From: Eli Cohen <elic@xxxxxxxxxx> [ Upstream commit 36bdcf318bc21af24de10b68e32cdea6b9a8d17f ] Introduce a dedicated function to be used for setting 16 bit fields per virio endianness requirements and use it to set the mtu field. Signed-off-by: Eli Cohen <elic@xxxxxxxxxx> Link: https://lore.kernel.org/r/20200917121425.GA98139@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> Acked-by: Jason Wang <jasowang@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 74264e5906951..56228467d7ec6 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1522,6 +1522,11 @@ static inline bool mlx5_vdpa_is_little_endian(struct mlx5_vdpa_dev *mvdev) (mvdev->actual_features & (1ULL << VIRTIO_F_VERSION_1)); } +static __virtio16 cpu_to_mlx5vdpa16(struct mlx5_vdpa_dev *mvdev, u16 val) +{ + return __cpu_to_virtio16(mlx5_vdpa_is_little_endian(mvdev), val); +} + static int mlx5_vdpa_set_features(struct vdpa_device *vdev, u64 features) { struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev); @@ -1535,8 +1540,7 @@ static int mlx5_vdpa_set_features(struct vdpa_device *vdev, u64 features) return err; ndev->mvdev.actual_features = features & ndev->mvdev.mlx_features; - ndev->config.mtu = __cpu_to_virtio16(mlx5_vdpa_is_little_endian(mvdev), - ndev->mtu); + ndev->config.mtu = cpu_to_mlx5vdpa16(mvdev, ndev->mtu); return err; } -- 2.25.1
