[ovs-dev] [PATCHv5] tunnel: Add layer 2 IPv6 GRE encapsulation support.

Eli Britstein elibr at mellanox.com
Wed Jul 3 16:04:06 UTC 2019


On 7/3/2019 6:59 PM, William Tu wrote:
> On Tue, Jul 2, 2019 at 4:43 PM Gregory Rose <gvrose8192 at gmail.com> wrote:
>>
>> On 7/1/2019 12:45 PM, William Tu wrote:
>>> The patch adds ip6gre support. Tunnel type 'ip6gre' with packet_type=
>>> legacy_l2 is a layer 2 GRE tunnel over IPv6, carrying inner ethernet packets
>>> and encap with GRE header with outer IPv6 header.  Encapsulation of layer 3
>>> packet over IPv6 GRE, ip6gre, is not supported yet.  I tested it by running:
>>>     # make check-kernel TESTSUITEFLAGS='-k ip6gre'
>>> under kernel 5.2 and for userspace:
>>>     # make check TESTSUITEFLAGS='-k ip6gre'
>>>
>>> Signed-off-by: William Tu <u9012063 at gmail.com>
>>> ---
>>> v1-v2
>>>    - rebase to master
>>> v2-v3
>>>     - update documentation suggested by Eli
>>> v3-v4
>>>     - squash Eli's documentation
>>> v4-v5
>>>     - remove using 'ip6gretap', use only 'ip6gre' with
>>>       options:packet_type=legacy_l2
>>> ---
>> LGTM - ran into two problems testing, user error or on one and an issue
>> on a single system that is not reproducible
>> anywhere else.  Ran check-kmod for systems running the out of tree
>> kernel modules and check-kernel on a system
>> with the upstream kernel - all checks out well.  Passes a travis check -
>>
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftravis-ci.org%2Fgvrose8192%2Fovs-experimental%2Fbuilds%2F552977116&amp;data=02%7C01%7Celibr%40mellanox.com%7Cbf32e197198b4b90f2ee08d6ffcf8d0c%7Ca652971c7d2e4d9ba6a4d149256f461b%7C0%7C0%7C636977664222635681&amp;sdata=ql1lx2EU18Fk%2BWIdTEzdlthtZb%2FazsOOT05TZc3t5f0%3D&amp;reserved=0
>>
>> Thanks William!
>>
>> Tested-by: Greg Rose <gvrose8192 at gmail.com>
>> Reviewed-by: Greg Rose <gvrose8192 at gmail.com>
Thanks William.
Reviewed-by: Eli Britstein <elibr at mellanox.com>
>>
> Thanks for testing on different distributions.
> --William
> <snip>


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