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vdpa/mlx5: Make use of a specific 16 bit endianness API

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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@nvidia.com>
Link: https://lore.kernel.org/r/20200917121425.GA98139@mtl-vdi-166.wap.labs.mlnx
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Eli Cohen
2020-09-17 15:14:25 +03:00
committed by Michael S. Tsirkin
parent bbf5c97901
commit 36bdcf318b
1 changed files with 6 additions and 2 deletions
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8
drivers/vdpa/mlx5/net/mlx5_vnet.c
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@@ -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;
}