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

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Message-ID: <20210104120113.GA20112@salvia>
Date:   Mon, 4 Jan 2021 13:01:13 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Yi Chen <yiche@...hat.com>
Cc:     Shuah Khan <shuah@...nel.org>, Florian Westphal <fw@...len.de>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Leo <liuhangbin@...il.com>
Subject: Re: [PATCH net] selftests: netfilter: Pass the family parameter to
 conntrack tool

Please, Cc netfilter-devel@...r.kernel.org, and a more few comments
below.

On Mon, Jan 04, 2021 at 07:07:23PM +0800, Yi Chen wrote:
> From: yiche <yiche@...hat.com>
> 
> 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
> result after this statement is executed.

Missing Fixes: tag ?

> 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..ebdf2b23c8e3 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 [[ "$2" =~ "ipv6" ]];then
> +	local family=ipv6
> +	else
> +	local family=ipv4

This branch coding style diverges from the existing code.

> +	fi