On Thu, Aug 27, 2015 at 7:07 PM, Ramu Ramamurthy <[email protected]> wrote: > On 2015-08-27 18:26, Jesse Gross wrote: >> >> On Thu, Aug 27, 2015 at 5:46 PM, Ramu Ramamurthy >> <[email protected]> wrote: >>> >>> We found that enabling UDP checksums for vxlan triggers GRO on the >>> receiver, >>> and boosts the vxlan performance to 8+ Gbps. >>> Hence, we want to enable vxlan csum for OVS vxlan tunnels. This is >>> already >>> supported in OVS 2.4, and kernel versions 4+ - But we >>> want this fix to appear in 3.x upstream kernels, and the corresponding >>> userspace change in OVS 2.3. >> >> >> Sorry, this isn't going to happen. Neither the upstream kernel nor OVS >> backport features to already released versions. >> >> OVS 2.4 has been released with this feature and is packaged with a >> kernel module of backports. Please just use that - considering that >> you'd have to make changes all the way up the stack, I don't think >> it's any more disruptive. > > > We cannot change the base distribution - we are using RHEL 7 (3.x based). > > So, you are suggesting to use OVS 2.4 userspace components, and > build the openvswitch kernel-module > shipped with OVS 2.4 along with its dependencies (vxlan, etc) also shipped > with OVS 2.4 against the RHEL 7.1 (3.x kernel) - and not use any of the > upstream components for openvswitch, vxlan etc ?
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