linux-kernel - Re: [PATCHv2 net] selftests: netfilter: Pass the family parameter to conntrack tool

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Date:   Tue, 5 Jan 2021 20:02:45 +0800
From:   Hangbin Liu <liuhangbin@...il.com>
To:     Yi Chen <yiche@...hat.com>
Cc:     Shuah Khan <shuah@...nel.org>, Florian Westphal <fw@...len.de>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCHv2 net] selftests: netfilter: Pass the family parameter to
 conntrack tool

On Tue, Jan 05, 2021 at 05:43:16PM +0800, Yi Chen wrote:
> From: yiche <yiche@...hat.com>
> 
> Fixes: 619ae8e0697a6 ("selftests: netfilter: add test case for conntrack helper assignment")
> 
> Fix nft_conntrack_helper.sh fake fail:
> conntrack tool need "-f ipv6" parameter to show out ipv6 traffic items.
> sleep 1 second after background nc send packet, to make sure check
> is after this statement executed.

The Fixes tag should be above your signoff tag

Fixes: 619ae8e0697a6 ("selftests: netfilter: add test case for conntrack helper assignment")
> Signed-off-by: yiche <yiche@...hat.com>
> ---
>  .../selftests/netfilter/nft_conntrack_helper.sh      | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/testing/selftests/netfilter/nft_conntrack_helper.sh b/tools/testing/selftests/netfilter/nft_conntrack_helper.sh
> index edf0a48da6bf..bf6b9626c7dd 100755
> --- a/tools/testing/selftests/netfilter/nft_conntrack_helper.sh
> +++ b/tools/testing/selftests/netfilter/nft_conntrack_helper.sh
> @@ -94,7 +94,13 @@ check_for_helper()
>  	local message=$2
>  	local port=$3
>  
> -	ip netns exec ${netns} conntrack -L -p tcp --dport $port 2> /dev/null |grep -q 'helper=ftp'
> +	if echo $message |grep -q 'ipv6';then
> +		local family="ipv6"
> +	else
> +		local family="ipv4"
> +	fi
> +
> +	ip netns exec ${netns} conntrack -L -f $family -p tcp --dport $port 2> /dev/null |grep -q 'helper=ftp'
>  	if [ $? -ne 0 ] ; then
>  		echo "FAIL: ${netns} did not show attached helper $message" 1>&2
>  		ret=1
> @@ -111,8 +117,8 @@ test_helper()
>  
>  	sleep 3 | ip netns exec ${ns2} nc -w 2 -l -p $port > /dev/null &
>  
> -	sleep 1
>  	sleep 1 | ip netns exec ${ns1} nc -w 2 10.0.1.2 $port > /dev/null &
> +	sleep 1
>  
>  	check_for_helper "$ns1" "ip $msg" $port
>  	check_for_helper "$ns2" "ip $msg" $port
> @@ -128,8 +134,8 @@ test_helper()
>  
>  	sleep 3 | ip netns exec ${ns2} nc -w 2 -6 -l -p $port > /dev/null &
>  
> -	sleep 1
>  	sleep 1 | ip netns exec ${ns1} nc -w 2 -6 dead:1::2 $port > /dev/null &
> +	sleep 1
>  
>  	check_for_helper "$ns1" "ipv6 $msg" $port
>  	check_for_helper "$ns2" "ipv6 $msg" $port
> -- 
> 2.26.2
>