Hi Pragya, Not sure what you are trying to do. Does it works when using the Linux kernel stock virtio-pci driver and Linux netdev? Or are you trying to interconnect 2 VPP on the same host via vhost (what dpdk refers to as virtio-user)? If so I do not think we support that, but you can use memif instead.
Best ben > -----Original Message----- > From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Pragya Nand > Bhagat > Sent: mercredi 23 février 2022 09:59 > To: vpp-dev@lists.fd.io > Subject: [vpp-dev] issue in bringing up vhost-user interface using > startup.conf file. > > Hi All, > > > I'm able to bring up the vhost-user interface after vpp is up using > following command: > > create vhost-user socket /tmp/virt_sock/vhost3.sock server > > > and it is reflected in "show vhost-user" > > vpp# show vhost-user > Virtio vhost-user interfaces > Global: > coalesce frames 32 time 1e-3 > Number of rx virtqueues in interrupt mode: 0 > Number of GSO interfaces: 0 > Thread 0: Polling queue count 1 > Interface: VirtualEthernet0/0/0 (ifindex 2) > Number of qids 2 > virtio_net_hdr_sz 0 > features mask (0xfffffffbdfffa27c): > features (0x0): > protocol features (0x0) > > socket filename /tmp/virt_sock/vhost3.sock type server errno "Success" > > rx placement: > thread 0 on vring 1, polling > tx placement > > Memory regions (total 0) > Issue is when I try to bring up vhost-user interface using dpdk section in > startup.conf. > > I add the following lines in dpdk section: > > log-level 8 > socket-mem 1024,1024 > huge-dir /mnt/huge_c0 > vdev eth_vhost0,iface=/tmp/virt_sock/vhost4.sock > > > The interface comes up : > > vpp# show interface > Name Idx State MTU (L3/IP4/IP6/MPLS) > Counter Count > GigabitEthernet4/0/2 1 down 9000/0/0/0 > VhostEthernet1 2 down 9000/0/0/0 > local0 0 down 0/0/0/0 > > but I'm not able to see interface in output of "show vhost-user". > Are these two interface same or we need something else in dpdk section for > an equivalent interface ? > Also what shall we add in dpdk section to bringup a memif interface ? > Is there some document related to dpdk section in vpp's startup.conf which > has detailed description ? > It'll be a great help . > > Thank You > Pragya Nand >
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