netdev - [PATCH net-next v4 00/12] selftests: ncdevmem: Add ncdevmem to ksft

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Message-ID: <20241016203422.1071021-1-sdf@fomichev.me>
Date: Wed, 16 Oct 2024 13:34:10 -0700
From: Stanislav Fomichev <sdf@...ichev.me>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	Mina Almasry <almasrymina@...gle.com>
Subject: [PATCH net-next v4 00/12] selftests: ncdevmem: Add ncdevmem to ksft

The goal of the series is to simplify and make it possible to use
ncdevmem in an automated way from the ksft python wrapper.

ncdevmem is slowly mutated into a state where it uses stdout
to print the payload and the python wrapper is added to
make sure the arrived payload matches the expected one.

v4:
- keep usage example with validation (Mina)
- fix compilation issue in one patch (s/start_queues/start_queue/)

v3:
- keep and refine the comment about ncdevmem invocation (Mina)
- add the comment about not enforcing exit status for ntuple reset (Mina)
- make configure_headersplit more robust (Mina)
- use num_queues/2 in selftest and let the users override it (Mina)
- remove memory_provider.memcpy_to_device (Mina)
- keep ksft as is (don't use -v validate flags): we are gonna
  need a --debug-disable flag to make it less chatty; otherwise
  it times out when sending too much data; so leaving it as
  a separate follow up

v2:
- don't remove validation (Mina)
- keep 5-tuple flow steering but use it only when -c is provided (Mina)
- remove separate flag for probing (Mina)
- move ncdevmem under drivers/net/hw, not drivers/net (Jakub)

Cc: Mina Almasry <almasrymina@...gle.com>

Stanislav Fomichev (12):
  selftests: ncdevmem: Redirect all non-payload output to stderr
  selftests: ncdevmem: Separate out dmabuf provider
  selftests: ncdevmem: Unify error handling
  selftests: ncdevmem: Make client_ip optional
  selftests: ncdevmem: Remove default arguments
  selftests: ncdevmem: Switch to AF_INET6
  selftests: ncdevmem: Properly reset flow steering
  selftests: ncdevmem: Use YNL to enable TCP header split
  selftests: ncdevmem: Remove hard-coded queue numbers
  selftests: ncdevmem: Run selftest when none of the -s or -c has been
    provided
  selftests: ncdevmem: Move ncdevmem under drivers/net/hw
  selftests: ncdevmem: Add automated test

 .../selftests/drivers/net/hw/.gitignore       |   1 +
 .../testing/selftests/drivers/net/hw/Makefile |   9 +
 .../selftests/drivers/net/hw/devmem.py        |  46 ++
 .../selftests/drivers/net/hw/ncdevmem.c       | 773 ++++++++++++++++++
 tools/testing/selftests/net/.gitignore        |   1 -
 tools/testing/selftests/net/Makefile          |   8 -
 tools/testing/selftests/net/ncdevmem.c        | 570 -------------
 7 files changed, 829 insertions(+), 579 deletions(-)
 create mode 100644 tools/testing/selftests/drivers/net/hw/.gitignore
 create mode 100755 tools/testing/selftests/drivers/net/hw/devmem.py
 create mode 100644 tools/testing/selftests/drivers/net/hw/ncdevmem.c
 delete mode 100644 tools/testing/selftests/net/ncdevmem.c

-- 
2.47.0