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authorJakub Kicinski <kuba@kernel.org>2021-08-20 04:09:18 +0300
committerJakub Kicinski <kuba@kernel.org>2021-08-20 04:09:18 +0300
commitf444fea7896dbc267249d27f604082a51b8efca2 (patch)
treed72e809d28ff7a1cb02f648c858d106de1be859d /drivers/vdpa/mlx5/net
parent9e5f10fe577be7974c721c0c2050fa6c967d4565 (diff)
parentf87d64319e6f980c82acfc9b95ed523d053fb7ac (diff)
downloadlinux-f444fea7896dbc267249d27f604082a51b8efca2.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/ptp/Kconfig: 55c8fca1dae1 ("ptp_pch: Restore dependency on PCI") e5f31552674e ("ethernet: fix PTP_1588_CLOCK dependencies") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/vdpa/mlx5/net')
-rw-r--r--drivers/vdpa/mlx5/net/mlx5_vnet.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index b94d3c73b68e..5906cada2293 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -752,12 +752,12 @@ static int get_queue_type(struct mlx5_vdpa_net *ndev)
type_mask = MLX5_CAP_DEV_VDPA_EMULATION(ndev->mvdev.mdev, virtio_queue_type);
/* prefer split queue */
- if (type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED)
- return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED;
+ if (type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT)
+ return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT;
- WARN_ON(!(type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT));
+ WARN_ON(!(type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED));
- return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT;
+ return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED;
}
static bool vq_is_tx(u16 idx)
@@ -2029,6 +2029,12 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name)
return -ENOSPC;
mdev = mgtdev->madev->mdev;
+ if (!(MLX5_CAP_DEV_VDPA_EMULATION(mdev, virtio_queue_type) &
+ MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT)) {
+ dev_warn(mdev->device, "missing support for split virtqueues\n");
+ return -EOPNOTSUPP;
+ }
+
/* we save one virtqueue for control virtqueue should we require it */
max_vqs = MLX5_CAP_DEV_VDPA_EMULATION(mdev, max_num_virtio_queues);
max_vqs = min_t(u32, max_vqs, MLX5_MAX_SUPPORTED_VQS);