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Questions tagged [ovs-dpdk]

9 questions
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1 answer

write to /sys/bus/pci/drivers/uio_pci_generic/bind is failing

root@prab:/usr/src/dpdk-stable-22.11.1/usertools# echo sh -c 0000:51:00.0 > /sys/bus/pci/drivers/uio_pci_generic/bind bash: echo: write error: No such device root@prab:/usr/src/dpdk-stable-22.11.1/usertools# sudo echo sh -c 0000:51:00.0 >…
Prab
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Unable to use paravirtualized port created from vhost-user-client after dpdk-devbind

Some context first: I installed and configured OVS-DPDK on VM0 [ubuntu + qemu/kvm + ovs-dpdk]. As a guest running on top of VM0 I have VM1 [ubuntu + dpdk]. After a bit of googling I was able to create vhost-user-client port in OVS and consume it…
triple fault
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In a DPDK-enabled OpenStack, does the application running inside an instance need to understand DPDK too?

If we enable the DPDK feature on compute nodes in an OpenStack environment, is it enough that OpenVSwitch configured for it, or do software running inside instances have to understand DPDK?
Moha
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Facing issue with rte_pktmbuf_clone

Basically I am sending a DNS query message across router to a DNS responder using DPDK libraries(dpdk-stable-19.11.10), When i am sending packet i am capturing packet using wireshark and packet looks clean. On the responsder if i do TCP dump and see…
Subham Mohanta
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What is the best way to put back all entries in rte_mempool in one go

I am using a mempool in my dpdk app to store values that are periodically emitted to an external server. Everytime the values are emitted I want to replenish the complete mempool. What is the best wat to put back all elements as available to the…
Sayantan Ghosh
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Latency between veths using DPDK with net_pcap

I'm trying to link 2 namespaces using between them a ovs-dpdk bridge, in this case trying to use net_pcap. This works (ping is ok between them), but there is a huge latency and no TCP connection between them. Then I do another test, but using…
LuisK
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Ovs with dpdk configuration issue

I installed dpdk 22.07 version on ubuntu 22.04 server as specified in the guide. https://core.dpdk.org/doc/quick-start/ Then I used the following command for ovs installation. ./configure --with-dpdk=static CFLAGS="-Ofast -msse4.2 -mpopcnt" And I…
ogulcanhgul
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dpdk-pktgen: How to change rate of packet transmission?

I am new to dpdk-pktgen and dpdk in general. My scenario is to test throughput of openvswitch-dpdk at different rates of transmission. I am using dpdk-pktgen version 22.04.1 inside a docker container. Pktgen is using the dpdkvhostuser ports that I…
Rohan Bose
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OVS with dpdk : error: ‘const struct vhost_device_ops’ has no member named ‘new_device’

I see the following error while compiling openvswitch-2.13.6 library with dpdk. I have tried to look for answers and am not able to find. I did try to see what header is included. it is from . /usr/local/include/rte_vhost.h and I see the variable…
Syed Towkhir
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