> So I'm guessing that increasing the PCI-X burst size setting
> (MMRBC) will automatically get more packets sent per transfer?
> I said previously in this thread to google for setpci and MMRBC,
> but what I know about it is...
> To return the current setting(s):
> setpci -d 8086:1010 e6.b
> The MMRBC is the upper two bits of the lower nibble, where:
> 0 = 512 byte bursts
> 1 = 1024 byte bursts
> 2 = 2048 byte bursts
> 3 = 4096 byte bursts
> For me to set 4KiB bursts I do:
> setpci -d 8086:1010 e6.b=0e
That should definitely be tested. Four runs w. pktgen should be enough.