Damjan,
Thanks for Your answer. One more question is whether
worker-handoff is production grade code?
I have run worker-handoff for l2bd use case successfully,
however, the IPsec use case in transport mode fails.
All the packets are dropped after Ethernet-input graph node is done on the
second worker core.
Regards
Zhiyong
From: vpp-dev@lists.fd.io [mailto:vpp-dev@lists.fd.io] On Behalf Of Damjan
Marion via Lists.Fd.Io
Sent: Wednesday, February 20, 2019 6:23 PM
To: Yang, Zhiyong <zhiyong.y...@intel.com>
Cc: vpp-dev@lists.fd.io
Subject: Re: [vpp-dev] One question about "worker-handoff" graph node.
On 20 Feb 2019, at 09:49, Zhiyong Yang
<zhiyong.y...@intel.com<mailto:zhiyong.y...@intel.com>> wrote:
Hi VPP guys,
There exists a “handoff” graph node in VPP that is named
“worker-handoff”. From my understanding, it looks to be acting as a
distributing packets received role in the multi thread working environment ,
and distribute pkts by hash algo to 1 or more worker threads. Right?
y, it is basically software RSS....
One question is that which use cases can demostrate how the graph node is
applied in VPP. If have any, please show me.
see "set interface handoff" cli...
I know that nat also use similar handoff cases. And if NAT is using this
“worker-handoff” graph node or not. If not, what’s difference between these
handoff graph nodes?
worker-handoff node does handoff decision based on basic l2-l3-l4 hash, nat
handoff node does handoff decision based on NAT session locality.
BTW, I mainly intend to study core to core applications by this
for multiple-thread working model in VPP. Appreciate your input in advance.
--
Damjan
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