linux-kernel - Re: [PATCH net-next v8 24/24] testing/selftest: add test tool and scripts for ovpn module

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Message-ID: <1bd5d44c-4cbe-4514-99f3-31760e31a7f2@linuxfoundation.org>
Date: Wed, 2 Oct 2024 16:35:54 -0600
From: Shuah Khan <skhan@...uxfoundation.org>
To: Antonio Quartulli <antonio@...nvpn.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Donald Hunter <donald.hunter@...il.com>,
 Shuah Khan <shuah@...nel.org>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-kselftest@...r.kernel.org, sd@...asysnail.net, ryazanov.s.a@...il.com,
 Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH net-next v8 24/24] testing/selftest: add test tool and
 scripts for ovpn module

On 10/2/24 03:02, Antonio Quartulli wrote:
> The ovpn-cli tool can be compiled and used as selftest for the ovpn
> kernel module.
> 

Does this test load ovpn module before running tests? If so does
it unload the modules after tests are complete?

> It implementes the netlink API and can thus be integrated in any

Spelling - implements

> script for more automated testing.
> 
> Along with the tool, 2 scripts are added that perform basic
> functionality tests by means of network namespaces.
> 
> The scripts can be performed in sequence by running run.sh
> 
> Cc: shuah@...nel.org
> Cc: linux-kselftest@...r.kernel.org
> Signed-off-by: Antonio Quartulli <antonio@...nvpn.net>
> ---
>   MAINTAINERS                                       |    1 +
>   tools/testing/selftests/Makefile                  |    1 +
>   tools/testing/selftests/net/ovpn/.gitignore       |    2 +
>   tools/testing/selftests/net/ovpn/Makefile         |   18 +
>   tools/testing/selftests/net/ovpn/config           |    8 +
>   tools/testing/selftests/net/ovpn/data-test-tcp.sh |    9 +
>   tools/testing/selftests/net/ovpn/data-test.sh     |  153 ++
>   tools/testing/selftests/net/ovpn/data64.key       |    5 +
>   tools/testing/selftests/net/ovpn/float-test.sh    |  118 ++
>   tools/testing/selftests/net/ovpn/ovpn-cli.c       | 1822 +++++++++++++++++++++
>   tools/testing/selftests/net/ovpn/tcp_peers.txt    |    5 +
>   tools/testing/selftests/net/ovpn/udp_peers.txt    |    5 +
>   12 files changed, 2147 insertions(+)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index f753060d4e2467a786778ddd4f835861a603ce02..ffd997cc6a1f1fbc5bc954b585bc15ef7bf2486a 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -17457,6 +17457,7 @@ T:	git https://github.com/OpenVPN/linux-kernel-ovpn.git
>   F:	drivers/net/ovpn/
>   F:	include/uapi/linux/ovpn.h
>   F:	Documentation/netlink/spec/ovpn.yaml
> +F:	tools/testing/selftests/net/ovpn/
>   
>   P54 WIRELESS DRIVER
>   M:	Christian Lamparter <chunkeey@...glemail.com>
> diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
> index b38199965f99014f3e2636fe8d705972f2c0d148..3ae2dd6492ca70d5e317c6e5b4e2560b060e3214 100644
> --- a/tools/testing/selftests/Makefile
> +++ b/tools/testing/selftests/Makefile
> @@ -68,6 +68,7 @@ TARGETS += net/hsr
>   TARGETS += net/mptcp
>   TARGETS += net/netfilter
>   TARGETS += net/openvswitch
> +TARGETS += net/ovpn
>   TARGETS += net/packetdrill
>   TARGETS += net/rds
>   TARGETS += net/tcp_ao
> diff --git a/tools/testing/selftests/net/ovpn/.gitignore b/tools/testing/selftests/net/ovpn/.gitignore
> new file mode 100644
> index 0000000000000000000000000000000000000000..ee44c081ca7c089933659689303c303a9fa9713b
> --- /dev/null
> +++ b/tools/testing/selftests/net/ovpn/.gitignore
> @@ -0,0 +1,2 @@
> +# SPDX-License-Identifier: GPL-2.0+
> +ovpn-cli
> diff --git a/tools/testing/selftests/net/ovpn/Makefile b/tools/testing/selftests/net/ovpn/Makefile
> new file mode 100644
> index 0000000000000000000000000000000000000000..65e23eb0ba86d31aa365b08a8c3468dc56a0d1a4
> --- /dev/null
> +++ b/tools/testing/selftests/net/ovpn/Makefile
> @@ -0,0 +1,18 @@
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (C) 2020-2024 OpenVPN, Inc.
> +#
> +CFLAGS = -Wall -I../../../../../usr/include
> +CFLAGS += $(shell pkg-config --cflags libnl-3.0 libnl-genl-3.0)
> +
> +LDFLAGS = -lmbedtls -lmbedcrypto
> +LDFLAGS += $(shell pkg-config --libs libnl-3.0 libnl-genl-3.0)
> +
> +ovpn-cli: ovpn-cli.c
> +	$(CC) -o ovpn-cli ovpn-cli.c $(CFLAGS) $(LDFLAGS)
> +
> +TEST_PROGS = data-test.sh \
> +	data-test-tcp.sh \
> +	float-test.sh
> +TEST_GEN_FILES = ovpn-cli

Can you make sure "make kselftest-install" installs all
of the scripts and executables necessary to run this test?
  
thanks,
-- Shuah