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Message-ID: <87a5zzh65p.fsf@kapio-technology.com>
Date:   Sun, 26 Mar 2023 17:41:06 +0200
From:   Hans Schultz <netdev@...io-technology.com>
To:     Ido Schimmel <idosch@...dia.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vladimir Oltean <olteanv@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Woojung Huh <woojung.huh@...rochip.com>,
        "maintainer:MICROCHIP KSZ SERIES ETHERNET SWITCH DRIVER" 
        <UNGLinuxDriver@...rochip.com>, Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Clément Léger <clement.leger@...tlin.com>,
        Jiri Pirko <jiri@...nulli.us>,
        Ivan Vecera <ivecera@...hat.com>,
        Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Shuah Khan <shuah@...nel.org>,
        Christian Marangi <ansuelsmth@...il.com>,
        open list <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        "open list:RENESAS RZ/N1 A5PSW SWITCH DRIVER" 
        <linux-renesas-soc@...r.kernel.org>,
        "moderated list:ETHERNET BRIDGE" <bridge@...ts.linux-foundation.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>
Subject: Re: [PATCH v2 net-next 6/6] selftests: forwarding: add dynamic FDB
 test

On Mon, Mar 20, 2023 at 10:44, Ido Schimmel <idosch@...dia.com> wrote:
>> +	$MZ $swp1 -c 1 -p 128 -t udp "sp=54321,dp=12345" \
>> +		-a $mac -b `mac_get $h2` -A 192.0.2.1 -B 192.0.2.2 -q
>> +	tc_check_packets "dev $swp2 egress" 1 1
>> +	check_fail $? "Dynamic FDB entry did not age out"
>
> Shouldn't this be check_err()? After the FDB entry was aged you want to
> make sure that packets received via $swp1 with SMAC being $mac are no
> longer forwarded by the bridge.

I was thinking that check_fail() will pass when tc_check_packets() does
not see any packets, thus the test passing here when no packets are forwarded?

>
> Also, I suggest executing 'bridge fdb get' to make sure the entry is no
> longer present in the bridge FDB.
>

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