On Fri, Dec 13, 2019 at 01:31:04PM -0500, Nicolas Bouliane via dev wrote: > Hi, > > I have a very simple ebpf program that just print something when a packet > goes through. When I attach the ebpf program to the TAP interface (tun > driver) of a virtual machine, I see the expected output as expected. > > I'm monitoring with: cat /sys/kernel/debug/tracing/trace_pipe > > When I attach my ebpf program to a vport openvswitch interface > # ethtool -i meta0 > driver: openvswitch > [...] > > The program gets attached: > # ip link show meta0 > 23: meta0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 xdpgeneric qdisc > noqueue state UNKNOWN mode DEFAULT group default qlen 1000 > link/ether c6:55:c3:8a:4d:ae brd ff:ff:ff:ff:ff:ff > prog/xdp id 52 tag fe78bc3a2d633899 > > I also see that it use xdpgeneric (as expected) since the driver doesn't > have native XDP support. > What's the type of this port? Can you share your "ovs-vsctl show" If meta0 is "type: internal", then it doesn't work.
I think other types, such as system or tunnel port should work (the xdpgeneric should see packets) Thanks William > But it seems that that ebpf program is never called, I see no printed > output. > > Does anyone ever tried something similar ? > Please let me know if I'm missing something > > Kernel version: 4.14.91-1-generic > > cheers, > Nick Bouliane > _______________________________________________ > dev mailing list > d...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-dev _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
