Hi,
I think there is a problem with parsing out the OVS ATTRIBUTE nesting in
the NL message in the datapath and I am having trouble finding the
cause. I think the nl msg is built up wrong in the case of the vlan push
action.
I first saw the problem while testing my patch for 802.1ad. However, I
also see the same problem WITHOUT the patch on commits in the master
branch.
The message appears in the kern log for commit dcbe78 and subsequent
commits on the master branch. The message does NOT appear in the 2.1
release branch.
Apr 23 07:50:11 lubuntu-12 kernel: [ 1009.493608] openvswitch: netlink:
Key attribute has unexpected length (type=62, length=4, expected=0).
Message is from line 300 in datapath/flow_netlink.c
It is interesting that type 62 is the maximum key attribute value.
The problem can be also reproduced with the following command with
commit f487a:
ovs-ofctl -vdbg --protocols=OpenFlow11 add-flow br0
in_port=1,actions=push_vlan:0x8100,load:0x64-\>OXM_OF_VLAN_VID[],output:2
Any thoughts would be appreciated.
--Tom
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