mdev;
	int hw_mtu;
	- int min_mtu;
	int err;

	- /*
	- * Trying to set MTU to zero, in order
	- * to find out the FW's minimal MTU
	- */
	- err = mlx5_set_port_mtu(mdev, 0);
	- if (err)
	- return (err);

	- err = mlx5_query_port_oper_mtu(mdev, &min_mtu);
	+ err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(sw_mtu));
	if (err) {
	- if_printf(ifp, "Query port minimal MTU failed\n");
	+ if_printf(ifp, "%s: mlx5_set_port_mtu failed setting %d, err=%d\n",
	+ __func__, sw_mtu, err);
	return (err);
	}
	-
	- if (sw_mtu < MLX5E_HW2SW_MTU(min_mtu)) {
	- ifp->if_mtu = sw_mtu;
	- return (0);
	- }
	-
	- err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(sw_mtu));
	- if (err)
	- return (err);
	-
	err = mlx5_query_port_oper_mtu(mdev, &hw_mtu);
	if (!err) {
	ifp->if_mtu = MLX5E_HW2SW_MTU(hw_mtu);