[SRU][J:linux-bluefield][PATCH v1 0/5] Support hardware miss to tc action

[William Tu]

We’ve found two dependencies of this series.
I’m planning to send v2 with it, thanks!
William

From: William Tu <witu at nvidia.com>
Date: Thursday, May 11, 2023 at 10:39 AM
To: kernel-team at lists.ubuntu.com <kernel-team at lists.ubuntu.com>
Cc: Bodong Wang <bodong at nvidia.com>, Vladimir Sokolovsky <vlad at nvidia.com>, dann.frazier at canonical.com <dann.frazier at canonical.com>, Paul Blakey <paulb at nvidia.com>, William Tu <witu at nvidia.com>, Tony Duan <yifeid at nvidia.com>
Subject: [SRU][J:linux-bluefield][PATCH v1 0/5] Support hardware miss to tc action
Currently tc miss interface only supports resuming from a specific tc chain.
If a packet modification is done before a missable action such as CT and
there is a miss in CT after it, this may cause a miss match when resuming
re-executing the same chain in software, and wrong packet count.
 This use case for example is a stateless (static) nat.

* brief explanation of fixes
Add support for missing to a specific action instance, and support
of per action hardware stats to update what was actually done in hardware.

BugLink: https://bugs.launchpad.net/bugs/2012571

Note:
We previously sent this patch to Focal but revert the series due
to some issue. For Jammy, there is no such issue so we'd like to
merge this series to Jammy, while in the meantime working on solving
the Focal issue, thanks.

And because this has been review for Focal, and no code change, I propagate
the acks/review tags.

Paul Blakey (5):
  UBUNTU: SAUCE: net/sched: Provide act to offload action
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: flower: Support hardware miss to tc action
  netfilter: ctnetlink: Support offloaded conntrack entry deletion

 include/linux/skbuff.h               |   6 +-
 include/net/flow_offload.h           |   2 +
 include/net/pkt_cls.h                |  30 ++--
 include/net/sch_generic.h            |   2 +
 net/netfilter/nf_conntrack_netlink.c |   8 -
 net/openvswitch/flow.c               |   3 +-
 net/sched/cls_api.c                  | 216 +++++++++++++++++++++++++--
 net/sched/cls_flower.c               |  73 +++++----
 8 files changed, 283 insertions(+), 57 deletions(-)

--
2.34.1
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