[ovs-discuss] Offload tunnel checksum to NIC

Pravin Shelar pshelar at nicira.com
Fri Aug 29 16:35:55 UTC 2014


On Thu, Aug 28, 2014 at 1:20 AM, vijay mohan <vijay1054 at gmail.com> wrote:
> Hi,
> I am using OVS-2.3 with cavium NIC for VxLAN and NVGRE tunnels creation. I
> am trying to get tunnel checksum (inner TCP/UDP checksum) offloaded to NIC
> by setting net_device.hw_enc_features. I could get the tunnel checksum
> offloaded if i create tunnels with "ip link add vxlanX type vxlan ..." but
> the tunnels created with OVS still have the checksum calculated by host CPU.
> Please let me know, is this the way to enable checksum offload features for
> the tunnels created with OVS.
>

Can you try master branch. branch-2.3 can not use tunnel hardware offloads.



More information about the discuss mailing list