netdev - [PATCH net-next 0/3] netdevsim: Add support for ethtool stats and add

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Message-ID: <20250805213356.3348348-1-dechen@redhat.com>
Date: Tue,  5 Aug 2025 17:33:53 -0400
From: Dennis Chen <dechen@...hat.com>
To: netdev@...r.kernel.org
Cc: dechen@...hat.com,
	dchen27@...u.edu,
	kuba@...nel.org,
	davem@...emloft.net,
	edumazet@...gle.com,
	pabeni@...hat.com,
	andrew+netdev@...n.ch,
	petrm@...dia.com
Subject: [PATCH net-next 0/3] netdevsim: Add support for ethtool stats and add

This series adds support for querying standard interface stats and
driver-specific stats with ethtool -S. This allows hardware-independent
testing of ethtool stats reporting. Driver-specific stats are incremented
every 100ms once enabled through a debugfs toggle.

Also adds a selftest for ethtool -S for netdevsim.

The implementation of mock stats is heavily based on the mock L3 stats 
support added by commit 1a6d7ae7d63c45("netdevsim: Introduce support for
L3 offload xstats").

Note: Further replies will come from my school email address,
dchen27@...u.edu, as I will soon lose access to my Red Hat email.

Dennis Chen (2):
  netdevsim: Add mock stats for ethtool
  selftests: netdevsim: Add test for ethtool stats

Kamal Heib (1):
  netdevsim: Support ethtool stats

 drivers/net/netdevsim/ethtool.c               | 183 ++++++++++++++++++
 drivers/net/netdevsim/netdev.c                |   1 +
 drivers/net/netdevsim/netdevsim.h             |  11 ++
 .../selftests/drivers/net/netdevsim/Makefile  |   1 +
 .../drivers/net/netdevsim/ethtool-common.sh   |  13 ++
 .../drivers/net/netdevsim/ethtool-stats.sh    |  36 ++++
 6 files changed, 245 insertions(+)
 create mode 100755 tools/testing/selftests/drivers/net/netdevsim/ethtool-stats.sh

-- 
2.50.1