From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-175.mta1.migadu.com (out-175.mta1.migadu.com [95.215.58.175]) (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 11014647 for ; Fri, 17 Jan 2025 00:06:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.175 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737072390; cv=none; b=mRlGOqNRywa8FkGprdU79pBlMA43+j7GvlQraOf6qltcZFWeudowb6YxuGnmHiCZIh+FGHAiOTPKoJF7dV2ms/VqJ9DFDmU6rWNtPClqkKUqIO8u5fRKF08vxX3+lk/tO60UjQYYBvLmtJcGsPWJrMqoC2m/pD2Spzi4mmNH3XI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737072390; c=relaxed/simple; bh=W+/ZMCFfF8UkxRFqpc3P08yqu1zQ/77bHNhaViYZCio=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=CqRE+UHZuMsGyISV0rmzq/rivMj1ZGAEwb1gzudt4ppB7zfu/Gk9iosizNpKQx5GJi0hDDx+y/06d+XEMMPXrpadtyjVgw0xgiOq+fwSZKavUYbj1XTTHkd43EsdkCI+CtxyqDyDkvakxIWve3a98lFM4AyAUOCy+vPPo/+p5OI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=rZ6OoCkm; arc=none smtp.client-ip=95.215.58.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="rZ6OoCkm" Message-ID: <6645ad6e-8874-44c5-8730-854c30673218@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1737072386; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8FEV71PljjkgDpPNVt8LCNrRV5CglqTpIhlGFqVJkgI=; b=rZ6OoCkmqqFXSQJQZqe8jN+35THxZCl41T61VqJOv+fJ1WxZ9/FDTuqQLGwsO94rndYxI1 0DEWcr6/CI5iD5+vwsbYv/Bz0cZPcKh+KL8vnebvk/9btngqIY2dpIdkMkvkBS8dp9AlrY fw+s9KawbA8yfGTBH/97htQ9IYafBns= Date: Thu, 16 Jan 2025 16:06:17 -0800 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH bpf-next/net v2 0/7] bpf: Add mptcp_subflow bpf_iter support To: Matthieu Baerts Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Mykola Lysenko , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, Martin KaFai Lau , mptcp@lists.linux.dev, Mat Martineau , Geliang Tang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan References: <20241219-bpf-next-net-mptcp-bpf_iter-subflows-v2-0-ae244d3cdbbc@kernel.org> <1ff05fca-28ff-491e-ab4e-b562d310359b@kernel.org> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Martin KaFai Lau Content-Language: en-US In-Reply-To: <1ff05fca-28ff-491e-ab4e-b562d310359b@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 1/15/25 1:39 AM, Matthieu Baerts wrote: >> Here is a series from Geliang, adding mptcp_subflow bpf_iter support. >> >> We are working on extending MPTCP with BPF, e.g. to control the path >> manager -- in charge of the creation, deletion, and announcements of >> subflows (paths) -- and the packet scheduler -- in charge of selecting >> which available path the next data will be sent to. These extensions >> need to iterate over the list of subflows attached to an MPTCP >> connection, and do some specific actions via some new kfunc that will be >> added later on. > > (...) > >> Changes in v2: >> - Patches 1-2: new ones. >> - Patch 3: remove two kfunc, more restrictions. (Martin) >> - Patch 4: add BUILD_BUG_ON(), more restrictions. (Martin) >> - Patch 7: adaptations due to modifications in patches 1-4. >> - Link to v1: https://lore.kernel.org/r/20241108-bpf-next-net-mptcp-bpf_iter-subflows-v1-0-cf16953035c1@kernel.org > > The v2 of this series didn't get any reviews, probably because it has > been sent the week before Xmas. Do you prefer if I resend it? No need to resend. will get to it.