On 7/27/07, Till Harbaum / Lists <[EMAIL PROTECTED]> wrote: > Hi, > > Am Freitag 27 Juli 2007 schrieb Gabriel Maganis: > > I have one of those protocol analyzers in between and it doesn't see > > anything. I tried to look for where the EPROTO is being returned from > > Where is this "in between"? Is it directly in front of the keyboard? I am > quite sure that full speed messages are dropped by the hub the low speed > device is connected to as it just can't forward the packet on the low speed > link. > > If there was some seperate hub before the keyboard you might see > something on this hubs upstream link as that is a full speed link. > > If your keyboard is directly connected to the pc you won't see anything > with your analyzer since the root hub inside your pc does not forward > the full speed packet to the usb output of your pc the low speed device > is connected to. > > Till > Ah. I'm pretty sure the connection is such that the analyzer is a passive listener i.e. the keyboard is connected to my computer, so that means I have to modify some routine in hub.c to forward the packet anyway? I guess my question has been where might I look for the code that can let me bypass the logic that prevents the root hub from forwarding this packet?
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