netdev - [PATCH net-next 0/5] tools: ynl: turn the page-pool sample into a real tool

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Message-ID: <20251104232348.1954349-1-kuba@kernel.org>
Date: Tue,  4 Nov 2025 15:23:43 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net,
	donald.hunter@...il.com
Cc: netdev@...r.kernel.org,
	edumazet@...gle.com,
	pabeni@...hat.com,
	andrew+netdev@...n.ch,
	horms@...nel.org,
	sdf@...ichev.me,
	joe@...a.to,
	jstancek@...hat.com,
	Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next 0/5] tools: ynl: turn the page-pool sample into a real tool

The page-pool YNL sample is quite useful. It's helps calculate
recycling rate and memory consumption. Since we still haven't
figured out a way to integrate with iproute2 (not for the lack
of thinking how to solve it) - create a ynltool command in ynl.

Add page-pool and qstats support.

Most commands can use the Python YNL CLI directly but low level
stats often need aggregation or some math on top to be useful.
Specifically in this patch set:
 - page pool stats are aggregated and recycling rate computed
 - per-queue stats are used to compute traffic balance across queues

Jakub Kicinski (5):
  netlink: specs: netdev add missing stats to qstat-get
  tools: ynltool: create skeleton for the C command
  tools: ynltool: add page-pool stats
  tools: ynltool: add qstats support
  tools: ynltool: add traffic distribution balance

 Documentation/netlink/specs/netdev.yaml |  23 +
 tools/net/ynl/Makefile                  |   3 +-
 tools/net/ynl/ynltool/Makefile          |  49 ++
 tools/net/ynl/ynltool/json_writer.h     |  75 +++
 tools/net/ynl/ynltool/main.h            |  66 +++
 tools/net/ynl/samples/page-pool.c       | 149 ------
 tools/net/ynl/ynltool/json_writer.c     | 288 +++++++++++
 tools/net/ynl/ynltool/main.c            | 242 +++++++++
 tools/net/ynl/ynltool/page-pool.c       | 461 ++++++++++++++++++
 tools/net/ynl/ynltool/qstats.c          | 621 ++++++++++++++++++++++++
 tools/net/ynl/ynltool/.gitignore        |   1 +
 11 files changed, 1828 insertions(+), 150 deletions(-)
 create mode 100644 tools/net/ynl/ynltool/Makefile
 create mode 100644 tools/net/ynl/ynltool/json_writer.h
 create mode 100644 tools/net/ynl/ynltool/main.h
 delete mode 100644 tools/net/ynl/samples/page-pool.c
 create mode 100644 tools/net/ynl/ynltool/json_writer.c
 create mode 100644 tools/net/ynl/ynltool/main.c
 create mode 100644 tools/net/ynl/ynltool/page-pool.c
 create mode 100644 tools/net/ynl/ynltool/qstats.c
 create mode 100644 tools/net/ynl/ynltool/.gitignore

-- 
2.51.1