On Wed, 16 Jun 2010, Oliver Neukum wrote: > Am Mittwoch, 16. Juni 2010 19:10:52 schrieb Alan Stern: > > > So to make sure I got you right. The problem seems > > > to me that for the scatter/gather as storage does the > > > chunks need to be a multiple of the transfer size. > > > > > > If we want to do this for networking we'd need to align > > > the skbs to that size and build a virtual large package > > > from a chain of skbs. Is that what you had in mind? > > > > It looks like Dave meant that you can submit a large number of URBs, > > each transferring an arbitrary amount of data. > > Yes, but the device will notice if you send an incomplete packet. > As the device is probably optimized for batching, this may be > a problem. What's wrong with sending a non-maximum-size packet? Don't you do that all the time? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
