No, we don't have such mechanism as it doesn't make lot of sense. Cost of core-to-core transfer is just to high to do such kind of offloading. If you really need to do handover, you typically do it once in the life of packet inside VPP and based on custom criteria (i.e. sending over to the core which owns specific session) so code needs to be written for that.
> On 25 Jun 2018, at 17:06, satishp <satishpitchik...@gmail.com> wrote: > > Hi Damjan, > Thanks for your mail. > While the regular behavior is that all nodes run on same thread, it is > possible to offload some of the nodes to secondary threads via > handoff(worker_handoff_node, handoff_dispatch_node) mechanism. > I did this between two fixed nodes and its working(node1 runs on worker1 and > node2 runs on worker2). > > My problem is to do this between any two nodes selected at runtime. > > Best Regards, > Satish > > On Mon, Jun 25, 2018 at 8:04 PM, Damjan Marion <dmar...@me.com > <mailto:dmar...@me.com>> wrote: > > Dear Satish, > > Your question indicates what you are missing basic understanding of how VPP > works (i.e. fact that all nodes are running on the same thread). > I suggest that you go trough series of videos available on the youtube, some > of them are explaining how that works. > > Regards, > > Damjan > >> On 25 Jun 2018, at 14:47, satishp <satishpitchik...@gmail.com >> <mailto:satishpitchik...@gmail.com>> wrote: >> >> Thanks Dave for your reply. >> Below is my usecase: >> Currently I have a single worker thread processing traffic. To scale the >> throughput, I would like to 'handoff' some packet processing to second >> worker thread. I would like to do this dynamically(i.e handoff packet from >> any node based on a cli command). >> >> For example: >> node1(on worker 1) => handoff=> node2(on worker 2) >> node1, node2 are inputs to cli which should setup this flow. >> >> Currently, I was able to handoff between two fixed nodes(using readily >> available handoff nodes). I'm now trying to extend this to any two nodes. >> >> Best Regards, >> Satish >> >> >> >> On Mon, Jun 25, 2018 at 5:25 PM, Dave Barach (dbarach) <dbar...@cisco.com >> <mailto:dbar...@cisco.com>> wrote: >> What you’re describing is at least marginally possible, but before I >> describe how one might do such a thing I want to know why you plan to do it. >> There are far less invasive techniques already available, e.g. for adding >> features. >> >> >> >> HTH... Dave >> >> >> >> From: vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io> <vpp-dev@lists.fd.io >> <mailto:vpp-dev@lists.fd.io>> On Behalf Of satish pitchikala >> Sent: Monday, June 25, 2018 2:30 AM >> To: vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io> >> Subject: [vpp-dev] Adding a node dynamically between any two nodes >> >> >> >> Hi, >> >> My requirement is to add a node at runtime between any two nodes. Addition >> is to be done via cli. >> >> >> >> eg: set handoff node1 node2 >> >> >> >> 1. This should create a node by name node1_handoff_node2. >> >> 2. node1_handoff_node2 previous node should be node1 >> >> 3. node1_handoff_node2 next node should be node2 >> >> >> >> I tried using VLIB_NODE_TYPE_PROCESS to create a node inside cli It creates >> a node but couldn't insert it between node 1 and node 2. >> >> >> >> Request for some pointers in this regard. >> >> >> >> Best Regards, >> >> Satish P >> >> >> > > > -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#9695): https://lists.fd.io/g/vpp-dev/message/9695 Mute This Topic: https://lists.fd.io/mt/22674708/21656 Group Owner: vpp-dev+ow...@lists.fd.io Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
