netdev - [PATCH net-next v2 0/2] netdevsim: add NAPI support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240419220857.2065615-1-dw@davidwei.uk>
Date: Fri, 19 Apr 2024 15:08:55 -0700
From: David Wei <dw@...idwei.uk>
To: netdev@...r.kernel.org
Cc: Jakub Kicinski <kuba@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH net-next v2 0/2] netdevsim: add NAPI support

Add NAPI support to netdevsim and register its Rx queues with NAPI
instances. Then add a selftest using the new netdev Python selftest
infra to exercise the existing Netdev Netlink API, specifically the
queue-get API.

This expands test coverage and further fleshes out netdevsim as a test
device. It's still my goal to make it useful for testing things like
flow steering and ZC Rx.

-----
Changes since v1:
* Use sk_buff_head instead of a list for per-rq skb queue
* Drop napi_schedule() if skb queue is not empty in napi poll
* Remove netif_carrier_on() in open()
* Remove unused page pool ptr in struct netdevsim
* Up the netdev in NetDrvEnv automatically
* Pass Netdev Netlink as a param instead of using globals
* Remove unused Python imports in selftest

David Wei (2):
  netdevsim: add NAPI support
  net: selftest: add test for netdev netlink queue-get API

 drivers/net/netdevsim/netdev.c                | 210 +++++++++++++++++-
 drivers/net/netdevsim/netdevsim.h             |   8 +-
 tools/testing/selftests/drivers/net/Makefile  |   1 +
 .../selftests/drivers/net/lib/py/env.py       |   6 +-
 tools/testing/selftests/drivers/net/queues.py |  59 +++++
 tools/testing/selftests/net/lib/py/nsim.py    |   4 +-
 6 files changed, 272 insertions(+), 16 deletions(-)
 create mode 100755 tools/testing/selftests/drivers/net/queues.py

-- 
2.43.0