Thanks. I have read the following file. https://github.com/openvswitch/ovs/blob/master/include/openflow/nicira-ext.h
But it's too simple to understand. For example, nicira extension use properties in "nxm packet_in_2" packet in format. But there is no such openflow message format in detail. I have to tcpdump the openflow packet to understand it. May be there is a official document about this ? Numan Siddique <[email protected]> 于2019年8月20日周二 下午3:37写道： > > > On Tue, Aug 20, 2019 at 7:35 AM kai xi fan <[email protected]> wrote: > >> I am writing a controller to control ovs through openflow protocol. >> I found that when I dump flows from ovs using ovs-ofctl. It shows me so >> many fields prefixed with "NXM". >> And we plan to use "nxm packet_in_2" format. It also needs nicira >> extensions. >> So if the controller wants to communicate with ovs using openflow 1.3, I >> have to deal with nicira extensions. >> But I could not found any document about its format and the corresponding >> openflow message format. >> Could any one help me ? >> > > I think you can find useful information here - > https://github.com/openvswitch/ovs/blob/master/include/openflow/nicira-ext.h > > Thanks > Numan > > >> thanks. >> _______________________________________________ >> discuss mailing list >> [email protected] >> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss >> >
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