netdev - [PATCH net-next 0/3] netdevsim: link and forward skbs between

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Date: Thu,  7 Dec 2023 09:21:14 -0800
From: David Wei <dw@...idwei.uk>
To: Jakub Kicinski <kuba@...nel.org>,
	netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH net-next 0/3] netdevsim: link and forward skbs between

This patchset adds the ability to link two netdevsim ports together and
forward skbs between them, similar to veth. The goal is to use netdevsim
for testing features e.g. zero copy Rx using io_uring.

This feature was tested locally on QEMU, and a selftest is included.

David Wei (3):
  netdevsim: allow two netdevsim ports to be connected
  netdevsim: forward skbs from one connected port to another
  netdevsim: add selftest for forwarding skb between connected ports

 drivers/net/netdevsim/bus.c                   |  10 ++
 drivers/net/netdevsim/dev.c                   |  97 +++++++++++++++
 drivers/net/netdevsim/netdev.c                |  25 +++-
 drivers/net/netdevsim/netdevsim.h             |   3 +
 .../drivers/net/netdevsim/forward.sh          | 111 ++++++++++++++++++
 5 files changed, 241 insertions(+), 5 deletions(-)
 create mode 100755 tools/testing/selftests/drivers/net/netdevsim/forward.sh

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2.39.3