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Commit 495716b1 authored by Saeed Mahameed's avatar Saeed Mahameed Committed by David S. Miller
Browse files

net/mlx5: E-Switch, Introduce FDB hardware capabilities 



Define needed hardware structures and capabilities needed
for E-Switch FDB flow tables and read them on driver load.

Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 073bb189

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

+13 −0
Original line number Diff line number Diff line
@@ -160,6 +160,19 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev) 
		if (err)

			return err;

	}



	if (MLX5_CAP_GEN(dev, vport_group_manager) &&

	    MLX5_CAP_GEN(dev, eswitch_flow_table)) {

		err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE,

					 HCA_CAP_OPMOD_GET_CUR);

		if (err)

			return err;

		err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE,

					 HCA_CAP_OPMOD_GET_MAX);

		if (err)

			return err;

	}



	return 0;

}

include/linux/mlx5/device.h

+15 −0
Original line number Diff line number Diff line
@@ -1138,6 +1138,7 @@ enum mlx5_cap_type { 
	MLX5_CAP_IPOIB_OFFLOADS,

	MLX5_CAP_EOIB_OFFLOADS,

	MLX5_CAP_FLOW_TABLE,

	MLX5_CAP_ESWITCH_FLOW_TABLE,

	/* NUM OF CAP Types */

	MLX5_CAP_NUM

};
@@ -1175,6 +1176,20 @@ enum mlx5_cap_type { 
#define MLX5_CAP_FLOWTABLE_MAX(mdev, cap) \

	MLX5_GET(flow_table_nic_cap, mdev->hca_caps_max[MLX5_CAP_FLOW_TABLE], cap)



#define MLX5_CAP_ESW_FLOWTABLE(mdev, cap) \

	MLX5_GET(flow_table_eswitch_cap, \

		 mdev->hca_caps_cur[MLX5_CAP_ESWITCH_FLOW_TABLE], cap)



#define MLX5_CAP_ESW_FLOWTABLE_MAX(mdev, cap) \

	MLX5_GET(flow_table_eswitch_cap, \

		 mdev->hca_caps_max[MLX5_CAP_ESWITCH_FLOW_TABLE], cap)



#define MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, cap) \

	MLX5_CAP_ESW_FLOWTABLE(mdev, flow_table_properties_nic_esw_fdb.cap)



#define MLX5_CAP_ESW_FLOWTABLE_FDB_MAX(mdev, cap) \

	MLX5_CAP_ESW_FLOWTABLE_MAX(mdev, flow_table_properties_nic_esw_fdb.cap)



#define MLX5_CAP_ODP(mdev, cap)\

	MLX5_GET(odp_cap, mdev->hca_caps_cur[MLX5_CAP_ODP], cap)

include/linux/mlx5/mlx5_ifc.h

+13 −0
Original line number Diff line number Diff line
@@ -447,6 +447,18 @@ struct mlx5_ifc_flow_table_nic_cap_bits { 
	u8         reserved_3[0x7200];

};



struct mlx5_ifc_flow_table_eswitch_cap_bits {

	u8     reserved_0[0x200];



	struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_nic_esw_fdb;



	struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_esw_acl_ingress;



	struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_esw_acl_egress;



	u8      reserved_1[0x7800];

};



struct mlx5_ifc_per_protocol_networking_offload_caps_bits {

	u8         csum_cap[0x1];

	u8         vlan_cap[0x1];
@@ -1846,6 +1858,7 @@ union mlx5_ifc_hca_cap_union_bits { 
	struct mlx5_ifc_roce_cap_bits roce_cap;

	struct mlx5_ifc_per_protocol_networking_offload_caps_bits per_protocol_networking_offload_caps;

	struct mlx5_ifc_flow_table_nic_cap_bits flow_table_nic_cap;

	struct mlx5_ifc_flow_table_eswitch_cap_bits flow_table_eswitch_cap;

	u8         reserved_0[0x8000];

};