I don't know. The problem would be different, since it would be about whether OVS-DPDK can get the required access to the network device rather than the kernel module.
On Thu, May 06, 2021 at 01:04:14AM +0000, Seshadri, Usha wrote: > Thanks for your response Ben. Since kernel datapath requires root, would > using DPDK solve this problem? Can OVS-DPDK run as non-root? > > Thanks, > Usha > > > -----Original Message----- > From: Ben Pfaff <b...@ovn.org> > Sent: Wednesday, May 5, 2021 7:25 PM > To: Seshadri, Usha (US) <usha.sesha...@lmco.com> > Cc: ovs-discuss@openvswitch.org > Subject: EXTERNAL: Re: [ovs-discuss] Unable to add flows - Operation not > permitted > > On Wed, May 05, 2021 at 07:38:45PM +0000, Seshadri, Usha wrote: > > 1. I am trying to add flows by executing the following command on the > > CLI as a non-root user, but I see 'Operation not permitted' errors in the > > log file as provided below: > > [...] > > > 2021-05-05T16:05:15.278Z|00012|ofproto_dpif|ERR|failed to open > > datapath of type system: Operation not permitted > > 2021-05-05T16:05:15.278Z|00013|ofproto|ERR|failed to open datapath > > br0: Operation not permitted > > 2021-05-05T16:05:15.278Z|00014|bridge|ERR|failed to create bridge br0: > > Operation not permitted > > I guess that you are using the OVS datapath that uses the Linux kernel > module. Ordinarily, this does require root. People who work with containers > a lot (nto me) might know some workaround. > > > 1. Running the command again says the bridge already exists. > > > > ovs-vsctl add-br br0 > > ovs-vsctl: cannot create a bridge named br0 because a bridge named br0 > > already exists > > Yes. ovs-vsctl just modifies the database, which already has an entry for > the bridge. OVS tries to configure the system to look like the database, but > it doesn't succeed because it doesn't have the right permissions. > > > It appears I may be running into permissions issue. The owner + group > > permissions are identical, owned by root. The user in OpenShift belongs to > > the root group. Does OVS need to run as root? Any help with this is greatly > > appreciated. > > I can't help with this part, but maybe someone else can. _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
