[ovs-dev] [PATCH 3/3] datapath: Do not fail to load on gre protocol conflict

Ben Pfaff blp at ovn.org
Tue Jun 5 17:39:13 UTC 2018


On Tue, Jun 05, 2018 at 09:34:10AM -0700, Gregory Rose wrote:
> On 6/5/2018 9:07 AM, William Tu wrote:
> >On Mon, Jun 4, 2018 at 1:14 PM, Greg Rose <gvrose8192 at gmail.com> wrote:
> >>The ERSPAN feature depends on the gre kernel module so on systems where
> >>the ERSPAN feature isn't supported the openvswitch kernel module would
> >>attempt to grab the ipv4 GRE protocol entry point and would fail to load
> >>if it could not.
> >>
> >>This patch modifies openvswitch to not fail to load when the gre kernel
> >>module is loaded and instead it will print a warning message to the
> >>kernel system log indicating that the ERSPAN feature may not be
> >>available.
> >>
> >>We need this patch because users are experiencing failures due to the
> >>conflicts and high priority bugs are resulting.
> >>
> >>Signed-off-by: Greg Rose <gvrose8192 at gmail.com>
> >>---
> >
> >I read through the patch and look good to me.
> >Acked-by: William Tu <u9012063 at gmail.com>
> 
> Thanks William.
> 
> After loading the ip_gre and gre kernel modules you can run a 'make
> check-kmod' test with those modules
> loaded and the results look good as well.

I applied this series to master.  I added a reference to the thread
where Jiri nacked the previous solution.


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