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net/mlx5: Use native_port_num as 1st option of device index 

Using "native_port_num" can support more NICs.

Fallback to PCIe IDs if "native_port_num" query fails.

Signed-off-by: Rongwei Liu <rongweil@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Rongwei Liu 2021-10-12 10:40:52 +03:00 committed by Saeed Mahameed
parent 2ec16ddde1
commit 1021d0645d
1 changed files with 6 additions and 1 deletions
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7
include/linux/mlx5/driver.h
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@ -1245,7 +1245,12 @@ static inline int mlx5_core_native_port_num(struct mlx5_core_dev *dev)
static inline int mlx5_get_dev_index(struct mlx5_core_dev *dev)
{
return PCI_FUNC(dev->pdev->devfn);
int idx = MLX5_CAP_GEN(dev, native_port_num);
if (idx >= 1 && idx <= MLX5_MAX_PORTS)
return idx - 1;
else
return PCI_FUNC(dev->pdev->devfn);
}
enum {