On Mon, Aug 03, 2015 at 10:51:02PM -0700, Pravin Shelar wrote:
> On Mon, Aug 3, 2015 at 9:23 PM, Alexei Starovoitov
> <alexei.starovoi...@gmail.com> wrote:
> > On Mon, Aug 03, 2015 at 05:27:26PM -0700, Pravin B Shelar wrote:
> >> With addition of flow based tunneling, there is no need to
> >> have special GRE vport. Removes all of the OVS specific
> >> GRE code and make OVS use a ip_gre net_device.
> >> Minimal GRE vport is kept to handle compatibility with
> >> current userspace application.
> >>
> >> Signed-off-by: Pravin B Shelar <pshe...@nicira.com>
> > ...
> >> +#define GRE_TAP_FB_NAME "gretap0"
> > ...
> >> + /* fallback device is used for flow based tunneling. */
> >> + if (!strcmp(dev->name, GRE_TAP_FB_NAME)) {
> >> + struct ip_tunnel *t;
> >> +
> >> + t = netdev_priv(dev);
> >> + t->flow_based_tunnel = true;
> >> + eth_hw_addr_random(dev);
> >> + netif_keep_dst(dev);
> >> + }
> >> +
> >
> > feature detection based on netdev name?
> > meaning that there will be only one such device for the whole
> > host? and namespaces cannot have their own gre tunnels?
> > (since host 'gretap0' cannot be seen in netns)
> >
> gretap0 exist in every namespace. This device is created in GRE namespce init.
then all of them get to be in flow_based mode without being able to
change it?
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
