data transfer limit using ioctl()?

[Parav Pandit]

Hi,
   
  How much maximum data transfer should be done using ioctl() to driver?
   
  I can also use the Netlink sockets to transfer data from user to kernel.
  Is there any limit that we should consider for choosing ioctl() to driver or using netlink sockets?
   
  Regards,
  Parav Pandit
   
   
   

 
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