On 8/5/22 00:33, Ilya Maximets wrote:
> On 8/4/22 19:51, Ilya Maximets wrote:
>> On 7/13/22 22:47, Mike Pattrick wrote:
>>> On Tue, Jun 7, 2022 at 11:00 AM Salem Sol <sal...@nvidia.com> wrote:
>>>>
>>>> In case of modifying an IPv6 packet src/dst address the L4 checksum should 
>>>> be
>>>> recalculated only for the first frag. Currently it's done for all frags,
>>>> leading to incorrect reassembled packet checksum.
>>>> Fix it by adding a new flag to recalculate the checksum only for last frag.
>>>
>>> Should be "only for the first frag."
>>>
>>> Acked-by: Mike Pattrick <m...@redhat.com>.
>>
>> Thanks!  Applied and backported down to 2.13.
>>
>> Best regards, Ilya Maximets.
> 
> Hrm.  There is a problem with the test.  It works with upstream 5.19
> kernel, but it fails on some older distribution kernels.  Both kernel
> and userspace tests fail, because p0 namespace replies only to a first
> fragmented ICMP request.
> 
> Does it require any specific fix in the kernel to work correctly?

Apparently, it does.  I sent a fix here, please take a look:
  
https://patchwork.ozlabs.org/project/openvswitch/patch/20220805111708.722670-1-i.maxim...@ovn.org/

Best regards, Ilya Maximets.
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