ixgbe input errors at high data rates

[rihad]

Jack Vogel wrote:
> The difference between things being tweaked vs not is quite dramatic,
>  like getting only 2 or 3 Gb versus getting 9.5 when properly set up.
> The multiqueue stack support in 8.0 is part of the equation, and in
> 7.X you wont have that. >


Any other tweaks beyond using the bleeding edge driver? Sysctls? Kernel 
config? Does ixgbe in 8.0 support polling? I don't like the irq thread 
chewing up all the CPU core time on input. Won't the outgoing card fall 
on its knees with dummynet's burst spikes? Thanks :)