On 29 January 2016 at 14:28, Elo, Matias (Nokia - FI/Espoo) < [email protected]> wrote:
> > -----Original Message----- > > From: EXT Maxim Uvarov [mailto:[email protected]] > > Sent: Friday, January 29, 2016 1:15 PM > > To: Elo, Matias (Nokia - FI/Espoo) <[email protected]>; lng- > > [email protected] > > Subject: Re: [lng-odp] [API-NEXT PATCH 00/11] DPDK pktio implementation > > > > On 01/28/2016 17:24, Elo, Matias (Nokia - FI/Espoo) wrote: > > >> -----Original Message----- > > >> From: lng-odp [mailto:[email protected]] On Behalf Of > EXT > > Maxim > > >> Uvarov > > >> Sent: Thursday, January 28, 2016 3:10 PM > > >> To: [email protected] > > >> Subject: Re: [lng-odp] [API-NEXT PATCH 00/11] DPDK pktio > implementation > > >> > > >> Matias, can you please add validation test case to that series the > same > > >> thing which we use for odp-dpkd? > > >> I.e. with PCAP PMD. to test functionality. > > > You can use normal pktio validation tests (e.g. sudo ODP_PKTIO_IF0=1 > > ODP_PKTIO_IF1=3 ./test/validation/pktio/pktio_main). > > > Currently, most of the tests fails as _pktio_wait_linkup() in called > in invalid > > locations, but I'm sending a separate patch soon to fix this. > > > > > > Or did you mean something else? > > > > > > -Matias > > > > Something else. DPDK has pcap PMD to run app without hardware on any > > device. We did that for make check on odp-dpdk to make > > test pass on vethX devices. The same idea as we do for raw sockets. > > > > file: > > https://git.linaro.org/lng/odp-dpdk.git/blob/HEAD:/platform/linux- > > dpdk/test/pktio/pktio_run > > line: > > export ODP_PLATFORM_PARAMS="-n 4 --vdev eth_pcap0,iface=$IF0 --vdev > > eth_pcap1,iface=$IF1" > > > > But I'm not sure if it's applicable to your patches. But if you can add > > some check to validation it without hardware > > it will be very helpful to catch bugs as soon as possible. > > > > OK, I'll look into this. It's probably best to submit that in a separate > patch as it is a new feature. > > -Matias > Right, we can stage all that in api-next, then merge to 1.8 when everything will be ready. Maxim. > > > Thanks, > > Maxim. > > > > > > >> Thanks, > > >> Maxim. > > >> > > >> On 01/28/2016 10:03, Matias Elo wrote: > > >>> Implements new DPDK pktio type, which operates in the same manner as > > the > > >>> existing ODP interface types. DPDK mbuf packets are copied during > > >> receive/send > > >>> to maintain compatibility with the linux-generic pktio. > > >>> > > >>> The current unoptimized DPDK pktio implementation achieves forwarding > > rates > > >>> (odp_l2fwd), which are comparable to netmap pktio and scale better > with > > >> larger > > >>> thread counts. Some initial benchmark results below > > >>> (odp_l2fwd 4 x 10 Gbps - 64B, Intel Xeon E5-2697v3). > > >>> > > >>> Threads > > >>> 1 2 4 6 8 10 12 > > >>> DPDK 6.7 12 25.3 37.2 47.6 47.3 46.8 > MPPS > > >>> Netmap 6.1 12.6 25.8 32.4 38.9 38.6 38.4 > > >>> > > >>> > > >>> From 8 threads and onwards the throughput is limited by the NICs > (Intel > > >> 82599). > > >>> Build and usage information can be found from DEPENDENCIES. The DPDK > > >>> initialization code is copied from the odp-dpdk branch. > > >>> > > >>> Matias Elo (11): > > >>> linux-generic: pktio: add DPDK pktio build support > > >>> linux-generic: pktio: initial DPDK pktio implementation > > >>> linux-generic: dpdk: add get/set functions for mtu, promisc > mode, and > > >>> capability > > >>> linux-generic: dpdk: add rx/tx locking > > >>> linux-generic: dpdk: add odp_pktio_link_status() > > >>> linux-generic: dpdk: add dpdk_setup_port() > > >>> linux-generic: dpdk: add functions for fetching packet > input/output > > >>> queues > > >>> linux-generic: dpdk: add odp_pktio_input_queues_config() > > >>> linux-generic: dpdk: add odp_pktio_output_queues_config() > > >>> linux-generic: dpdk: handle ixgbe_pmd minimum burst size > > >>> linux-generic: dpdk: close resources in odp_pktio_close() > > >>> > > >>> DEPENDENCIES | 54 ++ > > >>> platform/linux-generic/Makefile.am | 2 + > > >>> platform/linux-generic/include/odp_internal.h | 5 + > > >>> platform/linux-generic/include/odp_packet_dpdk.h | 68 ++ > > >>> .../linux-generic/include/odp_packet_io_internal.h | 3 + > > >>> platform/linux-generic/m4/configure.m4 | 1 + > > >>> platform/linux-generic/m4/odp_dpdk.m4 | 43 ++ > > >>> platform/linux-generic/odp_init.c | 12 + > > >>> platform/linux-generic/pktio/dpdk.c | 826 > > +++++++++++++++++++++ > > >>> platform/linux-generic/pktio/io_ops.c | 3 + > > >>> 10 files changed, 1017 insertions(+) > > >>> create mode 100644 > platform/linux-generic/include/odp_packet_dpdk.h > > >>> create mode 100644 platform/linux-generic/m4/odp_dpdk.m4 > > >>> create mode 100644 platform/linux-generic/pktio/dpdk.c > > >>> > > >> _______________________________________________ > > >> lng-odp mailing list > > >> [email protected] > > >> https://lists.linaro.org/mailman/listinfo/lng-odp > >
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