Re: New USB stack on FreeBSD w/Linux emulation layer coming
Hans Petter Selasky <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Friday 18 May 2007 16:26, Alan Stern wrote: > 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_co > >mpat_linux.c > > http://www.turbocat.net/~hselasky/isdn4bsd/sources/src/sys/dev/usb/usb_co > >mpat_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. > That is correct. But where do I get information about the buffer-size to use? Choosing the wrong buffer size can limit performance or waste memory. --HPS ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel