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

Gregory Rose gvrose8192 at gmail.com
Tue Jun 5 17:56:59 UTC 2018


On 6/5/2018 10:39 AM, Ben Pfaff wrote:
> 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.

Thank you!

- Greg


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