Commit f0b2fde9 authored by Or Har-Toov's avatar Or Har-Toov Committed by Leon Romanovsky
Browse files

net/mlx5: Add support for querying bond speed 



Add mlx5_lag_query_bond_speed() to query the aggregated speed of
lag configurations with a bond device.

Signed-off-by: default avatarOr Har-Toov <ohartoov@nvidia.com>
Reviewed-by: default avatarMark Bloch <mbloch@nvidia.com>
Signed-off-by: default avatarEdward Srouji <edwards@nvidia.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 28ea6036

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

+27 −0
Original line number Diff line number Diff line
@@ -1464,6 +1464,33 @@ static void mlx5_lag_update_tracker_speed(struct lag_tracker *tracker, 
		tracker->bond_speed_mbps = lksettings.base.speed;

}



/* Returns speed in Mbps. */

int mlx5_lag_query_bond_speed(struct mlx5_core_dev *mdev, u32 *speed)

{

	struct mlx5_lag *ldev;

	unsigned long flags;

	int ret = 0;



	spin_lock_irqsave(&lag_lock, flags);

	ldev = mlx5_lag_dev(mdev);

	if (!ldev) {

		ret = -ENODEV;

		goto unlock;

	}



	*speed = ldev->tracker.bond_speed_mbps;



	if (*speed == SPEED_UNKNOWN) {

		mlx5_core_dbg(mdev, "Bond speed is unknown\n");

		ret = -EINVAL;

	}



unlock:

	spin_unlock_irqrestore(&lag_lock, flags);

	return ret;

}

EXPORT_SYMBOL_GPL(mlx5_lag_query_bond_speed);



/* this handler is always registered to netdev events */

static int mlx5_lag_netdev_event(struct notifier_block *this,

				 unsigned long event, void *ptr)

include/linux/mlx5/driver.h

+1 −1
Original line number Diff line number Diff line
@@ -1149,7 +1149,7 @@ int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev); 
bool mlx5_lag_is_roce(struct mlx5_core_dev *dev);

bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev);

bool mlx5_lag_is_active(struct mlx5_core_dev *dev);

int mlx5_lag_query_bond_speed(struct net_device *bond_dev, u32 *speed);

int mlx5_lag_query_bond_speed(struct mlx5_core_dev *dev, u32 *speed);

bool mlx5_lag_mode_is_hash(struct mlx5_core_dev *dev);

bool mlx5_lag_is_master(struct mlx5_core_dev *dev);

bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev);