Hi Team,

We are trying to run dpdk pktgen as packet generator for my packet reordering application. We are using vhost and virtio dpdk pmd driver on our packet_ordering application and dpdk pktgen application respectively. Although our packet_ordering application runs successfully with vhost driver, dpdk pktgen is not able to recognize virtio pmd driver and it fails with following error

================== Pktgen =========================

./usr/local/bin/pktgen -l 9-11 -n 4 --log-level 8 --no-pci --socket-mem 1024 --proc-type auto --file-prefix pktgen --vdev 'net_virtio_user0,mac=00:00:00:00:00:01,path=/tmp/vhost-user1.sock' -- -m "[10:11].0"

EAL: Detected CPU lcores: 12 EAL: Detected NUMA nodes: 1 EAL: Detected shared linkage of DPDK EAL: failed to parse device "net_virtio_user0" EAL: Unable to parse device 'net_virtio_user0,mac=00:00:00:00:00:01,path=/tmp/vhost-user1.sock'

=================Packet Ordering ========================== [root@lpt-C0JZ314 packet_ordering]# ./build/packet_ordering -l 6-8 -n 4 --socket-mem 1024 --proc-type auto --file-prefix po --vdev 'net_vhost0,iface=/tmp/vhost-user1.sock' -- -p 0x1 EAL: Detected CPU lcores: 12 EAL: Detected NUMA nodes: 1 EAL: Auto-detected process type: PRIMARY EAL: Detected static linkage of DPDK EAL: Multi-process socket /var/run/dpdk/po/mp_socket EAL: Selected IOVA mode 'PA' EAL: VFIO support initialized TELEMETRY: No legacy callbacks, legacy socket not created Initializing port 0... done VHOST_CONFIG: (/tmp/vhost-user1.sock) vhost-user server: socket created, fd: 23 VHOST_CONFIG: (/tmp/vhost-user1.sock) Setting max queue pairs to 1 VHOST_CONFIG: (/tmp/vhost-user1.sock) binding succeeded Port 0 MAC: 56 48 4f 53 54 00 REORDERAPP: worker_thread() started on lcore 7 REORDERAPP: rx_thread() started on lcore 6 REORDERAPP: send_thread() started on lcore 8

[root@lpt-C0JZ314 Pktgen-DPDK]# ls /tmp/vhost-user1.sock -lh srwxr-xr-x 1 root root 0 Jun 26 13:07 /tmp/vhost-user1.sock

Why is dpdk pktgen is built with shared libraries while in meson.build file we have set default_library as static ? [root@lpt-C0JZ314 Pktgen-DPDK]# ldd usr/local/bin/pktgen linux-vdso.so.1 (0x00007ffecd5eb000) librte_timer.so.24 => /root/dpdk_libs/lib64/librte_timer.so.24 (0x00007fd52194e000) librte_ethdev.so.24 => /root/dpdk_libs/lib64/librte_ethdev.so.24 (0x00007fd52162c000) librte_net.so.24 => /root/dpdk_libs/lib64/librte_net.so.24 (0x00007fd521424000) librte_mbuf.so.24 => /root/dpdk_libs/lib64/librte_mbuf.so.24 (0x00007fd521218000) librte_mempool.so.24 => /root/dpdk_libs/lib64/librte_mempool.so.24 (0x00007fd52100d000) librte_eal.so.24 => /root/dpdk_libs/lib64/librte_eal.so.24 (0x00007fd520cff000) librte_log.so.24 => /root/dpdk_libs/lib64/librte_log.so.24 (0x00007fd520afa000) libbsd.so.0 => /lib64/libbsd.so.0 (0x00007fd5208e6000) libpcap.so.1 => /lib64/libpcap.so.1 (0x00007fd52069b000) libdl.so.2 => /lib64/libdl.so.2 (0x00007fd520497000) libm.so.6 => /lib64/libm.so.6 (0x00007fd520115000) librte_net_bond.so.24 => /root/dpdk_libs/lib64/librte_net_bond.so.24 (0x00007fd51fef5000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fd51fcd5000) libc.so.6 => /lib64/libc.so.6 (0x00007fd51f8ff000) /lib64/ld-linux-x86-64.so.2 (0x00007fd521b53000) libnuma.so.1 => /lib64/libnuma.so.1 (0x00007fd51f6f3000) librte_kvargs.so.24 => /root/dpdk_libs/lib64/librte_kvargs.so.24 (0x00007fd51f4f0000) librte_telemetry.so.24 => /root/dpdk_libs/lib64/librte_telemetry.so.24 (0x00007fd51f2e6000) librte_ring.so.24 => /root/dpdk_libs/lib64/librte_ring.so.24 (0x00007fd51f0e2000) librte_meter.so.24 => /root/dpdk_libs/lib64/librte_meter.so.24 (0x00007fd51eedf000) libmd.so.0 => /lib64/libmd.so.0 (0x00007fd51ecd0000) libibverbs.so.1 => /lib64/libibverbs.so.1 (0x00007fd51eab0000) librte_bus_pci.so.24 => /root/dpdk_libs/lib64/librte_bus_pci.so.24 (0x00007fd51e8a2000) librte_pci.so.24 => /root/dpdk_libs/lib64/librte_pci.so.24 (0x00007fd51e6a0000) librte_bus_vdev.so.24 => /root/dpdk_libs/lib64/librte_bus_vdev.so.24 (0x00007fd51e49b000) librte_sched.so.24 => /root/dpdk_libs/lib64/librte_sched.so.24 (0x00007fd51e288000) librte_ip_frag.so.24 => /root/dpdk_libs/lib64/librte_ip_frag.so.24 (0x00007fd51e07e000) librte_hash.so.24 => /root/dpdk_libs/lib64/librte_hash.so.24 (0x00007fd51de62000) librte_rcu.so.24 => /root/dpdk_libs/lib64/librte_rcu.so.24 (0x00007fd51dc5d000) libnl-route-3.so.200 => /lib64/libnl-route-3.so.200 (0x00007fd51d9cb000) libnl-3.so.200 => /lib64/libnl-3.so.200 (0x00007fd51d7a8000) libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007fd51d590000)

Expectation
Pktgen application to come up using virtio dpdk pmd driver and should be able to generate traffic.

DPDK Version : v23.11 PKTGEN Version: pktgen-24.03.0

Thanks, Ekambaram A

pktgen / Pktgen-DPDK

Unable to run dpdk pktgen using virtio pmd driver #267

./usr/local/bin/pktgen -l 9-11 -n 4 --log-level 8 --no-pci --socket-mem 1024 --proc-type auto --file-prefix pktgen --vdev 'net_virtio_user0,mac=00:00:00:00:00:01,path=/tmp/vhost-user1.sock' -- -m "[10:11].0"