[ovs-dev] reg: OpenVswitch Fields Implementation

[Ben Pfaff]

Why are you telling us this?

On Wed, Dec 21, 2016 at 10:38:08PM +0530, Satyavalli Rama wrote:
>  Hi Ben,
> 
> Currently we are implementing OXS as an independent infrastructure.  
> While sending OXS Flow Stat Request,  we are facing the below issue.
> We have dumped and verified the packet is in proper format only, but we are not receiving the Reply.
> 
> 2016-12-21T06:46:56Z|00016|vconn|DBG|unix:/usr/local/var/run/openvswitch/br0.mgmt: sent (Success): OFPST_OXS_FLOW request (OF1.5) (xid=0x2): 
> 2016-12-21T06:46:56Z|00017|poll_loop|DBG|wakeup due to 0-ms timeout
> 2016-12-21T06:47:55Z|00018|poll_loop|DBG|wakeup due to [POLLIN] on fd 4 (<->/usr/local/var/run/openvswitch/br0.mgmt) at lib/stream-fd.c:155
> 2016-12-21T06:47:55Z|00019|vconn|DBG|unix:/usr/local/var/run/openvswitch/br0.mgmt: received: OFPT_ECHO_REQUEST (OF1.5) (xid=0x0): 0 bytes of payload
> 2016-12-21T06:47:55Z|00020|ofctl|DBG|received reply with xid 00000000 != expected 02000000
> 2016-12-21T06:48:55Z|00021|poll_loop|DBG|wakeup due to [POLLIN][POLLHUP] on fd 4 (<->/usr/local/var/run/openvswitch/br0.mgmt) at lib/stream-fd.c:155
> ovs-ofctl: OpenFlow packet receive failed (End of file)
> 
> Thanks and Regards
> Satya Valli
>   
> 
>  -----Ben Pfaff <blp at ovn.org> wrote: -----
> 
>  =======================
>  To: Satyavalli Rama <satyavalli.rama at tcs.com>
>  From: Ben Pfaff <blp at ovn.org>
>  Date: 12/16/2016 10:23PM 
>  Cc: ovs-dev at openvswitch.org
>  Subject: Re: [ovs-dev] reg: OpenVswitch Fields Implementation
>  =======================
>    On Fri, Dec 16, 2016 at 03:33:11PM +0530, Satyavalli Rama wrote:
> > We are working on Openflow 15 EXT-334 i.e OpenFlow Extensible Flow Entry 
> > Statistics,  as per OpenvSwitch fields implementation in the meta-flow.h, 
> > the key-value pairs for "OXS fields" to be added/declared separately or do 
> > we need to follow the existing NXM/OXM  key-value pairs.
> > 
> > Please clarify us, and please refer us some guidelines that we need to 
> > follow for implementing this Openvswitch fields.
> 
> I don't think that OXS defines fields at all, so I'd expect their
> implementation to be independent of existing infrastructure.
>     
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