On Fri, Feb 20, 2015 at 3:37 PM, Jesse Gross <je...@nicira.com> wrote:
> There are two important GSO tunnel features that were introduced
> after the 3.12 cutoff for our current out of tree GSO implementation:
>  * 3.16 introduced support for outer UDP checksums.
>  * 3.18 introduced support for verifying hardware support for protocols
>    other than VXLAN.
>
> In cases where these features are used, we should use OVS GSO to
> ensure correct behavior. However, we also want to continue to use
> kernel GSO or hardware TSO in existing situations. Therefore, this
> extends the range of kernels where OVS GSO is available to 3.18 and
> makes it easier to select which one to use.
>
> Signed-off-by: Jesse Gross <je...@nicira.com>
> Acked-by: Thomas Graf <tg...@noironetworks.com>
> Acked-by: Pravin B Shelar <pshe...@nicira.com>
> ---
> v2: Fix compilation on kernels 3.12 and 3.17.
> v3: Dramatically simplify kernel version checks by using backports
>     for almost everything on pre-3.18 kernels and just using GSO
>     where available.
> v4: Use backport iptunnel_xmit() instead of many version checks.
> ---

This patch looks good to me. But I did not tried all kernel since it
forth patch does not apply anymore. So if you have already tested it,
I am happy with series pushed to master.
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