how match do you pull head? Does this value fit into default headroom? Maxim.
On 18 June 2018 at 18:34, Daniel Feferman <dlfefer...@gmail.com> wrote: > Hi Bill, > > Thank you for your answer. Answering your questions: > > -v16. odp-linux. > -It was a Xeon E5, then x86 using a link of up to 10G. > -I'm new on ODP, I'm currently working on a VXLAN implementation (but we > similar problem with a BNG use case) using P4 language with this compiler > (which I'm a bit more familiar) that uses ODP: > https://github.com/intrig-unicamp/macsad > > So, you may be right, it may be after APIs are called. However, for now, my > best guess was something known with ODP. I was thinking to run one of ODP > examples with both functions to test the performance and see if I get the > same throughput to discard ODP. I saw this IPsec which seems to use both of > them, but I'm sending packets and it's not forwarding, I've tried the > "--enable-debug-print" flag but I was not able to figure it out what's > wrong. > > I'm running IPsec using: > > ./odp_ipsec -i veth1,veth3,veth5 -m 0 > > I'm using scapy to send the packet set like: > > pkt1 = > Ether(dst='08:00:27:4C:55:CC',src='08:00:27:76:B5:E0')/IP( > dst='192.168.111.1',src='192.168.111.2') > > And sending it through veth1. Am I doing something wrong? Do you have any > hint about it? > > Best, > Daniel > > > On Mon, Jun 18, 2018 at 11:54 AM Bill Fischofer <bill.fischo...@linaro.org > > > wrote: > > > Hi Daniel. Can you give a bit more detail? > > > > - What version of ODP are you using? Is this the odp-linux or odp-dpdk > > reference implementations from GitHub or some other implementation? > > - The platform / system you're running on. x86? Arm? Something else? > > - A small code snippet / test program illustrating what you're trying to > > do? > > > > The push/pull routines should have similar performance characteristics. > > The differences you're observing may be due to what's happening in your > > program after these APIs are called. > > > > On Mon, Jun 18, 2018 at 9:35 AM, Daniel Feferman <dlfefer...@gmail.com> > > wrote: > > > >> Hi all, > >> > >> I'm running a compiler that takes advantage of ODP to allow good > >> throughput > >> with portability. However, one of our tests seems to point that > >> odp_packet_pull_head > >> strongly impact the performance compared to the "opposite" function ( > >> odp_packet_push_head), I mean a program using push seems have > considerably > >> better throughput than the same using pull. Is it a known issue or > >> something that someone has seen before? > >> > >> Furthermore, I'm trying to run IPsec example to test it, but I was not > >> able > >> to run it with 3 different veth interface, ODP simply does not forward > the > >> packet. Do I really need 3 separate VMs to run it or may I use veth to > set > >> similar environment? > >> > >> Thanks, > >> Daniel > >> > > > > >
