net/mlx5: fs, Command to control TX flow table root

Introduce an API to set/unset the TX flow table root for a device.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
index 8438ecabff84f2fb56631715ed5102d90b3e78ff..1616a6144f7b42d4c7415bc02a05dbf63c61c420 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -1158,3 +1158,23 @@ int mlx5_fs_cmd_set_l2table_entry_silent(struct mlx5_core_dev *dev, u8 silent_mo
 
        return mlx5_cmd_exec_in(dev, set_l2_table_entry, in);
 }
+
+int mlx5_fs_cmd_set_tx_flow_table_root(struct mlx5_core_dev *dev, u32 ft_id, bool disconnect)
+{
+       u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {};
+       u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {};
+
+       if (disconnect && MLX5_CAP_FLOWTABLE_NIC_TX(dev, reset_root_to_default))
+               return -EOPNOTSUPP;
+
+       MLX5_SET(set_flow_table_root_in, in, opcode,
+                MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
+       MLX5_SET(set_flow_table_root_in, in, table_type,
+                FS_FT_NIC_TX);
+       if (disconnect)
+               MLX5_SET(set_flow_table_root_in, in, op_mod, 1);
+       else
+               MLX5_SET(set_flow_table_root_in, in, table_id, ft_id);
+
+       return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+}

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h
index f553719a02a087db96034572e44baec33a757c76..53e0e5137d3ff0ecec6db415b4a7fa5ad3dacc0d 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h
@@ -123,4 +123,5 @@ const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type typ
 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void);
 
 int mlx5_fs_cmd_set_l2table_entry_silent(struct mlx5_core_dev *dev, u8 silent_mode);
+int mlx5_fs_cmd_set_tx_flow_table_root(struct mlx5_core_dev *dev, u32 ft_id, bool disconnect);
 #endif