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: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
index 9335e5a..bf6e3df 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -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;
 }
 

diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 90a4cb6..bce9cae 100644 (file)
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -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)
 

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 39487d0..ae7c08a 100644 (file)
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -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];
 };