From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 56FD32BE62D for ; Tue, 14 Oct 2025 16:06:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760457991; cv=none; b=BodZfJb7wSHDCxLqA4Uoy28ANuWMnj841Q+RBXeOc0DygwLjmnL7o3LQHPbn5ppbRZ8sXY01HlyFEnePJyhkqG2UgP5I7tFFxw8fauEOwRkUSJjr/eilj+Ib6C7GkvKaXqAVO5LJAd9DZInWHbumWPBcXjVkXWL+InSBHkK/vw4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760457991; c=relaxed/simple; bh=zy2TByA6c2LXcksdvCsl5wdzasTnAvjrtawWQf+nbuI=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=AY7Xlh7qgSXt49UPkMVHOINiOXWoWFsiU7UmY9YqPe6ybyj+zE8veW2vFPOENF56QO/ZqA7Q2fT6ZfJLslJ3UWX0sQxEkTHv4aihQrvWoi3S2IDJYoOV5kS5dUl8HyvbRBQ1/fTQlMMp5b6/gGAArZ6ZryWD+/TCdzLB4C/ZuNQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XUfuwCQg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XUfuwCQg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5DCE3C4CEE7; Tue, 14 Oct 2025 16:06:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760457990; bh=zy2TByA6c2LXcksdvCsl5wdzasTnAvjrtawWQf+nbuI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=XUfuwCQgCAfS0HkEZfyEdJaXqEuuG5ncIqKI8Tx9Icspw/VwWMseJLtL0DrFqGiSR JN8P2wWXRrkylTTnH4h7FYHp2v1foGl+O5uUpJ+LV+1Eb6Lo3B6P1bMJIuPFBS6S0c gfWzkUvOaxDBqCO+AovtmYEZ2KJ88Qbk8S/7AA1ztDoYhNTOljp2fjs+OLsZt22SFn WYRMUCcT7PVKriH6dGrH2a5Z8ZhnnnOaq/DvdeQH4Yo7TQBbSkOCup1hF0LEHAVCi5 nqs6l2TUf/H+ab74RI4iUbWT9FGqV8xWKD35JF9VUJfXoxgP4NK0jo1WYIi2CEV1O+ sh4/vZtDIdN6g== Date: Tue, 14 Oct 2025 09:06:29 -0700 From: Jakub Kicinski To: Eric Dumazet Cc: Paolo Abeni , "David S . Miller" , Simon Horman , Neal Cardwell , Willem de Bruijn , Kuniyuki Iwashima , netdev@vger.kernel.org, eric.dumazet@gmail.com Subject: Re: [PATCH net-next] tcp: better handle TCP_TX_DELAY on established flows Message-ID: <20251014090629.7373baa7@kernel.org> In-Reply-To: References: <20251013145926.833198-1-edumazet@google.com> <3b20bfde-1a99-4018-a8d9-bb7323b33285@redhat.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 14 Oct 2025 02:40:39 -0700 Eric Dumazet wrote: > > What about using a nf rule to drop all the 'tun0' egress packet, instead > > of a qdisc? > > > > In any case I think the pending patches should be ok. > > Or add a best effort, so that TCP can have some clue, vast majority of > cases is that the batch is 1 skb :) FWIW I don't see an official submission and CI is quite behind so I'll set the test to ignored for now.