CTRL_CMD_HAS_DATA
.flags = CTRL_CMD_HAS_DATA,
.flags = CTRL_CMD_HAS_DATA,
.flags = CTRL_CMD_HAS_DATA,
.flags = CTRL_CMD_HAS_DATA,
.flags = CTRL_CMD_HAS_DATA | CTRL_CMD_HAS_BUF,
if (data->flags & CTRL_CMD_HAS_DATA)