On Wed, 2018-05-16 at 10:04 -0700, Alexei Starovoitov wrote:
> On Tue, May 15, 2018 at 09:06:03PM +0200, Björn Töpel wrote:
> >
> > Alexei had two concerns in conjunction with adding ZC support to
> > AF_XDP: show that the user interface holds and can deliver good
> > performance for ZC and that t
2018-05-16 19:04 GMT+02:00 Alexei Starovoitov :
> On Tue, May 15, 2018 at 09:06:03PM +0200, Björn Töpel wrote:
>>
>> Alexei had two concerns in conjunction with adding ZC support to
>> AF_XDP: show that the user interface holds and can deliver good
>> performance for ZC and that the driver interfac
On Tue, May 15, 2018 at 09:06:03PM +0200, Björn Töpel wrote:
>
> Alexei had two concerns in conjunction with adding ZC support to
> AF_XDP: show that the user interface holds and can deliver good
> performance for ZC and that the driver interfaces for ZC are good. We
> think that this patch set sh
On Tue, 15 May 2018 21:06:03 +0200
Björn Töpel wrote:
> e have run some benchmarks on a dual socket system with two Broadwell
> E5 2660 @ 2.0 GHz with hyperthreading turned off. Each socket has 14
> cores which gives a total of 28, but only two cores are used in these
> experiments. One for TR/RX
From: Björn Töpel
This RFC introduces zerocopy (ZC) support for AF_XDP. Programs using
AF_XDP sockets will now receive RX packets without any copies and can
also transmit packets without incurring any copies. No modifications
to the application are needed, but the NIC driver needs to be modified
