[ovs-discuss] Is a new field in flow.h necessary for matching on a custom v6 extension header?

Alan Kayahan hsykay at gmail.com
Thu Feb 22 23:37:40 UTC 2018

I understand that there must be a construct in the struct flow, and
introducing a new be32 will save the day for me. However looking at this
from a broader perspective, say matching on the fields of any v6 extension
header made into the OF specification, neither adding individual fields nor
adding every v6 extension header into the struct flow looks elegant to me.
What do you think?

2018-02-21 17:10 GMT+01:00 Ben Pfaff <blp at ovn.org>:

> On Mon, Feb 19, 2018 at 06:15:30PM +0100, Alan Kayahan wrote:
> > I have a custom v6 extension header, in which I would like to perform an
> > LPM match on only one 32bit field.
> >
> > Since an extension header is technically not a new field, do I still need
> > to introduce anything in the struct flow?
> Without anything in struct flow, how do you propose to match on it?
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