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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: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2016-11-22 23:09:56 +02:00 committed by David S. Miller
parent 370bad0f9a
commit 20a1ea6747
1 changed files with 31 additions and 2 deletions
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33
drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
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@ -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,