netdev - Re: [PATCH] selftests: hsr: Extend the hsr_redbox.sh test to use fixed MAC addresses

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Message-ID: <Zl2Nq_EXB1wJ9mgU@Laptop-X1>
Date: Mon, 3 Jun 2024 17:32:27 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: Lukasz Majewski <lukma@...x.de>
Cc: Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Oleksij Rempel <o.rempel@...gutronix.de>, Tristram.Ha@...rochip.com,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Ravi Gunasekaran <r-gunasekaran@...com>,
	Simon Horman <horms@...nel.org>,
	Nikita Zhandarovich <n.zhandarovich@...tech.ru>,
	Murali Karicheri <m-karicheri2@...com>,
	Arvid Brodin <Arvid.Brodin@...n.com>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	"Ricardo B. Marliere" <ricardo@...liere.net>,
	Casper Andersson <casper.casan@...il.com>,
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
	Geliang Tang <tanggeliang@...inos.cn>,
	Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH] selftests: hsr: Extend the hsr_redbox.sh test to use
 fixed MAC addresses

On Wed, May 29, 2024 at 04:22:32PM +0200, Lukasz Majewski wrote:
> Fixed MAC addresses help with debugging as last four bytes identify the
> network namespace.
> 
> Moreover, it allows to mimic the real life setup with for example bridge
> having the same MAC address on each port.
> 
> Signed-off-by: Lukasz Majewski <lukma@...x.de>
> ---
>  tools/testing/selftests/net/hsr/hsr_redbox.sh | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/tools/testing/selftests/net/hsr/hsr_redbox.sh b/tools/testing/selftests/net/hsr/hsr_redbox.sh
> index 1f36785347c0..998103502d5d 100755
> --- a/tools/testing/selftests/net/hsr/hsr_redbox.sh
> +++ b/tools/testing/selftests/net/hsr/hsr_redbox.sh
> @@ -96,6 +96,21 @@ setup_hsr_interfaces()
>  	ip -n "${ns4}" link set ns4eth1 up
>  	ip -n "${ns5}" link set ns5eth1 up
>  
> +	ip -net "$ns1" link set address 00:11:22:00:01:01 dev ns1eth1
> +	ip -net "$ns1" link set address 00:11:22:00:01:02 dev ns1eth2
> +
> +	ip -net "$ns2" link set address 00:11:22:00:02:01 dev ns2eth1
> +	ip -net "$ns2" link set address 00:11:22:00:02:02 dev ns2eth2
> +	ip -net "$ns2" link set address 00:11:22:00:02:03 dev ns2eth3
> +
> +	ip -net "$ns3" link set address 00:11:22:00:03:11 dev ns3eth1
> +	ip -net "$ns3" link set address 00:11:22:00:03:11 dev ns3eth2
> +	ip -net "$ns3" link set address 00:11:22:00:03:11 dev ns3eth3
> +	ip -net "$ns3" link set address 00:11:22:00:03:11 dev ns3br1
> +
> +	ip -net "$ns4" link set address 00:11:22:00:04:01 dev ns4eth1
> +	ip -net "$ns5" link set address 00:11:22:00:05:01 dev ns5eth1
> +
>  	ip -net "${ns1}" link add name hsr1 type hsr slave1 ns1eth1 slave2 ns1eth2 supervision 45 version ${HSRv} proto 0
>  	ip -net "${ns2}" link add name hsr2 type hsr slave1 ns2eth1 slave2 ns2eth2 interlink ns2eth3 supervision 45 version ${HSRv} proto 0
>  
> -- 
> 2.20.1
> 

Tested-by: Hangbin Liu <liuhangbin@...il.com>