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 B991A184; Thu, 12 Mar 2026 00:41:57 +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=1773276117; cv=none; b=kNOZnYz3vco2+0YkU3hW32LJ4OpUkF6gOJNi5cOS1Mhw1ey67W380+u/bxAfnMwi6fuuM4sbtxtPfFzNVT0ESRwcFLn7Qc8Kzpxb9kDBlpNoRtyYzpnizIyNi39hhDujwORPblrHTefUavDw6D1+mBbxO7eZwT1iKFG3e6eh/FE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773276117; c=relaxed/simple; bh=m0D3pcE3jYTk271mEEpVdN7yiHD5YT9bVKW+WrAU2QI=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Nrrz1RAKrGtU3e1ZRZa4RrDq1x1tyBGdgpeYKu+e+YhVu3qC4BIwxc+AfFiJjldF2B4tlaZuG9QsuHQRVykPd8nunn9tAAtMUhOMN7uvFGpyrycKsY0vITpsdIj19370ivZLL2Mle0sQknMWq3U7RRAjW4V/TGDOeId4TUzcXac= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Bw+LA19b; 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="Bw+LA19b" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96EC2C4CEF7; Thu, 12 Mar 2026 00:41:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773276117; bh=m0D3pcE3jYTk271mEEpVdN7yiHD5YT9bVKW+WrAU2QI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Bw+LA19bmpT0cC42EkfWWon734d//jcwuISX9USljTKKXf6iDURtEgTy3v6NC6Dr8 vEWx8oHqILiodJtOUBuqKBDW5pMh047H9qHoWXPfW4QcANCjkZ4q8pmsHOhZEwp6mz B/m1znH22QYv9Hh9fOtXJYGSnSb5oTNXGJjSom8BHPXfGd16qbqmI9EWdcfDZt15H7 nLfJxEGogJVU8yCSIMj66qaVBP+vgxMgM4YnRH4NRZSHO13asmwL8NyyHfrnbRlClt 88itsj0Vr5oGUulRPyHzgrbPUknHBg6ofNQ6B/QpoxCUEyffOEOUXEsH7KgYVFd64N zvgMi3y9zkr0Q== Date: Wed, 11 Mar 2026 17:41:54 -0700 From: Jakub Kicinski To: Eric Dumazet Cc: Wesley Atwell , Simon Baatz , davem@davemloft.net, pabeni@redhat.com, ncardwell@google.com, dsahern@kernel.org, matttbe@kernel.org, martineau@kernel.org, netdev@vger.kernel.org, mptcp@lists.linux.dev, kuniyu@google.com, horms@kernel.org, geliang@kernel.org, corbet@lwn.net, skhan@linuxfoundation.org, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, 0x7f454c46@gmail.com, linux-doc@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org Subject: Re: [PATCH net 0/7] tcp: preserve advertised rwnd accounting across receive-memory decisions Message-ID: <20260311174154.5fadb207@kernel.org> In-Reply-To: References: <20260311075600.948413-1-atwellwea@gmail.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 Wed, 11 Mar 2026 09:34:32 +0100 Eric Dumazet wrote: > Your series will heavily conflict with Simon's one > > https://patchwork.kernel.org/project/netdevbpf/list/?series=1063486&state=%2A&archive=both > > I suggest you rebase/retest/resend after we merge it. Would it make sense to extend netdevsim and packetdrill to be able to exercise scaling ratio a little more? Having it optionally clone the skb and truesize += X would be trivial. IDK how many bugs this would let us catch tho :(