> On 5 Feb 2018, at 19:42, Bill Fischofer <bill.fischo...@linaro.org> wrote: > > Thanks, Gyanesh, that does sound like a bug. +cc Matias: Can you comment on > this? > > On Mon, Feb 5, 2018 at 5:09 AM, gyanesh patra <pgyanesh.pa...@gmail.com> > wrote: > I am testing an l2fwd use-case. I am executing the use-case with two > CPUs & two interfaces. > One interface with 2 Rx queues receives pkts using 2 threads with 2 > associated CPUs. Both the > threads can forward the packet over the 2nd interface which also has 2 Tx > queues mapped to > 2 CPUs. I am sending packets from an external packet generator and > confirmed that both > queues are receiving packets. > *When I run odp_pktin_recv() on both the queues, the packet* > * forwarding works fine. But if I put a sleep() or add a busy loop instead > of odp_pktin_recv() * > *on one thread, then the other thread stops receiving packets. If I > replace the sleep with odp_pktin_recv(), both the queues start receiving > packets again. *I encountered this problem on the DPDK pktio support on > ODP 1.16 and ODP 1.17. > On socket-mmap it works fine. Is it expected behavior or a potential bug? >
Hi Gyanesh, Could you please share an example code which produces this issue? Does this happen also if you enable zero-copy dpdk pktio (--enable-dpdk-zero-copy)? Socket-mmap pktio doesn't support MQ, so comparison to that doesn't make much sense. Netmap pktio supports MQ. Regards, Matias
