Am Donnerstag, 7. Oktober 2004 12:52 schrieb Duncan Sands:
> > For example, in order to do a 64k BULK OUT transfer, assuming an
> > endpoint maxPacketSize of 32 bytes, I had to do 2048 ioctls, each
> > triggering a context switch.
> 
> No, you do one ioctl, sending 64k.  The host controller will indeed
> send it in 32 byte bits, but that's not your problem.

Iff you can pass it a 64K buffer, which you can't, as the largest
buffer you can sanely allocate is PAGE_SIZEed.

        Regards
                Oliver


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