[lkml]   [2017]   [Sep]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH net-next 0/3] support changing steering policies in tuntap
On Wed, Sep 27, 2017 at 4:25 PM, Willem de Bruijn
<> wrote:
>>> In the future, both simple and sophisticated policy like RSS or other guest
>>> driven steering policies could be done on top.
>> IMHO there should be a more practical example before adding all this
>> indirection. And it would be nice to understand why this queue selection
>> needs to be tun specific.
> I was thinking the same and this reminds me of the various strategies
> implemented in packet fanout. tun_cpu_select_queue is analogous to
> fanout_demux_cpu though it is tun-specific in that it requires tun->numqueues.
> Fanout accrued various strategies until it gained an eBPF variant. Just
> supporting BPF is probably sufficient here, too.

+1, in addition to packet fanout, we have SO_REUSEPORT with BPF, RPS,
RFS, etc. It would be nice if existing packet steering mechanisms
could be leveraged for tun.

 \ /
  Last update: 2017-09-28 07:03    [W:0.116 / U:0.924 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site