[Bridge] Rx Buffer sizes on e1000

Andy Gospodarek andy at greyhouse.net
Wed Nov 14 08:09:46 PST 2007

On Nov 14, 2007 12:26 AM, Leigh Sharpe <lsharpe at pacificwireless.com.au> wrote:
> Looking at this a little further, the stats on the ethernet card (from
> ifconfig) tell me that it has transmitted as many bytes as it has
> received, which indicates that the bridge itself is not dropping the
> packets. I'm back to the idea that the card sn't delivering them to the
> bridge somehow. Hence my first guess about buffer sizes.

The e1000 module does have options for Tx/RxDescriptors (buffers), but
I'm not sure that's going to help you too much.

> As far as MSI goes, I have it enabled in the kernel (looks like it's
> default for 2.6.18?), but I see nothing in the logs referring to MSI. Is
> there any way of checking whether it's enabled and working? Or is it
> only a PCI-X thing?

$ cat /proc/interrupts

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