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Commit 20a1ea67 authored by Or Gerlitz's avatar Or Gerlitz Committed by David S. Miller
Browse files

net/mlx5e: Support VF vport link state control for SRIOV switchdev mode 



Reflect the administative link changes done on the VF representor to the
VF e-switch vport. This means that doing ip link set down/up commands on
the VF rep will modify the e-switch vport state which in turn will make
proper VF drivers to set their carrier accordingly.

Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 370bad0f

drivers/net/ethernet/mellanox/mlx5/core/en_rep.c

+31 −2
Original line number Diff line number Diff line
@@ -236,6 +236,35 @@ void mlx5e_nic_rep_unload(struct mlx5_eswitch *esw, 
	mlx5e_tc_init(priv);

}



static int mlx5e_rep_open(struct net_device *dev)

{

	struct mlx5e_priv *priv = netdev_priv(dev);

	struct mlx5_eswitch_rep *rep = priv->ppriv;

	struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;

	int err;



	err = mlx5e_open(dev);

	if (err)

		return err;



	err = mlx5_eswitch_set_vport_state(esw, rep->vport, MLX5_ESW_VPORT_ADMIN_STATE_UP);

	if (!err)

		netif_carrier_on(dev);



	return 0;

}



static int mlx5e_rep_close(struct net_device *dev)

{

	struct mlx5e_priv *priv = netdev_priv(dev);

	struct mlx5_eswitch_rep *rep = priv->ppriv;

	struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;



	(void)mlx5_eswitch_set_vport_state(esw, rep->vport, MLX5_ESW_VPORT_ADMIN_STATE_DOWN);



	return mlx5e_close(dev);

}



static int mlx5e_rep_get_phys_port_name(struct net_device *dev,

					char *buf, size_t len)

{
@@ -349,8 +378,8 @@ static const struct switchdev_ops mlx5e_rep_switchdev_ops = { 
};



static const struct net_device_ops mlx5e_netdev_ops_rep = {

	.ndo_open                = mlx5e_open,

	.ndo_stop                = mlx5e_close,

	.ndo_open                = mlx5e_rep_open,

	.ndo_stop                = mlx5e_rep_close,

	.ndo_start_xmit          = mlx5e_xmit,

	.ndo_get_phys_port_name  = mlx5e_rep_get_phys_port_name,

	.ndo_setup_tc            = mlx5e_rep_ndo_setup_tc,