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Commit 6a32047a authored by Aviv Heller's avatar Aviv Heller Committed by Leon Romanovsky
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net/mlx5: Get RoCE netdev 



Used by IB driver for determining the IB bond
device's netdev, when LAG is active.

Returns PF0's netdev if mode is not active-backup,
or the PF netdev of the active slave when mode is
active-backup.

Signed-off-by: default avatarAviv Heller <avivh@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 7907f23a

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

+27 −0
Original line number Original line Diff line number Diff line
@@ -528,3 +528,30 @@ bool mlx5_lag_is_active(struct mlx5_core_dev *dev) 
}

}

EXPORT_SYMBOL(mlx5_lag_is_active);

EXPORT_SYMBOL(mlx5_lag_is_active);





struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev)

{

	struct net_device *ndev = NULL;

	struct mlx5_lag *ldev;



	mutex_lock(&lag_mutex);

	ldev = mlx5_lag_dev_get(dev);



	if (!(ldev && mlx5_lag_is_bonded(ldev)))

		goto unlock;



	if (ldev->tracker.tx_type == NETDEV_LAG_TX_TYPE_ACTIVEBACKUP) {

		ndev = ldev->tracker.netdev_state[0].tx_enabled ?

		       ldev->pf[0].netdev : ldev->pf[1].netdev;

	} else {

		ndev = ldev->pf[0].netdev;

	}

	if (ndev)

		dev_hold(ndev);



unlock:

	mutex_unlock(&lag_mutex);



	return ndev;

}

EXPORT_SYMBOL(mlx5_lag_get_roce_netdev);

include/linux/mlx5/driver.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -945,6 +945,7 @@ void mlx5_unregister_interface(struct mlx5_interface *intf); 
int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);

int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);





bool mlx5_lag_is_active(struct mlx5_core_dev *dev);

bool mlx5_lag_is_active(struct mlx5_core_dev *dev);

struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);





struct mlx5_profile {

struct mlx5_profile {

	u64	mask;

	u64	mask;