[ovs-discuss] TCP and UDP mask support in OVS

[Aswin S]

HI Ben,

I have attached the pcap. ( Sl No 3052 and 3053 is one such message).

Thanks
Aswin

​​

On Mon, Jul 25, 2016 at 8:20 PM, Ben Pfaff <blp at ovn.org> wrote:

> Hmm, there's no change in this area since 2.4.  Can you give an example
> of an OpenFlow message that provokes the error?  A hexdump or pcap of
> the message would be ideal.
>
> On Mon, Jul 25, 2016 at 12:19:43PM +0530, Aswin S wrote:
> > Hi Ben
> >
> > The below extension were used.
> >
> > #define NXM_OF_TCP_SRC    NXM_HEADER  (0x0000,  9, 2)
> > #define NXM_OF_TCP_DST    NXM_HEADER  (0x0000, 10, 2)
> > #define NXM_OF_UDP_SRC    NXM_HEADER  (0x0000, 11, 2)
> > #define NXM_OF_UDP_DST    NXM_HEADER  (0x0000, 12, 2)
> >
> > It was working in OVS 2.4(not the latest). But now it seems to be
> throwing
> > an error BAD_LENGTH with latest 2.4 and 2.5
> >
> > Thanks
> > Aswin
> >
> > On Sun, Jul 24, 2016 at 11:30 PM, Ben Pfaff <blp at ovn.org> wrote:
> >
> > > On Sun, Jul 24, 2016 at 11:28:27AM +0530, Aswin S wrote:
> > > > In opendaylight we used Nicira Extention to support TCP and UDP
> mask. But
> > > > now I observe that in ovs it is a part of standard openflow
> > > implementation
> > > > and the nicira extension code we used is reporting error. Was there a
> > > > change in ovs? But openflow plugin spec is yet to support TCP/UDP
> mask.
> > >
> > > I don't know of a backward-incompatible change to OVS in this area.
> > > What Nicira extension were you using?  What version of OVS worked, and
> > > what version of OVS does not?
> > >
>
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