Hi Alen,

  Thank you for your comment.

1. This driver probably belongs somewhere in drivers/net rather
than platform-x86

  I was devided between drivers/net and platform-x86...

2. It would be helpful to undertand what the use case is. You describe it
as

    I know. Unfortunately currently there's no good HP to illustrate 
    Extended Socket.

"This patchsets add support for FUJITSU Extended Socket network
 device. Extended Socket network device is a shared memory
 based high-speed network interface between Extended Partitions of
 PRIMEQUEST 2000 E2 series."

So would this interface be used to interconnect multiple instances of
Linxu (or other operating systems) physically partitioned running on the
PrimeQuest server ?

   This interface is used to interconnect multiple instances of Linux 
   (currently only Linux) LOGICALLY (called Extended Partiton) partitioned
   running PRIMEQUEST.

Am I looking at the right information about the system here

http://www.researchgate.net/publication/228905336_Partitioning_Technologies_and_Dynamic_Reconfiguration_of_Mission-C
ritical_IA_Server_PRIMEQUEST/links/000477b10cf2ed98fb432c1b.pdf

   That document is for PRIMEQUEST 400/500 series, so it's a bit old though basic conception is not so far.

   The following manual is useful to understand Extend Partiton and
   Extended Socket. 

     http://globalsp.ts.fujitsu.com/dmsp/Publications/public/CA92344-0537.pdf
      3.2.1 Extended Partitioning
      3.2.2 Extended Socket

  Sincerely,
  Taku Izumi