[Bug 1922494] Missing required logs.

This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1922494

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
Status: New => Incomplete

** Tags added: focal

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https://bugs.launchpad.net/bugs/1922494

Title:
Ubuntu 20.04 - 'Support flow counters offset for bulk counters'

Status in linux package in Ubuntu:
Incomplete

Bug description:
[impact]
Add Support for flow counters offset for bulk counters on kernel side.
Currently Ubuntu 20.04 supports 'flow counters offset for bulk counters' on user space side only with these 3 rdma-core patches from v27.0
3956cf74 mlx5: Add support for bulk flow counters steering actions
65ed59c6 Update kernel headers
b32eee70 mlx5: Fix typos

[test case]
/* download and install dpdk from github (issue do not reproduce with inbox dpdk) */
$ git clone https://github.com/mellanox/dpdk.org
$ cd dpdk.org/

/* install dependencies if needed */
$ apt-get install -y python3-pyelftools python-pyelftools
$ apt install meson

$ meson build-meson
$ ninja -C build-meson/

/* run dpdk-testpmd with mellanox HCA (I used CX5) 0000:05:00.0,
0000:05:00.1 are pci id for the cx5 devices */

/<path to dpdk folder>/dpdk.org/build-meson/app/dpdk-testpmd -v -n 4
-w 0000:05:00.0,txq_inline=147,rx_vec_en=1 -w
0000:05:00.1,txq_inline=147,rx_vec_en=1 -- --mbcache=512 -i --nb-
cores=7 --txd=8192 --rxd=8192 --burst=64

EAL: Detected 12 lcore(s)
EAL: Detected 2 NUMA nodes
EAL: RTE Version: 'DPDK 21.05.0-rc0'
Option -w, --pci-whitelist is deprecated, use -a, --allow option instead
Option -w, --pci-whitelist is deprecated, use -a, --allow option instead
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: Probe PCI driver: mlx5_pci (15b3:101d) device: 0000:05:00.0 (socket 0)
mlx5_pci: txq_inline: deprecated parameter, converted to txq_inline_max
mlx5_pci: txq_inline: deprecated parameter, converted to txq_inline_max
mlx5_pci: Default miss action is not supported.
mlx5_pci: Unexpected error in counter offset support detection /* LINE INDICATING ERROR*/
EAL: Probe PCI driver: mlx5_pci (15b3:101d) device: 0000:05:00.1 (socket 0)
mlx5_pci: txq_inline: deprecated parameter, converted to txq_inline_max
mlx5_pci: txq_inline: deprecated parameter, converted to txq_inline_max
mlx5_pci: Default miss action is not supported.
mlx5_pci: Unexpected error in counter offset support detection /* LINE INDICATING ERROR*/
Interactive-mode selected
testpmd: create a new mbuf pool <mb_pool_0>: n=327680, size=2176, socket=0
testpmd: preferred mempool ops selected: ring_mp_mc
testpmd: create a new mbuf pool <mb_pool_1>: n=327680, size=2176, socket=1
testpmd: preferred mempool ops selected: ring_mp_mc
Configuring Port 0 (socket 0)
Port 0: 0C:42:A1:D1:D0:64
Configuring Port 1 (socket 0)
Port 1: 0C:42:A1:D1:D0:65
Checking link statuses...
Done
testpmd>

two lines indicates errors in counter offset supports detection.

[Fix]

the issue is fixed with the following upstream commit from v5.5-rc1 which cleanly applied above focal.
208d70f562e5 IB/mlx5: Support flow counters offset for bulk counters
Our QA-dpdk team tested the focal kernel with this patch and found no issues.

Thanks,
Amir

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