linux-kernel - Re: [PROBLEM] selftests: net/forwarding/bridge_mdb.sh: 'Command "replace" is unknown, try "bridge mdb help"'

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Message-ID: <7bd3ef7b-a4dc-6d0f-6d58-66533de292cf@alu.unizg.hr>
Date:   Thu, 20 Jul 2023 07:03:07 +0200
From:   Mirsad Todorovac <mirsad.todorovac@....unizg.hr>
To:     Ido Schimmel <idosch@...sch.org>
Cc:     netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Ido Schimmel <idosch@...dia.com>,
        Petr Machata <petrm@...dia.com>, linux-kernel@...r.kernel.org
Subject: Re: [PROBLEM] selftests: net/forwarding/bridge_mdb.sh: 'Command
 "replace" is unknown, try "bridge mdb help"'

On 7/19/23 15:05, Ido Schimmel wrote:
> On Tue, Jul 18, 2023 at 09:02:31PM +0200, Mirsad Todorovac wrote:
>> Command "replace" is unknown, try "bridge mdb help".
> 
> You are running the test with an old iproute2 that doesn't support the
> replace command. The following patches [1][2] skip the tests in this
> case. However, you will get better test coverage with iproute2-next [3]
> compared to the version shipped with your distribution.

You are right and though I was using the latest iproute2 from the
Ubuntu 22.04 LTS and 22.10, the iproute2-next had unlocked the test suite.

> [1]
> diff --git a/tools/testing/selftests/net/forwarding/bridge_mdb.sh b/tools/testing/selftests/net/forwarding/bridge_mdb.sh
> index ae3f9462a2b6..a1bd4900acb6 100755
> --- a/tools/testing/selftests/net/forwarding/bridge_mdb.sh
> +++ b/tools/testing/selftests/net/forwarding/bridge_mdb.sh
> @@ -1206,6 +1206,12 @@ ctrl_test()
>          ctrl_mldv2_is_in_test
>   }
>   
> +bridge mdb help 2>&1 | grep -q "replace"
> +if [ $? -ne 0 ]; then
> +       echo "SKIP: iproute2 too old, missing bridge mdb replace support"
> +       exit $ksft_skip
> +fi
> +
>   trap cleanup EXIT
>   
>   setup_prepare
> 
> [2]
> diff --git a/tools/testing/selftests/net/forwarding/bridge_mdb_max.sh b/tools/testing/selftests/net/forwarding/bridge_mdb_max.sh
> index ae255b662ba3..a1c4aec4cbb1 100755
> --- a/tools/testing/selftests/net/forwarding/bridge_mdb_max.sh
> +++ b/tools/testing/selftests/net/forwarding/bridge_mdb_max.sh
> @@ -1328,6 +1328,12 @@ test_8021qvs()
>          switch_destroy
>   }
>   
> +bridge link help 2>&1 | grep -q "mcast_max_groups"
> +if [ $? -ne 0 ]; then
> +       echo "SKIP: iproute2 too old, missing bridge \"mcast_max_groups\" support"
> +       exit $ksft_skip
> +fi
> +
>   trap cleanup EXIT
>   
>   setup_prepare
> 
> [3] https://git.kernel.org/pub/scm/network/iproute2/iproute2-next.git