Commit fe998a3c authored by Shay Drory's avatar Shay Drory Committed by Saeed Mahameed
Browse files

net/mlx5: Enable management PF initialization 



Enable initialization of DPU Management PF, which is a new loopback PF
designed for communication with BMC.
For now Management PF doesn't support nor require most upper layer
protocols so avoid them.

Signed-off-by: default avatarShay Drory <shayd@nvidia.com>
Reviewed-by: default avatarEran Ben Elisha <eranbe@nvidia.com>
Reviewed-by: default avatarMoshe Shemesh <moshe@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 0e414518

drivers/net/ethernet/mellanox/mlx5/core/dev.c

+6 −0
Original line number Diff line number Diff line
@@ -59,6 +59,9 @@ bool mlx5_eth_supported(struct mlx5_core_dev *dev) 
	if (!IS_ENABLED(CONFIG_MLX5_CORE_EN))

		return false;



	if (mlx5_core_is_management_pf(dev))

		return false;



	if (MLX5_CAP_GEN(dev, port_type) != MLX5_CAP_PORT_TYPE_ETH)

		return false;
@@ -198,6 +201,9 @@ bool mlx5_rdma_supported(struct mlx5_core_dev *dev) 
	if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND))

		return false;



	if (mlx5_core_is_management_pf(dev))

		return false;



	if (dev->priv.flags & MLX5_PRIV_FLAGS_DISABLE_IB_ADEV)

		return false;

drivers/net/ethernet/mellanox/mlx5/core/ecpf.c

+8 −0
Original line number Diff line number Diff line
@@ -75,6 +75,10 @@ int mlx5_ec_init(struct mlx5_core_dev *dev) 
	if (!mlx5_core_is_ecpf(dev))

		return 0;



	/* Management PF don't have a peer PF */

	if (mlx5_core_is_management_pf(dev))

		return 0;



	return mlx5_host_pf_init(dev);

}
@@ -85,6 +89,10 @@ void mlx5_ec_cleanup(struct mlx5_core_dev *dev) 
	if (!mlx5_core_is_ecpf(dev))

		return;



	/* Management PF don't have a peer PF */

	if (mlx5_core_is_management_pf(dev))

		return;



	mlx5_host_pf_cleanup(dev);



	err = mlx5_wait_for_pages(dev, &dev->priv.host_pf_pages);

drivers/net/ethernet/mellanox/mlx5/core/eswitch.c

+1 −1
Original line number Diff line number Diff line
@@ -1488,7 +1488,7 @@ int mlx5_esw_sf_max_hpf_functions(struct mlx5_core_dev *dev, u16 *max_sfs, u16 * 
	void *hca_caps;

	int err;



	if (!mlx5_core_is_ecpf(dev)) {

	if (!mlx5_core_is_ecpf(dev) || mlx5_core_is_management_pf(dev)) {

		*max_sfs = 0;

		return 0;

	}

include/linux/mlx5/driver.h

+5 −0
Original line number Diff line number Diff line
@@ -1202,6 +1202,11 @@ static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev) 
	return dev->coredev_type == MLX5_COREDEV_VF;

}



static inline bool mlx5_core_is_management_pf(const struct mlx5_core_dev *dev)

{

	return MLX5_CAP_GEN(dev, num_ports) == 1 && !MLX5_CAP_GEN(dev, native_port_num);

}



static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev)

{

	return dev->caps.embedded_cpu;