Hi,
The code freeze is approaching fast and there are
holidays and PTOs in between. We kindly ask you to
review and/or test if possible as soon as you can
to unblock the second part of it.
Thanks,
fbl
On Thu, Nov 24, 2022 at 12:30:45AM -0500, Mike Pattrick wrote:
> This is a subset of the larger TSO patchset with various checksum
> improvements. This set includes additional documentation, new appctl
> command "dpif-netdev/offload-show" to display interface offload
> support, and improvements to tracking when an updated checksum is
> required.
>
> In a simple iperf test with traffic flowing from a VM, through a
> virtio interface and out of DPDK PF, this series resulted in an 18%
> improvement in TCP throughput compared to master branch (361 vs 429
> Mbps). When TSO is enabled, this further improved by 10x (429 Mbps vs
> 4.32 Gbps). While TSO isn't introduced in this series, support for
> encapsulation with offload is extended.
>
> Flavio Leitner (4):
> Documentation: Document netdev offload.
> dpif-netdev: Show netdev offloading flags.
> userspace: Enable IP checksum offloading by default.
> userspace: Enable L4 csum offloading by default.
>
> Documentation/automake.mk | 1 +
> Documentation/topics/index.rst | 1 +
> Documentation/topics/netdev-offloads.rst | 95 +++++++++
> lib/conntrack.c | 30 +--
> lib/dp-packet.c | 39 ++++
> lib/dp-packet.h | 138 ++++++++++++-
> lib/dpif-netdev-unixctl.man | 6 +
> lib/dpif-netdev.c | 62 ++++++
> lib/flow.c | 38 +++-
> lib/ipf.c | 11 +-
> lib/netdev-dpdk.c | 229 +++++++++++++-------
> lib/netdev-dummy.c | 23 +++
> lib/netdev-linux.c | 252 +++++++++++++++--------
> lib/netdev-native-tnl.c | 53 ++---
> lib/netdev-provider.h | 3 +
> lib/netdev.c | 87 +++++---
> lib/odp-execute.c | 21 +-
> lib/packets.c | 209 +++++++++++++++----
> lib/packets.h | 3 +
> ofproto/ofproto-dpif-upcall.c | 2 +-
> tests/automake.mk | 1 +
> tests/dpif-netdev.at | 21 ++
> tests/system-userspace-offload.at | 79 +++++++
> tests/system-userspace-testsuite.at | 1 +
> 24 files changed, 1099 insertions(+), 306 deletions(-)
> create mode 100644 Documentation/topics/netdev-offloads.rst
> create mode 100644 tests/system-userspace-offload.at
>
> --
> 2.31.1
>
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--
fbl
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