linux-kernel - [PATCH net-next v3 0/3] selftests: Add selftest for link layer and performance testing

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Message-ID: <20241016215014.401476-1-mohan.prasad@microchip.com>
Date: Thu, 17 Oct 2024 03:20:04 +0530
From: Mohan Prasad J <mohan.prasad@...rochip.com>
To: <netdev@...r.kernel.org>, <davem@...emloft.net>, <kuba@...nel.org>,
	<andrew@...n.ch>
CC: <edumazet@...gle.com>, <pabeni@...hat.com>, <shuah@...nel.org>,
	<mohan.prasad@...rochip.com>, <linux-kernel@...r.kernel.org>,
	<linux-kselftest@...r.kernel.org>, <horms@...nel.org>,
	<brett.creeley@....com>, <rosenp@...il.com>, <UNGLinuxDriver@...rochip.com>,
	<willemb@...gle.com>, <petrm@...dia.com>
Subject: [PATCH net-next v3 0/3] selftests: Add selftest for link layer and performance testing

The series of patches are for doing basic tests
of NIC driver. Test comprises checks for auto-negotiation,
speed, duplex state and throughput between local NIC and
partner. Tools such as ethtool, iperf3 are used.

Signed-off-by: Mohan Prasad J <mohan.prasad@...rochip.com>
---
Changes in v3:
- LinkConfig class is included in the hw library. This contains
  generic APIs for doing link layer operations.
- Auto-negotiation checks involve changing the auto-neg state
  both in local and partner NIC.
- Link layer test and performance test are separated to 
  different selftest files.
- Resetting of NIC driver done after test completion.

Changes in v2:
- Changed the hardcoded implementation of speed, duplex states,
  throughput to generic values, in order to support all type
  of NIC drivers.
- Test executes based on the supported link modes between local
  NIC driver and partner.
- Instead of lan743x directory, selftest file is now relocated 
  to /selftests/drivers/net/hw.
---
Mohan Prasad J (3):
  selftests: nic_link_layer: Add link layer selftest for NIC driver
  selftests: nic_link_layer: Add selftest case for speed and duplex
    states
  selftests: nic_performance: Add selftest for performance of NIC driver

 .../testing/selftests/drivers/net/hw/Makefile |   2 +
 .../drivers/net/hw/lib/py/__init__.py         |   1 +
 .../drivers/net/hw/lib/py/linkconfig.py       | 220 ++++++++++++++++++
 .../drivers/net/hw/nic_link_layer.py          | 105 +++++++++
 .../drivers/net/hw/nic_performance.py         | 121 ++++++++++
 5 files changed, 449 insertions(+)
 create mode 100644 tools/testing/selftests/drivers/net/hw/lib/py/linkconfig.py
 create mode 100644 tools/testing/selftests/drivers/net/hw/nic_link_layer.py
 create mode 100644 tools/testing/selftests/drivers/net/hw/nic_performance.py

-- 
2.43.0