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

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Message-ID: <fe21cf06-538b-4a3c-8d07-5b18ba56b1a9@openvpn.net>
Date: Fri, 4 Oct 2024 11:50:26 +0200
From: Antonio Quartulli <antonio@...nvpn.net>
To: Shuah Khan <skhan@...uxfoundation.org>
Cc: netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
 sd@...asysnail.net, ryazanov.s.a@...il.com,
 Eric Dumazet <edumazet@...gle.com>, Donald Hunter <donald.hunter@...il.com>,
 Jakub Kicinski <kuba@...nel.org>, Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH net-next v8 24/24] testing/selftest: add test tool and
 scripts for ovpn module

Hi,

On 03/10/2024 00:35, Shuah Khan wrote:
> 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?

The module is self loaded upon first netlink API call.

Therefore I presume I should take care of unloading too.

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

ACK

> 
>> 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?

ok, will do!
Thanks for your feedback!


Regards,

> 
> thanks,
> -- Shuah

-- 
Antonio Quartulli
OpenVPN Inc.