Re: [linux-usb-devel] Min USB RTT

2001-10-04 Thread Roman Weissgaerber
Jean Tourrilhes wrote: > > Hi, > > I've got a questions for the USB gurus... What is the minimum > or typical round trip time of a USB bulk transfer ? > (BTW, I'm not on the list...) > > Let's take an example... > My driver has 2 bulk pipes, in and out. T

Re: [linux-usb-devel] Min USB RTT

2001-10-04 Thread Johannes Erdfelt
On Thu, Oct 04, 2001, Jean Tourrilhes <[EMAIL PROTECTED]> wrote: > On Thu, Oct 04, 2001 at 02:21:47PM -0400, Johannes Erdfelt wrote: > > Drivers are notified when transfers are done on frame boundaries. > > > > However, data may go over the wire quicker than that. > > And for Rx ? Are driv

Re: [linux-usb-devel] Min USB RTT

2001-10-04 Thread Jean Tourrilhes
On Thu, Oct 04, 2001 at 02:21:47PM -0400, Johannes Erdfelt wrote: > > Drivers are notified when transfers are done on frame boundaries. > > However, data may go over the wire quicker than that. And for Rx ? Are drivers also notified on frame boundary ? > JE Jean _

Re: [linux-usb-devel] Min USB RTT

2001-10-04 Thread Johannes Erdfelt
On Thu, Oct 04, 2001, Jean Tourrilhes <[EMAIL PROTECTED]> wrote: > I've got a questions for the USB gurus... What is the minimum > or typical round trip time of a USB bulk transfer ? > (BTW, I'm not on the list...) > > Let's take an example... > My driver has 2 bulk pipes,

[linux-usb-devel] Min USB RTT

2001-10-04 Thread Jean Tourrilhes
Hi, I've got a questions for the USB gurus... What is the minimum or typical round trip time of a USB bulk transfer ? (BTW, I'm not on the list...) Let's take an example... My driver has 2 bulk pipes, in and out. The transfer is assumed to be a single TD (