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mlx5: Add ndo_poll_controller() implementation 

This implements ndo_poll_controller in net_device_ops callbacks for mlx5,
which is necessary to use netconsole with this driver.

Acked-By: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Calvin Owens <calvinowens@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Calvin Owens 2016-09-28 21:46:39 -07:00 committed by David S. Miller
parent 6cd80b5547
commit 803783849f
1 changed files with 20 additions and 0 deletions
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20
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -3188,6 +3188,20 @@ static int mlx5e_xdp(struct net_device *dev, struct netdev_xdp *xdp)
}
}
#ifdef CONFIG_NET_POLL_CONTROLLER
/* Fake "interrupt" called by netpoll (eg netconsole) to send skbs without
* reenabling interrupts.
*/
static void mlx5e_netpoll(struct net_device *dev)
{
struct mlx5e_priv *priv = netdev_priv(dev);
int i;
for (i = 0; i < priv->params.num_channels; i++)
napi_schedule(&priv->channel[i]->napi);
}
#endif
static const struct net_device_ops mlx5e_netdev_ops_basic = {
.ndo_open = mlx5e_open,
.ndo_stop = mlx5e_close,
@ -3208,6 +3222,9 @@ static const struct net_device_ops mlx5e_netdev_ops_basic = {
#endif
.ndo_tx_timeout = mlx5e_tx_timeout,
.ndo_xdp = mlx5e_xdp,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = mlx5e_netpoll,
#endif
};
static const struct net_device_ops mlx5e_netdev_ops_sriov = {
@ -3240,6 +3257,9 @@ static const struct net_device_ops mlx5e_netdev_ops_sriov = {
.ndo_get_vf_stats = mlx5e_get_vf_stats,
.ndo_tx_timeout = mlx5e_tx_timeout,
.ndo_xdp = mlx5e_xdp,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = mlx5e_netpoll,
#endif
};
static int mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev)