solved: Re: Chelsio T520-SO-CR low performance (netmap tested) for RX

[Luigi Rizzo]

On Sat, Jan 23, 2016 at 11:00 PM, Marcus Cenzatti <cenzatti at hush.com> wrote:
>
>
> On 1/24/2016 at 3:33 AM, "Luigi Rizzo" <rizzo at iet.unipi.it> wrote:
...

> ok here it is
>
> this lowered pps rate to 9.4Mpps on chelsio (we had 11Mpps with defaul len) and lowered rates to 14Mpps on sender (we had 14.8Mpps before).

see the other email from navdeep, he suggests to try -l 62
because the chelsio saves the packet with a 2-byte offset
into the buffer (it puzzles me a bit that it does so also
in netmap mode though).

cheers
luigi