linux-kernel - [PATCH net-next 0/2] netdevsim: implement RX statistics using NETDEV_PCPU_STAT

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Message-Id: <20250611-netdevsim_stat-v1-0-c11b657d96bf@debian.org>
Date: Wed, 11 Jun 2025 08:06:18 -0700
From: Breno Leitao <leitao@...ian.org>
To: Jakub Kicinski <kuba@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Breno Leitao <leitao@...ian.org>, kernel-team@...a.com, 
 Breno Leitao <Leitao@...ian.org>
Subject: [PATCH net-next 0/2] netdevsim: implement RX statistics using
 NETDEV_PCPU_STAT_DSTATS

The netdevsim driver previously lacked RX statistics support, which
prevented its use with the GenerateTraffic() test framework, as this
framework verifies traffic flow by checking RX byte counts.

This patch migrates netdevsim from its custom statistics collection to
the NETDEV_PCPU_STAT_DSTATS framework, as suggested by Jakub. This
change not only standardizes the statistics handling but also adds the
necessary RX statistics support required by the test framework.

Signed-off-by: Breno Leitao <leitao@...ian.org>
---
Breno Leitao (2):
      netdevsim: migrate to dstats stats collection
      netdevsim: collect statistics at RX side

 drivers/net/netdevsim/netdev.c    | 37 ++++++++++---------------------------
 drivers/net/netdevsim/netdevsim.h |  5 -----
 2 files changed, 10 insertions(+), 32 deletions(-)
---
base-commit: 0097c4195b1d0ca57d15979626c769c74747b5a0
change-id: 20250610-netdevsim_stat-95995921e03e

Best regards,
-- 
Breno Leitao <leitao@...ian.org>