Netdev List
 help / color / mirror / Atom feed
From: Matthieu Baerts <matttbe@kernel.org>
To: Hangbin Liu <hangbin.liu@linux.dev>,
	MPTCP Linux <mptcp@lists.linux.dev>,
	Mat Martineau <martineau@kernel.org>,
	Geliang Tang <geliang@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>, Shuah Khan <shuah@kernel.org>
Cc: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
	Hangbin Liu <liuhangbin@kylinos.cn>
Subject: Re: [PATCH mptcp-next 1/2] selftests: mptcp: convert iptables to nftables for mptcp_sockopt.sh
Date: Wed, 2 Sep 2026 11:17:48 +0200	[thread overview]
Message-ID: <5b5452db-f03c-4825-b9ae-91ca28bbcf03@kernel.org> (raw)
In-Reply-To: <20260902-mptcp_nft-v1-1-559caa16f410@kylinos.cn>

Hi Hangbin,

On 02/09/2026 08:52, Hangbin Liu wrote:
> From: Hangbin Liu <liuhangbin@kylinos.cn>
> 
> The per-AF iptables mark rules are replaced with an inet table
> (msock_table) with separate per-AF counter drop rules for IPv4
> and IPv6 drop counting.

Thank you for looking at that!

> diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh
> index e850a87429b6..4d0af2bf9484 100755
> --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh
> +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh

(...)

> @@ -105,33 +109,23 @@ cleanup()
>  
>  mptcp_lib_check_mptcp
>  mptcp_lib_check_kallsyms
> -mptcp_lib_check_tools ip "${iptables}" "${ip6tables}"
> +mptcp_lib_check_tools ip nft
>  
>  check_mark()
>  {
>  	local ns=$1
>  	local af=$2
>  
> -	local tables=${iptables}
> +	drop=$(ip netns exec "$ns" nft list table inet msock_table | \
> +		grep "ipv$af.*packets.*drop" | awk '{print $(NF-3)}')

Would it not be cleaner to use 'nft -j' and 'jq' to get all the
(non-zero) drop counters?

Cheers,
Matt
-- 
Sponsored by the NGI0 Core fund.


  reply	other threads:[~2026-09-02  9:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-02  6:52 [PATCH mptcp-next 0/2] selftests: mptcp: convert iptables to nftables Hangbin Liu
2026-09-02  6:52 ` [PATCH mptcp-next 1/2] selftests: mptcp: convert iptables to nftables for mptcp_sockopt.sh Hangbin Liu
2026-09-02  9:17   ` Matthieu Baerts [this message]
2026-09-03  2:15     ` Hangbin Liu
2026-09-02  6:52 ` [PATCH mptcp-next 2/2] selftests: mptcp: convert iptables to nftables for mptcp_join.sh Hangbin Liu
2026-09-02 10:00   ` Matthieu Baerts

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5b5452db-f03c-4825-b9ae-91ca28bbcf03@kernel.org \
    --to=matttbe@kernel.org \
    --cc=bpf@vger.kernel.org \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=geliang@kernel.org \
    --cc=hangbin.liu@linux.dev \
    --cc=horms@kernel.org \
    --cc=kuba@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=liuhangbin@kylinos.cn \
    --cc=martineau@kernel.org \
    --cc=mptcp@lists.linux.dev \
    --cc=netdev@vger.kernel.org \
    --cc=pabeni@redhat.com \
    --cc=shuah@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox