From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Ahern <dsahern@gmail.com>
Subject: Re: [PATCH net-next v2 1/6] selftests: rtnetlink.sh: add rudimentary
 vrf test
Date: Sat, 23 Sep 2017 11:07:58 -0600
Message-ID: <aec1997f-a2bb-04ae-a089-694344d7faa5@gmail.com>
References: <20170922061008.14723-1-fw@strlen.de>
 <20170922061008.14723-2-fw@strlen.de>
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To: Florian Westphal <fw@strlen.de>, netdev@vger.kernel.org
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On 9/22/17 12:10 AM, Florian Westphal wrote:
> +kci_test_vrf()
> +{
> +	vrfname="test-vrf"
> +	ret=0
> +
> +	ip link show type vrf 2>/dev/null
> +	if [ $? -ne 0 ]; then
> +		echo "SKIP: vrf: iproute2 too old"
> +		return 0
> +	fi
> +
> +	ip link add "$vrfname" type vrf table 10
> +	check_err $?
> +	if [ $ret -ne 0 ];then
> +		echo "FAIL: can't add vrf interface, skipping test"
> +		return 0
> +	fi
> +
> +	ip -br link show type vrf | grep -q "$vrfname"
> +	check_err $?
> +	if [ $ret -ne 0 ];then
> +		echo "FAIL: created vrf device not found"
> +		return 1
> +	fi
> +
> +        ip link set dev "$vrfname" up

BTW, if there is a v3 of this set, that ip command is shifted - uses
spaces instead of tab.