From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 0F64B301004 for ; Mon, 16 Mar 2026 17:47:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773683269; cv=none; b=GlwNgcB6tse3Gwporg7w83EPtJ+ggqOl2bf1q5IdNqucmTWTcvIhesqQLVs8vm6q1XEVnBCVRTkULHte2TRh7xBBEbSWwKtGHXhGoIhB+s4af5Cy9M7lMACsSPjmhZr3/gqqKs2opR613XdnTXmBV9+3Lm2AO9/njnYKkJCkyf8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773683269; c=relaxed/simple; bh=gRVifA1HxZ+4XsSQaEhHgwmLLQrL+5Qxxw1GlMu4spw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=WbzZeSxqrB80e2JzRZ3kLxlSyIJ+4fP82XLow7SC19/Cfsr2dFAaybY0ScDqCeD3yxiIyVp0uh38EHNbupU7V+QZ29v6Ntg66qn18+ZiblJ0sr+NprVSB6l/BK/P6GoyT4/a2UM3Fph5Dsf1xf+9zzZpB3TfZQ3svW2F5q9DpOk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=duj3MXX+; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b=UeLjPWdE; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="duj3MXX+"; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b="UeLjPWdE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1773683267; 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=gRVifA1HxZ+4XsSQaEhHgwmLLQrL+5Qxxw1GlMu4spw=; b=duj3MXX+njab/VmBcvZw8iSHnEVw8y88Qw7L3ta4xobC5cVUB6q191Irw6IgQEuTHApnha nuFaS2q6BLjsPjdi2ZLDLAnTRhm6sJj+AnwxMp9f4c0NjjRdCl/3SblC2HzB+LC0qFVPXt H8r3v61AXtLQpEsrSuELzOJ5RMokaZY= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-683-Bt4GXdQeOlKL5Zllh-iG0g-1; Mon, 16 Mar 2026 13:47:45 -0400 X-MC-Unique: Bt4GXdQeOlKL5Zllh-iG0g-1 X-Mimecast-MFC-AGG-ID: Bt4GXdQeOlKL5Zllh-iG0g_1773683265 Received: by mail-wr1-f69.google.com with SMTP id ffacd0b85a97d-439b8bc43aeso4361275f8f.1 for ; Mon, 16 Mar 2026 10:47:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1773683264; x=1774288064; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=gRVifA1HxZ+4XsSQaEhHgwmLLQrL+5Qxxw1GlMu4spw=; b=UeLjPWdEbLMPJO28dH2NeRa+MttSHYudFRa+KhmsIdInbNh44SWTBvolw470a8An1T TK/Rpnas9g1FszbJ/HY+Y73fAMjjHg8VzPkbH3GPzz5CMcuHNqafM04j70ESxAAPWMnu A+uKnEGx1SXrGDqAFMN4tIH5rO3qxuCE/xdOiN/DQ/cPXNWzQPBnovtJJZg9LAadB8a3 cBQt4Fh5Bj+UzrXzfwOEvRhmd425vSJc1OPJTj2Ba+Ri+A/es3ZQfwqUZgJIy5qUwApt 176a8PfkWaR65l7m1z8uKDY5efTfjWc8rxGqqDnwtx/4FNbz/wDZHw6Mur7cVp/VtgQM /ShQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773683264; x=1774288064; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=gRVifA1HxZ+4XsSQaEhHgwmLLQrL+5Qxxw1GlMu4spw=; b=kaBqpiDFus7KeSOn+b/dESx1CJr3DdfPUtgLa/ia5mHxsbBUBbp1qvJMr656uueA8n UVS4rv8+SOeEFihHXSZgGLAAYJNxgtirGpQshD4wjEOuq0eBdNJXSZq6PE2gaYRZ7b9R 9MkojFu4xuKvs+cd+qEKUhvHZuFM7TonY3bnI5bYAczSlS1xZ+dyZLfTITAyFf/qFCF0 am/8oDn2h16yaUlZttaDObZl20CuyVKomtMYli4PB9uglnDJqIThJvT9akYvseO3DuWm d3sto4DluQcBa9kNEjJwpcDpICdJeQ0ebGhQs/idBY/EZLKVYcJbToyJtWL/MOLfRrRy 4cnA== X-Forwarded-Encrypted: i=1; AJvYcCVj82wGC1lNB8D3D3lOcIqwOLkKUYSAgBiS4CwI6pj/IfeFKXsWIwjl7kvaZ+eC8iLYfyfrk7n3jLfphGY=@vger.kernel.org X-Gm-Message-State: AOJu0YzQ1WtaGNJz5/b3trHBXTg1W9rRrFg/JdNvRlT9tmVqT8lp7qbY W8N7Hdk8EOsDnlkU7S2G6zb9Q6VNmn0RH5fsdUxA2nJO/XT/+M2QI7bWxSEA1fkOtKAhKBazht6 P+HYqunrjaybkHev8lBKMBYHiAMGegukY+JgYEki976TaJbpjTEM0DL/Xzf62tT2Dzw== X-Gm-Gg: ATEYQzx+ntpdZCgXRiEGJqIKeNR6XSnMbKLzPUW0qUQPQ5pSVZiB9m1nh3L0D8MXGZI 5lttjEZb0FixxkRKN9/gPynBqaUOIL+Q3AVYD1x/MkN0d0J7IgMX+yYv+M0745Ir6sSNN63z+NS OQ7Bioa3mbdF5uqFtr3qpvNDqOyIqDWzBfIUD+IYQgeGawdUnul409j4SckRRGeAvykoRMmAOc6 AQkoncDvl+CLBdxl8PNDkjsS/Nhbqth1WkJ9CVlskk9Dqstl2YOw8obVy6X46L2PKsrbtmh/bl6 ez0uXMyytxBHQH6mOOln/QI1U38aNUG9/R72QX6Vrsnn+FNsWQeMEGW3wMu8egsObD5pWO5neBL 4eS0lCUCRqcTuk4BycjyunO/oTK+syKEtxTl5YuR/2aFsJ/2S0b/SZKw= X-Received: by 2002:a05:6000:616:b0:43b:4352:1bff with SMTP id ffacd0b85a97d-43b43521da3mr8977671f8f.43.1773683264556; Mon, 16 Mar 2026 10:47:44 -0700 (PDT) X-Received: by 2002:a05:6000:616:b0:43b:4352:1bff with SMTP id ffacd0b85a97d-43b43521da3mr8977613f8f.43.1773683264127; Mon, 16 Mar 2026 10:47:44 -0700 (PDT) Received: from [192.168.88.32] ([216.128.11.95]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43b41ff92a6sm17659188f8f.11.2026.03.16.10.47.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Mar 2026 10:47:43 -0700 (PDT) Message-ID: Date: Mon, 16 Mar 2026 18:47:41 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v2 00/14] tcp: preserve receive-window accounting across ratio drift To: Wesley Atwell Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, edumazet@google.com, ncardwell@google.com, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-trace-kernel@vger.kernel.org, mptcp@lists.linux.dev, dsahern@kernel.org, horms@kernel.org, kuniyu@google.com, andrew+netdev@lunn.ch, willemdebruijn.kernel@gmail.com, jasowang@redhat.com, skhan@linuxfoundation.org, corbet@lwn.net, matttbe@kernel.org, martineau@kernel.org, geliang@kernel.org, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, 0x7f454c46@gmail.com References: <20260314201348.1786972-1-atwellwea@gmail.com> Content-Language: en-US From: Paolo Abeni In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, On 3/16/26 6:29 PM, Wesley Atwell wrote: > The strongest real anchor here is the already documented regression > around sender-visible rwnd diverging from hard receive-memory backing, > rather than a general receive-accounting cleanup. I likely missed some of the prior discussion. Could you please share a pointer/link to the mentioned regression report? When posting on netdev please: - use plaintext only messages - avoid top-posting Thanks, Paolo