On 19 Sep 2025, at 12:14, Ratheesh Kannoth via discuss wrote:
Hi,
I did following configuration; but did not see .ndo_setup_tc() of my
driver getting called. Any clue/hint. I did below based on
https://www.youtube.com/watch?v=15jgDWvH1Uo .
Thanks,
Ratheesh
ethtool -K eth0 ntuple off
ethtool -K eth0 hw-tc-offload on
ethtool -K sdp1-0 ntuple off
ethtool -K sdp1-0 hw-tc-offload on
ovs-vsctl set Open_vSwitch . other_config:tc-policy=skip_sw
ovs-vsctl set Open_vSwitch . other_config:hw-offload=true
root@localhost:~/essential# ovs-vsctl show
90a6bd0c-f371-4471-8779-a33f91cff039
Bridge "br0"
Port "sdp1-0"
Interface "sdp1-0"
Port "br0"
Interface "br0"
type: internal
Port "eth0"
Interface "eth0"
ovs_version: "2.5.9"
I could see that ping is successful.
root@localhost:~/essential# ovs-ofctl dump-flows br0
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=16.908s, table=0, n_packets=14, n_bytes=1334,
idle_age=1, in_port=1 actions=output:2
cookie=0x0, duration=12.672s, table=0, n_packets=14, n_bytes=1334,
idle_age=1, in_port=2 actions=output:1
You could use the -m option to check if the flows are offloaded.
However, your ingress and egress port need to be on the same nic (you
might need to setup a vf).
If you leave the tc-policy to default, it should at least install the tc
flows, and then you can see if they are in hw or not.
//Eelco
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