On 11/24/2021 9:19 AM, Eli Cohen wrote:
Increase the limit on the maximum number of supported virtqueues to 256
to match hardware capabilities.

Signed-off-by: Eli Cohen <[email protected]>
Acked-by: Si-Wei Liu <[email protected]>
---
  drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c 
b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index ed7a63e48335..8f2918a8efc6 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -135,7 +135,7 @@ struct mlx5_vdpa_virtqueue {
  /* We will remove this limitation once mlx5_vdpa_alloc_resources()
   * provides for driver space allocation
   */
-#define MLX5_MAX_SUPPORTED_VQS 16
+#define MLX5_MAX_SUPPORTED_VQS 256
Did we check how much increase of memory footprint ended up with on struct mlx5_vdpa_net?

-Siwei

static bool is_index_valid(struct mlx5_vdpa_dev *mvdev, u16 idx)
  {

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