diff options
| -rw-r--r-- | drivers/vdpa/mlx5/net/mlx5_vnet.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index eca6f68c2eda..c8b5c87f001d 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -48,6 +48,16 @@ MODULE_LICENSE("Dual BSD/GPL"); #define MLX5V_UNTAGGED 0x1000 +/* Device must start with 1 queue pair, as per VIRTIO v1.2 spec, section + * 5.1.6.5.5 "Device operation in multiqueue mode": + * + * Multiqueue is disabled by default. + * The driver enables multiqueue by sending a command using class + * VIRTIO_NET_CTRL_MQ. The command selects the mode of multiqueue + * operation, as follows: ... + */ +#define MLX5V_DEFAULT_VQ_COUNT 2 + struct mlx5_vdpa_cq_buf { struct mlx5_frag_buf_ctrl fbc; struct mlx5_frag_buf frag_buf; @@ -2713,16 +2723,6 @@ static int mlx5_vdpa_set_driver_features(struct vdpa_device *vdev, u64 features) else ndev->rqt_size = 1; - /* Device must start with 1 queue pair, as per VIRTIO v1.2 spec, section - * 5.1.6.5.5 "Device operation in multiqueue mode": - * - * Multiqueue is disabled by default. - * The driver enables multiqueue by sending a command using class - * VIRTIO_NET_CTRL_MQ. The command selects the mode of multiqueue - * operation, as follows: ... - */ - ndev->cur_num_vqs = 2; - update_cvq_info(mvdev); return err; } @@ -3040,7 +3040,7 @@ static int mlx5_vdpa_compat_reset(struct vdpa_device *vdev, u32 flags) mlx5_vdpa_destroy_mr_resources(&ndev->mvdev); ndev->mvdev.status = 0; ndev->mvdev.suspended = false; - ndev->cur_num_vqs = 0; + ndev->cur_num_vqs = MLX5V_DEFAULT_VQ_COUNT; ndev->mvdev.cvq.received_desc = 0; ndev->mvdev.cvq.completed_desc = 0; memset(ndev->event_cbs, 0, sizeof(*ndev->event_cbs) * (mvdev->max_vqs + 1)); @@ -3643,6 +3643,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name, err = -ENOMEM; goto err_alloc; } + ndev->cur_num_vqs = MLX5V_DEFAULT_VQ_COUNT; init_mvqs(ndev); allocate_irqs(ndev); |