This bug is awaiting verification that the linux-
bluefield/5.15.0-1010.12 kernel in -proposed solves the problem. Please
test the kernel and update this bug with the results. If the problem is
solved, change the tag 'verification-needed-jammy' to 'verification-
done-jammy'. If the problem still exists, change the tag 'verification-
needed-jammy' to 'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-jammy-linux-bluefield verification-needed-jammy

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Packages, which is subscribed to linux-bluefield in Ubuntu.
https://bugs.launchpad.net/bugs/1995004

Title:
  Increase stability with connection tracking offload

Status in linux-bluefield package in Ubuntu:
  Invalid
Status in linux-bluefield source package in Focal:
  Fix Committed
Status in linux-bluefield source package in Jammy:
  Fix Committed

Bug description:
  * Explain the bug(s)

  Currently qdisc ingress handling (sch_handle_ingress()) doesn't
  set a return value and it is left to the old return value of
  the caller (__netif_receive_skb_core()) which is RX drop, so if
  the packet is consumed, caller will stop and return this value
  as if the packet was dropped.

  Also, include set of patches to increase stability with connection
  tracking offload, including reduced cpu load and possible deadlock on
  cleanup.

  * What it could break.

  Packet on egress tc rule forwarding to a ingress tc rule will drop.
  High cpu load. Possible deadlock on cleanup.

  * How to test

  Run connection tracking hw offload scenario with millions of flows,
  check cpu load, test cleanup and readd scenarios.

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