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From: Maksim Yevmenkin <m_evmenkin@yahoo.com>
To: Alexander Pohoyda <alexander.pohoyda@gmx.net>
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Alexander,

[...]
 
> > it does not work like this, sorry. Serial Port Profiles is based on
> RFCOMM.
> > RFCOMM in its turn based on L2CAP, L2CAP on HCI, etc. so you need to port
> > entire stack back to 4.8-R.
> 
> How big the effort is? Your estimation?

Netgraph in 4.x is different from Netgraph in -current. so you need to back
port. locking is also different in 4.x (splXXX vs. mutexes). it should not
be that hard. i would say a couple of months work. 
 
thanks,
max


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