[ovs-discuss] ovn: Issue in ACL stage when the dhcp reply packet is resumed

[Numan Siddique]

Hi,

I am seeing an issue while testing the ovn native dhcp implementation.

When the dhcp reply packet from ovn-controller is resumed by ovs-vswitchd,
the packet is getting dropped in the egress pipeline - ACL stage.

I see the below messages in the vswitchd.log

------------------
2016-04-13T14:14:03.813Z|00002|ofproto_dpif_upcall(handler1)|INFO|received
packet on unassociated datapath port 0
2016-04-13T14:14:03.860Z|00001|ofproto_dpif_upcall(revalidator2)|WARN|Failed
to acquire udpif_key corresponding to unexpected flow (Invalid argument):
ufid:a33e557f-369f-404e-aefb-2e3da678b09a
------------------------


In the function upcall_receive(), I could see that xlate_lookup() is
returning error.

Also I could see that in the function odp_flow_key_to_flow__()
L5191,  nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]) is returning 0.


Please let me know if you need further information.

Thanks
Numan
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