[ovs-discuss] GRE over IPv6 configuration
Gregory Rose
gvrose8192 at gmail.com
Wed Jun 12 21:47:56 UTC 2019
On 6/12/2019 2:20 AM, Eli Britstein wrote:
>
>
> On 6/11/2019 8:04 PM, Gregory Rose wrote:
>>
>>
>> On 6/6/2019 2:25 PM, Eli Britstein wrote:
>>> Thanks, I really appreciate it. However, though I see you find it to
>>> work on Ubuntu 16.04 with kernel 4.4 (I will try it myself too), I think
>>> we should think how to fix the upstream tunnels (in Linux kernel),
>>> without the need to replace some integrated modules with ones from OVS
>>> tree. This is what I'm not clear about - which ones and what/how to do
>>> to fix it.
>>>
>>
>> OVS has to replace some integrated modules in Linux because on older
>> versions of Linux they do not
>> have the required level of feature support. If you configure your
>> build correctly it will do the right
>> things in most cases. As I mentioned though sometimes some breakage
>> can get into the builds because
>> we do not test on every single distro/kernel version. Specifically,
>> we do not do much testing on Fedora
>> Core at all since not many of our user base make use of that distro.
>> Generally we do some build testing
>> against a variety of upstream kernels. You can see what is supported
>> in the .travis.yml file.
>>
>> I have downloaded, installed and built OVS for FC 24. The build is
>> broken... And more to the point I get this
>> warning:
>> /home/roseg/prj/ovs-experimental/_build/datapath/linux/ip_gre.c:1125:36:
>> warning: ‘ipgre_netdev_ops’ defined but not used
>> [-Wunused-const-variable=]
>> static const struct net_device_ops ipgre_netdev_ops = {
>>
>> Then there are some other depmod errors but they don't seem related.
>>
>> Did you have any luck with a different distro?
>
> Actually not.
>
> I started to code a support for upstream kernel. With this, the OVS
> port is created, as well as the netdev Linux device. I still don't
> have traffic, but I'm not sure it is not something else.
>
> Could you please have a look (and even better try?) still need to tidy up
>
> https://github.com/elibr-mellanox/linux/tree/ovs-ipv6-gre
>
>
Sure, I'll have a look.
- Greg
>>
>> - Greg
>>
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