[ovs-dev] [PATCHv8 1/2] userspace: Enable TSO support for non-DPDK.

Flavio Leitner fbl at sysclose.org
Fri Mar 20 12:28:41 UTC 2020


On Thu, Mar 19, 2020 at 04:56:07PM -0700, William Tu wrote:
> This patch enables TSO support for non-DPDK use cases, and
> also add check-system-tso testsuite. Before TSO, we have to
> disable checksum offload, allowing the kernel to calculate the
> TCP/UDP packet checsum. With TSO, we can skip the checksum
> validation by enabling checksum offload, and with large packet
> size, we see better performance.
> 
> Consider container to container use cases:
>   iperf3 -c (ns0) -> veth peer -> OVS -> veth peer -> iperf3 -s (ns1)
> And I got around 6Gbps, similar to TSO with DPDK-enabled.
> 
> Signed-off-by: William Tu <u9012063 at gmail.com>
> ---

To the set
Acked-by: Flavio Leitner <fbl at sysclose.org>

Thanks William
fbl


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