[ovs-dev] [PATCH] match: Add support for matching IGMP fields.
Ben Pfaff
blp at ovn.org
Wed Dec 16 01:47:46 UTC 2015
On Mon, Dec 14, 2015 at 04:36:08PM -0800, Jarno Rajahalme wrote:
>
> > On Dec 14, 2015, at 3:12 AM, Ben Pfaff <blp at ovn.org> wrote:
> >
> > On Thu, Dec 10, 2015 at 01:42:41PM -0800, Jarno Rajahalme wrote:
> >> Complete the IGMP protocol support by making IGMP fields (type, code,
> >> and group) matchable via OpenFlow by the way of new Nicira extensions.
> >>
> >> The new fields are: 8-bit NXM_NX_IGMP_TYPE (111), 8-bit
> >> NXM_NX_IGMP_CODE (112), and 32-bit NXM_NX_IGMP_GROUP (113).
> >>
> >> VMware-BZ: #1558992
> >> Signed-off-by: Jarno Rajahalme <jarno at ovn.org>
> >
> > Is this something we're targeting to backport to OVS 2.5? If not, then
> > the meta-flow.h headers should say "since v2.6" instead of "since
> > v2.5".
> >
> > This needs to add an item to NEWS and documentation to ovs-ofctl(8).
> >
> > What's here looks good, and I trust you to do a good job on the above,
> > so:
> > Acked-by: Ben Pfaff <blp at ovn.org>
>
> While doing this I just realized that this may require further work,
> as the kernel module does not seem to parse the IGMP fields!
Userspace should be able to handle that. It might require a little work
in odp-util.c to mark the received packet as ODP_FIT_TOO_LITTLE.
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