From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A6C0C77B75 for ; Tue, 23 May 2023 10:26:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236566AbjEWK00 (ORCPT ); Tue, 23 May 2023 06:26:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229758AbjEWK0X (ORCPT ); Tue, 23 May 2023 06:26:23 -0400 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C3A5109 for ; Tue, 23 May 2023 03:26:20 -0700 (PDT) Received: by mail-wm1-x335.google.com with SMTP id 5b1f17b1804b1-3f601283b36so51695e9.0 for ; Tue, 23 May 2023 03:26:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1684837579; x=1687429579; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=L1H76tKbgjPFeSY6ce6Fy9Gg5JTky+hF4vrdziz1dy0=; b=datsF4F2PP91XwOTePCnE1IMO83smQN6dzZrt4pSdfmrMJz/RpZ7LwT03X+EaUF0sd 3rMkYOfLFESd5YmuX4zNZb/wrFuvu4CsKcAMiKg34oFacNxTgVMyh2JeHUNnpI9C1mrl R7cv8pq5JJtpcKdNwHjwUX59UBTSf3gnDCbZ8nSH6EYNHpzY08Pm4k2WNiAST5ZCzzrN rrrhoAFvFs9gpr8ARkVZekdzHyjebqv/1I/MUf+CRsZuAKsyY32IajkjH5A9jR3H1RBF Bt1DVgD3COqdnPE5J5XBtkgIyn05Bm7Jtbvz4wpuW+yJknid7JXRCuJ3uvK0mJeM8YDS 1LRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684837579; x=1687429579; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=L1H76tKbgjPFeSY6ce6Fy9Gg5JTky+hF4vrdziz1dy0=; b=JgAT0GspLx0+O6/dCw+Po0EVoCnm1l7Nvo6zj14+ZTk8k9Nc/0Hxh973en3XfsLJDg X6aEMsNFWvPE5682r5wqPaaIWZU7Z22x3Zg4BCRMSwPJM9fc1xNwXvuWK0Wl7Q31++1V ep9Iaabt589R77xF5RiXpZk9W6ftMHo1Jl5Iyfr53aOpGkeRNU7TldBfaN768J9esyXL FAZ1myHW8/ayDVvCwThGa/Kk+217i+LFllWokjUD0N34H4wmjrNtYDyqsa8cVDxpwtMM US+Cx4wrkQnNX3UUGpR5qFcfL1HWdbLt5kI0XLkL9aLF0uXvtfUc5fSLDTq72ts3zjZP zKFg== X-Gm-Message-State: AC+VfDzHde4PDle2taMEDkJPFwRdzUEm4jx6f/qbmkSgZdsUBkz1ZVmp CTv0IjuQz/OmwGSy1fHvEx4CsxLTXH0RPQMlcAeGLA== X-Google-Smtp-Source: ACHHUZ7p/LxtpjcqvWmqtAZKSYkPYql8MUrCOUd2n55sPHU1VYSxR9YvliEd4xR2jzKu+OHpmRmJtmXUX2xRF8ev38Y= X-Received: by 2002:a05:600c:1e0f:b0:3f2:4fd2:e961 with SMTP id ay15-20020a05600c1e0f00b003f24fd2e961mr165715wmb.0.1684837578832; Tue, 23 May 2023 03:26:18 -0700 (PDT) MIME-Version: 1.0 References: <20230517124201.441634-1-imagedong@tencent.com> <20230517124201.441634-4-imagedong@tencent.com> In-Reply-To: From: Eric Dumazet Date: Tue, 23 May 2023 12:26:06 +0200 Message-ID: Subject: Re: [PATCH net-next 3/3] net: tcp: handle window shrink properly To: Neal Cardwell Cc: Menglong Dong , kuba@kernel.org, davem@davemloft.net, pabeni@redhat.com, dsahern@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Menglong Dong , Yuchung Cheng Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 22, 2023 at 5:04=E2=80=AFPM Neal Cardwell wrote: > > On Sun, May 21, 2023 at 10:55=E2=80=AFPM Menglong Dong wrote: > > > BTW, a previous patch has explained the need to > > support window shrink, which should satisfy the RFC > > of TCP protocol: > > > > https://lore.kernel.org/netdev/20230308053353.675086-1-mfreemon@cloudfl= are.com/ > > Let's see what Eric thinks about that patch. I have not received a copy of the patch, so I will not comment on it.