Hi Ilya, I removed the RFC tag on this partial-offload patchset and it is rebased to the latest master branch. We are targeting this for 2.14. So just a gentle reminder on this offload patchset.
Thanks, -Harsha On Thu, Jul 9, 2020 at 12:17 PM Sriharsha Basavapatna <sriharsha.basavapa...@broadcom.com> wrote: > > Hi, > > This patchset extends the "Partial HW acceleration" mode to offload a > part of the action processing to HW, instead of offloading just lookup > (MARK/RSS), for "vhost-user" ports. This is referred to as "Partial Action > Offload". This mode does not require SRIOV/switchdev configuration. In this > mode, forwarding (output) action is still performed by OVS-DPDK SW datapath. > > Thanks, > -Harsha > > ****** > > v4-->v5: > > - Rebased to the current ovs-master (includes vxlan-encap full offload) > - Added 2 patches to support partial offload of vlan push/pop actions > > v3-->v4: > > - Removed mega-ufid mapping code from dpif-netdev (patch #5) and updated the > existing mega-ufid mapping code in netdev-offload-dpdk to support partial > action offload. > > v2-->v3: > > - Added more commit log comments in the refactoring patch (#1). > - Removed wrapper function for should_partial_offload_egress(). > - Removed partial offload check for output action in parse_flow_actions(). > - Changed patch sequence (skip-encap and get-stats before offload patch). > - Removed locking code (details in email), added inline comments. > - Moved mega-ufid mapping code from skip-encap (#3) to the offload patch (#5). > > v1-->v2: > > Fixed review comments from Eli: > - Revamped action list parsing to reject multiple clone/output actions > - Updated comments to reflect support for single clone/output action > - Removed place-holder function for ingress partial action offload > - Created a separate patch (#2) to query dpdk-vhost netdevs > - Set transfer attribute to 0 for partial action offload > - Updated data type of 'dp_flow' in 'dp_netdev_execute_aux' > - Added a mutex to synchronize between offload and datapath threads > - Avoid fall back to mark/rss when egress partial offload fails > - Drop count action for partial action offload > > Other changes: > - Avoid duplicate offload requests for the same mega-ufid (from PMD threads) > - Added a coverage counter to track pkts with tnl-push partial offloaded > - Fixed dp_netdev_pmd_remove_flow() to delete partial offloaded flow > > ****** > > Sriharsha Basavapatna (7): > dpif-netdev: Refactor dp_netdev_flow_offload_put() > netdev-dpdk: provide a function to identify dpdk-vhost netdevs > dpif-netdev: Skip encap action during datapath execution > dpif-netdev: Support flow_get() with partial-action-offload > dpif-netdev: Support partial-action-offload of VXLAN encap flow > dpif-netdev: Support partial offload of PUSH_VLAN action > dpif-netdev: Support partial offload of POP_VLAN action > > lib/dpif-netdev.c | 463 ++++++++++++++++++++++++++++++++++---- > lib/netdev-dpdk.c | 5 + > lib/netdev-dpdk.h | 1 + > lib/netdev-offload-dpdk.c | 96 ++++++-- > lib/netdev-offload.h | 3 + > lib/odp-execute.c | 19 +- > 6 files changed, 502 insertions(+), 85 deletions(-) > > -- > 2.25.0.rc2 > _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
