On 2015-10-13 at 11:28:13 +0200, Daniel Borkmann <dan...@iogearbox.net> wrote:
> On 10/13/2015 11:22 AM, Tobias Klauser wrote:
> >On 2015-10-09 at 20:02:47 +0200, Daniel Borkmann <dan...@iogearbox.net>
> >wrote:
> >>On 10/09/2015 12:50 PM, Eric Dumazet wrote:
> >>>On Thu, 2015-10-08 at 20:42 -0700, Tom Herbert wrote:
> >>>>On Thu, Oct 8, 2015 at 8:37 AM, Eric Dumazet <eduma...@google.com> wrote:
> >>>>>As promised in last patch series, we implement a better SO_REUSEPORT
> >>>>>strategy, based on cpu affinities if selected by the application.
> >>>>>
> >>>>>We also moved sk_refcnt out of the cache line containing the lookup
> >>>>>keys, as it was considerably slowing down smp operations because
> >>>>>of false sharing. This was simpler than converting listen sockets
> >>>>>to conventional RCU (to avoid sk_refcnt dirtying)
> >>>>>
> >>>>>Could process 6.0 Mpps SYN instead of 4.2 Mpps on my test server.
> >>>>>
> >>>>Is this IPv4, IPv6, or some combination of the two ? :-)
> >>>
> >>>IPv4 only (mostly because I was using trafgen and its csumtcp() only
> >>>deals with IPv4 and I am lazy)
> >>
> >>Agreed, will fix that in trafgen. ;) Thanks!
> >
> >Daniel, I'd have som preliminary patches for trafgen ready to introduce
> >the csumudp6 and csumtcp6 trafgen helper functions (UDP/TCP checksum
> >using IPv6 pseudo headers). If you want I can push them after some
> >further testing later today.
>
> Was off yesterday, so looks like you beat me to it. So, yes, perfect,
> please do! :)
csumudp6 and csumtcp6 for trafgen are now availble in the netsniff-ng
git as of commit 19c15748 ("trafgen: Add checksum helpers for TCP/UDP
over IPv6").
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