On Fri, 18 May 2007, Hans Petter Selasky wrote:

> Hi,
> 
> If you are interested, the files are:
> 
> http://www.turbocat.net/~hselasky/isdn4bsd/sources/src/sys/dev/usb/usb_compat_linux.c
> http://www.turbocat.net/~hselasky/isdn4bsd/sources/src/sys/dev/usb/usb_compat_linux.h
> 
> It is almost finished now.
> 
> And it is not very much code.

It occurred to me last night that you could accomplish what you want 
without any change to the Linux drivers at all.  Just change the 
FreeBSD stack so that it preallocates one or two transfers for every 
endpoint at the time the endpoint is enabled -- that is, whenever the 
stack sends a Set-Configuration or Set-Interface request.

Alan Stern


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