Am Freitag, 8. Juli 2011, 17:55:59 schrieb Greg KH: > On Fri, Jul 08, 2011 at 03:28:00PM +0200, Michal Hybner wrote: > > Any advices how to solve this? If the bottleneck is really the buffer > > size, isn't it possible to set it somehow in the 'ipw' driver? Maybe > > it is simple to find, but I can't code :-(. Few days ago I found this > > patch[1] - maybe something similar could be done for 'ipw' driver too? > > 'lsusb -v' and 'lspci -v' attached. > > Yes, a patch like that one should help out a lot here, are you able to > test patches? > > If so, can you try the one below and let me know if it helps you out or > not? Hi, this is at best a band aid. We don't want to grow single buffers beyond the size of an IP packet and we really need to stop at PAGE_SIZE. The real problem is that the generic driver uses a single URB on the rx path. Regards Oliver - - - SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg) Maxfeldstraße 5 90409 Nürnberg Germany - - - -- 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
